gold/ChangeLog

   1 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
   4
   5 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
   6
   7         * configure.ac: Check if -mcmodel=medium works.
   8         * configure: Regenerated.
   9
  10 2012-01-24  Cary Coutant  <ccoutant@google.com>
  11
  12         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
  13         definition and ...
  14         (read_unsigned_LEB_128_x): ... this new function.
  15         (read_signed_LEB_128): Replaced with inline definition and ...
  16         (read_signed_LEB_128_x): ... this new function.
  17         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
  18         (read_unsigned_LEB_128): Add inline definition.
  19         (read_signed_LEB_128_x): New function.
  20         (read_signed_LEB_128): Add inline definition.
  21         * testsuite/Makefile.am (leb128_unittest): New unit test.
  22         * testsuite/Makefile.in: Regenerate.
  23         * testsuite/leb128_unittest.cc: New unit test.
  24
  25 2012-01-23  Ian Lance Taylor  <iant@google.com>
  26
  27         PR gold/13617
  28         * i386.cc (Target_i386::do_code_fill): When using a jmp
  29         instruction, pad with nop instructions.
  30         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
  31
  32 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
  33
  34         * x86_64.cc (gc_process_relocs): Add typename on types used in
  35         template.
  36         (scan_relocs): Likewise.
  37         (relocate_section): Likewise.
  38         (apply_relocation): Likewise.
  39
  40 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
  41
  42         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
  43         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
  44         under x32.
  45
  46 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
  47
  48         * x86_64.cc: Initial support for x32.
  49
  50 2012-01-03  Cary Coutant  <ccoutant@google.com>
  51
  52         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  53         Use abstract base class for GOT.
  54         * gold/output.h (class Output_data_got_base): New abstract base class.
  55         (class Output_data_got): Derive from new base class, adjust ctors.
  56         (Output_data_got::reserve_slot): Make virtual; rename to
  57         do_reserve_slot; Adjust callers.
  58         * gold/target.h (Sized_target::init_got_plt_for_update): Return
  59         pointer to abstract base class.
  60         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
  61
  62 2011-12-18  Ian Lance Taylor  <iant@google.com>
  63
  64         * object.h (Relobj::local_symbol_value): New function.
  65         (Relobj::local_plt_offset): New function.
  66         (Relobj::local_has_got_offset): New function.
  67         (Relobj::local_got_offset): New function.
  68         (Relobj::set_local_got_offset): New function.
  69         (Relobj::do_local_symbol_value): New pure virtual function.
  70         (Relobj::do_local_plt_offset): Likewise.
  71         (Relobj::do_local_has_got_offset): Likewise.
  72         (Relobj::do_local_got_offset): Likewise.
  73         (Relobj::do_set_local_got_offset): Likewise.
  74         (Sized_relobj::do_local_has_got_offset): Rename from
  75         local_has_got_offset.
  76         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
  77         (Sized_relobj::do_set_local_got_offset): Rename from
  78         set_local_got_offset.
  79         (Sized_relobj_file::do_local_plt_offset): Rename from
  80         local_plt_offset.
  81         (Sized_relobj_file::do_local_symbol_value): New function.
  82         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
  83         local_plt_offset.
  84         * output.cc (Output_data_got::Got_entry::write): Change object to
  85         Relobj.  Use local_symbol_value.
  86         (Output_data_got::add_global_with_rel): Change rel_dyn to
  87         Output_data_reloc_generic*.  Use add_global_generic.
  88         (Output_data_got::add_global_with_rela): Remove.  Change all
  89         callers to use add_global_with_rel.
  90         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
  91         Output_data_reloc_generic*.  Use add_global_generic.
  92         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
  93         callers to use add_global_pair_with_rel.
  94         (Output_data_got::add_local): Change object to Relobj*.
  95         (Output_data_got::add_local_plt): Likewise.
  96         (Output_data_got::add_local_with_rel): Change object to Relobj*,
  97         change rel_dyn to Output_data_reloc_generic*.  Use
  98         add_local_generic.
  99         (Output_data_got::add_local_with_rela): Remove.  Change all
 100         callers to use all_local_with_rel.
 101         (Output_data_got::add_local_pair_with_rel): Change object to
 102         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 103         add_output_section_generic.
 104         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 105         callers to use add_local_pair_with_rel.
 106         (Output_data_got::reserve_local): Change object to Relobj*.
 107         * output.h: (class Output_data_reloc_generic): Add pure virtual
 108         declarations for add_global_generic, add_local_generic,
 109         add_output_section_generic.
 110         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 111         functions for Output_data_reloc_generic.  Update declarations for
 112         changes listed in output.cc.
 113         (class Output_data_got): Change template parameter to got_size.
 114         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 115         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 116         function.
 117         (Sized_relobj_incr::do_local_plt_offset): New function.
 118         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 119         add_global_generic.
 120
 121 2011-12-17  Cary Coutant  <ccoutant@google.com>
 122
 123         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 124         * resolve.cc (Symbol_table::resolve): Likewise.
 125         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 126         arrays.
 127         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 128
 129 2011-12-16  Ian Lance Taylor  <iant@google.com>
 130
 131         * output.h (Output_data_reloc_generic::add): Only call
 132         add_dynamic_reloc if this is a dynamic reloc section.
 133
 134 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 135
 136         PR gold/13505
 137         * target-reloc.h (apply_relocation): Replace <64, false> with
 138         <size, big_endian>.
 139
 140 2011-11-25  Nick Clifton  <nickc@redhat.com>
 141
 142         * po/it.po: New Italian translation.
 143
 144 2011-11-17  Sterling Augustine  <saugustine@google.com>
 145
 146         * script.cc (script_include_directive): Implement.
 147         (read_script_file): New local variables name and search_path. Update
 148         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 149         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 150         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 151
 152 2011-11-11  Sterling Augustine  <saugustine@google.com>
 153
 154         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 155         (file_or_sections_cmd): Likewise.
 156
 157 2011-11-11  Doug Kwan  <dougkwan@google.com>
 158
 159         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 160         if --just-symbols is given.
 161
 162 2011-11-10  Doug Kwan  <dougkwan@google.com>
 163
 164         PR gold/13362
 165         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 166         when processing data relocs.
 167         * reloc.h (Relocate_functions::rel_unaligned): New method.
 168         (Relocate_functions::pcrel_unaligned): Ditto.
 169         (Relocate_functions::rel32_unaligned): Ditto.
 170         (Relocate_functions::pcrel32_unaligned): Ditto.
 171
 172 2011-11-09  Doug Kwan  <dougkwan@google.com>
 173
 174         PR gold/13362
 175         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 176         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 177         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 178         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 179         (Relocate_functions::rel_unaligned): New.
 180         (Relocate_functions::rel32_unaligned): New.
 181         * target-reloc.h (relocate_for_relocatable): Add code to handle
 182         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 183         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 184         arm_unaligned_reloc_r): New targets.
 185         * testsuite/Makefile.in: Regenerate.
 186         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 187         linking.
 188
 189 2011-11-02  Ian Lance Taylor  <iant@google.com>
 190
 191         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 192         NATIVE_LINKER.
 193         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 194         * options.cc (General_options::finalize): Use library search path
 195         from configure script if specified.  If not native and no sysroot,
 196         only search TOOLLIBDIR.
 197         * options.h (Search_directory::Search_directory): Change name to
 198         const std::string&.
 199         (General_options::add_to_library_path_with_sysroot): Change arg to
 200         const std::string&.
 201         * configure, Makefile.in, config.in: Rebuild.
 202
 203 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 204
 205         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 206         we are working around the ARM1176 Erratum.
 207         * options.h (General_options::fix_arm1176): Add option.
 208         * testsuite/Makefile.am: Add testcases, and keep current ones
 209         working.
 210         * testsuite/Makefile.in: Regenerate.
 211         * testsuite/arm_fix_1176.s: New file.
 212         * testsuite/arm_fix_1176.sh: Likewise.
 213
 214 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 215
 216         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 217         may_use_blx_.
 218         (Target_arm::may_use_blx): Remove method.
 219         (Target_arm::set_may_use_blx): Likewise.
 220         (Target_arm::may_use_v4t_interworking): New method.
 221         (Target_arm::may_use_v5t_interworking): Likewise.
 222         (Target_arm::may_use_blx_): Remove member variable.
 223         (Arm_relocate_functions::arm_branch_common): Check for v5T
 224         interworking.
 225         (Arm_relocate_functions::thumb_branch_common): Likewise.
 226         (Reloc_stub::stub_type_for_reloc): Likewise.
 227         (Target_arm::do_finalize_sections): Correct interworking checks.
 228         * testsuite/Makefile.am: Add new tests.
 229         * testsuite/Makefile.in: Regenerate.
 230         * testsuite/arm_farcall_arm_arm.s: New test.
 231         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 232         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 233         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 234         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 235         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 236         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 237         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 238
 239 2011-10-31  Cary Coutant  <ccoutant@google.com>
 240
 241         PR gold/13023
 242         * expression.cc (Expression::eval_with_dot): Add
 243         is_section_dot_assignment parameter.
 244         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 245         absolute and assigning to dot within a section.
 246         * script-sections.cc
 247         (Output_section_element_assignment::set_section_addresses): Pass
 248         dot_section to set_if_absolute.
 249         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 250         as is_section_dot_assignment flag to eval_with_dot.
 251         (Output_section_element_dot_assignment::set_section_addresses):
 252         Likewise.
 253         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 254         parameter.  Also set value if relative to dot_section; set the
 255         symbol's output_section.
 256         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 257         parameter.  Adjust all callers.
 258         (Expression::eval_maybe_dot): Likewise.
 259         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 260         Adjust all callers.
 261         * testsuite/script_test_2.t: Test assignment of an absolute value
 262         to dot within an output section element.
 263
 264 2011-10-31  Cary Coutant  <ccoutant@google.com>
 265
 266         * options.h (class General_options): Add --[no-]gnu-unique options.
 267         * symtab.cc (Symbol_table::sized_write_globals): Convert
 268         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 269
 270 2011-10-31  Cary Coutant  <ccoutant@google.com>
 271
 272         PR gold/13359
 273         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 274         unnecessary assertion.
 275         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 276
 277 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 278
 279         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 280         gc_mark_symbol.
 281         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 282         gc_mark_symbol.
 283         Change to just keep the section associated with symbol.
 284         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 285         they are externally visible and --export-dynamic is turned on.
 286         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 287
 288 2011-10-19  Ian Lance Taylor  <iant@google.com>
 289
 290         PR gold/13163
 291         * script-sections.cc
 292         (Output_section_element_dot_assignment::needs_output_section): New
 293         function.
 294
 295 2011-10-19  Ian Lance Taylor  <iant@google.com>
 296
 297         PR gold/13204
 298         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 299         --section-start option was seen.
 300         * options.h (General_options::any_section_start): New function.
 301
 302 2011-10-18  David S. Miller  <davem@davemloft.net>
 303
 304         PR binutils/13301
 305         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 306         member to track relocation locations that have moved during TLS
 307         reloc optimizations.
 308         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 309         (Target_sparc::Relocate::relocate): Adjust view down by 4
 310         bytes if it matches reloc_adjust_addr_.
 311         (Target_sparc::Relocate::relocate_tls): Always move the
 312         __tls_get_addr call delay slot instruction forward 4 bytes when
 313         performing relaxation.
 314
 315 2011-10-18  Cary Coutant  <ccoutant@google.com>
 316
 317         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 318         (Output_file::map_no_anonymous): Check for non-zero
 319         return code from posix_fallocate.
 320
 321 2011-10-17  Cary Coutant  <ccoutant@google.com>
 322
 323         PR gold/13245
 324         * plugin.cc (is_visible_from_outside): Check for symbols
 325         referenced from dynamic objects.
 326         * resolve.cc (Symbol_table::resolve): Don't count references
 327         from dynamic objects as references from real ELF files.
 328         * testsuite/plugin_test_2.sh: Adjust expected result.
 329
 330 2011-10-17  Cary Coutant  <ccoutant@google.com>
 331
 332         * gold.cc: Include timer.h.
 333         (queue_middle_tasks): Stamp time.
 334         (queue_final_tasks): Likewise.
 335         * main.cc (main): Store timer in parameters.  Print timers
 336         for each pass.
 337         * parameters.cc (Parameters::Parameters): Initialize timer_.
 338         (Parameters::set_timer): New function.
 339         (set_parameters_timer): New function.
 340         * parameters.h (Parameters::set_timer): New function.
 341         (Parameters::timer): New function.
 342         (Parameters::timer_): New data member.
 343         (set_parameters_timer): New function.
 344         * timer.cc (Timer::stamp): New function.
 345         (Timer::get_pass_time): New function.
 346         * timer.h (Timer::stamp): New function.
 347         (Timer::get_pass_time): New function.
 348         (Timer::pass_times_): New data member.
 349
 350 2011-10-17  Cary Coutant  <ccoutant@google.com>
 351
 352         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 353         task for members of lib groups.
 354
 355 2011-10-17  Cary Coutant  <ccoutant@google.com>
 356
 357         PR gold/13288
 358         * fileread.cc (File_read::find_view): Add assert.
 359         (File_read::make_view): Move bounds check (replace with assert)...
 360         (File_read::find_or_make_view): ... to here.
 361
 362 2011-10-12  Cary Coutant  <ccoutant@google.com>
 363
 364         * output.cc (Output_file::open_base_file): Handle case where
 365         ::read returns less than requested size.
 366
 367 2011-10-10  Cary Coutant  <ccoutant@google.com>
 368
 369         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 370         Initialize defined_count_.
 371         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 372         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 373         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 374         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 375         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 376         * incremental.h (Sized_relobj_incr::defined_count_): New data
 377         member.
 378         (Sized_incr_dynobj::defined_count_): New data member.
 379         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 380         Return zeroes instead of internal error.
 381
 382 2011-10-10  Cary Coutant  <ccoutant@google.com>
 383
 384         PR gold/13249
 385         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 386         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 387         * output.h (class Output_reloc): Add use_plt_offset flag.
 388         (Output_reloc::type_): Adjust size of bit field.
 389         (Output_reloc::use_plt_offset_): New bit field.
 390         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 391         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 392         flag.  Adjust all callers.
 393         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 394         creating RELATIVE relocations.
 395
 396 2011-10-10  Nick Clifton  <nickc@redhat.com>
 397
 398         * po/es.po: Updated Spanish translation.
 399         * po/fi.po: Updated Finnish translation.
 400
 401 2011-10-03   Diego Novillo  <dnovillo@google.com>
 402
 403         * options.cc (parse_uint): Fix dereference of RETVAL.
 404
 405 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 406
 407         * layout.h (section_order_map_): New member.
 408         (get_section_order_map): New member function.
 409         * output.cc (Output_section::add_input_section): Check for patterns
 410         only when --section-ordering-file is specified.
 411         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 412         output_sections have been formed.
 413         * layout.cc (Layout_Layout): Initialize section_order_map_.
 414         * plugin.cc (update_section_order): Store order in order_map. Do not
 415         update the order.
 416         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 417         * testsuite/Makefile.in: Regenerate.
 418         * testsuite/plugin_section_order.c: New file.
 419         * testsuite/plugin_final_layout.cc: New file.
 420         * testsuite/plugin_final_layout.sh: New file.
 421
 422 2011-09-29  Cary Coutant  <ccoutant@google.com>
 423
 424         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 425         Check for NULL.
 426         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 427         symbols during incremental update.
 428         (Symbol_table::add_from_dynobj): Likewise.
 429
 430 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 431             Ian Lance Taylor  <iant@google.com>
 432
 433         * symtab.cc (Symbol_table::define_special_symbol): Always
 434         canonicalize version string.
 435
 436 2011-09-26  Cary Coutant  <ccoutant@google.com>
 437
 438         * gold.cc (queue_initial_tasks): Move option checks ...
 439         * options.cc (General_options::finalize): ... to here. Disable
 440         some options; make others fatal.
 441
 442 2011-09-26  Cary Coutant  <ccoutant@google.com>
 443
 444         gcc PR lto/47247
 445         * plugin.cc (get_symbols_v2): New function.
 446         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 447         (is_referenced_from_outside): New function.
 448         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 449         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 450         (get_symbols): Pass version parameter.
 451         (get_symbols_v2): New function.
 452         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 453         parameter.
 454         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 455         (onload): Add LDPT_GET_SYMBOLS_V2.
 456         (all_symbols_read_hook): Use get_symbols_v2; check for
 457         LDPR_PREVAILING_DEF_IRONLY_EXP.
 458         * testsuite/plugin_test_3.sh: Update expected results.
 459
 460 2011-09-23  Simon Baldwin  <simonb@google.com>
 461
 462         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 463         configuration options.
 464         * configure: Regenerate.
 465         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 466         * Makefile.in: Regenerate.
 467         * testsuite/Makefile.in: Regenerate.
 468
 469 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 470
 471         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 472
 473 2011-09-19  Cary Coutant  <ccoutant@google.com>
 474
 475         * incremental.cc (can_incremental_update): Fix typo in comment.
 476         * incremental.h (can_incremental_update): Likewise.
 477
 478 2011-09-18  Cary Coutant  <ccoutant@google.com>
 479
 480         * incremental.cc (can_incremental_update): New function.
 481         * incremental.h (can_incremental_update): New function.
 482         * layout.cc (Layout::init_fixed_output_section): Call it.
 483         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 484         * object.cc (Sized_relobj_file::do_layout): Call
 485         can_incremental_update.
 486
 487 2011-09-13  Cary Coutant  <ccoutant@google.com>
 488
 489         * configure.ac: Check for glibc support for gnu_indirect_function
 490         support with static linking, setting automake conditional
 491         IFUNC_STATIC.
 492         * Makefile.in: Regenerate.
 493         * configure: Regenerate.
 494
 495         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 496         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 497         for IFUNC_STATIC.
 498         * testsuite/Makefile.in: Regenerate.
 499
 500 2011-09-13  Cary Coutant  <ccoutant@google.com>
 501
 502         * incremental.cc (Sized_relobj_incr::do_layout): Call
 503         report_comdat_group for kept comdat sections.
 504         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 505         * testsuite/Makefile.in: Regenerate.
 506         * testsuite/incr_comdat_test_1.cc: New source file.
 507         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 508         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 509         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 510
 511 2011-09-13  Ian Lance Taylor  <iant@google.com>
 512
 513         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 514         variable external_symbols_offset.
 515
 516 2011-09-12  Ian Lance Taylor  <iant@google.com>
 517
 518         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 519         triggered if object has no symbols.
 520
 521 2011-09-09  David S. Miller  <davem@davemloft.net>
 522
 523         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 524         (Output_fill_debug_line::do_write): Likewise.
 525
 526 2011-08-29  Cary Coutant  <ccoutant@google.com>
 527
 528         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 529         casts to match formatting specs.
 530         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 531
 532 2011-08-26  Cary Coutant  <ccoutant@google.com>
 533
 534         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 535         remaining hole size when allocating.
 536         (Layout::make_output_section): Set fill methods for debug sections.
 537         * layout.h (Free_list::Free_list_node): Move from private to
 538         public.
 539         (Free_list::set_min_hole_size): New function.
 540         (Free_list::begin, Free_list::end): New functions.
 541         (Free_list::min_hole_): New data member.
 542         * output.cc: Include dwarf.h.
 543         (Output_fill_debug_info::do_minimum_hole_size): New function.
 544         (Output_fill_debug_info::do_write): New function.
 545         (Output_fill_debug_line::do_minimum_hole_size): New function.
 546         (Output_fill_debug_line::do_write): New function.
 547         (Output_section::Output_section): Initialize new data member.
 548         (Output_section::set_final_data_size): Ensure patch space is larger
 549         than minimum hole size.
 550         (Output_section::do_write): Fill holes in debug sections.
 551         * output.h (Output_fill): New class.
 552         (Output_fill_debug_info): New class.
 553         (Output_fill_debug_line): New class.
 554         (Output_section::set_free_space_fill): New function.
 555         (Output_section::free_space_fill_): New data member.
 556         * testsuite/Makefile.am (incremental_test_3): Add
 557         --incremental-patch option.
 558         (incremental_test_4): Likewise.
 559         (incremental_test_5): Likewise.
 560         (incremental_test_6): Likewise.
 561         (incremental_copy_test): Likewise.
 562         (incremental_common_test_1): Likewise.
 563         * testsuite/Makefile.in: Regenerate.
 564
 565 2011-08-26  Nick Clifton  <nickc@redhat.com>
 566
 567         * po/es.po: Updated Spanish translation.
 568
 569 2011-08-01  Cary Coutant  <ccoutant@google.com>
 570
 571         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 572         * gold/testsuite/Makefile.in: Regenerate.
 573         * gold/testsuite/justsyms_exec.c: New source file.
 574         * gold/testsuite/justsyms_lib.c: New source file.
 575
 576 2011-08-01  Cary Coutant  <ccoutant@google.com>
 577
 578         * layout.cc (Layout::set_segment_offsets): Don't realign text
 579         segment if -Ttext was specified.
 580         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 581         file type.
 582         * object.h (Sized_relobj_file::e_type): New function.
 583         (Sized_relobj_file::e_type_): New data member.
 584         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 585         base address for ET_EXEC files.
 586         * target.cc (Target::do_make_elf_object_implementation): Allow
 587         ET_EXEC files with --just-symbols option.
 588
 589 2011-07-28  Cary Coutant  <ccoutant@google.com>
 590
 591         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 592         Add thread_number parameter.
 593         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 594         * workqueue-threads.cc
 595         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 596         current thread if its thread number is greater than desired thread
 597         count.
 598         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 599         Add thread_number parameter.
 600         (Workqueue::should_cancel_thread): Likewise.
 601         (Workqueue::find_runnable_or_wait): Pass thread_number to
 602         should_cancel_thread.
 603         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 604         parameter.
 605
 606 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 607
 608         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 609         only after checking if it cannot be forced local.
 610         * symtab.h (is_externally_visible): Check if the symbol is not forced
 611         local.
 612
 613 2011-07-15  Ian Lance Taylor  <iant@google.com>
 614
 615         * options.h (class General_options): Add --print-output-format.
 616         Move -EL next to -EB, for  better --help output.
 617         * target-select.cc: Include <cstdio>, "options.h", and
 618         "parameters.h".
 619         (Target_selector::do_target_bfd_name): New function.
 620         (print_output_format): New function.
 621         * target-select.h (class Target_selector): Update declarations.
 622         (Target_selector::target_bfd_name): New function.
 623         (print_output_format): Declare.
 624         * main.cc: Include "target-select.h".
 625         (main): Handle --print-output-format.
 626         * gold.cc: Include "target-select.h".
 627         (queue_initial_tasks): Handle --print-output-format when there are
 628         no input files.
 629         * parameters.cc (parameters_force_valid_target): Give a better
 630         error message if -EB/-EL does not match target.
 631         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 632         function.
 633
 634 2011-07-15  Ian Lance Taylor  <iant@google.com>
 635
 636         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 637         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 638         (Output_data_plt_i386::do_write): Write address of .dynamic
 639         section to first entry in .got.plt section.
 640         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 641         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 642         Initialize layout_.
 643         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 644         section to first entry in .got.plt section.
 645         * layout.h (Layout::dynamic_section): New function.
 646
 647 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 648
 649         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 650         to claim_file call.
 651         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 652         input_section_position_, and input_section_glob_.
 653         (read_layout_from_file): Call function section_ordering_specified.
 654         * layout.h (is_section_ordering_specified): New function.
 655         (section_ordering_specified): New function.
 656         (section_ordering_specified_): New boolean member.
 657         * main.cc(main): Call load_plugins after layout object is defined.
 658         * output.cc (Output_section::add_input_section): Use
 659         function section_ordering_specified to check if section ordering is
 660         needed.
 661         * output.cc (Output_section::add_relaxed_input_section): Use
 662         function section_ordering_specified to check if section ordering is
 663         needed.
 664         (Output_section::update_section_layout): New function.
 665         (Output_section::sort_attached_input_sections): Check if input section
 666         must be reordered.
 667         * output.h (Output_section::update_section_layout): New function.
 668         * plugin.cc (get_section_count): New function.
 669         (get_section_type): New function.
 670         (get_section_name): New function.
 671         (get_section_contents): New function.
 672         (update_section_order): New function.
 673         (allow_section_ordering): New function.
 674         (Plugin::load): Add the new interfaces to the transfer vector.
 675         (Plugin_manager::load_plugins): New parameter.
 676         (Plugin_manager::all_symbols_read): New parameter.
 677         (Plugin_manager::claim_file): New parameter. Save the elf object for
 678         unclaimed objects.
 679         (Plugin_manager::get_elf_object): New function.
 680         (Plugin_manager::get_view): Change to directly use the bool to check
 681         if get_view is called from claim_file_hook.
 682         * plugin.h (input_objects): New function
 683         (Plugin__manager::load_plugins): New parameter.
 684         (Plugin_manager::claim_file): New parameter.
 685         (Plugin_manager::get_elf_object): New function.
 686         (Plugin_manager::in_claim_file_handler): New function.
 687         (Plugin_manager::in_claim_file_handler_): New member.
 688         (layout): New function.
 689         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 690         handler with an extra parameter. Make the elf object before calling
 691         claim_file handler.
 692         * testsuite/plugin_test.c (get_section_count): New function pointer.
 693         (get_section_type): New function pointer.
 694         (get_section_name): New function pointer.
 695         (get_section_contents): New function pointer.
 696         (update_section_order): New function pointer.
 697         (allow_section_ordering): New function pointer.
 698         (onload): Check if the new interfaces exist.
 699
 700 2011-07-13  Ian Lance Taylor  <iant@google.com>
 701
 702         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 703         relro section.
 704         * x86_64.cc (Target_x86_64::got_section): Likewise.
 705         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 706         (relro_now_test_SOURCES): New variable.
 707         (relro_now_test_DEPENDENCIES): New variable.
 708         (relro_now_test_LDFLAGS): New variable.
 709         (relro_now_test_LDADD): New variable.
 710         (relro_now_test.so): New target.
 711         * testsuite/Makefile.in: Rebuild.
 712
 713 2011-07-12  Ian Lance Taylor  <iant@google.com>
 714
 715         PR gold/12980
 716         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 717         GLOB_DAT relocation rather than a RELATIVE relocation for a
 718         protected symbol when creating a shared library.
 719         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 720         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 721         * testsuite/protected_main_1.cc (main): Test that protected
 722         function has same address.
 723
 724 2011-07-11  Ian Lance Taylor  <iant@google.com>
 725
 726         PR gold/12979
 727         * options.h (class General_options): Add -Bgroup.
 728         * options.cc (General_options::finalize): If -Bgroup is set,
 729         default to --unresolved-symbols=report-all.
 730         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 731         * target-reloc.h (issue_undefined_symbol_error): Handle
 732         --unresolved-symbols=report-all.
 733
 734 2011-07-08  Ian Lance Taylor  <iant@google.com>
 735
 736         PR gold/11985
 737         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 738         if linker script discards key sections.
 739         (Layout::create_dynamic_symtab): Likewise.
 740         (Layout::assign_local_dynsym_offsets): Likewise.
 741         (Layout::sized_create_version_sections): Likewise.
 742         (Layout::create_interp): Likewise.
 743         (Layout::finish_dynamic_section): Likewise.
 744         (Layout::set_dynamic_symbol_size): Likewise.
 745
 746 2011-07-08  Ian Lance Taylor  <iant@google.com>
 747
 748         PR gold/12386
 749         * options.h (class General_options): Add --unresolved-symbols.
 750         * target-reloc.h (issue_undefined_symbol_error): Check
 751         --unresolved-symbols.  Add comments.
 752
 753 2011-07-08  Ian Lance Taylor  <iant@google.com>
 754
 755         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 756         expression more complex.
 757
 758 2011-07-08  Ian Lance Taylor  <iant@google.com>
 759
 760         PR gold/11317
 761         * target-reloc.h (issue_undefined_symbol_error): New inline
 762         function, broken out of relocate_section.
 763         (relocate_section): Call issue_undefined_symbol_error.
 764         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 765         there is no TLS segment if we are about to issue an undefined
 766         symbol error.
 767         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 768
 769 2011-07-08  Ian Lance Taylor  <iant@google.com>
 770
 771         PR gold/12279
 772         * resolve.cc (Symbol_table::should_override): Add fromtype
 773         parameter.  Change all callers.  Give error when linking together
 774         TLS and non-TLS symbol.
 775         (Symbol_table::should_override_with_special): Add fromtype
 776         parameter.  Change all callers.
 777         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 778         there is no TLS segment if we have reported some errors.
 779         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 780
 781 2011-07-08  Ian Lance Taylor  <iant@google.com>
 782
 783         PR gold/12372
 784         * target.h (Target::plt_address_for_global): New function.
 785         (Target::plt_address_for_local): New function.
 786         (Target::plt_section_for_global): Remove.
 787         (Target::plt_section_for_local): Remove.
 788         (Target::do_plt_address_for_global): New virtual function.
 789         (Target::do_plt_address_for_local): New virtual function.
 790         (Target::do_plt_section_for_global): Remove.
 791         (Target::do_plt_section_for_local): Remove.
 792         (Target::register_global_plt_entry): Add Symbol_table and Layout
 793         parameters.
 794         * output.cc (Output_data_got::Got_entry::write): Use
 795         plt_address_for_global and plt_address_for_local.
 796         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 797         address of output section.
 798         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 799         got_irelative_, and irelative_count_ fields.  Update
 800         declarations.
 801         (Output_data_plt_i386::has_irelative_section): New function.
 802         (Output_data_plt_i386::entry_count): Add irelative_count_.
 803         (Output_data_plt_i386::set_final_data_size): Likewise.
 804         (class Target_i386): Add got_irelative_ and rel_irelative_
 805         fields.  Update declarations.
 806         (Target_i386::Target_i386): Initialize new fields.
 807         (Target_i386::do_plt_address_for_global): New function replacing
 808         do_plt_section_for_global.
 809         (Target_i386::do_plt_address_for_local): New function replacing
 810         do_plt_section_for_local.
 811         (Target_i386::got_section): Create got_irelative_.
 812         (Target_i386::rel_irelative_section): New function.
 813         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 814         fields.  Don't define __rel_iplt_{start,end}.
 815         (Output_data_plt_i386::add_entry): Add symtab and layout
 816         parameters.  Change all callers.  Use different PLT and GOT for
 817         IFUNC symbols.
 818         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 819         layout parameters.  Change all callers.  Use different PLT and
 820         GOT.
 821         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 822         (Output_data_plt_i386::rel_irelative): New function.
 823         (Output_data_plt_i386::address_for_global): New function.
 824         (Output_data_plt_i386::address_for_local): New function.
 825         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 826         IRELATIVE GOT when changing IFUNC GOT entries.
 827         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 828         reloc.
 829         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 830         if we didn't create an IRELATIVE GOT.
 831         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 832         plt_address_for_local.
 833         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 834         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 835         got_irelative_, and irelative_count_ fields.  Update
 836         declarations.
 837         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 838         Initialize new fields.  Remove symtab parameter.  Change all
 839         callers.
 840         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 841         irelative_count_.
 842         (Output_data_plt_x86_64::has_irelative_section): New function.
 843         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 844         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 845         fields.  Update declarations.
 846         (Target_x86_64::Target_x86_64): Initialize new fields.
 847         (Target_x86_64::do_plt_address_for_global): New function replacing
 848         do_plt_section_for_global.
 849         (Target_x86_64::do_plt_address_for_local): New function replacing
 850         do_plt_section_for_local.
 851         (Target_x86_64::got_section): Create got_irelative_.
 852         (Target_x86_64::rela_irelative_section): New function.
 853         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 854         all callers.  Don't create __rel_iplt_{start,end}.
 855         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 856         parameters.  Change all callers.  Use different PLT and GOT for
 857         IFUNC symbols.
 858         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 859         layout parameters.  Change all callers.  Use different PLT and
 860         GOT.
 861         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 862         parameters.  Change all callers.  Use different PLT and GOT for
 863         IFUNC symbols.
 864         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 865         (Output_data_plt_x86_64::rela_irelative): New function.
 866         (Output_data_plt_x86_64::address_for_global): New function.
 867         (Output_data_plt_x86_64::address_for_local): New function.
 868         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 869         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 870         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 871         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 872         parameters.
 873         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 874         reloc.
 875         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 876         symbols if we didn't create an IRELATIVE GOT.
 877         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 878         plt_address_for_local.
 879         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 880         * testsuite/ifuncvar1.c: New test file.
 881         * testsuite/ifuncvar2.c: New test file.
 882         * testsuite/ifuncvar3.c: New test file.
 883         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 884         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 885         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 886         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 887         * testsuite/Makefile.in: Rebuild.
 888
 889 2011-07-07  Cary Coutant  <ccoutant@google.com>
 890
 891         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 892         (two_file_test_1_ndebug.o): Likewise.
 893         (two_file_test_1b_ndebug.o): Likewise.
 894         (two_file_test_2_ndebug.o): Likewise.
 895         (two_file_test_main_ndebug.o): Likewise.
 896         (incremental_test_2): Link with no-debug versions.
 897
 898 2011-07-06  Cary Coutant  <ccoutant@google.com>
 899
 900         * gold/incremental.cc
 901         (Output_section_incremental_inputs::write_info_blocks): Check for
 902         hidden and internal symbols.
 903
 904 2011-07-06  Cary Coutant  <ccoutant@google.com>
 905
 906         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 907         Check disposition for startup file.
 908         (Incremental_inputs::report_command_line): Ignore
 909         --incremental-startup-unchanged option.
 910         * options.cc (General_options::parse_incremental_startup_unchanged):
 911         New function.
 912         (General_options::General_options): Initialize new data member.
 913         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 914         (General_options): Add --incremental-startup-unchanged option.
 915         (General_options::incremental_startup_disposition): New function.
 916         (General_options::incremental_startup_disposition_): New data member.
 917
 918 2011-07-06  Cary Coutant  <ccoutant@google.com>
 919
 920         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 921         input file index to Script_info ctor.
 922         (Sized_incremental_binary::do_file_has_changed): Find the
 923         command-line argument for files named in scripts.
 924         * incremental.h (Script_info::Script_info): New ctor
 925         with input file index.
 926         (Script_info::input_file_index): New function.
 927         (Script_info::input_file_index_): New data member.
 928         (Incremental_binary::get_library): Add const.
 929         (Incremental_binary::get_script_info): Add const.
 930         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 931         * testsuite/Makefile.am (incremental_test_5): New test case.
 932         (incremental_test_6): New test case.
 933         * testsuite/Makefile.in: Regenerate.
 934
 935 2011-07-06  Cary Coutant  <ccoutant@google.com>
 936
 937         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 938         debug output when command lines differ.
 939
 940 2011-07-06  Cary Coutant  <ccoutant@google.com>
 941
 942         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 943         --incremental-patch option.
 944         * layout.cc (Free_list::allocate): Extend allocation beyond original
 945         end if enabled.
 946         (Layout::make_output_section): Mark sections that should get
 947         patch space.
 948         * options.cc (parse_percent): New function.
 949         * options.h (parse_percent): New function.
 950         (DEFINE_percent): New macro.
 951         (General_options): Add --incremental-patch option.
 952         * output.cc (Output_section::Output_section): Initialize new data
 953         members.
 954         (Output_section::add_input_section): Print section name when out
 955         of patch space.
 956         (Output_section::add_output_section_data): Likewise.
 957         (Output_section::set_final_data_size): Add patch space when
 958         doing --incremental-full.
 959         (Output_section::do_reset_address_and_file_offset): Remove patch
 960         space.
 961         (Output_segment::set_section_list_addresses): Print debug output
 962         only if --incremental-update.
 963         * output.h (Output_section::set_is_patch_space_allowed): New function.
 964         (Output_section::is_patch_space_allowed_): New data member.
 965         (Output_section::patch_space_): New data member.
 966         * parameters.cc (Parameters::incremental_full): New function.
 967         * parameters.h (Parameters::incremental_full): New function
 968         * testsuite/Makefile.am (incremental_test_2): Add test for
 969         --incremental-patch option.
 970         * testsuite/Makefile.in: Regenerate.
 971         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 972         (t18): Remove function body.
 973
 974 2011-07-05  Doug Kwan  <dougkwan@google.com>
 975
 976         PR gold/12771
 977         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 978         Arm_Address type for relocation result.
 979         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 980         overflow check.
 981         (Arm_relocate_functions::abs32): Use unaligned access.
 982         (Arm_relocate_functions::rel32): Ditto.
 983         (Arm_relocate_functions::prel31): Ditto.
 984         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 985         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 986         static data relocations.
 987         * testsuite/Makefile.in: Regnerate.
 988         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 989
 990 2011-07-05  Ian Lance Taylor  <iant@google.com>
 991
 992         PR gold/12392
 993         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 994         symbols if necessary.
 995         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 996
 997 2011-07-05  Ian Lance Taylor  <iant@google.com>
 998
 999         PR gold/12952
1000         * resolve.cc (Symbol::override_base_with_special): Simply override
1001         version with special symbol version, ignoring previous version.
1002
1003 2011-07-05  Ian Lance Taylor  <iant@google.com>
1004
1005         * object.cc (Sized_relobj_file::include_section_group): Add
1006         information to comment about signature location.
1007
1008 2011-07-02  Ian Lance Taylor  <iant@google.com>
1009
1010         PR gold/12957
1011         * options.h (class General_options): Add -f and -F.
1012         * options.cc (General_options::finalize): Fatal error if -f/-F
1013         are used without -shared.
1014         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1015
1016 2011-07-02  Ian Lance Taylor  <iant@google.com>
1017
1018         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1019
1020 2011-07-01  Ian Lance Taylor  <iant@google.com>
1021
1022         PR gold/12525
1023         PR gold/12952
1024         * resolve.cc (Symbol::override_base_with_special): Don't override
1025         the version if the overriding symbol has a different name.
1026         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1027         all callers.  If we give an error about an undefined version,
1028         define the base version if necessary.
1029         * dynobj.h (class Versions): Update declaration.
1030         * testsuite/weak_alias_test_5.cc: New file.
1031         * testsuite/weak_alias_test.script: New file.
1032         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1033         and versioned_alias have the right value, and call t2.
1034         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1035         weak_alias_test_5.so.
1036         (weak_alias_test_LDADD): Likewise.
1037         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1038         * testsuite/Makefile.in: Rebuild.
1039
1040 2011-07-01  Ian Lance Taylor  <iant@google.com>
1041
1042         PR gold/12525
1043         * options.h (class General_options): Support -z notext.
1044         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1045         -Wl,-z,notext.
1046         (two_file_shared_nonpic.so): Likewise.
1047         (two_file_shared_mixed.so): Likewise.
1048         (two_file_shared_mixed_1.so): Likewise.
1049         (weak_undef_lib_nonpic.so): Likewise.
1050         (alt/weak_undef_lib_nonpic.so): Likewise.
1051         (tls_test_shared_nonpic.so): Likewise.
1052         * testsuite/Makefile.in: Rebuild.
1053
1054 2011-07-01  Ian Lance Taylor  <iant@google.com>
1055
1056         PR gold/12525
1057         * configure.ac: Test whether static linking works, setting
1058         the automake conditional HAVE_STATIC.
1059         * testsuite/Makefile.am: Disable tests using -static if
1060         HAVE_STATIC is not true.
1061         * configure, testsuite/Makefile.in: Rebuild.
1062
1063 2011-07-01  Ian Lance Taylor  <iant@google.com>
1064
1065         PR gold/12525
1066         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1067         Assert if we see DW_EH_PE_indirect.
1068         * target.h (Target::ehframe_datarel_base): New function.
1069         (Target::do_ehframe_datarel_base): New target function.
1070         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1071         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1072         function.
1073
1074 2011-07-01  Ian Lance Taylor  <iant@google.com>
1075
1076         PR gold/12571
1077         * options.h (class General_options): Add
1078         --ld-generated-unwind-info.
1079         * ehframe.cc (Fde::write): Add address parameter.  Change all
1080         callers.  If associated with PLT, fill in address and size.
1081         (Cie::set_output_offset): Only add merge mapping if there is an
1082         object.
1083         (Cie::write): Add address parameter.  Change all callers.
1084         (Eh_frame::add_ehframe_for_plt): New function.
1085         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1086         input_offset_ fields into union u_, with new plt field.
1087         (Fde::Fde): Adjust for new union field.
1088         (Fde::Fde) [Output_data version]: New constructor.
1089         (Fde::add_mapping): Only add merge mapping if there is an object.
1090         (class Cie): Update declarations.
1091         (class Eh_frame): Declare add_ehframe_for_plt.
1092         * layout.cc (Layout::layout_eh_frame): Break out code into
1093         make_eh_frame_section, and call it.
1094         (Layout::make_eh_frame_section): New function.
1095         (Layout::add_eh_frame_for_plt): New function.
1096         * layout.h (class Layout): Update declarations.
1097         * merge.cc (Merge_map::add_mapping): Add assertion.
1098         * i386.cc: Include "dwarf.h".
1099         (class Output_data_plt_i386): Make first_plt_entry,
1100         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1101         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1102         and plt_eh_frame_fde.
1103         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1104         boundary.  Call add_eh_frame_for_plt if appropriate.
1105         * x86_64.cc: Include "dwarf.h".
1106         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1107         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1108         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1109         and plt_eh_frame_fde.
1110         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1111         appropriate.
1112
1113 2011-06-29  Ian Lance Taylor  <iant@google.com>
1114
1115         PR gold/12629
1116         * object.cc (Sized_relobj_file::layout_section): Change shdr
1117         parameter to be const.
1118         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1119         out of do_layout.
1120         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1121         appropriate.  Call layout_eh_frame_section.
1122         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1123         sections.
1124         * object.h (class Sized_relobj_file): Update declarations.
1125
1126 2011-06-29  Ian Lance Taylor  <iant@google.com>
1127
1128         PR gold/12652
1129         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1130         modifier.
1131         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1132
1133 2011-06-29  Ian Lance Taylor  <iant@google.com>
1134
1135         PR gold/12675
1136         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1137         SHT_X86_64_UNWIND.
1138         * layout.cc (Layout::layout_eh_frame): Likewise.
1139
1140 2011-06-29  Ian Lance Taylor  <iant@google.com>
1141
1142         PR gold/12695
1143         * layout.cc (Layout::symtab_section_shndx): New function.
1144         * layout.h (class Layout): Declare symtab_section_shndx.
1145         * output.cc (Output_section::write_header): Call it.
1146
1147 2011-06-29  Ian Lance Taylor  <iant@google.com>
1148
1149         PR gold/12818
1150         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1151         symbols which are not used in a relocation.
1152
1153 2011-06-28  Ian Lance Taylor  <iant@google.com>
1154
1155         PR gold/12898
1156         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1157         script create indistinguishable segments.
1158         (Layout::set_segment_offsets): Use stable_sort when sorting
1159         segments.  Pass this to Compare_segments constructor.
1160         * layout.h (class Layout): Make segment_precedes non-static.
1161         (class Compare_segments): Change from struct to class.  Add
1162         layout_ field.  Add constructor.
1163         * script-sections.cc
1164         (Script_sections::attach_sections_using_phdrs_clause): Rename
1165         local orphan to is_orphan.  Don't report failure to put empty
1166         section in segment.  On attachment failure, report name of
1167         section, and attach to first PT_LOAD segment.
1168
1169 2011-06-28  Ian Lance Taylor  <iant@google.com>
1170
1171         PR gold/12934
1172         * target-select.cc (Target_selector::Target_selector): Add
1173         emulation parameter.  Change all callers.
1174         (select_target_by_bfd_name): Rename from select_target_by_name.
1175         Change all callers.
1176         (select_target_by_emulation): New function.
1177         (supported_emulation_names): New function.
1178         * target-select.h (class Target_selector): Add emulation_ field.
1179         Update declarations.
1180         (Target_selector::recognize_by_bfd_name): Rename from
1181         recognize_by_name.  Change all callers.
1182         (Target_selector::supported_bfd_names): Rename from
1183         supported_names.  Change all callers.
1184         (Target_selector::recognize_by_emulation): New function.
1185         (Target_selector::supported_emulations): New function.
1186         (Target_selector::emulation): New function.
1187         (Target_selector::do_recognize_by_bfd_name): Rename from
1188         do_recognize_by_name.  Change all callers.
1189         (Target_selector::do_supported_bfd_names): Rename from
1190         do_supported_names.  Change all callers.
1191         (Target_selector::do_recognize_by_emulation): New function.
1192         (Target_selector::do_supported_emulations): New function.
1193         (select_target_by_bfd_name): Change name in declaration.
1194         (select_target_by_emulation): Declare.
1195         (supported_emulation_names): Declare.
1196         * parameters.cc (parameters_force_valid_target): Try to find
1197         target based on emulation from -m option.
1198         * options.h (class General_options): Change doc string for -m.
1199         * options.cc (help): Print emulations.
1200         (General_options::parse_V): Likewise.
1201         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1202         Add emulation parameter.  Change all callers.
1203
1204 2011-06-28  Ian Lance Taylor  <iant@google.com>
1205
1206         * target.h (class Target): Add osabi_ field.
1207         (Target::osabi): New function.
1208         (Target::set_osabi): New function.
1209         (Target::Target): Initialize osabi_.
1210         (Target::do_adjust_elf_header): Make pure virtual.
1211         (Sized_target::do_adjust_elf_header): Declare.
1212         * target.cc (Sized_target::do_adjust_elf_header): New function.
1213         (class Sized_target): Instantiate all versions.
1214         * freebsd.h (class Target_freebsd): Remove.
1215         (Target_selector_freebsd::do_recognize): Call set_osabi on
1216         Target.
1217         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1218         (Target_selector_freebsd::set_osabi): Remove.
1219         * i386.cc (class Target_i386): Inherit from Sized_target rather
1220         than Target_freebsd.
1221         * x86_64.cc (class Target_x86_64): Likewise.
1222
1223 2011-06-28  Ian Lance Taylor  <iant@google.com>
1224
1225         * target.h (Target::can_check_for_function_pointers): Rewrite.
1226         Make non-virtual.
1227         (Target::can_icf_inline_merge_sections): Likewise.
1228         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1229         (Target::Target_info): Add can_icf_inline_merge_sections field.
1230         (Target::do_can_check_for_function_pointers): New virtual
1231         function.
1232         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1233         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1234         from can_check_for_function_pointers, move in file.
1235         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1236         section_may_have_icf_unsafe_poineters, move in file.
1237         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1238         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1239         Rename from can_check_for_function_pointers, move in file.
1240         (Target_i386::can_icf_inline_merge_sections): Remove.
1241         (Target_i386::i386_info): Initialize
1242         can_icf_inline_merge_sections.
1243         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1244         Initialize can_icf_inline_merge_sections.
1245         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1246         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1247         Rename from can_check_for_function_pointers, move in file.
1248         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1249         (Target_x86_64::x86_64_info): Initialize
1250         can_icf_inline_merge_sections.
1251         * testsuite/testfile.cc (Target_test::test_target_info):
1252         Likewise.
1253         * icf.cc (get_section_contents): Correct formatting.
1254
1255 2011-06-27  Ian Lance Taylor  <iant@google.com>
1256
1257         * symtab.cc (Symbol::versioned_name): New function.
1258         (Symbol_table::add_to_final_symtab): Use versioned_name when
1259         appropriate.
1260         (Symbol_table::sized_write_symbol): Likewise.
1261         * symtab.h (class Symbol): Declare versioned_name.
1262         * stringpool.h (class Stringpool_template): Add variant of add
1263         which takes a std::basic_string.
1264         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1265         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1266         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1267         (ver_test_12.o): New target.
1268         * testsuite/Makefile.in: Rebuild.
1269
1270 2011-06-27  Doug Kwan  <dougkwan@google.com>
1271
1272         * arm.cc (Arm_relocate_functions::thm_jump8,
1273         Arm_relocate_functions::thm_jump11): Use a wider signed
1274         type to compute offset.
1275         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1276         arm_thm_jump8.
1277         * testsuite/Makefile.in: Regenerate.
1278         * testsuite/arm_branch_in_range.sh: Check test results of
1279         arm_thm_jump11 and arm_thm_jump8.
1280         * testsuite/arm_thm_jump11.s: New test source file.
1281         * testsuite/arm_thm_jump11.t: New linker script.
1282         * testsuite/arm_thm_jump8.s: New test source file.
1283         * testsuite/arm_thm_jump8.t: New linker script.
1284
1285 2011-06-24  Ian Lance Taylor  <iant@google.com>
1286
1287         * layout.cc: Include "object.h".
1288         (ctors_sections_in_init_array): New static variable.
1289         (Layout::is_ctors_in_init_array): New function.
1290         (Layout::layout): Add entry to ctors_sections_in_init_array if
1291         appropriate.
1292         * layout.h (class Layout): Declare is_ctors_in_init_array.
1293         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1294         is_ctors_reverse_view is set.
1295         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1296         all callers.  Set is_ctors_reverse_view field of View_size.
1297         (Sized_relobj_file::reverse_words): New function.
1298         * object.h (Sized_relobj_file::View_size): Add
1299         is_ctors_reverse_view field.
1300         (class Sized_relobj_file): Update declarations.
1301         * testsuite/initpri3.c: New test.
1302         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1303         initpri3b.
1304         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1305         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1306         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1307         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1308         * testsuite/Makefile.in: Rebuild.
1309
1310 2011-06-24  Cary Coutant  <ccoutant@google.com>
1311
1312         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1313         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1314         (debug_msg_cdebug.err): New targets.
1315         * testsuite/Makefile.in: Regenerate.
1316         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1317         Fix checks for link with shared library.
1318
1319 2011-06-24  Doug Kwan  <dougkwan@google.com>
1320
1321         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1322         skip empty text sections.
1323         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1324
1325 2011-06-22  Ian Lance Taylor  <iant@google.com>
1326
1327         PR gold/12910
1328         * options.h (class General_options): Add --ctors-in-init-array.
1329         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1330         friends as SHT_PROGBITS for merging sections.
1331         (Layout::layout): Remove special handling of .init_array and
1332         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1333         and .dtors if ctors_in_init_array.
1334         (Layout::make_output_section): Force correct section types for
1335         .init_array and friends.  Don't sort if doing relocatable link,
1336         Don't sort .ctors and .dtors if ctors_in_init_array.
1337         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1338         (Layout::output_section_name): Add relobj parameter.  Change all
1339         callers.  Handle .ctors. and .dtors. in code rather than table.
1340         Handle .ctors and .dtors if ctors_in_init_array.
1341         (Layout::match_file_name): New function, moved from output.cc.
1342         * layout.h (class Layout): Update declarations.
1343         * output.cc: Include "layout.h".
1344         (Input_section_sort_entry::get_priority): New function.
1345         (Input_section_sort_entry::match_file_name): Just call
1346         Layout::match_file_name.
1347         (Output_section::Input_section_sort_init_fini_compare::operator()):
1348         Handle .ctors and .dtors.  Sort by explicit priority rather than
1349         by name.
1350         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1351         * testsuite/initpri2.c: New test.
1352         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1353         (check_PROGRAMS): Add initpri2.
1354         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1355         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1356         * configure, testsuite/Makefile.in: Rebuild.
1357
1358 2011-06-19  Ian Lance Taylor  <iant@google.com>
1359
1360         PR gold/12880
1361         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1362         .interp section to a PT_INTERP segment even if we have seen a
1363         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1364         clause in a linker script.
1365         (Layout::finalize): Don't create a .interp section if we've
1366         already create a PT_INTERP segment.
1367         (Layout::create_interp): Always call choose_output_section (revert
1368         patch of 2011-06-17).  Don't create PT_INTERP segment.
1369         * script-sections.cc
1370         (Script_sections::create_note_and_tls_segments): Add a .interp
1371         section to a PT_INTERP segment even if we have seen a
1372         --dynamic-linker option.
1373
1374 2011-06-18  Ian Lance Taylor  <iant@google.com>
1375
1376         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1377         merely because a non-PT_LOAD segment has a dynamic reloc.
1378
1379 2011-06-18  Ian Lance Taylor  <iant@google.com>
1380
1381         * layout.cc (Layout::finish_dynamic_section): Don't create
1382         DT_FLAGS entry if not needed.
1383
1384 2011-06-18  Ian Lance Taylor  <iant@google.com>
1385
1386         PR gold/12745
1387         * layout.cc (Layout::layout_eh_frame): Correct handling of
1388         writable .eh_frame section.
1389
1390 2011-06-17  Ian Lance Taylor  <iant@google.com>
1391
1392         PR gold/12893
1393         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1394         symbol is redefined with the exact same object and value.
1395
1396 2011-06-17  Ian Lance Taylor  <iant@google.com>
1397
1398         PR gold/12880
1399         * layout.h (class Layout): Add interp_segment_ field.
1400         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1401         (Layout::attach_allocated_section_to_segment): If making shared
1402         library, put .interp section in PT_INTERP segment.
1403         (Layout::finalize): Also call create_interp if -dynamic-linker
1404         option was used.
1405         (Layout::create_interp): Assert that there is no PT_INTERP
1406         segment.  If not using a SECTIONS clause, use make_output_section.
1407         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1408         * script-sections.cc
1409         (Script_sections::create_note_and_tls_segments): If making shared
1410         library, put .interp section in PT_INTERP segment.
1411
1412 2011-06-17  Ian Lance Taylor  <iant@google.com>
1413
1414         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1415         when making a shared library.
1416
1417 2011-06-17  Ian Lance Taylor  <iant@google.com>
1418
1419         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1420         parameter.  Change all callers.  Don't issue warning about PC32
1421         against locally defined symbol.
1422
1423 2011-06-16  Ian Lance Taylor  <iant@google.com>
1424
1425         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1426         occurs in same object.
1427
1428 2011-06-14  Alan Modra  <amodra@gmail.com>
1429
1430         * po/POTFILES.in: Regenerate.
1431
1432 2011-06-09  Ian Lance Taylor  <iant@google.com>
1433
1434         * script-sections.cc
1435         (Orphan_output_section::set_section_addresses): For a relocatable
1436         link set address to 0.
1437
1438 2011-06-09  Cary Coutant  <ccoutant@google.com>
1439
1440         PR gold/12804
1441         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1442         used with --compress-debug-sections.
1443         * gold/object.cc (Sized_relobj_file::do_layout): Report
1444         uncompressed size of compressed input sections.
1445
1446 2011-06-08  Cary Coutant  <ccoutant@google.com>
1447
1448         PR gold/12804
1449         * testsuite/two_file_test_2_v1.cc: Change initialization of
1450         v2 to keep it in .data.
1451
1452 2011-06-07  Cary Coutant  <ccoutant@google.com>
1453
1454         * common.cc (Symbol_table::do_allocate_commons_list): Call
1455         gold_fallback.
1456         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1457         (Errors::fallback): New function.
1458         (gold_fallback): New function.
1459         * errors.h (Errors::fallback): New function.
1460         * gold.cc (gold_exit): Change status parameter to enum; adjust
1461         all callers.
1462         (queue_initial_tasks): Call gold_fallback.
1463         * gold.h: Include cstdlib.
1464         (Exit_status): New enum type.
1465         (gold_exit): Change status parameter to enum.
1466         (gold_fallback): New function.
1467         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1468         (Layout::create_symtab_sections): Likewise.
1469         (Layout::create_shdrs): Likewise.
1470         * main.cc (main): Adjust call to gold_exit.
1471         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1472         (Output_data_got::add_got_entry_pair): Likewise.
1473         (Output_section::add_input_section): Likewise.
1474         (Output_section::add_output_section_data): Likewise.
1475         (Output_segment::set_section_list_addresses): Likewise.
1476         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1477
1478 2011-06-07  Cary Coutant  <ccoutant@google.com>
1479
1480         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1481         for incremental links.
1482         * output.cc (Output_segment::set_section_list_addresses): Remove
1483         FIXME and test for TLS or BSS.
1484
1485 2011-06-07  Cary Coutant  <ccoutant@google.com>
1486
1487         * testsuite/Makefile.am: Add incremental_copy_test,
1488         incremental_common_test_1.
1489         * testsuite/Makefile.in: Regenerate.
1490         * testsuite/common_test_1_v1.c: New source file.
1491         * testsuite/common_test_1_v2.c: New source file.
1492         * testsuite/copy_test_v1.cc: New source file.
1493
1494 2011-06-07  Cary Coutant  <ccoutant@google.com>
1495
1496         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1497         update, allocate common from bss section's free list.
1498         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1499         linker-defined symbols.
1500         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1501         Skip GOT and PLT entries that are no longer referenced.
1502         (Output_section_incremental_inputs::write_info_blocks): Mark
1503         linker-defined symbols.
1504         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1505         * output.cc (Output_section::allocate): New function.
1506         * output.h (Output_section::allocate): New function.
1507         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1508         linker-defined symbols.
1509         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1510         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1511         (Symbol::init_base_output_data): Likewise.
1512         (Symbol::init_base_output_segment): Likewise.
1513         (Symbol::init_base_constant): Likewise.
1514         (Sized_symbol::init_output_data): Likewise.
1515         (Sized_symbol::init_output_segment): Likewise.
1516         (Sized_symbol::init_constant): Likewise.
1517         (Symbol_table::do_define_in_output_data): Likewise.
1518         (Symbol_table::do_define_in_output_segment): Likewise.
1519         (Symbol_table::do_define_as_constant): Likewise.
1520         * symtab.h (Symbol::is_predefined): New function.
1521         (Symbol::init_base_output_data): Add is_predefined parameter.
1522         (Symbol::init_base_output_segment): Likewise.
1523         (Symbol::init_base_constant): Likewise.
1524         (Symbol::is_predefined_): New data member.
1525         (Sized_symbol::init_output_data): Add is_predefined parameter.
1526         (Sized_symbol::init_output_segment): Likewise.
1527         (Sized_symbol::init_constant): Likewise.
1528         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1529
1530 2011-06-07  Cary Coutant  <ccoutant@google.com>
1531
1532         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1533         instead of emit_copy_reloc.
1534         (Copy_relocs::emit_copy_reloc): Refactor.
1535         (Copy_relocs::make_copy_reloc): New function.
1536         (Copy_relocs::add_copy_reloc): Remove.
1537         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1538         section.
1539         (Copy_relocs::make_copy_reloc): New function.
1540         (Copy_relocs::add_copy_reloc): Remove.
1541         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1542         unchanged input files.
1543         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1544         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1545         Reserve BSS space for COPY relocations.
1546         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1547         (Output_section_incremental_inputs::write_info_blocks): Record
1548         whether a symbol is copied from a shared object.
1549         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1550         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1551         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1552         (Incremental_input_entry_reader::get_output_symbol_index): Add
1553         is_copy parameter.
1554         (Incremental_binary::emit_copy_relocs): New function.
1555         (Incremental_binary::do_emit_copy_relocs): New function.
1556         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1557         new data member.
1558         (Sized_incremental_binary::add_copy_reloc): New function.
1559         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1560         (Sized_incremental_binary::Copy_reloc): New struct.
1561         (Sized_incremental_binary::Copy_relocs): New typedef.
1562         (Sized_incremental_binary::copy_relocs_): New data member.
1563         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1564         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1565         * target.h (Sized_target::emit_copy_reloc): New function.
1566         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1567
1568 2011-06-02  Cary Coutant  <ccoutant@google.com>
1569
1570         PR gold/12163
1571         * gold/archive.cc (Archive::Archive): Initialize new data member.
1572         (Archive::include_all_members): Return if archive has already been
1573         included.
1574         * gold/archive.h (Archive::include_all_members_): New data member.
1575
1576 2011-06-02  Nick Clifton  <nickc@redhat.com>
1577
1578         * dynobj.h: Fix spelling mistake in comment.
1579         * output.cc: Likewise.
1580
1581 2011-05-31  Doug Kwan  <dougkwan@google.com>
1582             Asier Llano
1583
1584         PR gold/12826
1585         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1586         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1587         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1588         redundant arm_exidx_test.so.
1589         * testsuite/Makefile.in: Regenerate.
1590         (check_SCRIPTS): Add pr12826.sh
1591         (check_DATA): Add pr12826.stdout
1592         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1593         * testsuite/pr12826.sh: New file.
1594         * testsuite/pr12826_1.s: Ditto.
1595         * testsuite/pr12826_1.s: Ditto.
1596
1597 2011-05-30  Ian Lance Taylor  <iant@google.com>
1598
1599         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1600         sections.
1601
1602 2011-05-29  Ian Lance Taylor  <iant@google.com>
1603
1604         PR gold/12804
1605         * testsuite/Makefile.am: Use different file name for two_file_test
1606         temporary file for each incremental test.
1607         * testsuite/Makefile.in: Rebuild.
1608
1609 2011-05-29  Ian Lance Taylor  <iant@google.com>
1610
1611         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1612         binary input file is empty.
1613
1614 2011-05-27  Ian Lance Taylor  <iant@google.com>
1615
1616         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1617         (ver_test_9.so): Likewise.
1618         * testsuite/Makefile.in: Rebuild.
1619
1620 2011-05-26 Cary Coutant  <ccoutant@google.com>
1621
1622         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1623         * incremental.cc (Incremental_inputs::report_input_section): Fix
1624         comment, indentation.
1625         (Incremental_inputs::report_comdat_group): New function.
1626         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1627         of data for incremental input file entry.
1628         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1629         group count, COMDAT group signatures.
1630         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1631         an unchanged input file.
1632         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1633         Initialize new data member.
1634         (Incremental_object_entry::add_comdat_group): New function.
1635         (Incremental_object_entry::get_comdat_group_count): New function.
1636         (Incremental_object_entry::get_comdat_signature_key): New function.
