gold/ChangeLog

   1 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         * x86_64.cc (gc_process_relocs): Add typename on types used in
   4         template.
   5         (scan_relocs): Likewise.
   6         (relocate_section): Likewise.
   7         (apply_relocation): Likewise.
   8
   9 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
  10
  11         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
  12         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
  13         under x32.
  14
  15 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
  16
  17         * x86_64.cc: Initial support for x32.
  18
  19 2012-01-03  Cary Coutant  <ccoutant@google.com>
  20
  21         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  22         Use abstract base class for GOT.
  23         * gold/output.h (class Output_data_got_base): New abstract base class.
  24         (class Output_data_got): Derive from new base class, adjust ctors.
  25         (Output_data_got::reserve_slot): Make virtual; rename to
  26         do_reserve_slot; Adjust callers.
  27         * gold/target.h (Sized_target::init_got_plt_for_update): Return
  28         pointer to abstract base class.
  29         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
  30
  31 2011-12-18  Ian Lance Taylor  <iant@google.com>
  32
  33         * object.h (Relobj::local_symbol_value): New function.
  34         (Relobj::local_plt_offset): New function.
  35         (Relobj::local_has_got_offset): New function.
  36         (Relobj::local_got_offset): New function.
  37         (Relobj::set_local_got_offset): New function.
  38         (Relobj::do_local_symbol_value): New pure virtual function.
  39         (Relobj::do_local_plt_offset): Likewise.
  40         (Relobj::do_local_has_got_offset): Likewise.
  41         (Relobj::do_local_got_offset): Likewise.
  42         (Relobj::do_set_local_got_offset): Likewise.
  43         (Sized_relobj::do_local_has_got_offset): Rename from
  44         local_has_got_offset.
  45         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
  46         (Sized_relobj::do_set_local_got_offset): Rename from
  47         set_local_got_offset.
  48         (Sized_relobj_file::do_local_plt_offset): Rename from
  49         local_plt_offset.
  50         (Sized_relobj_file::do_local_symbol_value): New function.
  51         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
  52         local_plt_offset.
  53         * output.cc (Output_data_got::Got_entry::write): Change object to
  54         Relobj.  Use local_symbol_value.
  55         (Output_data_got::add_global_with_rel): Change rel_dyn to
  56         Output_data_reloc_generic*.  Use add_global_generic.
  57         (Output_data_got::add_global_with_rela): Remove.  Change all
  58         callers to use add_global_with_rel.
  59         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
  60         Output_data_reloc_generic*.  Use add_global_generic.
  61         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
  62         callers to use add_global_pair_with_rel.
  63         (Output_data_got::add_local): Change object to Relobj*.
  64         (Output_data_got::add_local_plt): Likewise.
  65         (Output_data_got::add_local_with_rel): Change object to Relobj*,
  66         change rel_dyn to Output_data_reloc_generic*.  Use
  67         add_local_generic.
  68         (Output_data_got::add_local_with_rela): Remove.  Change all
  69         callers to use all_local_with_rel.
  70         (Output_data_got::add_local_pair_with_rel): Change object to
  71         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
  72         add_output_section_generic.
  73         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
  74         callers to use add_local_pair_with_rel.
  75         (Output_data_got::reserve_local): Change object to Relobj*.
  76         * output.h: (class Output_data_reloc_generic): Add pure virtual
  77         declarations for add_global_generic, add_local_generic,
  78         add_output_section_generic.
  79         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
  80         functions for Output_data_reloc_generic.  Update declarations for
  81         changes listed in output.cc.
  82         (class Output_data_got): Change template parameter to got_size.
  83         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
  84         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
  85         function.
  86         (Sized_relobj_incr::do_local_plt_offset): New function.
  87         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
  88         add_global_generic.
  89
  90 2011-12-17  Cary Coutant  <ccoutant@google.com>
  91
  92         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
  93         * resolve.cc (Symbol_table::resolve): Likewise.
  94         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
  95         arrays.
  96         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
  97
  98 2011-12-16  Ian Lance Taylor  <iant@google.com>
  99
 100         * output.h (Output_data_reloc_generic::add): Only call
 101         add_dynamic_reloc if this is a dynamic reloc section.
 102
 103 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 104
 105         PR gold/13505
 106         * target-reloc.h (apply_relocation): Replace <64, false> with
 107         <size, big_endian>.
 108
 109 2011-11-25  Nick Clifton  <nickc@redhat.com>
 110
 111         * po/it.po: New Italian translation.
 112
 113 2011-11-17  Sterling Augustine  <saugustine@google.com>
 114
 115         * script.cc (script_include_directive): Implement.
 116         (read_script_file): New local variables name and search_path. Update
 117         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 118         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 119         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 120
 121 2011-11-11  Sterling Augustine  <saugustine@google.com>
 122
 123         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 124         (file_or_sections_cmd): Likewise.
 125
 126 2011-11-11  Doug Kwan  <dougkwan@google.com>
 127
 128         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 129         if --just-symbols is given.
 130
 131 2011-11-10  Doug Kwan  <dougkwan@google.com>
 132
 133         PR gold/13362
 134         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 135         when processing data relocs.
 136         * reloc.h (Relocate_functions::rel_unaligned): New method.
 137         (Relocate_functions::pcrel_unaligned): Ditto.
 138         (Relocate_functions::rel32_unaligned): Ditto.
 139         (Relocate_functions::pcrel32_unaligned): Ditto.
 140
 141 2011-11-09  Doug Kwan  <dougkwan@google.com>
 142
 143         PR gold/13362
 144         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 145         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 146         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 147         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 148         (Relocate_functions::rel_unaligned): New.
 149         (Relocate_functions::rel32_unaligned): New.
 150         * target-reloc.h (relocate_for_relocatable): Add code to handle
 151         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 152         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 153         arm_unaligned_reloc_r): New targets.
 154         * testsuite/Makefile.in: Regenerate.
 155         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 156         linking.
 157
 158 2011-11-02  Ian Lance Taylor  <iant@google.com>
 159
 160         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 161         NATIVE_LINKER.
 162         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 163         * options.cc (General_options::finalize): Use library search path
 164         from configure script if specified.  If not native and no sysroot,
 165         only search TOOLLIBDIR.
 166         * options.h (Search_directory::Search_directory): Change name to
 167         const std::string&.
 168         (General_options::add_to_library_path_with_sysroot): Change arg to
 169         const std::string&.
 170         * configure, Makefile.in, config.in: Rebuild.
 171
 172 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 173
 174         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 175         we are working around the ARM1176 Erratum.
 176         * options.h (General_options::fix_arm1176): Add option.
 177         * testsuite/Makefile.am: Add testcases, and keep current ones
 178         working.
 179         * testsuite/Makefile.in: Regenerate.
 180         * testsuite/arm_fix_1176.s: New file.
 181         * testsuite/arm_fix_1176.sh: Likewise.
 182
 183 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 184
 185         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 186         may_use_blx_.
 187         (Target_arm::may_use_blx): Remove method.
 188         (Target_arm::set_may_use_blx): Likewise.
 189         (Target_arm::may_use_v4t_interworking): New method.
 190         (Target_arm::may_use_v5t_interworking): Likewise.
 191         (Target_arm::may_use_blx_): Remove member variable.
 192         (Arm_relocate_functions::arm_branch_common): Check for v5T
 193         interworking.
 194         (Arm_relocate_functions::thumb_branch_common): Likewise.
 195         (Reloc_stub::stub_type_for_reloc): Likewise.
 196         (Target_arm::do_finalize_sections): Correct interworking checks.
 197         * testsuite/Makefile.am: Add new tests.
 198         * testsuite/Makefile.in: Regenerate.
 199         * testsuite/arm_farcall_arm_arm.s: New test.
 200         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 201         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 202         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 203         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 204         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 205         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 206         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 207
 208 2011-10-31  Cary Coutant  <ccoutant@google.com>
 209
 210         PR gold/13023
 211         * expression.cc (Expression::eval_with_dot): Add
 212         is_section_dot_assignment parameter.
 213         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 214         absolute and assigning to dot within a section.
 215         * script-sections.cc
 216         (Output_section_element_assignment::set_section_addresses): Pass
 217         dot_section to set_if_absolute.
 218         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 219         as is_section_dot_assignment flag to eval_with_dot.
 220         (Output_section_element_dot_assignment::set_section_addresses):
 221         Likewise.
 222         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 223         parameter.  Also set value if relative to dot_section; set the
 224         symbol's output_section.
 225         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 226         parameter.  Adjust all callers.
 227         (Expression::eval_maybe_dot): Likewise.
 228         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 229         Adjust all callers.
 230         * testsuite/script_test_2.t: Test assignment of an absolute value
 231         to dot within an output section element.
 232
 233 2011-10-31  Cary Coutant  <ccoutant@google.com>
 234
 235         * options.h (class General_options): Add --[no-]gnu-unique options.
 236         * symtab.cc (Symbol_table::sized_write_globals): Convert
 237         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 238
 239 2011-10-31  Cary Coutant  <ccoutant@google.com>
 240
 241         PR gold/13359
 242         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 243         unnecessary assertion.
 244         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 245
 246 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 247
 248         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 249         gc_mark_symbol.
 250         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 251         gc_mark_symbol.
 252         Change to just keep the section associated with symbol.
 253         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 254         they are externally visible and --export-dynamic is turned on.
 255         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 256
 257 2011-10-19  Ian Lance Taylor  <iant@google.com>
 258
 259         PR gold/13163
 260         * script-sections.cc
 261         (Output_section_element_dot_assignment::needs_output_section): New
 262         function.
 263
 264 2011-10-19  Ian Lance Taylor  <iant@google.com>
 265
 266         PR gold/13204
 267         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 268         --section-start option was seen.
 269         * options.h (General_options::any_section_start): New function.
 270
 271 2011-10-18  David S. Miller  <davem@davemloft.net>
 272
 273         PR binutils/13301
 274         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 275         member to track relocation locations that have moved during TLS
 276         reloc optimizations.
 277         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 278         (Target_sparc::Relocate::relocate): Adjust view down by 4
 279         bytes if it matches reloc_adjust_addr_.
 280         (Target_sparc::Relocate::relocate_tls): Always move the
 281         __tls_get_addr call delay slot instruction forward 4 bytes when
 282         performing relaxation.
 283
 284 2011-10-18  Cary Coutant  <ccoutant@google.com>
 285
 286         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 287         (Output_file::map_no_anonymous): Check for non-zero
 288         return code from posix_fallocate.
 289
 290 2011-10-17  Cary Coutant  <ccoutant@google.com>
 291
 292         PR gold/13245
 293         * plugin.cc (is_visible_from_outside): Check for symbols
 294         referenced from dynamic objects.
 295         * resolve.cc (Symbol_table::resolve): Don't count references
 296         from dynamic objects as references from real ELF files.
 297         * testsuite/plugin_test_2.sh: Adjust expected result.
 298
 299 2011-10-17  Cary Coutant  <ccoutant@google.com>
 300
 301         * gold.cc: Include timer.h.
 302         (queue_middle_tasks): Stamp time.
 303         (queue_final_tasks): Likewise.
 304         * main.cc (main): Store timer in parameters.  Print timers
 305         for each pass.
 306         * parameters.cc (Parameters::Parameters): Initialize timer_.
 307         (Parameters::set_timer): New function.
 308         (set_parameters_timer): New function.
 309         * parameters.h (Parameters::set_timer): New function.
 310         (Parameters::timer): New function.
 311         (Parameters::timer_): New data member.
 312         (set_parameters_timer): New function.
 313         * timer.cc (Timer::stamp): New function.
 314         (Timer::get_pass_time): New function.
 315         * timer.h (Timer::stamp): New function.
 316         (Timer::get_pass_time): New function.
 317         (Timer::pass_times_): New data member.
 318
 319 2011-10-17  Cary Coutant  <ccoutant@google.com>
 320
 321         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 322         task for members of lib groups.
 323
 324 2011-10-17  Cary Coutant  <ccoutant@google.com>
 325
 326         PR gold/13288
 327         * fileread.cc (File_read::find_view): Add assert.
 328         (File_read::make_view): Move bounds check (replace with assert)...
 329         (File_read::find_or_make_view): ... to here.
 330
 331 2011-10-12  Cary Coutant  <ccoutant@google.com>
 332
 333         * output.cc (Output_file::open_base_file): Handle case where
 334         ::read returns less than requested size.
 335
 336 2011-10-10  Cary Coutant  <ccoutant@google.com>
 337
 338         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 339         Initialize defined_count_.
 340         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 341         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 342         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 343         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 344         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 345         * incremental.h (Sized_relobj_incr::defined_count_): New data
 346         member.
 347         (Sized_incr_dynobj::defined_count_): New data member.
 348         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 349         Return zeroes instead of internal error.
 350
 351 2011-10-10  Cary Coutant  <ccoutant@google.com>
 352
 353         PR gold/13249
 354         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 355         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 356         * output.h (class Output_reloc): Add use_plt_offset flag.
 357         (Output_reloc::type_): Adjust size of bit field.
 358         (Output_reloc::use_plt_offset_): New bit field.
 359         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 360         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 361         flag.  Adjust all callers.
 362         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 363         creating RELATIVE relocations.
 364
 365 2011-10-10  Nick Clifton  <nickc@redhat.com>
 366
 367         * po/es.po: Updated Spanish translation.
 368         * po/fi.po: Updated Finnish translation.
 369
 370 2011-10-03   Diego Novillo  <dnovillo@google.com>
 371
 372         * options.cc (parse_uint): Fix dereference of RETVAL.
 373
 374 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 375
 376         * layout.h (section_order_map_): New member.
 377         (get_section_order_map): New member function.
 378         * output.cc (Output_section::add_input_section): Check for patterns
 379         only when --section-ordering-file is specified.
 380         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 381         output_sections have been formed.
 382         * layout.cc (Layout_Layout): Initialize section_order_map_.
 383         * plugin.cc (update_section_order): Store order in order_map. Do not
 384         update the order.
 385         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 386         * testsuite/Makefile.in: Regenerate.
 387         * testsuite/plugin_section_order.c: New file.
 388         * testsuite/plugin_final_layout.cc: New file.
 389         * testsuite/plugin_final_layout.sh: New file.
 390
 391 2011-09-29  Cary Coutant  <ccoutant@google.com>
 392
 393         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 394         Check for NULL.
 395         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 396         symbols during incremental update.
 397         (Symbol_table::add_from_dynobj): Likewise.
 398
 399 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 400             Ian Lance Taylor  <iant@google.com>
 401
 402         * symtab.cc (Symbol_table::define_special_symbol): Always
 403         canonicalize version string.
 404
 405 2011-09-26  Cary Coutant  <ccoutant@google.com>
 406
 407         * gold.cc (queue_initial_tasks): Move option checks ...
 408         * options.cc (General_options::finalize): ... to here. Disable
 409         some options; make others fatal.
 410
 411 2011-09-26  Cary Coutant  <ccoutant@google.com>
 412
 413         gcc PR lto/47247
 414         * plugin.cc (get_symbols_v2): New function.
 415         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 416         (is_referenced_from_outside): New function.
 417         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 418         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 419         (get_symbols): Pass version parameter.
 420         (get_symbols_v2): New function.
 421         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 422         parameter.
 423         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 424         (onload): Add LDPT_GET_SYMBOLS_V2.
 425         (all_symbols_read_hook): Use get_symbols_v2; check for
 426         LDPR_PREVAILING_DEF_IRONLY_EXP.
 427         * testsuite/plugin_test_3.sh: Update expected results.
 428
 429 2011-09-23  Simon Baldwin  <simonb@google.com>
 430
 431         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 432         configuration options.
 433         * configure: Regenerate.
 434         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 435         * Makefile.in: Regenerate.
 436         * testsuite/Makefile.in: Regenerate.
 437
 438 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 439
 440         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 441
 442 2011-09-19  Cary Coutant  <ccoutant@google.com>
 443
 444         * incremental.cc (can_incremental_update): Fix typo in comment.
 445         * incremental.h (can_incremental_update): Likewise.
 446
 447 2011-09-18  Cary Coutant  <ccoutant@google.com>
 448
 449         * incremental.cc (can_incremental_update): New function.
 450         * incremental.h (can_incremental_update): New function.
 451         * layout.cc (Layout::init_fixed_output_section): Call it.
 452         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 453         * object.cc (Sized_relobj_file::do_layout): Call
 454         can_incremental_update.
 455
 456 2011-09-13  Cary Coutant  <ccoutant@google.com>
 457
 458         * configure.ac: Check for glibc support for gnu_indirect_function
 459         support with static linking, setting automake conditional
 460         IFUNC_STATIC.
 461         * Makefile.in: Regenerate.
 462         * configure: Regenerate.
 463
 464         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 465         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 466         for IFUNC_STATIC.
 467         * testsuite/Makefile.in: Regenerate.
 468
 469 2011-09-13  Cary Coutant  <ccoutant@google.com>
 470
 471         * incremental.cc (Sized_relobj_incr::do_layout): Call
 472         report_comdat_group for kept comdat sections.
 473         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 474         * testsuite/Makefile.in: Regenerate.
 475         * testsuite/incr_comdat_test_1.cc: New source file.
 476         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 477         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 478         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 479
 480 2011-09-13  Ian Lance Taylor  <iant@google.com>
 481
 482         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 483         variable external_symbols_offset.
 484
 485 2011-09-12  Ian Lance Taylor  <iant@google.com>
 486
 487         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 488         triggered if object has no symbols.
 489
 490 2011-09-09  David S. Miller  <davem@davemloft.net>
 491
 492         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 493         (Output_fill_debug_line::do_write): Likewise.
 494
 495 2011-08-29  Cary Coutant  <ccoutant@google.com>
 496
 497         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 498         casts to match formatting specs.
 499         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 500
 501 2011-08-26  Cary Coutant  <ccoutant@google.com>
 502
 503         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 504         remaining hole size when allocating.
 505         (Layout::make_output_section): Set fill methods for debug sections.
 506         * layout.h (Free_list::Free_list_node): Move from private to
 507         public.
 508         (Free_list::set_min_hole_size): New function.
 509         (Free_list::begin, Free_list::end): New functions.
 510         (Free_list::min_hole_): New data member.
 511         * output.cc: Include dwarf.h.
 512         (Output_fill_debug_info::do_minimum_hole_size): New function.
 513         (Output_fill_debug_info::do_write): New function.
 514         (Output_fill_debug_line::do_minimum_hole_size): New function.
 515         (Output_fill_debug_line::do_write): New function.
 516         (Output_section::Output_section): Initialize new data member.
 517         (Output_section::set_final_data_size): Ensure patch space is larger
 518         than minimum hole size.
 519         (Output_section::do_write): Fill holes in debug sections.
 520         * output.h (Output_fill): New class.
 521         (Output_fill_debug_info): New class.
 522         (Output_fill_debug_line): New class.
 523         (Output_section::set_free_space_fill): New function.
 524         (Output_section::free_space_fill_): New data member.
 525         * testsuite/Makefile.am (incremental_test_3): Add
 526         --incremental-patch option.
 527         (incremental_test_4): Likewise.
 528         (incremental_test_5): Likewise.
 529         (incremental_test_6): Likewise.
 530         (incremental_copy_test): Likewise.
 531         (incremental_common_test_1): Likewise.
 532         * testsuite/Makefile.in: Regenerate.
 533
 534 2011-08-26  Nick Clifton  <nickc@redhat.com>
 535
 536         * po/es.po: Updated Spanish translation.
 537
 538 2011-08-01  Cary Coutant  <ccoutant@google.com>
 539
 540         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 541         * gold/testsuite/Makefile.in: Regenerate.
 542         * gold/testsuite/justsyms_exec.c: New source file.
 543         * gold/testsuite/justsyms_lib.c: New source file.
 544
 545 2011-08-01  Cary Coutant  <ccoutant@google.com>
 546
 547         * layout.cc (Layout::set_segment_offsets): Don't realign text
 548         segment if -Ttext was specified.
 549         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 550         file type.
 551         * object.h (Sized_relobj_file::e_type): New function.
 552         (Sized_relobj_file::e_type_): New data member.
 553         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 554         base address for ET_EXEC files.
 555         * target.cc (Target::do_make_elf_object_implementation): Allow
 556         ET_EXEC files with --just-symbols option.
 557
 558 2011-07-28  Cary Coutant  <ccoutant@google.com>
 559
 560         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 561         Add thread_number parameter.
 562         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 563         * workqueue-threads.cc
 564         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 565         current thread if its thread number is greater than desired thread
 566         count.
 567         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 568         Add thread_number parameter.
 569         (Workqueue::should_cancel_thread): Likewise.
 570         (Workqueue::find_runnable_or_wait): Pass thread_number to
 571         should_cancel_thread.
 572         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 573         parameter.
 574
 575 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 576
 577         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 578         only after checking if it cannot be forced local.
 579         * symtab.h (is_externally_visible): Check if the symbol is not forced
 580         local.
 581
 582 2011-07-15  Ian Lance Taylor  <iant@google.com>
 583
 584         * options.h (class General_options): Add --print-output-format.
 585         Move -EL next to -EB, for  better --help output.
 586         * target-select.cc: Include <cstdio>, "options.h", and
 587         "parameters.h".
 588         (Target_selector::do_target_bfd_name): New function.
 589         (print_output_format): New function.
 590         * target-select.h (class Target_selector): Update declarations.
 591         (Target_selector::target_bfd_name): New function.
 592         (print_output_format): Declare.
 593         * main.cc: Include "target-select.h".
 594         (main): Handle --print-output-format.
 595         * gold.cc: Include "target-select.h".
 596         (queue_initial_tasks): Handle --print-output-format when there are
 597         no input files.
 598         * parameters.cc (parameters_force_valid_target): Give a better
 599         error message if -EB/-EL does not match target.
 600         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 601         function.
 602
 603 2011-07-15  Ian Lance Taylor  <iant@google.com>
 604
 605         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 606         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 607         (Output_data_plt_i386::do_write): Write address of .dynamic
 608         section to first entry in .got.plt section.
 609         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 610         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 611         Initialize layout_.
 612         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 613         section to first entry in .got.plt section.
 614         * layout.h (Layout::dynamic_section): New function.
 615
 616 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 617
 618         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 619         to claim_file call.
 620         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 621         input_section_position_, and input_section_glob_.
 622         (read_layout_from_file): Call function section_ordering_specified.
 623         * layout.h (is_section_ordering_specified): New function.
 624         (section_ordering_specified): New function.
 625         (section_ordering_specified_): New boolean member.
 626         * main.cc(main): Call load_plugins after layout object is defined.
 627         * output.cc (Output_section::add_input_section): Use
 628         function section_ordering_specified to check if section ordering is
 629         needed.
 630         * output.cc (Output_section::add_relaxed_input_section): Use
 631         function section_ordering_specified to check if section ordering is
 632         needed.
 633         (Output_section::update_section_layout): New function.
 634         (Output_section::sort_attached_input_sections): Check if input section
 635         must be reordered.
 636         * output.h (Output_section::update_section_layout): New function.
 637         * plugin.cc (get_section_count): New function.
 638         (get_section_type): New function.
 639         (get_section_name): New function.
 640         (get_section_contents): New function.
 641         (update_section_order): New function.
 642         (allow_section_ordering): New function.
 643         (Plugin::load): Add the new interfaces to the transfer vector.
 644         (Plugin_manager::load_plugins): New parameter.
 645         (Plugin_manager::all_symbols_read): New parameter.
 646         (Plugin_manager::claim_file): New parameter. Save the elf object for
 647         unclaimed objects.
 648         (Plugin_manager::get_elf_object): New function.
 649         (Plugin_manager::get_view): Change to directly use the bool to check
 650         if get_view is called from claim_file_hook.
 651         * plugin.h (input_objects): New function
 652         (Plugin__manager::load_plugins): New parameter.
 653         (Plugin_manager::claim_file): New parameter.
 654         (Plugin_manager::get_elf_object): New function.
 655         (Plugin_manager::in_claim_file_handler): New function.
 656         (Plugin_manager::in_claim_file_handler_): New member.
 657         (layout): New function.
 658         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 659         handler with an extra parameter. Make the elf object before calling
 660         claim_file handler.
 661         * testsuite/plugin_test.c (get_section_count): New function pointer.
 662         (get_section_type): New function pointer.
 663         (get_section_name): New function pointer.
 664         (get_section_contents): New function pointer.
 665         (update_section_order): New function pointer.
 666         (allow_section_ordering): New function pointer.
 667         (onload): Check if the new interfaces exist.
 668
 669 2011-07-13  Ian Lance Taylor  <iant@google.com>
 670
 671         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 672         relro section.
 673         * x86_64.cc (Target_x86_64::got_section): Likewise.
 674         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 675         (relro_now_test_SOURCES): New variable.
 676         (relro_now_test_DEPENDENCIES): New variable.
 677         (relro_now_test_LDFLAGS): New variable.
 678         (relro_now_test_LDADD): New variable.
 679         (relro_now_test.so): New target.
 680         * testsuite/Makefile.in: Rebuild.
 681
 682 2011-07-12  Ian Lance Taylor  <iant@google.com>
 683
 684         PR gold/12980
 685         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 686         GLOB_DAT relocation rather than a RELATIVE relocation for a
 687         protected symbol when creating a shared library.
 688         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 689         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 690         * testsuite/protected_main_1.cc (main): Test that protected
 691         function has same address.
 692
 693 2011-07-11  Ian Lance Taylor  <iant@google.com>
 694
 695         PR gold/12979
 696         * options.h (class General_options): Add -Bgroup.
 697         * options.cc (General_options::finalize): If -Bgroup is set,
 698         default to --unresolved-symbols=report-all.
 699         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 700         * target-reloc.h (issue_undefined_symbol_error): Handle
 701         --unresolved-symbols=report-all.
 702
 703 2011-07-08  Ian Lance Taylor  <iant@google.com>
 704
 705         PR gold/11985
 706         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 707         if linker script discards key sections.
 708         (Layout::create_dynamic_symtab): Likewise.
 709         (Layout::assign_local_dynsym_offsets): Likewise.
 710         (Layout::sized_create_version_sections): Likewise.
 711         (Layout::create_interp): Likewise.
 712         (Layout::finish_dynamic_section): Likewise.
 713         (Layout::set_dynamic_symbol_size): Likewise.
 714
 715 2011-07-08  Ian Lance Taylor  <iant@google.com>
 716
 717         PR gold/12386
 718         * options.h (class General_options): Add --unresolved-symbols.
 719         * target-reloc.h (issue_undefined_symbol_error): Check
 720         --unresolved-symbols.  Add comments.
 721
 722 2011-07-08  Ian Lance Taylor  <iant@google.com>
 723
 724         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 725         expression more complex.
 726
 727 2011-07-08  Ian Lance Taylor  <iant@google.com>
 728
 729         PR gold/11317
 730         * target-reloc.h (issue_undefined_symbol_error): New inline
 731         function, broken out of relocate_section.
 732         (relocate_section): Call issue_undefined_symbol_error.
 733         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 734         there is no TLS segment if we are about to issue an undefined
 735         symbol error.
 736         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 737
 738 2011-07-08  Ian Lance Taylor  <iant@google.com>
 739
 740         PR gold/12279
 741         * resolve.cc (Symbol_table::should_override): Add fromtype
 742         parameter.  Change all callers.  Give error when linking together
 743         TLS and non-TLS symbol.
 744         (Symbol_table::should_override_with_special): Add fromtype
 745         parameter.  Change all callers.
 746         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 747         there is no TLS segment if we have reported some errors.
 748         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 749
 750 2011-07-08  Ian Lance Taylor  <iant@google.com>
 751
 752         PR gold/12372
 753         * target.h (Target::plt_address_for_global): New function.
 754         (Target::plt_address_for_local): New function.
 755         (Target::plt_section_for_global): Remove.
 756         (Target::plt_section_for_local): Remove.
 757         (Target::do_plt_address_for_global): New virtual function.
 758         (Target::do_plt_address_for_local): New virtual function.
 759         (Target::do_plt_section_for_global): Remove.
 760         (Target::do_plt_section_for_local): Remove.
 761         (Target::register_global_plt_entry): Add Symbol_table and Layout
 762         parameters.
 763         * output.cc (Output_data_got::Got_entry::write): Use
 764         plt_address_for_global and plt_address_for_local.
 765         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 766         address of output section.
 767         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 768         got_irelative_, and irelative_count_ fields.  Update
 769         declarations.
 770         (Output_data_plt_i386::has_irelative_section): New function.
 771         (Output_data_plt_i386::entry_count): Add irelative_count_.
 772         (Output_data_plt_i386::set_final_data_size): Likewise.
 773         (class Target_i386): Add got_irelative_ and rel_irelative_
 774         fields.  Update declarations.
 775         (Target_i386::Target_i386): Initialize new fields.
 776         (Target_i386::do_plt_address_for_global): New function replacing
 777         do_plt_section_for_global.
 778         (Target_i386::do_plt_address_for_local): New function replacing
 779         do_plt_section_for_local.
 780         (Target_i386::got_section): Create got_irelative_.
 781         (Target_i386::rel_irelative_section): New function.
 782         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 783         fields.  Don't define __rel_iplt_{start,end}.
 784         (Output_data_plt_i386::add_entry): Add symtab and layout
 785         parameters.  Change all callers.  Use different PLT and GOT for
 786         IFUNC symbols.
 787         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 788         layout parameters.  Change all callers.  Use different PLT and
 789         GOT.
 790         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 791         (Output_data_plt_i386::rel_irelative): New function.
 792         (Output_data_plt_i386::address_for_global): New function.
 793         (Output_data_plt_i386::address_for_local): New function.
 794         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 795         IRELATIVE GOT when changing IFUNC GOT entries.
 796         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 797         reloc.
 798         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 799         if we didn't create an IRELATIVE GOT.
 800         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 801         plt_address_for_local.
 802         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 803         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 804         got_irelative_, and irelative_count_ fields.  Update
 805         declarations.
 806         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 807         Initialize new fields.  Remove symtab parameter.  Change all
 808         callers.
 809         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 810         irelative_count_.
 811         (Output_data_plt_x86_64::has_irelative_section): New function.
 812         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 813         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 814         fields.  Update declarations.
 815         (Target_x86_64::Target_x86_64): Initialize new fields.
 816         (Target_x86_64::do_plt_address_for_global): New function replacing
 817         do_plt_section_for_global.
 818         (Target_x86_64::do_plt_address_for_local): New function replacing
 819         do_plt_section_for_local.
 820         (Target_x86_64::got_section): Create got_irelative_.
 821         (Target_x86_64::rela_irelative_section): New function.
 822         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 823         all callers.  Don't create __rel_iplt_{start,end}.
 824         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 825         parameters.  Change all callers.  Use different PLT and GOT for
 826         IFUNC symbols.
 827         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 828         layout parameters.  Change all callers.  Use different PLT and
 829         GOT.
 830         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 831         parameters.  Change all callers.  Use different PLT and GOT for
 832         IFUNC symbols.
 833         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 834         (Output_data_plt_x86_64::rela_irelative): New function.
 835         (Output_data_plt_x86_64::address_for_global): New function.
 836         (Output_data_plt_x86_64::address_for_local): New function.
 837         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 838         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 839         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 840         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 841         parameters.
 842         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 843         reloc.
 844         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 845         symbols if we didn't create an IRELATIVE GOT.
 846         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 847         plt_address_for_local.
 848         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 849         * testsuite/ifuncvar1.c: New test file.
 850         * testsuite/ifuncvar2.c: New test file.
 851         * testsuite/ifuncvar3.c: New test file.
 852         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 853         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 854         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 855         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 856         * testsuite/Makefile.in: Rebuild.
 857
 858 2011-07-07  Cary Coutant  <ccoutant@google.com>
 859
 860         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 861         (two_file_test_1_ndebug.o): Likewise.
 862         (two_file_test_1b_ndebug.o): Likewise.
 863         (two_file_test_2_ndebug.o): Likewise.
 864         (two_file_test_main_ndebug.o): Likewise.
 865         (incremental_test_2): Link with no-debug versions.
 866
 867 2011-07-06  Cary Coutant  <ccoutant@google.com>
 868
 869         * gold/incremental.cc
 870         (Output_section_incremental_inputs::write_info_blocks): Check for
 871         hidden and internal symbols.
 872
 873 2011-07-06  Cary Coutant  <ccoutant@google.com>
 874
 875         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 876         Check disposition for startup file.
 877         (Incremental_inputs::report_command_line): Ignore
 878         --incremental-startup-unchanged option.
 879         * options.cc (General_options::parse_incremental_startup_unchanged):
 880         New function.
 881         (General_options::General_options): Initialize new data member.
 882         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 883         (General_options): Add --incremental-startup-unchanged option.
 884         (General_options::incremental_startup_disposition): New function.
 885         (General_options::incremental_startup_disposition_): New data member.
 886
 887 2011-07-06  Cary Coutant  <ccoutant@google.com>
 888
 889         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 890         input file index to Script_info ctor.
 891         (Sized_incremental_binary::do_file_has_changed): Find the
 892         command-line argument for files named in scripts.
 893         * incremental.h (Script_info::Script_info): New ctor
 894         with input file index.
 895         (Script_info::input_file_index): New function.
 896         (Script_info::input_file_index_): New data member.
 897         (Incremental_binary::get_library): Add const.
 898         (Incremental_binary::get_script_info): Add const.
 899         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 900         * testsuite/Makefile.am (incremental_test_5): New test case.
 901         (incremental_test_6): New test case.
 902         * testsuite/Makefile.in: Regenerate.
 903
 904 2011-07-06  Cary Coutant  <ccoutant@google.com>
 905
 906         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 907         debug output when command lines differ.
 908
 909 2011-07-06  Cary Coutant  <ccoutant@google.com>
 910
 911         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 912         --incremental-patch option.
 913         * layout.cc (Free_list::allocate): Extend allocation beyond original
 914         end if enabled.
 915         (Layout::make_output_section): Mark sections that should get
 916         patch space.
 917         * options.cc (parse_percent): New function.
 918         * options.h (parse_percent): New function.
 919         (DEFINE_percent): New macro.
 920         (General_options): Add --incremental-patch option.
 921         * output.cc (Output_section::Output_section): Initialize new data
 922         members.
 923         (Output_section::add_input_section): Print section name when out
 924         of patch space.
 925         (Output_section::add_output_section_data): Likewise.
 926         (Output_section::set_final_data_size): Add patch space when
 927         doing --incremental-full.
 928         (Output_section::do_reset_address_and_file_offset): Remove patch
 929         space.
 930         (Output_segment::set_section_list_addresses): Print debug output
 931         only if --incremental-update.
 932         * output.h (Output_section::set_is_patch_space_allowed): New function.
 933         (Output_section::is_patch_space_allowed_): New data member.
 934         (Output_section::patch_space_): New data member.
 935         * parameters.cc (Parameters::incremental_full): New function.
 936         * parameters.h (Parameters::incremental_full): New function
 937         * testsuite/Makefile.am (incremental_test_2): Add test for
 938         --incremental-patch option.
 939         * testsuite/Makefile.in: Regenerate.
 940         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 941         (t18): Remove function body.
 942
 943 2011-07-05  Doug Kwan  <dougkwan@google.com>
 944
 945         PR gold/12771
 946         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 947         Arm_Address type for relocation result.
 948         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 949         overflow check.
 950         (Arm_relocate_functions::abs32): Use unaligned access.
 951         (Arm_relocate_functions::rel32): Ditto.
 952         (Arm_relocate_functions::prel31): Ditto.
 953         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 954         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 955         static data relocations.
 956         * testsuite/Makefile.in: Regnerate.
 957         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 958
 959 2011-07-05  Ian Lance Taylor  <iant@google.com>
 960
 961         PR gold/12392
 962         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 963         symbols if necessary.
 964         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 965
 966 2011-07-05  Ian Lance Taylor  <iant@google.com>
 967
 968         PR gold/12952
 969         * resolve.cc (Symbol::override_base_with_special): Simply override
 970         version with special symbol version, ignoring previous version.
 971
 972 2011-07-05  Ian Lance Taylor  <iant@google.com>
 973
 974         * object.cc (Sized_relobj_file::include_section_group): Add
 975         information to comment about signature location.
 976
 977 2011-07-02  Ian Lance Taylor  <iant@google.com>
 978
 979         PR gold/12957
 980         * options.h (class General_options): Add -f and -F.
 981         * options.cc (General_options::finalize): Fatal error if -f/-F
 982         are used without -shared.
 983         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 984
 985 2011-07-02  Ian Lance Taylor  <iant@google.com>
 986
 987         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 988
 989 2011-07-01  Ian Lance Taylor  <iant@google.com>
 990
 991         PR gold/12525
 992         PR gold/12952
 993         * resolve.cc (Symbol::override_base_with_special): Don't override
 994         the version if the overriding symbol has a different name.
 995         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 996         all callers.  If we give an error about an undefined version,
 997         define the base version if necessary.
 998         * dynobj.h (class Versions): Update declaration.
 999         * testsuite/weak_alias_test_5.cc: New file.
1000         * testsuite/weak_alias_test.script: New file.
1001         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1002         and versioned_alias have the right value, and call t2.
1003         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1004         weak_alias_test_5.so.
1005         (weak_alias_test_LDADD): Likewise.
1006         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1007         * testsuite/Makefile.in: Rebuild.
1008
1009 2011-07-01  Ian Lance Taylor  <iant@google.com>
1010
1011         PR gold/12525
1012         * options.h (class General_options): Support -z notext.
1013         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1014         -Wl,-z,notext.
1015         (two_file_shared_nonpic.so): Likewise.
1016         (two_file_shared_mixed.so): Likewise.
1017         (two_file_shared_mixed_1.so): Likewise.
1018         (weak_undef_lib_nonpic.so): Likewise.
1019         (alt/weak_undef_lib_nonpic.so): Likewise.
1020         (tls_test_shared_nonpic.so): Likewise.
1021         * testsuite/Makefile.in: Rebuild.
1022
1023 2011-07-01  Ian Lance Taylor  <iant@google.com>
1024
1025         PR gold/12525
1026         * configure.ac: Test whether static linking works, setting
1027         the automake conditional HAVE_STATIC.
1028         * testsuite/Makefile.am: Disable tests using -static if
1029         HAVE_STATIC is not true.
1030         * configure, testsuite/Makefile.in: Rebuild.
1031
1032 2011-07-01  Ian Lance Taylor  <iant@google.com>
1033
1034         PR gold/12525
1035         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1036         Assert if we see DW_EH_PE_indirect.
1037         * target.h (Target::ehframe_datarel_base): New function.
1038         (Target::do_ehframe_datarel_base): New target function.
1039         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1040         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1041         function.
1042
1043 2011-07-01  Ian Lance Taylor  <iant@google.com>
1044
1045         PR gold/12571
1046         * options.h (class General_options): Add
1047         --ld-generated-unwind-info.
1048         * ehframe.cc (Fde::write): Add address parameter.  Change all
1049         callers.  If associated with PLT, fill in address and size.
1050         (Cie::set_output_offset): Only add merge mapping if there is an
1051         object.
1052         (Cie::write): Add address parameter.  Change all callers.
1053         (Eh_frame::add_ehframe_for_plt): New function.
1054         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1055         input_offset_ fields into union u_, with new plt field.
1056         (Fde::Fde): Adjust for new union field.
1057         (Fde::Fde) [Output_data version]: New constructor.
1058         (Fde::add_mapping): Only add merge mapping if there is an object.
1059         (class Cie): Update declarations.
1060         (class Eh_frame): Declare add_ehframe_for_plt.
1061         * layout.cc (Layout::layout_eh_frame): Break out code into
1062         make_eh_frame_section, and call it.
1063         (Layout::make_eh_frame_section): New function.
1064         (Layout::add_eh_frame_for_plt): New function.
1065         * layout.h (class Layout): Update declarations.
1066         * merge.cc (Merge_map::add_mapping): Add assertion.
1067         * i386.cc: Include "dwarf.h".
1068         (class Output_data_plt_i386): Make first_plt_entry,
1069         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1070         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1071         and plt_eh_frame_fde.
1072         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1073         boundary.  Call add_eh_frame_for_plt if appropriate.
1074         * x86_64.cc: Include "dwarf.h".
1075         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1076         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1077         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1078         and plt_eh_frame_fde.
1079         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1080         appropriate.
1081
1082 2011-06-29  Ian Lance Taylor  <iant@google.com>
1083
1084         PR gold/12629
1085         * object.cc (Sized_relobj_file::layout_section): Change shdr
1086         parameter to be const.
1087         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1088         out of do_layout.
1089         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1090         appropriate.  Call layout_eh_frame_section.
1091         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1092         sections.
1093         * object.h (class Sized_relobj_file): Update declarations.
1094
1095 2011-06-29  Ian Lance Taylor  <iant@google.com>
1096
1097         PR gold/12652
1098         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1099         modifier.
1100         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1101
1102 2011-06-29  Ian Lance Taylor  <iant@google.com>
1103
1104         PR gold/12675
1105         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1106         SHT_X86_64_UNWIND.
1107         * layout.cc (Layout::layout_eh_frame): Likewise.
1108
1109 2011-06-29  Ian Lance Taylor  <iant@google.com>
1110
1111         PR gold/12695
1112         * layout.cc (Layout::symtab_section_shndx): New function.
1113         * layout.h (class Layout): Declare symtab_section_shndx.
1114         * output.cc (Output_section::write_header): Call it.
1115
1116 2011-06-29  Ian Lance Taylor  <iant@google.com>
1117
1118         PR gold/12818
1119         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1120         symbols which are not used in a relocation.
1121
1122 2011-06-28  Ian Lance Taylor  <iant@google.com>
1123
1124         PR gold/12898
1125         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1126         script create indistinguishable segments.
1127         (Layout::set_segment_offsets): Use stable_sort when sorting
1128         segments.  Pass this to Compare_segments constructor.
1129         * layout.h (class Layout): Make segment_precedes non-static.
1130         (class Compare_segments): Change from struct to class.  Add
1131         layout_ field.  Add constructor.
1132         * script-sections.cc
1133         (Script_sections::attach_sections_using_phdrs_clause): Rename
1134         local orphan to is_orphan.  Don't report failure to put empty
1135         section in segment.  On attachment failure, report name of
1136         section, and attach to first PT_LOAD segment.
1137
1138 2011-06-28  Ian Lance Taylor  <iant@google.com>
1139
1140         PR gold/12934
1141         * target-select.cc (Target_selector::Target_selector): Add
1142         emulation parameter.  Change all callers.
1143         (select_target_by_bfd_name): Rename from select_target_by_name.
1144         Change all callers.
1145         (select_target_by_emulation): New function.
1146         (supported_emulation_names): New function.
1147         * target-select.h (class Target_selector): Add emulation_ field.
1148         Update declarations.
1149         (Target_selector::recognize_by_bfd_name): Rename from
1150         recognize_by_name.  Change all callers.
1151         (Target_selector::supported_bfd_names): Rename from
1152         supported_names.  Change all callers.
1153         (Target_selector::recognize_by_emulation): New function.
1154         (Target_selector::supported_emulations): New function.
1155         (Target_selector::emulation): New function.
1156         (Target_selector::do_recognize_by_bfd_name): Rename from
1157         do_recognize_by_name.  Change all callers.
1158         (Target_selector::do_supported_bfd_names): Rename from
1159         do_supported_names.  Change all callers.
1160         (Target_selector::do_recognize_by_emulation): New function.
1161         (Target_selector::do_supported_emulations): New function.
1162         (select_target_by_bfd_name): Change name in declaration.
1163         (select_target_by_emulation): Declare.
1164         (supported_emulation_names): Declare.
1165         * parameters.cc (parameters_force_valid_target): Try to find
1166         target based on emulation from -m option.
1167         * options.h (class General_options): Change doc string for -m.
1168         * options.cc (help): Print emulations.
1169         (General_options::parse_V): Likewise.
1170         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1171         Add emulation parameter.  Change all callers.
1172
1173 2011-06-28  Ian Lance Taylor  <iant@google.com>
1174
1175         * target.h (class Target): Add osabi_ field.
1176         (Target::osabi): New function.
1177         (Target::set_osabi): New function.
1178         (Target::Target): Initialize osabi_.
1179         (Target::do_adjust_elf_header): Make pure virtual.
1180         (Sized_target::do_adjust_elf_header): Declare.
1181         * target.cc (Sized_target::do_adjust_elf_header): New function.
1182         (class Sized_target): Instantiate all versions.
1183         * freebsd.h (class Target_freebsd): Remove.
1184         (Target_selector_freebsd::do_recognize): Call set_osabi on
1185         Target.
1186         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1187         (Target_selector_freebsd::set_osabi): Remove.
1188         * i386.cc (class Target_i386): Inherit from Sized_target rather
1189         than Target_freebsd.
1190         * x86_64.cc (class Target_x86_64): Likewise.
1191
1192 2011-06-28  Ian Lance Taylor  <iant@google.com>
1193
1194         * target.h (Target::can_check_for_function_pointers): Rewrite.
1195         Make non-virtual.
1196         (Target::can_icf_inline_merge_sections): Likewise.
1197         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1198         (Target::Target_info): Add can_icf_inline_merge_sections field.
1199         (Target::do_can_check_for_function_pointers): New virtual
1200         function.
1201         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1202         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1203         from can_check_for_function_pointers, move in file.
1204         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1205         section_may_have_icf_unsafe_poineters, move in file.
1206         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1207         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1208         Rename from can_check_for_function_pointers, move in file.
1209         (Target_i386::can_icf_inline_merge_sections): Remove.
1210         (Target_i386::i386_info): Initialize
1211         can_icf_inline_merge_sections.
1212         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1213         Initialize can_icf_inline_merge_sections.
1214         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1215         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1216         Rename from can_check_for_function_pointers, move in file.
1217         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1218         (Target_x86_64::x86_64_info): Initialize
1219         can_icf_inline_merge_sections.
1220         * testsuite/testfile.cc (Target_test::test_target_info):
1221         Likewise.
1222         * icf.cc (get_section_contents): Correct formatting.
1223
1224 2011-06-27  Ian Lance Taylor  <iant@google.com>
1225
1226         * symtab.cc (Symbol::versioned_name): New function.
