gold/ChangeLog

   1 2011-12-17  Cary Coutant  <ccoutant@google.com>
   2
   3         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
   4         * resolve.cc (Symbol_table::resolve): Likewise.
   5         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
   6         arrays.
   7         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
   8
   9 2011-12-16  Ian Lance Taylor  <iant@google.com>
  10
  11         * output.h (Output_data_reloc_generic::add): Only call
  12         add_dynamic_reloc if this is a dynamic reloc section.
  13
  14 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
  15
  16         PR gold/13505
  17         * target-reloc.h (apply_relocation): Replace <64, false> with
  18         <size, big_endian>.
  19
  20 2011-11-25  Nick Clifton  <nickc@redhat.com>
  21
  22         * po/it.po: New Italian translation.
  23
  24 2011-11-17  Sterling Augustine  <saugustine@google.com>
  25
  26         * script.cc (script_include_directive): Implement.
  27         (read_script_file): New local variables name and search_path. Update
  28         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
  29         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
  30         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
  31
  32 2011-11-11  Sterling Augustine  <saugustine@google.com>
  33
  34         * yyscript.y (section_cmd): Add support for INCLUDE directive.
  35         (file_or_sections_cmd): Likewise.
  36
  37 2011-11-11  Doug Kwan  <dougkwan@google.com>
  38
  39         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
  40         if --just-symbols is given.
  41
  42 2011-11-10  Doug Kwan  <dougkwan@google.com>
  43
  44         PR gold/13362
  45         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
  46         when processing data relocs.
  47         * reloc.h (Relocate_functions::rel_unaligned): New method.
  48         (Relocate_functions::pcrel_unaligned): Ditto.
  49         (Relocate_functions::rel32_unaligned): Ditto.
  50         (Relocate_functions::pcrel32_unaligned): Ditto.
  51
  52 2011-11-09  Doug Kwan  <dougkwan@google.com>
  53
  54         PR gold/13362
  55         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
  56         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
  57         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
  58         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
  59         (Relocate_functions::rel_unaligned): New.
  60         (Relocate_functions::rel32_unaligned): New.
  61         * target-reloc.h (relocate_for_relocatable): Add code to handle
  62         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
  63         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
  64         arm_unaligned_reloc_r): New targets.
  65         * testsuite/Makefile.in: Regenerate.
  66         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
  67         linking.
  68
  69 2011-11-02  Ian Lance Taylor  <iant@google.com>
  70
  71         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
  72         NATIVE_LINKER.
  73         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
  74         * options.cc (General_options::finalize): Use library search path
  75         from configure script if specified.  If not native and no sysroot,
  76         only search TOOLLIBDIR.
  77         * options.h (Search_directory::Search_directory): Change name to
  78         const std::string&.
  79         (General_options::add_to_library_path_with_sysroot): Change arg to
  80         const std::string&.
  81         * configure, Makefile.in, config.in: Rebuild.
  82
  83 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  84
  85         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
  86         we are working around the ARM1176 Erratum.
  87         * options.h (General_options::fix_arm1176): Add option.
  88         * testsuite/Makefile.am: Add testcases, and keep current ones
  89         working.
  90         * testsuite/Makefile.in: Regenerate.
  91         * testsuite/arm_fix_1176.s: New file.
  92         * testsuite/arm_fix_1176.sh: Likewise.
  93
  94 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  95
  96         * arm.cc (Target_arm::Target_arm): Remove initialisation of
  97         may_use_blx_.
  98         (Target_arm::may_use_blx): Remove method.
  99         (Target_arm::set_may_use_blx): Likewise.
 100         (Target_arm::may_use_v4t_interworking): New method.
 101         (Target_arm::may_use_v5t_interworking): Likewise.
 102         (Target_arm::may_use_blx_): Remove member variable.
 103         (Arm_relocate_functions::arm_branch_common): Check for v5T
 104         interworking.
 105         (Arm_relocate_functions::thumb_branch_common): Likewise.
 106         (Reloc_stub::stub_type_for_reloc): Likewise.
 107         (Target_arm::do_finalize_sections): Correct interworking checks.
 108         * testsuite/Makefile.am: Add new tests.
 109         * testsuite/Makefile.in: Regenerate.
 110         * testsuite/arm_farcall_arm_arm.s: New test.
 111         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 112         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 113         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 114         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 115         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 116         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 117         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 118
 119 2011-10-31  Cary Coutant  <ccoutant@google.com>
 120
 121         PR gold/13023
 122         * expression.cc (Expression::eval_with_dot): Add
 123         is_section_dot_assignment parameter.
 124         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 125         absolute and assigning to dot within a section.
 126         * script-sections.cc
 127         (Output_section_element_assignment::set_section_addresses): Pass
 128         dot_section to set_if_absolute.
 129         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 130         as is_section_dot_assignment flag to eval_with_dot.
 131         (Output_section_element_dot_assignment::set_section_addresses):
 132         Likewise.
 133         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 134         parameter.  Also set value if relative to dot_section; set the
 135         symbol's output_section.
 136         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 137         parameter.  Adjust all callers.
 138         (Expression::eval_maybe_dot): Likewise.
 139         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 140         Adjust all callers.
 141         * testsuite/script_test_2.t: Test assignment of an absolute value
 142         to dot within an output section element.
 143
 144 2011-10-31  Cary Coutant  <ccoutant@google.com>
 145
 146         * options.h (class General_options): Add --[no-]gnu-unique options.
 147         * symtab.cc (Symbol_table::sized_write_globals): Convert
 148         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 149
 150 2011-10-31  Cary Coutant  <ccoutant@google.com>
 151
 152         PR gold/13359
 153         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 154         unnecessary assertion.
 155         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 156
 157 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 158
 159         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 160         gc_mark_symbol.
 161         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 162         gc_mark_symbol.
 163         Change to just keep the section associated with symbol.
 164         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 165         they are externally visible and --export-dynamic is turned on.
 166         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 167
 168 2011-10-19  Ian Lance Taylor  <iant@google.com>
 169
 170         PR gold/13163
 171         * script-sections.cc
 172         (Output_section_element_dot_assignment::needs_output_section): New
 173         function.
 174
 175 2011-10-19  Ian Lance Taylor  <iant@google.com>
 176
 177         PR gold/13204
 178         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 179         --section-start option was seen.
 180         * options.h (General_options::any_section_start): New function.
 181
 182 2011-10-18  David S. Miller  <davem@davemloft.net>
 183
 184         PR binutils/13301
 185         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 186         member to track relocation locations that have moved during TLS
 187         reloc optimizations.
 188         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 189         (Target_sparc::Relocate::relocate): Adjust view down by 4
 190         bytes if it matches reloc_adjust_addr_.
 191         (Target_sparc::Relocate::relocate_tls): Always move the
 192         __tls_get_addr call delay slot instruction forward 4 bytes when
 193         performing relaxation.
 194
 195 2011-10-18  Cary Coutant  <ccoutant@google.com>
 196
 197         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 198         (Output_file::map_no_anonymous): Check for non-zero
 199         return code from posix_fallocate.
 200
 201 2011-10-17  Cary Coutant  <ccoutant@google.com>
 202
 203         PR gold/13245
 204         * plugin.cc (is_visible_from_outside): Check for symbols
 205         referenced from dynamic objects.
 206         * resolve.cc (Symbol_table::resolve): Don't count references
 207         from dynamic objects as references from real ELF files.
 208         * testsuite/plugin_test_2.sh: Adjust expected result.
 209
 210 2011-10-17  Cary Coutant  <ccoutant@google.com>
 211
 212         * gold.cc: Include timer.h.
 213         (queue_middle_tasks): Stamp time.
 214         (queue_final_tasks): Likewise.
 215         * main.cc (main): Store timer in parameters.  Print timers
 216         for each pass.
 217         * parameters.cc (Parameters::Parameters): Initialize timer_.
 218         (Parameters::set_timer): New function.
 219         (set_parameters_timer): New function.
 220         * parameters.h (Parameters::set_timer): New function.
 221         (Parameters::timer): New function.
 222         (Parameters::timer_): New data member.
 223         (set_parameters_timer): New function.
 224         * timer.cc (Timer::stamp): New function.
 225         (Timer::get_pass_time): New function.
 226         * timer.h (Timer::stamp): New function.
 227         (Timer::get_pass_time): New function.
 228         (Timer::pass_times_): New data member.
 229
 230 2011-10-17  Cary Coutant  <ccoutant@google.com>
 231
 232         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 233         task for members of lib groups.
 234
 235 2011-10-17  Cary Coutant  <ccoutant@google.com>
 236
 237         PR gold/13288
 238         * fileread.cc (File_read::find_view): Add assert.
 239         (File_read::make_view): Move bounds check (replace with assert)...
 240         (File_read::find_or_make_view): ... to here.
 241
 242 2011-10-12  Cary Coutant  <ccoutant@google.com>
 243
 244         * output.cc (Output_file::open_base_file): Handle case where
 245         ::read returns less than requested size.
 246
 247 2011-10-10  Cary Coutant  <ccoutant@google.com>
 248
 249         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 250         Initialize defined_count_.
 251         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 252         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 253         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 254         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 255         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 256         * incremental.h (Sized_relobj_incr::defined_count_): New data
 257         member.
 258         (Sized_incr_dynobj::defined_count_): New data member.
 259         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 260         Return zeroes instead of internal error.
 261
 262 2011-10-10  Cary Coutant  <ccoutant@google.com>
 263
 264         PR gold/13249
 265         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 266         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 267         * output.h (class Output_reloc): Add use_plt_offset flag.
 268         (Output_reloc::type_): Adjust size of bit field.
 269         (Output_reloc::use_plt_offset_): New bit field.
 270         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 271         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 272         flag.  Adjust all callers.
 273         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 274         creating RELATIVE relocations.
 275
 276 2011-10-10  Nick Clifton  <nickc@redhat.com>
 277
 278         * po/es.po: Updated Spanish translation.
 279         * po/fi.po: Updated Finnish translation.
 280
 281 2011-10-03   Diego Novillo  <dnovillo@google.com>
 282
 283         * options.cc (parse_uint): Fix dereference of RETVAL.
 284
 285 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 286
 287         * layout.h (section_order_map_): New member.
 288         (get_section_order_map): New member function.
 289         * output.cc (Output_section::add_input_section): Check for patterns
 290         only when --section-ordering-file is specified.
 291         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 292         output_sections have been formed.
 293         * layout.cc (Layout_Layout): Initialize section_order_map_.
 294         * plugin.cc (update_section_order): Store order in order_map. Do not
 295         update the order.
 296         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 297         * testsuite/Makefile.in: Regenerate.
 298         * testsuite/plugin_section_order.c: New file.
 299         * testsuite/plugin_final_layout.cc: New file.
 300         * testsuite/plugin_final_layout.sh: New file.
 301
 302 2011-09-29  Cary Coutant  <ccoutant@google.com>
 303
 304         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 305         Check for NULL.
 306         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 307         symbols during incremental update.
 308         (Symbol_table::add_from_dynobj): Likewise.
 309
 310 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 311             Ian Lance Taylor  <iant@google.com>
 312
 313         * symtab.cc (Symbol_table::define_special_symbol): Always
 314         canonicalize version string.
 315
 316 2011-09-26  Cary Coutant  <ccoutant@google.com>
 317
 318         * gold.cc (queue_initial_tasks): Move option checks ...
 319         * options.cc (General_options::finalize): ... to here. Disable
 320         some options; make others fatal.
 321
 322 2011-09-26  Cary Coutant  <ccoutant@google.com>
 323
 324         gcc PR lto/47247
 325         * plugin.cc (get_symbols_v2): New function.
 326         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 327         (is_referenced_from_outside): New function.
 328         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 329         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 330         (get_symbols): Pass version parameter.
 331         (get_symbols_v2): New function.
 332         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 333         parameter.
 334         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 335         (onload): Add LDPT_GET_SYMBOLS_V2.
 336         (all_symbols_read_hook): Use get_symbols_v2; check for
 337         LDPR_PREVAILING_DEF_IRONLY_EXP.
 338         * testsuite/plugin_test_3.sh: Update expected results.
 339
 340 2011-09-23  Simon Baldwin  <simonb@google.com>
 341
 342         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 343         configuration options.
 344         * configure: Regenerate.
 345         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 346         * Makefile.in: Regenerate.
 347         * testsuite/Makefile.in: Regenerate.
 348
 349 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 350
 351         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 352
 353 2011-09-19  Cary Coutant  <ccoutant@google.com>
 354
 355         * incremental.cc (can_incremental_update): Fix typo in comment.
 356         * incremental.h (can_incremental_update): Likewise.
 357
 358 2011-09-18  Cary Coutant  <ccoutant@google.com>
 359
 360         * incremental.cc (can_incremental_update): New function.
 361         * incremental.h (can_incremental_update): New function.
 362         * layout.cc (Layout::init_fixed_output_section): Call it.
 363         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 364         * object.cc (Sized_relobj_file::do_layout): Call
 365         can_incremental_update.
 366
 367 2011-09-13  Cary Coutant  <ccoutant@google.com>
 368
 369         * configure.ac: Check for glibc support for gnu_indirect_function
 370         support with static linking, setting automake conditional
 371         IFUNC_STATIC.
 372         * Makefile.in: Regenerate.
 373         * configure: Regenerate.
 374
 375         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 376         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 377         for IFUNC_STATIC.
 378         * testsuite/Makefile.in: Regenerate.
 379
 380 2011-09-13  Cary Coutant  <ccoutant@google.com>
 381
 382         * incremental.cc (Sized_relobj_incr::do_layout): Call
 383         report_comdat_group for kept comdat sections.
 384         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 385         * testsuite/Makefile.in: Regenerate.
 386         * testsuite/incr_comdat_test_1.cc: New source file.
 387         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 388         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 389         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 390
 391 2011-09-13  Ian Lance Taylor  <iant@google.com>
 392
 393         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 394         variable external_symbols_offset.
 395
 396 2011-09-12  Ian Lance Taylor  <iant@google.com>
 397
 398         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 399         triggered if object has no symbols.
 400
 401 2011-09-09  David S. Miller  <davem@davemloft.net>
 402
 403         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 404         (Output_fill_debug_line::do_write): Likewise.
 405
 406 2011-08-29  Cary Coutant  <ccoutant@google.com>
 407
 408         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 409         casts to match formatting specs.
 410         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 411
 412 2011-08-26  Cary Coutant  <ccoutant@google.com>
 413
 414         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 415         remaining hole size when allocating.
 416         (Layout::make_output_section): Set fill methods for debug sections.
 417         * layout.h (Free_list::Free_list_node): Move from private to
 418         public.
 419         (Free_list::set_min_hole_size): New function.
 420         (Free_list::begin, Free_list::end): New functions.
 421         (Free_list::min_hole_): New data member.
 422         * output.cc: Include dwarf.h.
 423         (Output_fill_debug_info::do_minimum_hole_size): New function.
 424         (Output_fill_debug_info::do_write): New function.
 425         (Output_fill_debug_line::do_minimum_hole_size): New function.
 426         (Output_fill_debug_line::do_write): New function.
 427         (Output_section::Output_section): Initialize new data member.
 428         (Output_section::set_final_data_size): Ensure patch space is larger
 429         than minimum hole size.
 430         (Output_section::do_write): Fill holes in debug sections.
 431         * output.h (Output_fill): New class.
 432         (Output_fill_debug_info): New class.
 433         (Output_fill_debug_line): New class.
 434         (Output_section::set_free_space_fill): New function.
 435         (Output_section::free_space_fill_): New data member.
 436         * testsuite/Makefile.am (incremental_test_3): Add
 437         --incremental-patch option.
 438         (incremental_test_4): Likewise.
 439         (incremental_test_5): Likewise.
 440         (incremental_test_6): Likewise.
 441         (incremental_copy_test): Likewise.
 442         (incremental_common_test_1): Likewise.
 443         * testsuite/Makefile.in: Regenerate.
 444
 445 2011-08-26  Nick Clifton  <nickc@redhat.com>
 446
 447         * po/es.po: Updated Spanish translation.
 448
 449 2011-08-01  Cary Coutant  <ccoutant@google.com>
 450
 451         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 452         * gold/testsuite/Makefile.in: Regenerate.
 453         * gold/testsuite/justsyms_exec.c: New source file.
 454         * gold/testsuite/justsyms_lib.c: New source file.
 455
 456 2011-08-01  Cary Coutant  <ccoutant@google.com>
 457
 458         * layout.cc (Layout::set_segment_offsets): Don't realign text
 459         segment if -Ttext was specified.
 460         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 461         file type.
 462         * object.h (Sized_relobj_file::e_type): New function.
 463         (Sized_relobj_file::e_type_): New data member.
 464         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 465         base address for ET_EXEC files.
 466         * target.cc (Target::do_make_elf_object_implementation): Allow
 467         ET_EXEC files with --just-symbols option.
 468
 469 2011-07-28  Cary Coutant  <ccoutant@google.com>
 470
 471         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 472         Add thread_number parameter.
 473         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 474         * workqueue-threads.cc
 475         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 476         current thread if its thread number is greater than desired thread
 477         count.
 478         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 479         Add thread_number parameter.
 480         (Workqueue::should_cancel_thread): Likewise.
 481         (Workqueue::find_runnable_or_wait): Pass thread_number to
 482         should_cancel_thread.
 483         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 484         parameter.
 485
 486 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 487
 488         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 489         only after checking if it cannot be forced local.
 490         * symtab.h (is_externally_visible): Check if the symbol is not forced
 491         local.
 492
 493 2011-07-15  Ian Lance Taylor  <iant@google.com>
 494
 495         * options.h (class General_options): Add --print-output-format.
 496         Move -EL next to -EB, for  better --help output.
 497         * target-select.cc: Include <cstdio>, "options.h", and
 498         "parameters.h".
 499         (Target_selector::do_target_bfd_name): New function.
 500         (print_output_format): New function.
 501         * target-select.h (class Target_selector): Update declarations.
 502         (Target_selector::target_bfd_name): New function.
 503         (print_output_format): Declare.
 504         * main.cc: Include "target-select.h".
 505         (main): Handle --print-output-format.
 506         * gold.cc: Include "target-select.h".
 507         (queue_initial_tasks): Handle --print-output-format when there are
 508         no input files.
 509         * parameters.cc (parameters_force_valid_target): Give a better
 510         error message if -EB/-EL does not match target.
 511         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 512         function.
 513
 514 2011-07-15  Ian Lance Taylor  <iant@google.com>
 515
 516         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 517         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 518         (Output_data_plt_i386::do_write): Write address of .dynamic
 519         section to first entry in .got.plt section.
 520         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 521         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 522         Initialize layout_.
 523         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 524         section to first entry in .got.plt section.
 525         * layout.h (Layout::dynamic_section): New function.
 526
 527 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 528
 529         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 530         to claim_file call.
 531         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 532         input_section_position_, and input_section_glob_.
 533         (read_layout_from_file): Call function section_ordering_specified.
 534         * layout.h (is_section_ordering_specified): New function.
 535         (section_ordering_specified): New function.
 536         (section_ordering_specified_): New boolean member.
 537         * main.cc(main): Call load_plugins after layout object is defined.
 538         * output.cc (Output_section::add_input_section): Use
 539         function section_ordering_specified to check if section ordering is
 540         needed.
 541         * output.cc (Output_section::add_relaxed_input_section): Use
 542         function section_ordering_specified to check if section ordering is
 543         needed.
 544         (Output_section::update_section_layout): New function.
 545         (Output_section::sort_attached_input_sections): Check if input section
 546         must be reordered.
 547         * output.h (Output_section::update_section_layout): New function.
 548         * plugin.cc (get_section_count): New function.
 549         (get_section_type): New function.
 550         (get_section_name): New function.
 551         (get_section_contents): New function.
 552         (update_section_order): New function.
 553         (allow_section_ordering): New function.
 554         (Plugin::load): Add the new interfaces to the transfer vector.
 555         (Plugin_manager::load_plugins): New parameter.
 556         (Plugin_manager::all_symbols_read): New parameter.
 557         (Plugin_manager::claim_file): New parameter. Save the elf object for
 558         unclaimed objects.
 559         (Plugin_manager::get_elf_object): New function.
 560         (Plugin_manager::get_view): Change to directly use the bool to check
 561         if get_view is called from claim_file_hook.
 562         * plugin.h (input_objects): New function
 563         (Plugin__manager::load_plugins): New parameter.
 564         (Plugin_manager::claim_file): New parameter.
 565         (Plugin_manager::get_elf_object): New function.
 566         (Plugin_manager::in_claim_file_handler): New function.
 567         (Plugin_manager::in_claim_file_handler_): New member.
 568         (layout): New function.
 569         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 570         handler with an extra parameter. Make the elf object before calling
 571         claim_file handler.
 572         * testsuite/plugin_test.c (get_section_count): New function pointer.
 573         (get_section_type): New function pointer.
 574         (get_section_name): New function pointer.
 575         (get_section_contents): New function pointer.
 576         (update_section_order): New function pointer.
 577         (allow_section_ordering): New function pointer.
 578         (onload): Check if the new interfaces exist.
 579
 580 2011-07-13  Ian Lance Taylor  <iant@google.com>
 581
 582         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 583         relro section.
 584         * x86_64.cc (Target_x86_64::got_section): Likewise.
 585         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 586         (relro_now_test_SOURCES): New variable.
 587         (relro_now_test_DEPENDENCIES): New variable.
 588         (relro_now_test_LDFLAGS): New variable.
 589         (relro_now_test_LDADD): New variable.
 590         (relro_now_test.so): New target.
 591         * testsuite/Makefile.in: Rebuild.
 592
 593 2011-07-12  Ian Lance Taylor  <iant@google.com>
 594
 595         PR gold/12980
 596         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 597         GLOB_DAT relocation rather than a RELATIVE relocation for a
 598         protected symbol when creating a shared library.
 599         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 600         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 601         * testsuite/protected_main_1.cc (main): Test that protected
 602         function has same address.
 603
 604 2011-07-11  Ian Lance Taylor  <iant@google.com>
 605
 606         PR gold/12979
 607         * options.h (class General_options): Add -Bgroup.
 608         * options.cc (General_options::finalize): If -Bgroup is set,
 609         default to --unresolved-symbols=report-all.
 610         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 611         * target-reloc.h (issue_undefined_symbol_error): Handle
 612         --unresolved-symbols=report-all.
 613
 614 2011-07-08  Ian Lance Taylor  <iant@google.com>
 615
 616         PR gold/11985
 617         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 618         if linker script discards key sections.
 619         (Layout::create_dynamic_symtab): Likewise.
 620         (Layout::assign_local_dynsym_offsets): Likewise.
 621         (Layout::sized_create_version_sections): Likewise.
 622         (Layout::create_interp): Likewise.
 623         (Layout::finish_dynamic_section): Likewise.
 624         (Layout::set_dynamic_symbol_size): Likewise.
 625
 626 2011-07-08  Ian Lance Taylor  <iant@google.com>
 627
 628         PR gold/12386
 629         * options.h (class General_options): Add --unresolved-symbols.
 630         * target-reloc.h (issue_undefined_symbol_error): Check
 631         --unresolved-symbols.  Add comments.
 632
 633 2011-07-08  Ian Lance Taylor  <iant@google.com>
 634
 635         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 636         expression more complex.
 637
 638 2011-07-08  Ian Lance Taylor  <iant@google.com>
 639
 640         PR gold/11317
 641         * target-reloc.h (issue_undefined_symbol_error): New inline
 642         function, broken out of relocate_section.
 643         (relocate_section): Call issue_undefined_symbol_error.
 644         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 645         there is no TLS segment if we are about to issue an undefined
 646         symbol error.
 647         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 648
 649 2011-07-08  Ian Lance Taylor  <iant@google.com>
 650
 651         PR gold/12279
 652         * resolve.cc (Symbol_table::should_override): Add fromtype
 653         parameter.  Change all callers.  Give error when linking together
 654         TLS and non-TLS symbol.
 655         (Symbol_table::should_override_with_special): Add fromtype
 656         parameter.  Change all callers.
 657         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 658         there is no TLS segment if we have reported some errors.
 659         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 660
 661 2011-07-08  Ian Lance Taylor  <iant@google.com>
 662
 663         PR gold/12372
 664         * target.h (Target::plt_address_for_global): New function.
 665         (Target::plt_address_for_local): New function.
 666         (Target::plt_section_for_global): Remove.
 667         (Target::plt_section_for_local): Remove.
 668         (Target::do_plt_address_for_global): New virtual function.
 669         (Target::do_plt_address_for_local): New virtual function.
 670         (Target::do_plt_section_for_global): Remove.
 671         (Target::do_plt_section_for_local): Remove.
 672         (Target::register_global_plt_entry): Add Symbol_table and Layout
 673         parameters.
 674         * output.cc (Output_data_got::Got_entry::write): Use
 675         plt_address_for_global and plt_address_for_local.
 676         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 677         address of output section.
 678         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 679         got_irelative_, and irelative_count_ fields.  Update
 680         declarations.
 681         (Output_data_plt_i386::has_irelative_section): New function.
 682         (Output_data_plt_i386::entry_count): Add irelative_count_.
 683         (Output_data_plt_i386::set_final_data_size): Likewise.
 684         (class Target_i386): Add got_irelative_ and rel_irelative_
 685         fields.  Update declarations.
 686         (Target_i386::Target_i386): Initialize new fields.
 687         (Target_i386::do_plt_address_for_global): New function replacing
 688         do_plt_section_for_global.
 689         (Target_i386::do_plt_address_for_local): New function replacing
 690         do_plt_section_for_local.
 691         (Target_i386::got_section): Create got_irelative_.
 692         (Target_i386::rel_irelative_section): New function.
 693         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 694         fields.  Don't define __rel_iplt_{start,end}.
 695         (Output_data_plt_i386::add_entry): Add symtab and layout
 696         parameters.  Change all callers.  Use different PLT and GOT for
 697         IFUNC symbols.
 698         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 699         layout parameters.  Change all callers.  Use different PLT and
 700         GOT.
 701         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 702         (Output_data_plt_i386::rel_irelative): New function.
 703         (Output_data_plt_i386::address_for_global): New function.
 704         (Output_data_plt_i386::address_for_local): New function.
 705         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 706         IRELATIVE GOT when changing IFUNC GOT entries.
 707         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 708         reloc.
 709         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 710         if we didn't create an IRELATIVE GOT.
 711         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 712         plt_address_for_local.
 713         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 714         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 715         got_irelative_, and irelative_count_ fields.  Update
 716         declarations.
 717         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 718         Initialize new fields.  Remove symtab parameter.  Change all
 719         callers.
 720         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 721         irelative_count_.
 722         (Output_data_plt_x86_64::has_irelative_section): New function.
 723         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 724         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 725         fields.  Update declarations.
 726         (Target_x86_64::Target_x86_64): Initialize new fields.
 727         (Target_x86_64::do_plt_address_for_global): New function replacing
 728         do_plt_section_for_global.
 729         (Target_x86_64::do_plt_address_for_local): New function replacing
 730         do_plt_section_for_local.
 731         (Target_x86_64::got_section): Create got_irelative_.
 732         (Target_x86_64::rela_irelative_section): New function.
 733         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 734         all callers.  Don't create __rel_iplt_{start,end}.
 735         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 736         parameters.  Change all callers.  Use different PLT and GOT for
 737         IFUNC symbols.
 738         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 739         layout parameters.  Change all callers.  Use different PLT and
 740         GOT.
 741         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 742         parameters.  Change all callers.  Use different PLT and GOT for
 743         IFUNC symbols.
 744         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 745         (Output_data_plt_x86_64::rela_irelative): New function.
 746         (Output_data_plt_x86_64::address_for_global): New function.
 747         (Output_data_plt_x86_64::address_for_local): New function.
 748         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 749         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 750         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 751         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 752         parameters.
 753         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 754         reloc.
 755         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 756         symbols if we didn't create an IRELATIVE GOT.
 757         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 758         plt_address_for_local.
 759         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 760         * testsuite/ifuncvar1.c: New test file.
 761         * testsuite/ifuncvar2.c: New test file.
 762         * testsuite/ifuncvar3.c: New test file.
 763         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 764         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 765         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 766         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 767         * testsuite/Makefile.in: Rebuild.
 768
 769 2011-07-07  Cary Coutant  <ccoutant@google.com>
 770
 771         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 772         (two_file_test_1_ndebug.o): Likewise.
 773         (two_file_test_1b_ndebug.o): Likewise.
 774         (two_file_test_2_ndebug.o): Likewise.
 775         (two_file_test_main_ndebug.o): Likewise.
 776         (incremental_test_2): Link with no-debug versions.
 777
 778 2011-07-06  Cary Coutant  <ccoutant@google.com>
 779
 780         * gold/incremental.cc
 781         (Output_section_incremental_inputs::write_info_blocks): Check for
 782         hidden and internal symbols.
 783
 784 2011-07-06  Cary Coutant  <ccoutant@google.com>
 785
 786         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 787         Check disposition for startup file.
 788         (Incremental_inputs::report_command_line): Ignore
 789         --incremental-startup-unchanged option.
 790         * options.cc (General_options::parse_incremental_startup_unchanged):
 791         New function.
 792         (General_options::General_options): Initialize new data member.
 793         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 794         (General_options): Add --incremental-startup-unchanged option.
 795         (General_options::incremental_startup_disposition): New function.
 796         (General_options::incremental_startup_disposition_): New data member.
 797
 798 2011-07-06  Cary Coutant  <ccoutant@google.com>
 799
 800         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 801         input file index to Script_info ctor.
 802         (Sized_incremental_binary::do_file_has_changed): Find the
 803         command-line argument for files named in scripts.
 804         * incremental.h (Script_info::Script_info): New ctor
 805         with input file index.
 806         (Script_info::input_file_index): New function.
 807         (Script_info::input_file_index_): New data member.
 808         (Incremental_binary::get_library): Add const.
 809         (Incremental_binary::get_script_info): Add const.
 810         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 811         * testsuite/Makefile.am (incremental_test_5): New test case.
 812         (incremental_test_6): New test case.
 813         * testsuite/Makefile.in: Regenerate.
 814
 815 2011-07-06  Cary Coutant  <ccoutant@google.com>
 816
 817         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 818         debug output when command lines differ.
 819
 820 2011-07-06  Cary Coutant  <ccoutant@google.com>
 821
 822         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 823         --incremental-patch option.
 824         * layout.cc (Free_list::allocate): Extend allocation beyond original
 825         end if enabled.
 826         (Layout::make_output_section): Mark sections that should get
 827         patch space.
 828         * options.cc (parse_percent): New function.
 829         * options.h (parse_percent): New function.
 830         (DEFINE_percent): New macro.
 831         (General_options): Add --incremental-patch option.
 832         * output.cc (Output_section::Output_section): Initialize new data
 833         members.
 834         (Output_section::add_input_section): Print section name when out
 835         of patch space.
 836         (Output_section::add_output_section_data): Likewise.
 837         (Output_section::set_final_data_size): Add patch space when
 838         doing --incremental-full.
 839         (Output_section::do_reset_address_and_file_offset): Remove patch
 840         space.
 841         (Output_segment::set_section_list_addresses): Print debug output
 842         only if --incremental-update.
 843         * output.h (Output_section::set_is_patch_space_allowed): New function.
 844         (Output_section::is_patch_space_allowed_): New data member.
 845         (Output_section::patch_space_): New data member.
 846         * parameters.cc (Parameters::incremental_full): New function.
 847         * parameters.h (Parameters::incremental_full): New function
 848         * testsuite/Makefile.am (incremental_test_2): Add test for
 849         --incremental-patch option.
 850         * testsuite/Makefile.in: Regenerate.
 851         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 852         (t18): Remove function body.
 853
 854 2011-07-05  Doug Kwan  <dougkwan@google.com>
 855
 856         PR gold/12771
 857         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 858         Arm_Address type for relocation result.
 859         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 860         overflow check.
 861         (Arm_relocate_functions::abs32): Use unaligned access.
 862         (Arm_relocate_functions::rel32): Ditto.
 863         (Arm_relocate_functions::prel31): Ditto.
 864         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 865         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 866         static data relocations.
 867         * testsuite/Makefile.in: Regnerate.
 868         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 869
 870 2011-07-05  Ian Lance Taylor  <iant@google.com>
 871
 872         PR gold/12392
 873         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 874         symbols if necessary.
 875         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 876
 877 2011-07-05  Ian Lance Taylor  <iant@google.com>
 878
 879         PR gold/12952
 880         * resolve.cc (Symbol::override_base_with_special): Simply override
 881         version with special symbol version, ignoring previous version.
 882
 883 2011-07-05  Ian Lance Taylor  <iant@google.com>
 884
 885         * object.cc (Sized_relobj_file::include_section_group): Add
 886         information to comment about signature location.
 887
 888 2011-07-02  Ian Lance Taylor  <iant@google.com>
 889
 890         PR gold/12957
 891         * options.h (class General_options): Add -f and -F.
 892         * options.cc (General_options::finalize): Fatal error if -f/-F
 893         are used without -shared.
 894         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 895
 896 2011-07-02  Ian Lance Taylor  <iant@google.com>
 897
 898         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 899
 900 2011-07-01  Ian Lance Taylor  <iant@google.com>
 901
 902         PR gold/12525
 903         PR gold/12952
 904         * resolve.cc (Symbol::override_base_with_special): Don't override
 905         the version if the overriding symbol has a different name.
 906         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 907         all callers.  If we give an error about an undefined version,
 908         define the base version if necessary.
 909         * dynobj.h (class Versions): Update declaration.
 910         * testsuite/weak_alias_test_5.cc: New file.
 911         * testsuite/weak_alias_test.script: New file.
 912         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 913         and versioned_alias have the right value, and call t2.
 914         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 915         weak_alias_test_5.so.
 916         (weak_alias_test_LDADD): Likewise.
 917         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 918         * testsuite/Makefile.in: Rebuild.
 919
 920 2011-07-01  Ian Lance Taylor  <iant@google.com>
 921
 922         PR gold/12525
 923         * options.h (class General_options): Support -z notext.
 924         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 925         -Wl,-z,notext.
 926         (two_file_shared_nonpic.so): Likewise.
 927         (two_file_shared_mixed.so): Likewise.
 928         (two_file_shared_mixed_1.so): Likewise.
 929         (weak_undef_lib_nonpic.so): Likewise.
 930         (alt/weak_undef_lib_nonpic.so): Likewise.
 931         (tls_test_shared_nonpic.so): Likewise.
 932         * testsuite/Makefile.in: Rebuild.
 933
 934 2011-07-01  Ian Lance Taylor  <iant@google.com>
 935
 936         PR gold/12525
 937         * configure.ac: Test whether static linking works, setting
 938         the automake conditional HAVE_STATIC.
 939         * testsuite/Makefile.am: Disable tests using -static if
 940         HAVE_STATIC is not true.
 941         * configure, testsuite/Makefile.in: Rebuild.
 942
 943 2011-07-01  Ian Lance Taylor  <iant@google.com>
 944
 945         PR gold/12525
 946         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 947         Assert if we see DW_EH_PE_indirect.
 948         * target.h (Target::ehframe_datarel_base): New function.
 949         (Target::do_ehframe_datarel_base): New target function.
 950         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 951         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 952         function.
 953
 954 2011-07-01  Ian Lance Taylor  <iant@google.com>
 955
 956         PR gold/12571
 957         * options.h (class General_options): Add
 958         --ld-generated-unwind-info.
 959         * ehframe.cc (Fde::write): Add address parameter.  Change all
 960         callers.  If associated with PLT, fill in address and size.
 961         (Cie::set_output_offset): Only add merge mapping if there is an
 962         object.
 963         (Cie::write): Add address parameter.  Change all callers.
 964         (Eh_frame::add_ehframe_for_plt): New function.
 965         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 966         input_offset_ fields into union u_, with new plt field.
 967         (Fde::Fde): Adjust for new union field.
 968         (Fde::Fde) [Output_data version]: New constructor.
 969         (Fde::add_mapping): Only add merge mapping if there is an object.
 970         (class Cie): Update declarations.
 971         (class Eh_frame): Declare add_ehframe_for_plt.
 972         * layout.cc (Layout::layout_eh_frame): Break out code into
 973         make_eh_frame_section, and call it.
 974         (Layout::make_eh_frame_section): New function.
 975         (Layout::add_eh_frame_for_plt): New function.
 976         * layout.h (class Layout): Update declarations.
 977         * merge.cc (Merge_map::add_mapping): Add assertion.
 978         * i386.cc: Include "dwarf.h".
 979         (class Output_data_plt_i386): Make first_plt_entry,
 980         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 981         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 982         and plt_eh_frame_fde.
 983         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 984         boundary.  Call add_eh_frame_for_plt if appropriate.
 985         * x86_64.cc: Include "dwarf.h".
 986         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 987         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 988         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 989         and plt_eh_frame_fde.
 990         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 991         appropriate.
 992
 993 2011-06-29  Ian Lance Taylor  <iant@google.com>
 994
 995         PR gold/12629
 996         * object.cc (Sized_relobj_file::layout_section): Change shdr
 997         parameter to be const.
 998         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 999         out of do_layout.
1000         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1001         appropriate.  Call layout_eh_frame_section.
1002         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1003         sections.
1004         * object.h (class Sized_relobj_file): Update declarations.
1005
1006 2011-06-29  Ian Lance Taylor  <iant@google.com>
1007
1008         PR gold/12652
1009         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1010         modifier.
1011         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1012
1013 2011-06-29  Ian Lance Taylor  <iant@google.com>
1014
1015         PR gold/12675
1016         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1017         SHT_X86_64_UNWIND.
1018         * layout.cc (Layout::layout_eh_frame): Likewise.
1019
1020 2011-06-29  Ian Lance Taylor  <iant@google.com>
1021
1022         PR gold/12695
1023         * layout.cc (Layout::symtab_section_shndx): New function.
1024         * layout.h (class Layout): Declare symtab_section_shndx.
1025         * output.cc (Output_section::write_header): Call it.
1026
1027 2011-06-29  Ian Lance Taylor  <iant@google.com>
1028
1029         PR gold/12818
1030         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1031         symbols which are not used in a relocation.
1032
1033 2011-06-28  Ian Lance Taylor  <iant@google.com>
1034
1035         PR gold/12898
1036         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1037         script create indistinguishable segments.
1038         (Layout::set_segment_offsets): Use stable_sort when sorting
1039         segments.  Pass this to Compare_segments constructor.
1040         * layout.h (class Layout): Make segment_precedes non-static.
1041         (class Compare_segments): Change from struct to class.  Add
1042         layout_ field.  Add constructor.
1043         * script-sections.cc
1044         (Script_sections::attach_sections_using_phdrs_clause): Rename
1045         local orphan to is_orphan.  Don't report failure to put empty
1046         section in segment.  On attachment failure, report name of
1047         section, and attach to first PT_LOAD segment.
1048
1049 2011-06-28  Ian Lance Taylor  <iant@google.com>
1050
1051         PR gold/12934
1052         * target-select.cc (Target_selector::Target_selector): Add
1053         emulation parameter.  Change all callers.
1054         (select_target_by_bfd_name): Rename from select_target_by_name.
1055         Change all callers.
1056         (select_target_by_emulation): New function.
1057         (supported_emulation_names): New function.
1058         * target-select.h (class Target_selector): Add emulation_ field.
1059         Update declarations.
1060         (Target_selector::recognize_by_bfd_name): Rename from
1061         recognize_by_name.  Change all callers.
1062         (Target_selector::supported_bfd_names): Rename from
1063         supported_names.  Change all callers.
1064         (Target_selector::recognize_by_emulation): New function.
1065         (Target_selector::supported_emulations): New function.
1066         (Target_selector::emulation): New function.
1067         (Target_selector::do_recognize_by_bfd_name): Rename from
1068         do_recognize_by_name.  Change all callers.
1069         (Target_selector::do_supported_bfd_names): Rename from
1070         do_supported_names.  Change all callers.
1071         (Target_selector::do_recognize_by_emulation): New function.
1072         (Target_selector::do_supported_emulations): New function.
1073         (select_target_by_bfd_name): Change name in declaration.
1074         (select_target_by_emulation): Declare.
1075         (supported_emulation_names): Declare.
1076         * parameters.cc (parameters_force_valid_target): Try to find
1077         target based on emulation from -m option.
1078         * options.h (class General_options): Change doc string for -m.
1079         * options.cc (help): Print emulations.
1080         (General_options::parse_V): Likewise.
1081         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1082         Add emulation parameter.  Change all callers.
1083
1084 2011-06-28  Ian Lance Taylor  <iant@google.com>
1085
1086         * target.h (class Target): Add osabi_ field.
1087         (Target::osabi): New function.
1088         (Target::set_osabi): New function.
1089         (Target::Target): Initialize osabi_.
1090         (Target::do_adjust_elf_header): Make pure virtual.
1091         (Sized_target::do_adjust_elf_header): Declare.
1092         * target.cc (Sized_target::do_adjust_elf_header): New function.
1093         (class Sized_target): Instantiate all versions.
1094         * freebsd.h (class Target_freebsd): Remove.
1095         (Target_selector_freebsd::do_recognize): Call set_osabi on
1096         Target.
1097         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1098         (Target_selector_freebsd::set_osabi): Remove.
1099         * i386.cc (class Target_i386): Inherit from Sized_target rather
1100         than Target_freebsd.
1101         * x86_64.cc (class Target_x86_64): Likewise.
1102
1103 2011-06-28  Ian Lance Taylor  <iant@google.com>
1104
1105         * target.h (Target::can_check_for_function_pointers): Rewrite.
1106         Make non-virtual.
1107         (Target::can_icf_inline_merge_sections): Likewise.
1108         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1109         (Target::Target_info): Add can_icf_inline_merge_sections field.
1110         (Target::do_can_check_for_function_pointers): New virtual
1111         function.
1112         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1113         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1114         from can_check_for_function_pointers, move in file.
1115         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1116         section_may_have_icf_unsafe_poineters, move in file.
1117         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1118         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1119         Rename from can_check_for_function_pointers, move in file.
1120         (Target_i386::can_icf_inline_merge_sections): Remove.
1121         (Target_i386::i386_info): Initialize
1122         can_icf_inline_merge_sections.
1123         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1124         Initialize can_icf_inline_merge_sections.
1125         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1126         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1127         Rename from can_check_for_function_pointers, move in file.
1128         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1129         (Target_x86_64::x86_64_info): Initialize
1130         can_icf_inline_merge_sections.
1131         * testsuite/testfile.cc (Target_test::test_target_info):
1132         Likewise.
1133         * icf.cc (get_section_contents): Correct formatting.
1134
1135 2011-06-27  Ian Lance Taylor  <iant@google.com>
1136
1137         * symtab.cc (Symbol::versioned_name): New function.
1138         (Symbol_table::add_to_final_symtab): Use versioned_name when
1139         appropriate.
1140         (Symbol_table::sized_write_symbol): Likewise.
1141         * symtab.h (class Symbol): Declare versioned_name.
1142         * stringpool.h (class Stringpool_template): Add variant of add
1143         which takes a std::basic_string.
1144         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1145         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1146         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1147         (ver_test_12.o): New target.
1148         * testsuite/Makefile.in: Rebuild.
1149
1150 2011-06-27  Doug Kwan  <dougkwan@google.com>
1151
1152         * arm.cc (Arm_relocate_functions::thm_jump8,
1153         Arm_relocate_functions::thm_jump11): Use a wider signed
1154         type to compute offset.
1155         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1156         arm_thm_jump8.
1157         * testsuite/Makefile.in: Regenerate.
1158         * testsuite/arm_branch_in_range.sh: Check test results of
1159         arm_thm_jump11 and arm_thm_jump8.
1160         * testsuite/arm_thm_jump11.s: New test source file.
1161         * testsuite/arm_thm_jump11.t: New linker script.
1162         * testsuite/arm_thm_jump8.s: New test source file.
1163         * testsuite/arm_thm_jump8.t: New linker script.
1164
1165 2011-06-24  Ian Lance Taylor  <iant@google.com>
1166
1167         * layout.cc: Include "object.h".
1168         (ctors_sections_in_init_array): New static variable.
1169         (Layout::is_ctors_in_init_array): New function.
1170         (Layout::layout): Add entry to ctors_sections_in_init_array if
1171         appropriate.
1172         * layout.h (class Layout): Declare is_ctors_in_init_array.
1173         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1174         is_ctors_reverse_view is set.
1175         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1176         all callers.  Set is_ctors_reverse_view field of View_size.
1177         (Sized_relobj_file::reverse_words): New function.
1178         * object.h (Sized_relobj_file::View_size): Add
1179         is_ctors_reverse_view field.
1180         (class Sized_relobj_file): Update declarations.
1181         * testsuite/initpri3.c: New test.
1182         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1183         initpri3b.
1184         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1185         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1186         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1187         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1188         * testsuite/Makefile.in: Rebuild.
1189
1190 2011-06-24  Cary Coutant  <ccoutant@google.com>
1191
1192         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1193         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1194         (debug_msg_cdebug.err): New targets.
1195         * testsuite/Makefile.in: Regenerate.
1196         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1197         Fix checks for link with shared library.
1198
1199 2011-06-24  Doug Kwan  <dougkwan@google.com>
1200
1201         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1202         skip empty text sections.
1203         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1204
1205 2011-06-22  Ian Lance Taylor  <iant@google.com>
1206
1207         PR gold/12910
1208         * options.h (class General_options): Add --ctors-in-init-array.
1209         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1210         friends as SHT_PROGBITS for merging sections.
1211         (Layout::layout): Remove special handling of .init_array and
1212         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1213         and .dtors if ctors_in_init_array.
1214         (Layout::make_output_section): Force correct section types for
1215         .init_array and friends.  Don't sort if doing relocatable link,
1216         Don't sort .ctors and .dtors if ctors_in_init_array.
1217         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1218         (Layout::output_section_name): Add relobj parameter.  Change all
1219         callers.  Handle .ctors. and .dtors. in code rather than table.
1220         Handle .ctors and .dtors if ctors_in_init_array.
1221         (Layout::match_file_name): New function, moved from output.cc.
1222         * layout.h (class Layout): Update declarations.
1223         * output.cc: Include "layout.h".
1224         (Input_section_sort_entry::get_priority): New function.
1225         (Input_section_sort_entry::match_file_name): Just call
1226         Layout::match_file_name.
1227         (Output_section::Input_section_sort_init_fini_compare::operator()):
1228         Handle .ctors and .dtors.  Sort by explicit priority rather than
1229         by name.
1230         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1231         * testsuite/initpri2.c: New test.
1232         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1233         (check_PROGRAMS): Add initpri2.
1234         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1235         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1236         * configure, testsuite/Makefile.in: Rebuild.
1237
1238 2011-06-19  Ian Lance Taylor  <iant@google.com>
1239
1240         PR gold/12880
1241         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1242         .interp section to a PT_INTERP segment even if we have seen a
1243         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1244         clause in a linker script.
1245         (Layout::finalize): Don't create a .interp section if we've
1246         already create a PT_INTERP segment.
1247         (Layout::create_interp): Always call choose_output_section (revert
1248         patch of 2011-06-17).  Don't create PT_INTERP segment.
1249         * script-sections.cc
1250         (Script_sections::create_note_and_tls_segments): Add a .interp
1251         section to a PT_INTERP segment even if we have seen a
1252         --dynamic-linker option.
1253
1254 2011-06-18  Ian Lance Taylor  <iant@google.com>
1255
1256         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1257         merely because a non-PT_LOAD segment has a dynamic reloc.
1258
1259 2011-06-18  Ian Lance Taylor  <iant@google.com>
1260
1261         * layout.cc (Layout::finish_dynamic_section): Don't create
1262         DT_FLAGS entry if not needed.
1263
1264 2011-06-18  Ian Lance Taylor  <iant@google.com>
1265
1266         PR gold/12745
1267         * layout.cc (Layout::layout_eh_frame): Correct handling of
1268         writable .eh_frame section.
1269
1270 2011-06-17  Ian Lance Taylor  <iant@google.com>
1271
1272         PR gold/12893
1273         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1274         symbol is redefined with the exact same object and value.
1275
1276 2011-06-17  Ian Lance Taylor  <iant@google.com>
1277
1278         PR gold/12880
1279         * layout.h (class Layout): Add interp_segment_ field.
1280         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1281         (Layout::attach_allocated_section_to_segment): If making shared
1282         library, put .interp section in PT_INTERP segment.
1283         (Layout::finalize): Also call create_interp if -dynamic-linker
1284         option was used.
1285         (Layout::create_interp): Assert that there is no PT_INTERP
1286         segment.  If not using a SECTIONS clause, use make_output_section.
1287         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1288         * script-sections.cc
1289         (Script_sections::create_note_and_tls_segments): If making shared
1290         library, put .interp section in PT_INTERP segment.
1291
1292 2011-06-17  Ian Lance Taylor  <iant@google.com>
1293
1294         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1295         when making a shared library.
1296
1297 2011-06-17  Ian Lance Taylor  <iant@google.com>
1298
1299         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1300         parameter.  Change all callers.  Don't issue warning about PC32
1301         against locally defined symbol.
1302
1303 2011-06-16  Ian Lance Taylor  <iant@google.com>
1304
1305         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1306         occurs in same object.
1307
1308 2011-06-14  Alan Modra  <amodra@gmail.com>
1309
1310         * po/POTFILES.in: Regenerate.
1311
1312 2011-06-09  Ian Lance Taylor  <iant@google.com>
1313
1314         * script-sections.cc
1315         (Orphan_output_section::set_section_addresses): For a relocatable
1316         link set address to 0.
1317
1318 2011-06-09  Cary Coutant  <ccoutant@google.com>
1319
1320         PR gold/12804
1321         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1322         used with --compress-debug-sections.
1323         * gold/object.cc (Sized_relobj_file::do_layout): Report
1324         uncompressed size of compressed input sections.
1325
1326 2011-06-08  Cary Coutant  <ccoutant@google.com>
1327
1328         PR gold/12804
1329         * testsuite/two_file_test_2_v1.cc: Change initialization of
1330         v2 to keep it in .data.
1331
1332 2011-06-07  Cary Coutant  <ccoutant@google.com>
1333
1334         * common.cc (Symbol_table::do_allocate_commons_list): Call
1335         gold_fallback.
1336         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1337         (Errors::fallback): New function.
1338         (gold_fallback): New function.
1339         * errors.h (Errors::fallback): New function.
1340         * gold.cc (gold_exit): Change status parameter to enum; adjust
1341         all callers.
1342         (queue_initial_tasks): Call gold_fallback.
1343         * gold.h: Include cstdlib.
1344         (Exit_status): New enum type.
1345         (gold_exit): Change status parameter to enum.
1346         (gold_fallback): New function.
1347         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1348         (Layout::create_symtab_sections): Likewise.
1349         (Layout::create_shdrs): Likewise.
1350         * main.cc (main): Adjust call to gold_exit.
1351         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1352         (Output_data_got::add_got_entry_pair): Likewise.
1353         (Output_section::add_input_section): Likewise.
1354         (Output_section::add_output_section_data): Likewise.
1355         (Output_segment::set_section_list_addresses): Likewise.
1356         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1357
1358 2011-06-07  Cary Coutant  <ccoutant@google.com>
1359
1360         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1361         for incremental links.
1362         * output.cc (Output_segment::set_section_list_addresses): Remove
1363         FIXME and test for TLS or BSS.
1364
1365 2011-06-07  Cary Coutant  <ccoutant@google.com>
1366
1367         * testsuite/Makefile.am: Add incremental_copy_test,
1368         incremental_common_test_1.
1369         * testsuite/Makefile.in: Regenerate.
1370         * testsuite/common_test_1_v1.c: New source file.
1371         * testsuite/common_test_1_v2.c: New source file.
1372         * testsuite/copy_test_v1.cc: New source file.
1373
1374 2011-06-07  Cary Coutant  <ccoutant@google.com>
1375
1376         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1377         update, allocate common from bss section's free list.
1378         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1379         linker-defined symbols.
1380         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1381         Skip GOT and PLT entries that are no longer referenced.
1382         (Output_section_incremental_inputs::write_info_blocks): Mark
1383         linker-defined symbols.
1384         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1385         * output.cc (Output_section::allocate): New function.
1386         * output.h (Output_section::allocate): New function.
1387         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1388         linker-defined symbols.
1389         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1390         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1391         (Symbol::init_base_output_data): Likewise.
1392         (Symbol::init_base_output_segment): Likewise.
1393         (Symbol::init_base_constant): Likewise.
1394         (Sized_symbol::init_output_data): Likewise.
1395         (Sized_symbol::init_output_segment): Likewise.
1396         (Sized_symbol::init_constant): Likewise.
1397         (Symbol_table::do_define_in_output_data): Likewise.
1398         (Symbol_table::do_define_in_output_segment): Likewise.
1399         (Symbol_table::do_define_as_constant): Likewise.
1400         * symtab.h (Symbol::is_predefined): New function.
1401         (Symbol::init_base_output_data): Add is_predefined parameter.
1402         (Symbol::init_base_output_segment): Likewise.
1403         (Symbol::init_base_constant): Likewise.
1404         (Symbol::is_predefined_): New data member.
1405         (Sized_symbol::init_output_data): Add is_predefined parameter.
1406         (Sized_symbol::init_output_segment): Likewise.
1407         (Sized_symbol::init_constant): Likewise.
1408         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1409
1410 2011-06-07  Cary Coutant  <ccoutant@google.com>
1411
1412         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1413         instead of emit_copy_reloc.
1414         (Copy_relocs::emit_copy_reloc): Refactor.
1415         (Copy_relocs::make_copy_reloc): New function.
1416         (Copy_relocs::add_copy_reloc): Remove.
1417         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1418         section.
1419         (Copy_relocs::make_copy_reloc): New function.
1420         (Copy_relocs::add_copy_reloc): Remove.
1421         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1422         unchanged input files.
1423         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1424         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1425         Reserve BSS space for COPY relocations.
1426         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1427         (Output_section_incremental_inputs::write_info_blocks): Record
1428         whether a symbol is copied from a shared object.
1429         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1430         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1431         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1432         (Incremental_input_entry_reader::get_output_symbol_index): Add
1433         is_copy parameter.
1434         (Incremental_binary::emit_copy_relocs): New function.
1435         (Incremental_binary::do_emit_copy_relocs): New function.
1436         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1437         new data member.
1438         (Sized_incremental_binary::add_copy_reloc): New function.
1439         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1440         (Sized_incremental_binary::Copy_reloc): New struct.
1441         (Sized_incremental_binary::Copy_relocs): New typedef.
1442         (Sized_incremental_binary::copy_relocs_): New data member.
1443         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1444         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1445         * target.h (Sized_target::emit_copy_reloc): New function.
1446         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1447
1448 2011-06-02  Cary Coutant  <ccoutant@google.com>
1449
1450         PR gold/12163
1451         * gold/archive.cc (Archive::Archive): Initialize new data member.
1452         (Archive::include_all_members): Return if archive has already been
1453         included.
1454         * gold/archive.h (Archive::include_all_members_): New data member.
1455
1456 2011-06-02  Nick Clifton  <nickc@redhat.com>
1457
1458         * dynobj.h: Fix spelling mistake in comment.
1459         * output.cc: Likewise.
1460
1461 2011-05-31  Doug Kwan  <dougkwan@google.com>
1462             Asier Llano
1463
1464         PR gold/12826
1465         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1466         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1467         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1468         redundant arm_exidx_test.so.
1469         * testsuite/Makefile.in: Regenerate.
1470         (check_SCRIPTS): Add pr12826.sh
1471         (check_DATA): Add pr12826.stdout
1472         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1473         * testsuite/pr12826.sh: New file.
1474         * testsuite/pr12826_1.s: Ditto.
1475         * testsuite/pr12826_1.s: Ditto.
1476
1477 2011-05-30  Ian Lance Taylor  <iant@google.com>
1478
1479         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1480         sections.
1481
1482 2011-05-29  Ian Lance Taylor  <iant@google.com>
1483
1484         PR gold/12804
1485         * testsuite/Makefile.am: Use different file name for two_file_test
1486         temporary file for each incremental test.
1487         * testsuite/Makefile.in: Rebuild.
1488
1489 2011-05-29  Ian Lance Taylor  <iant@google.com>
1490
1491         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1492         binary input file is empty.
1493
1494 2011-05-27  Ian Lance Taylor  <iant@google.com>
1495
1496         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1497         (ver_test_9.so): Likewise.
1498         * testsuite/Makefile.in: Rebuild.
1499
1500 2011-05-26 Cary Coutant  <ccoutant@google.com>
1501
1502         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1503         * incremental.cc (Incremental_inputs::report_input_section): Fix
1504         comment, indentation.
1505         (Incremental_inputs::report_comdat_group): New function.
1506         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1507         of data for incremental input file entry.
1508         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1509         group count, COMDAT group signatures.
1510         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1511         an unchanged input file.
1512         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1513         Initialize new data member.
1514         (Incremental_object_entry::add_comdat_group): New function.
1515         (Incremental_object_entry::get_comdat_group_count): New function.
1516         (Incremental_object_entry::get_comdat_signature_key): New function.
1517         (Incremental_object_entry::groups_): New data member.
1518         (Incremental_inputs::report_comdat_group): New function.
1519         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1520         data for incremental input file entry.
1521         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1522         (Incremental_input_entry_reader::get_input_section): Adjust size of
1523         data for incremental input file entry.
1524         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1525         (Incremental_input_entry_reader::get_comdat_group_signature): New
1526         function.
1527         * object.cc (Sized_relobj::include_section_group): Report kept
1528         COMDAT groups for incremental links.
1529
1530 2011-05-24  David Meyer  <pdox@google.com>
1531
1532         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1533         with name parameter.  Add found_name parameter.
1534         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1535         * dirsearch.h (class Dirsearch): Update declaration.
1536
1537 2011-05-24  Ian Lance Taylor  <iant@google.com>
1538
1539         * archive.cc (Library_base::should_include_member): Pull in object
1540         from archive if it defines the entry symbol.
1541         * parameters.cc (Parameters::entry): New function.
1542         * parameters.h (class Parameters): Declare entry.
1543         * output.h (class Output_file_header): Remove entry_ field.
1544         * output.cc (Output_file_header::Output_file_header): Remove entry
1545         parameter.  Change all callers.
1546         (Output_file_header::entry): Use parameters->entry.
1547         * gold.cc (queue_middle_tasks): Likewise.
1548         * plugin.cc (Plugin_hook::run): Likewise.
1549
1550 2011-05-24 Cary Coutant  <ccoutant@google.com>
1551
1552         * gold.cc (queue_initial_tasks): Pass incremental base filename
1553         to Output_file::open_base_file; don't print error message.
1554         * incremental-dump.cc (main): Adjust call to
1555         Output_file::open_for_modification.
1556         * incremental-dump.cc (main): Likewise.
1557         * incremental.cc (Incremental_inputs::report_command_line):
1558         Ignore --incremental-base option when comparing command lines.
1559         Ignore parameter when given as separate argument.
1560         * options.h (class General_options): Add --incremental-base.
1561         * output.cc (Output_file::Output_file):
1562         (Output_file::open_base_file): Add base_name and writable parameters;
1563         read base file into new file; print error message here.
1564         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1565         callers.
1566         * output.h (Output_file::open_for_modification): Rename to...
1567         (Output_file::open_base_file): ...this; add base_name and
1568         writable parameters; adjust all callers.
1569         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1570         callers.
1571         * testsuite/Makefile.am (incremental_test_4): Test
1572         --incremental-base.
1573         * testsuite/Makefile.in: Regenerate.
1574
1575 2011-05-24 Cary Coutant  <ccoutant@google.com>
1576
1577         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1578         incremental_test_4.
1579         * testsuite/Makefile.in: Regenerate.
1580         * testsuite/two_file_test_1_v1.cc: New test source file.
1581         * testsuite/two_file_test_1b_v1.cc: New test source file.
1582         * testsuite/two_file_test_2_v1.cc: New test source file.
1583
1584 2011-05-24 Cary Coutant  <ccoutant@google.com>
1585
1586         * dynobj.h (Dynobj::do_dynobj): New function.
1587         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1588         flag and soname for shared objects.
1589         * incremental.cc (Incremental_inputs::report_object): Make
1590         either Incremental_object_entry or Incremental_dynobj_entry; add
1591         soname to string table.
1592         (Incremental_inputs::report_input_section): Add assertion.
1593         (Output_section_incremental_inputs::set_final_data_size): Adjust
1594         type of input file entry for shared libraries; adjust size of
1595         shared library info entry.
1596         (Output_section_incremental_inputs::write_input_files): Write
1597         as_needed flag for shared libraries.
1598         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1599         of input file entry for shared libraries; write soname.
1600         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1601         soname from incremental info.
1602         * incremental.h (enum Incremental_input_flags): Add
1603         INCREMENTAL_INPUT_AS_NEEDED.
1604         (Incremental_input_entry::Incremental_input_entry): Initialize new
1605         data member.
1606         (Incremental_input_entry::set_as_needed): New function.
1607         (Incremental_input_entry::as_needed): New function.