1637         (Incremental_object_entry::groups_): New data member.
1638         (Incremental_inputs::report_comdat_group): New function.
1639         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1640         data for incremental input file entry.
1641         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1642         (Incremental_input_entry_reader::get_input_section): Adjust size of
1643         data for incremental input file entry.
1644         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1645         (Incremental_input_entry_reader::get_comdat_group_signature): New
1646         function.
1647         * object.cc (Sized_relobj::include_section_group): Report kept
1648         COMDAT groups for incremental links.
1649
1650 2011-05-24  David Meyer  <pdox@google.com>
1651
1652         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1653         with name parameter.  Add found_name parameter.
1654         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1655         * dirsearch.h (class Dirsearch): Update declaration.
1656
1657 2011-05-24  Ian Lance Taylor  <iant@google.com>
1658
1659         * archive.cc (Library_base::should_include_member): Pull in object
1660         from archive if it defines the entry symbol.
1661         * parameters.cc (Parameters::entry): New function.
1662         * parameters.h (class Parameters): Declare entry.
1663         * output.h (class Output_file_header): Remove entry_ field.
1664         * output.cc (Output_file_header::Output_file_header): Remove entry
1665         parameter.  Change all callers.
1666         (Output_file_header::entry): Use parameters->entry.
1667         * gold.cc (queue_middle_tasks): Likewise.
1668         * plugin.cc (Plugin_hook::run): Likewise.
1669
1670 2011-05-24 Cary Coutant  <ccoutant@google.com>
1671
1672         * gold.cc (queue_initial_tasks): Pass incremental base filename
1673         to Output_file::open_base_file; don't print error message.
1674         * incremental-dump.cc (main): Adjust call to
1675         Output_file::open_for_modification.
1676         * incremental-dump.cc (main): Likewise.
1677         * incremental.cc (Incremental_inputs::report_command_line):
1678         Ignore --incremental-base option when comparing command lines.
1679         Ignore parameter when given as separate argument.
1680         * options.h (class General_options): Add --incremental-base.
1681         * output.cc (Output_file::Output_file):
1682         (Output_file::open_base_file): Add base_name and writable parameters;
1683         read base file into new file; print error message here.
1684         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1685         callers.
1686         * output.h (Output_file::open_for_modification): Rename to...
1687         (Output_file::open_base_file): ...this; add base_name and
1688         writable parameters; adjust all callers.
1689         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1690         callers.
1691         * testsuite/Makefile.am (incremental_test_4): Test
1692         --incremental-base.
1693         * testsuite/Makefile.in: Regenerate.
1694
1695 2011-05-24 Cary Coutant  <ccoutant@google.com>
1696
1697         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1698         incremental_test_4.
1699         * testsuite/Makefile.in: Regenerate.
1700         * testsuite/two_file_test_1_v1.cc: New test source file.
1701         * testsuite/two_file_test_1b_v1.cc: New test source file.
1702         * testsuite/two_file_test_2_v1.cc: New test source file.
1703
1704 2011-05-24 Cary Coutant  <ccoutant@google.com>
1705
1706         * dynobj.h (Dynobj::do_dynobj): New function.
1707         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1708         flag and soname for shared objects.
1709         * incremental.cc (Incremental_inputs::report_object): Make
1710         either Incremental_object_entry or Incremental_dynobj_entry; add
1711         soname to string table.
1712         (Incremental_inputs::report_input_section): Add assertion.
1713         (Output_section_incremental_inputs::set_final_data_size): Adjust
1714         type of input file entry for shared libraries; adjust size of
1715         shared library info entry.
1716         (Output_section_incremental_inputs::write_input_files): Write
1717         as_needed flag for shared libraries.
1718         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1719         of input file entry for shared libraries; write soname.
1720         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1721         soname from incremental info.
1722         * incremental.h (enum Incremental_input_flags): Add
1723         INCREMENTAL_INPUT_AS_NEEDED.
1724         (Incremental_input_entry::Incremental_input_entry): Initialize new
1725         data member.
1726         (Incremental_input_entry::set_as_needed): New function.
1727         (Incremental_input_entry::as_needed): New function.
1728         (Incremental_input_entry::do_dynobj_entry): New function.
1729         (Incremental_input_entry::as_needed_): New data member.
1730         (Incremental_object_entry::Incremental_object_entry): Don't check
1731         for shared library.
1732         (Incremental_object_entry::do_type): Likewise.
1733         (class Incremental_dynobj_entry): New class.
1734         (Incremental_input_entry_reader::as_needed): New function.
1735         (Incremental_input_entry_reader::get_soname): New function.
1736         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1737         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1738         size of shared library info entry.
1739         * layout.cc (Layout::finish_dynamic_section): Don't test for
1740         incremental link when adding DT_NEEDED entries.
1741         * object.h (Object::Object): Initialize new data member.
1742         (Object::dynobj): New function.
1743         (Object::set_as_needed): New function.
1744         (Object::as_needed): New function.
1745         (Object::do_dynobj): New function.
1746         (Object::as_needed_): New data member.
1747
1748 2011-05-24 Cary Coutant  <ccoutant@google.com>
1749
1750         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1751         info; adjust display of GOT entries.
1752         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1753         vector of input objects; remove file_status_.
1754         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1755         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1756         got_plt reader; call target hooks to reserve GOT entries.
1757         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1758         of input file info header and GOT info entry.
1759         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1760         relocation info.
1761         (Got_plt_view_info::got_descriptor): Remove.
1762         (Got_plt_view_info::sym_index): New data member.
1763         (Got_plt_view_info::input_index): New data member.
1764         (Local_got_offset_visitor::visit): Write input file index.
1765         (Global_got_offset_visitor::visit): Write 0 for input file index.
1766         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1767         with sym_index and input_index.
1768         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1769         incremental info GOT entry; replace got_descriptor with input_index.
1770         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1771         map from input file index to object.
1772         (Sized_relobj_incr::do_layout): Replace direct data member reference
1773         with accessor function.
1774         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1775         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1776         Adjust size of input file info header.
1777         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1778         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1779         (Incremental_input_entry_reader::get_input_section): Adjust size of
1780         input file info header.
1781         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1782         of incremental info GOT entry.
1783         (Incremental_got_plt_reader::get_got_desc): Remove.
1784         (Incremental_got_plt_reader::get_got_symndx): New function.
1785         (Incremental_got_plt_reader::get_got_input_index): New function.
1786         (Sized_incremental_binary::Sized_incremental_binary): Remove
1787         file_status_; add input_objects_.
1788         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1789         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1790         (Sized_incremental_binary::file_is_unchanged): Remove.
1791         (Sized_incremental_binary::set_input_object): New function.
1792         (Sized_incremental_binary::input_object): New function.
1793         (Sized_incremental_binary::file_status_): Remove.
1794         (Sized_incremental_binary::input_objects_): New data member.
1795         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1796         references.
1797         (Sized_relobj_incr::invalid_address): Move to base class.
1798         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1799         class.
1800         (Sized_relobj_incr::do_output_section_offset): Likewise.
1801         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1802         (Sized_relobj_incr::section_offsets_): Likewise.
1803         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1804         function.
1805         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1806         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1807         with accessor function.
1808         (Sized_relobj_file::do_layout): Likewise.
1809         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1810         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1811         (Sized_relobj_file::compute_final_local_value): Replace refs to
1812         section_offsets_ with accessor function.
1813         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1814         * object.h (Relobj::Relobj): Initialize new data members.
1815         (Relobj::add_dyn_reloc): New function.
1816         (Relobj::first_dyn_reloc): New function.
1817         (Relobj::dyn_reloc_count): New function.
1818         (Relobj::first_dyn_reloc_): New data member.
1819         (Relobj::dyn_reloc_count_): New data member.
1820         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1821         references.
1822         (Sized_relobj::Address): New typedef.
1823         (Sized_relobj::invalid_address): Move here from child class.
1824         (Sized_relobj::Sized_relobj): Initialize new data members.
1825         (Sized_relobj::sized_relobj): New function.
1826         (Sized_relobj::is_output_section_offset_invalid): Move here from
1827         child class.
1828         (Sized_relobj::get_output_section_offset): Likewise.
1829         (Sized_relobj::local_has_got_offset): Likewise.
1830         (Sized_relobj::local_got_offset): Likewise.
1831         (Sized_relobj::set_local_got_offset): Likewise.
1832         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1833         (Sized_relobj::clear_got_offsets): New function.
1834         (Sized_relobj::section_offsets): Move here from child class.
1835         (Sized_relobj::do_output_section_offset): Likewise.
1836         (Sized_relobj::do_set_section_offset): Likewise.
1837         (Sized_relobj::Local_got_offsets): Likewise.
1838         (Sized_relobj::local_got_offsets_): Likewise.
1839         (Sized_relobj::section_offsets_): Likewise.
1840         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1841         references.
1842         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1843         class.
1844         (Sized_relobj_file::sized_relobj): New function
1845         (Sized_relobj_file::local_has_got_offset): Move to base class.
1846         (Sized_relobj_file::local_got_offset): Likewise.
1847         (Sized_relobj_file::set_local_got_offset): Likewise.
1848         (Sized_relobj_file::get_output_section_offset): Likewise.
1849         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1850         (Sized_relobj_file::do_output_section_offset): Likewise.
1851         (Sized_relobj_file::do_set_section_offset): Likewise.
1852         (Sized_relobj_file::Local_got_offsets): Likewise.
1853         (Sized_relobj_file::local_got_offsets_): Likewise.
1854         (Sized_relobj_file::section_offsets_): Likewise.
1855         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1856         (all constructors).
1857         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1858         (Output_reloc::get_symbol_index): Likewise.
1859         (Output_reloc::local_section_offset): Likewise.
1860         (Output_reloc::get_address): Likewise.
1861         (Output_reloc::symbol_value): Likewise.
1862         (Output_data_got::reserve_slot): Move to class definition.
1863         (Output_data_got::reserve_local): New function.
1864         (Output_data_got::reserve_slot_for_global): Remove.
1865         (Output_data_got::reserve_global): New function.
1866         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1867         (all constructors, two instantiations).
1868         (Output_reloc::get_relobj): New function (two instantiations).
1869         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1870         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1871         (Output_data_reloc::add_global): Adjust type of relobj.
1872         (Output_data_reloc::add_global_relative): Likewise.
1873         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1874         (Output_data_reloc::add_local): Likewise.
1875         (Output_data_reloc::add_local_relative): Likewise.
1876         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1877         (Output_data_reloc::add_local_section): Likewise.
1878         (Output_data_reloc::add_output_section): Likewise.
1879         (Output_data_reloc::add_absolute): Likewise.
1880         (Output_data_reloc::add_target_specific): Likewise.
1881         (Output_data_got::reserve_slot): Move definition here.
1882         (Output_data_got::reserve_local): New function.
1883         (Output_data_got::reserve_global): New function.
1884         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1885         section_offsets_ with accessor function.
1886         (Sized_relobj_file::write_sections): Likewise.
1887         (Sized_relobj_file::do_relocate_sections): Likewise.
1888         * target.h (Sized_target::reserve_local_got_entry): New function.
1889         (Sized_target::reserve_global_got_entry): New function.
1890         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1891         (Target_x86_64::reserve_global_got_entry): New function.
1892         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1893
1894 2011-05-23 Cary Coutant  <ccoutant@google.com>
1895
1896         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1897         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1898         bit when checking got_type.
1899         * incremental.cc (Sized_incremental_binary::setup_readers):
1900         Store symbol table and string table locations; initialize bit vector
1901         of file status flags.
1902         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1903         unchanged files.
1904         (Sized_incremental_binary::do_process_got_plt): New function.
1905         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1906         (Output_section_incremental_inputs::set_final_data_size): Record
1907         file index for each input file.
1908         (Output_section_incremental_inputs::write_got_plt): Store file index
1909         instead of input entry offset for each GOT entry.
1910         * incremental.h
1911         (Incremental_input_entry::Incremental_input_entry): Initialize new
1912         data member.
1913         (Incremental_input_entry::set_offset): Store file index.
1914         (Incremental_input_entry::get_file_index): New function.
1915         (Incremental_input_entry::file_index_): New data member.
1916         (Incremental_binary::process_got_plt): New function.
1917         (Incremental_binary::do_process_got_plt): New function.
1918         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1919         data members.
1920         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1921         (Sized_incremental_binary::set_file_is_unchanged): New function.
1922         (Sized_incremental_binary::file_is_unchanged): New function.
1923         (Sized_incremental_binary::do_process_got_plt): New function.
1924         (Sized_incremental_binary::file_status_): New data member.
1925         (Sized_incremental_binary::main_symtab_loc_): New data member.
1926         (Sized_incremental_binary::main_strtab_loc_): New data member.
1927         * output.cc (Output_data_got::Got_entry::write): Add case
1928         RESERVED_CODE.
1929         (Output_data_got::add_global): Call add_got_entry.
1930         (Output_data_got::add_global_plt): Likewise.
1931         (Output_data_got::add_global_with_rel): Likewise.
1932         (Output_data_got::add_global_with_rela): Likewise.
1933         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1934         (Output_data_got::add_global_pair_with_rela): Likewise.
1935         (Output_data_got::add_local): Call add_got_entry.
1936         (Output_data_got::add_local_plt): Likewise.
1937         (Output_data_got::add_local_with_rel): Likewise.
1938         (Output_data_got::add_local_with_rela): Likewise.
1939         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1940         (Output_data_got::add_local_pair_with_rela): Likewise.
1941         (Output_data_got::reserve_slot): New function.
1942         (Output_data_got::reserve_slot_for_global): New function.
1943         (Output_data_got::add_got_entry): New function.
1944         (Output_data_got::add_got_entry_pair): New function.
1945         (Output_section::add_output_section_data): Edit FIXME.
1946         * output.h
1947         (Output_section_data_build::Output_section_data_build): New
1948         constructor with size parameter.
1949         (Output_data_space::Output_data_space): Likewise.
1950         (Output_data_got::Output_data_got): Initialize new data member; new
1951         constructor with size parameter.
1952         (Output_data_got::add_constant): Call add_got_entry.
1953         (Output_data_got::reserve_slot): New function.
1954         (Output_data_got::reserve_slot_for_global): New function.
1955         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1956         (Output_data_got::add_got_entry): New function.
1957         (Output_data_got::add_got_entry_pair): New function.
1958         (Output_data_got::free_list_): New data member.
1959         * target.h (Sized_target::init_got_plt_for_update): New function.
1960         (Sized_target::register_global_plt_entry): New function.
1961         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1962         Initialize new data member; call init; add constructor with PLT count.
1963         (Output_data_plt_x86_64::init): New function.
1964         (Output_data_plt_x86_64::add_relocation): New function.
1965         (Output_data_plt_x86_64::reserve_slot): New function.
1966         (Output_data_plt_x86_64::free_list_): New data member.
1967         (Target_x86_64::init_got_plt_for_update): New function.
1968         (Target_x86_64::register_global_plt_entry): New function.
1969         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1970         incremental updates.
1971         (Output_data_plt_x86_64::add_relocation): New function.
1972         * testsuite/object_unittest.cc (Object_test): Set default options.
1973
1974 2011-05-16  Ian Lance Taylor  <iant@google.com>
1975
1976         * options.h (class General_options): Make -i a synonym for -r.
1977
1978 2011-05-16  Ian Lance Taylor  <iant@google.com>
1979
1980         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1981
1982 2011-05-10 Cary Coutant  <ccoutant@google.com>
1983
1984         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1985         strip_all (-s).
1986
1987 2011-05-06  Ian Lance Taylor  <iant@google.com>
1988
1989         * layout.cc (Layout::layout): If the output section flags change,
1990         update the ordering.
1991
1992 2011-04-25 Cary Coutant  <ccoutant@google.com>
1993
1994         * incremental-dump.cc (dump_incremental_inputs): Print local
1995         symbol info for each input file.
1996         * incremental.cc
1997         (Output_section_incremental_inputs::set_final_data_size): Add local
1998         symbol info to input file entries in incremental info.
1999         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2000         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2001         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2002         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2003         implementation.
2004         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2005         (Sized_incr_relobj::do_relocate): Write the local symbols.
2006         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2007         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2008         Adjust size of input file header.
2009         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2010         (Incremental_inputs_reader::get_local_symbol_count): New function.
2011         (Incremental_inputs_reader::get_input_section): Adjust size of input
2012         file header.
2013         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2014         (Sized_incr_relobj::This): New typedef.
2015         (Sized_incr_relobj::sym_size): New const data member.
2016         (Sized_incr_relobj::Local_symbol): New struct.
2017         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2018         (Sized_incr_relobj::do_local_symbol_offset): New function.
2019         (Sized_incr_relobj::local_symbol_count_): New data member.
2020         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2021         (Sized_incr_relobj::local_symbol_index_): New data member.
2022         (Sized_incr_relobj::local_symbol_offset_): New data member.
2023         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2024         (Sized_incr_relobj::local_symbols_): New data member.
2025         * object.h (Relobj::output_local_symbol_count): New function.
2026         (Relobj::local_symbol_offset): New function.
2027         (Relobj::do_output_local_symbol_count): New function.
2028         (Relobj::do_local_symbol_offset): New function.
2029         (Sized_relobj::do_output_local_symbol_count): New function.
2030         (Sized_relobj::do_local_symbol_offset): New function.
2031
2032 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2033
2034         * descriptors.cc (set_close_on_exec): New function.
2035         (Descriptors::open): Use set_close_on_exec.
2036         * output.cc (S_ISLNK): Define if not defined.
2037
2038 2011-04-22 Cary Coutant  <ccoutant@google.com>
2039
2040         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2041         global symbol map.
2042         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2043         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2044         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2045         relocations.
2046         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2047         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2048         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2049         * incremental.h
2050         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2051         function.
2052         (Incremental_binary::apply_incremental_relocs): New function.
2053         (Incremental_binary::do_apply_incremental_relocs): New function.
2054         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2055         data member.
2056         (Sized_incremental_binary::add_global_symbol): New function.
2057         (Sized_incremental_binary::global_symbol): New function.
2058         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2059         (Sized_incremental_binary::symbol_map_): New data member.
2060         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2061         * target.h (Sized_target::apply_relocation): New function.
2062         * target-reloc.h (apply_relocation): New function.
2063         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2064
2065 2011-04-22  Doug Kwan  <dougkwan@google.com>
2066
2067         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2068         flag of a SHT_ARM_EXIDX section.
2069         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2070         * testsuite/Makefile.in: Regenerate.
2071         * testsuite/arm_exidx_test.s: New file.
2072         * testsuite/arm_exidx_test.sh: Same.
2073
2074 2011-04-20 Cary Coutant  <ccoutant@google.com>
2075
2076         PR gold/12689
2077         * archive.h (Incremental_archive_entry::Archive_member):
2078         Initialize arg_serial_ (second constructor).
2079
2080 2011-04-17  Ian Lance Taylor  <iant@google.com>
2081
2082         * object.cc (Relocate_info::location): Simplify location string.
2083         * errors.cc (Errors::error_at_location): Don't print program
2084         name.
2085         (Errors::warning_at_location): Likewise.
2086         (Errors::undefined_symbol): Likewise.
2087         * testsuite/debug_msg.sh: Update accordingly.
2088
2089 2011-04-14 Cary Coutant  <ccoutant@google.com>
2090
2091         * gold/layout.cc (Layout::symtab_section_offset): New function.
2092         * gold/layout.h (Layout::symtab_section_offset): New function.
2093         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2094
2095 2011-04-12  Ian Lance Taylor  <iant@google.com>
2096
2097         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2098         with MREMAP_MAYMOVE.
2099         * output.h (class Output_file): Add map_is_allocated_ field.
2100         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2101         not available, provide stubs.  If mremap is not available, #define
2102         it to gold_mremap.
2103         (MREMAP_MAYMOVE): Define if not defined.
2104         (Output_file::Output_file): Initialize map_is_allocated_.
2105         (Output_file::resize): Check map_is_allocated_.
2106         (Output_file::map_anonymous): If mmap fails, use malloc.
2107         (Output_file::unmap): Don't do anything for an anonymous map.
2108         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2109         is not available, provide stubs.
2110         (File_read::View::~View): Use free rather than delete[].
2111         (File_read::make_view): Use malloc rather than new[].  If mmap
2112         fails, use malloc.
2113         (File_read::find_or_make_view): Use malloc rather than new[].
2114         * gold.h: Remove HAVE_REMAP code.
2115         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2116         exists.  Rename mremap to gold_mremap.  If mmap is not available
2117         don't do anything.
2118         * configure, config.in: Rebuild.
2119
2120 2011-04-11  Ian Lance Taylor  <iant@google.com>
2121
2122         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2123         initialize local variable v.
2124
2125 2011-04-11  Cary Coutant  <ccoutant@google.com>
2126
2127         * archive.cc (Archive::include_member): Adjust call to
2128         report_object.
2129         (Add_archive_symbols::run): Track argument serial numbers.
2130         (Lib_group::include_member): Likewise.
2131         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2132         * archive.h (Incremental_archive_entry::Archive_member):
2133         Initialize arg_serial_.
2134         (Archive_member::arg_serial_): New data member.
2135         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2136         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2137         incremental link.
2138         (Sized_dynobj::do_for_all_local_got_entries): New function.
2139         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2140         function.
2141         * fileread.cc (get_mtime): New function.
2142         * fileread.h (get_mtime): New function.
2143         * gold.cc (queue_initial_tasks): Check for incremental update.
2144         (process_incremental_input): New function.
2145         (queue_middle_tasks): Don't force valid target for incremental
2146         update.
2147         * incremental-dump.cc (find_input_containing_global): Adjust
2148         size of symbol info entry.
2149         (dump_incremental_inputs): Dump argument serial number and
2150         in_system_directory flag; bias shndx by 1; print symbol names
2151         when dumping per-file symbol lists; use new symbol info readers.
2152         * incremental.cc
2153         (Output_section_incremental_inputs:update_data_size): New function.
2154         (Sized_incremental_binary::setup_readers): Setup input readers
2155         for each input file; build maps for files added from libraries
2156         and scripts.
2157         (Sized_incremental_binary::check_input_args): New function.
2158         (Sized_incremental_binary::do_check_inputs): Build map of argument
2159         serial numbers to input arguments.
2160         (Sized_incremental_binary::do_file_has_changed): Rename
2161         do_file_is_unchanged to this; compare file modification times.
2162         (Sized_incremental_binary::do_init_layout): New function.
2163         (Sized_incremental_binary::do_reserve_layout): New function.
2164         (Sized_incremental_binary::do_get_input_reader): Remove.
2165         (Sized_incremental_binary::get_symtab_view): New function.
2166         (Incremental_checker::can_incrementally_link_output_file): Remove.
2167         (Incremental_inputs::report_command_line): Exclude --debug options.
2168         (Incremental_inputs::report_archive_begin): Add parameter; track
2169         argument serial numbers; don't put input file entry for archive
2170         before archive members.
2171         (Incremental_inputs::report_archive_end): Put input file entry
2172         for archive after archive members.
2173         (Incremental_inputs::report_object): Add parameter; track argument
2174         serial numbers and in_system_directory flag.
2175         (Incremental_inputs::report_script): Add parameter; track argument
2176         serial numbers.
2177         (Output_section_incremental_inputs::set_final_data_size): Adjust
2178         size of symbol info entry; check for forwarding symbols.
2179         (Output_section_incremental_inputs::write_input_files): Write
2180         in_system_directory flag and argument serial number.
2181         (Output_section_incremental_inputs::write_info_blocks): Map section
2182         indices between incremental info and original input file; store
2183         input section index for each symbol.
2184         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2185         change operator() to visit().
2186         (class Global_got_offset_visitor): Likewise.
2187         (class Global_symbol_visitor_got_plt):
2188         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2189         classes.
2190         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2191         (Sized_incr_relobj::do_read_symbols): New function.
2192         (Sized_incr_relobj::do_layout): New function.
2193         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2194         (Sized_incr_relobj::do_add_symbols): New function.
2195         (Sized_incr_relobj::do_should_include_member): New function.
2196         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2197         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2198         (Sized_incr_relobj::do_section_size): New function.
2199         (Sized_incr_relobj::do_section_name): New function.
2200         (Sized_incr_relobj::do_section_contents): New function.
2201         (Sized_incr_relobj::do_section_flags): New function.
2202         (Sized_incr_relobj::do_section_entsize): New function.
2203         (Sized_incr_relobj::do_section_address): New function.
2204         (Sized_incr_relobj::do_section_type): New function.
2205         (Sized_incr_relobj::do_section_link): New function.
2206         (Sized_incr_relobj::do_section_info): New function.
2207         (Sized_incr_relobj::do_section_addralign): New function.
2208         (Sized_incr_relobj::do_initialize_xindex): New function.
2209         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2210         (Sized_incr_relobj::do_read_relocs): New function.
2211         (Sized_incr_relobj::do_gc_process_relocs): New function.
2212         (Sized_incr_relobj::do_scan_relocs): New function.
2213         (Sized_incr_relobj::do_count_local_symbols): New function.
2214         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2215         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2216         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2217         (Sized_incr_relobj::do_relocate): New function.
2218         (Sized_incr_relobj::do_set_section_offset): New function.
2219         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2220         (Sized_incr_dynobj::do_read_symbols): New function.
2221         (Sized_incr_dynobj::do_layout): New function.
2222         (Sized_incr_dynobj::do_add_symbols): New function.
2223         (Sized_incr_dynobj::do_should_include_member): New function.
2224         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2225         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2226         (Sized_incr_dynobj::do_section_size): New function.
2227         (Sized_incr_dynobj::do_section_name): New function.
2228         (Sized_incr_dynobj::do_section_contents): New function.
2229         (Sized_incr_dynobj::do_section_flags): New function.
2230         (Sized_incr_dynobj::do_section_entsize): New function.
2231         (Sized_incr_dynobj::do_section_address): New function.
2232         (Sized_incr_dynobj::do_section_type): New function.
2233         (Sized_incr_dynobj::do_section_link): New function.
2234         (Sized_incr_dynobj::do_section_info): New function.
2235         (Sized_incr_dynobj::do_section_addralign): New function.
2236         (Sized_incr_dynobj::do_initialize_xindex): New function.
2237         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2238         (make_sized_incremental_object): New function.
2239         (Incremental_library::copy_unused_symbols): New function.
2240         (Incremental_library::do_for_all_unused_symbols): New function.
2241         * incremental.h (enum Incremental_input_flags): New type.
2242         (class Incremental_checker): Remove.
2243         (Incremental_input_entry::Incremental_input_entry): Add argument
2244         serial number.
2245         (Incremental_input_entry::arg_serial): New function.
2246         (Incremental_input_entry::set_is_in_system_directory): New function.
2247         (Incremental_input_entry::is_in_system_directory): New function.
2248         (Incremental_input_entry::arg_serial_): New data member.
2249         (Incremental_input_entry::is_in_system_directory_): New data member.
2250         (class Script_info): Move here from script.h.
2251         (Script_info::Script_info): Add filename parameter.
2252         (Script_info::filename): New function.
2253         (Script_info::filename_): New data member.
2254         (Incremental_script_entry::Incremental_script_entry): Add argument
2255         serial number.
2256         (Incremental_object_entry::Incremental_object_entry): Likewise.
2257         (Incremental_object_entry::add_input_section): Build list of input
2258         sections with map to original shndx.
2259         (Incremental_object_entry::get_input_section_index): New function.
2260         (Incremental_object_entry::shndx_): New data member.
2261         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2262         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2263         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2264         serial number.
2265         (Incremental_inputs::report_archive_begin): Likewise.
2266         (Incremental_inputs::report_object): Likewise.
2267         (Incremental_inputs::report_script): Likewise.
2268         (class Incremental_global_symbol_reader): New class.
2269         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2270         and store flags and input file type.
2271         (Incremental_input_entry_reader::arg_serial): New function.
2272         (Incremental_input_entry_reader::type): Extract type from flags.
2273         (Incremental_input_entry_reader::is_in_system_directory): New function.
2274         (Incremental_input_entry_reader::get_input_section_count): Call
2275         accessor function for type.
2276         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2277         function for type; adjust size of global symbol entry.
2278         (Incremental_input_entry_reader::get_global_symbol_count): Call
2279         accessor function for type.
2280         (Incremental_input_entry_reader::get_object_count): Likewise.
2281         (Incremental_input_entry_reader::get_object_offset): Likewise.
2282         (Incremental_input_entry_reader::get_member_count): Likewise.
2283         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2284         (Incremental_input_entry_reader::get_member_offset): Likewise.
2285         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2286         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2287         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2288         (Incremental_input_entry_reader::get_global_symbol_reader): New
2289         function.
2290         (Incremental_input_entry_reader::get_output_symbol_index): New
2291         function.
2292         (Incremental_input_entry_reader::type_): Remove.
2293         (Incremental_input_entry_reader::flags_): New data member.
2294         (Incremental_inputs_reader::input_file_offset): New function.
2295         (Incremental_inputs_reader::input_file_index): New function.
2296         (Incremental_inputs_reader::input_file): Call input_file_offset.
2297         (Incremental_inputs_reader::input_file_at_offset): New function.
2298         (Incremental_relocs_reader::get_r_type): Reformat.
2299         (Incremental_relocs_reader::get_r_shndx): Reformat.
2300         (Incremental_relocs_reader::get_r_offset): Reformat.
2301         (Incremental_relocs_reader::data): New function.
2302         (Incremental_binary::Incremental_binary): Initialize new data members.
2303         (Incremental_binary::check_inputs): Add cmdline parameter.
2304         (Incremental_binary::file_is_unchanged): Remove.
2305         (Input_reader::arg_serial): New function.
2306         (Input_reader::get_unused_symbol_count): New function.
2307         (Input_reader::get_unused_symbol): New function.
2308         (Input_reader::do_arg_serial): New function.
2309         (Input_reader::do_get_unused_symbol_count): New function.
2310         (Input_reader::do_get_unused_symbol): New function.
2311         (Incremental_binary::input_file_count): New function.
2312         (Incremental_binary::get_input_reader): Change signature to use
2313         index instead of filename.
2314         (Incremental_binary::file_has_changed): New function.
2315         (Incremental_binary::get_input_argument): New function.
2316         (Incremental_binary::get_library): New function.
2317         (Incremental_binary::get_script_info): New function.
2318         (Incremental_binary::init_layout): New function.
2319         (Incremental_binary::reserve_layout): New function.
2320         (Incremental_binary::output_file): New function.
2321         (Incremental_binary::do_check_inputs): New function.
2322         (Incremental_binary::do_file_is_unchanged): Remove.
2323         (Incremental_binary::do_file_has_changed): New function.
2324         (Incremental_binary::do_init_layout): New function.
2325         (Incremental_binary::do_reserve_layout): New function.
2326         (Incremental_binary::do_input_file_count): New function.
2327         (Incremental_binary::do_get_input_reader): Change signature.
2328         (Incremental_binary::input_args_map_): New data member.
2329         (Incremental_binary::library_map_): New data member.
2330         (Incremental_binary::script_map_): New data member.
2331         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2332         new data members.
2333         (Sized_incremental_binary::output_section): New function.
2334         (Sized_incremental_binary::inputs_reader): Add const.
2335         (Sized_incremental_binary::symtab_reader): Add const.
2336         (Sized_incremental_binary::relocs_reader): Add const.
2337         (Sized_incremental_binary::got_plt_reader): Add const.
2338         (Sized_incremental_binary::get_symtab_view): New function.
2339         (Sized_incremental_binary::Inputs_reader): New typedef.
2340         (Sized_incremental_binary::Input_entry_reader): New typedef.
2341         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2342         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2343         (Sized_incremental_binary::do_file_has_changed): New function.
2344         (Sized_incremental_binary::do_init_layout): New function.
2345         (Sized_incremental_binary::do_reserve_layout): New function.
2346         (Sized_input_reader::Inputs_reader): Remove.
2347         (Sized_input_reader::Input_entry_reader): Remove.
2348         (Sized_input_reader::do_arg_serial): New function.
2349         (Sized_input_reader::do_get_unused_symbol_count): New function.
2350         (Sized_input_reader::do_get_unused_symbol): New function.
2351         (Sized_incremental_binary::do_input_file_count): New function.
2352         (Sized_incremental_binary::do_get_input_reader): Change signature;
2353         use index instead of filename.
2354         (Sized_incremental_binary::section_map_): New data member.
2355         (Sized_incremental_binary::input_entry_readers_): New data member.
2356         (class Sized_incr_relobj): New class.
2357         (class Sized_incr_dynobj): New class.
2358         (make_sized_incremental_object): New function.
2359         (class Incremental_library): New class.
2360         * layout.cc (Free_list::num_lists): New static data member.
2361         (Free_list::num_nodes): New static data member.
2362         (Free_list::num_removes): New static data member.
2363         (Free_list::num_remove_visits): New static data member.
2364         (Free_list::num_allocates): New static data member.
2365         (Free_list::num_allocate_visits): New static data member.
2366         (Free_list::init): New function.
2367         (Free_list::remove): New function.
2368         (Free_list::allocate): New function.
2369         (Free_list::dump): New function.
2370         (Free_list::print_stats): New function.
2371         (Layout_task_runner::run): Resize output file for incremental updates.
2372         (Layout::Layout): Initialize new data members.
2373         (Layout::set_incremental_base): New function.
2374         (Layout::init_fixed_output_section): New function.
2375         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2376         incremental updates.
2377         (Layout::create_gold_note): Do not create gold note section for
2378         incremental updates.
2379         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2380         for incremental updates.
2381         (Layout::set_section_offsets): For incremental updates, allocate space
2382         from free list.
2383         (Layout::create_symtab_sections): Layout with offsets relative to
2384         start of section; for incremental updates, allocate space from free
2385         list.
2386         (Layout::create_shdrs): For incremental updates, allocate space from
2387         free list.
2388         (Layout::finish_dynamic_section): For incremental updates, do not
2389         check --as-needed (fixed in subsequent patch).
2390         * layout.h (class Free_list): New class.
2391         (Layout::set_incremental_base): New function.
2392         (Layout::incremental_base): New function.
2393         (Layout::init_fixed_output_section): New function.
2394         (Layout::allocate): New function.
2395         (Layout::incremental_base_): New data member.
2396         (Layout::free_list_): New data member.
2397         * main.cc (main): Print Free_list statistics.
2398         * object.cc (Relobj::finalize_incremental_relocs): Add
2399         clear_counts parameter; clear counts only when clear_counts is set.
2400         (Sized_relobj::Sized_relobj): Initialize new base class.
2401         (Sized_relobj::do_layout): Don't report special sections.
2402         (Sized_relobj::do_for_all_local_got_entries): New function.
2403         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2404         symtab_off to all symbol table offsets.
2405         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2406         * object.h (class Got_offset_list): Move to top of file.
2407         (Object::Object): Allow case where input_file == NULL.
2408         (Object::~Object): Likewise.
2409         (Object::input_file): Assert that input_file != NULL.
2410         (Object::lock): Allow case where input_file == NULL.
2411         (Object::unlock): Likewise.
2412         (Object::is_locked): Likewise.
2413         (Object::token): Likewise.
2414         (Object::release): Likewise.
2415         (Object::is_incremental): New function.
2416         (Object::get_mtime): New function.
2417         (Object::for_all_local_got_entries): New function.
2418         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2419         (Object::set_is_in_system_directory): New function.
2420         (Object::is_in_system_directory): New function.
2421         (Object::do_is_incremental): New function.
2422         (Object::do_get_mtime): New function.
2423         (Object::do_for_all_local_got_entries): New function.
2424         (Object::is_in_system_directory_): New data member.
2425         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2426         (class Sized_relobj_base): New class.
2427         (class Sized_relobj): Derive from Sized_relobj_base.
2428         (class Sized_relobj::Symbols): Redeclare from base class.
2429         (class Sized_relobj::local_got_offset_list): Remove.
2430         (class Sized_relobj::Output_sections): Redeclare from base class.
2431         (class Sized_relobj::do_for_all_local_got_entries): New function.
2432         (class Sized_relobj::write_local_symbols): Add offset parameter.
2433         (class Sized_relobj::local_symbol_offset_): Update comment.
2434         (class Sized_relobj::local_dynsym_offset_): Update comment.
2435         * options.cc (Input_arguments::add_file): Remove const.
2436         * options.h (Input_file_argument::Input_file_argument):
2437         Initialize arg_serial_ (all constructors).
2438         (Input_file_argument::set_arg_serial): New function.
2439         (Input_file_argument::arg_serial): New function.
2440         (Input_file_argument::arg_serial_): New data member.
2441         (Input_arguments::Input_arguments): Initialize file_count_.
2442         (Input_arguments::add_file): Remove const.
2443         (Input_arguments::number_of_input_files): New function.
2444         (Input_arguments::file_count_): New data member.
2445         (Command_line::number_of_input_files): Call
2446         Input_arguments::number_of_input_files.
2447         * output.cc (Output_segment_headers::Output_segment_headers):
2448         Set current size.
2449         (Output_section::Input_section::current_data_size): New function.
2450         (Output_section::Output_section): Initialize new data members.
2451         (Output_section::add_input_section): Don't do merge sections for
2452         an incremental link; allocate space from free list for an
2453         incremental update.
2454         (Output_section::add_output_section_data): Allocate space from
2455         free list for an incremental update.
2456         (Output_section::update_data_size): New function.
2457         (Output_section::set_fixed_layout): New function.
2458         (Output_section::reserve): New function.
2459         (Output_segment::set_section_addresses): Remove const.
2460         (Output_segment::set_section_list_addresses): Remove const; allocate
2461         space from free list for an incremental update.
2462         (Output_segment::set_offset): Adjust size of RELRO segment for an
2463         incremental update.
2464         * output.h (Output_data::current_data_size): Move here from
2465         child classes.
2466         (Output_data::pre_finalize_data_size): New function.
2467         (Output_data::update_data_size): New function.
2468         (Output_section_headers::update_data_size): new function.
2469         (Output_section_data_build::current_data_size): Move to Output_data.
2470         (Output_data_strtab::update_data_size): New function.
2471         (Output_section::current_data_size): Move to Output_data.
2472         (Output_section::set_fixed_layout): New function.
2473         (Output_section::has_fixed_layout): New function.
2474         (Output_section::reserve): New function.
2475         (Output_section::update_data_size): New function.
2476         (Output_section::has_fixed_layout_): New data member.
2477         (Output_section::free_list_): New data member.
2478         (Output_segment::set_section_addresses): Remove const.
2479         (Output_segment::set_section_list_addresses): Remove const.
2480         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2481         New function.
2482         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2483         New function.
2484         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2485         parameter when calling Add_symbols constructor; store argument
2486         serial number for members of a lib group.
2487         (Add_symbols::locks): Allow case where token == NULL.
2488         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2489         (Read_member::~Read_member): New function.
2490         (Read_member::is_runnable): New function.
2491         (Read_member::locks): New function.
2492         (Read_member::run): New function.
2493         (Check_script::~Check_script): New function.
2494         (Check_script::is_runnable): New function.
2495         (Check_script::locks): New function.
2496         (Check_script::run): New function.
2497         (Check_library::~Check_library): New function.
2498         (Check_library::is_runnable): New function.
2499         (Check_library::locks): New function.
2500         (Check_library::run): New function.
2501         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2502         (Add_symbols::library_): New data member.
2503         (class Read_member): New class.
2504         (class Check_script): New class.
2505         (class Check_library): New class.
2506         * reloc.cc (Read_relocs::is_runnable): Allow case where
2507         token == NULL.
2508         (Read_relocs::locks): Likewise.
2509         (Scan_relocs::locks): Likewise.
2510         (Relocate_task::locks): Likewise.
2511         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2512         to clear counters.
2513         (Sized_relobj::incremental_relocs_scan): Fix comment.
2514         (Sized_relobj::do_relocate): Pass output file offset to
2515         write_local_symbols.
2516         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2517         from class declaration.
2518         * script.cc (read_input_script): Allocate Script_info; pass
2519         argument serial number to report_script.
2520         * script.h (class Script_info): Move to incremental.h.
2521         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2522         * symtab.h (Symbol_table::add_from_incrobj): New function.
2523         (Symbol_table::set_file_offset): New function.
2524
2525 2011-04-05  Cary Coutant  <ccoutant@google.com>
2526
2527         * incremental-dump.cc (dump_incremental_inputs): Change signature
2528         to take a Sized_incremental_binary; change caller.  Use readers
2529         in Sized_incremental_binary.
2530         * incremental.cc
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::do_check_inputs): Check
2535         has_incremental_info_ flag; move setup code to setup_readers;
2536         use input readers.
2537         (Sized_incremental_binary::do_file_is_unchanged): New function.
2538         (Sized_incremental_binary::do_get_input_reader): New function.
2539         * incremental.h (class Incremental_binary): Move to end of file.
2540         (Incremental_binary::file_is_unchanged): New function.
2541         (Incremental_binary::do_file_is_unchanged): New function.
2542         (Incremental_binary::Input_reader): New class.
2543         (Incremental_binary::get_input_reader): New function.
2544         (class Sized_incremental_binary): Move to end of file.
2545         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2546         input section reader classes.
2547         (Sized_incremental_binary::has_incremental_info): New function.
2548         (Sized_incremental_binary::inputs_reader): New function.
2549         (Sized_incremental_binary::symtab_reader): New function.
2550         (Sized_incremental_binary::relocs_reader): New function.
2551         (Sized_incremental_binary::got_plt_reader): New function.
2552         (Sized_incremental_binary::do_file_is_unchanged): New function.
2553         (Sized_incremental_binary::Sized_input_reader): New class.
2554         (Sized_incremental_binary::get_input_reader): New function.
2555         (Sized_incremental_binary::find_incremental_inputs_sections):
2556         Rename do_find_incremental_inputs_sections to this.
2557         (Sized_incremental_binary::setup_readers): New function.
2558         (Sized_incremental_binary::has_incremental_info_): New data member.
2559         (Sized_incremental_binary::inputs_reader_): New data member.
2560         (Sized_incremental_binary::symtab_reader_): New data member.
2561         (Sized_incremental_binary::relocs_reader_): New data member.
2562         (Sized_incremental_binary::got_plt_reader_): New data member.
2563         (Sized_incremental_binary::current_input_file_): New data member.
2564
2565 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2566
2567         PR gold/12640
2568         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2569         violation.
2570
2571 2011-03-30  Cary Coutant  <ccoutant@google.com>
2572
2573         * archive.cc (Archive::include_member): Adjust call to report_object.
2574         (Add_archive_symbols::run): Add script_info to call to
2575         report_archive_begin.
2576         (Lib_group::include_member): Adjust call to report_object.
2577         (Add_lib_group_symbols::run): Adjust call to report_object.
2578         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2579         blocks.  Add object count for script input files.
2580         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2581         script_info parameter; change all callers.
2582         (Incremental_inputs::report_object): Add script_info parameter;
2583         change all callers.
2584         (Incremental_inputs::report_script): Store backpointer to
2585         incremental info entry.
2586         (Output_section_incremental_inputs::set_final_data_size): Record
2587         additional information for scripts.
2588         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2589         * incremental.h (Incremental_script_entry::add_object): New function.
2590         (Incremental_script_entry::get_object_count): New function.
2591         (Incremental_script_entry::get_object): New function.
2592         (Incremental_script_entry::objects_): New data member; adjust
2593         constructor.
2594         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2595         (Incremental_inputs::report_object): Add script_info parameter.
2596         (Incremental_inputs_reader::get_object_count): New function.
2597         (Incremental_inputs_reader::get_object_offset): New function.
2598         * options.cc (Input_arguments::add_file): Return reference to
2599         new input argument.
2600         * options.h (Input_argument::set_script_info): New function.
2601         (Input_argument::script_info): New function.
2602         (Input_argument::script_info_): New data member; adjust all
2603         constructors.
2604         (Input_file_group::add_file): Return reference to new input argument.
2605         (Input_file_lib::add_file): Likewise.
2606         (Input_arguments::add_file): Likewise.
2607         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2608         * script.cc (Parser_closure::Parser_closure): Add script_info
2609         parameter; adjust all callers.
2610         (Parser_closure::script_info): New function.
2611         (Parser_closure::script_info_): New data member.
2612         (read_input_script): Report scripts earlier to incremental info.
2613         (script_add_file): Set script_info in Input_argument.
2614         (script_add_library): Likewise.
2615         * script.h (Script_options::Script_info): Rewrite class.
2616
2617 2011-03-29  Cary Coutant  <ccoutant@google.com>
2618
2619         * archive.cc (Library_base::should_include_member): Move
2620         method here from class Archive.
2621         (Archive::Archive): Initialize base class.
2622         (Archive::should_include_member): Move to base class.
2623         (Archive::do_for_all_unused_symbols): New function.
2624         (Add_archive_symbols::run): Remove redundant access to
2625         incremental_inputs.
2626         (Lib_group::Lib_group): Initialize base class.
2627         (Lib_group::do_filename): New function.
2628         (Lib_group::include_member): Pass pointer to Lib_group to
2629         report_object.
2630         (Lib_group::do_for_all_unused_symbols): New function.
2631         (Add_lib_group_symbols::run): Report archive information for
2632         incremental links.
2633         * archive.h (class Library_base): New base class.
2634         (class Archive): Derive from Library_base.
2635         (Archive::filename): Move to base class.
2636         (Archive::set_incremental_info): Likewise.
2637         (Archive::incremental_info): Likewise.
2638         (Archive::Should_include): Likewise.
2639         (Archive::should_include_member): Likewise.
2640         (Archive::Armap_entry): Remove.
2641         (Archive::Unused_symbol_iterator): Remove.
2642         (Archive::unused_symbols_begin): Remove.
2643         (Archive::unused_symbols_end): Remove.
2644         (Archive::do_filename): New function.
2645         (Archive::do_get_mtime): New function.
2646         (Archive::do_for_all_unused_symbols): New function.
2647         (Archive::task_): Move to base class.
2648         (Archive::incremental_info_): Likewise.
2649         (class Lib_group): Derive from Library_base.
2650         (Lib_group::do_filename): New function.
2651         (Lib_group::do_get_mtime): New function.
2652         (Lib_group::do_for_all_unused_symbols): New function.
2653         (Lib_group::task_): Move to base class.
2654         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2655         function.
2656         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2657         function.
2658         * incremental.cc (Incremental_inputs::report_archive_begin):
2659         Use Library_base; call library's get_mtime; add incremental inputs
2660         entry before members.
2661         (class Unused_symbol_visitor): New class.
2662         (Incremental_inputs::report_archive_end): Use Library_base; use
2663         visitor class to record unused symbols; don't add incremental inputs
2664         entry after members.
2665         (Incremental_inputs::report_object): Use Library_base.
2666         * incremental.h
2667         (Incremental_archive_entry::Incremental_archive_entry): Remove
2668         unused Archive parameter.
2669         (Incremental_inputs::report_archive_begin): Use Library_base.
2670         (Incremental_inputs::report_archive_end): Likewise.
2671         (Incremental_inputs::report_object): Likewise.
2672         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2673         function.
2674         * object.h (Object::for_all_global_symbols): New function.
2675         (Object::do_for_all_global_symbols): New function.
2676         (Sized_relobj::do_for_all_global_symbols): New function.
2677         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2678         function.
2679         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2680         function.
2681
2682 2011-03-27  Ian Lance Taylor  <iant@google.com>
2683
2684         * archive.cc (Archive::interpret_header): Return -1 if something
2685         goes wrong.  Change callers accordingly.
2686
2687 2011-03-25  Cary Coutant  <ccoutant@google.com>
2688
2689         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2690         * testsuite/Makefile.in: Regenerate.
2691
2692 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2693
2694         * plugin.cc (get_view): New.
2695         (Plugin::load): Pass get_view to the plugin.
2696         (Plugin_manager::get_view): New.
2697
2698 2011-03-21  Ian Lance Taylor  <iant@google.com>
2699
2700         * testsuite/final_layout.sh: Rewrite to not use dc.
2701         * testsuite/relro_test.sh: Fail if dc is not present.
2702
2703 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2704
2705         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2706         Change == to -eq.
2707         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2708         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2709         Change == to -eq.
2710         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2711         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2712
2713 2011-03-14  Ian Lance Taylor  <iant@google.com>
2714
2715         * script-sections.cc (Sort_output_sections::script_compare):
2716         Rename from is_before, change return type.
2717         (Sort_output_sections::operator()): Adjust accordingly.
2718
2719 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2720
2721         PR gold/12572
2722         * testsuite/odr_violation2.cc: Add comment to make all error line
2723         numbers double digits.
2724         * testsuite/debug_msg.sh: Adjust expected errors.
2725
2726 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2727
2728         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2729         but mark earlier ones as non-canonical
2730         (offset_to_iterator): Update search target and example
2731         (do_addr2line): Return extra lines in a vector*
2732         (format_file_lineno): Extract from do_addr2line
2733         (one_addr2line): Add vector* out-param
2734         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2735         when a lineno entry appeared last for its instruction
2736         (Dwarf_line_info): Add vector* out-param
2737         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2738         * symtab.cc (Odr_violation_compare): Include the lineno in the
2739         comparison again.
2740         (linenos_from_loc): New. Combine the canonical line for an
2741         address with its other lines.
2742         (True_if_intersect): New. Helper functor to make
2743         std::set_intersection a query.
2744         (detect_odr_violations): Compare sets of lines instead of just
2745         one line for each function. This became less deterministic, but
2746         has fewer false positives.
2747         * symtab.h: Declarations.
2748         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2749         mix an optimized and non-optimized object in the same binary
2750         (odr_violation2.so): Same.
2751         * testsuite/Makefile.in: Regenerate from Makefile.am.
2752         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2753         * testsuite/debug_msg.sh: Update line numbers and add
2754         assertions.
2755         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2756         non-optimized context.
2757         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2758         isn't inlined, and use OdrDerived in an optimized context.
2759         * testsuite/odr_header1.h: Defines OdrDerived, where
2760         optimization will change the
2761         first-instruction-in-the-destructor's file and line number.
2762         * testsuite/odr_header2.h: Defines OdrBase.
2763
2764 2011-03-09  Ian Lance Taylor  <iant@google.com>
2765
2766         * fileread.cc (File_read::clear_views): Don't delete the whole
2767         file view.
2768
2769 2011-03-08  Ian Lance Taylor  <iant@google.com>
2770
2771         PR gold/12525
2772         * fileread.cc: #include <climits>.
2773         (GOLD_IOV_MAX): Define.
2774         (File_read::read_multiple): Limit number of entries by iov_max.
2775         * fileread.h (class File_read): Always set max_readv_entries to
2776         128.
2777
2778 2011-03-07  Ian Lance Taylor  <iant@google.com>
2779
2780         PR gold/12525
2781         * options.h (class General_options): Add -dy and -dn.
2782
2783 2011-03-02  Cary Coutant  <ccoutant@google.com>
2784
2785         * testsuite/script_test_9.t: Add TLS segment.
2786
2787 2011-03-02  Simon Baldwin  <simonb@google.com>
2788
2789         * configure.ac: Add check for gnu_indirect_function support in
2790         the toolchain building binutils.
2791         * configure: Rebuild.
2792
2793 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2794
2795         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2796         plugin only symbols.
2797         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2798         in plugin files as not needed in the symbol table.
2799
2800 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2801
2802         * output.cc (Output_section::add_input_section): Delay fill
2803         generation for section ordering.
2804
2805 2011-02-09  Ian Lance Taylor  <iant@google.com>
2806
2807         PR gold/12316
2808         * object.h (class Sized_relobj): Remove clear_local_symbols.
2809         * reloc.cc (Sized_relobj::do_relocate): Don't call
2810         clear_local_symbols.
2811
2812 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2813
2814         * plugin.cc (is_visible_from_outside): Return true for symbols
2815         in the -u option.
2816
2817 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2818
2819         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2820         filename.
2821
2822 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2823
2824         * icf.h (is_section_foldable_candidate): Change type of parameter
2825         to std::string.
2826         * icf.cc (Icf::find_identical_sections): Change type of local variable
2827         section_name to be std::string.
2828         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2829
2830 2011-01-25  Ian Lance Taylor  <iant@google.com>
2831
2832         * script.cc (script_add_extern): Rewrite to use
2833         add_symbol_reference.
2834
2835 2011-01-25  Doug Kwan  <dougkwan@google.com>
2836
2837         * icf.cc (get_section_contents): Always lock section's object.
2838
2839 2011-01-24  Ian Lance Taylor  <iant@google.com>
2840
2841         * options.h (class General_options): Accept
2842         --no-detect-odr-violations.
2843
2844 2011-01-24  Ian Lance Taylor  <iant@google.com>
2845
2846         * version.cc (version_string): Bump to 1.11.
2847
2848 2011-01-24  Ian Lance Taylor  <iant@google.com>
2849
2850         * plugin.cc (class Plugin_rescan): Define new class.
2851         (Plugin_manager::claim_file): Set any_claimed_.
2852         (Plugin_manager::save_archive): New function.
2853         (Plugin_manager::save_input_group): New function.
2854         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2855         necessary.
2856         (Plugin_manager::new_undefined_symbol): New function.
2857         (Plugin_manager::rescan): New function.
2858         (Plugin_manager::rescannable_defines): New function.
2859         (Plugin_manager::add_input_file): Set any_added_.
2860         * plugin.h (class Plugin_manager): define new fields rescannable_,
2861         undefined_symbols_, any_claimed_, and any_added_.  Declare
2862         Plugin_rescan as friend.  Declare new functions.
2863         (Plugin_manager::Rescannable): Define type.
2864         (Plugin_manager::Rescannable_list): Define type.
2865         (Plugin_manager::Undefined_symbol_list): Define type.
2866         (Plugin_manager::Plugin_manager): Initialize new fields.
2867         * archive.cc (Archive::defines_symbol): New function.
2868         (Add_archive_symbols::run): Pass archive to plugins if any.
2869         * archive.h (class Archive): Declare defines_symbol.
2870         * readsyms.cc (Input_group::~Input_group): New function.
2871         (Finish_group::run): Pass input_group to plugins if any.
2872         * readsyms.h (class Input_group): Declare destructor.
2873         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2874         any.
2875
2876 2011-01-10  Ian Lance Taylor  <iant@google.com>
2877
2878         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2879         section as relro.
2880         (Layout::set_segment_offsets): Reset increase_relro before calling
2881         set_section_addresses a second time.
2882
2883 2011-01-04  Cary Coutant  <ccoutant@google.com>
2884
2885         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2886         sections before NOBITS sections.
2887
2888 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2889
2890         * version.cc (print_version): Update copyright to 2011.
2891
2892 2010-12-23  Cary Coutant  <ccoutant@google.com>
2893
2894         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2895         of OS to this->add.  Add OD parameter to second form of the function.
2896
2897 2010-12-20  Ian Lance Taylor  <iant@google.com>
2898
2899         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2900         second of two consecutive entries with same offset.
2901
2902 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2903
2904         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2905         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2906         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2907         to avoid unneeded links against $(LDADD).
2908         * testsuite/Makefile.in: Regenerate.
2909
2910 2010-12-15  Ian Lance Taylor  <iant@google.com>
2911
2912         PR gold/12324
2913         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2914         for R_X86_64_32 and R_X86_64_PC32.
2915         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2916         ver_matching_def_pic.o.
2917         (ver_matching_def_pic.o): New target.
2918
2919 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2920
2921         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2922         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2923         Move definition before File_read::View member definitions.
2924         (File_read::View::~View): Initialize and hold lock before
2925         updating current_mapped_bytes.
2926
2927 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2928
2929         * dwarf_reader.cc: Remove outdated comment.
2930         * gold-threads.cc: Fix typo in error message.
2931         * archive.cc: Fix typos in comments.
2932         * archive.h: Likewise.
2933         * arm-reloc-property.cc: Likewise.
2934         * arm-reloc-property.h: Likewise.
2935         * arm-reloc.def: Likewise.
2936         * arm.cc: Likewise.
2937         * attributes.h: Likewise.
2938         * cref.cc: Likewise.
2939         * ehframe.cc: Likewise.
2940         * fileread.h: Likewise.
2941         * gold.h: Likewise.
2942         * i386.cc: Likewise.
2943         * icf.cc: Likewise.
2944         * incremental.h: Likewise.
2945         * int_encoding.cc: Likewise.
2946         * layout.h: Likewise.
2947         * main.cc: Likewise.
2948         * merge.h: Likewise.
2949         * object.cc: Likewise.
2950         * object.h: Likewise.
2951         * options.cc: Likewise.
2952         * readsyms.cc: Likewise.
2953         * reduced_debug_output.cc: Likewise.
2954         * reloc.cc: Likewise.
2955         * script-sections.cc: Likewise.
2956         * sparc.cc: Likewise.
2957         * symtab.h: Likewise.
2958         * target-reloc.h: Likewise.
2959         * target.cc: Likewise.
2960         * target.h: Likewise.
2961         * timer.cc: Likewise.
2962         * timer.h: Likewise.
2963         * x86_64.cc: Likewise.
2964
2965 2010-12-09  Cary Coutant  <ccoutant@google.com>
2966
2967         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2968         stack.
2969         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2970         parameter; change all callers.
2971         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2972         * options.h (warn_execstack): New option.
2973
2974 2010-12-07  Doug Kwan  <dougkwan@google.com>
2975
2976         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2977         like function call relocations.
2978
2979 2010-12-07  Ian Lance Taylor  <iant@google.com>
2980
2981         * archive.cc (Archive::get_elf_object_for_member): Permit
2982         punconfigured to be NULL.
2983         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2984         (Archive::include_member): Pass NULL to get_elf_object_for_member
2985         if we searched for the archive and this is the first included
2986         object.
2987
2988 2010-12-01  Ian Lance Taylor  <iant@google.com>
2989
2990         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2991         track_relocs_type_ field.
2992         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2993         Set track_relocs_type_.
2994         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2995         contents when using RELA relocs.
2996         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2997         reloc_map_.
2998         * reloc.cc (Track_relocs::next_addend): New function.
2999         * reloc.h (class Track_relocs): Declare next_addend.
3000
3001 2010-12-01  Ian Lance Taylor  <iant@google.com>
3002
3003         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3004         virtual destructor.
3005
3006 2010-12-01  Ian Lance Taylor  <iant@google.com>
3007
3008         * README: Update compilers known to work and fail.
3009
3010 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3011
3012         * configure.in: For --enable-gold, handle value `default' instead of
3013         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3014         not the default.
3015         * configure: Regenerate.
3016
3017 2010-11-18  Doug Kwan  <dougkwan@google.com>
3018
3019         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3020         and right_alignment to be zero.  Store result alignment only if it is
3021         greater than existing alignment.
3022
3023 2010-11-16  Cary Coutant  <ccoutant@google.com>
3024
3025         PR gold/12220
3026         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3027         Check for ".zdebug_line".
3028
3029 2010-11-16  Doug Kwan  <dougkwan@google.com>
3030             Cary Coutant  <ccoutant@google.com>
3031
3032         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3033         by reference; adjust all callers.
3034         * output.cc (Output_segment::set_section_addresses): Adjust references
3035         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3036         list is empty.
3037         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3038         end at page boundary.
3039
3040 2010-11-16  Cary Coutant  <ccoutant@google.com>
3041
3042         PR gold/12220
3043         * layout.cc (Layout::choose_output_section): Transform names of
3044         compressed sections even when using a script with a SECTIONS clause.
3045         (Layout::output_section_name): Remove code to transform
3046         compressed debug section names.
3047         * output.cc (Output_section::add_input_section): Use uncompressed
3048         section size when tracking input sections.
3049
3050 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3051
3052         * symtab.h (Symbol::NON_PIC_REF): Remove.
3053         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3054         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3055         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3056         (Symbol::use_plt_offset): Take a flags argument and pass it
3057         directly to needs_dynamic_reloc.  Restrict check for undefined
3058         weak symbols to function calls.
3059         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3060         (Target_arm::Scan::global): Use it.
3061         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3062         (Target_arm::Relocate::relocate): Likewise.
3063         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3064         parameter with an r_type parameter.  Use get_reference_flags
3065         to get the flags.
3066         (Target_arm::Relocate::relocate): Update accordingly.
3067         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3068         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3069         (Target_i386::Scan::global): Likewise.
3070         (Target_i386::Relocate::relocate): Likewise.
3071         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3072         parameter with an r_type parameter.  Use get_reference_flags
3073         to get the flags.
3074         (Target_i386::Relocate::relocate): Update accordingly.
3075         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3076         (Target_powerpc::Scan::global): Use it.
3077         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3078         (Target_powerpc::Relocate::relocate): Likewise.
3079         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3080         (Target_sparc::Scan::global): Use it.
3081         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3082         (Target_sparc::Relocate::relocate): Likewise.
3083         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3084         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3085         (Target_x86_64::Scan::global): Likewise.
3086         (Target_x86_64::Relocate::relocate): Likewise.
3087
3088 2010-11-08  Doug Kwan  <dougkwan@google.com>
3089             Cary Coutant  <ccoutant@google.com>
3090
3091         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3092         (Arm_exidx_merge_section::section_contents_): New data member.
3093         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3094         (Arm_input_section::~Arm_input_section): De-allocate memory.
3095         (Arm_input_section::original_contents_): New data member.
3096         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3097         in parameters instead of calling Object::section_contents without
3098         locking.
3099         (Arm_output_section::group_section): New parameter TASK.  Pass it
3100         to callees that need locking objects.
3101         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3102         to lock EXIDX input sections.  Fix a formatting issue.  Call
3103         Arm_exidx_merged_section::build_contents to create merged section
3104         contents.
3105         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3106         to lock object of stub table owner.
3107         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3108         TEXT_SIZE to initialize data member TEXT_SIZE_.
