gold/ChangeLog

   1 2012-01-23  Ian Lance Taylor  <ian@airs.com>
   2
   3         PR gold/13617
   4         * i386.cc (Target_i386::do_code_fill): When using a jmp
   5         instruction, pad with nop instructions.
   6         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
   7
   8 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
   9
  10         * x86_64.cc (gc_process_relocs): Add typename on types used in
  11         template.
  12         (scan_relocs): Likewise.
  13         (relocate_section): Likewise.
  14         (apply_relocation): Likewise.
  15
  16 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
  17
  18         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
  19         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
  20         under x32.
  21
  22 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
  23
  24         * x86_64.cc: Initial support for x32.
  25
  26 2012-01-03  Cary Coutant  <ccoutant@google.com>
  27
  28         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  29         Use abstract base class for GOT.
  30         * gold/output.h (class Output_data_got_base): New abstract base class.
  31         (class Output_data_got): Derive from new base class, adjust ctors.
  32         (Output_data_got::reserve_slot): Make virtual; rename to
  33         do_reserve_slot; Adjust callers.
  34         * gold/target.h (Sized_target::init_got_plt_for_update): Return
  35         pointer to abstract base class.
  36         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
  37
  38 2011-12-18  Ian Lance Taylor  <iant@google.com>
  39
  40         * object.h (Relobj::local_symbol_value): New function.
  41         (Relobj::local_plt_offset): New function.
  42         (Relobj::local_has_got_offset): New function.
  43         (Relobj::local_got_offset): New function.
  44         (Relobj::set_local_got_offset): New function.
  45         (Relobj::do_local_symbol_value): New pure virtual function.
  46         (Relobj::do_local_plt_offset): Likewise.
  47         (Relobj::do_local_has_got_offset): Likewise.
  48         (Relobj::do_local_got_offset): Likewise.
  49         (Relobj::do_set_local_got_offset): Likewise.
  50         (Sized_relobj::do_local_has_got_offset): Rename from
  51         local_has_got_offset.
  52         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
  53         (Sized_relobj::do_set_local_got_offset): Rename from
  54         set_local_got_offset.
  55         (Sized_relobj_file::do_local_plt_offset): Rename from
  56         local_plt_offset.
  57         (Sized_relobj_file::do_local_symbol_value): New function.
  58         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
  59         local_plt_offset.
  60         * output.cc (Output_data_got::Got_entry::write): Change object to
  61         Relobj.  Use local_symbol_value.
  62         (Output_data_got::add_global_with_rel): Change rel_dyn to
  63         Output_data_reloc_generic*.  Use add_global_generic.
  64         (Output_data_got::add_global_with_rela): Remove.  Change all
  65         callers to use add_global_with_rel.
  66         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
  67         Output_data_reloc_generic*.  Use add_global_generic.
  68         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
  69         callers to use add_global_pair_with_rel.
  70         (Output_data_got::add_local): Change object to Relobj*.
  71         (Output_data_got::add_local_plt): Likewise.
  72         (Output_data_got::add_local_with_rel): Change object to Relobj*,
  73         change rel_dyn to Output_data_reloc_generic*.  Use
  74         add_local_generic.
  75         (Output_data_got::add_local_with_rela): Remove.  Change all
  76         callers to use all_local_with_rel.
  77         (Output_data_got::add_local_pair_with_rel): Change object to
  78         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
  79         add_output_section_generic.
  80         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
  81         callers to use add_local_pair_with_rel.
  82         (Output_data_got::reserve_local): Change object to Relobj*.
  83         * output.h: (class Output_data_reloc_generic): Add pure virtual
  84         declarations for add_global_generic, add_local_generic,
  85         add_output_section_generic.
  86         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
  87         functions for Output_data_reloc_generic.  Update declarations for
  88         changes listed in output.cc.
  89         (class Output_data_got): Change template parameter to got_size.
  90         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
  91         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
  92         function.
  93         (Sized_relobj_incr::do_local_plt_offset): New function.
  94         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
  95         add_global_generic.
  96
  97 2011-12-17  Cary Coutant  <ccoutant@google.com>
  98
  99         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 100         * resolve.cc (Symbol_table::resolve): Likewise.
 101         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 102         arrays.
 103         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 104
 105 2011-12-16  Ian Lance Taylor  <iant@google.com>
 106
 107         * output.h (Output_data_reloc_generic::add): Only call
 108         add_dynamic_reloc if this is a dynamic reloc section.
 109
 110 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 111
 112         PR gold/13505
 113         * target-reloc.h (apply_relocation): Replace <64, false> with
 114         <size, big_endian>.
 115
 116 2011-11-25  Nick Clifton  <nickc@redhat.com>
 117
 118         * po/it.po: New Italian translation.
 119
 120 2011-11-17  Sterling Augustine  <saugustine@google.com>
 121
 122         * script.cc (script_include_directive): Implement.
 123         (read_script_file): New local variables name and search_path. Update
 124         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 125         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 126         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 127
 128 2011-11-11  Sterling Augustine  <saugustine@google.com>
 129
 130         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 131         (file_or_sections_cmd): Likewise.
 132
 133 2011-11-11  Doug Kwan  <dougkwan@google.com>
 134
 135         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 136         if --just-symbols is given.
 137
 138 2011-11-10  Doug Kwan  <dougkwan@google.com>
 139
 140         PR gold/13362
 141         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 142         when processing data relocs.
 143         * reloc.h (Relocate_functions::rel_unaligned): New method.
 144         (Relocate_functions::pcrel_unaligned): Ditto.
 145         (Relocate_functions::rel32_unaligned): Ditto.
 146         (Relocate_functions::pcrel32_unaligned): Ditto.
 147
 148 2011-11-09  Doug Kwan  <dougkwan@google.com>
 149
 150         PR gold/13362
 151         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 152         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 153         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 154         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 155         (Relocate_functions::rel_unaligned): New.
 156         (Relocate_functions::rel32_unaligned): New.
 157         * target-reloc.h (relocate_for_relocatable): Add code to handle
 158         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 159         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 160         arm_unaligned_reloc_r): New targets.
 161         * testsuite/Makefile.in: Regenerate.
 162         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 163         linking.
 164
 165 2011-11-02  Ian Lance Taylor  <iant@google.com>
 166
 167         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 168         NATIVE_LINKER.
 169         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 170         * options.cc (General_options::finalize): Use library search path
 171         from configure script if specified.  If not native and no sysroot,
 172         only search TOOLLIBDIR.
 173         * options.h (Search_directory::Search_directory): Change name to
 174         const std::string&.
 175         (General_options::add_to_library_path_with_sysroot): Change arg to
 176         const std::string&.
 177         * configure, Makefile.in, config.in: Rebuild.
 178
 179 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 180
 181         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 182         we are working around the ARM1176 Erratum.
 183         * options.h (General_options::fix_arm1176): Add option.
 184         * testsuite/Makefile.am: Add testcases, and keep current ones
 185         working.
 186         * testsuite/Makefile.in: Regenerate.
 187         * testsuite/arm_fix_1176.s: New file.
 188         * testsuite/arm_fix_1176.sh: Likewise.
 189
 190 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 191
 192         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 193         may_use_blx_.
 194         (Target_arm::may_use_blx): Remove method.
 195         (Target_arm::set_may_use_blx): Likewise.
 196         (Target_arm::may_use_v4t_interworking): New method.
 197         (Target_arm::may_use_v5t_interworking): Likewise.
 198         (Target_arm::may_use_blx_): Remove member variable.
 199         (Arm_relocate_functions::arm_branch_common): Check for v5T
 200         interworking.
 201         (Arm_relocate_functions::thumb_branch_common): Likewise.
 202         (Reloc_stub::stub_type_for_reloc): Likewise.
 203         (Target_arm::do_finalize_sections): Correct interworking checks.
 204         * testsuite/Makefile.am: Add new tests.
 205         * testsuite/Makefile.in: Regenerate.
 206         * testsuite/arm_farcall_arm_arm.s: New test.
 207         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 208         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 209         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 210         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 211         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 212         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 213         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 214
 215 2011-10-31  Cary Coutant  <ccoutant@google.com>
 216
 217         PR gold/13023
 218         * expression.cc (Expression::eval_with_dot): Add
 219         is_section_dot_assignment parameter.
 220         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 221         absolute and assigning to dot within a section.
 222         * script-sections.cc
 223         (Output_section_element_assignment::set_section_addresses): Pass
 224         dot_section to set_if_absolute.
 225         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 226         as is_section_dot_assignment flag to eval_with_dot.
 227         (Output_section_element_dot_assignment::set_section_addresses):
 228         Likewise.
 229         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 230         parameter.  Also set value if relative to dot_section; set the
 231         symbol's output_section.
 232         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 233         parameter.  Adjust all callers.
 234         (Expression::eval_maybe_dot): Likewise.
 235         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 236         Adjust all callers.
 237         * testsuite/script_test_2.t: Test assignment of an absolute value
 238         to dot within an output section element.
 239
 240 2011-10-31  Cary Coutant  <ccoutant@google.com>
 241
 242         * options.h (class General_options): Add --[no-]gnu-unique options.
 243         * symtab.cc (Symbol_table::sized_write_globals): Convert
 244         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 245
 246 2011-10-31  Cary Coutant  <ccoutant@google.com>
 247
 248         PR gold/13359
 249         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 250         unnecessary assertion.
 251         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 252
 253 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 254
 255         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 256         gc_mark_symbol.
 257         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 258         gc_mark_symbol.
 259         Change to just keep the section associated with symbol.
 260         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 261         they are externally visible and --export-dynamic is turned on.
 262         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 263
 264 2011-10-19  Ian Lance Taylor  <iant@google.com>
 265
 266         PR gold/13163
 267         * script-sections.cc
 268         (Output_section_element_dot_assignment::needs_output_section): New
 269         function.
 270
 271 2011-10-19  Ian Lance Taylor  <iant@google.com>
 272
 273         PR gold/13204
 274         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 275         --section-start option was seen.
 276         * options.h (General_options::any_section_start): New function.
 277
 278 2011-10-18  David S. Miller  <davem@davemloft.net>
 279
 280         PR binutils/13301
 281         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 282         member to track relocation locations that have moved during TLS
 283         reloc optimizations.
 284         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 285         (Target_sparc::Relocate::relocate): Adjust view down by 4
 286         bytes if it matches reloc_adjust_addr_.
 287         (Target_sparc::Relocate::relocate_tls): Always move the
 288         __tls_get_addr call delay slot instruction forward 4 bytes when
 289         performing relaxation.
 290
 291 2011-10-18  Cary Coutant  <ccoutant@google.com>
 292
 293         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 294         (Output_file::map_no_anonymous): Check for non-zero
 295         return code from posix_fallocate.
 296
 297 2011-10-17  Cary Coutant  <ccoutant@google.com>
 298
 299         PR gold/13245
 300         * plugin.cc (is_visible_from_outside): Check for symbols
 301         referenced from dynamic objects.
 302         * resolve.cc (Symbol_table::resolve): Don't count references
 303         from dynamic objects as references from real ELF files.
 304         * testsuite/plugin_test_2.sh: Adjust expected result.
 305
 306 2011-10-17  Cary Coutant  <ccoutant@google.com>
 307
 308         * gold.cc: Include timer.h.
 309         (queue_middle_tasks): Stamp time.
 310         (queue_final_tasks): Likewise.
 311         * main.cc (main): Store timer in parameters.  Print timers
 312         for each pass.
 313         * parameters.cc (Parameters::Parameters): Initialize timer_.
 314         (Parameters::set_timer): New function.
 315         (set_parameters_timer): New function.
 316         * parameters.h (Parameters::set_timer): New function.
 317         (Parameters::timer): New function.
 318         (Parameters::timer_): New data member.
 319         (set_parameters_timer): New function.
 320         * timer.cc (Timer::stamp): New function.
 321         (Timer::get_pass_time): New function.
 322         * timer.h (Timer::stamp): New function.
 323         (Timer::get_pass_time): New function.
 324         (Timer::pass_times_): New data member.
 325
 326 2011-10-17  Cary Coutant  <ccoutant@google.com>
 327
 328         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 329         task for members of lib groups.
 330
 331 2011-10-17  Cary Coutant  <ccoutant@google.com>
 332
 333         PR gold/13288
 334         * fileread.cc (File_read::find_view): Add assert.
 335         (File_read::make_view): Move bounds check (replace with assert)...
 336         (File_read::find_or_make_view): ... to here.
 337
 338 2011-10-12  Cary Coutant  <ccoutant@google.com>
 339
 340         * output.cc (Output_file::open_base_file): Handle case where
 341         ::read returns less than requested size.
 342
 343 2011-10-10  Cary Coutant  <ccoutant@google.com>
 344
 345         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 346         Initialize defined_count_.
 347         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 348         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 349         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 350         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 351         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 352         * incremental.h (Sized_relobj_incr::defined_count_): New data
 353         member.
 354         (Sized_incr_dynobj::defined_count_): New data member.
 355         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 356         Return zeroes instead of internal error.
 357
 358 2011-10-10  Cary Coutant  <ccoutant@google.com>
 359
 360         PR gold/13249
 361         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 362         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 363         * output.h (class Output_reloc): Add use_plt_offset flag.
 364         (Output_reloc::type_): Adjust size of bit field.
 365         (Output_reloc::use_plt_offset_): New bit field.
 366         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 367         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 368         flag.  Adjust all callers.
 369         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 370         creating RELATIVE relocations.
 371
 372 2011-10-10  Nick Clifton  <nickc@redhat.com>
 373
 374         * po/es.po: Updated Spanish translation.
 375         * po/fi.po: Updated Finnish translation.
 376
 377 2011-10-03   Diego Novillo  <dnovillo@google.com>
 378
 379         * options.cc (parse_uint): Fix dereference of RETVAL.
 380
 381 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 382
 383         * layout.h (section_order_map_): New member.
 384         (get_section_order_map): New member function.
 385         * output.cc (Output_section::add_input_section): Check for patterns
 386         only when --section-ordering-file is specified.
 387         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 388         output_sections have been formed.
 389         * layout.cc (Layout_Layout): Initialize section_order_map_.
 390         * plugin.cc (update_section_order): Store order in order_map. Do not
 391         update the order.
 392         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 393         * testsuite/Makefile.in: Regenerate.
 394         * testsuite/plugin_section_order.c: New file.
 395         * testsuite/plugin_final_layout.cc: New file.
 396         * testsuite/plugin_final_layout.sh: New file.
 397
 398 2011-09-29  Cary Coutant  <ccoutant@google.com>
 399
 400         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 401         Check for NULL.
 402         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 403         symbols during incremental update.
 404         (Symbol_table::add_from_dynobj): Likewise.
 405
 406 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 407             Ian Lance Taylor  <iant@google.com>
 408
 409         * symtab.cc (Symbol_table::define_special_symbol): Always
 410         canonicalize version string.
 411
 412 2011-09-26  Cary Coutant  <ccoutant@google.com>
 413
 414         * gold.cc (queue_initial_tasks): Move option checks ...
 415         * options.cc (General_options::finalize): ... to here. Disable
 416         some options; make others fatal.
 417
 418 2011-09-26  Cary Coutant  <ccoutant@google.com>
 419
 420         gcc PR lto/47247
 421         * plugin.cc (get_symbols_v2): New function.
 422         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 423         (is_referenced_from_outside): New function.
 424         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 425         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 426         (get_symbols): Pass version parameter.
 427         (get_symbols_v2): New function.
 428         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 429         parameter.
 430         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 431         (onload): Add LDPT_GET_SYMBOLS_V2.
 432         (all_symbols_read_hook): Use get_symbols_v2; check for
 433         LDPR_PREVAILING_DEF_IRONLY_EXP.
 434         * testsuite/plugin_test_3.sh: Update expected results.
 435
 436 2011-09-23  Simon Baldwin  <simonb@google.com>
 437
 438         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 439         configuration options.
 440         * configure: Regenerate.
 441         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 442         * Makefile.in: Regenerate.
 443         * testsuite/Makefile.in: Regenerate.
 444
 445 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 446
 447         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 448
 449 2011-09-19  Cary Coutant  <ccoutant@google.com>
 450
 451         * incremental.cc (can_incremental_update): Fix typo in comment.
 452         * incremental.h (can_incremental_update): Likewise.
 453
 454 2011-09-18  Cary Coutant  <ccoutant@google.com>
 455
 456         * incremental.cc (can_incremental_update): New function.
 457         * incremental.h (can_incremental_update): New function.
 458         * layout.cc (Layout::init_fixed_output_section): Call it.
 459         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 460         * object.cc (Sized_relobj_file::do_layout): Call
 461         can_incremental_update.
 462
 463 2011-09-13  Cary Coutant  <ccoutant@google.com>
 464
 465         * configure.ac: Check for glibc support for gnu_indirect_function
 466         support with static linking, setting automake conditional
 467         IFUNC_STATIC.
 468         * Makefile.in: Regenerate.
 469         * configure: Regenerate.
 470
 471         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 472         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 473         for IFUNC_STATIC.
 474         * testsuite/Makefile.in: Regenerate.
 475
 476 2011-09-13  Cary Coutant  <ccoutant@google.com>
 477
 478         * incremental.cc (Sized_relobj_incr::do_layout): Call
 479         report_comdat_group for kept comdat sections.
 480         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 481         * testsuite/Makefile.in: Regenerate.
 482         * testsuite/incr_comdat_test_1.cc: New source file.
 483         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 484         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 485         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 486
 487 2011-09-13  Ian Lance Taylor  <iant@google.com>
 488
 489         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 490         variable external_symbols_offset.
 491
 492 2011-09-12  Ian Lance Taylor  <iant@google.com>
 493
 494         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 495         triggered if object has no symbols.
 496
 497 2011-09-09  David S. Miller  <davem@davemloft.net>
 498
 499         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 500         (Output_fill_debug_line::do_write): Likewise.
 501
 502 2011-08-29  Cary Coutant  <ccoutant@google.com>
 503
 504         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 505         casts to match formatting specs.
 506         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 507
 508 2011-08-26  Cary Coutant  <ccoutant@google.com>
 509
 510         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 511         remaining hole size when allocating.
 512         (Layout::make_output_section): Set fill methods for debug sections.
 513         * layout.h (Free_list::Free_list_node): Move from private to
 514         public.
 515         (Free_list::set_min_hole_size): New function.
 516         (Free_list::begin, Free_list::end): New functions.
 517         (Free_list::min_hole_): New data member.
 518         * output.cc: Include dwarf.h.
 519         (Output_fill_debug_info::do_minimum_hole_size): New function.
 520         (Output_fill_debug_info::do_write): New function.
 521         (Output_fill_debug_line::do_minimum_hole_size): New function.
 522         (Output_fill_debug_line::do_write): New function.
 523         (Output_section::Output_section): Initialize new data member.
 524         (Output_section::set_final_data_size): Ensure patch space is larger
 525         than minimum hole size.
 526         (Output_section::do_write): Fill holes in debug sections.
 527         * output.h (Output_fill): New class.
 528         (Output_fill_debug_info): New class.
 529         (Output_fill_debug_line): New class.
 530         (Output_section::set_free_space_fill): New function.
 531         (Output_section::free_space_fill_): New data member.
 532         * testsuite/Makefile.am (incremental_test_3): Add
 533         --incremental-patch option.
 534         (incremental_test_4): Likewise.
 535         (incremental_test_5): Likewise.
 536         (incremental_test_6): Likewise.
 537         (incremental_copy_test): Likewise.
 538         (incremental_common_test_1): Likewise.
 539         * testsuite/Makefile.in: Regenerate.
 540
 541 2011-08-26  Nick Clifton  <nickc@redhat.com>
 542
 543         * po/es.po: Updated Spanish translation.
 544
 545 2011-08-01  Cary Coutant  <ccoutant@google.com>
 546
 547         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 548         * gold/testsuite/Makefile.in: Regenerate.
 549         * gold/testsuite/justsyms_exec.c: New source file.
 550         * gold/testsuite/justsyms_lib.c: New source file.
 551
 552 2011-08-01  Cary Coutant  <ccoutant@google.com>
 553
 554         * layout.cc (Layout::set_segment_offsets): Don't realign text
 555         segment if -Ttext was specified.
 556         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 557         file type.
 558         * object.h (Sized_relobj_file::e_type): New function.
 559         (Sized_relobj_file::e_type_): New data member.
 560         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 561         base address for ET_EXEC files.
 562         * target.cc (Target::do_make_elf_object_implementation): Allow
 563         ET_EXEC files with --just-symbols option.
 564
 565 2011-07-28  Cary Coutant  <ccoutant@google.com>
 566
 567         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 568         Add thread_number parameter.
 569         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 570         * workqueue-threads.cc
 571         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 572         current thread if its thread number is greater than desired thread
 573         count.
 574         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 575         Add thread_number parameter.
 576         (Workqueue::should_cancel_thread): Likewise.
 577         (Workqueue::find_runnable_or_wait): Pass thread_number to
 578         should_cancel_thread.
 579         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 580         parameter.
 581
 582 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 583
 584         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 585         only after checking if it cannot be forced local.
 586         * symtab.h (is_externally_visible): Check if the symbol is not forced
 587         local.
 588
 589 2011-07-15  Ian Lance Taylor  <iant@google.com>
 590
 591         * options.h (class General_options): Add --print-output-format.
 592         Move -EL next to -EB, for  better --help output.
 593         * target-select.cc: Include <cstdio>, "options.h", and
 594         "parameters.h".
 595         (Target_selector::do_target_bfd_name): New function.
 596         (print_output_format): New function.
 597         * target-select.h (class Target_selector): Update declarations.
 598         (Target_selector::target_bfd_name): New function.
 599         (print_output_format): Declare.
 600         * main.cc: Include "target-select.h".
 601         (main): Handle --print-output-format.
 602         * gold.cc: Include "target-select.h".
 603         (queue_initial_tasks): Handle --print-output-format when there are
 604         no input files.
 605         * parameters.cc (parameters_force_valid_target): Give a better
 606         error message if -EB/-EL does not match target.
 607         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 608         function.
 609
 610 2011-07-15  Ian Lance Taylor  <iant@google.com>
 611
 612         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 613         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 614         (Output_data_plt_i386::do_write): Write address of .dynamic
 615         section to first entry in .got.plt section.
 616         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 617         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 618         Initialize layout_.
 619         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 620         section to first entry in .got.plt section.
 621         * layout.h (Layout::dynamic_section): New function.
 622
 623 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 624
 625         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 626         to claim_file call.
 627         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 628         input_section_position_, and input_section_glob_.
 629         (read_layout_from_file): Call function section_ordering_specified.
 630         * layout.h (is_section_ordering_specified): New function.
 631         (section_ordering_specified): New function.
 632         (section_ordering_specified_): New boolean member.
 633         * main.cc(main): Call load_plugins after layout object is defined.
 634         * output.cc (Output_section::add_input_section): Use
 635         function section_ordering_specified to check if section ordering is
 636         needed.
 637         * output.cc (Output_section::add_relaxed_input_section): Use
 638         function section_ordering_specified to check if section ordering is
 639         needed.
 640         (Output_section::update_section_layout): New function.
 641         (Output_section::sort_attached_input_sections): Check if input section
 642         must be reordered.
 643         * output.h (Output_section::update_section_layout): New function.
 644         * plugin.cc (get_section_count): New function.
 645         (get_section_type): New function.
 646         (get_section_name): New function.
 647         (get_section_contents): New function.
 648         (update_section_order): New function.
 649         (allow_section_ordering): New function.
 650         (Plugin::load): Add the new interfaces to the transfer vector.
 651         (Plugin_manager::load_plugins): New parameter.
 652         (Plugin_manager::all_symbols_read): New parameter.
 653         (Plugin_manager::claim_file): New parameter. Save the elf object for
 654         unclaimed objects.
 655         (Plugin_manager::get_elf_object): New function.
 656         (Plugin_manager::get_view): Change to directly use the bool to check
 657         if get_view is called from claim_file_hook.
 658         * plugin.h (input_objects): New function
 659         (Plugin__manager::load_plugins): New parameter.
 660         (Plugin_manager::claim_file): New parameter.
 661         (Plugin_manager::get_elf_object): New function.
 662         (Plugin_manager::in_claim_file_handler): New function.
 663         (Plugin_manager::in_claim_file_handler_): New member.
 664         (layout): New function.
 665         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 666         handler with an extra parameter. Make the elf object before calling
 667         claim_file handler.
 668         * testsuite/plugin_test.c (get_section_count): New function pointer.
 669         (get_section_type): New function pointer.
 670         (get_section_name): New function pointer.
 671         (get_section_contents): New function pointer.
 672         (update_section_order): New function pointer.
 673         (allow_section_ordering): New function pointer.
 674         (onload): Check if the new interfaces exist.
 675
 676 2011-07-13  Ian Lance Taylor  <iant@google.com>
 677
 678         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 679         relro section.
 680         * x86_64.cc (Target_x86_64::got_section): Likewise.
 681         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 682         (relro_now_test_SOURCES): New variable.
 683         (relro_now_test_DEPENDENCIES): New variable.
 684         (relro_now_test_LDFLAGS): New variable.
 685         (relro_now_test_LDADD): New variable.
 686         (relro_now_test.so): New target.
 687         * testsuite/Makefile.in: Rebuild.
 688
 689 2011-07-12  Ian Lance Taylor  <iant@google.com>
 690
 691         PR gold/12980
 692         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 693         GLOB_DAT relocation rather than a RELATIVE relocation for a
 694         protected symbol when creating a shared library.
 695         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 696         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 697         * testsuite/protected_main_1.cc (main): Test that protected
 698         function has same address.
 699
 700 2011-07-11  Ian Lance Taylor  <iant@google.com>
 701
 702         PR gold/12979
 703         * options.h (class General_options): Add -Bgroup.
 704         * options.cc (General_options::finalize): If -Bgroup is set,
 705         default to --unresolved-symbols=report-all.
 706         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 707         * target-reloc.h (issue_undefined_symbol_error): Handle
 708         --unresolved-symbols=report-all.
 709
 710 2011-07-08  Ian Lance Taylor  <iant@google.com>
 711
 712         PR gold/11985
 713         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 714         if linker script discards key sections.
 715         (Layout::create_dynamic_symtab): Likewise.
 716         (Layout::assign_local_dynsym_offsets): Likewise.
 717         (Layout::sized_create_version_sections): Likewise.
 718         (Layout::create_interp): Likewise.
 719         (Layout::finish_dynamic_section): Likewise.
 720         (Layout::set_dynamic_symbol_size): Likewise.
 721
 722 2011-07-08  Ian Lance Taylor  <iant@google.com>
 723
 724         PR gold/12386
 725         * options.h (class General_options): Add --unresolved-symbols.
 726         * target-reloc.h (issue_undefined_symbol_error): Check
 727         --unresolved-symbols.  Add comments.
 728
 729 2011-07-08  Ian Lance Taylor  <iant@google.com>
 730
 731         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 732         expression more complex.
 733
 734 2011-07-08  Ian Lance Taylor  <iant@google.com>
 735
 736         PR gold/11317
 737         * target-reloc.h (issue_undefined_symbol_error): New inline
 738         function, broken out of relocate_section.
 739         (relocate_section): Call issue_undefined_symbol_error.
 740         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 741         there is no TLS segment if we are about to issue an undefined
 742         symbol error.
 743         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 744
 745 2011-07-08  Ian Lance Taylor  <iant@google.com>
 746
 747         PR gold/12279
 748         * resolve.cc (Symbol_table::should_override): Add fromtype
 749         parameter.  Change all callers.  Give error when linking together
 750         TLS and non-TLS symbol.
 751         (Symbol_table::should_override_with_special): Add fromtype
 752         parameter.  Change all callers.
 753         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 754         there is no TLS segment if we have reported some errors.
 755         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 756
 757 2011-07-08  Ian Lance Taylor  <iant@google.com>
 758
 759         PR gold/12372
 760         * target.h (Target::plt_address_for_global): New function.
 761         (Target::plt_address_for_local): New function.
 762         (Target::plt_section_for_global): Remove.
 763         (Target::plt_section_for_local): Remove.
 764         (Target::do_plt_address_for_global): New virtual function.
 765         (Target::do_plt_address_for_local): New virtual function.
 766         (Target::do_plt_section_for_global): Remove.
 767         (Target::do_plt_section_for_local): Remove.
 768         (Target::register_global_plt_entry): Add Symbol_table and Layout
 769         parameters.
 770         * output.cc (Output_data_got::Got_entry::write): Use
 771         plt_address_for_global and plt_address_for_local.
 772         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 773         address of output section.
 774         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 775         got_irelative_, and irelative_count_ fields.  Update
 776         declarations.
 777         (Output_data_plt_i386::has_irelative_section): New function.
 778         (Output_data_plt_i386::entry_count): Add irelative_count_.
 779         (Output_data_plt_i386::set_final_data_size): Likewise.
 780         (class Target_i386): Add got_irelative_ and rel_irelative_
 781         fields.  Update declarations.
 782         (Target_i386::Target_i386): Initialize new fields.
 783         (Target_i386::do_plt_address_for_global): New function replacing
 784         do_plt_section_for_global.
 785         (Target_i386::do_plt_address_for_local): New function replacing
 786         do_plt_section_for_local.
 787         (Target_i386::got_section): Create got_irelative_.
 788         (Target_i386::rel_irelative_section): New function.
 789         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 790         fields.  Don't define __rel_iplt_{start,end}.
 791         (Output_data_plt_i386::add_entry): Add symtab and layout
 792         parameters.  Change all callers.  Use different PLT and GOT for
 793         IFUNC symbols.
 794         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 795         layout parameters.  Change all callers.  Use different PLT and
 796         GOT.
 797         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 798         (Output_data_plt_i386::rel_irelative): New function.
 799         (Output_data_plt_i386::address_for_global): New function.
 800         (Output_data_plt_i386::address_for_local): New function.
 801         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 802         IRELATIVE GOT when changing IFUNC GOT entries.
 803         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 804         reloc.
 805         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 806         if we didn't create an IRELATIVE GOT.
 807         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 808         plt_address_for_local.
 809         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 810         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 811         got_irelative_, and irelative_count_ fields.  Update
 812         declarations.
 813         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 814         Initialize new fields.  Remove symtab parameter.  Change all
 815         callers.
 816         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 817         irelative_count_.
 818         (Output_data_plt_x86_64::has_irelative_section): New function.
 819         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 820         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 821         fields.  Update declarations.
 822         (Target_x86_64::Target_x86_64): Initialize new fields.
 823         (Target_x86_64::do_plt_address_for_global): New function replacing
 824         do_plt_section_for_global.
 825         (Target_x86_64::do_plt_address_for_local): New function replacing
 826         do_plt_section_for_local.
 827         (Target_x86_64::got_section): Create got_irelative_.
 828         (Target_x86_64::rela_irelative_section): New function.
 829         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 830         all callers.  Don't create __rel_iplt_{start,end}.
 831         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 832         parameters.  Change all callers.  Use different PLT and GOT for
 833         IFUNC symbols.
 834         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 835         layout parameters.  Change all callers.  Use different PLT and
 836         GOT.
 837         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 838         parameters.  Change all callers.  Use different PLT and GOT for
 839         IFUNC symbols.
 840         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 841         (Output_data_plt_x86_64::rela_irelative): New function.
 842         (Output_data_plt_x86_64::address_for_global): New function.
 843         (Output_data_plt_x86_64::address_for_local): New function.
 844         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 845         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 846         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 847         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 848         parameters.
 849         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 850         reloc.
 851         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 852         symbols if we didn't create an IRELATIVE GOT.
 853         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 854         plt_address_for_local.
 855         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 856         * testsuite/ifuncvar1.c: New test file.
 857         * testsuite/ifuncvar2.c: New test file.
 858         * testsuite/ifuncvar3.c: New test file.
 859         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 860         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 861         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 862         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 863         * testsuite/Makefile.in: Rebuild.
 864
 865 2011-07-07  Cary Coutant  <ccoutant@google.com>
 866
 867         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 868         (two_file_test_1_ndebug.o): Likewise.
 869         (two_file_test_1b_ndebug.o): Likewise.
 870         (two_file_test_2_ndebug.o): Likewise.
 871         (two_file_test_main_ndebug.o): Likewise.
 872         (incremental_test_2): Link with no-debug versions.
 873
 874 2011-07-06  Cary Coutant  <ccoutant@google.com>
 875
 876         * gold/incremental.cc
 877         (Output_section_incremental_inputs::write_info_blocks): Check for
 878         hidden and internal symbols.
 879
 880 2011-07-06  Cary Coutant  <ccoutant@google.com>
 881
 882         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 883         Check disposition for startup file.
 884         (Incremental_inputs::report_command_line): Ignore
 885         --incremental-startup-unchanged option.
 886         * options.cc (General_options::parse_incremental_startup_unchanged):
 887         New function.
 888         (General_options::General_options): Initialize new data member.
 889         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 890         (General_options): Add --incremental-startup-unchanged option.
 891         (General_options::incremental_startup_disposition): New function.
 892         (General_options::incremental_startup_disposition_): New data member.
 893
 894 2011-07-06  Cary Coutant  <ccoutant@google.com>
 895
 896         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 897         input file index to Script_info ctor.
 898         (Sized_incremental_binary::do_file_has_changed): Find the
 899         command-line argument for files named in scripts.
 900         * incremental.h (Script_info::Script_info): New ctor
 901         with input file index.
 902         (Script_info::input_file_index): New function.
 903         (Script_info::input_file_index_): New data member.
 904         (Incremental_binary::get_library): Add const.
 905         (Incremental_binary::get_script_info): Add const.
 906         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 907         * testsuite/Makefile.am (incremental_test_5): New test case.
 908         (incremental_test_6): New test case.
 909         * testsuite/Makefile.in: Regenerate.
 910
 911 2011-07-06  Cary Coutant  <ccoutant@google.com>
 912
 913         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 914         debug output when command lines differ.
 915
 916 2011-07-06  Cary Coutant  <ccoutant@google.com>
 917
 918         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 919         --incremental-patch option.
 920         * layout.cc (Free_list::allocate): Extend allocation beyond original
 921         end if enabled.
 922         (Layout::make_output_section): Mark sections that should get
 923         patch space.
 924         * options.cc (parse_percent): New function.
 925         * options.h (parse_percent): New function.
 926         (DEFINE_percent): New macro.
 927         (General_options): Add --incremental-patch option.
 928         * output.cc (Output_section::Output_section): Initialize new data
 929         members.
 930         (Output_section::add_input_section): Print section name when out
 931         of patch space.
 932         (Output_section::add_output_section_data): Likewise.
 933         (Output_section::set_final_data_size): Add patch space when
 934         doing --incremental-full.
 935         (Output_section::do_reset_address_and_file_offset): Remove patch
 936         space.
 937         (Output_segment::set_section_list_addresses): Print debug output
 938         only if --incremental-update.
 939         * output.h (Output_section::set_is_patch_space_allowed): New function.
 940         (Output_section::is_patch_space_allowed_): New data member.
 941         (Output_section::patch_space_): New data member.
 942         * parameters.cc (Parameters::incremental_full): New function.
 943         * parameters.h (Parameters::incremental_full): New function
 944         * testsuite/Makefile.am (incremental_test_2): Add test for
 945         --incremental-patch option.
 946         * testsuite/Makefile.in: Regenerate.
 947         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 948         (t18): Remove function body.
 949
 950 2011-07-05  Doug Kwan  <dougkwan@google.com>
 951
 952         PR gold/12771
 953         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 954         Arm_Address type for relocation result.
 955         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 956         overflow check.
 957         (Arm_relocate_functions::abs32): Use unaligned access.
 958         (Arm_relocate_functions::rel32): Ditto.
 959         (Arm_relocate_functions::prel31): Ditto.
 960         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 961         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 962         static data relocations.
 963         * testsuite/Makefile.in: Regnerate.
 964         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 965
 966 2011-07-05  Ian Lance Taylor  <iant@google.com>
 967
 968         PR gold/12392
 969         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 970         symbols if necessary.
 971         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 972
 973 2011-07-05  Ian Lance Taylor  <iant@google.com>
 974
 975         PR gold/12952
 976         * resolve.cc (Symbol::override_base_with_special): Simply override
 977         version with special symbol version, ignoring previous version.
 978
 979 2011-07-05  Ian Lance Taylor  <iant@google.com>
 980
 981         * object.cc (Sized_relobj_file::include_section_group): Add
 982         information to comment about signature location.
 983
 984 2011-07-02  Ian Lance Taylor  <iant@google.com>
 985
 986         PR gold/12957
 987         * options.h (class General_options): Add -f and -F.
 988         * options.cc (General_options::finalize): Fatal error if -f/-F
 989         are used without -shared.
 990         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 991
 992 2011-07-02  Ian Lance Taylor  <iant@google.com>
 993
 994         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 995
 996 2011-07-01  Ian Lance Taylor  <iant@google.com>
 997
 998         PR gold/12525
 999         PR gold/12952
1000         * resolve.cc (Symbol::override_base_with_special): Don't override
1001         the version if the overriding symbol has a different name.
1002         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1003         all callers.  If we give an error about an undefined version,
1004         define the base version if necessary.
1005         * dynobj.h (class Versions): Update declaration.
1006         * testsuite/weak_alias_test_5.cc: New file.
1007         * testsuite/weak_alias_test.script: New file.
1008         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1009         and versioned_alias have the right value, and call t2.
1010         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1011         weak_alias_test_5.so.
1012         (weak_alias_test_LDADD): Likewise.
1013         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1014         * testsuite/Makefile.in: Rebuild.
1015
1016 2011-07-01  Ian Lance Taylor  <iant@google.com>
1017
1018         PR gold/12525
1019         * options.h (class General_options): Support -z notext.
1020         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1021         -Wl,-z,notext.
1022         (two_file_shared_nonpic.so): Likewise.
1023         (two_file_shared_mixed.so): Likewise.
1024         (two_file_shared_mixed_1.so): Likewise.
1025         (weak_undef_lib_nonpic.so): Likewise.
1026         (alt/weak_undef_lib_nonpic.so): Likewise.
1027         (tls_test_shared_nonpic.so): Likewise.
1028         * testsuite/Makefile.in: Rebuild.
1029
1030 2011-07-01  Ian Lance Taylor  <iant@google.com>
1031
1032         PR gold/12525
1033         * configure.ac: Test whether static linking works, setting
1034         the automake conditional HAVE_STATIC.
1035         * testsuite/Makefile.am: Disable tests using -static if
1036         HAVE_STATIC is not true.
1037         * configure, testsuite/Makefile.in: Rebuild.
1038
1039 2011-07-01  Ian Lance Taylor  <iant@google.com>
1040
1041         PR gold/12525
1042         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1043         Assert if we see DW_EH_PE_indirect.
1044         * target.h (Target::ehframe_datarel_base): New function.
1045         (Target::do_ehframe_datarel_base): New target function.
1046         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1047         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1048         function.
1049
1050 2011-07-01  Ian Lance Taylor  <iant@google.com>
1051
1052         PR gold/12571
1053         * options.h (class General_options): Add
1054         --ld-generated-unwind-info.
1055         * ehframe.cc (Fde::write): Add address parameter.  Change all
1056         callers.  If associated with PLT, fill in address and size.
1057         (Cie::set_output_offset): Only add merge mapping if there is an
1058         object.
1059         (Cie::write): Add address parameter.  Change all callers.
1060         (Eh_frame::add_ehframe_for_plt): New function.
1061         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1062         input_offset_ fields into union u_, with new plt field.
1063         (Fde::Fde): Adjust for new union field.
1064         (Fde::Fde) [Output_data version]: New constructor.
1065         (Fde::add_mapping): Only add merge mapping if there is an object.
1066         (class Cie): Update declarations.
1067         (class Eh_frame): Declare add_ehframe_for_plt.
1068         * layout.cc (Layout::layout_eh_frame): Break out code into
1069         make_eh_frame_section, and call it.
1070         (Layout::make_eh_frame_section): New function.
1071         (Layout::add_eh_frame_for_plt): New function.
1072         * layout.h (class Layout): Update declarations.
1073         * merge.cc (Merge_map::add_mapping): Add assertion.
1074         * i386.cc: Include "dwarf.h".
1075         (class Output_data_plt_i386): Make first_plt_entry,
1076         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1077         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1078         and plt_eh_frame_fde.
1079         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1080         boundary.  Call add_eh_frame_for_plt if appropriate.
1081         * x86_64.cc: Include "dwarf.h".
1082         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1083         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1084         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1085         and plt_eh_frame_fde.
1086         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1087         appropriate.
1088
1089 2011-06-29  Ian Lance Taylor  <iant@google.com>
1090
1091         PR gold/12629
1092         * object.cc (Sized_relobj_file::layout_section): Change shdr
1093         parameter to be const.
1094         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1095         out of do_layout.
1096         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1097         appropriate.  Call layout_eh_frame_section.
1098         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1099         sections.
1100         * object.h (class Sized_relobj_file): Update declarations.
1101
1102 2011-06-29  Ian Lance Taylor  <iant@google.com>
1103
1104         PR gold/12652
1105         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1106         modifier.
1107         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1108
1109 2011-06-29  Ian Lance Taylor  <iant@google.com>
1110
1111         PR gold/12675
1112         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1113         SHT_X86_64_UNWIND.
1114         * layout.cc (Layout::layout_eh_frame): Likewise.
1115
1116 2011-06-29  Ian Lance Taylor  <iant@google.com>
1117
1118         PR gold/12695
1119         * layout.cc (Layout::symtab_section_shndx): New function.
1120         * layout.h (class Layout): Declare symtab_section_shndx.
1121         * output.cc (Output_section::write_header): Call it.
1122
1123 2011-06-29  Ian Lance Taylor  <iant@google.com>
1124
1125         PR gold/12818
1126         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1127         symbols which are not used in a relocation.
1128
1129 2011-06-28  Ian Lance Taylor  <iant@google.com>
1130
1131         PR gold/12898
1132         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1133         script create indistinguishable segments.
1134         (Layout::set_segment_offsets): Use stable_sort when sorting
1135         segments.  Pass this to Compare_segments constructor.
1136         * layout.h (class Layout): Make segment_precedes non-static.
1137         (class Compare_segments): Change from struct to class.  Add
1138         layout_ field.  Add constructor.
1139         * script-sections.cc
1140         (Script_sections::attach_sections_using_phdrs_clause): Rename
1141         local orphan to is_orphan.  Don't report failure to put empty
1142         section in segment.  On attachment failure, report name of
1143         section, and attach to first PT_LOAD segment.
1144
1145 2011-06-28  Ian Lance Taylor  <iant@google.com>
1146
1147         PR gold/12934
1148         * target-select.cc (Target_selector::Target_selector): Add
1149         emulation parameter.  Change all callers.
1150         (select_target_by_bfd_name): Rename from select_target_by_name.
1151         Change all callers.
1152         (select_target_by_emulation): New function.
1153         (supported_emulation_names): New function.
1154         * target-select.h (class Target_selector): Add emulation_ field.
1155         Update declarations.
1156         (Target_selector::recognize_by_bfd_name): Rename from
1157         recognize_by_name.  Change all callers.
1158         (Target_selector::supported_bfd_names): Rename from
1159         supported_names.  Change all callers.
1160         (Target_selector::recognize_by_emulation): New function.
1161         (Target_selector::supported_emulations): New function.
1162         (Target_selector::emulation): New function.
1163         (Target_selector::do_recognize_by_bfd_name): Rename from
1164         do_recognize_by_name.  Change all callers.
1165         (Target_selector::do_supported_bfd_names): Rename from
1166         do_supported_names.  Change all callers.
1167         (Target_selector::do_recognize_by_emulation): New function.
1168         (Target_selector::do_supported_emulations): New function.
1169         (select_target_by_bfd_name): Change name in declaration.
1170         (select_target_by_emulation): Declare.
1171         (supported_emulation_names): Declare.
1172         * parameters.cc (parameters_force_valid_target): Try to find
1173         target based on emulation from -m option.
1174         * options.h (class General_options): Change doc string for -m.
1175         * options.cc (help): Print emulations.
1176         (General_options::parse_V): Likewise.
1177         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1178         Add emulation parameter.  Change all callers.
1179
1180 2011-06-28  Ian Lance Taylor  <iant@google.com>
1181
1182         * target.h (class Target): Add osabi_ field.
1183         (Target::osabi): New function.
1184         (Target::set_osabi): New function.
1185         (Target::Target): Initialize osabi_.
1186         (Target::do_adjust_elf_header): Make pure virtual.
1187         (Sized_target::do_adjust_elf_header): Declare.
1188         * target.cc (Sized_target::do_adjust_elf_header): New function.
1189         (class Sized_target): Instantiate all versions.
1190         * freebsd.h (class Target_freebsd): Remove.
1191         (Target_selector_freebsd::do_recognize): Call set_osabi on
1192         Target.
1193         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1194         (Target_selector_freebsd::set_osabi): Remove.
1195         * i386.cc (class Target_i386): Inherit from Sized_target rather
1196         than Target_freebsd.
1197         * x86_64.cc (class Target_x86_64): Likewise.
1198
1199 2011-06-28  Ian Lance Taylor  <iant@google.com>
1200
1201         * target.h (Target::can_check_for_function_pointers): Rewrite.
1202         Make non-virtual.
1203         (Target::can_icf_inline_merge_sections): Likewise.
1204         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1205         (Target::Target_info): Add can_icf_inline_merge_sections field.
1206         (Target::do_can_check_for_function_pointers): New virtual
1207         function.
1208         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1209         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1210         from can_check_for_function_pointers, move in file.
1211         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1212         section_may_have_icf_unsafe_poineters, move in file.
1213         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1214         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1215         Rename from can_check_for_function_pointers, move in file.
1216         (Target_i386::can_icf_inline_merge_sections): Remove.
1217         (Target_i386::i386_info): Initialize
1218         can_icf_inline_merge_sections.
1219         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1220         Initialize can_icf_inline_merge_sections.
1221         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1222         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1223         Rename from can_check_for_function_pointers, move in file.
1224         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1225         (Target_x86_64::x86_64_info): Initialize
1226         can_icf_inline_merge_sections.
1227         * testsuite/testfile.cc (Target_test::test_target_info):
1228         Likewise.
1229         * icf.cc (get_section_contents): Correct formatting.
1230
1231 2011-06-27  Ian Lance Taylor  <iant@google.com>
1232
1233         * symtab.cc (Symbol::versioned_name): New function.
1234         (Symbol_table::add_to_final_symtab): Use versioned_name when
1235         appropriate.
1236         (Symbol_table::sized_write_symbol): Likewise.
1237         * symtab.h (class Symbol): Declare versioned_name.
1238         * stringpool.h (class Stringpool_template): Add variant of add
1239         which takes a std::basic_string.
1240         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1241         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1242         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1243         (ver_test_12.o): New target.
1244         * testsuite/Makefile.in: Rebuild.
1245
1246 2011-06-27  Doug Kwan  <dougkwan@google.com>
1247
1248         * arm.cc (Arm_relocate_functions::thm_jump8,
1249         Arm_relocate_functions::thm_jump11): Use a wider signed
1250         type to compute offset.
1251         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1252         arm_thm_jump8.
1253         * testsuite/Makefile.in: Regenerate.
1254         * testsuite/arm_branch_in_range.sh: Check test results of
1255         arm_thm_jump11 and arm_thm_jump8.
1256         * testsuite/arm_thm_jump11.s: New test source file.
1257         * testsuite/arm_thm_jump11.t: New linker script.
1258         * testsuite/arm_thm_jump8.s: New test source file.
1259         * testsuite/arm_thm_jump8.t: New linker script.
1260
1261 2011-06-24  Ian Lance Taylor  <iant@google.com>
1262
1263         * layout.cc: Include "object.h".
1264         (ctors_sections_in_init_array): New static variable.
1265         (Layout::is_ctors_in_init_array): New function.
1266         (Layout::layout): Add entry to ctors_sections_in_init_array if
1267         appropriate.
1268         * layout.h (class Layout): Declare is_ctors_in_init_array.
1269         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1270         is_ctors_reverse_view is set.
1271         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1272         all callers.  Set is_ctors_reverse_view field of View_size.
1273         (Sized_relobj_file::reverse_words): New function.
1274         * object.h (Sized_relobj_file::View_size): Add
1275         is_ctors_reverse_view field.
1276         (class Sized_relobj_file): Update declarations.
1277         * testsuite/initpri3.c: New test.
1278         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1279         initpri3b.
1280         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1281         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1282         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1283         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1284         * testsuite/Makefile.in: Rebuild.
1285
1286 2011-06-24  Cary Coutant  <ccoutant@google.com>
1287
1288         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1289         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1290         (debug_msg_cdebug.err): New targets.
1291         * testsuite/Makefile.in: Regenerate.
1292         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1293         Fix checks for link with shared library.
1294
1295 2011-06-24  Doug Kwan  <dougkwan@google.com>
1296
1297         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1298         skip empty text sections.
1299         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1300
1301 2011-06-22  Ian Lance Taylor  <iant@google.com>
1302
1303         PR gold/12910
1304         * options.h (class General_options): Add --ctors-in-init-array.
1305         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1306         friends as SHT_PROGBITS for merging sections.
1307         (Layout::layout): Remove special handling of .init_array and
1308         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1309         and .dtors if ctors_in_init_array.
1310         (Layout::make_output_section): Force correct section types for
1311         .init_array and friends.  Don't sort if doing relocatable link,
1312         Don't sort .ctors and .dtors if ctors_in_init_array.
1313         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1314         (Layout::output_section_name): Add relobj parameter.  Change all
1315         callers.  Handle .ctors. and .dtors. in code rather than table.
1316         Handle .ctors and .dtors if ctors_in_init_array.
1317         (Layout::match_file_name): New function, moved from output.cc.
1318         * layout.h (class Layout): Update declarations.
1319         * output.cc: Include "layout.h".
1320         (Input_section_sort_entry::get_priority): New function.
1321         (Input_section_sort_entry::match_file_name): Just call
1322         Layout::match_file_name.
1323         (Output_section::Input_section_sort_init_fini_compare::operator()):
1324         Handle .ctors and .dtors.  Sort by explicit priority rather than
1325         by name.
1326         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1327         * testsuite/initpri2.c: New test.
1328         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1329         (check_PROGRAMS): Add initpri2.
1330         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1331         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1332         * configure, testsuite/Makefile.in: Rebuild.
1333
1334 2011-06-19  Ian Lance Taylor  <iant@google.com>
1335
1336         PR gold/12880
1337         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1338         .interp section to a PT_INTERP segment even if we have seen a
1339         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1340         clause in a linker script.
1341         (Layout::finalize): Don't create a .interp section if we've
1342         already create a PT_INTERP segment.
1343         (Layout::create_interp): Always call choose_output_section (revert
1344         patch of 2011-06-17).  Don't create PT_INTERP segment.
1345         * script-sections.cc
1346         (Script_sections::create_note_and_tls_segments): Add a .interp
1347         section to a PT_INTERP segment even if we have seen a
1348         --dynamic-linker option.
1349
1350 2011-06-18  Ian Lance Taylor  <iant@google.com>
1351
1352         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1353         merely because a non-PT_LOAD segment has a dynamic reloc.
1354
1355 2011-06-18  Ian Lance Taylor  <iant@google.com>
1356
1357         * layout.cc (Layout::finish_dynamic_section): Don't create
1358         DT_FLAGS entry if not needed.
1359
1360 2011-06-18  Ian Lance Taylor  <iant@google.com>
1361
1362         PR gold/12745
1363         * layout.cc (Layout::layout_eh_frame): Correct handling of
1364         writable .eh_frame section.
1365
1366 2011-06-17  Ian Lance Taylor  <iant@google.com>
1367
1368         PR gold/12893
1369         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1370         symbol is redefined with the exact same object and value.
1371
1372 2011-06-17  Ian Lance Taylor  <iant@google.com>
1373
1374         PR gold/12880
1375         * layout.h (class Layout): Add interp_segment_ field.
1376         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1377         (Layout::attach_allocated_section_to_segment): If making shared
1378         library, put .interp section in PT_INTERP segment.
1379         (Layout::finalize): Also call create_interp if -dynamic-linker
1380         option was used.
1381         (Layout::create_interp): Assert that there is no PT_INTERP
1382         segment.  If not using a SECTIONS clause, use make_output_section.
1383         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1384         * script-sections.cc
1385         (Script_sections::create_note_and_tls_segments): If making shared
1386         library, put .interp section in PT_INTERP segment.
1387
1388 2011-06-17  Ian Lance Taylor  <iant@google.com>
1389
1390         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1391         when making a shared library.
1392
1393 2011-06-17  Ian Lance Taylor  <iant@google.com>
1394
1395         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1396         parameter.  Change all callers.  Don't issue warning about PC32
1397         against locally defined symbol.
1398
1399 2011-06-16  Ian Lance Taylor  <iant@google.com>
1400
1401         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1402         occurs in same object.
1403
1404 2011-06-14  Alan Modra  <amodra@gmail.com>
1405
1406         * po/POTFILES.in: Regenerate.
1407
1408 2011-06-09  Ian Lance Taylor  <iant@google.com>
1409
1410         * script-sections.cc
1411         (Orphan_output_section::set_section_addresses): For a relocatable
1412         link set address to 0.
1413
1414 2011-06-09  Cary Coutant  <ccoutant@google.com>
1415
1416         PR gold/12804
1417         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1418         used with --compress-debug-sections.
1419         * gold/object.cc (Sized_relobj_file::do_layout): Report
1420         uncompressed size of compressed input sections.
1421
1422 2011-06-08  Cary Coutant  <ccoutant@google.com>
1423
1424         PR gold/12804
1425         * testsuite/two_file_test_2_v1.cc: Change initialization of
1426         v2 to keep it in .data.
1427
1428 2011-06-07  Cary Coutant  <ccoutant@google.com>
1429
1430         * common.cc (Symbol_table::do_allocate_commons_list): Call
1431         gold_fallback.
1432         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1433         (Errors::fallback): New function.
1434         (gold_fallback): New function.
1435         * errors.h (Errors::fallback): New function.
1436         * gold.cc (gold_exit): Change status parameter to enum; adjust
1437         all callers.
1438         (queue_initial_tasks): Call gold_fallback.
1439         * gold.h: Include cstdlib.
1440         (Exit_status): New enum type.
1441         (gold_exit): Change status parameter to enum.
1442         (gold_fallback): New function.
1443         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1444         (Layout::create_symtab_sections): Likewise.
1445         (Layout::create_shdrs): Likewise.
1446         * main.cc (main): Adjust call to gold_exit.
1447         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1448         (Output_data_got::add_got_entry_pair): Likewise.
1449         (Output_section::add_input_section): Likewise.
1450         (Output_section::add_output_section_data): Likewise.
1451         (Output_segment::set_section_list_addresses): Likewise.
1452         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1453
1454 2011-06-07  Cary Coutant  <ccoutant@google.com>
1455
1456         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1457         for incremental links.
1458         * output.cc (Output_segment::set_section_list_addresses): Remove
1459         FIXME and test for TLS or BSS.
1460
1461 2011-06-07  Cary Coutant  <ccoutant@google.com>
1462
1463         * testsuite/Makefile.am: Add incremental_copy_test,
1464         incremental_common_test_1.
1465         * testsuite/Makefile.in: Regenerate.
1466         * testsuite/common_test_1_v1.c: New source file.
1467         * testsuite/common_test_1_v2.c: New source file.
1468         * testsuite/copy_test_v1.cc: New source file.
1469
1470 2011-06-07  Cary Coutant  <ccoutant@google.com>
1471
1472         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1473         update, allocate common from bss section's free list.
1474         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1475         linker-defined symbols.
1476         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1477         Skip GOT and PLT entries that are no longer referenced.
1478         (Output_section_incremental_inputs::write_info_blocks): Mark
1479         linker-defined symbols.
1480         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1481         * output.cc (Output_section::allocate): New function.
1482         * output.h (Output_section::allocate): New function.
1483         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1484         linker-defined symbols.
1485         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1486         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1487         (Symbol::init_base_output_data): Likewise.
1488         (Symbol::init_base_output_segment): Likewise.
1489         (Symbol::init_base_constant): Likewise.
1490         (Sized_symbol::init_output_data): Likewise.
1491         (Sized_symbol::init_output_segment): Likewise.
1492         (Sized_symbol::init_constant): Likewise.
1493         (Symbol_table::do_define_in_output_data): Likewise.
1494         (Symbol_table::do_define_in_output_segment): Likewise.
1495         (Symbol_table::do_define_as_constant): Likewise.
1496         * symtab.h (Symbol::is_predefined): New function.
1497         (Symbol::init_base_output_data): Add is_predefined parameter.
1498         (Symbol::init_base_output_segment): Likewise.
1499         (Symbol::init_base_constant): Likewise.
1500         (Symbol::is_predefined_): New data member.
1501         (Sized_symbol::init_output_data): Add is_predefined parameter.
1502         (Sized_symbol::init_output_segment): Likewise.
1503         (Sized_symbol::init_constant): Likewise.
1504         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1505
1506 2011-06-07  Cary Coutant  <ccoutant@google.com>
1507
1508         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1509         instead of emit_copy_reloc.
1510         (Copy_relocs::emit_copy_reloc): Refactor.
1511         (Copy_relocs::make_copy_reloc): New function.
1512         (Copy_relocs::add_copy_reloc): Remove.
1513         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1514         section.
1515         (Copy_relocs::make_copy_reloc): New function.
1516         (Copy_relocs::add_copy_reloc): Remove.
1517         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1518         unchanged input files.
1519         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1520         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1521         Reserve BSS space for COPY relocations.
1522         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1523         (Output_section_incremental_inputs::write_info_blocks): Record
1524         whether a symbol is copied from a shared object.
1525         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1526         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1527         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1528         (Incremental_input_entry_reader::get_output_symbol_index): Add
1529         is_copy parameter.
1530         (Incremental_binary::emit_copy_relocs): New function.
1531         (Incremental_binary::do_emit_copy_relocs): New function.
1532         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1533         new data member.
1534         (Sized_incremental_binary::add_copy_reloc): New function.
1535         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1536         (Sized_incremental_binary::Copy_reloc): New struct.
1537         (Sized_incremental_binary::Copy_relocs): New typedef.
1538         (Sized_incremental_binary::copy_relocs_): New data member.
1539         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1540         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1541         * target.h (Sized_target::emit_copy_reloc): New function.
1542         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1543
1544 2011-06-02  Cary Coutant  <ccoutant@google.com>
1545
1546         PR gold/12163
1547         * gold/archive.cc (Archive::Archive): Initialize new data member.
1548         (Archive::include_all_members): Return if archive has already been
1549         included.
1550         * gold/archive.h (Archive::include_all_members_): New data member.
1551
1552 2011-06-02  Nick Clifton  <nickc@redhat.com>
1553
1554         * dynobj.h: Fix spelling mistake in comment.
1555         * output.cc: Likewise.
1556
1557 2011-05-31  Doug Kwan  <dougkwan@google.com>
1558             Asier Llano
1559
1560         PR gold/12826
1561         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1562         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1563         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1564         redundant arm_exidx_test.so.
1565         * testsuite/Makefile.in: Regenerate.
1566         (check_SCRIPTS): Add pr12826.sh
1567         (check_DATA): Add pr12826.stdout
1568         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1569         * testsuite/pr12826.sh: New file.
1570         * testsuite/pr12826_1.s: Ditto.
1571         * testsuite/pr12826_1.s: Ditto.
1572
1573 2011-05-30  Ian Lance Taylor  <iant@google.com>
1574
1575         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1576         sections.
1577
1578 2011-05-29  Ian Lance Taylor  <iant@google.com>
1579
1580         PR gold/12804
1581         * testsuite/Makefile.am: Use different file name for two_file_test
1582         temporary file for each incremental test.
1583         * testsuite/Makefile.in: Rebuild.
1584
1585 2011-05-29  Ian Lance Taylor  <iant@google.com>
1586
1587         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1588         binary input file is empty.
1589
1590 2011-05-27  Ian Lance Taylor  <iant@google.com>
1591
1592         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1593         (ver_test_9.so): Likewise.
1594         * testsuite/Makefile.in: Rebuild.
1595
1596 2011-05-26 Cary Coutant  <ccoutant@google.com>
1597
1598         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1599         * incremental.cc (Incremental_inputs::report_input_section): Fix
1600         comment, indentation.
1601         (Incremental_inputs::report_comdat_group): New function.
1602         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1603         of data for incremental input file entry.
1604         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1605         group count, COMDAT group signatures.
1606         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1607         an unchanged input file.
1608         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1609         Initialize new data member.
1610         (Incremental_object_entry::add_comdat_group): New function.
1611         (Incremental_object_entry::get_comdat_group_count): New function.
1612         (Incremental_object_entry::get_comdat_signature_key): New function.
1613         (Incremental_object_entry::groups_): New data member.
1614         (Incremental_inputs::report_comdat_group): New function.
1615         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1616         data for incremental input file entry.
1617         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1618         (Incremental_input_entry_reader::get_input_section): Adjust size of
1619         data for incremental input file entry.
1620         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1621         (Incremental_input_entry_reader::get_comdat_group_signature): New
1622         function.
1623         * object.cc (Sized_relobj::include_section_group): Report kept
1624         COMDAT groups for incremental links.
1625
1626 2011-05-24  David Meyer  <pdox@google.com>
1627
1628         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1629         with name parameter.  Add found_name parameter.
1630         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1631         * dirsearch.h (class Dirsearch): Update declaration.