1227         (Symbol_table::add_to_final_symtab): Use versioned_name when
1228         appropriate.
1229         (Symbol_table::sized_write_symbol): Likewise.
1230         * symtab.h (class Symbol): Declare versioned_name.
1231         * stringpool.h (class Stringpool_template): Add variant of add
1232         which takes a std::basic_string.
1233         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1234         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1235         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1236         (ver_test_12.o): New target.
1237         * testsuite/Makefile.in: Rebuild.
1238
1239 2011-06-27  Doug Kwan  <dougkwan@google.com>
1240
1241         * arm.cc (Arm_relocate_functions::thm_jump8,
1242         Arm_relocate_functions::thm_jump11): Use a wider signed
1243         type to compute offset.
1244         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1245         arm_thm_jump8.
1246         * testsuite/Makefile.in: Regenerate.
1247         * testsuite/arm_branch_in_range.sh: Check test results of
1248         arm_thm_jump11 and arm_thm_jump8.
1249         * testsuite/arm_thm_jump11.s: New test source file.
1250         * testsuite/arm_thm_jump11.t: New linker script.
1251         * testsuite/arm_thm_jump8.s: New test source file.
1252         * testsuite/arm_thm_jump8.t: New linker script.
1253
1254 2011-06-24  Ian Lance Taylor  <iant@google.com>
1255
1256         * layout.cc: Include "object.h".
1257         (ctors_sections_in_init_array): New static variable.
1258         (Layout::is_ctors_in_init_array): New function.
1259         (Layout::layout): Add entry to ctors_sections_in_init_array if
1260         appropriate.
1261         * layout.h (class Layout): Declare is_ctors_in_init_array.
1262         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1263         is_ctors_reverse_view is set.
1264         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1265         all callers.  Set is_ctors_reverse_view field of View_size.
1266         (Sized_relobj_file::reverse_words): New function.
1267         * object.h (Sized_relobj_file::View_size): Add
1268         is_ctors_reverse_view field.
1269         (class Sized_relobj_file): Update declarations.
1270         * testsuite/initpri3.c: New test.
1271         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1272         initpri3b.
1273         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1274         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1275         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1276         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1277         * testsuite/Makefile.in: Rebuild.
1278
1279 2011-06-24  Cary Coutant  <ccoutant@google.com>
1280
1281         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1282         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1283         (debug_msg_cdebug.err): New targets.
1284         * testsuite/Makefile.in: Regenerate.
1285         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1286         Fix checks for link with shared library.
1287
1288 2011-06-24  Doug Kwan  <dougkwan@google.com>
1289
1290         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1291         skip empty text sections.
1292         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1293
1294 2011-06-22  Ian Lance Taylor  <iant@google.com>
1295
1296         PR gold/12910
1297         * options.h (class General_options): Add --ctors-in-init-array.
1298         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1299         friends as SHT_PROGBITS for merging sections.
1300         (Layout::layout): Remove special handling of .init_array and
1301         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1302         and .dtors if ctors_in_init_array.
1303         (Layout::make_output_section): Force correct section types for
1304         .init_array and friends.  Don't sort if doing relocatable link,
1305         Don't sort .ctors and .dtors if ctors_in_init_array.
1306         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1307         (Layout::output_section_name): Add relobj parameter.  Change all
1308         callers.  Handle .ctors. and .dtors. in code rather than table.
1309         Handle .ctors and .dtors if ctors_in_init_array.
1310         (Layout::match_file_name): New function, moved from output.cc.
1311         * layout.h (class Layout): Update declarations.
1312         * output.cc: Include "layout.h".
1313         (Input_section_sort_entry::get_priority): New function.
1314         (Input_section_sort_entry::match_file_name): Just call
1315         Layout::match_file_name.
1316         (Output_section::Input_section_sort_init_fini_compare::operator()):
1317         Handle .ctors and .dtors.  Sort by explicit priority rather than
1318         by name.
1319         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1320         * testsuite/initpri2.c: New test.
1321         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1322         (check_PROGRAMS): Add initpri2.
1323         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1324         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1325         * configure, testsuite/Makefile.in: Rebuild.
1326
1327 2011-06-19  Ian Lance Taylor  <iant@google.com>
1328
1329         PR gold/12880
1330         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1331         .interp section to a PT_INTERP segment even if we have seen a
1332         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1333         clause in a linker script.
1334         (Layout::finalize): Don't create a .interp section if we've
1335         already create a PT_INTERP segment.
1336         (Layout::create_interp): Always call choose_output_section (revert
1337         patch of 2011-06-17).  Don't create PT_INTERP segment.
1338         * script-sections.cc
1339         (Script_sections::create_note_and_tls_segments): Add a .interp
1340         section to a PT_INTERP segment even if we have seen a
1341         --dynamic-linker option.
1342
1343 2011-06-18  Ian Lance Taylor  <iant@google.com>
1344
1345         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1346         merely because a non-PT_LOAD segment has a dynamic reloc.
1347
1348 2011-06-18  Ian Lance Taylor  <iant@google.com>
1349
1350         * layout.cc (Layout::finish_dynamic_section): Don't create
1351         DT_FLAGS entry if not needed.
1352
1353 2011-06-18  Ian Lance Taylor  <iant@google.com>
1354
1355         PR gold/12745
1356         * layout.cc (Layout::layout_eh_frame): Correct handling of
1357         writable .eh_frame section.
1358
1359 2011-06-17  Ian Lance Taylor  <iant@google.com>
1360
1361         PR gold/12893
1362         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1363         symbol is redefined with the exact same object and value.
1364
1365 2011-06-17  Ian Lance Taylor  <iant@google.com>
1366
1367         PR gold/12880
1368         * layout.h (class Layout): Add interp_segment_ field.
1369         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1370         (Layout::attach_allocated_section_to_segment): If making shared
1371         library, put .interp section in PT_INTERP segment.
1372         (Layout::finalize): Also call create_interp if -dynamic-linker
1373         option was used.
1374         (Layout::create_interp): Assert that there is no PT_INTERP
1375         segment.  If not using a SECTIONS clause, use make_output_section.
1376         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1377         * script-sections.cc
1378         (Script_sections::create_note_and_tls_segments): If making shared
1379         library, put .interp section in PT_INTERP segment.
1380
1381 2011-06-17  Ian Lance Taylor  <iant@google.com>
1382
1383         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1384         when making a shared library.
1385
1386 2011-06-17  Ian Lance Taylor  <iant@google.com>
1387
1388         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1389         parameter.  Change all callers.  Don't issue warning about PC32
1390         against locally defined symbol.
1391
1392 2011-06-16  Ian Lance Taylor  <iant@google.com>
1393
1394         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1395         occurs in same object.
1396
1397 2011-06-14  Alan Modra  <amodra@gmail.com>
1398
1399         * po/POTFILES.in: Regenerate.
1400
1401 2011-06-09  Ian Lance Taylor  <iant@google.com>
1402
1403         * script-sections.cc
1404         (Orphan_output_section::set_section_addresses): For a relocatable
1405         link set address to 0.
1406
1407 2011-06-09  Cary Coutant  <ccoutant@google.com>
1408
1409         PR gold/12804
1410         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1411         used with --compress-debug-sections.
1412         * gold/object.cc (Sized_relobj_file::do_layout): Report
1413         uncompressed size of compressed input sections.
1414
1415 2011-06-08  Cary Coutant  <ccoutant@google.com>
1416
1417         PR gold/12804
1418         * testsuite/two_file_test_2_v1.cc: Change initialization of
1419         v2 to keep it in .data.
1420
1421 2011-06-07  Cary Coutant  <ccoutant@google.com>
1422
1423         * common.cc (Symbol_table::do_allocate_commons_list): Call
1424         gold_fallback.
1425         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1426         (Errors::fallback): New function.
1427         (gold_fallback): New function.
1428         * errors.h (Errors::fallback): New function.
1429         * gold.cc (gold_exit): Change status parameter to enum; adjust
1430         all callers.
1431         (queue_initial_tasks): Call gold_fallback.
1432         * gold.h: Include cstdlib.
1433         (Exit_status): New enum type.
1434         (gold_exit): Change status parameter to enum.
1435         (gold_fallback): New function.
1436         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1437         (Layout::create_symtab_sections): Likewise.
1438         (Layout::create_shdrs): Likewise.
1439         * main.cc (main): Adjust call to gold_exit.
1440         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1441         (Output_data_got::add_got_entry_pair): Likewise.
1442         (Output_section::add_input_section): Likewise.
1443         (Output_section::add_output_section_data): Likewise.
1444         (Output_segment::set_section_list_addresses): Likewise.
1445         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1446
1447 2011-06-07  Cary Coutant  <ccoutant@google.com>
1448
1449         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1450         for incremental links.
1451         * output.cc (Output_segment::set_section_list_addresses): Remove
1452         FIXME and test for TLS or BSS.
1453
1454 2011-06-07  Cary Coutant  <ccoutant@google.com>
1455
1456         * testsuite/Makefile.am: Add incremental_copy_test,
1457         incremental_common_test_1.
1458         * testsuite/Makefile.in: Regenerate.
1459         * testsuite/common_test_1_v1.c: New source file.
1460         * testsuite/common_test_1_v2.c: New source file.
1461         * testsuite/copy_test_v1.cc: New source file.
1462
1463 2011-06-07  Cary Coutant  <ccoutant@google.com>
1464
1465         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1466         update, allocate common from bss section's free list.
1467         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1468         linker-defined symbols.
1469         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1470         Skip GOT and PLT entries that are no longer referenced.
1471         (Output_section_incremental_inputs::write_info_blocks): Mark
1472         linker-defined symbols.
1473         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1474         * output.cc (Output_section::allocate): New function.
1475         * output.h (Output_section::allocate): New function.
1476         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1477         linker-defined symbols.
1478         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1479         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1480         (Symbol::init_base_output_data): Likewise.
1481         (Symbol::init_base_output_segment): Likewise.
1482         (Symbol::init_base_constant): Likewise.
1483         (Sized_symbol::init_output_data): Likewise.
1484         (Sized_symbol::init_output_segment): Likewise.
1485         (Sized_symbol::init_constant): Likewise.
1486         (Symbol_table::do_define_in_output_data): Likewise.
1487         (Symbol_table::do_define_in_output_segment): Likewise.
1488         (Symbol_table::do_define_as_constant): Likewise.
1489         * symtab.h (Symbol::is_predefined): New function.
1490         (Symbol::init_base_output_data): Add is_predefined parameter.
1491         (Symbol::init_base_output_segment): Likewise.
1492         (Symbol::init_base_constant): Likewise.
1493         (Symbol::is_predefined_): New data member.
1494         (Sized_symbol::init_output_data): Add is_predefined parameter.
1495         (Sized_symbol::init_output_segment): Likewise.
1496         (Sized_symbol::init_constant): Likewise.
1497         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1498
1499 2011-06-07  Cary Coutant  <ccoutant@google.com>
1500
1501         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1502         instead of emit_copy_reloc.
1503         (Copy_relocs::emit_copy_reloc): Refactor.
1504         (Copy_relocs::make_copy_reloc): New function.
1505         (Copy_relocs::add_copy_reloc): Remove.
1506         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1507         section.
1508         (Copy_relocs::make_copy_reloc): New function.
1509         (Copy_relocs::add_copy_reloc): Remove.
1510         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1511         unchanged input files.
1512         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1513         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1514         Reserve BSS space for COPY relocations.
1515         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1516         (Output_section_incremental_inputs::write_info_blocks): Record
1517         whether a symbol is copied from a shared object.
1518         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1519         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1520         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1521         (Incremental_input_entry_reader::get_output_symbol_index): Add
1522         is_copy parameter.
1523         (Incremental_binary::emit_copy_relocs): New function.
1524         (Incremental_binary::do_emit_copy_relocs): New function.
1525         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1526         new data member.
1527         (Sized_incremental_binary::add_copy_reloc): New function.
1528         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1529         (Sized_incremental_binary::Copy_reloc): New struct.
1530         (Sized_incremental_binary::Copy_relocs): New typedef.
1531         (Sized_incremental_binary::copy_relocs_): New data member.
1532         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1533         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1534         * target.h (Sized_target::emit_copy_reloc): New function.
1535         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1536
1537 2011-06-02  Cary Coutant  <ccoutant@google.com>
1538
1539         PR gold/12163
1540         * gold/archive.cc (Archive::Archive): Initialize new data member.
1541         (Archive::include_all_members): Return if archive has already been
1542         included.
1543         * gold/archive.h (Archive::include_all_members_): New data member.
1544
1545 2011-06-02  Nick Clifton  <nickc@redhat.com>
1546
1547         * dynobj.h: Fix spelling mistake in comment.
1548         * output.cc: Likewise.
1549
1550 2011-05-31  Doug Kwan  <dougkwan@google.com>
1551             Asier Llano
1552
1553         PR gold/12826
1554         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1555         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1556         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1557         redundant arm_exidx_test.so.
1558         * testsuite/Makefile.in: Regenerate.
1559         (check_SCRIPTS): Add pr12826.sh
1560         (check_DATA): Add pr12826.stdout
1561         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1562         * testsuite/pr12826.sh: New file.
1563         * testsuite/pr12826_1.s: Ditto.
1564         * testsuite/pr12826_1.s: Ditto.
1565
1566 2011-05-30  Ian Lance Taylor  <iant@google.com>
1567
1568         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1569         sections.
1570
1571 2011-05-29  Ian Lance Taylor  <iant@google.com>
1572
1573         PR gold/12804
1574         * testsuite/Makefile.am: Use different file name for two_file_test
1575         temporary file for each incremental test.
1576         * testsuite/Makefile.in: Rebuild.
1577
1578 2011-05-29  Ian Lance Taylor  <iant@google.com>
1579
1580         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1581         binary input file is empty.
1582
1583 2011-05-27  Ian Lance Taylor  <iant@google.com>
1584
1585         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1586         (ver_test_9.so): Likewise.
1587         * testsuite/Makefile.in: Rebuild.
1588
1589 2011-05-26 Cary Coutant  <ccoutant@google.com>
1590
1591         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1592         * incremental.cc (Incremental_inputs::report_input_section): Fix
1593         comment, indentation.
1594         (Incremental_inputs::report_comdat_group): New function.
1595         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1596         of data for incremental input file entry.
1597         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1598         group count, COMDAT group signatures.
1599         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1600         an unchanged input file.
1601         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1602         Initialize new data member.
1603         (Incremental_object_entry::add_comdat_group): New function.
1604         (Incremental_object_entry::get_comdat_group_count): New function.
1605         (Incremental_object_entry::get_comdat_signature_key): New function.
1606         (Incremental_object_entry::groups_): New data member.
1607         (Incremental_inputs::report_comdat_group): New function.
1608         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1609         data for incremental input file entry.
1610         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1611         (Incremental_input_entry_reader::get_input_section): Adjust size of
1612         data for incremental input file entry.
1613         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1614         (Incremental_input_entry_reader::get_comdat_group_signature): New
1615         function.
1616         * object.cc (Sized_relobj::include_section_group): Report kept
1617         COMDAT groups for incremental links.
1618
1619 2011-05-24  David Meyer  <pdox@google.com>
1620
1621         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1622         with name parameter.  Add found_name parameter.
1623         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1624         * dirsearch.h (class Dirsearch): Update declaration.
1625
1626 2011-05-24  Ian Lance Taylor  <iant@google.com>
1627
1628         * archive.cc (Library_base::should_include_member): Pull in object
1629         from archive if it defines the entry symbol.
1630         * parameters.cc (Parameters::entry): New function.
1631         * parameters.h (class Parameters): Declare entry.
1632         * output.h (class Output_file_header): Remove entry_ field.
1633         * output.cc (Output_file_header::Output_file_header): Remove entry
1634         parameter.  Change all callers.
1635         (Output_file_header::entry): Use parameters->entry.
1636         * gold.cc (queue_middle_tasks): Likewise.
1637         * plugin.cc (Plugin_hook::run): Likewise.
1638
1639 2011-05-24 Cary Coutant  <ccoutant@google.com>
1640
1641         * gold.cc (queue_initial_tasks): Pass incremental base filename
1642         to Output_file::open_base_file; don't print error message.
1643         * incremental-dump.cc (main): Adjust call to
1644         Output_file::open_for_modification.
1645         * incremental-dump.cc (main): Likewise.
1646         * incremental.cc (Incremental_inputs::report_command_line):
1647         Ignore --incremental-base option when comparing command lines.
1648         Ignore parameter when given as separate argument.
1649         * options.h (class General_options): Add --incremental-base.
1650         * output.cc (Output_file::Output_file):
1651         (Output_file::open_base_file): Add base_name and writable parameters;
1652         read base file into new file; print error message here.
1653         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1654         callers.
1655         * output.h (Output_file::open_for_modification): Rename to...
1656         (Output_file::open_base_file): ...this; add base_name and
1657         writable parameters; adjust all callers.
1658         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1659         callers.
1660         * testsuite/Makefile.am (incremental_test_4): Test
1661         --incremental-base.
1662         * testsuite/Makefile.in: Regenerate.
1663
1664 2011-05-24 Cary Coutant  <ccoutant@google.com>
1665
1666         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1667         incremental_test_4.
1668         * testsuite/Makefile.in: Regenerate.
1669         * testsuite/two_file_test_1_v1.cc: New test source file.
1670         * testsuite/two_file_test_1b_v1.cc: New test source file.
1671         * testsuite/two_file_test_2_v1.cc: New test source file.
1672
1673 2011-05-24 Cary Coutant  <ccoutant@google.com>
1674
1675         * dynobj.h (Dynobj::do_dynobj): New function.
1676         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1677         flag and soname for shared objects.
1678         * incremental.cc (Incremental_inputs::report_object): Make
1679         either Incremental_object_entry or Incremental_dynobj_entry; add
1680         soname to string table.
1681         (Incremental_inputs::report_input_section): Add assertion.
1682         (Output_section_incremental_inputs::set_final_data_size): Adjust
1683         type of input file entry for shared libraries; adjust size of
1684         shared library info entry.
1685         (Output_section_incremental_inputs::write_input_files): Write
1686         as_needed flag for shared libraries.
1687         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1688         of input file entry for shared libraries; write soname.
1689         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1690         soname from incremental info.
1691         * incremental.h (enum Incremental_input_flags): Add
1692         INCREMENTAL_INPUT_AS_NEEDED.
1693         (Incremental_input_entry::Incremental_input_entry): Initialize new
1694         data member.
1695         (Incremental_input_entry::set_as_needed): New function.
1696         (Incremental_input_entry::as_needed): New function.
1697         (Incremental_input_entry::do_dynobj_entry): New function.
1698         (Incremental_input_entry::as_needed_): New data member.
1699         (Incremental_object_entry::Incremental_object_entry): Don't check
1700         for shared library.
1701         (Incremental_object_entry::do_type): Likewise.
1702         (class Incremental_dynobj_entry): New class.
1703         (Incremental_input_entry_reader::as_needed): New function.
1704         (Incremental_input_entry_reader::get_soname): New function.
1705         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1706         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1707         size of shared library info entry.
1708         * layout.cc (Layout::finish_dynamic_section): Don't test for
1709         incremental link when adding DT_NEEDED entries.
1710         * object.h (Object::Object): Initialize new data member.
1711         (Object::dynobj): New function.
1712         (Object::set_as_needed): New function.
1713         (Object::as_needed): New function.
1714         (Object::do_dynobj): New function.
1715         (Object::as_needed_): New data member.
1716
1717 2011-05-24 Cary Coutant  <ccoutant@google.com>
1718
1719         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1720         info; adjust display of GOT entries.
1721         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1722         vector of input objects; remove file_status_.
1723         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1724         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1725         got_plt reader; call target hooks to reserve GOT entries.
1726         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1727         of input file info header and GOT info entry.
1728         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1729         relocation info.
1730         (Got_plt_view_info::got_descriptor): Remove.
1731         (Got_plt_view_info::sym_index): New data member.
1732         (Got_plt_view_info::input_index): New data member.
1733         (Local_got_offset_visitor::visit): Write input file index.
1734         (Global_got_offset_visitor::visit): Write 0 for input file index.
1735         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1736         with sym_index and input_index.
1737         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1738         incremental info GOT entry; replace got_descriptor with input_index.
1739         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1740         map from input file index to object.
1741         (Sized_relobj_incr::do_layout): Replace direct data member reference
1742         with accessor function.
1743         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1744         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1745         Adjust size of input file info header.
1746         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1747         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1748         (Incremental_input_entry_reader::get_input_section): Adjust size of
1749         input file info header.
1750         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1751         of incremental info GOT entry.
1752         (Incremental_got_plt_reader::get_got_desc): Remove.
1753         (Incremental_got_plt_reader::get_got_symndx): New function.
1754         (Incremental_got_plt_reader::get_got_input_index): New function.
1755         (Sized_incremental_binary::Sized_incremental_binary): Remove
1756         file_status_; add input_objects_.
1757         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1758         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1759         (Sized_incremental_binary::file_is_unchanged): Remove.
1760         (Sized_incremental_binary::set_input_object): New function.
1761         (Sized_incremental_binary::input_object): New function.
1762         (Sized_incremental_binary::file_status_): Remove.
1763         (Sized_incremental_binary::input_objects_): New data member.
1764         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1765         references.
1766         (Sized_relobj_incr::invalid_address): Move to base class.
1767         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1768         class.
1769         (Sized_relobj_incr::do_output_section_offset): Likewise.
1770         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1771         (Sized_relobj_incr::section_offsets_): Likewise.
1772         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1773         function.
1774         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1775         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1776         with accessor function.
1777         (Sized_relobj_file::do_layout): Likewise.
1778         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1779         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1780         (Sized_relobj_file::compute_final_local_value): Replace refs to
1781         section_offsets_ with accessor function.
1782         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1783         * object.h (Relobj::Relobj): Initialize new data members.
1784         (Relobj::add_dyn_reloc): New function.
1785         (Relobj::first_dyn_reloc): New function.
1786         (Relobj::dyn_reloc_count): New function.
1787         (Relobj::first_dyn_reloc_): New data member.
1788         (Relobj::dyn_reloc_count_): New data member.
1789         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1790         references.
1791         (Sized_relobj::Address): New typedef.
1792         (Sized_relobj::invalid_address): Move here from child class.
1793         (Sized_relobj::Sized_relobj): Initialize new data members.
1794         (Sized_relobj::sized_relobj): New function.
1795         (Sized_relobj::is_output_section_offset_invalid): Move here from
1796         child class.
1797         (Sized_relobj::get_output_section_offset): Likewise.
1798         (Sized_relobj::local_has_got_offset): Likewise.
1799         (Sized_relobj::local_got_offset): Likewise.
1800         (Sized_relobj::set_local_got_offset): Likewise.
1801         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1802         (Sized_relobj::clear_got_offsets): New function.
1803         (Sized_relobj::section_offsets): Move here from child class.
1804         (Sized_relobj::do_output_section_offset): Likewise.
1805         (Sized_relobj::do_set_section_offset): Likewise.
1806         (Sized_relobj::Local_got_offsets): Likewise.
1807         (Sized_relobj::local_got_offsets_): Likewise.
1808         (Sized_relobj::section_offsets_): Likewise.
1809         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1810         references.
1811         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1812         class.
1813         (Sized_relobj_file::sized_relobj): New function
1814         (Sized_relobj_file::local_has_got_offset): Move to base class.
1815         (Sized_relobj_file::local_got_offset): Likewise.
1816         (Sized_relobj_file::set_local_got_offset): Likewise.
1817         (Sized_relobj_file::get_output_section_offset): Likewise.
1818         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1819         (Sized_relobj_file::do_output_section_offset): Likewise.
1820         (Sized_relobj_file::do_set_section_offset): Likewise.
1821         (Sized_relobj_file::Local_got_offsets): Likewise.
1822         (Sized_relobj_file::local_got_offsets_): Likewise.
1823         (Sized_relobj_file::section_offsets_): Likewise.
1824         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1825         (all constructors).
1826         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1827         (Output_reloc::get_symbol_index): Likewise.
1828         (Output_reloc::local_section_offset): Likewise.
1829         (Output_reloc::get_address): Likewise.
1830         (Output_reloc::symbol_value): Likewise.
1831         (Output_data_got::reserve_slot): Move to class definition.
1832         (Output_data_got::reserve_local): New function.
1833         (Output_data_got::reserve_slot_for_global): Remove.
1834         (Output_data_got::reserve_global): New function.
1835         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1836         (all constructors, two instantiations).
1837         (Output_reloc::get_relobj): New function (two instantiations).
1838         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1839         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1840         (Output_data_reloc::add_global): Adjust type of relobj.
1841         (Output_data_reloc::add_global_relative): Likewise.
1842         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1843         (Output_data_reloc::add_local): Likewise.
1844         (Output_data_reloc::add_local_relative): Likewise.
1845         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1846         (Output_data_reloc::add_local_section): Likewise.
1847         (Output_data_reloc::add_output_section): Likewise.
1848         (Output_data_reloc::add_absolute): Likewise.
1849         (Output_data_reloc::add_target_specific): Likewise.
1850         (Output_data_got::reserve_slot): Move definition here.
1851         (Output_data_got::reserve_local): New function.
1852         (Output_data_got::reserve_global): New function.
1853         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1854         section_offsets_ with accessor function.
1855         (Sized_relobj_file::write_sections): Likewise.
1856         (Sized_relobj_file::do_relocate_sections): Likewise.
1857         * target.h (Sized_target::reserve_local_got_entry): New function.
1858         (Sized_target::reserve_global_got_entry): New function.
1859         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1860         (Target_x86_64::reserve_global_got_entry): New function.
1861         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1862
1863 2011-05-23 Cary Coutant  <ccoutant@google.com>
1864
1865         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1866         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1867         bit when checking got_type.
1868         * incremental.cc (Sized_incremental_binary::setup_readers):
1869         Store symbol table and string table locations; initialize bit vector
1870         of file status flags.
1871         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1872         unchanged files.
1873         (Sized_incremental_binary::do_process_got_plt): New function.
1874         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1875         (Output_section_incremental_inputs::set_final_data_size): Record
1876         file index for each input file.
1877         (Output_section_incremental_inputs::write_got_plt): Store file index
1878         instead of input entry offset for each GOT entry.
1879         * incremental.h
1880         (Incremental_input_entry::Incremental_input_entry): Initialize new
1881         data member.
1882         (Incremental_input_entry::set_offset): Store file index.
1883         (Incremental_input_entry::get_file_index): New function.
1884         (Incremental_input_entry::file_index_): New data member.
1885         (Incremental_binary::process_got_plt): New function.
1886         (Incremental_binary::do_process_got_plt): New function.
1887         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1888         data members.
1889         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1890         (Sized_incremental_binary::set_file_is_unchanged): New function.
1891         (Sized_incremental_binary::file_is_unchanged): New function.
1892         (Sized_incremental_binary::do_process_got_plt): New function.
1893         (Sized_incremental_binary::file_status_): New data member.
1894         (Sized_incremental_binary::main_symtab_loc_): New data member.
1895         (Sized_incremental_binary::main_strtab_loc_): New data member.
1896         * output.cc (Output_data_got::Got_entry::write): Add case
1897         RESERVED_CODE.
1898         (Output_data_got::add_global): Call add_got_entry.
1899         (Output_data_got::add_global_plt): Likewise.
1900         (Output_data_got::add_global_with_rel): Likewise.
1901         (Output_data_got::add_global_with_rela): Likewise.
1902         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1903         (Output_data_got::add_global_pair_with_rela): Likewise.
1904         (Output_data_got::add_local): Call add_got_entry.
1905         (Output_data_got::add_local_plt): Likewise.
1906         (Output_data_got::add_local_with_rel): Likewise.
1907         (Output_data_got::add_local_with_rela): Likewise.
1908         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1909         (Output_data_got::add_local_pair_with_rela): Likewise.
1910         (Output_data_got::reserve_slot): New function.
1911         (Output_data_got::reserve_slot_for_global): New function.
1912         (Output_data_got::add_got_entry): New function.
1913         (Output_data_got::add_got_entry_pair): New function.
1914         (Output_section::add_output_section_data): Edit FIXME.
1915         * output.h
1916         (Output_section_data_build::Output_section_data_build): New
1917         constructor with size parameter.
1918         (Output_data_space::Output_data_space): Likewise.
1919         (Output_data_got::Output_data_got): Initialize new data member; new
1920         constructor with size parameter.
1921         (Output_data_got::add_constant): Call add_got_entry.
1922         (Output_data_got::reserve_slot): New function.
1923         (Output_data_got::reserve_slot_for_global): New function.
1924         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1925         (Output_data_got::add_got_entry): New function.
1926         (Output_data_got::add_got_entry_pair): New function.
1927         (Output_data_got::free_list_): New data member.
1928         * target.h (Sized_target::init_got_plt_for_update): New function.
1929         (Sized_target::register_global_plt_entry): New function.
1930         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1931         Initialize new data member; call init; add constructor with PLT count.
1932         (Output_data_plt_x86_64::init): New function.
1933         (Output_data_plt_x86_64::add_relocation): New function.
1934         (Output_data_plt_x86_64::reserve_slot): New function.
1935         (Output_data_plt_x86_64::free_list_): New data member.
1936         (Target_x86_64::init_got_plt_for_update): New function.
1937         (Target_x86_64::register_global_plt_entry): New function.
1938         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1939         incremental updates.
1940         (Output_data_plt_x86_64::add_relocation): New function.
1941         * testsuite/object_unittest.cc (Object_test): Set default options.
1942
1943 2011-05-16  Ian Lance Taylor  <iant@google.com>
1944
1945         * options.h (class General_options): Make -i a synonym for -r.
1946
1947 2011-05-16  Ian Lance Taylor  <iant@google.com>
1948
1949         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1950
1951 2011-05-10 Cary Coutant  <ccoutant@google.com>
1952
1953         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1954         strip_all (-s).
1955
1956 2011-05-06  Ian Lance Taylor  <iant@google.com>
1957
1958         * layout.cc (Layout::layout): If the output section flags change,
1959         update the ordering.
1960
1961 2011-04-25 Cary Coutant  <ccoutant@google.com>
1962
1963         * incremental-dump.cc (dump_incremental_inputs): Print local
1964         symbol info for each input file.
1965         * incremental.cc
1966         (Output_section_incremental_inputs::set_final_data_size): Add local
1967         symbol info to input file entries in incremental info.
1968         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1969         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1970         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1971         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1972         implementation.
1973         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1974         (Sized_incr_relobj::do_relocate): Write the local symbols.
1975         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1976         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1977         Adjust size of input file header.
1978         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1979         (Incremental_inputs_reader::get_local_symbol_count): New function.
1980         (Incremental_inputs_reader::get_input_section): Adjust size of input
1981         file header.
1982         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1983         (Sized_incr_relobj::This): New typedef.
1984         (Sized_incr_relobj::sym_size): New const data member.
1985         (Sized_incr_relobj::Local_symbol): New struct.
1986         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1987         (Sized_incr_relobj::do_local_symbol_offset): New function.
1988         (Sized_incr_relobj::local_symbol_count_): New data member.
1989         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1990         (Sized_incr_relobj::local_symbol_index_): New data member.
1991         (Sized_incr_relobj::local_symbol_offset_): New data member.
1992         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1993         (Sized_incr_relobj::local_symbols_): New data member.
1994         * object.h (Relobj::output_local_symbol_count): New function.
1995         (Relobj::local_symbol_offset): New function.
1996         (Relobj::do_output_local_symbol_count): New function.
1997         (Relobj::do_local_symbol_offset): New function.
1998         (Sized_relobj::do_output_local_symbol_count): New function.
1999         (Sized_relobj::do_local_symbol_offset): New function.
2000
2001 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2002
2003         * descriptors.cc (set_close_on_exec): New function.
2004         (Descriptors::open): Use set_close_on_exec.
2005         * output.cc (S_ISLNK): Define if not defined.
2006
2007 2011-04-22 Cary Coutant  <ccoutant@google.com>
2008
2009         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2010         global symbol map.
2011         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2012         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2013         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2014         relocations.
2015         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2016         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2017         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2018         * incremental.h
2019         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2020         function.
2021         (Incremental_binary::apply_incremental_relocs): New function.
2022         (Incremental_binary::do_apply_incremental_relocs): New function.
2023         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2024         data member.
2025         (Sized_incremental_binary::add_global_symbol): New function.
2026         (Sized_incremental_binary::global_symbol): New function.
2027         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2028         (Sized_incremental_binary::symbol_map_): New data member.
2029         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2030         * target.h (Sized_target::apply_relocation): New function.
2031         * target-reloc.h (apply_relocation): New function.
2032         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2033
2034 2011-04-22  Doug Kwan  <dougkwan@google.com>
2035
2036         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2037         flag of a SHT_ARM_EXIDX section.
2038         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2039         * testsuite/Makefile.in: Regenerate.
2040         * testsuite/arm_exidx_test.s: New file.
2041         * testsuite/arm_exidx_test.sh: Same.
2042
2043 2011-04-20 Cary Coutant  <ccoutant@google.com>
2044
2045         PR gold/12689
2046         * archive.h (Incremental_archive_entry::Archive_member):
2047         Initialize arg_serial_ (second constructor).
2048
2049 2011-04-17  Ian Lance Taylor  <iant@google.com>
2050
2051         * object.cc (Relocate_info::location): Simplify location string.
2052         * errors.cc (Errors::error_at_location): Don't print program
2053         name.
2054         (Errors::warning_at_location): Likewise.
2055         (Errors::undefined_symbol): Likewise.
2056         * testsuite/debug_msg.sh: Update accordingly.
2057
2058 2011-04-14 Cary Coutant  <ccoutant@google.com>
2059
2060         * gold/layout.cc (Layout::symtab_section_offset): New function.
2061         * gold/layout.h (Layout::symtab_section_offset): New function.
2062         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2063
2064 2011-04-12  Ian Lance Taylor  <iant@google.com>
2065
2066         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2067         with MREMAP_MAYMOVE.
2068         * output.h (class Output_file): Add map_is_allocated_ field.
2069         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2070         not available, provide stubs.  If mremap is not available, #define
2071         it to gold_mremap.
2072         (MREMAP_MAYMOVE): Define if not defined.
2073         (Output_file::Output_file): Initialize map_is_allocated_.
2074         (Output_file::resize): Check map_is_allocated_.
2075         (Output_file::map_anonymous): If mmap fails, use malloc.
2076         (Output_file::unmap): Don't do anything for an anonymous map.
2077         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2078         is not available, provide stubs.
2079         (File_read::View::~View): Use free rather than delete[].
2080         (File_read::make_view): Use malloc rather than new[].  If mmap
2081         fails, use malloc.
2082         (File_read::find_or_make_view): Use malloc rather than new[].
2083         * gold.h: Remove HAVE_REMAP code.
2084         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2085         exists.  Rename mremap to gold_mremap.  If mmap is not available
2086         don't do anything.
2087         * configure, config.in: Rebuild.
2088
2089 2011-04-11  Ian Lance Taylor  <iant@google.com>
2090
2091         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2092         initialize local variable v.
2093
2094 2011-04-11  Cary Coutant  <ccoutant@google.com>
2095
2096         * archive.cc (Archive::include_member): Adjust call to
2097         report_object.
2098         (Add_archive_symbols::run): Track argument serial numbers.
2099         (Lib_group::include_member): Likewise.
2100         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2101         * archive.h (Incremental_archive_entry::Archive_member):
2102         Initialize arg_serial_.
2103         (Archive_member::arg_serial_): New data member.
2104         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2105         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2106         incremental link.
2107         (Sized_dynobj::do_for_all_local_got_entries): New function.
2108         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2109         function.
2110         * fileread.cc (get_mtime): New function.
2111         * fileread.h (get_mtime): New function.
2112         * gold.cc (queue_initial_tasks): Check for incremental update.
2113         (process_incremental_input): New function.
2114         (queue_middle_tasks): Don't force valid target for incremental
2115         update.
2116         * incremental-dump.cc (find_input_containing_global): Adjust
2117         size of symbol info entry.
2118         (dump_incremental_inputs): Dump argument serial number and
2119         in_system_directory flag; bias shndx by 1; print symbol names
2120         when dumping per-file symbol lists; use new symbol info readers.
2121         * incremental.cc
2122         (Output_section_incremental_inputs:update_data_size): New function.
2123         (Sized_incremental_binary::setup_readers): Setup input readers
2124         for each input file; build maps for files added from libraries
2125         and scripts.
2126         (Sized_incremental_binary::check_input_args): New function.
2127         (Sized_incremental_binary::do_check_inputs): Build map of argument
2128         serial numbers to input arguments.
2129         (Sized_incremental_binary::do_file_has_changed): Rename
2130         do_file_is_unchanged to this; compare file modification times.
2131         (Sized_incremental_binary::do_init_layout): New function.
2132         (Sized_incremental_binary::do_reserve_layout): New function.
2133         (Sized_incremental_binary::do_get_input_reader): Remove.
2134         (Sized_incremental_binary::get_symtab_view): New function.
2135         (Incremental_checker::can_incrementally_link_output_file): Remove.
2136         (Incremental_inputs::report_command_line): Exclude --debug options.
2137         (Incremental_inputs::report_archive_begin): Add parameter; track
2138         argument serial numbers; don't put input file entry for archive
2139         before archive members.
2140         (Incremental_inputs::report_archive_end): Put input file entry
2141         for archive after archive members.
2142         (Incremental_inputs::report_object): Add parameter; track argument
2143         serial numbers and in_system_directory flag.
2144         (Incremental_inputs::report_script): Add parameter; track argument
2145         serial numbers.
2146         (Output_section_incremental_inputs::set_final_data_size): Adjust
2147         size of symbol info entry; check for forwarding symbols.
2148         (Output_section_incremental_inputs::write_input_files): Write
2149         in_system_directory flag and argument serial number.
2150         (Output_section_incremental_inputs::write_info_blocks): Map section
2151         indices between incremental info and original input file; store
2152         input section index for each symbol.
2153         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2154         change operator() to visit().
2155         (class Global_got_offset_visitor): Likewise.
2156         (class Global_symbol_visitor_got_plt):
2157         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2158         classes.
2159         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2160         (Sized_incr_relobj::do_read_symbols): New function.
2161         (Sized_incr_relobj::do_layout): New function.
2162         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2163         (Sized_incr_relobj::do_add_symbols): New function.
2164         (Sized_incr_relobj::do_should_include_member): New function.
2165         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2166         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2167         (Sized_incr_relobj::do_section_size): New function.
2168         (Sized_incr_relobj::do_section_name): New function.
2169         (Sized_incr_relobj::do_section_contents): New function.
2170         (Sized_incr_relobj::do_section_flags): New function.
2171         (Sized_incr_relobj::do_section_entsize): New function.
2172         (Sized_incr_relobj::do_section_address): New function.
2173         (Sized_incr_relobj::do_section_type): New function.
2174         (Sized_incr_relobj::do_section_link): New function.
2175         (Sized_incr_relobj::do_section_info): New function.
2176         (Sized_incr_relobj::do_section_addralign): New function.
2177         (Sized_incr_relobj::do_initialize_xindex): New function.
2178         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2179         (Sized_incr_relobj::do_read_relocs): New function.
2180         (Sized_incr_relobj::do_gc_process_relocs): New function.
2181         (Sized_incr_relobj::do_scan_relocs): New function.
2182         (Sized_incr_relobj::do_count_local_symbols): New function.
2183         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2184         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2185         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2186         (Sized_incr_relobj::do_relocate): New function.
2187         (Sized_incr_relobj::do_set_section_offset): New function.
2188         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2189         (Sized_incr_dynobj::do_read_symbols): New function.
2190         (Sized_incr_dynobj::do_layout): New function.
2191         (Sized_incr_dynobj::do_add_symbols): New function.
2192         (Sized_incr_dynobj::do_should_include_member): New function.
2193         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2194         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2195         (Sized_incr_dynobj::do_section_size): New function.
2196         (Sized_incr_dynobj::do_section_name): New function.
2197         (Sized_incr_dynobj::do_section_contents): New function.
2198         (Sized_incr_dynobj::do_section_flags): New function.
2199         (Sized_incr_dynobj::do_section_entsize): New function.
2200         (Sized_incr_dynobj::do_section_address): New function.
2201         (Sized_incr_dynobj::do_section_type): New function.
2202         (Sized_incr_dynobj::do_section_link): New function.
2203         (Sized_incr_dynobj::do_section_info): New function.
2204         (Sized_incr_dynobj::do_section_addralign): New function.
2205         (Sized_incr_dynobj::do_initialize_xindex): New function.
2206         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2207         (make_sized_incremental_object): New function.
2208         (Incremental_library::copy_unused_symbols): New function.
2209         (Incremental_library::do_for_all_unused_symbols): New function.
2210         * incremental.h (enum Incremental_input_flags): New type.
2211         (class Incremental_checker): Remove.
2212         (Incremental_input_entry::Incremental_input_entry): Add argument
2213         serial number.
2214         (Incremental_input_entry::arg_serial): New function.
2215         (Incremental_input_entry::set_is_in_system_directory): New function.
2216         (Incremental_input_entry::is_in_system_directory): New function.
2217         (Incremental_input_entry::arg_serial_): New data member.
2218         (Incremental_input_entry::is_in_system_directory_): New data member.
2219         (class Script_info): Move here from script.h.
2220         (Script_info::Script_info): Add filename parameter.
2221         (Script_info::filename): New function.
2222         (Script_info::filename_): New data member.
2223         (Incremental_script_entry::Incremental_script_entry): Add argument
2224         serial number.
2225         (Incremental_object_entry::Incremental_object_entry): Likewise.
2226         (Incremental_object_entry::add_input_section): Build list of input
2227         sections with map to original shndx.
2228         (Incremental_object_entry::get_input_section_index): New function.
2229         (Incremental_object_entry::shndx_): New data member.
2230         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2231         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2232         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2233         serial number.
2234         (Incremental_inputs::report_archive_begin): Likewise.
2235         (Incremental_inputs::report_object): Likewise.
2236         (Incremental_inputs::report_script): Likewise.
2237         (class Incremental_global_symbol_reader): New class.
2238         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2239         and store flags and input file type.
2240         (Incremental_input_entry_reader::arg_serial): New function.
2241         (Incremental_input_entry_reader::type): Extract type from flags.
2242         (Incremental_input_entry_reader::is_in_system_directory): New function.
2243         (Incremental_input_entry_reader::get_input_section_count): Call
2244         accessor function for type.
2245         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2246         function for type; adjust size of global symbol entry.
2247         (Incremental_input_entry_reader::get_global_symbol_count): Call
2248         accessor function for type.
2249         (Incremental_input_entry_reader::get_object_count): Likewise.
2250         (Incremental_input_entry_reader::get_object_offset): Likewise.
2251         (Incremental_input_entry_reader::get_member_count): Likewise.
2252         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2253         (Incremental_input_entry_reader::get_member_offset): Likewise.
2254         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2255         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2256         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2257         (Incremental_input_entry_reader::get_global_symbol_reader): New
2258         function.
2259         (Incremental_input_entry_reader::get_output_symbol_index): New
2260         function.
2261         (Incremental_input_entry_reader::type_): Remove.
2262         (Incremental_input_entry_reader::flags_): New data member.
2263         (Incremental_inputs_reader::input_file_offset): New function.
2264         (Incremental_inputs_reader::input_file_index): New function.
2265         (Incremental_inputs_reader::input_file): Call input_file_offset.
2266         (Incremental_inputs_reader::input_file_at_offset): New function.
2267         (Incremental_relocs_reader::get_r_type): Reformat.
2268         (Incremental_relocs_reader::get_r_shndx): Reformat.
2269         (Incremental_relocs_reader::get_r_offset): Reformat.
2270         (Incremental_relocs_reader::data): New function.
2271         (Incremental_binary::Incremental_binary): Initialize new data members.
2272         (Incremental_binary::check_inputs): Add cmdline parameter.
2273         (Incremental_binary::file_is_unchanged): Remove.
2274         (Input_reader::arg_serial): New function.
2275         (Input_reader::get_unused_symbol_count): New function.
2276         (Input_reader::get_unused_symbol): New function.
2277         (Input_reader::do_arg_serial): New function.
2278         (Input_reader::do_get_unused_symbol_count): New function.
2279         (Input_reader::do_get_unused_symbol): New function.
2280         (Incremental_binary::input_file_count): New function.
2281         (Incremental_binary::get_input_reader): Change signature to use
2282         index instead of filename.
2283         (Incremental_binary::file_has_changed): New function.
2284         (Incremental_binary::get_input_argument): New function.
2285         (Incremental_binary::get_library): New function.
2286         (Incremental_binary::get_script_info): New function.
2287         (Incremental_binary::init_layout): New function.
2288         (Incremental_binary::reserve_layout): New function.
2289         (Incremental_binary::output_file): New function.
2290         (Incremental_binary::do_check_inputs): New function.
2291         (Incremental_binary::do_file_is_unchanged): Remove.
2292         (Incremental_binary::do_file_has_changed): New function.
2293         (Incremental_binary::do_init_layout): New function.
2294         (Incremental_binary::do_reserve_layout): New function.
2295         (Incremental_binary::do_input_file_count): New function.
2296         (Incremental_binary::do_get_input_reader): Change signature.
2297         (Incremental_binary::input_args_map_): New data member.
2298         (Incremental_binary::library_map_): New data member.
2299         (Incremental_binary::script_map_): New data member.
2300         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2301         new data members.
2302         (Sized_incremental_binary::output_section): New function.
2303         (Sized_incremental_binary::inputs_reader): Add const.
2304         (Sized_incremental_binary::symtab_reader): Add const.
2305         (Sized_incremental_binary::relocs_reader): Add const.
2306         (Sized_incremental_binary::got_plt_reader): Add const.
2307         (Sized_incremental_binary::get_symtab_view): New function.
2308         (Sized_incremental_binary::Inputs_reader): New typedef.
2309         (Sized_incremental_binary::Input_entry_reader): New typedef.
2310         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2311         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2312         (Sized_incremental_binary::do_file_has_changed): New function.
