gold/ChangeLog

   1 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         * configure.ac: Check if -mcmodel=medium works.
   4         * configure: Regenerated.
   5
   6 2012-01-24  Cary Coutant  <ccoutant@google.com>
   7
   8         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
   9         definition and ...
  10         (read_unsigned_LEB_128_x): ... this new function.
  11         (read_signed_LEB_128): Replaced with inline definition and ...
  12         (read_signed_LEB_128_x): ... this new function.
  13         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
  14         (read_unsigned_LEB_128): Add inline definition.
  15         (read_signed_LEB_128_x): New function.
  16         (read_signed_LEB_128): Add inline definition.
  17         * testsuite/Makefile.am (leb128_unittest): New unit test.
  18         * testsuite/Makefile.in: Regenerate.
  19         * testsuite/leb128_unittest.cc: New unit test.
  20
  21 2012-01-23  Ian Lance Taylor  <iant@google.com>
  22
  23         PR gold/13617
  24         * i386.cc (Target_i386::do_code_fill): When using a jmp
  25         instruction, pad with nop instructions.
  26         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
  27
  28 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
  29
  30         * x86_64.cc (gc_process_relocs): Add typename on types used in
  31         template.
  32         (scan_relocs): Likewise.
  33         (relocate_section): Likewise.
  34         (apply_relocation): Likewise.
  35
  36 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
  37
  38         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
  39         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
  40         under x32.
  41
  42 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
  43
  44         * x86_64.cc: Initial support for x32.
  45
  46 2012-01-03  Cary Coutant  <ccoutant@google.com>
  47
  48         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  49         Use abstract base class for GOT.
  50         * gold/output.h (class Output_data_got_base): New abstract base class.
  51         (class Output_data_got): Derive from new base class, adjust ctors.
  52         (Output_data_got::reserve_slot): Make virtual; rename to
  53         do_reserve_slot; Adjust callers.
  54         * gold/target.h (Sized_target::init_got_plt_for_update): Return
  55         pointer to abstract base class.
  56         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
  57
  58 2011-12-18  Ian Lance Taylor  <iant@google.com>
  59
  60         * object.h (Relobj::local_symbol_value): New function.
  61         (Relobj::local_plt_offset): New function.
  62         (Relobj::local_has_got_offset): New function.
  63         (Relobj::local_got_offset): New function.
  64         (Relobj::set_local_got_offset): New function.
  65         (Relobj::do_local_symbol_value): New pure virtual function.
  66         (Relobj::do_local_plt_offset): Likewise.
  67         (Relobj::do_local_has_got_offset): Likewise.
  68         (Relobj::do_local_got_offset): Likewise.
  69         (Relobj::do_set_local_got_offset): Likewise.
  70         (Sized_relobj::do_local_has_got_offset): Rename from
  71         local_has_got_offset.
  72         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
  73         (Sized_relobj::do_set_local_got_offset): Rename from
  74         set_local_got_offset.
  75         (Sized_relobj_file::do_local_plt_offset): Rename from
  76         local_plt_offset.
  77         (Sized_relobj_file::do_local_symbol_value): New function.
  78         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
  79         local_plt_offset.
  80         * output.cc (Output_data_got::Got_entry::write): Change object to
  81         Relobj.  Use local_symbol_value.
  82         (Output_data_got::add_global_with_rel): Change rel_dyn to
  83         Output_data_reloc_generic*.  Use add_global_generic.
  84         (Output_data_got::add_global_with_rela): Remove.  Change all
  85         callers to use add_global_with_rel.
  86         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
  87         Output_data_reloc_generic*.  Use add_global_generic.
  88         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
  89         callers to use add_global_pair_with_rel.
  90         (Output_data_got::add_local): Change object to Relobj*.
  91         (Output_data_got::add_local_plt): Likewise.
  92         (Output_data_got::add_local_with_rel): Change object to Relobj*,
  93         change rel_dyn to Output_data_reloc_generic*.  Use
  94         add_local_generic.
  95         (Output_data_got::add_local_with_rela): Remove.  Change all
  96         callers to use all_local_with_rel.
  97         (Output_data_got::add_local_pair_with_rel): Change object to
  98         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
  99         add_output_section_generic.
 100         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 101         callers to use add_local_pair_with_rel.
 102         (Output_data_got::reserve_local): Change object to Relobj*.
 103         * output.h: (class Output_data_reloc_generic): Add pure virtual
 104         declarations for add_global_generic, add_local_generic,
 105         add_output_section_generic.
 106         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 107         functions for Output_data_reloc_generic.  Update declarations for
 108         changes listed in output.cc.
 109         (class Output_data_got): Change template parameter to got_size.
 110         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 111         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 112         function.
 113         (Sized_relobj_incr::do_local_plt_offset): New function.
 114         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 115         add_global_generic.
 116
 117 2011-12-17  Cary Coutant  <ccoutant@google.com>
 118
 119         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 120         * resolve.cc (Symbol_table::resolve): Likewise.
 121         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 122         arrays.
 123         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 124
 125 2011-12-16  Ian Lance Taylor  <iant@google.com>
 126
 127         * output.h (Output_data_reloc_generic::add): Only call
 128         add_dynamic_reloc if this is a dynamic reloc section.
 129
 130 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 131
 132         PR gold/13505
 133         * target-reloc.h (apply_relocation): Replace <64, false> with
 134         <size, big_endian>.
 135
 136 2011-11-25  Nick Clifton  <nickc@redhat.com>
 137
 138         * po/it.po: New Italian translation.
 139
 140 2011-11-17  Sterling Augustine  <saugustine@google.com>
 141
 142         * script.cc (script_include_directive): Implement.
 143         (read_script_file): New local variables name and search_path. Update
 144         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 145         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 146         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 147
 148 2011-11-11  Sterling Augustine  <saugustine@google.com>
 149
 150         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 151         (file_or_sections_cmd): Likewise.
 152
 153 2011-11-11  Doug Kwan  <dougkwan@google.com>
 154
 155         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 156         if --just-symbols is given.
 157
 158 2011-11-10  Doug Kwan  <dougkwan@google.com>
 159
 160         PR gold/13362
 161         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 162         when processing data relocs.
 163         * reloc.h (Relocate_functions::rel_unaligned): New method.
 164         (Relocate_functions::pcrel_unaligned): Ditto.
 165         (Relocate_functions::rel32_unaligned): Ditto.
 166         (Relocate_functions::pcrel32_unaligned): Ditto.
 167
 168 2011-11-09  Doug Kwan  <dougkwan@google.com>
 169
 170         PR gold/13362
 171         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 172         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 173         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 174         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 175         (Relocate_functions::rel_unaligned): New.
 176         (Relocate_functions::rel32_unaligned): New.
 177         * target-reloc.h (relocate_for_relocatable): Add code to handle
 178         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 179         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 180         arm_unaligned_reloc_r): New targets.
 181         * testsuite/Makefile.in: Regenerate.
 182         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 183         linking.
 184
 185 2011-11-02  Ian Lance Taylor  <iant@google.com>
 186
 187         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 188         NATIVE_LINKER.
 189         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 190         * options.cc (General_options::finalize): Use library search path
 191         from configure script if specified.  If not native and no sysroot,
 192         only search TOOLLIBDIR.
 193         * options.h (Search_directory::Search_directory): Change name to
 194         const std::string&.
 195         (General_options::add_to_library_path_with_sysroot): Change arg to
 196         const std::string&.
 197         * configure, Makefile.in, config.in: Rebuild.
 198
 199 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 200
 201         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 202         we are working around the ARM1176 Erratum.
 203         * options.h (General_options::fix_arm1176): Add option.
 204         * testsuite/Makefile.am: Add testcases, and keep current ones
 205         working.
 206         * testsuite/Makefile.in: Regenerate.
 207         * testsuite/arm_fix_1176.s: New file.
 208         * testsuite/arm_fix_1176.sh: Likewise.
 209
 210 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 211
 212         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 213         may_use_blx_.
 214         (Target_arm::may_use_blx): Remove method.
 215         (Target_arm::set_may_use_blx): Likewise.
 216         (Target_arm::may_use_v4t_interworking): New method.
 217         (Target_arm::may_use_v5t_interworking): Likewise.
 218         (Target_arm::may_use_blx_): Remove member variable.
 219         (Arm_relocate_functions::arm_branch_common): Check for v5T
 220         interworking.
 221         (Arm_relocate_functions::thumb_branch_common): Likewise.
 222         (Reloc_stub::stub_type_for_reloc): Likewise.
 223         (Target_arm::do_finalize_sections): Correct interworking checks.
 224         * testsuite/Makefile.am: Add new tests.
 225         * testsuite/Makefile.in: Regenerate.
 226         * testsuite/arm_farcall_arm_arm.s: New test.
 227         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 228         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 229         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 230         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 231         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 232         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 233         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 234
 235 2011-10-31  Cary Coutant  <ccoutant@google.com>
 236
 237         PR gold/13023
 238         * expression.cc (Expression::eval_with_dot): Add
 239         is_section_dot_assignment parameter.
 240         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 241         absolute and assigning to dot within a section.
 242         * script-sections.cc
 243         (Output_section_element_assignment::set_section_addresses): Pass
 244         dot_section to set_if_absolute.
 245         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 246         as is_section_dot_assignment flag to eval_with_dot.
 247         (Output_section_element_dot_assignment::set_section_addresses):
 248         Likewise.
 249         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 250         parameter.  Also set value if relative to dot_section; set the
 251         symbol's output_section.
 252         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 253         parameter.  Adjust all callers.
 254         (Expression::eval_maybe_dot): Likewise.
 255         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 256         Adjust all callers.
 257         * testsuite/script_test_2.t: Test assignment of an absolute value
 258         to dot within an output section element.
 259
 260 2011-10-31  Cary Coutant  <ccoutant@google.com>
 261
 262         * options.h (class General_options): Add --[no-]gnu-unique options.
 263         * symtab.cc (Symbol_table::sized_write_globals): Convert
 264         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 265
 266 2011-10-31  Cary Coutant  <ccoutant@google.com>
 267
 268         PR gold/13359
 269         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 270         unnecessary assertion.
 271         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 272
 273 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 274
 275         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 276         gc_mark_symbol.
 277         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 278         gc_mark_symbol.
 279         Change to just keep the section associated with symbol.
 280         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 281         they are externally visible and --export-dynamic is turned on.
 282         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 283
 284 2011-10-19  Ian Lance Taylor  <iant@google.com>
 285
 286         PR gold/13163
 287         * script-sections.cc
 288         (Output_section_element_dot_assignment::needs_output_section): New
 289         function.
 290
 291 2011-10-19  Ian Lance Taylor  <iant@google.com>
 292
 293         PR gold/13204
 294         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 295         --section-start option was seen.
 296         * options.h (General_options::any_section_start): New function.
 297
 298 2011-10-18  David S. Miller  <davem@davemloft.net>
 299
 300         PR binutils/13301
 301         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 302         member to track relocation locations that have moved during TLS
 303         reloc optimizations.
 304         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 305         (Target_sparc::Relocate::relocate): Adjust view down by 4
 306         bytes if it matches reloc_adjust_addr_.
 307         (Target_sparc::Relocate::relocate_tls): Always move the
 308         __tls_get_addr call delay slot instruction forward 4 bytes when
 309         performing relaxation.
 310
 311 2011-10-18  Cary Coutant  <ccoutant@google.com>
 312
 313         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 314         (Output_file::map_no_anonymous): Check for non-zero
 315         return code from posix_fallocate.
 316
 317 2011-10-17  Cary Coutant  <ccoutant@google.com>
 318
 319         PR gold/13245
 320         * plugin.cc (is_visible_from_outside): Check for symbols
 321         referenced from dynamic objects.
 322         * resolve.cc (Symbol_table::resolve): Don't count references
 323         from dynamic objects as references from real ELF files.
 324         * testsuite/plugin_test_2.sh: Adjust expected result.
 325
 326 2011-10-17  Cary Coutant  <ccoutant@google.com>
 327
 328         * gold.cc: Include timer.h.
 329         (queue_middle_tasks): Stamp time.
 330         (queue_final_tasks): Likewise.
 331         * main.cc (main): Store timer in parameters.  Print timers
 332         for each pass.
 333         * parameters.cc (Parameters::Parameters): Initialize timer_.
 334         (Parameters::set_timer): New function.
 335         (set_parameters_timer): New function.
 336         * parameters.h (Parameters::set_timer): New function.
 337         (Parameters::timer): New function.
 338         (Parameters::timer_): New data member.
 339         (set_parameters_timer): New function.
 340         * timer.cc (Timer::stamp): New function.
 341         (Timer::get_pass_time): New function.
 342         * timer.h (Timer::stamp): New function.
 343         (Timer::get_pass_time): New function.
 344         (Timer::pass_times_): New data member.
 345
 346 2011-10-17  Cary Coutant  <ccoutant@google.com>
 347
 348         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 349         task for members of lib groups.
 350
 351 2011-10-17  Cary Coutant  <ccoutant@google.com>
 352
 353         PR gold/13288
 354         * fileread.cc (File_read::find_view): Add assert.
 355         (File_read::make_view): Move bounds check (replace with assert)...
 356         (File_read::find_or_make_view): ... to here.
 357
 358 2011-10-12  Cary Coutant  <ccoutant@google.com>
 359
 360         * output.cc (Output_file::open_base_file): Handle case where
 361         ::read returns less than requested size.
 362
 363 2011-10-10  Cary Coutant  <ccoutant@google.com>
 364
 365         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 366         Initialize defined_count_.
 367         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 368         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 369         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 370         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 371         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 372         * incremental.h (Sized_relobj_incr::defined_count_): New data
 373         member.
 374         (Sized_incr_dynobj::defined_count_): New data member.
 375         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 376         Return zeroes instead of internal error.
 377
 378 2011-10-10  Cary Coutant  <ccoutant@google.com>
 379
 380         PR gold/13249
 381         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 382         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 383         * output.h (class Output_reloc): Add use_plt_offset flag.
 384         (Output_reloc::type_): Adjust size of bit field.
 385         (Output_reloc::use_plt_offset_): New bit field.
 386         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 387         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 388         flag.  Adjust all callers.
 389         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 390         creating RELATIVE relocations.
 391
 392 2011-10-10  Nick Clifton  <nickc@redhat.com>
 393
 394         * po/es.po: Updated Spanish translation.
 395         * po/fi.po: Updated Finnish translation.
 396
 397 2011-10-03   Diego Novillo  <dnovillo@google.com>
 398
 399         * options.cc (parse_uint): Fix dereference of RETVAL.
 400
 401 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 402
 403         * layout.h (section_order_map_): New member.
 404         (get_section_order_map): New member function.
 405         * output.cc (Output_section::add_input_section): Check for patterns
 406         only when --section-ordering-file is specified.
 407         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 408         output_sections have been formed.
 409         * layout.cc (Layout_Layout): Initialize section_order_map_.
 410         * plugin.cc (update_section_order): Store order in order_map. Do not
 411         update the order.
 412         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 413         * testsuite/Makefile.in: Regenerate.
 414         * testsuite/plugin_section_order.c: New file.
 415         * testsuite/plugin_final_layout.cc: New file.
 416         * testsuite/plugin_final_layout.sh: New file.
 417
 418 2011-09-29  Cary Coutant  <ccoutant@google.com>
 419
 420         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 421         Check for NULL.
 422         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 423         symbols during incremental update.
 424         (Symbol_table::add_from_dynobj): Likewise.
 425
 426 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 427             Ian Lance Taylor  <iant@google.com>
 428
 429         * symtab.cc (Symbol_table::define_special_symbol): Always
 430         canonicalize version string.
 431
 432 2011-09-26  Cary Coutant  <ccoutant@google.com>
 433
 434         * gold.cc (queue_initial_tasks): Move option checks ...
 435         * options.cc (General_options::finalize): ... to here. Disable
 436         some options; make others fatal.
 437
 438 2011-09-26  Cary Coutant  <ccoutant@google.com>
 439
 440         gcc PR lto/47247
 441         * plugin.cc (get_symbols_v2): New function.
 442         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 443         (is_referenced_from_outside): New function.
 444         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 445         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 446         (get_symbols): Pass version parameter.
 447         (get_symbols_v2): New function.
 448         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 449         parameter.
 450         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 451         (onload): Add LDPT_GET_SYMBOLS_V2.
 452         (all_symbols_read_hook): Use get_symbols_v2; check for
 453         LDPR_PREVAILING_DEF_IRONLY_EXP.
 454         * testsuite/plugin_test_3.sh: Update expected results.
 455
 456 2011-09-23  Simon Baldwin  <simonb@google.com>
 457
 458         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 459         configuration options.
 460         * configure: Regenerate.
 461         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 462         * Makefile.in: Regenerate.
 463         * testsuite/Makefile.in: Regenerate.
 464
 465 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 466
 467         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 468
 469 2011-09-19  Cary Coutant  <ccoutant@google.com>
 470
 471         * incremental.cc (can_incremental_update): Fix typo in comment.
 472         * incremental.h (can_incremental_update): Likewise.
 473
 474 2011-09-18  Cary Coutant  <ccoutant@google.com>
 475
 476         * incremental.cc (can_incremental_update): New function.
 477         * incremental.h (can_incremental_update): New function.
 478         * layout.cc (Layout::init_fixed_output_section): Call it.
 479         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 480         * object.cc (Sized_relobj_file::do_layout): Call
 481         can_incremental_update.
 482
 483 2011-09-13  Cary Coutant  <ccoutant@google.com>
 484
 485         * configure.ac: Check for glibc support for gnu_indirect_function
 486         support with static linking, setting automake conditional
 487         IFUNC_STATIC.
 488         * Makefile.in: Regenerate.
 489         * configure: Regenerate.
 490
 491         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 492         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 493         for IFUNC_STATIC.
 494         * testsuite/Makefile.in: Regenerate.
 495
 496 2011-09-13  Cary Coutant  <ccoutant@google.com>
 497
 498         * incremental.cc (Sized_relobj_incr::do_layout): Call
 499         report_comdat_group for kept comdat sections.
 500         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 501         * testsuite/Makefile.in: Regenerate.
 502         * testsuite/incr_comdat_test_1.cc: New source file.
 503         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 504         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 505         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 506
 507 2011-09-13  Ian Lance Taylor  <iant@google.com>
 508
 509         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 510         variable external_symbols_offset.
 511
 512 2011-09-12  Ian Lance Taylor  <iant@google.com>
 513
 514         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 515         triggered if object has no symbols.
 516
 517 2011-09-09  David S. Miller  <davem@davemloft.net>
 518
 519         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 520         (Output_fill_debug_line::do_write): Likewise.
 521
 522 2011-08-29  Cary Coutant  <ccoutant@google.com>
 523
 524         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 525         casts to match formatting specs.
 526         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 527
 528 2011-08-26  Cary Coutant  <ccoutant@google.com>
 529
 530         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 531         remaining hole size when allocating.
 532         (Layout::make_output_section): Set fill methods for debug sections.
 533         * layout.h (Free_list::Free_list_node): Move from private to
 534         public.
 535         (Free_list::set_min_hole_size): New function.
 536         (Free_list::begin, Free_list::end): New functions.
 537         (Free_list::min_hole_): New data member.
 538         * output.cc: Include dwarf.h.
 539         (Output_fill_debug_info::do_minimum_hole_size): New function.
 540         (Output_fill_debug_info::do_write): New function.
 541         (Output_fill_debug_line::do_minimum_hole_size): New function.
 542         (Output_fill_debug_line::do_write): New function.
 543         (Output_section::Output_section): Initialize new data member.
 544         (Output_section::set_final_data_size): Ensure patch space is larger
 545         than minimum hole size.
 546         (Output_section::do_write): Fill holes in debug sections.
 547         * output.h (Output_fill): New class.
 548         (Output_fill_debug_info): New class.
 549         (Output_fill_debug_line): New class.
 550         (Output_section::set_free_space_fill): New function.
 551         (Output_section::free_space_fill_): New data member.
 552         * testsuite/Makefile.am (incremental_test_3): Add
 553         --incremental-patch option.
 554         (incremental_test_4): Likewise.
 555         (incremental_test_5): Likewise.
 556         (incremental_test_6): Likewise.
 557         (incremental_copy_test): Likewise.
 558         (incremental_common_test_1): Likewise.
 559         * testsuite/Makefile.in: Regenerate.
 560
 561 2011-08-26  Nick Clifton  <nickc@redhat.com>
 562
 563         * po/es.po: Updated Spanish translation.
 564
 565 2011-08-01  Cary Coutant  <ccoutant@google.com>
 566
 567         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 568         * gold/testsuite/Makefile.in: Regenerate.
 569         * gold/testsuite/justsyms_exec.c: New source file.
 570         * gold/testsuite/justsyms_lib.c: New source file.
 571
 572 2011-08-01  Cary Coutant  <ccoutant@google.com>
 573
 574         * layout.cc (Layout::set_segment_offsets): Don't realign text
 575         segment if -Ttext was specified.
 576         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 577         file type.
 578         * object.h (Sized_relobj_file::e_type): New function.
 579         (Sized_relobj_file::e_type_): New data member.
 580         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 581         base address for ET_EXEC files.
 582         * target.cc (Target::do_make_elf_object_implementation): Allow
 583         ET_EXEC files with --just-symbols option.
 584
 585 2011-07-28  Cary Coutant  <ccoutant@google.com>
 586
 587         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 588         Add thread_number parameter.
 589         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 590         * workqueue-threads.cc
 591         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 592         current thread if its thread number is greater than desired thread
 593         count.
 594         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 595         Add thread_number parameter.
 596         (Workqueue::should_cancel_thread): Likewise.
 597         (Workqueue::find_runnable_or_wait): Pass thread_number to
 598         should_cancel_thread.
 599         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 600         parameter.
 601
 602 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 603
 604         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 605         only after checking if it cannot be forced local.
 606         * symtab.h (is_externally_visible): Check if the symbol is not forced
 607         local.
 608
 609 2011-07-15  Ian Lance Taylor  <iant@google.com>
 610
 611         * options.h (class General_options): Add --print-output-format.
 612         Move -EL next to -EB, for  better --help output.
 613         * target-select.cc: Include <cstdio>, "options.h", and
 614         "parameters.h".
 615         (Target_selector::do_target_bfd_name): New function.
 616         (print_output_format): New function.
 617         * target-select.h (class Target_selector): Update declarations.
 618         (Target_selector::target_bfd_name): New function.
 619         (print_output_format): Declare.
 620         * main.cc: Include "target-select.h".
 621         (main): Handle --print-output-format.
 622         * gold.cc: Include "target-select.h".
 623         (queue_initial_tasks): Handle --print-output-format when there are
 624         no input files.
 625         * parameters.cc (parameters_force_valid_target): Give a better
 626         error message if -EB/-EL does not match target.
 627         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 628         function.
 629
 630 2011-07-15  Ian Lance Taylor  <iant@google.com>
 631
 632         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 633         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 634         (Output_data_plt_i386::do_write): Write address of .dynamic
 635         section to first entry in .got.plt section.
 636         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 637         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 638         Initialize layout_.
 639         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 640         section to first entry in .got.plt section.
 641         * layout.h (Layout::dynamic_section): New function.
 642
 643 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 644
 645         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 646         to claim_file call.
 647         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 648         input_section_position_, and input_section_glob_.
 649         (read_layout_from_file): Call function section_ordering_specified.
 650         * layout.h (is_section_ordering_specified): New function.
 651         (section_ordering_specified): New function.
 652         (section_ordering_specified_): New boolean member.
 653         * main.cc(main): Call load_plugins after layout object is defined.
 654         * output.cc (Output_section::add_input_section): Use
 655         function section_ordering_specified to check if section ordering is
 656         needed.
 657         * output.cc (Output_section::add_relaxed_input_section): Use
 658         function section_ordering_specified to check if section ordering is
 659         needed.
 660         (Output_section::update_section_layout): New function.
 661         (Output_section::sort_attached_input_sections): Check if input section
 662         must be reordered.
 663         * output.h (Output_section::update_section_layout): New function.
 664         * plugin.cc (get_section_count): New function.
 665         (get_section_type): New function.
 666         (get_section_name): New function.
 667         (get_section_contents): New function.
 668         (update_section_order): New function.
 669         (allow_section_ordering): New function.
 670         (Plugin::load): Add the new interfaces to the transfer vector.
 671         (Plugin_manager::load_plugins): New parameter.
 672         (Plugin_manager::all_symbols_read): New parameter.
 673         (Plugin_manager::claim_file): New parameter. Save the elf object for
 674         unclaimed objects.
 675         (Plugin_manager::get_elf_object): New function.
 676         (Plugin_manager::get_view): Change to directly use the bool to check
 677         if get_view is called from claim_file_hook.
 678         * plugin.h (input_objects): New function
 679         (Plugin__manager::load_plugins): New parameter.
 680         (Plugin_manager::claim_file): New parameter.
 681         (Plugin_manager::get_elf_object): New function.
 682         (Plugin_manager::in_claim_file_handler): New function.
 683         (Plugin_manager::in_claim_file_handler_): New member.
 684         (layout): New function.
 685         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 686         handler with an extra parameter. Make the elf object before calling
 687         claim_file handler.
 688         * testsuite/plugin_test.c (get_section_count): New function pointer.
 689         (get_section_type): New function pointer.
 690         (get_section_name): New function pointer.
 691         (get_section_contents): New function pointer.
 692         (update_section_order): New function pointer.
 693         (allow_section_ordering): New function pointer.
 694         (onload): Check if the new interfaces exist.
 695
 696 2011-07-13  Ian Lance Taylor  <iant@google.com>
 697
 698         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 699         relro section.
 700         * x86_64.cc (Target_x86_64::got_section): Likewise.
 701         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 702         (relro_now_test_SOURCES): New variable.
 703         (relro_now_test_DEPENDENCIES): New variable.
 704         (relro_now_test_LDFLAGS): New variable.
 705         (relro_now_test_LDADD): New variable.
 706         (relro_now_test.so): New target.
 707         * testsuite/Makefile.in: Rebuild.
 708
 709 2011-07-12  Ian Lance Taylor  <iant@google.com>
 710
 711         PR gold/12980
 712         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 713         GLOB_DAT relocation rather than a RELATIVE relocation for a
 714         protected symbol when creating a shared library.
 715         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 716         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 717         * testsuite/protected_main_1.cc (main): Test that protected
 718         function has same address.
 719
 720 2011-07-11  Ian Lance Taylor  <iant@google.com>
 721
 722         PR gold/12979
 723         * options.h (class General_options): Add -Bgroup.
 724         * options.cc (General_options::finalize): If -Bgroup is set,
 725         default to --unresolved-symbols=report-all.
 726         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 727         * target-reloc.h (issue_undefined_symbol_error): Handle
 728         --unresolved-symbols=report-all.
 729
 730 2011-07-08  Ian Lance Taylor  <iant@google.com>
 731
 732         PR gold/11985
 733         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 734         if linker script discards key sections.
 735         (Layout::create_dynamic_symtab): Likewise.
 736         (Layout::assign_local_dynsym_offsets): Likewise.
 737         (Layout::sized_create_version_sections): Likewise.
 738         (Layout::create_interp): Likewise.
 739         (Layout::finish_dynamic_section): Likewise.
 740         (Layout::set_dynamic_symbol_size): Likewise.
 741
 742 2011-07-08  Ian Lance Taylor  <iant@google.com>
 743
 744         PR gold/12386
 745         * options.h (class General_options): Add --unresolved-symbols.
 746         * target-reloc.h (issue_undefined_symbol_error): Check
 747         --unresolved-symbols.  Add comments.
 748
 749 2011-07-08  Ian Lance Taylor  <iant@google.com>
 750
 751         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 752         expression more complex.
 753
 754 2011-07-08  Ian Lance Taylor  <iant@google.com>
 755
 756         PR gold/11317
 757         * target-reloc.h (issue_undefined_symbol_error): New inline
 758         function, broken out of relocate_section.
 759         (relocate_section): Call issue_undefined_symbol_error.
 760         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 761         there is no TLS segment if we are about to issue an undefined
 762         symbol error.
 763         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 764
 765 2011-07-08  Ian Lance Taylor  <iant@google.com>
 766
 767         PR gold/12279
 768         * resolve.cc (Symbol_table::should_override): Add fromtype
 769         parameter.  Change all callers.  Give error when linking together
 770         TLS and non-TLS symbol.
 771         (Symbol_table::should_override_with_special): Add fromtype
 772         parameter.  Change all callers.
 773         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 774         there is no TLS segment if we have reported some errors.
 775         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 776
 777 2011-07-08  Ian Lance Taylor  <iant@google.com>
 778
 779         PR gold/12372
 780         * target.h (Target::plt_address_for_global): New function.
 781         (Target::plt_address_for_local): New function.
 782         (Target::plt_section_for_global): Remove.
 783         (Target::plt_section_for_local): Remove.
 784         (Target::do_plt_address_for_global): New virtual function.
 785         (Target::do_plt_address_for_local): New virtual function.
 786         (Target::do_plt_section_for_global): Remove.
 787         (Target::do_plt_section_for_local): Remove.
 788         (Target::register_global_plt_entry): Add Symbol_table and Layout
 789         parameters.
 790         * output.cc (Output_data_got::Got_entry::write): Use
 791         plt_address_for_global and plt_address_for_local.
 792         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 793         address of output section.
 794         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 795         got_irelative_, and irelative_count_ fields.  Update
 796         declarations.
 797         (Output_data_plt_i386::has_irelative_section): New function.
 798         (Output_data_plt_i386::entry_count): Add irelative_count_.
 799         (Output_data_plt_i386::set_final_data_size): Likewise.
 800         (class Target_i386): Add got_irelative_ and rel_irelative_
 801         fields.  Update declarations.
 802         (Target_i386::Target_i386): Initialize new fields.
 803         (Target_i386::do_plt_address_for_global): New function replacing
 804         do_plt_section_for_global.
 805         (Target_i386::do_plt_address_for_local): New function replacing
 806         do_plt_section_for_local.
 807         (Target_i386::got_section): Create got_irelative_.
 808         (Target_i386::rel_irelative_section): New function.
 809         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 810         fields.  Don't define __rel_iplt_{start,end}.
 811         (Output_data_plt_i386::add_entry): Add symtab and layout
 812         parameters.  Change all callers.  Use different PLT and GOT for
 813         IFUNC symbols.
 814         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 815         layout parameters.  Change all callers.  Use different PLT and
 816         GOT.
 817         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 818         (Output_data_plt_i386::rel_irelative): New function.
 819         (Output_data_plt_i386::address_for_global): New function.
 820         (Output_data_plt_i386::address_for_local): New function.
 821         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 822         IRELATIVE GOT when changing IFUNC GOT entries.
 823         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 824         reloc.
 825         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 826         if we didn't create an IRELATIVE GOT.
 827         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 828         plt_address_for_local.
 829         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 830         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 831         got_irelative_, and irelative_count_ fields.  Update
 832         declarations.
 833         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 834         Initialize new fields.  Remove symtab parameter.  Change all
 835         callers.
 836         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 837         irelative_count_.
 838         (Output_data_plt_x86_64::has_irelative_section): New function.
 839         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 840         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 841         fields.  Update declarations.
 842         (Target_x86_64::Target_x86_64): Initialize new fields.
 843         (Target_x86_64::do_plt_address_for_global): New function replacing
 844         do_plt_section_for_global.
 845         (Target_x86_64::do_plt_address_for_local): New function replacing
 846         do_plt_section_for_local.
 847         (Target_x86_64::got_section): Create got_irelative_.
 848         (Target_x86_64::rela_irelative_section): New function.
 849         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 850         all callers.  Don't create __rel_iplt_{start,end}.
 851         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 852         parameters.  Change all callers.  Use different PLT and GOT for
 853         IFUNC symbols.
 854         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 855         layout parameters.  Change all callers.  Use different PLT and
 856         GOT.
 857         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 858         parameters.  Change all callers.  Use different PLT and GOT for
 859         IFUNC symbols.
 860         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 861         (Output_data_plt_x86_64::rela_irelative): New function.
 862         (Output_data_plt_x86_64::address_for_global): New function.
 863         (Output_data_plt_x86_64::address_for_local): New function.
 864         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 865         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 866         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 867         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 868         parameters.
 869         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 870         reloc.
 871         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 872         symbols if we didn't create an IRELATIVE GOT.
 873         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 874         plt_address_for_local.
 875         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 876         * testsuite/ifuncvar1.c: New test file.
 877         * testsuite/ifuncvar2.c: New test file.
 878         * testsuite/ifuncvar3.c: New test file.
 879         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 880         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 881         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 882         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 883         * testsuite/Makefile.in: Rebuild.
 884
 885 2011-07-07  Cary Coutant  <ccoutant@google.com>
 886
 887         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 888         (two_file_test_1_ndebug.o): Likewise.
 889         (two_file_test_1b_ndebug.o): Likewise.
 890         (two_file_test_2_ndebug.o): Likewise.
 891         (two_file_test_main_ndebug.o): Likewise.
 892         (incremental_test_2): Link with no-debug versions.
 893
 894 2011-07-06  Cary Coutant  <ccoutant@google.com>
 895
 896         * gold/incremental.cc
 897         (Output_section_incremental_inputs::write_info_blocks): Check for
 898         hidden and internal symbols.
 899
 900 2011-07-06  Cary Coutant  <ccoutant@google.com>
 901
 902         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 903         Check disposition for startup file.
 904         (Incremental_inputs::report_command_line): Ignore
 905         --incremental-startup-unchanged option.
 906         * options.cc (General_options::parse_incremental_startup_unchanged):
 907         New function.
 908         (General_options::General_options): Initialize new data member.
 909         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 910         (General_options): Add --incremental-startup-unchanged option.
 911         (General_options::incremental_startup_disposition): New function.
 912         (General_options::incremental_startup_disposition_): New data member.
 913
 914 2011-07-06  Cary Coutant  <ccoutant@google.com>
 915
 916         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 917         input file index to Script_info ctor.
 918         (Sized_incremental_binary::do_file_has_changed): Find the
 919         command-line argument for files named in scripts.
 920         * incremental.h (Script_info::Script_info): New ctor
 921         with input file index.
 922         (Script_info::input_file_index): New function.
 923         (Script_info::input_file_index_): New data member.
 924         (Incremental_binary::get_library): Add const.
 925         (Incremental_binary::get_script_info): Add const.
 926         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 927         * testsuite/Makefile.am (incremental_test_5): New test case.
 928         (incremental_test_6): New test case.
 929         * testsuite/Makefile.in: Regenerate.
 930
 931 2011-07-06  Cary Coutant  <ccoutant@google.com>
 932
 933         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 934         debug output when command lines differ.
 935
 936 2011-07-06  Cary Coutant  <ccoutant@google.com>
 937
 938         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 939         --incremental-patch option.
 940         * layout.cc (Free_list::allocate): Extend allocation beyond original
 941         end if enabled.
 942         (Layout::make_output_section): Mark sections that should get
 943         patch space.
 944         * options.cc (parse_percent): New function.
 945         * options.h (parse_percent): New function.
 946         (DEFINE_percent): New macro.
 947         (General_options): Add --incremental-patch option.
 948         * output.cc (Output_section::Output_section): Initialize new data
 949         members.
 950         (Output_section::add_input_section): Print section name when out
 951         of patch space.
 952         (Output_section::add_output_section_data): Likewise.
 953         (Output_section::set_final_data_size): Add patch space when
 954         doing --incremental-full.
 955         (Output_section::do_reset_address_and_file_offset): Remove patch
 956         space.
 957         (Output_segment::set_section_list_addresses): Print debug output
 958         only if --incremental-update.
 959         * output.h (Output_section::set_is_patch_space_allowed): New function.
 960         (Output_section::is_patch_space_allowed_): New data member.
 961         (Output_section::patch_space_): New data member.
 962         * parameters.cc (Parameters::incremental_full): New function.
 963         * parameters.h (Parameters::incremental_full): New function
 964         * testsuite/Makefile.am (incremental_test_2): Add test for
 965         --incremental-patch option.
 966         * testsuite/Makefile.in: Regenerate.
 967         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 968         (t18): Remove function body.
 969
 970 2011-07-05  Doug Kwan  <dougkwan@google.com>
 971
 972         PR gold/12771
 973         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 974         Arm_Address type for relocation result.
 975         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 976         overflow check.
 977         (Arm_relocate_functions::abs32): Use unaligned access.
 978         (Arm_relocate_functions::rel32): Ditto.
 979         (Arm_relocate_functions::prel31): Ditto.
 980         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 981         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 982         static data relocations.
 983         * testsuite/Makefile.in: Regnerate.
 984         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 985
 986 2011-07-05  Ian Lance Taylor  <iant@google.com>
 987
 988         PR gold/12392
 989         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 990         symbols if necessary.
 991         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 992
 993 2011-07-05  Ian Lance Taylor  <iant@google.com>
 994
 995         PR gold/12952
 996         * resolve.cc (Symbol::override_base_with_special): Simply override
 997         version with special symbol version, ignoring previous version.
 998
 999 2011-07-05  Ian Lance Taylor  <iant@google.com>
1000
1001         * object.cc (Sized_relobj_file::include_section_group): Add
1002         information to comment about signature location.
1003
1004 2011-07-02  Ian Lance Taylor  <iant@google.com>
1005
1006         PR gold/12957
1007         * options.h (class General_options): Add -f and -F.
1008         * options.cc (General_options::finalize): Fatal error if -f/-F
1009         are used without -shared.
1010         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1011
1012 2011-07-02  Ian Lance Taylor  <iant@google.com>
1013
1014         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1015
1016 2011-07-01  Ian Lance Taylor  <iant@google.com>
1017
1018         PR gold/12525
1019         PR gold/12952
1020         * resolve.cc (Symbol::override_base_with_special): Don't override
1021         the version if the overriding symbol has a different name.
1022         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1023         all callers.  If we give an error about an undefined version,
1024         define the base version if necessary.
1025         * dynobj.h (class Versions): Update declaration.
1026         * testsuite/weak_alias_test_5.cc: New file.
1027         * testsuite/weak_alias_test.script: New file.
1028         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1029         and versioned_alias have the right value, and call t2.
1030         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1031         weak_alias_test_5.so.
1032         (weak_alias_test_LDADD): Likewise.
1033         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1034         * testsuite/Makefile.in: Rebuild.
1035
1036 2011-07-01  Ian Lance Taylor  <iant@google.com>
1037
1038         PR gold/12525
1039         * options.h (class General_options): Support -z notext.
1040         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1041         -Wl,-z,notext.
1042         (two_file_shared_nonpic.so): Likewise.
1043         (two_file_shared_mixed.so): Likewise.
1044         (two_file_shared_mixed_1.so): Likewise.
1045         (weak_undef_lib_nonpic.so): Likewise.
1046         (alt/weak_undef_lib_nonpic.so): Likewise.
1047         (tls_test_shared_nonpic.so): Likewise.
1048         * testsuite/Makefile.in: Rebuild.
1049
1050 2011-07-01  Ian Lance Taylor  <iant@google.com>
1051
1052         PR gold/12525
1053         * configure.ac: Test whether static linking works, setting
1054         the automake conditional HAVE_STATIC.
1055         * testsuite/Makefile.am: Disable tests using -static if
1056         HAVE_STATIC is not true.
1057         * configure, testsuite/Makefile.in: Rebuild.
1058
1059 2011-07-01  Ian Lance Taylor  <iant@google.com>
1060
1061         PR gold/12525
1062         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1063         Assert if we see DW_EH_PE_indirect.
1064         * target.h (Target::ehframe_datarel_base): New function.
1065         (Target::do_ehframe_datarel_base): New target function.
1066         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1067         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1068         function.
1069
1070 2011-07-01  Ian Lance Taylor  <iant@google.com>
1071
1072         PR gold/12571
1073         * options.h (class General_options): Add
1074         --ld-generated-unwind-info.
1075         * ehframe.cc (Fde::write): Add address parameter.  Change all
1076         callers.  If associated with PLT, fill in address and size.
1077         (Cie::set_output_offset): Only add merge mapping if there is an
1078         object.
1079         (Cie::write): Add address parameter.  Change all callers.
1080         (Eh_frame::add_ehframe_for_plt): New function.
1081         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1082         input_offset_ fields into union u_, with new plt field.
1083         (Fde::Fde): Adjust for new union field.
1084         (Fde::Fde) [Output_data version]: New constructor.
1085         (Fde::add_mapping): Only add merge mapping if there is an object.
1086         (class Cie): Update declarations.
1087         (class Eh_frame): Declare add_ehframe_for_plt.
1088         * layout.cc (Layout::layout_eh_frame): Break out code into
1089         make_eh_frame_section, and call it.
1090         (Layout::make_eh_frame_section): New function.
1091         (Layout::add_eh_frame_for_plt): New function.
1092         * layout.h (class Layout): Update declarations.
1093         * merge.cc (Merge_map::add_mapping): Add assertion.
1094         * i386.cc: Include "dwarf.h".
1095         (class Output_data_plt_i386): Make first_plt_entry,
1096         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1097         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1098         and plt_eh_frame_fde.
1099         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1100         boundary.  Call add_eh_frame_for_plt if appropriate.
1101         * x86_64.cc: Include "dwarf.h".
1102         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1103         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1104         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1105         and plt_eh_frame_fde.
1106         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1107         appropriate.
1108
1109 2011-06-29  Ian Lance Taylor  <iant@google.com>
1110
1111         PR gold/12629
1112         * object.cc (Sized_relobj_file::layout_section): Change shdr
1113         parameter to be const.
1114         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1115         out of do_layout.
1116         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1117         appropriate.  Call layout_eh_frame_section.
1118         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1119         sections.
1120         * object.h (class Sized_relobj_file): Update declarations.
1121
1122 2011-06-29  Ian Lance Taylor  <iant@google.com>
1123
1124         PR gold/12652
1125         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1126         modifier.
1127         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1128
1129 2011-06-29  Ian Lance Taylor  <iant@google.com>
1130
1131         PR gold/12675
1132         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1133         SHT_X86_64_UNWIND.
1134         * layout.cc (Layout::layout_eh_frame): Likewise.
1135
1136 2011-06-29  Ian Lance Taylor  <iant@google.com>
1137
1138         PR gold/12695
1139         * layout.cc (Layout::symtab_section_shndx): New function.
1140         * layout.h (class Layout): Declare symtab_section_shndx.
1141         * output.cc (Output_section::write_header): Call it.
1142
1143 2011-06-29  Ian Lance Taylor  <iant@google.com>
1144
1145         PR gold/12818
1146         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1147         symbols which are not used in a relocation.
1148
1149 2011-06-28  Ian Lance Taylor  <iant@google.com>
1150
1151         PR gold/12898
1152         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1153         script create indistinguishable segments.
1154         (Layout::set_segment_offsets): Use stable_sort when sorting
1155         segments.  Pass this to Compare_segments constructor.
1156         * layout.h (class Layout): Make segment_precedes non-static.
1157         (class Compare_segments): Change from struct to class.  Add
1158         layout_ field.  Add constructor.
1159         * script-sections.cc
1160         (Script_sections::attach_sections_using_phdrs_clause): Rename
1161         local orphan to is_orphan.  Don't report failure to put empty
1162         section in segment.  On attachment failure, report name of
1163         section, and attach to first PT_LOAD segment.
1164
1165 2011-06-28  Ian Lance Taylor  <iant@google.com>
1166
1167         PR gold/12934
1168         * target-select.cc (Target_selector::Target_selector): Add
1169         emulation parameter.  Change all callers.
1170         (select_target_by_bfd_name): Rename from select_target_by_name.
1171         Change all callers.
1172         (select_target_by_emulation): New function.
1173         (supported_emulation_names): New function.
1174         * target-select.h (class Target_selector): Add emulation_ field.
1175         Update declarations.
1176         (Target_selector::recognize_by_bfd_name): Rename from
1177         recognize_by_name.  Change all callers.
1178         (Target_selector::supported_bfd_names): Rename from
1179         supported_names.  Change all callers.
1180         (Target_selector::recognize_by_emulation): New function.
1181         (Target_selector::supported_emulations): New function.
1182         (Target_selector::emulation): New function.
1183         (Target_selector::do_recognize_by_bfd_name): Rename from
1184         do_recognize_by_name.  Change all callers.
1185         (Target_selector::do_supported_bfd_names): Rename from
1186         do_supported_names.  Change all callers.
1187         (Target_selector::do_recognize_by_emulation): New function.
1188         (Target_selector::do_supported_emulations): New function.
1189         (select_target_by_bfd_name): Change name in declaration.
1190         (select_target_by_emulation): Declare.
1191         (supported_emulation_names): Declare.
1192         * parameters.cc (parameters_force_valid_target): Try to find
1193         target based on emulation from -m option.
1194         * options.h (class General_options): Change doc string for -m.
1195         * options.cc (help): Print emulations.
1196         (General_options::parse_V): Likewise.
1197         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1198         Add emulation parameter.  Change all callers.
1199
1200 2011-06-28  Ian Lance Taylor  <iant@google.com>
1201
1202         * target.h (class Target): Add osabi_ field.
1203         (Target::osabi): New function.
1204         (Target::set_osabi): New function.
1205         (Target::Target): Initialize osabi_.
1206         (Target::do_adjust_elf_header): Make pure virtual.
1207         (Sized_target::do_adjust_elf_header): Declare.
1208         * target.cc (Sized_target::do_adjust_elf_header): New function.
1209         (class Sized_target): Instantiate all versions.
1210         * freebsd.h (class Target_freebsd): Remove.
1211         (Target_selector_freebsd::do_recognize): Call set_osabi on
1212         Target.
1213         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1214         (Target_selector_freebsd::set_osabi): Remove.
1215         * i386.cc (class Target_i386): Inherit from Sized_target rather
1216         than Target_freebsd.
1217         * x86_64.cc (class Target_x86_64): Likewise.
1218
1219 2011-06-28  Ian Lance Taylor  <iant@google.com>
1220
1221         * target.h (Target::can_check_for_function_pointers): Rewrite.
1222         Make non-virtual.
1223         (Target::can_icf_inline_merge_sections): Likewise.
1224         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1225         (Target::Target_info): Add can_icf_inline_merge_sections field.
1226         (Target::do_can_check_for_function_pointers): New virtual
1227         function.
1228         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1229         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1230         from can_check_for_function_pointers, move in file.
1231         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1232         section_may_have_icf_unsafe_poineters, move in file.
1233         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1234         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1235         Rename from can_check_for_function_pointers, move in file.
1236         (Target_i386::can_icf_inline_merge_sections): Remove.
1237         (Target_i386::i386_info): Initialize
1238         can_icf_inline_merge_sections.
1239         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1240         Initialize can_icf_inline_merge_sections.
1241         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1242         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1243         Rename from can_check_for_function_pointers, move in file.
1244         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1245         (Target_x86_64::x86_64_info): Initialize
1246         can_icf_inline_merge_sections.
1247         * testsuite/testfile.cc (Target_test::test_target_info):
1248         Likewise.
1249         * icf.cc (get_section_contents): Correct formatting.
1250
1251 2011-06-27  Ian Lance Taylor  <iant@google.com>
1252
1253         * symtab.cc (Symbol::versioned_name): New function.
1254         (Symbol_table::add_to_final_symtab): Use versioned_name when
1255         appropriate.
1256         (Symbol_table::sized_write_symbol): Likewise.
1257         * symtab.h (class Symbol): Declare versioned_name.
1258         * stringpool.h (class Stringpool_template): Add variant of add
1259         which takes a std::basic_string.
1260         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1261         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1262         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1263         (ver_test_12.o): New target.
1264         * testsuite/Makefile.in: Rebuild.
1265
1266 2011-06-27  Doug Kwan  <dougkwan@google.com>
1267
1268         * arm.cc (Arm_relocate_functions::thm_jump8,
1269         Arm_relocate_functions::thm_jump11): Use a wider signed
1270         type to compute offset.
1271         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1272         arm_thm_jump8.
1273         * testsuite/Makefile.in: Regenerate.
1274         * testsuite/arm_branch_in_range.sh: Check test results of
1275         arm_thm_jump11 and arm_thm_jump8.
1276         * testsuite/arm_thm_jump11.s: New test source file.
1277         * testsuite/arm_thm_jump11.t: New linker script.
1278         * testsuite/arm_thm_jump8.s: New test source file.
1279         * testsuite/arm_thm_jump8.t: New linker script.
1280
1281 2011-06-24  Ian Lance Taylor  <iant@google.com>
1282
1283         * layout.cc: Include "object.h".
1284         (ctors_sections_in_init_array): New static variable.
1285         (Layout::is_ctors_in_init_array): New function.
1286         (Layout::layout): Add entry to ctors_sections_in_init_array if
1287         appropriate.
1288         * layout.h (class Layout): Declare is_ctors_in_init_array.
1289         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1290         is_ctors_reverse_view is set.
1291         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1292         all callers.  Set is_ctors_reverse_view field of View_size.
1293         (Sized_relobj_file::reverse_words): New function.
1294         * object.h (Sized_relobj_file::View_size): Add
1295         is_ctors_reverse_view field.
1296         (class Sized_relobj_file): Update declarations.
1297         * testsuite/initpri3.c: New test.
1298         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1299         initpri3b.
1300         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1301         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1302         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1303         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1304         * testsuite/Makefile.in: Rebuild.
1305
1306 2011-06-24  Cary Coutant  <ccoutant@google.com>
1307
1308         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1309         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1310         (debug_msg_cdebug.err): New targets.
1311         * testsuite/Makefile.in: Regenerate.
1312         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1313         Fix checks for link with shared library.
1314
1315 2011-06-24  Doug Kwan  <dougkwan@google.com>
1316
1317         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1318         skip empty text sections.
1319         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1320
1321 2011-06-22  Ian Lance Taylor  <iant@google.com>
1322
1323         PR gold/12910
1324         * options.h (class General_options): Add --ctors-in-init-array.
1325         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1326         friends as SHT_PROGBITS for merging sections.
1327         (Layout::layout): Remove special handling of .init_array and
1328         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1329         and .dtors if ctors_in_init_array.
1330         (Layout::make_output_section): Force correct section types for
1331         .init_array and friends.  Don't sort if doing relocatable link,
1332         Don't sort .ctors and .dtors if ctors_in_init_array.
1333         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1334         (Layout::output_section_name): Add relobj parameter.  Change all
1335         callers.  Handle .ctors. and .dtors. in code rather than table.
1336         Handle .ctors and .dtors if ctors_in_init_array.
1337         (Layout::match_file_name): New function, moved from output.cc.
1338         * layout.h (class Layout): Update declarations.
1339         * output.cc: Include "layout.h".
1340         (Input_section_sort_entry::get_priority): New function.
1341         (Input_section_sort_entry::match_file_name): Just call
1342         Layout::match_file_name.
1343         (Output_section::Input_section_sort_init_fini_compare::operator()):
1344         Handle .ctors and .dtors.  Sort by explicit priority rather than
1345         by name.
1346         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1347         * testsuite/initpri2.c: New test.
1348         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1349         (check_PROGRAMS): Add initpri2.
1350         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1351         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1352         * configure, testsuite/Makefile.in: Rebuild.
1353
1354 2011-06-19  Ian Lance Taylor  <iant@google.com>
1355
1356         PR gold/12880
1357         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1358         .interp section to a PT_INTERP segment even if we have seen a
1359         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1360         clause in a linker script.
1361         (Layout::finalize): Don't create a .interp section if we've
1362         already create a PT_INTERP segment.
1363         (Layout::create_interp): Always call choose_output_section (revert
1364         patch of 2011-06-17).  Don't create PT_INTERP segment.
1365         * script-sections.cc
1366         (Script_sections::create_note_and_tls_segments): Add a .interp
1367         section to a PT_INTERP segment even if we have seen a
1368         --dynamic-linker option.
1369
1370 2011-06-18  Ian Lance Taylor  <iant@google.com>
1371
1372         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1373         merely because a non-PT_LOAD segment has a dynamic reloc.
1374
1375 2011-06-18  Ian Lance Taylor  <iant@google.com>
1376
1377         * layout.cc (Layout::finish_dynamic_section): Don't create
1378         DT_FLAGS entry if not needed.
1379
1380 2011-06-18  Ian Lance Taylor  <iant@google.com>
1381
1382         PR gold/12745
1383         * layout.cc (Layout::layout_eh_frame): Correct handling of
1384         writable .eh_frame section.
1385
1386 2011-06-17  Ian Lance Taylor  <iant@google.com>
1387
1388         PR gold/12893
1389         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1390         symbol is redefined with the exact same object and value.
1391
1392 2011-06-17  Ian Lance Taylor  <iant@google.com>
1393
1394         PR gold/12880
1395         * layout.h (class Layout): Add interp_segment_ field.
1396         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1397         (Layout::attach_allocated_section_to_segment): If making shared
1398         library, put .interp section in PT_INTERP segment.
1399         (Layout::finalize): Also call create_interp if -dynamic-linker
1400         option was used.
1401         (Layout::create_interp): Assert that there is no PT_INTERP
1402         segment.  If not using a SECTIONS clause, use make_output_section.
1403         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1404         * script-sections.cc
1405         (Script_sections::create_note_and_tls_segments): If making shared
1406         library, put .interp section in PT_INTERP segment.
1407
1408 2011-06-17  Ian Lance Taylor  <iant@google.com>
1409
1410         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1411         when making a shared library.
1412
1413 2011-06-17  Ian Lance Taylor  <iant@google.com>
1414
1415         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1416         parameter.  Change all callers.  Don't issue warning about PC32
1417         against locally defined symbol.
1418
1419 2011-06-16  Ian Lance Taylor  <iant@google.com>
1420
1421         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1422         occurs in same object.
1423
1424 2011-06-14  Alan Modra  <amodra@gmail.com>
1425
1426         * po/POTFILES.in: Regenerate.
1427
1428 2011-06-09  Ian Lance Taylor  <iant@google.com>
1429
1430         * script-sections.cc
1431         (Orphan_output_section::set_section_addresses): For a relocatable
1432         link set address to 0.
1433
1434 2011-06-09  Cary Coutant  <ccoutant@google.com>
1435
1436         PR gold/12804
1437         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1438         used with --compress-debug-sections.
1439         * gold/object.cc (Sized_relobj_file::do_layout): Report
1440         uncompressed size of compressed input sections.
1441
1442 2011-06-08  Cary Coutant  <ccoutant@google.com>
1443
1444         PR gold/12804
1445         * testsuite/two_file_test_2_v1.cc: Change initialization of
1446         v2 to keep it in .data.
1447
1448 2011-06-07  Cary Coutant  <ccoutant@google.com>
1449
1450         * common.cc (Symbol_table::do_allocate_commons_list): Call
1451         gold_fallback.
1452         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1453         (Errors::fallback): New function.
1454         (gold_fallback): New function.
1455         * errors.h (Errors::fallback): New function.
1456         * gold.cc (gold_exit): Change status parameter to enum; adjust
1457         all callers.
1458         (queue_initial_tasks): Call gold_fallback.
1459         * gold.h: Include cstdlib.
1460         (Exit_status): New enum type.
1461         (gold_exit): Change status parameter to enum.
1462         (gold_fallback): New function.
1463         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1464         (Layout::create_symtab_sections): Likewise.
1465         (Layout::create_shdrs): Likewise.
1466         * main.cc (main): Adjust call to gold_exit.
1467         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1468         (Output_data_got::add_got_entry_pair): Likewise.
1469         (Output_section::add_input_section): Likewise.
1470         (Output_section::add_output_section_data): Likewise.
1471         (Output_segment::set_section_list_addresses): Likewise.
1472         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1473
1474 2011-06-07  Cary Coutant  <ccoutant@google.com>
1475
1476         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1477         for incremental links.
1478         * output.cc (Output_segment::set_section_list_addresses): Remove
1479         FIXME and test for TLS or BSS.
1480
1481 2011-06-07  Cary Coutant  <ccoutant@google.com>
1482
1483         * testsuite/Makefile.am: Add incremental_copy_test,
1484         incremental_common_test_1.
1485         * testsuite/Makefile.in: Regenerate.
1486         * testsuite/common_test_1_v1.c: New source file.
1487         * testsuite/common_test_1_v2.c: New source file.
1488         * testsuite/copy_test_v1.cc: New source file.
1489
1490 2011-06-07  Cary Coutant  <ccoutant@google.com>
1491
1492         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1493         update, allocate common from bss section's free list.
1494         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1495         linker-defined symbols.
1496         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1497         Skip GOT and PLT entries that are no longer referenced.
1498         (Output_section_incremental_inputs::write_info_blocks): Mark
1499         linker-defined symbols.
1500         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1501         * output.cc (Output_section::allocate): New function.
1502         * output.h (Output_section::allocate): New function.
1503         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1504         linker-defined symbols.
1505         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1506         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1507         (Symbol::init_base_output_data): Likewise.
1508         (Symbol::init_base_output_segment): Likewise.
1509         (Symbol::init_base_constant): Likewise.
1510         (Sized_symbol::init_output_data): Likewise.
1511         (Sized_symbol::init_output_segment): Likewise.
1512         (Sized_symbol::init_constant): Likewise.
1513         (Symbol_table::do_define_in_output_data): Likewise.
1514         (Symbol_table::do_define_in_output_segment): Likewise.
1515         (Symbol_table::do_define_as_constant): Likewise.
1516         * symtab.h (Symbol::is_predefined): New function.
1517         (Symbol::init_base_output_data): Add is_predefined parameter.
1518         (Symbol::init_base_output_segment): Likewise.
1519         (Symbol::init_base_constant): Likewise.
1520         (Symbol::is_predefined_): New data member.
1521         (Sized_symbol::init_output_data): Add is_predefined parameter.
1522         (Sized_symbol::init_output_segment): Likewise.
1523         (Sized_symbol::init_constant): Likewise.
1524         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1525
1526 2011-06-07  Cary Coutant  <ccoutant@google.com>
1527
1528         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1529         instead of emit_copy_reloc.
1530         (Copy_relocs::emit_copy_reloc): Refactor.
1531         (Copy_relocs::make_copy_reloc): New function.
1532         (Copy_relocs::add_copy_reloc): Remove.
1533         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1534         section.
1535         (Copy_relocs::make_copy_reloc): New function.
1536         (Copy_relocs::add_copy_reloc): Remove.
1537         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1538         unchanged input files.
1539         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1540         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1541         Reserve BSS space for COPY relocations.
1542         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1543         (Output_section_incremental_inputs::write_info_blocks): Record
1544         whether a symbol is copied from a shared object.
1545         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1546         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1547         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1548         (Incremental_input_entry_reader::get_output_symbol_index): Add
1549         is_copy parameter.
1550         (Incremental_binary::emit_copy_relocs): New function.
1551         (Incremental_binary::do_emit_copy_relocs): New function.
1552         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1553         new data member.
1554         (Sized_incremental_binary::add_copy_reloc): New function.
1555         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1556         (Sized_incremental_binary::Copy_reloc): New struct.
1557         (Sized_incremental_binary::Copy_relocs): New typedef.
1558         (Sized_incremental_binary::copy_relocs_): New data member.
1559         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1560         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1561         * target.h (Sized_target::emit_copy_reloc): New function.
1562         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1563
1564 2011-06-02  Cary Coutant  <ccoutant@google.com>
1565
1566         PR gold/12163
1567         * gold/archive.cc (Archive::Archive): Initialize new data member.
1568         (Archive::include_all_members): Return if archive has already been
1569         included.
1570         * gold/archive.h (Archive::include_all_members_): New data member.
1571
1572 2011-06-02  Nick Clifton  <nickc@redhat.com>
1573
1574         * dynobj.h: Fix spelling mistake in comment.
1575         * output.cc: Likewise.
1576
1577 2011-05-31  Doug Kwan  <dougkwan@google.com>
1578             Asier Llano
1579
1580         PR gold/12826
1581         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1582         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1583         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1584         redundant arm_exidx_test.so.
1585         * testsuite/Makefile.in: Regenerate.
1586         (check_SCRIPTS): Add pr12826.sh
1587         (check_DATA): Add pr12826.stdout
1588         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1589         * testsuite/pr12826.sh: New file.
1590         * testsuite/pr12826_1.s: Ditto.
1591         * testsuite/pr12826_1.s: Ditto.
1592
1593 2011-05-30  Ian Lance Taylor  <iant@google.com>
1594
1595         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1596         sections.
1597
1598 2011-05-29  Ian Lance Taylor  <iant@google.com>
1599
1600         PR gold/12804
1601         * testsuite/Makefile.am: Use different file name for two_file_test
1602         temporary file for each incremental test.
1603         * testsuite/Makefile.in: Rebuild.
1604
1605 2011-05-29  Ian Lance Taylor  <iant@google.com>
1606
1607         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1608         binary input file is empty.
1609
1610 2011-05-27  Ian Lance Taylor  <iant@google.com>
1611
1612         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1613         (ver_test_9.so): Likewise.
1614         * testsuite/Makefile.in: Rebuild.
1615
1616 2011-05-26 Cary Coutant  <ccoutant@google.com>
1617
1618         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1619         * incremental.cc (Incremental_inputs::report_input_section): Fix
1620         comment, indentation.
1621         (Incremental_inputs::report_comdat_group): New function.
1622         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1623         of data for incremental input file entry.
1624         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1625         group count, COMDAT group signatures.
1626         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1627         an unchanged input file.
1628         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1629         Initialize new data member.
1630         (Incremental_object_entry::add_comdat_group): New function.
1631         (Incremental_object_entry::get_comdat_group_count): New function.
1632         (Incremental_object_entry::get_comdat_signature_key): New function.
1633         (Incremental_object_entry::groups_): New data member.
