gold/ChangeLog

   1 2012-01-24  Cary Coutant  <ccoutant@google.com>
   2
   3         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
   4         definition and ...
   5         (read_unsigned_LEB_128_x): ... this new function.
   6         (read_signed_LEB_128): Replaced with inline definition and ...
   7         (read_signed_LEB_128_x): ... this new function.
   8         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
   9         (read_unsigned_LEB_128): Add inline definition.
  10         (read_signed_LEB_128_x): New function.
  11         (read_signed_LEB_128): Add inline definition.
  12         * testsuite/Makefile.am (leb128_unittest): New unit test.
  13         * testsuite/Makefile.in: Regenerate.
  14         * testsuite/leb128_unittest.cc: New unit test.
  15
  16 2012-01-23  Ian Lance Taylor  <iant@google.com>
  17
  18         PR gold/13617
  19         * i386.cc (Target_i386::do_code_fill): When using a jmp
  20         instruction, pad with nop instructions.
  21         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
  22
  23 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
  24
  25         * x86_64.cc (gc_process_relocs): Add typename on types used in
  26         template.
  27         (scan_relocs): Likewise.
  28         (relocate_section): Likewise.
  29         (apply_relocation): Likewise.
  30
  31 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
  32
  33         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
  34         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
  35         under x32.
  36
  37 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
  38
  39         * x86_64.cc: Initial support for x32.
  40
  41 2012-01-03  Cary Coutant  <ccoutant@google.com>
  42
  43         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  44         Use abstract base class for GOT.
  45         * gold/output.h (class Output_data_got_base): New abstract base class.
  46         (class Output_data_got): Derive from new base class, adjust ctors.
  47         (Output_data_got::reserve_slot): Make virtual; rename to
  48         do_reserve_slot; Adjust callers.
  49         * gold/target.h (Sized_target::init_got_plt_for_update): Return
  50         pointer to abstract base class.
  51         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
  52
  53 2011-12-18  Ian Lance Taylor  <iant@google.com>
  54
  55         * object.h (Relobj::local_symbol_value): New function.
  56         (Relobj::local_plt_offset): New function.
  57         (Relobj::local_has_got_offset): New function.
  58         (Relobj::local_got_offset): New function.
  59         (Relobj::set_local_got_offset): New function.
  60         (Relobj::do_local_symbol_value): New pure virtual function.
  61         (Relobj::do_local_plt_offset): Likewise.
  62         (Relobj::do_local_has_got_offset): Likewise.
  63         (Relobj::do_local_got_offset): Likewise.
  64         (Relobj::do_set_local_got_offset): Likewise.
  65         (Sized_relobj::do_local_has_got_offset): Rename from
  66         local_has_got_offset.
  67         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
  68         (Sized_relobj::do_set_local_got_offset): Rename from
  69         set_local_got_offset.
  70         (Sized_relobj_file::do_local_plt_offset): Rename from
  71         local_plt_offset.
  72         (Sized_relobj_file::do_local_symbol_value): New function.
  73         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
  74         local_plt_offset.
  75         * output.cc (Output_data_got::Got_entry::write): Change object to
  76         Relobj.  Use local_symbol_value.
  77         (Output_data_got::add_global_with_rel): Change rel_dyn to
  78         Output_data_reloc_generic*.  Use add_global_generic.
  79         (Output_data_got::add_global_with_rela): Remove.  Change all
  80         callers to use add_global_with_rel.
  81         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
  82         Output_data_reloc_generic*.  Use add_global_generic.
  83         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
  84         callers to use add_global_pair_with_rel.
  85         (Output_data_got::add_local): Change object to Relobj*.
  86         (Output_data_got::add_local_plt): Likewise.
  87         (Output_data_got::add_local_with_rel): Change object to Relobj*,
  88         change rel_dyn to Output_data_reloc_generic*.  Use
  89         add_local_generic.
  90         (Output_data_got::add_local_with_rela): Remove.  Change all
  91         callers to use all_local_with_rel.
  92         (Output_data_got::add_local_pair_with_rel): Change object to
  93         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
  94         add_output_section_generic.
  95         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
  96         callers to use add_local_pair_with_rel.
  97         (Output_data_got::reserve_local): Change object to Relobj*.
  98         * output.h: (class Output_data_reloc_generic): Add pure virtual
  99         declarations for add_global_generic, add_local_generic,
 100         add_output_section_generic.
 101         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 102         functions for Output_data_reloc_generic.  Update declarations for
 103         changes listed in output.cc.
 104         (class Output_data_got): Change template parameter to got_size.
 105         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 106         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 107         function.
 108         (Sized_relobj_incr::do_local_plt_offset): New function.
 109         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 110         add_global_generic.
 111
 112 2011-12-17  Cary Coutant  <ccoutant@google.com>
 113
 114         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 115         * resolve.cc (Symbol_table::resolve): Likewise.
 116         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 117         arrays.
 118         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 119
 120 2011-12-16  Ian Lance Taylor  <iant@google.com>
 121
 122         * output.h (Output_data_reloc_generic::add): Only call
 123         add_dynamic_reloc if this is a dynamic reloc section.
 124
 125 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 126
 127         PR gold/13505
 128         * target-reloc.h (apply_relocation): Replace <64, false> with
 129         <size, big_endian>.
 130
 131 2011-11-25  Nick Clifton  <nickc@redhat.com>
 132
 133         * po/it.po: New Italian translation.
 134
 135 2011-11-17  Sterling Augustine  <saugustine@google.com>
 136
 137         * script.cc (script_include_directive): Implement.
 138         (read_script_file): New local variables name and search_path. Update
 139         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 140         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 141         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 142
 143 2011-11-11  Sterling Augustine  <saugustine@google.com>
 144
 145         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 146         (file_or_sections_cmd): Likewise.
 147
 148 2011-11-11  Doug Kwan  <dougkwan@google.com>
 149
 150         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 151         if --just-symbols is given.
 152
 153 2011-11-10  Doug Kwan  <dougkwan@google.com>
 154
 155         PR gold/13362
 156         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 157         when processing data relocs.
 158         * reloc.h (Relocate_functions::rel_unaligned): New method.
 159         (Relocate_functions::pcrel_unaligned): Ditto.
 160         (Relocate_functions::rel32_unaligned): Ditto.
 161         (Relocate_functions::pcrel32_unaligned): Ditto.
 162
 163 2011-11-09  Doug Kwan  <dougkwan@google.com>
 164
 165         PR gold/13362
 166         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 167         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 168         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 169         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 170         (Relocate_functions::rel_unaligned): New.
 171         (Relocate_functions::rel32_unaligned): New.
 172         * target-reloc.h (relocate_for_relocatable): Add code to handle
 173         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 174         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 175         arm_unaligned_reloc_r): New targets.
 176         * testsuite/Makefile.in: Regenerate.
 177         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 178         linking.
 179
 180 2011-11-02  Ian Lance Taylor  <iant@google.com>
 181
 182         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 183         NATIVE_LINKER.
 184         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 185         * options.cc (General_options::finalize): Use library search path
 186         from configure script if specified.  If not native and no sysroot,
 187         only search TOOLLIBDIR.
 188         * options.h (Search_directory::Search_directory): Change name to
 189         const std::string&.
 190         (General_options::add_to_library_path_with_sysroot): Change arg to
 191         const std::string&.
 192         * configure, Makefile.in, config.in: Rebuild.
 193
 194 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 195
 196         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 197         we are working around the ARM1176 Erratum.
 198         * options.h (General_options::fix_arm1176): Add option.
 199         * testsuite/Makefile.am: Add testcases, and keep current ones
 200         working.
 201         * testsuite/Makefile.in: Regenerate.
 202         * testsuite/arm_fix_1176.s: New file.
 203         * testsuite/arm_fix_1176.sh: Likewise.
 204
 205 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 206
 207         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 208         may_use_blx_.
 209         (Target_arm::may_use_blx): Remove method.
 210         (Target_arm::set_may_use_blx): Likewise.
 211         (Target_arm::may_use_v4t_interworking): New method.
 212         (Target_arm::may_use_v5t_interworking): Likewise.
 213         (Target_arm::may_use_blx_): Remove member variable.
 214         (Arm_relocate_functions::arm_branch_common): Check for v5T
 215         interworking.
 216         (Arm_relocate_functions::thumb_branch_common): Likewise.
 217         (Reloc_stub::stub_type_for_reloc): Likewise.
 218         (Target_arm::do_finalize_sections): Correct interworking checks.
 219         * testsuite/Makefile.am: Add new tests.
 220         * testsuite/Makefile.in: Regenerate.
 221         * testsuite/arm_farcall_arm_arm.s: New test.
 222         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 223         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 224         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 225         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 226         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 227         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 228         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 229
 230 2011-10-31  Cary Coutant  <ccoutant@google.com>
 231
 232         PR gold/13023
 233         * expression.cc (Expression::eval_with_dot): Add
 234         is_section_dot_assignment parameter.
 235         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 236         absolute and assigning to dot within a section.
 237         * script-sections.cc
 238         (Output_section_element_assignment::set_section_addresses): Pass
 239         dot_section to set_if_absolute.
 240         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 241         as is_section_dot_assignment flag to eval_with_dot.
 242         (Output_section_element_dot_assignment::set_section_addresses):
 243         Likewise.
 244         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 245         parameter.  Also set value if relative to dot_section; set the
 246         symbol's output_section.
 247         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 248         parameter.  Adjust all callers.
 249         (Expression::eval_maybe_dot): Likewise.
 250         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 251         Adjust all callers.
 252         * testsuite/script_test_2.t: Test assignment of an absolute value
 253         to dot within an output section element.
 254
 255 2011-10-31  Cary Coutant  <ccoutant@google.com>
 256
 257         * options.h (class General_options): Add --[no-]gnu-unique options.
 258         * symtab.cc (Symbol_table::sized_write_globals): Convert
 259         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 260
 261 2011-10-31  Cary Coutant  <ccoutant@google.com>
 262
 263         PR gold/13359
 264         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 265         unnecessary assertion.
 266         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 267
 268 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 269
 270         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 271         gc_mark_symbol.
 272         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 273         gc_mark_symbol.
 274         Change to just keep the section associated with symbol.
 275         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 276         they are externally visible and --export-dynamic is turned on.
 277         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 278
 279 2011-10-19  Ian Lance Taylor  <iant@google.com>
 280
 281         PR gold/13163
 282         * script-sections.cc
 283         (Output_section_element_dot_assignment::needs_output_section): New
 284         function.
 285
 286 2011-10-19  Ian Lance Taylor  <iant@google.com>
 287
 288         PR gold/13204
 289         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 290         --section-start option was seen.
 291         * options.h (General_options::any_section_start): New function.
 292
 293 2011-10-18  David S. Miller  <davem@davemloft.net>
 294
 295         PR binutils/13301
 296         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 297         member to track relocation locations that have moved during TLS
 298         reloc optimizations.
 299         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 300         (Target_sparc::Relocate::relocate): Adjust view down by 4
 301         bytes if it matches reloc_adjust_addr_.
 302         (Target_sparc::Relocate::relocate_tls): Always move the
 303         __tls_get_addr call delay slot instruction forward 4 bytes when
 304         performing relaxation.
 305
 306 2011-10-18  Cary Coutant  <ccoutant@google.com>
 307
 308         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 309         (Output_file::map_no_anonymous): Check for non-zero
 310         return code from posix_fallocate.
 311
 312 2011-10-17  Cary Coutant  <ccoutant@google.com>
 313
 314         PR gold/13245
 315         * plugin.cc (is_visible_from_outside): Check for symbols
 316         referenced from dynamic objects.
 317         * resolve.cc (Symbol_table::resolve): Don't count references
 318         from dynamic objects as references from real ELF files.
 319         * testsuite/plugin_test_2.sh: Adjust expected result.
 320
 321 2011-10-17  Cary Coutant  <ccoutant@google.com>
 322
 323         * gold.cc: Include timer.h.
 324         (queue_middle_tasks): Stamp time.
 325         (queue_final_tasks): Likewise.
 326         * main.cc (main): Store timer in parameters.  Print timers
 327         for each pass.
 328         * parameters.cc (Parameters::Parameters): Initialize timer_.
 329         (Parameters::set_timer): New function.
 330         (set_parameters_timer): New function.
 331         * parameters.h (Parameters::set_timer): New function.
 332         (Parameters::timer): New function.
 333         (Parameters::timer_): New data member.
 334         (set_parameters_timer): New function.
 335         * timer.cc (Timer::stamp): New function.
 336         (Timer::get_pass_time): New function.
 337         * timer.h (Timer::stamp): New function.
 338         (Timer::get_pass_time): New function.
 339         (Timer::pass_times_): New data member.
 340
 341 2011-10-17  Cary Coutant  <ccoutant@google.com>
 342
 343         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 344         task for members of lib groups.
 345
 346 2011-10-17  Cary Coutant  <ccoutant@google.com>
 347
 348         PR gold/13288
 349         * fileread.cc (File_read::find_view): Add assert.
 350         (File_read::make_view): Move bounds check (replace with assert)...
 351         (File_read::find_or_make_view): ... to here.
 352
 353 2011-10-12  Cary Coutant  <ccoutant@google.com>
 354
 355         * output.cc (Output_file::open_base_file): Handle case where
 356         ::read returns less than requested size.
 357
 358 2011-10-10  Cary Coutant  <ccoutant@google.com>
 359
 360         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 361         Initialize defined_count_.
 362         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 363         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 364         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 365         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 366         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 367         * incremental.h (Sized_relobj_incr::defined_count_): New data
 368         member.
 369         (Sized_incr_dynobj::defined_count_): New data member.
 370         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 371         Return zeroes instead of internal error.
 372
 373 2011-10-10  Cary Coutant  <ccoutant@google.com>
 374
 375         PR gold/13249
 376         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 377         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 378         * output.h (class Output_reloc): Add use_plt_offset flag.
 379         (Output_reloc::type_): Adjust size of bit field.
 380         (Output_reloc::use_plt_offset_): New bit field.
 381         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 382         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 383         flag.  Adjust all callers.
 384         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 385         creating RELATIVE relocations.
 386
 387 2011-10-10  Nick Clifton  <nickc@redhat.com>
 388
 389         * po/es.po: Updated Spanish translation.
 390         * po/fi.po: Updated Finnish translation.
 391
 392 2011-10-03   Diego Novillo  <dnovillo@google.com>
 393
 394         * options.cc (parse_uint): Fix dereference of RETVAL.
 395
 396 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 397
 398         * layout.h (section_order_map_): New member.
 399         (get_section_order_map): New member function.
 400         * output.cc (Output_section::add_input_section): Check for patterns
 401         only when --section-ordering-file is specified.
 402         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 403         output_sections have been formed.
 404         * layout.cc (Layout_Layout): Initialize section_order_map_.
 405         * plugin.cc (update_section_order): Store order in order_map. Do not
 406         update the order.
 407         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 408         * testsuite/Makefile.in: Regenerate.
 409         * testsuite/plugin_section_order.c: New file.
 410         * testsuite/plugin_final_layout.cc: New file.
 411         * testsuite/plugin_final_layout.sh: New file.
 412
 413 2011-09-29  Cary Coutant  <ccoutant@google.com>
 414
 415         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 416         Check for NULL.
 417         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 418         symbols during incremental update.
 419         (Symbol_table::add_from_dynobj): Likewise.
 420
 421 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 422             Ian Lance Taylor  <iant@google.com>
 423
 424         * symtab.cc (Symbol_table::define_special_symbol): Always
 425         canonicalize version string.
 426
 427 2011-09-26  Cary Coutant  <ccoutant@google.com>
 428
 429         * gold.cc (queue_initial_tasks): Move option checks ...
 430         * options.cc (General_options::finalize): ... to here. Disable
 431         some options; make others fatal.
 432
 433 2011-09-26  Cary Coutant  <ccoutant@google.com>
 434
 435         gcc PR lto/47247
 436         * plugin.cc (get_symbols_v2): New function.
 437         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 438         (is_referenced_from_outside): New function.
 439         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 440         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 441         (get_symbols): Pass version parameter.
 442         (get_symbols_v2): New function.
 443         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 444         parameter.
 445         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 446         (onload): Add LDPT_GET_SYMBOLS_V2.
 447         (all_symbols_read_hook): Use get_symbols_v2; check for
 448         LDPR_PREVAILING_DEF_IRONLY_EXP.
 449         * testsuite/plugin_test_3.sh: Update expected results.
 450
 451 2011-09-23  Simon Baldwin  <simonb@google.com>
 452
 453         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 454         configuration options.
 455         * configure: Regenerate.
 456         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 457         * Makefile.in: Regenerate.
 458         * testsuite/Makefile.in: Regenerate.
 459
 460 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 461
 462         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 463
 464 2011-09-19  Cary Coutant  <ccoutant@google.com>
 465
 466         * incremental.cc (can_incremental_update): Fix typo in comment.
 467         * incremental.h (can_incremental_update): Likewise.
 468
 469 2011-09-18  Cary Coutant  <ccoutant@google.com>
 470
 471         * incremental.cc (can_incremental_update): New function.
 472         * incremental.h (can_incremental_update): New function.
 473         * layout.cc (Layout::init_fixed_output_section): Call it.
 474         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 475         * object.cc (Sized_relobj_file::do_layout): Call
 476         can_incremental_update.
 477
 478 2011-09-13  Cary Coutant  <ccoutant@google.com>
 479
 480         * configure.ac: Check for glibc support for gnu_indirect_function
 481         support with static linking, setting automake conditional
 482         IFUNC_STATIC.
 483         * Makefile.in: Regenerate.
 484         * configure: Regenerate.
 485
 486         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 487         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 488         for IFUNC_STATIC.
 489         * testsuite/Makefile.in: Regenerate.
 490
 491 2011-09-13  Cary Coutant  <ccoutant@google.com>
 492
 493         * incremental.cc (Sized_relobj_incr::do_layout): Call
 494         report_comdat_group for kept comdat sections.
 495         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 496         * testsuite/Makefile.in: Regenerate.
 497         * testsuite/incr_comdat_test_1.cc: New source file.
 498         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 499         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 500         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 501
 502 2011-09-13  Ian Lance Taylor  <iant@google.com>
 503
 504         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 505         variable external_symbols_offset.
 506
 507 2011-09-12  Ian Lance Taylor  <iant@google.com>
 508
 509         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 510         triggered if object has no symbols.
 511
 512 2011-09-09  David S. Miller  <davem@davemloft.net>
 513
 514         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 515         (Output_fill_debug_line::do_write): Likewise.
 516
 517 2011-08-29  Cary Coutant  <ccoutant@google.com>
 518
 519         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 520         casts to match formatting specs.
 521         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 522
 523 2011-08-26  Cary Coutant  <ccoutant@google.com>
 524
 525         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 526         remaining hole size when allocating.
 527         (Layout::make_output_section): Set fill methods for debug sections.
 528         * layout.h (Free_list::Free_list_node): Move from private to
 529         public.
 530         (Free_list::set_min_hole_size): New function.
 531         (Free_list::begin, Free_list::end): New functions.
 532         (Free_list::min_hole_): New data member.
 533         * output.cc: Include dwarf.h.
 534         (Output_fill_debug_info::do_minimum_hole_size): New function.
 535         (Output_fill_debug_info::do_write): New function.
 536         (Output_fill_debug_line::do_minimum_hole_size): New function.
 537         (Output_fill_debug_line::do_write): New function.
 538         (Output_section::Output_section): Initialize new data member.
 539         (Output_section::set_final_data_size): Ensure patch space is larger
 540         than minimum hole size.
 541         (Output_section::do_write): Fill holes in debug sections.
 542         * output.h (Output_fill): New class.
 543         (Output_fill_debug_info): New class.
 544         (Output_fill_debug_line): New class.
 545         (Output_section::set_free_space_fill): New function.
 546         (Output_section::free_space_fill_): New data member.
 547         * testsuite/Makefile.am (incremental_test_3): Add
 548         --incremental-patch option.
 549         (incremental_test_4): Likewise.
 550         (incremental_test_5): Likewise.
 551         (incremental_test_6): Likewise.
 552         (incremental_copy_test): Likewise.
 553         (incremental_common_test_1): Likewise.
 554         * testsuite/Makefile.in: Regenerate.
 555
 556 2011-08-26  Nick Clifton  <nickc@redhat.com>
 557
 558         * po/es.po: Updated Spanish translation.
 559
 560 2011-08-01  Cary Coutant  <ccoutant@google.com>
 561
 562         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 563         * gold/testsuite/Makefile.in: Regenerate.
 564         * gold/testsuite/justsyms_exec.c: New source file.
 565         * gold/testsuite/justsyms_lib.c: New source file.
 566
 567 2011-08-01  Cary Coutant  <ccoutant@google.com>
 568
 569         * layout.cc (Layout::set_segment_offsets): Don't realign text
 570         segment if -Ttext was specified.
 571         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 572         file type.
 573         * object.h (Sized_relobj_file::e_type): New function.
 574         (Sized_relobj_file::e_type_): New data member.
 575         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 576         base address for ET_EXEC files.
 577         * target.cc (Target::do_make_elf_object_implementation): Allow
 578         ET_EXEC files with --just-symbols option.
 579
 580 2011-07-28  Cary Coutant  <ccoutant@google.com>
 581
 582         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 583         Add thread_number parameter.
 584         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 585         * workqueue-threads.cc
 586         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 587         current thread if its thread number is greater than desired thread
 588         count.
 589         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 590         Add thread_number parameter.
 591         (Workqueue::should_cancel_thread): Likewise.
 592         (Workqueue::find_runnable_or_wait): Pass thread_number to
 593         should_cancel_thread.
 594         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 595         parameter.
 596
 597 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 598
 599         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 600         only after checking if it cannot be forced local.
 601         * symtab.h (is_externally_visible): Check if the symbol is not forced
 602         local.
 603
 604 2011-07-15  Ian Lance Taylor  <iant@google.com>
 605
 606         * options.h (class General_options): Add --print-output-format.
 607         Move -EL next to -EB, for  better --help output.
 608         * target-select.cc: Include <cstdio>, "options.h", and
 609         "parameters.h".
 610         (Target_selector::do_target_bfd_name): New function.
 611         (print_output_format): New function.
 612         * target-select.h (class Target_selector): Update declarations.
 613         (Target_selector::target_bfd_name): New function.
 614         (print_output_format): Declare.
 615         * main.cc: Include "target-select.h".
 616         (main): Handle --print-output-format.
 617         * gold.cc: Include "target-select.h".
 618         (queue_initial_tasks): Handle --print-output-format when there are
 619         no input files.
 620         * parameters.cc (parameters_force_valid_target): Give a better
 621         error message if -EB/-EL does not match target.
 622         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 623         function.
 624
 625 2011-07-15  Ian Lance Taylor  <iant@google.com>
 626
 627         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 628         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 629         (Output_data_plt_i386::do_write): Write address of .dynamic
 630         section to first entry in .got.plt section.
 631         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 632         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 633         Initialize layout_.
 634         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 635         section to first entry in .got.plt section.
 636         * layout.h (Layout::dynamic_section): New function.
 637
 638 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 639
 640         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 641         to claim_file call.
 642         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 643         input_section_position_, and input_section_glob_.
 644         (read_layout_from_file): Call function section_ordering_specified.
 645         * layout.h (is_section_ordering_specified): New function.
 646         (section_ordering_specified): New function.
 647         (section_ordering_specified_): New boolean member.
 648         * main.cc(main): Call load_plugins after layout object is defined.
 649         * output.cc (Output_section::add_input_section): Use
 650         function section_ordering_specified to check if section ordering is
 651         needed.
 652         * output.cc (Output_section::add_relaxed_input_section): Use
 653         function section_ordering_specified to check if section ordering is
 654         needed.
 655         (Output_section::update_section_layout): New function.
 656         (Output_section::sort_attached_input_sections): Check if input section
 657         must be reordered.
 658         * output.h (Output_section::update_section_layout): New function.
 659         * plugin.cc (get_section_count): New function.
 660         (get_section_type): New function.
 661         (get_section_name): New function.
 662         (get_section_contents): New function.
 663         (update_section_order): New function.
 664         (allow_section_ordering): New function.
 665         (Plugin::load): Add the new interfaces to the transfer vector.
 666         (Plugin_manager::load_plugins): New parameter.
 667         (Plugin_manager::all_symbols_read): New parameter.
 668         (Plugin_manager::claim_file): New parameter. Save the elf object for
 669         unclaimed objects.
 670         (Plugin_manager::get_elf_object): New function.
 671         (Plugin_manager::get_view): Change to directly use the bool to check
 672         if get_view is called from claim_file_hook.
 673         * plugin.h (input_objects): New function
 674         (Plugin__manager::load_plugins): New parameter.
 675         (Plugin_manager::claim_file): New parameter.
 676         (Plugin_manager::get_elf_object): New function.
 677         (Plugin_manager::in_claim_file_handler): New function.
 678         (Plugin_manager::in_claim_file_handler_): New member.
 679         (layout): New function.
 680         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 681         handler with an extra parameter. Make the elf object before calling
 682         claim_file handler.
 683         * testsuite/plugin_test.c (get_section_count): New function pointer.
 684         (get_section_type): New function pointer.
 685         (get_section_name): New function pointer.
 686         (get_section_contents): New function pointer.
 687         (update_section_order): New function pointer.
 688         (allow_section_ordering): New function pointer.
 689         (onload): Check if the new interfaces exist.
 690
 691 2011-07-13  Ian Lance Taylor  <iant@google.com>
 692
 693         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 694         relro section.
 695         * x86_64.cc (Target_x86_64::got_section): Likewise.
 696         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 697         (relro_now_test_SOURCES): New variable.
 698         (relro_now_test_DEPENDENCIES): New variable.
 699         (relro_now_test_LDFLAGS): New variable.
 700         (relro_now_test_LDADD): New variable.
 701         (relro_now_test.so): New target.
 702         * testsuite/Makefile.in: Rebuild.
 703
 704 2011-07-12  Ian Lance Taylor  <iant@google.com>
 705
 706         PR gold/12980
 707         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 708         GLOB_DAT relocation rather than a RELATIVE relocation for a
 709         protected symbol when creating a shared library.
 710         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 711         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 712         * testsuite/protected_main_1.cc (main): Test that protected
 713         function has same address.
 714
 715 2011-07-11  Ian Lance Taylor  <iant@google.com>
 716
 717         PR gold/12979
 718         * options.h (class General_options): Add -Bgroup.
 719         * options.cc (General_options::finalize): If -Bgroup is set,
 720         default to --unresolved-symbols=report-all.
 721         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 722         * target-reloc.h (issue_undefined_symbol_error): Handle
 723         --unresolved-symbols=report-all.
 724
 725 2011-07-08  Ian Lance Taylor  <iant@google.com>
 726
 727         PR gold/11985
 728         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 729         if linker script discards key sections.
 730         (Layout::create_dynamic_symtab): Likewise.
 731         (Layout::assign_local_dynsym_offsets): Likewise.
 732         (Layout::sized_create_version_sections): Likewise.
 733         (Layout::create_interp): Likewise.
 734         (Layout::finish_dynamic_section): Likewise.
 735         (Layout::set_dynamic_symbol_size): Likewise.
 736
 737 2011-07-08  Ian Lance Taylor  <iant@google.com>
 738
 739         PR gold/12386
 740         * options.h (class General_options): Add --unresolved-symbols.
 741         * target-reloc.h (issue_undefined_symbol_error): Check
 742         --unresolved-symbols.  Add comments.
 743
 744 2011-07-08  Ian Lance Taylor  <iant@google.com>
 745
 746         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 747         expression more complex.
 748
 749 2011-07-08  Ian Lance Taylor  <iant@google.com>
 750
 751         PR gold/11317
 752         * target-reloc.h (issue_undefined_symbol_error): New inline
 753         function, broken out of relocate_section.
 754         (relocate_section): Call issue_undefined_symbol_error.
 755         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 756         there is no TLS segment if we are about to issue an undefined
 757         symbol error.
 758         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 759
 760 2011-07-08  Ian Lance Taylor  <iant@google.com>
 761
 762         PR gold/12279
 763         * resolve.cc (Symbol_table::should_override): Add fromtype
 764         parameter.  Change all callers.  Give error when linking together
 765         TLS and non-TLS symbol.
 766         (Symbol_table::should_override_with_special): Add fromtype
 767         parameter.  Change all callers.
 768         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 769         there is no TLS segment if we have reported some errors.
 770         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 771
 772 2011-07-08  Ian Lance Taylor  <iant@google.com>
 773
 774         PR gold/12372
 775         * target.h (Target::plt_address_for_global): New function.
 776         (Target::plt_address_for_local): New function.
 777         (Target::plt_section_for_global): Remove.
 778         (Target::plt_section_for_local): Remove.
 779         (Target::do_plt_address_for_global): New virtual function.
 780         (Target::do_plt_address_for_local): New virtual function.
 781         (Target::do_plt_section_for_global): Remove.
 782         (Target::do_plt_section_for_local): Remove.
 783         (Target::register_global_plt_entry): Add Symbol_table and Layout
 784         parameters.
 785         * output.cc (Output_data_got::Got_entry::write): Use
 786         plt_address_for_global and plt_address_for_local.
 787         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 788         address of output section.
 789         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 790         got_irelative_, and irelative_count_ fields.  Update
 791         declarations.
 792         (Output_data_plt_i386::has_irelative_section): New function.
 793         (Output_data_plt_i386::entry_count): Add irelative_count_.
 794         (Output_data_plt_i386::set_final_data_size): Likewise.
 795         (class Target_i386): Add got_irelative_ and rel_irelative_
 796         fields.  Update declarations.
 797         (Target_i386::Target_i386): Initialize new fields.
 798         (Target_i386::do_plt_address_for_global): New function replacing
 799         do_plt_section_for_global.
 800         (Target_i386::do_plt_address_for_local): New function replacing
 801         do_plt_section_for_local.
 802         (Target_i386::got_section): Create got_irelative_.
 803         (Target_i386::rel_irelative_section): New function.
 804         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 805         fields.  Don't define __rel_iplt_{start,end}.
 806         (Output_data_plt_i386::add_entry): Add symtab and layout
 807         parameters.  Change all callers.  Use different PLT and GOT for
 808         IFUNC symbols.
 809         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 810         layout parameters.  Change all callers.  Use different PLT and
 811         GOT.
 812         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 813         (Output_data_plt_i386::rel_irelative): New function.
 814         (Output_data_plt_i386::address_for_global): New function.
 815         (Output_data_plt_i386::address_for_local): New function.
 816         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 817         IRELATIVE GOT when changing IFUNC GOT entries.
 818         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 819         reloc.
 820         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 821         if we didn't create an IRELATIVE GOT.
 822         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 823         plt_address_for_local.
 824         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 825         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 826         got_irelative_, and irelative_count_ fields.  Update
 827         declarations.
 828         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 829         Initialize new fields.  Remove symtab parameter.  Change all
 830         callers.
 831         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 832         irelative_count_.
 833         (Output_data_plt_x86_64::has_irelative_section): New function.
 834         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 835         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 836         fields.  Update declarations.
 837         (Target_x86_64::Target_x86_64): Initialize new fields.
 838         (Target_x86_64::do_plt_address_for_global): New function replacing
 839         do_plt_section_for_global.
 840         (Target_x86_64::do_plt_address_for_local): New function replacing
 841         do_plt_section_for_local.
 842         (Target_x86_64::got_section): Create got_irelative_.
 843         (Target_x86_64::rela_irelative_section): New function.
 844         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 845         all callers.  Don't create __rel_iplt_{start,end}.
 846         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 847         parameters.  Change all callers.  Use different PLT and GOT for
 848         IFUNC symbols.
 849         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 850         layout parameters.  Change all callers.  Use different PLT and
 851         GOT.
 852         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 853         parameters.  Change all callers.  Use different PLT and GOT for
 854         IFUNC symbols.
 855         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 856         (Output_data_plt_x86_64::rela_irelative): New function.
 857         (Output_data_plt_x86_64::address_for_global): New function.
 858         (Output_data_plt_x86_64::address_for_local): New function.
 859         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 860         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 861         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 862         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 863         parameters.
 864         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 865         reloc.
 866         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 867         symbols if we didn't create an IRELATIVE GOT.
 868         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 869         plt_address_for_local.
 870         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 871         * testsuite/ifuncvar1.c: New test file.
 872         * testsuite/ifuncvar2.c: New test file.
 873         * testsuite/ifuncvar3.c: New test file.
 874         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 875         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 876         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 877         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 878         * testsuite/Makefile.in: Rebuild.
 879
 880 2011-07-07  Cary Coutant  <ccoutant@google.com>
 881
 882         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 883         (two_file_test_1_ndebug.o): Likewise.
 884         (two_file_test_1b_ndebug.o): Likewise.
 885         (two_file_test_2_ndebug.o): Likewise.
 886         (two_file_test_main_ndebug.o): Likewise.
 887         (incremental_test_2): Link with no-debug versions.
 888
 889 2011-07-06  Cary Coutant  <ccoutant@google.com>
 890
 891         * gold/incremental.cc
 892         (Output_section_incremental_inputs::write_info_blocks): Check for
 893         hidden and internal symbols.
 894
 895 2011-07-06  Cary Coutant  <ccoutant@google.com>
 896
 897         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 898         Check disposition for startup file.
 899         (Incremental_inputs::report_command_line): Ignore
 900         --incremental-startup-unchanged option.
 901         * options.cc (General_options::parse_incremental_startup_unchanged):
 902         New function.
 903         (General_options::General_options): Initialize new data member.
 904         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 905         (General_options): Add --incremental-startup-unchanged option.
 906         (General_options::incremental_startup_disposition): New function.
 907         (General_options::incremental_startup_disposition_): New data member.
 908
 909 2011-07-06  Cary Coutant  <ccoutant@google.com>
 910
 911         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 912         input file index to Script_info ctor.
 913         (Sized_incremental_binary::do_file_has_changed): Find the
 914         command-line argument for files named in scripts.
 915         * incremental.h (Script_info::Script_info): New ctor
 916         with input file index.
 917         (Script_info::input_file_index): New function.
 918         (Script_info::input_file_index_): New data member.
 919         (Incremental_binary::get_library): Add const.
 920         (Incremental_binary::get_script_info): Add const.
 921         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 922         * testsuite/Makefile.am (incremental_test_5): New test case.
 923         (incremental_test_6): New test case.
 924         * testsuite/Makefile.in: Regenerate.
 925
 926 2011-07-06  Cary Coutant  <ccoutant@google.com>
 927
 928         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 929         debug output when command lines differ.
 930
 931 2011-07-06  Cary Coutant  <ccoutant@google.com>
 932
 933         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 934         --incremental-patch option.
 935         * layout.cc (Free_list::allocate): Extend allocation beyond original
 936         end if enabled.
 937         (Layout::make_output_section): Mark sections that should get
 938         patch space.
 939         * options.cc (parse_percent): New function.
 940         * options.h (parse_percent): New function.
 941         (DEFINE_percent): New macro.
 942         (General_options): Add --incremental-patch option.
 943         * output.cc (Output_section::Output_section): Initialize new data
 944         members.
 945         (Output_section::add_input_section): Print section name when out
 946         of patch space.
 947         (Output_section::add_output_section_data): Likewise.
 948         (Output_section::set_final_data_size): Add patch space when
 949         doing --incremental-full.
 950         (Output_section::do_reset_address_and_file_offset): Remove patch
 951         space.
 952         (Output_segment::set_section_list_addresses): Print debug output
 953         only if --incremental-update.
 954         * output.h (Output_section::set_is_patch_space_allowed): New function.
 955         (Output_section::is_patch_space_allowed_): New data member.
 956         (Output_section::patch_space_): New data member.
 957         * parameters.cc (Parameters::incremental_full): New function.
 958         * parameters.h (Parameters::incremental_full): New function
 959         * testsuite/Makefile.am (incremental_test_2): Add test for
 960         --incremental-patch option.
 961         * testsuite/Makefile.in: Regenerate.
 962         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 963         (t18): Remove function body.
 964
 965 2011-07-05  Doug Kwan  <dougkwan@google.com>
 966
 967         PR gold/12771
 968         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 969         Arm_Address type for relocation result.
 970         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 971         overflow check.
 972         (Arm_relocate_functions::abs32): Use unaligned access.
 973         (Arm_relocate_functions::rel32): Ditto.
 974         (Arm_relocate_functions::prel31): Ditto.
 975         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 976         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 977         static data relocations.
 978         * testsuite/Makefile.in: Regnerate.
 979         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 980
 981 2011-07-05  Ian Lance Taylor  <iant@google.com>
 982
 983         PR gold/12392
 984         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 985         symbols if necessary.
 986         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 987
 988 2011-07-05  Ian Lance Taylor  <iant@google.com>
 989
 990         PR gold/12952
 991         * resolve.cc (Symbol::override_base_with_special): Simply override
 992         version with special symbol version, ignoring previous version.
 993
 994 2011-07-05  Ian Lance Taylor  <iant@google.com>
 995
 996         * object.cc (Sized_relobj_file::include_section_group): Add
 997         information to comment about signature location.
 998
 999 2011-07-02  Ian Lance Taylor  <iant@google.com>
1000
1001         PR gold/12957
1002         * options.h (class General_options): Add -f and -F.
1003         * options.cc (General_options::finalize): Fatal error if -f/-F
1004         are used without -shared.
1005         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1006
1007 2011-07-02  Ian Lance Taylor  <iant@google.com>
1008
1009         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1010
1011 2011-07-01  Ian Lance Taylor  <iant@google.com>
1012
1013         PR gold/12525
1014         PR gold/12952
1015         * resolve.cc (Symbol::override_base_with_special): Don't override
1016         the version if the overriding symbol has a different name.
1017         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1018         all callers.  If we give an error about an undefined version,
1019         define the base version if necessary.
1020         * dynobj.h (class Versions): Update declaration.
1021         * testsuite/weak_alias_test_5.cc: New file.
1022         * testsuite/weak_alias_test.script: New file.
1023         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1024         and versioned_alias have the right value, and call t2.
1025         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1026         weak_alias_test_5.so.
1027         (weak_alias_test_LDADD): Likewise.
1028         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1029         * testsuite/Makefile.in: Rebuild.
1030
1031 2011-07-01  Ian Lance Taylor  <iant@google.com>
1032
1033         PR gold/12525
1034         * options.h (class General_options): Support -z notext.
1035         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1036         -Wl,-z,notext.
1037         (two_file_shared_nonpic.so): Likewise.
1038         (two_file_shared_mixed.so): Likewise.
1039         (two_file_shared_mixed_1.so): Likewise.
1040         (weak_undef_lib_nonpic.so): Likewise.
1041         (alt/weak_undef_lib_nonpic.so): Likewise.
1042         (tls_test_shared_nonpic.so): Likewise.
1043         * testsuite/Makefile.in: Rebuild.
1044
1045 2011-07-01  Ian Lance Taylor  <iant@google.com>
1046
1047         PR gold/12525
1048         * configure.ac: Test whether static linking works, setting
1049         the automake conditional HAVE_STATIC.
1050         * testsuite/Makefile.am: Disable tests using -static if
1051         HAVE_STATIC is not true.
1052         * configure, testsuite/Makefile.in: Rebuild.
1053
1054 2011-07-01  Ian Lance Taylor  <iant@google.com>
1055
1056         PR gold/12525
1057         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1058         Assert if we see DW_EH_PE_indirect.
1059         * target.h (Target::ehframe_datarel_base): New function.
1060         (Target::do_ehframe_datarel_base): New target function.
1061         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1062         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1063         function.
1064
1065 2011-07-01  Ian Lance Taylor  <iant@google.com>
1066
1067         PR gold/12571
1068         * options.h (class General_options): Add
1069         --ld-generated-unwind-info.
1070         * ehframe.cc (Fde::write): Add address parameter.  Change all
1071         callers.  If associated with PLT, fill in address and size.
1072         (Cie::set_output_offset): Only add merge mapping if there is an
1073         object.
1074         (Cie::write): Add address parameter.  Change all callers.
1075         (Eh_frame::add_ehframe_for_plt): New function.
1076         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1077         input_offset_ fields into union u_, with new plt field.
1078         (Fde::Fde): Adjust for new union field.
1079         (Fde::Fde) [Output_data version]: New constructor.
1080         (Fde::add_mapping): Only add merge mapping if there is an object.
1081         (class Cie): Update declarations.
1082         (class Eh_frame): Declare add_ehframe_for_plt.
1083         * layout.cc (Layout::layout_eh_frame): Break out code into
1084         make_eh_frame_section, and call it.
1085         (Layout::make_eh_frame_section): New function.
1086         (Layout::add_eh_frame_for_plt): New function.
1087         * layout.h (class Layout): Update declarations.
1088         * merge.cc (Merge_map::add_mapping): Add assertion.
1089         * i386.cc: Include "dwarf.h".
1090         (class Output_data_plt_i386): Make first_plt_entry,
1091         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1092         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1093         and plt_eh_frame_fde.
1094         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1095         boundary.  Call add_eh_frame_for_plt if appropriate.
1096         * x86_64.cc: Include "dwarf.h".
1097         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1098         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1099         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1100         and plt_eh_frame_fde.
1101         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1102         appropriate.
1103
1104 2011-06-29  Ian Lance Taylor  <iant@google.com>
1105
1106         PR gold/12629
1107         * object.cc (Sized_relobj_file::layout_section): Change shdr
1108         parameter to be const.
1109         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1110         out of do_layout.
1111         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1112         appropriate.  Call layout_eh_frame_section.
1113         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1114         sections.
1115         * object.h (class Sized_relobj_file): Update declarations.
1116
1117 2011-06-29  Ian Lance Taylor  <iant@google.com>
1118
1119         PR gold/12652
1120         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1121         modifier.
1122         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1123
1124 2011-06-29  Ian Lance Taylor  <iant@google.com>
1125
1126         PR gold/12675
1127         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1128         SHT_X86_64_UNWIND.
1129         * layout.cc (Layout::layout_eh_frame): Likewise.
1130
1131 2011-06-29  Ian Lance Taylor  <iant@google.com>
1132
1133         PR gold/12695
1134         * layout.cc (Layout::symtab_section_shndx): New function.
1135         * layout.h (class Layout): Declare symtab_section_shndx.
1136         * output.cc (Output_section::write_header): Call it.
1137
1138 2011-06-29  Ian Lance Taylor  <iant@google.com>
1139
1140         PR gold/12818
1141         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1142         symbols which are not used in a relocation.
1143
1144 2011-06-28  Ian Lance Taylor  <iant@google.com>
1145
1146         PR gold/12898
1147         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1148         script create indistinguishable segments.
1149         (Layout::set_segment_offsets): Use stable_sort when sorting
1150         segments.  Pass this to Compare_segments constructor.
1151         * layout.h (class Layout): Make segment_precedes non-static.
1152         (class Compare_segments): Change from struct to class.  Add
1153         layout_ field.  Add constructor.
1154         * script-sections.cc
1155         (Script_sections::attach_sections_using_phdrs_clause): Rename
1156         local orphan to is_orphan.  Don't report failure to put empty
1157         section in segment.  On attachment failure, report name of
1158         section, and attach to first PT_LOAD segment.
1159
1160 2011-06-28  Ian Lance Taylor  <iant@google.com>
1161
1162         PR gold/12934
1163         * target-select.cc (Target_selector::Target_selector): Add
1164         emulation parameter.  Change all callers.
1165         (select_target_by_bfd_name): Rename from select_target_by_name.
1166         Change all callers.
1167         (select_target_by_emulation): New function.
1168         (supported_emulation_names): New function.
1169         * target-select.h (class Target_selector): Add emulation_ field.
1170         Update declarations.
1171         (Target_selector::recognize_by_bfd_name): Rename from
1172         recognize_by_name.  Change all callers.
1173         (Target_selector::supported_bfd_names): Rename from
1174         supported_names.  Change all callers.
1175         (Target_selector::recognize_by_emulation): New function.
1176         (Target_selector::supported_emulations): New function.
1177         (Target_selector::emulation): New function.
1178         (Target_selector::do_recognize_by_bfd_name): Rename from
1179         do_recognize_by_name.  Change all callers.
1180         (Target_selector::do_supported_bfd_names): Rename from
1181         do_supported_names.  Change all callers.
1182         (Target_selector::do_recognize_by_emulation): New function.
1183         (Target_selector::do_supported_emulations): New function.
1184         (select_target_by_bfd_name): Change name in declaration.
1185         (select_target_by_emulation): Declare.
1186         (supported_emulation_names): Declare.
1187         * parameters.cc (parameters_force_valid_target): Try to find
1188         target based on emulation from -m option.
1189         * options.h (class General_options): Change doc string for -m.
1190         * options.cc (help): Print emulations.
1191         (General_options::parse_V): Likewise.
1192         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1193         Add emulation parameter.  Change all callers.
1194
1195 2011-06-28  Ian Lance Taylor  <iant@google.com>
1196
1197         * target.h (class Target): Add osabi_ field.
1198         (Target::osabi): New function.
1199         (Target::set_osabi): New function.
1200         (Target::Target): Initialize osabi_.
1201         (Target::do_adjust_elf_header): Make pure virtual.
1202         (Sized_target::do_adjust_elf_header): Declare.
1203         * target.cc (Sized_target::do_adjust_elf_header): New function.
1204         (class Sized_target): Instantiate all versions.
1205         * freebsd.h (class Target_freebsd): Remove.
1206         (Target_selector_freebsd::do_recognize): Call set_osabi on
1207         Target.
1208         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1209         (Target_selector_freebsd::set_osabi): Remove.
1210         * i386.cc (class Target_i386): Inherit from Sized_target rather
1211         than Target_freebsd.
1212         * x86_64.cc (class Target_x86_64): Likewise.
1213
1214 2011-06-28  Ian Lance Taylor  <iant@google.com>
1215
1216         * target.h (Target::can_check_for_function_pointers): Rewrite.
1217         Make non-virtual.
1218         (Target::can_icf_inline_merge_sections): Likewise.
1219         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1220         (Target::Target_info): Add can_icf_inline_merge_sections field.
1221         (Target::do_can_check_for_function_pointers): New virtual
1222         function.
1223         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1224         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1225         from can_check_for_function_pointers, move in file.
1226         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1227         section_may_have_icf_unsafe_poineters, move in file.
1228         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1229         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1230         Rename from can_check_for_function_pointers, move in file.
1231         (Target_i386::can_icf_inline_merge_sections): Remove.
1232         (Target_i386::i386_info): Initialize
1233         can_icf_inline_merge_sections.
1234         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1235         Initialize can_icf_inline_merge_sections.
1236         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1237         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1238         Rename from can_check_for_function_pointers, move in file.
1239         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1240         (Target_x86_64::x86_64_info): Initialize
1241         can_icf_inline_merge_sections.
1242         * testsuite/testfile.cc (Target_test::test_target_info):
1243         Likewise.
1244         * icf.cc (get_section_contents): Correct formatting.
1245
1246 2011-06-27  Ian Lance Taylor  <iant@google.com>
1247
1248         * symtab.cc (Symbol::versioned_name): New function.
1249         (Symbol_table::add_to_final_symtab): Use versioned_name when
1250         appropriate.
1251         (Symbol_table::sized_write_symbol): Likewise.
1252         * symtab.h (class Symbol): Declare versioned_name.
1253         * stringpool.h (class Stringpool_template): Add variant of add
1254         which takes a std::basic_string.
1255         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1256         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1257         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1258         (ver_test_12.o): New target.
1259         * testsuite/Makefile.in: Rebuild.
1260
1261 2011-06-27  Doug Kwan  <dougkwan@google.com>
1262
1263         * arm.cc (Arm_relocate_functions::thm_jump8,
1264         Arm_relocate_functions::thm_jump11): Use a wider signed
1265         type to compute offset.
1266         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1267         arm_thm_jump8.
1268         * testsuite/Makefile.in: Regenerate.
1269         * testsuite/arm_branch_in_range.sh: Check test results of
1270         arm_thm_jump11 and arm_thm_jump8.
1271         * testsuite/arm_thm_jump11.s: New test source file.
1272         * testsuite/arm_thm_jump11.t: New linker script.
1273         * testsuite/arm_thm_jump8.s: New test source file.
1274         * testsuite/arm_thm_jump8.t: New linker script.
1275
1276 2011-06-24  Ian Lance Taylor  <iant@google.com>
1277
1278         * layout.cc: Include "object.h".
1279         (ctors_sections_in_init_array): New static variable.
1280         (Layout::is_ctors_in_init_array): New function.
1281         (Layout::layout): Add entry to ctors_sections_in_init_array if
1282         appropriate.
1283         * layout.h (class Layout): Declare is_ctors_in_init_array.
1284         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1285         is_ctors_reverse_view is set.
1286         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1287         all callers.  Set is_ctors_reverse_view field of View_size.
1288         (Sized_relobj_file::reverse_words): New function.
1289         * object.h (Sized_relobj_file::View_size): Add
1290         is_ctors_reverse_view field.
1291         (class Sized_relobj_file): Update declarations.
1292         * testsuite/initpri3.c: New test.
1293         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1294         initpri3b.
1295         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1296         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1297         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1298         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1299         * testsuite/Makefile.in: Rebuild.
1300
1301 2011-06-24  Cary Coutant  <ccoutant@google.com>
1302
1303         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1304         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1305         (debug_msg_cdebug.err): New targets.
1306         * testsuite/Makefile.in: Regenerate.
1307         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1308         Fix checks for link with shared library.
1309
1310 2011-06-24  Doug Kwan  <dougkwan@google.com>
1311
1312         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1313         skip empty text sections.
1314         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1315
1316 2011-06-22  Ian Lance Taylor  <iant@google.com>
1317
1318         PR gold/12910
1319         * options.h (class General_options): Add --ctors-in-init-array.
1320         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1321         friends as SHT_PROGBITS for merging sections.
1322         (Layout::layout): Remove special handling of .init_array and
1323         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1324         and .dtors if ctors_in_init_array.
1325         (Layout::make_output_section): Force correct section types for
1326         .init_array and friends.  Don't sort if doing relocatable link,
1327         Don't sort .ctors and .dtors if ctors_in_init_array.
1328         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1329         (Layout::output_section_name): Add relobj parameter.  Change all
1330         callers.  Handle .ctors. and .dtors. in code rather than table.
1331         Handle .ctors and .dtors if ctors_in_init_array.
1332         (Layout::match_file_name): New function, moved from output.cc.
1333         * layout.h (class Layout): Update declarations.
1334         * output.cc: Include "layout.h".
1335         (Input_section_sort_entry::get_priority): New function.
1336         (Input_section_sort_entry::match_file_name): Just call
1337         Layout::match_file_name.
1338         (Output_section::Input_section_sort_init_fini_compare::operator()):
1339         Handle .ctors and .dtors.  Sort by explicit priority rather than
1340         by name.
1341         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1342         * testsuite/initpri2.c: New test.
1343         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1344         (check_PROGRAMS): Add initpri2.
1345         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1346         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1347         * configure, testsuite/Makefile.in: Rebuild.
1348
1349 2011-06-19  Ian Lance Taylor  <iant@google.com>
1350
1351         PR gold/12880
1352         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1353         .interp section to a PT_INTERP segment even if we have seen a
1354         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1355         clause in a linker script.
1356         (Layout::finalize): Don't create a .interp section if we've
1357         already create a PT_INTERP segment.
1358         (Layout::create_interp): Always call choose_output_section (revert
1359         patch of 2011-06-17).  Don't create PT_INTERP segment.
1360         * script-sections.cc
1361         (Script_sections::create_note_and_tls_segments): Add a .interp
1362         section to a PT_INTERP segment even if we have seen a
1363         --dynamic-linker option.
1364
1365 2011-06-18  Ian Lance Taylor  <iant@google.com>
1366
1367         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1368         merely because a non-PT_LOAD segment has a dynamic reloc.
1369
1370 2011-06-18  Ian Lance Taylor  <iant@google.com>
1371
1372         * layout.cc (Layout::finish_dynamic_section): Don't create
1373         DT_FLAGS entry if not needed.
1374
1375 2011-06-18  Ian Lance Taylor  <iant@google.com>
1376
1377         PR gold/12745
1378         * layout.cc (Layout::layout_eh_frame): Correct handling of
1379         writable .eh_frame section.
1380
1381 2011-06-17  Ian Lance Taylor  <iant@google.com>
1382
1383         PR gold/12893
1384         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1385         symbol is redefined with the exact same object and value.
1386
1387 2011-06-17  Ian Lance Taylor  <iant@google.com>
1388
1389         PR gold/12880
1390         * layout.h (class Layout): Add interp_segment_ field.
1391         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1392         (Layout::attach_allocated_section_to_segment): If making shared
1393         library, put .interp section in PT_INTERP segment.
1394         (Layout::finalize): Also call create_interp if -dynamic-linker
1395         option was used.
1396         (Layout::create_interp): Assert that there is no PT_INTERP
1397         segment.  If not using a SECTIONS clause, use make_output_section.
1398         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1399         * script-sections.cc
1400         (Script_sections::create_note_and_tls_segments): If making shared
1401         library, put .interp section in PT_INTERP segment.
1402
1403 2011-06-17  Ian Lance Taylor  <iant@google.com>
1404
1405         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1406         when making a shared library.
1407
1408 2011-06-17  Ian Lance Taylor  <iant@google.com>
1409
1410         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1411         parameter.  Change all callers.  Don't issue warning about PC32
1412         against locally defined symbol.
1413
1414 2011-06-16  Ian Lance Taylor  <iant@google.com>
1415
1416         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1417         occurs in same object.
1418
1419 2011-06-14  Alan Modra  <amodra@gmail.com>
1420
1421         * po/POTFILES.in: Regenerate.
1422
1423 2011-06-09  Ian Lance Taylor  <iant@google.com>
1424
1425         * script-sections.cc
1426         (Orphan_output_section::set_section_addresses): For a relocatable
1427         link set address to 0.
1428
1429 2011-06-09  Cary Coutant  <ccoutant@google.com>
1430
1431         PR gold/12804
1432         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1433         used with --compress-debug-sections.
1434         * gold/object.cc (Sized_relobj_file::do_layout): Report
1435         uncompressed size of compressed input sections.
1436
1437 2011-06-08  Cary Coutant  <ccoutant@google.com>
1438
1439         PR gold/12804
1440         * testsuite/two_file_test_2_v1.cc: Change initialization of
1441         v2 to keep it in .data.
1442
1443 2011-06-07  Cary Coutant  <ccoutant@google.com>
1444
1445         * common.cc (Symbol_table::do_allocate_commons_list): Call
1446         gold_fallback.
1447         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1448         (Errors::fallback): New function.
1449         (gold_fallback): New function.
1450         * errors.h (Errors::fallback): New function.
1451         * gold.cc (gold_exit): Change status parameter to enum; adjust
1452         all callers.
1453         (queue_initial_tasks): Call gold_fallback.
1454         * gold.h: Include cstdlib.
1455         (Exit_status): New enum type.
1456         (gold_exit): Change status parameter to enum.
1457         (gold_fallback): New function.
1458         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1459         (Layout::create_symtab_sections): Likewise.
1460         (Layout::create_shdrs): Likewise.
1461         * main.cc (main): Adjust call to gold_exit.
1462         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1463         (Output_data_got::add_got_entry_pair): Likewise.
1464         (Output_section::add_input_section): Likewise.
1465         (Output_section::add_output_section_data): Likewise.
1466         (Output_segment::set_section_list_addresses): Likewise.
1467         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1468
1469 2011-06-07  Cary Coutant  <ccoutant@google.com>
1470
1471         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1472         for incremental links.
1473         * output.cc (Output_segment::set_section_list_addresses): Remove
1474         FIXME and test for TLS or BSS.
1475
1476 2011-06-07  Cary Coutant  <ccoutant@google.com>
1477
1478         * testsuite/Makefile.am: Add incremental_copy_test,
1479         incremental_common_test_1.
1480         * testsuite/Makefile.in: Regenerate.
1481         * testsuite/common_test_1_v1.c: New source file.
1482         * testsuite/common_test_1_v2.c: New source file.
1483         * testsuite/copy_test_v1.cc: New source file.
1484
1485 2011-06-07  Cary Coutant  <ccoutant@google.com>
1486
1487         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1488         update, allocate common from bss section's free list.
1489         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1490         linker-defined symbols.
1491         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1492         Skip GOT and PLT entries that are no longer referenced.
1493         (Output_section_incremental_inputs::write_info_blocks): Mark
1494         linker-defined symbols.
1495         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1496         * output.cc (Output_section::allocate): New function.
1497         * output.h (Output_section::allocate): New function.
1498         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1499         linker-defined symbols.
1500         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1501         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1502         (Symbol::init_base_output_data): Likewise.
1503         (Symbol::init_base_output_segment): Likewise.
1504         (Symbol::init_base_constant): Likewise.
1505         (Sized_symbol::init_output_data): Likewise.
1506         (Sized_symbol::init_output_segment): Likewise.
1507         (Sized_symbol::init_constant): Likewise.
1508         (Symbol_table::do_define_in_output_data): Likewise.
1509         (Symbol_table::do_define_in_output_segment): Likewise.
1510         (Symbol_table::do_define_as_constant): Likewise.
1511         * symtab.h (Symbol::is_predefined): New function.
1512         (Symbol::init_base_output_data): Add is_predefined parameter.
1513         (Symbol::init_base_output_segment): Likewise.
1514         (Symbol::init_base_constant): Likewise.
1515         (Symbol::is_predefined_): New data member.
1516         (Sized_symbol::init_output_data): Add is_predefined parameter.
1517         (Sized_symbol::init_output_segment): Likewise.
1518         (Sized_symbol::init_constant): Likewise.
1519         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1520
1521 2011-06-07  Cary Coutant  <ccoutant@google.com>
1522
1523         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1524         instead of emit_copy_reloc.
1525         (Copy_relocs::emit_copy_reloc): Refactor.
1526         (Copy_relocs::make_copy_reloc): New function.
1527         (Copy_relocs::add_copy_reloc): Remove.
1528         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1529         section.
1530         (Copy_relocs::make_copy_reloc): New function.
1531         (Copy_relocs::add_copy_reloc): Remove.
1532         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1533         unchanged input files.
1534         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1535         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1536         Reserve BSS space for COPY relocations.
1537         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1538         (Output_section_incremental_inputs::write_info_blocks): Record
1539         whether a symbol is copied from a shared object.
1540         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1541         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1542         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1543         (Incremental_input_entry_reader::get_output_symbol_index): Add
1544         is_copy parameter.
1545         (Incremental_binary::emit_copy_relocs): New function.
1546         (Incremental_binary::do_emit_copy_relocs): New function.
1547         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1548         new data member.
1549         (Sized_incremental_binary::add_copy_reloc): New function.
1550         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1551         (Sized_incremental_binary::Copy_reloc): New struct.
1552         (Sized_incremental_binary::Copy_relocs): New typedef.
1553         (Sized_incremental_binary::copy_relocs_): New data member.
1554         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1555         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1556         * target.h (Sized_target::emit_copy_reloc): New function.
1557         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1558
1559 2011-06-02  Cary Coutant  <ccoutant@google.com>
1560
1561         PR gold/12163
1562         * gold/archive.cc (Archive::Archive): Initialize new data member.
1563         (Archive::include_all_members): Return if archive has already been
1564         included.
1565         * gold/archive.h (Archive::include_all_members_): New data member.
1566
1567 2011-06-02  Nick Clifton  <nickc@redhat.com>
1568
1569         * dynobj.h: Fix spelling mistake in comment.
1570         * output.cc: Likewise.
1571
1572 2011-05-31  Doug Kwan  <dougkwan@google.com>
1573             Asier Llano
1574
1575         PR gold/12826
1576         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1577         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1578         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1579         redundant arm_exidx_test.so.
1580         * testsuite/Makefile.in: Regenerate.
1581         (check_SCRIPTS): Add pr12826.sh
1582         (check_DATA): Add pr12826.stdout
1583         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1584         * testsuite/pr12826.sh: New file.
1585         * testsuite/pr12826_1.s: Ditto.
1586         * testsuite/pr12826_1.s: Ditto.
1587
1588 2011-05-30  Ian Lance Taylor  <iant@google.com>
1589
1590         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1591         sections.
1592
1593 2011-05-29  Ian Lance Taylor  <iant@google.com>
1594
1595         PR gold/12804
1596         * testsuite/Makefile.am: Use different file name for two_file_test
1597         temporary file for each incremental test.
1598         * testsuite/Makefile.in: Rebuild.
1599
1600 2011-05-29  Ian Lance Taylor  <iant@google.com>
1601
1602         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1603         binary input file is empty.
1604
1605 2011-05-27  Ian Lance Taylor  <iant@google.com>
1606
1607         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1608         (ver_test_9.so): Likewise.
1609         * testsuite/Makefile.in: Rebuild.
1610
1611 2011-05-26 Cary Coutant  <ccoutant@google.com>
1612
1613         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1614         * incremental.cc (Incremental_inputs::report_input_section): Fix
1615         comment, indentation.
1616         (Incremental_inputs::report_comdat_group): New function.
1617         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1618         of data for incremental input file entry.
1619         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1620         group count, COMDAT group signatures.
1621         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1622         an unchanged input file.
1623         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1624         Initialize new data member.
1625         (Incremental_object_entry::add_comdat_group): New function.
1626         (Incremental_object_entry::get_comdat_group_count): New function.
1627         (Incremental_object_entry::get_comdat_signature_key): New function.
1628         (Incremental_object_entry::groups_): New data member.
1629         (Incremental_inputs::report_comdat_group): New function.
1630         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1631         data for incremental input file entry.