1632
1633 2011-05-24  Ian Lance Taylor  <iant@google.com>
1634
1635         * archive.cc (Library_base::should_include_member): Pull in object
1636         from archive if it defines the entry symbol.
1637         * parameters.cc (Parameters::entry): New function.
1638         * parameters.h (class Parameters): Declare entry.
1639         * output.h (class Output_file_header): Remove entry_ field.
1640         * output.cc (Output_file_header::Output_file_header): Remove entry
1641         parameter.  Change all callers.
1642         (Output_file_header::entry): Use parameters->entry.
1643         * gold.cc (queue_middle_tasks): Likewise.
1644         * plugin.cc (Plugin_hook::run): Likewise.
1645
1646 2011-05-24 Cary Coutant  <ccoutant@google.com>
1647
1648         * gold.cc (queue_initial_tasks): Pass incremental base filename
1649         to Output_file::open_base_file; don't print error message.
1650         * incremental-dump.cc (main): Adjust call to
1651         Output_file::open_for_modification.
1652         * incremental-dump.cc (main): Likewise.
1653         * incremental.cc (Incremental_inputs::report_command_line):
1654         Ignore --incremental-base option when comparing command lines.
1655         Ignore parameter when given as separate argument.
1656         * options.h (class General_options): Add --incremental-base.
1657         * output.cc (Output_file::Output_file):
1658         (Output_file::open_base_file): Add base_name and writable parameters;
1659         read base file into new file; print error message here.
1660         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1661         callers.
1662         * output.h (Output_file::open_for_modification): Rename to...
1663         (Output_file::open_base_file): ...this; add base_name and
1664         writable parameters; adjust all callers.
1665         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1666         callers.
1667         * testsuite/Makefile.am (incremental_test_4): Test
1668         --incremental-base.
1669         * testsuite/Makefile.in: Regenerate.
1670
1671 2011-05-24 Cary Coutant  <ccoutant@google.com>
1672
1673         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1674         incremental_test_4.
1675         * testsuite/Makefile.in: Regenerate.
1676         * testsuite/two_file_test_1_v1.cc: New test source file.
1677         * testsuite/two_file_test_1b_v1.cc: New test source file.
1678         * testsuite/two_file_test_2_v1.cc: New test source file.
1679
1680 2011-05-24 Cary Coutant  <ccoutant@google.com>
1681
1682         * dynobj.h (Dynobj::do_dynobj): New function.
1683         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1684         flag and soname for shared objects.
1685         * incremental.cc (Incremental_inputs::report_object): Make
1686         either Incremental_object_entry or Incremental_dynobj_entry; add
1687         soname to string table.
1688         (Incremental_inputs::report_input_section): Add assertion.
1689         (Output_section_incremental_inputs::set_final_data_size): Adjust
1690         type of input file entry for shared libraries; adjust size of
1691         shared library info entry.
1692         (Output_section_incremental_inputs::write_input_files): Write
1693         as_needed flag for shared libraries.
1694         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1695         of input file entry for shared libraries; write soname.
1696         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1697         soname from incremental info.
1698         * incremental.h (enum Incremental_input_flags): Add
1699         INCREMENTAL_INPUT_AS_NEEDED.
1700         (Incremental_input_entry::Incremental_input_entry): Initialize new
1701         data member.
1702         (Incremental_input_entry::set_as_needed): New function.
1703         (Incremental_input_entry::as_needed): New function.
1704         (Incremental_input_entry::do_dynobj_entry): New function.
1705         (Incremental_input_entry::as_needed_): New data member.
1706         (Incremental_object_entry::Incremental_object_entry): Don't check
1707         for shared library.
1708         (Incremental_object_entry::do_type): Likewise.
1709         (class Incremental_dynobj_entry): New class.
1710         (Incremental_input_entry_reader::as_needed): New function.
1711         (Incremental_input_entry_reader::get_soname): New function.
1712         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1713         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1714         size of shared library info entry.
1715         * layout.cc (Layout::finish_dynamic_section): Don't test for
1716         incremental link when adding DT_NEEDED entries.
1717         * object.h (Object::Object): Initialize new data member.
1718         (Object::dynobj): New function.
1719         (Object::set_as_needed): New function.
1720         (Object::as_needed): New function.
1721         (Object::do_dynobj): New function.
1722         (Object::as_needed_): New data member.
1723
1724 2011-05-24 Cary Coutant  <ccoutant@google.com>
1725
1726         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1727         info; adjust display of GOT entries.
1728         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1729         vector of input objects; remove file_status_.
1730         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1731         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1732         got_plt reader; call target hooks to reserve GOT entries.
1733         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1734         of input file info header and GOT info entry.
1735         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1736         relocation info.
1737         (Got_plt_view_info::got_descriptor): Remove.
1738         (Got_plt_view_info::sym_index): New data member.
1739         (Got_plt_view_info::input_index): New data member.
1740         (Local_got_offset_visitor::visit): Write input file index.
1741         (Global_got_offset_visitor::visit): Write 0 for input file index.
1742         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1743         with sym_index and input_index.
1744         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1745         incremental info GOT entry; replace got_descriptor with input_index.
1746         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1747         map from input file index to object.
1748         (Sized_relobj_incr::do_layout): Replace direct data member reference
1749         with accessor function.
1750         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1751         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1752         Adjust size of input file info header.
1753         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1754         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1755         (Incremental_input_entry_reader::get_input_section): Adjust size of
1756         input file info header.
1757         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1758         of incremental info GOT entry.
1759         (Incremental_got_plt_reader::get_got_desc): Remove.
1760         (Incremental_got_plt_reader::get_got_symndx): New function.
1761         (Incremental_got_plt_reader::get_got_input_index): New function.
1762         (Sized_incremental_binary::Sized_incremental_binary): Remove
1763         file_status_; add input_objects_.
1764         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1765         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1766         (Sized_incremental_binary::file_is_unchanged): Remove.
1767         (Sized_incremental_binary::set_input_object): New function.
1768         (Sized_incremental_binary::input_object): New function.
1769         (Sized_incremental_binary::file_status_): Remove.
1770         (Sized_incremental_binary::input_objects_): New data member.
1771         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1772         references.
1773         (Sized_relobj_incr::invalid_address): Move to base class.
1774         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1775         class.
1776         (Sized_relobj_incr::do_output_section_offset): Likewise.
1777         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1778         (Sized_relobj_incr::section_offsets_): Likewise.
1779         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1780         function.
1781         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1782         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1783         with accessor function.
1784         (Sized_relobj_file::do_layout): Likewise.
1785         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1786         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1787         (Sized_relobj_file::compute_final_local_value): Replace refs to
1788         section_offsets_ with accessor function.
1789         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1790         * object.h (Relobj::Relobj): Initialize new data members.
1791         (Relobj::add_dyn_reloc): New function.
1792         (Relobj::first_dyn_reloc): New function.
1793         (Relobj::dyn_reloc_count): New function.
1794         (Relobj::first_dyn_reloc_): New data member.
1795         (Relobj::dyn_reloc_count_): New data member.
1796         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1797         references.
1798         (Sized_relobj::Address): New typedef.
1799         (Sized_relobj::invalid_address): Move here from child class.
1800         (Sized_relobj::Sized_relobj): Initialize new data members.
1801         (Sized_relobj::sized_relobj): New function.
1802         (Sized_relobj::is_output_section_offset_invalid): Move here from
1803         child class.
1804         (Sized_relobj::get_output_section_offset): Likewise.
1805         (Sized_relobj::local_has_got_offset): Likewise.
1806         (Sized_relobj::local_got_offset): Likewise.
1807         (Sized_relobj::set_local_got_offset): Likewise.
1808         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1809         (Sized_relobj::clear_got_offsets): New function.
1810         (Sized_relobj::section_offsets): Move here from child class.
1811         (Sized_relobj::do_output_section_offset): Likewise.
1812         (Sized_relobj::do_set_section_offset): Likewise.
1813         (Sized_relobj::Local_got_offsets): Likewise.
1814         (Sized_relobj::local_got_offsets_): Likewise.
1815         (Sized_relobj::section_offsets_): Likewise.
1816         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1817         references.
1818         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1819         class.
1820         (Sized_relobj_file::sized_relobj): New function
1821         (Sized_relobj_file::local_has_got_offset): Move to base class.
1822         (Sized_relobj_file::local_got_offset): Likewise.
1823         (Sized_relobj_file::set_local_got_offset): Likewise.
1824         (Sized_relobj_file::get_output_section_offset): Likewise.
1825         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1826         (Sized_relobj_file::do_output_section_offset): Likewise.
1827         (Sized_relobj_file::do_set_section_offset): Likewise.
1828         (Sized_relobj_file::Local_got_offsets): Likewise.
1829         (Sized_relobj_file::local_got_offsets_): Likewise.
1830         (Sized_relobj_file::section_offsets_): Likewise.
1831         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1832         (all constructors).
1833         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1834         (Output_reloc::get_symbol_index): Likewise.
1835         (Output_reloc::local_section_offset): Likewise.
1836         (Output_reloc::get_address): Likewise.
1837         (Output_reloc::symbol_value): Likewise.
1838         (Output_data_got::reserve_slot): Move to class definition.
1839         (Output_data_got::reserve_local): New function.
1840         (Output_data_got::reserve_slot_for_global): Remove.
1841         (Output_data_got::reserve_global): New function.
1842         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1843         (all constructors, two instantiations).
1844         (Output_reloc::get_relobj): New function (two instantiations).
1845         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1846         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1847         (Output_data_reloc::add_global): Adjust type of relobj.
1848         (Output_data_reloc::add_global_relative): Likewise.
1849         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1850         (Output_data_reloc::add_local): Likewise.
1851         (Output_data_reloc::add_local_relative): Likewise.
1852         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1853         (Output_data_reloc::add_local_section): Likewise.
1854         (Output_data_reloc::add_output_section): Likewise.
1855         (Output_data_reloc::add_absolute): Likewise.
1856         (Output_data_reloc::add_target_specific): Likewise.
1857         (Output_data_got::reserve_slot): Move definition here.
1858         (Output_data_got::reserve_local): New function.
1859         (Output_data_got::reserve_global): New function.
1860         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1861         section_offsets_ with accessor function.
1862         (Sized_relobj_file::write_sections): Likewise.
1863         (Sized_relobj_file::do_relocate_sections): Likewise.
1864         * target.h (Sized_target::reserve_local_got_entry): New function.
1865         (Sized_target::reserve_global_got_entry): New function.
1866         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1867         (Target_x86_64::reserve_global_got_entry): New function.
1868         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1869
1870 2011-05-23 Cary Coutant  <ccoutant@google.com>
1871
1872         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1873         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1874         bit when checking got_type.
1875         * incremental.cc (Sized_incremental_binary::setup_readers):
1876         Store symbol table and string table locations; initialize bit vector
1877         of file status flags.
1878         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1879         unchanged files.
1880         (Sized_incremental_binary::do_process_got_plt): New function.
1881         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1882         (Output_section_incremental_inputs::set_final_data_size): Record
1883         file index for each input file.
1884         (Output_section_incremental_inputs::write_got_plt): Store file index
1885         instead of input entry offset for each GOT entry.
1886         * incremental.h
1887         (Incremental_input_entry::Incremental_input_entry): Initialize new
1888         data member.
1889         (Incremental_input_entry::set_offset): Store file index.
1890         (Incremental_input_entry::get_file_index): New function.
1891         (Incremental_input_entry::file_index_): New data member.
1892         (Incremental_binary::process_got_plt): New function.
1893         (Incremental_binary::do_process_got_plt): New function.
1894         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1895         data members.
1896         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1897         (Sized_incremental_binary::set_file_is_unchanged): New function.
1898         (Sized_incremental_binary::file_is_unchanged): New function.
1899         (Sized_incremental_binary::do_process_got_plt): New function.
1900         (Sized_incremental_binary::file_status_): New data member.
1901         (Sized_incremental_binary::main_symtab_loc_): New data member.
1902         (Sized_incremental_binary::main_strtab_loc_): New data member.
1903         * output.cc (Output_data_got::Got_entry::write): Add case
1904         RESERVED_CODE.
1905         (Output_data_got::add_global): Call add_got_entry.
1906         (Output_data_got::add_global_plt): Likewise.
1907         (Output_data_got::add_global_with_rel): Likewise.
1908         (Output_data_got::add_global_with_rela): Likewise.
1909         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1910         (Output_data_got::add_global_pair_with_rela): Likewise.
1911         (Output_data_got::add_local): Call add_got_entry.
1912         (Output_data_got::add_local_plt): Likewise.
1913         (Output_data_got::add_local_with_rel): Likewise.
1914         (Output_data_got::add_local_with_rela): Likewise.
1915         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1916         (Output_data_got::add_local_pair_with_rela): Likewise.
1917         (Output_data_got::reserve_slot): New function.
1918         (Output_data_got::reserve_slot_for_global): New function.
1919         (Output_data_got::add_got_entry): New function.
1920         (Output_data_got::add_got_entry_pair): New function.
1921         (Output_section::add_output_section_data): Edit FIXME.
1922         * output.h
1923         (Output_section_data_build::Output_section_data_build): New
1924         constructor with size parameter.
1925         (Output_data_space::Output_data_space): Likewise.
1926         (Output_data_got::Output_data_got): Initialize new data member; new
1927         constructor with size parameter.
1928         (Output_data_got::add_constant): Call add_got_entry.
1929         (Output_data_got::reserve_slot): New function.
1930         (Output_data_got::reserve_slot_for_global): New function.
1931         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1932         (Output_data_got::add_got_entry): New function.
1933         (Output_data_got::add_got_entry_pair): New function.
1934         (Output_data_got::free_list_): New data member.
1935         * target.h (Sized_target::init_got_plt_for_update): New function.
1936         (Sized_target::register_global_plt_entry): New function.
1937         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1938         Initialize new data member; call init; add constructor with PLT count.
1939         (Output_data_plt_x86_64::init): New function.
1940         (Output_data_plt_x86_64::add_relocation): New function.
1941         (Output_data_plt_x86_64::reserve_slot): New function.
1942         (Output_data_plt_x86_64::free_list_): New data member.
1943         (Target_x86_64::init_got_plt_for_update): New function.
1944         (Target_x86_64::register_global_plt_entry): New function.
1945         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1946         incremental updates.
1947         (Output_data_plt_x86_64::add_relocation): New function.
1948         * testsuite/object_unittest.cc (Object_test): Set default options.
1949
1950 2011-05-16  Ian Lance Taylor  <iant@google.com>
1951
1952         * options.h (class General_options): Make -i a synonym for -r.
1953
1954 2011-05-16  Ian Lance Taylor  <iant@google.com>
1955
1956         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1957
1958 2011-05-10 Cary Coutant  <ccoutant@google.com>
1959
1960         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1961         strip_all (-s).
1962
1963 2011-05-06  Ian Lance Taylor  <iant@google.com>
1964
1965         * layout.cc (Layout::layout): If the output section flags change,
1966         update the ordering.
1967
1968 2011-04-25 Cary Coutant  <ccoutant@google.com>
1969
1970         * incremental-dump.cc (dump_incremental_inputs): Print local
1971         symbol info for each input file.
1972         * incremental.cc
1973         (Output_section_incremental_inputs::set_final_data_size): Add local
1974         symbol info to input file entries in incremental info.
1975         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1976         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1977         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1978         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1979         implementation.
1980         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1981         (Sized_incr_relobj::do_relocate): Write the local symbols.
1982         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1983         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1984         Adjust size of input file header.
1985         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1986         (Incremental_inputs_reader::get_local_symbol_count): New function.
1987         (Incremental_inputs_reader::get_input_section): Adjust size of input
1988         file header.
1989         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1990         (Sized_incr_relobj::This): New typedef.
1991         (Sized_incr_relobj::sym_size): New const data member.
1992         (Sized_incr_relobj::Local_symbol): New struct.
1993         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1994         (Sized_incr_relobj::do_local_symbol_offset): New function.
1995         (Sized_incr_relobj::local_symbol_count_): New data member.
1996         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1997         (Sized_incr_relobj::local_symbol_index_): New data member.
1998         (Sized_incr_relobj::local_symbol_offset_): New data member.
1999         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2000         (Sized_incr_relobj::local_symbols_): New data member.
2001         * object.h (Relobj::output_local_symbol_count): New function.
2002         (Relobj::local_symbol_offset): New function.
2003         (Relobj::do_output_local_symbol_count): New function.
2004         (Relobj::do_local_symbol_offset): New function.
2005         (Sized_relobj::do_output_local_symbol_count): New function.
2006         (Sized_relobj::do_local_symbol_offset): New function.
2007
2008 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2009
2010         * descriptors.cc (set_close_on_exec): New function.
2011         (Descriptors::open): Use set_close_on_exec.
2012         * output.cc (S_ISLNK): Define if not defined.
2013
2014 2011-04-22 Cary Coutant  <ccoutant@google.com>
2015
2016         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2017         global symbol map.
2018         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2019         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2020         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2021         relocations.
2022         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2023         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2024         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2025         * incremental.h
2026         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2027         function.
2028         (Incremental_binary::apply_incremental_relocs): New function.
2029         (Incremental_binary::do_apply_incremental_relocs): New function.
2030         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2031         data member.
2032         (Sized_incremental_binary::add_global_symbol): New function.
2033         (Sized_incremental_binary::global_symbol): New function.
2034         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2035         (Sized_incremental_binary::symbol_map_): New data member.
2036         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2037         * target.h (Sized_target::apply_relocation): New function.
2038         * target-reloc.h (apply_relocation): New function.
2039         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2040
2041 2011-04-22  Doug Kwan  <dougkwan@google.com>
2042
2043         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2044         flag of a SHT_ARM_EXIDX section.
2045         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2046         * testsuite/Makefile.in: Regenerate.
2047         * testsuite/arm_exidx_test.s: New file.
2048         * testsuite/arm_exidx_test.sh: Same.
2049
2050 2011-04-20 Cary Coutant  <ccoutant@google.com>
2051
2052         PR gold/12689
2053         * archive.h (Incremental_archive_entry::Archive_member):
2054         Initialize arg_serial_ (second constructor).
2055
2056 2011-04-17  Ian Lance Taylor  <iant@google.com>
2057
2058         * object.cc (Relocate_info::location): Simplify location string.
2059         * errors.cc (Errors::error_at_location): Don't print program
2060         name.
2061         (Errors::warning_at_location): Likewise.
2062         (Errors::undefined_symbol): Likewise.
2063         * testsuite/debug_msg.sh: Update accordingly.
2064
2065 2011-04-14 Cary Coutant  <ccoutant@google.com>
2066
2067         * gold/layout.cc (Layout::symtab_section_offset): New function.
2068         * gold/layout.h (Layout::symtab_section_offset): New function.
2069         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2070
2071 2011-04-12  Ian Lance Taylor  <iant@google.com>
2072
2073         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2074         with MREMAP_MAYMOVE.
2075         * output.h (class Output_file): Add map_is_allocated_ field.
2076         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2077         not available, provide stubs.  If mremap is not available, #define
2078         it to gold_mremap.
2079         (MREMAP_MAYMOVE): Define if not defined.
2080         (Output_file::Output_file): Initialize map_is_allocated_.
2081         (Output_file::resize): Check map_is_allocated_.
2082         (Output_file::map_anonymous): If mmap fails, use malloc.
2083         (Output_file::unmap): Don't do anything for an anonymous map.
2084         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2085         is not available, provide stubs.
2086         (File_read::View::~View): Use free rather than delete[].
2087         (File_read::make_view): Use malloc rather than new[].  If mmap
2088         fails, use malloc.
2089         (File_read::find_or_make_view): Use malloc rather than new[].
2090         * gold.h: Remove HAVE_REMAP code.
2091         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2092         exists.  Rename mremap to gold_mremap.  If mmap is not available
2093         don't do anything.
2094         * configure, config.in: Rebuild.
2095
2096 2011-04-11  Ian Lance Taylor  <iant@google.com>
2097
2098         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2099         initialize local variable v.
2100
2101 2011-04-11  Cary Coutant  <ccoutant@google.com>
2102
2103         * archive.cc (Archive::include_member): Adjust call to
2104         report_object.
2105         (Add_archive_symbols::run): Track argument serial numbers.
2106         (Lib_group::include_member): Likewise.
2107         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2108         * archive.h (Incremental_archive_entry::Archive_member):
2109         Initialize arg_serial_.
2110         (Archive_member::arg_serial_): New data member.
2111         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2112         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2113         incremental link.
2114         (Sized_dynobj::do_for_all_local_got_entries): New function.
2115         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2116         function.
2117         * fileread.cc (get_mtime): New function.
2118         * fileread.h (get_mtime): New function.
2119         * gold.cc (queue_initial_tasks): Check for incremental update.
2120         (process_incremental_input): New function.
2121         (queue_middle_tasks): Don't force valid target for incremental
2122         update.
2123         * incremental-dump.cc (find_input_containing_global): Adjust
2124         size of symbol info entry.
2125         (dump_incremental_inputs): Dump argument serial number and
2126         in_system_directory flag; bias shndx by 1; print symbol names
2127         when dumping per-file symbol lists; use new symbol info readers.
2128         * incremental.cc
2129         (Output_section_incremental_inputs:update_data_size): New function.
2130         (Sized_incremental_binary::setup_readers): Setup input readers
2131         for each input file; build maps for files added from libraries
2132         and scripts.
2133         (Sized_incremental_binary::check_input_args): New function.
2134         (Sized_incremental_binary::do_check_inputs): Build map of argument
2135         serial numbers to input arguments.
2136         (Sized_incremental_binary::do_file_has_changed): Rename
2137         do_file_is_unchanged to this; compare file modification times.
2138         (Sized_incremental_binary::do_init_layout): New function.
2139         (Sized_incremental_binary::do_reserve_layout): New function.
2140         (Sized_incremental_binary::do_get_input_reader): Remove.
2141         (Sized_incremental_binary::get_symtab_view): New function.
2142         (Incremental_checker::can_incrementally_link_output_file): Remove.
2143         (Incremental_inputs::report_command_line): Exclude --debug options.
2144         (Incremental_inputs::report_archive_begin): Add parameter; track
2145         argument serial numbers; don't put input file entry for archive
2146         before archive members.
2147         (Incremental_inputs::report_archive_end): Put input file entry
2148         for archive after archive members.
2149         (Incremental_inputs::report_object): Add parameter; track argument
2150         serial numbers and in_system_directory flag.
2151         (Incremental_inputs::report_script): Add parameter; track argument
2152         serial numbers.
2153         (Output_section_incremental_inputs::set_final_data_size): Adjust
2154         size of symbol info entry; check for forwarding symbols.
2155         (Output_section_incremental_inputs::write_input_files): Write
2156         in_system_directory flag and argument serial number.
2157         (Output_section_incremental_inputs::write_info_blocks): Map section
2158         indices between incremental info and original input file; store
2159         input section index for each symbol.
2160         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2161         change operator() to visit().
2162         (class Global_got_offset_visitor): Likewise.
2163         (class Global_symbol_visitor_got_plt):
2164         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2165         classes.
2166         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2167         (Sized_incr_relobj::do_read_symbols): New function.
2168         (Sized_incr_relobj::do_layout): New function.
2169         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2170         (Sized_incr_relobj::do_add_symbols): New function.
2171         (Sized_incr_relobj::do_should_include_member): New function.
2172         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2173         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2174         (Sized_incr_relobj::do_section_size): New function.
2175         (Sized_incr_relobj::do_section_name): New function.
2176         (Sized_incr_relobj::do_section_contents): New function.
2177         (Sized_incr_relobj::do_section_flags): New function.
2178         (Sized_incr_relobj::do_section_entsize): New function.
2179         (Sized_incr_relobj::do_section_address): New function.
2180         (Sized_incr_relobj::do_section_type): New function.
2181         (Sized_incr_relobj::do_section_link): New function.
2182         (Sized_incr_relobj::do_section_info): New function.
2183         (Sized_incr_relobj::do_section_addralign): New function.
2184         (Sized_incr_relobj::do_initialize_xindex): New function.
2185         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2186         (Sized_incr_relobj::do_read_relocs): New function.
2187         (Sized_incr_relobj::do_gc_process_relocs): New function.
2188         (Sized_incr_relobj::do_scan_relocs): New function.
2189         (Sized_incr_relobj::do_count_local_symbols): New function.
2190         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2191         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2192         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2193         (Sized_incr_relobj::do_relocate): New function.
2194         (Sized_incr_relobj::do_set_section_offset): New function.
2195         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2196         (Sized_incr_dynobj::do_read_symbols): New function.
2197         (Sized_incr_dynobj::do_layout): New function.
2198         (Sized_incr_dynobj::do_add_symbols): New function.
2199         (Sized_incr_dynobj::do_should_include_member): New function.
2200         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2201         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2202         (Sized_incr_dynobj::do_section_size): New function.
2203         (Sized_incr_dynobj::do_section_name): New function.
2204         (Sized_incr_dynobj::do_section_contents): New function.
2205         (Sized_incr_dynobj::do_section_flags): New function.
2206         (Sized_incr_dynobj::do_section_entsize): New function.
2207         (Sized_incr_dynobj::do_section_address): New function.
2208         (Sized_incr_dynobj::do_section_type): New function.
2209         (Sized_incr_dynobj::do_section_link): New function.
2210         (Sized_incr_dynobj::do_section_info): New function.
2211         (Sized_incr_dynobj::do_section_addralign): New function.
2212         (Sized_incr_dynobj::do_initialize_xindex): New function.
2213         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2214         (make_sized_incremental_object): New function.
2215         (Incremental_library::copy_unused_symbols): New function.
2216         (Incremental_library::do_for_all_unused_symbols): New function.
2217         * incremental.h (enum Incremental_input_flags): New type.
2218         (class Incremental_checker): Remove.
2219         (Incremental_input_entry::Incremental_input_entry): Add argument
2220         serial number.
2221         (Incremental_input_entry::arg_serial): New function.
2222         (Incremental_input_entry::set_is_in_system_directory): New function.
2223         (Incremental_input_entry::is_in_system_directory): New function.
2224         (Incremental_input_entry::arg_serial_): New data member.
2225         (Incremental_input_entry::is_in_system_directory_): New data member.
2226         (class Script_info): Move here from script.h.
2227         (Script_info::Script_info): Add filename parameter.
2228         (Script_info::filename): New function.
2229         (Script_info::filename_): New data member.
2230         (Incremental_script_entry::Incremental_script_entry): Add argument
2231         serial number.
2232         (Incremental_object_entry::Incremental_object_entry): Likewise.
2233         (Incremental_object_entry::add_input_section): Build list of input
2234         sections with map to original shndx.
2235         (Incremental_object_entry::get_input_section_index): New function.
2236         (Incremental_object_entry::shndx_): New data member.
2237         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2238         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2239         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2240         serial number.
2241         (Incremental_inputs::report_archive_begin): Likewise.
2242         (Incremental_inputs::report_object): Likewise.
2243         (Incremental_inputs::report_script): Likewise.
2244         (class Incremental_global_symbol_reader): New class.
2245         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2246         and store flags and input file type.
2247         (Incremental_input_entry_reader::arg_serial): New function.
2248         (Incremental_input_entry_reader::type): Extract type from flags.
2249         (Incremental_input_entry_reader::is_in_system_directory): New function.
2250         (Incremental_input_entry_reader::get_input_section_count): Call
2251         accessor function for type.
2252         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2253         function for type; adjust size of global symbol entry.
2254         (Incremental_input_entry_reader::get_global_symbol_count): Call
2255         accessor function for type.
2256         (Incremental_input_entry_reader::get_object_count): Likewise.
2257         (Incremental_input_entry_reader::get_object_offset): Likewise.
2258         (Incremental_input_entry_reader::get_member_count): Likewise.
2259         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2260         (Incremental_input_entry_reader::get_member_offset): Likewise.
2261         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2262         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2263         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2264         (Incremental_input_entry_reader::get_global_symbol_reader): New
2265         function.
2266         (Incremental_input_entry_reader::get_output_symbol_index): New
2267         function.
2268         (Incremental_input_entry_reader::type_): Remove.
2269         (Incremental_input_entry_reader::flags_): New data member.
2270         (Incremental_inputs_reader::input_file_offset): New function.
2271         (Incremental_inputs_reader::input_file_index): New function.
2272         (Incremental_inputs_reader::input_file): Call input_file_offset.
2273         (Incremental_inputs_reader::input_file_at_offset): New function.
2274         (Incremental_relocs_reader::get_r_type): Reformat.
2275         (Incremental_relocs_reader::get_r_shndx): Reformat.
2276         (Incremental_relocs_reader::get_r_offset): Reformat.
2277         (Incremental_relocs_reader::data): New function.
2278         (Incremental_binary::Incremental_binary): Initialize new data members.
2279         (Incremental_binary::check_inputs): Add cmdline parameter.
2280         (Incremental_binary::file_is_unchanged): Remove.
2281         (Input_reader::arg_serial): New function.
2282         (Input_reader::get_unused_symbol_count): New function.
2283         (Input_reader::get_unused_symbol): New function.
2284         (Input_reader::do_arg_serial): New function.
2285         (Input_reader::do_get_unused_symbol_count): New function.
2286         (Input_reader::do_get_unused_symbol): New function.
2287         (Incremental_binary::input_file_count): New function.
2288         (Incremental_binary::get_input_reader): Change signature to use
2289         index instead of filename.
2290         (Incremental_binary::file_has_changed): New function.
2291         (Incremental_binary::get_input_argument): New function.
2292         (Incremental_binary::get_library): New function.
2293         (Incremental_binary::get_script_info): New function.
2294         (Incremental_binary::init_layout): New function.
2295         (Incremental_binary::reserve_layout): New function.
2296         (Incremental_binary::output_file): New function.
2297         (Incremental_binary::do_check_inputs): New function.
2298         (Incremental_binary::do_file_is_unchanged): Remove.
2299         (Incremental_binary::do_file_has_changed): New function.
2300         (Incremental_binary::do_init_layout): New function.
2301         (Incremental_binary::do_reserve_layout): New function.
2302         (Incremental_binary::do_input_file_count): New function.
2303         (Incremental_binary::do_get_input_reader): Change signature.
2304         (Incremental_binary::input_args_map_): New data member.
2305         (Incremental_binary::library_map_): New data member.
2306         (Incremental_binary::script_map_): New data member.
2307         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2308         new data members.
2309         (Sized_incremental_binary::output_section): New function.
2310         (Sized_incremental_binary::inputs_reader): Add const.
2311         (Sized_incremental_binary::symtab_reader): Add const.
2312         (Sized_incremental_binary::relocs_reader): Add const.
2313         (Sized_incremental_binary::got_plt_reader): Add const.
2314         (Sized_incremental_binary::get_symtab_view): New function.
2315         (Sized_incremental_binary::Inputs_reader): New typedef.
2316         (Sized_incremental_binary::Input_entry_reader): New typedef.
2317         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2318         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2319         (Sized_incremental_binary::do_file_has_changed): New function.
2320         (Sized_incremental_binary::do_init_layout): New function.
2321         (Sized_incremental_binary::do_reserve_layout): New function.
2322         (Sized_input_reader::Inputs_reader): Remove.
2323         (Sized_input_reader::Input_entry_reader): Remove.
2324         (Sized_input_reader::do_arg_serial): New function.
2325         (Sized_input_reader::do_get_unused_symbol_count): New function.
2326         (Sized_input_reader::do_get_unused_symbol): New function.
2327         (Sized_incremental_binary::do_input_file_count): New function.
2328         (Sized_incremental_binary::do_get_input_reader): Change signature;
2329         use index instead of filename.
2330         (Sized_incremental_binary::section_map_): New data member.
2331         (Sized_incremental_binary::input_entry_readers_): New data member.
2332         (class Sized_incr_relobj): New class.
2333         (class Sized_incr_dynobj): New class.
2334         (make_sized_incremental_object): New function.
2335         (class Incremental_library): New class.
2336         * layout.cc (Free_list::num_lists): New static data member.
2337         (Free_list::num_nodes): New static data member.
2338         (Free_list::num_removes): New static data member.
2339         (Free_list::num_remove_visits): New static data member.
2340         (Free_list::num_allocates): New static data member.
2341         (Free_list::num_allocate_visits): New static data member.
2342         (Free_list::init): New function.
2343         (Free_list::remove): New function.
2344         (Free_list::allocate): New function.
2345         (Free_list::dump): New function.
2346         (Free_list::print_stats): New function.
2347         (Layout_task_runner::run): Resize output file for incremental updates.
2348         (Layout::Layout): Initialize new data members.
2349         (Layout::set_incremental_base): New function.
2350         (Layout::init_fixed_output_section): New function.
2351         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2352         incremental updates.
2353         (Layout::create_gold_note): Do not create gold note section for
2354         incremental updates.
2355         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2356         for incremental updates.
2357         (Layout::set_section_offsets): For incremental updates, allocate space
2358         from free list.
2359         (Layout::create_symtab_sections): Layout with offsets relative to
2360         start of section; for incremental updates, allocate space from free
2361         list.
2362         (Layout::create_shdrs): For incremental updates, allocate space from
2363         free list.
2364         (Layout::finish_dynamic_section): For incremental updates, do not
2365         check --as-needed (fixed in subsequent patch).
2366         * layout.h (class Free_list): New class.
2367         (Layout::set_incremental_base): New function.
2368         (Layout::incremental_base): New function.
2369         (Layout::init_fixed_output_section): New function.
2370         (Layout::allocate): New function.
2371         (Layout::incremental_base_): New data member.
2372         (Layout::free_list_): New data member.
2373         * main.cc (main): Print Free_list statistics.
2374         * object.cc (Relobj::finalize_incremental_relocs): Add
2375         clear_counts parameter; clear counts only when clear_counts is set.
2376         (Sized_relobj::Sized_relobj): Initialize new base class.
2377         (Sized_relobj::do_layout): Don't report special sections.
2378         (Sized_relobj::do_for_all_local_got_entries): New function.
2379         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2380         symtab_off to all symbol table offsets.
2381         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2382         * object.h (class Got_offset_list): Move to top of file.
2383         (Object::Object): Allow case where input_file == NULL.
2384         (Object::~Object): Likewise.
2385         (Object::input_file): Assert that input_file != NULL.
2386         (Object::lock): Allow case where input_file == NULL.
2387         (Object::unlock): Likewise.
2388         (Object::is_locked): Likewise.
2389         (Object::token): Likewise.
2390         (Object::release): Likewise.
2391         (Object::is_incremental): New function.
2392         (Object::get_mtime): New function.
2393         (Object::for_all_local_got_entries): New function.
2394         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2395         (Object::set_is_in_system_directory): New function.
2396         (Object::is_in_system_directory): New function.
2397         (Object::do_is_incremental): New function.
2398         (Object::do_get_mtime): New function.
2399         (Object::do_for_all_local_got_entries): New function.
2400         (Object::is_in_system_directory_): New data member.
2401         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2402         (class Sized_relobj_base): New class.
2403         (class Sized_relobj): Derive from Sized_relobj_base.
2404         (class Sized_relobj::Symbols): Redeclare from base class.
2405         (class Sized_relobj::local_got_offset_list): Remove.
2406         (class Sized_relobj::Output_sections): Redeclare from base class.
2407         (class Sized_relobj::do_for_all_local_got_entries): New function.
2408         (class Sized_relobj::write_local_symbols): Add offset parameter.
2409         (class Sized_relobj::local_symbol_offset_): Update comment.
2410         (class Sized_relobj::local_dynsym_offset_): Update comment.
2411         * options.cc (Input_arguments::add_file): Remove const.
2412         * options.h (Input_file_argument::Input_file_argument):
2413         Initialize arg_serial_ (all constructors).
2414         (Input_file_argument::set_arg_serial): New function.
2415         (Input_file_argument::arg_serial): New function.
2416         (Input_file_argument::arg_serial_): New data member.
2417         (Input_arguments::Input_arguments): Initialize file_count_.
2418         (Input_arguments::add_file): Remove const.
2419         (Input_arguments::number_of_input_files): New function.
2420         (Input_arguments::file_count_): New data member.
2421         (Command_line::number_of_input_files): Call
2422         Input_arguments::number_of_input_files.
2423         * output.cc (Output_segment_headers::Output_segment_headers):
2424         Set current size.
2425         (Output_section::Input_section::current_data_size): New function.
2426         (Output_section::Output_section): Initialize new data members.
2427         (Output_section::add_input_section): Don't do merge sections for
2428         an incremental link; allocate space from free list for an
2429         incremental update.
2430         (Output_section::add_output_section_data): Allocate space from
2431         free list for an incremental update.
2432         (Output_section::update_data_size): New function.
2433         (Output_section::set_fixed_layout): New function.
2434         (Output_section::reserve): New function.
2435         (Output_segment::set_section_addresses): Remove const.
2436         (Output_segment::set_section_list_addresses): Remove const; allocate
2437         space from free list for an incremental update.
2438         (Output_segment::set_offset): Adjust size of RELRO segment for an
2439         incremental update.
2440         * output.h (Output_data::current_data_size): Move here from
2441         child classes.
2442         (Output_data::pre_finalize_data_size): New function.
2443         (Output_data::update_data_size): New function.
2444         (Output_section_headers::update_data_size): new function.
2445         (Output_section_data_build::current_data_size): Move to Output_data.
2446         (Output_data_strtab::update_data_size): New function.
2447         (Output_section::current_data_size): Move to Output_data.
2448         (Output_section::set_fixed_layout): New function.
2449         (Output_section::has_fixed_layout): New function.
2450         (Output_section::reserve): New function.
2451         (Output_section::update_data_size): New function.
2452         (Output_section::has_fixed_layout_): New data member.
2453         (Output_section::free_list_): New data member.
2454         (Output_segment::set_section_addresses): Remove const.
2455         (Output_segment::set_section_list_addresses): Remove const.
2456         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2457         New function.
2458         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2459         New function.
2460         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2461         parameter when calling Add_symbols constructor; store argument
2462         serial number for members of a lib group.
2463         (Add_symbols::locks): Allow case where token == NULL.
2464         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2465         (Read_member::~Read_member): New function.
2466         (Read_member::is_runnable): New function.
2467         (Read_member::locks): New function.
2468         (Read_member::run): New function.
2469         (Check_script::~Check_script): New function.
2470         (Check_script::is_runnable): New function.
2471         (Check_script::locks): New function.
2472         (Check_script::run): New function.
2473         (Check_library::~Check_library): New function.
2474         (Check_library::is_runnable): New function.
2475         (Check_library::locks): New function.
2476         (Check_library::run): New function.
2477         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2478         (Add_symbols::library_): New data member.
2479         (class Read_member): New class.
2480         (class Check_script): New class.
2481         (class Check_library): New class.
2482         * reloc.cc (Read_relocs::is_runnable): Allow case where
2483         token == NULL.
2484         (Read_relocs::locks): Likewise.
2485         (Scan_relocs::locks): Likewise.
2486         (Relocate_task::locks): Likewise.
2487         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2488         to clear counters.
2489         (Sized_relobj::incremental_relocs_scan): Fix comment.
2490         (Sized_relobj::do_relocate): Pass output file offset to
2491         write_local_symbols.
2492         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2493         from class declaration.
2494         * script.cc (read_input_script): Allocate Script_info; pass
2495         argument serial number to report_script.
2496         * script.h (class Script_info): Move to incremental.h.
2497         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2498         * symtab.h (Symbol_table::add_from_incrobj): New function.
2499         (Symbol_table::set_file_offset): New function.
2500
2501 2011-04-05  Cary Coutant  <ccoutant@google.com>
2502
2503         * incremental-dump.cc (dump_incremental_inputs): Change signature
2504         to take a Sized_incremental_binary; change caller.  Use readers
2505         in Sized_incremental_binary.
2506         * incremental.cc
2507         (Sized_incremental_binary::find_incremental_inputs_sections):
2508         Rename do_find_incremental_inputs_sections to this.
2509         (Sized_incremental_binary::setup_readers): New function.
2510         (Sized_incremental_binary::do_check_inputs): Check
2511         has_incremental_info_ flag; move setup code to setup_readers;
2512         use input readers.
2513         (Sized_incremental_binary::do_file_is_unchanged): New function.
2514         (Sized_incremental_binary::do_get_input_reader): New function.
2515         * incremental.h (class Incremental_binary): Move to end of file.
2516         (Incremental_binary::file_is_unchanged): New function.
2517         (Incremental_binary::do_file_is_unchanged): New function.
2518         (Incremental_binary::Input_reader): New class.
2519         (Incremental_binary::get_input_reader): New function.
2520         (class Sized_incremental_binary): Move to end of file.
2521         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2522         input section reader classes.
2523         (Sized_incremental_binary::has_incremental_info): New function.
2524         (Sized_incremental_binary::inputs_reader): New function.
2525         (Sized_incremental_binary::symtab_reader): New function.
2526         (Sized_incremental_binary::relocs_reader): New function.
2527         (Sized_incremental_binary::got_plt_reader): New function.
2528         (Sized_incremental_binary::do_file_is_unchanged): New function.
2529         (Sized_incremental_binary::Sized_input_reader): New class.
2530         (Sized_incremental_binary::get_input_reader): New function.
2531         (Sized_incremental_binary::find_incremental_inputs_sections):
2532         Rename do_find_incremental_inputs_sections to this.
2533         (Sized_incremental_binary::setup_readers): New function.
2534         (Sized_incremental_binary::has_incremental_info_): New data member.
2535         (Sized_incremental_binary::inputs_reader_): New data member.
2536         (Sized_incremental_binary::symtab_reader_): New data member.
2537         (Sized_incremental_binary::relocs_reader_): New data member.
2538         (Sized_incremental_binary::got_plt_reader_): New data member.
2539         (Sized_incremental_binary::current_input_file_): New data member.
2540
2541 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2542
2543         PR gold/12640
2544         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2545         violation.
2546
2547 2011-03-30  Cary Coutant  <ccoutant@google.com>
2548
2549         * archive.cc (Archive::include_member): Adjust call to report_object.
2550         (Add_archive_symbols::run): Add script_info to call to
2551         report_archive_begin.
2552         (Lib_group::include_member): Adjust call to report_object.
2553         (Add_lib_group_symbols::run): Adjust call to report_object.
2554         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2555         blocks.  Add object count for script input files.
2556         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2557         script_info parameter; change all callers.
2558         (Incremental_inputs::report_object): Add script_info parameter;
2559         change all callers.
2560         (Incremental_inputs::report_script): Store backpointer to
2561         incremental info entry.
2562         (Output_section_incremental_inputs::set_final_data_size): Record
2563         additional information for scripts.
2564         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2565         * incremental.h (Incremental_script_entry::add_object): New function.
2566         (Incremental_script_entry::get_object_count): New function.
2567         (Incremental_script_entry::get_object): New function.
2568         (Incremental_script_entry::objects_): New data member; adjust
2569         constructor.
2570         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2571         (Incremental_inputs::report_object): Add script_info parameter.
2572         (Incremental_inputs_reader::get_object_count): New function.
2573         (Incremental_inputs_reader::get_object_offset): New function.
2574         * options.cc (Input_arguments::add_file): Return reference to
2575         new input argument.
2576         * options.h (Input_argument::set_script_info): New function.
2577         (Input_argument::script_info): New function.
2578         (Input_argument::script_info_): New data member; adjust all
2579         constructors.
2580         (Input_file_group::add_file): Return reference to new input argument.
2581         (Input_file_lib::add_file): Likewise.
2582         (Input_arguments::add_file): Likewise.
2583         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2584         * script.cc (Parser_closure::Parser_closure): Add script_info
2585         parameter; adjust all callers.
2586         (Parser_closure::script_info): New function.
2587         (Parser_closure::script_info_): New data member.
2588         (read_input_script): Report scripts earlier to incremental info.
2589         (script_add_file): Set script_info in Input_argument.
2590         (script_add_library): Likewise.
2591         * script.h (Script_options::Script_info): Rewrite class.
2592
2593 2011-03-29  Cary Coutant  <ccoutant@google.com>
2594
2595         * archive.cc (Library_base::should_include_member): Move
2596         method here from class Archive.
2597         (Archive::Archive): Initialize base class.
2598         (Archive::should_include_member): Move to base class.
2599         (Archive::do_for_all_unused_symbols): New function.
2600         (Add_archive_symbols::run): Remove redundant access to
2601         incremental_inputs.
2602         (Lib_group::Lib_group): Initialize base class.
2603         (Lib_group::do_filename): New function.
2604         (Lib_group::include_member): Pass pointer to Lib_group to
2605         report_object.
2606         (Lib_group::do_for_all_unused_symbols): New function.
2607         (Add_lib_group_symbols::run): Report archive information for
2608         incremental links.
2609         * archive.h (class Library_base): New base class.
2610         (class Archive): Derive from Library_base.
2611         (Archive::filename): Move to base class.
2612         (Archive::set_incremental_info): Likewise.
2613         (Archive::incremental_info): Likewise.
2614         (Archive::Should_include): Likewise.
2615         (Archive::should_include_member): Likewise.
2616         (Archive::Armap_entry): Remove.
2617         (Archive::Unused_symbol_iterator): Remove.
2618         (Archive::unused_symbols_begin): Remove.
2619         (Archive::unused_symbols_end): Remove.
2620         (Archive::do_filename): New function.
2621         (Archive::do_get_mtime): New function.
2622         (Archive::do_for_all_unused_symbols): New function.
2623         (Archive::task_): Move to base class.
2624         (Archive::incremental_info_): Likewise.
2625         (class Lib_group): Derive from Library_base.
2626         (Lib_group::do_filename): New function.
2627         (Lib_group::do_get_mtime): New function.
2628         (Lib_group::do_for_all_unused_symbols): New function.
2629         (Lib_group::task_): Move to base class.
2630         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2631         function.
2632         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2633         function.
2634         * incremental.cc (Incremental_inputs::report_archive_begin):
2635         Use Library_base; call library's get_mtime; add incremental inputs
2636         entry before members.
2637         (class Unused_symbol_visitor): New class.
2638         (Incremental_inputs::report_archive_end): Use Library_base; use
2639         visitor class to record unused symbols; don't add incremental inputs
2640         entry after members.
2641         (Incremental_inputs::report_object): Use Library_base.
2642         * incremental.h
2643         (Incremental_archive_entry::Incremental_archive_entry): Remove
2644         unused Archive parameter.
2645         (Incremental_inputs::report_archive_begin): Use Library_base.
2646         (Incremental_inputs::report_archive_end): Likewise.
2647         (Incremental_inputs::report_object): Likewise.
2648         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2649         function.
2650         * object.h (Object::for_all_global_symbols): New function.
2651         (Object::do_for_all_global_symbols): New function.
2652         (Sized_relobj::do_for_all_global_symbols): New function.
2653         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2654         function.
2655         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2656         function.
2657
2658 2011-03-27  Ian Lance Taylor  <iant@google.com>
2659
2660         * archive.cc (Archive::interpret_header): Return -1 if something
2661         goes wrong.  Change callers accordingly.
2662
2663 2011-03-25  Cary Coutant  <ccoutant@google.com>
2664
2665         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2666         * testsuite/Makefile.in: Regenerate.
2667
2668 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2669
2670         * plugin.cc (get_view): New.
2671         (Plugin::load): Pass get_view to the plugin.
2672         (Plugin_manager::get_view): New.
2673
2674 2011-03-21  Ian Lance Taylor  <iant@google.com>
2675
2676         * testsuite/final_layout.sh: Rewrite to not use dc.
2677         * testsuite/relro_test.sh: Fail if dc is not present.
2678
2679 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2680
2681         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2682         Change == to -eq.
2683         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2684         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2685         Change == to -eq.
2686         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2687         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2688
2689 2011-03-14  Ian Lance Taylor  <iant@google.com>
2690
2691         * script-sections.cc (Sort_output_sections::script_compare):
2692         Rename from is_before, change return type.
2693         (Sort_output_sections::operator()): Adjust accordingly.
2694
2695 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2696
2697         PR gold/12572
2698         * testsuite/odr_violation2.cc: Add comment to make all error line
2699         numbers double digits.
2700         * testsuite/debug_msg.sh: Adjust expected errors.
2701
2702 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2703
2704         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2705         but mark earlier ones as non-canonical
2706         (offset_to_iterator): Update search target and example
2707         (do_addr2line): Return extra lines in a vector*
2708         (format_file_lineno): Extract from do_addr2line
2709         (one_addr2line): Add vector* out-param
2710         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2711         when a lineno entry appeared last for its instruction
2712         (Dwarf_line_info): Add vector* out-param
2713         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2714         * symtab.cc (Odr_violation_compare): Include the lineno in the
2715         comparison again.
2716         (linenos_from_loc): New. Combine the canonical line for an
2717         address with its other lines.
2718         (True_if_intersect): New. Helper functor to make
2719         std::set_intersection a query.
2720         (detect_odr_violations): Compare sets of lines instead of just
2721         one line for each function. This became less deterministic, but
2722         has fewer false positives.
2723         * symtab.h: Declarations.
2724         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2725         mix an optimized and non-optimized object in the same binary
2726         (odr_violation2.so): Same.
2727         * testsuite/Makefile.in: Regenerate from Makefile.am.
2728         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2729         * testsuite/debug_msg.sh: Update line numbers and add
2730         assertions.
2731         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2732         non-optimized context.
2733         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2734         isn't inlined, and use OdrDerived in an optimized context.
2735         * testsuite/odr_header1.h: Defines OdrDerived, where
2736         optimization will change the
2737         first-instruction-in-the-destructor's file and line number.
2738         * testsuite/odr_header2.h: Defines OdrBase.
2739
2740 2011-03-09  Ian Lance Taylor  <iant@google.com>
2741
2742         * fileread.cc (File_read::clear_views): Don't delete the whole
2743         file view.
2744
2745 2011-03-08  Ian Lance Taylor  <iant@google.com>
2746
2747         PR gold/12525
2748         * fileread.cc: #include <climits>.
2749         (GOLD_IOV_MAX): Define.
2750         (File_read::read_multiple): Limit number of entries by iov_max.
2751         * fileread.h (class File_read): Always set max_readv_entries to
2752         128.
2753
2754 2011-03-07  Ian Lance Taylor  <iant@google.com>
2755
2756         PR gold/12525
2757         * options.h (class General_options): Add -dy and -dn.
2758
2759 2011-03-02  Cary Coutant  <ccoutant@google.com>
2760
2761         * testsuite/script_test_9.t: Add TLS segment.
2762
2763 2011-03-02  Simon Baldwin  <simonb@google.com>
2764
2765         * configure.ac: Add check for gnu_indirect_function support in
2766         the toolchain building binutils.
2767         * configure: Rebuild.
2768
2769 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2770
2771         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2772         plugin only symbols.
2773         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2774         in plugin files as not needed in the symbol table.
2775
2776 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2777
2778         * output.cc (Output_section::add_input_section): Delay fill
2779         generation for section ordering.
2780
2781 2011-02-09  Ian Lance Taylor  <iant@google.com>
2782
2783         PR gold/12316
2784         * object.h (class Sized_relobj): Remove clear_local_symbols.
2785         * reloc.cc (Sized_relobj::do_relocate): Don't call
2786         clear_local_symbols.
2787
2788 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2789
2790         * plugin.cc (is_visible_from_outside): Return true for symbols
2791         in the -u option.
2792
2793 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2794
2795         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2796         filename.
2797
2798 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2799
2800         * icf.h (is_section_foldable_candidate): Change type of parameter
2801         to std::string.
2802         * icf.cc (Icf::find_identical_sections): Change type of local variable
2803         section_name to be std::string.
2804         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2805
2806 2011-01-25  Ian Lance Taylor  <iant@google.com>
2807
2808         * script.cc (script_add_extern): Rewrite to use
2809         add_symbol_reference.
2810
2811 2011-01-25  Doug Kwan  <dougkwan@google.com>
2812
2813         * icf.cc (get_section_contents): Always lock section's object.
2814
2815 2011-01-24  Ian Lance Taylor  <iant@google.com>
2816
2817         * options.h (class General_options): Accept
2818         --no-detect-odr-violations.
2819
2820 2011-01-24  Ian Lance Taylor  <iant@google.com>
2821
2822         * version.cc (version_string): Bump to 1.11.
2823
2824 2011-01-24  Ian Lance Taylor  <iant@google.com>
2825
2826         * plugin.cc (class Plugin_rescan): Define new class.
2827         (Plugin_manager::claim_file): Set any_claimed_.
2828         (Plugin_manager::save_archive): New function.
2829         (Plugin_manager::save_input_group): New function.
2830         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2831         necessary.
2832         (Plugin_manager::new_undefined_symbol): New function.
2833         (Plugin_manager::rescan): New function.
2834         (Plugin_manager::rescannable_defines): New function.
2835         (Plugin_manager::add_input_file): Set any_added_.
2836         * plugin.h (class Plugin_manager): define new fields rescannable_,
2837         undefined_symbols_, any_claimed_, and any_added_.  Declare
2838         Plugin_rescan as friend.  Declare new functions.
2839         (Plugin_manager::Rescannable): Define type.
2840         (Plugin_manager::Rescannable_list): Define type.
2841         (Plugin_manager::Undefined_symbol_list): Define type.
2842         (Plugin_manager::Plugin_manager): Initialize new fields.
2843         * archive.cc (Archive::defines_symbol): New function.
2844         (Add_archive_symbols::run): Pass archive to plugins if any.
2845         * archive.h (class Archive): Declare defines_symbol.
2846         * readsyms.cc (Input_group::~Input_group): New function.
2847         (Finish_group::run): Pass input_group to plugins if any.
2848         * readsyms.h (class Input_group): Declare destructor.
2849         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2850         any.
2851
2852 2011-01-10  Ian Lance Taylor  <iant@google.com>
2853
2854         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2855         section as relro.
2856         (Layout::set_segment_offsets): Reset increase_relro before calling
2857         set_section_addresses a second time.
2858
2859 2011-01-04  Cary Coutant  <ccoutant@google.com>
2860
2861         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2862         sections before NOBITS sections.
2863
2864 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2865
2866         * version.cc (print_version): Update copyright to 2011.
2867
2868 2010-12-23  Cary Coutant  <ccoutant@google.com>
2869
2870         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2871         of OS to this->add.  Add OD parameter to second form of the function.
2872
2873 2010-12-20  Ian Lance Taylor  <iant@google.com>
2874
2875         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2876         second of two consecutive entries with same offset.
2877
2878 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2879
2880         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2881         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2882         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2883         to avoid unneeded links against $(LDADD).
2884         * testsuite/Makefile.in: Regenerate.
2885
2886 2010-12-15  Ian Lance Taylor  <iant@google.com>
2887
2888         PR gold/12324
2889         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2890         for R_X86_64_32 and R_X86_64_PC32.
2891         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2892         ver_matching_def_pic.o.
2893         (ver_matching_def_pic.o): New target.
2894
2895 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2896
2897         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2898         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2899         Move definition before File_read::View member definitions.
2900         (File_read::View::~View): Initialize and hold lock before
2901         updating current_mapped_bytes.
2902
2903 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2904
2905         * dwarf_reader.cc: Remove outdated comment.
2906         * gold-threads.cc: Fix typo in error message.
2907         * archive.cc: Fix typos in comments.
2908         * archive.h: Likewise.
2909         * arm-reloc-property.cc: Likewise.
2910         * arm-reloc-property.h: Likewise.
2911         * arm-reloc.def: Likewise.
2912         * arm.cc: Likewise.
2913         * attributes.h: Likewise.
2914         * cref.cc: Likewise.
2915         * ehframe.cc: Likewise.
2916         * fileread.h: Likewise.
2917         * gold.h: Likewise.
2918         * i386.cc: Likewise.
2919         * icf.cc: Likewise.
2920         * incremental.h: Likewise.
2921         * int_encoding.cc: Likewise.
2922         * layout.h: Likewise.
2923         * main.cc: Likewise.
2924         * merge.h: Likewise.
2925         * object.cc: Likewise.
2926         * object.h: Likewise.
2927         * options.cc: Likewise.
2928         * readsyms.cc: Likewise.
2929         * reduced_debug_output.cc: Likewise.
2930         * reloc.cc: Likewise.
2931         * script-sections.cc: Likewise.
2932         * sparc.cc: Likewise.
2933         * symtab.h: Likewise.
2934         * target-reloc.h: Likewise.
2935         * target.cc: Likewise.
2936         * target.h: Likewise.
2937         * timer.cc: Likewise.
2938         * timer.h: Likewise.
2939         * x86_64.cc: Likewise.
2940
2941 2010-12-09  Cary Coutant  <ccoutant@google.com>
2942
2943         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2944         stack.
2945         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2946         parameter; change all callers.
2947         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2948         * options.h (warn_execstack): New option.
2949
2950 2010-12-07  Doug Kwan  <dougkwan@google.com>
2951
2952         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2953         like function call relocations.
2954
2955 2010-12-07  Ian Lance Taylor  <iant@google.com>
2956
2957         * archive.cc (Archive::get_elf_object_for_member): Permit
2958         punconfigured to be NULL.
2959         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2960         (Archive::include_member): Pass NULL to get_elf_object_for_member
2961         if we searched for the archive and this is the first included
2962         object.
2963
2964 2010-12-01  Ian Lance Taylor  <iant@google.com>
2965
2966         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2967         track_relocs_type_ field.
2968         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2969         Set track_relocs_type_.
2970         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2971         contents when using RELA relocs.
2972         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2973         reloc_map_.
2974         * reloc.cc (Track_relocs::next_addend): New function.
2975         * reloc.h (class Track_relocs): Declare next_addend.
2976
2977 2010-12-01  Ian Lance Taylor  <iant@google.com>
2978
2979         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2980         virtual destructor.
2981
2982 2010-12-01  Ian Lance Taylor  <iant@google.com>
2983
2984         * README: Update compilers known to work and fail.
2985
2986 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2987
2988         * configure.in: For --enable-gold, handle value `default' instead of
2989         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2990         not the default.
2991         * configure: Regenerate.
2992
2993 2010-11-18  Doug Kwan  <dougkwan@google.com>
2994
2995         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2996         and right_alignment to be zero.  Store result alignment only if it is
2997         greater than existing alignment.
2998
2999 2010-11-16  Cary Coutant  <ccoutant@google.com>
3000
3001         PR gold/12220
3002         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3003         Check for ".zdebug_line".
3004
3005 2010-11-16  Doug Kwan  <dougkwan@google.com>
3006             Cary Coutant  <ccoutant@google.com>
3007
3008         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3009         by reference; adjust all callers.
3010         * output.cc (Output_segment::set_section_addresses): Adjust references
3011         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3012         list is empty.
3013         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3014         end at page boundary.
3015
3016 2010-11-16  Cary Coutant  <ccoutant@google.com>
3017
3018         PR gold/12220
3019         * layout.cc (Layout::choose_output_section): Transform names of
3020         compressed sections even when using a script with a SECTIONS clause.
3021         (Layout::output_section_name): Remove code to transform
3022         compressed debug section names.
3023         * output.cc (Output_section::add_input_section): Use uncompressed
3024         section size when tracking input sections.
3025
3026 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3027
3028         * symtab.h (Symbol::NON_PIC_REF): Remove.
3029         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3030         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3031         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3032         (Symbol::use_plt_offset): Take a flags argument and pass it
3033         directly to needs_dynamic_reloc.  Restrict check for undefined
3034         weak symbols to function calls.
3035         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3036         (Target_arm::Scan::global): Use it.
3037         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3038         (Target_arm::Relocate::relocate): Likewise.
3039         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3040         parameter with an r_type parameter.  Use get_reference_flags
3041         to get the flags.
3042         (Target_arm::Relocate::relocate): Update accordingly.
3043         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3044         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3045         (Target_i386::Scan::global): Likewise.
3046         (Target_i386::Relocate::relocate): Likewise.
3047         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3048         parameter with an r_type parameter.  Use get_reference_flags
3049         to get the flags.
3050         (Target_i386::Relocate::relocate): Update accordingly.
3051         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3052         (Target_powerpc::Scan::global): Use it.
3053         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3054         (Target_powerpc::Relocate::relocate): Likewise.
3055         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3056         (Target_sparc::Scan::global): Use it.
3057         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3058         (Target_sparc::Relocate::relocate): Likewise.
3059         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3060         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3061         (Target_x86_64::Scan::global): Likewise.
3062         (Target_x86_64::Relocate::relocate): Likewise.
3063
3064 2010-11-08  Doug Kwan  <dougkwan@google.com>
3065             Cary Coutant  <ccoutant@google.com>
3066
3067         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3068         (Arm_exidx_merge_section::section_contents_): New data member.
3069         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3070         (Arm_input_section::~Arm_input_section): De-allocate memory.
3071         (Arm_input_section::original_contents_): New data member.
3072         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3073         in parameters instead of calling Object::section_contents without
3074         locking.
3075         (Arm_output_section::group_section): New parameter TASK.  Pass it
3076         to callees that need locking objects.
3077         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3078         to lock EXIDX input sections.  Fix a formatting issue.  Call
3079         Arm_exidx_merged_section::build_contents to create merged section
3080         contents.
3081         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3082         to lock object of stub table owner.
3083         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3084         TEXT_SIZE to initialize data member TEXT_SIZE_.
3085         (Arm_exidx_input_section::addralign): Fix typo in comment.
3086         (Arm_exidx_input_section::text_size): New method.
3087         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3088         that require locking objects.  Lock objects before scanning for stubs
3089         and updating local symbols.
3090         (Arm_input_section<big_endian>::init): Copy contents of original
3091         input section.
3092         (Arm_input_section<big_endian>::do_write): Use saved contents of
3093         original input section instead of calling Object::section_contents
3094         without locking.