1634         (Incremental_inputs::report_comdat_group): New function.
1635         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1636         data for incremental input file entry.
1637         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1638         (Incremental_input_entry_reader::get_input_section): Adjust size of
1639         data for incremental input file entry.
1640         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1641         (Incremental_input_entry_reader::get_comdat_group_signature): New
1642         function.
1643         * object.cc (Sized_relobj::include_section_group): Report kept
1644         COMDAT groups for incremental links.
1645
1646 2011-05-24  David Meyer  <pdox@google.com>
1647
1648         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1649         with name parameter.  Add found_name parameter.
1650         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1651         * dirsearch.h (class Dirsearch): Update declaration.
1652
1653 2011-05-24  Ian Lance Taylor  <iant@google.com>
1654
1655         * archive.cc (Library_base::should_include_member): Pull in object
1656         from archive if it defines the entry symbol.
1657         * parameters.cc (Parameters::entry): New function.
1658         * parameters.h (class Parameters): Declare entry.
1659         * output.h (class Output_file_header): Remove entry_ field.
1660         * output.cc (Output_file_header::Output_file_header): Remove entry
1661         parameter.  Change all callers.
1662         (Output_file_header::entry): Use parameters->entry.
1663         * gold.cc (queue_middle_tasks): Likewise.
1664         * plugin.cc (Plugin_hook::run): Likewise.
1665
1666 2011-05-24 Cary Coutant  <ccoutant@google.com>
1667
1668         * gold.cc (queue_initial_tasks): Pass incremental base filename
1669         to Output_file::open_base_file; don't print error message.
1670         * incremental-dump.cc (main): Adjust call to
1671         Output_file::open_for_modification.
1672         * incremental-dump.cc (main): Likewise.
1673         * incremental.cc (Incremental_inputs::report_command_line):
1674         Ignore --incremental-base option when comparing command lines.
1675         Ignore parameter when given as separate argument.
1676         * options.h (class General_options): Add --incremental-base.
1677         * output.cc (Output_file::Output_file):
1678         (Output_file::open_base_file): Add base_name and writable parameters;
1679         read base file into new file; print error message here.
1680         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1681         callers.
1682         * output.h (Output_file::open_for_modification): Rename to...
1683         (Output_file::open_base_file): ...this; add base_name and
1684         writable parameters; adjust all callers.
1685         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1686         callers.
1687         * testsuite/Makefile.am (incremental_test_4): Test
1688         --incremental-base.
1689         * testsuite/Makefile.in: Regenerate.
1690
1691 2011-05-24 Cary Coutant  <ccoutant@google.com>
1692
1693         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1694         incremental_test_4.
1695         * testsuite/Makefile.in: Regenerate.
1696         * testsuite/two_file_test_1_v1.cc: New test source file.
1697         * testsuite/two_file_test_1b_v1.cc: New test source file.
1698         * testsuite/two_file_test_2_v1.cc: New test source file.
1699
1700 2011-05-24 Cary Coutant  <ccoutant@google.com>
1701
1702         * dynobj.h (Dynobj::do_dynobj): New function.
1703         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1704         flag and soname for shared objects.
1705         * incremental.cc (Incremental_inputs::report_object): Make
1706         either Incremental_object_entry or Incremental_dynobj_entry; add
1707         soname to string table.
1708         (Incremental_inputs::report_input_section): Add assertion.
1709         (Output_section_incremental_inputs::set_final_data_size): Adjust
1710         type of input file entry for shared libraries; adjust size of
1711         shared library info entry.
1712         (Output_section_incremental_inputs::write_input_files): Write
1713         as_needed flag for shared libraries.
1714         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1715         of input file entry for shared libraries; write soname.
1716         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1717         soname from incremental info.
1718         * incremental.h (enum Incremental_input_flags): Add
1719         INCREMENTAL_INPUT_AS_NEEDED.
1720         (Incremental_input_entry::Incremental_input_entry): Initialize new
1721         data member.
1722         (Incremental_input_entry::set_as_needed): New function.
1723         (Incremental_input_entry::as_needed): New function.
1724         (Incremental_input_entry::do_dynobj_entry): New function.
1725         (Incremental_input_entry::as_needed_): New data member.
1726         (Incremental_object_entry::Incremental_object_entry): Don't check
1727         for shared library.
1728         (Incremental_object_entry::do_type): Likewise.
1729         (class Incremental_dynobj_entry): New class.
1730         (Incremental_input_entry_reader::as_needed): New function.
1731         (Incremental_input_entry_reader::get_soname): New function.
1732         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1733         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1734         size of shared library info entry.
1735         * layout.cc (Layout::finish_dynamic_section): Don't test for
1736         incremental link when adding DT_NEEDED entries.
1737         * object.h (Object::Object): Initialize new data member.
1738         (Object::dynobj): New function.
1739         (Object::set_as_needed): New function.
1740         (Object::as_needed): New function.
1741         (Object::do_dynobj): New function.
1742         (Object::as_needed_): New data member.
1743
1744 2011-05-24 Cary Coutant  <ccoutant@google.com>
1745
1746         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1747         info; adjust display of GOT entries.
1748         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1749         vector of input objects; remove file_status_.
1750         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1751         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1752         got_plt reader; call target hooks to reserve GOT entries.
1753         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1754         of input file info header and GOT info entry.
1755         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1756         relocation info.
1757         (Got_plt_view_info::got_descriptor): Remove.
1758         (Got_plt_view_info::sym_index): New data member.
1759         (Got_plt_view_info::input_index): New data member.
1760         (Local_got_offset_visitor::visit): Write input file index.
1761         (Global_got_offset_visitor::visit): Write 0 for input file index.
1762         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1763         with sym_index and input_index.
1764         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1765         incremental info GOT entry; replace got_descriptor with input_index.
1766         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1767         map from input file index to object.
1768         (Sized_relobj_incr::do_layout): Replace direct data member reference
1769         with accessor function.
1770         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1771         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1772         Adjust size of input file info header.
1773         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1774         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1775         (Incremental_input_entry_reader::get_input_section): Adjust size of
1776         input file info header.
1777         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1778         of incremental info GOT entry.
1779         (Incremental_got_plt_reader::get_got_desc): Remove.
1780         (Incremental_got_plt_reader::get_got_symndx): New function.
1781         (Incremental_got_plt_reader::get_got_input_index): New function.
1782         (Sized_incremental_binary::Sized_incremental_binary): Remove
1783         file_status_; add input_objects_.
1784         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1785         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1786         (Sized_incremental_binary::file_is_unchanged): Remove.
1787         (Sized_incremental_binary::set_input_object): New function.
1788         (Sized_incremental_binary::input_object): New function.
1789         (Sized_incremental_binary::file_status_): Remove.
1790         (Sized_incremental_binary::input_objects_): New data member.
1791         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1792         references.
1793         (Sized_relobj_incr::invalid_address): Move to base class.
1794         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1795         class.
1796         (Sized_relobj_incr::do_output_section_offset): Likewise.
1797         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1798         (Sized_relobj_incr::section_offsets_): Likewise.
1799         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1800         function.
1801         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1802         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1803         with accessor function.
1804         (Sized_relobj_file::do_layout): Likewise.
1805         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1806         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1807         (Sized_relobj_file::compute_final_local_value): Replace refs to
1808         section_offsets_ with accessor function.
1809         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1810         * object.h (Relobj::Relobj): Initialize new data members.
1811         (Relobj::add_dyn_reloc): New function.
1812         (Relobj::first_dyn_reloc): New function.
1813         (Relobj::dyn_reloc_count): New function.
1814         (Relobj::first_dyn_reloc_): New data member.
1815         (Relobj::dyn_reloc_count_): New data member.
1816         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1817         references.
1818         (Sized_relobj::Address): New typedef.
1819         (Sized_relobj::invalid_address): Move here from child class.
1820         (Sized_relobj::Sized_relobj): Initialize new data members.
1821         (Sized_relobj::sized_relobj): New function.
1822         (Sized_relobj::is_output_section_offset_invalid): Move here from
1823         child class.
1824         (Sized_relobj::get_output_section_offset): Likewise.
1825         (Sized_relobj::local_has_got_offset): Likewise.
1826         (Sized_relobj::local_got_offset): Likewise.
1827         (Sized_relobj::set_local_got_offset): Likewise.
1828         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1829         (Sized_relobj::clear_got_offsets): New function.
1830         (Sized_relobj::section_offsets): Move here from child class.
1831         (Sized_relobj::do_output_section_offset): Likewise.
1832         (Sized_relobj::do_set_section_offset): Likewise.
1833         (Sized_relobj::Local_got_offsets): Likewise.
1834         (Sized_relobj::local_got_offsets_): Likewise.
1835         (Sized_relobj::section_offsets_): Likewise.
1836         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1837         references.
1838         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1839         class.
1840         (Sized_relobj_file::sized_relobj): New function
1841         (Sized_relobj_file::local_has_got_offset): Move to base class.
1842         (Sized_relobj_file::local_got_offset): Likewise.
1843         (Sized_relobj_file::set_local_got_offset): Likewise.
1844         (Sized_relobj_file::get_output_section_offset): Likewise.
1845         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1846         (Sized_relobj_file::do_output_section_offset): Likewise.
1847         (Sized_relobj_file::do_set_section_offset): Likewise.
1848         (Sized_relobj_file::Local_got_offsets): Likewise.
1849         (Sized_relobj_file::local_got_offsets_): Likewise.
1850         (Sized_relobj_file::section_offsets_): Likewise.
1851         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1852         (all constructors).
1853         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1854         (Output_reloc::get_symbol_index): Likewise.
1855         (Output_reloc::local_section_offset): Likewise.
1856         (Output_reloc::get_address): Likewise.
1857         (Output_reloc::symbol_value): Likewise.
1858         (Output_data_got::reserve_slot): Move to class definition.
1859         (Output_data_got::reserve_local): New function.
1860         (Output_data_got::reserve_slot_for_global): Remove.
1861         (Output_data_got::reserve_global): New function.
1862         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1863         (all constructors, two instantiations).
1864         (Output_reloc::get_relobj): New function (two instantiations).
1865         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1866         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1867         (Output_data_reloc::add_global): Adjust type of relobj.
1868         (Output_data_reloc::add_global_relative): Likewise.
1869         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1870         (Output_data_reloc::add_local): Likewise.
1871         (Output_data_reloc::add_local_relative): Likewise.
1872         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1873         (Output_data_reloc::add_local_section): Likewise.
1874         (Output_data_reloc::add_output_section): Likewise.
1875         (Output_data_reloc::add_absolute): Likewise.
1876         (Output_data_reloc::add_target_specific): Likewise.
1877         (Output_data_got::reserve_slot): Move definition here.
1878         (Output_data_got::reserve_local): New function.
1879         (Output_data_got::reserve_global): New function.
1880         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1881         section_offsets_ with accessor function.
1882         (Sized_relobj_file::write_sections): Likewise.
1883         (Sized_relobj_file::do_relocate_sections): Likewise.
1884         * target.h (Sized_target::reserve_local_got_entry): New function.
1885         (Sized_target::reserve_global_got_entry): New function.
1886         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1887         (Target_x86_64::reserve_global_got_entry): New function.
1888         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1889
1890 2011-05-23 Cary Coutant  <ccoutant@google.com>
1891
1892         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1893         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1894         bit when checking got_type.
1895         * incremental.cc (Sized_incremental_binary::setup_readers):
1896         Store symbol table and string table locations; initialize bit vector
1897         of file status flags.
1898         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1899         unchanged files.
1900         (Sized_incremental_binary::do_process_got_plt): New function.
1901         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1902         (Output_section_incremental_inputs::set_final_data_size): Record
1903         file index for each input file.
1904         (Output_section_incremental_inputs::write_got_plt): Store file index
1905         instead of input entry offset for each GOT entry.
1906         * incremental.h
1907         (Incremental_input_entry::Incremental_input_entry): Initialize new
1908         data member.
1909         (Incremental_input_entry::set_offset): Store file index.
1910         (Incremental_input_entry::get_file_index): New function.
1911         (Incremental_input_entry::file_index_): New data member.
1912         (Incremental_binary::process_got_plt): New function.
1913         (Incremental_binary::do_process_got_plt): New function.
1914         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1915         data members.
1916         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1917         (Sized_incremental_binary::set_file_is_unchanged): New function.
1918         (Sized_incremental_binary::file_is_unchanged): New function.
1919         (Sized_incremental_binary::do_process_got_plt): New function.
1920         (Sized_incremental_binary::file_status_): New data member.
1921         (Sized_incremental_binary::main_symtab_loc_): New data member.
1922         (Sized_incremental_binary::main_strtab_loc_): New data member.
1923         * output.cc (Output_data_got::Got_entry::write): Add case
1924         RESERVED_CODE.
1925         (Output_data_got::add_global): Call add_got_entry.
1926         (Output_data_got::add_global_plt): Likewise.
1927         (Output_data_got::add_global_with_rel): Likewise.
1928         (Output_data_got::add_global_with_rela): Likewise.
1929         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1930         (Output_data_got::add_global_pair_with_rela): Likewise.
1931         (Output_data_got::add_local): Call add_got_entry.
1932         (Output_data_got::add_local_plt): Likewise.
1933         (Output_data_got::add_local_with_rel): Likewise.
1934         (Output_data_got::add_local_with_rela): Likewise.
1935         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1936         (Output_data_got::add_local_pair_with_rela): Likewise.
1937         (Output_data_got::reserve_slot): New function.
1938         (Output_data_got::reserve_slot_for_global): New function.
1939         (Output_data_got::add_got_entry): New function.
1940         (Output_data_got::add_got_entry_pair): New function.
1941         (Output_section::add_output_section_data): Edit FIXME.
1942         * output.h
1943         (Output_section_data_build::Output_section_data_build): New
1944         constructor with size parameter.
1945         (Output_data_space::Output_data_space): Likewise.
1946         (Output_data_got::Output_data_got): Initialize new data member; new
1947         constructor with size parameter.
1948         (Output_data_got::add_constant): Call add_got_entry.
1949         (Output_data_got::reserve_slot): New function.
1950         (Output_data_got::reserve_slot_for_global): New function.
1951         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1952         (Output_data_got::add_got_entry): New function.
1953         (Output_data_got::add_got_entry_pair): New function.
1954         (Output_data_got::free_list_): New data member.
1955         * target.h (Sized_target::init_got_plt_for_update): New function.
1956         (Sized_target::register_global_plt_entry): New function.
1957         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1958         Initialize new data member; call init; add constructor with PLT count.
1959         (Output_data_plt_x86_64::init): New function.
1960         (Output_data_plt_x86_64::add_relocation): New function.
1961         (Output_data_plt_x86_64::reserve_slot): New function.
1962         (Output_data_plt_x86_64::free_list_): New data member.
1963         (Target_x86_64::init_got_plt_for_update): New function.
1964         (Target_x86_64::register_global_plt_entry): New function.
1965         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1966         incremental updates.
1967         (Output_data_plt_x86_64::add_relocation): New function.
1968         * testsuite/object_unittest.cc (Object_test): Set default options.
1969
1970 2011-05-16  Ian Lance Taylor  <iant@google.com>
1971
1972         * options.h (class General_options): Make -i a synonym for -r.
1973
1974 2011-05-16  Ian Lance Taylor  <iant@google.com>
1975
1976         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1977
1978 2011-05-10 Cary Coutant  <ccoutant@google.com>
1979
1980         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1981         strip_all (-s).
1982
1983 2011-05-06  Ian Lance Taylor  <iant@google.com>
1984
1985         * layout.cc (Layout::layout): If the output section flags change,
1986         update the ordering.
1987
1988 2011-04-25 Cary Coutant  <ccoutant@google.com>
1989
1990         * incremental-dump.cc (dump_incremental_inputs): Print local
1991         symbol info for each input file.
1992         * incremental.cc
1993         (Output_section_incremental_inputs::set_final_data_size): Add local
1994         symbol info to input file entries in incremental info.
1995         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1996         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1997         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1998         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1999         implementation.
2000         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2001         (Sized_incr_relobj::do_relocate): Write the local symbols.
2002         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2003         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2004         Adjust size of input file header.
2005         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2006         (Incremental_inputs_reader::get_local_symbol_count): New function.
2007         (Incremental_inputs_reader::get_input_section): Adjust size of input
2008         file header.
2009         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2010         (Sized_incr_relobj::This): New typedef.
2011         (Sized_incr_relobj::sym_size): New const data member.
2012         (Sized_incr_relobj::Local_symbol): New struct.
2013         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2014         (Sized_incr_relobj::do_local_symbol_offset): New function.
2015         (Sized_incr_relobj::local_symbol_count_): New data member.
2016         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2017         (Sized_incr_relobj::local_symbol_index_): New data member.
2018         (Sized_incr_relobj::local_symbol_offset_): New data member.
2019         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2020         (Sized_incr_relobj::local_symbols_): New data member.
2021         * object.h (Relobj::output_local_symbol_count): New function.
2022         (Relobj::local_symbol_offset): New function.
2023         (Relobj::do_output_local_symbol_count): New function.
2024         (Relobj::do_local_symbol_offset): New function.
2025         (Sized_relobj::do_output_local_symbol_count): New function.
2026         (Sized_relobj::do_local_symbol_offset): New function.
2027
2028 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2029
2030         * descriptors.cc (set_close_on_exec): New function.
2031         (Descriptors::open): Use set_close_on_exec.
2032         * output.cc (S_ISLNK): Define if not defined.
2033
2034 2011-04-22 Cary Coutant  <ccoutant@google.com>
2035
2036         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2037         global symbol map.
2038         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2039         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2040         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2041         relocations.
2042         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2043         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2044         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2045         * incremental.h
2046         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2047         function.
2048         (Incremental_binary::apply_incremental_relocs): New function.
2049         (Incremental_binary::do_apply_incremental_relocs): New function.
2050         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2051         data member.
2052         (Sized_incremental_binary::add_global_symbol): New function.
2053         (Sized_incremental_binary::global_symbol): New function.
2054         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2055         (Sized_incremental_binary::symbol_map_): New data member.
2056         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2057         * target.h (Sized_target::apply_relocation): New function.
2058         * target-reloc.h (apply_relocation): New function.
2059         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2060
2061 2011-04-22  Doug Kwan  <dougkwan@google.com>
2062
2063         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2064         flag of a SHT_ARM_EXIDX section.
2065         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2066         * testsuite/Makefile.in: Regenerate.
2067         * testsuite/arm_exidx_test.s: New file.
2068         * testsuite/arm_exidx_test.sh: Same.
2069
2070 2011-04-20 Cary Coutant  <ccoutant@google.com>
2071
2072         PR gold/12689
2073         * archive.h (Incremental_archive_entry::Archive_member):
2074         Initialize arg_serial_ (second constructor).
2075
2076 2011-04-17  Ian Lance Taylor  <iant@google.com>
2077
2078         * object.cc (Relocate_info::location): Simplify location string.
2079         * errors.cc (Errors::error_at_location): Don't print program
2080         name.
2081         (Errors::warning_at_location): Likewise.
2082         (Errors::undefined_symbol): Likewise.
2083         * testsuite/debug_msg.sh: Update accordingly.
2084
2085 2011-04-14 Cary Coutant  <ccoutant@google.com>
2086
2087         * gold/layout.cc (Layout::symtab_section_offset): New function.
2088         * gold/layout.h (Layout::symtab_section_offset): New function.
2089         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2090
2091 2011-04-12  Ian Lance Taylor  <iant@google.com>
2092
2093         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2094         with MREMAP_MAYMOVE.
2095         * output.h (class Output_file): Add map_is_allocated_ field.
2096         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2097         not available, provide stubs.  If mremap is not available, #define
2098         it to gold_mremap.
2099         (MREMAP_MAYMOVE): Define if not defined.
2100         (Output_file::Output_file): Initialize map_is_allocated_.
2101         (Output_file::resize): Check map_is_allocated_.
2102         (Output_file::map_anonymous): If mmap fails, use malloc.
2103         (Output_file::unmap): Don't do anything for an anonymous map.
2104         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2105         is not available, provide stubs.
2106         (File_read::View::~View): Use free rather than delete[].
2107         (File_read::make_view): Use malloc rather than new[].  If mmap
2108         fails, use malloc.
2109         (File_read::find_or_make_view): Use malloc rather than new[].
2110         * gold.h: Remove HAVE_REMAP code.
2111         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2112         exists.  Rename mremap to gold_mremap.  If mmap is not available
2113         don't do anything.
2114         * configure, config.in: Rebuild.
2115
2116 2011-04-11  Ian Lance Taylor  <iant@google.com>
2117
2118         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2119         initialize local variable v.
2120
2121 2011-04-11  Cary Coutant  <ccoutant@google.com>
2122
2123         * archive.cc (Archive::include_member): Adjust call to
2124         report_object.
2125         (Add_archive_symbols::run): Track argument serial numbers.
2126         (Lib_group::include_member): Likewise.
2127         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2128         * archive.h (Incremental_archive_entry::Archive_member):
2129         Initialize arg_serial_.
2130         (Archive_member::arg_serial_): New data member.
2131         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2132         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2133         incremental link.
2134         (Sized_dynobj::do_for_all_local_got_entries): New function.
2135         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2136         function.
2137         * fileread.cc (get_mtime): New function.
2138         * fileread.h (get_mtime): New function.
2139         * gold.cc (queue_initial_tasks): Check for incremental update.
2140         (process_incremental_input): New function.
2141         (queue_middle_tasks): Don't force valid target for incremental
2142         update.
2143         * incremental-dump.cc (find_input_containing_global): Adjust
2144         size of symbol info entry.
2145         (dump_incremental_inputs): Dump argument serial number and
2146         in_system_directory flag; bias shndx by 1; print symbol names
2147         when dumping per-file symbol lists; use new symbol info readers.
2148         * incremental.cc
2149         (Output_section_incremental_inputs:update_data_size): New function.
2150         (Sized_incremental_binary::setup_readers): Setup input readers
2151         for each input file; build maps for files added from libraries
2152         and scripts.
2153         (Sized_incremental_binary::check_input_args): New function.
2154         (Sized_incremental_binary::do_check_inputs): Build map of argument
2155         serial numbers to input arguments.
2156         (Sized_incremental_binary::do_file_has_changed): Rename
2157         do_file_is_unchanged to this; compare file modification times.
2158         (Sized_incremental_binary::do_init_layout): New function.
2159         (Sized_incremental_binary::do_reserve_layout): New function.
2160         (Sized_incremental_binary::do_get_input_reader): Remove.
2161         (Sized_incremental_binary::get_symtab_view): New function.
2162         (Incremental_checker::can_incrementally_link_output_file): Remove.
2163         (Incremental_inputs::report_command_line): Exclude --debug options.
2164         (Incremental_inputs::report_archive_begin): Add parameter; track
2165         argument serial numbers; don't put input file entry for archive
2166         before archive members.
2167         (Incremental_inputs::report_archive_end): Put input file entry
2168         for archive after archive members.
2169         (Incremental_inputs::report_object): Add parameter; track argument
2170         serial numbers and in_system_directory flag.
2171         (Incremental_inputs::report_script): Add parameter; track argument
2172         serial numbers.
2173         (Output_section_incremental_inputs::set_final_data_size): Adjust
2174         size of symbol info entry; check for forwarding symbols.
2175         (Output_section_incremental_inputs::write_input_files): Write
2176         in_system_directory flag and argument serial number.
2177         (Output_section_incremental_inputs::write_info_blocks): Map section
2178         indices between incremental info and original input file; store
2179         input section index for each symbol.
2180         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2181         change operator() to visit().
2182         (class Global_got_offset_visitor): Likewise.
2183         (class Global_symbol_visitor_got_plt):
2184         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2185         classes.
2186         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2187         (Sized_incr_relobj::do_read_symbols): New function.
2188         (Sized_incr_relobj::do_layout): New function.
2189         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2190         (Sized_incr_relobj::do_add_symbols): New function.
2191         (Sized_incr_relobj::do_should_include_member): New function.
2192         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2193         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2194         (Sized_incr_relobj::do_section_size): New function.
2195         (Sized_incr_relobj::do_section_name): New function.
2196         (Sized_incr_relobj::do_section_contents): New function.
2197         (Sized_incr_relobj::do_section_flags): New function.
2198         (Sized_incr_relobj::do_section_entsize): New function.
2199         (Sized_incr_relobj::do_section_address): New function.
2200         (Sized_incr_relobj::do_section_type): New function.
2201         (Sized_incr_relobj::do_section_link): New function.
2202         (Sized_incr_relobj::do_section_info): New function.
2203         (Sized_incr_relobj::do_section_addralign): New function.
2204         (Sized_incr_relobj::do_initialize_xindex): New function.
2205         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2206         (Sized_incr_relobj::do_read_relocs): New function.
2207         (Sized_incr_relobj::do_gc_process_relocs): New function.
2208         (Sized_incr_relobj::do_scan_relocs): New function.
2209         (Sized_incr_relobj::do_count_local_symbols): New function.
2210         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2211         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2212         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2213         (Sized_incr_relobj::do_relocate): New function.
2214         (Sized_incr_relobj::do_set_section_offset): New function.
2215         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2216         (Sized_incr_dynobj::do_read_symbols): New function.
2217         (Sized_incr_dynobj::do_layout): New function.
2218         (Sized_incr_dynobj::do_add_symbols): New function.
2219         (Sized_incr_dynobj::do_should_include_member): New function.
2220         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2221         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2222         (Sized_incr_dynobj::do_section_size): New function.
2223         (Sized_incr_dynobj::do_section_name): New function.
2224         (Sized_incr_dynobj::do_section_contents): New function.
2225         (Sized_incr_dynobj::do_section_flags): New function.
2226         (Sized_incr_dynobj::do_section_entsize): New function.
2227         (Sized_incr_dynobj::do_section_address): New function.
2228         (Sized_incr_dynobj::do_section_type): New function.
2229         (Sized_incr_dynobj::do_section_link): New function.
2230         (Sized_incr_dynobj::do_section_info): New function.
2231         (Sized_incr_dynobj::do_section_addralign): New function.
2232         (Sized_incr_dynobj::do_initialize_xindex): New function.
2233         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2234         (make_sized_incremental_object): New function.
2235         (Incremental_library::copy_unused_symbols): New function.
2236         (Incremental_library::do_for_all_unused_symbols): New function.
2237         * incremental.h (enum Incremental_input_flags): New type.
2238         (class Incremental_checker): Remove.
2239         (Incremental_input_entry::Incremental_input_entry): Add argument
2240         serial number.
2241         (Incremental_input_entry::arg_serial): New function.
2242         (Incremental_input_entry::set_is_in_system_directory): New function.
2243         (Incremental_input_entry::is_in_system_directory): New function.
2244         (Incremental_input_entry::arg_serial_): New data member.
2245         (Incremental_input_entry::is_in_system_directory_): New data member.
2246         (class Script_info): Move here from script.h.
2247         (Script_info::Script_info): Add filename parameter.
2248         (Script_info::filename): New function.
2249         (Script_info::filename_): New data member.
2250         (Incremental_script_entry::Incremental_script_entry): Add argument
2251         serial number.
2252         (Incremental_object_entry::Incremental_object_entry): Likewise.
2253         (Incremental_object_entry::add_input_section): Build list of input
2254         sections with map to original shndx.
2255         (Incremental_object_entry::get_input_section_index): New function.
2256         (Incremental_object_entry::shndx_): New data member.
2257         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2258         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2259         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2260         serial number.
2261         (Incremental_inputs::report_archive_begin): Likewise.
2262         (Incremental_inputs::report_object): Likewise.
2263         (Incremental_inputs::report_script): Likewise.
2264         (class Incremental_global_symbol_reader): New class.
2265         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2266         and store flags and input file type.
2267         (Incremental_input_entry_reader::arg_serial): New function.
2268         (Incremental_input_entry_reader::type): Extract type from flags.
2269         (Incremental_input_entry_reader::is_in_system_directory): New function.
2270         (Incremental_input_entry_reader::get_input_section_count): Call
2271         accessor function for type.
2272         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2273         function for type; adjust size of global symbol entry.
2274         (Incremental_input_entry_reader::get_global_symbol_count): Call
2275         accessor function for type.
2276         (Incremental_input_entry_reader::get_object_count): Likewise.
2277         (Incremental_input_entry_reader::get_object_offset): Likewise.
2278         (Incremental_input_entry_reader::get_member_count): Likewise.
2279         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2280         (Incremental_input_entry_reader::get_member_offset): Likewise.
2281         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2282         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2283         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2284         (Incremental_input_entry_reader::get_global_symbol_reader): New
2285         function.
2286         (Incremental_input_entry_reader::get_output_symbol_index): New
2287         function.
2288         (Incremental_input_entry_reader::type_): Remove.
2289         (Incremental_input_entry_reader::flags_): New data member.
2290         (Incremental_inputs_reader::input_file_offset): New function.
2291         (Incremental_inputs_reader::input_file_index): New function.
2292         (Incremental_inputs_reader::input_file): Call input_file_offset.
2293         (Incremental_inputs_reader::input_file_at_offset): New function.
2294         (Incremental_relocs_reader::get_r_type): Reformat.
2295         (Incremental_relocs_reader::get_r_shndx): Reformat.
2296         (Incremental_relocs_reader::get_r_offset): Reformat.
2297         (Incremental_relocs_reader::data): New function.
2298         (Incremental_binary::Incremental_binary): Initialize new data members.
2299         (Incremental_binary::check_inputs): Add cmdline parameter.
2300         (Incremental_binary::file_is_unchanged): Remove.
2301         (Input_reader::arg_serial): New function.
2302         (Input_reader::get_unused_symbol_count): New function.
2303         (Input_reader::get_unused_symbol): New function.
2304         (Input_reader::do_arg_serial): New function.
2305         (Input_reader::do_get_unused_symbol_count): New function.
2306         (Input_reader::do_get_unused_symbol): New function.
2307         (Incremental_binary::input_file_count): New function.
2308         (Incremental_binary::get_input_reader): Change signature to use
2309         index instead of filename.
2310         (Incremental_binary::file_has_changed): New function.
2311         (Incremental_binary::get_input_argument): New function.
2312         (Incremental_binary::get_library): New function.
2313         (Incremental_binary::get_script_info): New function.
2314         (Incremental_binary::init_layout): New function.
2315         (Incremental_binary::reserve_layout): New function.
2316         (Incremental_binary::output_file): New function.
2317         (Incremental_binary::do_check_inputs): New function.
2318         (Incremental_binary::do_file_is_unchanged): Remove.
2319         (Incremental_binary::do_file_has_changed): New function.
2320         (Incremental_binary::do_init_layout): New function.
2321         (Incremental_binary::do_reserve_layout): New function.
2322         (Incremental_binary::do_input_file_count): New function.
2323         (Incremental_binary::do_get_input_reader): Change signature.
2324         (Incremental_binary::input_args_map_): New data member.
2325         (Incremental_binary::library_map_): New data member.
2326         (Incremental_binary::script_map_): New data member.
2327         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2328         new data members.
2329         (Sized_incremental_binary::output_section): New function.
2330         (Sized_incremental_binary::inputs_reader): Add const.
2331         (Sized_incremental_binary::symtab_reader): Add const.
2332         (Sized_incremental_binary::relocs_reader): Add const.
2333         (Sized_incremental_binary::got_plt_reader): Add const.
2334         (Sized_incremental_binary::get_symtab_view): New function.
2335         (Sized_incremental_binary::Inputs_reader): New typedef.
2336         (Sized_incremental_binary::Input_entry_reader): New typedef.
2337         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2338         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2339         (Sized_incremental_binary::do_file_has_changed): New function.
2340         (Sized_incremental_binary::do_init_layout): New function.
2341         (Sized_incremental_binary::do_reserve_layout): New function.
2342         (Sized_input_reader::Inputs_reader): Remove.
2343         (Sized_input_reader::Input_entry_reader): Remove.
2344         (Sized_input_reader::do_arg_serial): New function.
2345         (Sized_input_reader::do_get_unused_symbol_count): New function.
2346         (Sized_input_reader::do_get_unused_symbol): New function.
2347         (Sized_incremental_binary::do_input_file_count): New function.
2348         (Sized_incremental_binary::do_get_input_reader): Change signature;
2349         use index instead of filename.
2350         (Sized_incremental_binary::section_map_): New data member.
2351         (Sized_incremental_binary::input_entry_readers_): New data member.
2352         (class Sized_incr_relobj): New class.
2353         (class Sized_incr_dynobj): New class.
2354         (make_sized_incremental_object): New function.
2355         (class Incremental_library): New class.
2356         * layout.cc (Free_list::num_lists): New static data member.
2357         (Free_list::num_nodes): New static data member.
2358         (Free_list::num_removes): New static data member.
2359         (Free_list::num_remove_visits): New static data member.
2360         (Free_list::num_allocates): New static data member.
2361         (Free_list::num_allocate_visits): New static data member.
2362         (Free_list::init): New function.
2363         (Free_list::remove): New function.
2364         (Free_list::allocate): New function.
2365         (Free_list::dump): New function.
2366         (Free_list::print_stats): New function.
2367         (Layout_task_runner::run): Resize output file for incremental updates.
2368         (Layout::Layout): Initialize new data members.
2369         (Layout::set_incremental_base): New function.
2370         (Layout::init_fixed_output_section): New function.
2371         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2372         incremental updates.
2373         (Layout::create_gold_note): Do not create gold note section for
2374         incremental updates.
2375         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2376         for incremental updates.
2377         (Layout::set_section_offsets): For incremental updates, allocate space
2378         from free list.
2379         (Layout::create_symtab_sections): Layout with offsets relative to
2380         start of section; for incremental updates, allocate space from free
2381         list.
2382         (Layout::create_shdrs): For incremental updates, allocate space from
2383         free list.
2384         (Layout::finish_dynamic_section): For incremental updates, do not
2385         check --as-needed (fixed in subsequent patch).
2386         * layout.h (class Free_list): New class.
2387         (Layout::set_incremental_base): New function.
2388         (Layout::incremental_base): New function.
2389         (Layout::init_fixed_output_section): New function.
2390         (Layout::allocate): New function.
2391         (Layout::incremental_base_): New data member.
2392         (Layout::free_list_): New data member.
2393         * main.cc (main): Print Free_list statistics.
2394         * object.cc (Relobj::finalize_incremental_relocs): Add
2395         clear_counts parameter; clear counts only when clear_counts is set.
2396         (Sized_relobj::Sized_relobj): Initialize new base class.
2397         (Sized_relobj::do_layout): Don't report special sections.
2398         (Sized_relobj::do_for_all_local_got_entries): New function.
2399         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2400         symtab_off to all symbol table offsets.
2401         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2402         * object.h (class Got_offset_list): Move to top of file.
2403         (Object::Object): Allow case where input_file == NULL.
2404         (Object::~Object): Likewise.
2405         (Object::input_file): Assert that input_file != NULL.
2406         (Object::lock): Allow case where input_file == NULL.
2407         (Object::unlock): Likewise.
2408         (Object::is_locked): Likewise.
2409         (Object::token): Likewise.
2410         (Object::release): Likewise.
2411         (Object::is_incremental): New function.
2412         (Object::get_mtime): New function.
2413         (Object::for_all_local_got_entries): New function.
2414         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2415         (Object::set_is_in_system_directory): New function.
2416         (Object::is_in_system_directory): New function.
2417         (Object::do_is_incremental): New function.
2418         (Object::do_get_mtime): New function.
2419         (Object::do_for_all_local_got_entries): New function.
2420         (Object::is_in_system_directory_): New data member.
2421         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2422         (class Sized_relobj_base): New class.
2423         (class Sized_relobj): Derive from Sized_relobj_base.
2424         (class Sized_relobj::Symbols): Redeclare from base class.
2425         (class Sized_relobj::local_got_offset_list): Remove.
2426         (class Sized_relobj::Output_sections): Redeclare from base class.
2427         (class Sized_relobj::do_for_all_local_got_entries): New function.
2428         (class Sized_relobj::write_local_symbols): Add offset parameter.
2429         (class Sized_relobj::local_symbol_offset_): Update comment.
2430         (class Sized_relobj::local_dynsym_offset_): Update comment.
2431         * options.cc (Input_arguments::add_file): Remove const.
2432         * options.h (Input_file_argument::Input_file_argument):
2433         Initialize arg_serial_ (all constructors).
2434         (Input_file_argument::set_arg_serial): New function.
2435         (Input_file_argument::arg_serial): New function.
2436         (Input_file_argument::arg_serial_): New data member.
2437         (Input_arguments::Input_arguments): Initialize file_count_.
2438         (Input_arguments::add_file): Remove const.
2439         (Input_arguments::number_of_input_files): New function.
2440         (Input_arguments::file_count_): New data member.
2441         (Command_line::number_of_input_files): Call
2442         Input_arguments::number_of_input_files.
2443         * output.cc (Output_segment_headers::Output_segment_headers):
2444         Set current size.
2445         (Output_section::Input_section::current_data_size): New function.
2446         (Output_section::Output_section): Initialize new data members.
2447         (Output_section::add_input_section): Don't do merge sections for
2448         an incremental link; allocate space from free list for an
2449         incremental update.
2450         (Output_section::add_output_section_data): Allocate space from
2451         free list for an incremental update.
2452         (Output_section::update_data_size): New function.
2453         (Output_section::set_fixed_layout): New function.
2454         (Output_section::reserve): New function.
2455         (Output_segment::set_section_addresses): Remove const.
2456         (Output_segment::set_section_list_addresses): Remove const; allocate
2457         space from free list for an incremental update.
2458         (Output_segment::set_offset): Adjust size of RELRO segment for an
2459         incremental update.
2460         * output.h (Output_data::current_data_size): Move here from
2461         child classes.
2462         (Output_data::pre_finalize_data_size): New function.
2463         (Output_data::update_data_size): New function.
2464         (Output_section_headers::update_data_size): new function.
2465         (Output_section_data_build::current_data_size): Move to Output_data.
2466         (Output_data_strtab::update_data_size): New function.
2467         (Output_section::current_data_size): Move to Output_data.
2468         (Output_section::set_fixed_layout): New function.
2469         (Output_section::has_fixed_layout): New function.
2470         (Output_section::reserve): New function.
2471         (Output_section::update_data_size): New function.
2472         (Output_section::has_fixed_layout_): New data member.
2473         (Output_section::free_list_): New data member.
2474         (Output_segment::set_section_addresses): Remove const.
2475         (Output_segment::set_section_list_addresses): Remove const.
2476         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2477         New function.
2478         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2479         New function.
2480         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2481         parameter when calling Add_symbols constructor; store argument
2482         serial number for members of a lib group.
2483         (Add_symbols::locks): Allow case where token == NULL.
2484         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2485         (Read_member::~Read_member): New function.
2486         (Read_member::is_runnable): New function.
2487         (Read_member::locks): New function.
2488         (Read_member::run): New function.
2489         (Check_script::~Check_script): New function.
2490         (Check_script::is_runnable): New function.
2491         (Check_script::locks): New function.
2492         (Check_script::run): New function.
2493         (Check_library::~Check_library): New function.
2494         (Check_library::is_runnable): New function.
2495         (Check_library::locks): New function.
2496         (Check_library::run): New function.
2497         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2498         (Add_symbols::library_): New data member.
2499         (class Read_member): New class.
2500         (class Check_script): New class.
2501         (class Check_library): New class.
2502         * reloc.cc (Read_relocs::is_runnable): Allow case where
2503         token == NULL.
2504         (Read_relocs::locks): Likewise.
2505         (Scan_relocs::locks): Likewise.
2506         (Relocate_task::locks): Likewise.
2507         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2508         to clear counters.
2509         (Sized_relobj::incremental_relocs_scan): Fix comment.
2510         (Sized_relobj::do_relocate): Pass output file offset to
2511         write_local_symbols.
2512         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2513         from class declaration.
2514         * script.cc (read_input_script): Allocate Script_info; pass
2515         argument serial number to report_script.
2516         * script.h (class Script_info): Move to incremental.h.
2517         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2518         * symtab.h (Symbol_table::add_from_incrobj): New function.
2519         (Symbol_table::set_file_offset): New function.
2520
2521 2011-04-05  Cary Coutant  <ccoutant@google.com>
2522
2523         * incremental-dump.cc (dump_incremental_inputs): Change signature
2524         to take a Sized_incremental_binary; change caller.  Use readers
2525         in Sized_incremental_binary.
2526         * incremental.cc
2527         (Sized_incremental_binary::find_incremental_inputs_sections):
2528         Rename do_find_incremental_inputs_sections to this.
2529         (Sized_incremental_binary::setup_readers): New function.
2530         (Sized_incremental_binary::do_check_inputs): Check
2531         has_incremental_info_ flag; move setup code to setup_readers;
2532         use input readers.
2533         (Sized_incremental_binary::do_file_is_unchanged): New function.
2534         (Sized_incremental_binary::do_get_input_reader): New function.
2535         * incremental.h (class Incremental_binary): Move to end of file.
2536         (Incremental_binary::file_is_unchanged): New function.
2537         (Incremental_binary::do_file_is_unchanged): New function.
2538         (Incremental_binary::Input_reader): New class.
2539         (Incremental_binary::get_input_reader): New function.
2540         (class Sized_incremental_binary): Move to end of file.
2541         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2542         input section reader classes.
2543         (Sized_incremental_binary::has_incremental_info): New function.
2544         (Sized_incremental_binary::inputs_reader): New function.
2545         (Sized_incremental_binary::symtab_reader): New function.
2546         (Sized_incremental_binary::relocs_reader): New function.
2547         (Sized_incremental_binary::got_plt_reader): New function.
2548         (Sized_incremental_binary::do_file_is_unchanged): New function.
2549         (Sized_incremental_binary::Sized_input_reader): New class.
2550         (Sized_incremental_binary::get_input_reader): New function.
2551         (Sized_incremental_binary::find_incremental_inputs_sections):
2552         Rename do_find_incremental_inputs_sections to this.
2553         (Sized_incremental_binary::setup_readers): New function.
2554         (Sized_incremental_binary::has_incremental_info_): New data member.
2555         (Sized_incremental_binary::inputs_reader_): New data member.
2556         (Sized_incremental_binary::symtab_reader_): New data member.
2557         (Sized_incremental_binary::relocs_reader_): New data member.
2558         (Sized_incremental_binary::got_plt_reader_): New data member.
2559         (Sized_incremental_binary::current_input_file_): New data member.
2560
2561 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2562
2563         PR gold/12640
2564         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2565         violation.
2566
2567 2011-03-30  Cary Coutant  <ccoutant@google.com>
2568
2569         * archive.cc (Archive::include_member): Adjust call to report_object.
2570         (Add_archive_symbols::run): Add script_info to call to
2571         report_archive_begin.
2572         (Lib_group::include_member): Adjust call to report_object.
2573         (Add_lib_group_symbols::run): Adjust call to report_object.
2574         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2575         blocks.  Add object count for script input files.
2576         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2577         script_info parameter; change all callers.
2578         (Incremental_inputs::report_object): Add script_info parameter;
2579         change all callers.
2580         (Incremental_inputs::report_script): Store backpointer to
2581         incremental info entry.
2582         (Output_section_incremental_inputs::set_final_data_size): Record
2583         additional information for scripts.
2584         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2585         * incremental.h (Incremental_script_entry::add_object): New function.
2586         (Incremental_script_entry::get_object_count): New function.
2587         (Incremental_script_entry::get_object): New function.
2588         (Incremental_script_entry::objects_): New data member; adjust
2589         constructor.
2590         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2591         (Incremental_inputs::report_object): Add script_info parameter.
2592         (Incremental_inputs_reader::get_object_count): New function.
2593         (Incremental_inputs_reader::get_object_offset): New function.
2594         * options.cc (Input_arguments::add_file): Return reference to
2595         new input argument.
2596         * options.h (Input_argument::set_script_info): New function.
2597         (Input_argument::script_info): New function.
2598         (Input_argument::script_info_): New data member; adjust all
2599         constructors.
2600         (Input_file_group::add_file): Return reference to new input argument.
2601         (Input_file_lib::add_file): Likewise.
2602         (Input_arguments::add_file): Likewise.
2603         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2604         * script.cc (Parser_closure::Parser_closure): Add script_info
2605         parameter; adjust all callers.
2606         (Parser_closure::script_info): New function.
2607         (Parser_closure::script_info_): New data member.
2608         (read_input_script): Report scripts earlier to incremental info.
2609         (script_add_file): Set script_info in Input_argument.
2610         (script_add_library): Likewise.
2611         * script.h (Script_options::Script_info): Rewrite class.
2612
2613 2011-03-29  Cary Coutant  <ccoutant@google.com>
2614
2615         * archive.cc (Library_base::should_include_member): Move
2616         method here from class Archive.
2617         (Archive::Archive): Initialize base class.
2618         (Archive::should_include_member): Move to base class.
2619         (Archive::do_for_all_unused_symbols): New function.
2620         (Add_archive_symbols::run): Remove redundant access to
2621         incremental_inputs.
2622         (Lib_group::Lib_group): Initialize base class.
2623         (Lib_group::do_filename): New function.
2624         (Lib_group::include_member): Pass pointer to Lib_group to
2625         report_object.
2626         (Lib_group::do_for_all_unused_symbols): New function.
2627         (Add_lib_group_symbols::run): Report archive information for
2628         incremental links.
2629         * archive.h (class Library_base): New base class.
2630         (class Archive): Derive from Library_base.
2631         (Archive::filename): Move to base class.
2632         (Archive::set_incremental_info): Likewise.
2633         (Archive::incremental_info): Likewise.
2634         (Archive::Should_include): Likewise.
2635         (Archive::should_include_member): Likewise.
2636         (Archive::Armap_entry): Remove.
2637         (Archive::Unused_symbol_iterator): Remove.
2638         (Archive::unused_symbols_begin): Remove.
2639         (Archive::unused_symbols_end): Remove.
2640         (Archive::do_filename): New function.
2641         (Archive::do_get_mtime): New function.
2642         (Archive::do_for_all_unused_symbols): New function.
2643         (Archive::task_): Move to base class.
2644         (Archive::incremental_info_): Likewise.
2645         (class Lib_group): Derive from Library_base.
2646         (Lib_group::do_filename): New function.
2647         (Lib_group::do_get_mtime): New function.
2648         (Lib_group::do_for_all_unused_symbols): New function.
2649         (Lib_group::task_): Move to base class.
2650         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2651         function.
2652         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2653         function.
2654         * incremental.cc (Incremental_inputs::report_archive_begin):
2655         Use Library_base; call library's get_mtime; add incremental inputs
2656         entry before members.
2657         (class Unused_symbol_visitor): New class.
2658         (Incremental_inputs::report_archive_end): Use Library_base; use
2659         visitor class to record unused symbols; don't add incremental inputs
2660         entry after members.
2661         (Incremental_inputs::report_object): Use Library_base.
2662         * incremental.h
2663         (Incremental_archive_entry::Incremental_archive_entry): Remove
2664         unused Archive parameter.
2665         (Incremental_inputs::report_archive_begin): Use Library_base.
2666         (Incremental_inputs::report_archive_end): Likewise.
2667         (Incremental_inputs::report_object): Likewise.
2668         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2669         function.
2670         * object.h (Object::for_all_global_symbols): New function.
2671         (Object::do_for_all_global_symbols): New function.
2672         (Sized_relobj::do_for_all_global_symbols): New function.
2673         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2674         function.
2675         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2676         function.
2677
2678 2011-03-27  Ian Lance Taylor  <iant@google.com>
2679
2680         * archive.cc (Archive::interpret_header): Return -1 if something
2681         goes wrong.  Change callers accordingly.
2682
2683 2011-03-25  Cary Coutant  <ccoutant@google.com>
2684
2685         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2686         * testsuite/Makefile.in: Regenerate.
2687
2688 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2689
2690         * plugin.cc (get_view): New.
2691         (Plugin::load): Pass get_view to the plugin.
2692         (Plugin_manager::get_view): New.
2693
2694 2011-03-21  Ian Lance Taylor  <iant@google.com>
2695
2696         * testsuite/final_layout.sh: Rewrite to not use dc.
2697         * testsuite/relro_test.sh: Fail if dc is not present.
2698
2699 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2700
2701         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2702         Change == to -eq.
2703         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2704         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2705         Change == to -eq.
2706         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2707         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2708
2709 2011-03-14  Ian Lance Taylor  <iant@google.com>
2710
2711         * script-sections.cc (Sort_output_sections::script_compare):
2712         Rename from is_before, change return type.
2713         (Sort_output_sections::operator()): Adjust accordingly.
2714
2715 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2716
2717         PR gold/12572
2718         * testsuite/odr_violation2.cc: Add comment to make all error line
2719         numbers double digits.
2720         * testsuite/debug_msg.sh: Adjust expected errors.
2721
2722 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2723
2724         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2725         but mark earlier ones as non-canonical
2726         (offset_to_iterator): Update search target and example
2727         (do_addr2line): Return extra lines in a vector*
2728         (format_file_lineno): Extract from do_addr2line
2729         (one_addr2line): Add vector* out-param
2730         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2731         when a lineno entry appeared last for its instruction
2732         (Dwarf_line_info): Add vector* out-param
2733         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2734         * symtab.cc (Odr_violation_compare): Include the lineno in the
2735         comparison again.
2736         (linenos_from_loc): New. Combine the canonical line for an
2737         address with its other lines.
2738         (True_if_intersect): New. Helper functor to make
2739         std::set_intersection a query.
2740         (detect_odr_violations): Compare sets of lines instead of just
2741         one line for each function. This became less deterministic, but
2742         has fewer false positives.
2743         * symtab.h: Declarations.
2744         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2745         mix an optimized and non-optimized object in the same binary
2746         (odr_violation2.so): Same.
2747         * testsuite/Makefile.in: Regenerate from Makefile.am.
2748         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2749         * testsuite/debug_msg.sh: Update line numbers and add
2750         assertions.
2751         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2752         non-optimized context.
2753         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2754         isn't inlined, and use OdrDerived in an optimized context.
2755         * testsuite/odr_header1.h: Defines OdrDerived, where
2756         optimization will change the
2757         first-instruction-in-the-destructor's file and line number.
2758         * testsuite/odr_header2.h: Defines OdrBase.
2759
2760 2011-03-09  Ian Lance Taylor  <iant@google.com>
2761
2762         * fileread.cc (File_read::clear_views): Don't delete the whole
2763         file view.
2764
2765 2011-03-08  Ian Lance Taylor  <iant@google.com>
2766
2767         PR gold/12525
2768         * fileread.cc: #include <climits>.
2769         (GOLD_IOV_MAX): Define.
2770         (File_read::read_multiple): Limit number of entries by iov_max.
2771         * fileread.h (class File_read): Always set max_readv_entries to
2772         128.
2773
2774 2011-03-07  Ian Lance Taylor  <iant@google.com>
2775
2776         PR gold/12525
2777         * options.h (class General_options): Add -dy and -dn.
2778
2779 2011-03-02  Cary Coutant  <ccoutant@google.com>
2780
2781         * testsuite/script_test_9.t: Add TLS segment.
2782
2783 2011-03-02  Simon Baldwin  <simonb@google.com>
2784
2785         * configure.ac: Add check for gnu_indirect_function support in
2786         the toolchain building binutils.
2787         * configure: Rebuild.
2788
2789 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2790
2791         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2792         plugin only symbols.
2793         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2794         in plugin files as not needed in the symbol table.
2795
2796 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2797
2798         * output.cc (Output_section::add_input_section): Delay fill
2799         generation for section ordering.
2800
2801 2011-02-09  Ian Lance Taylor  <iant@google.com>
2802
2803         PR gold/12316
2804         * object.h (class Sized_relobj): Remove clear_local_symbols.
2805         * reloc.cc (Sized_relobj::do_relocate): Don't call
2806         clear_local_symbols.
2807
2808 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2809
2810         * plugin.cc (is_visible_from_outside): Return true for symbols
2811         in the -u option.
2812
2813 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2814
2815         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2816         filename.
2817
2818 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2819
2820         * icf.h (is_section_foldable_candidate): Change type of parameter
2821         to std::string.
2822         * icf.cc (Icf::find_identical_sections): Change type of local variable
2823         section_name to be std::string.
2824         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2825
2826 2011-01-25  Ian Lance Taylor  <iant@google.com>
2827
2828         * script.cc (script_add_extern): Rewrite to use
2829         add_symbol_reference.
2830
2831 2011-01-25  Doug Kwan  <dougkwan@google.com>
2832
2833         * icf.cc (get_section_contents): Always lock section's object.
2834
2835 2011-01-24  Ian Lance Taylor  <iant@google.com>
2836
2837         * options.h (class General_options): Accept
2838         --no-detect-odr-violations.
2839
2840 2011-01-24  Ian Lance Taylor  <iant@google.com>
2841
2842         * version.cc (version_string): Bump to 1.11.
2843
2844 2011-01-24  Ian Lance Taylor  <iant@google.com>
2845
2846         * plugin.cc (class Plugin_rescan): Define new class.
2847         (Plugin_manager::claim_file): Set any_claimed_.
2848         (Plugin_manager::save_archive): New function.
2849         (Plugin_manager::save_input_group): New function.
2850         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2851         necessary.
2852         (Plugin_manager::new_undefined_symbol): New function.
2853         (Plugin_manager::rescan): New function.
2854         (Plugin_manager::rescannable_defines): New function.
2855         (Plugin_manager::add_input_file): Set any_added_.
2856         * plugin.h (class Plugin_manager): define new fields rescannable_,
2857         undefined_symbols_, any_claimed_, and any_added_.  Declare
2858         Plugin_rescan as friend.  Declare new functions.
2859         (Plugin_manager::Rescannable): Define type.
2860         (Plugin_manager::Rescannable_list): Define type.
2861         (Plugin_manager::Undefined_symbol_list): Define type.
2862         (Plugin_manager::Plugin_manager): Initialize new fields.
2863         * archive.cc (Archive::defines_symbol): New function.
2864         (Add_archive_symbols::run): Pass archive to plugins if any.
2865         * archive.h (class Archive): Declare defines_symbol.
2866         * readsyms.cc (Input_group::~Input_group): New function.
2867         (Finish_group::run): Pass input_group to plugins if any.
2868         * readsyms.h (class Input_group): Declare destructor.
2869         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2870         any.
2871
2872 2011-01-10  Ian Lance Taylor  <iant@google.com>
2873
2874         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2875         section as relro.
2876         (Layout::set_segment_offsets): Reset increase_relro before calling
2877         set_section_addresses a second time.
2878
2879 2011-01-04  Cary Coutant  <ccoutant@google.com>
2880
2881         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2882         sections before NOBITS sections.
2883
2884 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2885
2886         * version.cc (print_version): Update copyright to 2011.
2887
2888 2010-12-23  Cary Coutant  <ccoutant@google.com>
2889
2890         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2891         of OS to this->add.  Add OD parameter to second form of the function.
2892
2893 2010-12-20  Ian Lance Taylor  <iant@google.com>
2894
2895         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2896         second of two consecutive entries with same offset.
2897
2898 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2899
2900         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2901         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2902         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2903         to avoid unneeded links against $(LDADD).
2904         * testsuite/Makefile.in: Regenerate.
2905
2906 2010-12-15  Ian Lance Taylor  <iant@google.com>
2907
2908         PR gold/12324
2909         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2910         for R_X86_64_32 and R_X86_64_PC32.
2911         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2912         ver_matching_def_pic.o.
2913         (ver_matching_def_pic.o): New target.
2914
2915 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2916
2917         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2918         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2919         Move definition before File_read::View member definitions.
2920         (File_read::View::~View): Initialize and hold lock before
2921         updating current_mapped_bytes.
2922
2923 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2924
2925         * dwarf_reader.cc: Remove outdated comment.
2926         * gold-threads.cc: Fix typo in error message.
2927         * archive.cc: Fix typos in comments.
2928         * archive.h: Likewise.
2929         * arm-reloc-property.cc: Likewise.
2930         * arm-reloc-property.h: Likewise.
2931         * arm-reloc.def: Likewise.
2932         * arm.cc: Likewise.
2933         * attributes.h: Likewise.
2934         * cref.cc: Likewise.
2935         * ehframe.cc: Likewise.
2936         * fileread.h: Likewise.
2937         * gold.h: Likewise.
2938         * i386.cc: Likewise.
2939         * icf.cc: Likewise.
2940         * incremental.h: Likewise.
2941         * int_encoding.cc: Likewise.
2942         * layout.h: Likewise.
2943         * main.cc: Likewise.
2944         * merge.h: Likewise.
2945         * object.cc: Likewise.
2946         * object.h: Likewise.
2947         * options.cc: Likewise.
2948         * readsyms.cc: Likewise.
2949         * reduced_debug_output.cc: Likewise.
2950         * reloc.cc: Likewise.
2951         * script-sections.cc: Likewise.
2952         * sparc.cc: Likewise.
2953         * symtab.h: Likewise.
2954         * target-reloc.h: Likewise.
2955         * target.cc: Likewise.
2956         * target.h: Likewise.
2957         * timer.cc: Likewise.
2958         * timer.h: Likewise.
2959         * x86_64.cc: Likewise.
2960
2961 2010-12-09  Cary Coutant  <ccoutant@google.com>
2962
2963         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2964         stack.
2965         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2966         parameter; change all callers.
2967         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2968         * options.h (warn_execstack): New option.
2969
2970 2010-12-07  Doug Kwan  <dougkwan@google.com>
2971
2972         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2973         like function call relocations.
2974
2975 2010-12-07  Ian Lance Taylor  <iant@google.com>
2976
2977         * archive.cc (Archive::get_elf_object_for_member): Permit
2978         punconfigured to be NULL.
2979         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2980         (Archive::include_member): Pass NULL to get_elf_object_for_member
2981         if we searched for the archive and this is the first included
2982         object.
2983
2984 2010-12-01  Ian Lance Taylor  <iant@google.com>
2985
2986         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2987         track_relocs_type_ field.
2988         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2989         Set track_relocs_type_.
2990         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2991         contents when using RELA relocs.
2992         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2993         reloc_map_.
2994         * reloc.cc (Track_relocs::next_addend): New function.
2995         * reloc.h (class Track_relocs): Declare next_addend.
2996
2997 2010-12-01  Ian Lance Taylor  <iant@google.com>
2998
2999         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3000         virtual destructor.
3001
3002 2010-12-01  Ian Lance Taylor  <iant@google.com>
3003
3004         * README: Update compilers known to work and fail.
3005
3006 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3007
3008         * configure.in: For --enable-gold, handle value `default' instead of
3009         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3010         not the default.
3011         * configure: Regenerate.
3012
3013 2010-11-18  Doug Kwan  <dougkwan@google.com>
3014
3015         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3016         and right_alignment to be zero.  Store result alignment only if it is
3017         greater than existing alignment.
3018
3019 2010-11-16  Cary Coutant  <ccoutant@google.com>
3020
3021         PR gold/12220
3022         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3023         Check for ".zdebug_line".
3024
3025 2010-11-16  Doug Kwan  <dougkwan@google.com>
3026             Cary Coutant  <ccoutant@google.com>
3027
3028         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3029         by reference; adjust all callers.
3030         * output.cc (Output_segment::set_section_addresses): Adjust references
3031         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3032         list is empty.
3033         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3034         end at page boundary.
3035
3036 2010-11-16  Cary Coutant  <ccoutant@google.com>
3037
3038         PR gold/12220
3039         * layout.cc (Layout::choose_output_section): Transform names of
3040         compressed sections even when using a script with a SECTIONS clause.
3041         (Layout::output_section_name): Remove code to transform
3042         compressed debug section names.
3043         * output.cc (Output_section::add_input_section): Use uncompressed
3044         section size when tracking input sections.
3045
3046 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3047
3048         * symtab.h (Symbol::NON_PIC_REF): Remove.
3049         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3050         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3051         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3052         (Symbol::use_plt_offset): Take a flags argument and pass it
3053         directly to needs_dynamic_reloc.  Restrict check for undefined
3054         weak symbols to function calls.
3055         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3056         (Target_arm::Scan::global): Use it.
3057         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3058         (Target_arm::Relocate::relocate): Likewise.
3059         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3060         parameter with an r_type parameter.  Use get_reference_flags
3061         to get the flags.
3062         (Target_arm::Relocate::relocate): Update accordingly.
3063         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3064         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3065         (Target_i386::Scan::global): Likewise.
3066         (Target_i386::Relocate::relocate): Likewise.
3067         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3068         parameter with an r_type parameter.  Use get_reference_flags
3069         to get the flags.
3070         (Target_i386::Relocate::relocate): Update accordingly.
3071         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3072         (Target_powerpc::Scan::global): Use it.
3073         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3074         (Target_powerpc::Relocate::relocate): Likewise.
3075         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3076         (Target_sparc::Scan::global): Use it.
3077         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3078         (Target_sparc::Relocate::relocate): Likewise.
3079         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3080         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3081         (Target_x86_64::Scan::global): Likewise.
3082         (Target_x86_64::Relocate::relocate): Likewise.
3083
3084 2010-11-08  Doug Kwan  <dougkwan@google.com>
3085             Cary Coutant  <ccoutant@google.com>
3086
3087         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3088         (Arm_exidx_merge_section::section_contents_): New data member.
3089         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3090         (Arm_input_section::~Arm_input_section): De-allocate memory.
3091         (Arm_input_section::original_contents_): New data member.
3092         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3093         in parameters instead of calling Object::section_contents without
3094         locking.
3095         (Arm_output_section::group_section): New parameter TASK.  Pass it
3096         to callees that need locking objects.
3097         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3098         to lock EXIDX input sections.  Fix a formatting issue.  Call
3099         Arm_exidx_merged_section::build_contents to create merged section
3100         contents.