2313         (Sized_incremental_binary::do_init_layout): New function.
2314         (Sized_incremental_binary::do_reserve_layout): New function.
2315         (Sized_input_reader::Inputs_reader): Remove.
2316         (Sized_input_reader::Input_entry_reader): Remove.
2317         (Sized_input_reader::do_arg_serial): New function.
2318         (Sized_input_reader::do_get_unused_symbol_count): New function.
2319         (Sized_input_reader::do_get_unused_symbol): New function.
2320         (Sized_incremental_binary::do_input_file_count): New function.
2321         (Sized_incremental_binary::do_get_input_reader): Change signature;
2322         use index instead of filename.
2323         (Sized_incremental_binary::section_map_): New data member.
2324         (Sized_incremental_binary::input_entry_readers_): New data member.
2325         (class Sized_incr_relobj): New class.
2326         (class Sized_incr_dynobj): New class.
2327         (make_sized_incremental_object): New function.
2328         (class Incremental_library): New class.
2329         * layout.cc (Free_list::num_lists): New static data member.
2330         (Free_list::num_nodes): New static data member.
2331         (Free_list::num_removes): New static data member.
2332         (Free_list::num_remove_visits): New static data member.
2333         (Free_list::num_allocates): New static data member.
2334         (Free_list::num_allocate_visits): New static data member.
2335         (Free_list::init): New function.
2336         (Free_list::remove): New function.
2337         (Free_list::allocate): New function.
2338         (Free_list::dump): New function.
2339         (Free_list::print_stats): New function.
2340         (Layout_task_runner::run): Resize output file for incremental updates.
2341         (Layout::Layout): Initialize new data members.
2342         (Layout::set_incremental_base): New function.
2343         (Layout::init_fixed_output_section): New function.
2344         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2345         incremental updates.
2346         (Layout::create_gold_note): Do not create gold note section for
2347         incremental updates.
2348         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2349         for incremental updates.
2350         (Layout::set_section_offsets): For incremental updates, allocate space
2351         from free list.
2352         (Layout::create_symtab_sections): Layout with offsets relative to
2353         start of section; for incremental updates, allocate space from free
2354         list.
2355         (Layout::create_shdrs): For incremental updates, allocate space from
2356         free list.
2357         (Layout::finish_dynamic_section): For incremental updates, do not
2358         check --as-needed (fixed in subsequent patch).
2359         * layout.h (class Free_list): New class.
2360         (Layout::set_incremental_base): New function.
2361         (Layout::incremental_base): New function.
2362         (Layout::init_fixed_output_section): New function.
2363         (Layout::allocate): New function.
2364         (Layout::incremental_base_): New data member.
2365         (Layout::free_list_): New data member.
2366         * main.cc (main): Print Free_list statistics.
2367         * object.cc (Relobj::finalize_incremental_relocs): Add
2368         clear_counts parameter; clear counts only when clear_counts is set.
2369         (Sized_relobj::Sized_relobj): Initialize new base class.
2370         (Sized_relobj::do_layout): Don't report special sections.
2371         (Sized_relobj::do_for_all_local_got_entries): New function.
2372         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2373         symtab_off to all symbol table offsets.
2374         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2375         * object.h (class Got_offset_list): Move to top of file.
2376         (Object::Object): Allow case where input_file == NULL.
2377         (Object::~Object): Likewise.
2378         (Object::input_file): Assert that input_file != NULL.
2379         (Object::lock): Allow case where input_file == NULL.
2380         (Object::unlock): Likewise.
2381         (Object::is_locked): Likewise.
2382         (Object::token): Likewise.
2383         (Object::release): Likewise.
2384         (Object::is_incremental): New function.
2385         (Object::get_mtime): New function.
2386         (Object::for_all_local_got_entries): New function.
2387         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2388         (Object::set_is_in_system_directory): New function.
2389         (Object::is_in_system_directory): New function.
2390         (Object::do_is_incremental): New function.
2391         (Object::do_get_mtime): New function.
2392         (Object::do_for_all_local_got_entries): New function.
2393         (Object::is_in_system_directory_): New data member.
2394         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2395         (class Sized_relobj_base): New class.
2396         (class Sized_relobj): Derive from Sized_relobj_base.
2397         (class Sized_relobj::Symbols): Redeclare from base class.
2398         (class Sized_relobj::local_got_offset_list): Remove.
2399         (class Sized_relobj::Output_sections): Redeclare from base class.
2400         (class Sized_relobj::do_for_all_local_got_entries): New function.
2401         (class Sized_relobj::write_local_symbols): Add offset parameter.
2402         (class Sized_relobj::local_symbol_offset_): Update comment.
2403         (class Sized_relobj::local_dynsym_offset_): Update comment.
2404         * options.cc (Input_arguments::add_file): Remove const.
2405         * options.h (Input_file_argument::Input_file_argument):
2406         Initialize arg_serial_ (all constructors).
2407         (Input_file_argument::set_arg_serial): New function.
2408         (Input_file_argument::arg_serial): New function.
2409         (Input_file_argument::arg_serial_): New data member.
2410         (Input_arguments::Input_arguments): Initialize file_count_.
2411         (Input_arguments::add_file): Remove const.
2412         (Input_arguments::number_of_input_files): New function.
2413         (Input_arguments::file_count_): New data member.
2414         (Command_line::number_of_input_files): Call
2415         Input_arguments::number_of_input_files.
2416         * output.cc (Output_segment_headers::Output_segment_headers):
2417         Set current size.
2418         (Output_section::Input_section::current_data_size): New function.
2419         (Output_section::Output_section): Initialize new data members.
2420         (Output_section::add_input_section): Don't do merge sections for
2421         an incremental link; allocate space from free list for an
2422         incremental update.
2423         (Output_section::add_output_section_data): Allocate space from
2424         free list for an incremental update.
2425         (Output_section::update_data_size): New function.
2426         (Output_section::set_fixed_layout): New function.
2427         (Output_section::reserve): New function.
2428         (Output_segment::set_section_addresses): Remove const.
2429         (Output_segment::set_section_list_addresses): Remove const; allocate
2430         space from free list for an incremental update.
2431         (Output_segment::set_offset): Adjust size of RELRO segment for an
2432         incremental update.
2433         * output.h (Output_data::current_data_size): Move here from
2434         child classes.
2435         (Output_data::pre_finalize_data_size): New function.
2436         (Output_data::update_data_size): New function.
2437         (Output_section_headers::update_data_size): new function.
2438         (Output_section_data_build::current_data_size): Move to Output_data.
2439         (Output_data_strtab::update_data_size): New function.
2440         (Output_section::current_data_size): Move to Output_data.
2441         (Output_section::set_fixed_layout): New function.
2442         (Output_section::has_fixed_layout): New function.
2443         (Output_section::reserve): New function.
2444         (Output_section::update_data_size): New function.
2445         (Output_section::has_fixed_layout_): New data member.
2446         (Output_section::free_list_): New data member.
2447         (Output_segment::set_section_addresses): Remove const.
2448         (Output_segment::set_section_list_addresses): Remove const.
2449         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2450         New function.
2451         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2452         New function.
2453         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2454         parameter when calling Add_symbols constructor; store argument
2455         serial number for members of a lib group.
2456         (Add_symbols::locks): Allow case where token == NULL.
2457         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2458         (Read_member::~Read_member): New function.
2459         (Read_member::is_runnable): New function.
2460         (Read_member::locks): New function.
2461         (Read_member::run): New function.
2462         (Check_script::~Check_script): New function.
2463         (Check_script::is_runnable): New function.
2464         (Check_script::locks): New function.
2465         (Check_script::run): New function.
2466         (Check_library::~Check_library): New function.
2467         (Check_library::is_runnable): New function.
2468         (Check_library::locks): New function.
2469         (Check_library::run): New function.
2470         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2471         (Add_symbols::library_): New data member.
2472         (class Read_member): New class.
2473         (class Check_script): New class.
2474         (class Check_library): New class.
2475         * reloc.cc (Read_relocs::is_runnable): Allow case where
2476         token == NULL.
2477         (Read_relocs::locks): Likewise.
2478         (Scan_relocs::locks): Likewise.
2479         (Relocate_task::locks): Likewise.
2480         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2481         to clear counters.
2482         (Sized_relobj::incremental_relocs_scan): Fix comment.
2483         (Sized_relobj::do_relocate): Pass output file offset to
2484         write_local_symbols.
2485         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2486         from class declaration.
2487         * script.cc (read_input_script): Allocate Script_info; pass
2488         argument serial number to report_script.
2489         * script.h (class Script_info): Move to incremental.h.
2490         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2491         * symtab.h (Symbol_table::add_from_incrobj): New function.
2492         (Symbol_table::set_file_offset): New function.
2493
2494 2011-04-05  Cary Coutant  <ccoutant@google.com>
2495
2496         * incremental-dump.cc (dump_incremental_inputs): Change signature
2497         to take a Sized_incremental_binary; change caller.  Use readers
2498         in Sized_incremental_binary.
2499         * incremental.cc
2500         (Sized_incremental_binary::find_incremental_inputs_sections):
2501         Rename do_find_incremental_inputs_sections to this.
2502         (Sized_incremental_binary::setup_readers): New function.
2503         (Sized_incremental_binary::do_check_inputs): Check
2504         has_incremental_info_ flag; move setup code to setup_readers;
2505         use input readers.
2506         (Sized_incremental_binary::do_file_is_unchanged): New function.
2507         (Sized_incremental_binary::do_get_input_reader): New function.
2508         * incremental.h (class Incremental_binary): Move to end of file.
2509         (Incremental_binary::file_is_unchanged): New function.
2510         (Incremental_binary::do_file_is_unchanged): New function.
2511         (Incremental_binary::Input_reader): New class.
2512         (Incremental_binary::get_input_reader): New function.
2513         (class Sized_incremental_binary): Move to end of file.
2514         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2515         input section reader classes.
2516         (Sized_incremental_binary::has_incremental_info): New function.
2517         (Sized_incremental_binary::inputs_reader): New function.
2518         (Sized_incremental_binary::symtab_reader): New function.
2519         (Sized_incremental_binary::relocs_reader): New function.
2520         (Sized_incremental_binary::got_plt_reader): New function.
2521         (Sized_incremental_binary::do_file_is_unchanged): New function.
2522         (Sized_incremental_binary::Sized_input_reader): New class.
2523         (Sized_incremental_binary::get_input_reader): New function.
2524         (Sized_incremental_binary::find_incremental_inputs_sections):
2525         Rename do_find_incremental_inputs_sections to this.
2526         (Sized_incremental_binary::setup_readers): New function.
2527         (Sized_incremental_binary::has_incremental_info_): New data member.
2528         (Sized_incremental_binary::inputs_reader_): New data member.
2529         (Sized_incremental_binary::symtab_reader_): New data member.
2530         (Sized_incremental_binary::relocs_reader_): New data member.
2531         (Sized_incremental_binary::got_plt_reader_): New data member.
2532         (Sized_incremental_binary::current_input_file_): New data member.
2533
2534 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2535
2536         PR gold/12640
2537         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2538         violation.
2539
2540 2011-03-30  Cary Coutant  <ccoutant@google.com>
2541
2542         * archive.cc (Archive::include_member): Adjust call to report_object.
2543         (Add_archive_symbols::run): Add script_info to call to
2544         report_archive_begin.
2545         (Lib_group::include_member): Adjust call to report_object.
2546         (Add_lib_group_symbols::run): Adjust call to report_object.
2547         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2548         blocks.  Add object count for script input files.
2549         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2550         script_info parameter; change all callers.
2551         (Incremental_inputs::report_object): Add script_info parameter;
2552         change all callers.
2553         (Incremental_inputs::report_script): Store backpointer to
2554         incremental info entry.
2555         (Output_section_incremental_inputs::set_final_data_size): Record
2556         additional information for scripts.
2557         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2558         * incremental.h (Incremental_script_entry::add_object): New function.
2559         (Incremental_script_entry::get_object_count): New function.
2560         (Incremental_script_entry::get_object): New function.
2561         (Incremental_script_entry::objects_): New data member; adjust
2562         constructor.
2563         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2564         (Incremental_inputs::report_object): Add script_info parameter.
2565         (Incremental_inputs_reader::get_object_count): New function.
2566         (Incremental_inputs_reader::get_object_offset): New function.
2567         * options.cc (Input_arguments::add_file): Return reference to
2568         new input argument.
2569         * options.h (Input_argument::set_script_info): New function.
2570         (Input_argument::script_info): New function.
2571         (Input_argument::script_info_): New data member; adjust all
2572         constructors.
2573         (Input_file_group::add_file): Return reference to new input argument.
2574         (Input_file_lib::add_file): Likewise.
2575         (Input_arguments::add_file): Likewise.
2576         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2577         * script.cc (Parser_closure::Parser_closure): Add script_info
2578         parameter; adjust all callers.
2579         (Parser_closure::script_info): New function.
2580         (Parser_closure::script_info_): New data member.
2581         (read_input_script): Report scripts earlier to incremental info.
2582         (script_add_file): Set script_info in Input_argument.
2583         (script_add_library): Likewise.
2584         * script.h (Script_options::Script_info): Rewrite class.
2585
2586 2011-03-29  Cary Coutant  <ccoutant@google.com>
2587
2588         * archive.cc (Library_base::should_include_member): Move
2589         method here from class Archive.
2590         (Archive::Archive): Initialize base class.
2591         (Archive::should_include_member): Move to base class.
2592         (Archive::do_for_all_unused_symbols): New function.
2593         (Add_archive_symbols::run): Remove redundant access to
2594         incremental_inputs.
2595         (Lib_group::Lib_group): Initialize base class.
2596         (Lib_group::do_filename): New function.
2597         (Lib_group::include_member): Pass pointer to Lib_group to
2598         report_object.
2599         (Lib_group::do_for_all_unused_symbols): New function.
2600         (Add_lib_group_symbols::run): Report archive information for
2601         incremental links.
2602         * archive.h (class Library_base): New base class.
2603         (class Archive): Derive from Library_base.
2604         (Archive::filename): Move to base class.
2605         (Archive::set_incremental_info): Likewise.
2606         (Archive::incremental_info): Likewise.
2607         (Archive::Should_include): Likewise.
2608         (Archive::should_include_member): Likewise.
2609         (Archive::Armap_entry): Remove.
2610         (Archive::Unused_symbol_iterator): Remove.
2611         (Archive::unused_symbols_begin): Remove.
2612         (Archive::unused_symbols_end): Remove.
2613         (Archive::do_filename): New function.
2614         (Archive::do_get_mtime): New function.
2615         (Archive::do_for_all_unused_symbols): New function.
2616         (Archive::task_): Move to base class.
2617         (Archive::incremental_info_): Likewise.
2618         (class Lib_group): Derive from Library_base.
2619         (Lib_group::do_filename): New function.
2620         (Lib_group::do_get_mtime): New function.
2621         (Lib_group::do_for_all_unused_symbols): New function.
2622         (Lib_group::task_): Move to base class.
2623         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2624         function.
2625         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2626         function.
2627         * incremental.cc (Incremental_inputs::report_archive_begin):
2628         Use Library_base; call library's get_mtime; add incremental inputs
2629         entry before members.
2630         (class Unused_symbol_visitor): New class.
2631         (Incremental_inputs::report_archive_end): Use Library_base; use
2632         visitor class to record unused symbols; don't add incremental inputs
2633         entry after members.
2634         (Incremental_inputs::report_object): Use Library_base.
2635         * incremental.h
2636         (Incremental_archive_entry::Incremental_archive_entry): Remove
2637         unused Archive parameter.
2638         (Incremental_inputs::report_archive_begin): Use Library_base.
2639         (Incremental_inputs::report_archive_end): Likewise.
2640         (Incremental_inputs::report_object): Likewise.
2641         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2642         function.
2643         * object.h (Object::for_all_global_symbols): New function.
2644         (Object::do_for_all_global_symbols): New function.
2645         (Sized_relobj::do_for_all_global_symbols): New function.
2646         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2647         function.
2648         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2649         function.
2650
2651 2011-03-27  Ian Lance Taylor  <iant@google.com>
2652
2653         * archive.cc (Archive::interpret_header): Return -1 if something
2654         goes wrong.  Change callers accordingly.
2655
2656 2011-03-25  Cary Coutant  <ccoutant@google.com>
2657
2658         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2659         * testsuite/Makefile.in: Regenerate.
2660
2661 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2662
2663         * plugin.cc (get_view): New.
2664         (Plugin::load): Pass get_view to the plugin.
2665         (Plugin_manager::get_view): New.
2666
2667 2011-03-21  Ian Lance Taylor  <iant@google.com>
2668
2669         * testsuite/final_layout.sh: Rewrite to not use dc.
2670         * testsuite/relro_test.sh: Fail if dc is not present.
2671
2672 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2673
2674         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2675         Change == to -eq.
2676         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2677         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2678         Change == to -eq.
2679         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2680         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2681
2682 2011-03-14  Ian Lance Taylor  <iant@google.com>
2683
2684         * script-sections.cc (Sort_output_sections::script_compare):
2685         Rename from is_before, change return type.
2686         (Sort_output_sections::operator()): Adjust accordingly.
2687
2688 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2689
2690         PR gold/12572
2691         * testsuite/odr_violation2.cc: Add comment to make all error line
2692         numbers double digits.
2693         * testsuite/debug_msg.sh: Adjust expected errors.
2694
2695 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2696
2697         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2698         but mark earlier ones as non-canonical
2699         (offset_to_iterator): Update search target and example
2700         (do_addr2line): Return extra lines in a vector*
2701         (format_file_lineno): Extract from do_addr2line
2702         (one_addr2line): Add vector* out-param
2703         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2704         when a lineno entry appeared last for its instruction
2705         (Dwarf_line_info): Add vector* out-param
2706         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2707         * symtab.cc (Odr_violation_compare): Include the lineno in the
2708         comparison again.
2709         (linenos_from_loc): New. Combine the canonical line for an
2710         address with its other lines.
2711         (True_if_intersect): New. Helper functor to make
2712         std::set_intersection a query.
2713         (detect_odr_violations): Compare sets of lines instead of just
2714         one line for each function. This became less deterministic, but
2715         has fewer false positives.
2716         * symtab.h: Declarations.
2717         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2718         mix an optimized and non-optimized object in the same binary
2719         (odr_violation2.so): Same.
2720         * testsuite/Makefile.in: Regenerate from Makefile.am.
2721         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2722         * testsuite/debug_msg.sh: Update line numbers and add
2723         assertions.
2724         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2725         non-optimized context.
2726         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2727         isn't inlined, and use OdrDerived in an optimized context.
2728         * testsuite/odr_header1.h: Defines OdrDerived, where
2729         optimization will change the
2730         first-instruction-in-the-destructor's file and line number.
2731         * testsuite/odr_header2.h: Defines OdrBase.
2732
2733 2011-03-09  Ian Lance Taylor  <iant@google.com>
2734
2735         * fileread.cc (File_read::clear_views): Don't delete the whole
2736         file view.
2737
2738 2011-03-08  Ian Lance Taylor  <iant@google.com>
2739
2740         PR gold/12525
2741         * fileread.cc: #include <climits>.
2742         (GOLD_IOV_MAX): Define.
2743         (File_read::read_multiple): Limit number of entries by iov_max.
2744         * fileread.h (class File_read): Always set max_readv_entries to
2745         128.
2746
2747 2011-03-07  Ian Lance Taylor  <iant@google.com>
2748
2749         PR gold/12525
2750         * options.h (class General_options): Add -dy and -dn.
2751
2752 2011-03-02  Cary Coutant  <ccoutant@google.com>
2753
2754         * testsuite/script_test_9.t: Add TLS segment.
2755
2756 2011-03-02  Simon Baldwin  <simonb@google.com>
2757
2758         * configure.ac: Add check for gnu_indirect_function support in
2759         the toolchain building binutils.
2760         * configure: Rebuild.
2761
2762 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2763
2764         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2765         plugin only symbols.
2766         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2767         in plugin files as not needed in the symbol table.
2768
2769 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2770
2771         * output.cc (Output_section::add_input_section): Delay fill
2772         generation for section ordering.
2773
2774 2011-02-09  Ian Lance Taylor  <iant@google.com>
2775
2776         PR gold/12316
2777         * object.h (class Sized_relobj): Remove clear_local_symbols.
2778         * reloc.cc (Sized_relobj::do_relocate): Don't call
2779         clear_local_symbols.
2780
2781 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2782
2783         * plugin.cc (is_visible_from_outside): Return true for symbols
2784         in the -u option.
2785
2786 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2787
2788         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2789         filename.
2790
2791 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2792
2793         * icf.h (is_section_foldable_candidate): Change type of parameter
2794         to std::string.
2795         * icf.cc (Icf::find_identical_sections): Change type of local variable
2796         section_name to be std::string.
2797         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2798
2799 2011-01-25  Ian Lance Taylor  <iant@google.com>
2800
2801         * script.cc (script_add_extern): Rewrite to use
2802         add_symbol_reference.
2803
2804 2011-01-25  Doug Kwan  <dougkwan@google.com>
2805
2806         * icf.cc (get_section_contents): Always lock section's object.
2807
2808 2011-01-24  Ian Lance Taylor  <iant@google.com>
2809
2810         * options.h (class General_options): Accept
2811         --no-detect-odr-violations.
2812
2813 2011-01-24  Ian Lance Taylor  <iant@google.com>
2814
2815         * version.cc (version_string): Bump to 1.11.
2816
2817 2011-01-24  Ian Lance Taylor  <iant@google.com>
2818
2819         * plugin.cc (class Plugin_rescan): Define new class.
2820         (Plugin_manager::claim_file): Set any_claimed_.
2821         (Plugin_manager::save_archive): New function.
2822         (Plugin_manager::save_input_group): New function.
2823         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2824         necessary.
2825         (Plugin_manager::new_undefined_symbol): New function.
2826         (Plugin_manager::rescan): New function.
2827         (Plugin_manager::rescannable_defines): New function.
2828         (Plugin_manager::add_input_file): Set any_added_.
2829         * plugin.h (class Plugin_manager): define new fields rescannable_,
2830         undefined_symbols_, any_claimed_, and any_added_.  Declare
2831         Plugin_rescan as friend.  Declare new functions.
2832         (Plugin_manager::Rescannable): Define type.
2833         (Plugin_manager::Rescannable_list): Define type.
2834         (Plugin_manager::Undefined_symbol_list): Define type.
2835         (Plugin_manager::Plugin_manager): Initialize new fields.
2836         * archive.cc (Archive::defines_symbol): New function.
2837         (Add_archive_symbols::run): Pass archive to plugins if any.
2838         * archive.h (class Archive): Declare defines_symbol.
2839         * readsyms.cc (Input_group::~Input_group): New function.
2840         (Finish_group::run): Pass input_group to plugins if any.
2841         * readsyms.h (class Input_group): Declare destructor.
2842         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2843         any.
2844
2845 2011-01-10  Ian Lance Taylor  <iant@google.com>
2846
2847         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2848         section as relro.
2849         (Layout::set_segment_offsets): Reset increase_relro before calling
2850         set_section_addresses a second time.
2851
2852 2011-01-04  Cary Coutant  <ccoutant@google.com>
2853
2854         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2855         sections before NOBITS sections.
2856
2857 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2858
2859         * version.cc (print_version): Update copyright to 2011.
2860
2861 2010-12-23  Cary Coutant  <ccoutant@google.com>
2862
2863         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2864         of OS to this->add.  Add OD parameter to second form of the function.
2865
2866 2010-12-20  Ian Lance Taylor  <iant@google.com>
2867
2868         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2869         second of two consecutive entries with same offset.
2870
2871 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2872
2873         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2874         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2875         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2876         to avoid unneeded links against $(LDADD).
2877         * testsuite/Makefile.in: Regenerate.
2878
2879 2010-12-15  Ian Lance Taylor  <iant@google.com>
2880
2881         PR gold/12324
2882         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2883         for R_X86_64_32 and R_X86_64_PC32.
2884         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2885         ver_matching_def_pic.o.
2886         (ver_matching_def_pic.o): New target.
2887
2888 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2889
2890         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2891         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2892         Move definition before File_read::View member definitions.
2893         (File_read::View::~View): Initialize and hold lock before
2894         updating current_mapped_bytes.
2895
2896 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2897
2898         * dwarf_reader.cc: Remove outdated comment.
2899         * gold-threads.cc: Fix typo in error message.
2900         * archive.cc: Fix typos in comments.
2901         * archive.h: Likewise.
2902         * arm-reloc-property.cc: Likewise.
2903         * arm-reloc-property.h: Likewise.
2904         * arm-reloc.def: Likewise.
2905         * arm.cc: Likewise.
2906         * attributes.h: Likewise.
2907         * cref.cc: Likewise.
2908         * ehframe.cc: Likewise.
2909         * fileread.h: Likewise.
2910         * gold.h: Likewise.
2911         * i386.cc: Likewise.
2912         * icf.cc: Likewise.
2913         * incremental.h: Likewise.
2914         * int_encoding.cc: Likewise.
2915         * layout.h: Likewise.
2916         * main.cc: Likewise.
2917         * merge.h: Likewise.
2918         * object.cc: Likewise.
2919         * object.h: Likewise.
2920         * options.cc: Likewise.
2921         * readsyms.cc: Likewise.
2922         * reduced_debug_output.cc: Likewise.
2923         * reloc.cc: Likewise.
2924         * script-sections.cc: Likewise.
2925         * sparc.cc: Likewise.
2926         * symtab.h: Likewise.
2927         * target-reloc.h: Likewise.
2928         * target.cc: Likewise.
2929         * target.h: Likewise.
2930         * timer.cc: Likewise.
2931         * timer.h: Likewise.
2932         * x86_64.cc: Likewise.
2933
2934 2010-12-09  Cary Coutant  <ccoutant@google.com>
2935
2936         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2937         stack.
2938         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2939         parameter; change all callers.
2940         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2941         * options.h (warn_execstack): New option.
2942
2943 2010-12-07  Doug Kwan  <dougkwan@google.com>
2944
2945         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2946         like function call relocations.
2947
2948 2010-12-07  Ian Lance Taylor  <iant@google.com>
2949
2950         * archive.cc (Archive::get_elf_object_for_member): Permit
2951         punconfigured to be NULL.
2952         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2953         (Archive::include_member): Pass NULL to get_elf_object_for_member
2954         if we searched for the archive and this is the first included
2955         object.
2956
2957 2010-12-01  Ian Lance Taylor  <iant@google.com>
2958
2959         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2960         track_relocs_type_ field.
2961         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2962         Set track_relocs_type_.
2963         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2964         contents when using RELA relocs.
2965         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2966         reloc_map_.
2967         * reloc.cc (Track_relocs::next_addend): New function.
2968         * reloc.h (class Track_relocs): Declare next_addend.
2969
2970 2010-12-01  Ian Lance Taylor  <iant@google.com>
2971
2972         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2973         virtual destructor.
2974
2975 2010-12-01  Ian Lance Taylor  <iant@google.com>
2976
2977         * README: Update compilers known to work and fail.
2978
2979 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2980
2981         * configure.in: For --enable-gold, handle value `default' instead of
2982         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2983         not the default.
2984         * configure: Regenerate.
2985
2986 2010-11-18  Doug Kwan  <dougkwan@google.com>
2987
2988         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2989         and right_alignment to be zero.  Store result alignment only if it is
2990         greater than existing alignment.
2991
2992 2010-11-16  Cary Coutant  <ccoutant@google.com>
2993
2994         PR gold/12220
2995         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2996         Check for ".zdebug_line".
2997
2998 2010-11-16  Doug Kwan  <dougkwan@google.com>
2999             Cary Coutant  <ccoutant@google.com>
3000
3001         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3002         by reference; adjust all callers.
3003         * output.cc (Output_segment::set_section_addresses): Adjust references
3004         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3005         list is empty.
3006         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3007         end at page boundary.
3008
3009 2010-11-16  Cary Coutant  <ccoutant@google.com>
3010
3011         PR gold/12220
3012         * layout.cc (Layout::choose_output_section): Transform names of
3013         compressed sections even when using a script with a SECTIONS clause.
3014         (Layout::output_section_name): Remove code to transform
3015         compressed debug section names.
3016         * output.cc (Output_section::add_input_section): Use uncompressed
3017         section size when tracking input sections.
3018
3019 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3020
3021         * symtab.h (Symbol::NON_PIC_REF): Remove.
3022         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3023         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3024         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3025         (Symbol::use_plt_offset): Take a flags argument and pass it
3026         directly to needs_dynamic_reloc.  Restrict check for undefined
3027         weak symbols to function calls.
3028         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3029         (Target_arm::Scan::global): Use it.
3030         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3031         (Target_arm::Relocate::relocate): Likewise.
3032         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3033         parameter with an r_type parameter.  Use get_reference_flags
3034         to get the flags.
3035         (Target_arm::Relocate::relocate): Update accordingly.
3036         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3037         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3038         (Target_i386::Scan::global): Likewise.
3039         (Target_i386::Relocate::relocate): Likewise.
3040         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3041         parameter with an r_type parameter.  Use get_reference_flags
3042         to get the flags.
3043         (Target_i386::Relocate::relocate): Update accordingly.
3044         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3045         (Target_powerpc::Scan::global): Use it.
3046         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3047         (Target_powerpc::Relocate::relocate): Likewise.
3048         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3049         (Target_sparc::Scan::global): Use it.
3050         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3051         (Target_sparc::Relocate::relocate): Likewise.
3052         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3053         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3054         (Target_x86_64::Scan::global): Likewise.
3055         (Target_x86_64::Relocate::relocate): Likewise.
3056
3057 2010-11-08  Doug Kwan  <dougkwan@google.com>
3058             Cary Coutant  <ccoutant@google.com>
3059
3060         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3061         (Arm_exidx_merge_section::section_contents_): New data member.
3062         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3063         (Arm_input_section::~Arm_input_section): De-allocate memory.
3064         (Arm_input_section::original_contents_): New data member.
3065         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3066         in parameters instead of calling Object::section_contents without
3067         locking.
3068         (Arm_output_section::group_section): New parameter TASK.  Pass it
3069         to callees that need locking objects.
3070         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3071         to lock EXIDX input sections.  Fix a formatting issue.  Call
3072         Arm_exidx_merged_section::build_contents to create merged section
3073         contents.
3074         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3075         to lock object of stub table owner.
3076         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3077         TEXT_SIZE to initialize data member TEXT_SIZE_.
3078         (Arm_exidx_input_section::addralign): Fix typo in comment.
3079         (Arm_exidx_input_section::text_size): New method.
3080         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3081         that require locking objects.  Lock objects before scanning for stubs
3082         and updating local symbols.
3083         (Arm_input_section<big_endian>::init): Copy contents of original
3084         input section.
3085         (Arm_input_section<big_endian>::do_write): Use saved contents of
3086         original input section instead of calling Object::section_contents
3087         without locking.
3088         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3089         size without calling Object::section_size().
3090         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3091         for size.  Allocate a buffer for merged EXIDX entries.
3092         (Arm_exidx_merged_section::build_contents): New method.
3093         (Arm_exidx_merged_section::do_write): Move merge section contents
3094         building code to Arm_exidx_merged_section::build_contetns.  Write
3095         out contetns in buffer instead of building it on the fly.
3096         (Arm_relobj::make_exidx_input_section): Also pass text section size
3097         to Arm_exidx_input_section constructor.
3098         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3099         (Arm_dynobj::do_read_symbols): Fix memory leak.
3100         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3101         * target.h: (class Task): Add forward declaration.
3102         (Target::relax): Add new parameter TASK and pass it to
3103         Target::do_relax().
3104         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3105
3106 2010-11-05  Cary Coutant  <ccoutant@google.com>
3107
3108         PR gold/10708
3109         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3110         object when reading from the file.
3111         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3112         second layout pass.
3113         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3114         when reading section contents.
3115         (get_section_contents): Likewise.
3116         (icf::find_identical_sections): Likewise.
3117         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3118         object when reading from the file.
3119         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3120         the object when doing deferred section layout.
3121
3122 2010-11-03  Nick Clifton  <nickc@redhat.com>
3123
3124         PR gold/12001
3125         * script.h (class Symbol_assignment: name): New member.  Returns
3126         the name of the symbol.
3127         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3128         Returns true if the given symbol name is on the list of
3129         assignments wating to be processed.
3130         * archive.cc (should_incldue_member): If the symbol is undefined,
3131         check to see if it is on the list of symbols pending assignment.
3132
3133 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3134
3135         * script-sections.cc (Script_sections::find_memory_region): Check
3136         for a NULL output section pointer.
3137
3138 2010-10-29  Doug Kwan  <dougkwan@google.com>
3139
3140         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3141         Output_section::add_relaxed_input_section.
3142         * output.cc (Output_section::add_relaxed_input_section): Add new
3143         arguments LAYOUT and NAME.  Set section order index.
3144         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3145         Copy section order index.
3146         * output.h (Output_section::add_relaxed_input_section): Add new
3147         arguments LAYOUT and NAME.
3148
3149 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3150
3151         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3152         NATIVE_OR_CROSS_LINKER.
3153         * testsuite/Makefile.in: Regenerate.
3154
3155 2010-10-20  Doug Kwan  <dougkwan@google.com>
3156
3157         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3158         without SHF_LINK_ORDER flags.
3159         * layout.cc (Layout::choose_output_section): Do not filter
3160         SHF_LINK_ORDER flag in a relocatable link.
3161
3162 2010-10-17  Cary Coutant  <ccoutant@google.com>
3163
3164         * output.h (Output_segment::set_section_addresses): Change function
3165         signature.  Update all callers.
3166         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3167         sections.
3168         (Output_segment::set_section_addresses): Align after last TLS
3169         section.  Add padding before last relro section instead of after.
3170
3171 2010-10-17  Doug Kwan  <dougkwan@google.com>
3172
3173         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3174         GOT output section to be writable.
3175
3176 2010-10-14  Cary Coutant  <ccoutant@google.com>
3177
3178         * debug.h (DEBUG_INCREMENTAL): New flag.
3179         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3180         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3181         mode.
3182         * incremental.cc (report_command_line): Ignore all forms of
3183         --incremental.
3184         * layout.cc (Layout::Layout): Check parameters for incremental link
3185         mode.
3186         * options.cc (General_options::parse_incremental): New function.
3187         (General_options::parse_no_incremental): New function.
3188         (General_options::parse_incremental_full): New function.
3189         (General_options::parse_incremental_update): New function.
3190         (General_options::incremental_mode_): New data member.
3191         (General_options::finalize): Check incremental_mode_.
3192         * options.h (General_options): Update help text for --incremental.
3193         Add --no-incremental, --incremental-full, --incremental-update.
3194         (General_options::Incremental_mode): New enum type.
3195         (General_options::incremental_mode): New function.
3196         (General_options::incremental_mode_): New data member.
3197         * parameters.cc (Parameters::incremental_mode_): New data member.
3198         (Parameters::set_options): Set incremental_mode_.
3199         (Parameters::set_incremental_full): New function.
3200         (Parameters::incremental): New function.
3201         (Parameters::incremental_update): New function.
3202         (set_parameters_incremental_full): New function.
3203         * parameters.h (Parameters::set_incremental_full): New function.
3204         (Parameters::incremental): New function.
3205         (Parameters::incremental_update): New function.
3206         (Parameters::incremental_mode_): New data member.
3207         (set_parameters_incremental_full): New function.
3208         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3209         incremental link mode.
3210         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3211         (Sized_relobj::do_relocate_sections): Likewise.
3212         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3213         option.
3214         * testsuite/Makefile.in: Regenerate.
3215         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3216
3217 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3218
3219         * script-sections.h (class Script_sections): Make
3220         Sections_elements typedef public.
3221         * script-sections.cc (class Sort_output_sections): Add elements_
3222         field.  Add constructor which sets it; change all callers.
3223         (Sort_output_sections::is_before): New function.
3224         (Sort_output_sections::operator()): Call is_before.
3225         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3226         conditional.
3227         * testsuite/script_test_10.sh: New test. Test script section
3228         order.
3229         * testsuite/script_test_10.t: Likewise.
3230         * testsuite/script_test_10.s: Likewise.
3231         * testsuite/Makefile.am: Wrap the cross linker tests and the
3232         common tests into NATIVE_OR_CROSS_LINKER.
3233         (check_SCRIPTS): Add script_test_10.sh.
3234         (check_DATA): Add script_test_10.stdout.
3235         (script_test_10.o, script_test_10): New targets.
3236         (script_test_10.stdout): New target.
3237         * configure, testsuite/Makefile.in: Regenerate.
3238
3239 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3240
3241         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3242         error for the deprecated relocations.
3243         (Target_arm::Scan::global): Likewise.
3244         (Target_arm::Relocate::relocate): Likewise.
3245
3246 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3247
3248         * fileread.cc (Input_file::find_file): Initialize *found_name
3249         and *namep when using the fallback search for case 4.
3250
3251 2010-10-11  Cary Coutant  <ccoutant@google.com>
3252
3253         * options.h (class General_options): Redefine -z lazy as an alias for
3254         the negation of -z now.
3255
3256 2010-10-11  Ian Lance Taylor  <iant@google.com>
3257
3258         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3259         binding.
3260
3261 2010-10-06  Nick Clifton  <nickc@redhat.com>
3262
3263         * script-sections.cc(class Memory_region): Remove
3264         current_lma_offset_ field.  Rename current_vma_offset_ to
3265         current_offset_.  Add last_section_ field.
3266         (Memory_region::get_current_vma_address): Rename to
3267         get_current_address.
3268         (Memory_region::get_current_lma_address): Delete.
3269         (Memory_region::increment_vma_offset): Rename to
3270         increment_offset.
3271         (Memory_region::increment_lma_offset): Delete.
3272         (Memory_region::attributes_compatible): New method.  Returns
3273         true if the provided section is compatible with the region.
3274         (Memory_region::get_last_section): New method.  Returns the last
3275         section to use the region.
3276         (Memory_region::set_last_section): New method.  Stores the last
3277         section to use the region.
3278         (Script_sections::block_in_region): New method.  Returns true if
3279         a block of memory is contained within a region.
3280         (Script_sections::find_memory_region): New method.  Locates a
3281         memory region to be used to set a VMA or LMA address.
3282         (Output_section_definition::set_section_addresses): Add code to
3283         check for addresses set by memory regions.
3284         (Output_segment::set_section_addresses): Remove memory region
3285         walking code.
3286         (Script_sections::create_segment): Add a warning if a header
3287         segment is created outside of any region.
3288         * script-sections.h (class Script_sections): Add prototypes for
3289         find_memory_region and block_in_region methods.
3290         * testsuite/memory_test.s: Use .long instead of .word.
3291         * testsuite/memory_test.t: Add some more output sections.
3292         * testsuite/memory_test.sh: Update expected output.
3293
3294 2010-10-02  Doug Kwan  <dougkwan@google.com>
3295
3296         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3297         defintion to symtab.h
3298         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3299         declaration to defintion.
3300
3301 2010-10-01  Nick Clifton  <nickc@redhat.com>
3302
3303         * expression.cc (eval): Replace dummy argument with NULL.
3304         (eval_maybe_dot): Check for a NULL result section pointer.
3305         (Symbol_expression::value): Likewise.
3306         (Dot_expression::value): Likewise.
3307         (BINARY_EXPRESSION): Likewise.
3308         (Max_expression::value): Likewise.
3309         (Min_expression::value): Likewise.
3310         (Absolute_expression::value): Likewise.
3311         (Addr_expression::value_from_output_section): Likewise.
3312         (Loaddddr_expression::value_from_output_section): Likewise.
3313         (Segment_start_expression::value): Likewise.
3314         * script-sections.cc
3315         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3316         argument with NULL.
3317         (Sections_elememt_dot_assignment::set_section_addresses):
3318         Likewise.
3319         (Output_data_expression::do_write_to_buffer): Likewise.
3320         (Output_section_definition::finalize_symbols): Likewise.
3321         (Output_section_definition::set_section_addresses): Likewise.
3322
3323 2010-09-30  Doug Kwan  <dougkwan@google.com>
3324
3325         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3326
3327 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3328
3329         * target.h (Target::can_icf_inline_merge_sections): New virtual
3330         function.
3331         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3332         virtual function.
3333         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3334         virtual function.
3335         * icf.cc (get_section_contents): Inline merge sections only when
3336         target allows it.
3337
3338 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3339
3340         * configure: Regenerate.
3341
3342 2010-09-17  Ian Lance Taylor  <iant@google.com>
3343
3344         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3345         * testsuite/Makefile.am (memory_test.o): New target.
3346         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3347         memory_test.t.
3348         * testsuite/Makefile.in: Rebuild.
3349
3350 2010-09-17  Doug Kwan  <dougkwan@google.com>
3351
3352         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3353         defintion if relocation uses GOT entries of the symbol.
3354         * testsuite/icf_safe_test.sh: Fix test.
3355         * testsuite/icf_safe_so_test.sh: Fix test.
3356
3357 2010-09-16  Cary Coutant  <ccoutant@google.com>
3358
3359         * script_sections.cc (class Memory_region): Remove "NULL" from
3360         vector initializations.
3361
3362 2010-09-15  Cary Coutant  <ccoutant@google.com>
3363
3364         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3365         Resolve forwarding symbols.
3366
3367 2010-09-15  Doug Kwan  <dougkwan@google.com>
3368
3369         * gold/testsuite/script_test_3.t: Add ARM special sections.
3370         * gold/testsuite/script_test_4.t: Same.
3371         * gold/testsuite/script_test_5.t: Same.
3372         * gold/testsuite/script_test_6.t: Same.
3373         * gold/testsuite/script_test_7.t: Same.
3374         * gold/testsuite/script_test_7.t: Same.
3375         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3376
3377 2010-09-14  Cary Coutant  <ccoutant@google.com>
3378
3379         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3380         (Target_x86_64::Relocate::relocate_tls): Replace check for
3381         saw_tls_block_reloc_ with test for executable section.
3382
3383 2010-09-12  Cary Coutant  <ccoutant@google.com>
3384
3385         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3386         position-independent executables to shared libraries need dynamic
3387         relocations.
3388         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3389         position-independent executables.
3390         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3391         * testsuite/Makefile.in: Regenerate.
3392
3393 2010-09-10  Nick Clifton  <nickc@redhat.com>
3394
3395         PR gold/11997
3396         * testsuite/memory_test.t: Discard any sections that are not
3397         needed.
3398
3399 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3400
3401         PR gold/11996
3402         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3403         "This::" to work around a bug in gcc 4.2.
3404
3405         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3406
3407 2010-09-09  Rafael Espindola  <espindola@google.com>
3408
3409         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3410         sections with different PF_X flags in the same segment.
3411         (Layout::find_first_load_seg): Search all segments to find the first
3412         one.
3413         * options.h (rosegment): New.
3414
3415 2010-09-08  Rafael Espindola  <espindola@google.com>
3416
3417         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3418
3419 2010-09-08  Doug Kwan  <dougkwan@google.com>
3420
3421         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3422         (Arm_relobj::do_relocate_sections): Add new parameter for output
3423         file to match the parent.
3424         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3425         of local symbols instead of input values.  Update code to track
3426         changes in gold::relocate_section.
3427         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3428         (Sized_relobj::compute_final_local_value_internal): New methods.
3429         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3430         body into private version of Sized_relobj::compute_final_local_value.
3431         Call the inline method.
3432         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3433         merged symbol value if there is one.
3434         (Symbol_value::has_output_value): New method defintiion.
3435         (Sized_relobj::Compute_final_local_value_status): New enum type.
3436         (Sized_relobj::compute_final_local_value): New methods.
3437         (Sized_relobj::compute_final_local_value_internal): New methods.
3438         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3439         and arm_cortex_a8.sh.
3440         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3441         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3442         New tests.
3443         * Makefile.in: Regenerate.
3444         * testsuite/arm_bl_out_of_range.s: Update test.
3445         * testsuite/thumb_bl_out_of_range.s: Ditto.
3446         * testsuite/thumb_blx_out_of_range.s: Ditto.
3447         * testsuite/arm_branch_out_of_range.sh: New file.
3448         * testsuite/arm_cortex_a8.sh: Ditto.
3449         * testsuite/arm_cortex_a8_b.s: Ditto.
3450         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3451         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3452         * testsuite/arm_cortex_a8_bl.s: Ditto.
3453         * testsuite/arm_cortex_a8_blx.s: Ditto.
3454         * testsuite/arm_cortex_a8_local.s: Ditto.
3455         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3456         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3457
3458 2010-09-08  Rafael Espindola  <espindola@google.com>
3459
3460         * Makefile.am (memory_test.stdout): Run readelf with -W.
3461         * Makefile.in: Regenerate.
3462         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3463         64 bit output.
3464
3465 2010-09-08  Rafael Espindola  <espindola@google.com>
3466
3467         * script-sections.cc (Script_sections::add_memory_region): Convert
3468         field precision to int.
3469         * script.cc (script_set_section_region, script_set_section_region):
3470         Convert field precision to int.
3471
3472 2010-09-08  Rafael Espindola  <espindola@google.com>
3473
3474         * arm.cc (do_finalize_sections): Create the __exidx_start and
3475         __exdix_end symbols even when the section is missing.
3476
3477 2010-09-08  Nick Clifton  <nickc@redhat.com>
3478
3479         * README: Remove claim that MEMORY is not supported.
3480         * expression.cc (script_exp_function_origin)
3481         (script_exp_function_length): Move from here to ...
3482         * script.cc: ... here.
3483         (script_set_section_region, script_add_memory)
3484         (script_parse_memory_attr, script_include_directive): New
3485         functions.
3486         * script-sections.cc
3487         (class Memory_region): New class.
3488         (class Output_section_definition): Add set_memory_region,
3489         set_section_vma, set_section_lma and get_section_name methods.
3490         (class Script_Sections): Add add_memory_region,
3491         find_memory_region, find_memory_region_origin,
3492         find_memory_region_length and set_memory_region methods.
3493         Have set_section_addresses method walk the list of set memory
3494         regions.
3495         Extend the print methos to display memory regions.
3496         * script-sections.h: Add prototypes for new methods.