1608         (Incremental_input_entry::do_dynobj_entry): New function.
1609         (Incremental_input_entry::as_needed_): New data member.
1610         (Incremental_object_entry::Incremental_object_entry): Don't check
1611         for shared library.
1612         (Incremental_object_entry::do_type): Likewise.
1613         (class Incremental_dynobj_entry): New class.
1614         (Incremental_input_entry_reader::as_needed): New function.
1615         (Incremental_input_entry_reader::get_soname): New function.
1616         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1617         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1618         size of shared library info entry.
1619         * layout.cc (Layout::finish_dynamic_section): Don't test for
1620         incremental link when adding DT_NEEDED entries.
1621         * object.h (Object::Object): Initialize new data member.
1622         (Object::dynobj): New function.
1623         (Object::set_as_needed): New function.
1624         (Object::as_needed): New function.
1625         (Object::do_dynobj): New function.
1626         (Object::as_needed_): New data member.
1627
1628 2011-05-24 Cary Coutant  <ccoutant@google.com>
1629
1630         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1631         info; adjust display of GOT entries.
1632         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1633         vector of input objects; remove file_status_.
1634         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1635         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1636         got_plt reader; call target hooks to reserve GOT entries.
1637         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1638         of input file info header and GOT info entry.
1639         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1640         relocation info.
1641         (Got_plt_view_info::got_descriptor): Remove.
1642         (Got_plt_view_info::sym_index): New data member.
1643         (Got_plt_view_info::input_index): New data member.
1644         (Local_got_offset_visitor::visit): Write input file index.
1645         (Global_got_offset_visitor::visit): Write 0 for input file index.
1646         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1647         with sym_index and input_index.
1648         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1649         incremental info GOT entry; replace got_descriptor with input_index.
1650         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1651         map from input file index to object.
1652         (Sized_relobj_incr::do_layout): Replace direct data member reference
1653         with accessor function.
1654         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1655         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1656         Adjust size of input file info header.
1657         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1658         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1659         (Incremental_input_entry_reader::get_input_section): Adjust size of
1660         input file info header.
1661         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1662         of incremental info GOT entry.
1663         (Incremental_got_plt_reader::get_got_desc): Remove.
1664         (Incremental_got_plt_reader::get_got_symndx): New function.
1665         (Incremental_got_plt_reader::get_got_input_index): New function.
1666         (Sized_incremental_binary::Sized_incremental_binary): Remove
1667         file_status_; add input_objects_.
1668         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1669         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1670         (Sized_incremental_binary::file_is_unchanged): Remove.
1671         (Sized_incremental_binary::set_input_object): New function.
1672         (Sized_incremental_binary::input_object): New function.
1673         (Sized_incremental_binary::file_status_): Remove.
1674         (Sized_incremental_binary::input_objects_): New data member.
1675         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1676         references.
1677         (Sized_relobj_incr::invalid_address): Move to base class.
1678         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1679         class.
1680         (Sized_relobj_incr::do_output_section_offset): Likewise.
1681         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1682         (Sized_relobj_incr::section_offsets_): Likewise.
1683         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1684         function.
1685         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1686         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1687         with accessor function.
1688         (Sized_relobj_file::do_layout): Likewise.
1689         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1690         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1691         (Sized_relobj_file::compute_final_local_value): Replace refs to
1692         section_offsets_ with accessor function.
1693         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1694         * object.h (Relobj::Relobj): Initialize new data members.
1695         (Relobj::add_dyn_reloc): New function.
1696         (Relobj::first_dyn_reloc): New function.
1697         (Relobj::dyn_reloc_count): New function.
1698         (Relobj::first_dyn_reloc_): New data member.
1699         (Relobj::dyn_reloc_count_): New data member.
1700         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1701         references.
1702         (Sized_relobj::Address): New typedef.
1703         (Sized_relobj::invalid_address): Move here from child class.
1704         (Sized_relobj::Sized_relobj): Initialize new data members.
1705         (Sized_relobj::sized_relobj): New function.
1706         (Sized_relobj::is_output_section_offset_invalid): Move here from
1707         child class.
1708         (Sized_relobj::get_output_section_offset): Likewise.
1709         (Sized_relobj::local_has_got_offset): Likewise.
1710         (Sized_relobj::local_got_offset): Likewise.
1711         (Sized_relobj::set_local_got_offset): Likewise.
1712         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1713         (Sized_relobj::clear_got_offsets): New function.
1714         (Sized_relobj::section_offsets): Move here from child class.
1715         (Sized_relobj::do_output_section_offset): Likewise.
1716         (Sized_relobj::do_set_section_offset): Likewise.
1717         (Sized_relobj::Local_got_offsets): Likewise.
1718         (Sized_relobj::local_got_offsets_): Likewise.
1719         (Sized_relobj::section_offsets_): Likewise.
1720         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1721         references.
1722         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1723         class.
1724         (Sized_relobj_file::sized_relobj): New function
1725         (Sized_relobj_file::local_has_got_offset): Move to base class.
1726         (Sized_relobj_file::local_got_offset): Likewise.
1727         (Sized_relobj_file::set_local_got_offset): Likewise.
1728         (Sized_relobj_file::get_output_section_offset): Likewise.
1729         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1730         (Sized_relobj_file::do_output_section_offset): Likewise.
1731         (Sized_relobj_file::do_set_section_offset): Likewise.
1732         (Sized_relobj_file::Local_got_offsets): Likewise.
1733         (Sized_relobj_file::local_got_offsets_): Likewise.
1734         (Sized_relobj_file::section_offsets_): Likewise.
1735         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1736         (all constructors).
1737         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1738         (Output_reloc::get_symbol_index): Likewise.
1739         (Output_reloc::local_section_offset): Likewise.
1740         (Output_reloc::get_address): Likewise.
1741         (Output_reloc::symbol_value): Likewise.
1742         (Output_data_got::reserve_slot): Move to class definition.
1743         (Output_data_got::reserve_local): New function.
1744         (Output_data_got::reserve_slot_for_global): Remove.
1745         (Output_data_got::reserve_global): New function.
1746         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1747         (all constructors, two instantiations).
1748         (Output_reloc::get_relobj): New function (two instantiations).
1749         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1750         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1751         (Output_data_reloc::add_global): Adjust type of relobj.
1752         (Output_data_reloc::add_global_relative): Likewise.
1753         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1754         (Output_data_reloc::add_local): Likewise.
1755         (Output_data_reloc::add_local_relative): Likewise.
1756         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1757         (Output_data_reloc::add_local_section): Likewise.
1758         (Output_data_reloc::add_output_section): Likewise.
1759         (Output_data_reloc::add_absolute): Likewise.
1760         (Output_data_reloc::add_target_specific): Likewise.
1761         (Output_data_got::reserve_slot): Move definition here.
1762         (Output_data_got::reserve_local): New function.
1763         (Output_data_got::reserve_global): New function.
1764         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1765         section_offsets_ with accessor function.
1766         (Sized_relobj_file::write_sections): Likewise.
1767         (Sized_relobj_file::do_relocate_sections): Likewise.
1768         * target.h (Sized_target::reserve_local_got_entry): New function.
1769         (Sized_target::reserve_global_got_entry): New function.
1770         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1771         (Target_x86_64::reserve_global_got_entry): New function.
1772         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1773
1774 2011-05-23 Cary Coutant  <ccoutant@google.com>
1775
1776         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1777         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1778         bit when checking got_type.
1779         * incremental.cc (Sized_incremental_binary::setup_readers):
1780         Store symbol table and string table locations; initialize bit vector
1781         of file status flags.
1782         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1783         unchanged files.
1784         (Sized_incremental_binary::do_process_got_plt): New function.
1785         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1786         (Output_section_incremental_inputs::set_final_data_size): Record
1787         file index for each input file.
1788         (Output_section_incremental_inputs::write_got_plt): Store file index
1789         instead of input entry offset for each GOT entry.
1790         * incremental.h
1791         (Incremental_input_entry::Incremental_input_entry): Initialize new
1792         data member.
1793         (Incremental_input_entry::set_offset): Store file index.
1794         (Incremental_input_entry::get_file_index): New function.
1795         (Incremental_input_entry::file_index_): New data member.
1796         (Incremental_binary::process_got_plt): New function.
1797         (Incremental_binary::do_process_got_plt): New function.
1798         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1799         data members.
1800         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1801         (Sized_incremental_binary::set_file_is_unchanged): New function.
1802         (Sized_incremental_binary::file_is_unchanged): New function.
1803         (Sized_incremental_binary::do_process_got_plt): New function.
1804         (Sized_incremental_binary::file_status_): New data member.
1805         (Sized_incremental_binary::main_symtab_loc_): New data member.
1806         (Sized_incremental_binary::main_strtab_loc_): New data member.
1807         * output.cc (Output_data_got::Got_entry::write): Add case
1808         RESERVED_CODE.
1809         (Output_data_got::add_global): Call add_got_entry.
1810         (Output_data_got::add_global_plt): Likewise.
1811         (Output_data_got::add_global_with_rel): Likewise.
1812         (Output_data_got::add_global_with_rela): Likewise.
1813         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1814         (Output_data_got::add_global_pair_with_rela): Likewise.
1815         (Output_data_got::add_local): Call add_got_entry.
1816         (Output_data_got::add_local_plt): Likewise.
1817         (Output_data_got::add_local_with_rel): Likewise.
1818         (Output_data_got::add_local_with_rela): Likewise.
1819         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1820         (Output_data_got::add_local_pair_with_rela): Likewise.
1821         (Output_data_got::reserve_slot): New function.
1822         (Output_data_got::reserve_slot_for_global): New function.
1823         (Output_data_got::add_got_entry): New function.
1824         (Output_data_got::add_got_entry_pair): New function.
1825         (Output_section::add_output_section_data): Edit FIXME.
1826         * output.h
1827         (Output_section_data_build::Output_section_data_build): New
1828         constructor with size parameter.
1829         (Output_data_space::Output_data_space): Likewise.
1830         (Output_data_got::Output_data_got): Initialize new data member; new
1831         constructor with size parameter.
1832         (Output_data_got::add_constant): Call add_got_entry.
1833         (Output_data_got::reserve_slot): New function.
1834         (Output_data_got::reserve_slot_for_global): New function.
1835         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1836         (Output_data_got::add_got_entry): New function.
1837         (Output_data_got::add_got_entry_pair): New function.
1838         (Output_data_got::free_list_): New data member.
1839         * target.h (Sized_target::init_got_plt_for_update): New function.
1840         (Sized_target::register_global_plt_entry): New function.
1841         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1842         Initialize new data member; call init; add constructor with PLT count.
1843         (Output_data_plt_x86_64::init): New function.
1844         (Output_data_plt_x86_64::add_relocation): New function.
1845         (Output_data_plt_x86_64::reserve_slot): New function.
1846         (Output_data_plt_x86_64::free_list_): New data member.
1847         (Target_x86_64::init_got_plt_for_update): New function.
1848         (Target_x86_64::register_global_plt_entry): New function.
1849         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1850         incremental updates.
1851         (Output_data_plt_x86_64::add_relocation): New function.
1852         * testsuite/object_unittest.cc (Object_test): Set default options.
1853
1854 2011-05-16  Ian Lance Taylor  <iant@google.com>
1855
1856         * options.h (class General_options): Make -i a synonym for -r.
1857
1858 2011-05-16  Ian Lance Taylor  <iant@google.com>
1859
1860         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1861
1862 2011-05-10 Cary Coutant  <ccoutant@google.com>
1863
1864         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1865         strip_all (-s).
1866
1867 2011-05-06  Ian Lance Taylor  <iant@google.com>
1868
1869         * layout.cc (Layout::layout): If the output section flags change,
1870         update the ordering.
1871
1872 2011-04-25 Cary Coutant  <ccoutant@google.com>
1873
1874         * incremental-dump.cc (dump_incremental_inputs): Print local
1875         symbol info for each input file.
1876         * incremental.cc
1877         (Output_section_incremental_inputs::set_final_data_size): Add local
1878         symbol info to input file entries in incremental info.
1879         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1880         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1881         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1882         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1883         implementation.
1884         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1885         (Sized_incr_relobj::do_relocate): Write the local symbols.
1886         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1887         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1888         Adjust size of input file header.
1889         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1890         (Incremental_inputs_reader::get_local_symbol_count): New function.
1891         (Incremental_inputs_reader::get_input_section): Adjust size of input
1892         file header.
1893         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1894         (Sized_incr_relobj::This): New typedef.
1895         (Sized_incr_relobj::sym_size): New const data member.
1896         (Sized_incr_relobj::Local_symbol): New struct.
1897         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1898         (Sized_incr_relobj::do_local_symbol_offset): New function.
1899         (Sized_incr_relobj::local_symbol_count_): New data member.
1900         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1901         (Sized_incr_relobj::local_symbol_index_): New data member.
1902         (Sized_incr_relobj::local_symbol_offset_): New data member.
1903         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1904         (Sized_incr_relobj::local_symbols_): New data member.
1905         * object.h (Relobj::output_local_symbol_count): New function.
1906         (Relobj::local_symbol_offset): New function.
1907         (Relobj::do_output_local_symbol_count): New function.
1908         (Relobj::do_local_symbol_offset): New function.
1909         (Sized_relobj::do_output_local_symbol_count): New function.
1910         (Sized_relobj::do_local_symbol_offset): New function.
1911
1912 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1913
1914         * descriptors.cc (set_close_on_exec): New function.
1915         (Descriptors::open): Use set_close_on_exec.
1916         * output.cc (S_ISLNK): Define if not defined.
1917
1918 2011-04-22 Cary Coutant  <ccoutant@google.com>
1919
1920         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1921         global symbol map.
1922         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1923         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1924         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1925         relocations.
1926         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1927         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1928         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1929         * incremental.h
1930         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1931         function.
1932         (Incremental_binary::apply_incremental_relocs): New function.
1933         (Incremental_binary::do_apply_incremental_relocs): New function.
1934         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1935         data member.
1936         (Sized_incremental_binary::add_global_symbol): New function.
1937         (Sized_incremental_binary::global_symbol): New function.
1938         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1939         (Sized_incremental_binary::symbol_map_): New data member.
1940         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1941         * target.h (Sized_target::apply_relocation): New function.
1942         * target-reloc.h (apply_relocation): New function.
1943         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1944
1945 2011-04-22  Doug Kwan  <dougkwan@google.com>
1946
1947         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1948         flag of a SHT_ARM_EXIDX section.
1949         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1950         * testsuite/Makefile.in: Regenerate.
1951         * testsuite/arm_exidx_test.s: New file.
1952         * testsuite/arm_exidx_test.sh: Same.
1953
1954 2011-04-20 Cary Coutant  <ccoutant@google.com>
1955
1956         PR gold/12689
1957         * archive.h (Incremental_archive_entry::Archive_member):
1958         Initialize arg_serial_ (second constructor).
1959
1960 2011-04-17  Ian Lance Taylor  <iant@google.com>
1961
1962         * object.cc (Relocate_info::location): Simplify location string.
1963         * errors.cc (Errors::error_at_location): Don't print program
1964         name.
1965         (Errors::warning_at_location): Likewise.
1966         (Errors::undefined_symbol): Likewise.
1967         * testsuite/debug_msg.sh: Update accordingly.
1968
1969 2011-04-14 Cary Coutant  <ccoutant@google.com>
1970
1971         * gold/layout.cc (Layout::symtab_section_offset): New function.
1972         * gold/layout.h (Layout::symtab_section_offset): New function.
1973         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1974
1975 2011-04-12  Ian Lance Taylor  <iant@google.com>
1976
1977         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1978         with MREMAP_MAYMOVE.
1979         * output.h (class Output_file): Add map_is_allocated_ field.
1980         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1981         not available, provide stubs.  If mremap is not available, #define
1982         it to gold_mremap.
1983         (MREMAP_MAYMOVE): Define if not defined.
1984         (Output_file::Output_file): Initialize map_is_allocated_.
1985         (Output_file::resize): Check map_is_allocated_.
1986         (Output_file::map_anonymous): If mmap fails, use malloc.
1987         (Output_file::unmap): Don't do anything for an anonymous map.
1988         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1989         is not available, provide stubs.
1990         (File_read::View::~View): Use free rather than delete[].
1991         (File_read::make_view): Use malloc rather than new[].  If mmap
1992         fails, use malloc.
1993         (File_read::find_or_make_view): Use malloc rather than new[].
1994         * gold.h: Remove HAVE_REMAP code.
1995         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1996         exists.  Rename mremap to gold_mremap.  If mmap is not available
1997         don't do anything.
1998         * configure, config.in: Rebuild.
1999
2000 2011-04-11  Ian Lance Taylor  <iant@google.com>
2001
2002         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2003         initialize local variable v.
2004
2005 2011-04-11  Cary Coutant  <ccoutant@google.com>
2006
2007         * archive.cc (Archive::include_member): Adjust call to
2008         report_object.
2009         (Add_archive_symbols::run): Track argument serial numbers.
2010         (Lib_group::include_member): Likewise.
2011         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2012         * archive.h (Incremental_archive_entry::Archive_member):
2013         Initialize arg_serial_.
2014         (Archive_member::arg_serial_): New data member.
2015         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2016         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2017         incremental link.
2018         (Sized_dynobj::do_for_all_local_got_entries): New function.
2019         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2020         function.
2021         * fileread.cc (get_mtime): New function.
2022         * fileread.h (get_mtime): New function.
2023         * gold.cc (queue_initial_tasks): Check for incremental update.
2024         (process_incremental_input): New function.
2025         (queue_middle_tasks): Don't force valid target for incremental
2026         update.
2027         * incremental-dump.cc (find_input_containing_global): Adjust
2028         size of symbol info entry.
2029         (dump_incremental_inputs): Dump argument serial number and
2030         in_system_directory flag; bias shndx by 1; print symbol names
2031         when dumping per-file symbol lists; use new symbol info readers.
2032         * incremental.cc
2033         (Output_section_incremental_inputs:update_data_size): New function.
2034         (Sized_incremental_binary::setup_readers): Setup input readers
2035         for each input file; build maps for files added from libraries
2036         and scripts.
2037         (Sized_incremental_binary::check_input_args): New function.
2038         (Sized_incremental_binary::do_check_inputs): Build map of argument
2039         serial numbers to input arguments.
2040         (Sized_incremental_binary::do_file_has_changed): Rename
2041         do_file_is_unchanged to this; compare file modification times.
2042         (Sized_incremental_binary::do_init_layout): New function.
2043         (Sized_incremental_binary::do_reserve_layout): New function.
2044         (Sized_incremental_binary::do_get_input_reader): Remove.
2045         (Sized_incremental_binary::get_symtab_view): New function.
2046         (Incremental_checker::can_incrementally_link_output_file): Remove.
2047         (Incremental_inputs::report_command_line): Exclude --debug options.
2048         (Incremental_inputs::report_archive_begin): Add parameter; track
2049         argument serial numbers; don't put input file entry for archive
2050         before archive members.
2051         (Incremental_inputs::report_archive_end): Put input file entry
2052         for archive after archive members.
2053         (Incremental_inputs::report_object): Add parameter; track argument
2054         serial numbers and in_system_directory flag.
2055         (Incremental_inputs::report_script): Add parameter; track argument
2056         serial numbers.
2057         (Output_section_incremental_inputs::set_final_data_size): Adjust
2058         size of symbol info entry; check for forwarding symbols.
2059         (Output_section_incremental_inputs::write_input_files): Write
2060         in_system_directory flag and argument serial number.
2061         (Output_section_incremental_inputs::write_info_blocks): Map section
2062         indices between incremental info and original input file; store
2063         input section index for each symbol.
2064         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2065         change operator() to visit().
2066         (class Global_got_offset_visitor): Likewise.
2067         (class Global_symbol_visitor_got_plt):
2068         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2069         classes.
2070         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2071         (Sized_incr_relobj::do_read_symbols): New function.
2072         (Sized_incr_relobj::do_layout): New function.
2073         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2074         (Sized_incr_relobj::do_add_symbols): New function.
2075         (Sized_incr_relobj::do_should_include_member): New function.
2076         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2077         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2078         (Sized_incr_relobj::do_section_size): New function.
2079         (Sized_incr_relobj::do_section_name): New function.
2080         (Sized_incr_relobj::do_section_contents): New function.
2081         (Sized_incr_relobj::do_section_flags): New function.
2082         (Sized_incr_relobj::do_section_entsize): New function.
2083         (Sized_incr_relobj::do_section_address): New function.
2084         (Sized_incr_relobj::do_section_type): New function.
2085         (Sized_incr_relobj::do_section_link): New function.
2086         (Sized_incr_relobj::do_section_info): New function.
2087         (Sized_incr_relobj::do_section_addralign): New function.
2088         (Sized_incr_relobj::do_initialize_xindex): New function.
2089         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2090         (Sized_incr_relobj::do_read_relocs): New function.
2091         (Sized_incr_relobj::do_gc_process_relocs): New function.
2092         (Sized_incr_relobj::do_scan_relocs): New function.
2093         (Sized_incr_relobj::do_count_local_symbols): New function.
2094         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2095         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2096         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2097         (Sized_incr_relobj::do_relocate): New function.
2098         (Sized_incr_relobj::do_set_section_offset): New function.
2099         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2100         (Sized_incr_dynobj::do_read_symbols): New function.
2101         (Sized_incr_dynobj::do_layout): New function.
2102         (Sized_incr_dynobj::do_add_symbols): New function.
2103         (Sized_incr_dynobj::do_should_include_member): New function.
2104         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2105         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2106         (Sized_incr_dynobj::do_section_size): New function.
2107         (Sized_incr_dynobj::do_section_name): New function.
2108         (Sized_incr_dynobj::do_section_contents): New function.
2109         (Sized_incr_dynobj::do_section_flags): New function.
2110         (Sized_incr_dynobj::do_section_entsize): New function.
2111         (Sized_incr_dynobj::do_section_address): New function.
2112         (Sized_incr_dynobj::do_section_type): New function.
2113         (Sized_incr_dynobj::do_section_link): New function.
2114         (Sized_incr_dynobj::do_section_info): New function.
2115         (Sized_incr_dynobj::do_section_addralign): New function.
2116         (Sized_incr_dynobj::do_initialize_xindex): New function.
2117         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2118         (make_sized_incremental_object): New function.
2119         (Incremental_library::copy_unused_symbols): New function.
2120         (Incremental_library::do_for_all_unused_symbols): New function.
2121         * incremental.h (enum Incremental_input_flags): New type.
2122         (class Incremental_checker): Remove.
2123         (Incremental_input_entry::Incremental_input_entry): Add argument
2124         serial number.
2125         (Incremental_input_entry::arg_serial): New function.
2126         (Incremental_input_entry::set_is_in_system_directory): New function.
2127         (Incremental_input_entry::is_in_system_directory): New function.
2128         (Incremental_input_entry::arg_serial_): New data member.
2129         (Incremental_input_entry::is_in_system_directory_): New data member.
2130         (class Script_info): Move here from script.h.
2131         (Script_info::Script_info): Add filename parameter.
2132         (Script_info::filename): New function.
2133         (Script_info::filename_): New data member.
2134         (Incremental_script_entry::Incremental_script_entry): Add argument
2135         serial number.
2136         (Incremental_object_entry::Incremental_object_entry): Likewise.
2137         (Incremental_object_entry::add_input_section): Build list of input
2138         sections with map to original shndx.
2139         (Incremental_object_entry::get_input_section_index): New function.
2140         (Incremental_object_entry::shndx_): New data member.
2141         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2142         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2143         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2144         serial number.
2145         (Incremental_inputs::report_archive_begin): Likewise.
2146         (Incremental_inputs::report_object): Likewise.
2147         (Incremental_inputs::report_script): Likewise.
2148         (class Incremental_global_symbol_reader): New class.
2149         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2150         and store flags and input file type.
2151         (Incremental_input_entry_reader::arg_serial): New function.
2152         (Incremental_input_entry_reader::type): Extract type from flags.
2153         (Incremental_input_entry_reader::is_in_system_directory): New function.
2154         (Incremental_input_entry_reader::get_input_section_count): Call
2155         accessor function for type.
2156         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2157         function for type; adjust size of global symbol entry.
2158         (Incremental_input_entry_reader::get_global_symbol_count): Call
2159         accessor function for type.
2160         (Incremental_input_entry_reader::get_object_count): Likewise.
2161         (Incremental_input_entry_reader::get_object_offset): Likewise.
2162         (Incremental_input_entry_reader::get_member_count): Likewise.
2163         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2164         (Incremental_input_entry_reader::get_member_offset): Likewise.
2165         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2166         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2167         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2168         (Incremental_input_entry_reader::get_global_symbol_reader): New
2169         function.
2170         (Incremental_input_entry_reader::get_output_symbol_index): New
2171         function.
2172         (Incremental_input_entry_reader::type_): Remove.
2173         (Incremental_input_entry_reader::flags_): New data member.
2174         (Incremental_inputs_reader::input_file_offset): New function.
2175         (Incremental_inputs_reader::input_file_index): New function.
2176         (Incremental_inputs_reader::input_file): Call input_file_offset.
2177         (Incremental_inputs_reader::input_file_at_offset): New function.
2178         (Incremental_relocs_reader::get_r_type): Reformat.
2179         (Incremental_relocs_reader::get_r_shndx): Reformat.
2180         (Incremental_relocs_reader::get_r_offset): Reformat.
2181         (Incremental_relocs_reader::data): New function.
2182         (Incremental_binary::Incremental_binary): Initialize new data members.
2183         (Incremental_binary::check_inputs): Add cmdline parameter.
2184         (Incremental_binary::file_is_unchanged): Remove.
2185         (Input_reader::arg_serial): New function.
2186         (Input_reader::get_unused_symbol_count): New function.
2187         (Input_reader::get_unused_symbol): New function.
2188         (Input_reader::do_arg_serial): New function.
2189         (Input_reader::do_get_unused_symbol_count): New function.
2190         (Input_reader::do_get_unused_symbol): New function.
2191         (Incremental_binary::input_file_count): New function.
2192         (Incremental_binary::get_input_reader): Change signature to use
2193         index instead of filename.
2194         (Incremental_binary::file_has_changed): New function.
2195         (Incremental_binary::get_input_argument): New function.
2196         (Incremental_binary::get_library): New function.
2197         (Incremental_binary::get_script_info): New function.
2198         (Incremental_binary::init_layout): New function.
2199         (Incremental_binary::reserve_layout): New function.
2200         (Incremental_binary::output_file): New function.
2201         (Incremental_binary::do_check_inputs): New function.
2202         (Incremental_binary::do_file_is_unchanged): Remove.
2203         (Incremental_binary::do_file_has_changed): New function.
2204         (Incremental_binary::do_init_layout): New function.
2205         (Incremental_binary::do_reserve_layout): New function.
2206         (Incremental_binary::do_input_file_count): New function.
2207         (Incremental_binary::do_get_input_reader): Change signature.
2208         (Incremental_binary::input_args_map_): New data member.
2209         (Incremental_binary::library_map_): New data member.
2210         (Incremental_binary::script_map_): New data member.
2211         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2212         new data members.
2213         (Sized_incremental_binary::output_section): New function.
2214         (Sized_incremental_binary::inputs_reader): Add const.
2215         (Sized_incremental_binary::symtab_reader): Add const.
2216         (Sized_incremental_binary::relocs_reader): Add const.
2217         (Sized_incremental_binary::got_plt_reader): Add const.
2218         (Sized_incremental_binary::get_symtab_view): New function.
2219         (Sized_incremental_binary::Inputs_reader): New typedef.
2220         (Sized_incremental_binary::Input_entry_reader): New typedef.
2221         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2222         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2223         (Sized_incremental_binary::do_file_has_changed): New function.
2224         (Sized_incremental_binary::do_init_layout): New function.
2225         (Sized_incremental_binary::do_reserve_layout): New function.
2226         (Sized_input_reader::Inputs_reader): Remove.
2227         (Sized_input_reader::Input_entry_reader): Remove.
2228         (Sized_input_reader::do_arg_serial): New function.
2229         (Sized_input_reader::do_get_unused_symbol_count): New function.
2230         (Sized_input_reader::do_get_unused_symbol): New function.
2231         (Sized_incremental_binary::do_input_file_count): New function.
2232         (Sized_incremental_binary::do_get_input_reader): Change signature;
2233         use index instead of filename.
2234         (Sized_incremental_binary::section_map_): New data member.
2235         (Sized_incremental_binary::input_entry_readers_): New data member.
2236         (class Sized_incr_relobj): New class.
2237         (class Sized_incr_dynobj): New class.
2238         (make_sized_incremental_object): New function.
2239         (class Incremental_library): New class.
2240         * layout.cc (Free_list::num_lists): New static data member.
2241         (Free_list::num_nodes): New static data member.
2242         (Free_list::num_removes): New static data member.
2243         (Free_list::num_remove_visits): New static data member.
2244         (Free_list::num_allocates): New static data member.
2245         (Free_list::num_allocate_visits): New static data member.
2246         (Free_list::init): New function.
2247         (Free_list::remove): New function.
2248         (Free_list::allocate): New function.
2249         (Free_list::dump): New function.
2250         (Free_list::print_stats): New function.
2251         (Layout_task_runner::run): Resize output file for incremental updates.
2252         (Layout::Layout): Initialize new data members.
2253         (Layout::set_incremental_base): New function.
2254         (Layout::init_fixed_output_section): New function.
2255         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2256         incremental updates.
2257         (Layout::create_gold_note): Do not create gold note section for
2258         incremental updates.
2259         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2260         for incremental updates.
2261         (Layout::set_section_offsets): For incremental updates, allocate space
2262         from free list.
2263         (Layout::create_symtab_sections): Layout with offsets relative to
2264         start of section; for incremental updates, allocate space from free
2265         list.
2266         (Layout::create_shdrs): For incremental updates, allocate space from
2267         free list.
2268         (Layout::finish_dynamic_section): For incremental updates, do not
2269         check --as-needed (fixed in subsequent patch).
2270         * layout.h (class Free_list): New class.
2271         (Layout::set_incremental_base): New function.
2272         (Layout::incremental_base): New function.
2273         (Layout::init_fixed_output_section): New function.
2274         (Layout::allocate): New function.
2275         (Layout::incremental_base_): New data member.
2276         (Layout::free_list_): New data member.
2277         * main.cc (main): Print Free_list statistics.
2278         * object.cc (Relobj::finalize_incremental_relocs): Add
2279         clear_counts parameter; clear counts only when clear_counts is set.
2280         (Sized_relobj::Sized_relobj): Initialize new base class.
2281         (Sized_relobj::do_layout): Don't report special sections.
2282         (Sized_relobj::do_for_all_local_got_entries): New function.
2283         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2284         symtab_off to all symbol table offsets.
2285         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2286         * object.h (class Got_offset_list): Move to top of file.
2287         (Object::Object): Allow case where input_file == NULL.
2288         (Object::~Object): Likewise.
2289         (Object::input_file): Assert that input_file != NULL.
2290         (Object::lock): Allow case where input_file == NULL.
2291         (Object::unlock): Likewise.
2292         (Object::is_locked): Likewise.
2293         (Object::token): Likewise.
2294         (Object::release): Likewise.
2295         (Object::is_incremental): New function.
2296         (Object::get_mtime): New function.
2297         (Object::for_all_local_got_entries): New function.
2298         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2299         (Object::set_is_in_system_directory): New function.
2300         (Object::is_in_system_directory): New function.
2301         (Object::do_is_incremental): New function.
2302         (Object::do_get_mtime): New function.
2303         (Object::do_for_all_local_got_entries): New function.
2304         (Object::is_in_system_directory_): New data member.
2305         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2306         (class Sized_relobj_base): New class.
2307         (class Sized_relobj): Derive from Sized_relobj_base.
2308         (class Sized_relobj::Symbols): Redeclare from base class.
2309         (class Sized_relobj::local_got_offset_list): Remove.
2310         (class Sized_relobj::Output_sections): Redeclare from base class.
2311         (class Sized_relobj::do_for_all_local_got_entries): New function.
2312         (class Sized_relobj::write_local_symbols): Add offset parameter.
2313         (class Sized_relobj::local_symbol_offset_): Update comment.
2314         (class Sized_relobj::local_dynsym_offset_): Update comment.
2315         * options.cc (Input_arguments::add_file): Remove const.
2316         * options.h (Input_file_argument::Input_file_argument):
2317         Initialize arg_serial_ (all constructors).
2318         (Input_file_argument::set_arg_serial): New function.
2319         (Input_file_argument::arg_serial): New function.
2320         (Input_file_argument::arg_serial_): New data member.
2321         (Input_arguments::Input_arguments): Initialize file_count_.
2322         (Input_arguments::add_file): Remove const.
2323         (Input_arguments::number_of_input_files): New function.
2324         (Input_arguments::file_count_): New data member.
2325         (Command_line::number_of_input_files): Call
2326         Input_arguments::number_of_input_files.
2327         * output.cc (Output_segment_headers::Output_segment_headers):
2328         Set current size.
2329         (Output_section::Input_section::current_data_size): New function.
2330         (Output_section::Output_section): Initialize new data members.
2331         (Output_section::add_input_section): Don't do merge sections for
2332         an incremental link; allocate space from free list for an
2333         incremental update.
2334         (Output_section::add_output_section_data): Allocate space from
2335         free list for an incremental update.
2336         (Output_section::update_data_size): New function.
2337         (Output_section::set_fixed_layout): New function.
2338         (Output_section::reserve): New function.
2339         (Output_segment::set_section_addresses): Remove const.
2340         (Output_segment::set_section_list_addresses): Remove const; allocate
2341         space from free list for an incremental update.
2342         (Output_segment::set_offset): Adjust size of RELRO segment for an
2343         incremental update.
2344         * output.h (Output_data::current_data_size): Move here from
2345         child classes.
2346         (Output_data::pre_finalize_data_size): New function.
2347         (Output_data::update_data_size): New function.
2348         (Output_section_headers::update_data_size): new function.
2349         (Output_section_data_build::current_data_size): Move to Output_data.
2350         (Output_data_strtab::update_data_size): New function.
2351         (Output_section::current_data_size): Move to Output_data.
2352         (Output_section::set_fixed_layout): New function.
2353         (Output_section::has_fixed_layout): New function.
2354         (Output_section::reserve): New function.
2355         (Output_section::update_data_size): New function.
2356         (Output_section::has_fixed_layout_): New data member.
2357         (Output_section::free_list_): New data member.
2358         (Output_segment::set_section_addresses): Remove const.
2359         (Output_segment::set_section_list_addresses): Remove const.
2360         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2361         New function.
2362         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2363         New function.
2364         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2365         parameter when calling Add_symbols constructor; store argument
2366         serial number for members of a lib group.
2367         (Add_symbols::locks): Allow case where token == NULL.
2368         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2369         (Read_member::~Read_member): New function.
2370         (Read_member::is_runnable): New function.
2371         (Read_member::locks): New function.
2372         (Read_member::run): New function.
2373         (Check_script::~Check_script): New function.
2374         (Check_script::is_runnable): New function.
2375         (Check_script::locks): New function.
2376         (Check_script::run): New function.
2377         (Check_library::~Check_library): New function.
2378         (Check_library::is_runnable): New function.
2379         (Check_library::locks): New function.
2380         (Check_library::run): New function.
2381         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2382         (Add_symbols::library_): New data member.
2383         (class Read_member): New class.
2384         (class Check_script): New class.
2385         (class Check_library): New class.
2386         * reloc.cc (Read_relocs::is_runnable): Allow case where
2387         token == NULL.
2388         (Read_relocs::locks): Likewise.
2389         (Scan_relocs::locks): Likewise.
2390         (Relocate_task::locks): Likewise.
2391         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2392         to clear counters.
2393         (Sized_relobj::incremental_relocs_scan): Fix comment.
2394         (Sized_relobj::do_relocate): Pass output file offset to
2395         write_local_symbols.
2396         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2397         from class declaration.
2398         * script.cc (read_input_script): Allocate Script_info; pass
2399         argument serial number to report_script.
2400         * script.h (class Script_info): Move to incremental.h.
2401         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2402         * symtab.h (Symbol_table::add_from_incrobj): New function.
2403         (Symbol_table::set_file_offset): New function.
2404
2405 2011-04-05  Cary Coutant  <ccoutant@google.com>
2406
2407         * incremental-dump.cc (dump_incremental_inputs): Change signature
2408         to take a Sized_incremental_binary; change caller.  Use readers
2409         in Sized_incremental_binary.
2410         * incremental.cc
2411         (Sized_incremental_binary::find_incremental_inputs_sections):
2412         Rename do_find_incremental_inputs_sections to this.
2413         (Sized_incremental_binary::setup_readers): New function.
2414         (Sized_incremental_binary::do_check_inputs): Check
2415         has_incremental_info_ flag; move setup code to setup_readers;
2416         use input readers.
2417         (Sized_incremental_binary::do_file_is_unchanged): New function.
2418         (Sized_incremental_binary::do_get_input_reader): New function.
2419         * incremental.h (class Incremental_binary): Move to end of file.
2420         (Incremental_binary::file_is_unchanged): New function.
2421         (Incremental_binary::do_file_is_unchanged): New function.
2422         (Incremental_binary::Input_reader): New class.
2423         (Incremental_binary::get_input_reader): New function.
2424         (class Sized_incremental_binary): Move to end of file.
2425         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2426         input section reader classes.
2427         (Sized_incremental_binary::has_incremental_info): New function.
2428         (Sized_incremental_binary::inputs_reader): New function.
2429         (Sized_incremental_binary::symtab_reader): New function.
2430         (Sized_incremental_binary::relocs_reader): New function.
2431         (Sized_incremental_binary::got_plt_reader): New function.
2432         (Sized_incremental_binary::do_file_is_unchanged): New function.
2433         (Sized_incremental_binary::Sized_input_reader): New class.
2434         (Sized_incremental_binary::get_input_reader): New function.
2435         (Sized_incremental_binary::find_incremental_inputs_sections):
2436         Rename do_find_incremental_inputs_sections to this.
2437         (Sized_incremental_binary::setup_readers): New function.
2438         (Sized_incremental_binary::has_incremental_info_): New data member.
2439         (Sized_incremental_binary::inputs_reader_): New data member.
2440         (Sized_incremental_binary::symtab_reader_): New data member.
2441         (Sized_incremental_binary::relocs_reader_): New data member.
2442         (Sized_incremental_binary::got_plt_reader_): New data member.
2443         (Sized_incremental_binary::current_input_file_): New data member.
2444
2445 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2446
2447         PR gold/12640
2448         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2449         violation.
2450
2451 2011-03-30  Cary Coutant  <ccoutant@google.com>
2452
2453         * archive.cc (Archive::include_member): Adjust call to report_object.
2454         (Add_archive_symbols::run): Add script_info to call to
2455         report_archive_begin.
2456         (Lib_group::include_member): Adjust call to report_object.
2457         (Add_lib_group_symbols::run): Adjust call to report_object.
2458         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2459         blocks.  Add object count for script input files.
2460         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2461         script_info parameter; change all callers.
2462         (Incremental_inputs::report_object): Add script_info parameter;
2463         change all callers.
2464         (Incremental_inputs::report_script): Store backpointer to
2465         incremental info entry.
2466         (Output_section_incremental_inputs::set_final_data_size): Record
2467         additional information for scripts.
2468         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2469         * incremental.h (Incremental_script_entry::add_object): New function.
2470         (Incremental_script_entry::get_object_count): New function.
2471         (Incremental_script_entry::get_object): New function.
2472         (Incremental_script_entry::objects_): New data member; adjust
2473         constructor.
2474         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2475         (Incremental_inputs::report_object): Add script_info parameter.
2476         (Incremental_inputs_reader::get_object_count): New function.
2477         (Incremental_inputs_reader::get_object_offset): New function.
2478         * options.cc (Input_arguments::add_file): Return reference to
2479         new input argument.
2480         * options.h (Input_argument::set_script_info): New function.
2481         (Input_argument::script_info): New function.
2482         (Input_argument::script_info_): New data member; adjust all
2483         constructors.
2484         (Input_file_group::add_file): Return reference to new input argument.
2485         (Input_file_lib::add_file): Likewise.
2486         (Input_arguments::add_file): Likewise.
2487         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2488         * script.cc (Parser_closure::Parser_closure): Add script_info
2489         parameter; adjust all callers.
2490         (Parser_closure::script_info): New function.
2491         (Parser_closure::script_info_): New data member.
2492         (read_input_script): Report scripts earlier to incremental info.
2493         (script_add_file): Set script_info in Input_argument.
2494         (script_add_library): Likewise.
2495         * script.h (Script_options::Script_info): Rewrite class.
2496
2497 2011-03-29  Cary Coutant  <ccoutant@google.com>
2498
2499         * archive.cc (Library_base::should_include_member): Move
2500         method here from class Archive.
2501         (Archive::Archive): Initialize base class.
2502         (Archive::should_include_member): Move to base class.
2503         (Archive::do_for_all_unused_symbols): New function.
2504         (Add_archive_symbols::run): Remove redundant access to
2505         incremental_inputs.
2506         (Lib_group::Lib_group): Initialize base class.
2507         (Lib_group::do_filename): New function.
2508         (Lib_group::include_member): Pass pointer to Lib_group to
2509         report_object.
2510         (Lib_group::do_for_all_unused_symbols): New function.
2511         (Add_lib_group_symbols::run): Report archive information for
2512         incremental links.
2513         * archive.h (class Library_base): New base class.
2514         (class Archive): Derive from Library_base.
2515         (Archive::filename): Move to base class.
2516         (Archive::set_incremental_info): Likewise.
2517         (Archive::incremental_info): Likewise.
2518         (Archive::Should_include): Likewise.
2519         (Archive::should_include_member): Likewise.
2520         (Archive::Armap_entry): Remove.
2521         (Archive::Unused_symbol_iterator): Remove.
2522         (Archive::unused_symbols_begin): Remove.
2523         (Archive::unused_symbols_end): Remove.
2524         (Archive::do_filename): New function.
2525         (Archive::do_get_mtime): New function.
2526         (Archive::do_for_all_unused_symbols): New function.
2527         (Archive::task_): Move to base class.
2528         (Archive::incremental_info_): Likewise.
2529         (class Lib_group): Derive from Library_base.
2530         (Lib_group::do_filename): New function.
2531         (Lib_group::do_get_mtime): New function.
2532         (Lib_group::do_for_all_unused_symbols): New function.
2533         (Lib_group::task_): Move to base class.
2534         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2535         function.
2536         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2537         function.
2538         * incremental.cc (Incremental_inputs::report_archive_begin):
2539         Use Library_base; call library's get_mtime; add incremental inputs
2540         entry before members.
2541         (class Unused_symbol_visitor): New class.
2542         (Incremental_inputs::report_archive_end): Use Library_base; use
2543         visitor class to record unused symbols; don't add incremental inputs
2544         entry after members.
2545         (Incremental_inputs::report_object): Use Library_base.
2546         * incremental.h
2547         (Incremental_archive_entry::Incremental_archive_entry): Remove
2548         unused Archive parameter.
2549         (Incremental_inputs::report_archive_begin): Use Library_base.
2550         (Incremental_inputs::report_archive_end): Likewise.
2551         (Incremental_inputs::report_object): Likewise.
2552         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2553         function.
2554         * object.h (Object::for_all_global_symbols): New function.
2555         (Object::do_for_all_global_symbols): New function.
2556         (Sized_relobj::do_for_all_global_symbols): New function.
2557         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2558         function.
2559         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2560         function.
2561
2562 2011-03-27  Ian Lance Taylor  <iant@google.com>
2563
2564         * archive.cc (Archive::interpret_header): Return -1 if something
2565         goes wrong.  Change callers accordingly.
2566
2567 2011-03-25  Cary Coutant  <ccoutant@google.com>
2568
2569         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2570         * testsuite/Makefile.in: Regenerate.
2571
2572 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2573
2574         * plugin.cc (get_view): New.
2575         (Plugin::load): Pass get_view to the plugin.
2576         (Plugin_manager::get_view): New.
2577
2578 2011-03-21  Ian Lance Taylor  <iant@google.com>
2579
2580         * testsuite/final_layout.sh: Rewrite to not use dc.
2581         * testsuite/relro_test.sh: Fail if dc is not present.
2582
2583 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2584
2585         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2586         Change == to -eq.
2587         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2588         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2589         Change == to -eq.
2590         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2591         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2592
2593 2011-03-14  Ian Lance Taylor  <iant@google.com>
2594
2595         * script-sections.cc (Sort_output_sections::script_compare):
2596         Rename from is_before, change return type.
2597         (Sort_output_sections::operator()): Adjust accordingly.
2598
2599 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2600
2601         PR gold/12572
2602         * testsuite/odr_violation2.cc: Add comment to make all error line
2603         numbers double digits.
2604         * testsuite/debug_msg.sh: Adjust expected errors.
2605
2606 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2607
2608         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2609         but mark earlier ones as non-canonical
2610         (offset_to_iterator): Update search target and example
2611         (do_addr2line): Return extra lines in a vector*
2612         (format_file_lineno): Extract from do_addr2line
2613         (one_addr2line): Add vector* out-param
2614         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2615         when a lineno entry appeared last for its instruction
2616         (Dwarf_line_info): Add vector* out-param
2617         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2618         * symtab.cc (Odr_violation_compare): Include the lineno in the
2619         comparison again.
2620         (linenos_from_loc): New. Combine the canonical line for an
2621         address with its other lines.
2622         (True_if_intersect): New. Helper functor to make
2623         std::set_intersection a query.
2624         (detect_odr_violations): Compare sets of lines instead of just
2625         one line for each function. This became less deterministic, but
2626         has fewer false positives.
2627         * symtab.h: Declarations.
2628         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2629         mix an optimized and non-optimized object in the same binary
2630         (odr_violation2.so): Same.
2631         * testsuite/Makefile.in: Regenerate from Makefile.am.
2632         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2633         * testsuite/debug_msg.sh: Update line numbers and add
2634         assertions.
2635         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2636         non-optimized context.
2637         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2638         isn't inlined, and use OdrDerived in an optimized context.
2639         * testsuite/odr_header1.h: Defines OdrDerived, where
2640         optimization will change the
2641         first-instruction-in-the-destructor's file and line number.
2642         * testsuite/odr_header2.h: Defines OdrBase.
2643
2644 2011-03-09  Ian Lance Taylor  <iant@google.com>
2645
2646         * fileread.cc (File_read::clear_views): Don't delete the whole
2647         file view.
2648
2649 2011-03-08  Ian Lance Taylor  <iant@google.com>
2650
2651         PR gold/12525
2652         * fileread.cc: #include <climits>.
2653         (GOLD_IOV_MAX): Define.
2654         (File_read::read_multiple): Limit number of entries by iov_max.
2655         * fileread.h (class File_read): Always set max_readv_entries to
2656         128.
2657
2658 2011-03-07  Ian Lance Taylor  <iant@google.com>
2659
2660         PR gold/12525
2661         * options.h (class General_options): Add -dy and -dn.
2662
2663 2011-03-02  Cary Coutant  <ccoutant@google.com>
2664
2665         * testsuite/script_test_9.t: Add TLS segment.
2666
2667 2011-03-02  Simon Baldwin  <simonb@google.com>
2668
2669         * configure.ac: Add check for gnu_indirect_function support in
2670         the toolchain building binutils.
2671         * configure: Rebuild.
2672
2673 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2674
2675         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2676         plugin only symbols.
2677         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2678         in plugin files as not needed in the symbol table.
2679
2680 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2681
2682         * output.cc (Output_section::add_input_section): Delay fill
2683         generation for section ordering.
2684
2685 2011-02-09  Ian Lance Taylor  <iant@google.com>
2686
2687         PR gold/12316
2688         * object.h (class Sized_relobj): Remove clear_local_symbols.
2689         * reloc.cc (Sized_relobj::do_relocate): Don't call
2690         clear_local_symbols.
2691
2692 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2693
2694         * plugin.cc (is_visible_from_outside): Return true for symbols
2695         in the -u option.
2696
2697 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2698
2699         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2700         filename.
2701
2702 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2703
2704         * icf.h (is_section_foldable_candidate): Change type of parameter
2705         to std::string.
2706         * icf.cc (Icf::find_identical_sections): Change type of local variable
2707         section_name to be std::string.
2708         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2709
2710 2011-01-25  Ian Lance Taylor  <iant@google.com>
2711
2712         * script.cc (script_add_extern): Rewrite to use
2713         add_symbol_reference.
2714
2715 2011-01-25  Doug Kwan  <dougkwan@google.com>
2716
2717         * icf.cc (get_section_contents): Always lock section's object.
2718
2719 2011-01-24  Ian Lance Taylor  <iant@google.com>
2720
2721         * options.h (class General_options): Accept
2722         --no-detect-odr-violations.
2723
2724 2011-01-24  Ian Lance Taylor  <iant@google.com>
2725
2726         * version.cc (version_string): Bump to 1.11.
2727
2728 2011-01-24  Ian Lance Taylor  <iant@google.com>
2729
2730         * plugin.cc (class Plugin_rescan): Define new class.
2731         (Plugin_manager::claim_file): Set any_claimed_.
2732         (Plugin_manager::save_archive): New function.
2733         (Plugin_manager::save_input_group): New function.
2734         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2735         necessary.
2736         (Plugin_manager::new_undefined_symbol): New function.
2737         (Plugin_manager::rescan): New function.
2738         (Plugin_manager::rescannable_defines): New function.
2739         (Plugin_manager::add_input_file): Set any_added_.
2740         * plugin.h (class Plugin_manager): define new fields rescannable_,
2741         undefined_symbols_, any_claimed_, and any_added_.  Declare
2742         Plugin_rescan as friend.  Declare new functions.
2743         (Plugin_manager::Rescannable): Define type.
2744         (Plugin_manager::Rescannable_list): Define type.
2745         (Plugin_manager::Undefined_symbol_list): Define type.
2746         (Plugin_manager::Plugin_manager): Initialize new fields.
2747         * archive.cc (Archive::defines_symbol): New function.
2748         (Add_archive_symbols::run): Pass archive to plugins if any.
2749         * archive.h (class Archive): Declare defines_symbol.
2750         * readsyms.cc (Input_group::~Input_group): New function.
2751         (Finish_group::run): Pass input_group to plugins if any.
2752         * readsyms.h (class Input_group): Declare destructor.
2753         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2754         any.
2755
2756 2011-01-10  Ian Lance Taylor  <iant@google.com>
2757
2758         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2759         section as relro.
2760         (Layout::set_segment_offsets): Reset increase_relro before calling
2761         set_section_addresses a second time.
2762
2763 2011-01-04  Cary Coutant  <ccoutant@google.com>
2764
2765         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2766         sections before NOBITS sections.
2767
2768 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2769
2770         * version.cc (print_version): Update copyright to 2011.
2771
2772 2010-12-23  Cary Coutant  <ccoutant@google.com>
2773
2774         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2775         of OS to this->add.  Add OD parameter to second form of the function.
2776
2777 2010-12-20  Ian Lance Taylor  <iant@google.com>
2778
2779         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2780         second of two consecutive entries with same offset.
2781
2782 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2783
2784         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2785         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2786         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2787         to avoid unneeded links against $(LDADD).
2788         * testsuite/Makefile.in: Regenerate.
2789
2790 2010-12-15  Ian Lance Taylor  <iant@google.com>
2791
2792         PR gold/12324
2793         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2794         for R_X86_64_32 and R_X86_64_PC32.
2795         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2796         ver_matching_def_pic.o.
2797         (ver_matching_def_pic.o): New target.
2798
2799 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2800
2801         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2802         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2803         Move definition before File_read::View member definitions.
2804         (File_read::View::~View): Initialize and hold lock before
2805         updating current_mapped_bytes.
2806
2807 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2808
2809         * dwarf_reader.cc: Remove outdated comment.
2810         * gold-threads.cc: Fix typo in error message.
2811         * archive.cc: Fix typos in comments.
2812         * archive.h: Likewise.
2813         * arm-reloc-property.cc: Likewise.
2814         * arm-reloc-property.h: Likewise.
2815         * arm-reloc.def: Likewise.
2816         * arm.cc: Likewise.
2817         * attributes.h: Likewise.
2818         * cref.cc: Likewise.
2819         * ehframe.cc: Likewise.
2820         * fileread.h: Likewise.
2821         * gold.h: Likewise.
2822         * i386.cc: Likewise.
2823         * icf.cc: Likewise.
2824         * incremental.h: Likewise.
2825         * int_encoding.cc: Likewise.
2826         * layout.h: Likewise.
2827         * main.cc: Likewise.
2828         * merge.h: Likewise.
2829         * object.cc: Likewise.
2830         * object.h: Likewise.
2831         * options.cc: Likewise.
2832         * readsyms.cc: Likewise.
2833         * reduced_debug_output.cc: Likewise.
2834         * reloc.cc: Likewise.
2835         * script-sections.cc: Likewise.
2836         * sparc.cc: Likewise.
2837         * symtab.h: Likewise.
2838         * target-reloc.h: Likewise.
2839         * target.cc: Likewise.
2840         * target.h: Likewise.
2841         * timer.cc: Likewise.
2842         * timer.h: Likewise.
2843         * x86_64.cc: Likewise.
2844
2845 2010-12-09  Cary Coutant  <ccoutant@google.com>
2846
2847         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2848         stack.
2849         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2850         parameter; change all callers.
2851         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2852         * options.h (warn_execstack): New option.
2853
2854 2010-12-07  Doug Kwan  <dougkwan@google.com>
2855
2856         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2857         like function call relocations.
2858
2859 2010-12-07  Ian Lance Taylor  <iant@google.com>
2860
2861         * archive.cc (Archive::get_elf_object_for_member): Permit
2862         punconfigured to be NULL.
2863         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2864         (Archive::include_member): Pass NULL to get_elf_object_for_member
2865         if we searched for the archive and this is the first included
2866         object.
2867
2868 2010-12-01  Ian Lance Taylor  <iant@google.com>
2869
2870         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2871         track_relocs_type_ field.
2872         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2873         Set track_relocs_type_.
2874         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2875         contents when using RELA relocs.
2876         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2877         reloc_map_.
2878         * reloc.cc (Track_relocs::next_addend): New function.
2879         * reloc.h (class Track_relocs): Declare next_addend.
2880
2881 2010-12-01  Ian Lance Taylor  <iant@google.com>
2882
2883         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2884         virtual destructor.
2885
2886 2010-12-01  Ian Lance Taylor  <iant@google.com>
2887
2888         * README: Update compilers known to work and fail.
2889
2890 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2891
2892         * configure.in: For --enable-gold, handle value `default' instead of
2893         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2894         not the default.
2895         * configure: Regenerate.
2896
2897 2010-11-18  Doug Kwan  <dougkwan@google.com>
2898
2899         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2900         and right_alignment to be zero.  Store result alignment only if it is
2901         greater than existing alignment.
2902
2903 2010-11-16  Cary Coutant  <ccoutant@google.com>
2904
2905         PR gold/12220
2906         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2907         Check for ".zdebug_line".
2908
2909 2010-11-16  Doug Kwan  <dougkwan@google.com>
2910             Cary Coutant  <ccoutant@google.com>
2911
2912         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2913         by reference; adjust all callers.
2914         * output.cc (Output_segment::set_section_addresses): Adjust references
2915         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2916         list is empty.
2917         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2918         end at page boundary.
2919
2920 2010-11-16  Cary Coutant  <ccoutant@google.com>
2921
2922         PR gold/12220
2923         * layout.cc (Layout::choose_output_section): Transform names of
2924         compressed sections even when using a script with a SECTIONS clause.
2925         (Layout::output_section_name): Remove code to transform
2926         compressed debug section names.
2927         * output.cc (Output_section::add_input_section): Use uncompressed
2928         section size when tracking input sections.
2929
2930 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2931
2932         * symtab.h (Symbol::NON_PIC_REF): Remove.
2933         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2934         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2935         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2936         (Symbol::use_plt_offset): Take a flags argument and pass it
2937         directly to needs_dynamic_reloc.  Restrict check for undefined
2938         weak symbols to function calls.
2939         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2940         (Target_arm::Scan::global): Use it.
2941         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2942         (Target_arm::Relocate::relocate): Likewise.
2943         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2944         parameter with an r_type parameter.  Use get_reference_flags
2945         to get the flags.
2946         (Target_arm::Relocate::relocate): Update accordingly.
2947         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2948         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2949         (Target_i386::Scan::global): Likewise.
2950         (Target_i386::Relocate::relocate): Likewise.
2951         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2952         parameter with an r_type parameter.  Use get_reference_flags
2953         to get the flags.
2954         (Target_i386::Relocate::relocate): Update accordingly.
2955         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2956         (Target_powerpc::Scan::global): Use it.
2957         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2958         (Target_powerpc::Relocate::relocate): Likewise.
2959         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2960         (Target_sparc::Scan::global): Use it.
2961         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2962         (Target_sparc::Relocate::relocate): Likewise.
2963         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2964         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2965         (Target_x86_64::Scan::global): Likewise.
2966         (Target_x86_64::Relocate::relocate): Likewise.
2967
2968 2010-11-08  Doug Kwan  <dougkwan@google.com>
2969             Cary Coutant  <ccoutant@google.com>
2970
2971         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2972         (Arm_exidx_merge_section::section_contents_): New data member.
2973         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2974         (Arm_input_section::~Arm_input_section): De-allocate memory.
2975         (Arm_input_section::original_contents_): New data member.
2976         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2977         in parameters instead of calling Object::section_contents without
2978         locking.
2979         (Arm_output_section::group_section): New parameter TASK.  Pass it
2980         to callees that need locking objects.
2981         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2982         to lock EXIDX input sections.  Fix a formatting issue.  Call
2983         Arm_exidx_merged_section::build_contents to create merged section
2984         contents.
2985         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2986         to lock object of stub table owner.
2987         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2988         TEXT_SIZE to initialize data member TEXT_SIZE_.
2989         (Arm_exidx_input_section::addralign): Fix typo in comment.
2990         (Arm_exidx_input_section::text_size): New method.
2991         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2992         that require locking objects.  Lock objects before scanning for stubs
2993         and updating local symbols.
2994         (Arm_input_section<big_endian>::init): Copy contents of original
2995         input section.
2996         (Arm_input_section<big_endian>::do_write): Use saved contents of
2997         original input section instead of calling Object::section_contents
2998         without locking.
2999         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3000         size without calling Object::section_size().
3001         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3002         for size.  Allocate a buffer for merged EXIDX entries.
3003         (Arm_exidx_merged_section::build_contents): New method.
3004         (Arm_exidx_merged_section::do_write): Move merge section contents
3005         building code to Arm_exidx_merged_section::build_contetns.  Write
3006         out contetns in buffer instead of building it on the fly.
3007         (Arm_relobj::make_exidx_input_section): Also pass text section size
3008         to Arm_exidx_input_section constructor.
3009         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3010         (Arm_dynobj::do_read_symbols): Fix memory leak.
3011         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3012         * target.h: (class Task): Add forward declaration.
3013         (Target::relax): Add new parameter TASK and pass it to
3014         Target::do_relax().
3015         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3016
3017 2010-11-05  Cary Coutant  <ccoutant@google.com>
3018
3019         PR gold/10708
3020         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3021         object when reading from the file.
3022         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3023         second layout pass.
3024         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3025         when reading section contents.
3026         (get_section_contents): Likewise.
3027         (icf::find_identical_sections): Likewise.
3028         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3029         object when reading from the file.
3030         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3031         the object when doing deferred section layout.
3032
3033 2010-11-03  Nick Clifton  <nickc@redhat.com>
3034
3035         PR gold/12001
3036         * script.h (class Symbol_assignment: name): New member.  Returns
3037         the name of the symbol.
3038         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3039         Returns true if the given symbol name is on the list of
3040         assignments wating to be processed.
3041         * archive.cc (should_incldue_member): If the symbol is undefined,
3042         check to see if it is on the list of symbols pending assignment.
3043
3044 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3045
3046         * script-sections.cc (Script_sections::find_memory_region): Check
3047         for a NULL output section pointer.
3048
3049 2010-10-29  Doug Kwan  <dougkwan@google.com>
3050
3051         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3052         Output_section::add_relaxed_input_section.
3053         * output.cc (Output_section::add_relaxed_input_section): Add new
3054         arguments LAYOUT and NAME.  Set section order index.
3055         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3056         Copy section order index.
3057         * output.h (Output_section::add_relaxed_input_section): Add new
3058         arguments LAYOUT and NAME.
3059
3060 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3061
3062         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3063         NATIVE_OR_CROSS_LINKER.
3064         * testsuite/Makefile.in: Regenerate.
3065
3066 2010-10-20  Doug Kwan  <dougkwan@google.com>
3067
3068         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3069         without SHF_LINK_ORDER flags.
3070         * layout.cc (Layout::choose_output_section): Do not filter
3071         SHF_LINK_ORDER flag in a relocatable link.
3072
3073 2010-10-17  Cary Coutant  <ccoutant@google.com>
3074
3075         * output.h (Output_segment::set_section_addresses): Change function
3076         signature.  Update all callers.