3101         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3102         to lock object of stub table owner.
3103         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3104         TEXT_SIZE to initialize data member TEXT_SIZE_.
3105         (Arm_exidx_input_section::addralign): Fix typo in comment.
3106         (Arm_exidx_input_section::text_size): New method.
3107         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3108         that require locking objects.  Lock objects before scanning for stubs
3109         and updating local symbols.
3110         (Arm_input_section<big_endian>::init): Copy contents of original
3111         input section.
3112         (Arm_input_section<big_endian>::do_write): Use saved contents of
3113         original input section instead of calling Object::section_contents
3114         without locking.
3115         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3116         size without calling Object::section_size().
3117         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3118         for size.  Allocate a buffer for merged EXIDX entries.
3119         (Arm_exidx_merged_section::build_contents): New method.
3120         (Arm_exidx_merged_section::do_write): Move merge section contents
3121         building code to Arm_exidx_merged_section::build_contetns.  Write
3122         out contetns in buffer instead of building it on the fly.
3123         (Arm_relobj::make_exidx_input_section): Also pass text section size
3124         to Arm_exidx_input_section constructor.
3125         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3126         (Arm_dynobj::do_read_symbols): Fix memory leak.
3127         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3128         * target.h: (class Task): Add forward declaration.
3129         (Target::relax): Add new parameter TASK and pass it to
3130         Target::do_relax().
3131         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3132
3133 2010-11-05  Cary Coutant  <ccoutant@google.com>
3134
3135         PR gold/10708
3136         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3137         object when reading from the file.
3138         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3139         second layout pass.
3140         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3141         when reading section contents.
3142         (get_section_contents): Likewise.
3143         (icf::find_identical_sections): Likewise.
3144         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3145         object when reading from the file.
3146         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3147         the object when doing deferred section layout.
3148
3149 2010-11-03  Nick Clifton  <nickc@redhat.com>
3150
3151         PR gold/12001
3152         * script.h (class Symbol_assignment: name): New member.  Returns
3153         the name of the symbol.
3154         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3155         Returns true if the given symbol name is on the list of
3156         assignments wating to be processed.
3157         * archive.cc (should_incldue_member): If the symbol is undefined,
3158         check to see if it is on the list of symbols pending assignment.
3159
3160 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3161
3162         * script-sections.cc (Script_sections::find_memory_region): Check
3163         for a NULL output section pointer.
3164
3165 2010-10-29  Doug Kwan  <dougkwan@google.com>
3166
3167         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3168         Output_section::add_relaxed_input_section.
3169         * output.cc (Output_section::add_relaxed_input_section): Add new
3170         arguments LAYOUT and NAME.  Set section order index.
3171         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3172         Copy section order index.
3173         * output.h (Output_section::add_relaxed_input_section): Add new
3174         arguments LAYOUT and NAME.
3175
3176 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3177
3178         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3179         NATIVE_OR_CROSS_LINKER.
3180         * testsuite/Makefile.in: Regenerate.
3181
3182 2010-10-20  Doug Kwan  <dougkwan@google.com>
3183
3184         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3185         without SHF_LINK_ORDER flags.
3186         * layout.cc (Layout::choose_output_section): Do not filter
3187         SHF_LINK_ORDER flag in a relocatable link.
3188
3189 2010-10-17  Cary Coutant  <ccoutant@google.com>
3190
3191         * output.h (Output_segment::set_section_addresses): Change function
3192         signature.  Update all callers.
3193         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3194         sections.
3195         (Output_segment::set_section_addresses): Align after last TLS
3196         section.  Add padding before last relro section instead of after.
3197
3198 2010-10-17  Doug Kwan  <dougkwan@google.com>
3199
3200         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3201         GOT output section to be writable.
3202
3203 2010-10-14  Cary Coutant  <ccoutant@google.com>
3204
3205         * debug.h (DEBUG_INCREMENTAL): New flag.
3206         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3207         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3208         mode.
3209         * incremental.cc (report_command_line): Ignore all forms of
3210         --incremental.
3211         * layout.cc (Layout::Layout): Check parameters for incremental link
3212         mode.
3213         * options.cc (General_options::parse_incremental): New function.
3214         (General_options::parse_no_incremental): New function.
3215         (General_options::parse_incremental_full): New function.
3216         (General_options::parse_incremental_update): New function.
3217         (General_options::incremental_mode_): New data member.
3218         (General_options::finalize): Check incremental_mode_.
3219         * options.h (General_options): Update help text for --incremental.
3220         Add --no-incremental, --incremental-full, --incremental-update.
3221         (General_options::Incremental_mode): New enum type.
3222         (General_options::incremental_mode): New function.
3223         (General_options::incremental_mode_): New data member.
3224         * parameters.cc (Parameters::incremental_mode_): New data member.
3225         (Parameters::set_options): Set incremental_mode_.
3226         (Parameters::set_incremental_full): New function.
3227         (Parameters::incremental): New function.
3228         (Parameters::incremental_update): New function.
3229         (set_parameters_incremental_full): New function.
3230         * parameters.h (Parameters::set_incremental_full): New function.
3231         (Parameters::incremental): New function.
3232         (Parameters::incremental_update): New function.
3233         (Parameters::incremental_mode_): New data member.
3234         (set_parameters_incremental_full): New function.
3235         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3236         incremental link mode.
3237         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3238         (Sized_relobj::do_relocate_sections): Likewise.
3239         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3240         option.
3241         * testsuite/Makefile.in: Regenerate.
3242         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3243
3244 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3245
3246         * script-sections.h (class Script_sections): Make
3247         Sections_elements typedef public.
3248         * script-sections.cc (class Sort_output_sections): Add elements_
3249         field.  Add constructor which sets it; change all callers.
3250         (Sort_output_sections::is_before): New function.
3251         (Sort_output_sections::operator()): Call is_before.
3252         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3253         conditional.
3254         * testsuite/script_test_10.sh: New test. Test script section
3255         order.
3256         * testsuite/script_test_10.t: Likewise.
3257         * testsuite/script_test_10.s: Likewise.
3258         * testsuite/Makefile.am: Wrap the cross linker tests and the
3259         common tests into NATIVE_OR_CROSS_LINKER.
3260         (check_SCRIPTS): Add script_test_10.sh.
3261         (check_DATA): Add script_test_10.stdout.
3262         (script_test_10.o, script_test_10): New targets.
3263         (script_test_10.stdout): New target.
3264         * configure, testsuite/Makefile.in: Regenerate.
3265
3266 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3267
3268         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3269         error for the deprecated relocations.
3270         (Target_arm::Scan::global): Likewise.
3271         (Target_arm::Relocate::relocate): Likewise.
3272
3273 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3274
3275         * fileread.cc (Input_file::find_file): Initialize *found_name
3276         and *namep when using the fallback search for case 4.
3277
3278 2010-10-11  Cary Coutant  <ccoutant@google.com>
3279
3280         * options.h (class General_options): Redefine -z lazy as an alias for
3281         the negation of -z now.
3282
3283 2010-10-11  Ian Lance Taylor  <iant@google.com>
3284
3285         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3286         binding.
3287
3288 2010-10-06  Nick Clifton  <nickc@redhat.com>
3289
3290         * script-sections.cc(class Memory_region): Remove
3291         current_lma_offset_ field.  Rename current_vma_offset_ to
3292         current_offset_.  Add last_section_ field.
3293         (Memory_region::get_current_vma_address): Rename to
3294         get_current_address.
3295         (Memory_region::get_current_lma_address): Delete.
3296         (Memory_region::increment_vma_offset): Rename to
3297         increment_offset.
3298         (Memory_region::increment_lma_offset): Delete.
3299         (Memory_region::attributes_compatible): New method.  Returns
3300         true if the provided section is compatible with the region.
3301         (Memory_region::get_last_section): New method.  Returns the last
3302         section to use the region.
3303         (Memory_region::set_last_section): New method.  Stores the last
3304         section to use the region.
3305         (Script_sections::block_in_region): New method.  Returns true if
3306         a block of memory is contained within a region.
3307         (Script_sections::find_memory_region): New method.  Locates a
3308         memory region to be used to set a VMA or LMA address.
3309         (Output_section_definition::set_section_addresses): Add code to
3310         check for addresses set by memory regions.
3311         (Output_segment::set_section_addresses): Remove memory region
3312         walking code.
3313         (Script_sections::create_segment): Add a warning if a header
3314         segment is created outside of any region.
3315         * script-sections.h (class Script_sections): Add prototypes for
3316         find_memory_region and block_in_region methods.
3317         * testsuite/memory_test.s: Use .long instead of .word.
3318         * testsuite/memory_test.t: Add some more output sections.
3319         * testsuite/memory_test.sh: Update expected output.
3320
3321 2010-10-02  Doug Kwan  <dougkwan@google.com>
3322
3323         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3324         defintion to symtab.h
3325         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3326         declaration to defintion.
3327
3328 2010-10-01  Nick Clifton  <nickc@redhat.com>
3329
3330         * expression.cc (eval): Replace dummy argument with NULL.
3331         (eval_maybe_dot): Check for a NULL result section pointer.
3332         (Symbol_expression::value): Likewise.
3333         (Dot_expression::value): Likewise.
3334         (BINARY_EXPRESSION): Likewise.
3335         (Max_expression::value): Likewise.
3336         (Min_expression::value): Likewise.
3337         (Absolute_expression::value): Likewise.
3338         (Addr_expression::value_from_output_section): Likewise.
3339         (Loaddddr_expression::value_from_output_section): Likewise.
3340         (Segment_start_expression::value): Likewise.
3341         * script-sections.cc
3342         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3343         argument with NULL.
3344         (Sections_elememt_dot_assignment::set_section_addresses):
3345         Likewise.
3346         (Output_data_expression::do_write_to_buffer): Likewise.
3347         (Output_section_definition::finalize_symbols): Likewise.
3348         (Output_section_definition::set_section_addresses): Likewise.
3349
3350 2010-09-30  Doug Kwan  <dougkwan@google.com>
3351
3352         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3353
3354 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3355
3356         * target.h (Target::can_icf_inline_merge_sections): New virtual
3357         function.
3358         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3359         virtual function.
3360         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3361         virtual function.
3362         * icf.cc (get_section_contents): Inline merge sections only when
3363         target allows it.
3364
3365 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3366
3367         * configure: Regenerate.
3368
3369 2010-09-17  Ian Lance Taylor  <iant@google.com>
3370
3371         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3372         * testsuite/Makefile.am (memory_test.o): New target.
3373         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3374         memory_test.t.
3375         * testsuite/Makefile.in: Rebuild.
3376
3377 2010-09-17  Doug Kwan  <dougkwan@google.com>
3378
3379         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3380         defintion if relocation uses GOT entries of the symbol.
3381         * testsuite/icf_safe_test.sh: Fix test.
3382         * testsuite/icf_safe_so_test.sh: Fix test.
3383
3384 2010-09-16  Cary Coutant  <ccoutant@google.com>
3385
3386         * script_sections.cc (class Memory_region): Remove "NULL" from
3387         vector initializations.
3388
3389 2010-09-15  Cary Coutant  <ccoutant@google.com>
3390
3391         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3392         Resolve forwarding symbols.
3393
3394 2010-09-15  Doug Kwan  <dougkwan@google.com>
3395
3396         * gold/testsuite/script_test_3.t: Add ARM special sections.
3397         * gold/testsuite/script_test_4.t: Same.
3398         * gold/testsuite/script_test_5.t: Same.
3399         * gold/testsuite/script_test_6.t: Same.
3400         * gold/testsuite/script_test_7.t: Same.
3401         * gold/testsuite/script_test_7.t: Same.
3402         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3403
3404 2010-09-14  Cary Coutant  <ccoutant@google.com>
3405
3406         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3407         (Target_x86_64::Relocate::relocate_tls): Replace check for
3408         saw_tls_block_reloc_ with test for executable section.
3409
3410 2010-09-12  Cary Coutant  <ccoutant@google.com>
3411
3412         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3413         position-independent executables to shared libraries need dynamic
3414         relocations.
3415         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3416         position-independent executables.
3417         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3418         * testsuite/Makefile.in: Regenerate.
3419
3420 2010-09-10  Nick Clifton  <nickc@redhat.com>
3421
3422         PR gold/11997
3423         * testsuite/memory_test.t: Discard any sections that are not
3424         needed.
3425
3426 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3427
3428         PR gold/11996
3429         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3430         "This::" to work around a bug in gcc 4.2.
3431
3432         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3433
3434 2010-09-09  Rafael Espindola  <espindola@google.com>
3435
3436         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3437         sections with different PF_X flags in the same segment.
3438         (Layout::find_first_load_seg): Search all segments to find the first
3439         one.
3440         * options.h (rosegment): New.
3441
3442 2010-09-08  Rafael Espindola  <espindola@google.com>
3443
3444         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3445
3446 2010-09-08  Doug Kwan  <dougkwan@google.com>
3447
3448         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3449         (Arm_relobj::do_relocate_sections): Add new parameter for output
3450         file to match the parent.
3451         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3452         of local symbols instead of input values.  Update code to track
3453         changes in gold::relocate_section.
3454         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3455         (Sized_relobj::compute_final_local_value_internal): New methods.
3456         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3457         body into private version of Sized_relobj::compute_final_local_value.
3458         Call the inline method.
3459         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3460         merged symbol value if there is one.
3461         (Symbol_value::has_output_value): New method defintiion.
3462         (Sized_relobj::Compute_final_local_value_status): New enum type.
3463         (Sized_relobj::compute_final_local_value): New methods.
3464         (Sized_relobj::compute_final_local_value_internal): New methods.
3465         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3466         and arm_cortex_a8.sh.
3467         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3468         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3469         New tests.
3470         * Makefile.in: Regenerate.
3471         * testsuite/arm_bl_out_of_range.s: Update test.
3472         * testsuite/thumb_bl_out_of_range.s: Ditto.
3473         * testsuite/thumb_blx_out_of_range.s: Ditto.
3474         * testsuite/arm_branch_out_of_range.sh: New file.
3475         * testsuite/arm_cortex_a8.sh: Ditto.
3476         * testsuite/arm_cortex_a8_b.s: Ditto.
3477         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3478         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3479         * testsuite/arm_cortex_a8_bl.s: Ditto.
3480         * testsuite/arm_cortex_a8_blx.s: Ditto.
3481         * testsuite/arm_cortex_a8_local.s: Ditto.
3482         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3483         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3484
3485 2010-09-08  Rafael Espindola  <espindola@google.com>
3486
3487         * Makefile.am (memory_test.stdout): Run readelf with -W.
3488         * Makefile.in: Regenerate.
3489         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3490         64 bit output.
3491
3492 2010-09-08  Rafael Espindola  <espindola@google.com>
3493
3494         * script-sections.cc (Script_sections::add_memory_region): Convert
3495         field precision to int.
3496         * script.cc (script_set_section_region, script_set_section_region):
3497         Convert field precision to int.
3498
3499 2010-09-08  Rafael Espindola  <espindola@google.com>
3500
3501         * arm.cc (do_finalize_sections): Create the __exidx_start and
3502         __exdix_end symbols even when the section is missing.
3503
3504 2010-09-08  Nick Clifton  <nickc@redhat.com>
3505
3506         * README: Remove claim that MEMORY is not supported.
3507         * expression.cc (script_exp_function_origin)
3508         (script_exp_function_length): Move from here to ...
3509         * script.cc: ... here.
3510         (script_set_section_region, script_add_memory)
3511         (script_parse_memory_attr, script_include_directive): New
3512         functions.
3513         * script-sections.cc
3514         (class Memory_region): New class.
3515         (class Output_section_definition): Add set_memory_region,
3516         set_section_vma, set_section_lma and get_section_name methods.
3517         (class Script_Sections): Add add_memory_region,
3518         find_memory_region, find_memory_region_origin,
3519         find_memory_region_length and set_memory_region methods.
3520         Have set_section_addresses method walk the list of set memory
3521         regions.
3522         Extend the print methos to display memory regions.
3523         * script-sections.h: Add prototypes for new methods.
3524         Add enum for MEMORY region attributes.
3525         * yyscript.y: Add support for parsing MEMORY regions.
3526         * script-c.h: Add prototypes for new functions.
3527         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3528         * testsuite/Makefile.in: Regenerate.
3529         * testsuite/memory_test.sh: New script.
3530         * testsuite/memory_test.s: New assembler source file.
3531         * testsuite/memory_test.t: New linker script.
3532
3533 2010-08-27  Doug Kwan  <dougkwan@google.com>
3534
3535         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3536         reference override an existing dynamic weak reference.
3537         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3538         * testsuite/Makefile.in: Regenerate.
3539         * testsuite/dyn_weak_ref.sh: New file.
3540         * testsuite/dyn_weak_ref_1.c: Ditto.
3541         * testsuite/dyn_weak_ref_2.c: Ditto.
3542
3543 2010-08-27  Ian Lance Taylor  <iant@google.com>
3544
3545         * incremental.h (class Incremental_input_entry): Add virtual
3546         destructor.
3547
3548 2010-08-27  Ian Lance Taylor  <iant@google.com>
3549
3550         * testsuite/start_lib_test_3.c: Mark t3 as used.
3551
3552 2010-08-27  Nick Clifton  <nickc@redhat.com>
3553
3554         * options.cc (version_script): Fix small typo in previous
3555         whitespace tidyup.
3556
3557 2010-08-25  Nick Clifton  <nickc@redhat.com>
3558
3559         * archive.cc: Formatting fixes: Remove whitespace between
3560         typename and following asterisk.  Remove whitespace between
3561         function name and opening parenthesis.
3562         * archive.h: Likewise.
3563         * arm.cc: Likewise.
3564         * attributes.cc: Likewise.
3565         * attributes.h: Likewise.
3566         * common.cc: Likewise.
3567         * copy-relocs.cc: Likewise.
3568         * dirsearch.h: Likewise.
3569         * dynobj.cc: Likewise.
3570         * ehframe.cc: Likewise.
3571         * ehframe.h: Likewise.
3572         * expression.cc: Likewise.
3573         * fileread.cc: Likewise.
3574         * fileread.h: Likewise.
3575         * gc.h: Likewise.
3576         * gold-threads.cc: Likewise.
3577         * gold.cc: Likewise.
3578         * i386.cc: Likewise.
3579         * icf.h: Likewise.
3580         * incremental-dump.cc: Likewise.
3581         * incremental.cc: Likewise.
3582         * layout.cc: Likewise.
3583         * layout.h: Likewise.
3584         * main.cc: Likewise.
3585         * merge.cc: Likewise.
3586         * merge.h: Likewise.
3587         * object.cc: Likewise.
3588         * object.h: Likewise.
3589         * options.cc: Likewise.
3590         * options.h: Likewise.
3591         * output.cc: Likewise.
3592         * output.h: Likewise.
3593         * plugin.cc: Likewise.
3594         * plugin.h: Likewise.
3595         * powerpc.cc: Likewise.
3596         * reloc.cc: Likewise.
3597         * script-c.h: Likewise.
3598         * script-sections.cc: Likewise.
3599         * script.cc: Likewise.
3600         * stringpool.cc: Likewise.
3601         * symtab.cc: Likewise.
3602         * symtab.h: Likewise.
3603         * target.cc: Likewise.
3604         * timer.cc: Likewise.
3605         * timer.h: Likewise.
3606         * version.cc: Likewise.
3607         * x86_64.cc: Likewise.
3608
3609 2010-08-24  Nick Clifton  <nickc@redhat.com>
3610
3611         PR 11899
3612         * layout.cc (segment_precedes): Sort segments by their physical
3613         addresses, if they have been set.
3614
3615 2010-08-23  Cary Coutant  <ccoutant@google.com>
3616
3617         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3618         symbols data.
3619         (Lib_group::include_member): Unlock object after deleting its
3620         symbols data.
3621         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3622         the bug fixed here.
3623
3624 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3625             Cary Coutant  <ccoutant@google.com>
3626
3627         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3628         constructor, and set_blocker.
3629         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3630         readsyms_blocker_.
3631         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3632         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3633         * testsuite/Makefile.am (start_lib_test): New test case.
3634         * testsuite/Makefile.in: Regenerate.
3635         * testsuite/start_lib_test_main.c: New file.
3636         * testsuite/start_lib_test_1.c: New file.
3637         * testsuite/start_lib_test_2.c: New file.
3638         * testsuite/start_lib_test_3.c: New file.
3639
3640 2010-08-19  Ian Lance Taylor  <iant@google.com>
3641
3642         * Makefile.in: Rebuild with automake 1.11.1.
3643         * aclocal.m4: Likewise.
3644         * testsuite/Makefile.in: Likewise.
3645
3646 2010-08-19  Ian Lance Taylor  <iant@google.com>
3647
3648         PR 10893
3649         * i386.cc (class Output_data_plt_i386): Update declarations.
3650         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3651         local_ifuncs_ fields.
3652         (Target_i386::do_plt_section_for_global): New function.
3653         (Target_i386::do_plt_section_for_local): New function.
3654         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3655         parameter; change all callers.  Initialize global_ifuncs_ and
3656         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3657         __rel_iplt_end.
3658         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3659         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3660         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3661         symbols.
3662         (Target_i386::make_plt_section): New function, broken out of
3663         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3664         (Target_i386::make_plt_entry): Call make_plt_section.
3665         (Target_i386::make_local_ifunc_plt_entry): New function.
3666         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3667         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3668         R_386_IRELATIVE to switch.
3669         (Target_i386::Scan::global): Likewise.
3670         (Target_i386::Relocate::relocate): Likewise.
3671         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3672         switch.
3673         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3674         (Target_x86_64::do_plt_section_for_global): New function.
3675         (Target_x86_64::do_plt_section_for_local): New function.
3676         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3677         parameter; change all callers.  If doing a static link define
3678         __rela_iplt_start and __rela_iplt_end.
3679         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3680         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3681         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3682         to point to .plt.
3683         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3684         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3685         switch.
3686         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3687         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3688         R_X86_64_IRELATIVE to switch.
3689         (Target_x86_64::Scan::global): Likewise.
3690         (Target_x86_64::Relocate::relocate): Likewise.
3691         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3692         switch.
3693         * target.h (class Target): Add plt_section_for_global and
3694         plt_section_for_local functions.  Add do_plt_section_for_global
3695         and do_plt_section_for_local virtual functions.
3696         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3697         clarifying comments.
3698         (Symbol::use_plt_offset): Handle IFUNC symbol.
3699         * object.cc (Sized_relobj::Sized_relobj): Initialize
3700         local_plt_offsets_.
3701         (Sized_relobj::local_has_plt_offset): New function.
3702         (Sized_relobj::local_plt_offset): New function.
3703         (Sized_relobj::set_local_plt_offset): New function.
3704         (Sized_relobj::do_count): Handle IFUNC symbol.
3705         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3706         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3707         is_ifunc_symbol functions.
3708         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3709         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3710         local_plt_offsets_ field.
3711         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3712         * output.h (class Output_section_data): Add non-const
3713         output_section function.
3714         (class Output_data_got): Update declarations.
3715         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3716         Add use_plt_offset parameter to global and local constructors.
3717         Change all callers.  Change local_sym_index_ field to 31 bits.
3718         Change GSYM_CODE and CONSTANT_CODE accordingly.
3719         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3720         doing a static link don't set sh_link field.
3721         (Output_data_got::Got_entry::write): Use PLT offset if
3722         appropriate.
3723         (Output_data_got::add_global_plt): New function.
3724         (Output_data_got::add_local_plt): New function.
3725         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3726         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3727         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3728         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3729         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3730         IFUNC conditional.
3731         * testsuite/ifunc-sel.h: New file.
3732         * testsuite/ifuncmain1.c: New file.
3733         * testsuite/ifuncmain1vis.c: New file.
3734         * testsuite/ifuncmod1.c: New file.
3735         * testsuite/ifuncdep2.c: New file.
3736         * testsuite/ifuncmain2.c: New file.
3737         * testsuite/ifuncmain3.c: New file.
3738         * testsuite/ifuncmod3.c: New file.
3739         * testsuite/ifuncmain4.c: New file.
3740         * testsuite/ifuncmain5.c: New file.
3741         * testsuite/ifuncmod5.c: New file.
3742         * testsuite/ifuncmain6pie.c: New file.
3743         * testsuite/ifuncmod6.c: New file.
3744         * testsuite/ifuncmain7.c: New file.
3745         * configure, testsuite/Makefile.in: Rebuild.
3746
3747 2010-08-18  Ian Lance Taylor  <iant@google.com>
3748
3749         * incremental.cc
3750         (Output_section_incremental_inputs::write_input_files): Add cast
3751         to avoid signed/unsigned comparison warning.
3752         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3753
3754 2010-08-12  Cary Coutant  <ccoutant@google.com>
3755
3756         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3757
3758 2010-08-13  Ian Lance Taylor  <iant@google.com>
3759
3760         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3761
3762 2010-08-12  Cary Coutant  <ccoutant@google.com>
3763             Doug Kwan  <dougkwan@google.com>
3764
3765         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3766         defintion overrides non-weak undef, remember that the original undef
3767         is not weak.
3768         * symtab.cc (Symbol_table::sized_write_global): For undef without
3769         an original weak binding, set binding to global in output.
3770         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3771         * testsuite/Makefile.in: Regenerate.
3772         * testsuite/strong_ref_weak_def.sh: New file.
3773         * testsuite/strong_ref_weak_def_1.c: Ditto.
3774         * testsuite/strong_ref_weak_def_2.c: Ditto.
3775
3776 2010-08-12  Cary Coutant  <ccoutant@google.com>
3777
3778         * testsuite/incremental_test.sh: Rewrite.
3779         * testsuite/incremental_test_1.c: Rewrite.
3780         * testsuite/incremental_test_2.c: Rewrite.
3781
3782 2010-08-12  Cary Coutant  <ccoutant@google.com>
3783
3784         * arm.cc (Target_arm::got_size): Add const.
3785         (Target_arm::got_entry_count): New function.
3786         (Target_arm::plt_entry_count): New function.
3787         (Target_arm::first_plt_entry_offset): New function.
3788         (Target_arm::plt_entry_size): New function.
3789         (Output_data_plt_arm::entry_count): New function.
3790         (Output_data_plt_arm::first_plt_entry_offset): New function.
3791         (Output_data_plt_arm::get_plt_entry_size): New function.
3792         * i386.cc (Target_i386::got_size): Add const.
3793         (Target_i386::got_entry_count): New function.
3794         (Target_i386::plt_entry_count): New function.
3795         (Target_i386::first_plt_entry_offset): New function.
3796         (Target_i386::plt_entry_size): New function.
3797         (Output_data_plt_i386::entry_count): New function.
3798         (Output_data_plt_i386::first_plt_entry_offset): New function.
3799         (Output_data_plt_i386::get_plt_entry_size): New function.
3800         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3801         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3802         * incremental.cc: Include target.h.
3803         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3804         parameter.  Adjust all callers.  Find incremental_got_plt section.
3805         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3806         section.
3807         (Output_section_incremental_inputs::set_final_data_size): Calculate
3808         size of incremental_got_plt section.
3809         (Output_section_incremental_inputs::do_write): Write the
3810         incremental_got_plt section.
3811         (Got_plt_view_info): New struct.
3812         (Local_got_offset_visitor): New class.
3813         (Global_got_offset_visitor): New class.
3814         (Global_symbol_visitor_got_plt): New class.
3815         (Output_section_incremental_inputs::write_got_plt): New function.
3816         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3817         Add parameter.  Adjust all callers.
3818         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3819         (Incremental_inputs::got_plt_section): New function.
3820         (Incremental_inputs::got_plt_section_): New data member.
3821         (Incremental_got_plt_reader): New class.
3822         * layout.cc (Layout::create_incremental_info_sections): Add the
3823         incremental_got_plt section.
3824         * object.h (Got_offset_list::get_list): New function.
3825         (Got offset_list::for_all_got_offsets): New function.
3826         (Sized_relobj::local_got_offset_list): New function.
3827         * powerpc.cc (Target_powerpc::got_size): Add const.
3828         (Target_powerpc::got_entry_count): New function.
3829         (Target_powerpc::plt_entry_count): New function.
3830         (Target_powerpc::first_plt_entry_offset): New function.
3831         (Target_powerpc::plt_entry_size): New function.
3832         (Output_data_plt_powerpc::entry_count): New function.
3833         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3834         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3835         * sparc.cc (Target_sparc::got_size): Add const.
3836         (Target_sparc::got_entry_count): New function.
3837         (Target_sparc::plt_entry_count): New function.
3838         (Target_sparc::first_plt_entry_offset): New function.
3839         (Target_sparc::plt_entry_size): New function.
3840         (Output_data_plt_sparc::entry_count): New function.
3841         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3842         (Output_data_plt_sparc::get_plt_entry_size): New function.
3843         * symtab.h (Symbol::got_offset_list): New function.
3844         (Symbol_table::for_all_symbols): New function.
3845         * target.h (Sized_target::got_entry_count): New function.
3846         (Sized_target::plt_entry_count): New function.
3847         (Sized_target::plt_entry_size): New function.
3848         * x86_64.cc (Target_x86_64::got_size): Add const.
3849         (Target_x86_64::got_entry_count): New function.
3850         (Target_x86_64::plt_entry_count): New function.
3851         (Target_x86_64::first_plt_entry_offset): New function.
3852         (Target_x86_64::plt_entry_size): New function.
3853         (Output_data_plt_x86_64::entry_count): New function.
3854         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3855         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3856
3857 2010-08-12  Cary Coutant  <ccoutant@google.com>
3858
3859         * archive.cc: Include incremental.h.
3860         (Archive::Archive): Initialize incremental_info_.
3861         (Archive::include_member): Record archive members in incremental info.
3862         (Add_archive_symbols::run): Record begin and end of an archive in
3863         incremental info.
3864         (Lib_group::include_member): Record objects in incremental info.
3865         * archive.h (Incremental_archive_entry): Forward declaration.
3866         (Archive::set_incremental_info): New member function.
3867         (Archive::incremental_info): New member function.
3868         (Archive::Unused_symbol_iterator): New class.
3869         (Archive::unused_symbols_begin): New member function.
3870         (Archive::unused_symbols_end): New member function.
3871         (Archive::incremental_info_): New data member.
3872         * incremental-dump.cc (find_input_containing_global): New function.
3873         (dump_incremental_inputs): Dump new incremental info sections.
3874         * incremental.cc: Include symtab.h.
3875         (Output_section_incremental_inputs): New class.
3876         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3877         new incremental info sections.
3878         (Sized_incremental_binary::do_check_inputs): Likewise.
3879         (Incremental_inputs::report_archive): Remove.
3880         (Incremental_inputs::report_archive_begin): New function.
3881         (Incremental_inputs::report_archive_end): New function.
3882         (Incremental_inputs::report_object): New function.
3883         (Incremental_inputs::finalize_inputs): Remove.
3884         (Incremental_inputs::report_input_section): New function.
3885         (Incremental_inputs::report_script): Rewrite.
3886         (Incremental_inputs::finalize): Do nothing but finalize string table.
3887         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3888         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3889         (Incremental_inputs::create_data_sections): New function.
3890         (Incremental_inputs::relocs_entsize): New function.
3891         (Output_section_incremental_inputs::set_final_data_size): New function.
3892         (Output_section_incremental_inputs::do_write): New function.
3893         (Output_section_incremental_inputs::write_header): New function.
3894         (Output_section_incremental_inputs::write_input_files): New function.
3895         (Output_section_incremental_inputs::write_info_blocks): New function.
3896         (Output_section_incremental_inputs::write_symtab): New function.
3897         * incremental.h (Incremental_script_entry): Forward declaration.
3898         (Incremental_object_entry): Forward declaration.
3899         (Incremental_archive_entry): Forward declaration.
3900         (Incremental_inputs): Forward declaration.
3901         (Incremental_inputs_header_data): Remove.
3902         (Incremental_inputs_header): Remove.
3903         (Incremental_inputs_header_write): Remove.
3904         (Incremental_inputs_entry_data): Remove.
3905         (Incremental_inputs_entry): Remove.
3906         (Incremental_inputs_entry_write): Remove.
3907         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3908         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3909         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3910         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3911         Likewise.
3912         (Incremental_input_entry): New class.
3913         (Incremental_script_entry): New class.
3914         (Incremental_object_entry): New class.
3915         (Incremental_archive_entry): New class.
3916         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3917         (Incremental_inputs::report_inputs): Remove.
3918         (Incremental_inputs::report_archive): Remove.
3919         (Incremental_inputs::report_archive_begin): New function.
3920         (Incremental_inputs::report_archive_end): New function.
3921         (Incremental_inputs::report_object): Change prototype.
3922         (Incremental_inputs::report_input_section): New function.
3923         (Incremental_inputs::report_script): Change prototype.
3924         (Incremental_inputs::get_reloc_count): New function.
3925         (Incremental_inputs::set_reloc_count): New function.
3926         (Incremental_inputs::create_data_sections): New function.
3927         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3928         (Incremental_inputs::inputs_section): New function.
3929         (Incremental_inputs::symtab_section): New function.
3930         (Incremental_inputs::relocs_section): New function.
3931         (Incremental_inputs::get_stringpool): Add const.
3932         (Incremental_inputs::command_line): Add const.
3933         (Incremental_inputs::inputs): Remove.
3934         (Incremental_inputs::command_line_key): New function.
3935         (Incremental_inputs::input_file_count): New function.
3936         (Incremental_inputs::input_files): New function.
3937         (Incremental_inputs::relocs_entsize): New function.
3938         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3939         (Incremental_inputs::finalize_inputs): Remove.
3940         (Incremental_inputs::Input_info): Remove.
3941         (Incremental_inputs::lock_): Remove.
3942         (Incremental_inputs::inputs_): Change type.
3943         (Incremental_inputs::inputs_map_): Remove.
3944         (Incremental_inputs::current_object_entry_): New data member.
3945         (Incremental_inputs::inputs_section_): New data member.
3946         (Incremental_inputs::symtab_section_): New data member.
3947         (Incremental_inputs::relocs_section_): New data member.
3948         (Incremental_inputs::reloc_count_): New data member.
3949         (Incremental_inputs_reader): New class.
3950         (Incremental_symtab_reader): New class.
3951         (Incremental_relocs_reader): New class.
3952         * layout.cc (Layout::finalize): Move finalization of incremental info
3953         and creation of incremental info sections to follow finalization of
3954         symbol table.  Set offsets for postprocessing sections.
3955         (Layout::create_incremental_info_sections): Call
3956         Incremental_inputs::create_data_sections.  Add incremental symtab
3957         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3958         sections to layout after input sections.
3959         * layout.h (struct Timespec): Forward declaration.
3960         (Layout::incremental_inputs): Add const.
3961         (Layout::create_incremental_info_sections): Add parameter.
3962         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3963         * object.cc: Include incremental.h.
3964         (Relobj::finalize_incremental_relocs): New function.
3965         (Sized_relobj::do_layout): Record input sections in incremental info.
3966         * object.h (Object::output_section): New function.
3967         (Object::output_section_offset): Moved from Relobj.
3968         (Object::get_incremental_reloc_base): New function.
3969         (Object::get_incremental_reloc_count): New function.
3970         (Object::do_output_section): New function.
3971         (Object::do_output_section_offset): Moved from Relobj.
3972         (Object::do_get_incremental_reloc_base): New function.
3973         (Object::do_get_incremental_reloc_count): New function.
3974         (Object::Object): Initialize new data members.
3975         (Relobj::output_section): Renamed do_output_section and moved to
3976         protected.
3977         (Relobj::output_section_offset): Moved to Object.
3978         (Relobj::do_get_incremental_reloc_base): New function.
3979         (Relobj::do_get_incremental_reloc_count): New function.
3980         (Relobj::allocate_incremental_reloc_counts): New function.
3981         (Relobj::count_incremental_reloc): New function.
3982         (Relobj::finalize_incremental_relocs): New function.
3983         (Relobj::next_incremental_reloc_index): New function.
3984         (Relobj::reloc_counts_): New data member.
3985         (Relobj::reloc_bases_): New data member.
3986         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3987         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3988         (Sized_relobj::incremental_relocs_scan): New function.
3989         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3990         (Sized_relobj::incremental_relocs_write): New function.
3991         (Sized_relobj::incremental_relocs_write_reltype): New function.
3992         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3993         incremental link.
3994         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3995         archives and object files elsewhere.
3996         (Add_symbols::run): Report object files here.
3997         (Finish_group::run): Report end of archive at end of group.
3998         * reloc.cc: Include layout.h, incremental.h.
3999         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4000         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4001         (Sized_relobj::incremental_relocs_scan): New function.
4002         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4003         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4004         (Sized_relobj::incremental_relocs_write): New function.
4005         (Sized_relobj::incremental_relocs_write_reltype): New function.
4006         * script.cc (read_input_script): Rewrite test for incremental link.
4007         Change call to Incremental_inputs::report_script.
4008         * symtab.h (Symbol_table::first_global_index): New function.
4009         (Symbol_table::output_count): New function.
4010
4011 2010-08-12  Doug Kwan  <dougkwan@google.com>
4012
4013         * arm.cc (Target_arm::merge_object_attributes): Check command line
4014         options --no-wchar-size-warning and --no-enum-size-warning.
4015         * options.h (General_options): Add ld-compatible options
4016         --no-enum-size-warning and --no-wchar-size-warning.
4017
4018 2010-08-04  Ian Lance Taylor  <iant@google.com>
4019
4020         * x86_64.cc (Target_x86_64::Scan::local): Use
4021         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4022         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4023         (Target_x86_64::Scan::global): Likewise.
4024         (Target_x86_64::Relocate::relocate): Likewise.
4025         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4026         Likewise.
4027
4028 2010-08-03  Cary Coutant  <ccoutant@google.com>
4029
4030         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4031         to reserve space in merged_strings vector. Keep total input size
4032         for stats.
4033         (Output_merge_string::do_print_merge_stats): Print total input size.
4034         * merge.h (Output_merge_string): Add input_size_ field.
4035         * stringpool.cc (Stringpool_template::string_length): Move
4036         implementations out of Stringpool_template class and place in
4037         stringpool.h.
4038         * stringpool.h (string_length): Move out of Stringpool_template.
4039
4040 2010-08-03  Ian Lance Taylor  <iant@google.com>
4041
4042         PR 11712
4043         * layout.cc (relaxation_loop_body): If address of load segment is
4044         set, adjust address to include headers if possible.
4045
4046 2010-08-03  Ian Lance Taylor  <iant@google.com>
4047
4048         * version.cc (version_string): Bump to 1.10.
4049
4050 2010-08-03  Ian Lance Taylor  <iant@google.com>
4051
4052         PR 11805
4053         * layout.h (enum Output_section_order): Define.
4054         (class Layout): Update declarations.
4055         * layout.cc (Layout::get_output_section): Add order parameter.
4056         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4057         is_first_non_relro parameters.  Change all callers.
4058         (Layout::choose_output_section): Likewise.
4059         (Layout::add_output_section_data): Likewise.
4060         (Layout::make_output_section): Likewise.  Set order.
4061         (Layout::default_section_order): New function.
4062         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4063         * output.cc (Output_section::Output_section): Initialize order_.
4064         Don't initialize deleted fields.
4065         (Output_segment::Output_segment): Don't initialize deleted
4066         fields.
4067         (Output_segment::add_output_section_to_load): New function
4068         replacing add_output_section.  Change all callers to call this or
4069         add_output_section_to_nonload.
4070         (Output_segment::add_output_section_to_nonload): New function.
4071         (Output_segment::remove_output_section): Rewrite.
4072         (Output_segment::add_initial_output_data): Likewise.
4073         (Output_segment::has_any_data_sections): Likewise.
4074         (Output_segment::is_first_section_relro): Likewise.
4075         (Output_segment::maximum_alignment): Likewise.
4076         (Output_segment::has_dynamic_reloc): New function replacing
4077         dynamic_reloc_count.  Change all callers.
4078         (Output_segment::has_dynamic_reloc_list): New function replacing
4079         dynamic_reloc_count_list.  Change all callers.
4080         (Output_segment::set_section_addresses): Rewrite.
4081         (Output_segment::set_offset): Rewrite.
4082         (Output_segment::find_first_and_last_list): Remove.
4083         (Output_segment::set_tls_offsets): Rewrite.
4084         (Output_segment::first_section_load_address): Likewise.
4085         (Output_segment::output_section_count): Likewise.
4086         (Output_segment::section_with_lowest_load_address): Likewise.
4087         (Output_segment::write_section_headers): Likewise.
4088         (Output_segment::print_sections_to_map): Likewise.
4089         * output.h (class Output_data): Remove dynamic_reloc_count_
4090         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4091         (Output_data::add_dynamic_reloc): Rewrite.
4092         (Output_data::has_dynamic_reloc): New function.
4093         (Output_data::dynamic_reloc_count): Remove.
4094         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4095         is_last_relro_, is_first_non_relro_, is_interp_,
4096         is_dynamic_linker_section_ fields.  Add order and set_order
4097         functions.  Remove is_relro_local, set_is_relro_local,
4098         is_last_relro, set_is_last_relro, is_first_non_relro,
4099         set_is_first_non_relro functions, is_interp, set_is_interp,
4100         is_dynamic_linker_section, and set_is_dynamic_linker_section
4101         functions.
4102         (class Output_segment): Change Output_data_list from std::list to
4103         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4104         output_bss_ fields.  Update declarations.
4105
4106 2010-08-02  Ian Lance Taylor  <iant@google.com>
4107
4108         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4109         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4110         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4111
4112 2010-08-02  Ian Lance Taylor  <iant@google.com>
4113
4114         PR 11855
4115         * script.cc (Script_options::Script_options): Initialize
4116         symbol_definitions_ and symbol_references_.
4117         (Script_options::add_symbol_assignment): Update
4118         symbol_definitions_ and symbol_references_.
4119         (Script_options::add_symbol_reference): New function.
4120         (script_symbol): New function.
4121         * script.h (class Script_options): Add symbol_definitions_ and
4122         symbol_references_ fields.
4123         (Script_options::referenced_const_iterator): New type.
4124         (Script_options::referenced_begin): New function.
4125         (Script_options::referenced_end): New function.
4126         (Script_options::is_referenced): New function.
4127         (Script_options::any_unreferenced): New function.
4128         * script-c.h (script_symbol): Declare.
4129         * yyscript.y (exp): Call script_symbol.
4130         * symtab.cc: Include "script.h".
4131         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4132         Change all callers.  Check symbols referenced by scripts.
4133         (Symbol_table::add_undefined_symbols_from_command_line): Add
4134         layout parameter.  Change all callers.
4135         (Symbol_table::do_add_undefined_symbols_from_command_line):
4136         Likewise.  Break out loop body.  Check symbols referenced by
4137         scripts.
4138         (Symbol_table::add_undefined_symbol_from_command_line): New
4139         function broken out of
4140         do_add_undefined_symbols_from_command_line.
4141         * symtab.h (class Symbol_table): Update declarations.
4142         * archive.cc: Include "layout.h".
4143         (Archive::should_include_member): Add layout parameter.  Change
4144         all callers.  Check for symbol mentioned in expression.
4145         * archive.h (class Archive): Update declaration.
4146         * object.cc (Sized_relobj::do_should_include_member): Add layout
4147         parameter.
4148         * object.h (Object::should_include_member): Add layout parameter.
4149         Change all callers.
4150         (Object::do_should_include_member): Add layout parameter.
4151         (class Sized_relobj): Update declaration.
4152         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4153         parameter.
4154         * dynobj.h (class Sized_dynobj): Update declaration.
4155         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4156         layout parameter.
4157         * plugin.h (class Sized_pluginobj): Update declaration.
4158
4159 2010-08-02  Ian Lance Taylor  <iant@google.com>
4160
4161         PR 11866
4162         * output.cc (Output_segment::set_offset): Search for the first and
4163         last sections rather than assuming that the list is in order.
4164         (Output_segment::find_first_and_last_list): New function.
4165         * output.h (class Output_segment): Update declarations.
4166         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4167         (relro_strip_test_SOURCES): New variable.
4168         (relro_strip_test_DEPENDENCIES): New variable.
4169         (relro_strip_test_LDFLAGS): New variable.
4170         (relro_strip_test_LDADD): New variable.
4171         (relro_strip_test.so): New target.
4172
4173 2010-08-02  Ian Lance Taylor  <iant@google.com>
4174
4175         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4176         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4177         (Target_i386::got_tlsdesc_section): New function.
4178         (Target_i386::got_section): Create space for GOT entries for
4179         TLSDESC relocations.
4180         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4181         R_386_TLS_GOTDESC.
4182         (Target_i386::Scan::global): Likewise.
4183         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4184         using TLSDESC GOT.
4185         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4186         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4187         (Target_x86_64::got_tlsdesc_section): New function.
4188         (Target_x86_64::got_section): Create space for GOT entries for
4189         TLSDESC relocations.
4190         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4191         R_386_TLS_GOTDESC.
4192         (Target_x86_64::Scan::global): Likewise.
4193         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4194         using TLSDESC GOT.
4195
4196 2010-08-02  Ian Lance Taylor  <iant@google.com>
4197
4198         * testsuite/final_layout.sh: Use dc to convert from hex to
4199         decimal.
4200
4201 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4202
4203         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4204         paramter to the call to gold::gc_process_relocs.
4205         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4206         paramter to the call to gold::gc_process_relocs.
4207         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4208         parameter to the call to gold::gc_process_relocs.
4209         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4210         template parameter to the call to gold::gc_process_relocs.
4211         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4212         paramter to the call to gold::gc_process_relocs.
4213         * gc.h (get_embedded_addend_size): New function.
4214         (gc_process_relocs): Save the size of the reloc for use by ICF.
4215         * icf.cc (get_section_contents): Get the addend from the text section
4216         for SHT_REL relocation sections.
4217         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4218         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4219         * int_encoding.h (read_from_pointer): New overloaded function.
4220         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4221         * testsuite/icf_sht_rel_addend_test.sh: New file.
4222         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4223         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4224
4225 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4226
4227         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4228         * Makefile.in: Regenerate.
4229         * testsuite/Makefile.in: Regenerate.
4230
4231 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4232
4233         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4234         * gold/testsuite/debug_msg.cc: Likewise.
4235         * gold/testsuite/odr_violation1.cc
4236         * gold/testsuite/odr_violation2.cc
4237
4238 2010-07-21  Cary Coutant  <ccoutant@google.com>
4239
4240         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4241         string, and length fields.
4242         (Output_merge_string::Merged_strings_list): New type.
4243         (Output_merge_string::Merged_strings_lists): New typedef.
4244         (Output_merge_string): Replace merged_strings_ with
4245         merged_strings_lists_.
4246         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4247         Merged_strings_list per input object and section.  Don't store pointer
4248         to the string.  Don't store length with each merged string entry.
4249         (Output_merge_string::finalize_merged_data): Loop over list of merged
4250         strings lists.  Recompute length of each merged string.
4251
4252 2010-07-15  Cary Coutant  <ccoutant@google.com>
4253
4254         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4255         here.
4256
4257 2010-07-14  Ian Lance Taylor  <iant@google.com>
4258
4259         * descriptors.cc (Descriptors::open): Report correct name in error
4260         message.
4261
4262 2010-07-13  Doug Kwan  <dougkwan@google.com>
4263
4264         * arm.cc (Arm_input_section::Arm_input_section): For a
4265         SHT_ARM_EXIDX section, always keeps the input sections.
4266         (Arm_input_section::set_exidx_section_link): New method.
4267         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4268         has_errors_ to false.
4269         (Arm_exidx_input_section::has_errors,
4270         Arm_exidx_input_section::set_has_errors): New methods.
4271         (Arm_exidx_input_section::has_errors_): New data member.
4272         (Arm_relobj::get_exidx_shndx_list): New method.
4273         (Arm_output_section::append_text_sections_to_list): Do not skip
4274         section without SHF_EXECINSTR.
4275         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4276         errors.
4277         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4278         section header.  Make error messages more verbose.  Check for
4279         a non-executable section linked to an EXIDX section.
4280         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4281         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4282         check that there is no deferred EXIDX section if we exit early.
4283         Instead of not making an EXIDX section in case of an error, make one
4284         and set the has_errors flag of it.
4285         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4286         in a relocatable link.
4287         (Target_arm::do_relax): Look for the EXIDX output section instead of
4288         assuming that it is called .ARM.exidx.
4289         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4290         section list.  Do not check for SHF_EXECINSTR section flags but
4291         skip any input section with errors.
4292         * output.cc (Output_section::Output_section): Initialize
4293         always_keeps_input_sections_ to false.
4294         (Output_section::add_input_section): Check for
4295         always_keeps_input_sections_.
4296         *  output.h (Output_section::always_keeps_input_sections,
4297         Output_section::set_always_keeps_input_sections): New methods.
4298         (Output_section::always_keeps_input_sections): New data member.
4299
4300 2010-07-13  Rafael Espindola  <espindola@google.com>
4301
4302         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4303         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4304
4305 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4306             Ian Lance Taylor  <iant@google.com>
4307
4308         * output.h (Output_section_lookup_maps::add_merge_section):
4309         Correct check of whether value was inserted.
4310         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4311         (Output_section_lookup_maps::add_relaxed_input_section):
4312         Likewise.
4313         * arm.cc (Target_arm::got_section): Remove used local os.
4314         * i386.cc (Target_i386::got_section): Likewise.
4315         * x86_64.cc (Target_x86_64::got_section): Likewise.
4316         * sparc.cc (Target_sparc::got_section): Likewise.
4317         (Target_sparc::relocate): Remove unused local have_got_offset.
4318         * powerpc.cc (Target_powerpc::relocate): Likewise.
4319
4320 2010-07-13  Ian Lance Taylor  <iant@google.com>
4321
4322         * compressed_output.cc (zlib_decompress): Fix signature in
4323         !HAVE_ZLIB_H case.
4324
4325         * archive.cc (Archive::include_member): Unlock an external member
4326         of a thin archive.  Don't bother to delete an object we know is
4327         NULL.
4328
4329 2010-07-12  Cary Coutant  <ccoutant@google.com>
4330
4331         * compressed_output.cc (zlib_decompress): New function.
4332         (get_uncompressed_size): New function.
4333         (decompress_input_section): New function.
4334         * compressed_output.h (get_uncompressed_size): New function.
4335         (decompress_input_section): New function.
4336         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4337         Handle compressed debug sections.
4338         * layout.cc (is_compressed_debug_section): New function.
4339         (Layout::output_section_name): Map compressed section names to
4340         canonical names.
4341         * layout.h (is_compressed_debug_section): New function.
4342         (is_debug_info_section): Recognize compressed debug sections.
4343         * merge.cc: Include compressed_output.h.
4344         (Output_merge_data::do_add_input_section): Handle compressed
4345         debug sections.
4346         (Output_merge_string::do_add_input_section): Handle compressed
4347         debug sections.
4348         * object.cc: Include compressed_output.h.
4349         (Sized_relobj::Sized_relobj): Initialize new data members.
4350         (build_compressed_section_map): New function.
4351         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4352         * object.h (Object::section_is_compressed): New method.
4353         (Object::do_section_is_compressed): New method.
4354         (Sized_relobj::Compressed_section_map): New type.
4355         (Sized_relobj::do_section_is_compressed): New method.
4356         (Sized_relobj::compressed_sections_): New data member.
4357         * output.cc (Output_section::add_input_section): Handle compressed
4358         debug sections.
4359         * reloc.cc: Include compressed_output.h.
4360         (Sized_relobj::write_sections): Handle compressed debug sections.
4361
4362 2010-07-08  Cary Coutant  <ccoutant@google.com>
4363
4364         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4365         weak when resolving to a dynamic def.
4366         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4367         for weak undef/dynamic def cases. Adjust callers.
4368         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4369         undef_binding_weak_.
4370         (Symbol_table::sized_write_globals): Adjust symbol binding.
4371         (Symbol_table::sized_write_symbol): Add binding parameter.
4372         * symtab.h (Symbol::set_undef_binding): New method.
4373         (Symbol::is_undef_binding_weak): New method.
4374         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4375         (Symbol_table::should_override): Add new parameter.
4376         (Symbol_table::sized_write_symbol): Add new parameter.
4377
4378         * testsuite/weak_undef_file1.cc: Add new test case.
4379         * testsuite/weak_undef_file2.cc: Fix header comment.
4380         * testsuite/weak_undef_test.cc: Add new test case.
4381
4382 2010-06-29  Doug Kwan  <dougkwan@google.com>
4383
4384         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4385         Initialize USE_SYMBOL_.
4386         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4387         definition.
4388         (Arm_reloc_property::uses_symbol_): New data member declaration.
4389         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4390         uses symbol value and symbol is undefined but not weakly undefined.
4391
4392 2010-06-28  Rafael Espindola  <espindola@google.com>
4393
4394         * plugin.cc (Plugin::load): Use dlerror.
4395
4396 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4397
4398         * symtab.cc (detect_odr_violations): When reporting an ODR
4399         violation, report an object where the symbol is defined.
4400
4401 2010-06-25  Doug Kwan  <dougkwan@google.com>
4402
4403         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4404         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4405         definition.
4406         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4407         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4408         target hook to detect function points.
4409         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4410         * icf.h (Icf::check_section_for_function_pointers): Change type of
4411         parameter SECTION_NAME to const reference to std::string.  Use
4412         target hook to determine if section may have unsafe pointers.
4413         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4414         method definition.
4415
4416 2010-06-21  Rafael Espindola  <espindola@google.com>
4417
4418         * fileread.cc (Input_file::find_fie): New
4419         (Input_file::open): Use Input_file::find_fie.
4420         * fileread.h (Input_file::find_fie): New
4421         * plugin.cc (set_extra_library_path): New.
4422         (Plugin::load): Add set_extra_library_path to the transfer vector.
4423         (Plugin_manager::set_extra_library_path): New.
4424         (Plugin_manager::add_input_file): Use the extra search path if set.
4425         (set_extra_library_path(): New.
4426         * plugin.h (Plugin_manager): Add set_extra_library_path and
4427         extra_search_path_.
4428
4429 2010-06-19  Cary Coutant  <ccoutant@google.com>
4430
4431         * layout.cc (gdb_sections): Add .debug_types.
4432         (lines_only_debug_sections): Likewise.
4433
4434 2010-06-18  Rafael Espindola  <espindola@google.com>
4435
4436         * plugin.cc (add_input_file,add_input_library)
4437         (Plugin_manager::add_input_file): Make filename arguments const.
4438         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4439         const.
4440
4441 2010-06-16  Doug Kwan  <dougkwan@google.com>
4442
4443         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4444         .ARM.attributes section if we have not merged any input
4445         attributes sections.
4446
4447 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4448
4449         * arm.cc: Allow combining objects with no EABI version
4450         information.
4451
4452 2010-06-15  Rafael Espindola  <espindola@google.com>
4453
4454         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4455
4456 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4457
4458         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4459         (struct iovec): Correct !HAVE_READV definition.
4460
4461 2010-06-10  Cary Coutant  <ccoutant@google.com>
4462
4463         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4464         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4465         reloc sections.
4466         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4467
4468         PR 11683
4469         * symtab.h (Symbol::is_placeholder): New member function.
4470         * target-reloc.h (relocate_section): Check for placeholder symbols.
4471
4472         * testsuite/Makefile.am (plugin_test_8): New test.
4473         (plugin_test_9): New test.
4474         * testsuite/Makefile.in: Regenerate.
4475
4476 2010-06-09  Nick Clifton  <nickc@redhat.com>
4477
4478         * yyscript.y (input_list_element): Allow strings prefixed with
4479         the '-' character.  Treat these as libraries.
4480         * script.cc (script_add_library): New function.  Adds a library
4481         specified by "-l<name>" found in an input script.
4482         * script-c.h: Add prototype for script_add_library.
4483
4484 2010-06-07  Doug Kwan  <dougkwan@google.com>
4485
4486         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4487         Restrict stub-group size to be within long conditional branch
4488         range when working around cortex-A8 erratum.
4489
4490 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4491
4492         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4493         #ifdef typo.
4494
4495 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4496
4497         PR gold/11658
4498         * output.cc
4499         (Output_section::Input_section_sort_entry::compare_section_ordering):
4500         Change to return non-zero correctly.
4501         (Output_section::Input_section_sort_section_order_index_compare
4502         ::operator()): Change to fix ambiguity in comparisons.
4503
4504 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4505
4506         * gold.h (is_wildcard_string): New function.
4507         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4508         (Layout::layout_eh_frame): Ditto.
4509         (Layout::find_section_order_index): New method.
4510         (Layout::read_layout_from_file): New method.
4511         * layout.h (Layout::find_section_order_index): New method.
4512         (Layout::read_layout_from_file): New method.
4513         (Layout::input_section_position_): New private member.
4514         (Layout::input_section_glob_): New private member.
4515         * main.cc (main): Call read_layout_from_file here.
4516         * options.h (--section-ordering-file): New option.
4517         * output.cc (Output_section::input_section_order_specified_): New
4518         member.
4519         (Output_section::Output_section): Initialize new member.
4520         (Output_section::add_input_section): Add new parameter.
4521         Keep input sections when --section-ordering-file is used.
4522         (Output_section::set_final_data_size): Sort input sections when
4523         section ordering file is specified.
4524         (Output_section::Input_section_sort_entry): Add new parameter.
4525         Check sorting type.
4526         (Output_section::Input_section_sort_entry::compare_section_ordering):
4527         New method.
4528         (Output_section::Input_section_sort_compare::operator()): Change to
4529         consider section_order_index.
4530         (Output_section::Input_section_sort_init_fini_compare::operator()):
4531         Change to consider section_order_index.
4532         (Output_section::Input_section_sort_section_order_index_compare
4533         ::operator()): New method.
4534         (Output_section::sort_attached_input_sections): Change to sort
4535         according to section order when specified.
4536         (Output_section::add_input_section<32, true>): Add new parameter.
4537         (Output_section::add_input_section<64, true>): Add new parameter.
4538         (Output_section::add_input_section<32, false>): Add new parameter.
4539         (Output_section::add_input_section<64, false>): Add new parameter.
4540         * output.h (Output_section::add_input_section): Add new parameter.
4541         (Output_section::input_section_order_specified): New
4542         method.
4543         (Output_section::set_input_section_order_specified): New method.
4544         (Input_section::Input_section): Initialize section_order_index_.
4545         (Input_section::section_order_index): New method.
4546         (Input_section::set_section_order_index): New method.
4547         (Input_section::section_order_index_): New member.
4548         (Input_section::Input_section_sort_section_order_index_compare): New
4549         struct.
4550         (Output_section::input_section_order_specified_): New member.
4551         * script-sections.cc (is_wildcard_string): Delete and move modified
4552         method to gold.h.
4553         (Output_section_element_input::Output_section_element_input): Modify
4554         call to is_wildcard_string.
4555         (Output_section_element_input::Input_section_pattern
4556         ::Input_section_pattern): Ditto.
4557         (Output_section_element_input::Output_section_element_input): Ditto.
4558         * testsuite/Makefile.am (final_layout): New test case.
4559         * testsuite/Makefile.in: Regenerate.
4560         * testsuite/final_layout.cc: New file.
4561         * testsuite/final_layout.sh: New file.
4562
4563 2010-06-01  Rafael Espindola  <espindola@google.com>
4564
4565         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4566
4567 2010-06-01  Rafael Espindola  <espindola@google.com>
4568
4569         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4570         visibility of symbols.
4571
4572 2010-05-27  Doug Kwan  <dougkwan@google.com>
4573
4574         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4575         from start of output section instead of address for a local symbol
4576         in a merged or relaxed section when doing a relocatable link.
4577
4578 2010-05-26  Rafael Espindola  <espindola@google.com>
4579
4580        PR 11604
4581         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4582         adding sections the garbage collector removed.
4583         * gold/testsuite/Makefile.am: Add test.
4584         * gold/testsuite/Makefile.in: Regenerate.
4585         * gold/testsuite/plugin_test_7.sh: New.
4586         * gold/testsuite/plugin_test_7_1.c: New.
4587         * gold/testsuite/plugin_test_7_2.c: New.
4588
4589 2010-05-26  Rafael Espindola  <espindola@google.com>
4590
4591         * script-sections.cc (Output_section_definition::set_section_addresses):
4592         Check for --section-start.
4593
4594 2010-05-26  Doug Kwan  <dougkwan@google.com>
4595
4596         * arm.cc (Arm_scan_relocatable_relocs): New class.
4597         (Target_arm::relocate_special_relocatable): New method.
4598         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4599         (Arm_relocate_functions::thumb_branch_common): Same.
4600         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4601         instead of Default_scan_relocatable_relocs.
4602         * target-reloc.h (relocate_for_relocatable): Let target handle
4603         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4604         * target.h (Sized_target::relocate_special_relocatable): New method.
4605
4606 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4607
4608         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4609
4610 2010-05-23  Doug Kwan  <dougkwan@google.com>
4611
4612         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4613         instead of a cast.
4614         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4615         with a direct branch, not a conditional branch, to a stub.
4616         * merge.cc (Output_merge_base::record_input_section): New method
4617         defintion.
4618         (Output_merge_data::do_add_input_section): Record input section if
4619         keeps-input-sections flag is set.
4620         (Output_merge_string::do_add_input_section): Ditto.
4621         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4622         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4623         INPUT_SECTIONS_.
4624         (Output_merge_base::keeps_input_sections,
4625         Output_merge_base::set_keeps_input_sections,
4626         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4627         method definitions.
4628         (Output_merge_base::Input_sections): New type declaration.