1632         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1633         (Incremental_input_entry_reader::get_input_section): Adjust size of
1634         data for incremental input file entry.
1635         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1636         (Incremental_input_entry_reader::get_comdat_group_signature): New
1637         function.
1638         * object.cc (Sized_relobj::include_section_group): Report kept
1639         COMDAT groups for incremental links.
1640
1641 2011-05-24  David Meyer  <pdox@google.com>
1642
1643         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1644         with name parameter.  Add found_name parameter.
1645         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1646         * dirsearch.h (class Dirsearch): Update declaration.
1647
1648 2011-05-24  Ian Lance Taylor  <iant@google.com>
1649
1650         * archive.cc (Library_base::should_include_member): Pull in object
1651         from archive if it defines the entry symbol.
1652         * parameters.cc (Parameters::entry): New function.
1653         * parameters.h (class Parameters): Declare entry.
1654         * output.h (class Output_file_header): Remove entry_ field.
1655         * output.cc (Output_file_header::Output_file_header): Remove entry
1656         parameter.  Change all callers.
1657         (Output_file_header::entry): Use parameters->entry.
1658         * gold.cc (queue_middle_tasks): Likewise.
1659         * plugin.cc (Plugin_hook::run): Likewise.
1660
1661 2011-05-24 Cary Coutant  <ccoutant@google.com>
1662
1663         * gold.cc (queue_initial_tasks): Pass incremental base filename
1664         to Output_file::open_base_file; don't print error message.
1665         * incremental-dump.cc (main): Adjust call to
1666         Output_file::open_for_modification.
1667         * incremental-dump.cc (main): Likewise.
1668         * incremental.cc (Incremental_inputs::report_command_line):
1669         Ignore --incremental-base option when comparing command lines.
1670         Ignore parameter when given as separate argument.
1671         * options.h (class General_options): Add --incremental-base.
1672         * output.cc (Output_file::Output_file):
1673         (Output_file::open_base_file): Add base_name and writable parameters;
1674         read base file into new file; print error message here.
1675         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1676         callers.
1677         * output.h (Output_file::open_for_modification): Rename to...
1678         (Output_file::open_base_file): ...this; add base_name and
1679         writable parameters; adjust all callers.
1680         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1681         callers.
1682         * testsuite/Makefile.am (incremental_test_4): Test
1683         --incremental-base.
1684         * testsuite/Makefile.in: Regenerate.
1685
1686 2011-05-24 Cary Coutant  <ccoutant@google.com>
1687
1688         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1689         incremental_test_4.
1690         * testsuite/Makefile.in: Regenerate.
1691         * testsuite/two_file_test_1_v1.cc: New test source file.
1692         * testsuite/two_file_test_1b_v1.cc: New test source file.
1693         * testsuite/two_file_test_2_v1.cc: New test source file.
1694
1695 2011-05-24 Cary Coutant  <ccoutant@google.com>
1696
1697         * dynobj.h (Dynobj::do_dynobj): New function.
1698         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1699         flag and soname for shared objects.
1700         * incremental.cc (Incremental_inputs::report_object): Make
1701         either Incremental_object_entry or Incremental_dynobj_entry; add
1702         soname to string table.
1703         (Incremental_inputs::report_input_section): Add assertion.
1704         (Output_section_incremental_inputs::set_final_data_size): Adjust
1705         type of input file entry for shared libraries; adjust size of
1706         shared library info entry.
1707         (Output_section_incremental_inputs::write_input_files): Write
1708         as_needed flag for shared libraries.
1709         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1710         of input file entry for shared libraries; write soname.
1711         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1712         soname from incremental info.
1713         * incremental.h (enum Incremental_input_flags): Add
1714         INCREMENTAL_INPUT_AS_NEEDED.
1715         (Incremental_input_entry::Incremental_input_entry): Initialize new
1716         data member.
1717         (Incremental_input_entry::set_as_needed): New function.
1718         (Incremental_input_entry::as_needed): New function.
1719         (Incremental_input_entry::do_dynobj_entry): New function.
1720         (Incremental_input_entry::as_needed_): New data member.
1721         (Incremental_object_entry::Incremental_object_entry): Don't check
1722         for shared library.
1723         (Incremental_object_entry::do_type): Likewise.
1724         (class Incremental_dynobj_entry): New class.
1725         (Incremental_input_entry_reader::as_needed): New function.
1726         (Incremental_input_entry_reader::get_soname): New function.
1727         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1728         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1729         size of shared library info entry.
1730         * layout.cc (Layout::finish_dynamic_section): Don't test for
1731         incremental link when adding DT_NEEDED entries.
1732         * object.h (Object::Object): Initialize new data member.
1733         (Object::dynobj): New function.
1734         (Object::set_as_needed): New function.
1735         (Object::as_needed): New function.
1736         (Object::do_dynobj): New function.
1737         (Object::as_needed_): New data member.
1738
1739 2011-05-24 Cary Coutant  <ccoutant@google.com>
1740
1741         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1742         info; adjust display of GOT entries.
1743         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1744         vector of input objects; remove file_status_.
1745         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1746         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1747         got_plt reader; call target hooks to reserve GOT entries.
1748         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1749         of input file info header and GOT info entry.
1750         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1751         relocation info.
1752         (Got_plt_view_info::got_descriptor): Remove.
1753         (Got_plt_view_info::sym_index): New data member.
1754         (Got_plt_view_info::input_index): New data member.
1755         (Local_got_offset_visitor::visit): Write input file index.
1756         (Global_got_offset_visitor::visit): Write 0 for input file index.
1757         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1758         with sym_index and input_index.
1759         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1760         incremental info GOT entry; replace got_descriptor with input_index.
1761         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1762         map from input file index to object.
1763         (Sized_relobj_incr::do_layout): Replace direct data member reference
1764         with accessor function.
1765         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1766         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1767         Adjust size of input file info header.
1768         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1769         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1770         (Incremental_input_entry_reader::get_input_section): Adjust size of
1771         input file info header.
1772         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1773         of incremental info GOT entry.
1774         (Incremental_got_plt_reader::get_got_desc): Remove.
1775         (Incremental_got_plt_reader::get_got_symndx): New function.
1776         (Incremental_got_plt_reader::get_got_input_index): New function.
1777         (Sized_incremental_binary::Sized_incremental_binary): Remove
1778         file_status_; add input_objects_.
1779         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1780         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1781         (Sized_incremental_binary::file_is_unchanged): Remove.
1782         (Sized_incremental_binary::set_input_object): New function.
1783         (Sized_incremental_binary::input_object): New function.
1784         (Sized_incremental_binary::file_status_): Remove.
1785         (Sized_incremental_binary::input_objects_): New data member.
1786         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1787         references.
1788         (Sized_relobj_incr::invalid_address): Move to base class.
1789         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1790         class.
1791         (Sized_relobj_incr::do_output_section_offset): Likewise.
1792         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1793         (Sized_relobj_incr::section_offsets_): Likewise.
1794         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1795         function.
1796         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1797         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1798         with accessor function.
1799         (Sized_relobj_file::do_layout): Likewise.
1800         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1801         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1802         (Sized_relobj_file::compute_final_local_value): Replace refs to
1803         section_offsets_ with accessor function.
1804         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1805         * object.h (Relobj::Relobj): Initialize new data members.
1806         (Relobj::add_dyn_reloc): New function.
1807         (Relobj::first_dyn_reloc): New function.
1808         (Relobj::dyn_reloc_count): New function.
1809         (Relobj::first_dyn_reloc_): New data member.
1810         (Relobj::dyn_reloc_count_): New data member.
1811         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1812         references.
1813         (Sized_relobj::Address): New typedef.
1814         (Sized_relobj::invalid_address): Move here from child class.
1815         (Sized_relobj::Sized_relobj): Initialize new data members.
1816         (Sized_relobj::sized_relobj): New function.
1817         (Sized_relobj::is_output_section_offset_invalid): Move here from
1818         child class.
1819         (Sized_relobj::get_output_section_offset): Likewise.
1820         (Sized_relobj::local_has_got_offset): Likewise.
1821         (Sized_relobj::local_got_offset): Likewise.
1822         (Sized_relobj::set_local_got_offset): Likewise.
1823         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1824         (Sized_relobj::clear_got_offsets): New function.
1825         (Sized_relobj::section_offsets): Move here from child class.
1826         (Sized_relobj::do_output_section_offset): Likewise.
1827         (Sized_relobj::do_set_section_offset): Likewise.
1828         (Sized_relobj::Local_got_offsets): Likewise.
1829         (Sized_relobj::local_got_offsets_): Likewise.
1830         (Sized_relobj::section_offsets_): Likewise.
1831         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1832         references.
1833         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1834         class.
1835         (Sized_relobj_file::sized_relobj): New function
1836         (Sized_relobj_file::local_has_got_offset): Move to base class.
1837         (Sized_relobj_file::local_got_offset): Likewise.
1838         (Sized_relobj_file::set_local_got_offset): Likewise.
1839         (Sized_relobj_file::get_output_section_offset): Likewise.
1840         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1841         (Sized_relobj_file::do_output_section_offset): Likewise.
1842         (Sized_relobj_file::do_set_section_offset): Likewise.
1843         (Sized_relobj_file::Local_got_offsets): Likewise.
1844         (Sized_relobj_file::local_got_offsets_): Likewise.
1845         (Sized_relobj_file::section_offsets_): Likewise.
1846         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1847         (all constructors).
1848         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1849         (Output_reloc::get_symbol_index): Likewise.
1850         (Output_reloc::local_section_offset): Likewise.
1851         (Output_reloc::get_address): Likewise.
1852         (Output_reloc::symbol_value): Likewise.
1853         (Output_data_got::reserve_slot): Move to class definition.
1854         (Output_data_got::reserve_local): New function.
1855         (Output_data_got::reserve_slot_for_global): Remove.
1856         (Output_data_got::reserve_global): New function.
1857         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1858         (all constructors, two instantiations).
1859         (Output_reloc::get_relobj): New function (two instantiations).
1860         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1861         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1862         (Output_data_reloc::add_global): Adjust type of relobj.
1863         (Output_data_reloc::add_global_relative): Likewise.
1864         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1865         (Output_data_reloc::add_local): Likewise.
1866         (Output_data_reloc::add_local_relative): Likewise.
1867         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1868         (Output_data_reloc::add_local_section): Likewise.
1869         (Output_data_reloc::add_output_section): Likewise.
1870         (Output_data_reloc::add_absolute): Likewise.
1871         (Output_data_reloc::add_target_specific): Likewise.
1872         (Output_data_got::reserve_slot): Move definition here.
1873         (Output_data_got::reserve_local): New function.
1874         (Output_data_got::reserve_global): New function.
1875         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1876         section_offsets_ with accessor function.
1877         (Sized_relobj_file::write_sections): Likewise.
1878         (Sized_relobj_file::do_relocate_sections): Likewise.
1879         * target.h (Sized_target::reserve_local_got_entry): New function.
1880         (Sized_target::reserve_global_got_entry): New function.
1881         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1882         (Target_x86_64::reserve_global_got_entry): New function.
1883         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1884
1885 2011-05-23 Cary Coutant  <ccoutant@google.com>
1886
1887         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1888         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1889         bit when checking got_type.
1890         * incremental.cc (Sized_incremental_binary::setup_readers):
1891         Store symbol table and string table locations; initialize bit vector
1892         of file status flags.
1893         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1894         unchanged files.
1895         (Sized_incremental_binary::do_process_got_plt): New function.
1896         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1897         (Output_section_incremental_inputs::set_final_data_size): Record
1898         file index for each input file.
1899         (Output_section_incremental_inputs::write_got_plt): Store file index
1900         instead of input entry offset for each GOT entry.
1901         * incremental.h
1902         (Incremental_input_entry::Incremental_input_entry): Initialize new
1903         data member.
1904         (Incremental_input_entry::set_offset): Store file index.
1905         (Incremental_input_entry::get_file_index): New function.
1906         (Incremental_input_entry::file_index_): New data member.
1907         (Incremental_binary::process_got_plt): New function.
1908         (Incremental_binary::do_process_got_plt): New function.
1909         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1910         data members.
1911         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1912         (Sized_incremental_binary::set_file_is_unchanged): New function.
1913         (Sized_incremental_binary::file_is_unchanged): New function.
1914         (Sized_incremental_binary::do_process_got_plt): New function.
1915         (Sized_incremental_binary::file_status_): New data member.
1916         (Sized_incremental_binary::main_symtab_loc_): New data member.
1917         (Sized_incremental_binary::main_strtab_loc_): New data member.
1918         * output.cc (Output_data_got::Got_entry::write): Add case
1919         RESERVED_CODE.
1920         (Output_data_got::add_global): Call add_got_entry.
1921         (Output_data_got::add_global_plt): Likewise.
1922         (Output_data_got::add_global_with_rel): Likewise.
1923         (Output_data_got::add_global_with_rela): Likewise.
1924         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1925         (Output_data_got::add_global_pair_with_rela): Likewise.
1926         (Output_data_got::add_local): Call add_got_entry.
1927         (Output_data_got::add_local_plt): Likewise.
1928         (Output_data_got::add_local_with_rel): Likewise.
1929         (Output_data_got::add_local_with_rela): Likewise.
1930         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1931         (Output_data_got::add_local_pair_with_rela): Likewise.
1932         (Output_data_got::reserve_slot): New function.
1933         (Output_data_got::reserve_slot_for_global): New function.
1934         (Output_data_got::add_got_entry): New function.
1935         (Output_data_got::add_got_entry_pair): New function.
1936         (Output_section::add_output_section_data): Edit FIXME.
1937         * output.h
1938         (Output_section_data_build::Output_section_data_build): New
1939         constructor with size parameter.
1940         (Output_data_space::Output_data_space): Likewise.
1941         (Output_data_got::Output_data_got): Initialize new data member; new
1942         constructor with size parameter.
1943         (Output_data_got::add_constant): Call add_got_entry.
1944         (Output_data_got::reserve_slot): New function.
1945         (Output_data_got::reserve_slot_for_global): New function.
1946         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1947         (Output_data_got::add_got_entry): New function.
1948         (Output_data_got::add_got_entry_pair): New function.
1949         (Output_data_got::free_list_): New data member.
1950         * target.h (Sized_target::init_got_plt_for_update): New function.
1951         (Sized_target::register_global_plt_entry): New function.
1952         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1953         Initialize new data member; call init; add constructor with PLT count.
1954         (Output_data_plt_x86_64::init): New function.
1955         (Output_data_plt_x86_64::add_relocation): New function.
1956         (Output_data_plt_x86_64::reserve_slot): New function.
1957         (Output_data_plt_x86_64::free_list_): New data member.
1958         (Target_x86_64::init_got_plt_for_update): New function.
1959         (Target_x86_64::register_global_plt_entry): New function.
1960         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1961         incremental updates.
1962         (Output_data_plt_x86_64::add_relocation): New function.
1963         * testsuite/object_unittest.cc (Object_test): Set default options.
1964
1965 2011-05-16  Ian Lance Taylor  <iant@google.com>
1966
1967         * options.h (class General_options): Make -i a synonym for -r.
1968
1969 2011-05-16  Ian Lance Taylor  <iant@google.com>
1970
1971         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1972
1973 2011-05-10 Cary Coutant  <ccoutant@google.com>
1974
1975         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1976         strip_all (-s).
1977
1978 2011-05-06  Ian Lance Taylor  <iant@google.com>
1979
1980         * layout.cc (Layout::layout): If the output section flags change,
1981         update the ordering.
1982
1983 2011-04-25 Cary Coutant  <ccoutant@google.com>
1984
1985         * incremental-dump.cc (dump_incremental_inputs): Print local
1986         symbol info for each input file.
1987         * incremental.cc
1988         (Output_section_incremental_inputs::set_final_data_size): Add local
1989         symbol info to input file entries in incremental info.
1990         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1991         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1992         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1993         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1994         implementation.
1995         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1996         (Sized_incr_relobj::do_relocate): Write the local symbols.
1997         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1998         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1999         Adjust size of input file header.
2000         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2001         (Incremental_inputs_reader::get_local_symbol_count): New function.
2002         (Incremental_inputs_reader::get_input_section): Adjust size of input
2003         file header.
2004         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2005         (Sized_incr_relobj::This): New typedef.
2006         (Sized_incr_relobj::sym_size): New const data member.
2007         (Sized_incr_relobj::Local_symbol): New struct.
2008         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2009         (Sized_incr_relobj::do_local_symbol_offset): New function.
2010         (Sized_incr_relobj::local_symbol_count_): New data member.
2011         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2012         (Sized_incr_relobj::local_symbol_index_): New data member.
2013         (Sized_incr_relobj::local_symbol_offset_): New data member.
2014         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2015         (Sized_incr_relobj::local_symbols_): New data member.
2016         * object.h (Relobj::output_local_symbol_count): New function.
2017         (Relobj::local_symbol_offset): New function.
2018         (Relobj::do_output_local_symbol_count): New function.
2019         (Relobj::do_local_symbol_offset): New function.
2020         (Sized_relobj::do_output_local_symbol_count): New function.
2021         (Sized_relobj::do_local_symbol_offset): New function.
2022
2023 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2024
2025         * descriptors.cc (set_close_on_exec): New function.
2026         (Descriptors::open): Use set_close_on_exec.
2027         * output.cc (S_ISLNK): Define if not defined.
2028
2029 2011-04-22 Cary Coutant  <ccoutant@google.com>
2030
2031         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2032         global symbol map.
2033         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2034         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2035         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2036         relocations.
2037         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2038         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2039         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2040         * incremental.h
2041         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2042         function.
2043         (Incremental_binary::apply_incremental_relocs): New function.
2044         (Incremental_binary::do_apply_incremental_relocs): New function.
2045         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2046         data member.
2047         (Sized_incremental_binary::add_global_symbol): New function.
2048         (Sized_incremental_binary::global_symbol): New function.
2049         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2050         (Sized_incremental_binary::symbol_map_): New data member.
2051         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2052         * target.h (Sized_target::apply_relocation): New function.
2053         * target-reloc.h (apply_relocation): New function.
2054         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2055
2056 2011-04-22  Doug Kwan  <dougkwan@google.com>
2057
2058         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2059         flag of a SHT_ARM_EXIDX section.
2060         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2061         * testsuite/Makefile.in: Regenerate.
2062         * testsuite/arm_exidx_test.s: New file.
2063         * testsuite/arm_exidx_test.sh: Same.
2064
2065 2011-04-20 Cary Coutant  <ccoutant@google.com>
2066
2067         PR gold/12689
2068         * archive.h (Incremental_archive_entry::Archive_member):
2069         Initialize arg_serial_ (second constructor).
2070
2071 2011-04-17  Ian Lance Taylor  <iant@google.com>
2072
2073         * object.cc (Relocate_info::location): Simplify location string.
2074         * errors.cc (Errors::error_at_location): Don't print program
2075         name.
2076         (Errors::warning_at_location): Likewise.
2077         (Errors::undefined_symbol): Likewise.
2078         * testsuite/debug_msg.sh: Update accordingly.
2079
2080 2011-04-14 Cary Coutant  <ccoutant@google.com>
2081
2082         * gold/layout.cc (Layout::symtab_section_offset): New function.
2083         * gold/layout.h (Layout::symtab_section_offset): New function.
2084         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2085
2086 2011-04-12  Ian Lance Taylor  <iant@google.com>
2087
2088         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2089         with MREMAP_MAYMOVE.
2090         * output.h (class Output_file): Add map_is_allocated_ field.
2091         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2092         not available, provide stubs.  If mremap is not available, #define
2093         it to gold_mremap.
2094         (MREMAP_MAYMOVE): Define if not defined.
2095         (Output_file::Output_file): Initialize map_is_allocated_.
2096         (Output_file::resize): Check map_is_allocated_.
2097         (Output_file::map_anonymous): If mmap fails, use malloc.
2098         (Output_file::unmap): Don't do anything for an anonymous map.
2099         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2100         is not available, provide stubs.
2101         (File_read::View::~View): Use free rather than delete[].
2102         (File_read::make_view): Use malloc rather than new[].  If mmap
2103         fails, use malloc.
2104         (File_read::find_or_make_view): Use malloc rather than new[].
2105         * gold.h: Remove HAVE_REMAP code.
2106         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2107         exists.  Rename mremap to gold_mremap.  If mmap is not available
2108         don't do anything.
2109         * configure, config.in: Rebuild.
2110
2111 2011-04-11  Ian Lance Taylor  <iant@google.com>
2112
2113         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2114         initialize local variable v.
2115
2116 2011-04-11  Cary Coutant  <ccoutant@google.com>
2117
2118         * archive.cc (Archive::include_member): Adjust call to
2119         report_object.
2120         (Add_archive_symbols::run): Track argument serial numbers.
2121         (Lib_group::include_member): Likewise.
2122         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2123         * archive.h (Incremental_archive_entry::Archive_member):
2124         Initialize arg_serial_.
2125         (Archive_member::arg_serial_): New data member.
2126         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2127         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2128         incremental link.
2129         (Sized_dynobj::do_for_all_local_got_entries): New function.
2130         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2131         function.
2132         * fileread.cc (get_mtime): New function.
2133         * fileread.h (get_mtime): New function.
2134         * gold.cc (queue_initial_tasks): Check for incremental update.
2135         (process_incremental_input): New function.
2136         (queue_middle_tasks): Don't force valid target for incremental
2137         update.
2138         * incremental-dump.cc (find_input_containing_global): Adjust
2139         size of symbol info entry.
2140         (dump_incremental_inputs): Dump argument serial number and
2141         in_system_directory flag; bias shndx by 1; print symbol names
2142         when dumping per-file symbol lists; use new symbol info readers.
2143         * incremental.cc
2144         (Output_section_incremental_inputs:update_data_size): New function.
2145         (Sized_incremental_binary::setup_readers): Setup input readers
2146         for each input file; build maps for files added from libraries
2147         and scripts.
2148         (Sized_incremental_binary::check_input_args): New function.
2149         (Sized_incremental_binary::do_check_inputs): Build map of argument
2150         serial numbers to input arguments.
2151         (Sized_incremental_binary::do_file_has_changed): Rename
2152         do_file_is_unchanged to this; compare file modification times.
2153         (Sized_incremental_binary::do_init_layout): New function.
2154         (Sized_incremental_binary::do_reserve_layout): New function.
2155         (Sized_incremental_binary::do_get_input_reader): Remove.
2156         (Sized_incremental_binary::get_symtab_view): New function.
2157         (Incremental_checker::can_incrementally_link_output_file): Remove.
2158         (Incremental_inputs::report_command_line): Exclude --debug options.
2159         (Incremental_inputs::report_archive_begin): Add parameter; track
2160         argument serial numbers; don't put input file entry for archive
2161         before archive members.
2162         (Incremental_inputs::report_archive_end): Put input file entry
2163         for archive after archive members.
2164         (Incremental_inputs::report_object): Add parameter; track argument
2165         serial numbers and in_system_directory flag.
2166         (Incremental_inputs::report_script): Add parameter; track argument
2167         serial numbers.
2168         (Output_section_incremental_inputs::set_final_data_size): Adjust
2169         size of symbol info entry; check for forwarding symbols.
2170         (Output_section_incremental_inputs::write_input_files): Write
2171         in_system_directory flag and argument serial number.
2172         (Output_section_incremental_inputs::write_info_blocks): Map section
2173         indices between incremental info and original input file; store
2174         input section index for each symbol.
2175         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2176         change operator() to visit().
2177         (class Global_got_offset_visitor): Likewise.
2178         (class Global_symbol_visitor_got_plt):
2179         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2180         classes.
2181         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2182         (Sized_incr_relobj::do_read_symbols): New function.
2183         (Sized_incr_relobj::do_layout): New function.
2184         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2185         (Sized_incr_relobj::do_add_symbols): New function.
2186         (Sized_incr_relobj::do_should_include_member): New function.
2187         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2188         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2189         (Sized_incr_relobj::do_section_size): New function.
2190         (Sized_incr_relobj::do_section_name): New function.
2191         (Sized_incr_relobj::do_section_contents): New function.
2192         (Sized_incr_relobj::do_section_flags): New function.
2193         (Sized_incr_relobj::do_section_entsize): New function.
2194         (Sized_incr_relobj::do_section_address): New function.
2195         (Sized_incr_relobj::do_section_type): New function.
2196         (Sized_incr_relobj::do_section_link): New function.
2197         (Sized_incr_relobj::do_section_info): New function.
2198         (Sized_incr_relobj::do_section_addralign): New function.
2199         (Sized_incr_relobj::do_initialize_xindex): New function.
2200         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2201         (Sized_incr_relobj::do_read_relocs): New function.
2202         (Sized_incr_relobj::do_gc_process_relocs): New function.
2203         (Sized_incr_relobj::do_scan_relocs): New function.
2204         (Sized_incr_relobj::do_count_local_symbols): New function.
2205         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2206         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2207         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2208         (Sized_incr_relobj::do_relocate): New function.
2209         (Sized_incr_relobj::do_set_section_offset): New function.
2210         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2211         (Sized_incr_dynobj::do_read_symbols): New function.
2212         (Sized_incr_dynobj::do_layout): New function.
2213         (Sized_incr_dynobj::do_add_symbols): New function.
2214         (Sized_incr_dynobj::do_should_include_member): New function.
2215         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2216         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2217         (Sized_incr_dynobj::do_section_size): New function.
2218         (Sized_incr_dynobj::do_section_name): New function.
2219         (Sized_incr_dynobj::do_section_contents): New function.
2220         (Sized_incr_dynobj::do_section_flags): New function.
2221         (Sized_incr_dynobj::do_section_entsize): New function.
2222         (Sized_incr_dynobj::do_section_address): New function.
2223         (Sized_incr_dynobj::do_section_type): New function.
2224         (Sized_incr_dynobj::do_section_link): New function.
2225         (Sized_incr_dynobj::do_section_info): New function.
2226         (Sized_incr_dynobj::do_section_addralign): New function.
2227         (Sized_incr_dynobj::do_initialize_xindex): New function.
2228         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2229         (make_sized_incremental_object): New function.
2230         (Incremental_library::copy_unused_symbols): New function.
2231         (Incremental_library::do_for_all_unused_symbols): New function.
2232         * incremental.h (enum Incremental_input_flags): New type.
2233         (class Incremental_checker): Remove.
2234         (Incremental_input_entry::Incremental_input_entry): Add argument
2235         serial number.
2236         (Incremental_input_entry::arg_serial): New function.
2237         (Incremental_input_entry::set_is_in_system_directory): New function.
2238         (Incremental_input_entry::is_in_system_directory): New function.
2239         (Incremental_input_entry::arg_serial_): New data member.
2240         (Incremental_input_entry::is_in_system_directory_): New data member.
2241         (class Script_info): Move here from script.h.
2242         (Script_info::Script_info): Add filename parameter.
2243         (Script_info::filename): New function.
2244         (Script_info::filename_): New data member.
2245         (Incremental_script_entry::Incremental_script_entry): Add argument
2246         serial number.
2247         (Incremental_object_entry::Incremental_object_entry): Likewise.
2248         (Incremental_object_entry::add_input_section): Build list of input
2249         sections with map to original shndx.
2250         (Incremental_object_entry::get_input_section_index): New function.
2251         (Incremental_object_entry::shndx_): New data member.
2252         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2253         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2254         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2255         serial number.
2256         (Incremental_inputs::report_archive_begin): Likewise.
2257         (Incremental_inputs::report_object): Likewise.
2258         (Incremental_inputs::report_script): Likewise.
2259         (class Incremental_global_symbol_reader): New class.
2260         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2261         and store flags and input file type.
2262         (Incremental_input_entry_reader::arg_serial): New function.
2263         (Incremental_input_entry_reader::type): Extract type from flags.
2264         (Incremental_input_entry_reader::is_in_system_directory): New function.
2265         (Incremental_input_entry_reader::get_input_section_count): Call
2266         accessor function for type.
2267         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2268         function for type; adjust size of global symbol entry.
2269         (Incremental_input_entry_reader::get_global_symbol_count): Call
2270         accessor function for type.
2271         (Incremental_input_entry_reader::get_object_count): Likewise.
2272         (Incremental_input_entry_reader::get_object_offset): Likewise.
2273         (Incremental_input_entry_reader::get_member_count): Likewise.
2274         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2275         (Incremental_input_entry_reader::get_member_offset): Likewise.
2276         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2277         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2278         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2279         (Incremental_input_entry_reader::get_global_symbol_reader): New
2280         function.
2281         (Incremental_input_entry_reader::get_output_symbol_index): New
2282         function.
2283         (Incremental_input_entry_reader::type_): Remove.
2284         (Incremental_input_entry_reader::flags_): New data member.
2285         (Incremental_inputs_reader::input_file_offset): New function.
2286         (Incremental_inputs_reader::input_file_index): New function.
2287         (Incremental_inputs_reader::input_file): Call input_file_offset.
2288         (Incremental_inputs_reader::input_file_at_offset): New function.
2289         (Incremental_relocs_reader::get_r_type): Reformat.
2290         (Incremental_relocs_reader::get_r_shndx): Reformat.
2291         (Incremental_relocs_reader::get_r_offset): Reformat.
2292         (Incremental_relocs_reader::data): New function.
2293         (Incremental_binary::Incremental_binary): Initialize new data members.
2294         (Incremental_binary::check_inputs): Add cmdline parameter.
2295         (Incremental_binary::file_is_unchanged): Remove.
2296         (Input_reader::arg_serial): New function.
2297         (Input_reader::get_unused_symbol_count): New function.
2298         (Input_reader::get_unused_symbol): New function.
2299         (Input_reader::do_arg_serial): New function.
2300         (Input_reader::do_get_unused_symbol_count): New function.
2301         (Input_reader::do_get_unused_symbol): New function.
2302         (Incremental_binary::input_file_count): New function.
2303         (Incremental_binary::get_input_reader): Change signature to use
2304         index instead of filename.
2305         (Incremental_binary::file_has_changed): New function.
2306         (Incremental_binary::get_input_argument): New function.
2307         (Incremental_binary::get_library): New function.
2308         (Incremental_binary::get_script_info): New function.
2309         (Incremental_binary::init_layout): New function.
2310         (Incremental_binary::reserve_layout): New function.
2311         (Incremental_binary::output_file): New function.
2312         (Incremental_binary::do_check_inputs): New function.
2313         (Incremental_binary::do_file_is_unchanged): Remove.
2314         (Incremental_binary::do_file_has_changed): New function.
2315         (Incremental_binary::do_init_layout): New function.
2316         (Incremental_binary::do_reserve_layout): New function.
2317         (Incremental_binary::do_input_file_count): New function.
2318         (Incremental_binary::do_get_input_reader): Change signature.
2319         (Incremental_binary::input_args_map_): New data member.
2320         (Incremental_binary::library_map_): New data member.
2321         (Incremental_binary::script_map_): New data member.
2322         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2323         new data members.
2324         (Sized_incremental_binary::output_section): New function.
2325         (Sized_incremental_binary::inputs_reader): Add const.
2326         (Sized_incremental_binary::symtab_reader): Add const.
2327         (Sized_incremental_binary::relocs_reader): Add const.
2328         (Sized_incremental_binary::got_plt_reader): Add const.
2329         (Sized_incremental_binary::get_symtab_view): New function.
2330         (Sized_incremental_binary::Inputs_reader): New typedef.
2331         (Sized_incremental_binary::Input_entry_reader): New typedef.
2332         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2333         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2334         (Sized_incremental_binary::do_file_has_changed): New function.
2335         (Sized_incremental_binary::do_init_layout): New function.
2336         (Sized_incremental_binary::do_reserve_layout): New function.
2337         (Sized_input_reader::Inputs_reader): Remove.
2338         (Sized_input_reader::Input_entry_reader): Remove.
2339         (Sized_input_reader::do_arg_serial): New function.
2340         (Sized_input_reader::do_get_unused_symbol_count): New function.
2341         (Sized_input_reader::do_get_unused_symbol): New function.
2342         (Sized_incremental_binary::do_input_file_count): New function.
2343         (Sized_incremental_binary::do_get_input_reader): Change signature;
2344         use index instead of filename.
2345         (Sized_incremental_binary::section_map_): New data member.
2346         (Sized_incremental_binary::input_entry_readers_): New data member.
2347         (class Sized_incr_relobj): New class.
2348         (class Sized_incr_dynobj): New class.
2349         (make_sized_incremental_object): New function.
2350         (class Incremental_library): New class.
2351         * layout.cc (Free_list::num_lists): New static data member.
2352         (Free_list::num_nodes): New static data member.
2353         (Free_list::num_removes): New static data member.
2354         (Free_list::num_remove_visits): New static data member.
2355         (Free_list::num_allocates): New static data member.
2356         (Free_list::num_allocate_visits): New static data member.
2357         (Free_list::init): New function.
2358         (Free_list::remove): New function.
2359         (Free_list::allocate): New function.
2360         (Free_list::dump): New function.
2361         (Free_list::print_stats): New function.
2362         (Layout_task_runner::run): Resize output file for incremental updates.
2363         (Layout::Layout): Initialize new data members.
2364         (Layout::set_incremental_base): New function.
2365         (Layout::init_fixed_output_section): New function.
2366         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2367         incremental updates.
2368         (Layout::create_gold_note): Do not create gold note section for
2369         incremental updates.
2370         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2371         for incremental updates.
2372         (Layout::set_section_offsets): For incremental updates, allocate space
2373         from free list.
2374         (Layout::create_symtab_sections): Layout with offsets relative to
2375         start of section; for incremental updates, allocate space from free
2376         list.
2377         (Layout::create_shdrs): For incremental updates, allocate space from
2378         free list.
2379         (Layout::finish_dynamic_section): For incremental updates, do not
2380         check --as-needed (fixed in subsequent patch).
2381         * layout.h (class Free_list): New class.
2382         (Layout::set_incremental_base): New function.
2383         (Layout::incremental_base): New function.
2384         (Layout::init_fixed_output_section): New function.
2385         (Layout::allocate): New function.
2386         (Layout::incremental_base_): New data member.
2387         (Layout::free_list_): New data member.
2388         * main.cc (main): Print Free_list statistics.
2389         * object.cc (Relobj::finalize_incremental_relocs): Add
2390         clear_counts parameter; clear counts only when clear_counts is set.
2391         (Sized_relobj::Sized_relobj): Initialize new base class.
2392         (Sized_relobj::do_layout): Don't report special sections.
2393         (Sized_relobj::do_for_all_local_got_entries): New function.
2394         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2395         symtab_off to all symbol table offsets.
2396         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2397         * object.h (class Got_offset_list): Move to top of file.
2398         (Object::Object): Allow case where input_file == NULL.
2399         (Object::~Object): Likewise.
2400         (Object::input_file): Assert that input_file != NULL.
2401         (Object::lock): Allow case where input_file == NULL.
2402         (Object::unlock): Likewise.
2403         (Object::is_locked): Likewise.
2404         (Object::token): Likewise.
2405         (Object::release): Likewise.
2406         (Object::is_incremental): New function.
2407         (Object::get_mtime): New function.
2408         (Object::for_all_local_got_entries): New function.
2409         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2410         (Object::set_is_in_system_directory): New function.
2411         (Object::is_in_system_directory): New function.
2412         (Object::do_is_incremental): New function.
2413         (Object::do_get_mtime): New function.
2414         (Object::do_for_all_local_got_entries): New function.
2415         (Object::is_in_system_directory_): New data member.
2416         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2417         (class Sized_relobj_base): New class.
2418         (class Sized_relobj): Derive from Sized_relobj_base.
2419         (class Sized_relobj::Symbols): Redeclare from base class.
2420         (class Sized_relobj::local_got_offset_list): Remove.
2421         (class Sized_relobj::Output_sections): Redeclare from base class.
2422         (class Sized_relobj::do_for_all_local_got_entries): New function.
2423         (class Sized_relobj::write_local_symbols): Add offset parameter.
2424         (class Sized_relobj::local_symbol_offset_): Update comment.
2425         (class Sized_relobj::local_dynsym_offset_): Update comment.
2426         * options.cc (Input_arguments::add_file): Remove const.
2427         * options.h (Input_file_argument::Input_file_argument):
2428         Initialize arg_serial_ (all constructors).
2429         (Input_file_argument::set_arg_serial): New function.
2430         (Input_file_argument::arg_serial): New function.
2431         (Input_file_argument::arg_serial_): New data member.
2432         (Input_arguments::Input_arguments): Initialize file_count_.
2433         (Input_arguments::add_file): Remove const.
2434         (Input_arguments::number_of_input_files): New function.
2435         (Input_arguments::file_count_): New data member.
2436         (Command_line::number_of_input_files): Call
2437         Input_arguments::number_of_input_files.
2438         * output.cc (Output_segment_headers::Output_segment_headers):
2439         Set current size.
2440         (Output_section::Input_section::current_data_size): New function.
2441         (Output_section::Output_section): Initialize new data members.
2442         (Output_section::add_input_section): Don't do merge sections for
2443         an incremental link; allocate space from free list for an
2444         incremental update.
2445         (Output_section::add_output_section_data): Allocate space from
2446         free list for an incremental update.
2447         (Output_section::update_data_size): New function.
2448         (Output_section::set_fixed_layout): New function.
2449         (Output_section::reserve): New function.
2450         (Output_segment::set_section_addresses): Remove const.
2451         (Output_segment::set_section_list_addresses): Remove const; allocate
2452         space from free list for an incremental update.
2453         (Output_segment::set_offset): Adjust size of RELRO segment for an
2454         incremental update.
2455         * output.h (Output_data::current_data_size): Move here from
2456         child classes.
2457         (Output_data::pre_finalize_data_size): New function.
2458         (Output_data::update_data_size): New function.
2459         (Output_section_headers::update_data_size): new function.
2460         (Output_section_data_build::current_data_size): Move to Output_data.
2461         (Output_data_strtab::update_data_size): New function.
2462         (Output_section::current_data_size): Move to Output_data.
2463         (Output_section::set_fixed_layout): New function.
2464         (Output_section::has_fixed_layout): New function.
2465         (Output_section::reserve): New function.
2466         (Output_section::update_data_size): New function.
2467         (Output_section::has_fixed_layout_): New data member.
2468         (Output_section::free_list_): New data member.
2469         (Output_segment::set_section_addresses): Remove const.
2470         (Output_segment::set_section_list_addresses): Remove const.
2471         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2472         New function.
2473         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2474         New function.
2475         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2476         parameter when calling Add_symbols constructor; store argument
2477         serial number for members of a lib group.
2478         (Add_symbols::locks): Allow case where token == NULL.
2479         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2480         (Read_member::~Read_member): New function.
2481         (Read_member::is_runnable): New function.
2482         (Read_member::locks): New function.
2483         (Read_member::run): New function.
2484         (Check_script::~Check_script): New function.
2485         (Check_script::is_runnable): New function.
2486         (Check_script::locks): New function.
2487         (Check_script::run): New function.
2488         (Check_library::~Check_library): New function.
2489         (Check_library::is_runnable): New function.
2490         (Check_library::locks): New function.
2491         (Check_library::run): New function.
2492         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2493         (Add_symbols::library_): New data member.
2494         (class Read_member): New class.
2495         (class Check_script): New class.
2496         (class Check_library): New class.
2497         * reloc.cc (Read_relocs::is_runnable): Allow case where
2498         token == NULL.
2499         (Read_relocs::locks): Likewise.
2500         (Scan_relocs::locks): Likewise.
2501         (Relocate_task::locks): Likewise.
2502         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2503         to clear counters.
2504         (Sized_relobj::incremental_relocs_scan): Fix comment.
2505         (Sized_relobj::do_relocate): Pass output file offset to
2506         write_local_symbols.
2507         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2508         from class declaration.
2509         * script.cc (read_input_script): Allocate Script_info; pass
2510         argument serial number to report_script.
2511         * script.h (class Script_info): Move to incremental.h.
2512         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2513         * symtab.h (Symbol_table::add_from_incrobj): New function.
2514         (Symbol_table::set_file_offset): New function.
2515
2516 2011-04-05  Cary Coutant  <ccoutant@google.com>
2517
2518         * incremental-dump.cc (dump_incremental_inputs): Change signature
2519         to take a Sized_incremental_binary; change caller.  Use readers
2520         in Sized_incremental_binary.
2521         * incremental.cc
2522         (Sized_incremental_binary::find_incremental_inputs_sections):
2523         Rename do_find_incremental_inputs_sections to this.
2524         (Sized_incremental_binary::setup_readers): New function.
2525         (Sized_incremental_binary::do_check_inputs): Check
2526         has_incremental_info_ flag; move setup code to setup_readers;
2527         use input readers.
2528         (Sized_incremental_binary::do_file_is_unchanged): New function.
2529         (Sized_incremental_binary::do_get_input_reader): New function.
2530         * incremental.h (class Incremental_binary): Move to end of file.
2531         (Incremental_binary::file_is_unchanged): New function.
2532         (Incremental_binary::do_file_is_unchanged): New function.
2533         (Incremental_binary::Input_reader): New class.
2534         (Incremental_binary::get_input_reader): New function.
2535         (class Sized_incremental_binary): Move to end of file.
2536         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2537         input section reader classes.
2538         (Sized_incremental_binary::has_incremental_info): New function.
2539         (Sized_incremental_binary::inputs_reader): New function.
2540         (Sized_incremental_binary::symtab_reader): New function.
2541         (Sized_incremental_binary::relocs_reader): New function.
2542         (Sized_incremental_binary::got_plt_reader): New function.
2543         (Sized_incremental_binary::do_file_is_unchanged): New function.
2544         (Sized_incremental_binary::Sized_input_reader): New class.
2545         (Sized_incremental_binary::get_input_reader): New function.
2546         (Sized_incremental_binary::find_incremental_inputs_sections):
2547         Rename do_find_incremental_inputs_sections to this.
2548         (Sized_incremental_binary::setup_readers): New function.
2549         (Sized_incremental_binary::has_incremental_info_): New data member.
2550         (Sized_incremental_binary::inputs_reader_): New data member.
2551         (Sized_incremental_binary::symtab_reader_): New data member.
2552         (Sized_incremental_binary::relocs_reader_): New data member.
2553         (Sized_incremental_binary::got_plt_reader_): New data member.
2554         (Sized_incremental_binary::current_input_file_): New data member.
2555
2556 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2557
2558         PR gold/12640
2559         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2560         violation.
2561
2562 2011-03-30  Cary Coutant  <ccoutant@google.com>
2563
2564         * archive.cc (Archive::include_member): Adjust call to report_object.
2565         (Add_archive_symbols::run): Add script_info to call to
2566         report_archive_begin.
2567         (Lib_group::include_member): Adjust call to report_object.
2568         (Add_lib_group_symbols::run): Adjust call to report_object.
2569         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2570         blocks.  Add object count for script input files.
2571         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2572         script_info parameter; change all callers.
2573         (Incremental_inputs::report_object): Add script_info parameter;
2574         change all callers.
2575         (Incremental_inputs::report_script): Store backpointer to
2576         incremental info entry.
2577         (Output_section_incremental_inputs::set_final_data_size): Record
2578         additional information for scripts.
2579         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2580         * incremental.h (Incremental_script_entry::add_object): New function.
2581         (Incremental_script_entry::get_object_count): New function.
2582         (Incremental_script_entry::get_object): New function.
2583         (Incremental_script_entry::objects_): New data member; adjust
2584         constructor.
2585         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2586         (Incremental_inputs::report_object): Add script_info parameter.
2587         (Incremental_inputs_reader::get_object_count): New function.
2588         (Incremental_inputs_reader::get_object_offset): New function.
2589         * options.cc (Input_arguments::add_file): Return reference to
2590         new input argument.
2591         * options.h (Input_argument::set_script_info): New function.
2592         (Input_argument::script_info): New function.
2593         (Input_argument::script_info_): New data member; adjust all
2594         constructors.
2595         (Input_file_group::add_file): Return reference to new input argument.
2596         (Input_file_lib::add_file): Likewise.
2597         (Input_arguments::add_file): Likewise.
2598         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2599         * script.cc (Parser_closure::Parser_closure): Add script_info
2600         parameter; adjust all callers.
2601         (Parser_closure::script_info): New function.
2602         (Parser_closure::script_info_): New data member.
2603         (read_input_script): Report scripts earlier to incremental info.
2604         (script_add_file): Set script_info in Input_argument.
2605         (script_add_library): Likewise.
2606         * script.h (Script_options::Script_info): Rewrite class.
2607
2608 2011-03-29  Cary Coutant  <ccoutant@google.com>
2609
2610         * archive.cc (Library_base::should_include_member): Move
2611         method here from class Archive.
2612         (Archive::Archive): Initialize base class.
2613         (Archive::should_include_member): Move to base class.
2614         (Archive::do_for_all_unused_symbols): New function.
2615         (Add_archive_symbols::run): Remove redundant access to
2616         incremental_inputs.
2617         (Lib_group::Lib_group): Initialize base class.
2618         (Lib_group::do_filename): New function.
2619         (Lib_group::include_member): Pass pointer to Lib_group to
2620         report_object.
2621         (Lib_group::do_for_all_unused_symbols): New function.
2622         (Add_lib_group_symbols::run): Report archive information for
2623         incremental links.
2624         * archive.h (class Library_base): New base class.
2625         (class Archive): Derive from Library_base.
2626         (Archive::filename): Move to base class.
2627         (Archive::set_incremental_info): Likewise.
2628         (Archive::incremental_info): Likewise.
2629         (Archive::Should_include): Likewise.
2630         (Archive::should_include_member): Likewise.
2631         (Archive::Armap_entry): Remove.
2632         (Archive::Unused_symbol_iterator): Remove.
2633         (Archive::unused_symbols_begin): Remove.
2634         (Archive::unused_symbols_end): Remove.
2635         (Archive::do_filename): New function.
2636         (Archive::do_get_mtime): New function.
2637         (Archive::do_for_all_unused_symbols): New function.
2638         (Archive::task_): Move to base class.
2639         (Archive::incremental_info_): Likewise.
2640         (class Lib_group): Derive from Library_base.
2641         (Lib_group::do_filename): New function.
2642         (Lib_group::do_get_mtime): New function.
2643         (Lib_group::do_for_all_unused_symbols): New function.
2644         (Lib_group::task_): Move to base class.
2645         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2646         function.
2647         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2648         function.
2649         * incremental.cc (Incremental_inputs::report_archive_begin):
2650         Use Library_base; call library's get_mtime; add incremental inputs
2651         entry before members.
2652         (class Unused_symbol_visitor): New class.
2653         (Incremental_inputs::report_archive_end): Use Library_base; use
2654         visitor class to record unused symbols; don't add incremental inputs
2655         entry after members.
2656         (Incremental_inputs::report_object): Use Library_base.
2657         * incremental.h
2658         (Incremental_archive_entry::Incremental_archive_entry): Remove
2659         unused Archive parameter.
2660         (Incremental_inputs::report_archive_begin): Use Library_base.
2661         (Incremental_inputs::report_archive_end): Likewise.
2662         (Incremental_inputs::report_object): Likewise.
2663         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2664         function.
2665         * object.h (Object::for_all_global_symbols): New function.
2666         (Object::do_for_all_global_symbols): New function.
2667         (Sized_relobj::do_for_all_global_symbols): New function.
2668         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2669         function.
2670         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2671         function.
2672
2673 2011-03-27  Ian Lance Taylor  <iant@google.com>
2674
2675         * archive.cc (Archive::interpret_header): Return -1 if something
2676         goes wrong.  Change callers accordingly.
2677
2678 2011-03-25  Cary Coutant  <ccoutant@google.com>
2679
2680         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2681         * testsuite/Makefile.in: Regenerate.
2682
2683 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2684
2685         * plugin.cc (get_view): New.
2686         (Plugin::load): Pass get_view to the plugin.
2687         (Plugin_manager::get_view): New.
2688
2689 2011-03-21  Ian Lance Taylor  <iant@google.com>
2690
2691         * testsuite/final_layout.sh: Rewrite to not use dc.
2692         * testsuite/relro_test.sh: Fail if dc is not present.
2693
2694 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2695
2696         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2697         Change == to -eq.
2698         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2699         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2700         Change == to -eq.
2701         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2702         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2703
2704 2011-03-14  Ian Lance Taylor  <iant@google.com>
2705
2706         * script-sections.cc (Sort_output_sections::script_compare):
2707         Rename from is_before, change return type.
2708         (Sort_output_sections::operator()): Adjust accordingly.
2709
2710 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2711
2712         PR gold/12572
2713         * testsuite/odr_violation2.cc: Add comment to make all error line
2714         numbers double digits.
2715         * testsuite/debug_msg.sh: Adjust expected errors.
2716
2717 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2718
2719         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2720         but mark earlier ones as non-canonical
2721         (offset_to_iterator): Update search target and example
2722         (do_addr2line): Return extra lines in a vector*
2723         (format_file_lineno): Extract from do_addr2line
2724         (one_addr2line): Add vector* out-param
2725         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2726         when a lineno entry appeared last for its instruction
2727         (Dwarf_line_info): Add vector* out-param
2728         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2729         * symtab.cc (Odr_violation_compare): Include the lineno in the
2730         comparison again.
2731         (linenos_from_loc): New. Combine the canonical line for an
2732         address with its other lines.
2733         (True_if_intersect): New. Helper functor to make
2734         std::set_intersection a query.
2735         (detect_odr_violations): Compare sets of lines instead of just
2736         one line for each function. This became less deterministic, but
2737         has fewer false positives.
2738         * symtab.h: Declarations.
2739         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2740         mix an optimized and non-optimized object in the same binary
2741         (odr_violation2.so): Same.
2742         * testsuite/Makefile.in: Regenerate from Makefile.am.
2743         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2744         * testsuite/debug_msg.sh: Update line numbers and add
2745         assertions.
2746         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2747         non-optimized context.
2748         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2749         isn't inlined, and use OdrDerived in an optimized context.
2750         * testsuite/odr_header1.h: Defines OdrDerived, where
2751         optimization will change the
2752         first-instruction-in-the-destructor's file and line number.
2753         * testsuite/odr_header2.h: Defines OdrBase.
2754
2755 2011-03-09  Ian Lance Taylor  <iant@google.com>
2756
2757         * fileread.cc (File_read::clear_views): Don't delete the whole
2758         file view.
2759
2760 2011-03-08  Ian Lance Taylor  <iant@google.com>
2761
2762         PR gold/12525
2763         * fileread.cc: #include <climits>.
2764         (GOLD_IOV_MAX): Define.
2765         (File_read::read_multiple): Limit number of entries by iov_max.
2766         * fileread.h (class File_read): Always set max_readv_entries to
2767         128.
2768
2769 2011-03-07  Ian Lance Taylor  <iant@google.com>
2770
2771         PR gold/12525
2772         * options.h (class General_options): Add -dy and -dn.
2773
2774 2011-03-02  Cary Coutant  <ccoutant@google.com>
2775
2776         * testsuite/script_test_9.t: Add TLS segment.
2777
2778 2011-03-02  Simon Baldwin  <simonb@google.com>
2779
2780         * configure.ac: Add check for gnu_indirect_function support in
2781         the toolchain building binutils.
2782         * configure: Rebuild.
2783
2784 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2785
2786         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2787         plugin only symbols.
2788         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2789         in plugin files as not needed in the symbol table.
2790
2791 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2792
2793         * output.cc (Output_section::add_input_section): Delay fill
2794         generation for section ordering.
2795
2796 2011-02-09  Ian Lance Taylor  <iant@google.com>
2797
2798         PR gold/12316
2799         * object.h (class Sized_relobj): Remove clear_local_symbols.
2800         * reloc.cc (Sized_relobj::do_relocate): Don't call
2801         clear_local_symbols.
2802
2803 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2804
2805         * plugin.cc (is_visible_from_outside): Return true for symbols
2806         in the -u option.
2807
2808 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2809
2810         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2811         filename.
2812
2813 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2814
2815         * icf.h (is_section_foldable_candidate): Change type of parameter
2816         to std::string.
2817         * icf.cc (Icf::find_identical_sections): Change type of local variable
2818         section_name to be std::string.
2819         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2820
2821 2011-01-25  Ian Lance Taylor  <iant@google.com>
2822
2823         * script.cc (script_add_extern): Rewrite to use
2824         add_symbol_reference.
2825
2826 2011-01-25  Doug Kwan  <dougkwan@google.com>
2827
2828         * icf.cc (get_section_contents): Always lock section's object.
2829
2830 2011-01-24  Ian Lance Taylor  <iant@google.com>
2831
2832         * options.h (class General_options): Accept
2833         --no-detect-odr-violations.
2834
2835 2011-01-24  Ian Lance Taylor  <iant@google.com>
2836
2837         * version.cc (version_string): Bump to 1.11.
2838
2839 2011-01-24  Ian Lance Taylor  <iant@google.com>
2840
2841         * plugin.cc (class Plugin_rescan): Define new class.
2842         (Plugin_manager::claim_file): Set any_claimed_.
2843         (Plugin_manager::save_archive): New function.
2844         (Plugin_manager::save_input_group): New function.
2845         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2846         necessary.
2847         (Plugin_manager::new_undefined_symbol): New function.
2848         (Plugin_manager::rescan): New function.
2849         (Plugin_manager::rescannable_defines): New function.
2850         (Plugin_manager::add_input_file): Set any_added_.
2851         * plugin.h (class Plugin_manager): define new fields rescannable_,
2852         undefined_symbols_, any_claimed_, and any_added_.  Declare
2853         Plugin_rescan as friend.  Declare new functions.
2854         (Plugin_manager::Rescannable): Define type.
2855         (Plugin_manager::Rescannable_list): Define type.
2856         (Plugin_manager::Undefined_symbol_list): Define type.
2857         (Plugin_manager::Plugin_manager): Initialize new fields.
2858         * archive.cc (Archive::defines_symbol): New function.
2859         (Add_archive_symbols::run): Pass archive to plugins if any.
2860         * archive.h (class Archive): Declare defines_symbol.
2861         * readsyms.cc (Input_group::~Input_group): New function.
2862         (Finish_group::run): Pass input_group to plugins if any.
2863         * readsyms.h (class Input_group): Declare destructor.
2864         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2865         any.
2866
2867 2011-01-10  Ian Lance Taylor  <iant@google.com>
2868
2869         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2870         section as relro.
2871         (Layout::set_segment_offsets): Reset increase_relro before calling
2872         set_section_addresses a second time.
2873
2874 2011-01-04  Cary Coutant  <ccoutant@google.com>
2875
2876         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2877         sections before NOBITS sections.
2878
2879 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2880
2881         * version.cc (print_version): Update copyright to 2011.
2882
2883 2010-12-23  Cary Coutant  <ccoutant@google.com>
2884
2885         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2886         of OS to this->add.  Add OD parameter to second form of the function.
2887
2888 2010-12-20  Ian Lance Taylor  <iant@google.com>
2889
2890         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2891         second of two consecutive entries with same offset.
2892
2893 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2894
2895         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2896         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2897         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2898         to avoid unneeded links against $(LDADD).
2899         * testsuite/Makefile.in: Regenerate.
2900
2901 2010-12-15  Ian Lance Taylor  <iant@google.com>
2902
2903         PR gold/12324
2904         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2905         for R_X86_64_32 and R_X86_64_PC32.
2906         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2907         ver_matching_def_pic.o.
2908         (ver_matching_def_pic.o): New target.
2909
2910 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2911
2912         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2913         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2914         Move definition before File_read::View member definitions.
2915         (File_read::View::~View): Initialize and hold lock before
2916         updating current_mapped_bytes.
2917
2918 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2919
2920         * dwarf_reader.cc: Remove outdated comment.
2921         * gold-threads.cc: Fix typo in error message.
2922         * archive.cc: Fix typos in comments.
2923         * archive.h: Likewise.
2924         * arm-reloc-property.cc: Likewise.
2925         * arm-reloc-property.h: Likewise.
2926         * arm-reloc.def: Likewise.
2927         * arm.cc: Likewise.
2928         * attributes.h: Likewise.
2929         * cref.cc: Likewise.
2930         * ehframe.cc: Likewise.
2931         * fileread.h: Likewise.
2932         * gold.h: Likewise.
2933         * i386.cc: Likewise.
2934         * icf.cc: Likewise.
2935         * incremental.h: Likewise.
2936         * int_encoding.cc: Likewise.
2937         * layout.h: Likewise.
2938         * main.cc: Likewise.
2939         * merge.h: Likewise.
2940         * object.cc: Likewise.
2941         * object.h: Likewise.
2942         * options.cc: Likewise.
2943         * readsyms.cc: Likewise.
2944         * reduced_debug_output.cc: Likewise.
2945         * reloc.cc: Likewise.
2946         * script-sections.cc: Likewise.
2947         * sparc.cc: Likewise.
2948         * symtab.h: Likewise.
2949         * target-reloc.h: Likewise.
2950         * target.cc: Likewise.
2951         * target.h: Likewise.
2952         * timer.cc: Likewise.
2953         * timer.h: Likewise.
2954         * x86_64.cc: Likewise.
2955
2956 2010-12-09  Cary Coutant  <ccoutant@google.com>
2957
2958         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2959         stack.
2960         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2961         parameter; change all callers.
2962         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2963         * options.h (warn_execstack): New option.
2964
2965 2010-12-07  Doug Kwan  <dougkwan@google.com>
2966
2967         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2968         like function call relocations.
2969
2970 2010-12-07  Ian Lance Taylor  <iant@google.com>
2971
2972         * archive.cc (Archive::get_elf_object_for_member): Permit
2973         punconfigured to be NULL.
2974         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2975         (Archive::include_member): Pass NULL to get_elf_object_for_member
2976         if we searched for the archive and this is the first included
2977         object.
2978
2979 2010-12-01  Ian Lance Taylor  <iant@google.com>
2980
2981         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2982         track_relocs_type_ field.
2983         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2984         Set track_relocs_type_.
2985         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2986         contents when using RELA relocs.
2987         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2988         reloc_map_.
2989         * reloc.cc (Track_relocs::next_addend): New function.
2990         * reloc.h (class Track_relocs): Declare next_addend.
2991
2992 2010-12-01  Ian Lance Taylor  <iant@google.com>
2993
2994         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2995         virtual destructor.
2996
2997 2010-12-01  Ian Lance Taylor  <iant@google.com>
2998
2999         * README: Update compilers known to work and fail.
3000
3001 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3002
3003         * configure.in: For --enable-gold, handle value `default' instead of
3004         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3005         not the default.
3006         * configure: Regenerate.
3007
3008 2010-11-18  Doug Kwan  <dougkwan@google.com>
3009
3010         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3011         and right_alignment to be zero.  Store result alignment only if it is
3012         greater than existing alignment.
3013
3014 2010-11-16  Cary Coutant  <ccoutant@google.com>
3015
3016         PR gold/12220
3017         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3018         Check for ".zdebug_line".
3019
3020 2010-11-16  Doug Kwan  <dougkwan@google.com>
3021             Cary Coutant  <ccoutant@google.com>
3022
3023         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3024         by reference; adjust all callers.
3025         * output.cc (Output_segment::set_section_addresses): Adjust references
3026         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3027         list is empty.
3028         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3029         end at page boundary.
3030
3031 2010-11-16  Cary Coutant  <ccoutant@google.com>
3032
3033         PR gold/12220
3034         * layout.cc (Layout::choose_output_section): Transform names of
3035         compressed sections even when using a script with a SECTIONS clause.
3036         (Layout::output_section_name): Remove code to transform
3037         compressed debug section names.
3038         * output.cc (Output_section::add_input_section): Use uncompressed
3039         section size when tracking input sections.
3040
3041 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3042
3043         * symtab.h (Symbol::NON_PIC_REF): Remove.
3044         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3045         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3046         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3047         (Symbol::use_plt_offset): Take a flags argument and pass it
3048         directly to needs_dynamic_reloc.  Restrict check for undefined
3049         weak symbols to function calls.
3050         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3051         (Target_arm::Scan::global): Use it.
3052         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3053         (Target_arm::Relocate::relocate): Likewise.
3054         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3055         parameter with an r_type parameter.  Use get_reference_flags
3056         to get the flags.
3057         (Target_arm::Relocate::relocate): Update accordingly.
3058         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3059         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3060         (Target_i386::Scan::global): Likewise.
3061         (Target_i386::Relocate::relocate): Likewise.
3062         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3063         parameter with an r_type parameter.  Use get_reference_flags
3064         to get the flags.
3065         (Target_i386::Relocate::relocate): Update accordingly.
3066         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3067         (Target_powerpc::Scan::global): Use it.
3068         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3069         (Target_powerpc::Relocate::relocate): Likewise.
3070         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3071         (Target_sparc::Scan::global): Use it.
3072         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3073         (Target_sparc::Relocate::relocate): Likewise.
3074         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3075         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3076         (Target_x86_64::Scan::global): Likewise.
3077         (Target_x86_64::Relocate::relocate): Likewise.
3078
3079 2010-11-08  Doug Kwan  <dougkwan@google.com>
3080             Cary Coutant  <ccoutant@google.com>
3081
3082         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3083         (Arm_exidx_merge_section::section_contents_): New data member.
3084         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3085         (Arm_input_section::~Arm_input_section): De-allocate memory.
3086         (Arm_input_section::original_contents_): New data member.
3087         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3088         in parameters instead of calling Object::section_contents without
3089         locking.
3090         (Arm_output_section::group_section): New parameter TASK.  Pass it
3091         to callees that need locking objects.
3092         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3093         to lock EXIDX input sections.  Fix a formatting issue.  Call
3094         Arm_exidx_merged_section::build_contents to create merged section
3095         contents.
3096         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3097         to lock object of stub table owner.