3109         (Arm_exidx_input_section::addralign): Fix typo in comment.
3110         (Arm_exidx_input_section::text_size): New method.
3111         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3112         that require locking objects.  Lock objects before scanning for stubs
3113         and updating local symbols.
3114         (Arm_input_section<big_endian>::init): Copy contents of original
3115         input section.
3116         (Arm_input_section<big_endian>::do_write): Use saved contents of
3117         original input section instead of calling Object::section_contents
3118         without locking.
3119         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3120         size without calling Object::section_size().
3121         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3122         for size.  Allocate a buffer for merged EXIDX entries.
3123         (Arm_exidx_merged_section::build_contents): New method.
3124         (Arm_exidx_merged_section::do_write): Move merge section contents
3125         building code to Arm_exidx_merged_section::build_contetns.  Write
3126         out contetns in buffer instead of building it on the fly.
3127         (Arm_relobj::make_exidx_input_section): Also pass text section size
3128         to Arm_exidx_input_section constructor.
3129         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3130         (Arm_dynobj::do_read_symbols): Fix memory leak.
3131         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3132         * target.h: (class Task): Add forward declaration.
3133         (Target::relax): Add new parameter TASK and pass it to
3134         Target::do_relax().
3135         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3136
3137 2010-11-05  Cary Coutant  <ccoutant@google.com>
3138
3139         PR gold/10708
3140         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3141         object when reading from the file.
3142         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3143         second layout pass.
3144         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3145         when reading section contents.
3146         (get_section_contents): Likewise.
3147         (icf::find_identical_sections): Likewise.
3148         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3149         object when reading from the file.
3150         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3151         the object when doing deferred section layout.
3152
3153 2010-11-03  Nick Clifton  <nickc@redhat.com>
3154
3155         PR gold/12001
3156         * script.h (class Symbol_assignment: name): New member.  Returns
3157         the name of the symbol.
3158         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3159         Returns true if the given symbol name is on the list of
3160         assignments wating to be processed.
3161         * archive.cc (should_incldue_member): If the symbol is undefined,
3162         check to see if it is on the list of symbols pending assignment.
3163
3164 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3165
3166         * script-sections.cc (Script_sections::find_memory_region): Check
3167         for a NULL output section pointer.
3168
3169 2010-10-29  Doug Kwan  <dougkwan@google.com>
3170
3171         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3172         Output_section::add_relaxed_input_section.
3173         * output.cc (Output_section::add_relaxed_input_section): Add new
3174         arguments LAYOUT and NAME.  Set section order index.
3175         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3176         Copy section order index.
3177         * output.h (Output_section::add_relaxed_input_section): Add new
3178         arguments LAYOUT and NAME.
3179
3180 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3181
3182         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3183         NATIVE_OR_CROSS_LINKER.
3184         * testsuite/Makefile.in: Regenerate.
3185
3186 2010-10-20  Doug Kwan  <dougkwan@google.com>
3187
3188         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3189         without SHF_LINK_ORDER flags.
3190         * layout.cc (Layout::choose_output_section): Do not filter
3191         SHF_LINK_ORDER flag in a relocatable link.
3192
3193 2010-10-17  Cary Coutant  <ccoutant@google.com>
3194
3195         * output.h (Output_segment::set_section_addresses): Change function
3196         signature.  Update all callers.
3197         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3198         sections.
3199         (Output_segment::set_section_addresses): Align after last TLS
3200         section.  Add padding before last relro section instead of after.
3201
3202 2010-10-17  Doug Kwan  <dougkwan@google.com>
3203
3204         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3205         GOT output section to be writable.
3206
3207 2010-10-14  Cary Coutant  <ccoutant@google.com>
3208
3209         * debug.h (DEBUG_INCREMENTAL): New flag.
3210         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3211         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3212         mode.
3213         * incremental.cc (report_command_line): Ignore all forms of
3214         --incremental.
3215         * layout.cc (Layout::Layout): Check parameters for incremental link
3216         mode.
3217         * options.cc (General_options::parse_incremental): New function.
3218         (General_options::parse_no_incremental): New function.
3219         (General_options::parse_incremental_full): New function.
3220         (General_options::parse_incremental_update): New function.
3221         (General_options::incremental_mode_): New data member.
3222         (General_options::finalize): Check incremental_mode_.
3223         * options.h (General_options): Update help text for --incremental.
3224         Add --no-incremental, --incremental-full, --incremental-update.
3225         (General_options::Incremental_mode): New enum type.
3226         (General_options::incremental_mode): New function.
3227         (General_options::incremental_mode_): New data member.
3228         * parameters.cc (Parameters::incremental_mode_): New data member.
3229         (Parameters::set_options): Set incremental_mode_.
3230         (Parameters::set_incremental_full): New function.
3231         (Parameters::incremental): New function.
3232         (Parameters::incremental_update): New function.
3233         (set_parameters_incremental_full): New function.
3234         * parameters.h (Parameters::set_incremental_full): New function.
3235         (Parameters::incremental): New function.
3236         (Parameters::incremental_update): New function.
3237         (Parameters::incremental_mode_): New data member.
3238         (set_parameters_incremental_full): New function.
3239         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3240         incremental link mode.
3241         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3242         (Sized_relobj::do_relocate_sections): Likewise.
3243         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3244         option.
3245         * testsuite/Makefile.in: Regenerate.
3246         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3247
3248 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3249
3250         * script-sections.h (class Script_sections): Make
3251         Sections_elements typedef public.
3252         * script-sections.cc (class Sort_output_sections): Add elements_
3253         field.  Add constructor which sets it; change all callers.
3254         (Sort_output_sections::is_before): New function.
3255         (Sort_output_sections::operator()): Call is_before.
3256         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3257         conditional.
3258         * testsuite/script_test_10.sh: New test. Test script section
3259         order.
3260         * testsuite/script_test_10.t: Likewise.
3261         * testsuite/script_test_10.s: Likewise.
3262         * testsuite/Makefile.am: Wrap the cross linker tests and the
3263         common tests into NATIVE_OR_CROSS_LINKER.
3264         (check_SCRIPTS): Add script_test_10.sh.
3265         (check_DATA): Add script_test_10.stdout.
3266         (script_test_10.o, script_test_10): New targets.
3267         (script_test_10.stdout): New target.
3268         * configure, testsuite/Makefile.in: Regenerate.
3269
3270 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3271
3272         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3273         error for the deprecated relocations.
3274         (Target_arm::Scan::global): Likewise.
3275         (Target_arm::Relocate::relocate): Likewise.
3276
3277 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3278
3279         * fileread.cc (Input_file::find_file): Initialize *found_name
3280         and *namep when using the fallback search for case 4.
3281
3282 2010-10-11  Cary Coutant  <ccoutant@google.com>
3283
3284         * options.h (class General_options): Redefine -z lazy as an alias for
3285         the negation of -z now.
3286
3287 2010-10-11  Ian Lance Taylor  <iant@google.com>
3288
3289         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3290         binding.
3291
3292 2010-10-06  Nick Clifton  <nickc@redhat.com>
3293
3294         * script-sections.cc(class Memory_region): Remove
3295         current_lma_offset_ field.  Rename current_vma_offset_ to
3296         current_offset_.  Add last_section_ field.
3297         (Memory_region::get_current_vma_address): Rename to
3298         get_current_address.
3299         (Memory_region::get_current_lma_address): Delete.
3300         (Memory_region::increment_vma_offset): Rename to
3301         increment_offset.
3302         (Memory_region::increment_lma_offset): Delete.
3303         (Memory_region::attributes_compatible): New method.  Returns
3304         true if the provided section is compatible with the region.
3305         (Memory_region::get_last_section): New method.  Returns the last
3306         section to use the region.
3307         (Memory_region::set_last_section): New method.  Stores the last
3308         section to use the region.
3309         (Script_sections::block_in_region): New method.  Returns true if
3310         a block of memory is contained within a region.
3311         (Script_sections::find_memory_region): New method.  Locates a
3312         memory region to be used to set a VMA or LMA address.
3313         (Output_section_definition::set_section_addresses): Add code to
3314         check for addresses set by memory regions.
3315         (Output_segment::set_section_addresses): Remove memory region
3316         walking code.
3317         (Script_sections::create_segment): Add a warning if a header
3318         segment is created outside of any region.
3319         * script-sections.h (class Script_sections): Add prototypes for
3320         find_memory_region and block_in_region methods.
3321         * testsuite/memory_test.s: Use .long instead of .word.
3322         * testsuite/memory_test.t: Add some more output sections.
3323         * testsuite/memory_test.sh: Update expected output.
3324
3325 2010-10-02  Doug Kwan  <dougkwan@google.com>
3326
3327         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3328         defintion to symtab.h
3329         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3330         declaration to defintion.
3331
3332 2010-10-01  Nick Clifton  <nickc@redhat.com>
3333
3334         * expression.cc (eval): Replace dummy argument with NULL.
3335         (eval_maybe_dot): Check for a NULL result section pointer.
3336         (Symbol_expression::value): Likewise.
3337         (Dot_expression::value): Likewise.
3338         (BINARY_EXPRESSION): Likewise.
3339         (Max_expression::value): Likewise.
3340         (Min_expression::value): Likewise.
3341         (Absolute_expression::value): Likewise.
3342         (Addr_expression::value_from_output_section): Likewise.
3343         (Loaddddr_expression::value_from_output_section): Likewise.
3344         (Segment_start_expression::value): Likewise.
3345         * script-sections.cc
3346         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3347         argument with NULL.
3348         (Sections_elememt_dot_assignment::set_section_addresses):
3349         Likewise.
3350         (Output_data_expression::do_write_to_buffer): Likewise.
3351         (Output_section_definition::finalize_symbols): Likewise.
3352         (Output_section_definition::set_section_addresses): Likewise.
3353
3354 2010-09-30  Doug Kwan  <dougkwan@google.com>
3355
3356         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3357
3358 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3359
3360         * target.h (Target::can_icf_inline_merge_sections): New virtual
3361         function.
3362         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3363         virtual function.
3364         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3365         virtual function.
3366         * icf.cc (get_section_contents): Inline merge sections only when
3367         target allows it.
3368
3369 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3370
3371         * configure: Regenerate.
3372
3373 2010-09-17  Ian Lance Taylor  <iant@google.com>
3374
3375         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3376         * testsuite/Makefile.am (memory_test.o): New target.
3377         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3378         memory_test.t.
3379         * testsuite/Makefile.in: Rebuild.
3380
3381 2010-09-17  Doug Kwan  <dougkwan@google.com>
3382
3383         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3384         defintion if relocation uses GOT entries of the symbol.
3385         * testsuite/icf_safe_test.sh: Fix test.
3386         * testsuite/icf_safe_so_test.sh: Fix test.
3387
3388 2010-09-16  Cary Coutant  <ccoutant@google.com>
3389
3390         * script_sections.cc (class Memory_region): Remove "NULL" from
3391         vector initializations.
3392
3393 2010-09-15  Cary Coutant  <ccoutant@google.com>
3394
3395         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3396         Resolve forwarding symbols.
3397
3398 2010-09-15  Doug Kwan  <dougkwan@google.com>
3399
3400         * gold/testsuite/script_test_3.t: Add ARM special sections.
3401         * gold/testsuite/script_test_4.t: Same.
3402         * gold/testsuite/script_test_5.t: Same.
3403         * gold/testsuite/script_test_6.t: Same.
3404         * gold/testsuite/script_test_7.t: Same.
3405         * gold/testsuite/script_test_7.t: Same.
3406         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3407
3408 2010-09-14  Cary Coutant  <ccoutant@google.com>
3409
3410         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3411         (Target_x86_64::Relocate::relocate_tls): Replace check for
3412         saw_tls_block_reloc_ with test for executable section.
3413
3414 2010-09-12  Cary Coutant  <ccoutant@google.com>
3415
3416         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3417         position-independent executables to shared libraries need dynamic
3418         relocations.
3419         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3420         position-independent executables.
3421         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3422         * testsuite/Makefile.in: Regenerate.
3423
3424 2010-09-10  Nick Clifton  <nickc@redhat.com>
3425
3426         PR gold/11997
3427         * testsuite/memory_test.t: Discard any sections that are not
3428         needed.
3429
3430 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3431
3432         PR gold/11996
3433         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3434         "This::" to work around a bug in gcc 4.2.
3435
3436         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3437
3438 2010-09-09  Rafael Espindola  <espindola@google.com>
3439
3440         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3441         sections with different PF_X flags in the same segment.
3442         (Layout::find_first_load_seg): Search all segments to find the first
3443         one.
3444         * options.h (rosegment): New.
3445
3446 2010-09-08  Rafael Espindola  <espindola@google.com>
3447
3448         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3449
3450 2010-09-08  Doug Kwan  <dougkwan@google.com>
3451
3452         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3453         (Arm_relobj::do_relocate_sections): Add new parameter for output
3454         file to match the parent.
3455         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3456         of local symbols instead of input values.  Update code to track
3457         changes in gold::relocate_section.
3458         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3459         (Sized_relobj::compute_final_local_value_internal): New methods.
3460         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3461         body into private version of Sized_relobj::compute_final_local_value.
3462         Call the inline method.
3463         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3464         merged symbol value if there is one.
3465         (Symbol_value::has_output_value): New method defintiion.
3466         (Sized_relobj::Compute_final_local_value_status): New enum type.
3467         (Sized_relobj::compute_final_local_value): New methods.
3468         (Sized_relobj::compute_final_local_value_internal): New methods.
3469         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3470         and arm_cortex_a8.sh.
3471         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3472         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3473         New tests.
3474         * Makefile.in: Regenerate.
3475         * testsuite/arm_bl_out_of_range.s: Update test.
3476         * testsuite/thumb_bl_out_of_range.s: Ditto.
3477         * testsuite/thumb_blx_out_of_range.s: Ditto.
3478         * testsuite/arm_branch_out_of_range.sh: New file.
3479         * testsuite/arm_cortex_a8.sh: Ditto.
3480         * testsuite/arm_cortex_a8_b.s: Ditto.
3481         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3482         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3483         * testsuite/arm_cortex_a8_bl.s: Ditto.
3484         * testsuite/arm_cortex_a8_blx.s: Ditto.
3485         * testsuite/arm_cortex_a8_local.s: Ditto.
3486         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3487         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3488
3489 2010-09-08  Rafael Espindola  <espindola@google.com>
3490
3491         * Makefile.am (memory_test.stdout): Run readelf with -W.
3492         * Makefile.in: Regenerate.
3493         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3494         64 bit output.
3495
3496 2010-09-08  Rafael Espindola  <espindola@google.com>
3497
3498         * script-sections.cc (Script_sections::add_memory_region): Convert
3499         field precision to int.
3500         * script.cc (script_set_section_region, script_set_section_region):
3501         Convert field precision to int.
3502
3503 2010-09-08  Rafael Espindola  <espindola@google.com>
3504
3505         * arm.cc (do_finalize_sections): Create the __exidx_start and
3506         __exdix_end symbols even when the section is missing.
3507
3508 2010-09-08  Nick Clifton  <nickc@redhat.com>
3509
3510         * README: Remove claim that MEMORY is not supported.
3511         * expression.cc (script_exp_function_origin)
3512         (script_exp_function_length): Move from here to ...
3513         * script.cc: ... here.
3514         (script_set_section_region, script_add_memory)
3515         (script_parse_memory_attr, script_include_directive): New
3516         functions.
3517         * script-sections.cc
3518         (class Memory_region): New class.
3519         (class Output_section_definition): Add set_memory_region,
3520         set_section_vma, set_section_lma and get_section_name methods.
3521         (class Script_Sections): Add add_memory_region,
3522         find_memory_region, find_memory_region_origin,
3523         find_memory_region_length and set_memory_region methods.
3524         Have set_section_addresses method walk the list of set memory
3525         regions.
3526         Extend the print methos to display memory regions.
3527         * script-sections.h: Add prototypes for new methods.
3528         Add enum for MEMORY region attributes.
3529         * yyscript.y: Add support for parsing MEMORY regions.
3530         * script-c.h: Add prototypes for new functions.
3531         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3532         * testsuite/Makefile.in: Regenerate.
3533         * testsuite/memory_test.sh: New script.
3534         * testsuite/memory_test.s: New assembler source file.
3535         * testsuite/memory_test.t: New linker script.
3536
3537 2010-08-27  Doug Kwan  <dougkwan@google.com>
3538
3539         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3540         reference override an existing dynamic weak reference.
3541         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3542         * testsuite/Makefile.in: Regenerate.
3543         * testsuite/dyn_weak_ref.sh: New file.
3544         * testsuite/dyn_weak_ref_1.c: Ditto.
3545         * testsuite/dyn_weak_ref_2.c: Ditto.
3546
3547 2010-08-27  Ian Lance Taylor  <iant@google.com>
3548
3549         * incremental.h (class Incremental_input_entry): Add virtual
3550         destructor.
3551
3552 2010-08-27  Ian Lance Taylor  <iant@google.com>
3553
3554         * testsuite/start_lib_test_3.c: Mark t3 as used.
3555
3556 2010-08-27  Nick Clifton  <nickc@redhat.com>
3557
3558         * options.cc (version_script): Fix small typo in previous
3559         whitespace tidyup.
3560
3561 2010-08-25  Nick Clifton  <nickc@redhat.com>
3562
3563         * archive.cc: Formatting fixes: Remove whitespace between
3564         typename and following asterisk.  Remove whitespace between
3565         function name and opening parenthesis.
3566         * archive.h: Likewise.
3567         * arm.cc: Likewise.
3568         * attributes.cc: Likewise.
3569         * attributes.h: Likewise.
3570         * common.cc: Likewise.
3571         * copy-relocs.cc: Likewise.
3572         * dirsearch.h: Likewise.
3573         * dynobj.cc: Likewise.
3574         * ehframe.cc: Likewise.
3575         * ehframe.h: Likewise.
3576         * expression.cc: Likewise.
3577         * fileread.cc: Likewise.
3578         * fileread.h: Likewise.
3579         * gc.h: Likewise.
3580         * gold-threads.cc: Likewise.
3581         * gold.cc: Likewise.
3582         * i386.cc: Likewise.
3583         * icf.h: Likewise.
3584         * incremental-dump.cc: Likewise.
3585         * incremental.cc: Likewise.
3586         * layout.cc: Likewise.
3587         * layout.h: Likewise.
3588         * main.cc: Likewise.
3589         * merge.cc: Likewise.
3590         * merge.h: Likewise.
3591         * object.cc: Likewise.
3592         * object.h: Likewise.
3593         * options.cc: Likewise.
3594         * options.h: Likewise.
3595         * output.cc: Likewise.
3596         * output.h: Likewise.
3597         * plugin.cc: Likewise.
3598         * plugin.h: Likewise.
3599         * powerpc.cc: Likewise.
3600         * reloc.cc: Likewise.
3601         * script-c.h: Likewise.
3602         * script-sections.cc: Likewise.
3603         * script.cc: Likewise.
3604         * stringpool.cc: Likewise.
3605         * symtab.cc: Likewise.
3606         * symtab.h: Likewise.
3607         * target.cc: Likewise.
3608         * timer.cc: Likewise.
3609         * timer.h: Likewise.
3610         * version.cc: Likewise.
3611         * x86_64.cc: Likewise.
3612
3613 2010-08-24  Nick Clifton  <nickc@redhat.com>
3614
3615         PR 11899
3616         * layout.cc (segment_precedes): Sort segments by their physical
3617         addresses, if they have been set.
3618
3619 2010-08-23  Cary Coutant  <ccoutant@google.com>
3620
3621         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3622         symbols data.
3623         (Lib_group::include_member): Unlock object after deleting its
3624         symbols data.
3625         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3626         the bug fixed here.
3627
3628 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3629             Cary Coutant  <ccoutant@google.com>
3630
3631         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3632         constructor, and set_blocker.
3633         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3634         readsyms_blocker_.
3635         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3636         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3637         * testsuite/Makefile.am (start_lib_test): New test case.
3638         * testsuite/Makefile.in: Regenerate.
3639         * testsuite/start_lib_test_main.c: New file.
3640         * testsuite/start_lib_test_1.c: New file.
3641         * testsuite/start_lib_test_2.c: New file.
3642         * testsuite/start_lib_test_3.c: New file.
3643
3644 2010-08-19  Ian Lance Taylor  <iant@google.com>
3645
3646         * Makefile.in: Rebuild with automake 1.11.1.
3647         * aclocal.m4: Likewise.
3648         * testsuite/Makefile.in: Likewise.
3649
3650 2010-08-19  Ian Lance Taylor  <iant@google.com>
3651
3652         PR 10893
3653         * i386.cc (class Output_data_plt_i386): Update declarations.
3654         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3655         local_ifuncs_ fields.
3656         (Target_i386::do_plt_section_for_global): New function.
3657         (Target_i386::do_plt_section_for_local): New function.
3658         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3659         parameter; change all callers.  Initialize global_ifuncs_ and
3660         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3661         __rel_iplt_end.
3662         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3663         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3664         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3665         symbols.
3666         (Target_i386::make_plt_section): New function, broken out of
3667         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3668         (Target_i386::make_plt_entry): Call make_plt_section.
3669         (Target_i386::make_local_ifunc_plt_entry): New function.
3670         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3671         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3672         R_386_IRELATIVE to switch.
3673         (Target_i386::Scan::global): Likewise.
3674         (Target_i386::Relocate::relocate): Likewise.
3675         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3676         switch.
3677         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3678         (Target_x86_64::do_plt_section_for_global): New function.
3679         (Target_x86_64::do_plt_section_for_local): New function.
3680         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3681         parameter; change all callers.  If doing a static link define
3682         __rela_iplt_start and __rela_iplt_end.
3683         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3684         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3685         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3686         to point to .plt.
3687         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3688         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3689         switch.
3690         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3691         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3692         R_X86_64_IRELATIVE to switch.
3693         (Target_x86_64::Scan::global): Likewise.
3694         (Target_x86_64::Relocate::relocate): Likewise.
3695         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3696         switch.
3697         * target.h (class Target): Add plt_section_for_global and
3698         plt_section_for_local functions.  Add do_plt_section_for_global
3699         and do_plt_section_for_local virtual functions.
3700         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3701         clarifying comments.
3702         (Symbol::use_plt_offset): Handle IFUNC symbol.
3703         * object.cc (Sized_relobj::Sized_relobj): Initialize
3704         local_plt_offsets_.
3705         (Sized_relobj::local_has_plt_offset): New function.
3706         (Sized_relobj::local_plt_offset): New function.
3707         (Sized_relobj::set_local_plt_offset): New function.
3708         (Sized_relobj::do_count): Handle IFUNC symbol.
3709         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3710         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3711         is_ifunc_symbol functions.
3712         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3713         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3714         local_plt_offsets_ field.
3715         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3716         * output.h (class Output_section_data): Add non-const
3717         output_section function.
3718         (class Output_data_got): Update declarations.
3719         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3720         Add use_plt_offset parameter to global and local constructors.
3721         Change all callers.  Change local_sym_index_ field to 31 bits.
3722         Change GSYM_CODE and CONSTANT_CODE accordingly.
3723         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3724         doing a static link don't set sh_link field.
3725         (Output_data_got::Got_entry::write): Use PLT offset if
3726         appropriate.
3727         (Output_data_got::add_global_plt): New function.
3728         (Output_data_got::add_local_plt): New function.
3729         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3730         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3731         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3732         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3733         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3734         IFUNC conditional.
3735         * testsuite/ifunc-sel.h: New file.
3736         * testsuite/ifuncmain1.c: New file.
3737         * testsuite/ifuncmain1vis.c: New file.
3738         * testsuite/ifuncmod1.c: New file.
3739         * testsuite/ifuncdep2.c: New file.
3740         * testsuite/ifuncmain2.c: New file.
3741         * testsuite/ifuncmain3.c: New file.
3742         * testsuite/ifuncmod3.c: New file.
3743         * testsuite/ifuncmain4.c: New file.
3744         * testsuite/ifuncmain5.c: New file.
3745         * testsuite/ifuncmod5.c: New file.
3746         * testsuite/ifuncmain6pie.c: New file.
3747         * testsuite/ifuncmod6.c: New file.
3748         * testsuite/ifuncmain7.c: New file.
3749         * configure, testsuite/Makefile.in: Rebuild.
3750
3751 2010-08-18  Ian Lance Taylor  <iant@google.com>
3752
3753         * incremental.cc
3754         (Output_section_incremental_inputs::write_input_files): Add cast
3755         to avoid signed/unsigned comparison warning.
3756         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3757
3758 2010-08-12  Cary Coutant  <ccoutant@google.com>
3759
3760         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3761
3762 2010-08-13  Ian Lance Taylor  <iant@google.com>
3763
3764         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3765
3766 2010-08-12  Cary Coutant  <ccoutant@google.com>
3767             Doug Kwan  <dougkwan@google.com>
3768
3769         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3770         defintion overrides non-weak undef, remember that the original undef
3771         is not weak.
3772         * symtab.cc (Symbol_table::sized_write_global): For undef without
3773         an original weak binding, set binding to global in output.
3774         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3775         * testsuite/Makefile.in: Regenerate.
3776         * testsuite/strong_ref_weak_def.sh: New file.
3777         * testsuite/strong_ref_weak_def_1.c: Ditto.
3778         * testsuite/strong_ref_weak_def_2.c: Ditto.
3779
3780 2010-08-12  Cary Coutant  <ccoutant@google.com>
3781
3782         * testsuite/incremental_test.sh: Rewrite.
3783         * testsuite/incremental_test_1.c: Rewrite.
3784         * testsuite/incremental_test_2.c: Rewrite.
3785
3786 2010-08-12  Cary Coutant  <ccoutant@google.com>
3787
3788         * arm.cc (Target_arm::got_size): Add const.
3789         (Target_arm::got_entry_count): New function.
3790         (Target_arm::plt_entry_count): New function.
3791         (Target_arm::first_plt_entry_offset): New function.
3792         (Target_arm::plt_entry_size): New function.
3793         (Output_data_plt_arm::entry_count): New function.
3794         (Output_data_plt_arm::first_plt_entry_offset): New function.
3795         (Output_data_plt_arm::get_plt_entry_size): New function.
3796         * i386.cc (Target_i386::got_size): Add const.
3797         (Target_i386::got_entry_count): New function.
3798         (Target_i386::plt_entry_count): New function.
3799         (Target_i386::first_plt_entry_offset): New function.
3800         (Target_i386::plt_entry_size): New function.
3801         (Output_data_plt_i386::entry_count): New function.
3802         (Output_data_plt_i386::first_plt_entry_offset): New function.
3803         (Output_data_plt_i386::get_plt_entry_size): New function.
3804         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3805         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3806         * incremental.cc: Include target.h.
3807         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3808         parameter.  Adjust all callers.  Find incremental_got_plt section.
3809         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3810         section.
3811         (Output_section_incremental_inputs::set_final_data_size): Calculate
3812         size of incremental_got_plt section.
3813         (Output_section_incremental_inputs::do_write): Write the
3814         incremental_got_plt section.
3815         (Got_plt_view_info): New struct.
3816         (Local_got_offset_visitor): New class.
3817         (Global_got_offset_visitor): New class.
3818         (Global_symbol_visitor_got_plt): New class.
3819         (Output_section_incremental_inputs::write_got_plt): New function.
3820         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3821         Add parameter.  Adjust all callers.
3822         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3823         (Incremental_inputs::got_plt_section): New function.
3824         (Incremental_inputs::got_plt_section_): New data member.
3825         (Incremental_got_plt_reader): New class.
3826         * layout.cc (Layout::create_incremental_info_sections): Add the
3827         incremental_got_plt section.
3828         * object.h (Got_offset_list::get_list): New function.
3829         (Got offset_list::for_all_got_offsets): New function.
3830         (Sized_relobj::local_got_offset_list): New function.
3831         * powerpc.cc (Target_powerpc::got_size): Add const.
3832         (Target_powerpc::got_entry_count): New function.
3833         (Target_powerpc::plt_entry_count): New function.
3834         (Target_powerpc::first_plt_entry_offset): New function.
3835         (Target_powerpc::plt_entry_size): New function.
3836         (Output_data_plt_powerpc::entry_count): New function.
3837         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3838         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3839         * sparc.cc (Target_sparc::got_size): Add const.
3840         (Target_sparc::got_entry_count): New function.
3841         (Target_sparc::plt_entry_count): New function.
3842         (Target_sparc::first_plt_entry_offset): New function.
3843         (Target_sparc::plt_entry_size): New function.
3844         (Output_data_plt_sparc::entry_count): New function.
3845         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3846         (Output_data_plt_sparc::get_plt_entry_size): New function.
3847         * symtab.h (Symbol::got_offset_list): New function.
3848         (Symbol_table::for_all_symbols): New function.
3849         * target.h (Sized_target::got_entry_count): New function.
3850         (Sized_target::plt_entry_count): New function.
3851         (Sized_target::plt_entry_size): New function.
3852         * x86_64.cc (Target_x86_64::got_size): Add const.
3853         (Target_x86_64::got_entry_count): New function.
3854         (Target_x86_64::plt_entry_count): New function.
3855         (Target_x86_64::first_plt_entry_offset): New function.
3856         (Target_x86_64::plt_entry_size): New function.
3857         (Output_data_plt_x86_64::entry_count): New function.
3858         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3859         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3860
3861 2010-08-12  Cary Coutant  <ccoutant@google.com>
3862
3863         * archive.cc: Include incremental.h.
3864         (Archive::Archive): Initialize incremental_info_.
3865         (Archive::include_member): Record archive members in incremental info.
3866         (Add_archive_symbols::run): Record begin and end of an archive in
3867         incremental info.
3868         (Lib_group::include_member): Record objects in incremental info.
3869         * archive.h (Incremental_archive_entry): Forward declaration.
3870         (Archive::set_incremental_info): New member function.
3871         (Archive::incremental_info): New member function.
3872         (Archive::Unused_symbol_iterator): New class.
3873         (Archive::unused_symbols_begin): New member function.
3874         (Archive::unused_symbols_end): New member function.
3875         (Archive::incremental_info_): New data member.
3876         * incremental-dump.cc (find_input_containing_global): New function.
3877         (dump_incremental_inputs): Dump new incremental info sections.
3878         * incremental.cc: Include symtab.h.
3879         (Output_section_incremental_inputs): New class.
3880         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3881         new incremental info sections.
3882         (Sized_incremental_binary::do_check_inputs): Likewise.
3883         (Incremental_inputs::report_archive): Remove.
3884         (Incremental_inputs::report_archive_begin): New function.
3885         (Incremental_inputs::report_archive_end): New function.
3886         (Incremental_inputs::report_object): New function.
3887         (Incremental_inputs::finalize_inputs): Remove.
3888         (Incremental_inputs::report_input_section): New function.
3889         (Incremental_inputs::report_script): Rewrite.
3890         (Incremental_inputs::finalize): Do nothing but finalize string table.
3891         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3892         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3893         (Incremental_inputs::create_data_sections): New function.
3894         (Incremental_inputs::relocs_entsize): New function.
3895         (Output_section_incremental_inputs::set_final_data_size): New function.
3896         (Output_section_incremental_inputs::do_write): New function.
3897         (Output_section_incremental_inputs::write_header): New function.
3898         (Output_section_incremental_inputs::write_input_files): New function.
3899         (Output_section_incremental_inputs::write_info_blocks): New function.
3900         (Output_section_incremental_inputs::write_symtab): New function.
3901         * incremental.h (Incremental_script_entry): Forward declaration.
3902         (Incremental_object_entry): Forward declaration.
3903         (Incremental_archive_entry): Forward declaration.
3904         (Incremental_inputs): Forward declaration.
3905         (Incremental_inputs_header_data): Remove.
3906         (Incremental_inputs_header): Remove.
3907         (Incremental_inputs_header_write): Remove.
3908         (Incremental_inputs_entry_data): Remove.
3909         (Incremental_inputs_entry): Remove.
3910         (Incremental_inputs_entry_write): Remove.
3911         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3912         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3913         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3914         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3915         Likewise.
3916         (Incremental_input_entry): New class.
3917         (Incremental_script_entry): New class.
3918         (Incremental_object_entry): New class.
3919         (Incremental_archive_entry): New class.
3920         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3921         (Incremental_inputs::report_inputs): Remove.
3922         (Incremental_inputs::report_archive): Remove.
3923         (Incremental_inputs::report_archive_begin): New function.
3924         (Incremental_inputs::report_archive_end): New function.
3925         (Incremental_inputs::report_object): Change prototype.
3926         (Incremental_inputs::report_input_section): New function.
3927         (Incremental_inputs::report_script): Change prototype.
3928         (Incremental_inputs::get_reloc_count): New function.
3929         (Incremental_inputs::set_reloc_count): New function.
3930         (Incremental_inputs::create_data_sections): New function.
3931         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3932         (Incremental_inputs::inputs_section): New function.
3933         (Incremental_inputs::symtab_section): New function.
3934         (Incremental_inputs::relocs_section): New function.
3935         (Incremental_inputs::get_stringpool): Add const.
3936         (Incremental_inputs::command_line): Add const.
3937         (Incremental_inputs::inputs): Remove.
3938         (Incremental_inputs::command_line_key): New function.
3939         (Incremental_inputs::input_file_count): New function.
3940         (Incremental_inputs::input_files): New function.
3941         (Incremental_inputs::relocs_entsize): New function.
3942         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3943         (Incremental_inputs::finalize_inputs): Remove.
3944         (Incremental_inputs::Input_info): Remove.
3945         (Incremental_inputs::lock_): Remove.
3946         (Incremental_inputs::inputs_): Change type.
3947         (Incremental_inputs::inputs_map_): Remove.
3948         (Incremental_inputs::current_object_entry_): New data member.
3949         (Incremental_inputs::inputs_section_): New data member.
3950         (Incremental_inputs::symtab_section_): New data member.
3951         (Incremental_inputs::relocs_section_): New data member.
3952         (Incremental_inputs::reloc_count_): New data member.
3953         (Incremental_inputs_reader): New class.
3954         (Incremental_symtab_reader): New class.
3955         (Incremental_relocs_reader): New class.
3956         * layout.cc (Layout::finalize): Move finalization of incremental info
3957         and creation of incremental info sections to follow finalization of
3958         symbol table.  Set offsets for postprocessing sections.
3959         (Layout::create_incremental_info_sections): Call
3960         Incremental_inputs::create_data_sections.  Add incremental symtab
3961         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3962         sections to layout after input sections.
3963         * layout.h (struct Timespec): Forward declaration.
3964         (Layout::incremental_inputs): Add const.
3965         (Layout::create_incremental_info_sections): Add parameter.
3966         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3967         * object.cc: Include incremental.h.
3968         (Relobj::finalize_incremental_relocs): New function.
3969         (Sized_relobj::do_layout): Record input sections in incremental info.
3970         * object.h (Object::output_section): New function.
3971         (Object::output_section_offset): Moved from Relobj.
3972         (Object::get_incremental_reloc_base): New function.
3973         (Object::get_incremental_reloc_count): New function.
3974         (Object::do_output_section): New function.
3975         (Object::do_output_section_offset): Moved from Relobj.
3976         (Object::do_get_incremental_reloc_base): New function.
3977         (Object::do_get_incremental_reloc_count): New function.
3978         (Object::Object): Initialize new data members.
3979         (Relobj::output_section): Renamed do_output_section and moved to
3980         protected.
3981         (Relobj::output_section_offset): Moved to Object.
3982         (Relobj::do_get_incremental_reloc_base): New function.
3983         (Relobj::do_get_incremental_reloc_count): New function.
3984         (Relobj::allocate_incremental_reloc_counts): New function.
3985         (Relobj::count_incremental_reloc): New function.
3986         (Relobj::finalize_incremental_relocs): New function.
3987         (Relobj::next_incremental_reloc_index): New function.
3988         (Relobj::reloc_counts_): New data member.
3989         (Relobj::reloc_bases_): New data member.
3990         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3991         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3992         (Sized_relobj::incremental_relocs_scan): New function.
3993         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3994         (Sized_relobj::incremental_relocs_write): New function.
3995         (Sized_relobj::incremental_relocs_write_reltype): New function.
3996         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3997         incremental link.
3998         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3999         archives and object files elsewhere.
4000         (Add_symbols::run): Report object files here.
4001         (Finish_group::run): Report end of archive at end of group.
4002         * reloc.cc: Include layout.h, incremental.h.
4003         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4004         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4005         (Sized_relobj::incremental_relocs_scan): New function.
4006         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4007         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4008         (Sized_relobj::incremental_relocs_write): New function.
4009         (Sized_relobj::incremental_relocs_write_reltype): New function.
4010         * script.cc (read_input_script): Rewrite test for incremental link.
4011         Change call to Incremental_inputs::report_script.
4012         * symtab.h (Symbol_table::first_global_index): New function.
4013         (Symbol_table::output_count): New function.
4014
4015 2010-08-12  Doug Kwan  <dougkwan@google.com>
4016
4017         * arm.cc (Target_arm::merge_object_attributes): Check command line
4018         options --no-wchar-size-warning and --no-enum-size-warning.
4019         * options.h (General_options): Add ld-compatible options
4020         --no-enum-size-warning and --no-wchar-size-warning.
4021
4022 2010-08-04  Ian Lance Taylor  <iant@google.com>
4023
4024         * x86_64.cc (Target_x86_64::Scan::local): Use
4025         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4026         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4027         (Target_x86_64::Scan::global): Likewise.
4028         (Target_x86_64::Relocate::relocate): Likewise.
4029         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4030         Likewise.
4031
4032 2010-08-03  Cary Coutant  <ccoutant@google.com>
4033
4034         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4035         to reserve space in merged_strings vector. Keep total input size
4036         for stats.
4037         (Output_merge_string::do_print_merge_stats): Print total input size.
4038         * merge.h (Output_merge_string): Add input_size_ field.
4039         * stringpool.cc (Stringpool_template::string_length): Move
4040         implementations out of Stringpool_template class and place in
4041         stringpool.h.
4042         * stringpool.h (string_length): Move out of Stringpool_template.
4043
4044 2010-08-03  Ian Lance Taylor  <iant@google.com>
4045
4046         PR 11712
4047         * layout.cc (relaxation_loop_body): If address of load segment is
4048         set, adjust address to include headers if possible.
4049
4050 2010-08-03  Ian Lance Taylor  <iant@google.com>
4051
4052         * version.cc (version_string): Bump to 1.10.
4053
4054 2010-08-03  Ian Lance Taylor  <iant@google.com>
4055
4056         PR 11805
4057         * layout.h (enum Output_section_order): Define.
4058         (class Layout): Update declarations.
4059         * layout.cc (Layout::get_output_section): Add order parameter.
4060         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4061         is_first_non_relro parameters.  Change all callers.
4062         (Layout::choose_output_section): Likewise.
4063         (Layout::add_output_section_data): Likewise.
4064         (Layout::make_output_section): Likewise.  Set order.
4065         (Layout::default_section_order): New function.
4066         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4067         * output.cc (Output_section::Output_section): Initialize order_.
4068         Don't initialize deleted fields.
4069         (Output_segment::Output_segment): Don't initialize deleted
4070         fields.
4071         (Output_segment::add_output_section_to_load): New function
4072         replacing add_output_section.  Change all callers to call this or
4073         add_output_section_to_nonload.
4074         (Output_segment::add_output_section_to_nonload): New function.
4075         (Output_segment::remove_output_section): Rewrite.
4076         (Output_segment::add_initial_output_data): Likewise.
4077         (Output_segment::has_any_data_sections): Likewise.
4078         (Output_segment::is_first_section_relro): Likewise.
4079         (Output_segment::maximum_alignment): Likewise.
4080         (Output_segment::has_dynamic_reloc): New function replacing
4081         dynamic_reloc_count.  Change all callers.
4082         (Output_segment::has_dynamic_reloc_list): New function replacing
4083         dynamic_reloc_count_list.  Change all callers.
4084         (Output_segment::set_section_addresses): Rewrite.
4085         (Output_segment::set_offset): Rewrite.
4086         (Output_segment::find_first_and_last_list): Remove.
4087         (Output_segment::set_tls_offsets): Rewrite.
4088         (Output_segment::first_section_load_address): Likewise.
4089         (Output_segment::output_section_count): Likewise.
4090         (Output_segment::section_with_lowest_load_address): Likewise.
4091         (Output_segment::write_section_headers): Likewise.
4092         (Output_segment::print_sections_to_map): Likewise.
4093         * output.h (class Output_data): Remove dynamic_reloc_count_
4094         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4095         (Output_data::add_dynamic_reloc): Rewrite.
4096         (Output_data::has_dynamic_reloc): New function.
4097         (Output_data::dynamic_reloc_count): Remove.
4098         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4099         is_last_relro_, is_first_non_relro_, is_interp_,
4100         is_dynamic_linker_section_ fields.  Add order and set_order
4101         functions.  Remove is_relro_local, set_is_relro_local,
4102         is_last_relro, set_is_last_relro, is_first_non_relro,
4103         set_is_first_non_relro functions, is_interp, set_is_interp,
4104         is_dynamic_linker_section, and set_is_dynamic_linker_section
4105         functions.
4106         (class Output_segment): Change Output_data_list from std::list to
4107         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4108         output_bss_ fields.  Update declarations.
4109
4110 2010-08-02  Ian Lance Taylor  <iant@google.com>
4111
4112         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4113         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4114         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4115
4116 2010-08-02  Ian Lance Taylor  <iant@google.com>
4117
4118         PR 11855
4119         * script.cc (Script_options::Script_options): Initialize
4120         symbol_definitions_ and symbol_references_.
4121         (Script_options::add_symbol_assignment): Update
4122         symbol_definitions_ and symbol_references_.
4123         (Script_options::add_symbol_reference): New function.
4124         (script_symbol): New function.
4125         * script.h (class Script_options): Add symbol_definitions_ and
4126         symbol_references_ fields.
4127         (Script_options::referenced_const_iterator): New type.
4128         (Script_options::referenced_begin): New function.
4129         (Script_options::referenced_end): New function.
4130         (Script_options::is_referenced): New function.
4131         (Script_options::any_unreferenced): New function.
4132         * script-c.h (script_symbol): Declare.
4133         * yyscript.y (exp): Call script_symbol.
4134         * symtab.cc: Include "script.h".
4135         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4136         Change all callers.  Check symbols referenced by scripts.
4137         (Symbol_table::add_undefined_symbols_from_command_line): Add
4138         layout parameter.  Change all callers.
4139         (Symbol_table::do_add_undefined_symbols_from_command_line):
4140         Likewise.  Break out loop body.  Check symbols referenced by
4141         scripts.
4142         (Symbol_table::add_undefined_symbol_from_command_line): New
4143         function broken out of
4144         do_add_undefined_symbols_from_command_line.
4145         * symtab.h (class Symbol_table): Update declarations.
4146         * archive.cc: Include "layout.h".
4147         (Archive::should_include_member): Add layout parameter.  Change
4148         all callers.  Check for symbol mentioned in expression.
4149         * archive.h (class Archive): Update declaration.
4150         * object.cc (Sized_relobj::do_should_include_member): Add layout
4151         parameter.
4152         * object.h (Object::should_include_member): Add layout parameter.
4153         Change all callers.
4154         (Object::do_should_include_member): Add layout parameter.
4155         (class Sized_relobj): Update declaration.
4156         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4157         parameter.
4158         * dynobj.h (class Sized_dynobj): Update declaration.
4159         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4160         layout parameter.
4161         * plugin.h (class Sized_pluginobj): Update declaration.
4162
4163 2010-08-02  Ian Lance Taylor  <iant@google.com>
4164
4165         PR 11866
4166         * output.cc (Output_segment::set_offset): Search for the first and
4167         last sections rather than assuming that the list is in order.
4168         (Output_segment::find_first_and_last_list): New function.
4169         * output.h (class Output_segment): Update declarations.
4170         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4171         (relro_strip_test_SOURCES): New variable.
4172         (relro_strip_test_DEPENDENCIES): New variable.
4173         (relro_strip_test_LDFLAGS): New variable.
4174         (relro_strip_test_LDADD): New variable.
4175         (relro_strip_test.so): New target.
4176
4177 2010-08-02  Ian Lance Taylor  <iant@google.com>
4178
4179         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4180         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4181         (Target_i386::got_tlsdesc_section): New function.
4182         (Target_i386::got_section): Create space for GOT entries for
4183         TLSDESC relocations.
4184         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4185         R_386_TLS_GOTDESC.
4186         (Target_i386::Scan::global): Likewise.
4187         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4188         using TLSDESC GOT.
4189         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4190         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4191         (Target_x86_64::got_tlsdesc_section): New function.
4192         (Target_x86_64::got_section): Create space for GOT entries for
4193         TLSDESC relocations.
4194         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4195         R_386_TLS_GOTDESC.
4196         (Target_x86_64::Scan::global): Likewise.
4197         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4198         using TLSDESC GOT.
4199
4200 2010-08-02  Ian Lance Taylor  <iant@google.com>
4201
4202         * testsuite/final_layout.sh: Use dc to convert from hex to
4203         decimal.
4204
4205 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4206
4207         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4208         paramter to the call to gold::gc_process_relocs.
4209         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4210         paramter to the call to gold::gc_process_relocs.
4211         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4212         parameter to the call to gold::gc_process_relocs.
4213         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4214         template parameter to the call to gold::gc_process_relocs.
4215         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4216         paramter to the call to gold::gc_process_relocs.
4217         * gc.h (get_embedded_addend_size): New function.
4218         (gc_process_relocs): Save the size of the reloc for use by ICF.
4219         * icf.cc (get_section_contents): Get the addend from the text section
4220         for SHT_REL relocation sections.
4221         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4222         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4223         * int_encoding.h (read_from_pointer): New overloaded function.
4224         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4225         * testsuite/icf_sht_rel_addend_test.sh: New file.
4226         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4227         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4228
4229 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4230
4231         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4232         * Makefile.in: Regenerate.
4233         * testsuite/Makefile.in: Regenerate.
4234
4235 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4236
4237         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4238         * gold/testsuite/debug_msg.cc: Likewise.
4239         * gold/testsuite/odr_violation1.cc
4240         * gold/testsuite/odr_violation2.cc
4241
4242 2010-07-21  Cary Coutant  <ccoutant@google.com>
4243
4244         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4245         string, and length fields.
4246         (Output_merge_string::Merged_strings_list): New type.
4247         (Output_merge_string::Merged_strings_lists): New typedef.
4248         (Output_merge_string): Replace merged_strings_ with
4249         merged_strings_lists_.
4250         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4251         Merged_strings_list per input object and section.  Don't store pointer
4252         to the string.  Don't store length with each merged string entry.
4253         (Output_merge_string::finalize_merged_data): Loop over list of merged
4254         strings lists.  Recompute length of each merged string.
4255
4256 2010-07-15  Cary Coutant  <ccoutant@google.com>
4257
4258         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4259         here.
4260
4261 2010-07-14  Ian Lance Taylor  <iant@google.com>
4262
4263         * descriptors.cc (Descriptors::open): Report correct name in error
4264         message.
4265
4266 2010-07-13  Doug Kwan  <dougkwan@google.com>
4267
4268         * arm.cc (Arm_input_section::Arm_input_section): For a
4269         SHT_ARM_EXIDX section, always keeps the input sections.
4270         (Arm_input_section::set_exidx_section_link): New method.
4271         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4272         has_errors_ to false.
4273         (Arm_exidx_input_section::has_errors,
4274         Arm_exidx_input_section::set_has_errors): New methods.
4275         (Arm_exidx_input_section::has_errors_): New data member.
4276         (Arm_relobj::get_exidx_shndx_list): New method.
4277         (Arm_output_section::append_text_sections_to_list): Do not skip
4278         section without SHF_EXECINSTR.
4279         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4280         errors.
4281         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4282         section header.  Make error messages more verbose.  Check for
4283         a non-executable section linked to an EXIDX section.
4284         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4285         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4286         check that there is no deferred EXIDX section if we exit early.
4287         Instead of not making an EXIDX section in case of an error, make one
4288         and set the has_errors flag of it.
4289         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4290         in a relocatable link.
4291         (Target_arm::do_relax): Look for the EXIDX output section instead of
4292         assuming that it is called .ARM.exidx.
4293         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4294         section list.  Do not check for SHF_EXECINSTR section flags but
4295         skip any input section with errors.
4296         * output.cc (Output_section::Output_section): Initialize
4297         always_keeps_input_sections_ to false.
4298         (Output_section::add_input_section): Check for
4299         always_keeps_input_sections_.
4300         *  output.h (Output_section::always_keeps_input_sections,
4301         Output_section::set_always_keeps_input_sections): New methods.
4302         (Output_section::always_keeps_input_sections): New data member.
4303
4304 2010-07-13  Rafael Espindola  <espindola@google.com>
4305
4306         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4307         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4308
4309 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4310             Ian Lance Taylor  <iant@google.com>
4311
4312         * output.h (Output_section_lookup_maps::add_merge_section):
4313         Correct check of whether value was inserted.
4314         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4315         (Output_section_lookup_maps::add_relaxed_input_section):
4316         Likewise.
4317         * arm.cc (Target_arm::got_section): Remove used local os.
4318         * i386.cc (Target_i386::got_section): Likewise.
4319         * x86_64.cc (Target_x86_64::got_section): Likewise.
4320         * sparc.cc (Target_sparc::got_section): Likewise.
4321         (Target_sparc::relocate): Remove unused local have_got_offset.
4322         * powerpc.cc (Target_powerpc::relocate): Likewise.
4323
4324 2010-07-13  Ian Lance Taylor  <iant@google.com>
4325
4326         * compressed_output.cc (zlib_decompress): Fix signature in
4327         !HAVE_ZLIB_H case.
4328
4329         * archive.cc (Archive::include_member): Unlock an external member
4330         of a thin archive.  Don't bother to delete an object we know is
4331         NULL.
4332
4333 2010-07-12  Cary Coutant  <ccoutant@google.com>
4334
4335         * compressed_output.cc (zlib_decompress): New function.
4336         (get_uncompressed_size): New function.
4337         (decompress_input_section): New function.
4338         * compressed_output.h (get_uncompressed_size): New function.
4339         (decompress_input_section): New function.
4340         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4341         Handle compressed debug sections.
4342         * layout.cc (is_compressed_debug_section): New function.
4343         (Layout::output_section_name): Map compressed section names to
4344         canonical names.
4345         * layout.h (is_compressed_debug_section): New function.
4346         (is_debug_info_section): Recognize compressed debug sections.
4347         * merge.cc: Include compressed_output.h.
4348         (Output_merge_data::do_add_input_section): Handle compressed
4349         debug sections.
4350         (Output_merge_string::do_add_input_section): Handle compressed
4351         debug sections.
4352         * object.cc: Include compressed_output.h.
4353         (Sized_relobj::Sized_relobj): Initialize new data members.
4354         (build_compressed_section_map): New function.
4355         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4356         * object.h (Object::section_is_compressed): New method.
4357         (Object::do_section_is_compressed): New method.
4358         (Sized_relobj::Compressed_section_map): New type.
4359         (Sized_relobj::do_section_is_compressed): New method.
4360         (Sized_relobj::compressed_sections_): New data member.
4361         * output.cc (Output_section::add_input_section): Handle compressed
4362         debug sections.
4363         * reloc.cc: Include compressed_output.h.
4364         (Sized_relobj::write_sections): Handle compressed debug sections.
4365
4366 2010-07-08  Cary Coutant  <ccoutant@google.com>
4367
4368         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4369         weak when resolving to a dynamic def.
4370         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4371         for weak undef/dynamic def cases. Adjust callers.
4372         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4373         undef_binding_weak_.
4374         (Symbol_table::sized_write_globals): Adjust symbol binding.
4375         (Symbol_table::sized_write_symbol): Add binding parameter.
4376         * symtab.h (Symbol::set_undef_binding): New method.
4377         (Symbol::is_undef_binding_weak): New method.
4378         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4379         (Symbol_table::should_override): Add new parameter.
4380         (Symbol_table::sized_write_symbol): Add new parameter.
4381
4382         * testsuite/weak_undef_file1.cc: Add new test case.
4383         * testsuite/weak_undef_file2.cc: Fix header comment.
4384         * testsuite/weak_undef_test.cc: Add new test case.
4385
4386 2010-06-29  Doug Kwan  <dougkwan@google.com>
4387
4388         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4389         Initialize USE_SYMBOL_.
4390         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4391         definition.
4392         (Arm_reloc_property::uses_symbol_): New data member declaration.
4393         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4394         uses symbol value and symbol is undefined but not weakly undefined.
4395
4396 2010-06-28  Rafael Espindola  <espindola@google.com>
4397
4398         * plugin.cc (Plugin::load): Use dlerror.
4399
4400 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4401
4402         * symtab.cc (detect_odr_violations): When reporting an ODR
4403         violation, report an object where the symbol is defined.
4404
4405 2010-06-25  Doug Kwan  <dougkwan@google.com>
4406
4407         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4408         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4409         definition.
4410         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4411         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4412         target hook to detect function points.
4413         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4414         * icf.h (Icf::check_section_for_function_pointers): Change type of
4415         parameter SECTION_NAME to const reference to std::string.  Use
4416         target hook to determine if section may have unsafe pointers.
4417         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4418         method definition.
4419
4420 2010-06-21  Rafael Espindola  <espindola@google.com>
4421
4422         * fileread.cc (Input_file::find_fie): New
4423         (Input_file::open): Use Input_file::find_fie.
4424         * fileread.h (Input_file::find_fie): New
4425         * plugin.cc (set_extra_library_path): New.
4426         (Plugin::load): Add set_extra_library_path to the transfer vector.
4427         (Plugin_manager::set_extra_library_path): New.
4428         (Plugin_manager::add_input_file): Use the extra search path if set.
4429         (set_extra_library_path(): New.
4430         * plugin.h (Plugin_manager): Add set_extra_library_path and
4431         extra_search_path_.
4432
4433 2010-06-19  Cary Coutant  <ccoutant@google.com>
4434
4435         * layout.cc (gdb_sections): Add .debug_types.
4436         (lines_only_debug_sections): Likewise.
4437
4438 2010-06-18  Rafael Espindola  <espindola@google.com>
4439
4440         * plugin.cc (add_input_file,add_input_library)
4441         (Plugin_manager::add_input_file): Make filename arguments const.
4442         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4443         const.
4444
4445 2010-06-16  Doug Kwan  <dougkwan@google.com>
4446
4447         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4448         .ARM.attributes section if we have not merged any input
4449         attributes sections.
4450
4451 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4452
4453         * arm.cc: Allow combining objects with no EABI version
4454         information.
4455
4456 2010-06-15  Rafael Espindola  <espindola@google.com>
4457
4458         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4459
4460 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4461
4462         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4463         (struct iovec): Correct !HAVE_READV definition.
4464
4465 2010-06-10  Cary Coutant  <ccoutant@google.com>
4466
4467         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4468         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4469         reloc sections.
4470         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4471
4472         PR 11683
4473         * symtab.h (Symbol::is_placeholder): New member function.
4474         * target-reloc.h (relocate_section): Check for placeholder symbols.
4475
4476         * testsuite/Makefile.am (plugin_test_8): New test.
4477         (plugin_test_9): New test.
4478         * testsuite/Makefile.in: Regenerate.
4479
4480 2010-06-09  Nick Clifton  <nickc@redhat.com>
4481
4482         * yyscript.y (input_list_element): Allow strings prefixed with
4483         the '-' character.  Treat these as libraries.
4484         * script.cc (script_add_library): New function.  Adds a library
4485         specified by "-l<name>" found in an input script.
4486         * script-c.h: Add prototype for script_add_library.
4487
4488 2010-06-07  Doug Kwan  <dougkwan@google.com>
4489
4490         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4491         Restrict stub-group size to be within long conditional branch
4492         range when working around cortex-A8 erratum.
4493
4494 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4495
4496         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4497         #ifdef typo.
4498
4499 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4500
4501         PR gold/11658
4502         * output.cc
4503         (Output_section::Input_section_sort_entry::compare_section_ordering):
4504         Change to return non-zero correctly.
4505         (Output_section::Input_section_sort_section_order_index_compare
4506         ::operator()): Change to fix ambiguity in comparisons.
4507
4508 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4509
4510         * gold.h (is_wildcard_string): New function.
4511         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4512         (Layout::layout_eh_frame): Ditto.
4513         (Layout::find_section_order_index): New method.
4514         (Layout::read_layout_from_file): New method.
4515         * layout.h (Layout::find_section_order_index): New method.
4516         (Layout::read_layout_from_file): New method.
4517         (Layout::input_section_position_): New private member.
4518         (Layout::input_section_glob_): New private member.
4519         * main.cc (main): Call read_layout_from_file here.
4520         * options.h (--section-ordering-file): New option.
4521         * output.cc (Output_section::input_section_order_specified_): New
4522         member.
4523         (Output_section::Output_section): Initialize new member.
4524         (Output_section::add_input_section): Add new parameter.
4525         Keep input sections when --section-ordering-file is used.
4526         (Output_section::set_final_data_size): Sort input sections when
4527         section ordering file is specified.
4528         (Output_section::Input_section_sort_entry): Add new parameter.
4529         Check sorting type.
4530         (Output_section::Input_section_sort_entry::compare_section_ordering):
4531         New method.
4532         (Output_section::Input_section_sort_compare::operator()): Change to
4533         consider section_order_index.
4534         (Output_section::Input_section_sort_init_fini_compare::operator()):
4535         Change to consider section_order_index.
4536         (Output_section::Input_section_sort_section_order_index_compare
4537         ::operator()): New method.
4538         (Output_section::sort_attached_input_sections): Change to sort
4539         according to section order when specified.
4540         (Output_section::add_input_section<32, true>): Add new parameter.
4541         (Output_section::add_input_section<64, true>): Add new parameter.
4542         (Output_section::add_input_section<32, false>): Add new parameter.
4543         (Output_section::add_input_section<64, false>): Add new parameter.
4544         * output.h (Output_section::add_input_section): Add new parameter.
4545         (Output_section::input_section_order_specified): New
4546         method.
4547         (Output_section::set_input_section_order_specified): New method.
4548         (Input_section::Input_section): Initialize section_order_index_.
4549         (Input_section::section_order_index): New method.
4550         (Input_section::set_section_order_index): New method.
4551         (Input_section::section_order_index_): New member.
4552         (Input_section::Input_section_sort_section_order_index_compare): New
4553         struct.
4554         (Output_section::input_section_order_specified_): New member.
4555         * script-sections.cc (is_wildcard_string): Delete and move modified
4556         method to gold.h.
4557         (Output_section_element_input::Output_section_element_input): Modify
4558         call to is_wildcard_string.
4559         (Output_section_element_input::Input_section_pattern
4560         ::Input_section_pattern): Ditto.
4561         (Output_section_element_input::Output_section_element_input): Ditto.
4562         * testsuite/Makefile.am (final_layout): New test case.
4563         * testsuite/Makefile.in: Regenerate.
4564         * testsuite/final_layout.cc: New file.
4565         * testsuite/final_layout.sh: New file.
4566
4567 2010-06-01  Rafael Espindola  <espindola@google.com>
4568
4569         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4570
4571 2010-06-01  Rafael Espindola  <espindola@google.com>
4572
4573         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4574         visibility of symbols.
4575
4576 2010-05-27  Doug Kwan  <dougkwan@google.com>
4577
4578         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4579         from start of output section instead of address for a local symbol
4580         in a merged or relaxed section when doing a relocatable link.
4581
4582 2010-05-26  Rafael Espindola  <espindola@google.com>
4583
4584        PR 11604
4585         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4586         adding sections the garbage collector removed.
4587         * gold/testsuite/Makefile.am: Add test.
4588         * gold/testsuite/Makefile.in: Regenerate.
4589         * gold/testsuite/plugin_test_7.sh: New.
4590         * gold/testsuite/plugin_test_7_1.c: New.
4591         * gold/testsuite/plugin_test_7_2.c: New.
4592
4593 2010-05-26  Rafael Espindola  <espindola@google.com>
4594
4595         * script-sections.cc (Output_section_definition::set_section_addresses):
4596         Check for --section-start.
4597
4598 2010-05-26  Doug Kwan  <dougkwan@google.com>
4599
4600         * arm.cc (Arm_scan_relocatable_relocs): New class.
4601         (Target_arm::relocate_special_relocatable): New method.
4602         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4603         (Arm_relocate_functions::thumb_branch_common): Same.
4604         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4605         instead of Default_scan_relocatable_relocs.
4606         * target-reloc.h (relocate_for_relocatable): Let target handle
4607         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4608         * target.h (Sized_target::relocate_special_relocatable): New method.
4609
4610 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4611
4612         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4613
4614 2010-05-23  Doug Kwan  <dougkwan@google.com>
4615
4616         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4617         instead of a cast.
4618         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4619         with a direct branch, not a conditional branch, to a stub.
4620         * merge.cc (Output_merge_base::record_input_section): New method
4621         defintion.
4622         (Output_merge_data::do_add_input_section): Record input section if
4623         keeps-input-sections flag is set.
4624         (Output_merge_string::do_add_input_section): Ditto.
4625         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4626         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4627         INPUT_SECTIONS_.
4628         (Output_merge_base::keeps_input_sections,
4629         Output_merge_base::set_keeps_input_sections,
4630         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4631         method definitions.
4632         (Output_merge_base::Input_sections): New type declaration.
4633         (Output_merge_base::input_sections_begin,
4634         Output_merge_base::input_sections_end,
4635         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4636         (Output_merge_base::bool keeps_input_sections_,
4637         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4638         Output_merge_base::input_sections_): New data members.