3497         Add enum for MEMORY region attributes.
3498         * yyscript.y: Add support for parsing MEMORY regions.
3499         * script-c.h: Add prototypes for new functions.
3500         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3501         * testsuite/Makefile.in: Regenerate.
3502         * testsuite/memory_test.sh: New script.
3503         * testsuite/memory_test.s: New assembler source file.
3504         * testsuite/memory_test.t: New linker script.
3505
3506 2010-08-27  Doug Kwan  <dougkwan@google.com>
3507
3508         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3509         reference override an existing dynamic weak reference.
3510         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3511         * testsuite/Makefile.in: Regenerate.
3512         * testsuite/dyn_weak_ref.sh: New file.
3513         * testsuite/dyn_weak_ref_1.c: Ditto.
3514         * testsuite/dyn_weak_ref_2.c: Ditto.
3515
3516 2010-08-27  Ian Lance Taylor  <iant@google.com>
3517
3518         * incremental.h (class Incremental_input_entry): Add virtual
3519         destructor.
3520
3521 2010-08-27  Ian Lance Taylor  <iant@google.com>
3522
3523         * testsuite/start_lib_test_3.c: Mark t3 as used.
3524
3525 2010-08-27  Nick Clifton  <nickc@redhat.com>
3526
3527         * options.cc (version_script): Fix small typo in previous
3528         whitespace tidyup.
3529
3530 2010-08-25  Nick Clifton  <nickc@redhat.com>
3531
3532         * archive.cc: Formatting fixes: Remove whitespace between
3533         typename and following asterisk.  Remove whitespace between
3534         function name and opening parenthesis.
3535         * archive.h: Likewise.
3536         * arm.cc: Likewise.
3537         * attributes.cc: Likewise.
3538         * attributes.h: Likewise.
3539         * common.cc: Likewise.
3540         * copy-relocs.cc: Likewise.
3541         * dirsearch.h: Likewise.
3542         * dynobj.cc: Likewise.
3543         * ehframe.cc: Likewise.
3544         * ehframe.h: Likewise.
3545         * expression.cc: Likewise.
3546         * fileread.cc: Likewise.
3547         * fileread.h: Likewise.
3548         * gc.h: Likewise.
3549         * gold-threads.cc: Likewise.
3550         * gold.cc: Likewise.
3551         * i386.cc: Likewise.
3552         * icf.h: Likewise.
3553         * incremental-dump.cc: Likewise.
3554         * incremental.cc: Likewise.
3555         * layout.cc: Likewise.
3556         * layout.h: Likewise.
3557         * main.cc: Likewise.
3558         * merge.cc: Likewise.
3559         * merge.h: Likewise.
3560         * object.cc: Likewise.
3561         * object.h: Likewise.
3562         * options.cc: Likewise.
3563         * options.h: Likewise.
3564         * output.cc: Likewise.
3565         * output.h: Likewise.
3566         * plugin.cc: Likewise.
3567         * plugin.h: Likewise.
3568         * powerpc.cc: Likewise.
3569         * reloc.cc: Likewise.
3570         * script-c.h: Likewise.
3571         * script-sections.cc: Likewise.
3572         * script.cc: Likewise.
3573         * stringpool.cc: Likewise.
3574         * symtab.cc: Likewise.
3575         * symtab.h: Likewise.
3576         * target.cc: Likewise.
3577         * timer.cc: Likewise.
3578         * timer.h: Likewise.
3579         * version.cc: Likewise.
3580         * x86_64.cc: Likewise.
3581
3582 2010-08-24  Nick Clifton  <nickc@redhat.com>
3583
3584         PR 11899
3585         * layout.cc (segment_precedes): Sort segments by their physical
3586         addresses, if they have been set.
3587
3588 2010-08-23  Cary Coutant  <ccoutant@google.com>
3589
3590         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3591         symbols data.
3592         (Lib_group::include_member): Unlock object after deleting its
3593         symbols data.
3594         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3595         the bug fixed here.
3596
3597 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3598             Cary Coutant  <ccoutant@google.com>
3599
3600         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3601         constructor, and set_blocker.
3602         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3603         readsyms_blocker_.
3604         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3605         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3606         * testsuite/Makefile.am (start_lib_test): New test case.
3607         * testsuite/Makefile.in: Regenerate.
3608         * testsuite/start_lib_test_main.c: New file.
3609         * testsuite/start_lib_test_1.c: New file.
3610         * testsuite/start_lib_test_2.c: New file.
3611         * testsuite/start_lib_test_3.c: New file.
3612
3613 2010-08-19  Ian Lance Taylor  <iant@google.com>
3614
3615         * Makefile.in: Rebuild with automake 1.11.1.
3616         * aclocal.m4: Likewise.
3617         * testsuite/Makefile.in: Likewise.
3618
3619 2010-08-19  Ian Lance Taylor  <iant@google.com>
3620
3621         PR 10893
3622         * i386.cc (class Output_data_plt_i386): Update declarations.
3623         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3624         local_ifuncs_ fields.
3625         (Target_i386::do_plt_section_for_global): New function.
3626         (Target_i386::do_plt_section_for_local): New function.
3627         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3628         parameter; change all callers.  Initialize global_ifuncs_ and
3629         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3630         __rel_iplt_end.
3631         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3632         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3633         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3634         symbols.
3635         (Target_i386::make_plt_section): New function, broken out of
3636         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3637         (Target_i386::make_plt_entry): Call make_plt_section.
3638         (Target_i386::make_local_ifunc_plt_entry): New function.
3639         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3640         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3641         R_386_IRELATIVE to switch.
3642         (Target_i386::Scan::global): Likewise.
3643         (Target_i386::Relocate::relocate): Likewise.
3644         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3645         switch.
3646         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3647         (Target_x86_64::do_plt_section_for_global): New function.
3648         (Target_x86_64::do_plt_section_for_local): New function.
3649         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3650         parameter; change all callers.  If doing a static link define
3651         __rela_iplt_start and __rela_iplt_end.
3652         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3653         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3654         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3655         to point to .plt.
3656         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3657         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3658         switch.
3659         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3660         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3661         R_X86_64_IRELATIVE to switch.
3662         (Target_x86_64::Scan::global): Likewise.
3663         (Target_x86_64::Relocate::relocate): Likewise.
3664         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3665         switch.
3666         * target.h (class Target): Add plt_section_for_global and
3667         plt_section_for_local functions.  Add do_plt_section_for_global
3668         and do_plt_section_for_local virtual functions.
3669         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3670         clarifying comments.
3671         (Symbol::use_plt_offset): Handle IFUNC symbol.
3672         * object.cc (Sized_relobj::Sized_relobj): Initialize
3673         local_plt_offsets_.
3674         (Sized_relobj::local_has_plt_offset): New function.
3675         (Sized_relobj::local_plt_offset): New function.
3676         (Sized_relobj::set_local_plt_offset): New function.
3677         (Sized_relobj::do_count): Handle IFUNC symbol.
3678         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3679         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3680         is_ifunc_symbol functions.
3681         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3682         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3683         local_plt_offsets_ field.
3684         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3685         * output.h (class Output_section_data): Add non-const
3686         output_section function.
3687         (class Output_data_got): Update declarations.
3688         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3689         Add use_plt_offset parameter to global and local constructors.
3690         Change all callers.  Change local_sym_index_ field to 31 bits.
3691         Change GSYM_CODE and CONSTANT_CODE accordingly.
3692         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3693         doing a static link don't set sh_link field.
3694         (Output_data_got::Got_entry::write): Use PLT offset if
3695         appropriate.
3696         (Output_data_got::add_global_plt): New function.
3697         (Output_data_got::add_local_plt): New function.
3698         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3699         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3700         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3701         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3702         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3703         IFUNC conditional.
3704         * testsuite/ifunc-sel.h: New file.
3705         * testsuite/ifuncmain1.c: New file.
3706         * testsuite/ifuncmain1vis.c: New file.
3707         * testsuite/ifuncmod1.c: New file.
3708         * testsuite/ifuncdep2.c: New file.
3709         * testsuite/ifuncmain2.c: New file.
3710         * testsuite/ifuncmain3.c: New file.
3711         * testsuite/ifuncmod3.c: New file.
3712         * testsuite/ifuncmain4.c: New file.
3713         * testsuite/ifuncmain5.c: New file.
3714         * testsuite/ifuncmod5.c: New file.
3715         * testsuite/ifuncmain6pie.c: New file.
3716         * testsuite/ifuncmod6.c: New file.
3717         * testsuite/ifuncmain7.c: New file.
3718         * configure, testsuite/Makefile.in: Rebuild.
3719
3720 2010-08-18  Ian Lance Taylor  <iant@google.com>
3721
3722         * incremental.cc
3723         (Output_section_incremental_inputs::write_input_files): Add cast
3724         to avoid signed/unsigned comparison warning.
3725         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3726
3727 2010-08-12  Cary Coutant  <ccoutant@google.com>
3728
3729         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3730
3731 2010-08-13  Ian Lance Taylor  <iant@google.com>
3732
3733         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3734
3735 2010-08-12  Cary Coutant  <ccoutant@google.com>
3736             Doug Kwan  <dougkwan@google.com>
3737
3738         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3739         defintion overrides non-weak undef, remember that the original undef
3740         is not weak.
3741         * symtab.cc (Symbol_table::sized_write_global): For undef without
3742         an original weak binding, set binding to global in output.
3743         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3744         * testsuite/Makefile.in: Regenerate.
3745         * testsuite/strong_ref_weak_def.sh: New file.
3746         * testsuite/strong_ref_weak_def_1.c: Ditto.
3747         * testsuite/strong_ref_weak_def_2.c: Ditto.
3748
3749 2010-08-12  Cary Coutant  <ccoutant@google.com>
3750
3751         * testsuite/incremental_test.sh: Rewrite.
3752         * testsuite/incremental_test_1.c: Rewrite.
3753         * testsuite/incremental_test_2.c: Rewrite.
3754
3755 2010-08-12  Cary Coutant  <ccoutant@google.com>
3756
3757         * arm.cc (Target_arm::got_size): Add const.
3758         (Target_arm::got_entry_count): New function.
3759         (Target_arm::plt_entry_count): New function.
3760         (Target_arm::first_plt_entry_offset): New function.
3761         (Target_arm::plt_entry_size): New function.
3762         (Output_data_plt_arm::entry_count): New function.
3763         (Output_data_plt_arm::first_plt_entry_offset): New function.
3764         (Output_data_plt_arm::get_plt_entry_size): New function.
3765         * i386.cc (Target_i386::got_size): Add const.
3766         (Target_i386::got_entry_count): New function.
3767         (Target_i386::plt_entry_count): New function.
3768         (Target_i386::first_plt_entry_offset): New function.
3769         (Target_i386::plt_entry_size): New function.
3770         (Output_data_plt_i386::entry_count): New function.
3771         (Output_data_plt_i386::first_plt_entry_offset): New function.
3772         (Output_data_plt_i386::get_plt_entry_size): New function.
3773         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3774         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3775         * incremental.cc: Include target.h.
3776         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3777         parameter.  Adjust all callers.  Find incremental_got_plt section.
3778         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3779         section.
3780         (Output_section_incremental_inputs::set_final_data_size): Calculate
3781         size of incremental_got_plt section.
3782         (Output_section_incremental_inputs::do_write): Write the
3783         incremental_got_plt section.
3784         (Got_plt_view_info): New struct.
3785         (Local_got_offset_visitor): New class.
3786         (Global_got_offset_visitor): New class.
3787         (Global_symbol_visitor_got_plt): New class.
3788         (Output_section_incremental_inputs::write_got_plt): New function.
3789         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3790         Add parameter.  Adjust all callers.
3791         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3792         (Incremental_inputs::got_plt_section): New function.
3793         (Incremental_inputs::got_plt_section_): New data member.
3794         (Incremental_got_plt_reader): New class.
3795         * layout.cc (Layout::create_incremental_info_sections): Add the
3796         incremental_got_plt section.
3797         * object.h (Got_offset_list::get_list): New function.
3798         (Got offset_list::for_all_got_offsets): New function.
3799         (Sized_relobj::local_got_offset_list): New function.
3800         * powerpc.cc (Target_powerpc::got_size): Add const.
3801         (Target_powerpc::got_entry_count): New function.
3802         (Target_powerpc::plt_entry_count): New function.
3803         (Target_powerpc::first_plt_entry_offset): New function.
3804         (Target_powerpc::plt_entry_size): New function.
3805         (Output_data_plt_powerpc::entry_count): New function.
3806         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3807         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3808         * sparc.cc (Target_sparc::got_size): Add const.
3809         (Target_sparc::got_entry_count): New function.
3810         (Target_sparc::plt_entry_count): New function.
3811         (Target_sparc::first_plt_entry_offset): New function.
3812         (Target_sparc::plt_entry_size): New function.
3813         (Output_data_plt_sparc::entry_count): New function.
3814         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3815         (Output_data_plt_sparc::get_plt_entry_size): New function.
3816         * symtab.h (Symbol::got_offset_list): New function.
3817         (Symbol_table::for_all_symbols): New function.
3818         * target.h (Sized_target::got_entry_count): New function.
3819         (Sized_target::plt_entry_count): New function.
3820         (Sized_target::plt_entry_size): New function.
3821         * x86_64.cc (Target_x86_64::got_size): Add const.
3822         (Target_x86_64::got_entry_count): New function.
3823         (Target_x86_64::plt_entry_count): New function.
3824         (Target_x86_64::first_plt_entry_offset): New function.
3825         (Target_x86_64::plt_entry_size): New function.
3826         (Output_data_plt_x86_64::entry_count): New function.
3827         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3828         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3829
3830 2010-08-12  Cary Coutant  <ccoutant@google.com>
3831
3832         * archive.cc: Include incremental.h.
3833         (Archive::Archive): Initialize incremental_info_.
3834         (Archive::include_member): Record archive members in incremental info.
3835         (Add_archive_symbols::run): Record begin and end of an archive in
3836         incremental info.
3837         (Lib_group::include_member): Record objects in incremental info.
3838         * archive.h (Incremental_archive_entry): Forward declaration.
3839         (Archive::set_incremental_info): New member function.
3840         (Archive::incremental_info): New member function.
3841         (Archive::Unused_symbol_iterator): New class.
3842         (Archive::unused_symbols_begin): New member function.
3843         (Archive::unused_symbols_end): New member function.
3844         (Archive::incremental_info_): New data member.
3845         * incremental-dump.cc (find_input_containing_global): New function.
3846         (dump_incremental_inputs): Dump new incremental info sections.
3847         * incremental.cc: Include symtab.h.
3848         (Output_section_incremental_inputs): New class.
3849         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3850         new incremental info sections.
3851         (Sized_incremental_binary::do_check_inputs): Likewise.
3852         (Incremental_inputs::report_archive): Remove.
3853         (Incremental_inputs::report_archive_begin): New function.
3854         (Incremental_inputs::report_archive_end): New function.
3855         (Incremental_inputs::report_object): New function.
3856         (Incremental_inputs::finalize_inputs): Remove.
3857         (Incremental_inputs::report_input_section): New function.
3858         (Incremental_inputs::report_script): Rewrite.
3859         (Incremental_inputs::finalize): Do nothing but finalize string table.
3860         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3861         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3862         (Incremental_inputs::create_data_sections): New function.
3863         (Incremental_inputs::relocs_entsize): New function.
3864         (Output_section_incremental_inputs::set_final_data_size): New function.
3865         (Output_section_incremental_inputs::do_write): New function.
3866         (Output_section_incremental_inputs::write_header): New function.
3867         (Output_section_incremental_inputs::write_input_files): New function.
3868         (Output_section_incremental_inputs::write_info_blocks): New function.
3869         (Output_section_incremental_inputs::write_symtab): New function.
3870         * incremental.h (Incremental_script_entry): Forward declaration.
3871         (Incremental_object_entry): Forward declaration.
3872         (Incremental_archive_entry): Forward declaration.
3873         (Incremental_inputs): Forward declaration.
3874         (Incremental_inputs_header_data): Remove.
3875         (Incremental_inputs_header): Remove.
3876         (Incremental_inputs_header_write): Remove.
3877         (Incremental_inputs_entry_data): Remove.
3878         (Incremental_inputs_entry): Remove.
3879         (Incremental_inputs_entry_write): Remove.
3880         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3881         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3882         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3883         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3884         Likewise.
3885         (Incremental_input_entry): New class.
3886         (Incremental_script_entry): New class.
3887         (Incremental_object_entry): New class.
3888         (Incremental_archive_entry): New class.
3889         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3890         (Incremental_inputs::report_inputs): Remove.
3891         (Incremental_inputs::report_archive): Remove.
3892         (Incremental_inputs::report_archive_begin): New function.
3893         (Incremental_inputs::report_archive_end): New function.
3894         (Incremental_inputs::report_object): Change prototype.
3895         (Incremental_inputs::report_input_section): New function.
3896         (Incremental_inputs::report_script): Change prototype.
3897         (Incremental_inputs::get_reloc_count): New function.
3898         (Incremental_inputs::set_reloc_count): New function.
3899         (Incremental_inputs::create_data_sections): New function.
3900         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3901         (Incremental_inputs::inputs_section): New function.
3902         (Incremental_inputs::symtab_section): New function.
3903         (Incremental_inputs::relocs_section): New function.
3904         (Incremental_inputs::get_stringpool): Add const.
3905         (Incremental_inputs::command_line): Add const.
3906         (Incremental_inputs::inputs): Remove.
3907         (Incremental_inputs::command_line_key): New function.
3908         (Incremental_inputs::input_file_count): New function.
3909         (Incremental_inputs::input_files): New function.
3910         (Incremental_inputs::relocs_entsize): New function.
3911         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3912         (Incremental_inputs::finalize_inputs): Remove.
3913         (Incremental_inputs::Input_info): Remove.
3914         (Incremental_inputs::lock_): Remove.
3915         (Incremental_inputs::inputs_): Change type.
3916         (Incremental_inputs::inputs_map_): Remove.
3917         (Incremental_inputs::current_object_entry_): New data member.
3918         (Incremental_inputs::inputs_section_): New data member.
3919         (Incremental_inputs::symtab_section_): New data member.
3920         (Incremental_inputs::relocs_section_): New data member.
3921         (Incremental_inputs::reloc_count_): New data member.
3922         (Incremental_inputs_reader): New class.
3923         (Incremental_symtab_reader): New class.
3924         (Incremental_relocs_reader): New class.
3925         * layout.cc (Layout::finalize): Move finalization of incremental info
3926         and creation of incremental info sections to follow finalization of
3927         symbol table.  Set offsets for postprocessing sections.
3928         (Layout::create_incremental_info_sections): Call
3929         Incremental_inputs::create_data_sections.  Add incremental symtab
3930         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3931         sections to layout after input sections.
3932         * layout.h (struct Timespec): Forward declaration.
3933         (Layout::incremental_inputs): Add const.
3934         (Layout::create_incremental_info_sections): Add parameter.
3935         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3936         * object.cc: Include incremental.h.
3937         (Relobj::finalize_incremental_relocs): New function.
3938         (Sized_relobj::do_layout): Record input sections in incremental info.
3939         * object.h (Object::output_section): New function.
3940         (Object::output_section_offset): Moved from Relobj.
3941         (Object::get_incremental_reloc_base): New function.
3942         (Object::get_incremental_reloc_count): New function.
3943         (Object::do_output_section): New function.
3944         (Object::do_output_section_offset): Moved from Relobj.
3945         (Object::do_get_incremental_reloc_base): New function.
3946         (Object::do_get_incremental_reloc_count): New function.
3947         (Object::Object): Initialize new data members.
3948         (Relobj::output_section): Renamed do_output_section and moved to
3949         protected.
3950         (Relobj::output_section_offset): Moved to Object.
3951         (Relobj::do_get_incremental_reloc_base): New function.
3952         (Relobj::do_get_incremental_reloc_count): New function.
3953         (Relobj::allocate_incremental_reloc_counts): New function.
3954         (Relobj::count_incremental_reloc): New function.
3955         (Relobj::finalize_incremental_relocs): New function.
3956         (Relobj::next_incremental_reloc_index): New function.
3957         (Relobj::reloc_counts_): New data member.
3958         (Relobj::reloc_bases_): New data member.
3959         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3960         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3961         (Sized_relobj::incremental_relocs_scan): New function.
3962         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3963         (Sized_relobj::incremental_relocs_write): New function.
3964         (Sized_relobj::incremental_relocs_write_reltype): New function.
3965         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3966         incremental link.
3967         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3968         archives and object files elsewhere.
3969         (Add_symbols::run): Report object files here.
3970         (Finish_group::run): Report end of archive at end of group.
3971         * reloc.cc: Include layout.h, incremental.h.
3972         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3973         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3974         (Sized_relobj::incremental_relocs_scan): New function.
3975         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3976         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3977         (Sized_relobj::incremental_relocs_write): New function.
3978         (Sized_relobj::incremental_relocs_write_reltype): New function.
3979         * script.cc (read_input_script): Rewrite test for incremental link.
3980         Change call to Incremental_inputs::report_script.
3981         * symtab.h (Symbol_table::first_global_index): New function.
3982         (Symbol_table::output_count): New function.
3983
3984 2010-08-12  Doug Kwan  <dougkwan@google.com>
3985
3986         * arm.cc (Target_arm::merge_object_attributes): Check command line
3987         options --no-wchar-size-warning and --no-enum-size-warning.
3988         * options.h (General_options): Add ld-compatible options
3989         --no-enum-size-warning and --no-wchar-size-warning.
3990
3991 2010-08-04  Ian Lance Taylor  <iant@google.com>
3992
3993         * x86_64.cc (Target_x86_64::Scan::local): Use
3994         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3995         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3996         (Target_x86_64::Scan::global): Likewise.
3997         (Target_x86_64::Relocate::relocate): Likewise.
3998         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3999         Likewise.
4000
4001 2010-08-03  Cary Coutant  <ccoutant@google.com>
4002
4003         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4004         to reserve space in merged_strings vector. Keep total input size
4005         for stats.
4006         (Output_merge_string::do_print_merge_stats): Print total input size.
4007         * merge.h (Output_merge_string): Add input_size_ field.
4008         * stringpool.cc (Stringpool_template::string_length): Move
4009         implementations out of Stringpool_template class and place in
4010         stringpool.h.
4011         * stringpool.h (string_length): Move out of Stringpool_template.
4012
4013 2010-08-03  Ian Lance Taylor  <iant@google.com>
4014
4015         PR 11712
4016         * layout.cc (relaxation_loop_body): If address of load segment is
4017         set, adjust address to include headers if possible.
4018
4019 2010-08-03  Ian Lance Taylor  <iant@google.com>
4020
4021         * version.cc (version_string): Bump to 1.10.
4022
4023 2010-08-03  Ian Lance Taylor  <iant@google.com>
4024
4025         PR 11805
4026         * layout.h (enum Output_section_order): Define.
4027         (class Layout): Update declarations.
4028         * layout.cc (Layout::get_output_section): Add order parameter.
4029         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4030         is_first_non_relro parameters.  Change all callers.
4031         (Layout::choose_output_section): Likewise.
4032         (Layout::add_output_section_data): Likewise.
4033         (Layout::make_output_section): Likewise.  Set order.
4034         (Layout::default_section_order): New function.
4035         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4036         * output.cc (Output_section::Output_section): Initialize order_.
4037         Don't initialize deleted fields.
4038         (Output_segment::Output_segment): Don't initialize deleted
4039         fields.
4040         (Output_segment::add_output_section_to_load): New function
4041         replacing add_output_section.  Change all callers to call this or
4042         add_output_section_to_nonload.
4043         (Output_segment::add_output_section_to_nonload): New function.
4044         (Output_segment::remove_output_section): Rewrite.
4045         (Output_segment::add_initial_output_data): Likewise.
4046         (Output_segment::has_any_data_sections): Likewise.
4047         (Output_segment::is_first_section_relro): Likewise.
4048         (Output_segment::maximum_alignment): Likewise.
4049         (Output_segment::has_dynamic_reloc): New function replacing
4050         dynamic_reloc_count.  Change all callers.
4051         (Output_segment::has_dynamic_reloc_list): New function replacing
4052         dynamic_reloc_count_list.  Change all callers.
4053         (Output_segment::set_section_addresses): Rewrite.
4054         (Output_segment::set_offset): Rewrite.
4055         (Output_segment::find_first_and_last_list): Remove.
4056         (Output_segment::set_tls_offsets): Rewrite.
4057         (Output_segment::first_section_load_address): Likewise.
4058         (Output_segment::output_section_count): Likewise.
4059         (Output_segment::section_with_lowest_load_address): Likewise.
4060         (Output_segment::write_section_headers): Likewise.
4061         (Output_segment::print_sections_to_map): Likewise.
4062         * output.h (class Output_data): Remove dynamic_reloc_count_
4063         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4064         (Output_data::add_dynamic_reloc): Rewrite.
4065         (Output_data::has_dynamic_reloc): New function.
4066         (Output_data::dynamic_reloc_count): Remove.
4067         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4068         is_last_relro_, is_first_non_relro_, is_interp_,
4069         is_dynamic_linker_section_ fields.  Add order and set_order
4070         functions.  Remove is_relro_local, set_is_relro_local,
4071         is_last_relro, set_is_last_relro, is_first_non_relro,
4072         set_is_first_non_relro functions, is_interp, set_is_interp,
4073         is_dynamic_linker_section, and set_is_dynamic_linker_section
4074         functions.
4075         (class Output_segment): Change Output_data_list from std::list to
4076         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4077         output_bss_ fields.  Update declarations.
4078
4079 2010-08-02  Ian Lance Taylor  <iant@google.com>
4080
4081         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4082         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4083         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4084
4085 2010-08-02  Ian Lance Taylor  <iant@google.com>
4086
4087         PR 11855
4088         * script.cc (Script_options::Script_options): Initialize
4089         symbol_definitions_ and symbol_references_.
4090         (Script_options::add_symbol_assignment): Update
4091         symbol_definitions_ and symbol_references_.
4092         (Script_options::add_symbol_reference): New function.
4093         (script_symbol): New function.
4094         * script.h (class Script_options): Add symbol_definitions_ and
4095         symbol_references_ fields.
4096         (Script_options::referenced_const_iterator): New type.
4097         (Script_options::referenced_begin): New function.
4098         (Script_options::referenced_end): New function.
4099         (Script_options::is_referenced): New function.
4100         (Script_options::any_unreferenced): New function.
4101         * script-c.h (script_symbol): Declare.
4102         * yyscript.y (exp): Call script_symbol.
4103         * symtab.cc: Include "script.h".
4104         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4105         Change all callers.  Check symbols referenced by scripts.
4106         (Symbol_table::add_undefined_symbols_from_command_line): Add
4107         layout parameter.  Change all callers.
4108         (Symbol_table::do_add_undefined_symbols_from_command_line):
4109         Likewise.  Break out loop body.  Check symbols referenced by
4110         scripts.
4111         (Symbol_table::add_undefined_symbol_from_command_line): New
4112         function broken out of
4113         do_add_undefined_symbols_from_command_line.
4114         * symtab.h (class Symbol_table): Update declarations.
4115         * archive.cc: Include "layout.h".
4116         (Archive::should_include_member): Add layout parameter.  Change
4117         all callers.  Check for symbol mentioned in expression.
4118         * archive.h (class Archive): Update declaration.
4119         * object.cc (Sized_relobj::do_should_include_member): Add layout
4120         parameter.
4121         * object.h (Object::should_include_member): Add layout parameter.
4122         Change all callers.
4123         (Object::do_should_include_member): Add layout parameter.
4124         (class Sized_relobj): Update declaration.
4125         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4126         parameter.
4127         * dynobj.h (class Sized_dynobj): Update declaration.
4128         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4129         layout parameter.
4130         * plugin.h (class Sized_pluginobj): Update declaration.
4131
4132 2010-08-02  Ian Lance Taylor  <iant@google.com>
4133
4134         PR 11866
4135         * output.cc (Output_segment::set_offset): Search for the first and
4136         last sections rather than assuming that the list is in order.
4137         (Output_segment::find_first_and_last_list): New function.
4138         * output.h (class Output_segment): Update declarations.
4139         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4140         (relro_strip_test_SOURCES): New variable.
4141         (relro_strip_test_DEPENDENCIES): New variable.
4142         (relro_strip_test_LDFLAGS): New variable.
4143         (relro_strip_test_LDADD): New variable.
4144         (relro_strip_test.so): New target.
4145
4146 2010-08-02  Ian Lance Taylor  <iant@google.com>
4147
4148         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4149         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4150         (Target_i386::got_tlsdesc_section): New function.
4151         (Target_i386::got_section): Create space for GOT entries for
4152         TLSDESC relocations.
4153         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4154         R_386_TLS_GOTDESC.
4155         (Target_i386::Scan::global): Likewise.
4156         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4157         using TLSDESC GOT.
4158         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4159         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4160         (Target_x86_64::got_tlsdesc_section): New function.
4161         (Target_x86_64::got_section): Create space for GOT entries for
4162         TLSDESC relocations.
4163         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4164         R_386_TLS_GOTDESC.
4165         (Target_x86_64::Scan::global): Likewise.
4166         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4167         using TLSDESC GOT.
4168
4169 2010-08-02  Ian Lance Taylor  <iant@google.com>
4170
4171         * testsuite/final_layout.sh: Use dc to convert from hex to
4172         decimal.
4173
4174 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4175
4176         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4177         paramter to the call to gold::gc_process_relocs.
4178         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4179         paramter to the call to gold::gc_process_relocs.
4180         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4181         parameter to the call to gold::gc_process_relocs.
4182         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4183         template parameter to the call to gold::gc_process_relocs.
4184         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4185         paramter to the call to gold::gc_process_relocs.
4186         * gc.h (get_embedded_addend_size): New function.
4187         (gc_process_relocs): Save the size of the reloc for use by ICF.
4188         * icf.cc (get_section_contents): Get the addend from the text section
4189         for SHT_REL relocation sections.
4190         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4191         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4192         * int_encoding.h (read_from_pointer): New overloaded function.
4193         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4194         * testsuite/icf_sht_rel_addend_test.sh: New file.
4195         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4196         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4197
4198 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4199
4200         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4201         * Makefile.in: Regenerate.
4202         * testsuite/Makefile.in: Regenerate.
4203
4204 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4205
4206         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4207         * gold/testsuite/debug_msg.cc: Likewise.
4208         * gold/testsuite/odr_violation1.cc
4209         * gold/testsuite/odr_violation2.cc
4210
4211 2010-07-21  Cary Coutant  <ccoutant@google.com>
4212
4213         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4214         string, and length fields.
4215         (Output_merge_string::Merged_strings_list): New type.
4216         (Output_merge_string::Merged_strings_lists): New typedef.
4217         (Output_merge_string): Replace merged_strings_ with
4218         merged_strings_lists_.
4219         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4220         Merged_strings_list per input object and section.  Don't store pointer
4221         to the string.  Don't store length with each merged string entry.
4222         (Output_merge_string::finalize_merged_data): Loop over list of merged
4223         strings lists.  Recompute length of each merged string.
4224
4225 2010-07-15  Cary Coutant  <ccoutant@google.com>
4226
4227         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4228         here.
4229
4230 2010-07-14  Ian Lance Taylor  <iant@google.com>
4231
4232         * descriptors.cc (Descriptors::open): Report correct name in error
4233         message.
4234
4235 2010-07-13  Doug Kwan  <dougkwan@google.com>
4236
4237         * arm.cc (Arm_input_section::Arm_input_section): For a
4238         SHT_ARM_EXIDX section, always keeps the input sections.
4239         (Arm_input_section::set_exidx_section_link): New method.
4240         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4241         has_errors_ to false.
4242         (Arm_exidx_input_section::has_errors,
4243         Arm_exidx_input_section::set_has_errors): New methods.
4244         (Arm_exidx_input_section::has_errors_): New data member.
4245         (Arm_relobj::get_exidx_shndx_list): New method.
4246         (Arm_output_section::append_text_sections_to_list): Do not skip
4247         section without SHF_EXECINSTR.
4248         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4249         errors.
4250         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4251         section header.  Make error messages more verbose.  Check for
4252         a non-executable section linked to an EXIDX section.
4253         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4254         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4255         check that there is no deferred EXIDX section if we exit early.
4256         Instead of not making an EXIDX section in case of an error, make one
4257         and set the has_errors flag of it.
4258         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4259         in a relocatable link.
4260         (Target_arm::do_relax): Look for the EXIDX output section instead of
4261         assuming that it is called .ARM.exidx.
4262         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4263         section list.  Do not check for SHF_EXECINSTR section flags but
4264         skip any input section with errors.
4265         * output.cc (Output_section::Output_section): Initialize
4266         always_keeps_input_sections_ to false.
4267         (Output_section::add_input_section): Check for
4268         always_keeps_input_sections_.
4269         *  output.h (Output_section::always_keeps_input_sections,
4270         Output_section::set_always_keeps_input_sections): New methods.
4271         (Output_section::always_keeps_input_sections): New data member.
4272
4273 2010-07-13  Rafael Espindola  <espindola@google.com>
4274
4275         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4276         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4277
4278 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4279             Ian Lance Taylor  <iant@google.com>
4280
4281         * output.h (Output_section_lookup_maps::add_merge_section):
4282         Correct check of whether value was inserted.
4283         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4284         (Output_section_lookup_maps::add_relaxed_input_section):
4285         Likewise.
4286         * arm.cc (Target_arm::got_section): Remove used local os.
4287         * i386.cc (Target_i386::got_section): Likewise.
4288         * x86_64.cc (Target_x86_64::got_section): Likewise.
4289         * sparc.cc (Target_sparc::got_section): Likewise.
4290         (Target_sparc::relocate): Remove unused local have_got_offset.
4291         * powerpc.cc (Target_powerpc::relocate): Likewise.
4292
4293 2010-07-13  Ian Lance Taylor  <iant@google.com>
4294
4295         * compressed_output.cc (zlib_decompress): Fix signature in
4296         !HAVE_ZLIB_H case.
4297
4298         * archive.cc (Archive::include_member): Unlock an external member
4299         of a thin archive.  Don't bother to delete an object we know is
4300         NULL.
4301
4302 2010-07-12  Cary Coutant  <ccoutant@google.com>
4303
4304         * compressed_output.cc (zlib_decompress): New function.
4305         (get_uncompressed_size): New function.
4306         (decompress_input_section): New function.
4307         * compressed_output.h (get_uncompressed_size): New function.
4308         (decompress_input_section): New function.
4309         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4310         Handle compressed debug sections.
4311         * layout.cc (is_compressed_debug_section): New function.
4312         (Layout::output_section_name): Map compressed section names to
4313         canonical names.
4314         * layout.h (is_compressed_debug_section): New function.
4315         (is_debug_info_section): Recognize compressed debug sections.
4316         * merge.cc: Include compressed_output.h.
4317         (Output_merge_data::do_add_input_section): Handle compressed
4318         debug sections.
4319         (Output_merge_string::do_add_input_section): Handle compressed
4320         debug sections.
4321         * object.cc: Include compressed_output.h.
4322         (Sized_relobj::Sized_relobj): Initialize new data members.
4323         (build_compressed_section_map): New function.
4324         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4325         * object.h (Object::section_is_compressed): New method.
4326         (Object::do_section_is_compressed): New method.
4327         (Sized_relobj::Compressed_section_map): New type.
4328         (Sized_relobj::do_section_is_compressed): New method.
4329         (Sized_relobj::compressed_sections_): New data member.
4330         * output.cc (Output_section::add_input_section): Handle compressed
4331         debug sections.
4332         * reloc.cc: Include compressed_output.h.
4333         (Sized_relobj::write_sections): Handle compressed debug sections.
4334
4335 2010-07-08  Cary Coutant  <ccoutant@google.com>
4336
4337         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4338         weak when resolving to a dynamic def.
4339         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4340         for weak undef/dynamic def cases. Adjust callers.
4341         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4342         undef_binding_weak_.
4343         (Symbol_table::sized_write_globals): Adjust symbol binding.
4344         (Symbol_table::sized_write_symbol): Add binding parameter.
4345         * symtab.h (Symbol::set_undef_binding): New method.
4346         (Symbol::is_undef_binding_weak): New method.
4347         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4348         (Symbol_table::should_override): Add new parameter.
4349         (Symbol_table::sized_write_symbol): Add new parameter.
4350
4351         * testsuite/weak_undef_file1.cc: Add new test case.
4352         * testsuite/weak_undef_file2.cc: Fix header comment.
4353         * testsuite/weak_undef_test.cc: Add new test case.
4354
4355 2010-06-29  Doug Kwan  <dougkwan@google.com>
4356
4357         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4358         Initialize USE_SYMBOL_.
4359         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4360         definition.
4361         (Arm_reloc_property::uses_symbol_): New data member declaration.
4362         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4363         uses symbol value and symbol is undefined but not weakly undefined.
4364
4365 2010-06-28  Rafael Espindola  <espindola@google.com>
4366
4367         * plugin.cc (Plugin::load): Use dlerror.
4368
4369 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4370
4371         * symtab.cc (detect_odr_violations): When reporting an ODR
4372         violation, report an object where the symbol is defined.
4373
4374 2010-06-25  Doug Kwan  <dougkwan@google.com>
4375
4376         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4377         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4378         definition.
4379         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4380         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4381         target hook to detect function points.
4382         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4383         * icf.h (Icf::check_section_for_function_pointers): Change type of
4384         parameter SECTION_NAME to const reference to std::string.  Use
4385         target hook to determine if section may have unsafe pointers.
4386         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4387         method definition.
4388
4389 2010-06-21  Rafael Espindola  <espindola@google.com>
4390
4391         * fileread.cc (Input_file::find_fie): New
4392         (Input_file::open): Use Input_file::find_fie.
4393         * fileread.h (Input_file::find_fie): New
4394         * plugin.cc (set_extra_library_path): New.
4395         (Plugin::load): Add set_extra_library_path to the transfer vector.
4396         (Plugin_manager::set_extra_library_path): New.
4397         (Plugin_manager::add_input_file): Use the extra search path if set.
4398         (set_extra_library_path(): New.
4399         * plugin.h (Plugin_manager): Add set_extra_library_path and
4400         extra_search_path_.
4401
4402 2010-06-19  Cary Coutant  <ccoutant@google.com>
4403
4404         * layout.cc (gdb_sections): Add .debug_types.
4405         (lines_only_debug_sections): Likewise.
4406
4407 2010-06-18  Rafael Espindola  <espindola@google.com>
4408
4409         * plugin.cc (add_input_file,add_input_library)
4410         (Plugin_manager::add_input_file): Make filename arguments const.
4411         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4412         const.
4413
4414 2010-06-16  Doug Kwan  <dougkwan@google.com>
4415
4416         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4417         .ARM.attributes section if we have not merged any input
4418         attributes sections.
4419
4420 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4421
4422         * arm.cc: Allow combining objects with no EABI version
4423         information.
4424
4425 2010-06-15  Rafael Espindola  <espindola@google.com>
4426
4427         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4428
4429 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4430
4431         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4432         (struct iovec): Correct !HAVE_READV definition.
4433
4434 2010-06-10  Cary Coutant  <ccoutant@google.com>
4435
4436         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4437         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4438         reloc sections.
4439         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4440
4441         PR 11683
4442         * symtab.h (Symbol::is_placeholder): New member function.
4443         * target-reloc.h (relocate_section): Check for placeholder symbols.
4444
4445         * testsuite/Makefile.am (plugin_test_8): New test.
4446         (plugin_test_9): New test.
4447         * testsuite/Makefile.in: Regenerate.
4448
4449 2010-06-09  Nick Clifton  <nickc@redhat.com>
4450
4451         * yyscript.y (input_list_element): Allow strings prefixed with
4452         the '-' character.  Treat these as libraries.
4453         * script.cc (script_add_library): New function.  Adds a library
4454         specified by "-l<name>" found in an input script.
4455         * script-c.h: Add prototype for script_add_library.
4456
4457 2010-06-07  Doug Kwan  <dougkwan@google.com>
4458
4459         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4460         Restrict stub-group size to be within long conditional branch
4461         range when working around cortex-A8 erratum.
4462
4463 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4464
4465         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4466         #ifdef typo.
4467
4468 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4469
4470         PR gold/11658
4471         * output.cc
4472         (Output_section::Input_section_sort_entry::compare_section_ordering):
4473         Change to return non-zero correctly.
4474         (Output_section::Input_section_sort_section_order_index_compare
4475         ::operator()): Change to fix ambiguity in comparisons.
4476
4477 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4478
4479         * gold.h (is_wildcard_string): New function.
4480         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4481         (Layout::layout_eh_frame): Ditto.
4482         (Layout::find_section_order_index): New method.
4483         (Layout::read_layout_from_file): New method.
4484         * layout.h (Layout::find_section_order_index): New method.
4485         (Layout::read_layout_from_file): New method.
4486         (Layout::input_section_position_): New private member.
4487         (Layout::input_section_glob_): New private member.
4488         * main.cc (main): Call read_layout_from_file here.
4489         * options.h (--section-ordering-file): New option.
4490         * output.cc (Output_section::input_section_order_specified_): New
4491         member.
4492         (Output_section::Output_section): Initialize new member.
4493         (Output_section::add_input_section): Add new parameter.
4494         Keep input sections when --section-ordering-file is used.
4495         (Output_section::set_final_data_size): Sort input sections when
4496         section ordering file is specified.
4497         (Output_section::Input_section_sort_entry): Add new parameter.
4498         Check sorting type.
4499         (Output_section::Input_section_sort_entry::compare_section_ordering):
4500         New method.
4501         (Output_section::Input_section_sort_compare::operator()): Change to
4502         consider section_order_index.
4503         (Output_section::Input_section_sort_init_fini_compare::operator()):
4504         Change to consider section_order_index.
4505         (Output_section::Input_section_sort_section_order_index_compare
4506         ::operator()): New method.
4507         (Output_section::sort_attached_input_sections): Change to sort
4508         according to section order when specified.
4509         (Output_section::add_input_section<32, true>): Add new parameter.
4510         (Output_section::add_input_section<64, true>): Add new parameter.
4511         (Output_section::add_input_section<32, false>): Add new parameter.
4512         (Output_section::add_input_section<64, false>): Add new parameter.
4513         * output.h (Output_section::add_input_section): Add new parameter.
4514         (Output_section::input_section_order_specified): New
4515         method.
4516         (Output_section::set_input_section_order_specified): New method.
4517         (Input_section::Input_section): Initialize section_order_index_.
4518         (Input_section::section_order_index): New method.
4519         (Input_section::set_section_order_index): New method.
4520         (Input_section::section_order_index_): New member.
4521         (Input_section::Input_section_sort_section_order_index_compare): New
4522         struct.
4523         (Output_section::input_section_order_specified_): New member.
4524         * script-sections.cc (is_wildcard_string): Delete and move modified
4525         method to gold.h.
4526         (Output_section_element_input::Output_section_element_input): Modify
4527         call to is_wildcard_string.
4528         (Output_section_element_input::Input_section_pattern
4529         ::Input_section_pattern): Ditto.
4530         (Output_section_element_input::Output_section_element_input): Ditto.
4531         * testsuite/Makefile.am (final_layout): New test case.
4532         * testsuite/Makefile.in: Regenerate.
4533         * testsuite/final_layout.cc: New file.
4534         * testsuite/final_layout.sh: New file.
4535
4536 2010-06-01  Rafael Espindola  <espindola@google.com>
4537
4538         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4539
4540 2010-06-01  Rafael Espindola  <espindola@google.com>
4541
4542         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4543         visibility of symbols.
4544
4545 2010-05-27  Doug Kwan  <dougkwan@google.com>
4546
4547         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4548         from start of output section instead of address for a local symbol
4549         in a merged or relaxed section when doing a relocatable link.
4550
4551 2010-05-26  Rafael Espindola  <espindola@google.com>
4552
4553        PR 11604
4554         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4555         adding sections the garbage collector removed.
4556         * gold/testsuite/Makefile.am: Add test.
4557         * gold/testsuite/Makefile.in: Regenerate.
4558         * gold/testsuite/plugin_test_7.sh: New.
4559         * gold/testsuite/plugin_test_7_1.c: New.
4560         * gold/testsuite/plugin_test_7_2.c: New.
4561
4562 2010-05-26  Rafael Espindola  <espindola@google.com>
4563
4564         * script-sections.cc (Output_section_definition::set_section_addresses):
4565         Check for --section-start.
4566
4567 2010-05-26  Doug Kwan  <dougkwan@google.com>
4568
4569         * arm.cc (Arm_scan_relocatable_relocs): New class.
4570         (Target_arm::relocate_special_relocatable): New method.
4571         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4572         (Arm_relocate_functions::thumb_branch_common): Same.
4573         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4574         instead of Default_scan_relocatable_relocs.
4575         * target-reloc.h (relocate_for_relocatable): Let target handle
4576         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4577         * target.h (Sized_target::relocate_special_relocatable): New method.
4578
4579 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4580
4581         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4582
4583 2010-05-23  Doug Kwan  <dougkwan@google.com>
4584
4585         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4586         instead of a cast.
4587         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4588         with a direct branch, not a conditional branch, to a stub.
4589         * merge.cc (Output_merge_base::record_input_section): New method
4590         defintion.
4591         (Output_merge_data::do_add_input_section): Record input section if
4592         keeps-input-sections flag is set.
4593         (Output_merge_string::do_add_input_section): Ditto.
4594         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4595         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4596         INPUT_SECTIONS_.
4597         (Output_merge_base::keeps_input_sections,
4598         Output_merge_base::set_keeps_input_sections,
4599         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4600         method definitions.
4601         (Output_merge_base::Input_sections): New type declaration.
4602         (Output_merge_base::input_sections_begin,
4603         Output_merge_base::input_sections_end,
4604         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4605         (Output_merge_base::bool keeps_input_sections_,
4606         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4607         Output_merge_base::input_sections_): New data members.
4608         (Output_merge_data::do_set_keeps_input_sections): New method
4609         defintion.
4610         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4611         * output.cc (Output_section::Input_section::relobj): Move method
4612         defintion from class declaration to here and handle merge sections.