3098         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3099         TEXT_SIZE to initialize data member TEXT_SIZE_.
3100         (Arm_exidx_input_section::addralign): Fix typo in comment.
3101         (Arm_exidx_input_section::text_size): New method.
3102         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3103         that require locking objects.  Lock objects before scanning for stubs
3104         and updating local symbols.
3105         (Arm_input_section<big_endian>::init): Copy contents of original
3106         input section.
3107         (Arm_input_section<big_endian>::do_write): Use saved contents of
3108         original input section instead of calling Object::section_contents
3109         without locking.
3110         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3111         size without calling Object::section_size().
3112         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3113         for size.  Allocate a buffer for merged EXIDX entries.
3114         (Arm_exidx_merged_section::build_contents): New method.
3115         (Arm_exidx_merged_section::do_write): Move merge section contents
3116         building code to Arm_exidx_merged_section::build_contetns.  Write
3117         out contetns in buffer instead of building it on the fly.
3118         (Arm_relobj::make_exidx_input_section): Also pass text section size
3119         to Arm_exidx_input_section constructor.
3120         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3121         (Arm_dynobj::do_read_symbols): Fix memory leak.
3122         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3123         * target.h: (class Task): Add forward declaration.
3124         (Target::relax): Add new parameter TASK and pass it to
3125         Target::do_relax().
3126         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3127
3128 2010-11-05  Cary Coutant  <ccoutant@google.com>
3129
3130         PR gold/10708
3131         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3132         object when reading from the file.
3133         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3134         second layout pass.
3135         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3136         when reading section contents.
3137         (get_section_contents): Likewise.
3138         (icf::find_identical_sections): Likewise.
3139         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3140         object when reading from the file.
3141         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3142         the object when doing deferred section layout.
3143
3144 2010-11-03  Nick Clifton  <nickc@redhat.com>
3145
3146         PR gold/12001
3147         * script.h (class Symbol_assignment: name): New member.  Returns
3148         the name of the symbol.
3149         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3150         Returns true if the given symbol name is on the list of
3151         assignments wating to be processed.
3152         * archive.cc (should_incldue_member): If the symbol is undefined,
3153         check to see if it is on the list of symbols pending assignment.
3154
3155 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3156
3157         * script-sections.cc (Script_sections::find_memory_region): Check
3158         for a NULL output section pointer.
3159
3160 2010-10-29  Doug Kwan  <dougkwan@google.com>
3161
3162         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3163         Output_section::add_relaxed_input_section.
3164         * output.cc (Output_section::add_relaxed_input_section): Add new
3165         arguments LAYOUT and NAME.  Set section order index.
3166         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3167         Copy section order index.
3168         * output.h (Output_section::add_relaxed_input_section): Add new
3169         arguments LAYOUT and NAME.
3170
3171 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3172
3173         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3174         NATIVE_OR_CROSS_LINKER.
3175         * testsuite/Makefile.in: Regenerate.
3176
3177 2010-10-20  Doug Kwan  <dougkwan@google.com>
3178
3179         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3180         without SHF_LINK_ORDER flags.
3181         * layout.cc (Layout::choose_output_section): Do not filter
3182         SHF_LINK_ORDER flag in a relocatable link.
3183
3184 2010-10-17  Cary Coutant  <ccoutant@google.com>
3185
3186         * output.h (Output_segment::set_section_addresses): Change function
3187         signature.  Update all callers.
3188         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3189         sections.
3190         (Output_segment::set_section_addresses): Align after last TLS
3191         section.  Add padding before last relro section instead of after.
3192
3193 2010-10-17  Doug Kwan  <dougkwan@google.com>
3194
3195         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3196         GOT output section to be writable.
3197
3198 2010-10-14  Cary Coutant  <ccoutant@google.com>
3199
3200         * debug.h (DEBUG_INCREMENTAL): New flag.
3201         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3202         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3203         mode.
3204         * incremental.cc (report_command_line): Ignore all forms of
3205         --incremental.
3206         * layout.cc (Layout::Layout): Check parameters for incremental link
3207         mode.
3208         * options.cc (General_options::parse_incremental): New function.
3209         (General_options::parse_no_incremental): New function.
3210         (General_options::parse_incremental_full): New function.
3211         (General_options::parse_incremental_update): New function.
3212         (General_options::incremental_mode_): New data member.
3213         (General_options::finalize): Check incremental_mode_.
3214         * options.h (General_options): Update help text for --incremental.
3215         Add --no-incremental, --incremental-full, --incremental-update.
3216         (General_options::Incremental_mode): New enum type.
3217         (General_options::incremental_mode): New function.
3218         (General_options::incremental_mode_): New data member.
3219         * parameters.cc (Parameters::incremental_mode_): New data member.
3220         (Parameters::set_options): Set incremental_mode_.
3221         (Parameters::set_incremental_full): New function.
3222         (Parameters::incremental): New function.
3223         (Parameters::incremental_update): New function.
3224         (set_parameters_incremental_full): New function.
3225         * parameters.h (Parameters::set_incremental_full): New function.
3226         (Parameters::incremental): New function.
3227         (Parameters::incremental_update): New function.
3228         (Parameters::incremental_mode_): New data member.
3229         (set_parameters_incremental_full): New function.
3230         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3231         incremental link mode.
3232         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3233         (Sized_relobj::do_relocate_sections): Likewise.
3234         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3235         option.
3236         * testsuite/Makefile.in: Regenerate.
3237         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3238
3239 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3240
3241         * script-sections.h (class Script_sections): Make
3242         Sections_elements typedef public.
3243         * script-sections.cc (class Sort_output_sections): Add elements_
3244         field.  Add constructor which sets it; change all callers.
3245         (Sort_output_sections::is_before): New function.
3246         (Sort_output_sections::operator()): Call is_before.
3247         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3248         conditional.
3249         * testsuite/script_test_10.sh: New test. Test script section
3250         order.
3251         * testsuite/script_test_10.t: Likewise.
3252         * testsuite/script_test_10.s: Likewise.
3253         * testsuite/Makefile.am: Wrap the cross linker tests and the
3254         common tests into NATIVE_OR_CROSS_LINKER.
3255         (check_SCRIPTS): Add script_test_10.sh.
3256         (check_DATA): Add script_test_10.stdout.
3257         (script_test_10.o, script_test_10): New targets.
3258         (script_test_10.stdout): New target.
3259         * configure, testsuite/Makefile.in: Regenerate.
3260
3261 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3262
3263         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3264         error for the deprecated relocations.
3265         (Target_arm::Scan::global): Likewise.
3266         (Target_arm::Relocate::relocate): Likewise.
3267
3268 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3269
3270         * fileread.cc (Input_file::find_file): Initialize *found_name
3271         and *namep when using the fallback search for case 4.
3272
3273 2010-10-11  Cary Coutant  <ccoutant@google.com>
3274
3275         * options.h (class General_options): Redefine -z lazy as an alias for
3276         the negation of -z now.
3277
3278 2010-10-11  Ian Lance Taylor  <iant@google.com>
3279
3280         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3281         binding.
3282
3283 2010-10-06  Nick Clifton  <nickc@redhat.com>
3284
3285         * script-sections.cc(class Memory_region): Remove
3286         current_lma_offset_ field.  Rename current_vma_offset_ to
3287         current_offset_.  Add last_section_ field.
3288         (Memory_region::get_current_vma_address): Rename to
3289         get_current_address.
3290         (Memory_region::get_current_lma_address): Delete.
3291         (Memory_region::increment_vma_offset): Rename to
3292         increment_offset.
3293         (Memory_region::increment_lma_offset): Delete.
3294         (Memory_region::attributes_compatible): New method.  Returns
3295         true if the provided section is compatible with the region.
3296         (Memory_region::get_last_section): New method.  Returns the last
3297         section to use the region.
3298         (Memory_region::set_last_section): New method.  Stores the last
3299         section to use the region.
3300         (Script_sections::block_in_region): New method.  Returns true if
3301         a block of memory is contained within a region.
3302         (Script_sections::find_memory_region): New method.  Locates a
3303         memory region to be used to set a VMA or LMA address.
3304         (Output_section_definition::set_section_addresses): Add code to
3305         check for addresses set by memory regions.
3306         (Output_segment::set_section_addresses): Remove memory region
3307         walking code.
3308         (Script_sections::create_segment): Add a warning if a header
3309         segment is created outside of any region.
3310         * script-sections.h (class Script_sections): Add prototypes for
3311         find_memory_region and block_in_region methods.
3312         * testsuite/memory_test.s: Use .long instead of .word.
3313         * testsuite/memory_test.t: Add some more output sections.
3314         * testsuite/memory_test.sh: Update expected output.
3315
3316 2010-10-02  Doug Kwan  <dougkwan@google.com>
3317
3318         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3319         defintion to symtab.h
3320         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3321         declaration to defintion.
3322
3323 2010-10-01  Nick Clifton  <nickc@redhat.com>
3324
3325         * expression.cc (eval): Replace dummy argument with NULL.
3326         (eval_maybe_dot): Check for a NULL result section pointer.
3327         (Symbol_expression::value): Likewise.
3328         (Dot_expression::value): Likewise.
3329         (BINARY_EXPRESSION): Likewise.
3330         (Max_expression::value): Likewise.
3331         (Min_expression::value): Likewise.
3332         (Absolute_expression::value): Likewise.
3333         (Addr_expression::value_from_output_section): Likewise.
3334         (Loaddddr_expression::value_from_output_section): Likewise.
3335         (Segment_start_expression::value): Likewise.
3336         * script-sections.cc
3337         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3338         argument with NULL.
3339         (Sections_elememt_dot_assignment::set_section_addresses):
3340         Likewise.
3341         (Output_data_expression::do_write_to_buffer): Likewise.
3342         (Output_section_definition::finalize_symbols): Likewise.
3343         (Output_section_definition::set_section_addresses): Likewise.
3344
3345 2010-09-30  Doug Kwan  <dougkwan@google.com>
3346
3347         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3348
3349 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3350
3351         * target.h (Target::can_icf_inline_merge_sections): New virtual
3352         function.
3353         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3354         virtual function.
3355         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3356         virtual function.
3357         * icf.cc (get_section_contents): Inline merge sections only when
3358         target allows it.
3359
3360 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3361
3362         * configure: Regenerate.
3363
3364 2010-09-17  Ian Lance Taylor  <iant@google.com>
3365
3366         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3367         * testsuite/Makefile.am (memory_test.o): New target.
3368         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3369         memory_test.t.
3370         * testsuite/Makefile.in: Rebuild.
3371
3372 2010-09-17  Doug Kwan  <dougkwan@google.com>
3373
3374         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3375         defintion if relocation uses GOT entries of the symbol.
3376         * testsuite/icf_safe_test.sh: Fix test.
3377         * testsuite/icf_safe_so_test.sh: Fix test.
3378
3379 2010-09-16  Cary Coutant  <ccoutant@google.com>
3380
3381         * script_sections.cc (class Memory_region): Remove "NULL" from
3382         vector initializations.
3383
3384 2010-09-15  Cary Coutant  <ccoutant@google.com>
3385
3386         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3387         Resolve forwarding symbols.
3388
3389 2010-09-15  Doug Kwan  <dougkwan@google.com>
3390
3391         * gold/testsuite/script_test_3.t: Add ARM special sections.
3392         * gold/testsuite/script_test_4.t: Same.
3393         * gold/testsuite/script_test_5.t: Same.
3394         * gold/testsuite/script_test_6.t: Same.
3395         * gold/testsuite/script_test_7.t: Same.
3396         * gold/testsuite/script_test_7.t: Same.
3397         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3398
3399 2010-09-14  Cary Coutant  <ccoutant@google.com>
3400
3401         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3402         (Target_x86_64::Relocate::relocate_tls): Replace check for
3403         saw_tls_block_reloc_ with test for executable section.
3404
3405 2010-09-12  Cary Coutant  <ccoutant@google.com>
3406
3407         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3408         position-independent executables to shared libraries need dynamic
3409         relocations.
3410         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3411         position-independent executables.
3412         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3413         * testsuite/Makefile.in: Regenerate.
3414
3415 2010-09-10  Nick Clifton  <nickc@redhat.com>
3416
3417         PR gold/11997
3418         * testsuite/memory_test.t: Discard any sections that are not
3419         needed.
3420
3421 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3422
3423         PR gold/11996
3424         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3425         "This::" to work around a bug in gcc 4.2.
3426
3427         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3428
3429 2010-09-09  Rafael Espindola  <espindola@google.com>
3430
3431         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3432         sections with different PF_X flags in the same segment.
3433         (Layout::find_first_load_seg): Search all segments to find the first
3434         one.
3435         * options.h (rosegment): New.
3436
3437 2010-09-08  Rafael Espindola  <espindola@google.com>
3438
3439         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3440
3441 2010-09-08  Doug Kwan  <dougkwan@google.com>
3442
3443         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3444         (Arm_relobj::do_relocate_sections): Add new parameter for output
3445         file to match the parent.
3446         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3447         of local symbols instead of input values.  Update code to track
3448         changes in gold::relocate_section.
3449         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3450         (Sized_relobj::compute_final_local_value_internal): New methods.
3451         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3452         body into private version of Sized_relobj::compute_final_local_value.
3453         Call the inline method.
3454         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3455         merged symbol value if there is one.
3456         (Symbol_value::has_output_value): New method defintiion.
3457         (Sized_relobj::Compute_final_local_value_status): New enum type.
3458         (Sized_relobj::compute_final_local_value): New methods.
3459         (Sized_relobj::compute_final_local_value_internal): New methods.
3460         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3461         and arm_cortex_a8.sh.
3462         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3463         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3464         New tests.
3465         * Makefile.in: Regenerate.
3466         * testsuite/arm_bl_out_of_range.s: Update test.
3467         * testsuite/thumb_bl_out_of_range.s: Ditto.
3468         * testsuite/thumb_blx_out_of_range.s: Ditto.
3469         * testsuite/arm_branch_out_of_range.sh: New file.
3470         * testsuite/arm_cortex_a8.sh: Ditto.
3471         * testsuite/arm_cortex_a8_b.s: Ditto.
3472         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3473         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3474         * testsuite/arm_cortex_a8_bl.s: Ditto.
3475         * testsuite/arm_cortex_a8_blx.s: Ditto.
3476         * testsuite/arm_cortex_a8_local.s: Ditto.
3477         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3478         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3479
3480 2010-09-08  Rafael Espindola  <espindola@google.com>
3481
3482         * Makefile.am (memory_test.stdout): Run readelf with -W.
3483         * Makefile.in: Regenerate.
3484         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3485         64 bit output.
3486
3487 2010-09-08  Rafael Espindola  <espindola@google.com>
3488
3489         * script-sections.cc (Script_sections::add_memory_region): Convert
3490         field precision to int.
3491         * script.cc (script_set_section_region, script_set_section_region):
3492         Convert field precision to int.
3493
3494 2010-09-08  Rafael Espindola  <espindola@google.com>
3495
3496         * arm.cc (do_finalize_sections): Create the __exidx_start and
3497         __exdix_end symbols even when the section is missing.
3498
3499 2010-09-08  Nick Clifton  <nickc@redhat.com>
3500
3501         * README: Remove claim that MEMORY is not supported.
3502         * expression.cc (script_exp_function_origin)
3503         (script_exp_function_length): Move from here to ...
3504         * script.cc: ... here.
3505         (script_set_section_region, script_add_memory)
3506         (script_parse_memory_attr, script_include_directive): New
3507         functions.
3508         * script-sections.cc
3509         (class Memory_region): New class.
3510         (class Output_section_definition): Add set_memory_region,
3511         set_section_vma, set_section_lma and get_section_name methods.
3512         (class Script_Sections): Add add_memory_region,
3513         find_memory_region, find_memory_region_origin,
3514         find_memory_region_length and set_memory_region methods.
3515         Have set_section_addresses method walk the list of set memory
3516         regions.
3517         Extend the print methos to display memory regions.
3518         * script-sections.h: Add prototypes for new methods.
3519         Add enum for MEMORY region attributes.
3520         * yyscript.y: Add support for parsing MEMORY regions.
3521         * script-c.h: Add prototypes for new functions.
3522         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3523         * testsuite/Makefile.in: Regenerate.
3524         * testsuite/memory_test.sh: New script.
3525         * testsuite/memory_test.s: New assembler source file.
3526         * testsuite/memory_test.t: New linker script.
3527
3528 2010-08-27  Doug Kwan  <dougkwan@google.com>
3529
3530         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3531         reference override an existing dynamic weak reference.
3532         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3533         * testsuite/Makefile.in: Regenerate.
3534         * testsuite/dyn_weak_ref.sh: New file.
3535         * testsuite/dyn_weak_ref_1.c: Ditto.
3536         * testsuite/dyn_weak_ref_2.c: Ditto.
3537
3538 2010-08-27  Ian Lance Taylor  <iant@google.com>
3539
3540         * incremental.h (class Incremental_input_entry): Add virtual
3541         destructor.
3542
3543 2010-08-27  Ian Lance Taylor  <iant@google.com>
3544
3545         * testsuite/start_lib_test_3.c: Mark t3 as used.
3546
3547 2010-08-27  Nick Clifton  <nickc@redhat.com>
3548
3549         * options.cc (version_script): Fix small typo in previous
3550         whitespace tidyup.
3551
3552 2010-08-25  Nick Clifton  <nickc@redhat.com>
3553
3554         * archive.cc: Formatting fixes: Remove whitespace between
3555         typename and following asterisk.  Remove whitespace between
3556         function name and opening parenthesis.
3557         * archive.h: Likewise.
3558         * arm.cc: Likewise.
3559         * attributes.cc: Likewise.
3560         * attributes.h: Likewise.
3561         * common.cc: Likewise.
3562         * copy-relocs.cc: Likewise.
3563         * dirsearch.h: Likewise.
3564         * dynobj.cc: Likewise.
3565         * ehframe.cc: Likewise.
3566         * ehframe.h: Likewise.
3567         * expression.cc: Likewise.
3568         * fileread.cc: Likewise.
3569         * fileread.h: Likewise.
3570         * gc.h: Likewise.
3571         * gold-threads.cc: Likewise.
3572         * gold.cc: Likewise.
3573         * i386.cc: Likewise.
3574         * icf.h: Likewise.
3575         * incremental-dump.cc: Likewise.
3576         * incremental.cc: Likewise.
3577         * layout.cc: Likewise.
3578         * layout.h: Likewise.
3579         * main.cc: Likewise.
3580         * merge.cc: Likewise.
3581         * merge.h: Likewise.
3582         * object.cc: Likewise.
3583         * object.h: Likewise.
3584         * options.cc: Likewise.
3585         * options.h: Likewise.
3586         * output.cc: Likewise.
3587         * output.h: Likewise.
3588         * plugin.cc: Likewise.
3589         * plugin.h: Likewise.
3590         * powerpc.cc: Likewise.
3591         * reloc.cc: Likewise.
3592         * script-c.h: Likewise.
3593         * script-sections.cc: Likewise.
3594         * script.cc: Likewise.
3595         * stringpool.cc: Likewise.
3596         * symtab.cc: Likewise.
3597         * symtab.h: Likewise.
3598         * target.cc: Likewise.
3599         * timer.cc: Likewise.
3600         * timer.h: Likewise.
3601         * version.cc: Likewise.
3602         * x86_64.cc: Likewise.
3603
3604 2010-08-24  Nick Clifton  <nickc@redhat.com>
3605
3606         PR 11899
3607         * layout.cc (segment_precedes): Sort segments by their physical
3608         addresses, if they have been set.
3609
3610 2010-08-23  Cary Coutant  <ccoutant@google.com>
3611
3612         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3613         symbols data.
3614         (Lib_group::include_member): Unlock object after deleting its
3615         symbols data.
3616         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3617         the bug fixed here.
3618
3619 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3620             Cary Coutant  <ccoutant@google.com>
3621
3622         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3623         constructor, and set_blocker.
3624         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3625         readsyms_blocker_.
3626         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3627         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3628         * testsuite/Makefile.am (start_lib_test): New test case.
3629         * testsuite/Makefile.in: Regenerate.
3630         * testsuite/start_lib_test_main.c: New file.
3631         * testsuite/start_lib_test_1.c: New file.
3632         * testsuite/start_lib_test_2.c: New file.
3633         * testsuite/start_lib_test_3.c: New file.
3634
3635 2010-08-19  Ian Lance Taylor  <iant@google.com>
3636
3637         * Makefile.in: Rebuild with automake 1.11.1.
3638         * aclocal.m4: Likewise.
3639         * testsuite/Makefile.in: Likewise.
3640
3641 2010-08-19  Ian Lance Taylor  <iant@google.com>
3642
3643         PR 10893
3644         * i386.cc (class Output_data_plt_i386): Update declarations.
3645         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3646         local_ifuncs_ fields.
3647         (Target_i386::do_plt_section_for_global): New function.
3648         (Target_i386::do_plt_section_for_local): New function.
3649         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3650         parameter; change all callers.  Initialize global_ifuncs_ and
3651         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3652         __rel_iplt_end.
3653         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3654         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3655         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3656         symbols.
3657         (Target_i386::make_plt_section): New function, broken out of
3658         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3659         (Target_i386::make_plt_entry): Call make_plt_section.
3660         (Target_i386::make_local_ifunc_plt_entry): New function.
3661         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3662         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3663         R_386_IRELATIVE to switch.
3664         (Target_i386::Scan::global): Likewise.
3665         (Target_i386::Relocate::relocate): Likewise.
3666         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3667         switch.
3668         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3669         (Target_x86_64::do_plt_section_for_global): New function.
3670         (Target_x86_64::do_plt_section_for_local): New function.
3671         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3672         parameter; change all callers.  If doing a static link define
3673         __rela_iplt_start and __rela_iplt_end.
3674         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3675         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3676         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3677         to point to .plt.
3678         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3679         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3680         switch.
3681         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3682         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3683         R_X86_64_IRELATIVE to switch.
3684         (Target_x86_64::Scan::global): Likewise.
3685         (Target_x86_64::Relocate::relocate): Likewise.
3686         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3687         switch.
3688         * target.h (class Target): Add plt_section_for_global and
3689         plt_section_for_local functions.  Add do_plt_section_for_global
3690         and do_plt_section_for_local virtual functions.
3691         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3692         clarifying comments.
3693         (Symbol::use_plt_offset): Handle IFUNC symbol.
3694         * object.cc (Sized_relobj::Sized_relobj): Initialize
3695         local_plt_offsets_.
3696         (Sized_relobj::local_has_plt_offset): New function.
3697         (Sized_relobj::local_plt_offset): New function.
3698         (Sized_relobj::set_local_plt_offset): New function.
3699         (Sized_relobj::do_count): Handle IFUNC symbol.
3700         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3701         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3702         is_ifunc_symbol functions.
3703         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3704         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3705         local_plt_offsets_ field.
3706         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3707         * output.h (class Output_section_data): Add non-const
3708         output_section function.
3709         (class Output_data_got): Update declarations.
3710         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3711         Add use_plt_offset parameter to global and local constructors.
3712         Change all callers.  Change local_sym_index_ field to 31 bits.
3713         Change GSYM_CODE and CONSTANT_CODE accordingly.
3714         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3715         doing a static link don't set sh_link field.
3716         (Output_data_got::Got_entry::write): Use PLT offset if
3717         appropriate.
3718         (Output_data_got::add_global_plt): New function.
3719         (Output_data_got::add_local_plt): New function.
3720         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3721         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3722         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3723         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3724         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3725         IFUNC conditional.
3726         * testsuite/ifunc-sel.h: New file.
3727         * testsuite/ifuncmain1.c: New file.
3728         * testsuite/ifuncmain1vis.c: New file.
3729         * testsuite/ifuncmod1.c: New file.
3730         * testsuite/ifuncdep2.c: New file.
3731         * testsuite/ifuncmain2.c: New file.
3732         * testsuite/ifuncmain3.c: New file.
3733         * testsuite/ifuncmod3.c: New file.
3734         * testsuite/ifuncmain4.c: New file.
3735         * testsuite/ifuncmain5.c: New file.
3736         * testsuite/ifuncmod5.c: New file.
3737         * testsuite/ifuncmain6pie.c: New file.
3738         * testsuite/ifuncmod6.c: New file.
3739         * testsuite/ifuncmain7.c: New file.
3740         * configure, testsuite/Makefile.in: Rebuild.
3741
3742 2010-08-18  Ian Lance Taylor  <iant@google.com>
3743
3744         * incremental.cc
3745         (Output_section_incremental_inputs::write_input_files): Add cast
3746         to avoid signed/unsigned comparison warning.
3747         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3748
3749 2010-08-12  Cary Coutant  <ccoutant@google.com>
3750
3751         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3752
3753 2010-08-13  Ian Lance Taylor  <iant@google.com>
3754
3755         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3756
3757 2010-08-12  Cary Coutant  <ccoutant@google.com>
3758             Doug Kwan  <dougkwan@google.com>
3759
3760         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3761         defintion overrides non-weak undef, remember that the original undef
3762         is not weak.
3763         * symtab.cc (Symbol_table::sized_write_global): For undef without
3764         an original weak binding, set binding to global in output.
3765         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3766         * testsuite/Makefile.in: Regenerate.
3767         * testsuite/strong_ref_weak_def.sh: New file.
3768         * testsuite/strong_ref_weak_def_1.c: Ditto.
3769         * testsuite/strong_ref_weak_def_2.c: Ditto.
3770
3771 2010-08-12  Cary Coutant  <ccoutant@google.com>
3772
3773         * testsuite/incremental_test.sh: Rewrite.
3774         * testsuite/incremental_test_1.c: Rewrite.
3775         * testsuite/incremental_test_2.c: Rewrite.
3776
3777 2010-08-12  Cary Coutant  <ccoutant@google.com>
3778
3779         * arm.cc (Target_arm::got_size): Add const.
3780         (Target_arm::got_entry_count): New function.
3781         (Target_arm::plt_entry_count): New function.
3782         (Target_arm::first_plt_entry_offset): New function.
3783         (Target_arm::plt_entry_size): New function.
3784         (Output_data_plt_arm::entry_count): New function.
3785         (Output_data_plt_arm::first_plt_entry_offset): New function.
3786         (Output_data_plt_arm::get_plt_entry_size): New function.
3787         * i386.cc (Target_i386::got_size): Add const.
3788         (Target_i386::got_entry_count): New function.
3789         (Target_i386::plt_entry_count): New function.
3790         (Target_i386::first_plt_entry_offset): New function.
3791         (Target_i386::plt_entry_size): New function.
3792         (Output_data_plt_i386::entry_count): New function.
3793         (Output_data_plt_i386::first_plt_entry_offset): New function.
3794         (Output_data_plt_i386::get_plt_entry_size): New function.
3795         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3796         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3797         * incremental.cc: Include target.h.
3798         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3799         parameter.  Adjust all callers.  Find incremental_got_plt section.
3800         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3801         section.
3802         (Output_section_incremental_inputs::set_final_data_size): Calculate
3803         size of incremental_got_plt section.
3804         (Output_section_incremental_inputs::do_write): Write the
3805         incremental_got_plt section.
3806         (Got_plt_view_info): New struct.
3807         (Local_got_offset_visitor): New class.
3808         (Global_got_offset_visitor): New class.
3809         (Global_symbol_visitor_got_plt): New class.
3810         (Output_section_incremental_inputs::write_got_plt): New function.
3811         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3812         Add parameter.  Adjust all callers.
3813         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3814         (Incremental_inputs::got_plt_section): New function.
3815         (Incremental_inputs::got_plt_section_): New data member.
3816         (Incremental_got_plt_reader): New class.
3817         * layout.cc (Layout::create_incremental_info_sections): Add the
3818         incremental_got_plt section.
3819         * object.h (Got_offset_list::get_list): New function.
3820         (Got offset_list::for_all_got_offsets): New function.
3821         (Sized_relobj::local_got_offset_list): New function.
3822         * powerpc.cc (Target_powerpc::got_size): Add const.
3823         (Target_powerpc::got_entry_count): New function.
3824         (Target_powerpc::plt_entry_count): New function.
3825         (Target_powerpc::first_plt_entry_offset): New function.
3826         (Target_powerpc::plt_entry_size): New function.
3827         (Output_data_plt_powerpc::entry_count): New function.
3828         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3829         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3830         * sparc.cc (Target_sparc::got_size): Add const.
3831         (Target_sparc::got_entry_count): New function.
3832         (Target_sparc::plt_entry_count): New function.
3833         (Target_sparc::first_plt_entry_offset): New function.
3834         (Target_sparc::plt_entry_size): New function.
3835         (Output_data_plt_sparc::entry_count): New function.
3836         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3837         (Output_data_plt_sparc::get_plt_entry_size): New function.
3838         * symtab.h (Symbol::got_offset_list): New function.
3839         (Symbol_table::for_all_symbols): New function.
3840         * target.h (Sized_target::got_entry_count): New function.
3841         (Sized_target::plt_entry_count): New function.
3842         (Sized_target::plt_entry_size): New function.
3843         * x86_64.cc (Target_x86_64::got_size): Add const.
3844         (Target_x86_64::got_entry_count): New function.
3845         (Target_x86_64::plt_entry_count): New function.
3846         (Target_x86_64::first_plt_entry_offset): New function.
3847         (Target_x86_64::plt_entry_size): New function.
3848         (Output_data_plt_x86_64::entry_count): New function.
3849         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3850         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3851
3852 2010-08-12  Cary Coutant  <ccoutant@google.com>
3853
3854         * archive.cc: Include incremental.h.
3855         (Archive::Archive): Initialize incremental_info_.
3856         (Archive::include_member): Record archive members in incremental info.
3857         (Add_archive_symbols::run): Record begin and end of an archive in
3858         incremental info.
3859         (Lib_group::include_member): Record objects in incremental info.
3860         * archive.h (Incremental_archive_entry): Forward declaration.
3861         (Archive::set_incremental_info): New member function.
3862         (Archive::incremental_info): New member function.
3863         (Archive::Unused_symbol_iterator): New class.
3864         (Archive::unused_symbols_begin): New member function.
3865         (Archive::unused_symbols_end): New member function.
3866         (Archive::incremental_info_): New data member.
3867         * incremental-dump.cc (find_input_containing_global): New function.
3868         (dump_incremental_inputs): Dump new incremental info sections.
3869         * incremental.cc: Include symtab.h.
3870         (Output_section_incremental_inputs): New class.
3871         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3872         new incremental info sections.
3873         (Sized_incremental_binary::do_check_inputs): Likewise.
3874         (Incremental_inputs::report_archive): Remove.
3875         (Incremental_inputs::report_archive_begin): New function.
3876         (Incremental_inputs::report_archive_end): New function.
3877         (Incremental_inputs::report_object): New function.
3878         (Incremental_inputs::finalize_inputs): Remove.
3879         (Incremental_inputs::report_input_section): New function.
3880         (Incremental_inputs::report_script): Rewrite.
3881         (Incremental_inputs::finalize): Do nothing but finalize string table.
3882         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3883         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3884         (Incremental_inputs::create_data_sections): New function.
3885         (Incremental_inputs::relocs_entsize): New function.
3886         (Output_section_incremental_inputs::set_final_data_size): New function.
3887         (Output_section_incremental_inputs::do_write): New function.
3888         (Output_section_incremental_inputs::write_header): New function.
3889         (Output_section_incremental_inputs::write_input_files): New function.
3890         (Output_section_incremental_inputs::write_info_blocks): New function.
3891         (Output_section_incremental_inputs::write_symtab): New function.
3892         * incremental.h (Incremental_script_entry): Forward declaration.
3893         (Incremental_object_entry): Forward declaration.
3894         (Incremental_archive_entry): Forward declaration.
3895         (Incremental_inputs): Forward declaration.
3896         (Incremental_inputs_header_data): Remove.
3897         (Incremental_inputs_header): Remove.
3898         (Incremental_inputs_header_write): Remove.
3899         (Incremental_inputs_entry_data): Remove.
3900         (Incremental_inputs_entry): Remove.
3901         (Incremental_inputs_entry_write): Remove.
3902         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3903         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3904         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3905         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3906         Likewise.
3907         (Incremental_input_entry): New class.
3908         (Incremental_script_entry): New class.
3909         (Incremental_object_entry): New class.
3910         (Incremental_archive_entry): New class.
3911         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3912         (Incremental_inputs::report_inputs): Remove.
3913         (Incremental_inputs::report_archive): Remove.
3914         (Incremental_inputs::report_archive_begin): New function.
3915         (Incremental_inputs::report_archive_end): New function.
3916         (Incremental_inputs::report_object): Change prototype.
3917         (Incremental_inputs::report_input_section): New function.
3918         (Incremental_inputs::report_script): Change prototype.
3919         (Incremental_inputs::get_reloc_count): New function.
3920         (Incremental_inputs::set_reloc_count): New function.
3921         (Incremental_inputs::create_data_sections): New function.
3922         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3923         (Incremental_inputs::inputs_section): New function.
3924         (Incremental_inputs::symtab_section): New function.
3925         (Incremental_inputs::relocs_section): New function.
3926         (Incremental_inputs::get_stringpool): Add const.
3927         (Incremental_inputs::command_line): Add const.
3928         (Incremental_inputs::inputs): Remove.
3929         (Incremental_inputs::command_line_key): New function.
3930         (Incremental_inputs::input_file_count): New function.
3931         (Incremental_inputs::input_files): New function.
3932         (Incremental_inputs::relocs_entsize): New function.
3933         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3934         (Incremental_inputs::finalize_inputs): Remove.
3935         (Incremental_inputs::Input_info): Remove.
3936         (Incremental_inputs::lock_): Remove.
3937         (Incremental_inputs::inputs_): Change type.
3938         (Incremental_inputs::inputs_map_): Remove.
3939         (Incremental_inputs::current_object_entry_): New data member.
3940         (Incremental_inputs::inputs_section_): New data member.
3941         (Incremental_inputs::symtab_section_): New data member.
3942         (Incremental_inputs::relocs_section_): New data member.
3943         (Incremental_inputs::reloc_count_): New data member.
3944         (Incremental_inputs_reader): New class.
3945         (Incremental_symtab_reader): New class.
3946         (Incremental_relocs_reader): New class.
3947         * layout.cc (Layout::finalize): Move finalization of incremental info
3948         and creation of incremental info sections to follow finalization of
3949         symbol table.  Set offsets for postprocessing sections.
3950         (Layout::create_incremental_info_sections): Call
3951         Incremental_inputs::create_data_sections.  Add incremental symtab
3952         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3953         sections to layout after input sections.
3954         * layout.h (struct Timespec): Forward declaration.
3955         (Layout::incremental_inputs): Add const.
3956         (Layout::create_incremental_info_sections): Add parameter.
3957         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3958         * object.cc: Include incremental.h.
3959         (Relobj::finalize_incremental_relocs): New function.
3960         (Sized_relobj::do_layout): Record input sections in incremental info.
3961         * object.h (Object::output_section): New function.
3962         (Object::output_section_offset): Moved from Relobj.
3963         (Object::get_incremental_reloc_base): New function.
3964         (Object::get_incremental_reloc_count): New function.
3965         (Object::do_output_section): New function.
3966         (Object::do_output_section_offset): Moved from Relobj.
3967         (Object::do_get_incremental_reloc_base): New function.
3968         (Object::do_get_incremental_reloc_count): New function.
3969         (Object::Object): Initialize new data members.
3970         (Relobj::output_section): Renamed do_output_section and moved to
3971         protected.
3972         (Relobj::output_section_offset): Moved to Object.
3973         (Relobj::do_get_incremental_reloc_base): New function.
3974         (Relobj::do_get_incremental_reloc_count): New function.
3975         (Relobj::allocate_incremental_reloc_counts): New function.
3976         (Relobj::count_incremental_reloc): New function.
3977         (Relobj::finalize_incremental_relocs): New function.
3978         (Relobj::next_incremental_reloc_index): New function.
3979         (Relobj::reloc_counts_): New data member.
3980         (Relobj::reloc_bases_): New data member.
3981         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3982         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3983         (Sized_relobj::incremental_relocs_scan): New function.
3984         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3985         (Sized_relobj::incremental_relocs_write): New function.
3986         (Sized_relobj::incremental_relocs_write_reltype): New function.
3987         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3988         incremental link.
3989         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3990         archives and object files elsewhere.
3991         (Add_symbols::run): Report object files here.
3992         (Finish_group::run): Report end of archive at end of group.
3993         * reloc.cc: Include layout.h, incremental.h.
3994         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3995         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3996         (Sized_relobj::incremental_relocs_scan): New function.
3997         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3998         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3999         (Sized_relobj::incremental_relocs_write): New function.
4000         (Sized_relobj::incremental_relocs_write_reltype): New function.
4001         * script.cc (read_input_script): Rewrite test for incremental link.
4002         Change call to Incremental_inputs::report_script.
4003         * symtab.h (Symbol_table::first_global_index): New function.
4004         (Symbol_table::output_count): New function.
4005
4006 2010-08-12  Doug Kwan  <dougkwan@google.com>
4007
4008         * arm.cc (Target_arm::merge_object_attributes): Check command line
4009         options --no-wchar-size-warning and --no-enum-size-warning.
4010         * options.h (General_options): Add ld-compatible options
4011         --no-enum-size-warning and --no-wchar-size-warning.
4012
4013 2010-08-04  Ian Lance Taylor  <iant@google.com>
4014
4015         * x86_64.cc (Target_x86_64::Scan::local): Use
4016         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4017         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4018         (Target_x86_64::Scan::global): Likewise.
4019         (Target_x86_64::Relocate::relocate): Likewise.
4020         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4021         Likewise.
4022
4023 2010-08-03  Cary Coutant  <ccoutant@google.com>
4024
4025         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4026         to reserve space in merged_strings vector. Keep total input size
4027         for stats.
4028         (Output_merge_string::do_print_merge_stats): Print total input size.
4029         * merge.h (Output_merge_string): Add input_size_ field.
4030         * stringpool.cc (Stringpool_template::string_length): Move
4031         implementations out of Stringpool_template class and place in
4032         stringpool.h.
4033         * stringpool.h (string_length): Move out of Stringpool_template.
4034
4035 2010-08-03  Ian Lance Taylor  <iant@google.com>
4036
4037         PR 11712
4038         * layout.cc (relaxation_loop_body): If address of load segment is
4039         set, adjust address to include headers if possible.
4040
4041 2010-08-03  Ian Lance Taylor  <iant@google.com>
4042
4043         * version.cc (version_string): Bump to 1.10.
4044
4045 2010-08-03  Ian Lance Taylor  <iant@google.com>
4046
4047         PR 11805
4048         * layout.h (enum Output_section_order): Define.
4049         (class Layout): Update declarations.
4050         * layout.cc (Layout::get_output_section): Add order parameter.
4051         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4052         is_first_non_relro parameters.  Change all callers.
4053         (Layout::choose_output_section): Likewise.
4054         (Layout::add_output_section_data): Likewise.
4055         (Layout::make_output_section): Likewise.  Set order.
4056         (Layout::default_section_order): New function.
4057         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4058         * output.cc (Output_section::Output_section): Initialize order_.
4059         Don't initialize deleted fields.
4060         (Output_segment::Output_segment): Don't initialize deleted
4061         fields.
4062         (Output_segment::add_output_section_to_load): New function
4063         replacing add_output_section.  Change all callers to call this or
4064         add_output_section_to_nonload.
4065         (Output_segment::add_output_section_to_nonload): New function.
4066         (Output_segment::remove_output_section): Rewrite.
4067         (Output_segment::add_initial_output_data): Likewise.
4068         (Output_segment::has_any_data_sections): Likewise.
4069         (Output_segment::is_first_section_relro): Likewise.
4070         (Output_segment::maximum_alignment): Likewise.
4071         (Output_segment::has_dynamic_reloc): New function replacing
4072         dynamic_reloc_count.  Change all callers.
4073         (Output_segment::has_dynamic_reloc_list): New function replacing
4074         dynamic_reloc_count_list.  Change all callers.
4075         (Output_segment::set_section_addresses): Rewrite.
4076         (Output_segment::set_offset): Rewrite.
4077         (Output_segment::find_first_and_last_list): Remove.
4078         (Output_segment::set_tls_offsets): Rewrite.
4079         (Output_segment::first_section_load_address): Likewise.
4080         (Output_segment::output_section_count): Likewise.
4081         (Output_segment::section_with_lowest_load_address): Likewise.
4082         (Output_segment::write_section_headers): Likewise.
4083         (Output_segment::print_sections_to_map): Likewise.
4084         * output.h (class Output_data): Remove dynamic_reloc_count_
4085         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4086         (Output_data::add_dynamic_reloc): Rewrite.
4087         (Output_data::has_dynamic_reloc): New function.
4088         (Output_data::dynamic_reloc_count): Remove.
4089         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4090         is_last_relro_, is_first_non_relro_, is_interp_,
4091         is_dynamic_linker_section_ fields.  Add order and set_order
4092         functions.  Remove is_relro_local, set_is_relro_local,
4093         is_last_relro, set_is_last_relro, is_first_non_relro,
4094         set_is_first_non_relro functions, is_interp, set_is_interp,
4095         is_dynamic_linker_section, and set_is_dynamic_linker_section
4096         functions.
4097         (class Output_segment): Change Output_data_list from std::list to
4098         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4099         output_bss_ fields.  Update declarations.
4100
4101 2010-08-02  Ian Lance Taylor  <iant@google.com>
4102
4103         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4104         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4105         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4106
4107 2010-08-02  Ian Lance Taylor  <iant@google.com>
4108
4109         PR 11855
4110         * script.cc (Script_options::Script_options): Initialize
4111         symbol_definitions_ and symbol_references_.
4112         (Script_options::add_symbol_assignment): Update
4113         symbol_definitions_ and symbol_references_.
4114         (Script_options::add_symbol_reference): New function.
4115         (script_symbol): New function.
4116         * script.h (class Script_options): Add symbol_definitions_ and
4117         symbol_references_ fields.
4118         (Script_options::referenced_const_iterator): New type.
4119         (Script_options::referenced_begin): New function.
4120         (Script_options::referenced_end): New function.
4121         (Script_options::is_referenced): New function.
4122         (Script_options::any_unreferenced): New function.
4123         * script-c.h (script_symbol): Declare.
4124         * yyscript.y (exp): Call script_symbol.
4125         * symtab.cc: Include "script.h".
4126         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4127         Change all callers.  Check symbols referenced by scripts.
4128         (Symbol_table::add_undefined_symbols_from_command_line): Add
4129         layout parameter.  Change all callers.
4130         (Symbol_table::do_add_undefined_symbols_from_command_line):
4131         Likewise.  Break out loop body.  Check symbols referenced by
4132         scripts.
4133         (Symbol_table::add_undefined_symbol_from_command_line): New
4134         function broken out of
4135         do_add_undefined_symbols_from_command_line.
4136         * symtab.h (class Symbol_table): Update declarations.
4137         * archive.cc: Include "layout.h".
4138         (Archive::should_include_member): Add layout parameter.  Change
4139         all callers.  Check for symbol mentioned in expression.
4140         * archive.h (class Archive): Update declaration.
4141         * object.cc (Sized_relobj::do_should_include_member): Add layout
4142         parameter.
4143         * object.h (Object::should_include_member): Add layout parameter.
4144         Change all callers.
4145         (Object::do_should_include_member): Add layout parameter.
4146         (class Sized_relobj): Update declaration.
4147         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4148         parameter.
4149         * dynobj.h (class Sized_dynobj): Update declaration.
4150         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4151         layout parameter.
4152         * plugin.h (class Sized_pluginobj): Update declaration.
4153
4154 2010-08-02  Ian Lance Taylor  <iant@google.com>
4155
4156         PR 11866
4157         * output.cc (Output_segment::set_offset): Search for the first and
4158         last sections rather than assuming that the list is in order.
4159         (Output_segment::find_first_and_last_list): New function.
4160         * output.h (class Output_segment): Update declarations.
4161         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4162         (relro_strip_test_SOURCES): New variable.
4163         (relro_strip_test_DEPENDENCIES): New variable.
4164         (relro_strip_test_LDFLAGS): New variable.
4165         (relro_strip_test_LDADD): New variable.
4166         (relro_strip_test.so): New target.
4167
4168 2010-08-02  Ian Lance Taylor  <iant@google.com>
4169
4170         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4171         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4172         (Target_i386::got_tlsdesc_section): New function.
4173         (Target_i386::got_section): Create space for GOT entries for
4174         TLSDESC relocations.
4175         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4176         R_386_TLS_GOTDESC.
4177         (Target_i386::Scan::global): Likewise.
4178         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4179         using TLSDESC GOT.
4180         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4181         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4182         (Target_x86_64::got_tlsdesc_section): New function.
4183         (Target_x86_64::got_section): Create space for GOT entries for
4184         TLSDESC relocations.
4185         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4186         R_386_TLS_GOTDESC.
4187         (Target_x86_64::Scan::global): Likewise.
4188         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4189         using TLSDESC GOT.
4190
4191 2010-08-02  Ian Lance Taylor  <iant@google.com>
4192
4193         * testsuite/final_layout.sh: Use dc to convert from hex to
4194         decimal.
4195
4196 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4197
4198         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4199         paramter to the call to gold::gc_process_relocs.
4200         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4201         paramter to the call to gold::gc_process_relocs.
4202         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4203         parameter to the call to gold::gc_process_relocs.
4204         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4205         template parameter to the call to gold::gc_process_relocs.
4206         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4207         paramter to the call to gold::gc_process_relocs.
4208         * gc.h (get_embedded_addend_size): New function.
4209         (gc_process_relocs): Save the size of the reloc for use by ICF.
4210         * icf.cc (get_section_contents): Get the addend from the text section
4211         for SHT_REL relocation sections.
4212         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4213         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4214         * int_encoding.h (read_from_pointer): New overloaded function.
4215         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4216         * testsuite/icf_sht_rel_addend_test.sh: New file.
4217         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4218         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4219
4220 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4221
4222         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4223         * Makefile.in: Regenerate.
4224         * testsuite/Makefile.in: Regenerate.
4225
4226 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4227
4228         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4229         * gold/testsuite/debug_msg.cc: Likewise.
4230         * gold/testsuite/odr_violation1.cc
4231         * gold/testsuite/odr_violation2.cc
4232
4233 2010-07-21  Cary Coutant  <ccoutant@google.com>
4234
4235         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4236         string, and length fields.
4237         (Output_merge_string::Merged_strings_list): New type.
4238         (Output_merge_string::Merged_strings_lists): New typedef.
4239         (Output_merge_string): Replace merged_strings_ with
4240         merged_strings_lists_.
4241         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4242         Merged_strings_list per input object and section.  Don't store pointer
4243         to the string.  Don't store length with each merged string entry.
4244         (Output_merge_string::finalize_merged_data): Loop over list of merged
4245         strings lists.  Recompute length of each merged string.
4246
4247 2010-07-15  Cary Coutant  <ccoutant@google.com>
4248
4249         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4250         here.
4251
4252 2010-07-14  Ian Lance Taylor  <iant@google.com>
4253
4254         * descriptors.cc (Descriptors::open): Report correct name in error
4255         message.
4256
4257 2010-07-13  Doug Kwan  <dougkwan@google.com>
4258
4259         * arm.cc (Arm_input_section::Arm_input_section): For a
4260         SHT_ARM_EXIDX section, always keeps the input sections.
4261         (Arm_input_section::set_exidx_section_link): New method.
4262         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4263         has_errors_ to false.
4264         (Arm_exidx_input_section::has_errors,
4265         Arm_exidx_input_section::set_has_errors): New methods.
4266         (Arm_exidx_input_section::has_errors_): New data member.
4267         (Arm_relobj::get_exidx_shndx_list): New method.
4268         (Arm_output_section::append_text_sections_to_list): Do not skip
4269         section without SHF_EXECINSTR.
4270         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4271         errors.
4272         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4273         section header.  Make error messages more verbose.  Check for
4274         a non-executable section linked to an EXIDX section.
4275         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4276         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4277         check that there is no deferred EXIDX section if we exit early.
4278         Instead of not making an EXIDX section in case of an error, make one
4279         and set the has_errors flag of it.
4280         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4281         in a relocatable link.
4282         (Target_arm::do_relax): Look for the EXIDX output section instead of
4283         assuming that it is called .ARM.exidx.
4284         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4285         section list.  Do not check for SHF_EXECINSTR section flags but
4286         skip any input section with errors.
4287         * output.cc (Output_section::Output_section): Initialize
4288         always_keeps_input_sections_ to false.
4289         (Output_section::add_input_section): Check for
4290         always_keeps_input_sections_.
4291         *  output.h (Output_section::always_keeps_input_sections,
4292         Output_section::set_always_keeps_input_sections): New methods.
4293         (Output_section::always_keeps_input_sections): New data member.
4294
4295 2010-07-13  Rafael Espindola  <espindola@google.com>
4296
4297         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4298         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4299
4300 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4301             Ian Lance Taylor  <iant@google.com>
4302
4303         * output.h (Output_section_lookup_maps::add_merge_section):
4304         Correct check of whether value was inserted.
4305         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4306         (Output_section_lookup_maps::add_relaxed_input_section):
4307         Likewise.
4308         * arm.cc (Target_arm::got_section): Remove used local os.
4309         * i386.cc (Target_i386::got_section): Likewise.
4310         * x86_64.cc (Target_x86_64::got_section): Likewise.
4311         * sparc.cc (Target_sparc::got_section): Likewise.
4312         (Target_sparc::relocate): Remove unused local have_got_offset.
4313         * powerpc.cc (Target_powerpc::relocate): Likewise.
4314
4315 2010-07-13  Ian Lance Taylor  <iant@google.com>
4316
4317         * compressed_output.cc (zlib_decompress): Fix signature in
4318         !HAVE_ZLIB_H case.
4319
4320         * archive.cc (Archive::include_member): Unlock an external member
4321         of a thin archive.  Don't bother to delete an object we know is
4322         NULL.
4323
4324 2010-07-12  Cary Coutant  <ccoutant@google.com>
4325
4326         * compressed_output.cc (zlib_decompress): New function.
4327         (get_uncompressed_size): New function.
4328         (decompress_input_section): New function.
4329         * compressed_output.h (get_uncompressed_size): New function.
4330         (decompress_input_section): New function.
4331         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4332         Handle compressed debug sections.
4333         * layout.cc (is_compressed_debug_section): New function.
4334         (Layout::output_section_name): Map compressed section names to
4335         canonical names.
4336         * layout.h (is_compressed_debug_section): New function.
4337         (is_debug_info_section): Recognize compressed debug sections.
4338         * merge.cc: Include compressed_output.h.
4339         (Output_merge_data::do_add_input_section): Handle compressed
4340         debug sections.
4341         (Output_merge_string::do_add_input_section): Handle compressed
4342         debug sections.
4343         * object.cc: Include compressed_output.h.
4344         (Sized_relobj::Sized_relobj): Initialize new data members.
4345         (build_compressed_section_map): New function.
4346         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4347         * object.h (Object::section_is_compressed): New method.
4348         (Object::do_section_is_compressed): New method.
4349         (Sized_relobj::Compressed_section_map): New type.
4350         (Sized_relobj::do_section_is_compressed): New method.
4351         (Sized_relobj::compressed_sections_): New data member.
4352         * output.cc (Output_section::add_input_section): Handle compressed
4353         debug sections.
4354         * reloc.cc: Include compressed_output.h.
4355         (Sized_relobj::write_sections): Handle compressed debug sections.
4356
4357 2010-07-08  Cary Coutant  <ccoutant@google.com>
4358
4359         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4360         weak when resolving to a dynamic def.
4361         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4362         for weak undef/dynamic def cases. Adjust callers.
4363         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4364         undef_binding_weak_.
4365         (Symbol_table::sized_write_globals): Adjust symbol binding.
4366         (Symbol_table::sized_write_symbol): Add binding parameter.
4367         * symtab.h (Symbol::set_undef_binding): New method.
4368         (Symbol::is_undef_binding_weak): New method.
4369         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4370         (Symbol_table::should_override): Add new parameter.
4371         (Symbol_table::sized_write_symbol): Add new parameter.
4372
4373         * testsuite/weak_undef_file1.cc: Add new test case.
4374         * testsuite/weak_undef_file2.cc: Fix header comment.
4375         * testsuite/weak_undef_test.cc: Add new test case.
4376
4377 2010-06-29  Doug Kwan  <dougkwan@google.com>
4378
4379         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4380         Initialize USE_SYMBOL_.
4381         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4382         definition.
4383         (Arm_reloc_property::uses_symbol_): New data member declaration.
4384         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4385         uses symbol value and symbol is undefined but not weakly undefined.
4386
4387 2010-06-28  Rafael Espindola  <espindola@google.com>
4388
4389         * plugin.cc (Plugin::load): Use dlerror.
4390
4391 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4392
4393         * symtab.cc (detect_odr_violations): When reporting an ODR
4394         violation, report an object where the symbol is defined.
4395
4396 2010-06-25  Doug Kwan  <dougkwan@google.com>
4397
4398         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4399         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4400         definition.
4401         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4402         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4403         target hook to detect function points.
4404         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4405         * icf.h (Icf::check_section_for_function_pointers): Change type of
4406         parameter SECTION_NAME to const reference to std::string.  Use
4407         target hook to determine if section may have unsafe pointers.
4408         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4409         method definition.
4410
4411 2010-06-21  Rafael Espindola  <espindola@google.com>
4412
4413         * fileread.cc (Input_file::find_fie): New
4414         (Input_file::open): Use Input_file::find_fie.
4415         * fileread.h (Input_file::find_fie): New
4416         * plugin.cc (set_extra_library_path): New.
4417         (Plugin::load): Add set_extra_library_path to the transfer vector.
4418         (Plugin_manager::set_extra_library_path): New.
4419         (Plugin_manager::add_input_file): Use the extra search path if set.
4420         (set_extra_library_path(): New.
4421         * plugin.h (Plugin_manager): Add set_extra_library_path and
4422         extra_search_path_.
4423
4424 2010-06-19  Cary Coutant  <ccoutant@google.com>
4425
4426         * layout.cc (gdb_sections): Add .debug_types.
4427         (lines_only_debug_sections): Likewise.
4428
4429 2010-06-18  Rafael Espindola  <espindola@google.com>
4430
4431         * plugin.cc (add_input_file,add_input_library)
4432         (Plugin_manager::add_input_file): Make filename arguments const.
4433         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4434         const.
4435
4436 2010-06-16  Doug Kwan  <dougkwan@google.com>
4437
4438         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4439         .ARM.attributes section if we have not merged any input
4440         attributes sections.
4441
4442 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4443
4444         * arm.cc: Allow combining objects with no EABI version
4445         information.
4446
4447 2010-06-15  Rafael Espindola  <espindola@google.com>
4448
4449         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4450
4451 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4452
4453         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4454         (struct iovec): Correct !HAVE_READV definition.
4455
4456 2010-06-10  Cary Coutant  <ccoutant@google.com>
4457
4458         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4459         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4460         reloc sections.
4461         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4462
4463         PR 11683
4464         * symtab.h (Symbol::is_placeholder): New member function.
4465         * target-reloc.h (relocate_section): Check for placeholder symbols.
4466
4467         * testsuite/Makefile.am (plugin_test_8): New test.
4468         (plugin_test_9): New test.
4469         * testsuite/Makefile.in: Regenerate.
4470
4471 2010-06-09  Nick Clifton  <nickc@redhat.com>
4472
4473         * yyscript.y (input_list_element): Allow strings prefixed with
4474         the '-' character.  Treat these as libraries.
4475         * script.cc (script_add_library): New function.  Adds a library
4476         specified by "-l<name>" found in an input script.
4477         * script-c.h: Add prototype for script_add_library.
4478
4479 2010-06-07  Doug Kwan  <dougkwan@google.com>
4480
4481         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4482         Restrict stub-group size to be within long conditional branch
4483         range when working around cortex-A8 erratum.
4484
4485 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4486
4487         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4488         #ifdef typo.
4489
4490 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4491
4492         PR gold/11658
4493         * output.cc
4494         (Output_section::Input_section_sort_entry::compare_section_ordering):
4495         Change to return non-zero correctly.
4496         (Output_section::Input_section_sort_section_order_index_compare
4497         ::operator()): Change to fix ambiguity in comparisons.
4498
4499 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4500
4501         * gold.h (is_wildcard_string): New function.
4502         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4503         (Layout::layout_eh_frame): Ditto.
4504         (Layout::find_section_order_index): New method.
4505         (Layout::read_layout_from_file): New method.
4506         * layout.h (Layout::find_section_order_index): New method.
4507         (Layout::read_layout_from_file): New method.
4508         (Layout::input_section_position_): New private member.
4509         (Layout::input_section_glob_): New private member.
4510         * main.cc (main): Call read_layout_from_file here.
4511         * options.h (--section-ordering-file): New option.
4512         * output.cc (Output_section::input_section_order_specified_): New
4513         member.
4514         (Output_section::Output_section): Initialize new member.
4515         (Output_section::add_input_section): Add new parameter.
4516         Keep input sections when --section-ordering-file is used.
4517         (Output_section::set_final_data_size): Sort input sections when
4518         section ordering file is specified.
4519         (Output_section::Input_section_sort_entry): Add new parameter.
4520         Check sorting type.
4521         (Output_section::Input_section_sort_entry::compare_section_ordering):
4522         New method.
4523         (Output_section::Input_section_sort_compare::operator()): Change to
4524         consider section_order_index.
4525         (Output_section::Input_section_sort_init_fini_compare::operator()):
4526         Change to consider section_order_index.
4527         (Output_section::Input_section_sort_section_order_index_compare
4528         ::operator()): New method.
4529         (Output_section::sort_attached_input_sections): Change to sort
4530         according to section order when specified.
4531         (Output_section::add_input_section<32, true>): Add new parameter.
4532         (Output_section::add_input_section<64, true>): Add new parameter.
4533         (Output_section::add_input_section<32, false>): Add new parameter.
4534         (Output_section::add_input_section<64, false>): Add new parameter.
4535         * output.h (Output_section::add_input_section): Add new parameter.
4536         (Output_section::input_section_order_specified): New
4537         method.
4538         (Output_section::set_input_section_order_specified): New method.
4539         (Input_section::Input_section): Initialize section_order_index_.
4540         (Input_section::section_order_index): New method.
4541         (Input_section::set_section_order_index): New method.
4542         (Input_section::section_order_index_): New member.
4543         (Input_section::Input_section_sort_section_order_index_compare): New
4544         struct.
4545         (Output_section::input_section_order_specified_): New member.
4546         * script-sections.cc (is_wildcard_string): Delete and move modified
4547         method to gold.h.
4548         (Output_section_element_input::Output_section_element_input): Modify
4549         call to is_wildcard_string.
4550         (Output_section_element_input::Input_section_pattern
4551         ::Input_section_pattern): Ditto.
4552         (Output_section_element_input::Output_section_element_input): Ditto.
4553         * testsuite/Makefile.am (final_layout): New test case.
4554         * testsuite/Makefile.in: Regenerate.
4555         * testsuite/final_layout.cc: New file.
4556         * testsuite/final_layout.sh: New file.
4557
4558 2010-06-01  Rafael Espindola  <espindola@google.com>
4559
4560         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4561
4562 2010-06-01  Rafael Espindola  <espindola@google.com>
4563
4564         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4565         visibility of symbols.
4566
4567 2010-05-27  Doug Kwan  <dougkwan@google.com>
4568
4569         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4570         from start of output section instead of address for a local symbol
4571         in a merged or relaxed section when doing a relocatable link.
4572
4573 2010-05-26  Rafael Espindola  <espindola@google.com>
4574
4575        PR 11604
4576         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4577         adding sections the garbage collector removed.
4578         * gold/testsuite/Makefile.am: Add test.
4579         * gold/testsuite/Makefile.in: Regenerate.
4580         * gold/testsuite/plugin_test_7.sh: New.
4581         * gold/testsuite/plugin_test_7_1.c: New.
4582         * gold/testsuite/plugin_test_7_2.c: New.
4583
4584 2010-05-26  Rafael Espindola  <espindola@google.com>
4585
4586         * script-sections.cc (Output_section_definition::set_section_addresses):
4587         Check for --section-start.
4588
4589 2010-05-26  Doug Kwan  <dougkwan@google.com>
4590
4591         * arm.cc (Arm_scan_relocatable_relocs): New class.
4592         (Target_arm::relocate_special_relocatable): New method.
4593         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4594         (Arm_relocate_functions::thumb_branch_common): Same.
4595         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4596         instead of Default_scan_relocatable_relocs.
4597         * target-reloc.h (relocate_for_relocatable): Let target handle
4598         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4599         * target.h (Sized_target::relocate_special_relocatable): New method.
4600
4601 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4602
4603         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4604
4605 2010-05-23  Doug Kwan  <dougkwan@google.com>
4606
4607         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4608         instead of a cast.
4609         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4610         with a direct branch, not a conditional branch, to a stub.
4611         * merge.cc (Output_merge_base::record_input_section): New method
4612         defintion.
4613         (Output_merge_data::do_add_input_section): Record input section if
4614         keeps-input-sections flag is set.
4615         (Output_merge_string::do_add_input_section): Ditto.
4616         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4617         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4618         INPUT_SECTIONS_.
4619         (Output_merge_base::keeps_input_sections,
4620         Output_merge_base::set_keeps_input_sections,
4621         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4622         method definitions.
4623         (Output_merge_base::Input_sections): New type declaration.
4624         (Output_merge_base::input_sections_begin,
4625         Output_merge_base::input_sections_end,
4626         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4627         (Output_merge_base::bool keeps_input_sections_,
4628         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4629         Output_merge_base::input_sections_): New data members.