3095         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3096         size without calling Object::section_size().
3097         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3098         for size.  Allocate a buffer for merged EXIDX entries.
3099         (Arm_exidx_merged_section::build_contents): New method.
3100         (Arm_exidx_merged_section::do_write): Move merge section contents
3101         building code to Arm_exidx_merged_section::build_contetns.  Write
3102         out contetns in buffer instead of building it on the fly.
3103         (Arm_relobj::make_exidx_input_section): Also pass text section size
3104         to Arm_exidx_input_section constructor.
3105         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3106         (Arm_dynobj::do_read_symbols): Fix memory leak.
3107         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3108         * target.h: (class Task): Add forward declaration.
3109         (Target::relax): Add new parameter TASK and pass it to
3110         Target::do_relax().
3111         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3112
3113 2010-11-05  Cary Coutant  <ccoutant@google.com>
3114
3115         PR gold/10708
3116         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3117         object when reading from the file.
3118         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3119         second layout pass.
3120         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3121         when reading section contents.
3122         (get_section_contents): Likewise.
3123         (icf::find_identical_sections): Likewise.
3124         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3125         object when reading from the file.
3126         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3127         the object when doing deferred section layout.
3128
3129 2010-11-03  Nick Clifton  <nickc@redhat.com>
3130
3131         PR gold/12001
3132         * script.h (class Symbol_assignment: name): New member.  Returns
3133         the name of the symbol.
3134         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3135         Returns true if the given symbol name is on the list of
3136         assignments wating to be processed.
3137         * archive.cc (should_incldue_member): If the symbol is undefined,
3138         check to see if it is on the list of symbols pending assignment.
3139
3140 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3141
3142         * script-sections.cc (Script_sections::find_memory_region): Check
3143         for a NULL output section pointer.
3144
3145 2010-10-29  Doug Kwan  <dougkwan@google.com>
3146
3147         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3148         Output_section::add_relaxed_input_section.
3149         * output.cc (Output_section::add_relaxed_input_section): Add new
3150         arguments LAYOUT and NAME.  Set section order index.
3151         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3152         Copy section order index.
3153         * output.h (Output_section::add_relaxed_input_section): Add new
3154         arguments LAYOUT and NAME.
3155
3156 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3157
3158         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3159         NATIVE_OR_CROSS_LINKER.
3160         * testsuite/Makefile.in: Regenerate.
3161
3162 2010-10-20  Doug Kwan  <dougkwan@google.com>
3163
3164         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3165         without SHF_LINK_ORDER flags.
3166         * layout.cc (Layout::choose_output_section): Do not filter
3167         SHF_LINK_ORDER flag in a relocatable link.
3168
3169 2010-10-17  Cary Coutant  <ccoutant@google.com>
3170
3171         * output.h (Output_segment::set_section_addresses): Change function
3172         signature.  Update all callers.
3173         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3174         sections.
3175         (Output_segment::set_section_addresses): Align after last TLS
3176         section.  Add padding before last relro section instead of after.
3177
3178 2010-10-17  Doug Kwan  <dougkwan@google.com>
3179
3180         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3181         GOT output section to be writable.
3182
3183 2010-10-14  Cary Coutant  <ccoutant@google.com>
3184
3185         * debug.h (DEBUG_INCREMENTAL): New flag.
3186         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3187         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3188         mode.
3189         * incremental.cc (report_command_line): Ignore all forms of
3190         --incremental.
3191         * layout.cc (Layout::Layout): Check parameters for incremental link
3192         mode.
3193         * options.cc (General_options::parse_incremental): New function.
3194         (General_options::parse_no_incremental): New function.
3195         (General_options::parse_incremental_full): New function.
3196         (General_options::parse_incremental_update): New function.
3197         (General_options::incremental_mode_): New data member.
3198         (General_options::finalize): Check incremental_mode_.
3199         * options.h (General_options): Update help text for --incremental.
3200         Add --no-incremental, --incremental-full, --incremental-update.
3201         (General_options::Incremental_mode): New enum type.
3202         (General_options::incremental_mode): New function.
3203         (General_options::incremental_mode_): New data member.
3204         * parameters.cc (Parameters::incremental_mode_): New data member.
3205         (Parameters::set_options): Set incremental_mode_.
3206         (Parameters::set_incremental_full): New function.
3207         (Parameters::incremental): New function.
3208         (Parameters::incremental_update): New function.
3209         (set_parameters_incremental_full): New function.
3210         * parameters.h (Parameters::set_incremental_full): New function.
3211         (Parameters::incremental): New function.
3212         (Parameters::incremental_update): New function.
3213         (Parameters::incremental_mode_): New data member.
3214         (set_parameters_incremental_full): New function.
3215         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3216         incremental link mode.
3217         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3218         (Sized_relobj::do_relocate_sections): Likewise.
3219         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3220         option.
3221         * testsuite/Makefile.in: Regenerate.
3222         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3223
3224 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3225
3226         * script-sections.h (class Script_sections): Make
3227         Sections_elements typedef public.
3228         * script-sections.cc (class Sort_output_sections): Add elements_
3229         field.  Add constructor which sets it; change all callers.
3230         (Sort_output_sections::is_before): New function.
3231         (Sort_output_sections::operator()): Call is_before.
3232         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3233         conditional.
3234         * testsuite/script_test_10.sh: New test. Test script section
3235         order.
3236         * testsuite/script_test_10.t: Likewise.
3237         * testsuite/script_test_10.s: Likewise.
3238         * testsuite/Makefile.am: Wrap the cross linker tests and the
3239         common tests into NATIVE_OR_CROSS_LINKER.
3240         (check_SCRIPTS): Add script_test_10.sh.
3241         (check_DATA): Add script_test_10.stdout.
3242         (script_test_10.o, script_test_10): New targets.
3243         (script_test_10.stdout): New target.
3244         * configure, testsuite/Makefile.in: Regenerate.
3245
3246 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3247
3248         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3249         error for the deprecated relocations.
3250         (Target_arm::Scan::global): Likewise.
3251         (Target_arm::Relocate::relocate): Likewise.
3252
3253 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3254
3255         * fileread.cc (Input_file::find_file): Initialize *found_name
3256         and *namep when using the fallback search for case 4.
3257
3258 2010-10-11  Cary Coutant  <ccoutant@google.com>
3259
3260         * options.h (class General_options): Redefine -z lazy as an alias for
3261         the negation of -z now.
3262
3263 2010-10-11  Ian Lance Taylor  <iant@google.com>
3264
3265         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3266         binding.
3267
3268 2010-10-06  Nick Clifton  <nickc@redhat.com>
3269
3270         * script-sections.cc(class Memory_region): Remove
3271         current_lma_offset_ field.  Rename current_vma_offset_ to
3272         current_offset_.  Add last_section_ field.
3273         (Memory_region::get_current_vma_address): Rename to
3274         get_current_address.
3275         (Memory_region::get_current_lma_address): Delete.
3276         (Memory_region::increment_vma_offset): Rename to
3277         increment_offset.
3278         (Memory_region::increment_lma_offset): Delete.
3279         (Memory_region::attributes_compatible): New method.  Returns
3280         true if the provided section is compatible with the region.
3281         (Memory_region::get_last_section): New method.  Returns the last
3282         section to use the region.
3283         (Memory_region::set_last_section): New method.  Stores the last
3284         section to use the region.
3285         (Script_sections::block_in_region): New method.  Returns true if
3286         a block of memory is contained within a region.
3287         (Script_sections::find_memory_region): New method.  Locates a
3288         memory region to be used to set a VMA or LMA address.
3289         (Output_section_definition::set_section_addresses): Add code to
3290         check for addresses set by memory regions.
3291         (Output_segment::set_section_addresses): Remove memory region
3292         walking code.
3293         (Script_sections::create_segment): Add a warning if a header
3294         segment is created outside of any region.
3295         * script-sections.h (class Script_sections): Add prototypes for
3296         find_memory_region and block_in_region methods.
3297         * testsuite/memory_test.s: Use .long instead of .word.
3298         * testsuite/memory_test.t: Add some more output sections.
3299         * testsuite/memory_test.sh: Update expected output.
3300
3301 2010-10-02  Doug Kwan  <dougkwan@google.com>
3302
3303         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3304         defintion to symtab.h
3305         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3306         declaration to defintion.
3307
3308 2010-10-01  Nick Clifton  <nickc@redhat.com>
3309
3310         * expression.cc (eval): Replace dummy argument with NULL.
3311         (eval_maybe_dot): Check for a NULL result section pointer.
3312         (Symbol_expression::value): Likewise.
3313         (Dot_expression::value): Likewise.
3314         (BINARY_EXPRESSION): Likewise.
3315         (Max_expression::value): Likewise.
3316         (Min_expression::value): Likewise.
3317         (Absolute_expression::value): Likewise.
3318         (Addr_expression::value_from_output_section): Likewise.
3319         (Loaddddr_expression::value_from_output_section): Likewise.
3320         (Segment_start_expression::value): Likewise.
3321         * script-sections.cc
3322         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3323         argument with NULL.
3324         (Sections_elememt_dot_assignment::set_section_addresses):
3325         Likewise.
3326         (Output_data_expression::do_write_to_buffer): Likewise.
3327         (Output_section_definition::finalize_symbols): Likewise.
3328         (Output_section_definition::set_section_addresses): Likewise.
3329
3330 2010-09-30  Doug Kwan  <dougkwan@google.com>
3331
3332         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3333
3334 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3335
3336         * target.h (Target::can_icf_inline_merge_sections): New virtual
3337         function.
3338         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3339         virtual function.
3340         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3341         virtual function.
3342         * icf.cc (get_section_contents): Inline merge sections only when
3343         target allows it.
3344
3345 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3346
3347         * configure: Regenerate.
3348
3349 2010-09-17  Ian Lance Taylor  <iant@google.com>
3350
3351         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3352         * testsuite/Makefile.am (memory_test.o): New target.
3353         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3354         memory_test.t.
3355         * testsuite/Makefile.in: Rebuild.
3356
3357 2010-09-17  Doug Kwan  <dougkwan@google.com>
3358
3359         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3360         defintion if relocation uses GOT entries of the symbol.
3361         * testsuite/icf_safe_test.sh: Fix test.
3362         * testsuite/icf_safe_so_test.sh: Fix test.
3363
3364 2010-09-16  Cary Coutant  <ccoutant@google.com>
3365
3366         * script_sections.cc (class Memory_region): Remove "NULL" from
3367         vector initializations.
3368
3369 2010-09-15  Cary Coutant  <ccoutant@google.com>
3370
3371         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3372         Resolve forwarding symbols.
3373
3374 2010-09-15  Doug Kwan  <dougkwan@google.com>
3375
3376         * gold/testsuite/script_test_3.t: Add ARM special sections.
3377         * gold/testsuite/script_test_4.t: Same.
3378         * gold/testsuite/script_test_5.t: Same.
3379         * gold/testsuite/script_test_6.t: Same.
3380         * gold/testsuite/script_test_7.t: Same.
3381         * gold/testsuite/script_test_7.t: Same.
3382         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3383
3384 2010-09-14  Cary Coutant  <ccoutant@google.com>
3385
3386         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3387         (Target_x86_64::Relocate::relocate_tls): Replace check for
3388         saw_tls_block_reloc_ with test for executable section.
3389
3390 2010-09-12  Cary Coutant  <ccoutant@google.com>
3391
3392         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3393         position-independent executables to shared libraries need dynamic
3394         relocations.
3395         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3396         position-independent executables.
3397         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3398         * testsuite/Makefile.in: Regenerate.
3399
3400 2010-09-10  Nick Clifton  <nickc@redhat.com>
3401
3402         PR gold/11997
3403         * testsuite/memory_test.t: Discard any sections that are not
3404         needed.
3405
3406 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3407
3408         PR gold/11996
3409         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3410         "This::" to work around a bug in gcc 4.2.
3411
3412         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3413
3414 2010-09-09  Rafael Espindola  <espindola@google.com>
3415
3416         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3417         sections with different PF_X flags in the same segment.
3418         (Layout::find_first_load_seg): Search all segments to find the first
3419         one.
3420         * options.h (rosegment): New.
3421
3422 2010-09-08  Rafael Espindola  <espindola@google.com>
3423
3424         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3425
3426 2010-09-08  Doug Kwan  <dougkwan@google.com>
3427
3428         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3429         (Arm_relobj::do_relocate_sections): Add new parameter for output
3430         file to match the parent.
3431         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3432         of local symbols instead of input values.  Update code to track
3433         changes in gold::relocate_section.
3434         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3435         (Sized_relobj::compute_final_local_value_internal): New methods.
3436         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3437         body into private version of Sized_relobj::compute_final_local_value.
3438         Call the inline method.
3439         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3440         merged symbol value if there is one.
3441         (Symbol_value::has_output_value): New method defintiion.
3442         (Sized_relobj::Compute_final_local_value_status): New enum type.
3443         (Sized_relobj::compute_final_local_value): New methods.
3444         (Sized_relobj::compute_final_local_value_internal): New methods.
3445         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3446         and arm_cortex_a8.sh.
3447         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3448         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3449         New tests.
3450         * Makefile.in: Regenerate.
3451         * testsuite/arm_bl_out_of_range.s: Update test.
3452         * testsuite/thumb_bl_out_of_range.s: Ditto.
3453         * testsuite/thumb_blx_out_of_range.s: Ditto.
3454         * testsuite/arm_branch_out_of_range.sh: New file.
3455         * testsuite/arm_cortex_a8.sh: Ditto.
3456         * testsuite/arm_cortex_a8_b.s: Ditto.
3457         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3458         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3459         * testsuite/arm_cortex_a8_bl.s: Ditto.
3460         * testsuite/arm_cortex_a8_blx.s: Ditto.
3461         * testsuite/arm_cortex_a8_local.s: Ditto.
3462         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3463         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3464
3465 2010-09-08  Rafael Espindola  <espindola@google.com>
3466
3467         * Makefile.am (memory_test.stdout): Run readelf with -W.
3468         * Makefile.in: Regenerate.
3469         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3470         64 bit output.
3471
3472 2010-09-08  Rafael Espindola  <espindola@google.com>
3473
3474         * script-sections.cc (Script_sections::add_memory_region): Convert
3475         field precision to int.
3476         * script.cc (script_set_section_region, script_set_section_region):
3477         Convert field precision to int.
3478
3479 2010-09-08  Rafael Espindola  <espindola@google.com>
3480
3481         * arm.cc (do_finalize_sections): Create the __exidx_start and
3482         __exdix_end symbols even when the section is missing.
3483
3484 2010-09-08  Nick Clifton  <nickc@redhat.com>
3485
3486         * README: Remove claim that MEMORY is not supported.
3487         * expression.cc (script_exp_function_origin)
3488         (script_exp_function_length): Move from here to ...
3489         * script.cc: ... here.
3490         (script_set_section_region, script_add_memory)
3491         (script_parse_memory_attr, script_include_directive): New
3492         functions.
3493         * script-sections.cc
3494         (class Memory_region): New class.
3495         (class Output_section_definition): Add set_memory_region,
3496         set_section_vma, set_section_lma and get_section_name methods.
3497         (class Script_Sections): Add add_memory_region,
3498         find_memory_region, find_memory_region_origin,
3499         find_memory_region_length and set_memory_region methods.
3500         Have set_section_addresses method walk the list of set memory
3501         regions.
3502         Extend the print methos to display memory regions.
3503         * script-sections.h: Add prototypes for new methods.
3504         Add enum for MEMORY region attributes.
3505         * yyscript.y: Add support for parsing MEMORY regions.
3506         * script-c.h: Add prototypes for new functions.
3507         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3508         * testsuite/Makefile.in: Regenerate.
3509         * testsuite/memory_test.sh: New script.
3510         * testsuite/memory_test.s: New assembler source file.
3511         * testsuite/memory_test.t: New linker script.
3512
3513 2010-08-27  Doug Kwan  <dougkwan@google.com>
3514
3515         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3516         reference override an existing dynamic weak reference.
3517         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3518         * testsuite/Makefile.in: Regenerate.
3519         * testsuite/dyn_weak_ref.sh: New file.
3520         * testsuite/dyn_weak_ref_1.c: Ditto.
3521         * testsuite/dyn_weak_ref_2.c: Ditto.
3522
3523 2010-08-27  Ian Lance Taylor  <iant@google.com>
3524
3525         * incremental.h (class Incremental_input_entry): Add virtual
3526         destructor.
3527
3528 2010-08-27  Ian Lance Taylor  <iant@google.com>
3529
3530         * testsuite/start_lib_test_3.c: Mark t3 as used.
3531
3532 2010-08-27  Nick Clifton  <nickc@redhat.com>
3533
3534         * options.cc (version_script): Fix small typo in previous
3535         whitespace tidyup.
3536
3537 2010-08-25  Nick Clifton  <nickc@redhat.com>
3538
3539         * archive.cc: Formatting fixes: Remove whitespace between
3540         typename and following asterisk.  Remove whitespace between
3541         function name and opening parenthesis.
3542         * archive.h: Likewise.
3543         * arm.cc: Likewise.
3544         * attributes.cc: Likewise.
3545         * attributes.h: Likewise.
3546         * common.cc: Likewise.
3547         * copy-relocs.cc: Likewise.
3548         * dirsearch.h: Likewise.
3549         * dynobj.cc: Likewise.
3550         * ehframe.cc: Likewise.
3551         * ehframe.h: Likewise.
3552         * expression.cc: Likewise.
3553         * fileread.cc: Likewise.
3554         * fileread.h: Likewise.
3555         * gc.h: Likewise.
3556         * gold-threads.cc: Likewise.
3557         * gold.cc: Likewise.
3558         * i386.cc: Likewise.
3559         * icf.h: Likewise.
3560         * incremental-dump.cc: Likewise.
3561         * incremental.cc: Likewise.
3562         * layout.cc: Likewise.
3563         * layout.h: Likewise.
3564         * main.cc: Likewise.
3565         * merge.cc: Likewise.
3566         * merge.h: Likewise.
3567         * object.cc: Likewise.
3568         * object.h: Likewise.
3569         * options.cc: Likewise.
3570         * options.h: Likewise.
3571         * output.cc: Likewise.
3572         * output.h: Likewise.
3573         * plugin.cc: Likewise.
3574         * plugin.h: Likewise.
3575         * powerpc.cc: Likewise.
3576         * reloc.cc: Likewise.
3577         * script-c.h: Likewise.
3578         * script-sections.cc: Likewise.
3579         * script.cc: Likewise.
3580         * stringpool.cc: Likewise.
3581         * symtab.cc: Likewise.
3582         * symtab.h: Likewise.
3583         * target.cc: Likewise.
3584         * timer.cc: Likewise.
3585         * timer.h: Likewise.
3586         * version.cc: Likewise.
3587         * x86_64.cc: Likewise.
3588
3589 2010-08-24  Nick Clifton  <nickc@redhat.com>
3590
3591         PR 11899
3592         * layout.cc (segment_precedes): Sort segments by their physical
3593         addresses, if they have been set.
3594
3595 2010-08-23  Cary Coutant  <ccoutant@google.com>
3596
3597         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3598         symbols data.
3599         (Lib_group::include_member): Unlock object after deleting its
3600         symbols data.
3601         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3602         the bug fixed here.
3603
3604 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3605             Cary Coutant  <ccoutant@google.com>
3606
3607         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3608         constructor, and set_blocker.
3609         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3610         readsyms_blocker_.
3611         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3612         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3613         * testsuite/Makefile.am (start_lib_test): New test case.
3614         * testsuite/Makefile.in: Regenerate.
3615         * testsuite/start_lib_test_main.c: New file.
3616         * testsuite/start_lib_test_1.c: New file.
3617         * testsuite/start_lib_test_2.c: New file.
3618         * testsuite/start_lib_test_3.c: New file.
3619
3620 2010-08-19  Ian Lance Taylor  <iant@google.com>
3621
3622         * Makefile.in: Rebuild with automake 1.11.1.
3623         * aclocal.m4: Likewise.
3624         * testsuite/Makefile.in: Likewise.
3625
3626 2010-08-19  Ian Lance Taylor  <iant@google.com>
3627
3628         PR 10893
3629         * i386.cc (class Output_data_plt_i386): Update declarations.
3630         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3631         local_ifuncs_ fields.
3632         (Target_i386::do_plt_section_for_global): New function.
3633         (Target_i386::do_plt_section_for_local): New function.
3634         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3635         parameter; change all callers.  Initialize global_ifuncs_ and
3636         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3637         __rel_iplt_end.
3638         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3639         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3640         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3641         symbols.
3642         (Target_i386::make_plt_section): New function, broken out of
3643         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3644         (Target_i386::make_plt_entry): Call make_plt_section.
3645         (Target_i386::make_local_ifunc_plt_entry): New function.
3646         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3647         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3648         R_386_IRELATIVE to switch.
3649         (Target_i386::Scan::global): Likewise.
3650         (Target_i386::Relocate::relocate): Likewise.
3651         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3652         switch.
3653         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3654         (Target_x86_64::do_plt_section_for_global): New function.
3655         (Target_x86_64::do_plt_section_for_local): New function.
3656         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3657         parameter; change all callers.  If doing a static link define
3658         __rela_iplt_start and __rela_iplt_end.
3659         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3660         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3661         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3662         to point to .plt.
3663         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3664         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3665         switch.
3666         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3667         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3668         R_X86_64_IRELATIVE to switch.
3669         (Target_x86_64::Scan::global): Likewise.
3670         (Target_x86_64::Relocate::relocate): Likewise.
3671         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3672         switch.
3673         * target.h (class Target): Add plt_section_for_global and
3674         plt_section_for_local functions.  Add do_plt_section_for_global
3675         and do_plt_section_for_local virtual functions.
3676         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3677         clarifying comments.
3678         (Symbol::use_plt_offset): Handle IFUNC symbol.
3679         * object.cc (Sized_relobj::Sized_relobj): Initialize
3680         local_plt_offsets_.
3681         (Sized_relobj::local_has_plt_offset): New function.
3682         (Sized_relobj::local_plt_offset): New function.
3683         (Sized_relobj::set_local_plt_offset): New function.
3684         (Sized_relobj::do_count): Handle IFUNC symbol.
3685         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3686         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3687         is_ifunc_symbol functions.
3688         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3689         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3690         local_plt_offsets_ field.
3691         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3692         * output.h (class Output_section_data): Add non-const
3693         output_section function.
3694         (class Output_data_got): Update declarations.
3695         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3696         Add use_plt_offset parameter to global and local constructors.
3697         Change all callers.  Change local_sym_index_ field to 31 bits.
3698         Change GSYM_CODE and CONSTANT_CODE accordingly.
3699         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3700         doing a static link don't set sh_link field.
3701         (Output_data_got::Got_entry::write): Use PLT offset if
3702         appropriate.
3703         (Output_data_got::add_global_plt): New function.
3704         (Output_data_got::add_local_plt): New function.
3705         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3706         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3707         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3708         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3709         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3710         IFUNC conditional.
3711         * testsuite/ifunc-sel.h: New file.
3712         * testsuite/ifuncmain1.c: New file.
3713         * testsuite/ifuncmain1vis.c: New file.
3714         * testsuite/ifuncmod1.c: New file.
3715         * testsuite/ifuncdep2.c: New file.
3716         * testsuite/ifuncmain2.c: New file.
3717         * testsuite/ifuncmain3.c: New file.
3718         * testsuite/ifuncmod3.c: New file.
3719         * testsuite/ifuncmain4.c: New file.
3720         * testsuite/ifuncmain5.c: New file.
3721         * testsuite/ifuncmod5.c: New file.
3722         * testsuite/ifuncmain6pie.c: New file.
3723         * testsuite/ifuncmod6.c: New file.
3724         * testsuite/ifuncmain7.c: New file.
3725         * configure, testsuite/Makefile.in: Rebuild.
3726
3727 2010-08-18  Ian Lance Taylor  <iant@google.com>
3728
3729         * incremental.cc
3730         (Output_section_incremental_inputs::write_input_files): Add cast
3731         to avoid signed/unsigned comparison warning.
3732         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3733
3734 2010-08-12  Cary Coutant  <ccoutant@google.com>
3735
3736         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3737
3738 2010-08-13  Ian Lance Taylor  <iant@google.com>
3739
3740         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3741
3742 2010-08-12  Cary Coutant  <ccoutant@google.com>
3743             Doug Kwan  <dougkwan@google.com>
3744
3745         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3746         defintion overrides non-weak undef, remember that the original undef
3747         is not weak.
3748         * symtab.cc (Symbol_table::sized_write_global): For undef without
3749         an original weak binding, set binding to global in output.
3750         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3751         * testsuite/Makefile.in: Regenerate.
3752         * testsuite/strong_ref_weak_def.sh: New file.
3753         * testsuite/strong_ref_weak_def_1.c: Ditto.
3754         * testsuite/strong_ref_weak_def_2.c: Ditto.
3755
3756 2010-08-12  Cary Coutant  <ccoutant@google.com>
3757
3758         * testsuite/incremental_test.sh: Rewrite.
3759         * testsuite/incremental_test_1.c: Rewrite.
3760         * testsuite/incremental_test_2.c: Rewrite.
3761
3762 2010-08-12  Cary Coutant  <ccoutant@google.com>
3763
3764         * arm.cc (Target_arm::got_size): Add const.
3765         (Target_arm::got_entry_count): New function.
3766         (Target_arm::plt_entry_count): New function.
3767         (Target_arm::first_plt_entry_offset): New function.
3768         (Target_arm::plt_entry_size): New function.
3769         (Output_data_plt_arm::entry_count): New function.
3770         (Output_data_plt_arm::first_plt_entry_offset): New function.
3771         (Output_data_plt_arm::get_plt_entry_size): New function.
3772         * i386.cc (Target_i386::got_size): Add const.
3773         (Target_i386::got_entry_count): New function.
3774         (Target_i386::plt_entry_count): New function.
3775         (Target_i386::first_plt_entry_offset): New function.
3776         (Target_i386::plt_entry_size): New function.
3777         (Output_data_plt_i386::entry_count): New function.
3778         (Output_data_plt_i386::first_plt_entry_offset): New function.
3779         (Output_data_plt_i386::get_plt_entry_size): New function.
3780         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3781         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3782         * incremental.cc: Include target.h.
3783         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3784         parameter.  Adjust all callers.  Find incremental_got_plt section.
3785         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3786         section.
3787         (Output_section_incremental_inputs::set_final_data_size): Calculate
3788         size of incremental_got_plt section.
3789         (Output_section_incremental_inputs::do_write): Write the
3790         incremental_got_plt section.
3791         (Got_plt_view_info): New struct.
3792         (Local_got_offset_visitor): New class.
3793         (Global_got_offset_visitor): New class.
3794         (Global_symbol_visitor_got_plt): New class.
3795         (Output_section_incremental_inputs::write_got_plt): New function.
3796         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3797         Add parameter.  Adjust all callers.
3798         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3799         (Incremental_inputs::got_plt_section): New function.
3800         (Incremental_inputs::got_plt_section_): New data member.
3801         (Incremental_got_plt_reader): New class.
3802         * layout.cc (Layout::create_incremental_info_sections): Add the
3803         incremental_got_plt section.
3804         * object.h (Got_offset_list::get_list): New function.
3805         (Got offset_list::for_all_got_offsets): New function.
3806         (Sized_relobj::local_got_offset_list): New function.
3807         * powerpc.cc (Target_powerpc::got_size): Add const.
3808         (Target_powerpc::got_entry_count): New function.
3809         (Target_powerpc::plt_entry_count): New function.
3810         (Target_powerpc::first_plt_entry_offset): New function.
3811         (Target_powerpc::plt_entry_size): New function.
3812         (Output_data_plt_powerpc::entry_count): New function.
3813         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3814         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3815         * sparc.cc (Target_sparc::got_size): Add const.
3816         (Target_sparc::got_entry_count): New function.
3817         (Target_sparc::plt_entry_count): New function.
3818         (Target_sparc::first_plt_entry_offset): New function.
3819         (Target_sparc::plt_entry_size): New function.
3820         (Output_data_plt_sparc::entry_count): New function.
3821         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3822         (Output_data_plt_sparc::get_plt_entry_size): New function.
3823         * symtab.h (Symbol::got_offset_list): New function.
3824         (Symbol_table::for_all_symbols): New function.
3825         * target.h (Sized_target::got_entry_count): New function.
3826         (Sized_target::plt_entry_count): New function.
3827         (Sized_target::plt_entry_size): New function.
3828         * x86_64.cc (Target_x86_64::got_size): Add const.
3829         (Target_x86_64::got_entry_count): New function.
3830         (Target_x86_64::plt_entry_count): New function.
3831         (Target_x86_64::first_plt_entry_offset): New function.
3832         (Target_x86_64::plt_entry_size): New function.
3833         (Output_data_plt_x86_64::entry_count): New function.
3834         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3835         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3836
3837 2010-08-12  Cary Coutant  <ccoutant@google.com>
3838
3839         * archive.cc: Include incremental.h.
3840         (Archive::Archive): Initialize incremental_info_.
3841         (Archive::include_member): Record archive members in incremental info.
3842         (Add_archive_symbols::run): Record begin and end of an archive in
3843         incremental info.
3844         (Lib_group::include_member): Record objects in incremental info.
3845         * archive.h (Incremental_archive_entry): Forward declaration.
3846         (Archive::set_incremental_info): New member function.
3847         (Archive::incremental_info): New member function.
3848         (Archive::Unused_symbol_iterator): New class.
3849         (Archive::unused_symbols_begin): New member function.
3850         (Archive::unused_symbols_end): New member function.
3851         (Archive::incremental_info_): New data member.
3852         * incremental-dump.cc (find_input_containing_global): New function.
3853         (dump_incremental_inputs): Dump new incremental info sections.
3854         * incremental.cc: Include symtab.h.
3855         (Output_section_incremental_inputs): New class.
3856         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3857         new incremental info sections.
3858         (Sized_incremental_binary::do_check_inputs): Likewise.
3859         (Incremental_inputs::report_archive): Remove.
3860         (Incremental_inputs::report_archive_begin): New function.
3861         (Incremental_inputs::report_archive_end): New function.
3862         (Incremental_inputs::report_object): New function.
3863         (Incremental_inputs::finalize_inputs): Remove.
3864         (Incremental_inputs::report_input_section): New function.
3865         (Incremental_inputs::report_script): Rewrite.
3866         (Incremental_inputs::finalize): Do nothing but finalize string table.
3867         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3868         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3869         (Incremental_inputs::create_data_sections): New function.
3870         (Incremental_inputs::relocs_entsize): New function.
3871         (Output_section_incremental_inputs::set_final_data_size): New function.
3872         (Output_section_incremental_inputs::do_write): New function.
3873         (Output_section_incremental_inputs::write_header): New function.
3874         (Output_section_incremental_inputs::write_input_files): New function.
3875         (Output_section_incremental_inputs::write_info_blocks): New function.
3876         (Output_section_incremental_inputs::write_symtab): New function.
3877         * incremental.h (Incremental_script_entry): Forward declaration.
3878         (Incremental_object_entry): Forward declaration.
3879         (Incremental_archive_entry): Forward declaration.
3880         (Incremental_inputs): Forward declaration.
3881         (Incremental_inputs_header_data): Remove.
3882         (Incremental_inputs_header): Remove.
3883         (Incremental_inputs_header_write): Remove.
3884         (Incremental_inputs_entry_data): Remove.
3885         (Incremental_inputs_entry): Remove.
3886         (Incremental_inputs_entry_write): Remove.
3887         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3888         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3889         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3890         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3891         Likewise.
3892         (Incremental_input_entry): New class.
3893         (Incremental_script_entry): New class.
3894         (Incremental_object_entry): New class.
3895         (Incremental_archive_entry): New class.
3896         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3897         (Incremental_inputs::report_inputs): Remove.
3898         (Incremental_inputs::report_archive): Remove.
3899         (Incremental_inputs::report_archive_begin): New function.
3900         (Incremental_inputs::report_archive_end): New function.
3901         (Incremental_inputs::report_object): Change prototype.
3902         (Incremental_inputs::report_input_section): New function.
3903         (Incremental_inputs::report_script): Change prototype.
3904         (Incremental_inputs::get_reloc_count): New function.
3905         (Incremental_inputs::set_reloc_count): New function.
3906         (Incremental_inputs::create_data_sections): New function.
3907         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3908         (Incremental_inputs::inputs_section): New function.
3909         (Incremental_inputs::symtab_section): New function.
3910         (Incremental_inputs::relocs_section): New function.
3911         (Incremental_inputs::get_stringpool): Add const.
3912         (Incremental_inputs::command_line): Add const.
3913         (Incremental_inputs::inputs): Remove.
3914         (Incremental_inputs::command_line_key): New function.
3915         (Incremental_inputs::input_file_count): New function.
3916         (Incremental_inputs::input_files): New function.
3917         (Incremental_inputs::relocs_entsize): New function.
3918         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3919         (Incremental_inputs::finalize_inputs): Remove.
3920         (Incremental_inputs::Input_info): Remove.
3921         (Incremental_inputs::lock_): Remove.
3922         (Incremental_inputs::inputs_): Change type.
3923         (Incremental_inputs::inputs_map_): Remove.
3924         (Incremental_inputs::current_object_entry_): New data member.
3925         (Incremental_inputs::inputs_section_): New data member.
3926         (Incremental_inputs::symtab_section_): New data member.
3927         (Incremental_inputs::relocs_section_): New data member.
3928         (Incremental_inputs::reloc_count_): New data member.
3929         (Incremental_inputs_reader): New class.
3930         (Incremental_symtab_reader): New class.
3931         (Incremental_relocs_reader): New class.
3932         * layout.cc (Layout::finalize): Move finalization of incremental info
3933         and creation of incremental info sections to follow finalization of
3934         symbol table.  Set offsets for postprocessing sections.
3935         (Layout::create_incremental_info_sections): Call
3936         Incremental_inputs::create_data_sections.  Add incremental symtab
3937         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3938         sections to layout after input sections.
3939         * layout.h (struct Timespec): Forward declaration.
3940         (Layout::incremental_inputs): Add const.
3941         (Layout::create_incremental_info_sections): Add parameter.
3942         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3943         * object.cc: Include incremental.h.
3944         (Relobj::finalize_incremental_relocs): New function.
3945         (Sized_relobj::do_layout): Record input sections in incremental info.
3946         * object.h (Object::output_section): New function.
3947         (Object::output_section_offset): Moved from Relobj.
3948         (Object::get_incremental_reloc_base): New function.
3949         (Object::get_incremental_reloc_count): New function.
3950         (Object::do_output_section): New function.
3951         (Object::do_output_section_offset): Moved from Relobj.
3952         (Object::do_get_incremental_reloc_base): New function.
3953         (Object::do_get_incremental_reloc_count): New function.
3954         (Object::Object): Initialize new data members.
3955         (Relobj::output_section): Renamed do_output_section and moved to
3956         protected.
3957         (Relobj::output_section_offset): Moved to Object.
3958         (Relobj::do_get_incremental_reloc_base): New function.
3959         (Relobj::do_get_incremental_reloc_count): New function.
3960         (Relobj::allocate_incremental_reloc_counts): New function.
3961         (Relobj::count_incremental_reloc): New function.
3962         (Relobj::finalize_incremental_relocs): New function.
3963         (Relobj::next_incremental_reloc_index): New function.
3964         (Relobj::reloc_counts_): New data member.
3965         (Relobj::reloc_bases_): New data member.
3966         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3967         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3968         (Sized_relobj::incremental_relocs_scan): New function.
3969         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3970         (Sized_relobj::incremental_relocs_write): New function.
3971         (Sized_relobj::incremental_relocs_write_reltype): New function.
3972         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3973         incremental link.
3974         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3975         archives and object files elsewhere.
3976         (Add_symbols::run): Report object files here.
3977         (Finish_group::run): Report end of archive at end of group.
3978         * reloc.cc: Include layout.h, incremental.h.
3979         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3980         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3981         (Sized_relobj::incremental_relocs_scan): New function.
3982         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3983         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3984         (Sized_relobj::incremental_relocs_write): New function.
3985         (Sized_relobj::incremental_relocs_write_reltype): New function.
3986         * script.cc (read_input_script): Rewrite test for incremental link.
3987         Change call to Incremental_inputs::report_script.
3988         * symtab.h (Symbol_table::first_global_index): New function.
3989         (Symbol_table::output_count): New function.
3990
3991 2010-08-12  Doug Kwan  <dougkwan@google.com>
3992
3993         * arm.cc (Target_arm::merge_object_attributes): Check command line
3994         options --no-wchar-size-warning and --no-enum-size-warning.
3995         * options.h (General_options): Add ld-compatible options
3996         --no-enum-size-warning and --no-wchar-size-warning.
3997
3998 2010-08-04  Ian Lance Taylor  <iant@google.com>
3999
4000         * x86_64.cc (Target_x86_64::Scan::local): Use
4001         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4002         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4003         (Target_x86_64::Scan::global): Likewise.
4004         (Target_x86_64::Relocate::relocate): Likewise.
4005         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4006         Likewise.
4007
4008 2010-08-03  Cary Coutant  <ccoutant@google.com>
4009
4010         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4011         to reserve space in merged_strings vector. Keep total input size
4012         for stats.
4013         (Output_merge_string::do_print_merge_stats): Print total input size.
4014         * merge.h (Output_merge_string): Add input_size_ field.
4015         * stringpool.cc (Stringpool_template::string_length): Move
4016         implementations out of Stringpool_template class and place in
4017         stringpool.h.
4018         * stringpool.h (string_length): Move out of Stringpool_template.
4019
4020 2010-08-03  Ian Lance Taylor  <iant@google.com>
4021
4022         PR 11712
4023         * layout.cc (relaxation_loop_body): If address of load segment is
4024         set, adjust address to include headers if possible.
4025
4026 2010-08-03  Ian Lance Taylor  <iant@google.com>
4027
4028         * version.cc (version_string): Bump to 1.10.
4029
4030 2010-08-03  Ian Lance Taylor  <iant@google.com>
4031
4032         PR 11805
4033         * layout.h (enum Output_section_order): Define.
4034         (class Layout): Update declarations.
4035         * layout.cc (Layout::get_output_section): Add order parameter.
4036         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4037         is_first_non_relro parameters.  Change all callers.
4038         (Layout::choose_output_section): Likewise.
4039         (Layout::add_output_section_data): Likewise.
4040         (Layout::make_output_section): Likewise.  Set order.
4041         (Layout::default_section_order): New function.
4042         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4043         * output.cc (Output_section::Output_section): Initialize order_.
4044         Don't initialize deleted fields.
4045         (Output_segment::Output_segment): Don't initialize deleted
4046         fields.
4047         (Output_segment::add_output_section_to_load): New function
4048         replacing add_output_section.  Change all callers to call this or
4049         add_output_section_to_nonload.
4050         (Output_segment::add_output_section_to_nonload): New function.
4051         (Output_segment::remove_output_section): Rewrite.
4052         (Output_segment::add_initial_output_data): Likewise.
4053         (Output_segment::has_any_data_sections): Likewise.
4054         (Output_segment::is_first_section_relro): Likewise.
4055         (Output_segment::maximum_alignment): Likewise.
4056         (Output_segment::has_dynamic_reloc): New function replacing
4057         dynamic_reloc_count.  Change all callers.
4058         (Output_segment::has_dynamic_reloc_list): New function replacing
4059         dynamic_reloc_count_list.  Change all callers.
4060         (Output_segment::set_section_addresses): Rewrite.
4061         (Output_segment::set_offset): Rewrite.
4062         (Output_segment::find_first_and_last_list): Remove.
4063         (Output_segment::set_tls_offsets): Rewrite.
4064         (Output_segment::first_section_load_address): Likewise.
4065         (Output_segment::output_section_count): Likewise.
4066         (Output_segment::section_with_lowest_load_address): Likewise.
4067         (Output_segment::write_section_headers): Likewise.
4068         (Output_segment::print_sections_to_map): Likewise.
4069         * output.h (class Output_data): Remove dynamic_reloc_count_
4070         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4071         (Output_data::add_dynamic_reloc): Rewrite.
4072         (Output_data::has_dynamic_reloc): New function.
4073         (Output_data::dynamic_reloc_count): Remove.
4074         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4075         is_last_relro_, is_first_non_relro_, is_interp_,
4076         is_dynamic_linker_section_ fields.  Add order and set_order
4077         functions.  Remove is_relro_local, set_is_relro_local,
4078         is_last_relro, set_is_last_relro, is_first_non_relro,
4079         set_is_first_non_relro functions, is_interp, set_is_interp,
4080         is_dynamic_linker_section, and set_is_dynamic_linker_section
4081         functions.
4082         (class Output_segment): Change Output_data_list from std::list to
4083         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4084         output_bss_ fields.  Update declarations.
4085
4086 2010-08-02  Ian Lance Taylor  <iant@google.com>
4087
4088         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4089         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4090         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4091
4092 2010-08-02  Ian Lance Taylor  <iant@google.com>
4093
4094         PR 11855
4095         * script.cc (Script_options::Script_options): Initialize
4096         symbol_definitions_ and symbol_references_.
4097         (Script_options::add_symbol_assignment): Update
4098         symbol_definitions_ and symbol_references_.
4099         (Script_options::add_symbol_reference): New function.
4100         (script_symbol): New function.
4101         * script.h (class Script_options): Add symbol_definitions_ and
4102         symbol_references_ fields.
4103         (Script_options::referenced_const_iterator): New type.
4104         (Script_options::referenced_begin): New function.
4105         (Script_options::referenced_end): New function.
4106         (Script_options::is_referenced): New function.
4107         (Script_options::any_unreferenced): New function.
4108         * script-c.h (script_symbol): Declare.
4109         * yyscript.y (exp): Call script_symbol.
4110         * symtab.cc: Include "script.h".
4111         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4112         Change all callers.  Check symbols referenced by scripts.
4113         (Symbol_table::add_undefined_symbols_from_command_line): Add
4114         layout parameter.  Change all callers.
4115         (Symbol_table::do_add_undefined_symbols_from_command_line):
4116         Likewise.  Break out loop body.  Check symbols referenced by
4117         scripts.
4118         (Symbol_table::add_undefined_symbol_from_command_line): New
4119         function broken out of
4120         do_add_undefined_symbols_from_command_line.
4121         * symtab.h (class Symbol_table): Update declarations.
4122         * archive.cc: Include "layout.h".
4123         (Archive::should_include_member): Add layout parameter.  Change
4124         all callers.  Check for symbol mentioned in expression.
4125         * archive.h (class Archive): Update declaration.
4126         * object.cc (Sized_relobj::do_should_include_member): Add layout
4127         parameter.
4128         * object.h (Object::should_include_member): Add layout parameter.
4129         Change all callers.
4130         (Object::do_should_include_member): Add layout parameter.
4131         (class Sized_relobj): Update declaration.
4132         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4133         parameter.
4134         * dynobj.h (class Sized_dynobj): Update declaration.
4135         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4136         layout parameter.
4137         * plugin.h (class Sized_pluginobj): Update declaration.
4138
4139 2010-08-02  Ian Lance Taylor  <iant@google.com>
4140
4141         PR 11866
4142         * output.cc (Output_segment::set_offset): Search for the first and
4143         last sections rather than assuming that the list is in order.
4144         (Output_segment::find_first_and_last_list): New function.
4145         * output.h (class Output_segment): Update declarations.
4146         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4147         (relro_strip_test_SOURCES): New variable.
4148         (relro_strip_test_DEPENDENCIES): New variable.
4149         (relro_strip_test_LDFLAGS): New variable.
4150         (relro_strip_test_LDADD): New variable.
4151         (relro_strip_test.so): New target.
4152
4153 2010-08-02  Ian Lance Taylor  <iant@google.com>
4154
4155         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4156         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4157         (Target_i386::got_tlsdesc_section): New function.
4158         (Target_i386::got_section): Create space for GOT entries for
4159         TLSDESC relocations.
4160         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4161         R_386_TLS_GOTDESC.
4162         (Target_i386::Scan::global): Likewise.
4163         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4164         using TLSDESC GOT.
4165         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4166         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4167         (Target_x86_64::got_tlsdesc_section): New function.
4168         (Target_x86_64::got_section): Create space for GOT entries for
4169         TLSDESC relocations.
4170         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4171         R_386_TLS_GOTDESC.
4172         (Target_x86_64::Scan::global): Likewise.
4173         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4174         using TLSDESC GOT.
4175
4176 2010-08-02  Ian Lance Taylor  <iant@google.com>
4177
4178         * testsuite/final_layout.sh: Use dc to convert from hex to
4179         decimal.
4180
4181 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4182
4183         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4184         paramter to the call to gold::gc_process_relocs.
4185         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4186         paramter to the call to gold::gc_process_relocs.
4187         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4188         parameter to the call to gold::gc_process_relocs.
4189         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4190         template parameter to the call to gold::gc_process_relocs.
4191         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4192         paramter to the call to gold::gc_process_relocs.
4193         * gc.h (get_embedded_addend_size): New function.
4194         (gc_process_relocs): Save the size of the reloc for use by ICF.
4195         * icf.cc (get_section_contents): Get the addend from the text section
4196         for SHT_REL relocation sections.
4197         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4198         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4199         * int_encoding.h (read_from_pointer): New overloaded function.
4200         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4201         * testsuite/icf_sht_rel_addend_test.sh: New file.
4202         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4203         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4204
4205 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4206
4207         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4208         * Makefile.in: Regenerate.
4209         * testsuite/Makefile.in: Regenerate.
4210
4211 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4212
4213         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4214         * gold/testsuite/debug_msg.cc: Likewise.
4215         * gold/testsuite/odr_violation1.cc
4216         * gold/testsuite/odr_violation2.cc
4217
4218 2010-07-21  Cary Coutant  <ccoutant@google.com>
4219
4220         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4221         string, and length fields.
4222         (Output_merge_string::Merged_strings_list): New type.
4223         (Output_merge_string::Merged_strings_lists): New typedef.
4224         (Output_merge_string): Replace merged_strings_ with
4225         merged_strings_lists_.
4226         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4227         Merged_strings_list per input object and section.  Don't store pointer
4228         to the string.  Don't store length with each merged string entry.
4229         (Output_merge_string::finalize_merged_data): Loop over list of merged
4230         strings lists.  Recompute length of each merged string.
4231
4232 2010-07-15  Cary Coutant  <ccoutant@google.com>
4233
4234         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4235         here.
4236
4237 2010-07-14  Ian Lance Taylor  <iant@google.com>
4238
4239         * descriptors.cc (Descriptors::open): Report correct name in error
4240         message.
4241
4242 2010-07-13  Doug Kwan  <dougkwan@google.com>
4243
4244         * arm.cc (Arm_input_section::Arm_input_section): For a
4245         SHT_ARM_EXIDX section, always keeps the input sections.
4246         (Arm_input_section::set_exidx_section_link): New method.
4247         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4248         has_errors_ to false.
4249         (Arm_exidx_input_section::has_errors,
4250         Arm_exidx_input_section::set_has_errors): New methods.
4251         (Arm_exidx_input_section::has_errors_): New data member.
4252         (Arm_relobj::get_exidx_shndx_list): New method.
4253         (Arm_output_section::append_text_sections_to_list): Do not skip
4254         section without SHF_EXECINSTR.
4255         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4256         errors.
4257         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4258         section header.  Make error messages more verbose.  Check for
4259         a non-executable section linked to an EXIDX section.
4260         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4261         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4262         check that there is no deferred EXIDX section if we exit early.
4263         Instead of not making an EXIDX section in case of an error, make one
4264         and set the has_errors flag of it.
4265         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4266         in a relocatable link.
4267         (Target_arm::do_relax): Look for the EXIDX output section instead of
4268         assuming that it is called .ARM.exidx.
4269         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4270         section list.  Do not check for SHF_EXECINSTR section flags but
4271         skip any input section with errors.
4272         * output.cc (Output_section::Output_section): Initialize
4273         always_keeps_input_sections_ to false.
4274         (Output_section::add_input_section): Check for
4275         always_keeps_input_sections_.
4276         *  output.h (Output_section::always_keeps_input_sections,
4277         Output_section::set_always_keeps_input_sections): New methods.
4278         (Output_section::always_keeps_input_sections): New data member.
4279
4280 2010-07-13  Rafael Espindola  <espindola@google.com>
4281
4282         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4283         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4284
4285 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4286             Ian Lance Taylor  <iant@google.com>
4287
4288         * output.h (Output_section_lookup_maps::add_merge_section):
4289         Correct check of whether value was inserted.
4290         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4291         (Output_section_lookup_maps::add_relaxed_input_section):
4292         Likewise.
4293         * arm.cc (Target_arm::got_section): Remove used local os.
4294         * i386.cc (Target_i386::got_section): Likewise.
4295         * x86_64.cc (Target_x86_64::got_section): Likewise.
4296         * sparc.cc (Target_sparc::got_section): Likewise.
4297         (Target_sparc::relocate): Remove unused local have_got_offset.
4298         * powerpc.cc (Target_powerpc::relocate): Likewise.
4299
4300 2010-07-13  Ian Lance Taylor  <iant@google.com>
4301
4302         * compressed_output.cc (zlib_decompress): Fix signature in
4303         !HAVE_ZLIB_H case.
4304
4305         * archive.cc (Archive::include_member): Unlock an external member
4306         of a thin archive.  Don't bother to delete an object we know is
4307         NULL.
4308
4309 2010-07-12  Cary Coutant  <ccoutant@google.com>
4310
4311         * compressed_output.cc (zlib_decompress): New function.
4312         (get_uncompressed_size): New function.
4313         (decompress_input_section): New function.
4314         * compressed_output.h (get_uncompressed_size): New function.
4315         (decompress_input_section): New function.
4316         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4317         Handle compressed debug sections.
4318         * layout.cc (is_compressed_debug_section): New function.
4319         (Layout::output_section_name): Map compressed section names to
4320         canonical names.
4321         * layout.h (is_compressed_debug_section): New function.
4322         (is_debug_info_section): Recognize compressed debug sections.
4323         * merge.cc: Include compressed_output.h.
4324         (Output_merge_data::do_add_input_section): Handle compressed
4325         debug sections.
4326         (Output_merge_string::do_add_input_section): Handle compressed
4327         debug sections.
4328         * object.cc: Include compressed_output.h.
4329         (Sized_relobj::Sized_relobj): Initialize new data members.
4330         (build_compressed_section_map): New function.
4331         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4332         * object.h (Object::section_is_compressed): New method.
4333         (Object::do_section_is_compressed): New method.
4334         (Sized_relobj::Compressed_section_map): New type.
4335         (Sized_relobj::do_section_is_compressed): New method.
4336         (Sized_relobj::compressed_sections_): New data member.
4337         * output.cc (Output_section::add_input_section): Handle compressed
4338         debug sections.
4339         * reloc.cc: Include compressed_output.h.
4340         (Sized_relobj::write_sections): Handle compressed debug sections.
4341
4342 2010-07-08  Cary Coutant  <ccoutant@google.com>
4343
4344         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4345         weak when resolving to a dynamic def.
4346         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4347         for weak undef/dynamic def cases. Adjust callers.
4348         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4349         undef_binding_weak_.
4350         (Symbol_table::sized_write_globals): Adjust symbol binding.
4351         (Symbol_table::sized_write_symbol): Add binding parameter.
4352         * symtab.h (Symbol::set_undef_binding): New method.
4353         (Symbol::is_undef_binding_weak): New method.
4354         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4355         (Symbol_table::should_override): Add new parameter.
4356         (Symbol_table::sized_write_symbol): Add new parameter.
4357
4358         * testsuite/weak_undef_file1.cc: Add new test case.
4359         * testsuite/weak_undef_file2.cc: Fix header comment.
4360         * testsuite/weak_undef_test.cc: Add new test case.
4361
4362 2010-06-29  Doug Kwan  <dougkwan@google.com>
4363
4364         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4365         Initialize USE_SYMBOL_.
4366         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4367         definition.
4368         (Arm_reloc_property::uses_symbol_): New data member declaration.
4369         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4370         uses symbol value and symbol is undefined but not weakly undefined.
4371
4372 2010-06-28  Rafael Espindola  <espindola@google.com>
4373
4374         * plugin.cc (Plugin::load): Use dlerror.
4375
4376 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4377
4378         * symtab.cc (detect_odr_violations): When reporting an ODR
4379         violation, report an object where the symbol is defined.
4380
4381 2010-06-25  Doug Kwan  <dougkwan@google.com>
4382
4383         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4384         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4385         definition.
4386         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4387         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4388         target hook to detect function points.
4389         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4390         * icf.h (Icf::check_section_for_function_pointers): Change type of
4391         parameter SECTION_NAME to const reference to std::string.  Use
4392         target hook to determine if section may have unsafe pointers.
4393         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4394         method definition.
4395
4396 2010-06-21  Rafael Espindola  <espindola@google.com>
4397
4398         * fileread.cc (Input_file::find_fie): New
4399         (Input_file::open): Use Input_file::find_fie.
4400         * fileread.h (Input_file::find_fie): New
4401         * plugin.cc (set_extra_library_path): New.
4402         (Plugin::load): Add set_extra_library_path to the transfer vector.
4403         (Plugin_manager::set_extra_library_path): New.
4404         (Plugin_manager::add_input_file): Use the extra search path if set.
4405         (set_extra_library_path(): New.
4406         * plugin.h (Plugin_manager): Add set_extra_library_path and
4407         extra_search_path_.
4408
4409 2010-06-19  Cary Coutant  <ccoutant@google.com>
4410
4411         * layout.cc (gdb_sections): Add .debug_types.
4412         (lines_only_debug_sections): Likewise.
4413
4414 2010-06-18  Rafael Espindola  <espindola@google.com>
4415
4416         * plugin.cc (add_input_file,add_input_library)
4417         (Plugin_manager::add_input_file): Make filename arguments const.
4418         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4419         const.
4420
4421 2010-06-16  Doug Kwan  <dougkwan@google.com>
4422
4423         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4424         .ARM.attributes section if we have not merged any input
4425         attributes sections.
4426
4427 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4428
4429         * arm.cc: Allow combining objects with no EABI version
4430         information.
4431
4432 2010-06-15  Rafael Espindola  <espindola@google.com>
4433
4434         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4435
4436 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4437
4438         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4439         (struct iovec): Correct !HAVE_READV definition.
4440
4441 2010-06-10  Cary Coutant  <ccoutant@google.com>
4442
4443         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4444         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4445         reloc sections.
4446         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4447
4448         PR 11683
4449         * symtab.h (Symbol::is_placeholder): New member function.
4450         * target-reloc.h (relocate_section): Check for placeholder symbols.
4451
4452         * testsuite/Makefile.am (plugin_test_8): New test.
4453         (plugin_test_9): New test.
4454         * testsuite/Makefile.in: Regenerate.
4455
4456 2010-06-09  Nick Clifton  <nickc@redhat.com>
4457
4458         * yyscript.y (input_list_element): Allow strings prefixed with
4459         the '-' character.  Treat these as libraries.
4460         * script.cc (script_add_library): New function.  Adds a library
4461         specified by "-l<name>" found in an input script.
4462         * script-c.h: Add prototype for script_add_library.
4463
4464 2010-06-07  Doug Kwan  <dougkwan@google.com>
4465
4466         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4467         Restrict stub-group size to be within long conditional branch
4468         range when working around cortex-A8 erratum.
4469
4470 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4471
4472         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4473         #ifdef typo.
4474
4475 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4476
4477         PR gold/11658
4478         * output.cc
4479         (Output_section::Input_section_sort_entry::compare_section_ordering):
4480         Change to return non-zero correctly.
4481         (Output_section::Input_section_sort_section_order_index_compare
4482         ::operator()): Change to fix ambiguity in comparisons.
4483
4484 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4485
4486         * gold.h (is_wildcard_string): New function.
4487         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4488         (Layout::layout_eh_frame): Ditto.
4489         (Layout::find_section_order_index): New method.
4490         (Layout::read_layout_from_file): New method.
4491         * layout.h (Layout::find_section_order_index): New method.
4492         (Layout::read_layout_from_file): New method.
4493         (Layout::input_section_position_): New private member.
4494         (Layout::input_section_glob_): New private member.
4495         * main.cc (main): Call read_layout_from_file here.
4496         * options.h (--section-ordering-file): New option.
4497         * output.cc (Output_section::input_section_order_specified_): New
4498         member.
4499         (Output_section::Output_section): Initialize new member.
4500         (Output_section::add_input_section): Add new parameter.
4501         Keep input sections when --section-ordering-file is used.
4502         (Output_section::set_final_data_size): Sort input sections when
4503         section ordering file is specified.
4504         (Output_section::Input_section_sort_entry): Add new parameter.
4505         Check sorting type.
4506         (Output_section::Input_section_sort_entry::compare_section_ordering):
4507         New method.
4508         (Output_section::Input_section_sort_compare::operator()): Change to
4509         consider section_order_index.
4510         (Output_section::Input_section_sort_init_fini_compare::operator()):
4511         Change to consider section_order_index.
4512         (Output_section::Input_section_sort_section_order_index_compare
4513         ::operator()): New method.
4514         (Output_section::sort_attached_input_sections): Change to sort
4515         according to section order when specified.
4516         (Output_section::add_input_section<32, true>): Add new parameter.
4517         (Output_section::add_input_section<64, true>): Add new parameter.
4518         (Output_section::add_input_section<32, false>): Add new parameter.
4519         (Output_section::add_input_section<64, false>): Add new parameter.
4520         * output.h (Output_section::add_input_section): Add new parameter.
4521         (Output_section::input_section_order_specified): New
4522         method.
4523         (Output_section::set_input_section_order_specified): New method.
4524         (Input_section::Input_section): Initialize section_order_index_.
4525         (Input_section::section_order_index): New method.
4526         (Input_section::set_section_order_index): New method.
4527         (Input_section::section_order_index_): New member.
4528         (Input_section::Input_section_sort_section_order_index_compare): New
4529         struct.
4530         (Output_section::input_section_order_specified_): New member.
4531         * script-sections.cc (is_wildcard_string): Delete and move modified
4532         method to gold.h.
4533         (Output_section_element_input::Output_section_element_input): Modify
4534         call to is_wildcard_string.
4535         (Output_section_element_input::Input_section_pattern
4536         ::Input_section_pattern): Ditto.
4537         (Output_section_element_input::Output_section_element_input): Ditto.
4538         * testsuite/Makefile.am (final_layout): New test case.
4539         * testsuite/Makefile.in: Regenerate.
4540         * testsuite/final_layout.cc: New file.
4541         * testsuite/final_layout.sh: New file.
4542
4543 2010-06-01  Rafael Espindola  <espindola@google.com>
4544
4545         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4546
4547 2010-06-01  Rafael Espindola  <espindola@google.com>
4548
4549         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4550         visibility of symbols.
4551
4552 2010-05-27  Doug Kwan  <dougkwan@google.com>
4553
4554         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4555         from start of output section instead of address for a local symbol
4556         in a merged or relaxed section when doing a relocatable link.
4557
4558 2010-05-26  Rafael Espindola  <espindola@google.com>
4559
4560        PR 11604
4561         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4562         adding sections the garbage collector removed.
4563         * gold/testsuite/Makefile.am: Add test.
4564         * gold/testsuite/Makefile.in: Regenerate.
4565         * gold/testsuite/plugin_test_7.sh: New.
4566         * gold/testsuite/plugin_test_7_1.c: New.
4567         * gold/testsuite/plugin_test_7_2.c: New.
4568
4569 2010-05-26  Rafael Espindola  <espindola@google.com>
4570
4571         * script-sections.cc (Output_section_definition::set_section_addresses):
4572         Check for --section-start.
4573
4574 2010-05-26  Doug Kwan  <dougkwan@google.com>
4575
4576         * arm.cc (Arm_scan_relocatable_relocs): New class.
4577         (Target_arm::relocate_special_relocatable): New method.
4578         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4579         (Arm_relocate_functions::thumb_branch_common): Same.
4580         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4581         instead of Default_scan_relocatable_relocs.
4582         * target-reloc.h (relocate_for_relocatable): Let target handle
4583         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4584         * target.h (Sized_target::relocate_special_relocatable): New method.
4585
4586 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4587
4588         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4589
4590 2010-05-23  Doug Kwan  <dougkwan@google.com>
4591
4592         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4593         instead of a cast.
4594         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4595         with a direct branch, not a conditional branch, to a stub.
4596         * merge.cc (Output_merge_base::record_input_section): New method
4597         defintion.
4598         (Output_merge_data::do_add_input_section): Record input section if
4599         keeps-input-sections flag is set.
4600         (Output_merge_string::do_add_input_section): Ditto.
4601         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4602         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4603         INPUT_SECTIONS_.
4604         (Output_merge_base::keeps_input_sections,
4605         Output_merge_base::set_keeps_input_sections,
4606         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4607         method definitions.
4608         (Output_merge_base::Input_sections): New type declaration.
4609         (Output_merge_base::input_sections_begin,
4610         Output_merge_base::input_sections_end,
4611         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4612         (Output_merge_base::bool keeps_input_sections_,
4613         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4614         Output_merge_base::input_sections_): New data members.
4615         (Output_merge_data::do_set_keeps_input_sections): New method
4616         defintion.
4617         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4618         * output.cc (Output_section::Input_section::relobj): Move method
4619         defintion from class declaration to here and handle merge sections.
4620         (Output_section::Input_section::shndx): Ditto.