4639         (Output_merge_data::do_set_keeps_input_sections): New method
4640         defintion.
4641         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4642         * output.cc (Output_section::Input_section::relobj): Move method
4643         defintion from class declaration to here and handle merge sections.
4644         (Output_section::Input_section::shndx): Ditto.
4645         (Output_section::Output_section): Remove initializations of removed
4646         data members and initialize new data member LOOKUP_MAPS_.
4647         (Output_section::add_input_section): Set keeps-input-sections flag
4648         for a newly created merge output section as appropriate.  Adjust code
4649         to use Output_section_lookup_maps class.
4650         (Output_section::add_relaxed_input_section): Adjst code for lookup
4651         maps code refactoring.
4652         (Output_section::add_merge_input_section): Add a new parameter
4653         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4654         class.  If adding input section to a newly created merge output
4655         section fails, remove the new merge section.
4656         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4657         Adjust code for use of the Output_section_lookup_maps class.
4658         (Output_section::find_merge_section): Ditto.
4659         (Output_section::build_lookup_maps): New method defintion.
4660         (Output_section::find_relaxed_input_section): Adjust code to use
4661         Output_section_lookup_maps class.
4662         (Output_section::get_input_sections): Export merge sections.  Adjust
4663         code to use Output_section_lookup_maps class.
4664         (Output_section:::add_script_input_section): Adjust code to use
4665         Output_section_lookup_maps class.  Update lookup maps for merge
4666         sections also.
4667         (Output_section::discard_states): Use Output_section_lookup_maps.
4668         (Output_section::restore_states): Same.
4669         * output.h (Merge_section_properties): Move class defintion out of
4670         Output_section.
4671         (Output_section_lookup_maps): New class.
4672         (Output_section::Input_section::is_merge_section): New method
4673         defintion.
4674         (Output_section::Input_section::relobj): Move defintion out of class
4675         defintion.  Declare method only.
4676         (Output_section::Input_section::shndx): Ditto.
4677         (Output_section::Input_section::output_merge_base): New method defintion.
4678         (Output_section::Input_section::u2_.pomb): New union field.
4679         (Output_section::Merge_section_by_properties_map,
4680         Output_section::Output_section_data_by_input_section_map,
4681         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4682         Remove types.
4683         (Output_section::add_merge_input_section): Add new parameter
4684         KEEPS_INPUT_SECTIONS.
4685         (Output_section::build_lookup_maps): New method declaration.
4686         (Output_section::merge_section_map_,
4687         Output_section::merge_section_by_properties_map_,
4688         Output_section::relaxed_input_section_map_,
4689         Output_section::is_relaxed_input_section_map_valid_): Remove data
4690         members.
4691         (Output_section::lookup_maps_): New data member.
4692
4693 2010-05-21  Doug Kwan  <dougkwan@google.com>
4694
4695         PR gold/11619
4696         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4697         avoid a compilation error.
4698
4699 2010-05-19  Rafael Espindola  <espindola@google.com>
4700
4701         * script-sections.cc (Output_section_definition::allocate_to_segment):
4702         Update the phdrs_list even when the output section is NULL.
4703         * testsuite/Makefile.am: Add test.
4704         * testsuite/Makefile.in: Regenerate.
4705         * testsuite/script_test_9.cc: New.
4706         * testsuite/script_test_9.sh: New.
4707         * testsuite/script_test_9.t: New.
4708
4709 2010-05-19  Doug Kwan  <dougkwan@google.com>
4710
4711         * arm.cc (Arm_input_section::original_size): New method.
4712         (Arm_input_section::do_addralign): Add a cast.
4713         (Arm_input_section::do_output_offset): Remove static cast.
4714         (Arm_input_section::original_addralign,
4715          Arm_input_section::original_size_): Change type to uint32_t.
4716         (Arm_input_section::init): Add safe casts for section alignment
4717         and size.
4718         (Arm_input_section::set_final_data_size): Do not set address and
4719         offset of stub table.
4720         (Arm_output_section::fix_exidx_coverage): Change use of of
4721         Output_section::Simple_input_section to that of
4722         Output_section::Input_section.
4723         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4724         except for the first pass.
4725         * output.cc (Output_section::get_input_sections): Change type of
4726         input_sections to std::list<Input_section>.
4727         (Output_section::add_script_input_section): Rename from
4728         Output_section::add_simple_input_section.  Change type of SIS
4729         parameter from Simple_input_section to Input_section.
4730         * output.h (Output_section::Simple_input_section): Remove class.
4731         (Output_section::Input_section): Change class visibility to public.
4732         (Output_section::Input_section::addralign): Use stored alignments
4733         for special input sections if set.
4734         (Output_section::Input_section::set_addralign): New method.
4735         (Output_section::get_input_sections): Change parameter type from
4736         list of Simple_input_section to list of Input_section.
4737         (Output_section::add_script_input_section): Rename from
4738         Output_section::add_simple_input_section. Change first parameter's
4739         type from Simple_input_section to Input_section and remove the
4740         second and third parameters.
4741         * script-sections.cc (Input_section::Input_section_list): Change
4742         type to list of Output_section::Input_section/
4743         (Input_section_info::Input_section_info): Change parameter type of
4744         INPUT_SECTION to Output_section::Input_section.
4745         (Input_section_info::input_section): Change return type.
4746         (Input_section_info::input_section_): Change type to
4747         Output_section::Input_section.
4748         (Output_section_element_input::set_section_addresses): Adjust code
4749         to use Output_section::Input_section instead of
4750         Output_section::Simple_input_section.  Adjust code for renaming
4751         of Output_section::add_simple_input_section.
4752         (Orphan_output_section::set_section_addresses): Ditto.
4753
4754 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4755
4756         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4757         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4758
4759 2010-05-18  Rafael Espindola  <espindola@google.com>
4760
4761         * options.cc (General_options::finalize): Handle -nostdlib.
4762         * options.h (nostdlib): New option.
4763         * script.cc (script_add_search_dir): Handle -nostdlib.
4764
4765 2010-05-12  Doug Kwan  <dougkwan@google.com>
4766
4767         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4768         attributes section only if there no attributes section after merging.
4769         (Target_arm::merge_object_attributes): Move value of
4770         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4771         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4772         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4773         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4774         and arm_attr_merge_7.stdout.
4775         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4776         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4777         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4778         arm_attr_merge_7b.o): New rules.
4779         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4780         arm_attr_merge_7
4781         * testsuite/Makefile.in: Regenerate.
4782         * testsuite/arm_attr_merge.sh: New file.
4783         * testsuite/arm_attr_merge_[67][ab].s: Same.
4784
4785 2010-05-05  Nick Clifton  <nickc@redhat.com>
4786
4787         * po/es.po: Updated Spanish translation.
4788
4789 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4790
4791         * Makefile.am (install-exec-local): Properly install gold as
4792         default cross linker.
4793         * Makefile.in: Regenerated.
4794
4795 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4796             Nick Clifton  <nickc@redhat.com>
4797
4798         * configure.ac (install_as_default): Define and set to false
4799         unless --enable-gold or --enable-gold=both/gold has been
4800         specified.
4801         * configure: Regenerate.
4802
4803         * Makefile.am (install-exec-local): Install the executable as
4804         'ld.gold'.  If install_as_default is true then also install it as
4805         'ld'.
4806         * Makefile.in: Regenerated.
4807
4808 2010-04-24  Ian Lance Taylor  <iant@google.com>
4809
4810         * layout.cc (Layout::layout_reloc): In relocatable link don't
4811         combine reloc sections for grouped sections.
4812
4813 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4814
4815         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4816         sections that are not ordinary to icf.
4817         * icf.cc (get_section_contents): Handle relocation pointing to section
4818         with no object or shndx information.
4819         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4820         * testsuite/Makefile.in: Regenerate.
4821         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4822         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4823
4824 2010-04-22  Ian Lance Taylor  <iant@google.com>
4825
4826         * expression.cc (Expression::Expression_eval_info): Add
4827         result_alignment_pointer field.
4828         (Expression::eval_with_dot): Add result_alignment_pointer
4829         parameter.  Change all callers.
4830         (Expression::eval_maybe_dot): Likewise.
4831         (class Binary_expression): Add alignment_pointer parameter to
4832         left_value and right_value.  Change all callers.
4833         (BINARY_EXPRESSION): Set result alignment.
4834         (class Trinary_expression): Add alignment_pointer parameter to
4835         arg2_value and arg3_value.  Change all callers.
4836         (Trinary_cond::value): Set result alignment.
4837         (Max_expression::value, Min_expression::value): Likewise.
4838         (Align_expression::value): Likewise.
4839         * script-sections.cc (class Sections_element): Add dot_alignment
4840         parameter to set_section_addresses virtual function.  Update
4841         instantiations.
4842         (class Output_section_element): Likewise.
4843         (Script_sections::create_segments): Add dot_alignment parameter.
4844         Change all callers.
4845         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4846         (Script_sections::set_phdrs_clause_addresses): Likewise.
4847         * script-sections.h: Update declarations.
4848         * script.h: Update declarations.
4849         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4850         min_p_align.
4851         * testsuite/script_test_3.t: Set large alignment.
4852         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4853         segment has expected alignment.
4854
4855 2010-04-22  Nick Clifton  <nickc@redhat.com>
4856
4857         * po/gold.pot: Updated by the Translation project.
4858         * po/vi.po: Updated Vietnamese translation.
4859
4860 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4861
4862         * testsuite/Makefile.am (check_PROGRAMS): Add
4863         icf_virtual_function_folding_test.
4864         * testsuite/Makefile.in: Regenerated.
4865
4866 2010-04-15  Andrew Haley  <aph@redhat.com>
4867
4868         * options.h (merge_exidx_entries): New option.
4869         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4870         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4871         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4872         (Target_arm::merge_exidx_entries): New function.
4873         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4874         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4875         to Arm_exidx_fixup constructor.
4876         Add new arg, merge_exidx_entries.
4877         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4878         Arm_output_section::fix_exidx_coverage.
4879
4880 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4881
4882         * icf.cc (get_section_contents): Check for preemptible functions.
4883         Ignore addend when appropriate.
4884         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4885         section folded.
4886         (add_from_relobj): Check for section folded.
4887         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4888         * symtab.h (should_add_dynsym_entry): Add new parameter.
4889         * target-reloc.h (scan_relocs): Check for section folded.
4890         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4891         Check reloc types for function pointers in shared objects.
4892         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4893         case.
4894         (icf_preemptible_functions_test): New test case.
4895         (icf_string_merge_test): New test case.
4896         * testsuite.Makefile.in: Regenerate.
4897         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4898         bar_glob.  Refactor code.
4899         * testsuite/icf_preemptible_functions_test.cc: New file.
4900         * testsuite/icf_preemptible_functions_test.sh: New file.
4901         * testsuite/icf_string_merge_test.cc: New file.
4902         * testsuite/icf_string_merge_test.sh: New file.
4903         * testsuite/icf_virtual_function_folding_test.cc: New file.
4904         * testsuite/icf_virtual_function_folding_test.sh: New file.
4905
4906 2010-04-14  Doug Kwan  <dougkwan@google.com>
4907
4908         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4909         for local symbol recounting if we remove a section due to ICF.
4910         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4911         there are no regular objects in input.
4912
4913 2010-04-13  Doug Kwan  <dougkwan@google.com>
4914
4915         * arm.cc (Arm_input_section::set_final_data_size): Compute
4916         accurate final data size instead of using current data size.
4917
4918 2010-04-09  Doug Kwan  <dougkwan@google.com>
4919
4920         * layout.cc (Layout::choose_output_section): Handle script section
4921         types.
4922         (Layout::make_output_section_for_script): Add section type parameter.
4923         Handle script section types.
4924         * layout.h (Layout::make_output_section_for_script): Add section
4925         type parameter.
4926         * output.cc (Output_section::Output_section): Initialize data member
4927         is_noload_.
4928         (Output_section::do_reset_address_and_file_offset): Do not set address
4929         to 0 if section is a NOLOAD section.
4930         * output.h (Output_section::is_noload): New method.
4931         (Output_section::set_is_noload): Ditto.
4932         (Output_section::is_noload_): New data member.
4933         * script-c.h (Script_section_type): New enum type.
4934         (struct Parser_output_section_header): Add new file section_type.
4935         * script-sections.cc (Sections_element::output_section_name): Add
4936         parameter for returning script section type.
4937         (Output_section_definition::output_section_name): Ditto.
4938         (Output_section_definition::section_type)P; New method.
4939         (Output_section_definiton::script_section_type_name): Ditto.
4940         (Output_section_definition::script_section_type_): New data member.
4941         (Output_section_definition::Output_section_definition): Initialize
4942         data member Output_section_definition::script_section_type_.
4943         (Output_section_definition::create_sections): Pass script section type
4944         to Layout::make_output_section_for_script.
4945         (Output_section_definition::output_section_name): Return script
4946         section type to caller.
4947         (Output_section_definition::set_section_address): Do not advance
4948         dot value and load address if section type is NOLOAD.  Set address
4949         of NOLOAD sections regardless of section flags.
4950         (Output_section_definition::print): Print section type if it is
4951         not SCRIPT_SECTION_TYPE_NONE.
4952         (Output_section_definition::section_type): New method.
4953         (Output_section_definition::script_section_type_name): Ditto.
4954         (Script_sections::output_section_name): Add new parameter
4955         PSECTION_TYPE for returning script section type.  Pass it to
4956         section elements.  Handle discard sections.
4957         (Sort_output_sections::operator()): Handle NOLOAD sections.
4958         * script-sections.h (Script_sections::Section_type): New enum type.
4959         (Script_sections::output_section_name): Add a new parameter for
4960         returning script section type.
4961         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4962         INFO and NOLOAD.
4963         * yyscript.y (union): Add new field SECTION_TYPE.
4964         (COPY, DSECT, INFO, NOLOAD): New tokens.
4965         (opt_address_and_section_type): Change type to output_section_header.
4966         (section_type): New non-terminal
4967         (section_header): Handle section type.
4968         (opt_address_and_section_type): Return section type value.
4969
4970 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4971
4972         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4973         * testsuite/plugin_common_test_2.c (foo): Likewise.
4974
4975 2010-04-08  Doug Kwan  <dougkwan@google.com>
4976
4977         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4978         Output_merge_data.
4979         * output.cc (Output_section::add_merge_input_section): Simplify
4980         code and return status of Output_merge_base::add_input_section.
4981         Update merge section map only if Output_merge_base::add_input_section
4982         returns true.
4983
4984 2010-04-07  Doug Kwan  <dougkwan@google.com>
4985
4986         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4987         if section is marked as containing instructions but has no mapping
4988         symbols.
4989         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4990         correct section index.
4991         (Arm_relobj::find_linked_text_section): Ditto.
4992
4993 2010-04-07  Cary Coutant  <ccoutant@google.com>
4994
4995         * archive.cc (include_member): Destroy Read_symbols_data object before
4996         releasing file.
4997         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4998         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4999         (Read_symbols_data::~Read_symbols_data) New destructor.
5000         (Section_relocs::Section_relocs) New constructor.
5001         (Section_relocs::~Section_relocs) New destructor.
5002         (Read_relocs_data::Read_relocs_data) New constructor.
5003         (Read_relocs_data::~Read_relocs_data) New destructor.
5004         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5005         pointers to NULL after deleting.
5006
5007 2010-04-07  Doug Kwan  <dougkwan@google.com>
5008
5009         * arm.cc: Replace "endianity" with "endianness" in comments.
5010         (Arm_exidx_cantunwind): Ditto.
5011         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5012         (Arm_relobj::merge_flags_and_attributes): New method.
5013         (Arm_relobj::merge_flags_and_attributes_): New data member.
5014         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5015         (Arm_relobj::scan_sections_for_stubs): Ditto.
5016         (Arm_relobj::do_read_symbols): Check to see if we really want to
5017         merge processor-specific flags and attributes.  Exit early if
5018         an object is empty except for section names and the undefined symbol.
5019         (Target_arm::do_finalize_sections): Move check for ELF format to
5020         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5021         attributes from a regular object only when we have determined that
5022         it is aapropriate.  Do not create an .ARM.attributes section in
5023         output if there is no regular input object.
5024         (Target_arm::merge_processor_specific_flags): Check
5025         --warn-mismatch before printing any error.
5026         (Target_arm::merge_object_attributes): Ditto.
5027         * gold.cc (queue_middle_tasks): Handle the case in which there is
5028         no regular object in input.
5029         * options.cc (General_options::parse_EB): New method.
5030         (General_options::parse_EL): Same.
5031         (General_options::General_options): Initialize endianness_.
5032         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5033         New options.
5034         (General_options::Endianness): New enum.
5035         (General_options::endianness): New method.
5036         (General_options::endianness_): New data member.
5037         * parameters.cc (Parameters::set_options): Check target endianness.
5038         (Parameters::set_target_once): Ditto.
5039         (Parameters::check_target_endianness): New method.
5040         (parameters_force_valid_target): If either -EL or -EB is specified,
5041         use it to define endianness of default target.
5042         * parameters.h (Parameters::check_target_endianness): New method
5043         declaration.
5044         * target.h (class Target): Change "endianity" to "endianness"
5045         in comments.
5046
5047 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5048
5049         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5050         * configure: Regenerate.
5051         * Makefile.in: Regenerate.
5052         * testsuite/Makefile.in: Regenerate.
5053
5054 2010-04-06  Cary Coutant  <ccoutant@google.com>
5055
5056         gcc PR lto/42757
5057         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5058         prevailing definitions of common symbols.
5059         * testsuite/plugin_test_6.sh: New test case.
5060         * testsuite/plugin_common_test_1.c: New test case.
5061         * testsuite/plugin_common_test_2.c: New test case.
5062         * testsuite/Makefile.am (plugin_test_6): New test case.
5063         * testsuite/Makefile.in: Regenerate.
5064
5065 2010-04-06  Nick Clifton  <nickc@redhat.com>
5066
5067         * po/vi.po: New Vietnamese translation.
5068
5069 2010-03-30  Doug Kwan  <dougkwan@google.com>
5070
5071         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5072
5073 2010-03-25  Doug Kwan  <dougkwan@google.com>
5074
5075         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5076         to avoid a conversion warning on a 32-bit host.
5077
5078 2010-03-24  Ian Lance Taylor  <iant@google.com>
5079
5080         * testsuite/script_test_3.t: Add a TLS segment.
5081         * testsuite/Makefile.am (check_PROGRAMS): Add
5082         tls_phdrs_script_test.
5083         (tls_phdrs_script_test_SOURCES): Define.
5084         (tls_phdrs_script_test_DEPENDENCIES): Define.
5085         (tls_phdrs_script_test_LDFLAGS): Define.
5086         (tls_phdrs_script_test_LDADD): Define.
5087         * testsuite/Makefile.in: Rebuild.
5088
5089 2010-03-23  Cary Coutant  <ccoutant@google.com>
5090
5091         * fileread.cc (find_or_make_view): Fix comment.
5092
5093 2010-03-23  Ian Lance Taylor  <iant@google.com>
5094
5095         * script-sections.cc (class Orphan_section_placement): Define
5096         PLACE_TLS and PLACE_TLS_BSS.
5097         (Orphan_section_placement::Orphan_section_placement): Initialize
5098         new places.
5099         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5100         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5101         (tls_script_test_SOURCES): Define.
5102         (tls_script_test_DEPENDENCIES): Define.
5103         (tls_script_test_LDFLAGS): Define.
5104         (tls_script_test_LDADD): Define.
5105         * testsuite/Makefile.in: Rebuild.
5106
5107 2010-03-22  Doug Kwan  <dougkwan@google.com>
5108
5109         * arm.cc (Arm_relocate_functions::abs8,
5110         Arm_relocate_functions::abs16): Use correct check for overflow
5111         specified in the ARM ELF specs.
5112         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5113         target of a BLX instruction specially.
5114         (Reloc_stub::stub_type_for_reloc): Ditto.
5115         (Relocate::relocate): Use symbolic names instead of numeric relocation
5116         codes to report error.
5117         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5118         workaround.
5119         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5120         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5121         thumb2_blx_out_of_range.stdout
5122         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5123         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5124         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5125         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5126         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5127         thumb2_blx_in_range, thumb2_blx_in_range.o,
5128         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5129         thumb2_blx_out_of_range.o): New rules.
5130         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5131         thumb2_blx_in_range and thumb2_blx_out_of_range.
5132         * testsuite/Makefile.in: Regenerate.
5133         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5134         * testsuite/thumb_blx_in_range.s: New file.
5135         * testsuite/thumb_blx_out_of_range.s: New file.
5136
5137 2010-03-22  Rafael Espindola  <espindola@google.com>
5138
5139         * archive.cc (Should_include): Move to archive.h.
5140         (should_include_member): Make it a member of Archive.
5141         (Lib_group): New.
5142         (Add_lib_group_symbols): New.
5143         * archive.h: Include options.h.
5144         (Archive_member): Moved from Archive.
5145         (Should_include): Moved from archive.cc.
5146         (Lib_group): New.
5147         (Add_lib_group_symbols): New.
5148         * dynobj.cc (do_should_include_member): New.
5149         * dynobj.h (do_should_include_member): New.
5150         * gold.cc (queue_initial_tasks): Update call to queue.
5151         * main.cc (main): Print lib group stats.
5152         * object.cc (do_should_include_member): New.
5153         * object.h: Include archive.h.
5154         (Object::should_include_member): New.
5155         (Object::do_should_include_member): New.
5156         (Sized_relobj::do_should_include_member): New.
5157         * options.cc (General_options::parse_start_lib): New.
5158         (General_options::parse_end_lib): New.
5159         (Input_arguments::add_file): Handle lib groups.
5160         (Input_arguments::start_group): Check we are not in a lib.
5161         (Input_arguments::start_lib): New.
5162         (Input_arguments::end_lib): New.
5163         * options.h (General_options): Add start_lib and end_lib.
5164         (Input_argument::lib_): New.
5165         (Input_argument::lib): New.
5166         (Input_argument::is_lib): New.
5167         (Input_file_lib): New.
5168         (Input_arguments::in_lib_): New.
5169         (Input_arguments::in_lib): New.
5170         (Input_arguments::start_lib): New.
5171         (Input_arguments::end_lib_): New.
5172         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5173         in unused members as preempted.
5174         (Sized_pluginobj::do_should_include_member): New.
5175         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5176         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5177         return the blocker.
5178         (Read_symbols::do_whole_lib_group): New.
5179         (Read_symbols::do_lib_group): New.
5180         (Read_symbols::do_read_symbols): Handle lib groups.
5181         (Read_symbols::get_name): Handle lib groups.
5182         * readsyms.h (Read_symbols): Add an archive member pointer.
5183         (Read_symbols::do_whole_lib_group): New.
5184         (Read_symbols::do_lib_group): New.
5185         (Read_symbols::member_): New.
5186         * script.cc (read_input_script): Update call to queue_soon.
5187
5188 2010-03-19  Doug Kwan  <dougkwan@google.com>
5189
5190         * arm.cc (Stub_table::Stub_table): Initialize new data members
5191         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5192         (Stub_table::add_reloc_stub): Assign stub offset and update
5193         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5194         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5195         New data members.
5196         (Stub_table::update_data_size_and_addralign): Use
5197         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5198         instead of going over all reloc stubs.
5199         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5200         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5201         Stringpool_template::offset_ to size of Stringpool_char.
5202         (Stringpool_template::new_key_offset): Remove code to initialize
5203         Stringpool_template::offset_.
5204         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5205         Stringpool_template::offset_ to zero.
5206
5207 2010-03-15  Doug Kwan  <dougkwan@google.com>
5208
5209         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5210         offset_.
5211         (Stringpool_template::new_key_offset): New method.
5212         (Stringpool_template::add_string): Assign offsets when adding new
5213         strings.
5214         (Stringpool_template::set_string_offsets): Do not set string offsets
5215         when not optimizing.
5216         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5217         member size_.
5218         (Chunked_vector::clear): Clear size_.
5219         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5220         (Chunked_vector::size): Return size_.
5221         (Chunked_vector::push_back): Use size_ to find insert position.
5222         (Chunked_vector::size_): New data member.
5223         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5224         (Stringpool_template::new_key_offset): New method declaration.
5225         (Stringpool_template::offset_): New data member.
5226
5227 2010-03-15   Rafael Espindola  <espindola@google.com>
5228
5229         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5230         Add_symbols' constructor.
5231         * readsyms.h (Add_symbols): Remove the input_group member.
5232
5233 2010-03-10  Ian Lance Taylor  <iant@google.com>
5234
5235         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5236         target to ask whether a reference to a symbol requires a stack
5237         split.
5238         * target.h (Target::is_call_to_non_split): New function.
5239         (Target::do_is_call_to_non_split): Declare virtual function.
5240         * target.cc: Include "symtab.h".
5241         (Target::do_is_call_to_non_split): New function.
5242         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5243
5244 2010-03-10  Cary Coutant  <ccoutant@google.com>
5245
5246         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5247         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5248         (File_read::open[2]): Add whole_file_view_ to list of views.
5249         (File_read::make_view): Remove test of whole_file_view_.
5250         (File_read::find_or_make_view): Create whole_file_view_ if
5251         necessary.
5252         (File_read::clear_views): Replace bool parameter with enum;
5253         adjust all callers.  Don't delete views with permanent data;
5254         do delete cached views and views from archives if
5255         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5256         if clearing the corresponding view.
5257         * fileread.h (File_read::Clear_views_mode): New enum.
5258         (File_read::View::is_permanent_view): New method.
5259         (File_read::clear_views): Replace bool parameter
5260         with enum; adjust all callers.
5261         * options.h (General_options): Change keep_files_mapped option;
5262         add map_whole_files.
5263         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5264         releasing the file.
5265         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5266         the file.
5267
5268 2010-03-10  David S. Miller  <davem@davemloft.net>
5269
5270         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5271
5272 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5273
5274         * icf.cc (get_section_contents): Add '@' marker after processing the
5275         merge reloc.
5276
5277 2010-03-08  Doug Kwan  <dougkwan@google.com>
5278
5279         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5280         due to a conversion warning.
5281         (Arm_relobj::update_output_local_symbol_count): Check for local
5282         symbol with unset output index.
5283
5284 2010-03-05  Ian Lance Taylor  <iant@google.com>
5285
5286         * options.h (class General_options): Add --spare-dynamic-tags.
5287         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5288         --spare-dynamic-tags.
5289
5290 2010-03-05  Ian Lance Taylor  <iant@google.com>
5291
5292         * incremental.cc: Include "libiberty.h".
5293
5294 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5295
5296         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5297         function, is_info_ member.
5298         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5299         (Versions::Versions): Update caller.
5300         (Versions::define_base_version): Likewise.
5301         (Versions::add_def): Likewise.
5302
5303 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5304
5305         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5306         (Scan::possible_function_pointer_reloc): New function.
5307         (Scan::local_reloc_may_be_function_pointer): Change to call
5308         possible_function_pointer_reloc.
5309         (Scan::global_reloc_may_be_function_pointer): Ditto.
5310         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5311         relocations in ".data.rel.ro._ZTV" section.
5312         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5313         * testsuite/icf_safe_so_test.cc: Ditto.
5314         * testsuite/icf_safe_test.cc: Ditto.
5315         * testsuite/icf_safe_test.sh: Ditto.
5316
5317 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5318             Ian Lance Taylor  <iant@google.com>
5319
5320         * target-reloc.h (relocate_section): Check the symbol table index
5321         for -1U before setting the local symbol index.
5322         (scan_relocatable_relocs): If copying the relocation, record that
5323         the local symbol is required.
5324         * object.h (Symbol_value::is_output_symtab_index_set): New
5325         function.
5326         (Symbol_value::may_be_discarded_from_output_symtab): New
5327         function.
5328         (Symbol_value::has_output_symtab_entry): New function.
5329         (Symbol_value::needs_output_symtab_entry): Remove.
5330         (Symbol_value::output_symtab_index): Make sure the symbol index is
5331         set.
5332         (Symbol_value::set_output_symtab_index): Make sure the symbol
5333         index is not set.  Make sure the new index is valid.
5334         (Symbol_value::set_must_have_output_symtab_entry): New function.
5335         (Symbol_value::has_output_dynsym_entry): New function.
5336         (Symbol_value::set_output_dynsym_index): Make sure the new index
5337         is valid.
5338         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5339         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5340         local symbol if permitted.
5341         (Sized_relobj::do_finalize_local_symbols): Call
5342         is_output_symtab_index_set rather than needs_output_symtab_entry.
5343         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5344         rather than needs_output_symtab_entry.  Call
5345         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5346         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5347         is_output_symtab_index_set rather than needs_output_symtab_entry.
5348         * testsuite/discard_locals_relocatable_test.c: New file.
5349         * testsuite/discard_locals_test.sh: Test -r.
5350         * testsuite/Makefile.am (check_DATA): Add
5351         discard_locals_relocatable_test1.syms,
5352         discard_local_relocatable_test2.syms.
5353         (MOSTLYCLEANFILES): Likewise.  Also add
5354         discard_locals_relocatable_test1.lout and
5355         discard_locals_relocatable_test2.out.
5356         (discard_locals_relocatable_test1.syms): New target.
5357         (discard_locals_relocatable_test.o): New target.
5358         (discard_locals_relocatable_test1.out): New target.
5359         (discard_locals_relocatable_test2.syms): New target.
5360         (discard_locals_relocatable_test2.out): New target.
5361         (various): Add missing ../ld-new dependencies.
5362         * testsuite/Makefile.in: Rebuild.
5363
5364 2010-03-03  Nick Clifton  <nickc@redhat.com>
5365
5366         * po/fi.po: New Finnish translation.
5367
5368 2010-03-01  Doug Kwan  <dougkwan@google.com>
5369
5370         * layout.cc (Layout::Layout): Force section types of .init_array*,
5371         .preinit_array* and .fini_array* sections.
5372         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5373         Fix check of return value of std::string::find.().
5374         (Output_section::Input_section_sort_compare::operator()): Remove
5375         comment about .init_array.
5376         (Output_section::Input_section_sort_init_fini_compare::operator()):
5377         New method.
5378         (Output_section::sort_attached_input_sections): Handle .init_array
5379         and .fini_array specially.
5380         * output.h (Output_section::Inut_section_sort_compare): Update
5381         comment.
5382         (Output_section::Input_section_sort_init_fini_compare): New struct.
5383
5384 2010-02-26  Doug Kwan  <dougkwan@google.com>
5385
5386         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5387         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5388         * testsuite/debug_msg.sh: Avoid matching source line number for
5389         use of global variable undef_int.
5390
5391 2010-02-26  Doug Kwan  <dougkwan@google.com>
5392
5393         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5394         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5395         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5396         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5397         * options.cc (General_options::General_options): Initialize member
5398         fix_v4bx_.
5399         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5400         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5401         and rm_no_fix_v4bx.stdout
5402         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5403         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5404         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5405         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5406         and arm_no_fix_v4bx.
5407         * Makefile.in: Regenerate.
5408         * testsuite/arm_fix_v4bx.s: New file.
5409         * testsuite/arm_fix_v4bx.sh: Ditto.
5410
5411 2010-02-24  Doug Kwan  <dougkwan@google.com>
5412
5413         * arm.cc (Target_arm::got_section): Make the .got section the first
5414         non RELRO section in the data segment.
5415         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5416         suffixes of section names.
5417
5418 2010-02-24  Doug Kwan  <dougkwan@google.com>
5419
5420         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5421         flags and attributes merging if an input file is a binary file.
5422         * fileread.cc (Input_file::open): Record format of original file.
5423         * fileread.h (Input_file::Format): New enum type.
5424         (Input_file::Input_file): Initialize data member format_.
5425         (Input_file::format): New method definition.
5426         (Input_file::format_):: New data member.
5427
5428 2010-02-24  Doug Kwan  <dougkwan@google.com>
5429
5430         * arm.cc (Arm_output_data_got): New class.
5431         (ARM_TCB_SIZE): New constant
5432         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5433         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5434         If user uses a script with a SECTIONS clause, issue only a warning
5435         for a misplaced EXIDX input section.  Otherwise, issue an error.
5436         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5437         garbage collection.
5438         (Target_arm::got_mode_index_entry): Handle static linking.
5439         (Target_arm::Scan::local): Ditto.
5440         (Target_arm::Scan::global): Ditto.
5441         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5442         all incorrectly implemented relocations.
5443         (Target_arm::fix_exidx_coverage): Pass layout to
5444         Arm_output_section::fix_exidx_coverage.
5445         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5446         from ".ARM.exidx." and ".ARM.extab.".
5447
5448 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5449
5450         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5451         section if it does not already exist.
5452         * attributes.cc (Attributes_section_data::Attributes_section_data):
5453         Don't crash if size is zero.
5454
5455 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5456             Ian Lance Taylor  <iant@google.com>
5457
5458         * gold.cc (queue_middle_tasks): If no input files were opened,
5459         exit.
5460         * workqueue.h (Task_function::Task_function): Assert that there is
5461         a blocker.
5462
5463 2010-02-22  Doug Kwan  <dougkwan@google.com>
5464
5465         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5466         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5467         types to avoid warnings due to different uint64_t implementations
5468         on different hosts.
5469
5470 2010-02-21  Doug Kwan  <dougkwan@google.com>
5471
5472         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5473         handling of the maximum backward branch offset.
5474         (Arm_relocate_functions::thumb_branch_common): Ditto.
5475         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5476         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5477         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5478         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5479         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5480         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5481         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5482         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5483         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5484         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5485         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5486         thumb2_bl_out_of_range.o): New rules.
5487         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5488         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5489         thumb2_bl_out_of_range
5490         * testsuite/Makefile.in: Regenerate.
5491         * testsuite/arm_bl_in_range.s: New file.
5492         * testsuite/arm_bl_out_of_range.s: Ditto.
5493         * testsuite/arm_branch_in_range.sh: Ditto.
5494         * testsuite/arm_branch_range.t: Ditto.
5495         * testsuite/thumb2_branch_range.t: Ditto.
5496         * testsuite/thumb_bl_in_range.s: Ditto.
5497         * testsuite/thumb_bl_out_of_range.s: Ditto.
5498         * testsuite/thumb_branch_range.t: Ditto.
5499
5500 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5501
5502         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5503         Add reloc offset information.
5504         * icf.cc (get_section_contents): Change iterators to point to the new
5505         vectors. Add reloc offset information to the contents.
5506         * icf.h (Icf::Sections_reachable_info): New typedef.
5507         (Icf::Sections_reachable_list): New typedef.
5508         (Icf::Offset_info): New typedef.
5509         (Icf::Reloc_info): New struct typedef.
5510         (Icf::Reloc_info_list): New typedef.
5511         (Icf::symbol_reloc_list): Delete method.
5512         (Icf::addend_reloc_list): Delete method.
5513         (Icf::section_reloc_list): Delete method.
5514         (Icf::reloc_info_list): New method.
5515         (Icf::reloc_info_list_): New member.
5516
5517 2010-02-19  Doug Kwan  <dougkwan@google.com>
5518
5519         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5520         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5521         * arm.cc (Arm_relocation_functions): New forward declaration.
5522         (Target_arm::Target_arm): Initialize new data members
5523         got_mod_index_offset_ and tls_base_symbol_defined_.
5524         (Target_arm::Relocate::relocate_tls): New method.
5525         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5526          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5527         New methods.
5528         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5529         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5530         (Target_arm::got_mod_index_offset_,
5531         Target_arm::tls_base_symbol_defined_): New data members.
5532         (Target_arm::Scan::local, Target::Scan::global,
5533         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5534         relocations.
5535
5536 2010-02-18  Doug Kwan  <dougkwan@google.com>
5537
5538         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5539         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5540         text section as a parameter becuase some broken tools may not set
5541         the link in section header.
5542         (Target_arm::has_got_section): New method.
5543         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5544         without any mapping symbol as data only.  Remove warning.
5545         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5546         link in its section header, try to discover the link by inspecting the
5547         REL31 relocation at the beginning of the section.
5548         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5549         in error message.
5550         (Target_arm::Scan::global): Treat any reference to the symbol
5551         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5552
5553 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5554
5555         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5556         (Scan::global_reloc_may_be_function_pointer): New function.
5557         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5558         (Scan::global_reloc_may_be_function_pointer): New function.
5559         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5560         (Scan::global_reloc_may_be_function_pointer): New function.
5561         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5562         (Scan::global_reloc_may_be_function_pointer): New function.
5563         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5564         (Scan::global_reloc_may_be_function_pointer): New function.
5565         (Scan::possible_function_pointer_reloc): New function.
5566         (Target_x86_64::can_check_for_function_pointers): New function.
5567         * gc.h (gc_process_relocs): Scan relocation types to determine if
5568         function pointers were taken for targets that support it.
5569         * icf.cc (Icf::find_identical_sections): Include functions for
5570         folding in safe ICF whose pointer is not taken.
5571         * icf.h (Secn_fptr_taken_set): New typedef.
5572         (fptr_section_id_): New member.
5573         (section_has_function_pointers): New function.
5574         (set_section_has_function_pointers): New function.
5575         (check_section_for_function_pointers): New function.
5576         * options.h: Fix comment for safe ICF option.
5577         * target.h (can_check_for_function_pointers): New function.
5578         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5579         Modify icf_safe_test for X86-64.
5580         * testsuite/Makefile.in: Regenerate.
5581         * testsuite/icf_safe_so_test.cc: New file.
5582         * testsuite/icf_safe_so_test.sh: New file.
5583         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5584         (main): Change to take pointer to function kept_func_3.
5585         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5586         folding is done correctly for X86-64.
5587
5588 2010-02-12  David S. Miller  <davem@davemloft.net>
5589
5590         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5591         is_symbolless parameter.
5592         (Output_reloc<SHT_REL>::is_symbolless): New.
5593         (Output_reloc<SHT_REL>::is_symbolless_): New.
5594         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5595         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5596         (Output_reloc<SHT_RELA>::is_symbolless): New.
5597         (Output_data_reloc::add_global): Handle is_symbolless.
5598         (Output_data_reloc::add_global_relative): Likewise.
5599         (Output_data_reloc::add_local): Likewise.
5600         (Output_data_reloc::add_local_relative): Likewise.
5601         (Output_data_reloc::add_symbolless_global_addend): New.
5602         (Output_data_reloc::add_symbolless_local_addend): New.
5603         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5604         is_symbolless.
5605         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5606         instead of ->is_relative_
5607         (Output_reloc::write): Likewise.
5608         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5609         (Output_reloc::write_rel): Simplify.
5610
5611         * sparc.cc (Target_sparc::Scan::local): Use
5612         ->add_symbolless_local_addend as needed.
5613         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5614         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5615         based upon relocation offset.
5616
5617 2010-02-11  Doug Kwan  <dougkwan@google.com>
5618
5619         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5620         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5621         beginning of function.
5622         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5623         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5624         parameter is_32bit in calls to should_apply_static_reloc.
5625         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5626         (check_DATA): Add arm_abs_global.stdout.
5627         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5628         arm_abs_global.stdout): New rules.
5629         (MOSTLLYCLEANFILES): Add arm_abs_global
5630         * Makefile.in: Regenerate.
5631         * testsuite/arm_abs_global.s: New file.
5632         * testsuite/arm_abs_global.sh: Ditto.
5633         * testsuite/arm_abs_lib.s: Ditto.
5634
5635 2010-02-11  Ian Lance Taylor  <iant@google.com>
5636
5637         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5638         Read_relocs task.
5639         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5640         Allocate_commons_task first.
5641         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5642         task, rather than symtab_lock_.
5643         (Gc_process_relocs::~Gc_process_relocs): New function.
5644         (Gc_process_relocs::is_runnable): Check this_blocker_.
5645         (Gc_process_relocs::locks): Use next_blocker_ rather than
5646         blocker_.
5647         (Scan_relocs::~Scan_relocs): New function.
5648         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5649         symtab_lock_.
5650         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5651         next_blocker_.
5652         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5653         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5654         constructor accordingly.
5655         (class Gc_process_relocs): Likewise.
5656         (class Scan_relocs): Likewise.
5657         * common.h (class Allocate_commons_task): Remove symtab_lock_
5658         field, and corresponding constructor parameter.
5659         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5660         symtab_lock_.
5661         (Allocate_commons_task::locks): Likewise.
5662
5663 2010-02-11  Ian Lance Taylor  <iant@google.com>
5664
5665         * gold-threads.h (class Once): Define.
5666         (class Initialize_lock): Rewrite as child of Once.
5667         * gold-threads.cc (class Once_initialize): Define.
5668         (once_pointer_control): New static variable.
5669         (once_pointer, once_arg): New static variables.
5670         (c_run_once): New static function.
5671         (Once::Once, Once::run_once, Once::internal_run): New functions.
5672         (class Initialize_lock_once): Remove.
5673         (initialize_lock_control): Remove.
5674         (initialize_lock_pointer): Remove.
5675         (initialize_lock_once): Remove.
5676         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5677         (Initialize_lock::initialize): Rewrite.
5678         (Initialize_lock::do_run_once): New function.
5679         * archive.cc (Archive::interpret_header): Only clear name if it is
5680         not already empty.
5681         * fileread.cc: Include "gold-threads.h"
5682         (file_counts_lock): New static variable.
5683         (file_counts_initialize_lock): Likewise.
5684         (File_read::release): Only increment counts when using --stats.
5685         Use a lock around the increment.
5686         * parameters.cc (class Set_parameters_target_once): Define.
5687         (set_parameters_target_once): New static variable.
5688         (Parameters::Parameters): Move here from parameters.h.
5689         (Parameters::set_target): Rewrite.
5690         (Parameters::set_target_once): New function.
5691         (Parameters::clear_target): Move here and rewrite.
5692         * parameters.h (class Parameters): Update declarations.  Add
5693         set_parameters_target_once_ field.
5694         (Parameters::Parameters): Move to parameters.cc.
5695         (Parameters::clear_target): Likewise.
5696         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5697         task.
5698         (Start_group::~Start_group): New function.
5699         (Start_group::is_runnable): New function.
5700         (Start_group::locks, Start_group::run): New functions.
5701         (Finish_group::run): Change saw_undefined to size_t.
5702         * readsyms.h (class Start_group): Define.
5703         (class Finish_group): Change saw_undefined_ field to size_t.
5704         (Finish_group::Finish_group): Remove saw_undefined and
5705         this_blocker parameters.  Change all callers.
5706         (Finish_group::set_saw_undefined): New function.
5707         (Finish_group::set_blocker): New function.
5708         * symtab.h (class Symbol_table): Change saw_undefined to return
5709         size_t.  Change saw_undefined_ field to size_t.
5710         * target-select.cc (Set_target_once::do_run_once): New function.
5711         (Target_selector::Target_selector): Initialize set_target_once_
5712         field.  Don't initialize lock_ and initialize_lock_ fields.
5713         (Target_selector::instantiate_target): Rewrite.
5714         (Target_selector::set_target): New function.
5715         * target-select.h (class Set_target_once): Define.
5716         (class Target_selector): Update declarations.  Make
5717         Set_target_once a friend.  Remove lock_ and initialize_lock_
5718         fields.  Add set_target_once_ field.
5719
5720 2010-02-10  Ian Lance Taylor  <iant@google.com>
5721
5722         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5723         queueing any tasks.
5724         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5725         (queue_middle_tasks): Add all blockers before queueing any tasks.
5726         (queue_final_tasks): Likewise.
5727         * token.h (Task_token::add_blockers): New function.
5728         * object.h (Input_objects::number_of_relobjs): New function.
5729
5730 2010-02-10  Ian Lance Taylor  <iant@google.com>
5731
5732         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5733         shared, not if not position independent.
5734         * x86_64.cc (Relocate::relocate_tls): Likewise.
5735         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5736         (tls_pie_pic_test): New target.
5737         * testsuite/Makefile.in: Rebuild.
5738
5739         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5740         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5741         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5742         * testsuite/Makefile.in: Rebuild.
5743
5744 2010-02-09  David S. Miller  <davem@davemloft.net>
5745
5746         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5747         R_SPARC_RELATIVE using ->add_local_relative().
5748         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5749
5750         * output.h (Output_data_dynamic::add_section_size): New method
5751         that takes two Output_data objects.
5752         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5753         entry param.  Handle it in initializers.
5754         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5755         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5756         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5757         arg.
5758         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5759         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5760         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5761         for dynrel_includes_plt.
5762         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5763         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5764         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5765         before .rela.plt
5766         (Target_sparc::do_finalize_sections): Update to pass true for
5767         dynrel_includes_plt.
5768         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5769         output before .rela.plt
5770         (Target_powerpc::do_finalize_sections): Update to pass true for
5771         dynrel_includes_plt when 32-bit.
5772
5773 2010-02-08  Doug Kwan  <dougkwan@google.com>
5774
5775         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5776         method.
5777         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5778         Arm_relobj::scan_section_for_cortex_a8_stubs,
5779         Arm_relobj::do_relocation_section): Instead of calling
5780         Output_section::output_address, use faster
5781         Arm_relobj::simple_input_section_output_address.
5782
5783 2010-02-08  David S. Miller  <davem@davemloft.net>
5784
5785         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5786         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5787         relocation helper function.
5788
5789         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5790         just like R_SPARC_GOT{10,13,22}.
5791         (Target_sparc::Scan::local): Likewise.
5792         (Target_sparc::Relocate:relocate): Likewise.
5793
5794 2010-02-06  Ian Lance Taylor  <iant@google.com>
5795
5796         * configure.ac: Rewrite targetobjs duplicate removal code to use
5797         only shell constructs.
5798         * configure: Rebuild.
5799
5800 2010-02-05  Doug Kwan  <dougkwan@google.com>
5801
5802         PR 11247
5803         * arm.cc (Arm_relobj::section_is_scannable): New method.
5804         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5805         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5806
5807 2010-02-04  Doug Kwan  <dougkwan@google.com>
5808
5809         PR 11247
5810         * arm-reloc-property.cc (cstdio): Include.
5811         * configure.ac (targetobjs): Remove duplicates.
5812         * configure: Regenerate.
5813         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5814         big and little endian version for a given address size.
5815
5816 2010-02-03  Doug Kwan  <dougkwan@google.com>
5817
5818         * arm-reloc-property.cc
5819         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5820         definition.
5821         * arm-reloc-property.h
5822         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5823         New method definition.
5824         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5825         declaration.
5826         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5827         overflow to N.
5828         (GOT_PREL): Change implemented to Y.
5829         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5830         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5831         (Arm_relocate_functions::movw_abs_nc): Remove method.
5832         (Arm_relocate_functions::movt_abs): Ditto.
5833         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5834         (Arm_relocate_functions::thm_movt_abs): Ditto.
5835         (Arm_relocate_functions::movw_rel_nc): Ditto.
5836         (Arm_relocate_functions::movw_rel): Ditto.
5837         (Arm_relocate_functions::movt_rel): Ditto.
5838         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5839         (Arm_relocate_functions:thm_movw_rel): Ditto.
5840         (Arm_relocate_functions:thm_movt_rel): Ditto.
5841         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5842         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5843         New method definitions.
5844         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5845         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5846         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5847         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5848         (Target_arm::Relocate::relocate): Check for non-static or
5849         unimplemented relocation code and exit early.  Change calls to
5850         Target_arm::reloc_uses_thumb_bit and
5851         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5852         instead.  Refactor code to handle similar relocations to increase
5853         code sharing.  Remove check for unsupported relocation code in switch
5854         statement.
5855         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5856         relocation property table to find out size.  Change error message to
5857         print out the name of a relocation code instead of the numeric value.
5858         (Target_arm::scan_reloc_for_stub): Use relocation property table
5859         instead of calling Target_arm::reloc_uses_thumb_bit().
5860
5861 2010-02-02  Doug Kwan  <dougkwan@google.com>
5862
5863         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5864         types of relaxed input section.
5865
5866 2010-02-02  Doug Kwan  <dougkwan@google.com>
5867
5868         * Makefile.am (HFILES): Add arm-reloc-property.h.
5869         (DEFFILES): New.
5870         (TARGETSOURCES): Add arm-reloc-property.cc
5871         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5872         (libgold_a_SOURCES): $(DEFFILES)
5873         * Makefile.in: Regenerate.
5874         * arm-reloc-property.cc: New file.
5875         * arm-reloc-property.h: New file.
5876         * arm-reloc.def: New file.
5877         * arm.cc: Update comments.
5878         (arm-reloc-property.h): New included header.
5879         (arm_reloc_property_table): New global variable.
5880         (Target_arm::do_select_as_default_target): New method definition.
5881         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5882         arm-reloc-property to targ_extra_obj.
5883         * parameters.cc (set_parameters_target): Call
5884         Target::select_as_default_target().
5885         * target.h (Target::select_as_default_target): New method definition.
5886         (Target::do_select_as_default_target): Same.
5887
5888 2010-02-01  Doug Kwan  <dougkwan@google.com>
5889
5890         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5891         first_output_text_section_.
5892         (Arm_exidx_fixup::first_output_text_section): New method definition.
5893         (Arm_exidx_fixup::first_output_text_section_): New data member.
5894         (Arm_exidx_fixup::process_exidx_section): Record the first text
5895         output section seen.
5896         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5897         and entsize in output section header.
5898
5899 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5900
5901         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5902         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5903         (Arm_relocate_functions::thm_alu11): New Method.
5904         (Arm_relocate_functions::thm_pc8): New Method.
5905         (Arm_relocate_functions::thm_pc12): New Method.
5906         (Target_arm::Scan::local): Handle the relocations.
5907         (Target_arm::Scan::global): Likewise.
5908         (Target_arm::Relocate::relocate): Likewise.
5909         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5910
5911 2010-01-29  Doug Kwan  <dougkwan@google.com>
5912
5913         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5914         of relocation types as ld.
5915
5916 2010-01-29  Doug Kwan  <dougkwan@google.com>
5917
5918         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5919         to public.
5920         (Arm_relocate_functions::thumb_branch_common): Ditto.
5921         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5922         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5923         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5924         Arm_relocate_functions::jump24): Remove.
5925         (Target_arm::Relocate::relocate): Adjust code to call
5926         Arm_relocation_functions::arm_branch_common and
5927         Arm_relocation_functions::thumb_branch_common instead of their removed
5928         wrappers.  Merge switch-cases together to reduce source code size.
5929
5930 2010-01-29  Doug Kwan  <dougkwan@google.com>
5931
5932         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5933         output_local_symbol_count_needs_update_.
5934         (Arm_relobj::output_local_symbol_count_needs_update,
5935          Arm_relobj::set_output_local_symbol_count_needs_update,
5936          Arm_relobj::update_output_local_symbol_count): New methods.
5937         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5938         member.
5939         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5940         of pointed function as in a R_ARM_PREL31 relocation.
5941         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5942         for output local symbol count updating.
5943         (Target_arm::do_relax): Update output local symbol counts in objects
5944         if necessary.
5945         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5946
5947 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5948
5949         * arm.cc: Added support for the ARM relocations:
5950         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5951         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5952         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5953         movw_prel_nc).
5954         (Arm_relocate_functions::movw_rel): New method.
5955         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5956         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5957         thm_movw_prel_nc).
5958         (Arm_relocate_functions::thm_movw_rel): New method.
5959         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5960         thm_movt_prel).
5961         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5962         relocations.
5963         (Target_arm::Scan::global): Likewise.
5964         (Target_arm::Relocate::relocate): Likewise.
5965         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5966         Likewise.
5967
5968 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5969
5970         * arm.cc: Added support for ARM group relocations.
5971         (Target_arm::reloc_needs_sym_origin): New method.
5972         (Arm_relocate_functions::calc_grp_kn): New method.
5973         (Arm_relocate_functions::calc_grp_residual): New method.
5974         (Arm_relocate_functions::calc_grp_gn): New method.
5975         (Arm_relocate_functions::arm_grp_alu): New Method.
5976         (Arm_relocate_functions::arm_grp_ldr): New Method.
5977         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5978         (Arm_relocate_functions::arm_grp_ldc): New Method.
5979         (Target_arm::Scan::local): Handle the ARM group relocations.
5980         (Target_arm::Scan::global): Likewise.
5981         (Target_arm::Relocate::relocate): Likewise.
5982         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5983         Likewise.
5984
5985 2010-01-26  Doug Kwan  <dougkwan@google.com>
5986
5987         * arm.cc (set): Include.
5988         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5989         pointer type.
5990         (Arm_output_section::Text_section_list): New type.
5991         (Arm_output_section::append_text_sections_to_list): New method.
5992         (Arm_output_section::fix_exidx_coverage): Ditto.
5993         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5994         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5995         Relobj::set_section_offset() instead of
5996         Sized_relobj::invalidate_section_offset().
5997         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5998         parameter for section headers. Ignore relocation sections for
5999         unallocated sections and EXIDX sections.
6000         (Target_arm::fix_exidx_coverage): New method.
6001         (Target_arm::output_section_address_less_than): New type.
6002         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6003         linked text section instead of the EXIDX section.
6004         (Arm_output_section::create_stub_group): Add an assertion to check
6005         that this is not an EXIDX output section.
6006         (Arm_output_section::append_text_sections_to_list): New method.
6007         (Arm_output_section::fix_exidx_coverage): Ditto.
6008         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6009         Arm_relobj::section_needs_reloc_stub_scanning.
6010         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6011         first pass.
6012         (Target_arm::fix_exidx_coverage): New method.
6013         * object.h (Relobj::set_output_section): New method.
6014         (Sized_relobj::invalidate_section_offset): Remove method.
6015         (Sized_relobj::do_invalidate_section_offset): Remove method.
6016         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6017
6018 2010-01-25  Doug Kwan  <dougkwan@google.com>
6019
6020         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6021         Fix warning due to signed and unsigned comparison on a 32-bit host.
6022
6023 2010-01-22  Doug Kwan  <dougkwan@google.com>
6024
6025         * arm.cc (Target_arm::do_relax): Record an output section for section
6026         offset adjustment it contains any stub table that has changed.
6027         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6028         offsets in an output section if necessary.
6029         * output.cc (Output_section::Output_section): Initialize
6030         section_offsets_need_adjustments_.
6031         (Output_section::add_input_section_for_script): Renamed to
6032         Output_section::add_simple_input_section.
6033         (Output_section::save_states): Add a comment.
6034         (Output_section::discard_states): New method defintion.
6035         (Output_section::adjust_section_offsets): Same.
6036         * output.h (Output_section::add_input_section_for_script): Renamed to
6037         Output_section::add_simple_input_section.
6038         (Output_section::discard_states): New method declaration.
6039         (Output_section::adjust_section_offsets): Same.
6040         (Output_section::section_offsets_need_adjustment,
6041         Output_section::set_section_offsets_need_adjustment): New method
6042         definitions.
6043         (Output_section::section_offsets_need_adjustment_): New data member.
6044         * script-sections.cc
6045         (Output_section_element_input::set_section_address): Adjust code for
6046         renaming of Output_section::add_input_section_for_script.
6047         (Orphan_output_section::set_section_address): Same.
6048
6049 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6050
6051         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6052         Fix_v4bx enum values .
6053         * gold/options.h (General_options): New option definitions.
6054         (General_options::fix_v4bx): New method.
6055         (General_options::Fix_v4bx): New enum.
6056         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6057         (General_options::parse_fix_v4bx_interworking): New method.
6058
6059 2010-01-22  Doug Kwan  <dougkwan@google.com>
6060
6061         * arm.cc (Arm_exidx_fixup): New class.
6062
6063 2010-01-21  Doug Kwan  <dougkwan@google.com>
6064
6065         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6066         classes.
6067         (Arm_exidx_section_offset_map): New type.
6068
6069 2010-01-21  Doug Kwan  <dougkwan@google.com>
6070
6071         * arm.cc (Arm_exidx_input_section): New class.
6072         (Arm_relobj::exidx_input_section_by_link,
6073         Arm_relobj::exidx_input_section_by_shndx,
6074         Arm_relobj::make_exidx_input_section): New methods.
6075         (read_arm_attributes_section): Remove.
6076         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6077         information about them.
6078         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6079         to here.
6080
6081 2010-01-20  Doug Kwan  <dougkwan@google.com>
6082
6083         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6084         Input_section_specifier to Section_id.
6085         (Target_arm::new_arm_input_section: Adjust code for change of key
6086         type.
6087         (Target_arm::find_arm_input_section): Ditto.
6088         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6089         (Section_id): Remove.
6090         (Garbage_collection::Section_id_hash): Remove.
6091         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6092         (Section_id): Remove.
6093         (Icf::Section_id_hash): Remove.
6094         * object.h (Section_id, Const_section_id, Section_id_hash,
6095         Const_section_id_hash): New type definitions.
6096         * output.cc (Output_section::add_relaxed_input_section): Change to
6097         use Const_section_id instead of Input_section_specifier as key type.
6098         (Output_section::add_merge_input_section): Ditto.
6099         (Output_section::build_relaxation_map): Change to use Section_id
6100         instead of Input_section_specifier as key type.
6101         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6102         Ditto.
6103         (Output_section::convert_input_sections_to_relaxed_sections): Change
6104         to use Const_section_id instead of Input_section_specifier as key type.
6105         (Output_section::find_merge_section): Ditto.
6106         (Output_section::find_relaxed_input_section): Ditto.
6107         * output.h (Input_section_specifier): Remove class.
6108         (Output_section::Output_section_data_by_input_section_map): Change
6109         key type to Const_section_id.
6110         (Output_section::Output_relaxed_input_section_by_input_section_map):
6111         Ditto.
6112         (Output_section::Relaxation_map): Change key type to Section_id.
6113
6114 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6115
6116         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6117         (class Arm_v4bx_stub): New class.
6118         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6119         (Stub_factory::make_arm_v4bx_stub): New method.
6120         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6121         (Stub_table::empty): Handle v4bx stubs.
6122         (Stub_table::add_arm_v4bx_stub): New method.
6123         (Stub_table::find_arm_v4bx_stub): New method.
6124         (Arm_relocate_functions::v4bx): New method.
6125         (Target_arm::fix_v4bx): New method.
6126         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6127         (Stub_table::relocate_stubs): Likewise.
6128         (Stub_table::do_write): Likewise.
6129         (Stub_table::update_data_size_and_addralign): Likewise.
6130         (Stub_table::finalize_stubs):  Likewise.
6131         (Target_arm::Scan::local): Likewise.
6132         (Target_arm::Scan::global): Likewise.
6133         (Target_arm::do_finalize_sections): Likewise.
6134         (Target_arm::Relocate::relocate): Likewise.
6135         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6136         Likewise.
6137         (Target_arm::scan_reloc_for_stub): Likewise.
6138         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6139
6140 2010-01-19  Ian Lance Taylor  <iant@google.com>
6141
6142         * output.cc (Output_section_headers::do_sized_write): Write large
6143         segment count to sh_info field.
6144         (Output_file_header::do_sized_write): For large segment count,
6145         write PN_XNUM to e_phnum field.
6146
6147 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6148
6149         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6150         (Arm_relocate_functions::thm_jump8): New function.
6151         (Arm_relocate_functions::thm_jump11): New function.
6152         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6153         R_ARM_THM_JUMP11.
6154         (Target_arm::Scan::global): Likewise.
6155         (Target_arm::Relocate::relocate): Likewise.
6156         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6157         Likewise.
6158
6159 2010-01-14  Doug Kwan  <dougkwan@google.com>
6160
6161         * arm.cc (map, utility): Include headers.
6162         (Target_arm::apply_cortex_a8_workaround): New method.
6163         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6164         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6165         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6166         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6167         the --[no-]fix-cortex-a8 command line options.
6168         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6169         (Target_arm::relocate_stub): Use addend in instruction template.
6170         * options.h (DEFINE_bool): Set the user-set flag.
6171         (General_options): Add --[no-]-fix-cortex options.
6172         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6173         : Update fast look-up map after conversion.
6174
6175 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6176
6177         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6178         in the first pass of do_layout.
6179
6180 2010-01-13  Doug Kwan  <dougkwan@google.com>
6181
6182         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6183         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6184         apparent compiler problem of not folding static constant integral
6185         data members of elfcpp::Elf_sizes<32>.
6186
6187 2010-01-13  Doug Kwan  <dougkwan@google.com>
6188
6189         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6190         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6191         Arm_relobj::scan_section_for_cortex_a8_erratum,
6192         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6193         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6194         sections to scan for relocation stubs into a new method
6195         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6196         relocation and Cortex-A8 stub scanning.
6197         (Target_arm::do_relax): Force stubs to be after stubbed sections
6198         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6199         the beginning of a new relaxation pass.  Update a comment.
6200         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6201
6202 2010-01-12  Ian Lance Taylor  <iant@google.com>
6203
6204         * target-reloc.h (visibility_error): New inline function.
6205         (relocate_section): Call visibility_error.
6206         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6207         (MOSTLYCLEANFILES): Likewise.
6208         (protected_4_pic.o, protected_3.err): New targets.
6209         * testsuite/protected_4.cc: New file.
6210
6211 2010-01-12  Doug Kwan  <dougkwan@google.com>
6212
6213         * arm.cc (Cortex_a8_reloc): New class.
6214         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6215         and cortex_a8_relocs_info_.
6216         (Target_arm::fix_cortex_a8): New method definition.
6217         (Target_arm::Cortex_a8_relocs_info): New type.
6218         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6219         New data member declarations.
6220         (Target_arm::scan_reloc_for_stub): Record information about
6221         relocations for THUMB branches that might be exempted from the
6222         Cortex-A8 workaround.
6223         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6224         at the beginning of a relaxation pass.