4630         (Output_merge_data::do_set_keeps_input_sections): New method
4631         defintion.
4632         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4633         * output.cc (Output_section::Input_section::relobj): Move method
4634         defintion from class declaration to here and handle merge sections.
4635         (Output_section::Input_section::shndx): Ditto.
4636         (Output_section::Output_section): Remove initializations of removed
4637         data members and initialize new data member LOOKUP_MAPS_.
4638         (Output_section::add_input_section): Set keeps-input-sections flag
4639         for a newly created merge output section as appropriate.  Adjust code
4640         to use Output_section_lookup_maps class.
4641         (Output_section::add_relaxed_input_section): Adjst code for lookup
4642         maps code refactoring.
4643         (Output_section::add_merge_input_section): Add a new parameter
4644         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4645         class.  If adding input section to a newly created merge output
4646         section fails, remove the new merge section.
4647         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4648         Adjust code for use of the Output_section_lookup_maps class.
4649         (Output_section::find_merge_section): Ditto.
4650         (Output_section::build_lookup_maps): New method defintion.
4651         (Output_section::find_relaxed_input_section): Adjust code to use
4652         Output_section_lookup_maps class.
4653         (Output_section::get_input_sections): Export merge sections.  Adjust
4654         code to use Output_section_lookup_maps class.
4655         (Output_section:::add_script_input_section): Adjust code to use
4656         Output_section_lookup_maps class.  Update lookup maps for merge
4657         sections also.
4658         (Output_section::discard_states): Use Output_section_lookup_maps.
4659         (Output_section::restore_states): Same.
4660         * output.h (Merge_section_properties): Move class defintion out of
4661         Output_section.
4662         (Output_section_lookup_maps): New class.
4663         (Output_section::Input_section::is_merge_section): New method
4664         defintion.
4665         (Output_section::Input_section::relobj): Move defintion out of class
4666         defintion.  Declare method only.
4667         (Output_section::Input_section::shndx): Ditto.
4668         (Output_section::Input_section::output_merge_base): New method defintion.
4669         (Output_section::Input_section::u2_.pomb): New union field.
4670         (Output_section::Merge_section_by_properties_map,
4671         Output_section::Output_section_data_by_input_section_map,
4672         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4673         Remove types.
4674         (Output_section::add_merge_input_section): Add new parameter
4675         KEEPS_INPUT_SECTIONS.
4676         (Output_section::build_lookup_maps): New method declaration.
4677         (Output_section::merge_section_map_,
4678         Output_section::merge_section_by_properties_map_,
4679         Output_section::relaxed_input_section_map_,
4680         Output_section::is_relaxed_input_section_map_valid_): Remove data
4681         members.
4682         (Output_section::lookup_maps_): New data member.
4683
4684 2010-05-21  Doug Kwan  <dougkwan@google.com>
4685
4686         PR gold/11619
4687         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4688         avoid a compilation error.
4689
4690 2010-05-19  Rafael Espindola  <espindola@google.com>
4691
4692         * script-sections.cc (Output_section_definition::allocate_to_segment):
4693         Update the phdrs_list even when the output section is NULL.
4694         * testsuite/Makefile.am: Add test.
4695         * testsuite/Makefile.in: Regenerate.
4696         * testsuite/script_test_9.cc: New.
4697         * testsuite/script_test_9.sh: New.
4698         * testsuite/script_test_9.t: New.
4699
4700 2010-05-19  Doug Kwan  <dougkwan@google.com>
4701
4702         * arm.cc (Arm_input_section::original_size): New method.
4703         (Arm_input_section::do_addralign): Add a cast.
4704         (Arm_input_section::do_output_offset): Remove static cast.
4705         (Arm_input_section::original_addralign,
4706          Arm_input_section::original_size_): Change type to uint32_t.
4707         (Arm_input_section::init): Add safe casts for section alignment
4708         and size.
4709         (Arm_input_section::set_final_data_size): Do not set address and
4710         offset of stub table.
4711         (Arm_output_section::fix_exidx_coverage): Change use of of
4712         Output_section::Simple_input_section to that of
4713         Output_section::Input_section.
4714         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4715         except for the first pass.
4716         * output.cc (Output_section::get_input_sections): Change type of
4717         input_sections to std::list<Input_section>.
4718         (Output_section::add_script_input_section): Rename from
4719         Output_section::add_simple_input_section.  Change type of SIS
4720         parameter from Simple_input_section to Input_section.
4721         * output.h (Output_section::Simple_input_section): Remove class.
4722         (Output_section::Input_section): Change class visibility to public.
4723         (Output_section::Input_section::addralign): Use stored alignments
4724         for special input sections if set.
4725         (Output_section::Input_section::set_addralign): New method.
4726         (Output_section::get_input_sections): Change parameter type from
4727         list of Simple_input_section to list of Input_section.
4728         (Output_section::add_script_input_section): Rename from
4729         Output_section::add_simple_input_section. Change first parameter's
4730         type from Simple_input_section to Input_section and remove the
4731         second and third parameters.
4732         * script-sections.cc (Input_section::Input_section_list): Change
4733         type to list of Output_section::Input_section/
4734         (Input_section_info::Input_section_info): Change parameter type of
4735         INPUT_SECTION to Output_section::Input_section.
4736         (Input_section_info::input_section): Change return type.
4737         (Input_section_info::input_section_): Change type to
4738         Output_section::Input_section.
4739         (Output_section_element_input::set_section_addresses): Adjust code
4740         to use Output_section::Input_section instead of
4741         Output_section::Simple_input_section.  Adjust code for renaming
4742         of Output_section::add_simple_input_section.
4743         (Orphan_output_section::set_section_addresses): Ditto.
4744
4745 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4746
4747         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4748         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4749
4750 2010-05-18  Rafael Espindola  <espindola@google.com>
4751
4752         * options.cc (General_options::finalize): Handle -nostdlib.
4753         * options.h (nostdlib): New option.
4754         * script.cc (script_add_search_dir): Handle -nostdlib.
4755
4756 2010-05-12  Doug Kwan  <dougkwan@google.com>
4757
4758         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4759         attributes section only if there no attributes section after merging.
4760         (Target_arm::merge_object_attributes): Move value of
4761         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4762         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4763         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4764         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4765         and arm_attr_merge_7.stdout.
4766         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4767         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4768         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4769         arm_attr_merge_7b.o): New rules.
4770         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4771         arm_attr_merge_7
4772         * testsuite/Makefile.in: Regenerate.
4773         * testsuite/arm_attr_merge.sh: New file.
4774         * testsuite/arm_attr_merge_[67][ab].s: Same.
4775
4776 2010-05-05  Nick Clifton  <nickc@redhat.com>
4777
4778         * po/es.po: Updated Spanish translation.
4779
4780 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4781
4782         * Makefile.am (install-exec-local): Properly install gold as
4783         default cross linker.
4784         * Makefile.in: Regenerated.
4785
4786 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4787             Nick Clifton  <nickc@redhat.com>
4788
4789         * configure.ac (install_as_default): Define and set to false
4790         unless --enable-gold or --enable-gold=both/gold has been
4791         specified.
4792         * configure: Regenerate.
4793
4794         * Makefile.am (install-exec-local): Install the executable as
4795         'ld.gold'.  If install_as_default is true then also install it as
4796         'ld'.
4797         * Makefile.in: Regenerated.
4798
4799 2010-04-24  Ian Lance Taylor  <iant@google.com>
4800
4801         * layout.cc (Layout::layout_reloc): In relocatable link don't
4802         combine reloc sections for grouped sections.
4803
4804 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4805
4806         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4807         sections that are not ordinary to icf.
4808         * icf.cc (get_section_contents): Handle relocation pointing to section
4809         with no object or shndx information.
4810         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4811         * testsuite/Makefile.in: Regenerate.
4812         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4813         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4814
4815 2010-04-22  Ian Lance Taylor  <iant@google.com>
4816
4817         * expression.cc (Expression::Expression_eval_info): Add
4818         result_alignment_pointer field.
4819         (Expression::eval_with_dot): Add result_alignment_pointer
4820         parameter.  Change all callers.
4821         (Expression::eval_maybe_dot): Likewise.
4822         (class Binary_expression): Add alignment_pointer parameter to
4823         left_value and right_value.  Change all callers.
4824         (BINARY_EXPRESSION): Set result alignment.
4825         (class Trinary_expression): Add alignment_pointer parameter to
4826         arg2_value and arg3_value.  Change all callers.
4827         (Trinary_cond::value): Set result alignment.
4828         (Max_expression::value, Min_expression::value): Likewise.
4829         (Align_expression::value): Likewise.
4830         * script-sections.cc (class Sections_element): Add dot_alignment
4831         parameter to set_section_addresses virtual function.  Update
4832         instantiations.
4833         (class Output_section_element): Likewise.
4834         (Script_sections::create_segments): Add dot_alignment parameter.
4835         Change all callers.
4836         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4837         (Script_sections::set_phdrs_clause_addresses): Likewise.
4838         * script-sections.h: Update declarations.
4839         * script.h: Update declarations.
4840         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4841         min_p_align.
4842         * testsuite/script_test_3.t: Set large alignment.
4843         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4844         segment has expected alignment.
4845
4846 2010-04-22  Nick Clifton  <nickc@redhat.com>
4847
4848         * po/gold.pot: Updated by the Translation project.
4849         * po/vi.po: Updated Vietnamese translation.
4850
4851 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4852
4853         * testsuite/Makefile.am (check_PROGRAMS): Add
4854         icf_virtual_function_folding_test.
4855         * testsuite/Makefile.in: Regenerated.
4856
4857 2010-04-15  Andrew Haley  <aph@redhat.com>
4858
4859         * options.h (merge_exidx_entries): New option.
4860         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4861         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4862         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4863         (Target_arm::merge_exidx_entries): New function.
4864         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4865         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4866         to Arm_exidx_fixup constructor.
4867         Add new arg, merge_exidx_entries.
4868         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4869         Arm_output_section::fix_exidx_coverage.
4870
4871 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4872
4873         * icf.cc (get_section_contents): Check for preemptible functions.
4874         Ignore addend when appropriate.
4875         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4876         section folded.
4877         (add_from_relobj): Check for section folded.
4878         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4879         * symtab.h (should_add_dynsym_entry): Add new parameter.
4880         * target-reloc.h (scan_relocs): Check for section folded.
4881         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4882         Check reloc types for function pointers in shared objects.
4883         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4884         case.
4885         (icf_preemptible_functions_test): New test case.
4886         (icf_string_merge_test): New test case.
4887         * testsuite.Makefile.in: Regenerate.
4888         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4889         bar_glob.  Refactor code.
4890         * testsuite/icf_preemptible_functions_test.cc: New file.
4891         * testsuite/icf_preemptible_functions_test.sh: New file.
4892         * testsuite/icf_string_merge_test.cc: New file.
4893         * testsuite/icf_string_merge_test.sh: New file.
4894         * testsuite/icf_virtual_function_folding_test.cc: New file.
4895         * testsuite/icf_virtual_function_folding_test.sh: New file.
4896
4897 2010-04-14  Doug Kwan  <dougkwan@google.com>
4898
4899         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4900         for local symbol recounting if we remove a section due to ICF.
4901         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4902         there are no regular objects in input.
4903
4904 2010-04-13  Doug Kwan  <dougkwan@google.com>
4905
4906         * arm.cc (Arm_input_section::set_final_data_size): Compute
4907         accurate final data size instead of using current data size.
4908
4909 2010-04-09  Doug Kwan  <dougkwan@google.com>
4910
4911         * layout.cc (Layout::choose_output_section): Handle script section
4912         types.
4913         (Layout::make_output_section_for_script): Add section type parameter.
4914         Handle script section types.
4915         * layout.h (Layout::make_output_section_for_script): Add section
4916         type parameter.
4917         * output.cc (Output_section::Output_section): Initialize data member
4918         is_noload_.
4919         (Output_section::do_reset_address_and_file_offset): Do not set address
4920         to 0 if section is a NOLOAD section.
4921         * output.h (Output_section::is_noload): New method.
4922         (Output_section::set_is_noload): Ditto.
4923         (Output_section::is_noload_): New data member.
4924         * script-c.h (Script_section_type): New enum type.
4925         (struct Parser_output_section_header): Add new file section_type.
4926         * script-sections.cc (Sections_element::output_section_name): Add
4927         parameter for returning script section type.
4928         (Output_section_definition::output_section_name): Ditto.
4929         (Output_section_definition::section_type)P; New method.
4930         (Output_section_definiton::script_section_type_name): Ditto.
4931         (Output_section_definition::script_section_type_): New data member.
4932         (Output_section_definition::Output_section_definition): Initialize
4933         data member Output_section_definition::script_section_type_.
4934         (Output_section_definition::create_sections): Pass script section type
4935         to Layout::make_output_section_for_script.
4936         (Output_section_definition::output_section_name): Return script
4937         section type to caller.
4938         (Output_section_definition::set_section_address): Do not advance
4939         dot value and load address if section type is NOLOAD.  Set address
4940         of NOLOAD sections regardless of section flags.
4941         (Output_section_definition::print): Print section type if it is
4942         not SCRIPT_SECTION_TYPE_NONE.
4943         (Output_section_definition::section_type): New method.
4944         (Output_section_definition::script_section_type_name): Ditto.
4945         (Script_sections::output_section_name): Add new parameter
4946         PSECTION_TYPE for returning script section type.  Pass it to
4947         section elements.  Handle discard sections.
4948         (Sort_output_sections::operator()): Handle NOLOAD sections.
4949         * script-sections.h (Script_sections::Section_type): New enum type.
4950         (Script_sections::output_section_name): Add a new parameter for
4951         returning script section type.
4952         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4953         INFO and NOLOAD.
4954         * yyscript.y (union): Add new field SECTION_TYPE.
4955         (COPY, DSECT, INFO, NOLOAD): New tokens.
4956         (opt_address_and_section_type): Change type to output_section_header.
4957         (section_type): New non-terminal
4958         (section_header): Handle section type.
4959         (opt_address_and_section_type): Return section type value.
4960
4961 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4962
4963         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4964         * testsuite/plugin_common_test_2.c (foo): Likewise.
4965
4966 2010-04-08  Doug Kwan  <dougkwan@google.com>
4967
4968         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4969         Output_merge_data.
4970         * output.cc (Output_section::add_merge_input_section): Simplify
4971         code and return status of Output_merge_base::add_input_section.
4972         Update merge section map only if Output_merge_base::add_input_section
4973         returns true.
4974
4975 2010-04-07  Doug Kwan  <dougkwan@google.com>
4976
4977         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4978         if section is marked as containing instructions but has no mapping
4979         symbols.
4980         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4981         correct section index.
4982         (Arm_relobj::find_linked_text_section): Ditto.
4983
4984 2010-04-07  Cary Coutant  <ccoutant@google.com>
4985
4986         * archive.cc (include_member): Destroy Read_symbols_data object before
4987         releasing file.
4988         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4989         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4990         (Read_symbols_data::~Read_symbols_data) New destructor.
4991         (Section_relocs::Section_relocs) New constructor.
4992         (Section_relocs::~Section_relocs) New destructor.
4993         (Read_relocs_data::Read_relocs_data) New constructor.
4994         (Read_relocs_data::~Read_relocs_data) New destructor.
4995         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4996         pointers to NULL after deleting.
4997
4998 2010-04-07  Doug Kwan  <dougkwan@google.com>
4999
5000         * arm.cc: Replace "endianity" with "endianness" in comments.
5001         (Arm_exidx_cantunwind): Ditto.
5002         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5003         (Arm_relobj::merge_flags_and_attributes): New method.
5004         (Arm_relobj::merge_flags_and_attributes_): New data member.
5005         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5006         (Arm_relobj::scan_sections_for_stubs): Ditto.
5007         (Arm_relobj::do_read_symbols): Check to see if we really want to
5008         merge processor-specific flags and attributes.  Exit early if
5009         an object is empty except for section names and the undefined symbol.
5010         (Target_arm::do_finalize_sections): Move check for ELF format to
5011         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5012         attributes from a regular object only when we have determined that
5013         it is aapropriate.  Do not create an .ARM.attributes section in
5014         output if there is no regular input object.
5015         (Target_arm::merge_processor_specific_flags): Check
5016         --warn-mismatch before printing any error.
5017         (Target_arm::merge_object_attributes): Ditto.
5018         * gold.cc (queue_middle_tasks): Handle the case in which there is
5019         no regular object in input.
5020         * options.cc (General_options::parse_EB): New method.
5021         (General_options::parse_EL): Same.
5022         (General_options::General_options): Initialize endianness_.
5023         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5024         New options.
5025         (General_options::Endianness): New enum.
5026         (General_options::endianness): New method.
5027         (General_options::endianness_): New data member.
5028         * parameters.cc (Parameters::set_options): Check target endianness.
5029         (Parameters::set_target_once): Ditto.
5030         (Parameters::check_target_endianness): New method.
5031         (parameters_force_valid_target): If either -EL or -EB is specified,
5032         use it to define endianness of default target.
5033         * parameters.h (Parameters::check_target_endianness): New method
5034         declaration.
5035         * target.h (class Target): Change "endianity" to "endianness"
5036         in comments.
5037
5038 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5039
5040         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5041         * configure: Regenerate.
5042         * Makefile.in: Regenerate.
5043         * testsuite/Makefile.in: Regenerate.
5044
5045 2010-04-06  Cary Coutant  <ccoutant@google.com>
5046
5047         gcc PR lto/42757
5048         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5049         prevailing definitions of common symbols.
5050         * testsuite/plugin_test_6.sh: New test case.
5051         * testsuite/plugin_common_test_1.c: New test case.
5052         * testsuite/plugin_common_test_2.c: New test case.
5053         * testsuite/Makefile.am (plugin_test_6): New test case.
5054         * testsuite/Makefile.in: Regenerate.
5055
5056 2010-04-06  Nick Clifton  <nickc@redhat.com>
5057
5058         * po/vi.po: New Vietnamese translation.
5059
5060 2010-03-30  Doug Kwan  <dougkwan@google.com>
5061
5062         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5063
5064 2010-03-25  Doug Kwan  <dougkwan@google.com>
5065
5066         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5067         to avoid a conversion warning on a 32-bit host.
5068
5069 2010-03-24  Ian Lance Taylor  <iant@google.com>
5070
5071         * testsuite/script_test_3.t: Add a TLS segment.
5072         * testsuite/Makefile.am (check_PROGRAMS): Add
5073         tls_phdrs_script_test.
5074         (tls_phdrs_script_test_SOURCES): Define.
5075         (tls_phdrs_script_test_DEPENDENCIES): Define.
5076         (tls_phdrs_script_test_LDFLAGS): Define.
5077         (tls_phdrs_script_test_LDADD): Define.
5078         * testsuite/Makefile.in: Rebuild.
5079
5080 2010-03-23  Cary Coutant  <ccoutant@google.com>
5081
5082         * fileread.cc (find_or_make_view): Fix comment.
5083
5084 2010-03-23  Ian Lance Taylor  <iant@google.com>
5085
5086         * script-sections.cc (class Orphan_section_placement): Define
5087         PLACE_TLS and PLACE_TLS_BSS.
5088         (Orphan_section_placement::Orphan_section_placement): Initialize
5089         new places.
5090         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5091         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5092         (tls_script_test_SOURCES): Define.
5093         (tls_script_test_DEPENDENCIES): Define.
5094         (tls_script_test_LDFLAGS): Define.
5095         (tls_script_test_LDADD): Define.
5096         * testsuite/Makefile.in: Rebuild.
5097
5098 2010-03-22  Doug Kwan  <dougkwan@google.com>
5099
5100         * arm.cc (Arm_relocate_functions::abs8,
5101         Arm_relocate_functions::abs16): Use correct check for overflow
5102         specified in the ARM ELF specs.
5103         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5104         target of a BLX instruction specially.
5105         (Reloc_stub::stub_type_for_reloc): Ditto.
5106         (Relocate::relocate): Use symbolic names instead of numeric relocation
5107         codes to report error.
5108         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5109         workaround.
5110         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5111         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5112         thumb2_blx_out_of_range.stdout
5113         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5114         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5115         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5116         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5117         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5118         thumb2_blx_in_range, thumb2_blx_in_range.o,
5119         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5120         thumb2_blx_out_of_range.o): New rules.
5121         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5122         thumb2_blx_in_range and thumb2_blx_out_of_range.
5123         * testsuite/Makefile.in: Regenerate.
5124         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5125         * testsuite/thumb_blx_in_range.s: New file.
5126         * testsuite/thumb_blx_out_of_range.s: New file.
5127
5128 2010-03-22  Rafael Espindola  <espindola@google.com>
5129
5130         * archive.cc (Should_include): Move to archive.h.
5131         (should_include_member): Make it a member of Archive.
5132         (Lib_group): New.
5133         (Add_lib_group_symbols): New.
5134         * archive.h: Include options.h.
5135         (Archive_member): Moved from Archive.
5136         (Should_include): Moved from archive.cc.
5137         (Lib_group): New.
5138         (Add_lib_group_symbols): New.
5139         * dynobj.cc (do_should_include_member): New.
5140         * dynobj.h (do_should_include_member): New.
5141         * gold.cc (queue_initial_tasks): Update call to queue.
5142         * main.cc (main): Print lib group stats.
5143         * object.cc (do_should_include_member): New.
5144         * object.h: Include archive.h.
5145         (Object::should_include_member): New.
5146         (Object::do_should_include_member): New.
5147         (Sized_relobj::do_should_include_member): New.
5148         * options.cc (General_options::parse_start_lib): New.
5149         (General_options::parse_end_lib): New.
5150         (Input_arguments::add_file): Handle lib groups.
5151         (Input_arguments::start_group): Check we are not in a lib.
5152         (Input_arguments::start_lib): New.
5153         (Input_arguments::end_lib): New.
5154         * options.h (General_options): Add start_lib and end_lib.
5155         (Input_argument::lib_): New.
5156         (Input_argument::lib): New.
5157         (Input_argument::is_lib): New.
5158         (Input_file_lib): New.
5159         (Input_arguments::in_lib_): New.
5160         (Input_arguments::in_lib): New.
5161         (Input_arguments::start_lib): New.
5162         (Input_arguments::end_lib_): New.
5163         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5164         in unused members as preempted.
5165         (Sized_pluginobj::do_should_include_member): New.
5166         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5167         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5168         return the blocker.
5169         (Read_symbols::do_whole_lib_group): New.
5170         (Read_symbols::do_lib_group): New.
5171         (Read_symbols::do_read_symbols): Handle lib groups.
5172         (Read_symbols::get_name): Handle lib groups.
5173         * readsyms.h (Read_symbols): Add an archive member pointer.
5174         (Read_symbols::do_whole_lib_group): New.
5175         (Read_symbols::do_lib_group): New.
5176         (Read_symbols::member_): New.
5177         * script.cc (read_input_script): Update call to queue_soon.
5178
5179 2010-03-19  Doug Kwan  <dougkwan@google.com>
5180
5181         * arm.cc (Stub_table::Stub_table): Initialize new data members
5182         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5183         (Stub_table::add_reloc_stub): Assign stub offset and update
5184         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5185         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5186         New data members.
5187         (Stub_table::update_data_size_and_addralign): Use
5188         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5189         instead of going over all reloc stubs.
5190         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5191         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5192         Stringpool_template::offset_ to size of Stringpool_char.
5193         (Stringpool_template::new_key_offset): Remove code to initialize
5194         Stringpool_template::offset_.
5195         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5196         Stringpool_template::offset_ to zero.
5197
5198 2010-03-15  Doug Kwan  <dougkwan@google.com>
5199
5200         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5201         offset_.
5202         (Stringpool_template::new_key_offset): New method.
5203         (Stringpool_template::add_string): Assign offsets when adding new
5204         strings.
5205         (Stringpool_template::set_string_offsets): Do not set string offsets
5206         when not optimizing.
5207         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5208         member size_.
5209         (Chunked_vector::clear): Clear size_.
5210         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5211         (Chunked_vector::size): Return size_.
5212         (Chunked_vector::push_back): Use size_ to find insert position.
5213         (Chunked_vector::size_): New data member.
5214         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5215         (Stringpool_template::new_key_offset): New method declaration.
5216         (Stringpool_template::offset_): New data member.
5217
5218 2010-03-15   Rafael Espindola  <espindola@google.com>
5219
5220         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5221         Add_symbols' constructor.
5222         * readsyms.h (Add_symbols): Remove the input_group member.
5223
5224 2010-03-10  Ian Lance Taylor  <iant@google.com>
5225
5226         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5227         target to ask whether a reference to a symbol requires a stack
5228         split.
5229         * target.h (Target::is_call_to_non_split): New function.
5230         (Target::do_is_call_to_non_split): Declare virtual function.
5231         * target.cc: Include "symtab.h".
5232         (Target::do_is_call_to_non_split): New function.
5233         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5234
5235 2010-03-10  Cary Coutant  <ccoutant@google.com>
5236
5237         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5238         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5239         (File_read::open[2]): Add whole_file_view_ to list of views.
5240         (File_read::make_view): Remove test of whole_file_view_.
5241         (File_read::find_or_make_view): Create whole_file_view_ if
5242         necessary.
5243         (File_read::clear_views): Replace bool parameter with enum;
5244         adjust all callers.  Don't delete views with permanent data;
5245         do delete cached views and views from archives if
5246         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5247         if clearing the corresponding view.
5248         * fileread.h (File_read::Clear_views_mode): New enum.
5249         (File_read::View::is_permanent_view): New method.
5250         (File_read::clear_views): Replace bool parameter
5251         with enum; adjust all callers.
5252         * options.h (General_options): Change keep_files_mapped option;
5253         add map_whole_files.
5254         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5255         releasing the file.
5256         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5257         the file.
5258
5259 2010-03-10  David S. Miller  <davem@davemloft.net>
5260
5261         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5262
5263 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5264
5265         * icf.cc (get_section_contents): Add '@' marker after processing the
5266         merge reloc.
5267
5268 2010-03-08  Doug Kwan  <dougkwan@google.com>
5269
5270         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5271         due to a conversion warning.
5272         (Arm_relobj::update_output_local_symbol_count): Check for local
5273         symbol with unset output index.
5274
5275 2010-03-05  Ian Lance Taylor  <iant@google.com>
5276
5277         * options.h (class General_options): Add --spare-dynamic-tags.
5278         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5279         --spare-dynamic-tags.
5280
5281 2010-03-05  Ian Lance Taylor  <iant@google.com>
5282
5283         * incremental.cc: Include "libiberty.h".
5284
5285 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5286
5287         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5288         function, is_info_ member.
5289         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5290         (Versions::Versions): Update caller.
5291         (Versions::define_base_version): Likewise.
5292         (Versions::add_def): Likewise.
5293
5294 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5295
5296         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5297         (Scan::possible_function_pointer_reloc): New function.
5298         (Scan::local_reloc_may_be_function_pointer): Change to call
5299         possible_function_pointer_reloc.
5300         (Scan::global_reloc_may_be_function_pointer): Ditto.
5301         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5302         relocations in ".data.rel.ro._ZTV" section.
5303         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5304         * testsuite/icf_safe_so_test.cc: Ditto.
5305         * testsuite/icf_safe_test.cc: Ditto.
5306         * testsuite/icf_safe_test.sh: Ditto.
5307
5308 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5309             Ian Lance Taylor  <iant@google.com>
5310
5311         * target-reloc.h (relocate_section): Check the symbol table index
5312         for -1U before setting the local symbol index.
5313         (scan_relocatable_relocs): If copying the relocation, record that
5314         the local symbol is required.
5315         * object.h (Symbol_value::is_output_symtab_index_set): New
5316         function.
5317         (Symbol_value::may_be_discarded_from_output_symtab): New
5318         function.
5319         (Symbol_value::has_output_symtab_entry): New function.
5320         (Symbol_value::needs_output_symtab_entry): Remove.
5321         (Symbol_value::output_symtab_index): Make sure the symbol index is
5322         set.
5323         (Symbol_value::set_output_symtab_index): Make sure the symbol
5324         index is not set.  Make sure the new index is valid.
5325         (Symbol_value::set_must_have_output_symtab_entry): New function.
5326         (Symbol_value::has_output_dynsym_entry): New function.
5327         (Symbol_value::set_output_dynsym_index): Make sure the new index
5328         is valid.
5329         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5330         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5331         local symbol if permitted.
5332         (Sized_relobj::do_finalize_local_symbols): Call
5333         is_output_symtab_index_set rather than needs_output_symtab_entry.
5334         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5335         rather than needs_output_symtab_entry.  Call
5336         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5337         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5338         is_output_symtab_index_set rather than needs_output_symtab_entry.
5339         * testsuite/discard_locals_relocatable_test.c: New file.
5340         * testsuite/discard_locals_test.sh: Test -r.
5341         * testsuite/Makefile.am (check_DATA): Add
5342         discard_locals_relocatable_test1.syms,
5343         discard_local_relocatable_test2.syms.
5344         (MOSTLYCLEANFILES): Likewise.  Also add
5345         discard_locals_relocatable_test1.lout and
5346         discard_locals_relocatable_test2.out.
5347         (discard_locals_relocatable_test1.syms): New target.
5348         (discard_locals_relocatable_test.o): New target.
5349         (discard_locals_relocatable_test1.out): New target.
5350         (discard_locals_relocatable_test2.syms): New target.
5351         (discard_locals_relocatable_test2.out): New target.
5352         (various): Add missing ../ld-new dependencies.
5353         * testsuite/Makefile.in: Rebuild.
5354
5355 2010-03-03  Nick Clifton  <nickc@redhat.com>
5356
5357         * po/fi.po: New Finnish translation.
5358
5359 2010-03-01  Doug Kwan  <dougkwan@google.com>
5360
5361         * layout.cc (Layout::Layout): Force section types of .init_array*,
5362         .preinit_array* and .fini_array* sections.
5363         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5364         Fix check of return value of std::string::find.().
5365         (Output_section::Input_section_sort_compare::operator()): Remove
5366         comment about .init_array.
5367         (Output_section::Input_section_sort_init_fini_compare::operator()):
5368         New method.
5369         (Output_section::sort_attached_input_sections): Handle .init_array
5370         and .fini_array specially.
5371         * output.h (Output_section::Inut_section_sort_compare): Update
5372         comment.
5373         (Output_section::Input_section_sort_init_fini_compare): New struct.
5374
5375 2010-02-26  Doug Kwan  <dougkwan@google.com>
5376
5377         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5378         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5379         * testsuite/debug_msg.sh: Avoid matching source line number for
5380         use of global variable undef_int.
5381
5382 2010-02-26  Doug Kwan  <dougkwan@google.com>
5383
5384         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5385         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5386         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5387         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5388         * options.cc (General_options::General_options): Initialize member
5389         fix_v4bx_.
5390         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5391         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5392         and rm_no_fix_v4bx.stdout
5393         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5394         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5395         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5396         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5397         and arm_no_fix_v4bx.
5398         * Makefile.in: Regenerate.
5399         * testsuite/arm_fix_v4bx.s: New file.
5400         * testsuite/arm_fix_v4bx.sh: Ditto.
5401
5402 2010-02-24  Doug Kwan  <dougkwan@google.com>
5403
5404         * arm.cc (Target_arm::got_section): Make the .got section the first
5405         non RELRO section in the data segment.
5406         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5407         suffixes of section names.
5408
5409 2010-02-24  Doug Kwan  <dougkwan@google.com>
5410
5411         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5412         flags and attributes merging if an input file is a binary file.
5413         * fileread.cc (Input_file::open): Record format of original file.
5414         * fileread.h (Input_file::Format): New enum type.
5415         (Input_file::Input_file): Initialize data member format_.
5416         (Input_file::format): New method definition.
5417         (Input_file::format_):: New data member.
5418
5419 2010-02-24  Doug Kwan  <dougkwan@google.com>
5420
5421         * arm.cc (Arm_output_data_got): New class.
5422         (ARM_TCB_SIZE): New constant
5423         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5424         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5425         If user uses a script with a SECTIONS clause, issue only a warning
5426         for a misplaced EXIDX input section.  Otherwise, issue an error.
5427         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5428         garbage collection.
5429         (Target_arm::got_mode_index_entry): Handle static linking.
5430         (Target_arm::Scan::local): Ditto.
5431         (Target_arm::Scan::global): Ditto.
5432         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5433         all incorrectly implemented relocations.
5434         (Target_arm::fix_exidx_coverage): Pass layout to
5435         Arm_output_section::fix_exidx_coverage.
5436         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5437         from ".ARM.exidx." and ".ARM.extab.".
5438
5439 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5440
5441         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5442         section if it does not already exist.
5443         * attributes.cc (Attributes_section_data::Attributes_section_data):
5444         Don't crash if size is zero.
5445
5446 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5447             Ian Lance Taylor  <iant@google.com>
5448
5449         * gold.cc (queue_middle_tasks): If no input files were opened,
5450         exit.
5451         * workqueue.h (Task_function::Task_function): Assert that there is
5452         a blocker.
5453
5454 2010-02-22  Doug Kwan  <dougkwan@google.com>
5455
5456         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5457         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5458         types to avoid warnings due to different uint64_t implementations
5459         on different hosts.
5460
5461 2010-02-21  Doug Kwan  <dougkwan@google.com>
5462
5463         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5464         handling of the maximum backward branch offset.
5465         (Arm_relocate_functions::thumb_branch_common): Ditto.
5466         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5467         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5468         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5469         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5470         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5471         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5472         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5473         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5474         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5475         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5476         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5477         thumb2_bl_out_of_range.o): New rules.
5478         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5479         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5480         thumb2_bl_out_of_range
5481         * testsuite/Makefile.in: Regenerate.
5482         * testsuite/arm_bl_in_range.s: New file.
5483         * testsuite/arm_bl_out_of_range.s: Ditto.
5484         * testsuite/arm_branch_in_range.sh: Ditto.
5485         * testsuite/arm_branch_range.t: Ditto.
5486         * testsuite/thumb2_branch_range.t: Ditto.
5487         * testsuite/thumb_bl_in_range.s: Ditto.
5488         * testsuite/thumb_bl_out_of_range.s: Ditto.
5489         * testsuite/thumb_branch_range.t: Ditto.
5490
5491 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5492
5493         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5494         Add reloc offset information.
5495         * icf.cc (get_section_contents): Change iterators to point to the new
5496         vectors. Add reloc offset information to the contents.
5497         * icf.h (Icf::Sections_reachable_info): New typedef.
5498         (Icf::Sections_reachable_list): New typedef.
5499         (Icf::Offset_info): New typedef.
5500         (Icf::Reloc_info): New struct typedef.
5501         (Icf::Reloc_info_list): New typedef.
5502         (Icf::symbol_reloc_list): Delete method.
5503         (Icf::addend_reloc_list): Delete method.
5504         (Icf::section_reloc_list): Delete method.
5505         (Icf::reloc_info_list): New method.
5506         (Icf::reloc_info_list_): New member.
5507
5508 2010-02-19  Doug Kwan  <dougkwan@google.com>
5509
5510         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5511         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5512         * arm.cc (Arm_relocation_functions): New forward declaration.
5513         (Target_arm::Target_arm): Initialize new data members
5514         got_mod_index_offset_ and tls_base_symbol_defined_.
5515         (Target_arm::Relocate::relocate_tls): New method.
5516         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5517          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5518         New methods.
5519         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5520         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5521         (Target_arm::got_mod_index_offset_,
5522         Target_arm::tls_base_symbol_defined_): New data members.
5523         (Target_arm::Scan::local, Target::Scan::global,
5524         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5525         relocations.
5526
5527 2010-02-18  Doug Kwan  <dougkwan@google.com>
5528
5529         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5530         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5531         text section as a parameter becuase some broken tools may not set
5532         the link in section header.
5533         (Target_arm::has_got_section): New method.
5534         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5535         without any mapping symbol as data only.  Remove warning.
5536         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5537         link in its section header, try to discover the link by inspecting the
5538         REL31 relocation at the beginning of the section.
5539         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5540         in error message.
5541         (Target_arm::Scan::global): Treat any reference to the symbol
5542         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5543
5544 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5545
5546         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5547         (Scan::global_reloc_may_be_function_pointer): New function.
5548         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5549         (Scan::global_reloc_may_be_function_pointer): New function.
5550         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5551         (Scan::global_reloc_may_be_function_pointer): New function.
5552         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5553         (Scan::global_reloc_may_be_function_pointer): New function.
5554         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5555         (Scan::global_reloc_may_be_function_pointer): New function.
5556         (Scan::possible_function_pointer_reloc): New function.
5557         (Target_x86_64::can_check_for_function_pointers): New function.
5558         * gc.h (gc_process_relocs): Scan relocation types to determine if
5559         function pointers were taken for targets that support it.
5560         * icf.cc (Icf::find_identical_sections): Include functions for
5561         folding in safe ICF whose pointer is not taken.
5562         * icf.h (Secn_fptr_taken_set): New typedef.
5563         (fptr_section_id_): New member.
5564         (section_has_function_pointers): New function.
5565         (set_section_has_function_pointers): New function.
5566         (check_section_for_function_pointers): New function.
5567         * options.h: Fix comment for safe ICF option.
5568         * target.h (can_check_for_function_pointers): New function.
5569         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5570         Modify icf_safe_test for X86-64.
5571         * testsuite/Makefile.in: Regenerate.
5572         * testsuite/icf_safe_so_test.cc: New file.
5573         * testsuite/icf_safe_so_test.sh: New file.
5574         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5575         (main): Change to take pointer to function kept_func_3.
5576         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5577         folding is done correctly for X86-64.
5578
5579 2010-02-12  David S. Miller  <davem@davemloft.net>
5580
5581         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5582         is_symbolless parameter.
5583         (Output_reloc<SHT_REL>::is_symbolless): New.
5584         (Output_reloc<SHT_REL>::is_symbolless_): New.
5585         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5586         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5587         (Output_reloc<SHT_RELA>::is_symbolless): New.
5588         (Output_data_reloc::add_global): Handle is_symbolless.
5589         (Output_data_reloc::add_global_relative): Likewise.
5590         (Output_data_reloc::add_local): Likewise.
5591         (Output_data_reloc::add_local_relative): Likewise.
5592         (Output_data_reloc::add_symbolless_global_addend): New.
5593         (Output_data_reloc::add_symbolless_local_addend): New.
5594         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5595         is_symbolless.
5596         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5597         instead of ->is_relative_
5598         (Output_reloc::write): Likewise.
5599         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5600         (Output_reloc::write_rel): Simplify.
5601
5602         * sparc.cc (Target_sparc::Scan::local): Use
5603         ->add_symbolless_local_addend as needed.
5604         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5605         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5606         based upon relocation offset.
5607
5608 2010-02-11  Doug Kwan  <dougkwan@google.com>
5609
5610         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5611         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5612         beginning of function.
5613         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5614         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5615         parameter is_32bit in calls to should_apply_static_reloc.
5616         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5617         (check_DATA): Add arm_abs_global.stdout.
5618         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5619         arm_abs_global.stdout): New rules.
5620         (MOSTLLYCLEANFILES): Add arm_abs_global
5621         * Makefile.in: Regenerate.
5622         * testsuite/arm_abs_global.s: New file.
5623         * testsuite/arm_abs_global.sh: Ditto.
5624         * testsuite/arm_abs_lib.s: Ditto.
5625
5626 2010-02-11  Ian Lance Taylor  <iant@google.com>
5627
5628         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5629         Read_relocs task.
5630         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5631         Allocate_commons_task first.
5632         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5633         task, rather than symtab_lock_.
5634         (Gc_process_relocs::~Gc_process_relocs): New function.
5635         (Gc_process_relocs::is_runnable): Check this_blocker_.
5636         (Gc_process_relocs::locks): Use next_blocker_ rather than
5637         blocker_.
5638         (Scan_relocs::~Scan_relocs): New function.
5639         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5640         symtab_lock_.
5641         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5642         next_blocker_.
5643         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5644         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5645         constructor accordingly.
5646         (class Gc_process_relocs): Likewise.
5647         (class Scan_relocs): Likewise.
5648         * common.h (class Allocate_commons_task): Remove symtab_lock_
5649         field, and corresponding constructor parameter.
5650         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5651         symtab_lock_.
5652         (Allocate_commons_task::locks): Likewise.
5653
5654 2010-02-11  Ian Lance Taylor  <iant@google.com>
5655
5656         * gold-threads.h (class Once): Define.
5657         (class Initialize_lock): Rewrite as child of Once.
5658         * gold-threads.cc (class Once_initialize): Define.
5659         (once_pointer_control): New static variable.
5660         (once_pointer, once_arg): New static variables.
5661         (c_run_once): New static function.
5662         (Once::Once, Once::run_once, Once::internal_run): New functions.
5663         (class Initialize_lock_once): Remove.
5664         (initialize_lock_control): Remove.
5665         (initialize_lock_pointer): Remove.
5666         (initialize_lock_once): Remove.
5667         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5668         (Initialize_lock::initialize): Rewrite.
5669         (Initialize_lock::do_run_once): New function.
5670         * archive.cc (Archive::interpret_header): Only clear name if it is
5671         not already empty.
5672         * fileread.cc: Include "gold-threads.h"
5673         (file_counts_lock): New static variable.
5674         (file_counts_initialize_lock): Likewise.
5675         (File_read::release): Only increment counts when using --stats.
5676         Use a lock around the increment.
5677         * parameters.cc (class Set_parameters_target_once): Define.
5678         (set_parameters_target_once): New static variable.
5679         (Parameters::Parameters): Move here from parameters.h.
5680         (Parameters::set_target): Rewrite.
5681         (Parameters::set_target_once): New function.
5682         (Parameters::clear_target): Move here and rewrite.
5683         * parameters.h (class Parameters): Update declarations.  Add
5684         set_parameters_target_once_ field.
5685         (Parameters::Parameters): Move to parameters.cc.
5686         (Parameters::clear_target): Likewise.
5687         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5688         task.
5689         (Start_group::~Start_group): New function.
5690         (Start_group::is_runnable): New function.
5691         (Start_group::locks, Start_group::run): New functions.
5692         (Finish_group::run): Change saw_undefined to size_t.
5693         * readsyms.h (class Start_group): Define.
5694         (class Finish_group): Change saw_undefined_ field to size_t.
5695         (Finish_group::Finish_group): Remove saw_undefined and
5696         this_blocker parameters.  Change all callers.
5697         (Finish_group::set_saw_undefined): New function.
5698         (Finish_group::set_blocker): New function.
5699         * symtab.h (class Symbol_table): Change saw_undefined to return
5700         size_t.  Change saw_undefined_ field to size_t.
5701         * target-select.cc (Set_target_once::do_run_once): New function.
5702         (Target_selector::Target_selector): Initialize set_target_once_
5703         field.  Don't initialize lock_ and initialize_lock_ fields.
5704         (Target_selector::instantiate_target): Rewrite.
5705         (Target_selector::set_target): New function.
5706         * target-select.h (class Set_target_once): Define.
5707         (class Target_selector): Update declarations.  Make
5708         Set_target_once a friend.  Remove lock_ and initialize_lock_
5709         fields.  Add set_target_once_ field.
5710
5711 2010-02-10  Ian Lance Taylor  <iant@google.com>
5712
5713         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5714         queueing any tasks.
5715         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5716         (queue_middle_tasks): Add all blockers before queueing any tasks.
5717         (queue_final_tasks): Likewise.
5718         * token.h (Task_token::add_blockers): New function.
5719         * object.h (Input_objects::number_of_relobjs): New function.
5720
5721 2010-02-10  Ian Lance Taylor  <iant@google.com>
5722
5723         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5724         shared, not if not position independent.
5725         * x86_64.cc (Relocate::relocate_tls): Likewise.
5726         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5727         (tls_pie_pic_test): New target.
5728         * testsuite/Makefile.in: Rebuild.
5729
5730         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5731         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5732         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5733         * testsuite/Makefile.in: Rebuild.
5734
5735 2010-02-09  David S. Miller  <davem@davemloft.net>
5736
5737         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5738         R_SPARC_RELATIVE using ->add_local_relative().
5739         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5740
5741         * output.h (Output_data_dynamic::add_section_size): New method
5742         that takes two Output_data objects.
5743         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5744         entry param.  Handle it in initializers.
5745         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5746         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5747         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5748         arg.
5749         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5750         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5751         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5752         for dynrel_includes_plt.
5753         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5754         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5755         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5756         before .rela.plt
5757         (Target_sparc::do_finalize_sections): Update to pass true for
5758         dynrel_includes_plt.
5759         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5760         output before .rela.plt
5761         (Target_powerpc::do_finalize_sections): Update to pass true for
5762         dynrel_includes_plt when 32-bit.
5763
5764 2010-02-08  Doug Kwan  <dougkwan@google.com>
5765
5766         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5767         method.
5768         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5769         Arm_relobj::scan_section_for_cortex_a8_stubs,
5770         Arm_relobj::do_relocation_section): Instead of calling
5771         Output_section::output_address, use faster
5772         Arm_relobj::simple_input_section_output_address.
5773
5774 2010-02-08  David S. Miller  <davem@davemloft.net>
5775
5776         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5777         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5778         relocation helper function.
5779
5780         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5781         just like R_SPARC_GOT{10,13,22}.
5782         (Target_sparc::Scan::local): Likewise.
5783         (Target_sparc::Relocate:relocate): Likewise.
5784
5785 2010-02-06  Ian Lance Taylor  <iant@google.com>
5786
5787         * configure.ac: Rewrite targetobjs duplicate removal code to use
5788         only shell constructs.
5789         * configure: Rebuild.
5790
5791 2010-02-05  Doug Kwan  <dougkwan@google.com>
5792
5793         PR 11247
5794         * arm.cc (Arm_relobj::section_is_scannable): New method.
5795         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5796         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5797
5798 2010-02-04  Doug Kwan  <dougkwan@google.com>
5799
5800         PR 11247
5801         * arm-reloc-property.cc (cstdio): Include.
5802         * configure.ac (targetobjs): Remove duplicates.
5803         * configure: Regenerate.
5804         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5805         big and little endian version for a given address size.
5806
5807 2010-02-03  Doug Kwan  <dougkwan@google.com>
5808
5809         * arm-reloc-property.cc
5810         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5811         definition.
5812         * arm-reloc-property.h
5813         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5814         New method definition.
5815         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5816         declaration.
5817         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5818         overflow to N.
5819         (GOT_PREL): Change implemented to Y.
5820         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5821         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5822         (Arm_relocate_functions::movw_abs_nc): Remove method.
5823         (Arm_relocate_functions::movt_abs): Ditto.
5824         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5825         (Arm_relocate_functions::thm_movt_abs): Ditto.
5826         (Arm_relocate_functions::movw_rel_nc): Ditto.
5827         (Arm_relocate_functions::movw_rel): Ditto.
5828         (Arm_relocate_functions::movt_rel): Ditto.
5829         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5830         (Arm_relocate_functions:thm_movw_rel): Ditto.
5831         (Arm_relocate_functions:thm_movt_rel): Ditto.
5832         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5833         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5834         New method definitions.
5835         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5836         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5837         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5838         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5839         (Target_arm::Relocate::relocate): Check for non-static or
5840         unimplemented relocation code and exit early.  Change calls to
5841         Target_arm::reloc_uses_thumb_bit and
5842         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5843         instead.  Refactor code to handle similar relocations to increase
5844         code sharing.  Remove check for unsupported relocation code in switch
5845         statement.
5846         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5847         relocation property table to find out size.  Change error message to
5848         print out the name of a relocation code instead of the numeric value.
5849         (Target_arm::scan_reloc_for_stub): Use relocation property table
5850         instead of calling Target_arm::reloc_uses_thumb_bit().
5851
5852 2010-02-02  Doug Kwan  <dougkwan@google.com>
5853
5854         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5855         types of relaxed input section.
5856
5857 2010-02-02  Doug Kwan  <dougkwan@google.com>
5858
5859         * Makefile.am (HFILES): Add arm-reloc-property.h.
5860         (DEFFILES): New.
5861         (TARGETSOURCES): Add arm-reloc-property.cc
5862         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5863         (libgold_a_SOURCES): $(DEFFILES)
5864         * Makefile.in: Regenerate.
5865         * arm-reloc-property.cc: New file.
5866         * arm-reloc-property.h: New file.
5867         * arm-reloc.def: New file.
5868         * arm.cc: Update comments.
5869         (arm-reloc-property.h): New included header.
5870         (arm_reloc_property_table): New global variable.
5871         (Target_arm::do_select_as_default_target): New method definition.
5872         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5873         arm-reloc-property to targ_extra_obj.
5874         * parameters.cc (set_parameters_target): Call
5875         Target::select_as_default_target().
5876         * target.h (Target::select_as_default_target): New method definition.
5877         (Target::do_select_as_default_target): Same.
5878
5879 2010-02-01  Doug Kwan  <dougkwan@google.com>
5880
5881         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5882         first_output_text_section_.
5883         (Arm_exidx_fixup::first_output_text_section): New method definition.
5884         (Arm_exidx_fixup::first_output_text_section_): New data member.
5885         (Arm_exidx_fixup::process_exidx_section): Record the first text
5886         output section seen.
5887         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5888         and entsize in output section header.
5889
5890 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5891
5892         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5893         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5894         (Arm_relocate_functions::thm_alu11): New Method.
5895         (Arm_relocate_functions::thm_pc8): New Method.
5896         (Arm_relocate_functions::thm_pc12): New Method.
5897         (Target_arm::Scan::local): Handle the relocations.
5898         (Target_arm::Scan::global): Likewise.
5899         (Target_arm::Relocate::relocate): Likewise.
5900         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5901
5902 2010-01-29  Doug Kwan  <dougkwan@google.com>
5903
5904         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5905         of relocation types as ld.
5906
5907 2010-01-29  Doug Kwan  <dougkwan@google.com>
5908
5909         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5910         to public.
5911         (Arm_relocate_functions::thumb_branch_common): Ditto.
5912         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5913         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5914         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5915         Arm_relocate_functions::jump24): Remove.
5916         (Target_arm::Relocate::relocate): Adjust code to call
5917         Arm_relocation_functions::arm_branch_common and
5918         Arm_relocation_functions::thumb_branch_common instead of their removed
5919         wrappers.  Merge switch-cases together to reduce source code size.
5920
5921 2010-01-29  Doug Kwan  <dougkwan@google.com>
5922
5923         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5924         output_local_symbol_count_needs_update_.
5925         (Arm_relobj::output_local_symbol_count_needs_update,
5926          Arm_relobj::set_output_local_symbol_count_needs_update,
5927          Arm_relobj::update_output_local_symbol_count): New methods.
5928         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5929         member.
5930         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5931         of pointed function as in a R_ARM_PREL31 relocation.
5932         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5933         for output local symbol count updating.
5934         (Target_arm::do_relax): Update output local symbol counts in objects
5935         if necessary.
5936         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5937
5938 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5939
5940         * arm.cc: Added support for the ARM relocations:
5941         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5942         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5943         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5944         movw_prel_nc).
5945         (Arm_relocate_functions::movw_rel): New method.
5946         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5947         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5948         thm_movw_prel_nc).
5949         (Arm_relocate_functions::thm_movw_rel): New method.
5950         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5951         thm_movt_prel).
5952         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5953         relocations.
5954         (Target_arm::Scan::global): Likewise.
5955         (Target_arm::Relocate::relocate): Likewise.
5956         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5957         Likewise.
5958
5959 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5960
5961         * arm.cc: Added support for ARM group relocations.
5962         (Target_arm::reloc_needs_sym_origin): New method.
5963         (Arm_relocate_functions::calc_grp_kn): New method.
5964         (Arm_relocate_functions::calc_grp_residual): New method.
5965         (Arm_relocate_functions::calc_grp_gn): New method.
5966         (Arm_relocate_functions::arm_grp_alu): New Method.
5967         (Arm_relocate_functions::arm_grp_ldr): New Method.
5968         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5969         (Arm_relocate_functions::arm_grp_ldc): New Method.
5970         (Target_arm::Scan::local): Handle the ARM group relocations.
5971         (Target_arm::Scan::global): Likewise.
5972         (Target_arm::Relocate::relocate): Likewise.
5973         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5974         Likewise.
5975
5976 2010-01-26  Doug Kwan  <dougkwan@google.com>
5977
5978         * arm.cc (set): Include.
5979         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5980         pointer type.
5981         (Arm_output_section::Text_section_list): New type.
5982         (Arm_output_section::append_text_sections_to_list): New method.
5983         (Arm_output_section::fix_exidx_coverage): Ditto.
5984         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5985         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5986         Relobj::set_section_offset() instead of
5987         Sized_relobj::invalidate_section_offset().
5988         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5989         parameter for section headers. Ignore relocation sections for
5990         unallocated sections and EXIDX sections.
5991         (Target_arm::fix_exidx_coverage): New method.
5992         (Target_arm::output_section_address_less_than): New type.
5993         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5994         linked text section instead of the EXIDX section.
5995         (Arm_output_section::create_stub_group): Add an assertion to check
5996         that this is not an EXIDX output section.
5997         (Arm_output_section::append_text_sections_to_list): New method.
5998         (Arm_output_section::fix_exidx_coverage): Ditto.
5999         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6000         Arm_relobj::section_needs_reloc_stub_scanning.
6001         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6002         first pass.
6003         (Target_arm::fix_exidx_coverage): New method.
6004         * object.h (Relobj::set_output_section): New method.
6005         (Sized_relobj::invalidate_section_offset): Remove method.
6006         (Sized_relobj::do_invalidate_section_offset): Remove method.
6007         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6008
6009 2010-01-25  Doug Kwan  <dougkwan@google.com>
6010
6011         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6012         Fix warning due to signed and unsigned comparison on a 32-bit host.
6013
6014 2010-01-22  Doug Kwan  <dougkwan@google.com>
6015
6016         * arm.cc (Target_arm::do_relax): Record an output section for section
6017         offset adjustment it contains any stub table that has changed.
6018         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6019         offsets in an output section if necessary.
6020         * output.cc (Output_section::Output_section): Initialize
6021         section_offsets_need_adjustments_.
6022         (Output_section::add_input_section_for_script): Renamed to
6023         Output_section::add_simple_input_section.
6024         (Output_section::save_states): Add a comment.
6025         (Output_section::discard_states): New method defintion.
6026         (Output_section::adjust_section_offsets): Same.
6027         * output.h (Output_section::add_input_section_for_script): Renamed to
6028         Output_section::add_simple_input_section.
6029         (Output_section::discard_states): New method declaration.
6030         (Output_section::adjust_section_offsets): Same.
6031         (Output_section::section_offsets_need_adjustment,
6032         Output_section::set_section_offsets_need_adjustment): New method
6033         definitions.
6034         (Output_section::section_offsets_need_adjustment_): New data member.
6035         * script-sections.cc
6036         (Output_section_element_input::set_section_address): Adjust code for
6037         renaming of Output_section::add_input_section_for_script.
6038         (Orphan_output_section::set_section_address): Same.
6039
6040 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6041
6042         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6043         Fix_v4bx enum values .
6044         * gold/options.h (General_options): New option definitions.
6045         (General_options::fix_v4bx): New method.
6046         (General_options::Fix_v4bx): New enum.
6047         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6048         (General_options::parse_fix_v4bx_interworking): New method.
6049
6050 2010-01-22  Doug Kwan  <dougkwan@google.com>
6051
6052         * arm.cc (Arm_exidx_fixup): New class.
6053
6054 2010-01-21  Doug Kwan  <dougkwan@google.com>
6055
6056         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6057         classes.
6058         (Arm_exidx_section_offset_map): New type.
6059
6060 2010-01-21  Doug Kwan  <dougkwan@google.com>
6061
6062         * arm.cc (Arm_exidx_input_section): New class.
6063         (Arm_relobj::exidx_input_section_by_link,
6064         Arm_relobj::exidx_input_section_by_shndx,
6065         Arm_relobj::make_exidx_input_section): New methods.
6066         (read_arm_attributes_section): Remove.
6067         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6068         information about them.
6069         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6070         to here.
6071
6072 2010-01-20  Doug Kwan  <dougkwan@google.com>
6073
6074         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6075         Input_section_specifier to Section_id.
6076         (Target_arm::new_arm_input_section: Adjust code for change of key
6077         type.
6078         (Target_arm::find_arm_input_section): Ditto.
6079         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6080         (Section_id): Remove.
6081         (Garbage_collection::Section_id_hash): Remove.
6082         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6083         (Section_id): Remove.
6084         (Icf::Section_id_hash): Remove.
6085         * object.h (Section_id, Const_section_id, Section_id_hash,
6086         Const_section_id_hash): New type definitions.
6087         * output.cc (Output_section::add_relaxed_input_section): Change to
6088         use Const_section_id instead of Input_section_specifier as key type.
6089         (Output_section::add_merge_input_section): Ditto.
6090         (Output_section::build_relaxation_map): Change to use Section_id
6091         instead of Input_section_specifier as key type.
6092         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6093         Ditto.
6094         (Output_section::convert_input_sections_to_relaxed_sections): Change
6095         to use Const_section_id instead of Input_section_specifier as key type.
6096         (Output_section::find_merge_section): Ditto.
6097         (Output_section::find_relaxed_input_section): Ditto.
6098         * output.h (Input_section_specifier): Remove class.
6099         (Output_section::Output_section_data_by_input_section_map): Change
6100         key type to Const_section_id.
6101         (Output_section::Output_relaxed_input_section_by_input_section_map):
6102         Ditto.
6103         (Output_section::Relaxation_map): Change key type to Section_id.
6104
6105 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6106
6107         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6108         (class Arm_v4bx_stub): New class.
6109         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6110         (Stub_factory::make_arm_v4bx_stub): New method.
6111         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6112         (Stub_table::empty): Handle v4bx stubs.
6113         (Stub_table::add_arm_v4bx_stub): New method.
6114         (Stub_table::find_arm_v4bx_stub): New method.
6115         (Arm_relocate_functions::v4bx): New method.
6116         (Target_arm::fix_v4bx): New method.
6117         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6118         (Stub_table::relocate_stubs): Likewise.
6119         (Stub_table::do_write): Likewise.
6120         (Stub_table::update_data_size_and_addralign): Likewise.
6121         (Stub_table::finalize_stubs):  Likewise.
6122         (Target_arm::Scan::local): Likewise.
6123         (Target_arm::Scan::global): Likewise.
6124         (Target_arm::do_finalize_sections): Likewise.
6125         (Target_arm::Relocate::relocate): Likewise.
6126         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6127         Likewise.
6128         (Target_arm::scan_reloc_for_stub): Likewise.
6129         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6130
6131 2010-01-19  Ian Lance Taylor  <iant@google.com>
6132
6133         * output.cc (Output_section_headers::do_sized_write): Write large
6134         segment count to sh_info field.
6135         (Output_file_header::do_sized_write): For large segment count,
6136         write PN_XNUM to e_phnum field.
6137
6138 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6139
6140         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6141         (Arm_relocate_functions::thm_jump8): New function.
6142         (Arm_relocate_functions::thm_jump11): New function.
6143         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6144         R_ARM_THM_JUMP11.
6145         (Target_arm::Scan::global): Likewise.
6146         (Target_arm::Relocate::relocate): Likewise.
6147         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6148         Likewise.
6149
6150 2010-01-14  Doug Kwan  <dougkwan@google.com>
6151
6152         * arm.cc (map, utility): Include headers.
6153         (Target_arm::apply_cortex_a8_workaround): New method.
6154         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6155         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6156         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6157         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6158         the --[no-]fix-cortex-a8 command line options.
6159         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6160         (Target_arm::relocate_stub): Use addend in instruction template.
6161         * options.h (DEFINE_bool): Set the user-set flag.
6162         (General_options): Add --[no-]-fix-cortex options.
6163         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6164         : Update fast look-up map after conversion.
6165
6166 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6167
6168         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6169         in the first pass of do_layout.
6170
6171 2010-01-13  Doug Kwan  <dougkwan@google.com>
6172
6173         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6174         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6175         apparent compiler problem of not folding static constant integral
6176         data members of elfcpp::Elf_sizes<32>.
6177
6178 2010-01-13  Doug Kwan  <dougkwan@google.com>
6179
6180         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6181         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6182         Arm_relobj::scan_section_for_cortex_a8_erratum,
6183         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6184         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6185         sections to scan for relocation stubs into a new method
6186         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6187         relocation and Cortex-A8 stub scanning.
6188         (Target_arm::do_relax): Force stubs to be after stubbed sections
6189         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6190         the beginning of a new relaxation pass.  Update a comment.
6191         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6192
6193 2010-01-12  Ian Lance Taylor  <iant@google.com>
6194
6195         * target-reloc.h (visibility_error): New inline function.
6196         (relocate_section): Call visibility_error.
6197         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6198         (MOSTLYCLEANFILES): Likewise.
6199         (protected_4_pic.o, protected_3.err): New targets.
6200         * testsuite/protected_4.cc: New file.
6201
6202 2010-01-12  Doug Kwan  <dougkwan@google.com>
6203
6204         * arm.cc (Cortex_a8_reloc): New class.
6205         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6206         and cortex_a8_relocs_info_.
6207         (Target_arm::fix_cortex_a8): New method definition.
6208         (Target_arm::Cortex_a8_relocs_info): New type.
6209         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6210         New data member declarations.
6211         (Target_arm::scan_reloc_for_stub): Record information about
6212         relocations for THUMB branches that might be exempted from the
6213         Cortex-A8 workaround.
6214         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6215         at the beginning of a relaxation pass.