4629         (Output_merge_base::input_sections_begin,
4630         Output_merge_base::input_sections_end,
4631         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4632         (Output_merge_base::bool keeps_input_sections_,
4633         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4634         Output_merge_base::input_sections_): New data members.
4635         (Output_merge_data::do_set_keeps_input_sections): New method
4636         defintion.
4637         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4638         * output.cc (Output_section::Input_section::relobj): Move method
4639         defintion from class declaration to here and handle merge sections.
4640         (Output_section::Input_section::shndx): Ditto.
4641         (Output_section::Output_section): Remove initializations of removed
4642         data members and initialize new data member LOOKUP_MAPS_.
4643         (Output_section::add_input_section): Set keeps-input-sections flag
4644         for a newly created merge output section as appropriate.  Adjust code
4645         to use Output_section_lookup_maps class.
4646         (Output_section::add_relaxed_input_section): Adjst code for lookup
4647         maps code refactoring.
4648         (Output_section::add_merge_input_section): Add a new parameter
4649         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4650         class.  If adding input section to a newly created merge output
4651         section fails, remove the new merge section.
4652         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4653         Adjust code for use of the Output_section_lookup_maps class.
4654         (Output_section::find_merge_section): Ditto.
4655         (Output_section::build_lookup_maps): New method defintion.
4656         (Output_section::find_relaxed_input_section): Adjust code to use
4657         Output_section_lookup_maps class.
4658         (Output_section::get_input_sections): Export merge sections.  Adjust
4659         code to use Output_section_lookup_maps class.
4660         (Output_section:::add_script_input_section): Adjust code to use
4661         Output_section_lookup_maps class.  Update lookup maps for merge
4662         sections also.
4663         (Output_section::discard_states): Use Output_section_lookup_maps.
4664         (Output_section::restore_states): Same.
4665         * output.h (Merge_section_properties): Move class defintion out of
4666         Output_section.
4667         (Output_section_lookup_maps): New class.
4668         (Output_section::Input_section::is_merge_section): New method
4669         defintion.
4670         (Output_section::Input_section::relobj): Move defintion out of class
4671         defintion.  Declare method only.
4672         (Output_section::Input_section::shndx): Ditto.
4673         (Output_section::Input_section::output_merge_base): New method defintion.
4674         (Output_section::Input_section::u2_.pomb): New union field.
4675         (Output_section::Merge_section_by_properties_map,
4676         Output_section::Output_section_data_by_input_section_map,
4677         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4678         Remove types.
4679         (Output_section::add_merge_input_section): Add new parameter
4680         KEEPS_INPUT_SECTIONS.
4681         (Output_section::build_lookup_maps): New method declaration.
4682         (Output_section::merge_section_map_,
4683         Output_section::merge_section_by_properties_map_,
4684         Output_section::relaxed_input_section_map_,
4685         Output_section::is_relaxed_input_section_map_valid_): Remove data
4686         members.
4687         (Output_section::lookup_maps_): New data member.
4688
4689 2010-05-21  Doug Kwan  <dougkwan@google.com>
4690
4691         PR gold/11619
4692         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4693         avoid a compilation error.
4694
4695 2010-05-19  Rafael Espindola  <espindola@google.com>
4696
4697         * script-sections.cc (Output_section_definition::allocate_to_segment):
4698         Update the phdrs_list even when the output section is NULL.
4699         * testsuite/Makefile.am: Add test.
4700         * testsuite/Makefile.in: Regenerate.
4701         * testsuite/script_test_9.cc: New.
4702         * testsuite/script_test_9.sh: New.
4703         * testsuite/script_test_9.t: New.
4704
4705 2010-05-19  Doug Kwan  <dougkwan@google.com>
4706
4707         * arm.cc (Arm_input_section::original_size): New method.
4708         (Arm_input_section::do_addralign): Add a cast.
4709         (Arm_input_section::do_output_offset): Remove static cast.
4710         (Arm_input_section::original_addralign,
4711          Arm_input_section::original_size_): Change type to uint32_t.
4712         (Arm_input_section::init): Add safe casts for section alignment
4713         and size.
4714         (Arm_input_section::set_final_data_size): Do not set address and
4715         offset of stub table.
4716         (Arm_output_section::fix_exidx_coverage): Change use of of
4717         Output_section::Simple_input_section to that of
4718         Output_section::Input_section.
4719         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4720         except for the first pass.
4721         * output.cc (Output_section::get_input_sections): Change type of
4722         input_sections to std::list<Input_section>.
4723         (Output_section::add_script_input_section): Rename from
4724         Output_section::add_simple_input_section.  Change type of SIS
4725         parameter from Simple_input_section to Input_section.
4726         * output.h (Output_section::Simple_input_section): Remove class.
4727         (Output_section::Input_section): Change class visibility to public.
4728         (Output_section::Input_section::addralign): Use stored alignments
4729         for special input sections if set.
4730         (Output_section::Input_section::set_addralign): New method.
4731         (Output_section::get_input_sections): Change parameter type from
4732         list of Simple_input_section to list of Input_section.
4733         (Output_section::add_script_input_section): Rename from
4734         Output_section::add_simple_input_section. Change first parameter's
4735         type from Simple_input_section to Input_section and remove the
4736         second and third parameters.
4737         * script-sections.cc (Input_section::Input_section_list): Change
4738         type to list of Output_section::Input_section/
4739         (Input_section_info::Input_section_info): Change parameter type of
4740         INPUT_SECTION to Output_section::Input_section.
4741         (Input_section_info::input_section): Change return type.
4742         (Input_section_info::input_section_): Change type to
4743         Output_section::Input_section.
4744         (Output_section_element_input::set_section_addresses): Adjust code
4745         to use Output_section::Input_section instead of
4746         Output_section::Simple_input_section.  Adjust code for renaming
4747         of Output_section::add_simple_input_section.
4748         (Orphan_output_section::set_section_addresses): Ditto.
4749
4750 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4751
4752         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4753         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4754
4755 2010-05-18  Rafael Espindola  <espindola@google.com>
4756
4757         * options.cc (General_options::finalize): Handle -nostdlib.
4758         * options.h (nostdlib): New option.
4759         * script.cc (script_add_search_dir): Handle -nostdlib.
4760
4761 2010-05-12  Doug Kwan  <dougkwan@google.com>
4762
4763         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4764         attributes section only if there no attributes section after merging.
4765         (Target_arm::merge_object_attributes): Move value of
4766         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4767         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4768         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4769         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4770         and arm_attr_merge_7.stdout.
4771         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4772         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4773         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4774         arm_attr_merge_7b.o): New rules.
4775         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4776         arm_attr_merge_7
4777         * testsuite/Makefile.in: Regenerate.
4778         * testsuite/arm_attr_merge.sh: New file.
4779         * testsuite/arm_attr_merge_[67][ab].s: Same.
4780
4781 2010-05-05  Nick Clifton  <nickc@redhat.com>
4782
4783         * po/es.po: Updated Spanish translation.
4784
4785 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4786
4787         * Makefile.am (install-exec-local): Properly install gold as
4788         default cross linker.
4789         * Makefile.in: Regenerated.
4790
4791 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4792             Nick Clifton  <nickc@redhat.com>
4793
4794         * configure.ac (install_as_default): Define and set to false
4795         unless --enable-gold or --enable-gold=both/gold has been
4796         specified.
4797         * configure: Regenerate.
4798
4799         * Makefile.am (install-exec-local): Install the executable as
4800         'ld.gold'.  If install_as_default is true then also install it as
4801         'ld'.
4802         * Makefile.in: Regenerated.
4803
4804 2010-04-24  Ian Lance Taylor  <iant@google.com>
4805
4806         * layout.cc (Layout::layout_reloc): In relocatable link don't
4807         combine reloc sections for grouped sections.
4808
4809 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4810
4811         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4812         sections that are not ordinary to icf.
4813         * icf.cc (get_section_contents): Handle relocation pointing to section
4814         with no object or shndx information.
4815         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4816         * testsuite/Makefile.in: Regenerate.
4817         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4818         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4819
4820 2010-04-22  Ian Lance Taylor  <iant@google.com>
4821
4822         * expression.cc (Expression::Expression_eval_info): Add
4823         result_alignment_pointer field.
4824         (Expression::eval_with_dot): Add result_alignment_pointer
4825         parameter.  Change all callers.
4826         (Expression::eval_maybe_dot): Likewise.
4827         (class Binary_expression): Add alignment_pointer parameter to
4828         left_value and right_value.  Change all callers.
4829         (BINARY_EXPRESSION): Set result alignment.
4830         (class Trinary_expression): Add alignment_pointer parameter to
4831         arg2_value and arg3_value.  Change all callers.
4832         (Trinary_cond::value): Set result alignment.
4833         (Max_expression::value, Min_expression::value): Likewise.
4834         (Align_expression::value): Likewise.
4835         * script-sections.cc (class Sections_element): Add dot_alignment
4836         parameter to set_section_addresses virtual function.  Update
4837         instantiations.
4838         (class Output_section_element): Likewise.
4839         (Script_sections::create_segments): Add dot_alignment parameter.
4840         Change all callers.
4841         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4842         (Script_sections::set_phdrs_clause_addresses): Likewise.
4843         * script-sections.h: Update declarations.
4844         * script.h: Update declarations.
4845         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4846         min_p_align.
4847         * testsuite/script_test_3.t: Set large alignment.
4848         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4849         segment has expected alignment.
4850
4851 2010-04-22  Nick Clifton  <nickc@redhat.com>
4852
4853         * po/gold.pot: Updated by the Translation project.
4854         * po/vi.po: Updated Vietnamese translation.
4855
4856 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4857
4858         * testsuite/Makefile.am (check_PROGRAMS): Add
4859         icf_virtual_function_folding_test.
4860         * testsuite/Makefile.in: Regenerated.
4861
4862 2010-04-15  Andrew Haley  <aph@redhat.com>
4863
4864         * options.h (merge_exidx_entries): New option.
4865         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4866         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4867         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4868         (Target_arm::merge_exidx_entries): New function.
4869         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4870         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4871         to Arm_exidx_fixup constructor.
4872         Add new arg, merge_exidx_entries.
4873         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4874         Arm_output_section::fix_exidx_coverage.
4875
4876 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4877
4878         * icf.cc (get_section_contents): Check for preemptible functions.
4879         Ignore addend when appropriate.
4880         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4881         section folded.
4882         (add_from_relobj): Check for section folded.
4883         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4884         * symtab.h (should_add_dynsym_entry): Add new parameter.
4885         * target-reloc.h (scan_relocs): Check for section folded.
4886         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4887         Check reloc types for function pointers in shared objects.
4888         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4889         case.
4890         (icf_preemptible_functions_test): New test case.
4891         (icf_string_merge_test): New test case.
4892         * testsuite.Makefile.in: Regenerate.
4893         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4894         bar_glob.  Refactor code.
4895         * testsuite/icf_preemptible_functions_test.cc: New file.
4896         * testsuite/icf_preemptible_functions_test.sh: New file.
4897         * testsuite/icf_string_merge_test.cc: New file.
4898         * testsuite/icf_string_merge_test.sh: New file.
4899         * testsuite/icf_virtual_function_folding_test.cc: New file.
4900         * testsuite/icf_virtual_function_folding_test.sh: New file.
4901
4902 2010-04-14  Doug Kwan  <dougkwan@google.com>
4903
4904         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4905         for local symbol recounting if we remove a section due to ICF.
4906         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4907         there are no regular objects in input.
4908
4909 2010-04-13  Doug Kwan  <dougkwan@google.com>
4910
4911         * arm.cc (Arm_input_section::set_final_data_size): Compute
4912         accurate final data size instead of using current data size.
4913
4914 2010-04-09  Doug Kwan  <dougkwan@google.com>
4915
4916         * layout.cc (Layout::choose_output_section): Handle script section
4917         types.
4918         (Layout::make_output_section_for_script): Add section type parameter.
4919         Handle script section types.
4920         * layout.h (Layout::make_output_section_for_script): Add section
4921         type parameter.
4922         * output.cc (Output_section::Output_section): Initialize data member
4923         is_noload_.
4924         (Output_section::do_reset_address_and_file_offset): Do not set address
4925         to 0 if section is a NOLOAD section.
4926         * output.h (Output_section::is_noload): New method.
4927         (Output_section::set_is_noload): Ditto.
4928         (Output_section::is_noload_): New data member.
4929         * script-c.h (Script_section_type): New enum type.
4930         (struct Parser_output_section_header): Add new file section_type.
4931         * script-sections.cc (Sections_element::output_section_name): Add
4932         parameter for returning script section type.
4933         (Output_section_definition::output_section_name): Ditto.
4934         (Output_section_definition::section_type)P; New method.
4935         (Output_section_definiton::script_section_type_name): Ditto.
4936         (Output_section_definition::script_section_type_): New data member.
4937         (Output_section_definition::Output_section_definition): Initialize
4938         data member Output_section_definition::script_section_type_.
4939         (Output_section_definition::create_sections): Pass script section type
4940         to Layout::make_output_section_for_script.
4941         (Output_section_definition::output_section_name): Return script
4942         section type to caller.
4943         (Output_section_definition::set_section_address): Do not advance
4944         dot value and load address if section type is NOLOAD.  Set address
4945         of NOLOAD sections regardless of section flags.
4946         (Output_section_definition::print): Print section type if it is
4947         not SCRIPT_SECTION_TYPE_NONE.
4948         (Output_section_definition::section_type): New method.
4949         (Output_section_definition::script_section_type_name): Ditto.
4950         (Script_sections::output_section_name): Add new parameter
4951         PSECTION_TYPE for returning script section type.  Pass it to
4952         section elements.  Handle discard sections.
4953         (Sort_output_sections::operator()): Handle NOLOAD sections.
4954         * script-sections.h (Script_sections::Section_type): New enum type.
4955         (Script_sections::output_section_name): Add a new parameter for
4956         returning script section type.
4957         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4958         INFO and NOLOAD.
4959         * yyscript.y (union): Add new field SECTION_TYPE.
4960         (COPY, DSECT, INFO, NOLOAD): New tokens.
4961         (opt_address_and_section_type): Change type to output_section_header.
4962         (section_type): New non-terminal
4963         (section_header): Handle section type.
4964         (opt_address_and_section_type): Return section type value.
4965
4966 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4967
4968         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4969         * testsuite/plugin_common_test_2.c (foo): Likewise.
4970
4971 2010-04-08  Doug Kwan  <dougkwan@google.com>
4972
4973         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4974         Output_merge_data.
4975         * output.cc (Output_section::add_merge_input_section): Simplify
4976         code and return status of Output_merge_base::add_input_section.
4977         Update merge section map only if Output_merge_base::add_input_section
4978         returns true.
4979
4980 2010-04-07  Doug Kwan  <dougkwan@google.com>
4981
4982         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4983         if section is marked as containing instructions but has no mapping
4984         symbols.
4985         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4986         correct section index.
4987         (Arm_relobj::find_linked_text_section): Ditto.
4988
4989 2010-04-07  Cary Coutant  <ccoutant@google.com>
4990
4991         * archive.cc (include_member): Destroy Read_symbols_data object before
4992         releasing file.
4993         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4994         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4995         (Read_symbols_data::~Read_symbols_data) New destructor.
4996         (Section_relocs::Section_relocs) New constructor.
4997         (Section_relocs::~Section_relocs) New destructor.
4998         (Read_relocs_data::Read_relocs_data) New constructor.
4999         (Read_relocs_data::~Read_relocs_data) New destructor.
5000         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5001         pointers to NULL after deleting.
5002
5003 2010-04-07  Doug Kwan  <dougkwan@google.com>
5004
5005         * arm.cc: Replace "endianity" with "endianness" in comments.
5006         (Arm_exidx_cantunwind): Ditto.
5007         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5008         (Arm_relobj::merge_flags_and_attributes): New method.
5009         (Arm_relobj::merge_flags_and_attributes_): New data member.
5010         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5011         (Arm_relobj::scan_sections_for_stubs): Ditto.
5012         (Arm_relobj::do_read_symbols): Check to see if we really want to
5013         merge processor-specific flags and attributes.  Exit early if
5014         an object is empty except for section names and the undefined symbol.
5015         (Target_arm::do_finalize_sections): Move check for ELF format to
5016         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5017         attributes from a regular object only when we have determined that
5018         it is aapropriate.  Do not create an .ARM.attributes section in
5019         output if there is no regular input object.
5020         (Target_arm::merge_processor_specific_flags): Check
5021         --warn-mismatch before printing any error.
5022         (Target_arm::merge_object_attributes): Ditto.
5023         * gold.cc (queue_middle_tasks): Handle the case in which there is
5024         no regular object in input.
5025         * options.cc (General_options::parse_EB): New method.
5026         (General_options::parse_EL): Same.
5027         (General_options::General_options): Initialize endianness_.
5028         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5029         New options.
5030         (General_options::Endianness): New enum.
5031         (General_options::endianness): New method.
5032         (General_options::endianness_): New data member.
5033         * parameters.cc (Parameters::set_options): Check target endianness.
5034         (Parameters::set_target_once): Ditto.
5035         (Parameters::check_target_endianness): New method.
5036         (parameters_force_valid_target): If either -EL or -EB is specified,
5037         use it to define endianness of default target.
5038         * parameters.h (Parameters::check_target_endianness): New method
5039         declaration.
5040         * target.h (class Target): Change "endianity" to "endianness"
5041         in comments.
5042
5043 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5044
5045         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5046         * configure: Regenerate.
5047         * Makefile.in: Regenerate.
5048         * testsuite/Makefile.in: Regenerate.
5049
5050 2010-04-06  Cary Coutant  <ccoutant@google.com>
5051
5052         gcc PR lto/42757
5053         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5054         prevailing definitions of common symbols.
5055         * testsuite/plugin_test_6.sh: New test case.
5056         * testsuite/plugin_common_test_1.c: New test case.
5057         * testsuite/plugin_common_test_2.c: New test case.
5058         * testsuite/Makefile.am (plugin_test_6): New test case.
5059         * testsuite/Makefile.in: Regenerate.
5060
5061 2010-04-06  Nick Clifton  <nickc@redhat.com>
5062
5063         * po/vi.po: New Vietnamese translation.
5064
5065 2010-03-30  Doug Kwan  <dougkwan@google.com>
5066
5067         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5068
5069 2010-03-25  Doug Kwan  <dougkwan@google.com>
5070
5071         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5072         to avoid a conversion warning on a 32-bit host.
5073
5074 2010-03-24  Ian Lance Taylor  <iant@google.com>
5075
5076         * testsuite/script_test_3.t: Add a TLS segment.
5077         * testsuite/Makefile.am (check_PROGRAMS): Add
5078         tls_phdrs_script_test.
5079         (tls_phdrs_script_test_SOURCES): Define.
5080         (tls_phdrs_script_test_DEPENDENCIES): Define.
5081         (tls_phdrs_script_test_LDFLAGS): Define.
5082         (tls_phdrs_script_test_LDADD): Define.
5083         * testsuite/Makefile.in: Rebuild.
5084
5085 2010-03-23  Cary Coutant  <ccoutant@google.com>
5086
5087         * fileread.cc (find_or_make_view): Fix comment.
5088
5089 2010-03-23  Ian Lance Taylor  <iant@google.com>
5090
5091         * script-sections.cc (class Orphan_section_placement): Define
5092         PLACE_TLS and PLACE_TLS_BSS.
5093         (Orphan_section_placement::Orphan_section_placement): Initialize
5094         new places.
5095         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5096         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5097         (tls_script_test_SOURCES): Define.
5098         (tls_script_test_DEPENDENCIES): Define.
5099         (tls_script_test_LDFLAGS): Define.
5100         (tls_script_test_LDADD): Define.
5101         * testsuite/Makefile.in: Rebuild.
5102
5103 2010-03-22  Doug Kwan  <dougkwan@google.com>
5104
5105         * arm.cc (Arm_relocate_functions::abs8,
5106         Arm_relocate_functions::abs16): Use correct check for overflow
5107         specified in the ARM ELF specs.
5108         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5109         target of a BLX instruction specially.
5110         (Reloc_stub::stub_type_for_reloc): Ditto.
5111         (Relocate::relocate): Use symbolic names instead of numeric relocation
5112         codes to report error.
5113         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5114         workaround.
5115         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5116         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5117         thumb2_blx_out_of_range.stdout
5118         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5119         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5120         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5121         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5122         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5123         thumb2_blx_in_range, thumb2_blx_in_range.o,
5124         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5125         thumb2_blx_out_of_range.o): New rules.
5126         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5127         thumb2_blx_in_range and thumb2_blx_out_of_range.
5128         * testsuite/Makefile.in: Regenerate.
5129         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5130         * testsuite/thumb_blx_in_range.s: New file.
5131         * testsuite/thumb_blx_out_of_range.s: New file.
5132
5133 2010-03-22  Rafael Espindola  <espindola@google.com>
5134
5135         * archive.cc (Should_include): Move to archive.h.
5136         (should_include_member): Make it a member of Archive.
5137         (Lib_group): New.
5138         (Add_lib_group_symbols): New.
5139         * archive.h: Include options.h.
5140         (Archive_member): Moved from Archive.
5141         (Should_include): Moved from archive.cc.
5142         (Lib_group): New.
5143         (Add_lib_group_symbols): New.
5144         * dynobj.cc (do_should_include_member): New.
5145         * dynobj.h (do_should_include_member): New.
5146         * gold.cc (queue_initial_tasks): Update call to queue.
5147         * main.cc (main): Print lib group stats.
5148         * object.cc (do_should_include_member): New.
5149         * object.h: Include archive.h.
5150         (Object::should_include_member): New.
5151         (Object::do_should_include_member): New.
5152         (Sized_relobj::do_should_include_member): New.
5153         * options.cc (General_options::parse_start_lib): New.
5154         (General_options::parse_end_lib): New.
5155         (Input_arguments::add_file): Handle lib groups.
5156         (Input_arguments::start_group): Check we are not in a lib.
5157         (Input_arguments::start_lib): New.
5158         (Input_arguments::end_lib): New.
5159         * options.h (General_options): Add start_lib and end_lib.
5160         (Input_argument::lib_): New.
5161         (Input_argument::lib): New.
5162         (Input_argument::is_lib): New.
5163         (Input_file_lib): New.
5164         (Input_arguments::in_lib_): New.
5165         (Input_arguments::in_lib): New.
5166         (Input_arguments::start_lib): New.
5167         (Input_arguments::end_lib_): New.
5168         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5169         in unused members as preempted.
5170         (Sized_pluginobj::do_should_include_member): New.
5171         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5172         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5173         return the blocker.
5174         (Read_symbols::do_whole_lib_group): New.
5175         (Read_symbols::do_lib_group): New.
5176         (Read_symbols::do_read_symbols): Handle lib groups.
5177         (Read_symbols::get_name): Handle lib groups.
5178         * readsyms.h (Read_symbols): Add an archive member pointer.
5179         (Read_symbols::do_whole_lib_group): New.
5180         (Read_symbols::do_lib_group): New.
5181         (Read_symbols::member_): New.
5182         * script.cc (read_input_script): Update call to queue_soon.
5183
5184 2010-03-19  Doug Kwan  <dougkwan@google.com>
5185
5186         * arm.cc (Stub_table::Stub_table): Initialize new data members
5187         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5188         (Stub_table::add_reloc_stub): Assign stub offset and update
5189         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5190         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5191         New data members.
5192         (Stub_table::update_data_size_and_addralign): Use
5193         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5194         instead of going over all reloc stubs.
5195         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5196         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5197         Stringpool_template::offset_ to size of Stringpool_char.
5198         (Stringpool_template::new_key_offset): Remove code to initialize
5199         Stringpool_template::offset_.
5200         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5201         Stringpool_template::offset_ to zero.
5202
5203 2010-03-15  Doug Kwan  <dougkwan@google.com>
5204
5205         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5206         offset_.
5207         (Stringpool_template::new_key_offset): New method.
5208         (Stringpool_template::add_string): Assign offsets when adding new
5209         strings.
5210         (Stringpool_template::set_string_offsets): Do not set string offsets
5211         when not optimizing.
5212         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5213         member size_.
5214         (Chunked_vector::clear): Clear size_.
5215         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5216         (Chunked_vector::size): Return size_.
5217         (Chunked_vector::push_back): Use size_ to find insert position.
5218         (Chunked_vector::size_): New data member.
5219         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5220         (Stringpool_template::new_key_offset): New method declaration.
5221         (Stringpool_template::offset_): New data member.
5222
5223 2010-03-15   Rafael Espindola  <espindola@google.com>
5224
5225         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5226         Add_symbols' constructor.
5227         * readsyms.h (Add_symbols): Remove the input_group member.
5228
5229 2010-03-10  Ian Lance Taylor  <iant@google.com>
5230
5231         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5232         target to ask whether a reference to a symbol requires a stack
5233         split.
5234         * target.h (Target::is_call_to_non_split): New function.
5235         (Target::do_is_call_to_non_split): Declare virtual function.
5236         * target.cc: Include "symtab.h".
5237         (Target::do_is_call_to_non_split): New function.
5238         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5239
5240 2010-03-10  Cary Coutant  <ccoutant@google.com>
5241
5242         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5243         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5244         (File_read::open[2]): Add whole_file_view_ to list of views.
5245         (File_read::make_view): Remove test of whole_file_view_.
5246         (File_read::find_or_make_view): Create whole_file_view_ if
5247         necessary.
5248         (File_read::clear_views): Replace bool parameter with enum;
5249         adjust all callers.  Don't delete views with permanent data;
5250         do delete cached views and views from archives if
5251         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5252         if clearing the corresponding view.
5253         * fileread.h (File_read::Clear_views_mode): New enum.
5254         (File_read::View::is_permanent_view): New method.
5255         (File_read::clear_views): Replace bool parameter
5256         with enum; adjust all callers.
5257         * options.h (General_options): Change keep_files_mapped option;
5258         add map_whole_files.
5259         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5260         releasing the file.
5261         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5262         the file.
5263
5264 2010-03-10  David S. Miller  <davem@davemloft.net>
5265
5266         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5267
5268 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5269
5270         * icf.cc (get_section_contents): Add '@' marker after processing the
5271         merge reloc.
5272
5273 2010-03-08  Doug Kwan  <dougkwan@google.com>
5274
5275         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5276         due to a conversion warning.
5277         (Arm_relobj::update_output_local_symbol_count): Check for local
5278         symbol with unset output index.
5279
5280 2010-03-05  Ian Lance Taylor  <iant@google.com>
5281
5282         * options.h (class General_options): Add --spare-dynamic-tags.
5283         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5284         --spare-dynamic-tags.
5285
5286 2010-03-05  Ian Lance Taylor  <iant@google.com>
5287
5288         * incremental.cc: Include "libiberty.h".
5289
5290 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5291
5292         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5293         function, is_info_ member.
5294         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5295         (Versions::Versions): Update caller.
5296         (Versions::define_base_version): Likewise.
5297         (Versions::add_def): Likewise.
5298
5299 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5300
5301         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5302         (Scan::possible_function_pointer_reloc): New function.
5303         (Scan::local_reloc_may_be_function_pointer): Change to call
5304         possible_function_pointer_reloc.
5305         (Scan::global_reloc_may_be_function_pointer): Ditto.
5306         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5307         relocations in ".data.rel.ro._ZTV" section.
5308         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5309         * testsuite/icf_safe_so_test.cc: Ditto.
5310         * testsuite/icf_safe_test.cc: Ditto.
5311         * testsuite/icf_safe_test.sh: Ditto.
5312
5313 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5314             Ian Lance Taylor  <iant@google.com>
5315
5316         * target-reloc.h (relocate_section): Check the symbol table index
5317         for -1U before setting the local symbol index.
5318         (scan_relocatable_relocs): If copying the relocation, record that
5319         the local symbol is required.
5320         * object.h (Symbol_value::is_output_symtab_index_set): New
5321         function.
5322         (Symbol_value::may_be_discarded_from_output_symtab): New
5323         function.
5324         (Symbol_value::has_output_symtab_entry): New function.
5325         (Symbol_value::needs_output_symtab_entry): Remove.
5326         (Symbol_value::output_symtab_index): Make sure the symbol index is
5327         set.
5328         (Symbol_value::set_output_symtab_index): Make sure the symbol
5329         index is not set.  Make sure the new index is valid.
5330         (Symbol_value::set_must_have_output_symtab_entry): New function.
5331         (Symbol_value::has_output_dynsym_entry): New function.
5332         (Symbol_value::set_output_dynsym_index): Make sure the new index
5333         is valid.
5334         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5335         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5336         local symbol if permitted.
5337         (Sized_relobj::do_finalize_local_symbols): Call
5338         is_output_symtab_index_set rather than needs_output_symtab_entry.
5339         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5340         rather than needs_output_symtab_entry.  Call
5341         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5342         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5343         is_output_symtab_index_set rather than needs_output_symtab_entry.
5344         * testsuite/discard_locals_relocatable_test.c: New file.
5345         * testsuite/discard_locals_test.sh: Test -r.
5346         * testsuite/Makefile.am (check_DATA): Add
5347         discard_locals_relocatable_test1.syms,
5348         discard_local_relocatable_test2.syms.
5349         (MOSTLYCLEANFILES): Likewise.  Also add
5350         discard_locals_relocatable_test1.lout and
5351         discard_locals_relocatable_test2.out.
5352         (discard_locals_relocatable_test1.syms): New target.
5353         (discard_locals_relocatable_test.o): New target.
5354         (discard_locals_relocatable_test1.out): New target.
5355         (discard_locals_relocatable_test2.syms): New target.
5356         (discard_locals_relocatable_test2.out): New target.
5357         (various): Add missing ../ld-new dependencies.
5358         * testsuite/Makefile.in: Rebuild.
5359
5360 2010-03-03  Nick Clifton  <nickc@redhat.com>
5361
5362         * po/fi.po: New Finnish translation.
5363
5364 2010-03-01  Doug Kwan  <dougkwan@google.com>
5365
5366         * layout.cc (Layout::Layout): Force section types of .init_array*,
5367         .preinit_array* and .fini_array* sections.
5368         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5369         Fix check of return value of std::string::find.().
5370         (Output_section::Input_section_sort_compare::operator()): Remove
5371         comment about .init_array.
5372         (Output_section::Input_section_sort_init_fini_compare::operator()):
5373         New method.
5374         (Output_section::sort_attached_input_sections): Handle .init_array
5375         and .fini_array specially.
5376         * output.h (Output_section::Inut_section_sort_compare): Update
5377         comment.
5378         (Output_section::Input_section_sort_init_fini_compare): New struct.
5379
5380 2010-02-26  Doug Kwan  <dougkwan@google.com>
5381
5382         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5383         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5384         * testsuite/debug_msg.sh: Avoid matching source line number for
5385         use of global variable undef_int.
5386
5387 2010-02-26  Doug Kwan  <dougkwan@google.com>
5388
5389         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5390         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5391         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5392         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5393         * options.cc (General_options::General_options): Initialize member
5394         fix_v4bx_.
5395         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5396         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5397         and rm_no_fix_v4bx.stdout
5398         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5399         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5400         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5401         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5402         and arm_no_fix_v4bx.
5403         * Makefile.in: Regenerate.
5404         * testsuite/arm_fix_v4bx.s: New file.
5405         * testsuite/arm_fix_v4bx.sh: Ditto.
5406
5407 2010-02-24  Doug Kwan  <dougkwan@google.com>
5408
5409         * arm.cc (Target_arm::got_section): Make the .got section the first
5410         non RELRO section in the data segment.
5411         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5412         suffixes of section names.
5413
5414 2010-02-24  Doug Kwan  <dougkwan@google.com>
5415
5416         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5417         flags and attributes merging if an input file is a binary file.
5418         * fileread.cc (Input_file::open): Record format of original file.
5419         * fileread.h (Input_file::Format): New enum type.
5420         (Input_file::Input_file): Initialize data member format_.
5421         (Input_file::format): New method definition.
5422         (Input_file::format_):: New data member.
5423
5424 2010-02-24  Doug Kwan  <dougkwan@google.com>
5425
5426         * arm.cc (Arm_output_data_got): New class.
5427         (ARM_TCB_SIZE): New constant
5428         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5429         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5430         If user uses a script with a SECTIONS clause, issue only a warning
5431         for a misplaced EXIDX input section.  Otherwise, issue an error.
5432         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5433         garbage collection.
5434         (Target_arm::got_mode_index_entry): Handle static linking.
5435         (Target_arm::Scan::local): Ditto.
5436         (Target_arm::Scan::global): Ditto.
5437         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5438         all incorrectly implemented relocations.
5439         (Target_arm::fix_exidx_coverage): Pass layout to
5440         Arm_output_section::fix_exidx_coverage.
5441         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5442         from ".ARM.exidx." and ".ARM.extab.".
5443
5444 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5445
5446         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5447         section if it does not already exist.
5448         * attributes.cc (Attributes_section_data::Attributes_section_data):
5449         Don't crash if size is zero.
5450
5451 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5452             Ian Lance Taylor  <iant@google.com>
5453
5454         * gold.cc (queue_middle_tasks): If no input files were opened,
5455         exit.
5456         * workqueue.h (Task_function::Task_function): Assert that there is
5457         a blocker.
5458
5459 2010-02-22  Doug Kwan  <dougkwan@google.com>
5460
5461         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5462         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5463         types to avoid warnings due to different uint64_t implementations
5464         on different hosts.
5465
5466 2010-02-21  Doug Kwan  <dougkwan@google.com>
5467
5468         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5469         handling of the maximum backward branch offset.
5470         (Arm_relocate_functions::thumb_branch_common): Ditto.
5471         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5472         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5473         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5474         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5475         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5476         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5477         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5478         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5479         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5480         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5481         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5482         thumb2_bl_out_of_range.o): New rules.
5483         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5484         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5485         thumb2_bl_out_of_range
5486         * testsuite/Makefile.in: Regenerate.
5487         * testsuite/arm_bl_in_range.s: New file.
5488         * testsuite/arm_bl_out_of_range.s: Ditto.
5489         * testsuite/arm_branch_in_range.sh: Ditto.
5490         * testsuite/arm_branch_range.t: Ditto.
5491         * testsuite/thumb2_branch_range.t: Ditto.
5492         * testsuite/thumb_bl_in_range.s: Ditto.
5493         * testsuite/thumb_bl_out_of_range.s: Ditto.
5494         * testsuite/thumb_branch_range.t: Ditto.
5495
5496 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5497
5498         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5499         Add reloc offset information.
5500         * icf.cc (get_section_contents): Change iterators to point to the new
5501         vectors. Add reloc offset information to the contents.
5502         * icf.h (Icf::Sections_reachable_info): New typedef.
5503         (Icf::Sections_reachable_list): New typedef.
5504         (Icf::Offset_info): New typedef.
5505         (Icf::Reloc_info): New struct typedef.
5506         (Icf::Reloc_info_list): New typedef.
5507         (Icf::symbol_reloc_list): Delete method.
5508         (Icf::addend_reloc_list): Delete method.
5509         (Icf::section_reloc_list): Delete method.
5510         (Icf::reloc_info_list): New method.
5511         (Icf::reloc_info_list_): New member.
5512
5513 2010-02-19  Doug Kwan  <dougkwan@google.com>
5514
5515         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5516         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5517         * arm.cc (Arm_relocation_functions): New forward declaration.
5518         (Target_arm::Target_arm): Initialize new data members
5519         got_mod_index_offset_ and tls_base_symbol_defined_.
5520         (Target_arm::Relocate::relocate_tls): New method.
5521         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5522          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5523         New methods.
5524         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5525         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5526         (Target_arm::got_mod_index_offset_,
5527         Target_arm::tls_base_symbol_defined_): New data members.
5528         (Target_arm::Scan::local, Target::Scan::global,
5529         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5530         relocations.
5531
5532 2010-02-18  Doug Kwan  <dougkwan@google.com>
5533
5534         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5535         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5536         text section as a parameter becuase some broken tools may not set
5537         the link in section header.
5538         (Target_arm::has_got_section): New method.
5539         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5540         without any mapping symbol as data only.  Remove warning.
5541         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5542         link in its section header, try to discover the link by inspecting the
5543         REL31 relocation at the beginning of the section.
5544         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5545         in error message.
5546         (Target_arm::Scan::global): Treat any reference to the symbol
5547         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5548
5549 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5550
5551         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5552         (Scan::global_reloc_may_be_function_pointer): New function.
5553         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5554         (Scan::global_reloc_may_be_function_pointer): New function.
5555         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5556         (Scan::global_reloc_may_be_function_pointer): New function.
5557         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5558         (Scan::global_reloc_may_be_function_pointer): New function.
5559         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5560         (Scan::global_reloc_may_be_function_pointer): New function.
5561         (Scan::possible_function_pointer_reloc): New function.
5562         (Target_x86_64::can_check_for_function_pointers): New function.
5563         * gc.h (gc_process_relocs): Scan relocation types to determine if
5564         function pointers were taken for targets that support it.
5565         * icf.cc (Icf::find_identical_sections): Include functions for
5566         folding in safe ICF whose pointer is not taken.
5567         * icf.h (Secn_fptr_taken_set): New typedef.
5568         (fptr_section_id_): New member.
5569         (section_has_function_pointers): New function.
5570         (set_section_has_function_pointers): New function.
5571         (check_section_for_function_pointers): New function.
5572         * options.h: Fix comment for safe ICF option.
5573         * target.h (can_check_for_function_pointers): New function.
5574         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5575         Modify icf_safe_test for X86-64.
5576         * testsuite/Makefile.in: Regenerate.
5577         * testsuite/icf_safe_so_test.cc: New file.
5578         * testsuite/icf_safe_so_test.sh: New file.
5579         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5580         (main): Change to take pointer to function kept_func_3.
5581         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5582         folding is done correctly for X86-64.
5583
5584 2010-02-12  David S. Miller  <davem@davemloft.net>
5585
5586         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5587         is_symbolless parameter.
5588         (Output_reloc<SHT_REL>::is_symbolless): New.
5589         (Output_reloc<SHT_REL>::is_symbolless_): New.
5590         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5591         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5592         (Output_reloc<SHT_RELA>::is_symbolless): New.
5593         (Output_data_reloc::add_global): Handle is_symbolless.
5594         (Output_data_reloc::add_global_relative): Likewise.
5595         (Output_data_reloc::add_local): Likewise.
5596         (Output_data_reloc::add_local_relative): Likewise.
5597         (Output_data_reloc::add_symbolless_global_addend): New.
5598         (Output_data_reloc::add_symbolless_local_addend): New.
5599         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5600         is_symbolless.
5601         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5602         instead of ->is_relative_
5603         (Output_reloc::write): Likewise.
5604         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5605         (Output_reloc::write_rel): Simplify.
5606
5607         * sparc.cc (Target_sparc::Scan::local): Use
5608         ->add_symbolless_local_addend as needed.
5609         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5610         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5611         based upon relocation offset.
5612
5613 2010-02-11  Doug Kwan  <dougkwan@google.com>
5614
5615         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5616         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5617         beginning of function.
5618         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5619         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5620         parameter is_32bit in calls to should_apply_static_reloc.
5621         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5622         (check_DATA): Add arm_abs_global.stdout.
5623         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5624         arm_abs_global.stdout): New rules.
5625         (MOSTLLYCLEANFILES): Add arm_abs_global
5626         * Makefile.in: Regenerate.
5627         * testsuite/arm_abs_global.s: New file.
5628         * testsuite/arm_abs_global.sh: Ditto.
5629         * testsuite/arm_abs_lib.s: Ditto.
5630
5631 2010-02-11  Ian Lance Taylor  <iant@google.com>
5632
5633         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5634         Read_relocs task.
5635         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5636         Allocate_commons_task first.
5637         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5638         task, rather than symtab_lock_.
5639         (Gc_process_relocs::~Gc_process_relocs): New function.
5640         (Gc_process_relocs::is_runnable): Check this_blocker_.
5641         (Gc_process_relocs::locks): Use next_blocker_ rather than
5642         blocker_.
5643         (Scan_relocs::~Scan_relocs): New function.
5644         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5645         symtab_lock_.
5646         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5647         next_blocker_.
5648         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5649         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5650         constructor accordingly.
5651         (class Gc_process_relocs): Likewise.
5652         (class Scan_relocs): Likewise.
5653         * common.h (class Allocate_commons_task): Remove symtab_lock_
5654         field, and corresponding constructor parameter.
5655         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5656         symtab_lock_.
5657         (Allocate_commons_task::locks): Likewise.
5658
5659 2010-02-11  Ian Lance Taylor  <iant@google.com>
5660
5661         * gold-threads.h (class Once): Define.
5662         (class Initialize_lock): Rewrite as child of Once.
5663         * gold-threads.cc (class Once_initialize): Define.
5664         (once_pointer_control): New static variable.
5665         (once_pointer, once_arg): New static variables.
5666         (c_run_once): New static function.
5667         (Once::Once, Once::run_once, Once::internal_run): New functions.
5668         (class Initialize_lock_once): Remove.
5669         (initialize_lock_control): Remove.
5670         (initialize_lock_pointer): Remove.
5671         (initialize_lock_once): Remove.
5672         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5673         (Initialize_lock::initialize): Rewrite.
5674         (Initialize_lock::do_run_once): New function.
5675         * archive.cc (Archive::interpret_header): Only clear name if it is
5676         not already empty.
5677         * fileread.cc: Include "gold-threads.h"
5678         (file_counts_lock): New static variable.
5679         (file_counts_initialize_lock): Likewise.
5680         (File_read::release): Only increment counts when using --stats.
5681         Use a lock around the increment.
5682         * parameters.cc (class Set_parameters_target_once): Define.
5683         (set_parameters_target_once): New static variable.
5684         (Parameters::Parameters): Move here from parameters.h.
5685         (Parameters::set_target): Rewrite.
5686         (Parameters::set_target_once): New function.
5687         (Parameters::clear_target): Move here and rewrite.
5688         * parameters.h (class Parameters): Update declarations.  Add
5689         set_parameters_target_once_ field.
5690         (Parameters::Parameters): Move to parameters.cc.
5691         (Parameters::clear_target): Likewise.
5692         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5693         task.
5694         (Start_group::~Start_group): New function.
5695         (Start_group::is_runnable): New function.
5696         (Start_group::locks, Start_group::run): New functions.
5697         (Finish_group::run): Change saw_undefined to size_t.
5698         * readsyms.h (class Start_group): Define.
5699         (class Finish_group): Change saw_undefined_ field to size_t.
5700         (Finish_group::Finish_group): Remove saw_undefined and
5701         this_blocker parameters.  Change all callers.
5702         (Finish_group::set_saw_undefined): New function.
5703         (Finish_group::set_blocker): New function.
5704         * symtab.h (class Symbol_table): Change saw_undefined to return
5705         size_t.  Change saw_undefined_ field to size_t.
5706         * target-select.cc (Set_target_once::do_run_once): New function.
5707         (Target_selector::Target_selector): Initialize set_target_once_
5708         field.  Don't initialize lock_ and initialize_lock_ fields.
5709         (Target_selector::instantiate_target): Rewrite.
5710         (Target_selector::set_target): New function.
5711         * target-select.h (class Set_target_once): Define.
5712         (class Target_selector): Update declarations.  Make
5713         Set_target_once a friend.  Remove lock_ and initialize_lock_
5714         fields.  Add set_target_once_ field.
5715
5716 2010-02-10  Ian Lance Taylor  <iant@google.com>
5717
5718         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5719         queueing any tasks.
5720         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5721         (queue_middle_tasks): Add all blockers before queueing any tasks.
5722         (queue_final_tasks): Likewise.
5723         * token.h (Task_token::add_blockers): New function.
5724         * object.h (Input_objects::number_of_relobjs): New function.
5725
5726 2010-02-10  Ian Lance Taylor  <iant@google.com>
5727
5728         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5729         shared, not if not position independent.
5730         * x86_64.cc (Relocate::relocate_tls): Likewise.
5731         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5732         (tls_pie_pic_test): New target.
5733         * testsuite/Makefile.in: Rebuild.
5734
5735         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5736         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5737         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5738         * testsuite/Makefile.in: Rebuild.
5739
5740 2010-02-09  David S. Miller  <davem@davemloft.net>
5741
5742         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5743         R_SPARC_RELATIVE using ->add_local_relative().
5744         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5745
5746         * output.h (Output_data_dynamic::add_section_size): New method
5747         that takes two Output_data objects.
5748         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5749         entry param.  Handle it in initializers.
5750         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5751         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5752         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5753         arg.
5754         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5755         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5756         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5757         for dynrel_includes_plt.
5758         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5759         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5760         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5761         before .rela.plt
5762         (Target_sparc::do_finalize_sections): Update to pass true for
5763         dynrel_includes_plt.
5764         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5765         output before .rela.plt
5766         (Target_powerpc::do_finalize_sections): Update to pass true for
5767         dynrel_includes_plt when 32-bit.
5768
5769 2010-02-08  Doug Kwan  <dougkwan@google.com>
5770
5771         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5772         method.
5773         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5774         Arm_relobj::scan_section_for_cortex_a8_stubs,
5775         Arm_relobj::do_relocation_section): Instead of calling
5776         Output_section::output_address, use faster
5777         Arm_relobj::simple_input_section_output_address.
5778
5779 2010-02-08  David S. Miller  <davem@davemloft.net>
5780
5781         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5782         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5783         relocation helper function.
5784
5785         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5786         just like R_SPARC_GOT{10,13,22}.
5787         (Target_sparc::Scan::local): Likewise.
5788         (Target_sparc::Relocate:relocate): Likewise.
5789
5790 2010-02-06  Ian Lance Taylor  <iant@google.com>
5791
5792         * configure.ac: Rewrite targetobjs duplicate removal code to use
5793         only shell constructs.
5794         * configure: Rebuild.
5795
5796 2010-02-05  Doug Kwan  <dougkwan@google.com>
5797
5798         PR 11247
5799         * arm.cc (Arm_relobj::section_is_scannable): New method.
5800         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5801         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5802
5803 2010-02-04  Doug Kwan  <dougkwan@google.com>
5804
5805         PR 11247
5806         * arm-reloc-property.cc (cstdio): Include.
5807         * configure.ac (targetobjs): Remove duplicates.
5808         * configure: Regenerate.
5809         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5810         big and little endian version for a given address size.
5811
5812 2010-02-03  Doug Kwan  <dougkwan@google.com>
5813
5814         * arm-reloc-property.cc
5815         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5816         definition.
5817         * arm-reloc-property.h
5818         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5819         New method definition.
5820         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5821         declaration.
5822         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5823         overflow to N.
5824         (GOT_PREL): Change implemented to Y.
5825         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5826         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5827         (Arm_relocate_functions::movw_abs_nc): Remove method.
5828         (Arm_relocate_functions::movt_abs): Ditto.
5829         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5830         (Arm_relocate_functions::thm_movt_abs): Ditto.
5831         (Arm_relocate_functions::movw_rel_nc): Ditto.
5832         (Arm_relocate_functions::movw_rel): Ditto.
5833         (Arm_relocate_functions::movt_rel): Ditto.
5834         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5835         (Arm_relocate_functions:thm_movw_rel): Ditto.
5836         (Arm_relocate_functions:thm_movt_rel): Ditto.
5837         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5838         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5839         New method definitions.
5840         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5841         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5842         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5843         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5844         (Target_arm::Relocate::relocate): Check for non-static or
5845         unimplemented relocation code and exit early.  Change calls to
5846         Target_arm::reloc_uses_thumb_bit and
5847         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5848         instead.  Refactor code to handle similar relocations to increase
5849         code sharing.  Remove check for unsupported relocation code in switch
5850         statement.
5851         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5852         relocation property table to find out size.  Change error message to
5853         print out the name of a relocation code instead of the numeric value.
5854         (Target_arm::scan_reloc_for_stub): Use relocation property table
5855         instead of calling Target_arm::reloc_uses_thumb_bit().
5856
5857 2010-02-02  Doug Kwan  <dougkwan@google.com>
5858
5859         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5860         types of relaxed input section.
5861
5862 2010-02-02  Doug Kwan  <dougkwan@google.com>
5863
5864         * Makefile.am (HFILES): Add arm-reloc-property.h.
5865         (DEFFILES): New.
5866         (TARGETSOURCES): Add arm-reloc-property.cc
5867         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5868         (libgold_a_SOURCES): $(DEFFILES)
5869         * Makefile.in: Regenerate.
5870         * arm-reloc-property.cc: New file.
5871         * arm-reloc-property.h: New file.
5872         * arm-reloc.def: New file.
5873         * arm.cc: Update comments.
5874         (arm-reloc-property.h): New included header.
5875         (arm_reloc_property_table): New global variable.
5876         (Target_arm::do_select_as_default_target): New method definition.
5877         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5878         arm-reloc-property to targ_extra_obj.
5879         * parameters.cc (set_parameters_target): Call
5880         Target::select_as_default_target().
5881         * target.h (Target::select_as_default_target): New method definition.
5882         (Target::do_select_as_default_target): Same.
5883
5884 2010-02-01  Doug Kwan  <dougkwan@google.com>
5885
5886         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5887         first_output_text_section_.
5888         (Arm_exidx_fixup::first_output_text_section): New method definition.
5889         (Arm_exidx_fixup::first_output_text_section_): New data member.
5890         (Arm_exidx_fixup::process_exidx_section): Record the first text
5891         output section seen.
5892         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5893         and entsize in output section header.
5894
5895 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5896
5897         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5898         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5899         (Arm_relocate_functions::thm_alu11): New Method.
5900         (Arm_relocate_functions::thm_pc8): New Method.
5901         (Arm_relocate_functions::thm_pc12): New Method.
5902         (Target_arm::Scan::local): Handle the relocations.
5903         (Target_arm::Scan::global): Likewise.
5904         (Target_arm::Relocate::relocate): Likewise.
5905         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5906
5907 2010-01-29  Doug Kwan  <dougkwan@google.com>
5908
5909         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5910         of relocation types as ld.
5911
5912 2010-01-29  Doug Kwan  <dougkwan@google.com>
5913
5914         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5915         to public.
5916         (Arm_relocate_functions::thumb_branch_common): Ditto.
5917         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5918         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5919         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5920         Arm_relocate_functions::jump24): Remove.
5921         (Target_arm::Relocate::relocate): Adjust code to call
5922         Arm_relocation_functions::arm_branch_common and
5923         Arm_relocation_functions::thumb_branch_common instead of their removed
5924         wrappers.  Merge switch-cases together to reduce source code size.
5925
5926 2010-01-29  Doug Kwan  <dougkwan@google.com>
5927
5928         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5929         output_local_symbol_count_needs_update_.
5930         (Arm_relobj::output_local_symbol_count_needs_update,
5931          Arm_relobj::set_output_local_symbol_count_needs_update,
5932          Arm_relobj::update_output_local_symbol_count): New methods.
5933         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5934         member.
5935         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5936         of pointed function as in a R_ARM_PREL31 relocation.
5937         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5938         for output local symbol count updating.
5939         (Target_arm::do_relax): Update output local symbol counts in objects
5940         if necessary.
5941         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5942
5943 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5944
5945         * arm.cc: Added support for the ARM relocations:
5946         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5947         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5948         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5949         movw_prel_nc).
5950         (Arm_relocate_functions::movw_rel): New method.
5951         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5952         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5953         thm_movw_prel_nc).
5954         (Arm_relocate_functions::thm_movw_rel): New method.
5955         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5956         thm_movt_prel).
5957         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5958         relocations.
5959         (Target_arm::Scan::global): Likewise.
5960         (Target_arm::Relocate::relocate): Likewise.
5961         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5962         Likewise.
5963
5964 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5965
5966         * arm.cc: Added support for ARM group relocations.
5967         (Target_arm::reloc_needs_sym_origin): New method.
5968         (Arm_relocate_functions::calc_grp_kn): New method.
5969         (Arm_relocate_functions::calc_grp_residual): New method.
5970         (Arm_relocate_functions::calc_grp_gn): New method.
5971         (Arm_relocate_functions::arm_grp_alu): New Method.
5972         (Arm_relocate_functions::arm_grp_ldr): New Method.
5973         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5974         (Arm_relocate_functions::arm_grp_ldc): New Method.
5975         (Target_arm::Scan::local): Handle the ARM group relocations.
5976         (Target_arm::Scan::global): Likewise.
5977         (Target_arm::Relocate::relocate): Likewise.
5978         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5979         Likewise.
5980
5981 2010-01-26  Doug Kwan  <dougkwan@google.com>
5982
5983         * arm.cc (set): Include.
5984         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5985         pointer type.
5986         (Arm_output_section::Text_section_list): New type.
5987         (Arm_output_section::append_text_sections_to_list): New method.
5988         (Arm_output_section::fix_exidx_coverage): Ditto.
5989         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5990         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5991         Relobj::set_section_offset() instead of
5992         Sized_relobj::invalidate_section_offset().
5993         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5994         parameter for section headers. Ignore relocation sections for
5995         unallocated sections and EXIDX sections.
5996         (Target_arm::fix_exidx_coverage): New method.
5997         (Target_arm::output_section_address_less_than): New type.
5998         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5999         linked text section instead of the EXIDX section.
6000         (Arm_output_section::create_stub_group): Add an assertion to check
6001         that this is not an EXIDX output section.
6002         (Arm_output_section::append_text_sections_to_list): New method.
6003         (Arm_output_section::fix_exidx_coverage): Ditto.
6004         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6005         Arm_relobj::section_needs_reloc_stub_scanning.
6006         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6007         first pass.
6008         (Target_arm::fix_exidx_coverage): New method.
6009         * object.h (Relobj::set_output_section): New method.
6010         (Sized_relobj::invalidate_section_offset): Remove method.
6011         (Sized_relobj::do_invalidate_section_offset): Remove method.
6012         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6013
6014 2010-01-25  Doug Kwan  <dougkwan@google.com>
6015
6016         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6017         Fix warning due to signed and unsigned comparison on a 32-bit host.
6018
6019 2010-01-22  Doug Kwan  <dougkwan@google.com>
6020
6021         * arm.cc (Target_arm::do_relax): Record an output section for section
6022         offset adjustment it contains any stub table that has changed.
6023         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6024         offsets in an output section if necessary.
6025         * output.cc (Output_section::Output_section): Initialize
6026         section_offsets_need_adjustments_.
6027         (Output_section::add_input_section_for_script): Renamed to
6028         Output_section::add_simple_input_section.
6029         (Output_section::save_states): Add a comment.
6030         (Output_section::discard_states): New method defintion.
6031         (Output_section::adjust_section_offsets): Same.
6032         * output.h (Output_section::add_input_section_for_script): Renamed to
6033         Output_section::add_simple_input_section.
6034         (Output_section::discard_states): New method declaration.
6035         (Output_section::adjust_section_offsets): Same.
6036         (Output_section::section_offsets_need_adjustment,
6037         Output_section::set_section_offsets_need_adjustment): New method
6038         definitions.
6039         (Output_section::section_offsets_need_adjustment_): New data member.
6040         * script-sections.cc
6041         (Output_section_element_input::set_section_address): Adjust code for
6042         renaming of Output_section::add_input_section_for_script.
6043         (Orphan_output_section::set_section_address): Same.
6044
6045 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6046
6047         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6048         Fix_v4bx enum values .
6049         * gold/options.h (General_options): New option definitions.
6050         (General_options::fix_v4bx): New method.
6051         (General_options::Fix_v4bx): New enum.
6052         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6053         (General_options::parse_fix_v4bx_interworking): New method.
6054
6055 2010-01-22  Doug Kwan  <dougkwan@google.com>
6056
6057         * arm.cc (Arm_exidx_fixup): New class.
6058
6059 2010-01-21  Doug Kwan  <dougkwan@google.com>
6060
6061         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6062         classes.
6063         (Arm_exidx_section_offset_map): New type.
6064
6065 2010-01-21  Doug Kwan  <dougkwan@google.com>
6066
6067         * arm.cc (Arm_exidx_input_section): New class.
6068         (Arm_relobj::exidx_input_section_by_link,
6069         Arm_relobj::exidx_input_section_by_shndx,
6070         Arm_relobj::make_exidx_input_section): New methods.
6071         (read_arm_attributes_section): Remove.
6072         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6073         information about them.
6074         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6075         to here.
6076
6077 2010-01-20  Doug Kwan  <dougkwan@google.com>
6078
6079         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6080         Input_section_specifier to Section_id.
6081         (Target_arm::new_arm_input_section: Adjust code for change of key
6082         type.
6083         (Target_arm::find_arm_input_section): Ditto.
6084         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6085         (Section_id): Remove.
6086         (Garbage_collection::Section_id_hash): Remove.
6087         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6088         (Section_id): Remove.
6089         (Icf::Section_id_hash): Remove.
6090         * object.h (Section_id, Const_section_id, Section_id_hash,
6091         Const_section_id_hash): New type definitions.
6092         * output.cc (Output_section::add_relaxed_input_section): Change to
6093         use Const_section_id instead of Input_section_specifier as key type.
6094         (Output_section::add_merge_input_section): Ditto.
6095         (Output_section::build_relaxation_map): Change to use Section_id
6096         instead of Input_section_specifier as key type.
6097         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6098         Ditto.
6099         (Output_section::convert_input_sections_to_relaxed_sections): Change
6100         to use Const_section_id instead of Input_section_specifier as key type.
6101         (Output_section::find_merge_section): Ditto.
6102         (Output_section::find_relaxed_input_section): Ditto.
6103         * output.h (Input_section_specifier): Remove class.
6104         (Output_section::Output_section_data_by_input_section_map): Change
6105         key type to Const_section_id.
6106         (Output_section::Output_relaxed_input_section_by_input_section_map):
6107         Ditto.
6108         (Output_section::Relaxation_map): Change key type to Section_id.
6109
6110 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6111
6112         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6113         (class Arm_v4bx_stub): New class.
6114         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6115         (Stub_factory::make_arm_v4bx_stub): New method.
6116         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6117         (Stub_table::empty): Handle v4bx stubs.
6118         (Stub_table::add_arm_v4bx_stub): New method.
6119         (Stub_table::find_arm_v4bx_stub): New method.
6120         (Arm_relocate_functions::v4bx): New method.
6121         (Target_arm::fix_v4bx): New method.
6122         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6123         (Stub_table::relocate_stubs): Likewise.
6124         (Stub_table::do_write): Likewise.
6125         (Stub_table::update_data_size_and_addralign): Likewise.
6126         (Stub_table::finalize_stubs):  Likewise.
6127         (Target_arm::Scan::local): Likewise.
6128         (Target_arm::Scan::global): Likewise.
6129         (Target_arm::do_finalize_sections): Likewise.
6130         (Target_arm::Relocate::relocate): Likewise.
6131         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6132         Likewise.
6133         (Target_arm::scan_reloc_for_stub): Likewise.
6134         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6135
6136 2010-01-19  Ian Lance Taylor  <iant@google.com>
6137
6138         * output.cc (Output_section_headers::do_sized_write): Write large
6139         segment count to sh_info field.
6140         (Output_file_header::do_sized_write): For large segment count,
6141         write PN_XNUM to e_phnum field.
6142
6143 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6144
6145         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6146         (Arm_relocate_functions::thm_jump8): New function.
6147         (Arm_relocate_functions::thm_jump11): New function.
6148         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6149         R_ARM_THM_JUMP11.
6150         (Target_arm::Scan::global): Likewise.
6151         (Target_arm::Relocate::relocate): Likewise.
6152         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6153         Likewise.
6154
6155 2010-01-14  Doug Kwan  <dougkwan@google.com>
6156
6157         * arm.cc (map, utility): Include headers.
6158         (Target_arm::apply_cortex_a8_workaround): New method.
6159         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6160         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6161         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6162         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6163         the --[no-]fix-cortex-a8 command line options.
6164         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6165         (Target_arm::relocate_stub): Use addend in instruction template.
6166         * options.h (DEFINE_bool): Set the user-set flag.
6167         (General_options): Add --[no-]-fix-cortex options.
6168         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6169         : Update fast look-up map after conversion.
6170
6171 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6172
6173         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6174         in the first pass of do_layout.
6175
6176 2010-01-13  Doug Kwan  <dougkwan@google.com>
6177
6178         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6179         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6180         apparent compiler problem of not folding static constant integral
6181         data members of elfcpp::Elf_sizes<32>.
6182
6183 2010-01-13  Doug Kwan  <dougkwan@google.com>
6184
6185         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6186         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6187         Arm_relobj::scan_section_for_cortex_a8_erratum,
6188         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6189         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6190         sections to scan for relocation stubs into a new method
6191         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6192         relocation and Cortex-A8 stub scanning.
6193         (Target_arm::do_relax): Force stubs to be after stubbed sections
6194         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6195         the beginning of a new relaxation pass.  Update a comment.
6196         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6197
6198 2010-01-12  Ian Lance Taylor  <iant@google.com>
6199
6200         * target-reloc.h (visibility_error): New inline function.
6201         (relocate_section): Call visibility_error.
6202         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6203         (MOSTLYCLEANFILES): Likewise.
6204         (protected_4_pic.o, protected_3.err): New targets.
6205         * testsuite/protected_4.cc: New file.
6206
6207 2010-01-12  Doug Kwan  <dougkwan@google.com>
6208
6209         * arm.cc (Cortex_a8_reloc): New class.
6210         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6211         and cortex_a8_relocs_info_.
6212         (Target_arm::fix_cortex_a8): New method definition.
6213         (Target_arm::Cortex_a8_relocs_info): New type.
6214         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6215         New data member declarations.
6216         (Target_arm::scan_reloc_for_stub): Record information about
6217         relocations for THUMB branches that might be exempted from the
6218         Cortex-A8 workaround.
6219         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6220         at the beginning of a relaxation pass.