4621         (Output_section::Output_section): Remove initializations of removed
4622         data members and initialize new data member LOOKUP_MAPS_.
4623         (Output_section::add_input_section): Set keeps-input-sections flag
4624         for a newly created merge output section as appropriate.  Adjust code
4625         to use Output_section_lookup_maps class.
4626         (Output_section::add_relaxed_input_section): Adjst code for lookup
4627         maps code refactoring.
4628         (Output_section::add_merge_input_section): Add a new parameter
4629         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4630         class.  If adding input section to a newly created merge output
4631         section fails, remove the new merge section.
4632         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4633         Adjust code for use of the Output_section_lookup_maps class.
4634         (Output_section::find_merge_section): Ditto.
4635         (Output_section::build_lookup_maps): New method defintion.
4636         (Output_section::find_relaxed_input_section): Adjust code to use
4637         Output_section_lookup_maps class.
4638         (Output_section::get_input_sections): Export merge sections.  Adjust
4639         code to use Output_section_lookup_maps class.
4640         (Output_section:::add_script_input_section): Adjust code to use
4641         Output_section_lookup_maps class.  Update lookup maps for merge
4642         sections also.
4643         (Output_section::discard_states): Use Output_section_lookup_maps.
4644         (Output_section::restore_states): Same.
4645         * output.h (Merge_section_properties): Move class defintion out of
4646         Output_section.
4647         (Output_section_lookup_maps): New class.
4648         (Output_section::Input_section::is_merge_section): New method
4649         defintion.
4650         (Output_section::Input_section::relobj): Move defintion out of class
4651         defintion.  Declare method only.
4652         (Output_section::Input_section::shndx): Ditto.
4653         (Output_section::Input_section::output_merge_base): New method defintion.
4654         (Output_section::Input_section::u2_.pomb): New union field.
4655         (Output_section::Merge_section_by_properties_map,
4656         Output_section::Output_section_data_by_input_section_map,
4657         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4658         Remove types.
4659         (Output_section::add_merge_input_section): Add new parameter
4660         KEEPS_INPUT_SECTIONS.
4661         (Output_section::build_lookup_maps): New method declaration.
4662         (Output_section::merge_section_map_,
4663         Output_section::merge_section_by_properties_map_,
4664         Output_section::relaxed_input_section_map_,
4665         Output_section::is_relaxed_input_section_map_valid_): Remove data
4666         members.
4667         (Output_section::lookup_maps_): New data member.
4668
4669 2010-05-21  Doug Kwan  <dougkwan@google.com>
4670
4671         PR gold/11619
4672         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4673         avoid a compilation error.
4674
4675 2010-05-19  Rafael Espindola  <espindola@google.com>
4676
4677         * script-sections.cc (Output_section_definition::allocate_to_segment):
4678         Update the phdrs_list even when the output section is NULL.
4679         * testsuite/Makefile.am: Add test.
4680         * testsuite/Makefile.in: Regenerate.
4681         * testsuite/script_test_9.cc: New.
4682         * testsuite/script_test_9.sh: New.
4683         * testsuite/script_test_9.t: New.
4684
4685 2010-05-19  Doug Kwan  <dougkwan@google.com>
4686
4687         * arm.cc (Arm_input_section::original_size): New method.
4688         (Arm_input_section::do_addralign): Add a cast.
4689         (Arm_input_section::do_output_offset): Remove static cast.
4690         (Arm_input_section::original_addralign,
4691          Arm_input_section::original_size_): Change type to uint32_t.
4692         (Arm_input_section::init): Add safe casts for section alignment
4693         and size.
4694         (Arm_input_section::set_final_data_size): Do not set address and
4695         offset of stub table.
4696         (Arm_output_section::fix_exidx_coverage): Change use of of
4697         Output_section::Simple_input_section to that of
4698         Output_section::Input_section.
4699         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4700         except for the first pass.
4701         * output.cc (Output_section::get_input_sections): Change type of
4702         input_sections to std::list<Input_section>.
4703         (Output_section::add_script_input_section): Rename from
4704         Output_section::add_simple_input_section.  Change type of SIS
4705         parameter from Simple_input_section to Input_section.
4706         * output.h (Output_section::Simple_input_section): Remove class.
4707         (Output_section::Input_section): Change class visibility to public.
4708         (Output_section::Input_section::addralign): Use stored alignments
4709         for special input sections if set.
4710         (Output_section::Input_section::set_addralign): New method.
4711         (Output_section::get_input_sections): Change parameter type from
4712         list of Simple_input_section to list of Input_section.
4713         (Output_section::add_script_input_section): Rename from
4714         Output_section::add_simple_input_section. Change first parameter's
4715         type from Simple_input_section to Input_section and remove the
4716         second and third parameters.
4717         * script-sections.cc (Input_section::Input_section_list): Change
4718         type to list of Output_section::Input_section/
4719         (Input_section_info::Input_section_info): Change parameter type of
4720         INPUT_SECTION to Output_section::Input_section.
4721         (Input_section_info::input_section): Change return type.
4722         (Input_section_info::input_section_): Change type to
4723         Output_section::Input_section.
4724         (Output_section_element_input::set_section_addresses): Adjust code
4725         to use Output_section::Input_section instead of
4726         Output_section::Simple_input_section.  Adjust code for renaming
4727         of Output_section::add_simple_input_section.
4728         (Orphan_output_section::set_section_addresses): Ditto.
4729
4730 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4731
4732         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4733         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4734
4735 2010-05-18  Rafael Espindola  <espindola@google.com>
4736
4737         * options.cc (General_options::finalize): Handle -nostdlib.
4738         * options.h (nostdlib): New option.
4739         * script.cc (script_add_search_dir): Handle -nostdlib.
4740
4741 2010-05-12  Doug Kwan  <dougkwan@google.com>
4742
4743         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4744         attributes section only if there no attributes section after merging.
4745         (Target_arm::merge_object_attributes): Move value of
4746         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4747         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4748         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4749         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4750         and arm_attr_merge_7.stdout.
4751         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4752         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4753         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4754         arm_attr_merge_7b.o): New rules.
4755         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4756         arm_attr_merge_7
4757         * testsuite/Makefile.in: Regenerate.
4758         * testsuite/arm_attr_merge.sh: New file.
4759         * testsuite/arm_attr_merge_[67][ab].s: Same.
4760
4761 2010-05-05  Nick Clifton  <nickc@redhat.com>
4762
4763         * po/es.po: Updated Spanish translation.
4764
4765 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4766
4767         * Makefile.am (install-exec-local): Properly install gold as
4768         default cross linker.
4769         * Makefile.in: Regenerated.
4770
4771 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4772             Nick Clifton  <nickc@redhat.com>
4773
4774         * configure.ac (install_as_default): Define and set to false
4775         unless --enable-gold or --enable-gold=both/gold has been
4776         specified.
4777         * configure: Regenerate.
4778
4779         * Makefile.am (install-exec-local): Install the executable as
4780         'ld.gold'.  If install_as_default is true then also install it as
4781         'ld'.
4782         * Makefile.in: Regenerated.
4783
4784 2010-04-24  Ian Lance Taylor  <iant@google.com>
4785
4786         * layout.cc (Layout::layout_reloc): In relocatable link don't
4787         combine reloc sections for grouped sections.
4788
4789 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4790
4791         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4792         sections that are not ordinary to icf.
4793         * icf.cc (get_section_contents): Handle relocation pointing to section
4794         with no object or shndx information.
4795         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4796         * testsuite/Makefile.in: Regenerate.
4797         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4798         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4799
4800 2010-04-22  Ian Lance Taylor  <iant@google.com>
4801
4802         * expression.cc (Expression::Expression_eval_info): Add
4803         result_alignment_pointer field.
4804         (Expression::eval_with_dot): Add result_alignment_pointer
4805         parameter.  Change all callers.
4806         (Expression::eval_maybe_dot): Likewise.
4807         (class Binary_expression): Add alignment_pointer parameter to
4808         left_value and right_value.  Change all callers.
4809         (BINARY_EXPRESSION): Set result alignment.
4810         (class Trinary_expression): Add alignment_pointer parameter to
4811         arg2_value and arg3_value.  Change all callers.
4812         (Trinary_cond::value): Set result alignment.
4813         (Max_expression::value, Min_expression::value): Likewise.
4814         (Align_expression::value): Likewise.
4815         * script-sections.cc (class Sections_element): Add dot_alignment
4816         parameter to set_section_addresses virtual function.  Update
4817         instantiations.
4818         (class Output_section_element): Likewise.
4819         (Script_sections::create_segments): Add dot_alignment parameter.
4820         Change all callers.
4821         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4822         (Script_sections::set_phdrs_clause_addresses): Likewise.
4823         * script-sections.h: Update declarations.
4824         * script.h: Update declarations.
4825         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4826         min_p_align.
4827         * testsuite/script_test_3.t: Set large alignment.
4828         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4829         segment has expected alignment.
4830
4831 2010-04-22  Nick Clifton  <nickc@redhat.com>
4832
4833         * po/gold.pot: Updated by the Translation project.
4834         * po/vi.po: Updated Vietnamese translation.
4835
4836 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4837
4838         * testsuite/Makefile.am (check_PROGRAMS): Add
4839         icf_virtual_function_folding_test.
4840         * testsuite/Makefile.in: Regenerated.
4841
4842 2010-04-15  Andrew Haley  <aph@redhat.com>
4843
4844         * options.h (merge_exidx_entries): New option.
4845         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4846         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4847         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4848         (Target_arm::merge_exidx_entries): New function.
4849         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4850         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4851         to Arm_exidx_fixup constructor.
4852         Add new arg, merge_exidx_entries.
4853         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4854         Arm_output_section::fix_exidx_coverage.
4855
4856 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4857
4858         * icf.cc (get_section_contents): Check for preemptible functions.
4859         Ignore addend when appropriate.
4860         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4861         section folded.
4862         (add_from_relobj): Check for section folded.
4863         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4864         * symtab.h (should_add_dynsym_entry): Add new parameter.
4865         * target-reloc.h (scan_relocs): Check for section folded.
4866         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4867         Check reloc types for function pointers in shared objects.
4868         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4869         case.
4870         (icf_preemptible_functions_test): New test case.
4871         (icf_string_merge_test): New test case.
4872         * testsuite.Makefile.in: Regenerate.
4873         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4874         bar_glob.  Refactor code.
4875         * testsuite/icf_preemptible_functions_test.cc: New file.
4876         * testsuite/icf_preemptible_functions_test.sh: New file.
4877         * testsuite/icf_string_merge_test.cc: New file.
4878         * testsuite/icf_string_merge_test.sh: New file.
4879         * testsuite/icf_virtual_function_folding_test.cc: New file.
4880         * testsuite/icf_virtual_function_folding_test.sh: New file.
4881
4882 2010-04-14  Doug Kwan  <dougkwan@google.com>
4883
4884         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4885         for local symbol recounting if we remove a section due to ICF.
4886         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4887         there are no regular objects in input.
4888
4889 2010-04-13  Doug Kwan  <dougkwan@google.com>
4890
4891         * arm.cc (Arm_input_section::set_final_data_size): Compute
4892         accurate final data size instead of using current data size.
4893
4894 2010-04-09  Doug Kwan  <dougkwan@google.com>
4895
4896         * layout.cc (Layout::choose_output_section): Handle script section
4897         types.
4898         (Layout::make_output_section_for_script): Add section type parameter.
4899         Handle script section types.
4900         * layout.h (Layout::make_output_section_for_script): Add section
4901         type parameter.
4902         * output.cc (Output_section::Output_section): Initialize data member
4903         is_noload_.
4904         (Output_section::do_reset_address_and_file_offset): Do not set address
4905         to 0 if section is a NOLOAD section.
4906         * output.h (Output_section::is_noload): New method.
4907         (Output_section::set_is_noload): Ditto.
4908         (Output_section::is_noload_): New data member.
4909         * script-c.h (Script_section_type): New enum type.
4910         (struct Parser_output_section_header): Add new file section_type.
4911         * script-sections.cc (Sections_element::output_section_name): Add
4912         parameter for returning script section type.
4913         (Output_section_definition::output_section_name): Ditto.
4914         (Output_section_definition::section_type)P; New method.
4915         (Output_section_definiton::script_section_type_name): Ditto.
4916         (Output_section_definition::script_section_type_): New data member.
4917         (Output_section_definition::Output_section_definition): Initialize
4918         data member Output_section_definition::script_section_type_.
4919         (Output_section_definition::create_sections): Pass script section type
4920         to Layout::make_output_section_for_script.
4921         (Output_section_definition::output_section_name): Return script
4922         section type to caller.
4923         (Output_section_definition::set_section_address): Do not advance
4924         dot value and load address if section type is NOLOAD.  Set address
4925         of NOLOAD sections regardless of section flags.
4926         (Output_section_definition::print): Print section type if it is
4927         not SCRIPT_SECTION_TYPE_NONE.
4928         (Output_section_definition::section_type): New method.
4929         (Output_section_definition::script_section_type_name): Ditto.
4930         (Script_sections::output_section_name): Add new parameter
4931         PSECTION_TYPE for returning script section type.  Pass it to
4932         section elements.  Handle discard sections.
4933         (Sort_output_sections::operator()): Handle NOLOAD sections.
4934         * script-sections.h (Script_sections::Section_type): New enum type.
4935         (Script_sections::output_section_name): Add a new parameter for
4936         returning script section type.
4937         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4938         INFO and NOLOAD.
4939         * yyscript.y (union): Add new field SECTION_TYPE.
4940         (COPY, DSECT, INFO, NOLOAD): New tokens.
4941         (opt_address_and_section_type): Change type to output_section_header.
4942         (section_type): New non-terminal
4943         (section_header): Handle section type.
4944         (opt_address_and_section_type): Return section type value.
4945
4946 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4947
4948         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4949         * testsuite/plugin_common_test_2.c (foo): Likewise.
4950
4951 2010-04-08  Doug Kwan  <dougkwan@google.com>
4952
4953         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4954         Output_merge_data.
4955         * output.cc (Output_section::add_merge_input_section): Simplify
4956         code and return status of Output_merge_base::add_input_section.
4957         Update merge section map only if Output_merge_base::add_input_section
4958         returns true.
4959
4960 2010-04-07  Doug Kwan  <dougkwan@google.com>
4961
4962         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4963         if section is marked as containing instructions but has no mapping
4964         symbols.
4965         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4966         correct section index.
4967         (Arm_relobj::find_linked_text_section): Ditto.
4968
4969 2010-04-07  Cary Coutant  <ccoutant@google.com>
4970
4971         * archive.cc (include_member): Destroy Read_symbols_data object before
4972         releasing file.
4973         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4974         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4975         (Read_symbols_data::~Read_symbols_data) New destructor.
4976         (Section_relocs::Section_relocs) New constructor.
4977         (Section_relocs::~Section_relocs) New destructor.
4978         (Read_relocs_data::Read_relocs_data) New constructor.
4979         (Read_relocs_data::~Read_relocs_data) New destructor.
4980         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4981         pointers to NULL after deleting.
4982
4983 2010-04-07  Doug Kwan  <dougkwan@google.com>
4984
4985         * arm.cc: Replace "endianity" with "endianness" in comments.
4986         (Arm_exidx_cantunwind): Ditto.
4987         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4988         (Arm_relobj::merge_flags_and_attributes): New method.
4989         (Arm_relobj::merge_flags_and_attributes_): New data member.
4990         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4991         (Arm_relobj::scan_sections_for_stubs): Ditto.
4992         (Arm_relobj::do_read_symbols): Check to see if we really want to
4993         merge processor-specific flags and attributes.  Exit early if
4994         an object is empty except for section names and the undefined symbol.
4995         (Target_arm::do_finalize_sections): Move check for ELF format to
4996         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4997         attributes from a regular object only when we have determined that
4998         it is aapropriate.  Do not create an .ARM.attributes section in
4999         output if there is no regular input object.
5000         (Target_arm::merge_processor_specific_flags): Check
5001         --warn-mismatch before printing any error.
5002         (Target_arm::merge_object_attributes): Ditto.
5003         * gold.cc (queue_middle_tasks): Handle the case in which there is
5004         no regular object in input.
5005         * options.cc (General_options::parse_EB): New method.
5006         (General_options::parse_EL): Same.
5007         (General_options::General_options): Initialize endianness_.
5008         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5009         New options.
5010         (General_options::Endianness): New enum.
5011         (General_options::endianness): New method.
5012         (General_options::endianness_): New data member.
5013         * parameters.cc (Parameters::set_options): Check target endianness.
5014         (Parameters::set_target_once): Ditto.
5015         (Parameters::check_target_endianness): New method.
5016         (parameters_force_valid_target): If either -EL or -EB is specified,
5017         use it to define endianness of default target.
5018         * parameters.h (Parameters::check_target_endianness): New method
5019         declaration.
5020         * target.h (class Target): Change "endianity" to "endianness"
5021         in comments.
5022
5023 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5024
5025         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5026         * configure: Regenerate.
5027         * Makefile.in: Regenerate.
5028         * testsuite/Makefile.in: Regenerate.
5029
5030 2010-04-06  Cary Coutant  <ccoutant@google.com>
5031
5032         gcc PR lto/42757
5033         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5034         prevailing definitions of common symbols.
5035         * testsuite/plugin_test_6.sh: New test case.
5036         * testsuite/plugin_common_test_1.c: New test case.
5037         * testsuite/plugin_common_test_2.c: New test case.
5038         * testsuite/Makefile.am (plugin_test_6): New test case.
5039         * testsuite/Makefile.in: Regenerate.
5040
5041 2010-04-06  Nick Clifton  <nickc@redhat.com>
5042
5043         * po/vi.po: New Vietnamese translation.
5044
5045 2010-03-30  Doug Kwan  <dougkwan@google.com>
5046
5047         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5048
5049 2010-03-25  Doug Kwan  <dougkwan@google.com>
5050
5051         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5052         to avoid a conversion warning on a 32-bit host.
5053
5054 2010-03-24  Ian Lance Taylor  <iant@google.com>
5055
5056         * testsuite/script_test_3.t: Add a TLS segment.
5057         * testsuite/Makefile.am (check_PROGRAMS): Add
5058         tls_phdrs_script_test.
5059         (tls_phdrs_script_test_SOURCES): Define.
5060         (tls_phdrs_script_test_DEPENDENCIES): Define.
5061         (tls_phdrs_script_test_LDFLAGS): Define.
5062         (tls_phdrs_script_test_LDADD): Define.
5063         * testsuite/Makefile.in: Rebuild.
5064
5065 2010-03-23  Cary Coutant  <ccoutant@google.com>
5066
5067         * fileread.cc (find_or_make_view): Fix comment.
5068
5069 2010-03-23  Ian Lance Taylor  <iant@google.com>
5070
5071         * script-sections.cc (class Orphan_section_placement): Define
5072         PLACE_TLS and PLACE_TLS_BSS.
5073         (Orphan_section_placement::Orphan_section_placement): Initialize
5074         new places.
5075         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5076         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5077         (tls_script_test_SOURCES): Define.
5078         (tls_script_test_DEPENDENCIES): Define.
5079         (tls_script_test_LDFLAGS): Define.
5080         (tls_script_test_LDADD): Define.
5081         * testsuite/Makefile.in: Rebuild.
5082
5083 2010-03-22  Doug Kwan  <dougkwan@google.com>
5084
5085         * arm.cc (Arm_relocate_functions::abs8,
5086         Arm_relocate_functions::abs16): Use correct check for overflow
5087         specified in the ARM ELF specs.
5088         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5089         target of a BLX instruction specially.
5090         (Reloc_stub::stub_type_for_reloc): Ditto.
5091         (Relocate::relocate): Use symbolic names instead of numeric relocation
5092         codes to report error.
5093         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5094         workaround.
5095         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5096         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5097         thumb2_blx_out_of_range.stdout
5098         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5099         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5100         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5101         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5102         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5103         thumb2_blx_in_range, thumb2_blx_in_range.o,
5104         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5105         thumb2_blx_out_of_range.o): New rules.
5106         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5107         thumb2_blx_in_range and thumb2_blx_out_of_range.
5108         * testsuite/Makefile.in: Regenerate.
5109         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5110         * testsuite/thumb_blx_in_range.s: New file.
5111         * testsuite/thumb_blx_out_of_range.s: New file.
5112
5113 2010-03-22  Rafael Espindola  <espindola@google.com>
5114
5115         * archive.cc (Should_include): Move to archive.h.
5116         (should_include_member): Make it a member of Archive.
5117         (Lib_group): New.
5118         (Add_lib_group_symbols): New.
5119         * archive.h: Include options.h.
5120         (Archive_member): Moved from Archive.
5121         (Should_include): Moved from archive.cc.
5122         (Lib_group): New.
5123         (Add_lib_group_symbols): New.
5124         * dynobj.cc (do_should_include_member): New.
5125         * dynobj.h (do_should_include_member): New.
5126         * gold.cc (queue_initial_tasks): Update call to queue.
5127         * main.cc (main): Print lib group stats.
5128         * object.cc (do_should_include_member): New.
5129         * object.h: Include archive.h.
5130         (Object::should_include_member): New.
5131         (Object::do_should_include_member): New.
5132         (Sized_relobj::do_should_include_member): New.
5133         * options.cc (General_options::parse_start_lib): New.
5134         (General_options::parse_end_lib): New.
5135         (Input_arguments::add_file): Handle lib groups.
5136         (Input_arguments::start_group): Check we are not in a lib.
5137         (Input_arguments::start_lib): New.
5138         (Input_arguments::end_lib): New.
5139         * options.h (General_options): Add start_lib and end_lib.
5140         (Input_argument::lib_): New.
5141         (Input_argument::lib): New.
5142         (Input_argument::is_lib): New.
5143         (Input_file_lib): New.
5144         (Input_arguments::in_lib_): New.
5145         (Input_arguments::in_lib): New.
5146         (Input_arguments::start_lib): New.
5147         (Input_arguments::end_lib_): New.
5148         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5149         in unused members as preempted.
5150         (Sized_pluginobj::do_should_include_member): New.
5151         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5152         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5153         return the blocker.
5154         (Read_symbols::do_whole_lib_group): New.
5155         (Read_symbols::do_lib_group): New.
5156         (Read_symbols::do_read_symbols): Handle lib groups.
5157         (Read_symbols::get_name): Handle lib groups.
5158         * readsyms.h (Read_symbols): Add an archive member pointer.
5159         (Read_symbols::do_whole_lib_group): New.
5160         (Read_symbols::do_lib_group): New.
5161         (Read_symbols::member_): New.
5162         * script.cc (read_input_script): Update call to queue_soon.
5163
5164 2010-03-19  Doug Kwan  <dougkwan@google.com>
5165
5166         * arm.cc (Stub_table::Stub_table): Initialize new data members
5167         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5168         (Stub_table::add_reloc_stub): Assign stub offset and update
5169         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5170         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5171         New data members.
5172         (Stub_table::update_data_size_and_addralign): Use
5173         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5174         instead of going over all reloc stubs.
5175         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5176         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5177         Stringpool_template::offset_ to size of Stringpool_char.
5178         (Stringpool_template::new_key_offset): Remove code to initialize
5179         Stringpool_template::offset_.
5180         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5181         Stringpool_template::offset_ to zero.
5182
5183 2010-03-15  Doug Kwan  <dougkwan@google.com>
5184
5185         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5186         offset_.
5187         (Stringpool_template::new_key_offset): New method.
5188         (Stringpool_template::add_string): Assign offsets when adding new
5189         strings.
5190         (Stringpool_template::set_string_offsets): Do not set string offsets
5191         when not optimizing.
5192         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5193         member size_.
5194         (Chunked_vector::clear): Clear size_.
5195         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5196         (Chunked_vector::size): Return size_.
5197         (Chunked_vector::push_back): Use size_ to find insert position.
5198         (Chunked_vector::size_): New data member.
5199         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5200         (Stringpool_template::new_key_offset): New method declaration.
5201         (Stringpool_template::offset_): New data member.
5202
5203 2010-03-15   Rafael Espindola  <espindola@google.com>
5204
5205         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5206         Add_symbols' constructor.
5207         * readsyms.h (Add_symbols): Remove the input_group member.
5208
5209 2010-03-10  Ian Lance Taylor  <iant@google.com>
5210
5211         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5212         target to ask whether a reference to a symbol requires a stack
5213         split.
5214         * target.h (Target::is_call_to_non_split): New function.
5215         (Target::do_is_call_to_non_split): Declare virtual function.
5216         * target.cc: Include "symtab.h".
5217         (Target::do_is_call_to_non_split): New function.
5218         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5219
5220 2010-03-10  Cary Coutant  <ccoutant@google.com>
5221
5222         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5223         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5224         (File_read::open[2]): Add whole_file_view_ to list of views.
5225         (File_read::make_view): Remove test of whole_file_view_.
5226         (File_read::find_or_make_view): Create whole_file_view_ if
5227         necessary.
5228         (File_read::clear_views): Replace bool parameter with enum;
5229         adjust all callers.  Don't delete views with permanent data;
5230         do delete cached views and views from archives if
5231         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5232         if clearing the corresponding view.
5233         * fileread.h (File_read::Clear_views_mode): New enum.
5234         (File_read::View::is_permanent_view): New method.
5235         (File_read::clear_views): Replace bool parameter
5236         with enum; adjust all callers.
5237         * options.h (General_options): Change keep_files_mapped option;
5238         add map_whole_files.
5239         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5240         releasing the file.
5241         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5242         the file.
5243
5244 2010-03-10  David S. Miller  <davem@davemloft.net>
5245
5246         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5247
5248 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5249
5250         * icf.cc (get_section_contents): Add '@' marker after processing the
5251         merge reloc.
5252
5253 2010-03-08  Doug Kwan  <dougkwan@google.com>
5254
5255         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5256         due to a conversion warning.
5257         (Arm_relobj::update_output_local_symbol_count): Check for local
5258         symbol with unset output index.
5259
5260 2010-03-05  Ian Lance Taylor  <iant@google.com>
5261
5262         * options.h (class General_options): Add --spare-dynamic-tags.
5263         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5264         --spare-dynamic-tags.
5265
5266 2010-03-05  Ian Lance Taylor  <iant@google.com>
5267
5268         * incremental.cc: Include "libiberty.h".
5269
5270 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5271
5272         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5273         function, is_info_ member.
5274         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5275         (Versions::Versions): Update caller.
5276         (Versions::define_base_version): Likewise.
5277         (Versions::add_def): Likewise.
5278
5279 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5280
5281         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5282         (Scan::possible_function_pointer_reloc): New function.
5283         (Scan::local_reloc_may_be_function_pointer): Change to call
5284         possible_function_pointer_reloc.
5285         (Scan::global_reloc_may_be_function_pointer): Ditto.
5286         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5287         relocations in ".data.rel.ro._ZTV" section.
5288         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5289         * testsuite/icf_safe_so_test.cc: Ditto.
5290         * testsuite/icf_safe_test.cc: Ditto.
5291         * testsuite/icf_safe_test.sh: Ditto.
5292
5293 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5294             Ian Lance Taylor  <iant@google.com>
5295
5296         * target-reloc.h (relocate_section): Check the symbol table index
5297         for -1U before setting the local symbol index.
5298         (scan_relocatable_relocs): If copying the relocation, record that
5299         the local symbol is required.
5300         * object.h (Symbol_value::is_output_symtab_index_set): New
5301         function.
5302         (Symbol_value::may_be_discarded_from_output_symtab): New
5303         function.
5304         (Symbol_value::has_output_symtab_entry): New function.
5305         (Symbol_value::needs_output_symtab_entry): Remove.
5306         (Symbol_value::output_symtab_index): Make sure the symbol index is
5307         set.
5308         (Symbol_value::set_output_symtab_index): Make sure the symbol
5309         index is not set.  Make sure the new index is valid.
5310         (Symbol_value::set_must_have_output_symtab_entry): New function.
5311         (Symbol_value::has_output_dynsym_entry): New function.
5312         (Symbol_value::set_output_dynsym_index): Make sure the new index
5313         is valid.
5314         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5315         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5316         local symbol if permitted.
5317         (Sized_relobj::do_finalize_local_symbols): Call
5318         is_output_symtab_index_set rather than needs_output_symtab_entry.
5319         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5320         rather than needs_output_symtab_entry.  Call
5321         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5322         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5323         is_output_symtab_index_set rather than needs_output_symtab_entry.
5324         * testsuite/discard_locals_relocatable_test.c: New file.
5325         * testsuite/discard_locals_test.sh: Test -r.
5326         * testsuite/Makefile.am (check_DATA): Add
5327         discard_locals_relocatable_test1.syms,
5328         discard_local_relocatable_test2.syms.
5329         (MOSTLYCLEANFILES): Likewise.  Also add
5330         discard_locals_relocatable_test1.lout and
5331         discard_locals_relocatable_test2.out.
5332         (discard_locals_relocatable_test1.syms): New target.
5333         (discard_locals_relocatable_test.o): New target.
5334         (discard_locals_relocatable_test1.out): New target.
5335         (discard_locals_relocatable_test2.syms): New target.
5336         (discard_locals_relocatable_test2.out): New target.
5337         (various): Add missing ../ld-new dependencies.
5338         * testsuite/Makefile.in: Rebuild.
5339
5340 2010-03-03  Nick Clifton  <nickc@redhat.com>
5341
5342         * po/fi.po: New Finnish translation.
5343
5344 2010-03-01  Doug Kwan  <dougkwan@google.com>
5345
5346         * layout.cc (Layout::Layout): Force section types of .init_array*,
5347         .preinit_array* and .fini_array* sections.
5348         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5349         Fix check of return value of std::string::find.().
5350         (Output_section::Input_section_sort_compare::operator()): Remove
5351         comment about .init_array.
5352         (Output_section::Input_section_sort_init_fini_compare::operator()):
5353         New method.
5354         (Output_section::sort_attached_input_sections): Handle .init_array
5355         and .fini_array specially.
5356         * output.h (Output_section::Inut_section_sort_compare): Update
5357         comment.
5358         (Output_section::Input_section_sort_init_fini_compare): New struct.
5359
5360 2010-02-26  Doug Kwan  <dougkwan@google.com>
5361
5362         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5363         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5364         * testsuite/debug_msg.sh: Avoid matching source line number for
5365         use of global variable undef_int.
5366
5367 2010-02-26  Doug Kwan  <dougkwan@google.com>
5368
5369         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5370         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5371         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5372         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5373         * options.cc (General_options::General_options): Initialize member
5374         fix_v4bx_.
5375         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5376         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5377         and rm_no_fix_v4bx.stdout
5378         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5379         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5380         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5381         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5382         and arm_no_fix_v4bx.
5383         * Makefile.in: Regenerate.
5384         * testsuite/arm_fix_v4bx.s: New file.
5385         * testsuite/arm_fix_v4bx.sh: Ditto.
5386
5387 2010-02-24  Doug Kwan  <dougkwan@google.com>
5388
5389         * arm.cc (Target_arm::got_section): Make the .got section the first
5390         non RELRO section in the data segment.
5391         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5392         suffixes of section names.
5393
5394 2010-02-24  Doug Kwan  <dougkwan@google.com>
5395
5396         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5397         flags and attributes merging if an input file is a binary file.
5398         * fileread.cc (Input_file::open): Record format of original file.
5399         * fileread.h (Input_file::Format): New enum type.
5400         (Input_file::Input_file): Initialize data member format_.
5401         (Input_file::format): New method definition.
5402         (Input_file::format_):: New data member.
5403
5404 2010-02-24  Doug Kwan  <dougkwan@google.com>
5405
5406         * arm.cc (Arm_output_data_got): New class.
5407         (ARM_TCB_SIZE): New constant
5408         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5409         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5410         If user uses a script with a SECTIONS clause, issue only a warning
5411         for a misplaced EXIDX input section.  Otherwise, issue an error.
5412         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5413         garbage collection.
5414         (Target_arm::got_mode_index_entry): Handle static linking.
5415         (Target_arm::Scan::local): Ditto.
5416         (Target_arm::Scan::global): Ditto.
5417         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5418         all incorrectly implemented relocations.
5419         (Target_arm::fix_exidx_coverage): Pass layout to
5420         Arm_output_section::fix_exidx_coverage.
5421         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5422         from ".ARM.exidx." and ".ARM.extab.".
5423
5424 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5425
5426         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5427         section if it does not already exist.
5428         * attributes.cc (Attributes_section_data::Attributes_section_data):
5429         Don't crash if size is zero.
5430
5431 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5432             Ian Lance Taylor  <iant@google.com>
5433
5434         * gold.cc (queue_middle_tasks): If no input files were opened,
5435         exit.
5436         * workqueue.h (Task_function::Task_function): Assert that there is
5437         a blocker.
5438
5439 2010-02-22  Doug Kwan  <dougkwan@google.com>
5440
5441         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5442         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5443         types to avoid warnings due to different uint64_t implementations
5444         on different hosts.
5445
5446 2010-02-21  Doug Kwan  <dougkwan@google.com>
5447
5448         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5449         handling of the maximum backward branch offset.
5450         (Arm_relocate_functions::thumb_branch_common): Ditto.
5451         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5452         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5453         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5454         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5455         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5456         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5457         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5458         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5459         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5460         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5461         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5462         thumb2_bl_out_of_range.o): New rules.
5463         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5464         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5465         thumb2_bl_out_of_range
5466         * testsuite/Makefile.in: Regenerate.
5467         * testsuite/arm_bl_in_range.s: New file.
5468         * testsuite/arm_bl_out_of_range.s: Ditto.
5469         * testsuite/arm_branch_in_range.sh: Ditto.
5470         * testsuite/arm_branch_range.t: Ditto.
5471         * testsuite/thumb2_branch_range.t: Ditto.
5472         * testsuite/thumb_bl_in_range.s: Ditto.
5473         * testsuite/thumb_bl_out_of_range.s: Ditto.
5474         * testsuite/thumb_branch_range.t: Ditto.
5475
5476 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5477
5478         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5479         Add reloc offset information.
5480         * icf.cc (get_section_contents): Change iterators to point to the new
5481         vectors. Add reloc offset information to the contents.
5482         * icf.h (Icf::Sections_reachable_info): New typedef.
5483         (Icf::Sections_reachable_list): New typedef.
5484         (Icf::Offset_info): New typedef.
5485         (Icf::Reloc_info): New struct typedef.
5486         (Icf::Reloc_info_list): New typedef.
5487         (Icf::symbol_reloc_list): Delete method.
5488         (Icf::addend_reloc_list): Delete method.
5489         (Icf::section_reloc_list): Delete method.
5490         (Icf::reloc_info_list): New method.
5491         (Icf::reloc_info_list_): New member.
5492
5493 2010-02-19  Doug Kwan  <dougkwan@google.com>
5494
5495         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5496         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5497         * arm.cc (Arm_relocation_functions): New forward declaration.
5498         (Target_arm::Target_arm): Initialize new data members
5499         got_mod_index_offset_ and tls_base_symbol_defined_.
5500         (Target_arm::Relocate::relocate_tls): New method.
5501         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5502          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5503         New methods.
5504         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5505         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5506         (Target_arm::got_mod_index_offset_,
5507         Target_arm::tls_base_symbol_defined_): New data members.
5508         (Target_arm::Scan::local, Target::Scan::global,
5509         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5510         relocations.
5511
5512 2010-02-18  Doug Kwan  <dougkwan@google.com>
5513
5514         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5515         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5516         text section as a parameter becuase some broken tools may not set
5517         the link in section header.
5518         (Target_arm::has_got_section): New method.
5519         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5520         without any mapping symbol as data only.  Remove warning.
5521         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5522         link in its section header, try to discover the link by inspecting the
5523         REL31 relocation at the beginning of the section.
5524         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5525         in error message.
5526         (Target_arm::Scan::global): Treat any reference to the symbol
5527         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5528
5529 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5530
5531         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5532         (Scan::global_reloc_may_be_function_pointer): New function.
5533         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5534         (Scan::global_reloc_may_be_function_pointer): New function.
5535         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5536         (Scan::global_reloc_may_be_function_pointer): New function.
5537         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5538         (Scan::global_reloc_may_be_function_pointer): New function.
5539         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5540         (Scan::global_reloc_may_be_function_pointer): New function.
5541         (Scan::possible_function_pointer_reloc): New function.
5542         (Target_x86_64::can_check_for_function_pointers): New function.
5543         * gc.h (gc_process_relocs): Scan relocation types to determine if
5544         function pointers were taken for targets that support it.
5545         * icf.cc (Icf::find_identical_sections): Include functions for
5546         folding in safe ICF whose pointer is not taken.
5547         * icf.h (Secn_fptr_taken_set): New typedef.
5548         (fptr_section_id_): New member.
5549         (section_has_function_pointers): New function.
5550         (set_section_has_function_pointers): New function.
5551         (check_section_for_function_pointers): New function.
5552         * options.h: Fix comment for safe ICF option.
5553         * target.h (can_check_for_function_pointers): New function.
5554         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5555         Modify icf_safe_test for X86-64.
5556         * testsuite/Makefile.in: Regenerate.
5557         * testsuite/icf_safe_so_test.cc: New file.
5558         * testsuite/icf_safe_so_test.sh: New file.
5559         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5560         (main): Change to take pointer to function kept_func_3.
5561         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5562         folding is done correctly for X86-64.
5563
5564 2010-02-12  David S. Miller  <davem@davemloft.net>
5565
5566         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5567         is_symbolless parameter.
5568         (Output_reloc<SHT_REL>::is_symbolless): New.
5569         (Output_reloc<SHT_REL>::is_symbolless_): New.
5570         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5571         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5572         (Output_reloc<SHT_RELA>::is_symbolless): New.
5573         (Output_data_reloc::add_global): Handle is_symbolless.
5574         (Output_data_reloc::add_global_relative): Likewise.
5575         (Output_data_reloc::add_local): Likewise.
5576         (Output_data_reloc::add_local_relative): Likewise.
5577         (Output_data_reloc::add_symbolless_global_addend): New.
5578         (Output_data_reloc::add_symbolless_local_addend): New.
5579         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5580         is_symbolless.
5581         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5582         instead of ->is_relative_
5583         (Output_reloc::write): Likewise.
5584         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5585         (Output_reloc::write_rel): Simplify.
5586
5587         * sparc.cc (Target_sparc::Scan::local): Use
5588         ->add_symbolless_local_addend as needed.
5589         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5590         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5591         based upon relocation offset.
5592
5593 2010-02-11  Doug Kwan  <dougkwan@google.com>
5594
5595         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5596         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5597         beginning of function.
5598         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5599         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5600         parameter is_32bit in calls to should_apply_static_reloc.
5601         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5602         (check_DATA): Add arm_abs_global.stdout.
5603         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5604         arm_abs_global.stdout): New rules.
5605         (MOSTLLYCLEANFILES): Add arm_abs_global
5606         * Makefile.in: Regenerate.
5607         * testsuite/arm_abs_global.s: New file.
5608         * testsuite/arm_abs_global.sh: Ditto.
5609         * testsuite/arm_abs_lib.s: Ditto.
5610
5611 2010-02-11  Ian Lance Taylor  <iant@google.com>
5612
5613         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5614         Read_relocs task.
5615         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5616         Allocate_commons_task first.
5617         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5618         task, rather than symtab_lock_.
5619         (Gc_process_relocs::~Gc_process_relocs): New function.
5620         (Gc_process_relocs::is_runnable): Check this_blocker_.
5621         (Gc_process_relocs::locks): Use next_blocker_ rather than
5622         blocker_.
5623         (Scan_relocs::~Scan_relocs): New function.
5624         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5625         symtab_lock_.
5626         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5627         next_blocker_.
5628         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5629         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5630         constructor accordingly.
5631         (class Gc_process_relocs): Likewise.
5632         (class Scan_relocs): Likewise.
5633         * common.h (class Allocate_commons_task): Remove symtab_lock_
5634         field, and corresponding constructor parameter.
5635         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5636         symtab_lock_.
5637         (Allocate_commons_task::locks): Likewise.
5638
5639 2010-02-11  Ian Lance Taylor  <iant@google.com>
5640
5641         * gold-threads.h (class Once): Define.
5642         (class Initialize_lock): Rewrite as child of Once.
5643         * gold-threads.cc (class Once_initialize): Define.
5644         (once_pointer_control): New static variable.
5645         (once_pointer, once_arg): New static variables.
5646         (c_run_once): New static function.
5647         (Once::Once, Once::run_once, Once::internal_run): New functions.
5648         (class Initialize_lock_once): Remove.
5649         (initialize_lock_control): Remove.
5650         (initialize_lock_pointer): Remove.
5651         (initialize_lock_once): Remove.
5652         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5653         (Initialize_lock::initialize): Rewrite.
5654         (Initialize_lock::do_run_once): New function.
5655         * archive.cc (Archive::interpret_header): Only clear name if it is
5656         not already empty.
5657         * fileread.cc: Include "gold-threads.h"
5658         (file_counts_lock): New static variable.
5659         (file_counts_initialize_lock): Likewise.
5660         (File_read::release): Only increment counts when using --stats.
5661         Use a lock around the increment.
5662         * parameters.cc (class Set_parameters_target_once): Define.
5663         (set_parameters_target_once): New static variable.
5664         (Parameters::Parameters): Move here from parameters.h.
5665         (Parameters::set_target): Rewrite.
5666         (Parameters::set_target_once): New function.
5667         (Parameters::clear_target): Move here and rewrite.
5668         * parameters.h (class Parameters): Update declarations.  Add
5669         set_parameters_target_once_ field.
5670         (Parameters::Parameters): Move to parameters.cc.
5671         (Parameters::clear_target): Likewise.
5672         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5673         task.
5674         (Start_group::~Start_group): New function.
5675         (Start_group::is_runnable): New function.
5676         (Start_group::locks, Start_group::run): New functions.
5677         (Finish_group::run): Change saw_undefined to size_t.
5678         * readsyms.h (class Start_group): Define.
5679         (class Finish_group): Change saw_undefined_ field to size_t.
5680         (Finish_group::Finish_group): Remove saw_undefined and
5681         this_blocker parameters.  Change all callers.
5682         (Finish_group::set_saw_undefined): New function.
5683         (Finish_group::set_blocker): New function.
5684         * symtab.h (class Symbol_table): Change saw_undefined to return
5685         size_t.  Change saw_undefined_ field to size_t.
5686         * target-select.cc (Set_target_once::do_run_once): New function.
5687         (Target_selector::Target_selector): Initialize set_target_once_
5688         field.  Don't initialize lock_ and initialize_lock_ fields.
5689         (Target_selector::instantiate_target): Rewrite.
5690         (Target_selector::set_target): New function.
5691         * target-select.h (class Set_target_once): Define.
5692         (class Target_selector): Update declarations.  Make
5693         Set_target_once a friend.  Remove lock_ and initialize_lock_
5694         fields.  Add set_target_once_ field.
5695
5696 2010-02-10  Ian Lance Taylor  <iant@google.com>
5697
5698         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5699         queueing any tasks.
5700         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5701         (queue_middle_tasks): Add all blockers before queueing any tasks.
5702         (queue_final_tasks): Likewise.
5703         * token.h (Task_token::add_blockers): New function.
5704         * object.h (Input_objects::number_of_relobjs): New function.
5705
5706 2010-02-10  Ian Lance Taylor  <iant@google.com>
5707
5708         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5709         shared, not if not position independent.
5710         * x86_64.cc (Relocate::relocate_tls): Likewise.
5711         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5712         (tls_pie_pic_test): New target.
5713         * testsuite/Makefile.in: Rebuild.
5714
5715         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5716         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5717         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5718         * testsuite/Makefile.in: Rebuild.
5719
5720 2010-02-09  David S. Miller  <davem@davemloft.net>
5721
5722         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5723         R_SPARC_RELATIVE using ->add_local_relative().
5724         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5725
5726         * output.h (Output_data_dynamic::add_section_size): New method
5727         that takes two Output_data objects.
5728         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5729         entry param.  Handle it in initializers.
5730         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5731         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5732         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5733         arg.
5734         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5735         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5736         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5737         for dynrel_includes_plt.
5738         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5739         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5740         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5741         before .rela.plt
5742         (Target_sparc::do_finalize_sections): Update to pass true for
5743         dynrel_includes_plt.
5744         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5745         output before .rela.plt
5746         (Target_powerpc::do_finalize_sections): Update to pass true for
5747         dynrel_includes_plt when 32-bit.
5748
5749 2010-02-08  Doug Kwan  <dougkwan@google.com>
5750
5751         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5752         method.
5753         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5754         Arm_relobj::scan_section_for_cortex_a8_stubs,
5755         Arm_relobj::do_relocation_section): Instead of calling
5756         Output_section::output_address, use faster
5757         Arm_relobj::simple_input_section_output_address.
5758
5759 2010-02-08  David S. Miller  <davem@davemloft.net>
5760
5761         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5762         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5763         relocation helper function.
5764
5765         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5766         just like R_SPARC_GOT{10,13,22}.
5767         (Target_sparc::Scan::local): Likewise.
5768         (Target_sparc::Relocate:relocate): Likewise.
5769
5770 2010-02-06  Ian Lance Taylor  <iant@google.com>
5771
5772         * configure.ac: Rewrite targetobjs duplicate removal code to use
5773         only shell constructs.
5774         * configure: Rebuild.
5775
5776 2010-02-05  Doug Kwan  <dougkwan@google.com>
5777
5778         PR 11247
5779         * arm.cc (Arm_relobj::section_is_scannable): New method.
5780         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5781         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5782
5783 2010-02-04  Doug Kwan  <dougkwan@google.com>
5784
5785         PR 11247
5786         * arm-reloc-property.cc (cstdio): Include.
5787         * configure.ac (targetobjs): Remove duplicates.
5788         * configure: Regenerate.
5789         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5790         big and little endian version for a given address size.
5791
5792 2010-02-03  Doug Kwan  <dougkwan@google.com>
5793
5794         * arm-reloc-property.cc
5795         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5796         definition.
5797         * arm-reloc-property.h
5798         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5799         New method definition.
5800         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5801         declaration.
5802         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5803         overflow to N.
5804         (GOT_PREL): Change implemented to Y.
5805         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5806         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5807         (Arm_relocate_functions::movw_abs_nc): Remove method.
5808         (Arm_relocate_functions::movt_abs): Ditto.
5809         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5810         (Arm_relocate_functions::thm_movt_abs): Ditto.
5811         (Arm_relocate_functions::movw_rel_nc): Ditto.
5812         (Arm_relocate_functions::movw_rel): Ditto.
5813         (Arm_relocate_functions::movt_rel): Ditto.
5814         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5815         (Arm_relocate_functions:thm_movw_rel): Ditto.
5816         (Arm_relocate_functions:thm_movt_rel): Ditto.
5817         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5818         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5819         New method definitions.
5820         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5821         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5822         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5823         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5824         (Target_arm::Relocate::relocate): Check for non-static or
5825         unimplemented relocation code and exit early.  Change calls to
5826         Target_arm::reloc_uses_thumb_bit and
5827         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5828         instead.  Refactor code to handle similar relocations to increase
5829         code sharing.  Remove check for unsupported relocation code in switch
5830         statement.
5831         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5832         relocation property table to find out size.  Change error message to
5833         print out the name of a relocation code instead of the numeric value.
5834         (Target_arm::scan_reloc_for_stub): Use relocation property table
5835         instead of calling Target_arm::reloc_uses_thumb_bit().
5836
5837 2010-02-02  Doug Kwan  <dougkwan@google.com>
5838
5839         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5840         types of relaxed input section.
5841
5842 2010-02-02  Doug Kwan  <dougkwan@google.com>
5843
5844         * Makefile.am (HFILES): Add arm-reloc-property.h.
5845         (DEFFILES): New.
5846         (TARGETSOURCES): Add arm-reloc-property.cc
5847         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5848         (libgold_a_SOURCES): $(DEFFILES)
5849         * Makefile.in: Regenerate.
5850         * arm-reloc-property.cc: New file.
5851         * arm-reloc-property.h: New file.
5852         * arm-reloc.def: New file.
5853         * arm.cc: Update comments.
5854         (arm-reloc-property.h): New included header.
5855         (arm_reloc_property_table): New global variable.
5856         (Target_arm::do_select_as_default_target): New method definition.
5857         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5858         arm-reloc-property to targ_extra_obj.
5859         * parameters.cc (set_parameters_target): Call
5860         Target::select_as_default_target().
5861         * target.h (Target::select_as_default_target): New method definition.
5862         (Target::do_select_as_default_target): Same.
5863
5864 2010-02-01  Doug Kwan  <dougkwan@google.com>
5865
5866         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5867         first_output_text_section_.
5868         (Arm_exidx_fixup::first_output_text_section): New method definition.
5869         (Arm_exidx_fixup::first_output_text_section_): New data member.
5870         (Arm_exidx_fixup::process_exidx_section): Record the first text
5871         output section seen.
5872         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5873         and entsize in output section header.
5874
5875 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5876
5877         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5878         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5879         (Arm_relocate_functions::thm_alu11): New Method.
5880         (Arm_relocate_functions::thm_pc8): New Method.
5881         (Arm_relocate_functions::thm_pc12): New Method.
5882         (Target_arm::Scan::local): Handle the relocations.
5883         (Target_arm::Scan::global): Likewise.
5884         (Target_arm::Relocate::relocate): Likewise.
5885         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5886
5887 2010-01-29  Doug Kwan  <dougkwan@google.com>
5888
5889         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5890         of relocation types as ld.
5891
5892 2010-01-29  Doug Kwan  <dougkwan@google.com>
5893
5894         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5895         to public.
5896         (Arm_relocate_functions::thumb_branch_common): Ditto.
5897         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5898         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5899         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5900         Arm_relocate_functions::jump24): Remove.
5901         (Target_arm::Relocate::relocate): Adjust code to call
5902         Arm_relocation_functions::arm_branch_common and
5903         Arm_relocation_functions::thumb_branch_common instead of their removed
5904         wrappers.  Merge switch-cases together to reduce source code size.
5905
5906 2010-01-29  Doug Kwan  <dougkwan@google.com>
5907
5908         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5909         output_local_symbol_count_needs_update_.
5910         (Arm_relobj::output_local_symbol_count_needs_update,
5911          Arm_relobj::set_output_local_symbol_count_needs_update,
5912          Arm_relobj::update_output_local_symbol_count): New methods.
5913         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5914         member.
5915         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5916         of pointed function as in a R_ARM_PREL31 relocation.
5917         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5918         for output local symbol count updating.
5919         (Target_arm::do_relax): Update output local symbol counts in objects
5920         if necessary.
5921         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5922
5923 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5924
5925         * arm.cc: Added support for the ARM relocations:
5926         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5927         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5928         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5929         movw_prel_nc).
5930         (Arm_relocate_functions::movw_rel): New method.
5931         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5932         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5933         thm_movw_prel_nc).
5934         (Arm_relocate_functions::thm_movw_rel): New method.
5935         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5936         thm_movt_prel).
5937         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5938         relocations.
5939         (Target_arm::Scan::global): Likewise.
5940         (Target_arm::Relocate::relocate): Likewise.
5941         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5942         Likewise.
5943
5944 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5945
5946         * arm.cc: Added support for ARM group relocations.
5947         (Target_arm::reloc_needs_sym_origin): New method.
5948         (Arm_relocate_functions::calc_grp_kn): New method.
5949         (Arm_relocate_functions::calc_grp_residual): New method.
5950         (Arm_relocate_functions::calc_grp_gn): New method.
5951         (Arm_relocate_functions::arm_grp_alu): New Method.
5952         (Arm_relocate_functions::arm_grp_ldr): New Method.
5953         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5954         (Arm_relocate_functions::arm_grp_ldc): New Method.
5955         (Target_arm::Scan::local): Handle the ARM group relocations.
5956         (Target_arm::Scan::global): Likewise.
5957         (Target_arm::Relocate::relocate): Likewise.
5958         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5959         Likewise.
5960
5961 2010-01-26  Doug Kwan  <dougkwan@google.com>
5962
5963         * arm.cc (set): Include.
5964         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5965         pointer type.
5966         (Arm_output_section::Text_section_list): New type.
5967         (Arm_output_section::append_text_sections_to_list): New method.
5968         (Arm_output_section::fix_exidx_coverage): Ditto.
5969         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5970         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5971         Relobj::set_section_offset() instead of
5972         Sized_relobj::invalidate_section_offset().
5973         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5974         parameter for section headers. Ignore relocation sections for
5975         unallocated sections and EXIDX sections.
5976         (Target_arm::fix_exidx_coverage): New method.
5977         (Target_arm::output_section_address_less_than): New type.
5978         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5979         linked text section instead of the EXIDX section.
5980         (Arm_output_section::create_stub_group): Add an assertion to check
5981         that this is not an EXIDX output section.
5982         (Arm_output_section::append_text_sections_to_list): New method.
5983         (Arm_output_section::fix_exidx_coverage): Ditto.
5984         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5985         Arm_relobj::section_needs_reloc_stub_scanning.
5986         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5987         first pass.
5988         (Target_arm::fix_exidx_coverage): New method.
5989         * object.h (Relobj::set_output_section): New method.
5990         (Sized_relobj::invalidate_section_offset): Remove method.
5991         (Sized_relobj::do_invalidate_section_offset): Remove method.
5992         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5993
5994 2010-01-25  Doug Kwan  <dougkwan@google.com>
5995
5996         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5997         Fix warning due to signed and unsigned comparison on a 32-bit host.
5998
5999 2010-01-22  Doug Kwan  <dougkwan@google.com>
6000
6001         * arm.cc (Target_arm::do_relax): Record an output section for section
6002         offset adjustment it contains any stub table that has changed.
6003         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6004         offsets in an output section if necessary.
6005         * output.cc (Output_section::Output_section): Initialize
6006         section_offsets_need_adjustments_.
6007         (Output_section::add_input_section_for_script): Renamed to
6008         Output_section::add_simple_input_section.
6009         (Output_section::save_states): Add a comment.
6010         (Output_section::discard_states): New method defintion.
6011         (Output_section::adjust_section_offsets): Same.
6012         * output.h (Output_section::add_input_section_for_script): Renamed to
6013         Output_section::add_simple_input_section.
6014         (Output_section::discard_states): New method declaration.
6015         (Output_section::adjust_section_offsets): Same.
6016         (Output_section::section_offsets_need_adjustment,
6017         Output_section::set_section_offsets_need_adjustment): New method
6018         definitions.
6019         (Output_section::section_offsets_need_adjustment_): New data member.
6020         * script-sections.cc
6021         (Output_section_element_input::set_section_address): Adjust code for
6022         renaming of Output_section::add_input_section_for_script.
6023         (Orphan_output_section::set_section_address): Same.
6024
6025 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6026
6027         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6028         Fix_v4bx enum values .
6029         * gold/options.h (General_options): New option definitions.
6030         (General_options::fix_v4bx): New method.
6031         (General_options::Fix_v4bx): New enum.
6032         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6033         (General_options::parse_fix_v4bx_interworking): New method.
6034
6035 2010-01-22  Doug Kwan  <dougkwan@google.com>
6036
6037         * arm.cc (Arm_exidx_fixup): New class.
6038
6039 2010-01-21  Doug Kwan  <dougkwan@google.com>
6040
6041         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6042         classes.
6043         (Arm_exidx_section_offset_map): New type.
6044
6045 2010-01-21  Doug Kwan  <dougkwan@google.com>
6046
6047         * arm.cc (Arm_exidx_input_section): New class.
6048         (Arm_relobj::exidx_input_section_by_link,
6049         Arm_relobj::exidx_input_section_by_shndx,
6050         Arm_relobj::make_exidx_input_section): New methods.
6051         (read_arm_attributes_section): Remove.
6052         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6053         information about them.
6054         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6055         to here.
6056
6057 2010-01-20  Doug Kwan  <dougkwan@google.com>
6058
6059         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6060         Input_section_specifier to Section_id.
6061         (Target_arm::new_arm_input_section: Adjust code for change of key
6062         type.
6063         (Target_arm::find_arm_input_section): Ditto.
6064         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6065         (Section_id): Remove.
6066         (Garbage_collection::Section_id_hash): Remove.
6067         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6068         (Section_id): Remove.
6069         (Icf::Section_id_hash): Remove.
6070         * object.h (Section_id, Const_section_id, Section_id_hash,
6071         Const_section_id_hash): New type definitions.
6072         * output.cc (Output_section::add_relaxed_input_section): Change to
6073         use Const_section_id instead of Input_section_specifier as key type.
6074         (Output_section::add_merge_input_section): Ditto.
6075         (Output_section::build_relaxation_map): Change to use Section_id
6076         instead of Input_section_specifier as key type.
6077         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6078         Ditto.
6079         (Output_section::convert_input_sections_to_relaxed_sections): Change
6080         to use Const_section_id instead of Input_section_specifier as key type.
6081         (Output_section::find_merge_section): Ditto.
6082         (Output_section::find_relaxed_input_section): Ditto.
6083         * output.h (Input_section_specifier): Remove class.
6084         (Output_section::Output_section_data_by_input_section_map): Change
6085         key type to Const_section_id.
6086         (Output_section::Output_relaxed_input_section_by_input_section_map):
6087         Ditto.
6088         (Output_section::Relaxation_map): Change key type to Section_id.
6089
6090 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6091
6092         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6093         (class Arm_v4bx_stub): New class.
6094         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6095         (Stub_factory::make_arm_v4bx_stub): New method.
6096         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6097         (Stub_table::empty): Handle v4bx stubs.
6098         (Stub_table::add_arm_v4bx_stub): New method.
6099         (Stub_table::find_arm_v4bx_stub): New method.
6100         (Arm_relocate_functions::v4bx): New method.
6101         (Target_arm::fix_v4bx): New method.
6102         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6103         (Stub_table::relocate_stubs): Likewise.
6104         (Stub_table::do_write): Likewise.
6105         (Stub_table::update_data_size_and_addralign): Likewise.
6106         (Stub_table::finalize_stubs):  Likewise.
6107         (Target_arm::Scan::local): Likewise.
6108         (Target_arm::Scan::global): Likewise.
6109         (Target_arm::do_finalize_sections): Likewise.
6110         (Target_arm::Relocate::relocate): Likewise.
6111         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6112         Likewise.
6113         (Target_arm::scan_reloc_for_stub): Likewise.
6114         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6115
6116 2010-01-19  Ian Lance Taylor  <iant@google.com>
6117
6118         * output.cc (Output_section_headers::do_sized_write): Write large
6119         segment count to sh_info field.
6120         (Output_file_header::do_sized_write): For large segment count,
6121         write PN_XNUM to e_phnum field.
6122
6123 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6124
6125         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6126         (Arm_relocate_functions::thm_jump8): New function.
6127         (Arm_relocate_functions::thm_jump11): New function.
6128         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6129         R_ARM_THM_JUMP11.
6130         (Target_arm::Scan::global): Likewise.
6131         (Target_arm::Relocate::relocate): Likewise.
6132         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6133         Likewise.
6134
6135 2010-01-14  Doug Kwan  <dougkwan@google.com>
6136
6137         * arm.cc (map, utility): Include headers.
6138         (Target_arm::apply_cortex_a8_workaround): New method.
6139         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6140         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6141         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6142         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6143         the --[no-]fix-cortex-a8 command line options.
6144         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6145         (Target_arm::relocate_stub): Use addend in instruction template.
6146         * options.h (DEFINE_bool): Set the user-set flag.
6147         (General_options): Add --[no-]-fix-cortex options.
6148         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6149         : Update fast look-up map after conversion.
6150
6151 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6152
6153         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6154         in the first pass of do_layout.
6155
6156 2010-01-13  Doug Kwan  <dougkwan@google.com>
6157
6158         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6159         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6160         apparent compiler problem of not folding static constant integral
6161         data members of elfcpp::Elf_sizes<32>.
6162
6163 2010-01-13  Doug Kwan  <dougkwan@google.com>
6164
6165         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6166         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6167         Arm_relobj::scan_section_for_cortex_a8_erratum,
6168         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6169         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6170         sections to scan for relocation stubs into a new method
6171         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6172         relocation and Cortex-A8 stub scanning.
6173         (Target_arm::do_relax): Force stubs to be after stubbed sections
6174         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6175         the beginning of a new relaxation pass.  Update a comment.
6176         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6177
6178 2010-01-12  Ian Lance Taylor  <iant@google.com>
6179
6180         * target-reloc.h (visibility_error): New inline function.
6181         (relocate_section): Call visibility_error.
6182         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6183         (MOSTLYCLEANFILES): Likewise.
6184         (protected_4_pic.o, protected_3.err): New targets.
6185         * testsuite/protected_4.cc: New file.
6186
6187 2010-01-12  Doug Kwan  <dougkwan@google.com>
6188
6189         * arm.cc (Cortex_a8_reloc): New class.
6190         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6191         and cortex_a8_relocs_info_.
6192         (Target_arm::fix_cortex_a8): New method definition.
6193         (Target_arm::Cortex_a8_relocs_info): New type.
6194         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6195         New data member declarations.
6196         (Target_arm::scan_reloc_for_stub): Record information about
6197         relocations for THUMB branches that might be exempted from the
6198         Cortex-A8 workaround.
6199         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6200         at the beginning of a relaxation pass.
6201
6202 2010-01-12  Doug Kwan  <dougkwan@google.com>
6203
6204         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6205         (Arm_relobj::Mapping_symbol_position,
6206          Arm_reloj::Mapping_symbol_position_less,
6207          Arm_relobj::Mapping_symbols_info): New types.
6208         (Target_arm::is_mapping_symbol_name): New method definition.