6216
6217 2010-01-12  Doug Kwan  <dougkwan@google.com>
6218
6219         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6220         (Arm_relobj::Mapping_symbol_position,
6221          Arm_reloj::Mapping_symbol_position_less,
6222          Arm_relobj::Mapping_symbols_info): New types.
6223         (Target_arm::is_mapping_symbol_name): New method definition.
6224         (Arm_relobj::do_count_local_symbols): Save information about mapping
6225         symbols.
6226
6227 2010-01-11  Doug Kwan  <dougkwan@google.com>
6228
6229         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6230         Arm_relocate_functions::thumb32_branch_upper,
6231         Arm_relocate_functions::thumb32_branch_lower,
6232         Arm_relocate_functions::thumb32_cond_branch_offset,
6233         Arm_relocate_functions::thumb32_cond_branch_upper,
6234         Arm_relocate_functions::thumb32_cond_branch_lower,
6235         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6236         branch offset encoding.
6237         (Arm_relocate_functions::thumb_branch_common): Use new branch
6238         offset encoding methods to avoid code duplication.
6239         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6240         (Stub_addend_reader::operator()): Use new branch encoding method
6241         to avoid code duplication.
6242
6243 2010-01-11  Doug Kwan  <dougkwan@google.com>
6244
6245         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6246         (Target_arm::do_finalize_sections): Define special EXIDX section
6247         symbols only if referenced.
6248         * gc.h (Garbage_collection::add_reference): New method.
6249         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6250         code duplication.
6251
6252 2010-01-11  Ian Lance Taylor  <iant@google.com>
6253
6254         * script.cc (Version_script_info::build_expression_list_lookup):
6255         Change complaing about duplicate wildcard match from error to
6256         warning.
6257
6258         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6259         of 2009-12-30.
6260         (Version_script_info::Version_script_info): Initialize globs_,
6261         default_version_, default_is_global_, and exact_.  Don't
6262         initialize globals_ or locals_.
6263         (Version_script_info::build_lookup_tables): Build local symbols
6264         first.
6265         (Version_script_info::unquote): New function.
6266         (Version_script_info::add_exact_match): New function.
6267         (Version_script_info::build_expression_list_lookup): Remove lookup
6268         parameter.  Add is_global parameter.  Change all callers.  Handle
6269         wildcard pattern specially.  Unquote pattern.  Call
6270         add_exact_match.
6271         (Version_script_info::get_name_to_match): New function.
6272         (Version_script_info::get_symbol_version): New function.
6273         (Version_script_info::get_symbol_version_helper): Remove.
6274         (Version_script_info::check_unmatched_names): Call unquote.
6275         * script.h (class Version_script_info): Change get_symbol_version
6276         to be non-inline and add is_global parameter; change all callers.
6277         Rewrite symbol_is_local.  Update declarations.  Define struct
6278         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6279         Remove globals_ and locals_ members.  Add exact_, globs_,
6280         default_version_, is_global_.
6281         (Version_script_info::Glob): Remove pattern, add expression and
6282         is_global.  Update constructor.  Change all callers.
6283         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6284         default version.
6285         (Versions::symbol_section_contents): If a symbol is undefined, or
6286         defined in a dynamic object, set the version index to
6287         VER_NDX_LOCAL.
6288         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6289         symbol_is_local.
6290         (Symbol_table::add_from_pluginobj): Likewise.
6291         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6292
6293 2010-01-11  Doug Kwan  <dougkwan@google.com>
6294
6295         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6296         (incremental_dump_LDADD): Add linking option for libintl.
6297         * Makefile.in: Regenerate.
6298
6299 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6300
6301         PR gold/11144
6302         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6303         instead of -Ds.
6304         * testsuite/Makefile.in: Regenerated.
6305
6306 2010-01-10  Doug Kwan  <dougkwan@google.com>
6307
6308         * options.h (DEFINE_var): Use parentheses around argument varname__
6309         in macro body to avoid any unintended subsequent substitutions.
6310
6311 2010-01-10  Ian Lance Taylor  <iant@google.com>
6312
6313         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6314         candidates before doing symbol resolution.
6315
6316         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6317         ODR candidates if only one is weak.
6318
6319 2010-01-08  Ian Lance Taylor  <iant@google.com>
6320
6321         * script.cc (Version_script_info::build_expression_list_lookup):
6322         Don't warn about ambiguous version, just record the ambiguity.
6323         (Version_script_info::get_symbol_version_helper): Give error if
6324         version is ambiguous.
6325
6326 2010-01-08  Doug Kwan  <dougkwan@google.com>
6327
6328         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6329           prev_data_size_ and prev_addralign_.  Remove initializer for
6330           deleted data member has_been_changed_.
6331           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6332           to determine if the table is empty.
6333           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6334           Remove.
6335           (Stub_table::add_reloc_stub): Define method in class definition
6336           instead of just declaring it there.
6337           (Stub_table::add_cortex_a8_stub): New method definition.
6338           (Stub_table::update_data_size_and_addralign): Ditto.
6339           (Stub_table::finalize_stubs): Ditto.
6340           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6341           (Stub_table::do_addralign_): Return address alignment in the
6342           (Stub_table::do_reset_address_and_file_offset): Define method in
6343           class definition instead of declaring it there.  Set current data
6344           size to be the data size of the previous pass.
6345           (Stub_table::set_final_data_size): Use current data size as the
6346           final data size.
6347           (Stub_table::relocate_stub): Change parameter type of stub from
6348           Reloc_stub pointer to Stub pointer.
6349           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6350           (Stub_table::Cortex_a8_stub_list): New typedef.
6351           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6352            Stub_table::prev_addralign_): New data member.
6353           (Arm_relobj::Arm_relobj): Initialize data member
6354           section_has_cortex_a8_workaround_.
6355           (Arm_relobj::section_has_cortex_a8_workaround,
6356            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6357            definitions.
6358           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6359           declarations.
6360           (Target_arm::relocate_stub): Change parameter type of stub from
6361           Reloc_stub pointer to Stub pointer.
6362           (Insn_template::size, Insn_template::alignment): Handle
6363           THUMB16_SPECIAL_TYPE.
6364           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6365            Stub_table::update_data_size_and_addralign,
6366            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6367           definitions.
6368           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6369           (Stub_table::do_write): Ditto.
6370           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6371
6372 2010-01-08  Ian Lance Taylor  <iant@google.com>
6373
6374         PR 11108
6375         * symtab.h (class Symbol): Remove fields is_target_special_ and
6376         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6377         (Symbol::is_defined_in_discarded_section): New function.
6378         (Symbol::set_is_defined_in_discarded_section): New function.
6379         (Symbol::has_plt_offset): Rewrite.
6380         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6381         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6382         Don't initialize is_target_special_ or has_plt_offset_.
6383         Initialize is_defined_in_discarded_section_.
6384         (Symbol_table::add_from_relobj): If appropriate, set
6385         is_defined_in_discarded_section.
6386         * resolve.cc (Symbol::override_base_with_special): Don't test
6387         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6388         * target-reloc.h (relocate_section): Do special handling for
6389         symbols defined in discarded sections for global symbols as well
6390         as local symbols.
6391
6392 2010-01-08  Ian Lance Taylor  <iant@google.com>
6393
6394         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6395         the SHT_SYMTAB case.
6396
6397 2010-01-08  Ian Lance Taylor  <iant@google.com>
6398
6399         * object.cc (Sized_relobj::do_layout): Don't get confused if
6400         layout_eh_frame returns NULL.
6401
6402 2010-01-08  Ian Lance Taylor  <iant@google.com>
6403
6404         PR 11084
6405         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6406         dynamic symbol table, use the normal symbol table.
6407         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6408         symbol table.
6409
6410 2010-01-08  Ian Lance Taylor  <iant@google.com>
6411
6412         PR 11072
6413         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6414         sections.
6415
6416 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6417
6418         * version.cc (print_version): Change to "Copyright 2010".
6419
6420 2010-01-08  Ian Lance Taylor  <iant@google.com>
6421
6422         PR 10287
6423         PR 11063
6424         * i386.cc (class Target_i386): Change return type of plt_section
6425         to be non-const.
6426         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6427         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6428         tls_desc_rel_ field.
6429         (Output_data_plt_i386::rel_tls_desc): New function.
6430         (Target_i386::rel_tls_desc_section): New function.
6431         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6432         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6433         R_386_TLS_DESC reloc in rel_tls_desc_section.
6434         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6435         Define struct Tlsdesc_info.
6436         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6437         (Target_x86_64::do_reloc_symbol_index): New function.
6438         (Target_x86_64::add_tlsdesc_info): New function.
6439         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6440         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6441         tlsdesc_rel_ field.
6442         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6443         all callers.
6444         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6445         (Target_x86_64::rela_tlsdesc_section): New function.
6446         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6447         handling.
6448         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6449         (Target_x86_64::do_reloc_addend): New function.
6450         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6451         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6452         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6453         (Output_reloc::type): New function.
6454         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6455         (Output_reloc::is_target_specific): New function.
6456         (Output_reloc::target_arg): New function.
6457         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6458         absolute relocs and target specific relocs.
6459         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6460         add_target_specific.
6461         (class Output_data_reloc) [SHT_RELA]: Likewise.
6462         * output.cc (Output_reloc::Output_reloc): Add four new versions
6463         for absolute relocs and target specific relocs.
6464         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6465         (Output_reloc::get_symbol_index): Likewise.
6466         (Output_reloc::local_section_offset): Check that local_sym_index_
6467         is not TARGET_CODE or 0.
6468         (Output_reloc::symbol_value): Likewise.
6469         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6470         reloc.
6471         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6472         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6473         functions.
6474         * layout.cc (add_target_dynamic_tags): Use output section for
6475         DT_PLTRELSZ and DT_JMPREL.
6476
6477 2010-01-07  Ian Lance Taylor  <iant@google.com>
6478
6479         PR 11061
6480         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6481         function.
6482         (class Output_data_reloc_generic): Define.
6483         (class Output_data_reloc_base): Change base class to
6484         Output_data_reloc_generic.  Change add() method to call
6485         bump_relative_reloc_count for a relative reloc.  Remove
6486         sort_relocs_ field.
6487         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6488         to sort_relocs().
6489         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6490         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6491         appropriate.
6492         * layout.h (class Layout): Update declaration.
6493
6494 2010-01-07  Ian Lance Taylor  <iant@google.com>
6495
6496         * output.h (class Output_data): Add const version of
6497         output_section and do_output_section.
6498         (class Output_section_data): Add const version of
6499         do_output_section.
6500         (class Output_section): Likewise.
6501         * layout.cc (Layout::add_target_dynamic_tags): New function.
6502         * layout.h (class Layout): Update declarations.
6503         * arm.cc (Target_arm::do_finalize_sections): Use
6504         add_target_dynamic_tags.
6505         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6506         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6507         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6508         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6509
6510 2010-01-07  Ian Lance Taylor  <iant@google.com>
6511
6512         PR 11042
6513         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6514         object as needed.
6515
6516 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6517             Ian Lance Taylor  <iant@google.com>
6518
6519         PR 11019
6520         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6521         Xindex::read_symtab_xindex.
6522
6523 2010-01-07  Doug Kwan  <dougkwan@google.com>
6524
6525         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6526         (Insn_template::thumb16_bcond_insn): New method declaration.
6527         (Insn_template): Fix spelling.
6528         (Stub::thumb16_special): New method declaration.
6529         (Stub::do_write): Define virtual method which was previously pure
6530         virtual.
6531         (Stub::do_thumb16_special): New method declaration.
6532         (Stub::do_fixed_endian_write): New template member.
6533         (Reloc_stub::do_write): Remove.
6534         (Reloc_stub::do_fixed_endian_write): Remove.
6535         (Cortex_a8_stub): New class definition.
6536         (Stub_factory::make_cortex_a8_stub): New method definition.
6537         (Stub_factory::Stub_factory): Add missing static storage class
6538         qualifier for elf32_arm_stub_a8_veneer_blx.
6539
6540 2010-01-07  Ian Lance Taylor  <iant@google.com>
6541
6542         PR 10980
6543         * options.h (class General_options): Add --warn-unresolved-symbols
6544         and --error-unresolved-symbols.
6545         * errors.cc (Errors::undefined_symbol): Implement
6546         --warn-unresolved-symbols.
6547
6548         * options.h (class General_options): Add -z text and -z textoff.
6549         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6550
6551 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6552
6553         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6554         (Garbage_collection::cident_sections): New function.
6555         (Garbage_collection::add_cident_section): New function.
6556         (Garbage_collection::cident_sections_): New member.
6557         (gc_process_relocs): Add references to sections whose names are C
6558         identifiers.
6559         * gold.h (cident_section_start_prefix): New constant.
6560         (cident_section_stop_prefix): New constant.
6561         (is_cident): New function.
6562         * layout.cc (Layout::define_section_symbols): Replace string constants
6563         with the newly defined constants.
6564         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6565         C identifiers.
6566         * testsuite/Makefile.am: Add gc_orphan_section_test.
6567         * testsuite/Makefile.in: Regenerate.
6568         * testsuite/gc_orphan_section_test.cc: New file.
6569         * testsuite/gc_orphan_section_test.sh: New file.
6570
6571 2010-01-06  Ian Lance Taylor  <iant@google.com>
6572
6573         PR 10980
6574         * options.h (class General_options): Add --warn-shared-textrel.
6575         * layout.cc (Layout::finish_dynamic_section): Implement
6576         --warn-shared-textrel.
6577
6578         PR 10980
6579         * options.h (class General_options): Add --warn-multiple-gp.
6580
6581 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6582
6583         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6584         $(THREADSLIB) and $(LIBDL).
6585         * Makefile.in: Rebuild.
6586
6587 2010-01-06  Ian Lance Taylor  <iant@google.com>
6588
6589         PR 10980
6590         * options.cc (General_options::parse_section_start): New function.
6591         (General_options::section_start): New function.
6592         (General_options::General_options): Initialize all members.
6593         * options.h: Include <map>
6594         (class General_options): Add --section-start.  Add section_starts_
6595         member.
6596         * layout.cc (Layout::attach_allocated_section_to_segment): If
6597         --section-start was used, set the address of the segment.  Remove
6598         local sort_sections.
6599         (Layout::relaxation_loop_body): If the address of the load segment
6600         has been set by --section-start, don't use it.
6601         * output.h (Output_segment::update_flags_for_output_section): New
6602         function.
6603         * output.cc (Output_segment::add_output_section): Call
6604         update_flags_for_output_section.
6605
6606 2010-01-05  Ian Lance Taylor  <iant@google.com>
6607
6608         PR 10980
6609         * options.h (class General_options): Add --undefined-version.
6610         * script.cc (struct Version_expression): Add was_matched_by_symbol
6611         field.
6612         (Version_script_info::matched_symbol): New function.
6613         (Version_script_info::get_symbol_version_helper): Call
6614         matched_symbol.
6615         (Version_script_info::check_unmatched_names): New function.
6616         * script.h (class Version_script_info): Update declarations.
6617         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6618
6619         * options.h (class General_options): Use DEFINE_bool_alias for
6620         allow_multiple_definition.
6621         * resolve.cc (Symbol_table::should_override): Don't test
6622         allow_multiple_definition.
6623
6624         PR 10980
6625         * options.h (class General_options): Add --cref.
6626         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6627         until after printing cref table.
6628         * cref.cc: Include "symtab.h".
6629         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6630         (Cref_table_compare::operator()): New function.
6631         (Cref_inputs::gather_cref): New function.
6632         (filecol): New static const.
6633         (Cref_inputs::print_cref): New function.
6634         (Cref::print_cref): New function.
6635         * cref.h: Include <cstdio>.
6636         (class Cref): Update declarations.
6637         * mapfile.h (Mapfile::file): New function.
6638         * object.h (class Object): Define Symbols.  Declare virtual
6639         do_get_global_symbols.
6640         (Object::get_global_symbols): New function.
6641         * object.cc (Input_objects::add_object): Pass object to cref_ if
6642         --cref.
6643         (Input_objects::archive_start): Likewise.
6644         (Input_objects::archive_stop): Likewise.
6645         (Input_objects::print_cref): New function.
6646         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6647         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6648         --cref.
6649         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6650         function.
6651         * plugin.h (class Sized_pluginobj): Update declarations.
6652
6653 2010-01-05  Ian Lance Taylor  <iant@google.com>
6654
6655         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6656         to is_default_version.  Rename insdef to insdefault.
6657         (Symbol_table::add_from_relobj): Rename def to is_default_version
6658         and local to is_forced_local.
6659         (Symbol_table::add_from_pluginobj): Likewise.
6660         (Symbol_table::add_from_dynobj): Likewise.
6661         (Symbol_table::define_special_symbol): Rename insdef to
6662         insdefault.
6663
6664 2010-01-04  Ian Lance Taylor  <iant@google.com>
6665
6666         PR 10980
6667         * options.h (class General_options): Add
6668         --allow-multiple-definition and -z muldefs.
6669         * resolve.cc (Symbol_table::should_override): Don't warn about a
6670         multiple symbol definition if --allow-multiple-definition or -z
6671         muldefs.
6672
6673         PR 10980
6674         * options.h (class General_options): Add --add-needed and
6675         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6676         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6677         error if --copy-dt-needed-entries aka --add-needed is used and
6678         would cause a change in behaviour.
6679
6680         PR 10980
6681         * options.h (class General_options): Add -G as a short version of
6682         --shared.  Add no-op options -assert, -g, and -i.
6683
6684 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6685
6686         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6687         check for .text or .gnu.linkonce.t sections.
6688         * icf.cc (Icf::find_identical_sections): Ditto.
6689         Change the detection for mangled function name within the section
6690         name.
6691         * icf.h (is_section_foldable_candidate): New function.
6692
6693 2009-12-30  Ian Lance Taylor  <iant@google.com>
6694
6695         PR 10980
6696         * options.h (class General_options): Permit two dashes with
6697         --retain-symbols-file.
6698
6699 2009-12-30  Ian Lance Taylor  <iant@google.com>
6700
6701         PR 10979
6702         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6703         don't put the file header and segment headers in the text
6704         segment.
6705
6706         PR 10979
6707         * common.cc (Sort_commons::operator()): Stabilize sort when both
6708         entries are NULL.
6709         (Symbol_table::do_allocate_commons_list): When allocating common
6710         symbols, skip a symbol which is no longer common.
6711         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6712         an object before checking its type.
6713         * testsuite/common_test_2.c: New file.
6714         * testsuite/common_test_3.c: New file.
6715         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6716         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6717         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6718         (common_test_2_pic.o, common_test_2.so): New targets.
6719         (common_test_3_pic.o, common_test_3.so): New targets.
6720         * testsuite/Makefile.in: Rebuild.
6721
6722         PR 10979
6723         * script.cc (read_input_script): If we see a new SECTIONS clause,
6724         and we have added an input section, give an error.
6725         * layout.h (class Layout): Add have_added_input_section function.
6726         Add have_added_input_section_ field.
6727         * layout.cc (Layout::Layout): Initialize
6728         have_added_input_section_.
6729         (Layout::layout): Set have_added_input_section_.
6730         (Layout::layout_eh_frame): Likewise.
6731
6732 2009-12-30  Ian Lance Taylor  <iant@google.com>
6733
6734         PR 10931
6735         * options.h (class General_options): Add --sort-common option.
6736         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6737         * common.cc (Sort_common): Add sort_order parameter to
6738         constructor.  Add sort_order_ field.
6739         (Sort_commons::operator): Check sort_order_.
6740         (Symbol_table::allocate_commons): Determine the sort order.
6741         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6742         Change all callers.
6743         (Symbol_table::do_allocate_commons_list): Likewise.
6744
6745 2009-12-30  Ian Lance Taylor  <iant@google.com>
6746
6747         PR 10916
6748         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6749         symbols from this object, don't change the visibility of an
6750         undefined symbol.
6751         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6752
6753 2009-12-30  Ian Lance Taylor  <iant@google.com>
6754
6755         PR 10861
6756         * script.h (class Version_script_info): Define Language enum.
6757         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6758         new fields globals_, locals_, and is_finalized_.
6759         * script.cc: Various formatting fixes.
6760         (class Parser_closure): Change language_stack_ from a vector of
6761         std::string to one of Version_script_info::Language.  Adjust all
6762         uses accordingly.
6763         (class Lazy_demangler): Remove.
6764         (struct Version_expression): Change language from std::string to
6765         Version_script_info::Language.
6766         (Version_script_info::Version_script_info): New function.
6767         (Version_script_info::~Version_script_info): Don't call clear.
6768         (Version_script_info::finalize): New function.
6769         (Version_script_info::build_lookup_tables): New function.
6770         (Version_script_info::build_expression_list_lookup): New
6771         function.
6772         (Version_script_info::get_symbol_version_helper): Rewrite to use
6773         lookup tables.
6774         (Version_script_info::print_expression_list): Adjust to use
6775         Version_script_info::Language.
6776         (script_push_lex_into_version_mode): Check that the version script
6777         has not been finalized.
6778         (version_script_push_lang): Change language string to
6779         Version_script_info::Language.
6780         * options.cc (Command_line::version_script): New function.
6781         * options.h (class General_options): Add finalize_dynamic_list
6782         function.  Change version_script from declaration to definition.
6783         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6784         * testsuite/version_script.map: Remove duplicate def of foo.
6785         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6786         version_script.map.
6787         * testsuite/Makefile.in: Rebuild.
6788
6789 2009-12-30  Ian Lance Taylor  <iant@google.com>
6790
6791         PR 10843
6792         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6793         if the input symbol index is 0, make the output symbol index 0.
6794
6795 2009-12-30  Ian Lance Taylor  <iant@google.com>
6796
6797         PR 10670
6798         * options.h (class General_options): Add -x/--discard-all.
6799         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6800         --discard-all.  If the local symbol needs a dynamic entry, check
6801         that before handling --discard-locals.
6802
6803 2009-12-30  Ian Lance Taylor  <iant@google.com>
6804
6805         PR 10450
6806         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6807         flags to PF_R.
6808         (Output_segment::add_output_section): Don't change the flags if
6809         the type is PT_TLS.
6810
6811         PR 10450
6812         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6813         GNU hash table if they need a dynamic value.  Otherwise, don't add
6814         them if they are defined in a dynamic object or are forced local.
6815
6816 2009-12-29  Ian Lance Taylor  <iant@google.com>
6817
6818         PR 10450
6819         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6820         .gnu.hash table for a 32-bit target.
6821
6822         PR 10450
6823         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6824         regular and a dynamic object only needs a dynamic symbol table
6825         entry if it is externally visible.
6826
6827         PR 10450
6828         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6829         constructor.  Add global_offset_table_ field.
6830         (Target_i386::got_section): Set global_offset_table_.
6831         (Target_i386::do_finalize_sections): Set global_offset_table_
6832         size.
6833         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6834         in constructor.  Add global_offset_table_ field.
6835         (Target_x86_64::got_section): Set global_offset_table_.
6836         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6837         size.
6838
6839         * layout.cc (Layout::Layout): Initialize increase_relro_.
6840         (Layout::get_output_section): Add is_relro, is_last_relro, and
6841         is_first_non_relro parameters.  Change all callers.
6842         (Layout::choose_output_section): Likewise.
6843         (Layout::add_output_section_data): Likewise.
6844         (Layout::make_output_section): Likewise.
6845         (Layout::set_segment_offsets): Clear increase_relro when using a
6846         linker script.
6847         * layout.h (class Layout): Add increase_relro method.  Add
6848         increase_relro_ field.  Update declarations.
6849         * output.cc (Output_section::Output_section): Initialize
6850         is_last_relro_ and is_first_non_relro_.
6851         (Output_segment::add_output_section): Group relro sections is
6852         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6853         (Output_segment::maximum_alignment): Remove relro handling.
6854         (Output_segment::set_section_addresses): Add increase_relro
6855         parameter.  Change all callers.  Add initial alignment to align
6856         relro sections on separate page.  Remove old relro handling.
6857         (Output_segment::set_section_list_addresses): Remove in_relro
6858         parameter.  Change all callers.
6859         (Output_segment::set_offset): Add increase parameter.  Change all
6860         callers.  Remove old relro handling.
6861         * output.h (class Output_section): Add new methods: is_last_relro,
6862         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6863         Add is_last_relro_ and is_first_non_relro_ fields.
6864         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6865         Create separate .got.plt section.  Call increase_relro.
6866         * x86_64.cc (Target_x86_64::got_section): Likewise.
6867         * testsuite/relro_script_test.t: Add .got.plt.
6868
6869         PR 10450
6870         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6871         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6872         (Layout::finalize): Call set_dynamic_symbol_size.
6873         (Layout::set_dynamic_symbol_size): New function.
6874         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6875         set_dynamic_symbol_size.
6876
6877         PR 10450
6878         * output.h (class Output_section): Add is_entsize_zero_ field.
6879         * output.cc (Output_section::Output_section): Initialize
6880         is_entsize_zero_.
6881         (Output_section::set_entsize): If two different entsizes are
6882         requested, force it to zero.
6883         (Output_section::add_input_section): Set flags for .debug_str
6884         before updating section flags.  Set entsize.
6885         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6886         and SHF_STRING if all input sections have those flags.
6887
6888 2009-12-29   Rafael Espindola  <espindola@google.com>
6889
6890         * main.cc (main): Fix the sys time reporting.
6891         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6892         reporting.
6893
6894 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6895
6896         * options.cc (General_options::parse_version): Allow -v to exit
6897         without an error if there is nothing to link.
6898
6899 2009-12-29  Ian Lance Taylor  <iant@google.com>
6900
6901         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6902         using a version of gcc before 4.1.
6903         * configure: Rebuild.
6904
6905 2009-12-28  Chris Demetriou  <cgd@google.com>
6906
6907         * attributes.cc (Output_attributes_section_data::do_write): Use
6908         std::vector::front rather than std::vector::data.
6909
6910 2009-12-28  Ian Lance Taylor  <iant@google.com>
6911
6912         * symtab.h (class Symbol_table): Add enum Defined.
6913         * resolve.cc (Symbol_table::should_override): Add defined
6914         parameter.  Change all callers.  Test whether object is NULL
6915         before calling a method on it.
6916         (Symbol_table::report_resolve_problem): Add defined parameter.
6917         Change all callers.
6918         (Symbol_table::should_override_with_special): Likewise.
6919         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6920         parameter.  Change all callers.
6921         (Symbol_table::do_define_in_output_data): Likewise.
6922         (Symbol_table::define_in_output_segment): Likewise.
6923         (Symbol_table::do_define_in_output_segment): Likewise.
6924         (Symbol_table::define_as_constant): Likewise.
6925         (Symbol_table::do_define_as_constant): Likewise.
6926         * script.h (class Symbol_assignment): Add is_defsym parameter to
6927         constructor; change all callers.
6928         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6929         parameter.  Change all callers.  Add is_defsym_ field.
6930         (class Parser_closure): Add parsing_defsym parameter to
6931         constructor; change all callers.  Add parsing_defsym accessor
6932         function.  Add parsing_defsym_ field.
6933
6934 2009-12-28  Ian Lance Taylor  <iant@google.com>
6935
6936         * gold.cc (queue_middle_tasks): Fix formatting.
6937         * object.cc (Relobj::is_section_name_included): Likewise.
6938
6939 2009-12-23  Ian Lance Taylor  <iant@google.com>
6940
6941         * i386.cc (Target_i386::do_calls_non_split): Recognize
6942         -fsplit-stack prologue for a function with a static chain.
6943         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6944         -fsplit-stack prologue when using %r11.
6945
6946 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6947
6948         * options.cc (General_options::parse_version): Make -v continue and do
6949         the link like GNU ld does.
6950
6951 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6952
6953         * Makefile.am (CCFILES): Add timer.cc.
6954         (HFILES): Add timer.h.
6955         * configure.ac: Check for sysconf and times.
6956         * main.cc: include timer.h.
6957         (main): Use Timer instead of get_run_time.
6958         * timer.cc: New.
6959         * timer.h: New.
6960         * workqueue.cc: include timer.h.
6961         (Workqueue::find_and_run_task):
6962         Report user, sys and wall time.
6963         * Makefile.in: Regenerate.
6964         * config.in: Regenerate.
6965         * configure: Regenerate.
6966
6967 2009-12-16  Doug Kwan  <dougkwan@google.com>
6968
6969         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6970         sections.
6971         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6972         relaxed input sections.
6973         * output.cc (Output_section::find_relaxed_input_section): Change
6974         return type to Output_relaxed_input_section pointer.  Adjust code
6975         for new type of relaxed_input_section_map_.
6976         * output.h (Output_section::find_relaxed_input_section): Change
6977         return type to Output_relaxed_input_section pointer.
6978         (Output_section::Output_relaxed_input_section_by_input_section_map):
6979         New type.
6980         (Output_section::relaxed_input_section_map_): Change type to
6981         Output_section::Output_relaxed_input_section_by_input_section_map.
6982         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6983         input section.
6984
6985 2009-12-15  Ian Lance Taylor  <iant@google.com>
6986
6987         * layout.cc (Layout::create_shstrtab): Only write out after input
6988         sections if we are compressing debug sections.
6989
6990 2009-12-15  Ian Lance Taylor  <iant@google.com>
6991
6992         * archive.cc (Archive::add_symbols): Only look up a symbol without
6993         a version if there is, in fact, a version.
6994
6995 2009-12-14  Ian Lance Taylor  <iant@google.com>
6996
6997         Revert -Wshadow changes, all changes from:
6998         2009-12-11  Doug Kwan  <dougkwan@google.com>
6999         2009-12-11  Nick Clifton  <nickc@redhat.com>
7000         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7001
7002 2009-12-11  Doug Kwan  <dougkwan@google.com>
7003
7004         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7005         due to -Wshadow.
7006         * attributes.cc (Object_attribute::size): Ditto.
7007         (Attributes_section_data::size): Ditto.
7008         (Attributes_section_data::Attributes_section_data): Ditto.
7009         (Output_attributes_section_data::do_write): Ditto.
7010         * attributes.h (Object_attribute::set_type): Ditto.
7011         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7012
7013 2009-12-11  Nick Clifton  <nickc@redhat.com>
7014
7015         * archive.cc: Fix shadowed variable warnings.
7016         * arm.cc: Likewise.
7017         * compressed_output.cc: Likewise.
7018         * compressed_output.h: Likewise.
7019         * configure: Likewise.
7020         * dwarf_reader.cc: Likewise.
7021         * dynobj.cc: Likewise.
7022         * dynobj.h: Likewise.
7023         * ehframe.cc: Likewise.
7024         * ehframe.h: Likewise.
7025         * errors.cc: Likewise.
7026         * expression.cc: Likewise.
7027         * fileread.cc: Likewise.
7028         * fileread.h: Likewise.
7029         * freebsd.h: Likewise.
7030         * i386.cc: Likewise.
7031         * icf.cc: Likewise.
7032         * incremental.h: Likewise.
7033         * layout.cc: Likewise.
7034         * layout.h: Likewise.
7035         * mapfile.cc: Likewise.
7036         * merge.cc: Likewise.
7037         * merge.h: Likewise.
7038         * object.cc: Likewise.
7039         * object.h: Likewise.
7040         * options.h: Likewise.
7041         * output.cc: Likewise.
7042         * output.h: Likewise.
7043         * parameters.cc: Likewise.
7044         * plugin.cc: Likewise.
7045         * powerpc.cc: Likewise.
7046         * reduced_debug_output.cc: Likewise.
7047         * reduced_debug_output.h: Likewise.
7048         * reloc.cc: Likewise.
7049         * reloc.h: Likewise.
7050         * resolve.cc: Likewise.
7051         * script-sections.cc: Likewise.
7052         * script.cc: Likewise.
7053         * script.h: Likewise.
7054         * sparc.cc: Likewise.
7055         * symtab.cc: Likewise.
7056         * symtab.h: Likewise.
7057         * target-select.cc: Likewise.
7058         * target-select.h: Likewise.
7059         * token.h: Likewise.
7060         * workqueue.cc: Likewise.
7061         * workqueue.h: Likewise.
7062         * x86_64.cc: Likewise.
7063
7064 2009-12-10  Doug Kwan  <dougkwan@google.com>
7065
7066         * arm.cc (attributes.h): New include.
7067         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7068         (Arm_relobj::~Arm_relobj): Delete object pointed by
7069         attributes_section_data_.
7070         (Arm_relobj::attributes_section_data): New method definition.
7071         (Arm_relobj::attributes_section_data_): New data member declaration.
7072         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7073         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7074         attributes_section_data_.
7075         (Arm_dynobj::attributes_section_data): New method definition.
7076         (Arm_dynobj::attributes_section_data_): New data member declaration.
7077         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7078         initialization value of may_use_blx_ to false.
7079         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7080         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7081         object attributes to compute results instead of hard-coding.
7082         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7083         Target_arm::get_secondary_compatible_arch,
7084         Target_arm::set_secondary_compatible_arch
7085         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7086         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7087         New method declarations.
7088         (Target_arm::get_aeabi_object_attribute): New method definition.
7089         (Target_arm::attributes_section_data_): New data member declaration.
7090         (read_arm_attributes_section): New template definition.
7091         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7092         (Arm_dynobj::do_read_symbols): Ditto.
7093         (Target_arm::do_finalize_sections): Merge attributes sections from
7094         input.  Check for BLX use after attributes section merging.
7095         Fix __exidx_start and __exidx_end visibility.  Create an
7096         .ARM.attributes section if necessary.
7097         (Target_arm::get_secondary_compatible_arch,
7098         Target_arm::set_secondary_compatible_arch,
7099         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7100         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7101         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7102         New method definitions.
7103
7104 2009-12-09  Ian Lance Taylor  <iant@google.com>
7105
7106         * plugin.cc (Plugin::load): Don't cast from void* to a function
7107         pointer.
7108
7109 2009-12-09  Ian Lance Taylor  <iant@google.com>
7110
7111         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7112         information fields.
7113
7114 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7115
7116         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7117         Replace two_file_shared_1.so with two_file_shared_2.so.
7118         * testsuite/Makefile.in: Regenerated.
7119
7120 2009-12-08  Doug Kwan  <dougkwan@google.com>
7121
7122         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7123         (HFILES): Add attributes.h and int_encoding.h.
7124         * Makefile.in: Regenerate.
7125         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7126         function definitions to int_encoding.cc
7127         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7128         prototypes to int_encoding.h
7129         * reduced_debug_output.cc (int_encoding.h): New include.
7130         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7131         function definitions to int_encoding.cc
7132         (insert_into_vector, read_from_pointer): Move template definitions to
7133         int_encoding.h
7134         * attributes.cc: New file.
7135         * attributes.h: New file.
7136         * int_encoding.cc: New file.
7137         * int_encoding.h: New file.
7138
7139 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7140
7141         PR gold/11055
7142         * incremental-dump.cc (dump_incremental_inputs): New.
7143         (main): Use dump_incremental_inputs.
7144
7145 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7146
7147         PR gold/10893
7148         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7149         checking elfcpp::STT_FUNC.
7150         (Target_i386::Relocate::relocate): Likewise.
7151         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7152
7153         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7154         symbols from shared libraries into normal FUNC symbols.
7155
7156         * symtab.h (Symbol): Add is_func and use it.
7157
7158 2009-12-05  Doug Kwan  <dougkwan@google.com>
7159
7160         * arm.cc (Target_arm::arm_info): Initialize new fields
7161         attributes_section and attributes_vendor.
7162         * i386.cc (Target_i386::i386_info): Same.
7163         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7164         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7165         fields attributes_section and attributes_vendor.
7166         * sparc.cc (Target_sparc::sparc_info): Same.
7167         * target.h (Target::attributes_section, Target::attributes_vendor,
7168         Target::is_attributes_section, Target::attribute_arg_type,
7169         Target::attributes_order): New method definitions.
7170         (Target::Target_info::attributes_section,
7171         Target::Target_info::attributes_vendor): New fields.
7172         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7173         virtual method definitions.
7174         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7175         attributes_section and attributes_vendor.
7176         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7177
7178 2009-12-05  Doug Kwan  <dougkwan@google.com>
7179
7180         * arm.cc: Update comments about interworking and stub generation.
7181         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7182         considered as non-PIC.
7183         (Arm_relocate_functions::base_abs): Fix formatting.
7184         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7185         of function to use GOT entry address instead of offset.
7186         (Target_arm::Scan::global): Issue an error if a symbol would need a
7187         PLT does not get one because it is untyped.  Remove code to create
7188         dynamic symbols for relative branches.
7189         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7190         takes unsigned integer instead of boolean.
7191
7192 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7193
7194         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7195         (two_file_test_LDADD): Likewise.
7196         (common_test_1_LDADD): Likewise.
7197         (exception_test_LDADD) Likewise.
7198         (weak_test_LDADD): Likewise.
7199         (many_sections_test_LDADD): Likewise.
7200         (initpri1_LDADD): Likewise.
7201         (script_test_1_LDADD): Likewise.
7202         (script_test_2_LDADD): Likewise.
7203         (justsyms_LDADD): Likewise.
7204         (binary_test_LDADD): Likewise.
7205         (large_LDADD): Likewise.
7206         * testsuite/Makefile.in: Regenerated.
7207
7208 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7209
7210         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7211         (Symbol_table::override_with_special): Likewise.
7212         (Symbol_table::add_from_object): Likewise.
7213
7214 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7215
7216         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7217         Don't set the data_offset twice.
7218
7219 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7220
7221         * testsuite/Makefile.in: Regenerate.
7222
7223 2009-12-03  Doug Kwan  <dougkwan@google.com>
7224
7225         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7226         (Target_arm::do_finalize_sections): Add parameter for symbol table
7227         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7228         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7229         parameter for symbol table pointer.
7230         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7231         an additional parameter for a pointer to symbol table.
7232         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7233         parameter for a symbol table pointer.
7234         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7235         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7236         Ditto.
7237         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7238         parameter for a symbol table pointer.
7239
7240 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7241
7242         * incremental.cc (Incremental_inputs_header)
7243         (Incremental_inputs_header_write, Incremental_inputs_entry)
7244         (Incremental_inputs_entry_write): Move ...
7245         * incremental.h (Incremental_inputs_header)
7246         (Incremental_inputs_header_write, Incremental_inputs_entry)
7247         (Incremental_inputs_entry_write): here.
7248
7249 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7250
7251         * incremental.cc (make_sized_incremental_binary): Set the target.
7252         Error if it is incompatible.
7253         * output.h (Output_file): Add filename method.
7254
7255 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7256
7257         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7258         from the get_* methods.
7259
7260 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7261
7262         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7263         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7264         Write 0 for the data_offset of scripts.
7265
7266 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7267
7268         * testsuite/Makefile.am: Add the incremental_test.sh test.
7269         * testsuite/incremental_test.sh: New.
7270         * testsuite/incremental_test_1.c: New.
7271         * testsuite/incremental_test_2.c: New.
7272
7273 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7274
7275        * incremental-dump.cc (main): Fix typos.
7276
7277 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7278
7279         PR gold/11025
7280         * incremental-dump.cc (main): Use llu to print 64 bit values.
7281
7282 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7283             H.J. Lu  <hongjiu.lu@intel.com>
7284
7285         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7286         $(LIBDL).
7287         (incremental_dump_LDADD): Likewise.
7288         * Makefile.in: Regenerated.
7289
7290 2009-11-25  Doug Kwan  <dougkwan@google.com>
7291
7292         Revert:
7293
7294         2009-11-25  Doug Kwan  <dougkwan@google.com>
7295
7296                 * arm.cc (Target_arm::Target_arm): Move method definition
7297                 outside of class definition.  Add code to handle
7298                 --target1-rel, --target1-abs and --target2= options.
7299                 (Target_arm::get_reloc_reloc_type): Change method to be
7300                 non-static and const.
7301                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7302                 New data member declaration.
7303                 (Target_arm::Scan::local, Target_arm::Scan::global,
7304                 Target_arm::Relocate::relocate,
7305                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7306                 Adjust call to Target_arm::get_real_reloc_type.
7307                 (Target_arm::get_real_reloc_type): Use command line options
7308                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7309                 * options.h (--target1-rel, --target1-abs, --target2): New
7310                 ARM-only options.
7311
7312 2009-11-25  Doug Kwan  <dougkwan@google.com>
7313
7314         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7315         class definition.  Add code to handle --target1-rel, --target1-abs
7316         and --target2= options.
7317         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7318         and const.
7319         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7320         member declaration.
7321         (Target_arm::Scan::local, Target_arm::Scan::global,
7322         Target_arm::Relocate::relocate,
7323         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7324         call to Target_arm::get_real_reloc_type.
7325         (Target_arm::get_real_reloc_type): Use command line options to
7326         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7327         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7328         options.
7329
7330 2009-11-25  Doug Kwan  <dougkwan@google.com>
7331
7332         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7333         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7334         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7335         formatting.
7336         (Arm_relocate_functions::thm_call): Replace body with a call to
7337         Arm_relocate_functions::thumb_branch_common.
7338         (Arm_relocate_functions::thm_jump24,
7339         Arm_relocate_functions::thm_xpc22): New method definitions.
7340         (Arm_relocate_functions::thumb_branch_common): New method definition.
7341         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7342         operator.
7343         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7344         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7345
7346 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7347
7348         * Makefile.am: Build incremental-dump
7349         * Makefile.in: Regenerate.
7350         * incremental-dump.cc: New.
7351         * incremental.cc (Incremental_inputs_header_data,
7352         Incremental_inputs_entry_data): Move to incremental.h
7353         * incremental.h: (Incremental_inputs_header_data,
7354         Incremental_inputs_entry_data): Move from incremental.cc
7355
7356 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7357
7358         * incremental.cc (Incremental_inputs_header,
7359         Incremental_inputs_header_write, Incremental_inputs_entry,
7360         Incremental_inputs_entry_write): Add a typedef with the data type.
7361
7362 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7363
7364         * incremental.cc (Incremental_inputs_header,
7365         Incremental_inputs_header_write, Incremental_inputs_entry,
7366         Incremental_inputs_entry_write): Update comment about which
7367         type has the filed descriptions.
7368
7369 2009-11-15  Doug Kwan  <dougkwan@google.com>
7370
7371         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7372         (Arm_relocate_functions::arm_branch_common): Change method defintion
7373         in class definition to a method declaration and update list of formal
7374         parameters.
7375         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7376         Arm_relocation_functions::jump24): Adjust call to
7377         Arm_relocate_functions::arm_branch_common.  Update list of formal
7378         parameters.
7379         (Arm_relocate_functions::xpc25): New method definition.
7380         (Arm_relocate_functions::arm_branch_common): Move method defintion
7381         out from class definition.  Use stubs for mode-switching and extending
7382         branch ranges.
7383         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7384         specially.  Change code to enable use of stubs in ARM branches.
7385
7386 2009-11-10  Doug Kwan  <dougkwan@google.com>
7387
7388         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7389         in method declaration.
7390         (Target_arm::relocate_stub): New method declaration.
7391         (Target_arm::default_target): Change to return a pointer instead of
7392         a const reference.
7393         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7394         Target_arm::default_target.
7395         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7396         method definition.
7397         (Target_arm::relocate_section): Adjust view.
7398         (Target_arm::relocate_stub): New method definition.
7399
7400 2009-11-10  Doug Kwan  <dougkwan@google.com>
7401
7402         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7403         a format warning.
7404         * incremental.cc (open_incremental_binary): Initialized local
7405         variables to avoid warnings.
7406         * object.cc (make_elf_object): Ditto.
7407         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7408         a format warning.
7409
7410 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7411
7412         PR gold/10930
7413         * testsuite/plugin_test.c: Include "config.h".
7414
7415 2009-11-09  Doug Kwan  <dougkwan@google.com>
7416
7417         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7418         (arm_symbol_value): Remove.
7419         (Arm_relocate_functions::arm_branch_common,
7420         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7421         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7422         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7423         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7424         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7425         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7426         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7427         Arm_relocate_functions::thm_mobw_abs_nc,
7428         Arm_relocate_functions::thm_mov_abs,
7429         Arm_relocate_functions::movw_prel_nc,
7430         Arm_relocate_functions::thm_movt_abs,
7431         Arm_relocate_functions::movt_prel,
7432         Arm_relocate_functions::thm_movw_prel_nc,
7433         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7434         (Target_arm::Relocate::relocate): Only decompose address into two
7435         parts if relocation type uses the thumb-bit and pass the actual
7436         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7437         calls to methods in Arm_relocate_functions for this change.
7438
7439 2009-11-08  Ian Lance Taylor  <iant@google.com>
7440
7441         PR 10925
7442         * reloc.cc: Instantiate
7443         Sized_relobj::initialize_input_to_output_maps and
7444         Sized_relobj:free_input_to_output_maps.
7445
7446 2009-11-06  Ian Lance Taylor  <iant@google.com>
7447
7448         PR 10876
7449         * defstd.cc (in_segment): Set only_if_ref true for "end".
7450
7451 2009-11-06  Doug Kwan  <dougkwan@google.com>
7452
7453         * arm.cc (class Reloc_stub): Correct a comment.
7454         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7455         (Target_arm::scan_section_for_stubs): New method declaration.
7456         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7457         Change methods from private to protected.
7458         (Target_arm::do_may_relax): New method definition.
7459         (Target_arm::do_relax, Target_arm::group_sections,
7460         Target_arm::scan_reloc_for_stub,
7461         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7462         (Target_arm::arm_input_section_map_): New data member declaration.
7463         (Target_arm::scan_reloc_for_stub,
7464         Target_arm::scan_reloc_section_for_stubs,
7465         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7466         Target_arm::do_relax): New method definitions.
7467
7468 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7469
7470         * configure.ac: Check for (struct stat)::st_mtim
7471         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7472         * config.in: Regenerate.
7473         * configure: Regenerate.
7474
7475 2009-11-05  Ian Lance Taylor  <iant@google.com>
7476
7477         PR 10910
7478         * output.cc (Output_segment::add_output_section): Add missing
7479         return statement.
7480
7481 2009-11-04  Ian Lance Taylor  <iant@google.com>
7482
7483         PR 10880
7484         * object.h (class Object): Add is_needed and set_is_needed
7485         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7486         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7487         defined in a dynamic object and referenced by a regular object,
7488         set is_needed for the dynamic object.
7489         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7490         if the file is marked with as_needed and it is not needed.
7491
7492 2009-11-04  Ian Lance Taylor  <iant@google.com>
7493
7494         PR 10887
7495         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7496         tags if data is discarded by linker script.
7497         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7498         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7499         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7500         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7501
7502 2009-11-04  Ian Lance Taylor  <iant@google.com>
7503
7504         * layout.cc (Layout::get_output_section): Add is_interp and
7505         is_dynamic_linker_section parameters.  Change all callers.
7506         (Layout::choose_output_section): Likewise.
7507         (Layout::make_output_section): Likewise.
7508         (Layout::add_output_section_data): Add is_dynamic_linker_section
7509         parameter.  Change all callers.
7510         * layout.h (class Layout): Update declarations.
7511         * output.h (class Output_section): Add is_interp, set_is_interp,
7512         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7513         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7514         generate_code_fills_at_write_ to a bitfield.
7515         * output.cc (Output_section::Output_sections): Initialize new
7516         fields.
7517         (Output_segment::add_output_section): Add do_sort parameter.
7518         Change all callers.
7519
7520 2009-11-03  Ian Lance Taylor  <iant@google.com>
7521
7522         PR 10860
7523         * options.h (class General_options): Add --warn-common.
7524         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7525         merging two common symbols.
7526         (Symbol_table::should_override): Handle --warn-common when merging
7527         a common symbol with a defined symbol.  Use report_resolve_problem
7528         for multiple definitions.
7529         (Symbol_table::report_resolve_problem): New function.
7530         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7531
7532 2009-11-03  Doug Kwan  <dougkwan@google.com>
7533
7534         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7535         stub_factory_.
7536         (Target_arm::stub_factory): New method definition.
7537         (Target_arm::new_arm_input_section,
7538         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7539         Target_arm::reloc_uses_thumb_bit): New method declarations.
7540         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7541         New type definitions.
7542         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7543         member declarations.
7544         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7545         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7546         New method definitions.
7547
7548 2009-11-03  Ian Lance Taylor  <iant@google.com>
7549
7550         * options.h (class General_options): Add --warn_constructors.
7551
7552 2009-11-03  Ian Lance Taylor  <iant@google.com>
7553
7554         PR 10893
7555         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7556         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7557
7558 2009-11-03  Ian Lance Taylor  <iant@google.com>
7559
7560         PR 10895
7561         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7562         --msgid-bugs-address.
7563         (install-pdf): New target.
7564         (install-data_yes): Look up one directory to find mkinstalldirs.
7565
7566 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7567
7568         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7569         tree.
7570
7571 2009-10-30  Doug Kwan  <dougkwan@google.com>
7572
7573         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7574
7575 2009-10-30  Doug Kwan  <dougkwan@google.com>
7576
7577         * arm.cc (Stub_addend_reader): New struct template definition
7578         and partial specializations.
7579         (Stub_addend_reader::operator()): New method definition for a
7580         partially specialized template.
7581
7582 2009-10-30  Doug Kwan  <dougkwan@google.com>
7583
7584         * arm.cc (Arm_relobj::processor_specific_flags): New method
7585         definition.
7586         (Arm_relobj::do_read_symbols): New method declaration.
7587         (Arm_relobj::processor_specific_flags_): New data member declaration.
7588         (Arm_dynobj): New class definition.
7589         (Target_arm::do_finalize_sections): Add input_objects parameter.
7590         (Target_arm::do_adjust_elf_header): New method declaration.
7591         (Target_arm::are_eabi_versions_compatible,
7592         (Target_arm::merge_processor_specific_flags): New method declaration.
7593         (Target_arm::do_make_elf_object): New overloaded method definitions
7594         and declaration.
7595         (Arm_relobj::do_read_symbols): New method definition.
7596         (Arm_dynobj::do_read_symbols): Ditto.
7597         (Target_arm::do_finalize_sections): Add input_objects parameters.
7598         Merge processor-specific flags from all input objects.
7599         (Target_arm::are_eabi_versions_compatible,
7600         Target_arm::merge_processor_specific_flags,
7601         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7602         New method definitions.
7603         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7604         Input_objects pointer type parameter.
7605         * layout.cc (Layout::finalize): Pass input objects to target's.
7606         finalize_sections function.
7607         * output.cc (Output_file_header::do_sized_write): Set ELF file
7608         header's processor-specific flags.
7609         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7610         Input_objects pointer type parameter.
7611         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7612         * target.h (Input_objects): New forward class declaration.
7613         (Target::processor_specific_flags,
7614         Target::are_processor_specific_flags_sect): New method definitions.
7615         (Target::finalize_sections): Add input_objects parameter.
7616         (Target::Target): Initialize processor_specific_flags_ and
7617         are_processor_specific_flags_set_.
7618         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7619         parameter.
7620         (Target::set_processor_specific_flags): New method definition.
7621         (Target::processor_specific_flags_,
7622         Target::are_processor_specific_flags_set_): New data member
7623         declarations.
7624         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7625         Input_objects pointer type parameter.
7626
7627 2009-10-30  Doug Kwan  <dougkwan@google.com>
7628
7629         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7630
7631 2009-10-28  Ian Lance Taylor  <iant@google.com>
7632
7633         * object.h (class Relobj): Drop options parameter from
7634         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7635         do_scan_relocs, do_relocate.  Change all callers.
7636         (class Sized_relobj): Drop options parameters from
7637         do_gc_process_relocs, do_scan_relocs, do_relocate,
7638         do_relocate_sections, relocate_sections, emit_relocs_scan,
7639         emit_relocs_scan_reltype.  Change all callers.
7640         (struct Relocate_info): Remove options field and all references to
7641         it.
7642         * reloc.h (class Read_relocs): Remove options constructor
7643         parameter and options_ field.  Change all callers.
7644         (class Gc_process_relocs, class Scan_relocs): Likewise.
7645         (class Relocate_task): Likewise.
7646         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7647         all callers.
7648         (scan_relocatable_relocs): Likewise.
7649         * target.h (class Sized_target): Remove options parameter from
7650         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7651         all callers.
7652         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7653         callers.
7654         * arm.cc: Update functions to remove options parameters.
7655         * i386.cc: Likewise.
7656         * powerpc.cc: Likewise.
7657         * sparc.cc: Likewise.
7658         * x86_64.cc: Likewise.
7659         * testsuite/testfile.cc: Likewise.
7660
7661 2009-10-28  Doug Kwan  <dougkwan@google.com>
7662
7663         * arm.cc (Arm_relobj): New class definition.
7664         (Arm_relobj::scan_sections_for_stubs,
7665         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7666         New method definitions.
7667
7668 2009-10-28  Cary Coutant  <ccoutant@google.com>
7669
7670         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7671         (Plugin::cleanup_done_): New member.
7672         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7673         (Plugin_manager::cleanup_done_): Remove.
7674         (Plugin_manager::add_input_file): Edit error message.
7675         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7676         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7677
7678 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7679
7680         * fileread.cc: (File_read::View::~View): Use the new
7681         data_ownership_ filed.
7682         (File_read::~File_read): Dispose the new whole_file_view_.
7683         (File_read::open): Mmap the whole file if needed.
7684         (File_read::open): Use whole_file_view_ instead of contents_.
7685         (File_read::find_view): Use whole_file_view_ if applicable.
7686         (File_read::do_read): Use whole_file_view_ instead of contents_.
7687         (File_read::make_view): Use whole_file_view_ instead of contents_,
7688         update File_read::View::View call.
7689         (File_read::find_or_make_view): Update File_read::View::View
7690         call.
7691         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7692         remove contents_
7693         (File_read::View::Data_ownership): New enum.
7694         (File_read::View::View): Replace bool mapped_ with Data_ownership
7695         argument.
7696         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7697         (File_read::View::data_ownership_): New field.
7698         (File_read::contents_): Remove (replaced by whole_file_view_).
7699         (File_read::whole_file_view_): New field.
7700         * options.h (class General_options): Add --keep-files-mapped.
7701
7702 2009-10-27  Cary Coutant  <ccoutant@google.com>
7703
7704         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7705         * testsuite/Makefile.am (plugin_test_5): New test case.
7706         * testsuite/Makefile.in: Regenerate.
7707
7708 2009-10-25  Doug Kwan  <dougkwan@google.com>
7709
7710         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7711         from private to protected to allow access by child class.
7712         (Sized_relobj::do_relocate_sections): New method declaration.
7713         (Sized_relobj::relocate_sections): Virtualize.
7714         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7715         Sized_relobj::relocate_sections.  Instantiate template explicitly
7716         for different target sizes and endianity.
7717
7718 2009-10-24  Doug Kwan  <dougkwan@google.com>
7719
7720         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7721         (Arm_input_section::as_arm_input_section): New method.
7722         (Arm_output_section): New class definition.
7723         (Arm_output_section::create_stub_group,
7724         Arm_output_section::group_sections): New method definitions.
7725
7726 2009-10-22  Doug Kwan  <dougkwan@google.com>
7727
7728         * arm.cc (Arm_input_section): New class definition.
7729         (Arm_input_section::init, Arm_input_section:do_write,
7730         Arm_input_section::set_final_data_size,
7731         Arm_input_section::do_reset_address_and_file_offset): New method
7732         definitions.
7733
7734 2009-10-21  Doug Kwan  <dougkwan@google.com>
7735
7736         * arm.cc (Stub_table, Arm_input_section): New forward class
7737         declarations.
7738         (Stub_table): New class defintion.
7739         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7740         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7741         New method definition.
7742
7743 2009-10-21  Doug Kwan  <dougkwan@google.com>
7744
7745         * arm.cc: Update copyright comments.
7746         (Target_arm): New forward class template declaration.
7747         (Arm_address): New type.
7748         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7749         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7750         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7751         constants.
7752         (Insn_template): Same.
7753         (DEF_STUBS): New macro.
7754         (Stub_type): New enum type.
7755         (Stub_template): New class definition.
7756         (Stub): Same.
7757         (Reloc_stub): Same.
7758         (Stub_factory): Same.
7759         (Target_arm::Target_arm): Initialize may_use_blx_ and
7760         should_force_pic_veneer_.
7761         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7762         Target_arm::should_force_pic_veneer,
7763         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7764         Target_arm::using_thumb_only, Target_arm:;default_target): New
7765         method defintions.
7766         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7767         New data member declarations.
7768         (Insn_template::size, Insn_template::alignment): New method defintions.
7769         (Stub_template::Stub_template): New method definition.
7770         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7771         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7772         (Stub_factory::Stub_factory): New method definition.
7773         * gold.h (string_hash): New template.
7774         * output.h (Input_section_specifier::hash_value): Use
7775         gold::string_hash.
7776         (Input_section_specifier::string_hash): Remove.
7777         * stringpool.cc (Stringpool_template::string_hash): Use
7778         gold::string_hash.
7779
7780 2009-10-20  Doug Kwan  <dougkwan@google.com>
7781
7782         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7783         symbols of relaxed input sections.
7784         * output.h (Output_section::find_relaxed_input_section): Make
7785         method public.
7786
7787 2009-10-16  Doug Kwan  <dougkwan@google.com>
7788
7789         * dynobj.cc (Versions::Versions): Initialize version_script_.
7790         Only insert base version symbol definition for a shared object
7791         if version script defines any version versions.
7792         (Versions::define_base_version): New method definition.
7793         (Versions::add_def): Check that base version is not needed.
7794         (Versions::add_need): Define base version lazily.
7795         * dynobj.h (Versions::define_base_version): New method declaration.
7796         (Versions::needs_base_version_): New data member declaration.
7797         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7798         (check_DATA): Add no_version_test.stdout.
7799         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7800         New make rules.
7801         * testsuite/Makefile.in: Regenerate.
7802         * testsuite/no_version_test.c: New file.
7803         * testsuite/no_version_test.sh: Ditto.
7804
7805 2009-10-16  Doug Kwan  <dougkwan@google.com>
7806
7807         * expression.cc (class Segment_start_expression): New class definition.
7808         (Segment_start_expression::value): New method definition.
7809         (script_exp_function_segment_start): Return a new
7810         Segment_start_expression.
7811         * gold/script-c.h (script_saw_segment_start_expression): New function
7812         prototype.
7813         * script-sections.cc (Script_sections::Script_sections): Initialize
7814         SAW_SEGMENT_START_EXPRESSION_ to false.
7815         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7816         and -Tbbs options to specify section addresses if given in
7817         command line and no SEGMENT_START expression is seen in a script.
7818         * script-sections.h (Script_sections::saw_segment_start_expression,
7819         Script_sections::set_saw_segment_start_expression): New method
7820         definition.
7821         (Script_sections::saw_segment_start_expression_): New data member
7822         declaration.
7823         * script.cc (script_saw_segment_start_expression): New function.
7824         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7825         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7826         script_test_7.sh and script_test_8.sh.
7827         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7828         script_test_8.stdout.
7829         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7830         (script_test_6, script_test_6.stdout, script_test_7,
7831         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7832         * Makefile.in: Regenerate.
7833         * testsuite/script_test_6.sh: New file.
7834         * testsuite/script_test_6.t: Same.
7835         * testsuite/script_test_7.sh: Same.
7836         * testsuite/script_test_7.t: Same.
7837         * testsuite/script_test_8.sh: Same.
7838
7839 2009-10-16  Doug Kwan  <dougkwan@google.com>
7840
7841         * output.cc (Output_segment::set_section_list_address): Cast
7842         expressions to unsigned long long type to avoid format warnings.
7843
7844 2009-10-15  Ian Lance Taylor  <iant@google.com>
7845
7846         * script.cc (Script_options::add_symbol_assignment): Always add a
7847         dot assignment to script_sections_.
7848         * script-sections.cc (Script_sections::add_dot_assignment):
7849         Initialize if necessary.
7850
7851         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7852         program headers with no load segment if there is a linker script.
7853
7854         * layout.cc (Layout::set_segment_offsets): Align the file offset
7855         to the segment aligment for -N or -n with no load segment.
7856         * output.cc (Output_segment::add_output_section): Don't crash if
7857         the first section is a TLS section.
7858         (Output_segment::set_section_list_addresses): Print an error
7859         message if the address moves backward in a linker script.
7860         * script-sections.cc
7861         (Output_section_element_input::set_section_addresses): Don't
7862         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7863         (Orphan_output_section::set_section_addresses): Likewise.
7864
7865 2009-10-15  Doug Kwan  <dougkwan@google.com>
7866
7867         * layout.cc (Layout::finish_dynamic_section): Generate tags
7868         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7869         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7870         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7871
7872 2009-10-14  Ian Lance Taylor  <iant@google.com>
7873
7874         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7875         fields.
7876         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7877         data_shdr fields of relinfo.
7878         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7879         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7880         R_386_TLS_LDO_32, adjust based on section flags.
7881         (Target_i386::Relocate::fix_up_ldo): Remove.
7882
7883 2009-10-13  Ian Lance Taylor  <iant@google.com>
7884
7885         Add support for -pie.
7886         * options.h (class General_options): Add -pie and
7887         --pic-executable.
7888         (General_options::output_is_position_independent): Test -pie.
7889         (General_options::output_is_executable): Return true if not shared
7890         and not relocatable.
7891         (General_options::output_is_pie): Remove.
7892         * options.cc (General_options::finalize): Reject incompatible uses
7893         of -pie.
7894         * gold.cc (queue_middle_tasks): A -pie link is not static.
7895         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7896         * symtab.cc (Symbol::final_value_is_known): Return false if
7897         output_is_position_independent.
7898         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7899         output_is_position_independent.
7900         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7901         output_is_position_independent.
7902         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7903         output_is_position_independent.
7904         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7905         two_file_pie_test.