4613         (Output_section::Input_section::shndx): Ditto.
4614         (Output_section::Output_section): Remove initializations of removed
4615         data members and initialize new data member LOOKUP_MAPS_.
4616         (Output_section::add_input_section): Set keeps-input-sections flag
4617         for a newly created merge output section as appropriate.  Adjust code
4618         to use Output_section_lookup_maps class.
4619         (Output_section::add_relaxed_input_section): Adjst code for lookup
4620         maps code refactoring.
4621         (Output_section::add_merge_input_section): Add a new parameter
4622         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4623         class.  If adding input section to a newly created merge output
4624         section fails, remove the new merge section.
4625         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4626         Adjust code for use of the Output_section_lookup_maps class.
4627         (Output_section::find_merge_section): Ditto.
4628         (Output_section::build_lookup_maps): New method defintion.
4629         (Output_section::find_relaxed_input_section): Adjust code to use
4630         Output_section_lookup_maps class.
4631         (Output_section::get_input_sections): Export merge sections.  Adjust
4632         code to use Output_section_lookup_maps class.
4633         (Output_section:::add_script_input_section): Adjust code to use
4634         Output_section_lookup_maps class.  Update lookup maps for merge
4635         sections also.
4636         (Output_section::discard_states): Use Output_section_lookup_maps.
4637         (Output_section::restore_states): Same.
4638         * output.h (Merge_section_properties): Move class defintion out of
4639         Output_section.
4640         (Output_section_lookup_maps): New class.
4641         (Output_section::Input_section::is_merge_section): New method
4642         defintion.
4643         (Output_section::Input_section::relobj): Move defintion out of class
4644         defintion.  Declare method only.
4645         (Output_section::Input_section::shndx): Ditto.
4646         (Output_section::Input_section::output_merge_base): New method defintion.
4647         (Output_section::Input_section::u2_.pomb): New union field.
4648         (Output_section::Merge_section_by_properties_map,
4649         Output_section::Output_section_data_by_input_section_map,
4650         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4651         Remove types.
4652         (Output_section::add_merge_input_section): Add new parameter
4653         KEEPS_INPUT_SECTIONS.
4654         (Output_section::build_lookup_maps): New method declaration.
4655         (Output_section::merge_section_map_,
4656         Output_section::merge_section_by_properties_map_,
4657         Output_section::relaxed_input_section_map_,
4658         Output_section::is_relaxed_input_section_map_valid_): Remove data
4659         members.
4660         (Output_section::lookup_maps_): New data member.
4661
4662 2010-05-21  Doug Kwan  <dougkwan@google.com>
4663
4664         PR gold/11619
4665         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4666         avoid a compilation error.
4667
4668 2010-05-19  Rafael Espindola  <espindola@google.com>
4669
4670         * script-sections.cc (Output_section_definition::allocate_to_segment):
4671         Update the phdrs_list even when the output section is NULL.
4672         * testsuite/Makefile.am: Add test.
4673         * testsuite/Makefile.in: Regenerate.
4674         * testsuite/script_test_9.cc: New.
4675         * testsuite/script_test_9.sh: New.
4676         * testsuite/script_test_9.t: New.
4677
4678 2010-05-19  Doug Kwan  <dougkwan@google.com>
4679
4680         * arm.cc (Arm_input_section::original_size): New method.
4681         (Arm_input_section::do_addralign): Add a cast.
4682         (Arm_input_section::do_output_offset): Remove static cast.
4683         (Arm_input_section::original_addralign,
4684          Arm_input_section::original_size_): Change type to uint32_t.
4685         (Arm_input_section::init): Add safe casts for section alignment
4686         and size.
4687         (Arm_input_section::set_final_data_size): Do not set address and
4688         offset of stub table.
4689         (Arm_output_section::fix_exidx_coverage): Change use of of
4690         Output_section::Simple_input_section to that of
4691         Output_section::Input_section.
4692         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4693         except for the first pass.
4694         * output.cc (Output_section::get_input_sections): Change type of
4695         input_sections to std::list<Input_section>.
4696         (Output_section::add_script_input_section): Rename from
4697         Output_section::add_simple_input_section.  Change type of SIS
4698         parameter from Simple_input_section to Input_section.
4699         * output.h (Output_section::Simple_input_section): Remove class.
4700         (Output_section::Input_section): Change class visibility to public.
4701         (Output_section::Input_section::addralign): Use stored alignments
4702         for special input sections if set.
4703         (Output_section::Input_section::set_addralign): New method.
4704         (Output_section::get_input_sections): Change parameter type from
4705         list of Simple_input_section to list of Input_section.
4706         (Output_section::add_script_input_section): Rename from
4707         Output_section::add_simple_input_section. Change first parameter's
4708         type from Simple_input_section to Input_section and remove the
4709         second and third parameters.
4710         * script-sections.cc (Input_section::Input_section_list): Change
4711         type to list of Output_section::Input_section/
4712         (Input_section_info::Input_section_info): Change parameter type of
4713         INPUT_SECTION to Output_section::Input_section.
4714         (Input_section_info::input_section): Change return type.
4715         (Input_section_info::input_section_): Change type to
4716         Output_section::Input_section.
4717         (Output_section_element_input::set_section_addresses): Adjust code
4718         to use Output_section::Input_section instead of
4719         Output_section::Simple_input_section.  Adjust code for renaming
4720         of Output_section::add_simple_input_section.
4721         (Orphan_output_section::set_section_addresses): Ditto.
4722
4723 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4724
4725         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4726         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4727
4728 2010-05-18  Rafael Espindola  <espindola@google.com>
4729
4730         * options.cc (General_options::finalize): Handle -nostdlib.
4731         * options.h (nostdlib): New option.
4732         * script.cc (script_add_search_dir): Handle -nostdlib.
4733
4734 2010-05-12  Doug Kwan  <dougkwan@google.com>
4735
4736         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4737         attributes section only if there no attributes section after merging.
4738         (Target_arm::merge_object_attributes): Move value of
4739         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4740         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4741         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4742         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4743         and arm_attr_merge_7.stdout.
4744         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4745         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4746         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4747         arm_attr_merge_7b.o): New rules.
4748         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4749         arm_attr_merge_7
4750         * testsuite/Makefile.in: Regenerate.
4751         * testsuite/arm_attr_merge.sh: New file.
4752         * testsuite/arm_attr_merge_[67][ab].s: Same.
4753
4754 2010-05-05  Nick Clifton  <nickc@redhat.com>
4755
4756         * po/es.po: Updated Spanish translation.
4757
4758 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4759
4760         * Makefile.am (install-exec-local): Properly install gold as
4761         default cross linker.
4762         * Makefile.in: Regenerated.
4763
4764 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4765             Nick Clifton  <nickc@redhat.com>
4766
4767         * configure.ac (install_as_default): Define and set to false
4768         unless --enable-gold or --enable-gold=both/gold has been
4769         specified.
4770         * configure: Regenerate.
4771
4772         * Makefile.am (install-exec-local): Install the executable as
4773         'ld.gold'.  If install_as_default is true then also install it as
4774         'ld'.
4775         * Makefile.in: Regenerated.
4776
4777 2010-04-24  Ian Lance Taylor  <iant@google.com>
4778
4779         * layout.cc (Layout::layout_reloc): In relocatable link don't
4780         combine reloc sections for grouped sections.
4781
4782 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4783
4784         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4785         sections that are not ordinary to icf.
4786         * icf.cc (get_section_contents): Handle relocation pointing to section
4787         with no object or shndx information.
4788         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4789         * testsuite/Makefile.in: Regenerate.
4790         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4791         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4792
4793 2010-04-22  Ian Lance Taylor  <iant@google.com>
4794
4795         * expression.cc (Expression::Expression_eval_info): Add
4796         result_alignment_pointer field.
4797         (Expression::eval_with_dot): Add result_alignment_pointer
4798         parameter.  Change all callers.
4799         (Expression::eval_maybe_dot): Likewise.
4800         (class Binary_expression): Add alignment_pointer parameter to
4801         left_value and right_value.  Change all callers.
4802         (BINARY_EXPRESSION): Set result alignment.
4803         (class Trinary_expression): Add alignment_pointer parameter to
4804         arg2_value and arg3_value.  Change all callers.
4805         (Trinary_cond::value): Set result alignment.
4806         (Max_expression::value, Min_expression::value): Likewise.
4807         (Align_expression::value): Likewise.
4808         * script-sections.cc (class Sections_element): Add dot_alignment
4809         parameter to set_section_addresses virtual function.  Update
4810         instantiations.
4811         (class Output_section_element): Likewise.
4812         (Script_sections::create_segments): Add dot_alignment parameter.
4813         Change all callers.
4814         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4815         (Script_sections::set_phdrs_clause_addresses): Likewise.
4816         * script-sections.h: Update declarations.
4817         * script.h: Update declarations.
4818         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4819         min_p_align.
4820         * testsuite/script_test_3.t: Set large alignment.
4821         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4822         segment has expected alignment.
4823
4824 2010-04-22  Nick Clifton  <nickc@redhat.com>
4825
4826         * po/gold.pot: Updated by the Translation project.
4827         * po/vi.po: Updated Vietnamese translation.
4828
4829 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4830
4831         * testsuite/Makefile.am (check_PROGRAMS): Add
4832         icf_virtual_function_folding_test.
4833         * testsuite/Makefile.in: Regenerated.
4834
4835 2010-04-15  Andrew Haley  <aph@redhat.com>
4836
4837         * options.h (merge_exidx_entries): New option.
4838         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4839         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4840         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4841         (Target_arm::merge_exidx_entries): New function.
4842         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4843         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4844         to Arm_exidx_fixup constructor.
4845         Add new arg, merge_exidx_entries.
4846         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4847         Arm_output_section::fix_exidx_coverage.
4848
4849 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4850
4851         * icf.cc (get_section_contents): Check for preemptible functions.
4852         Ignore addend when appropriate.
4853         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4854         section folded.
4855         (add_from_relobj): Check for section folded.
4856         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4857         * symtab.h (should_add_dynsym_entry): Add new parameter.
4858         * target-reloc.h (scan_relocs): Check for section folded.
4859         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4860         Check reloc types for function pointers in shared objects.
4861         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4862         case.
4863         (icf_preemptible_functions_test): New test case.
4864         (icf_string_merge_test): New test case.
4865         * testsuite.Makefile.in: Regenerate.
4866         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4867         bar_glob.  Refactor code.
4868         * testsuite/icf_preemptible_functions_test.cc: New file.
4869         * testsuite/icf_preemptible_functions_test.sh: New file.
4870         * testsuite/icf_string_merge_test.cc: New file.
4871         * testsuite/icf_string_merge_test.sh: New file.
4872         * testsuite/icf_virtual_function_folding_test.cc: New file.
4873         * testsuite/icf_virtual_function_folding_test.sh: New file.
4874
4875 2010-04-14  Doug Kwan  <dougkwan@google.com>
4876
4877         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4878         for local symbol recounting if we remove a section due to ICF.
4879         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4880         there are no regular objects in input.
4881
4882 2010-04-13  Doug Kwan  <dougkwan@google.com>
4883
4884         * arm.cc (Arm_input_section::set_final_data_size): Compute
4885         accurate final data size instead of using current data size.
4886
4887 2010-04-09  Doug Kwan  <dougkwan@google.com>
4888
4889         * layout.cc (Layout::choose_output_section): Handle script section
4890         types.
4891         (Layout::make_output_section_for_script): Add section type parameter.
4892         Handle script section types.
4893         * layout.h (Layout::make_output_section_for_script): Add section
4894         type parameter.
4895         * output.cc (Output_section::Output_section): Initialize data member
4896         is_noload_.
4897         (Output_section::do_reset_address_and_file_offset): Do not set address
4898         to 0 if section is a NOLOAD section.
4899         * output.h (Output_section::is_noload): New method.
4900         (Output_section::set_is_noload): Ditto.
4901         (Output_section::is_noload_): New data member.
4902         * script-c.h (Script_section_type): New enum type.
4903         (struct Parser_output_section_header): Add new file section_type.
4904         * script-sections.cc (Sections_element::output_section_name): Add
4905         parameter for returning script section type.
4906         (Output_section_definition::output_section_name): Ditto.
4907         (Output_section_definition::section_type)P; New method.
4908         (Output_section_definiton::script_section_type_name): Ditto.
4909         (Output_section_definition::script_section_type_): New data member.
4910         (Output_section_definition::Output_section_definition): Initialize
4911         data member Output_section_definition::script_section_type_.
4912         (Output_section_definition::create_sections): Pass script section type
4913         to Layout::make_output_section_for_script.
4914         (Output_section_definition::output_section_name): Return script
4915         section type to caller.
4916         (Output_section_definition::set_section_address): Do not advance
4917         dot value and load address if section type is NOLOAD.  Set address
4918         of NOLOAD sections regardless of section flags.
4919         (Output_section_definition::print): Print section type if it is
4920         not SCRIPT_SECTION_TYPE_NONE.
4921         (Output_section_definition::section_type): New method.
4922         (Output_section_definition::script_section_type_name): Ditto.
4923         (Script_sections::output_section_name): Add new parameter
4924         PSECTION_TYPE for returning script section type.  Pass it to
4925         section elements.  Handle discard sections.
4926         (Sort_output_sections::operator()): Handle NOLOAD sections.
4927         * script-sections.h (Script_sections::Section_type): New enum type.
4928         (Script_sections::output_section_name): Add a new parameter for
4929         returning script section type.
4930         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4931         INFO and NOLOAD.
4932         * yyscript.y (union): Add new field SECTION_TYPE.
4933         (COPY, DSECT, INFO, NOLOAD): New tokens.
4934         (opt_address_and_section_type): Change type to output_section_header.
4935         (section_type): New non-terminal
4936         (section_header): Handle section type.
4937         (opt_address_and_section_type): Return section type value.
4938
4939 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4940
4941         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4942         * testsuite/plugin_common_test_2.c (foo): Likewise.
4943
4944 2010-04-08  Doug Kwan  <dougkwan@google.com>
4945
4946         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4947         Output_merge_data.
4948         * output.cc (Output_section::add_merge_input_section): Simplify
4949         code and return status of Output_merge_base::add_input_section.
4950         Update merge section map only if Output_merge_base::add_input_section
4951         returns true.
4952
4953 2010-04-07  Doug Kwan  <dougkwan@google.com>
4954
4955         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4956         if section is marked as containing instructions but has no mapping
4957         symbols.
4958         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4959         correct section index.
4960         (Arm_relobj::find_linked_text_section): Ditto.
4961
4962 2010-04-07  Cary Coutant  <ccoutant@google.com>
4963
4964         * archive.cc (include_member): Destroy Read_symbols_data object before
4965         releasing file.
4966         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4967         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4968         (Read_symbols_data::~Read_symbols_data) New destructor.
4969         (Section_relocs::Section_relocs) New constructor.
4970         (Section_relocs::~Section_relocs) New destructor.
4971         (Read_relocs_data::Read_relocs_data) New constructor.
4972         (Read_relocs_data::~Read_relocs_data) New destructor.
4973         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4974         pointers to NULL after deleting.
4975
4976 2010-04-07  Doug Kwan  <dougkwan@google.com>
4977
4978         * arm.cc: Replace "endianity" with "endianness" in comments.
4979         (Arm_exidx_cantunwind): Ditto.
4980         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4981         (Arm_relobj::merge_flags_and_attributes): New method.
4982         (Arm_relobj::merge_flags_and_attributes_): New data member.
4983         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4984         (Arm_relobj::scan_sections_for_stubs): Ditto.
4985         (Arm_relobj::do_read_symbols): Check to see if we really want to
4986         merge processor-specific flags and attributes.  Exit early if
4987         an object is empty except for section names and the undefined symbol.
4988         (Target_arm::do_finalize_sections): Move check for ELF format to
4989         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4990         attributes from a regular object only when we have determined that
4991         it is aapropriate.  Do not create an .ARM.attributes section in
4992         output if there is no regular input object.
4993         (Target_arm::merge_processor_specific_flags): Check
4994         --warn-mismatch before printing any error.
4995         (Target_arm::merge_object_attributes): Ditto.
4996         * gold.cc (queue_middle_tasks): Handle the case in which there is
4997         no regular object in input.
4998         * options.cc (General_options::parse_EB): New method.
4999         (General_options::parse_EL): Same.
5000         (General_options::General_options): Initialize endianness_.
5001         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5002         New options.
5003         (General_options::Endianness): New enum.
5004         (General_options::endianness): New method.
5005         (General_options::endianness_): New data member.
5006         * parameters.cc (Parameters::set_options): Check target endianness.
5007         (Parameters::set_target_once): Ditto.
5008         (Parameters::check_target_endianness): New method.
5009         (parameters_force_valid_target): If either -EL or -EB is specified,
5010         use it to define endianness of default target.
5011         * parameters.h (Parameters::check_target_endianness): New method
5012         declaration.
5013         * target.h (class Target): Change "endianity" to "endianness"
5014         in comments.
5015
5016 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5017
5018         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5019         * configure: Regenerate.
5020         * Makefile.in: Regenerate.
5021         * testsuite/Makefile.in: Regenerate.
5022
5023 2010-04-06  Cary Coutant  <ccoutant@google.com>
5024
5025         gcc PR lto/42757
5026         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5027         prevailing definitions of common symbols.
5028         * testsuite/plugin_test_6.sh: New test case.
5029         * testsuite/plugin_common_test_1.c: New test case.
5030         * testsuite/plugin_common_test_2.c: New test case.
5031         * testsuite/Makefile.am (plugin_test_6): New test case.
5032         * testsuite/Makefile.in: Regenerate.
5033
5034 2010-04-06  Nick Clifton  <nickc@redhat.com>
5035
5036         * po/vi.po: New Vietnamese translation.
5037
5038 2010-03-30  Doug Kwan  <dougkwan@google.com>
5039
5040         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5041
5042 2010-03-25  Doug Kwan  <dougkwan@google.com>
5043
5044         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5045         to avoid a conversion warning on a 32-bit host.
5046
5047 2010-03-24  Ian Lance Taylor  <iant@google.com>
5048
5049         * testsuite/script_test_3.t: Add a TLS segment.
5050         * testsuite/Makefile.am (check_PROGRAMS): Add
5051         tls_phdrs_script_test.
5052         (tls_phdrs_script_test_SOURCES): Define.
5053         (tls_phdrs_script_test_DEPENDENCIES): Define.
5054         (tls_phdrs_script_test_LDFLAGS): Define.
5055         (tls_phdrs_script_test_LDADD): Define.
5056         * testsuite/Makefile.in: Rebuild.
5057
5058 2010-03-23  Cary Coutant  <ccoutant@google.com>
5059
5060         * fileread.cc (find_or_make_view): Fix comment.
5061
5062 2010-03-23  Ian Lance Taylor  <iant@google.com>
5063
5064         * script-sections.cc (class Orphan_section_placement): Define
5065         PLACE_TLS and PLACE_TLS_BSS.
5066         (Orphan_section_placement::Orphan_section_placement): Initialize
5067         new places.
5068         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5069         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5070         (tls_script_test_SOURCES): Define.
5071         (tls_script_test_DEPENDENCIES): Define.
5072         (tls_script_test_LDFLAGS): Define.
5073         (tls_script_test_LDADD): Define.
5074         * testsuite/Makefile.in: Rebuild.
5075
5076 2010-03-22  Doug Kwan  <dougkwan@google.com>
5077
5078         * arm.cc (Arm_relocate_functions::abs8,
5079         Arm_relocate_functions::abs16): Use correct check for overflow
5080         specified in the ARM ELF specs.
5081         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5082         target of a BLX instruction specially.
5083         (Reloc_stub::stub_type_for_reloc): Ditto.
5084         (Relocate::relocate): Use symbolic names instead of numeric relocation
5085         codes to report error.
5086         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5087         workaround.
5088         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5089         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5090         thumb2_blx_out_of_range.stdout
5091         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5092         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5093         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5094         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5095         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5096         thumb2_blx_in_range, thumb2_blx_in_range.o,
5097         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5098         thumb2_blx_out_of_range.o): New rules.
5099         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5100         thumb2_blx_in_range and thumb2_blx_out_of_range.
5101         * testsuite/Makefile.in: Regenerate.
5102         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5103         * testsuite/thumb_blx_in_range.s: New file.
5104         * testsuite/thumb_blx_out_of_range.s: New file.
5105
5106 2010-03-22  Rafael Espindola  <espindola@google.com>
5107
5108         * archive.cc (Should_include): Move to archive.h.
5109         (should_include_member): Make it a member of Archive.
5110         (Lib_group): New.
5111         (Add_lib_group_symbols): New.
5112         * archive.h: Include options.h.
5113         (Archive_member): Moved from Archive.
5114         (Should_include): Moved from archive.cc.
5115         (Lib_group): New.
5116         (Add_lib_group_symbols): New.
5117         * dynobj.cc (do_should_include_member): New.
5118         * dynobj.h (do_should_include_member): New.
5119         * gold.cc (queue_initial_tasks): Update call to queue.
5120         * main.cc (main): Print lib group stats.
5121         * object.cc (do_should_include_member): New.
5122         * object.h: Include archive.h.
5123         (Object::should_include_member): New.
5124         (Object::do_should_include_member): New.
5125         (Sized_relobj::do_should_include_member): New.
5126         * options.cc (General_options::parse_start_lib): New.
5127         (General_options::parse_end_lib): New.
5128         (Input_arguments::add_file): Handle lib groups.
5129         (Input_arguments::start_group): Check we are not in a lib.
5130         (Input_arguments::start_lib): New.
5131         (Input_arguments::end_lib): New.
5132         * options.h (General_options): Add start_lib and end_lib.
5133         (Input_argument::lib_): New.
5134         (Input_argument::lib): New.
5135         (Input_argument::is_lib): New.
5136         (Input_file_lib): New.
5137         (Input_arguments::in_lib_): New.
5138         (Input_arguments::in_lib): New.
5139         (Input_arguments::start_lib): New.
5140         (Input_arguments::end_lib_): New.
5141         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5142         in unused members as preempted.
5143         (Sized_pluginobj::do_should_include_member): New.
5144         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5145         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5146         return the blocker.
5147         (Read_symbols::do_whole_lib_group): New.
5148         (Read_symbols::do_lib_group): New.
5149         (Read_symbols::do_read_symbols): Handle lib groups.
5150         (Read_symbols::get_name): Handle lib groups.
5151         * readsyms.h (Read_symbols): Add an archive member pointer.
5152         (Read_symbols::do_whole_lib_group): New.
5153         (Read_symbols::do_lib_group): New.
5154         (Read_symbols::member_): New.
5155         * script.cc (read_input_script): Update call to queue_soon.
5156
5157 2010-03-19  Doug Kwan  <dougkwan@google.com>
5158
5159         * arm.cc (Stub_table::Stub_table): Initialize new data members
5160         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5161         (Stub_table::add_reloc_stub): Assign stub offset and update
5162         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5163         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5164         New data members.
5165         (Stub_table::update_data_size_and_addralign): Use
5166         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5167         instead of going over all reloc stubs.
5168         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5169         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5170         Stringpool_template::offset_ to size of Stringpool_char.
5171         (Stringpool_template::new_key_offset): Remove code to initialize
5172         Stringpool_template::offset_.
5173         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5174         Stringpool_template::offset_ to zero.
5175
5176 2010-03-15  Doug Kwan  <dougkwan@google.com>
5177
5178         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5179         offset_.
5180         (Stringpool_template::new_key_offset): New method.
5181         (Stringpool_template::add_string): Assign offsets when adding new
5182         strings.
5183         (Stringpool_template::set_string_offsets): Do not set string offsets
5184         when not optimizing.
5185         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5186         member size_.
5187         (Chunked_vector::clear): Clear size_.
5188         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5189         (Chunked_vector::size): Return size_.
5190         (Chunked_vector::push_back): Use size_ to find insert position.
5191         (Chunked_vector::size_): New data member.
5192         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5193         (Stringpool_template::new_key_offset): New method declaration.
5194         (Stringpool_template::offset_): New data member.
5195
5196 2010-03-15   Rafael Espindola  <espindola@google.com>
5197
5198         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5199         Add_symbols' constructor.
5200         * readsyms.h (Add_symbols): Remove the input_group member.
5201
5202 2010-03-10  Ian Lance Taylor  <iant@google.com>
5203
5204         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5205         target to ask whether a reference to a symbol requires a stack
5206         split.
5207         * target.h (Target::is_call_to_non_split): New function.
5208         (Target::do_is_call_to_non_split): Declare virtual function.
5209         * target.cc: Include "symtab.h".
5210         (Target::do_is_call_to_non_split): New function.
5211         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5212
5213 2010-03-10  Cary Coutant  <ccoutant@google.com>
5214
5215         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5216         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5217         (File_read::open[2]): Add whole_file_view_ to list of views.
5218         (File_read::make_view): Remove test of whole_file_view_.
5219         (File_read::find_or_make_view): Create whole_file_view_ if
5220         necessary.
5221         (File_read::clear_views): Replace bool parameter with enum;
5222         adjust all callers.  Don't delete views with permanent data;
5223         do delete cached views and views from archives if
5224         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5225         if clearing the corresponding view.
5226         * fileread.h (File_read::Clear_views_mode): New enum.
5227         (File_read::View::is_permanent_view): New method.
5228         (File_read::clear_views): Replace bool parameter
5229         with enum; adjust all callers.
5230         * options.h (General_options): Change keep_files_mapped option;
5231         add map_whole_files.
5232         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5233         releasing the file.
5234         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5235         the file.
5236
5237 2010-03-10  David S. Miller  <davem@davemloft.net>
5238
5239         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5240
5241 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5242
5243         * icf.cc (get_section_contents): Add '@' marker after processing the
5244         merge reloc.
5245
5246 2010-03-08  Doug Kwan  <dougkwan@google.com>
5247
5248         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5249         due to a conversion warning.
5250         (Arm_relobj::update_output_local_symbol_count): Check for local
5251         symbol with unset output index.
5252
5253 2010-03-05  Ian Lance Taylor  <iant@google.com>
5254
5255         * options.h (class General_options): Add --spare-dynamic-tags.
5256         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5257         --spare-dynamic-tags.
5258
5259 2010-03-05  Ian Lance Taylor  <iant@google.com>
5260
5261         * incremental.cc: Include "libiberty.h".
5262
5263 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5264
5265         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5266         function, is_info_ member.
5267         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5268         (Versions::Versions): Update caller.
5269         (Versions::define_base_version): Likewise.
5270         (Versions::add_def): Likewise.
5271
5272 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5273
5274         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5275         (Scan::possible_function_pointer_reloc): New function.
5276         (Scan::local_reloc_may_be_function_pointer): Change to call
5277         possible_function_pointer_reloc.
5278         (Scan::global_reloc_may_be_function_pointer): Ditto.
5279         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5280         relocations in ".data.rel.ro._ZTV" section.
5281         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5282         * testsuite/icf_safe_so_test.cc: Ditto.
5283         * testsuite/icf_safe_test.cc: Ditto.
5284         * testsuite/icf_safe_test.sh: Ditto.
5285
5286 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5287             Ian Lance Taylor  <iant@google.com>
5288
5289         * target-reloc.h (relocate_section): Check the symbol table index
5290         for -1U before setting the local symbol index.
5291         (scan_relocatable_relocs): If copying the relocation, record that
5292         the local symbol is required.
5293         * object.h (Symbol_value::is_output_symtab_index_set): New
5294         function.
5295         (Symbol_value::may_be_discarded_from_output_symtab): New
5296         function.
5297         (Symbol_value::has_output_symtab_entry): New function.
5298         (Symbol_value::needs_output_symtab_entry): Remove.
5299         (Symbol_value::output_symtab_index): Make sure the symbol index is
5300         set.
5301         (Symbol_value::set_output_symtab_index): Make sure the symbol
5302         index is not set.  Make sure the new index is valid.
5303         (Symbol_value::set_must_have_output_symtab_entry): New function.
5304         (Symbol_value::has_output_dynsym_entry): New function.
5305         (Symbol_value::set_output_dynsym_index): Make sure the new index
5306         is valid.
5307         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5308         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5309         local symbol if permitted.
5310         (Sized_relobj::do_finalize_local_symbols): Call
5311         is_output_symtab_index_set rather than needs_output_symtab_entry.
5312         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5313         rather than needs_output_symtab_entry.  Call
5314         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5315         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5316         is_output_symtab_index_set rather than needs_output_symtab_entry.
5317         * testsuite/discard_locals_relocatable_test.c: New file.
5318         * testsuite/discard_locals_test.sh: Test -r.
5319         * testsuite/Makefile.am (check_DATA): Add
5320         discard_locals_relocatable_test1.syms,
5321         discard_local_relocatable_test2.syms.
5322         (MOSTLYCLEANFILES): Likewise.  Also add
5323         discard_locals_relocatable_test1.lout and
5324         discard_locals_relocatable_test2.out.
5325         (discard_locals_relocatable_test1.syms): New target.
5326         (discard_locals_relocatable_test.o): New target.
5327         (discard_locals_relocatable_test1.out): New target.
5328         (discard_locals_relocatable_test2.syms): New target.
5329         (discard_locals_relocatable_test2.out): New target.
5330         (various): Add missing ../ld-new dependencies.
5331         * testsuite/Makefile.in: Rebuild.
5332
5333 2010-03-03  Nick Clifton  <nickc@redhat.com>
5334
5335         * po/fi.po: New Finnish translation.
5336
5337 2010-03-01  Doug Kwan  <dougkwan@google.com>
5338
5339         * layout.cc (Layout::Layout): Force section types of .init_array*,
5340         .preinit_array* and .fini_array* sections.
5341         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5342         Fix check of return value of std::string::find.().
5343         (Output_section::Input_section_sort_compare::operator()): Remove
5344         comment about .init_array.
5345         (Output_section::Input_section_sort_init_fini_compare::operator()):
5346         New method.
5347         (Output_section::sort_attached_input_sections): Handle .init_array
5348         and .fini_array specially.
5349         * output.h (Output_section::Inut_section_sort_compare): Update
5350         comment.
5351         (Output_section::Input_section_sort_init_fini_compare): New struct.
5352
5353 2010-02-26  Doug Kwan  <dougkwan@google.com>
5354
5355         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5356         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5357         * testsuite/debug_msg.sh: Avoid matching source line number for
5358         use of global variable undef_int.
5359
5360 2010-02-26  Doug Kwan  <dougkwan@google.com>
5361
5362         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5363         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5364         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5365         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5366         * options.cc (General_options::General_options): Initialize member
5367         fix_v4bx_.
5368         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5369         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5370         and rm_no_fix_v4bx.stdout
5371         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5372         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5373         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5374         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5375         and arm_no_fix_v4bx.
5376         * Makefile.in: Regenerate.
5377         * testsuite/arm_fix_v4bx.s: New file.
5378         * testsuite/arm_fix_v4bx.sh: Ditto.
5379
5380 2010-02-24  Doug Kwan  <dougkwan@google.com>
5381
5382         * arm.cc (Target_arm::got_section): Make the .got section the first
5383         non RELRO section in the data segment.
5384         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5385         suffixes of section names.
5386
5387 2010-02-24  Doug Kwan  <dougkwan@google.com>
5388
5389         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5390         flags and attributes merging if an input file is a binary file.
5391         * fileread.cc (Input_file::open): Record format of original file.
5392         * fileread.h (Input_file::Format): New enum type.
5393         (Input_file::Input_file): Initialize data member format_.
5394         (Input_file::format): New method definition.
5395         (Input_file::format_):: New data member.
5396
5397 2010-02-24  Doug Kwan  <dougkwan@google.com>
5398
5399         * arm.cc (Arm_output_data_got): New class.
5400         (ARM_TCB_SIZE): New constant
5401         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5402         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5403         If user uses a script with a SECTIONS clause, issue only a warning
5404         for a misplaced EXIDX input section.  Otherwise, issue an error.
5405         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5406         garbage collection.
5407         (Target_arm::got_mode_index_entry): Handle static linking.
5408         (Target_arm::Scan::local): Ditto.
5409         (Target_arm::Scan::global): Ditto.
5410         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5411         all incorrectly implemented relocations.
5412         (Target_arm::fix_exidx_coverage): Pass layout to
5413         Arm_output_section::fix_exidx_coverage.
5414         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5415         from ".ARM.exidx." and ".ARM.extab.".
5416
5417 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5418
5419         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5420         section if it does not already exist.
5421         * attributes.cc (Attributes_section_data::Attributes_section_data):
5422         Don't crash if size is zero.
5423
5424 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5425             Ian Lance Taylor  <iant@google.com>
5426
5427         * gold.cc (queue_middle_tasks): If no input files were opened,
5428         exit.
5429         * workqueue.h (Task_function::Task_function): Assert that there is
5430         a blocker.
5431
5432 2010-02-22  Doug Kwan  <dougkwan@google.com>
5433
5434         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5435         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5436         types to avoid warnings due to different uint64_t implementations
5437         on different hosts.
5438
5439 2010-02-21  Doug Kwan  <dougkwan@google.com>
5440
5441         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5442         handling of the maximum backward branch offset.
5443         (Arm_relocate_functions::thumb_branch_common): Ditto.
5444         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5445         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5446         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5447         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5448         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5449         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5450         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5451         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5452         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5453         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5454         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5455         thumb2_bl_out_of_range.o): New rules.
5456         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5457         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5458         thumb2_bl_out_of_range
5459         * testsuite/Makefile.in: Regenerate.
5460         * testsuite/arm_bl_in_range.s: New file.
5461         * testsuite/arm_bl_out_of_range.s: Ditto.
5462         * testsuite/arm_branch_in_range.sh: Ditto.
5463         * testsuite/arm_branch_range.t: Ditto.
5464         * testsuite/thumb2_branch_range.t: Ditto.
5465         * testsuite/thumb_bl_in_range.s: Ditto.
5466         * testsuite/thumb_bl_out_of_range.s: Ditto.
5467         * testsuite/thumb_branch_range.t: Ditto.
5468
5469 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5470
5471         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5472         Add reloc offset information.
5473         * icf.cc (get_section_contents): Change iterators to point to the new
5474         vectors. Add reloc offset information to the contents.
5475         * icf.h (Icf::Sections_reachable_info): New typedef.
5476         (Icf::Sections_reachable_list): New typedef.
5477         (Icf::Offset_info): New typedef.
5478         (Icf::Reloc_info): New struct typedef.
5479         (Icf::Reloc_info_list): New typedef.
5480         (Icf::symbol_reloc_list): Delete method.
5481         (Icf::addend_reloc_list): Delete method.
5482         (Icf::section_reloc_list): Delete method.
5483         (Icf::reloc_info_list): New method.
5484         (Icf::reloc_info_list_): New member.
5485
5486 2010-02-19  Doug Kwan  <dougkwan@google.com>
5487
5488         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5489         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5490         * arm.cc (Arm_relocation_functions): New forward declaration.
5491         (Target_arm::Target_arm): Initialize new data members
5492         got_mod_index_offset_ and tls_base_symbol_defined_.
5493         (Target_arm::Relocate::relocate_tls): New method.
5494         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5495          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5496         New methods.
5497         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5498         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5499         (Target_arm::got_mod_index_offset_,
5500         Target_arm::tls_base_symbol_defined_): New data members.
5501         (Target_arm::Scan::local, Target::Scan::global,
5502         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5503         relocations.
5504
5505 2010-02-18  Doug Kwan  <dougkwan@google.com>
5506
5507         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5508         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5509         text section as a parameter becuase some broken tools may not set
5510         the link in section header.
5511         (Target_arm::has_got_section): New method.
5512         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5513         without any mapping symbol as data only.  Remove warning.
5514         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5515         link in its section header, try to discover the link by inspecting the
5516         REL31 relocation at the beginning of the section.
5517         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5518         in error message.
5519         (Target_arm::Scan::global): Treat any reference to the symbol
5520         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5521
5522 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5523
5524         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5525         (Scan::global_reloc_may_be_function_pointer): New function.
5526         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5527         (Scan::global_reloc_may_be_function_pointer): New function.
5528         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5529         (Scan::global_reloc_may_be_function_pointer): New function.
5530         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5531         (Scan::global_reloc_may_be_function_pointer): New function.
5532         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5533         (Scan::global_reloc_may_be_function_pointer): New function.
5534         (Scan::possible_function_pointer_reloc): New function.
5535         (Target_x86_64::can_check_for_function_pointers): New function.
5536         * gc.h (gc_process_relocs): Scan relocation types to determine if
5537         function pointers were taken for targets that support it.
5538         * icf.cc (Icf::find_identical_sections): Include functions for
5539         folding in safe ICF whose pointer is not taken.
5540         * icf.h (Secn_fptr_taken_set): New typedef.
5541         (fptr_section_id_): New member.
5542         (section_has_function_pointers): New function.
5543         (set_section_has_function_pointers): New function.
5544         (check_section_for_function_pointers): New function.
5545         * options.h: Fix comment for safe ICF option.
5546         * target.h (can_check_for_function_pointers): New function.
5547         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5548         Modify icf_safe_test for X86-64.
5549         * testsuite/Makefile.in: Regenerate.
5550         * testsuite/icf_safe_so_test.cc: New file.
5551         * testsuite/icf_safe_so_test.sh: New file.
5552         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5553         (main): Change to take pointer to function kept_func_3.
5554         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5555         folding is done correctly for X86-64.
5556
5557 2010-02-12  David S. Miller  <davem@davemloft.net>
5558
5559         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5560         is_symbolless parameter.
5561         (Output_reloc<SHT_REL>::is_symbolless): New.
5562         (Output_reloc<SHT_REL>::is_symbolless_): New.
5563         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5564         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5565         (Output_reloc<SHT_RELA>::is_symbolless): New.
5566         (Output_data_reloc::add_global): Handle is_symbolless.
5567         (Output_data_reloc::add_global_relative): Likewise.
5568         (Output_data_reloc::add_local): Likewise.
5569         (Output_data_reloc::add_local_relative): Likewise.
5570         (Output_data_reloc::add_symbolless_global_addend): New.
5571         (Output_data_reloc::add_symbolless_local_addend): New.
5572         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5573         is_symbolless.
5574         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5575         instead of ->is_relative_
5576         (Output_reloc::write): Likewise.
5577         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5578         (Output_reloc::write_rel): Simplify.
5579
5580         * sparc.cc (Target_sparc::Scan::local): Use
5581         ->add_symbolless_local_addend as needed.
5582         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5583         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5584         based upon relocation offset.
5585
5586 2010-02-11  Doug Kwan  <dougkwan@google.com>
5587
5588         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5589         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5590         beginning of function.
5591         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5592         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5593         parameter is_32bit in calls to should_apply_static_reloc.
5594         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5595         (check_DATA): Add arm_abs_global.stdout.
5596         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5597         arm_abs_global.stdout): New rules.
5598         (MOSTLLYCLEANFILES): Add arm_abs_global
5599         * Makefile.in: Regenerate.
5600         * testsuite/arm_abs_global.s: New file.
5601         * testsuite/arm_abs_global.sh: Ditto.
5602         * testsuite/arm_abs_lib.s: Ditto.
5603
5604 2010-02-11  Ian Lance Taylor  <iant@google.com>
5605
5606         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5607         Read_relocs task.
5608         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5609         Allocate_commons_task first.
5610         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5611         task, rather than symtab_lock_.
5612         (Gc_process_relocs::~Gc_process_relocs): New function.
5613         (Gc_process_relocs::is_runnable): Check this_blocker_.
5614         (Gc_process_relocs::locks): Use next_blocker_ rather than
5615         blocker_.
5616         (Scan_relocs::~Scan_relocs): New function.
5617         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5618         symtab_lock_.
5619         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5620         next_blocker_.
5621         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5622         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5623         constructor accordingly.
5624         (class Gc_process_relocs): Likewise.
5625         (class Scan_relocs): Likewise.
5626         * common.h (class Allocate_commons_task): Remove symtab_lock_
5627         field, and corresponding constructor parameter.
5628         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5629         symtab_lock_.
5630         (Allocate_commons_task::locks): Likewise.
5631
5632 2010-02-11  Ian Lance Taylor  <iant@google.com>
5633
5634         * gold-threads.h (class Once): Define.
5635         (class Initialize_lock): Rewrite as child of Once.
5636         * gold-threads.cc (class Once_initialize): Define.
5637         (once_pointer_control): New static variable.
5638         (once_pointer, once_arg): New static variables.
5639         (c_run_once): New static function.
5640         (Once::Once, Once::run_once, Once::internal_run): New functions.
5641         (class Initialize_lock_once): Remove.
5642         (initialize_lock_control): Remove.
5643         (initialize_lock_pointer): Remove.
5644         (initialize_lock_once): Remove.
5645         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5646         (Initialize_lock::initialize): Rewrite.
5647         (Initialize_lock::do_run_once): New function.
5648         * archive.cc (Archive::interpret_header): Only clear name if it is
5649         not already empty.
5650         * fileread.cc: Include "gold-threads.h"
5651         (file_counts_lock): New static variable.
5652         (file_counts_initialize_lock): Likewise.
5653         (File_read::release): Only increment counts when using --stats.
5654         Use a lock around the increment.
5655         * parameters.cc (class Set_parameters_target_once): Define.
5656         (set_parameters_target_once): New static variable.
5657         (Parameters::Parameters): Move here from parameters.h.
5658         (Parameters::set_target): Rewrite.
5659         (Parameters::set_target_once): New function.
5660         (Parameters::clear_target): Move here and rewrite.
5661         * parameters.h (class Parameters): Update declarations.  Add
5662         set_parameters_target_once_ field.
5663         (Parameters::Parameters): Move to parameters.cc.
5664         (Parameters::clear_target): Likewise.
5665         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5666         task.
5667         (Start_group::~Start_group): New function.
5668         (Start_group::is_runnable): New function.
5669         (Start_group::locks, Start_group::run): New functions.
5670         (Finish_group::run): Change saw_undefined to size_t.
5671         * readsyms.h (class Start_group): Define.
5672         (class Finish_group): Change saw_undefined_ field to size_t.
5673         (Finish_group::Finish_group): Remove saw_undefined and
5674         this_blocker parameters.  Change all callers.
5675         (Finish_group::set_saw_undefined): New function.
5676         (Finish_group::set_blocker): New function.
5677         * symtab.h (class Symbol_table): Change saw_undefined to return
5678         size_t.  Change saw_undefined_ field to size_t.
5679         * target-select.cc (Set_target_once::do_run_once): New function.
5680         (Target_selector::Target_selector): Initialize set_target_once_
5681         field.  Don't initialize lock_ and initialize_lock_ fields.
5682         (Target_selector::instantiate_target): Rewrite.
5683         (Target_selector::set_target): New function.
5684         * target-select.h (class Set_target_once): Define.
5685         (class Target_selector): Update declarations.  Make
5686         Set_target_once a friend.  Remove lock_ and initialize_lock_
5687         fields.  Add set_target_once_ field.
5688
5689 2010-02-10  Ian Lance Taylor  <iant@google.com>
5690
5691         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5692         queueing any tasks.
5693         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5694         (queue_middle_tasks): Add all blockers before queueing any tasks.
5695         (queue_final_tasks): Likewise.
5696         * token.h (Task_token::add_blockers): New function.
5697         * object.h (Input_objects::number_of_relobjs): New function.
5698
5699 2010-02-10  Ian Lance Taylor  <iant@google.com>
5700
5701         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5702         shared, not if not position independent.
5703         * x86_64.cc (Relocate::relocate_tls): Likewise.
5704         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5705         (tls_pie_pic_test): New target.
5706         * testsuite/Makefile.in: Rebuild.
5707
5708         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5709         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5710         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5711         * testsuite/Makefile.in: Rebuild.
5712
5713 2010-02-09  David S. Miller  <davem@davemloft.net>
5714
5715         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5716         R_SPARC_RELATIVE using ->add_local_relative().
5717         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5718
5719         * output.h (Output_data_dynamic::add_section_size): New method
5720         that takes two Output_data objects.
5721         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5722         entry param.  Handle it in initializers.
5723         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5724         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5725         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5726         arg.
5727         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5728         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5729         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5730         for dynrel_includes_plt.
5731         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5732         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5733         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5734         before .rela.plt
5735         (Target_sparc::do_finalize_sections): Update to pass true for
5736         dynrel_includes_plt.
5737         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5738         output before .rela.plt
5739         (Target_powerpc::do_finalize_sections): Update to pass true for
5740         dynrel_includes_plt when 32-bit.
5741
5742 2010-02-08  Doug Kwan  <dougkwan@google.com>
5743
5744         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5745         method.
5746         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5747         Arm_relobj::scan_section_for_cortex_a8_stubs,
5748         Arm_relobj::do_relocation_section): Instead of calling
5749         Output_section::output_address, use faster
5750         Arm_relobj::simple_input_section_output_address.
5751
5752 2010-02-08  David S. Miller  <davem@davemloft.net>
5753
5754         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5755         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5756         relocation helper function.
5757
5758         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5759         just like R_SPARC_GOT{10,13,22}.
5760         (Target_sparc::Scan::local): Likewise.
5761         (Target_sparc::Relocate:relocate): Likewise.
5762
5763 2010-02-06  Ian Lance Taylor  <iant@google.com>
5764
5765         * configure.ac: Rewrite targetobjs duplicate removal code to use
5766         only shell constructs.
5767         * configure: Rebuild.
5768
5769 2010-02-05  Doug Kwan  <dougkwan@google.com>
5770
5771         PR 11247
5772         * arm.cc (Arm_relobj::section_is_scannable): New method.
5773         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5774         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5775
5776 2010-02-04  Doug Kwan  <dougkwan@google.com>
5777
5778         PR 11247
5779         * arm-reloc-property.cc (cstdio): Include.
5780         * configure.ac (targetobjs): Remove duplicates.
5781         * configure: Regenerate.
5782         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5783         big and little endian version for a given address size.
5784
5785 2010-02-03  Doug Kwan  <dougkwan@google.com>
5786
5787         * arm-reloc-property.cc
5788         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5789         definition.
5790         * arm-reloc-property.h
5791         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5792         New method definition.