6209         (Arm_relobj::do_count_local_symbols): Save information about mapping
6210         symbols.
6211
6212 2010-01-11  Doug Kwan  <dougkwan@google.com>
6213
6214         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6215         Arm_relocate_functions::thumb32_branch_upper,
6216         Arm_relocate_functions::thumb32_branch_lower,
6217         Arm_relocate_functions::thumb32_cond_branch_offset,
6218         Arm_relocate_functions::thumb32_cond_branch_upper,
6219         Arm_relocate_functions::thumb32_cond_branch_lower,
6220         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6221         branch offset encoding.
6222         (Arm_relocate_functions::thumb_branch_common): Use new branch
6223         offset encoding methods to avoid code duplication.
6224         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6225         (Stub_addend_reader::operator()): Use new branch encoding method
6226         to avoid code duplication.
6227
6228 2010-01-11  Doug Kwan  <dougkwan@google.com>
6229
6230         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6231         (Target_arm::do_finalize_sections): Define special EXIDX section
6232         symbols only if referenced.
6233         * gc.h (Garbage_collection::add_reference): New method.
6234         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6235         code duplication.
6236
6237 2010-01-11  Ian Lance Taylor  <iant@google.com>
6238
6239         * script.cc (Version_script_info::build_expression_list_lookup):
6240         Change complaing about duplicate wildcard match from error to
6241         warning.
6242
6243         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6244         of 2009-12-30.
6245         (Version_script_info::Version_script_info): Initialize globs_,
6246         default_version_, default_is_global_, and exact_.  Don't
6247         initialize globals_ or locals_.
6248         (Version_script_info::build_lookup_tables): Build local symbols
6249         first.
6250         (Version_script_info::unquote): New function.
6251         (Version_script_info::add_exact_match): New function.
6252         (Version_script_info::build_expression_list_lookup): Remove lookup
6253         parameter.  Add is_global parameter.  Change all callers.  Handle
6254         wildcard pattern specially.  Unquote pattern.  Call
6255         add_exact_match.
6256         (Version_script_info::get_name_to_match): New function.
6257         (Version_script_info::get_symbol_version): New function.
6258         (Version_script_info::get_symbol_version_helper): Remove.
6259         (Version_script_info::check_unmatched_names): Call unquote.
6260         * script.h (class Version_script_info): Change get_symbol_version
6261         to be non-inline and add is_global parameter; change all callers.
6262         Rewrite symbol_is_local.  Update declarations.  Define struct
6263         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6264         Remove globals_ and locals_ members.  Add exact_, globs_,
6265         default_version_, is_global_.
6266         (Version_script_info::Glob): Remove pattern, add expression and
6267         is_global.  Update constructor.  Change all callers.
6268         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6269         default version.
6270         (Versions::symbol_section_contents): If a symbol is undefined, or
6271         defined in a dynamic object, set the version index to
6272         VER_NDX_LOCAL.
6273         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6274         symbol_is_local.
6275         (Symbol_table::add_from_pluginobj): Likewise.
6276         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6277
6278 2010-01-11  Doug Kwan  <dougkwan@google.com>
6279
6280         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6281         (incremental_dump_LDADD): Add linking option for libintl.
6282         * Makefile.in: Regenerate.
6283
6284 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6285
6286         PR gold/11144
6287         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6288         instead of -Ds.
6289         * testsuite/Makefile.in: Regenerated.
6290
6291 2010-01-10  Doug Kwan  <dougkwan@google.com>
6292
6293         * options.h (DEFINE_var): Use parentheses around argument varname__
6294         in macro body to avoid any unintended subsequent substitutions.
6295
6296 2010-01-10  Ian Lance Taylor  <iant@google.com>
6297
6298         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6299         candidates before doing symbol resolution.
6300
6301         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6302         ODR candidates if only one is weak.
6303
6304 2010-01-08  Ian Lance Taylor  <iant@google.com>
6305
6306         * script.cc (Version_script_info::build_expression_list_lookup):
6307         Don't warn about ambiguous version, just record the ambiguity.
6308         (Version_script_info::get_symbol_version_helper): Give error if
6309         version is ambiguous.
6310
6311 2010-01-08  Doug Kwan  <dougkwan@google.com>
6312
6313         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6314           prev_data_size_ and prev_addralign_.  Remove initializer for
6315           deleted data member has_been_changed_.
6316           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6317           to determine if the table is empty.
6318           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6319           Remove.
6320           (Stub_table::add_reloc_stub): Define method in class definition
6321           instead of just declaring it there.
6322           (Stub_table::add_cortex_a8_stub): New method definition.
6323           (Stub_table::update_data_size_and_addralign): Ditto.
6324           (Stub_table::finalize_stubs): Ditto.
6325           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6326           (Stub_table::do_addralign_): Return address alignment in the
6327           (Stub_table::do_reset_address_and_file_offset): Define method in
6328           class definition instead of declaring it there.  Set current data
6329           size to be the data size of the previous pass.
6330           (Stub_table::set_final_data_size): Use current data size as the
6331           final data size.
6332           (Stub_table::relocate_stub): Change parameter type of stub from
6333           Reloc_stub pointer to Stub pointer.
6334           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6335           (Stub_table::Cortex_a8_stub_list): New typedef.
6336           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6337            Stub_table::prev_addralign_): New data member.
6338           (Arm_relobj::Arm_relobj): Initialize data member
6339           section_has_cortex_a8_workaround_.
6340           (Arm_relobj::section_has_cortex_a8_workaround,
6341            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6342            definitions.
6343           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6344           declarations.
6345           (Target_arm::relocate_stub): Change parameter type of stub from
6346           Reloc_stub pointer to Stub pointer.
6347           (Insn_template::size, Insn_template::alignment): Handle
6348           THUMB16_SPECIAL_TYPE.
6349           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6350            Stub_table::update_data_size_and_addralign,
6351            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6352           definitions.
6353           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6354           (Stub_table::do_write): Ditto.
6355           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6356
6357 2010-01-08  Ian Lance Taylor  <iant@google.com>
6358
6359         PR 11108
6360         * symtab.h (class Symbol): Remove fields is_target_special_ and
6361         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6362         (Symbol::is_defined_in_discarded_section): New function.
6363         (Symbol::set_is_defined_in_discarded_section): New function.
6364         (Symbol::has_plt_offset): Rewrite.
6365         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6366         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6367         Don't initialize is_target_special_ or has_plt_offset_.
6368         Initialize is_defined_in_discarded_section_.
6369         (Symbol_table::add_from_relobj): If appropriate, set
6370         is_defined_in_discarded_section.
6371         * resolve.cc (Symbol::override_base_with_special): Don't test
6372         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6373         * target-reloc.h (relocate_section): Do special handling for
6374         symbols defined in discarded sections for global symbols as well
6375         as local symbols.
6376
6377 2010-01-08  Ian Lance Taylor  <iant@google.com>
6378
6379         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6380         the SHT_SYMTAB case.
6381
6382 2010-01-08  Ian Lance Taylor  <iant@google.com>
6383
6384         * object.cc (Sized_relobj::do_layout): Don't get confused if
6385         layout_eh_frame returns NULL.
6386
6387 2010-01-08  Ian Lance Taylor  <iant@google.com>
6388
6389         PR 11084
6390         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6391         dynamic symbol table, use the normal symbol table.
6392         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6393         symbol table.
6394
6395 2010-01-08  Ian Lance Taylor  <iant@google.com>
6396
6397         PR 11072
6398         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6399         sections.
6400
6401 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6402
6403         * version.cc (print_version): Change to "Copyright 2010".
6404
6405 2010-01-08  Ian Lance Taylor  <iant@google.com>
6406
6407         PR 10287
6408         PR 11063
6409         * i386.cc (class Target_i386): Change return type of plt_section
6410         to be non-const.
6411         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6412         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6413         tls_desc_rel_ field.
6414         (Output_data_plt_i386::rel_tls_desc): New function.
6415         (Target_i386::rel_tls_desc_section): New function.
6416         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6417         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6418         R_386_TLS_DESC reloc in rel_tls_desc_section.
6419         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6420         Define struct Tlsdesc_info.
6421         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6422         (Target_x86_64::do_reloc_symbol_index): New function.
6423         (Target_x86_64::add_tlsdesc_info): New function.
6424         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6425         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6426         tlsdesc_rel_ field.
6427         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6428         all callers.
6429         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6430         (Target_x86_64::rela_tlsdesc_section): New function.
6431         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6432         handling.
6433         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6434         (Target_x86_64::do_reloc_addend): New function.
6435         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6436         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6437         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6438         (Output_reloc::type): New function.
6439         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6440         (Output_reloc::is_target_specific): New function.
6441         (Output_reloc::target_arg): New function.
6442         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6443         absolute relocs and target specific relocs.
6444         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6445         add_target_specific.
6446         (class Output_data_reloc) [SHT_RELA]: Likewise.
6447         * output.cc (Output_reloc::Output_reloc): Add four new versions
6448         for absolute relocs and target specific relocs.
6449         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6450         (Output_reloc::get_symbol_index): Likewise.
6451         (Output_reloc::local_section_offset): Check that local_sym_index_
6452         is not TARGET_CODE or 0.
6453         (Output_reloc::symbol_value): Likewise.
6454         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6455         reloc.
6456         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6457         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6458         functions.
6459         * layout.cc (add_target_dynamic_tags): Use output section for
6460         DT_PLTRELSZ and DT_JMPREL.
6461
6462 2010-01-07  Ian Lance Taylor  <iant@google.com>
6463
6464         PR 11061
6465         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6466         function.
6467         (class Output_data_reloc_generic): Define.
6468         (class Output_data_reloc_base): Change base class to
6469         Output_data_reloc_generic.  Change add() method to call
6470         bump_relative_reloc_count for a relative reloc.  Remove
6471         sort_relocs_ field.
6472         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6473         to sort_relocs().
6474         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6475         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6476         appropriate.
6477         * layout.h (class Layout): Update declaration.
6478
6479 2010-01-07  Ian Lance Taylor  <iant@google.com>
6480
6481         * output.h (class Output_data): Add const version of
6482         output_section and do_output_section.
6483         (class Output_section_data): Add const version of
6484         do_output_section.
6485         (class Output_section): Likewise.
6486         * layout.cc (Layout::add_target_dynamic_tags): New function.
6487         * layout.h (class Layout): Update declarations.
6488         * arm.cc (Target_arm::do_finalize_sections): Use
6489         add_target_dynamic_tags.
6490         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6491         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6492         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6493         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6494
6495 2010-01-07  Ian Lance Taylor  <iant@google.com>
6496
6497         PR 11042
6498         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6499         object as needed.
6500
6501 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6502             Ian Lance Taylor  <iant@google.com>
6503
6504         PR 11019
6505         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6506         Xindex::read_symtab_xindex.
6507
6508 2010-01-07  Doug Kwan  <dougkwan@google.com>
6509
6510         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6511         (Insn_template::thumb16_bcond_insn): New method declaration.
6512         (Insn_template): Fix spelling.
6513         (Stub::thumb16_special): New method declaration.
6514         (Stub::do_write): Define virtual method which was previously pure
6515         virtual.
6516         (Stub::do_thumb16_special): New method declaration.
6517         (Stub::do_fixed_endian_write): New template member.
6518         (Reloc_stub::do_write): Remove.
6519         (Reloc_stub::do_fixed_endian_write): Remove.
6520         (Cortex_a8_stub): New class definition.
6521         (Stub_factory::make_cortex_a8_stub): New method definition.
6522         (Stub_factory::Stub_factory): Add missing static storage class
6523         qualifier for elf32_arm_stub_a8_veneer_blx.
6524
6525 2010-01-07  Ian Lance Taylor  <iant@google.com>
6526
6527         PR 10980
6528         * options.h (class General_options): Add --warn-unresolved-symbols
6529         and --error-unresolved-symbols.
6530         * errors.cc (Errors::undefined_symbol): Implement
6531         --warn-unresolved-symbols.
6532
6533         * options.h (class General_options): Add -z text and -z textoff.
6534         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6535
6536 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6537
6538         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6539         (Garbage_collection::cident_sections): New function.
6540         (Garbage_collection::add_cident_section): New function.
6541         (Garbage_collection::cident_sections_): New member.
6542         (gc_process_relocs): Add references to sections whose names are C
6543         identifiers.
6544         * gold.h (cident_section_start_prefix): New constant.
6545         (cident_section_stop_prefix): New constant.
6546         (is_cident): New function.
6547         * layout.cc (Layout::define_section_symbols): Replace string constants
6548         with the newly defined constants.
6549         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6550         C identifiers.
6551         * testsuite/Makefile.am: Add gc_orphan_section_test.
6552         * testsuite/Makefile.in: Regenerate.
6553         * testsuite/gc_orphan_section_test.cc: New file.
6554         * testsuite/gc_orphan_section_test.sh: New file.
6555
6556 2010-01-06  Ian Lance Taylor  <iant@google.com>
6557
6558         PR 10980
6559         * options.h (class General_options): Add --warn-shared-textrel.
6560         * layout.cc (Layout::finish_dynamic_section): Implement
6561         --warn-shared-textrel.
6562
6563         PR 10980
6564         * options.h (class General_options): Add --warn-multiple-gp.
6565
6566 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6567
6568         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6569         $(THREADSLIB) and $(LIBDL).
6570         * Makefile.in: Rebuild.
6571
6572 2010-01-06  Ian Lance Taylor  <iant@google.com>
6573
6574         PR 10980
6575         * options.cc (General_options::parse_section_start): New function.
6576         (General_options::section_start): New function.
6577         (General_options::General_options): Initialize all members.
6578         * options.h: Include <map>
6579         (class General_options): Add --section-start.  Add section_starts_
6580         member.
6581         * layout.cc (Layout::attach_allocated_section_to_segment): If
6582         --section-start was used, set the address of the segment.  Remove
6583         local sort_sections.
6584         (Layout::relaxation_loop_body): If the address of the load segment
6585         has been set by --section-start, don't use it.
6586         * output.h (Output_segment::update_flags_for_output_section): New
6587         function.
6588         * output.cc (Output_segment::add_output_section): Call
6589         update_flags_for_output_section.
6590
6591 2010-01-05  Ian Lance Taylor  <iant@google.com>
6592
6593         PR 10980
6594         * options.h (class General_options): Add --undefined-version.
6595         * script.cc (struct Version_expression): Add was_matched_by_symbol
6596         field.
6597         (Version_script_info::matched_symbol): New function.
6598         (Version_script_info::get_symbol_version_helper): Call
6599         matched_symbol.
6600         (Version_script_info::check_unmatched_names): New function.
6601         * script.h (class Version_script_info): Update declarations.
6602         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6603
6604         * options.h (class General_options): Use DEFINE_bool_alias for
6605         allow_multiple_definition.
6606         * resolve.cc (Symbol_table::should_override): Don't test
6607         allow_multiple_definition.
6608
6609         PR 10980
6610         * options.h (class General_options): Add --cref.
6611         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6612         until after printing cref table.
6613         * cref.cc: Include "symtab.h".
6614         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6615         (Cref_table_compare::operator()): New function.
6616         (Cref_inputs::gather_cref): New function.
6617         (filecol): New static const.
6618         (Cref_inputs::print_cref): New function.
6619         (Cref::print_cref): New function.
6620         * cref.h: Include <cstdio>.
6621         (class Cref): Update declarations.
6622         * mapfile.h (Mapfile::file): New function.
6623         * object.h (class Object): Define Symbols.  Declare virtual
6624         do_get_global_symbols.
6625         (Object::get_global_symbols): New function.
6626         * object.cc (Input_objects::add_object): Pass object to cref_ if
6627         --cref.
6628         (Input_objects::archive_start): Likewise.
6629         (Input_objects::archive_stop): Likewise.
6630         (Input_objects::print_cref): New function.
6631         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6632         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6633         --cref.
6634         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6635         function.
6636         * plugin.h (class Sized_pluginobj): Update declarations.
6637
6638 2010-01-05  Ian Lance Taylor  <iant@google.com>
6639
6640         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6641         to is_default_version.  Rename insdef to insdefault.
6642         (Symbol_table::add_from_relobj): Rename def to is_default_version
6643         and local to is_forced_local.
6644         (Symbol_table::add_from_pluginobj): Likewise.
6645         (Symbol_table::add_from_dynobj): Likewise.
6646         (Symbol_table::define_special_symbol): Rename insdef to
6647         insdefault.
6648
6649 2010-01-04  Ian Lance Taylor  <iant@google.com>
6650
6651         PR 10980
6652         * options.h (class General_options): Add
6653         --allow-multiple-definition and -z muldefs.
6654         * resolve.cc (Symbol_table::should_override): Don't warn about a
6655         multiple symbol definition if --allow-multiple-definition or -z
6656         muldefs.
6657
6658         PR 10980
6659         * options.h (class General_options): Add --add-needed and
6660         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6661         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6662         error if --copy-dt-needed-entries aka --add-needed is used and
6663         would cause a change in behaviour.
6664
6665         PR 10980
6666         * options.h (class General_options): Add -G as a short version of
6667         --shared.  Add no-op options -assert, -g, and -i.
6668
6669 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6670
6671         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6672         check for .text or .gnu.linkonce.t sections.
6673         * icf.cc (Icf::find_identical_sections): Ditto.
6674         Change the detection for mangled function name within the section
6675         name.
6676         * icf.h (is_section_foldable_candidate): New function.
6677
6678 2009-12-30  Ian Lance Taylor  <iant@google.com>
6679
6680         PR 10980
6681         * options.h (class General_options): Permit two dashes with
6682         --retain-symbols-file.
6683
6684 2009-12-30  Ian Lance Taylor  <iant@google.com>
6685
6686         PR 10979
6687         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6688         don't put the file header and segment headers in the text
6689         segment.
6690
6691         PR 10979
6692         * common.cc (Sort_commons::operator()): Stabilize sort when both
6693         entries are NULL.
6694         (Symbol_table::do_allocate_commons_list): When allocating common
6695         symbols, skip a symbol which is no longer common.
6696         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6697         an object before checking its type.
6698         * testsuite/common_test_2.c: New file.
6699         * testsuite/common_test_3.c: New file.
6700         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6701         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6702         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6703         (common_test_2_pic.o, common_test_2.so): New targets.
6704         (common_test_3_pic.o, common_test_3.so): New targets.
6705         * testsuite/Makefile.in: Rebuild.
6706
6707         PR 10979
6708         * script.cc (read_input_script): If we see a new SECTIONS clause,
6709         and we have added an input section, give an error.
6710         * layout.h (class Layout): Add have_added_input_section function.
6711         Add have_added_input_section_ field.
6712         * layout.cc (Layout::Layout): Initialize
6713         have_added_input_section_.
6714         (Layout::layout): Set have_added_input_section_.
6715         (Layout::layout_eh_frame): Likewise.
6716
6717 2009-12-30  Ian Lance Taylor  <iant@google.com>
6718
6719         PR 10931
6720         * options.h (class General_options): Add --sort-common option.
6721         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6722         * common.cc (Sort_common): Add sort_order parameter to
6723         constructor.  Add sort_order_ field.
6724         (Sort_commons::operator): Check sort_order_.
6725         (Symbol_table::allocate_commons): Determine the sort order.
6726         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6727         Change all callers.
6728         (Symbol_table::do_allocate_commons_list): Likewise.
6729
6730 2009-12-30  Ian Lance Taylor  <iant@google.com>
6731
6732         PR 10916
6733         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6734         symbols from this object, don't change the visibility of an
6735         undefined symbol.
6736         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6737
6738 2009-12-30  Ian Lance Taylor  <iant@google.com>
6739
6740         PR 10861
6741         * script.h (class Version_script_info): Define Language enum.
6742         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6743         new fields globals_, locals_, and is_finalized_.
6744         * script.cc: Various formatting fixes.
6745         (class Parser_closure): Change language_stack_ from a vector of
6746         std::string to one of Version_script_info::Language.  Adjust all
6747         uses accordingly.
6748         (class Lazy_demangler): Remove.
6749         (struct Version_expression): Change language from std::string to
6750         Version_script_info::Language.
6751         (Version_script_info::Version_script_info): New function.
6752         (Version_script_info::~Version_script_info): Don't call clear.
6753         (Version_script_info::finalize): New function.
6754         (Version_script_info::build_lookup_tables): New function.
6755         (Version_script_info::build_expression_list_lookup): New
6756         function.
6757         (Version_script_info::get_symbol_version_helper): Rewrite to use
6758         lookup tables.
6759         (Version_script_info::print_expression_list): Adjust to use
6760         Version_script_info::Language.
6761         (script_push_lex_into_version_mode): Check that the version script
6762         has not been finalized.
6763         (version_script_push_lang): Change language string to
6764         Version_script_info::Language.
6765         * options.cc (Command_line::version_script): New function.
6766         * options.h (class General_options): Add finalize_dynamic_list
6767         function.  Change version_script from declaration to definition.
6768         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6769         * testsuite/version_script.map: Remove duplicate def of foo.
6770         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6771         version_script.map.
6772         * testsuite/Makefile.in: Rebuild.
6773
6774 2009-12-30  Ian Lance Taylor  <iant@google.com>
6775
6776         PR 10843
6777         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6778         if the input symbol index is 0, make the output symbol index 0.
6779
6780 2009-12-30  Ian Lance Taylor  <iant@google.com>
6781
6782         PR 10670
6783         * options.h (class General_options): Add -x/--discard-all.
6784         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6785         --discard-all.  If the local symbol needs a dynamic entry, check
6786         that before handling --discard-locals.
6787
6788 2009-12-30  Ian Lance Taylor  <iant@google.com>
6789
6790         PR 10450
6791         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6792         flags to PF_R.
6793         (Output_segment::add_output_section): Don't change the flags if
6794         the type is PT_TLS.
6795
6796         PR 10450
6797         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6798         GNU hash table if they need a dynamic value.  Otherwise, don't add
6799         them if they are defined in a dynamic object or are forced local.
6800
6801 2009-12-29  Ian Lance Taylor  <iant@google.com>
6802
6803         PR 10450
6804         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6805         .gnu.hash table for a 32-bit target.
6806
6807         PR 10450
6808         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6809         regular and a dynamic object only needs a dynamic symbol table
6810         entry if it is externally visible.
6811
6812         PR 10450
6813         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6814         constructor.  Add global_offset_table_ field.
6815         (Target_i386::got_section): Set global_offset_table_.
6816         (Target_i386::do_finalize_sections): Set global_offset_table_
6817         size.
6818         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6819         in constructor.  Add global_offset_table_ field.
6820         (Target_x86_64::got_section): Set global_offset_table_.
6821         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6822         size.
6823
6824         * layout.cc (Layout::Layout): Initialize increase_relro_.
6825         (Layout::get_output_section): Add is_relro, is_last_relro, and
6826         is_first_non_relro parameters.  Change all callers.
6827         (Layout::choose_output_section): Likewise.
6828         (Layout::add_output_section_data): Likewise.
6829         (Layout::make_output_section): Likewise.
6830         (Layout::set_segment_offsets): Clear increase_relro when using a
6831         linker script.
6832         * layout.h (class Layout): Add increase_relro method.  Add
6833         increase_relro_ field.  Update declarations.
6834         * output.cc (Output_section::Output_section): Initialize
6835         is_last_relro_ and is_first_non_relro_.
6836         (Output_segment::add_output_section): Group relro sections is
6837         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6838         (Output_segment::maximum_alignment): Remove relro handling.
6839         (Output_segment::set_section_addresses): Add increase_relro
6840         parameter.  Change all callers.  Add initial alignment to align
6841         relro sections on separate page.  Remove old relro handling.
6842         (Output_segment::set_section_list_addresses): Remove in_relro
6843         parameter.  Change all callers.
6844         (Output_segment::set_offset): Add increase parameter.  Change all
6845         callers.  Remove old relro handling.
6846         * output.h (class Output_section): Add new methods: is_last_relro,
6847         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6848         Add is_last_relro_ and is_first_non_relro_ fields.
6849         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6850         Create separate .got.plt section.  Call increase_relro.
6851         * x86_64.cc (Target_x86_64::got_section): Likewise.
6852         * testsuite/relro_script_test.t: Add .got.plt.
6853
6854         PR 10450
6855         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6856         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6857         (Layout::finalize): Call set_dynamic_symbol_size.
6858         (Layout::set_dynamic_symbol_size): New function.
6859         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6860         set_dynamic_symbol_size.
6861
6862         PR 10450
6863         * output.h (class Output_section): Add is_entsize_zero_ field.
6864         * output.cc (Output_section::Output_section): Initialize
6865         is_entsize_zero_.
6866         (Output_section::set_entsize): If two different entsizes are
6867         requested, force it to zero.
6868         (Output_section::add_input_section): Set flags for .debug_str
6869         before updating section flags.  Set entsize.
6870         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6871         and SHF_STRING if all input sections have those flags.
6872
6873 2009-12-29   Rafael Espindola  <espindola@google.com>
6874
6875         * main.cc (main): Fix the sys time reporting.
6876         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6877         reporting.
6878
6879 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6880
6881         * options.cc (General_options::parse_version): Allow -v to exit
6882         without an error if there is nothing to link.
6883
6884 2009-12-29  Ian Lance Taylor  <iant@google.com>
6885
6886         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6887         using a version of gcc before 4.1.
6888         * configure: Rebuild.
6889
6890 2009-12-28  Chris Demetriou  <cgd@google.com>
6891
6892         * attributes.cc (Output_attributes_section_data::do_write): Use
6893         std::vector::front rather than std::vector::data.
6894
6895 2009-12-28  Ian Lance Taylor  <iant@google.com>
6896
6897         * symtab.h (class Symbol_table): Add enum Defined.
6898         * resolve.cc (Symbol_table::should_override): Add defined
6899         parameter.  Change all callers.  Test whether object is NULL
6900         before calling a method on it.
6901         (Symbol_table::report_resolve_problem): Add defined parameter.
6902         Change all callers.
6903         (Symbol_table::should_override_with_special): Likewise.
6904         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6905         parameter.  Change all callers.
6906         (Symbol_table::do_define_in_output_data): Likewise.
6907         (Symbol_table::define_in_output_segment): Likewise.
6908         (Symbol_table::do_define_in_output_segment): Likewise.
6909         (Symbol_table::define_as_constant): Likewise.
6910         (Symbol_table::do_define_as_constant): Likewise.
6911         * script.h (class Symbol_assignment): Add is_defsym parameter to
6912         constructor; change all callers.
6913         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6914         parameter.  Change all callers.  Add is_defsym_ field.
6915         (class Parser_closure): Add parsing_defsym parameter to
6916         constructor; change all callers.  Add parsing_defsym accessor
6917         function.  Add parsing_defsym_ field.
6918
6919 2009-12-28  Ian Lance Taylor  <iant@google.com>
6920
6921         * gold.cc (queue_middle_tasks): Fix formatting.
6922         * object.cc (Relobj::is_section_name_included): Likewise.
6923
6924 2009-12-23  Ian Lance Taylor  <iant@google.com>
6925
6926         * i386.cc (Target_i386::do_calls_non_split): Recognize
6927         -fsplit-stack prologue for a function with a static chain.
6928         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6929         -fsplit-stack prologue when using %r11.
6930
6931 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6932
6933         * options.cc (General_options::parse_version): Make -v continue and do
6934         the link like GNU ld does.
6935
6936 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6937
6938         * Makefile.am (CCFILES): Add timer.cc.
6939         (HFILES): Add timer.h.
6940         * configure.ac: Check for sysconf and times.
6941         * main.cc: include timer.h.
6942         (main): Use Timer instead of get_run_time.
6943         * timer.cc: New.
6944         * timer.h: New.
6945         * workqueue.cc: include timer.h.
6946         (Workqueue::find_and_run_task):
6947         Report user, sys and wall time.
6948         * Makefile.in: Regenerate.
6949         * config.in: Regenerate.
6950         * configure: Regenerate.
6951
6952 2009-12-16  Doug Kwan  <dougkwan@google.com>
6953
6954         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6955         sections.
6956         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6957         relaxed input sections.
6958         * output.cc (Output_section::find_relaxed_input_section): Change
6959         return type to Output_relaxed_input_section pointer.  Adjust code
6960         for new type of relaxed_input_section_map_.
6961         * output.h (Output_section::find_relaxed_input_section): Change
6962         return type to Output_relaxed_input_section pointer.
6963         (Output_section::Output_relaxed_input_section_by_input_section_map):
6964         New type.
6965         (Output_section::relaxed_input_section_map_): Change type to
6966         Output_section::Output_relaxed_input_section_by_input_section_map.
6967         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6968         input section.
6969
6970 2009-12-15  Ian Lance Taylor  <iant@google.com>
6971
6972         * layout.cc (Layout::create_shstrtab): Only write out after input
6973         sections if we are compressing debug sections.
6974
6975 2009-12-15  Ian Lance Taylor  <iant@google.com>
6976
6977         * archive.cc (Archive::add_symbols): Only look up a symbol without
6978         a version if there is, in fact, a version.
6979
6980 2009-12-14  Ian Lance Taylor  <iant@google.com>
6981
6982         Revert -Wshadow changes, all changes from:
6983         2009-12-11  Doug Kwan  <dougkwan@google.com>
6984         2009-12-11  Nick Clifton  <nickc@redhat.com>
6985         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6986
6987 2009-12-11  Doug Kwan  <dougkwan@google.com>
6988
6989         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6990         due to -Wshadow.
6991         * attributes.cc (Object_attribute::size): Ditto.
6992         (Attributes_section_data::size): Ditto.
6993         (Attributes_section_data::Attributes_section_data): Ditto.
6994         (Output_attributes_section_data::do_write): Ditto.
6995         * attributes.h (Object_attribute::set_type): Ditto.
6996         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6997
6998 2009-12-11  Nick Clifton  <nickc@redhat.com>
6999
7000         * archive.cc: Fix shadowed variable warnings.
7001         * arm.cc: Likewise.
7002         * compressed_output.cc: Likewise.
7003         * compressed_output.h: Likewise.
7004         * configure: Likewise.
7005         * dwarf_reader.cc: Likewise.
7006         * dynobj.cc: Likewise.
7007         * dynobj.h: Likewise.
7008         * ehframe.cc: Likewise.
7009         * ehframe.h: Likewise.
7010         * errors.cc: Likewise.
7011         * expression.cc: Likewise.
7012         * fileread.cc: Likewise.
7013         * fileread.h: Likewise.
7014         * freebsd.h: Likewise.
7015         * i386.cc: Likewise.
7016         * icf.cc: Likewise.
7017         * incremental.h: Likewise.
7018         * layout.cc: Likewise.
7019         * layout.h: Likewise.
7020         * mapfile.cc: Likewise.
7021         * merge.cc: Likewise.
7022         * merge.h: Likewise.
7023         * object.cc: Likewise.
7024         * object.h: Likewise.
7025         * options.h: Likewise.
7026         * output.cc: Likewise.
7027         * output.h: Likewise.
7028         * parameters.cc: Likewise.
7029         * plugin.cc: Likewise.
7030         * powerpc.cc: Likewise.
7031         * reduced_debug_output.cc: Likewise.
7032         * reduced_debug_output.h: Likewise.
7033         * reloc.cc: Likewise.
7034         * reloc.h: Likewise.
7035         * resolve.cc: Likewise.
7036         * script-sections.cc: Likewise.
7037         * script.cc: Likewise.
7038         * script.h: Likewise.
7039         * sparc.cc: Likewise.
7040         * symtab.cc: Likewise.
7041         * symtab.h: Likewise.
7042         * target-select.cc: Likewise.
7043         * target-select.h: Likewise.
7044         * token.h: Likewise.
7045         * workqueue.cc: Likewise.
7046         * workqueue.h: Likewise.
7047         * x86_64.cc: Likewise.
7048
7049 2009-12-10  Doug Kwan  <dougkwan@google.com>
7050
7051         * arm.cc (attributes.h): New include.
7052         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7053         (Arm_relobj::~Arm_relobj): Delete object pointed by
7054         attributes_section_data_.
7055         (Arm_relobj::attributes_section_data): New method definition.
7056         (Arm_relobj::attributes_section_data_): New data member declaration.
7057         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7058         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7059         attributes_section_data_.
7060         (Arm_dynobj::attributes_section_data): New method definition.
7061         (Arm_dynobj::attributes_section_data_): New data member declaration.
7062         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7063         initialization value of may_use_blx_ to false.
7064         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7065         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7066         object attributes to compute results instead of hard-coding.
7067         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7068         Target_arm::get_secondary_compatible_arch,
7069         Target_arm::set_secondary_compatible_arch
7070         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7071         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7072         New method declarations.
7073         (Target_arm::get_aeabi_object_attribute): New method definition.
7074         (Target_arm::attributes_section_data_): New data member declaration.
7075         (read_arm_attributes_section): New template definition.
7076         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7077         (Arm_dynobj::do_read_symbols): Ditto.
7078         (Target_arm::do_finalize_sections): Merge attributes sections from
7079         input.  Check for BLX use after attributes section merging.
7080         Fix __exidx_start and __exidx_end visibility.  Create an
7081         .ARM.attributes section if necessary.
7082         (Target_arm::get_secondary_compatible_arch,
7083         Target_arm::set_secondary_compatible_arch,
7084         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7085         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7086         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7087         New method definitions.
7088
7089 2009-12-09  Ian Lance Taylor  <iant@google.com>
7090
7091         * plugin.cc (Plugin::load): Don't cast from void* to a function
7092         pointer.
7093
7094 2009-12-09  Ian Lance Taylor  <iant@google.com>
7095
7096         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7097         information fields.
7098
7099 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7100
7101         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7102         Replace two_file_shared_1.so with two_file_shared_2.so.
7103         * testsuite/Makefile.in: Regenerated.
7104
7105 2009-12-08  Doug Kwan  <dougkwan@google.com>
7106
7107         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7108         (HFILES): Add attributes.h and int_encoding.h.
7109         * Makefile.in: Regenerate.
7110         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7111         function definitions to int_encoding.cc
7112         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7113         prototypes to int_encoding.h
7114         * reduced_debug_output.cc (int_encoding.h): New include.
7115         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7116         function definitions to int_encoding.cc
7117         (insert_into_vector, read_from_pointer): Move template definitions to
7118         int_encoding.h
7119         * attributes.cc: New file.
7120         * attributes.h: New file.
7121         * int_encoding.cc: New file.
7122         * int_encoding.h: New file.
7123
7124 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7125
7126         PR gold/11055
7127         * incremental-dump.cc (dump_incremental_inputs): New.
7128         (main): Use dump_incremental_inputs.
7129
7130 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7131
7132         PR gold/10893
7133         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7134         checking elfcpp::STT_FUNC.
7135         (Target_i386::Relocate::relocate): Likewise.
7136         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7137
7138         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7139         symbols from shared libraries into normal FUNC symbols.
7140
7141         * symtab.h (Symbol): Add is_func and use it.
7142
7143 2009-12-05  Doug Kwan  <dougkwan@google.com>
7144
7145         * arm.cc (Target_arm::arm_info): Initialize new fields
7146         attributes_section and attributes_vendor.
7147         * i386.cc (Target_i386::i386_info): Same.
7148         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7149         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7150         fields attributes_section and attributes_vendor.
7151         * sparc.cc (Target_sparc::sparc_info): Same.
7152         * target.h (Target::attributes_section, Target::attributes_vendor,
7153         Target::is_attributes_section, Target::attribute_arg_type,
7154         Target::attributes_order): New method definitions.
7155         (Target::Target_info::attributes_section,
7156         Target::Target_info::attributes_vendor): New fields.
7157         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7158         virtual method definitions.
7159         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7160         attributes_section and attributes_vendor.
7161         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7162
7163 2009-12-05  Doug Kwan  <dougkwan@google.com>
7164
7165         * arm.cc: Update comments about interworking and stub generation.
7166         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7167         considered as non-PIC.
7168         (Arm_relocate_functions::base_abs): Fix formatting.
7169         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7170         of function to use GOT entry address instead of offset.
7171         (Target_arm::Scan::global): Issue an error if a symbol would need a
7172         PLT does not get one because it is untyped.  Remove code to create
7173         dynamic symbols for relative branches.
7174         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7175         takes unsigned integer instead of boolean.
7176
7177 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7178
7179         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7180         (two_file_test_LDADD): Likewise.
7181         (common_test_1_LDADD): Likewise.
7182         (exception_test_LDADD) Likewise.
7183         (weak_test_LDADD): Likewise.
7184         (many_sections_test_LDADD): Likewise.
7185         (initpri1_LDADD): Likewise.
7186         (script_test_1_LDADD): Likewise.
7187         (script_test_2_LDADD): Likewise.
7188         (justsyms_LDADD): Likewise.
7189         (binary_test_LDADD): Likewise.
7190         (large_LDADD): Likewise.
7191         * testsuite/Makefile.in: Regenerated.
7192
7193 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7194
7195         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7196         (Symbol_table::override_with_special): Likewise.
7197         (Symbol_table::add_from_object): Likewise.
7198
7199 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7200
7201         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7202         Don't set the data_offset twice.
7203
7204 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7205
7206         * testsuite/Makefile.in: Regenerate.
7207
7208 2009-12-03  Doug Kwan  <dougkwan@google.com>
7209
7210         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7211         (Target_arm::do_finalize_sections): Add parameter for symbol table
7212         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7213         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7214         parameter for symbol table pointer.
7215         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7216         an additional parameter for a pointer to symbol table.
7217         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7218         parameter for a symbol table pointer.
7219         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7220         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7221         Ditto.
7222         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7223         parameter for a symbol table pointer.
7224
7225 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7226
7227         * incremental.cc (Incremental_inputs_header)
7228         (Incremental_inputs_header_write, Incremental_inputs_entry)
7229         (Incremental_inputs_entry_write): Move ...
7230         * incremental.h (Incremental_inputs_header)
7231         (Incremental_inputs_header_write, Incremental_inputs_entry)
7232         (Incremental_inputs_entry_write): here.
7233
7234 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7235
7236         * incremental.cc (make_sized_incremental_binary): Set the target.
7237         Error if it is incompatible.
7238         * output.h (Output_file): Add filename method.
7239
7240 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7241
7242         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7243         from the get_* methods.
7244
7245 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7246
7247         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7248         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7249         Write 0 for the data_offset of scripts.
7250
7251 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7252
7253         * testsuite/Makefile.am: Add the incremental_test.sh test.
7254         * testsuite/incremental_test.sh: New.
7255         * testsuite/incremental_test_1.c: New.
7256         * testsuite/incremental_test_2.c: New.
7257
7258 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7259
7260        * incremental-dump.cc (main): Fix typos.
7261
7262 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7263
7264         PR gold/11025
7265         * incremental-dump.cc (main): Use llu to print 64 bit values.
7266
7267 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7268             H.J. Lu  <hongjiu.lu@intel.com>
7269
7270         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7271         $(LIBDL).
7272         (incremental_dump_LDADD): Likewise.
7273         * Makefile.in: Regenerated.
7274
7275 2009-11-25  Doug Kwan  <dougkwan@google.com>
7276
7277         Revert:
7278
7279         2009-11-25  Doug Kwan  <dougkwan@google.com>
7280
7281                 * arm.cc (Target_arm::Target_arm): Move method definition
7282                 outside of class definition.  Add code to handle
7283                 --target1-rel, --target1-abs and --target2= options.
7284                 (Target_arm::get_reloc_reloc_type): Change method to be
7285                 non-static and const.
7286                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7287                 New data member declaration.
7288                 (Target_arm::Scan::local, Target_arm::Scan::global,
7289                 Target_arm::Relocate::relocate,
7290                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7291                 Adjust call to Target_arm::get_real_reloc_type.
7292                 (Target_arm::get_real_reloc_type): Use command line options
7293                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7294                 * options.h (--target1-rel, --target1-abs, --target2): New
7295                 ARM-only options.
7296
7297 2009-11-25  Doug Kwan  <dougkwan@google.com>
7298
7299         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7300         class definition.  Add code to handle --target1-rel, --target1-abs
7301         and --target2= options.
7302         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7303         and const.
7304         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7305         member declaration.
7306         (Target_arm::Scan::local, Target_arm::Scan::global,
7307         Target_arm::Relocate::relocate,
7308         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7309         call to Target_arm::get_real_reloc_type.
7310         (Target_arm::get_real_reloc_type): Use command line options to
7311         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7312         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7313         options.
7314
7315 2009-11-25  Doug Kwan  <dougkwan@google.com>
7316
7317         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7318         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7319         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7320         formatting.
7321         (Arm_relocate_functions::thm_call): Replace body with a call to
7322         Arm_relocate_functions::thumb_branch_common.
7323         (Arm_relocate_functions::thm_jump24,
7324         Arm_relocate_functions::thm_xpc22): New method definitions.
7325         (Arm_relocate_functions::thumb_branch_common): New method definition.
7326         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7327         operator.
7328         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7329         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7330
7331 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7332
7333         * Makefile.am: Build incremental-dump
7334         * Makefile.in: Regenerate.
7335         * incremental-dump.cc: New.
7336         * incremental.cc (Incremental_inputs_header_data,
7337         Incremental_inputs_entry_data): Move to incremental.h
7338         * incremental.h: (Incremental_inputs_header_data,
7339         Incremental_inputs_entry_data): Move from incremental.cc
7340
7341 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7342
7343         * incremental.cc (Incremental_inputs_header,
7344         Incremental_inputs_header_write, Incremental_inputs_entry,
7345         Incremental_inputs_entry_write): Add a typedef with the data type.
7346
7347 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7348
7349         * incremental.cc (Incremental_inputs_header,
7350         Incremental_inputs_header_write, Incremental_inputs_entry,
7351         Incremental_inputs_entry_write): Update comment about which
7352         type has the filed descriptions.
7353
7354 2009-11-15  Doug Kwan  <dougkwan@google.com>
7355
7356         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7357         (Arm_relocate_functions::arm_branch_common): Change method defintion
7358         in class definition to a method declaration and update list of formal
7359         parameters.
7360         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7361         Arm_relocation_functions::jump24): Adjust call to
7362         Arm_relocate_functions::arm_branch_common.  Update list of formal
7363         parameters.
7364         (Arm_relocate_functions::xpc25): New method definition.
7365         (Arm_relocate_functions::arm_branch_common): Move method defintion
7366         out from class definition.  Use stubs for mode-switching and extending
7367         branch ranges.
7368         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7369         specially.  Change code to enable use of stubs in ARM branches.
7370
7371 2009-11-10  Doug Kwan  <dougkwan@google.com>
7372
7373         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7374         in method declaration.
7375         (Target_arm::relocate_stub): New method declaration.
7376         (Target_arm::default_target): Change to return a pointer instead of
7377         a const reference.
7378         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7379         Target_arm::default_target.
7380         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7381         method definition.
7382         (Target_arm::relocate_section): Adjust view.
7383         (Target_arm::relocate_stub): New method definition.
7384
7385 2009-11-10  Doug Kwan  <dougkwan@google.com>
7386
7387         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7388         a format warning.
7389         * incremental.cc (open_incremental_binary): Initialized local
7390         variables to avoid warnings.
7391         * object.cc (make_elf_object): Ditto.
7392         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7393         a format warning.
7394
7395 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7396
7397         PR gold/10930
7398         * testsuite/plugin_test.c: Include "config.h".
7399
7400 2009-11-09  Doug Kwan  <dougkwan@google.com>
7401
7402         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7403         (arm_symbol_value): Remove.
7404         (Arm_relocate_functions::arm_branch_common,
7405         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7406         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7407         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7408         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7409         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7410         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7411         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7412         Arm_relocate_functions::thm_mobw_abs_nc,
7413         Arm_relocate_functions::thm_mov_abs,
7414         Arm_relocate_functions::movw_prel_nc,
7415         Arm_relocate_functions::thm_movt_abs,
7416         Arm_relocate_functions::movt_prel,
7417         Arm_relocate_functions::thm_movw_prel_nc,
7418         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7419         (Target_arm::Relocate::relocate): Only decompose address into two
7420         parts if relocation type uses the thumb-bit and pass the actual
7421         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7422         calls to methods in Arm_relocate_functions for this change.
7423
7424 2009-11-08  Ian Lance Taylor  <iant@google.com>
7425
7426         PR 10925
7427         * reloc.cc: Instantiate
7428         Sized_relobj::initialize_input_to_output_maps and
7429         Sized_relobj:free_input_to_output_maps.
7430
7431 2009-11-06  Ian Lance Taylor  <iant@google.com>
7432
7433         PR 10876
7434         * defstd.cc (in_segment): Set only_if_ref true for "end".
7435
7436 2009-11-06  Doug Kwan  <dougkwan@google.com>
7437
7438         * arm.cc (class Reloc_stub): Correct a comment.
7439         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7440         (Target_arm::scan_section_for_stubs): New method declaration.
7441         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7442         Change methods from private to protected.
7443         (Target_arm::do_may_relax): New method definition.
7444         (Target_arm::do_relax, Target_arm::group_sections,
7445         Target_arm::scan_reloc_for_stub,
7446         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7447         (Target_arm::arm_input_section_map_): New data member declaration.
7448         (Target_arm::scan_reloc_for_stub,
7449         Target_arm::scan_reloc_section_for_stubs,
7450         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7451         Target_arm::do_relax): New method definitions.
7452
7453 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7454
7455         * configure.ac: Check for (struct stat)::st_mtim
7456         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7457         * config.in: Regenerate.
7458         * configure: Regenerate.
7459
7460 2009-11-05  Ian Lance Taylor  <iant@google.com>
7461
7462         PR 10910
7463         * output.cc (Output_segment::add_output_section): Add missing
7464         return statement.
7465
7466 2009-11-04  Ian Lance Taylor  <iant@google.com>
7467
7468         PR 10880
7469         * object.h (class Object): Add is_needed and set_is_needed
7470         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7471         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7472         defined in a dynamic object and referenced by a regular object,
7473         set is_needed for the dynamic object.
7474         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7475         if the file is marked with as_needed and it is not needed.
7476
7477 2009-11-04  Ian Lance Taylor  <iant@google.com>
7478
7479         PR 10887
7480         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7481         tags if data is discarded by linker script.
7482         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7483         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7484         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7485         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7486
7487 2009-11-04  Ian Lance Taylor  <iant@google.com>
7488
7489         * layout.cc (Layout::get_output_section): Add is_interp and
7490         is_dynamic_linker_section parameters.  Change all callers.
7491         (Layout::choose_output_section): Likewise.
7492         (Layout::make_output_section): Likewise.
7493         (Layout::add_output_section_data): Add is_dynamic_linker_section
7494         parameter.  Change all callers.
7495         * layout.h (class Layout): Update declarations.
7496         * output.h (class Output_section): Add is_interp, set_is_interp,
7497         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7498         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7499         generate_code_fills_at_write_ to a bitfield.
7500         * output.cc (Output_section::Output_sections): Initialize new
7501         fields.
7502         (Output_segment::add_output_section): Add do_sort parameter.
7503         Change all callers.
7504
7505 2009-11-03  Ian Lance Taylor  <iant@google.com>
7506
7507         PR 10860
7508         * options.h (class General_options): Add --warn-common.
7509         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7510         merging two common symbols.
7511         (Symbol_table::should_override): Handle --warn-common when merging
7512         a common symbol with a defined symbol.  Use report_resolve_problem
7513         for multiple definitions.
7514         (Symbol_table::report_resolve_problem): New function.
7515         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7516
7517 2009-11-03  Doug Kwan  <dougkwan@google.com>
7518
7519         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7520         stub_factory_.
7521         (Target_arm::stub_factory): New method definition.
7522         (Target_arm::new_arm_input_section,
7523         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7524         Target_arm::reloc_uses_thumb_bit): New method declarations.
7525         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7526         New type definitions.
7527         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7528         member declarations.
7529         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7530         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7531         New method definitions.
7532
7533 2009-11-03  Ian Lance Taylor  <iant@google.com>
7534
7535         * options.h (class General_options): Add --warn_constructors.
7536
7537 2009-11-03  Ian Lance Taylor  <iant@google.com>
7538
7539         PR 10893
7540         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7541         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7542
7543 2009-11-03  Ian Lance Taylor  <iant@google.com>
7544
7545         PR 10895
7546         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7547         --msgid-bugs-address.
7548         (install-pdf): New target.
7549         (install-data_yes): Look up one directory to find mkinstalldirs.
7550
7551 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7552
7553         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7554         tree.
7555
7556 2009-10-30  Doug Kwan  <dougkwan@google.com>
7557
7558         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7559
7560 2009-10-30  Doug Kwan  <dougkwan@google.com>
7561
7562         * arm.cc (Stub_addend_reader): New struct template definition
7563         and partial specializations.
7564         (Stub_addend_reader::operator()): New method definition for a
7565         partially specialized template.
7566
7567 2009-10-30  Doug Kwan  <dougkwan@google.com>
7568
7569         * arm.cc (Arm_relobj::processor_specific_flags): New method
7570         definition.
7571         (Arm_relobj::do_read_symbols): New method declaration.
7572         (Arm_relobj::processor_specific_flags_): New data member declaration.
7573         (Arm_dynobj): New class definition.
7574         (Target_arm::do_finalize_sections): Add input_objects parameter.
7575         (Target_arm::do_adjust_elf_header): New method declaration.
7576         (Target_arm::are_eabi_versions_compatible,
7577         (Target_arm::merge_processor_specific_flags): New method declaration.
7578         (Target_arm::do_make_elf_object): New overloaded method definitions
7579         and declaration.
7580         (Arm_relobj::do_read_symbols): New method definition.
7581         (Arm_dynobj::do_read_symbols): Ditto.
7582         (Target_arm::do_finalize_sections): Add input_objects parameters.
7583         Merge processor-specific flags from all input objects.
7584         (Target_arm::are_eabi_versions_compatible,
7585         Target_arm::merge_processor_specific_flags,
7586         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7587         New method definitions.
7588         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7589         Input_objects pointer type parameter.
7590         * layout.cc (Layout::finalize): Pass input objects to target's.
7591         finalize_sections function.
7592         * output.cc (Output_file_header::do_sized_write): Set ELF file
7593         header's processor-specific flags.
7594         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7595         Input_objects pointer type parameter.
7596         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7597         * target.h (Input_objects): New forward class declaration.
7598         (Target::processor_specific_flags,
7599         Target::are_processor_specific_flags_sect): New method definitions.
7600         (Target::finalize_sections): Add input_objects parameter.
7601         (Target::Target): Initialize processor_specific_flags_ and
7602         are_processor_specific_flags_set_.
7603         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7604         parameter.
7605         (Target::set_processor_specific_flags): New method definition.
7606         (Target::processor_specific_flags_,
7607         Target::are_processor_specific_flags_set_): New data member
7608         declarations.
7609         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7610         Input_objects pointer type parameter.
7611
7612 2009-10-30  Doug Kwan  <dougkwan@google.com>
7613
7614         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7615
7616 2009-10-28  Ian Lance Taylor  <iant@google.com>
7617
7618         * object.h (class Relobj): Drop options parameter from
7619         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7620         do_scan_relocs, do_relocate.  Change all callers.
7621         (class Sized_relobj): Drop options parameters from
7622         do_gc_process_relocs, do_scan_relocs, do_relocate,
7623         do_relocate_sections, relocate_sections, emit_relocs_scan,
7624         emit_relocs_scan_reltype.  Change all callers.
7625         (struct Relocate_info): Remove options field and all references to
7626         it.
7627         * reloc.h (class Read_relocs): Remove options constructor
7628         parameter and options_ field.  Change all callers.
7629         (class Gc_process_relocs, class Scan_relocs): Likewise.
7630         (class Relocate_task): Likewise.
7631         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7632         all callers.
7633         (scan_relocatable_relocs): Likewise.
7634         * target.h (class Sized_target): Remove options parameter from
7635         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7636         all callers.
7637         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7638         callers.
7639         * arm.cc: Update functions to remove options parameters.
7640         * i386.cc: Likewise.
7641         * powerpc.cc: Likewise.
7642         * sparc.cc: Likewise.
7643         * x86_64.cc: Likewise.
7644         * testsuite/testfile.cc: Likewise.
7645
7646 2009-10-28  Doug Kwan  <dougkwan@google.com>
7647
7648         * arm.cc (Arm_relobj): New class definition.
7649         (Arm_relobj::scan_sections_for_stubs,
7650         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7651         New method definitions.
7652
7653 2009-10-28  Cary Coutant  <ccoutant@google.com>
7654
7655         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7656         (Plugin::cleanup_done_): New member.
7657         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7658         (Plugin_manager::cleanup_done_): Remove.
7659         (Plugin_manager::add_input_file): Edit error message.
7660         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7661         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7662
7663 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7664
7665         * fileread.cc: (File_read::View::~View): Use the new
7666         data_ownership_ filed.
7667         (File_read::~File_read): Dispose the new whole_file_view_.
7668         (File_read::open): Mmap the whole file if needed.
7669         (File_read::open): Use whole_file_view_ instead of contents_.
7670         (File_read::find_view): Use whole_file_view_ if applicable.
7671         (File_read::do_read): Use whole_file_view_ instead of contents_.
7672         (File_read::make_view): Use whole_file_view_ instead of contents_,
7673         update File_read::View::View call.
7674         (File_read::find_or_make_view): Update File_read::View::View
7675         call.
7676         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7677         remove contents_
7678         (File_read::View::Data_ownership): New enum.
7679         (File_read::View::View): Replace bool mapped_ with Data_ownership
7680         argument.
7681         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7682         (File_read::View::data_ownership_): New field.
7683         (File_read::contents_): Remove (replaced by whole_file_view_).
7684         (File_read::whole_file_view_): New field.
7685         * options.h (class General_options): Add --keep-files-mapped.
7686
7687 2009-10-27  Cary Coutant  <ccoutant@google.com>
7688
7689         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7690         * testsuite/Makefile.am (plugin_test_5): New test case.
7691         * testsuite/Makefile.in: Regenerate.
7692
7693 2009-10-25  Doug Kwan  <dougkwan@google.com>
7694
7695         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7696         from private to protected to allow access by child class.
7697         (Sized_relobj::do_relocate_sections): New method declaration.
7698         (Sized_relobj::relocate_sections): Virtualize.
7699         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7700         Sized_relobj::relocate_sections.  Instantiate template explicitly
7701         for different target sizes and endianity.
7702
7703 2009-10-24  Doug Kwan  <dougkwan@google.com>
7704
7705         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7706         (Arm_input_section::as_arm_input_section): New method.
7707         (Arm_output_section): New class definition.
7708         (Arm_output_section::create_stub_group,
7709         Arm_output_section::group_sections): New method definitions.
7710
7711 2009-10-22  Doug Kwan  <dougkwan@google.com>
7712
7713         * arm.cc (Arm_input_section): New class definition.
7714         (Arm_input_section::init, Arm_input_section:do_write,
7715         Arm_input_section::set_final_data_size,
7716         Arm_input_section::do_reset_address_and_file_offset): New method
7717         definitions.
7718
7719 2009-10-21  Doug Kwan  <dougkwan@google.com>
7720
7721         * arm.cc (Stub_table, Arm_input_section): New forward class
7722         declarations.
7723         (Stub_table): New class defintion.
7724         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7725         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7726         New method definition.
7727
7728 2009-10-21  Doug Kwan  <dougkwan@google.com>
7729
7730         * arm.cc: Update copyright comments.
7731         (Target_arm): New forward class template declaration.
7732         (Arm_address): New type.
7733         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7734         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7735         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7736         constants.
7737         (Insn_template): Same.
7738         (DEF_STUBS): New macro.
7739         (Stub_type): New enum type.
7740         (Stub_template): New class definition.
7741         (Stub): Same.
7742         (Reloc_stub): Same.
7743         (Stub_factory): Same.
7744         (Target_arm::Target_arm): Initialize may_use_blx_ and
7745         should_force_pic_veneer_.
7746         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7747         Target_arm::should_force_pic_veneer,
7748         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7749         Target_arm::using_thumb_only, Target_arm:;default_target): New
7750         method defintions.
7751         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7752         New data member declarations.
7753         (Insn_template::size, Insn_template::alignment): New method defintions.
7754         (Stub_template::Stub_template): New method definition.
7755         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7756         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7757         (Stub_factory::Stub_factory): New method definition.
7758         * gold.h (string_hash): New template.
7759         * output.h (Input_section_specifier::hash_value): Use
7760         gold::string_hash.
7761         (Input_section_specifier::string_hash): Remove.
7762         * stringpool.cc (Stringpool_template::string_hash): Use
7763         gold::string_hash.
7764
7765 2009-10-20  Doug Kwan  <dougkwan@google.com>
7766
7767         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7768         symbols of relaxed input sections.
7769         * output.h (Output_section::find_relaxed_input_section): Make
7770         method public.
7771
7772 2009-10-16  Doug Kwan  <dougkwan@google.com>
7773
7774         * dynobj.cc (Versions::Versions): Initialize version_script_.
7775         Only insert base version symbol definition for a shared object
7776         if version script defines any version versions.
7777         (Versions::define_base_version): New method definition.
7778         (Versions::add_def): Check that base version is not needed.
7779         (Versions::add_need): Define base version lazily.
7780         * dynobj.h (Versions::define_base_version): New method declaration.
7781         (Versions::needs_base_version_): New data member declaration.
7782         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7783         (check_DATA): Add no_version_test.stdout.
7784         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7785         New make rules.
7786         * testsuite/Makefile.in: Regenerate.
7787         * testsuite/no_version_test.c: New file.
7788         * testsuite/no_version_test.sh: Ditto.
7789
7790 2009-10-16  Doug Kwan  <dougkwan@google.com>
7791
7792         * expression.cc (class Segment_start_expression): New class definition.
7793         (Segment_start_expression::value): New method definition.
7794         (script_exp_function_segment_start): Return a new
7795         Segment_start_expression.
7796         * gold/script-c.h (script_saw_segment_start_expression): New function
7797         prototype.
7798         * script-sections.cc (Script_sections::Script_sections): Initialize
7799         SAW_SEGMENT_START_EXPRESSION_ to false.
7800         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7801         and -Tbbs options to specify section addresses if given in
7802         command line and no SEGMENT_START expression is seen in a script.
7803         * script-sections.h (Script_sections::saw_segment_start_expression,
7804         Script_sections::set_saw_segment_start_expression): New method
7805         definition.
7806         (Script_sections::saw_segment_start_expression_): New data member
7807         declaration.
7808         * script.cc (script_saw_segment_start_expression): New function.
7809         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7810         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7811         script_test_7.sh and script_test_8.sh.
7812         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7813         script_test_8.stdout.
7814         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7815         (script_test_6, script_test_6.stdout, script_test_7,
7816         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7817         * Makefile.in: Regenerate.
7818         * testsuite/script_test_6.sh: New file.
7819         * testsuite/script_test_6.t: Same.
7820         * testsuite/script_test_7.sh: Same.
7821         * testsuite/script_test_7.t: Same.
7822         * testsuite/script_test_8.sh: Same.
7823
7824 2009-10-16  Doug Kwan  <dougkwan@google.com>
7825
7826         * output.cc (Output_segment::set_section_list_address): Cast
7827         expressions to unsigned long long type to avoid format warnings.
7828
7829 2009-10-15  Ian Lance Taylor  <iant@google.com>
7830
7831         * script.cc (Script_options::add_symbol_assignment): Always add a
7832         dot assignment to script_sections_.
7833         * script-sections.cc (Script_sections::add_dot_assignment):
7834         Initialize if necessary.
7835
7836         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7837         program headers with no load segment if there is a linker script.
7838
7839         * layout.cc (Layout::set_segment_offsets): Align the file offset
7840         to the segment aligment for -N or -n with no load segment.
7841         * output.cc (Output_segment::add_output_section): Don't crash if
7842         the first section is a TLS section.
7843         (Output_segment::set_section_list_addresses): Print an error
7844         message if the address moves backward in a linker script.
7845         * script-sections.cc
7846         (Output_section_element_input::set_section_addresses): Don't
7847         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7848         (Orphan_output_section::set_section_addresses): Likewise.
7849
7850 2009-10-15  Doug Kwan  <dougkwan@google.com>
7851
7852         * layout.cc (Layout::finish_dynamic_section): Generate tags
7853         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7854         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7855         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7856
7857 2009-10-14  Ian Lance Taylor  <iant@google.com>
7858
7859         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7860         fields.
7861         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7862         data_shdr fields of relinfo.
7863         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7864         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7865         R_386_TLS_LDO_32, adjust based on section flags.
7866         (Target_i386::Relocate::fix_up_ldo): Remove.
7867
7868 2009-10-13  Ian Lance Taylor  <iant@google.com>
7869
7870         Add support for -pie.
7871         * options.h (class General_options): Add -pie and
7872         --pic-executable.
7873         (General_options::output_is_position_independent): Test -pie.
7874         (General_options::output_is_executable): Return true if not shared
7875         and not relocatable.
7876         (General_options::output_is_pie): Remove.
7877         * options.cc (General_options::finalize): Reject incompatible uses
7878         of -pie.
7879         * gold.cc (queue_middle_tasks): A -pie link is not static.
7880         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7881         * symtab.cc (Symbol::final_value_is_known): Return false if
7882         output_is_position_independent.
7883         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7884         output_is_position_independent.
7885         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7886         output_is_position_independent.
7887         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7888         output_is_position_independent.
7889         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7890         two_file_pie_test.
7891         (basic_pie_test.o, basic_pie_test): New targets.
7892         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7893         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7894         (two_file_pie_test): New target.
7895         * testsuite/Makefile.in: Rebuild.
7896         * README: Remove note saying that -pie is not supported.