7906         (basic_pie_test.o, basic_pie_test): New targets.
7907         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7908         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7909         (two_file_pie_test): New target.
7910         * testsuite/Makefile.in: Rebuild.
7911         * README: Remove note saying that -pie is not supported.
7912
7913 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7914
7915         * options.h (class General_options): Add -init and -fini.
7916         * layout.cc (Layout::finish_dynamic_section): Emit
7917         given init and fini functions.
7918
7919 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7920
7921         * gc.h (gc_process_relocs): Check if icf is enabled using new
7922         function.
7923         * gold.cc (queue_initial_tasks): Likewise.
7924         (queue_middle_tasks): Likewise.
7925         * object.cc (do_layout): Likewise.
7926         * symtab.cc (is_section_folded): Likewise.
7927         * main.cc (main): Likewise.
7928         * reloc.cc (Read_relocs::run): Likewise.
7929         (Sized_relobj::do_scan_relocs): Likewise.
7930         * icf.cc (is_function_ctor_or_dtor): New function.
7931         (Icf::find_identical_sections): Check if function is ctor or dtor when
7932         safe icf is chosen.
7933         * options.h (General_options::icf): Change option to be an enum.
7934         (Icf_status): New enum.
7935         (icf_enabled): New method.
7936         (icf_safe_folding): New method.
7937         (set_icf_status): New method.
7938         (icf_status_): New variable.
7939         * (options.cc) (General_options::finalize): Set icf_status_.
7940         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7941         icf_test and icf_keep_unique_test to use the --icf enum flag.
7942         * testsuite/icf_safe_test.sh: New file.
7943         * testsuite/icf_safe_test.cc: New file.
7944
7945 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7946
7947         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7948         includes to gc.h and icf.h.
7949         * arm.cc: Include gc.h.
7950         * gold.cc: Likewise.
7951         * i386.cc: Likewise.
7952         * powerpc.cc: Likewise.
7953         * sparc.cc: Likewise.
7954         * x86_64.cc: Likewise.
7955         * gc.h: Include icf.h.
7956
7957 2009-10-11  Ian Lance Taylor  <iant@google.com>
7958
7959         * plugin.cc: Include "gold.h" before other header files.
7960
7961 2009-10-10  Chris Demetriou  <cgd@google.com>
7962
7963         * options.h (Input_file_argument::Input_file_type): New enum.
7964         (Input_file_argument::is_lib_): Replace with...
7965         (Input_file_argument::type_): New member.
7966         (Input_file_argument::Input_file_argument): Take Input_file_type
7967         'type' rather than boolean 'is_lib' as second argument.
7968         (Input_file_argument::is_lib): Use type_.
7969         (Input_file_argument::is_searched_file): New function.
7970         (Input_file_argument::may_need_search): Handle is_searched_file.
7971         * options.cc (General_options::parse_library): Support -l:filename.
7972         (General_options::parse_just_symbols): Update for Input_file_argument
7973         changes.
7974         (Command_line::process): Likewise.
7975         * archive.cc (Archive::get_file_and_offset): Likewise.
7976         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7977         * script.cc (read_script_file, script_add_file): Likewise.
7978         * fileread.cc (Input_file::Input_file): Likewise.
7979         (Input_file::will_search_for): Handle is_searched_file.
7980         (Input_file::open): Likewise.
7981         * readsyms.cc (Read_symbols::get_name): Likewise.
7982         * testsuite/Makefile.am (searched_file_test): New test.
7983         * testsuite/Makefile.in: Regenerate.
7984         * testsuite/searched_file_test.cc: New file.
7985         * testsuite/searched_file_test_lib.cc: New file.
7986
7987 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7988             Ian Lance Taylor  <iant@google.com>
7989
7990         * descriptor.cc: Include <cstdio> and "binary-io.h".
7991         (Descriptors::open): Open the files in binary mode always.
7992         * script.cc (Lex::get_token): Treat \r as whitespace.
7993
7994 2009-10-09  Ian Lance Taylor  <iant@google.com>
7995
7996         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7997
7998 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7999             Ian Lance Taylor  <iant@google.com>
8000
8001         * configure.ac: Check for readv function also.
8002         * fileread.cc (readv): Define if not HAVE_READV.
8003         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8004         does not exist.
8005         * config.in: Regenerate.
8006         * configure: Regenerate.
8007
8008 2009-10-09  Doug Kwan  <dougkwan@google.com>
8009
8010         * layout.cc (Layout::make_output_section): Call target hook to make
8011         ordinary output section.
8012         (Layout::finalize): Adjust parameter list of call the
8013         Target::may_relax().
8014         * layout.h (class Layout::section_list): New method.
8015         * merge.h (Output_merge_base::entsize): Change visibility to public.
8016         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8017         New methods.
8018         (Output_merge_string::do_is_string): New method.
8019         * object.cc (Sized_relobj::do_setup): renamed from
8020         Sized_relobj::set_up.
8021         * object.h (Sized_relobj::adjust_shndx,
8022         Sized_relobj::initializ_input_to_output_maps,
8023         Sized_relobj::free_input_to_output_maps): Change visibilities to
8024         protected.
8025         (Sized_relobj::setup): Virtualize.
8026         (Sized_relobj::do_setup): New method declaration.
8027         (Sized_relobj::invalidate_section_offset,
8028         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8029         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8030         * options.cc (parse_int): New function.
8031         * options.h (parse_int): New declaration.
8032         (DEFINE_int): New macro.
8033         (stub_group_size): New option.
8034         * output.cc (Output_section::Output_section): Initialize memebers
8035         merge_section_map_, merge_section_by_properties_map_,
8036         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8037         (Output_section::add_input_section): Handled deferred code-fill
8038         generation and remove an old comment.
8039         (Output_section::add_relaxed_input_section): New method definition.
8040         (Output_section::add_merge_input_section): Use merge section by
8041         properties map to speed to search.  Update merge section maps
8042         as appropriate.
8043         (Output_section::build_relaxation_map): New method definition.
8044         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8045         Same.
8046         (Output_section::relax_input_section): Renamed to
8047         Output_section::convert_input_sections_to_relaxed_sections and change
8048         interface to take a vector of pointers to relaxed sections.
8049         (Output_section::find_merge_section,
8050         Output_section::find_relaxed_input_section): New method definitions.
8051         (Output_section::is_input_address_mapped,
8052         Output_section::output_offset, Output_section::output_address):
8053         Use output section data maps to speed up searching.
8054         (Output_section::find_starting_output_address): Add comments.
8055         (Output_section::do_write,
8056         Output_section::write_to_postprocessing_buffer): Do code-fill
8057         generation as appropriate.
8058         (Output_section::get_input_sections): Invalidate relaxed input section
8059         map.
8060         (Output_section::restore_states): Adjust type of checkpoint .
8061         Invalidate relaxed input section map.
8062         * output.h (Output_merge_base): New class declaration.
8063         (Input_section_specifier): New class defintion.
8064         (class Output_relaxed_input_section) Change base class to
8065         Output_section_data_build.
8066         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8067         base class initializer.
8068         (Output_section::add_relaxed_input_section): New method declaration.
8069         (Output_section::Input_section): Change visibility to protected.
8070         (Output_section::Input_section::relobj,
8071         Output_section::Input_section::shndx): Handle relaxed input sections.
8072         Output_section::input_sections) Change visibility to protected.  Also
8073         define overload to return a non-const pointer.
8074         (Output_section::Merge_section_properties): New class defintion.
8075         (Output_section::Merge_section_by_properties_map,
8076         Output_section::Output_section_data_by_input_section_map,
8077         Output_section::Relaxation_map): New types.
8078         (Output_section::relax_input_section): Rename method to
8079         Output_section::convert_input_sections_to_relaxed_sections and change
8080         interface to take a vector of relaxed section pointers.
8081         (Output_section::find_merge_section,
8082         Output_section::find_relaxed_input_section,
8083         Output_section::build_relaxation_map,
8084         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8085         New method declarations.
8086         (Output_section::merge_section_map_
8087         Output_section::merge_section_by_properties_map_,
8088         Output_section::relaxed_input_section_map_,
8089         Output_section::is_relaxed_input_section_map_valid_,
8090         Output_section::generate_code_fills_at_write_): New data members.
8091         * script-sections.cc
8092         (Output_section_element_input::set_section_addresses): Call
8093         current_data_size and addralign methods of relaxed input sections.
8094         (Orphan_output_section::set_section_addresses): Call current_data_size
8095         and addralign methods of relaxed input sections.
8096         * symtab.cc (Symbol_table::compute_final_value): Extract template
8097         from the body of Symbol_table::sized_finalize_symbol.
8098         (Symbol_table::sized_finalized_symbol): Call
8099         Symbol_table::compute_final_value.
8100         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8101         (Symbol_table::compute_final_value): New templated method declaration.
8102         * target.cc (Target::do_make_output_section): New method defintion.
8103         * target.h (Target::make_output_section): New method declaration.
8104         (Target::relax): Add more parameters for input objects, symbol table
8105         and layout.  Adjust call to do_relax.
8106         (Target::do_make_output_section): New method declaration.
8107         (Target::do_relax): Add parameters for input objects, symbol table
8108         and layout.
8109
8110 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8111
8112         * pread.c: Include stdio.h.
8113
8114 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8115
8116         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8117         defined.
8118
8119 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8120
8121         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8122         Change read_shndx type to unsigned int.
8123         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8124         int.
8125         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8126         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8127         Change read_shndx type to unsigned int.
8128         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8129         int.
8130         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8131         * layout.cc (Layout::create_symtab_sections): Cast the result of
8132         local_symcount * symsize to off_t in the gold_assert.
8133
8134 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8135
8136         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8137         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8138         R_ARM_BASE_ABS.
8139         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8140         (Arm_relocate_functions::thm_abs5): New function.
8141         (Arm_relocate_functions::abs12): New function.
8142         (Arm_relocate_functions::abs16): New function.
8143         (Arm_relocate_functions::base_abs): New function.
8144         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8145         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8146         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8147         R_ARM_BASE_ABS.
8148         (Scan::global): Likewise.
8149         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8150         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8151         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8152         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8153         R_ARM_BASE_ABS.
8154
8155 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8156
8157         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8158         (Arm_relocate_functions::movt_prel): New function.
8159         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8160         (Arm_relocate_functions::thm_movt_prel): New function.
8161         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8162         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8163         (Scan::global, Relocate::relocate): Likewise.
8164         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8165
8166 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8167
8168         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8169         Incremental_checker.
8170         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8171         unsigned int.
8172         (class Incremental_inputs_header): New class.
8173         (Incremental_inputs_header_writer): Edit comment.
8174         (Incremental_inputs_entry): New class.
8175         (Incremental_inputs_entry_writer): Edit comment.
8176         (Sized_incremental_binary::do_find_incremental_inputs_section):
8177         Add *strtab_shndx parameter, fill it.
8178         (Sized_incremental_binary::do_check_inputs): New method.
8179         (Incremental_checker::can_incrementally_link_output_file): Use
8180         Sized_incremental_binary::check_inputs.
8181         (Incremental_inputs::report_command_line): Save command line in
8182         command_line_.
8183         * incremental.h:
8184         (Incremental_binary::find_incremental_inputs_section): New
8185         method.
8186         (Incremental_binary::do_find_incremental_inputs_section): Add
8187         strtab_shndx parameter.
8188         (Incremental_binary::do_check_inputs): New pure virtual method.
8189         (Sized_incremental_binary::do_check_inputs): Declare.
8190         (Incremental_checker::Incremental_checker): Add incremental_inputs
8191         parameter, use it to initialize incremental_inputs_.
8192         (Incremental_checker::incremental_inputs_): New field.
8193         (Incremental_checker::command_line): New method.
8194         (Incremental_checker::inputs): New method.
8195         (Incremental_checker::command_line_): New field.
8196
8197 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8198
8199         * incremental.cc: Include <cstdarg> and "target-select.h".
8200         (vexplain_no_incremental): New function.
8201         (explain_no_incremental): New function.
8202         (Incremental_binary::error): New method.
8203         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8204         method.
8205         (make_sized_incremental_binary): New function.
8206         (open_incremental_binary): New function.
8207         (can_incrementally_link_file): Add checks if output is ELF and has
8208         inputs section.
8209         * incremental.h: Include "elfcpp_file.h" and "output.h".
8210         (Incremental_binary): New class.
8211         (Sized_incremental_binary): New class.
8212         (open_incremental_binary): Declare.
8213         * object.cc (is_elf_object): Use
8214         elfcpp::Elf_recognizer::is_elf_file.
8215         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8216         * output.h (Output_file::filesize): New method.
8217
8218 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8219
8220         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8221         New function.
8222         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8223         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8224         function.
8225         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8226         function.
8227         (Arm_relocate_functions::movw_abs_nc): New function.
8228         (Arm_relocate_functions::movt_abs): New function.
8229         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8230         (Arm_relocate_functions::thm_movt_abs): New function.
8231         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8232         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8233         (Scan::global): Likewise.
8234         (Relocate::relocate): Likewise.
8235         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8236
8237 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8238
8239         * arm.cc (Arm_relocate_functions::got_prel) New function.
8240         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8241         (Relocate::relocate): Likewise.
8242         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8243
8244 2009-10-06  Ian Lance Taylor  <iant@google.com>
8245
8246         * options.h (class General_options): Define
8247         split_stack_adjust_size parameter.
8248         * object.h (class Object): Add uses_split_stack_ and
8249         has_no_split_stack_ fields.  Add uses_split_stack and
8250         has_no_split_stack accessor functions.  Declare
8251         handle_split_stack_section.
8252         (class Reloc_symbol_changes): Define.
8253         (class Sized_relobj): Define Function_offsets.  Declare
8254         split_stack_adjust, split_stack_adjust_reltype, and
8255         find_functions.
8256         * object.cc (Object::handle_split_stack_section): New function.
8257         (Sized_relobj::do_layout): Call handle_split_stack_section.
8258         * dynobj.cc (Sized_dynobj::do_layout): Call
8259         handle_split_stack_section.
8260         * reloc.cc (Sized_relobj::relocate_sections): Call
8261         split_stack_adjust for executable sections in split_stack
8262         objects.  Pass reloc_map to relocate_section.
8263         (Sized_relobj::split_stack_adjust): New function.
8264         (Sized_relobj::split_stack_adjust_reltype): New function.
8265         (Sized_relobj::find_functions): New function.
8266         * target-reloc.h: Include "object.h".
8267         (relocate_section): Add reloc_symbol_changes parameter.  Change
8268         all callers.
8269         * target.h (class Target): Add calls_non_split method.  Declare
8270         do_calls_non_split virtual method.  Declare match_view and
8271         set_view_to_nop.
8272         * target.cc: Include "elfcpp.h".
8273         (Target::do_calls_non_split): New function.
8274         (Target::match_view): New function.
8275         (Target::set_view_to_nop): New function.
8276         * gold.cc (queue_middle_tasks): Give an error if mixing
8277         split-stack and non-split-stack objects with -r.
8278         * i386.cc (Target_i386::relocate_section): Add
8279         reloc_symbol_changes parameter.
8280         (Target_i386::do_calls_non_split): New function.
8281         * x86_64.cc (Target_x86_64::relocate_section): Add
8282         reloc_symbol_changes parameter.
8283         (Target_x86_64::do_calls_non_split): New function.
8284         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8285         parameter.
8286         * powerpc.cc (Target_powerpc::relocate_section): Add
8287         reloc_symbol_changes parameter.
8288         * sparc.cc (Target_sparc::relocate_section): Add
8289         reloc_symbol_changes parameter.
8290         * configure.ac: Call AM_CONDITIONAL for the default target.
8291         * configure: Rebuild.
8292         * testsuite/Makefile.am (TEST_AS): New variable.
8293         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8294         (check_DATA): Add split_i386 and split_x86_64 files.
8295         (SPLIT_DEFSYMS): Define.
8296         (split_i386_[1234n].o): New targets.
8297         (split_i386_[124]): New targets.
8298         (split_i386_[1234r].stdout): New targets.
8299         (split_x86_64_[1234n].o): New targets.
8300         (split_x86_64_[124]): New targets.
8301         (split_x86_64_[1234r].stdout): New targets.
8302         (MOSTLYCLEANFILES): Add new executables.
8303         * testsuite/split_i386.sh: New file.
8304         * testsuite/split_x86_64.sh: New file.
8305         * testsuite/split_i386_1.s: New file.
8306         * testsuite/split_i386_2.s: New file.
8307         * testsuite/split_i386_3.s: New file.
8308         * testsuite/split_i386_4.s: New file.
8309         * testsuite/split_i386_n.s: New file.
8310         * testsuite/split_x86_64_1.s: New file.
8311         * testsuite/split_x86_64_2.s: New file.
8312         * testsuite/split_x86_64_3.s: New file.
8313         * testsuite/split_x86_64_4.s: New file.
8314         * testsuite/split_x86_64_n.s: New file.
8315         * testsuite/testfile.cc (Target_test): Update relocation_section
8316         function.
8317         * testsuite/Makefile.in: Rebuild.
8318
8319 2009-10-06  Ian Lance Taylor  <iant@google.com>
8320
8321         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8322         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8323         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8324         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8325         the address on ldo_addrs_.
8326         (Target_i386::Relocate::fix_up_ldo): New function.
8327
8328 2009-10-06   Rafael Espindola  <espindola@google.com>
8329
8330         * plugin.cc (add_input_library): New.
8331         (Plugin::load): Add add_input_library to tv.
8332         (Plugin_manager::add_input_file): Add the is_lib argument.
8333         (add_input_file): Update call to Plugin_manager::add_input_file.
8334         (add_input_library): New.
8335         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8336
8337 2009-09-30  Doug Kwan  <dougkwan@google.com>
8338
8339         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8340         symbol and call Symbol::may_need_copy_reloc to determine if
8341         a copy reloc is needed.
8342         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8343         nocopyreloc is given in command line.
8344         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8345         given in command line.
8346         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8347         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8348         of the removed Target_i386::may_need_copy_reloc.
8349         * options.h (copyreloc): New option with default value false.
8350         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8351         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8352         instead of the removed Target_powerpc::may_need_copy_reloc.
8353         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8354         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8355         instead of the removed Target_sparc::may_need_copy_reloc.
8356         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8357         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8358         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8359         instead of the removed Target_x86_64::may_need_copy_reloc.
8360
8361 2009-09-30  Ian Lance Taylor  <iant@google.com>
8362
8363         * object.h (class Object): Remove target_ field, and target,
8364         sized_target, and set_target methods.
8365         (Object::sized_target): Remove.
8366         (class Sized_relobj): Update declarations.  Remove sized_target.
8367         * object.cc (Sized_relobj::setup): Remove target parameter.
8368         Change all callers.
8369         (Input_objects::add_object): Don't do anything with the target.
8370         (make_elf_sized_object): Add punconfigured parameter.  Change all
8371         callers.  Set or test parameter target.
8372         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8373         Change all callers.
8374         * parameters.cc (Parameters::set_target): Change parameter type to
8375         be non-const.
8376         (Parameters::default_target): Remove.
8377         (set_parameters_target): Change parameter type to be non-const.
8378         (parameters_force_valid_target): New function.
8379         (parameters_clear_target): New function.
8380         * parameters.h (class Parameters): Update declarations.  Remove
8381         default_target method.  Add sized_target and clear_target
8382         methods.  Change target_ to be non-const.
8383         (set_parameters_target): Update declaration.
8384         (parameters_force_valid_target): Declare.
8385         (parameters_clear_target): Declare.
8386         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8387         as NULL if we aren't searching.
8388         (Add_symbols::run): Don't check for compatible target.
8389         * fileread.cc (Input_file::open_binary): Call
8390         parameters_force_valid_target.
8391         * gold.cc (queue_middle_tasks): Likewise.
8392         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8393         set_target on object.
8394         * dynobj.h (class Sized_dynobj): Update declarations.
8395         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8396         make_elf_object returns NULL.
8397         (Archive::include_member): Don't check whether object target is
8398         compatible.
8399         * output.cc (Output_section::add_input_section): Get target from
8400         parameters.
8401         (Output_section::relax_input_section): Likewise.
8402         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8403         parameters.
8404         (Sized_relobj::do_scan_relocs): Likewise.
8405         (Sized_relobj::relocate_sections): Likewise.
8406         * resolve.cc (Symbol_table::resolve): Likewise.
8407         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8408         parameter.  Change all callers.
8409         (Symbol_table::add_from_object): Get target from parameters.
8410         (Symbol_table::add_from_relobj): Don't check object target.
8411         (Symbol_table::add_from_dynobj): Likewise.
8412         (Symbol_table::define_special_symbol): Get target from
8413         parameters.
8414         * symtab.h (class Symbol_table): Update declaration.
8415         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8416         parameter.  Change all callers.  Clear parameter target.
8417         (Binary_test): Test target here.
8418         * testsuite/object_unittest.cc (gold_testsuite): Remove
8419         target_test_pointer parameter.  Change all callers.
8420         (Object_test): Test target here.
8421
8422 2009-09-26  Ian Lance Taylor  <iant@google.com>
8423
8424         * testsuite/initpri1.c: Don't try to use constructor priorities if
8425         compiling with gcc before 4.3.
8426
8427 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8428
8429         * testsuite/retain_symbols_file_test.sh (check_present): Change
8430         output file name to retain_symbols_file_test.stdout.
8431         (check_absent): Likewise.
8432
8433 2009-09-18  Craig Silverstein  <csilvers@google.com>
8434
8435         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8436         * options.cc: Include <cerrno> and <fstream>.
8437         (General_options::finalize): Parse -retain-symbols-file tag.
8438         * options.h: New flag.
8439         (General_options): New method should_retain_symbol, new
8440         variable symbols_to_retain.
8441         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8442         should_retain_symbol map.
8443         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8444         * testsuite/Makefile.in: Regenerate.
8445         * testsuite/retain_symbols_file_test.sh: New file.
8446
8447 2009-09-18  Nick Clifton  <nickc@redhat.com>
8448
8449         * po/es.po: Updated Spanish translation.
8450
8451 2009-09-17  Doug Kwan  <dougkwan@google.com>
8452
8453         * debug.h (DEBUG_RELAXATION): New constant.
8454         (DEBUG_ALL): Add DEBUG_RELAXATION.
8455         (debug_string_to_enum): Add relaxation debug option.
8456         * layout.cc
8457         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8458         Layout::Relaxation_debug_check::read_sections,
8459         Layout::Relaxation_debug_check::read_sections): New method definitions.
8460         (Layout::Layout): Initialize data members
8461         record_output_section_data_from_scrips_,
8462         script_output_section_data_list_ and relaxation_debug_check_.
8463         (Layout::save_segments, Layout::restore_segments,
8464         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8465         Layout::relaxation_loop_body): New method definitions.
8466         (Layout::finalize): Support relaxation.  Move section layout code to
8467         Layout::relaxation_loop_body.
8468         (Layout::set_asection_address_from_script): Move code for orphan
8469         section placement out.
8470         (Layout::place_orphan_sections_in_script): New method definition.
8471         * layout.h (Output_segment_headers, Output_file_header):
8472         New forward class declarations.
8473         (Layout::~Layout): Define.
8474         (Layout::new_output_section_data_from_script): New method definition.
8475         (Layout::place_orphan_sections_in_script): New method declaration.
8476         (Layout::Segment_states): New type declaration.
8477         (Layout::save_segments, Layout::restore_segments,
8478         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8479         Layout::relaxation_loop_body): New method declarations.
8480         (Layout::Output_section_data_list): New type declaration.
8481         (Layout::Relaxation_debug_check): New class definition.
8482         (Layout::record_output_section_data_from_script_,
8483         Layout::script_output_section_data_list_, Layout::segment_states_,
8484         Layout::relaxation_debug_check_): New data members.
8485         * output.cc: (Output_section_headers::do_size): New method definition.
8486         (Output_section_headers::Output_section_headers): Move size
8487         computation to Output_section_headers::do_size.
8488         (Output_segment_headers::do_size): New method definition.
8489         (Output_file_header::Output_file_header): Move size computation to
8490         Output_file_header::do_size and call it.
8491         (Output_file_header::do_size): New method definition.
8492         (Output_data_group::Output_data_group): Adjust call to
8493         Output_section_data.
8494         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8495         (Output_symtab_xindex::do_write): Add array bound check.
8496         (Output_section::Input_section::print_to_mapfile): Handle
8497         RELAXED_INPUT_SECTION_CODE.
8498         (Output_section::Output_section): Initialize data member checkpoint_.
8499         (Output_section::~Output_section): Delete checkpoint object pointed
8500         by checkpoint_.
8501         (Output_section::add_input_section): Always add an Input_section if
8502         relaxing.
8503         (Output_section::add_merge_input_section): Add assert.
8504         (Output_section::relax_input_section): New method definition.
8505         (Output_section::set_final_data_size): Set load address to zero for
8506         an unallocated section.
8507         (Output_section::do_address_and_file_offset_have_reset_values):
8508         New method definition.
8509         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8510         Handle relaxed input section.
8511         (Output_section::sort_attached_input_sections): Checkpoint input
8512         section list lazily.
8513         (Output_section::get_input_sections): Change type of input_sections to
8514         list of Simple_input_section pointers.  Checkpoint input section list
8515         lazily.  Also handle relaxed input sections.
8516         (Output_section::add_input_section_for_script): Take a reference to
8517         a Simple_input_section object instead of Relobj pointer and section
8518         index as parameter.  Handle relaxed input sections.
8519         (Output_section::save_states, Output_section::restore_states): New
8520         method definitions.
8521         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8522         (Output_data::is_data_size_fixed): New method definition.
8523         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8524         if it is fixed.
8525         (Output_data::address_and_file_offset_have_reset_values): New method
8526         definition.
8527         (Output_data::do_address_and_file_offset_have_reset_values): New method
8528         definition.
8529         (Output_data::set_data_size): Check that data size is not fixed.
8530         (Output_data::fix_data_size): New method definition.
8531         (Output_data::is_data_size_fixed_): New data member.
8532         (Output_section_headers::set_final_data_size): New method definition.
8533         (Output_section_headers::do_size): New method declaration.
8534         (Output_segment_headers::set_final_data_size): New method definition.
8535         (Output_segment_headers::do_size): New method declaration.
8536         (Output_file_header::set_final_data_size)::New method definition.
8537         (Output_file_header::do_size)::New method declaration.
8538         (Output_section_data::Output_section_data): Add new parameter
8539         is_data_size_fixed and use it to fix data size.
8540         (Output_data_const::Output_data_const): Adjust call to base class
8541         constructor and fix data size.
8542         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8543         base class constructor and fix data size.
8544         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8545         base class constructor and fix data size.
8546         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8547         class constructor and fix data size.
8548         (Output_data_group::set_final_data_size): New method definition.
8549         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8550         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8551         class constructor and fix data size.
8552         (Output_relaxed_input_section): New class definition.
8553         (Output_section::Simple_input_section): New class definition.
8554         (Output_section::get_input_sections): Adjust parameter list.
8555         (Output_section::add_input_section_for_script): Same.
8556         (Output_section::save_states, Output_section::restore_states,
8557         Output_section::do_address_and_file_offset_have_reset_values,
8558         (Output_section::Input_section::Input_section): Handle
8559         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8560         Output_relaxed_input_section.
8561         (Output_section::Input_section::is_input_section,
8562         Output_section::Input_section::set_output_section): Handle relaxed
8563         input section.
8564         (Output_section::Input_section::is_relaxed_input_section,
8565         Output_section::Input_section::output_section_data,
8566         Output_section::Input_section::relaxed_input_section): New method
8567         definitions.
8568         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8569         value.
8570         (Output_section::Input_section::u1_): Update comments.
8571         (Output_section::Input_section::u2_): Add new union member poris.
8572         (Output_section::Checkpoint_output_section): New classs definition.
8573         (Output_section::relax_input_section): New method declaration.
8574         (Output_section::checkpoint_): New data member.
8575         (Output_segment): Update comments.
8576         (Output_segment::Output_segment): Un-privatize copy constructor.
8577         (Output_segment::operator=): Un-privatize.
8578         * script-sections.cc (Output_section_element::Input_section_list):
8579         Change element type to Output_section::Simple_input_section.
8580         (Output_section_element_dot_assignment::set_section_addresses):
8581         Register output section data for relaxation clean up.
8582         (Output_data_exression::Output_data_expression): Adjust call to base
8583         constructor to fix data size.
8584         (Output_section_element_data::set_section_addresses): Register
8585         Output_data_expression object for relaxation clean up.
8586         (struct Input_section_info): Replace Relobj pointer and section index
8587         pair with Output_section::Simple_input_section and Convert struct to a
8588         class.
8589         (Input_section_sorter::operator()): Adjust access to
8590         Input_section_info data member to use accessors.
8591         (Output_section_element_input::set_section_addresses): Use layout
8592         parameter.  Adjust code to use Output_section::Simple_input_section
8593         and Input_secction_info classes.  Register filler for relaxation
8594         clean up.
8595         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8596         and section index pair with Output_section::Simple_input_section
8597         class.  Adjust code accordingly.
8598         (Phdrs_element::release_segment): New method definition.
8599         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8600         segment list.
8601         (Script_sections::release_segments): New method definition.
8602         * gold/script-sections.h (Script_sections::release_segments): New
8603         method declaration.
8604         * gold/target.h (Target::may_relax, Target::relax,
8605         Target::do_may_relax, Target::do_relax): New method definitions.
8606
8607 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8608
8609         * arm.cc (has_signed_unsigned_overflow): New function.
8610         (Arm_relocate_functions::abs8): New function.
8611         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8612         (Target_arm::Scan::global): Likewise.
8613         (Target_arm::relocate::relocate): Likewise.
8614         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8615         Likewise.
8616
8617 2009-09-16  Cary Coutant  <ccoutant@google.com>
8618
8619         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8620         * testsuite/Makefile.in: Regenerate.
8621
8622 2009-09-11  Nick Clifton  <nickc@redhat.com>
8623
8624         * po/gold.pot: Updated by the Translation project.
8625
8626 2009-09-08  Cary Coutant  <ccoutant@google.com>
8627
8628         * output.cc (Output_file::open): Add execute permission to empty file.
8629         * testsuite/Makefile.am (permission_test): New test.
8630         * testsuite/Makefile.in: Regenerate.
8631
8632 2009-09-02  Ian Lance Taylor  <iant@google.com>
8633
8634         * output.cc (Output_file::resize): Call map_no_anonymous rather
8635         than map.
8636
8637 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8638
8639         * gold.cc: Include "incremental.h".
8640         (queue_initial_tasks): Call Incremental_checker methods.
8641         * incremental.cc: Include "output.h".
8642         (Incremental_checker::can_incrementally_link_output_file): New
8643         method.
8644         * incremental.h (Incremental_checker): New class.
8645
8646         * output.cc (Output_file::open_for_modification): New method.
8647         (Output_file::map_anonymous): Changed return type to bool.  Record
8648         map in base_ field.
8649         (Output_file::map_no_anonymous): New method, broken out of map.
8650         (Output_file::map): Use map_no_anonymous and map_anonymous.
8651         * output.h (class Output_file): Update declarations.
8652
8653 2009-08-24  Cary Coutant  <ccoutant@google.com>
8654
8655         * options.h (Command_line::Pre_options): New class.
8656         (Command_line::pre_options): New member.
8657         * options.cc (gold::options::ready_to_register): New variable.
8658         (One_option::register_option): Do nothing if not registering options.
8659         Assert if same short option registered twice.
8660         (General_options::General_options): Turn off option registration when
8661         done constructing.
8662         (Command_line::Pre_options::Pre_options): New constructor.
8663
8664 2009-08-24  Cary Coutant  <ccoutant@google.com>
8665
8666         * options.h (General_options::no_keep_memory): Remove incorrect
8667         short option.
8668
8669 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8670
8671         * Makefile.am (am__skiplex, am__skipyacc): New.
8672         * Makefile.in: Regenerate.
8673
8674 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8675
8676         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8677         (INCLUDES): ... this.
8678         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8679         (AM_CPPFLAGS): Renamed from ...
8680         (INCLUDE): ... this.
8681         * Makefile.in, testsuite/Makefile.in: Regenerate.
8682
8683         * Makefile.in: Regenerate.
8684         * aclocal.m4: Likewise.
8685         * config.in: Likewise.
8686         * configure: Likewise.
8687         * testsuite/Makefile.in: Likewise.
8688
8689         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8690         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8691         * Makefile.in: Regenerate.
8692         * testsuite/Makefile.in: Regenerate.
8693
8694 2009-08-19  Cary Coutant  <ccoutant@google.com>
8695
8696         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8697         symbols in shared libraries overridden by hidden or internal symbols
8698         in the main program.
8699
8700 2009-08-19  Chris Demetriou  <cgd@google.com>
8701
8702         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8703         checking source file names in error messages.
8704
8705 2009-08-18  Doug Kwan  <dougkwan@google.com>
8706
8707         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8708         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8709         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8710         an elfcpp::Ehdr as parameter.
8711         * object.cc (Object::set_target): Remove the version that looks up
8712         a target and sets it.
8713         (Sized_relobj::setup): Take a Target object instead of
8714         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8715         (make_elf_sized_object): Find target and ask target to
8716         make an ELF object.
8717         * object.h: (Object::set_target): Remove the version that looks up
8718         a target and sets it.
8719         (Sized_relobj::setup): Take a Target object instead of
8720         an elfcpp:Ehdr as parameter.
8721         * target.cc: Include dynobj.h.
8722         (Target::do_make_elf_object_implementation): New.
8723         (Target::do_make_elf_object): New.
8724         * target.h (Target::make_elf_object): New template declaration.
8725         (Target::do_make_elf_object): New method declarations.
8726         (Target::do_make_elf_object_implementation): New template declaration.
8727
8728 2009-08-14  Ian Lance Taylor  <iant@google.com>
8729
8730         * gold.h (FUNCTION_NAME): Define.
8731         (gold_unreachable): Use FUNCTION_NAME.
8732
8733 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8734
8735         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8736         symbol in the --keep-unique list is not found.
8737
8738 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8739
8740         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8741         been maked as --keep-unique.
8742         (Icf::unfold_section): New function.
8743         * icf.h (Icf::unfold_section): New function.
8744         * options.h (General_options::keep_unique): New option.
8745         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8746         * testsuite/Makefile.in: Regenerate.
8747         * testsuite/icf_keep_unique_test.sh: New file.
8748         * testsuite/icf_keep_unique_test.cc: New file.
8749
8750 2009-08-12  Cary Coutant  <ccoutant@google.com>
8751
8752         PR 10471
8753         * resolve.cc (Symbol_table::resolve): Check for references from
8754         dynamic objects to hidden and internal symbols.
8755         * testsuite/Makefile.am (hidden_test.sh): New test.
8756         * testsuite/Makefile.in: Regenerate.
8757         * testsuite/hidden_test.sh: New script.
8758         * testsuite/hidden_test_1.c: New test source.
8759         * testsuite/hidden_test_main.c: New test source.
8760
8761 2009-08-11  Doug Kwan  <dougkwan@google.com>
8762
8763         * arm.cc: Update comments.
8764         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8765         segment to locate the .ARM.exidx section if present.
8766
8767 2009-08-09  Doug Kwan  <dougkwan@google.com>
8768
8769         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8770         patch.
8771
8772 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8773         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8774         compiler warnings.
8775
8776 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8777
8778         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8779         valid tls_segment only for non-debug-section relocations.
8780         * testsuite/Makefile.am: Add gc_tls_test.
8781         * testsuite/Makefile.in: Regenerate.
8782         * testsuite/gc_tls_test.cc: New file.
8783         * testsuite/gc_tls_test.sh: New file.
8784
8785 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8786
8787         * icf.cc: New file.
8788         * icf.h: New file.
8789         * Makefile.am (CCFILES): Add icf.cc.
8790         (HFILES): Add icf.h
8791         * Makefile.in: Regenerate.
8792         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8793         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8794         section, symbol and addend information for the relocs.
8795         * gold.cc (queue_middle_tasks): Call identical code folding.
8796         * gold.h: Add defines for multimap.
8797         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8798         to the call of finalize_local_symbols.
8799         * main.cc (main): Create object of class Icf.
8800         * object.cc (Sized_relobj::do_layout): Allow this function to be
8801         called twice during icf.
8802         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8803         to sections marked as identical by icf.
8804         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8805         when available.
8806         (Sized_relobj::do_section_entsize): New function.
8807         * object.h (Object::section_entsize): New function.
8808         (Object::do_section_entsize): New pure virtual function.
8809         (Relobj::finalize_local_symbols): Add new parameter.
8810         (Relobj::do_section_entsize): New function.
8811         * options.h (General_options::icf): New option.
8812         (General_options::icf_iterations): New option.
8813         (General_options::print_icf_sections): New option.
8814         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8815         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8816         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8817         icf.
8818         * symtab.cc (Symbol_table::is_section_folded): New function.
8819         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8820         to sections marked as identical by icf.
8821         * symtab.h (Symbol_table::set_icf): New function.
8822         (Symbol_table::icf): New function.
8823         (Symbol_table::is_section_folded): New function.
8824         (Symbol_table::icf_): New data member.
8825         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8826         * testsuite/Makefile.am: Add commands to build icf_test.
8827         * testsuite/Makefile.in: Regenerate.
8828         * testsuite/icf_test.sh: New file.
8829         * testsuite/icf_test.cc: New file.
8830
8831 2009-07-24  Chris Demetriou  <cgd@google.com>
8832
8833         * layout.cc (is_compressible_debug_section): Fix incorrect
8834         comment about compressed section names.
8835
8836 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8837
8838         PR 10419
8839         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8840
8841 2009-07-16  Ian Lance Taylor  <iant@google.com>
8842
8843         PR 10400
8844         * layout.h: #include <map>.
8845         (class Kept_section): Change from struct to class.  Add accessors
8846         and setters.  Add section size to Comdat_group mapping.  Change
8847         Comdat_group to std::map.  Add is_comdat_ field.  Add
8848         linkonce_size field in union.
8849         (class Layout): Update declaration of find_or_add_kept_section.
8850         Don't declare find_kept_object.
8851         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8852         parameter.  Add object, shndx, is_comdat, and is_group_name
8853         parameters.  Change all callers.  Adjust for new Kept_section.
8854         (Layout::find_kept_object): Remove.
8855         * object.cc (Sized_relobj::include_section_group): Update use of
8856         Kept_section.  Rename secnum to shndx.  Only record
8857         Kept_comdat_section if sections are the same size.
8858         (Sized_relobj::include_linkonce_section): Update use of
8859         Kept_section.  Only record Kept_comdat_section if sections are the
8860         same size.  Set size of linkonce section.
8861         (Sized_relobj::map_to_kept_section): Update call to
8862         get_kept_comdat_section.
8863         * object.h (class Sized_relobj): Rename fields in
8864         Kept_comdat_section to drop trailing underscores; change object
8865         field to Relobj*.  Change Kept_comdat_section_table to store
8866         struct rather than pointer.
8867         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8868         Add kept_object and kept_shndx parameters.  Change all callers.
8869         (Sized_relobj::get_kept_comdat_section): Change return type to
8870         bool.  Add kept_object and kept_shndx parameters.  Change all
8871         callers.
8872         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8873         Layout::find_or_add_kept_section.
8874
8875 2009-07-09  Ian Lance Taylor  <iant@google.com>
8876
8877         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8878         Reserve space in the hash table.
8879
8880 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8881
8882         * fileread.cc (File_read::get_mtime): New method.
8883         * fileread.h (Timespec): New structure.
8884         (File_read::get_mtime): New method.
8885         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8886         Renamed from timestamp_nsec.
8887         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8888         Elf_Xword.
8889         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8890         timestamp_nsec.
8891         (Incremental_inputs::report_archive): Save mtime; style fix.
8892         (Incremental_inputs::report_obejct): Save mtime; style fix.
8893         (Incremental_inputs::report_script): Save mtime; style fix.
8894         (Incremental_inputs::finalize_inputs): Style fix.
8895         (Incremental_inputs::finalize): Style fix.
8896         (Incremental_inputs::create_input_section_data): Store inputs
8897         mtime.
8898         * incremental.h (Incremental_inputs::report_script): Add mtime
8899         argument.
8900         (Incremental_inputs::Input_info::Input_info): Intialize only one
8901         union member.
8902         (Incremental_inputs::Input_info::archive): Move to nameless
8903         union.
8904         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8905         (Incremental_inputs::Input_info::script): Move to nameless union.
8906         (Incremental_inputs::mtime): New field.
8907         * script.cc (read_input_script): Pass file mtime to
8908         Incremental_input.
8909         * script.h (Script_info::inputs): Style fix.
8910
8911 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8912
8913         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8914         instead of 32.
8915
8916 2009-06-24  Ian Lance Taylor  <iant@google.com>
8917
8918         PR 10156
8919         * layout.cc (Layout::choose_output_section): If we find an
8920         existing section, update the flags.
8921         (Layout::create_notes): New function, broken out of
8922         Layout::finalize.
8923         (Layout::finalize): Don't create note sections.
8924         (Layout::create_note): Don't crash if linker script discards
8925         section.
8926         (Layout::create_gold_note): Likewise.
8927         (Layout::create_build_id): Likewise.  Don't set
8928         after_input_sections on the section.
8929         (Layout::create_executable_stack_info): Remove target parameter.
8930         Change caller.
8931         * layout.h (class Layout): Declare create_notes.  Update
8932         declaration of create_executable_stack_info.
8933         * gold.cc (queue_middle_tasks): Call create_notes.
8934         * output.cc (Output_section::update_flags_for_input_section): Move
8935         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8936         invalid.
8937         * output.h (Output_data::mark_address_invalid): New function.
8938         (class Output_section): Only declare, not define,
8939         update_flags_for_input_section.  Remove set_flags.
8940
8941 2009-06-24  Ian Lance Taylor  <iant@google.com>
8942
8943         * script-sections.cc (Output_section_definition::
8944         set_section_addresses): Rename shadowing local load_address to
8945         laddr.
8946
8947 2009-06-24  Ian Lance Taylor  <iant@google.com>
8948
8949         PR 10244
8950         * reloc.cc (relocate_sections): Skip empty relocation sections.
8951
8952 2009-06-23  Ian Lance Taylor  <iant@google.com>
8953
8954         PR 10156
8955         * layout.cc (Layout::create_note): Use choose_output_section
8956         rather than make_output_section.
8957
8958 2009-06-23  Ian Lance Taylor  <iant@google.com>
8959
8960         PR 10237
8961         * options.cc (General_options::parse_V): Set printed_version_.
8962         (General_options::General_options): Initialize printed_version_.
8963         * options.h (class General_options): Add printed_version_ field.
8964         * gold.cc (queue_initial_tasks): If there are no input files,
8965         don't give a fatal error if we printed the version information.
8966         (queue_middle_tasks): If using -r with a shared object, give a
8967         fatal error rather than an ordinary error.
8968
8969 2009-06-23  Ian Lance Taylor  <iant@google.com>
8970
8971         PR 10219
8972         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8973         (Layout::make_output_section): Set have_stabstr_section_ if we see
8974         a .stab*str section.
8975         (Layout::finalize): Call link_stabs_sections.
8976         (Layout::link_stabs_sections): New file.
8977         * layout.h (class Layout): Add have_stabstr_section_ field.
8978         Declare link_stabs_sections.
8979
8980 2009-06-23  Doug Kwan  <dougkwan@google.com>
8981
8982         * Makefile.am (libgold_a_LIBADD): New.
8983         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8984         * Makefile.in: Regenerate.
8985         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8986         * configure: Regenerate.
8987         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8988         * fileread.cc: Include sys/state.h
8989         * gold.h: Declare memmem and strndup if found missing.
8990         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8991
8992 2009-06-23  Ian Lance Taylor  <iant@google.com>
8993
8994         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8995         * configure: Rebuild.
8996
8997 2009-06-23  Ian Lance Taylor  <iant@google.com>
8998
8999         PR 10147
9000         * object.cc (Object::section_contents): Don't try to get a view if
9001         the section has length zero.
9002         (Object::handle_gnu_warning_section): If the section is empty, use
9003         the name of the section as the warning.
9004
9005 2009-06-23  Ian Lance Taylor  <iant@google.com>
9006
9007         PR 10133
9008         * stringpool.h (class Stringpool_template): Add optimize_ field.
9009         (Stringpool_template::set_optimize): New function.
9010         * stringpool.cc (Stringpool_template::Stringpool_template):
9011         Initialize optimize_ field.
9012         (Stringpool_template::set_string_offsets): Test local optimize
9013         fild rather than parameter.
9014         * layout.cc (Layout::Layout): Call set_optimize on the section
9015         name stringpool.
9016
9017 2009-06-22  Ian Lance Taylor  <iant@google.com>
9018
9019         PR 10030
9020         * yyscript.y: Parse TARGET.
9021         * script.cc (script_set_target): New function.
9022         * script-c.h (script_set_target): Declare.
9023         * options.cc (General_options::string_to_object_format): Rename
9024         from string_to_object_format in anonymous namespace.  Change
9025         callers.
9026         * options.h (class General_options): Declare
9027         string_to_object_format.
9028
9029 2009-06-22  Ian Lance Taylor  <iant@google.com>
9030
9031         * script-sections.cc (Script_sections::create_segments): Don't put
9032         program headers in a PT_LOAD segment if -n or -N.
9033
9034 2009-06-22  Ian Lance Taylor  <iant@google.com>
9035
9036         PR 10141
9037         * options.h (class General_options): Add -z lazy and -z now.  Sort
9038         -z options into alphabetical order.
9039         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9040
9041 2009-06-21  Ian Lance Taylor  <iant@google.com>
9042
9043         * layout.cc (Layout::make_output_section): Call
9044         Target::new_output_section.
9045         (Layout::attach_allocated_section_to_segment): Put large section
9046         sections in a separate load segment with the large segment flag
9047         set.
9048         (Layout::segment_precedes): Sort large data segments after other
9049         load segments.
9050         (align_file_offset): New static function.
9051         (Layout::set_segment_offsets): Use align_file_offset.
9052         * output.h (class Output_section): Add is_small_section_ and
9053         is_large_section_ fields.
9054         (Output_section::is_small_section): New function.
9055         (Output_section::set_is_small_section):  New function.
9056         (Output_section::is_large_section): New function.
9057         (Output_section::set_is_large_section): New function.
9058         (Output_section::is_large_data_section): New function.
9059         (class Output_segment): Add is_large_data_segment_ field.
9060         (Output_segment::is_large_data_segment): New function.
9061         (Output_segment::set_is_large_data_segment): New function.
9062         * output.cc (Output_section::Output_section): Initialize new
9063         fields.
9064         (Output_segment::Output_segment): Likewise.
9065         (Output_segment::add_output_section): Add assertion that large
9066         data sections always go in large data segments.  Force small data
9067         sections to the end of the list of data sections.  Force small BSS
9068         sections to the start of the list of BSS sections.  For large BSS
9069         sections to the end of the list of BSS sections.
9070         * symtab.h (class Symbol): Declare is_common_shndx.
9071         (Symbol::is_defined): Check Symbol::is_common_shndx.
9072         (Symbol::is_common): Likewise.
9073         (class Symbol_table): Define enum Commons_section_type.  Update
9074         declarations.  Add small_commons_ and large_commons_ fields.
9075         * symtab.cc (Symbol::is_common_shndx): New function.
9076         (Symbol_table::Symbol_table): Initialize new fields.
9077         (Symbol_table::add_from_object): Put small and large common
9078         symbols in the right list.
9079         (Symbol_table::sized_finalized_symbol): Check
9080         Symbol::is_common_shndx.
9081         (Symbol_table::sized_write_globals): Likewise.
9082         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9083         common symbol lists.  Don't call do_allocate_commons_list if the
9084         list is empty.
9085         (Symbol_table::do_allocate_commons_list): Remove is_tls
9086         parameter.  Add comons_section_type parameter.  Change all
9087         callers.  Handle small and large common symbols.
9088         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9089         Symbol::is_common_shndx.
9090         * resolve.cc (symbol_to_bits): Likewise.
9091         * target.h (Target::small_common_shndx): New function.
9092         (Target::small_common_section_flags): New function.
9093         (Target::large_common_shndx): New function.
9094         (Target::large_common_section_flags): New function.
9095         (Target::new_output_section): New function.
9096         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9097         small_common_section_flags, and large_common_section_flags
9098         fields.
9099         (Target::do_new_output_section): New virtual function.
9100         * arm.cc (Target_arm::arm_info): Initialize new fields.
9101         * i386.cc (Target_i386::i386_info): Likewise.
9102         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9103         Likewise.
9104         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9105         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9106         (Target_x86_64::do_new_output_section): New function.
9107         * configure.ac: Define conditional MCMODEL_MEDIUM.
9108         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9109         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9110         (large_LDFLAGS): Define.
9111         * testsuite/large.c: New file.
9112         * testsuite/testfile.cc (Target_test::test_target_info):
9113         Initialize new fields.
9114         * configure, testsuite/Makefile.in: Rebuild.
9115
9116 2009-06-05  Doug Kwan  <dougkwan@google.com>
9117
9118         * Makefile.am (CCFILES): Add target.cc.
9119         * Makefile.in: Regenerate.
9120         * i386.cc (class Target_i386): Define new virtual method to
9121         override do_is_local_label_name in parent.
9122         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9123         local symbols if --discard-locals or -X is given.
9124         * options.h (class General_options): Declare new options
9125         '--discard-locals' and '-X' for discarding locals.
9126         * target.h (class Target): Define new methods is_local_label_name.
9127         Declare new virtual method do_is_local_label_name.
9128         * target.cc: New file.
9129         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9130         (check_SCRIPTS): Add discard_locals_test.sh.
9131         (check_DATA): Add discard_local_tests.syms.
9132         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9133         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9134         * testsuite/Makefile.in: Regenerate.
9135         * testsuite/discard_locals_test.c: New file.
9136         * testsuite/discard_locals_test.sh: Same.
9137
9138 2009-06-05  Doug Kwan  <dougkwan@google.com>
9139
9140         * object.cc (Sized_relobj::Sized_relobj): Initialize
9141         discarded_eh_frame_shndx_ to -1U.
9142         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9143         section.
9144         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9145         a discarded .eh_frame section.
9146         (Sized_relobj::do_finalize_local_symbols): Ditto.
9147         * object.h (class Sized_relobj): Declare new member
9148         discarded_eh_frame_shndx_.
9149         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9150         (local_labels_test.o, local_labels_test): New rules.
9151         * testsuite/Makefile.in: Regenerate.
9152
9153 2009-06-04  Doug Kwan  <dougkwan@google.com>
9154
9155         * layout.cc (Layout::section_name_mapping): Add mapping for
9156         special ARM sections.
9157
9158 2009-06-03  Doug Kwan  <dougkwan@google.com>
9159
9160         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9161         (utils::has_overflow): Same.
9162
9163 2009-06-03  Ian Lance Taylor  <iant@google.com>
9164
9165         * layout.cc (Layout::section_name_mapping): New array, replacing
9166         Layout::linkonce_mapping.
9167         (Layout::section_name_mapping_count): New variable, replacing
9168         Layout::linkonce_mapping_count.
9169         (Layout::linkonce_output_name): Remove.
9170         (Layout::output_section_name): Rewrite.
9171         * layout.h (class Layout): Rename Linkonce_mapping to
9172         Section_name_mapping, linkonce_mapping to section_name_mapping,
9173         linkonce_mapping_count to section_name_mapping_count.  Don't
9174         declare linkonce_output_name.
9175
9176 2009-06-03  Doug Kwan  <dougkwan@google.com>
9177
9178         * gold/arm.cc (namespace utils): New.
9179         (Target_arm::reloc_is_non_pic): Define new method.
9180         (class Arm_relocate_functions): New.
9181         (Target_arm::Relocate::relocate): Handle relocation types used by
9182         Android.
9183
9184 2009-06-03  Ian Lance Taylor  <iant@google.com>
9185
9186         * arm.cc (Target_arm::scan::global): Use || instead of |.
9187
9188 2009-06-02  Doug Kwan  <dougkwan@google.com>
9189
9190         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9191         issued_non_pic_error_.
9192         (class Target_arm::Scan): Declare new method check_non_pic.
9193         Define new method symbol_needs_plt_entry.
9194         Declare new data member issued_non_pic_error_.
9195         (class Target_arm::Relocate): Declare new method
9196         should_apply_static_reloc.
9197         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9198         (Target_arm::Scan::check_non_pic): Define new method.
9199         (Target_arm::Scan::local): Handle a small subset of reloc types used
9200         by Android.
9201         (Target_arm::Scan::local): Same.
9202         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9203
9204 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9205
9206         * incremental.cc (Incremental_inputs::report_command_line): Filter
9207         out --incremental-* options.
9208
9209 2009-05-29  Doug Kwan  <dougkwan@google.com>
9210
9211         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9212         template class.
9213         (class Target_arm): Update comment.
9214         (Target_arm::Target_arm): Initialize new data members GOT_,
9215         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9216         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9217         and Target_arm::rel_dyn_section.
9218         Declare new_enum Target_arm::Got_type.
9219         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9220         and DYNBSS_.
9221         Update commments for member do_dynsym_value.
9222         (Target_arm::got_size, Target_arm::plt_section,
9223         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9224         new methods inside class defintion.
9225         (Target_arm::got_section): Define new method.
9226         (Target_arm::rel_dyn_section): Same.
9227         (Output_data_plt_arm): New template class.
9228         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9229         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9230         (Output_data_plt_arm::add_entry): Same.
9231         (Output_data_plt_arm::first_plt_entry): Define new
9232         static data member for PLT instruction template.
9233         (Output_data_plt_arm::plt_entry): Same.
9234         (Output_data_plt_arm::do_write): Define new method.
9235         (Target_arm::make_plt_entry): Same.
9236         (Target_arm::do_finalize_sections): Same.
9237         (Target_arm::do_dynsym_value): Same.
9238
9239 2009-05-28  Doug Kwan  <dougkwan@google.com>
9240
9241         * Makefile.am (TARGETSOURCES): Add arm.cc.
9242         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9243         * Makefile.in: Regenerate.
9244         * arm.cc: New file.
9245         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9246
9247 2009-05-26  Doug Kwan  <dougkwan@google.com>
9248
9249         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9250         (General_options::check_excluded_libs): Strip off directories in
9251         archive name before matching like GNU ld does.
9252         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9253         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9254         (exclude_libs_test_LDFLAGS): Add linker option
9255         -Wl,--exclude-libs,libexclude_libs_test_3
9256         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9257         an explicit archive without using -l.
9258         (alt/libexclude_libs_test_3.a): New make rule.
9259         * testsuite/Makefile.in: Regenerate.
9260         * testsuite/exclude_libs_test.c : Declare lib3_default().
9261         (main): Call it.
9262         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9263         * exclude_libs_test_3.c: New file.
9264
9265 2009-05-26  Nick Clifton  <nickc@redhat.com>
9266
9267         * po/id.po: New Indonesian translation.
9268         * po/gold.pot: Updated template file.
9269
9270 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9271
9272         * testsuite/Makefile.am: Add -ffunction-sections to compile
9273         gc_comdat_test files.  Add -Wl,--gc-sections to build
9274         gc_comdat_test.
9275         * testsuite/Makefile.in: Regenerate.
9276         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9277
9278 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9279
9280         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9281         kept comdat section was garbage collected.
9282         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9283         * testsuite/Makefile.in: Regenerate.
9284         * testsuite/gc_comdat_test.sh: New file.
9285         * testsuite/gc_comdat_test_1.cc: New file.
9286         * testsuite/gc_comdat_test_2.cc: New file.
9287
9288 2009-05-19  Doug Kwan  <dougkwan@google.com>
9289
9290         * archive.cc (Archive::Archive): Move constructor from archive.h
9291         to here.  Initialize no_export_.
9292         (Archive::get_elf_object_for_member): Set no_export flag of object.
9293         * archive.h (Archive::Archive): Move constructor body to
9294         archive.cc.
9295         (Archive::no_export): New method.
9296         (Archive::no_export_): New field.
9297         * object.h (Object::Object): Initialize no_export_ to false.
9298         (Object::no_export, Object::set_no_export): New methods.
9299         (Object::no_export_): New field.
9300         * options.cc (General_options::parse_exclude_libs): New method.
9301         (General_options::check_excluded_libs) Same.
9302         * options.h (exclude_libs): New option.
9303         (General_options::check_excluded_libs): New method declaration.
9304         (General_options::excluded_libs_): New field.
9305         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9306         default or protected visibility if an object has no-export flag set.
9307         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9308         (check_SCRIPTS): Add exclude_libs_test.sh.
9309         (check_DATA): Add exclude_libs_test.syms.
9310         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9311         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9312         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9313         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9314         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9315         libexclude_libs_test_2.a): New rules.
9316         * testsuite/Makefile.in: Regenerate.
9317         * testsuite/exclude_libs_test.c: New file.
9318         * testsuite/exclude_libs_test.sh: Ditto.
9319         * testsuite/exclude_libs_test_1.c: Ditto.
9320         * testsuite/exclude_libs_test_2.c: Ditto.
9321
9322 2009-05-15  Ian Lance Taylor  <iant@google.com>
9323
9324         * configure.ac: Check for declarations for cases where libiberty.h
9325         checks HAVE_DECL_xxx.
9326         * configure, config.in: Rebuild.
9327
9328 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9329
9330         * gold.h (Incremental_argument_list): Remove (invalid) forward
9331         declaration.
9332         * incremental.cc (Incremental_inputs::report_achive): New method.
9333         (Incremental_inputs::report_object): New method.
9334         (Incremental_inputs::report_script): New method.
9335         (Incremental_inputs::finalize_inputs): New method.
9336         (Incremental_inputs::finalize): Call finalize_inputs().
9337         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9338         Create inputs entries.
9339         * incremental.h (Incremental_input_type): New enum.
9340         (Incremental_inputs::Incremental_input): Initialize new fields.
9341         (Incremental_inputs::report_inputs): New method.
9342         (Incremental_inputs::report_achive): New method.
9343         (Incremental_inputs::report_object): New method.
9344         (Incremental_inputs::report_script): New method.
9345         (Incremental_inputs::finalize_inputs): New method.
9346         (Incremental_inputs::Input_info): New struct.
9347         (Incremental_inputs::Input_info_map): New typedef.
9348         (Incremental_inputs::lock_): New field.
9349         (Incremental_inputs::Inputs_): New field.
9350         (Incremental_inputs::Inputs_map): New field.
9351         * main.cc (main): Call Incremental_input::report_inputs.
9352         * options.h (Input_argument_list): Typedef moved from
9353         Input_arguments.
9354         (Input_file_group::Files): Remove, use ::Input_argument_list.
9355         (Input_file_group::Input_argument_list): Remove, use
9356         ::Input_argument_list.
9357         * plugin.cc (Plugin_manager::add_input_file): Add error in
9358         incremental build.
9359         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9360         functions.
9361         * script.cc (read_input_script): Call
9362         Incremental_input::report_script.
9363         * script.h (Script_info): New class.
9364
9365 2009-04-27  Ian Lance Taylor  <iant@google.com>
9366
9367         * x86_64.cc (do_adjust_output_section): Set entsize to
9368         plt_entry_size.
9369
9370 2009-04-23  Elliott Hughes  <enh@google.com>
9371
9372         * output.cc (Output_file::close): After short writes, continue
9373         writing from the correct offset in the buffer being written.
9374
9375 2009-04-23  Chris Demetriou  <cgd@google.com>
9376
9377         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9378         * configure: Regenerate.
9379         * config.in: Regenerate.
9380         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9381         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9382
9383 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9384
9385         * incremental.cc (Incremental_inputs_header_data): Renamed from
9386         Incremental_input_header_data.
9387         (Incremental_inputs_header_data::data_size): New field.
9388         (Incremental_inputs_header_data::put_input_file_count): Renamed
9389         from input_file_count.
9390         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9391         from command_line_offset.
9392         (Incremental_inputs_header_data::put_reserved): Renamed from
9393         put_reserved.
9394         (Incremental_inputs_entry_data): Renamed from
9395         Incremental_input_entry_data.
9396         (Incremental_inputs_entry_data::data_size): New field.
9397         (Incremental_inputs::report_command_line): New method.
9398         (Incremental_inputs::finalize): New method.
9399         (Incremental_inputs::create_incremental_inputs_data): New method.
9400         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9401         * incremental.h: New file.
9402         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9403        (Layout::finalize): Create incremental inputs section in
9404         incremental builds.
9405        (Layout::create_incremental_info_sections): New method.
9406         * layout.h (Layout::incremental_inputs): New method.
9407        (Layout::create_incremental_info_sections): New method.
9408        (Layout::incremental_inputs_): New field.
9409         * main.cc (main): Notify Incremental_input of the command line.
9410
9411 2009-04-01  Ian Lance Taylor  <iant@google.com>
9412             Mikolaj Zalewski  <mikolajz@google.com>
9413
9414         * gold.h (reserve_unordered_map): Define, three versions, one for
9415         each version of Unordered_map.
9416         * layout.cc (Layout::Layout): Remove options parameter.  Add
9417         number_of_input_files parameter.  Don't initialize options_.
9418         Initialize number_of_input_files_ and resized_signatures_.  Move
9419         sections_are_attached_.
9420         (Layout::layout_group): Reserve space for group_signatures_.
9421         (Layout::find_or_add_kept_section): Change name parameter to be a
9422         reference.  Resize signatures_ map when it gets large enough.
9423         (Layout::layout_eh_frame): Use parameters->options() instead of
9424         this->options_.
9425         (Layout::make_output_section): Likewise.