3077         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3078         sections.
3079         (Output_segment::set_section_addresses): Align after last TLS
3080         section.  Add padding before last relro section instead of after.
3081
3082 2010-10-17  Doug Kwan  <dougkwan@google.com>
3083
3084         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3085         GOT output section to be writable.
3086
3087 2010-10-14  Cary Coutant  <ccoutant@google.com>
3088
3089         * debug.h (DEBUG_INCREMENTAL): New flag.
3090         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3091         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3092         mode.
3093         * incremental.cc (report_command_line): Ignore all forms of
3094         --incremental.
3095         * layout.cc (Layout::Layout): Check parameters for incremental link
3096         mode.
3097         * options.cc (General_options::parse_incremental): New function.
3098         (General_options::parse_no_incremental): New function.
3099         (General_options::parse_incremental_full): New function.
3100         (General_options::parse_incremental_update): New function.
3101         (General_options::incremental_mode_): New data member.
3102         (General_options::finalize): Check incremental_mode_.
3103         * options.h (General_options): Update help text for --incremental.
3104         Add --no-incremental, --incremental-full, --incremental-update.
3105         (General_options::Incremental_mode): New enum type.
3106         (General_options::incremental_mode): New function.
3107         (General_options::incremental_mode_): New data member.
3108         * parameters.cc (Parameters::incremental_mode_): New data member.
3109         (Parameters::set_options): Set incremental_mode_.
3110         (Parameters::set_incremental_full): New function.
3111         (Parameters::incremental): New function.
3112         (Parameters::incremental_update): New function.
3113         (set_parameters_incremental_full): New function.
3114         * parameters.h (Parameters::set_incremental_full): New function.
3115         (Parameters::incremental): New function.
3116         (Parameters::incremental_update): New function.
3117         (Parameters::incremental_mode_): New data member.
3118         (set_parameters_incremental_full): New function.
3119         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3120         incremental link mode.
3121         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3122         (Sized_relobj::do_relocate_sections): Likewise.
3123         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3124         option.
3125         * testsuite/Makefile.in: Regenerate.
3126         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3127
3128 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3129
3130         * script-sections.h (class Script_sections): Make
3131         Sections_elements typedef public.
3132         * script-sections.cc (class Sort_output_sections): Add elements_
3133         field.  Add constructor which sets it; change all callers.
3134         (Sort_output_sections::is_before): New function.
3135         (Sort_output_sections::operator()): Call is_before.
3136         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3137         conditional.
3138         * testsuite/script_test_10.sh: New test. Test script section
3139         order.
3140         * testsuite/script_test_10.t: Likewise.
3141         * testsuite/script_test_10.s: Likewise.
3142         * testsuite/Makefile.am: Wrap the cross linker tests and the
3143         common tests into NATIVE_OR_CROSS_LINKER.
3144         (check_SCRIPTS): Add script_test_10.sh.
3145         (check_DATA): Add script_test_10.stdout.
3146         (script_test_10.o, script_test_10): New targets.
3147         (script_test_10.stdout): New target.
3148         * configure, testsuite/Makefile.in: Regenerate.
3149
3150 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3151
3152         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3153         error for the deprecated relocations.
3154         (Target_arm::Scan::global): Likewise.
3155         (Target_arm::Relocate::relocate): Likewise.
3156
3157 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3158
3159         * fileread.cc (Input_file::find_file): Initialize *found_name
3160         and *namep when using the fallback search for case 4.
3161
3162 2010-10-11  Cary Coutant  <ccoutant@google.com>
3163
3164         * options.h (class General_options): Redefine -z lazy as an alias for
3165         the negation of -z now.
3166
3167 2010-10-11  Ian Lance Taylor  <iant@google.com>
3168
3169         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3170         binding.
3171
3172 2010-10-06  Nick Clifton  <nickc@redhat.com>
3173
3174         * script-sections.cc(class Memory_region): Remove
3175         current_lma_offset_ field.  Rename current_vma_offset_ to
3176         current_offset_.  Add last_section_ field.
3177         (Memory_region::get_current_vma_address): Rename to
3178         get_current_address.
3179         (Memory_region::get_current_lma_address): Delete.
3180         (Memory_region::increment_vma_offset): Rename to
3181         increment_offset.
3182         (Memory_region::increment_lma_offset): Delete.
3183         (Memory_region::attributes_compatible): New method.  Returns
3184         true if the provided section is compatible with the region.
3185         (Memory_region::get_last_section): New method.  Returns the last
3186         section to use the region.
3187         (Memory_region::set_last_section): New method.  Stores the last
3188         section to use the region.
3189         (Script_sections::block_in_region): New method.  Returns true if
3190         a block of memory is contained within a region.
3191         (Script_sections::find_memory_region): New method.  Locates a
3192         memory region to be used to set a VMA or LMA address.
3193         (Output_section_definition::set_section_addresses): Add code to
3194         check for addresses set by memory regions.
3195         (Output_segment::set_section_addresses): Remove memory region
3196         walking code.
3197         (Script_sections::create_segment): Add a warning if a header
3198         segment is created outside of any region.
3199         * script-sections.h (class Script_sections): Add prototypes for
3200         find_memory_region and block_in_region methods.
3201         * testsuite/memory_test.s: Use .long instead of .word.
3202         * testsuite/memory_test.t: Add some more output sections.
3203         * testsuite/memory_test.sh: Update expected output.
3204
3205 2010-10-02  Doug Kwan  <dougkwan@google.com>
3206
3207         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3208         defintion to symtab.h
3209         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3210         declaration to defintion.
3211
3212 2010-10-01  Nick Clifton  <nickc@redhat.com>
3213
3214         * expression.cc (eval): Replace dummy argument with NULL.
3215         (eval_maybe_dot): Check for a NULL result section pointer.
3216         (Symbol_expression::value): Likewise.
3217         (Dot_expression::value): Likewise.
3218         (BINARY_EXPRESSION): Likewise.
3219         (Max_expression::value): Likewise.
3220         (Min_expression::value): Likewise.
3221         (Absolute_expression::value): Likewise.
3222         (Addr_expression::value_from_output_section): Likewise.
3223         (Loaddddr_expression::value_from_output_section): Likewise.
3224         (Segment_start_expression::value): Likewise.
3225         * script-sections.cc
3226         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3227         argument with NULL.
3228         (Sections_elememt_dot_assignment::set_section_addresses):
3229         Likewise.
3230         (Output_data_expression::do_write_to_buffer): Likewise.
3231         (Output_section_definition::finalize_symbols): Likewise.
3232         (Output_section_definition::set_section_addresses): Likewise.
3233
3234 2010-09-30  Doug Kwan  <dougkwan@google.com>
3235
3236         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3237
3238 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3239
3240         * target.h (Target::can_icf_inline_merge_sections): New virtual
3241         function.
3242         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3243         virtual function.
3244         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3245         virtual function.
3246         * icf.cc (get_section_contents): Inline merge sections only when
3247         target allows it.
3248
3249 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3250
3251         * configure: Regenerate.
3252
3253 2010-09-17  Ian Lance Taylor  <iant@google.com>
3254
3255         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3256         * testsuite/Makefile.am (memory_test.o): New target.
3257         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3258         memory_test.t.
3259         * testsuite/Makefile.in: Rebuild.
3260
3261 2010-09-17  Doug Kwan  <dougkwan@google.com>
3262
3263         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3264         defintion if relocation uses GOT entries of the symbol.
3265         * testsuite/icf_safe_test.sh: Fix test.
3266         * testsuite/icf_safe_so_test.sh: Fix test.
3267
3268 2010-09-16  Cary Coutant  <ccoutant@google.com>
3269
3270         * script_sections.cc (class Memory_region): Remove "NULL" from
3271         vector initializations.
3272
3273 2010-09-15  Cary Coutant  <ccoutant@google.com>
3274
3275         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3276         Resolve forwarding symbols.
3277
3278 2010-09-15  Doug Kwan  <dougkwan@google.com>
3279
3280         * gold/testsuite/script_test_3.t: Add ARM special sections.
3281         * gold/testsuite/script_test_4.t: Same.
3282         * gold/testsuite/script_test_5.t: Same.
3283         * gold/testsuite/script_test_6.t: Same.
3284         * gold/testsuite/script_test_7.t: Same.
3285         * gold/testsuite/script_test_7.t: Same.
3286         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3287
3288 2010-09-14  Cary Coutant  <ccoutant@google.com>
3289
3290         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3291         (Target_x86_64::Relocate::relocate_tls): Replace check for
3292         saw_tls_block_reloc_ with test for executable section.
3293
3294 2010-09-12  Cary Coutant  <ccoutant@google.com>
3295
3296         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3297         position-independent executables to shared libraries need dynamic
3298         relocations.
3299         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3300         position-independent executables.
3301         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3302         * testsuite/Makefile.in: Regenerate.
3303
3304 2010-09-10  Nick Clifton  <nickc@redhat.com>
3305
3306         PR gold/11997
3307         * testsuite/memory_test.t: Discard any sections that are not
3308         needed.
3309
3310 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3311
3312         PR gold/11996
3313         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3314         "This::" to work around a bug in gcc 4.2.
3315
3316         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3317
3318 2010-09-09  Rafael Espindola  <espindola@google.com>
3319
3320         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3321         sections with different PF_X flags in the same segment.
3322         (Layout::find_first_load_seg): Search all segments to find the first
3323         one.
3324         * options.h (rosegment): New.
3325
3326 2010-09-08  Rafael Espindola  <espindola@google.com>
3327
3328         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3329
3330 2010-09-08  Doug Kwan  <dougkwan@google.com>
3331
3332         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3333         (Arm_relobj::do_relocate_sections): Add new parameter for output
3334         file to match the parent.
3335         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3336         of local symbols instead of input values.  Update code to track
3337         changes in gold::relocate_section.
3338         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3339         (Sized_relobj::compute_final_local_value_internal): New methods.
3340         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3341         body into private version of Sized_relobj::compute_final_local_value.
3342         Call the inline method.
3343         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3344         merged symbol value if there is one.
3345         (Symbol_value::has_output_value): New method defintiion.
3346         (Sized_relobj::Compute_final_local_value_status): New enum type.
3347         (Sized_relobj::compute_final_local_value): New methods.
3348         (Sized_relobj::compute_final_local_value_internal): New methods.
3349         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3350         and arm_cortex_a8.sh.
3351         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3352         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3353         New tests.
3354         * Makefile.in: Regenerate.
3355         * testsuite/arm_bl_out_of_range.s: Update test.
3356         * testsuite/thumb_bl_out_of_range.s: Ditto.
3357         * testsuite/thumb_blx_out_of_range.s: Ditto.
3358         * testsuite/arm_branch_out_of_range.sh: New file.
3359         * testsuite/arm_cortex_a8.sh: Ditto.
3360         * testsuite/arm_cortex_a8_b.s: Ditto.
3361         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3362         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3363         * testsuite/arm_cortex_a8_bl.s: Ditto.
3364         * testsuite/arm_cortex_a8_blx.s: Ditto.
3365         * testsuite/arm_cortex_a8_local.s: Ditto.
3366         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3367         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3368
3369 2010-09-08  Rafael Espindola  <espindola@google.com>
3370
3371         * Makefile.am (memory_test.stdout): Run readelf with -W.
3372         * Makefile.in: Regenerate.
3373         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3374         64 bit output.
3375
3376 2010-09-08  Rafael Espindola  <espindola@google.com>
3377
3378         * script-sections.cc (Script_sections::add_memory_region): Convert
3379         field precision to int.
3380         * script.cc (script_set_section_region, script_set_section_region):
3381         Convert field precision to int.
3382
3383 2010-09-08  Rafael Espindola  <espindola@google.com>
3384
3385         * arm.cc (do_finalize_sections): Create the __exidx_start and
3386         __exdix_end symbols even when the section is missing.
3387
3388 2010-09-08  Nick Clifton  <nickc@redhat.com>
3389
3390         * README: Remove claim that MEMORY is not supported.
3391         * expression.cc (script_exp_function_origin)
3392         (script_exp_function_length): Move from here to ...
3393         * script.cc: ... here.
3394         (script_set_section_region, script_add_memory)
3395         (script_parse_memory_attr, script_include_directive): New
3396         functions.
3397         * script-sections.cc
3398         (class Memory_region): New class.
3399         (class Output_section_definition): Add set_memory_region,
3400         set_section_vma, set_section_lma and get_section_name methods.
3401         (class Script_Sections): Add add_memory_region,
3402         find_memory_region, find_memory_region_origin,
3403         find_memory_region_length and set_memory_region methods.
3404         Have set_section_addresses method walk the list of set memory
3405         regions.
3406         Extend the print methos to display memory regions.
3407         * script-sections.h: Add prototypes for new methods.
3408         Add enum for MEMORY region attributes.
3409         * yyscript.y: Add support for parsing MEMORY regions.
3410         * script-c.h: Add prototypes for new functions.
3411         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3412         * testsuite/Makefile.in: Regenerate.
3413         * testsuite/memory_test.sh: New script.
3414         * testsuite/memory_test.s: New assembler source file.
3415         * testsuite/memory_test.t: New linker script.
3416
3417 2010-08-27  Doug Kwan  <dougkwan@google.com>
3418
3419         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3420         reference override an existing dynamic weak reference.
3421         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3422         * testsuite/Makefile.in: Regenerate.
3423         * testsuite/dyn_weak_ref.sh: New file.
3424         * testsuite/dyn_weak_ref_1.c: Ditto.
3425         * testsuite/dyn_weak_ref_2.c: Ditto.
3426
3427 2010-08-27  Ian Lance Taylor  <iant@google.com>
3428
3429         * incremental.h (class Incremental_input_entry): Add virtual
3430         destructor.
3431
3432 2010-08-27  Ian Lance Taylor  <iant@google.com>
3433
3434         * testsuite/start_lib_test_3.c: Mark t3 as used.
3435
3436 2010-08-27  Nick Clifton  <nickc@redhat.com>
3437
3438         * options.cc (version_script): Fix small typo in previous
3439         whitespace tidyup.
3440
3441 2010-08-25  Nick Clifton  <nickc@redhat.com>
3442
3443         * archive.cc: Formatting fixes: Remove whitespace between
3444         typename and following asterisk.  Remove whitespace between
3445         function name and opening parenthesis.
3446         * archive.h: Likewise.
3447         * arm.cc: Likewise.
3448         * attributes.cc: Likewise.
3449         * attributes.h: Likewise.
3450         * common.cc: Likewise.
3451         * copy-relocs.cc: Likewise.
3452         * dirsearch.h: Likewise.
3453         * dynobj.cc: Likewise.
3454         * ehframe.cc: Likewise.
3455         * ehframe.h: Likewise.
3456         * expression.cc: Likewise.
3457         * fileread.cc: Likewise.
3458         * fileread.h: Likewise.
3459         * gc.h: Likewise.
3460         * gold-threads.cc: Likewise.
3461         * gold.cc: Likewise.
3462         * i386.cc: Likewise.
3463         * icf.h: Likewise.
3464         * incremental-dump.cc: Likewise.
3465         * incremental.cc: Likewise.
3466         * layout.cc: Likewise.
3467         * layout.h: Likewise.
3468         * main.cc: Likewise.
3469         * merge.cc: Likewise.
3470         * merge.h: Likewise.
3471         * object.cc: Likewise.
3472         * object.h: Likewise.
3473         * options.cc: Likewise.
3474         * options.h: Likewise.
3475         * output.cc: Likewise.
3476         * output.h: Likewise.
3477         * plugin.cc: Likewise.
3478         * plugin.h: Likewise.
3479         * powerpc.cc: Likewise.
3480         * reloc.cc: Likewise.
3481         * script-c.h: Likewise.
3482         * script-sections.cc: Likewise.
3483         * script.cc: Likewise.
3484         * stringpool.cc: Likewise.
3485         * symtab.cc: Likewise.
3486         * symtab.h: Likewise.
3487         * target.cc: Likewise.
3488         * timer.cc: Likewise.
3489         * timer.h: Likewise.
3490         * version.cc: Likewise.
3491         * x86_64.cc: Likewise.
3492
3493 2010-08-24  Nick Clifton  <nickc@redhat.com>
3494
3495         PR 11899
3496         * layout.cc (segment_precedes): Sort segments by their physical
3497         addresses, if they have been set.
3498
3499 2010-08-23  Cary Coutant  <ccoutant@google.com>
3500
3501         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3502         symbols data.
3503         (Lib_group::include_member): Unlock object after deleting its
3504         symbols data.
3505         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3506         the bug fixed here.
3507
3508 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3509             Cary Coutant  <ccoutant@google.com>
3510
3511         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3512         constructor, and set_blocker.
3513         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3514         readsyms_blocker_.
3515         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3516         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3517         * testsuite/Makefile.am (start_lib_test): New test case.
3518         * testsuite/Makefile.in: Regenerate.
3519         * testsuite/start_lib_test_main.c: New file.
3520         * testsuite/start_lib_test_1.c: New file.
3521         * testsuite/start_lib_test_2.c: New file.
3522         * testsuite/start_lib_test_3.c: New file.
3523
3524 2010-08-19  Ian Lance Taylor  <iant@google.com>
3525
3526         * Makefile.in: Rebuild with automake 1.11.1.
3527         * aclocal.m4: Likewise.
3528         * testsuite/Makefile.in: Likewise.
3529
3530 2010-08-19  Ian Lance Taylor  <iant@google.com>
3531
3532         PR 10893
3533         * i386.cc (class Output_data_plt_i386): Update declarations.
3534         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3535         local_ifuncs_ fields.
3536         (Target_i386::do_plt_section_for_global): New function.
3537         (Target_i386::do_plt_section_for_local): New function.
3538         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3539         parameter; change all callers.  Initialize global_ifuncs_ and
3540         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3541         __rel_iplt_end.
3542         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3543         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3544         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3545         symbols.
3546         (Target_i386::make_plt_section): New function, broken out of
3547         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3548         (Target_i386::make_plt_entry): Call make_plt_section.
3549         (Target_i386::make_local_ifunc_plt_entry): New function.
3550         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3551         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3552         R_386_IRELATIVE to switch.
3553         (Target_i386::Scan::global): Likewise.
3554         (Target_i386::Relocate::relocate): Likewise.
3555         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3556         switch.
3557         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3558         (Target_x86_64::do_plt_section_for_global): New function.
3559         (Target_x86_64::do_plt_section_for_local): New function.
3560         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3561         parameter; change all callers.  If doing a static link define
3562         __rela_iplt_start and __rela_iplt_end.
3563         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3564         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3565         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3566         to point to .plt.
3567         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3568         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3569         switch.
3570         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3571         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3572         R_X86_64_IRELATIVE to switch.
3573         (Target_x86_64::Scan::global): Likewise.
3574         (Target_x86_64::Relocate::relocate): Likewise.
3575         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3576         switch.
3577         * target.h (class Target): Add plt_section_for_global and
3578         plt_section_for_local functions.  Add do_plt_section_for_global
3579         and do_plt_section_for_local virtual functions.
3580         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3581         clarifying comments.
3582         (Symbol::use_plt_offset): Handle IFUNC symbol.
3583         * object.cc (Sized_relobj::Sized_relobj): Initialize
3584         local_plt_offsets_.
3585         (Sized_relobj::local_has_plt_offset): New function.
3586         (Sized_relobj::local_plt_offset): New function.
3587         (Sized_relobj::set_local_plt_offset): New function.
3588         (Sized_relobj::do_count): Handle IFUNC symbol.
3589         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3590         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3591         is_ifunc_symbol functions.
3592         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3593         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3594         local_plt_offsets_ field.
3595         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3596         * output.h (class Output_section_data): Add non-const
3597         output_section function.
3598         (class Output_data_got): Update declarations.
3599         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3600         Add use_plt_offset parameter to global and local constructors.
3601         Change all callers.  Change local_sym_index_ field to 31 bits.
3602         Change GSYM_CODE and CONSTANT_CODE accordingly.
3603         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3604         doing a static link don't set sh_link field.
3605         (Output_data_got::Got_entry::write): Use PLT offset if
3606         appropriate.
3607         (Output_data_got::add_global_plt): New function.
3608         (Output_data_got::add_local_plt): New function.
3609         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3610         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3611         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3612         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3613         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3614         IFUNC conditional.
3615         * testsuite/ifunc-sel.h: New file.
3616         * testsuite/ifuncmain1.c: New file.
3617         * testsuite/ifuncmain1vis.c: New file.
3618         * testsuite/ifuncmod1.c: New file.
3619         * testsuite/ifuncdep2.c: New file.
3620         * testsuite/ifuncmain2.c: New file.
3621         * testsuite/ifuncmain3.c: New file.
3622         * testsuite/ifuncmod3.c: New file.
3623         * testsuite/ifuncmain4.c: New file.
3624         * testsuite/ifuncmain5.c: New file.
3625         * testsuite/ifuncmod5.c: New file.
3626         * testsuite/ifuncmain6pie.c: New file.
3627         * testsuite/ifuncmod6.c: New file.
3628         * testsuite/ifuncmain7.c: New file.
3629         * configure, testsuite/Makefile.in: Rebuild.
3630
3631 2010-08-18  Ian Lance Taylor  <iant@google.com>
3632
3633         * incremental.cc
3634         (Output_section_incremental_inputs::write_input_files): Add cast
3635         to avoid signed/unsigned comparison warning.
3636         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3637
3638 2010-08-12  Cary Coutant  <ccoutant@google.com>
3639
3640         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3641
3642 2010-08-13  Ian Lance Taylor  <iant@google.com>
3643
3644         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3645
3646 2010-08-12  Cary Coutant  <ccoutant@google.com>
3647             Doug Kwan  <dougkwan@google.com>
3648
3649         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3650         defintion overrides non-weak undef, remember that the original undef
3651         is not weak.
3652         * symtab.cc (Symbol_table::sized_write_global): For undef without
3653         an original weak binding, set binding to global in output.
3654         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3655         * testsuite/Makefile.in: Regenerate.
3656         * testsuite/strong_ref_weak_def.sh: New file.
3657         * testsuite/strong_ref_weak_def_1.c: Ditto.
3658         * testsuite/strong_ref_weak_def_2.c: Ditto.
3659
3660 2010-08-12  Cary Coutant  <ccoutant@google.com>
3661
3662         * testsuite/incremental_test.sh: Rewrite.
3663         * testsuite/incremental_test_1.c: Rewrite.
3664         * testsuite/incremental_test_2.c: Rewrite.
3665
3666 2010-08-12  Cary Coutant  <ccoutant@google.com>
3667
3668         * arm.cc (Target_arm::got_size): Add const.
3669         (Target_arm::got_entry_count): New function.
3670         (Target_arm::plt_entry_count): New function.
3671         (Target_arm::first_plt_entry_offset): New function.
3672         (Target_arm::plt_entry_size): New function.
3673         (Output_data_plt_arm::entry_count): New function.
3674         (Output_data_plt_arm::first_plt_entry_offset): New function.
3675         (Output_data_plt_arm::get_plt_entry_size): New function.
3676         * i386.cc (Target_i386::got_size): Add const.
3677         (Target_i386::got_entry_count): New function.
3678         (Target_i386::plt_entry_count): New function.
3679         (Target_i386::first_plt_entry_offset): New function.
3680         (Target_i386::plt_entry_size): New function.
3681         (Output_data_plt_i386::entry_count): New function.
3682         (Output_data_plt_i386::first_plt_entry_offset): New function.
3683         (Output_data_plt_i386::get_plt_entry_size): New function.
3684         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3685         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3686         * incremental.cc: Include target.h.
3687         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3688         parameter.  Adjust all callers.  Find incremental_got_plt section.
3689         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3690         section.
3691         (Output_section_incremental_inputs::set_final_data_size): Calculate
3692         size of incremental_got_plt section.
3693         (Output_section_incremental_inputs::do_write): Write the
3694         incremental_got_plt section.
3695         (Got_plt_view_info): New struct.
3696         (Local_got_offset_visitor): New class.
3697         (Global_got_offset_visitor): New class.
3698         (Global_symbol_visitor_got_plt): New class.
3699         (Output_section_incremental_inputs::write_got_plt): New function.
3700         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3701         Add parameter.  Adjust all callers.
3702         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3703         (Incremental_inputs::got_plt_section): New function.
3704         (Incremental_inputs::got_plt_section_): New data member.
3705         (Incremental_got_plt_reader): New class.
3706         * layout.cc (Layout::create_incremental_info_sections): Add the
3707         incremental_got_plt section.
3708         * object.h (Got_offset_list::get_list): New function.
3709         (Got offset_list::for_all_got_offsets): New function.
3710         (Sized_relobj::local_got_offset_list): New function.
3711         * powerpc.cc (Target_powerpc::got_size): Add const.
3712         (Target_powerpc::got_entry_count): New function.
3713         (Target_powerpc::plt_entry_count): New function.
3714         (Target_powerpc::first_plt_entry_offset): New function.
3715         (Target_powerpc::plt_entry_size): New function.
3716         (Output_data_plt_powerpc::entry_count): New function.
3717         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3718         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3719         * sparc.cc (Target_sparc::got_size): Add const.
3720         (Target_sparc::got_entry_count): New function.
3721         (Target_sparc::plt_entry_count): New function.
3722         (Target_sparc::first_plt_entry_offset): New function.
3723         (Target_sparc::plt_entry_size): New function.
3724         (Output_data_plt_sparc::entry_count): New function.
3725         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3726         (Output_data_plt_sparc::get_plt_entry_size): New function.
3727         * symtab.h (Symbol::got_offset_list): New function.
3728         (Symbol_table::for_all_symbols): New function.
3729         * target.h (Sized_target::got_entry_count): New function.
3730         (Sized_target::plt_entry_count): New function.
3731         (Sized_target::plt_entry_size): New function.
3732         * x86_64.cc (Target_x86_64::got_size): Add const.
3733         (Target_x86_64::got_entry_count): New function.
3734         (Target_x86_64::plt_entry_count): New function.
3735         (Target_x86_64::first_plt_entry_offset): New function.
3736         (Target_x86_64::plt_entry_size): New function.
3737         (Output_data_plt_x86_64::entry_count): New function.
3738         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3739         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3740
3741 2010-08-12  Cary Coutant  <ccoutant@google.com>
3742
3743         * archive.cc: Include incremental.h.
3744         (Archive::Archive): Initialize incremental_info_.
3745         (Archive::include_member): Record archive members in incremental info.
3746         (Add_archive_symbols::run): Record begin and end of an archive in
3747         incremental info.
3748         (Lib_group::include_member): Record objects in incremental info.
3749         * archive.h (Incremental_archive_entry): Forward declaration.
3750         (Archive::set_incremental_info): New member function.
3751         (Archive::incremental_info): New member function.
3752         (Archive::Unused_symbol_iterator): New class.
3753         (Archive::unused_symbols_begin): New member function.
3754         (Archive::unused_symbols_end): New member function.
3755         (Archive::incremental_info_): New data member.
3756         * incremental-dump.cc (find_input_containing_global): New function.
3757         (dump_incremental_inputs): Dump new incremental info sections.
3758         * incremental.cc: Include symtab.h.
3759         (Output_section_incremental_inputs): New class.
3760         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3761         new incremental info sections.
3762         (Sized_incremental_binary::do_check_inputs): Likewise.
3763         (Incremental_inputs::report_archive): Remove.
3764         (Incremental_inputs::report_archive_begin): New function.
3765         (Incremental_inputs::report_archive_end): New function.
3766         (Incremental_inputs::report_object): New function.
3767         (Incremental_inputs::finalize_inputs): Remove.
3768         (Incremental_inputs::report_input_section): New function.
3769         (Incremental_inputs::report_script): Rewrite.
3770         (Incremental_inputs::finalize): Do nothing but finalize string table.
3771         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3772         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3773         (Incremental_inputs::create_data_sections): New function.
3774         (Incremental_inputs::relocs_entsize): New function.
3775         (Output_section_incremental_inputs::set_final_data_size): New function.
3776         (Output_section_incremental_inputs::do_write): New function.
3777         (Output_section_incremental_inputs::write_header): New function.
3778         (Output_section_incremental_inputs::write_input_files): New function.
3779         (Output_section_incremental_inputs::write_info_blocks): New function.
3780         (Output_section_incremental_inputs::write_symtab): New function.
3781         * incremental.h (Incremental_script_entry): Forward declaration.
3782         (Incremental_object_entry): Forward declaration.
3783         (Incremental_archive_entry): Forward declaration.
3784         (Incremental_inputs): Forward declaration.
3785         (Incremental_inputs_header_data): Remove.
3786         (Incremental_inputs_header): Remove.
3787         (Incremental_inputs_header_write): Remove.
3788         (Incremental_inputs_entry_data): Remove.
3789         (Incremental_inputs_entry): Remove.
3790         (Incremental_inputs_entry_write): Remove.
3791         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3792         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3793         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3794         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3795         Likewise.
3796         (Incremental_input_entry): New class.
3797         (Incremental_script_entry): New class.
3798         (Incremental_object_entry): New class.
3799         (Incremental_archive_entry): New class.
3800         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3801         (Incremental_inputs::report_inputs): Remove.
3802         (Incremental_inputs::report_archive): Remove.
3803         (Incremental_inputs::report_archive_begin): New function.
3804         (Incremental_inputs::report_archive_end): New function.
3805         (Incremental_inputs::report_object): Change prototype.
3806         (Incremental_inputs::report_input_section): New function.
3807         (Incremental_inputs::report_script): Change prototype.
3808         (Incremental_inputs::get_reloc_count): New function.
3809         (Incremental_inputs::set_reloc_count): New function.
3810         (Incremental_inputs::create_data_sections): New function.
3811         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3812         (Incremental_inputs::inputs_section): New function.
3813         (Incremental_inputs::symtab_section): New function.
3814         (Incremental_inputs::relocs_section): New function.
3815         (Incremental_inputs::get_stringpool): Add const.
3816         (Incremental_inputs::command_line): Add const.
3817         (Incremental_inputs::inputs): Remove.
3818         (Incremental_inputs::command_line_key): New function.
3819         (Incremental_inputs::input_file_count): New function.
3820         (Incremental_inputs::input_files): New function.
3821         (Incremental_inputs::relocs_entsize): New function.
3822         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3823         (Incremental_inputs::finalize_inputs): Remove.
3824         (Incremental_inputs::Input_info): Remove.
3825         (Incremental_inputs::lock_): Remove.
3826         (Incremental_inputs::inputs_): Change type.
3827         (Incremental_inputs::inputs_map_): Remove.
3828         (Incremental_inputs::current_object_entry_): New data member.
3829         (Incremental_inputs::inputs_section_): New data member.
3830         (Incremental_inputs::symtab_section_): New data member.
3831         (Incremental_inputs::relocs_section_): New data member.
3832         (Incremental_inputs::reloc_count_): New data member.
3833         (Incremental_inputs_reader): New class.
3834         (Incremental_symtab_reader): New class.
3835         (Incremental_relocs_reader): New class.
3836         * layout.cc (Layout::finalize): Move finalization of incremental info
3837         and creation of incremental info sections to follow finalization of
3838         symbol table.  Set offsets for postprocessing sections.
3839         (Layout::create_incremental_info_sections): Call
3840         Incremental_inputs::create_data_sections.  Add incremental symtab
3841         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3842         sections to layout after input sections.
3843         * layout.h (struct Timespec): Forward declaration.
3844         (Layout::incremental_inputs): Add const.
3845         (Layout::create_incremental_info_sections): Add parameter.
3846         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3847         * object.cc: Include incremental.h.
3848         (Relobj::finalize_incremental_relocs): New function.
3849         (Sized_relobj::do_layout): Record input sections in incremental info.
3850         * object.h (Object::output_section): New function.
3851         (Object::output_section_offset): Moved from Relobj.
3852         (Object::get_incremental_reloc_base): New function.
3853         (Object::get_incremental_reloc_count): New function.
3854         (Object::do_output_section): New function.
3855         (Object::do_output_section_offset): Moved from Relobj.
3856         (Object::do_get_incremental_reloc_base): New function.
3857         (Object::do_get_incremental_reloc_count): New function.
3858         (Object::Object): Initialize new data members.
3859         (Relobj::output_section): Renamed do_output_section and moved to
3860         protected.
3861         (Relobj::output_section_offset): Moved to Object.
3862         (Relobj::do_get_incremental_reloc_base): New function.
3863         (Relobj::do_get_incremental_reloc_count): New function.
3864         (Relobj::allocate_incremental_reloc_counts): New function.
3865         (Relobj::count_incremental_reloc): New function.
3866         (Relobj::finalize_incremental_relocs): New function.
3867         (Relobj::next_incremental_reloc_index): New function.
3868         (Relobj::reloc_counts_): New data member.
3869         (Relobj::reloc_bases_): New data member.
3870         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3871         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3872         (Sized_relobj::incremental_relocs_scan): New function.
3873         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3874         (Sized_relobj::incremental_relocs_write): New function.
3875         (Sized_relobj::incremental_relocs_write_reltype): New function.
3876         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3877         incremental link.
3878         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3879         archives and object files elsewhere.
3880         (Add_symbols::run): Report object files here.
3881         (Finish_group::run): Report end of archive at end of group.
3882         * reloc.cc: Include layout.h, incremental.h.
3883         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3884         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3885         (Sized_relobj::incremental_relocs_scan): New function.
3886         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3887         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3888         (Sized_relobj::incremental_relocs_write): New function.
3889         (Sized_relobj::incremental_relocs_write_reltype): New function.
3890         * script.cc (read_input_script): Rewrite test for incremental link.
3891         Change call to Incremental_inputs::report_script.
3892         * symtab.h (Symbol_table::first_global_index): New function.
3893         (Symbol_table::output_count): New function.
3894
3895 2010-08-12  Doug Kwan  <dougkwan@google.com>
3896
3897         * arm.cc (Target_arm::merge_object_attributes): Check command line
3898         options --no-wchar-size-warning and --no-enum-size-warning.
3899         * options.h (General_options): Add ld-compatible options
3900         --no-enum-size-warning and --no-wchar-size-warning.
3901
3902 2010-08-04  Ian Lance Taylor  <iant@google.com>
3903
3904         * x86_64.cc (Target_x86_64::Scan::local): Use
3905         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3906         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3907         (Target_x86_64::Scan::global): Likewise.
3908         (Target_x86_64::Relocate::relocate): Likewise.
3909         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3910         Likewise.
3911
3912 2010-08-03  Cary Coutant  <ccoutant@google.com>
3913
3914         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3915         to reserve space in merged_strings vector. Keep total input size
3916         for stats.
3917         (Output_merge_string::do_print_merge_stats): Print total input size.
3918         * merge.h (Output_merge_string): Add input_size_ field.
3919         * stringpool.cc (Stringpool_template::string_length): Move
3920         implementations out of Stringpool_template class and place in
3921         stringpool.h.
3922         * stringpool.h (string_length): Move out of Stringpool_template.
3923
3924 2010-08-03  Ian Lance Taylor  <iant@google.com>
3925
3926         PR 11712
3927         * layout.cc (relaxation_loop_body): If address of load segment is
3928         set, adjust address to include headers if possible.
3929
3930 2010-08-03  Ian Lance Taylor  <iant@google.com>
3931
3932         * version.cc (version_string): Bump to 1.10.
3933
3934 2010-08-03  Ian Lance Taylor  <iant@google.com>
3935
3936         PR 11805
3937         * layout.h (enum Output_section_order): Define.
3938         (class Layout): Update declarations.
3939         * layout.cc (Layout::get_output_section): Add order parameter.
3940         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3941         is_first_non_relro parameters.  Change all callers.
3942         (Layout::choose_output_section): Likewise.
3943         (Layout::add_output_section_data): Likewise.
3944         (Layout::make_output_section): Likewise.  Set order.
3945         (Layout::default_section_order): New function.
3946         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3947         * output.cc (Output_section::Output_section): Initialize order_.
3948         Don't initialize deleted fields.
3949         (Output_segment::Output_segment): Don't initialize deleted
3950         fields.
3951         (Output_segment::add_output_section_to_load): New function
3952         replacing add_output_section.  Change all callers to call this or
3953         add_output_section_to_nonload.
3954         (Output_segment::add_output_section_to_nonload): New function.
3955         (Output_segment::remove_output_section): Rewrite.
3956         (Output_segment::add_initial_output_data): Likewise.
3957         (Output_segment::has_any_data_sections): Likewise.
3958         (Output_segment::is_first_section_relro): Likewise.
3959         (Output_segment::maximum_alignment): Likewise.
3960         (Output_segment::has_dynamic_reloc): New function replacing
3961         dynamic_reloc_count.  Change all callers.
3962         (Output_segment::has_dynamic_reloc_list): New function replacing
3963         dynamic_reloc_count_list.  Change all callers.
3964         (Output_segment::set_section_addresses): Rewrite.
3965         (Output_segment::set_offset): Rewrite.
3966         (Output_segment::find_first_and_last_list): Remove.
3967         (Output_segment::set_tls_offsets): Rewrite.
3968         (Output_segment::first_section_load_address): Likewise.
3969         (Output_segment::output_section_count): Likewise.
3970         (Output_segment::section_with_lowest_load_address): Likewise.
3971         (Output_segment::write_section_headers): Likewise.
3972         (Output_segment::print_sections_to_map): Likewise.
3973         * output.h (class Output_data): Remove dynamic_reloc_count_
3974         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3975         (Output_data::add_dynamic_reloc): Rewrite.
3976         (Output_data::has_dynamic_reloc): New function.
3977         (Output_data::dynamic_reloc_count): Remove.
3978         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3979         is_last_relro_, is_first_non_relro_, is_interp_,
3980         is_dynamic_linker_section_ fields.  Add order and set_order
3981         functions.  Remove is_relro_local, set_is_relro_local,
3982         is_last_relro, set_is_last_relro, is_first_non_relro,
3983         set_is_first_non_relro functions, is_interp, set_is_interp,
3984         is_dynamic_linker_section, and set_is_dynamic_linker_section
3985         functions.
3986         (class Output_segment): Change Output_data_list from std::list to
3987         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3988         output_bss_ fields.  Update declarations.
3989
3990 2010-08-02  Ian Lance Taylor  <iant@google.com>
3991
3992         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3993         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3994         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3995
3996 2010-08-02  Ian Lance Taylor  <iant@google.com>
3997
3998         PR 11855
3999         * script.cc (Script_options::Script_options): Initialize
4000         symbol_definitions_ and symbol_references_.
4001         (Script_options::add_symbol_assignment): Update
4002         symbol_definitions_ and symbol_references_.
4003         (Script_options::add_symbol_reference): New function.
4004         (script_symbol): New function.
4005         * script.h (class Script_options): Add symbol_definitions_ and
4006         symbol_references_ fields.
4007         (Script_options::referenced_const_iterator): New type.
4008         (Script_options::referenced_begin): New function.
4009         (Script_options::referenced_end): New function.
4010         (Script_options::is_referenced): New function.
4011         (Script_options::any_unreferenced): New function.
4012         * script-c.h (script_symbol): Declare.
4013         * yyscript.y (exp): Call script_symbol.
4014         * symtab.cc: Include "script.h".
4015         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4016         Change all callers.  Check symbols referenced by scripts.
4017         (Symbol_table::add_undefined_symbols_from_command_line): Add
4018         layout parameter.  Change all callers.
4019         (Symbol_table::do_add_undefined_symbols_from_command_line):
4020         Likewise.  Break out loop body.  Check symbols referenced by
4021         scripts.
4022         (Symbol_table::add_undefined_symbol_from_command_line): New
4023         function broken out of
4024         do_add_undefined_symbols_from_command_line.
4025         * symtab.h (class Symbol_table): Update declarations.
4026         * archive.cc: Include "layout.h".
4027         (Archive::should_include_member): Add layout parameter.  Change
4028         all callers.  Check for symbol mentioned in expression.
4029         * archive.h (class Archive): Update declaration.
4030         * object.cc (Sized_relobj::do_should_include_member): Add layout
4031         parameter.
4032         * object.h (Object::should_include_member): Add layout parameter.
4033         Change all callers.
4034         (Object::do_should_include_member): Add layout parameter.
4035         (class Sized_relobj): Update declaration.
4036         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4037         parameter.
4038         * dynobj.h (class Sized_dynobj): Update declaration.
4039         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4040         layout parameter.
4041         * plugin.h (class Sized_pluginobj): Update declaration.
4042
4043 2010-08-02  Ian Lance Taylor  <iant@google.com>
4044
4045         PR 11866
4046         * output.cc (Output_segment::set_offset): Search for the first and
4047         last sections rather than assuming that the list is in order.
4048         (Output_segment::find_first_and_last_list): New function.
4049         * output.h (class Output_segment): Update declarations.
4050         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4051         (relro_strip_test_SOURCES): New variable.
4052         (relro_strip_test_DEPENDENCIES): New variable.
4053         (relro_strip_test_LDFLAGS): New variable.
4054         (relro_strip_test_LDADD): New variable.
4055         (relro_strip_test.so): New target.
4056
4057 2010-08-02  Ian Lance Taylor  <iant@google.com>
4058
4059         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4060         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4061         (Target_i386::got_tlsdesc_section): New function.
4062         (Target_i386::got_section): Create space for GOT entries for
4063         TLSDESC relocations.
4064         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4065         R_386_TLS_GOTDESC.
4066         (Target_i386::Scan::global): Likewise.
4067         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4068         using TLSDESC GOT.
4069         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4070         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4071         (Target_x86_64::got_tlsdesc_section): New function.
4072         (Target_x86_64::got_section): Create space for GOT entries for
4073         TLSDESC relocations.
4074         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4075         R_386_TLS_GOTDESC.
4076         (Target_x86_64::Scan::global): Likewise.
4077         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4078         using TLSDESC GOT.
4079
4080 2010-08-02  Ian Lance Taylor  <iant@google.com>
4081
4082         * testsuite/final_layout.sh: Use dc to convert from hex to
4083         decimal.
4084
4085 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4086
4087         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4088         paramter to the call to gold::gc_process_relocs.
4089         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4090         paramter to the call to gold::gc_process_relocs.
4091         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4092         parameter to the call to gold::gc_process_relocs.
4093         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4094         template parameter to the call to gold::gc_process_relocs.
4095         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4096         paramter to the call to gold::gc_process_relocs.
4097         * gc.h (get_embedded_addend_size): New function.
4098         (gc_process_relocs): Save the size of the reloc for use by ICF.
4099         * icf.cc (get_section_contents): Get the addend from the text section
4100         for SHT_REL relocation sections.
4101         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4102         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4103         * int_encoding.h (read_from_pointer): New overloaded function.
4104         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4105         * testsuite/icf_sht_rel_addend_test.sh: New file.
4106         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4107         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4108
4109 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4110
4111         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4112         * Makefile.in: Regenerate.
4113         * testsuite/Makefile.in: Regenerate.
4114
4115 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4116
4117         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4118         * gold/testsuite/debug_msg.cc: Likewise.
4119         * gold/testsuite/odr_violation1.cc
4120         * gold/testsuite/odr_violation2.cc
4121
4122 2010-07-21  Cary Coutant  <ccoutant@google.com>
4123
4124         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4125         string, and length fields.
4126         (Output_merge_string::Merged_strings_list): New type.
4127         (Output_merge_string::Merged_strings_lists): New typedef.
4128         (Output_merge_string): Replace merged_strings_ with
4129         merged_strings_lists_.
4130         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4131         Merged_strings_list per input object and section.  Don't store pointer
4132         to the string.  Don't store length with each merged string entry.
4133         (Output_merge_string::finalize_merged_data): Loop over list of merged
4134         strings lists.  Recompute length of each merged string.
4135
4136 2010-07-15  Cary Coutant  <ccoutant@google.com>
4137
4138         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4139         here.
4140
4141 2010-07-14  Ian Lance Taylor  <iant@google.com>
4142
4143         * descriptors.cc (Descriptors::open): Report correct name in error
4144         message.
4145
4146 2010-07-13  Doug Kwan  <dougkwan@google.com>
4147
4148         * arm.cc (Arm_input_section::Arm_input_section): For a
4149         SHT_ARM_EXIDX section, always keeps the input sections.
4150         (Arm_input_section::set_exidx_section_link): New method.
4151         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4152         has_errors_ to false.
4153         (Arm_exidx_input_section::has_errors,
4154         Arm_exidx_input_section::set_has_errors): New methods.
4155         (Arm_exidx_input_section::has_errors_): New data member.
4156         (Arm_relobj::get_exidx_shndx_list): New method.
4157         (Arm_output_section::append_text_sections_to_list): Do not skip
4158         section without SHF_EXECINSTR.
4159         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4160         errors.
4161         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4162         section header.  Make error messages more verbose.  Check for
4163         a non-executable section linked to an EXIDX section.
4164         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4165         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4166         check that there is no deferred EXIDX section if we exit early.
4167         Instead of not making an EXIDX section in case of an error, make one
4168         and set the has_errors flag of it.
4169         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4170         in a relocatable link.
4171         (Target_arm::do_relax): Look for the EXIDX output section instead of
4172         assuming that it is called .ARM.exidx.
4173         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4174         section list.  Do not check for SHF_EXECINSTR section flags but
4175         skip any input section with errors.
4176         * output.cc (Output_section::Output_section): Initialize
4177         always_keeps_input_sections_ to false.
4178         (Output_section::add_input_section): Check for
4179         always_keeps_input_sections_.
4180         *  output.h (Output_section::always_keeps_input_sections,
4181         Output_section::set_always_keeps_input_sections): New methods.
4182         (Output_section::always_keeps_input_sections): New data member.
4183
4184 2010-07-13  Rafael Espindola  <espindola@google.com>
4185
4186         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4187         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4188
4189 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4190             Ian Lance Taylor  <iant@google.com>
4191
4192         * output.h (Output_section_lookup_maps::add_merge_section):
4193         Correct check of whether value was inserted.
4194         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4195         (Output_section_lookup_maps::add_relaxed_input_section):
4196         Likewise.
4197         * arm.cc (Target_arm::got_section): Remove used local os.
4198         * i386.cc (Target_i386::got_section): Likewise.
4199         * x86_64.cc (Target_x86_64::got_section): Likewise.
4200         * sparc.cc (Target_sparc::got_section): Likewise.
4201         (Target_sparc::relocate): Remove unused local have_got_offset.
4202         * powerpc.cc (Target_powerpc::relocate): Likewise.
4203
4204 2010-07-13  Ian Lance Taylor  <iant@google.com>
4205
4206         * compressed_output.cc (zlib_decompress): Fix signature in
4207         !HAVE_ZLIB_H case.
4208
4209         * archive.cc (Archive::include_member): Unlock an external member
4210         of a thin archive.  Don't bother to delete an object we know is
4211         NULL.
4212
4213 2010-07-12  Cary Coutant  <ccoutant@google.com>
4214
4215         * compressed_output.cc (zlib_decompress): New function.
4216         (get_uncompressed_size): New function.
4217         (decompress_input_section): New function.
4218         * compressed_output.h (get_uncompressed_size): New function.
4219         (decompress_input_section): New function.
4220         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4221         Handle compressed debug sections.
4222         * layout.cc (is_compressed_debug_section): New function.
4223         (Layout::output_section_name): Map compressed section names to
4224         canonical names.
4225         * layout.h (is_compressed_debug_section): New function.
4226         (is_debug_info_section): Recognize compressed debug sections.
4227         * merge.cc: Include compressed_output.h.
4228         (Output_merge_data::do_add_input_section): Handle compressed
4229         debug sections.
4230         (Output_merge_string::do_add_input_section): Handle compressed
4231         debug sections.
4232         * object.cc: Include compressed_output.h.
4233         (Sized_relobj::Sized_relobj): Initialize new data members.
4234         (build_compressed_section_map): New function.
4235         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4236         * object.h (Object::section_is_compressed): New method.
4237         (Object::do_section_is_compressed): New method.
4238         (Sized_relobj::Compressed_section_map): New type.
4239         (Sized_relobj::do_section_is_compressed): New method.
4240         (Sized_relobj::compressed_sections_): New data member.
4241         * output.cc (Output_section::add_input_section): Handle compressed
4242         debug sections.
4243         * reloc.cc: Include compressed_output.h.
4244         (Sized_relobj::write_sections): Handle compressed debug sections.
4245
4246 2010-07-08  Cary Coutant  <ccoutant@google.com>
4247
4248         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4249         weak when resolving to a dynamic def.
4250         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4251         for weak undef/dynamic def cases. Adjust callers.
4252         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4253         undef_binding_weak_.
4254         (Symbol_table::sized_write_globals): Adjust symbol binding.
4255         (Symbol_table::sized_write_symbol): Add binding parameter.
4256         * symtab.h (Symbol::set_undef_binding): New method.
4257         (Symbol::is_undef_binding_weak): New method.
4258         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4259         (Symbol_table::should_override): Add new parameter.
4260         (Symbol_table::sized_write_symbol): Add new parameter.
4261
4262         * testsuite/weak_undef_file1.cc: Add new test case.
4263         * testsuite/weak_undef_file2.cc: Fix header comment.
4264         * testsuite/weak_undef_test.cc: Add new test case.
4265
4266 2010-06-29  Doug Kwan  <dougkwan@google.com>
4267
4268         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4269         Initialize USE_SYMBOL_.
4270         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4271         definition.
4272         (Arm_reloc_property::uses_symbol_): New data member declaration.
4273         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4274         uses symbol value and symbol is undefined but not weakly undefined.
4275
4276 2010-06-28  Rafael Espindola  <espindola@google.com>
4277
4278         * plugin.cc (Plugin::load): Use dlerror.
4279
4280 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4281
4282         * symtab.cc (detect_odr_violations): When reporting an ODR
4283         violation, report an object where the symbol is defined.
4284
4285 2010-06-25  Doug Kwan  <dougkwan@google.com>
4286
4287         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4288         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4289         definition.
4290         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4291         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4292         target hook to detect function points.
4293         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4294         * icf.h (Icf::check_section_for_function_pointers): Change type of
4295         parameter SECTION_NAME to const reference to std::string.  Use
4296         target hook to determine if section may have unsafe pointers.
4297         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4298         method definition.
4299
4300 2010-06-21  Rafael Espindola  <espindola@google.com>
4301
4302         * fileread.cc (Input_file::find_fie): New
4303         (Input_file::open): Use Input_file::find_fie.
4304         * fileread.h (Input_file::find_fie): New
4305         * plugin.cc (set_extra_library_path): New.
4306         (Plugin::load): Add set_extra_library_path to the transfer vector.
4307         (Plugin_manager::set_extra_library_path): New.
4308         (Plugin_manager::add_input_file): Use the extra search path if set.
4309         (set_extra_library_path(): New.
4310         * plugin.h (Plugin_manager): Add set_extra_library_path and
4311         extra_search_path_.
4312
4313 2010-06-19  Cary Coutant  <ccoutant@google.com>
4314
4315         * layout.cc (gdb_sections): Add .debug_types.
4316         (lines_only_debug_sections): Likewise.
4317
4318 2010-06-18  Rafael Espindola  <espindola@google.com>
4319
4320         * plugin.cc (add_input_file,add_input_library)
4321         (Plugin_manager::add_input_file): Make filename arguments const.
4322         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4323         const.
4324
4325 2010-06-16  Doug Kwan  <dougkwan@google.com>
4326
4327         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4328         .ARM.attributes section if we have not merged any input
4329         attributes sections.
4330
4331 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4332
4333         * arm.cc: Allow combining objects with no EABI version
4334         information.
4335
4336 2010-06-15  Rafael Espindola  <espindola@google.com>
4337
4338         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4339
4340 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4341
4342         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4343         (struct iovec): Correct !HAVE_READV definition.
4344
4345 2010-06-10  Cary Coutant  <ccoutant@google.com>
4346
4347         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4348         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4349         reloc sections.
4350         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4351
4352         PR 11683
4353         * symtab.h (Symbol::is_placeholder): New member function.
4354         * target-reloc.h (relocate_section): Check for placeholder symbols.
4355
4356         * testsuite/Makefile.am (plugin_test_8): New test.
4357         (plugin_test_9): New test.
4358         * testsuite/Makefile.in: Regenerate.
4359
4360 2010-06-09  Nick Clifton  <nickc@redhat.com>
4361
4362         * yyscript.y (input_list_element): Allow strings prefixed with
4363         the '-' character.  Treat these as libraries.
4364         * script.cc (script_add_library): New function.  Adds a library
4365         specified by "-l<name>" found in an input script.
4366         * script-c.h: Add prototype for script_add_library.
4367
4368 2010-06-07  Doug Kwan  <dougkwan@google.com>
4369
4370         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4371         Restrict stub-group size to be within long conditional branch
4372         range when working around cortex-A8 erratum.
4373
4374 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4375
4376         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4377         #ifdef typo.
4378
4379 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4380
4381         PR gold/11658
4382         * output.cc
4383         (Output_section::Input_section_sort_entry::compare_section_ordering):
4384         Change to return non-zero correctly.
4385         (Output_section::Input_section_sort_section_order_index_compare
4386         ::operator()): Change to fix ambiguity in comparisons.
4387
4388 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4389
4390         * gold.h (is_wildcard_string): New function.
4391         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4392         (Layout::layout_eh_frame): Ditto.
4393         (Layout::find_section_order_index): New method.
4394         (Layout::read_layout_from_file): New method.
4395         * layout.h (Layout::find_section_order_index): New method.
4396         (Layout::read_layout_from_file): New method.
4397         (Layout::input_section_position_): New private member.
4398         (Layout::input_section_glob_): New private member.
4399         * main.cc (main): Call read_layout_from_file here.
4400         * options.h (--section-ordering-file): New option.
4401         * output.cc (Output_section::input_section_order_specified_): New
4402         member.
4403         (Output_section::Output_section): Initialize new member.
4404         (Output_section::add_input_section): Add new parameter.
4405         Keep input sections when --section-ordering-file is used.
4406         (Output_section::set_final_data_size): Sort input sections when
4407         section ordering file is specified.
4408         (Output_section::Input_section_sort_entry): Add new parameter.
4409         Check sorting type.
4410         (Output_section::Input_section_sort_entry::compare_section_ordering):
4411         New method.
4412         (Output_section::Input_section_sort_compare::operator()): Change to
4413         consider section_order_index.
4414         (Output_section::Input_section_sort_init_fini_compare::operator()):
4415         Change to consider section_order_index.
4416         (Output_section::Input_section_sort_section_order_index_compare
4417         ::operator()): New method.
4418         (Output_section::sort_attached_input_sections): Change to sort
4419         according to section order when specified.
4420         (Output_section::add_input_section<32, true>): Add new parameter.
4421         (Output_section::add_input_section<64, true>): Add new parameter.
4422         (Output_section::add_input_section<32, false>): Add new parameter.
4423         (Output_section::add_input_section<64, false>): Add new parameter.
4424         * output.h (Output_section::add_input_section): Add new parameter.
4425         (Output_section::input_section_order_specified): New
4426         method.
4427         (Output_section::set_input_section_order_specified): New method.
4428         (Input_section::Input_section): Initialize section_order_index_.
4429         (Input_section::section_order_index): New method.
4430         (Input_section::set_section_order_index): New method.
4431         (Input_section::section_order_index_): New member.
4432         (Input_section::Input_section_sort_section_order_index_compare): New
4433         struct.
4434         (Output_section::input_section_order_specified_): New member.
4435         * script-sections.cc (is_wildcard_string): Delete and move modified
4436         method to gold.h.
4437         (Output_section_element_input::Output_section_element_input): Modify
4438         call to is_wildcard_string.
4439         (Output_section_element_input::Input_section_pattern
4440         ::Input_section_pattern): Ditto.
4441         (Output_section_element_input::Output_section_element_input): Ditto.
4442         * testsuite/Makefile.am (final_layout): New test case.
4443         * testsuite/Makefile.in: Regenerate.
4444         * testsuite/final_layout.cc: New file.
4445         * testsuite/final_layout.sh: New file.
4446
4447 2010-06-01  Rafael Espindola  <espindola@google.com>
4448
4449         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4450
4451 2010-06-01  Rafael Espindola  <espindola@google.com>
4452
4453         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4454         visibility of symbols.
4455
4456 2010-05-27  Doug Kwan  <dougkwan@google.com>
4457
4458         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4459         from start of output section instead of address for a local symbol
4460         in a merged or relaxed section when doing a relocatable link.
4461
4462 2010-05-26  Rafael Espindola  <espindola@google.com>
4463
4464        PR 11604
4465         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4466         adding sections the garbage collector removed.
4467         * gold/testsuite/Makefile.am: Add test.
4468         * gold/testsuite/Makefile.in: Regenerate.
4469         * gold/testsuite/plugin_test_7.sh: New.
4470         * gold/testsuite/plugin_test_7_1.c: New.
4471         * gold/testsuite/plugin_test_7_2.c: New.
4472
4473 2010-05-26  Rafael Espindola  <espindola@google.com>
4474
4475         * script-sections.cc (Output_section_definition::set_section_addresses):
4476         Check for --section-start.
4477
4478 2010-05-26  Doug Kwan  <dougkwan@google.com>
4479
4480         * arm.cc (Arm_scan_relocatable_relocs): New class.
4481         (Target_arm::relocate_special_relocatable): New method.
4482         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4483         (Arm_relocate_functions::thumb_branch_common): Same.
4484         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4485         instead of Default_scan_relocatable_relocs.
4486         * target-reloc.h (relocate_for_relocatable): Let target handle
4487         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4488         * target.h (Sized_target::relocate_special_relocatable): New method.
4489
4490 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4491
4492         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4493
4494 2010-05-23  Doug Kwan  <dougkwan@google.com>
4495
4496         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4497         instead of a cast.
4498         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4499         with a direct branch, not a conditional branch, to a stub.
4500         * merge.cc (Output_merge_base::record_input_section): New method
4501         defintion.
4502         (Output_merge_data::do_add_input_section): Record input section if
4503         keeps-input-sections flag is set.
4504         (Output_merge_string::do_add_input_section): Ditto.
4505         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4506         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4507         INPUT_SECTIONS_.
4508         (Output_merge_base::keeps_input_sections,
4509         Output_merge_base::set_keeps_input_sections,
4510         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4511         method definitions.
4512         (Output_merge_base::Input_sections): New type declaration.
4513         (Output_merge_base::input_sections_begin,
4514         Output_merge_base::input_sections_end,
4515         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4516         (Output_merge_base::bool keeps_input_sections_,
4517         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4518         Output_merge_base::input_sections_): New data members.
4519         (Output_merge_data::do_set_keeps_input_sections): New method
4520         defintion.
4521         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4522         * output.cc (Output_section::Input_section::relobj): Move method
4523         defintion from class declaration to here and handle merge sections.
4524         (Output_section::Input_section::shndx): Ditto.
4525         (Output_section::Output_section): Remove initializations of removed
4526         data members and initialize new data member LOOKUP_MAPS_.
4527         (Output_section::add_input_section): Set keeps-input-sections flag
4528         for a newly created merge output section as appropriate.  Adjust code
4529         to use Output_section_lookup_maps class.
4530         (Output_section::add_relaxed_input_section): Adjst code for lookup
4531         maps code refactoring.
4532         (Output_section::add_merge_input_section): Add a new parameter
4533         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4534         class.  If adding input section to a newly created merge output
4535         section fails, remove the new merge section.
4536         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4537         Adjust code for use of the Output_section_lookup_maps class.
4538         (Output_section::find_merge_section): Ditto.
4539         (Output_section::build_lookup_maps): New method defintion.
4540         (Output_section::find_relaxed_input_section): Adjust code to use
4541         Output_section_lookup_maps class.
4542         (Output_section::get_input_sections): Export merge sections.  Adjust
4543         code to use Output_section_lookup_maps class.
4544         (Output_section:::add_script_input_section): Adjust code to use
4545         Output_section_lookup_maps class.  Update lookup maps for merge
4546         sections also.
4547         (Output_section::discard_states): Use Output_section_lookup_maps.
4548         (Output_section::restore_states): Same.
4549         * output.h (Merge_section_properties): Move class defintion out of
4550         Output_section.
4551         (Output_section_lookup_maps): New class.
4552         (Output_section::Input_section::is_merge_section): New method
4553         defintion.
4554         (Output_section::Input_section::relobj): Move defintion out of class
4555         defintion.  Declare method only.
4556         (Output_section::Input_section::shndx): Ditto.
4557         (Output_section::Input_section::output_merge_base): New method defintion.
4558         (Output_section::Input_section::u2_.pomb): New union field.
4559         (Output_section::Merge_section_by_properties_map,
4560         Output_section::Output_section_data_by_input_section_map,
4561         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4562         Remove types.
4563         (Output_section::add_merge_input_section): Add new parameter
4564         KEEPS_INPUT_SECTIONS.
4565         (Output_section::build_lookup_maps): New method declaration.
4566         (Output_section::merge_section_map_,
4567         Output_section::merge_section_by_properties_map_,
4568         Output_section::relaxed_input_section_map_,
4569         Output_section::is_relaxed_input_section_map_valid_): Remove data
4570         members.
4571         (Output_section::lookup_maps_): New data member.