7897
7898 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7899
7900         * options.h (class General_options): Add -init and -fini.
7901         * layout.cc (Layout::finish_dynamic_section): Emit
7902         given init and fini functions.
7903
7904 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7905
7906         * gc.h (gc_process_relocs): Check if icf is enabled using new
7907         function.
7908         * gold.cc (queue_initial_tasks): Likewise.
7909         (queue_middle_tasks): Likewise.
7910         * object.cc (do_layout): Likewise.
7911         * symtab.cc (is_section_folded): Likewise.
7912         * main.cc (main): Likewise.
7913         * reloc.cc (Read_relocs::run): Likewise.
7914         (Sized_relobj::do_scan_relocs): Likewise.
7915         * icf.cc (is_function_ctor_or_dtor): New function.
7916         (Icf::find_identical_sections): Check if function is ctor or dtor when
7917         safe icf is chosen.
7918         * options.h (General_options::icf): Change option to be an enum.
7919         (Icf_status): New enum.
7920         (icf_enabled): New method.
7921         (icf_safe_folding): New method.
7922         (set_icf_status): New method.
7923         (icf_status_): New variable.
7924         * (options.cc) (General_options::finalize): Set icf_status_.
7925         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7926         icf_test and icf_keep_unique_test to use the --icf enum flag.
7927         * testsuite/icf_safe_test.sh: New file.
7928         * testsuite/icf_safe_test.cc: New file.
7929
7930 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7931
7932         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7933         includes to gc.h and icf.h.
7934         * arm.cc: Include gc.h.
7935         * gold.cc: Likewise.
7936         * i386.cc: Likewise.
7937         * powerpc.cc: Likewise.
7938         * sparc.cc: Likewise.
7939         * x86_64.cc: Likewise.
7940         * gc.h: Include icf.h.
7941
7942 2009-10-11  Ian Lance Taylor  <iant@google.com>
7943
7944         * plugin.cc: Include "gold.h" before other header files.
7945
7946 2009-10-10  Chris Demetriou  <cgd@google.com>
7947
7948         * options.h (Input_file_argument::Input_file_type): New enum.
7949         (Input_file_argument::is_lib_): Replace with...
7950         (Input_file_argument::type_): New member.
7951         (Input_file_argument::Input_file_argument): Take Input_file_type
7952         'type' rather than boolean 'is_lib' as second argument.
7953         (Input_file_argument::is_lib): Use type_.
7954         (Input_file_argument::is_searched_file): New function.
7955         (Input_file_argument::may_need_search): Handle is_searched_file.
7956         * options.cc (General_options::parse_library): Support -l:filename.
7957         (General_options::parse_just_symbols): Update for Input_file_argument
7958         changes.
7959         (Command_line::process): Likewise.
7960         * archive.cc (Archive::get_file_and_offset): Likewise.
7961         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7962         * script.cc (read_script_file, script_add_file): Likewise.
7963         * fileread.cc (Input_file::Input_file): Likewise.
7964         (Input_file::will_search_for): Handle is_searched_file.
7965         (Input_file::open): Likewise.
7966         * readsyms.cc (Read_symbols::get_name): Likewise.
7967         * testsuite/Makefile.am (searched_file_test): New test.
7968         * testsuite/Makefile.in: Regenerate.
7969         * testsuite/searched_file_test.cc: New file.
7970         * testsuite/searched_file_test_lib.cc: New file.
7971
7972 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7973             Ian Lance Taylor  <iant@google.com>
7974
7975         * descriptor.cc: Include <cstdio> and "binary-io.h".
7976         (Descriptors::open): Open the files in binary mode always.
7977         * script.cc (Lex::get_token): Treat \r as whitespace.
7978
7979 2009-10-09  Ian Lance Taylor  <iant@google.com>
7980
7981         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7982
7983 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7984             Ian Lance Taylor  <iant@google.com>
7985
7986         * configure.ac: Check for readv function also.
7987         * fileread.cc (readv): Define if not HAVE_READV.
7988         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7989         does not exist.
7990         * config.in: Regenerate.
7991         * configure: Regenerate.
7992
7993 2009-10-09  Doug Kwan  <dougkwan@google.com>
7994
7995         * layout.cc (Layout::make_output_section): Call target hook to make
7996         ordinary output section.
7997         (Layout::finalize): Adjust parameter list of call the
7998         Target::may_relax().
7999         * layout.h (class Layout::section_list): New method.
8000         * merge.h (Output_merge_base::entsize): Change visibility to public.
8001         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8002         New methods.
8003         (Output_merge_string::do_is_string): New method.
8004         * object.cc (Sized_relobj::do_setup): renamed from
8005         Sized_relobj::set_up.
8006         * object.h (Sized_relobj::adjust_shndx,
8007         Sized_relobj::initializ_input_to_output_maps,
8008         Sized_relobj::free_input_to_output_maps): Change visibilities to
8009         protected.
8010         (Sized_relobj::setup): Virtualize.
8011         (Sized_relobj::do_setup): New method declaration.
8012         (Sized_relobj::invalidate_section_offset,
8013         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8014         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8015         * options.cc (parse_int): New function.
8016         * options.h (parse_int): New declaration.
8017         (DEFINE_int): New macro.
8018         (stub_group_size): New option.
8019         * output.cc (Output_section::Output_section): Initialize memebers
8020         merge_section_map_, merge_section_by_properties_map_,
8021         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8022         (Output_section::add_input_section): Handled deferred code-fill
8023         generation and remove an old comment.
8024         (Output_section::add_relaxed_input_section): New method definition.
8025         (Output_section::add_merge_input_section): Use merge section by
8026         properties map to speed to search.  Update merge section maps
8027         as appropriate.
8028         (Output_section::build_relaxation_map): New method definition.
8029         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8030         Same.
8031         (Output_section::relax_input_section): Renamed to
8032         Output_section::convert_input_sections_to_relaxed_sections and change
8033         interface to take a vector of pointers to relaxed sections.
8034         (Output_section::find_merge_section,
8035         Output_section::find_relaxed_input_section): New method definitions.
8036         (Output_section::is_input_address_mapped,
8037         Output_section::output_offset, Output_section::output_address):
8038         Use output section data maps to speed up searching.
8039         (Output_section::find_starting_output_address): Add comments.
8040         (Output_section::do_write,
8041         Output_section::write_to_postprocessing_buffer): Do code-fill
8042         generation as appropriate.
8043         (Output_section::get_input_sections): Invalidate relaxed input section
8044         map.
8045         (Output_section::restore_states): Adjust type of checkpoint .
8046         Invalidate relaxed input section map.
8047         * output.h (Output_merge_base): New class declaration.
8048         (Input_section_specifier): New class defintion.
8049         (class Output_relaxed_input_section) Change base class to
8050         Output_section_data_build.
8051         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8052         base class initializer.
8053         (Output_section::add_relaxed_input_section): New method declaration.
8054         (Output_section::Input_section): Change visibility to protected.
8055         (Output_section::Input_section::relobj,
8056         Output_section::Input_section::shndx): Handle relaxed input sections.
8057         Output_section::input_sections) Change visibility to protected.  Also
8058         define overload to return a non-const pointer.
8059         (Output_section::Merge_section_properties): New class defintion.
8060         (Output_section::Merge_section_by_properties_map,
8061         Output_section::Output_section_data_by_input_section_map,
8062         Output_section::Relaxation_map): New types.
8063         (Output_section::relax_input_section): Rename method to
8064         Output_section::convert_input_sections_to_relaxed_sections and change
8065         interface to take a vector of relaxed section pointers.
8066         (Output_section::find_merge_section,
8067         Output_section::find_relaxed_input_section,
8068         Output_section::build_relaxation_map,
8069         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8070         New method declarations.
8071         (Output_section::merge_section_map_
8072         Output_section::merge_section_by_properties_map_,
8073         Output_section::relaxed_input_section_map_,
8074         Output_section::is_relaxed_input_section_map_valid_,
8075         Output_section::generate_code_fills_at_write_): New data members.
8076         * script-sections.cc
8077         (Output_section_element_input::set_section_addresses): Call
8078         current_data_size and addralign methods of relaxed input sections.
8079         (Orphan_output_section::set_section_addresses): Call current_data_size
8080         and addralign methods of relaxed input sections.
8081         * symtab.cc (Symbol_table::compute_final_value): Extract template
8082         from the body of Symbol_table::sized_finalize_symbol.
8083         (Symbol_table::sized_finalized_symbol): Call
8084         Symbol_table::compute_final_value.
8085         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8086         (Symbol_table::compute_final_value): New templated method declaration.
8087         * target.cc (Target::do_make_output_section): New method defintion.
8088         * target.h (Target::make_output_section): New method declaration.
8089         (Target::relax): Add more parameters for input objects, symbol table
8090         and layout.  Adjust call to do_relax.
8091         (Target::do_make_output_section): New method declaration.
8092         (Target::do_relax): Add parameters for input objects, symbol table
8093         and layout.
8094
8095 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8096
8097         * pread.c: Include stdio.h.
8098
8099 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8100
8101         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8102         defined.
8103
8104 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8105
8106         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8107         Change read_shndx type to unsigned int.
8108         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8109         int.
8110         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8111         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8112         Change read_shndx type to unsigned int.
8113         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8114         int.
8115         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8116         * layout.cc (Layout::create_symtab_sections): Cast the result of
8117         local_symcount * symsize to off_t in the gold_assert.
8118
8119 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8120
8121         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8122         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8123         R_ARM_BASE_ABS.
8124         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8125         (Arm_relocate_functions::thm_abs5): New function.
8126         (Arm_relocate_functions::abs12): New function.
8127         (Arm_relocate_functions::abs16): New function.
8128         (Arm_relocate_functions::base_abs): New function.
8129         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8130         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8131         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8132         R_ARM_BASE_ABS.
8133         (Scan::global): Likewise.
8134         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8135         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8136         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8137         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8138         R_ARM_BASE_ABS.
8139
8140 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8141
8142         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8143         (Arm_relocate_functions::movt_prel): New function.
8144         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8145         (Arm_relocate_functions::thm_movt_prel): New function.
8146         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8147         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8148         (Scan::global, Relocate::relocate): Likewise.
8149         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8150
8151 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8152
8153         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8154         Incremental_checker.
8155         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8156         unsigned int.
8157         (class Incremental_inputs_header): New class.
8158         (Incremental_inputs_header_writer): Edit comment.
8159         (Incremental_inputs_entry): New class.
8160         (Incremental_inputs_entry_writer): Edit comment.
8161         (Sized_incremental_binary::do_find_incremental_inputs_section):
8162         Add *strtab_shndx parameter, fill it.
8163         (Sized_incremental_binary::do_check_inputs): New method.
8164         (Incremental_checker::can_incrementally_link_output_file): Use
8165         Sized_incremental_binary::check_inputs.
8166         (Incremental_inputs::report_command_line): Save command line in
8167         command_line_.
8168         * incremental.h:
8169         (Incremental_binary::find_incremental_inputs_section): New
8170         method.
8171         (Incremental_binary::do_find_incremental_inputs_section): Add
8172         strtab_shndx parameter.
8173         (Incremental_binary::do_check_inputs): New pure virtual method.
8174         (Sized_incremental_binary::do_check_inputs): Declare.
8175         (Incremental_checker::Incremental_checker): Add incremental_inputs
8176         parameter, use it to initialize incremental_inputs_.
8177         (Incremental_checker::incremental_inputs_): New field.
8178         (Incremental_checker::command_line): New method.
8179         (Incremental_checker::inputs): New method.
8180         (Incremental_checker::command_line_): New field.
8181
8182 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8183
8184         * incremental.cc: Include <cstdarg> and "target-select.h".
8185         (vexplain_no_incremental): New function.
8186         (explain_no_incremental): New function.
8187         (Incremental_binary::error): New method.
8188         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8189         method.
8190         (make_sized_incremental_binary): New function.
8191         (open_incremental_binary): New function.
8192         (can_incrementally_link_file): Add checks if output is ELF and has
8193         inputs section.
8194         * incremental.h: Include "elfcpp_file.h" and "output.h".
8195         (Incremental_binary): New class.
8196         (Sized_incremental_binary): New class.
8197         (open_incremental_binary): Declare.
8198         * object.cc (is_elf_object): Use
8199         elfcpp::Elf_recognizer::is_elf_file.
8200         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8201         * output.h (Output_file::filesize): New method.
8202
8203 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8204
8205         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8206         New function.
8207         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8208         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8209         function.
8210         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8211         function.
8212         (Arm_relocate_functions::movw_abs_nc): New function.
8213         (Arm_relocate_functions::movt_abs): New function.
8214         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8215         (Arm_relocate_functions::thm_movt_abs): New function.
8216         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8217         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8218         (Scan::global): Likewise.
8219         (Relocate::relocate): Likewise.
8220         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8221
8222 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8223
8224         * arm.cc (Arm_relocate_functions::got_prel) New function.
8225         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8226         (Relocate::relocate): Likewise.
8227         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8228
8229 2009-10-06  Ian Lance Taylor  <iant@google.com>
8230
8231         * options.h (class General_options): Define
8232         split_stack_adjust_size parameter.
8233         * object.h (class Object): Add uses_split_stack_ and
8234         has_no_split_stack_ fields.  Add uses_split_stack and
8235         has_no_split_stack accessor functions.  Declare
8236         handle_split_stack_section.
8237         (class Reloc_symbol_changes): Define.
8238         (class Sized_relobj): Define Function_offsets.  Declare
8239         split_stack_adjust, split_stack_adjust_reltype, and
8240         find_functions.
8241         * object.cc (Object::handle_split_stack_section): New function.
8242         (Sized_relobj::do_layout): Call handle_split_stack_section.
8243         * dynobj.cc (Sized_dynobj::do_layout): Call
8244         handle_split_stack_section.
8245         * reloc.cc (Sized_relobj::relocate_sections): Call
8246         split_stack_adjust for executable sections in split_stack
8247         objects.  Pass reloc_map to relocate_section.
8248         (Sized_relobj::split_stack_adjust): New function.
8249         (Sized_relobj::split_stack_adjust_reltype): New function.
8250         (Sized_relobj::find_functions): New function.
8251         * target-reloc.h: Include "object.h".
8252         (relocate_section): Add reloc_symbol_changes parameter.  Change
8253         all callers.
8254         * target.h (class Target): Add calls_non_split method.  Declare
8255         do_calls_non_split virtual method.  Declare match_view and
8256         set_view_to_nop.
8257         * target.cc: Include "elfcpp.h".
8258         (Target::do_calls_non_split): New function.
8259         (Target::match_view): New function.
8260         (Target::set_view_to_nop): New function.
8261         * gold.cc (queue_middle_tasks): Give an error if mixing
8262         split-stack and non-split-stack objects with -r.
8263         * i386.cc (Target_i386::relocate_section): Add
8264         reloc_symbol_changes parameter.
8265         (Target_i386::do_calls_non_split): New function.
8266         * x86_64.cc (Target_x86_64::relocate_section): Add
8267         reloc_symbol_changes parameter.
8268         (Target_x86_64::do_calls_non_split): New function.
8269         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8270         parameter.
8271         * powerpc.cc (Target_powerpc::relocate_section): Add
8272         reloc_symbol_changes parameter.
8273         * sparc.cc (Target_sparc::relocate_section): Add
8274         reloc_symbol_changes parameter.
8275         * configure.ac: Call AM_CONDITIONAL for the default target.
8276         * configure: Rebuild.
8277         * testsuite/Makefile.am (TEST_AS): New variable.
8278         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8279         (check_DATA): Add split_i386 and split_x86_64 files.
8280         (SPLIT_DEFSYMS): Define.
8281         (split_i386_[1234n].o): New targets.
8282         (split_i386_[124]): New targets.
8283         (split_i386_[1234r].stdout): New targets.
8284         (split_x86_64_[1234n].o): New targets.
8285         (split_x86_64_[124]): New targets.
8286         (split_x86_64_[1234r].stdout): New targets.
8287         (MOSTLYCLEANFILES): Add new executables.
8288         * testsuite/split_i386.sh: New file.
8289         * testsuite/split_x86_64.sh: New file.
8290         * testsuite/split_i386_1.s: New file.
8291         * testsuite/split_i386_2.s: New file.
8292         * testsuite/split_i386_3.s: New file.
8293         * testsuite/split_i386_4.s: New file.
8294         * testsuite/split_i386_n.s: New file.
8295         * testsuite/split_x86_64_1.s: New file.
8296         * testsuite/split_x86_64_2.s: New file.
8297         * testsuite/split_x86_64_3.s: New file.
8298         * testsuite/split_x86_64_4.s: New file.
8299         * testsuite/split_x86_64_n.s: New file.
8300         * testsuite/testfile.cc (Target_test): Update relocation_section
8301         function.
8302         * testsuite/Makefile.in: Rebuild.
8303
8304 2009-10-06  Ian Lance Taylor  <iant@google.com>
8305
8306         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8307         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8308         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8309         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8310         the address on ldo_addrs_.
8311         (Target_i386::Relocate::fix_up_ldo): New function.
8312
8313 2009-10-06   Rafael Espindola  <espindola@google.com>
8314
8315         * plugin.cc (add_input_library): New.
8316         (Plugin::load): Add add_input_library to tv.
8317         (Plugin_manager::add_input_file): Add the is_lib argument.
8318         (add_input_file): Update call to Plugin_manager::add_input_file.
8319         (add_input_library): New.
8320         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8321
8322 2009-09-30  Doug Kwan  <dougkwan@google.com>
8323
8324         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8325         symbol and call Symbol::may_need_copy_reloc to determine if
8326         a copy reloc is needed.
8327         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8328         nocopyreloc is given in command line.
8329         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8330         given in command line.
8331         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8332         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8333         of the removed Target_i386::may_need_copy_reloc.
8334         * options.h (copyreloc): New option with default value false.
8335         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8336         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8337         instead of the removed Target_powerpc::may_need_copy_reloc.
8338         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8339         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8340         instead of the removed Target_sparc::may_need_copy_reloc.
8341         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8342         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8343         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8344         instead of the removed Target_x86_64::may_need_copy_reloc.
8345
8346 2009-09-30  Ian Lance Taylor  <iant@google.com>
8347
8348         * object.h (class Object): Remove target_ field, and target,
8349         sized_target, and set_target methods.
8350         (Object::sized_target): Remove.
8351         (class Sized_relobj): Update declarations.  Remove sized_target.
8352         * object.cc (Sized_relobj::setup): Remove target parameter.
8353         Change all callers.
8354         (Input_objects::add_object): Don't do anything with the target.
8355         (make_elf_sized_object): Add punconfigured parameter.  Change all
8356         callers.  Set or test parameter target.
8357         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8358         Change all callers.
8359         * parameters.cc (Parameters::set_target): Change parameter type to
8360         be non-const.
8361         (Parameters::default_target): Remove.
8362         (set_parameters_target): Change parameter type to be non-const.
8363         (parameters_force_valid_target): New function.
8364         (parameters_clear_target): New function.
8365         * parameters.h (class Parameters): Update declarations.  Remove
8366         default_target method.  Add sized_target and clear_target
8367         methods.  Change target_ to be non-const.
8368         (set_parameters_target): Update declaration.
8369         (parameters_force_valid_target): Declare.
8370         (parameters_clear_target): Declare.
8371         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8372         as NULL if we aren't searching.
8373         (Add_symbols::run): Don't check for compatible target.
8374         * fileread.cc (Input_file::open_binary): Call
8375         parameters_force_valid_target.
8376         * gold.cc (queue_middle_tasks): Likewise.
8377         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8378         set_target on object.
8379         * dynobj.h (class Sized_dynobj): Update declarations.
8380         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8381         make_elf_object returns NULL.
8382         (Archive::include_member): Don't check whether object target is
8383         compatible.
8384         * output.cc (Output_section::add_input_section): Get target from
8385         parameters.
8386         (Output_section::relax_input_section): Likewise.
8387         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8388         parameters.
8389         (Sized_relobj::do_scan_relocs): Likewise.
8390         (Sized_relobj::relocate_sections): Likewise.
8391         * resolve.cc (Symbol_table::resolve): Likewise.
8392         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8393         parameter.  Change all callers.
8394         (Symbol_table::add_from_object): Get target from parameters.
8395         (Symbol_table::add_from_relobj): Don't check object target.
8396         (Symbol_table::add_from_dynobj): Likewise.
8397         (Symbol_table::define_special_symbol): Get target from
8398         parameters.
8399         * symtab.h (class Symbol_table): Update declaration.
8400         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8401         parameter.  Change all callers.  Clear parameter target.
8402         (Binary_test): Test target here.
8403         * testsuite/object_unittest.cc (gold_testsuite): Remove
8404         target_test_pointer parameter.  Change all callers.
8405         (Object_test): Test target here.
8406
8407 2009-09-26  Ian Lance Taylor  <iant@google.com>
8408
8409         * testsuite/initpri1.c: Don't try to use constructor priorities if
8410         compiling with gcc before 4.3.
8411
8412 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8413
8414         * testsuite/retain_symbols_file_test.sh (check_present): Change
8415         output file name to retain_symbols_file_test.stdout.
8416         (check_absent): Likewise.
8417
8418 2009-09-18  Craig Silverstein  <csilvers@google.com>
8419
8420         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8421         * options.cc: Include <cerrno> and <fstream>.
8422         (General_options::finalize): Parse -retain-symbols-file tag.
8423         * options.h: New flag.
8424         (General_options): New method should_retain_symbol, new
8425         variable symbols_to_retain.
8426         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8427         should_retain_symbol map.
8428         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8429         * testsuite/Makefile.in: Regenerate.
8430         * testsuite/retain_symbols_file_test.sh: New file.
8431
8432 2009-09-18  Nick Clifton  <nickc@redhat.com>
8433
8434         * po/es.po: Updated Spanish translation.
8435
8436 2009-09-17  Doug Kwan  <dougkwan@google.com>
8437
8438         * debug.h (DEBUG_RELAXATION): New constant.
8439         (DEBUG_ALL): Add DEBUG_RELAXATION.
8440         (debug_string_to_enum): Add relaxation debug option.
8441         * layout.cc
8442         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8443         Layout::Relaxation_debug_check::read_sections,
8444         Layout::Relaxation_debug_check::read_sections): New method definitions.
8445         (Layout::Layout): Initialize data members
8446         record_output_section_data_from_scrips_,
8447         script_output_section_data_list_ and relaxation_debug_check_.
8448         (Layout::save_segments, Layout::restore_segments,
8449         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8450         Layout::relaxation_loop_body): New method definitions.
8451         (Layout::finalize): Support relaxation.  Move section layout code to
8452         Layout::relaxation_loop_body.
8453         (Layout::set_asection_address_from_script): Move code for orphan
8454         section placement out.
8455         (Layout::place_orphan_sections_in_script): New method definition.
8456         * layout.h (Output_segment_headers, Output_file_header):
8457         New forward class declarations.
8458         (Layout::~Layout): Define.
8459         (Layout::new_output_section_data_from_script): New method definition.
8460         (Layout::place_orphan_sections_in_script): New method declaration.
8461         (Layout::Segment_states): New type declaration.
8462         (Layout::save_segments, Layout::restore_segments,
8463         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8464         Layout::relaxation_loop_body): New method declarations.
8465         (Layout::Output_section_data_list): New type declaration.
8466         (Layout::Relaxation_debug_check): New class definition.
8467         (Layout::record_output_section_data_from_script_,
8468         Layout::script_output_section_data_list_, Layout::segment_states_,
8469         Layout::relaxation_debug_check_): New data members.
8470         * output.cc: (Output_section_headers::do_size): New method definition.
8471         (Output_section_headers::Output_section_headers): Move size
8472         computation to Output_section_headers::do_size.
8473         (Output_segment_headers::do_size): New method definition.
8474         (Output_file_header::Output_file_header): Move size computation to
8475         Output_file_header::do_size and call it.
8476         (Output_file_header::do_size): New method definition.
8477         (Output_data_group::Output_data_group): Adjust call to
8478         Output_section_data.
8479         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8480         (Output_symtab_xindex::do_write): Add array bound check.
8481         (Output_section::Input_section::print_to_mapfile): Handle
8482         RELAXED_INPUT_SECTION_CODE.
8483         (Output_section::Output_section): Initialize data member checkpoint_.
8484         (Output_section::~Output_section): Delete checkpoint object pointed
8485         by checkpoint_.
8486         (Output_section::add_input_section): Always add an Input_section if
8487         relaxing.
8488         (Output_section::add_merge_input_section): Add assert.
8489         (Output_section::relax_input_section): New method definition.
8490         (Output_section::set_final_data_size): Set load address to zero for
8491         an unallocated section.
8492         (Output_section::do_address_and_file_offset_have_reset_values):
8493         New method definition.
8494         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8495         Handle relaxed input section.
8496         (Output_section::sort_attached_input_sections): Checkpoint input
8497         section list lazily.
8498         (Output_section::get_input_sections): Change type of input_sections to
8499         list of Simple_input_section pointers.  Checkpoint input section list
8500         lazily.  Also handle relaxed input sections.
8501         (Output_section::add_input_section_for_script): Take a reference to
8502         a Simple_input_section object instead of Relobj pointer and section
8503         index as parameter.  Handle relaxed input sections.
8504         (Output_section::save_states, Output_section::restore_states): New
8505         method definitions.
8506         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8507         (Output_data::is_data_size_fixed): New method definition.
8508         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8509         if it is fixed.
8510         (Output_data::address_and_file_offset_have_reset_values): New method
8511         definition.
8512         (Output_data::do_address_and_file_offset_have_reset_values): New method
8513         definition.
8514         (Output_data::set_data_size): Check that data size is not fixed.
8515         (Output_data::fix_data_size): New method definition.
8516         (Output_data::is_data_size_fixed_): New data member.
8517         (Output_section_headers::set_final_data_size): New method definition.
8518         (Output_section_headers::do_size): New method declaration.
8519         (Output_segment_headers::set_final_data_size): New method definition.
8520         (Output_segment_headers::do_size): New method declaration.
8521         (Output_file_header::set_final_data_size)::New method definition.
8522         (Output_file_header::do_size)::New method declaration.
8523         (Output_section_data::Output_section_data): Add new parameter
8524         is_data_size_fixed and use it to fix data size.
8525         (Output_data_const::Output_data_const): Adjust call to base class
8526         constructor and fix data size.
8527         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8528         base class constructor and fix data size.
8529         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8530         base class constructor and fix data size.
8531         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8532         class constructor and fix data size.
8533         (Output_data_group::set_final_data_size): New method definition.
8534         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8535         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8536         class constructor and fix data size.
8537         (Output_relaxed_input_section): New class definition.
8538         (Output_section::Simple_input_section): New class definition.
8539         (Output_section::get_input_sections): Adjust parameter list.
8540         (Output_section::add_input_section_for_script): Same.
8541         (Output_section::save_states, Output_section::restore_states,
8542         Output_section::do_address_and_file_offset_have_reset_values,
8543         (Output_section::Input_section::Input_section): Handle
8544         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8545         Output_relaxed_input_section.
8546         (Output_section::Input_section::is_input_section,
8547         Output_section::Input_section::set_output_section): Handle relaxed
8548         input section.
8549         (Output_section::Input_section::is_relaxed_input_section,
8550         Output_section::Input_section::output_section_data,
8551         Output_section::Input_section::relaxed_input_section): New method
8552         definitions.
8553         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8554         value.
8555         (Output_section::Input_section::u1_): Update comments.
8556         (Output_section::Input_section::u2_): Add new union member poris.
8557         (Output_section::Checkpoint_output_section): New classs definition.
8558         (Output_section::relax_input_section): New method declaration.
8559         (Output_section::checkpoint_): New data member.
8560         (Output_segment): Update comments.
8561         (Output_segment::Output_segment): Un-privatize copy constructor.
8562         (Output_segment::operator=): Un-privatize.
8563         * script-sections.cc (Output_section_element::Input_section_list):
8564         Change element type to Output_section::Simple_input_section.
8565         (Output_section_element_dot_assignment::set_section_addresses):
8566         Register output section data for relaxation clean up.
8567         (Output_data_exression::Output_data_expression): Adjust call to base
8568         constructor to fix data size.
8569         (Output_section_element_data::set_section_addresses): Register
8570         Output_data_expression object for relaxation clean up.
8571         (struct Input_section_info): Replace Relobj pointer and section index
8572         pair with Output_section::Simple_input_section and Convert struct to a
8573         class.
8574         (Input_section_sorter::operator()): Adjust access to
8575         Input_section_info data member to use accessors.
8576         (Output_section_element_input::set_section_addresses): Use layout
8577         parameter.  Adjust code to use Output_section::Simple_input_section
8578         and Input_secction_info classes.  Register filler for relaxation
8579         clean up.
8580         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8581         and section index pair with Output_section::Simple_input_section
8582         class.  Adjust code accordingly.
8583         (Phdrs_element::release_segment): New method definition.
8584         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8585         segment list.
8586         (Script_sections::release_segments): New method definition.
8587         * gold/script-sections.h (Script_sections::release_segments): New
8588         method declaration.
8589         * gold/target.h (Target::may_relax, Target::relax,
8590         Target::do_may_relax, Target::do_relax): New method definitions.
8591
8592 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8593
8594         * arm.cc (has_signed_unsigned_overflow): New function.
8595         (Arm_relocate_functions::abs8): New function.
8596         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8597         (Target_arm::Scan::global): Likewise.
8598         (Target_arm::relocate::relocate): Likewise.
8599         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8600         Likewise.
8601
8602 2009-09-16  Cary Coutant  <ccoutant@google.com>
8603
8604         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8605         * testsuite/Makefile.in: Regenerate.
8606
8607 2009-09-11  Nick Clifton  <nickc@redhat.com>
8608
8609         * po/gold.pot: Updated by the Translation project.
8610
8611 2009-09-08  Cary Coutant  <ccoutant@google.com>
8612
8613         * output.cc (Output_file::open): Add execute permission to empty file.
8614         * testsuite/Makefile.am (permission_test): New test.
8615         * testsuite/Makefile.in: Regenerate.
8616
8617 2009-09-02  Ian Lance Taylor  <iant@google.com>
8618
8619         * output.cc (Output_file::resize): Call map_no_anonymous rather
8620         than map.
8621
8622 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8623
8624         * gold.cc: Include "incremental.h".
8625         (queue_initial_tasks): Call Incremental_checker methods.
8626         * incremental.cc: Include "output.h".
8627         (Incremental_checker::can_incrementally_link_output_file): New
8628         method.
8629         * incremental.h (Incremental_checker): New class.
8630
8631         * output.cc (Output_file::open_for_modification): New method.
8632         (Output_file::map_anonymous): Changed return type to bool.  Record
8633         map in base_ field.
8634         (Output_file::map_no_anonymous): New method, broken out of map.
8635         (Output_file::map): Use map_no_anonymous and map_anonymous.
8636         * output.h (class Output_file): Update declarations.
8637
8638 2009-08-24  Cary Coutant  <ccoutant@google.com>
8639
8640         * options.h (Command_line::Pre_options): New class.
8641         (Command_line::pre_options): New member.
8642         * options.cc (gold::options::ready_to_register): New variable.
8643         (One_option::register_option): Do nothing if not registering options.
8644         Assert if same short option registered twice.
8645         (General_options::General_options): Turn off option registration when
8646         done constructing.
8647         (Command_line::Pre_options::Pre_options): New constructor.
8648
8649 2009-08-24  Cary Coutant  <ccoutant@google.com>
8650
8651         * options.h (General_options::no_keep_memory): Remove incorrect
8652         short option.
8653
8654 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8655
8656         * Makefile.am (am__skiplex, am__skipyacc): New.
8657         * Makefile.in: Regenerate.
8658
8659 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8660
8661         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8662         (INCLUDES): ... this.
8663         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8664         (AM_CPPFLAGS): Renamed from ...
8665         (INCLUDE): ... this.
8666         * Makefile.in, testsuite/Makefile.in: Regenerate.
8667
8668         * Makefile.in: Regenerate.
8669         * aclocal.m4: Likewise.
8670         * config.in: Likewise.
8671         * configure: Likewise.
8672         * testsuite/Makefile.in: Likewise.
8673
8674         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8675         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8676         * Makefile.in: Regenerate.
8677         * testsuite/Makefile.in: Regenerate.
8678
8679 2009-08-19  Cary Coutant  <ccoutant@google.com>
8680
8681         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8682         symbols in shared libraries overridden by hidden or internal symbols
8683         in the main program.
8684
8685 2009-08-19  Chris Demetriou  <cgd@google.com>
8686
8687         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8688         checking source file names in error messages.
8689
8690 2009-08-18  Doug Kwan  <dougkwan@google.com>
8691
8692         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8693         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8694         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8695         an elfcpp::Ehdr as parameter.
8696         * object.cc (Object::set_target): Remove the version that looks up
8697         a target and sets it.
8698         (Sized_relobj::setup): Take a Target object instead of
8699         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8700         (make_elf_sized_object): Find target and ask target to
8701         make an ELF object.
8702         * object.h: (Object::set_target): Remove the version that looks up
8703         a target and sets it.
8704         (Sized_relobj::setup): Take a Target object instead of
8705         an elfcpp:Ehdr as parameter.
8706         * target.cc: Include dynobj.h.
8707         (Target::do_make_elf_object_implementation): New.
8708         (Target::do_make_elf_object): New.
8709         * target.h (Target::make_elf_object): New template declaration.
8710         (Target::do_make_elf_object): New method declarations.
8711         (Target::do_make_elf_object_implementation): New template declaration.
8712
8713 2009-08-14  Ian Lance Taylor  <iant@google.com>
8714
8715         * gold.h (FUNCTION_NAME): Define.
8716         (gold_unreachable): Use FUNCTION_NAME.
8717
8718 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8719
8720         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8721         symbol in the --keep-unique list is not found.
8722
8723 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8724
8725         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8726         been maked as --keep-unique.
8727         (Icf::unfold_section): New function.
8728         * icf.h (Icf::unfold_section): New function.
8729         * options.h (General_options::keep_unique): New option.
8730         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8731         * testsuite/Makefile.in: Regenerate.
8732         * testsuite/icf_keep_unique_test.sh: New file.
8733         * testsuite/icf_keep_unique_test.cc: New file.
8734
8735 2009-08-12  Cary Coutant  <ccoutant@google.com>
8736
8737         PR 10471
8738         * resolve.cc (Symbol_table::resolve): Check for references from
8739         dynamic objects to hidden and internal symbols.
8740         * testsuite/Makefile.am (hidden_test.sh): New test.
8741         * testsuite/Makefile.in: Regenerate.
8742         * testsuite/hidden_test.sh: New script.
8743         * testsuite/hidden_test_1.c: New test source.
8744         * testsuite/hidden_test_main.c: New test source.
8745
8746 2009-08-11  Doug Kwan  <dougkwan@google.com>
8747
8748         * arm.cc: Update comments.
8749         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8750         segment to locate the .ARM.exidx section if present.
8751
8752 2009-08-09  Doug Kwan  <dougkwan@google.com>
8753
8754         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8755         patch.
8756
8757 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8758         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8759         compiler warnings.
8760
8761 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8762
8763         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8764         valid tls_segment only for non-debug-section relocations.
8765         * testsuite/Makefile.am: Add gc_tls_test.
8766         * testsuite/Makefile.in: Regenerate.
8767         * testsuite/gc_tls_test.cc: New file.
8768         * testsuite/gc_tls_test.sh: New file.
8769
8770 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8771
8772         * icf.cc: New file.
8773         * icf.h: New file.
8774         * Makefile.am (CCFILES): Add icf.cc.
8775         (HFILES): Add icf.h
8776         * Makefile.in: Regenerate.
8777         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8778         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8779         section, symbol and addend information for the relocs.
8780         * gold.cc (queue_middle_tasks): Call identical code folding.
8781         * gold.h: Add defines for multimap.
8782         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8783         to the call of finalize_local_symbols.
8784         * main.cc (main): Create object of class Icf.
8785         * object.cc (Sized_relobj::do_layout): Allow this function to be
8786         called twice during icf.
8787         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8788         to sections marked as identical by icf.
8789         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8790         when available.
8791         (Sized_relobj::do_section_entsize): New function.
8792         * object.h (Object::section_entsize): New function.
8793         (Object::do_section_entsize): New pure virtual function.
8794         (Relobj::finalize_local_symbols): Add new parameter.
8795         (Relobj::do_section_entsize): New function.
8796         * options.h (General_options::icf): New option.
8797         (General_options::icf_iterations): New option.
8798         (General_options::print_icf_sections): New option.
8799         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8800         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8801         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8802         icf.
8803         * symtab.cc (Symbol_table::is_section_folded): New function.
8804         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8805         to sections marked as identical by icf.
8806         * symtab.h (Symbol_table::set_icf): New function.
8807         (Symbol_table::icf): New function.
8808         (Symbol_table::is_section_folded): New function.
8809         (Symbol_table::icf_): New data member.
8810         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8811         * testsuite/Makefile.am: Add commands to build icf_test.
8812         * testsuite/Makefile.in: Regenerate.
8813         * testsuite/icf_test.sh: New file.
8814         * testsuite/icf_test.cc: New file.
8815
8816 2009-07-24  Chris Demetriou  <cgd@google.com>
8817
8818         * layout.cc (is_compressible_debug_section): Fix incorrect
8819         comment about compressed section names.
8820
8821 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8822
8823         PR 10419
8824         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8825
8826 2009-07-16  Ian Lance Taylor  <iant@google.com>
8827
8828         PR 10400
8829         * layout.h: #include <map>.
8830         (class Kept_section): Change from struct to class.  Add accessors
8831         and setters.  Add section size to Comdat_group mapping.  Change
8832         Comdat_group to std::map.  Add is_comdat_ field.  Add
8833         linkonce_size field in union.
8834         (class Layout): Update declaration of find_or_add_kept_section.
8835         Don't declare find_kept_object.
8836         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8837         parameter.  Add object, shndx, is_comdat, and is_group_name
8838         parameters.  Change all callers.  Adjust for new Kept_section.
8839         (Layout::find_kept_object): Remove.
8840         * object.cc (Sized_relobj::include_section_group): Update use of
8841         Kept_section.  Rename secnum to shndx.  Only record
8842         Kept_comdat_section if sections are the same size.
8843         (Sized_relobj::include_linkonce_section): Update use of
8844         Kept_section.  Only record Kept_comdat_section if sections are the
8845         same size.  Set size of linkonce section.
8846         (Sized_relobj::map_to_kept_section): Update call to
8847         get_kept_comdat_section.
8848         * object.h (class Sized_relobj): Rename fields in
8849         Kept_comdat_section to drop trailing underscores; change object
8850         field to Relobj*.  Change Kept_comdat_section_table to store
8851         struct rather than pointer.
8852         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8853         Add kept_object and kept_shndx parameters.  Change all callers.
8854         (Sized_relobj::get_kept_comdat_section): Change return type to
8855         bool.  Add kept_object and kept_shndx parameters.  Change all
8856         callers.
8857         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8858         Layout::find_or_add_kept_section.
8859
8860 2009-07-09  Ian Lance Taylor  <iant@google.com>
8861
8862         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8863         Reserve space in the hash table.
8864
8865 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8866
8867         * fileread.cc (File_read::get_mtime): New method.
8868         * fileread.h (Timespec): New structure.
8869         (File_read::get_mtime): New method.
8870         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8871         Renamed from timestamp_nsec.
8872         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8873         Elf_Xword.
8874         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8875         timestamp_nsec.
8876         (Incremental_inputs::report_archive): Save mtime; style fix.
8877         (Incremental_inputs::report_obejct): Save mtime; style fix.
8878         (Incremental_inputs::report_script): Save mtime; style fix.
8879         (Incremental_inputs::finalize_inputs): Style fix.
8880         (Incremental_inputs::finalize): Style fix.
8881         (Incremental_inputs::create_input_section_data): Store inputs
8882         mtime.
8883         * incremental.h (Incremental_inputs::report_script): Add mtime
8884         argument.
8885         (Incremental_inputs::Input_info::Input_info): Intialize only one
8886         union member.
8887         (Incremental_inputs::Input_info::archive): Move to nameless
8888         union.
8889         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8890         (Incremental_inputs::Input_info::script): Move to nameless union.
8891         (Incremental_inputs::mtime): New field.
8892         * script.cc (read_input_script): Pass file mtime to
8893         Incremental_input.
8894         * script.h (Script_info::inputs): Style fix.
8895
8896 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8897
8898         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8899         instead of 32.
8900
8901 2009-06-24  Ian Lance Taylor  <iant@google.com>
8902
8903         PR 10156
8904         * layout.cc (Layout::choose_output_section): If we find an
8905         existing section, update the flags.
8906         (Layout::create_notes): New function, broken out of
8907         Layout::finalize.
8908         (Layout::finalize): Don't create note sections.
8909         (Layout::create_note): Don't crash if linker script discards
8910         section.
8911         (Layout::create_gold_note): Likewise.
8912         (Layout::create_build_id): Likewise.  Don't set
8913         after_input_sections on the section.
8914         (Layout::create_executable_stack_info): Remove target parameter.
8915         Change caller.
8916         * layout.h (class Layout): Declare create_notes.  Update
8917         declaration of create_executable_stack_info.
8918         * gold.cc (queue_middle_tasks): Call create_notes.
8919         * output.cc (Output_section::update_flags_for_input_section): Move
8920         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8921         invalid.
8922         * output.h (Output_data::mark_address_invalid): New function.
8923         (class Output_section): Only declare, not define,
8924         update_flags_for_input_section.  Remove set_flags.
8925
8926 2009-06-24  Ian Lance Taylor  <iant@google.com>
8927
8928         * script-sections.cc (Output_section_definition::
8929         set_section_addresses): Rename shadowing local load_address to
8930         laddr.
8931
8932 2009-06-24  Ian Lance Taylor  <iant@google.com>
8933
8934         PR 10244
8935         * reloc.cc (relocate_sections): Skip empty relocation sections.
8936
8937 2009-06-23  Ian Lance Taylor  <iant@google.com>
8938
8939         PR 10156
8940         * layout.cc (Layout::create_note): Use choose_output_section
8941         rather than make_output_section.
8942
8943 2009-06-23  Ian Lance Taylor  <iant@google.com>
8944
8945         PR 10237
8946         * options.cc (General_options::parse_V): Set printed_version_.
8947         (General_options::General_options): Initialize printed_version_.
8948         * options.h (class General_options): Add printed_version_ field.
8949         * gold.cc (queue_initial_tasks): If there are no input files,
8950         don't give a fatal error if we printed the version information.
8951         (queue_middle_tasks): If using -r with a shared object, give a
8952         fatal error rather than an ordinary error.
8953
8954 2009-06-23  Ian Lance Taylor  <iant@google.com>
8955
8956         PR 10219
8957         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8958         (Layout::make_output_section): Set have_stabstr_section_ if we see
8959         a .stab*str section.
8960         (Layout::finalize): Call link_stabs_sections.
8961         (Layout::link_stabs_sections): New file.
8962         * layout.h (class Layout): Add have_stabstr_section_ field.
8963         Declare link_stabs_sections.
8964
8965 2009-06-23  Doug Kwan  <dougkwan@google.com>
8966
8967         * Makefile.am (libgold_a_LIBADD): New.
8968         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8969         * Makefile.in: Regenerate.
8970         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8971         * configure: Regenerate.
8972         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8973         * fileread.cc: Include sys/state.h
8974         * gold.h: Declare memmem and strndup if found missing.
8975         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8976
8977 2009-06-23  Ian Lance Taylor  <iant@google.com>
8978
8979         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8980         * configure: Rebuild.
8981
8982 2009-06-23  Ian Lance Taylor  <iant@google.com>
8983
8984         PR 10147
8985         * object.cc (Object::section_contents): Don't try to get a view if
8986         the section has length zero.
8987         (Object::handle_gnu_warning_section): If the section is empty, use
8988         the name of the section as the warning.
8989
8990 2009-06-23  Ian Lance Taylor  <iant@google.com>
8991
8992         PR 10133
8993         * stringpool.h (class Stringpool_template): Add optimize_ field.
8994         (Stringpool_template::set_optimize): New function.
8995         * stringpool.cc (Stringpool_template::Stringpool_template):
8996         Initialize optimize_ field.
8997         (Stringpool_template::set_string_offsets): Test local optimize
8998         fild rather than parameter.
8999         * layout.cc (Layout::Layout): Call set_optimize on the section
9000         name stringpool.
9001
9002 2009-06-22  Ian Lance Taylor  <iant@google.com>
9003
9004         PR 10030
9005         * yyscript.y: Parse TARGET.
9006         * script.cc (script_set_target): New function.
9007         * script-c.h (script_set_target): Declare.
9008         * options.cc (General_options::string_to_object_format): Rename
9009         from string_to_object_format in anonymous namespace.  Change
9010         callers.
9011         * options.h (class General_options): Declare
9012         string_to_object_format.
9013
9014 2009-06-22  Ian Lance Taylor  <iant@google.com>
9015
9016         * script-sections.cc (Script_sections::create_segments): Don't put
9017         program headers in a PT_LOAD segment if -n or -N.
9018
9019 2009-06-22  Ian Lance Taylor  <iant@google.com>
9020
9021         PR 10141
9022         * options.h (class General_options): Add -z lazy and -z now.  Sort
9023         -z options into alphabetical order.
9024         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9025
9026 2009-06-21  Ian Lance Taylor  <iant@google.com>
9027
9028         * layout.cc (Layout::make_output_section): Call
9029         Target::new_output_section.
9030         (Layout::attach_allocated_section_to_segment): Put large section
9031         sections in a separate load segment with the large segment flag
9032         set.
9033         (Layout::segment_precedes): Sort large data segments after other
9034         load segments.
9035         (align_file_offset): New static function.
9036         (Layout::set_segment_offsets): Use align_file_offset.
9037         * output.h (class Output_section): Add is_small_section_ and
9038         is_large_section_ fields.
9039         (Output_section::is_small_section): New function.
9040         (Output_section::set_is_small_section):  New function.
9041         (Output_section::is_large_section): New function.
9042         (Output_section::set_is_large_section): New function.
9043         (Output_section::is_large_data_section): New function.
9044         (class Output_segment): Add is_large_data_segment_ field.
9045         (Output_segment::is_large_data_segment): New function.
9046         (Output_segment::set_is_large_data_segment): New function.
9047         * output.cc (Output_section::Output_section): Initialize new
9048         fields.
9049         (Output_segment::Output_segment): Likewise.
9050         (Output_segment::add_output_section): Add assertion that large
9051         data sections always go in large data segments.  Force small data
9052         sections to the end of the list of data sections.  Force small BSS
9053         sections to the start of the list of BSS sections.  For large BSS
9054         sections to the end of the list of BSS sections.
9055         * symtab.h (class Symbol): Declare is_common_shndx.
9056         (Symbol::is_defined): Check Symbol::is_common_shndx.
9057         (Symbol::is_common): Likewise.
9058         (class Symbol_table): Define enum Commons_section_type.  Update
9059         declarations.  Add small_commons_ and large_commons_ fields.
9060         * symtab.cc (Symbol::is_common_shndx): New function.
9061         (Symbol_table::Symbol_table): Initialize new fields.
9062         (Symbol_table::add_from_object): Put small and large common
9063         symbols in the right list.
9064         (Symbol_table::sized_finalized_symbol): Check
9065         Symbol::is_common_shndx.
9066         (Symbol_table::sized_write_globals): Likewise.
9067         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9068         common symbol lists.  Don't call do_allocate_commons_list if the
9069         list is empty.
9070         (Symbol_table::do_allocate_commons_list): Remove is_tls
9071         parameter.  Add comons_section_type parameter.  Change all
9072         callers.  Handle small and large common symbols.
9073         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9074         Symbol::is_common_shndx.
9075         * resolve.cc (symbol_to_bits): Likewise.
9076         * target.h (Target::small_common_shndx): New function.
9077         (Target::small_common_section_flags): New function.
9078         (Target::large_common_shndx): New function.
9079         (Target::large_common_section_flags): New function.
9080         (Target::new_output_section): New function.
9081         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9082         small_common_section_flags, and large_common_section_flags
9083         fields.
9084         (Target::do_new_output_section): New virtual function.
9085         * arm.cc (Target_arm::arm_info): Initialize new fields.
9086         * i386.cc (Target_i386::i386_info): Likewise.
9087         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9088         Likewise.
9089         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9090         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9091         (Target_x86_64::do_new_output_section): New function.
9092         * configure.ac: Define conditional MCMODEL_MEDIUM.
9093         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9094         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9095         (large_LDFLAGS): Define.
9096         * testsuite/large.c: New file.
9097         * testsuite/testfile.cc (Target_test::test_target_info):
9098         Initialize new fields.
9099         * configure, testsuite/Makefile.in: Rebuild.
9100
9101 2009-06-05  Doug Kwan  <dougkwan@google.com>
9102
9103         * Makefile.am (CCFILES): Add target.cc.
9104         * Makefile.in: Regenerate.
9105         * i386.cc (class Target_i386): Define new virtual method to
9106         override do_is_local_label_name in parent.
9107         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9108         local symbols if --discard-locals or -X is given.
9109         * options.h (class General_options): Declare new options
9110         '--discard-locals' and '-X' for discarding locals.
9111         * target.h (class Target): Define new methods is_local_label_name.
9112         Declare new virtual method do_is_local_label_name.
9113         * target.cc: New file.
9114         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9115         (check_SCRIPTS): Add discard_locals_test.sh.
9116         (check_DATA): Add discard_local_tests.syms.
9117         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9118         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9119         * testsuite/Makefile.in: Regenerate.
9120         * testsuite/discard_locals_test.c: New file.
9121         * testsuite/discard_locals_test.sh: Same.
9122
9123 2009-06-05  Doug Kwan  <dougkwan@google.com>
9124
9125         * object.cc (Sized_relobj::Sized_relobj): Initialize
9126         discarded_eh_frame_shndx_ to -1U.
9127         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9128         section.
9129         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9130         a discarded .eh_frame section.
9131         (Sized_relobj::do_finalize_local_symbols): Ditto.
9132         * object.h (class Sized_relobj): Declare new member
9133         discarded_eh_frame_shndx_.
9134         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9135         (local_labels_test.o, local_labels_test): New rules.
9136         * testsuite/Makefile.in: Regenerate.
9137
9138 2009-06-04  Doug Kwan  <dougkwan@google.com>
9139
9140         * layout.cc (Layout::section_name_mapping): Add mapping for
9141         special ARM sections.
9142
9143 2009-06-03  Doug Kwan  <dougkwan@google.com>
9144
9145         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9146         (utils::has_overflow): Same.
9147
9148 2009-06-03  Ian Lance Taylor  <iant@google.com>
9149
9150         * layout.cc (Layout::section_name_mapping): New array, replacing
9151         Layout::linkonce_mapping.
9152         (Layout::section_name_mapping_count): New variable, replacing
9153         Layout::linkonce_mapping_count.
9154         (Layout::linkonce_output_name): Remove.
9155         (Layout::output_section_name): Rewrite.
9156         * layout.h (class Layout): Rename Linkonce_mapping to
9157         Section_name_mapping, linkonce_mapping to section_name_mapping,
9158         linkonce_mapping_count to section_name_mapping_count.  Don't
9159         declare linkonce_output_name.
9160
9161 2009-06-03  Doug Kwan  <dougkwan@google.com>
9162
9163         * gold/arm.cc (namespace utils): New.
9164         (Target_arm::reloc_is_non_pic): Define new method.
9165         (class Arm_relocate_functions): New.
9166         (Target_arm::Relocate::relocate): Handle relocation types used by
9167         Android.
9168
9169 2009-06-03  Ian Lance Taylor  <iant@google.com>
9170
9171         * arm.cc (Target_arm::scan::global): Use || instead of |.
9172
9173 2009-06-02  Doug Kwan  <dougkwan@google.com>
9174
9175         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9176         issued_non_pic_error_.
9177         (class Target_arm::Scan): Declare new method check_non_pic.
9178         Define new method symbol_needs_plt_entry.
9179         Declare new data member issued_non_pic_error_.
9180         (class Target_arm::Relocate): Declare new method
9181         should_apply_static_reloc.
9182         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9183         (Target_arm::Scan::check_non_pic): Define new method.
9184         (Target_arm::Scan::local): Handle a small subset of reloc types used
9185         by Android.
9186         (Target_arm::Scan::local): Same.
9187         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9188
9189 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9190
9191         * incremental.cc (Incremental_inputs::report_command_line): Filter
9192         out --incremental-* options.
9193
9194 2009-05-29  Doug Kwan  <dougkwan@google.com>
9195
9196         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9197         template class.
9198         (class Target_arm): Update comment.
9199         (Target_arm::Target_arm): Initialize new data members GOT_,
9200         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9201         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9202         and Target_arm::rel_dyn_section.
9203         Declare new_enum Target_arm::Got_type.
9204         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9205         and DYNBSS_.
9206         Update commments for member do_dynsym_value.
9207         (Target_arm::got_size, Target_arm::plt_section,
9208         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9209         new methods inside class defintion.
9210         (Target_arm::got_section): Define new method.
9211         (Target_arm::rel_dyn_section): Same.
9212         (Output_data_plt_arm): New template class.
9213         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9214         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9215         (Output_data_plt_arm::add_entry): Same.
9216         (Output_data_plt_arm::first_plt_entry): Define new
9217         static data member for PLT instruction template.
9218         (Output_data_plt_arm::plt_entry): Same.
9219         (Output_data_plt_arm::do_write): Define new method.
9220         (Target_arm::make_plt_entry): Same.
9221         (Target_arm::do_finalize_sections): Same.
9222         (Target_arm::do_dynsym_value): Same.
9223
9224 2009-05-28  Doug Kwan  <dougkwan@google.com>
9225
9226         * Makefile.am (TARGETSOURCES): Add arm.cc.
9227         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9228         * Makefile.in: Regenerate.
9229         * arm.cc: New file.
9230         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9231
9232 2009-05-26  Doug Kwan  <dougkwan@google.com>
9233
9234         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9235         (General_options::check_excluded_libs): Strip off directories in
9236         archive name before matching like GNU ld does.
9237         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9238         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9239         (exclude_libs_test_LDFLAGS): Add linker option
9240         -Wl,--exclude-libs,libexclude_libs_test_3
9241         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9242         an explicit archive without using -l.
9243         (alt/libexclude_libs_test_3.a): New make rule.
9244         * testsuite/Makefile.in: Regenerate.
9245         * testsuite/exclude_libs_test.c : Declare lib3_default().
9246         (main): Call it.
9247         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9248         * exclude_libs_test_3.c: New file.
9249
9250 2009-05-26  Nick Clifton  <nickc@redhat.com>
9251
9252         * po/id.po: New Indonesian translation.
9253         * po/gold.pot: Updated template file.
9254
9255 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9256
9257         * testsuite/Makefile.am: Add -ffunction-sections to compile
9258         gc_comdat_test files.  Add -Wl,--gc-sections to build
9259         gc_comdat_test.
9260         * testsuite/Makefile.in: Regenerate.
9261         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9262
9263 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9264
9265         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9266         kept comdat section was garbage collected.
9267         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9268         * testsuite/Makefile.in: Regenerate.
9269         * testsuite/gc_comdat_test.sh: New file.
9270         * testsuite/gc_comdat_test_1.cc: New file.
9271         * testsuite/gc_comdat_test_2.cc: New file.
9272
9273 2009-05-19  Doug Kwan  <dougkwan@google.com>
9274
9275         * archive.cc (Archive::Archive): Move constructor from archive.h
9276         to here.  Initialize no_export_.
9277         (Archive::get_elf_object_for_member): Set no_export flag of object.
9278         * archive.h (Archive::Archive): Move constructor body to
9279         archive.cc.
9280         (Archive::no_export): New method.
9281         (Archive::no_export_): New field.
9282         * object.h (Object::Object): Initialize no_export_ to false.
9283         (Object::no_export, Object::set_no_export): New methods.
9284         (Object::no_export_): New field.
9285         * options.cc (General_options::parse_exclude_libs): New method.
9286         (General_options::check_excluded_libs) Same.
9287         * options.h (exclude_libs): New option.
9288         (General_options::check_excluded_libs): New method declaration.
9289         (General_options::excluded_libs_): New field.
9290         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9291         default or protected visibility if an object has no-export flag set.
9292         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9293         (check_SCRIPTS): Add exclude_libs_test.sh.
9294         (check_DATA): Add exclude_libs_test.syms.
9295         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9296         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9297         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9298         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9299         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9300         libexclude_libs_test_2.a): New rules.
9301         * testsuite/Makefile.in: Regenerate.
9302         * testsuite/exclude_libs_test.c: New file.
9303         * testsuite/exclude_libs_test.sh: Ditto.
9304         * testsuite/exclude_libs_test_1.c: Ditto.
9305         * testsuite/exclude_libs_test_2.c: Ditto.
9306
9307 2009-05-15  Ian Lance Taylor  <iant@google.com>
9308
9309         * configure.ac: Check for declarations for cases where libiberty.h
9310         checks HAVE_DECL_xxx.
9311         * configure, config.in: Rebuild.
9312
9313 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9314
9315         * gold.h (Incremental_argument_list): Remove (invalid) forward
9316         declaration.
9317         * incremental.cc (Incremental_inputs::report_achive): New method.
9318         (Incremental_inputs::report_object): New method.
9319         (Incremental_inputs::report_script): New method.
9320         (Incremental_inputs::finalize_inputs): New method.
9321         (Incremental_inputs::finalize): Call finalize_inputs().
9322         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9323         Create inputs entries.
9324         * incremental.h (Incremental_input_type): New enum.
9325         (Incremental_inputs::Incremental_input): Initialize new fields.
9326         (Incremental_inputs::report_inputs): New method.
9327         (Incremental_inputs::report_achive): New method.
9328         (Incremental_inputs::report_object): New method.
9329         (Incremental_inputs::report_script): New method.
9330         (Incremental_inputs::finalize_inputs): New method.
9331         (Incremental_inputs::Input_info): New struct.
9332         (Incremental_inputs::Input_info_map): New typedef.
9333         (Incremental_inputs::lock_): New field.
9334         (Incremental_inputs::Inputs_): New field.
9335         (Incremental_inputs::Inputs_map): New field.
9336         * main.cc (main): Call Incremental_input::report_inputs.
9337         * options.h (Input_argument_list): Typedef moved from
9338         Input_arguments.
9339         (Input_file_group::Files): Remove, use ::Input_argument_list.
9340         (Input_file_group::Input_argument_list): Remove, use
9341         ::Input_argument_list.
9342         * plugin.cc (Plugin_manager::add_input_file): Add error in
9343         incremental build.
9344         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9345         functions.
9346         * script.cc (read_input_script): Call
9347         Incremental_input::report_script.
9348         * script.h (Script_info): New class.
9349
9350 2009-04-27  Ian Lance Taylor  <iant@google.com>
9351
9352         * x86_64.cc (do_adjust_output_section): Set entsize to
9353         plt_entry_size.
9354
9355 2009-04-23  Elliott Hughes  <enh@google.com>
9356
9357         * output.cc (Output_file::close): After short writes, continue
9358         writing from the correct offset in the buffer being written.
9359
9360 2009-04-23  Chris Demetriou  <cgd@google.com>
9361
9362         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9363         * configure: Regenerate.
9364         * config.in: Regenerate.
9365         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9366         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9367
9368 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9369
9370         * incremental.cc (Incremental_inputs_header_data): Renamed from
9371         Incremental_input_header_data.
9372         (Incremental_inputs_header_data::data_size): New field.
9373         (Incremental_inputs_header_data::put_input_file_count): Renamed
9374         from input_file_count.
9375         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9376         from command_line_offset.
9377         (Incremental_inputs_header_data::put_reserved): Renamed from
9378         put_reserved.
9379         (Incremental_inputs_entry_data): Renamed from
9380         Incremental_input_entry_data.
9381         (Incremental_inputs_entry_data::data_size): New field.
9382         (Incremental_inputs::report_command_line): New method.
9383         (Incremental_inputs::finalize): New method.
9384         (Incremental_inputs::create_incremental_inputs_data): New method.
9385         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9386         * incremental.h: New file.
9387         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9388        (Layout::finalize): Create incremental inputs section in
9389         incremental builds.
9390        (Layout::create_incremental_info_sections): New method.
9391         * layout.h (Layout::incremental_inputs): New method.
9392        (Layout::create_incremental_info_sections): New method.
9393        (Layout::incremental_inputs_): New field.
9394         * main.cc (main): Notify Incremental_input of the command line.
9395
9396 2009-04-01  Ian Lance Taylor  <iant@google.com>
9397             Mikolaj Zalewski  <mikolajz@google.com>
9398
9399         * gold.h (reserve_unordered_map): Define, three versions, one for
9400         each version of Unordered_map.
9401         * layout.cc (Layout::Layout): Remove options parameter.  Add
9402         number_of_input_files parameter.  Don't initialize options_.
9403         Initialize number_of_input_files_ and resized_signatures_.  Move
9404         sections_are_attached_.
9405         (Layout::layout_group): Reserve space for group_signatures_.
9406         (Layout::find_or_add_kept_section): Change name parameter to be a
9407         reference.  Resize signatures_ map when it gets large enough.
9408         (Layout::layout_eh_frame): Use parameters->options() instead of
9409         this->options_.
9410         (Layout::make_output_section): Likewise.
9411         (Layout::attach_allocated_section_to_segment): Likewise.
9412         (Layout::finalize, Layout::create_executable_stack): Likewise.