9426         (Layout::attach_allocated_section_to_segment): Likewise.
9427         (Layout::finalize, Layout::create_executable_stack): Likewise.
9428         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9429         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9430         * layout.h (class Layout): Update declarations.  Remove options_
9431         field.  Add number_of_input_files_ and resized_signatures_
9432         fields.  Move sections_are_attached_ field.
9433         * main.cc (main): Pass number of input files to Layout
9434         constructor.  Don't pass options.
9435
9436 2009-03-30  Ian Lance Taylor  <iant@google.com>
9437
9438         * ffsll.c (ffsll): Correct implementation.
9439
9440 2009-03-27  Ian Lance Taylor  <iant@google.com>
9441
9442         * ffsll.c: New file.
9443         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9444         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9445         * ftruncate.c (ftruncate): Declare before definition.
9446         * mremap.c (mremap): Likewise.
9447         * pread.c (pread): Likewise.
9448         * configure, Makefile.in, config.in: Rebuild.
9449
9450         * mremap.c: New file.
9451         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9452         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9453         (mremap): Declare if HAVE_MREMAP is not defined.
9454         * configure, Makefile.in, config.in: Rebuild.
9455
9456 2009-03-27  Cary Coutant  <ccoutant@google.com>
9457
9458         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9459         position independent.
9460         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9461         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9462
9463 2009-03-24  Cary Coutant  <ccoutant@google.com>
9464
9465         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9466         an executable.
9467         (needs_dynamic_reloc): Likewise.
9468
9469 2009-03-24  Ian Lance Taylor  <iant@google.com>
9470
9471         * yyscript.y (file_cmd): Recognize EXTERN.
9472         (extern_name_list, extern_name_list_body): New nonterminals.
9473         * script.cc (script_add_extern): Define.
9474         * script-c.h (script_add_extern): Declare.
9475
9476 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9477
9478         * object.cc (is_elf_object): Define.
9479         * object.h (is_elf_object): Declare.
9480         * archive.cc (Archive::get_elf_object_for_member): Call
9481         is_elf_object.
9482         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9483
9484 2009-03-24  Elliott Hughes  <enh@google.com>
9485
9486         * output.cc (Output_file::map_anonymous): Define.
9487         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9488         try an anonymous one.  Report the size if the mmap fails.
9489         * output.h (class Output_file): Declare map_anonymous.
9490
9491 2009-03-24  Ian Lance Taylor  <iant@google.com>
9492
9493         * target-select.cc (instantiate_target): Don't acquire the lock if
9494         the instantiated_target_ field has already been set.
9495
9496 2009-03-23  Ian Lance Taylor  <iant@google.com>
9497
9498         * gold-threads.h (class Initialize_lock): Define.
9499         * gold-threads.cc (class Initialize_lock_once): Define.
9500         (initialize_lock_control): New static variable.
9501         (initialize_lock_pointer): New static variable.
9502         (initialize_lock_once): New static function.
9503         (Initialize_lock::Initialize_lock): Define.
9504         (Initialize_lock::initialize): Define.
9505         * target-select.h: Include "gold-threads.h".
9506         (class Target_selector): Add lock_ and initialize_lock_ fields.
9507         Don't define instantiate_target, just declare it.
9508         * target-select.cc (Target_selector::Target_selector): Initialize
9509         new fields.
9510         (Target_selector::instantiate_target): Define.
9511         * descriptors.h: Include "gold-threads.h".
9512         (class Descriptors): Add initialize_lock_ field.
9513         * descriptors.cc (Descriptors::Descriptors): Initialize new
9514         field.
9515         (Descriptors::open): Use initialize_lock_ field
9516         * errors.h (class Errors): Add initialize_lock_ field.
9517         * errors.cc (Errors::Errors): Initialize new field.
9518         (Errors::initialize_lock): Use initialize_lock_ field.
9519         * powerpc.cc (class Target_selector_powerpc): Remove
9520         instantiated_target_ field.  In do_recognize call
9521         instantiate_target rather than do_instantiate_target.  In
9522         do_instantiate_target just allocate a new target.
9523         * sparc.cc (class Target_selector_sparc): Likewise.
9524
9525         * freebsd.h: New file.
9526         * i386.cc: Include "freebsd.h".
9527         (Target_i386): Derive from Target_freebsd rather than
9528         Sized_target.
9529         (Target_selector_i386): Derive from Target_selector_freebsd rather
9530         than Target_selector.
9531         * x86_64.cc: Include "freebsd.h".
9532         (Target_x86_64): Derive from Target_freebsd rather than
9533         Sized_target.
9534         (Target_selector_x86_64): Derive from Target_selector_freebsd
9535         rather than Target_selector.
9536         * target.h (class Target): Add adjust_elf_header and
9537         do_adjust_elf_header.
9538         * output.cc (Output_file_header:: do_sized_write): Call target
9539         adjust_elf_header routine.
9540         * configure.tgt: Set targ_osabi.
9541         * configure.ac: Define GOLD_DEFAULT_OSABI.
9542         * parameters.cc (Parameters::default_target): Pass
9543         GOLD_DEFAULT_OSABI to select_target.
9544         * target-select.h (class Target_selector): Make instantiate_target
9545         protected rather than private.
9546         * Makefile.am (HFILES): Add freebsd.h.
9547         * configure, Makefile.in, config.in: Rebuild.
9548
9549         * merge.cc (do_add_input_section): Correct pend value.  Change
9550         message about last entry not being null terminated from error to
9551         warning.
9552
9553 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9554
9555         * incremental.cc: New file.
9556         * Makefile.am (CCFILES): Add incremental.cc.
9557         * Makefile.in: Rebuild.
9558
9559 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9560
9561         * layout.cc (Layout::output_section_name): Preserve names
9562         of '.note.' sections.
9563
9564 2009-03-19  Ian Lance Taylor  <iant@google.com>
9565
9566         * descriptors.cc (Descriptors::open): Check that the options are
9567         valid before using them.
9568
9569 2009-03-18  Ian Lance Taylor  <iant@google.com>
9570
9571         * script-sections.h: Include <list>.
9572         (class Script_sections): Change Sections_elements from std::vector
9573         to std::list.  Typedef public Elements_iterator.  Add
9574         orphan_section_placement_, data_segment_align_start_, and
9575         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9576         field.
9577         * script-sections.cc (class Orphan_section_placement): New class.
9578         (class Sections_element): Add virtual functions is_relro and
9579         orphan_section_init.  Remove virtual function place_orphan_here.
9580         (class Output_section_definition): Add is_relro and
9581         orphan_section_init.  Remove place_orphan_here.
9582         (class Orphan_output_section): Likewise.
9583         (Script_sections::Script_sections): Update for field changes.
9584         (Script_sections::data_segment_align): Set saw_data_segment_align_
9585         and data_segment_align_start_, not data_segment_align_index.
9586         (Script_sections::data_segment_relro_end): Check
9587         saw_data_segment_align_.  Use data_segment_align_start_ rather
9588         than data_segment_align_index_.
9589         (Script_sections::place_orphan): Rewrite to use
9590         Orphan_section_placement.
9591
9592 2009-03-17  Ian Lance Taylor  <iant@google.com>
9593
9594         * archive.cc (Archive::add_symbols): Check for a version attached
9595         to the symbol name in the archive map.
9596         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9597         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9598         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9599         (ver_test_11.a): New target.
9600         * testsuite/Makefile.in: Rebuild.
9601
9602         * configure.ac: Check for chsize and posix_fallocate.  Replace
9603         ftruncate.
9604         * ftruncate.c: New file, from gnulib.
9605         * output.cc (posix_fallocate): Define dummy version if not
9606         HAVE_POSIX_FALLOCATE.
9607         (Output_file::map): Call posix_fallocate rather than lseek and
9608         write.
9609         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9610         * configure, Makefile.in, config.in: Rebuild.
9611
9612 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9613
9614         * layout.h (Layout::create_note): Add section_name parameter.
9615         * layout.cc (Layout::create_note): Likewise.
9616         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9617
9618 2009-03-17  Ian Lance Taylor  <iant@google.com>
9619
9620         * descriptors.cc: Include "options.h".
9621         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9622         (Descriptors::open): Always use O_CLOEXEC when opening a new
9623         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9624         then set FD_CLOEXEC.
9625
9626         * sparc.cc (class Target_sparc): Add has_got_section.
9627         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9628         make sure we have a GOT section.
9629
9630         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9631         (Target_sparc::Scan::local): Likewise.
9632         (Target_sparc::Scan::global): Likewise.
9633         (Target_sparc::Relocate::relocate): Likewise.
9634         (Target_sparc::Relocate::relocate_tls): Likewise.
9635
9636         * symtab.cc (Symbol_table::define_default_version): New function,
9637         broken out of add_from_object.
9638         (Symbol_table::add_from_object): Call define_default_version.
9639         (Symbol_table::define_special_symbol): Add resolve_oldsym
9640         parameter.  Change all callers.  If the version for a symbol comes
9641         from a version script, resolve it with the symbol with the same
9642         name with no version.  Also add the symbol without a version if
9643         appropriate.
9644         (do_define_in_output_data): If resolving with oldsym, don't delete
9645         sym.
9646         (do_define_in_output_segment): Likewise.
9647         (do_define_as_constant): Likewise.
9648         * symtab.h (class Symbol_table): Update declarations.
9649
9650 2009-03-13  Ian Lance Taylor  <iant@google.com>
9651
9652         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9653         (Read_symbols::requeue): New function.
9654         (Read_symbols::do_read_symbols): If make_elf_object fails because
9655         the target type is not configured, and the file was searched for,
9656         issue a warning and retry with the next directory.
9657         (Add_symbols::run): If the file has an incompatible format, and
9658         it was searched for, requeue the Read_symbols task.  On error,
9659         release the object.
9660         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9661         dirindex parameter to constructor.  Change all callers.  Declare
9662         incompatible_warning and requeue.
9663         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9664         input_argument_ and input_group_ fields.  Add them to
9665         constructor.  Change all callers.
9666         (class Read_script): Add dirindex_ field.  Add it to constructor.
9667         Change all callers.
9668         * archive.cc (Archive::setup): Remove input_objects parameter.
9669         Change all callers.
9670         (Archive::get_file_and_offset): Likewise.
9671         (Archive::read_all_symbols): Likewise.
9672         (Archive::read_symbols): Likewise.
9673         (Archive::get_elf_object_for_member): Remove input_objects
9674         parameter.  Add punconfigured parameter.  Change all callers.
9675         (Archive::add_symbols): Change return type to bool.  Check return
9676         value of include_member.
9677         (Archive::include_all_members): Likewise.
9678         (Archive::include_member): Change return type to bool.  Return
9679         false if first included object has incompatible target.  Set
9680         included_member_ field.
9681         (Add_archive_symbols::run): If add_symbols returns false, requeue
9682         Read_symbols task.
9683         * archive.h (class Archive): Add included_member_ field.
9684         Initialize it in constructor.  Add input_file and searched_for
9685         methods.  Update declarations.
9686         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9687         input_argument_ fields.  Add them to constructor.  Change all
9688         callers.
9689         * script.cc: Include "target-select.h".
9690         (class Parser_closure): Add skip_on_incompatible_target_ and
9691         found_incompatible_target_ fields.  Add
9692         skip_on_incompatible_target parameter to constructor.  Change all
9693         callers.  Add methods skip_on_incompatible_target,
9694         clear_skip_on_incompatible_target, found_incompatible_target, and
9695         set_found_incompatible_target.
9696         (read_input_script): Add dirindex parameter.  Change all callers.
9697         If parser finds an incompatible target, requeue Read_symbols
9698         task.
9699         (script_set_symbol): Clear skip_on_incompatible_target in
9700         closure.
9701         (script_add_assertion, script_parse_option): Likewise.
9702         (script_start_sections, script_add_phdr): Likewise.
9703         (script_check_output_format): New function.
9704         * script.h (read_input_script): Update declaration.
9705         * script-c.h (script_check_output_format): Declare.
9706         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9707         (ignore_cmd): Remove OUTPUT_FORMAT.
9708         * fileread.cc (Input_file::Input_file): Add explicit this.
9709         (Input_file::will_search_for): New function.
9710         (Input_file::open): Add pindex parameter.  Change all callers.
9711         * fileread.h (class Input_file): Add input_file_argument method.
9712         Declare will_search_for.  Update declarations.
9713         * object.cc (make_elf_object): Add punconfigured parameter.
9714         Change all callers.
9715         * object.h (class Object): Make input_file public.  Add
9716         searched_for method.
9717         (make_elf_object): Update declaration.
9718         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9719         restart search.
9720         * dirsearch.h (class Dirsearch): Update declaration.
9721         * options.h (class General_options): Add --warn-search-mismatch.
9722         * parameters.cc (Parameters::is_compatible_target): New function.
9723         * parameters.h (class Parameters): Declare is_compatible_target.
9724         * workqueue.cc (Workqueue::add_blocker): New function.
9725         * workqueue.h (class Workqueue): Declare add_blocker.
9726
9727         * fileread.cc (Input_file::open): Remove options parameter.
9728         Change all callers.
9729         (Input_file::open_binary): Likewise.
9730         * script.cc (read_input_script): Likewise.
9731         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9732         options parameter from constructor.  Change all callers.
9733         (class Read_script): Likewise.
9734         * fileread.h (class Input_file): Update declarations.
9735         * script.h (read_input_script): Update declaration.
9736
9737 2009-03-10  Nick Clifton  <nickc@redhat.com>
9738
9739         * po/es.po: New Spanish translation.
9740
9741 2009-03-06  Cary Coutant  <ccoutant@google.com>
9742
9743         * options.cc (parse_short_option): Keep dash_z from registering itself.
9744
9745 2009-03-03  Ian Lance Taylor  <iant@google.com>
9746
9747         PR 9918
9748         * target-reloc.h (relocate_section): Pass output_section to
9749         relocate.
9750         * i386.cc (Target_i386::should_apply_static_reloc): Add
9751         output_section parameter.  Change all callers.
9752         (Target_i386::Relocate::relocate): Add output_section parameter.
9753         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9754         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9755         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9756         * testsuite/two_file_shared.sh: New script.
9757         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9758         (check_DATA): Add two_file_shared.dbg.
9759         (two_file_shared.dbg): New target.
9760         * testsuite/Makefile.in: Rebuild.
9761
9762 2009-03-01  Ian Lance Taylor  <iant@google.com>
9763
9764         * configure.ac: Check for byteswap.h.
9765         * configure: Rebuild.
9766         * config.in: Rebuild.
9767
9768 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9769
9770         * layout.cc (Layout::find_or_add_kept_section): New function.
9771         (Layout::add_comdat): Removed.
9772         * layout.h (struct Kept_section): Move out of class Layout.
9773         Remove trailing underscores from field names.  Add group_sections
9774         field.  Rename group_ field to is_group.  Change all uses.
9775         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9776         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9777         comdat_groups_ field.
9778         (Sized_relobj::include_section_group): Use
9779         find_or_add_kept_section and Kept_section::group_sections.
9780         (Sized_relobj::include_linkonce_section): Likewise.
9781         * object.cc (class Sized_relobj): Don't define Comdat_group or
9782         Comdat_group_table.  Remove find_comdat_group and
9783         add_comdat_group.  Remove comdat_groups_ field.
9784         * plugin.cc (include_comdat_group): Use
9785         Layout::find_or_add_kept_section.
9786
9787 2009-02-28  Ian Lance Taylor  <iant@google.com>
9788
9789         * README: --gc-sections and map files are now supported.  Document
9790         some build requirements.
9791
9792         PR 6992
9793         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9794         relocatable link set the value of the section symbol to zero.
9795         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9796         relocatable link don't include the section address in the local
9797         symbol value.
9798
9799 2009-02-27  Ian Lance Taylor  <iant@google.com>
9800
9801         PR 6811
9802         * options.h (class Search_directory): Add is_system_directory.
9803         (class General_options): Declare is_in_system_directory.
9804         * options.cc (get_relative_sysroot): Make static.
9805         (get_default_sysroot): Make static.
9806         (General_optoins::is_in_system_directory): New function.
9807         * fileread.cc (Input_file::is_in_system_directory): New function.
9808         * fileread.h (class Input_file): Declare is_in_system_directory.
9809         * object.h (class Object): Add is_in_system_directory.
9810         (class Input_objects): Remove system_library_directory_ field.
9811         * object.cc (Input_objects::add_object): Don't set
9812         system_library_directory_.
9813         (input_objects::found_in_system_library_directory): Remove.
9814         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9815         parameter.  Change all callers.
9816         (Symbol_table::sized_write_globals): Likewise.
9817         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9818         Call Object::is_in_system_directory.
9819         * symtab.h (class Symbol_table): Update declarations.
9820
9821         PR 5990
9822         * descriptors.h (Open_descriptor): Add is_on_stack field.
9823         * descriptors.cc (Descriptors::open): If the descriptor is on the
9824         top of the stack, remove it.  Initialize is_on_stack field.
9825         (Descriptors::release): Only add pod to stack if it is not on the
9826         stack already.
9827         (Descriptors::close_some_descriptor): Clear stack_next and
9828         is_on_stack fields.
9829
9830         PR 7091
9831         * output.cc (Output_section::find_starting_output_address): Rename
9832         from starting_output_address; add PADDR parameter; change return
9833         type.
9834         * output.h (class Output_section): Declare
9835         find_starting_output_address instead of starting_output_address.
9836         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9837         section symbol for which we can't find a merge section.
9838
9839         PR 9836
9840         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9841         hidden or internal, force the symbol to be local.
9842         * resolve.cc (Symbol::override_visibility): Define.
9843         (Symbol::override_base): Use override_visibility.
9844         (Symbol_table::resolve): Likewise.
9845         (Symbol::override_base_with_special): Likewise.
9846         (Symbol_table::override_with_special): If the visibility is hidden
9847         or internal, force the symbol to be local.
9848         * symtab.h (class Symbol): Add set_visibility and
9849         override_visibility.
9850         * testsuite/ver_test_1.sh: New file.
9851         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9852         (check_DATA): Add ver_test_1.syms.
9853         (ver_test_1.syms): New target.
9854         * testsuite/Makefile.in: Rebuild.
9855
9856 2009-02-25  Cary Coutant  <ccoutant@google.com>
9857
9858         * layout.cc (Layout::choose_output_section): Don't rename sections
9859         when using a linker script that has a SECTIONS clause.
9860         * Makefile.in: Regenerate.
9861
9862         * testsuite/Makefile.am (script_test_5.sh): New test case.
9863         * testsuite/Makefile.in: Regenerate.
9864         * testsuite/script_test_5.cc: New file.
9865         * testsuite/script_test_5.sh: New file.
9866         * testsuite/script_test_5.t: New file.
9867
9868 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9869
9870         * archive.cc (Archive::include_member): Update calls to add_symbols.
9871         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9872         the Layout argument.
9873         * dynobj.h (do_add_symbols): Add the Layout argument.
9874         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9875         Layout argument.
9876         * object.h (Object::add_symbols): Add the Layout argument.
9877         (Object::do_add_symbols): Add the Layout argument.
9878         (Sized_relobj::do_add_symbols): Add the Layout argument.
9879         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9880         Unify the two versions.
9881         (Add_plugin_symbols): Remove.
9882         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9883         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9884         (Add_plugin_symbols): Remove.
9885         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9886         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9887         (Add_symbols::run): Make it work with Pulginobj.
9888
9889 2009-02-06  Ian Lance Taylor  <iant@google.com>
9890
9891         * object.cc (Sized_relobj::do_layout): Make info message start
9892         with lower case letter.
9893
9894 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9895
9896         * binary.cc: Fix file comment.
9897
9898         * options.h (enum Incremental_disposition): Define.
9899         (class General_options): Add new options: --incremental,
9900         --incremental_changed, --incremental_unchanged,
9901         --incremental_unknown.  Add incremental_disposition_ and
9902         implicit_incremental_ fields.
9903         (General_options::incremental_disposition): New function.
9904         (class Position_dependent_options): Add incremental_disposition
9905         option.
9906         (Position_dependent_options::copy_from_options): Set incremental
9907         dispositions.
9908         * options.cc (General_options::parse_incremental_changed): New
9909         function.
9910         (General_options::parse_incremental_unchanged): New function.
9911         (General_options::parse_incremental_unknown): New function.
9912         (General_options::General_options): Initialize new fields
9913         incremental_disposition_ and implicit_incremental_.
9914         (General_options::finalize): Check for uasge of --incremental-*
9915         without --incremental.
9916
9917 2009-02-06  Chris Demetriou  <cgd@google.com>
9918
9919         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9920         pointer and to report location as the file name associated with
9921         the symbol.
9922         (gold_undefined_symbol_at_location): New function to replace the
9923         old gold_undefined_symbol functionality.
9924         * target-reloc.h (relocate_section): Update to use
9925         gold_undefined_symbol_at_location.
9926         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9927         Call gold_undefined_symbol function rather than gold_error.
9928         * errors.h (Errors::undefined_symbol): Take location as a
9929         string, rather than calculating it from a relocation.
9930         * errors.cc (Errors::fatal): Print "fatal error:" before the
9931         formatted message.
9932         (Errors::error, Errors::error_at_location): Print "error: "
9933         before the formatted message.
9934         (Errors::undefined_symbol): Take location as a string, rather
9935         than calculating it from a relocation.
9936         (gold_undefined_symbol_at_location): New function akin to
9937         old gold_undefined_symbol, calculates location from relocation.
9938         (gold_undefined_symbol): Change to take only a Symbol pointer
9939         and to report location as the file name associated with the symbol.
9940         * testsuite/debug_msg.sh: Update for changed error messages.
9941         * testsuite/undef_symbol.sh: Likewise.
9942
9943 2009-02-04  Duncan Sands  <baldrick@free.fr>
9944
9945         PR 9812
9946         * reduced_debug_output.h
9947         (Output_reduced_debug_abbrev_section::failed): Use format for
9948         gold_warning.
9949         (Output_reduced_debug_info_section::faild): Likewise.
9950
9951 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9952
9953         * script.cc (Lazy_demangler): New class.
9954         (Version_script_info::get_symbol_version_helper): Demangle a
9955         symbol only once.
9956
9957 2009-01-29  Cary Coutant  <ccoutant@google.com>
9958
9959         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9960         to __tls_get_addr.
9961         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9962
9963 2009-01-28  Ian Lance Taylor  <iant@google.com>
9964
9965         * version.cc (version_string): Bump to 1.9.
9966
9967         * gold.h: Include <cstring> and <stdint.h>.
9968         * version.cc: Include <cstdio>.
9969         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9970         warning.
9971         * reduced_debug_output.cc (insert_into_vector): Rename from
9972         Insert_into_vector; change all callers.  Use Swap_unaligned to
9973         avoid aliasing issue; remove union since it is unnecessary.
9974
9975 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9976
9977         * Makefile.am (CCFILES): Add gc.cc.
9978         (HFILES): Add gc.h.
9979         * Makefile.in: Regenerate.
9980         * gold.cc (Gc_runner): New class.
9981         (queue_initial_tasks): Call garbage collection related tasks
9982         when corresponding options are invoked.
9983         (queue_middle_gc_tasks): New function.
9984         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9985         processed early before laying out sections during garbage collection.
9986         * gold.h (queue_middle_gc_tasks): New function.
9987         (is_prefix_of): Move from "layout.cc".
9988         * i386.cc (Target_i386::gc_process_relocs): New function.
9989         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9990         * main.cc (main): Create object of class "Garbage_collection".
9991         * object.cc (Relobj::copy_symbols_data): New function.
9992         (Relobj::is_section_name_included): New function.
9993         (Sized_relobj::do_layout): Allow this function to be called twice
9994         during garbage collection and defer layout of section during the
9995         first call.
9996         * object.h (Relobj::get_symbols_data): New function.
9997         (Relobj::is_section_name_included): New function.
9998         (Relobj::copy_symbols_data): New function.
9999         (Relobj::set_symbols_data): New function.
10000         (Relobj::get_relocs_data): New function.
10001         (Relobj::set_relocs_data): New function.
10002         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10003         (Relobj::gc_process_relocs): New function.
10004         (Relobj::do_gc_process_relocs): New pure virtual function.
10005         (Relobj::sd_): New data member.
10006         (Sized_relobj::is_output_section_offset_invalid): New function.
10007         (Sized_relobj::do_gc_process_relocs): New function.
10008         * options.h (General_options::gc_sections): Modify to not be a no-op.
10009         (General_options::print_gc_sections): New option.
10010         * plugin.cc (Plugin_finish::run): Remove function call to
10011         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10012         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10013         * reloc.cc (Read_relocs::run): Add task to process relocs and
10014         determine unreferenced sections when doing garbage collection.
10015         (Gc_process_relocs): New class.
10016         (Sized_relobj::do_gc_process_relocs): New function.
10017         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10018         sections that are garbage collected.
10019         * reloc.h (Gc_process_relocs): New class.
10020         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10021         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10022         symbols whose corresponding sections are garbage collected.
10023         (Symbol_table::Symbol_table): Add new parameter for the garbage
10024         collection object.
10025         (Symbol_table::gc_mark_undef_symbols): New function.
10026         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10027         (Symbol_table::gc_mark_dyn_syms): New function.
10028         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10029         as garbage.
10030         (Symbol_table::add_from_object): Likewise.
10031         (Symbol_table::add_from_relobj): When building shared objects, do not
10032         treat externally visible symbols as garbage.
10033         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10034         table information for static and relocatable links.
10035         * symtab.h (Symbol_table::set_gc): New function.
10036         (Symbol_table::gc): New function.
10037         (Symbol_table::gc_mark_undef_symbols): New function.
10038         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10039         (Symbol_table::gc_mark_dyn_syms): New function.
10040         (Symbol_table::gc_): New data member.
10041         * target.h (Sized_target::gc_process_relocs): New pure virtual
10042         function.
10043         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10044         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10045
10046 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10047
10048         * options.h (General_options::gc_sections): Define as a no-op for now.
10049         (General_options::no_keep_memory): Ditto.
10050         (General_options::Bshareable): Define.
10051         * options.cc (General_options::finalize): Honor -Bshareable.
10052
10053 2009-01-20  Andreas Schwab  <schwab@suse.de>
10054
10055         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10056         read the value in the contents, since we don't use it.  Use the
10057         template endianness when writing.
10058         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10059
10060 2009-01-19  Andreas Schwab  <schwab@suse.de>
10061
10062         * configure.tgt (powerpc64-*): Fix targ_obj.
10063
10064 2009-01-15  Ian Lance Taylor  <iant@google.com>
10065
10066         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10067         local symbols when stripping all symbols.
10068
10069 2009-01-14  Cary Coutant  <ccoutant@google.com>
10070
10071         * output.cc (Output_reloc): Add explicit instantiations.
10072
10073 2009-01-14  Cary Coutant  <ccoutant@google.com>
10074
10075         * archive.cc (Archive::get_elf_object_for_member): Remove call
10076         to File_read::claim_for_plugin.
10077         * descriptors.cc (Descriptors::open): Remove reference to
10078         is_claimed.
10079         (Descriptors::claim_for_plugin): Remove.
10080         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10081         (Descriptors::is_claimed): Remove.
10082         (claim_descriptor_for_plugin): Remove.
10083         * fileread.cc (File_read::claim_for_plugin): Remove.
10084         * fileread.h (File_read::claim_for_plugin): Remove.
10085         (File_read::descriptor): Reopen descriptor if necessary.
10086         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10087         (Plugin_manager::all_symbols_read): Add task parameter. Change
10088         all callers.
10089         (Plugin_manager::get_input_file): New function.
10090         (Plugin_manager::release_input_file): New function.
10091         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10092         corresponding data member.
10093         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10094         and pass to base constructor. Change all callers.
10095         (get_input_file, release_input_file): New functions.
10096         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10097         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10098         (Plugin_manager::all_symbols_read): Add task parameter.
10099         (Plugin_manager::get_input_file): New function.
10100         (Plugin_manager::release_input_file): New function.
10101         (Plugin_manager::task_): New data member.
10102         (Pluginobj::Pluginobj): Add filesize parameter.
10103         (Pluginobj::filename): New function.
10104         (Pluginobj::descriptor): New function.
10105         (Pluginobj::filesize): New function.
10106         (Pluginobj::filesize_): New data member.
10107         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10108         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10109         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10110
10111         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10112         with archive libraries.
10113         * testsuite/Makefile.in: Regenerate.
10114         * testsuite/plugin_test.c (struct sym_info): New type.
10115         (get_input_file, release_input_file): New static variables.
10116         (onload): Capture new transfer vector entries.
10117         (claim_file_hook): Stop reading at end of file according to filesize.
10118         Factor out parsing of readelf output into separate function.
10119         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10120         APIs and get the source file name from the symbol table.  Convert
10121         source file name to corresponding object file name.  Print info
10122         message when adding new input files.
10123         (parse_readelf_line): New function.
10124         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10125         * testsuite/plugin_test_2.sh: Likewise.
10126         * testsuite/plugin_test_3.sh: Likewise.
10127         * testsuite/plugin_test_4.sh: New test case.
10128
10129 2009-01-07  Ian Lance Taylor  <iant@google.com>
10130
10131         * version.cc (version_string): Bump to 1.8.
10132
10133 2008-12-23  Cary Coutant  <ccoutant@google.com>
10134
10135         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10136         * plugin.cc (Plugin_manager::finish): Rename as
10137         layout_deferred_objects.  Move cleanup to separate function.
10138         (Plugin_manager::cleanup): New function.
10139         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10140         separately.
10141         * plugin.h (Plugin_manager::finish): Rename as
10142         layout_deferred_objects.
10143         (Plugin_manager::cleanup): New function.
10144         (Plugin_manager::cleanup_done): New field.
10145
10146 2008-12-23  Cary Coutant  <ccoutant@google.com>
10147
10148         * plugin.cc (is_visible_from_outside): New function.
10149         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10150         so we don't return "IR only" status for exported symbols or -r links.
10151
10152         * testsuite/Makefile.am (plugin_test_3): New test case.
10153         * testsuite/Makefile.in: Regenerate.
10154         * testsuite/plugin_test_3.sh: New file.
10155
10156 2008-12-22  Cary Coutant  <ccoutant@google.com>
10157
10158         * object.cc (Sized_relobj::layout_section): New function.
10159         (Sized_relobj::do_layout): Defer layout of input sections until after
10160         plugin has provided replacement files.
10161         (Sized_relobj::do_layout_deferred_sections): New function.
10162         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10163         (Relobj::layout_deferred_sections): New function.
10164         (Relobj::do_layout_deferred_sections): New function.
10165         (Sized_relobj::do_layout_deferred_sections): New function.
10166         (Sized_relobj::layout_section): New function.
10167         (Sized_relobj::Deferred_layout): New structure.
10168         (Sized_relobj::deferred_layout_): New field.
10169         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10170         Change all callers.  Layout deferred sections.
10171         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10172         references.
10173         (Plugin_hook::run): Move code from do_plugin_hook inline.
10174         (Plugin_hook::do_plugin_hook): Remove.
10175         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10176         (Plugin_manager::finish): Renamed, was cleanup.
10177         (Plugin_manager::should_defer_layout): New function.
10178         (Plugin_manager::add_deferred_layout_object): New function.
10179         (Plugin_manager::Deferred_layout_list): New type.
10180         (Plugin_manager::deferred_layout_objects_): New field.
10181         (Plugin_hook::do_plugin_hook): Remove.
10182
10183 2008-12-17  Ian Lance Taylor  <iant@google.com>
10184
10185         * options.h (class General_options): Add --no case for
10186         --export-dynamic.
10187
10188 2008-12-16  Cary Coutant  <ccoutant@google.com>
10189
10190         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10191         vector.
10192         (Plugin_manager::claim_file): Create plugin object even if
10193         plugin did not call the add_symbols callback.
10194         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10195         asking for more symbols than were added.
10196         * testsuite/Makefile.am (plugin_test_1): Add test case with
10197         no global symbols.
10198         (empty.syms): New target.
10199         * testsuite/Makefile.in: Regenerate.
10200         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10201         message. Don't call add_symbols if no globals.
10202         (all_symbols_read_hook): Don't provide replacement for empty
10203         claimed file.
10204
10205 2008-12-12  Ian Lance Taylor  <iant@google.com>
10206
10207         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10208         r_type == 0 for a local symbol with r_sym == 0.
10209         (scan_relocatable_relocs): Pass r_sym to
10210         local_non_section_strategy.
10211         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10212         r_sym parameter.
10213
10214         * configure.ac: Update test for TLS descriptors: they are
10215         supported as of glibc 2.9.
10216         * configure: Rebuild.
10217
10218 2008-12-11  Ian Lance Taylor  <iant@google.com>
10219
10220         PR 7091
10221         * target-reloc.h (Default_scan_relocatable_relocs): For each
10222         function, map r_type == 0 to RELOC_DISCARD.
10223
10224 2008-12-10  Cary Coutant  <ccoutant@google.com>
10225
10226         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10227         object to override a kept COMDAT group from a plugin object.
10228
10229 2008-12-09  Ian Lance Taylor  <iant@google.com>
10230
10231         PR 7088
10232         * yyscript.y (file_cmd): Handle INPUT.
10233
10234         * testsuite/initpri1.c: Change all declarations to be full
10235         prototypes by adding void, to avoid compiler warnings.
10236
10237 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10238
10239         * options.cc (General_options::parse_plugin_opt): New.
10240         (General_options::add_plugin): The argument now is just the filename.
10241         (General_options::add_plugin_option): New.
10242         * options.h (plugin_opt): New.
10243         (add_plugin): Change argument name.
10244         (add_plugin_option): New.
10245         * plugin.cc (Plugin::load): Don't parse the plugin option.
10246         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10247         (Plugin::add_option): New.
10248         (Plugin::args_): Change type.
10249         (Plugin::filename_): New.
10250         (Plugin_manager::add_plugin_option): New.
10251         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10252         * testsuite/Makefile.in: Regenerate.
10253
10254 2008-12-05  Cary Coutant  <ccoutant@google.com>
10255
10256         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10257         Handle --strip-lto-sections option.
10258         * options.h (strip_lto_sections): New option.
10259
10260 2008-12-01  Cary Coutant  <ccoutant@google.com>
10261
10262         * plugin.cc (ld_plugin_message): Change format parameter to const.
10263         Fix mismatch between new[] and delete.
10264
10265 2008-11-14  Cary Coutant  <ccoutant@google.com>
10266
10267         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10268         instead of -1U.
10269
10270 2008-11-05  Craig Silverstein  <csilvers@google.com>
10271
10272         * options.cc (General_options::parse_dynamic_list): New function.
10273         * options.h (General_options): New flags dynamic_list,
10274         dynamic_list_data, dynamic_list_cpp_new, and
10275         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10276         (General_options::in_dynamic_list): New function.
10277         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10278         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10279         (Lex::can_continue_name): Likewise.
10280         (yylex): Likewise.
10281         (read_script_file): New parameter script_options.
10282         (read_dynamic_list): New function.
10283         (Script_options::define_dynamic_list): New function.
10284         (dynamic_list_keyword_parsecodes): New variable.
10285         (dynamic_list_keywords): New variable.
10286         * script.h (Script_options::define_dynamic_list): New function
10287         prototype.
10288         (read_dynamic_list): New function prototype.
10289         * symtab.cc (strprefix): New macro.
10290         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10291         dynamic_list_data, dynamic_list_cpp_new, and
10292         dynamic_list_cpp_typeinfo.
10293         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10294         (dynamic_list_expr): New rule.
10295         (dynamic_list_nodes): Likewise.
10296         (dynamic_list_node): Likewise.
10297         * testsuite/Makefile.am (dynamic_list): New test.
10298         * testsuite/Makefile.in: Regenerated.
10299         * testsuite/dynamic_list.t: New file.
10300         * testsuite/dynamic_list.sh: New file.
10301
10302 2008-11-05  Craig Silverstein  <csilvers@google.com>
10303
10304         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10305         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10306         (t11_last): Likewise.
10307         * testsuite/ver_test_6.c (main): Likewise.
10308
10309 2008-10-07  Cary Coutant  <ccoutant@google.com>
10310
10311         * options.c (General_options::finalize): Add check for -static and
10312         -shared.
10313         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10314         is not empty.
10315
10316 2008-10-02  Cary Coutant  <ccoutant@google.com>
10317
10318         * plugin.cc (make_sized_plugin_object): Fix conditional
10319         compilation to work when not all targets are enabled.
10320
10321 2008-09-29  Cary Coutant  <ccoutant@google.com>
10322
10323         * archive.cc (Archive::get_file_and_offset): Use filename instead
10324         of name to get library path.
10325         (Archive::include_member): Unlock external member of a thin archive.
10326
10327         * testsuite/Makefile.am (TEST_AR): New variable.
10328         (thin_archive_test_1): New test.
10329         (thin_archive_test_2): New test.
10330         * testsuite/Makefile.in: Regenerate.
10331         * testsuite/thin_archive_main.cc: New file.
10332         * testsuite/thin_archive_test_1.cc: New file.
10333         * testsuite/thin_archive_test_2.cc: New file.
10334         * testsuite/thin_archive_test_3.cc: New file.
10335         * testsuite/thin_archive_test_4.cc: New file.
10336
10337 2008-09-29  Cary Coutant  <ccoutant@google.com>
10338
10339         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10340         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10341         instead of -1U.
10342         (Sized_relobj::do_finalize_local_symbols): Likewise.
10343         (Sized_relobj::map_to_kept_section): Likewise.
10344         * object.h (Sized_relobj::invalid_address): New constant.
10345         (Sized_relobj::do_output_section_offset): Check for invalid_address
10346         and return -1ULL.
10347         * output.cc (Output_reloc::local_section_offset): Use constant
10348         invalid_address instead of -1U.
10349         (Output_reloc::get_address): Likewise.
10350         (Output_section::output_address): Change -1U to -1ULL.
10351         * output.h (Output_reloc::invalid_address): New constant.
10352         * reloc.cc (Sized_relobj::write_sections): Use constant
10353         invalid_address instead of -1U.
10354         (Sized_relobj::relocate_sections): Likewise.
10355         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10356         values for merge sections.
10357         * target-reloc.h (relocate_for_relocatable): Use constant
10358         invalid_address instead of -1U.
10359
10360 2008-09-19  Cary Coutant  <ccoutant@google.com>
10361
10362         Add plugin functionality for link-time optimization (LTO).
10363         * configure.ac (plugins): Add --enable-plugins option.
10364         * configure: Regenerate.
10365         * config.in: Regenerate.
10366         * Makefile.am (LIBDL): New variable.
10367         (CCFILES): Add plugin.cc.
10368         (HFILES): Add plugin.h.
10369         (ldadd_var): Add LIBDL.
10370         * Makefile.in: Regenerate.
10371
10372         * archive.cc: Include "plugin.h".
10373         (Archive::setup): Don't preread archive symbols when using a plugin.
10374         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10375         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10376         files.
10377         (Archive::include_member): Add symbols from plugin objects.
10378         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10379         * descriptors.cc (Descriptors::open): Check for file descriptors
10380         abandoned by plugins.
10381         (Descriptors::claim_for_plugin): New function.
10382         * descriptors.h (Descriptors::claim_for_plugin): New function.
10383         (Open_descriptor::is_claimed): New field.
10384         (claim_descriptor_for_plugin): New function.
10385         * fileread.cc (File_read::claim_for_plugin): New function.
10386         * fileread.h (File_read::claim_for_plugin): New function.
10387         (File_read::descriptor): New function.
10388         * gold.cc: Include "plugin.h".
10389         (queue_initial_tasks): Add task to call plugin hooks for generating
10390         new object files.
10391         * main.cc: Include "plugin.h".
10392         (main): Load plugin libraries.
10393         * object.h (Pluginobj): Declare.
10394         (Object::pluginobj): New function.
10395         (Object::do_pluginobj): New function.
10396         (Object::set_target): New function.
10397         * options.cc: Include "plugin.h".
10398         (General_options::parse_plugin): New function.
10399         (General_options::General_options): Initialize plugins_ field.
10400         (General_options::add_plugin): New function.
10401         * options.h (Plugin_manager): Declare.
10402         (General_options): Add --plugin option.
10403         (General_options::has_plugins): New function.
10404         (General_options::plugins): New function.
10405         (General_options::add_plugin): New function.
10406         (General_options::plugins_): New field.
10407         * plugin.cc: New file.
10408         * plugin.h: New file.
10409         * readsyms.cc: Include "plugin.h".
10410         (Read_symbols::do_read_symbols): Check for archive before checking
10411         for ELF file.  Call plugin hooks to claim files.
10412         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10413         from a real object file; force override when processing replacement
10414         files.
10415         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10416         (Symbol::init_base_object): Likewise.
10417         (Symbol::init_base_output_data): Likewise.
10418         (Symbol::init_base_output_segment): Likewise.
10419         (Symbol::init_base_constant): Likewise.
10420         (Symbol::init_base_undefined): Likewise.
10421         (Symbol::output_section): Assert that object is not a plugin.
10422         (Symbol_table::add_from_pluginobj): New function.
10423         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10424         undefined.
10425         (Symbol_table::sized_write_globals): Likewise.
10426         (Symbol_table::add_from_pluginobj): Instantiate template.
10427         * symtab.h (Sized_pluginobj): Declare.
10428         (Symbol::in_real_elf): New function.
10429         (Symbol::set_in_real_elf): New function.
10430         (Symbol::in_real_elf_): New field.
10431         (Symbol_table::add_from_pluginobj): New function.
10432
10433         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10434         (LIBDL): New variable.
10435         (LDADD): Add LIBDL.
10436         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10437         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10438         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10439         (MOSTLYCLEANFILES): Likewise.
10440         * testsuite/Makefile.in: Regenerate.
10441         * testsuite/plugin_test.c: New file.
10442         * testsuite/plugin_test_1.sh: New file.
10443         * testsuite/plugin_test_2.sh: New file.
10444
10445 2008-09-16  Ian Lance Taylor  <iant@google.com>
10446
10447         * target-reloc.h (relocate_section): Check whether a symbol is
10448         defined by the ABI before reporting an undefined symbol error.
10449         * target.h (Target::is_defined_by_abi): Make parameter const.
10450         (Target::do_is_defined_by_abi): Likewise.
10451         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10452         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10453         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10454         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10455         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10456         * testsuite/Makefile.in: Rebuild.
10457
10458         * fileread.cc (make_view): Add casts to avoid warning.
10459
10460 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10461
10462         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10463         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10464
10465 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10466
10467         * options.h (General_options::output_is_executable): New.
10468         (General_options::output_is_pie): New.
10469         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10470         for shared libraries.
10471         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10472
10473 2008-09-11  Chris Demetriou  <cgd@google.com>
10474
10475         * options.h (origin): New -z option.
10476         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10477         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10478         in DT_FLAGS_1.
10479
10480 2008-09-05  Cary Coutant  <ccoutant@google.com>
10481
10482         * fileread.cc (File_read::make_view): Add check for attempt to map
10483         beyond end of file.
10484
10485 2008-09-05  Cary Coutant  <ccoutant@google.com>
10486
10487         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10488         explicit instantiations.
10489
10490 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10491
10492         PR gold/6858
10493         * options.cc (General_options::finalize): Allow undefined symbols
10494         in shlibs if linking -shared.
10495
10496         PR gold/6859
10497         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10498         symbols as not needing a dynsym entry.
10499
10500 2008-08-20  Craig Silverstein  <csilvers@google.com>
10501
10502         * fileread.cc (File_read::open): Do not lock the file unless it
10503         was successfully opened.
10504
10505 2008-08-14  Cary Coutant  <ccoutant@google.com>
10506
10507         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10508         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10509         * testsuite/tls_test.cc (struct int128): 128-bit struct
10510         for testing TLS relocs with non-zero addend.
10511         (v12): New TLS variable.
10512         (t12): New test.
10513         (t_last): Add check for v12.
10514         * testsuite/tls_test.h (t12): New function.
10515         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10516
10517 2008-08-13  Ian Lance Taylor  <iant@google.com>
10518
10519         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10520         set tls_segment_ or relro_segment_.
10521         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10522         when appropriate.
10523         * output.h (Output_section::clear_is_relro): New function.
10524         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10525         sections specially even when output_data_ is empty.
10526         (Output_segment::maximum_alignment): When first section is relro,
10527         only force alignment for PT_LOAD segments.
10528         * script.cc (script_data_segment_align): New function.
10529         (script_data_segment_relro_end): New function.
10530         * script-c.h (script_data_segment_align): Declare.
10531         (script_data_segment_relro_end): Declare.
10532         * script-sections.h (class Script_sections): Declare
10533         data_segment_align and data_segment_relro_end.  Add fields
10534         segment_align_index_ and saw_relro_end_.
10535         * script-sections.cc (class Sections_element): Add set_is_relro
10536         virtual function.  Add new bool* parameter to place_orphan_here.
10537         Add get_output_section virtual function.
10538         (class Output_section_definition): Add set_is_relro.  Add new
10539         bool* parameter to place_orphan_here.  Add get_output_section.
10540         Add is_relro_ field.
10541         (Output_section_definition::Output_section_definition): Initialize
10542         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10543         and is_relro_ fields.
10544         (Output_section_definition::place_orphan_here): Add is_relro
10545         parameter.
10546         (Output_section_definition::set_section_addresses): Set relro for
10547         output section.
10548         (Output_section_definition::alternate_constraint): Likewise.
10549         (class Orphan_output_section): Add new bool* parameter to
10550         place_orphan_here.  Add get_output_section.
10551         (Orphan_output_section::place_orphan_here): Add is_relro
10552         parameter.
10553         (Script_sections::Script_sections): Initialize
10554         data_segment_align_index_ and saw_relro_end_.
10555         (Script_sections::data_segment_align): New function.
10556         (Script_sections::data_segment_relro_end): New function.
10557         (Script_sections::place_orphan): Set or clear is_relro.
10558         (Script_sections::set_section_addresses): Force alignment of first
10559         TLS section.
10560         * yyscript.y (exp): Call script_data_segment_align and
10561         script_data_segment_relro_end.
10562         * testsuite/relro_script_test.t: New file.
10563         * testsuite/relro_test.cc (using_script): Declare.
10564         (t1, t2): Test using_script.
10565         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10566         (relro_script_test_SOURCES): Define.
10567         (relro_script_test_DEPENDENCIES): Define.
10568         (relro_script_test_LDFLAGS): Define.
10569         (relro_script_test_LDADD): Define.
10570         (relro_script_test.so): New target.
10571         * testsuite/Makefile.in: Rebuild.
10572
10573 2008-08-06  Cary Coutant <ccoutant@google.com>
10574
10575         * archive.cc (Archive::total_archives, Archive::total_members)
10576         (Archive::total_members_loaded): New variables.
10577         (Archive::setup): Add parameter.  Add option to preread
10578         archive symbols.
10579         (Archive::read_armap): Add counter.
10580         (Archive::get_file_and_offset): New function.
10581         (Archive::get_elf_object_for_member): New function.
10582         (Archive::read_all_symbols): New function.
10583         (Archive::read_symbols): New function.
10584         (Archive::add_symbols): Add counters.
10585         (Archive::include_all_members): Use armap to find members if it's
10586         already built.
10587         (Archive::include_member): Skip reading symbols if already read.
10588         Factored code into Archive::get_file_and_offset and
10589         Archive::get_elf_object_for_member.  Changed call to
10590         Mapfile::report_include_archive_member.
10591         (Archive::print_stats): New function.
10592         * archive.h: Declare Object and Read_symbols_data classes.
10593         (Archive::Archive): Add initializers for new members.
10594         (Archive::setup): Add parameter.
10595         (Archive::print_stats): New function.
10596         (Archive::total_archives, Archive::total_members)
10597         (Archive::total_members_loaded): New variables.
10598         (Archive::get_file_and_offset): New function.
10599         (Archive::get_elf_object_for_member): New function.
10600         (Archive::read_all_symbols): New function.
10601         (Archive::read_symbols): New function.
10602         (Archive::Archive_member): New class.
10603         (Archive::members_): New member.
10604         (Archive::num_members_): New member.
10605         * main.cc: Include archive.h.
10606         (main): Call Archive::print_stats.
10607         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10608         archive parameter; member_name is now the fully-decorated name.
10609         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10610         * options.h: (General_options): Add --preread-archive-symbols option.
10611         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10612         Archive::setup.
10613
10614 2008-08-04  Ian Lance Taylor  <iant@google.com>
10615
10616         * symtab.h (Symbol::use_plt_offset): New function.
10617         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10618         * powerpc.cc (Relocate::relocate): Likewise.
10619         * sparc.cc (Relocate::relocate): Likewise.
10620         * x86_64.cc (Relocate::relocate): Likewise.
10621         * testsuite/weak_plt.sh: New test.
10622         * testsuite/weak_plt_main.cc: New test.
10623         * testsuite/weak_plt_shared.cc: New test.
10624         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10625         (check_PROGRAMS): Add weak_plt.
10626         (check_DATA): Add weak_plt_shared.so.
10627         (weak_plt_main_pic.o, weak_plt): New targets.
10628         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10629         * testsuite/Makefile.in: Rebuild.
10630
10631         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10632         gcctestdir/ld.
10633         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10634         * testsuite/Makefile.in: Rebuild.
10635
10636 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10637
10638         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10639         * Makefile.in: Regenerate.
10640         * po/POTFILES.in: Regenerate.
10641
10642 2008-07-29  Ian Lance Taylor  <iant@google.com>
10643
10644         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10645         symbols before other symbols.
10646         * testsuite/script_test_2.cc (test_addr): Declare.
10647         (test_addr_alias): Declare.
10648         (main): Check that test_addr and test_addr_alias have the right
10649         values.
10650         * testsuite/script_test_2.t: Define test_addr_alias and
10651         test_addr.
10652
10653 2008-07-24  Ian Lance Taylor  <iant@google.com>
10654
10655         PR 5990
10656         * descriptors.cc: New file.
10657         * descriptors.h: New file.
10658         * gold-threads.h (class Hold_optional_lock): New class.
10659         * fileread.cc: Include "descriptors.h".
10660         (File_read::~File_read): Release descriptor rather than closing
10661         it.
10662         (File_read::open) [file]: Call open_descriptor rather than open.
10663         Set is_descriptor_opened_.
10664         (File_read::open) [memory]: Assert that descriptor is not open.
10665         (File_read::reopen_descriptor): New function.
10666         (File_read::release): Release descriptor.
10667         (File_read::do_read): Make non-const.  Reopen descriptor.
10668         (File_read::read): Make non-const.
10669         (File_read::make_view): Reopen descriptor.
10670         (File_read::do_readv): Likewise.
10671         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10672         Update declarations.
10673         * layout.cc: Include "descriptors.h".
10674         (Layout::create_build_id): Use open_descriptor rather than open.
10675         * output.cc: Include "descriptors.h".
10676         (Output_file::open): Use open_descriptor rather than open.
10677         * archive.cc (Archive::const_iterator): Change Archive to be
10678         non-const.
10679         (Archive::begin, Archive::end): Make non-const.
10680         (Archive::count_members): Likewise.
10681         * archive.h (class Archive): Update declarations.
10682         * object.h (Object::read): Make non-const.
10683         * Makefile.am (CCFILES): Add descriptors.cc.
10684         (HFILES): Add descriptors.h.
10685         * Makefile.in: Rebuild.
10686
10687         PR 6716
10688         * gold.h: Always include <clocale>.  Add Solaris workarounds
10689         following code in binutils/sysdep.h.
10690
10691         PR 6048
10692         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10693         this->eh_frame_hdr_ is NULL before using it.
10694
10695         * dynobj.cc (Versions::Versions): Update comment.
10696
10697         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10698         the base version name.
10699
10700         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10701         array size plus one.
10702         (Stringpool_template::set_string_offsets): Subtract one from key
10703         before using it as an array index.
10704         (Stringpool_template::get_offset_with_length): Likewise.
10705         (Stringpool_template::write_to_buffer): Likewise.
10706         * stringpool.h (Stringpool_template::get_offset_from_key):
10707         Likewise.
10708
10709 2008-07-23  Ian Lance Taylor  <iant@google.com>
10710
10711         PR 6658
10712         * object.h (Merged_symbol_value::value): Do our best to handle a
10713         negative addend.
10714
10715         PR 6647
10716         * script.cc (Version_script_info::get_versions): Don't add empty
10717         version tag to return value.
10718         (Version_script_info::get_symbol_version_helper): Change return
10719         type to bool.  Add pversion parameter.  Change all callers.
10720         (script_register_vers_node): Don't require a non-NULL tag.
10721         * script.h (class Version_script_info): Update declarations.
10722         (Version_script_info::get_symbol_version): Change return type to
10723         bool.  Add version parameter.  Change all callers.
10724         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10725         handling.  Handle an empty version from a version script.
10726         (Symbol_table::define_special_symbol): Likewise.
10727         * testsuite/ver_test_10.script: New file.
10728         * testsuite/ver_test_10.sh: New file.
10729         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10730         (check_DATA): Add ver_test_10.syms.
10731         (ver_test_10.syms, ver_test_10.so): New target.
10732         * testsuite/Makefile.in: Rebuild.
10733
10734 2008-07-23  Simon Baldwin  <simonb@google.com>
10735
10736         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10737         to zero for undefined symbols from dynamic libraries.
10738
10739 2008-07-23  Ian Lance Taylor  <iant@google.com>
10740
10741         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10742         Change all callers.
10743         * symtab.h (class Symbol_table): Update declaration.
10744         * testsuite/ver_test_9.cc: New file.
10745         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10746         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10747         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10748         (ver_test_9.so, ver_test_9.o): New targets.
10749         * testsuite/Makefile.in: Rebuild.
10750
10751 2008-07-22  Ian Lance Taylor  <iant@google.com>
10752
10753         * options.h (class General_options): Define --check-sections.
10754         * layout.cc (Layout::set_segment_offsets): Handle
10755         --check-sections.
10756
10757         * options.h (class General_options): Define -n/--nmagic and
10758         -N/--omagic.
10759         * options.cc (General_options::finalize): For -n/--nmagic or
10760         -N/--omagic, set -static.
10761         * layout.cc (Layout::attach_allocated_section_to_segment): If
10762         -N/--omagic, don't put read-only and read-write sections in
10763         different segments.
10764         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10765         finding a read-only segment.
10766         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10767         don't set the minimum segment alignment to the common page size,
10768         and don't set the file offset to the address modulo the page size.
10769         * script-sections.cc (Script_sections::create_segments): If
10770         -n/--omagic, don't put read-only and read-write sections in
10771         different segments.
10772
10773         * cref.cc: New file.
10774         * cref.h: New file.
10775         * options.h (class General_options): Add --print-symbol-counts.
10776         * main.cc (main): Issue defined symbol report if requested.
10777         * archive.cc (Archive::interpret_header): Make into a const member
10778         function.
10779         (Archive::add_symbols): Call Input_objects::archive_start and
10780         archive_stop.
10781         (Archive::const_iterator): Define new class.
10782         (Archive::begin, Archive::end): New functions.
10783         (Archive::include_all_members): Rewrite to use iterator.
10784         (Archive::count_members): New function.
10785         * archive.h (class Archive): Update declarations.
10786         (Archive::filename): New function.
10787         * object.cc: Include "cref.h".
10788         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10789         (Sized_relobj::do_get_global_symbol_counts): New function.
10790         (Input_objects::add_object): Add object to cross-referencer.
10791         (Input_objects::archive_start): New function.
10792         (Input_objects::archive_stop): New function.
10793         (Input_objects::print_symbol_counts): New function.
10794         * object.h: Declare Cref and Archive.
10795         (Object::get_global_symbol_counts): New function.
10796         (Object::do_get_global_symbol_counts): New pure virtual function.
10797         (class Sized_relobj): Add defined_count_ field.  Update
10798         declarations.
10799         (class Input_objects): Add cref_ field.  Update constructor.
10800         Update declarations.
10801         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10802         defined_count_.
10803         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10804         symbol counts.
10805         (Sized_dynobj::do_get_global_symbol_counts): New function.
10806         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10807         defined_count_.  Update declarations.  Define Symbols typedef.
10808         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10809         parameter.  Change all callers.
10810         (Symbol_table::add_from_dynobj): Add sympointers and defined
10811         parameters.  Change all callers.
10812         * symtab.h (class Symbol_table): Update declarations.
10813         * Makefile.am (CCFILES): Add cref.cc.
10814         (HFILES): Add cref.h.
10815         * Makefile.in: Rebuild.
10816
10817 2008-07-22  Simon Baldwin  <simonb@google.com>
10818
10819         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10820         to zero when writing undefined symbols.
10821
10822 2008-07-22  Ian Lance Taylor  <iant@google.com>
10823
10824         * output.cc (Output_section::add_input_section): Don't try to
10825         merge empty merge sections.
10826
10827 2008-07-21  Craig Silverstein  <csilvers@google.com>
10828
10829         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10830         Include symbol version in error message.
10831
10832 2008-07-20  Chris Demetriou  <cgd@google.com>
10833
10834         * configure.ac (gold_cv_c_random_seed): New configured variable.
10835         (RANDOM_SEED_CFLAGS): New substituted variable.
10836         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10837         * configure: Rebuild.
10838         * Makefile.in: Likewise.
10839         * testsuite/Makefile.in: Likewise.
10840
10841 2008-07-18  Ian Lance Taylor  <iant@google.com>
10842
10843         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10844         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10845         * testsuite/ver_test_main.cc (main): Call t4.
10846         (t4, t4_2a): Define.
10847         * testsuite/ver_test_2.cc (t4_2): Define.
10848         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10849         * testsuite/ver_test_4.cc (t4_2a): Define.
10850         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10851         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10852
10853 2008-07-17  Ian Lance Taylor  <iant@google.com>
10854
10855         * dynobj.cc (Versions::add_def): If we give an error about a
10856         missing version, go ahead and create the version anyhow.
10857
10858 2008-07-10  Ian Lance Taylor  <iant@google.com>
10859
10860         Handle output sections with more than 0x7fffffff bytes.
10861         * object.h (class Relobj): Change map_to_output_ to
10862         output_sections_, and just keep a section pointer.  Change all
10863         uses.  Move comdat group support to Sized_relobj.
10864         (Relobj::is_section_specially_mapped): Remove.
10865         (Relobj::output_section): Remove poff parameter.  Change all
10866         callers.
10867         (Relobj::output_section_offset): New function.
10868         (Relobj::set_section_offset): Rewrite.
10869         (Relobj::map_to_output): Remove.
10870         (Relobj::output_sections): New function.
10871         (Relobj::do_output_section_offset): New pure virtual function.
10872         (Relobj::do_set_section_offset): Likewise.
10873         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10874         group support from Relobj.  Update declarations.
10875         (Sized_relobj::get_output_section_offset): New function.
10876         (Sized_relobj::do_output_section_offset): New function.
10877         (Sized_relobj::do_set_section_offset): New function.
10878         * object.cc (Relobj::output_section_address): Remove.
10879         (Sized_relobj::Sized_relobj): Initialize new fields.
10880         (Sized_relobj::include_section_group): Cast find_kept_object to
10881         Sized_relobj.
10882         (Sized_relobj::include_linkonce_section): Likewise.
10883         (Sized_relobj::do_layout): Use separate arrays for output section
10884         and output offset.
10885         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10886         output_sections.
10887         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10888         output_sections and section_offsets.
10889         (Sized_relobj::write_local_symbols): Likewise.
10890         (map_to_kept_section): Compute output address directly.
10891         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10892         output_sections and section_offsets.
10893         (Sized_relobj::write_sections): Likewise.
10894         (Sized_relobj::relocate_sections): Likewise.
10895         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10896         * output.h (class Output_reloc): Update declarations.  Change
10897         u2_.relobj to Sized_relobj*.
10898         (class Output_data_reloc): Change add functions to use
10899         Sized_relobj*.
10900         * output.cc (Output_reloc::Output_reloc): Change relobj to
10901         Sized_relobj*.
10902         (Output_reloc::local_section_offset): Change return type to
10903         Elf_Addr.  Use get_output_section_offset.
10904         (Output_reloc::get_address): Likewise.
10905         (Output_section::is_input_address_mapped): Don't call
10906         is_section_specially_mapped.
10907         (Output_section::output_offset): Likewise.
10908         (Output_section::output_address): Likewise.
10909         (Output_section::starting_output_address): Likewise.
10910         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10911         parameter to Sized_relobj*.
10912         (Copy_relocs::need_copy_reloc): Likewise.
10913         (Copy_relocs::save): Likewise.
10914         * copy-relocs.h (class Copy_relocs): Update declarations.
10915         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10916         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10917         * target-reloc.h (relocate_for_relocatable): Change
10918         offset_in_output_section type to Elf_Addr.  Change code that uses
10919         it as well.
10920         * layout.cc (Layout::layout): Always set *off.
10921         * mapfile.cc (Mapfile::print_input_section): Use
10922         output_section_offset.
10923         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10924         Sized_relobj*.
10925         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10926         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10927         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10928
10929 2008-07-03  Ian Lance Taylor  <iant@google.com>
10930
10931         * layout.cc (Layout::include_section): Do not discard unrecognized
10932         SHT_STRTAB sections.
10933
10934 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10935
10936         * script.cc (Lex::can_continue_name): Make '?' allowable in
10937         version-script names.
10938         * testsuite/version_script.map: Change glob pattern to use '?'
10939
10940 2008-06-30  Manish Singh  <yosh@gimp.org>
10941
10942         PR 6585
10943         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10944         Correct typo.