6225
6226 2010-01-12  Doug Kwan  <dougkwan@google.com>
6227
6228         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6229         (Arm_relobj::Mapping_symbol_position,
6230          Arm_reloj::Mapping_symbol_position_less,
6231          Arm_relobj::Mapping_symbols_info): New types.
6232         (Target_arm::is_mapping_symbol_name): New method definition.
6233         (Arm_relobj::do_count_local_symbols): Save information about mapping
6234         symbols.
6235
6236 2010-01-11  Doug Kwan  <dougkwan@google.com>
6237
6238         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6239         Arm_relocate_functions::thumb32_branch_upper,
6240         Arm_relocate_functions::thumb32_branch_lower,
6241         Arm_relocate_functions::thumb32_cond_branch_offset,
6242         Arm_relocate_functions::thumb32_cond_branch_upper,
6243         Arm_relocate_functions::thumb32_cond_branch_lower,
6244         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6245         branch offset encoding.
6246         (Arm_relocate_functions::thumb_branch_common): Use new branch
6247         offset encoding methods to avoid code duplication.
6248         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6249         (Stub_addend_reader::operator()): Use new branch encoding method
6250         to avoid code duplication.
6251
6252 2010-01-11  Doug Kwan  <dougkwan@google.com>
6253
6254         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6255         (Target_arm::do_finalize_sections): Define special EXIDX section
6256         symbols only if referenced.
6257         * gc.h (Garbage_collection::add_reference): New method.
6258         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6259         code duplication.
6260
6261 2010-01-11  Ian Lance Taylor  <iant@google.com>
6262
6263         * script.cc (Version_script_info::build_expression_list_lookup):
6264         Change complaing about duplicate wildcard match from error to
6265         warning.
6266
6267         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6268         of 2009-12-30.
6269         (Version_script_info::Version_script_info): Initialize globs_,
6270         default_version_, default_is_global_, and exact_.  Don't
6271         initialize globals_ or locals_.
6272         (Version_script_info::build_lookup_tables): Build local symbols
6273         first.
6274         (Version_script_info::unquote): New function.
6275         (Version_script_info::add_exact_match): New function.
6276         (Version_script_info::build_expression_list_lookup): Remove lookup
6277         parameter.  Add is_global parameter.  Change all callers.  Handle
6278         wildcard pattern specially.  Unquote pattern.  Call
6279         add_exact_match.
6280         (Version_script_info::get_name_to_match): New function.
6281         (Version_script_info::get_symbol_version): New function.
6282         (Version_script_info::get_symbol_version_helper): Remove.
6283         (Version_script_info::check_unmatched_names): Call unquote.
6284         * script.h (class Version_script_info): Change get_symbol_version
6285         to be non-inline and add is_global parameter; change all callers.
6286         Rewrite symbol_is_local.  Update declarations.  Define struct
6287         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6288         Remove globals_ and locals_ members.  Add exact_, globs_,
6289         default_version_, is_global_.
6290         (Version_script_info::Glob): Remove pattern, add expression and
6291         is_global.  Update constructor.  Change all callers.
6292         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6293         default version.
6294         (Versions::symbol_section_contents): If a symbol is undefined, or
6295         defined in a dynamic object, set the version index to
6296         VER_NDX_LOCAL.
6297         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6298         symbol_is_local.
6299         (Symbol_table::add_from_pluginobj): Likewise.
6300         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6301
6302 2010-01-11  Doug Kwan  <dougkwan@google.com>
6303
6304         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6305         (incremental_dump_LDADD): Add linking option for libintl.
6306         * Makefile.in: Regenerate.
6307
6308 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6309
6310         PR gold/11144
6311         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6312         instead of -Ds.
6313         * testsuite/Makefile.in: Regenerated.
6314
6315 2010-01-10  Doug Kwan  <dougkwan@google.com>
6316
6317         * options.h (DEFINE_var): Use parentheses around argument varname__
6318         in macro body to avoid any unintended subsequent substitutions.
6319
6320 2010-01-10  Ian Lance Taylor  <iant@google.com>
6321
6322         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6323         candidates before doing symbol resolution.
6324
6325         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6326         ODR candidates if only one is weak.
6327
6328 2010-01-08  Ian Lance Taylor  <iant@google.com>
6329
6330         * script.cc (Version_script_info::build_expression_list_lookup):
6331         Don't warn about ambiguous version, just record the ambiguity.
6332         (Version_script_info::get_symbol_version_helper): Give error if
6333         version is ambiguous.
6334
6335 2010-01-08  Doug Kwan  <dougkwan@google.com>
6336
6337         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6338           prev_data_size_ and prev_addralign_.  Remove initializer for
6339           deleted data member has_been_changed_.
6340           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6341           to determine if the table is empty.
6342           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6343           Remove.
6344           (Stub_table::add_reloc_stub): Define method in class definition
6345           instead of just declaring it there.
6346           (Stub_table::add_cortex_a8_stub): New method definition.
6347           (Stub_table::update_data_size_and_addralign): Ditto.
6348           (Stub_table::finalize_stubs): Ditto.
6349           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6350           (Stub_table::do_addralign_): Return address alignment in the
6351           (Stub_table::do_reset_address_and_file_offset): Define method in
6352           class definition instead of declaring it there.  Set current data
6353           size to be the data size of the previous pass.
6354           (Stub_table::set_final_data_size): Use current data size as the
6355           final data size.
6356           (Stub_table::relocate_stub): Change parameter type of stub from
6357           Reloc_stub pointer to Stub pointer.
6358           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6359           (Stub_table::Cortex_a8_stub_list): New typedef.
6360           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6361            Stub_table::prev_addralign_): New data member.
6362           (Arm_relobj::Arm_relobj): Initialize data member
6363           section_has_cortex_a8_workaround_.
6364           (Arm_relobj::section_has_cortex_a8_workaround,
6365            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6366            definitions.
6367           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6368           declarations.
6369           (Target_arm::relocate_stub): Change parameter type of stub from
6370           Reloc_stub pointer to Stub pointer.
6371           (Insn_template::size, Insn_template::alignment): Handle
6372           THUMB16_SPECIAL_TYPE.
6373           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6374            Stub_table::update_data_size_and_addralign,
6375            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6376           definitions.
6377           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6378           (Stub_table::do_write): Ditto.
6379           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6380
6381 2010-01-08  Ian Lance Taylor  <iant@google.com>
6382
6383         PR 11108
6384         * symtab.h (class Symbol): Remove fields is_target_special_ and
6385         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6386         (Symbol::is_defined_in_discarded_section): New function.
6387         (Symbol::set_is_defined_in_discarded_section): New function.
6388         (Symbol::has_plt_offset): Rewrite.
6389         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6390         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6391         Don't initialize is_target_special_ or has_plt_offset_.
6392         Initialize is_defined_in_discarded_section_.
6393         (Symbol_table::add_from_relobj): If appropriate, set
6394         is_defined_in_discarded_section.
6395         * resolve.cc (Symbol::override_base_with_special): Don't test
6396         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6397         * target-reloc.h (relocate_section): Do special handling for
6398         symbols defined in discarded sections for global symbols as well
6399         as local symbols.
6400
6401 2010-01-08  Ian Lance Taylor  <iant@google.com>
6402
6403         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6404         the SHT_SYMTAB case.
6405
6406 2010-01-08  Ian Lance Taylor  <iant@google.com>
6407
6408         * object.cc (Sized_relobj::do_layout): Don't get confused if
6409         layout_eh_frame returns NULL.
6410
6411 2010-01-08  Ian Lance Taylor  <iant@google.com>
6412
6413         PR 11084
6414         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6415         dynamic symbol table, use the normal symbol table.
6416         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6417         symbol table.
6418
6419 2010-01-08  Ian Lance Taylor  <iant@google.com>
6420
6421         PR 11072
6422         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6423         sections.
6424
6425 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6426
6427         * version.cc (print_version): Change to "Copyright 2010".
6428
6429 2010-01-08  Ian Lance Taylor  <iant@google.com>
6430
6431         PR 10287
6432         PR 11063
6433         * i386.cc (class Target_i386): Change return type of plt_section
6434         to be non-const.
6435         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6436         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6437         tls_desc_rel_ field.
6438         (Output_data_plt_i386::rel_tls_desc): New function.
6439         (Target_i386::rel_tls_desc_section): New function.
6440         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6441         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6442         R_386_TLS_DESC reloc in rel_tls_desc_section.
6443         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6444         Define struct Tlsdesc_info.
6445         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6446         (Target_x86_64::do_reloc_symbol_index): New function.
6447         (Target_x86_64::add_tlsdesc_info): New function.
6448         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6449         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6450         tlsdesc_rel_ field.
6451         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6452         all callers.
6453         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6454         (Target_x86_64::rela_tlsdesc_section): New function.
6455         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6456         handling.
6457         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6458         (Target_x86_64::do_reloc_addend): New function.
6459         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6460         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6461         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6462         (Output_reloc::type): New function.
6463         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6464         (Output_reloc::is_target_specific): New function.
6465         (Output_reloc::target_arg): New function.
6466         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6467         absolute relocs and target specific relocs.
6468         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6469         add_target_specific.
6470         (class Output_data_reloc) [SHT_RELA]: Likewise.
6471         * output.cc (Output_reloc::Output_reloc): Add four new versions
6472         for absolute relocs and target specific relocs.
6473         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6474         (Output_reloc::get_symbol_index): Likewise.
6475         (Output_reloc::local_section_offset): Check that local_sym_index_
6476         is not TARGET_CODE or 0.
6477         (Output_reloc::symbol_value): Likewise.
6478         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6479         reloc.
6480         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6481         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6482         functions.
6483         * layout.cc (add_target_dynamic_tags): Use output section for
6484         DT_PLTRELSZ and DT_JMPREL.
6485
6486 2010-01-07  Ian Lance Taylor  <iant@google.com>
6487
6488         PR 11061
6489         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6490         function.
6491         (class Output_data_reloc_generic): Define.
6492         (class Output_data_reloc_base): Change base class to
6493         Output_data_reloc_generic.  Change add() method to call
6494         bump_relative_reloc_count for a relative reloc.  Remove
6495         sort_relocs_ field.
6496         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6497         to sort_relocs().
6498         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6499         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6500         appropriate.
6501         * layout.h (class Layout): Update declaration.
6502
6503 2010-01-07  Ian Lance Taylor  <iant@google.com>
6504
6505         * output.h (class Output_data): Add const version of
6506         output_section and do_output_section.
6507         (class Output_section_data): Add const version of
6508         do_output_section.
6509         (class Output_section): Likewise.
6510         * layout.cc (Layout::add_target_dynamic_tags): New function.
6511         * layout.h (class Layout): Update declarations.
6512         * arm.cc (Target_arm::do_finalize_sections): Use
6513         add_target_dynamic_tags.
6514         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6515         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6516         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6517         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6518
6519 2010-01-07  Ian Lance Taylor  <iant@google.com>
6520
6521         PR 11042
6522         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6523         object as needed.
6524
6525 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6526             Ian Lance Taylor  <iant@google.com>
6527
6528         PR 11019
6529         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6530         Xindex::read_symtab_xindex.
6531
6532 2010-01-07  Doug Kwan  <dougkwan@google.com>
6533
6534         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6535         (Insn_template::thumb16_bcond_insn): New method declaration.
6536         (Insn_template): Fix spelling.
6537         (Stub::thumb16_special): New method declaration.
6538         (Stub::do_write): Define virtual method which was previously pure
6539         virtual.
6540         (Stub::do_thumb16_special): New method declaration.
6541         (Stub::do_fixed_endian_write): New template member.
6542         (Reloc_stub::do_write): Remove.
6543         (Reloc_stub::do_fixed_endian_write): Remove.
6544         (Cortex_a8_stub): New class definition.
6545         (Stub_factory::make_cortex_a8_stub): New method definition.
6546         (Stub_factory::Stub_factory): Add missing static storage class
6547         qualifier for elf32_arm_stub_a8_veneer_blx.
6548
6549 2010-01-07  Ian Lance Taylor  <iant@google.com>
6550
6551         PR 10980
6552         * options.h (class General_options): Add --warn-unresolved-symbols
6553         and --error-unresolved-symbols.
6554         * errors.cc (Errors::undefined_symbol): Implement
6555         --warn-unresolved-symbols.
6556
6557         * options.h (class General_options): Add -z text and -z textoff.
6558         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6559
6560 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6561
6562         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6563         (Garbage_collection::cident_sections): New function.
6564         (Garbage_collection::add_cident_section): New function.
6565         (Garbage_collection::cident_sections_): New member.
6566         (gc_process_relocs): Add references to sections whose names are C
6567         identifiers.
6568         * gold.h (cident_section_start_prefix): New constant.
6569         (cident_section_stop_prefix): New constant.
6570         (is_cident): New function.
6571         * layout.cc (Layout::define_section_symbols): Replace string constants
6572         with the newly defined constants.
6573         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6574         C identifiers.
6575         * testsuite/Makefile.am: Add gc_orphan_section_test.
6576         * testsuite/Makefile.in: Regenerate.
6577         * testsuite/gc_orphan_section_test.cc: New file.
6578         * testsuite/gc_orphan_section_test.sh: New file.
6579
6580 2010-01-06  Ian Lance Taylor  <iant@google.com>
6581
6582         PR 10980
6583         * options.h (class General_options): Add --warn-shared-textrel.
6584         * layout.cc (Layout::finish_dynamic_section): Implement
6585         --warn-shared-textrel.
6586
6587         PR 10980
6588         * options.h (class General_options): Add --warn-multiple-gp.
6589
6590 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6591
6592         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6593         $(THREADSLIB) and $(LIBDL).
6594         * Makefile.in: Rebuild.
6595
6596 2010-01-06  Ian Lance Taylor  <iant@google.com>
6597
6598         PR 10980
6599         * options.cc (General_options::parse_section_start): New function.
6600         (General_options::section_start): New function.
6601         (General_options::General_options): Initialize all members.
6602         * options.h: Include <map>
6603         (class General_options): Add --section-start.  Add section_starts_
6604         member.
6605         * layout.cc (Layout::attach_allocated_section_to_segment): If
6606         --section-start was used, set the address of the segment.  Remove
6607         local sort_sections.
6608         (Layout::relaxation_loop_body): If the address of the load segment
6609         has been set by --section-start, don't use it.
6610         * output.h (Output_segment::update_flags_for_output_section): New
6611         function.
6612         * output.cc (Output_segment::add_output_section): Call
6613         update_flags_for_output_section.
6614
6615 2010-01-05  Ian Lance Taylor  <iant@google.com>
6616
6617         PR 10980
6618         * options.h (class General_options): Add --undefined-version.
6619         * script.cc (struct Version_expression): Add was_matched_by_symbol
6620         field.
6621         (Version_script_info::matched_symbol): New function.
6622         (Version_script_info::get_symbol_version_helper): Call
6623         matched_symbol.
6624         (Version_script_info::check_unmatched_names): New function.
6625         * script.h (class Version_script_info): Update declarations.
6626         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6627
6628         * options.h (class General_options): Use DEFINE_bool_alias for
6629         allow_multiple_definition.
6630         * resolve.cc (Symbol_table::should_override): Don't test
6631         allow_multiple_definition.
6632
6633         PR 10980
6634         * options.h (class General_options): Add --cref.
6635         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6636         until after printing cref table.
6637         * cref.cc: Include "symtab.h".
6638         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6639         (Cref_table_compare::operator()): New function.
6640         (Cref_inputs::gather_cref): New function.
6641         (filecol): New static const.
6642         (Cref_inputs::print_cref): New function.
6643         (Cref::print_cref): New function.
6644         * cref.h: Include <cstdio>.
6645         (class Cref): Update declarations.
6646         * mapfile.h (Mapfile::file): New function.
6647         * object.h (class Object): Define Symbols.  Declare virtual
6648         do_get_global_symbols.
6649         (Object::get_global_symbols): New function.
6650         * object.cc (Input_objects::add_object): Pass object to cref_ if
6651         --cref.
6652         (Input_objects::archive_start): Likewise.
6653         (Input_objects::archive_stop): Likewise.
6654         (Input_objects::print_cref): New function.
6655         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6656         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6657         --cref.
6658         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6659         function.
6660         * plugin.h (class Sized_pluginobj): Update declarations.
6661
6662 2010-01-05  Ian Lance Taylor  <iant@google.com>
6663
6664         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6665         to is_default_version.  Rename insdef to insdefault.
6666         (Symbol_table::add_from_relobj): Rename def to is_default_version
6667         and local to is_forced_local.
6668         (Symbol_table::add_from_pluginobj): Likewise.
6669         (Symbol_table::add_from_dynobj): Likewise.
6670         (Symbol_table::define_special_symbol): Rename insdef to
6671         insdefault.
6672
6673 2010-01-04  Ian Lance Taylor  <iant@google.com>
6674
6675         PR 10980
6676         * options.h (class General_options): Add
6677         --allow-multiple-definition and -z muldefs.
6678         * resolve.cc (Symbol_table::should_override): Don't warn about a
6679         multiple symbol definition if --allow-multiple-definition or -z
6680         muldefs.
6681
6682         PR 10980
6683         * options.h (class General_options): Add --add-needed and
6684         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6685         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6686         error if --copy-dt-needed-entries aka --add-needed is used and
6687         would cause a change in behaviour.
6688
6689         PR 10980
6690         * options.h (class General_options): Add -G as a short version of
6691         --shared.  Add no-op options -assert, -g, and -i.
6692
6693 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6694
6695         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6696         check for .text or .gnu.linkonce.t sections.
6697         * icf.cc (Icf::find_identical_sections): Ditto.
6698         Change the detection for mangled function name within the section
6699         name.
6700         * icf.h (is_section_foldable_candidate): New function.
6701
6702 2009-12-30  Ian Lance Taylor  <iant@google.com>
6703
6704         PR 10980
6705         * options.h (class General_options): Permit two dashes with
6706         --retain-symbols-file.
6707
6708 2009-12-30  Ian Lance Taylor  <iant@google.com>
6709
6710         PR 10979
6711         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6712         don't put the file header and segment headers in the text
6713         segment.
6714
6715         PR 10979
6716         * common.cc (Sort_commons::operator()): Stabilize sort when both
6717         entries are NULL.
6718         (Symbol_table::do_allocate_commons_list): When allocating common
6719         symbols, skip a symbol which is no longer common.
6720         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6721         an object before checking its type.
6722         * testsuite/common_test_2.c: New file.
6723         * testsuite/common_test_3.c: New file.
6724         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6725         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6726         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6727         (common_test_2_pic.o, common_test_2.so): New targets.
6728         (common_test_3_pic.o, common_test_3.so): New targets.
6729         * testsuite/Makefile.in: Rebuild.
6730
6731         PR 10979
6732         * script.cc (read_input_script): If we see a new SECTIONS clause,
6733         and we have added an input section, give an error.
6734         * layout.h (class Layout): Add have_added_input_section function.
6735         Add have_added_input_section_ field.
6736         * layout.cc (Layout::Layout): Initialize
6737         have_added_input_section_.
6738         (Layout::layout): Set have_added_input_section_.
6739         (Layout::layout_eh_frame): Likewise.
6740
6741 2009-12-30  Ian Lance Taylor  <iant@google.com>
6742
6743         PR 10931
6744         * options.h (class General_options): Add --sort-common option.
6745         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6746         * common.cc (Sort_common): Add sort_order parameter to
6747         constructor.  Add sort_order_ field.
6748         (Sort_commons::operator): Check sort_order_.
6749         (Symbol_table::allocate_commons): Determine the sort order.
6750         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6751         Change all callers.
6752         (Symbol_table::do_allocate_commons_list): Likewise.
6753
6754 2009-12-30  Ian Lance Taylor  <iant@google.com>
6755
6756         PR 10916
6757         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6758         symbols from this object, don't change the visibility of an
6759         undefined symbol.
6760         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6761
6762 2009-12-30  Ian Lance Taylor  <iant@google.com>
6763
6764         PR 10861
6765         * script.h (class Version_script_info): Define Language enum.
6766         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6767         new fields globals_, locals_, and is_finalized_.
6768         * script.cc: Various formatting fixes.
6769         (class Parser_closure): Change language_stack_ from a vector of
6770         std::string to one of Version_script_info::Language.  Adjust all
6771         uses accordingly.
6772         (class Lazy_demangler): Remove.
6773         (struct Version_expression): Change language from std::string to
6774         Version_script_info::Language.
6775         (Version_script_info::Version_script_info): New function.
6776         (Version_script_info::~Version_script_info): Don't call clear.
6777         (Version_script_info::finalize): New function.
6778         (Version_script_info::build_lookup_tables): New function.
6779         (Version_script_info::build_expression_list_lookup): New
6780         function.
6781         (Version_script_info::get_symbol_version_helper): Rewrite to use
6782         lookup tables.
6783         (Version_script_info::print_expression_list): Adjust to use
6784         Version_script_info::Language.
6785         (script_push_lex_into_version_mode): Check that the version script
6786         has not been finalized.
6787         (version_script_push_lang): Change language string to
6788         Version_script_info::Language.
6789         * options.cc (Command_line::version_script): New function.
6790         * options.h (class General_options): Add finalize_dynamic_list
6791         function.  Change version_script from declaration to definition.
6792         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6793         * testsuite/version_script.map: Remove duplicate def of foo.
6794         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6795         version_script.map.
6796         * testsuite/Makefile.in: Rebuild.
6797
6798 2009-12-30  Ian Lance Taylor  <iant@google.com>
6799
6800         PR 10843
6801         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6802         if the input symbol index is 0, make the output symbol index 0.
6803
6804 2009-12-30  Ian Lance Taylor  <iant@google.com>
6805
6806         PR 10670
6807         * options.h (class General_options): Add -x/--discard-all.
6808         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6809         --discard-all.  If the local symbol needs a dynamic entry, check
6810         that before handling --discard-locals.
6811
6812 2009-12-30  Ian Lance Taylor  <iant@google.com>
6813
6814         PR 10450
6815         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6816         flags to PF_R.
6817         (Output_segment::add_output_section): Don't change the flags if
6818         the type is PT_TLS.
6819
6820         PR 10450
6821         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6822         GNU hash table if they need a dynamic value.  Otherwise, don't add
6823         them if they are defined in a dynamic object or are forced local.
6824
6825 2009-12-29  Ian Lance Taylor  <iant@google.com>
6826
6827         PR 10450
6828         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6829         .gnu.hash table for a 32-bit target.
6830
6831         PR 10450
6832         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6833         regular and a dynamic object only needs a dynamic symbol table
6834         entry if it is externally visible.
6835
6836         PR 10450
6837         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6838         constructor.  Add global_offset_table_ field.
6839         (Target_i386::got_section): Set global_offset_table_.
6840         (Target_i386::do_finalize_sections): Set global_offset_table_
6841         size.
6842         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6843         in constructor.  Add global_offset_table_ field.
6844         (Target_x86_64::got_section): Set global_offset_table_.
6845         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6846         size.
6847
6848         * layout.cc (Layout::Layout): Initialize increase_relro_.
6849         (Layout::get_output_section): Add is_relro, is_last_relro, and
6850         is_first_non_relro parameters.  Change all callers.
6851         (Layout::choose_output_section): Likewise.
6852         (Layout::add_output_section_data): Likewise.
6853         (Layout::make_output_section): Likewise.
6854         (Layout::set_segment_offsets): Clear increase_relro when using a
6855         linker script.
6856         * layout.h (class Layout): Add increase_relro method.  Add
6857         increase_relro_ field.  Update declarations.
6858         * output.cc (Output_section::Output_section): Initialize
6859         is_last_relro_ and is_first_non_relro_.
6860         (Output_segment::add_output_section): Group relro sections is
6861         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6862         (Output_segment::maximum_alignment): Remove relro handling.
6863         (Output_segment::set_section_addresses): Add increase_relro
6864         parameter.  Change all callers.  Add initial alignment to align
6865         relro sections on separate page.  Remove old relro handling.
6866         (Output_segment::set_section_list_addresses): Remove in_relro
6867         parameter.  Change all callers.
6868         (Output_segment::set_offset): Add increase parameter.  Change all
6869         callers.  Remove old relro handling.
6870         * output.h (class Output_section): Add new methods: is_last_relro,
6871         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6872         Add is_last_relro_ and is_first_non_relro_ fields.
6873         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6874         Create separate .got.plt section.  Call increase_relro.
6875         * x86_64.cc (Target_x86_64::got_section): Likewise.
6876         * testsuite/relro_script_test.t: Add .got.plt.
6877
6878         PR 10450
6879         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6880         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6881         (Layout::finalize): Call set_dynamic_symbol_size.
6882         (Layout::set_dynamic_symbol_size): New function.
6883         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6884         set_dynamic_symbol_size.
6885
6886         PR 10450
6887         * output.h (class Output_section): Add is_entsize_zero_ field.
6888         * output.cc (Output_section::Output_section): Initialize
6889         is_entsize_zero_.
6890         (Output_section::set_entsize): If two different entsizes are
6891         requested, force it to zero.
6892         (Output_section::add_input_section): Set flags for .debug_str
6893         before updating section flags.  Set entsize.
6894         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6895         and SHF_STRING if all input sections have those flags.
6896
6897 2009-12-29   Rafael Espindola  <espindola@google.com>
6898
6899         * main.cc (main): Fix the sys time reporting.
6900         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6901         reporting.
6902
6903 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6904
6905         * options.cc (General_options::parse_version): Allow -v to exit
6906         without an error if there is nothing to link.
6907
6908 2009-12-29  Ian Lance Taylor  <iant@google.com>
6909
6910         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6911         using a version of gcc before 4.1.
6912         * configure: Rebuild.
6913
6914 2009-12-28  Chris Demetriou  <cgd@google.com>
6915
6916         * attributes.cc (Output_attributes_section_data::do_write): Use
6917         std::vector::front rather than std::vector::data.
6918
6919 2009-12-28  Ian Lance Taylor  <iant@google.com>
6920
6921         * symtab.h (class Symbol_table): Add enum Defined.
6922         * resolve.cc (Symbol_table::should_override): Add defined
6923         parameter.  Change all callers.  Test whether object is NULL
6924         before calling a method on it.
6925         (Symbol_table::report_resolve_problem): Add defined parameter.
6926         Change all callers.
6927         (Symbol_table::should_override_with_special): Likewise.
6928         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6929         parameter.  Change all callers.
6930         (Symbol_table::do_define_in_output_data): Likewise.
6931         (Symbol_table::define_in_output_segment): Likewise.
6932         (Symbol_table::do_define_in_output_segment): Likewise.
6933         (Symbol_table::define_as_constant): Likewise.
6934         (Symbol_table::do_define_as_constant): Likewise.
6935         * script.h (class Symbol_assignment): Add is_defsym parameter to
6936         constructor; change all callers.
6937         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6938         parameter.  Change all callers.  Add is_defsym_ field.
6939         (class Parser_closure): Add parsing_defsym parameter to
6940         constructor; change all callers.  Add parsing_defsym accessor
6941         function.  Add parsing_defsym_ field.
6942
6943 2009-12-28  Ian Lance Taylor  <iant@google.com>
6944
6945         * gold.cc (queue_middle_tasks): Fix formatting.
6946         * object.cc (Relobj::is_section_name_included): Likewise.
6947
6948 2009-12-23  Ian Lance Taylor  <iant@google.com>
6949
6950         * i386.cc (Target_i386::do_calls_non_split): Recognize
6951         -fsplit-stack prologue for a function with a static chain.
6952         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6953         -fsplit-stack prologue when using %r11.
6954
6955 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6956
6957         * options.cc (General_options::parse_version): Make -v continue and do
6958         the link like GNU ld does.
6959
6960 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6961
6962         * Makefile.am (CCFILES): Add timer.cc.
6963         (HFILES): Add timer.h.
6964         * configure.ac: Check for sysconf and times.
6965         * main.cc: include timer.h.
6966         (main): Use Timer instead of get_run_time.
6967         * timer.cc: New.
6968         * timer.h: New.
6969         * workqueue.cc: include timer.h.
6970         (Workqueue::find_and_run_task):
6971         Report user, sys and wall time.
6972         * Makefile.in: Regenerate.
6973         * config.in: Regenerate.
6974         * configure: Regenerate.
6975
6976 2009-12-16  Doug Kwan  <dougkwan@google.com>
6977
6978         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6979         sections.
6980         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6981         relaxed input sections.
6982         * output.cc (Output_section::find_relaxed_input_section): Change
6983         return type to Output_relaxed_input_section pointer.  Adjust code
6984         for new type of relaxed_input_section_map_.
6985         * output.h (Output_section::find_relaxed_input_section): Change
6986         return type to Output_relaxed_input_section pointer.
6987         (Output_section::Output_relaxed_input_section_by_input_section_map):
6988         New type.
6989         (Output_section::relaxed_input_section_map_): Change type to
6990         Output_section::Output_relaxed_input_section_by_input_section_map.
6991         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6992         input section.
6993
6994 2009-12-15  Ian Lance Taylor  <iant@google.com>
6995
6996         * layout.cc (Layout::create_shstrtab): Only write out after input
6997         sections if we are compressing debug sections.
6998
6999 2009-12-15  Ian Lance Taylor  <iant@google.com>
7000
7001         * archive.cc (Archive::add_symbols): Only look up a symbol without
7002         a version if there is, in fact, a version.
7003
7004 2009-12-14  Ian Lance Taylor  <iant@google.com>
7005
7006         Revert -Wshadow changes, all changes from:
7007         2009-12-11  Doug Kwan  <dougkwan@google.com>
7008         2009-12-11  Nick Clifton  <nickc@redhat.com>
7009         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7010
7011 2009-12-11  Doug Kwan  <dougkwan@google.com>
7012
7013         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7014         due to -Wshadow.
7015         * attributes.cc (Object_attribute::size): Ditto.
7016         (Attributes_section_data::size): Ditto.
7017         (Attributes_section_data::Attributes_section_data): Ditto.
7018         (Output_attributes_section_data::do_write): Ditto.
7019         * attributes.h (Object_attribute::set_type): Ditto.
7020         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7021
7022 2009-12-11  Nick Clifton  <nickc@redhat.com>
7023
7024         * archive.cc: Fix shadowed variable warnings.
7025         * arm.cc: Likewise.
7026         * compressed_output.cc: Likewise.
7027         * compressed_output.h: Likewise.
7028         * configure: Likewise.
7029         * dwarf_reader.cc: Likewise.
7030         * dynobj.cc: Likewise.
7031         * dynobj.h: Likewise.
7032         * ehframe.cc: Likewise.
7033         * ehframe.h: Likewise.
7034         * errors.cc: Likewise.
7035         * expression.cc: Likewise.
7036         * fileread.cc: Likewise.
7037         * fileread.h: Likewise.
7038         * freebsd.h: Likewise.
7039         * i386.cc: Likewise.
7040         * icf.cc: Likewise.
7041         * incremental.h: Likewise.
7042         * layout.cc: Likewise.
7043         * layout.h: Likewise.
7044         * mapfile.cc: Likewise.
7045         * merge.cc: Likewise.
7046         * merge.h: Likewise.
7047         * object.cc: Likewise.
7048         * object.h: Likewise.
7049         * options.h: Likewise.
7050         * output.cc: Likewise.
7051         * output.h: Likewise.
7052         * parameters.cc: Likewise.
7053         * plugin.cc: Likewise.
7054         * powerpc.cc: Likewise.
7055         * reduced_debug_output.cc: Likewise.
7056         * reduced_debug_output.h: Likewise.
7057         * reloc.cc: Likewise.
7058         * reloc.h: Likewise.
7059         * resolve.cc: Likewise.
7060         * script-sections.cc: Likewise.
7061         * script.cc: Likewise.
7062         * script.h: Likewise.
7063         * sparc.cc: Likewise.
7064         * symtab.cc: Likewise.
7065         * symtab.h: Likewise.
7066         * target-select.cc: Likewise.
7067         * target-select.h: Likewise.
7068         * token.h: Likewise.
7069         * workqueue.cc: Likewise.
7070         * workqueue.h: Likewise.
7071         * x86_64.cc: Likewise.
7072
7073 2009-12-10  Doug Kwan  <dougkwan@google.com>
7074
7075         * arm.cc (attributes.h): New include.
7076         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7077         (Arm_relobj::~Arm_relobj): Delete object pointed by
7078         attributes_section_data_.
7079         (Arm_relobj::attributes_section_data): New method definition.
7080         (Arm_relobj::attributes_section_data_): New data member declaration.
7081         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7082         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7083         attributes_section_data_.
7084         (Arm_dynobj::attributes_section_data): New method definition.
7085         (Arm_dynobj::attributes_section_data_): New data member declaration.
7086         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7087         initialization value of may_use_blx_ to false.
7088         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7089         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7090         object attributes to compute results instead of hard-coding.
7091         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7092         Target_arm::get_secondary_compatible_arch,
7093         Target_arm::set_secondary_compatible_arch
7094         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7095         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7096         New method declarations.
7097         (Target_arm::get_aeabi_object_attribute): New method definition.
7098         (Target_arm::attributes_section_data_): New data member declaration.
7099         (read_arm_attributes_section): New template definition.
7100         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7101         (Arm_dynobj::do_read_symbols): Ditto.
7102         (Target_arm::do_finalize_sections): Merge attributes sections from
7103         input.  Check for BLX use after attributes section merging.
7104         Fix __exidx_start and __exidx_end visibility.  Create an
7105         .ARM.attributes section if necessary.
7106         (Target_arm::get_secondary_compatible_arch,
7107         Target_arm::set_secondary_compatible_arch,
7108         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7109         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7110         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7111         New method definitions.
7112
7113 2009-12-09  Ian Lance Taylor  <iant@google.com>
7114
7115         * plugin.cc (Plugin::load): Don't cast from void* to a function
7116         pointer.
7117
7118 2009-12-09  Ian Lance Taylor  <iant@google.com>
7119
7120         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7121         information fields.
7122
7123 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7124
7125         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7126         Replace two_file_shared_1.so with two_file_shared_2.so.
7127         * testsuite/Makefile.in: Regenerated.
7128
7129 2009-12-08  Doug Kwan  <dougkwan@google.com>
7130
7131         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7132         (HFILES): Add attributes.h and int_encoding.h.
7133         * Makefile.in: Regenerate.
7134         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7135         function definitions to int_encoding.cc
7136         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7137         prototypes to int_encoding.h
7138         * reduced_debug_output.cc (int_encoding.h): New include.
7139         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7140         function definitions to int_encoding.cc
7141         (insert_into_vector, read_from_pointer): Move template definitions to
7142         int_encoding.h
7143         * attributes.cc: New file.
7144         * attributes.h: New file.
7145         * int_encoding.cc: New file.
7146         * int_encoding.h: New file.
7147
7148 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7149
7150         PR gold/11055
7151         * incremental-dump.cc (dump_incremental_inputs): New.
7152         (main): Use dump_incremental_inputs.
7153
7154 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7155
7156         PR gold/10893
7157         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7158         checking elfcpp::STT_FUNC.
7159         (Target_i386::Relocate::relocate): Likewise.
7160         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7161
7162         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7163         symbols from shared libraries into normal FUNC symbols.
7164
7165         * symtab.h (Symbol): Add is_func and use it.
7166
7167 2009-12-05  Doug Kwan  <dougkwan@google.com>
7168
7169         * arm.cc (Target_arm::arm_info): Initialize new fields
7170         attributes_section and attributes_vendor.
7171         * i386.cc (Target_i386::i386_info): Same.
7172         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7173         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7174         fields attributes_section and attributes_vendor.
7175         * sparc.cc (Target_sparc::sparc_info): Same.
7176         * target.h (Target::attributes_section, Target::attributes_vendor,
7177         Target::is_attributes_section, Target::attribute_arg_type,
7178         Target::attributes_order): New method definitions.
7179         (Target::Target_info::attributes_section,
7180         Target::Target_info::attributes_vendor): New fields.
7181         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7182         virtual method definitions.
7183         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7184         attributes_section and attributes_vendor.
7185         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7186
7187 2009-12-05  Doug Kwan  <dougkwan@google.com>
7188
7189         * arm.cc: Update comments about interworking and stub generation.
7190         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7191         considered as non-PIC.
7192         (Arm_relocate_functions::base_abs): Fix formatting.
7193         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7194         of function to use GOT entry address instead of offset.
7195         (Target_arm::Scan::global): Issue an error if a symbol would need a
7196         PLT does not get one because it is untyped.  Remove code to create
7197         dynamic symbols for relative branches.
7198         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7199         takes unsigned integer instead of boolean.
7200
7201 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7202
7203         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7204         (two_file_test_LDADD): Likewise.
7205         (common_test_1_LDADD): Likewise.
7206         (exception_test_LDADD) Likewise.
7207         (weak_test_LDADD): Likewise.
7208         (many_sections_test_LDADD): Likewise.
7209         (initpri1_LDADD): Likewise.
7210         (script_test_1_LDADD): Likewise.
7211         (script_test_2_LDADD): Likewise.
7212         (justsyms_LDADD): Likewise.
7213         (binary_test_LDADD): Likewise.
7214         (large_LDADD): Likewise.
7215         * testsuite/Makefile.in: Regenerated.
7216
7217 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7218
7219         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7220         (Symbol_table::override_with_special): Likewise.
7221         (Symbol_table::add_from_object): Likewise.
7222
7223 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7224
7225         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7226         Don't set the data_offset twice.
7227
7228 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7229
7230         * testsuite/Makefile.in: Regenerate.
7231
7232 2009-12-03  Doug Kwan  <dougkwan@google.com>
7233
7234         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7235         (Target_arm::do_finalize_sections): Add parameter for symbol table
7236         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7237         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7238         parameter for symbol table pointer.
7239         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7240         an additional parameter for a pointer to symbol table.
7241         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7242         parameter for a symbol table pointer.
7243         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7244         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7245         Ditto.
7246         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7247         parameter for a symbol table pointer.
7248
7249 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7250
7251         * incremental.cc (Incremental_inputs_header)
7252         (Incremental_inputs_header_write, Incremental_inputs_entry)
7253         (Incremental_inputs_entry_write): Move ...
7254         * incremental.h (Incremental_inputs_header)
7255         (Incremental_inputs_header_write, Incremental_inputs_entry)
7256         (Incremental_inputs_entry_write): here.
7257
7258 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7259
7260         * incremental.cc (make_sized_incremental_binary): Set the target.
7261         Error if it is incompatible.
7262         * output.h (Output_file): Add filename method.
7263
7264 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7265
7266         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7267         from the get_* methods.
7268
7269 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7270
7271         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7272         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7273         Write 0 for the data_offset of scripts.
7274
7275 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7276
7277         * testsuite/Makefile.am: Add the incremental_test.sh test.
7278         * testsuite/incremental_test.sh: New.
7279         * testsuite/incremental_test_1.c: New.
7280         * testsuite/incremental_test_2.c: New.
7281
7282 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7283
7284        * incremental-dump.cc (main): Fix typos.
7285
7286 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7287
7288         PR gold/11025
7289         * incremental-dump.cc (main): Use llu to print 64 bit values.
7290
7291 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7292             H.J. Lu  <hongjiu.lu@intel.com>
7293
7294         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7295         $(LIBDL).
7296         (incremental_dump_LDADD): Likewise.
7297         * Makefile.in: Regenerated.
7298
7299 2009-11-25  Doug Kwan  <dougkwan@google.com>
7300
7301         Revert:
7302
7303         2009-11-25  Doug Kwan  <dougkwan@google.com>
7304
7305                 * arm.cc (Target_arm::Target_arm): Move method definition
7306                 outside of class definition.  Add code to handle
7307                 --target1-rel, --target1-abs and --target2= options.
7308                 (Target_arm::get_reloc_reloc_type): Change method to be
7309                 non-static and const.
7310                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7311                 New data member declaration.
7312                 (Target_arm::Scan::local, Target_arm::Scan::global,
7313                 Target_arm::Relocate::relocate,
7314                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7315                 Adjust call to Target_arm::get_real_reloc_type.
7316                 (Target_arm::get_real_reloc_type): Use command line options
7317                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7318                 * options.h (--target1-rel, --target1-abs, --target2): New
7319                 ARM-only options.
7320
7321 2009-11-25  Doug Kwan  <dougkwan@google.com>
7322
7323         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7324         class definition.  Add code to handle --target1-rel, --target1-abs
7325         and --target2= options.
7326         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7327         and const.
7328         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7329         member declaration.
7330         (Target_arm::Scan::local, Target_arm::Scan::global,
7331         Target_arm::Relocate::relocate,
7332         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7333         call to Target_arm::get_real_reloc_type.
7334         (Target_arm::get_real_reloc_type): Use command line options to
7335         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7336         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7337         options.
7338
7339 2009-11-25  Doug Kwan  <dougkwan@google.com>
7340
7341         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7342         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7343         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7344         formatting.
7345         (Arm_relocate_functions::thm_call): Replace body with a call to
7346         Arm_relocate_functions::thumb_branch_common.
7347         (Arm_relocate_functions::thm_jump24,
7348         Arm_relocate_functions::thm_xpc22): New method definitions.
7349         (Arm_relocate_functions::thumb_branch_common): New method definition.
7350         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7351         operator.
7352         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7353         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7354
7355 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7356
7357         * Makefile.am: Build incremental-dump
7358         * Makefile.in: Regenerate.
7359         * incremental-dump.cc: New.
7360         * incremental.cc (Incremental_inputs_header_data,
7361         Incremental_inputs_entry_data): Move to incremental.h
7362         * incremental.h: (Incremental_inputs_header_data,
7363         Incremental_inputs_entry_data): Move from incremental.cc
7364
7365 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7366
7367         * incremental.cc (Incremental_inputs_header,
7368         Incremental_inputs_header_write, Incremental_inputs_entry,
7369         Incremental_inputs_entry_write): Add a typedef with the data type.
7370
7371 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7372
7373         * incremental.cc (Incremental_inputs_header,
7374         Incremental_inputs_header_write, Incremental_inputs_entry,
7375         Incremental_inputs_entry_write): Update comment about which
7376         type has the filed descriptions.
7377
7378 2009-11-15  Doug Kwan  <dougkwan@google.com>
7379
7380         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7381         (Arm_relocate_functions::arm_branch_common): Change method defintion
7382         in class definition to a method declaration and update list of formal
7383         parameters.
7384         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7385         Arm_relocation_functions::jump24): Adjust call to
7386         Arm_relocate_functions::arm_branch_common.  Update list of formal
7387         parameters.
7388         (Arm_relocate_functions::xpc25): New method definition.
7389         (Arm_relocate_functions::arm_branch_common): Move method defintion
7390         out from class definition.  Use stubs for mode-switching and extending
7391         branch ranges.
7392         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7393         specially.  Change code to enable use of stubs in ARM branches.
7394
7395 2009-11-10  Doug Kwan  <dougkwan@google.com>
7396
7397         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7398         in method declaration.
7399         (Target_arm::relocate_stub): New method declaration.
7400         (Target_arm::default_target): Change to return a pointer instead of
7401         a const reference.
7402         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7403         Target_arm::default_target.
7404         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7405         method definition.
7406         (Target_arm::relocate_section): Adjust view.
7407         (Target_arm::relocate_stub): New method definition.
7408
7409 2009-11-10  Doug Kwan  <dougkwan@google.com>
7410
7411         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7412         a format warning.
7413         * incremental.cc (open_incremental_binary): Initialized local
7414         variables to avoid warnings.
7415         * object.cc (make_elf_object): Ditto.
7416         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7417         a format warning.
7418
7419 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7420
7421         PR gold/10930
7422         * testsuite/plugin_test.c: Include "config.h".
7423
7424 2009-11-09  Doug Kwan  <dougkwan@google.com>
7425
7426         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7427         (arm_symbol_value): Remove.
7428         (Arm_relocate_functions::arm_branch_common,
7429         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7430         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7431         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7432         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7433         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7434         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7435         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7436         Arm_relocate_functions::thm_mobw_abs_nc,
7437         Arm_relocate_functions::thm_mov_abs,
7438         Arm_relocate_functions::movw_prel_nc,
7439         Arm_relocate_functions::thm_movt_abs,
7440         Arm_relocate_functions::movt_prel,
7441         Arm_relocate_functions::thm_movw_prel_nc,
7442         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7443         (Target_arm::Relocate::relocate): Only decompose address into two
7444         parts if relocation type uses the thumb-bit and pass the actual
7445         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7446         calls to methods in Arm_relocate_functions for this change.
7447
7448 2009-11-08  Ian Lance Taylor  <iant@google.com>
7449
7450         PR 10925
7451         * reloc.cc: Instantiate
7452         Sized_relobj::initialize_input_to_output_maps and
7453         Sized_relobj:free_input_to_output_maps.
7454
7455 2009-11-06  Ian Lance Taylor  <iant@google.com>
7456
7457         PR 10876
7458         * defstd.cc (in_segment): Set only_if_ref true for "end".
7459
7460 2009-11-06  Doug Kwan  <dougkwan@google.com>
7461
7462         * arm.cc (class Reloc_stub): Correct a comment.
7463         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7464         (Target_arm::scan_section_for_stubs): New method declaration.
7465         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7466         Change methods from private to protected.
7467         (Target_arm::do_may_relax): New method definition.
7468         (Target_arm::do_relax, Target_arm::group_sections,
7469         Target_arm::scan_reloc_for_stub,
7470         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7471         (Target_arm::arm_input_section_map_): New data member declaration.
7472         (Target_arm::scan_reloc_for_stub,
7473         Target_arm::scan_reloc_section_for_stubs,
7474         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7475         Target_arm::do_relax): New method definitions.
7476
7477 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7478
7479         * configure.ac: Check for (struct stat)::st_mtim
7480         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7481         * config.in: Regenerate.
7482         * configure: Regenerate.
7483
7484 2009-11-05  Ian Lance Taylor  <iant@google.com>
7485
7486         PR 10910
7487         * output.cc (Output_segment::add_output_section): Add missing
7488         return statement.
7489
7490 2009-11-04  Ian Lance Taylor  <iant@google.com>
7491
7492         PR 10880
7493         * object.h (class Object): Add is_needed and set_is_needed
7494         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7495         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7496         defined in a dynamic object and referenced by a regular object,
7497         set is_needed for the dynamic object.
7498         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7499         if the file is marked with as_needed and it is not needed.
7500
7501 2009-11-04  Ian Lance Taylor  <iant@google.com>
7502
7503         PR 10887
7504         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7505         tags if data is discarded by linker script.
7506         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7507         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7508         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7509         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7510
7511 2009-11-04  Ian Lance Taylor  <iant@google.com>
7512
7513         * layout.cc (Layout::get_output_section): Add is_interp and
7514         is_dynamic_linker_section parameters.  Change all callers.
7515         (Layout::choose_output_section): Likewise.
7516         (Layout::make_output_section): Likewise.
7517         (Layout::add_output_section_data): Add is_dynamic_linker_section
7518         parameter.  Change all callers.
7519         * layout.h (class Layout): Update declarations.
7520         * output.h (class Output_section): Add is_interp, set_is_interp,
7521         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7522         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7523         generate_code_fills_at_write_ to a bitfield.
7524         * output.cc (Output_section::Output_sections): Initialize new
7525         fields.
7526         (Output_segment::add_output_section): Add do_sort parameter.
7527         Change all callers.
7528
7529 2009-11-03  Ian Lance Taylor  <iant@google.com>
7530
7531         PR 10860
7532         * options.h (class General_options): Add --warn-common.
7533         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7534         merging two common symbols.
7535         (Symbol_table::should_override): Handle --warn-common when merging
7536         a common symbol with a defined symbol.  Use report_resolve_problem
7537         for multiple definitions.
7538         (Symbol_table::report_resolve_problem): New function.
7539         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7540
7541 2009-11-03  Doug Kwan  <dougkwan@google.com>
7542
7543         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7544         stub_factory_.
7545         (Target_arm::stub_factory): New method definition.
7546         (Target_arm::new_arm_input_section,
7547         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7548         Target_arm::reloc_uses_thumb_bit): New method declarations.
7549         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7550         New type definitions.
7551         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7552         member declarations.
7553         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7554         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7555         New method definitions.
7556
7557 2009-11-03  Ian Lance Taylor  <iant@google.com>
7558
7559         * options.h (class General_options): Add --warn_constructors.
7560
7561 2009-11-03  Ian Lance Taylor  <iant@google.com>
7562
7563         PR 10893
7564         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7565         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7566
7567 2009-11-03  Ian Lance Taylor  <iant@google.com>
7568
7569         PR 10895
7570         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7571         --msgid-bugs-address.
7572         (install-pdf): New target.
7573         (install-data_yes): Look up one directory to find mkinstalldirs.
7574
7575 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7576
7577         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7578         tree.
7579
7580 2009-10-30  Doug Kwan  <dougkwan@google.com>
7581
7582         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7583
7584 2009-10-30  Doug Kwan  <dougkwan@google.com>
7585
7586         * arm.cc (Stub_addend_reader): New struct template definition
7587         and partial specializations.
7588         (Stub_addend_reader::operator()): New method definition for a
7589         partially specialized template.
7590
7591 2009-10-30  Doug Kwan  <dougkwan@google.com>
7592
7593         * arm.cc (Arm_relobj::processor_specific_flags): New method
7594         definition.
7595         (Arm_relobj::do_read_symbols): New method declaration.
7596         (Arm_relobj::processor_specific_flags_): New data member declaration.
7597         (Arm_dynobj): New class definition.
7598         (Target_arm::do_finalize_sections): Add input_objects parameter.
7599         (Target_arm::do_adjust_elf_header): New method declaration.
7600         (Target_arm::are_eabi_versions_compatible,
7601         (Target_arm::merge_processor_specific_flags): New method declaration.
7602         (Target_arm::do_make_elf_object): New overloaded method definitions
7603         and declaration.
7604         (Arm_relobj::do_read_symbols): New method definition.
7605         (Arm_dynobj::do_read_symbols): Ditto.
7606         (Target_arm::do_finalize_sections): Add input_objects parameters.
7607         Merge processor-specific flags from all input objects.
7608         (Target_arm::are_eabi_versions_compatible,
7609         Target_arm::merge_processor_specific_flags,
7610         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7611         New method definitions.
7612         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7613         Input_objects pointer type parameter.
7614         * layout.cc (Layout::finalize): Pass input objects to target's.
7615         finalize_sections function.
7616         * output.cc (Output_file_header::do_sized_write): Set ELF file
7617         header's processor-specific flags.
7618         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7619         Input_objects pointer type parameter.
7620         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7621         * target.h (Input_objects): New forward class declaration.
7622         (Target::processor_specific_flags,
7623         Target::are_processor_specific_flags_sect): New method definitions.
7624         (Target::finalize_sections): Add input_objects parameter.
7625         (Target::Target): Initialize processor_specific_flags_ and
7626         are_processor_specific_flags_set_.
7627         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7628         parameter.
7629         (Target::set_processor_specific_flags): New method definition.
7630         (Target::processor_specific_flags_,
7631         Target::are_processor_specific_flags_set_): New data member
7632         declarations.
7633         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7634         Input_objects pointer type parameter.
7635
7636 2009-10-30  Doug Kwan  <dougkwan@google.com>
7637
7638         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7639
7640 2009-10-28  Ian Lance Taylor  <iant@google.com>
7641
7642         * object.h (class Relobj): Drop options parameter from
7643         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7644         do_scan_relocs, do_relocate.  Change all callers.
7645         (class Sized_relobj): Drop options parameters from
7646         do_gc_process_relocs, do_scan_relocs, do_relocate,
7647         do_relocate_sections, relocate_sections, emit_relocs_scan,
7648         emit_relocs_scan_reltype.  Change all callers.
7649         (struct Relocate_info): Remove options field and all references to
7650         it.
7651         * reloc.h (class Read_relocs): Remove options constructor
7652         parameter and options_ field.  Change all callers.
7653         (class Gc_process_relocs, class Scan_relocs): Likewise.
7654         (class Relocate_task): Likewise.
7655         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7656         all callers.
7657         (scan_relocatable_relocs): Likewise.
7658         * target.h (class Sized_target): Remove options parameter from
7659         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7660         all callers.
7661         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7662         callers.
7663         * arm.cc: Update functions to remove options parameters.
7664         * i386.cc: Likewise.
7665         * powerpc.cc: Likewise.
7666         * sparc.cc: Likewise.
7667         * x86_64.cc: Likewise.
7668         * testsuite/testfile.cc: Likewise.
7669
7670 2009-10-28  Doug Kwan  <dougkwan@google.com>
7671
7672         * arm.cc (Arm_relobj): New class definition.
7673         (Arm_relobj::scan_sections_for_stubs,
7674         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7675         New method definitions.
7676
7677 2009-10-28  Cary Coutant  <ccoutant@google.com>
7678
7679         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7680         (Plugin::cleanup_done_): New member.
7681         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7682         (Plugin_manager::cleanup_done_): Remove.
7683         (Plugin_manager::add_input_file): Edit error message.
7684         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7685         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7686
7687 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7688
7689         * fileread.cc: (File_read::View::~View): Use the new
7690         data_ownership_ filed.
7691         (File_read::~File_read): Dispose the new whole_file_view_.
7692         (File_read::open): Mmap the whole file if needed.
7693         (File_read::open): Use whole_file_view_ instead of contents_.
7694         (File_read::find_view): Use whole_file_view_ if applicable.
7695         (File_read::do_read): Use whole_file_view_ instead of contents_.
7696         (File_read::make_view): Use whole_file_view_ instead of contents_,
7697         update File_read::View::View call.
7698         (File_read::find_or_make_view): Update File_read::View::View
7699         call.
7700         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7701         remove contents_
7702         (File_read::View::Data_ownership): New enum.
7703         (File_read::View::View): Replace bool mapped_ with Data_ownership
7704         argument.
7705         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7706         (File_read::View::data_ownership_): New field.
7707         (File_read::contents_): Remove (replaced by whole_file_view_).
7708         (File_read::whole_file_view_): New field.
7709         * options.h (class General_options): Add --keep-files-mapped.
7710
7711 2009-10-27  Cary Coutant  <ccoutant@google.com>
7712
7713         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7714         * testsuite/Makefile.am (plugin_test_5): New test case.
7715         * testsuite/Makefile.in: Regenerate.
7716
7717 2009-10-25  Doug Kwan  <dougkwan@google.com>
7718
7719         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7720         from private to protected to allow access by child class.
7721         (Sized_relobj::do_relocate_sections): New method declaration.
7722         (Sized_relobj::relocate_sections): Virtualize.
7723         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7724         Sized_relobj::relocate_sections.  Instantiate template explicitly
7725         for different target sizes and endianity.
7726
7727 2009-10-24  Doug Kwan  <dougkwan@google.com>
7728
7729         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7730         (Arm_input_section::as_arm_input_section): New method.
7731         (Arm_output_section): New class definition.
7732         (Arm_output_section::create_stub_group,
7733         Arm_output_section::group_sections): New method definitions.
7734
7735 2009-10-22  Doug Kwan  <dougkwan@google.com>
7736
7737         * arm.cc (Arm_input_section): New class definition.
7738         (Arm_input_section::init, Arm_input_section:do_write,
7739         Arm_input_section::set_final_data_size,
7740         Arm_input_section::do_reset_address_and_file_offset): New method
7741         definitions.
7742
7743 2009-10-21  Doug Kwan  <dougkwan@google.com>
7744
7745         * arm.cc (Stub_table, Arm_input_section): New forward class
7746         declarations.
7747         (Stub_table): New class defintion.
7748         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7749         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7750         New method definition.
7751
7752 2009-10-21  Doug Kwan  <dougkwan@google.com>
7753
7754         * arm.cc: Update copyright comments.
7755         (Target_arm): New forward class template declaration.
7756         (Arm_address): New type.
7757         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7758         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7759         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7760         constants.
7761         (Insn_template): Same.
7762         (DEF_STUBS): New macro.
7763         (Stub_type): New enum type.
7764         (Stub_template): New class definition.
7765         (Stub): Same.
7766         (Reloc_stub): Same.
7767         (Stub_factory): Same.
7768         (Target_arm::Target_arm): Initialize may_use_blx_ and
7769         should_force_pic_veneer_.
7770         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7771         Target_arm::should_force_pic_veneer,
7772         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7773         Target_arm::using_thumb_only, Target_arm:;default_target): New
7774         method defintions.
7775         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7776         New data member declarations.
7777         (Insn_template::size, Insn_template::alignment): New method defintions.
7778         (Stub_template::Stub_template): New method definition.
7779         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7780         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7781         (Stub_factory::Stub_factory): New method definition.
7782         * gold.h (string_hash): New template.
7783         * output.h (Input_section_specifier::hash_value): Use
7784         gold::string_hash.
7785         (Input_section_specifier::string_hash): Remove.
7786         * stringpool.cc (Stringpool_template::string_hash): Use
7787         gold::string_hash.
7788
7789 2009-10-20  Doug Kwan  <dougkwan@google.com>
7790
7791         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7792         symbols of relaxed input sections.
7793         * output.h (Output_section::find_relaxed_input_section): Make
7794         method public.
7795
7796 2009-10-16  Doug Kwan  <dougkwan@google.com>
7797
7798         * dynobj.cc (Versions::Versions): Initialize version_script_.
7799         Only insert base version symbol definition for a shared object
7800         if version script defines any version versions.
7801         (Versions::define_base_version): New method definition.
7802         (Versions::add_def): Check that base version is not needed.
7803         (Versions::add_need): Define base version lazily.
7804         * dynobj.h (Versions::define_base_version): New method declaration.
7805         (Versions::needs_base_version_): New data member declaration.
7806         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7807         (check_DATA): Add no_version_test.stdout.
7808         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7809         New make rules.
7810         * testsuite/Makefile.in: Regenerate.
7811         * testsuite/no_version_test.c: New file.
7812         * testsuite/no_version_test.sh: Ditto.
7813
7814 2009-10-16  Doug Kwan  <dougkwan@google.com>
7815
7816         * expression.cc (class Segment_start_expression): New class definition.
7817         (Segment_start_expression::value): New method definition.
7818         (script_exp_function_segment_start): Return a new
7819         Segment_start_expression.
7820         * gold/script-c.h (script_saw_segment_start_expression): New function
7821         prototype.
7822         * script-sections.cc (Script_sections::Script_sections): Initialize
7823         SAW_SEGMENT_START_EXPRESSION_ to false.
7824         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7825         and -Tbbs options to specify section addresses if given in
7826         command line and no SEGMENT_START expression is seen in a script.
7827         * script-sections.h (Script_sections::saw_segment_start_expression,
7828         Script_sections::set_saw_segment_start_expression): New method
7829         definition.
7830         (Script_sections::saw_segment_start_expression_): New data member
7831         declaration.
7832         * script.cc (script_saw_segment_start_expression): New function.
7833         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7834         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7835         script_test_7.sh and script_test_8.sh.
7836         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7837         script_test_8.stdout.
7838         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7839         (script_test_6, script_test_6.stdout, script_test_7,
7840         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7841         * Makefile.in: Regenerate.
7842         * testsuite/script_test_6.sh: New file.
7843         * testsuite/script_test_6.t: Same.
7844         * testsuite/script_test_7.sh: Same.
7845         * testsuite/script_test_7.t: Same.
7846         * testsuite/script_test_8.sh: Same.
7847
7848 2009-10-16  Doug Kwan  <dougkwan@google.com>
7849
7850         * output.cc (Output_segment::set_section_list_address): Cast
7851         expressions to unsigned long long type to avoid format warnings.
7852
7853 2009-10-15  Ian Lance Taylor  <iant@google.com>
7854
7855         * script.cc (Script_options::add_symbol_assignment): Always add a
7856         dot assignment to script_sections_.
7857         * script-sections.cc (Script_sections::add_dot_assignment):
7858         Initialize if necessary.
7859
7860         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7861         program headers with no load segment if there is a linker script.
7862
7863         * layout.cc (Layout::set_segment_offsets): Align the file offset
7864         to the segment aligment for -N or -n with no load segment.
7865         * output.cc (Output_segment::add_output_section): Don't crash if
7866         the first section is a TLS section.
7867         (Output_segment::set_section_list_addresses): Print an error
7868         message if the address moves backward in a linker script.
7869         * script-sections.cc
7870         (Output_section_element_input::set_section_addresses): Don't
7871         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7872         (Orphan_output_section::set_section_addresses): Likewise.
7873
7874 2009-10-15  Doug Kwan  <dougkwan@google.com>
7875
7876         * layout.cc (Layout::finish_dynamic_section): Generate tags
7877         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7878         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7879         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7880
7881 2009-10-14  Ian Lance Taylor  <iant@google.com>
7882
7883         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7884         fields.
7885         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7886         data_shdr fields of relinfo.
7887         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7888         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7889         R_386_TLS_LDO_32, adjust based on section flags.
7890         (Target_i386::Relocate::fix_up_ldo): Remove.
7891
7892 2009-10-13  Ian Lance Taylor  <iant@google.com>
7893
7894         Add support for -pie.
7895         * options.h (class General_options): Add -pie and
7896         --pic-executable.
7897         (General_options::output_is_position_independent): Test -pie.
7898         (General_options::output_is_executable): Return true if not shared
7899         and not relocatable.
7900         (General_options::output_is_pie): Remove.
7901         * options.cc (General_options::finalize): Reject incompatible uses
7902         of -pie.
7903         * gold.cc (queue_middle_tasks): A -pie link is not static.
7904         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7905         * symtab.cc (Symbol::final_value_is_known): Return false if
7906         output_is_position_independent.
7907         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7908         output_is_position_independent.
7909         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7910         output_is_position_independent.
7911         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7912         output_is_position_independent.
7913         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7914         two_file_pie_test.