5793         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5794         declaration.
5795         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5796         overflow to N.
5797         (GOT_PREL): Change implemented to Y.
5798         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5799         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5800         (Arm_relocate_functions::movw_abs_nc): Remove method.
5801         (Arm_relocate_functions::movt_abs): Ditto.
5802         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5803         (Arm_relocate_functions::thm_movt_abs): Ditto.
5804         (Arm_relocate_functions::movw_rel_nc): Ditto.
5805         (Arm_relocate_functions::movw_rel): Ditto.
5806         (Arm_relocate_functions::movt_rel): Ditto.
5807         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5808         (Arm_relocate_functions:thm_movw_rel): Ditto.
5809         (Arm_relocate_functions:thm_movt_rel): Ditto.
5810         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5811         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5812         New method definitions.
5813         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5814         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5815         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5816         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5817         (Target_arm::Relocate::relocate): Check for non-static or
5818         unimplemented relocation code and exit early.  Change calls to
5819         Target_arm::reloc_uses_thumb_bit and
5820         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5821         instead.  Refactor code to handle similar relocations to increase
5822         code sharing.  Remove check for unsupported relocation code in switch
5823         statement.
5824         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5825         relocation property table to find out size.  Change error message to
5826         print out the name of a relocation code instead of the numeric value.
5827         (Target_arm::scan_reloc_for_stub): Use relocation property table
5828         instead of calling Target_arm::reloc_uses_thumb_bit().
5829
5830 2010-02-02  Doug Kwan  <dougkwan@google.com>
5831
5832         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5833         types of relaxed input section.
5834
5835 2010-02-02  Doug Kwan  <dougkwan@google.com>
5836
5837         * Makefile.am (HFILES): Add arm-reloc-property.h.
5838         (DEFFILES): New.
5839         (TARGETSOURCES): Add arm-reloc-property.cc
5840         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5841         (libgold_a_SOURCES): $(DEFFILES)
5842         * Makefile.in: Regenerate.
5843         * arm-reloc-property.cc: New file.
5844         * arm-reloc-property.h: New file.
5845         * arm-reloc.def: New file.
5846         * arm.cc: Update comments.
5847         (arm-reloc-property.h): New included header.
5848         (arm_reloc_property_table): New global variable.
5849         (Target_arm::do_select_as_default_target): New method definition.
5850         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5851         arm-reloc-property to targ_extra_obj.
5852         * parameters.cc (set_parameters_target): Call
5853         Target::select_as_default_target().
5854         * target.h (Target::select_as_default_target): New method definition.
5855         (Target::do_select_as_default_target): Same.
5856
5857 2010-02-01  Doug Kwan  <dougkwan@google.com>
5858
5859         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5860         first_output_text_section_.
5861         (Arm_exidx_fixup::first_output_text_section): New method definition.
5862         (Arm_exidx_fixup::first_output_text_section_): New data member.
5863         (Arm_exidx_fixup::process_exidx_section): Record the first text
5864         output section seen.
5865         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5866         and entsize in output section header.
5867
5868 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5869
5870         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5871         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5872         (Arm_relocate_functions::thm_alu11): New Method.
5873         (Arm_relocate_functions::thm_pc8): New Method.
5874         (Arm_relocate_functions::thm_pc12): New Method.
5875         (Target_arm::Scan::local): Handle the relocations.
5876         (Target_arm::Scan::global): Likewise.
5877         (Target_arm::Relocate::relocate): Likewise.
5878         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5879
5880 2010-01-29  Doug Kwan  <dougkwan@google.com>
5881
5882         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5883         of relocation types as ld.
5884
5885 2010-01-29  Doug Kwan  <dougkwan@google.com>
5886
5887         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5888         to public.
5889         (Arm_relocate_functions::thumb_branch_common): Ditto.
5890         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5891         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5892         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5893         Arm_relocate_functions::jump24): Remove.
5894         (Target_arm::Relocate::relocate): Adjust code to call
5895         Arm_relocation_functions::arm_branch_common and
5896         Arm_relocation_functions::thumb_branch_common instead of their removed
5897         wrappers.  Merge switch-cases together to reduce source code size.
5898
5899 2010-01-29  Doug Kwan  <dougkwan@google.com>
5900
5901         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5902         output_local_symbol_count_needs_update_.
5903         (Arm_relobj::output_local_symbol_count_needs_update,
5904          Arm_relobj::set_output_local_symbol_count_needs_update,
5905          Arm_relobj::update_output_local_symbol_count): New methods.
5906         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5907         member.
5908         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5909         of pointed function as in a R_ARM_PREL31 relocation.
5910         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5911         for output local symbol count updating.
5912         (Target_arm::do_relax): Update output local symbol counts in objects
5913         if necessary.
5914         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5915
5916 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5917
5918         * arm.cc: Added support for the ARM relocations:
5919         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5920         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5921         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5922         movw_prel_nc).
5923         (Arm_relocate_functions::movw_rel): New method.
5924         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5925         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5926         thm_movw_prel_nc).
5927         (Arm_relocate_functions::thm_movw_rel): New method.
5928         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5929         thm_movt_prel).
5930         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5931         relocations.
5932         (Target_arm::Scan::global): Likewise.
5933         (Target_arm::Relocate::relocate): Likewise.
5934         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5935         Likewise.
5936
5937 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5938
5939         * arm.cc: Added support for ARM group relocations.
5940         (Target_arm::reloc_needs_sym_origin): New method.
5941         (Arm_relocate_functions::calc_grp_kn): New method.
5942         (Arm_relocate_functions::calc_grp_residual): New method.
5943         (Arm_relocate_functions::calc_grp_gn): New method.
5944         (Arm_relocate_functions::arm_grp_alu): New Method.
5945         (Arm_relocate_functions::arm_grp_ldr): New Method.
5946         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5947         (Arm_relocate_functions::arm_grp_ldc): New Method.
5948         (Target_arm::Scan::local): Handle the ARM group relocations.
5949         (Target_arm::Scan::global): Likewise.
5950         (Target_arm::Relocate::relocate): Likewise.
5951         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5952         Likewise.
5953
5954 2010-01-26  Doug Kwan  <dougkwan@google.com>
5955
5956         * arm.cc (set): Include.
5957         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5958         pointer type.
5959         (Arm_output_section::Text_section_list): New type.
5960         (Arm_output_section::append_text_sections_to_list): New method.
5961         (Arm_output_section::fix_exidx_coverage): Ditto.
5962         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5963         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5964         Relobj::set_section_offset() instead of
5965         Sized_relobj::invalidate_section_offset().
5966         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5967         parameter for section headers. Ignore relocation sections for
5968         unallocated sections and EXIDX sections.
5969         (Target_arm::fix_exidx_coverage): New method.
5970         (Target_arm::output_section_address_less_than): New type.
5971         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5972         linked text section instead of the EXIDX section.
5973         (Arm_output_section::create_stub_group): Add an assertion to check
5974         that this is not an EXIDX output section.
5975         (Arm_output_section::append_text_sections_to_list): New method.
5976         (Arm_output_section::fix_exidx_coverage): Ditto.
5977         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5978         Arm_relobj::section_needs_reloc_stub_scanning.
5979         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5980         first pass.
5981         (Target_arm::fix_exidx_coverage): New method.
5982         * object.h (Relobj::set_output_section): New method.
5983         (Sized_relobj::invalidate_section_offset): Remove method.
5984         (Sized_relobj::do_invalidate_section_offset): Remove method.
5985         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5986
5987 2010-01-25  Doug Kwan  <dougkwan@google.com>
5988
5989         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5990         Fix warning due to signed and unsigned comparison on a 32-bit host.
5991
5992 2010-01-22  Doug Kwan  <dougkwan@google.com>
5993
5994         * arm.cc (Target_arm::do_relax): Record an output section for section
5995         offset adjustment it contains any stub table that has changed.
5996         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5997         offsets in an output section if necessary.
5998         * output.cc (Output_section::Output_section): Initialize
5999         section_offsets_need_adjustments_.
6000         (Output_section::add_input_section_for_script): Renamed to
6001         Output_section::add_simple_input_section.
6002         (Output_section::save_states): Add a comment.
6003         (Output_section::discard_states): New method defintion.
6004         (Output_section::adjust_section_offsets): Same.
6005         * output.h (Output_section::add_input_section_for_script): Renamed to
6006         Output_section::add_simple_input_section.
6007         (Output_section::discard_states): New method declaration.
6008         (Output_section::adjust_section_offsets): Same.
6009         (Output_section::section_offsets_need_adjustment,
6010         Output_section::set_section_offsets_need_adjustment): New method
6011         definitions.
6012         (Output_section::section_offsets_need_adjustment_): New data member.
6013         * script-sections.cc
6014         (Output_section_element_input::set_section_address): Adjust code for
6015         renaming of Output_section::add_input_section_for_script.
6016         (Orphan_output_section::set_section_address): Same.
6017
6018 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6019
6020         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6021         Fix_v4bx enum values .
6022         * gold/options.h (General_options): New option definitions.
6023         (General_options::fix_v4bx): New method.
6024         (General_options::Fix_v4bx): New enum.
6025         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6026         (General_options::parse_fix_v4bx_interworking): New method.
6027
6028 2010-01-22  Doug Kwan  <dougkwan@google.com>
6029
6030         * arm.cc (Arm_exidx_fixup): New class.
6031
6032 2010-01-21  Doug Kwan  <dougkwan@google.com>
6033
6034         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6035         classes.
6036         (Arm_exidx_section_offset_map): New type.
6037
6038 2010-01-21  Doug Kwan  <dougkwan@google.com>
6039
6040         * arm.cc (Arm_exidx_input_section): New class.
6041         (Arm_relobj::exidx_input_section_by_link,
6042         Arm_relobj::exidx_input_section_by_shndx,
6043         Arm_relobj::make_exidx_input_section): New methods.
6044         (read_arm_attributes_section): Remove.
6045         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6046         information about them.
6047         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6048         to here.
6049
6050 2010-01-20  Doug Kwan  <dougkwan@google.com>
6051
6052         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6053         Input_section_specifier to Section_id.
6054         (Target_arm::new_arm_input_section: Adjust code for change of key
6055         type.
6056         (Target_arm::find_arm_input_section): Ditto.
6057         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6058         (Section_id): Remove.
6059         (Garbage_collection::Section_id_hash): Remove.
6060         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6061         (Section_id): Remove.
6062         (Icf::Section_id_hash): Remove.
6063         * object.h (Section_id, Const_section_id, Section_id_hash,
6064         Const_section_id_hash): New type definitions.
6065         * output.cc (Output_section::add_relaxed_input_section): Change to
6066         use Const_section_id instead of Input_section_specifier as key type.
6067         (Output_section::add_merge_input_section): Ditto.
6068         (Output_section::build_relaxation_map): Change to use Section_id
6069         instead of Input_section_specifier as key type.
6070         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6071         Ditto.
6072         (Output_section::convert_input_sections_to_relaxed_sections): Change
6073         to use Const_section_id instead of Input_section_specifier as key type.
6074         (Output_section::find_merge_section): Ditto.
6075         (Output_section::find_relaxed_input_section): Ditto.
6076         * output.h (Input_section_specifier): Remove class.
6077         (Output_section::Output_section_data_by_input_section_map): Change
6078         key type to Const_section_id.
6079         (Output_section::Output_relaxed_input_section_by_input_section_map):
6080         Ditto.
6081         (Output_section::Relaxation_map): Change key type to Section_id.
6082
6083 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6084
6085         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6086         (class Arm_v4bx_stub): New class.
6087         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6088         (Stub_factory::make_arm_v4bx_stub): New method.
6089         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6090         (Stub_table::empty): Handle v4bx stubs.
6091         (Stub_table::add_arm_v4bx_stub): New method.
6092         (Stub_table::find_arm_v4bx_stub): New method.
6093         (Arm_relocate_functions::v4bx): New method.
6094         (Target_arm::fix_v4bx): New method.
6095         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6096         (Stub_table::relocate_stubs): Likewise.
6097         (Stub_table::do_write): Likewise.
6098         (Stub_table::update_data_size_and_addralign): Likewise.
6099         (Stub_table::finalize_stubs):  Likewise.
6100         (Target_arm::Scan::local): Likewise.
6101         (Target_arm::Scan::global): Likewise.
6102         (Target_arm::do_finalize_sections): Likewise.
6103         (Target_arm::Relocate::relocate): Likewise.
6104         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6105         Likewise.
6106         (Target_arm::scan_reloc_for_stub): Likewise.
6107         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6108
6109 2010-01-19  Ian Lance Taylor  <iant@google.com>
6110
6111         * output.cc (Output_section_headers::do_sized_write): Write large
6112         segment count to sh_info field.
6113         (Output_file_header::do_sized_write): For large segment count,
6114         write PN_XNUM to e_phnum field.
6115
6116 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6117
6118         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6119         (Arm_relocate_functions::thm_jump8): New function.
6120         (Arm_relocate_functions::thm_jump11): New function.
6121         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6122         R_ARM_THM_JUMP11.
6123         (Target_arm::Scan::global): Likewise.
6124         (Target_arm::Relocate::relocate): Likewise.
6125         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6126         Likewise.
6127
6128 2010-01-14  Doug Kwan  <dougkwan@google.com>
6129
6130         * arm.cc (map, utility): Include headers.
6131         (Target_arm::apply_cortex_a8_workaround): New method.
6132         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6133         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6134         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6135         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6136         the --[no-]fix-cortex-a8 command line options.
6137         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6138         (Target_arm::relocate_stub): Use addend in instruction template.
6139         * options.h (DEFINE_bool): Set the user-set flag.
6140         (General_options): Add --[no-]-fix-cortex options.
6141         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6142         : Update fast look-up map after conversion.
6143
6144 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6145
6146         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6147         in the first pass of do_layout.
6148
6149 2010-01-13  Doug Kwan  <dougkwan@google.com>
6150
6151         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6152         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6153         apparent compiler problem of not folding static constant integral
6154         data members of elfcpp::Elf_sizes<32>.
6155
6156 2010-01-13  Doug Kwan  <dougkwan@google.com>
6157
6158         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6159         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6160         Arm_relobj::scan_section_for_cortex_a8_erratum,
6161         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6162         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6163         sections to scan for relocation stubs into a new method
6164         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6165         relocation and Cortex-A8 stub scanning.
6166         (Target_arm::do_relax): Force stubs to be after stubbed sections
6167         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6168         the beginning of a new relaxation pass.  Update a comment.
6169         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6170
6171 2010-01-12  Ian Lance Taylor  <iant@google.com>
6172
6173         * target-reloc.h (visibility_error): New inline function.
6174         (relocate_section): Call visibility_error.
6175         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6176         (MOSTLYCLEANFILES): Likewise.
6177         (protected_4_pic.o, protected_3.err): New targets.
6178         * testsuite/protected_4.cc: New file.
6179
6180 2010-01-12  Doug Kwan  <dougkwan@google.com>
6181
6182         * arm.cc (Cortex_a8_reloc): New class.
6183         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6184         and cortex_a8_relocs_info_.
6185         (Target_arm::fix_cortex_a8): New method definition.
6186         (Target_arm::Cortex_a8_relocs_info): New type.
6187         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6188         New data member declarations.
6189         (Target_arm::scan_reloc_for_stub): Record information about
6190         relocations for THUMB branches that might be exempted from the
6191         Cortex-A8 workaround.
6192         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6193         at the beginning of a relaxation pass.
6194
6195 2010-01-12  Doug Kwan  <dougkwan@google.com>
6196
6197         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6198         (Arm_relobj::Mapping_symbol_position,
6199          Arm_reloj::Mapping_symbol_position_less,
6200          Arm_relobj::Mapping_symbols_info): New types.
6201         (Target_arm::is_mapping_symbol_name): New method definition.
6202         (Arm_relobj::do_count_local_symbols): Save information about mapping
6203         symbols.
6204
6205 2010-01-11  Doug Kwan  <dougkwan@google.com>
6206
6207         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6208         Arm_relocate_functions::thumb32_branch_upper,
6209         Arm_relocate_functions::thumb32_branch_lower,
6210         Arm_relocate_functions::thumb32_cond_branch_offset,
6211         Arm_relocate_functions::thumb32_cond_branch_upper,
6212         Arm_relocate_functions::thumb32_cond_branch_lower,
6213         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6214         branch offset encoding.
6215         (Arm_relocate_functions::thumb_branch_common): Use new branch
6216         offset encoding methods to avoid code duplication.
6217         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6218         (Stub_addend_reader::operator()): Use new branch encoding method
6219         to avoid code duplication.
6220
6221 2010-01-11  Doug Kwan  <dougkwan@google.com>
6222
6223         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6224         (Target_arm::do_finalize_sections): Define special EXIDX section
6225         symbols only if referenced.
6226         * gc.h (Garbage_collection::add_reference): New method.
6227         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6228         code duplication.
6229
6230 2010-01-11  Ian Lance Taylor  <iant@google.com>
6231
6232         * script.cc (Version_script_info::build_expression_list_lookup):
6233         Change complaing about duplicate wildcard match from error to
6234         warning.
6235
6236         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6237         of 2009-12-30.
6238         (Version_script_info::Version_script_info): Initialize globs_,
6239         default_version_, default_is_global_, and exact_.  Don't
6240         initialize globals_ or locals_.
6241         (Version_script_info::build_lookup_tables): Build local symbols
6242         first.
6243         (Version_script_info::unquote): New function.
6244         (Version_script_info::add_exact_match): New function.
6245         (Version_script_info::build_expression_list_lookup): Remove lookup
6246         parameter.  Add is_global parameter.  Change all callers.  Handle
6247         wildcard pattern specially.  Unquote pattern.  Call
6248         add_exact_match.
6249         (Version_script_info::get_name_to_match): New function.
6250         (Version_script_info::get_symbol_version): New function.
6251         (Version_script_info::get_symbol_version_helper): Remove.
6252         (Version_script_info::check_unmatched_names): Call unquote.
6253         * script.h (class Version_script_info): Change get_symbol_version
6254         to be non-inline and add is_global parameter; change all callers.
6255         Rewrite symbol_is_local.  Update declarations.  Define struct
6256         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6257         Remove globals_ and locals_ members.  Add exact_, globs_,
6258         default_version_, is_global_.
6259         (Version_script_info::Glob): Remove pattern, add expression and
6260         is_global.  Update constructor.  Change all callers.
6261         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6262         default version.
6263         (Versions::symbol_section_contents): If a symbol is undefined, or
6264         defined in a dynamic object, set the version index to
6265         VER_NDX_LOCAL.
6266         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6267         symbol_is_local.
6268         (Symbol_table::add_from_pluginobj): Likewise.
6269         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6270
6271 2010-01-11  Doug Kwan  <dougkwan@google.com>
6272
6273         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6274         (incremental_dump_LDADD): Add linking option for libintl.
6275         * Makefile.in: Regenerate.
6276
6277 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6278
6279         PR gold/11144
6280         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6281         instead of -Ds.
6282         * testsuite/Makefile.in: Regenerated.
6283
6284 2010-01-10  Doug Kwan  <dougkwan@google.com>
6285
6286         * options.h (DEFINE_var): Use parentheses around argument varname__
6287         in macro body to avoid any unintended subsequent substitutions.
6288
6289 2010-01-10  Ian Lance Taylor  <iant@google.com>
6290
6291         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6292         candidates before doing symbol resolution.
6293
6294         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6295         ODR candidates if only one is weak.
6296
6297 2010-01-08  Ian Lance Taylor  <iant@google.com>
6298
6299         * script.cc (Version_script_info::build_expression_list_lookup):
6300         Don't warn about ambiguous version, just record the ambiguity.
6301         (Version_script_info::get_symbol_version_helper): Give error if
6302         version is ambiguous.
6303
6304 2010-01-08  Doug Kwan  <dougkwan@google.com>
6305
6306         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6307           prev_data_size_ and prev_addralign_.  Remove initializer for
6308           deleted data member has_been_changed_.
6309           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6310           to determine if the table is empty.
6311           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6312           Remove.
6313           (Stub_table::add_reloc_stub): Define method in class definition
6314           instead of just declaring it there.
6315           (Stub_table::add_cortex_a8_stub): New method definition.
6316           (Stub_table::update_data_size_and_addralign): Ditto.
6317           (Stub_table::finalize_stubs): Ditto.
6318           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6319           (Stub_table::do_addralign_): Return address alignment in the
6320           (Stub_table::do_reset_address_and_file_offset): Define method in
6321           class definition instead of declaring it there.  Set current data
6322           size to be the data size of the previous pass.
6323           (Stub_table::set_final_data_size): Use current data size as the
6324           final data size.
6325           (Stub_table::relocate_stub): Change parameter type of stub from
6326           Reloc_stub pointer to Stub pointer.
6327           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6328           (Stub_table::Cortex_a8_stub_list): New typedef.
6329           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6330            Stub_table::prev_addralign_): New data member.
6331           (Arm_relobj::Arm_relobj): Initialize data member
6332           section_has_cortex_a8_workaround_.
6333           (Arm_relobj::section_has_cortex_a8_workaround,
6334            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6335            definitions.
6336           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6337           declarations.
6338           (Target_arm::relocate_stub): Change parameter type of stub from
6339           Reloc_stub pointer to Stub pointer.
6340           (Insn_template::size, Insn_template::alignment): Handle
6341           THUMB16_SPECIAL_TYPE.
6342           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6343            Stub_table::update_data_size_and_addralign,
6344            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6345           definitions.
6346           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6347           (Stub_table::do_write): Ditto.
6348           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6349
6350 2010-01-08  Ian Lance Taylor  <iant@google.com>
6351
6352         PR 11108
6353         * symtab.h (class Symbol): Remove fields is_target_special_ and
6354         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6355         (Symbol::is_defined_in_discarded_section): New function.
6356         (Symbol::set_is_defined_in_discarded_section): New function.
6357         (Symbol::has_plt_offset): Rewrite.
6358         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6359         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6360         Don't initialize is_target_special_ or has_plt_offset_.
6361         Initialize is_defined_in_discarded_section_.
6362         (Symbol_table::add_from_relobj): If appropriate, set
6363         is_defined_in_discarded_section.
6364         * resolve.cc (Symbol::override_base_with_special): Don't test
6365         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6366         * target-reloc.h (relocate_section): Do special handling for
6367         symbols defined in discarded sections for global symbols as well
6368         as local symbols.
6369
6370 2010-01-08  Ian Lance Taylor  <iant@google.com>
6371
6372         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6373         the SHT_SYMTAB case.
6374
6375 2010-01-08  Ian Lance Taylor  <iant@google.com>
6376
6377         * object.cc (Sized_relobj::do_layout): Don't get confused if
6378         layout_eh_frame returns NULL.
6379
6380 2010-01-08  Ian Lance Taylor  <iant@google.com>
6381
6382         PR 11084
6383         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6384         dynamic symbol table, use the normal symbol table.
6385         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6386         symbol table.
6387
6388 2010-01-08  Ian Lance Taylor  <iant@google.com>
6389
6390         PR 11072
6391         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6392         sections.
6393
6394 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6395
6396         * version.cc (print_version): Change to "Copyright 2010".
6397
6398 2010-01-08  Ian Lance Taylor  <iant@google.com>
6399
6400         PR 10287
6401         PR 11063
6402         * i386.cc (class Target_i386): Change return type of plt_section
6403         to be non-const.
6404         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6405         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6406         tls_desc_rel_ field.
6407         (Output_data_plt_i386::rel_tls_desc): New function.
6408         (Target_i386::rel_tls_desc_section): New function.
6409         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6410         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6411         R_386_TLS_DESC reloc in rel_tls_desc_section.
6412         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6413         Define struct Tlsdesc_info.
6414         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6415         (Target_x86_64::do_reloc_symbol_index): New function.
6416         (Target_x86_64::add_tlsdesc_info): New function.
6417         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6418         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6419         tlsdesc_rel_ field.
6420         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6421         all callers.
6422         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6423         (Target_x86_64::rela_tlsdesc_section): New function.
6424         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6425         handling.
6426         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6427         (Target_x86_64::do_reloc_addend): New function.
6428         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6429         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6430         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6431         (Output_reloc::type): New function.
6432         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6433         (Output_reloc::is_target_specific): New function.
6434         (Output_reloc::target_arg): New function.
6435         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6436         absolute relocs and target specific relocs.
6437         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6438         add_target_specific.
6439         (class Output_data_reloc) [SHT_RELA]: Likewise.
6440         * output.cc (Output_reloc::Output_reloc): Add four new versions
6441         for absolute relocs and target specific relocs.
6442         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6443         (Output_reloc::get_symbol_index): Likewise.
6444         (Output_reloc::local_section_offset): Check that local_sym_index_
6445         is not TARGET_CODE or 0.
6446         (Output_reloc::symbol_value): Likewise.
6447         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6448         reloc.
6449         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6450         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6451         functions.
6452         * layout.cc (add_target_dynamic_tags): Use output section for
6453         DT_PLTRELSZ and DT_JMPREL.
6454
6455 2010-01-07  Ian Lance Taylor  <iant@google.com>
6456
6457         PR 11061
6458         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6459         function.
6460         (class Output_data_reloc_generic): Define.
6461         (class Output_data_reloc_base): Change base class to
6462         Output_data_reloc_generic.  Change add() method to call
6463         bump_relative_reloc_count for a relative reloc.  Remove
6464         sort_relocs_ field.
6465         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6466         to sort_relocs().
6467         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6468         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6469         appropriate.
6470         * layout.h (class Layout): Update declaration.
6471
6472 2010-01-07  Ian Lance Taylor  <iant@google.com>
6473
6474         * output.h (class Output_data): Add const version of
6475         output_section and do_output_section.
6476         (class Output_section_data): Add const version of
6477         do_output_section.
6478         (class Output_section): Likewise.
6479         * layout.cc (Layout::add_target_dynamic_tags): New function.
6480         * layout.h (class Layout): Update declarations.
6481         * arm.cc (Target_arm::do_finalize_sections): Use
6482         add_target_dynamic_tags.
6483         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6484         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6485         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6486         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6487
6488 2010-01-07  Ian Lance Taylor  <iant@google.com>
6489
6490         PR 11042
6491         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6492         object as needed.
6493
6494 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6495             Ian Lance Taylor  <iant@google.com>
6496
6497         PR 11019
6498         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6499         Xindex::read_symtab_xindex.
6500
6501 2010-01-07  Doug Kwan  <dougkwan@google.com>
6502
6503         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6504         (Insn_template::thumb16_bcond_insn): New method declaration.
6505         (Insn_template): Fix spelling.
6506         (Stub::thumb16_special): New method declaration.
6507         (Stub::do_write): Define virtual method which was previously pure
6508         virtual.
6509         (Stub::do_thumb16_special): New method declaration.
6510         (Stub::do_fixed_endian_write): New template member.
6511         (Reloc_stub::do_write): Remove.
6512         (Reloc_stub::do_fixed_endian_write): Remove.
6513         (Cortex_a8_stub): New class definition.
6514         (Stub_factory::make_cortex_a8_stub): New method definition.
6515         (Stub_factory::Stub_factory): Add missing static storage class
6516         qualifier for elf32_arm_stub_a8_veneer_blx.
6517
6518 2010-01-07  Ian Lance Taylor  <iant@google.com>
6519
6520         PR 10980
6521         * options.h (class General_options): Add --warn-unresolved-symbols
6522         and --error-unresolved-symbols.
6523         * errors.cc (Errors::undefined_symbol): Implement
6524         --warn-unresolved-symbols.
6525
6526         * options.h (class General_options): Add -z text and -z textoff.
6527         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6528
6529 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6530
6531         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6532         (Garbage_collection::cident_sections): New function.
6533         (Garbage_collection::add_cident_section): New function.
6534         (Garbage_collection::cident_sections_): New member.
6535         (gc_process_relocs): Add references to sections whose names are C
6536         identifiers.
6537         * gold.h (cident_section_start_prefix): New constant.
6538         (cident_section_stop_prefix): New constant.
6539         (is_cident): New function.
6540         * layout.cc (Layout::define_section_symbols): Replace string constants
6541         with the newly defined constants.
6542         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6543         C identifiers.
6544         * testsuite/Makefile.am: Add gc_orphan_section_test.
6545         * testsuite/Makefile.in: Regenerate.
6546         * testsuite/gc_orphan_section_test.cc: New file.
6547         * testsuite/gc_orphan_section_test.sh: New file.
6548
6549 2010-01-06  Ian Lance Taylor  <iant@google.com>
6550
6551         PR 10980
6552         * options.h (class General_options): Add --warn-shared-textrel.
6553         * layout.cc (Layout::finish_dynamic_section): Implement
6554         --warn-shared-textrel.
6555
6556         PR 10980
6557         * options.h (class General_options): Add --warn-multiple-gp.
6558
6559 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6560
6561         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6562         $(THREADSLIB) and $(LIBDL).
6563         * Makefile.in: Rebuild.
6564
6565 2010-01-06  Ian Lance Taylor  <iant@google.com>
6566
6567         PR 10980
6568         * options.cc (General_options::parse_section_start): New function.
6569         (General_options::section_start): New function.
6570         (General_options::General_options): Initialize all members.
6571         * options.h: Include <map>
6572         (class General_options): Add --section-start.  Add section_starts_
6573         member.
6574         * layout.cc (Layout::attach_allocated_section_to_segment): If
6575         --section-start was used, set the address of the segment.  Remove
6576         local sort_sections.
6577         (Layout::relaxation_loop_body): If the address of the load segment
6578         has been set by --section-start, don't use it.
6579         * output.h (Output_segment::update_flags_for_output_section): New
6580         function.
6581         * output.cc (Output_segment::add_output_section): Call
6582         update_flags_for_output_section.
6583
6584 2010-01-05  Ian Lance Taylor  <iant@google.com>
6585
6586         PR 10980
6587         * options.h (class General_options): Add --undefined-version.
6588         * script.cc (struct Version_expression): Add was_matched_by_symbol
6589         field.
6590         (Version_script_info::matched_symbol): New function.
6591         (Version_script_info::get_symbol_version_helper): Call
6592         matched_symbol.
6593         (Version_script_info::check_unmatched_names): New function.
6594         * script.h (class Version_script_info): Update declarations.
6595         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6596
6597         * options.h (class General_options): Use DEFINE_bool_alias for
6598         allow_multiple_definition.
6599         * resolve.cc (Symbol_table::should_override): Don't test
6600         allow_multiple_definition.
6601
6602         PR 10980
6603         * options.h (class General_options): Add --cref.
6604         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6605         until after printing cref table.
6606         * cref.cc: Include "symtab.h".
6607         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6608         (Cref_table_compare::operator()): New function.
6609         (Cref_inputs::gather_cref): New function.
6610         (filecol): New static const.
6611         (Cref_inputs::print_cref): New function.
6612         (Cref::print_cref): New function.
6613         * cref.h: Include <cstdio>.
6614         (class Cref): Update declarations.
6615         * mapfile.h (Mapfile::file): New function.
6616         * object.h (class Object): Define Symbols.  Declare virtual
6617         do_get_global_symbols.
6618         (Object::get_global_symbols): New function.
6619         * object.cc (Input_objects::add_object): Pass object to cref_ if
6620         --cref.
6621         (Input_objects::archive_start): Likewise.
6622         (Input_objects::archive_stop): Likewise.
6623         (Input_objects::print_cref): New function.
6624         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6625         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6626         --cref.
6627         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6628         function.
6629         * plugin.h (class Sized_pluginobj): Update declarations.
6630
6631 2010-01-05  Ian Lance Taylor  <iant@google.com>
6632
6633         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6634         to is_default_version.  Rename insdef to insdefault.
6635         (Symbol_table::add_from_relobj): Rename def to is_default_version
6636         and local to is_forced_local.
6637         (Symbol_table::add_from_pluginobj): Likewise.
6638         (Symbol_table::add_from_dynobj): Likewise.
6639         (Symbol_table::define_special_symbol): Rename insdef to
6640         insdefault.
6641
6642 2010-01-04  Ian Lance Taylor  <iant@google.com>
6643
6644         PR 10980
6645         * options.h (class General_options): Add
6646         --allow-multiple-definition and -z muldefs.
6647         * resolve.cc (Symbol_table::should_override): Don't warn about a
6648         multiple symbol definition if --allow-multiple-definition or -z
6649         muldefs.
6650
6651         PR 10980
6652         * options.h (class General_options): Add --add-needed and
6653         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6654         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6655         error if --copy-dt-needed-entries aka --add-needed is used and
6656         would cause a change in behaviour.
6657
6658         PR 10980
6659         * options.h (class General_options): Add -G as a short version of
6660         --shared.  Add no-op options -assert, -g, and -i.
6661
6662 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6663
6664         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6665         check for .text or .gnu.linkonce.t sections.
6666         * icf.cc (Icf::find_identical_sections): Ditto.
6667         Change the detection for mangled function name within the section
6668         name.
6669         * icf.h (is_section_foldable_candidate): New function.
6670
6671 2009-12-30  Ian Lance Taylor  <iant@google.com>
6672
6673         PR 10980
6674         * options.h (class General_options): Permit two dashes with
6675         --retain-symbols-file.
6676
6677 2009-12-30  Ian Lance Taylor  <iant@google.com>
6678
6679         PR 10979
6680         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6681         don't put the file header and segment headers in the text
6682         segment.
6683
6684         PR 10979
6685         * common.cc (Sort_commons::operator()): Stabilize sort when both
6686         entries are NULL.
6687         (Symbol_table::do_allocate_commons_list): When allocating common
6688         symbols, skip a symbol which is no longer common.
6689         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6690         an object before checking its type.
6691         * testsuite/common_test_2.c: New file.
6692         * testsuite/common_test_3.c: New file.
6693         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6694         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6695         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6696         (common_test_2_pic.o, common_test_2.so): New targets.
6697         (common_test_3_pic.o, common_test_3.so): New targets.
6698         * testsuite/Makefile.in: Rebuild.
6699
6700         PR 10979
6701         * script.cc (read_input_script): If we see a new SECTIONS clause,
6702         and we have added an input section, give an error.
6703         * layout.h (class Layout): Add have_added_input_section function.
6704         Add have_added_input_section_ field.
6705         * layout.cc (Layout::Layout): Initialize
6706         have_added_input_section_.
6707         (Layout::layout): Set have_added_input_section_.
6708         (Layout::layout_eh_frame): Likewise.
6709
6710 2009-12-30  Ian Lance Taylor  <iant@google.com>
6711
6712         PR 10931
6713         * options.h (class General_options): Add --sort-common option.
6714         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6715         * common.cc (Sort_common): Add sort_order parameter to
6716         constructor.  Add sort_order_ field.
6717         (Sort_commons::operator): Check sort_order_.
6718         (Symbol_table::allocate_commons): Determine the sort order.
6719         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6720         Change all callers.
6721         (Symbol_table::do_allocate_commons_list): Likewise.
6722
6723 2009-12-30  Ian Lance Taylor  <iant@google.com>
6724
6725         PR 10916
6726         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6727         symbols from this object, don't change the visibility of an
6728         undefined symbol.
6729         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6730
6731 2009-12-30  Ian Lance Taylor  <iant@google.com>
6732
6733         PR 10861
6734         * script.h (class Version_script_info): Define Language enum.
6735         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6736         new fields globals_, locals_, and is_finalized_.
6737         * script.cc: Various formatting fixes.
6738         (class Parser_closure): Change language_stack_ from a vector of
6739         std::string to one of Version_script_info::Language.  Adjust all
6740         uses accordingly.
6741         (class Lazy_demangler): Remove.
6742         (struct Version_expression): Change language from std::string to
6743         Version_script_info::Language.
6744         (Version_script_info::Version_script_info): New function.
6745         (Version_script_info::~Version_script_info): Don't call clear.
6746         (Version_script_info::finalize): New function.
6747         (Version_script_info::build_lookup_tables): New function.
6748         (Version_script_info::build_expression_list_lookup): New
6749         function.
6750         (Version_script_info::get_symbol_version_helper): Rewrite to use
6751         lookup tables.
6752         (Version_script_info::print_expression_list): Adjust to use
6753         Version_script_info::Language.
6754         (script_push_lex_into_version_mode): Check that the version script
6755         has not been finalized.
6756         (version_script_push_lang): Change language string to
6757         Version_script_info::Language.
6758         * options.cc (Command_line::version_script): New function.
6759         * options.h (class General_options): Add finalize_dynamic_list
6760         function.  Change version_script from declaration to definition.
6761         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6762         * testsuite/version_script.map: Remove duplicate def of foo.
6763         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6764         version_script.map.
6765         * testsuite/Makefile.in: Rebuild.
6766
6767 2009-12-30  Ian Lance Taylor  <iant@google.com>
6768
6769         PR 10843
6770         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6771         if the input symbol index is 0, make the output symbol index 0.
6772
6773 2009-12-30  Ian Lance Taylor  <iant@google.com>
6774
6775         PR 10670
6776         * options.h (class General_options): Add -x/--discard-all.
6777         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6778         --discard-all.  If the local symbol needs a dynamic entry, check
6779         that before handling --discard-locals.
6780
6781 2009-12-30  Ian Lance Taylor  <iant@google.com>
6782
6783         PR 10450
6784         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6785         flags to PF_R.
6786         (Output_segment::add_output_section): Don't change the flags if
6787         the type is PT_TLS.
6788
6789         PR 10450
6790         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6791         GNU hash table if they need a dynamic value.  Otherwise, don't add
6792         them if they are defined in a dynamic object or are forced local.
6793
6794 2009-12-29  Ian Lance Taylor  <iant@google.com>
6795
6796         PR 10450
6797         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6798         .gnu.hash table for a 32-bit target.
6799
6800         PR 10450
6801         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6802         regular and a dynamic object only needs a dynamic symbol table
6803         entry if it is externally visible.
6804
6805         PR 10450
6806         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6807         constructor.  Add global_offset_table_ field.
6808         (Target_i386::got_section): Set global_offset_table_.
6809         (Target_i386::do_finalize_sections): Set global_offset_table_
6810         size.
6811         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6812         in constructor.  Add global_offset_table_ field.
6813         (Target_x86_64::got_section): Set global_offset_table_.
6814         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6815         size.
6816
6817         * layout.cc (Layout::Layout): Initialize increase_relro_.
6818         (Layout::get_output_section): Add is_relro, is_last_relro, and
6819         is_first_non_relro parameters.  Change all callers.
6820         (Layout::choose_output_section): Likewise.
6821         (Layout::add_output_section_data): Likewise.
6822         (Layout::make_output_section): Likewise.
6823         (Layout::set_segment_offsets): Clear increase_relro when using a
6824         linker script.
6825         * layout.h (class Layout): Add increase_relro method.  Add
6826         increase_relro_ field.  Update declarations.
6827         * output.cc (Output_section::Output_section): Initialize
6828         is_last_relro_ and is_first_non_relro_.
6829         (Output_segment::add_output_section): Group relro sections is
6830         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6831         (Output_segment::maximum_alignment): Remove relro handling.
6832         (Output_segment::set_section_addresses): Add increase_relro
6833         parameter.  Change all callers.  Add initial alignment to align
6834         relro sections on separate page.  Remove old relro handling.
6835         (Output_segment::set_section_list_addresses): Remove in_relro
6836         parameter.  Change all callers.
6837         (Output_segment::set_offset): Add increase parameter.  Change all
6838         callers.  Remove old relro handling.
6839         * output.h (class Output_section): Add new methods: is_last_relro,
6840         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6841         Add is_last_relro_ and is_first_non_relro_ fields.
6842         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6843         Create separate .got.plt section.  Call increase_relro.
6844         * x86_64.cc (Target_x86_64::got_section): Likewise.
6845         * testsuite/relro_script_test.t: Add .got.plt.
6846
6847         PR 10450
6848         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6849         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6850         (Layout::finalize): Call set_dynamic_symbol_size.
6851         (Layout::set_dynamic_symbol_size): New function.
6852         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6853         set_dynamic_symbol_size.
6854
6855         PR 10450
6856         * output.h (class Output_section): Add is_entsize_zero_ field.
6857         * output.cc (Output_section::Output_section): Initialize
6858         is_entsize_zero_.
6859         (Output_section::set_entsize): If two different entsizes are
6860         requested, force it to zero.
6861         (Output_section::add_input_section): Set flags for .debug_str
6862         before updating section flags.  Set entsize.
6863         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6864         and SHF_STRING if all input sections have those flags.
6865
6866 2009-12-29   Rafael Espindola  <espindola@google.com>
6867
6868         * main.cc (main): Fix the sys time reporting.
6869         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6870         reporting.
6871
6872 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6873
6874         * options.cc (General_options::parse_version): Allow -v to exit
6875         without an error if there is nothing to link.
6876
6877 2009-12-29  Ian Lance Taylor  <iant@google.com>
6878
6879         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6880         using a version of gcc before 4.1.
6881         * configure: Rebuild.
6882
6883 2009-12-28  Chris Demetriou  <cgd@google.com>
6884
6885         * attributes.cc (Output_attributes_section_data::do_write): Use
6886         std::vector::front rather than std::vector::data.
6887
6888 2009-12-28  Ian Lance Taylor  <iant@google.com>
6889
6890         * symtab.h (class Symbol_table): Add enum Defined.
6891         * resolve.cc (Symbol_table::should_override): Add defined
6892         parameter.  Change all callers.  Test whether object is NULL
6893         before calling a method on it.
6894         (Symbol_table::report_resolve_problem): Add defined parameter.
6895         Change all callers.
6896         (Symbol_table::should_override_with_special): Likewise.
6897         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6898         parameter.  Change all callers.
6899         (Symbol_table::do_define_in_output_data): Likewise.
6900         (Symbol_table::define_in_output_segment): Likewise.
6901         (Symbol_table::do_define_in_output_segment): Likewise.
6902         (Symbol_table::define_as_constant): Likewise.
6903         (Symbol_table::do_define_as_constant): Likewise.
6904         * script.h (class Symbol_assignment): Add is_defsym parameter to
6905         constructor; change all callers.
6906         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6907         parameter.  Change all callers.  Add is_defsym_ field.
6908         (class Parser_closure): Add parsing_defsym parameter to
6909         constructor; change all callers.  Add parsing_defsym accessor
6910         function.  Add parsing_defsym_ field.
6911
6912 2009-12-28  Ian Lance Taylor  <iant@google.com>
6913
6914         * gold.cc (queue_middle_tasks): Fix formatting.
6915         * object.cc (Relobj::is_section_name_included): Likewise.
6916
6917 2009-12-23  Ian Lance Taylor  <iant@google.com>
6918
6919         * i386.cc (Target_i386::do_calls_non_split): Recognize
6920         -fsplit-stack prologue for a function with a static chain.
6921         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6922         -fsplit-stack prologue when using %r11.
6923
6924 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6925
6926         * options.cc (General_options::parse_version): Make -v continue and do
6927         the link like GNU ld does.
6928
6929 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6930
6931         * Makefile.am (CCFILES): Add timer.cc.
6932         (HFILES): Add timer.h.
6933         * configure.ac: Check for sysconf and times.
6934         * main.cc: include timer.h.
6935         (main): Use Timer instead of get_run_time.
6936         * timer.cc: New.
6937         * timer.h: New.
6938         * workqueue.cc: include timer.h.
6939         (Workqueue::find_and_run_task):
6940         Report user, sys and wall time.
6941         * Makefile.in: Regenerate.
6942         * config.in: Regenerate.
6943         * configure: Regenerate.
6944
6945 2009-12-16  Doug Kwan  <dougkwan@google.com>
6946
6947         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6948         sections.
6949         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6950         relaxed input sections.
6951         * output.cc (Output_section::find_relaxed_input_section): Change
6952         return type to Output_relaxed_input_section pointer.  Adjust code
6953         for new type of relaxed_input_section_map_.
6954         * output.h (Output_section::find_relaxed_input_section): Change
6955         return type to Output_relaxed_input_section pointer.
6956         (Output_section::Output_relaxed_input_section_by_input_section_map):
6957         New type.
6958         (Output_section::relaxed_input_section_map_): Change type to
6959         Output_section::Output_relaxed_input_section_by_input_section_map.
6960         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6961         input section.
6962
6963 2009-12-15  Ian Lance Taylor  <iant@google.com>
6964
6965         * layout.cc (Layout::create_shstrtab): Only write out after input
6966         sections if we are compressing debug sections.
6967
6968 2009-12-15  Ian Lance Taylor  <iant@google.com>
6969
6970         * archive.cc (Archive::add_symbols): Only look up a symbol without
6971         a version if there is, in fact, a version.
6972
6973 2009-12-14  Ian Lance Taylor  <iant@google.com>
6974
6975         Revert -Wshadow changes, all changes from:
6976         2009-12-11  Doug Kwan  <dougkwan@google.com>
6977         2009-12-11  Nick Clifton  <nickc@redhat.com>
6978         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6979
6980 2009-12-11  Doug Kwan  <dougkwan@google.com>
6981
6982         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6983         due to -Wshadow.
6984         * attributes.cc (Object_attribute::size): Ditto.
6985         (Attributes_section_data::size): Ditto.
6986         (Attributes_section_data::Attributes_section_data): Ditto.
6987         (Output_attributes_section_data::do_write): Ditto.
6988         * attributes.h (Object_attribute::set_type): Ditto.
6989         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6990
6991 2009-12-11  Nick Clifton  <nickc@redhat.com>
6992
6993         * archive.cc: Fix shadowed variable warnings.
6994         * arm.cc: Likewise.
6995         * compressed_output.cc: Likewise.
6996         * compressed_output.h: Likewise.
6997         * configure: Likewise.
6998         * dwarf_reader.cc: Likewise.
6999         * dynobj.cc: Likewise.
7000         * dynobj.h: Likewise.
7001         * ehframe.cc: Likewise.
7002         * ehframe.h: Likewise.
7003         * errors.cc: Likewise.
7004         * expression.cc: Likewise.
7005         * fileread.cc: Likewise.
7006         * fileread.h: Likewise.
7007         * freebsd.h: Likewise.
7008         * i386.cc: Likewise.
7009         * icf.cc: Likewise.
7010         * incremental.h: Likewise.