4572
4573 2010-05-21  Doug Kwan  <dougkwan@google.com>
4574
4575         PR gold/11619
4576         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4577         avoid a compilation error.
4578
4579 2010-05-19  Rafael Espindola  <espindola@google.com>
4580
4581         * script-sections.cc (Output_section_definition::allocate_to_segment):
4582         Update the phdrs_list even when the output section is NULL.
4583         * testsuite/Makefile.am: Add test.
4584         * testsuite/Makefile.in: Regenerate.
4585         * testsuite/script_test_9.cc: New.
4586         * testsuite/script_test_9.sh: New.
4587         * testsuite/script_test_9.t: New.
4588
4589 2010-05-19  Doug Kwan  <dougkwan@google.com>
4590
4591         * arm.cc (Arm_input_section::original_size): New method.
4592         (Arm_input_section::do_addralign): Add a cast.
4593         (Arm_input_section::do_output_offset): Remove static cast.
4594         (Arm_input_section::original_addralign,
4595          Arm_input_section::original_size_): Change type to uint32_t.
4596         (Arm_input_section::init): Add safe casts for section alignment
4597         and size.
4598         (Arm_input_section::set_final_data_size): Do not set address and
4599         offset of stub table.
4600         (Arm_output_section::fix_exidx_coverage): Change use of of
4601         Output_section::Simple_input_section to that of
4602         Output_section::Input_section.
4603         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4604         except for the first pass.
4605         * output.cc (Output_section::get_input_sections): Change type of
4606         input_sections to std::list<Input_section>.
4607         (Output_section::add_script_input_section): Rename from
4608         Output_section::add_simple_input_section.  Change type of SIS
4609         parameter from Simple_input_section to Input_section.
4610         * output.h (Output_section::Simple_input_section): Remove class.
4611         (Output_section::Input_section): Change class visibility to public.
4612         (Output_section::Input_section::addralign): Use stored alignments
4613         for special input sections if set.
4614         (Output_section::Input_section::set_addralign): New method.
4615         (Output_section::get_input_sections): Change parameter type from
4616         list of Simple_input_section to list of Input_section.
4617         (Output_section::add_script_input_section): Rename from
4618         Output_section::add_simple_input_section. Change first parameter's
4619         type from Simple_input_section to Input_section and remove the
4620         second and third parameters.
4621         * script-sections.cc (Input_section::Input_section_list): Change
4622         type to list of Output_section::Input_section/
4623         (Input_section_info::Input_section_info): Change parameter type of
4624         INPUT_SECTION to Output_section::Input_section.
4625         (Input_section_info::input_section): Change return type.
4626         (Input_section_info::input_section_): Change type to
4627         Output_section::Input_section.
4628         (Output_section_element_input::set_section_addresses): Adjust code
4629         to use Output_section::Input_section instead of
4630         Output_section::Simple_input_section.  Adjust code for renaming
4631         of Output_section::add_simple_input_section.
4632         (Orphan_output_section::set_section_addresses): Ditto.
4633
4634 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4635
4636         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4637         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4638
4639 2010-05-18  Rafael Espindola  <espindola@google.com>
4640
4641         * options.cc (General_options::finalize): Handle -nostdlib.
4642         * options.h (nostdlib): New option.
4643         * script.cc (script_add_search_dir): Handle -nostdlib.
4644
4645 2010-05-12  Doug Kwan  <dougkwan@google.com>
4646
4647         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4648         attributes section only if there no attributes section after merging.
4649         (Target_arm::merge_object_attributes): Move value of
4650         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4651         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4652         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4653         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4654         and arm_attr_merge_7.stdout.
4655         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4656         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4657         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4658         arm_attr_merge_7b.o): New rules.
4659         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4660         arm_attr_merge_7
4661         * testsuite/Makefile.in: Regenerate.
4662         * testsuite/arm_attr_merge.sh: New file.
4663         * testsuite/arm_attr_merge_[67][ab].s: Same.
4664
4665 2010-05-05  Nick Clifton  <nickc@redhat.com>
4666
4667         * po/es.po: Updated Spanish translation.
4668
4669 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4670
4671         * Makefile.am (install-exec-local): Properly install gold as
4672         default cross linker.
4673         * Makefile.in: Regenerated.
4674
4675 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4676             Nick Clifton  <nickc@redhat.com>
4677
4678         * configure.ac (install_as_default): Define and set to false
4679         unless --enable-gold or --enable-gold=both/gold has been
4680         specified.
4681         * configure: Regenerate.
4682
4683         * Makefile.am (install-exec-local): Install the executable as
4684         'ld.gold'.  If install_as_default is true then also install it as
4685         'ld'.
4686         * Makefile.in: Regenerated.
4687
4688 2010-04-24  Ian Lance Taylor  <iant@google.com>
4689
4690         * layout.cc (Layout::layout_reloc): In relocatable link don't
4691         combine reloc sections for grouped sections.
4692
4693 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4694
4695         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4696         sections that are not ordinary to icf.
4697         * icf.cc (get_section_contents): Handle relocation pointing to section
4698         with no object or shndx information.
4699         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4700         * testsuite/Makefile.in: Regenerate.
4701         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4702         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4703
4704 2010-04-22  Ian Lance Taylor  <iant@google.com>
4705
4706         * expression.cc (Expression::Expression_eval_info): Add
4707         result_alignment_pointer field.
4708         (Expression::eval_with_dot): Add result_alignment_pointer
4709         parameter.  Change all callers.
4710         (Expression::eval_maybe_dot): Likewise.
4711         (class Binary_expression): Add alignment_pointer parameter to
4712         left_value and right_value.  Change all callers.
4713         (BINARY_EXPRESSION): Set result alignment.
4714         (class Trinary_expression): Add alignment_pointer parameter to
4715         arg2_value and arg3_value.  Change all callers.
4716         (Trinary_cond::value): Set result alignment.
4717         (Max_expression::value, Min_expression::value): Likewise.
4718         (Align_expression::value): Likewise.
4719         * script-sections.cc (class Sections_element): Add dot_alignment
4720         parameter to set_section_addresses virtual function.  Update
4721         instantiations.
4722         (class Output_section_element): Likewise.
4723         (Script_sections::create_segments): Add dot_alignment parameter.
4724         Change all callers.
4725         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4726         (Script_sections::set_phdrs_clause_addresses): Likewise.
4727         * script-sections.h: Update declarations.
4728         * script.h: Update declarations.
4729         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4730         min_p_align.
4731         * testsuite/script_test_3.t: Set large alignment.
4732         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4733         segment has expected alignment.
4734
4735 2010-04-22  Nick Clifton  <nickc@redhat.com>
4736
4737         * po/gold.pot: Updated by the Translation project.
4738         * po/vi.po: Updated Vietnamese translation.
4739
4740 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4741
4742         * testsuite/Makefile.am (check_PROGRAMS): Add
4743         icf_virtual_function_folding_test.
4744         * testsuite/Makefile.in: Regenerated.
4745
4746 2010-04-15  Andrew Haley  <aph@redhat.com>
4747
4748         * options.h (merge_exidx_entries): New option.
4749         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4750         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4751         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4752         (Target_arm::merge_exidx_entries): New function.
4753         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4754         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4755         to Arm_exidx_fixup constructor.
4756         Add new arg, merge_exidx_entries.
4757         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4758         Arm_output_section::fix_exidx_coverage.
4759
4760 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4761
4762         * icf.cc (get_section_contents): Check for preemptible functions.
4763         Ignore addend when appropriate.
4764         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4765         section folded.
4766         (add_from_relobj): Check for section folded.
4767         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4768         * symtab.h (should_add_dynsym_entry): Add new parameter.
4769         * target-reloc.h (scan_relocs): Check for section folded.
4770         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4771         Check reloc types for function pointers in shared objects.
4772         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4773         case.
4774         (icf_preemptible_functions_test): New test case.
4775         (icf_string_merge_test): New test case.
4776         * testsuite.Makefile.in: Regenerate.
4777         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4778         bar_glob.  Refactor code.
4779         * testsuite/icf_preemptible_functions_test.cc: New file.
4780         * testsuite/icf_preemptible_functions_test.sh: New file.
4781         * testsuite/icf_string_merge_test.cc: New file.
4782         * testsuite/icf_string_merge_test.sh: New file.
4783         * testsuite/icf_virtual_function_folding_test.cc: New file.
4784         * testsuite/icf_virtual_function_folding_test.sh: New file.
4785
4786 2010-04-14  Doug Kwan  <dougkwan@google.com>
4787
4788         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4789         for local symbol recounting if we remove a section due to ICF.
4790         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4791         there are no regular objects in input.
4792
4793 2010-04-13  Doug Kwan  <dougkwan@google.com>
4794
4795         * arm.cc (Arm_input_section::set_final_data_size): Compute
4796         accurate final data size instead of using current data size.
4797
4798 2010-04-09  Doug Kwan  <dougkwan@google.com>
4799
4800         * layout.cc (Layout::choose_output_section): Handle script section
4801         types.
4802         (Layout::make_output_section_for_script): Add section type parameter.
4803         Handle script section types.
4804         * layout.h (Layout::make_output_section_for_script): Add section
4805         type parameter.
4806         * output.cc (Output_section::Output_section): Initialize data member
4807         is_noload_.
4808         (Output_section::do_reset_address_and_file_offset): Do not set address
4809         to 0 if section is a NOLOAD section.
4810         * output.h (Output_section::is_noload): New method.
4811         (Output_section::set_is_noload): Ditto.
4812         (Output_section::is_noload_): New data member.
4813         * script-c.h (Script_section_type): New enum type.
4814         (struct Parser_output_section_header): Add new file section_type.
4815         * script-sections.cc (Sections_element::output_section_name): Add
4816         parameter for returning script section type.
4817         (Output_section_definition::output_section_name): Ditto.
4818         (Output_section_definition::section_type)P; New method.
4819         (Output_section_definiton::script_section_type_name): Ditto.
4820         (Output_section_definition::script_section_type_): New data member.
4821         (Output_section_definition::Output_section_definition): Initialize
4822         data member Output_section_definition::script_section_type_.
4823         (Output_section_definition::create_sections): Pass script section type
4824         to Layout::make_output_section_for_script.
4825         (Output_section_definition::output_section_name): Return script
4826         section type to caller.
4827         (Output_section_definition::set_section_address): Do not advance
4828         dot value and load address if section type is NOLOAD.  Set address
4829         of NOLOAD sections regardless of section flags.
4830         (Output_section_definition::print): Print section type if it is
4831         not SCRIPT_SECTION_TYPE_NONE.
4832         (Output_section_definition::section_type): New method.
4833         (Output_section_definition::script_section_type_name): Ditto.
4834         (Script_sections::output_section_name): Add new parameter
4835         PSECTION_TYPE for returning script section type.  Pass it to
4836         section elements.  Handle discard sections.
4837         (Sort_output_sections::operator()): Handle NOLOAD sections.
4838         * script-sections.h (Script_sections::Section_type): New enum type.
4839         (Script_sections::output_section_name): Add a new parameter for
4840         returning script section type.
4841         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4842         INFO and NOLOAD.
4843         * yyscript.y (union): Add new field SECTION_TYPE.
4844         (COPY, DSECT, INFO, NOLOAD): New tokens.
4845         (opt_address_and_section_type): Change type to output_section_header.
4846         (section_type): New non-terminal
4847         (section_header): Handle section type.
4848         (opt_address_and_section_type): Return section type value.
4849
4850 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4851
4852         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4853         * testsuite/plugin_common_test_2.c (foo): Likewise.
4854
4855 2010-04-08  Doug Kwan  <dougkwan@google.com>
4856
4857         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4858         Output_merge_data.
4859         * output.cc (Output_section::add_merge_input_section): Simplify
4860         code and return status of Output_merge_base::add_input_section.
4861         Update merge section map only if Output_merge_base::add_input_section
4862         returns true.
4863
4864 2010-04-07  Doug Kwan  <dougkwan@google.com>
4865
4866         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4867         if section is marked as containing instructions but has no mapping
4868         symbols.
4869         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4870         correct section index.
4871         (Arm_relobj::find_linked_text_section): Ditto.
4872
4873 2010-04-07  Cary Coutant  <ccoutant@google.com>
4874
4875         * archive.cc (include_member): Destroy Read_symbols_data object before
4876         releasing file.
4877         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4878         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4879         (Read_symbols_data::~Read_symbols_data) New destructor.
4880         (Section_relocs::Section_relocs) New constructor.
4881         (Section_relocs::~Section_relocs) New destructor.
4882         (Read_relocs_data::Read_relocs_data) New constructor.
4883         (Read_relocs_data::~Read_relocs_data) New destructor.
4884         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4885         pointers to NULL after deleting.
4886
4887 2010-04-07  Doug Kwan  <dougkwan@google.com>
4888
4889         * arm.cc: Replace "endianity" with "endianness" in comments.
4890         (Arm_exidx_cantunwind): Ditto.
4891         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4892         (Arm_relobj::merge_flags_and_attributes): New method.
4893         (Arm_relobj::merge_flags_and_attributes_): New data member.
4894         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4895         (Arm_relobj::scan_sections_for_stubs): Ditto.
4896         (Arm_relobj::do_read_symbols): Check to see if we really want to
4897         merge processor-specific flags and attributes.  Exit early if
4898         an object is empty except for section names and the undefined symbol.
4899         (Target_arm::do_finalize_sections): Move check for ELF format to
4900         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4901         attributes from a regular object only when we have determined that
4902         it is aapropriate.  Do not create an .ARM.attributes section in
4903         output if there is no regular input object.
4904         (Target_arm::merge_processor_specific_flags): Check
4905         --warn-mismatch before printing any error.
4906         (Target_arm::merge_object_attributes): Ditto.
4907         * gold.cc (queue_middle_tasks): Handle the case in which there is
4908         no regular object in input.
4909         * options.cc (General_options::parse_EB): New method.
4910         (General_options::parse_EL): Same.
4911         (General_options::General_options): Initialize endianness_.
4912         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4913         New options.
4914         (General_options::Endianness): New enum.
4915         (General_options::endianness): New method.
4916         (General_options::endianness_): New data member.
4917         * parameters.cc (Parameters::set_options): Check target endianness.
4918         (Parameters::set_target_once): Ditto.
4919         (Parameters::check_target_endianness): New method.
4920         (parameters_force_valid_target): If either -EL or -EB is specified,
4921         use it to define endianness of default target.
4922         * parameters.h (Parameters::check_target_endianness): New method
4923         declaration.
4924         * target.h (class Target): Change "endianity" to "endianness"
4925         in comments.
4926
4927 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4928
4929         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4930         * configure: Regenerate.
4931         * Makefile.in: Regenerate.
4932         * testsuite/Makefile.in: Regenerate.
4933
4934 2010-04-06  Cary Coutant  <ccoutant@google.com>
4935
4936         gcc PR lto/42757
4937         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4938         prevailing definitions of common symbols.
4939         * testsuite/plugin_test_6.sh: New test case.
4940         * testsuite/plugin_common_test_1.c: New test case.
4941         * testsuite/plugin_common_test_2.c: New test case.
4942         * testsuite/Makefile.am (plugin_test_6): New test case.
4943         * testsuite/Makefile.in: Regenerate.
4944
4945 2010-04-06  Nick Clifton  <nickc@redhat.com>
4946
4947         * po/vi.po: New Vietnamese translation.
4948
4949 2010-03-30  Doug Kwan  <dougkwan@google.com>
4950
4951         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4952
4953 2010-03-25  Doug Kwan  <dougkwan@google.com>
4954
4955         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4956         to avoid a conversion warning on a 32-bit host.
4957
4958 2010-03-24  Ian Lance Taylor  <iant@google.com>
4959
4960         * testsuite/script_test_3.t: Add a TLS segment.
4961         * testsuite/Makefile.am (check_PROGRAMS): Add
4962         tls_phdrs_script_test.
4963         (tls_phdrs_script_test_SOURCES): Define.
4964         (tls_phdrs_script_test_DEPENDENCIES): Define.
4965         (tls_phdrs_script_test_LDFLAGS): Define.
4966         (tls_phdrs_script_test_LDADD): Define.
4967         * testsuite/Makefile.in: Rebuild.
4968
4969 2010-03-23  Cary Coutant  <ccoutant@google.com>
4970
4971         * fileread.cc (find_or_make_view): Fix comment.
4972
4973 2010-03-23  Ian Lance Taylor  <iant@google.com>
4974
4975         * script-sections.cc (class Orphan_section_placement): Define
4976         PLACE_TLS and PLACE_TLS_BSS.
4977         (Orphan_section_placement::Orphan_section_placement): Initialize
4978         new places.
4979         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4980         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4981         (tls_script_test_SOURCES): Define.
4982         (tls_script_test_DEPENDENCIES): Define.
4983         (tls_script_test_LDFLAGS): Define.
4984         (tls_script_test_LDADD): Define.
4985         * testsuite/Makefile.in: Rebuild.
4986
4987 2010-03-22  Doug Kwan  <dougkwan@google.com>
4988
4989         * arm.cc (Arm_relocate_functions::abs8,
4990         Arm_relocate_functions::abs16): Use correct check for overflow
4991         specified in the ARM ELF specs.
4992         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4993         target of a BLX instruction specially.
4994         (Reloc_stub::stub_type_for_reloc): Ditto.
4995         (Relocate::relocate): Use symbolic names instead of numeric relocation
4996         codes to report error.
4997         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4998         workaround.
4999         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5000         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5001         thumb2_blx_out_of_range.stdout
5002         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5003         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5004         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5005         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5006         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5007         thumb2_blx_in_range, thumb2_blx_in_range.o,
5008         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5009         thumb2_blx_out_of_range.o): New rules.
5010         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5011         thumb2_blx_in_range and thumb2_blx_out_of_range.
5012         * testsuite/Makefile.in: Regenerate.
5013         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5014         * testsuite/thumb_blx_in_range.s: New file.
5015         * testsuite/thumb_blx_out_of_range.s: New file.
5016
5017 2010-03-22  Rafael Espindola  <espindola@google.com>
5018
5019         * archive.cc (Should_include): Move to archive.h.
5020         (should_include_member): Make it a member of Archive.
5021         (Lib_group): New.
5022         (Add_lib_group_symbols): New.
5023         * archive.h: Include options.h.
5024         (Archive_member): Moved from Archive.
5025         (Should_include): Moved from archive.cc.
5026         (Lib_group): New.
5027         (Add_lib_group_symbols): New.
5028         * dynobj.cc (do_should_include_member): New.
5029         * dynobj.h (do_should_include_member): New.
5030         * gold.cc (queue_initial_tasks): Update call to queue.
5031         * main.cc (main): Print lib group stats.
5032         * object.cc (do_should_include_member): New.
5033         * object.h: Include archive.h.
5034         (Object::should_include_member): New.
5035         (Object::do_should_include_member): New.
5036         (Sized_relobj::do_should_include_member): New.
5037         * options.cc (General_options::parse_start_lib): New.
5038         (General_options::parse_end_lib): New.
5039         (Input_arguments::add_file): Handle lib groups.
5040         (Input_arguments::start_group): Check we are not in a lib.
5041         (Input_arguments::start_lib): New.
5042         (Input_arguments::end_lib): New.
5043         * options.h (General_options): Add start_lib and end_lib.
5044         (Input_argument::lib_): New.
5045         (Input_argument::lib): New.
5046         (Input_argument::is_lib): New.
5047         (Input_file_lib): New.
5048         (Input_arguments::in_lib_): New.
5049         (Input_arguments::in_lib): New.
5050         (Input_arguments::start_lib): New.
5051         (Input_arguments::end_lib_): New.
5052         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5053         in unused members as preempted.
5054         (Sized_pluginobj::do_should_include_member): New.
5055         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5056         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5057         return the blocker.
5058         (Read_symbols::do_whole_lib_group): New.
5059         (Read_symbols::do_lib_group): New.
5060         (Read_symbols::do_read_symbols): Handle lib groups.
5061         (Read_symbols::get_name): Handle lib groups.
5062         * readsyms.h (Read_symbols): Add an archive member pointer.
5063         (Read_symbols::do_whole_lib_group): New.
5064         (Read_symbols::do_lib_group): New.
5065         (Read_symbols::member_): New.
5066         * script.cc (read_input_script): Update call to queue_soon.
5067
5068 2010-03-19  Doug Kwan  <dougkwan@google.com>
5069
5070         * arm.cc (Stub_table::Stub_table): Initialize new data members
5071         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5072         (Stub_table::add_reloc_stub): Assign stub offset and update
5073         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5074         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5075         New data members.
5076         (Stub_table::update_data_size_and_addralign): Use
5077         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5078         instead of going over all reloc stubs.
5079         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5080         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5081         Stringpool_template::offset_ to size of Stringpool_char.
5082         (Stringpool_template::new_key_offset): Remove code to initialize
5083         Stringpool_template::offset_.
5084         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5085         Stringpool_template::offset_ to zero.
5086
5087 2010-03-15  Doug Kwan  <dougkwan@google.com>
5088
5089         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5090         offset_.
5091         (Stringpool_template::new_key_offset): New method.
5092         (Stringpool_template::add_string): Assign offsets when adding new
5093         strings.
5094         (Stringpool_template::set_string_offsets): Do not set string offsets
5095         when not optimizing.
5096         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5097         member size_.
5098         (Chunked_vector::clear): Clear size_.
5099         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5100         (Chunked_vector::size): Return size_.
5101         (Chunked_vector::push_back): Use size_ to find insert position.
5102         (Chunked_vector::size_): New data member.
5103         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5104         (Stringpool_template::new_key_offset): New method declaration.
5105         (Stringpool_template::offset_): New data member.
5106
5107 2010-03-15   Rafael Espindola  <espindola@google.com>
5108
5109         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5110         Add_symbols' constructor.
5111         * readsyms.h (Add_symbols): Remove the input_group member.
5112
5113 2010-03-10  Ian Lance Taylor  <iant@google.com>
5114
5115         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5116         target to ask whether a reference to a symbol requires a stack
5117         split.
5118         * target.h (Target::is_call_to_non_split): New function.
5119         (Target::do_is_call_to_non_split): Declare virtual function.
5120         * target.cc: Include "symtab.h".
5121         (Target::do_is_call_to_non_split): New function.
5122         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5123
5124 2010-03-10  Cary Coutant  <ccoutant@google.com>
5125
5126         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5127         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5128         (File_read::open[2]): Add whole_file_view_ to list of views.
5129         (File_read::make_view): Remove test of whole_file_view_.
5130         (File_read::find_or_make_view): Create whole_file_view_ if
5131         necessary.
5132         (File_read::clear_views): Replace bool parameter with enum;
5133         adjust all callers.  Don't delete views with permanent data;
5134         do delete cached views and views from archives if
5135         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5136         if clearing the corresponding view.
5137         * fileread.h (File_read::Clear_views_mode): New enum.
5138         (File_read::View::is_permanent_view): New method.
5139         (File_read::clear_views): Replace bool parameter
5140         with enum; adjust all callers.
5141         * options.h (General_options): Change keep_files_mapped option;
5142         add map_whole_files.
5143         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5144         releasing the file.
5145         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5146         the file.
5147
5148 2010-03-10  David S. Miller  <davem@davemloft.net>
5149
5150         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5151
5152 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5153
5154         * icf.cc (get_section_contents): Add '@' marker after processing the
5155         merge reloc.
5156
5157 2010-03-08  Doug Kwan  <dougkwan@google.com>
5158
5159         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5160         due to a conversion warning.
5161         (Arm_relobj::update_output_local_symbol_count): Check for local
5162         symbol with unset output index.
5163
5164 2010-03-05  Ian Lance Taylor  <iant@google.com>
5165
5166         * options.h (class General_options): Add --spare-dynamic-tags.
5167         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5168         --spare-dynamic-tags.
5169
5170 2010-03-05  Ian Lance Taylor  <iant@google.com>
5171
5172         * incremental.cc: Include "libiberty.h".
5173
5174 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5175
5176         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5177         function, is_info_ member.
5178         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5179         (Versions::Versions): Update caller.
5180         (Versions::define_base_version): Likewise.
5181         (Versions::add_def): Likewise.
5182
5183 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5184
5185         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5186         (Scan::possible_function_pointer_reloc): New function.
5187         (Scan::local_reloc_may_be_function_pointer): Change to call
5188         possible_function_pointer_reloc.
5189         (Scan::global_reloc_may_be_function_pointer): Ditto.
5190         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5191         relocations in ".data.rel.ro._ZTV" section.
5192         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5193         * testsuite/icf_safe_so_test.cc: Ditto.
5194         * testsuite/icf_safe_test.cc: Ditto.
5195         * testsuite/icf_safe_test.sh: Ditto.
5196
5197 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5198             Ian Lance Taylor  <iant@google.com>
5199
5200         * target-reloc.h (relocate_section): Check the symbol table index
5201         for -1U before setting the local symbol index.
5202         (scan_relocatable_relocs): If copying the relocation, record that
5203         the local symbol is required.
5204         * object.h (Symbol_value::is_output_symtab_index_set): New
5205         function.
5206         (Symbol_value::may_be_discarded_from_output_symtab): New
5207         function.
5208         (Symbol_value::has_output_symtab_entry): New function.
5209         (Symbol_value::needs_output_symtab_entry): Remove.
5210         (Symbol_value::output_symtab_index): Make sure the symbol index is
5211         set.
5212         (Symbol_value::set_output_symtab_index): Make sure the symbol
5213         index is not set.  Make sure the new index is valid.
5214         (Symbol_value::set_must_have_output_symtab_entry): New function.
5215         (Symbol_value::has_output_dynsym_entry): New function.
5216         (Symbol_value::set_output_dynsym_index): Make sure the new index
5217         is valid.
5218         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5219         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5220         local symbol if permitted.
5221         (Sized_relobj::do_finalize_local_symbols): Call
5222         is_output_symtab_index_set rather than needs_output_symtab_entry.
5223         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5224         rather than needs_output_symtab_entry.  Call
5225         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5226         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5227         is_output_symtab_index_set rather than needs_output_symtab_entry.
5228         * testsuite/discard_locals_relocatable_test.c: New file.
5229         * testsuite/discard_locals_test.sh: Test -r.
5230         * testsuite/Makefile.am (check_DATA): Add
5231         discard_locals_relocatable_test1.syms,
5232         discard_local_relocatable_test2.syms.
5233         (MOSTLYCLEANFILES): Likewise.  Also add
5234         discard_locals_relocatable_test1.lout and
5235         discard_locals_relocatable_test2.out.
5236         (discard_locals_relocatable_test1.syms): New target.
5237         (discard_locals_relocatable_test.o): New target.
5238         (discard_locals_relocatable_test1.out): New target.
5239         (discard_locals_relocatable_test2.syms): New target.
5240         (discard_locals_relocatable_test2.out): New target.
5241         (various): Add missing ../ld-new dependencies.
5242         * testsuite/Makefile.in: Rebuild.
5243
5244 2010-03-03  Nick Clifton  <nickc@redhat.com>
5245
5246         * po/fi.po: New Finnish translation.
5247
5248 2010-03-01  Doug Kwan  <dougkwan@google.com>
5249
5250         * layout.cc (Layout::Layout): Force section types of .init_array*,
5251         .preinit_array* and .fini_array* sections.
5252         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5253         Fix check of return value of std::string::find.().
5254         (Output_section::Input_section_sort_compare::operator()): Remove
5255         comment about .init_array.
5256         (Output_section::Input_section_sort_init_fini_compare::operator()):
5257         New method.
5258         (Output_section::sort_attached_input_sections): Handle .init_array
5259         and .fini_array specially.
5260         * output.h (Output_section::Inut_section_sort_compare): Update
5261         comment.
5262         (Output_section::Input_section_sort_init_fini_compare): New struct.
5263
5264 2010-02-26  Doug Kwan  <dougkwan@google.com>
5265
5266         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5267         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5268         * testsuite/debug_msg.sh: Avoid matching source line number for
5269         use of global variable undef_int.
5270
5271 2010-02-26  Doug Kwan  <dougkwan@google.com>
5272
5273         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5274         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5275         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5276         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5277         * options.cc (General_options::General_options): Initialize member
5278         fix_v4bx_.
5279         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5280         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5281         and rm_no_fix_v4bx.stdout
5282         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5283         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5284         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5285         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5286         and arm_no_fix_v4bx.
5287         * Makefile.in: Regenerate.
5288         * testsuite/arm_fix_v4bx.s: New file.
5289         * testsuite/arm_fix_v4bx.sh: Ditto.
5290
5291 2010-02-24  Doug Kwan  <dougkwan@google.com>
5292
5293         * arm.cc (Target_arm::got_section): Make the .got section the first
5294         non RELRO section in the data segment.
5295         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5296         suffixes of section names.
5297
5298 2010-02-24  Doug Kwan  <dougkwan@google.com>
5299
5300         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5301         flags and attributes merging if an input file is a binary file.
5302         * fileread.cc (Input_file::open): Record format of original file.
5303         * fileread.h (Input_file::Format): New enum type.
5304         (Input_file::Input_file): Initialize data member format_.
5305         (Input_file::format): New method definition.
5306         (Input_file::format_):: New data member.
5307
5308 2010-02-24  Doug Kwan  <dougkwan@google.com>
5309
5310         * arm.cc (Arm_output_data_got): New class.
5311         (ARM_TCB_SIZE): New constant
5312         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5313         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5314         If user uses a script with a SECTIONS clause, issue only a warning
5315         for a misplaced EXIDX input section.  Otherwise, issue an error.
5316         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5317         garbage collection.
5318         (Target_arm::got_mode_index_entry): Handle static linking.
5319         (Target_arm::Scan::local): Ditto.
5320         (Target_arm::Scan::global): Ditto.
5321         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5322         all incorrectly implemented relocations.
5323         (Target_arm::fix_exidx_coverage): Pass layout to
5324         Arm_output_section::fix_exidx_coverage.
5325         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5326         from ".ARM.exidx." and ".ARM.extab.".
5327
5328 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5329
5330         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5331         section if it does not already exist.
5332         * attributes.cc (Attributes_section_data::Attributes_section_data):
5333         Don't crash if size is zero.
5334
5335 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5336             Ian Lance Taylor  <iant@google.com>
5337
5338         * gold.cc (queue_middle_tasks): If no input files were opened,
5339         exit.
5340         * workqueue.h (Task_function::Task_function): Assert that there is
5341         a blocker.
5342
5343 2010-02-22  Doug Kwan  <dougkwan@google.com>
5344
5345         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5346         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5347         types to avoid warnings due to different uint64_t implementations
5348         on different hosts.
5349
5350 2010-02-21  Doug Kwan  <dougkwan@google.com>
5351
5352         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5353         handling of the maximum backward branch offset.
5354         (Arm_relocate_functions::thumb_branch_common): Ditto.
5355         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5356         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5357         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5358         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5359         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5360         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5361         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5362         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5363         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5364         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5365         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5366         thumb2_bl_out_of_range.o): New rules.
5367         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5368         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5369         thumb2_bl_out_of_range
5370         * testsuite/Makefile.in: Regenerate.
5371         * testsuite/arm_bl_in_range.s: New file.
5372         * testsuite/arm_bl_out_of_range.s: Ditto.
5373         * testsuite/arm_branch_in_range.sh: Ditto.
5374         * testsuite/arm_branch_range.t: Ditto.
5375         * testsuite/thumb2_branch_range.t: Ditto.
5376         * testsuite/thumb_bl_in_range.s: Ditto.
5377         * testsuite/thumb_bl_out_of_range.s: Ditto.
5378         * testsuite/thumb_branch_range.t: Ditto.
5379
5380 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5381
5382         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5383         Add reloc offset information.
5384         * icf.cc (get_section_contents): Change iterators to point to the new
5385         vectors. Add reloc offset information to the contents.
5386         * icf.h (Icf::Sections_reachable_info): New typedef.
5387         (Icf::Sections_reachable_list): New typedef.
5388         (Icf::Offset_info): New typedef.
5389         (Icf::Reloc_info): New struct typedef.
5390         (Icf::Reloc_info_list): New typedef.
5391         (Icf::symbol_reloc_list): Delete method.
5392         (Icf::addend_reloc_list): Delete method.
5393         (Icf::section_reloc_list): Delete method.
5394         (Icf::reloc_info_list): New method.
5395         (Icf::reloc_info_list_): New member.
5396
5397 2010-02-19  Doug Kwan  <dougkwan@google.com>
5398
5399         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5400         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5401         * arm.cc (Arm_relocation_functions): New forward declaration.
5402         (Target_arm::Target_arm): Initialize new data members
5403         got_mod_index_offset_ and tls_base_symbol_defined_.
5404         (Target_arm::Relocate::relocate_tls): New method.
5405         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5406          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5407         New methods.
5408         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5409         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5410         (Target_arm::got_mod_index_offset_,
5411         Target_arm::tls_base_symbol_defined_): New data members.
5412         (Target_arm::Scan::local, Target::Scan::global,
5413         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5414         relocations.
5415
5416 2010-02-18  Doug Kwan  <dougkwan@google.com>
5417
5418         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5419         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5420         text section as a parameter becuase some broken tools may not set
5421         the link in section header.
5422         (Target_arm::has_got_section): New method.
5423         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5424         without any mapping symbol as data only.  Remove warning.
5425         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5426         link in its section header, try to discover the link by inspecting the
5427         REL31 relocation at the beginning of the section.
5428         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5429         in error message.
5430         (Target_arm::Scan::global): Treat any reference to the symbol
5431         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5432
5433 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5434
5435         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5436         (Scan::global_reloc_may_be_function_pointer): New function.
5437         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5438         (Scan::global_reloc_may_be_function_pointer): New function.
5439         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5440         (Scan::global_reloc_may_be_function_pointer): New function.
5441         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5442         (Scan::global_reloc_may_be_function_pointer): New function.
5443         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5444         (Scan::global_reloc_may_be_function_pointer): New function.
5445         (Scan::possible_function_pointer_reloc): New function.
5446         (Target_x86_64::can_check_for_function_pointers): New function.
5447         * gc.h (gc_process_relocs): Scan relocation types to determine if
5448         function pointers were taken for targets that support it.
5449         * icf.cc (Icf::find_identical_sections): Include functions for
5450         folding in safe ICF whose pointer is not taken.
5451         * icf.h (Secn_fptr_taken_set): New typedef.
5452         (fptr_section_id_): New member.
5453         (section_has_function_pointers): New function.
5454         (set_section_has_function_pointers): New function.
5455         (check_section_for_function_pointers): New function.
5456         * options.h: Fix comment for safe ICF option.
5457         * target.h (can_check_for_function_pointers): New function.
5458         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5459         Modify icf_safe_test for X86-64.
5460         * testsuite/Makefile.in: Regenerate.
5461         * testsuite/icf_safe_so_test.cc: New file.
5462         * testsuite/icf_safe_so_test.sh: New file.
5463         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5464         (main): Change to take pointer to function kept_func_3.
5465         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5466         folding is done correctly for X86-64.
5467
5468 2010-02-12  David S. Miller  <davem@davemloft.net>
5469
5470         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5471         is_symbolless parameter.
5472         (Output_reloc<SHT_REL>::is_symbolless): New.
5473         (Output_reloc<SHT_REL>::is_symbolless_): New.
5474         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5475         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5476         (Output_reloc<SHT_RELA>::is_symbolless): New.
5477         (Output_data_reloc::add_global): Handle is_symbolless.
5478         (Output_data_reloc::add_global_relative): Likewise.
5479         (Output_data_reloc::add_local): Likewise.
5480         (Output_data_reloc::add_local_relative): Likewise.
5481         (Output_data_reloc::add_symbolless_global_addend): New.
5482         (Output_data_reloc::add_symbolless_local_addend): New.
5483         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5484         is_symbolless.
5485         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5486         instead of ->is_relative_
5487         (Output_reloc::write): Likewise.
5488         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5489         (Output_reloc::write_rel): Simplify.
5490
5491         * sparc.cc (Target_sparc::Scan::local): Use
5492         ->add_symbolless_local_addend as needed.
5493         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5494         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5495         based upon relocation offset.
5496
5497 2010-02-11  Doug Kwan  <dougkwan@google.com>
5498
5499         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5500         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5501         beginning of function.
5502         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5503         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5504         parameter is_32bit in calls to should_apply_static_reloc.
5505         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5506         (check_DATA): Add arm_abs_global.stdout.
5507         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5508         arm_abs_global.stdout): New rules.
5509         (MOSTLLYCLEANFILES): Add arm_abs_global
5510         * Makefile.in: Regenerate.
5511         * testsuite/arm_abs_global.s: New file.
5512         * testsuite/arm_abs_global.sh: Ditto.
5513         * testsuite/arm_abs_lib.s: Ditto.
5514
5515 2010-02-11  Ian Lance Taylor  <iant@google.com>
5516
5517         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5518         Read_relocs task.
5519         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5520         Allocate_commons_task first.
5521         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5522         task, rather than symtab_lock_.
5523         (Gc_process_relocs::~Gc_process_relocs): New function.
5524         (Gc_process_relocs::is_runnable): Check this_blocker_.
5525         (Gc_process_relocs::locks): Use next_blocker_ rather than
5526         blocker_.
5527         (Scan_relocs::~Scan_relocs): New function.
5528         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5529         symtab_lock_.
5530         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5531         next_blocker_.
5532         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5533         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5534         constructor accordingly.
5535         (class Gc_process_relocs): Likewise.
5536         (class Scan_relocs): Likewise.
5537         * common.h (class Allocate_commons_task): Remove symtab_lock_
5538         field, and corresponding constructor parameter.
5539         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5540         symtab_lock_.
5541         (Allocate_commons_task::locks): Likewise.
5542
5543 2010-02-11  Ian Lance Taylor  <iant@google.com>
5544
5545         * gold-threads.h (class Once): Define.
5546         (class Initialize_lock): Rewrite as child of Once.
5547         * gold-threads.cc (class Once_initialize): Define.
5548         (once_pointer_control): New static variable.
5549         (once_pointer, once_arg): New static variables.
5550         (c_run_once): New static function.
5551         (Once::Once, Once::run_once, Once::internal_run): New functions.
5552         (class Initialize_lock_once): Remove.
5553         (initialize_lock_control): Remove.
5554         (initialize_lock_pointer): Remove.
5555         (initialize_lock_once): Remove.
5556         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5557         (Initialize_lock::initialize): Rewrite.
5558         (Initialize_lock::do_run_once): New function.
5559         * archive.cc (Archive::interpret_header): Only clear name if it is
5560         not already empty.
5561         * fileread.cc: Include "gold-threads.h"
5562         (file_counts_lock): New static variable.
5563         (file_counts_initialize_lock): Likewise.
5564         (File_read::release): Only increment counts when using --stats.
5565         Use a lock around the increment.
5566         * parameters.cc (class Set_parameters_target_once): Define.
5567         (set_parameters_target_once): New static variable.
5568         (Parameters::Parameters): Move here from parameters.h.
5569         (Parameters::set_target): Rewrite.
5570         (Parameters::set_target_once): New function.
5571         (Parameters::clear_target): Move here and rewrite.
5572         * parameters.h (class Parameters): Update declarations.  Add
5573         set_parameters_target_once_ field.
5574         (Parameters::Parameters): Move to parameters.cc.
5575         (Parameters::clear_target): Likewise.
5576         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5577         task.
5578         (Start_group::~Start_group): New function.
5579         (Start_group::is_runnable): New function.
5580         (Start_group::locks, Start_group::run): New functions.
5581         (Finish_group::run): Change saw_undefined to size_t.
5582         * readsyms.h (class Start_group): Define.
5583         (class Finish_group): Change saw_undefined_ field to size_t.
5584         (Finish_group::Finish_group): Remove saw_undefined and
5585         this_blocker parameters.  Change all callers.
5586         (Finish_group::set_saw_undefined): New function.
5587         (Finish_group::set_blocker): New function.
5588         * symtab.h (class Symbol_table): Change saw_undefined to return
5589         size_t.  Change saw_undefined_ field to size_t.
5590         * target-select.cc (Set_target_once::do_run_once): New function.
5591         (Target_selector::Target_selector): Initialize set_target_once_
5592         field.  Don't initialize lock_ and initialize_lock_ fields.
5593         (Target_selector::instantiate_target): Rewrite.
5594         (Target_selector::set_target): New function.
5595         * target-select.h (class Set_target_once): Define.
5596         (class Target_selector): Update declarations.  Make
5597         Set_target_once a friend.  Remove lock_ and initialize_lock_
5598         fields.  Add set_target_once_ field.
5599
5600 2010-02-10  Ian Lance Taylor  <iant@google.com>
5601
5602         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5603         queueing any tasks.
5604         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5605         (queue_middle_tasks): Add all blockers before queueing any tasks.
5606         (queue_final_tasks): Likewise.
5607         * token.h (Task_token::add_blockers): New function.
5608         * object.h (Input_objects::number_of_relobjs): New function.
5609
5610 2010-02-10  Ian Lance Taylor  <iant@google.com>
5611
5612         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5613         shared, not if not position independent.
5614         * x86_64.cc (Relocate::relocate_tls): Likewise.
5615         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5616         (tls_pie_pic_test): New target.
5617         * testsuite/Makefile.in: Rebuild.
5618
5619         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5620         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5621         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5622         * testsuite/Makefile.in: Rebuild.
5623
5624 2010-02-09  David S. Miller  <davem@davemloft.net>
5625
5626         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5627         R_SPARC_RELATIVE using ->add_local_relative().
5628         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5629
5630         * output.h (Output_data_dynamic::add_section_size): New method
5631         that takes two Output_data objects.
5632         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5633         entry param.  Handle it in initializers.
5634         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5635         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5636         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5637         arg.
5638         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5639         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5640         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5641         for dynrel_includes_plt.
5642         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5643         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5644         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5645         before .rela.plt
5646         (Target_sparc::do_finalize_sections): Update to pass true for
5647         dynrel_includes_plt.
5648         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5649         output before .rela.plt
5650         (Target_powerpc::do_finalize_sections): Update to pass true for
5651         dynrel_includes_plt when 32-bit.
5652
5653 2010-02-08  Doug Kwan  <dougkwan@google.com>
5654
5655         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5656         method.
5657         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5658         Arm_relobj::scan_section_for_cortex_a8_stubs,
5659         Arm_relobj::do_relocation_section): Instead of calling
5660         Output_section::output_address, use faster
5661         Arm_relobj::simple_input_section_output_address.
5662
5663 2010-02-08  David S. Miller  <davem@davemloft.net>
5664
5665         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5666         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5667         relocation helper function.
5668
5669         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5670         just like R_SPARC_GOT{10,13,22}.
5671         (Target_sparc::Scan::local): Likewise.
5672         (Target_sparc::Relocate:relocate): Likewise.
5673
5674 2010-02-06  Ian Lance Taylor  <iant@google.com>
5675
5676         * configure.ac: Rewrite targetobjs duplicate removal code to use
5677         only shell constructs.
5678         * configure: Rebuild.
5679
5680 2010-02-05  Doug Kwan  <dougkwan@google.com>
5681
5682         PR 11247
5683         * arm.cc (Arm_relobj::section_is_scannable): New method.
5684         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5685         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5686
5687 2010-02-04  Doug Kwan  <dougkwan@google.com>
5688
5689         PR 11247
5690         * arm-reloc-property.cc (cstdio): Include.
5691         * configure.ac (targetobjs): Remove duplicates.
5692         * configure: Regenerate.
5693         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5694         big and little endian version for a given address size.
5695
5696 2010-02-03  Doug Kwan  <dougkwan@google.com>
5697
5698         * arm-reloc-property.cc
5699         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5700         definition.
5701         * arm-reloc-property.h
5702         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5703         New method definition.
5704         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5705         declaration.
5706         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5707         overflow to N.
5708         (GOT_PREL): Change implemented to Y.
5709         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5710         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5711         (Arm_relocate_functions::movw_abs_nc): Remove method.
5712         (Arm_relocate_functions::movt_abs): Ditto.
5713         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5714         (Arm_relocate_functions::thm_movt_abs): Ditto.
5715         (Arm_relocate_functions::movw_rel_nc): Ditto.
5716         (Arm_relocate_functions::movw_rel): Ditto.
5717         (Arm_relocate_functions::movt_rel): Ditto.
5718         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5719         (Arm_relocate_functions:thm_movw_rel): Ditto.
5720         (Arm_relocate_functions:thm_movt_rel): Ditto.
5721         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5722         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5723         New method definitions.
5724         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5725         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5726         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5727         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5728         (Target_arm::Relocate::relocate): Check for non-static or
5729         unimplemented relocation code and exit early.  Change calls to
5730         Target_arm::reloc_uses_thumb_bit and
5731         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5732         instead.  Refactor code to handle similar relocations to increase
5733         code sharing.  Remove check for unsupported relocation code in switch
5734         statement.
5735         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5736         relocation property table to find out size.  Change error message to
5737         print out the name of a relocation code instead of the numeric value.
5738         (Target_arm::scan_reloc_for_stub): Use relocation property table
5739         instead of calling Target_arm::reloc_uses_thumb_bit().
5740
5741 2010-02-02  Doug Kwan  <dougkwan@google.com>
5742
5743         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5744         types of relaxed input section.
5745
5746 2010-02-02  Doug Kwan  <dougkwan@google.com>
5747
5748         * Makefile.am (HFILES): Add arm-reloc-property.h.
5749         (DEFFILES): New.
5750         (TARGETSOURCES): Add arm-reloc-property.cc
5751         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5752         (libgold_a_SOURCES): $(DEFFILES)
5753         * Makefile.in: Regenerate.
5754         * arm-reloc-property.cc: New file.
5755         * arm-reloc-property.h: New file.
5756         * arm-reloc.def: New file.
5757         * arm.cc: Update comments.
5758         (arm-reloc-property.h): New included header.
5759         (arm_reloc_property_table): New global variable.
5760         (Target_arm::do_select_as_default_target): New method definition.
5761         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5762         arm-reloc-property to targ_extra_obj.
5763         * parameters.cc (set_parameters_target): Call
5764         Target::select_as_default_target().
5765         * target.h (Target::select_as_default_target): New method definition.
5766         (Target::do_select_as_default_target): Same.
5767
5768 2010-02-01  Doug Kwan  <dougkwan@google.com>
5769
5770         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5771         first_output_text_section_.
5772         (Arm_exidx_fixup::first_output_text_section): New method definition.
5773         (Arm_exidx_fixup::first_output_text_section_): New data member.
5774         (Arm_exidx_fixup::process_exidx_section): Record the first text
5775         output section seen.
5776         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5777         and entsize in output section header.
5778
5779 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5780
5781         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5782         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5783         (Arm_relocate_functions::thm_alu11): New Method.
5784         (Arm_relocate_functions::thm_pc8): New Method.
5785         (Arm_relocate_functions::thm_pc12): New Method.
5786         (Target_arm::Scan::local): Handle the relocations.
5787         (Target_arm::Scan::global): Likewise.
5788         (Target_arm::Relocate::relocate): Likewise.
5789         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5790
5791 2010-01-29  Doug Kwan  <dougkwan@google.com>
5792
5793         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5794         of relocation types as ld.
5795
5796 2010-01-29  Doug Kwan  <dougkwan@google.com>
5797
5798         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5799         to public.
5800         (Arm_relocate_functions::thumb_branch_common): Ditto.
5801         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5802         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5803         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5804         Arm_relocate_functions::jump24): Remove.
5805         (Target_arm::Relocate::relocate): Adjust code to call
5806         Arm_relocation_functions::arm_branch_common and
5807         Arm_relocation_functions::thumb_branch_common instead of their removed
5808         wrappers.  Merge switch-cases together to reduce source code size.
5809
5810 2010-01-29  Doug Kwan  <dougkwan@google.com>
5811
5812         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5813         output_local_symbol_count_needs_update_.
5814         (Arm_relobj::output_local_symbol_count_needs_update,
5815          Arm_relobj::set_output_local_symbol_count_needs_update,
5816          Arm_relobj::update_output_local_symbol_count): New methods.
5817         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5818         member.
5819         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5820         of pointed function as in a R_ARM_PREL31 relocation.
5821         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5822         for output local symbol count updating.
5823         (Target_arm::do_relax): Update output local symbol counts in objects
5824         if necessary.
5825         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5826
5827 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5828
5829         * arm.cc: Added support for the ARM relocations:
5830         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5831         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5832         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5833         movw_prel_nc).
5834         (Arm_relocate_functions::movw_rel): New method.
5835         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5836         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5837         thm_movw_prel_nc).
5838         (Arm_relocate_functions::thm_movw_rel): New method.
5839         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5840         thm_movt_prel).
5841         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5842         relocations.
5843         (Target_arm::Scan::global): Likewise.
5844         (Target_arm::Relocate::relocate): Likewise.
5845         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5846         Likewise.
5847
5848 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5849
5850         * arm.cc: Added support for ARM group relocations.
5851         (Target_arm::reloc_needs_sym_origin): New method.
5852         (Arm_relocate_functions::calc_grp_kn): New method.
5853         (Arm_relocate_functions::calc_grp_residual): New method.
5854         (Arm_relocate_functions::calc_grp_gn): New method.
5855         (Arm_relocate_functions::arm_grp_alu): New Method.
5856         (Arm_relocate_functions::arm_grp_ldr): New Method.
5857         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5858         (Arm_relocate_functions::arm_grp_ldc): New Method.
5859         (Target_arm::Scan::local): Handle the ARM group relocations.
5860         (Target_arm::Scan::global): Likewise.
5861         (Target_arm::Relocate::relocate): Likewise.
5862         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5863         Likewise.
5864
5865 2010-01-26  Doug Kwan  <dougkwan@google.com>
5866
5867         * arm.cc (set): Include.
5868         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5869         pointer type.
5870         (Arm_output_section::Text_section_list): New type.
5871         (Arm_output_section::append_text_sections_to_list): New method.
5872         (Arm_output_section::fix_exidx_coverage): Ditto.
5873         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5874         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5875         Relobj::set_section_offset() instead of
5876         Sized_relobj::invalidate_section_offset().
5877         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5878         parameter for section headers. Ignore relocation sections for
5879         unallocated sections and EXIDX sections.
5880         (Target_arm::fix_exidx_coverage): New method.
5881         (Target_arm::output_section_address_less_than): New type.
5882         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5883         linked text section instead of the EXIDX section.
5884         (Arm_output_section::create_stub_group): Add an assertion to check
5885         that this is not an EXIDX output section.
5886         (Arm_output_section::append_text_sections_to_list): New method.
5887         (Arm_output_section::fix_exidx_coverage): Ditto.
5888         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5889         Arm_relobj::section_needs_reloc_stub_scanning.
5890         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5891         first pass.
5892         (Target_arm::fix_exidx_coverage): New method.
5893         * object.h (Relobj::set_output_section): New method.
5894         (Sized_relobj::invalidate_section_offset): Remove method.
5895         (Sized_relobj::do_invalidate_section_offset): Remove method.
5896         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5897
5898 2010-01-25  Doug Kwan  <dougkwan@google.com>
5899
5900         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5901         Fix warning due to signed and unsigned comparison on a 32-bit host.
5902
5903 2010-01-22  Doug Kwan  <dougkwan@google.com>
5904
5905         * arm.cc (Target_arm::do_relax): Record an output section for section
5906         offset adjustment it contains any stub table that has changed.
5907         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5908         offsets in an output section if necessary.
5909         * output.cc (Output_section::Output_section): Initialize
5910         section_offsets_need_adjustments_.
5911         (Output_section::add_input_section_for_script): Renamed to
5912         Output_section::add_simple_input_section.
5913         (Output_section::save_states): Add a comment.
5914         (Output_section::discard_states): New method defintion.
5915         (Output_section::adjust_section_offsets): Same.
5916         * output.h (Output_section::add_input_section_for_script): Renamed to
5917         Output_section::add_simple_input_section.
5918         (Output_section::discard_states): New method declaration.
5919         (Output_section::adjust_section_offsets): Same.
5920         (Output_section::section_offsets_need_adjustment,
5921         Output_section::set_section_offsets_need_adjustment): New method
5922         definitions.
5923         (Output_section::section_offsets_need_adjustment_): New data member.
5924         * script-sections.cc
5925         (Output_section_element_input::set_section_address): Adjust code for
5926         renaming of Output_section::add_input_section_for_script.
5927         (Orphan_output_section::set_section_address): Same.
5928
5929 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5930
5931         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5932         Fix_v4bx enum values .
5933         * gold/options.h (General_options): New option definitions.
5934         (General_options::fix_v4bx): New method.
5935         (General_options::Fix_v4bx): New enum.
5936         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5937         (General_options::parse_fix_v4bx_interworking): New method.
5938
5939 2010-01-22  Doug Kwan  <dougkwan@google.com>
5940
5941         * arm.cc (Arm_exidx_fixup): New class.
5942
5943 2010-01-21  Doug Kwan  <dougkwan@google.com>
5944
5945         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5946         classes.
5947         (Arm_exidx_section_offset_map): New type.
5948
5949 2010-01-21  Doug Kwan  <dougkwan@google.com>
5950
5951         * arm.cc (Arm_exidx_input_section): New class.
5952         (Arm_relobj::exidx_input_section_by_link,
5953         Arm_relobj::exidx_input_section_by_shndx,
5954         Arm_relobj::make_exidx_input_section): New methods.
5955         (read_arm_attributes_section): Remove.
5956         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5957         information about them.
5958         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5959         to here.
5960
5961 2010-01-20  Doug Kwan  <dougkwan@google.com>
5962
5963         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5964         Input_section_specifier to Section_id.
5965         (Target_arm::new_arm_input_section: Adjust code for change of key
5966         type.
5967         (Target_arm::find_arm_input_section): Ditto.
5968         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5969         (Section_id): Remove.
5970         (Garbage_collection::Section_id_hash): Remove.
5971         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5972         (Section_id): Remove.
5973         (Icf::Section_id_hash): Remove.
5974         * object.h (Section_id, Const_section_id, Section_id_hash,
5975         Const_section_id_hash): New type definitions.
5976         * output.cc (Output_section::add_relaxed_input_section): Change to
5977         use Const_section_id instead of Input_section_specifier as key type.
5978         (Output_section::add_merge_input_section): Ditto.
5979         (Output_section::build_relaxation_map): Change to use Section_id
5980         instead of Input_section_specifier as key type.
5981         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5982         Ditto.
5983         (Output_section::convert_input_sections_to_relaxed_sections): Change
5984         to use Const_section_id instead of Input_section_specifier as key type.
5985         (Output_section::find_merge_section): Ditto.
5986         (Output_section::find_relaxed_input_section): Ditto.
5987         * output.h (Input_section_specifier): Remove class.
5988         (Output_section::Output_section_data_by_input_section_map): Change
5989         key type to Const_section_id.
5990         (Output_section::Output_relaxed_input_section_by_input_section_map):
5991         Ditto.
5992         (Output_section::Relaxation_map): Change key type to Section_id.
5993
5994 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5995
5996         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5997         (class Arm_v4bx_stub): New class.
5998         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5999         (Stub_factory::make_arm_v4bx_stub): New method.
6000         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6001         (Stub_table::empty): Handle v4bx stubs.
6002         (Stub_table::add_arm_v4bx_stub): New method.
6003         (Stub_table::find_arm_v4bx_stub): New method.
6004         (Arm_relocate_functions::v4bx): New method.
6005         (Target_arm::fix_v4bx): New method.
6006         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6007         (Stub_table::relocate_stubs): Likewise.
6008         (Stub_table::do_write): Likewise.
6009         (Stub_table::update_data_size_and_addralign): Likewise.
6010         (Stub_table::finalize_stubs):  Likewise.
6011         (Target_arm::Scan::local): Likewise.
6012         (Target_arm::Scan::global): Likewise.
6013         (Target_arm::do_finalize_sections): Likewise.
6014         (Target_arm::Relocate::relocate): Likewise.
6015         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6016         Likewise.
6017         (Target_arm::scan_reloc_for_stub): Likewise.
6018         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6019
6020 2010-01-19  Ian Lance Taylor  <iant@google.com>
6021
6022         * output.cc (Output_section_headers::do_sized_write): Write large
6023         segment count to sh_info field.
6024         (Output_file_header::do_sized_write): For large segment count,
6025         write PN_XNUM to e_phnum field.
6026
6027 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6028
6029         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6030         (Arm_relocate_functions::thm_jump8): New function.
6031         (Arm_relocate_functions::thm_jump11): New function.
6032         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6033         R_ARM_THM_JUMP11.
6034         (Target_arm::Scan::global): Likewise.
6035         (Target_arm::Relocate::relocate): Likewise.
6036         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6037         Likewise.
6038
6039 2010-01-14  Doug Kwan  <dougkwan@google.com>
6040
6041         * arm.cc (map, utility): Include headers.
6042         (Target_arm::apply_cortex_a8_workaround): New method.
6043         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6044         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6045         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6046         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6047         the --[no-]fix-cortex-a8 command line options.
6048         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6049         (Target_arm::relocate_stub): Use addend in instruction template.
6050         * options.h (DEFINE_bool): Set the user-set flag.
6051         (General_options): Add --[no-]-fix-cortex options.
6052         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6053         : Update fast look-up map after conversion.
6054
6055 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6056
6057         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6058         in the first pass of do_layout.
6059
6060 2010-01-13  Doug Kwan  <dougkwan@google.com>
6061
6062         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6063         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6064         apparent compiler problem of not folding static constant integral
6065         data members of elfcpp::Elf_sizes<32>.
6066
6067 2010-01-13  Doug Kwan  <dougkwan@google.com>
6068
6069         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6070         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6071         Arm_relobj::scan_section_for_cortex_a8_erratum,
6072         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6073         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6074         sections to scan for relocation stubs into a new method
6075         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6076         relocation and Cortex-A8 stub scanning.
6077         (Target_arm::do_relax): Force stubs to be after stubbed sections
6078         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6079         the beginning of a new relaxation pass.  Update a comment.
6080         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6081
6082 2010-01-12  Ian Lance Taylor  <iant@google.com>
6083
6084         * target-reloc.h (visibility_error): New inline function.
6085         (relocate_section): Call visibility_error.
6086         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6087         (MOSTLYCLEANFILES): Likewise.
6088         (protected_4_pic.o, protected_3.err): New targets.
6089         * testsuite/protected_4.cc: New file.
6090
6091 2010-01-12  Doug Kwan  <dougkwan@google.com>
6092
6093         * arm.cc (Cortex_a8_reloc): New class.
6094         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6095         and cortex_a8_relocs_info_.
6096         (Target_arm::fix_cortex_a8): New method definition.
6097         (Target_arm::Cortex_a8_relocs_info): New type.
6098         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6099         New data member declarations.
6100         (Target_arm::scan_reloc_for_stub): Record information about
6101         relocations for THUMB branches that might be exempted from the
6102         Cortex-A8 workaround.
6103         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6104         at the beginning of a relaxation pass.
6105
6106 2010-01-12  Doug Kwan  <dougkwan@google.com>
6107
6108         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6109         (Arm_relobj::Mapping_symbol_position,
6110          Arm_reloj::Mapping_symbol_position_less,
6111          Arm_relobj::Mapping_symbols_info): New types.
6112         (Target_arm::is_mapping_symbol_name): New method definition.
6113         (Arm_relobj::do_count_local_symbols): Save information about mapping
6114         symbols.
6115
6116 2010-01-11  Doug Kwan  <dougkwan@google.com>
6117
6118         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6119         Arm_relocate_functions::thumb32_branch_upper,
6120         Arm_relocate_functions::thumb32_branch_lower,
6121         Arm_relocate_functions::thumb32_cond_branch_offset,
6122         Arm_relocate_functions::thumb32_cond_branch_upper,
6123         Arm_relocate_functions::thumb32_cond_branch_lower,
6124         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6125         branch offset encoding.
6126         (Arm_relocate_functions::thumb_branch_common): Use new branch
6127         offset encoding methods to avoid code duplication.
6128         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6129         (Stub_addend_reader::operator()): Use new branch encoding method
6130         to avoid code duplication.
6131
6132 2010-01-11  Doug Kwan  <dougkwan@google.com>
6133
6134         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6135         (Target_arm::do_finalize_sections): Define special EXIDX section
6136         symbols only if referenced.
6137         * gc.h (Garbage_collection::add_reference): New method.
6138         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6139         code duplication.
6140
6141 2010-01-11  Ian Lance Taylor  <iant@google.com>
6142
6143         * script.cc (Version_script_info::build_expression_list_lookup):
6144         Change complaing about duplicate wildcard match from error to
6145         warning.
6146
6147         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6148         of 2009-12-30.
6149         (Version_script_info::Version_script_info): Initialize globs_,
6150         default_version_, default_is_global_, and exact_.  Don't
6151         initialize globals_ or locals_.
6152         (Version_script_info::build_lookup_tables): Build local symbols
6153         first.
6154         (Version_script_info::unquote): New function.
6155         (Version_script_info::add_exact_match): New function.
6156         (Version_script_info::build_expression_list_lookup): Remove lookup
6157         parameter.  Add is_global parameter.  Change all callers.  Handle
6158         wildcard pattern specially.  Unquote pattern.  Call
6159         add_exact_match.