7915         (basic_pie_test.o, basic_pie_test): New targets.
7916         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7917         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7918         (two_file_pie_test): New target.
7919         * testsuite/Makefile.in: Rebuild.
7920         * README: Remove note saying that -pie is not supported.
7921
7922 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7923
7924         * options.h (class General_options): Add -init and -fini.
7925         * layout.cc (Layout::finish_dynamic_section): Emit
7926         given init and fini functions.
7927
7928 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7929
7930         * gc.h (gc_process_relocs): Check if icf is enabled using new
7931         function.
7932         * gold.cc (queue_initial_tasks): Likewise.
7933         (queue_middle_tasks): Likewise.
7934         * object.cc (do_layout): Likewise.
7935         * symtab.cc (is_section_folded): Likewise.
7936         * main.cc (main): Likewise.
7937         * reloc.cc (Read_relocs::run): Likewise.
7938         (Sized_relobj::do_scan_relocs): Likewise.
7939         * icf.cc (is_function_ctor_or_dtor): New function.
7940         (Icf::find_identical_sections): Check if function is ctor or dtor when
7941         safe icf is chosen.
7942         * options.h (General_options::icf): Change option to be an enum.
7943         (Icf_status): New enum.
7944         (icf_enabled): New method.
7945         (icf_safe_folding): New method.
7946         (set_icf_status): New method.
7947         (icf_status_): New variable.
7948         * (options.cc) (General_options::finalize): Set icf_status_.
7949         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7950         icf_test and icf_keep_unique_test to use the --icf enum flag.
7951         * testsuite/icf_safe_test.sh: New file.
7952         * testsuite/icf_safe_test.cc: New file.
7953
7954 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7955
7956         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7957         includes to gc.h and icf.h.
7958         * arm.cc: Include gc.h.
7959         * gold.cc: Likewise.
7960         * i386.cc: Likewise.
7961         * powerpc.cc: Likewise.
7962         * sparc.cc: Likewise.
7963         * x86_64.cc: Likewise.
7964         * gc.h: Include icf.h.
7965
7966 2009-10-11  Ian Lance Taylor  <iant@google.com>
7967
7968         * plugin.cc: Include "gold.h" before other header files.
7969
7970 2009-10-10  Chris Demetriou  <cgd@google.com>
7971
7972         * options.h (Input_file_argument::Input_file_type): New enum.
7973         (Input_file_argument::is_lib_): Replace with...
7974         (Input_file_argument::type_): New member.
7975         (Input_file_argument::Input_file_argument): Take Input_file_type
7976         'type' rather than boolean 'is_lib' as second argument.
7977         (Input_file_argument::is_lib): Use type_.
7978         (Input_file_argument::is_searched_file): New function.
7979         (Input_file_argument::may_need_search): Handle is_searched_file.
7980         * options.cc (General_options::parse_library): Support -l:filename.
7981         (General_options::parse_just_symbols): Update for Input_file_argument
7982         changes.
7983         (Command_line::process): Likewise.
7984         * archive.cc (Archive::get_file_and_offset): Likewise.
7985         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7986         * script.cc (read_script_file, script_add_file): Likewise.
7987         * fileread.cc (Input_file::Input_file): Likewise.
7988         (Input_file::will_search_for): Handle is_searched_file.
7989         (Input_file::open): Likewise.
7990         * readsyms.cc (Read_symbols::get_name): Likewise.
7991         * testsuite/Makefile.am (searched_file_test): New test.
7992         * testsuite/Makefile.in: Regenerate.
7993         * testsuite/searched_file_test.cc: New file.
7994         * testsuite/searched_file_test_lib.cc: New file.
7995
7996 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7997             Ian Lance Taylor  <iant@google.com>
7998
7999         * descriptor.cc: Include <cstdio> and "binary-io.h".
8000         (Descriptors::open): Open the files in binary mode always.
8001         * script.cc (Lex::get_token): Treat \r as whitespace.
8002
8003 2009-10-09  Ian Lance Taylor  <iant@google.com>
8004
8005         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8006
8007 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8008             Ian Lance Taylor  <iant@google.com>
8009
8010         * configure.ac: Check for readv function also.
8011         * fileread.cc (readv): Define if not HAVE_READV.
8012         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8013         does not exist.
8014         * config.in: Regenerate.
8015         * configure: Regenerate.
8016
8017 2009-10-09  Doug Kwan  <dougkwan@google.com>
8018
8019         * layout.cc (Layout::make_output_section): Call target hook to make
8020         ordinary output section.
8021         (Layout::finalize): Adjust parameter list of call the
8022         Target::may_relax().
8023         * layout.h (class Layout::section_list): New method.
8024         * merge.h (Output_merge_base::entsize): Change visibility to public.
8025         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8026         New methods.
8027         (Output_merge_string::do_is_string): New method.
8028         * object.cc (Sized_relobj::do_setup): renamed from
8029         Sized_relobj::set_up.
8030         * object.h (Sized_relobj::adjust_shndx,
8031         Sized_relobj::initializ_input_to_output_maps,
8032         Sized_relobj::free_input_to_output_maps): Change visibilities to
8033         protected.
8034         (Sized_relobj::setup): Virtualize.
8035         (Sized_relobj::do_setup): New method declaration.
8036         (Sized_relobj::invalidate_section_offset,
8037         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8038         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8039         * options.cc (parse_int): New function.
8040         * options.h (parse_int): New declaration.
8041         (DEFINE_int): New macro.
8042         (stub_group_size): New option.
8043         * output.cc (Output_section::Output_section): Initialize memebers
8044         merge_section_map_, merge_section_by_properties_map_,
8045         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8046         (Output_section::add_input_section): Handled deferred code-fill
8047         generation and remove an old comment.
8048         (Output_section::add_relaxed_input_section): New method definition.
8049         (Output_section::add_merge_input_section): Use merge section by
8050         properties map to speed to search.  Update merge section maps
8051         as appropriate.
8052         (Output_section::build_relaxation_map): New method definition.
8053         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8054         Same.
8055         (Output_section::relax_input_section): Renamed to
8056         Output_section::convert_input_sections_to_relaxed_sections and change
8057         interface to take a vector of pointers to relaxed sections.
8058         (Output_section::find_merge_section,
8059         Output_section::find_relaxed_input_section): New method definitions.
8060         (Output_section::is_input_address_mapped,
8061         Output_section::output_offset, Output_section::output_address):
8062         Use output section data maps to speed up searching.
8063         (Output_section::find_starting_output_address): Add comments.
8064         (Output_section::do_write,
8065         Output_section::write_to_postprocessing_buffer): Do code-fill
8066         generation as appropriate.
8067         (Output_section::get_input_sections): Invalidate relaxed input section
8068         map.
8069         (Output_section::restore_states): Adjust type of checkpoint .
8070         Invalidate relaxed input section map.
8071         * output.h (Output_merge_base): New class declaration.
8072         (Input_section_specifier): New class defintion.
8073         (class Output_relaxed_input_section) Change base class to
8074         Output_section_data_build.
8075         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8076         base class initializer.
8077         (Output_section::add_relaxed_input_section): New method declaration.
8078         (Output_section::Input_section): Change visibility to protected.
8079         (Output_section::Input_section::relobj,
8080         Output_section::Input_section::shndx): Handle relaxed input sections.
8081         Output_section::input_sections) Change visibility to protected.  Also
8082         define overload to return a non-const pointer.
8083         (Output_section::Merge_section_properties): New class defintion.
8084         (Output_section::Merge_section_by_properties_map,
8085         Output_section::Output_section_data_by_input_section_map,
8086         Output_section::Relaxation_map): New types.
8087         (Output_section::relax_input_section): Rename method to
8088         Output_section::convert_input_sections_to_relaxed_sections and change
8089         interface to take a vector of relaxed section pointers.
8090         (Output_section::find_merge_section,
8091         Output_section::find_relaxed_input_section,
8092         Output_section::build_relaxation_map,
8093         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8094         New method declarations.
8095         (Output_section::merge_section_map_
8096         Output_section::merge_section_by_properties_map_,
8097         Output_section::relaxed_input_section_map_,
8098         Output_section::is_relaxed_input_section_map_valid_,
8099         Output_section::generate_code_fills_at_write_): New data members.
8100         * script-sections.cc
8101         (Output_section_element_input::set_section_addresses): Call
8102         current_data_size and addralign methods of relaxed input sections.
8103         (Orphan_output_section::set_section_addresses): Call current_data_size
8104         and addralign methods of relaxed input sections.
8105         * symtab.cc (Symbol_table::compute_final_value): Extract template
8106         from the body of Symbol_table::sized_finalize_symbol.
8107         (Symbol_table::sized_finalized_symbol): Call
8108         Symbol_table::compute_final_value.
8109         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8110         (Symbol_table::compute_final_value): New templated method declaration.
8111         * target.cc (Target::do_make_output_section): New method defintion.
8112         * target.h (Target::make_output_section): New method declaration.
8113         (Target::relax): Add more parameters for input objects, symbol table
8114         and layout.  Adjust call to do_relax.
8115         (Target::do_make_output_section): New method declaration.
8116         (Target::do_relax): Add parameters for input objects, symbol table
8117         and layout.
8118
8119 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8120
8121         * pread.c: Include stdio.h.
8122
8123 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8124
8125         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8126         defined.
8127
8128 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8129
8130         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8131         Change read_shndx type to unsigned int.
8132         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8133         int.
8134         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8135         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8136         Change read_shndx type to unsigned int.
8137         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8138         int.
8139         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8140         * layout.cc (Layout::create_symtab_sections): Cast the result of
8141         local_symcount * symsize to off_t in the gold_assert.
8142
8143 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8144
8145         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8146         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8147         R_ARM_BASE_ABS.
8148         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8149         (Arm_relocate_functions::thm_abs5): New function.
8150         (Arm_relocate_functions::abs12): New function.
8151         (Arm_relocate_functions::abs16): New function.
8152         (Arm_relocate_functions::base_abs): New function.
8153         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8154         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8155         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8156         R_ARM_BASE_ABS.
8157         (Scan::global): Likewise.
8158         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8159         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8160         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8161         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8162         R_ARM_BASE_ABS.
8163
8164 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8165
8166         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8167         (Arm_relocate_functions::movt_prel): New function.
8168         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8169         (Arm_relocate_functions::thm_movt_prel): New function.
8170         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8171         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8172         (Scan::global, Relocate::relocate): Likewise.
8173         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8174
8175 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8176
8177         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8178         Incremental_checker.
8179         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8180         unsigned int.
8181         (class Incremental_inputs_header): New class.
8182         (Incremental_inputs_header_writer): Edit comment.
8183         (Incremental_inputs_entry): New class.
8184         (Incremental_inputs_entry_writer): Edit comment.
8185         (Sized_incremental_binary::do_find_incremental_inputs_section):
8186         Add *strtab_shndx parameter, fill it.
8187         (Sized_incremental_binary::do_check_inputs): New method.
8188         (Incremental_checker::can_incrementally_link_output_file): Use
8189         Sized_incremental_binary::check_inputs.
8190         (Incremental_inputs::report_command_line): Save command line in
8191         command_line_.
8192         * incremental.h:
8193         (Incremental_binary::find_incremental_inputs_section): New
8194         method.
8195         (Incremental_binary::do_find_incremental_inputs_section): Add
8196         strtab_shndx parameter.
8197         (Incremental_binary::do_check_inputs): New pure virtual method.
8198         (Sized_incremental_binary::do_check_inputs): Declare.
8199         (Incremental_checker::Incremental_checker): Add incremental_inputs
8200         parameter, use it to initialize incremental_inputs_.
8201         (Incremental_checker::incremental_inputs_): New field.
8202         (Incremental_checker::command_line): New method.
8203         (Incremental_checker::inputs): New method.
8204         (Incremental_checker::command_line_): New field.
8205
8206 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8207
8208         * incremental.cc: Include <cstdarg> and "target-select.h".
8209         (vexplain_no_incremental): New function.
8210         (explain_no_incremental): New function.
8211         (Incremental_binary::error): New method.
8212         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8213         method.
8214         (make_sized_incremental_binary): New function.
8215         (open_incremental_binary): New function.
8216         (can_incrementally_link_file): Add checks if output is ELF and has
8217         inputs section.
8218         * incremental.h: Include "elfcpp_file.h" and "output.h".
8219         (Incremental_binary): New class.
8220         (Sized_incremental_binary): New class.
8221         (open_incremental_binary): Declare.
8222         * object.cc (is_elf_object): Use
8223         elfcpp::Elf_recognizer::is_elf_file.
8224         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8225         * output.h (Output_file::filesize): New method.
8226
8227 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8228
8229         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8230         New function.
8231         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8232         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8233         function.
8234         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8235         function.
8236         (Arm_relocate_functions::movw_abs_nc): New function.
8237         (Arm_relocate_functions::movt_abs): New function.
8238         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8239         (Arm_relocate_functions::thm_movt_abs): New function.
8240         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8241         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8242         (Scan::global): Likewise.
8243         (Relocate::relocate): Likewise.
8244         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8245
8246 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8247
8248         * arm.cc (Arm_relocate_functions::got_prel) New function.
8249         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8250         (Relocate::relocate): Likewise.
8251         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8252
8253 2009-10-06  Ian Lance Taylor  <iant@google.com>
8254
8255         * options.h (class General_options): Define
8256         split_stack_adjust_size parameter.
8257         * object.h (class Object): Add uses_split_stack_ and
8258         has_no_split_stack_ fields.  Add uses_split_stack and
8259         has_no_split_stack accessor functions.  Declare
8260         handle_split_stack_section.
8261         (class Reloc_symbol_changes): Define.
8262         (class Sized_relobj): Define Function_offsets.  Declare
8263         split_stack_adjust, split_stack_adjust_reltype, and
8264         find_functions.
8265         * object.cc (Object::handle_split_stack_section): New function.
8266         (Sized_relobj::do_layout): Call handle_split_stack_section.
8267         * dynobj.cc (Sized_dynobj::do_layout): Call
8268         handle_split_stack_section.
8269         * reloc.cc (Sized_relobj::relocate_sections): Call
8270         split_stack_adjust for executable sections in split_stack
8271         objects.  Pass reloc_map to relocate_section.
8272         (Sized_relobj::split_stack_adjust): New function.
8273         (Sized_relobj::split_stack_adjust_reltype): New function.
8274         (Sized_relobj::find_functions): New function.
8275         * target-reloc.h: Include "object.h".
8276         (relocate_section): Add reloc_symbol_changes parameter.  Change
8277         all callers.
8278         * target.h (class Target): Add calls_non_split method.  Declare
8279         do_calls_non_split virtual method.  Declare match_view and
8280         set_view_to_nop.
8281         * target.cc: Include "elfcpp.h".
8282         (Target::do_calls_non_split): New function.
8283         (Target::match_view): New function.
8284         (Target::set_view_to_nop): New function.
8285         * gold.cc (queue_middle_tasks): Give an error if mixing
8286         split-stack and non-split-stack objects with -r.
8287         * i386.cc (Target_i386::relocate_section): Add
8288         reloc_symbol_changes parameter.
8289         (Target_i386::do_calls_non_split): New function.
8290         * x86_64.cc (Target_x86_64::relocate_section): Add
8291         reloc_symbol_changes parameter.
8292         (Target_x86_64::do_calls_non_split): New function.
8293         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8294         parameter.
8295         * powerpc.cc (Target_powerpc::relocate_section): Add
8296         reloc_symbol_changes parameter.
8297         * sparc.cc (Target_sparc::relocate_section): Add
8298         reloc_symbol_changes parameter.
8299         * configure.ac: Call AM_CONDITIONAL for the default target.
8300         * configure: Rebuild.
8301         * testsuite/Makefile.am (TEST_AS): New variable.
8302         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8303         (check_DATA): Add split_i386 and split_x86_64 files.
8304         (SPLIT_DEFSYMS): Define.
8305         (split_i386_[1234n].o): New targets.
8306         (split_i386_[124]): New targets.
8307         (split_i386_[1234r].stdout): New targets.
8308         (split_x86_64_[1234n].o): New targets.
8309         (split_x86_64_[124]): New targets.
8310         (split_x86_64_[1234r].stdout): New targets.
8311         (MOSTLYCLEANFILES): Add new executables.
8312         * testsuite/split_i386.sh: New file.
8313         * testsuite/split_x86_64.sh: New file.
8314         * testsuite/split_i386_1.s: New file.
8315         * testsuite/split_i386_2.s: New file.
8316         * testsuite/split_i386_3.s: New file.
8317         * testsuite/split_i386_4.s: New file.
8318         * testsuite/split_i386_n.s: New file.
8319         * testsuite/split_x86_64_1.s: New file.
8320         * testsuite/split_x86_64_2.s: New file.
8321         * testsuite/split_x86_64_3.s: New file.
8322         * testsuite/split_x86_64_4.s: New file.
8323         * testsuite/split_x86_64_n.s: New file.
8324         * testsuite/testfile.cc (Target_test): Update relocation_section
8325         function.
8326         * testsuite/Makefile.in: Rebuild.
8327
8328 2009-10-06  Ian Lance Taylor  <iant@google.com>
8329
8330         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8331         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8332         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8333         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8334         the address on ldo_addrs_.
8335         (Target_i386::Relocate::fix_up_ldo): New function.
8336
8337 2009-10-06   Rafael Espindola  <espindola@google.com>
8338
8339         * plugin.cc (add_input_library): New.
8340         (Plugin::load): Add add_input_library to tv.
8341         (Plugin_manager::add_input_file): Add the is_lib argument.
8342         (add_input_file): Update call to Plugin_manager::add_input_file.
8343         (add_input_library): New.
8344         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8345
8346 2009-09-30  Doug Kwan  <dougkwan@google.com>
8347
8348         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8349         symbol and call Symbol::may_need_copy_reloc to determine if
8350         a copy reloc is needed.
8351         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8352         nocopyreloc is given in command line.
8353         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8354         given in command line.
8355         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8356         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8357         of the removed Target_i386::may_need_copy_reloc.
8358         * options.h (copyreloc): New option with default value false.
8359         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8360         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8361         instead of the removed Target_powerpc::may_need_copy_reloc.
8362         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8363         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8364         instead of the removed Target_sparc::may_need_copy_reloc.
8365         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8366         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8367         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8368         instead of the removed Target_x86_64::may_need_copy_reloc.
8369
8370 2009-09-30  Ian Lance Taylor  <iant@google.com>
8371
8372         * object.h (class Object): Remove target_ field, and target,
8373         sized_target, and set_target methods.
8374         (Object::sized_target): Remove.
8375         (class Sized_relobj): Update declarations.  Remove sized_target.
8376         * object.cc (Sized_relobj::setup): Remove target parameter.
8377         Change all callers.
8378         (Input_objects::add_object): Don't do anything with the target.
8379         (make_elf_sized_object): Add punconfigured parameter.  Change all
8380         callers.  Set or test parameter target.
8381         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8382         Change all callers.
8383         * parameters.cc (Parameters::set_target): Change parameter type to
8384         be non-const.
8385         (Parameters::default_target): Remove.
8386         (set_parameters_target): Change parameter type to be non-const.
8387         (parameters_force_valid_target): New function.
8388         (parameters_clear_target): New function.
8389         * parameters.h (class Parameters): Update declarations.  Remove
8390         default_target method.  Add sized_target and clear_target
8391         methods.  Change target_ to be non-const.
8392         (set_parameters_target): Update declaration.
8393         (parameters_force_valid_target): Declare.
8394         (parameters_clear_target): Declare.
8395         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8396         as NULL if we aren't searching.
8397         (Add_symbols::run): Don't check for compatible target.
8398         * fileread.cc (Input_file::open_binary): Call
8399         parameters_force_valid_target.
8400         * gold.cc (queue_middle_tasks): Likewise.
8401         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8402         set_target on object.
8403         * dynobj.h (class Sized_dynobj): Update declarations.
8404         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8405         make_elf_object returns NULL.
8406         (Archive::include_member): Don't check whether object target is
8407         compatible.
8408         * output.cc (Output_section::add_input_section): Get target from
8409         parameters.
8410         (Output_section::relax_input_section): Likewise.
8411         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8412         parameters.
8413         (Sized_relobj::do_scan_relocs): Likewise.
8414         (Sized_relobj::relocate_sections): Likewise.
8415         * resolve.cc (Symbol_table::resolve): Likewise.
8416         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8417         parameter.  Change all callers.
8418         (Symbol_table::add_from_object): Get target from parameters.
8419         (Symbol_table::add_from_relobj): Don't check object target.
8420         (Symbol_table::add_from_dynobj): Likewise.
8421         (Symbol_table::define_special_symbol): Get target from
8422         parameters.
8423         * symtab.h (class Symbol_table): Update declaration.
8424         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8425         parameter.  Change all callers.  Clear parameter target.
8426         (Binary_test): Test target here.
8427         * testsuite/object_unittest.cc (gold_testsuite): Remove
8428         target_test_pointer parameter.  Change all callers.
8429         (Object_test): Test target here.
8430
8431 2009-09-26  Ian Lance Taylor  <iant@google.com>
8432
8433         * testsuite/initpri1.c: Don't try to use constructor priorities if
8434         compiling with gcc before 4.3.
8435
8436 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8437
8438         * testsuite/retain_symbols_file_test.sh (check_present): Change
8439         output file name to retain_symbols_file_test.stdout.
8440         (check_absent): Likewise.
8441
8442 2009-09-18  Craig Silverstein  <csilvers@google.com>
8443
8444         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8445         * options.cc: Include <cerrno> and <fstream>.
8446         (General_options::finalize): Parse -retain-symbols-file tag.
8447         * options.h: New flag.
8448         (General_options): New method should_retain_symbol, new
8449         variable symbols_to_retain.
8450         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8451         should_retain_symbol map.
8452         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8453         * testsuite/Makefile.in: Regenerate.
8454         * testsuite/retain_symbols_file_test.sh: New file.
8455
8456 2009-09-18  Nick Clifton  <nickc@redhat.com>
8457
8458         * po/es.po: Updated Spanish translation.
8459
8460 2009-09-17  Doug Kwan  <dougkwan@google.com>
8461
8462         * debug.h (DEBUG_RELAXATION): New constant.
8463         (DEBUG_ALL): Add DEBUG_RELAXATION.
8464         (debug_string_to_enum): Add relaxation debug option.
8465         * layout.cc
8466         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8467         Layout::Relaxation_debug_check::read_sections,
8468         Layout::Relaxation_debug_check::read_sections): New method definitions.
8469         (Layout::Layout): Initialize data members
8470         record_output_section_data_from_scrips_,
8471         script_output_section_data_list_ and relaxation_debug_check_.
8472         (Layout::save_segments, Layout::restore_segments,
8473         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8474         Layout::relaxation_loop_body): New method definitions.
8475         (Layout::finalize): Support relaxation.  Move section layout code to
8476         Layout::relaxation_loop_body.
8477         (Layout::set_asection_address_from_script): Move code for orphan
8478         section placement out.
8479         (Layout::place_orphan_sections_in_script): New method definition.
8480         * layout.h (Output_segment_headers, Output_file_header):
8481         New forward class declarations.
8482         (Layout::~Layout): Define.
8483         (Layout::new_output_section_data_from_script): New method definition.
8484         (Layout::place_orphan_sections_in_script): New method declaration.
8485         (Layout::Segment_states): New type declaration.
8486         (Layout::save_segments, Layout::restore_segments,
8487         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8488         Layout::relaxation_loop_body): New method declarations.
8489         (Layout::Output_section_data_list): New type declaration.
8490         (Layout::Relaxation_debug_check): New class definition.
8491         (Layout::record_output_section_data_from_script_,
8492         Layout::script_output_section_data_list_, Layout::segment_states_,
8493         Layout::relaxation_debug_check_): New data members.
8494         * output.cc: (Output_section_headers::do_size): New method definition.
8495         (Output_section_headers::Output_section_headers): Move size
8496         computation to Output_section_headers::do_size.
8497         (Output_segment_headers::do_size): New method definition.
8498         (Output_file_header::Output_file_header): Move size computation to
8499         Output_file_header::do_size and call it.
8500         (Output_file_header::do_size): New method definition.
8501         (Output_data_group::Output_data_group): Adjust call to
8502         Output_section_data.
8503         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8504         (Output_symtab_xindex::do_write): Add array bound check.
8505         (Output_section::Input_section::print_to_mapfile): Handle
8506         RELAXED_INPUT_SECTION_CODE.
8507         (Output_section::Output_section): Initialize data member checkpoint_.
8508         (Output_section::~Output_section): Delete checkpoint object pointed
8509         by checkpoint_.
8510         (Output_section::add_input_section): Always add an Input_section if
8511         relaxing.
8512         (Output_section::add_merge_input_section): Add assert.
8513         (Output_section::relax_input_section): New method definition.
8514         (Output_section::set_final_data_size): Set load address to zero for
8515         an unallocated section.
8516         (Output_section::do_address_and_file_offset_have_reset_values):
8517         New method definition.
8518         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8519         Handle relaxed input section.
8520         (Output_section::sort_attached_input_sections): Checkpoint input
8521         section list lazily.
8522         (Output_section::get_input_sections): Change type of input_sections to
8523         list of Simple_input_section pointers.  Checkpoint input section list
8524         lazily.  Also handle relaxed input sections.
8525         (Output_section::add_input_section_for_script): Take a reference to
8526         a Simple_input_section object instead of Relobj pointer and section
8527         index as parameter.  Handle relaxed input sections.
8528         (Output_section::save_states, Output_section::restore_states): New
8529         method definitions.
8530         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8531         (Output_data::is_data_size_fixed): New method definition.
8532         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8533         if it is fixed.
8534         (Output_data::address_and_file_offset_have_reset_values): New method
8535         definition.
8536         (Output_data::do_address_and_file_offset_have_reset_values): New method
8537         definition.
8538         (Output_data::set_data_size): Check that data size is not fixed.
8539         (Output_data::fix_data_size): New method definition.
8540         (Output_data::is_data_size_fixed_): New data member.
8541         (Output_section_headers::set_final_data_size): New method definition.
8542         (Output_section_headers::do_size): New method declaration.
8543         (Output_segment_headers::set_final_data_size): New method definition.
8544         (Output_segment_headers::do_size): New method declaration.
8545         (Output_file_header::set_final_data_size)::New method definition.
8546         (Output_file_header::do_size)::New method declaration.
8547         (Output_section_data::Output_section_data): Add new parameter
8548         is_data_size_fixed and use it to fix data size.
8549         (Output_data_const::Output_data_const): Adjust call to base class
8550         constructor and fix data size.
8551         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8552         base class constructor and fix data size.
8553         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8554         base class constructor and fix data size.
8555         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8556         class constructor and fix data size.
8557         (Output_data_group::set_final_data_size): New method definition.
8558         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8559         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8560         class constructor and fix data size.
8561         (Output_relaxed_input_section): New class definition.
8562         (Output_section::Simple_input_section): New class definition.
8563         (Output_section::get_input_sections): Adjust parameter list.
8564         (Output_section::add_input_section_for_script): Same.
8565         (Output_section::save_states, Output_section::restore_states,
8566         Output_section::do_address_and_file_offset_have_reset_values,
8567         (Output_section::Input_section::Input_section): Handle
8568         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8569         Output_relaxed_input_section.
8570         (Output_section::Input_section::is_input_section,
8571         Output_section::Input_section::set_output_section): Handle relaxed
8572         input section.
8573         (Output_section::Input_section::is_relaxed_input_section,
8574         Output_section::Input_section::output_section_data,
8575         Output_section::Input_section::relaxed_input_section): New method
8576         definitions.
8577         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8578         value.
8579         (Output_section::Input_section::u1_): Update comments.
8580         (Output_section::Input_section::u2_): Add new union member poris.
8581         (Output_section::Checkpoint_output_section): New classs definition.
8582         (Output_section::relax_input_section): New method declaration.
8583         (Output_section::checkpoint_): New data member.
8584         (Output_segment): Update comments.
8585         (Output_segment::Output_segment): Un-privatize copy constructor.
8586         (Output_segment::operator=): Un-privatize.
8587         * script-sections.cc (Output_section_element::Input_section_list):
8588         Change element type to Output_section::Simple_input_section.
8589         (Output_section_element_dot_assignment::set_section_addresses):
8590         Register output section data for relaxation clean up.
8591         (Output_data_exression::Output_data_expression): Adjust call to base
8592         constructor to fix data size.
8593         (Output_section_element_data::set_section_addresses): Register
8594         Output_data_expression object for relaxation clean up.
8595         (struct Input_section_info): Replace Relobj pointer and section index
8596         pair with Output_section::Simple_input_section and Convert struct to a
8597         class.
8598         (Input_section_sorter::operator()): Adjust access to
8599         Input_section_info data member to use accessors.
8600         (Output_section_element_input::set_section_addresses): Use layout
8601         parameter.  Adjust code to use Output_section::Simple_input_section
8602         and Input_secction_info classes.  Register filler for relaxation
8603         clean up.
8604         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8605         and section index pair with Output_section::Simple_input_section
8606         class.  Adjust code accordingly.
8607         (Phdrs_element::release_segment): New method definition.
8608         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8609         segment list.
8610         (Script_sections::release_segments): New method definition.
8611         * gold/script-sections.h (Script_sections::release_segments): New
8612         method declaration.
8613         * gold/target.h (Target::may_relax, Target::relax,
8614         Target::do_may_relax, Target::do_relax): New method definitions.
8615
8616 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8617
8618         * arm.cc (has_signed_unsigned_overflow): New function.
8619         (Arm_relocate_functions::abs8): New function.
8620         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8621         (Target_arm::Scan::global): Likewise.
8622         (Target_arm::relocate::relocate): Likewise.
8623         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8624         Likewise.
8625
8626 2009-09-16  Cary Coutant  <ccoutant@google.com>
8627
8628         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8629         * testsuite/Makefile.in: Regenerate.
8630
8631 2009-09-11  Nick Clifton  <nickc@redhat.com>
8632
8633         * po/gold.pot: Updated by the Translation project.
8634
8635 2009-09-08  Cary Coutant  <ccoutant@google.com>
8636
8637         * output.cc (Output_file::open): Add execute permission to empty file.
8638         * testsuite/Makefile.am (permission_test): New test.
8639         * testsuite/Makefile.in: Regenerate.
8640
8641 2009-09-02  Ian Lance Taylor  <iant@google.com>
8642
8643         * output.cc (Output_file::resize): Call map_no_anonymous rather
8644         than map.
8645
8646 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8647
8648         * gold.cc: Include "incremental.h".
8649         (queue_initial_tasks): Call Incremental_checker methods.
8650         * incremental.cc: Include "output.h".
8651         (Incremental_checker::can_incrementally_link_output_file): New
8652         method.
8653         * incremental.h (Incremental_checker): New class.
8654
8655         * output.cc (Output_file::open_for_modification): New method.
8656         (Output_file::map_anonymous): Changed return type to bool.  Record
8657         map in base_ field.
8658         (Output_file::map_no_anonymous): New method, broken out of map.
8659         (Output_file::map): Use map_no_anonymous and map_anonymous.
8660         * output.h (class Output_file): Update declarations.
8661
8662 2009-08-24  Cary Coutant  <ccoutant@google.com>
8663
8664         * options.h (Command_line::Pre_options): New class.
8665         (Command_line::pre_options): New member.
8666         * options.cc (gold::options::ready_to_register): New variable.
8667         (One_option::register_option): Do nothing if not registering options.
8668         Assert if same short option registered twice.
8669         (General_options::General_options): Turn off option registration when
8670         done constructing.
8671         (Command_line::Pre_options::Pre_options): New constructor.
8672
8673 2009-08-24  Cary Coutant  <ccoutant@google.com>
8674
8675         * options.h (General_options::no_keep_memory): Remove incorrect
8676         short option.
8677
8678 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8679
8680         * Makefile.am (am__skiplex, am__skipyacc): New.
8681         * Makefile.in: Regenerate.
8682
8683 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8684
8685         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8686         (INCLUDES): ... this.
8687         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8688         (AM_CPPFLAGS): Renamed from ...
8689         (INCLUDE): ... this.
8690         * Makefile.in, testsuite/Makefile.in: Regenerate.
8691
8692         * Makefile.in: Regenerate.
8693         * aclocal.m4: Likewise.
8694         * config.in: Likewise.
8695         * configure: Likewise.
8696         * testsuite/Makefile.in: Likewise.
8697
8698         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8699         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8700         * Makefile.in: Regenerate.
8701         * testsuite/Makefile.in: Regenerate.
8702
8703 2009-08-19  Cary Coutant  <ccoutant@google.com>
8704
8705         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8706         symbols in shared libraries overridden by hidden or internal symbols
8707         in the main program.
8708
8709 2009-08-19  Chris Demetriou  <cgd@google.com>
8710
8711         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8712         checking source file names in error messages.
8713
8714 2009-08-18  Doug Kwan  <dougkwan@google.com>
8715
8716         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8717         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8718         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8719         an elfcpp::Ehdr as parameter.
8720         * object.cc (Object::set_target): Remove the version that looks up
8721         a target and sets it.
8722         (Sized_relobj::setup): Take a Target object instead of
8723         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8724         (make_elf_sized_object): Find target and ask target to
8725         make an ELF object.
8726         * object.h: (Object::set_target): Remove the version that looks up
8727         a target and sets it.
8728         (Sized_relobj::setup): Take a Target object instead of
8729         an elfcpp:Ehdr as parameter.
8730         * target.cc: Include dynobj.h.
8731         (Target::do_make_elf_object_implementation): New.
8732         (Target::do_make_elf_object): New.
8733         * target.h (Target::make_elf_object): New template declaration.
8734         (Target::do_make_elf_object): New method declarations.
8735         (Target::do_make_elf_object_implementation): New template declaration.
8736
8737 2009-08-14  Ian Lance Taylor  <iant@google.com>
8738
8739         * gold.h (FUNCTION_NAME): Define.
8740         (gold_unreachable): Use FUNCTION_NAME.
8741
8742 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8743
8744         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8745         symbol in the --keep-unique list is not found.
8746
8747 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8748
8749         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8750         been maked as --keep-unique.
8751         (Icf::unfold_section): New function.
8752         * icf.h (Icf::unfold_section): New function.
8753         * options.h (General_options::keep_unique): New option.
8754         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8755         * testsuite/Makefile.in: Regenerate.
8756         * testsuite/icf_keep_unique_test.sh: New file.
8757         * testsuite/icf_keep_unique_test.cc: New file.
8758
8759 2009-08-12  Cary Coutant  <ccoutant@google.com>
8760
8761         PR 10471
8762         * resolve.cc (Symbol_table::resolve): Check for references from
8763         dynamic objects to hidden and internal symbols.
8764         * testsuite/Makefile.am (hidden_test.sh): New test.
8765         * testsuite/Makefile.in: Regenerate.
8766         * testsuite/hidden_test.sh: New script.
8767         * testsuite/hidden_test_1.c: New test source.
8768         * testsuite/hidden_test_main.c: New test source.
8769
8770 2009-08-11  Doug Kwan  <dougkwan@google.com>
8771
8772         * arm.cc: Update comments.
8773         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8774         segment to locate the .ARM.exidx section if present.
8775
8776 2009-08-09  Doug Kwan  <dougkwan@google.com>
8777
8778         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8779         patch.
8780
8781 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8782         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8783         compiler warnings.
8784
8785 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8786
8787         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8788         valid tls_segment only for non-debug-section relocations.
8789         * testsuite/Makefile.am: Add gc_tls_test.
8790         * testsuite/Makefile.in: Regenerate.
8791         * testsuite/gc_tls_test.cc: New file.
8792         * testsuite/gc_tls_test.sh: New file.
8793
8794 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8795
8796         * icf.cc: New file.
8797         * icf.h: New file.
8798         * Makefile.am (CCFILES): Add icf.cc.
8799         (HFILES): Add icf.h
8800         * Makefile.in: Regenerate.
8801         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8802         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8803         section, symbol and addend information for the relocs.
8804         * gold.cc (queue_middle_tasks): Call identical code folding.
8805         * gold.h: Add defines for multimap.
8806         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8807         to the call of finalize_local_symbols.
8808         * main.cc (main): Create object of class Icf.
8809         * object.cc (Sized_relobj::do_layout): Allow this function to be
8810         called twice during icf.
8811         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8812         to sections marked as identical by icf.
8813         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8814         when available.
8815         (Sized_relobj::do_section_entsize): New function.
8816         * object.h (Object::section_entsize): New function.
8817         (Object::do_section_entsize): New pure virtual function.
8818         (Relobj::finalize_local_symbols): Add new parameter.
8819         (Relobj::do_section_entsize): New function.
8820         * options.h (General_options::icf): New option.
8821         (General_options::icf_iterations): New option.
8822         (General_options::print_icf_sections): New option.
8823         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8824         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8825         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8826         icf.
8827         * symtab.cc (Symbol_table::is_section_folded): New function.
8828         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8829         to sections marked as identical by icf.
8830         * symtab.h (Symbol_table::set_icf): New function.
8831         (Symbol_table::icf): New function.
8832         (Symbol_table::is_section_folded): New function.
8833         (Symbol_table::icf_): New data member.
8834         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8835         * testsuite/Makefile.am: Add commands to build icf_test.
8836         * testsuite/Makefile.in: Regenerate.
8837         * testsuite/icf_test.sh: New file.
8838         * testsuite/icf_test.cc: New file.
8839
8840 2009-07-24  Chris Demetriou  <cgd@google.com>
8841
8842         * layout.cc (is_compressible_debug_section): Fix incorrect
8843         comment about compressed section names.
8844
8845 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8846
8847         PR 10419
8848         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8849
8850 2009-07-16  Ian Lance Taylor  <iant@google.com>
8851
8852         PR 10400
8853         * layout.h: #include <map>.
8854         (class Kept_section): Change from struct to class.  Add accessors
8855         and setters.  Add section size to Comdat_group mapping.  Change
8856         Comdat_group to std::map.  Add is_comdat_ field.  Add
8857         linkonce_size field in union.
8858         (class Layout): Update declaration of find_or_add_kept_section.
8859         Don't declare find_kept_object.
8860         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8861         parameter.  Add object, shndx, is_comdat, and is_group_name
8862         parameters.  Change all callers.  Adjust for new Kept_section.
8863         (Layout::find_kept_object): Remove.
8864         * object.cc (Sized_relobj::include_section_group): Update use of
8865         Kept_section.  Rename secnum to shndx.  Only record
8866         Kept_comdat_section if sections are the same size.
8867         (Sized_relobj::include_linkonce_section): Update use of
8868         Kept_section.  Only record Kept_comdat_section if sections are the
8869         same size.  Set size of linkonce section.
8870         (Sized_relobj::map_to_kept_section): Update call to
8871         get_kept_comdat_section.
8872         * object.h (class Sized_relobj): Rename fields in
8873         Kept_comdat_section to drop trailing underscores; change object
8874         field to Relobj*.  Change Kept_comdat_section_table to store
8875         struct rather than pointer.
8876         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8877         Add kept_object and kept_shndx parameters.  Change all callers.
8878         (Sized_relobj::get_kept_comdat_section): Change return type to
8879         bool.  Add kept_object and kept_shndx parameters.  Change all
8880         callers.
8881         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8882         Layout::find_or_add_kept_section.
8883
8884 2009-07-09  Ian Lance Taylor  <iant@google.com>
8885
8886         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8887         Reserve space in the hash table.
8888
8889 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8890
8891         * fileread.cc (File_read::get_mtime): New method.
8892         * fileread.h (Timespec): New structure.
8893         (File_read::get_mtime): New method.
8894         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8895         Renamed from timestamp_nsec.
8896         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8897         Elf_Xword.
8898         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8899         timestamp_nsec.
8900         (Incremental_inputs::report_archive): Save mtime; style fix.
8901         (Incremental_inputs::report_obejct): Save mtime; style fix.
8902         (Incremental_inputs::report_script): Save mtime; style fix.
8903         (Incremental_inputs::finalize_inputs): Style fix.
8904         (Incremental_inputs::finalize): Style fix.
8905         (Incremental_inputs::create_input_section_data): Store inputs
8906         mtime.
8907         * incremental.h (Incremental_inputs::report_script): Add mtime
8908         argument.
8909         (Incremental_inputs::Input_info::Input_info): Intialize only one
8910         union member.
8911         (Incremental_inputs::Input_info::archive): Move to nameless
8912         union.
8913         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8914         (Incremental_inputs::Input_info::script): Move to nameless union.
8915         (Incremental_inputs::mtime): New field.
8916         * script.cc (read_input_script): Pass file mtime to
8917         Incremental_input.
8918         * script.h (Script_info::inputs): Style fix.
8919
8920 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8921
8922         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8923         instead of 32.
8924
8925 2009-06-24  Ian Lance Taylor  <iant@google.com>
8926
8927         PR 10156
8928         * layout.cc (Layout::choose_output_section): If we find an
8929         existing section, update the flags.
8930         (Layout::create_notes): New function, broken out of
8931         Layout::finalize.
8932         (Layout::finalize): Don't create note sections.
8933         (Layout::create_note): Don't crash if linker script discards
8934         section.
8935         (Layout::create_gold_note): Likewise.
8936         (Layout::create_build_id): Likewise.  Don't set
8937         after_input_sections on the section.
8938         (Layout::create_executable_stack_info): Remove target parameter.
8939         Change caller.
8940         * layout.h (class Layout): Declare create_notes.  Update
8941         declaration of create_executable_stack_info.
8942         * gold.cc (queue_middle_tasks): Call create_notes.
8943         * output.cc (Output_section::update_flags_for_input_section): Move
8944         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8945         invalid.
8946         * output.h (Output_data::mark_address_invalid): New function.
8947         (class Output_section): Only declare, not define,
8948         update_flags_for_input_section.  Remove set_flags.
8949
8950 2009-06-24  Ian Lance Taylor  <iant@google.com>
8951
8952         * script-sections.cc (Output_section_definition::
8953         set_section_addresses): Rename shadowing local load_address to
8954         laddr.
8955
8956 2009-06-24  Ian Lance Taylor  <iant@google.com>
8957
8958         PR 10244
8959         * reloc.cc (relocate_sections): Skip empty relocation sections.
8960
8961 2009-06-23  Ian Lance Taylor  <iant@google.com>
8962
8963         PR 10156
8964         * layout.cc (Layout::create_note): Use choose_output_section
8965         rather than make_output_section.
8966
8967 2009-06-23  Ian Lance Taylor  <iant@google.com>
8968
8969         PR 10237
8970         * options.cc (General_options::parse_V): Set printed_version_.
8971         (General_options::General_options): Initialize printed_version_.
8972         * options.h (class General_options): Add printed_version_ field.
8973         * gold.cc (queue_initial_tasks): If there are no input files,
8974         don't give a fatal error if we printed the version information.
8975         (queue_middle_tasks): If using -r with a shared object, give a
8976         fatal error rather than an ordinary error.
8977
8978 2009-06-23  Ian Lance Taylor  <iant@google.com>
8979
8980         PR 10219
8981         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8982         (Layout::make_output_section): Set have_stabstr_section_ if we see
8983         a .stab*str section.
8984         (Layout::finalize): Call link_stabs_sections.
8985         (Layout::link_stabs_sections): New file.
8986         * layout.h (class Layout): Add have_stabstr_section_ field.
8987         Declare link_stabs_sections.
8988
8989 2009-06-23  Doug Kwan  <dougkwan@google.com>
8990
8991         * Makefile.am (libgold_a_LIBADD): New.
8992         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8993         * Makefile.in: Regenerate.
8994         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8995         * configure: Regenerate.
8996         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8997         * fileread.cc: Include sys/state.h
8998         * gold.h: Declare memmem and strndup if found missing.
8999         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9000
9001 2009-06-23  Ian Lance Taylor  <iant@google.com>
9002
9003         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9004         * configure: Rebuild.
9005
9006 2009-06-23  Ian Lance Taylor  <iant@google.com>
9007
9008         PR 10147
9009         * object.cc (Object::section_contents): Don't try to get a view if
9010         the section has length zero.
9011         (Object::handle_gnu_warning_section): If the section is empty, use
9012         the name of the section as the warning.
9013
9014 2009-06-23  Ian Lance Taylor  <iant@google.com>
9015
9016         PR 10133
9017         * stringpool.h (class Stringpool_template): Add optimize_ field.
9018         (Stringpool_template::set_optimize): New function.
9019         * stringpool.cc (Stringpool_template::Stringpool_template):
9020         Initialize optimize_ field.
9021         (Stringpool_template::set_string_offsets): Test local optimize
9022         fild rather than parameter.
9023         * layout.cc (Layout::Layout): Call set_optimize on the section
9024         name stringpool.
9025
9026 2009-06-22  Ian Lance Taylor  <iant@google.com>
9027
9028         PR 10030
9029         * yyscript.y: Parse TARGET.
9030         * script.cc (script_set_target): New function.
9031         * script-c.h (script_set_target): Declare.
9032         * options.cc (General_options::string_to_object_format): Rename
9033         from string_to_object_format in anonymous namespace.  Change
9034         callers.
9035         * options.h (class General_options): Declare
9036         string_to_object_format.
9037
9038 2009-06-22  Ian Lance Taylor  <iant@google.com>
9039
9040         * script-sections.cc (Script_sections::create_segments): Don't put
9041         program headers in a PT_LOAD segment if -n or -N.
9042
9043 2009-06-22  Ian Lance Taylor  <iant@google.com>
9044
9045         PR 10141
9046         * options.h (class General_options): Add -z lazy and -z now.  Sort
9047         -z options into alphabetical order.
9048         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9049
9050 2009-06-21  Ian Lance Taylor  <iant@google.com>
9051
9052         * layout.cc (Layout::make_output_section): Call
9053         Target::new_output_section.
9054         (Layout::attach_allocated_section_to_segment): Put large section
9055         sections in a separate load segment with the large segment flag
9056         set.
9057         (Layout::segment_precedes): Sort large data segments after other
9058         load segments.
9059         (align_file_offset): New static function.
9060         (Layout::set_segment_offsets): Use align_file_offset.
9061         * output.h (class Output_section): Add is_small_section_ and
9062         is_large_section_ fields.
9063         (Output_section::is_small_section): New function.
9064         (Output_section::set_is_small_section):  New function.
9065         (Output_section::is_large_section): New function.
9066         (Output_section::set_is_large_section): New function.
9067         (Output_section::is_large_data_section): New function.
9068         (class Output_segment): Add is_large_data_segment_ field.
9069         (Output_segment::is_large_data_segment): New function.
9070         (Output_segment::set_is_large_data_segment): New function.
9071         * output.cc (Output_section::Output_section): Initialize new
9072         fields.
9073         (Output_segment::Output_segment): Likewise.
9074         (Output_segment::add_output_section): Add assertion that large
9075         data sections always go in large data segments.  Force small data
9076         sections to the end of the list of data sections.  Force small BSS
9077         sections to the start of the list of BSS sections.  For large BSS
9078         sections to the end of the list of BSS sections.
9079         * symtab.h (class Symbol): Declare is_common_shndx.
9080         (Symbol::is_defined): Check Symbol::is_common_shndx.
9081         (Symbol::is_common): Likewise.
9082         (class Symbol_table): Define enum Commons_section_type.  Update
9083         declarations.  Add small_commons_ and large_commons_ fields.
9084         * symtab.cc (Symbol::is_common_shndx): New function.
9085         (Symbol_table::Symbol_table): Initialize new fields.
9086         (Symbol_table::add_from_object): Put small and large common
9087         symbols in the right list.
9088         (Symbol_table::sized_finalized_symbol): Check
9089         Symbol::is_common_shndx.
9090         (Symbol_table::sized_write_globals): Likewise.
9091         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9092         common symbol lists.  Don't call do_allocate_commons_list if the
9093         list is empty.
9094         (Symbol_table::do_allocate_commons_list): Remove is_tls
9095         parameter.  Add comons_section_type parameter.  Change all
9096         callers.  Handle small and large common symbols.
9097         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9098         Symbol::is_common_shndx.
9099         * resolve.cc (symbol_to_bits): Likewise.
9100         * target.h (Target::small_common_shndx): New function.
9101         (Target::small_common_section_flags): New function.
9102         (Target::large_common_shndx): New function.
9103         (Target::large_common_section_flags): New function.
9104         (Target::new_output_section): New function.
9105         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9106         small_common_section_flags, and large_common_section_flags
9107         fields.
9108         (Target::do_new_output_section): New virtual function.
9109         * arm.cc (Target_arm::arm_info): Initialize new fields.
9110         * i386.cc (Target_i386::i386_info): Likewise.
9111         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9112         Likewise.
9113         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9114         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9115         (Target_x86_64::do_new_output_section): New function.
9116         * configure.ac: Define conditional MCMODEL_MEDIUM.
9117         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9118         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9119         (large_LDFLAGS): Define.
9120         * testsuite/large.c: New file.
9121         * testsuite/testfile.cc (Target_test::test_target_info):
9122         Initialize new fields.
9123         * configure, testsuite/Makefile.in: Rebuild.
9124
9125 2009-06-05  Doug Kwan  <dougkwan@google.com>
9126
9127         * Makefile.am (CCFILES): Add target.cc.
9128         * Makefile.in: Regenerate.
9129         * i386.cc (class Target_i386): Define new virtual method to
9130         override do_is_local_label_name in parent.
9131         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9132         local symbols if --discard-locals or -X is given.
9133         * options.h (class General_options): Declare new options
9134         '--discard-locals' and '-X' for discarding locals.
9135         * target.h (class Target): Define new methods is_local_label_name.
9136         Declare new virtual method do_is_local_label_name.
9137         * target.cc: New file.
9138         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9139         (check_SCRIPTS): Add discard_locals_test.sh.
9140         (check_DATA): Add discard_local_tests.syms.
9141         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9142         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9143         * testsuite/Makefile.in: Regenerate.
9144         * testsuite/discard_locals_test.c: New file.
9145         * testsuite/discard_locals_test.sh: Same.
9146
9147 2009-06-05  Doug Kwan  <dougkwan@google.com>
9148
9149         * object.cc (Sized_relobj::Sized_relobj): Initialize
9150         discarded_eh_frame_shndx_ to -1U.
9151         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9152         section.
9153         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9154         a discarded .eh_frame section.
9155         (Sized_relobj::do_finalize_local_symbols): Ditto.
9156         * object.h (class Sized_relobj): Declare new member
9157         discarded_eh_frame_shndx_.
9158         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9159         (local_labels_test.o, local_labels_test): New rules.
9160         * testsuite/Makefile.in: Regenerate.
9161
9162 2009-06-04  Doug Kwan  <dougkwan@google.com>
9163
9164         * layout.cc (Layout::section_name_mapping): Add mapping for
9165         special ARM sections.
9166
9167 2009-06-03  Doug Kwan  <dougkwan@google.com>
9168
9169         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9170         (utils::has_overflow): Same.
9171
9172 2009-06-03  Ian Lance Taylor  <iant@google.com>
9173
9174         * layout.cc (Layout::section_name_mapping): New array, replacing
9175         Layout::linkonce_mapping.
9176         (Layout::section_name_mapping_count): New variable, replacing
9177         Layout::linkonce_mapping_count.
9178         (Layout::linkonce_output_name): Remove.
9179         (Layout::output_section_name): Rewrite.
9180         * layout.h (class Layout): Rename Linkonce_mapping to
9181         Section_name_mapping, linkonce_mapping to section_name_mapping,
9182         linkonce_mapping_count to section_name_mapping_count.  Don't
9183         declare linkonce_output_name.
9184
9185 2009-06-03  Doug Kwan  <dougkwan@google.com>
9186
9187         * gold/arm.cc (namespace utils): New.
9188         (Target_arm::reloc_is_non_pic): Define new method.
9189         (class Arm_relocate_functions): New.
9190         (Target_arm::Relocate::relocate): Handle relocation types used by
9191         Android.
9192
9193 2009-06-03  Ian Lance Taylor  <iant@google.com>
9194
9195         * arm.cc (Target_arm::scan::global): Use || instead of |.
9196
9197 2009-06-02  Doug Kwan  <dougkwan@google.com>
9198
9199         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9200         issued_non_pic_error_.
9201         (class Target_arm::Scan): Declare new method check_non_pic.
9202         Define new method symbol_needs_plt_entry.
9203         Declare new data member issued_non_pic_error_.
9204         (class Target_arm::Relocate): Declare new method
9205         should_apply_static_reloc.
9206         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9207         (Target_arm::Scan::check_non_pic): Define new method.
9208         (Target_arm::Scan::local): Handle a small subset of reloc types used
9209         by Android.
9210         (Target_arm::Scan::local): Same.
9211         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9212
9213 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9214
9215         * incremental.cc (Incremental_inputs::report_command_line): Filter
9216         out --incremental-* options.
9217
9218 2009-05-29  Doug Kwan  <dougkwan@google.com>
9219
9220         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9221         template class.
9222         (class Target_arm): Update comment.
9223         (Target_arm::Target_arm): Initialize new data members GOT_,
9224         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9225         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9226         and Target_arm::rel_dyn_section.
9227         Declare new_enum Target_arm::Got_type.
9228         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9229         and DYNBSS_.
9230         Update commments for member do_dynsym_value.
9231         (Target_arm::got_size, Target_arm::plt_section,
9232         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9233         new methods inside class defintion.
9234         (Target_arm::got_section): Define new method.
9235         (Target_arm::rel_dyn_section): Same.
9236         (Output_data_plt_arm): New template class.
9237         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9238         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9239         (Output_data_plt_arm::add_entry): Same.
9240         (Output_data_plt_arm::first_plt_entry): Define new
9241         static data member for PLT instruction template.
9242         (Output_data_plt_arm::plt_entry): Same.
9243         (Output_data_plt_arm::do_write): Define new method.
9244         (Target_arm::make_plt_entry): Same.
9245         (Target_arm::do_finalize_sections): Same.
9246         (Target_arm::do_dynsym_value): Same.
9247
9248 2009-05-28  Doug Kwan  <dougkwan@google.com>
9249
9250         * Makefile.am (TARGETSOURCES): Add arm.cc.
9251         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9252         * Makefile.in: Regenerate.
9253         * arm.cc: New file.
9254         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9255
9256 2009-05-26  Doug Kwan  <dougkwan@google.com>
9257
9258         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9259         (General_options::check_excluded_libs): Strip off directories in
9260         archive name before matching like GNU ld does.
9261         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9262         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9263         (exclude_libs_test_LDFLAGS): Add linker option
9264         -Wl,--exclude-libs,libexclude_libs_test_3
9265         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9266         an explicit archive without using -l.
9267         (alt/libexclude_libs_test_3.a): New make rule.
9268         * testsuite/Makefile.in: Regenerate.
9269         * testsuite/exclude_libs_test.c : Declare lib3_default().
9270         (main): Call it.
9271         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9272         * exclude_libs_test_3.c: New file.
9273
9274 2009-05-26  Nick Clifton  <nickc@redhat.com>
9275
9276         * po/id.po: New Indonesian translation.
9277         * po/gold.pot: Updated template file.
9278
9279 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9280
9281         * testsuite/Makefile.am: Add -ffunction-sections to compile
9282         gc_comdat_test files.  Add -Wl,--gc-sections to build
9283         gc_comdat_test.
9284         * testsuite/Makefile.in: Regenerate.
9285         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9286
9287 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9288
9289         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9290         kept comdat section was garbage collected.
9291         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9292         * testsuite/Makefile.in: Regenerate.
9293         * testsuite/gc_comdat_test.sh: New file.
9294         * testsuite/gc_comdat_test_1.cc: New file.
9295         * testsuite/gc_comdat_test_2.cc: New file.
9296
9297 2009-05-19  Doug Kwan  <dougkwan@google.com>
9298
9299         * archive.cc (Archive::Archive): Move constructor from archive.h
9300         to here.  Initialize no_export_.
9301         (Archive::get_elf_object_for_member): Set no_export flag of object.
9302         * archive.h (Archive::Archive): Move constructor body to
9303         archive.cc.
9304         (Archive::no_export): New method.
9305         (Archive::no_export_): New field.
9306         * object.h (Object::Object): Initialize no_export_ to false.
9307         (Object::no_export, Object::set_no_export): New methods.
9308         (Object::no_export_): New field.
9309         * options.cc (General_options::parse_exclude_libs): New method.
9310         (General_options::check_excluded_libs) Same.
9311         * options.h (exclude_libs): New option.
9312         (General_options::check_excluded_libs): New method declaration.
9313         (General_options::excluded_libs_): New field.
9314         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9315         default or protected visibility if an object has no-export flag set.
9316         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9317         (check_SCRIPTS): Add exclude_libs_test.sh.
9318         (check_DATA): Add exclude_libs_test.syms.
9319         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9320         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9321         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9322         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9323         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9324         libexclude_libs_test_2.a): New rules.
9325         * testsuite/Makefile.in: Regenerate.
9326         * testsuite/exclude_libs_test.c: New file.
9327         * testsuite/exclude_libs_test.sh: Ditto.
9328         * testsuite/exclude_libs_test_1.c: Ditto.
9329         * testsuite/exclude_libs_test_2.c: Ditto.
9330
9331 2009-05-15  Ian Lance Taylor  <iant@google.com>
9332
9333         * configure.ac: Check for declarations for cases where libiberty.h
9334         checks HAVE_DECL_xxx.
9335         * configure, config.in: Rebuild.
9336
9337 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9338
9339         * gold.h (Incremental_argument_list): Remove (invalid) forward
9340         declaration.
9341         * incremental.cc (Incremental_inputs::report_achive): New method.
9342         (Incremental_inputs::report_object): New method.
9343         (Incremental_inputs::report_script): New method.
9344         (Incremental_inputs::finalize_inputs): New method.
9345         (Incremental_inputs::finalize): Call finalize_inputs().
9346         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9347         Create inputs entries.
9348         * incremental.h (Incremental_input_type): New enum.
9349         (Incremental_inputs::Incremental_input): Initialize new fields.
9350         (Incremental_inputs::report_inputs): New method.
9351         (Incremental_inputs::report_achive): New method.
9352         (Incremental_inputs::report_object): New method.
9353         (Incremental_inputs::report_script): New method.
9354         (Incremental_inputs::finalize_inputs): New method.
9355         (Incremental_inputs::Input_info): New struct.
9356         (Incremental_inputs::Input_info_map): New typedef.
9357         (Incremental_inputs::lock_): New field.
9358         (Incremental_inputs::Inputs_): New field.
9359         (Incremental_inputs::Inputs_map): New field.
9360         * main.cc (main): Call Incremental_input::report_inputs.
9361         * options.h (Input_argument_list): Typedef moved from
9362         Input_arguments.
9363         (Input_file_group::Files): Remove, use ::Input_argument_list.
9364         (Input_file_group::Input_argument_list): Remove, use
9365         ::Input_argument_list.
9366         * plugin.cc (Plugin_manager::add_input_file): Add error in
9367         incremental build.
9368         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9369         functions.
9370         * script.cc (read_input_script): Call
9371         Incremental_input::report_script.
9372         * script.h (Script_info): New class.
9373
9374 2009-04-27  Ian Lance Taylor  <iant@google.com>
9375
9376         * x86_64.cc (do_adjust_output_section): Set entsize to
9377         plt_entry_size.
9378
9379 2009-04-23  Elliott Hughes  <enh@google.com>
9380
9381         * output.cc (Output_file::close): After short writes, continue
9382         writing from the correct offset in the buffer being written.
9383
9384 2009-04-23  Chris Demetriou  <cgd@google.com>
9385
9386         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9387         * configure: Regenerate.
9388         * config.in: Regenerate.
9389         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9390         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9391
9392 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9393
9394         * incremental.cc (Incremental_inputs_header_data): Renamed from
9395         Incremental_input_header_data.
9396         (Incremental_inputs_header_data::data_size): New field.
9397         (Incremental_inputs_header_data::put_input_file_count): Renamed
9398         from input_file_count.
9399         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9400         from command_line_offset.
9401         (Incremental_inputs_header_data::put_reserved): Renamed from
9402         put_reserved.
9403         (Incremental_inputs_entry_data): Renamed from
9404         Incremental_input_entry_data.
9405         (Incremental_inputs_entry_data::data_size): New field.
9406         (Incremental_inputs::report_command_line): New method.
9407         (Incremental_inputs::finalize): New method.
9408         (Incremental_inputs::create_incremental_inputs_data): New method.
9409         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9410         * incremental.h: New file.
9411         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9412        (Layout::finalize): Create incremental inputs section in
9413         incremental builds.
9414        (Layout::create_incremental_info_sections): New method.
9415         * layout.h (Layout::incremental_inputs): New method.
9416        (Layout::create_incremental_info_sections): New method.
9417        (Layout::incremental_inputs_): New field.
9418         * main.cc (main): Notify Incremental_input of the command line.
9419
9420 2009-04-01  Ian Lance Taylor  <iant@google.com>
9421             Mikolaj Zalewski  <mikolajz@google.com>
9422
9423         * gold.h (reserve_unordered_map): Define, three versions, one for
9424         each version of Unordered_map.
9425         * layout.cc (Layout::Layout): Remove options parameter.  Add
9426         number_of_input_files parameter.  Don't initialize options_.
9427         Initialize number_of_input_files_ and resized_signatures_.  Move
9428         sections_are_attached_.
9429         (Layout::layout_group): Reserve space for group_signatures_.
9430         (Layout::find_or_add_kept_section): Change name parameter to be a
9431         reference.  Resize signatures_ map when it gets large enough.
9432         (Layout::layout_eh_frame): Use parameters->options() instead of
9433         this->options_.
9434         (Layout::make_output_section): Likewise.