7011         * layout.cc: Likewise.
7012         * layout.h: Likewise.
7013         * mapfile.cc: Likewise.
7014         * merge.cc: Likewise.
7015         * merge.h: Likewise.
7016         * object.cc: Likewise.
7017         * object.h: Likewise.
7018         * options.h: Likewise.
7019         * output.cc: Likewise.
7020         * output.h: Likewise.
7021         * parameters.cc: Likewise.
7022         * plugin.cc: Likewise.
7023         * powerpc.cc: Likewise.
7024         * reduced_debug_output.cc: Likewise.
7025         * reduced_debug_output.h: Likewise.
7026         * reloc.cc: Likewise.
7027         * reloc.h: Likewise.
7028         * resolve.cc: Likewise.
7029         * script-sections.cc: Likewise.
7030         * script.cc: Likewise.
7031         * script.h: Likewise.
7032         * sparc.cc: Likewise.
7033         * symtab.cc: Likewise.
7034         * symtab.h: Likewise.
7035         * target-select.cc: Likewise.
7036         * target-select.h: Likewise.
7037         * token.h: Likewise.
7038         * workqueue.cc: Likewise.
7039         * workqueue.h: Likewise.
7040         * x86_64.cc: Likewise.
7041
7042 2009-12-10  Doug Kwan  <dougkwan@google.com>
7043
7044         * arm.cc (attributes.h): New include.
7045         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7046         (Arm_relobj::~Arm_relobj): Delete object pointed by
7047         attributes_section_data_.
7048         (Arm_relobj::attributes_section_data): New method definition.
7049         (Arm_relobj::attributes_section_data_): New data member declaration.
7050         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7051         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7052         attributes_section_data_.
7053         (Arm_dynobj::attributes_section_data): New method definition.
7054         (Arm_dynobj::attributes_section_data_): New data member declaration.
7055         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7056         initialization value of may_use_blx_ to false.
7057         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7058         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7059         object attributes to compute results instead of hard-coding.
7060         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7061         Target_arm::get_secondary_compatible_arch,
7062         Target_arm::set_secondary_compatible_arch
7063         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7064         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7065         New method declarations.
7066         (Target_arm::get_aeabi_object_attribute): New method definition.
7067         (Target_arm::attributes_section_data_): New data member declaration.
7068         (read_arm_attributes_section): New template definition.
7069         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7070         (Arm_dynobj::do_read_symbols): Ditto.
7071         (Target_arm::do_finalize_sections): Merge attributes sections from
7072         input.  Check for BLX use after attributes section merging.
7073         Fix __exidx_start and __exidx_end visibility.  Create an
7074         .ARM.attributes section if necessary.
7075         (Target_arm::get_secondary_compatible_arch,
7076         Target_arm::set_secondary_compatible_arch,
7077         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7078         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7079         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7080         New method definitions.
7081
7082 2009-12-09  Ian Lance Taylor  <iant@google.com>
7083
7084         * plugin.cc (Plugin::load): Don't cast from void* to a function
7085         pointer.
7086
7087 2009-12-09  Ian Lance Taylor  <iant@google.com>
7088
7089         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7090         information fields.
7091
7092 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7093
7094         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7095         Replace two_file_shared_1.so with two_file_shared_2.so.
7096         * testsuite/Makefile.in: Regenerated.
7097
7098 2009-12-08  Doug Kwan  <dougkwan@google.com>
7099
7100         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7101         (HFILES): Add attributes.h and int_encoding.h.
7102         * Makefile.in: Regenerate.
7103         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7104         function definitions to int_encoding.cc
7105         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7106         prototypes to int_encoding.h
7107         * reduced_debug_output.cc (int_encoding.h): New include.
7108         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7109         function definitions to int_encoding.cc
7110         (insert_into_vector, read_from_pointer): Move template definitions to
7111         int_encoding.h
7112         * attributes.cc: New file.
7113         * attributes.h: New file.
7114         * int_encoding.cc: New file.
7115         * int_encoding.h: New file.
7116
7117 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7118
7119         PR gold/11055
7120         * incremental-dump.cc (dump_incremental_inputs): New.
7121         (main): Use dump_incremental_inputs.
7122
7123 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7124
7125         PR gold/10893
7126         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7127         checking elfcpp::STT_FUNC.
7128         (Target_i386::Relocate::relocate): Likewise.
7129         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7130
7131         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7132         symbols from shared libraries into normal FUNC symbols.
7133
7134         * symtab.h (Symbol): Add is_func and use it.
7135
7136 2009-12-05  Doug Kwan  <dougkwan@google.com>
7137
7138         * arm.cc (Target_arm::arm_info): Initialize new fields
7139         attributes_section and attributes_vendor.
7140         * i386.cc (Target_i386::i386_info): Same.
7141         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7142         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7143         fields attributes_section and attributes_vendor.
7144         * sparc.cc (Target_sparc::sparc_info): Same.
7145         * target.h (Target::attributes_section, Target::attributes_vendor,
7146         Target::is_attributes_section, Target::attribute_arg_type,
7147         Target::attributes_order): New method definitions.
7148         (Target::Target_info::attributes_section,
7149         Target::Target_info::attributes_vendor): New fields.
7150         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7151         virtual method definitions.
7152         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7153         attributes_section and attributes_vendor.
7154         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7155
7156 2009-12-05  Doug Kwan  <dougkwan@google.com>
7157
7158         * arm.cc: Update comments about interworking and stub generation.
7159         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7160         considered as non-PIC.
7161         (Arm_relocate_functions::base_abs): Fix formatting.
7162         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7163         of function to use GOT entry address instead of offset.
7164         (Target_arm::Scan::global): Issue an error if a symbol would need a
7165         PLT does not get one because it is untyped.  Remove code to create
7166         dynamic symbols for relative branches.
7167         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7168         takes unsigned integer instead of boolean.
7169
7170 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7171
7172         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7173         (two_file_test_LDADD): Likewise.
7174         (common_test_1_LDADD): Likewise.
7175         (exception_test_LDADD) Likewise.
7176         (weak_test_LDADD): Likewise.
7177         (many_sections_test_LDADD): Likewise.
7178         (initpri1_LDADD): Likewise.
7179         (script_test_1_LDADD): Likewise.
7180         (script_test_2_LDADD): Likewise.
7181         (justsyms_LDADD): Likewise.
7182         (binary_test_LDADD): Likewise.
7183         (large_LDADD): Likewise.
7184         * testsuite/Makefile.in: Regenerated.
7185
7186 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7187
7188         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7189         (Symbol_table::override_with_special): Likewise.
7190         (Symbol_table::add_from_object): Likewise.
7191
7192 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7193
7194         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7195         Don't set the data_offset twice.
7196
7197 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7198
7199         * testsuite/Makefile.in: Regenerate.
7200
7201 2009-12-03  Doug Kwan  <dougkwan@google.com>
7202
7203         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7204         (Target_arm::do_finalize_sections): Add parameter for symbol table
7205         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7206         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7207         parameter for symbol table pointer.
7208         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7209         an additional parameter for a pointer to symbol table.
7210         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7211         parameter for a symbol table pointer.
7212         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7213         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7214         Ditto.
7215         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7216         parameter for a symbol table pointer.
7217
7218 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7219
7220         * incremental.cc (Incremental_inputs_header)
7221         (Incremental_inputs_header_write, Incremental_inputs_entry)
7222         (Incremental_inputs_entry_write): Move ...
7223         * incremental.h (Incremental_inputs_header)
7224         (Incremental_inputs_header_write, Incremental_inputs_entry)
7225         (Incremental_inputs_entry_write): here.
7226
7227 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7228
7229         * incremental.cc (make_sized_incremental_binary): Set the target.
7230         Error if it is incompatible.
7231         * output.h (Output_file): Add filename method.
7232
7233 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7234
7235         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7236         from the get_* methods.
7237
7238 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7239
7240         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7241         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7242         Write 0 for the data_offset of scripts.
7243
7244 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7245
7246         * testsuite/Makefile.am: Add the incremental_test.sh test.
7247         * testsuite/incremental_test.sh: New.
7248         * testsuite/incremental_test_1.c: New.
7249         * testsuite/incremental_test_2.c: New.
7250
7251 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7252
7253        * incremental-dump.cc (main): Fix typos.
7254
7255 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7256
7257         PR gold/11025
7258         * incremental-dump.cc (main): Use llu to print 64 bit values.
7259
7260 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7261             H.J. Lu  <hongjiu.lu@intel.com>
7262
7263         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7264         $(LIBDL).
7265         (incremental_dump_LDADD): Likewise.
7266         * Makefile.in: Regenerated.
7267
7268 2009-11-25  Doug Kwan  <dougkwan@google.com>
7269
7270         Revert:
7271
7272         2009-11-25  Doug Kwan  <dougkwan@google.com>
7273
7274                 * arm.cc (Target_arm::Target_arm): Move method definition
7275                 outside of class definition.  Add code to handle
7276                 --target1-rel, --target1-abs and --target2= options.
7277                 (Target_arm::get_reloc_reloc_type): Change method to be
7278                 non-static and const.
7279                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7280                 New data member declaration.
7281                 (Target_arm::Scan::local, Target_arm::Scan::global,
7282                 Target_arm::Relocate::relocate,
7283                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7284                 Adjust call to Target_arm::get_real_reloc_type.
7285                 (Target_arm::get_real_reloc_type): Use command line options
7286                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7287                 * options.h (--target1-rel, --target1-abs, --target2): New
7288                 ARM-only options.
7289
7290 2009-11-25  Doug Kwan  <dougkwan@google.com>
7291
7292         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7293         class definition.  Add code to handle --target1-rel, --target1-abs
7294         and --target2= options.
7295         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7296         and const.
7297         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7298         member declaration.
7299         (Target_arm::Scan::local, Target_arm::Scan::global,
7300         Target_arm::Relocate::relocate,
7301         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7302         call to Target_arm::get_real_reloc_type.
7303         (Target_arm::get_real_reloc_type): Use command line options to
7304         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7305         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7306         options.
7307
7308 2009-11-25  Doug Kwan  <dougkwan@google.com>
7309
7310         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7311         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7312         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7313         formatting.
7314         (Arm_relocate_functions::thm_call): Replace body with a call to
7315         Arm_relocate_functions::thumb_branch_common.
7316         (Arm_relocate_functions::thm_jump24,
7317         Arm_relocate_functions::thm_xpc22): New method definitions.
7318         (Arm_relocate_functions::thumb_branch_common): New method definition.
7319         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7320         operator.
7321         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7322         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7323
7324 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7325
7326         * Makefile.am: Build incremental-dump
7327         * Makefile.in: Regenerate.
7328         * incremental-dump.cc: New.
7329         * incremental.cc (Incremental_inputs_header_data,
7330         Incremental_inputs_entry_data): Move to incremental.h
7331         * incremental.h: (Incremental_inputs_header_data,
7332         Incremental_inputs_entry_data): Move from incremental.cc
7333
7334 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7335
7336         * incremental.cc (Incremental_inputs_header,
7337         Incremental_inputs_header_write, Incremental_inputs_entry,
7338         Incremental_inputs_entry_write): Add a typedef with the data type.
7339
7340 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7341
7342         * incremental.cc (Incremental_inputs_header,
7343         Incremental_inputs_header_write, Incremental_inputs_entry,
7344         Incremental_inputs_entry_write): Update comment about which
7345         type has the filed descriptions.
7346
7347 2009-11-15  Doug Kwan  <dougkwan@google.com>
7348
7349         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7350         (Arm_relocate_functions::arm_branch_common): Change method defintion
7351         in class definition to a method declaration and update list of formal
7352         parameters.
7353         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7354         Arm_relocation_functions::jump24): Adjust call to
7355         Arm_relocate_functions::arm_branch_common.  Update list of formal
7356         parameters.
7357         (Arm_relocate_functions::xpc25): New method definition.
7358         (Arm_relocate_functions::arm_branch_common): Move method defintion
7359         out from class definition.  Use stubs for mode-switching and extending
7360         branch ranges.
7361         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7362         specially.  Change code to enable use of stubs in ARM branches.
7363
7364 2009-11-10  Doug Kwan  <dougkwan@google.com>
7365
7366         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7367         in method declaration.
7368         (Target_arm::relocate_stub): New method declaration.
7369         (Target_arm::default_target): Change to return a pointer instead of
7370         a const reference.
7371         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7372         Target_arm::default_target.
7373         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7374         method definition.
7375         (Target_arm::relocate_section): Adjust view.
7376         (Target_arm::relocate_stub): New method definition.
7377
7378 2009-11-10  Doug Kwan  <dougkwan@google.com>
7379
7380         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7381         a format warning.
7382         * incremental.cc (open_incremental_binary): Initialized local
7383         variables to avoid warnings.
7384         * object.cc (make_elf_object): Ditto.
7385         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7386         a format warning.
7387
7388 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7389
7390         PR gold/10930
7391         * testsuite/plugin_test.c: Include "config.h".
7392
7393 2009-11-09  Doug Kwan  <dougkwan@google.com>
7394
7395         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7396         (arm_symbol_value): Remove.
7397         (Arm_relocate_functions::arm_branch_common,
7398         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7399         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7400         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7401         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7402         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7403         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7404         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7405         Arm_relocate_functions::thm_mobw_abs_nc,
7406         Arm_relocate_functions::thm_mov_abs,
7407         Arm_relocate_functions::movw_prel_nc,
7408         Arm_relocate_functions::thm_movt_abs,
7409         Arm_relocate_functions::movt_prel,
7410         Arm_relocate_functions::thm_movw_prel_nc,
7411         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7412         (Target_arm::Relocate::relocate): Only decompose address into two
7413         parts if relocation type uses the thumb-bit and pass the actual
7414         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7415         calls to methods in Arm_relocate_functions for this change.
7416
7417 2009-11-08  Ian Lance Taylor  <iant@google.com>
7418
7419         PR 10925
7420         * reloc.cc: Instantiate
7421         Sized_relobj::initialize_input_to_output_maps and
7422         Sized_relobj:free_input_to_output_maps.
7423
7424 2009-11-06  Ian Lance Taylor  <iant@google.com>
7425
7426         PR 10876
7427         * defstd.cc (in_segment): Set only_if_ref true for "end".
7428
7429 2009-11-06  Doug Kwan  <dougkwan@google.com>
7430
7431         * arm.cc (class Reloc_stub): Correct a comment.
7432         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7433         (Target_arm::scan_section_for_stubs): New method declaration.
7434         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7435         Change methods from private to protected.
7436         (Target_arm::do_may_relax): New method definition.
7437         (Target_arm::do_relax, Target_arm::group_sections,
7438         Target_arm::scan_reloc_for_stub,
7439         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7440         (Target_arm::arm_input_section_map_): New data member declaration.
7441         (Target_arm::scan_reloc_for_stub,
7442         Target_arm::scan_reloc_section_for_stubs,
7443         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7444         Target_arm::do_relax): New method definitions.
7445
7446 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7447
7448         * configure.ac: Check for (struct stat)::st_mtim
7449         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7450         * config.in: Regenerate.
7451         * configure: Regenerate.
7452
7453 2009-11-05  Ian Lance Taylor  <iant@google.com>
7454
7455         PR 10910
7456         * output.cc (Output_segment::add_output_section): Add missing
7457         return statement.
7458
7459 2009-11-04  Ian Lance Taylor  <iant@google.com>
7460
7461         PR 10880
7462         * object.h (class Object): Add is_needed and set_is_needed
7463         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7464         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7465         defined in a dynamic object and referenced by a regular object,
7466         set is_needed for the dynamic object.
7467         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7468         if the file is marked with as_needed and it is not needed.
7469
7470 2009-11-04  Ian Lance Taylor  <iant@google.com>
7471
7472         PR 10887
7473         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7474         tags if data is discarded by linker script.
7475         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7476         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7477         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7478         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7479
7480 2009-11-04  Ian Lance Taylor  <iant@google.com>
7481
7482         * layout.cc (Layout::get_output_section): Add is_interp and
7483         is_dynamic_linker_section parameters.  Change all callers.
7484         (Layout::choose_output_section): Likewise.
7485         (Layout::make_output_section): Likewise.
7486         (Layout::add_output_section_data): Add is_dynamic_linker_section
7487         parameter.  Change all callers.
7488         * layout.h (class Layout): Update declarations.
7489         * output.h (class Output_section): Add is_interp, set_is_interp,
7490         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7491         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7492         generate_code_fills_at_write_ to a bitfield.
7493         * output.cc (Output_section::Output_sections): Initialize new
7494         fields.
7495         (Output_segment::add_output_section): Add do_sort parameter.
7496         Change all callers.
7497
7498 2009-11-03  Ian Lance Taylor  <iant@google.com>
7499
7500         PR 10860
7501         * options.h (class General_options): Add --warn-common.
7502         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7503         merging two common symbols.
7504         (Symbol_table::should_override): Handle --warn-common when merging
7505         a common symbol with a defined symbol.  Use report_resolve_problem
7506         for multiple definitions.
7507         (Symbol_table::report_resolve_problem): New function.
7508         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7509
7510 2009-11-03  Doug Kwan  <dougkwan@google.com>
7511
7512         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7513         stub_factory_.
7514         (Target_arm::stub_factory): New method definition.
7515         (Target_arm::new_arm_input_section,
7516         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7517         Target_arm::reloc_uses_thumb_bit): New method declarations.
7518         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7519         New type definitions.
7520         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7521         member declarations.
7522         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7523         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7524         New method definitions.
7525
7526 2009-11-03  Ian Lance Taylor  <iant@google.com>
7527
7528         * options.h (class General_options): Add --warn_constructors.
7529
7530 2009-11-03  Ian Lance Taylor  <iant@google.com>
7531
7532         PR 10893
7533         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7534         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7535
7536 2009-11-03  Ian Lance Taylor  <iant@google.com>
7537
7538         PR 10895
7539         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7540         --msgid-bugs-address.
7541         (install-pdf): New target.
7542         (install-data_yes): Look up one directory to find mkinstalldirs.
7543
7544 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7545
7546         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7547         tree.
7548
7549 2009-10-30  Doug Kwan  <dougkwan@google.com>
7550
7551         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7552
7553 2009-10-30  Doug Kwan  <dougkwan@google.com>
7554
7555         * arm.cc (Stub_addend_reader): New struct template definition
7556         and partial specializations.
7557         (Stub_addend_reader::operator()): New method definition for a
7558         partially specialized template.
7559
7560 2009-10-30  Doug Kwan  <dougkwan@google.com>
7561
7562         * arm.cc (Arm_relobj::processor_specific_flags): New method
7563         definition.
7564         (Arm_relobj::do_read_symbols): New method declaration.
7565         (Arm_relobj::processor_specific_flags_): New data member declaration.
7566         (Arm_dynobj): New class definition.
7567         (Target_arm::do_finalize_sections): Add input_objects parameter.
7568         (Target_arm::do_adjust_elf_header): New method declaration.
7569         (Target_arm::are_eabi_versions_compatible,
7570         (Target_arm::merge_processor_specific_flags): New method declaration.
7571         (Target_arm::do_make_elf_object): New overloaded method definitions
7572         and declaration.
7573         (Arm_relobj::do_read_symbols): New method definition.
7574         (Arm_dynobj::do_read_symbols): Ditto.
7575         (Target_arm::do_finalize_sections): Add input_objects parameters.
7576         Merge processor-specific flags from all input objects.
7577         (Target_arm::are_eabi_versions_compatible,
7578         Target_arm::merge_processor_specific_flags,
7579         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7580         New method definitions.
7581         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7582         Input_objects pointer type parameter.
7583         * layout.cc (Layout::finalize): Pass input objects to target's.
7584         finalize_sections function.
7585         * output.cc (Output_file_header::do_sized_write): Set ELF file
7586         header's processor-specific flags.
7587         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7588         Input_objects pointer type parameter.
7589         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7590         * target.h (Input_objects): New forward class declaration.
7591         (Target::processor_specific_flags,
7592         Target::are_processor_specific_flags_sect): New method definitions.
7593         (Target::finalize_sections): Add input_objects parameter.
7594         (Target::Target): Initialize processor_specific_flags_ and
7595         are_processor_specific_flags_set_.
7596         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7597         parameter.
7598         (Target::set_processor_specific_flags): New method definition.
7599         (Target::processor_specific_flags_,
7600         Target::are_processor_specific_flags_set_): New data member
7601         declarations.
7602         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7603         Input_objects pointer type parameter.
7604
7605 2009-10-30  Doug Kwan  <dougkwan@google.com>
7606
7607         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7608
7609 2009-10-28  Ian Lance Taylor  <iant@google.com>
7610
7611         * object.h (class Relobj): Drop options parameter from
7612         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7613         do_scan_relocs, do_relocate.  Change all callers.
7614         (class Sized_relobj): Drop options parameters from
7615         do_gc_process_relocs, do_scan_relocs, do_relocate,
7616         do_relocate_sections, relocate_sections, emit_relocs_scan,
7617         emit_relocs_scan_reltype.  Change all callers.
7618         (struct Relocate_info): Remove options field and all references to
7619         it.
7620         * reloc.h (class Read_relocs): Remove options constructor
7621         parameter and options_ field.  Change all callers.
7622         (class Gc_process_relocs, class Scan_relocs): Likewise.
7623         (class Relocate_task): Likewise.
7624         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7625         all callers.
7626         (scan_relocatable_relocs): Likewise.
7627         * target.h (class Sized_target): Remove options parameter from
7628         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7629         all callers.
7630         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7631         callers.
7632         * arm.cc: Update functions to remove options parameters.
7633         * i386.cc: Likewise.
7634         * powerpc.cc: Likewise.
7635         * sparc.cc: Likewise.
7636         * x86_64.cc: Likewise.
7637         * testsuite/testfile.cc: Likewise.
7638
7639 2009-10-28  Doug Kwan  <dougkwan@google.com>
7640
7641         * arm.cc (Arm_relobj): New class definition.
7642         (Arm_relobj::scan_sections_for_stubs,
7643         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7644         New method definitions.
7645
7646 2009-10-28  Cary Coutant  <ccoutant@google.com>
7647
7648         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7649         (Plugin::cleanup_done_): New member.
7650         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7651         (Plugin_manager::cleanup_done_): Remove.
7652         (Plugin_manager::add_input_file): Edit error message.
7653         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7654         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7655
7656 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7657
7658         * fileread.cc: (File_read::View::~View): Use the new
7659         data_ownership_ filed.
7660         (File_read::~File_read): Dispose the new whole_file_view_.
7661         (File_read::open): Mmap the whole file if needed.
7662         (File_read::open): Use whole_file_view_ instead of contents_.
7663         (File_read::find_view): Use whole_file_view_ if applicable.
7664         (File_read::do_read): Use whole_file_view_ instead of contents_.
7665         (File_read::make_view): Use whole_file_view_ instead of contents_,
7666         update File_read::View::View call.
7667         (File_read::find_or_make_view): Update File_read::View::View
7668         call.
7669         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7670         remove contents_
7671         (File_read::View::Data_ownership): New enum.
7672         (File_read::View::View): Replace bool mapped_ with Data_ownership
7673         argument.
7674         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7675         (File_read::View::data_ownership_): New field.
7676         (File_read::contents_): Remove (replaced by whole_file_view_).
7677         (File_read::whole_file_view_): New field.
7678         * options.h (class General_options): Add --keep-files-mapped.
7679
7680 2009-10-27  Cary Coutant  <ccoutant@google.com>
7681
7682         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7683         * testsuite/Makefile.am (plugin_test_5): New test case.
7684         * testsuite/Makefile.in: Regenerate.
7685
7686 2009-10-25  Doug Kwan  <dougkwan@google.com>
7687
7688         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7689         from private to protected to allow access by child class.
7690         (Sized_relobj::do_relocate_sections): New method declaration.
7691         (Sized_relobj::relocate_sections): Virtualize.
7692         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7693         Sized_relobj::relocate_sections.  Instantiate template explicitly
7694         for different target sizes and endianity.
7695
7696 2009-10-24  Doug Kwan  <dougkwan@google.com>
7697
7698         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7699         (Arm_input_section::as_arm_input_section): New method.
7700         (Arm_output_section): New class definition.
7701         (Arm_output_section::create_stub_group,
7702         Arm_output_section::group_sections): New method definitions.
7703
7704 2009-10-22  Doug Kwan  <dougkwan@google.com>
7705
7706         * arm.cc (Arm_input_section): New class definition.
7707         (Arm_input_section::init, Arm_input_section:do_write,
7708         Arm_input_section::set_final_data_size,
7709         Arm_input_section::do_reset_address_and_file_offset): New method
7710         definitions.
7711
7712 2009-10-21  Doug Kwan  <dougkwan@google.com>
7713
7714         * arm.cc (Stub_table, Arm_input_section): New forward class
7715         declarations.
7716         (Stub_table): New class defintion.
7717         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7718         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7719         New method definition.
7720
7721 2009-10-21  Doug Kwan  <dougkwan@google.com>
7722
7723         * arm.cc: Update copyright comments.
7724         (Target_arm): New forward class template declaration.
7725         (Arm_address): New type.
7726         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7727         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7728         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7729         constants.
7730         (Insn_template): Same.
7731         (DEF_STUBS): New macro.
7732         (Stub_type): New enum type.
7733         (Stub_template): New class definition.
7734         (Stub): Same.
7735         (Reloc_stub): Same.
7736         (Stub_factory): Same.
7737         (Target_arm::Target_arm): Initialize may_use_blx_ and
7738         should_force_pic_veneer_.
7739         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7740         Target_arm::should_force_pic_veneer,
7741         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7742         Target_arm::using_thumb_only, Target_arm:;default_target): New
7743         method defintions.
7744         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7745         New data member declarations.
7746         (Insn_template::size, Insn_template::alignment): New method defintions.
7747         (Stub_template::Stub_template): New method definition.
7748         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7749         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7750         (Stub_factory::Stub_factory): New method definition.
7751         * gold.h (string_hash): New template.
7752         * output.h (Input_section_specifier::hash_value): Use
7753         gold::string_hash.
7754         (Input_section_specifier::string_hash): Remove.
7755         * stringpool.cc (Stringpool_template::string_hash): Use
7756         gold::string_hash.
7757
7758 2009-10-20  Doug Kwan  <dougkwan@google.com>
7759
7760         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7761         symbols of relaxed input sections.
7762         * output.h (Output_section::find_relaxed_input_section): Make
7763         method public.
7764
7765 2009-10-16  Doug Kwan  <dougkwan@google.com>
7766
7767         * dynobj.cc (Versions::Versions): Initialize version_script_.
7768         Only insert base version symbol definition for a shared object
7769         if version script defines any version versions.
7770         (Versions::define_base_version): New method definition.
7771         (Versions::add_def): Check that base version is not needed.
7772         (Versions::add_need): Define base version lazily.
7773         * dynobj.h (Versions::define_base_version): New method declaration.
7774         (Versions::needs_base_version_): New data member declaration.
7775         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7776         (check_DATA): Add no_version_test.stdout.
7777         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7778         New make rules.
7779         * testsuite/Makefile.in: Regenerate.
7780         * testsuite/no_version_test.c: New file.
7781         * testsuite/no_version_test.sh: Ditto.
7782
7783 2009-10-16  Doug Kwan  <dougkwan@google.com>
7784
7785         * expression.cc (class Segment_start_expression): New class definition.
7786         (Segment_start_expression::value): New method definition.
7787         (script_exp_function_segment_start): Return a new
7788         Segment_start_expression.
7789         * gold/script-c.h (script_saw_segment_start_expression): New function
7790         prototype.
7791         * script-sections.cc (Script_sections::Script_sections): Initialize
7792         SAW_SEGMENT_START_EXPRESSION_ to false.
7793         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7794         and -Tbbs options to specify section addresses if given in
7795         command line and no SEGMENT_START expression is seen in a script.
7796         * script-sections.h (Script_sections::saw_segment_start_expression,
7797         Script_sections::set_saw_segment_start_expression): New method
7798         definition.
7799         (Script_sections::saw_segment_start_expression_): New data member
7800         declaration.
7801         * script.cc (script_saw_segment_start_expression): New function.
7802         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7803         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7804         script_test_7.sh and script_test_8.sh.
7805         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7806         script_test_8.stdout.
7807         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7808         (script_test_6, script_test_6.stdout, script_test_7,
7809         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7810         * Makefile.in: Regenerate.
7811         * testsuite/script_test_6.sh: New file.
7812         * testsuite/script_test_6.t: Same.
7813         * testsuite/script_test_7.sh: Same.
7814         * testsuite/script_test_7.t: Same.
7815         * testsuite/script_test_8.sh: Same.
7816
7817 2009-10-16  Doug Kwan  <dougkwan@google.com>
7818
7819         * output.cc (Output_segment::set_section_list_address): Cast
7820         expressions to unsigned long long type to avoid format warnings.
7821
7822 2009-10-15  Ian Lance Taylor  <iant@google.com>
7823
7824         * script.cc (Script_options::add_symbol_assignment): Always add a
7825         dot assignment to script_sections_.
7826         * script-sections.cc (Script_sections::add_dot_assignment):
7827         Initialize if necessary.
7828
7829         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7830         program headers with no load segment if there is a linker script.
7831
7832         * layout.cc (Layout::set_segment_offsets): Align the file offset
7833         to the segment aligment for -N or -n with no load segment.
7834         * output.cc (Output_segment::add_output_section): Don't crash if
7835         the first section is a TLS section.
7836         (Output_segment::set_section_list_addresses): Print an error
7837         message if the address moves backward in a linker script.
7838         * script-sections.cc
7839         (Output_section_element_input::set_section_addresses): Don't
7840         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7841         (Orphan_output_section::set_section_addresses): Likewise.
7842
7843 2009-10-15  Doug Kwan  <dougkwan@google.com>
7844
7845         * layout.cc (Layout::finish_dynamic_section): Generate tags
7846         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7847         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7848         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7849
7850 2009-10-14  Ian Lance Taylor  <iant@google.com>
7851
7852         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7853         fields.
7854         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7855         data_shdr fields of relinfo.
7856         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7857         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7858         R_386_TLS_LDO_32, adjust based on section flags.
7859         (Target_i386::Relocate::fix_up_ldo): Remove.
7860
7861 2009-10-13  Ian Lance Taylor  <iant@google.com>
7862
7863         Add support for -pie.
7864         * options.h (class General_options): Add -pie and
7865         --pic-executable.
7866         (General_options::output_is_position_independent): Test -pie.
7867         (General_options::output_is_executable): Return true if not shared
7868         and not relocatable.
7869         (General_options::output_is_pie): Remove.
7870         * options.cc (General_options::finalize): Reject incompatible uses
7871         of -pie.
7872         * gold.cc (queue_middle_tasks): A -pie link is not static.
7873         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7874         * symtab.cc (Symbol::final_value_is_known): Return false if
7875         output_is_position_independent.
7876         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7877         output_is_position_independent.
7878         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7879         output_is_position_independent.
7880         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7881         output_is_position_independent.
7882         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7883         two_file_pie_test.
7884         (basic_pie_test.o, basic_pie_test): New targets.
7885         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7886         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7887         (two_file_pie_test): New target.
7888         * testsuite/Makefile.in: Rebuild.
7889         * README: Remove note saying that -pie is not supported.
7890
7891 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7892
7893         * options.h (class General_options): Add -init and -fini.
7894         * layout.cc (Layout::finish_dynamic_section): Emit
7895         given init and fini functions.
7896
7897 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7898
7899         * gc.h (gc_process_relocs): Check if icf is enabled using new
7900         function.
7901         * gold.cc (queue_initial_tasks): Likewise.
7902         (queue_middle_tasks): Likewise.
7903         * object.cc (do_layout): Likewise.
7904         * symtab.cc (is_section_folded): Likewise.
7905         * main.cc (main): Likewise.
7906         * reloc.cc (Read_relocs::run): Likewise.
7907         (Sized_relobj::do_scan_relocs): Likewise.
7908         * icf.cc (is_function_ctor_or_dtor): New function.
7909         (Icf::find_identical_sections): Check if function is ctor or dtor when
7910         safe icf is chosen.
7911         * options.h (General_options::icf): Change option to be an enum.
7912         (Icf_status): New enum.
7913         (icf_enabled): New method.
7914         (icf_safe_folding): New method.
7915         (set_icf_status): New method.
7916         (icf_status_): New variable.
7917         * (options.cc) (General_options::finalize): Set icf_status_.
7918         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7919         icf_test and icf_keep_unique_test to use the --icf enum flag.
7920         * testsuite/icf_safe_test.sh: New file.
7921         * testsuite/icf_safe_test.cc: New file.
7922
7923 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7924
7925         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7926         includes to gc.h and icf.h.
7927         * arm.cc: Include gc.h.
7928         * gold.cc: Likewise.
7929         * i386.cc: Likewise.
7930         * powerpc.cc: Likewise.
7931         * sparc.cc: Likewise.
7932         * x86_64.cc: Likewise.
7933         * gc.h: Include icf.h.
7934
7935 2009-10-11  Ian Lance Taylor  <iant@google.com>
7936
7937         * plugin.cc: Include "gold.h" before other header files.
7938
7939 2009-10-10  Chris Demetriou  <cgd@google.com>
7940
7941         * options.h (Input_file_argument::Input_file_type): New enum.
7942         (Input_file_argument::is_lib_): Replace with...
7943         (Input_file_argument::type_): New member.
7944         (Input_file_argument::Input_file_argument): Take Input_file_type
7945         'type' rather than boolean 'is_lib' as second argument.
7946         (Input_file_argument::is_lib): Use type_.
7947         (Input_file_argument::is_searched_file): New function.
7948         (Input_file_argument::may_need_search): Handle is_searched_file.
7949         * options.cc (General_options::parse_library): Support -l:filename.
7950         (General_options::parse_just_symbols): Update for Input_file_argument
7951         changes.
7952         (Command_line::process): Likewise.
7953         * archive.cc (Archive::get_file_and_offset): Likewise.
7954         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7955         * script.cc (read_script_file, script_add_file): Likewise.
7956         * fileread.cc (Input_file::Input_file): Likewise.
7957         (Input_file::will_search_for): Handle is_searched_file.
7958         (Input_file::open): Likewise.
7959         * readsyms.cc (Read_symbols::get_name): Likewise.
7960         * testsuite/Makefile.am (searched_file_test): New test.
7961         * testsuite/Makefile.in: Regenerate.
7962         * testsuite/searched_file_test.cc: New file.
7963         * testsuite/searched_file_test_lib.cc: New file.
7964
7965 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7966             Ian Lance Taylor  <iant@google.com>
7967
7968         * descriptor.cc: Include <cstdio> and "binary-io.h".
7969         (Descriptors::open): Open the files in binary mode always.
7970         * script.cc (Lex::get_token): Treat \r as whitespace.
7971
7972 2009-10-09  Ian Lance Taylor  <iant@google.com>
7973
7974         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7975
7976 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7977             Ian Lance Taylor  <iant@google.com>
7978
7979         * configure.ac: Check for readv function also.
7980         * fileread.cc (readv): Define if not HAVE_READV.
7981         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7982         does not exist.
7983         * config.in: Regenerate.
7984         * configure: Regenerate.
7985
7986 2009-10-09  Doug Kwan  <dougkwan@google.com>
7987
7988         * layout.cc (Layout::make_output_section): Call target hook to make
7989         ordinary output section.
7990         (Layout::finalize): Adjust parameter list of call the
7991         Target::may_relax().
7992         * layout.h (class Layout::section_list): New method.
7993         * merge.h (Output_merge_base::entsize): Change visibility to public.
7994         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7995         New methods.
7996         (Output_merge_string::do_is_string): New method.
7997         * object.cc (Sized_relobj::do_setup): renamed from
7998         Sized_relobj::set_up.
7999         * object.h (Sized_relobj::adjust_shndx,
8000         Sized_relobj::initializ_input_to_output_maps,
8001         Sized_relobj::free_input_to_output_maps): Change visibilities to
8002         protected.
8003         (Sized_relobj::setup): Virtualize.
8004         (Sized_relobj::do_setup): New method declaration.
8005         (Sized_relobj::invalidate_section_offset,
8006         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8007         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8008         * options.cc (parse_int): New function.
8009         * options.h (parse_int): New declaration.
8010         (DEFINE_int): New macro.
8011         (stub_group_size): New option.
8012         * output.cc (Output_section::Output_section): Initialize memebers
8013         merge_section_map_, merge_section_by_properties_map_,
8014         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8015         (Output_section::add_input_section): Handled deferred code-fill
8016         generation and remove an old comment.
8017         (Output_section::add_relaxed_input_section): New method definition.
8018         (Output_section::add_merge_input_section): Use merge section by
8019         properties map to speed to search.  Update merge section maps
8020         as appropriate.
8021         (Output_section::build_relaxation_map): New method definition.
8022         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8023         Same.
8024         (Output_section::relax_input_section): Renamed to
8025         Output_section::convert_input_sections_to_relaxed_sections and change
8026         interface to take a vector of pointers to relaxed sections.
8027         (Output_section::find_merge_section,
8028         Output_section::find_relaxed_input_section): New method definitions.
8029         (Output_section::is_input_address_mapped,
8030         Output_section::output_offset, Output_section::output_address):
8031         Use output section data maps to speed up searching.
8032         (Output_section::find_starting_output_address): Add comments.
8033         (Output_section::do_write,
8034         Output_section::write_to_postprocessing_buffer): Do code-fill
8035         generation as appropriate.
8036         (Output_section::get_input_sections): Invalidate relaxed input section
8037         map.
8038         (Output_section::restore_states): Adjust type of checkpoint .
8039         Invalidate relaxed input section map.
8040         * output.h (Output_merge_base): New class declaration.
8041         (Input_section_specifier): New class defintion.
8042         (class Output_relaxed_input_section) Change base class to
8043         Output_section_data_build.
8044         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8045         base class initializer.
8046         (Output_section::add_relaxed_input_section): New method declaration.
8047         (Output_section::Input_section): Change visibility to protected.
8048         (Output_section::Input_section::relobj,
8049         Output_section::Input_section::shndx): Handle relaxed input sections.
8050         Output_section::input_sections) Change visibility to protected.  Also
8051         define overload to return a non-const pointer.
8052         (Output_section::Merge_section_properties): New class defintion.
8053         (Output_section::Merge_section_by_properties_map,
8054         Output_section::Output_section_data_by_input_section_map,
8055         Output_section::Relaxation_map): New types.
8056         (Output_section::relax_input_section): Rename method to
8057         Output_section::convert_input_sections_to_relaxed_sections and change
8058         interface to take a vector of relaxed section pointers.
8059         (Output_section::find_merge_section,
8060         Output_section::find_relaxed_input_section,
8061         Output_section::build_relaxation_map,
8062         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8063         New method declarations.
8064         (Output_section::merge_section_map_
8065         Output_section::merge_section_by_properties_map_,
8066         Output_section::relaxed_input_section_map_,
8067         Output_section::is_relaxed_input_section_map_valid_,
8068         Output_section::generate_code_fills_at_write_): New data members.
8069         * script-sections.cc
8070         (Output_section_element_input::set_section_addresses): Call
8071         current_data_size and addralign methods of relaxed input sections.
8072         (Orphan_output_section::set_section_addresses): Call current_data_size
8073         and addralign methods of relaxed input sections.
8074         * symtab.cc (Symbol_table::compute_final_value): Extract template
8075         from the body of Symbol_table::sized_finalize_symbol.
8076         (Symbol_table::sized_finalized_symbol): Call
8077         Symbol_table::compute_final_value.
8078         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8079         (Symbol_table::compute_final_value): New templated method declaration.
8080         * target.cc (Target::do_make_output_section): New method defintion.
8081         * target.h (Target::make_output_section): New method declaration.
8082         (Target::relax): Add more parameters for input objects, symbol table
8083         and layout.  Adjust call to do_relax.
8084         (Target::do_make_output_section): New method declaration.
8085         (Target::do_relax): Add parameters for input objects, symbol table
8086         and layout.
8087
8088 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8089
8090         * pread.c: Include stdio.h.
8091
8092 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8093
8094         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8095         defined.
8096
8097 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8098
8099         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8100         Change read_shndx type to unsigned int.
8101         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8102         int.
8103         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8104         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8105         Change read_shndx type to unsigned int.
8106         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8107         int.
8108         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8109         * layout.cc (Layout::create_symtab_sections): Cast the result of
8110         local_symcount * symsize to off_t in the gold_assert.
8111
8112 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8113
8114         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8115         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8116         R_ARM_BASE_ABS.
8117         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8118         (Arm_relocate_functions::thm_abs5): New function.
8119         (Arm_relocate_functions::abs12): New function.
8120         (Arm_relocate_functions::abs16): New function.
8121         (Arm_relocate_functions::base_abs): New function.
8122         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8123         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8124         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8125         R_ARM_BASE_ABS.
8126         (Scan::global): Likewise.
8127         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8128         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8129         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8130         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8131         R_ARM_BASE_ABS.
8132
8133 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8134
8135         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8136         (Arm_relocate_functions::movt_prel): New function.
8137         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8138         (Arm_relocate_functions::thm_movt_prel): New function.
8139         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8140         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8141         (Scan::global, Relocate::relocate): Likewise.
8142         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8143
8144 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8145
8146         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8147         Incremental_checker.
8148         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8149         unsigned int.
8150         (class Incremental_inputs_header): New class.
8151         (Incremental_inputs_header_writer): Edit comment.
8152         (Incremental_inputs_entry): New class.
8153         (Incremental_inputs_entry_writer): Edit comment.
8154         (Sized_incremental_binary::do_find_incremental_inputs_section):
8155         Add *strtab_shndx parameter, fill it.
8156         (Sized_incremental_binary::do_check_inputs): New method.
8157         (Incremental_checker::can_incrementally_link_output_file): Use
8158         Sized_incremental_binary::check_inputs.
8159         (Incremental_inputs::report_command_line): Save command line in
8160         command_line_.
8161         * incremental.h:
8162         (Incremental_binary::find_incremental_inputs_section): New
8163         method.
8164         (Incremental_binary::do_find_incremental_inputs_section): Add
8165         strtab_shndx parameter.
8166         (Incremental_binary::do_check_inputs): New pure virtual method.
8167         (Sized_incremental_binary::do_check_inputs): Declare.
8168         (Incremental_checker::Incremental_checker): Add incremental_inputs
8169         parameter, use it to initialize incremental_inputs_.
8170         (Incremental_checker::incremental_inputs_): New field.
8171         (Incremental_checker::command_line): New method.
8172         (Incremental_checker::inputs): New method.
8173         (Incremental_checker::command_line_): New field.
8174
8175 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8176
8177         * incremental.cc: Include <cstdarg> and "target-select.h".
8178         (vexplain_no_incremental): New function.
8179         (explain_no_incremental): New function.
8180         (Incremental_binary::error): New method.
8181         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8182         method.
8183         (make_sized_incremental_binary): New function.
8184         (open_incremental_binary): New function.
8185         (can_incrementally_link_file): Add checks if output is ELF and has
8186         inputs section.
8187         * incremental.h: Include "elfcpp_file.h" and "output.h".
8188         (Incremental_binary): New class.
8189         (Sized_incremental_binary): New class.
8190         (open_incremental_binary): Declare.
8191         * object.cc (is_elf_object): Use
8192         elfcpp::Elf_recognizer::is_elf_file.
8193         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8194         * output.h (Output_file::filesize): New method.
8195
8196 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8197
8198         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8199         New function.
8200         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8201         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8202         function.
8203         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8204         function.
8205         (Arm_relocate_functions::movw_abs_nc): New function.
8206         (Arm_relocate_functions::movt_abs): New function.
8207         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8208         (Arm_relocate_functions::thm_movt_abs): New function.
8209         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8210         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8211         (Scan::global): Likewise.
8212         (Relocate::relocate): Likewise.
8213         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8214
8215 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8216
8217         * arm.cc (Arm_relocate_functions::got_prel) New function.
8218         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8219         (Relocate::relocate): Likewise.
8220         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8221
8222 2009-10-06  Ian Lance Taylor  <iant@google.com>
8223
8224         * options.h (class General_options): Define
8225         split_stack_adjust_size parameter.
8226         * object.h (class Object): Add uses_split_stack_ and
8227         has_no_split_stack_ fields.  Add uses_split_stack and
8228         has_no_split_stack accessor functions.  Declare
8229         handle_split_stack_section.
8230         (class Reloc_symbol_changes): Define.
8231         (class Sized_relobj): Define Function_offsets.  Declare
8232         split_stack_adjust, split_stack_adjust_reltype, and
8233         find_functions.
8234         * object.cc (Object::handle_split_stack_section): New function.
8235         (Sized_relobj::do_layout): Call handle_split_stack_section.
8236         * dynobj.cc (Sized_dynobj::do_layout): Call
8237         handle_split_stack_section.
8238         * reloc.cc (Sized_relobj::relocate_sections): Call
8239         split_stack_adjust for executable sections in split_stack
8240         objects.  Pass reloc_map to relocate_section.
8241         (Sized_relobj::split_stack_adjust): New function.
8242         (Sized_relobj::split_stack_adjust_reltype): New function.
8243         (Sized_relobj::find_functions): New function.
8244         * target-reloc.h: Include "object.h".
8245         (relocate_section): Add reloc_symbol_changes parameter.  Change
8246         all callers.
8247         * target.h (class Target): Add calls_non_split method.  Declare
8248         do_calls_non_split virtual method.  Declare match_view and
8249         set_view_to_nop.
8250         * target.cc: Include "elfcpp.h".
8251         (Target::do_calls_non_split): New function.
8252         (Target::match_view): New function.
8253         (Target::set_view_to_nop): New function.
8254         * gold.cc (queue_middle_tasks): Give an error if mixing
8255         split-stack and non-split-stack objects with -r.
8256         * i386.cc (Target_i386::relocate_section): Add
8257         reloc_symbol_changes parameter.
8258         (Target_i386::do_calls_non_split): New function.
8259         * x86_64.cc (Target_x86_64::relocate_section): Add
8260         reloc_symbol_changes parameter.
8261         (Target_x86_64::do_calls_non_split): New function.