9413         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9414         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9415         * layout.h (class Layout): Update declarations.  Remove options_
9416         field.  Add number_of_input_files_ and resized_signatures_
9417         fields.  Move sections_are_attached_ field.
9418         * main.cc (main): Pass number of input files to Layout
9419         constructor.  Don't pass options.
9420
9421 2009-03-30  Ian Lance Taylor  <iant@google.com>
9422
9423         * ffsll.c (ffsll): Correct implementation.
9424
9425 2009-03-27  Ian Lance Taylor  <iant@google.com>
9426
9427         * ffsll.c: New file.
9428         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9429         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9430         * ftruncate.c (ftruncate): Declare before definition.
9431         * mremap.c (mremap): Likewise.
9432         * pread.c (pread): Likewise.
9433         * configure, Makefile.in, config.in: Rebuild.
9434
9435         * mremap.c: New file.
9436         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9437         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9438         (mremap): Declare if HAVE_MREMAP is not defined.
9439         * configure, Makefile.in, config.in: Rebuild.
9440
9441 2009-03-27  Cary Coutant  <ccoutant@google.com>
9442
9443         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9444         position independent.
9445         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9446         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9447
9448 2009-03-24  Cary Coutant  <ccoutant@google.com>
9449
9450         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9451         an executable.
9452         (needs_dynamic_reloc): Likewise.
9453
9454 2009-03-24  Ian Lance Taylor  <iant@google.com>
9455
9456         * yyscript.y (file_cmd): Recognize EXTERN.
9457         (extern_name_list, extern_name_list_body): New nonterminals.
9458         * script.cc (script_add_extern): Define.
9459         * script-c.h (script_add_extern): Declare.
9460
9461 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9462
9463         * object.cc (is_elf_object): Define.
9464         * object.h (is_elf_object): Declare.
9465         * archive.cc (Archive::get_elf_object_for_member): Call
9466         is_elf_object.
9467         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9468
9469 2009-03-24  Elliott Hughes  <enh@google.com>
9470
9471         * output.cc (Output_file::map_anonymous): Define.
9472         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9473         try an anonymous one.  Report the size if the mmap fails.
9474         * output.h (class Output_file): Declare map_anonymous.
9475
9476 2009-03-24  Ian Lance Taylor  <iant@google.com>
9477
9478         * target-select.cc (instantiate_target): Don't acquire the lock if
9479         the instantiated_target_ field has already been set.
9480
9481 2009-03-23  Ian Lance Taylor  <iant@google.com>
9482
9483         * gold-threads.h (class Initialize_lock): Define.
9484         * gold-threads.cc (class Initialize_lock_once): Define.
9485         (initialize_lock_control): New static variable.
9486         (initialize_lock_pointer): New static variable.
9487         (initialize_lock_once): New static function.
9488         (Initialize_lock::Initialize_lock): Define.
9489         (Initialize_lock::initialize): Define.
9490         * target-select.h: Include "gold-threads.h".
9491         (class Target_selector): Add lock_ and initialize_lock_ fields.
9492         Don't define instantiate_target, just declare it.
9493         * target-select.cc (Target_selector::Target_selector): Initialize
9494         new fields.
9495         (Target_selector::instantiate_target): Define.
9496         * descriptors.h: Include "gold-threads.h".
9497         (class Descriptors): Add initialize_lock_ field.
9498         * descriptors.cc (Descriptors::Descriptors): Initialize new
9499         field.
9500         (Descriptors::open): Use initialize_lock_ field
9501         * errors.h (class Errors): Add initialize_lock_ field.
9502         * errors.cc (Errors::Errors): Initialize new field.
9503         (Errors::initialize_lock): Use initialize_lock_ field.
9504         * powerpc.cc (class Target_selector_powerpc): Remove
9505         instantiated_target_ field.  In do_recognize call
9506         instantiate_target rather than do_instantiate_target.  In
9507         do_instantiate_target just allocate a new target.
9508         * sparc.cc (class Target_selector_sparc): Likewise.
9509
9510         * freebsd.h: New file.
9511         * i386.cc: Include "freebsd.h".
9512         (Target_i386): Derive from Target_freebsd rather than
9513         Sized_target.
9514         (Target_selector_i386): Derive from Target_selector_freebsd rather
9515         than Target_selector.
9516         * x86_64.cc: Include "freebsd.h".
9517         (Target_x86_64): Derive from Target_freebsd rather than
9518         Sized_target.
9519         (Target_selector_x86_64): Derive from Target_selector_freebsd
9520         rather than Target_selector.
9521         * target.h (class Target): Add adjust_elf_header and
9522         do_adjust_elf_header.
9523         * output.cc (Output_file_header:: do_sized_write): Call target
9524         adjust_elf_header routine.
9525         * configure.tgt: Set targ_osabi.
9526         * configure.ac: Define GOLD_DEFAULT_OSABI.
9527         * parameters.cc (Parameters::default_target): Pass
9528         GOLD_DEFAULT_OSABI to select_target.
9529         * target-select.h (class Target_selector): Make instantiate_target
9530         protected rather than private.
9531         * Makefile.am (HFILES): Add freebsd.h.
9532         * configure, Makefile.in, config.in: Rebuild.
9533
9534         * merge.cc (do_add_input_section): Correct pend value.  Change
9535         message about last entry not being null terminated from error to
9536         warning.
9537
9538 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9539
9540         * incremental.cc: New file.
9541         * Makefile.am (CCFILES): Add incremental.cc.
9542         * Makefile.in: Rebuild.
9543
9544 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9545
9546         * layout.cc (Layout::output_section_name): Preserve names
9547         of '.note.' sections.
9548
9549 2009-03-19  Ian Lance Taylor  <iant@google.com>
9550
9551         * descriptors.cc (Descriptors::open): Check that the options are
9552         valid before using them.
9553
9554 2009-03-18  Ian Lance Taylor  <iant@google.com>
9555
9556         * script-sections.h: Include <list>.
9557         (class Script_sections): Change Sections_elements from std::vector
9558         to std::list.  Typedef public Elements_iterator.  Add
9559         orphan_section_placement_, data_segment_align_start_, and
9560         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9561         field.
9562         * script-sections.cc (class Orphan_section_placement): New class.
9563         (class Sections_element): Add virtual functions is_relro and
9564         orphan_section_init.  Remove virtual function place_orphan_here.
9565         (class Output_section_definition): Add is_relro and
9566         orphan_section_init.  Remove place_orphan_here.
9567         (class Orphan_output_section): Likewise.
9568         (Script_sections::Script_sections): Update for field changes.
9569         (Script_sections::data_segment_align): Set saw_data_segment_align_
9570         and data_segment_align_start_, not data_segment_align_index.
9571         (Script_sections::data_segment_relro_end): Check
9572         saw_data_segment_align_.  Use data_segment_align_start_ rather
9573         than data_segment_align_index_.
9574         (Script_sections::place_orphan): Rewrite to use
9575         Orphan_section_placement.
9576
9577 2009-03-17  Ian Lance Taylor  <iant@google.com>
9578
9579         * archive.cc (Archive::add_symbols): Check for a version attached
9580         to the symbol name in the archive map.
9581         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9582         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9583         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9584         (ver_test_11.a): New target.
9585         * testsuite/Makefile.in: Rebuild.
9586
9587         * configure.ac: Check for chsize and posix_fallocate.  Replace
9588         ftruncate.
9589         * ftruncate.c: New file, from gnulib.
9590         * output.cc (posix_fallocate): Define dummy version if not
9591         HAVE_POSIX_FALLOCATE.
9592         (Output_file::map): Call posix_fallocate rather than lseek and
9593         write.
9594         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9595         * configure, Makefile.in, config.in: Rebuild.
9596
9597 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9598
9599         * layout.h (Layout::create_note): Add section_name parameter.
9600         * layout.cc (Layout::create_note): Likewise.
9601         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9602
9603 2009-03-17  Ian Lance Taylor  <iant@google.com>
9604
9605         * descriptors.cc: Include "options.h".
9606         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9607         (Descriptors::open): Always use O_CLOEXEC when opening a new
9608         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9609         then set FD_CLOEXEC.
9610
9611         * sparc.cc (class Target_sparc): Add has_got_section.
9612         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9613         make sure we have a GOT section.
9614
9615         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9616         (Target_sparc::Scan::local): Likewise.
9617         (Target_sparc::Scan::global): Likewise.
9618         (Target_sparc::Relocate::relocate): Likewise.
9619         (Target_sparc::Relocate::relocate_tls): Likewise.
9620
9621         * symtab.cc (Symbol_table::define_default_version): New function,
9622         broken out of add_from_object.
9623         (Symbol_table::add_from_object): Call define_default_version.
9624         (Symbol_table::define_special_symbol): Add resolve_oldsym
9625         parameter.  Change all callers.  If the version for a symbol comes
9626         from a version script, resolve it with the symbol with the same
9627         name with no version.  Also add the symbol without a version if
9628         appropriate.
9629         (do_define_in_output_data): If resolving with oldsym, don't delete
9630         sym.
9631         (do_define_in_output_segment): Likewise.
9632         (do_define_as_constant): Likewise.
9633         * symtab.h (class Symbol_table): Update declarations.
9634
9635 2009-03-13  Ian Lance Taylor  <iant@google.com>
9636
9637         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9638         (Read_symbols::requeue): New function.
9639         (Read_symbols::do_read_symbols): If make_elf_object fails because
9640         the target type is not configured, and the file was searched for,
9641         issue a warning and retry with the next directory.
9642         (Add_symbols::run): If the file has an incompatible format, and
9643         it was searched for, requeue the Read_symbols task.  On error,
9644         release the object.
9645         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9646         dirindex parameter to constructor.  Change all callers.  Declare
9647         incompatible_warning and requeue.
9648         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9649         input_argument_ and input_group_ fields.  Add them to
9650         constructor.  Change all callers.
9651         (class Read_script): Add dirindex_ field.  Add it to constructor.
9652         Change all callers.
9653         * archive.cc (Archive::setup): Remove input_objects parameter.
9654         Change all callers.
9655         (Archive::get_file_and_offset): Likewise.
9656         (Archive::read_all_symbols): Likewise.
9657         (Archive::read_symbols): Likewise.
9658         (Archive::get_elf_object_for_member): Remove input_objects
9659         parameter.  Add punconfigured parameter.  Change all callers.
9660         (Archive::add_symbols): Change return type to bool.  Check return
9661         value of include_member.
9662         (Archive::include_all_members): Likewise.
9663         (Archive::include_member): Change return type to bool.  Return
9664         false if first included object has incompatible target.  Set
9665         included_member_ field.
9666         (Add_archive_symbols::run): If add_symbols returns false, requeue
9667         Read_symbols task.
9668         * archive.h (class Archive): Add included_member_ field.
9669         Initialize it in constructor.  Add input_file and searched_for
9670         methods.  Update declarations.
9671         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9672         input_argument_ fields.  Add them to constructor.  Change all
9673         callers.
9674         * script.cc: Include "target-select.h".
9675         (class Parser_closure): Add skip_on_incompatible_target_ and
9676         found_incompatible_target_ fields.  Add
9677         skip_on_incompatible_target parameter to constructor.  Change all
9678         callers.  Add methods skip_on_incompatible_target,
9679         clear_skip_on_incompatible_target, found_incompatible_target, and
9680         set_found_incompatible_target.
9681         (read_input_script): Add dirindex parameter.  Change all callers.
9682         If parser finds an incompatible target, requeue Read_symbols
9683         task.
9684         (script_set_symbol): Clear skip_on_incompatible_target in
9685         closure.
9686         (script_add_assertion, script_parse_option): Likewise.
9687         (script_start_sections, script_add_phdr): Likewise.
9688         (script_check_output_format): New function.
9689         * script.h (read_input_script): Update declaration.
9690         * script-c.h (script_check_output_format): Declare.
9691         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9692         (ignore_cmd): Remove OUTPUT_FORMAT.
9693         * fileread.cc (Input_file::Input_file): Add explicit this.
9694         (Input_file::will_search_for): New function.
9695         (Input_file::open): Add pindex parameter.  Change all callers.
9696         * fileread.h (class Input_file): Add input_file_argument method.
9697         Declare will_search_for.  Update declarations.
9698         * object.cc (make_elf_object): Add punconfigured parameter.
9699         Change all callers.
9700         * object.h (class Object): Make input_file public.  Add
9701         searched_for method.
9702         (make_elf_object): Update declaration.
9703         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9704         restart search.
9705         * dirsearch.h (class Dirsearch): Update declaration.
9706         * options.h (class General_options): Add --warn-search-mismatch.
9707         * parameters.cc (Parameters::is_compatible_target): New function.
9708         * parameters.h (class Parameters): Declare is_compatible_target.
9709         * workqueue.cc (Workqueue::add_blocker): New function.
9710         * workqueue.h (class Workqueue): Declare add_blocker.
9711
9712         * fileread.cc (Input_file::open): Remove options parameter.
9713         Change all callers.
9714         (Input_file::open_binary): Likewise.
9715         * script.cc (read_input_script): Likewise.
9716         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9717         options parameter from constructor.  Change all callers.
9718         (class Read_script): Likewise.
9719         * fileread.h (class Input_file): Update declarations.
9720         * script.h (read_input_script): Update declaration.
9721
9722 2009-03-10  Nick Clifton  <nickc@redhat.com>
9723
9724         * po/es.po: New Spanish translation.
9725
9726 2009-03-06  Cary Coutant  <ccoutant@google.com>
9727
9728         * options.cc (parse_short_option): Keep dash_z from registering itself.
9729
9730 2009-03-03  Ian Lance Taylor  <iant@google.com>
9731
9732         PR 9918
9733         * target-reloc.h (relocate_section): Pass output_section to
9734         relocate.
9735         * i386.cc (Target_i386::should_apply_static_reloc): Add
9736         output_section parameter.  Change all callers.
9737         (Target_i386::Relocate::relocate): Add output_section parameter.
9738         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9739         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9740         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9741         * testsuite/two_file_shared.sh: New script.
9742         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9743         (check_DATA): Add two_file_shared.dbg.
9744         (two_file_shared.dbg): New target.
9745         * testsuite/Makefile.in: Rebuild.
9746
9747 2009-03-01  Ian Lance Taylor  <iant@google.com>
9748
9749         * configure.ac: Check for byteswap.h.
9750         * configure: Rebuild.
9751         * config.in: Rebuild.
9752
9753 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9754
9755         * layout.cc (Layout::find_or_add_kept_section): New function.
9756         (Layout::add_comdat): Removed.
9757         * layout.h (struct Kept_section): Move out of class Layout.
9758         Remove trailing underscores from field names.  Add group_sections
9759         field.  Rename group_ field to is_group.  Change all uses.
9760         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9761         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9762         comdat_groups_ field.
9763         (Sized_relobj::include_section_group): Use
9764         find_or_add_kept_section and Kept_section::group_sections.
9765         (Sized_relobj::include_linkonce_section): Likewise.
9766         * object.cc (class Sized_relobj): Don't define Comdat_group or
9767         Comdat_group_table.  Remove find_comdat_group and
9768         add_comdat_group.  Remove comdat_groups_ field.
9769         * plugin.cc (include_comdat_group): Use
9770         Layout::find_or_add_kept_section.
9771
9772 2009-02-28  Ian Lance Taylor  <iant@google.com>
9773
9774         * README: --gc-sections and map files are now supported.  Document
9775         some build requirements.
9776
9777         PR 6992
9778         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9779         relocatable link set the value of the section symbol to zero.
9780         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9781         relocatable link don't include the section address in the local
9782         symbol value.
9783
9784 2009-02-27  Ian Lance Taylor  <iant@google.com>
9785
9786         PR 6811
9787         * options.h (class Search_directory): Add is_system_directory.
9788         (class General_options): Declare is_in_system_directory.
9789         * options.cc (get_relative_sysroot): Make static.
9790         (get_default_sysroot): Make static.
9791         (General_optoins::is_in_system_directory): New function.
9792         * fileread.cc (Input_file::is_in_system_directory): New function.
9793         * fileread.h (class Input_file): Declare is_in_system_directory.
9794         * object.h (class Object): Add is_in_system_directory.
9795         (class Input_objects): Remove system_library_directory_ field.
9796         * object.cc (Input_objects::add_object): Don't set
9797         system_library_directory_.
9798         (input_objects::found_in_system_library_directory): Remove.
9799         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9800         parameter.  Change all callers.
9801         (Symbol_table::sized_write_globals): Likewise.
9802         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9803         Call Object::is_in_system_directory.
9804         * symtab.h (class Symbol_table): Update declarations.
9805
9806         PR 5990
9807         * descriptors.h (Open_descriptor): Add is_on_stack field.
9808         * descriptors.cc (Descriptors::open): If the descriptor is on the
9809         top of the stack, remove it.  Initialize is_on_stack field.
9810         (Descriptors::release): Only add pod to stack if it is not on the
9811         stack already.
9812         (Descriptors::close_some_descriptor): Clear stack_next and
9813         is_on_stack fields.
9814
9815         PR 7091
9816         * output.cc (Output_section::find_starting_output_address): Rename
9817         from starting_output_address; add PADDR parameter; change return
9818         type.
9819         * output.h (class Output_section): Declare
9820         find_starting_output_address instead of starting_output_address.
9821         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9822         section symbol for which we can't find a merge section.
9823
9824         PR 9836
9825         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9826         hidden or internal, force the symbol to be local.
9827         * resolve.cc (Symbol::override_visibility): Define.
9828         (Symbol::override_base): Use override_visibility.
9829         (Symbol_table::resolve): Likewise.
9830         (Symbol::override_base_with_special): Likewise.
9831         (Symbol_table::override_with_special): If the visibility is hidden
9832         or internal, force the symbol to be local.
9833         * symtab.h (class Symbol): Add set_visibility and
9834         override_visibility.
9835         * testsuite/ver_test_1.sh: New file.
9836         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9837         (check_DATA): Add ver_test_1.syms.
9838         (ver_test_1.syms): New target.
9839         * testsuite/Makefile.in: Rebuild.
9840
9841 2009-02-25  Cary Coutant  <ccoutant@google.com>
9842
9843         * layout.cc (Layout::choose_output_section): Don't rename sections
9844         when using a linker script that has a SECTIONS clause.
9845         * Makefile.in: Regenerate.
9846
9847         * testsuite/Makefile.am (script_test_5.sh): New test case.
9848         * testsuite/Makefile.in: Regenerate.
9849         * testsuite/script_test_5.cc: New file.
9850         * testsuite/script_test_5.sh: New file.
9851         * testsuite/script_test_5.t: New file.
9852
9853 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9854
9855         * archive.cc (Archive::include_member): Update calls to add_symbols.
9856         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9857         the Layout argument.
9858         * dynobj.h (do_add_symbols): Add the Layout argument.
9859         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9860         Layout argument.
9861         * object.h (Object::add_symbols): Add the Layout argument.
9862         (Object::do_add_symbols): Add the Layout argument.
9863         (Sized_relobj::do_add_symbols): Add the Layout argument.
9864         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9865         Unify the two versions.
9866         (Add_plugin_symbols): Remove.
9867         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9868         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9869         (Add_plugin_symbols): Remove.
9870         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9871         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9872         (Add_symbols::run): Make it work with Pulginobj.
9873
9874 2009-02-06  Ian Lance Taylor  <iant@google.com>
9875
9876         * object.cc (Sized_relobj::do_layout): Make info message start
9877         with lower case letter.
9878
9879 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9880
9881         * binary.cc: Fix file comment.
9882
9883         * options.h (enum Incremental_disposition): Define.
9884         (class General_options): Add new options: --incremental,
9885         --incremental_changed, --incremental_unchanged,
9886         --incremental_unknown.  Add incremental_disposition_ and
9887         implicit_incremental_ fields.
9888         (General_options::incremental_disposition): New function.
9889         (class Position_dependent_options): Add incremental_disposition
9890         option.
9891         (Position_dependent_options::copy_from_options): Set incremental
9892         dispositions.
9893         * options.cc (General_options::parse_incremental_changed): New
9894         function.
9895         (General_options::parse_incremental_unchanged): New function.
9896         (General_options::parse_incremental_unknown): New function.
9897         (General_options::General_options): Initialize new fields
9898         incremental_disposition_ and implicit_incremental_.
9899         (General_options::finalize): Check for uasge of --incremental-*
9900         without --incremental.
9901
9902 2009-02-06  Chris Demetriou  <cgd@google.com>
9903
9904         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9905         pointer and to report location as the file name associated with
9906         the symbol.
9907         (gold_undefined_symbol_at_location): New function to replace the
9908         old gold_undefined_symbol functionality.
9909         * target-reloc.h (relocate_section): Update to use
9910         gold_undefined_symbol_at_location.
9911         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9912         Call gold_undefined_symbol function rather than gold_error.
9913         * errors.h (Errors::undefined_symbol): Take location as a
9914         string, rather than calculating it from a relocation.
9915         * errors.cc (Errors::fatal): Print "fatal error:" before the
9916         formatted message.
9917         (Errors::error, Errors::error_at_location): Print "error: "
9918         before the formatted message.
9919         (Errors::undefined_symbol): Take location as a string, rather
9920         than calculating it from a relocation.
9921         (gold_undefined_symbol_at_location): New function akin to
9922         old gold_undefined_symbol, calculates location from relocation.
9923         (gold_undefined_symbol): Change to take only a Symbol pointer
9924         and to report location as the file name associated with the symbol.
9925         * testsuite/debug_msg.sh: Update for changed error messages.
9926         * testsuite/undef_symbol.sh: Likewise.
9927
9928 2009-02-04  Duncan Sands  <baldrick@free.fr>
9929
9930         PR 9812
9931         * reduced_debug_output.h
9932         (Output_reduced_debug_abbrev_section::failed): Use format for
9933         gold_warning.
9934         (Output_reduced_debug_info_section::faild): Likewise.
9935
9936 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9937
9938         * script.cc (Lazy_demangler): New class.
9939         (Version_script_info::get_symbol_version_helper): Demangle a
9940         symbol only once.
9941
9942 2009-01-29  Cary Coutant  <ccoutant@google.com>
9943
9944         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9945         to __tls_get_addr.
9946         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9947
9948 2009-01-28  Ian Lance Taylor  <iant@google.com>
9949
9950         * version.cc (version_string): Bump to 1.9.
9951
9952         * gold.h: Include <cstring> and <stdint.h>.
9953         * version.cc: Include <cstdio>.
9954         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9955         warning.
9956         * reduced_debug_output.cc (insert_into_vector): Rename from
9957         Insert_into_vector; change all callers.  Use Swap_unaligned to
9958         avoid aliasing issue; remove union since it is unnecessary.
9959
9960 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9961
9962         * Makefile.am (CCFILES): Add gc.cc.
9963         (HFILES): Add gc.h.
9964         * Makefile.in: Regenerate.
9965         * gold.cc (Gc_runner): New class.
9966         (queue_initial_tasks): Call garbage collection related tasks
9967         when corresponding options are invoked.
9968         (queue_middle_gc_tasks): New function.
9969         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9970         processed early before laying out sections during garbage collection.
9971         * gold.h (queue_middle_gc_tasks): New function.
9972         (is_prefix_of): Move from "layout.cc".
9973         * i386.cc (Target_i386::gc_process_relocs): New function.
9974         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9975         * main.cc (main): Create object of class "Garbage_collection".
9976         * object.cc (Relobj::copy_symbols_data): New function.
9977         (Relobj::is_section_name_included): New function.
9978         (Sized_relobj::do_layout): Allow this function to be called twice
9979         during garbage collection and defer layout of section during the
9980         first call.
9981         * object.h (Relobj::get_symbols_data): New function.
9982         (Relobj::is_section_name_included): New function.
9983         (Relobj::copy_symbols_data): New function.
9984         (Relobj::set_symbols_data): New function.
9985         (Relobj::get_relocs_data): New function.
9986         (Relobj::set_relocs_data): New function.
9987         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9988         (Relobj::gc_process_relocs): New function.
9989         (Relobj::do_gc_process_relocs): New pure virtual function.
9990         (Relobj::sd_): New data member.
9991         (Sized_relobj::is_output_section_offset_invalid): New function.
9992         (Sized_relobj::do_gc_process_relocs): New function.
9993         * options.h (General_options::gc_sections): Modify to not be a no-op.
9994         (General_options::print_gc_sections): New option.
9995         * plugin.cc (Plugin_finish::run): Remove function call to
9996         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9997         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9998         * reloc.cc (Read_relocs::run): Add task to process relocs and
9999         determine unreferenced sections when doing garbage collection.
10000         (Gc_process_relocs): New class.
10001         (Sized_relobj::do_gc_process_relocs): New function.
10002         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10003         sections that are garbage collected.
10004         * reloc.h (Gc_process_relocs): New class.
10005         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10006         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10007         symbols whose corresponding sections are garbage collected.
10008         (Symbol_table::Symbol_table): Add new parameter for the garbage
10009         collection object.
10010         (Symbol_table::gc_mark_undef_symbols): New function.
10011         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10012         (Symbol_table::gc_mark_dyn_syms): New function.
10013         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10014         as garbage.
10015         (Symbol_table::add_from_object): Likewise.
10016         (Symbol_table::add_from_relobj): When building shared objects, do not
10017         treat externally visible symbols as garbage.
10018         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10019         table information for static and relocatable links.
10020         * symtab.h (Symbol_table::set_gc): New function.
10021         (Symbol_table::gc): New function.
10022         (Symbol_table::gc_mark_undef_symbols): New function.
10023         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10024         (Symbol_table::gc_mark_dyn_syms): New function.
10025         (Symbol_table::gc_): New data member.
10026         * target.h (Sized_target::gc_process_relocs): New pure virtual
10027         function.
10028         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10029         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10030
10031 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10032
10033         * options.h (General_options::gc_sections): Define as a no-op for now.
10034         (General_options::no_keep_memory): Ditto.
10035         (General_options::Bshareable): Define.
10036         * options.cc (General_options::finalize): Honor -Bshareable.
10037
10038 2009-01-20  Andreas Schwab  <schwab@suse.de>
10039
10040         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10041         read the value in the contents, since we don't use it.  Use the
10042         template endianness when writing.
10043         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10044
10045 2009-01-19  Andreas Schwab  <schwab@suse.de>
10046
10047         * configure.tgt (powerpc64-*): Fix targ_obj.
10048
10049 2009-01-15  Ian Lance Taylor  <iant@google.com>
10050
10051         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10052         local symbols when stripping all symbols.
10053
10054 2009-01-14  Cary Coutant  <ccoutant@google.com>
10055
10056         * output.cc (Output_reloc): Add explicit instantiations.
10057
10058 2009-01-14  Cary Coutant  <ccoutant@google.com>
10059
10060         * archive.cc (Archive::get_elf_object_for_member): Remove call
10061         to File_read::claim_for_plugin.
10062         * descriptors.cc (Descriptors::open): Remove reference to
10063         is_claimed.
10064         (Descriptors::claim_for_plugin): Remove.
10065         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10066         (Descriptors::is_claimed): Remove.
10067         (claim_descriptor_for_plugin): Remove.
10068         * fileread.cc (File_read::claim_for_plugin): Remove.
10069         * fileread.h (File_read::claim_for_plugin): Remove.
10070         (File_read::descriptor): Reopen descriptor if necessary.
10071         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10072         (Plugin_manager::all_symbols_read): Add task parameter. Change
10073         all callers.
10074         (Plugin_manager::get_input_file): New function.
10075         (Plugin_manager::release_input_file): New function.
10076         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10077         corresponding data member.
10078         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10079         and pass to base constructor. Change all callers.
10080         (get_input_file, release_input_file): New functions.
10081         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10082         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10083         (Plugin_manager::all_symbols_read): Add task parameter.
10084         (Plugin_manager::get_input_file): New function.
10085         (Plugin_manager::release_input_file): New function.
10086         (Plugin_manager::task_): New data member.
10087         (Pluginobj::Pluginobj): Add filesize parameter.
10088         (Pluginobj::filename): New function.
10089         (Pluginobj::descriptor): New function.
10090         (Pluginobj::filesize): New function.
10091         (Pluginobj::filesize_): New data member.
10092         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10093         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10094         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10095
10096         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10097         with archive libraries.
10098         * testsuite/Makefile.in: Regenerate.
10099         * testsuite/plugin_test.c (struct sym_info): New type.
10100         (get_input_file, release_input_file): New static variables.
10101         (onload): Capture new transfer vector entries.
10102         (claim_file_hook): Stop reading at end of file according to filesize.
10103         Factor out parsing of readelf output into separate function.
10104         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10105         APIs and get the source file name from the symbol table.  Convert
10106         source file name to corresponding object file name.  Print info
10107         message when adding new input files.
10108         (parse_readelf_line): New function.
10109         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10110         * testsuite/plugin_test_2.sh: Likewise.
10111         * testsuite/plugin_test_3.sh: Likewise.
10112         * testsuite/plugin_test_4.sh: New test case.
10113
10114 2009-01-07  Ian Lance Taylor  <iant@google.com>
10115
10116         * version.cc (version_string): Bump to 1.8.
10117
10118 2008-12-23  Cary Coutant  <ccoutant@google.com>
10119
10120         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10121         * plugin.cc (Plugin_manager::finish): Rename as
10122         layout_deferred_objects.  Move cleanup to separate function.
10123         (Plugin_manager::cleanup): New function.
10124         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10125         separately.
10126         * plugin.h (Plugin_manager::finish): Rename as
10127         layout_deferred_objects.
10128         (Plugin_manager::cleanup): New function.
10129         (Plugin_manager::cleanup_done): New field.
10130
10131 2008-12-23  Cary Coutant  <ccoutant@google.com>
10132
10133         * plugin.cc (is_visible_from_outside): New function.
10134         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10135         so we don't return "IR only" status for exported symbols or -r links.
10136
10137         * testsuite/Makefile.am (plugin_test_3): New test case.
10138         * testsuite/Makefile.in: Regenerate.
10139         * testsuite/plugin_test_3.sh: New file.
10140
10141 2008-12-22  Cary Coutant  <ccoutant@google.com>
10142
10143         * object.cc (Sized_relobj::layout_section): New function.
10144         (Sized_relobj::do_layout): Defer layout of input sections until after
10145         plugin has provided replacement files.
10146         (Sized_relobj::do_layout_deferred_sections): New function.
10147         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10148         (Relobj::layout_deferred_sections): New function.
10149         (Relobj::do_layout_deferred_sections): New function.
10150         (Sized_relobj::do_layout_deferred_sections): New function.
10151         (Sized_relobj::layout_section): New function.
10152         (Sized_relobj::Deferred_layout): New structure.
10153         (Sized_relobj::deferred_layout_): New field.
10154         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10155         Change all callers.  Layout deferred sections.
10156         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10157         references.
10158         (Plugin_hook::run): Move code from do_plugin_hook inline.
10159         (Plugin_hook::do_plugin_hook): Remove.
10160         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10161         (Plugin_manager::finish): Renamed, was cleanup.
10162         (Plugin_manager::should_defer_layout): New function.
10163         (Plugin_manager::add_deferred_layout_object): New function.
10164         (Plugin_manager::Deferred_layout_list): New type.
10165         (Plugin_manager::deferred_layout_objects_): New field.
10166         (Plugin_hook::do_plugin_hook): Remove.
10167
10168 2008-12-17  Ian Lance Taylor  <iant@google.com>
10169
10170         * options.h (class General_options): Add --no case for
10171         --export-dynamic.
10172
10173 2008-12-16  Cary Coutant  <ccoutant@google.com>
10174
10175         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10176         vector.
10177         (Plugin_manager::claim_file): Create plugin object even if
10178         plugin did not call the add_symbols callback.
10179         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10180         asking for more symbols than were added.
10181         * testsuite/Makefile.am (plugin_test_1): Add test case with
10182         no global symbols.
10183         (empty.syms): New target.
10184         * testsuite/Makefile.in: Regenerate.
10185         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10186         message. Don't call add_symbols if no globals.
10187         (all_symbols_read_hook): Don't provide replacement for empty
10188         claimed file.
10189
10190 2008-12-12  Ian Lance Taylor  <iant@google.com>
10191
10192         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10193         r_type == 0 for a local symbol with r_sym == 0.
10194         (scan_relocatable_relocs): Pass r_sym to
10195         local_non_section_strategy.
10196         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10197         r_sym parameter.
10198
10199         * configure.ac: Update test for TLS descriptors: they are
10200         supported as of glibc 2.9.
10201         * configure: Rebuild.
10202
10203 2008-12-11  Ian Lance Taylor  <iant@google.com>
10204
10205         PR 7091
10206         * target-reloc.h (Default_scan_relocatable_relocs): For each
10207         function, map r_type == 0 to RELOC_DISCARD.
10208
10209 2008-12-10  Cary Coutant  <ccoutant@google.com>
10210
10211         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10212         object to override a kept COMDAT group from a plugin object.
10213
10214 2008-12-09  Ian Lance Taylor  <iant@google.com>
10215
10216         PR 7088
10217         * yyscript.y (file_cmd): Handle INPUT.
10218
10219         * testsuite/initpri1.c: Change all declarations to be full
10220         prototypes by adding void, to avoid compiler warnings.
10221
10222 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10223
10224         * options.cc (General_options::parse_plugin_opt): New.
10225         (General_options::add_plugin): The argument now is just the filename.
10226         (General_options::add_plugin_option): New.
10227         * options.h (plugin_opt): New.
10228         (add_plugin): Change argument name.
10229         (add_plugin_option): New.
10230         * plugin.cc (Plugin::load): Don't parse the plugin option.
10231         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10232         (Plugin::add_option): New.
10233         (Plugin::args_): Change type.
10234         (Plugin::filename_): New.
10235         (Plugin_manager::add_plugin_option): New.
10236         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10237         * testsuite/Makefile.in: Regenerate.
10238
10239 2008-12-05  Cary Coutant  <ccoutant@google.com>
10240
10241         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10242         Handle --strip-lto-sections option.
10243         * options.h (strip_lto_sections): New option.
10244
10245 2008-12-01  Cary Coutant  <ccoutant@google.com>
10246
10247         * plugin.cc (ld_plugin_message): Change format parameter to const.
10248         Fix mismatch between new[] and delete.
10249
10250 2008-11-14  Cary Coutant  <ccoutant@google.com>
10251
10252         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10253         instead of -1U.
10254
10255 2008-11-05  Craig Silverstein  <csilvers@google.com>
10256
10257         * options.cc (General_options::parse_dynamic_list): New function.
10258         * options.h (General_options): New flags dynamic_list,
10259         dynamic_list_data, dynamic_list_cpp_new, and
10260         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10261         (General_options::in_dynamic_list): New function.
10262         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10263         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10264         (Lex::can_continue_name): Likewise.
10265         (yylex): Likewise.
10266         (read_script_file): New parameter script_options.
10267         (read_dynamic_list): New function.
10268         (Script_options::define_dynamic_list): New function.
10269         (dynamic_list_keyword_parsecodes): New variable.
10270         (dynamic_list_keywords): New variable.
10271         * script.h (Script_options::define_dynamic_list): New function
10272         prototype.
10273         (read_dynamic_list): New function prototype.
10274         * symtab.cc (strprefix): New macro.
10275         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10276         dynamic_list_data, dynamic_list_cpp_new, and
10277         dynamic_list_cpp_typeinfo.
10278         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10279         (dynamic_list_expr): New rule.
10280         (dynamic_list_nodes): Likewise.
10281         (dynamic_list_node): Likewise.
10282         * testsuite/Makefile.am (dynamic_list): New test.
10283         * testsuite/Makefile.in: Regenerated.
10284         * testsuite/dynamic_list.t: New file.
10285         * testsuite/dynamic_list.sh: New file.
10286
10287 2008-11-05  Craig Silverstein  <csilvers@google.com>
10288
10289         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10290         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10291         (t11_last): Likewise.
10292         * testsuite/ver_test_6.c (main): Likewise.
10293
10294 2008-10-07  Cary Coutant  <ccoutant@google.com>
10295
10296         * options.c (General_options::finalize): Add check for -static and
10297         -shared.
10298         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10299         is not empty.
10300
10301 2008-10-02  Cary Coutant  <ccoutant@google.com>
10302
10303         * plugin.cc (make_sized_plugin_object): Fix conditional
10304         compilation to work when not all targets are enabled.
10305
10306 2008-09-29  Cary Coutant  <ccoutant@google.com>
10307
10308         * archive.cc (Archive::get_file_and_offset): Use filename instead
10309         of name to get library path.
10310         (Archive::include_member): Unlock external member of a thin archive.
10311
10312         * testsuite/Makefile.am (TEST_AR): New variable.
10313         (thin_archive_test_1): New test.
10314         (thin_archive_test_2): New test.
10315         * testsuite/Makefile.in: Regenerate.
10316         * testsuite/thin_archive_main.cc: New file.
10317         * testsuite/thin_archive_test_1.cc: New file.
10318         * testsuite/thin_archive_test_2.cc: New file.
10319         * testsuite/thin_archive_test_3.cc: New file.
10320         * testsuite/thin_archive_test_4.cc: New file.
10321
10322 2008-09-29  Cary Coutant  <ccoutant@google.com>
10323
10324         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10325         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10326         instead of -1U.
10327         (Sized_relobj::do_finalize_local_symbols): Likewise.
10328         (Sized_relobj::map_to_kept_section): Likewise.
10329         * object.h (Sized_relobj::invalid_address): New constant.
10330         (Sized_relobj::do_output_section_offset): Check for invalid_address
10331         and return -1ULL.
10332         * output.cc (Output_reloc::local_section_offset): Use constant
10333         invalid_address instead of -1U.
10334         (Output_reloc::get_address): Likewise.
10335         (Output_section::output_address): Change -1U to -1ULL.
10336         * output.h (Output_reloc::invalid_address): New constant.
10337         * reloc.cc (Sized_relobj::write_sections): Use constant
10338         invalid_address instead of -1U.
10339         (Sized_relobj::relocate_sections): Likewise.
10340         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10341         values for merge sections.
10342         * target-reloc.h (relocate_for_relocatable): Use constant
10343         invalid_address instead of -1U.
10344
10345 2008-09-19  Cary Coutant  <ccoutant@google.com>
10346
10347         Add plugin functionality for link-time optimization (LTO).
10348         * configure.ac (plugins): Add --enable-plugins option.
10349         * configure: Regenerate.
10350         * config.in: Regenerate.
10351         * Makefile.am (LIBDL): New variable.
10352         (CCFILES): Add plugin.cc.
10353         (HFILES): Add plugin.h.
10354         (ldadd_var): Add LIBDL.
10355         * Makefile.in: Regenerate.
10356
10357         * archive.cc: Include "plugin.h".
10358         (Archive::setup): Don't preread archive symbols when using a plugin.
10359         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10360         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10361         files.
10362         (Archive::include_member): Add symbols from plugin objects.
10363         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10364         * descriptors.cc (Descriptors::open): Check for file descriptors
10365         abandoned by plugins.
10366         (Descriptors::claim_for_plugin): New function.
10367         * descriptors.h (Descriptors::claim_for_plugin): New function.
10368         (Open_descriptor::is_claimed): New field.
10369         (claim_descriptor_for_plugin): New function.
10370         * fileread.cc (File_read::claim_for_plugin): New function.
10371         * fileread.h (File_read::claim_for_plugin): New function.
10372         (File_read::descriptor): New function.
10373         * gold.cc: Include "plugin.h".
10374         (queue_initial_tasks): Add task to call plugin hooks for generating
10375         new object files.
10376         * main.cc: Include "plugin.h".
10377         (main): Load plugin libraries.
10378         * object.h (Pluginobj): Declare.
10379         (Object::pluginobj): New function.
10380         (Object::do_pluginobj): New function.
10381         (Object::set_target): New function.
10382         * options.cc: Include "plugin.h".
10383         (General_options::parse_plugin): New function.
10384         (General_options::General_options): Initialize plugins_ field.
10385         (General_options::add_plugin): New function.
10386         * options.h (Plugin_manager): Declare.
10387         (General_options): Add --plugin option.
10388         (General_options::has_plugins): New function.
10389         (General_options::plugins): New function.
10390         (General_options::add_plugin): New function.
10391         (General_options::plugins_): New field.
10392         * plugin.cc: New file.
10393         * plugin.h: New file.
10394         * readsyms.cc: Include "plugin.h".
10395         (Read_symbols::do_read_symbols): Check for archive before checking
10396         for ELF file.  Call plugin hooks to claim files.
10397         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10398         from a real object file; force override when processing replacement
10399         files.
10400         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10401         (Symbol::init_base_object): Likewise.
10402         (Symbol::init_base_output_data): Likewise.
10403         (Symbol::init_base_output_segment): Likewise.
10404         (Symbol::init_base_constant): Likewise.
10405         (Symbol::init_base_undefined): Likewise.
10406         (Symbol::output_section): Assert that object is not a plugin.
10407         (Symbol_table::add_from_pluginobj): New function.
10408         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10409         undefined.
10410         (Symbol_table::sized_write_globals): Likewise.
10411         (Symbol_table::add_from_pluginobj): Instantiate template.
10412         * symtab.h (Sized_pluginobj): Declare.
10413         (Symbol::in_real_elf): New function.
10414         (Symbol::set_in_real_elf): New function.
10415         (Symbol::in_real_elf_): New field.
10416         (Symbol_table::add_from_pluginobj): New function.
10417
10418         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10419         (LIBDL): New variable.
10420         (LDADD): Add LIBDL.
10421         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10422         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10423         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10424         (MOSTLYCLEANFILES): Likewise.
10425         * testsuite/Makefile.in: Regenerate.
10426         * testsuite/plugin_test.c: New file.
10427         * testsuite/plugin_test_1.sh: New file.
10428         * testsuite/plugin_test_2.sh: New file.
10429
10430 2008-09-16  Ian Lance Taylor  <iant@google.com>
10431
10432         * target-reloc.h (relocate_section): Check whether a symbol is
10433         defined by the ABI before reporting an undefined symbol error.
10434         * target.h (Target::is_defined_by_abi): Make parameter const.
10435         (Target::do_is_defined_by_abi): Likewise.
10436         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10437         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10438         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10439         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10440         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10441         * testsuite/Makefile.in: Rebuild.
10442
10443         * fileread.cc (make_view): Add casts to avoid warning.
10444
10445 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10446
10447         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10448         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10449
10450 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10451
10452         * options.h (General_options::output_is_executable): New.
10453         (General_options::output_is_pie): New.
10454         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10455         for shared libraries.
10456         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10457
10458 2008-09-11  Chris Demetriou  <cgd@google.com>
10459
10460         * options.h (origin): New -z option.
10461         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10462         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10463         in DT_FLAGS_1.
10464
10465 2008-09-05  Cary Coutant  <ccoutant@google.com>
10466
10467         * fileread.cc (File_read::make_view): Add check for attempt to map
10468         beyond end of file.
10469
10470 2008-09-05  Cary Coutant  <ccoutant@google.com>
10471
10472         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10473         explicit instantiations.
10474
10475 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10476
10477         PR gold/6858
10478         * options.cc (General_options::finalize): Allow undefined symbols
10479         in shlibs if linking -shared.
10480
10481         PR gold/6859
10482         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10483         symbols as not needing a dynsym entry.
10484
10485 2008-08-20  Craig Silverstein  <csilvers@google.com>
10486
10487         * fileread.cc (File_read::open): Do not lock the file unless it
10488         was successfully opened.
10489
10490 2008-08-14  Cary Coutant  <ccoutant@google.com>
10491
10492         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10493         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10494         * testsuite/tls_test.cc (struct int128): 128-bit struct
10495         for testing TLS relocs with non-zero addend.
10496         (v12): New TLS variable.
10497         (t12): New test.
10498         (t_last): Add check for v12.
10499         * testsuite/tls_test.h (t12): New function.
10500         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10501
10502 2008-08-13  Ian Lance Taylor  <iant@google.com>
10503
10504         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10505         set tls_segment_ or relro_segment_.
10506         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10507         when appropriate.
10508         * output.h (Output_section::clear_is_relro): New function.
10509         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10510         sections specially even when output_data_ is empty.
10511         (Output_segment::maximum_alignment): When first section is relro,
10512         only force alignment for PT_LOAD segments.
10513         * script.cc (script_data_segment_align): New function.
10514         (script_data_segment_relro_end): New function.
10515         * script-c.h (script_data_segment_align): Declare.
10516         (script_data_segment_relro_end): Declare.
10517         * script-sections.h (class Script_sections): Declare
10518         data_segment_align and data_segment_relro_end.  Add fields
10519         segment_align_index_ and saw_relro_end_.
10520         * script-sections.cc (class Sections_element): Add set_is_relro
10521         virtual function.  Add new bool* parameter to place_orphan_here.
10522         Add get_output_section virtual function.
10523         (class Output_section_definition): Add set_is_relro.  Add new
10524         bool* parameter to place_orphan_here.  Add get_output_section.
10525         Add is_relro_ field.
10526         (Output_section_definition::Output_section_definition): Initialize
10527         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10528         and is_relro_ fields.
10529         (Output_section_definition::place_orphan_here): Add is_relro
10530         parameter.
10531         (Output_section_definition::set_section_addresses): Set relro for
10532         output section.
10533         (Output_section_definition::alternate_constraint): Likewise.
10534         (class Orphan_output_section): Add new bool* parameter to
10535         place_orphan_here.  Add get_output_section.
10536         (Orphan_output_section::place_orphan_here): Add is_relro
10537         parameter.
10538         (Script_sections::Script_sections): Initialize
10539         data_segment_align_index_ and saw_relro_end_.
10540         (Script_sections::data_segment_align): New function.
10541         (Script_sections::data_segment_relro_end): New function.
10542         (Script_sections::place_orphan): Set or clear is_relro.
10543         (Script_sections::set_section_addresses): Force alignment of first
10544         TLS section.
10545         * yyscript.y (exp): Call script_data_segment_align and
10546         script_data_segment_relro_end.
10547         * testsuite/relro_script_test.t: New file.
10548         * testsuite/relro_test.cc (using_script): Declare.
10549         (t1, t2): Test using_script.
10550         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10551         (relro_script_test_SOURCES): Define.
10552         (relro_script_test_DEPENDENCIES): Define.
10553         (relro_script_test_LDFLAGS): Define.
10554         (relro_script_test_LDADD): Define.
10555         (relro_script_test.so): New target.
10556         * testsuite/Makefile.in: Rebuild.
10557
10558 2008-08-06  Cary Coutant <ccoutant@google.com>
10559
10560         * archive.cc (Archive::total_archives, Archive::total_members)
10561         (Archive::total_members_loaded): New variables.
10562         (Archive::setup): Add parameter.  Add option to preread
10563         archive symbols.
10564         (Archive::read_armap): Add counter.
10565         (Archive::get_file_and_offset): New function.
10566         (Archive::get_elf_object_for_member): New function.
10567         (Archive::read_all_symbols): New function.
10568         (Archive::read_symbols): New function.
10569         (Archive::add_symbols): Add counters.
10570         (Archive::include_all_members): Use armap to find members if it's
10571         already built.
10572         (Archive::include_member): Skip reading symbols if already read.
10573         Factored code into Archive::get_file_and_offset and
10574         Archive::get_elf_object_for_member.  Changed call to
10575         Mapfile::report_include_archive_member.
10576         (Archive::print_stats): New function.
10577         * archive.h: Declare Object and Read_symbols_data classes.
10578         (Archive::Archive): Add initializers for new members.
10579         (Archive::setup): Add parameter.
10580         (Archive::print_stats): New function.
10581         (Archive::total_archives, Archive::total_members)
10582         (Archive::total_members_loaded): New variables.
10583         (Archive::get_file_and_offset): New function.
10584         (Archive::get_elf_object_for_member): New function.
10585         (Archive::read_all_symbols): New function.
10586         (Archive::read_symbols): New function.
10587         (Archive::Archive_member): New class.
10588         (Archive::members_): New member.
10589         (Archive::num_members_): New member.
10590         * main.cc: Include archive.h.
10591         (main): Call Archive::print_stats.
10592         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10593         archive parameter; member_name is now the fully-decorated name.
10594         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10595         * options.h: (General_options): Add --preread-archive-symbols option.
10596         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10597         Archive::setup.
10598
10599 2008-08-04  Ian Lance Taylor  <iant@google.com>
10600
10601         * symtab.h (Symbol::use_plt_offset): New function.
10602         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10603         * powerpc.cc (Relocate::relocate): Likewise.
10604         * sparc.cc (Relocate::relocate): Likewise.
10605         * x86_64.cc (Relocate::relocate): Likewise.
10606         * testsuite/weak_plt.sh: New test.
10607         * testsuite/weak_plt_main.cc: New test.
10608         * testsuite/weak_plt_shared.cc: New test.
10609         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10610         (check_PROGRAMS): Add weak_plt.
10611         (check_DATA): Add weak_plt_shared.so.
10612         (weak_plt_main_pic.o, weak_plt): New targets.
10613         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10614         * testsuite/Makefile.in: Rebuild.
10615
10616         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10617         gcctestdir/ld.
10618         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10619         * testsuite/Makefile.in: Rebuild.
10620
10621 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10622
10623         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10624         * Makefile.in: Regenerate.
10625         * po/POTFILES.in: Regenerate.
10626
10627 2008-07-29  Ian Lance Taylor  <iant@google.com>
10628
10629         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10630         symbols before other symbols.
10631         * testsuite/script_test_2.cc (test_addr): Declare.
10632         (test_addr_alias): Declare.
10633         (main): Check that test_addr and test_addr_alias have the right
10634         values.
10635         * testsuite/script_test_2.t: Define test_addr_alias and
10636         test_addr.
10637
10638 2008-07-24  Ian Lance Taylor  <iant@google.com>
10639
10640         PR 5990
10641         * descriptors.cc: New file.
10642         * descriptors.h: New file.
10643         * gold-threads.h (class Hold_optional_lock): New class.
10644         * fileread.cc: Include "descriptors.h".
10645         (File_read::~File_read): Release descriptor rather than closing
10646         it.
10647         (File_read::open) [file]: Call open_descriptor rather than open.
10648         Set is_descriptor_opened_.
10649         (File_read::open) [memory]: Assert that descriptor is not open.
10650         (File_read::reopen_descriptor): New function.
10651         (File_read::release): Release descriptor.
10652         (File_read::do_read): Make non-const.  Reopen descriptor.
10653         (File_read::read): Make non-const.
10654         (File_read::make_view): Reopen descriptor.
10655         (File_read::do_readv): Likewise.
10656         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10657         Update declarations.
10658         * layout.cc: Include "descriptors.h".
10659         (Layout::create_build_id): Use open_descriptor rather than open.
10660         * output.cc: Include "descriptors.h".
10661         (Output_file::open): Use open_descriptor rather than open.
10662         * archive.cc (Archive::const_iterator): Change Archive to be
10663         non-const.
10664         (Archive::begin, Archive::end): Make non-const.
10665         (Archive::count_members): Likewise.
10666         * archive.h (class Archive): Update declarations.
10667         * object.h (Object::read): Make non-const.
10668         * Makefile.am (CCFILES): Add descriptors.cc.
10669         (HFILES): Add descriptors.h.
10670         * Makefile.in: Rebuild.
10671
10672         PR 6716
10673         * gold.h: Always include <clocale>.  Add Solaris workarounds
10674         following code in binutils/sysdep.h.
10675
10676         PR 6048
10677         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10678         this->eh_frame_hdr_ is NULL before using it.
10679
10680         * dynobj.cc (Versions::Versions): Update comment.
10681
10682         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10683         the base version name.
10684
10685         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10686         array size plus one.
10687         (Stringpool_template::set_string_offsets): Subtract one from key
10688         before using it as an array index.
10689         (Stringpool_template::get_offset_with_length): Likewise.
10690         (Stringpool_template::write_to_buffer): Likewise.
10691         * stringpool.h (Stringpool_template::get_offset_from_key):
10692         Likewise.
10693
10694 2008-07-23  Ian Lance Taylor  <iant@google.com>
10695
10696         PR 6658
10697         * object.h (Merged_symbol_value::value): Do our best to handle a
10698         negative addend.
10699
10700         PR 6647
10701         * script.cc (Version_script_info::get_versions): Don't add empty
10702         version tag to return value.
10703         (Version_script_info::get_symbol_version_helper): Change return
10704         type to bool.  Add pversion parameter.  Change all callers.
10705         (script_register_vers_node): Don't require a non-NULL tag.
10706         * script.h (class Version_script_info): Update declarations.
10707         (Version_script_info::get_symbol_version): Change return type to
10708         bool.  Add version parameter.  Change all callers.
10709         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10710         handling.  Handle an empty version from a version script.
10711         (Symbol_table::define_special_symbol): Likewise.
10712         * testsuite/ver_test_10.script: New file.
10713         * testsuite/ver_test_10.sh: New file.
10714         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10715         (check_DATA): Add ver_test_10.syms.
10716         (ver_test_10.syms, ver_test_10.so): New target.
10717         * testsuite/Makefile.in: Rebuild.
10718
10719 2008-07-23  Simon Baldwin  <simonb@google.com>
10720
10721         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10722         to zero for undefined symbols from dynamic libraries.
10723
10724 2008-07-23  Ian Lance Taylor  <iant@google.com>
10725
10726         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10727         Change all callers.
10728         * symtab.h (class Symbol_table): Update declaration.
10729         * testsuite/ver_test_9.cc: New file.
10730         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10731         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10732         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10733         (ver_test_9.so, ver_test_9.o): New targets.
10734         * testsuite/Makefile.in: Rebuild.
10735
10736 2008-07-22  Ian Lance Taylor  <iant@google.com>
10737
10738         * options.h (class General_options): Define --check-sections.
10739         * layout.cc (Layout::set_segment_offsets): Handle
10740         --check-sections.
10741
10742         * options.h (class General_options): Define -n/--nmagic and
10743         -N/--omagic.
10744         * options.cc (General_options::finalize): For -n/--nmagic or
10745         -N/--omagic, set -static.
10746         * layout.cc (Layout::attach_allocated_section_to_segment): If
10747         -N/--omagic, don't put read-only and read-write sections in
10748         different segments.
10749         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10750         finding a read-only segment.
10751         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10752         don't set the minimum segment alignment to the common page size,
10753         and don't set the file offset to the address modulo the page size.
10754         * script-sections.cc (Script_sections::create_segments): If
10755         -n/--omagic, don't put read-only and read-write sections in
10756         different segments.
10757
10758         * cref.cc: New file.
10759         * cref.h: New file.
10760         * options.h (class General_options): Add --print-symbol-counts.
10761         * main.cc (main): Issue defined symbol report if requested.
10762         * archive.cc (Archive::interpret_header): Make into a const member
10763         function.
10764         (Archive::add_symbols): Call Input_objects::archive_start and
10765         archive_stop.
10766         (Archive::const_iterator): Define new class.
10767         (Archive::begin, Archive::end): New functions.
10768         (Archive::include_all_members): Rewrite to use iterator.
10769         (Archive::count_members): New function.
10770         * archive.h (class Archive): Update declarations.
10771         (Archive::filename): New function.
10772         * object.cc: Include "cref.h".
10773         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10774         (Sized_relobj::do_get_global_symbol_counts): New function.
10775         (Input_objects::add_object): Add object to cross-referencer.
10776         (Input_objects::archive_start): New function.
10777         (Input_objects::archive_stop): New function.
10778         (Input_objects::print_symbol_counts): New function.
10779         * object.h: Declare Cref and Archive.
10780         (Object::get_global_symbol_counts): New function.
10781         (Object::do_get_global_symbol_counts): New pure virtual function.
10782         (class Sized_relobj): Add defined_count_ field.  Update
10783         declarations.
10784         (class Input_objects): Add cref_ field.  Update constructor.
10785         Update declarations.
10786         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10787         defined_count_.
10788         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10789         symbol counts.
10790         (Sized_dynobj::do_get_global_symbol_counts): New function.
10791         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10792         defined_count_.  Update declarations.  Define Symbols typedef.
10793         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10794         parameter.  Change all callers.
10795         (Symbol_table::add_from_dynobj): Add sympointers and defined
10796         parameters.  Change all callers.
10797         * symtab.h (class Symbol_table): Update declarations.
10798         * Makefile.am (CCFILES): Add cref.cc.
10799         (HFILES): Add cref.h.
10800         * Makefile.in: Rebuild.
10801
10802 2008-07-22  Simon Baldwin  <simonb@google.com>
10803
10804         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10805         to zero when writing undefined symbols.
10806
10807 2008-07-22  Ian Lance Taylor  <iant@google.com>
10808
10809         * output.cc (Output_section::add_input_section): Don't try to
10810         merge empty merge sections.
10811
10812 2008-07-21  Craig Silverstein  <csilvers@google.com>
10813
10814         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10815         Include symbol version in error message.
10816
10817 2008-07-20  Chris Demetriou  <cgd@google.com>
10818
10819         * configure.ac (gold_cv_c_random_seed): New configured variable.
10820         (RANDOM_SEED_CFLAGS): New substituted variable.
10821         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10822         * configure: Rebuild.
10823         * Makefile.in: Likewise.
10824         * testsuite/Makefile.in: Likewise.
10825
10826 2008-07-18  Ian Lance Taylor  <iant@google.com>
10827
10828         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10829         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10830         * testsuite/ver_test_main.cc (main): Call t4.
10831         (t4, t4_2a): Define.
10832         * testsuite/ver_test_2.cc (t4_2): Define.
10833         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10834         * testsuite/ver_test_4.cc (t4_2a): Define.
10835         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10836         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10837
10838 2008-07-17  Ian Lance Taylor  <iant@google.com>
10839
10840         * dynobj.cc (Versions::add_def): If we give an error about a
10841         missing version, go ahead and create the version anyhow.
10842
10843 2008-07-10  Ian Lance Taylor  <iant@google.com>
10844
10845         Handle output sections with more than 0x7fffffff bytes.
10846         * object.h (class Relobj): Change map_to_output_ to
10847         output_sections_, and just keep a section pointer.  Change all
10848         uses.  Move comdat group support to Sized_relobj.
10849         (Relobj::is_section_specially_mapped): Remove.
10850         (Relobj::output_section): Remove poff parameter.  Change all
10851         callers.
10852         (Relobj::output_section_offset): New function.
10853         (Relobj::set_section_offset): Rewrite.
10854         (Relobj::map_to_output): Remove.
10855         (Relobj::output_sections): New function.
10856         (Relobj::do_output_section_offset): New pure virtual function.
10857         (Relobj::do_set_section_offset): Likewise.
10858         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10859         group support from Relobj.  Update declarations.
10860         (Sized_relobj::get_output_section_offset): New function.
10861         (Sized_relobj::do_output_section_offset): New function.
10862         (Sized_relobj::do_set_section_offset): New function.
10863         * object.cc (Relobj::output_section_address): Remove.
10864         (Sized_relobj::Sized_relobj): Initialize new fields.
10865         (Sized_relobj::include_section_group): Cast find_kept_object to
10866         Sized_relobj.
10867         (Sized_relobj::include_linkonce_section): Likewise.
10868         (Sized_relobj::do_layout): Use separate arrays for output section
10869         and output offset.
10870         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10871         output_sections.
10872         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10873         output_sections and section_offsets.
10874         (Sized_relobj::write_local_symbols): Likewise.
10875         (map_to_kept_section): Compute output address directly.
10876         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10877         output_sections and section_offsets.
10878         (Sized_relobj::write_sections): Likewise.
10879         (Sized_relobj::relocate_sections): Likewise.
10880         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10881         * output.h (class Output_reloc): Update declarations.  Change
10882         u2_.relobj to Sized_relobj*.
10883         (class Output_data_reloc): Change add functions to use
10884         Sized_relobj*.
10885         * output.cc (Output_reloc::Output_reloc): Change relobj to
10886         Sized_relobj*.
10887         (Output_reloc::local_section_offset): Change return type to
10888         Elf_Addr.  Use get_output_section_offset.
10889         (Output_reloc::get_address): Likewise.
10890         (Output_section::is_input_address_mapped): Don't call
10891         is_section_specially_mapped.
10892         (Output_section::output_offset): Likewise.
10893         (Output_section::output_address): Likewise.
10894         (Output_section::starting_output_address): Likewise.
10895         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10896         parameter to Sized_relobj*.
10897         (Copy_relocs::need_copy_reloc): Likewise.
10898         (Copy_relocs::save): Likewise.
10899         * copy-relocs.h (class Copy_relocs): Update declarations.
10900         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10901         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10902         * target-reloc.h (relocate_for_relocatable): Change
10903         offset_in_output_section type to Elf_Addr.  Change code that uses
10904         it as well.
10905         * layout.cc (Layout::layout): Always set *off.
10906         * mapfile.cc (Mapfile::print_input_section): Use
10907         output_section_offset.
10908         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10909         Sized_relobj*.
10910         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10911         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10912         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10913
10914 2008-07-03  Ian Lance Taylor  <iant@google.com>
10915
10916         * layout.cc (Layout::include_section): Do not discard unrecognized
10917         SHT_STRTAB sections.
10918
10919 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10920
10921         * script.cc (Lex::can_continue_name): Make '?' allowable in
10922         version-script names.
10923         * testsuite/version_script.map: Change glob pattern to use '?'
10924
10925 2008-06-30  Manish Singh  <yosh@gimp.org>
10926
10927         PR 6585
10928         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10929         Correct typo.
10930
10931 2008-06-30  Ian Lance Taylor  <iant@google.com>
10932
10933         PR 6660
10934         PR 6682
10935         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10936         versions]: Don't try to read the value in the contents, since we
10937         don't use it.  Use the template endianness when writing.