9435         (Layout::attach_allocated_section_to_segment): Likewise.
9436         (Layout::finalize, Layout::create_executable_stack): Likewise.
9437         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9438         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9439         * layout.h (class Layout): Update declarations.  Remove options_
9440         field.  Add number_of_input_files_ and resized_signatures_
9441         fields.  Move sections_are_attached_ field.
9442         * main.cc (main): Pass number of input files to Layout
9443         constructor.  Don't pass options.
9444
9445 2009-03-30  Ian Lance Taylor  <iant@google.com>
9446
9447         * ffsll.c (ffsll): Correct implementation.
9448
9449 2009-03-27  Ian Lance Taylor  <iant@google.com>
9450
9451         * ffsll.c: New file.
9452         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9453         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9454         * ftruncate.c (ftruncate): Declare before definition.
9455         * mremap.c (mremap): Likewise.
9456         * pread.c (pread): Likewise.
9457         * configure, Makefile.in, config.in: Rebuild.
9458
9459         * mremap.c: New file.
9460         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9461         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9462         (mremap): Declare if HAVE_MREMAP is not defined.
9463         * configure, Makefile.in, config.in: Rebuild.
9464
9465 2009-03-27  Cary Coutant  <ccoutant@google.com>
9466
9467         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9468         position independent.
9469         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9470         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9471
9472 2009-03-24  Cary Coutant  <ccoutant@google.com>
9473
9474         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9475         an executable.
9476         (needs_dynamic_reloc): Likewise.
9477
9478 2009-03-24  Ian Lance Taylor  <iant@google.com>
9479
9480         * yyscript.y (file_cmd): Recognize EXTERN.
9481         (extern_name_list, extern_name_list_body): New nonterminals.
9482         * script.cc (script_add_extern): Define.
9483         * script-c.h (script_add_extern): Declare.
9484
9485 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9486
9487         * object.cc (is_elf_object): Define.
9488         * object.h (is_elf_object): Declare.
9489         * archive.cc (Archive::get_elf_object_for_member): Call
9490         is_elf_object.
9491         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9492
9493 2009-03-24  Elliott Hughes  <enh@google.com>
9494
9495         * output.cc (Output_file::map_anonymous): Define.
9496         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9497         try an anonymous one.  Report the size if the mmap fails.
9498         * output.h (class Output_file): Declare map_anonymous.
9499
9500 2009-03-24  Ian Lance Taylor  <iant@google.com>
9501
9502         * target-select.cc (instantiate_target): Don't acquire the lock if
9503         the instantiated_target_ field has already been set.
9504
9505 2009-03-23  Ian Lance Taylor  <iant@google.com>
9506
9507         * gold-threads.h (class Initialize_lock): Define.
9508         * gold-threads.cc (class Initialize_lock_once): Define.
9509         (initialize_lock_control): New static variable.
9510         (initialize_lock_pointer): New static variable.
9511         (initialize_lock_once): New static function.
9512         (Initialize_lock::Initialize_lock): Define.
9513         (Initialize_lock::initialize): Define.
9514         * target-select.h: Include "gold-threads.h".
9515         (class Target_selector): Add lock_ and initialize_lock_ fields.
9516         Don't define instantiate_target, just declare it.
9517         * target-select.cc (Target_selector::Target_selector): Initialize
9518         new fields.
9519         (Target_selector::instantiate_target): Define.
9520         * descriptors.h: Include "gold-threads.h".
9521         (class Descriptors): Add initialize_lock_ field.
9522         * descriptors.cc (Descriptors::Descriptors): Initialize new
9523         field.
9524         (Descriptors::open): Use initialize_lock_ field
9525         * errors.h (class Errors): Add initialize_lock_ field.
9526         * errors.cc (Errors::Errors): Initialize new field.
9527         (Errors::initialize_lock): Use initialize_lock_ field.
9528         * powerpc.cc (class Target_selector_powerpc): Remove
9529         instantiated_target_ field.  In do_recognize call
9530         instantiate_target rather than do_instantiate_target.  In
9531         do_instantiate_target just allocate a new target.
9532         * sparc.cc (class Target_selector_sparc): Likewise.
9533
9534         * freebsd.h: New file.
9535         * i386.cc: Include "freebsd.h".
9536         (Target_i386): Derive from Target_freebsd rather than
9537         Sized_target.
9538         (Target_selector_i386): Derive from Target_selector_freebsd rather
9539         than Target_selector.
9540         * x86_64.cc: Include "freebsd.h".
9541         (Target_x86_64): Derive from Target_freebsd rather than
9542         Sized_target.
9543         (Target_selector_x86_64): Derive from Target_selector_freebsd
9544         rather than Target_selector.
9545         * target.h (class Target): Add adjust_elf_header and
9546         do_adjust_elf_header.
9547         * output.cc (Output_file_header:: do_sized_write): Call target
9548         adjust_elf_header routine.
9549         * configure.tgt: Set targ_osabi.
9550         * configure.ac: Define GOLD_DEFAULT_OSABI.
9551         * parameters.cc (Parameters::default_target): Pass
9552         GOLD_DEFAULT_OSABI to select_target.
9553         * target-select.h (class Target_selector): Make instantiate_target
9554         protected rather than private.
9555         * Makefile.am (HFILES): Add freebsd.h.
9556         * configure, Makefile.in, config.in: Rebuild.
9557
9558         * merge.cc (do_add_input_section): Correct pend value.  Change
9559         message about last entry not being null terminated from error to
9560         warning.
9561
9562 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9563
9564         * incremental.cc: New file.
9565         * Makefile.am (CCFILES): Add incremental.cc.
9566         * Makefile.in: Rebuild.
9567
9568 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9569
9570         * layout.cc (Layout::output_section_name): Preserve names
9571         of '.note.' sections.
9572
9573 2009-03-19  Ian Lance Taylor  <iant@google.com>
9574
9575         * descriptors.cc (Descriptors::open): Check that the options are
9576         valid before using them.
9577
9578 2009-03-18  Ian Lance Taylor  <iant@google.com>
9579
9580         * script-sections.h: Include <list>.
9581         (class Script_sections): Change Sections_elements from std::vector
9582         to std::list.  Typedef public Elements_iterator.  Add
9583         orphan_section_placement_, data_segment_align_start_, and
9584         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9585         field.
9586         * script-sections.cc (class Orphan_section_placement): New class.
9587         (class Sections_element): Add virtual functions is_relro and
9588         orphan_section_init.  Remove virtual function place_orphan_here.
9589         (class Output_section_definition): Add is_relro and
9590         orphan_section_init.  Remove place_orphan_here.
9591         (class Orphan_output_section): Likewise.
9592         (Script_sections::Script_sections): Update for field changes.
9593         (Script_sections::data_segment_align): Set saw_data_segment_align_
9594         and data_segment_align_start_, not data_segment_align_index.
9595         (Script_sections::data_segment_relro_end): Check
9596         saw_data_segment_align_.  Use data_segment_align_start_ rather
9597         than data_segment_align_index_.
9598         (Script_sections::place_orphan): Rewrite to use
9599         Orphan_section_placement.
9600
9601 2009-03-17  Ian Lance Taylor  <iant@google.com>
9602
9603         * archive.cc (Archive::add_symbols): Check for a version attached
9604         to the symbol name in the archive map.
9605         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9606         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9607         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9608         (ver_test_11.a): New target.
9609         * testsuite/Makefile.in: Rebuild.
9610
9611         * configure.ac: Check for chsize and posix_fallocate.  Replace
9612         ftruncate.
9613         * ftruncate.c: New file, from gnulib.
9614         * output.cc (posix_fallocate): Define dummy version if not
9615         HAVE_POSIX_FALLOCATE.
9616         (Output_file::map): Call posix_fallocate rather than lseek and
9617         write.
9618         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9619         * configure, Makefile.in, config.in: Rebuild.
9620
9621 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9622
9623         * layout.h (Layout::create_note): Add section_name parameter.
9624         * layout.cc (Layout::create_note): Likewise.
9625         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9626
9627 2009-03-17  Ian Lance Taylor  <iant@google.com>
9628
9629         * descriptors.cc: Include "options.h".
9630         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9631         (Descriptors::open): Always use O_CLOEXEC when opening a new
9632         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9633         then set FD_CLOEXEC.
9634
9635         * sparc.cc (class Target_sparc): Add has_got_section.
9636         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9637         make sure we have a GOT section.
9638
9639         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9640         (Target_sparc::Scan::local): Likewise.
9641         (Target_sparc::Scan::global): Likewise.
9642         (Target_sparc::Relocate::relocate): Likewise.
9643         (Target_sparc::Relocate::relocate_tls): Likewise.
9644
9645         * symtab.cc (Symbol_table::define_default_version): New function,
9646         broken out of add_from_object.
9647         (Symbol_table::add_from_object): Call define_default_version.
9648         (Symbol_table::define_special_symbol): Add resolve_oldsym
9649         parameter.  Change all callers.  If the version for a symbol comes
9650         from a version script, resolve it with the symbol with the same
9651         name with no version.  Also add the symbol without a version if
9652         appropriate.
9653         (do_define_in_output_data): If resolving with oldsym, don't delete
9654         sym.
9655         (do_define_in_output_segment): Likewise.
9656         (do_define_as_constant): Likewise.
9657         * symtab.h (class Symbol_table): Update declarations.
9658
9659 2009-03-13  Ian Lance Taylor  <iant@google.com>
9660
9661         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9662         (Read_symbols::requeue): New function.
9663         (Read_symbols::do_read_symbols): If make_elf_object fails because
9664         the target type is not configured, and the file was searched for,
9665         issue a warning and retry with the next directory.
9666         (Add_symbols::run): If the file has an incompatible format, and
9667         it was searched for, requeue the Read_symbols task.  On error,
9668         release the object.
9669         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9670         dirindex parameter to constructor.  Change all callers.  Declare
9671         incompatible_warning and requeue.
9672         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9673         input_argument_ and input_group_ fields.  Add them to
9674         constructor.  Change all callers.
9675         (class Read_script): Add dirindex_ field.  Add it to constructor.
9676         Change all callers.
9677         * archive.cc (Archive::setup): Remove input_objects parameter.
9678         Change all callers.
9679         (Archive::get_file_and_offset): Likewise.
9680         (Archive::read_all_symbols): Likewise.
9681         (Archive::read_symbols): Likewise.
9682         (Archive::get_elf_object_for_member): Remove input_objects
9683         parameter.  Add punconfigured parameter.  Change all callers.
9684         (Archive::add_symbols): Change return type to bool.  Check return
9685         value of include_member.
9686         (Archive::include_all_members): Likewise.
9687         (Archive::include_member): Change return type to bool.  Return
9688         false if first included object has incompatible target.  Set
9689         included_member_ field.
9690         (Add_archive_symbols::run): If add_symbols returns false, requeue
9691         Read_symbols task.
9692         * archive.h (class Archive): Add included_member_ field.
9693         Initialize it in constructor.  Add input_file and searched_for
9694         methods.  Update declarations.
9695         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9696         input_argument_ fields.  Add them to constructor.  Change all
9697         callers.
9698         * script.cc: Include "target-select.h".
9699         (class Parser_closure): Add skip_on_incompatible_target_ and
9700         found_incompatible_target_ fields.  Add
9701         skip_on_incompatible_target parameter to constructor.  Change all
9702         callers.  Add methods skip_on_incompatible_target,
9703         clear_skip_on_incompatible_target, found_incompatible_target, and
9704         set_found_incompatible_target.
9705         (read_input_script): Add dirindex parameter.  Change all callers.
9706         If parser finds an incompatible target, requeue Read_symbols
9707         task.
9708         (script_set_symbol): Clear skip_on_incompatible_target in
9709         closure.
9710         (script_add_assertion, script_parse_option): Likewise.
9711         (script_start_sections, script_add_phdr): Likewise.
9712         (script_check_output_format): New function.
9713         * script.h (read_input_script): Update declaration.
9714         * script-c.h (script_check_output_format): Declare.
9715         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9716         (ignore_cmd): Remove OUTPUT_FORMAT.
9717         * fileread.cc (Input_file::Input_file): Add explicit this.
9718         (Input_file::will_search_for): New function.
9719         (Input_file::open): Add pindex parameter.  Change all callers.
9720         * fileread.h (class Input_file): Add input_file_argument method.
9721         Declare will_search_for.  Update declarations.
9722         * object.cc (make_elf_object): Add punconfigured parameter.
9723         Change all callers.
9724         * object.h (class Object): Make input_file public.  Add
9725         searched_for method.
9726         (make_elf_object): Update declaration.
9727         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9728         restart search.
9729         * dirsearch.h (class Dirsearch): Update declaration.
9730         * options.h (class General_options): Add --warn-search-mismatch.
9731         * parameters.cc (Parameters::is_compatible_target): New function.
9732         * parameters.h (class Parameters): Declare is_compatible_target.
9733         * workqueue.cc (Workqueue::add_blocker): New function.
9734         * workqueue.h (class Workqueue): Declare add_blocker.
9735
9736         * fileread.cc (Input_file::open): Remove options parameter.
9737         Change all callers.
9738         (Input_file::open_binary): Likewise.
9739         * script.cc (read_input_script): Likewise.
9740         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9741         options parameter from constructor.  Change all callers.
9742         (class Read_script): Likewise.
9743         * fileread.h (class Input_file): Update declarations.
9744         * script.h (read_input_script): Update declaration.
9745
9746 2009-03-10  Nick Clifton  <nickc@redhat.com>
9747
9748         * po/es.po: New Spanish translation.
9749
9750 2009-03-06  Cary Coutant  <ccoutant@google.com>
9751
9752         * options.cc (parse_short_option): Keep dash_z from registering itself.
9753
9754 2009-03-03  Ian Lance Taylor  <iant@google.com>
9755
9756         PR 9918
9757         * target-reloc.h (relocate_section): Pass output_section to
9758         relocate.
9759         * i386.cc (Target_i386::should_apply_static_reloc): Add
9760         output_section parameter.  Change all callers.
9761         (Target_i386::Relocate::relocate): Add output_section parameter.
9762         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9763         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9764         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9765         * testsuite/two_file_shared.sh: New script.
9766         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9767         (check_DATA): Add two_file_shared.dbg.
9768         (two_file_shared.dbg): New target.
9769         * testsuite/Makefile.in: Rebuild.
9770
9771 2009-03-01  Ian Lance Taylor  <iant@google.com>
9772
9773         * configure.ac: Check for byteswap.h.
9774         * configure: Rebuild.
9775         * config.in: Rebuild.
9776
9777 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9778
9779         * layout.cc (Layout::find_or_add_kept_section): New function.
9780         (Layout::add_comdat): Removed.
9781         * layout.h (struct Kept_section): Move out of class Layout.
9782         Remove trailing underscores from field names.  Add group_sections
9783         field.  Rename group_ field to is_group.  Change all uses.
9784         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9785         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9786         comdat_groups_ field.
9787         (Sized_relobj::include_section_group): Use
9788         find_or_add_kept_section and Kept_section::group_sections.
9789         (Sized_relobj::include_linkonce_section): Likewise.
9790         * object.cc (class Sized_relobj): Don't define Comdat_group or
9791         Comdat_group_table.  Remove find_comdat_group and
9792         add_comdat_group.  Remove comdat_groups_ field.
9793         * plugin.cc (include_comdat_group): Use
9794         Layout::find_or_add_kept_section.
9795
9796 2009-02-28  Ian Lance Taylor  <iant@google.com>
9797
9798         * README: --gc-sections and map files are now supported.  Document
9799         some build requirements.
9800
9801         PR 6992
9802         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9803         relocatable link set the value of the section symbol to zero.
9804         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9805         relocatable link don't include the section address in the local
9806         symbol value.
9807
9808 2009-02-27  Ian Lance Taylor  <iant@google.com>
9809
9810         PR 6811
9811         * options.h (class Search_directory): Add is_system_directory.
9812         (class General_options): Declare is_in_system_directory.
9813         * options.cc (get_relative_sysroot): Make static.
9814         (get_default_sysroot): Make static.
9815         (General_optoins::is_in_system_directory): New function.
9816         * fileread.cc (Input_file::is_in_system_directory): New function.
9817         * fileread.h (class Input_file): Declare is_in_system_directory.
9818         * object.h (class Object): Add is_in_system_directory.
9819         (class Input_objects): Remove system_library_directory_ field.
9820         * object.cc (Input_objects::add_object): Don't set
9821         system_library_directory_.
9822         (input_objects::found_in_system_library_directory): Remove.
9823         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9824         parameter.  Change all callers.
9825         (Symbol_table::sized_write_globals): Likewise.
9826         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9827         Call Object::is_in_system_directory.
9828         * symtab.h (class Symbol_table): Update declarations.
9829
9830         PR 5990
9831         * descriptors.h (Open_descriptor): Add is_on_stack field.
9832         * descriptors.cc (Descriptors::open): If the descriptor is on the
9833         top of the stack, remove it.  Initialize is_on_stack field.
9834         (Descriptors::release): Only add pod to stack if it is not on the
9835         stack already.
9836         (Descriptors::close_some_descriptor): Clear stack_next and
9837         is_on_stack fields.
9838
9839         PR 7091
9840         * output.cc (Output_section::find_starting_output_address): Rename
9841         from starting_output_address; add PADDR parameter; change return
9842         type.
9843         * output.h (class Output_section): Declare
9844         find_starting_output_address instead of starting_output_address.
9845         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9846         section symbol for which we can't find a merge section.
9847
9848         PR 9836
9849         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9850         hidden or internal, force the symbol to be local.
9851         * resolve.cc (Symbol::override_visibility): Define.
9852         (Symbol::override_base): Use override_visibility.
9853         (Symbol_table::resolve): Likewise.
9854         (Symbol::override_base_with_special): Likewise.
9855         (Symbol_table::override_with_special): If the visibility is hidden
9856         or internal, force the symbol to be local.
9857         * symtab.h (class Symbol): Add set_visibility and
9858         override_visibility.
9859         * testsuite/ver_test_1.sh: New file.
9860         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9861         (check_DATA): Add ver_test_1.syms.
9862         (ver_test_1.syms): New target.
9863         * testsuite/Makefile.in: Rebuild.
9864
9865 2009-02-25  Cary Coutant  <ccoutant@google.com>
9866
9867         * layout.cc (Layout::choose_output_section): Don't rename sections
9868         when using a linker script that has a SECTIONS clause.
9869         * Makefile.in: Regenerate.
9870
9871         * testsuite/Makefile.am (script_test_5.sh): New test case.
9872         * testsuite/Makefile.in: Regenerate.
9873         * testsuite/script_test_5.cc: New file.
9874         * testsuite/script_test_5.sh: New file.
9875         * testsuite/script_test_5.t: New file.
9876
9877 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9878
9879         * archive.cc (Archive::include_member): Update calls to add_symbols.
9880         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9881         the Layout argument.
9882         * dynobj.h (do_add_symbols): Add the Layout argument.
9883         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9884         Layout argument.
9885         * object.h (Object::add_symbols): Add the Layout argument.
9886         (Object::do_add_symbols): Add the Layout argument.
9887         (Sized_relobj::do_add_symbols): Add the Layout argument.
9888         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9889         Unify the two versions.
9890         (Add_plugin_symbols): Remove.
9891         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9892         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9893         (Add_plugin_symbols): Remove.
9894         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9895         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9896         (Add_symbols::run): Make it work with Pulginobj.
9897
9898 2009-02-06  Ian Lance Taylor  <iant@google.com>
9899
9900         * object.cc (Sized_relobj::do_layout): Make info message start
9901         with lower case letter.
9902
9903 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9904
9905         * binary.cc: Fix file comment.
9906
9907         * options.h (enum Incremental_disposition): Define.
9908         (class General_options): Add new options: --incremental,
9909         --incremental_changed, --incremental_unchanged,
9910         --incremental_unknown.  Add incremental_disposition_ and
9911         implicit_incremental_ fields.
9912         (General_options::incremental_disposition): New function.
9913         (class Position_dependent_options): Add incremental_disposition
9914         option.
9915         (Position_dependent_options::copy_from_options): Set incremental
9916         dispositions.
9917         * options.cc (General_options::parse_incremental_changed): New
9918         function.
9919         (General_options::parse_incremental_unchanged): New function.
9920         (General_options::parse_incremental_unknown): New function.
9921         (General_options::General_options): Initialize new fields
9922         incremental_disposition_ and implicit_incremental_.
9923         (General_options::finalize): Check for uasge of --incremental-*
9924         without --incremental.
9925
9926 2009-02-06  Chris Demetriou  <cgd@google.com>
9927
9928         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9929         pointer and to report location as the file name associated with
9930         the symbol.
9931         (gold_undefined_symbol_at_location): New function to replace the
9932         old gold_undefined_symbol functionality.
9933         * target-reloc.h (relocate_section): Update to use
9934         gold_undefined_symbol_at_location.
9935         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9936         Call gold_undefined_symbol function rather than gold_error.
9937         * errors.h (Errors::undefined_symbol): Take location as a
9938         string, rather than calculating it from a relocation.
9939         * errors.cc (Errors::fatal): Print "fatal error:" before the
9940         formatted message.
9941         (Errors::error, Errors::error_at_location): Print "error: "
9942         before the formatted message.
9943         (Errors::undefined_symbol): Take location as a string, rather
9944         than calculating it from a relocation.
9945         (gold_undefined_symbol_at_location): New function akin to
9946         old gold_undefined_symbol, calculates location from relocation.
9947         (gold_undefined_symbol): Change to take only a Symbol pointer
9948         and to report location as the file name associated with the symbol.
9949         * testsuite/debug_msg.sh: Update for changed error messages.
9950         * testsuite/undef_symbol.sh: Likewise.
9951
9952 2009-02-04  Duncan Sands  <baldrick@free.fr>
9953
9954         PR 9812
9955         * reduced_debug_output.h
9956         (Output_reduced_debug_abbrev_section::failed): Use format for
9957         gold_warning.
9958         (Output_reduced_debug_info_section::faild): Likewise.
9959
9960 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9961
9962         * script.cc (Lazy_demangler): New class.
9963         (Version_script_info::get_symbol_version_helper): Demangle a
9964         symbol only once.
9965
9966 2009-01-29  Cary Coutant  <ccoutant@google.com>
9967
9968         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9969         to __tls_get_addr.
9970         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9971
9972 2009-01-28  Ian Lance Taylor  <iant@google.com>
9973
9974         * version.cc (version_string): Bump to 1.9.
9975
9976         * gold.h: Include <cstring> and <stdint.h>.
9977         * version.cc: Include <cstdio>.
9978         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9979         warning.
9980         * reduced_debug_output.cc (insert_into_vector): Rename from
9981         Insert_into_vector; change all callers.  Use Swap_unaligned to
9982         avoid aliasing issue; remove union since it is unnecessary.
9983
9984 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9985
9986         * Makefile.am (CCFILES): Add gc.cc.
9987         (HFILES): Add gc.h.
9988         * Makefile.in: Regenerate.
9989         * gold.cc (Gc_runner): New class.
9990         (queue_initial_tasks): Call garbage collection related tasks
9991         when corresponding options are invoked.
9992         (queue_middle_gc_tasks): New function.
9993         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9994         processed early before laying out sections during garbage collection.
9995         * gold.h (queue_middle_gc_tasks): New function.
9996         (is_prefix_of): Move from "layout.cc".
9997         * i386.cc (Target_i386::gc_process_relocs): New function.
9998         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9999         * main.cc (main): Create object of class "Garbage_collection".
10000         * object.cc (Relobj::copy_symbols_data): New function.
10001         (Relobj::is_section_name_included): New function.
10002         (Sized_relobj::do_layout): Allow this function to be called twice
10003         during garbage collection and defer layout of section during the
10004         first call.
10005         * object.h (Relobj::get_symbols_data): New function.
10006         (Relobj::is_section_name_included): New function.
10007         (Relobj::copy_symbols_data): New function.
10008         (Relobj::set_symbols_data): New function.
10009         (Relobj::get_relocs_data): New function.
10010         (Relobj::set_relocs_data): New function.
10011         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10012         (Relobj::gc_process_relocs): New function.
10013         (Relobj::do_gc_process_relocs): New pure virtual function.
10014         (Relobj::sd_): New data member.
10015         (Sized_relobj::is_output_section_offset_invalid): New function.
10016         (Sized_relobj::do_gc_process_relocs): New function.
10017         * options.h (General_options::gc_sections): Modify to not be a no-op.
10018         (General_options::print_gc_sections): New option.
10019         * plugin.cc (Plugin_finish::run): Remove function call to
10020         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10021         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10022         * reloc.cc (Read_relocs::run): Add task to process relocs and
10023         determine unreferenced sections when doing garbage collection.
10024         (Gc_process_relocs): New class.
10025         (Sized_relobj::do_gc_process_relocs): New function.
10026         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10027         sections that are garbage collected.
10028         * reloc.h (Gc_process_relocs): New class.
10029         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10030         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10031         symbols whose corresponding sections are garbage collected.
10032         (Symbol_table::Symbol_table): Add new parameter for the garbage
10033         collection object.
10034         (Symbol_table::gc_mark_undef_symbols): New function.
10035         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10036         (Symbol_table::gc_mark_dyn_syms): New function.
10037         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10038         as garbage.
10039         (Symbol_table::add_from_object): Likewise.
10040         (Symbol_table::add_from_relobj): When building shared objects, do not
10041         treat externally visible symbols as garbage.
10042         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10043         table information for static and relocatable links.
10044         * symtab.h (Symbol_table::set_gc): New function.
10045         (Symbol_table::gc): New function.
10046         (Symbol_table::gc_mark_undef_symbols): New function.
10047         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10048         (Symbol_table::gc_mark_dyn_syms): New function.
10049         (Symbol_table::gc_): New data member.
10050         * target.h (Sized_target::gc_process_relocs): New pure virtual
10051         function.
10052         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10053         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10054
10055 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10056
10057         * options.h (General_options::gc_sections): Define as a no-op for now.
10058         (General_options::no_keep_memory): Ditto.
10059         (General_options::Bshareable): Define.
10060         * options.cc (General_options::finalize): Honor -Bshareable.
10061
10062 2009-01-20  Andreas Schwab  <schwab@suse.de>
10063
10064         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10065         read the value in the contents, since we don't use it.  Use the
10066         template endianness when writing.
10067         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10068
10069 2009-01-19  Andreas Schwab  <schwab@suse.de>
10070
10071         * configure.tgt (powerpc64-*): Fix targ_obj.
10072
10073 2009-01-15  Ian Lance Taylor  <iant@google.com>
10074
10075         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10076         local symbols when stripping all symbols.
10077
10078 2009-01-14  Cary Coutant  <ccoutant@google.com>
10079
10080         * output.cc (Output_reloc): Add explicit instantiations.
10081
10082 2009-01-14  Cary Coutant  <ccoutant@google.com>
10083
10084         * archive.cc (Archive::get_elf_object_for_member): Remove call
10085         to File_read::claim_for_plugin.
10086         * descriptors.cc (Descriptors::open): Remove reference to
10087         is_claimed.
10088         (Descriptors::claim_for_plugin): Remove.
10089         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10090         (Descriptors::is_claimed): Remove.
10091         (claim_descriptor_for_plugin): Remove.
10092         * fileread.cc (File_read::claim_for_plugin): Remove.
10093         * fileread.h (File_read::claim_for_plugin): Remove.
10094         (File_read::descriptor): Reopen descriptor if necessary.
10095         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10096         (Plugin_manager::all_symbols_read): Add task parameter. Change
10097         all callers.
10098         (Plugin_manager::get_input_file): New function.
10099         (Plugin_manager::release_input_file): New function.
10100         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10101         corresponding data member.
10102         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10103         and pass to base constructor. Change all callers.
10104         (get_input_file, release_input_file): New functions.
10105         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10106         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10107         (Plugin_manager::all_symbols_read): Add task parameter.
10108         (Plugin_manager::get_input_file): New function.
10109         (Plugin_manager::release_input_file): New function.
10110         (Plugin_manager::task_): New data member.
10111         (Pluginobj::Pluginobj): Add filesize parameter.
10112         (Pluginobj::filename): New function.
10113         (Pluginobj::descriptor): New function.
10114         (Pluginobj::filesize): New function.
10115         (Pluginobj::filesize_): New data member.
10116         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10117         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10118         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10119
10120         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10121         with archive libraries.
10122         * testsuite/Makefile.in: Regenerate.
10123         * testsuite/plugin_test.c (struct sym_info): New type.
10124         (get_input_file, release_input_file): New static variables.
10125         (onload): Capture new transfer vector entries.
10126         (claim_file_hook): Stop reading at end of file according to filesize.
10127         Factor out parsing of readelf output into separate function.
10128         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10129         APIs and get the source file name from the symbol table.  Convert
10130         source file name to corresponding object file name.  Print info
10131         message when adding new input files.
10132         (parse_readelf_line): New function.
10133         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10134         * testsuite/plugin_test_2.sh: Likewise.
10135         * testsuite/plugin_test_3.sh: Likewise.
10136         * testsuite/plugin_test_4.sh: New test case.
10137
10138 2009-01-07  Ian Lance Taylor  <iant@google.com>
10139
10140         * version.cc (version_string): Bump to 1.8.
10141
10142 2008-12-23  Cary Coutant  <ccoutant@google.com>
10143
10144         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10145         * plugin.cc (Plugin_manager::finish): Rename as
10146         layout_deferred_objects.  Move cleanup to separate function.
10147         (Plugin_manager::cleanup): New function.
10148         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10149         separately.
10150         * plugin.h (Plugin_manager::finish): Rename as
10151         layout_deferred_objects.
10152         (Plugin_manager::cleanup): New function.
10153         (Plugin_manager::cleanup_done): New field.
10154
10155 2008-12-23  Cary Coutant  <ccoutant@google.com>
10156
10157         * plugin.cc (is_visible_from_outside): New function.
10158         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10159         so we don't return "IR only" status for exported symbols or -r links.
10160
10161         * testsuite/Makefile.am (plugin_test_3): New test case.
10162         * testsuite/Makefile.in: Regenerate.
10163         * testsuite/plugin_test_3.sh: New file.
10164
10165 2008-12-22  Cary Coutant  <ccoutant@google.com>
10166
10167         * object.cc (Sized_relobj::layout_section): New function.
10168         (Sized_relobj::do_layout): Defer layout of input sections until after
10169         plugin has provided replacement files.
10170         (Sized_relobj::do_layout_deferred_sections): New function.
10171         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10172         (Relobj::layout_deferred_sections): New function.
10173         (Relobj::do_layout_deferred_sections): New function.
10174         (Sized_relobj::do_layout_deferred_sections): New function.
10175         (Sized_relobj::layout_section): New function.
10176         (Sized_relobj::Deferred_layout): New structure.
10177         (Sized_relobj::deferred_layout_): New field.
10178         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10179         Change all callers.  Layout deferred sections.
10180         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10181         references.
10182         (Plugin_hook::run): Move code from do_plugin_hook inline.
10183         (Plugin_hook::do_plugin_hook): Remove.
10184         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10185         (Plugin_manager::finish): Renamed, was cleanup.
10186         (Plugin_manager::should_defer_layout): New function.
10187         (Plugin_manager::add_deferred_layout_object): New function.
10188         (Plugin_manager::Deferred_layout_list): New type.
10189         (Plugin_manager::deferred_layout_objects_): New field.
10190         (Plugin_hook::do_plugin_hook): Remove.
10191
10192 2008-12-17  Ian Lance Taylor  <iant@google.com>
10193
10194         * options.h (class General_options): Add --no case for
10195         --export-dynamic.
10196
10197 2008-12-16  Cary Coutant  <ccoutant@google.com>
10198
10199         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10200         vector.
10201         (Plugin_manager::claim_file): Create plugin object even if
10202         plugin did not call the add_symbols callback.
10203         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10204         asking for more symbols than were added.
10205         * testsuite/Makefile.am (plugin_test_1): Add test case with
10206         no global symbols.
10207         (empty.syms): New target.
10208         * testsuite/Makefile.in: Regenerate.
10209         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10210         message. Don't call add_symbols if no globals.
10211         (all_symbols_read_hook): Don't provide replacement for empty
10212         claimed file.
10213
10214 2008-12-12  Ian Lance Taylor  <iant@google.com>
10215
10216         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10217         r_type == 0 for a local symbol with r_sym == 0.
10218         (scan_relocatable_relocs): Pass r_sym to
10219         local_non_section_strategy.
10220         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10221         r_sym parameter.
10222
10223         * configure.ac: Update test for TLS descriptors: they are
10224         supported as of glibc 2.9.
10225         * configure: Rebuild.
10226
10227 2008-12-11  Ian Lance Taylor  <iant@google.com>
10228
10229         PR 7091
10230         * target-reloc.h (Default_scan_relocatable_relocs): For each
10231         function, map r_type == 0 to RELOC_DISCARD.
10232
10233 2008-12-10  Cary Coutant  <ccoutant@google.com>
10234
10235         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10236         object to override a kept COMDAT group from a plugin object.
10237
10238 2008-12-09  Ian Lance Taylor  <iant@google.com>
10239
10240         PR 7088
10241         * yyscript.y (file_cmd): Handle INPUT.
10242
10243         * testsuite/initpri1.c: Change all declarations to be full
10244         prototypes by adding void, to avoid compiler warnings.
10245
10246 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10247
10248         * options.cc (General_options::parse_plugin_opt): New.
10249         (General_options::add_plugin): The argument now is just the filename.
10250         (General_options::add_plugin_option): New.
10251         * options.h (plugin_opt): New.
10252         (add_plugin): Change argument name.
10253         (add_plugin_option): New.
10254         * plugin.cc (Plugin::load): Don't parse the plugin option.
10255         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10256         (Plugin::add_option): New.
10257         (Plugin::args_): Change type.
10258         (Plugin::filename_): New.
10259         (Plugin_manager::add_plugin_option): New.
10260         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10261         * testsuite/Makefile.in: Regenerate.
10262
10263 2008-12-05  Cary Coutant  <ccoutant@google.com>
10264
10265         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10266         Handle --strip-lto-sections option.
10267         * options.h (strip_lto_sections): New option.
10268
10269 2008-12-01  Cary Coutant  <ccoutant@google.com>
10270
10271         * plugin.cc (ld_plugin_message): Change format parameter to const.
10272         Fix mismatch between new[] and delete.
10273
10274 2008-11-14  Cary Coutant  <ccoutant@google.com>
10275
10276         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10277         instead of -1U.
10278
10279 2008-11-05  Craig Silverstein  <csilvers@google.com>
10280
10281         * options.cc (General_options::parse_dynamic_list): New function.
10282         * options.h (General_options): New flags dynamic_list,
10283         dynamic_list_data, dynamic_list_cpp_new, and
10284         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10285         (General_options::in_dynamic_list): New function.
10286         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10287         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10288         (Lex::can_continue_name): Likewise.
10289         (yylex): Likewise.
10290         (read_script_file): New parameter script_options.
10291         (read_dynamic_list): New function.
10292         (Script_options::define_dynamic_list): New function.
10293         (dynamic_list_keyword_parsecodes): New variable.
10294         (dynamic_list_keywords): New variable.
10295         * script.h (Script_options::define_dynamic_list): New function
10296         prototype.
10297         (read_dynamic_list): New function prototype.
10298         * symtab.cc (strprefix): New macro.
10299         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10300         dynamic_list_data, dynamic_list_cpp_new, and
10301         dynamic_list_cpp_typeinfo.
10302         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10303         (dynamic_list_expr): New rule.
10304         (dynamic_list_nodes): Likewise.
10305         (dynamic_list_node): Likewise.
10306         * testsuite/Makefile.am (dynamic_list): New test.
10307         * testsuite/Makefile.in: Regenerated.
10308         * testsuite/dynamic_list.t: New file.
10309         * testsuite/dynamic_list.sh: New file.
10310
10311 2008-11-05  Craig Silverstein  <csilvers@google.com>
10312
10313         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10314         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10315         (t11_last): Likewise.
10316         * testsuite/ver_test_6.c (main): Likewise.
10317
10318 2008-10-07  Cary Coutant  <ccoutant@google.com>
10319
10320         * options.c (General_options::finalize): Add check for -static and
10321         -shared.
10322         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10323         is not empty.
10324
10325 2008-10-02  Cary Coutant  <ccoutant@google.com>
10326
10327         * plugin.cc (make_sized_plugin_object): Fix conditional
10328         compilation to work when not all targets are enabled.
10329
10330 2008-09-29  Cary Coutant  <ccoutant@google.com>
10331
10332         * archive.cc (Archive::get_file_and_offset): Use filename instead
10333         of name to get library path.
10334         (Archive::include_member): Unlock external member of a thin archive.
10335
10336         * testsuite/Makefile.am (TEST_AR): New variable.
10337         (thin_archive_test_1): New test.
10338         (thin_archive_test_2): New test.
10339         * testsuite/Makefile.in: Regenerate.
10340         * testsuite/thin_archive_main.cc: New file.
10341         * testsuite/thin_archive_test_1.cc: New file.
10342         * testsuite/thin_archive_test_2.cc: New file.
10343         * testsuite/thin_archive_test_3.cc: New file.
10344         * testsuite/thin_archive_test_4.cc: New file.
10345
10346 2008-09-29  Cary Coutant  <ccoutant@google.com>
10347
10348         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10349         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10350         instead of -1U.
10351         (Sized_relobj::do_finalize_local_symbols): Likewise.
10352         (Sized_relobj::map_to_kept_section): Likewise.
10353         * object.h (Sized_relobj::invalid_address): New constant.
10354         (Sized_relobj::do_output_section_offset): Check for invalid_address
10355         and return -1ULL.
10356         * output.cc (Output_reloc::local_section_offset): Use constant
10357         invalid_address instead of -1U.
10358         (Output_reloc::get_address): Likewise.
10359         (Output_section::output_address): Change -1U to -1ULL.
10360         * output.h (Output_reloc::invalid_address): New constant.
10361         * reloc.cc (Sized_relobj::write_sections): Use constant
10362         invalid_address instead of -1U.
10363         (Sized_relobj::relocate_sections): Likewise.
10364         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10365         values for merge sections.
10366         * target-reloc.h (relocate_for_relocatable): Use constant
10367         invalid_address instead of -1U.
10368
10369 2008-09-19  Cary Coutant  <ccoutant@google.com>
10370
10371         Add plugin functionality for link-time optimization (LTO).
10372         * configure.ac (plugins): Add --enable-plugins option.
10373         * configure: Regenerate.
10374         * config.in: Regenerate.
10375         * Makefile.am (LIBDL): New variable.
10376         (CCFILES): Add plugin.cc.
10377         (HFILES): Add plugin.h.
10378         (ldadd_var): Add LIBDL.
10379         * Makefile.in: Regenerate.
10380
10381         * archive.cc: Include "plugin.h".
10382         (Archive::setup): Don't preread archive symbols when using a plugin.
10383         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10384         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10385         files.
10386         (Archive::include_member): Add symbols from plugin objects.
10387         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10388         * descriptors.cc (Descriptors::open): Check for file descriptors
10389         abandoned by plugins.
10390         (Descriptors::claim_for_plugin): New function.
10391         * descriptors.h (Descriptors::claim_for_plugin): New function.
10392         (Open_descriptor::is_claimed): New field.
10393         (claim_descriptor_for_plugin): New function.
10394         * fileread.cc (File_read::claim_for_plugin): New function.
10395         * fileread.h (File_read::claim_for_plugin): New function.
10396         (File_read::descriptor): New function.
10397         * gold.cc: Include "plugin.h".
10398         (queue_initial_tasks): Add task to call plugin hooks for generating
10399         new object files.
10400         * main.cc: Include "plugin.h".
10401         (main): Load plugin libraries.
10402         * object.h (Pluginobj): Declare.
10403         (Object::pluginobj): New function.
10404         (Object::do_pluginobj): New function.
10405         (Object::set_target): New function.
10406         * options.cc: Include "plugin.h".
10407         (General_options::parse_plugin): New function.
10408         (General_options::General_options): Initialize plugins_ field.
10409         (General_options::add_plugin): New function.
10410         * options.h (Plugin_manager): Declare.
10411         (General_options): Add --plugin option.
10412         (General_options::has_plugins): New function.
10413         (General_options::plugins): New function.
10414         (General_options::add_plugin): New function.
10415         (General_options::plugins_): New field.
10416         * plugin.cc: New file.
10417         * plugin.h: New file.
10418         * readsyms.cc: Include "plugin.h".
10419         (Read_symbols::do_read_symbols): Check for archive before checking
10420         for ELF file.  Call plugin hooks to claim files.
10421         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10422         from a real object file; force override when processing replacement
10423         files.
10424         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10425         (Symbol::init_base_object): Likewise.
10426         (Symbol::init_base_output_data): Likewise.
10427         (Symbol::init_base_output_segment): Likewise.
10428         (Symbol::init_base_constant): Likewise.
10429         (Symbol::init_base_undefined): Likewise.
10430         (Symbol::output_section): Assert that object is not a plugin.
10431         (Symbol_table::add_from_pluginobj): New function.
10432         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10433         undefined.
10434         (Symbol_table::sized_write_globals): Likewise.
10435         (Symbol_table::add_from_pluginobj): Instantiate template.
10436         * symtab.h (Sized_pluginobj): Declare.
10437         (Symbol::in_real_elf): New function.
10438         (Symbol::set_in_real_elf): New function.
10439         (Symbol::in_real_elf_): New field.
10440         (Symbol_table::add_from_pluginobj): New function.
10441
10442         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10443         (LIBDL): New variable.
10444         (LDADD): Add LIBDL.
10445         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10446         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10447         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10448         (MOSTLYCLEANFILES): Likewise.
10449         * testsuite/Makefile.in: Regenerate.
10450         * testsuite/plugin_test.c: New file.
10451         * testsuite/plugin_test_1.sh: New file.
10452         * testsuite/plugin_test_2.sh: New file.
10453
10454 2008-09-16  Ian Lance Taylor  <iant@google.com>
10455
10456         * target-reloc.h (relocate_section): Check whether a symbol is
10457         defined by the ABI before reporting an undefined symbol error.
10458         * target.h (Target::is_defined_by_abi): Make parameter const.
10459         (Target::do_is_defined_by_abi): Likewise.
10460         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10461         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10462         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10463         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10464         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10465         * testsuite/Makefile.in: Rebuild.
10466
10467         * fileread.cc (make_view): Add casts to avoid warning.
10468
10469 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10470
10471         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10472         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10473
10474 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10475
10476         * options.h (General_options::output_is_executable): New.
10477         (General_options::output_is_pie): New.
10478         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10479         for shared libraries.
10480         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10481
10482 2008-09-11  Chris Demetriou  <cgd@google.com>
10483
10484         * options.h (origin): New -z option.
10485         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10486         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10487         in DT_FLAGS_1.
10488
10489 2008-09-05  Cary Coutant  <ccoutant@google.com>
10490
10491         * fileread.cc (File_read::make_view): Add check for attempt to map
10492         beyond end of file.
10493
10494 2008-09-05  Cary Coutant  <ccoutant@google.com>
10495
10496         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10497         explicit instantiations.
10498
10499 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10500
10501         PR gold/6858
10502         * options.cc (General_options::finalize): Allow undefined symbols
10503         in shlibs if linking -shared.
10504
10505         PR gold/6859
10506         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10507         symbols as not needing a dynsym entry.
10508
10509 2008-08-20  Craig Silverstein  <csilvers@google.com>
10510
10511         * fileread.cc (File_read::open): Do not lock the file unless it
10512         was successfully opened.
10513
10514 2008-08-14  Cary Coutant  <ccoutant@google.com>
10515
10516         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10517         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10518         * testsuite/tls_test.cc (struct int128): 128-bit struct
10519         for testing TLS relocs with non-zero addend.
10520         (v12): New TLS variable.
10521         (t12): New test.
10522         (t_last): Add check for v12.
10523         * testsuite/tls_test.h (t12): New function.
10524         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10525
10526 2008-08-13  Ian Lance Taylor  <iant@google.com>
10527
10528         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10529         set tls_segment_ or relro_segment_.
10530         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10531         when appropriate.
10532         * output.h (Output_section::clear_is_relro): New function.
10533         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10534         sections specially even when output_data_ is empty.
10535         (Output_segment::maximum_alignment): When first section is relro,
10536         only force alignment for PT_LOAD segments.
10537         * script.cc (script_data_segment_align): New function.
10538         (script_data_segment_relro_end): New function.
10539         * script-c.h (script_data_segment_align): Declare.
10540         (script_data_segment_relro_end): Declare.
10541         * script-sections.h (class Script_sections): Declare
10542         data_segment_align and data_segment_relro_end.  Add fields
10543         segment_align_index_ and saw_relro_end_.
10544         * script-sections.cc (class Sections_element): Add set_is_relro
10545         virtual function.  Add new bool* parameter to place_orphan_here.
10546         Add get_output_section virtual function.
10547         (class Output_section_definition): Add set_is_relro.  Add new
10548         bool* parameter to place_orphan_here.  Add get_output_section.
10549         Add is_relro_ field.
10550         (Output_section_definition::Output_section_definition): Initialize
10551         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10552         and is_relro_ fields.
10553         (Output_section_definition::place_orphan_here): Add is_relro
10554         parameter.
10555         (Output_section_definition::set_section_addresses): Set relro for
10556         output section.
10557         (Output_section_definition::alternate_constraint): Likewise.
10558         (class Orphan_output_section): Add new bool* parameter to
10559         place_orphan_here.  Add get_output_section.
10560         (Orphan_output_section::place_orphan_here): Add is_relro
10561         parameter.
10562         (Script_sections::Script_sections): Initialize
10563         data_segment_align_index_ and saw_relro_end_.
10564         (Script_sections::data_segment_align): New function.
10565         (Script_sections::data_segment_relro_end): New function.
10566         (Script_sections::place_orphan): Set or clear is_relro.
10567         (Script_sections::set_section_addresses): Force alignment of first
10568         TLS section.
10569         * yyscript.y (exp): Call script_data_segment_align and
10570         script_data_segment_relro_end.
10571         * testsuite/relro_script_test.t: New file.
10572         * testsuite/relro_test.cc (using_script): Declare.
10573         (t1, t2): Test using_script.
10574         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10575         (relro_script_test_SOURCES): Define.
10576         (relro_script_test_DEPENDENCIES): Define.
10577         (relro_script_test_LDFLAGS): Define.
10578         (relro_script_test_LDADD): Define.
10579         (relro_script_test.so): New target.
10580         * testsuite/Makefile.in: Rebuild.
10581
10582 2008-08-06  Cary Coutant <ccoutant@google.com>
10583
10584         * archive.cc (Archive::total_archives, Archive::total_members)
10585         (Archive::total_members_loaded): New variables.
10586         (Archive::setup): Add parameter.  Add option to preread
10587         archive symbols.
10588         (Archive::read_armap): Add counter.
10589         (Archive::get_file_and_offset): New function.
10590         (Archive::get_elf_object_for_member): New function.
10591         (Archive::read_all_symbols): New function.
10592         (Archive::read_symbols): New function.
10593         (Archive::add_symbols): Add counters.
10594         (Archive::include_all_members): Use armap to find members if it's
10595         already built.
10596         (Archive::include_member): Skip reading symbols if already read.
10597         Factored code into Archive::get_file_and_offset and
10598         Archive::get_elf_object_for_member.  Changed call to
10599         Mapfile::report_include_archive_member.
10600         (Archive::print_stats): New function.
10601         * archive.h: Declare Object and Read_symbols_data classes.
10602         (Archive::Archive): Add initializers for new members.
10603         (Archive::setup): Add parameter.
10604         (Archive::print_stats): New function.
10605         (Archive::total_archives, Archive::total_members)
10606         (Archive::total_members_loaded): New variables.
10607         (Archive::get_file_and_offset): New function.
10608         (Archive::get_elf_object_for_member): New function.
10609         (Archive::read_all_symbols): New function.
10610         (Archive::read_symbols): New function.
10611         (Archive::Archive_member): New class.
10612         (Archive::members_): New member.
10613         (Archive::num_members_): New member.
10614         * main.cc: Include archive.h.
10615         (main): Call Archive::print_stats.
10616         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10617         archive parameter; member_name is now the fully-decorated name.
10618         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10619         * options.h: (General_options): Add --preread-archive-symbols option.
10620         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10621         Archive::setup.
10622
10623 2008-08-04  Ian Lance Taylor  <iant@google.com>
10624
10625         * symtab.h (Symbol::use_plt_offset): New function.
10626         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10627         * powerpc.cc (Relocate::relocate): Likewise.
10628         * sparc.cc (Relocate::relocate): Likewise.
10629         * x86_64.cc (Relocate::relocate): Likewise.
10630         * testsuite/weak_plt.sh: New test.
10631         * testsuite/weak_plt_main.cc: New test.
10632         * testsuite/weak_plt_shared.cc: New test.
10633         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10634         (check_PROGRAMS): Add weak_plt.
10635         (check_DATA): Add weak_plt_shared.so.
10636         (weak_plt_main_pic.o, weak_plt): New targets.
10637         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10638         * testsuite/Makefile.in: Rebuild.
10639
10640         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10641         gcctestdir/ld.
10642         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10643         * testsuite/Makefile.in: Rebuild.
10644
10645 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10646
10647         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10648         * Makefile.in: Regenerate.
10649         * po/POTFILES.in: Regenerate.
10650
10651 2008-07-29  Ian Lance Taylor  <iant@google.com>
10652
10653         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10654         symbols before other symbols.
10655         * testsuite/script_test_2.cc (test_addr): Declare.
10656         (test_addr_alias): Declare.
10657         (main): Check that test_addr and test_addr_alias have the right
10658         values.
10659         * testsuite/script_test_2.t: Define test_addr_alias and
10660         test_addr.
10661
10662 2008-07-24  Ian Lance Taylor  <iant@google.com>
10663
10664         PR 5990
10665         * descriptors.cc: New file.
10666         * descriptors.h: New file.
10667         * gold-threads.h (class Hold_optional_lock): New class.
10668         * fileread.cc: Include "descriptors.h".
10669         (File_read::~File_read): Release descriptor rather than closing
10670         it.
10671         (File_read::open) [file]: Call open_descriptor rather than open.
10672         Set is_descriptor_opened_.
10673         (File_read::open) [memory]: Assert that descriptor is not open.
10674         (File_read::reopen_descriptor): New function.
10675         (File_read::release): Release descriptor.
10676         (File_read::do_read): Make non-const.  Reopen descriptor.
10677         (File_read::read): Make non-const.
10678         (File_read::make_view): Reopen descriptor.
10679         (File_read::do_readv): Likewise.
10680         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10681         Update declarations.
10682         * layout.cc: Include "descriptors.h".
10683         (Layout::create_build_id): Use open_descriptor rather than open.
10684         * output.cc: Include "descriptors.h".
10685         (Output_file::open): Use open_descriptor rather than open.
10686         * archive.cc (Archive::const_iterator): Change Archive to be
10687         non-const.
10688         (Archive::begin, Archive::end): Make non-const.
10689         (Archive::count_members): Likewise.
10690         * archive.h (class Archive): Update declarations.
10691         * object.h (Object::read): Make non-const.
10692         * Makefile.am (CCFILES): Add descriptors.cc.
10693         (HFILES): Add descriptors.h.
10694         * Makefile.in: Rebuild.
10695
10696         PR 6716
10697         * gold.h: Always include <clocale>.  Add Solaris workarounds
10698         following code in binutils/sysdep.h.
10699
10700         PR 6048
10701         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10702         this->eh_frame_hdr_ is NULL before using it.
10703
10704         * dynobj.cc (Versions::Versions): Update comment.
10705
10706         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10707         the base version name.
10708
10709         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10710         array size plus one.
10711         (Stringpool_template::set_string_offsets): Subtract one from key
10712         before using it as an array index.
10713         (Stringpool_template::get_offset_with_length): Likewise.
10714         (Stringpool_template::write_to_buffer): Likewise.
10715         * stringpool.h (Stringpool_template::get_offset_from_key):
10716         Likewise.
10717
10718 2008-07-23  Ian Lance Taylor  <iant@google.com>
10719
10720         PR 6658
10721         * object.h (Merged_symbol_value::value): Do our best to handle a
10722         negative addend.
10723
10724         PR 6647
10725         * script.cc (Version_script_info::get_versions): Don't add empty
10726         version tag to return value.
10727         (Version_script_info::get_symbol_version_helper): Change return
10728         type to bool.  Add pversion parameter.  Change all callers.
10729         (script_register_vers_node): Don't require a non-NULL tag.
10730         * script.h (class Version_script_info): Update declarations.
10731         (Version_script_info::get_symbol_version): Change return type to
10732         bool.  Add version parameter.  Change all callers.
10733         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10734         handling.  Handle an empty version from a version script.
10735         (Symbol_table::define_special_symbol): Likewise.
10736         * testsuite/ver_test_10.script: New file.
10737         * testsuite/ver_test_10.sh: New file.
10738         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10739         (check_DATA): Add ver_test_10.syms.
10740         (ver_test_10.syms, ver_test_10.so): New target.
10741         * testsuite/Makefile.in: Rebuild.
10742
10743 2008-07-23  Simon Baldwin  <simonb@google.com>
10744
10745         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10746         to zero for undefined symbols from dynamic libraries.
10747
10748 2008-07-23  Ian Lance Taylor  <iant@google.com>
10749
10750         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10751         Change all callers.
10752         * symtab.h (class Symbol_table): Update declaration.
10753         * testsuite/ver_test_9.cc: New file.
10754         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10755         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10756         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10757         (ver_test_9.so, ver_test_9.o): New targets.
10758         * testsuite/Makefile.in: Rebuild.
10759
10760 2008-07-22  Ian Lance Taylor  <iant@google.com>
10761
10762         * options.h (class General_options): Define --check-sections.
10763         * layout.cc (Layout::set_segment_offsets): Handle
10764         --check-sections.
10765
10766         * options.h (class General_options): Define -n/--nmagic and
10767         -N/--omagic.
10768         * options.cc (General_options::finalize): For -n/--nmagic or
10769         -N/--omagic, set -static.
10770         * layout.cc (Layout::attach_allocated_section_to_segment): If
10771         -N/--omagic, don't put read-only and read-write sections in
10772         different segments.
10773         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10774         finding a read-only segment.
10775         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10776         don't set the minimum segment alignment to the common page size,
10777         and don't set the file offset to the address modulo the page size.
10778         * script-sections.cc (Script_sections::create_segments): If
10779         -n/--omagic, don't put read-only and read-write sections in
10780         different segments.
10781
10782         * cref.cc: New file.
10783         * cref.h: New file.
10784         * options.h (class General_options): Add --print-symbol-counts.
10785         * main.cc (main): Issue defined symbol report if requested.
10786         * archive.cc (Archive::interpret_header): Make into a const member
10787         function.
10788         (Archive::add_symbols): Call Input_objects::archive_start and
10789         archive_stop.
10790         (Archive::const_iterator): Define new class.
10791         (Archive::begin, Archive::end): New functions.
10792         (Archive::include_all_members): Rewrite to use iterator.
10793         (Archive::count_members): New function.
10794         * archive.h (class Archive): Update declarations.
10795         (Archive::filename): New function.
10796         * object.cc: Include "cref.h".
10797         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10798         (Sized_relobj::do_get_global_symbol_counts): New function.
10799         (Input_objects::add_object): Add object to cross-referencer.
10800         (Input_objects::archive_start): New function.
10801         (Input_objects::archive_stop): New function.
10802         (Input_objects::print_symbol_counts): New function.
10803         * object.h: Declare Cref and Archive.
10804         (Object::get_global_symbol_counts): New function.
10805         (Object::do_get_global_symbol_counts): New pure virtual function.
10806         (class Sized_relobj): Add defined_count_ field.  Update
10807         declarations.
10808         (class Input_objects): Add cref_ field.  Update constructor.
10809         Update declarations.
10810         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10811         defined_count_.
10812         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10813         symbol counts.
10814         (Sized_dynobj::do_get_global_symbol_counts): New function.
10815         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10816         defined_count_.  Update declarations.  Define Symbols typedef.
10817         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10818         parameter.  Change all callers.
10819         (Symbol_table::add_from_dynobj): Add sympointers and defined
10820         parameters.  Change all callers.
10821         * symtab.h (class Symbol_table): Update declarations.
10822         * Makefile.am (CCFILES): Add cref.cc.
10823         (HFILES): Add cref.h.
10824         * Makefile.in: Rebuild.
10825
10826 2008-07-22  Simon Baldwin  <simonb@google.com>
10827
10828         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10829         to zero when writing undefined symbols.
10830
10831 2008-07-22  Ian Lance Taylor  <iant@google.com>
10832
10833         * output.cc (Output_section::add_input_section): Don't try to
10834         merge empty merge sections.
10835
10836 2008-07-21  Craig Silverstein  <csilvers@google.com>
10837
10838         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10839         Include symbol version in error message.
10840
10841 2008-07-20  Chris Demetriou  <cgd@google.com>
10842
10843         * configure.ac (gold_cv_c_random_seed): New configured variable.
10844         (RANDOM_SEED_CFLAGS): New substituted variable.
10845         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10846         * configure: Rebuild.
10847         * Makefile.in: Likewise.
10848         * testsuite/Makefile.in: Likewise.
10849
10850 2008-07-18  Ian Lance Taylor  <iant@google.com>
10851
10852         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10853         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10854         * testsuite/ver_test_main.cc (main): Call t4.
10855         (t4, t4_2a): Define.
10856         * testsuite/ver_test_2.cc (t4_2): Define.
10857         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10858         * testsuite/ver_test_4.cc (t4_2a): Define.
10859         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10860         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10861
10862 2008-07-17  Ian Lance Taylor  <iant@google.com>
10863
10864         * dynobj.cc (Versions::add_def): If we give an error about a
10865         missing version, go ahead and create the version anyhow.
10866
10867 2008-07-10  Ian Lance Taylor  <iant@google.com>
10868
10869         Handle output sections with more than 0x7fffffff bytes.
10870         * object.h (class Relobj): Change map_to_output_ to
10871         output_sections_, and just keep a section pointer.  Change all
10872         uses.  Move comdat group support to Sized_relobj.
10873         (Relobj::is_section_specially_mapped): Remove.
10874         (Relobj::output_section): Remove poff parameter.  Change all
10875         callers.
10876         (Relobj::output_section_offset): New function.
10877         (Relobj::set_section_offset): Rewrite.
10878         (Relobj::map_to_output): Remove.
10879         (Relobj::output_sections): New function.
10880         (Relobj::do_output_section_offset): New pure virtual function.
10881         (Relobj::do_set_section_offset): Likewise.
10882         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10883         group support from Relobj.  Update declarations.
10884         (Sized_relobj::get_output_section_offset): New function.
10885         (Sized_relobj::do_output_section_offset): New function.
10886         (Sized_relobj::do_set_section_offset): New function.
10887         * object.cc (Relobj::output_section_address): Remove.
10888         (Sized_relobj::Sized_relobj): Initialize new fields.
10889         (Sized_relobj::include_section_group): Cast find_kept_object to
10890         Sized_relobj.
10891         (Sized_relobj::include_linkonce_section): Likewise.
10892         (Sized_relobj::do_layout): Use separate arrays for output section
10893         and output offset.
10894         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10895         output_sections.
10896         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10897         output_sections and section_offsets.
10898         (Sized_relobj::write_local_symbols): Likewise.
10899         (map_to_kept_section): Compute output address directly.
10900         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10901         output_sections and section_offsets.
10902         (Sized_relobj::write_sections): Likewise.
10903         (Sized_relobj::relocate_sections): Likewise.
10904         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10905         * output.h (class Output_reloc): Update declarations.  Change
10906         u2_.relobj to Sized_relobj*.
10907         (class Output_data_reloc): Change add functions to use
10908         Sized_relobj*.
10909         * output.cc (Output_reloc::Output_reloc): Change relobj to
10910         Sized_relobj*.
10911         (Output_reloc::local_section_offset): Change return type to
10912         Elf_Addr.  Use get_output_section_offset.
10913         (Output_reloc::get_address): Likewise.
10914         (Output_section::is_input_address_mapped): Don't call
10915         is_section_specially_mapped.
10916         (Output_section::output_offset): Likewise.
10917         (Output_section::output_address): Likewise.
10918         (Output_section::starting_output_address): Likewise.
10919         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10920         parameter to Sized_relobj*.
10921         (Copy_relocs::need_copy_reloc): Likewise.
10922         (Copy_relocs::save): Likewise.
10923         * copy-relocs.h (class Copy_relocs): Update declarations.
10924         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10925         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10926         * target-reloc.h (relocate_for_relocatable): Change
10927         offset_in_output_section type to Elf_Addr.  Change code that uses
10928         it as well.
10929         * layout.cc (Layout::layout): Always set *off.
10930         * mapfile.cc (Mapfile::print_input_section): Use
10931         output_section_offset.
10932         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10933         Sized_relobj*.
10934         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10935         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10936         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10937
10938 2008-07-03  Ian Lance Taylor  <iant@google.com>
10939
10940         * layout.cc (Layout::include_section): Do not discard unrecognized
10941         SHT_STRTAB sections.
10942
10943 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10944
10945         * script.cc (Lex::can_continue_name): Make '?' allowable in
10946         version-script names.
10947         * testsuite/version_script.map: Change glob pattern to use '?'
10948
10949 2008-06-30  Manish Singh  <yosh@gimp.org>
10950
10951         PR 6585
10952         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10953         Correct typo.
10954
10955 2008-06-30  Ian Lance Taylor  <iant@google.com>
10956
10957         PR 6660
10958         PR 6682
10959         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10960         versions]: Don't try to read the value in the contents, since we
10961         don't use it.  Use the template endianness when writing.