6160         (Version_script_info::get_name_to_match): New function.
6161         (Version_script_info::get_symbol_version): New function.
6162         (Version_script_info::get_symbol_version_helper): Remove.
6163         (Version_script_info::check_unmatched_names): Call unquote.
6164         * script.h (class Version_script_info): Change get_symbol_version
6165         to be non-inline and add is_global parameter; change all callers.
6166         Rewrite symbol_is_local.  Update declarations.  Define struct
6167         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6168         Remove globals_ and locals_ members.  Add exact_, globs_,
6169         default_version_, is_global_.
6170         (Version_script_info::Glob): Remove pattern, add expression and
6171         is_global.  Update constructor.  Change all callers.
6172         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6173         default version.
6174         (Versions::symbol_section_contents): If a symbol is undefined, or
6175         defined in a dynamic object, set the version index to
6176         VER_NDX_LOCAL.
6177         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6178         symbol_is_local.
6179         (Symbol_table::add_from_pluginobj): Likewise.
6180         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6181
6182 2010-01-11  Doug Kwan  <dougkwan@google.com>
6183
6184         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6185         (incremental_dump_LDADD): Add linking option for libintl.
6186         * Makefile.in: Regenerate.
6187
6188 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6189
6190         PR gold/11144
6191         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6192         instead of -Ds.
6193         * testsuite/Makefile.in: Regenerated.
6194
6195 2010-01-10  Doug Kwan  <dougkwan@google.com>
6196
6197         * options.h (DEFINE_var): Use parentheses around argument varname__
6198         in macro body to avoid any unintended subsequent substitutions.
6199
6200 2010-01-10  Ian Lance Taylor  <iant@google.com>
6201
6202         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6203         candidates before doing symbol resolution.
6204
6205         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6206         ODR candidates if only one is weak.
6207
6208 2010-01-08  Ian Lance Taylor  <iant@google.com>
6209
6210         * script.cc (Version_script_info::build_expression_list_lookup):
6211         Don't warn about ambiguous version, just record the ambiguity.
6212         (Version_script_info::get_symbol_version_helper): Give error if
6213         version is ambiguous.
6214
6215 2010-01-08  Doug Kwan  <dougkwan@google.com>
6216
6217         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6218           prev_data_size_ and prev_addralign_.  Remove initializer for
6219           deleted data member has_been_changed_.
6220           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6221           to determine if the table is empty.
6222           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6223           Remove.
6224           (Stub_table::add_reloc_stub): Define method in class definition
6225           instead of just declaring it there.
6226           (Stub_table::add_cortex_a8_stub): New method definition.
6227           (Stub_table::update_data_size_and_addralign): Ditto.
6228           (Stub_table::finalize_stubs): Ditto.
6229           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6230           (Stub_table::do_addralign_): Return address alignment in the
6231           (Stub_table::do_reset_address_and_file_offset): Define method in
6232           class definition instead of declaring it there.  Set current data
6233           size to be the data size of the previous pass.
6234           (Stub_table::set_final_data_size): Use current data size as the
6235           final data size.
6236           (Stub_table::relocate_stub): Change parameter type of stub from
6237           Reloc_stub pointer to Stub pointer.
6238           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6239           (Stub_table::Cortex_a8_stub_list): New typedef.
6240           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6241            Stub_table::prev_addralign_): New data member.
6242           (Arm_relobj::Arm_relobj): Initialize data member
6243           section_has_cortex_a8_workaround_.
6244           (Arm_relobj::section_has_cortex_a8_workaround,
6245            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6246            definitions.
6247           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6248           declarations.
6249           (Target_arm::relocate_stub): Change parameter type of stub from
6250           Reloc_stub pointer to Stub pointer.
6251           (Insn_template::size, Insn_template::alignment): Handle
6252           THUMB16_SPECIAL_TYPE.
6253           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6254            Stub_table::update_data_size_and_addralign,
6255            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6256           definitions.
6257           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6258           (Stub_table::do_write): Ditto.
6259           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6260
6261 2010-01-08  Ian Lance Taylor  <iant@google.com>
6262
6263         PR 11108
6264         * symtab.h (class Symbol): Remove fields is_target_special_ and
6265         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6266         (Symbol::is_defined_in_discarded_section): New function.
6267         (Symbol::set_is_defined_in_discarded_section): New function.
6268         (Symbol::has_plt_offset): Rewrite.
6269         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6270         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6271         Don't initialize is_target_special_ or has_plt_offset_.
6272         Initialize is_defined_in_discarded_section_.
6273         (Symbol_table::add_from_relobj): If appropriate, set
6274         is_defined_in_discarded_section.
6275         * resolve.cc (Symbol::override_base_with_special): Don't test
6276         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6277         * target-reloc.h (relocate_section): Do special handling for
6278         symbols defined in discarded sections for global symbols as well
6279         as local symbols.
6280
6281 2010-01-08  Ian Lance Taylor  <iant@google.com>
6282
6283         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6284         the SHT_SYMTAB case.
6285
6286 2010-01-08  Ian Lance Taylor  <iant@google.com>
6287
6288         * object.cc (Sized_relobj::do_layout): Don't get confused if
6289         layout_eh_frame returns NULL.
6290
6291 2010-01-08  Ian Lance Taylor  <iant@google.com>
6292
6293         PR 11084
6294         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6295         dynamic symbol table, use the normal symbol table.
6296         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6297         symbol table.
6298
6299 2010-01-08  Ian Lance Taylor  <iant@google.com>
6300
6301         PR 11072
6302         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6303         sections.
6304
6305 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6306
6307         * version.cc (print_version): Change to "Copyright 2010".
6308
6309 2010-01-08  Ian Lance Taylor  <iant@google.com>
6310
6311         PR 10287
6312         PR 11063
6313         * i386.cc (class Target_i386): Change return type of plt_section
6314         to be non-const.
6315         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6316         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6317         tls_desc_rel_ field.
6318         (Output_data_plt_i386::rel_tls_desc): New function.
6319         (Target_i386::rel_tls_desc_section): New function.
6320         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6321         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6322         R_386_TLS_DESC reloc in rel_tls_desc_section.
6323         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6324         Define struct Tlsdesc_info.
6325         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6326         (Target_x86_64::do_reloc_symbol_index): New function.
6327         (Target_x86_64::add_tlsdesc_info): New function.
6328         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6329         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6330         tlsdesc_rel_ field.
6331         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6332         all callers.
6333         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6334         (Target_x86_64::rela_tlsdesc_section): New function.
6335         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6336         handling.
6337         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6338         (Target_x86_64::do_reloc_addend): New function.
6339         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6340         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6341         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6342         (Output_reloc::type): New function.
6343         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6344         (Output_reloc::is_target_specific): New function.
6345         (Output_reloc::target_arg): New function.
6346         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6347         absolute relocs and target specific relocs.
6348         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6349         add_target_specific.
6350         (class Output_data_reloc) [SHT_RELA]: Likewise.
6351         * output.cc (Output_reloc::Output_reloc): Add four new versions
6352         for absolute relocs and target specific relocs.
6353         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6354         (Output_reloc::get_symbol_index): Likewise.
6355         (Output_reloc::local_section_offset): Check that local_sym_index_
6356         is not TARGET_CODE or 0.
6357         (Output_reloc::symbol_value): Likewise.
6358         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6359         reloc.
6360         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6361         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6362         functions.
6363         * layout.cc (add_target_dynamic_tags): Use output section for
6364         DT_PLTRELSZ and DT_JMPREL.
6365
6366 2010-01-07  Ian Lance Taylor  <iant@google.com>
6367
6368         PR 11061
6369         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6370         function.
6371         (class Output_data_reloc_generic): Define.
6372         (class Output_data_reloc_base): Change base class to
6373         Output_data_reloc_generic.  Change add() method to call
6374         bump_relative_reloc_count for a relative reloc.  Remove
6375         sort_relocs_ field.
6376         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6377         to sort_relocs().
6378         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6379         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6380         appropriate.
6381         * layout.h (class Layout): Update declaration.
6382
6383 2010-01-07  Ian Lance Taylor  <iant@google.com>
6384
6385         * output.h (class Output_data): Add const version of
6386         output_section and do_output_section.
6387         (class Output_section_data): Add const version of
6388         do_output_section.
6389         (class Output_section): Likewise.
6390         * layout.cc (Layout::add_target_dynamic_tags): New function.
6391         * layout.h (class Layout): Update declarations.
6392         * arm.cc (Target_arm::do_finalize_sections): Use
6393         add_target_dynamic_tags.
6394         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6395         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6396         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6397         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6398
6399 2010-01-07  Ian Lance Taylor  <iant@google.com>
6400
6401         PR 11042
6402         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6403         object as needed.
6404
6405 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6406             Ian Lance Taylor  <iant@google.com>
6407
6408         PR 11019
6409         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6410         Xindex::read_symtab_xindex.
6411
6412 2010-01-07  Doug Kwan  <dougkwan@google.com>
6413
6414         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6415         (Insn_template::thumb16_bcond_insn): New method declaration.
6416         (Insn_template): Fix spelling.
6417         (Stub::thumb16_special): New method declaration.
6418         (Stub::do_write): Define virtual method which was previously pure
6419         virtual.
6420         (Stub::do_thumb16_special): New method declaration.
6421         (Stub::do_fixed_endian_write): New template member.
6422         (Reloc_stub::do_write): Remove.
6423         (Reloc_stub::do_fixed_endian_write): Remove.
6424         (Cortex_a8_stub): New class definition.
6425         (Stub_factory::make_cortex_a8_stub): New method definition.
6426         (Stub_factory::Stub_factory): Add missing static storage class
6427         qualifier for elf32_arm_stub_a8_veneer_blx.
6428
6429 2010-01-07  Ian Lance Taylor  <iant@google.com>
6430
6431         PR 10980
6432         * options.h (class General_options): Add --warn-unresolved-symbols
6433         and --error-unresolved-symbols.
6434         * errors.cc (Errors::undefined_symbol): Implement
6435         --warn-unresolved-symbols.
6436
6437         * options.h (class General_options): Add -z text and -z textoff.
6438         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6439
6440 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6441
6442         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6443         (Garbage_collection::cident_sections): New function.
6444         (Garbage_collection::add_cident_section): New function.
6445         (Garbage_collection::cident_sections_): New member.
6446         (gc_process_relocs): Add references to sections whose names are C
6447         identifiers.
6448         * gold.h (cident_section_start_prefix): New constant.
6449         (cident_section_stop_prefix): New constant.
6450         (is_cident): New function.
6451         * layout.cc (Layout::define_section_symbols): Replace string constants
6452         with the newly defined constants.
6453         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6454         C identifiers.
6455         * testsuite/Makefile.am: Add gc_orphan_section_test.
6456         * testsuite/Makefile.in: Regenerate.
6457         * testsuite/gc_orphan_section_test.cc: New file.
6458         * testsuite/gc_orphan_section_test.sh: New file.
6459
6460 2010-01-06  Ian Lance Taylor  <iant@google.com>
6461
6462         PR 10980
6463         * options.h (class General_options): Add --warn-shared-textrel.
6464         * layout.cc (Layout::finish_dynamic_section): Implement
6465         --warn-shared-textrel.
6466
6467         PR 10980
6468         * options.h (class General_options): Add --warn-multiple-gp.
6469
6470 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6471
6472         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6473         $(THREADSLIB) and $(LIBDL).
6474         * Makefile.in: Rebuild.
6475
6476 2010-01-06  Ian Lance Taylor  <iant@google.com>
6477
6478         PR 10980
6479         * options.cc (General_options::parse_section_start): New function.
6480         (General_options::section_start): New function.
6481         (General_options::General_options): Initialize all members.
6482         * options.h: Include <map>
6483         (class General_options): Add --section-start.  Add section_starts_
6484         member.
6485         * layout.cc (Layout::attach_allocated_section_to_segment): If
6486         --section-start was used, set the address of the segment.  Remove
6487         local sort_sections.
6488         (Layout::relaxation_loop_body): If the address of the load segment
6489         has been set by --section-start, don't use it.
6490         * output.h (Output_segment::update_flags_for_output_section): New
6491         function.
6492         * output.cc (Output_segment::add_output_section): Call
6493         update_flags_for_output_section.
6494
6495 2010-01-05  Ian Lance Taylor  <iant@google.com>
6496
6497         PR 10980
6498         * options.h (class General_options): Add --undefined-version.
6499         * script.cc (struct Version_expression): Add was_matched_by_symbol
6500         field.
6501         (Version_script_info::matched_symbol): New function.
6502         (Version_script_info::get_symbol_version_helper): Call
6503         matched_symbol.
6504         (Version_script_info::check_unmatched_names): New function.
6505         * script.h (class Version_script_info): Update declarations.
6506         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6507
6508         * options.h (class General_options): Use DEFINE_bool_alias for
6509         allow_multiple_definition.
6510         * resolve.cc (Symbol_table::should_override): Don't test
6511         allow_multiple_definition.
6512
6513         PR 10980
6514         * options.h (class General_options): Add --cref.
6515         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6516         until after printing cref table.
6517         * cref.cc: Include "symtab.h".
6518         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6519         (Cref_table_compare::operator()): New function.
6520         (Cref_inputs::gather_cref): New function.
6521         (filecol): New static const.
6522         (Cref_inputs::print_cref): New function.
6523         (Cref::print_cref): New function.
6524         * cref.h: Include <cstdio>.
6525         (class Cref): Update declarations.
6526         * mapfile.h (Mapfile::file): New function.
6527         * object.h (class Object): Define Symbols.  Declare virtual
6528         do_get_global_symbols.
6529         (Object::get_global_symbols): New function.
6530         * object.cc (Input_objects::add_object): Pass object to cref_ if
6531         --cref.
6532         (Input_objects::archive_start): Likewise.
6533         (Input_objects::archive_stop): Likewise.
6534         (Input_objects::print_cref): New function.
6535         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6536         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6537         --cref.
6538         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6539         function.
6540         * plugin.h (class Sized_pluginobj): Update declarations.
6541
6542 2010-01-05  Ian Lance Taylor  <iant@google.com>
6543
6544         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6545         to is_default_version.  Rename insdef to insdefault.
6546         (Symbol_table::add_from_relobj): Rename def to is_default_version
6547         and local to is_forced_local.
6548         (Symbol_table::add_from_pluginobj): Likewise.
6549         (Symbol_table::add_from_dynobj): Likewise.
6550         (Symbol_table::define_special_symbol): Rename insdef to
6551         insdefault.
6552
6553 2010-01-04  Ian Lance Taylor  <iant@google.com>
6554
6555         PR 10980
6556         * options.h (class General_options): Add
6557         --allow-multiple-definition and -z muldefs.
6558         * resolve.cc (Symbol_table::should_override): Don't warn about a
6559         multiple symbol definition if --allow-multiple-definition or -z
6560         muldefs.
6561
6562         PR 10980
6563         * options.h (class General_options): Add --add-needed and
6564         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6565         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6566         error if --copy-dt-needed-entries aka --add-needed is used and
6567         would cause a change in behaviour.
6568
6569         PR 10980
6570         * options.h (class General_options): Add -G as a short version of
6571         --shared.  Add no-op options -assert, -g, and -i.
6572
6573 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6574
6575         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6576         check for .text or .gnu.linkonce.t sections.
6577         * icf.cc (Icf::find_identical_sections): Ditto.
6578         Change the detection for mangled function name within the section
6579         name.
6580         * icf.h (is_section_foldable_candidate): New function.
6581
6582 2009-12-30  Ian Lance Taylor  <iant@google.com>
6583
6584         PR 10980
6585         * options.h (class General_options): Permit two dashes with
6586         --retain-symbols-file.
6587
6588 2009-12-30  Ian Lance Taylor  <iant@google.com>
6589
6590         PR 10979
6591         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6592         don't put the file header and segment headers in the text
6593         segment.
6594
6595         PR 10979
6596         * common.cc (Sort_commons::operator()): Stabilize sort when both
6597         entries are NULL.
6598         (Symbol_table::do_allocate_commons_list): When allocating common
6599         symbols, skip a symbol which is no longer common.
6600         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6601         an object before checking its type.
6602         * testsuite/common_test_2.c: New file.
6603         * testsuite/common_test_3.c: New file.
6604         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6605         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6606         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6607         (common_test_2_pic.o, common_test_2.so): New targets.
6608         (common_test_3_pic.o, common_test_3.so): New targets.
6609         * testsuite/Makefile.in: Rebuild.
6610
6611         PR 10979
6612         * script.cc (read_input_script): If we see a new SECTIONS clause,
6613         and we have added an input section, give an error.
6614         * layout.h (class Layout): Add have_added_input_section function.
6615         Add have_added_input_section_ field.
6616         * layout.cc (Layout::Layout): Initialize
6617         have_added_input_section_.
6618         (Layout::layout): Set have_added_input_section_.
6619         (Layout::layout_eh_frame): Likewise.
6620
6621 2009-12-30  Ian Lance Taylor  <iant@google.com>
6622
6623         PR 10931
6624         * options.h (class General_options): Add --sort-common option.
6625         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6626         * common.cc (Sort_common): Add sort_order parameter to
6627         constructor.  Add sort_order_ field.
6628         (Sort_commons::operator): Check sort_order_.
6629         (Symbol_table::allocate_commons): Determine the sort order.
6630         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6631         Change all callers.
6632         (Symbol_table::do_allocate_commons_list): Likewise.
6633
6634 2009-12-30  Ian Lance Taylor  <iant@google.com>
6635
6636         PR 10916
6637         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6638         symbols from this object, don't change the visibility of an
6639         undefined symbol.
6640         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6641
6642 2009-12-30  Ian Lance Taylor  <iant@google.com>
6643
6644         PR 10861
6645         * script.h (class Version_script_info): Define Language enum.
6646         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6647         new fields globals_, locals_, and is_finalized_.
6648         * script.cc: Various formatting fixes.
6649         (class Parser_closure): Change language_stack_ from a vector of
6650         std::string to one of Version_script_info::Language.  Adjust all
6651         uses accordingly.
6652         (class Lazy_demangler): Remove.
6653         (struct Version_expression): Change language from std::string to
6654         Version_script_info::Language.
6655         (Version_script_info::Version_script_info): New function.
6656         (Version_script_info::~Version_script_info): Don't call clear.
6657         (Version_script_info::finalize): New function.
6658         (Version_script_info::build_lookup_tables): New function.
6659         (Version_script_info::build_expression_list_lookup): New
6660         function.
6661         (Version_script_info::get_symbol_version_helper): Rewrite to use
6662         lookup tables.
6663         (Version_script_info::print_expression_list): Adjust to use
6664         Version_script_info::Language.
6665         (script_push_lex_into_version_mode): Check that the version script
6666         has not been finalized.
6667         (version_script_push_lang): Change language string to
6668         Version_script_info::Language.
6669         * options.cc (Command_line::version_script): New function.
6670         * options.h (class General_options): Add finalize_dynamic_list
6671         function.  Change version_script from declaration to definition.
6672         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6673         * testsuite/version_script.map: Remove duplicate def of foo.
6674         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6675         version_script.map.
6676         * testsuite/Makefile.in: Rebuild.
6677
6678 2009-12-30  Ian Lance Taylor  <iant@google.com>
6679
6680         PR 10843
6681         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6682         if the input symbol index is 0, make the output symbol index 0.
6683
6684 2009-12-30  Ian Lance Taylor  <iant@google.com>
6685
6686         PR 10670
6687         * options.h (class General_options): Add -x/--discard-all.
6688         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6689         --discard-all.  If the local symbol needs a dynamic entry, check
6690         that before handling --discard-locals.
6691
6692 2009-12-30  Ian Lance Taylor  <iant@google.com>
6693
6694         PR 10450
6695         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6696         flags to PF_R.
6697         (Output_segment::add_output_section): Don't change the flags if
6698         the type is PT_TLS.
6699
6700         PR 10450
6701         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6702         GNU hash table if they need a dynamic value.  Otherwise, don't add
6703         them if they are defined in a dynamic object or are forced local.
6704
6705 2009-12-29  Ian Lance Taylor  <iant@google.com>
6706
6707         PR 10450
6708         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6709         .gnu.hash table for a 32-bit target.
6710
6711         PR 10450
6712         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6713         regular and a dynamic object only needs a dynamic symbol table
6714         entry if it is externally visible.
6715
6716         PR 10450
6717         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6718         constructor.  Add global_offset_table_ field.
6719         (Target_i386::got_section): Set global_offset_table_.
6720         (Target_i386::do_finalize_sections): Set global_offset_table_
6721         size.
6722         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6723         in constructor.  Add global_offset_table_ field.
6724         (Target_x86_64::got_section): Set global_offset_table_.
6725         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6726         size.
6727
6728         * layout.cc (Layout::Layout): Initialize increase_relro_.
6729         (Layout::get_output_section): Add is_relro, is_last_relro, and
6730         is_first_non_relro parameters.  Change all callers.
6731         (Layout::choose_output_section): Likewise.
6732         (Layout::add_output_section_data): Likewise.
6733         (Layout::make_output_section): Likewise.
6734         (Layout::set_segment_offsets): Clear increase_relro when using a
6735         linker script.
6736         * layout.h (class Layout): Add increase_relro method.  Add
6737         increase_relro_ field.  Update declarations.
6738         * output.cc (Output_section::Output_section): Initialize
6739         is_last_relro_ and is_first_non_relro_.
6740         (Output_segment::add_output_section): Group relro sections is
6741         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6742         (Output_segment::maximum_alignment): Remove relro handling.
6743         (Output_segment::set_section_addresses): Add increase_relro
6744         parameter.  Change all callers.  Add initial alignment to align
6745         relro sections on separate page.  Remove old relro handling.
6746         (Output_segment::set_section_list_addresses): Remove in_relro
6747         parameter.  Change all callers.
6748         (Output_segment::set_offset): Add increase parameter.  Change all
6749         callers.  Remove old relro handling.
6750         * output.h (class Output_section): Add new methods: is_last_relro,
6751         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6752         Add is_last_relro_ and is_first_non_relro_ fields.
6753         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6754         Create separate .got.plt section.  Call increase_relro.
6755         * x86_64.cc (Target_x86_64::got_section): Likewise.
6756         * testsuite/relro_script_test.t: Add .got.plt.
6757
6758         PR 10450
6759         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6760         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6761         (Layout::finalize): Call set_dynamic_symbol_size.
6762         (Layout::set_dynamic_symbol_size): New function.
6763         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6764         set_dynamic_symbol_size.
6765
6766         PR 10450
6767         * output.h (class Output_section): Add is_entsize_zero_ field.
6768         * output.cc (Output_section::Output_section): Initialize
6769         is_entsize_zero_.
6770         (Output_section::set_entsize): If two different entsizes are
6771         requested, force it to zero.
6772         (Output_section::add_input_section): Set flags for .debug_str
6773         before updating section flags.  Set entsize.
6774         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6775         and SHF_STRING if all input sections have those flags.
6776
6777 2009-12-29   Rafael Espindola  <espindola@google.com>
6778
6779         * main.cc (main): Fix the sys time reporting.
6780         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6781         reporting.
6782
6783 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6784
6785         * options.cc (General_options::parse_version): Allow -v to exit
6786         without an error if there is nothing to link.
6787
6788 2009-12-29  Ian Lance Taylor  <iant@google.com>
6789
6790         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6791         using a version of gcc before 4.1.
6792         * configure: Rebuild.
6793
6794 2009-12-28  Chris Demetriou  <cgd@google.com>
6795
6796         * attributes.cc (Output_attributes_section_data::do_write): Use
6797         std::vector::front rather than std::vector::data.
6798
6799 2009-12-28  Ian Lance Taylor  <iant@google.com>
6800
6801         * symtab.h (class Symbol_table): Add enum Defined.
6802         * resolve.cc (Symbol_table::should_override): Add defined
6803         parameter.  Change all callers.  Test whether object is NULL
6804         before calling a method on it.
6805         (Symbol_table::report_resolve_problem): Add defined parameter.
6806         Change all callers.
6807         (Symbol_table::should_override_with_special): Likewise.
6808         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6809         parameter.  Change all callers.
6810         (Symbol_table::do_define_in_output_data): Likewise.
6811         (Symbol_table::define_in_output_segment): Likewise.
6812         (Symbol_table::do_define_in_output_segment): Likewise.
6813         (Symbol_table::define_as_constant): Likewise.
6814         (Symbol_table::do_define_as_constant): Likewise.
6815         * script.h (class Symbol_assignment): Add is_defsym parameter to
6816         constructor; change all callers.
6817         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6818         parameter.  Change all callers.  Add is_defsym_ field.
6819         (class Parser_closure): Add parsing_defsym parameter to
6820         constructor; change all callers.  Add parsing_defsym accessor
6821         function.  Add parsing_defsym_ field.
6822
6823 2009-12-28  Ian Lance Taylor  <iant@google.com>
6824
6825         * gold.cc (queue_middle_tasks): Fix formatting.
6826         * object.cc (Relobj::is_section_name_included): Likewise.
6827
6828 2009-12-23  Ian Lance Taylor  <iant@google.com>
6829
6830         * i386.cc (Target_i386::do_calls_non_split): Recognize
6831         -fsplit-stack prologue for a function with a static chain.
6832         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6833         -fsplit-stack prologue when using %r11.
6834
6835 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6836
6837         * options.cc (General_options::parse_version): Make -v continue and do
6838         the link like GNU ld does.
6839
6840 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6841
6842         * Makefile.am (CCFILES): Add timer.cc.
6843         (HFILES): Add timer.h.
6844         * configure.ac: Check for sysconf and times.
6845         * main.cc: include timer.h.
6846         (main): Use Timer instead of get_run_time.
6847         * timer.cc: New.
6848         * timer.h: New.
6849         * workqueue.cc: include timer.h.
6850         (Workqueue::find_and_run_task):
6851         Report user, sys and wall time.
6852         * Makefile.in: Regenerate.
6853         * config.in: Regenerate.
6854         * configure: Regenerate.
6855
6856 2009-12-16  Doug Kwan  <dougkwan@google.com>
6857
6858         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6859         sections.
6860         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6861         relaxed input sections.
6862         * output.cc (Output_section::find_relaxed_input_section): Change
6863         return type to Output_relaxed_input_section pointer.  Adjust code
6864         for new type of relaxed_input_section_map_.
6865         * output.h (Output_section::find_relaxed_input_section): Change
6866         return type to Output_relaxed_input_section pointer.
6867         (Output_section::Output_relaxed_input_section_by_input_section_map):
6868         New type.
6869         (Output_section::relaxed_input_section_map_): Change type to
6870         Output_section::Output_relaxed_input_section_by_input_section_map.
6871         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6872         input section.
6873
6874 2009-12-15  Ian Lance Taylor  <iant@google.com>
6875
6876         * layout.cc (Layout::create_shstrtab): Only write out after input
6877         sections if we are compressing debug sections.
6878
6879 2009-12-15  Ian Lance Taylor  <iant@google.com>
6880
6881         * archive.cc (Archive::add_symbols): Only look up a symbol without
6882         a version if there is, in fact, a version.
6883
6884 2009-12-14  Ian Lance Taylor  <iant@google.com>
6885
6886         Revert -Wshadow changes, all changes from:
6887         2009-12-11  Doug Kwan  <dougkwan@google.com>
6888         2009-12-11  Nick Clifton  <nickc@redhat.com>
6889         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6890
6891 2009-12-11  Doug Kwan  <dougkwan@google.com>
6892
6893         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6894         due to -Wshadow.
6895         * attributes.cc (Object_attribute::size): Ditto.
6896         (Attributes_section_data::size): Ditto.
6897         (Attributes_section_data::Attributes_section_data): Ditto.
6898         (Output_attributes_section_data::do_write): Ditto.
6899         * attributes.h (Object_attribute::set_type): Ditto.
6900         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6901
6902 2009-12-11  Nick Clifton  <nickc@redhat.com>
6903
6904         * archive.cc: Fix shadowed variable warnings.
6905         * arm.cc: Likewise.
6906         * compressed_output.cc: Likewise.
6907         * compressed_output.h: Likewise.
6908         * configure: Likewise.
6909         * dwarf_reader.cc: Likewise.
6910         * dynobj.cc: Likewise.
6911         * dynobj.h: Likewise.
6912         * ehframe.cc: Likewise.
6913         * ehframe.h: Likewise.
6914         * errors.cc: Likewise.
6915         * expression.cc: Likewise.
6916         * fileread.cc: Likewise.
6917         * fileread.h: Likewise.
6918         * freebsd.h: Likewise.
6919         * i386.cc: Likewise.
6920         * icf.cc: Likewise.
6921         * incremental.h: Likewise.
6922         * layout.cc: Likewise.
6923         * layout.h: Likewise.
6924         * mapfile.cc: Likewise.
6925         * merge.cc: Likewise.
6926         * merge.h: Likewise.
6927         * object.cc: Likewise.
6928         * object.h: Likewise.
6929         * options.h: Likewise.
6930         * output.cc: Likewise.
6931         * output.h: Likewise.
6932         * parameters.cc: Likewise.
6933         * plugin.cc: Likewise.
6934         * powerpc.cc: Likewise.
6935         * reduced_debug_output.cc: Likewise.
6936         * reduced_debug_output.h: Likewise.
6937         * reloc.cc: Likewise.
6938         * reloc.h: Likewise.
6939         * resolve.cc: Likewise.
6940         * script-sections.cc: Likewise.
6941         * script.cc: Likewise.
6942         * script.h: Likewise.
6943         * sparc.cc: Likewise.
6944         * symtab.cc: Likewise.
6945         * symtab.h: Likewise.
6946         * target-select.cc: Likewise.
6947         * target-select.h: Likewise.
6948         * token.h: Likewise.
6949         * workqueue.cc: Likewise.
6950         * workqueue.h: Likewise.
6951         * x86_64.cc: Likewise.
6952
6953 2009-12-10  Doug Kwan  <dougkwan@google.com>
6954
6955         * arm.cc (attributes.h): New include.
6956         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6957         (Arm_relobj::~Arm_relobj): Delete object pointed by
6958         attributes_section_data_.
6959         (Arm_relobj::attributes_section_data): New method definition.
6960         (Arm_relobj::attributes_section_data_): New data member declaration.
6961         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6962         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6963         attributes_section_data_.
6964         (Arm_dynobj::attributes_section_data): New method definition.
6965         (Arm_dynobj::attributes_section_data_): New data member declaration.
6966         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6967         initialization value of may_use_blx_ to false.
6968         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6969         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6970         object attributes to compute results instead of hard-coding.
6971         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6972         Target_arm::get_secondary_compatible_arch,
6973         Target_arm::set_secondary_compatible_arch
6974         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6975         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6976         New method declarations.
6977         (Target_arm::get_aeabi_object_attribute): New method definition.
6978         (Target_arm::attributes_section_data_): New data member declaration.
6979         (read_arm_attributes_section): New template definition.
6980         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6981         (Arm_dynobj::do_read_symbols): Ditto.
6982         (Target_arm::do_finalize_sections): Merge attributes sections from
6983         input.  Check for BLX use after attributes section merging.
6984         Fix __exidx_start and __exidx_end visibility.  Create an
6985         .ARM.attributes section if necessary.
6986         (Target_arm::get_secondary_compatible_arch,
6987         Target_arm::set_secondary_compatible_arch,
6988         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6989         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6990         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6991         New method definitions.
6992
6993 2009-12-09  Ian Lance Taylor  <iant@google.com>
6994
6995         * plugin.cc (Plugin::load): Don't cast from void* to a function
6996         pointer.
6997
6998 2009-12-09  Ian Lance Taylor  <iant@google.com>
6999
7000         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7001         information fields.
7002
7003 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7004
7005         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7006         Replace two_file_shared_1.so with two_file_shared_2.so.
7007         * testsuite/Makefile.in: Regenerated.
7008
7009 2009-12-08  Doug Kwan  <dougkwan@google.com>
7010
7011         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7012         (HFILES): Add attributes.h and int_encoding.h.
7013         * Makefile.in: Regenerate.
7014         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7015         function definitions to int_encoding.cc
7016         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7017         prototypes to int_encoding.h
7018         * reduced_debug_output.cc (int_encoding.h): New include.
7019         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7020         function definitions to int_encoding.cc
7021         (insert_into_vector, read_from_pointer): Move template definitions to
7022         int_encoding.h
7023         * attributes.cc: New file.
7024         * attributes.h: New file.
7025         * int_encoding.cc: New file.
7026         * int_encoding.h: New file.
7027
7028 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7029
7030         PR gold/11055
7031         * incremental-dump.cc (dump_incremental_inputs): New.
7032         (main): Use dump_incremental_inputs.
7033
7034 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7035
7036         PR gold/10893
7037         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7038         checking elfcpp::STT_FUNC.
7039         (Target_i386::Relocate::relocate): Likewise.
7040         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7041
7042         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7043         symbols from shared libraries into normal FUNC symbols.
7044
7045         * symtab.h (Symbol): Add is_func and use it.
7046
7047 2009-12-05  Doug Kwan  <dougkwan@google.com>
7048
7049         * arm.cc (Target_arm::arm_info): Initialize new fields
7050         attributes_section and attributes_vendor.
7051         * i386.cc (Target_i386::i386_info): Same.
7052         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7053         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7054         fields attributes_section and attributes_vendor.
7055         * sparc.cc (Target_sparc::sparc_info): Same.
7056         * target.h (Target::attributes_section, Target::attributes_vendor,
7057         Target::is_attributes_section, Target::attribute_arg_type,
7058         Target::attributes_order): New method definitions.
7059         (Target::Target_info::attributes_section,
7060         Target::Target_info::attributes_vendor): New fields.
7061         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7062         virtual method definitions.
7063         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7064         attributes_section and attributes_vendor.
7065         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7066
7067 2009-12-05  Doug Kwan  <dougkwan@google.com>
7068
7069         * arm.cc: Update comments about interworking and stub generation.
7070         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7071         considered as non-PIC.
7072         (Arm_relocate_functions::base_abs): Fix formatting.
7073         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7074         of function to use GOT entry address instead of offset.
7075         (Target_arm::Scan::global): Issue an error if a symbol would need a
7076         PLT does not get one because it is untyped.  Remove code to create
7077         dynamic symbols for relative branches.
7078         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7079         takes unsigned integer instead of boolean.
7080
7081 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7082
7083         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7084         (two_file_test_LDADD): Likewise.
7085         (common_test_1_LDADD): Likewise.
7086         (exception_test_LDADD) Likewise.
7087         (weak_test_LDADD): Likewise.
7088         (many_sections_test_LDADD): Likewise.
7089         (initpri1_LDADD): Likewise.
7090         (script_test_1_LDADD): Likewise.
7091         (script_test_2_LDADD): Likewise.
7092         (justsyms_LDADD): Likewise.
7093         (binary_test_LDADD): Likewise.
7094         (large_LDADD): Likewise.
7095         * testsuite/Makefile.in: Regenerated.
7096
7097 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7098
7099         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7100         (Symbol_table::override_with_special): Likewise.
7101         (Symbol_table::add_from_object): Likewise.
7102
7103 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7104
7105         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7106         Don't set the data_offset twice.
7107
7108 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7109
7110         * testsuite/Makefile.in: Regenerate.
7111
7112 2009-12-03  Doug Kwan  <dougkwan@google.com>
7113
7114         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7115         (Target_arm::do_finalize_sections): Add parameter for symbol table
7116         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7117         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7118         parameter for symbol table pointer.
7119         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7120         an additional parameter for a pointer to symbol table.
7121         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7122         parameter for a symbol table pointer.
7123         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7124         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7125         Ditto.
7126         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7127         parameter for a symbol table pointer.
7128
7129 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7130
7131         * incremental.cc (Incremental_inputs_header)
7132         (Incremental_inputs_header_write, Incremental_inputs_entry)
7133         (Incremental_inputs_entry_write): Move ...
7134         * incremental.h (Incremental_inputs_header)
7135         (Incremental_inputs_header_write, Incremental_inputs_entry)
7136         (Incremental_inputs_entry_write): here.
7137
7138 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7139
7140         * incremental.cc (make_sized_incremental_binary): Set the target.
7141         Error if it is incompatible.
7142         * output.h (Output_file): Add filename method.
7143
7144 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7145
7146         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7147         from the get_* methods.
7148
7149 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7150
7151         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7152         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7153         Write 0 for the data_offset of scripts.
7154
7155 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7156
7157         * testsuite/Makefile.am: Add the incremental_test.sh test.
7158         * testsuite/incremental_test.sh: New.
7159         * testsuite/incremental_test_1.c: New.
7160         * testsuite/incremental_test_2.c: New.
7161
7162 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7163
7164        * incremental-dump.cc (main): Fix typos.
7165
7166 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7167
7168         PR gold/11025
7169         * incremental-dump.cc (main): Use llu to print 64 bit values.
7170
7171 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7172             H.J. Lu  <hongjiu.lu@intel.com>
7173
7174         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7175         $(LIBDL).
7176         (incremental_dump_LDADD): Likewise.
7177         * Makefile.in: Regenerated.
7178
7179 2009-11-25  Doug Kwan  <dougkwan@google.com>
7180
7181         Revert:
7182
7183         2009-11-25  Doug Kwan  <dougkwan@google.com>
7184
7185                 * arm.cc (Target_arm::Target_arm): Move method definition
7186                 outside of class definition.  Add code to handle
7187                 --target1-rel, --target1-abs and --target2= options.
7188                 (Target_arm::get_reloc_reloc_type): Change method to be
7189                 non-static and const.
7190                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7191                 New data member declaration.
7192                 (Target_arm::Scan::local, Target_arm::Scan::global,
7193                 Target_arm::Relocate::relocate,
7194                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7195                 Adjust call to Target_arm::get_real_reloc_type.
7196                 (Target_arm::get_real_reloc_type): Use command line options
7197                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7198                 * options.h (--target1-rel, --target1-abs, --target2): New
7199                 ARM-only options.
7200
7201 2009-11-25  Doug Kwan  <dougkwan@google.com>
7202
7203         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7204         class definition.  Add code to handle --target1-rel, --target1-abs
7205         and --target2= options.
7206         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7207         and const.
7208         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7209         member declaration.
7210         (Target_arm::Scan::local, Target_arm::Scan::global,
7211         Target_arm::Relocate::relocate,
7212         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7213         call to Target_arm::get_real_reloc_type.
7214         (Target_arm::get_real_reloc_type): Use command line options to
7215         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7216         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7217         options.
7218
7219 2009-11-25  Doug Kwan  <dougkwan@google.com>
7220
7221         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7222         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7223         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7224         formatting.
7225         (Arm_relocate_functions::thm_call): Replace body with a call to
7226         Arm_relocate_functions::thumb_branch_common.
7227         (Arm_relocate_functions::thm_jump24,
7228         Arm_relocate_functions::thm_xpc22): New method definitions.
7229         (Arm_relocate_functions::thumb_branch_common): New method definition.
7230         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7231         operator.
7232         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7233         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7234
7235 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7236
7237         * Makefile.am: Build incremental-dump
7238         * Makefile.in: Regenerate.
7239         * incremental-dump.cc: New.
7240         * incremental.cc (Incremental_inputs_header_data,
7241         Incremental_inputs_entry_data): Move to incremental.h
7242         * incremental.h: (Incremental_inputs_header_data,
7243         Incremental_inputs_entry_data): Move from incremental.cc
7244
7245 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7246
7247         * incremental.cc (Incremental_inputs_header,
7248         Incremental_inputs_header_write, Incremental_inputs_entry,
7249         Incremental_inputs_entry_write): Add a typedef with the data type.
7250
7251 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7252
7253         * incremental.cc (Incremental_inputs_header,
7254         Incremental_inputs_header_write, Incremental_inputs_entry,
7255         Incremental_inputs_entry_write): Update comment about which
7256         type has the filed descriptions.
7257
7258 2009-11-15  Doug Kwan  <dougkwan@google.com>
7259
7260         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7261         (Arm_relocate_functions::arm_branch_common): Change method defintion
7262         in class definition to a method declaration and update list of formal
7263         parameters.
7264         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7265         Arm_relocation_functions::jump24): Adjust call to
7266         Arm_relocate_functions::arm_branch_common.  Update list of formal
7267         parameters.
7268         (Arm_relocate_functions::xpc25): New method definition.
7269         (Arm_relocate_functions::arm_branch_common): Move method defintion
7270         out from class definition.  Use stubs for mode-switching and extending
7271         branch ranges.
7272         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7273         specially.  Change code to enable use of stubs in ARM branches.
7274
7275 2009-11-10  Doug Kwan  <dougkwan@google.com>
7276
7277         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7278         in method declaration.
7279         (Target_arm::relocate_stub): New method declaration.
7280         (Target_arm::default_target): Change to return a pointer instead of
7281         a const reference.
7282         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7283         Target_arm::default_target.
7284         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7285         method definition.
7286         (Target_arm::relocate_section): Adjust view.
7287         (Target_arm::relocate_stub): New method definition.
7288
7289 2009-11-10  Doug Kwan  <dougkwan@google.com>
7290
7291         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7292         a format warning.
7293         * incremental.cc (open_incremental_binary): Initialized local
7294         variables to avoid warnings.
7295         * object.cc (make_elf_object): Ditto.
7296         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7297         a format warning.
7298
7299 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7300
7301         PR gold/10930
7302         * testsuite/plugin_test.c: Include "config.h".
7303
7304 2009-11-09  Doug Kwan  <dougkwan@google.com>
7305
7306         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7307         (arm_symbol_value): Remove.
7308         (Arm_relocate_functions::arm_branch_common,
7309         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7310         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7311         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7312         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7313         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7314         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7315         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7316         Arm_relocate_functions::thm_mobw_abs_nc,
7317         Arm_relocate_functions::thm_mov_abs,
7318         Arm_relocate_functions::movw_prel_nc,
7319         Arm_relocate_functions::thm_movt_abs,
7320         Arm_relocate_functions::movt_prel,
7321         Arm_relocate_functions::thm_movw_prel_nc,
7322         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7323         (Target_arm::Relocate::relocate): Only decompose address into two
7324         parts if relocation type uses the thumb-bit and pass the actual
7325         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7326         calls to methods in Arm_relocate_functions for this change.
7327
7328 2009-11-08  Ian Lance Taylor  <iant@google.com>
7329
7330         PR 10925
7331         * reloc.cc: Instantiate
7332         Sized_relobj::initialize_input_to_output_maps and
7333         Sized_relobj:free_input_to_output_maps.
7334
7335 2009-11-06  Ian Lance Taylor  <iant@google.com>
7336
7337         PR 10876
7338         * defstd.cc (in_segment): Set only_if_ref true for "end".
7339
7340 2009-11-06  Doug Kwan  <dougkwan@google.com>
7341
7342         * arm.cc (class Reloc_stub): Correct a comment.
7343         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7344         (Target_arm::scan_section_for_stubs): New method declaration.
7345         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7346         Change methods from private to protected.
7347         (Target_arm::do_may_relax): New method definition.
7348         (Target_arm::do_relax, Target_arm::group_sections,
7349         Target_arm::scan_reloc_for_stub,
7350         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7351         (Target_arm::arm_input_section_map_): New data member declaration.
7352         (Target_arm::scan_reloc_for_stub,
7353         Target_arm::scan_reloc_section_for_stubs,
7354         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7355         Target_arm::do_relax): New method definitions.
7356
7357 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7358
7359         * configure.ac: Check for (struct stat)::st_mtim
7360         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7361         * config.in: Regenerate.
7362         * configure: Regenerate.
7363
7364 2009-11-05  Ian Lance Taylor  <iant@google.com>
7365
7366         PR 10910
7367         * output.cc (Output_segment::add_output_section): Add missing
7368         return statement.
7369
7370 2009-11-04  Ian Lance Taylor  <iant@google.com>
7371
7372         PR 10880
7373         * object.h (class Object): Add is_needed and set_is_needed
7374         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7375         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7376         defined in a dynamic object and referenced by a regular object,
7377         set is_needed for the dynamic object.
7378         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7379         if the file is marked with as_needed and it is not needed.
7380
7381 2009-11-04  Ian Lance Taylor  <iant@google.com>
7382
7383         PR 10887
7384         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7385         tags if data is discarded by linker script.
7386         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7387         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7388         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7389         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7390
7391 2009-11-04  Ian Lance Taylor  <iant@google.com>
7392
7393         * layout.cc (Layout::get_output_section): Add is_interp and
7394         is_dynamic_linker_section parameters.  Change all callers.
7395         (Layout::choose_output_section): Likewise.
7396         (Layout::make_output_section): Likewise.
7397         (Layout::add_output_section_data): Add is_dynamic_linker_section
7398         parameter.  Change all callers.
7399         * layout.h (class Layout): Update declarations.
7400         * output.h (class Output_section): Add is_interp, set_is_interp,
7401         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7402         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7403         generate_code_fills_at_write_ to a bitfield.
7404         * output.cc (Output_section::Output_sections): Initialize new
7405         fields.
7406         (Output_segment::add_output_section): Add do_sort parameter.
7407         Change all callers.
7408
7409 2009-11-03  Ian Lance Taylor  <iant@google.com>
7410
7411         PR 10860
7412         * options.h (class General_options): Add --warn-common.
7413         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7414         merging two common symbols.
7415         (Symbol_table::should_override): Handle --warn-common when merging
7416         a common symbol with a defined symbol.  Use report_resolve_problem
7417         for multiple definitions.
7418         (Symbol_table::report_resolve_problem): New function.
7419         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7420
7421 2009-11-03  Doug Kwan  <dougkwan@google.com>
7422
7423         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7424         stub_factory_.
7425         (Target_arm::stub_factory): New method definition.
7426         (Target_arm::new_arm_input_section,
7427         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7428         Target_arm::reloc_uses_thumb_bit): New method declarations.
7429         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7430         New type definitions.
7431         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7432         member declarations.
7433         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7434         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7435         New method definitions.
7436
7437 2009-11-03  Ian Lance Taylor  <iant@google.com>
7438
7439         * options.h (class General_options): Add --warn_constructors.
7440
7441 2009-11-03  Ian Lance Taylor  <iant@google.com>
7442
7443         PR 10893
7444         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7445         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7446
7447 2009-11-03  Ian Lance Taylor  <iant@google.com>
7448
7449         PR 10895
7450         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7451         --msgid-bugs-address.
7452         (install-pdf): New target.
7453         (install-data_yes): Look up one directory to find mkinstalldirs.
7454
7455 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7456
7457         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7458         tree.
7459
7460 2009-10-30  Doug Kwan  <dougkwan@google.com>
7461
7462         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7463
7464 2009-10-30  Doug Kwan  <dougkwan@google.com>
7465
7466         * arm.cc (Stub_addend_reader): New struct template definition
7467         and partial specializations.
7468         (Stub_addend_reader::operator()): New method definition for a
7469         partially specialized template.
7470
7471 2009-10-30  Doug Kwan  <dougkwan@google.com>
7472
7473         * arm.cc (Arm_relobj::processor_specific_flags): New method
7474         definition.
7475         (Arm_relobj::do_read_symbols): New method declaration.
7476         (Arm_relobj::processor_specific_flags_): New data member declaration.
7477         (Arm_dynobj): New class definition.
7478         (Target_arm::do_finalize_sections): Add input_objects parameter.
7479         (Target_arm::do_adjust_elf_header): New method declaration.
7480         (Target_arm::are_eabi_versions_compatible,
7481         (Target_arm::merge_processor_specific_flags): New method declaration.
7482         (Target_arm::do_make_elf_object): New overloaded method definitions
7483         and declaration.
7484         (Arm_relobj::do_read_symbols): New method definition.
7485         (Arm_dynobj::do_read_symbols): Ditto.
7486         (Target_arm::do_finalize_sections): Add input_objects parameters.
7487         Merge processor-specific flags from all input objects.
7488         (Target_arm::are_eabi_versions_compatible,
7489         Target_arm::merge_processor_specific_flags,
7490         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7491         New method definitions.
7492         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7493         Input_objects pointer type parameter.
7494         * layout.cc (Layout::finalize): Pass input objects to target's.
7495         finalize_sections function.
7496         * output.cc (Output_file_header::do_sized_write): Set ELF file
7497         header's processor-specific flags.
7498         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7499         Input_objects pointer type parameter.
7500         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7501         * target.h (Input_objects): New forward class declaration.
7502         (Target::processor_specific_flags,
7503         Target::are_processor_specific_flags_sect): New method definitions.
7504         (Target::finalize_sections): Add input_objects parameter.
7505         (Target::Target): Initialize processor_specific_flags_ and
7506         are_processor_specific_flags_set_.
7507         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7508         parameter.
7509         (Target::set_processor_specific_flags): New method definition.
7510         (Target::processor_specific_flags_,
7511         Target::are_processor_specific_flags_set_): New data member
7512         declarations.
7513         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7514         Input_objects pointer type parameter.
7515
7516 2009-10-30  Doug Kwan  <dougkwan@google.com>
7517
7518         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7519
7520 2009-10-28  Ian Lance Taylor  <iant@google.com>
7521
7522         * object.h (class Relobj): Drop options parameter from
7523         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7524         do_scan_relocs, do_relocate.  Change all callers.
7525         (class Sized_relobj): Drop options parameters from
7526         do_gc_process_relocs, do_scan_relocs, do_relocate,
7527         do_relocate_sections, relocate_sections, emit_relocs_scan,
7528         emit_relocs_scan_reltype.  Change all callers.
7529         (struct Relocate_info): Remove options field and all references to
7530         it.
7531         * reloc.h (class Read_relocs): Remove options constructor
7532         parameter and options_ field.  Change all callers.
7533         (class Gc_process_relocs, class Scan_relocs): Likewise.
7534         (class Relocate_task): Likewise.
7535         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7536         all callers.
7537         (scan_relocatable_relocs): Likewise.
7538         * target.h (class Sized_target): Remove options parameter from
7539         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7540         all callers.
7541         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7542         callers.
7543         * arm.cc: Update functions to remove options parameters.
7544         * i386.cc: Likewise.
7545         * powerpc.cc: Likewise.
7546         * sparc.cc: Likewise.
7547         * x86_64.cc: Likewise.
7548         * testsuite/testfile.cc: Likewise.
7549
7550 2009-10-28  Doug Kwan  <dougkwan@google.com>
7551
7552         * arm.cc (Arm_relobj): New class definition.
7553         (Arm_relobj::scan_sections_for_stubs,
7554         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7555         New method definitions.
7556
7557 2009-10-28  Cary Coutant  <ccoutant@google.com>
7558
7559         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7560         (Plugin::cleanup_done_): New member.
7561         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7562         (Plugin_manager::cleanup_done_): Remove.
7563         (Plugin_manager::add_input_file): Edit error message.
7564         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7565         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7566
7567 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7568
7569         * fileread.cc: (File_read::View::~View): Use the new
7570         data_ownership_ filed.
7571         (File_read::~File_read): Dispose the new whole_file_view_.
7572         (File_read::open): Mmap the whole file if needed.
7573         (File_read::open): Use whole_file_view_ instead of contents_.
7574         (File_read::find_view): Use whole_file_view_ if applicable.
7575         (File_read::do_read): Use whole_file_view_ instead of contents_.
7576         (File_read::make_view): Use whole_file_view_ instead of contents_,
7577         update File_read::View::View call.
7578         (File_read::find_or_make_view): Update File_read::View::View
7579         call.
7580         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7581         remove contents_
7582         (File_read::View::Data_ownership): New enum.
7583         (File_read::View::View): Replace bool mapped_ with Data_ownership
7584         argument.
7585         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7586         (File_read::View::data_ownership_): New field.
7587         (File_read::contents_): Remove (replaced by whole_file_view_).
7588         (File_read::whole_file_view_): New field.
7589         * options.h (class General_options): Add --keep-files-mapped.
7590
7591 2009-10-27  Cary Coutant  <ccoutant@google.com>
7592
7593         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7594         * testsuite/Makefile.am (plugin_test_5): New test case.
7595         * testsuite/Makefile.in: Regenerate.
7596
7597 2009-10-25  Doug Kwan  <dougkwan@google.com>
7598
7599         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7600         from private to protected to allow access by child class.
7601         (Sized_relobj::do_relocate_sections): New method declaration.
7602         (Sized_relobj::relocate_sections): Virtualize.
7603         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7604         Sized_relobj::relocate_sections.  Instantiate template explicitly
7605         for different target sizes and endianity.
7606
7607 2009-10-24  Doug Kwan  <dougkwan@google.com>
7608
7609         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7610         (Arm_input_section::as_arm_input_section): New method.
7611         (Arm_output_section): New class definition.
7612         (Arm_output_section::create_stub_group,
7613         Arm_output_section::group_sections): New method definitions.
7614
7615 2009-10-22  Doug Kwan  <dougkwan@google.com>
7616
7617         * arm.cc (Arm_input_section): New class definition.
7618         (Arm_input_section::init, Arm_input_section:do_write,
7619         Arm_input_section::set_final_data_size,
7620         Arm_input_section::do_reset_address_and_file_offset): New method
7621         definitions.
7622
7623 2009-10-21  Doug Kwan  <dougkwan@google.com>
7624
7625         * arm.cc (Stub_table, Arm_input_section): New forward class
7626         declarations.
7627         (Stub_table): New class defintion.
7628         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7629         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7630         New method definition.
7631
7632 2009-10-21  Doug Kwan  <dougkwan@google.com>
7633
7634         * arm.cc: Update copyright comments.
7635         (Target_arm): New forward class template declaration.
7636         (Arm_address): New type.
7637         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7638         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7639         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7640         constants.
7641         (Insn_template): Same.
7642         (DEF_STUBS): New macro.
7643         (Stub_type): New enum type.
7644         (Stub_template): New class definition.
7645         (Stub): Same.
7646         (Reloc_stub): Same.
7647         (Stub_factory): Same.
7648         (Target_arm::Target_arm): Initialize may_use_blx_ and
7649         should_force_pic_veneer_.
7650         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7651         Target_arm::should_force_pic_veneer,
7652         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7653         Target_arm::using_thumb_only, Target_arm:;default_target): New
7654         method defintions.
7655         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7656         New data member declarations.
7657         (Insn_template::size, Insn_template::alignment): New method defintions.
7658         (Stub_template::Stub_template): New method definition.
7659         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7660         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7661         (Stub_factory::Stub_factory): New method definition.
7662         * gold.h (string_hash): New template.
7663         * output.h (Input_section_specifier::hash_value): Use
7664         gold::string_hash.
7665         (Input_section_specifier::string_hash): Remove.
7666         * stringpool.cc (Stringpool_template::string_hash): Use
7667         gold::string_hash.
7668
7669 2009-10-20  Doug Kwan  <dougkwan@google.com>
7670
7671         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7672         symbols of relaxed input sections.
7673         * output.h (Output_section::find_relaxed_input_section): Make
7674         method public.
7675
7676 2009-10-16  Doug Kwan  <dougkwan@google.com>
7677
7678         * dynobj.cc (Versions::Versions): Initialize version_script_.
7679         Only insert base version symbol definition for a shared object
7680         if version script defines any version versions.
7681         (Versions::define_base_version): New method definition.
7682         (Versions::add_def): Check that base version is not needed.
7683         (Versions::add_need): Define base version lazily.
7684         * dynobj.h (Versions::define_base_version): New method declaration.
7685         (Versions::needs_base_version_): New data member declaration.
7686         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7687         (check_DATA): Add no_version_test.stdout.
7688         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7689         New make rules.
7690         * testsuite/Makefile.in: Regenerate.
7691         * testsuite/no_version_test.c: New file.
7692         * testsuite/no_version_test.sh: Ditto.
7693
7694 2009-10-16  Doug Kwan  <dougkwan@google.com>
7695
7696         * expression.cc (class Segment_start_expression): New class definition.
7697         (Segment_start_expression::value): New method definition.
7698         (script_exp_function_segment_start): Return a new
7699         Segment_start_expression.
7700         * gold/script-c.h (script_saw_segment_start_expression): New function
7701         prototype.
7702         * script-sections.cc (Script_sections::Script_sections): Initialize
7703         SAW_SEGMENT_START_EXPRESSION_ to false.
7704         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7705         and -Tbbs options to specify section addresses if given in
7706         command line and no SEGMENT_START expression is seen in a script.
7707         * script-sections.h (Script_sections::saw_segment_start_expression,
7708         Script_sections::set_saw_segment_start_expression): New method
7709         definition.
7710         (Script_sections::saw_segment_start_expression_): New data member
7711         declaration.
7712         * script.cc (script_saw_segment_start_expression): New function.
7713         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7714         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7715         script_test_7.sh and script_test_8.sh.
7716         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7717         script_test_8.stdout.
7718         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7719         (script_test_6, script_test_6.stdout, script_test_7,
7720         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7721         * Makefile.in: Regenerate.
7722         * testsuite/script_test_6.sh: New file.
7723         * testsuite/script_test_6.t: Same.
7724         * testsuite/script_test_7.sh: Same.
7725         * testsuite/script_test_7.t: Same.
7726         * testsuite/script_test_8.sh: Same.
7727
7728 2009-10-16  Doug Kwan  <dougkwan@google.com>
7729
7730         * output.cc (Output_segment::set_section_list_address): Cast
7731         expressions to unsigned long long type to avoid format warnings.
7732
7733 2009-10-15  Ian Lance Taylor  <iant@google.com>
7734
7735         * script.cc (Script_options::add_symbol_assignment): Always add a
7736         dot assignment to script_sections_.
7737         * script-sections.cc (Script_sections::add_dot_assignment):
7738         Initialize if necessary.
7739
7740         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7741         program headers with no load segment if there is a linker script.
7742
7743         * layout.cc (Layout::set_segment_offsets): Align the file offset
7744         to the segment aligment for -N or -n with no load segment.
7745         * output.cc (Output_segment::add_output_section): Don't crash if
7746         the first section is a TLS section.
7747         (Output_segment::set_section_list_addresses): Print an error
7748         message if the address moves backward in a linker script.
7749         * script-sections.cc
7750         (Output_section_element_input::set_section_addresses): Don't
7751         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7752         (Orphan_output_section::set_section_addresses): Likewise.
7753
7754 2009-10-15  Doug Kwan  <dougkwan@google.com>
7755
7756         * layout.cc (Layout::finish_dynamic_section): Generate tags
7757         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7758         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7759         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7760
7761 2009-10-14  Ian Lance Taylor  <iant@google.com>
7762
7763         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7764         fields.
7765         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7766         data_shdr fields of relinfo.
7767         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7768         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7769         R_386_TLS_LDO_32, adjust based on section flags.
7770         (Target_i386::Relocate::fix_up_ldo): Remove.
7771
7772 2009-10-13  Ian Lance Taylor  <iant@google.com>
7773
7774         Add support for -pie.
7775         * options.h (class General_options): Add -pie and
7776         --pic-executable.
7777         (General_options::output_is_position_independent): Test -pie.
7778         (General_options::output_is_executable): Return true if not shared
7779         and not relocatable.
7780         (General_options::output_is_pie): Remove.
7781         * options.cc (General_options::finalize): Reject incompatible uses
7782         of -pie.
7783         * gold.cc (queue_middle_tasks): A -pie link is not static.
7784         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7785         * symtab.cc (Symbol::final_value_is_known): Return false if
7786         output_is_position_independent.
7787         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7788         output_is_position_independent.
7789         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7790         output_is_position_independent.
7791         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7792         output_is_position_independent.
7793         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7794         two_file_pie_test.
7795         (basic_pie_test.o, basic_pie_test): New targets.
7796         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7797         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7798         (two_file_pie_test): New target.
7799         * testsuite/Makefile.in: Rebuild.
7800         * README: Remove note saying that -pie is not supported.
7801
7802 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7803
7804         * options.h (class General_options): Add -init and -fini.
7805         * layout.cc (Layout::finish_dynamic_section): Emit
7806         given init and fini functions.
7807
7808 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7809
7810         * gc.h (gc_process_relocs): Check if icf is enabled using new
7811         function.
7812         * gold.cc (queue_initial_tasks): Likewise.
7813         (queue_middle_tasks): Likewise.
7814         * object.cc (do_layout): Likewise.
7815         * symtab.cc (is_section_folded): Likewise.
7816         * main.cc (main): Likewise.
7817         * reloc.cc (Read_relocs::run): Likewise.
7818         (Sized_relobj::do_scan_relocs): Likewise.
7819         * icf.cc (is_function_ctor_or_dtor): New function.
7820         (Icf::find_identical_sections): Check if function is ctor or dtor when
7821         safe icf is chosen.
7822         * options.h (General_options::icf): Change option to be an enum.
7823         (Icf_status): New enum.
7824         (icf_enabled): New method.
7825         (icf_safe_folding): New method.
7826         (set_icf_status): New method.
7827         (icf_status_): New variable.
7828         * (options.cc) (General_options::finalize): Set icf_status_.
7829         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7830         icf_test and icf_keep_unique_test to use the --icf enum flag.
7831         * testsuite/icf_safe_test.sh: New file.
7832         * testsuite/icf_safe_test.cc: New file.