6221
6222 2010-01-12  Doug Kwan  <dougkwan@google.com>
6223
6224         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6225         (Arm_relobj::Mapping_symbol_position,
6226          Arm_reloj::Mapping_symbol_position_less,
6227          Arm_relobj::Mapping_symbols_info): New types.
6228         (Target_arm::is_mapping_symbol_name): New method definition.
6229         (Arm_relobj::do_count_local_symbols): Save information about mapping
6230         symbols.
6231
6232 2010-01-11  Doug Kwan  <dougkwan@google.com>
6233
6234         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6235         Arm_relocate_functions::thumb32_branch_upper,
6236         Arm_relocate_functions::thumb32_branch_lower,
6237         Arm_relocate_functions::thumb32_cond_branch_offset,
6238         Arm_relocate_functions::thumb32_cond_branch_upper,
6239         Arm_relocate_functions::thumb32_cond_branch_lower,
6240         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6241         branch offset encoding.
6242         (Arm_relocate_functions::thumb_branch_common): Use new branch
6243         offset encoding methods to avoid code duplication.
6244         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6245         (Stub_addend_reader::operator()): Use new branch encoding method
6246         to avoid code duplication.
6247
6248 2010-01-11  Doug Kwan  <dougkwan@google.com>
6249
6250         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6251         (Target_arm::do_finalize_sections): Define special EXIDX section
6252         symbols only if referenced.
6253         * gc.h (Garbage_collection::add_reference): New method.
6254         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6255         code duplication.
6256
6257 2010-01-11  Ian Lance Taylor  <iant@google.com>
6258
6259         * script.cc (Version_script_info::build_expression_list_lookup):
6260         Change complaing about duplicate wildcard match from error to
6261         warning.
6262
6263         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6264         of 2009-12-30.
6265         (Version_script_info::Version_script_info): Initialize globs_,
6266         default_version_, default_is_global_, and exact_.  Don't
6267         initialize globals_ or locals_.
6268         (Version_script_info::build_lookup_tables): Build local symbols
6269         first.
6270         (Version_script_info::unquote): New function.
6271         (Version_script_info::add_exact_match): New function.
6272         (Version_script_info::build_expression_list_lookup): Remove lookup
6273         parameter.  Add is_global parameter.  Change all callers.  Handle
6274         wildcard pattern specially.  Unquote pattern.  Call
6275         add_exact_match.
6276         (Version_script_info::get_name_to_match): New function.
6277         (Version_script_info::get_symbol_version): New function.
6278         (Version_script_info::get_symbol_version_helper): Remove.
6279         (Version_script_info::check_unmatched_names): Call unquote.
6280         * script.h (class Version_script_info): Change get_symbol_version
6281         to be non-inline and add is_global parameter; change all callers.
6282         Rewrite symbol_is_local.  Update declarations.  Define struct
6283         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6284         Remove globals_ and locals_ members.  Add exact_, globs_,
6285         default_version_, is_global_.
6286         (Version_script_info::Glob): Remove pattern, add expression and
6287         is_global.  Update constructor.  Change all callers.
6288         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6289         default version.
6290         (Versions::symbol_section_contents): If a symbol is undefined, or
6291         defined in a dynamic object, set the version index to
6292         VER_NDX_LOCAL.
6293         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6294         symbol_is_local.
6295         (Symbol_table::add_from_pluginobj): Likewise.
6296         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6297
6298 2010-01-11  Doug Kwan  <dougkwan@google.com>
6299
6300         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6301         (incremental_dump_LDADD): Add linking option for libintl.
6302         * Makefile.in: Regenerate.
6303
6304 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6305
6306         PR gold/11144
6307         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6308         instead of -Ds.
6309         * testsuite/Makefile.in: Regenerated.
6310
6311 2010-01-10  Doug Kwan  <dougkwan@google.com>
6312
6313         * options.h (DEFINE_var): Use parentheses around argument varname__
6314         in macro body to avoid any unintended subsequent substitutions.
6315
6316 2010-01-10  Ian Lance Taylor  <iant@google.com>
6317
6318         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6319         candidates before doing symbol resolution.
6320
6321         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6322         ODR candidates if only one is weak.
6323
6324 2010-01-08  Ian Lance Taylor  <iant@google.com>
6325
6326         * script.cc (Version_script_info::build_expression_list_lookup):
6327         Don't warn about ambiguous version, just record the ambiguity.
6328         (Version_script_info::get_symbol_version_helper): Give error if
6329         version is ambiguous.
6330
6331 2010-01-08  Doug Kwan  <dougkwan@google.com>
6332
6333         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6334           prev_data_size_ and prev_addralign_.  Remove initializer for
6335           deleted data member has_been_changed_.
6336           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6337           to determine if the table is empty.
6338           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6339           Remove.
6340           (Stub_table::add_reloc_stub): Define method in class definition
6341           instead of just declaring it there.
6342           (Stub_table::add_cortex_a8_stub): New method definition.
6343           (Stub_table::update_data_size_and_addralign): Ditto.
6344           (Stub_table::finalize_stubs): Ditto.
6345           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6346           (Stub_table::do_addralign_): Return address alignment in the
6347           (Stub_table::do_reset_address_and_file_offset): Define method in
6348           class definition instead of declaring it there.  Set current data
6349           size to be the data size of the previous pass.
6350           (Stub_table::set_final_data_size): Use current data size as the
6351           final data size.
6352           (Stub_table::relocate_stub): Change parameter type of stub from
6353           Reloc_stub pointer to Stub pointer.
6354           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6355           (Stub_table::Cortex_a8_stub_list): New typedef.
6356           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6357            Stub_table::prev_addralign_): New data member.
6358           (Arm_relobj::Arm_relobj): Initialize data member
6359           section_has_cortex_a8_workaround_.
6360           (Arm_relobj::section_has_cortex_a8_workaround,
6361            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6362            definitions.
6363           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6364           declarations.
6365           (Target_arm::relocate_stub): Change parameter type of stub from
6366           Reloc_stub pointer to Stub pointer.
6367           (Insn_template::size, Insn_template::alignment): Handle
6368           THUMB16_SPECIAL_TYPE.
6369           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6370            Stub_table::update_data_size_and_addralign,
6371            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6372           definitions.
6373           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6374           (Stub_table::do_write): Ditto.
6375           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6376
6377 2010-01-08  Ian Lance Taylor  <iant@google.com>
6378
6379         PR 11108
6380         * symtab.h (class Symbol): Remove fields is_target_special_ and
6381         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6382         (Symbol::is_defined_in_discarded_section): New function.
6383         (Symbol::set_is_defined_in_discarded_section): New function.
6384         (Symbol::has_plt_offset): Rewrite.
6385         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6386         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6387         Don't initialize is_target_special_ or has_plt_offset_.
6388         Initialize is_defined_in_discarded_section_.
6389         (Symbol_table::add_from_relobj): If appropriate, set
6390         is_defined_in_discarded_section.
6391         * resolve.cc (Symbol::override_base_with_special): Don't test
6392         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6393         * target-reloc.h (relocate_section): Do special handling for
6394         symbols defined in discarded sections for global symbols as well
6395         as local symbols.
6396
6397 2010-01-08  Ian Lance Taylor  <iant@google.com>
6398
6399         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6400         the SHT_SYMTAB case.
6401
6402 2010-01-08  Ian Lance Taylor  <iant@google.com>
6403
6404         * object.cc (Sized_relobj::do_layout): Don't get confused if
6405         layout_eh_frame returns NULL.
6406
6407 2010-01-08  Ian Lance Taylor  <iant@google.com>
6408
6409         PR 11084
6410         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6411         dynamic symbol table, use the normal symbol table.
6412         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6413         symbol table.
6414
6415 2010-01-08  Ian Lance Taylor  <iant@google.com>
6416
6417         PR 11072
6418         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6419         sections.
6420
6421 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6422
6423         * version.cc (print_version): Change to "Copyright 2010".
6424
6425 2010-01-08  Ian Lance Taylor  <iant@google.com>
6426
6427         PR 10287
6428         PR 11063
6429         * i386.cc (class Target_i386): Change return type of plt_section
6430         to be non-const.
6431         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6432         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6433         tls_desc_rel_ field.
6434         (Output_data_plt_i386::rel_tls_desc): New function.
6435         (Target_i386::rel_tls_desc_section): New function.
6436         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6437         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6438         R_386_TLS_DESC reloc in rel_tls_desc_section.
6439         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6440         Define struct Tlsdesc_info.
6441         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6442         (Target_x86_64::do_reloc_symbol_index): New function.
6443         (Target_x86_64::add_tlsdesc_info): New function.
6444         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6445         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6446         tlsdesc_rel_ field.
6447         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6448         all callers.
6449         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6450         (Target_x86_64::rela_tlsdesc_section): New function.
6451         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6452         handling.
6453         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6454         (Target_x86_64::do_reloc_addend): New function.
6455         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6456         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6457         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6458         (Output_reloc::type): New function.
6459         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6460         (Output_reloc::is_target_specific): New function.
6461         (Output_reloc::target_arg): New function.
6462         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6463         absolute relocs and target specific relocs.
6464         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6465         add_target_specific.
6466         (class Output_data_reloc) [SHT_RELA]: Likewise.
6467         * output.cc (Output_reloc::Output_reloc): Add four new versions
6468         for absolute relocs and target specific relocs.
6469         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6470         (Output_reloc::get_symbol_index): Likewise.
6471         (Output_reloc::local_section_offset): Check that local_sym_index_
6472         is not TARGET_CODE or 0.
6473         (Output_reloc::symbol_value): Likewise.
6474         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6475         reloc.
6476         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6477         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6478         functions.
6479         * layout.cc (add_target_dynamic_tags): Use output section for
6480         DT_PLTRELSZ and DT_JMPREL.
6481
6482 2010-01-07  Ian Lance Taylor  <iant@google.com>
6483
6484         PR 11061
6485         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6486         function.
6487         (class Output_data_reloc_generic): Define.
6488         (class Output_data_reloc_base): Change base class to
6489         Output_data_reloc_generic.  Change add() method to call
6490         bump_relative_reloc_count for a relative reloc.  Remove
6491         sort_relocs_ field.
6492         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6493         to sort_relocs().
6494         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6495         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6496         appropriate.
6497         * layout.h (class Layout): Update declaration.
6498
6499 2010-01-07  Ian Lance Taylor  <iant@google.com>
6500
6501         * output.h (class Output_data): Add const version of
6502         output_section and do_output_section.
6503         (class Output_section_data): Add const version of
6504         do_output_section.
6505         (class Output_section): Likewise.
6506         * layout.cc (Layout::add_target_dynamic_tags): New function.
6507         * layout.h (class Layout): Update declarations.
6508         * arm.cc (Target_arm::do_finalize_sections): Use
6509         add_target_dynamic_tags.
6510         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6511         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6512         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6513         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6514
6515 2010-01-07  Ian Lance Taylor  <iant@google.com>
6516
6517         PR 11042
6518         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6519         object as needed.
6520
6521 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6522             Ian Lance Taylor  <iant@google.com>
6523
6524         PR 11019
6525         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6526         Xindex::read_symtab_xindex.
6527
6528 2010-01-07  Doug Kwan  <dougkwan@google.com>
6529
6530         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6531         (Insn_template::thumb16_bcond_insn): New method declaration.
6532         (Insn_template): Fix spelling.
6533         (Stub::thumb16_special): New method declaration.
6534         (Stub::do_write): Define virtual method which was previously pure
6535         virtual.
6536         (Stub::do_thumb16_special): New method declaration.
6537         (Stub::do_fixed_endian_write): New template member.
6538         (Reloc_stub::do_write): Remove.
6539         (Reloc_stub::do_fixed_endian_write): Remove.
6540         (Cortex_a8_stub): New class definition.
6541         (Stub_factory::make_cortex_a8_stub): New method definition.
6542         (Stub_factory::Stub_factory): Add missing static storage class
6543         qualifier for elf32_arm_stub_a8_veneer_blx.
6544
6545 2010-01-07  Ian Lance Taylor  <iant@google.com>
6546
6547         PR 10980
6548         * options.h (class General_options): Add --warn-unresolved-symbols
6549         and --error-unresolved-symbols.
6550         * errors.cc (Errors::undefined_symbol): Implement
6551         --warn-unresolved-symbols.
6552
6553         * options.h (class General_options): Add -z text and -z textoff.
6554         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6555
6556 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6557
6558         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6559         (Garbage_collection::cident_sections): New function.
6560         (Garbage_collection::add_cident_section): New function.
6561         (Garbage_collection::cident_sections_): New member.
6562         (gc_process_relocs): Add references to sections whose names are C
6563         identifiers.
6564         * gold.h (cident_section_start_prefix): New constant.
6565         (cident_section_stop_prefix): New constant.
6566         (is_cident): New function.
6567         * layout.cc (Layout::define_section_symbols): Replace string constants
6568         with the newly defined constants.
6569         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6570         C identifiers.
6571         * testsuite/Makefile.am: Add gc_orphan_section_test.
6572         * testsuite/Makefile.in: Regenerate.
6573         * testsuite/gc_orphan_section_test.cc: New file.
6574         * testsuite/gc_orphan_section_test.sh: New file.
6575
6576 2010-01-06  Ian Lance Taylor  <iant@google.com>
6577
6578         PR 10980
6579         * options.h (class General_options): Add --warn-shared-textrel.
6580         * layout.cc (Layout::finish_dynamic_section): Implement
6581         --warn-shared-textrel.
6582
6583         PR 10980
6584         * options.h (class General_options): Add --warn-multiple-gp.
6585
6586 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6587
6588         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6589         $(THREADSLIB) and $(LIBDL).
6590         * Makefile.in: Rebuild.
6591
6592 2010-01-06  Ian Lance Taylor  <iant@google.com>
6593
6594         PR 10980
6595         * options.cc (General_options::parse_section_start): New function.
6596         (General_options::section_start): New function.
6597         (General_options::General_options): Initialize all members.
6598         * options.h: Include <map>
6599         (class General_options): Add --section-start.  Add section_starts_
6600         member.
6601         * layout.cc (Layout::attach_allocated_section_to_segment): If
6602         --section-start was used, set the address of the segment.  Remove
6603         local sort_sections.
6604         (Layout::relaxation_loop_body): If the address of the load segment
6605         has been set by --section-start, don't use it.
6606         * output.h (Output_segment::update_flags_for_output_section): New
6607         function.
6608         * output.cc (Output_segment::add_output_section): Call
6609         update_flags_for_output_section.
6610
6611 2010-01-05  Ian Lance Taylor  <iant@google.com>
6612
6613         PR 10980
6614         * options.h (class General_options): Add --undefined-version.
6615         * script.cc (struct Version_expression): Add was_matched_by_symbol
6616         field.
6617         (Version_script_info::matched_symbol): New function.
6618         (Version_script_info::get_symbol_version_helper): Call
6619         matched_symbol.
6620         (Version_script_info::check_unmatched_names): New function.
6621         * script.h (class Version_script_info): Update declarations.
6622         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6623
6624         * options.h (class General_options): Use DEFINE_bool_alias for
6625         allow_multiple_definition.
6626         * resolve.cc (Symbol_table::should_override): Don't test
6627         allow_multiple_definition.
6628
6629         PR 10980
6630         * options.h (class General_options): Add --cref.
6631         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6632         until after printing cref table.
6633         * cref.cc: Include "symtab.h".
6634         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6635         (Cref_table_compare::operator()): New function.
6636         (Cref_inputs::gather_cref): New function.
6637         (filecol): New static const.
6638         (Cref_inputs::print_cref): New function.
6639         (Cref::print_cref): New function.
6640         * cref.h: Include <cstdio>.
6641         (class Cref): Update declarations.
6642         * mapfile.h (Mapfile::file): New function.
6643         * object.h (class Object): Define Symbols.  Declare virtual
6644         do_get_global_symbols.
6645         (Object::get_global_symbols): New function.
6646         * object.cc (Input_objects::add_object): Pass object to cref_ if
6647         --cref.
6648         (Input_objects::archive_start): Likewise.
6649         (Input_objects::archive_stop): Likewise.
6650         (Input_objects::print_cref): New function.
6651         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6652         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6653         --cref.
6654         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6655         function.
6656         * plugin.h (class Sized_pluginobj): Update declarations.
6657
6658 2010-01-05  Ian Lance Taylor  <iant@google.com>
6659
6660         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6661         to is_default_version.  Rename insdef to insdefault.
6662         (Symbol_table::add_from_relobj): Rename def to is_default_version
6663         and local to is_forced_local.
6664         (Symbol_table::add_from_pluginobj): Likewise.
6665         (Symbol_table::add_from_dynobj): Likewise.
6666         (Symbol_table::define_special_symbol): Rename insdef to
6667         insdefault.
6668
6669 2010-01-04  Ian Lance Taylor  <iant@google.com>
6670
6671         PR 10980
6672         * options.h (class General_options): Add
6673         --allow-multiple-definition and -z muldefs.
6674         * resolve.cc (Symbol_table::should_override): Don't warn about a
6675         multiple symbol definition if --allow-multiple-definition or -z
6676         muldefs.
6677
6678         PR 10980
6679         * options.h (class General_options): Add --add-needed and
6680         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6681         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6682         error if --copy-dt-needed-entries aka --add-needed is used and
6683         would cause a change in behaviour.
6684
6685         PR 10980
6686         * options.h (class General_options): Add -G as a short version of
6687         --shared.  Add no-op options -assert, -g, and -i.
6688
6689 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6690
6691         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6692         check for .text or .gnu.linkonce.t sections.
6693         * icf.cc (Icf::find_identical_sections): Ditto.
6694         Change the detection for mangled function name within the section
6695         name.
6696         * icf.h (is_section_foldable_candidate): New function.
6697
6698 2009-12-30  Ian Lance Taylor  <iant@google.com>
6699
6700         PR 10980
6701         * options.h (class General_options): Permit two dashes with
6702         --retain-symbols-file.
6703
6704 2009-12-30  Ian Lance Taylor  <iant@google.com>
6705
6706         PR 10979
6707         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6708         don't put the file header and segment headers in the text
6709         segment.
6710
6711         PR 10979
6712         * common.cc (Sort_commons::operator()): Stabilize sort when both
6713         entries are NULL.
6714         (Symbol_table::do_allocate_commons_list): When allocating common
6715         symbols, skip a symbol which is no longer common.
6716         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6717         an object before checking its type.
6718         * testsuite/common_test_2.c: New file.
6719         * testsuite/common_test_3.c: New file.
6720         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6721         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6722         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6723         (common_test_2_pic.o, common_test_2.so): New targets.
6724         (common_test_3_pic.o, common_test_3.so): New targets.
6725         * testsuite/Makefile.in: Rebuild.
6726
6727         PR 10979
6728         * script.cc (read_input_script): If we see a new SECTIONS clause,
6729         and we have added an input section, give an error.
6730         * layout.h (class Layout): Add have_added_input_section function.
6731         Add have_added_input_section_ field.
6732         * layout.cc (Layout::Layout): Initialize
6733         have_added_input_section_.
6734         (Layout::layout): Set have_added_input_section_.
6735         (Layout::layout_eh_frame): Likewise.
6736
6737 2009-12-30  Ian Lance Taylor  <iant@google.com>
6738
6739         PR 10931
6740         * options.h (class General_options): Add --sort-common option.
6741         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6742         * common.cc (Sort_common): Add sort_order parameter to
6743         constructor.  Add sort_order_ field.
6744         (Sort_commons::operator): Check sort_order_.
6745         (Symbol_table::allocate_commons): Determine the sort order.
6746         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6747         Change all callers.
6748         (Symbol_table::do_allocate_commons_list): Likewise.
6749
6750 2009-12-30  Ian Lance Taylor  <iant@google.com>
6751
6752         PR 10916
6753         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6754         symbols from this object, don't change the visibility of an
6755         undefined symbol.
6756         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6757
6758 2009-12-30  Ian Lance Taylor  <iant@google.com>
6759
6760         PR 10861
6761         * script.h (class Version_script_info): Define Language enum.
6762         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6763         new fields globals_, locals_, and is_finalized_.
6764         * script.cc: Various formatting fixes.
6765         (class Parser_closure): Change language_stack_ from a vector of
6766         std::string to one of Version_script_info::Language.  Adjust all
6767         uses accordingly.
6768         (class Lazy_demangler): Remove.
6769         (struct Version_expression): Change language from std::string to
6770         Version_script_info::Language.
6771         (Version_script_info::Version_script_info): New function.
6772         (Version_script_info::~Version_script_info): Don't call clear.
6773         (Version_script_info::finalize): New function.
6774         (Version_script_info::build_lookup_tables): New function.
6775         (Version_script_info::build_expression_list_lookup): New
6776         function.
6777         (Version_script_info::get_symbol_version_helper): Rewrite to use
6778         lookup tables.
6779         (Version_script_info::print_expression_list): Adjust to use
6780         Version_script_info::Language.
6781         (script_push_lex_into_version_mode): Check that the version script
6782         has not been finalized.
6783         (version_script_push_lang): Change language string to
6784         Version_script_info::Language.
6785         * options.cc (Command_line::version_script): New function.
6786         * options.h (class General_options): Add finalize_dynamic_list
6787         function.  Change version_script from declaration to definition.
6788         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6789         * testsuite/version_script.map: Remove duplicate def of foo.
6790         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6791         version_script.map.
6792         * testsuite/Makefile.in: Rebuild.
6793
6794 2009-12-30  Ian Lance Taylor  <iant@google.com>
6795
6796         PR 10843
6797         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6798         if the input symbol index is 0, make the output symbol index 0.
6799
6800 2009-12-30  Ian Lance Taylor  <iant@google.com>
6801
6802         PR 10670
6803         * options.h (class General_options): Add -x/--discard-all.
6804         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6805         --discard-all.  If the local symbol needs a dynamic entry, check
6806         that before handling --discard-locals.
6807
6808 2009-12-30  Ian Lance Taylor  <iant@google.com>
6809
6810         PR 10450
6811         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6812         flags to PF_R.
6813         (Output_segment::add_output_section): Don't change the flags if
6814         the type is PT_TLS.
6815
6816         PR 10450
6817         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6818         GNU hash table if they need a dynamic value.  Otherwise, don't add
6819         them if they are defined in a dynamic object or are forced local.
6820
6821 2009-12-29  Ian Lance Taylor  <iant@google.com>
6822
6823         PR 10450
6824         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6825         .gnu.hash table for a 32-bit target.
6826
6827         PR 10450
6828         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6829         regular and a dynamic object only needs a dynamic symbol table
6830         entry if it is externally visible.
6831
6832         PR 10450
6833         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6834         constructor.  Add global_offset_table_ field.
6835         (Target_i386::got_section): Set global_offset_table_.
6836         (Target_i386::do_finalize_sections): Set global_offset_table_
6837         size.
6838         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6839         in constructor.  Add global_offset_table_ field.
6840         (Target_x86_64::got_section): Set global_offset_table_.
6841         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6842         size.
6843
6844         * layout.cc (Layout::Layout): Initialize increase_relro_.
6845         (Layout::get_output_section): Add is_relro, is_last_relro, and
6846         is_first_non_relro parameters.  Change all callers.
6847         (Layout::choose_output_section): Likewise.
6848         (Layout::add_output_section_data): Likewise.
6849         (Layout::make_output_section): Likewise.
6850         (Layout::set_segment_offsets): Clear increase_relro when using a
6851         linker script.
6852         * layout.h (class Layout): Add increase_relro method.  Add
6853         increase_relro_ field.  Update declarations.
6854         * output.cc (Output_section::Output_section): Initialize
6855         is_last_relro_ and is_first_non_relro_.
6856         (Output_segment::add_output_section): Group relro sections is
6857         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6858         (Output_segment::maximum_alignment): Remove relro handling.
6859         (Output_segment::set_section_addresses): Add increase_relro
6860         parameter.  Change all callers.  Add initial alignment to align
6861         relro sections on separate page.  Remove old relro handling.
6862         (Output_segment::set_section_list_addresses): Remove in_relro
6863         parameter.  Change all callers.
6864         (Output_segment::set_offset): Add increase parameter.  Change all
6865         callers.  Remove old relro handling.
6866         * output.h (class Output_section): Add new methods: is_last_relro,
6867         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6868         Add is_last_relro_ and is_first_non_relro_ fields.
6869         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6870         Create separate .got.plt section.  Call increase_relro.
6871         * x86_64.cc (Target_x86_64::got_section): Likewise.
6872         * testsuite/relro_script_test.t: Add .got.plt.
6873
6874         PR 10450
6875         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6876         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6877         (Layout::finalize): Call set_dynamic_symbol_size.
6878         (Layout::set_dynamic_symbol_size): New function.
6879         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6880         set_dynamic_symbol_size.
6881
6882         PR 10450
6883         * output.h (class Output_section): Add is_entsize_zero_ field.
6884         * output.cc (Output_section::Output_section): Initialize
6885         is_entsize_zero_.
6886         (Output_section::set_entsize): If two different entsizes are
6887         requested, force it to zero.
6888         (Output_section::add_input_section): Set flags for .debug_str
6889         before updating section flags.  Set entsize.
6890         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6891         and SHF_STRING if all input sections have those flags.
6892
6893 2009-12-29   Rafael Espindola  <espindola@google.com>
6894
6895         * main.cc (main): Fix the sys time reporting.
6896         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6897         reporting.
6898
6899 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6900
6901         * options.cc (General_options::parse_version): Allow -v to exit
6902         without an error if there is nothing to link.
6903
6904 2009-12-29  Ian Lance Taylor  <iant@google.com>
6905
6906         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6907         using a version of gcc before 4.1.
6908         * configure: Rebuild.
6909
6910 2009-12-28  Chris Demetriou  <cgd@google.com>
6911
6912         * attributes.cc (Output_attributes_section_data::do_write): Use
6913         std::vector::front rather than std::vector::data.
6914
6915 2009-12-28  Ian Lance Taylor  <iant@google.com>
6916
6917         * symtab.h (class Symbol_table): Add enum Defined.
6918         * resolve.cc (Symbol_table::should_override): Add defined
6919         parameter.  Change all callers.  Test whether object is NULL
6920         before calling a method on it.
6921         (Symbol_table::report_resolve_problem): Add defined parameter.
6922         Change all callers.
6923         (Symbol_table::should_override_with_special): Likewise.
6924         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6925         parameter.  Change all callers.
6926         (Symbol_table::do_define_in_output_data): Likewise.
6927         (Symbol_table::define_in_output_segment): Likewise.
6928         (Symbol_table::do_define_in_output_segment): Likewise.
6929         (Symbol_table::define_as_constant): Likewise.
6930         (Symbol_table::do_define_as_constant): Likewise.
6931         * script.h (class Symbol_assignment): Add is_defsym parameter to
6932         constructor; change all callers.
6933         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6934         parameter.  Change all callers.  Add is_defsym_ field.
6935         (class Parser_closure): Add parsing_defsym parameter to
6936         constructor; change all callers.  Add parsing_defsym accessor
6937         function.  Add parsing_defsym_ field.
6938
6939 2009-12-28  Ian Lance Taylor  <iant@google.com>
6940
6941         * gold.cc (queue_middle_tasks): Fix formatting.
6942         * object.cc (Relobj::is_section_name_included): Likewise.
6943
6944 2009-12-23  Ian Lance Taylor  <iant@google.com>
6945
6946         * i386.cc (Target_i386::do_calls_non_split): Recognize
6947         -fsplit-stack prologue for a function with a static chain.
6948         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6949         -fsplit-stack prologue when using %r11.
6950
6951 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6952
6953         * options.cc (General_options::parse_version): Make -v continue and do
6954         the link like GNU ld does.
6955
6956 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6957
6958         * Makefile.am (CCFILES): Add timer.cc.
6959         (HFILES): Add timer.h.
6960         * configure.ac: Check for sysconf and times.
6961         * main.cc: include timer.h.
6962         (main): Use Timer instead of get_run_time.
6963         * timer.cc: New.
6964         * timer.h: New.
6965         * workqueue.cc: include timer.h.
6966         (Workqueue::find_and_run_task):
6967         Report user, sys and wall time.
6968         * Makefile.in: Regenerate.
6969         * config.in: Regenerate.
6970         * configure: Regenerate.
6971
6972 2009-12-16  Doug Kwan  <dougkwan@google.com>
6973
6974         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6975         sections.
6976         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6977         relaxed input sections.
6978         * output.cc (Output_section::find_relaxed_input_section): Change
6979         return type to Output_relaxed_input_section pointer.  Adjust code
6980         for new type of relaxed_input_section_map_.
6981         * output.h (Output_section::find_relaxed_input_section): Change
6982         return type to Output_relaxed_input_section pointer.
6983         (Output_section::Output_relaxed_input_section_by_input_section_map):
6984         New type.
6985         (Output_section::relaxed_input_section_map_): Change type to
6986         Output_section::Output_relaxed_input_section_by_input_section_map.
6987         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6988         input section.
6989
6990 2009-12-15  Ian Lance Taylor  <iant@google.com>
6991
6992         * layout.cc (Layout::create_shstrtab): Only write out after input
6993         sections if we are compressing debug sections.
6994
6995 2009-12-15  Ian Lance Taylor  <iant@google.com>
6996
6997         * archive.cc (Archive::add_symbols): Only look up a symbol without
6998         a version if there is, in fact, a version.
6999
7000 2009-12-14  Ian Lance Taylor  <iant@google.com>
7001
7002         Revert -Wshadow changes, all changes from:
7003         2009-12-11  Doug Kwan  <dougkwan@google.com>
7004         2009-12-11  Nick Clifton  <nickc@redhat.com>
7005         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7006
7007 2009-12-11  Doug Kwan  <dougkwan@google.com>
7008
7009         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7010         due to -Wshadow.
7011         * attributes.cc (Object_attribute::size): Ditto.
7012         (Attributes_section_data::size): Ditto.
7013         (Attributes_section_data::Attributes_section_data): Ditto.
7014         (Output_attributes_section_data::do_write): Ditto.
7015         * attributes.h (Object_attribute::set_type): Ditto.
7016         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7017
7018 2009-12-11  Nick Clifton  <nickc@redhat.com>
7019
7020         * archive.cc: Fix shadowed variable warnings.
7021         * arm.cc: Likewise.
7022         * compressed_output.cc: Likewise.
7023         * compressed_output.h: Likewise.
7024         * configure: Likewise.
7025         * dwarf_reader.cc: Likewise.
7026         * dynobj.cc: Likewise.
7027         * dynobj.h: Likewise.
7028         * ehframe.cc: Likewise.
7029         * ehframe.h: Likewise.
7030         * errors.cc: Likewise.
7031         * expression.cc: Likewise.
7032         * fileread.cc: Likewise.
7033         * fileread.h: Likewise.
7034         * freebsd.h: Likewise.
7035         * i386.cc: Likewise.
7036         * icf.cc: Likewise.
7037         * incremental.h: Likewise.
7038         * layout.cc: Likewise.
7039         * layout.h: Likewise.
7040         * mapfile.cc: Likewise.
7041         * merge.cc: Likewise.
7042         * merge.h: Likewise.
7043         * object.cc: Likewise.
7044         * object.h: Likewise.
7045         * options.h: Likewise.
7046         * output.cc: Likewise.
7047         * output.h: Likewise.
7048         * parameters.cc: Likewise.
7049         * plugin.cc: Likewise.
7050         * powerpc.cc: Likewise.
7051         * reduced_debug_output.cc: Likewise.
7052         * reduced_debug_output.h: Likewise.
7053         * reloc.cc: Likewise.
7054         * reloc.h: Likewise.
7055         * resolve.cc: Likewise.
7056         * script-sections.cc: Likewise.
7057         * script.cc: Likewise.
7058         * script.h: Likewise.
7059         * sparc.cc: Likewise.
7060         * symtab.cc: Likewise.
7061         * symtab.h: Likewise.
7062         * target-select.cc: Likewise.
7063         * target-select.h: Likewise.
7064         * token.h: Likewise.
7065         * workqueue.cc: Likewise.
7066         * workqueue.h: Likewise.
7067         * x86_64.cc: Likewise.
7068
7069 2009-12-10  Doug Kwan  <dougkwan@google.com>
7070
7071         * arm.cc (attributes.h): New include.
7072         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7073         (Arm_relobj::~Arm_relobj): Delete object pointed by
7074         attributes_section_data_.
7075         (Arm_relobj::attributes_section_data): New method definition.
7076         (Arm_relobj::attributes_section_data_): New data member declaration.
7077         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7078         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7079         attributes_section_data_.
7080         (Arm_dynobj::attributes_section_data): New method definition.
7081         (Arm_dynobj::attributes_section_data_): New data member declaration.
7082         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7083         initialization value of may_use_blx_ to false.
7084         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7085         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7086         object attributes to compute results instead of hard-coding.
7087         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7088         Target_arm::get_secondary_compatible_arch,
7089         Target_arm::set_secondary_compatible_arch
7090         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7091         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7092         New method declarations.
7093         (Target_arm::get_aeabi_object_attribute): New method definition.
7094         (Target_arm::attributes_section_data_): New data member declaration.
7095         (read_arm_attributes_section): New template definition.
7096         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7097         (Arm_dynobj::do_read_symbols): Ditto.
7098         (Target_arm::do_finalize_sections): Merge attributes sections from
7099         input.  Check for BLX use after attributes section merging.
7100         Fix __exidx_start and __exidx_end visibility.  Create an
7101         .ARM.attributes section if necessary.
7102         (Target_arm::get_secondary_compatible_arch,
7103         Target_arm::set_secondary_compatible_arch,
7104         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7105         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7106         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7107         New method definitions.
7108
7109 2009-12-09  Ian Lance Taylor  <iant@google.com>
7110
7111         * plugin.cc (Plugin::load): Don't cast from void* to a function
7112         pointer.
7113
7114 2009-12-09  Ian Lance Taylor  <iant@google.com>
7115
7116         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7117         information fields.
7118
7119 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7120
7121         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7122         Replace two_file_shared_1.so with two_file_shared_2.so.
7123         * testsuite/Makefile.in: Regenerated.
7124
7125 2009-12-08  Doug Kwan  <dougkwan@google.com>
7126
7127         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7128         (HFILES): Add attributes.h and int_encoding.h.
7129         * Makefile.in: Regenerate.
7130         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7131         function definitions to int_encoding.cc
7132         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7133         prototypes to int_encoding.h
7134         * reduced_debug_output.cc (int_encoding.h): New include.
7135         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7136         function definitions to int_encoding.cc
7137         (insert_into_vector, read_from_pointer): Move template definitions to
7138         int_encoding.h
7139         * attributes.cc: New file.
7140         * attributes.h: New file.
7141         * int_encoding.cc: New file.
7142         * int_encoding.h: New file.
7143
7144 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7145
7146         PR gold/11055
7147         * incremental-dump.cc (dump_incremental_inputs): New.
7148         (main): Use dump_incremental_inputs.
7149
7150 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7151
7152         PR gold/10893
7153         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7154         checking elfcpp::STT_FUNC.
7155         (Target_i386::Relocate::relocate): Likewise.
7156         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7157
7158         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7159         symbols from shared libraries into normal FUNC symbols.
7160
7161         * symtab.h (Symbol): Add is_func and use it.
7162
7163 2009-12-05  Doug Kwan  <dougkwan@google.com>
7164
7165         * arm.cc (Target_arm::arm_info): Initialize new fields
7166         attributes_section and attributes_vendor.
7167         * i386.cc (Target_i386::i386_info): Same.
7168         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7169         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7170         fields attributes_section and attributes_vendor.
7171         * sparc.cc (Target_sparc::sparc_info): Same.
7172         * target.h (Target::attributes_section, Target::attributes_vendor,
7173         Target::is_attributes_section, Target::attribute_arg_type,
7174         Target::attributes_order): New method definitions.
7175         (Target::Target_info::attributes_section,
7176         Target::Target_info::attributes_vendor): New fields.
7177         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7178         virtual method definitions.
7179         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7180         attributes_section and attributes_vendor.
7181         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7182
7183 2009-12-05  Doug Kwan  <dougkwan@google.com>
7184
7185         * arm.cc: Update comments about interworking and stub generation.
7186         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7187         considered as non-PIC.
7188         (Arm_relocate_functions::base_abs): Fix formatting.
7189         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7190         of function to use GOT entry address instead of offset.
7191         (Target_arm::Scan::global): Issue an error if a symbol would need a
7192         PLT does not get one because it is untyped.  Remove code to create
7193         dynamic symbols for relative branches.
7194         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7195         takes unsigned integer instead of boolean.
7196
7197 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7198
7199         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7200         (two_file_test_LDADD): Likewise.
7201         (common_test_1_LDADD): Likewise.
7202         (exception_test_LDADD) Likewise.
7203         (weak_test_LDADD): Likewise.
7204         (many_sections_test_LDADD): Likewise.
7205         (initpri1_LDADD): Likewise.
7206         (script_test_1_LDADD): Likewise.
7207         (script_test_2_LDADD): Likewise.
7208         (justsyms_LDADD): Likewise.
7209         (binary_test_LDADD): Likewise.
7210         (large_LDADD): Likewise.
7211         * testsuite/Makefile.in: Regenerated.
7212
7213 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7214
7215         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7216         (Symbol_table::override_with_special): Likewise.
7217         (Symbol_table::add_from_object): Likewise.
7218
7219 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7220
7221         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7222         Don't set the data_offset twice.
7223
7224 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7225
7226         * testsuite/Makefile.in: Regenerate.
7227
7228 2009-12-03  Doug Kwan  <dougkwan@google.com>
7229
7230         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7231         (Target_arm::do_finalize_sections): Add parameter for symbol table
7232         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7233         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7234         parameter for symbol table pointer.
7235         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7236         an additional parameter for a pointer to symbol table.
7237         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7238         parameter for a symbol table pointer.
7239         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7240         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7241         Ditto.
7242         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7243         parameter for a symbol table pointer.
7244
7245 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7246
7247         * incremental.cc (Incremental_inputs_header)
7248         (Incremental_inputs_header_write, Incremental_inputs_entry)
7249         (Incremental_inputs_entry_write): Move ...
7250         * incremental.h (Incremental_inputs_header)
7251         (Incremental_inputs_header_write, Incremental_inputs_entry)
7252         (Incremental_inputs_entry_write): here.
7253
7254 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7255
7256         * incremental.cc (make_sized_incremental_binary): Set the target.
7257         Error if it is incompatible.
7258         * output.h (Output_file): Add filename method.
7259
7260 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7261
7262         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7263         from the get_* methods.
7264
7265 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7266
7267         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7268         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7269         Write 0 for the data_offset of scripts.
7270
7271 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7272
7273         * testsuite/Makefile.am: Add the incremental_test.sh test.
7274         * testsuite/incremental_test.sh: New.
7275         * testsuite/incremental_test_1.c: New.
7276         * testsuite/incremental_test_2.c: New.
7277
7278 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7279
7280        * incremental-dump.cc (main): Fix typos.
7281
7282 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7283
7284         PR gold/11025
7285         * incremental-dump.cc (main): Use llu to print 64 bit values.
7286
7287 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7288             H.J. Lu  <hongjiu.lu@intel.com>
7289
7290         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7291         $(LIBDL).
7292         (incremental_dump_LDADD): Likewise.
7293         * Makefile.in: Regenerated.
7294
7295 2009-11-25  Doug Kwan  <dougkwan@google.com>
7296
7297         Revert:
7298
7299         2009-11-25  Doug Kwan  <dougkwan@google.com>
7300
7301                 * arm.cc (Target_arm::Target_arm): Move method definition
7302                 outside of class definition.  Add code to handle
7303                 --target1-rel, --target1-abs and --target2= options.
7304                 (Target_arm::get_reloc_reloc_type): Change method to be
7305                 non-static and const.
7306                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7307                 New data member declaration.
7308                 (Target_arm::Scan::local, Target_arm::Scan::global,
7309                 Target_arm::Relocate::relocate,
7310                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7311                 Adjust call to Target_arm::get_real_reloc_type.
7312                 (Target_arm::get_real_reloc_type): Use command line options
7313                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7314                 * options.h (--target1-rel, --target1-abs, --target2): New
7315                 ARM-only options.
7316
7317 2009-11-25  Doug Kwan  <dougkwan@google.com>
7318
7319         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7320         class definition.  Add code to handle --target1-rel, --target1-abs
7321         and --target2= options.
7322         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7323         and const.
7324         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7325         member declaration.
7326         (Target_arm::Scan::local, Target_arm::Scan::global,
7327         Target_arm::Relocate::relocate,
7328         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7329         call to Target_arm::get_real_reloc_type.
7330         (Target_arm::get_real_reloc_type): Use command line options to
7331         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7332         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7333         options.
7334
7335 2009-11-25  Doug Kwan  <dougkwan@google.com>
7336
7337         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7338         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7339         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7340         formatting.
7341         (Arm_relocate_functions::thm_call): Replace body with a call to
7342         Arm_relocate_functions::thumb_branch_common.
7343         (Arm_relocate_functions::thm_jump24,
7344         Arm_relocate_functions::thm_xpc22): New method definitions.
7345         (Arm_relocate_functions::thumb_branch_common): New method definition.
7346         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7347         operator.
7348         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7349         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7350
7351 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7352
7353         * Makefile.am: Build incremental-dump
7354         * Makefile.in: Regenerate.
7355         * incremental-dump.cc: New.
7356         * incremental.cc (Incremental_inputs_header_data,
7357         Incremental_inputs_entry_data): Move to incremental.h
7358         * incremental.h: (Incremental_inputs_header_data,
7359         Incremental_inputs_entry_data): Move from incremental.cc
7360
7361 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7362
7363         * incremental.cc (Incremental_inputs_header,
7364         Incremental_inputs_header_write, Incremental_inputs_entry,
7365         Incremental_inputs_entry_write): Add a typedef with the data type.
7366
7367 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7368
7369         * incremental.cc (Incremental_inputs_header,
7370         Incremental_inputs_header_write, Incremental_inputs_entry,
7371         Incremental_inputs_entry_write): Update comment about which
7372         type has the filed descriptions.
7373
7374 2009-11-15  Doug Kwan  <dougkwan@google.com>
7375
7376         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7377         (Arm_relocate_functions::arm_branch_common): Change method defintion
7378         in class definition to a method declaration and update list of formal
7379         parameters.
7380         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7381         Arm_relocation_functions::jump24): Adjust call to
7382         Arm_relocate_functions::arm_branch_common.  Update list of formal
7383         parameters.
7384         (Arm_relocate_functions::xpc25): New method definition.
7385         (Arm_relocate_functions::arm_branch_common): Move method defintion
7386         out from class definition.  Use stubs for mode-switching and extending
7387         branch ranges.
7388         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7389         specially.  Change code to enable use of stubs in ARM branches.
7390
7391 2009-11-10  Doug Kwan  <dougkwan@google.com>
7392
7393         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7394         in method declaration.
7395         (Target_arm::relocate_stub): New method declaration.
7396         (Target_arm::default_target): Change to return a pointer instead of
7397         a const reference.
7398         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7399         Target_arm::default_target.
7400         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7401         method definition.
7402         (Target_arm::relocate_section): Adjust view.
7403         (Target_arm::relocate_stub): New method definition.
7404
7405 2009-11-10  Doug Kwan  <dougkwan@google.com>
7406
7407         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7408         a format warning.
7409         * incremental.cc (open_incremental_binary): Initialized local
7410         variables to avoid warnings.
7411         * object.cc (make_elf_object): Ditto.
7412         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7413         a format warning.
7414
7415 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7416
7417         PR gold/10930
7418         * testsuite/plugin_test.c: Include "config.h".
7419
7420 2009-11-09  Doug Kwan  <dougkwan@google.com>
7421
7422         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7423         (arm_symbol_value): Remove.
7424         (Arm_relocate_functions::arm_branch_common,
7425         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7426         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7427         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7428         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7429         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7430         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7431         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7432         Arm_relocate_functions::thm_mobw_abs_nc,
7433         Arm_relocate_functions::thm_mov_abs,
7434         Arm_relocate_functions::movw_prel_nc,
7435         Arm_relocate_functions::thm_movt_abs,
7436         Arm_relocate_functions::movt_prel,
7437         Arm_relocate_functions::thm_movw_prel_nc,
7438         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7439         (Target_arm::Relocate::relocate): Only decompose address into two
7440         parts if relocation type uses the thumb-bit and pass the actual
7441         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7442         calls to methods in Arm_relocate_functions for this change.
7443
7444 2009-11-08  Ian Lance Taylor  <iant@google.com>
7445
7446         PR 10925
7447         * reloc.cc: Instantiate
7448         Sized_relobj::initialize_input_to_output_maps and
7449         Sized_relobj:free_input_to_output_maps.
7450
7451 2009-11-06  Ian Lance Taylor  <iant@google.com>
7452
7453         PR 10876
7454         * defstd.cc (in_segment): Set only_if_ref true for "end".
7455
7456 2009-11-06  Doug Kwan  <dougkwan@google.com>
7457
7458         * arm.cc (class Reloc_stub): Correct a comment.
7459         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7460         (Target_arm::scan_section_for_stubs): New method declaration.
7461         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7462         Change methods from private to protected.
7463         (Target_arm::do_may_relax): New method definition.
7464         (Target_arm::do_relax, Target_arm::group_sections,
7465         Target_arm::scan_reloc_for_stub,
7466         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7467         (Target_arm::arm_input_section_map_): New data member declaration.
7468         (Target_arm::scan_reloc_for_stub,
7469         Target_arm::scan_reloc_section_for_stubs,
7470         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7471         Target_arm::do_relax): New method definitions.
7472
7473 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7474
7475         * configure.ac: Check for (struct stat)::st_mtim
7476         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7477         * config.in: Regenerate.
7478         * configure: Regenerate.
7479
7480 2009-11-05  Ian Lance Taylor  <iant@google.com>
7481
7482         PR 10910
7483         * output.cc (Output_segment::add_output_section): Add missing
7484         return statement.
7485
7486 2009-11-04  Ian Lance Taylor  <iant@google.com>
7487
7488         PR 10880
7489         * object.h (class Object): Add is_needed and set_is_needed
7490         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7491         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7492         defined in a dynamic object and referenced by a regular object,
7493         set is_needed for the dynamic object.
7494         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7495         if the file is marked with as_needed and it is not needed.
7496
7497 2009-11-04  Ian Lance Taylor  <iant@google.com>
7498
7499         PR 10887
7500         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7501         tags if data is discarded by linker script.
7502         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7503         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7504         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7505         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7506
7507 2009-11-04  Ian Lance Taylor  <iant@google.com>
7508
7509         * layout.cc (Layout::get_output_section): Add is_interp and
7510         is_dynamic_linker_section parameters.  Change all callers.
7511         (Layout::choose_output_section): Likewise.
7512         (Layout::make_output_section): Likewise.
7513         (Layout::add_output_section_data): Add is_dynamic_linker_section
7514         parameter.  Change all callers.
7515         * layout.h (class Layout): Update declarations.
7516         * output.h (class Output_section): Add is_interp, set_is_interp,
7517         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7518         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7519         generate_code_fills_at_write_ to a bitfield.
7520         * output.cc (Output_section::Output_sections): Initialize new
7521         fields.
7522         (Output_segment::add_output_section): Add do_sort parameter.
7523         Change all callers.
7524
7525 2009-11-03  Ian Lance Taylor  <iant@google.com>
7526
7527         PR 10860
7528         * options.h (class General_options): Add --warn-common.
7529         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7530         merging two common symbols.
7531         (Symbol_table::should_override): Handle --warn-common when merging
7532         a common symbol with a defined symbol.  Use report_resolve_problem
7533         for multiple definitions.
7534         (Symbol_table::report_resolve_problem): New function.
7535         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7536
7537 2009-11-03  Doug Kwan  <dougkwan@google.com>
7538
7539         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7540         stub_factory_.
7541         (Target_arm::stub_factory): New method definition.
7542         (Target_arm::new_arm_input_section,
7543         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7544         Target_arm::reloc_uses_thumb_bit): New method declarations.
7545         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7546         New type definitions.
7547         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7548         member declarations.
7549         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7550         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7551         New method definitions.
7552
7553 2009-11-03  Ian Lance Taylor  <iant@google.com>
7554
7555         * options.h (class General_options): Add --warn_constructors.
7556
7557 2009-11-03  Ian Lance Taylor  <iant@google.com>
7558
7559         PR 10893
7560         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7561         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7562
7563 2009-11-03  Ian Lance Taylor  <iant@google.com>
7564
7565         PR 10895
7566         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7567         --msgid-bugs-address.
7568         (install-pdf): New target.
7569         (install-data_yes): Look up one directory to find mkinstalldirs.
7570
7571 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7572
7573         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7574         tree.
7575
7576 2009-10-30  Doug Kwan  <dougkwan@google.com>
7577
7578         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7579
7580 2009-10-30  Doug Kwan  <dougkwan@google.com>
7581
7582         * arm.cc (Stub_addend_reader): New struct template definition
7583         and partial specializations.
7584         (Stub_addend_reader::operator()): New method definition for a
7585         partially specialized template.
7586
7587 2009-10-30  Doug Kwan  <dougkwan@google.com>
7588
7589         * arm.cc (Arm_relobj::processor_specific_flags): New method
7590         definition.
7591         (Arm_relobj::do_read_symbols): New method declaration.
7592         (Arm_relobj::processor_specific_flags_): New data member declaration.
7593         (Arm_dynobj): New class definition.
7594         (Target_arm::do_finalize_sections): Add input_objects parameter.
7595         (Target_arm::do_adjust_elf_header): New method declaration.
7596         (Target_arm::are_eabi_versions_compatible,
7597         (Target_arm::merge_processor_specific_flags): New method declaration.
7598         (Target_arm::do_make_elf_object): New overloaded method definitions
7599         and declaration.
7600         (Arm_relobj::do_read_symbols): New method definition.
7601         (Arm_dynobj::do_read_symbols): Ditto.
7602         (Target_arm::do_finalize_sections): Add input_objects parameters.
7603         Merge processor-specific flags from all input objects.
7604         (Target_arm::are_eabi_versions_compatible,
7605         Target_arm::merge_processor_specific_flags,
7606         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7607         New method definitions.
7608         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7609         Input_objects pointer type parameter.
7610         * layout.cc (Layout::finalize): Pass input objects to target's.
7611         finalize_sections function.
7612         * output.cc (Output_file_header::do_sized_write): Set ELF file
7613         header's processor-specific flags.
7614         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7615         Input_objects pointer type parameter.
7616         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7617         * target.h (Input_objects): New forward class declaration.
7618         (Target::processor_specific_flags,
7619         Target::are_processor_specific_flags_sect): New method definitions.
7620         (Target::finalize_sections): Add input_objects parameter.
7621         (Target::Target): Initialize processor_specific_flags_ and
7622         are_processor_specific_flags_set_.
7623         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7624         parameter.
7625         (Target::set_processor_specific_flags): New method definition.
7626         (Target::processor_specific_flags_,
7627         Target::are_processor_specific_flags_set_): New data member
7628         declarations.
7629         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7630         Input_objects pointer type parameter.
7631
7632 2009-10-30  Doug Kwan  <dougkwan@google.com>
7633
7634         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7635
7636 2009-10-28  Ian Lance Taylor  <iant@google.com>
7637
7638         * object.h (class Relobj): Drop options parameter from
7639         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7640         do_scan_relocs, do_relocate.  Change all callers.
7641         (class Sized_relobj): Drop options parameters from
7642         do_gc_process_relocs, do_scan_relocs, do_relocate,
7643         do_relocate_sections, relocate_sections, emit_relocs_scan,
7644         emit_relocs_scan_reltype.  Change all callers.
7645         (struct Relocate_info): Remove options field and all references to
7646         it.
7647         * reloc.h (class Read_relocs): Remove options constructor
7648         parameter and options_ field.  Change all callers.
7649         (class Gc_process_relocs, class Scan_relocs): Likewise.
7650         (class Relocate_task): Likewise.
7651         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7652         all callers.
7653         (scan_relocatable_relocs): Likewise.
7654         * target.h (class Sized_target): Remove options parameter from
7655         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7656         all callers.
7657         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7658         callers.
7659         * arm.cc: Update functions to remove options parameters.
7660         * i386.cc: Likewise.
7661         * powerpc.cc: Likewise.
7662         * sparc.cc: Likewise.
7663         * x86_64.cc: Likewise.
7664         * testsuite/testfile.cc: Likewise.
7665
7666 2009-10-28  Doug Kwan  <dougkwan@google.com>
7667
7668         * arm.cc (Arm_relobj): New class definition.
7669         (Arm_relobj::scan_sections_for_stubs,
7670         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7671         New method definitions.
7672
7673 2009-10-28  Cary Coutant  <ccoutant@google.com>
7674
7675         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7676         (Plugin::cleanup_done_): New member.
7677         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7678         (Plugin_manager::cleanup_done_): Remove.
7679         (Plugin_manager::add_input_file): Edit error message.
7680         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7681         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7682
7683 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7684
7685         * fileread.cc: (File_read::View::~View): Use the new
7686         data_ownership_ filed.
7687         (File_read::~File_read): Dispose the new whole_file_view_.
7688         (File_read::open): Mmap the whole file if needed.
7689         (File_read::open): Use whole_file_view_ instead of contents_.
7690         (File_read::find_view): Use whole_file_view_ if applicable.
7691         (File_read::do_read): Use whole_file_view_ instead of contents_.
7692         (File_read::make_view): Use whole_file_view_ instead of contents_,
7693         update File_read::View::View call.
7694         (File_read::find_or_make_view): Update File_read::View::View
7695         call.
7696         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7697         remove contents_
7698         (File_read::View::Data_ownership): New enum.
7699         (File_read::View::View): Replace bool mapped_ with Data_ownership
7700         argument.
7701         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7702         (File_read::View::data_ownership_): New field.
7703         (File_read::contents_): Remove (replaced by whole_file_view_).
7704         (File_read::whole_file_view_): New field.
7705         * options.h (class General_options): Add --keep-files-mapped.
7706
7707 2009-10-27  Cary Coutant  <ccoutant@google.com>
7708
7709         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7710         * testsuite/Makefile.am (plugin_test_5): New test case.
7711         * testsuite/Makefile.in: Regenerate.
7712
7713 2009-10-25  Doug Kwan  <dougkwan@google.com>
7714
7715         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7716         from private to protected to allow access by child class.
7717         (Sized_relobj::do_relocate_sections): New method declaration.
7718         (Sized_relobj::relocate_sections): Virtualize.
7719         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7720         Sized_relobj::relocate_sections.  Instantiate template explicitly
7721         for different target sizes and endianity.
7722
7723 2009-10-24  Doug Kwan  <dougkwan@google.com>
7724
7725         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7726         (Arm_input_section::as_arm_input_section): New method.
7727         (Arm_output_section): New class definition.
7728         (Arm_output_section::create_stub_group,
7729         Arm_output_section::group_sections): New method definitions.
7730
7731 2009-10-22  Doug Kwan  <dougkwan@google.com>
7732
7733         * arm.cc (Arm_input_section): New class definition.
7734         (Arm_input_section::init, Arm_input_section:do_write,
7735         Arm_input_section::set_final_data_size,
7736         Arm_input_section::do_reset_address_and_file_offset): New method
7737         definitions.
7738
7739 2009-10-21  Doug Kwan  <dougkwan@google.com>
7740
7741         * arm.cc (Stub_table, Arm_input_section): New forward class
7742         declarations.
7743         (Stub_table): New class defintion.
7744         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7745         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7746         New method definition.
7747
7748 2009-10-21  Doug Kwan  <dougkwan@google.com>
7749
7750         * arm.cc: Update copyright comments.
7751         (Target_arm): New forward class template declaration.
7752         (Arm_address): New type.
7753         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7754         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7755         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7756         constants.
7757         (Insn_template): Same.
7758         (DEF_STUBS): New macro.
7759         (Stub_type): New enum type.
7760         (Stub_template): New class definition.
7761         (Stub): Same.
7762         (Reloc_stub): Same.
7763         (Stub_factory): Same.
7764         (Target_arm::Target_arm): Initialize may_use_blx_ and
7765         should_force_pic_veneer_.
7766         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7767         Target_arm::should_force_pic_veneer,
7768         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7769         Target_arm::using_thumb_only, Target_arm:;default_target): New
7770         method defintions.
7771         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7772         New data member declarations.
7773         (Insn_template::size, Insn_template::alignment): New method defintions.
7774         (Stub_template::Stub_template): New method definition.
7775         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7776         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7777         (Stub_factory::Stub_factory): New method definition.
7778         * gold.h (string_hash): New template.
7779         * output.h (Input_section_specifier::hash_value): Use
7780         gold::string_hash.
7781         (Input_section_specifier::string_hash): Remove.
7782         * stringpool.cc (Stringpool_template::string_hash): Use
7783         gold::string_hash.
7784
7785 2009-10-20  Doug Kwan  <dougkwan@google.com>
7786
7787         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7788         symbols of relaxed input sections.
7789         * output.h (Output_section::find_relaxed_input_section): Make
7790         method public.
7791
7792 2009-10-16  Doug Kwan  <dougkwan@google.com>
7793
7794         * dynobj.cc (Versions::Versions): Initialize version_script_.
7795         Only insert base version symbol definition for a shared object
7796         if version script defines any version versions.
7797         (Versions::define_base_version): New method definition.
7798         (Versions::add_def): Check that base version is not needed.
7799         (Versions::add_need): Define base version lazily.
7800         * dynobj.h (Versions::define_base_version): New method declaration.
7801         (Versions::needs_base_version_): New data member declaration.
7802         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7803         (check_DATA): Add no_version_test.stdout.
7804         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7805         New make rules.
7806         * testsuite/Makefile.in: Regenerate.
7807         * testsuite/no_version_test.c: New file.
7808         * testsuite/no_version_test.sh: Ditto.
7809
7810 2009-10-16  Doug Kwan  <dougkwan@google.com>
7811
7812         * expression.cc (class Segment_start_expression): New class definition.
7813         (Segment_start_expression::value): New method definition.
7814         (script_exp_function_segment_start): Return a new
7815         Segment_start_expression.
7816         * gold/script-c.h (script_saw_segment_start_expression): New function
7817         prototype.
7818         * script-sections.cc (Script_sections::Script_sections): Initialize
7819         SAW_SEGMENT_START_EXPRESSION_ to false.
7820         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7821         and -Tbbs options to specify section addresses if given in
7822         command line and no SEGMENT_START expression is seen in a script.
7823         * script-sections.h (Script_sections::saw_segment_start_expression,
7824         Script_sections::set_saw_segment_start_expression): New method
7825         definition.
7826         (Script_sections::saw_segment_start_expression_): New data member
7827         declaration.
7828         * script.cc (script_saw_segment_start_expression): New function.
7829         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7830         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7831         script_test_7.sh and script_test_8.sh.
7832         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7833         script_test_8.stdout.
7834         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7835         (script_test_6, script_test_6.stdout, script_test_7,
7836         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7837         * Makefile.in: Regenerate.
7838         * testsuite/script_test_6.sh: New file.
7839         * testsuite/script_test_6.t: Same.
7840         * testsuite/script_test_7.sh: Same.
7841         * testsuite/script_test_7.t: Same.
7842         * testsuite/script_test_8.sh: Same.
7843
7844 2009-10-16  Doug Kwan  <dougkwan@google.com>
7845
7846         * output.cc (Output_segment::set_section_list_address): Cast
7847         expressions to unsigned long long type to avoid format warnings.
7848
7849 2009-10-15  Ian Lance Taylor  <iant@google.com>
7850
7851         * script.cc (Script_options::add_symbol_assignment): Always add a
7852         dot assignment to script_sections_.
7853         * script-sections.cc (Script_sections::add_dot_assignment):
7854         Initialize if necessary.
7855
7856         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7857         program headers with no load segment if there is a linker script.
7858
7859         * layout.cc (Layout::set_segment_offsets): Align the file offset
7860         to the segment aligment for -N or -n with no load segment.
7861         * output.cc (Output_segment::add_output_section): Don't crash if
7862         the first section is a TLS section.
7863         (Output_segment::set_section_list_addresses): Print an error
7864         message if the address moves backward in a linker script.
7865         * script-sections.cc
7866         (Output_section_element_input::set_section_addresses): Don't
7867         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7868         (Orphan_output_section::set_section_addresses): Likewise.
7869
7870 2009-10-15  Doug Kwan  <dougkwan@google.com>
7871
7872         * layout.cc (Layout::finish_dynamic_section): Generate tags
7873         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7874         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7875         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7876
7877 2009-10-14  Ian Lance Taylor  <iant@google.com>
7878
7879         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7880         fields.
7881         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7882         data_shdr fields of relinfo.
7883         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7884         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7885         R_386_TLS_LDO_32, adjust based on section flags.
7886         (Target_i386::Relocate::fix_up_ldo): Remove.
7887
7888 2009-10-13  Ian Lance Taylor  <iant@google.com>
7889
7890         Add support for -pie.
7891         * options.h (class General_options): Add -pie and
7892         --pic-executable.
7893         (General_options::output_is_position_independent): Test -pie.
7894         (General_options::output_is_executable): Return true if not shared
7895         and not relocatable.
7896         (General_options::output_is_pie): Remove.
7897         * options.cc (General_options::finalize): Reject incompatible uses
7898         of -pie.
7899         * gold.cc (queue_middle_tasks): A -pie link is not static.
7900         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7901         * symtab.cc (Symbol::final_value_is_known): Return false if
7902         output_is_position_independent.
7903         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7904         output_is_position_independent.
7905         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7906         output_is_position_independent.