10962
10963 2008-06-25  Cary Coutant  <ccoutant@google.com>
10964
10965         * fileread.cc (File_read::make_view): Assert on zero-length view.
10966         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10967         symbol table when there are no symbols to read.
10968
10969 2008-06-23  Craig Silverstein  <csilvers@google.com>
10970
10971         * version.cc (version_string): Bump to 1.7
10972
10973 2008-06-18  Craig Silverstein  <csilvers@google.com>
10974
10975         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10976         constant 0xFFFF to type Valtype.
10977         (Powerpc_relocate_functions::rel16_ha): Likewise.
10978
10979 2008-06-17  Ian Lance Taylor  <iant@google.com>
10980
10981         * output.h (Output_section::Input_section): Initialize p2align_ to
10982         zero for Output_section_data constructors.
10983         (Output_section::Input_section::addralign): If not an input
10984         section, return the alignment of the Output_section_data.
10985         * testsuite/copy_test.cc: New file.
10986         * testsuite/copy_test_1.cc: New file.
10987         * testsuite/copy_test_2.cc: New file.
10988         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10989         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10990         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10991         (copy_test_1_pic.o, copy_test_1.so): New targets.
10992         (copy_test_2_pic.o, copy_test_2.so): New targets.
10993         * testsuite/Makefile.in: Rebuild.
10994
10995         * script-sections.cc (Script_sections::place_orphan): Initialize
10996         local variable exact.
10997
10998 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10999
11000         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11001
11002 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11003             David S. Miller  <davem@davemloft.net>
11004
11005         * powerpc.cc: New file.
11006         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11007         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11008         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11009         * Makefile.in: Rebuild.
11010
11011 2008-06-09  Ian Lance Taylor  <iant@google.com>
11012
11013         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11014         <exception>.
11015         (throwing, orig_terminate): New static variables.
11016         (terminate_handler): New static function.
11017         (t2): Set terminate handler.
11018
11019 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11020
11021         PR 6584
11022         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11023         alignment.
11024
11025 2008-05-30  Cary Coutant  <ccoutant@google.com>
11026
11027         * archive.cc (Archive::include_all_members) Correct to step
11028         over symbol table and extended name table in thin archives.
11029
11030 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11031
11032         PR 6407
11033         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11034         calculation.
11035
11036 2008-05-28  Caleb Howe  <cshowe@google.com>
11037
11038         * reduced_debug_output.cc: New file.
11039         * reduced_debug_output.h: New file.
11040         * options.h (class General_options): Add --strip-debug-non-line.
11041         * options.cc (General_options::finalize): Add strip_debug_non_line
11042         to the strip heirarchy.
11043         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11044         fields.
11045         * layout.cc: Include "reduced_debug_output.h".
11046         (Layout::Layout): Initialize new fields.
11047         (line_only_debug_sections): New static array.
11048         (is_lines_only_debug_sections): New static inline function.
11049         (Layout::include_section): Handle --strip-debug-non-line.
11050         (Layout::make_output_section): If --strip-debug-non-line, build
11051         new output sections for .debug_abbrev and .debug_info.
11052         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11053         gold.  Warn about possible overflow.
11054         (read_signed_LEB_128): Likewise.
11055         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11056         (read_signed_LEB_128): Declare.
11057         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11058         (HFILES): Add reduced_debug_output.h.
11059         * Makefile.in: Rebuild.
11060
11061 2008-05-21  Ian Lance Taylor  <iant@google.com>
11062
11063         * mapfile.cc: New file.
11064         * mapfile.h: New file.
11065         * options.h (class General_options): Add -M/--print-map and -Map.
11066         * options.cc (General_options::finalize): Make -M equivalent to
11067         -Map -.
11068         * main.cc: Include <cstdio> and "mapfile.h".
11069         (main): Open mapfile if requested.
11070         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11071         constructor.  Change caller.
11072         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11073         (queue_middle_tasks): Likewise.
11074         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11075         declarations.
11076         * archive.cc: Include "mapfile.h".
11077         (Archive::add_symbols): Add mapfile parameter.  Change all
11078         callers.  Pass mapfile, symbol, and reason to include_member.
11079         (Archive::include_all_members): Add mapfile parameter.  Change all
11080         callers.
11081         (Archive::include_member): Add mapfile, sym, and why parameters.
11082         Change all callers.  Report inclusion to map file.
11083         * archive.h: Include "fileread.h".
11084         (class Archive): Update declarations.
11085         (Archive::file): New const method.
11086         (class Add_archive_symbols): Add mapfile_ field.  Update
11087         constructor.  Change all callers.
11088         * readsyms.h (class Read_symbols): Likewise.
11089         (class Finish_group): Likewise.
11090         (class Read_script): Likewise.
11091         * common.cc: Include "mapfile.h".
11092         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11093         all callers.
11094         (Symbol_table::do_allocate_commons): Likewise.
11095         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11096         symbol allocation to mapfile.
11097         * common.h (class Allocate_commons_task): Add mapfile_ field.
11098         Update constructor.  Change all callers.
11099         * symtab.h (class Symbol_table): Update declarations.
11100         * layout.cc: Include "mapfile.h".
11101         (Layout_task_runner::run): Print information to mapfile.
11102         (Layout::create_gold_note): Change Output_data_fixed_space to
11103         Output_data_zero_fill.
11104         (Layout::create_build_id): Likewise.
11105         (Layout::print_to_mapfile): New function.
11106         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11107         constructor.  Change caller.
11108         (class Layout): Declare print_to_mapfile.
11109         * output.cc (Output_section::Input_section::print_to_mapfile): New
11110         function.
11111         (Output_section::add_input_section): If producing a map, always
11112         add to input_sections_ list.
11113         (Output_section::do_print_to_mapfile): New function.
11114         (Output_segment::print_sections_to_mapfile): New function.
11115         (Output_segment::print_section_list_to_mapfile): New function.
11116         * output.h: Include "mapfile.h".
11117         (Output_data::print_to_mapfile): New function.
11118         (Output_data::do_print_to_mapfile): New virtual function.
11119         (Output_segment_headers::do_print_to_mapfile): New function.
11120         (Output_file_header::do_print_to_mapfile): New function.
11121         (Output_data_const::do_print_to_mapfile): New function.
11122         (class Output_data_const_buffer): Add map_name_ field.  Update
11123         constructor.  Change all callers.  Add do_print_to_mapfile
11124         function.
11125         (class Output_data_fixed_space): Likewise.
11126         (class Output_data_space): Likewise.
11127         (class Output_data_zero_fill): New class.
11128         (Output_data_strtab::do_print_to_mapfile): New function.
11129         (Output_data_reloc_base::do_print_to_mapfile): New function.
11130         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11131         (Output_data_group::do_print_to_mapfile): New function.
11132         (Output_data_got::do_print_to_mapfile): New function.
11133         (Output_data_dynamic::do_print_to_mapfile): New function.
11134         (Output_symtab_xindex::do_print_to_mapfile): New function.
11135         (class Output_section): Declare do_print_to_mapflie.  Declare
11136         print_to_mapfile in Input_section.
11137         (class Output_segment): Declare new functions.
11138         * object.h (Sized_relobj::symbol_count): New function.
11139         * script-sections.cc
11140         (Output_section_element_dot_assignment::set_section_addresses):
11141         Change Output_data_fixed_space to Output_data_zero_fill.
11142         (Output_data_expression::do_print_to_mapfile): New function.
11143         * script.cc (read_input_script): Add mapfile parameter.  Change
11144         all callers.
11145         * script.h (read_input_script): Update declaration.
11146         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11147         (Eh_frame::do_print_to_mapfile): New function.
11148         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11149         (Output_merge_string::do_print_to_mapfile): New function.
11150         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11151         function.
11152         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11153         function.
11154         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11155         function.
11156         * Makefile.am (CCFILES): Add mapfile.cc.
11157         (HFILES): Add mapfile.h.
11158         * Makefile.in: Rebuild.
11159
11160 2008-05-19  Ian Lance Taylor  <iant@google.com>
11161
11162         * options.h (class General_options): Add -z relro.
11163         * layout.cc (Layout::Layout): Initialize relro_segment_.
11164         (Layout::add_output_section_data): Return the output section.
11165         (Layout::make_output_section): Rcognize relro sections and mark
11166         them appropriately.
11167         (Layout::attach_allocated_section_to_segment): Put relro sections
11168         in a PT_GNU_RELRO segment.
11169         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11170         section as relro.
11171         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11172         PT_TLS segments.
11173         (Layout::linkonce_mapping): Map d.rel.ro.local to
11174         .data.rel.ro.local.
11175         (Layout::output_section_name): Us .data.rel.ro.local for any
11176         section which begins with that.
11177         * layout.h (class Layout): Update add_output_section_data
11178         declaration.  Add relro_segment_ field.
11179         * output.cc (Output_section::Output_section): Initialize is_relro_
11180         and is_relro_local_ fields.
11181         (Output_segment::add_output_section): Group relro sections.
11182         (Output_segment::is_first_section_relro): New function.
11183         (Output_segment::maximum_alignment): If there is a relro section,
11184         align the segment to the common page size.
11185         (Output_segment::set_section_addresses): Track whether we are
11186         looking at relro sections.  If the last section is a relro
11187         section, align to the common page size.
11188         (Output_segment::set_section_list_addresses): Add in_relro
11189         parameter.  Change all callers.  Align to the page size when
11190         moving from relro to non-relro section.
11191         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11192         segment.
11193         * output.h (class Output_section): Add is_relro_ and
11194         is_relro_local_ fields.
11195         (Output_section::is_relro): New function.
11196         (Output_section::set_is_relro): New function.
11197         (Output_section::is_relro_local): New function.
11198         (Output_section::set_is_relro_local): New function.
11199         (class Output_segment): Update declarations.
11200         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11201         * sparc.cc (Target_sparc::got_section): Likewise.
11202         * x86_64.cc (Target_x86_64::got_section): Likewise.
11203         * testsuite/relro_test_main.cc: New file.
11204         * testsuite/relro_test.cc: New file.
11205         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11206         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11207         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11208         (relro_test.so, relro_test_pic.o): New targets.
11209         * testsuite/Makefile.in: Rebuild.
11210
11211 2008-05-16  Ian Lance Taylor  <iant@google.com>
11212
11213         * output.cc (Output_segment::add_output_section): Remove front
11214         parameter.
11215         * output.h (class Output_segment): Remove
11216         add_initial_output_section and overloaded add_output_section.
11217         Update declaration of remaining add_output_section.
11218         * layout.cc (Layout::create_interp): Call add_output_section
11219         rather than add_initial_output_section.
11220         (Layout::finish_dynamic_section): Likewise.
11221
11222         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11223         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11224         know the dynamic type.
11225         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11226         field.  Initialize it in constructor.
11227         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11228         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11229         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11230         reloc.
11231
11232         * output.cc (Output_reloc::get_address): Change return type to
11233         Elf_Addr.
11234         * output.h (class Output_reloc): Update get_address declaration.
11235         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11236         for section addresses.
11237
11238 2008-05-09  Ian Lance Taylor  <iant@google.com>
11239
11240         PR 6493
11241         * gold.cc (gold_nomem): Use return value of write.
11242
11243 2008-05-08  Ian Lance Taylor  <iant@google.com>
11244
11245         * symtab.c (Symbol::init_base_output_data): Add version
11246         parameter.  Change all callers.
11247         (Symbol::init_base_output_segment): Likewise.
11248         (Symbol::init_base_constant): Likewise.
11249         (Symbol::init_base_undefined): Likewise.
11250         (Sized_symbol::init_output_data): Likewise.
11251         (Sized_symbol::init_output_segment): Likewise.
11252         (Sized_symbol::init_constant): Likewise.
11253         (Sized_symbol::init_undefined): Likewise.
11254         (Symbol_table::do_define_in_output_data): If the new symbol has a
11255         version, mark it as the default.
11256         (Symbol_table::do_define_in_output_segment): Likewise.
11257         (Symbol_table::do_define_as_constant): Likewise.
11258         * symtab.h (class Symbol): Update declarations.
11259         (class Sized_symbol): Likewise.
11260         * resolve.cc (Symbol::override_version): New function.
11261         (Symbol::override_base): Call override_version.
11262         (Symbol::override_base_with_special): Likewise.
11263         * testsuite/ver_script_8.script: New file.
11264         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11265         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11266         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11267         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11268
11269 2008-05-06  Ian Lance Taylor  <iant@google.com>
11270
11271         PR 6049
11272         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11273         functions.
11274         (class General_options): Remove existing --undefined, and add
11275         --no-undefined instead.  Add new --undefined as synonym for -u.
11276         * archive.cc (Archive::add_symbols): Check whether symbol was
11277         named with -u.
11278         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11279         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11280         all uses.  Add IS_UNDEFINED.  Update declarations to split
11281         different versions of init_base.  Declare init_base_undefined.
11282         (Symbol::is_defined): Handle IS_UNDEFINED.
11283         (Symbol::is_undefined): Likewise.
11284         (Symbol::is_weak_undefined): Call is_undefined.
11285         (Symbol::is_absolute): Handle IS_CONSTANT.
11286         (class Sized_symbol): Update declarations to split different
11287         versions of init.  Declare init_undefined.
11288         (class Symbol_table): Declare new functions.
11289         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11290         Change all callers.
11291         (Symbol::init_base_output_data): Likewise.
11292         (Symbol::init_base_output_segment): Likewise.
11293         (Symbol::init_base_constant): Likewise.
11294         (Symbol::init_base_undefined): New function.
11295         (Sized_symbol::init_object): Rename from init.  Change all
11296         callers.
11297         (Sized_symbol::init_output_data): Likewise.
11298         (Sized_symbol::init_output_segment): Likewise.
11299         (Sized_symbol::init_constant): Likewise.
11300         (Sized_symbol::init_undefined): New function.
11301         (Symbol_table::add_undefined_symbols_from_command_line): New
11302         function.
11303         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11304         function.
11305         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11306         (Symbol::output_section): Likewise.
11307         (Symbol::set_output_section): Likewise.
11308         (Symbol_table::sized_finalize_symbol): Likewise.
11309         (Symbol_table::sized_write_globals): Likewise.
11310         * resolve.cc (Symbol_table::should_override): Likewise.
11311         (Symbol::override_base_with_special): Likewise.
11312
11313         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11314         symbol, change it to have default visibility.
11315         * testsuite/protected_1.cc: New file.
11316         * testsuite/protected_2.cc: New file.
11317         * testsuite/protected_3.cc: New file.
11318         * testsuite/protected_main_1.cc: New file.
11319         * testsuite/protected_main_2.cc: New file.
11320         * testsuite/protected_main_3.cc: New file.
11321         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11322         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11323         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11324         (protected_1.so): New target.
11325         (protected_1_pic.o, protected_2_pic.o): New targets.
11326         (protected_3_pic.o): New target.
11327         (check_PROGRAMS): Add protected_2.
11328         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11329         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11330         * testsuite/Makefile.in: Rebuild.
11331
11332         * options.h (DEFINE_var): Add set_user_set_##varname__.
11333         (DEFINE_bool_alias): New macro.
11334         (class General_options): Define -Bstatic using DEFINE_bool_alias
11335         rather than DEFINE_special.  Add --undefined as an alias for -z
11336         defs.
11337         * options.cc (General_options::parse_Bstatic): Remove.
11338
11339         * options.h (class General_options): Add --fatal-warnings.
11340         * main.cc (main): Implement --fatal-warnings.
11341         * errors.h (Errors::warning_count): New function.
11342
11343         * options.h (class General_options): Add -Bsymbolic-functions.
11344         * symtab.h (Symbol::is_preemptible): Check for
11345         -Bsymbolic-functions.
11346
11347 2008-05-05  Ian Lance Taylor  <iant@google.com>
11348
11349         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11350         as noVARNAME rather than no-VARNAME.
11351         (class General_options): Add option -z combreloc.
11352         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11353         get_address.
11354         (Output_reloc::sort_before) [SHT_REL]: New function.
11355         (Output_reloc::sort_before) [SHT_RELA]: New function.
11356         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11357         Sort_relocs_comparison.
11358         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11359         parameter.  Change all callers.
11360         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11361         sort_relocs parameter.  Change all callers.
11362         * output.cc (Output_reloc::get_address): New function, broken out
11363         of write_rel.
11364         (Output_reloc::write_rel): Call it.
11365         (Output_reloc::compare): New function.
11366         (Output_data_reloc_base::do_write): Optionally sort relocs.
11367
11368         * configure.ac: If targ_extra_obj is set, link it in.
11369         * configure.tgt: Initialize all variables.
11370         (x86_64*): Set targ_extra_obj and targ_extra_size.
11371         * configure: Rebuild.
11372
11373         * object.cc (Sized_relobj::include_section_group): Adjust section
11374         indexes read from group data.  Build vector to pass to
11375         layout_group.
11376         * layout.cc (Layout::layout_group): Add flags and shndxes
11377         parameters.  Remove contents parameter.  Change caller.  Update
11378         explicit instantiations.
11379         * layout.h (class Layout): Update layout_group declaration.
11380         * output.cc (Output_data_group::Output_data_group): Add flags and
11381         input_shndxes parameters.  Remove contents parameter.  Change
11382         caller.
11383         (Output_data_group::do_write): Change input_sections_ to
11384         input_shndxes_.
11385         * output.h (class Output_data_group): Update constructor
11386         declaration.  Rename input_sections_ to input_shndxes_.
11387         * testsuite/many_sections_test.cc: Add template.
11388
11389 2008-04-30  Cary Coutant  <ccoutant@google.com>
11390
11391         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11392
11393         * layout.cc (Layout::include_section): Refactored check for debug
11394         info section.
11395         (Layout::add_comdat): Add new parameters.  Change type
11396         of signature parameter.  Add object and shndx to signatures table.
11397         (Layout::find_kept_object): New function.
11398         * layout.h: Include <cstring>.
11399         (Layout::is_debug_info_section): New function.
11400         (Layout::add_comdat): Add new parameters.
11401         (Layout::find_kept_object): New function.
11402         (Layout::Kept_section): New struct.
11403         (Layout::Signatures): Change type of map range.
11404         * object.cc (Relobj::output_section_address): New function.
11405         (Sized_relobj::include_section_group): Add new parameters.  Change
11406         calls to Layout::add_comdat.  Change to build table of kept comdat
11407         groups and table mapping discarded sections to kept sections.
11408         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11409         (Sized_relobj::do_layout): Change calls to include_section_group and
11410         include_linkonce_section.
11411         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11412         value to zero when section is discarded.
11413         (Sized_relobj::map_to_kept_section): New function.
11414         * object.h (Relobj::output_section_address): New function.
11415         (Relobj::Comdat_group): New type.
11416         (Relobj::find_comdat_group): New function.
11417         (Relobj::Comdat_group_table): New type.
11418         (Relobj::Kept_comdat_section): New type.
11419         (Relobj::Kept_comdat_section_table): New type.
11420         (Relobj::add_comdat_group): New function.
11421         (Relobj::set_kept_comdat_section): New function.
11422         (Relobj::get_kept_comdat_section): New function.
11423         (Relobj::comdat_groups_): New field.
11424         (Relobj::kept_comdat_sections_): New field.
11425         (Symbol_value::input_value): Update comment.
11426         (Sized_relobj::map_to_kept_section) New function.
11427         (Sized_relobj::include_linkonce_section): Add new parameter.
11428         * target-reloc.h (Comdat_behavior): New type.
11429         (get_comdat_behavior): New function.
11430         (relocate_section): Add code to map a discarded section to the
11431         corresponding kept section when applying a relocation.
11432
11433 2008-04-30  Craig Silverstein  <csilvers@google.com>
11434
11435         * dwarf_reader.cc (next_generation_count): New static var.
11436         (Addr2line_cache_entry): New struct.
11437         (addr2line_cache): New static var.
11438         (Dwarf_line_info::one_addr2line): Added caching.
11439         (Dwarf_line_info::clear_addr2line_cache): New function.
11440         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11441         cache-size parameter.
11442         (Dwarf_line_info::one_addr2line_cache): New function.
11443         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11444         new cache-size argument to one_addr2line(), and clear cache.
11445
11446 2008-04-28  Cary Coutant  <ccoutant@google.com>
11447
11448         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11449         R_386_PC8 relocations.
11450
11451 2008-04-23  Ian Lance Taylor  <iant@google.com>
11452
11453         * object.cc (Sized_relobj::include_section_group): Check for
11454         invalid section group.
11455
11456         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11457         header size.
11458
11459         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11460         than read for file header.
11461         * archive.cc (Archive::include_member): Likewise.
11462
11463 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11464
11465         * aclocal.m4: Regenerate.
11466         * configure: Regenerate.
11467
11468 2008-04-19  Ian Lance Taylor  <iant@google.com>
11469
11470         * version.cc (version_string): Bump to 1.6.
11471
11472         * testsuite/Makefile.am (many_sections_r_test): New target.
11473         (many_sections_r_test_SOURCES): Remove.
11474         (many_sections_r_test_DEPENDENCIES): Remove.
11475         (many_sections_r_test_LDFLAGS): Remove.
11476         (many_sections_r_test_LDADD): Remove.
11477
11478         * object.cc (Sized_relobj::do_add_symbols): Always pass
11479         local_symbol_count_ to add_from_relobj.
11480
11481         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11482         every thousand variables.
11483         * testsuite/Makefile.in: Rebuild.
11484
11485         * object.cc (Xindex::initialize_symtab_xindex): New function.
11486         (Xindex::read_symtab_xindex): New function.
11487         (Xindex::sym_xindex_to_shndx): New function.
11488         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11489         available.
11490         (Sized_relobj::do_initialize_xindex): New function.
11491         (Sized_relobj::do_read_symbols): Adjust section links.
11492         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11493         parameter.  Change all callers.
11494         (Sized_relobj::include_section_group): Adjust section links and
11495         symbol section indexes.
11496         (Sized_relobj::do_layout): Adjust section links.
11497         (Sized_relobj::do_count_local_symbols): Adjust section links and
11498         symbol section indexes.
11499         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11500         ordinary and special symbols.
11501         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11502         dynsym_xindex parameters.  Change all callers.  Adjust section
11503         links.  Use SHN_XINDEX when needed.
11504         (Sized_relobj::get_symbol_location_info): Adjust section links.
11505         Don't get fooled by special symbols.
11506         * object.h (class Xindex): Define.
11507         (class Object): Add xindex_ parameter.  Declare virtual functoin
11508         do_initialize_xindex.
11509         (Object::adjust_sym_shndx): New function.
11510         (Object::set_xindex): New protected function.
11511         (class Symbol_value): Add is_ordinary_shndx_ field.
11512         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11513         (Symbol_value::value): Assert ordinary section.
11514         (Symbol_value::initialize_input_to_output_map): Likewise.
11515         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11516         Change all callers.
11517         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11518         all callers.
11519         (class Sized_relobj): Update declarations.
11520         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11521         parameter.  Change all callers.
11522         (Sized_relobj::adjust_shndx): New function.
11523         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11524         field.
11525         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11526         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11527         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11528         (Sized_dynobj::read_dynsym_section): Adjust section links.
11529         (Sized_dynobj::read_dynamic): Likewise.
11530         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11531         section links.
11532         (Sized_dynobj::do_initialize_xindex): New function.
11533         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11534         do_initialize_xindex.
11535         (Sized_dynobj::adjust_shndx): New function.
11536         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11537         dynsym_xindex_ fields.
11538         (Layout::finalize): Add a call to set_section_indexes before
11539         creating the symtab sections.
11540         (Layout::set_section_indexes): Don't do anything if the section
11541         already has a section index.
11542         (Layout::create_symtab_sections): Add shnum parameter.  Change
11543         caller.  Create .symtab_shndx section if needed.
11544         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11545         caller.
11546         (Layout::allocated_output_section_count): New function.
11547         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11548         needed.
11549         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11550         fields.  Update declarations.
11551         (Layout::symtab_xindex): New function.
11552         (Layout::dynsym_xindex): New function.
11553         (class Write_symbols_task): Add layout_ field.
11554         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11555         Change caller.
11556         * output.cc (Output_section_headers::Output_section_headers): Add
11557         shstrtab_section parameter.  Change all callers.
11558         (Output_section_headers::do_sized_write): Store overflow values
11559         for section count and section string table section index in
11560         section header zero.
11561         (Output_file_header::do_sized_write): Check for overflow of
11562         section count and section string table section index.
11563         (Output_symtab_xindex::do_write): New function.
11564         (Output_symtab_xindex::endian_do_write): New function.
11565         * output.h (class Output_section_headers): Add shstrtab_section_.
11566         Update declarations.
11567         (class Output_symtab_xindex): Define.
11568         (Output_section::has_out_shndx): New function.
11569         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11570         field.
11571         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11572         Change all callers.
11573         (Sized_symbol::init): Likewise.
11574         (Symbol::output_section): Check for ordinary symbol.
11575         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11576         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11577         callers.
11578         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11579         Change all callers.  Simplify handling of symbols from sections
11580         not included in the link.
11581         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11582         distinction.
11583         (Weak_alias_sorter::operator()): Assert that symbols are
11584         ordinary.
11585         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11586         distinction.
11587         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11588         parameters.  Change all callers.
11589         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11590         symbol distinction.  Use SHN_XINDEX when needed.
11591         (Symbol_table::write_section_symbol): Add symtab_xindex
11592         parameter.  Change all callers.
11593         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11594         SHN_XINDEX when needed.
11595         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11596         declarations.
11597         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11598         (Symbol::is_defined): Check is_ordinary.
11599         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11600         (Symbol::is_absolute, Symbol::is_common): Likewise.
11601         (class Sized_symbol): Update declarations.
11602         (class Symbol_table): Update declarations.
11603         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11604         parameters.  Change all callers.
11605         (Sized_symbol::override): Likewise.
11606         (Symbol_table::override): Likewise.
11607         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11608         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11609         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11610         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11611         to be in an ordinary section.
11612         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11613         object and is_ordinary parameters.  Change all callers.
11614         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11615         Change all callers.  Don't add undefined or non-ordinary symbols
11616         to reloc_map_.
11617         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11618         Change all callers.
11619         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11620         declarations.
11621         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11622         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11623         (Sized_relobj::relocate_sections): Likewise.
11624         * target-reloc.h (scan_relocs): Adjust section symbol index.
11625         (scan_relocatable_relocs): Likewise.
11626         * i386.cc (Scan::local): Check for ordinary symbols.
11627         * sparc.cc (Scan::local): Likewise.
11628         * x86_64.cc (Scan::local): Likewise.
11629         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11630         to symbol_section_and_value.
11631         * testsuite/many_sections_test.cc: New file.
11632         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11633         (check_PROGRAMS): Add many_sections_test.
11634         (many_sections_test_SOURCES): Define.
11635         (many_sections_test_DEPENDENCIES): Define.
11636         (many_sections_test_LDFLAGS): Define.
11637         (BUILT_SOURCES): Add many_sections_define.h.
11638         (many_sections_define.h): New target.
11639         (BUILT_SOURCES): Add many_sections_check.h.
11640         (many_sections_check.h): New target.
11641         (check_PROGRAMS): Add many_sections_r_test.
11642         (many_sections_r_test_SOURCES): Define.
11643         (many_sections_r_test_DEPENDENCIES): Define.
11644         (many_sections_r_test_LDFLAGS): Define.
11645         (many_sections_r_test_LDADD): Define.
11646         (many_sections_r_test.o): New target.
11647         * testsuite/Makefile.in: Rebuild.
11648
11649 2008-04-17  Cary Coutant  <ccoutant@google.com>
11650
11651         * errors.cc (Errors::info): New function.
11652         (gold_info): New function.
11653         * errors.h (Errors::info): New function.
11654         * gold.h (gold_info): New function.
11655         * object.cc (Input_objects::add_object): Print trace output.
11656         * options.cc (options::parse_set): New function.
11657         (General_options::parse_wrap): Deleted.
11658         (General_options::General_options): Deleted initializer.
11659         * options.h (options::String_set): New typedef.
11660         (options::parse_set): New function.
11661         (DEFINE_set): New macro.
11662         (General_options::wrap): Changed to use DEFINE_set. Changed
11663         callers of any_wrap_symbols and is_wrap_symbol.
11664         (General_options::trace, General_options::trace_symbol):
11665         New options.
11666         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11667         (General_options::wrap_symbols_): Deleted.
11668         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11669
11670 2008-04-17  David S. Miller  <davem@davemloft.net>
11671
11672         * options.cc (General_options::parse_V): New function.
11673         * options.h: Add entries for -V and -Qy.
11674
11675 2008-04-17  Ian Lance Taylor  <iant@google.com>
11676
11677         * common.cc (Symbol_table::allocate_commons): Remove options
11678         parameter.  Change caller.
11679         (Symbol_table::do_allocate_commons): Remove options parameter.
11680         Change caller.  Just call do_allocate_commons_list twice.
11681         (Symbol_table::do_allocate_commons_list): New function, broken out
11682         of do_allocate_commons.
11683         * common.h (class Allocate_commons_task): Remove options_ field.
11684         Update constructor.
11685         * symtab.cc (Symbol_table::Symbol_table): Initialize
11686         tls_commons_.
11687         (Symbol_table::add_from_object): Put TLS common symbols on
11688         tls_commons_ list.
11689         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11690         which are IN_OUTPUT_DATA.
11691         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11692         allocate_commons and do_allocate_commons declarations.  Declare
11693         do_allocate_commons_list.
11694         * gold.cc (queue_middle_tasks): Update creation of
11695         Allocate_commons_task to not pass options.
11696         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11697         (TLS_TEST_C_FLAGS): New variable.
11698         (tls_test_c_pic.o): New target.
11699         (tls_test_shared.so): Link in tls_test_c_pic.o.
11700         (tls_test_c_pic_ie.o): New target.
11701         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11702         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11703         (tls_test_c.o): New target.
11704         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11705         (tls_pic_test_LDADD): Likewise.
11706         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11707         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11708         (tls_test_c_gnu2.o): New target.
11709         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11710         tls_test_c_gnu2.o.
11711         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11712         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11713         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11714         * testsuite/tls_test.cc: Include "config.h".
11715         (t_last): Call t11_last.
11716         * testsuite/tls_test.h (t11, t11_last): Declare.
11717         * testsuite/tls_test_c.c: New file.
11718         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11719         * configure.ac: Check for OpenMP support.
11720         * configure, config.in, Makefile.in: Rebuild.
11721         * testsuite/Makefile.in: Rebuild.
11722
11723 2008-04-16  Cary Coutant  <ccoutant@google.com>
11724
11725         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11726         (Target_i386::tls_base_symbol_defined_): New field.
11727         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11728         (Target_i386::Scan::global): Likewise.
11729         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11730         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11731         (Target_x86_64::tls_base_symbol_defined_): New field.
11732         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11733         (Target_x86_64::Scan::global): Likewise.
11734
11735 2008-04-16  Cary Coutant  <ccoutant@google.com>
11736
11737         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11738         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11739         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11740         building shared libraries.
11741         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11742         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11743         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11744         * testsuite/Makefile.in: Rebuild.
11745         * testsuite/weak_undef.h: New file.
11746         * testsuite/weak_undef_file1.cc: Add extra test cases.
11747         * testsuite/weak_undef_file2.cc: Likewise.
11748         * testsuite/weak_undef_test.cc: Likewise.
11749
11750 2008-04-16  David S. Miller  <davem@davemloft.net>
11751
11752         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11753         Add issued_non_pic_error_ field.  Declare check_non_pic.
11754         (Target_sparc::Scan::check_non_pic): New function.
11755         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11756         (Target_sparc::Scan::global): Likewise.
11757
11758         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11759         * configure: Rebuild.
11760
11761         * options.h (DEFINE_enable): New macro.
11762         (new_dtags): New enable option.
11763         (initfirst, interpose, loadfltr, nodefaultlib,
11764         nodelete, nodlopen, nodump): New -z options.
11765         * layout.cc (Layout:finish_dynamic_section): If new
11766         dtags enabled, emit DT_RUNPATH.  Also, emit a
11767         DT_FLAGS_1 containing any specified -z flags.
11768
11769 2008-04-16  Ian Lance Taylor  <iant@google.com>
11770
11771         * copy-relocs.cc: New file.
11772         * copy-relocs.h: New file.
11773         * reloc.cc: Remove Copy_relocs code.
11774         * reloc.h: Likewise.
11775         * reloc-types.h (struct Reloc_types) [both versions]: Add
11776         get_reloc_addend_noerror.
11777         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11778         variants of add_global which take an addend which must be zero.
11779         * i386.cc: Include "copy-relocs.h".
11780         (class Target_i386): Change type of copy_relocs_ to variable,
11781         update initializer.
11782         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11783         Change all callers.
11784         (Target_i386::do_finalize_sections): Change handling of
11785         copy_relocs_.
11786         * sparc.cc: Include "copy-relocs.h".
11787         (class Target_sparc): Change type of copy_relocs_ to variable,
11788         update initializer.
11789         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11790         Change all callers.
11791         (Target_sparc::do_finalize_sections): Change handling of
11792         copy_relocs_.
11793         * x86_64.cc: Include "copy-relocs.h".
11794         (class Target_x86_64): Change type of copy_relocs_ to variable,
11795         update initializer.
11796         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11797         class.  Change all callers.
11798         (Target_x86_64::do_finalize_sections): Change handling of
11799         copy_relocs_.
11800         * Makefile.am (CCFILES): Add copy-relocs.cc.
11801         (HFILES): Add copy-relocs.h.
11802
11803         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11804
11805         * testsuite/script_test_4.sh: Permit leading zeroes.
11806
11807 2008-04-15  Ian Lance Taylor  <iant@google.com>
11808
11809         * script-sections.cc (Script_sections::create_segments): Use
11810         header_size_adjustment even when there is enough room for the
11811         headers.
11812         * testsuite/script_test_4.sh: New file.
11813         * testsuite/script_test_4.t: New file.
11814         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11815         (check_DATA): Add script_test_4.stdout.
11816         (MOSTLYCLEANFILES): Likewise.
11817         (script_test_4): New target.
11818         (script_test_4.stdout): New target.
11819         * testsuite/Makefile.in: Rebuild.
11820
11821         * sparc.cc: Add definitions for Output_data_plt_sparc class
11822         constants.
11823
11824 2008-04-14  David S. Miller  <davem@davemloft.net>
11825
11826         * sparc.cc: New file.
11827         * Makefile.am (TARGETSOURCES): Add sparc.cc
11828         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11829         * configure.tgt: Document targ_extra_size and
11830         targ_extra_big_endian.  Add entries for sparc-* and
11831         sparc64-*.
11832         * configure.ac: Handle targ_extra_size and
11833         targ_extra_big_endian.
11834         * Makefile.in: Rebuild.
11835         * configure: Likewise.
11836         * po/POTFILES.in: Likewise.
11837         * po/gold.pot: Likewise.
11838
11839 2008-04-14  Ian Lance Taylor  <iant@google.com>
11840
11841         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11842         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11843         in the name/type/flags to section mapping.  Don't call
11844         allocate_output_section.
11845         (Layout::choose_output_section): Change parameter from adjust_name
11846         to is_input_section.  Don't permit input sections after sections
11847         are attached to segments.  Don't call allocate_output_section.
11848         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11849         not write_enable_output_section.
11850         (Layout::make_output_section): Don't push to
11851         unattached_section_list_ nor call attach_to_segment.  Call
11852         attach_section_to_segment if sections are attached.
11853         (Layout::attach_sections_to_segments): New function.
11854         (Layout::attach_section_to_segment): New function.
11855         (Layout::attach_allocated_section_to_segment): Rename from
11856         attach_to_segment.  Remove flags parameter.
11857         (Layout::allocate_output_section): Remove function.
11858         (Layout::write_enable_output_section): Remove function.
11859         * layout.h (class Layout): Update for above changes.  Add new
11860         field sections_are_attached_.
11861         * output.h (Output_section::update_flags_for_input_section): New
11862         function.
11863         * output.cc (Output_section::add_input_section): Call
11864         update_flags_for_input_section.
11865         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11866
11867 2008-04-11  Cary Coutant  <ccoutant@google.com>
11868
11869         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11870         thought unnecessary.
11871         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11872
11873 2008-04-11  Ian Lance Taylor  <iant@google.com>
11874
11875         * output.h (class Output_section_data): Remove inline definition
11876         of set_addralign.
11877         * output.cc (Output_section_data::set_addralign): New function.
11878
11879 2008-04-11  Cary Coutant  <ccoutant@google.com>
11880
11881         Add support for TLS descriptors for i386 and x86_64.
11882         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11883         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11884         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11885         GOT_TYPE_TLS_DESC.
11886         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11887         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11888         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11889         relocations.
11890         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11891         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11892         Fix problem with initial-exec relocations.
11893         (Target_i386::Relocate::relocate_tls): Likewise.
11894         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11895         relaxation.
11896         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11897         support for section-plus-offset dynamic table entries.
11898         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11899         (Output_data_dynamic::Dynamic_entry): Add support for
11900         section-plus-offset dynamic table entries.
11901         (Output_data_dynamic::Classification): Likewise.
11902         (Output_data_dynamic::classification_): Renamed offset_.
11903         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11904         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11905         (Target_x86_64::make_plt_section): New function.
11906         (Target_x86_64::reserve_tlsdesc_entries): New function.
11907         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11908         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11909         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11910         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11911         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11912         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11913         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11914         add extra PLT entry for TLS descriptors.
11915         (Output_data_plt_x86_64::got_): New field.
11916         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11917         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11918         fields.
11919         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11920         descriptors.
11921         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11922         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11923         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11924         R_386_TLS_DESC_CALL relocations.
11925         (Target_x86_64::Scan::global): Likewise.
11926         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11927         for TLS descriptors.
11928         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11929         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11930         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11931         GD-to-IE relaxation.
11932         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11933         and TLS_DESCRIPTORS.
11934         * Makefile.in: Rebuild.
11935         * configure: Rebuild.
11936         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11937         (tls_test_shared2.so): New target.
11938         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11939         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11940         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11941         (tls_shared_gd_to_ie_test_LDADD): New variable.
11942         (tls_shared_gnu2_gd_to_ie_test): New target.
11943         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11944         New targets.
11945         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11946         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11947         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11948         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11949         (tls_shared_gnu2_test): New target.
11950         (tls_test_gnu2_shared.so): New target.
11951         (tls_shared_gnu2_test_SOURCES): New variable.
11952         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11953         (tls_shared_gnu2_test_LDFLAGS): New variable.
11954         (tls_shared_gnu2_test_LDADD): New variable.
11955         * testsuite/Makefile.in: Rebuild.
11956         * testsuite/Makefile.
11957
11958 2008-04-11  Ian Lance Taylor  <iant@google.com>
11959
11960         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11961         justsyms.t.
11962         * testsuite/Makefile.in: Rebuild.
11963
11964         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11965         long.
11966         * testsuite/script_test_2.cc (main): Adjust test.
11967
11968 2008-04-11  David S. Miller  <davem@davemloft.net>
11969             Ian Lance Taylor  <iant@google.com>
11970
11971         * options.h (General_options): Add entries for '-Y' and
11972         '-relax'.
11973         * options.cc (General_options:finalize): If -Y was used, add those
11974         entries to the library path instead of the default "/lib" and
11975         "/usr/lib".
11976
11977 2008-04-11  David S. Miller  <davem@davemloft.net>
11978
11979         * testsuite/justsyms.t: Start at 0x100.
11980         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11981         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11982         long.
11983         * testsuite/script_test_2.cc: Adjust string and section length
11984         checks.
11985
11986 2008-04-09  Ian Lance Taylor  <iant@google.com>
11987
11988         PR gold/5996
11989         * script-sections.cc (Sections_element::allocate_to_segment): Add
11990         orphan parameter.
11991         (Output_section_definition::allocate_to_segment): Likewise.
11992         (Orphan_output_section::allocate_to_segment): Likewise.
11993         (Script_sections::attach_sections_using_phdrs_clause): Don't
11994         propagate non-PT_LOAD segments to orphan sections.
11995         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11996         readelf rather than objdump.
11997         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11998         .interp section and PT_INTERP segment are the same size.
11999         * testsuite/Makefile.in: Rebuild.
12000
12001         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12002         aliases for symbols defined in the same object.
12003         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12004         (weak_alias_test_SOURCES): New variable.
12005         (weak_alias_test_DEPENDENCIES): New variable.
12006         (weak_alias_test_LDFLAGS): New variable.
12007         (weak_alias_test_LDADD): New variable.
12008         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12009         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12010         (weak_alias_test_3.o): New target.
12011         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12012         * testsuite/weak_alias_test_main.cc: New file.
12013         * testsuite/weak_alias_test_1.cc: New file.
12014         * testsuite/weak_alias_test_2.cc: New file.
12015         * testsuite/weak_alias_test_3.cc: New file.
12016
12017 2008-04-08  Ian Lance Taylor  <iant@google.com>
12018
12019         * options.h (class General_options): Add --noinhibit-exec option.
12020         * main.cc (main): Check --noinhibit-exec.
12021
12022         * options.h (class General_options): Define --wrap as a special
12023         option.  Add wrap_symbols_ field.
12024         (General_options::any_wrap_symbols): New function.
12025         (General_options::is_wrap_symbol): New function.
12026         * options.cc (General_options::parse_wrap): New function.
12027         (General_options::General_options): Initialize wrap_symbols_.
12028         * symtab.cc (Symbol_table::wrap_symbol): New function.
12029         (Symbol_table::add_from_object): Handle --wrap.
12030         * symtab.h (class Symbol_table): Declare wrap_symbol.
12031         * target.h (Target::wrap_char): New function.
12032         (Target::Target_info): Add wrap_char field.
12033         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12034         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12035         * testsuite/testfile.cc (Target_test::test_target_info):
12036         Likewise.
12037
12038         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12039         there is one.
12040
12041         * layout.h (class Layout): Add added_eh_frame_data_ field.
12042         * layout.cc (Layout::Layout): Initialize new field.
12043         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12044         output section until we find a section we merged successfully.
12045         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12046         that the size be non-zero.
12047
12048         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12049         qualifier.
12050
12051 2008-04-08  Craig Silverstein  <csilvers@google.com>
12052
12053         * configure.ac: Export new conditional variable HAVE_ZLIB.
12054         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12055         on HAVE_ZLIB.
12056         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12057         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12058
12059 2008-04-07  Ian Lance Taylor  <iant@google.com>
12060
12061         * version.cc (version_string): Set to "1.5".
12062
12063         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12064         Add issued_non_pic_error_ field.  Declare check_non_pic.
12065         (Target_x86_64::Scan::check_non_pic): New function.
12066         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12067         (Target_x86_64::Scan::global): Likewise.
12068
12069         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12070         addend parameter.  Change caller.  Handle merge sections.
12071         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12072         Address to Addend.  Don't add in the result of
12073         local_section_offset, pass down the addend and use the returned
12074         value.
12075         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12076         Update declarations of local_section_offset and symbol_value.
12077         * testsuite/two_file_test_1.cc (t18): New function.
12078         * testsuite/two_file_test_2.cc (f18): New function.
12079         * testsuite/two_file_test_main.cc (main): Call t18.
12080         * testsuite/two_file_test.h (t18, f18): Declare.
12081
12082         * configure.ac: Don't test for objdump, c++filt, or readelf.
12083         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12084         conditionals.
12085         (TEST_READELF): New variable.
12086         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12087         (check_PROGRAMS): Add two_file_strip_test.
12088         (two_file_strip_test): New target.
12089         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12090         (two_file_same_shared_strip_test_SOURCES): New variable.
12091         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12092         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12093         (two_file_same_shared_strip_test_LDADD): New variable.
12094         (two_file_shared_strip.so): New target.
12095         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12096         (ver_test_5.syms, ver_test_7.syms): Likewise.
12097         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12098         (strip_test_3.stdout): Use TEST_OBJDUMP.
12099         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12100
12101 2008-04-04  Cary Coutant  <ccoutant@google.com>
12102
12103         * symtab.h (Symbol::is_weak_undefined): New function.
12104         (Symbol::is_strong_undefined): New function.
12105         (Symbol::is_absolute): New function.
12106         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12107         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12108         absolute symbols.
12109         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12110         (weak_undef_test): New target.
12111         * testsuite/Makefile.in: Rebuild.
12112         * testsuite/weak_undef_file1.cc: New file.
12113         * testsuite/weak_undef_file2.cc: New file.
12114         * testsuite/weak_undef_test.cc: New file.
12115
12116 2008-04-03  Craig Silverstein  <csilvers@google.com>
12117
12118         * compressed_output.h (class Output_compressed_section): Use
12119         unsigned buffer.
12120         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12121         add zlib header.
12122         (zlib_compressed_suffix): Removed.
12123         (Output_compressed_section::set_final_data_size): Use unsigned
12124         buffers.
12125         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12126         Fix linker invocation.
12127         (flagstest_o_specialfile_and_compress_debug_sections):
12128         Likewise.
12129         * testsuite/Makefile.in: Regenerated.
12130
12131 2008-04-02  David S. Miller  <davem@davemloft.net>
12132
12133         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12134         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12135
12136 2008-04-02  Craig Silverstein  <csilvers@google.com>
12137
12138         * TODO: New file.
12139
12140 2008-04-02  Ian Lance Taylor  <iant@google.com>
12141
12142         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12143         parameters.  Update for new key type to views_.  Change all
12144         callers.
12145         (File_read::read): Adjust for byteshift in returned view.
12146         (File_read::add_view): New function, broken out of
12147         find_and_make_view.
12148         (File_read::make_view): New function, broken out of
12149         find_and_make_view.
12150         (File_read::find_or_make_view): Add offset and aligned
12151         parameters.  Rewrite accordingly.  Change all callers.
12152         (File_read::get_view): Add offset and aligned parameters.  Adjust
12153         for byteshift in return value.
12154         (File_read::get_lasting_view): Likewise.
12155         * fileread.h (class File_read): Update declarations.
12156         (class File_read::View): Add byteshift_ field.  Add byteshift to
12157         constructor.  Add byteshift method.
12158         * archive.h (Archive::clear_uncached_views): New function.
12159         (Archive::get_view): Add aligned parameter.  Change all callers.
12160         * object.h (Object::get_view): Add aligned parameter.  Change all
12161         callers.
12162         (Object::get_lasting_view): Likewise.
12163
12164         * fileread.cc (File_read::release): Don't call clear_views if
12165         there are multiple objects.
12166         * fileread.h (File_read::clear_uncached_views): New function.
12167         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12168         on the archive.
12169
12170 2008-03-31  Cary Coutant  <ccoutant@google.com>
12171
12172         Add thin archive support.
12173         * archive.cc (Archive::armagt): New const.
12174         (Archive::setup): Remove task parameter and calls to unlock.
12175         (Archive::unlock_nested_archives): New function.
12176         (Archive::read_header): Add nested_off parameter. Change
12177         all callers.
12178         (Archive::interpret_header): Likewise.
12179         (Archive::include_all_members): Change to handle thin
12180         archives.
12181         (Archive::include_member): Likewise.
12182         * archive.h (Archive::Archive): Add new parameters and
12183         initializers.
12184         (Archive::armagt): New const.
12185         (Archive::setup): Remove task parameter.
12186         (Archive::unlock_nested_archives): New function.
12187         (Archive::read_header): Add nested_off parameter.
12188         (Archive::interpret_header): Likewise.
12189         (Archive::Nested_archive_table): New typedef.
12190         (Archive::is_thin_archive_): New field.
12191         (Archive::nested_archives_): New field.
12192         (Archive::options_): New field.
12193         (Archive::dirpath_): New field.
12194         (Archive::task_): New field.
12195         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12196         for thin archives.  Pass additional parameters to
12197         Archive::Archive.  Unlock the archive file after calling
12198         Archive::setup.
12199
12200 2008-03-29  Ian Lance Taylor  <iant@google.com>
12201
12202         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12203         version symbol to be local.
12204         * testsuite/ver_test_4.sh: New file.
12205         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12206         (check_DATA): Add ver_test_4.syms.
12207         (ver_test_4.syms): New target.
12208         * testsuite/Makefile.in: Rebuild.
12209
12210         * output.cc
12211         (Output_section::Input_section_sort_entry::has_priority): New
12212         function.
12213         (Output_section::Input_section_sort_entry::match_file_name): New
12214         function.
12215         (Output_section::Input_section_sort_entry::match_section_name):
12216         Remove.
12217         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12218         Remove.
12219         (Output_section::Input_section_sort_entry::match_section_file):
12220         Remove.
12221         (Output_section::Input_section_sort_compare::operator()): Rewrite
12222         using new Input_section_sort_entry functions.  Sort crtbegin and
12223         crtend first.  Sort sections with no priority before sections with
12224         a priority.
12225         * testsuite/initpri1.c (d3): Check j != 4.
12226         (cd5): New constructor/destructor function.
12227         (main): Check j != 2.
12228
12229         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12230         new symbol when resolving, don't call set_is_default.
12231         * testsuite/ver_test_7.cc: New file.
12232         * testsuite/ver_test_7.sh: New file.
12233         * testsuite/Makefile.am (ver_test_7.so): New target.
12234         (ver_test_7.o): New target.
12235         (check_SCRIPTS): Add ver_test_7.sh.
12236         (check_DATA): Add ver_test_7.syms.
12237         (ver_test_7.syms): New target.
12238
12239 2008-03-28  Ian Lance Taylor  <iant@google.com>
12240
12241         * layout.cc (Layout::layout): If we see an input section with a
12242         name that needs sorting, set the must_sort flag for the output
12243         section.
12244         (Layout::make_output_section): If the name of the output section
12245         indicates that it might require sorting, set the may_sort flag.
12246         * output.h (Output_section::may_sort_attached_input_sections): New
12247         function.
12248         (Output_section::set_may_sort_attached_input_sections): New
12249         function.
12250         (Output_section::must_sort_attached_input_sections): New
12251         function.
12252         (Output_section::set_must_sort_attached_input_sections): New
12253         function.
12254         (class Output_section): Declare Input_section_sort_entry.  Define
12255         Input_section_sort_compare.  Declare
12256         sort_attached_input_sections.  Add new fields:
12257         may_sort_attached_input_sections_,
12258         must_sort_attached_input_sections_,
12259         attached_input_sections_are_sorted_.
12260         * output.cc (Output_section::Output_section): Initialize new
12261         fields.
12262         (Output_section::add_input_section): Add an entry to
12263         input_sections_ if may_sort or must_sort are true.
12264         (Output_section::set_final_data_size): Call
12265         sort_attached_input_sections if necessary.
12266         (Output_section::Input_section_sort_entry): Define new class.
12267         (Output_section::Input_section_sort_compare::operator()): New
12268         function.
12269         (Output_section::sort_attached_input_sections): New function.
12270         * configure.ac: Check whether the compiler supports constructor
12271         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12272         * testsuite/initpri1.c: New file.
12273         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12274         CONSTRUCTOR_PRIORITY.
12275         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12276         (initpri1_LDFLAGS): New variable.
12277         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12278
12279 2008-03-27  Ian Lance Taylor  <iant@google.com>
12280
12281         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12282         * testsuite/common_test_1.c: New file.
12283         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12284         (common_test_1_SOURCES): New variable.
12285         (common_test_1_DEPENDENCIES): New variable.
12286         (common_test_1_LDFLAGS): New variable.
12287
12288         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12289         and commons_ correctly when NAME/VERSION does not override
12290         NAME/NULL.
12291         * testsuite/ver_test_6.c: New file.
12292         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12293         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12294         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12295
12296 2008-03-26  Ian Lance Taylor  <iant@google.com>
12297
12298         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12299         of an undefined symbol from a version script.
12300         * testsuite/Makefile.am (ver_test_5.so): New target.
12301         (ver_test_5.o): New target.
12302         (check_SCRIPTS): Add ver_test_5.sh.
12303         (check_DATA): Add ver_test_5.syms.
12304         (ver_test_5.syms): New target.
12305         * testsuite/ver_test_5.cc: New file.
12306         * testsuite/ver_test_5.script: New file.
12307         * testsuite/ver_test_5.sh: New file.
12308         * Makefile.in, testsuite/Makefile.in: Rebuild.
12309
12310         PR gold/5986
12311         Fix problems building gold with gcc 4.3.0.
12312         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12313         (gold_error_at_location, gold_warning_at_location): Use it.
12314         * configure.ac: Check whether we can compile and use a template
12315         function with a printf attribute.
12316         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12317         when jumping over bytes.
12318         * object.cc: Instantiate Object::read_section_data.
12319         * debug.h: Include <cstring>
12320         * dwarf_reader.cc: Include <algorithm>
12321         * main.cc: Include <cstring>.
12322         * options.cc: Include <cstring>.
12323         * output.cc: Include <cstring>.
12324         * script.cc: Include <cstring>.
12325         * script.h: Include <string>.
12326         * symtab.cc: Include <cstring> and <algorithm>.
12327         * target-select.cc: Include <cstring>.
12328         * version.cc: Include <string>.
12329         * testsuite/testmain.cc: Include <cstdlib>.
12330         * configure, config.in: Rebuild.
12331
12332 2008-03-25  Ian Lance Taylor  <iant@google.com>
12333
12334         * options.cc: Include "../bfd/bfdver.h".
12335         (options::help): Print bug reporting address.
12336
12337         * version.cc (print_version): Adjust output for current value of
12338         BFD_VERSION_STRING.
12339
12340         * NEWS: New file.
12341
12342         * options.cc (options::help): Print list of supported targets.
12343         * target-select.h: Include <vector>.
12344         (class Target_selector): Make machine_, size_, and is_big_endian_
12345         fields const.  Add bfd_name_ and instantiated_target_ fields.
12346         (Target_selector::Target_selector): Add bfd_name parameter.
12347         (Target_selector::recognize): Make non-virtual, call
12348         do_recognize.
12349         (Target_selector::recognize_by_name): Make non-virtual, call
12350         do_recognize_by_name.
12351         (Target_selector::supported_names): New function.
12352         (Target_selector::bfd_name): New function.
12353         (Target_selector::do_instantiate_target): New pure virtual
12354         function.
12355         (Target_selector::do_recognize): New virtual function.
12356         (Target_selector::do_recognize_by_name): New virtual function.
12357         (Target_selector::instantiate_target): New private function.
12358         (supported_target_names): Declare.
12359         * target-select.cc (Target_selector::Target_selector): Update for
12360         new parameter and fields.
12361         (select_target_by_name): Check that the name matches before
12362         calling recognize_by_name.
12363         (supported_target_names): New function.
12364         * i386.cc (class Target_selector_i386): Update Target_selector
12365         constructor call.  Remove recognize and recognize_by_name.  Add
12366         do_instantiate_target.
12367         * x86_64.cc (class Target_selector_x86_64): Likewise.
12368         * testsuite/testfile.cc (class Target_selector_test): Update for
12369         changes to Target_selector.
12370
12371         * README: Rewrite, with some notes on unsupported features.
12372
12373 2008-03-24  Cary Coutant  <ccoutant@google.com>
12374
12375         * i386.cc (Target_i386::Got_type): New enum declaration.
12376         (Target_i386::Scan::local): Updated callers of Output_data_got
12377         member functions.
12378         (Target_i386::Scan::global): Likewise.
12379         (Target_i386::Relocate::relocate): Likewise.
12380         (Target_i386::Relocate::relocate_tls): Likewise.
12381         * object.h (Got_offset_list): New class.
12382         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12383         (Sized_relobj::local_got_offset): Likewise.
12384         (Sized_relobj::set_local_got_offset): Likewise.
12385         (Sized_relobj::local_has_tls_got_offset): Removed.
12386         (Sized_relobj::local_tls_got_offset): Removed.
12387         (Sized_relobj::set_local_tls_got_offset): Removed.
12388         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12389         * output.cc (Output_data_got::add_global): Added got_type parameter.
12390         (Output_data_got::add_global_with_rel): Likewise.
12391         (Output_data_got::add_global_with_rela): Likewise.
12392         (Output_data_got::add_global_pair_with_rel): New function.
12393         (Output_data_got::add_global_pair_with_rela): New function.
12394         (Output_data_got::add_local): Added got_type parameter.
12395         (Output_data_got::add_local_with_rel): Likewise.
12396         (Output_data_got::add_local_with_rela): Likewise.
12397         (Output_data_got::add_local_pair_with_rel): New function.
12398         (Output_data_got::add_local_pair_with_rela): New function.
12399         (Output_data_got::add_global_tls): Removed.
12400         (Output_data_got::add_global_tls_with_rel): Removed.
12401         (Output_data_got::add_global_tls_with_rela): Removed.
12402         (Output_data_got::add_local_tls): Removed.
12403         (Output_data_got::add_local_tls_with_rel): Removed.
12404         (Output_data_got::add_local_tls_with_rela): Removed.
12405         * output.h (Output_data_got::add_global): Added got_type parameter.
12406         (Output_data_got::add_global_with_rel): Likewise.
12407         (Output_data_got::add_global_with_rela): Likewise.
12408         (Output_data_got::add_global_pair_with_rel): New function.
12409         (Output_data_got::add_global_pair_with_rela): New function.
12410         (Output_data_got::add_local): Added got_type parameter.
12411         (Output_data_got::add_local_with_rel): Likewise.
12412         (Output_data_got::add_local_with_rela): Likewise.
12413         (Output_data_got::add_local_pair_with_rel): New function.
12414         (Output_data_got::add_local_pair_with_rela): New function.
12415         (Output_data_got::add_global_tls): Removed.
12416         (Output_data_got::add_global_tls_with_rel): Removed.
12417         (Output_data_got::add_global_tls_with_rela): Removed.
12418         (Output_data_got::add_local_tls): Removed.
12419         (Output_data_got::add_local_tls_with_rel): Removed.
12420         (Output_data_got::add_local_tls_with_rela): Removed.
12421         * resolve.cc (Symbol::override_base_with_special): Removed
12422         reference to has_got_offset_ field.
12423         * symtab.cc (Symbol::init_fields): Replaced initialization
12424         of got_offset_ with got_offsets_.  Removed initialization
12425         of has_got_offset_
12426         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12427         (Symbol::got_offset): Likewise.
12428         (Symbol::set_got_offset): Likewise.
12429         (Symbol::has_tls_got_offset): Removed.
12430         (Symbol::tls_got_offset): Removed.
12431         (Symbol::set_tls_got_offset): Removed.
12432         (Symbol::got_offset_): Removed.
12433         (Symbol::tls_mod_got_offset_): Removed.
12434         (Symbol::tls_pair_got_offset_): Removed.
12435         (Symbol::got_offsets_): New field.
12436         (Symbol::has_got_offset): Removed.
12437         (Symbol::has_tls_mod_got_offset): Removed.
12438         (Symbol::has_tls_pair_got_offset): Removed.
12439         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12440         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12441         member functions.
12442         (Target_x86_64::Scan::global): Likewise.
12443         (Target_x86_64::Relocate::relocate): Likewise.
12444         (Target_x86_64::Relocate::relocate_tls): Likewise.
12445
12446 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12447
12448         * yyscript.y: Fix spelling error in comment.
12449
12450 2008-03-24  Ian Lance Taylor  <iant@google.com>
12451
12452         * options.h (class General_options): Define build_id option.
12453         * layout.h (class Layout): Declare write_build_id, create_note,
12454         create_build_id.  Add build_id_note_ member.
12455         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12456         "libiberty.h", "md5.h", "sha1.h".
12457         (Layout::Layout): Initialize eh_frame_data_,
12458         eh_frame_hdr_section_, and build_id_note_.
12459         (Layout::finalize): Call create_build_id.
12460         (Layout::create_note): New function, broken out of
12461         Layout::create_gold_note.
12462         (Layout::create_gold_note): Call create_note.
12463         (Layout::create_build_id): New function.
12464         (Layout::write_build_id): New function.
12465         (Close_task_runner::run): Call write_build_id.
12466
12467         * x86_64.cc: Correct license to GPLv3.
12468
12469 2008-03-23  Ian Lance Taylor  <iant@google.com>
12470
12471         * options.cc: Include "demangle.h".
12472         (parse_optional_string): New function.
12473         (parse_long_option): Handle takes_optional_argument.
12474         (parse_short_option): Update dash_z initializer.  Handle
12475         takes_optional_argument.
12476         (General_options::General_options): Initialize do_demangle_.
12477         (General_options::finalize): Set do_demangle_.  Handle demangling
12478         style.
12479         * options.h (parse_optional_string): Declare.
12480         (struct One_option): Add optional_arg field.  Update constructor.
12481         Update call constructor calls.  Add takes_optional_argument
12482         function.
12483         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12484         (DEFINE_optional_string): Define.
12485         (General_options::demangle): Change from DEFINE_bool to
12486         DEFINE_optional_string.
12487         (General_options::no_demangle): New function.
12488         (General_options::do_demangle): New function.
12489         (General_options::set_do_demangle): New function.
12490         (General_options::execstack_status_): Move definition to end of
12491         class definition.
12492         (General_options::static_): Likewise.
12493         (General_options::do_demangle_): New field.
12494         * object.cc (big_endian>::get_symbol_location_info): Call
12495         Options::do_demangle, not Options::demangle.
12496         * symtab.cc (demangle): Likewise.
12497
12498 2008-03-22  Ian Lance Taylor  <iant@google.com>
12499
12500         * gold.h: Include <cstddef> and <sys/types.h>
12501         * options.h: Include <cstring>.
12502
12503 2008-03-21  Ian Lance Taylor  <iant@google.com>
12504
12505         * Added source code to GNU binutils.