10945
10946 2008-06-30  Ian Lance Taylor  <iant@google.com>
10947
10948         PR 6660
10949         PR 6682
10950         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10951         versions]: Don't try to read the value in the contents, since we
10952         don't use it.  Use the template endianness when writing.
10953
10954 2008-06-25  Cary Coutant  <ccoutant@google.com>
10955
10956         * fileread.cc (File_read::make_view): Assert on zero-length view.
10957         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10958         symbol table when there are no symbols to read.
10959
10960 2008-06-23  Craig Silverstein  <csilvers@google.com>
10961
10962         * version.cc (version_string): Bump to 1.7
10963
10964 2008-06-18  Craig Silverstein  <csilvers@google.com>
10965
10966         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10967         constant 0xFFFF to type Valtype.
10968         (Powerpc_relocate_functions::rel16_ha): Likewise.
10969
10970 2008-06-17  Ian Lance Taylor  <iant@google.com>
10971
10972         * output.h (Output_section::Input_section): Initialize p2align_ to
10973         zero for Output_section_data constructors.
10974         (Output_section::Input_section::addralign): If not an input
10975         section, return the alignment of the Output_section_data.
10976         * testsuite/copy_test.cc: New file.
10977         * testsuite/copy_test_1.cc: New file.
10978         * testsuite/copy_test_2.cc: New file.
10979         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10980         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10981         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10982         (copy_test_1_pic.o, copy_test_1.so): New targets.
10983         (copy_test_2_pic.o, copy_test_2.so): New targets.
10984         * testsuite/Makefile.in: Rebuild.
10985
10986         * script-sections.cc (Script_sections::place_orphan): Initialize
10987         local variable exact.
10988
10989 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10990
10991         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10992
10993 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10994             David S. Miller  <davem@davemloft.net>
10995
10996         * powerpc.cc: New file.
10997         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10998         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10999         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11000         * Makefile.in: Rebuild.
11001
11002 2008-06-09  Ian Lance Taylor  <iant@google.com>
11003
11004         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11005         <exception>.
11006         (throwing, orig_terminate): New static variables.
11007         (terminate_handler): New static function.
11008         (t2): Set terminate handler.
11009
11010 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11011
11012         PR 6584
11013         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11014         alignment.
11015
11016 2008-05-30  Cary Coutant  <ccoutant@google.com>
11017
11018         * archive.cc (Archive::include_all_members) Correct to step
11019         over symbol table and extended name table in thin archives.
11020
11021 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11022
11023         PR 6407
11024         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11025         calculation.
11026
11027 2008-05-28  Caleb Howe  <cshowe@google.com>
11028
11029         * reduced_debug_output.cc: New file.
11030         * reduced_debug_output.h: New file.
11031         * options.h (class General_options): Add --strip-debug-non-line.
11032         * options.cc (General_options::finalize): Add strip_debug_non_line
11033         to the strip heirarchy.
11034         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11035         fields.
11036         * layout.cc: Include "reduced_debug_output.h".
11037         (Layout::Layout): Initialize new fields.
11038         (line_only_debug_sections): New static array.
11039         (is_lines_only_debug_sections): New static inline function.
11040         (Layout::include_section): Handle --strip-debug-non-line.
11041         (Layout::make_output_section): If --strip-debug-non-line, build
11042         new output sections for .debug_abbrev and .debug_info.
11043         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11044         gold.  Warn about possible overflow.
11045         (read_signed_LEB_128): Likewise.
11046         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11047         (read_signed_LEB_128): Declare.
11048         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11049         (HFILES): Add reduced_debug_output.h.
11050         * Makefile.in: Rebuild.
11051
11052 2008-05-21  Ian Lance Taylor  <iant@google.com>
11053
11054         * mapfile.cc: New file.
11055         * mapfile.h: New file.
11056         * options.h (class General_options): Add -M/--print-map and -Map.
11057         * options.cc (General_options::finalize): Make -M equivalent to
11058         -Map -.
11059         * main.cc: Include <cstdio> and "mapfile.h".
11060         (main): Open mapfile if requested.
11061         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11062         constructor.  Change caller.
11063         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11064         (queue_middle_tasks): Likewise.
11065         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11066         declarations.
11067         * archive.cc: Include "mapfile.h".
11068         (Archive::add_symbols): Add mapfile parameter.  Change all
11069         callers.  Pass mapfile, symbol, and reason to include_member.
11070         (Archive::include_all_members): Add mapfile parameter.  Change all
11071         callers.
11072         (Archive::include_member): Add mapfile, sym, and why parameters.
11073         Change all callers.  Report inclusion to map file.
11074         * archive.h: Include "fileread.h".
11075         (class Archive): Update declarations.
11076         (Archive::file): New const method.
11077         (class Add_archive_symbols): Add mapfile_ field.  Update
11078         constructor.  Change all callers.
11079         * readsyms.h (class Read_symbols): Likewise.
11080         (class Finish_group): Likewise.
11081         (class Read_script): Likewise.
11082         * common.cc: Include "mapfile.h".
11083         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11084         all callers.
11085         (Symbol_table::do_allocate_commons): Likewise.
11086         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11087         symbol allocation to mapfile.
11088         * common.h (class Allocate_commons_task): Add mapfile_ field.
11089         Update constructor.  Change all callers.
11090         * symtab.h (class Symbol_table): Update declarations.
11091         * layout.cc: Include "mapfile.h".
11092         (Layout_task_runner::run): Print information to mapfile.
11093         (Layout::create_gold_note): Change Output_data_fixed_space to
11094         Output_data_zero_fill.
11095         (Layout::create_build_id): Likewise.
11096         (Layout::print_to_mapfile): New function.
11097         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11098         constructor.  Change caller.
11099         (class Layout): Declare print_to_mapfile.
11100         * output.cc (Output_section::Input_section::print_to_mapfile): New
11101         function.
11102         (Output_section::add_input_section): If producing a map, always
11103         add to input_sections_ list.
11104         (Output_section::do_print_to_mapfile): New function.
11105         (Output_segment::print_sections_to_mapfile): New function.
11106         (Output_segment::print_section_list_to_mapfile): New function.
11107         * output.h: Include "mapfile.h".
11108         (Output_data::print_to_mapfile): New function.
11109         (Output_data::do_print_to_mapfile): New virtual function.
11110         (Output_segment_headers::do_print_to_mapfile): New function.
11111         (Output_file_header::do_print_to_mapfile): New function.
11112         (Output_data_const::do_print_to_mapfile): New function.
11113         (class Output_data_const_buffer): Add map_name_ field.  Update
11114         constructor.  Change all callers.  Add do_print_to_mapfile
11115         function.
11116         (class Output_data_fixed_space): Likewise.
11117         (class Output_data_space): Likewise.
11118         (class Output_data_zero_fill): New class.
11119         (Output_data_strtab::do_print_to_mapfile): New function.
11120         (Output_data_reloc_base::do_print_to_mapfile): New function.
11121         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11122         (Output_data_group::do_print_to_mapfile): New function.
11123         (Output_data_got::do_print_to_mapfile): New function.
11124         (Output_data_dynamic::do_print_to_mapfile): New function.
11125         (Output_symtab_xindex::do_print_to_mapfile): New function.
11126         (class Output_section): Declare do_print_to_mapflie.  Declare
11127         print_to_mapfile in Input_section.
11128         (class Output_segment): Declare new functions.
11129         * object.h (Sized_relobj::symbol_count): New function.
11130         * script-sections.cc
11131         (Output_section_element_dot_assignment::set_section_addresses):
11132         Change Output_data_fixed_space to Output_data_zero_fill.
11133         (Output_data_expression::do_print_to_mapfile): New function.
11134         * script.cc (read_input_script): Add mapfile parameter.  Change
11135         all callers.
11136         * script.h (read_input_script): Update declaration.
11137         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11138         (Eh_frame::do_print_to_mapfile): New function.
11139         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11140         (Output_merge_string::do_print_to_mapfile): New function.
11141         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11142         function.
11143         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11144         function.
11145         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11146         function.
11147         * Makefile.am (CCFILES): Add mapfile.cc.
11148         (HFILES): Add mapfile.h.
11149         * Makefile.in: Rebuild.
11150
11151 2008-05-19  Ian Lance Taylor  <iant@google.com>
11152
11153         * options.h (class General_options): Add -z relro.
11154         * layout.cc (Layout::Layout): Initialize relro_segment_.
11155         (Layout::add_output_section_data): Return the output section.
11156         (Layout::make_output_section): Rcognize relro sections and mark
11157         them appropriately.
11158         (Layout::attach_allocated_section_to_segment): Put relro sections
11159         in a PT_GNU_RELRO segment.
11160         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11161         section as relro.
11162         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11163         PT_TLS segments.
11164         (Layout::linkonce_mapping): Map d.rel.ro.local to
11165         .data.rel.ro.local.
11166         (Layout::output_section_name): Us .data.rel.ro.local for any
11167         section which begins with that.
11168         * layout.h (class Layout): Update add_output_section_data
11169         declaration.  Add relro_segment_ field.
11170         * output.cc (Output_section::Output_section): Initialize is_relro_
11171         and is_relro_local_ fields.
11172         (Output_segment::add_output_section): Group relro sections.
11173         (Output_segment::is_first_section_relro): New function.
11174         (Output_segment::maximum_alignment): If there is a relro section,
11175         align the segment to the common page size.
11176         (Output_segment::set_section_addresses): Track whether we are
11177         looking at relro sections.  If the last section is a relro
11178         section, align to the common page size.
11179         (Output_segment::set_section_list_addresses): Add in_relro
11180         parameter.  Change all callers.  Align to the page size when
11181         moving from relro to non-relro section.
11182         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11183         segment.
11184         * output.h (class Output_section): Add is_relro_ and
11185         is_relro_local_ fields.
11186         (Output_section::is_relro): New function.
11187         (Output_section::set_is_relro): New function.
11188         (Output_section::is_relro_local): New function.
11189         (Output_section::set_is_relro_local): New function.
11190         (class Output_segment): Update declarations.
11191         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11192         * sparc.cc (Target_sparc::got_section): Likewise.
11193         * x86_64.cc (Target_x86_64::got_section): Likewise.
11194         * testsuite/relro_test_main.cc: New file.
11195         * testsuite/relro_test.cc: New file.
11196         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11197         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11198         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11199         (relro_test.so, relro_test_pic.o): New targets.
11200         * testsuite/Makefile.in: Rebuild.
11201
11202 2008-05-16  Ian Lance Taylor  <iant@google.com>
11203
11204         * output.cc (Output_segment::add_output_section): Remove front
11205         parameter.
11206         * output.h (class Output_segment): Remove
11207         add_initial_output_section and overloaded add_output_section.
11208         Update declaration of remaining add_output_section.
11209         * layout.cc (Layout::create_interp): Call add_output_section
11210         rather than add_initial_output_section.
11211         (Layout::finish_dynamic_section): Likewise.
11212
11213         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11214         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11215         know the dynamic type.
11216         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11217         field.  Initialize it in constructor.
11218         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11219         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11220         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11221         reloc.
11222
11223         * output.cc (Output_reloc::get_address): Change return type to
11224         Elf_Addr.
11225         * output.h (class Output_reloc): Update get_address declaration.
11226         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11227         for section addresses.
11228
11229 2008-05-09  Ian Lance Taylor  <iant@google.com>
11230
11231         PR 6493
11232         * gold.cc (gold_nomem): Use return value of write.
11233
11234 2008-05-08  Ian Lance Taylor  <iant@google.com>
11235
11236         * symtab.c (Symbol::init_base_output_data): Add version
11237         parameter.  Change all callers.
11238         (Symbol::init_base_output_segment): Likewise.
11239         (Symbol::init_base_constant): Likewise.
11240         (Symbol::init_base_undefined): Likewise.
11241         (Sized_symbol::init_output_data): Likewise.
11242         (Sized_symbol::init_output_segment): Likewise.
11243         (Sized_symbol::init_constant): Likewise.
11244         (Sized_symbol::init_undefined): Likewise.
11245         (Symbol_table::do_define_in_output_data): If the new symbol has a
11246         version, mark it as the default.
11247         (Symbol_table::do_define_in_output_segment): Likewise.
11248         (Symbol_table::do_define_as_constant): Likewise.
11249         * symtab.h (class Symbol): Update declarations.
11250         (class Sized_symbol): Likewise.
11251         * resolve.cc (Symbol::override_version): New function.
11252         (Symbol::override_base): Call override_version.
11253         (Symbol::override_base_with_special): Likewise.
11254         * testsuite/ver_script_8.script: New file.
11255         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11256         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11257         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11258         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11259
11260 2008-05-06  Ian Lance Taylor  <iant@google.com>
11261
11262         PR 6049
11263         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11264         functions.
11265         (class General_options): Remove existing --undefined, and add
11266         --no-undefined instead.  Add new --undefined as synonym for -u.
11267         * archive.cc (Archive::add_symbols): Check whether symbol was
11268         named with -u.
11269         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11270         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11271         all uses.  Add IS_UNDEFINED.  Update declarations to split
11272         different versions of init_base.  Declare init_base_undefined.
11273         (Symbol::is_defined): Handle IS_UNDEFINED.
11274         (Symbol::is_undefined): Likewise.
11275         (Symbol::is_weak_undefined): Call is_undefined.
11276         (Symbol::is_absolute): Handle IS_CONSTANT.
11277         (class Sized_symbol): Update declarations to split different
11278         versions of init.  Declare init_undefined.
11279         (class Symbol_table): Declare new functions.
11280         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11281         Change all callers.
11282         (Symbol::init_base_output_data): Likewise.
11283         (Symbol::init_base_output_segment): Likewise.
11284         (Symbol::init_base_constant): Likewise.
11285         (Symbol::init_base_undefined): New function.
11286         (Sized_symbol::init_object): Rename from init.  Change all
11287         callers.
11288         (Sized_symbol::init_output_data): Likewise.
11289         (Sized_symbol::init_output_segment): Likewise.
11290         (Sized_symbol::init_constant): Likewise.
11291         (Sized_symbol::init_undefined): New function.
11292         (Symbol_table::add_undefined_symbols_from_command_line): New
11293         function.
11294         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11295         function.
11296         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11297         (Symbol::output_section): Likewise.
11298         (Symbol::set_output_section): Likewise.
11299         (Symbol_table::sized_finalize_symbol): Likewise.
11300         (Symbol_table::sized_write_globals): Likewise.
11301         * resolve.cc (Symbol_table::should_override): Likewise.
11302         (Symbol::override_base_with_special): Likewise.
11303
11304         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11305         symbol, change it to have default visibility.
11306         * testsuite/protected_1.cc: New file.
11307         * testsuite/protected_2.cc: New file.
11308         * testsuite/protected_3.cc: New file.
11309         * testsuite/protected_main_1.cc: New file.
11310         * testsuite/protected_main_2.cc: New file.
11311         * testsuite/protected_main_3.cc: New file.
11312         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11313         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11314         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11315         (protected_1.so): New target.
11316         (protected_1_pic.o, protected_2_pic.o): New targets.
11317         (protected_3_pic.o): New target.
11318         (check_PROGRAMS): Add protected_2.
11319         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11320         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11321         * testsuite/Makefile.in: Rebuild.
11322
11323         * options.h (DEFINE_var): Add set_user_set_##varname__.
11324         (DEFINE_bool_alias): New macro.
11325         (class General_options): Define -Bstatic using DEFINE_bool_alias
11326         rather than DEFINE_special.  Add --undefined as an alias for -z
11327         defs.
11328         * options.cc (General_options::parse_Bstatic): Remove.
11329
11330         * options.h (class General_options): Add --fatal-warnings.
11331         * main.cc (main): Implement --fatal-warnings.
11332         * errors.h (Errors::warning_count): New function.
11333
11334         * options.h (class General_options): Add -Bsymbolic-functions.
11335         * symtab.h (Symbol::is_preemptible): Check for
11336         -Bsymbolic-functions.
11337
11338 2008-05-05  Ian Lance Taylor  <iant@google.com>
11339
11340         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11341         as noVARNAME rather than no-VARNAME.
11342         (class General_options): Add option -z combreloc.
11343         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11344         get_address.
11345         (Output_reloc::sort_before) [SHT_REL]: New function.
11346         (Output_reloc::sort_before) [SHT_RELA]: New function.
11347         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11348         Sort_relocs_comparison.
11349         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11350         parameter.  Change all callers.
11351         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11352         sort_relocs parameter.  Change all callers.
11353         * output.cc (Output_reloc::get_address): New function, broken out
11354         of write_rel.
11355         (Output_reloc::write_rel): Call it.
11356         (Output_reloc::compare): New function.
11357         (Output_data_reloc_base::do_write): Optionally sort relocs.
11358
11359         * configure.ac: If targ_extra_obj is set, link it in.
11360         * configure.tgt: Initialize all variables.
11361         (x86_64*): Set targ_extra_obj and targ_extra_size.
11362         * configure: Rebuild.
11363
11364         * object.cc (Sized_relobj::include_section_group): Adjust section
11365         indexes read from group data.  Build vector to pass to
11366         layout_group.
11367         * layout.cc (Layout::layout_group): Add flags and shndxes
11368         parameters.  Remove contents parameter.  Change caller.  Update
11369         explicit instantiations.
11370         * layout.h (class Layout): Update layout_group declaration.
11371         * output.cc (Output_data_group::Output_data_group): Add flags and
11372         input_shndxes parameters.  Remove contents parameter.  Change
11373         caller.
11374         (Output_data_group::do_write): Change input_sections_ to
11375         input_shndxes_.
11376         * output.h (class Output_data_group): Update constructor
11377         declaration.  Rename input_sections_ to input_shndxes_.
11378         * testsuite/many_sections_test.cc: Add template.
11379
11380 2008-04-30  Cary Coutant  <ccoutant@google.com>
11381
11382         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11383
11384         * layout.cc (Layout::include_section): Refactored check for debug
11385         info section.
11386         (Layout::add_comdat): Add new parameters.  Change type
11387         of signature parameter.  Add object and shndx to signatures table.
11388         (Layout::find_kept_object): New function.
11389         * layout.h: Include <cstring>.
11390         (Layout::is_debug_info_section): New function.
11391         (Layout::add_comdat): Add new parameters.
11392         (Layout::find_kept_object): New function.
11393         (Layout::Kept_section): New struct.
11394         (Layout::Signatures): Change type of map range.
11395         * object.cc (Relobj::output_section_address): New function.
11396         (Sized_relobj::include_section_group): Add new parameters.  Change
11397         calls to Layout::add_comdat.  Change to build table of kept comdat
11398         groups and table mapping discarded sections to kept sections.
11399         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11400         (Sized_relobj::do_layout): Change calls to include_section_group and
11401         include_linkonce_section.
11402         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11403         value to zero when section is discarded.
11404         (Sized_relobj::map_to_kept_section): New function.
11405         * object.h (Relobj::output_section_address): New function.
11406         (Relobj::Comdat_group): New type.
11407         (Relobj::find_comdat_group): New function.
11408         (Relobj::Comdat_group_table): New type.
11409         (Relobj::Kept_comdat_section): New type.
11410         (Relobj::Kept_comdat_section_table): New type.
11411         (Relobj::add_comdat_group): New function.
11412         (Relobj::set_kept_comdat_section): New function.
11413         (Relobj::get_kept_comdat_section): New function.
11414         (Relobj::comdat_groups_): New field.
11415         (Relobj::kept_comdat_sections_): New field.
11416         (Symbol_value::input_value): Update comment.
11417         (Sized_relobj::map_to_kept_section) New function.
11418         (Sized_relobj::include_linkonce_section): Add new parameter.
11419         * target-reloc.h (Comdat_behavior): New type.
11420         (get_comdat_behavior): New function.
11421         (relocate_section): Add code to map a discarded section to the
11422         corresponding kept section when applying a relocation.
11423
11424 2008-04-30  Craig Silverstein  <csilvers@google.com>
11425
11426         * dwarf_reader.cc (next_generation_count): New static var.
11427         (Addr2line_cache_entry): New struct.
11428         (addr2line_cache): New static var.
11429         (Dwarf_line_info::one_addr2line): Added caching.
11430         (Dwarf_line_info::clear_addr2line_cache): New function.
11431         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11432         cache-size parameter.
11433         (Dwarf_line_info::one_addr2line_cache): New function.
11434         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11435         new cache-size argument to one_addr2line(), and clear cache.
11436
11437 2008-04-28  Cary Coutant  <ccoutant@google.com>
11438
11439         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11440         R_386_PC8 relocations.
11441
11442 2008-04-23  Ian Lance Taylor  <iant@google.com>
11443
11444         * object.cc (Sized_relobj::include_section_group): Check for
11445         invalid section group.
11446
11447         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11448         header size.
11449
11450         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11451         than read for file header.
11452         * archive.cc (Archive::include_member): Likewise.
11453
11454 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11455
11456         * aclocal.m4: Regenerate.
11457         * configure: Regenerate.
11458
11459 2008-04-19  Ian Lance Taylor  <iant@google.com>
11460
11461         * version.cc (version_string): Bump to 1.6.
11462
11463         * testsuite/Makefile.am (many_sections_r_test): New target.
11464         (many_sections_r_test_SOURCES): Remove.
11465         (many_sections_r_test_DEPENDENCIES): Remove.
11466         (many_sections_r_test_LDFLAGS): Remove.
11467         (many_sections_r_test_LDADD): Remove.
11468
11469         * object.cc (Sized_relobj::do_add_symbols): Always pass
11470         local_symbol_count_ to add_from_relobj.
11471
11472         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11473         every thousand variables.
11474         * testsuite/Makefile.in: Rebuild.
11475
11476         * object.cc (Xindex::initialize_symtab_xindex): New function.
11477         (Xindex::read_symtab_xindex): New function.
11478         (Xindex::sym_xindex_to_shndx): New function.
11479         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11480         available.
11481         (Sized_relobj::do_initialize_xindex): New function.
11482         (Sized_relobj::do_read_symbols): Adjust section links.
11483         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11484         parameter.  Change all callers.
11485         (Sized_relobj::include_section_group): Adjust section links and
11486         symbol section indexes.
11487         (Sized_relobj::do_layout): Adjust section links.
11488         (Sized_relobj::do_count_local_symbols): Adjust section links and
11489         symbol section indexes.
11490         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11491         ordinary and special symbols.
11492         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11493         dynsym_xindex parameters.  Change all callers.  Adjust section
11494         links.  Use SHN_XINDEX when needed.
11495         (Sized_relobj::get_symbol_location_info): Adjust section links.
11496         Don't get fooled by special symbols.
11497         * object.h (class Xindex): Define.
11498         (class Object): Add xindex_ parameter.  Declare virtual functoin
11499         do_initialize_xindex.
11500         (Object::adjust_sym_shndx): New function.
11501         (Object::set_xindex): New protected function.
11502         (class Symbol_value): Add is_ordinary_shndx_ field.
11503         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11504         (Symbol_value::value): Assert ordinary section.
11505         (Symbol_value::initialize_input_to_output_map): Likewise.
11506         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11507         Change all callers.
11508         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11509         all callers.
11510         (class Sized_relobj): Update declarations.
11511         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11512         parameter.  Change all callers.
11513         (Sized_relobj::adjust_shndx): New function.
11514         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11515         field.
11516         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11517         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11518         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11519         (Sized_dynobj::read_dynsym_section): Adjust section links.
11520         (Sized_dynobj::read_dynamic): Likewise.
11521         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11522         section links.
11523         (Sized_dynobj::do_initialize_xindex): New function.
11524         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11525         do_initialize_xindex.
11526         (Sized_dynobj::adjust_shndx): New function.
11527         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11528         dynsym_xindex_ fields.
11529         (Layout::finalize): Add a call to set_section_indexes before
11530         creating the symtab sections.
11531         (Layout::set_section_indexes): Don't do anything if the section
11532         already has a section index.
11533         (Layout::create_symtab_sections): Add shnum parameter.  Change
11534         caller.  Create .symtab_shndx section if needed.
11535         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11536         caller.
11537         (Layout::allocated_output_section_count): New function.
11538         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11539         needed.
11540         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11541         fields.  Update declarations.
11542         (Layout::symtab_xindex): New function.
11543         (Layout::dynsym_xindex): New function.
11544         (class Write_symbols_task): Add layout_ field.
11545         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11546         Change caller.
11547         * output.cc (Output_section_headers::Output_section_headers): Add
11548         shstrtab_section parameter.  Change all callers.
11549         (Output_section_headers::do_sized_write): Store overflow values
11550         for section count and section string table section index in
11551         section header zero.
11552         (Output_file_header::do_sized_write): Check for overflow of
11553         section count and section string table section index.
11554         (Output_symtab_xindex::do_write): New function.
11555         (Output_symtab_xindex::endian_do_write): New function.
11556         * output.h (class Output_section_headers): Add shstrtab_section_.
11557         Update declarations.
11558         (class Output_symtab_xindex): Define.
11559         (Output_section::has_out_shndx): New function.
11560         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11561         field.
11562         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11563         Change all callers.
11564         (Sized_symbol::init): Likewise.
11565         (Symbol::output_section): Check for ordinary symbol.
11566         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11567         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11568         callers.
11569         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11570         Change all callers.  Simplify handling of symbols from sections
11571         not included in the link.
11572         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11573         distinction.
11574         (Weak_alias_sorter::operator()): Assert that symbols are
11575         ordinary.
11576         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11577         distinction.
11578         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11579         parameters.  Change all callers.
11580         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11581         symbol distinction.  Use SHN_XINDEX when needed.
11582         (Symbol_table::write_section_symbol): Add symtab_xindex
11583         parameter.  Change all callers.
11584         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11585         SHN_XINDEX when needed.
11586         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11587         declarations.
11588         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11589         (Symbol::is_defined): Check is_ordinary.
11590         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11591         (Symbol::is_absolute, Symbol::is_common): Likewise.
11592         (class Sized_symbol): Update declarations.
11593         (class Symbol_table): Update declarations.
11594         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11595         parameters.  Change all callers.
11596         (Sized_symbol::override): Likewise.
11597         (Symbol_table::override): Likewise.
11598         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11599         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11600         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11601         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11602         to be in an ordinary section.
11603         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11604         object and is_ordinary parameters.  Change all callers.
11605         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11606         Change all callers.  Don't add undefined or non-ordinary symbols
11607         to reloc_map_.
11608         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11609         Change all callers.
11610         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11611         declarations.
11612         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11613         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11614         (Sized_relobj::relocate_sections): Likewise.
11615         * target-reloc.h (scan_relocs): Adjust section symbol index.
11616         (scan_relocatable_relocs): Likewise.
11617         * i386.cc (Scan::local): Check for ordinary symbols.
11618         * sparc.cc (Scan::local): Likewise.
11619         * x86_64.cc (Scan::local): Likewise.
11620         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11621         to symbol_section_and_value.
11622         * testsuite/many_sections_test.cc: New file.
11623         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11624         (check_PROGRAMS): Add many_sections_test.
11625         (many_sections_test_SOURCES): Define.
11626         (many_sections_test_DEPENDENCIES): Define.
11627         (many_sections_test_LDFLAGS): Define.
11628         (BUILT_SOURCES): Add many_sections_define.h.
11629         (many_sections_define.h): New target.
11630         (BUILT_SOURCES): Add many_sections_check.h.
11631         (many_sections_check.h): New target.
11632         (check_PROGRAMS): Add many_sections_r_test.
11633         (many_sections_r_test_SOURCES): Define.
11634         (many_sections_r_test_DEPENDENCIES): Define.
11635         (many_sections_r_test_LDFLAGS): Define.
11636         (many_sections_r_test_LDADD): Define.
11637         (many_sections_r_test.o): New target.
11638         * testsuite/Makefile.in: Rebuild.
11639
11640 2008-04-17  Cary Coutant  <ccoutant@google.com>
11641
11642         * errors.cc (Errors::info): New function.
11643         (gold_info): New function.
11644         * errors.h (Errors::info): New function.
11645         * gold.h (gold_info): New function.
11646         * object.cc (Input_objects::add_object): Print trace output.
11647         * options.cc (options::parse_set): New function.
11648         (General_options::parse_wrap): Deleted.
11649         (General_options::General_options): Deleted initializer.
11650         * options.h (options::String_set): New typedef.
11651         (options::parse_set): New function.
11652         (DEFINE_set): New macro.
11653         (General_options::wrap): Changed to use DEFINE_set. Changed
11654         callers of any_wrap_symbols and is_wrap_symbol.
11655         (General_options::trace, General_options::trace_symbol):
11656         New options.
11657         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11658         (General_options::wrap_symbols_): Deleted.
11659         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11660
11661 2008-04-17  David S. Miller  <davem@davemloft.net>
11662
11663         * options.cc (General_options::parse_V): New function.
11664         * options.h: Add entries for -V and -Qy.
11665
11666 2008-04-17  Ian Lance Taylor  <iant@google.com>
11667
11668         * common.cc (Symbol_table::allocate_commons): Remove options
11669         parameter.  Change caller.
11670         (Symbol_table::do_allocate_commons): Remove options parameter.
11671         Change caller.  Just call do_allocate_commons_list twice.
11672         (Symbol_table::do_allocate_commons_list): New function, broken out
11673         of do_allocate_commons.
11674         * common.h (class Allocate_commons_task): Remove options_ field.
11675         Update constructor.
11676         * symtab.cc (Symbol_table::Symbol_table): Initialize
11677         tls_commons_.
11678         (Symbol_table::add_from_object): Put TLS common symbols on
11679         tls_commons_ list.
11680         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11681         which are IN_OUTPUT_DATA.
11682         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11683         allocate_commons and do_allocate_commons declarations.  Declare
11684         do_allocate_commons_list.
11685         * gold.cc (queue_middle_tasks): Update creation of
11686         Allocate_commons_task to not pass options.
11687         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11688         (TLS_TEST_C_FLAGS): New variable.
11689         (tls_test_c_pic.o): New target.
11690         (tls_test_shared.so): Link in tls_test_c_pic.o.
11691         (tls_test_c_pic_ie.o): New target.
11692         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11693         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11694         (tls_test_c.o): New target.
11695         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11696         (tls_pic_test_LDADD): Likewise.
11697         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11698         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11699         (tls_test_c_gnu2.o): New target.
11700         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11701         tls_test_c_gnu2.o.
11702         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11703         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11704         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11705         * testsuite/tls_test.cc: Include "config.h".
11706         (t_last): Call t11_last.
11707         * testsuite/tls_test.h (t11, t11_last): Declare.
11708         * testsuite/tls_test_c.c: New file.
11709         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11710         * configure.ac: Check for OpenMP support.
11711         * configure, config.in, Makefile.in: Rebuild.
11712         * testsuite/Makefile.in: Rebuild.
11713
11714 2008-04-16  Cary Coutant  <ccoutant@google.com>
11715
11716         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11717         (Target_i386::tls_base_symbol_defined_): New field.
11718         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11719         (Target_i386::Scan::global): Likewise.
11720         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11721         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11722         (Target_x86_64::tls_base_symbol_defined_): New field.
11723         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11724         (Target_x86_64::Scan::global): Likewise.
11725
11726 2008-04-16  Cary Coutant  <ccoutant@google.com>
11727
11728         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11729         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11730         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11731         building shared libraries.
11732         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11733         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11734         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11735         * testsuite/Makefile.in: Rebuild.
11736         * testsuite/weak_undef.h: New file.
11737         * testsuite/weak_undef_file1.cc: Add extra test cases.
11738         * testsuite/weak_undef_file2.cc: Likewise.
11739         * testsuite/weak_undef_test.cc: Likewise.
11740
11741 2008-04-16  David S. Miller  <davem@davemloft.net>
11742
11743         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11744         Add issued_non_pic_error_ field.  Declare check_non_pic.
11745         (Target_sparc::Scan::check_non_pic): New function.
11746         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11747         (Target_sparc::Scan::global): Likewise.
11748
11749         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11750         * configure: Rebuild.
11751
11752         * options.h (DEFINE_enable): New macro.
11753         (new_dtags): New enable option.
11754         (initfirst, interpose, loadfltr, nodefaultlib,
11755         nodelete, nodlopen, nodump): New -z options.
11756         * layout.cc (Layout:finish_dynamic_section): If new
11757         dtags enabled, emit DT_RUNPATH.  Also, emit a
11758         DT_FLAGS_1 containing any specified -z flags.
11759
11760 2008-04-16  Ian Lance Taylor  <iant@google.com>
11761
11762         * copy-relocs.cc: New file.
11763         * copy-relocs.h: New file.
11764         * reloc.cc: Remove Copy_relocs code.
11765         * reloc.h: Likewise.
11766         * reloc-types.h (struct Reloc_types) [both versions]: Add
11767         get_reloc_addend_noerror.
11768         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11769         variants of add_global which take an addend which must be zero.
11770         * i386.cc: Include "copy-relocs.h".
11771         (class Target_i386): Change type of copy_relocs_ to variable,
11772         update initializer.
11773         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11774         Change all callers.
11775         (Target_i386::do_finalize_sections): Change handling of
11776         copy_relocs_.
11777         * sparc.cc: Include "copy-relocs.h".
11778         (class Target_sparc): Change type of copy_relocs_ to variable,
11779         update initializer.
11780         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11781         Change all callers.
11782         (Target_sparc::do_finalize_sections): Change handling of
11783         copy_relocs_.
11784         * x86_64.cc: Include "copy-relocs.h".
11785         (class Target_x86_64): Change type of copy_relocs_ to variable,
11786         update initializer.
11787         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11788         class.  Change all callers.
11789         (Target_x86_64::do_finalize_sections): Change handling of
11790         copy_relocs_.
11791         * Makefile.am (CCFILES): Add copy-relocs.cc.
11792         (HFILES): Add copy-relocs.h.
11793
11794         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11795
11796         * testsuite/script_test_4.sh: Permit leading zeroes.
11797
11798 2008-04-15  Ian Lance Taylor  <iant@google.com>
11799
11800         * script-sections.cc (Script_sections::create_segments): Use
11801         header_size_adjustment even when there is enough room for the
11802         headers.
11803         * testsuite/script_test_4.sh: New file.
11804         * testsuite/script_test_4.t: New file.
11805         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11806         (check_DATA): Add script_test_4.stdout.
11807         (MOSTLYCLEANFILES): Likewise.
11808         (script_test_4): New target.
11809         (script_test_4.stdout): New target.
11810         * testsuite/Makefile.in: Rebuild.
11811
11812         * sparc.cc: Add definitions for Output_data_plt_sparc class
11813         constants.
11814
11815 2008-04-14  David S. Miller  <davem@davemloft.net>
11816
11817         * sparc.cc: New file.
11818         * Makefile.am (TARGETSOURCES): Add sparc.cc
11819         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11820         * configure.tgt: Document targ_extra_size and
11821         targ_extra_big_endian.  Add entries for sparc-* and
11822         sparc64-*.
11823         * configure.ac: Handle targ_extra_size and
11824         targ_extra_big_endian.
11825         * Makefile.in: Rebuild.
11826         * configure: Likewise.
11827         * po/POTFILES.in: Likewise.
11828         * po/gold.pot: Likewise.
11829
11830 2008-04-14  Ian Lance Taylor  <iant@google.com>
11831
11832         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11833         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11834         in the name/type/flags to section mapping.  Don't call
11835         allocate_output_section.
11836         (Layout::choose_output_section): Change parameter from adjust_name
11837         to is_input_section.  Don't permit input sections after sections
11838         are attached to segments.  Don't call allocate_output_section.
11839         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11840         not write_enable_output_section.
11841         (Layout::make_output_section): Don't push to
11842         unattached_section_list_ nor call attach_to_segment.  Call
11843         attach_section_to_segment if sections are attached.
11844         (Layout::attach_sections_to_segments): New function.
11845         (Layout::attach_section_to_segment): New function.
11846         (Layout::attach_allocated_section_to_segment): Rename from
11847         attach_to_segment.  Remove flags parameter.
11848         (Layout::allocate_output_section): Remove function.
11849         (Layout::write_enable_output_section): Remove function.
11850         * layout.h (class Layout): Update for above changes.  Add new
11851         field sections_are_attached_.
11852         * output.h (Output_section::update_flags_for_input_section): New
11853         function.
11854         * output.cc (Output_section::add_input_section): Call
11855         update_flags_for_input_section.
11856         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11857
11858 2008-04-11  Cary Coutant  <ccoutant@google.com>
11859
11860         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11861         thought unnecessary.
11862         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11863
11864 2008-04-11  Ian Lance Taylor  <iant@google.com>
11865
11866         * output.h (class Output_section_data): Remove inline definition
11867         of set_addralign.
11868         * output.cc (Output_section_data::set_addralign): New function.
11869
11870 2008-04-11  Cary Coutant  <ccoutant@google.com>
11871
11872         Add support for TLS descriptors for i386 and x86_64.
11873         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11874         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11875         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11876         GOT_TYPE_TLS_DESC.
11877         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11878         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11879         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11880         relocations.
11881         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11882         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11883         Fix problem with initial-exec relocations.
11884         (Target_i386::Relocate::relocate_tls): Likewise.
11885         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11886         relaxation.
11887         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11888         support for section-plus-offset dynamic table entries.
11889         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11890         (Output_data_dynamic::Dynamic_entry): Add support for
11891         section-plus-offset dynamic table entries.
11892         (Output_data_dynamic::Classification): Likewise.
11893         (Output_data_dynamic::classification_): Renamed offset_.
11894         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11895         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11896         (Target_x86_64::make_plt_section): New function.
11897         (Target_x86_64::reserve_tlsdesc_entries): New function.
11898         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11899         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11900         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11901         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11902         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11903         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11904         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11905         add extra PLT entry for TLS descriptors.
11906         (Output_data_plt_x86_64::got_): New field.
11907         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11908         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11909         fields.
11910         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11911         descriptors.
11912         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11913         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11914         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11915         R_386_TLS_DESC_CALL relocations.
11916         (Target_x86_64::Scan::global): Likewise.
11917         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11918         for TLS descriptors.
11919         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11920         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11921         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11922         GD-to-IE relaxation.
11923         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11924         and TLS_DESCRIPTORS.
11925         * Makefile.in: Rebuild.
11926         * configure: Rebuild.
11927         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11928         (tls_test_shared2.so): New target.
11929         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11930         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11931         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11932         (tls_shared_gd_to_ie_test_LDADD): New variable.
11933         (tls_shared_gnu2_gd_to_ie_test): New target.
11934         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11935         New targets.
11936         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11937         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11938         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11939         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11940         (tls_shared_gnu2_test): New target.
11941         (tls_test_gnu2_shared.so): New target.
11942         (tls_shared_gnu2_test_SOURCES): New variable.
11943         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11944         (tls_shared_gnu2_test_LDFLAGS): New variable.
11945         (tls_shared_gnu2_test_LDADD): New variable.
11946         * testsuite/Makefile.in: Rebuild.
11947         * testsuite/Makefile.
11948
11949 2008-04-11  Ian Lance Taylor  <iant@google.com>
11950
11951         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11952         justsyms.t.
11953         * testsuite/Makefile.in: Rebuild.
11954
11955         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11956         long.
11957         * testsuite/script_test_2.cc (main): Adjust test.
11958
11959 2008-04-11  David S. Miller  <davem@davemloft.net>
11960             Ian Lance Taylor  <iant@google.com>
11961
11962         * options.h (General_options): Add entries for '-Y' and
11963         '-relax'.
11964         * options.cc (General_options:finalize): If -Y was used, add those
11965         entries to the library path instead of the default "/lib" and
11966         "/usr/lib".
11967
11968 2008-04-11  David S. Miller  <davem@davemloft.net>
11969
11970         * testsuite/justsyms.t: Start at 0x100.
11971         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11972         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11973         long.
11974         * testsuite/script_test_2.cc: Adjust string and section length
11975         checks.
11976
11977 2008-04-09  Ian Lance Taylor  <iant@google.com>
11978
11979         PR gold/5996
11980         * script-sections.cc (Sections_element::allocate_to_segment): Add
11981         orphan parameter.
11982         (Output_section_definition::allocate_to_segment): Likewise.
11983         (Orphan_output_section::allocate_to_segment): Likewise.
11984         (Script_sections::attach_sections_using_phdrs_clause): Don't
11985         propagate non-PT_LOAD segments to orphan sections.
11986         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11987         readelf rather than objdump.
11988         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11989         .interp section and PT_INTERP segment are the same size.
11990         * testsuite/Makefile.in: Rebuild.
11991
11992         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11993         aliases for symbols defined in the same object.
11994         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11995         (weak_alias_test_SOURCES): New variable.
11996         (weak_alias_test_DEPENDENCIES): New variable.
11997         (weak_alias_test_LDFLAGS): New variable.
11998         (weak_alias_test_LDADD): New variable.
11999         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12000         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12001         (weak_alias_test_3.o): New target.
12002         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12003         * testsuite/weak_alias_test_main.cc: New file.
12004         * testsuite/weak_alias_test_1.cc: New file.
12005         * testsuite/weak_alias_test_2.cc: New file.
12006         * testsuite/weak_alias_test_3.cc: New file.
12007
12008 2008-04-08  Ian Lance Taylor  <iant@google.com>
12009
12010         * options.h (class General_options): Add --noinhibit-exec option.
12011         * main.cc (main): Check --noinhibit-exec.
12012
12013         * options.h (class General_options): Define --wrap as a special
12014         option.  Add wrap_symbols_ field.
12015         (General_options::any_wrap_symbols): New function.
12016         (General_options::is_wrap_symbol): New function.
12017         * options.cc (General_options::parse_wrap): New function.
12018         (General_options::General_options): Initialize wrap_symbols_.
12019         * symtab.cc (Symbol_table::wrap_symbol): New function.
12020         (Symbol_table::add_from_object): Handle --wrap.
12021         * symtab.h (class Symbol_table): Declare wrap_symbol.
12022         * target.h (Target::wrap_char): New function.
12023         (Target::Target_info): Add wrap_char field.
12024         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12025         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12026         * testsuite/testfile.cc (Target_test::test_target_info):
12027         Likewise.
12028
12029         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12030         there is one.
12031
12032         * layout.h (class Layout): Add added_eh_frame_data_ field.
12033         * layout.cc (Layout::Layout): Initialize new field.
12034         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12035         output section until we find a section we merged successfully.
12036         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12037         that the size be non-zero.
12038
12039         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12040         qualifier.
12041
12042 2008-04-08  Craig Silverstein  <csilvers@google.com>
12043
12044         * configure.ac: Export new conditional variable HAVE_ZLIB.
12045         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12046         on HAVE_ZLIB.
12047         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12048         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12049
12050 2008-04-07  Ian Lance Taylor  <iant@google.com>
12051
12052         * version.cc (version_string): Set to "1.5".
12053
12054         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12055         Add issued_non_pic_error_ field.  Declare check_non_pic.
12056         (Target_x86_64::Scan::check_non_pic): New function.
12057         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12058         (Target_x86_64::Scan::global): Likewise.
12059
12060         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12061         addend parameter.  Change caller.  Handle merge sections.
12062         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12063         Address to Addend.  Don't add in the result of
12064         local_section_offset, pass down the addend and use the returned
12065         value.
12066         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12067         Update declarations of local_section_offset and symbol_value.
12068         * testsuite/two_file_test_1.cc (t18): New function.
12069         * testsuite/two_file_test_2.cc (f18): New function.
12070         * testsuite/two_file_test_main.cc (main): Call t18.
12071         * testsuite/two_file_test.h (t18, f18): Declare.
12072
12073         * configure.ac: Don't test for objdump, c++filt, or readelf.
12074         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12075         conditionals.
12076         (TEST_READELF): New variable.
12077         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12078         (check_PROGRAMS): Add two_file_strip_test.
12079         (two_file_strip_test): New target.
12080         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12081         (two_file_same_shared_strip_test_SOURCES): New variable.
12082         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12083         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12084         (two_file_same_shared_strip_test_LDADD): New variable.
12085         (two_file_shared_strip.so): New target.
12086         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12087         (ver_test_5.syms, ver_test_7.syms): Likewise.
12088         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12089         (strip_test_3.stdout): Use TEST_OBJDUMP.
12090         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12091
12092 2008-04-04  Cary Coutant  <ccoutant@google.com>
12093
12094         * symtab.h (Symbol::is_weak_undefined): New function.
12095         (Symbol::is_strong_undefined): New function.
12096         (Symbol::is_absolute): New function.
12097         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12098         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12099         absolute symbols.
12100         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12101         (weak_undef_test): New target.
12102         * testsuite/Makefile.in: Rebuild.
12103         * testsuite/weak_undef_file1.cc: New file.
12104         * testsuite/weak_undef_file2.cc: New file.
12105         * testsuite/weak_undef_test.cc: New file.
12106
12107 2008-04-03  Craig Silverstein  <csilvers@google.com>
12108
12109         * compressed_output.h (class Output_compressed_section): Use
12110         unsigned buffer.
12111         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12112         add zlib header.
12113         (zlib_compressed_suffix): Removed.
12114         (Output_compressed_section::set_final_data_size): Use unsigned
12115         buffers.
12116         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12117         Fix linker invocation.
12118         (flagstest_o_specialfile_and_compress_debug_sections):
12119         Likewise.
12120         * testsuite/Makefile.in: Regenerated.
12121
12122 2008-04-02  David S. Miller  <davem@davemloft.net>
12123
12124         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12125         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12126
12127 2008-04-02  Craig Silverstein  <csilvers@google.com>
12128
12129         * TODO: New file.
12130
12131 2008-04-02  Ian Lance Taylor  <iant@google.com>
12132
12133         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12134         parameters.  Update for new key type to views_.  Change all
12135         callers.
12136         (File_read::read): Adjust for byteshift in returned view.
12137         (File_read::add_view): New function, broken out of
12138         find_and_make_view.
12139         (File_read::make_view): New function, broken out of
12140         find_and_make_view.
12141         (File_read::find_or_make_view): Add offset and aligned
12142         parameters.  Rewrite accordingly.  Change all callers.
12143         (File_read::get_view): Add offset and aligned parameters.  Adjust
12144         for byteshift in return value.
12145         (File_read::get_lasting_view): Likewise.
12146         * fileread.h (class File_read): Update declarations.
12147         (class File_read::View): Add byteshift_ field.  Add byteshift to
12148         constructor.  Add byteshift method.
12149         * archive.h (Archive::clear_uncached_views): New function.
12150         (Archive::get_view): Add aligned parameter.  Change all callers.
12151         * object.h (Object::get_view): Add aligned parameter.  Change all
12152         callers.
12153         (Object::get_lasting_view): Likewise.
12154
12155         * fileread.cc (File_read::release): Don't call clear_views if
12156         there are multiple objects.
12157         * fileread.h (File_read::clear_uncached_views): New function.
12158         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12159         on the archive.
12160
12161 2008-03-31  Cary Coutant  <ccoutant@google.com>
12162
12163         Add thin archive support.
12164         * archive.cc (Archive::armagt): New const.
12165         (Archive::setup): Remove task parameter and calls to unlock.
12166         (Archive::unlock_nested_archives): New function.
12167         (Archive::read_header): Add nested_off parameter. Change
12168         all callers.
12169         (Archive::interpret_header): Likewise.
12170         (Archive::include_all_members): Change to handle thin
12171         archives.
12172         (Archive::include_member): Likewise.
12173         * archive.h (Archive::Archive): Add new parameters and
12174         initializers.
12175         (Archive::armagt): New const.
12176         (Archive::setup): Remove task parameter.
12177         (Archive::unlock_nested_archives): New function.
12178         (Archive::read_header): Add nested_off parameter.
12179         (Archive::interpret_header): Likewise.
12180         (Archive::Nested_archive_table): New typedef.
12181         (Archive::is_thin_archive_): New field.
12182         (Archive::nested_archives_): New field.
12183         (Archive::options_): New field.
12184         (Archive::dirpath_): New field.
12185         (Archive::task_): New field.
12186         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12187         for thin archives.  Pass additional parameters to
12188         Archive::Archive.  Unlock the archive file after calling
12189         Archive::setup.
12190
12191 2008-03-29  Ian Lance Taylor  <iant@google.com>
12192
12193         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12194         version symbol to be local.
12195         * testsuite/ver_test_4.sh: New file.
12196         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12197         (check_DATA): Add ver_test_4.syms.
12198         (ver_test_4.syms): New target.
12199         * testsuite/Makefile.in: Rebuild.
12200
12201         * output.cc
12202         (Output_section::Input_section_sort_entry::has_priority): New
12203         function.
12204         (Output_section::Input_section_sort_entry::match_file_name): New
12205         function.
12206         (Output_section::Input_section_sort_entry::match_section_name):
12207         Remove.
12208         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12209         Remove.
12210         (Output_section::Input_section_sort_entry::match_section_file):
12211         Remove.
12212         (Output_section::Input_section_sort_compare::operator()): Rewrite
12213         using new Input_section_sort_entry functions.  Sort crtbegin and
12214         crtend first.  Sort sections with no priority before sections with
12215         a priority.
12216         * testsuite/initpri1.c (d3): Check j != 4.
12217         (cd5): New constructor/destructor function.
12218         (main): Check j != 2.
12219
12220         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12221         new symbol when resolving, don't call set_is_default.
12222         * testsuite/ver_test_7.cc: New file.
12223         * testsuite/ver_test_7.sh: New file.
12224         * testsuite/Makefile.am (ver_test_7.so): New target.
12225         (ver_test_7.o): New target.
12226         (check_SCRIPTS): Add ver_test_7.sh.
12227         (check_DATA): Add ver_test_7.syms.
12228         (ver_test_7.syms): New target.
12229
12230 2008-03-28  Ian Lance Taylor  <iant@google.com>
12231
12232         * layout.cc (Layout::layout): If we see an input section with a
12233         name that needs sorting, set the must_sort flag for the output
12234         section.
12235         (Layout::make_output_section): If the name of the output section
12236         indicates that it might require sorting, set the may_sort flag.
12237         * output.h (Output_section::may_sort_attached_input_sections): New
12238         function.
12239         (Output_section::set_may_sort_attached_input_sections): New
12240         function.
12241         (Output_section::must_sort_attached_input_sections): New
12242         function.
12243         (Output_section::set_must_sort_attached_input_sections): New
12244         function.
12245         (class Output_section): Declare Input_section_sort_entry.  Define
12246         Input_section_sort_compare.  Declare
12247         sort_attached_input_sections.  Add new fields:
12248         may_sort_attached_input_sections_,
12249         must_sort_attached_input_sections_,
12250         attached_input_sections_are_sorted_.
12251         * output.cc (Output_section::Output_section): Initialize new
12252         fields.
12253         (Output_section::add_input_section): Add an entry to
12254         input_sections_ if may_sort or must_sort are true.
12255         (Output_section::set_final_data_size): Call
12256         sort_attached_input_sections if necessary.
12257         (Output_section::Input_section_sort_entry): Define new class.
12258         (Output_section::Input_section_sort_compare::operator()): New
12259         function.
12260         (Output_section::sort_attached_input_sections): New function.
12261         * configure.ac: Check whether the compiler supports constructor
12262         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12263         * testsuite/initpri1.c: New file.
12264         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12265         CONSTRUCTOR_PRIORITY.
12266         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12267         (initpri1_LDFLAGS): New variable.
12268         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12269
12270 2008-03-27  Ian Lance Taylor  <iant@google.com>
12271
12272         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12273         * testsuite/common_test_1.c: New file.
12274         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12275         (common_test_1_SOURCES): New variable.
12276         (common_test_1_DEPENDENCIES): New variable.
12277         (common_test_1_LDFLAGS): New variable.
12278
12279         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12280         and commons_ correctly when NAME/VERSION does not override
12281         NAME/NULL.
12282         * testsuite/ver_test_6.c: New file.
12283         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12284         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12285         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12286
12287 2008-03-26  Ian Lance Taylor  <iant@google.com>
12288
12289         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12290         of an undefined symbol from a version script.
12291         * testsuite/Makefile.am (ver_test_5.so): New target.
12292         (ver_test_5.o): New target.
12293         (check_SCRIPTS): Add ver_test_5.sh.
12294         (check_DATA): Add ver_test_5.syms.
12295         (ver_test_5.syms): New target.
12296         * testsuite/ver_test_5.cc: New file.
12297         * testsuite/ver_test_5.script: New file.
12298         * testsuite/ver_test_5.sh: New file.
12299         * Makefile.in, testsuite/Makefile.in: Rebuild.
12300
12301         PR gold/5986
12302         Fix problems building gold with gcc 4.3.0.
12303         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12304         (gold_error_at_location, gold_warning_at_location): Use it.
12305         * configure.ac: Check whether we can compile and use a template
12306         function with a printf attribute.
12307         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12308         when jumping over bytes.
12309         * object.cc: Instantiate Object::read_section_data.
12310         * debug.h: Include <cstring>
12311         * dwarf_reader.cc: Include <algorithm>
12312         * main.cc: Include <cstring>.
12313         * options.cc: Include <cstring>.
12314         * output.cc: Include <cstring>.
12315         * script.cc: Include <cstring>.
12316         * script.h: Include <string>.
12317         * symtab.cc: Include <cstring> and <algorithm>.
12318         * target-select.cc: Include <cstring>.
12319         * version.cc: Include <string>.
12320         * testsuite/testmain.cc: Include <cstdlib>.
12321         * configure, config.in: Rebuild.
12322
12323 2008-03-25  Ian Lance Taylor  <iant@google.com>
12324
12325         * options.cc: Include "../bfd/bfdver.h".
12326         (options::help): Print bug reporting address.
12327
12328         * version.cc (print_version): Adjust output for current value of
12329         BFD_VERSION_STRING.
12330
12331         * NEWS: New file.
12332
12333         * options.cc (options::help): Print list of supported targets.
12334         * target-select.h: Include <vector>.
12335         (class Target_selector): Make machine_, size_, and is_big_endian_
12336         fields const.  Add bfd_name_ and instantiated_target_ fields.
12337         (Target_selector::Target_selector): Add bfd_name parameter.
12338         (Target_selector::recognize): Make non-virtual, call
12339         do_recognize.
12340         (Target_selector::recognize_by_name): Make non-virtual, call
12341         do_recognize_by_name.
12342         (Target_selector::supported_names): New function.
12343         (Target_selector::bfd_name): New function.
12344         (Target_selector::do_instantiate_target): New pure virtual
12345         function.
12346         (Target_selector::do_recognize): New virtual function.
12347         (Target_selector::do_recognize_by_name): New virtual function.
12348         (Target_selector::instantiate_target): New private function.
12349         (supported_target_names): Declare.
12350         * target-select.cc (Target_selector::Target_selector): Update for
12351         new parameter and fields.
12352         (select_target_by_name): Check that the name matches before
12353         calling recognize_by_name.
12354         (supported_target_names): New function.
12355         * i386.cc (class Target_selector_i386): Update Target_selector
12356         constructor call.  Remove recognize and recognize_by_name.  Add
12357         do_instantiate_target.
12358         * x86_64.cc (class Target_selector_x86_64): Likewise.
12359         * testsuite/testfile.cc (class Target_selector_test): Update for
12360         changes to Target_selector.
12361
12362         * README: Rewrite, with some notes on unsupported features.
12363
12364 2008-03-24  Cary Coutant  <ccoutant@google.com>
12365
12366         * i386.cc (Target_i386::Got_type): New enum declaration.
12367         (Target_i386::Scan::local): Updated callers of Output_data_got
12368         member functions.
12369         (Target_i386::Scan::global): Likewise.
12370         (Target_i386::Relocate::relocate): Likewise.
12371         (Target_i386::Relocate::relocate_tls): Likewise.
12372         * object.h (Got_offset_list): New class.
12373         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12374         (Sized_relobj::local_got_offset): Likewise.
12375         (Sized_relobj::set_local_got_offset): Likewise.
12376         (Sized_relobj::local_has_tls_got_offset): Removed.
12377         (Sized_relobj::local_tls_got_offset): Removed.
12378         (Sized_relobj::set_local_tls_got_offset): Removed.
12379         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12380         * output.cc (Output_data_got::add_global): Added got_type parameter.
12381         (Output_data_got::add_global_with_rel): Likewise.
12382         (Output_data_got::add_global_with_rela): Likewise.
12383         (Output_data_got::add_global_pair_with_rel): New function.
12384         (Output_data_got::add_global_pair_with_rela): New function.
12385         (Output_data_got::add_local): Added got_type parameter.
12386         (Output_data_got::add_local_with_rel): Likewise.
12387         (Output_data_got::add_local_with_rela): Likewise.
12388         (Output_data_got::add_local_pair_with_rel): New function.
12389         (Output_data_got::add_local_pair_with_rela): New function.
12390         (Output_data_got::add_global_tls): Removed.
12391         (Output_data_got::add_global_tls_with_rel): Removed.
12392         (Output_data_got::add_global_tls_with_rela): Removed.
12393         (Output_data_got::add_local_tls): Removed.
12394         (Output_data_got::add_local_tls_with_rel): Removed.
12395         (Output_data_got::add_local_tls_with_rela): Removed.
12396         * output.h (Output_data_got::add_global): Added got_type parameter.
12397         (Output_data_got::add_global_with_rel): Likewise.
12398         (Output_data_got::add_global_with_rela): Likewise.
12399         (Output_data_got::add_global_pair_with_rel): New function.
12400         (Output_data_got::add_global_pair_with_rela): New function.
12401         (Output_data_got::add_local): Added got_type parameter.
12402         (Output_data_got::add_local_with_rel): Likewise.
12403         (Output_data_got::add_local_with_rela): Likewise.
12404         (Output_data_got::add_local_pair_with_rel): New function.
12405         (Output_data_got::add_local_pair_with_rela): New function.
12406         (Output_data_got::add_global_tls): Removed.
12407         (Output_data_got::add_global_tls_with_rel): Removed.
12408         (Output_data_got::add_global_tls_with_rela): Removed.
12409         (Output_data_got::add_local_tls): Removed.
12410         (Output_data_got::add_local_tls_with_rel): Removed.
12411         (Output_data_got::add_local_tls_with_rela): Removed.
12412         * resolve.cc (Symbol::override_base_with_special): Removed
12413         reference to has_got_offset_ field.
12414         * symtab.cc (Symbol::init_fields): Replaced initialization
12415         of got_offset_ with got_offsets_.  Removed initialization
12416         of has_got_offset_
12417         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12418         (Symbol::got_offset): Likewise.
12419         (Symbol::set_got_offset): Likewise.
12420         (Symbol::has_tls_got_offset): Removed.
12421         (Symbol::tls_got_offset): Removed.
12422         (Symbol::set_tls_got_offset): Removed.
12423         (Symbol::got_offset_): Removed.
12424         (Symbol::tls_mod_got_offset_): Removed.
12425         (Symbol::tls_pair_got_offset_): Removed.
12426         (Symbol::got_offsets_): New field.
12427         (Symbol::has_got_offset): Removed.
12428         (Symbol::has_tls_mod_got_offset): Removed.
12429         (Symbol::has_tls_pair_got_offset): Removed.
12430         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12431         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12432         member functions.
12433         (Target_x86_64::Scan::global): Likewise.
12434         (Target_x86_64::Relocate::relocate): Likewise.
12435         (Target_x86_64::Relocate::relocate_tls): Likewise.
12436
12437 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12438
12439         * yyscript.y: Fix spelling error in comment.
12440
12441 2008-03-24  Ian Lance Taylor  <iant@google.com>
12442
12443         * options.h (class General_options): Define build_id option.
12444         * layout.h (class Layout): Declare write_build_id, create_note,
12445         create_build_id.  Add build_id_note_ member.
12446         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12447         "libiberty.h", "md5.h", "sha1.h".
12448         (Layout::Layout): Initialize eh_frame_data_,
12449         eh_frame_hdr_section_, and build_id_note_.
12450         (Layout::finalize): Call create_build_id.
12451         (Layout::create_note): New function, broken out of
12452         Layout::create_gold_note.
12453         (Layout::create_gold_note): Call create_note.
12454         (Layout::create_build_id): New function.
12455         (Layout::write_build_id): New function.
12456         (Close_task_runner::run): Call write_build_id.
12457
12458         * x86_64.cc: Correct license to GPLv3.
12459
12460 2008-03-23  Ian Lance Taylor  <iant@google.com>
12461
12462         * options.cc: Include "demangle.h".
12463         (parse_optional_string): New function.
12464         (parse_long_option): Handle takes_optional_argument.
12465         (parse_short_option): Update dash_z initializer.  Handle
12466         takes_optional_argument.
12467         (General_options::General_options): Initialize do_demangle_.
12468         (General_options::finalize): Set do_demangle_.  Handle demangling
12469         style.
12470         * options.h (parse_optional_string): Declare.
12471         (struct One_option): Add optional_arg field.  Update constructor.
12472         Update call constructor calls.  Add takes_optional_argument
12473         function.
12474         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12475         (DEFINE_optional_string): Define.
12476         (General_options::demangle): Change from DEFINE_bool to
12477         DEFINE_optional_string.
12478         (General_options::no_demangle): New function.
12479         (General_options::do_demangle): New function.
12480         (General_options::set_do_demangle): New function.
12481         (General_options::execstack_status_): Move definition to end of
12482         class definition.
12483         (General_options::static_): Likewise.
12484         (General_options::do_demangle_): New field.
12485         * object.cc (big_endian>::get_symbol_location_info): Call
12486         Options::do_demangle, not Options::demangle.
12487         * symtab.cc (demangle): Likewise.
12488
12489 2008-03-22  Ian Lance Taylor  <iant@google.com>
12490
12491         * gold.h: Include <cstddef> and <sys/types.h>
12492         * options.h: Include <cstring>.
12493
12494 2008-03-21  Ian Lance Taylor  <iant@google.com>
12495
12496         * Added source code to GNU binutils.