10938
10939 2008-06-25  Cary Coutant  <ccoutant@google.com>
10940
10941         * fileread.cc (File_read::make_view): Assert on zero-length view.
10942         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10943         symbol table when there are no symbols to read.
10944
10945 2008-06-23  Craig Silverstein  <csilvers@google.com>
10946
10947         * version.cc (version_string): Bump to 1.7
10948
10949 2008-06-18  Craig Silverstein  <csilvers@google.com>
10950
10951         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10952         constant 0xFFFF to type Valtype.
10953         (Powerpc_relocate_functions::rel16_ha): Likewise.
10954
10955 2008-06-17  Ian Lance Taylor  <iant@google.com>
10956
10957         * output.h (Output_section::Input_section): Initialize p2align_ to
10958         zero for Output_section_data constructors.
10959         (Output_section::Input_section::addralign): If not an input
10960         section, return the alignment of the Output_section_data.
10961         * testsuite/copy_test.cc: New file.
10962         * testsuite/copy_test_1.cc: New file.
10963         * testsuite/copy_test_2.cc: New file.
10964         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10965         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10966         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10967         (copy_test_1_pic.o, copy_test_1.so): New targets.
10968         (copy_test_2_pic.o, copy_test_2.so): New targets.
10969         * testsuite/Makefile.in: Rebuild.
10970
10971         * script-sections.cc (Script_sections::place_orphan): Initialize
10972         local variable exact.
10973
10974 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10975
10976         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10977
10978 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10979             David S. Miller  <davem@davemloft.net>
10980
10981         * powerpc.cc: New file.
10982         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10983         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10984         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10985         * Makefile.in: Rebuild.
10986
10987 2008-06-09  Ian Lance Taylor  <iant@google.com>
10988
10989         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10990         <exception>.
10991         (throwing, orig_terminate): New static variables.
10992         (terminate_handler): New static function.
10993         (t2): Set terminate handler.
10994
10995 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10996
10997         PR 6584
10998         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10999         alignment.
11000
11001 2008-05-30  Cary Coutant  <ccoutant@google.com>
11002
11003         * archive.cc (Archive::include_all_members) Correct to step
11004         over symbol table and extended name table in thin archives.
11005
11006 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11007
11008         PR 6407
11009         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11010         calculation.
11011
11012 2008-05-28  Caleb Howe  <cshowe@google.com>
11013
11014         * reduced_debug_output.cc: New file.
11015         * reduced_debug_output.h: New file.
11016         * options.h (class General_options): Add --strip-debug-non-line.
11017         * options.cc (General_options::finalize): Add strip_debug_non_line
11018         to the strip heirarchy.
11019         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11020         fields.
11021         * layout.cc: Include "reduced_debug_output.h".
11022         (Layout::Layout): Initialize new fields.
11023         (line_only_debug_sections): New static array.
11024         (is_lines_only_debug_sections): New static inline function.
11025         (Layout::include_section): Handle --strip-debug-non-line.
11026         (Layout::make_output_section): If --strip-debug-non-line, build
11027         new output sections for .debug_abbrev and .debug_info.
11028         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11029         gold.  Warn about possible overflow.
11030         (read_signed_LEB_128): Likewise.
11031         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11032         (read_signed_LEB_128): Declare.
11033         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11034         (HFILES): Add reduced_debug_output.h.
11035         * Makefile.in: Rebuild.
11036
11037 2008-05-21  Ian Lance Taylor  <iant@google.com>
11038
11039         * mapfile.cc: New file.
11040         * mapfile.h: New file.
11041         * options.h (class General_options): Add -M/--print-map and -Map.
11042         * options.cc (General_options::finalize): Make -M equivalent to
11043         -Map -.
11044         * main.cc: Include <cstdio> and "mapfile.h".
11045         (main): Open mapfile if requested.
11046         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11047         constructor.  Change caller.
11048         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11049         (queue_middle_tasks): Likewise.
11050         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11051         declarations.
11052         * archive.cc: Include "mapfile.h".
11053         (Archive::add_symbols): Add mapfile parameter.  Change all
11054         callers.  Pass mapfile, symbol, and reason to include_member.
11055         (Archive::include_all_members): Add mapfile parameter.  Change all
11056         callers.
11057         (Archive::include_member): Add mapfile, sym, and why parameters.
11058         Change all callers.  Report inclusion to map file.
11059         * archive.h: Include "fileread.h".
11060         (class Archive): Update declarations.
11061         (Archive::file): New const method.
11062         (class Add_archive_symbols): Add mapfile_ field.  Update
11063         constructor.  Change all callers.
11064         * readsyms.h (class Read_symbols): Likewise.
11065         (class Finish_group): Likewise.
11066         (class Read_script): Likewise.
11067         * common.cc: Include "mapfile.h".
11068         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11069         all callers.
11070         (Symbol_table::do_allocate_commons): Likewise.
11071         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11072         symbol allocation to mapfile.
11073         * common.h (class Allocate_commons_task): Add mapfile_ field.
11074         Update constructor.  Change all callers.
11075         * symtab.h (class Symbol_table): Update declarations.
11076         * layout.cc: Include "mapfile.h".
11077         (Layout_task_runner::run): Print information to mapfile.
11078         (Layout::create_gold_note): Change Output_data_fixed_space to
11079         Output_data_zero_fill.
11080         (Layout::create_build_id): Likewise.
11081         (Layout::print_to_mapfile): New function.
11082         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11083         constructor.  Change caller.
11084         (class Layout): Declare print_to_mapfile.
11085         * output.cc (Output_section::Input_section::print_to_mapfile): New
11086         function.
11087         (Output_section::add_input_section): If producing a map, always
11088         add to input_sections_ list.
11089         (Output_section::do_print_to_mapfile): New function.
11090         (Output_segment::print_sections_to_mapfile): New function.
11091         (Output_segment::print_section_list_to_mapfile): New function.
11092         * output.h: Include "mapfile.h".
11093         (Output_data::print_to_mapfile): New function.
11094         (Output_data::do_print_to_mapfile): New virtual function.
11095         (Output_segment_headers::do_print_to_mapfile): New function.
11096         (Output_file_header::do_print_to_mapfile): New function.
11097         (Output_data_const::do_print_to_mapfile): New function.
11098         (class Output_data_const_buffer): Add map_name_ field.  Update
11099         constructor.  Change all callers.  Add do_print_to_mapfile
11100         function.
11101         (class Output_data_fixed_space): Likewise.
11102         (class Output_data_space): Likewise.
11103         (class Output_data_zero_fill): New class.
11104         (Output_data_strtab::do_print_to_mapfile): New function.
11105         (Output_data_reloc_base::do_print_to_mapfile): New function.
11106         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11107         (Output_data_group::do_print_to_mapfile): New function.
11108         (Output_data_got::do_print_to_mapfile): New function.
11109         (Output_data_dynamic::do_print_to_mapfile): New function.
11110         (Output_symtab_xindex::do_print_to_mapfile): New function.
11111         (class Output_section): Declare do_print_to_mapflie.  Declare
11112         print_to_mapfile in Input_section.
11113         (class Output_segment): Declare new functions.
11114         * object.h (Sized_relobj::symbol_count): New function.
11115         * script-sections.cc
11116         (Output_section_element_dot_assignment::set_section_addresses):
11117         Change Output_data_fixed_space to Output_data_zero_fill.
11118         (Output_data_expression::do_print_to_mapfile): New function.
11119         * script.cc (read_input_script): Add mapfile parameter.  Change
11120         all callers.
11121         * script.h (read_input_script): Update declaration.
11122         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11123         (Eh_frame::do_print_to_mapfile): New function.
11124         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11125         (Output_merge_string::do_print_to_mapfile): New function.
11126         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11127         function.
11128         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11129         function.
11130         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11131         function.
11132         * Makefile.am (CCFILES): Add mapfile.cc.
11133         (HFILES): Add mapfile.h.
11134         * Makefile.in: Rebuild.
11135
11136 2008-05-19  Ian Lance Taylor  <iant@google.com>
11137
11138         * options.h (class General_options): Add -z relro.
11139         * layout.cc (Layout::Layout): Initialize relro_segment_.
11140         (Layout::add_output_section_data): Return the output section.
11141         (Layout::make_output_section): Rcognize relro sections and mark
11142         them appropriately.
11143         (Layout::attach_allocated_section_to_segment): Put relro sections
11144         in a PT_GNU_RELRO segment.
11145         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11146         section as relro.
11147         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11148         PT_TLS segments.
11149         (Layout::linkonce_mapping): Map d.rel.ro.local to
11150         .data.rel.ro.local.
11151         (Layout::output_section_name): Us .data.rel.ro.local for any
11152         section which begins with that.
11153         * layout.h (class Layout): Update add_output_section_data
11154         declaration.  Add relro_segment_ field.
11155         * output.cc (Output_section::Output_section): Initialize is_relro_
11156         and is_relro_local_ fields.
11157         (Output_segment::add_output_section): Group relro sections.
11158         (Output_segment::is_first_section_relro): New function.
11159         (Output_segment::maximum_alignment): If there is a relro section,
11160         align the segment to the common page size.
11161         (Output_segment::set_section_addresses): Track whether we are
11162         looking at relro sections.  If the last section is a relro
11163         section, align to the common page size.
11164         (Output_segment::set_section_list_addresses): Add in_relro
11165         parameter.  Change all callers.  Align to the page size when
11166         moving from relro to non-relro section.
11167         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11168         segment.
11169         * output.h (class Output_section): Add is_relro_ and
11170         is_relro_local_ fields.
11171         (Output_section::is_relro): New function.
11172         (Output_section::set_is_relro): New function.
11173         (Output_section::is_relro_local): New function.
11174         (Output_section::set_is_relro_local): New function.
11175         (class Output_segment): Update declarations.
11176         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11177         * sparc.cc (Target_sparc::got_section): Likewise.
11178         * x86_64.cc (Target_x86_64::got_section): Likewise.
11179         * testsuite/relro_test_main.cc: New file.
11180         * testsuite/relro_test.cc: New file.
11181         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11182         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11183         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11184         (relro_test.so, relro_test_pic.o): New targets.
11185         * testsuite/Makefile.in: Rebuild.
11186
11187 2008-05-16  Ian Lance Taylor  <iant@google.com>
11188
11189         * output.cc (Output_segment::add_output_section): Remove front
11190         parameter.
11191         * output.h (class Output_segment): Remove
11192         add_initial_output_section and overloaded add_output_section.
11193         Update declaration of remaining add_output_section.
11194         * layout.cc (Layout::create_interp): Call add_output_section
11195         rather than add_initial_output_section.
11196         (Layout::finish_dynamic_section): Likewise.
11197
11198         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11199         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11200         know the dynamic type.
11201         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11202         field.  Initialize it in constructor.
11203         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11204         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11205         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11206         reloc.
11207
11208         * output.cc (Output_reloc::get_address): Change return type to
11209         Elf_Addr.
11210         * output.h (class Output_reloc): Update get_address declaration.
11211         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11212         for section addresses.
11213
11214 2008-05-09  Ian Lance Taylor  <iant@google.com>
11215
11216         PR 6493
11217         * gold.cc (gold_nomem): Use return value of write.
11218
11219 2008-05-08  Ian Lance Taylor  <iant@google.com>
11220
11221         * symtab.c (Symbol::init_base_output_data): Add version
11222         parameter.  Change all callers.
11223         (Symbol::init_base_output_segment): Likewise.
11224         (Symbol::init_base_constant): Likewise.
11225         (Symbol::init_base_undefined): Likewise.
11226         (Sized_symbol::init_output_data): Likewise.
11227         (Sized_symbol::init_output_segment): Likewise.
11228         (Sized_symbol::init_constant): Likewise.
11229         (Sized_symbol::init_undefined): Likewise.
11230         (Symbol_table::do_define_in_output_data): If the new symbol has a
11231         version, mark it as the default.
11232         (Symbol_table::do_define_in_output_segment): Likewise.
11233         (Symbol_table::do_define_as_constant): Likewise.
11234         * symtab.h (class Symbol): Update declarations.
11235         (class Sized_symbol): Likewise.
11236         * resolve.cc (Symbol::override_version): New function.
11237         (Symbol::override_base): Call override_version.
11238         (Symbol::override_base_with_special): Likewise.
11239         * testsuite/ver_script_8.script: New file.
11240         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11241         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11242         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11243         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11244
11245 2008-05-06  Ian Lance Taylor  <iant@google.com>
11246
11247         PR 6049
11248         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11249         functions.
11250         (class General_options): Remove existing --undefined, and add
11251         --no-undefined instead.  Add new --undefined as synonym for -u.
11252         * archive.cc (Archive::add_symbols): Check whether symbol was
11253         named with -u.
11254         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11255         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11256         all uses.  Add IS_UNDEFINED.  Update declarations to split
11257         different versions of init_base.  Declare init_base_undefined.
11258         (Symbol::is_defined): Handle IS_UNDEFINED.
11259         (Symbol::is_undefined): Likewise.
11260         (Symbol::is_weak_undefined): Call is_undefined.
11261         (Symbol::is_absolute): Handle IS_CONSTANT.
11262         (class Sized_symbol): Update declarations to split different
11263         versions of init.  Declare init_undefined.
11264         (class Symbol_table): Declare new functions.
11265         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11266         Change all callers.
11267         (Symbol::init_base_output_data): Likewise.
11268         (Symbol::init_base_output_segment): Likewise.
11269         (Symbol::init_base_constant): Likewise.
11270         (Symbol::init_base_undefined): New function.
11271         (Sized_symbol::init_object): Rename from init.  Change all
11272         callers.
11273         (Sized_symbol::init_output_data): Likewise.
11274         (Sized_symbol::init_output_segment): Likewise.
11275         (Sized_symbol::init_constant): Likewise.
11276         (Sized_symbol::init_undefined): New function.
11277         (Symbol_table::add_undefined_symbols_from_command_line): New
11278         function.
11279         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11280         function.
11281         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11282         (Symbol::output_section): Likewise.
11283         (Symbol::set_output_section): Likewise.
11284         (Symbol_table::sized_finalize_symbol): Likewise.
11285         (Symbol_table::sized_write_globals): Likewise.
11286         * resolve.cc (Symbol_table::should_override): Likewise.
11287         (Symbol::override_base_with_special): Likewise.
11288
11289         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11290         symbol, change it to have default visibility.
11291         * testsuite/protected_1.cc: New file.
11292         * testsuite/protected_2.cc: New file.
11293         * testsuite/protected_3.cc: New file.
11294         * testsuite/protected_main_1.cc: New file.
11295         * testsuite/protected_main_2.cc: New file.
11296         * testsuite/protected_main_3.cc: New file.
11297         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11298         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11299         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11300         (protected_1.so): New target.
11301         (protected_1_pic.o, protected_2_pic.o): New targets.
11302         (protected_3_pic.o): New target.
11303         (check_PROGRAMS): Add protected_2.
11304         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11305         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11306         * testsuite/Makefile.in: Rebuild.
11307
11308         * options.h (DEFINE_var): Add set_user_set_##varname__.
11309         (DEFINE_bool_alias): New macro.
11310         (class General_options): Define -Bstatic using DEFINE_bool_alias
11311         rather than DEFINE_special.  Add --undefined as an alias for -z
11312         defs.
11313         * options.cc (General_options::parse_Bstatic): Remove.
11314
11315         * options.h (class General_options): Add --fatal-warnings.
11316         * main.cc (main): Implement --fatal-warnings.
11317         * errors.h (Errors::warning_count): New function.
11318
11319         * options.h (class General_options): Add -Bsymbolic-functions.
11320         * symtab.h (Symbol::is_preemptible): Check for
11321         -Bsymbolic-functions.
11322
11323 2008-05-05  Ian Lance Taylor  <iant@google.com>
11324
11325         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11326         as noVARNAME rather than no-VARNAME.
11327         (class General_options): Add option -z combreloc.
11328         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11329         get_address.
11330         (Output_reloc::sort_before) [SHT_REL]: New function.
11331         (Output_reloc::sort_before) [SHT_RELA]: New function.
11332         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11333         Sort_relocs_comparison.
11334         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11335         parameter.  Change all callers.
11336         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11337         sort_relocs parameter.  Change all callers.
11338         * output.cc (Output_reloc::get_address): New function, broken out
11339         of write_rel.
11340         (Output_reloc::write_rel): Call it.
11341         (Output_reloc::compare): New function.
11342         (Output_data_reloc_base::do_write): Optionally sort relocs.
11343
11344         * configure.ac: If targ_extra_obj is set, link it in.
11345         * configure.tgt: Initialize all variables.
11346         (x86_64*): Set targ_extra_obj and targ_extra_size.
11347         * configure: Rebuild.
11348
11349         * object.cc (Sized_relobj::include_section_group): Adjust section
11350         indexes read from group data.  Build vector to pass to
11351         layout_group.
11352         * layout.cc (Layout::layout_group): Add flags and shndxes
11353         parameters.  Remove contents parameter.  Change caller.  Update
11354         explicit instantiations.
11355         * layout.h (class Layout): Update layout_group declaration.
11356         * output.cc (Output_data_group::Output_data_group): Add flags and
11357         input_shndxes parameters.  Remove contents parameter.  Change
11358         caller.
11359         (Output_data_group::do_write): Change input_sections_ to
11360         input_shndxes_.
11361         * output.h (class Output_data_group): Update constructor
11362         declaration.  Rename input_sections_ to input_shndxes_.
11363         * testsuite/many_sections_test.cc: Add template.
11364
11365 2008-04-30  Cary Coutant  <ccoutant@google.com>
11366
11367         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11368
11369         * layout.cc (Layout::include_section): Refactored check for debug
11370         info section.
11371         (Layout::add_comdat): Add new parameters.  Change type
11372         of signature parameter.  Add object and shndx to signatures table.
11373         (Layout::find_kept_object): New function.
11374         * layout.h: Include <cstring>.
11375         (Layout::is_debug_info_section): New function.
11376         (Layout::add_comdat): Add new parameters.
11377         (Layout::find_kept_object): New function.
11378         (Layout::Kept_section): New struct.
11379         (Layout::Signatures): Change type of map range.
11380         * object.cc (Relobj::output_section_address): New function.
11381         (Sized_relobj::include_section_group): Add new parameters.  Change
11382         calls to Layout::add_comdat.  Change to build table of kept comdat
11383         groups and table mapping discarded sections to kept sections.
11384         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11385         (Sized_relobj::do_layout): Change calls to include_section_group and
11386         include_linkonce_section.
11387         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11388         value to zero when section is discarded.
11389         (Sized_relobj::map_to_kept_section): New function.
11390         * object.h (Relobj::output_section_address): New function.
11391         (Relobj::Comdat_group): New type.
11392         (Relobj::find_comdat_group): New function.
11393         (Relobj::Comdat_group_table): New type.
11394         (Relobj::Kept_comdat_section): New type.
11395         (Relobj::Kept_comdat_section_table): New type.
11396         (Relobj::add_comdat_group): New function.
11397         (Relobj::set_kept_comdat_section): New function.
11398         (Relobj::get_kept_comdat_section): New function.
11399         (Relobj::comdat_groups_): New field.
11400         (Relobj::kept_comdat_sections_): New field.
11401         (Symbol_value::input_value): Update comment.
11402         (Sized_relobj::map_to_kept_section) New function.
11403         (Sized_relobj::include_linkonce_section): Add new parameter.
11404         * target-reloc.h (Comdat_behavior): New type.
11405         (get_comdat_behavior): New function.
11406         (relocate_section): Add code to map a discarded section to the
11407         corresponding kept section when applying a relocation.
11408
11409 2008-04-30  Craig Silverstein  <csilvers@google.com>
11410
11411         * dwarf_reader.cc (next_generation_count): New static var.
11412         (Addr2line_cache_entry): New struct.
11413         (addr2line_cache): New static var.
11414         (Dwarf_line_info::one_addr2line): Added caching.
11415         (Dwarf_line_info::clear_addr2line_cache): New function.
11416         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11417         cache-size parameter.
11418         (Dwarf_line_info::one_addr2line_cache): New function.
11419         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11420         new cache-size argument to one_addr2line(), and clear cache.
11421
11422 2008-04-28  Cary Coutant  <ccoutant@google.com>
11423
11424         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11425         R_386_PC8 relocations.
11426
11427 2008-04-23  Ian Lance Taylor  <iant@google.com>
11428
11429         * object.cc (Sized_relobj::include_section_group): Check for
11430         invalid section group.
11431
11432         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11433         header size.
11434
11435         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11436         than read for file header.
11437         * archive.cc (Archive::include_member): Likewise.
11438
11439 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11440
11441         * aclocal.m4: Regenerate.
11442         * configure: Regenerate.
11443
11444 2008-04-19  Ian Lance Taylor  <iant@google.com>
11445
11446         * version.cc (version_string): Bump to 1.6.
11447
11448         * testsuite/Makefile.am (many_sections_r_test): New target.
11449         (many_sections_r_test_SOURCES): Remove.
11450         (many_sections_r_test_DEPENDENCIES): Remove.
11451         (many_sections_r_test_LDFLAGS): Remove.
11452         (many_sections_r_test_LDADD): Remove.
11453
11454         * object.cc (Sized_relobj::do_add_symbols): Always pass
11455         local_symbol_count_ to add_from_relobj.
11456
11457         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11458         every thousand variables.
11459         * testsuite/Makefile.in: Rebuild.
11460
11461         * object.cc (Xindex::initialize_symtab_xindex): New function.
11462         (Xindex::read_symtab_xindex): New function.
11463         (Xindex::sym_xindex_to_shndx): New function.
11464         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11465         available.
11466         (Sized_relobj::do_initialize_xindex): New function.
11467         (Sized_relobj::do_read_symbols): Adjust section links.
11468         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11469         parameter.  Change all callers.
11470         (Sized_relobj::include_section_group): Adjust section links and
11471         symbol section indexes.
11472         (Sized_relobj::do_layout): Adjust section links.
11473         (Sized_relobj::do_count_local_symbols): Adjust section links and
11474         symbol section indexes.
11475         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11476         ordinary and special symbols.
11477         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11478         dynsym_xindex parameters.  Change all callers.  Adjust section
11479         links.  Use SHN_XINDEX when needed.
11480         (Sized_relobj::get_symbol_location_info): Adjust section links.
11481         Don't get fooled by special symbols.
11482         * object.h (class Xindex): Define.
11483         (class Object): Add xindex_ parameter.  Declare virtual functoin
11484         do_initialize_xindex.
11485         (Object::adjust_sym_shndx): New function.
11486         (Object::set_xindex): New protected function.
11487         (class Symbol_value): Add is_ordinary_shndx_ field.
11488         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11489         (Symbol_value::value): Assert ordinary section.
11490         (Symbol_value::initialize_input_to_output_map): Likewise.
11491         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11492         Change all callers.
11493         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11494         all callers.
11495         (class Sized_relobj): Update declarations.
11496         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11497         parameter.  Change all callers.
11498         (Sized_relobj::adjust_shndx): New function.
11499         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11500         field.
11501         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11502         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11503         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11504         (Sized_dynobj::read_dynsym_section): Adjust section links.
11505         (Sized_dynobj::read_dynamic): Likewise.
11506         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11507         section links.
11508         (Sized_dynobj::do_initialize_xindex): New function.
11509         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11510         do_initialize_xindex.
11511         (Sized_dynobj::adjust_shndx): New function.
11512         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11513         dynsym_xindex_ fields.
11514         (Layout::finalize): Add a call to set_section_indexes before
11515         creating the symtab sections.
11516         (Layout::set_section_indexes): Don't do anything if the section
11517         already has a section index.
11518         (Layout::create_symtab_sections): Add shnum parameter.  Change
11519         caller.  Create .symtab_shndx section if needed.
11520         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11521         caller.
11522         (Layout::allocated_output_section_count): New function.
11523         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11524         needed.
11525         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11526         fields.  Update declarations.
11527         (Layout::symtab_xindex): New function.
11528         (Layout::dynsym_xindex): New function.
11529         (class Write_symbols_task): Add layout_ field.
11530         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11531         Change caller.
11532         * output.cc (Output_section_headers::Output_section_headers): Add
11533         shstrtab_section parameter.  Change all callers.
11534         (Output_section_headers::do_sized_write): Store overflow values
11535         for section count and section string table section index in
11536         section header zero.
11537         (Output_file_header::do_sized_write): Check for overflow of
11538         section count and section string table section index.
11539         (Output_symtab_xindex::do_write): New function.
11540         (Output_symtab_xindex::endian_do_write): New function.
11541         * output.h (class Output_section_headers): Add shstrtab_section_.
11542         Update declarations.
11543         (class Output_symtab_xindex): Define.
11544         (Output_section::has_out_shndx): New function.
11545         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11546         field.
11547         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11548         Change all callers.
11549         (Sized_symbol::init): Likewise.
11550         (Symbol::output_section): Check for ordinary symbol.
11551         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11552         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11553         callers.
11554         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11555         Change all callers.  Simplify handling of symbols from sections
11556         not included in the link.
11557         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11558         distinction.
11559         (Weak_alias_sorter::operator()): Assert that symbols are
11560         ordinary.
11561         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11562         distinction.
11563         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11564         parameters.  Change all callers.
11565         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11566         symbol distinction.  Use SHN_XINDEX when needed.
11567         (Symbol_table::write_section_symbol): Add symtab_xindex
11568         parameter.  Change all callers.
11569         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11570         SHN_XINDEX when needed.
11571         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11572         declarations.
11573         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11574         (Symbol::is_defined): Check is_ordinary.
11575         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11576         (Symbol::is_absolute, Symbol::is_common): Likewise.
11577         (class Sized_symbol): Update declarations.
11578         (class Symbol_table): Update declarations.
11579         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11580         parameters.  Change all callers.
11581         (Sized_symbol::override): Likewise.
11582         (Symbol_table::override): Likewise.
11583         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11584         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11585         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11586         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11587         to be in an ordinary section.
11588         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11589         object and is_ordinary parameters.  Change all callers.
11590         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11591         Change all callers.  Don't add undefined or non-ordinary symbols
11592         to reloc_map_.
11593         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11594         Change all callers.
11595         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11596         declarations.
11597         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11598         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11599         (Sized_relobj::relocate_sections): Likewise.
11600         * target-reloc.h (scan_relocs): Adjust section symbol index.
11601         (scan_relocatable_relocs): Likewise.
11602         * i386.cc (Scan::local): Check for ordinary symbols.
11603         * sparc.cc (Scan::local): Likewise.
11604         * x86_64.cc (Scan::local): Likewise.
11605         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11606         to symbol_section_and_value.
11607         * testsuite/many_sections_test.cc: New file.
11608         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11609         (check_PROGRAMS): Add many_sections_test.
11610         (many_sections_test_SOURCES): Define.
11611         (many_sections_test_DEPENDENCIES): Define.
11612         (many_sections_test_LDFLAGS): Define.
11613         (BUILT_SOURCES): Add many_sections_define.h.
11614         (many_sections_define.h): New target.
11615         (BUILT_SOURCES): Add many_sections_check.h.
11616         (many_sections_check.h): New target.
11617         (check_PROGRAMS): Add many_sections_r_test.
11618         (many_sections_r_test_SOURCES): Define.
11619         (many_sections_r_test_DEPENDENCIES): Define.
11620         (many_sections_r_test_LDFLAGS): Define.
11621         (many_sections_r_test_LDADD): Define.
11622         (many_sections_r_test.o): New target.
11623         * testsuite/Makefile.in: Rebuild.
11624
11625 2008-04-17  Cary Coutant  <ccoutant@google.com>
11626
11627         * errors.cc (Errors::info): New function.
11628         (gold_info): New function.
11629         * errors.h (Errors::info): New function.
11630         * gold.h (gold_info): New function.
11631         * object.cc (Input_objects::add_object): Print trace output.
11632         * options.cc (options::parse_set): New function.
11633         (General_options::parse_wrap): Deleted.
11634         (General_options::General_options): Deleted initializer.
11635         * options.h (options::String_set): New typedef.
11636         (options::parse_set): New function.
11637         (DEFINE_set): New macro.
11638         (General_options::wrap): Changed to use DEFINE_set. Changed
11639         callers of any_wrap_symbols and is_wrap_symbol.
11640         (General_options::trace, General_options::trace_symbol):
11641         New options.
11642         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11643         (General_options::wrap_symbols_): Deleted.
11644         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11645
11646 2008-04-17  David S. Miller  <davem@davemloft.net>
11647
11648         * options.cc (General_options::parse_V): New function.
11649         * options.h: Add entries for -V and -Qy.
11650
11651 2008-04-17  Ian Lance Taylor  <iant@google.com>
11652
11653         * common.cc (Symbol_table::allocate_commons): Remove options
11654         parameter.  Change caller.
11655         (Symbol_table::do_allocate_commons): Remove options parameter.
11656         Change caller.  Just call do_allocate_commons_list twice.
11657         (Symbol_table::do_allocate_commons_list): New function, broken out
11658         of do_allocate_commons.
11659         * common.h (class Allocate_commons_task): Remove options_ field.
11660         Update constructor.
11661         * symtab.cc (Symbol_table::Symbol_table): Initialize
11662         tls_commons_.
11663         (Symbol_table::add_from_object): Put TLS common symbols on
11664         tls_commons_ list.
11665         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11666         which are IN_OUTPUT_DATA.
11667         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11668         allocate_commons and do_allocate_commons declarations.  Declare
11669         do_allocate_commons_list.
11670         * gold.cc (queue_middle_tasks): Update creation of
11671         Allocate_commons_task to not pass options.
11672         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11673         (TLS_TEST_C_FLAGS): New variable.
11674         (tls_test_c_pic.o): New target.
11675         (tls_test_shared.so): Link in tls_test_c_pic.o.
11676         (tls_test_c_pic_ie.o): New target.
11677         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11678         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11679         (tls_test_c.o): New target.
11680         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11681         (tls_pic_test_LDADD): Likewise.
11682         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11683         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11684         (tls_test_c_gnu2.o): New target.
11685         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11686         tls_test_c_gnu2.o.
11687         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11688         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11689         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11690         * testsuite/tls_test.cc: Include "config.h".
11691         (t_last): Call t11_last.
11692         * testsuite/tls_test.h (t11, t11_last): Declare.
11693         * testsuite/tls_test_c.c: New file.
11694         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11695         * configure.ac: Check for OpenMP support.
11696         * configure, config.in, Makefile.in: Rebuild.
11697         * testsuite/Makefile.in: Rebuild.
11698
11699 2008-04-16  Cary Coutant  <ccoutant@google.com>
11700
11701         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11702         (Target_i386::tls_base_symbol_defined_): New field.
11703         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11704         (Target_i386::Scan::global): Likewise.
11705         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11706         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11707         (Target_x86_64::tls_base_symbol_defined_): New field.
11708         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11709         (Target_x86_64::Scan::global): Likewise.
11710
11711 2008-04-16  Cary Coutant  <ccoutant@google.com>
11712
11713         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11714         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11715         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11716         building shared libraries.
11717         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11718         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11719         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11720         * testsuite/Makefile.in: Rebuild.
11721         * testsuite/weak_undef.h: New file.
11722         * testsuite/weak_undef_file1.cc: Add extra test cases.
11723         * testsuite/weak_undef_file2.cc: Likewise.
11724         * testsuite/weak_undef_test.cc: Likewise.
11725
11726 2008-04-16  David S. Miller  <davem@davemloft.net>
11727
11728         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11729         Add issued_non_pic_error_ field.  Declare check_non_pic.
11730         (Target_sparc::Scan::check_non_pic): New function.
11731         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11732         (Target_sparc::Scan::global): Likewise.
11733
11734         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11735         * configure: Rebuild.
11736
11737         * options.h (DEFINE_enable): New macro.
11738         (new_dtags): New enable option.
11739         (initfirst, interpose, loadfltr, nodefaultlib,
11740         nodelete, nodlopen, nodump): New -z options.
11741         * layout.cc (Layout:finish_dynamic_section): If new
11742         dtags enabled, emit DT_RUNPATH.  Also, emit a
11743         DT_FLAGS_1 containing any specified -z flags.
11744
11745 2008-04-16  Ian Lance Taylor  <iant@google.com>
11746
11747         * copy-relocs.cc: New file.
11748         * copy-relocs.h: New file.
11749         * reloc.cc: Remove Copy_relocs code.
11750         * reloc.h: Likewise.
11751         * reloc-types.h (struct Reloc_types) [both versions]: Add
11752         get_reloc_addend_noerror.
11753         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11754         variants of add_global which take an addend which must be zero.
11755         * i386.cc: Include "copy-relocs.h".
11756         (class Target_i386): Change type of copy_relocs_ to variable,
11757         update initializer.
11758         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11759         Change all callers.
11760         (Target_i386::do_finalize_sections): Change handling of
11761         copy_relocs_.
11762         * sparc.cc: Include "copy-relocs.h".
11763         (class Target_sparc): Change type of copy_relocs_ to variable,
11764         update initializer.
11765         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11766         Change all callers.
11767         (Target_sparc::do_finalize_sections): Change handling of
11768         copy_relocs_.
11769         * x86_64.cc: Include "copy-relocs.h".
11770         (class Target_x86_64): Change type of copy_relocs_ to variable,
11771         update initializer.
11772         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11773         class.  Change all callers.
11774         (Target_x86_64::do_finalize_sections): Change handling of
11775         copy_relocs_.
11776         * Makefile.am (CCFILES): Add copy-relocs.cc.
11777         (HFILES): Add copy-relocs.h.
11778
11779         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11780
11781         * testsuite/script_test_4.sh: Permit leading zeroes.
11782
11783 2008-04-15  Ian Lance Taylor  <iant@google.com>
11784
11785         * script-sections.cc (Script_sections::create_segments): Use
11786         header_size_adjustment even when there is enough room for the
11787         headers.
11788         * testsuite/script_test_4.sh: New file.
11789         * testsuite/script_test_4.t: New file.
11790         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11791         (check_DATA): Add script_test_4.stdout.
11792         (MOSTLYCLEANFILES): Likewise.
11793         (script_test_4): New target.
11794         (script_test_4.stdout): New target.
11795         * testsuite/Makefile.in: Rebuild.
11796
11797         * sparc.cc: Add definitions for Output_data_plt_sparc class
11798         constants.
11799
11800 2008-04-14  David S. Miller  <davem@davemloft.net>
11801
11802         * sparc.cc: New file.
11803         * Makefile.am (TARGETSOURCES): Add sparc.cc
11804         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11805         * configure.tgt: Document targ_extra_size and
11806         targ_extra_big_endian.  Add entries for sparc-* and
11807         sparc64-*.
11808         * configure.ac: Handle targ_extra_size and
11809         targ_extra_big_endian.
11810         * Makefile.in: Rebuild.
11811         * configure: Likewise.
11812         * po/POTFILES.in: Likewise.
11813         * po/gold.pot: Likewise.
11814
11815 2008-04-14  Ian Lance Taylor  <iant@google.com>
11816
11817         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11818         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11819         in the name/type/flags to section mapping.  Don't call
11820         allocate_output_section.
11821         (Layout::choose_output_section): Change parameter from adjust_name
11822         to is_input_section.  Don't permit input sections after sections
11823         are attached to segments.  Don't call allocate_output_section.
11824         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11825         not write_enable_output_section.
11826         (Layout::make_output_section): Don't push to
11827         unattached_section_list_ nor call attach_to_segment.  Call
11828         attach_section_to_segment if sections are attached.
11829         (Layout::attach_sections_to_segments): New function.
11830         (Layout::attach_section_to_segment): New function.
11831         (Layout::attach_allocated_section_to_segment): Rename from
11832         attach_to_segment.  Remove flags parameter.
11833         (Layout::allocate_output_section): Remove function.
11834         (Layout::write_enable_output_section): Remove function.
11835         * layout.h (class Layout): Update for above changes.  Add new
11836         field sections_are_attached_.
11837         * output.h (Output_section::update_flags_for_input_section): New
11838         function.
11839         * output.cc (Output_section::add_input_section): Call
11840         update_flags_for_input_section.
11841         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11842
11843 2008-04-11  Cary Coutant  <ccoutant@google.com>
11844
11845         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11846         thought unnecessary.
11847         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11848
11849 2008-04-11  Ian Lance Taylor  <iant@google.com>
11850
11851         * output.h (class Output_section_data): Remove inline definition
11852         of set_addralign.
11853         * output.cc (Output_section_data::set_addralign): New function.
11854
11855 2008-04-11  Cary Coutant  <ccoutant@google.com>
11856
11857         Add support for TLS descriptors for i386 and x86_64.
11858         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11859         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11860         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11861         GOT_TYPE_TLS_DESC.
11862         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11863         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11864         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11865         relocations.
11866         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11867         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11868         Fix problem with initial-exec relocations.
11869         (Target_i386::Relocate::relocate_tls): Likewise.
11870         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11871         relaxation.
11872         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11873         support for section-plus-offset dynamic table entries.
11874         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11875         (Output_data_dynamic::Dynamic_entry): Add support for
11876         section-plus-offset dynamic table entries.
11877         (Output_data_dynamic::Classification): Likewise.
11878         (Output_data_dynamic::classification_): Renamed offset_.
11879         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11880         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11881         (Target_x86_64::make_plt_section): New function.
11882         (Target_x86_64::reserve_tlsdesc_entries): New function.
11883         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11884         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11885         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11886         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11887         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11888         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11889         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11890         add extra PLT entry for TLS descriptors.
11891         (Output_data_plt_x86_64::got_): New field.
11892         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11893         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11894         fields.
11895         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11896         descriptors.
11897         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11898         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11899         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11900         R_386_TLS_DESC_CALL relocations.
11901         (Target_x86_64::Scan::global): Likewise.
11902         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11903         for TLS descriptors.
11904         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11905         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11906         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11907         GD-to-IE relaxation.
11908         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11909         and TLS_DESCRIPTORS.
11910         * Makefile.in: Rebuild.
11911         * configure: Rebuild.
11912         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11913         (tls_test_shared2.so): New target.
11914         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11915         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11916         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11917         (tls_shared_gd_to_ie_test_LDADD): New variable.
11918         (tls_shared_gnu2_gd_to_ie_test): New target.
11919         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11920         New targets.
11921         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11922         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11923         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11924         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11925         (tls_shared_gnu2_test): New target.
11926         (tls_test_gnu2_shared.so): New target.
11927         (tls_shared_gnu2_test_SOURCES): New variable.
11928         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11929         (tls_shared_gnu2_test_LDFLAGS): New variable.
11930         (tls_shared_gnu2_test_LDADD): New variable.
11931         * testsuite/Makefile.in: Rebuild.
11932         * testsuite/Makefile.
11933
11934 2008-04-11  Ian Lance Taylor  <iant@google.com>
11935
11936         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11937         justsyms.t.
11938         * testsuite/Makefile.in: Rebuild.
11939
11940         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11941         long.
11942         * testsuite/script_test_2.cc (main): Adjust test.
11943
11944 2008-04-11  David S. Miller  <davem@davemloft.net>
11945             Ian Lance Taylor  <iant@google.com>
11946
11947         * options.h (General_options): Add entries for '-Y' and
11948         '-relax'.
11949         * options.cc (General_options:finalize): If -Y was used, add those
11950         entries to the library path instead of the default "/lib" and
11951         "/usr/lib".
11952
11953 2008-04-11  David S. Miller  <davem@davemloft.net>
11954
11955         * testsuite/justsyms.t: Start at 0x100.
11956         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11957         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11958         long.
11959         * testsuite/script_test_2.cc: Adjust string and section length
11960         checks.
11961
11962 2008-04-09  Ian Lance Taylor  <iant@google.com>
11963
11964         PR gold/5996
11965         * script-sections.cc (Sections_element::allocate_to_segment): Add
11966         orphan parameter.
11967         (Output_section_definition::allocate_to_segment): Likewise.
11968         (Orphan_output_section::allocate_to_segment): Likewise.
11969         (Script_sections::attach_sections_using_phdrs_clause): Don't
11970         propagate non-PT_LOAD segments to orphan sections.
11971         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11972         readelf rather than objdump.
11973         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11974         .interp section and PT_INTERP segment are the same size.
11975         * testsuite/Makefile.in: Rebuild.
11976
11977         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11978         aliases for symbols defined in the same object.
11979         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11980         (weak_alias_test_SOURCES): New variable.
11981         (weak_alias_test_DEPENDENCIES): New variable.
11982         (weak_alias_test_LDFLAGS): New variable.
11983         (weak_alias_test_LDADD): New variable.
11984         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11985         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11986         (weak_alias_test_3.o): New target.
11987         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11988         * testsuite/weak_alias_test_main.cc: New file.
11989         * testsuite/weak_alias_test_1.cc: New file.
11990         * testsuite/weak_alias_test_2.cc: New file.
11991         * testsuite/weak_alias_test_3.cc: New file.
11992
11993 2008-04-08  Ian Lance Taylor  <iant@google.com>
11994
11995         * options.h (class General_options): Add --noinhibit-exec option.
11996         * main.cc (main): Check --noinhibit-exec.
11997
11998         * options.h (class General_options): Define --wrap as a special
11999         option.  Add wrap_symbols_ field.
12000         (General_options::any_wrap_symbols): New function.
12001         (General_options::is_wrap_symbol): New function.
12002         * options.cc (General_options::parse_wrap): New function.
12003         (General_options::General_options): Initialize wrap_symbols_.
12004         * symtab.cc (Symbol_table::wrap_symbol): New function.
12005         (Symbol_table::add_from_object): Handle --wrap.
12006         * symtab.h (class Symbol_table): Declare wrap_symbol.
12007         * target.h (Target::wrap_char): New function.
12008         (Target::Target_info): Add wrap_char field.
12009         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12010         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12011         * testsuite/testfile.cc (Target_test::test_target_info):
12012         Likewise.
12013
12014         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12015         there is one.
12016
12017         * layout.h (class Layout): Add added_eh_frame_data_ field.
12018         * layout.cc (Layout::Layout): Initialize new field.
12019         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12020         output section until we find a section we merged successfully.
12021         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12022         that the size be non-zero.
12023
12024         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12025         qualifier.
12026
12027 2008-04-08  Craig Silverstein  <csilvers@google.com>
12028
12029         * configure.ac: Export new conditional variable HAVE_ZLIB.
12030         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12031         on HAVE_ZLIB.
12032         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12033         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12034
12035 2008-04-07  Ian Lance Taylor  <iant@google.com>
12036
12037         * version.cc (version_string): Set to "1.5".
12038
12039         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12040         Add issued_non_pic_error_ field.  Declare check_non_pic.
12041         (Target_x86_64::Scan::check_non_pic): New function.
12042         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12043         (Target_x86_64::Scan::global): Likewise.
12044
12045         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12046         addend parameter.  Change caller.  Handle merge sections.
12047         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12048         Address to Addend.  Don't add in the result of
12049         local_section_offset, pass down the addend and use the returned
12050         value.
12051         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12052         Update declarations of local_section_offset and symbol_value.
12053         * testsuite/two_file_test_1.cc (t18): New function.
12054         * testsuite/two_file_test_2.cc (f18): New function.
12055         * testsuite/two_file_test_main.cc (main): Call t18.
12056         * testsuite/two_file_test.h (t18, f18): Declare.
12057
12058         * configure.ac: Don't test for objdump, c++filt, or readelf.
12059         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12060         conditionals.
12061         (TEST_READELF): New variable.
12062         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12063         (check_PROGRAMS): Add two_file_strip_test.
12064         (two_file_strip_test): New target.
12065         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12066         (two_file_same_shared_strip_test_SOURCES): New variable.
12067         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12068         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12069         (two_file_same_shared_strip_test_LDADD): New variable.
12070         (two_file_shared_strip.so): New target.
12071         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12072         (ver_test_5.syms, ver_test_7.syms): Likewise.
12073         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12074         (strip_test_3.stdout): Use TEST_OBJDUMP.
12075         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12076
12077 2008-04-04  Cary Coutant  <ccoutant@google.com>
12078
12079         * symtab.h (Symbol::is_weak_undefined): New function.
12080         (Symbol::is_strong_undefined): New function.
12081         (Symbol::is_absolute): New function.
12082         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12083         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12084         absolute symbols.
12085         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12086         (weak_undef_test): New target.
12087         * testsuite/Makefile.in: Rebuild.
12088         * testsuite/weak_undef_file1.cc: New file.
12089         * testsuite/weak_undef_file2.cc: New file.
12090         * testsuite/weak_undef_test.cc: New file.
12091
12092 2008-04-03  Craig Silverstein  <csilvers@google.com>
12093
12094         * compressed_output.h (class Output_compressed_section): Use
12095         unsigned buffer.
12096         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12097         add zlib header.
12098         (zlib_compressed_suffix): Removed.
12099         (Output_compressed_section::set_final_data_size): Use unsigned
12100         buffers.
12101         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12102         Fix linker invocation.
12103         (flagstest_o_specialfile_and_compress_debug_sections):
12104         Likewise.
12105         * testsuite/Makefile.in: Regenerated.
12106
12107 2008-04-02  David S. Miller  <davem@davemloft.net>
12108
12109         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12110         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12111
12112 2008-04-02  Craig Silverstein  <csilvers@google.com>
12113
12114         * TODO: New file.
12115
12116 2008-04-02  Ian Lance Taylor  <iant@google.com>
12117
12118         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12119         parameters.  Update for new key type to views_.  Change all
12120         callers.
12121         (File_read::read): Adjust for byteshift in returned view.
12122         (File_read::add_view): New function, broken out of
12123         find_and_make_view.
12124         (File_read::make_view): New function, broken out of
12125         find_and_make_view.
12126         (File_read::find_or_make_view): Add offset and aligned
12127         parameters.  Rewrite accordingly.  Change all callers.
12128         (File_read::get_view): Add offset and aligned parameters.  Adjust
12129         for byteshift in return value.
12130         (File_read::get_lasting_view): Likewise.
12131         * fileread.h (class File_read): Update declarations.
12132         (class File_read::View): Add byteshift_ field.  Add byteshift to
12133         constructor.  Add byteshift method.
12134         * archive.h (Archive::clear_uncached_views): New function.
12135         (Archive::get_view): Add aligned parameter.  Change all callers.
12136         * object.h (Object::get_view): Add aligned parameter.  Change all
12137         callers.
12138         (Object::get_lasting_view): Likewise.
12139
12140         * fileread.cc (File_read::release): Don't call clear_views if
12141         there are multiple objects.
12142         * fileread.h (File_read::clear_uncached_views): New function.
12143         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12144         on the archive.
12145
12146 2008-03-31  Cary Coutant  <ccoutant@google.com>
12147
12148         Add thin archive support.
12149         * archive.cc (Archive::armagt): New const.
12150         (Archive::setup): Remove task parameter and calls to unlock.
12151         (Archive::unlock_nested_archives): New function.
12152         (Archive::read_header): Add nested_off parameter. Change
12153         all callers.
12154         (Archive::interpret_header): Likewise.
12155         (Archive::include_all_members): Change to handle thin
12156         archives.
12157         (Archive::include_member): Likewise.
12158         * archive.h (Archive::Archive): Add new parameters and
12159         initializers.
12160         (Archive::armagt): New const.
12161         (Archive::setup): Remove task parameter.
12162         (Archive::unlock_nested_archives): New function.
12163         (Archive::read_header): Add nested_off parameter.
12164         (Archive::interpret_header): Likewise.
12165         (Archive::Nested_archive_table): New typedef.
12166         (Archive::is_thin_archive_): New field.
12167         (Archive::nested_archives_): New field.
12168         (Archive::options_): New field.
12169         (Archive::dirpath_): New field.
12170         (Archive::task_): New field.
12171         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12172         for thin archives.  Pass additional parameters to
12173         Archive::Archive.  Unlock the archive file after calling
12174         Archive::setup.
12175
12176 2008-03-29  Ian Lance Taylor  <iant@google.com>
12177
12178         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12179         version symbol to be local.
12180         * testsuite/ver_test_4.sh: New file.
12181         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12182         (check_DATA): Add ver_test_4.syms.
12183         (ver_test_4.syms): New target.
12184         * testsuite/Makefile.in: Rebuild.
12185
12186         * output.cc
12187         (Output_section::Input_section_sort_entry::has_priority): New
12188         function.
12189         (Output_section::Input_section_sort_entry::match_file_name): New
12190         function.
12191         (Output_section::Input_section_sort_entry::match_section_name):
12192         Remove.
12193         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12194         Remove.
12195         (Output_section::Input_section_sort_entry::match_section_file):
12196         Remove.
12197         (Output_section::Input_section_sort_compare::operator()): Rewrite
12198         using new Input_section_sort_entry functions.  Sort crtbegin and
12199         crtend first.  Sort sections with no priority before sections with
12200         a priority.
12201         * testsuite/initpri1.c (d3): Check j != 4.
12202         (cd5): New constructor/destructor function.
12203         (main): Check j != 2.
12204
12205         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12206         new symbol when resolving, don't call set_is_default.
12207         * testsuite/ver_test_7.cc: New file.
12208         * testsuite/ver_test_7.sh: New file.
12209         * testsuite/Makefile.am (ver_test_7.so): New target.
12210         (ver_test_7.o): New target.
12211         (check_SCRIPTS): Add ver_test_7.sh.
12212         (check_DATA): Add ver_test_7.syms.
12213         (ver_test_7.syms): New target.
12214
12215 2008-03-28  Ian Lance Taylor  <iant@google.com>
12216
12217         * layout.cc (Layout::layout): If we see an input section with a
12218         name that needs sorting, set the must_sort flag for the output
12219         section.
12220         (Layout::make_output_section): If the name of the output section
12221         indicates that it might require sorting, set the may_sort flag.
12222         * output.h (Output_section::may_sort_attached_input_sections): New
12223         function.
12224         (Output_section::set_may_sort_attached_input_sections): New
12225         function.
12226         (Output_section::must_sort_attached_input_sections): New
12227         function.
12228         (Output_section::set_must_sort_attached_input_sections): New
12229         function.
12230         (class Output_section): Declare Input_section_sort_entry.  Define
12231         Input_section_sort_compare.  Declare
12232         sort_attached_input_sections.  Add new fields:
12233         may_sort_attached_input_sections_,
12234         must_sort_attached_input_sections_,
12235         attached_input_sections_are_sorted_.
12236         * output.cc (Output_section::Output_section): Initialize new
12237         fields.
12238         (Output_section::add_input_section): Add an entry to
12239         input_sections_ if may_sort or must_sort are true.
12240         (Output_section::set_final_data_size): Call
12241         sort_attached_input_sections if necessary.
12242         (Output_section::Input_section_sort_entry): Define new class.
12243         (Output_section::Input_section_sort_compare::operator()): New
12244         function.
12245         (Output_section::sort_attached_input_sections): New function.
12246         * configure.ac: Check whether the compiler supports constructor
12247         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12248         * testsuite/initpri1.c: New file.
12249         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12250         CONSTRUCTOR_PRIORITY.
12251         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12252         (initpri1_LDFLAGS): New variable.
12253         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12254
12255 2008-03-27  Ian Lance Taylor  <iant@google.com>
12256
12257         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12258         * testsuite/common_test_1.c: New file.
12259         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12260         (common_test_1_SOURCES): New variable.
12261         (common_test_1_DEPENDENCIES): New variable.
12262         (common_test_1_LDFLAGS): New variable.
12263
12264         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12265         and commons_ correctly when NAME/VERSION does not override
12266         NAME/NULL.
12267         * testsuite/ver_test_6.c: New file.
12268         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12269         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12270         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12271
12272 2008-03-26  Ian Lance Taylor  <iant@google.com>
12273
12274         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12275         of an undefined symbol from a version script.
12276         * testsuite/Makefile.am (ver_test_5.so): New target.
12277         (ver_test_5.o): New target.
12278         (check_SCRIPTS): Add ver_test_5.sh.
12279         (check_DATA): Add ver_test_5.syms.
12280         (ver_test_5.syms): New target.
12281         * testsuite/ver_test_5.cc: New file.
12282         * testsuite/ver_test_5.script: New file.
12283         * testsuite/ver_test_5.sh: New file.
12284         * Makefile.in, testsuite/Makefile.in: Rebuild.
12285
12286         PR gold/5986
12287         Fix problems building gold with gcc 4.3.0.
12288         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12289         (gold_error_at_location, gold_warning_at_location): Use it.
12290         * configure.ac: Check whether we can compile and use a template
12291         function with a printf attribute.
12292         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12293         when jumping over bytes.
12294         * object.cc: Instantiate Object::read_section_data.
12295         * debug.h: Include <cstring>
12296         * dwarf_reader.cc: Include <algorithm>
12297         * main.cc: Include <cstring>.
12298         * options.cc: Include <cstring>.
12299         * output.cc: Include <cstring>.
12300         * script.cc: Include <cstring>.
12301         * script.h: Include <string>.
12302         * symtab.cc: Include <cstring> and <algorithm>.
12303         * target-select.cc: Include <cstring>.
12304         * version.cc: Include <string>.
12305         * testsuite/testmain.cc: Include <cstdlib>.
12306         * configure, config.in: Rebuild.
12307
12308 2008-03-25  Ian Lance Taylor  <iant@google.com>
12309
12310         * options.cc: Include "../bfd/bfdver.h".
12311         (options::help): Print bug reporting address.
12312
12313         * version.cc (print_version): Adjust output for current value of
12314         BFD_VERSION_STRING.
12315
12316         * NEWS: New file.
12317
12318         * options.cc (options::help): Print list of supported targets.
12319         * target-select.h: Include <vector>.
12320         (class Target_selector): Make machine_, size_, and is_big_endian_
12321         fields const.  Add bfd_name_ and instantiated_target_ fields.
12322         (Target_selector::Target_selector): Add bfd_name parameter.
12323         (Target_selector::recognize): Make non-virtual, call
12324         do_recognize.
12325         (Target_selector::recognize_by_name): Make non-virtual, call
12326         do_recognize_by_name.
12327         (Target_selector::supported_names): New function.
12328         (Target_selector::bfd_name): New function.
12329         (Target_selector::do_instantiate_target): New pure virtual
12330         function.
12331         (Target_selector::do_recognize): New virtual function.
12332         (Target_selector::do_recognize_by_name): New virtual function.
12333         (Target_selector::instantiate_target): New private function.
12334         (supported_target_names): Declare.
12335         * target-select.cc (Target_selector::Target_selector): Update for
12336         new parameter and fields.
12337         (select_target_by_name): Check that the name matches before
12338         calling recognize_by_name.
12339         (supported_target_names): New function.
12340         * i386.cc (class Target_selector_i386): Update Target_selector
12341         constructor call.  Remove recognize and recognize_by_name.  Add
12342         do_instantiate_target.
12343         * x86_64.cc (class Target_selector_x86_64): Likewise.
12344         * testsuite/testfile.cc (class Target_selector_test): Update for
12345         changes to Target_selector.
12346
12347         * README: Rewrite, with some notes on unsupported features.
12348
12349 2008-03-24  Cary Coutant  <ccoutant@google.com>
12350
12351         * i386.cc (Target_i386::Got_type): New enum declaration.
12352         (Target_i386::Scan::local): Updated callers of Output_data_got
12353         member functions.
12354         (Target_i386::Scan::global): Likewise.
12355         (Target_i386::Relocate::relocate): Likewise.
12356         (Target_i386::Relocate::relocate_tls): Likewise.
12357         * object.h (Got_offset_list): New class.
12358         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12359         (Sized_relobj::local_got_offset): Likewise.
12360         (Sized_relobj::set_local_got_offset): Likewise.
12361         (Sized_relobj::local_has_tls_got_offset): Removed.
12362         (Sized_relobj::local_tls_got_offset): Removed.
12363         (Sized_relobj::set_local_tls_got_offset): Removed.
12364         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12365         * output.cc (Output_data_got::add_global): Added got_type parameter.
12366         (Output_data_got::add_global_with_rel): Likewise.
12367         (Output_data_got::add_global_with_rela): Likewise.
12368         (Output_data_got::add_global_pair_with_rel): New function.
12369         (Output_data_got::add_global_pair_with_rela): New function.
12370         (Output_data_got::add_local): Added got_type parameter.
12371         (Output_data_got::add_local_with_rel): Likewise.
12372         (Output_data_got::add_local_with_rela): Likewise.
12373         (Output_data_got::add_local_pair_with_rel): New function.
12374         (Output_data_got::add_local_pair_with_rela): New function.
12375         (Output_data_got::add_global_tls): Removed.
12376         (Output_data_got::add_global_tls_with_rel): Removed.
12377         (Output_data_got::add_global_tls_with_rela): Removed.
12378         (Output_data_got::add_local_tls): Removed.
12379         (Output_data_got::add_local_tls_with_rel): Removed.
12380         (Output_data_got::add_local_tls_with_rela): Removed.
12381         * output.h (Output_data_got::add_global): Added got_type parameter.
12382         (Output_data_got::add_global_with_rel): Likewise.
12383         (Output_data_got::add_global_with_rela): Likewise.
12384         (Output_data_got::add_global_pair_with_rel): New function.
12385         (Output_data_got::add_global_pair_with_rela): New function.
12386         (Output_data_got::add_local): Added got_type parameter.
12387         (Output_data_got::add_local_with_rel): Likewise.
12388         (Output_data_got::add_local_with_rela): Likewise.
12389         (Output_data_got::add_local_pair_with_rel): New function.
12390         (Output_data_got::add_local_pair_with_rela): New function.
12391         (Output_data_got::add_global_tls): Removed.
12392         (Output_data_got::add_global_tls_with_rel): Removed.
12393         (Output_data_got::add_global_tls_with_rela): Removed.
12394         (Output_data_got::add_local_tls): Removed.
12395         (Output_data_got::add_local_tls_with_rel): Removed.
12396         (Output_data_got::add_local_tls_with_rela): Removed.
12397         * resolve.cc (Symbol::override_base_with_special): Removed
12398         reference to has_got_offset_ field.
12399         * symtab.cc (Symbol::init_fields): Replaced initialization
12400         of got_offset_ with got_offsets_.  Removed initialization
12401         of has_got_offset_
12402         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12403         (Symbol::got_offset): Likewise.
12404         (Symbol::set_got_offset): Likewise.
12405         (Symbol::has_tls_got_offset): Removed.
12406         (Symbol::tls_got_offset): Removed.
12407         (Symbol::set_tls_got_offset): Removed.
12408         (Symbol::got_offset_): Removed.
12409         (Symbol::tls_mod_got_offset_): Removed.
12410         (Symbol::tls_pair_got_offset_): Removed.
12411         (Symbol::got_offsets_): New field.
12412         (Symbol::has_got_offset): Removed.
12413         (Symbol::has_tls_mod_got_offset): Removed.
12414         (Symbol::has_tls_pair_got_offset): Removed.
12415         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12416         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12417         member functions.
12418         (Target_x86_64::Scan::global): Likewise.
12419         (Target_x86_64::Relocate::relocate): Likewise.
12420         (Target_x86_64::Relocate::relocate_tls): Likewise.
12421
12422 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12423
12424         * yyscript.y: Fix spelling error in comment.
12425
12426 2008-03-24  Ian Lance Taylor  <iant@google.com>
12427
12428         * options.h (class General_options): Define build_id option.
12429         * layout.h (class Layout): Declare write_build_id, create_note,
12430         create_build_id.  Add build_id_note_ member.
12431         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12432         "libiberty.h", "md5.h", "sha1.h".
12433         (Layout::Layout): Initialize eh_frame_data_,
12434         eh_frame_hdr_section_, and build_id_note_.
12435         (Layout::finalize): Call create_build_id.
12436         (Layout::create_note): New function, broken out of
12437         Layout::create_gold_note.
12438         (Layout::create_gold_note): Call create_note.
12439         (Layout::create_build_id): New function.
12440         (Layout::write_build_id): New function.
12441         (Close_task_runner::run): Call write_build_id.
12442
12443         * x86_64.cc: Correct license to GPLv3.
12444
12445 2008-03-23  Ian Lance Taylor  <iant@google.com>
12446
12447         * options.cc: Include "demangle.h".
12448         (parse_optional_string): New function.
12449         (parse_long_option): Handle takes_optional_argument.
12450         (parse_short_option): Update dash_z initializer.  Handle
12451         takes_optional_argument.
12452         (General_options::General_options): Initialize do_demangle_.
12453         (General_options::finalize): Set do_demangle_.  Handle demangling
12454         style.
12455         * options.h (parse_optional_string): Declare.
12456         (struct One_option): Add optional_arg field.  Update constructor.
12457         Update call constructor calls.  Add takes_optional_argument
12458         function.
12459         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12460         (DEFINE_optional_string): Define.
12461         (General_options::demangle): Change from DEFINE_bool to
12462         DEFINE_optional_string.
12463         (General_options::no_demangle): New function.
12464         (General_options::do_demangle): New function.
12465         (General_options::set_do_demangle): New function.
12466         (General_options::execstack_status_): Move definition to end of
12467         class definition.
12468         (General_options::static_): Likewise.
12469         (General_options::do_demangle_): New field.
12470         * object.cc (big_endian>::get_symbol_location_info): Call
12471         Options::do_demangle, not Options::demangle.
12472         * symtab.cc (demangle): Likewise.
12473
12474 2008-03-22  Ian Lance Taylor  <iant@google.com>
12475
12476         * gold.h: Include <cstddef> and <sys/types.h>
12477         * options.h: Include <cstring>.
12478
12479 2008-03-21  Ian Lance Taylor  <iant@google.com>
12480
12481         * Added source code to GNU binutils.