7907         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7908         output_is_position_independent.
7909         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7910         two_file_pie_test.
7911         (basic_pie_test.o, basic_pie_test): New targets.
7912         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7913         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7914         (two_file_pie_test): New target.
7915         * testsuite/Makefile.in: Rebuild.
7916         * README: Remove note saying that -pie is not supported.
7917
7918 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7919
7920         * options.h (class General_options): Add -init and -fini.
7921         * layout.cc (Layout::finish_dynamic_section): Emit
7922         given init and fini functions.
7923
7924 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7925
7926         * gc.h (gc_process_relocs): Check if icf is enabled using new
7927         function.
7928         * gold.cc (queue_initial_tasks): Likewise.
7929         (queue_middle_tasks): Likewise.
7930         * object.cc (do_layout): Likewise.
7931         * symtab.cc (is_section_folded): Likewise.
7932         * main.cc (main): Likewise.
7933         * reloc.cc (Read_relocs::run): Likewise.
7934         (Sized_relobj::do_scan_relocs): Likewise.
7935         * icf.cc (is_function_ctor_or_dtor): New function.
7936         (Icf::find_identical_sections): Check if function is ctor or dtor when
7937         safe icf is chosen.
7938         * options.h (General_options::icf): Change option to be an enum.
7939         (Icf_status): New enum.
7940         (icf_enabled): New method.
7941         (icf_safe_folding): New method.
7942         (set_icf_status): New method.
7943         (icf_status_): New variable.
7944         * (options.cc) (General_options::finalize): Set icf_status_.
7945         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7946         icf_test and icf_keep_unique_test to use the --icf enum flag.
7947         * testsuite/icf_safe_test.sh: New file.
7948         * testsuite/icf_safe_test.cc: New file.
7949
7950 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7951
7952         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7953         includes to gc.h and icf.h.
7954         * arm.cc: Include gc.h.
7955         * gold.cc: Likewise.
7956         * i386.cc: Likewise.
7957         * powerpc.cc: Likewise.
7958         * sparc.cc: Likewise.
7959         * x86_64.cc: Likewise.
7960         * gc.h: Include icf.h.
7961
7962 2009-10-11  Ian Lance Taylor  <iant@google.com>
7963
7964         * plugin.cc: Include "gold.h" before other header files.
7965
7966 2009-10-10  Chris Demetriou  <cgd@google.com>
7967
7968         * options.h (Input_file_argument::Input_file_type): New enum.
7969         (Input_file_argument::is_lib_): Replace with...
7970         (Input_file_argument::type_): New member.
7971         (Input_file_argument::Input_file_argument): Take Input_file_type
7972         'type' rather than boolean 'is_lib' as second argument.
7973         (Input_file_argument::is_lib): Use type_.
7974         (Input_file_argument::is_searched_file): New function.
7975         (Input_file_argument::may_need_search): Handle is_searched_file.
7976         * options.cc (General_options::parse_library): Support -l:filename.
7977         (General_options::parse_just_symbols): Update for Input_file_argument
7978         changes.
7979         (Command_line::process): Likewise.
7980         * archive.cc (Archive::get_file_and_offset): Likewise.
7981         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7982         * script.cc (read_script_file, script_add_file): Likewise.
7983         * fileread.cc (Input_file::Input_file): Likewise.
7984         (Input_file::will_search_for): Handle is_searched_file.
7985         (Input_file::open): Likewise.
7986         * readsyms.cc (Read_symbols::get_name): Likewise.
7987         * testsuite/Makefile.am (searched_file_test): New test.
7988         * testsuite/Makefile.in: Regenerate.
7989         * testsuite/searched_file_test.cc: New file.
7990         * testsuite/searched_file_test_lib.cc: New file.
7991
7992 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7993             Ian Lance Taylor  <iant@google.com>
7994
7995         * descriptor.cc: Include <cstdio> and "binary-io.h".
7996         (Descriptors::open): Open the files in binary mode always.
7997         * script.cc (Lex::get_token): Treat \r as whitespace.
7998
7999 2009-10-09  Ian Lance Taylor  <iant@google.com>
8000
8001         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8002
8003 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8004             Ian Lance Taylor  <iant@google.com>
8005
8006         * configure.ac: Check for readv function also.
8007         * fileread.cc (readv): Define if not HAVE_READV.
8008         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8009         does not exist.
8010         * config.in: Regenerate.
8011         * configure: Regenerate.
8012
8013 2009-10-09  Doug Kwan  <dougkwan@google.com>
8014
8015         * layout.cc (Layout::make_output_section): Call target hook to make
8016         ordinary output section.
8017         (Layout::finalize): Adjust parameter list of call the
8018         Target::may_relax().
8019         * layout.h (class Layout::section_list): New method.
8020         * merge.h (Output_merge_base::entsize): Change visibility to public.
8021         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8022         New methods.
8023         (Output_merge_string::do_is_string): New method.
8024         * object.cc (Sized_relobj::do_setup): renamed from
8025         Sized_relobj::set_up.
8026         * object.h (Sized_relobj::adjust_shndx,
8027         Sized_relobj::initializ_input_to_output_maps,
8028         Sized_relobj::free_input_to_output_maps): Change visibilities to
8029         protected.
8030         (Sized_relobj::setup): Virtualize.
8031         (Sized_relobj::do_setup): New method declaration.
8032         (Sized_relobj::invalidate_section_offset,
8033         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8034         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8035         * options.cc (parse_int): New function.
8036         * options.h (parse_int): New declaration.
8037         (DEFINE_int): New macro.
8038         (stub_group_size): New option.
8039         * output.cc (Output_section::Output_section): Initialize memebers
8040         merge_section_map_, merge_section_by_properties_map_,
8041         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8042         (Output_section::add_input_section): Handled deferred code-fill
8043         generation and remove an old comment.
8044         (Output_section::add_relaxed_input_section): New method definition.
8045         (Output_section::add_merge_input_section): Use merge section by
8046         properties map to speed to search.  Update merge section maps
8047         as appropriate.
8048         (Output_section::build_relaxation_map): New method definition.
8049         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8050         Same.
8051         (Output_section::relax_input_section): Renamed to
8052         Output_section::convert_input_sections_to_relaxed_sections and change
8053         interface to take a vector of pointers to relaxed sections.
8054         (Output_section::find_merge_section,
8055         Output_section::find_relaxed_input_section): New method definitions.
8056         (Output_section::is_input_address_mapped,
8057         Output_section::output_offset, Output_section::output_address):
8058         Use output section data maps to speed up searching.
8059         (Output_section::find_starting_output_address): Add comments.
8060         (Output_section::do_write,
8061         Output_section::write_to_postprocessing_buffer): Do code-fill
8062         generation as appropriate.
8063         (Output_section::get_input_sections): Invalidate relaxed input section
8064         map.
8065         (Output_section::restore_states): Adjust type of checkpoint .
8066         Invalidate relaxed input section map.
8067         * output.h (Output_merge_base): New class declaration.
8068         (Input_section_specifier): New class defintion.
8069         (class Output_relaxed_input_section) Change base class to
8070         Output_section_data_build.
8071         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8072         base class initializer.
8073         (Output_section::add_relaxed_input_section): New method declaration.
8074         (Output_section::Input_section): Change visibility to protected.
8075         (Output_section::Input_section::relobj,
8076         Output_section::Input_section::shndx): Handle relaxed input sections.
8077         Output_section::input_sections) Change visibility to protected.  Also
8078         define overload to return a non-const pointer.
8079         (Output_section::Merge_section_properties): New class defintion.
8080         (Output_section::Merge_section_by_properties_map,
8081         Output_section::Output_section_data_by_input_section_map,
8082         Output_section::Relaxation_map): New types.
8083         (Output_section::relax_input_section): Rename method to
8084         Output_section::convert_input_sections_to_relaxed_sections and change
8085         interface to take a vector of relaxed section pointers.
8086         (Output_section::find_merge_section,
8087         Output_section::find_relaxed_input_section,
8088         Output_section::build_relaxation_map,
8089         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8090         New method declarations.
8091         (Output_section::merge_section_map_
8092         Output_section::merge_section_by_properties_map_,
8093         Output_section::relaxed_input_section_map_,
8094         Output_section::is_relaxed_input_section_map_valid_,
8095         Output_section::generate_code_fills_at_write_): New data members.
8096         * script-sections.cc
8097         (Output_section_element_input::set_section_addresses): Call
8098         current_data_size and addralign methods of relaxed input sections.
8099         (Orphan_output_section::set_section_addresses): Call current_data_size
8100         and addralign methods of relaxed input sections.
8101         * symtab.cc (Symbol_table::compute_final_value): Extract template
8102         from the body of Symbol_table::sized_finalize_symbol.
8103         (Symbol_table::sized_finalized_symbol): Call
8104         Symbol_table::compute_final_value.
8105         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8106         (Symbol_table::compute_final_value): New templated method declaration.
8107         * target.cc (Target::do_make_output_section): New method defintion.
8108         * target.h (Target::make_output_section): New method declaration.
8109         (Target::relax): Add more parameters for input objects, symbol table
8110         and layout.  Adjust call to do_relax.
8111         (Target::do_make_output_section): New method declaration.
8112         (Target::do_relax): Add parameters for input objects, symbol table
8113         and layout.
8114
8115 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8116
8117         * pread.c: Include stdio.h.
8118
8119 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8120
8121         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8122         defined.
8123
8124 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8125
8126         * dwarf_reader.cc (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         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8132         Change read_shndx type to unsigned int.
8133         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8134         int.
8135         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8136         * layout.cc (Layout::create_symtab_sections): Cast the result of
8137         local_symcount * symsize to off_t in the gold_assert.
8138
8139 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8140
8141         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8142         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8143         R_ARM_BASE_ABS.
8144         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8145         (Arm_relocate_functions::thm_abs5): New function.
8146         (Arm_relocate_functions::abs12): New function.
8147         (Arm_relocate_functions::abs16): New function.
8148         (Arm_relocate_functions::base_abs): New function.
8149         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8150         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8151         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8152         R_ARM_BASE_ABS.
8153         (Scan::global): Likewise.
8154         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8155         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8156         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8157         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8158         R_ARM_BASE_ABS.
8159
8160 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8161
8162         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8163         (Arm_relocate_functions::movt_prel): New function.
8164         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8165         (Arm_relocate_functions::thm_movt_prel): New function.
8166         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8167         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8168         (Scan::global, Relocate::relocate): Likewise.
8169         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8170
8171 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8172
8173         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8174         Incremental_checker.
8175         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8176         unsigned int.
8177         (class Incremental_inputs_header): New class.
8178         (Incremental_inputs_header_writer): Edit comment.
8179         (Incremental_inputs_entry): New class.
8180         (Incremental_inputs_entry_writer): Edit comment.
8181         (Sized_incremental_binary::do_find_incremental_inputs_section):
8182         Add *strtab_shndx parameter, fill it.
8183         (Sized_incremental_binary::do_check_inputs): New method.
8184         (Incremental_checker::can_incrementally_link_output_file): Use
8185         Sized_incremental_binary::check_inputs.
8186         (Incremental_inputs::report_command_line): Save command line in
8187         command_line_.
8188         * incremental.h:
8189         (Incremental_binary::find_incremental_inputs_section): New
8190         method.
8191         (Incremental_binary::do_find_incremental_inputs_section): Add
8192         strtab_shndx parameter.
8193         (Incremental_binary::do_check_inputs): New pure virtual method.
8194         (Sized_incremental_binary::do_check_inputs): Declare.
8195         (Incremental_checker::Incremental_checker): Add incremental_inputs
8196         parameter, use it to initialize incremental_inputs_.
8197         (Incremental_checker::incremental_inputs_): New field.
8198         (Incremental_checker::command_line): New method.
8199         (Incremental_checker::inputs): New method.
8200         (Incremental_checker::command_line_): New field.
8201
8202 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8203
8204         * incremental.cc: Include <cstdarg> and "target-select.h".
8205         (vexplain_no_incremental): New function.
8206         (explain_no_incremental): New function.
8207         (Incremental_binary::error): New method.
8208         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8209         method.
8210         (make_sized_incremental_binary): New function.
8211         (open_incremental_binary): New function.
8212         (can_incrementally_link_file): Add checks if output is ELF and has
8213         inputs section.
8214         * incremental.h: Include "elfcpp_file.h" and "output.h".
8215         (Incremental_binary): New class.
8216         (Sized_incremental_binary): New class.
8217         (open_incremental_binary): Declare.
8218         * object.cc (is_elf_object): Use
8219         elfcpp::Elf_recognizer::is_elf_file.
8220         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8221         * output.h (Output_file::filesize): New method.
8222
8223 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8224
8225         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8226         New function.
8227         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8228         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8229         function.
8230         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8231         function.
8232         (Arm_relocate_functions::movw_abs_nc): New function.
8233         (Arm_relocate_functions::movt_abs): New function.
8234         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8235         (Arm_relocate_functions::thm_movt_abs): New function.
8236         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8237         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8238         (Scan::global): Likewise.
8239         (Relocate::relocate): Likewise.
8240         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8241
8242 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8243
8244         * arm.cc (Arm_relocate_functions::got_prel) New function.
8245         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8246         (Relocate::relocate): Likewise.
8247         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8248
8249 2009-10-06  Ian Lance Taylor  <iant@google.com>
8250
8251         * options.h (class General_options): Define
8252         split_stack_adjust_size parameter.
8253         * object.h (class Object): Add uses_split_stack_ and
8254         has_no_split_stack_ fields.  Add uses_split_stack and
8255         has_no_split_stack accessor functions.  Declare
8256         handle_split_stack_section.
8257         (class Reloc_symbol_changes): Define.
8258         (class Sized_relobj): Define Function_offsets.  Declare
8259         split_stack_adjust, split_stack_adjust_reltype, and
8260         find_functions.
8261         * object.cc (Object::handle_split_stack_section): New function.
8262         (Sized_relobj::do_layout): Call handle_split_stack_section.
8263         * dynobj.cc (Sized_dynobj::do_layout): Call
8264         handle_split_stack_section.
8265         * reloc.cc (Sized_relobj::relocate_sections): Call
8266         split_stack_adjust for executable sections in split_stack
8267         objects.  Pass reloc_map to relocate_section.
8268         (Sized_relobj::split_stack_adjust): New function.
8269         (Sized_relobj::split_stack_adjust_reltype): New function.
8270         (Sized_relobj::find_functions): New function.
8271         * target-reloc.h: Include "object.h".
8272         (relocate_section): Add reloc_symbol_changes parameter.  Change
8273         all callers.
8274         * target.h (class Target): Add calls_non_split method.  Declare
8275         do_calls_non_split virtual method.  Declare match_view and
8276         set_view_to_nop.
8277         * target.cc: Include "elfcpp.h".
8278         (Target::do_calls_non_split): New function.
8279         (Target::match_view): New function.
8280         (Target::set_view_to_nop): New function.
8281         * gold.cc (queue_middle_tasks): Give an error if mixing
8282         split-stack and non-split-stack objects with -r.
8283         * i386.cc (Target_i386::relocate_section): Add
8284         reloc_symbol_changes parameter.
8285         (Target_i386::do_calls_non_split): New function.
8286         * x86_64.cc (Target_x86_64::relocate_section): Add
8287         reloc_symbol_changes parameter.
8288         (Target_x86_64::do_calls_non_split): New function.
8289         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8290         parameter.
8291         * powerpc.cc (Target_powerpc::relocate_section): Add
8292         reloc_symbol_changes parameter.
8293         * sparc.cc (Target_sparc::relocate_section): Add
8294         reloc_symbol_changes parameter.
8295         * configure.ac: Call AM_CONDITIONAL for the default target.
8296         * configure: Rebuild.
8297         * testsuite/Makefile.am (TEST_AS): New variable.
8298         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8299         (check_DATA): Add split_i386 and split_x86_64 files.
8300         (SPLIT_DEFSYMS): Define.
8301         (split_i386_[1234n].o): New targets.
8302         (split_i386_[124]): New targets.
8303         (split_i386_[1234r].stdout): New targets.
8304         (split_x86_64_[1234n].o): New targets.
8305         (split_x86_64_[124]): New targets.
8306         (split_x86_64_[1234r].stdout): New targets.
8307         (MOSTLYCLEANFILES): Add new executables.
8308         * testsuite/split_i386.sh: New file.
8309         * testsuite/split_x86_64.sh: New file.
8310         * testsuite/split_i386_1.s: New file.
8311         * testsuite/split_i386_2.s: New file.
8312         * testsuite/split_i386_3.s: New file.
8313         * testsuite/split_i386_4.s: New file.
8314         * testsuite/split_i386_n.s: New file.
8315         * testsuite/split_x86_64_1.s: New file.
8316         * testsuite/split_x86_64_2.s: New file.
8317         * testsuite/split_x86_64_3.s: New file.
8318         * testsuite/split_x86_64_4.s: New file.
8319         * testsuite/split_x86_64_n.s: New file.
8320         * testsuite/testfile.cc (Target_test): Update relocation_section
8321         function.
8322         * testsuite/Makefile.in: Rebuild.
8323
8324 2009-10-06  Ian Lance Taylor  <iant@google.com>
8325
8326         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8327         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8328         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8329         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8330         the address on ldo_addrs_.
8331         (Target_i386::Relocate::fix_up_ldo): New function.
8332
8333 2009-10-06   Rafael Espindola  <espindola@google.com>
8334
8335         * plugin.cc (add_input_library): New.
8336         (Plugin::load): Add add_input_library to tv.
8337         (Plugin_manager::add_input_file): Add the is_lib argument.
8338         (add_input_file): Update call to Plugin_manager::add_input_file.
8339         (add_input_library): New.
8340         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8341
8342 2009-09-30  Doug Kwan  <dougkwan@google.com>
8343
8344         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8345         symbol and call Symbol::may_need_copy_reloc to determine if
8346         a copy reloc is needed.
8347         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8348         nocopyreloc is given in command line.
8349         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8350         given in command line.
8351         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8352         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8353         of the removed Target_i386::may_need_copy_reloc.
8354         * options.h (copyreloc): New option with default value false.
8355         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8356         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8357         instead of the removed Target_powerpc::may_need_copy_reloc.
8358         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8359         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8360         instead of the removed Target_sparc::may_need_copy_reloc.
8361         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8362         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8363         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8364         instead of the removed Target_x86_64::may_need_copy_reloc.
8365
8366 2009-09-30  Ian Lance Taylor  <iant@google.com>
8367
8368         * object.h (class Object): Remove target_ field, and target,
8369         sized_target, and set_target methods.
8370         (Object::sized_target): Remove.
8371         (class Sized_relobj): Update declarations.  Remove sized_target.
8372         * object.cc (Sized_relobj::setup): Remove target parameter.
8373         Change all callers.
8374         (Input_objects::add_object): Don't do anything with the target.
8375         (make_elf_sized_object): Add punconfigured parameter.  Change all
8376         callers.  Set or test parameter target.
8377         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8378         Change all callers.
8379         * parameters.cc (Parameters::set_target): Change parameter type to
8380         be non-const.
8381         (Parameters::default_target): Remove.
8382         (set_parameters_target): Change parameter type to be non-const.
8383         (parameters_force_valid_target): New function.
8384         (parameters_clear_target): New function.
8385         * parameters.h (class Parameters): Update declarations.  Remove
8386         default_target method.  Add sized_target and clear_target
8387         methods.  Change target_ to be non-const.
8388         (set_parameters_target): Update declaration.
8389         (parameters_force_valid_target): Declare.
8390         (parameters_clear_target): Declare.
8391         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8392         as NULL if we aren't searching.
8393         (Add_symbols::run): Don't check for compatible target.
8394         * fileread.cc (Input_file::open_binary): Call
8395         parameters_force_valid_target.
8396         * gold.cc (queue_middle_tasks): Likewise.
8397         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8398         set_target on object.
8399         * dynobj.h (class Sized_dynobj): Update declarations.
8400         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8401         make_elf_object returns NULL.
8402         (Archive::include_member): Don't check whether object target is
8403         compatible.
8404         * output.cc (Output_section::add_input_section): Get target from
8405         parameters.
8406         (Output_section::relax_input_section): Likewise.
8407         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8408         parameters.
8409         (Sized_relobj::do_scan_relocs): Likewise.
8410         (Sized_relobj::relocate_sections): Likewise.
8411         * resolve.cc (Symbol_table::resolve): Likewise.
8412         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8413         parameter.  Change all callers.
8414         (Symbol_table::add_from_object): Get target from parameters.
8415         (Symbol_table::add_from_relobj): Don't check object target.
8416         (Symbol_table::add_from_dynobj): Likewise.
8417         (Symbol_table::define_special_symbol): Get target from
8418         parameters.
8419         * symtab.h (class Symbol_table): Update declaration.
8420         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8421         parameter.  Change all callers.  Clear parameter target.
8422         (Binary_test): Test target here.
8423         * testsuite/object_unittest.cc (gold_testsuite): Remove
8424         target_test_pointer parameter.  Change all callers.
8425         (Object_test): Test target here.
8426
8427 2009-09-26  Ian Lance Taylor  <iant@google.com>
8428
8429         * testsuite/initpri1.c: Don't try to use constructor priorities if
8430         compiling with gcc before 4.3.
8431
8432 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8433
8434         * testsuite/retain_symbols_file_test.sh (check_present): Change
8435         output file name to retain_symbols_file_test.stdout.
8436         (check_absent): Likewise.
8437
8438 2009-09-18  Craig Silverstein  <csilvers@google.com>
8439
8440         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8441         * options.cc: Include <cerrno> and <fstream>.
8442         (General_options::finalize): Parse -retain-symbols-file tag.
8443         * options.h: New flag.
8444         (General_options): New method should_retain_symbol, new
8445         variable symbols_to_retain.
8446         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8447         should_retain_symbol map.
8448         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8449         * testsuite/Makefile.in: Regenerate.
8450         * testsuite/retain_symbols_file_test.sh: New file.
8451
8452 2009-09-18  Nick Clifton  <nickc@redhat.com>
8453
8454         * po/es.po: Updated Spanish translation.
8455
8456 2009-09-17  Doug Kwan  <dougkwan@google.com>
8457
8458         * debug.h (DEBUG_RELAXATION): New constant.
8459         (DEBUG_ALL): Add DEBUG_RELAXATION.
8460         (debug_string_to_enum): Add relaxation debug option.
8461         * layout.cc
8462         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8463         Layout::Relaxation_debug_check::read_sections,
8464         Layout::Relaxation_debug_check::read_sections): New method definitions.
8465         (Layout::Layout): Initialize data members
8466         record_output_section_data_from_scrips_,
8467         script_output_section_data_list_ and relaxation_debug_check_.
8468         (Layout::save_segments, Layout::restore_segments,
8469         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8470         Layout::relaxation_loop_body): New method definitions.
8471         (Layout::finalize): Support relaxation.  Move section layout code to
8472         Layout::relaxation_loop_body.
8473         (Layout::set_asection_address_from_script): Move code for orphan
8474         section placement out.
8475         (Layout::place_orphan_sections_in_script): New method definition.
8476         * layout.h (Output_segment_headers, Output_file_header):
8477         New forward class declarations.
8478         (Layout::~Layout): Define.
8479         (Layout::new_output_section_data_from_script): New method definition.
8480         (Layout::place_orphan_sections_in_script): New method declaration.
8481         (Layout::Segment_states): New type declaration.
8482         (Layout::save_segments, Layout::restore_segments,
8483         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8484         Layout::relaxation_loop_body): New method declarations.
8485         (Layout::Output_section_data_list): New type declaration.
8486         (Layout::Relaxation_debug_check): New class definition.
8487         (Layout::record_output_section_data_from_script_,
8488         Layout::script_output_section_data_list_, Layout::segment_states_,
8489         Layout::relaxation_debug_check_): New data members.
8490         * output.cc: (Output_section_headers::do_size): New method definition.
8491         (Output_section_headers::Output_section_headers): Move size
8492         computation to Output_section_headers::do_size.
8493         (Output_segment_headers::do_size): New method definition.
8494         (Output_file_header::Output_file_header): Move size computation to
8495         Output_file_header::do_size and call it.
8496         (Output_file_header::do_size): New method definition.
8497         (Output_data_group::Output_data_group): Adjust call to
8498         Output_section_data.
8499         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8500         (Output_symtab_xindex::do_write): Add array bound check.
8501         (Output_section::Input_section::print_to_mapfile): Handle
8502         RELAXED_INPUT_SECTION_CODE.
8503         (Output_section::Output_section): Initialize data member checkpoint_.
8504         (Output_section::~Output_section): Delete checkpoint object pointed
8505         by checkpoint_.
8506         (Output_section::add_input_section): Always add an Input_section if
8507         relaxing.
8508         (Output_section::add_merge_input_section): Add assert.
8509         (Output_section::relax_input_section): New method definition.
8510         (Output_section::set_final_data_size): Set load address to zero for
8511         an unallocated section.
8512         (Output_section::do_address_and_file_offset_have_reset_values):
8513         New method definition.
8514         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8515         Handle relaxed input section.
8516         (Output_section::sort_attached_input_sections): Checkpoint input
8517         section list lazily.
8518         (Output_section::get_input_sections): Change type of input_sections to
8519         list of Simple_input_section pointers.  Checkpoint input section list
8520         lazily.  Also handle relaxed input sections.
8521         (Output_section::add_input_section_for_script): Take a reference to
8522         a Simple_input_section object instead of Relobj pointer and section
8523         index as parameter.  Handle relaxed input sections.
8524         (Output_section::save_states, Output_section::restore_states): New
8525         method definitions.
8526         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8527         (Output_data::is_data_size_fixed): New method definition.
8528         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8529         if it is fixed.
8530         (Output_data::address_and_file_offset_have_reset_values): New method
8531         definition.
8532         (Output_data::do_address_and_file_offset_have_reset_values): New method
8533         definition.
8534         (Output_data::set_data_size): Check that data size is not fixed.
8535         (Output_data::fix_data_size): New method definition.
8536         (Output_data::is_data_size_fixed_): New data member.
8537         (Output_section_headers::set_final_data_size): New method definition.
8538         (Output_section_headers::do_size): New method declaration.
8539         (Output_segment_headers::set_final_data_size): New method definition.
8540         (Output_segment_headers::do_size): New method declaration.
8541         (Output_file_header::set_final_data_size)::New method definition.
8542         (Output_file_header::do_size)::New method declaration.
8543         (Output_section_data::Output_section_data): Add new parameter
8544         is_data_size_fixed and use it to fix data size.
8545         (Output_data_const::Output_data_const): Adjust call to base class
8546         constructor and fix data size.
8547         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8548         base class constructor and fix data size.
8549         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8550         base class constructor and fix data size.
8551         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8552         class constructor and fix data size.
8553         (Output_data_group::set_final_data_size): New method definition.
8554         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8555         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8556         class constructor and fix data size.
8557         (Output_relaxed_input_section): New class definition.
8558         (Output_section::Simple_input_section): New class definition.
8559         (Output_section::get_input_sections): Adjust parameter list.
8560         (Output_section::add_input_section_for_script): Same.
8561         (Output_section::save_states, Output_section::restore_states,
8562         Output_section::do_address_and_file_offset_have_reset_values,
8563         (Output_section::Input_section::Input_section): Handle
8564         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8565         Output_relaxed_input_section.
8566         (Output_section::Input_section::is_input_section,
8567         Output_section::Input_section::set_output_section): Handle relaxed
8568         input section.
8569         (Output_section::Input_section::is_relaxed_input_section,
8570         Output_section::Input_section::output_section_data,
8571         Output_section::Input_section::relaxed_input_section): New method
8572         definitions.
8573         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8574         value.
8575         (Output_section::Input_section::u1_): Update comments.
8576         (Output_section::Input_section::u2_): Add new union member poris.
8577         (Output_section::Checkpoint_output_section): New classs definition.
8578         (Output_section::relax_input_section): New method declaration.
8579         (Output_section::checkpoint_): New data member.
8580         (Output_segment): Update comments.
8581         (Output_segment::Output_segment): Un-privatize copy constructor.
8582         (Output_segment::operator=): Un-privatize.
8583         * script-sections.cc (Output_section_element::Input_section_list):
8584         Change element type to Output_section::Simple_input_section.
8585         (Output_section_element_dot_assignment::set_section_addresses):
8586         Register output section data for relaxation clean up.
8587         (Output_data_exression::Output_data_expression): Adjust call to base
8588         constructor to fix data size.
8589         (Output_section_element_data::set_section_addresses): Register
8590         Output_data_expression object for relaxation clean up.
8591         (struct Input_section_info): Replace Relobj pointer and section index
8592         pair with Output_section::Simple_input_section and Convert struct to a
8593         class.
8594         (Input_section_sorter::operator()): Adjust access to
8595         Input_section_info data member to use accessors.
8596         (Output_section_element_input::set_section_addresses): Use layout
8597         parameter.  Adjust code to use Output_section::Simple_input_section
8598         and Input_secction_info classes.  Register filler for relaxation
8599         clean up.
8600         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8601         and section index pair with Output_section::Simple_input_section
8602         class.  Adjust code accordingly.
8603         (Phdrs_element::release_segment): New method definition.
8604         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8605         segment list.
8606         (Script_sections::release_segments): New method definition.
8607         * gold/script-sections.h (Script_sections::release_segments): New
8608         method declaration.
8609         * gold/target.h (Target::may_relax, Target::relax,
8610         Target::do_may_relax, Target::do_relax): New method definitions.
8611
8612 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8613
8614         * arm.cc (has_signed_unsigned_overflow): New function.
8615         (Arm_relocate_functions::abs8): New function.
8616         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8617         (Target_arm::Scan::global): Likewise.
8618         (Target_arm::relocate::relocate): Likewise.
8619         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8620         Likewise.
8621
8622 2009-09-16  Cary Coutant  <ccoutant@google.com>
8623
8624         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8625         * testsuite/Makefile.in: Regenerate.
8626
8627 2009-09-11  Nick Clifton  <nickc@redhat.com>
8628
8629         * po/gold.pot: Updated by the Translation project.
8630
8631 2009-09-08  Cary Coutant  <ccoutant@google.com>
8632
8633         * output.cc (Output_file::open): Add execute permission to empty file.
8634         * testsuite/Makefile.am (permission_test): New test.
8635         * testsuite/Makefile.in: Regenerate.
8636
8637 2009-09-02  Ian Lance Taylor  <iant@google.com>
8638
8639         * output.cc (Output_file::resize): Call map_no_anonymous rather
8640         than map.
8641
8642 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8643
8644         * gold.cc: Include "incremental.h".
8645         (queue_initial_tasks): Call Incremental_checker methods.
8646         * incremental.cc: Include "output.h".
8647         (Incremental_checker::can_incrementally_link_output_file): New
8648         method.
8649         * incremental.h (Incremental_checker): New class.
8650
8651         * output.cc (Output_file::open_for_modification): New method.
8652         (Output_file::map_anonymous): Changed return type to bool.  Record
8653         map in base_ field.
8654         (Output_file::map_no_anonymous): New method, broken out of map.
8655         (Output_file::map): Use map_no_anonymous and map_anonymous.
8656         * output.h (class Output_file): Update declarations.
8657
8658 2009-08-24  Cary Coutant  <ccoutant@google.com>
8659
8660         * options.h (Command_line::Pre_options): New class.
8661         (Command_line::pre_options): New member.
8662         * options.cc (gold::options::ready_to_register): New variable.
8663         (One_option::register_option): Do nothing if not registering options.
8664         Assert if same short option registered twice.
8665         (General_options::General_options): Turn off option registration when
8666         done constructing.
8667         (Command_line::Pre_options::Pre_options): New constructor.
8668
8669 2009-08-24  Cary Coutant  <ccoutant@google.com>
8670
8671         * options.h (General_options::no_keep_memory): Remove incorrect
8672         short option.
8673
8674 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8675
8676         * Makefile.am (am__skiplex, am__skipyacc): New.
8677         * Makefile.in: Regenerate.
8678
8679 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8680
8681         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8682         (INCLUDES): ... this.
8683         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8684         (AM_CPPFLAGS): Renamed from ...
8685         (INCLUDE): ... this.
8686         * Makefile.in, testsuite/Makefile.in: Regenerate.
8687
8688         * Makefile.in: Regenerate.
8689         * aclocal.m4: Likewise.
8690         * config.in: Likewise.
8691         * configure: Likewise.
8692         * testsuite/Makefile.in: Likewise.
8693
8694         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8695         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8696         * Makefile.in: Regenerate.
8697         * testsuite/Makefile.in: Regenerate.
8698
8699 2009-08-19  Cary Coutant  <ccoutant@google.com>
8700
8701         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8702         symbols in shared libraries overridden by hidden or internal symbols
8703         in the main program.
8704
8705 2009-08-19  Chris Demetriou  <cgd@google.com>
8706
8707         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8708         checking source file names in error messages.
8709
8710 2009-08-18  Doug Kwan  <dougkwan@google.com>
8711
8712         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8713         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8714         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8715         an elfcpp::Ehdr as parameter.
8716         * object.cc (Object::set_target): Remove the version that looks up
8717         a target and sets it.
8718         (Sized_relobj::setup): Take a Target object instead of
8719         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8720         (make_elf_sized_object): Find target and ask target to
8721         make an ELF object.
8722         * object.h: (Object::set_target): Remove the version that looks up
8723         a target and sets it.
8724         (Sized_relobj::setup): Take a Target object instead of
8725         an elfcpp:Ehdr as parameter.
8726         * target.cc: Include dynobj.h.
8727         (Target::do_make_elf_object_implementation): New.
8728         (Target::do_make_elf_object): New.
8729         * target.h (Target::make_elf_object): New template declaration.
8730         (Target::do_make_elf_object): New method declarations.
8731         (Target::do_make_elf_object_implementation): New template declaration.
8732
8733 2009-08-14  Ian Lance Taylor  <iant@google.com>
8734
8735         * gold.h (FUNCTION_NAME): Define.
8736         (gold_unreachable): Use FUNCTION_NAME.
8737
8738 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8739
8740         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8741         symbol in the --keep-unique list is not found.
8742
8743 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8744
8745         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8746         been maked as --keep-unique.
8747         (Icf::unfold_section): New function.
8748         * icf.h (Icf::unfold_section): New function.
8749         * options.h (General_options::keep_unique): New option.
8750         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8751         * testsuite/Makefile.in: Regenerate.
8752         * testsuite/icf_keep_unique_test.sh: New file.
8753         * testsuite/icf_keep_unique_test.cc: New file.
8754
8755 2009-08-12  Cary Coutant  <ccoutant@google.com>
8756
8757         PR 10471
8758         * resolve.cc (Symbol_table::resolve): Check for references from
8759         dynamic objects to hidden and internal symbols.
8760         * testsuite/Makefile.am (hidden_test.sh): New test.
8761         * testsuite/Makefile.in: Regenerate.
8762         * testsuite/hidden_test.sh: New script.
8763         * testsuite/hidden_test_1.c: New test source.
8764         * testsuite/hidden_test_main.c: New test source.
8765
8766 2009-08-11  Doug Kwan  <dougkwan@google.com>
8767
8768         * arm.cc: Update comments.
8769         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8770         segment to locate the .ARM.exidx section if present.
8771
8772 2009-08-09  Doug Kwan  <dougkwan@google.com>
8773
8774         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8775         patch.
8776
8777 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8778         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8779         compiler warnings.
8780
8781 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8782
8783         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8784         valid tls_segment only for non-debug-section relocations.
8785         * testsuite/Makefile.am: Add gc_tls_test.
8786         * testsuite/Makefile.in: Regenerate.
8787         * testsuite/gc_tls_test.cc: New file.
8788         * testsuite/gc_tls_test.sh: New file.
8789
8790 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8791
8792         * icf.cc: New file.
8793         * icf.h: New file.
8794         * Makefile.am (CCFILES): Add icf.cc.
8795         (HFILES): Add icf.h
8796         * Makefile.in: Regenerate.
8797         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8798         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8799         section, symbol and addend information for the relocs.
8800         * gold.cc (queue_middle_tasks): Call identical code folding.
8801         * gold.h: Add defines for multimap.
8802         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8803         to the call of finalize_local_symbols.
8804         * main.cc (main): Create object of class Icf.
8805         * object.cc (Sized_relobj::do_layout): Allow this function to be
8806         called twice during icf.
8807         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8808         to sections marked as identical by icf.
8809         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8810         when available.
8811         (Sized_relobj::do_section_entsize): New function.
8812         * object.h (Object::section_entsize): New function.
8813         (Object::do_section_entsize): New pure virtual function.
8814         (Relobj::finalize_local_symbols): Add new parameter.
8815         (Relobj::do_section_entsize): New function.
8816         * options.h (General_options::icf): New option.
8817         (General_options::icf_iterations): New option.
8818         (General_options::print_icf_sections): New option.
8819         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8820         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8821         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8822         icf.
8823         * symtab.cc (Symbol_table::is_section_folded): New function.
8824         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8825         to sections marked as identical by icf.
8826         * symtab.h (Symbol_table::set_icf): New function.
8827         (Symbol_table::icf): New function.
8828         (Symbol_table::is_section_folded): New function.
8829         (Symbol_table::icf_): New data member.
8830         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8831         * testsuite/Makefile.am: Add commands to build icf_test.
8832         * testsuite/Makefile.in: Regenerate.
8833         * testsuite/icf_test.sh: New file.
8834         * testsuite/icf_test.cc: New file.
8835
8836 2009-07-24  Chris Demetriou  <cgd@google.com>
8837
8838         * layout.cc (is_compressible_debug_section): Fix incorrect
8839         comment about compressed section names.
8840
8841 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8842
8843         PR 10419
8844         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8845
8846 2009-07-16  Ian Lance Taylor  <iant@google.com>
8847
8848         PR 10400
8849         * layout.h: #include <map>.
8850         (class Kept_section): Change from struct to class.  Add accessors
8851         and setters.  Add section size to Comdat_group mapping.  Change
8852         Comdat_group to std::map.  Add is_comdat_ field.  Add
8853         linkonce_size field in union.
8854         (class Layout): Update declaration of find_or_add_kept_section.
8855         Don't declare find_kept_object.
8856         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8857         parameter.  Add object, shndx, is_comdat, and is_group_name
8858         parameters.  Change all callers.  Adjust for new Kept_section.
8859         (Layout::find_kept_object): Remove.
8860         * object.cc (Sized_relobj::include_section_group): Update use of
8861         Kept_section.  Rename secnum to shndx.  Only record
8862         Kept_comdat_section if sections are the same size.
8863         (Sized_relobj::include_linkonce_section): Update use of
8864         Kept_section.  Only record Kept_comdat_section if sections are the
8865         same size.  Set size of linkonce section.
8866         (Sized_relobj::map_to_kept_section): Update call to
8867         get_kept_comdat_section.
8868         * object.h (class Sized_relobj): Rename fields in
8869         Kept_comdat_section to drop trailing underscores; change object
8870         field to Relobj*.  Change Kept_comdat_section_table to store
8871         struct rather than pointer.
8872         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8873         Add kept_object and kept_shndx parameters.  Change all callers.
8874         (Sized_relobj::get_kept_comdat_section): Change return type to
8875         bool.  Add kept_object and kept_shndx parameters.  Change all
8876         callers.
8877         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8878         Layout::find_or_add_kept_section.
8879
8880 2009-07-09  Ian Lance Taylor  <iant@google.com>
8881
8882         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8883         Reserve space in the hash table.
8884
8885 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8886
8887         * fileread.cc (File_read::get_mtime): New method.
8888         * fileread.h (Timespec): New structure.
8889         (File_read::get_mtime): New method.
8890         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8891         Renamed from timestamp_nsec.
8892         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8893         Elf_Xword.
8894         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8895         timestamp_nsec.
8896         (Incremental_inputs::report_archive): Save mtime; style fix.
8897         (Incremental_inputs::report_obejct): Save mtime; style fix.
8898         (Incremental_inputs::report_script): Save mtime; style fix.
8899         (Incremental_inputs::finalize_inputs): Style fix.
8900         (Incremental_inputs::finalize): Style fix.
8901         (Incremental_inputs::create_input_section_data): Store inputs
8902         mtime.
8903         * incremental.h (Incremental_inputs::report_script): Add mtime
8904         argument.
8905         (Incremental_inputs::Input_info::Input_info): Intialize only one
8906         union member.
8907         (Incremental_inputs::Input_info::archive): Move to nameless
8908         union.
8909         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8910         (Incremental_inputs::Input_info::script): Move to nameless union.
8911         (Incremental_inputs::mtime): New field.
8912         * script.cc (read_input_script): Pass file mtime to
8913         Incremental_input.
8914         * script.h (Script_info::inputs): Style fix.
8915
8916 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8917
8918         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8919         instead of 32.
8920
8921 2009-06-24  Ian Lance Taylor  <iant@google.com>
8922
8923         PR 10156
8924         * layout.cc (Layout::choose_output_section): If we find an
8925         existing section, update the flags.
8926         (Layout::create_notes): New function, broken out of
8927         Layout::finalize.
8928         (Layout::finalize): Don't create note sections.
8929         (Layout::create_note): Don't crash if linker script discards
8930         section.
8931         (Layout::create_gold_note): Likewise.
8932         (Layout::create_build_id): Likewise.  Don't set
8933         after_input_sections on the section.
8934         (Layout::create_executable_stack_info): Remove target parameter.
8935         Change caller.
8936         * layout.h (class Layout): Declare create_notes.  Update
8937         declaration of create_executable_stack_info.
8938         * gold.cc (queue_middle_tasks): Call create_notes.
8939         * output.cc (Output_section::update_flags_for_input_section): Move
8940         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8941         invalid.
8942         * output.h (Output_data::mark_address_invalid): New function.
8943         (class Output_section): Only declare, not define,
8944         update_flags_for_input_section.  Remove set_flags.
8945
8946 2009-06-24  Ian Lance Taylor  <iant@google.com>
8947
8948         * script-sections.cc (Output_section_definition::
8949         set_section_addresses): Rename shadowing local load_address to
8950         laddr.
8951
8952 2009-06-24  Ian Lance Taylor  <iant@google.com>
8953
8954         PR 10244
8955         * reloc.cc (relocate_sections): Skip empty relocation sections.
8956
8957 2009-06-23  Ian Lance Taylor  <iant@google.com>
8958
8959         PR 10156
8960         * layout.cc (Layout::create_note): Use choose_output_section
8961         rather than make_output_section.
8962
8963 2009-06-23  Ian Lance Taylor  <iant@google.com>
8964
8965         PR 10237
8966         * options.cc (General_options::parse_V): Set printed_version_.
8967         (General_options::General_options): Initialize printed_version_.
8968         * options.h (class General_options): Add printed_version_ field.
8969         * gold.cc (queue_initial_tasks): If there are no input files,
8970         don't give a fatal error if we printed the version information.
8971         (queue_middle_tasks): If using -r with a shared object, give a
8972         fatal error rather than an ordinary error.
8973
8974 2009-06-23  Ian Lance Taylor  <iant@google.com>
8975
8976         PR 10219
8977         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8978         (Layout::make_output_section): Set have_stabstr_section_ if we see
8979         a .stab*str section.
8980         (Layout::finalize): Call link_stabs_sections.
8981         (Layout::link_stabs_sections): New file.
8982         * layout.h (class Layout): Add have_stabstr_section_ field.
8983         Declare link_stabs_sections.
8984
8985 2009-06-23  Doug Kwan  <dougkwan@google.com>
8986
8987         * Makefile.am (libgold_a_LIBADD): New.
8988         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8989         * Makefile.in: Regenerate.
8990         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8991         * configure: Regenerate.
8992         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8993         * fileread.cc: Include sys/state.h
8994         * gold.h: Declare memmem and strndup if found missing.
8995         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8996
8997 2009-06-23  Ian Lance Taylor  <iant@google.com>
8998
8999         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9000         * configure: Rebuild.
9001
9002 2009-06-23  Ian Lance Taylor  <iant@google.com>
9003
9004         PR 10147
9005         * object.cc (Object::section_contents): Don't try to get a view if
9006         the section has length zero.
9007         (Object::handle_gnu_warning_section): If the section is empty, use
9008         the name of the section as the warning.
9009
9010 2009-06-23  Ian Lance Taylor  <iant@google.com>
9011
9012         PR 10133
9013         * stringpool.h (class Stringpool_template): Add optimize_ field.
9014         (Stringpool_template::set_optimize): New function.
9015         * stringpool.cc (Stringpool_template::Stringpool_template):
9016         Initialize optimize_ field.
9017         (Stringpool_template::set_string_offsets): Test local optimize
9018         fild rather than parameter.
9019         * layout.cc (Layout::Layout): Call set_optimize on the section
9020         name stringpool.
9021
9022 2009-06-22  Ian Lance Taylor  <iant@google.com>
9023
9024         PR 10030
9025         * yyscript.y: Parse TARGET.
9026         * script.cc (script_set_target): New function.
9027         * script-c.h (script_set_target): Declare.
9028         * options.cc (General_options::string_to_object_format): Rename
9029         from string_to_object_format in anonymous namespace.  Change
9030         callers.
9031         * options.h (class General_options): Declare
9032         string_to_object_format.
9033
9034 2009-06-22  Ian Lance Taylor  <iant@google.com>
9035
9036         * script-sections.cc (Script_sections::create_segments): Don't put
9037         program headers in a PT_LOAD segment if -n or -N.
9038
9039 2009-06-22  Ian Lance Taylor  <iant@google.com>
9040
9041         PR 10141
9042         * options.h (class General_options): Add -z lazy and -z now.  Sort
9043         -z options into alphabetical order.
9044         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9045
9046 2009-06-21  Ian Lance Taylor  <iant@google.com>
9047
9048         * layout.cc (Layout::make_output_section): Call
9049         Target::new_output_section.
9050         (Layout::attach_allocated_section_to_segment): Put large section
9051         sections in a separate load segment with the large segment flag
9052         set.
9053         (Layout::segment_precedes): Sort large data segments after other
9054         load segments.
9055         (align_file_offset): New static function.
9056         (Layout::set_segment_offsets): Use align_file_offset.
9057         * output.h (class Output_section): Add is_small_section_ and
9058         is_large_section_ fields.
9059         (Output_section::is_small_section): New function.
9060         (Output_section::set_is_small_section):  New function.
9061         (Output_section::is_large_section): New function.
9062         (Output_section::set_is_large_section): New function.
9063         (Output_section::is_large_data_section): New function.
9064         (class Output_segment): Add is_large_data_segment_ field.
9065         (Output_segment::is_large_data_segment): New function.
9066         (Output_segment::set_is_large_data_segment): New function.
9067         * output.cc (Output_section::Output_section): Initialize new
9068         fields.
9069         (Output_segment::Output_segment): Likewise.
9070         (Output_segment::add_output_section): Add assertion that large
9071         data sections always go in large data segments.  Force small data
9072         sections to the end of the list of data sections.  Force small BSS
9073         sections to the start of the list of BSS sections.  For large BSS
9074         sections to the end of the list of BSS sections.
9075         * symtab.h (class Symbol): Declare is_common_shndx.
9076         (Symbol::is_defined): Check Symbol::is_common_shndx.
9077         (Symbol::is_common): Likewise.
9078         (class Symbol_table): Define enum Commons_section_type.  Update
9079         declarations.  Add small_commons_ and large_commons_ fields.
9080         * symtab.cc (Symbol::is_common_shndx): New function.
9081         (Symbol_table::Symbol_table): Initialize new fields.
9082         (Symbol_table::add_from_object): Put small and large common
9083         symbols in the right list.
9084         (Symbol_table::sized_finalized_symbol): Check
9085         Symbol::is_common_shndx.
9086         (Symbol_table::sized_write_globals): Likewise.
9087         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9088         common symbol lists.  Don't call do_allocate_commons_list if the
9089         list is empty.
9090         (Symbol_table::do_allocate_commons_list): Remove is_tls
9091         parameter.  Add comons_section_type parameter.  Change all
9092         callers.  Handle small and large common symbols.
9093         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9094         Symbol::is_common_shndx.
9095         * resolve.cc (symbol_to_bits): Likewise.
9096         * target.h (Target::small_common_shndx): New function.
9097         (Target::small_common_section_flags): New function.
9098         (Target::large_common_shndx): New function.
9099         (Target::large_common_section_flags): New function.
9100         (Target::new_output_section): New function.
9101         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9102         small_common_section_flags, and large_common_section_flags
9103         fields.
9104         (Target::do_new_output_section): New virtual function.
9105         * arm.cc (Target_arm::arm_info): Initialize new fields.
9106         * i386.cc (Target_i386::i386_info): Likewise.
9107         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9108         Likewise.
9109         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9110         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9111         (Target_x86_64::do_new_output_section): New function.
9112         * configure.ac: Define conditional MCMODEL_MEDIUM.
9113         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9114         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9115         (large_LDFLAGS): Define.
9116         * testsuite/large.c: New file.
9117         * testsuite/testfile.cc (Target_test::test_target_info):
9118         Initialize new fields.
9119         * configure, testsuite/Makefile.in: Rebuild.
9120
9121 2009-06-05  Doug Kwan  <dougkwan@google.com>
9122
9123         * Makefile.am (CCFILES): Add target.cc.
9124         * Makefile.in: Regenerate.
9125         * i386.cc (class Target_i386): Define new virtual method to
9126         override do_is_local_label_name in parent.
9127         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9128         local symbols if --discard-locals or -X is given.
9129         * options.h (class General_options): Declare new options
9130         '--discard-locals' and '-X' for discarding locals.
9131         * target.h (class Target): Define new methods is_local_label_name.
9132         Declare new virtual method do_is_local_label_name.
9133         * target.cc: New file.
9134         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9135         (check_SCRIPTS): Add discard_locals_test.sh.
9136         (check_DATA): Add discard_local_tests.syms.
9137         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9138         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9139         * testsuite/Makefile.in: Regenerate.
9140         * testsuite/discard_locals_test.c: New file.
9141         * testsuite/discard_locals_test.sh: Same.
9142
9143 2009-06-05  Doug Kwan  <dougkwan@google.com>
9144
9145         * object.cc (Sized_relobj::Sized_relobj): Initialize
9146         discarded_eh_frame_shndx_ to -1U.
9147         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9148         section.
9149         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9150         a discarded .eh_frame section.
9151         (Sized_relobj::do_finalize_local_symbols): Ditto.
9152         * object.h (class Sized_relobj): Declare new member
9153         discarded_eh_frame_shndx_.
9154         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9155         (local_labels_test.o, local_labels_test): New rules.
9156         * testsuite/Makefile.in: Regenerate.
9157
9158 2009-06-04  Doug Kwan  <dougkwan@google.com>
9159
9160         * layout.cc (Layout::section_name_mapping): Add mapping for
9161         special ARM sections.
9162
9163 2009-06-03  Doug Kwan  <dougkwan@google.com>
9164
9165         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9166         (utils::has_overflow): Same.
9167
9168 2009-06-03  Ian Lance Taylor  <iant@google.com>
9169
9170         * layout.cc (Layout::section_name_mapping): New array, replacing
9171         Layout::linkonce_mapping.
9172         (Layout::section_name_mapping_count): New variable, replacing
9173         Layout::linkonce_mapping_count.
9174         (Layout::linkonce_output_name): Remove.
9175         (Layout::output_section_name): Rewrite.
9176         * layout.h (class Layout): Rename Linkonce_mapping to
9177         Section_name_mapping, linkonce_mapping to section_name_mapping,
9178         linkonce_mapping_count to section_name_mapping_count.  Don't
9179         declare linkonce_output_name.
9180
9181 2009-06-03  Doug Kwan  <dougkwan@google.com>
9182
9183         * gold/arm.cc (namespace utils): New.
9184         (Target_arm::reloc_is_non_pic): Define new method.
9185         (class Arm_relocate_functions): New.
9186         (Target_arm::Relocate::relocate): Handle relocation types used by
9187         Android.
9188
9189 2009-06-03  Ian Lance Taylor  <iant@google.com>
9190
9191         * arm.cc (Target_arm::scan::global): Use || instead of |.
9192
9193 2009-06-02  Doug Kwan  <dougkwan@google.com>
9194
9195         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9196         issued_non_pic_error_.
9197         (class Target_arm::Scan): Declare new method check_non_pic.
9198         Define new method symbol_needs_plt_entry.
9199         Declare new data member issued_non_pic_error_.
9200         (class Target_arm::Relocate): Declare new method
9201         should_apply_static_reloc.
9202         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9203         (Target_arm::Scan::check_non_pic): Define new method.
9204         (Target_arm::Scan::local): Handle a small subset of reloc types used
9205         by Android.
9206         (Target_arm::Scan::local): Same.
9207         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9208
9209 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9210
9211         * incremental.cc (Incremental_inputs::report_command_line): Filter
9212         out --incremental-* options.
9213
9214 2009-05-29  Doug Kwan  <dougkwan@google.com>
9215
9216         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9217         template class.
9218         (class Target_arm): Update comment.
9219         (Target_arm::Target_arm): Initialize new data members GOT_,
9220         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9221         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9222         and Target_arm::rel_dyn_section.
9223         Declare new_enum Target_arm::Got_type.
9224         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9225         and DYNBSS_.
9226         Update commments for member do_dynsym_value.
9227         (Target_arm::got_size, Target_arm::plt_section,
9228         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9229         new methods inside class defintion.
9230         (Target_arm::got_section): Define new method.
9231         (Target_arm::rel_dyn_section): Same.
9232         (Output_data_plt_arm): New template class.
9233         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9234         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9235         (Output_data_plt_arm::add_entry): Same.
9236         (Output_data_plt_arm::first_plt_entry): Define new
9237         static data member for PLT instruction template.
9238         (Output_data_plt_arm::plt_entry): Same.
9239         (Output_data_plt_arm::do_write): Define new method.
9240         (Target_arm::make_plt_entry): Same.
9241         (Target_arm::do_finalize_sections): Same.
9242         (Target_arm::do_dynsym_value): Same.
9243
9244 2009-05-28  Doug Kwan  <dougkwan@google.com>
9245
9246         * Makefile.am (TARGETSOURCES): Add arm.cc.
9247         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9248         * Makefile.in: Regenerate.
9249         * arm.cc: New file.
9250         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9251
9252 2009-05-26  Doug Kwan  <dougkwan@google.com>
9253
9254         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9255         (General_options::check_excluded_libs): Strip off directories in
9256         archive name before matching like GNU ld does.
9257         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9258         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9259         (exclude_libs_test_LDFLAGS): Add linker option
9260         -Wl,--exclude-libs,libexclude_libs_test_3
9261         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9262         an explicit archive without using -l.
9263         (alt/libexclude_libs_test_3.a): New make rule.
9264         * testsuite/Makefile.in: Regenerate.
9265         * testsuite/exclude_libs_test.c : Declare lib3_default().
9266         (main): Call it.
9267         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9268         * exclude_libs_test_3.c: New file.
9269
9270 2009-05-26  Nick Clifton  <nickc@redhat.com>
9271
9272         * po/id.po: New Indonesian translation.
9273         * po/gold.pot: Updated template file.
9274
9275 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9276
9277         * testsuite/Makefile.am: Add -ffunction-sections to compile
9278         gc_comdat_test files.  Add -Wl,--gc-sections to build
9279         gc_comdat_test.
9280         * testsuite/Makefile.in: Regenerate.
9281         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9282
9283 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9284
9285         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9286         kept comdat section was garbage collected.
9287         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9288         * testsuite/Makefile.in: Regenerate.
9289         * testsuite/gc_comdat_test.sh: New file.
9290         * testsuite/gc_comdat_test_1.cc: New file.
9291         * testsuite/gc_comdat_test_2.cc: New file.
9292
9293 2009-05-19  Doug Kwan  <dougkwan@google.com>
9294
9295         * archive.cc (Archive::Archive): Move constructor from archive.h
9296         to here.  Initialize no_export_.
9297         (Archive::get_elf_object_for_member): Set no_export flag of object.
9298         * archive.h (Archive::Archive): Move constructor body to
9299         archive.cc.
9300         (Archive::no_export): New method.
9301         (Archive::no_export_): New field.
9302         * object.h (Object::Object): Initialize no_export_ to false.
9303         (Object::no_export, Object::set_no_export): New methods.
9304         (Object::no_export_): New field.
9305         * options.cc (General_options::parse_exclude_libs): New method.
9306         (General_options::check_excluded_libs) Same.
9307         * options.h (exclude_libs): New option.
9308         (General_options::check_excluded_libs): New method declaration.
9309         (General_options::excluded_libs_): New field.
9310         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9311         default or protected visibility if an object has no-export flag set.
9312         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9313         (check_SCRIPTS): Add exclude_libs_test.sh.
9314         (check_DATA): Add exclude_libs_test.syms.
9315         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9316         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9317         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9318         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9319         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9320         libexclude_libs_test_2.a): New rules.
9321         * testsuite/Makefile.in: Regenerate.
9322         * testsuite/exclude_libs_test.c: New file.
9323         * testsuite/exclude_libs_test.sh: Ditto.
9324         * testsuite/exclude_libs_test_1.c: Ditto.
9325         * testsuite/exclude_libs_test_2.c: Ditto.
9326
9327 2009-05-15  Ian Lance Taylor  <iant@google.com>
9328
9329         * configure.ac: Check for declarations for cases where libiberty.h
9330         checks HAVE_DECL_xxx.
9331         * configure, config.in: Rebuild.
9332
9333 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9334
9335         * gold.h (Incremental_argument_list): Remove (invalid) forward
9336         declaration.
9337         * incremental.cc (Incremental_inputs::report_achive): New method.
9338         (Incremental_inputs::report_object): New method.
9339         (Incremental_inputs::report_script): New method.
9340         (Incremental_inputs::finalize_inputs): New method.
9341         (Incremental_inputs::finalize): Call finalize_inputs().
9342         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9343         Create inputs entries.
9344         * incremental.h (Incremental_input_type): New enum.
9345         (Incremental_inputs::Incremental_input): Initialize new fields.
9346         (Incremental_inputs::report_inputs): New method.
9347         (Incremental_inputs::report_achive): New method.
9348         (Incremental_inputs::report_object): New method.
9349         (Incremental_inputs::report_script): New method.
9350         (Incremental_inputs::finalize_inputs): New method.
9351         (Incremental_inputs::Input_info): New struct.
9352         (Incremental_inputs::Input_info_map): New typedef.
9353         (Incremental_inputs::lock_): New field.
9354         (Incremental_inputs::Inputs_): New field.
9355         (Incremental_inputs::Inputs_map): New field.
9356         * main.cc (main): Call Incremental_input::report_inputs.
9357         * options.h (Input_argument_list): Typedef moved from
9358         Input_arguments.
9359         (Input_file_group::Files): Remove, use ::Input_argument_list.
9360         (Input_file_group::Input_argument_list): Remove, use
9361         ::Input_argument_list.
9362         * plugin.cc (Plugin_manager::add_input_file): Add error in
9363         incremental build.
9364         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9365         functions.
9366         * script.cc (read_input_script): Call
9367         Incremental_input::report_script.
9368         * script.h (Script_info): New class.
9369
9370 2009-04-27  Ian Lance Taylor  <iant@google.com>
9371
9372         * x86_64.cc (do_adjust_output_section): Set entsize to
9373         plt_entry_size.
9374
9375 2009-04-23  Elliott Hughes  <enh@google.com>
9376
9377         * output.cc (Output_file::close): After short writes, continue
9378         writing from the correct offset in the buffer being written.
9379
9380 2009-04-23  Chris Demetriou  <cgd@google.com>
9381
9382         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9383         * configure: Regenerate.
9384         * config.in: Regenerate.
9385         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9386         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9387
9388 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9389
9390         * incremental.cc (Incremental_inputs_header_data): Renamed from
9391         Incremental_input_header_data.
9392         (Incremental_inputs_header_data::data_size): New field.
9393         (Incremental_inputs_header_data::put_input_file_count): Renamed
9394         from input_file_count.
9395         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9396         from command_line_offset.
9397         (Incremental_inputs_header_data::put_reserved): Renamed from
9398         put_reserved.
9399         (Incremental_inputs_entry_data): Renamed from
9400         Incremental_input_entry_data.
9401         (Incremental_inputs_entry_data::data_size): New field.
9402         (Incremental_inputs::report_command_line): New method.
9403         (Incremental_inputs::finalize): New method.
9404         (Incremental_inputs::create_incremental_inputs_data): New method.
9405         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9406         * incremental.h: New file.
9407         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9408        (Layout::finalize): Create incremental inputs section in
9409         incremental builds.
9410        (Layout::create_incremental_info_sections): New method.
9411         * layout.h (Layout::incremental_inputs): New method.
9412        (Layout::create_incremental_info_sections): New method.
9413        (Layout::incremental_inputs_): New field.
9414         * main.cc (main): Notify Incremental_input of the command line.
9415
9416 2009-04-01  Ian Lance Taylor  <iant@google.com>
9417             Mikolaj Zalewski  <mikolajz@google.com>
9418
9419         * gold.h (reserve_unordered_map): Define, three versions, one for
9420         each version of Unordered_map.
9421         * layout.cc (Layout::Layout): Remove options parameter.  Add
9422         number_of_input_files parameter.  Don't initialize options_.
9423         Initialize number_of_input_files_ and resized_signatures_.  Move
9424         sections_are_attached_.
9425         (Layout::layout_group): Reserve space for group_signatures_.
9426         (Layout::find_or_add_kept_section): Change name parameter to be a
9427         reference.  Resize signatures_ map when it gets large enough.
9428         (Layout::layout_eh_frame): Use parameters->options() instead of
9429         this->options_.
9430         (Layout::make_output_section): Likewise.