7833
7834 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7835
7836         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7837         includes to gc.h and icf.h.
7838         * arm.cc: Include gc.h.
7839         * gold.cc: Likewise.
7840         * i386.cc: Likewise.
7841         * powerpc.cc: Likewise.
7842         * sparc.cc: Likewise.
7843         * x86_64.cc: Likewise.
7844         * gc.h: Include icf.h.
7845
7846 2009-10-11  Ian Lance Taylor  <iant@google.com>
7847
7848         * plugin.cc: Include "gold.h" before other header files.
7849
7850 2009-10-10  Chris Demetriou  <cgd@google.com>
7851
7852         * options.h (Input_file_argument::Input_file_type): New enum.
7853         (Input_file_argument::is_lib_): Replace with...
7854         (Input_file_argument::type_): New member.
7855         (Input_file_argument::Input_file_argument): Take Input_file_type
7856         'type' rather than boolean 'is_lib' as second argument.
7857         (Input_file_argument::is_lib): Use type_.
7858         (Input_file_argument::is_searched_file): New function.
7859         (Input_file_argument::may_need_search): Handle is_searched_file.
7860         * options.cc (General_options::parse_library): Support -l:filename.
7861         (General_options::parse_just_symbols): Update for Input_file_argument
7862         changes.
7863         (Command_line::process): Likewise.
7864         * archive.cc (Archive::get_file_and_offset): Likewise.
7865         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7866         * script.cc (read_script_file, script_add_file): Likewise.
7867         * fileread.cc (Input_file::Input_file): Likewise.
7868         (Input_file::will_search_for): Handle is_searched_file.
7869         (Input_file::open): Likewise.
7870         * readsyms.cc (Read_symbols::get_name): Likewise.
7871         * testsuite/Makefile.am (searched_file_test): New test.
7872         * testsuite/Makefile.in: Regenerate.
7873         * testsuite/searched_file_test.cc: New file.
7874         * testsuite/searched_file_test_lib.cc: New file.
7875
7876 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7877             Ian Lance Taylor  <iant@google.com>
7878
7879         * descriptor.cc: Include <cstdio> and "binary-io.h".
7880         (Descriptors::open): Open the files in binary mode always.
7881         * script.cc (Lex::get_token): Treat \r as whitespace.
7882
7883 2009-10-09  Ian Lance Taylor  <iant@google.com>
7884
7885         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7886
7887 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7888             Ian Lance Taylor  <iant@google.com>
7889
7890         * configure.ac: Check for readv function also.
7891         * fileread.cc (readv): Define if not HAVE_READV.
7892         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7893         does not exist.
7894         * config.in: Regenerate.
7895         * configure: Regenerate.
7896
7897 2009-10-09  Doug Kwan  <dougkwan@google.com>
7898
7899         * layout.cc (Layout::make_output_section): Call target hook to make
7900         ordinary output section.
7901         (Layout::finalize): Adjust parameter list of call the
7902         Target::may_relax().
7903         * layout.h (class Layout::section_list): New method.
7904         * merge.h (Output_merge_base::entsize): Change visibility to public.
7905         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7906         New methods.
7907         (Output_merge_string::do_is_string): New method.
7908         * object.cc (Sized_relobj::do_setup): renamed from
7909         Sized_relobj::set_up.
7910         * object.h (Sized_relobj::adjust_shndx,
7911         Sized_relobj::initializ_input_to_output_maps,
7912         Sized_relobj::free_input_to_output_maps): Change visibilities to
7913         protected.
7914         (Sized_relobj::setup): Virtualize.
7915         (Sized_relobj::do_setup): New method declaration.
7916         (Sized_relobj::invalidate_section_offset,
7917         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7918         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7919         * options.cc (parse_int): New function.
7920         * options.h (parse_int): New declaration.
7921         (DEFINE_int): New macro.
7922         (stub_group_size): New option.
7923         * output.cc (Output_section::Output_section): Initialize memebers
7924         merge_section_map_, merge_section_by_properties_map_,
7925         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7926         (Output_section::add_input_section): Handled deferred code-fill
7927         generation and remove an old comment.
7928         (Output_section::add_relaxed_input_section): New method definition.
7929         (Output_section::add_merge_input_section): Use merge section by
7930         properties map to speed to search.  Update merge section maps
7931         as appropriate.
7932         (Output_section::build_relaxation_map): New method definition.
7933         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7934         Same.
7935         (Output_section::relax_input_section): Renamed to
7936         Output_section::convert_input_sections_to_relaxed_sections and change
7937         interface to take a vector of pointers to relaxed sections.
7938         (Output_section::find_merge_section,
7939         Output_section::find_relaxed_input_section): New method definitions.
7940         (Output_section::is_input_address_mapped,
7941         Output_section::output_offset, Output_section::output_address):
7942         Use output section data maps to speed up searching.
7943         (Output_section::find_starting_output_address): Add comments.
7944         (Output_section::do_write,
7945         Output_section::write_to_postprocessing_buffer): Do code-fill
7946         generation as appropriate.
7947         (Output_section::get_input_sections): Invalidate relaxed input section
7948         map.
7949         (Output_section::restore_states): Adjust type of checkpoint .
7950         Invalidate relaxed input section map.
7951         * output.h (Output_merge_base): New class declaration.
7952         (Input_section_specifier): New class defintion.
7953         (class Output_relaxed_input_section) Change base class to
7954         Output_section_data_build.
7955         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7956         base class initializer.
7957         (Output_section::add_relaxed_input_section): New method declaration.
7958         (Output_section::Input_section): Change visibility to protected.
7959         (Output_section::Input_section::relobj,
7960         Output_section::Input_section::shndx): Handle relaxed input sections.
7961         Output_section::input_sections) Change visibility to protected.  Also
7962         define overload to return a non-const pointer.
7963         (Output_section::Merge_section_properties): New class defintion.
7964         (Output_section::Merge_section_by_properties_map,
7965         Output_section::Output_section_data_by_input_section_map,
7966         Output_section::Relaxation_map): New types.
7967         (Output_section::relax_input_section): Rename method to
7968         Output_section::convert_input_sections_to_relaxed_sections and change
7969         interface to take a vector of relaxed section pointers.
7970         (Output_section::find_merge_section,
7971         Output_section::find_relaxed_input_section,
7972         Output_section::build_relaxation_map,
7973         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7974         New method declarations.
7975         (Output_section::merge_section_map_
7976         Output_section::merge_section_by_properties_map_,
7977         Output_section::relaxed_input_section_map_,
7978         Output_section::is_relaxed_input_section_map_valid_,
7979         Output_section::generate_code_fills_at_write_): New data members.
7980         * script-sections.cc
7981         (Output_section_element_input::set_section_addresses): Call
7982         current_data_size and addralign methods of relaxed input sections.
7983         (Orphan_output_section::set_section_addresses): Call current_data_size
7984         and addralign methods of relaxed input sections.
7985         * symtab.cc (Symbol_table::compute_final_value): Extract template
7986         from the body of Symbol_table::sized_finalize_symbol.
7987         (Symbol_table::sized_finalized_symbol): Call
7988         Symbol_table::compute_final_value.
7989         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7990         (Symbol_table::compute_final_value): New templated method declaration.
7991         * target.cc (Target::do_make_output_section): New method defintion.
7992         * target.h (Target::make_output_section): New method declaration.
7993         (Target::relax): Add more parameters for input objects, symbol table
7994         and layout.  Adjust call to do_relax.
7995         (Target::do_make_output_section): New method declaration.
7996         (Target::do_relax): Add parameters for input objects, symbol table
7997         and layout.
7998
7999 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8000
8001         * pread.c: Include stdio.h.
8002
8003 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8004
8005         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8006         defined.
8007
8008 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8009
8010         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8011         Change read_shndx type to unsigned int.
8012         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8013         int.
8014         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8015         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8016         Change read_shndx type to unsigned int.
8017         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8018         int.
8019         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8020         * layout.cc (Layout::create_symtab_sections): Cast the result of
8021         local_symcount * symsize to off_t in the gold_assert.
8022
8023 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8024
8025         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8026         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8027         R_ARM_BASE_ABS.
8028         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8029         (Arm_relocate_functions::thm_abs5): New function.
8030         (Arm_relocate_functions::abs12): New function.
8031         (Arm_relocate_functions::abs16): New function.
8032         (Arm_relocate_functions::base_abs): New function.
8033         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8034         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8035         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8036         R_ARM_BASE_ABS.
8037         (Scan::global): Likewise.
8038         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8039         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8040         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8041         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8042         R_ARM_BASE_ABS.
8043
8044 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8045
8046         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8047         (Arm_relocate_functions::movt_prel): New function.
8048         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8049         (Arm_relocate_functions::thm_movt_prel): New function.
8050         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8051         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8052         (Scan::global, Relocate::relocate): Likewise.
8053         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8054
8055 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8056
8057         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8058         Incremental_checker.
8059         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8060         unsigned int.
8061         (class Incremental_inputs_header): New class.
8062         (Incremental_inputs_header_writer): Edit comment.
8063         (Incremental_inputs_entry): New class.
8064         (Incremental_inputs_entry_writer): Edit comment.
8065         (Sized_incremental_binary::do_find_incremental_inputs_section):
8066         Add *strtab_shndx parameter, fill it.
8067         (Sized_incremental_binary::do_check_inputs): New method.
8068         (Incremental_checker::can_incrementally_link_output_file): Use
8069         Sized_incremental_binary::check_inputs.
8070         (Incremental_inputs::report_command_line): Save command line in
8071         command_line_.
8072         * incremental.h:
8073         (Incremental_binary::find_incremental_inputs_section): New
8074         method.
8075         (Incremental_binary::do_find_incremental_inputs_section): Add
8076         strtab_shndx parameter.
8077         (Incremental_binary::do_check_inputs): New pure virtual method.
8078         (Sized_incremental_binary::do_check_inputs): Declare.
8079         (Incremental_checker::Incremental_checker): Add incremental_inputs
8080         parameter, use it to initialize incremental_inputs_.
8081         (Incremental_checker::incremental_inputs_): New field.
8082         (Incremental_checker::command_line): New method.
8083         (Incremental_checker::inputs): New method.
8084         (Incremental_checker::command_line_): New field.
8085
8086 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8087
8088         * incremental.cc: Include <cstdarg> and "target-select.h".
8089         (vexplain_no_incremental): New function.
8090         (explain_no_incremental): New function.
8091         (Incremental_binary::error): New method.
8092         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8093         method.
8094         (make_sized_incremental_binary): New function.
8095         (open_incremental_binary): New function.
8096         (can_incrementally_link_file): Add checks if output is ELF and has
8097         inputs section.
8098         * incremental.h: Include "elfcpp_file.h" and "output.h".
8099         (Incremental_binary): New class.
8100         (Sized_incremental_binary): New class.
8101         (open_incremental_binary): Declare.
8102         * object.cc (is_elf_object): Use
8103         elfcpp::Elf_recognizer::is_elf_file.
8104         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8105         * output.h (Output_file::filesize): New method.
8106
8107 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8108
8109         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8110         New function.
8111         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8112         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8113         function.
8114         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8115         function.
8116         (Arm_relocate_functions::movw_abs_nc): New function.
8117         (Arm_relocate_functions::movt_abs): New function.
8118         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8119         (Arm_relocate_functions::thm_movt_abs): New function.
8120         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8121         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8122         (Scan::global): Likewise.
8123         (Relocate::relocate): Likewise.
8124         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8125
8126 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8127
8128         * arm.cc (Arm_relocate_functions::got_prel) New function.
8129         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8130         (Relocate::relocate): Likewise.
8131         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8132
8133 2009-10-06  Ian Lance Taylor  <iant@google.com>
8134
8135         * options.h (class General_options): Define
8136         split_stack_adjust_size parameter.
8137         * object.h (class Object): Add uses_split_stack_ and
8138         has_no_split_stack_ fields.  Add uses_split_stack and
8139         has_no_split_stack accessor functions.  Declare
8140         handle_split_stack_section.
8141         (class Reloc_symbol_changes): Define.
8142         (class Sized_relobj): Define Function_offsets.  Declare
8143         split_stack_adjust, split_stack_adjust_reltype, and
8144         find_functions.
8145         * object.cc (Object::handle_split_stack_section): New function.
8146         (Sized_relobj::do_layout): Call handle_split_stack_section.
8147         * dynobj.cc (Sized_dynobj::do_layout): Call
8148         handle_split_stack_section.
8149         * reloc.cc (Sized_relobj::relocate_sections): Call
8150         split_stack_adjust for executable sections in split_stack
8151         objects.  Pass reloc_map to relocate_section.
8152         (Sized_relobj::split_stack_adjust): New function.
8153         (Sized_relobj::split_stack_adjust_reltype): New function.
8154         (Sized_relobj::find_functions): New function.
8155         * target-reloc.h: Include "object.h".
8156         (relocate_section): Add reloc_symbol_changes parameter.  Change
8157         all callers.
8158         * target.h (class Target): Add calls_non_split method.  Declare
8159         do_calls_non_split virtual method.  Declare match_view and
8160         set_view_to_nop.
8161         * target.cc: Include "elfcpp.h".
8162         (Target::do_calls_non_split): New function.
8163         (Target::match_view): New function.
8164         (Target::set_view_to_nop): New function.
8165         * gold.cc (queue_middle_tasks): Give an error if mixing
8166         split-stack and non-split-stack objects with -r.
8167         * i386.cc (Target_i386::relocate_section): Add
8168         reloc_symbol_changes parameter.
8169         (Target_i386::do_calls_non_split): New function.
8170         * x86_64.cc (Target_x86_64::relocate_section): Add
8171         reloc_symbol_changes parameter.
8172         (Target_x86_64::do_calls_non_split): New function.
8173         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8174         parameter.
8175         * powerpc.cc (Target_powerpc::relocate_section): Add
8176         reloc_symbol_changes parameter.
8177         * sparc.cc (Target_sparc::relocate_section): Add
8178         reloc_symbol_changes parameter.
8179         * configure.ac: Call AM_CONDITIONAL for the default target.
8180         * configure: Rebuild.
8181         * testsuite/Makefile.am (TEST_AS): New variable.
8182         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8183         (check_DATA): Add split_i386 and split_x86_64 files.
8184         (SPLIT_DEFSYMS): Define.
8185         (split_i386_[1234n].o): New targets.
8186         (split_i386_[124]): New targets.
8187         (split_i386_[1234r].stdout): New targets.
8188         (split_x86_64_[1234n].o): New targets.
8189         (split_x86_64_[124]): New targets.
8190         (split_x86_64_[1234r].stdout): New targets.
8191         (MOSTLYCLEANFILES): Add new executables.
8192         * testsuite/split_i386.sh: New file.
8193         * testsuite/split_x86_64.sh: New file.
8194         * testsuite/split_i386_1.s: New file.
8195         * testsuite/split_i386_2.s: New file.
8196         * testsuite/split_i386_3.s: New file.
8197         * testsuite/split_i386_4.s: New file.
8198         * testsuite/split_i386_n.s: New file.
8199         * testsuite/split_x86_64_1.s: New file.
8200         * testsuite/split_x86_64_2.s: New file.
8201         * testsuite/split_x86_64_3.s: New file.
8202         * testsuite/split_x86_64_4.s: New file.
8203         * testsuite/split_x86_64_n.s: New file.
8204         * testsuite/testfile.cc (Target_test): Update relocation_section
8205         function.
8206         * testsuite/Makefile.in: Rebuild.
8207
8208 2009-10-06  Ian Lance Taylor  <iant@google.com>
8209
8210         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8211         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8212         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8213         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8214         the address on ldo_addrs_.
8215         (Target_i386::Relocate::fix_up_ldo): New function.
8216
8217 2009-10-06   Rafael Espindola  <espindola@google.com>
8218
8219         * plugin.cc (add_input_library): New.
8220         (Plugin::load): Add add_input_library to tv.
8221         (Plugin_manager::add_input_file): Add the is_lib argument.
8222         (add_input_file): Update call to Plugin_manager::add_input_file.
8223         (add_input_library): New.
8224         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8225
8226 2009-09-30  Doug Kwan  <dougkwan@google.com>
8227
8228         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8229         symbol and call Symbol::may_need_copy_reloc to determine if
8230         a copy reloc is needed.
8231         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8232         nocopyreloc is given in command line.
8233         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8234         given in command line.
8235         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8236         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8237         of the removed Target_i386::may_need_copy_reloc.
8238         * options.h (copyreloc): New option with default value false.
8239         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8240         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8241         instead of the removed Target_powerpc::may_need_copy_reloc.
8242         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8243         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8244         instead of the removed Target_sparc::may_need_copy_reloc.
8245         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8246         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8247         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8248         instead of the removed Target_x86_64::may_need_copy_reloc.
8249
8250 2009-09-30  Ian Lance Taylor  <iant@google.com>
8251
8252         * object.h (class Object): Remove target_ field, and target,
8253         sized_target, and set_target methods.
8254         (Object::sized_target): Remove.
8255         (class Sized_relobj): Update declarations.  Remove sized_target.
8256         * object.cc (Sized_relobj::setup): Remove target parameter.
8257         Change all callers.
8258         (Input_objects::add_object): Don't do anything with the target.
8259         (make_elf_sized_object): Add punconfigured parameter.  Change all
8260         callers.  Set or test parameter target.
8261         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8262         Change all callers.
8263         * parameters.cc (Parameters::set_target): Change parameter type to
8264         be non-const.
8265         (Parameters::default_target): Remove.
8266         (set_parameters_target): Change parameter type to be non-const.
8267         (parameters_force_valid_target): New function.
8268         (parameters_clear_target): New function.
8269         * parameters.h (class Parameters): Update declarations.  Remove
8270         default_target method.  Add sized_target and clear_target
8271         methods.  Change target_ to be non-const.
8272         (set_parameters_target): Update declaration.
8273         (parameters_force_valid_target): Declare.
8274         (parameters_clear_target): Declare.
8275         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8276         as NULL if we aren't searching.
8277         (Add_symbols::run): Don't check for compatible target.
8278         * fileread.cc (Input_file::open_binary): Call
8279         parameters_force_valid_target.
8280         * gold.cc (queue_middle_tasks): Likewise.
8281         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8282         set_target on object.
8283         * dynobj.h (class Sized_dynobj): Update declarations.
8284         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8285         make_elf_object returns NULL.
8286         (Archive::include_member): Don't check whether object target is
8287         compatible.
8288         * output.cc (Output_section::add_input_section): Get target from
8289         parameters.
8290         (Output_section::relax_input_section): Likewise.
8291         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8292         parameters.
8293         (Sized_relobj::do_scan_relocs): Likewise.
8294         (Sized_relobj::relocate_sections): Likewise.
8295         * resolve.cc (Symbol_table::resolve): Likewise.
8296         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8297         parameter.  Change all callers.
8298         (Symbol_table::add_from_object): Get target from parameters.
8299         (Symbol_table::add_from_relobj): Don't check object target.
8300         (Symbol_table::add_from_dynobj): Likewise.
8301         (Symbol_table::define_special_symbol): Get target from
8302         parameters.
8303         * symtab.h (class Symbol_table): Update declaration.
8304         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8305         parameter.  Change all callers.  Clear parameter target.
8306         (Binary_test): Test target here.
8307         * testsuite/object_unittest.cc (gold_testsuite): Remove
8308         target_test_pointer parameter.  Change all callers.
8309         (Object_test): Test target here.
8310
8311 2009-09-26  Ian Lance Taylor  <iant@google.com>
8312
8313         * testsuite/initpri1.c: Don't try to use constructor priorities if
8314         compiling with gcc before 4.3.
8315
8316 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8317
8318         * testsuite/retain_symbols_file_test.sh (check_present): Change
8319         output file name to retain_symbols_file_test.stdout.
8320         (check_absent): Likewise.
8321
8322 2009-09-18  Craig Silverstein  <csilvers@google.com>
8323
8324         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8325         * options.cc: Include <cerrno> and <fstream>.
8326         (General_options::finalize): Parse -retain-symbols-file tag.
8327         * options.h: New flag.
8328         (General_options): New method should_retain_symbol, new
8329         variable symbols_to_retain.
8330         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8331         should_retain_symbol map.
8332         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8333         * testsuite/Makefile.in: Regenerate.
8334         * testsuite/retain_symbols_file_test.sh: New file.
8335
8336 2009-09-18  Nick Clifton  <nickc@redhat.com>
8337
8338         * po/es.po: Updated Spanish translation.
8339
8340 2009-09-17  Doug Kwan  <dougkwan@google.com>
8341
8342         * debug.h (DEBUG_RELAXATION): New constant.
8343         (DEBUG_ALL): Add DEBUG_RELAXATION.
8344         (debug_string_to_enum): Add relaxation debug option.
8345         * layout.cc
8346         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8347         Layout::Relaxation_debug_check::read_sections,
8348         Layout::Relaxation_debug_check::read_sections): New method definitions.
8349         (Layout::Layout): Initialize data members
8350         record_output_section_data_from_scrips_,
8351         script_output_section_data_list_ and relaxation_debug_check_.
8352         (Layout::save_segments, Layout::restore_segments,
8353         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8354         Layout::relaxation_loop_body): New method definitions.
8355         (Layout::finalize): Support relaxation.  Move section layout code to
8356         Layout::relaxation_loop_body.
8357         (Layout::set_asection_address_from_script): Move code for orphan
8358         section placement out.
8359         (Layout::place_orphan_sections_in_script): New method definition.
8360         * layout.h (Output_segment_headers, Output_file_header):
8361         New forward class declarations.
8362         (Layout::~Layout): Define.
8363         (Layout::new_output_section_data_from_script): New method definition.
8364         (Layout::place_orphan_sections_in_script): New method declaration.
8365         (Layout::Segment_states): New type declaration.
8366         (Layout::save_segments, Layout::restore_segments,
8367         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8368         Layout::relaxation_loop_body): New method declarations.
8369         (Layout::Output_section_data_list): New type declaration.
8370         (Layout::Relaxation_debug_check): New class definition.
8371         (Layout::record_output_section_data_from_script_,
8372         Layout::script_output_section_data_list_, Layout::segment_states_,
8373         Layout::relaxation_debug_check_): New data members.
8374         * output.cc: (Output_section_headers::do_size): New method definition.
8375         (Output_section_headers::Output_section_headers): Move size
8376         computation to Output_section_headers::do_size.
8377         (Output_segment_headers::do_size): New method definition.
8378         (Output_file_header::Output_file_header): Move size computation to
8379         Output_file_header::do_size and call it.
8380         (Output_file_header::do_size): New method definition.
8381         (Output_data_group::Output_data_group): Adjust call to
8382         Output_section_data.
8383         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8384         (Output_symtab_xindex::do_write): Add array bound check.
8385         (Output_section::Input_section::print_to_mapfile): Handle
8386         RELAXED_INPUT_SECTION_CODE.
8387         (Output_section::Output_section): Initialize data member checkpoint_.
8388         (Output_section::~Output_section): Delete checkpoint object pointed
8389         by checkpoint_.
8390         (Output_section::add_input_section): Always add an Input_section if
8391         relaxing.
8392         (Output_section::add_merge_input_section): Add assert.
8393         (Output_section::relax_input_section): New method definition.
8394         (Output_section::set_final_data_size): Set load address to zero for
8395         an unallocated section.
8396         (Output_section::do_address_and_file_offset_have_reset_values):
8397         New method definition.
8398         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8399         Handle relaxed input section.
8400         (Output_section::sort_attached_input_sections): Checkpoint input
8401         section list lazily.
8402         (Output_section::get_input_sections): Change type of input_sections to
8403         list of Simple_input_section pointers.  Checkpoint input section list
8404         lazily.  Also handle relaxed input sections.
8405         (Output_section::add_input_section_for_script): Take a reference to
8406         a Simple_input_section object instead of Relobj pointer and section
8407         index as parameter.  Handle relaxed input sections.
8408         (Output_section::save_states, Output_section::restore_states): New
8409         method definitions.
8410         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8411         (Output_data::is_data_size_fixed): New method definition.
8412         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8413         if it is fixed.
8414         (Output_data::address_and_file_offset_have_reset_values): New method
8415         definition.
8416         (Output_data::do_address_and_file_offset_have_reset_values): New method
8417         definition.
8418         (Output_data::set_data_size): Check that data size is not fixed.
8419         (Output_data::fix_data_size): New method definition.
8420         (Output_data::is_data_size_fixed_): New data member.
8421         (Output_section_headers::set_final_data_size): New method definition.
8422         (Output_section_headers::do_size): New method declaration.
8423         (Output_segment_headers::set_final_data_size): New method definition.
8424         (Output_segment_headers::do_size): New method declaration.
8425         (Output_file_header::set_final_data_size)::New method definition.
8426         (Output_file_header::do_size)::New method declaration.
8427         (Output_section_data::Output_section_data): Add new parameter
8428         is_data_size_fixed and use it to fix data size.
8429         (Output_data_const::Output_data_const): Adjust call to base class
8430         constructor and fix data size.
8431         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8432         base class constructor and fix data size.
8433         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8434         base class constructor and fix data size.
8435         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8436         class constructor and fix data size.
8437         (Output_data_group::set_final_data_size): New method definition.
8438         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8439         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8440         class constructor and fix data size.
8441         (Output_relaxed_input_section): New class definition.
8442         (Output_section::Simple_input_section): New class definition.
8443         (Output_section::get_input_sections): Adjust parameter list.
8444         (Output_section::add_input_section_for_script): Same.
8445         (Output_section::save_states, Output_section::restore_states,
8446         Output_section::do_address_and_file_offset_have_reset_values,
8447         (Output_section::Input_section::Input_section): Handle
8448         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8449         Output_relaxed_input_section.
8450         (Output_section::Input_section::is_input_section,
8451         Output_section::Input_section::set_output_section): Handle relaxed
8452         input section.
8453         (Output_section::Input_section::is_relaxed_input_section,
8454         Output_section::Input_section::output_section_data,
8455         Output_section::Input_section::relaxed_input_section): New method
8456         definitions.
8457         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8458         value.
8459         (Output_section::Input_section::u1_): Update comments.
8460         (Output_section::Input_section::u2_): Add new union member poris.
8461         (Output_section::Checkpoint_output_section): New classs definition.
8462         (Output_section::relax_input_section): New method declaration.
8463         (Output_section::checkpoint_): New data member.
8464         (Output_segment): Update comments.
8465         (Output_segment::Output_segment): Un-privatize copy constructor.
8466         (Output_segment::operator=): Un-privatize.
8467         * script-sections.cc (Output_section_element::Input_section_list):
8468         Change element type to Output_section::Simple_input_section.
8469         (Output_section_element_dot_assignment::set_section_addresses):
8470         Register output section data for relaxation clean up.
8471         (Output_data_exression::Output_data_expression): Adjust call to base
8472         constructor to fix data size.
8473         (Output_section_element_data::set_section_addresses): Register
8474         Output_data_expression object for relaxation clean up.
8475         (struct Input_section_info): Replace Relobj pointer and section index
8476         pair with Output_section::Simple_input_section and Convert struct to a
8477         class.
8478         (Input_section_sorter::operator()): Adjust access to
8479         Input_section_info data member to use accessors.
8480         (Output_section_element_input::set_section_addresses): Use layout
8481         parameter.  Adjust code to use Output_section::Simple_input_section
8482         and Input_secction_info classes.  Register filler for relaxation
8483         clean up.
8484         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8485         and section index pair with Output_section::Simple_input_section
8486         class.  Adjust code accordingly.
8487         (Phdrs_element::release_segment): New method definition.
8488         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8489         segment list.
8490         (Script_sections::release_segments): New method definition.
8491         * gold/script-sections.h (Script_sections::release_segments): New
8492         method declaration.
8493         * gold/target.h (Target::may_relax, Target::relax,
8494         Target::do_may_relax, Target::do_relax): New method definitions.
8495
8496 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8497
8498         * arm.cc (has_signed_unsigned_overflow): New function.
8499         (Arm_relocate_functions::abs8): New function.
8500         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8501         (Target_arm::Scan::global): Likewise.
8502         (Target_arm::relocate::relocate): Likewise.
8503         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8504         Likewise.
8505
8506 2009-09-16  Cary Coutant  <ccoutant@google.com>
8507
8508         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8509         * testsuite/Makefile.in: Regenerate.
8510
8511 2009-09-11  Nick Clifton  <nickc@redhat.com>
8512
8513         * po/gold.pot: Updated by the Translation project.
8514
8515 2009-09-08  Cary Coutant  <ccoutant@google.com>
8516
8517         * output.cc (Output_file::open): Add execute permission to empty file.
8518         * testsuite/Makefile.am (permission_test): New test.
8519         * testsuite/Makefile.in: Regenerate.
8520
8521 2009-09-02  Ian Lance Taylor  <iant@google.com>
8522
8523         * output.cc (Output_file::resize): Call map_no_anonymous rather
8524         than map.
8525
8526 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8527
8528         * gold.cc: Include "incremental.h".
8529         (queue_initial_tasks): Call Incremental_checker methods.
8530         * incremental.cc: Include "output.h".
8531         (Incremental_checker::can_incrementally_link_output_file): New
8532         method.
8533         * incremental.h (Incremental_checker): New class.
8534
8535         * output.cc (Output_file::open_for_modification): New method.
8536         (Output_file::map_anonymous): Changed return type to bool.  Record
8537         map in base_ field.
8538         (Output_file::map_no_anonymous): New method, broken out of map.
8539         (Output_file::map): Use map_no_anonymous and map_anonymous.
8540         * output.h (class Output_file): Update declarations.
8541
8542 2009-08-24  Cary Coutant  <ccoutant@google.com>
8543
8544         * options.h (Command_line::Pre_options): New class.
8545         (Command_line::pre_options): New member.
8546         * options.cc (gold::options::ready_to_register): New variable.
8547         (One_option::register_option): Do nothing if not registering options.
8548         Assert if same short option registered twice.
8549         (General_options::General_options): Turn off option registration when
8550         done constructing.
8551         (Command_line::Pre_options::Pre_options): New constructor.
8552
8553 2009-08-24  Cary Coutant  <ccoutant@google.com>
8554
8555         * options.h (General_options::no_keep_memory): Remove incorrect
8556         short option.
8557
8558 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8559
8560         * Makefile.am (am__skiplex, am__skipyacc): New.
8561         * Makefile.in: Regenerate.
8562
8563 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8564
8565         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8566         (INCLUDES): ... this.
8567         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8568         (AM_CPPFLAGS): Renamed from ...
8569         (INCLUDE): ... this.
8570         * Makefile.in, testsuite/Makefile.in: Regenerate.
8571
8572         * Makefile.in: Regenerate.
8573         * aclocal.m4: Likewise.
8574         * config.in: Likewise.
8575         * configure: Likewise.
8576         * testsuite/Makefile.in: Likewise.
8577
8578         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8579         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8580         * Makefile.in: Regenerate.
8581         * testsuite/Makefile.in: Regenerate.
8582
8583 2009-08-19  Cary Coutant  <ccoutant@google.com>
8584
8585         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8586         symbols in shared libraries overridden by hidden or internal symbols
8587         in the main program.
8588
8589 2009-08-19  Chris Demetriou  <cgd@google.com>
8590
8591         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8592         checking source file names in error messages.
8593
8594 2009-08-18  Doug Kwan  <dougkwan@google.com>
8595
8596         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8597         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8598         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8599         an elfcpp::Ehdr as parameter.
8600         * object.cc (Object::set_target): Remove the version that looks up
8601         a target and sets it.
8602         (Sized_relobj::setup): Take a Target object instead of
8603         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8604         (make_elf_sized_object): Find target and ask target to
8605         make an ELF object.
8606         * object.h: (Object::set_target): Remove the version that looks up
8607         a target and sets it.
8608         (Sized_relobj::setup): Take a Target object instead of
8609         an elfcpp:Ehdr as parameter.
8610         * target.cc: Include dynobj.h.
8611         (Target::do_make_elf_object_implementation): New.
8612         (Target::do_make_elf_object): New.
8613         * target.h (Target::make_elf_object): New template declaration.
8614         (Target::do_make_elf_object): New method declarations.
8615         (Target::do_make_elf_object_implementation): New template declaration.
8616
8617 2009-08-14  Ian Lance Taylor  <iant@google.com>
8618
8619         * gold.h (FUNCTION_NAME): Define.
8620         (gold_unreachable): Use FUNCTION_NAME.
8621
8622 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8623
8624         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8625         symbol in the --keep-unique list is not found.
8626
8627 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8628
8629         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8630         been maked as --keep-unique.
8631         (Icf::unfold_section): New function.
8632         * icf.h (Icf::unfold_section): New function.
8633         * options.h (General_options::keep_unique): New option.
8634         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8635         * testsuite/Makefile.in: Regenerate.
8636         * testsuite/icf_keep_unique_test.sh: New file.
8637         * testsuite/icf_keep_unique_test.cc: New file.
8638
8639 2009-08-12  Cary Coutant  <ccoutant@google.com>
8640
8641         PR 10471
8642         * resolve.cc (Symbol_table::resolve): Check for references from
8643         dynamic objects to hidden and internal symbols.
8644         * testsuite/Makefile.am (hidden_test.sh): New test.
8645         * testsuite/Makefile.in: Regenerate.
8646         * testsuite/hidden_test.sh: New script.
8647         * testsuite/hidden_test_1.c: New test source.
8648         * testsuite/hidden_test_main.c: New test source.
8649
8650 2009-08-11  Doug Kwan  <dougkwan@google.com>
8651
8652         * arm.cc: Update comments.
8653         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8654         segment to locate the .ARM.exidx section if present.
8655
8656 2009-08-09  Doug Kwan  <dougkwan@google.com>
8657
8658         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8659         patch.
8660
8661 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8662         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8663         compiler warnings.
8664
8665 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8666
8667         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8668         valid tls_segment only for non-debug-section relocations.
8669         * testsuite/Makefile.am: Add gc_tls_test.
8670         * testsuite/Makefile.in: Regenerate.
8671         * testsuite/gc_tls_test.cc: New file.
8672         * testsuite/gc_tls_test.sh: New file.
8673
8674 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8675
8676         * icf.cc: New file.
8677         * icf.h: New file.
8678         * Makefile.am (CCFILES): Add icf.cc.
8679         (HFILES): Add icf.h
8680         * Makefile.in: Regenerate.
8681         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8682         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8683         section, symbol and addend information for the relocs.
8684         * gold.cc (queue_middle_tasks): Call identical code folding.
8685         * gold.h: Add defines for multimap.
8686         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8687         to the call of finalize_local_symbols.
8688         * main.cc (main): Create object of class Icf.
8689         * object.cc (Sized_relobj::do_layout): Allow this function to be
8690         called twice during icf.
8691         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8692         to sections marked as identical by icf.
8693         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8694         when available.
8695         (Sized_relobj::do_section_entsize): New function.
8696         * object.h (Object::section_entsize): New function.
8697         (Object::do_section_entsize): New pure virtual function.
8698         (Relobj::finalize_local_symbols): Add new parameter.
8699         (Relobj::do_section_entsize): New function.
8700         * options.h (General_options::icf): New option.
8701         (General_options::icf_iterations): New option.
8702         (General_options::print_icf_sections): New option.
8703         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8704         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8705         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8706         icf.
8707         * symtab.cc (Symbol_table::is_section_folded): New function.
8708         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8709         to sections marked as identical by icf.
8710         * symtab.h (Symbol_table::set_icf): New function.
8711         (Symbol_table::icf): New function.
8712         (Symbol_table::is_section_folded): New function.
8713         (Symbol_table::icf_): New data member.
8714         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8715         * testsuite/Makefile.am: Add commands to build icf_test.
8716         * testsuite/Makefile.in: Regenerate.
8717         * testsuite/icf_test.sh: New file.
8718         * testsuite/icf_test.cc: New file.
8719
8720 2009-07-24  Chris Demetriou  <cgd@google.com>
8721
8722         * layout.cc (is_compressible_debug_section): Fix incorrect
8723         comment about compressed section names.
8724
8725 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8726
8727         PR 10419
8728         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8729
8730 2009-07-16  Ian Lance Taylor  <iant@google.com>
8731
8732         PR 10400
8733         * layout.h: #include <map>.
8734         (class Kept_section): Change from struct to class.  Add accessors
8735         and setters.  Add section size to Comdat_group mapping.  Change
8736         Comdat_group to std::map.  Add is_comdat_ field.  Add
8737         linkonce_size field in union.
8738         (class Layout): Update declaration of find_or_add_kept_section.
8739         Don't declare find_kept_object.
8740         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8741         parameter.  Add object, shndx, is_comdat, and is_group_name
8742         parameters.  Change all callers.  Adjust for new Kept_section.
8743         (Layout::find_kept_object): Remove.
8744         * object.cc (Sized_relobj::include_section_group): Update use of
8745         Kept_section.  Rename secnum to shndx.  Only record
8746         Kept_comdat_section if sections are the same size.
8747         (Sized_relobj::include_linkonce_section): Update use of
8748         Kept_section.  Only record Kept_comdat_section if sections are the
8749         same size.  Set size of linkonce section.
8750         (Sized_relobj::map_to_kept_section): Update call to
8751         get_kept_comdat_section.
8752         * object.h (class Sized_relobj): Rename fields in
8753         Kept_comdat_section to drop trailing underscores; change object
8754         field to Relobj*.  Change Kept_comdat_section_table to store
8755         struct rather than pointer.
8756         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8757         Add kept_object and kept_shndx parameters.  Change all callers.
8758         (Sized_relobj::get_kept_comdat_section): Change return type to
8759         bool.  Add kept_object and kept_shndx parameters.  Change all
8760         callers.
8761         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8762         Layout::find_or_add_kept_section.
8763
8764 2009-07-09  Ian Lance Taylor  <iant@google.com>
8765
8766         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8767         Reserve space in the hash table.
8768
8769 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8770
8771         * fileread.cc (File_read::get_mtime): New method.
8772         * fileread.h (Timespec): New structure.
8773         (File_read::get_mtime): New method.
8774         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8775         Renamed from timestamp_nsec.
8776         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8777         Elf_Xword.
8778         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8779         timestamp_nsec.
8780         (Incremental_inputs::report_archive): Save mtime; style fix.
8781         (Incremental_inputs::report_obejct): Save mtime; style fix.
8782         (Incremental_inputs::report_script): Save mtime; style fix.
8783         (Incremental_inputs::finalize_inputs): Style fix.
8784         (Incremental_inputs::finalize): Style fix.
8785         (Incremental_inputs::create_input_section_data): Store inputs
8786         mtime.
8787         * incremental.h (Incremental_inputs::report_script): Add mtime
8788         argument.
8789         (Incremental_inputs::Input_info::Input_info): Intialize only one
8790         union member.
8791         (Incremental_inputs::Input_info::archive): Move to nameless
8792         union.
8793         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8794         (Incremental_inputs::Input_info::script): Move to nameless union.
8795         (Incremental_inputs::mtime): New field.
8796         * script.cc (read_input_script): Pass file mtime to
8797         Incremental_input.
8798         * script.h (Script_info::inputs): Style fix.
8799
8800 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8801
8802         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8803         instead of 32.
8804
8805 2009-06-24  Ian Lance Taylor  <iant@google.com>
8806
8807         PR 10156
8808         * layout.cc (Layout::choose_output_section): If we find an
8809         existing section, update the flags.
8810         (Layout::create_notes): New function, broken out of
8811         Layout::finalize.
8812         (Layout::finalize): Don't create note sections.
8813         (Layout::create_note): Don't crash if linker script discards
8814         section.
8815         (Layout::create_gold_note): Likewise.
8816         (Layout::create_build_id): Likewise.  Don't set
8817         after_input_sections on the section.
8818         (Layout::create_executable_stack_info): Remove target parameter.
8819         Change caller.
8820         * layout.h (class Layout): Declare create_notes.  Update
8821         declaration of create_executable_stack_info.
8822         * gold.cc (queue_middle_tasks): Call create_notes.
8823         * output.cc (Output_section::update_flags_for_input_section): Move
8824         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8825         invalid.
8826         * output.h (Output_data::mark_address_invalid): New function.
8827         (class Output_section): Only declare, not define,
8828         update_flags_for_input_section.  Remove set_flags.
8829
8830 2009-06-24  Ian Lance Taylor  <iant@google.com>
8831
8832         * script-sections.cc (Output_section_definition::
8833         set_section_addresses): Rename shadowing local load_address to
8834         laddr.
8835
8836 2009-06-24  Ian Lance Taylor  <iant@google.com>
8837
8838         PR 10244
8839         * reloc.cc (relocate_sections): Skip empty relocation sections.
8840
8841 2009-06-23  Ian Lance Taylor  <iant@google.com>
8842
8843         PR 10156
8844         * layout.cc (Layout::create_note): Use choose_output_section
8845         rather than make_output_section.
8846
8847 2009-06-23  Ian Lance Taylor  <iant@google.com>
8848
8849         PR 10237
8850         * options.cc (General_options::parse_V): Set printed_version_.
8851         (General_options::General_options): Initialize printed_version_.
8852         * options.h (class General_options): Add printed_version_ field.
8853         * gold.cc (queue_initial_tasks): If there are no input files,
8854         don't give a fatal error if we printed the version information.
8855         (queue_middle_tasks): If using -r with a shared object, give a
8856         fatal error rather than an ordinary error.
8857
8858 2009-06-23  Ian Lance Taylor  <iant@google.com>
8859
8860         PR 10219
8861         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8862         (Layout::make_output_section): Set have_stabstr_section_ if we see
8863         a .stab*str section.
8864         (Layout::finalize): Call link_stabs_sections.
8865         (Layout::link_stabs_sections): New file.
8866         * layout.h (class Layout): Add have_stabstr_section_ field.
8867         Declare link_stabs_sections.
8868
8869 2009-06-23  Doug Kwan  <dougkwan@google.com>
8870
8871         * Makefile.am (libgold_a_LIBADD): New.
8872         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8873         * Makefile.in: Regenerate.
8874         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8875         * configure: Regenerate.
8876         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8877         * fileread.cc: Include sys/state.h
8878         * gold.h: Declare memmem and strndup if found missing.
8879         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8880
8881 2009-06-23  Ian Lance Taylor  <iant@google.com>
8882
8883         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8884         * configure: Rebuild.
8885
8886 2009-06-23  Ian Lance Taylor  <iant@google.com>
8887
8888         PR 10147
8889         * object.cc (Object::section_contents): Don't try to get a view if
8890         the section has length zero.
8891         (Object::handle_gnu_warning_section): If the section is empty, use
8892         the name of the section as the warning.
8893
8894 2009-06-23  Ian Lance Taylor  <iant@google.com>
8895
8896         PR 10133
8897         * stringpool.h (class Stringpool_template): Add optimize_ field.
8898         (Stringpool_template::set_optimize): New function.
8899         * stringpool.cc (Stringpool_template::Stringpool_template):
8900         Initialize optimize_ field.
8901         (Stringpool_template::set_string_offsets): Test local optimize
8902         fild rather than parameter.
8903         * layout.cc (Layout::Layout): Call set_optimize on the section
8904         name stringpool.
8905
8906 2009-06-22  Ian Lance Taylor  <iant@google.com>
8907
8908         PR 10030
8909         * yyscript.y: Parse TARGET.
8910         * script.cc (script_set_target): New function.
8911         * script-c.h (script_set_target): Declare.
8912         * options.cc (General_options::string_to_object_format): Rename
8913         from string_to_object_format in anonymous namespace.  Change
8914         callers.
8915         * options.h (class General_options): Declare
8916         string_to_object_format.
8917
8918 2009-06-22  Ian Lance Taylor  <iant@google.com>
8919
8920         * script-sections.cc (Script_sections::create_segments): Don't put
8921         program headers in a PT_LOAD segment if -n or -N.
8922
8923 2009-06-22  Ian Lance Taylor  <iant@google.com>
8924
8925         PR 10141
8926         * options.h (class General_options): Add -z lazy and -z now.  Sort
8927         -z options into alphabetical order.
8928         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8929
8930 2009-06-21  Ian Lance Taylor  <iant@google.com>
8931
8932         * layout.cc (Layout::make_output_section): Call
8933         Target::new_output_section.
8934         (Layout::attach_allocated_section_to_segment): Put large section
8935         sections in a separate load segment with the large segment flag
8936         set.
8937         (Layout::segment_precedes): Sort large data segments after other
8938         load segments.
8939         (align_file_offset): New static function.
8940         (Layout::set_segment_offsets): Use align_file_offset.
8941         * output.h (class Output_section): Add is_small_section_ and
8942         is_large_section_ fields.
8943         (Output_section::is_small_section): New function.
8944         (Output_section::set_is_small_section):  New function.
8945         (Output_section::is_large_section): New function.
8946         (Output_section::set_is_large_section): New function.
8947         (Output_section::is_large_data_section): New function.
8948         (class Output_segment): Add is_large_data_segment_ field.
8949         (Output_segment::is_large_data_segment): New function.
8950         (Output_segment::set_is_large_data_segment): New function.
8951         * output.cc (Output_section::Output_section): Initialize new
8952         fields.
8953         (Output_segment::Output_segment): Likewise.
8954         (Output_segment::add_output_section): Add assertion that large
8955         data sections always go in large data segments.  Force small data
8956         sections to the end of the list of data sections.  Force small BSS
8957         sections to the start of the list of BSS sections.  For large BSS
8958         sections to the end of the list of BSS sections.
8959         * symtab.h (class Symbol): Declare is_common_shndx.
8960         (Symbol::is_defined): Check Symbol::is_common_shndx.
8961         (Symbol::is_common): Likewise.
8962         (class Symbol_table): Define enum Commons_section_type.  Update
8963         declarations.  Add small_commons_ and large_commons_ fields.
8964         * symtab.cc (Symbol::is_common_shndx): New function.
8965         (Symbol_table::Symbol_table): Initialize new fields.
8966         (Symbol_table::add_from_object): Put small and large common
8967         symbols in the right list.
8968         (Symbol_table::sized_finalized_symbol): Check
8969         Symbol::is_common_shndx.
8970         (Symbol_table::sized_write_globals): Likewise.
8971         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8972         common symbol lists.  Don't call do_allocate_commons_list if the
8973         list is empty.
8974         (Symbol_table::do_allocate_commons_list): Remove is_tls
8975         parameter.  Add comons_section_type parameter.  Change all
8976         callers.  Handle small and large common symbols.
8977         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8978         Symbol::is_common_shndx.
8979         * resolve.cc (symbol_to_bits): Likewise.
8980         * target.h (Target::small_common_shndx): New function.
8981         (Target::small_common_section_flags): New function.
8982         (Target::large_common_shndx): New function.
8983         (Target::large_common_section_flags): New function.
8984         (Target::new_output_section): New function.
8985         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8986         small_common_section_flags, and large_common_section_flags
8987         fields.
8988         (Target::do_new_output_section): New virtual function.
8989         * arm.cc (Target_arm::arm_info): Initialize new fields.
8990         * i386.cc (Target_i386::i386_info): Likewise.
8991         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8992         Likewise.
8993         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8994         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8995         (Target_x86_64::do_new_output_section): New function.
8996         * configure.ac: Define conditional MCMODEL_MEDIUM.
8997         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8998         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8999         (large_LDFLAGS): Define.
9000         * testsuite/large.c: New file.
9001         * testsuite/testfile.cc (Target_test::test_target_info):
9002         Initialize new fields.
9003         * configure, testsuite/Makefile.in: Rebuild.
9004
9005 2009-06-05  Doug Kwan  <dougkwan@google.com>
9006
9007         * Makefile.am (CCFILES): Add target.cc.
9008         * Makefile.in: Regenerate.
9009         * i386.cc (class Target_i386): Define new virtual method to
9010         override do_is_local_label_name in parent.
9011         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9012         local symbols if --discard-locals or -X is given.
9013         * options.h (class General_options): Declare new options
9014         '--discard-locals' and '-X' for discarding locals.
9015         * target.h (class Target): Define new methods is_local_label_name.
9016         Declare new virtual method do_is_local_label_name.
9017         * target.cc: New file.
9018         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9019         (check_SCRIPTS): Add discard_locals_test.sh.
9020         (check_DATA): Add discard_local_tests.syms.
9021         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9022         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9023         * testsuite/Makefile.in: Regenerate.
9024         * testsuite/discard_locals_test.c: New file.
9025         * testsuite/discard_locals_test.sh: Same.
9026
9027 2009-06-05  Doug Kwan  <dougkwan@google.com>
9028
9029         * object.cc (Sized_relobj::Sized_relobj): Initialize
9030         discarded_eh_frame_shndx_ to -1U.
9031         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9032         section.
9033         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9034         a discarded .eh_frame section.
9035         (Sized_relobj::do_finalize_local_symbols): Ditto.
9036         * object.h (class Sized_relobj): Declare new member
9037         discarded_eh_frame_shndx_.
9038         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9039         (local_labels_test.o, local_labels_test): New rules.
9040         * testsuite/Makefile.in: Regenerate.
9041
9042 2009-06-04  Doug Kwan  <dougkwan@google.com>
9043
9044         * layout.cc (Layout::section_name_mapping): Add mapping for
9045         special ARM sections.
9046
9047 2009-06-03  Doug Kwan  <dougkwan@google.com>
9048
9049         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9050         (utils::has_overflow): Same.
9051
9052 2009-06-03  Ian Lance Taylor  <iant@google.com>
9053
9054         * layout.cc (Layout::section_name_mapping): New array, replacing
9055         Layout::linkonce_mapping.
9056         (Layout::section_name_mapping_count): New variable, replacing
9057         Layout::linkonce_mapping_count.
9058         (Layout::linkonce_output_name): Remove.
9059         (Layout::output_section_name): Rewrite.
9060         * layout.h (class Layout): Rename Linkonce_mapping to
9061         Section_name_mapping, linkonce_mapping to section_name_mapping,
9062         linkonce_mapping_count to section_name_mapping_count.  Don't
9063         declare linkonce_output_name.
9064
9065 2009-06-03  Doug Kwan  <dougkwan@google.com>
9066
9067         * gold/arm.cc (namespace utils): New.
9068         (Target_arm::reloc_is_non_pic): Define new method.
9069         (class Arm_relocate_functions): New.
9070         (Target_arm::Relocate::relocate): Handle relocation types used by
9071         Android.
9072
9073 2009-06-03  Ian Lance Taylor  <iant@google.com>
9074
9075         * arm.cc (Target_arm::scan::global): Use || instead of |.
9076
9077 2009-06-02  Doug Kwan  <dougkwan@google.com>
9078
9079         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9080         issued_non_pic_error_.
9081         (class Target_arm::Scan): Declare new method check_non_pic.
9082         Define new method symbol_needs_plt_entry.
9083         Declare new data member issued_non_pic_error_.
9084         (class Target_arm::Relocate): Declare new method
9085         should_apply_static_reloc.
9086         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9087         (Target_arm::Scan::check_non_pic): Define new method.
9088         (Target_arm::Scan::local): Handle a small subset of reloc types used
9089         by Android.
9090         (Target_arm::Scan::local): Same.
9091         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9092
9093 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9094
9095         * incremental.cc (Incremental_inputs::report_command_line): Filter
9096         out --incremental-* options.
9097
9098 2009-05-29  Doug Kwan  <dougkwan@google.com>
9099
9100         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9101         template class.
9102         (class Target_arm): Update comment.
9103         (Target_arm::Target_arm): Initialize new data members GOT_,
9104         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9105         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9106         and Target_arm::rel_dyn_section.
9107         Declare new_enum Target_arm::Got_type.
9108         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9109         and DYNBSS_.
9110         Update commments for member do_dynsym_value.
9111         (Target_arm::got_size, Target_arm::plt_section,
9112         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9113         new methods inside class defintion.
9114         (Target_arm::got_section): Define new method.
9115         (Target_arm::rel_dyn_section): Same.
9116         (Output_data_plt_arm): New template class.
9117         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9118         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9119         (Output_data_plt_arm::add_entry): Same.
9120         (Output_data_plt_arm::first_plt_entry): Define new
9121         static data member for PLT instruction template.
9122         (Output_data_plt_arm::plt_entry): Same.
9123         (Output_data_plt_arm::do_write): Define new method.
9124         (Target_arm::make_plt_entry): Same.
9125         (Target_arm::do_finalize_sections): Same.
9126         (Target_arm::do_dynsym_value): Same.
9127
9128 2009-05-28  Doug Kwan  <dougkwan@google.com>
9129
9130         * Makefile.am (TARGETSOURCES): Add arm.cc.
9131         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9132         * Makefile.in: Regenerate.
9133         * arm.cc: New file.
9134         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9135
9136 2009-05-26  Doug Kwan  <dougkwan@google.com>
9137
9138         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9139         (General_options::check_excluded_libs): Strip off directories in
9140         archive name before matching like GNU ld does.
9141         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9142         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9143         (exclude_libs_test_LDFLAGS): Add linker option
9144         -Wl,--exclude-libs,libexclude_libs_test_3
9145         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9146         an explicit archive without using -l.
9147         (alt/libexclude_libs_test_3.a): New make rule.
9148         * testsuite/Makefile.in: Regenerate.
9149         * testsuite/exclude_libs_test.c : Declare lib3_default().
9150         (main): Call it.
9151         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9152         * exclude_libs_test_3.c: New file.
9153
9154 2009-05-26  Nick Clifton  <nickc@redhat.com>
9155
9156         * po/id.po: New Indonesian translation.
9157         * po/gold.pot: Updated template file.
9158
9159 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9160
9161         * testsuite/Makefile.am: Add -ffunction-sections to compile
9162         gc_comdat_test files.  Add -Wl,--gc-sections to build
9163         gc_comdat_test.
9164         * testsuite/Makefile.in: Regenerate.
9165         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9166
9167 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9168
9169         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9170         kept comdat section was garbage collected.
9171         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9172         * testsuite/Makefile.in: Regenerate.
9173         * testsuite/gc_comdat_test.sh: New file.
9174         * testsuite/gc_comdat_test_1.cc: New file.
9175         * testsuite/gc_comdat_test_2.cc: New file.
9176
9177 2009-05-19  Doug Kwan  <dougkwan@google.com>
9178
9179         * archive.cc (Archive::Archive): Move constructor from archive.h
9180         to here.  Initialize no_export_.
9181         (Archive::get_elf_object_for_member): Set no_export flag of object.
9182         * archive.h (Archive::Archive): Move constructor body to
9183         archive.cc.
9184         (Archive::no_export): New method.
9185         (Archive::no_export_): New field.
9186         * object.h (Object::Object): Initialize no_export_ to false.
9187         (Object::no_export, Object::set_no_export): New methods.
9188         (Object::no_export_): New field.
9189         * options.cc (General_options::parse_exclude_libs): New method.
9190         (General_options::check_excluded_libs) Same.
9191         * options.h (exclude_libs): New option.
9192         (General_options::check_excluded_libs): New method declaration.
9193         (General_options::excluded_libs_): New field.
9194         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9195         default or protected visibility if an object has no-export flag set.
9196         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9197         (check_SCRIPTS): Add exclude_libs_test.sh.
9198         (check_DATA): Add exclude_libs_test.syms.
9199         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9200         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9201         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9202         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9203         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9204         libexclude_libs_test_2.a): New rules.
9205         * testsuite/Makefile.in: Regenerate.
9206         * testsuite/exclude_libs_test.c: New file.
9207         * testsuite/exclude_libs_test.sh: Ditto.
9208         * testsuite/exclude_libs_test_1.c: Ditto.
9209         * testsuite/exclude_libs_test_2.c: Ditto.
9210
9211 2009-05-15  Ian Lance Taylor  <iant@google.com>
9212
9213         * configure.ac: Check for declarations for cases where libiberty.h
9214         checks HAVE_DECL_xxx.
9215         * configure, config.in: Rebuild.
9216
9217 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9218
9219         * gold.h (Incremental_argument_list): Remove (invalid) forward
9220         declaration.
9221         * incremental.cc (Incremental_inputs::report_achive): New method.
9222         (Incremental_inputs::report_object): New method.
9223         (Incremental_inputs::report_script): New method.
9224         (Incremental_inputs::finalize_inputs): New method.
9225         (Incremental_inputs::finalize): Call finalize_inputs().
9226         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9227         Create inputs entries.
9228         * incremental.h (Incremental_input_type): New enum.
9229         (Incremental_inputs::Incremental_input): Initialize new fields.
9230         (Incremental_inputs::report_inputs): New method.
9231         (Incremental_inputs::report_achive): New method.
9232         (Incremental_inputs::report_object): New method.
9233         (Incremental_inputs::report_script): New method.
9234         (Incremental_inputs::finalize_inputs): New method.
9235         (Incremental_inputs::Input_info): New struct.
9236         (Incremental_inputs::Input_info_map): New typedef.
9237         (Incremental_inputs::lock_): New field.
9238         (Incremental_inputs::Inputs_): New field.
9239         (Incremental_inputs::Inputs_map): New field.
9240         * main.cc (main): Call Incremental_input::report_inputs.
9241         * options.h (Input_argument_list): Typedef moved from
9242         Input_arguments.
9243         (Input_file_group::Files): Remove, use ::Input_argument_list.
9244         (Input_file_group::Input_argument_list): Remove, use
9245         ::Input_argument_list.
9246         * plugin.cc (Plugin_manager::add_input_file): Add error in
9247         incremental build.
9248         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9249         functions.
9250         * script.cc (read_input_script): Call
9251         Incremental_input::report_script.
9252         * script.h (Script_info): New class.
9253
9254 2009-04-27  Ian Lance Taylor  <iant@google.com>
9255
9256         * x86_64.cc (do_adjust_output_section): Set entsize to
9257         plt_entry_size.
9258
9259 2009-04-23  Elliott Hughes  <enh@google.com>
9260
9261         * output.cc (Output_file::close): After short writes, continue
9262         writing from the correct offset in the buffer being written.
9263
9264 2009-04-23  Chris Demetriou  <cgd@google.com>
9265
9266         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9267         * configure: Regenerate.
9268         * config.in: Regenerate.
9269         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9270         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9271
9272 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9273
9274         * incremental.cc (Incremental_inputs_header_data): Renamed from
9275         Incremental_input_header_data.
9276         (Incremental_inputs_header_data::data_size): New field.
9277         (Incremental_inputs_header_data::put_input_file_count): Renamed
9278         from input_file_count.
9279         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9280         from command_line_offset.
9281         (Incremental_inputs_header_data::put_reserved): Renamed from
9282         put_reserved.
9283         (Incremental_inputs_entry_data): Renamed from
9284         Incremental_input_entry_data.
9285         (Incremental_inputs_entry_data::data_size): New field.
9286         (Incremental_inputs::report_command_line): New method.
9287         (Incremental_inputs::finalize): New method.
9288         (Incremental_inputs::create_incremental_inputs_data): New method.
9289         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9290         * incremental.h: New file.
9291         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9292        (Layout::finalize): Create incremental inputs section in
9293         incremental builds.
9294        (Layout::create_incremental_info_sections): New method.
9295         * layout.h (Layout::incremental_inputs): New method.
9296        (Layout::create_incremental_info_sections): New method.
9297        (Layout::incremental_inputs_): New field.
9298         * main.cc (main): Notify Incremental_input of the command line.
9299
9300 2009-04-01  Ian Lance Taylor  <iant@google.com>
9301             Mikolaj Zalewski  <mikolajz@google.com>
9302
9303         * gold.h (reserve_unordered_map): Define, three versions, one for
9304         each version of Unordered_map.
9305         * layout.cc (Layout::Layout): Remove options parameter.  Add
9306         number_of_input_files parameter.  Don't initialize options_.
9307         Initialize number_of_input_files_ and resized_signatures_.  Move
9308         sections_are_attached_.
9309         (Layout::layout_group): Reserve space for group_signatures_.
9310         (Layout::find_or_add_kept_section): Change name parameter to be a
9311         reference.  Resize signatures_ map when it gets large enough.
9312         (Layout::layout_eh_frame): Use parameters->options() instead of
9313         this->options_.
9314         (Layout::make_output_section): Likewise.
9315         (Layout::attach_allocated_section_to_segment): Likewise.
9316         (Layout::finalize, Layout::create_executable_stack): Likewise.
9317         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9318         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9319         * layout.h (class Layout): Update declarations.  Remove options_
9320         field.  Add number_of_input_files_ and resized_signatures_
9321         fields.  Move sections_are_attached_ field.
9322         * main.cc (main): Pass number of input files to Layout
9323         constructor.  Don't pass options.
9324
9325 2009-03-30  Ian Lance Taylor  <iant@google.com>
9326
9327         * ffsll.c (ffsll): Correct implementation.
9328
9329 2009-03-27  Ian Lance Taylor  <iant@google.com>
9330
9331         * ffsll.c: New file.
9332         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9333         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9334         * ftruncate.c (ftruncate): Declare before definition.
9335         * mremap.c (mremap): Likewise.
9336         * pread.c (pread): Likewise.
9337         * configure, Makefile.in, config.in: Rebuild.
9338
9339         * mremap.c: New file.
9340         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9341         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9342         (mremap): Declare if HAVE_MREMAP is not defined.
9343         * configure, Makefile.in, config.in: Rebuild.
9344
9345 2009-03-27  Cary Coutant  <ccoutant@google.com>
9346
9347         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9348         position independent.
9349         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9350         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9351
9352 2009-03-24  Cary Coutant  <ccoutant@google.com>
9353
9354         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9355         an executable.
9356         (needs_dynamic_reloc): Likewise.
9357
9358 2009-03-24  Ian Lance Taylor  <iant@google.com>
9359
9360         * yyscript.y (file_cmd): Recognize EXTERN.
9361         (extern_name_list, extern_name_list_body): New nonterminals.
9362         * script.cc (script_add_extern): Define.
9363         * script-c.h (script_add_extern): Declare.
9364
9365 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9366
9367         * object.cc (is_elf_object): Define.
9368         * object.h (is_elf_object): Declare.
9369         * archive.cc (Archive::get_elf_object_for_member): Call
9370         is_elf_object.
9371         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9372
9373 2009-03-24  Elliott Hughes  <enh@google.com>
9374
9375         * output.cc (Output_file::map_anonymous): Define.
9376         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9377         try an anonymous one.  Report the size if the mmap fails.
9378         * output.h (class Output_file): Declare map_anonymous.
9379
9380 2009-03-24  Ian Lance Taylor  <iant@google.com>
9381
9382         * target-select.cc (instantiate_target): Don't acquire the lock if
9383         the instantiated_target_ field has already been set.
9384
9385 2009-03-23  Ian Lance Taylor  <iant@google.com>
9386
9387         * gold-threads.h (class Initialize_lock): Define.
9388         * gold-threads.cc (class Initialize_lock_once): Define.
9389         (initialize_lock_control): New static variable.
9390         (initialize_lock_pointer): New static variable.
9391         (initialize_lock_once): New static function.
9392         (Initialize_lock::Initialize_lock): Define.
9393         (Initialize_lock::initialize): Define.
9394         * target-select.h: Include "gold-threads.h".
9395         (class Target_selector): Add lock_ and initialize_lock_ fields.
9396         Don't define instantiate_target, just declare it.
9397         * target-select.cc (Target_selector::Target_selector): Initialize
9398         new fields.
9399         (Target_selector::instantiate_target): Define.
9400         * descriptors.h: Include "gold-threads.h".
9401         (class Descriptors): Add initialize_lock_ field.
9402         * descriptors.cc (Descriptors::Descriptors): Initialize new
9403         field.
9404         (Descriptors::open): Use initialize_lock_ field
9405         * errors.h (class Errors): Add initialize_lock_ field.
9406         * errors.cc (Errors::Errors): Initialize new field.
9407         (Errors::initialize_lock): Use initialize_lock_ field.
9408         * powerpc.cc (class Target_selector_powerpc): Remove
9409         instantiated_target_ field.  In do_recognize call
9410         instantiate_target rather than do_instantiate_target.  In
9411         do_instantiate_target just allocate a new target.
9412         * sparc.cc (class Target_selector_sparc): Likewise.
9413
9414         * freebsd.h: New file.
9415         * i386.cc: Include "freebsd.h".
9416         (Target_i386): Derive from Target_freebsd rather than
9417         Sized_target.
9418         (Target_selector_i386): Derive from Target_selector_freebsd rather
9419         than Target_selector.
9420         * x86_64.cc: Include "freebsd.h".
9421         (Target_x86_64): Derive from Target_freebsd rather than
9422         Sized_target.
9423         (Target_selector_x86_64): Derive from Target_selector_freebsd
9424         rather than Target_selector.
9425         * target.h (class Target): Add adjust_elf_header and
9426         do_adjust_elf_header.
9427         * output.cc (Output_file_header:: do_sized_write): Call target
9428         adjust_elf_header routine.
9429         * configure.tgt: Set targ_osabi.
9430         * configure.ac: Define GOLD_DEFAULT_OSABI.
9431         * parameters.cc (Parameters::default_target): Pass
9432         GOLD_DEFAULT_OSABI to select_target.
9433         * target-select.h (class Target_selector): Make instantiate_target
9434         protected rather than private.
9435         * Makefile.am (HFILES): Add freebsd.h.
9436         * configure, Makefile.in, config.in: Rebuild.
9437
9438         * merge.cc (do_add_input_section): Correct pend value.  Change
9439         message about last entry not being null terminated from error to
9440         warning.
9441
9442 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9443
9444         * incremental.cc: New file.
9445         * Makefile.am (CCFILES): Add incremental.cc.
9446         * Makefile.in: Rebuild.
9447
9448 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9449
9450         * layout.cc (Layout::output_section_name): Preserve names
9451         of '.note.' sections.
9452
9453 2009-03-19  Ian Lance Taylor  <iant@google.com>
9454
9455         * descriptors.cc (Descriptors::open): Check that the options are
9456         valid before using them.
9457
9458 2009-03-18  Ian Lance Taylor  <iant@google.com>
9459
9460         * script-sections.h: Include <list>.
9461         (class Script_sections): Change Sections_elements from std::vector
9462         to std::list.  Typedef public Elements_iterator.  Add
9463         orphan_section_placement_, data_segment_align_start_, and
9464         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9465         field.
9466         * script-sections.cc (class Orphan_section_placement): New class.
9467         (class Sections_element): Add virtual functions is_relro and
9468         orphan_section_init.  Remove virtual function place_orphan_here.
9469         (class Output_section_definition): Add is_relro and
9470         orphan_section_init.  Remove place_orphan_here.
9471         (class Orphan_output_section): Likewise.
9472         (Script_sections::Script_sections): Update for field changes.
9473         (Script_sections::data_segment_align): Set saw_data_segment_align_
9474         and data_segment_align_start_, not data_segment_align_index.
9475         (Script_sections::data_segment_relro_end): Check
9476         saw_data_segment_align_.  Use data_segment_align_start_ rather
9477         than data_segment_align_index_.
9478         (Script_sections::place_orphan): Rewrite to use
9479         Orphan_section_placement.
9480
9481 2009-03-17  Ian Lance Taylor  <iant@google.com>
9482
9483         * archive.cc (Archive::add_symbols): Check for a version attached
9484         to the symbol name in the archive map.
9485         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9486         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9487         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9488         (ver_test_11.a): New target.
9489         * testsuite/Makefile.in: Rebuild.
9490
9491         * configure.ac: Check for chsize and posix_fallocate.  Replace
9492         ftruncate.
9493         * ftruncate.c: New file, from gnulib.
9494         * output.cc (posix_fallocate): Define dummy version if not
9495         HAVE_POSIX_FALLOCATE.
9496         (Output_file::map): Call posix_fallocate rather than lseek and
9497         write.
9498         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9499         * configure, Makefile.in, config.in: Rebuild.
9500
9501 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9502
9503         * layout.h (Layout::create_note): Add section_name parameter.
9504         * layout.cc (Layout::create_note): Likewise.
9505         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9506
9507 2009-03-17  Ian Lance Taylor  <iant@google.com>
9508
9509         * descriptors.cc: Include "options.h".
9510         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9511         (Descriptors::open): Always use O_CLOEXEC when opening a new
9512         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9513         then set FD_CLOEXEC.
9514
9515         * sparc.cc (class Target_sparc): Add has_got_section.
9516         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9517         make sure we have a GOT section.
9518
9519         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9520         (Target_sparc::Scan::local): Likewise.
9521         (Target_sparc::Scan::global): Likewise.
9522         (Target_sparc::Relocate::relocate): Likewise.
9523         (Target_sparc::Relocate::relocate_tls): Likewise.
9524
9525         * symtab.cc (Symbol_table::define_default_version): New function,
9526         broken out of add_from_object.
9527         (Symbol_table::add_from_object): Call define_default_version.
9528         (Symbol_table::define_special_symbol): Add resolve_oldsym
9529         parameter.  Change all callers.  If the version for a symbol comes
9530         from a version script, resolve it with the symbol with the same
9531         name with no version.  Also add the symbol without a version if
9532         appropriate.
9533         (do_define_in_output_data): If resolving with oldsym, don't delete
9534         sym.
9535         (do_define_in_output_segment): Likewise.
9536         (do_define_as_constant): Likewise.
9537         * symtab.h (class Symbol_table): Update declarations.
9538
9539 2009-03-13  Ian Lance Taylor  <iant@google.com>
9540
9541         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9542         (Read_symbols::requeue): New function.
9543         (Read_symbols::do_read_symbols): If make_elf_object fails because
9544         the target type is not configured, and the file was searched for,
9545         issue a warning and retry with the next directory.
9546         (Add_symbols::run): If the file has an incompatible format, and
9547         it was searched for, requeue the Read_symbols task.  On error,
9548         release the object.
9549         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9550         dirindex parameter to constructor.  Change all callers.  Declare
9551         incompatible_warning and requeue.
9552         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9553         input_argument_ and input_group_ fields.  Add them to
9554         constructor.  Change all callers.
9555         (class Read_script): Add dirindex_ field.  Add it to constructor.
9556         Change all callers.
9557         * archive.cc (Archive::setup): Remove input_objects parameter.
9558         Change all callers.
9559         (Archive::get_file_and_offset): Likewise.
9560         (Archive::read_all_symbols): Likewise.
9561         (Archive::read_symbols): Likewise.
9562         (Archive::get_elf_object_for_member): Remove input_objects
9563         parameter.  Add punconfigured parameter.  Change all callers.
9564         (Archive::add_symbols): Change return type to bool.  Check return
9565         value of include_member.
9566         (Archive::include_all_members): Likewise.
9567         (Archive::include_member): Change return type to bool.  Return
9568         false if first included object has incompatible target.  Set
9569         included_member_ field.
9570         (Add_archive_symbols::run): If add_symbols returns false, requeue
9571         Read_symbols task.
9572         * archive.h (class Archive): Add included_member_ field.
9573         Initialize it in constructor.  Add input_file and searched_for
9574         methods.  Update declarations.
9575         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9576         input_argument_ fields.  Add them to constructor.  Change all
9577         callers.
9578         * script.cc: Include "target-select.h".
9579         (class Parser_closure): Add skip_on_incompatible_target_ and
9580         found_incompatible_target_ fields.  Add
9581         skip_on_incompatible_target parameter to constructor.  Change all
9582         callers.  Add methods skip_on_incompatible_target,
9583         clear_skip_on_incompatible_target, found_incompatible_target, and
9584         set_found_incompatible_target.
9585         (read_input_script): Add dirindex parameter.  Change all callers.
9586         If parser finds an incompatible target, requeue Read_symbols
9587         task.
9588         (script_set_symbol): Clear skip_on_incompatible_target in
9589         closure.
9590         (script_add_assertion, script_parse_option): Likewise.
9591         (script_start_sections, script_add_phdr): Likewise.
9592         (script_check_output_format): New function.
9593         * script.h (read_input_script): Update declaration.
9594         * script-c.h (script_check_output_format): Declare.
9595         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9596         (ignore_cmd): Remove OUTPUT_FORMAT.
9597         * fileread.cc (Input_file::Input_file): Add explicit this.
9598         (Input_file::will_search_for): New function.
9599         (Input_file::open): Add pindex parameter.  Change all callers.
9600         * fileread.h (class Input_file): Add input_file_argument method.
9601         Declare will_search_for.  Update declarations.
9602         * object.cc (make_elf_object): Add punconfigured parameter.
9603         Change all callers.
9604         * object.h (class Object): Make input_file public.  Add
9605         searched_for method.
9606         (make_elf_object): Update declaration.
9607         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9608         restart search.
9609         * dirsearch.h (class Dirsearch): Update declaration.
9610         * options.h (class General_options): Add --warn-search-mismatch.
9611         * parameters.cc (Parameters::is_compatible_target): New function.
9612         * parameters.h (class Parameters): Declare is_compatible_target.
9613         * workqueue.cc (Workqueue::add_blocker): New function.
9614         * workqueue.h (class Workqueue): Declare add_blocker.
9615
9616         * fileread.cc (Input_file::open): Remove options parameter.
9617         Change all callers.
9618         (Input_file::open_binary): Likewise.
9619         * script.cc (read_input_script): Likewise.
9620         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9621         options parameter from constructor.  Change all callers.
9622         (class Read_script): Likewise.
9623         * fileread.h (class Input_file): Update declarations.
9624         * script.h (read_input_script): Update declaration.
9625
9626 2009-03-10  Nick Clifton  <nickc@redhat.com>
9627
9628         * po/es.po: New Spanish translation.
9629
9630 2009-03-06  Cary Coutant  <ccoutant@google.com>
9631
9632         * options.cc (parse_short_option): Keep dash_z from registering itself.
9633
9634 2009-03-03  Ian Lance Taylor  <iant@google.com>
9635
9636         PR 9918
9637         * target-reloc.h (relocate_section): Pass output_section to
9638         relocate.
9639         * i386.cc (Target_i386::should_apply_static_reloc): Add
9640         output_section parameter.  Change all callers.
9641         (Target_i386::Relocate::relocate): Add output_section parameter.
9642         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9643         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9644         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9645         * testsuite/two_file_shared.sh: New script.
9646         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9647         (check_DATA): Add two_file_shared.dbg.
9648         (two_file_shared.dbg): New target.
9649         * testsuite/Makefile.in: Rebuild.
9650
9651 2009-03-01  Ian Lance Taylor  <iant@google.com>
9652
9653         * configure.ac: Check for byteswap.h.
9654         * configure: Rebuild.
9655         * config.in: Rebuild.
9656
9657 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9658
9659         * layout.cc (Layout::find_or_add_kept_section): New function.
9660         (Layout::add_comdat): Removed.
9661         * layout.h (struct Kept_section): Move out of class Layout.
9662         Remove trailing underscores from field names.  Add group_sections
9663         field.  Rename group_ field to is_group.  Change all uses.
9664         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9665         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9666         comdat_groups_ field.
9667         (Sized_relobj::include_section_group): Use
9668         find_or_add_kept_section and Kept_section::group_sections.
9669         (Sized_relobj::include_linkonce_section): Likewise.
9670         * object.cc (class Sized_relobj): Don't define Comdat_group or
9671         Comdat_group_table.  Remove find_comdat_group and
9672         add_comdat_group.  Remove comdat_groups_ field.
9673         * plugin.cc (include_comdat_group): Use
9674         Layout::find_or_add_kept_section.
9675
9676 2009-02-28  Ian Lance Taylor  <iant@google.com>
9677
9678         * README: --gc-sections and map files are now supported.  Document
9679         some build requirements.
9680
9681         PR 6992
9682         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9683         relocatable link set the value of the section symbol to zero.
9684         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9685         relocatable link don't include the section address in the local
9686         symbol value.
9687
9688 2009-02-27  Ian Lance Taylor  <iant@google.com>
9689
9690         PR 6811
9691         * options.h (class Search_directory): Add is_system_directory.
9692         (class General_options): Declare is_in_system_directory.
9693         * options.cc (get_relative_sysroot): Make static.
9694         (get_default_sysroot): Make static.
9695         (General_optoins::is_in_system_directory): New function.
9696         * fileread.cc (Input_file::is_in_system_directory): New function.
9697         * fileread.h (class Input_file): Declare is_in_system_directory.
9698         * object.h (class Object): Add is_in_system_directory.
9699         (class Input_objects): Remove system_library_directory_ field.
9700         * object.cc (Input_objects::add_object): Don't set
9701         system_library_directory_.
9702         (input_objects::found_in_system_library_directory): Remove.
9703         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9704         parameter.  Change all callers.
9705         (Symbol_table::sized_write_globals): Likewise.
9706         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9707         Call Object::is_in_system_directory.
9708         * symtab.h (class Symbol_table): Update declarations.
9709
9710         PR 5990
9711         * descriptors.h (Open_descriptor): Add is_on_stack field.
9712         * descriptors.cc (Descriptors::open): If the descriptor is on the
9713         top of the stack, remove it.  Initialize is_on_stack field.
9714         (Descriptors::release): Only add pod to stack if it is not on the
9715         stack already.
9716         (Descriptors::close_some_descriptor): Clear stack_next and
9717         is_on_stack fields.
9718
9719         PR 7091
9720         * output.cc (Output_section::find_starting_output_address): Rename
9721         from starting_output_address; add PADDR parameter; change return
9722         type.
9723         * output.h (class Output_section): Declare
9724         find_starting_output_address instead of starting_output_address.
9725         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9726         section symbol for which we can't find a merge section.
9727
9728         PR 9836
9729         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9730         hidden or internal, force the symbol to be local.
9731         * resolve.cc (Symbol::override_visibility): Define.
9732         (Symbol::override_base): Use override_visibility.
9733         (Symbol_table::resolve): Likewise.
9734         (Symbol::override_base_with_special): Likewise.
9735         (Symbol_table::override_with_special): If the visibility is hidden
9736         or internal, force the symbol to be local.
9737         * symtab.h (class Symbol): Add set_visibility and
9738         override_visibility.
9739         * testsuite/ver_test_1.sh: New file.
9740         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9741         (check_DATA): Add ver_test_1.syms.
9742         (ver_test_1.syms): New target.
9743         * testsuite/Makefile.in: Rebuild.
9744
9745 2009-02-25  Cary Coutant  <ccoutant@google.com>
9746
9747         * layout.cc (Layout::choose_output_section): Don't rename sections
9748         when using a linker script that has a SECTIONS clause.
9749         * Makefile.in: Regenerate.
9750
9751         * testsuite/Makefile.am (script_test_5.sh): New test case.
9752         * testsuite/Makefile.in: Regenerate.
9753         * testsuite/script_test_5.cc: New file.
9754         * testsuite/script_test_5.sh: New file.
9755         * testsuite/script_test_5.t: New file.
9756
9757 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9758
9759         * archive.cc (Archive::include_member): Update calls to add_symbols.
9760         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9761         the Layout argument.
9762         * dynobj.h (do_add_symbols): Add the Layout argument.
9763         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9764         Layout argument.
9765         * object.h (Object::add_symbols): Add the Layout argument.
9766         (Object::do_add_symbols): Add the Layout argument.
9767         (Sized_relobj::do_add_symbols): Add the Layout argument.
9768         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9769         Unify the two versions.
9770         (Add_plugin_symbols): Remove.
9771         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9772         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9773         (Add_plugin_symbols): Remove.
9774         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9775         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9776         (Add_symbols::run): Make it work with Pulginobj.
9777
9778 2009-02-06  Ian Lance Taylor  <iant@google.com>
9779
9780         * object.cc (Sized_relobj::do_layout): Make info message start
9781         with lower case letter.
9782
9783 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9784
9785         * binary.cc: Fix file comment.
9786
9787         * options.h (enum Incremental_disposition): Define.
9788         (class General_options): Add new options: --incremental,
9789         --incremental_changed, --incremental_unchanged,
9790         --incremental_unknown.  Add incremental_disposition_ and
9791         implicit_incremental_ fields.
9792         (General_options::incremental_disposition): New function.
9793         (class Position_dependent_options): Add incremental_disposition
9794         option.
9795         (Position_dependent_options::copy_from_options): Set incremental
9796         dispositions.
9797         * options.cc (General_options::parse_incremental_changed): New
9798         function.
9799         (General_options::parse_incremental_unchanged): New function.
9800         (General_options::parse_incremental_unknown): New function.
9801         (General_options::General_options): Initialize new fields
9802         incremental_disposition_ and implicit_incremental_.
9803         (General_options::finalize): Check for uasge of --incremental-*
9804         without --incremental.
9805
9806 2009-02-06  Chris Demetriou  <cgd@google.com>
9807
9808         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9809         pointer and to report location as the file name associated with
9810         the symbol.
9811         (gold_undefined_symbol_at_location): New function to replace the
9812         old gold_undefined_symbol functionality.
9813         * target-reloc.h (relocate_section): Update to use
9814         gold_undefined_symbol_at_location.
9815         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9816         Call gold_undefined_symbol function rather than gold_error.
9817         * errors.h (Errors::undefined_symbol): Take location as a
9818         string, rather than calculating it from a relocation.
9819         * errors.cc (Errors::fatal): Print "fatal error:" before the
9820         formatted message.
9821         (Errors::error, Errors::error_at_location): Print "error: "
9822         before the formatted message.
9823         (Errors::undefined_symbol): Take location as a string, rather
9824         than calculating it from a relocation.
9825         (gold_undefined_symbol_at_location): New function akin to
9826         old gold_undefined_symbol, calculates location from relocation.
9827         (gold_undefined_symbol): Change to take only a Symbol pointer
9828         and to report location as the file name associated with the symbol.
9829         * testsuite/debug_msg.sh: Update for changed error messages.
9830         * testsuite/undef_symbol.sh: Likewise.
9831
9832 2009-02-04  Duncan Sands  <baldrick@free.fr>
9833
9834         PR 9812
9835         * reduced_debug_output.h
9836         (Output_reduced_debug_abbrev_section::failed): Use format for
9837         gold_warning.
9838         (Output_reduced_debug_info_section::faild): Likewise.
9839
9840 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9841
9842         * script.cc (Lazy_demangler): New class.
9843         (Version_script_info::get_symbol_version_helper): Demangle a
9844         symbol only once.
9845
9846 2009-01-29  Cary Coutant  <ccoutant@google.com>
9847
9848         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9849         to __tls_get_addr.
9850         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9851
9852 2009-01-28  Ian Lance Taylor  <iant@google.com>
9853
9854         * version.cc (version_string): Bump to 1.9.
9855
9856         * gold.h: Include <cstring> and <stdint.h>.
9857         * version.cc: Include <cstdio>.
9858         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9859         warning.
9860         * reduced_debug_output.cc (insert_into_vector): Rename from
9861         Insert_into_vector; change all callers.  Use Swap_unaligned to
9862         avoid aliasing issue; remove union since it is unnecessary.
9863
9864 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9865
9866         * Makefile.am (CCFILES): Add gc.cc.
9867         (HFILES): Add gc.h.
9868         * Makefile.in: Regenerate.
9869         * gold.cc (Gc_runner): New class.
9870         (queue_initial_tasks): Call garbage collection related tasks
9871         when corresponding options are invoked.
9872         (queue_middle_gc_tasks): New function.
9873         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9874         processed early before laying out sections during garbage collection.
9875         * gold.h (queue_middle_gc_tasks): New function.
9876         (is_prefix_of): Move from "layout.cc".
9877         * i386.cc (Target_i386::gc_process_relocs): New function.
9878         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9879         * main.cc (main): Create object of class "Garbage_collection".
9880         * object.cc (Relobj::copy_symbols_data): New function.
9881         (Relobj::is_section_name_included): New function.
9882         (Sized_relobj::do_layout): Allow this function to be called twice
9883         during garbage collection and defer layout of section during the
9884         first call.
9885         * object.h (Relobj::get_symbols_data): New function.
9886         (Relobj::is_section_name_included): New function.
9887         (Relobj::copy_symbols_data): New function.
9888         (Relobj::set_symbols_data): New function.
9889         (Relobj::get_relocs_data): New function.
9890         (Relobj::set_relocs_data): New function.
9891         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9892         (Relobj::gc_process_relocs): New function.
9893         (Relobj::do_gc_process_relocs): New pure virtual function.
9894         (Relobj::sd_): New data member.
9895         (Sized_relobj::is_output_section_offset_invalid): New function.
9896         (Sized_relobj::do_gc_process_relocs): New function.
9897         * options.h (General_options::gc_sections): Modify to not be a no-op.
9898         (General_options::print_gc_sections): New option.
9899         * plugin.cc (Plugin_finish::run): Remove function call to
9900         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9901         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9902         * reloc.cc (Read_relocs::run): Add task to process relocs and
9903         determine unreferenced sections when doing garbage collection.
9904         (Gc_process_relocs): New class.
9905         (Sized_relobj::do_gc_process_relocs): New function.
9906         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9907         sections that are garbage collected.
9908         * reloc.h (Gc_process_relocs): New class.
9909         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9910         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9911         symbols whose corresponding sections are garbage collected.
9912         (Symbol_table::Symbol_table): Add new parameter for the garbage
9913         collection object.
9914         (Symbol_table::gc_mark_undef_symbols): New function.
9915         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9916         (Symbol_table::gc_mark_dyn_syms): New function.
9917         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9918         as garbage.
9919         (Symbol_table::add_from_object): Likewise.
9920         (Symbol_table::add_from_relobj): When building shared objects, do not
9921         treat externally visible symbols as garbage.
9922         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9923         table information for static and relocatable links.
9924         * symtab.h (Symbol_table::set_gc): New function.
9925         (Symbol_table::gc): New function.
9926         (Symbol_table::gc_mark_undef_symbols): New function.
9927         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9928         (Symbol_table::gc_mark_dyn_syms): New function.
9929         (Symbol_table::gc_): New data member.
9930         * target.h (Sized_target::gc_process_relocs): New pure virtual
9931         function.
9932         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9933         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9934
9935 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9936
9937         * options.h (General_options::gc_sections): Define as a no-op for now.
9938         (General_options::no_keep_memory): Ditto.
9939         (General_options::Bshareable): Define.
9940         * options.cc (General_options::finalize): Honor -Bshareable.
9941
9942 2009-01-20  Andreas Schwab  <schwab@suse.de>
9943
9944         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9945         read the value in the contents, since we don't use it.  Use the
9946         template endianness when writing.
9947         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9948
9949 2009-01-19  Andreas Schwab  <schwab@suse.de>
9950
9951         * configure.tgt (powerpc64-*): Fix targ_obj.
9952
9953 2009-01-15  Ian Lance Taylor  <iant@google.com>
9954
9955         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9956         local symbols when stripping all symbols.
9957
9958 2009-01-14  Cary Coutant  <ccoutant@google.com>
9959
9960         * output.cc (Output_reloc): Add explicit instantiations.
9961
9962 2009-01-14  Cary Coutant  <ccoutant@google.com>
9963
9964         * archive.cc (Archive::get_elf_object_for_member): Remove call
9965         to File_read::claim_for_plugin.
9966         * descriptors.cc (Descriptors::open): Remove reference to
9967         is_claimed.
9968         (Descriptors::claim_for_plugin): Remove.
9969         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9970         (Descriptors::is_claimed): Remove.
9971         (claim_descriptor_for_plugin): Remove.
9972         * fileread.cc (File_read::claim_for_plugin): Remove.
9973         * fileread.h (File_read::claim_for_plugin): Remove.
9974         (File_read::descriptor): Reopen descriptor if necessary.
9975         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9976         (Plugin_manager::all_symbols_read): Add task parameter. Change
9977         all callers.
9978         (Plugin_manager::get_input_file): New function.
9979         (Plugin_manager::release_input_file): New function.
9980         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9981         corresponding data member.
9982         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9983         and pass to base constructor. Change all callers.
9984         (get_input_file, release_input_file): New functions.
9985         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9986         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9987         (Plugin_manager::all_symbols_read): Add task parameter.
9988         (Plugin_manager::get_input_file): New function.
9989         (Plugin_manager::release_input_file): New function.
9990         (Plugin_manager::task_): New data member.
9991         (Pluginobj::Pluginobj): Add filesize parameter.
9992         (Pluginobj::filename): New function.
9993         (Pluginobj::descriptor): New function.
9994         (Pluginobj::filesize): New function.
9995         (Pluginobj::filesize_): New data member.
9996         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9997         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9998         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9999
10000         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10001         with archive libraries.
10002         * testsuite/Makefile.in: Regenerate.
10003         * testsuite/plugin_test.c (struct sym_info): New type.
10004         (get_input_file, release_input_file): New static variables.
10005         (onload): Capture new transfer vector entries.
10006         (claim_file_hook): Stop reading at end of file according to filesize.
10007         Factor out parsing of readelf output into separate function.
10008         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10009         APIs and get the source file name from the symbol table.  Convert
10010         source file name to corresponding object file name.  Print info
10011         message when adding new input files.
10012         (parse_readelf_line): New function.
10013         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10014         * testsuite/plugin_test_2.sh: Likewise.
10015         * testsuite/plugin_test_3.sh: Likewise.
10016         * testsuite/plugin_test_4.sh: New test case.
10017
10018 2009-01-07  Ian Lance Taylor  <iant@google.com>
10019
10020         * version.cc (version_string): Bump to 1.8.
10021
10022 2008-12-23  Cary Coutant  <ccoutant@google.com>
10023
10024         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10025         * plugin.cc (Plugin_manager::finish): Rename as
10026         layout_deferred_objects.  Move cleanup to separate function.
10027         (Plugin_manager::cleanup): New function.
10028         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10029         separately.
10030         * plugin.h (Plugin_manager::finish): Rename as
10031         layout_deferred_objects.
10032         (Plugin_manager::cleanup): New function.
10033         (Plugin_manager::cleanup_done): New field.
10034
10035 2008-12-23  Cary Coutant  <ccoutant@google.com>
10036
10037         * plugin.cc (is_visible_from_outside): New function.
10038         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10039         so we don't return "IR only" status for exported symbols or -r links.
10040
10041         * testsuite/Makefile.am (plugin_test_3): New test case.
10042         * testsuite/Makefile.in: Regenerate.
10043         * testsuite/plugin_test_3.sh: New file.
10044
10045 2008-12-22  Cary Coutant  <ccoutant@google.com>
10046
10047         * object.cc (Sized_relobj::layout_section): New function.
10048         (Sized_relobj::do_layout): Defer layout of input sections until after
10049         plugin has provided replacement files.
10050         (Sized_relobj::do_layout_deferred_sections): New function.
10051         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10052         (Relobj::layout_deferred_sections): New function.
10053         (Relobj::do_layout_deferred_sections): New function.
10054         (Sized_relobj::do_layout_deferred_sections): New function.
10055         (Sized_relobj::layout_section): New function.
10056         (Sized_relobj::Deferred_layout): New structure.
10057         (Sized_relobj::deferred_layout_): New field.
10058         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10059         Change all callers.  Layout deferred sections.
10060         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10061         references.
10062         (Plugin_hook::run): Move code from do_plugin_hook inline.
10063         (Plugin_hook::do_plugin_hook): Remove.
10064         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10065         (Plugin_manager::finish): Renamed, was cleanup.
10066         (Plugin_manager::should_defer_layout): New function.
10067         (Plugin_manager::add_deferred_layout_object): New function.
10068         (Plugin_manager::Deferred_layout_list): New type.
10069         (Plugin_manager::deferred_layout_objects_): New field.
10070         (Plugin_hook::do_plugin_hook): Remove.
10071
10072 2008-12-17  Ian Lance Taylor  <iant@google.com>
10073
10074         * options.h (class General_options): Add --no case for
10075         --export-dynamic.
10076
10077 2008-12-16  Cary Coutant  <ccoutant@google.com>
10078
10079         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10080         vector.
10081         (Plugin_manager::claim_file): Create plugin object even if
10082         plugin did not call the add_symbols callback.
10083         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10084         asking for more symbols than were added.
10085         * testsuite/Makefile.am (plugin_test_1): Add test case with
10086         no global symbols.
10087         (empty.syms): New target.
10088         * testsuite/Makefile.in: Regenerate.
10089         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10090         message. Don't call add_symbols if no globals.
10091         (all_symbols_read_hook): Don't provide replacement for empty
10092         claimed file.
10093
10094 2008-12-12  Ian Lance Taylor  <iant@google.com>
10095
10096         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10097         r_type == 0 for a local symbol with r_sym == 0.
10098         (scan_relocatable_relocs): Pass r_sym to
10099         local_non_section_strategy.
10100         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10101         r_sym parameter.
10102
10103         * configure.ac: Update test for TLS descriptors: they are
10104         supported as of glibc 2.9.
10105         * configure: Rebuild.
10106
10107 2008-12-11  Ian Lance Taylor  <iant@google.com>
10108
10109         PR 7091
10110         * target-reloc.h (Default_scan_relocatable_relocs): For each
10111         function, map r_type == 0 to RELOC_DISCARD.
10112
10113 2008-12-10  Cary Coutant  <ccoutant@google.com>
10114
10115         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10116         object to override a kept COMDAT group from a plugin object.
10117
10118 2008-12-09  Ian Lance Taylor  <iant@google.com>
10119
10120         PR 7088
10121         * yyscript.y (file_cmd): Handle INPUT.
10122
10123         * testsuite/initpri1.c: Change all declarations to be full
10124         prototypes by adding void, to avoid compiler warnings.
10125
10126 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10127
10128         * options.cc (General_options::parse_plugin_opt): New.
10129         (General_options::add_plugin): The argument now is just the filename.
10130         (General_options::add_plugin_option): New.
10131         * options.h (plugin_opt): New.
10132         (add_plugin): Change argument name.
10133         (add_plugin_option): New.
10134         * plugin.cc (Plugin::load): Don't parse the plugin option.
10135         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10136         (Plugin::add_option): New.
10137         (Plugin::args_): Change type.
10138         (Plugin::filename_): New.
10139         (Plugin_manager::add_plugin_option): New.
10140         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10141         * testsuite/Makefile.in: Regenerate.
10142
10143 2008-12-05  Cary Coutant  <ccoutant@google.com>
10144
10145         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10146         Handle --strip-lto-sections option.
10147         * options.h (strip_lto_sections): New option.
10148
10149 2008-12-01  Cary Coutant  <ccoutant@google.com>
10150
10151         * plugin.cc (ld_plugin_message): Change format parameter to const.
10152         Fix mismatch between new[] and delete.
10153
10154 2008-11-14  Cary Coutant  <ccoutant@google.com>
10155
10156         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10157         instead of -1U.
10158
10159 2008-11-05  Craig Silverstein  <csilvers@google.com>
10160
10161         * options.cc (General_options::parse_dynamic_list): New function.
10162         * options.h (General_options): New flags dynamic_list,
10163         dynamic_list_data, dynamic_list_cpp_new, and
10164         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10165         (General_options::in_dynamic_list): New function.
10166         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10167         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10168         (Lex::can_continue_name): Likewise.
10169         (yylex): Likewise.
10170         (read_script_file): New parameter script_options.
10171         (read_dynamic_list): New function.
10172         (Script_options::define_dynamic_list): New function.
10173         (dynamic_list_keyword_parsecodes): New variable.
10174         (dynamic_list_keywords): New variable.
10175         * script.h (Script_options::define_dynamic_list): New function
10176         prototype.
10177         (read_dynamic_list): New function prototype.
10178         * symtab.cc (strprefix): New macro.
10179         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10180         dynamic_list_data, dynamic_list_cpp_new, and
10181         dynamic_list_cpp_typeinfo.
10182         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10183         (dynamic_list_expr): New rule.
10184         (dynamic_list_nodes): Likewise.
10185         (dynamic_list_node): Likewise.
10186         * testsuite/Makefile.am (dynamic_list): New test.
10187         * testsuite/Makefile.in: Regenerated.
10188         * testsuite/dynamic_list.t: New file.
10189         * testsuite/dynamic_list.sh: New file.
10190
10191 2008-11-05  Craig Silverstein  <csilvers@google.com>
10192
10193         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10194         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10195         (t11_last): Likewise.
10196         * testsuite/ver_test_6.c (main): Likewise.
10197
10198 2008-10-07  Cary Coutant  <ccoutant@google.com>
10199
10200         * options.c (General_options::finalize): Add check for -static and
10201         -shared.
10202         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10203         is not empty.
10204
10205 2008-10-02  Cary Coutant  <ccoutant@google.com>
10206
10207         * plugin.cc (make_sized_plugin_object): Fix conditional
10208         compilation to work when not all targets are enabled.
10209
10210 2008-09-29  Cary Coutant  <ccoutant@google.com>
10211
10212         * archive.cc (Archive::get_file_and_offset): Use filename instead
10213         of name to get library path.
10214         (Archive::include_member): Unlock external member of a thin archive.
10215
10216         * testsuite/Makefile.am (TEST_AR): New variable.
10217         (thin_archive_test_1): New test.
10218         (thin_archive_test_2): New test.
10219         * testsuite/Makefile.in: Regenerate.
10220         * testsuite/thin_archive_main.cc: New file.
10221         * testsuite/thin_archive_test_1.cc: New file.
10222         * testsuite/thin_archive_test_2.cc: New file.
10223         * testsuite/thin_archive_test_3.cc: New file.
10224         * testsuite/thin_archive_test_4.cc: New file.
10225
10226 2008-09-29  Cary Coutant  <ccoutant@google.com>
10227
10228         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10229         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10230         instead of -1U.
10231         (Sized_relobj::do_finalize_local_symbols): Likewise.
10232         (Sized_relobj::map_to_kept_section): Likewise.
10233         * object.h (Sized_relobj::invalid_address): New constant.
10234         (Sized_relobj::do_output_section_offset): Check for invalid_address
10235         and return -1ULL.
10236         * output.cc (Output_reloc::local_section_offset): Use constant
10237         invalid_address instead of -1U.
10238         (Output_reloc::get_address): Likewise.
10239         (Output_section::output_address): Change -1U to -1ULL.
10240         * output.h (Output_reloc::invalid_address): New constant.
10241         * reloc.cc (Sized_relobj::write_sections): Use constant
10242         invalid_address instead of -1U.
10243         (Sized_relobj::relocate_sections): Likewise.
10244         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10245         values for merge sections.
10246         * target-reloc.h (relocate_for_relocatable): Use constant
10247         invalid_address instead of -1U.
10248
10249 2008-09-19  Cary Coutant  <ccoutant@google.com>
10250
10251         Add plugin functionality for link-time optimization (LTO).
10252         * configure.ac (plugins): Add --enable-plugins option.
10253         * configure: Regenerate.
10254         * config.in: Regenerate.
10255         * Makefile.am (LIBDL): New variable.
10256         (CCFILES): Add plugin.cc.
10257         (HFILES): Add plugin.h.
10258         (ldadd_var): Add LIBDL.
10259         * Makefile.in: Regenerate.
10260
10261         * archive.cc: Include "plugin.h".
10262         (Archive::setup): Don't preread archive symbols when using a plugin.
10263         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10264         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10265         files.
10266         (Archive::include_member): Add symbols from plugin objects.
10267         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10268         * descriptors.cc (Descriptors::open): Check for file descriptors
10269         abandoned by plugins.
10270         (Descriptors::claim_for_plugin): New function.
10271         * descriptors.h (Descriptors::claim_for_plugin): New function.
10272         (Open_descriptor::is_claimed): New field.
10273         (claim_descriptor_for_plugin): New function.
10274         * fileread.cc (File_read::claim_for_plugin): New function.
10275         * fileread.h (File_read::claim_for_plugin): New function.
10276         (File_read::descriptor): New function.
10277         * gold.cc: Include "plugin.h".
10278         (queue_initial_tasks): Add task to call plugin hooks for generating
10279         new object files.
10280         * main.cc: Include "plugin.h".
10281         (main): Load plugin libraries.
10282         * object.h (Pluginobj): Declare.
10283         (Object::pluginobj): New function.
10284         (Object::do_pluginobj): New function.
10285         (Object::set_target): New function.
10286         * options.cc: Include "plugin.h".
10287         (General_options::parse_plugin): New function.
10288         (General_options::General_options): Initialize plugins_ field.
10289         (General_options::add_plugin): New function.
10290         * options.h (Plugin_manager): Declare.
10291         (General_options): Add --plugin option.
10292         (General_options::has_plugins): New function.
10293         (General_options::plugins): New function.
10294         (General_options::add_plugin): New function.
10295         (General_options::plugins_): New field.
10296         * plugin.cc: New file.
10297         * plugin.h: New file.
10298         * readsyms.cc: Include "plugin.h".
10299         (Read_symbols::do_read_symbols): Check for archive before checking
10300         for ELF file.  Call plugin hooks to claim files.
10301         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10302         from a real object file; force override when processing replacement
10303         files.
10304         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10305         (Symbol::init_base_object): Likewise.
10306         (Symbol::init_base_output_data): Likewise.
10307         (Symbol::init_base_output_segment): Likewise.
10308         (Symbol::init_base_constant): Likewise.
10309         (Symbol::init_base_undefined): Likewise.
10310         (Symbol::output_section): Assert that object is not a plugin.
10311         (Symbol_table::add_from_pluginobj): New function.
10312         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10313         undefined.
10314         (Symbol_table::sized_write_globals): Likewise.
10315         (Symbol_table::add_from_pluginobj): Instantiate template.
10316         * symtab.h (Sized_pluginobj): Declare.
10317         (Symbol::in_real_elf): New function.
10318         (Symbol::set_in_real_elf): New function.
10319         (Symbol::in_real_elf_): New field.
10320         (Symbol_table::add_from_pluginobj): New function.
10321
10322         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10323         (LIBDL): New variable.
10324         (LDADD): Add LIBDL.
10325         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10326         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10327         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10328         (MOSTLYCLEANFILES): Likewise.
10329         * testsuite/Makefile.in: Regenerate.
10330         * testsuite/plugin_test.c: New file.
10331         * testsuite/plugin_test_1.sh: New file.
10332         * testsuite/plugin_test_2.sh: New file.
10333
10334 2008-09-16  Ian Lance Taylor  <iant@google.com>
10335
10336         * target-reloc.h (relocate_section): Check whether a symbol is
10337         defined by the ABI before reporting an undefined symbol error.
10338         * target.h (Target::is_defined_by_abi): Make parameter const.
10339         (Target::do_is_defined_by_abi): Likewise.
10340         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10341         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10342         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10343         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10344         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10345         * testsuite/Makefile.in: Rebuild.
10346
10347         * fileread.cc (make_view): Add casts to avoid warning.
10348
10349 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10350
10351         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10352         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10353
10354 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10355
10356         * options.h (General_options::output_is_executable): New.
10357         (General_options::output_is_pie): New.
10358         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10359         for shared libraries.
10360         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10361
10362 2008-09-11  Chris Demetriou  <cgd@google.com>
10363
10364         * options.h (origin): New -z option.
10365         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10366         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10367         in DT_FLAGS_1.
10368
10369 2008-09-05  Cary Coutant  <ccoutant@google.com>
10370
10371         * fileread.cc (File_read::make_view): Add check for attempt to map
10372         beyond end of file.
10373
10374 2008-09-05  Cary Coutant  <ccoutant@google.com>
10375
10376         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10377         explicit instantiations.
10378
10379 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10380
10381         PR gold/6858
10382         * options.cc (General_options::finalize): Allow undefined symbols
10383         in shlibs if linking -shared.
10384
10385         PR gold/6859
10386         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10387         symbols as not needing a dynsym entry.
10388
10389 2008-08-20  Craig Silverstein  <csilvers@google.com>
10390
10391         * fileread.cc (File_read::open): Do not lock the file unless it
10392         was successfully opened.
10393
10394 2008-08-14  Cary Coutant  <ccoutant@google.com>
10395
10396         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10397         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10398         * testsuite/tls_test.cc (struct int128): 128-bit struct
10399         for testing TLS relocs with non-zero addend.
10400         (v12): New TLS variable.
10401         (t12): New test.
10402         (t_last): Add check for v12.
10403         * testsuite/tls_test.h (t12): New function.
10404         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10405
10406 2008-08-13  Ian Lance Taylor  <iant@google.com>
10407
10408         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10409         set tls_segment_ or relro_segment_.
10410         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10411         when appropriate.
10412         * output.h (Output_section::clear_is_relro): New function.
10413         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10414         sections specially even when output_data_ is empty.
10415         (Output_segment::maximum_alignment): When first section is relro,
10416         only force alignment for PT_LOAD segments.
10417         * script.cc (script_data_segment_align): New function.
10418         (script_data_segment_relro_end): New function.
10419         * script-c.h (script_data_segment_align): Declare.
10420         (script_data_segment_relro_end): Declare.
10421         * script-sections.h (class Script_sections): Declare
10422         data_segment_align and data_segment_relro_end.  Add fields
10423         segment_align_index_ and saw_relro_end_.
10424         * script-sections.cc (class Sections_element): Add set_is_relro
10425         virtual function.  Add new bool* parameter to place_orphan_here.
10426         Add get_output_section virtual function.
10427         (class Output_section_definition): Add set_is_relro.  Add new
10428         bool* parameter to place_orphan_here.  Add get_output_section.
10429         Add is_relro_ field.
10430         (Output_section_definition::Output_section_definition): Initialize
10431         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10432         and is_relro_ fields.
10433         (Output_section_definition::place_orphan_here): Add is_relro
10434         parameter.
10435         (Output_section_definition::set_section_addresses): Set relro for
10436         output section.
10437         (Output_section_definition::alternate_constraint): Likewise.
10438         (class Orphan_output_section): Add new bool* parameter to
10439         place_orphan_here.  Add get_output_section.
10440         (Orphan_output_section::place_orphan_here): Add is_relro
10441         parameter.
10442         (Script_sections::Script_sections): Initialize
10443         data_segment_align_index_ and saw_relro_end_.
10444         (Script_sections::data_segment_align): New function.
10445         (Script_sections::data_segment_relro_end): New function.
10446         (Script_sections::place_orphan): Set or clear is_relro.
10447         (Script_sections::set_section_addresses): Force alignment of first
10448         TLS section.
10449         * yyscript.y (exp): Call script_data_segment_align and
10450         script_data_segment_relro_end.
10451         * testsuite/relro_script_test.t: New file.
10452         * testsuite/relro_test.cc (using_script): Declare.
10453         (t1, t2): Test using_script.
10454         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10455         (relro_script_test_SOURCES): Define.
10456         (relro_script_test_DEPENDENCIES): Define.
10457         (relro_script_test_LDFLAGS): Define.
10458         (relro_script_test_LDADD): Define.
10459         (relro_script_test.so): New target.
10460         * testsuite/Makefile.in: Rebuild.
10461
10462 2008-08-06  Cary Coutant <ccoutant@google.com>
10463
10464         * archive.cc (Archive::total_archives, Archive::total_members)
10465         (Archive::total_members_loaded): New variables.
10466         (Archive::setup): Add parameter.  Add option to preread
10467         archive symbols.
10468         (Archive::read_armap): Add counter.
10469         (Archive::get_file_and_offset): New function.
10470         (Archive::get_elf_object_for_member): New function.
10471         (Archive::read_all_symbols): New function.
10472         (Archive::read_symbols): New function.
10473         (Archive::add_symbols): Add counters.
10474         (Archive::include_all_members): Use armap to find members if it's
10475         already built.
10476         (Archive::include_member): Skip reading symbols if already read.
10477         Factored code into Archive::get_file_and_offset and
10478         Archive::get_elf_object_for_member.  Changed call to
10479         Mapfile::report_include_archive_member.
10480         (Archive::print_stats): New function.
10481         * archive.h: Declare Object and Read_symbols_data classes.
10482         (Archive::Archive): Add initializers for new members.
10483         (Archive::setup): Add parameter.
10484         (Archive::print_stats): New function.
10485         (Archive::total_archives, Archive::total_members)
10486         (Archive::total_members_loaded): New variables.
10487         (Archive::get_file_and_offset): New function.
10488         (Archive::get_elf_object_for_member): New function.
10489         (Archive::read_all_symbols): New function.
10490         (Archive::read_symbols): New function.
10491         (Archive::Archive_member): New class.
10492         (Archive::members_): New member.
10493         (Archive::num_members_): New member.
10494         * main.cc: Include archive.h.
10495         (main): Call Archive::print_stats.
10496         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10497         archive parameter; member_name is now the fully-decorated name.
10498         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10499         * options.h: (General_options): Add --preread-archive-symbols option.
10500         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10501         Archive::setup.
10502
10503 2008-08-04  Ian Lance Taylor  <iant@google.com>
10504
10505         * symtab.h (Symbol::use_plt_offset): New function.
10506         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10507         * powerpc.cc (Relocate::relocate): Likewise.
10508         * sparc.cc (Relocate::relocate): Likewise.
10509         * x86_64.cc (Relocate::relocate): Likewise.
10510         * testsuite/weak_plt.sh: New test.
10511         * testsuite/weak_plt_main.cc: New test.
10512         * testsuite/weak_plt_shared.cc: New test.
10513         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10514         (check_PROGRAMS): Add weak_plt.
10515         (check_DATA): Add weak_plt_shared.so.
10516         (weak_plt_main_pic.o, weak_plt): New targets.
10517         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10518         * testsuite/Makefile.in: Rebuild.
10519
10520         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10521         gcctestdir/ld.
10522         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10523         * testsuite/Makefile.in: Rebuild.
10524
10525 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10526
10527         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10528         * Makefile.in: Regenerate.
10529         * po/POTFILES.in: Regenerate.
10530
10531 2008-07-29  Ian Lance Taylor  <iant@google.com>
10532
10533         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10534         symbols before other symbols.
10535         * testsuite/script_test_2.cc (test_addr): Declare.
10536         (test_addr_alias): Declare.
10537         (main): Check that test_addr and test_addr_alias have the right
10538         values.
10539         * testsuite/script_test_2.t: Define test_addr_alias and
10540         test_addr.
10541
10542 2008-07-24  Ian Lance Taylor  <iant@google.com>
10543
10544         PR 5990
10545         * descriptors.cc: New file.
10546         * descriptors.h: New file.
10547         * gold-threads.h (class Hold_optional_lock): New class.
10548         * fileread.cc: Include "descriptors.h".
10549         (File_read::~File_read): Release descriptor rather than closing
10550         it.
10551         (File_read::open) [file]: Call open_descriptor rather than open.
10552         Set is_descriptor_opened_.
10553         (File_read::open) [memory]: Assert that descriptor is not open.
10554         (File_read::reopen_descriptor): New function.
10555         (File_read::release): Release descriptor.
10556         (File_read::do_read): Make non-const.  Reopen descriptor.
10557         (File_read::read): Make non-const.
10558         (File_read::make_view): Reopen descriptor.
10559         (File_read::do_readv): Likewise.
10560         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10561         Update declarations.
10562         * layout.cc: Include "descriptors.h".
10563         (Layout::create_build_id): Use open_descriptor rather than open.
10564         * output.cc: Include "descriptors.h".
10565         (Output_file::open): Use open_descriptor rather than open.
10566         * archive.cc (Archive::const_iterator): Change Archive to be
10567         non-const.
10568         (Archive::begin, Archive::end): Make non-const.
10569         (Archive::count_members): Likewise.
10570         * archive.h (class Archive): Update declarations.
10571         * object.h (Object::read): Make non-const.
10572         * Makefile.am (CCFILES): Add descriptors.cc.
10573         (HFILES): Add descriptors.h.
10574         * Makefile.in: Rebuild.
10575
10576         PR 6716
10577         * gold.h: Always include <clocale>.  Add Solaris workarounds
10578         following code in binutils/sysdep.h.
10579
10580         PR 6048
10581         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10582         this->eh_frame_hdr_ is NULL before using it.
10583
10584         * dynobj.cc (Versions::Versions): Update comment.
10585
10586         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10587         the base version name.
10588
10589         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10590         array size plus one.
10591         (Stringpool_template::set_string_offsets): Subtract one from key
10592         before using it as an array index.
10593         (Stringpool_template::get_offset_with_length): Likewise.
10594         (Stringpool_template::write_to_buffer): Likewise.
10595         * stringpool.h (Stringpool_template::get_offset_from_key):
10596         Likewise.
10597
10598 2008-07-23  Ian Lance Taylor  <iant@google.com>
10599
10600         PR 6658
10601         * object.h (Merged_symbol_value::value): Do our best to handle a
10602         negative addend.
10603
10604         PR 6647
10605         * script.cc (Version_script_info::get_versions): Don't add empty
10606         version tag to return value.
10607         (Version_script_info::get_symbol_version_helper): Change return
10608         type to bool.  Add pversion parameter.  Change all callers.
10609         (script_register_vers_node): Don't require a non-NULL tag.
10610         * script.h (class Version_script_info): Update declarations.
10611         (Version_script_info::get_symbol_version): Change return type to
10612         bool.  Add version parameter.  Change all callers.
10613         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10614         handling.  Handle an empty version from a version script.
10615         (Symbol_table::define_special_symbol): Likewise.
10616         * testsuite/ver_test_10.script: New file.
10617         * testsuite/ver_test_10.sh: New file.
10618         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10619         (check_DATA): Add ver_test_10.syms.
10620         (ver_test_10.syms, ver_test_10.so): New target.
10621         * testsuite/Makefile.in: Rebuild.
10622
10623 2008-07-23  Simon Baldwin  <simonb@google.com>
10624
10625         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10626         to zero for undefined symbols from dynamic libraries.
10627
10628 2008-07-23  Ian Lance Taylor  <iant@google.com>
10629
10630         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10631         Change all callers.
10632         * symtab.h (class Symbol_table): Update declaration.
10633         * testsuite/ver_test_9.cc: New file.
10634         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10635         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10636         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10637         (ver_test_9.so, ver_test_9.o): New targets.
10638         * testsuite/Makefile.in: Rebuild.
10639
10640 2008-07-22  Ian Lance Taylor  <iant@google.com>
10641
10642         * options.h (class General_options): Define --check-sections.
10643         * layout.cc (Layout::set_segment_offsets): Handle
10644         --check-sections.
10645
10646         * options.h (class General_options): Define -n/--nmagic and
10647         -N/--omagic.
10648         * options.cc (General_options::finalize): For -n/--nmagic or
10649         -N/--omagic, set -static.
10650         * layout.cc (Layout::attach_allocated_section_to_segment): If
10651         -N/--omagic, don't put read-only and read-write sections in
10652         different segments.
10653         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10654         finding a read-only segment.
10655         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10656         don't set the minimum segment alignment to the common page size,
10657         and don't set the file offset to the address modulo the page size.
10658         * script-sections.cc (Script_sections::create_segments): If
10659         -n/--omagic, don't put read-only and read-write sections in
10660         different segments.
10661
10662         * cref.cc: New file.
10663         * cref.h: New file.
10664         * options.h (class General_options): Add --print-symbol-counts.
10665         * main.cc (main): Issue defined symbol report if requested.
10666         * archive.cc (Archive::interpret_header): Make into a const member
10667         function.
10668         (Archive::add_symbols): Call Input_objects::archive_start and
10669         archive_stop.
10670         (Archive::const_iterator): Define new class.
10671         (Archive::begin, Archive::end): New functions.
10672         (Archive::include_all_members): Rewrite to use iterator.
10673         (Archive::count_members): New function.
10674         * archive.h (class Archive): Update declarations.
10675         (Archive::filename): New function.
10676         * object.cc: Include "cref.h".
10677         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10678         (Sized_relobj::do_get_global_symbol_counts): New function.
10679         (Input_objects::add_object): Add object to cross-referencer.
10680         (Input_objects::archive_start): New function.
10681         (Input_objects::archive_stop): New function.
10682         (Input_objects::print_symbol_counts): New function.
10683         * object.h: Declare Cref and Archive.
10684         (Object::get_global_symbol_counts): New function.
10685         (Object::do_get_global_symbol_counts): New pure virtual function.
10686         (class Sized_relobj): Add defined_count_ field.  Update
10687         declarations.
10688         (class Input_objects): Add cref_ field.  Update constructor.
10689         Update declarations.
10690         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10691         defined_count_.
10692         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10693         symbol counts.
10694         (Sized_dynobj::do_get_global_symbol_counts): New function.
10695         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10696         defined_count_.  Update declarations.  Define Symbols typedef.
10697         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10698         parameter.  Change all callers.
10699         (Symbol_table::add_from_dynobj): Add sympointers and defined
10700         parameters.  Change all callers.
10701         * symtab.h (class Symbol_table): Update declarations.
10702         * Makefile.am (CCFILES): Add cref.cc.
10703         (HFILES): Add cref.h.
10704         * Makefile.in: Rebuild.
10705
10706 2008-07-22  Simon Baldwin  <simonb@google.com>
10707
10708         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10709         to zero when writing undefined symbols.
10710
10711 2008-07-22  Ian Lance Taylor  <iant@google.com>
10712
10713         * output.cc (Output_section::add_input_section): Don't try to
10714         merge empty merge sections.
10715
10716 2008-07-21  Craig Silverstein  <csilvers@google.com>
10717
10718         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10719         Include symbol version in error message.
10720
10721 2008-07-20  Chris Demetriou  <cgd@google.com>
10722
10723         * configure.ac (gold_cv_c_random_seed): New configured variable.
10724         (RANDOM_SEED_CFLAGS): New substituted variable.
10725         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10726         * configure: Rebuild.
10727         * Makefile.in: Likewise.
10728         * testsuite/Makefile.in: Likewise.
10729
10730 2008-07-18  Ian Lance Taylor  <iant@google.com>
10731
10732         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10733         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10734         * testsuite/ver_test_main.cc (main): Call t4.
10735         (t4, t4_2a): Define.
10736         * testsuite/ver_test_2.cc (t4_2): Define.
10737         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10738         * testsuite/ver_test_4.cc (t4_2a): Define.
10739         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10740         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10741
10742 2008-07-17  Ian Lance Taylor  <iant@google.com>
10743
10744         * dynobj.cc (Versions::add_def): If we give an error about a
10745         missing version, go ahead and create the version anyhow.
10746
10747 2008-07-10  Ian Lance Taylor  <iant@google.com>
10748
10749         Handle output sections with more than 0x7fffffff bytes.
10750         * object.h (class Relobj): Change map_to_output_ to
10751         output_sections_, and just keep a section pointer.  Change all
10752         uses.  Move comdat group support to Sized_relobj.
10753         (Relobj::is_section_specially_mapped): Remove.
10754         (Relobj::output_section): Remove poff parameter.  Change all
10755         callers.
10756         (Relobj::output_section_offset): New function.
10757         (Relobj::set_section_offset): Rewrite.
10758         (Relobj::map_to_output): Remove.
10759         (Relobj::output_sections): New function.
10760         (Relobj::do_output_section_offset): New pure virtual function.
10761         (Relobj::do_set_section_offset): Likewise.
10762         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10763         group support from Relobj.  Update declarations.
10764         (Sized_relobj::get_output_section_offset): New function.
10765         (Sized_relobj::do_output_section_offset): New function.
10766         (Sized_relobj::do_set_section_offset): New function.
10767         * object.cc (Relobj::output_section_address): Remove.
10768         (Sized_relobj::Sized_relobj): Initialize new fields.
10769         (Sized_relobj::include_section_group): Cast find_kept_object to
10770         Sized_relobj.
10771         (Sized_relobj::include_linkonce_section): Likewise.
10772         (Sized_relobj::do_layout): Use separate arrays for output section
10773         and output offset.
10774         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10775         output_sections.
10776         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10777         output_sections and section_offsets.
10778         (Sized_relobj::write_local_symbols): Likewise.
10779         (map_to_kept_section): Compute output address directly.
10780         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10781         output_sections and section_offsets.
10782         (Sized_relobj::write_sections): Likewise.
10783         (Sized_relobj::relocate_sections): Likewise.
10784         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10785         * output.h (class Output_reloc): Update declarations.  Change
10786         u2_.relobj to Sized_relobj*.
10787         (class Output_data_reloc): Change add functions to use
10788         Sized_relobj*.
10789         * output.cc (Output_reloc::Output_reloc): Change relobj to
10790         Sized_relobj*.
10791         (Output_reloc::local_section_offset): Change return type to
10792         Elf_Addr.  Use get_output_section_offset.
10793         (Output_reloc::get_address): Likewise.
10794         (Output_section::is_input_address_mapped): Don't call
10795         is_section_specially_mapped.
10796         (Output_section::output_offset): Likewise.
10797         (Output_section::output_address): Likewise.
10798         (Output_section::starting_output_address): Likewise.
10799         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10800         parameter to Sized_relobj*.
10801         (Copy_relocs::need_copy_reloc): Likewise.
10802         (Copy_relocs::save): Likewise.
10803         * copy-relocs.h (class Copy_relocs): Update declarations.
10804         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10805         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10806         * target-reloc.h (relocate_for_relocatable): Change
10807         offset_in_output_section type to Elf_Addr.  Change code that uses
10808         it as well.
10809         * layout.cc (Layout::layout): Always set *off.
10810         * mapfile.cc (Mapfile::print_input_section): Use
10811         output_section_offset.
10812         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10813         Sized_relobj*.
10814         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10815         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10816         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10817
10818 2008-07-03  Ian Lance Taylor  <iant@google.com>
10819
10820         * layout.cc (Layout::include_section): Do not discard unrecognized
10821         SHT_STRTAB sections.
10822
10823 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10824
10825         * script.cc (Lex::can_continue_name): Make '?' allowable in
10826         version-script names.
10827         * testsuite/version_script.map: Change glob pattern to use '?'
10828
10829 2008-06-30  Manish Singh  <yosh@gimp.org>
10830
10831         PR 6585
10832         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10833         Correct typo.
10834
10835 2008-06-30  Ian Lance Taylor  <iant@google.com>
10836
10837         PR 6660
10838         PR 6682
10839         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10840         versions]: Don't try to read the value in the contents, since we
10841         don't use it.  Use the template endianness when writing.
10842
10843 2008-06-25  Cary Coutant  <ccoutant@google.com>
10844
10845         * fileread.cc (File_read::make_view): Assert on zero-length view.
10846         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10847         symbol table when there are no symbols to read.
10848
10849 2008-06-23  Craig Silverstein  <csilvers@google.com>
10850
10851         * version.cc (version_string): Bump to 1.7
10852
10853 2008-06-18  Craig Silverstein  <csilvers@google.com>
10854
10855         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10856         constant 0xFFFF to type Valtype.