9431         (Layout::attach_allocated_section_to_segment): Likewise.
9432         (Layout::finalize, Layout::create_executable_stack): Likewise.
9433         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9434         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9435         * layout.h (class Layout): Update declarations.  Remove options_
9436         field.  Add number_of_input_files_ and resized_signatures_
9437         fields.  Move sections_are_attached_ field.
9438         * main.cc (main): Pass number of input files to Layout
9439         constructor.  Don't pass options.
9440
9441 2009-03-30  Ian Lance Taylor  <iant@google.com>
9442
9443         * ffsll.c (ffsll): Correct implementation.
9444
9445 2009-03-27  Ian Lance Taylor  <iant@google.com>
9446
9447         * ffsll.c: New file.
9448         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9449         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9450         * ftruncate.c (ftruncate): Declare before definition.
9451         * mremap.c (mremap): Likewise.
9452         * pread.c (pread): Likewise.
9453         * configure, Makefile.in, config.in: Rebuild.
9454
9455         * mremap.c: New file.
9456         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9457         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9458         (mremap): Declare if HAVE_MREMAP is not defined.
9459         * configure, Makefile.in, config.in: Rebuild.
9460
9461 2009-03-27  Cary Coutant  <ccoutant@google.com>
9462
9463         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9464         position independent.
9465         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9466         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9467
9468 2009-03-24  Cary Coutant  <ccoutant@google.com>
9469
9470         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9471         an executable.
9472         (needs_dynamic_reloc): Likewise.
9473
9474 2009-03-24  Ian Lance Taylor  <iant@google.com>
9475
9476         * yyscript.y (file_cmd): Recognize EXTERN.
9477         (extern_name_list, extern_name_list_body): New nonterminals.
9478         * script.cc (script_add_extern): Define.
9479         * script-c.h (script_add_extern): Declare.
9480
9481 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9482
9483         * object.cc (is_elf_object): Define.
9484         * object.h (is_elf_object): Declare.
9485         * archive.cc (Archive::get_elf_object_for_member): Call
9486         is_elf_object.
9487         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9488
9489 2009-03-24  Elliott Hughes  <enh@google.com>
9490
9491         * output.cc (Output_file::map_anonymous): Define.
9492         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9493         try an anonymous one.  Report the size if the mmap fails.
9494         * output.h (class Output_file): Declare map_anonymous.
9495
9496 2009-03-24  Ian Lance Taylor  <iant@google.com>
9497
9498         * target-select.cc (instantiate_target): Don't acquire the lock if
9499         the instantiated_target_ field has already been set.
9500
9501 2009-03-23  Ian Lance Taylor  <iant@google.com>
9502
9503         * gold-threads.h (class Initialize_lock): Define.
9504         * gold-threads.cc (class Initialize_lock_once): Define.
9505         (initialize_lock_control): New static variable.
9506         (initialize_lock_pointer): New static variable.
9507         (initialize_lock_once): New static function.
9508         (Initialize_lock::Initialize_lock): Define.
9509         (Initialize_lock::initialize): Define.
9510         * target-select.h: Include "gold-threads.h".
9511         (class Target_selector): Add lock_ and initialize_lock_ fields.
9512         Don't define instantiate_target, just declare it.
9513         * target-select.cc (Target_selector::Target_selector): Initialize
9514         new fields.
9515         (Target_selector::instantiate_target): Define.
9516         * descriptors.h: Include "gold-threads.h".
9517         (class Descriptors): Add initialize_lock_ field.
9518         * descriptors.cc (Descriptors::Descriptors): Initialize new
9519         field.
9520         (Descriptors::open): Use initialize_lock_ field
9521         * errors.h (class Errors): Add initialize_lock_ field.
9522         * errors.cc (Errors::Errors): Initialize new field.
9523         (Errors::initialize_lock): Use initialize_lock_ field.
9524         * powerpc.cc (class Target_selector_powerpc): Remove
9525         instantiated_target_ field.  In do_recognize call
9526         instantiate_target rather than do_instantiate_target.  In
9527         do_instantiate_target just allocate a new target.
9528         * sparc.cc (class Target_selector_sparc): Likewise.
9529
9530         * freebsd.h: New file.
9531         * i386.cc: Include "freebsd.h".
9532         (Target_i386): Derive from Target_freebsd rather than
9533         Sized_target.
9534         (Target_selector_i386): Derive from Target_selector_freebsd rather
9535         than Target_selector.
9536         * x86_64.cc: Include "freebsd.h".
9537         (Target_x86_64): Derive from Target_freebsd rather than
9538         Sized_target.
9539         (Target_selector_x86_64): Derive from Target_selector_freebsd
9540         rather than Target_selector.
9541         * target.h (class Target): Add adjust_elf_header and
9542         do_adjust_elf_header.
9543         * output.cc (Output_file_header:: do_sized_write): Call target
9544         adjust_elf_header routine.
9545         * configure.tgt: Set targ_osabi.
9546         * configure.ac: Define GOLD_DEFAULT_OSABI.
9547         * parameters.cc (Parameters::default_target): Pass
9548         GOLD_DEFAULT_OSABI to select_target.
9549         * target-select.h (class Target_selector): Make instantiate_target
9550         protected rather than private.
9551         * Makefile.am (HFILES): Add freebsd.h.
9552         * configure, Makefile.in, config.in: Rebuild.
9553
9554         * merge.cc (do_add_input_section): Correct pend value.  Change
9555         message about last entry not being null terminated from error to
9556         warning.
9557
9558 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9559
9560         * incremental.cc: New file.
9561         * Makefile.am (CCFILES): Add incremental.cc.
9562         * Makefile.in: Rebuild.
9563
9564 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9565
9566         * layout.cc (Layout::output_section_name): Preserve names
9567         of '.note.' sections.
9568
9569 2009-03-19  Ian Lance Taylor  <iant@google.com>
9570
9571         * descriptors.cc (Descriptors::open): Check that the options are
9572         valid before using them.
9573
9574 2009-03-18  Ian Lance Taylor  <iant@google.com>
9575
9576         * script-sections.h: Include <list>.
9577         (class Script_sections): Change Sections_elements from std::vector
9578         to std::list.  Typedef public Elements_iterator.  Add
9579         orphan_section_placement_, data_segment_align_start_, and
9580         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9581         field.
9582         * script-sections.cc (class Orphan_section_placement): New class.
9583         (class Sections_element): Add virtual functions is_relro and
9584         orphan_section_init.  Remove virtual function place_orphan_here.
9585         (class Output_section_definition): Add is_relro and
9586         orphan_section_init.  Remove place_orphan_here.
9587         (class Orphan_output_section): Likewise.
9588         (Script_sections::Script_sections): Update for field changes.
9589         (Script_sections::data_segment_align): Set saw_data_segment_align_
9590         and data_segment_align_start_, not data_segment_align_index.
9591         (Script_sections::data_segment_relro_end): Check
9592         saw_data_segment_align_.  Use data_segment_align_start_ rather
9593         than data_segment_align_index_.
9594         (Script_sections::place_orphan): Rewrite to use
9595         Orphan_section_placement.
9596
9597 2009-03-17  Ian Lance Taylor  <iant@google.com>
9598
9599         * archive.cc (Archive::add_symbols): Check for a version attached
9600         to the symbol name in the archive map.
9601         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9602         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9603         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9604         (ver_test_11.a): New target.
9605         * testsuite/Makefile.in: Rebuild.
9606
9607         * configure.ac: Check for chsize and posix_fallocate.  Replace
9608         ftruncate.
9609         * ftruncate.c: New file, from gnulib.
9610         * output.cc (posix_fallocate): Define dummy version if not
9611         HAVE_POSIX_FALLOCATE.
9612         (Output_file::map): Call posix_fallocate rather than lseek and
9613         write.
9614         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9615         * configure, Makefile.in, config.in: Rebuild.
9616
9617 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9618
9619         * layout.h (Layout::create_note): Add section_name parameter.
9620         * layout.cc (Layout::create_note): Likewise.
9621         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9622
9623 2009-03-17  Ian Lance Taylor  <iant@google.com>
9624
9625         * descriptors.cc: Include "options.h".
9626         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9627         (Descriptors::open): Always use O_CLOEXEC when opening a new
9628         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9629         then set FD_CLOEXEC.
9630
9631         * sparc.cc (class Target_sparc): Add has_got_section.
9632         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9633         make sure we have a GOT section.
9634
9635         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9636         (Target_sparc::Scan::local): Likewise.
9637         (Target_sparc::Scan::global): Likewise.
9638         (Target_sparc::Relocate::relocate): Likewise.
9639         (Target_sparc::Relocate::relocate_tls): Likewise.
9640
9641         * symtab.cc (Symbol_table::define_default_version): New function,
9642         broken out of add_from_object.
9643         (Symbol_table::add_from_object): Call define_default_version.
9644         (Symbol_table::define_special_symbol): Add resolve_oldsym
9645         parameter.  Change all callers.  If the version for a symbol comes
9646         from a version script, resolve it with the symbol with the same
9647         name with no version.  Also add the symbol without a version if
9648         appropriate.
9649         (do_define_in_output_data): If resolving with oldsym, don't delete
9650         sym.
9651         (do_define_in_output_segment): Likewise.
9652         (do_define_as_constant): Likewise.
9653         * symtab.h (class Symbol_table): Update declarations.
9654
9655 2009-03-13  Ian Lance Taylor  <iant@google.com>
9656
9657         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9658         (Read_symbols::requeue): New function.
9659         (Read_symbols::do_read_symbols): If make_elf_object fails because
9660         the target type is not configured, and the file was searched for,
9661         issue a warning and retry with the next directory.
9662         (Add_symbols::run): If the file has an incompatible format, and
9663         it was searched for, requeue the Read_symbols task.  On error,
9664         release the object.
9665         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9666         dirindex parameter to constructor.  Change all callers.  Declare
9667         incompatible_warning and requeue.
9668         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9669         input_argument_ and input_group_ fields.  Add them to
9670         constructor.  Change all callers.
9671         (class Read_script): Add dirindex_ field.  Add it to constructor.
9672         Change all callers.
9673         * archive.cc (Archive::setup): Remove input_objects parameter.
9674         Change all callers.
9675         (Archive::get_file_and_offset): Likewise.
9676         (Archive::read_all_symbols): Likewise.
9677         (Archive::read_symbols): Likewise.
9678         (Archive::get_elf_object_for_member): Remove input_objects
9679         parameter.  Add punconfigured parameter.  Change all callers.
9680         (Archive::add_symbols): Change return type to bool.  Check return
9681         value of include_member.
9682         (Archive::include_all_members): Likewise.
9683         (Archive::include_member): Change return type to bool.  Return
9684         false if first included object has incompatible target.  Set
9685         included_member_ field.
9686         (Add_archive_symbols::run): If add_symbols returns false, requeue
9687         Read_symbols task.
9688         * archive.h (class Archive): Add included_member_ field.
9689         Initialize it in constructor.  Add input_file and searched_for
9690         methods.  Update declarations.
9691         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9692         input_argument_ fields.  Add them to constructor.  Change all
9693         callers.
9694         * script.cc: Include "target-select.h".
9695         (class Parser_closure): Add skip_on_incompatible_target_ and
9696         found_incompatible_target_ fields.  Add
9697         skip_on_incompatible_target parameter to constructor.  Change all
9698         callers.  Add methods skip_on_incompatible_target,
9699         clear_skip_on_incompatible_target, found_incompatible_target, and
9700         set_found_incompatible_target.
9701         (read_input_script): Add dirindex parameter.  Change all callers.
9702         If parser finds an incompatible target, requeue Read_symbols
9703         task.
9704         (script_set_symbol): Clear skip_on_incompatible_target in
9705         closure.
9706         (script_add_assertion, script_parse_option): Likewise.
9707         (script_start_sections, script_add_phdr): Likewise.
9708         (script_check_output_format): New function.
9709         * script.h (read_input_script): Update declaration.
9710         * script-c.h (script_check_output_format): Declare.
9711         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9712         (ignore_cmd): Remove OUTPUT_FORMAT.
9713         * fileread.cc (Input_file::Input_file): Add explicit this.
9714         (Input_file::will_search_for): New function.
9715         (Input_file::open): Add pindex parameter.  Change all callers.
9716         * fileread.h (class Input_file): Add input_file_argument method.
9717         Declare will_search_for.  Update declarations.
9718         * object.cc (make_elf_object): Add punconfigured parameter.
9719         Change all callers.
9720         * object.h (class Object): Make input_file public.  Add
9721         searched_for method.
9722         (make_elf_object): Update declaration.
9723         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9724         restart search.
9725         * dirsearch.h (class Dirsearch): Update declaration.
9726         * options.h (class General_options): Add --warn-search-mismatch.
9727         * parameters.cc (Parameters::is_compatible_target): New function.
9728         * parameters.h (class Parameters): Declare is_compatible_target.
9729         * workqueue.cc (Workqueue::add_blocker): New function.
9730         * workqueue.h (class Workqueue): Declare add_blocker.
9731
9732         * fileread.cc (Input_file::open): Remove options parameter.
9733         Change all callers.
9734         (Input_file::open_binary): Likewise.
9735         * script.cc (read_input_script): Likewise.
9736         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9737         options parameter from constructor.  Change all callers.
9738         (class Read_script): Likewise.
9739         * fileread.h (class Input_file): Update declarations.
9740         * script.h (read_input_script): Update declaration.
9741
9742 2009-03-10  Nick Clifton  <nickc@redhat.com>
9743
9744         * po/es.po: New Spanish translation.
9745
9746 2009-03-06  Cary Coutant  <ccoutant@google.com>
9747
9748         * options.cc (parse_short_option): Keep dash_z from registering itself.
9749
9750 2009-03-03  Ian Lance Taylor  <iant@google.com>
9751
9752         PR 9918
9753         * target-reloc.h (relocate_section): Pass output_section to
9754         relocate.
9755         * i386.cc (Target_i386::should_apply_static_reloc): Add
9756         output_section parameter.  Change all callers.
9757         (Target_i386::Relocate::relocate): Add output_section parameter.
9758         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9759         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9760         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9761         * testsuite/two_file_shared.sh: New script.
9762         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9763         (check_DATA): Add two_file_shared.dbg.
9764         (two_file_shared.dbg): New target.
9765         * testsuite/Makefile.in: Rebuild.
9766
9767 2009-03-01  Ian Lance Taylor  <iant@google.com>
9768
9769         * configure.ac: Check for byteswap.h.
9770         * configure: Rebuild.
9771         * config.in: Rebuild.
9772
9773 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9774
9775         * layout.cc (Layout::find_or_add_kept_section): New function.
9776         (Layout::add_comdat): Removed.
9777         * layout.h (struct Kept_section): Move out of class Layout.
9778         Remove trailing underscores from field names.  Add group_sections
9779         field.  Rename group_ field to is_group.  Change all uses.
9780         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9781         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9782         comdat_groups_ field.
9783         (Sized_relobj::include_section_group): Use
9784         find_or_add_kept_section and Kept_section::group_sections.
9785         (Sized_relobj::include_linkonce_section): Likewise.
9786         * object.cc (class Sized_relobj): Don't define Comdat_group or
9787         Comdat_group_table.  Remove find_comdat_group and
9788         add_comdat_group.  Remove comdat_groups_ field.
9789         * plugin.cc (include_comdat_group): Use
9790         Layout::find_or_add_kept_section.
9791
9792 2009-02-28  Ian Lance Taylor  <iant@google.com>
9793
9794         * README: --gc-sections and map files are now supported.  Document
9795         some build requirements.
9796
9797         PR 6992
9798         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9799         relocatable link set the value of the section symbol to zero.
9800         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9801         relocatable link don't include the section address in the local
9802         symbol value.
9803
9804 2009-02-27  Ian Lance Taylor  <iant@google.com>
9805
9806         PR 6811
9807         * options.h (class Search_directory): Add is_system_directory.
9808         (class General_options): Declare is_in_system_directory.
9809         * options.cc (get_relative_sysroot): Make static.
9810         (get_default_sysroot): Make static.
9811         (General_optoins::is_in_system_directory): New function.
9812         * fileread.cc (Input_file::is_in_system_directory): New function.
9813         * fileread.h (class Input_file): Declare is_in_system_directory.
9814         * object.h (class Object): Add is_in_system_directory.
9815         (class Input_objects): Remove system_library_directory_ field.
9816         * object.cc (Input_objects::add_object): Don't set
9817         system_library_directory_.
9818         (input_objects::found_in_system_library_directory): Remove.
9819         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9820         parameter.  Change all callers.
9821         (Symbol_table::sized_write_globals): Likewise.
9822         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9823         Call Object::is_in_system_directory.
9824         * symtab.h (class Symbol_table): Update declarations.
9825
9826         PR 5990
9827         * descriptors.h (Open_descriptor): Add is_on_stack field.
9828         * descriptors.cc (Descriptors::open): If the descriptor is on the
9829         top of the stack, remove it.  Initialize is_on_stack field.
9830         (Descriptors::release): Only add pod to stack if it is not on the
9831         stack already.
9832         (Descriptors::close_some_descriptor): Clear stack_next and
9833         is_on_stack fields.
9834
9835         PR 7091
9836         * output.cc (Output_section::find_starting_output_address): Rename
9837         from starting_output_address; add PADDR parameter; change return
9838         type.
9839         * output.h (class Output_section): Declare
9840         find_starting_output_address instead of starting_output_address.
9841         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9842         section symbol for which we can't find a merge section.
9843
9844         PR 9836
9845         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9846         hidden or internal, force the symbol to be local.
9847         * resolve.cc (Symbol::override_visibility): Define.
9848         (Symbol::override_base): Use override_visibility.
9849         (Symbol_table::resolve): Likewise.
9850         (Symbol::override_base_with_special): Likewise.
9851         (Symbol_table::override_with_special): If the visibility is hidden
9852         or internal, force the symbol to be local.
9853         * symtab.h (class Symbol): Add set_visibility and
9854         override_visibility.
9855         * testsuite/ver_test_1.sh: New file.
9856         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9857         (check_DATA): Add ver_test_1.syms.
9858         (ver_test_1.syms): New target.
9859         * testsuite/Makefile.in: Rebuild.
9860
9861 2009-02-25  Cary Coutant  <ccoutant@google.com>
9862
9863         * layout.cc (Layout::choose_output_section): Don't rename sections
9864         when using a linker script that has a SECTIONS clause.
9865         * Makefile.in: Regenerate.
9866
9867         * testsuite/Makefile.am (script_test_5.sh): New test case.
9868         * testsuite/Makefile.in: Regenerate.
9869         * testsuite/script_test_5.cc: New file.
9870         * testsuite/script_test_5.sh: New file.
9871         * testsuite/script_test_5.t: New file.
9872
9873 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9874
9875         * archive.cc (Archive::include_member): Update calls to add_symbols.
9876         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9877         the Layout argument.
9878         * dynobj.h (do_add_symbols): Add the Layout argument.
9879         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9880         Layout argument.
9881         * object.h (Object::add_symbols): Add the Layout argument.
9882         (Object::do_add_symbols): Add the Layout argument.
9883         (Sized_relobj::do_add_symbols): Add the Layout argument.
9884         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9885         Unify the two versions.
9886         (Add_plugin_symbols): Remove.
9887         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9888         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9889         (Add_plugin_symbols): Remove.
9890         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9891         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9892         (Add_symbols::run): Make it work with Pulginobj.
9893
9894 2009-02-06  Ian Lance Taylor  <iant@google.com>
9895
9896         * object.cc (Sized_relobj::do_layout): Make info message start
9897         with lower case letter.
9898
9899 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9900
9901         * binary.cc: Fix file comment.
9902
9903         * options.h (enum Incremental_disposition): Define.
9904         (class General_options): Add new options: --incremental,
9905         --incremental_changed, --incremental_unchanged,
9906         --incremental_unknown.  Add incremental_disposition_ and
9907         implicit_incremental_ fields.
9908         (General_options::incremental_disposition): New function.
9909         (class Position_dependent_options): Add incremental_disposition
9910         option.
9911         (Position_dependent_options::copy_from_options): Set incremental
9912         dispositions.
9913         * options.cc (General_options::parse_incremental_changed): New
9914         function.
9915         (General_options::parse_incremental_unchanged): New function.
9916         (General_options::parse_incremental_unknown): New function.
9917         (General_options::General_options): Initialize new fields
9918         incremental_disposition_ and implicit_incremental_.
9919         (General_options::finalize): Check for uasge of --incremental-*
9920         without --incremental.
9921
9922 2009-02-06  Chris Demetriou  <cgd@google.com>
9923
9924         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9925         pointer and to report location as the file name associated with
9926         the symbol.
9927         (gold_undefined_symbol_at_location): New function to replace the
9928         old gold_undefined_symbol functionality.
9929         * target-reloc.h (relocate_section): Update to use
9930         gold_undefined_symbol_at_location.
9931         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9932         Call gold_undefined_symbol function rather than gold_error.
9933         * errors.h (Errors::undefined_symbol): Take location as a
9934         string, rather than calculating it from a relocation.
9935         * errors.cc (Errors::fatal): Print "fatal error:" before the
9936         formatted message.
9937         (Errors::error, Errors::error_at_location): Print "error: "
9938         before the formatted message.
9939         (Errors::undefined_symbol): Take location as a string, rather
9940         than calculating it from a relocation.
9941         (gold_undefined_symbol_at_location): New function akin to
9942         old gold_undefined_symbol, calculates location from relocation.
9943         (gold_undefined_symbol): Change to take only a Symbol pointer
9944         and to report location as the file name associated with the symbol.
9945         * testsuite/debug_msg.sh: Update for changed error messages.
9946         * testsuite/undef_symbol.sh: Likewise.
9947
9948 2009-02-04  Duncan Sands  <baldrick@free.fr>
9949
9950         PR 9812
9951         * reduced_debug_output.h
9952         (Output_reduced_debug_abbrev_section::failed): Use format for
9953         gold_warning.
9954         (Output_reduced_debug_info_section::faild): Likewise.
9955
9956 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9957
9958         * script.cc (Lazy_demangler): New class.
9959         (Version_script_info::get_symbol_version_helper): Demangle a
9960         symbol only once.
9961
9962 2009-01-29  Cary Coutant  <ccoutant@google.com>
9963
9964         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9965         to __tls_get_addr.
9966         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9967
9968 2009-01-28  Ian Lance Taylor  <iant@google.com>
9969
9970         * version.cc (version_string): Bump to 1.9.
9971
9972         * gold.h: Include <cstring> and <stdint.h>.
9973         * version.cc: Include <cstdio>.
9974         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9975         warning.
9976         * reduced_debug_output.cc (insert_into_vector): Rename from
9977         Insert_into_vector; change all callers.  Use Swap_unaligned to
9978         avoid aliasing issue; remove union since it is unnecessary.
9979
9980 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9981
9982         * Makefile.am (CCFILES): Add gc.cc.
9983         (HFILES): Add gc.h.
9984         * Makefile.in: Regenerate.
9985         * gold.cc (Gc_runner): New class.
9986         (queue_initial_tasks): Call garbage collection related tasks
9987         when corresponding options are invoked.
9988         (queue_middle_gc_tasks): New function.
9989         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9990         processed early before laying out sections during garbage collection.
9991         * gold.h (queue_middle_gc_tasks): New function.
9992         (is_prefix_of): Move from "layout.cc".
9993         * i386.cc (Target_i386::gc_process_relocs): New function.
9994         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9995         * main.cc (main): Create object of class "Garbage_collection".
9996         * object.cc (Relobj::copy_symbols_data): New function.
9997         (Relobj::is_section_name_included): New function.
9998         (Sized_relobj::do_layout): Allow this function to be called twice
9999         during garbage collection and defer layout of section during the
10000         first call.
10001         * object.h (Relobj::get_symbols_data): New function.
10002         (Relobj::is_section_name_included): New function.
10003         (Relobj::copy_symbols_data): New function.
10004         (Relobj::set_symbols_data): New function.
10005         (Relobj::get_relocs_data): New function.
10006         (Relobj::set_relocs_data): New function.
10007         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10008         (Relobj::gc_process_relocs): New function.
10009         (Relobj::do_gc_process_relocs): New pure virtual function.
10010         (Relobj::sd_): New data member.
10011         (Sized_relobj::is_output_section_offset_invalid): New function.
10012         (Sized_relobj::do_gc_process_relocs): New function.
10013         * options.h (General_options::gc_sections): Modify to not be a no-op.
10014         (General_options::print_gc_sections): New option.
10015         * plugin.cc (Plugin_finish::run): Remove function call to
10016         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10017         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10018         * reloc.cc (Read_relocs::run): Add task to process relocs and
10019         determine unreferenced sections when doing garbage collection.
10020         (Gc_process_relocs): New class.
10021         (Sized_relobj::do_gc_process_relocs): New function.
10022         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10023         sections that are garbage collected.
10024         * reloc.h (Gc_process_relocs): New class.
10025         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10026         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10027         symbols whose corresponding sections are garbage collected.
10028         (Symbol_table::Symbol_table): Add new parameter for the garbage
10029         collection object.
10030         (Symbol_table::gc_mark_undef_symbols): New function.
10031         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10032         (Symbol_table::gc_mark_dyn_syms): New function.
10033         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10034         as garbage.
10035         (Symbol_table::add_from_object): Likewise.
10036         (Symbol_table::add_from_relobj): When building shared objects, do not
10037         treat externally visible symbols as garbage.
10038         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10039         table information for static and relocatable links.
10040         * symtab.h (Symbol_table::set_gc): New function.
10041         (Symbol_table::gc): New function.
10042         (Symbol_table::gc_mark_undef_symbols): New function.
10043         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10044         (Symbol_table::gc_mark_dyn_syms): New function.
10045         (Symbol_table::gc_): New data member.
10046         * target.h (Sized_target::gc_process_relocs): New pure virtual
10047         function.
10048         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10049         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10050
10051 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10052
10053         * options.h (General_options::gc_sections): Define as a no-op for now.
10054         (General_options::no_keep_memory): Ditto.
10055         (General_options::Bshareable): Define.
10056         * options.cc (General_options::finalize): Honor -Bshareable.
10057
10058 2009-01-20  Andreas Schwab  <schwab@suse.de>
10059
10060         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10061         read the value in the contents, since we don't use it.  Use the
10062         template endianness when writing.
10063         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10064
10065 2009-01-19  Andreas Schwab  <schwab@suse.de>
10066
10067         * configure.tgt (powerpc64-*): Fix targ_obj.
10068
10069 2009-01-15  Ian Lance Taylor  <iant@google.com>
10070
10071         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10072         local symbols when stripping all symbols.
10073
10074 2009-01-14  Cary Coutant  <ccoutant@google.com>
10075
10076         * output.cc (Output_reloc): Add explicit instantiations.
10077
10078 2009-01-14  Cary Coutant  <ccoutant@google.com>
10079
10080         * archive.cc (Archive::get_elf_object_for_member): Remove call
10081         to File_read::claim_for_plugin.
10082         * descriptors.cc (Descriptors::open): Remove reference to
10083         is_claimed.
10084         (Descriptors::claim_for_plugin): Remove.
10085         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10086         (Descriptors::is_claimed): Remove.
10087         (claim_descriptor_for_plugin): Remove.
10088         * fileread.cc (File_read::claim_for_plugin): Remove.
10089         * fileread.h (File_read::claim_for_plugin): Remove.
10090         (File_read::descriptor): Reopen descriptor if necessary.
10091         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10092         (Plugin_manager::all_symbols_read): Add task parameter. Change
10093         all callers.
10094         (Plugin_manager::get_input_file): New function.
10095         (Plugin_manager::release_input_file): New function.
10096         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10097         corresponding data member.
10098         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10099         and pass to base constructor. Change all callers.
10100         (get_input_file, release_input_file): New functions.
10101         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10102         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10103         (Plugin_manager::all_symbols_read): Add task parameter.
10104         (Plugin_manager::get_input_file): New function.
10105         (Plugin_manager::release_input_file): New function.
10106         (Plugin_manager::task_): New data member.
10107         (Pluginobj::Pluginobj): Add filesize parameter.
10108         (Pluginobj::filename): New function.
10109         (Pluginobj::descriptor): New function.
10110         (Pluginobj::filesize): New function.
10111         (Pluginobj::filesize_): New data member.
10112         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10113         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10114         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10115
10116         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10117         with archive libraries.
10118         * testsuite/Makefile.in: Regenerate.
10119         * testsuite/plugin_test.c (struct sym_info): New type.
10120         (get_input_file, release_input_file): New static variables.
10121         (onload): Capture new transfer vector entries.
10122         (claim_file_hook): Stop reading at end of file according to filesize.
10123         Factor out parsing of readelf output into separate function.
10124         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10125         APIs and get the source file name from the symbol table.  Convert
10126         source file name to corresponding object file name.  Print info
10127         message when adding new input files.
10128         (parse_readelf_line): New function.
10129         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10130         * testsuite/plugin_test_2.sh: Likewise.
10131         * testsuite/plugin_test_3.sh: Likewise.
10132         * testsuite/plugin_test_4.sh: New test case.
10133
10134 2009-01-07  Ian Lance Taylor  <iant@google.com>
10135
10136         * version.cc (version_string): Bump to 1.8.
10137
10138 2008-12-23  Cary Coutant  <ccoutant@google.com>
10139
10140         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10141         * plugin.cc (Plugin_manager::finish): Rename as
10142         layout_deferred_objects.  Move cleanup to separate function.
10143         (Plugin_manager::cleanup): New function.
10144         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10145         separately.
10146         * plugin.h (Plugin_manager::finish): Rename as
10147         layout_deferred_objects.
10148         (Plugin_manager::cleanup): New function.
10149         (Plugin_manager::cleanup_done): New field.
10150
10151 2008-12-23  Cary Coutant  <ccoutant@google.com>
10152
10153         * plugin.cc (is_visible_from_outside): New function.
10154         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10155         so we don't return "IR only" status for exported symbols or -r links.
10156
10157         * testsuite/Makefile.am (plugin_test_3): New test case.
10158         * testsuite/Makefile.in: Regenerate.
10159         * testsuite/plugin_test_3.sh: New file.
10160
10161 2008-12-22  Cary Coutant  <ccoutant@google.com>
10162
10163         * object.cc (Sized_relobj::layout_section): New function.
10164         (Sized_relobj::do_layout): Defer layout of input sections until after
10165         plugin has provided replacement files.
10166         (Sized_relobj::do_layout_deferred_sections): New function.
10167         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10168         (Relobj::layout_deferred_sections): New function.
10169         (Relobj::do_layout_deferred_sections): New function.
10170         (Sized_relobj::do_layout_deferred_sections): New function.
10171         (Sized_relobj::layout_section): New function.
10172         (Sized_relobj::Deferred_layout): New structure.
10173         (Sized_relobj::deferred_layout_): New field.
10174         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10175         Change all callers.  Layout deferred sections.
10176         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10177         references.
10178         (Plugin_hook::run): Move code from do_plugin_hook inline.
10179         (Plugin_hook::do_plugin_hook): Remove.
10180         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10181         (Plugin_manager::finish): Renamed, was cleanup.
10182         (Plugin_manager::should_defer_layout): New function.
10183         (Plugin_manager::add_deferred_layout_object): New function.
10184         (Plugin_manager::Deferred_layout_list): New type.
10185         (Plugin_manager::deferred_layout_objects_): New field.
10186         (Plugin_hook::do_plugin_hook): Remove.
10187
10188 2008-12-17  Ian Lance Taylor  <iant@google.com>
10189
10190         * options.h (class General_options): Add --no case for
10191         --export-dynamic.
10192
10193 2008-12-16  Cary Coutant  <ccoutant@google.com>
10194
10195         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10196         vector.
10197         (Plugin_manager::claim_file): Create plugin object even if
10198         plugin did not call the add_symbols callback.
10199         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10200         asking for more symbols than were added.
10201         * testsuite/Makefile.am (plugin_test_1): Add test case with
10202         no global symbols.
10203         (empty.syms): New target.
10204         * testsuite/Makefile.in: Regenerate.
10205         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10206         message. Don't call add_symbols if no globals.
10207         (all_symbols_read_hook): Don't provide replacement for empty
10208         claimed file.
10209
10210 2008-12-12  Ian Lance Taylor  <iant@google.com>
10211
10212         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10213         r_type == 0 for a local symbol with r_sym == 0.
10214         (scan_relocatable_relocs): Pass r_sym to
10215         local_non_section_strategy.
10216         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10217         r_sym parameter.
10218
10219         * configure.ac: Update test for TLS descriptors: they are
10220         supported as of glibc 2.9.
10221         * configure: Rebuild.
10222
10223 2008-12-11  Ian Lance Taylor  <iant@google.com>
10224
10225         PR 7091
10226         * target-reloc.h (Default_scan_relocatable_relocs): For each
10227         function, map r_type == 0 to RELOC_DISCARD.
10228
10229 2008-12-10  Cary Coutant  <ccoutant@google.com>
10230
10231         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10232         object to override a kept COMDAT group from a plugin object.
10233
10234 2008-12-09  Ian Lance Taylor  <iant@google.com>
10235
10236         PR 7088
10237         * yyscript.y (file_cmd): Handle INPUT.
10238
10239         * testsuite/initpri1.c: Change all declarations to be full
10240         prototypes by adding void, to avoid compiler warnings.
10241
10242 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10243
10244         * options.cc (General_options::parse_plugin_opt): New.
10245         (General_options::add_plugin): The argument now is just the filename.
10246         (General_options::add_plugin_option): New.
10247         * options.h (plugin_opt): New.
10248         (add_plugin): Change argument name.
10249         (add_plugin_option): New.
10250         * plugin.cc (Plugin::load): Don't parse the plugin option.
10251         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10252         (Plugin::add_option): New.
10253         (Plugin::args_): Change type.
10254         (Plugin::filename_): New.
10255         (Plugin_manager::add_plugin_option): New.
10256         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10257         * testsuite/Makefile.in: Regenerate.
10258
10259 2008-12-05  Cary Coutant  <ccoutant@google.com>
10260
10261         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10262         Handle --strip-lto-sections option.
10263         * options.h (strip_lto_sections): New option.
10264
10265 2008-12-01  Cary Coutant  <ccoutant@google.com>
10266
10267         * plugin.cc (ld_plugin_message): Change format parameter to const.
10268         Fix mismatch between new[] and delete.
10269
10270 2008-11-14  Cary Coutant  <ccoutant@google.com>
10271
10272         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10273         instead of -1U.
10274
10275 2008-11-05  Craig Silverstein  <csilvers@google.com>
10276
10277         * options.cc (General_options::parse_dynamic_list): New function.
10278         * options.h (General_options): New flags dynamic_list,
10279         dynamic_list_data, dynamic_list_cpp_new, and
10280         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10281         (General_options::in_dynamic_list): New function.
10282         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10283         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10284         (Lex::can_continue_name): Likewise.
10285         (yylex): Likewise.
10286         (read_script_file): New parameter script_options.
10287         (read_dynamic_list): New function.
10288         (Script_options::define_dynamic_list): New function.
10289         (dynamic_list_keyword_parsecodes): New variable.
10290         (dynamic_list_keywords): New variable.
10291         * script.h (Script_options::define_dynamic_list): New function
10292         prototype.
10293         (read_dynamic_list): New function prototype.
10294         * symtab.cc (strprefix): New macro.
10295         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10296         dynamic_list_data, dynamic_list_cpp_new, and
10297         dynamic_list_cpp_typeinfo.
10298         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10299         (dynamic_list_expr): New rule.
10300         (dynamic_list_nodes): Likewise.
10301         (dynamic_list_node): Likewise.
10302         * testsuite/Makefile.am (dynamic_list): New test.
10303         * testsuite/Makefile.in: Regenerated.
10304         * testsuite/dynamic_list.t: New file.
10305         * testsuite/dynamic_list.sh: New file.
10306
10307 2008-11-05  Craig Silverstein  <csilvers@google.com>
10308
10309         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10310         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10311         (t11_last): Likewise.
10312         * testsuite/ver_test_6.c (main): Likewise.
10313
10314 2008-10-07  Cary Coutant  <ccoutant@google.com>
10315
10316         * options.c (General_options::finalize): Add check for -static and
10317         -shared.
10318         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10319         is not empty.
10320
10321 2008-10-02  Cary Coutant  <ccoutant@google.com>
10322
10323         * plugin.cc (make_sized_plugin_object): Fix conditional
10324         compilation to work when not all targets are enabled.
10325
10326 2008-09-29  Cary Coutant  <ccoutant@google.com>
10327
10328         * archive.cc (Archive::get_file_and_offset): Use filename instead
10329         of name to get library path.
10330         (Archive::include_member): Unlock external member of a thin archive.
10331
10332         * testsuite/Makefile.am (TEST_AR): New variable.
10333         (thin_archive_test_1): New test.
10334         (thin_archive_test_2): New test.
10335         * testsuite/Makefile.in: Regenerate.
10336         * testsuite/thin_archive_main.cc: New file.
10337         * testsuite/thin_archive_test_1.cc: New file.
10338         * testsuite/thin_archive_test_2.cc: New file.
10339         * testsuite/thin_archive_test_3.cc: New file.
10340         * testsuite/thin_archive_test_4.cc: New file.
10341
10342 2008-09-29  Cary Coutant  <ccoutant@google.com>
10343
10344         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10345         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10346         instead of -1U.
10347         (Sized_relobj::do_finalize_local_symbols): Likewise.
10348         (Sized_relobj::map_to_kept_section): Likewise.
10349         * object.h (Sized_relobj::invalid_address): New constant.
10350         (Sized_relobj::do_output_section_offset): Check for invalid_address
10351         and return -1ULL.
10352         * output.cc (Output_reloc::local_section_offset): Use constant
10353         invalid_address instead of -1U.
10354         (Output_reloc::get_address): Likewise.
10355         (Output_section::output_address): Change -1U to -1ULL.
10356         * output.h (Output_reloc::invalid_address): New constant.
10357         * reloc.cc (Sized_relobj::write_sections): Use constant
10358         invalid_address instead of -1U.
10359         (Sized_relobj::relocate_sections): Likewise.
10360         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10361         values for merge sections.
10362         * target-reloc.h (relocate_for_relocatable): Use constant
10363         invalid_address instead of -1U.
10364
10365 2008-09-19  Cary Coutant  <ccoutant@google.com>
10366
10367         Add plugin functionality for link-time optimization (LTO).
10368         * configure.ac (plugins): Add --enable-plugins option.
10369         * configure: Regenerate.
10370         * config.in: Regenerate.
10371         * Makefile.am (LIBDL): New variable.
10372         (CCFILES): Add plugin.cc.
10373         (HFILES): Add plugin.h.
10374         (ldadd_var): Add LIBDL.
10375         * Makefile.in: Regenerate.
10376
10377         * archive.cc: Include "plugin.h".
10378         (Archive::setup): Don't preread archive symbols when using a plugin.
10379         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10380         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10381         files.
10382         (Archive::include_member): Add symbols from plugin objects.
10383         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10384         * descriptors.cc (Descriptors::open): Check for file descriptors
10385         abandoned by plugins.
10386         (Descriptors::claim_for_plugin): New function.
10387         * descriptors.h (Descriptors::claim_for_plugin): New function.
10388         (Open_descriptor::is_claimed): New field.
10389         (claim_descriptor_for_plugin): New function.
10390         * fileread.cc (File_read::claim_for_plugin): New function.
10391         * fileread.h (File_read::claim_for_plugin): New function.
10392         (File_read::descriptor): New function.
10393         * gold.cc: Include "plugin.h".
10394         (queue_initial_tasks): Add task to call plugin hooks for generating
10395         new object files.
10396         * main.cc: Include "plugin.h".
10397         (main): Load plugin libraries.
10398         * object.h (Pluginobj): Declare.
10399         (Object::pluginobj): New function.
10400         (Object::do_pluginobj): New function.
10401         (Object::set_target): New function.
10402         * options.cc: Include "plugin.h".
10403         (General_options::parse_plugin): New function.
10404         (General_options::General_options): Initialize plugins_ field.
10405         (General_options::add_plugin): New function.
10406         * options.h (Plugin_manager): Declare.
10407         (General_options): Add --plugin option.
10408         (General_options::has_plugins): New function.
10409         (General_options::plugins): New function.
10410         (General_options::add_plugin): New function.
10411         (General_options::plugins_): New field.
10412         * plugin.cc: New file.
10413         * plugin.h: New file.
10414         * readsyms.cc: Include "plugin.h".
10415         (Read_symbols::do_read_symbols): Check for archive before checking
10416         for ELF file.  Call plugin hooks to claim files.
10417         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10418         from a real object file; force override when processing replacement
10419         files.
10420         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10421         (Symbol::init_base_object): Likewise.
10422         (Symbol::init_base_output_data): Likewise.
10423         (Symbol::init_base_output_segment): Likewise.
10424         (Symbol::init_base_constant): Likewise.
10425         (Symbol::init_base_undefined): Likewise.
10426         (Symbol::output_section): Assert that object is not a plugin.
10427         (Symbol_table::add_from_pluginobj): New function.
10428         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10429         undefined.
10430         (Symbol_table::sized_write_globals): Likewise.
10431         (Symbol_table::add_from_pluginobj): Instantiate template.
10432         * symtab.h (Sized_pluginobj): Declare.
10433         (Symbol::in_real_elf): New function.
10434         (Symbol::set_in_real_elf): New function.
10435         (Symbol::in_real_elf_): New field.
10436         (Symbol_table::add_from_pluginobj): New function.
10437
10438         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10439         (LIBDL): New variable.
10440         (LDADD): Add LIBDL.
10441         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10442         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10443         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10444         (MOSTLYCLEANFILES): Likewise.
10445         * testsuite/Makefile.in: Regenerate.
10446         * testsuite/plugin_test.c: New file.
10447         * testsuite/plugin_test_1.sh: New file.
10448         * testsuite/plugin_test_2.sh: New file.
10449
10450 2008-09-16  Ian Lance Taylor  <iant@google.com>
10451
10452         * target-reloc.h (relocate_section): Check whether a symbol is
10453         defined by the ABI before reporting an undefined symbol error.
10454         * target.h (Target::is_defined_by_abi): Make parameter const.
10455         (Target::do_is_defined_by_abi): Likewise.
10456         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10457         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10458         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10459         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10460         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10461         * testsuite/Makefile.in: Rebuild.
10462
10463         * fileread.cc (make_view): Add casts to avoid warning.
10464
10465 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10466
10467         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10468         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10469
10470 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10471
10472         * options.h (General_options::output_is_executable): New.
10473         (General_options::output_is_pie): New.
10474         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10475         for shared libraries.
10476         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10477
10478 2008-09-11  Chris Demetriou  <cgd@google.com>
10479
10480         * options.h (origin): New -z option.
10481         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10482         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10483         in DT_FLAGS_1.
10484
10485 2008-09-05  Cary Coutant  <ccoutant@google.com>
10486
10487         * fileread.cc (File_read::make_view): Add check for attempt to map
10488         beyond end of file.
10489
10490 2008-09-05  Cary Coutant  <ccoutant@google.com>
10491
10492         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10493         explicit instantiations.
10494
10495 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10496
10497         PR gold/6858
10498         * options.cc (General_options::finalize): Allow undefined symbols
10499         in shlibs if linking -shared.
10500
10501         PR gold/6859
10502         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10503         symbols as not needing a dynsym entry.
10504
10505 2008-08-20  Craig Silverstein  <csilvers@google.com>
10506
10507         * fileread.cc (File_read::open): Do not lock the file unless it
10508         was successfully opened.
10509
10510 2008-08-14  Cary Coutant  <ccoutant@google.com>
10511
10512         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10513         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10514         * testsuite/tls_test.cc (struct int128): 128-bit struct
10515         for testing TLS relocs with non-zero addend.
10516         (v12): New TLS variable.
10517         (t12): New test.
10518         (t_last): Add check for v12.
10519         * testsuite/tls_test.h (t12): New function.
10520         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10521
10522 2008-08-13  Ian Lance Taylor  <iant@google.com>
10523
10524         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10525         set tls_segment_ or relro_segment_.
10526         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10527         when appropriate.
10528         * output.h (Output_section::clear_is_relro): New function.
10529         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10530         sections specially even when output_data_ is empty.
10531         (Output_segment::maximum_alignment): When first section is relro,
10532         only force alignment for PT_LOAD segments.
10533         * script.cc (script_data_segment_align): New function.
10534         (script_data_segment_relro_end): New function.
10535         * script-c.h (script_data_segment_align): Declare.
10536         (script_data_segment_relro_end): Declare.
10537         * script-sections.h (class Script_sections): Declare
10538         data_segment_align and data_segment_relro_end.  Add fields
10539         segment_align_index_ and saw_relro_end_.
10540         * script-sections.cc (class Sections_element): Add set_is_relro
10541         virtual function.  Add new bool* parameter to place_orphan_here.
10542         Add get_output_section virtual function.
10543         (class Output_section_definition): Add set_is_relro.  Add new
10544         bool* parameter to place_orphan_here.  Add get_output_section.
10545         Add is_relro_ field.
10546         (Output_section_definition::Output_section_definition): Initialize
10547         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10548         and is_relro_ fields.
10549         (Output_section_definition::place_orphan_here): Add is_relro
10550         parameter.
10551         (Output_section_definition::set_section_addresses): Set relro for
10552         output section.
10553         (Output_section_definition::alternate_constraint): Likewise.
10554         (class Orphan_output_section): Add new bool* parameter to
10555         place_orphan_here.  Add get_output_section.
10556         (Orphan_output_section::place_orphan_here): Add is_relro
10557         parameter.
10558         (Script_sections::Script_sections): Initialize
10559         data_segment_align_index_ and saw_relro_end_.
10560         (Script_sections::data_segment_align): New function.
10561         (Script_sections::data_segment_relro_end): New function.
10562         (Script_sections::place_orphan): Set or clear is_relro.
10563         (Script_sections::set_section_addresses): Force alignment of first
10564         TLS section.
10565         * yyscript.y (exp): Call script_data_segment_align and
10566         script_data_segment_relro_end.
10567         * testsuite/relro_script_test.t: New file.
10568         * testsuite/relro_test.cc (using_script): Declare.
10569         (t1, t2): Test using_script.
10570         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10571         (relro_script_test_SOURCES): Define.
10572         (relro_script_test_DEPENDENCIES): Define.
10573         (relro_script_test_LDFLAGS): Define.
10574         (relro_script_test_LDADD): Define.
10575         (relro_script_test.so): New target.
10576         * testsuite/Makefile.in: Rebuild.
10577
10578 2008-08-06  Cary Coutant <ccoutant@google.com>
10579
10580         * archive.cc (Archive::total_archives, Archive::total_members)
10581         (Archive::total_members_loaded): New variables.
10582         (Archive::setup): Add parameter.  Add option to preread
10583         archive symbols.
10584         (Archive::read_armap): Add counter.
10585         (Archive::get_file_and_offset): New function.
10586         (Archive::get_elf_object_for_member): New function.
10587         (Archive::read_all_symbols): New function.
10588         (Archive::read_symbols): New function.
10589         (Archive::add_symbols): Add counters.
10590         (Archive::include_all_members): Use armap to find members if it's
10591         already built.
10592         (Archive::include_member): Skip reading symbols if already read.
10593         Factored code into Archive::get_file_and_offset and
10594         Archive::get_elf_object_for_member.  Changed call to
10595         Mapfile::report_include_archive_member.
10596         (Archive::print_stats): New function.
10597         * archive.h: Declare Object and Read_symbols_data classes.
10598         (Archive::Archive): Add initializers for new members.
10599         (Archive::setup): Add parameter.
10600         (Archive::print_stats): New function.
10601         (Archive::total_archives, Archive::total_members)
10602         (Archive::total_members_loaded): New variables.
10603         (Archive::get_file_and_offset): New function.
10604         (Archive::get_elf_object_for_member): New function.
10605         (Archive::read_all_symbols): New function.
10606         (Archive::read_symbols): New function.
10607         (Archive::Archive_member): New class.
10608         (Archive::members_): New member.
10609         (Archive::num_members_): New member.
10610         * main.cc: Include archive.h.
10611         (main): Call Archive::print_stats.
10612         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10613         archive parameter; member_name is now the fully-decorated name.
10614         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10615         * options.h: (General_options): Add --preread-archive-symbols option.
10616         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10617         Archive::setup.
10618
10619 2008-08-04  Ian Lance Taylor  <iant@google.com>
10620
10621         * symtab.h (Symbol::use_plt_offset): New function.
10622         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10623         * powerpc.cc (Relocate::relocate): Likewise.
10624         * sparc.cc (Relocate::relocate): Likewise.
10625         * x86_64.cc (Relocate::relocate): Likewise.
10626         * testsuite/weak_plt.sh: New test.
10627         * testsuite/weak_plt_main.cc: New test.
10628         * testsuite/weak_plt_shared.cc: New test.
10629         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10630         (check_PROGRAMS): Add weak_plt.
10631         (check_DATA): Add weak_plt_shared.so.
10632         (weak_plt_main_pic.o, weak_plt): New targets.
10633         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10634         * testsuite/Makefile.in: Rebuild.
10635
10636         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10637         gcctestdir/ld.
10638         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10639         * testsuite/Makefile.in: Rebuild.
10640
10641 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10642
10643         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10644         * Makefile.in: Regenerate.
10645         * po/POTFILES.in: Regenerate.
10646
10647 2008-07-29  Ian Lance Taylor  <iant@google.com>
10648
10649         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10650         symbols before other symbols.
10651         * testsuite/script_test_2.cc (test_addr): Declare.
10652         (test_addr_alias): Declare.
10653         (main): Check that test_addr and test_addr_alias have the right
10654         values.
10655         * testsuite/script_test_2.t: Define test_addr_alias and
10656         test_addr.
10657
10658 2008-07-24  Ian Lance Taylor  <iant@google.com>
10659
10660         PR 5990
10661         * descriptors.cc: New file.
10662         * descriptors.h: New file.
10663         * gold-threads.h (class Hold_optional_lock): New class.
10664         * fileread.cc: Include "descriptors.h".
10665         (File_read::~File_read): Release descriptor rather than closing
10666         it.
10667         (File_read::open) [file]: Call open_descriptor rather than open.
10668         Set is_descriptor_opened_.
10669         (File_read::open) [memory]: Assert that descriptor is not open.
10670         (File_read::reopen_descriptor): New function.
10671         (File_read::release): Release descriptor.
10672         (File_read::do_read): Make non-const.  Reopen descriptor.
10673         (File_read::read): Make non-const.
10674         (File_read::make_view): Reopen descriptor.
10675         (File_read::do_readv): Likewise.
10676         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10677         Update declarations.
10678         * layout.cc: Include "descriptors.h".
10679         (Layout::create_build_id): Use open_descriptor rather than open.
10680         * output.cc: Include "descriptors.h".
10681         (Output_file::open): Use open_descriptor rather than open.
10682         * archive.cc (Archive::const_iterator): Change Archive to be
10683         non-const.
10684         (Archive::begin, Archive::end): Make non-const.
10685         (Archive::count_members): Likewise.
10686         * archive.h (class Archive): Update declarations.
10687         * object.h (Object::read): Make non-const.
10688         * Makefile.am (CCFILES): Add descriptors.cc.
10689         (HFILES): Add descriptors.h.
10690         * Makefile.in: Rebuild.
10691
10692         PR 6716
10693         * gold.h: Always include <clocale>.  Add Solaris workarounds
10694         following code in binutils/sysdep.h.
10695
10696         PR 6048
10697         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10698         this->eh_frame_hdr_ is NULL before using it.
10699
10700         * dynobj.cc (Versions::Versions): Update comment.
10701
10702         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10703         the base version name.
10704
10705         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10706         array size plus one.
10707         (Stringpool_template::set_string_offsets): Subtract one from key
10708         before using it as an array index.
10709         (Stringpool_template::get_offset_with_length): Likewise.
10710         (Stringpool_template::write_to_buffer): Likewise.
10711         * stringpool.h (Stringpool_template::get_offset_from_key):
10712         Likewise.
10713
10714 2008-07-23  Ian Lance Taylor  <iant@google.com>
10715
10716         PR 6658
10717         * object.h (Merged_symbol_value::value): Do our best to handle a
10718         negative addend.
10719
10720         PR 6647
10721         * script.cc (Version_script_info::get_versions): Don't add empty
10722         version tag to return value.
10723         (Version_script_info::get_symbol_version_helper): Change return
10724         type to bool.  Add pversion parameter.  Change all callers.
10725         (script_register_vers_node): Don't require a non-NULL tag.
10726         * script.h (class Version_script_info): Update declarations.
10727         (Version_script_info::get_symbol_version): Change return type to
10728         bool.  Add version parameter.  Change all callers.
10729         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10730         handling.  Handle an empty version from a version script.
10731         (Symbol_table::define_special_symbol): Likewise.
10732         * testsuite/ver_test_10.script: New file.
10733         * testsuite/ver_test_10.sh: New file.
10734         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10735         (check_DATA): Add ver_test_10.syms.
10736         (ver_test_10.syms, ver_test_10.so): New target.
10737         * testsuite/Makefile.in: Rebuild.
10738
10739 2008-07-23  Simon Baldwin  <simonb@google.com>
10740
10741         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10742         to zero for undefined symbols from dynamic libraries.
10743
10744 2008-07-23  Ian Lance Taylor  <iant@google.com>
10745
10746         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10747         Change all callers.
10748         * symtab.h (class Symbol_table): Update declaration.
10749         * testsuite/ver_test_9.cc: New file.
10750         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10751         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10752         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10753         (ver_test_9.so, ver_test_9.o): New targets.
10754         * testsuite/Makefile.in: Rebuild.
10755
10756 2008-07-22  Ian Lance Taylor  <iant@google.com>
10757
10758         * options.h (class General_options): Define --check-sections.
10759         * layout.cc (Layout::set_segment_offsets): Handle
10760         --check-sections.
10761
10762         * options.h (class General_options): Define -n/--nmagic and
10763         -N/--omagic.
10764         * options.cc (General_options::finalize): For -n/--nmagic or
10765         -N/--omagic, set -static.
10766         * layout.cc (Layout::attach_allocated_section_to_segment): If
10767         -N/--omagic, don't put read-only and read-write sections in
10768         different segments.
10769         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10770         finding a read-only segment.
10771         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10772         don't set the minimum segment alignment to the common page size,
10773         and don't set the file offset to the address modulo the page size.
10774         * script-sections.cc (Script_sections::create_segments): If
10775         -n/--omagic, don't put read-only and read-write sections in
10776         different segments.
10777
10778         * cref.cc: New file.
10779         * cref.h: New file.
10780         * options.h (class General_options): Add --print-symbol-counts.
10781         * main.cc (main): Issue defined symbol report if requested.
10782         * archive.cc (Archive::interpret_header): Make into a const member
10783         function.
10784         (Archive::add_symbols): Call Input_objects::archive_start and
10785         archive_stop.
10786         (Archive::const_iterator): Define new class.
10787         (Archive::begin, Archive::end): New functions.
10788         (Archive::include_all_members): Rewrite to use iterator.
10789         (Archive::count_members): New function.
10790         * archive.h (class Archive): Update declarations.
10791         (Archive::filename): New function.
10792         * object.cc: Include "cref.h".
10793         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10794         (Sized_relobj::do_get_global_symbol_counts): New function.
10795         (Input_objects::add_object): Add object to cross-referencer.
10796         (Input_objects::archive_start): New function.
10797         (Input_objects::archive_stop): New function.
10798         (Input_objects::print_symbol_counts): New function.
10799         * object.h: Declare Cref and Archive.
10800         (Object::get_global_symbol_counts): New function.
10801         (Object::do_get_global_symbol_counts): New pure virtual function.
10802         (class Sized_relobj): Add defined_count_ field.  Update
10803         declarations.
10804         (class Input_objects): Add cref_ field.  Update constructor.
10805         Update declarations.
10806         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10807         defined_count_.
10808         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10809         symbol counts.
10810         (Sized_dynobj::do_get_global_symbol_counts): New function.
10811         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10812         defined_count_.  Update declarations.  Define Symbols typedef.
10813         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10814         parameter.  Change all callers.
10815         (Symbol_table::add_from_dynobj): Add sympointers and defined
10816         parameters.  Change all callers.
10817         * symtab.h (class Symbol_table): Update declarations.
10818         * Makefile.am (CCFILES): Add cref.cc.
10819         (HFILES): Add cref.h.
10820         * Makefile.in: Rebuild.
10821
10822 2008-07-22  Simon Baldwin  <simonb@google.com>
10823
10824         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10825         to zero when writing undefined symbols.
10826
10827 2008-07-22  Ian Lance Taylor  <iant@google.com>
10828
10829         * output.cc (Output_section::add_input_section): Don't try to
10830         merge empty merge sections.
10831
10832 2008-07-21  Craig Silverstein  <csilvers@google.com>
10833
10834         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10835         Include symbol version in error message.
10836
10837 2008-07-20  Chris Demetriou  <cgd@google.com>
10838
10839         * configure.ac (gold_cv_c_random_seed): New configured variable.
10840         (RANDOM_SEED_CFLAGS): New substituted variable.
10841         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10842         * configure: Rebuild.
10843         * Makefile.in: Likewise.
10844         * testsuite/Makefile.in: Likewise.
10845
10846 2008-07-18  Ian Lance Taylor  <iant@google.com>
10847
10848         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10849         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10850         * testsuite/ver_test_main.cc (main): Call t4.
10851         (t4, t4_2a): Define.
10852         * testsuite/ver_test_2.cc (t4_2): Define.
10853         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10854         * testsuite/ver_test_4.cc (t4_2a): Define.
10855         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10856         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10857
10858 2008-07-17  Ian Lance Taylor  <iant@google.com>
10859
10860         * dynobj.cc (Versions::add_def): If we give an error about a
10861         missing version, go ahead and create the version anyhow.
10862
10863 2008-07-10  Ian Lance Taylor  <iant@google.com>
10864
10865         Handle output sections with more than 0x7fffffff bytes.
10866         * object.h (class Relobj): Change map_to_output_ to
10867         output_sections_, and just keep a section pointer.  Change all
10868         uses.  Move comdat group support to Sized_relobj.
10869         (Relobj::is_section_specially_mapped): Remove.
10870         (Relobj::output_section): Remove poff parameter.  Change all
10871         callers.
10872         (Relobj::output_section_offset): New function.
10873         (Relobj::set_section_offset): Rewrite.
10874         (Relobj::map_to_output): Remove.
10875         (Relobj::output_sections): New function.
10876         (Relobj::do_output_section_offset): New pure virtual function.
10877         (Relobj::do_set_section_offset): Likewise.
10878         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10879         group support from Relobj.  Update declarations.
10880         (Sized_relobj::get_output_section_offset): New function.
10881         (Sized_relobj::do_output_section_offset): New function.
10882         (Sized_relobj::do_set_section_offset): New function.
10883         * object.cc (Relobj::output_section_address): Remove.
10884         (Sized_relobj::Sized_relobj): Initialize new fields.
10885         (Sized_relobj::include_section_group): Cast find_kept_object to
10886         Sized_relobj.
10887         (Sized_relobj::include_linkonce_section): Likewise.
10888         (Sized_relobj::do_layout): Use separate arrays for output section
10889         and output offset.
10890         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10891         output_sections.
10892         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10893         output_sections and section_offsets.
10894         (Sized_relobj::write_local_symbols): Likewise.
10895         (map_to_kept_section): Compute output address directly.
10896         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10897         output_sections and section_offsets.
10898         (Sized_relobj::write_sections): Likewise.
10899         (Sized_relobj::relocate_sections): Likewise.
10900         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10901         * output.h (class Output_reloc): Update declarations.  Change
10902         u2_.relobj to Sized_relobj*.
10903         (class Output_data_reloc): Change add functions to use
10904         Sized_relobj*.
10905         * output.cc (Output_reloc::Output_reloc): Change relobj to
10906         Sized_relobj*.
10907         (Output_reloc::local_section_offset): Change return type to
10908         Elf_Addr.  Use get_output_section_offset.
10909         (Output_reloc::get_address): Likewise.
10910         (Output_section::is_input_address_mapped): Don't call
10911         is_section_specially_mapped.
10912         (Output_section::output_offset): Likewise.
10913         (Output_section::output_address): Likewise.
10914         (Output_section::starting_output_address): Likewise.
10915         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10916         parameter to Sized_relobj*.
10917         (Copy_relocs::need_copy_reloc): Likewise.
10918         (Copy_relocs::save): Likewise.
10919         * copy-relocs.h (class Copy_relocs): Update declarations.
10920         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10921         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10922         * target-reloc.h (relocate_for_relocatable): Change
10923         offset_in_output_section type to Elf_Addr.  Change code that uses
10924         it as well.
10925         * layout.cc (Layout::layout): Always set *off.
10926         * mapfile.cc (Mapfile::print_input_section): Use
10927         output_section_offset.
10928         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10929         Sized_relobj*.
10930         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10931         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10932         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10933
10934 2008-07-03  Ian Lance Taylor  <iant@google.com>
10935
10936         * layout.cc (Layout::include_section): Do not discard unrecognized
10937         SHT_STRTAB sections.
10938
10939 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10940
10941         * script.cc (Lex::can_continue_name): Make '?' allowable in
10942         version-script names.
10943         * testsuite/version_script.map: Change glob pattern to use '?'
10944
10945 2008-06-30  Manish Singh  <yosh@gimp.org>
10946
10947         PR 6585
10948         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10949         Correct typo.