10857         (Powerpc_relocate_functions::rel16_ha): Likewise.
10858
10859 2008-06-17  Ian Lance Taylor  <iant@google.com>
10860
10861         * output.h (Output_section::Input_section): Initialize p2align_ to
10862         zero for Output_section_data constructors.
10863         (Output_section::Input_section::addralign): If not an input
10864         section, return the alignment of the Output_section_data.
10865         * testsuite/copy_test.cc: New file.
10866         * testsuite/copy_test_1.cc: New file.
10867         * testsuite/copy_test_2.cc: New file.
10868         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10869         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10870         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10871         (copy_test_1_pic.o, copy_test_1.so): New targets.
10872         (copy_test_2_pic.o, copy_test_2.so): New targets.
10873         * testsuite/Makefile.in: Rebuild.
10874
10875         * script-sections.cc (Script_sections::place_orphan): Initialize
10876         local variable exact.
10877
10878 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10879
10880         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10881
10882 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10883             David S. Miller  <davem@davemloft.net>
10884
10885         * powerpc.cc: New file.
10886         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10887         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10888         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10889         * Makefile.in: Rebuild.
10890
10891 2008-06-09  Ian Lance Taylor  <iant@google.com>
10892
10893         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10894         <exception>.
10895         (throwing, orig_terminate): New static variables.
10896         (terminate_handler): New static function.
10897         (t2): Set terminate handler.
10898
10899 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10900
10901         PR 6584
10902         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10903         alignment.
10904
10905 2008-05-30  Cary Coutant  <ccoutant@google.com>
10906
10907         * archive.cc (Archive::include_all_members) Correct to step
10908         over symbol table and extended name table in thin archives.
10909
10910 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10911
10912         PR 6407
10913         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10914         calculation.
10915
10916 2008-05-28  Caleb Howe  <cshowe@google.com>
10917
10918         * reduced_debug_output.cc: New file.
10919         * reduced_debug_output.h: New file.
10920         * options.h (class General_options): Add --strip-debug-non-line.
10921         * options.cc (General_options::finalize): Add strip_debug_non_line
10922         to the strip heirarchy.
10923         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10924         fields.
10925         * layout.cc: Include "reduced_debug_output.h".
10926         (Layout::Layout): Initialize new fields.
10927         (line_only_debug_sections): New static array.
10928         (is_lines_only_debug_sections): New static inline function.
10929         (Layout::include_section): Handle --strip-debug-non-line.
10930         (Layout::make_output_section): If --strip-debug-non-line, build
10931         new output sections for .debug_abbrev and .debug_info.
10932         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10933         gold.  Warn about possible overflow.
10934         (read_signed_LEB_128): Likewise.
10935         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10936         (read_signed_LEB_128): Declare.
10937         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10938         (HFILES): Add reduced_debug_output.h.
10939         * Makefile.in: Rebuild.
10940
10941 2008-05-21  Ian Lance Taylor  <iant@google.com>
10942
10943         * mapfile.cc: New file.
10944         * mapfile.h: New file.
10945         * options.h (class General_options): Add -M/--print-map and -Map.
10946         * options.cc (General_options::finalize): Make -M equivalent to
10947         -Map -.
10948         * main.cc: Include <cstdio> and "mapfile.h".
10949         (main): Open mapfile if requested.
10950         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10951         constructor.  Change caller.
10952         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10953         (queue_middle_tasks): Likewise.
10954         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10955         declarations.
10956         * archive.cc: Include "mapfile.h".
10957         (Archive::add_symbols): Add mapfile parameter.  Change all
10958         callers.  Pass mapfile, symbol, and reason to include_member.
10959         (Archive::include_all_members): Add mapfile parameter.  Change all
10960         callers.
10961         (Archive::include_member): Add mapfile, sym, and why parameters.
10962         Change all callers.  Report inclusion to map file.
10963         * archive.h: Include "fileread.h".
10964         (class Archive): Update declarations.
10965         (Archive::file): New const method.
10966         (class Add_archive_symbols): Add mapfile_ field.  Update
10967         constructor.  Change all callers.
10968         * readsyms.h (class Read_symbols): Likewise.
10969         (class Finish_group): Likewise.
10970         (class Read_script): Likewise.
10971         * common.cc: Include "mapfile.h".
10972         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10973         all callers.
10974         (Symbol_table::do_allocate_commons): Likewise.
10975         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10976         symbol allocation to mapfile.
10977         * common.h (class Allocate_commons_task): Add mapfile_ field.
10978         Update constructor.  Change all callers.
10979         * symtab.h (class Symbol_table): Update declarations.
10980         * layout.cc: Include "mapfile.h".
10981         (Layout_task_runner::run): Print information to mapfile.
10982         (Layout::create_gold_note): Change Output_data_fixed_space to
10983         Output_data_zero_fill.
10984         (Layout::create_build_id): Likewise.
10985         (Layout::print_to_mapfile): New function.
10986         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10987         constructor.  Change caller.
10988         (class Layout): Declare print_to_mapfile.
10989         * output.cc (Output_section::Input_section::print_to_mapfile): New
10990         function.
10991         (Output_section::add_input_section): If producing a map, always
10992         add to input_sections_ list.
10993         (Output_section::do_print_to_mapfile): New function.
10994         (Output_segment::print_sections_to_mapfile): New function.
10995         (Output_segment::print_section_list_to_mapfile): New function.
10996         * output.h: Include "mapfile.h".
10997         (Output_data::print_to_mapfile): New function.
10998         (Output_data::do_print_to_mapfile): New virtual function.
10999         (Output_segment_headers::do_print_to_mapfile): New function.
11000         (Output_file_header::do_print_to_mapfile): New function.
11001         (Output_data_const::do_print_to_mapfile): New function.
11002         (class Output_data_const_buffer): Add map_name_ field.  Update
11003         constructor.  Change all callers.  Add do_print_to_mapfile
11004         function.
11005         (class Output_data_fixed_space): Likewise.
11006         (class Output_data_space): Likewise.
11007         (class Output_data_zero_fill): New class.
11008         (Output_data_strtab::do_print_to_mapfile): New function.
11009         (Output_data_reloc_base::do_print_to_mapfile): New function.
11010         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11011         (Output_data_group::do_print_to_mapfile): New function.
11012         (Output_data_got::do_print_to_mapfile): New function.
11013         (Output_data_dynamic::do_print_to_mapfile): New function.
11014         (Output_symtab_xindex::do_print_to_mapfile): New function.
11015         (class Output_section): Declare do_print_to_mapflie.  Declare
11016         print_to_mapfile in Input_section.
11017         (class Output_segment): Declare new functions.
11018         * object.h (Sized_relobj::symbol_count): New function.
11019         * script-sections.cc
11020         (Output_section_element_dot_assignment::set_section_addresses):
11021         Change Output_data_fixed_space to Output_data_zero_fill.
11022         (Output_data_expression::do_print_to_mapfile): New function.
11023         * script.cc (read_input_script): Add mapfile parameter.  Change
11024         all callers.
11025         * script.h (read_input_script): Update declaration.
11026         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11027         (Eh_frame::do_print_to_mapfile): New function.
11028         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11029         (Output_merge_string::do_print_to_mapfile): New function.
11030         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11031         function.
11032         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11033         function.
11034         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11035         function.
11036         * Makefile.am (CCFILES): Add mapfile.cc.
11037         (HFILES): Add mapfile.h.
11038         * Makefile.in: Rebuild.
11039
11040 2008-05-19  Ian Lance Taylor  <iant@google.com>
11041
11042         * options.h (class General_options): Add -z relro.
11043         * layout.cc (Layout::Layout): Initialize relro_segment_.
11044         (Layout::add_output_section_data): Return the output section.
11045         (Layout::make_output_section): Rcognize relro sections and mark
11046         them appropriately.
11047         (Layout::attach_allocated_section_to_segment): Put relro sections
11048         in a PT_GNU_RELRO segment.
11049         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11050         section as relro.
11051         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11052         PT_TLS segments.
11053         (Layout::linkonce_mapping): Map d.rel.ro.local to
11054         .data.rel.ro.local.
11055         (Layout::output_section_name): Us .data.rel.ro.local for any
11056         section which begins with that.
11057         * layout.h (class Layout): Update add_output_section_data
11058         declaration.  Add relro_segment_ field.
11059         * output.cc (Output_section::Output_section): Initialize is_relro_
11060         and is_relro_local_ fields.
11061         (Output_segment::add_output_section): Group relro sections.
11062         (Output_segment::is_first_section_relro): New function.
11063         (Output_segment::maximum_alignment): If there is a relro section,
11064         align the segment to the common page size.
11065         (Output_segment::set_section_addresses): Track whether we are
11066         looking at relro sections.  If the last section is a relro
11067         section, align to the common page size.
11068         (Output_segment::set_section_list_addresses): Add in_relro
11069         parameter.  Change all callers.  Align to the page size when
11070         moving from relro to non-relro section.
11071         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11072         segment.
11073         * output.h (class Output_section): Add is_relro_ and
11074         is_relro_local_ fields.
11075         (Output_section::is_relro): New function.
11076         (Output_section::set_is_relro): New function.
11077         (Output_section::is_relro_local): New function.
11078         (Output_section::set_is_relro_local): New function.
11079         (class Output_segment): Update declarations.
11080         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11081         * sparc.cc (Target_sparc::got_section): Likewise.
11082         * x86_64.cc (Target_x86_64::got_section): Likewise.
11083         * testsuite/relro_test_main.cc: New file.
11084         * testsuite/relro_test.cc: New file.
11085         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11086         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11087         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11088         (relro_test.so, relro_test_pic.o): New targets.
11089         * testsuite/Makefile.in: Rebuild.
11090
11091 2008-05-16  Ian Lance Taylor  <iant@google.com>
11092
11093         * output.cc (Output_segment::add_output_section): Remove front
11094         parameter.
11095         * output.h (class Output_segment): Remove
11096         add_initial_output_section and overloaded add_output_section.
11097         Update declaration of remaining add_output_section.
11098         * layout.cc (Layout::create_interp): Call add_output_section
11099         rather than add_initial_output_section.
11100         (Layout::finish_dynamic_section): Likewise.
11101
11102         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11103         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11104         know the dynamic type.
11105         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11106         field.  Initialize it in constructor.
11107         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11108         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11109         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11110         reloc.
11111
11112         * output.cc (Output_reloc::get_address): Change return type to
11113         Elf_Addr.
11114         * output.h (class Output_reloc): Update get_address declaration.
11115         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11116         for section addresses.
11117
11118 2008-05-09  Ian Lance Taylor  <iant@google.com>
11119
11120         PR 6493
11121         * gold.cc (gold_nomem): Use return value of write.
11122
11123 2008-05-08  Ian Lance Taylor  <iant@google.com>
11124
11125         * symtab.c (Symbol::init_base_output_data): Add version
11126         parameter.  Change all callers.
11127         (Symbol::init_base_output_segment): Likewise.
11128         (Symbol::init_base_constant): Likewise.
11129         (Symbol::init_base_undefined): Likewise.
11130         (Sized_symbol::init_output_data): Likewise.
11131         (Sized_symbol::init_output_segment): Likewise.
11132         (Sized_symbol::init_constant): Likewise.
11133         (Sized_symbol::init_undefined): Likewise.
11134         (Symbol_table::do_define_in_output_data): If the new symbol has a
11135         version, mark it as the default.
11136         (Symbol_table::do_define_in_output_segment): Likewise.
11137         (Symbol_table::do_define_as_constant): Likewise.
11138         * symtab.h (class Symbol): Update declarations.
11139         (class Sized_symbol): Likewise.
11140         * resolve.cc (Symbol::override_version): New function.
11141         (Symbol::override_base): Call override_version.
11142         (Symbol::override_base_with_special): Likewise.
11143         * testsuite/ver_script_8.script: New file.
11144         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11145         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11146         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11147         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11148
11149 2008-05-06  Ian Lance Taylor  <iant@google.com>
11150
11151         PR 6049
11152         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11153         functions.
11154         (class General_options): Remove existing --undefined, and add
11155         --no-undefined instead.  Add new --undefined as synonym for -u.
11156         * archive.cc (Archive::add_symbols): Check whether symbol was
11157         named with -u.
11158         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11159         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11160         all uses.  Add IS_UNDEFINED.  Update declarations to split
11161         different versions of init_base.  Declare init_base_undefined.
11162         (Symbol::is_defined): Handle IS_UNDEFINED.
11163         (Symbol::is_undefined): Likewise.
11164         (Symbol::is_weak_undefined): Call is_undefined.
11165         (Symbol::is_absolute): Handle IS_CONSTANT.
11166         (class Sized_symbol): Update declarations to split different
11167         versions of init.  Declare init_undefined.
11168         (class Symbol_table): Declare new functions.
11169         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11170         Change all callers.
11171         (Symbol::init_base_output_data): Likewise.
11172         (Symbol::init_base_output_segment): Likewise.
11173         (Symbol::init_base_constant): Likewise.
11174         (Symbol::init_base_undefined): New function.
11175         (Sized_symbol::init_object): Rename from init.  Change all
11176         callers.
11177         (Sized_symbol::init_output_data): Likewise.
11178         (Sized_symbol::init_output_segment): Likewise.
11179         (Sized_symbol::init_constant): Likewise.
11180         (Sized_symbol::init_undefined): New function.
11181         (Symbol_table::add_undefined_symbols_from_command_line): New
11182         function.
11183         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11184         function.
11185         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11186         (Symbol::output_section): Likewise.
11187         (Symbol::set_output_section): Likewise.
11188         (Symbol_table::sized_finalize_symbol): Likewise.
11189         (Symbol_table::sized_write_globals): Likewise.
11190         * resolve.cc (Symbol_table::should_override): Likewise.
11191         (Symbol::override_base_with_special): Likewise.
11192
11193         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11194         symbol, change it to have default visibility.
11195         * testsuite/protected_1.cc: New file.
11196         * testsuite/protected_2.cc: New file.
11197         * testsuite/protected_3.cc: New file.
11198         * testsuite/protected_main_1.cc: New file.
11199         * testsuite/protected_main_2.cc: New file.
11200         * testsuite/protected_main_3.cc: New file.
11201         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11202         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11203         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11204         (protected_1.so): New target.
11205         (protected_1_pic.o, protected_2_pic.o): New targets.
11206         (protected_3_pic.o): New target.
11207         (check_PROGRAMS): Add protected_2.
11208         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11209         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11210         * testsuite/Makefile.in: Rebuild.
11211
11212         * options.h (DEFINE_var): Add set_user_set_##varname__.
11213         (DEFINE_bool_alias): New macro.
11214         (class General_options): Define -Bstatic using DEFINE_bool_alias
11215         rather than DEFINE_special.  Add --undefined as an alias for -z
11216         defs.
11217         * options.cc (General_options::parse_Bstatic): Remove.
11218
11219         * options.h (class General_options): Add --fatal-warnings.
11220         * main.cc (main): Implement --fatal-warnings.
11221         * errors.h (Errors::warning_count): New function.
11222
11223         * options.h (class General_options): Add -Bsymbolic-functions.
11224         * symtab.h (Symbol::is_preemptible): Check for
11225         -Bsymbolic-functions.
11226
11227 2008-05-05  Ian Lance Taylor  <iant@google.com>
11228
11229         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11230         as noVARNAME rather than no-VARNAME.
11231         (class General_options): Add option -z combreloc.
11232         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11233         get_address.
11234         (Output_reloc::sort_before) [SHT_REL]: New function.
11235         (Output_reloc::sort_before) [SHT_RELA]: New function.
11236         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11237         Sort_relocs_comparison.
11238         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11239         parameter.  Change all callers.
11240         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11241         sort_relocs parameter.  Change all callers.
11242         * output.cc (Output_reloc::get_address): New function, broken out
11243         of write_rel.
11244         (Output_reloc::write_rel): Call it.
11245         (Output_reloc::compare): New function.
11246         (Output_data_reloc_base::do_write): Optionally sort relocs.
11247
11248         * configure.ac: If targ_extra_obj is set, link it in.
11249         * configure.tgt: Initialize all variables.
11250         (x86_64*): Set targ_extra_obj and targ_extra_size.
11251         * configure: Rebuild.
11252
11253         * object.cc (Sized_relobj::include_section_group): Adjust section
11254         indexes read from group data.  Build vector to pass to
11255         layout_group.
11256         * layout.cc (Layout::layout_group): Add flags and shndxes
11257         parameters.  Remove contents parameter.  Change caller.  Update
11258         explicit instantiations.
11259         * layout.h (class Layout): Update layout_group declaration.
11260         * output.cc (Output_data_group::Output_data_group): Add flags and
11261         input_shndxes parameters.  Remove contents parameter.  Change
11262         caller.
11263         (Output_data_group::do_write): Change input_sections_ to
11264         input_shndxes_.
11265         * output.h (class Output_data_group): Update constructor
11266         declaration.  Rename input_sections_ to input_shndxes_.
11267         * testsuite/many_sections_test.cc: Add template.
11268
11269 2008-04-30  Cary Coutant  <ccoutant@google.com>
11270
11271         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11272
11273         * layout.cc (Layout::include_section): Refactored check for debug
11274         info section.
11275         (Layout::add_comdat): Add new parameters.  Change type
11276         of signature parameter.  Add object and shndx to signatures table.
11277         (Layout::find_kept_object): New function.
11278         * layout.h: Include <cstring>.
11279         (Layout::is_debug_info_section): New function.
11280         (Layout::add_comdat): Add new parameters.
11281         (Layout::find_kept_object): New function.
11282         (Layout::Kept_section): New struct.
11283         (Layout::Signatures): Change type of map range.
11284         * object.cc (Relobj::output_section_address): New function.
11285         (Sized_relobj::include_section_group): Add new parameters.  Change
11286         calls to Layout::add_comdat.  Change to build table of kept comdat
11287         groups and table mapping discarded sections to kept sections.
11288         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11289         (Sized_relobj::do_layout): Change calls to include_section_group and
11290         include_linkonce_section.
11291         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11292         value to zero when section is discarded.
11293         (Sized_relobj::map_to_kept_section): New function.
11294         * object.h (Relobj::output_section_address): New function.
11295         (Relobj::Comdat_group): New type.
11296         (Relobj::find_comdat_group): New function.
11297         (Relobj::Comdat_group_table): New type.
11298         (Relobj::Kept_comdat_section): New type.
11299         (Relobj::Kept_comdat_section_table): New type.
11300         (Relobj::add_comdat_group): New function.
11301         (Relobj::set_kept_comdat_section): New function.
11302         (Relobj::get_kept_comdat_section): New function.
11303         (Relobj::comdat_groups_): New field.
11304         (Relobj::kept_comdat_sections_): New field.
11305         (Symbol_value::input_value): Update comment.
11306         (Sized_relobj::map_to_kept_section) New function.
11307         (Sized_relobj::include_linkonce_section): Add new parameter.
11308         * target-reloc.h (Comdat_behavior): New type.
11309         (get_comdat_behavior): New function.
11310         (relocate_section): Add code to map a discarded section to the
11311         corresponding kept section when applying a relocation.
11312
11313 2008-04-30  Craig Silverstein  <csilvers@google.com>
11314
11315         * dwarf_reader.cc (next_generation_count): New static var.
11316         (Addr2line_cache_entry): New struct.
11317         (addr2line_cache): New static var.
11318         (Dwarf_line_info::one_addr2line): Added caching.
11319         (Dwarf_line_info::clear_addr2line_cache): New function.
11320         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11321         cache-size parameter.
11322         (Dwarf_line_info::one_addr2line_cache): New function.
11323         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11324         new cache-size argument to one_addr2line(), and clear cache.
11325
11326 2008-04-28  Cary Coutant  <ccoutant@google.com>
11327
11328         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11329         R_386_PC8 relocations.
11330
11331 2008-04-23  Ian Lance Taylor  <iant@google.com>
11332
11333         * object.cc (Sized_relobj::include_section_group): Check for
11334         invalid section group.
11335
11336         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11337         header size.
11338
11339         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11340         than read for file header.
11341         * archive.cc (Archive::include_member): Likewise.
11342
11343 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11344
11345         * aclocal.m4: Regenerate.
11346         * configure: Regenerate.
11347
11348 2008-04-19  Ian Lance Taylor  <iant@google.com>
11349
11350         * version.cc (version_string): Bump to 1.6.
11351
11352         * testsuite/Makefile.am (many_sections_r_test): New target.
11353         (many_sections_r_test_SOURCES): Remove.
11354         (many_sections_r_test_DEPENDENCIES): Remove.
11355         (many_sections_r_test_LDFLAGS): Remove.
11356         (many_sections_r_test_LDADD): Remove.
11357
11358         * object.cc (Sized_relobj::do_add_symbols): Always pass
11359         local_symbol_count_ to add_from_relobj.
11360
11361         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11362         every thousand variables.
11363         * testsuite/Makefile.in: Rebuild.
11364
11365         * object.cc (Xindex::initialize_symtab_xindex): New function.
11366         (Xindex::read_symtab_xindex): New function.
11367         (Xindex::sym_xindex_to_shndx): New function.
11368         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11369         available.
11370         (Sized_relobj::do_initialize_xindex): New function.
11371         (Sized_relobj::do_read_symbols): Adjust section links.
11372         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11373         parameter.  Change all callers.
11374         (Sized_relobj::include_section_group): Adjust section links and
11375         symbol section indexes.
11376         (Sized_relobj::do_layout): Adjust section links.
11377         (Sized_relobj::do_count_local_symbols): Adjust section links and
11378         symbol section indexes.
11379         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11380         ordinary and special symbols.
11381         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11382         dynsym_xindex parameters.  Change all callers.  Adjust section
11383         links.  Use SHN_XINDEX when needed.
11384         (Sized_relobj::get_symbol_location_info): Adjust section links.
11385         Don't get fooled by special symbols.
11386         * object.h (class Xindex): Define.
11387         (class Object): Add xindex_ parameter.  Declare virtual functoin
11388         do_initialize_xindex.
11389         (Object::adjust_sym_shndx): New function.
11390         (Object::set_xindex): New protected function.
11391         (class Symbol_value): Add is_ordinary_shndx_ field.
11392         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11393         (Symbol_value::value): Assert ordinary section.
11394         (Symbol_value::initialize_input_to_output_map): Likewise.
11395         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11396         Change all callers.
11397         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11398         all callers.
11399         (class Sized_relobj): Update declarations.
11400         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11401         parameter.  Change all callers.
11402         (Sized_relobj::adjust_shndx): New function.
11403         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11404         field.
11405         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11406         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11407         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11408         (Sized_dynobj::read_dynsym_section): Adjust section links.
11409         (Sized_dynobj::read_dynamic): Likewise.
11410         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11411         section links.
11412         (Sized_dynobj::do_initialize_xindex): New function.
11413         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11414         do_initialize_xindex.
11415         (Sized_dynobj::adjust_shndx): New function.
11416         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11417         dynsym_xindex_ fields.
11418         (Layout::finalize): Add a call to set_section_indexes before
11419         creating the symtab sections.
11420         (Layout::set_section_indexes): Don't do anything if the section
11421         already has a section index.
11422         (Layout::create_symtab_sections): Add shnum parameter.  Change
11423         caller.  Create .symtab_shndx section if needed.
11424         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11425         caller.
11426         (Layout::allocated_output_section_count): New function.
11427         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11428         needed.
11429         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11430         fields.  Update declarations.
11431         (Layout::symtab_xindex): New function.
11432         (Layout::dynsym_xindex): New function.
11433         (class Write_symbols_task): Add layout_ field.
11434         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11435         Change caller.
11436         * output.cc (Output_section_headers::Output_section_headers): Add
11437         shstrtab_section parameter.  Change all callers.
11438         (Output_section_headers::do_sized_write): Store overflow values
11439         for section count and section string table section index in
11440         section header zero.
11441         (Output_file_header::do_sized_write): Check for overflow of
11442         section count and section string table section index.
11443         (Output_symtab_xindex::do_write): New function.
11444         (Output_symtab_xindex::endian_do_write): New function.
11445         * output.h (class Output_section_headers): Add shstrtab_section_.
11446         Update declarations.
11447         (class Output_symtab_xindex): Define.
11448         (Output_section::has_out_shndx): New function.
11449         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11450         field.
11451         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11452         Change all callers.
11453         (Sized_symbol::init): Likewise.
11454         (Symbol::output_section): Check for ordinary symbol.
11455         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11456         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11457         callers.
11458         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11459         Change all callers.  Simplify handling of symbols from sections
11460         not included in the link.
11461         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11462         distinction.
11463         (Weak_alias_sorter::operator()): Assert that symbols are
11464         ordinary.
11465         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11466         distinction.
11467         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11468         parameters.  Change all callers.
11469         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11470         symbol distinction.  Use SHN_XINDEX when needed.
11471         (Symbol_table::write_section_symbol): Add symtab_xindex
11472         parameter.  Change all callers.
11473         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11474         SHN_XINDEX when needed.
11475         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11476         declarations.
11477         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11478         (Symbol::is_defined): Check is_ordinary.
11479         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11480         (Symbol::is_absolute, Symbol::is_common): Likewise.
11481         (class Sized_symbol): Update declarations.
11482         (class Symbol_table): Update declarations.
11483         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11484         parameters.  Change all callers.
11485         (Sized_symbol::override): Likewise.
11486         (Symbol_table::override): Likewise.
11487         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11488         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11489         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11490         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11491         to be in an ordinary section.
11492         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11493         object and is_ordinary parameters.  Change all callers.
11494         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11495         Change all callers.  Don't add undefined or non-ordinary symbols
11496         to reloc_map_.
11497         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11498         Change all callers.
11499         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11500         declarations.
11501         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11502         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11503         (Sized_relobj::relocate_sections): Likewise.
11504         * target-reloc.h (scan_relocs): Adjust section symbol index.
11505         (scan_relocatable_relocs): Likewise.
11506         * i386.cc (Scan::local): Check for ordinary symbols.
11507         * sparc.cc (Scan::local): Likewise.
11508         * x86_64.cc (Scan::local): Likewise.
11509         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11510         to symbol_section_and_value.
11511         * testsuite/many_sections_test.cc: New file.
11512         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11513         (check_PROGRAMS): Add many_sections_test.
11514         (many_sections_test_SOURCES): Define.
11515         (many_sections_test_DEPENDENCIES): Define.
11516         (many_sections_test_LDFLAGS): Define.
11517         (BUILT_SOURCES): Add many_sections_define.h.
11518         (many_sections_define.h): New target.
11519         (BUILT_SOURCES): Add many_sections_check.h.
11520         (many_sections_check.h): New target.
11521         (check_PROGRAMS): Add many_sections_r_test.
11522         (many_sections_r_test_SOURCES): Define.
11523         (many_sections_r_test_DEPENDENCIES): Define.
11524         (many_sections_r_test_LDFLAGS): Define.
11525         (many_sections_r_test_LDADD): Define.
11526         (many_sections_r_test.o): New target.
11527         * testsuite/Makefile.in: Rebuild.
11528
11529 2008-04-17  Cary Coutant  <ccoutant@google.com>
11530
11531         * errors.cc (Errors::info): New function.
11532         (gold_info): New function.
11533         * errors.h (Errors::info): New function.
11534         * gold.h (gold_info): New function.
11535         * object.cc (Input_objects::add_object): Print trace output.
11536         * options.cc (options::parse_set): New function.
11537         (General_options::parse_wrap): Deleted.
11538         (General_options::General_options): Deleted initializer.
11539         * options.h (options::String_set): New typedef.
11540         (options::parse_set): New function.
11541         (DEFINE_set): New macro.
11542         (General_options::wrap): Changed to use DEFINE_set. Changed
11543         callers of any_wrap_symbols and is_wrap_symbol.
11544         (General_options::trace, General_options::trace_symbol):
11545         New options.
11546         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11547         (General_options::wrap_symbols_): Deleted.
11548         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11549
11550 2008-04-17  David S. Miller  <davem@davemloft.net>
11551
11552         * options.cc (General_options::parse_V): New function.
11553         * options.h: Add entries for -V and -Qy.
11554
11555 2008-04-17  Ian Lance Taylor  <iant@google.com>
11556
11557         * common.cc (Symbol_table::allocate_commons): Remove options
11558         parameter.  Change caller.
11559         (Symbol_table::do_allocate_commons): Remove options parameter.
11560         Change caller.  Just call do_allocate_commons_list twice.
11561         (Symbol_table::do_allocate_commons_list): New function, broken out
11562         of do_allocate_commons.
11563         * common.h (class Allocate_commons_task): Remove options_ field.
11564         Update constructor.
11565         * symtab.cc (Symbol_table::Symbol_table): Initialize
11566         tls_commons_.
11567         (Symbol_table::add_from_object): Put TLS common symbols on
11568         tls_commons_ list.
11569         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11570         which are IN_OUTPUT_DATA.
11571         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11572         allocate_commons and do_allocate_commons declarations.  Declare
11573         do_allocate_commons_list.
11574         * gold.cc (queue_middle_tasks): Update creation of
11575         Allocate_commons_task to not pass options.
11576         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11577         (TLS_TEST_C_FLAGS): New variable.
11578         (tls_test_c_pic.o): New target.
11579         (tls_test_shared.so): Link in tls_test_c_pic.o.
11580         (tls_test_c_pic_ie.o): New target.
11581         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11582         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11583         (tls_test_c.o): New target.
11584         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11585         (tls_pic_test_LDADD): Likewise.
11586         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11587         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11588         (tls_test_c_gnu2.o): New target.
11589         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11590         tls_test_c_gnu2.o.
11591         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11592         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11593         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11594         * testsuite/tls_test.cc: Include "config.h".
11595         (t_last): Call t11_last.
11596         * testsuite/tls_test.h (t11, t11_last): Declare.
11597         * testsuite/tls_test_c.c: New file.
11598         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11599         * configure.ac: Check for OpenMP support.
11600         * configure, config.in, Makefile.in: Rebuild.
11601         * testsuite/Makefile.in: Rebuild.
11602
11603 2008-04-16  Cary Coutant  <ccoutant@google.com>
11604
11605         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11606         (Target_i386::tls_base_symbol_defined_): New field.
11607         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11608         (Target_i386::Scan::global): Likewise.
11609         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11610         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11611         (Target_x86_64::tls_base_symbol_defined_): New field.
11612         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11613         (Target_x86_64::Scan::global): Likewise.
11614
11615 2008-04-16  Cary Coutant  <ccoutant@google.com>
11616
11617         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11618         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11619         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11620         building shared libraries.
11621         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11622         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11623         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11624         * testsuite/Makefile.in: Rebuild.
11625         * testsuite/weak_undef.h: New file.
11626         * testsuite/weak_undef_file1.cc: Add extra test cases.
11627         * testsuite/weak_undef_file2.cc: Likewise.
11628         * testsuite/weak_undef_test.cc: Likewise.
11629
11630 2008-04-16  David S. Miller  <davem@davemloft.net>
11631
11632         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11633         Add issued_non_pic_error_ field.  Declare check_non_pic.
11634         (Target_sparc::Scan::check_non_pic): New function.
11635         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11636         (Target_sparc::Scan::global): Likewise.
11637
11638         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11639         * configure: Rebuild.
11640
11641         * options.h (DEFINE_enable): New macro.
11642         (new_dtags): New enable option.
11643         (initfirst, interpose, loadfltr, nodefaultlib,
11644         nodelete, nodlopen, nodump): New -z options.
11645         * layout.cc (Layout:finish_dynamic_section): If new
11646         dtags enabled, emit DT_RUNPATH.  Also, emit a
11647         DT_FLAGS_1 containing any specified -z flags.
11648
11649 2008-04-16  Ian Lance Taylor  <iant@google.com>
11650
11651         * copy-relocs.cc: New file.
11652         * copy-relocs.h: New file.
11653         * reloc.cc: Remove Copy_relocs code.
11654         * reloc.h: Likewise.
11655         * reloc-types.h (struct Reloc_types) [both versions]: Add
11656         get_reloc_addend_noerror.
11657         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11658         variants of add_global which take an addend which must be zero.
11659         * i386.cc: Include "copy-relocs.h".
11660         (class Target_i386): Change type of copy_relocs_ to variable,
11661         update initializer.
11662         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11663         Change all callers.
11664         (Target_i386::do_finalize_sections): Change handling of
11665         copy_relocs_.
11666         * sparc.cc: Include "copy-relocs.h".
11667         (class Target_sparc): Change type of copy_relocs_ to variable,
11668         update initializer.
11669         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11670         Change all callers.
11671         (Target_sparc::do_finalize_sections): Change handling of
11672         copy_relocs_.
11673         * x86_64.cc: Include "copy-relocs.h".
11674         (class Target_x86_64): Change type of copy_relocs_ to variable,
11675         update initializer.
11676         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11677         class.  Change all callers.
11678         (Target_x86_64::do_finalize_sections): Change handling of
11679         copy_relocs_.
11680         * Makefile.am (CCFILES): Add copy-relocs.cc.
11681         (HFILES): Add copy-relocs.h.
11682
11683         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11684
11685         * testsuite/script_test_4.sh: Permit leading zeroes.
11686
11687 2008-04-15  Ian Lance Taylor  <iant@google.com>
11688
11689         * script-sections.cc (Script_sections::create_segments): Use
11690         header_size_adjustment even when there is enough room for the
11691         headers.
11692         * testsuite/script_test_4.sh: New file.
11693         * testsuite/script_test_4.t: New file.
11694         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11695         (check_DATA): Add script_test_4.stdout.
11696         (MOSTLYCLEANFILES): Likewise.
11697         (script_test_4): New target.
11698         (script_test_4.stdout): New target.
11699         * testsuite/Makefile.in: Rebuild.
11700
11701         * sparc.cc: Add definitions for Output_data_plt_sparc class
11702         constants.
11703
11704 2008-04-14  David S. Miller  <davem@davemloft.net>
11705
11706         * sparc.cc: New file.
11707         * Makefile.am (TARGETSOURCES): Add sparc.cc
11708         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11709         * configure.tgt: Document targ_extra_size and
11710         targ_extra_big_endian.  Add entries for sparc-* and
11711         sparc64-*.
11712         * configure.ac: Handle targ_extra_size and
11713         targ_extra_big_endian.
11714         * Makefile.in: Rebuild.
11715         * configure: Likewise.
11716         * po/POTFILES.in: Likewise.
11717         * po/gold.pot: Likewise.
11718
11719 2008-04-14  Ian Lance Taylor  <iant@google.com>
11720
11721         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11722         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11723         in the name/type/flags to section mapping.  Don't call
11724         allocate_output_section.
11725         (Layout::choose_output_section): Change parameter from adjust_name
11726         to is_input_section.  Don't permit input sections after sections
11727         are attached to segments.  Don't call allocate_output_section.
11728         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11729         not write_enable_output_section.
11730         (Layout::make_output_section): Don't push to
11731         unattached_section_list_ nor call attach_to_segment.  Call
11732         attach_section_to_segment if sections are attached.
11733         (Layout::attach_sections_to_segments): New function.
11734         (Layout::attach_section_to_segment): New function.
11735         (Layout::attach_allocated_section_to_segment): Rename from
11736         attach_to_segment.  Remove flags parameter.
11737         (Layout::allocate_output_section): Remove function.
11738         (Layout::write_enable_output_section): Remove function.
11739         * layout.h (class Layout): Update for above changes.  Add new
11740         field sections_are_attached_.
11741         * output.h (Output_section::update_flags_for_input_section): New
11742         function.
11743         * output.cc (Output_section::add_input_section): Call
11744         update_flags_for_input_section.
11745         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11746
11747 2008-04-11  Cary Coutant  <ccoutant@google.com>
11748
11749         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11750         thought unnecessary.
11751         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11752
11753 2008-04-11  Ian Lance Taylor  <iant@google.com>
11754
11755         * output.h (class Output_section_data): Remove inline definition
11756         of set_addralign.
11757         * output.cc (Output_section_data::set_addralign): New function.
11758
11759 2008-04-11  Cary Coutant  <ccoutant@google.com>
11760
11761         Add support for TLS descriptors for i386 and x86_64.
11762         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11763         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11764         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11765         GOT_TYPE_TLS_DESC.
11766         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11767         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11768         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11769         relocations.
11770         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11771         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11772         Fix problem with initial-exec relocations.
11773         (Target_i386::Relocate::relocate_tls): Likewise.
11774         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11775         relaxation.
11776         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11777         support for section-plus-offset dynamic table entries.
11778         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11779         (Output_data_dynamic::Dynamic_entry): Add support for
11780         section-plus-offset dynamic table entries.
11781         (Output_data_dynamic::Classification): Likewise.
11782         (Output_data_dynamic::classification_): Renamed offset_.
11783         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11784         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11785         (Target_x86_64::make_plt_section): New function.
11786         (Target_x86_64::reserve_tlsdesc_entries): New function.
11787         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11788         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11789         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11790         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11791         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11792         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11793         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11794         add extra PLT entry for TLS descriptors.
11795         (Output_data_plt_x86_64::got_): New field.
11796         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11797         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11798         fields.
11799         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11800         descriptors.
11801         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11802         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11803         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11804         R_386_TLS_DESC_CALL relocations.
11805         (Target_x86_64::Scan::global): Likewise.
11806         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11807         for TLS descriptors.
11808         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11809         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11810         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11811         GD-to-IE relaxation.
11812         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11813         and TLS_DESCRIPTORS.
11814         * Makefile.in: Rebuild.
11815         * configure: Rebuild.
11816         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11817         (tls_test_shared2.so): New target.
11818         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11819         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11820         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11821         (tls_shared_gd_to_ie_test_LDADD): New variable.
11822         (tls_shared_gnu2_gd_to_ie_test): New target.
11823         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11824         New targets.
11825         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11826         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11827         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11828         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11829         (tls_shared_gnu2_test): New target.
11830         (tls_test_gnu2_shared.so): New target.
11831         (tls_shared_gnu2_test_SOURCES): New variable.
11832         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11833         (tls_shared_gnu2_test_LDFLAGS): New variable.
11834         (tls_shared_gnu2_test_LDADD): New variable.
11835         * testsuite/Makefile.in: Rebuild.
11836         * testsuite/Makefile.
11837
11838 2008-04-11  Ian Lance Taylor  <iant@google.com>
11839
11840         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11841         justsyms.t.
11842         * testsuite/Makefile.in: Rebuild.
11843
11844         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11845         long.
11846         * testsuite/script_test_2.cc (main): Adjust test.
11847
11848 2008-04-11  David S. Miller  <davem@davemloft.net>
11849             Ian Lance Taylor  <iant@google.com>
11850
11851         * options.h (General_options): Add entries for '-Y' and
11852         '-relax'.
11853         * options.cc (General_options:finalize): If -Y was used, add those
11854         entries to the library path instead of the default "/lib" and
11855         "/usr/lib".
11856
11857 2008-04-11  David S. Miller  <davem@davemloft.net>
11858
11859         * testsuite/justsyms.t: Start at 0x100.
11860         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11861         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11862         long.
11863         * testsuite/script_test_2.cc: Adjust string and section length
11864         checks.
11865
11866 2008-04-09  Ian Lance Taylor  <iant@google.com>
11867
11868         PR gold/5996
11869         * script-sections.cc (Sections_element::allocate_to_segment): Add
11870         orphan parameter.
11871         (Output_section_definition::allocate_to_segment): Likewise.
11872         (Orphan_output_section::allocate_to_segment): Likewise.
11873         (Script_sections::attach_sections_using_phdrs_clause): Don't
11874         propagate non-PT_LOAD segments to orphan sections.
11875         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11876         readelf rather than objdump.
11877         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11878         .interp section and PT_INTERP segment are the same size.
11879         * testsuite/Makefile.in: Rebuild.
11880
11881         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11882         aliases for symbols defined in the same object.
11883         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11884         (weak_alias_test_SOURCES): New variable.
11885         (weak_alias_test_DEPENDENCIES): New variable.
11886         (weak_alias_test_LDFLAGS): New variable.
11887         (weak_alias_test_LDADD): New variable.
11888         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11889         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11890         (weak_alias_test_3.o): New target.
11891         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11892         * testsuite/weak_alias_test_main.cc: New file.
11893         * testsuite/weak_alias_test_1.cc: New file.
11894         * testsuite/weak_alias_test_2.cc: New file.
11895         * testsuite/weak_alias_test_3.cc: New file.
11896
11897 2008-04-08  Ian Lance Taylor  <iant@google.com>
11898
11899         * options.h (class General_options): Add --noinhibit-exec option.
11900         * main.cc (main): Check --noinhibit-exec.
11901
11902         * options.h (class General_options): Define --wrap as a special
11903         option.  Add wrap_symbols_ field.
11904         (General_options::any_wrap_symbols): New function.
11905         (General_options::is_wrap_symbol): New function.
11906         * options.cc (General_options::parse_wrap): New function.
11907         (General_options::General_options): Initialize wrap_symbols_.
11908         * symtab.cc (Symbol_table::wrap_symbol): New function.
11909         (Symbol_table::add_from_object): Handle --wrap.
11910         * symtab.h (class Symbol_table): Declare wrap_symbol.
11911         * target.h (Target::wrap_char): New function.
11912         (Target::Target_info): Add wrap_char field.
11913         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11914         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11915         * testsuite/testfile.cc (Target_test::test_target_info):
11916         Likewise.
11917
11918         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11919         there is one.
11920
11921         * layout.h (class Layout): Add added_eh_frame_data_ field.
11922         * layout.cc (Layout::Layout): Initialize new field.
11923         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11924         output section until we find a section we merged successfully.
11925         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11926         that the size be non-zero.
11927
11928         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11929         qualifier.
11930
11931 2008-04-08  Craig Silverstein  <csilvers@google.com>
11932
11933         * configure.ac: Export new conditional variable HAVE_ZLIB.
11934         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11935         on HAVE_ZLIB.
11936         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11937         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11938
11939 2008-04-07  Ian Lance Taylor  <iant@google.com>
11940
11941         * version.cc (version_string): Set to "1.5".
11942
11943         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11944         Add issued_non_pic_error_ field.  Declare check_non_pic.
11945         (Target_x86_64::Scan::check_non_pic): New function.
11946         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11947         (Target_x86_64::Scan::global): Likewise.
11948
11949         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11950         addend parameter.  Change caller.  Handle merge sections.
11951         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11952         Address to Addend.  Don't add in the result of
11953         local_section_offset, pass down the addend and use the returned
11954         value.
11955         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11956         Update declarations of local_section_offset and symbol_value.
11957         * testsuite/two_file_test_1.cc (t18): New function.
11958         * testsuite/two_file_test_2.cc (f18): New function.
11959         * testsuite/two_file_test_main.cc (main): Call t18.
11960         * testsuite/two_file_test.h (t18, f18): Declare.
11961
11962         * configure.ac: Don't test for objdump, c++filt, or readelf.
11963         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11964         conditionals.
11965         (TEST_READELF): New variable.
11966         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11967         (check_PROGRAMS): Add two_file_strip_test.
11968         (two_file_strip_test): New target.
11969         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11970         (two_file_same_shared_strip_test_SOURCES): New variable.
11971         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11972         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11973         (two_file_same_shared_strip_test_LDADD): New variable.
11974         (two_file_shared_strip.so): New target.
11975         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11976         (ver_test_5.syms, ver_test_7.syms): Likewise.
11977         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11978         (strip_test_3.stdout): Use TEST_OBJDUMP.
11979         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11980
11981 2008-04-04  Cary Coutant  <ccoutant@google.com>
11982
11983         * symtab.h (Symbol::is_weak_undefined): New function.
11984         (Symbol::is_strong_undefined): New function.
11985         (Symbol::is_absolute): New function.
11986         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11987         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11988         absolute symbols.
11989         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11990         (weak_undef_test): New target.
11991         * testsuite/Makefile.in: Rebuild.
11992         * testsuite/weak_undef_file1.cc: New file.
11993         * testsuite/weak_undef_file2.cc: New file.
11994         * testsuite/weak_undef_test.cc: New file.
11995
11996 2008-04-03  Craig Silverstein  <csilvers@google.com>
11997
11998         * compressed_output.h (class Output_compressed_section): Use
11999         unsigned buffer.
12000         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12001         add zlib header.
12002         (zlib_compressed_suffix): Removed.
12003         (Output_compressed_section::set_final_data_size): Use unsigned
12004         buffers.
12005         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12006         Fix linker invocation.
12007         (flagstest_o_specialfile_and_compress_debug_sections):
12008         Likewise.
12009         * testsuite/Makefile.in: Regenerated.
12010
12011 2008-04-02  David S. Miller  <davem@davemloft.net>
12012
12013         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12014         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12015
12016 2008-04-02  Craig Silverstein  <csilvers@google.com>
12017
12018         * TODO: New file.
12019
12020 2008-04-02  Ian Lance Taylor  <iant@google.com>
12021
12022         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12023         parameters.  Update for new key type to views_.  Change all
12024         callers.
12025         (File_read::read): Adjust for byteshift in returned view.
12026         (File_read::add_view): New function, broken out of
12027         find_and_make_view.
12028         (File_read::make_view): New function, broken out of
12029         find_and_make_view.
12030         (File_read::find_or_make_view): Add offset and aligned
12031         parameters.  Rewrite accordingly.  Change all callers.
12032         (File_read::get_view): Add offset and aligned parameters.  Adjust
12033         for byteshift in return value.
12034         (File_read::get_lasting_view): Likewise.
12035         * fileread.h (class File_read): Update declarations.
12036         (class File_read::View): Add byteshift_ field.  Add byteshift to
12037         constructor.  Add byteshift method.
12038         * archive.h (Archive::clear_uncached_views): New function.
12039         (Archive::get_view): Add aligned parameter.  Change all callers.
12040         * object.h (Object::get_view): Add aligned parameter.  Change all
12041         callers.
12042         (Object::get_lasting_view): Likewise.
12043
12044         * fileread.cc (File_read::release): Don't call clear_views if
12045         there are multiple objects.
12046         * fileread.h (File_read::clear_uncached_views): New function.
12047         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12048         on the archive.
12049
12050 2008-03-31  Cary Coutant  <ccoutant@google.com>
12051
12052         Add thin archive support.
12053         * archive.cc (Archive::armagt): New const.
12054         (Archive::setup): Remove task parameter and calls to unlock.
12055         (Archive::unlock_nested_archives): New function.
12056         (Archive::read_header): Add nested_off parameter. Change
12057         all callers.
12058         (Archive::interpret_header): Likewise.
12059         (Archive::include_all_members): Change to handle thin
12060         archives.
12061         (Archive::include_member): Likewise.
12062         * archive.h (Archive::Archive): Add new parameters and
12063         initializers.
12064         (Archive::armagt): New const.
12065         (Archive::setup): Remove task parameter.
12066         (Archive::unlock_nested_archives): New function.
12067         (Archive::read_header): Add nested_off parameter.
12068         (Archive::interpret_header): Likewise.
12069         (Archive::Nested_archive_table): New typedef.
12070         (Archive::is_thin_archive_): New field.
12071         (Archive::nested_archives_): New field.
12072         (Archive::options_): New field.
12073         (Archive::dirpath_): New field.
12074         (Archive::task_): New field.
12075         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12076         for thin archives.  Pass additional parameters to
12077         Archive::Archive.  Unlock the archive file after calling
12078         Archive::setup.
12079
12080 2008-03-29  Ian Lance Taylor  <iant@google.com>
12081
12082         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12083         version symbol to be local.
12084         * testsuite/ver_test_4.sh: New file.
12085         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12086         (check_DATA): Add ver_test_4.syms.
12087         (ver_test_4.syms): New target.
12088         * testsuite/Makefile.in: Rebuild.
12089
12090         * output.cc
12091         (Output_section::Input_section_sort_entry::has_priority): New
12092         function.
12093         (Output_section::Input_section_sort_entry::match_file_name): New
12094         function.
12095         (Output_section::Input_section_sort_entry::match_section_name):
12096         Remove.
12097         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12098         Remove.
12099         (Output_section::Input_section_sort_entry::match_section_file):
12100         Remove.
12101         (Output_section::Input_section_sort_compare::operator()): Rewrite
12102         using new Input_section_sort_entry functions.  Sort crtbegin and
12103         crtend first.  Sort sections with no priority before sections with
12104         a priority.
12105         * testsuite/initpri1.c (d3): Check j != 4.
12106         (cd5): New constructor/destructor function.
12107         (main): Check j != 2.
12108
12109         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12110         new symbol when resolving, don't call set_is_default.
12111         * testsuite/ver_test_7.cc: New file.
12112         * testsuite/ver_test_7.sh: New file.
12113         * testsuite/Makefile.am (ver_test_7.so): New target.
12114         (ver_test_7.o): New target.
12115         (check_SCRIPTS): Add ver_test_7.sh.
12116         (check_DATA): Add ver_test_7.syms.
12117         (ver_test_7.syms): New target.
12118
12119 2008-03-28  Ian Lance Taylor  <iant@google.com>
12120
12121         * layout.cc (Layout::layout): If we see an input section with a
12122         name that needs sorting, set the must_sort flag for the output
12123         section.
12124         (Layout::make_output_section): If the name of the output section
12125         indicates that it might require sorting, set the may_sort flag.
12126         * output.h (Output_section::may_sort_attached_input_sections): New
12127         function.
12128         (Output_section::set_may_sort_attached_input_sections): New
12129         function.
12130         (Output_section::must_sort_attached_input_sections): New
12131         function.
12132         (Output_section::set_must_sort_attached_input_sections): New
12133         function.
12134         (class Output_section): Declare Input_section_sort_entry.  Define
12135         Input_section_sort_compare.  Declare
12136         sort_attached_input_sections.  Add new fields:
12137         may_sort_attached_input_sections_,
12138         must_sort_attached_input_sections_,
12139         attached_input_sections_are_sorted_.
12140         * output.cc (Output_section::Output_section): Initialize new
12141         fields.
12142         (Output_section::add_input_section): Add an entry to
12143         input_sections_ if may_sort or must_sort are true.
12144         (Output_section::set_final_data_size): Call
12145         sort_attached_input_sections if necessary.
12146         (Output_section::Input_section_sort_entry): Define new class.
12147         (Output_section::Input_section_sort_compare::operator()): New
12148         function.
12149         (Output_section::sort_attached_input_sections): New function.
12150         * configure.ac: Check whether the compiler supports constructor
12151         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12152         * testsuite/initpri1.c: New file.
12153         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12154         CONSTRUCTOR_PRIORITY.
12155         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12156         (initpri1_LDFLAGS): New variable.
12157         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12158
12159 2008-03-27  Ian Lance Taylor  <iant@google.com>
12160
12161         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12162         * testsuite/common_test_1.c: New file.
12163         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12164         (common_test_1_SOURCES): New variable.
12165         (common_test_1_DEPENDENCIES): New variable.
12166         (common_test_1_LDFLAGS): New variable.
12167
12168         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12169         and commons_ correctly when NAME/VERSION does not override
12170         NAME/NULL.
12171         * testsuite/ver_test_6.c: New file.
12172         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12173         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12174         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12175
12176 2008-03-26  Ian Lance Taylor  <iant@google.com>
12177
12178         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12179         of an undefined symbol from a version script.
12180         * testsuite/Makefile.am (ver_test_5.so): New target.
12181         (ver_test_5.o): New target.
12182         (check_SCRIPTS): Add ver_test_5.sh.
12183         (check_DATA): Add ver_test_5.syms.
12184         (ver_test_5.syms): New target.
12185         * testsuite/ver_test_5.cc: New file.
12186         * testsuite/ver_test_5.script: New file.
12187         * testsuite/ver_test_5.sh: New file.
12188         * Makefile.in, testsuite/Makefile.in: Rebuild.
12189
12190         PR gold/5986
12191         Fix problems building gold with gcc 4.3.0.
12192         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12193         (gold_error_at_location, gold_warning_at_location): Use it.
12194         * configure.ac: Check whether we can compile and use a template
12195         function with a printf attribute.
12196         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12197         when jumping over bytes.
12198         * object.cc: Instantiate Object::read_section_data.
12199         * debug.h: Include <cstring>
12200         * dwarf_reader.cc: Include <algorithm>
12201         * main.cc: Include <cstring>.
12202         * options.cc: Include <cstring>.
12203         * output.cc: Include <cstring>.
12204         * script.cc: Include <cstring>.
12205         * script.h: Include <string>.
12206         * symtab.cc: Include <cstring> and <algorithm>.
12207         * target-select.cc: Include <cstring>.
12208         * version.cc: Include <string>.
12209         * testsuite/testmain.cc: Include <cstdlib>.
12210         * configure, config.in: Rebuild.
12211
12212 2008-03-25  Ian Lance Taylor  <iant@google.com>
12213
12214         * options.cc: Include "../bfd/bfdver.h".
12215         (options::help): Print bug reporting address.
12216
12217         * version.cc (print_version): Adjust output for current value of
12218         BFD_VERSION_STRING.
12219
12220         * NEWS: New file.
12221
12222         * options.cc (options::help): Print list of supported targets.
12223         * target-select.h: Include <vector>.
12224         (class Target_selector): Make machine_, size_, and is_big_endian_
12225         fields const.  Add bfd_name_ and instantiated_target_ fields.
12226         (Target_selector::Target_selector): Add bfd_name parameter.
12227         (Target_selector::recognize): Make non-virtual, call
12228         do_recognize.
12229         (Target_selector::recognize_by_name): Make non-virtual, call
12230         do_recognize_by_name.
12231         (Target_selector::supported_names): New function.
12232         (Target_selector::bfd_name): New function.
12233         (Target_selector::do_instantiate_target): New pure virtual
12234         function.
12235         (Target_selector::do_recognize): New virtual function.
12236         (Target_selector::do_recognize_by_name): New virtual function.
12237         (Target_selector::instantiate_target): New private function.
12238         (supported_target_names): Declare.
12239         * target-select.cc (Target_selector::Target_selector): Update for
12240         new parameter and fields.
12241         (select_target_by_name): Check that the name matches before
12242         calling recognize_by_name.
12243         (supported_target_names): New function.
12244         * i386.cc (class Target_selector_i386): Update Target_selector
12245         constructor call.  Remove recognize and recognize_by_name.  Add
12246         do_instantiate_target.
12247         * x86_64.cc (class Target_selector_x86_64): Likewise.
12248         * testsuite/testfile.cc (class Target_selector_test): Update for
12249         changes to Target_selector.
12250
12251         * README: Rewrite, with some notes on unsupported features.
12252
12253 2008-03-24  Cary Coutant  <ccoutant@google.com>
12254
12255         * i386.cc (Target_i386::Got_type): New enum declaration.
12256         (Target_i386::Scan::local): Updated callers of Output_data_got
12257         member functions.
12258         (Target_i386::Scan::global): Likewise.
12259         (Target_i386::Relocate::relocate): Likewise.
12260         (Target_i386::Relocate::relocate_tls): Likewise.
12261         * object.h (Got_offset_list): New class.
12262         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12263         (Sized_relobj::local_got_offset): Likewise.
12264         (Sized_relobj::set_local_got_offset): Likewise.
12265         (Sized_relobj::local_has_tls_got_offset): Removed.
12266         (Sized_relobj::local_tls_got_offset): Removed.
12267         (Sized_relobj::set_local_tls_got_offset): Removed.
12268         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12269         * output.cc (Output_data_got::add_global): Added got_type parameter.
12270         (Output_data_got::add_global_with_rel): Likewise.
12271         (Output_data_got::add_global_with_rela): Likewise.
12272         (Output_data_got::add_global_pair_with_rel): New function.
12273         (Output_data_got::add_global_pair_with_rela): New function.
12274         (Output_data_got::add_local): Added got_type parameter.
12275         (Output_data_got::add_local_with_rel): Likewise.
12276         (Output_data_got::add_local_with_rela): Likewise.
12277         (Output_data_got::add_local_pair_with_rel): New function.
12278         (Output_data_got::add_local_pair_with_rela): New function.
12279         (Output_data_got::add_global_tls): Removed.
12280         (Output_data_got::add_global_tls_with_rel): Removed.
12281         (Output_data_got::add_global_tls_with_rela): Removed.
12282         (Output_data_got::add_local_tls): Removed.
12283         (Output_data_got::add_local_tls_with_rel): Removed.
12284         (Output_data_got::add_local_tls_with_rela): Removed.
12285         * output.h (Output_data_got::add_global): Added got_type parameter.
12286         (Output_data_got::add_global_with_rel): Likewise.
12287         (Output_data_got::add_global_with_rela): Likewise.
12288         (Output_data_got::add_global_pair_with_rel): New function.
12289         (Output_data_got::add_global_pair_with_rela): New function.
12290         (Output_data_got::add_local): Added got_type parameter.
12291         (Output_data_got::add_local_with_rel): Likewise.
12292         (Output_data_got::add_local_with_rela): Likewise.
12293         (Output_data_got::add_local_pair_with_rel): New function.
12294         (Output_data_got::add_local_pair_with_rela): New function.
12295         (Output_data_got::add_global_tls): Removed.
12296         (Output_data_got::add_global_tls_with_rel): Removed.
12297         (Output_data_got::add_global_tls_with_rela): Removed.
12298         (Output_data_got::add_local_tls): Removed.
12299         (Output_data_got::add_local_tls_with_rel): Removed.
12300         (Output_data_got::add_local_tls_with_rela): Removed.
12301         * resolve.cc (Symbol::override_base_with_special): Removed
12302         reference to has_got_offset_ field.
12303         * symtab.cc (Symbol::init_fields): Replaced initialization
12304         of got_offset_ with got_offsets_.  Removed initialization
12305         of has_got_offset_
12306         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12307         (Symbol::got_offset): Likewise.
12308         (Symbol::set_got_offset): Likewise.
12309         (Symbol::has_tls_got_offset): Removed.
12310         (Symbol::tls_got_offset): Removed.
12311         (Symbol::set_tls_got_offset): Removed.
12312         (Symbol::got_offset_): Removed.
12313         (Symbol::tls_mod_got_offset_): Removed.
12314         (Symbol::tls_pair_got_offset_): Removed.
12315         (Symbol::got_offsets_): New field.
12316         (Symbol::has_got_offset): Removed.
12317         (Symbol::has_tls_mod_got_offset): Removed.
12318         (Symbol::has_tls_pair_got_offset): Removed.
12319         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12320         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12321         member functions.
12322         (Target_x86_64::Scan::global): Likewise.
12323         (Target_x86_64::Relocate::relocate): Likewise.
12324         (Target_x86_64::Relocate::relocate_tls): Likewise.
12325
12326 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12327
12328         * yyscript.y: Fix spelling error in comment.
12329
12330 2008-03-24  Ian Lance Taylor  <iant@google.com>
12331
12332         * options.h (class General_options): Define build_id option.
12333         * layout.h (class Layout): Declare write_build_id, create_note,
12334         create_build_id.  Add build_id_note_ member.
12335         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12336         "libiberty.h", "md5.h", "sha1.h".
12337         (Layout::Layout): Initialize eh_frame_data_,
12338         eh_frame_hdr_section_, and build_id_note_.
12339         (Layout::finalize): Call create_build_id.
12340         (Layout::create_note): New function, broken out of
12341         Layout::create_gold_note.
12342         (Layout::create_gold_note): Call create_note.
12343         (Layout::create_build_id): New function.
12344         (Layout::write_build_id): New function.
12345         (Close_task_runner::run): Call write_build_id.
12346
12347         * x86_64.cc: Correct license to GPLv3.
12348
12349 2008-03-23  Ian Lance Taylor  <iant@google.com>
12350
12351         * options.cc: Include "demangle.h".
12352         (parse_optional_string): New function.
12353         (parse_long_option): Handle takes_optional_argument.
12354         (parse_short_option): Update dash_z initializer.  Handle
12355         takes_optional_argument.
12356         (General_options::General_options): Initialize do_demangle_.
12357         (General_options::finalize): Set do_demangle_.  Handle demangling
12358         style.
12359         * options.h (parse_optional_string): Declare.
12360         (struct One_option): Add optional_arg field.  Update constructor.
12361         Update call constructor calls.  Add takes_optional_argument
12362         function.
12363         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12364         (DEFINE_optional_string): Define.
12365         (General_options::demangle): Change from DEFINE_bool to
12366         DEFINE_optional_string.
12367         (General_options::no_demangle): New function.
12368         (General_options::do_demangle): New function.
12369         (General_options::set_do_demangle): New function.
12370         (General_options::execstack_status_): Move definition to end of
12371         class definition.
12372         (General_options::static_): Likewise.
12373         (General_options::do_demangle_): New field.
12374         * object.cc (big_endian>::get_symbol_location_info): Call
12375         Options::do_demangle, not Options::demangle.
12376         * symtab.cc (demangle): Likewise.
12377
12378 2008-03-22  Ian Lance Taylor  <iant@google.com>
12379
12380         * gold.h: Include <cstddef> and <sys/types.h>
12381         * options.h: Include <cstring>.
12382
12383 2008-03-21  Ian Lance Taylor  <iant@google.com>
12384
12385         * Added source code to GNU binutils.