10950
10951 2008-06-30  Ian Lance Taylor  <iant@google.com>
10952
10953         PR 6660
10954         PR 6682
10955         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10956         versions]: Don't try to read the value in the contents, since we
10957         don't use it.  Use the template endianness when writing.
10958
10959 2008-06-25  Cary Coutant  <ccoutant@google.com>
10960
10961         * fileread.cc (File_read::make_view): Assert on zero-length view.
10962         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10963         symbol table when there are no symbols to read.
10964
10965 2008-06-23  Craig Silverstein  <csilvers@google.com>
10966
10967         * version.cc (version_string): Bump to 1.7
10968
10969 2008-06-18  Craig Silverstein  <csilvers@google.com>
10970
10971         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10972         constant 0xFFFF to type Valtype.
10973         (Powerpc_relocate_functions::rel16_ha): Likewise.
10974
10975 2008-06-17  Ian Lance Taylor  <iant@google.com>
10976
10977         * output.h (Output_section::Input_section): Initialize p2align_ to
10978         zero for Output_section_data constructors.
10979         (Output_section::Input_section::addralign): If not an input
10980         section, return the alignment of the Output_section_data.
10981         * testsuite/copy_test.cc: New file.
10982         * testsuite/copy_test_1.cc: New file.
10983         * testsuite/copy_test_2.cc: New file.
10984         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10985         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10986         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10987         (copy_test_1_pic.o, copy_test_1.so): New targets.
10988         (copy_test_2_pic.o, copy_test_2.so): New targets.
10989         * testsuite/Makefile.in: Rebuild.
10990
10991         * script-sections.cc (Script_sections::place_orphan): Initialize
10992         local variable exact.
10993
10994 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10995
10996         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10997
10998 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10999             David S. Miller  <davem@davemloft.net>
11000
11001         * powerpc.cc: New file.
11002         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11003         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11004         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11005         * Makefile.in: Rebuild.
11006
11007 2008-06-09  Ian Lance Taylor  <iant@google.com>
11008
11009         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11010         <exception>.
11011         (throwing, orig_terminate): New static variables.
11012         (terminate_handler): New static function.
11013         (t2): Set terminate handler.
11014
11015 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11016
11017         PR 6584
11018         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11019         alignment.
11020
11021 2008-05-30  Cary Coutant  <ccoutant@google.com>
11022
11023         * archive.cc (Archive::include_all_members) Correct to step
11024         over symbol table and extended name table in thin archives.
11025
11026 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11027
11028         PR 6407
11029         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11030         calculation.
11031
11032 2008-05-28  Caleb Howe  <cshowe@google.com>
11033
11034         * reduced_debug_output.cc: New file.
11035         * reduced_debug_output.h: New file.
11036         * options.h (class General_options): Add --strip-debug-non-line.
11037         * options.cc (General_options::finalize): Add strip_debug_non_line
11038         to the strip heirarchy.
11039         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11040         fields.
11041         * layout.cc: Include "reduced_debug_output.h".
11042         (Layout::Layout): Initialize new fields.
11043         (line_only_debug_sections): New static array.
11044         (is_lines_only_debug_sections): New static inline function.
11045         (Layout::include_section): Handle --strip-debug-non-line.
11046         (Layout::make_output_section): If --strip-debug-non-line, build
11047         new output sections for .debug_abbrev and .debug_info.
11048         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11049         gold.  Warn about possible overflow.
11050         (read_signed_LEB_128): Likewise.
11051         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11052         (read_signed_LEB_128): Declare.
11053         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11054         (HFILES): Add reduced_debug_output.h.
11055         * Makefile.in: Rebuild.
11056
11057 2008-05-21  Ian Lance Taylor  <iant@google.com>
11058
11059         * mapfile.cc: New file.
11060         * mapfile.h: New file.
11061         * options.h (class General_options): Add -M/--print-map and -Map.
11062         * options.cc (General_options::finalize): Make -M equivalent to
11063         -Map -.
11064         * main.cc: Include <cstdio> and "mapfile.h".
11065         (main): Open mapfile if requested.
11066         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11067         constructor.  Change caller.
11068         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11069         (queue_middle_tasks): Likewise.
11070         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11071         declarations.
11072         * archive.cc: Include "mapfile.h".
11073         (Archive::add_symbols): Add mapfile parameter.  Change all
11074         callers.  Pass mapfile, symbol, and reason to include_member.
11075         (Archive::include_all_members): Add mapfile parameter.  Change all
11076         callers.
11077         (Archive::include_member): Add mapfile, sym, and why parameters.
11078         Change all callers.  Report inclusion to map file.
11079         * archive.h: Include "fileread.h".
11080         (class Archive): Update declarations.
11081         (Archive::file): New const method.
11082         (class Add_archive_symbols): Add mapfile_ field.  Update
11083         constructor.  Change all callers.
11084         * readsyms.h (class Read_symbols): Likewise.
11085         (class Finish_group): Likewise.
11086         (class Read_script): Likewise.
11087         * common.cc: Include "mapfile.h".
11088         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11089         all callers.
11090         (Symbol_table::do_allocate_commons): Likewise.
11091         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11092         symbol allocation to mapfile.
11093         * common.h (class Allocate_commons_task): Add mapfile_ field.
11094         Update constructor.  Change all callers.
11095         * symtab.h (class Symbol_table): Update declarations.
11096         * layout.cc: Include "mapfile.h".
11097         (Layout_task_runner::run): Print information to mapfile.
11098         (Layout::create_gold_note): Change Output_data_fixed_space to
11099         Output_data_zero_fill.
11100         (Layout::create_build_id): Likewise.
11101         (Layout::print_to_mapfile): New function.
11102         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11103         constructor.  Change caller.
11104         (class Layout): Declare print_to_mapfile.
11105         * output.cc (Output_section::Input_section::print_to_mapfile): New
11106         function.
11107         (Output_section::add_input_section): If producing a map, always
11108         add to input_sections_ list.
11109         (Output_section::do_print_to_mapfile): New function.
11110         (Output_segment::print_sections_to_mapfile): New function.
11111         (Output_segment::print_section_list_to_mapfile): New function.
11112         * output.h: Include "mapfile.h".
11113         (Output_data::print_to_mapfile): New function.
11114         (Output_data::do_print_to_mapfile): New virtual function.
11115         (Output_segment_headers::do_print_to_mapfile): New function.
11116         (Output_file_header::do_print_to_mapfile): New function.
11117         (Output_data_const::do_print_to_mapfile): New function.
11118         (class Output_data_const_buffer): Add map_name_ field.  Update
11119         constructor.  Change all callers.  Add do_print_to_mapfile
11120         function.
11121         (class Output_data_fixed_space): Likewise.
11122         (class Output_data_space): Likewise.
11123         (class Output_data_zero_fill): New class.
11124         (Output_data_strtab::do_print_to_mapfile): New function.
11125         (Output_data_reloc_base::do_print_to_mapfile): New function.
11126         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11127         (Output_data_group::do_print_to_mapfile): New function.
11128         (Output_data_got::do_print_to_mapfile): New function.
11129         (Output_data_dynamic::do_print_to_mapfile): New function.
11130         (Output_symtab_xindex::do_print_to_mapfile): New function.
11131         (class Output_section): Declare do_print_to_mapflie.  Declare
11132         print_to_mapfile in Input_section.
11133         (class Output_segment): Declare new functions.
11134         * object.h (Sized_relobj::symbol_count): New function.
11135         * script-sections.cc
11136         (Output_section_element_dot_assignment::set_section_addresses):
11137         Change Output_data_fixed_space to Output_data_zero_fill.
11138         (Output_data_expression::do_print_to_mapfile): New function.
11139         * script.cc (read_input_script): Add mapfile parameter.  Change
11140         all callers.
11141         * script.h (read_input_script): Update declaration.
11142         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11143         (Eh_frame::do_print_to_mapfile): New function.
11144         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11145         (Output_merge_string::do_print_to_mapfile): New function.
11146         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11147         function.
11148         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11149         function.
11150         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11151         function.
11152         * Makefile.am (CCFILES): Add mapfile.cc.
11153         (HFILES): Add mapfile.h.
11154         * Makefile.in: Rebuild.
11155
11156 2008-05-19  Ian Lance Taylor  <iant@google.com>
11157
11158         * options.h (class General_options): Add -z relro.
11159         * layout.cc (Layout::Layout): Initialize relro_segment_.
11160         (Layout::add_output_section_data): Return the output section.
11161         (Layout::make_output_section): Rcognize relro sections and mark
11162         them appropriately.
11163         (Layout::attach_allocated_section_to_segment): Put relro sections
11164         in a PT_GNU_RELRO segment.
11165         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11166         section as relro.
11167         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11168         PT_TLS segments.
11169         (Layout::linkonce_mapping): Map d.rel.ro.local to
11170         .data.rel.ro.local.
11171         (Layout::output_section_name): Us .data.rel.ro.local for any
11172         section which begins with that.
11173         * layout.h (class Layout): Update add_output_section_data
11174         declaration.  Add relro_segment_ field.
11175         * output.cc (Output_section::Output_section): Initialize is_relro_
11176         and is_relro_local_ fields.
11177         (Output_segment::add_output_section): Group relro sections.
11178         (Output_segment::is_first_section_relro): New function.
11179         (Output_segment::maximum_alignment): If there is a relro section,
11180         align the segment to the common page size.
11181         (Output_segment::set_section_addresses): Track whether we are
11182         looking at relro sections.  If the last section is a relro
11183         section, align to the common page size.
11184         (Output_segment::set_section_list_addresses): Add in_relro
11185         parameter.  Change all callers.  Align to the page size when
11186         moving from relro to non-relro section.
11187         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11188         segment.
11189         * output.h (class Output_section): Add is_relro_ and
11190         is_relro_local_ fields.
11191         (Output_section::is_relro): New function.
11192         (Output_section::set_is_relro): New function.
11193         (Output_section::is_relro_local): New function.
11194         (Output_section::set_is_relro_local): New function.
11195         (class Output_segment): Update declarations.
11196         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11197         * sparc.cc (Target_sparc::got_section): Likewise.
11198         * x86_64.cc (Target_x86_64::got_section): Likewise.
11199         * testsuite/relro_test_main.cc: New file.
11200         * testsuite/relro_test.cc: New file.
11201         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11202         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11203         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11204         (relro_test.so, relro_test_pic.o): New targets.
11205         * testsuite/Makefile.in: Rebuild.
11206
11207 2008-05-16  Ian Lance Taylor  <iant@google.com>
11208
11209         * output.cc (Output_segment::add_output_section): Remove front
11210         parameter.
11211         * output.h (class Output_segment): Remove
11212         add_initial_output_section and overloaded add_output_section.
11213         Update declaration of remaining add_output_section.
11214         * layout.cc (Layout::create_interp): Call add_output_section
11215         rather than add_initial_output_section.
11216         (Layout::finish_dynamic_section): Likewise.
11217
11218         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11219         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11220         know the dynamic type.
11221         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11222         field.  Initialize it in constructor.
11223         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11224         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11225         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11226         reloc.
11227
11228         * output.cc (Output_reloc::get_address): Change return type to
11229         Elf_Addr.
11230         * output.h (class Output_reloc): Update get_address declaration.
11231         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11232         for section addresses.
11233
11234 2008-05-09  Ian Lance Taylor  <iant@google.com>
11235
11236         PR 6493
11237         * gold.cc (gold_nomem): Use return value of write.
11238
11239 2008-05-08  Ian Lance Taylor  <iant@google.com>
11240
11241         * symtab.c (Symbol::init_base_output_data): Add version
11242         parameter.  Change all callers.
11243         (Symbol::init_base_output_segment): Likewise.
11244         (Symbol::init_base_constant): Likewise.
11245         (Symbol::init_base_undefined): Likewise.
11246         (Sized_symbol::init_output_data): Likewise.
11247         (Sized_symbol::init_output_segment): Likewise.
11248         (Sized_symbol::init_constant): Likewise.
11249         (Sized_symbol::init_undefined): Likewise.
11250         (Symbol_table::do_define_in_output_data): If the new symbol has a
11251         version, mark it as the default.
11252         (Symbol_table::do_define_in_output_segment): Likewise.
11253         (Symbol_table::do_define_as_constant): Likewise.
11254         * symtab.h (class Symbol): Update declarations.
11255         (class Sized_symbol): Likewise.
11256         * resolve.cc (Symbol::override_version): New function.
11257         (Symbol::override_base): Call override_version.
11258         (Symbol::override_base_with_special): Likewise.
11259         * testsuite/ver_script_8.script: New file.
11260         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11261         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11262         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11263         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11264
11265 2008-05-06  Ian Lance Taylor  <iant@google.com>
11266
11267         PR 6049
11268         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11269         functions.
11270         (class General_options): Remove existing --undefined, and add
11271         --no-undefined instead.  Add new --undefined as synonym for -u.
11272         * archive.cc (Archive::add_symbols): Check whether symbol was
11273         named with -u.
11274         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11275         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11276         all uses.  Add IS_UNDEFINED.  Update declarations to split
11277         different versions of init_base.  Declare init_base_undefined.
11278         (Symbol::is_defined): Handle IS_UNDEFINED.
11279         (Symbol::is_undefined): Likewise.
11280         (Symbol::is_weak_undefined): Call is_undefined.
11281         (Symbol::is_absolute): Handle IS_CONSTANT.
11282         (class Sized_symbol): Update declarations to split different
11283         versions of init.  Declare init_undefined.
11284         (class Symbol_table): Declare new functions.
11285         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11286         Change all callers.
11287         (Symbol::init_base_output_data): Likewise.
11288         (Symbol::init_base_output_segment): Likewise.
11289         (Symbol::init_base_constant): Likewise.
11290         (Symbol::init_base_undefined): New function.
11291         (Sized_symbol::init_object): Rename from init.  Change all
11292         callers.
11293         (Sized_symbol::init_output_data): Likewise.
11294         (Sized_symbol::init_output_segment): Likewise.
11295         (Sized_symbol::init_constant): Likewise.
11296         (Sized_symbol::init_undefined): New function.
11297         (Symbol_table::add_undefined_symbols_from_command_line): New
11298         function.
11299         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11300         function.
11301         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11302         (Symbol::output_section): Likewise.
11303         (Symbol::set_output_section): Likewise.
11304         (Symbol_table::sized_finalize_symbol): Likewise.
11305         (Symbol_table::sized_write_globals): Likewise.
11306         * resolve.cc (Symbol_table::should_override): Likewise.
11307         (Symbol::override_base_with_special): Likewise.
11308
11309         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11310         symbol, change it to have default visibility.
11311         * testsuite/protected_1.cc: New file.
11312         * testsuite/protected_2.cc: New file.
11313         * testsuite/protected_3.cc: New file.
11314         * testsuite/protected_main_1.cc: New file.
11315         * testsuite/protected_main_2.cc: New file.
11316         * testsuite/protected_main_3.cc: New file.
11317         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11318         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11319         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11320         (protected_1.so): New target.
11321         (protected_1_pic.o, protected_2_pic.o): New targets.
11322         (protected_3_pic.o): New target.
11323         (check_PROGRAMS): Add protected_2.
11324         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11325         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11326         * testsuite/Makefile.in: Rebuild.
11327
11328         * options.h (DEFINE_var): Add set_user_set_##varname__.
11329         (DEFINE_bool_alias): New macro.
11330         (class General_options): Define -Bstatic using DEFINE_bool_alias
11331         rather than DEFINE_special.  Add --undefined as an alias for -z
11332         defs.
11333         * options.cc (General_options::parse_Bstatic): Remove.
11334
11335         * options.h (class General_options): Add --fatal-warnings.
11336         * main.cc (main): Implement --fatal-warnings.
11337         * errors.h (Errors::warning_count): New function.
11338
11339         * options.h (class General_options): Add -Bsymbolic-functions.
11340         * symtab.h (Symbol::is_preemptible): Check for
11341         -Bsymbolic-functions.
11342
11343 2008-05-05  Ian Lance Taylor  <iant@google.com>
11344
11345         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11346         as noVARNAME rather than no-VARNAME.
11347         (class General_options): Add option -z combreloc.
11348         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11349         get_address.
11350         (Output_reloc::sort_before) [SHT_REL]: New function.
11351         (Output_reloc::sort_before) [SHT_RELA]: New function.
11352         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11353         Sort_relocs_comparison.
11354         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11355         parameter.  Change all callers.
11356         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11357         sort_relocs parameter.  Change all callers.
11358         * output.cc (Output_reloc::get_address): New function, broken out
11359         of write_rel.
11360         (Output_reloc::write_rel): Call it.
11361         (Output_reloc::compare): New function.
11362         (Output_data_reloc_base::do_write): Optionally sort relocs.
11363
11364         * configure.ac: If targ_extra_obj is set, link it in.
11365         * configure.tgt: Initialize all variables.
11366         (x86_64*): Set targ_extra_obj and targ_extra_size.
11367         * configure: Rebuild.
11368
11369         * object.cc (Sized_relobj::include_section_group): Adjust section
11370         indexes read from group data.  Build vector to pass to
11371         layout_group.
11372         * layout.cc (Layout::layout_group): Add flags and shndxes
11373         parameters.  Remove contents parameter.  Change caller.  Update
11374         explicit instantiations.
11375         * layout.h (class Layout): Update layout_group declaration.
11376         * output.cc (Output_data_group::Output_data_group): Add flags and
11377         input_shndxes parameters.  Remove contents parameter.  Change
11378         caller.
11379         (Output_data_group::do_write): Change input_sections_ to
11380         input_shndxes_.
11381         * output.h (class Output_data_group): Update constructor
11382         declaration.  Rename input_sections_ to input_shndxes_.
11383         * testsuite/many_sections_test.cc: Add template.
11384
11385 2008-04-30  Cary Coutant  <ccoutant@google.com>
11386
11387         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11388
11389         * layout.cc (Layout::include_section): Refactored check for debug
11390         info section.
11391         (Layout::add_comdat): Add new parameters.  Change type
11392         of signature parameter.  Add object and shndx to signatures table.
11393         (Layout::find_kept_object): New function.
11394         * layout.h: Include <cstring>.
11395         (Layout::is_debug_info_section): New function.
11396         (Layout::add_comdat): Add new parameters.
11397         (Layout::find_kept_object): New function.
11398         (Layout::Kept_section): New struct.
11399         (Layout::Signatures): Change type of map range.
11400         * object.cc (Relobj::output_section_address): New function.
11401         (Sized_relobj::include_section_group): Add new parameters.  Change
11402         calls to Layout::add_comdat.  Change to build table of kept comdat
11403         groups and table mapping discarded sections to kept sections.
11404         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11405         (Sized_relobj::do_layout): Change calls to include_section_group and
11406         include_linkonce_section.
11407         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11408         value to zero when section is discarded.
11409         (Sized_relobj::map_to_kept_section): New function.
11410         * object.h (Relobj::output_section_address): New function.
11411         (Relobj::Comdat_group): New type.
11412         (Relobj::find_comdat_group): New function.
11413         (Relobj::Comdat_group_table): New type.
11414         (Relobj::Kept_comdat_section): New type.
11415         (Relobj::Kept_comdat_section_table): New type.
11416         (Relobj::add_comdat_group): New function.
11417         (Relobj::set_kept_comdat_section): New function.
11418         (Relobj::get_kept_comdat_section): New function.
11419         (Relobj::comdat_groups_): New field.
11420         (Relobj::kept_comdat_sections_): New field.
11421         (Symbol_value::input_value): Update comment.
11422         (Sized_relobj::map_to_kept_section) New function.
11423         (Sized_relobj::include_linkonce_section): Add new parameter.
11424         * target-reloc.h (Comdat_behavior): New type.
11425         (get_comdat_behavior): New function.
11426         (relocate_section): Add code to map a discarded section to the
11427         corresponding kept section when applying a relocation.
11428
11429 2008-04-30  Craig Silverstein  <csilvers@google.com>
11430
11431         * dwarf_reader.cc (next_generation_count): New static var.
11432         (Addr2line_cache_entry): New struct.
11433         (addr2line_cache): New static var.
11434         (Dwarf_line_info::one_addr2line): Added caching.
11435         (Dwarf_line_info::clear_addr2line_cache): New function.
11436         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11437         cache-size parameter.
11438         (Dwarf_line_info::one_addr2line_cache): New function.
11439         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11440         new cache-size argument to one_addr2line(), and clear cache.
11441
11442 2008-04-28  Cary Coutant  <ccoutant@google.com>
11443
11444         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11445         R_386_PC8 relocations.
11446
11447 2008-04-23  Ian Lance Taylor  <iant@google.com>
11448
11449         * object.cc (Sized_relobj::include_section_group): Check for
11450         invalid section group.
11451
11452         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11453         header size.
11454
11455         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11456         than read for file header.
11457         * archive.cc (Archive::include_member): Likewise.
11458
11459 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11460
11461         * aclocal.m4: Regenerate.
11462         * configure: Regenerate.
11463
11464 2008-04-19  Ian Lance Taylor  <iant@google.com>
11465
11466         * version.cc (version_string): Bump to 1.6.
11467
11468         * testsuite/Makefile.am (many_sections_r_test): New target.
11469         (many_sections_r_test_SOURCES): Remove.
11470         (many_sections_r_test_DEPENDENCIES): Remove.
11471         (many_sections_r_test_LDFLAGS): Remove.
11472         (many_sections_r_test_LDADD): Remove.
11473
11474         * object.cc (Sized_relobj::do_add_symbols): Always pass
11475         local_symbol_count_ to add_from_relobj.
11476
11477         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11478         every thousand variables.
11479         * testsuite/Makefile.in: Rebuild.
11480
11481         * object.cc (Xindex::initialize_symtab_xindex): New function.
11482         (Xindex::read_symtab_xindex): New function.
11483         (Xindex::sym_xindex_to_shndx): New function.
11484         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11485         available.
11486         (Sized_relobj::do_initialize_xindex): New function.
11487         (Sized_relobj::do_read_symbols): Adjust section links.
11488         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11489         parameter.  Change all callers.
11490         (Sized_relobj::include_section_group): Adjust section links and
11491         symbol section indexes.
11492         (Sized_relobj::do_layout): Adjust section links.
11493         (Sized_relobj::do_count_local_symbols): Adjust section links and
11494         symbol section indexes.
11495         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11496         ordinary and special symbols.
11497         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11498         dynsym_xindex parameters.  Change all callers.  Adjust section
11499         links.  Use SHN_XINDEX when needed.
11500         (Sized_relobj::get_symbol_location_info): Adjust section links.
11501         Don't get fooled by special symbols.
11502         * object.h (class Xindex): Define.
11503         (class Object): Add xindex_ parameter.  Declare virtual functoin
11504         do_initialize_xindex.
11505         (Object::adjust_sym_shndx): New function.
11506         (Object::set_xindex): New protected function.
11507         (class Symbol_value): Add is_ordinary_shndx_ field.
11508         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11509         (Symbol_value::value): Assert ordinary section.
11510         (Symbol_value::initialize_input_to_output_map): Likewise.
11511         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11512         Change all callers.
11513         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11514         all callers.
11515         (class Sized_relobj): Update declarations.
11516         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11517         parameter.  Change all callers.
11518         (Sized_relobj::adjust_shndx): New function.
11519         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11520         field.
11521         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11522         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11523         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11524         (Sized_dynobj::read_dynsym_section): Adjust section links.
11525         (Sized_dynobj::read_dynamic): Likewise.
11526         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11527         section links.
11528         (Sized_dynobj::do_initialize_xindex): New function.
11529         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11530         do_initialize_xindex.
11531         (Sized_dynobj::adjust_shndx): New function.
11532         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11533         dynsym_xindex_ fields.
11534         (Layout::finalize): Add a call to set_section_indexes before
11535         creating the symtab sections.
11536         (Layout::set_section_indexes): Don't do anything if the section
11537         already has a section index.
11538         (Layout::create_symtab_sections): Add shnum parameter.  Change
11539         caller.  Create .symtab_shndx section if needed.
11540         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11541         caller.
11542         (Layout::allocated_output_section_count): New function.
11543         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11544         needed.
11545         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11546         fields.  Update declarations.
11547         (Layout::symtab_xindex): New function.
11548         (Layout::dynsym_xindex): New function.
11549         (class Write_symbols_task): Add layout_ field.
11550         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11551         Change caller.
11552         * output.cc (Output_section_headers::Output_section_headers): Add
11553         shstrtab_section parameter.  Change all callers.
11554         (Output_section_headers::do_sized_write): Store overflow values
11555         for section count and section string table section index in
11556         section header zero.
11557         (Output_file_header::do_sized_write): Check for overflow of
11558         section count and section string table section index.
11559         (Output_symtab_xindex::do_write): New function.
11560         (Output_symtab_xindex::endian_do_write): New function.
11561         * output.h (class Output_section_headers): Add shstrtab_section_.
11562         Update declarations.
11563         (class Output_symtab_xindex): Define.
11564         (Output_section::has_out_shndx): New function.
11565         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11566         field.
11567         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11568         Change all callers.
11569         (Sized_symbol::init): Likewise.
11570         (Symbol::output_section): Check for ordinary symbol.
11571         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11572         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11573         callers.
11574         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11575         Change all callers.  Simplify handling of symbols from sections
11576         not included in the link.
11577         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11578         distinction.
11579         (Weak_alias_sorter::operator()): Assert that symbols are
11580         ordinary.
11581         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11582         distinction.
11583         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11584         parameters.  Change all callers.
11585         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11586         symbol distinction.  Use SHN_XINDEX when needed.
11587         (Symbol_table::write_section_symbol): Add symtab_xindex
11588         parameter.  Change all callers.
11589         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11590         SHN_XINDEX when needed.
11591         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11592         declarations.
11593         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11594         (Symbol::is_defined): Check is_ordinary.
11595         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11596         (Symbol::is_absolute, Symbol::is_common): Likewise.
11597         (class Sized_symbol): Update declarations.
11598         (class Symbol_table): Update declarations.
11599         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11600         parameters.  Change all callers.
11601         (Sized_symbol::override): Likewise.
11602         (Symbol_table::override): Likewise.
11603         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11604         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11605         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11606         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11607         to be in an ordinary section.
11608         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11609         object and is_ordinary parameters.  Change all callers.
11610         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11611         Change all callers.  Don't add undefined or non-ordinary symbols
11612         to reloc_map_.
11613         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11614         Change all callers.
11615         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11616         declarations.
11617         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11618         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11619         (Sized_relobj::relocate_sections): Likewise.
11620         * target-reloc.h (scan_relocs): Adjust section symbol index.
11621         (scan_relocatable_relocs): Likewise.
11622         * i386.cc (Scan::local): Check for ordinary symbols.
11623         * sparc.cc (Scan::local): Likewise.
11624         * x86_64.cc (Scan::local): Likewise.
11625         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11626         to symbol_section_and_value.
11627         * testsuite/many_sections_test.cc: New file.
11628         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11629         (check_PROGRAMS): Add many_sections_test.
11630         (many_sections_test_SOURCES): Define.
11631         (many_sections_test_DEPENDENCIES): Define.
11632         (many_sections_test_LDFLAGS): Define.
11633         (BUILT_SOURCES): Add many_sections_define.h.
11634         (many_sections_define.h): New target.
11635         (BUILT_SOURCES): Add many_sections_check.h.
11636         (many_sections_check.h): New target.
11637         (check_PROGRAMS): Add many_sections_r_test.
11638         (many_sections_r_test_SOURCES): Define.
11639         (many_sections_r_test_DEPENDENCIES): Define.
11640         (many_sections_r_test_LDFLAGS): Define.
11641         (many_sections_r_test_LDADD): Define.
11642         (many_sections_r_test.o): New target.
11643         * testsuite/Makefile.in: Rebuild.
11644
11645 2008-04-17  Cary Coutant  <ccoutant@google.com>
11646
11647         * errors.cc (Errors::info): New function.
11648         (gold_info): New function.
11649         * errors.h (Errors::info): New function.
11650         * gold.h (gold_info): New function.
11651         * object.cc (Input_objects::add_object): Print trace output.
11652         * options.cc (options::parse_set): New function.
11653         (General_options::parse_wrap): Deleted.
11654         (General_options::General_options): Deleted initializer.
11655         * options.h (options::String_set): New typedef.
11656         (options::parse_set): New function.
11657         (DEFINE_set): New macro.
11658         (General_options::wrap): Changed to use DEFINE_set. Changed
11659         callers of any_wrap_symbols and is_wrap_symbol.
11660         (General_options::trace, General_options::trace_symbol):
11661         New options.
11662         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11663         (General_options::wrap_symbols_): Deleted.
11664         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11665
11666 2008-04-17  David S. Miller  <davem@davemloft.net>
11667
11668         * options.cc (General_options::parse_V): New function.
11669         * options.h: Add entries for -V and -Qy.
11670
11671 2008-04-17  Ian Lance Taylor  <iant@google.com>
11672
11673         * common.cc (Symbol_table::allocate_commons): Remove options
11674         parameter.  Change caller.
11675         (Symbol_table::do_allocate_commons): Remove options parameter.
11676         Change caller.  Just call do_allocate_commons_list twice.
11677         (Symbol_table::do_allocate_commons_list): New function, broken out
11678         of do_allocate_commons.
11679         * common.h (class Allocate_commons_task): Remove options_ field.
11680         Update constructor.
11681         * symtab.cc (Symbol_table::Symbol_table): Initialize
11682         tls_commons_.
11683         (Symbol_table::add_from_object): Put TLS common symbols on
11684         tls_commons_ list.
11685         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11686         which are IN_OUTPUT_DATA.
11687         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11688         allocate_commons and do_allocate_commons declarations.  Declare
11689         do_allocate_commons_list.
11690         * gold.cc (queue_middle_tasks): Update creation of
11691         Allocate_commons_task to not pass options.
11692         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11693         (TLS_TEST_C_FLAGS): New variable.
11694         (tls_test_c_pic.o): New target.
11695         (tls_test_shared.so): Link in tls_test_c_pic.o.
11696         (tls_test_c_pic_ie.o): New target.
11697         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11698         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11699         (tls_test_c.o): New target.
11700         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11701         (tls_pic_test_LDADD): Likewise.
11702         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11703         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11704         (tls_test_c_gnu2.o): New target.
11705         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11706         tls_test_c_gnu2.o.
11707         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11708         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11709         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11710         * testsuite/tls_test.cc: Include "config.h".
11711         (t_last): Call t11_last.
11712         * testsuite/tls_test.h (t11, t11_last): Declare.
11713         * testsuite/tls_test_c.c: New file.
11714         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11715         * configure.ac: Check for OpenMP support.
11716         * configure, config.in, Makefile.in: Rebuild.
11717         * testsuite/Makefile.in: Rebuild.
11718
11719 2008-04-16  Cary Coutant  <ccoutant@google.com>
11720
11721         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11722         (Target_i386::tls_base_symbol_defined_): New field.
11723         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11724         (Target_i386::Scan::global): Likewise.
11725         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11726         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11727         (Target_x86_64::tls_base_symbol_defined_): New field.
11728         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11729         (Target_x86_64::Scan::global): Likewise.
11730
11731 2008-04-16  Cary Coutant  <ccoutant@google.com>
11732
11733         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11734         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11735         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11736         building shared libraries.
11737         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11738         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11739         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11740         * testsuite/Makefile.in: Rebuild.
11741         * testsuite/weak_undef.h: New file.
11742         * testsuite/weak_undef_file1.cc: Add extra test cases.
11743         * testsuite/weak_undef_file2.cc: Likewise.
11744         * testsuite/weak_undef_test.cc: Likewise.
11745
11746 2008-04-16  David S. Miller  <davem@davemloft.net>
11747
11748         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11749         Add issued_non_pic_error_ field.  Declare check_non_pic.
11750         (Target_sparc::Scan::check_non_pic): New function.
11751         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11752         (Target_sparc::Scan::global): Likewise.
11753
11754         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11755         * configure: Rebuild.
11756
11757         * options.h (DEFINE_enable): New macro.
11758         (new_dtags): New enable option.
11759         (initfirst, interpose, loadfltr, nodefaultlib,
11760         nodelete, nodlopen, nodump): New -z options.
11761         * layout.cc (Layout:finish_dynamic_section): If new
11762         dtags enabled, emit DT_RUNPATH.  Also, emit a
11763         DT_FLAGS_1 containing any specified -z flags.
11764
11765 2008-04-16  Ian Lance Taylor  <iant@google.com>
11766
11767         * copy-relocs.cc: New file.
11768         * copy-relocs.h: New file.
11769         * reloc.cc: Remove Copy_relocs code.
11770         * reloc.h: Likewise.
11771         * reloc-types.h (struct Reloc_types) [both versions]: Add
11772         get_reloc_addend_noerror.
11773         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11774         variants of add_global which take an addend which must be zero.
11775         * i386.cc: Include "copy-relocs.h".
11776         (class Target_i386): Change type of copy_relocs_ to variable,
11777         update initializer.
11778         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11779         Change all callers.
11780         (Target_i386::do_finalize_sections): Change handling of
11781         copy_relocs_.
11782         * sparc.cc: Include "copy-relocs.h".
11783         (class Target_sparc): Change type of copy_relocs_ to variable,
11784         update initializer.
11785         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11786         Change all callers.
11787         (Target_sparc::do_finalize_sections): Change handling of
11788         copy_relocs_.
11789         * x86_64.cc: Include "copy-relocs.h".
11790         (class Target_x86_64): Change type of copy_relocs_ to variable,
11791         update initializer.
11792         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11793         class.  Change all callers.
11794         (Target_x86_64::do_finalize_sections): Change handling of
11795         copy_relocs_.
11796         * Makefile.am (CCFILES): Add copy-relocs.cc.
11797         (HFILES): Add copy-relocs.h.
11798
11799         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11800
11801         * testsuite/script_test_4.sh: Permit leading zeroes.
11802
11803 2008-04-15  Ian Lance Taylor  <iant@google.com>
11804
11805         * script-sections.cc (Script_sections::create_segments): Use
11806         header_size_adjustment even when there is enough room for the
11807         headers.
11808         * testsuite/script_test_4.sh: New file.
11809         * testsuite/script_test_4.t: New file.
11810         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11811         (check_DATA): Add script_test_4.stdout.
11812         (MOSTLYCLEANFILES): Likewise.
11813         (script_test_4): New target.
11814         (script_test_4.stdout): New target.
11815         * testsuite/Makefile.in: Rebuild.
11816
11817         * sparc.cc: Add definitions for Output_data_plt_sparc class
11818         constants.
11819
11820 2008-04-14  David S. Miller  <davem@davemloft.net>
11821
11822         * sparc.cc: New file.
11823         * Makefile.am (TARGETSOURCES): Add sparc.cc
11824         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11825         * configure.tgt: Document targ_extra_size and
11826         targ_extra_big_endian.  Add entries for sparc-* and
11827         sparc64-*.
11828         * configure.ac: Handle targ_extra_size and
11829         targ_extra_big_endian.
11830         * Makefile.in: Rebuild.
11831         * configure: Likewise.
11832         * po/POTFILES.in: Likewise.
11833         * po/gold.pot: Likewise.
11834
11835 2008-04-14  Ian Lance Taylor  <iant@google.com>
11836
11837         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11838         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11839         in the name/type/flags to section mapping.  Don't call
11840         allocate_output_section.
11841         (Layout::choose_output_section): Change parameter from adjust_name
11842         to is_input_section.  Don't permit input sections after sections
11843         are attached to segments.  Don't call allocate_output_section.
11844         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11845         not write_enable_output_section.
11846         (Layout::make_output_section): Don't push to
11847         unattached_section_list_ nor call attach_to_segment.  Call
11848         attach_section_to_segment if sections are attached.
11849         (Layout::attach_sections_to_segments): New function.
11850         (Layout::attach_section_to_segment): New function.
11851         (Layout::attach_allocated_section_to_segment): Rename from
11852         attach_to_segment.  Remove flags parameter.
11853         (Layout::allocate_output_section): Remove function.
11854         (Layout::write_enable_output_section): Remove function.
11855         * layout.h (class Layout): Update for above changes.  Add new
11856         field sections_are_attached_.
11857         * output.h (Output_section::update_flags_for_input_section): New
11858         function.
11859         * output.cc (Output_section::add_input_section): Call
11860         update_flags_for_input_section.
11861         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11862
11863 2008-04-11  Cary Coutant  <ccoutant@google.com>
11864
11865         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11866         thought unnecessary.
11867         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11868
11869 2008-04-11  Ian Lance Taylor  <iant@google.com>
11870
11871         * output.h (class Output_section_data): Remove inline definition
11872         of set_addralign.
11873         * output.cc (Output_section_data::set_addralign): New function.
11874
11875 2008-04-11  Cary Coutant  <ccoutant@google.com>
11876
11877         Add support for TLS descriptors for i386 and x86_64.
11878         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11879         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11880         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11881         GOT_TYPE_TLS_DESC.
11882         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11883         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11884         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11885         relocations.
11886         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11887         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11888         Fix problem with initial-exec relocations.
11889         (Target_i386::Relocate::relocate_tls): Likewise.
11890         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11891         relaxation.
11892         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11893         support for section-plus-offset dynamic table entries.
11894         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11895         (Output_data_dynamic::Dynamic_entry): Add support for
11896         section-plus-offset dynamic table entries.
11897         (Output_data_dynamic::Classification): Likewise.
11898         (Output_data_dynamic::classification_): Renamed offset_.
11899         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11900         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11901         (Target_x86_64::make_plt_section): New function.
11902         (Target_x86_64::reserve_tlsdesc_entries): New function.
11903         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11904         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11905         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11906         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11907         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11908         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11909         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11910         add extra PLT entry for TLS descriptors.
11911         (Output_data_plt_x86_64::got_): New field.
11912         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11913         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11914         fields.
11915         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11916         descriptors.
11917         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11918         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11919         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11920         R_386_TLS_DESC_CALL relocations.
11921         (Target_x86_64::Scan::global): Likewise.
11922         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11923         for TLS descriptors.
11924         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11925         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11926         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11927         GD-to-IE relaxation.
11928         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11929         and TLS_DESCRIPTORS.
11930         * Makefile.in: Rebuild.
11931         * configure: Rebuild.
11932         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11933         (tls_test_shared2.so): New target.
11934         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11935         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11936         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11937         (tls_shared_gd_to_ie_test_LDADD): New variable.
11938         (tls_shared_gnu2_gd_to_ie_test): New target.
11939         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11940         New targets.
11941         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11942         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11943         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11944         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11945         (tls_shared_gnu2_test): New target.
11946         (tls_test_gnu2_shared.so): New target.
11947         (tls_shared_gnu2_test_SOURCES): New variable.
11948         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11949         (tls_shared_gnu2_test_LDFLAGS): New variable.
11950         (tls_shared_gnu2_test_LDADD): New variable.
11951         * testsuite/Makefile.in: Rebuild.
11952         * testsuite/Makefile.
11953
11954 2008-04-11  Ian Lance Taylor  <iant@google.com>
11955
11956         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11957         justsyms.t.
11958         * testsuite/Makefile.in: Rebuild.
11959
11960         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11961         long.
11962         * testsuite/script_test_2.cc (main): Adjust test.
11963
11964 2008-04-11  David S. Miller  <davem@davemloft.net>
11965             Ian Lance Taylor  <iant@google.com>
11966
11967         * options.h (General_options): Add entries for '-Y' and
11968         '-relax'.
11969         * options.cc (General_options:finalize): If -Y was used, add those
11970         entries to the library path instead of the default "/lib" and
11971         "/usr/lib".
11972
11973 2008-04-11  David S. Miller  <davem@davemloft.net>
11974
11975         * testsuite/justsyms.t: Start at 0x100.
11976         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11977         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11978         long.
11979         * testsuite/script_test_2.cc: Adjust string and section length
11980         checks.
11981
11982 2008-04-09  Ian Lance Taylor  <iant@google.com>
11983
11984         PR gold/5996
11985         * script-sections.cc (Sections_element::allocate_to_segment): Add
11986         orphan parameter.
11987         (Output_section_definition::allocate_to_segment): Likewise.
11988         (Orphan_output_section::allocate_to_segment): Likewise.
11989         (Script_sections::attach_sections_using_phdrs_clause): Don't
11990         propagate non-PT_LOAD segments to orphan sections.
11991         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11992         readelf rather than objdump.
11993         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11994         .interp section and PT_INTERP segment are the same size.
11995         * testsuite/Makefile.in: Rebuild.
11996
11997         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11998         aliases for symbols defined in the same object.
11999         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12000         (weak_alias_test_SOURCES): New variable.
12001         (weak_alias_test_DEPENDENCIES): New variable.
12002         (weak_alias_test_LDFLAGS): New variable.
12003         (weak_alias_test_LDADD): New variable.
12004         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12005         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12006         (weak_alias_test_3.o): New target.
12007         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12008         * testsuite/weak_alias_test_main.cc: New file.
12009         * testsuite/weak_alias_test_1.cc: New file.
12010         * testsuite/weak_alias_test_2.cc: New file.
12011         * testsuite/weak_alias_test_3.cc: New file.
12012
12013 2008-04-08  Ian Lance Taylor  <iant@google.com>
12014
12015         * options.h (class General_options): Add --noinhibit-exec option.
12016         * main.cc (main): Check --noinhibit-exec.
12017
12018         * options.h (class General_options): Define --wrap as a special
12019         option.  Add wrap_symbols_ field.
12020         (General_options::any_wrap_symbols): New function.
12021         (General_options::is_wrap_symbol): New function.
12022         * options.cc (General_options::parse_wrap): New function.
12023         (General_options::General_options): Initialize wrap_symbols_.
12024         * symtab.cc (Symbol_table::wrap_symbol): New function.
12025         (Symbol_table::add_from_object): Handle --wrap.
12026         * symtab.h (class Symbol_table): Declare wrap_symbol.
12027         * target.h (Target::wrap_char): New function.
12028         (Target::Target_info): Add wrap_char field.
12029         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12030         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12031         * testsuite/testfile.cc (Target_test::test_target_info):
12032         Likewise.
12033
12034         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12035         there is one.
12036
12037         * layout.h (class Layout): Add added_eh_frame_data_ field.
12038         * layout.cc (Layout::Layout): Initialize new field.
12039         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12040         output section until we find a section we merged successfully.
12041         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12042         that the size be non-zero.
12043
12044         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12045         qualifier.
12046
12047 2008-04-08  Craig Silverstein  <csilvers@google.com>
12048
12049         * configure.ac: Export new conditional variable HAVE_ZLIB.
12050         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12051         on HAVE_ZLIB.
12052         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12053         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12054
12055 2008-04-07  Ian Lance Taylor  <iant@google.com>
12056
12057         * version.cc (version_string): Set to "1.5".
12058
12059         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12060         Add issued_non_pic_error_ field.  Declare check_non_pic.
12061         (Target_x86_64::Scan::check_non_pic): New function.
12062         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12063         (Target_x86_64::Scan::global): Likewise.
12064
12065         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12066         addend parameter.  Change caller.  Handle merge sections.
12067         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12068         Address to Addend.  Don't add in the result of
12069         local_section_offset, pass down the addend and use the returned
12070         value.
12071         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12072         Update declarations of local_section_offset and symbol_value.
12073         * testsuite/two_file_test_1.cc (t18): New function.
12074         * testsuite/two_file_test_2.cc (f18): New function.
12075         * testsuite/two_file_test_main.cc (main): Call t18.
12076         * testsuite/two_file_test.h (t18, f18): Declare.
12077
12078         * configure.ac: Don't test for objdump, c++filt, or readelf.
12079         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12080         conditionals.
12081         (TEST_READELF): New variable.
12082         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12083         (check_PROGRAMS): Add two_file_strip_test.
12084         (two_file_strip_test): New target.
12085         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12086         (two_file_same_shared_strip_test_SOURCES): New variable.
12087         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12088         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12089         (two_file_same_shared_strip_test_LDADD): New variable.
12090         (two_file_shared_strip.so): New target.
12091         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12092         (ver_test_5.syms, ver_test_7.syms): Likewise.
12093         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12094         (strip_test_3.stdout): Use TEST_OBJDUMP.
12095         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12096
12097 2008-04-04  Cary Coutant  <ccoutant@google.com>
12098
12099         * symtab.h (Symbol::is_weak_undefined): New function.
12100         (Symbol::is_strong_undefined): New function.
12101         (Symbol::is_absolute): New function.
12102         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12103         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12104         absolute symbols.
12105         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12106         (weak_undef_test): New target.
12107         * testsuite/Makefile.in: Rebuild.
12108         * testsuite/weak_undef_file1.cc: New file.
12109         * testsuite/weak_undef_file2.cc: New file.
12110         * testsuite/weak_undef_test.cc: New file.
12111
12112 2008-04-03  Craig Silverstein  <csilvers@google.com>
12113
12114         * compressed_output.h (class Output_compressed_section): Use
12115         unsigned buffer.
12116         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12117         add zlib header.
12118         (zlib_compressed_suffix): Removed.
12119         (Output_compressed_section::set_final_data_size): Use unsigned
12120         buffers.
12121         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12122         Fix linker invocation.
12123         (flagstest_o_specialfile_and_compress_debug_sections):
12124         Likewise.
12125         * testsuite/Makefile.in: Regenerated.
12126
12127 2008-04-02  David S. Miller  <davem@davemloft.net>
12128
12129         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12130         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12131
12132 2008-04-02  Craig Silverstein  <csilvers@google.com>
12133
12134         * TODO: New file.
12135
12136 2008-04-02  Ian Lance Taylor  <iant@google.com>
12137
12138         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12139         parameters.  Update for new key type to views_.  Change all
12140         callers.
12141         (File_read::read): Adjust for byteshift in returned view.
12142         (File_read::add_view): New function, broken out of
12143         find_and_make_view.
12144         (File_read::make_view): New function, broken out of
12145         find_and_make_view.
12146         (File_read::find_or_make_view): Add offset and aligned
12147         parameters.  Rewrite accordingly.  Change all callers.
12148         (File_read::get_view): Add offset and aligned parameters.  Adjust
12149         for byteshift in return value.
12150         (File_read::get_lasting_view): Likewise.
12151         * fileread.h (class File_read): Update declarations.
12152         (class File_read::View): Add byteshift_ field.  Add byteshift to
12153         constructor.  Add byteshift method.
12154         * archive.h (Archive::clear_uncached_views): New function.
12155         (Archive::get_view): Add aligned parameter.  Change all callers.
12156         * object.h (Object::get_view): Add aligned parameter.  Change all
12157         callers.
12158         (Object::get_lasting_view): Likewise.
12159
12160         * fileread.cc (File_read::release): Don't call clear_views if
12161         there are multiple objects.
12162         * fileread.h (File_read::clear_uncached_views): New function.
12163         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12164         on the archive.
12165
12166 2008-03-31  Cary Coutant  <ccoutant@google.com>
12167
12168         Add thin archive support.
12169         * archive.cc (Archive::armagt): New const.
12170         (Archive::setup): Remove task parameter and calls to unlock.
12171         (Archive::unlock_nested_archives): New function.
12172         (Archive::read_header): Add nested_off parameter. Change
12173         all callers.
12174         (Archive::interpret_header): Likewise.
12175         (Archive::include_all_members): Change to handle thin
12176         archives.
12177         (Archive::include_member): Likewise.
12178         * archive.h (Archive::Archive): Add new parameters and
12179         initializers.
12180         (Archive::armagt): New const.
12181         (Archive::setup): Remove task parameter.
12182         (Archive::unlock_nested_archives): New function.
12183         (Archive::read_header): Add nested_off parameter.
12184         (Archive::interpret_header): Likewise.
12185         (Archive::Nested_archive_table): New typedef.
12186         (Archive::is_thin_archive_): New field.
12187         (Archive::nested_archives_): New field.
12188         (Archive::options_): New field.
12189         (Archive::dirpath_): New field.
12190         (Archive::task_): New field.
12191         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12192         for thin archives.  Pass additional parameters to
12193         Archive::Archive.  Unlock the archive file after calling
12194         Archive::setup.
12195
12196 2008-03-29  Ian Lance Taylor  <iant@google.com>
12197
12198         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12199         version symbol to be local.
12200         * testsuite/ver_test_4.sh: New file.
12201         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12202         (check_DATA): Add ver_test_4.syms.
12203         (ver_test_4.syms): New target.
12204         * testsuite/Makefile.in: Rebuild.
12205
12206         * output.cc
12207         (Output_section::Input_section_sort_entry::has_priority): New
12208         function.
12209         (Output_section::Input_section_sort_entry::match_file_name): New
12210         function.
12211         (Output_section::Input_section_sort_entry::match_section_name):
12212         Remove.
12213         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12214         Remove.
12215         (Output_section::Input_section_sort_entry::match_section_file):
12216         Remove.
12217         (Output_section::Input_section_sort_compare::operator()): Rewrite
12218         using new Input_section_sort_entry functions.  Sort crtbegin and
12219         crtend first.  Sort sections with no priority before sections with
12220         a priority.
12221         * testsuite/initpri1.c (d3): Check j != 4.
12222         (cd5): New constructor/destructor function.
12223         (main): Check j != 2.
12224
12225         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12226         new symbol when resolving, don't call set_is_default.
12227         * testsuite/ver_test_7.cc: New file.
12228         * testsuite/ver_test_7.sh: New file.
12229         * testsuite/Makefile.am (ver_test_7.so): New target.
12230         (ver_test_7.o): New target.
12231         (check_SCRIPTS): Add ver_test_7.sh.
12232         (check_DATA): Add ver_test_7.syms.
12233         (ver_test_7.syms): New target.
12234
12235 2008-03-28  Ian Lance Taylor  <iant@google.com>
12236
12237         * layout.cc (Layout::layout): If we see an input section with a
12238         name that needs sorting, set the must_sort flag for the output
12239         section.
12240         (Layout::make_output_section): If the name of the output section
12241         indicates that it might require sorting, set the may_sort flag.
12242         * output.h (Output_section::may_sort_attached_input_sections): New
12243         function.
12244         (Output_section::set_may_sort_attached_input_sections): New
12245         function.
12246         (Output_section::must_sort_attached_input_sections): New
12247         function.
12248         (Output_section::set_must_sort_attached_input_sections): New
12249         function.
12250         (class Output_section): Declare Input_section_sort_entry.  Define
12251         Input_section_sort_compare.  Declare
12252         sort_attached_input_sections.  Add new fields:
12253         may_sort_attached_input_sections_,
12254         must_sort_attached_input_sections_,
12255         attached_input_sections_are_sorted_.
12256         * output.cc (Output_section::Output_section): Initialize new
12257         fields.
12258         (Output_section::add_input_section): Add an entry to
12259         input_sections_ if may_sort or must_sort are true.
12260         (Output_section::set_final_data_size): Call
12261         sort_attached_input_sections if necessary.
12262         (Output_section::Input_section_sort_entry): Define new class.
12263         (Output_section::Input_section_sort_compare::operator()): New
12264         function.
12265         (Output_section::sort_attached_input_sections): New function.
12266         * configure.ac: Check whether the compiler supports constructor
12267         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12268         * testsuite/initpri1.c: New file.
12269         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12270         CONSTRUCTOR_PRIORITY.
12271         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12272         (initpri1_LDFLAGS): New variable.
12273         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12274
12275 2008-03-27  Ian Lance Taylor  <iant@google.com>
12276
12277         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12278         * testsuite/common_test_1.c: New file.
12279         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12280         (common_test_1_SOURCES): New variable.
12281         (common_test_1_DEPENDENCIES): New variable.
12282         (common_test_1_LDFLAGS): New variable.
12283
12284         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12285         and commons_ correctly when NAME/VERSION does not override
12286         NAME/NULL.
12287         * testsuite/ver_test_6.c: New file.
12288         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12289         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12290         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12291
12292 2008-03-26  Ian Lance Taylor  <iant@google.com>
12293
12294         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12295         of an undefined symbol from a version script.
12296         * testsuite/Makefile.am (ver_test_5.so): New target.
12297         (ver_test_5.o): New target.
12298         (check_SCRIPTS): Add ver_test_5.sh.
12299         (check_DATA): Add ver_test_5.syms.
12300         (ver_test_5.syms): New target.
12301         * testsuite/ver_test_5.cc: New file.
12302         * testsuite/ver_test_5.script: New file.
12303         * testsuite/ver_test_5.sh: New file.
12304         * Makefile.in, testsuite/Makefile.in: Rebuild.
12305
12306         PR gold/5986
12307         Fix problems building gold with gcc 4.3.0.
12308         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12309         (gold_error_at_location, gold_warning_at_location): Use it.
12310         * configure.ac: Check whether we can compile and use a template
12311         function with a printf attribute.
12312         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12313         when jumping over bytes.
12314         * object.cc: Instantiate Object::read_section_data.
12315         * debug.h: Include <cstring>
12316         * dwarf_reader.cc: Include <algorithm>
12317         * main.cc: Include <cstring>.
12318         * options.cc: Include <cstring>.
12319         * output.cc: Include <cstring>.
12320         * script.cc: Include <cstring>.
12321         * script.h: Include <string>.
12322         * symtab.cc: Include <cstring> and <algorithm>.
12323         * target-select.cc: Include <cstring>.
12324         * version.cc: Include <string>.
12325         * testsuite/testmain.cc: Include <cstdlib>.
12326         * configure, config.in: Rebuild.
12327
12328 2008-03-25  Ian Lance Taylor  <iant@google.com>
12329
12330         * options.cc: Include "../bfd/bfdver.h".
12331         (options::help): Print bug reporting address.
12332
12333         * version.cc (print_version): Adjust output for current value of
12334         BFD_VERSION_STRING.
12335
12336         * NEWS: New file.
12337
12338         * options.cc (options::help): Print list of supported targets.
12339         * target-select.h: Include <vector>.
12340         (class Target_selector): Make machine_, size_, and is_big_endian_
12341         fields const.  Add bfd_name_ and instantiated_target_ fields.
12342         (Target_selector::Target_selector): Add bfd_name parameter.
12343         (Target_selector::recognize): Make non-virtual, call
12344         do_recognize.
12345         (Target_selector::recognize_by_name): Make non-virtual, call
12346         do_recognize_by_name.
12347         (Target_selector::supported_names): New function.
12348         (Target_selector::bfd_name): New function.
12349         (Target_selector::do_instantiate_target): New pure virtual
12350         function.
12351         (Target_selector::do_recognize): New virtual function.
12352         (Target_selector::do_recognize_by_name): New virtual function.
12353         (Target_selector::instantiate_target): New private function.
12354         (supported_target_names): Declare.
12355         * target-select.cc (Target_selector::Target_selector): Update for
12356         new parameter and fields.
12357         (select_target_by_name): Check that the name matches before
12358         calling recognize_by_name.
12359         (supported_target_names): New function.
12360         * i386.cc (class Target_selector_i386): Update Target_selector
12361         constructor call.  Remove recognize and recognize_by_name.  Add
12362         do_instantiate_target.
12363         * x86_64.cc (class Target_selector_x86_64): Likewise.
12364         * testsuite/testfile.cc (class Target_selector_test): Update for
12365         changes to Target_selector.
12366
12367         * README: Rewrite, with some notes on unsupported features.
12368
12369 2008-03-24  Cary Coutant  <ccoutant@google.com>
12370
12371         * i386.cc (Target_i386::Got_type): New enum declaration.
12372         (Target_i386::Scan::local): Updated callers of Output_data_got
12373         member functions.
12374         (Target_i386::Scan::global): Likewise.
12375         (Target_i386::Relocate::relocate): Likewise.
12376         (Target_i386::Relocate::relocate_tls): Likewise.
12377         * object.h (Got_offset_list): New class.
12378         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12379         (Sized_relobj::local_got_offset): Likewise.
12380         (Sized_relobj::set_local_got_offset): Likewise.
12381         (Sized_relobj::local_has_tls_got_offset): Removed.
12382         (Sized_relobj::local_tls_got_offset): Removed.
12383         (Sized_relobj::set_local_tls_got_offset): Removed.
12384         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12385         * output.cc (Output_data_got::add_global): Added got_type parameter.
12386         (Output_data_got::add_global_with_rel): Likewise.
12387         (Output_data_got::add_global_with_rela): Likewise.
12388         (Output_data_got::add_global_pair_with_rel): New function.
12389         (Output_data_got::add_global_pair_with_rela): New function.
12390         (Output_data_got::add_local): Added got_type parameter.
12391         (Output_data_got::add_local_with_rel): Likewise.
12392         (Output_data_got::add_local_with_rela): Likewise.
12393         (Output_data_got::add_local_pair_with_rel): New function.
12394         (Output_data_got::add_local_pair_with_rela): New function.
12395         (Output_data_got::add_global_tls): Removed.
12396         (Output_data_got::add_global_tls_with_rel): Removed.
12397         (Output_data_got::add_global_tls_with_rela): Removed.
12398         (Output_data_got::add_local_tls): Removed.
12399         (Output_data_got::add_local_tls_with_rel): Removed.
12400         (Output_data_got::add_local_tls_with_rela): Removed.
12401         * output.h (Output_data_got::add_global): Added got_type parameter.
12402         (Output_data_got::add_global_with_rel): Likewise.
12403         (Output_data_got::add_global_with_rela): Likewise.
12404         (Output_data_got::add_global_pair_with_rel): New function.
12405         (Output_data_got::add_global_pair_with_rela): New function.
12406         (Output_data_got::add_local): Added got_type parameter.
12407         (Output_data_got::add_local_with_rel): Likewise.
12408         (Output_data_got::add_local_with_rela): Likewise.
12409         (Output_data_got::add_local_pair_with_rel): New function.
12410         (Output_data_got::add_local_pair_with_rela): New function.
12411         (Output_data_got::add_global_tls): Removed.
12412         (Output_data_got::add_global_tls_with_rel): Removed.
12413         (Output_data_got::add_global_tls_with_rela): Removed.
12414         (Output_data_got::add_local_tls): Removed.
12415         (Output_data_got::add_local_tls_with_rel): Removed.
12416         (Output_data_got::add_local_tls_with_rela): Removed.
12417         * resolve.cc (Symbol::override_base_with_special): Removed
12418         reference to has_got_offset_ field.
12419         * symtab.cc (Symbol::init_fields): Replaced initialization
12420         of got_offset_ with got_offsets_.  Removed initialization
12421         of has_got_offset_
12422         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12423         (Symbol::got_offset): Likewise.
12424         (Symbol::set_got_offset): Likewise.
12425         (Symbol::has_tls_got_offset): Removed.
12426         (Symbol::tls_got_offset): Removed.
12427         (Symbol::set_tls_got_offset): Removed.
12428         (Symbol::got_offset_): Removed.
12429         (Symbol::tls_mod_got_offset_): Removed.
12430         (Symbol::tls_pair_got_offset_): Removed.
12431         (Symbol::got_offsets_): New field.
12432         (Symbol::has_got_offset): Removed.
12433         (Symbol::has_tls_mod_got_offset): Removed.
12434         (Symbol::has_tls_pair_got_offset): Removed.
12435         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12436         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12437         member functions.
12438         (Target_x86_64::Scan::global): Likewise.
12439         (Target_x86_64::Relocate::relocate): Likewise.
12440         (Target_x86_64::Relocate::relocate_tls): Likewise.
12441
12442 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12443
12444         * yyscript.y: Fix spelling error in comment.
12445
12446 2008-03-24  Ian Lance Taylor  <iant@google.com>
12447
12448         * options.h (class General_options): Define build_id option.
12449         * layout.h (class Layout): Declare write_build_id, create_note,
12450         create_build_id.  Add build_id_note_ member.
12451         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12452         "libiberty.h", "md5.h", "sha1.h".
12453         (Layout::Layout): Initialize eh_frame_data_,
12454         eh_frame_hdr_section_, and build_id_note_.
12455         (Layout::finalize): Call create_build_id.
12456         (Layout::create_note): New function, broken out of
12457         Layout::create_gold_note.
12458         (Layout::create_gold_note): Call create_note.
12459         (Layout::create_build_id): New function.
12460         (Layout::write_build_id): New function.
12461         (Close_task_runner::run): Call write_build_id.
12462
12463         * x86_64.cc: Correct license to GPLv3.
12464
12465 2008-03-23  Ian Lance Taylor  <iant@google.com>
12466
12467         * options.cc: Include "demangle.h".
12468         (parse_optional_string): New function.
12469         (parse_long_option): Handle takes_optional_argument.
12470         (parse_short_option): Update dash_z initializer.  Handle
12471         takes_optional_argument.
12472         (General_options::General_options): Initialize do_demangle_.
12473         (General_options::finalize): Set do_demangle_.  Handle demangling
12474         style.
12475         * options.h (parse_optional_string): Declare.
12476         (struct One_option): Add optional_arg field.  Update constructor.
12477         Update call constructor calls.  Add takes_optional_argument
12478         function.
12479         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12480         (DEFINE_optional_string): Define.
12481         (General_options::demangle): Change from DEFINE_bool to
12482         DEFINE_optional_string.
12483         (General_options::no_demangle): New function.
12484         (General_options::do_demangle): New function.
12485         (General_options::set_do_demangle): New function.
12486         (General_options::execstack_status_): Move definition to end of
12487         class definition.
12488         (General_options::static_): Likewise.
12489         (General_options::do_demangle_): New field.
12490         * object.cc (big_endian>::get_symbol_location_info): Call
12491         Options::do_demangle, not Options::demangle.
12492         * symtab.cc (demangle): Likewise.
12493
12494 2008-03-22  Ian Lance Taylor  <iant@google.com>
12495
12496         * gold.h: Include <cstddef> and <sys/types.h>
12497         * options.h: Include <cstring>.
12498
12499 2008-03-21  Ian Lance Taylor  <iant@google.com>
12500
12501         * Added source code to GNU binutils.