8262         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8263         parameter.
8264         * powerpc.cc (Target_powerpc::relocate_section): Add
8265         reloc_symbol_changes parameter.
8266         * sparc.cc (Target_sparc::relocate_section): Add
8267         reloc_symbol_changes parameter.
8268         * configure.ac: Call AM_CONDITIONAL for the default target.
8269         * configure: Rebuild.
8270         * testsuite/Makefile.am (TEST_AS): New variable.
8271         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8272         (check_DATA): Add split_i386 and split_x86_64 files.
8273         (SPLIT_DEFSYMS): Define.
8274         (split_i386_[1234n].o): New targets.
8275         (split_i386_[124]): New targets.
8276         (split_i386_[1234r].stdout): New targets.
8277         (split_x86_64_[1234n].o): New targets.
8278         (split_x86_64_[124]): New targets.
8279         (split_x86_64_[1234r].stdout): New targets.
8280         (MOSTLYCLEANFILES): Add new executables.
8281         * testsuite/split_i386.sh: New file.
8282         * testsuite/split_x86_64.sh: New file.
8283         * testsuite/split_i386_1.s: New file.
8284         * testsuite/split_i386_2.s: New file.
8285         * testsuite/split_i386_3.s: New file.
8286         * testsuite/split_i386_4.s: New file.
8287         * testsuite/split_i386_n.s: New file.
8288         * testsuite/split_x86_64_1.s: New file.
8289         * testsuite/split_x86_64_2.s: New file.
8290         * testsuite/split_x86_64_3.s: New file.
8291         * testsuite/split_x86_64_4.s: New file.
8292         * testsuite/split_x86_64_n.s: New file.
8293         * testsuite/testfile.cc (Target_test): Update relocation_section
8294         function.
8295         * testsuite/Makefile.in: Rebuild.
8296
8297 2009-10-06  Ian Lance Taylor  <iant@google.com>
8298
8299         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8300         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8301         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8302         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8303         the address on ldo_addrs_.
8304         (Target_i386::Relocate::fix_up_ldo): New function.
8305
8306 2009-10-06   Rafael Espindola  <espindola@google.com>
8307
8308         * plugin.cc (add_input_library): New.
8309         (Plugin::load): Add add_input_library to tv.
8310         (Plugin_manager::add_input_file): Add the is_lib argument.
8311         (add_input_file): Update call to Plugin_manager::add_input_file.
8312         (add_input_library): New.
8313         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8314
8315 2009-09-30  Doug Kwan  <dougkwan@google.com>
8316
8317         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8318         symbol and call Symbol::may_need_copy_reloc to determine if
8319         a copy reloc is needed.
8320         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8321         nocopyreloc is given in command line.
8322         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8323         given in command line.
8324         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8325         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8326         of the removed Target_i386::may_need_copy_reloc.
8327         * options.h (copyreloc): New option with default value false.
8328         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8329         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8330         instead of the removed Target_powerpc::may_need_copy_reloc.
8331         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8332         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8333         instead of the removed Target_sparc::may_need_copy_reloc.
8334         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8335         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8336         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8337         instead of the removed Target_x86_64::may_need_copy_reloc.
8338
8339 2009-09-30  Ian Lance Taylor  <iant@google.com>
8340
8341         * object.h (class Object): Remove target_ field, and target,
8342         sized_target, and set_target methods.
8343         (Object::sized_target): Remove.
8344         (class Sized_relobj): Update declarations.  Remove sized_target.
8345         * object.cc (Sized_relobj::setup): Remove target parameter.
8346         Change all callers.
8347         (Input_objects::add_object): Don't do anything with the target.
8348         (make_elf_sized_object): Add punconfigured parameter.  Change all
8349         callers.  Set or test parameter target.
8350         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8351         Change all callers.
8352         * parameters.cc (Parameters::set_target): Change parameter type to
8353         be non-const.
8354         (Parameters::default_target): Remove.
8355         (set_parameters_target): Change parameter type to be non-const.
8356         (parameters_force_valid_target): New function.
8357         (parameters_clear_target): New function.
8358         * parameters.h (class Parameters): Update declarations.  Remove
8359         default_target method.  Add sized_target and clear_target
8360         methods.  Change target_ to be non-const.
8361         (set_parameters_target): Update declaration.
8362         (parameters_force_valid_target): Declare.
8363         (parameters_clear_target): Declare.
8364         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8365         as NULL if we aren't searching.
8366         (Add_symbols::run): Don't check for compatible target.
8367         * fileread.cc (Input_file::open_binary): Call
8368         parameters_force_valid_target.
8369         * gold.cc (queue_middle_tasks): Likewise.
8370         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8371         set_target on object.
8372         * dynobj.h (class Sized_dynobj): Update declarations.
8373         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8374         make_elf_object returns NULL.
8375         (Archive::include_member): Don't check whether object target is
8376         compatible.
8377         * output.cc (Output_section::add_input_section): Get target from
8378         parameters.
8379         (Output_section::relax_input_section): Likewise.
8380         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8381         parameters.
8382         (Sized_relobj::do_scan_relocs): Likewise.
8383         (Sized_relobj::relocate_sections): Likewise.
8384         * resolve.cc (Symbol_table::resolve): Likewise.
8385         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8386         parameter.  Change all callers.
8387         (Symbol_table::add_from_object): Get target from parameters.
8388         (Symbol_table::add_from_relobj): Don't check object target.
8389         (Symbol_table::add_from_dynobj): Likewise.
8390         (Symbol_table::define_special_symbol): Get target from
8391         parameters.
8392         * symtab.h (class Symbol_table): Update declaration.
8393         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8394         parameter.  Change all callers.  Clear parameter target.
8395         (Binary_test): Test target here.
8396         * testsuite/object_unittest.cc (gold_testsuite): Remove
8397         target_test_pointer parameter.  Change all callers.
8398         (Object_test): Test target here.
8399
8400 2009-09-26  Ian Lance Taylor  <iant@google.com>
8401
8402         * testsuite/initpri1.c: Don't try to use constructor priorities if
8403         compiling with gcc before 4.3.
8404
8405 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8406
8407         * testsuite/retain_symbols_file_test.sh (check_present): Change
8408         output file name to retain_symbols_file_test.stdout.
8409         (check_absent): Likewise.
8410
8411 2009-09-18  Craig Silverstein  <csilvers@google.com>
8412
8413         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8414         * options.cc: Include <cerrno> and <fstream>.
8415         (General_options::finalize): Parse -retain-symbols-file tag.
8416         * options.h: New flag.
8417         (General_options): New method should_retain_symbol, new
8418         variable symbols_to_retain.
8419         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8420         should_retain_symbol map.
8421         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8422         * testsuite/Makefile.in: Regenerate.
8423         * testsuite/retain_symbols_file_test.sh: New file.
8424
8425 2009-09-18  Nick Clifton  <nickc@redhat.com>
8426
8427         * po/es.po: Updated Spanish translation.
8428
8429 2009-09-17  Doug Kwan  <dougkwan@google.com>
8430
8431         * debug.h (DEBUG_RELAXATION): New constant.
8432         (DEBUG_ALL): Add DEBUG_RELAXATION.
8433         (debug_string_to_enum): Add relaxation debug option.
8434         * layout.cc
8435         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8436         Layout::Relaxation_debug_check::read_sections,
8437         Layout::Relaxation_debug_check::read_sections): New method definitions.
8438         (Layout::Layout): Initialize data members
8439         record_output_section_data_from_scrips_,
8440         script_output_section_data_list_ and relaxation_debug_check_.
8441         (Layout::save_segments, Layout::restore_segments,
8442         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8443         Layout::relaxation_loop_body): New method definitions.
8444         (Layout::finalize): Support relaxation.  Move section layout code to
8445         Layout::relaxation_loop_body.
8446         (Layout::set_asection_address_from_script): Move code for orphan
8447         section placement out.
8448         (Layout::place_orphan_sections_in_script): New method definition.
8449         * layout.h (Output_segment_headers, Output_file_header):
8450         New forward class declarations.
8451         (Layout::~Layout): Define.
8452         (Layout::new_output_section_data_from_script): New method definition.
8453         (Layout::place_orphan_sections_in_script): New method declaration.
8454         (Layout::Segment_states): New type declaration.
8455         (Layout::save_segments, Layout::restore_segments,
8456         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8457         Layout::relaxation_loop_body): New method declarations.
8458         (Layout::Output_section_data_list): New type declaration.
8459         (Layout::Relaxation_debug_check): New class definition.
8460         (Layout::record_output_section_data_from_script_,
8461         Layout::script_output_section_data_list_, Layout::segment_states_,
8462         Layout::relaxation_debug_check_): New data members.
8463         * output.cc: (Output_section_headers::do_size): New method definition.
8464         (Output_section_headers::Output_section_headers): Move size
8465         computation to Output_section_headers::do_size.
8466         (Output_segment_headers::do_size): New method definition.
8467         (Output_file_header::Output_file_header): Move size computation to
8468         Output_file_header::do_size and call it.
8469         (Output_file_header::do_size): New method definition.
8470         (Output_data_group::Output_data_group): Adjust call to
8471         Output_section_data.
8472         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8473         (Output_symtab_xindex::do_write): Add array bound check.
8474         (Output_section::Input_section::print_to_mapfile): Handle
8475         RELAXED_INPUT_SECTION_CODE.
8476         (Output_section::Output_section): Initialize data member checkpoint_.
8477         (Output_section::~Output_section): Delete checkpoint object pointed
8478         by checkpoint_.
8479         (Output_section::add_input_section): Always add an Input_section if
8480         relaxing.
8481         (Output_section::add_merge_input_section): Add assert.
8482         (Output_section::relax_input_section): New method definition.
8483         (Output_section::set_final_data_size): Set load address to zero for
8484         an unallocated section.
8485         (Output_section::do_address_and_file_offset_have_reset_values):
8486         New method definition.
8487         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8488         Handle relaxed input section.
8489         (Output_section::sort_attached_input_sections): Checkpoint input
8490         section list lazily.
8491         (Output_section::get_input_sections): Change type of input_sections to
8492         list of Simple_input_section pointers.  Checkpoint input section list
8493         lazily.  Also handle relaxed input sections.
8494         (Output_section::add_input_section_for_script): Take a reference to
8495         a Simple_input_section object instead of Relobj pointer and section
8496         index as parameter.  Handle relaxed input sections.
8497         (Output_section::save_states, Output_section::restore_states): New
8498         method definitions.
8499         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8500         (Output_data::is_data_size_fixed): New method definition.
8501         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8502         if it is fixed.
8503         (Output_data::address_and_file_offset_have_reset_values): New method
8504         definition.
8505         (Output_data::do_address_and_file_offset_have_reset_values): New method
8506         definition.
8507         (Output_data::set_data_size): Check that data size is not fixed.
8508         (Output_data::fix_data_size): New method definition.
8509         (Output_data::is_data_size_fixed_): New data member.
8510         (Output_section_headers::set_final_data_size): New method definition.
8511         (Output_section_headers::do_size): New method declaration.
8512         (Output_segment_headers::set_final_data_size): New method definition.
8513         (Output_segment_headers::do_size): New method declaration.
8514         (Output_file_header::set_final_data_size)::New method definition.
8515         (Output_file_header::do_size)::New method declaration.
8516         (Output_section_data::Output_section_data): Add new parameter
8517         is_data_size_fixed and use it to fix data size.
8518         (Output_data_const::Output_data_const): Adjust call to base class
8519         constructor and fix data size.
8520         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8521         base class constructor and fix data size.
8522         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8523         base class constructor and fix data size.
8524         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8525         class constructor and fix data size.
8526         (Output_data_group::set_final_data_size): New method definition.
8527         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8528         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8529         class constructor and fix data size.
8530         (Output_relaxed_input_section): New class definition.
8531         (Output_section::Simple_input_section): New class definition.
8532         (Output_section::get_input_sections): Adjust parameter list.
8533         (Output_section::add_input_section_for_script): Same.
8534         (Output_section::save_states, Output_section::restore_states,
8535         Output_section::do_address_and_file_offset_have_reset_values,
8536         (Output_section::Input_section::Input_section): Handle
8537         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8538         Output_relaxed_input_section.
8539         (Output_section::Input_section::is_input_section,
8540         Output_section::Input_section::set_output_section): Handle relaxed
8541         input section.
8542         (Output_section::Input_section::is_relaxed_input_section,
8543         Output_section::Input_section::output_section_data,
8544         Output_section::Input_section::relaxed_input_section): New method
8545         definitions.
8546         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8547         value.
8548         (Output_section::Input_section::u1_): Update comments.
8549         (Output_section::Input_section::u2_): Add new union member poris.
8550         (Output_section::Checkpoint_output_section): New classs definition.
8551         (Output_section::relax_input_section): New method declaration.
8552         (Output_section::checkpoint_): New data member.
8553         (Output_segment): Update comments.
8554         (Output_segment::Output_segment): Un-privatize copy constructor.
8555         (Output_segment::operator=): Un-privatize.
8556         * script-sections.cc (Output_section_element::Input_section_list):
8557         Change element type to Output_section::Simple_input_section.
8558         (Output_section_element_dot_assignment::set_section_addresses):
8559         Register output section data for relaxation clean up.
8560         (Output_data_exression::Output_data_expression): Adjust call to base
8561         constructor to fix data size.
8562         (Output_section_element_data::set_section_addresses): Register
8563         Output_data_expression object for relaxation clean up.
8564         (struct Input_section_info): Replace Relobj pointer and section index
8565         pair with Output_section::Simple_input_section and Convert struct to a
8566         class.
8567         (Input_section_sorter::operator()): Adjust access to
8568         Input_section_info data member to use accessors.
8569         (Output_section_element_input::set_section_addresses): Use layout
8570         parameter.  Adjust code to use Output_section::Simple_input_section
8571         and Input_secction_info classes.  Register filler for relaxation
8572         clean up.
8573         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8574         and section index pair with Output_section::Simple_input_section
8575         class.  Adjust code accordingly.
8576         (Phdrs_element::release_segment): New method definition.
8577         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8578         segment list.
8579         (Script_sections::release_segments): New method definition.
8580         * gold/script-sections.h (Script_sections::release_segments): New
8581         method declaration.
8582         * gold/target.h (Target::may_relax, Target::relax,
8583         Target::do_may_relax, Target::do_relax): New method definitions.
8584
8585 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8586
8587         * arm.cc (has_signed_unsigned_overflow): New function.
8588         (Arm_relocate_functions::abs8): New function.
8589         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8590         (Target_arm::Scan::global): Likewise.
8591         (Target_arm::relocate::relocate): Likewise.
8592         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8593         Likewise.
8594
8595 2009-09-16  Cary Coutant  <ccoutant@google.com>
8596
8597         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8598         * testsuite/Makefile.in: Regenerate.
8599
8600 2009-09-11  Nick Clifton  <nickc@redhat.com>
8601
8602         * po/gold.pot: Updated by the Translation project.
8603
8604 2009-09-08  Cary Coutant  <ccoutant@google.com>
8605
8606         * output.cc (Output_file::open): Add execute permission to empty file.
8607         * testsuite/Makefile.am (permission_test): New test.
8608         * testsuite/Makefile.in: Regenerate.
8609
8610 2009-09-02  Ian Lance Taylor  <iant@google.com>
8611
8612         * output.cc (Output_file::resize): Call map_no_anonymous rather
8613         than map.
8614
8615 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8616
8617         * gold.cc: Include "incremental.h".
8618         (queue_initial_tasks): Call Incremental_checker methods.
8619         * incremental.cc: Include "output.h".
8620         (Incremental_checker::can_incrementally_link_output_file): New
8621         method.
8622         * incremental.h (Incremental_checker): New class.
8623
8624         * output.cc (Output_file::open_for_modification): New method.
8625         (Output_file::map_anonymous): Changed return type to bool.  Record
8626         map in base_ field.
8627         (Output_file::map_no_anonymous): New method, broken out of map.
8628         (Output_file::map): Use map_no_anonymous and map_anonymous.
8629         * output.h (class Output_file): Update declarations.
8630
8631 2009-08-24  Cary Coutant  <ccoutant@google.com>
8632
8633         * options.h (Command_line::Pre_options): New class.
8634         (Command_line::pre_options): New member.
8635         * options.cc (gold::options::ready_to_register): New variable.
8636         (One_option::register_option): Do nothing if not registering options.
8637         Assert if same short option registered twice.
8638         (General_options::General_options): Turn off option registration when
8639         done constructing.
8640         (Command_line::Pre_options::Pre_options): New constructor.
8641
8642 2009-08-24  Cary Coutant  <ccoutant@google.com>
8643
8644         * options.h (General_options::no_keep_memory): Remove incorrect
8645         short option.
8646
8647 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8648
8649         * Makefile.am (am__skiplex, am__skipyacc): New.
8650         * Makefile.in: Regenerate.
8651
8652 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8653
8654         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8655         (INCLUDES): ... this.
8656         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8657         (AM_CPPFLAGS): Renamed from ...
8658         (INCLUDE): ... this.
8659         * Makefile.in, testsuite/Makefile.in: Regenerate.
8660
8661         * Makefile.in: Regenerate.
8662         * aclocal.m4: Likewise.
8663         * config.in: Likewise.
8664         * configure: Likewise.
8665         * testsuite/Makefile.in: Likewise.
8666
8667         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8668         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8669         * Makefile.in: Regenerate.
8670         * testsuite/Makefile.in: Regenerate.
8671
8672 2009-08-19  Cary Coutant  <ccoutant@google.com>
8673
8674         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8675         symbols in shared libraries overridden by hidden or internal symbols
8676         in the main program.
8677
8678 2009-08-19  Chris Demetriou  <cgd@google.com>
8679
8680         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8681         checking source file names in error messages.
8682
8683 2009-08-18  Doug Kwan  <dougkwan@google.com>
8684
8685         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8686         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8687         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8688         an elfcpp::Ehdr as parameter.
8689         * object.cc (Object::set_target): Remove the version that looks up
8690         a target and sets it.
8691         (Sized_relobj::setup): Take a Target object instead of
8692         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8693         (make_elf_sized_object): Find target and ask target to
8694         make an ELF object.
8695         * object.h: (Object::set_target): Remove the version that looks up
8696         a target and sets it.
8697         (Sized_relobj::setup): Take a Target object instead of
8698         an elfcpp:Ehdr as parameter.
8699         * target.cc: Include dynobj.h.
8700         (Target::do_make_elf_object_implementation): New.
8701         (Target::do_make_elf_object): New.
8702         * target.h (Target::make_elf_object): New template declaration.
8703         (Target::do_make_elf_object): New method declarations.
8704         (Target::do_make_elf_object_implementation): New template declaration.
8705
8706 2009-08-14  Ian Lance Taylor  <iant@google.com>
8707
8708         * gold.h (FUNCTION_NAME): Define.
8709         (gold_unreachable): Use FUNCTION_NAME.
8710
8711 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8712
8713         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8714         symbol in the --keep-unique list is not found.
8715
8716 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8717
8718         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8719         been maked as --keep-unique.
8720         (Icf::unfold_section): New function.
8721         * icf.h (Icf::unfold_section): New function.
8722         * options.h (General_options::keep_unique): New option.
8723         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8724         * testsuite/Makefile.in: Regenerate.
8725         * testsuite/icf_keep_unique_test.sh: New file.
8726         * testsuite/icf_keep_unique_test.cc: New file.
8727
8728 2009-08-12  Cary Coutant  <ccoutant@google.com>
8729
8730         PR 10471
8731         * resolve.cc (Symbol_table::resolve): Check for references from
8732         dynamic objects to hidden and internal symbols.
8733         * testsuite/Makefile.am (hidden_test.sh): New test.
8734         * testsuite/Makefile.in: Regenerate.
8735         * testsuite/hidden_test.sh: New script.
8736         * testsuite/hidden_test_1.c: New test source.
8737         * testsuite/hidden_test_main.c: New test source.
8738
8739 2009-08-11  Doug Kwan  <dougkwan@google.com>
8740
8741         * arm.cc: Update comments.
8742         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8743         segment to locate the .ARM.exidx section if present.
8744
8745 2009-08-09  Doug Kwan  <dougkwan@google.com>
8746
8747         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8748         patch.
8749
8750 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8751         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8752         compiler warnings.
8753
8754 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8755
8756         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8757         valid tls_segment only for non-debug-section relocations.
8758         * testsuite/Makefile.am: Add gc_tls_test.
8759         * testsuite/Makefile.in: Regenerate.
8760         * testsuite/gc_tls_test.cc: New file.
8761         * testsuite/gc_tls_test.sh: New file.
8762
8763 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8764
8765         * icf.cc: New file.
8766         * icf.h: New file.
8767         * Makefile.am (CCFILES): Add icf.cc.
8768         (HFILES): Add icf.h
8769         * Makefile.in: Regenerate.
8770         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8771         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8772         section, symbol and addend information for the relocs.
8773         * gold.cc (queue_middle_tasks): Call identical code folding.
8774         * gold.h: Add defines for multimap.
8775         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8776         to the call of finalize_local_symbols.
8777         * main.cc (main): Create object of class Icf.
8778         * object.cc (Sized_relobj::do_layout): Allow this function to be
8779         called twice during icf.
8780         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8781         to sections marked as identical by icf.
8782         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8783         when available.
8784         (Sized_relobj::do_section_entsize): New function.
8785         * object.h (Object::section_entsize): New function.
8786         (Object::do_section_entsize): New pure virtual function.
8787         (Relobj::finalize_local_symbols): Add new parameter.
8788         (Relobj::do_section_entsize): New function.
8789         * options.h (General_options::icf): New option.
8790         (General_options::icf_iterations): New option.
8791         (General_options::print_icf_sections): New option.
8792         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8793         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8794         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8795         icf.
8796         * symtab.cc (Symbol_table::is_section_folded): New function.
8797         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8798         to sections marked as identical by icf.
8799         * symtab.h (Symbol_table::set_icf): New function.
8800         (Symbol_table::icf): New function.
8801         (Symbol_table::is_section_folded): New function.
8802         (Symbol_table::icf_): New data member.
8803         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8804         * testsuite/Makefile.am: Add commands to build icf_test.
8805         * testsuite/Makefile.in: Regenerate.
8806         * testsuite/icf_test.sh: New file.
8807         * testsuite/icf_test.cc: New file.
8808
8809 2009-07-24  Chris Demetriou  <cgd@google.com>
8810
8811         * layout.cc (is_compressible_debug_section): Fix incorrect
8812         comment about compressed section names.
8813
8814 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8815
8816         PR 10419
8817         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8818
8819 2009-07-16  Ian Lance Taylor  <iant@google.com>
8820
8821         PR 10400
8822         * layout.h: #include <map>.
8823         (class Kept_section): Change from struct to class.  Add accessors
8824         and setters.  Add section size to Comdat_group mapping.  Change
8825         Comdat_group to std::map.  Add is_comdat_ field.  Add
8826         linkonce_size field in union.
8827         (class Layout): Update declaration of find_or_add_kept_section.
8828         Don't declare find_kept_object.
8829         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8830         parameter.  Add object, shndx, is_comdat, and is_group_name
8831         parameters.  Change all callers.  Adjust for new Kept_section.
8832         (Layout::find_kept_object): Remove.
8833         * object.cc (Sized_relobj::include_section_group): Update use of
8834         Kept_section.  Rename secnum to shndx.  Only record
8835         Kept_comdat_section if sections are the same size.
8836         (Sized_relobj::include_linkonce_section): Update use of
8837         Kept_section.  Only record Kept_comdat_section if sections are the
8838         same size.  Set size of linkonce section.
8839         (Sized_relobj::map_to_kept_section): Update call to
8840         get_kept_comdat_section.
8841         * object.h (class Sized_relobj): Rename fields in
8842         Kept_comdat_section to drop trailing underscores; change object
8843         field to Relobj*.  Change Kept_comdat_section_table to store
8844         struct rather than pointer.
8845         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8846         Add kept_object and kept_shndx parameters.  Change all callers.
8847         (Sized_relobj::get_kept_comdat_section): Change return type to
8848         bool.  Add kept_object and kept_shndx parameters.  Change all
8849         callers.
8850         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8851         Layout::find_or_add_kept_section.
8852
8853 2009-07-09  Ian Lance Taylor  <iant@google.com>
8854
8855         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8856         Reserve space in the hash table.
8857
8858 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8859
8860         * fileread.cc (File_read::get_mtime): New method.
8861         * fileread.h (Timespec): New structure.
8862         (File_read::get_mtime): New method.
8863         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8864         Renamed from timestamp_nsec.
8865         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8866         Elf_Xword.
8867         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8868         timestamp_nsec.
8869         (Incremental_inputs::report_archive): Save mtime; style fix.
8870         (Incremental_inputs::report_obejct): Save mtime; style fix.
8871         (Incremental_inputs::report_script): Save mtime; style fix.
8872         (Incremental_inputs::finalize_inputs): Style fix.
8873         (Incremental_inputs::finalize): Style fix.
8874         (Incremental_inputs::create_input_section_data): Store inputs
8875         mtime.
8876         * incremental.h (Incremental_inputs::report_script): Add mtime
8877         argument.
8878         (Incremental_inputs::Input_info::Input_info): Intialize only one
8879         union member.
8880         (Incremental_inputs::Input_info::archive): Move to nameless
8881         union.
8882         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8883         (Incremental_inputs::Input_info::script): Move to nameless union.
8884         (Incremental_inputs::mtime): New field.
8885         * script.cc (read_input_script): Pass file mtime to
8886         Incremental_input.
8887         * script.h (Script_info::inputs): Style fix.
8888
8889 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8890
8891         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8892         instead of 32.
8893
8894 2009-06-24  Ian Lance Taylor  <iant@google.com>
8895
8896         PR 10156
8897         * layout.cc (Layout::choose_output_section): If we find an
8898         existing section, update the flags.
8899         (Layout::create_notes): New function, broken out of
8900         Layout::finalize.
8901         (Layout::finalize): Don't create note sections.
8902         (Layout::create_note): Don't crash if linker script discards
8903         section.
8904         (Layout::create_gold_note): Likewise.
8905         (Layout::create_build_id): Likewise.  Don't set
8906         after_input_sections on the section.
8907         (Layout::create_executable_stack_info): Remove target parameter.
8908         Change caller.
8909         * layout.h (class Layout): Declare create_notes.  Update
8910         declaration of create_executable_stack_info.
8911         * gold.cc (queue_middle_tasks): Call create_notes.
8912         * output.cc (Output_section::update_flags_for_input_section): Move
8913         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8914         invalid.
8915         * output.h (Output_data::mark_address_invalid): New function.
8916         (class Output_section): Only declare, not define,
8917         update_flags_for_input_section.  Remove set_flags.
8918
8919 2009-06-24  Ian Lance Taylor  <iant@google.com>
8920
8921         * script-sections.cc (Output_section_definition::
8922         set_section_addresses): Rename shadowing local load_address to
8923         laddr.
8924
8925 2009-06-24  Ian Lance Taylor  <iant@google.com>
8926
8927         PR 10244
8928         * reloc.cc (relocate_sections): Skip empty relocation sections.
8929
8930 2009-06-23  Ian Lance Taylor  <iant@google.com>
8931
8932         PR 10156
8933         * layout.cc (Layout::create_note): Use choose_output_section
8934         rather than make_output_section.
8935
8936 2009-06-23  Ian Lance Taylor  <iant@google.com>
8937
8938         PR 10237
8939         * options.cc (General_options::parse_V): Set printed_version_.
8940         (General_options::General_options): Initialize printed_version_.
8941         * options.h (class General_options): Add printed_version_ field.
8942         * gold.cc (queue_initial_tasks): If there are no input files,
8943         don't give a fatal error if we printed the version information.
8944         (queue_middle_tasks): If using -r with a shared object, give a
8945         fatal error rather than an ordinary error.
8946
8947 2009-06-23  Ian Lance Taylor  <iant@google.com>
8948
8949         PR 10219
8950         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8951         (Layout::make_output_section): Set have_stabstr_section_ if we see
8952         a .stab*str section.
8953         (Layout::finalize): Call link_stabs_sections.
8954         (Layout::link_stabs_sections): New file.
8955         * layout.h (class Layout): Add have_stabstr_section_ field.
8956         Declare link_stabs_sections.
8957
8958 2009-06-23  Doug Kwan  <dougkwan@google.com>
8959
8960         * Makefile.am (libgold_a_LIBADD): New.
8961         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8962         * Makefile.in: Regenerate.
8963         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8964         * configure: Regenerate.
8965         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8966         * fileread.cc: Include sys/state.h
8967         * gold.h: Declare memmem and strndup if found missing.
8968         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8969
8970 2009-06-23  Ian Lance Taylor  <iant@google.com>
8971
8972         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8973         * configure: Rebuild.
8974
8975 2009-06-23  Ian Lance Taylor  <iant@google.com>
8976
8977         PR 10147
8978         * object.cc (Object::section_contents): Don't try to get a view if
8979         the section has length zero.
8980         (Object::handle_gnu_warning_section): If the section is empty, use
8981         the name of the section as the warning.
8982
8983 2009-06-23  Ian Lance Taylor  <iant@google.com>
8984
8985         PR 10133
8986         * stringpool.h (class Stringpool_template): Add optimize_ field.
8987         (Stringpool_template::set_optimize): New function.
8988         * stringpool.cc (Stringpool_template::Stringpool_template):
8989         Initialize optimize_ field.
8990         (Stringpool_template::set_string_offsets): Test local optimize
8991         fild rather than parameter.
8992         * layout.cc (Layout::Layout): Call set_optimize on the section
8993         name stringpool.
8994
8995 2009-06-22  Ian Lance Taylor  <iant@google.com>
8996
8997         PR 10030
8998         * yyscript.y: Parse TARGET.
8999         * script.cc (script_set_target): New function.
9000         * script-c.h (script_set_target): Declare.
9001         * options.cc (General_options::string_to_object_format): Rename
9002         from string_to_object_format in anonymous namespace.  Change
9003         callers.
9004         * options.h (class General_options): Declare
9005         string_to_object_format.
9006
9007 2009-06-22  Ian Lance Taylor  <iant@google.com>
9008
9009         * script-sections.cc (Script_sections::create_segments): Don't put
9010         program headers in a PT_LOAD segment if -n or -N.
9011
9012 2009-06-22  Ian Lance Taylor  <iant@google.com>
9013
9014         PR 10141
9015         * options.h (class General_options): Add -z lazy and -z now.  Sort
9016         -z options into alphabetical order.
9017         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9018
9019 2009-06-21  Ian Lance Taylor  <iant@google.com>
9020
9021         * layout.cc (Layout::make_output_section): Call
9022         Target::new_output_section.
9023         (Layout::attach_allocated_section_to_segment): Put large section
9024         sections in a separate load segment with the large segment flag
9025         set.
9026         (Layout::segment_precedes): Sort large data segments after other
9027         load segments.
9028         (align_file_offset): New static function.
9029         (Layout::set_segment_offsets): Use align_file_offset.
9030         * output.h (class Output_section): Add is_small_section_ and
9031         is_large_section_ fields.
9032         (Output_section::is_small_section): New function.
9033         (Output_section::set_is_small_section):  New function.
9034         (Output_section::is_large_section): New function.
9035         (Output_section::set_is_large_section): New function.
9036         (Output_section::is_large_data_section): New function.
9037         (class Output_segment): Add is_large_data_segment_ field.
9038         (Output_segment::is_large_data_segment): New function.
9039         (Output_segment::set_is_large_data_segment): New function.
9040         * output.cc (Output_section::Output_section): Initialize new
9041         fields.
9042         (Output_segment::Output_segment): Likewise.
9043         (Output_segment::add_output_section): Add assertion that large
9044         data sections always go in large data segments.  Force small data
9045         sections to the end of the list of data sections.  Force small BSS
9046         sections to the start of the list of BSS sections.  For large BSS
9047         sections to the end of the list of BSS sections.
9048         * symtab.h (class Symbol): Declare is_common_shndx.
9049         (Symbol::is_defined): Check Symbol::is_common_shndx.
9050         (Symbol::is_common): Likewise.
9051         (class Symbol_table): Define enum Commons_section_type.  Update
9052         declarations.  Add small_commons_ and large_commons_ fields.
9053         * symtab.cc (Symbol::is_common_shndx): New function.
9054         (Symbol_table::Symbol_table): Initialize new fields.
9055         (Symbol_table::add_from_object): Put small and large common
9056         symbols in the right list.
9057         (Symbol_table::sized_finalized_symbol): Check
9058         Symbol::is_common_shndx.
9059         (Symbol_table::sized_write_globals): Likewise.
9060         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9061         common symbol lists.  Don't call do_allocate_commons_list if the
9062         list is empty.
9063         (Symbol_table::do_allocate_commons_list): Remove is_tls
9064         parameter.  Add comons_section_type parameter.  Change all
9065         callers.  Handle small and large common symbols.
9066         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9067         Symbol::is_common_shndx.
9068         * resolve.cc (symbol_to_bits): Likewise.
9069         * target.h (Target::small_common_shndx): New function.
9070         (Target::small_common_section_flags): New function.
9071         (Target::large_common_shndx): New function.
9072         (Target::large_common_section_flags): New function.
9073         (Target::new_output_section): New function.
9074         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9075         small_common_section_flags, and large_common_section_flags
9076         fields.
9077         (Target::do_new_output_section): New virtual function.
9078         * arm.cc (Target_arm::arm_info): Initialize new fields.
9079         * i386.cc (Target_i386::i386_info): Likewise.
9080         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9081         Likewise.
9082         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9083         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9084         (Target_x86_64::do_new_output_section): New function.
9085         * configure.ac: Define conditional MCMODEL_MEDIUM.
9086         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9087         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9088         (large_LDFLAGS): Define.
9089         * testsuite/large.c: New file.
9090         * testsuite/testfile.cc (Target_test::test_target_info):
9091         Initialize new fields.
9092         * configure, testsuite/Makefile.in: Rebuild.
9093
9094 2009-06-05  Doug Kwan  <dougkwan@google.com>
9095
9096         * Makefile.am (CCFILES): Add target.cc.
9097         * Makefile.in: Regenerate.
9098         * i386.cc (class Target_i386): Define new virtual method to
9099         override do_is_local_label_name in parent.
9100         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9101         local symbols if --discard-locals or -X is given.
9102         * options.h (class General_options): Declare new options
9103         '--discard-locals' and '-X' for discarding locals.
9104         * target.h (class Target): Define new methods is_local_label_name.
9105         Declare new virtual method do_is_local_label_name.
9106         * target.cc: New file.
9107         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9108         (check_SCRIPTS): Add discard_locals_test.sh.
9109         (check_DATA): Add discard_local_tests.syms.
9110         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9111         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9112         * testsuite/Makefile.in: Regenerate.
9113         * testsuite/discard_locals_test.c: New file.
9114         * testsuite/discard_locals_test.sh: Same.
9115
9116 2009-06-05  Doug Kwan  <dougkwan@google.com>
9117
9118         * object.cc (Sized_relobj::Sized_relobj): Initialize
9119         discarded_eh_frame_shndx_ to -1U.
9120         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9121         section.
9122         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9123         a discarded .eh_frame section.
9124         (Sized_relobj::do_finalize_local_symbols): Ditto.
9125         * object.h (class Sized_relobj): Declare new member
9126         discarded_eh_frame_shndx_.
9127         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9128         (local_labels_test.o, local_labels_test): New rules.
9129         * testsuite/Makefile.in: Regenerate.
9130
9131 2009-06-04  Doug Kwan  <dougkwan@google.com>
9132
9133         * layout.cc (Layout::section_name_mapping): Add mapping for
9134         special ARM sections.
9135
9136 2009-06-03  Doug Kwan  <dougkwan@google.com>
9137
9138         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9139         (utils::has_overflow): Same.
9140
9141 2009-06-03  Ian Lance Taylor  <iant@google.com>
9142
9143         * layout.cc (Layout::section_name_mapping): New array, replacing
9144         Layout::linkonce_mapping.
9145         (Layout::section_name_mapping_count): New variable, replacing
9146         Layout::linkonce_mapping_count.
9147         (Layout::linkonce_output_name): Remove.
9148         (Layout::output_section_name): Rewrite.
9149         * layout.h (class Layout): Rename Linkonce_mapping to
9150         Section_name_mapping, linkonce_mapping to section_name_mapping,
9151         linkonce_mapping_count to section_name_mapping_count.  Don't
9152         declare linkonce_output_name.
9153
9154 2009-06-03  Doug Kwan  <dougkwan@google.com>
9155
9156         * gold/arm.cc (namespace utils): New.
9157         (Target_arm::reloc_is_non_pic): Define new method.
9158         (class Arm_relocate_functions): New.
9159         (Target_arm::Relocate::relocate): Handle relocation types used by
9160         Android.
9161
9162 2009-06-03  Ian Lance Taylor  <iant@google.com>
9163
9164         * arm.cc (Target_arm::scan::global): Use || instead of |.
9165
9166 2009-06-02  Doug Kwan  <dougkwan@google.com>
9167
9168         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9169         issued_non_pic_error_.
9170         (class Target_arm::Scan): Declare new method check_non_pic.
9171         Define new method symbol_needs_plt_entry.
9172         Declare new data member issued_non_pic_error_.
9173         (class Target_arm::Relocate): Declare new method
9174         should_apply_static_reloc.
9175         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9176         (Target_arm::Scan::check_non_pic): Define new method.
9177         (Target_arm::Scan::local): Handle a small subset of reloc types used
9178         by Android.
9179         (Target_arm::Scan::local): Same.
9180         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9181
9182 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9183
9184         * incremental.cc (Incremental_inputs::report_command_line): Filter
9185         out --incremental-* options.
9186
9187 2009-05-29  Doug Kwan  <dougkwan@google.com>
9188
9189         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9190         template class.
9191         (class Target_arm): Update comment.
9192         (Target_arm::Target_arm): Initialize new data members GOT_,
9193         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9194         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9195         and Target_arm::rel_dyn_section.
9196         Declare new_enum Target_arm::Got_type.
9197         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9198         and DYNBSS_.
9199         Update commments for member do_dynsym_value.
9200         (Target_arm::got_size, Target_arm::plt_section,
9201         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9202         new methods inside class defintion.
9203         (Target_arm::got_section): Define new method.
9204         (Target_arm::rel_dyn_section): Same.
9205         (Output_data_plt_arm): New template class.
9206         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9207         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9208         (Output_data_plt_arm::add_entry): Same.
9209         (Output_data_plt_arm::first_plt_entry): Define new
9210         static data member for PLT instruction template.
9211         (Output_data_plt_arm::plt_entry): Same.
9212         (Output_data_plt_arm::do_write): Define new method.
9213         (Target_arm::make_plt_entry): Same.
9214         (Target_arm::do_finalize_sections): Same.
9215         (Target_arm::do_dynsym_value): Same.
9216
9217 2009-05-28  Doug Kwan  <dougkwan@google.com>
9218
9219         * Makefile.am (TARGETSOURCES): Add arm.cc.
9220         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9221         * Makefile.in: Regenerate.
9222         * arm.cc: New file.
9223         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9224
9225 2009-05-26  Doug Kwan  <dougkwan@google.com>
9226
9227         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9228         (General_options::check_excluded_libs): Strip off directories in
9229         archive name before matching like GNU ld does.
9230         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9231         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9232         (exclude_libs_test_LDFLAGS): Add linker option
9233         -Wl,--exclude-libs,libexclude_libs_test_3
9234         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9235         an explicit archive without using -l.
9236         (alt/libexclude_libs_test_3.a): New make rule.
9237         * testsuite/Makefile.in: Regenerate.
9238         * testsuite/exclude_libs_test.c : Declare lib3_default().
9239         (main): Call it.
9240         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9241         * exclude_libs_test_3.c: New file.
9242
9243 2009-05-26  Nick Clifton  <nickc@redhat.com>
9244
9245         * po/id.po: New Indonesian translation.
9246         * po/gold.pot: Updated template file.
9247
9248 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9249
9250         * testsuite/Makefile.am: Add -ffunction-sections to compile
9251         gc_comdat_test files.  Add -Wl,--gc-sections to build
9252         gc_comdat_test.
9253         * testsuite/Makefile.in: Regenerate.
9254         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9255
9256 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9257
9258         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9259         kept comdat section was garbage collected.
9260         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9261         * testsuite/Makefile.in: Regenerate.
9262         * testsuite/gc_comdat_test.sh: New file.
9263         * testsuite/gc_comdat_test_1.cc: New file.
9264         * testsuite/gc_comdat_test_2.cc: New file.
9265
9266 2009-05-19  Doug Kwan  <dougkwan@google.com>
9267
9268         * archive.cc (Archive::Archive): Move constructor from archive.h
9269         to here.  Initialize no_export_.
9270         (Archive::get_elf_object_for_member): Set no_export flag of object.
9271         * archive.h (Archive::Archive): Move constructor body to
9272         archive.cc.
9273         (Archive::no_export): New method.
9274         (Archive::no_export_): New field.
9275         * object.h (Object::Object): Initialize no_export_ to false.
9276         (Object::no_export, Object::set_no_export): New methods.
9277         (Object::no_export_): New field.
9278         * options.cc (General_options::parse_exclude_libs): New method.
9279         (General_options::check_excluded_libs) Same.
9280         * options.h (exclude_libs): New option.
9281         (General_options::check_excluded_libs): New method declaration.
9282         (General_options::excluded_libs_): New field.
9283         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9284         default or protected visibility if an object has no-export flag set.
9285         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9286         (check_SCRIPTS): Add exclude_libs_test.sh.
9287         (check_DATA): Add exclude_libs_test.syms.
9288         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9289         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9290         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9291         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9292         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9293         libexclude_libs_test_2.a): New rules.
9294         * testsuite/Makefile.in: Regenerate.
9295         * testsuite/exclude_libs_test.c: New file.
9296         * testsuite/exclude_libs_test.sh: Ditto.
9297         * testsuite/exclude_libs_test_1.c: Ditto.
9298         * testsuite/exclude_libs_test_2.c: Ditto.
9299
9300 2009-05-15  Ian Lance Taylor  <iant@google.com>
9301
9302         * configure.ac: Check for declarations for cases where libiberty.h
9303         checks HAVE_DECL_xxx.
9304         * configure, config.in: Rebuild.
9305
9306 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9307
9308         * gold.h (Incremental_argument_list): Remove (invalid) forward
9309         declaration.
9310         * incremental.cc (Incremental_inputs::report_achive): New method.
9311         (Incremental_inputs::report_object): New method.
9312         (Incremental_inputs::report_script): New method.
9313         (Incremental_inputs::finalize_inputs): New method.
9314         (Incremental_inputs::finalize): Call finalize_inputs().
9315         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9316         Create inputs entries.
9317         * incremental.h (Incremental_input_type): New enum.
9318         (Incremental_inputs::Incremental_input): Initialize new fields.
9319         (Incremental_inputs::report_inputs): New method.
9320         (Incremental_inputs::report_achive): New method.
9321         (Incremental_inputs::report_object): New method.
9322         (Incremental_inputs::report_script): New method.
9323         (Incremental_inputs::finalize_inputs): New method.
9324         (Incremental_inputs::Input_info): New struct.
9325         (Incremental_inputs::Input_info_map): New typedef.
9326         (Incremental_inputs::lock_): New field.
9327         (Incremental_inputs::Inputs_): New field.
9328         (Incremental_inputs::Inputs_map): New field.
9329         * main.cc (main): Call Incremental_input::report_inputs.
9330         * options.h (Input_argument_list): Typedef moved from
9331         Input_arguments.
9332         (Input_file_group::Files): Remove, use ::Input_argument_list.
9333         (Input_file_group::Input_argument_list): Remove, use
9334         ::Input_argument_list.
9335         * plugin.cc (Plugin_manager::add_input_file): Add error in
9336         incremental build.
9337         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9338         functions.
9339         * script.cc (read_input_script): Call
9340         Incremental_input::report_script.
9341         * script.h (Script_info): New class.
9342
9343 2009-04-27  Ian Lance Taylor  <iant@google.com>
9344
9345         * x86_64.cc (do_adjust_output_section): Set entsize to
9346         plt_entry_size.
9347
9348 2009-04-23  Elliott Hughes  <enh@google.com>
9349
9350         * output.cc (Output_file::close): After short writes, continue
9351         writing from the correct offset in the buffer being written.
9352
9353 2009-04-23  Chris Demetriou  <cgd@google.com>
9354
9355         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9356         * configure: Regenerate.
9357         * config.in: Regenerate.
9358         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9359         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9360
9361 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9362
9363         * incremental.cc (Incremental_inputs_header_data): Renamed from
9364         Incremental_input_header_data.
9365         (Incremental_inputs_header_data::data_size): New field.
9366         (Incremental_inputs_header_data::put_input_file_count): Renamed
9367         from input_file_count.
9368         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9369         from command_line_offset.
9370         (Incremental_inputs_header_data::put_reserved): Renamed from
9371         put_reserved.
9372         (Incremental_inputs_entry_data): Renamed from
9373         Incremental_input_entry_data.
9374         (Incremental_inputs_entry_data::data_size): New field.
9375         (Incremental_inputs::report_command_line): New method.
9376         (Incremental_inputs::finalize): New method.
9377         (Incremental_inputs::create_incremental_inputs_data): New method.
9378         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9379         * incremental.h: New file.
9380         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9381        (Layout::finalize): Create incremental inputs section in
9382         incremental builds.
9383        (Layout::create_incremental_info_sections): New method.
9384         * layout.h (Layout::incremental_inputs): New method.
9385        (Layout::create_incremental_info_sections): New method.
9386        (Layout::incremental_inputs_): New field.
9387         * main.cc (main): Notify Incremental_input of the command line.
9388
9389 2009-04-01  Ian Lance Taylor  <iant@google.com>
9390             Mikolaj Zalewski  <mikolajz@google.com>
9391
9392         * gold.h (reserve_unordered_map): Define, three versions, one for
9393         each version of Unordered_map.
9394         * layout.cc (Layout::Layout): Remove options parameter.  Add
9395         number_of_input_files parameter.  Don't initialize options_.
9396         Initialize number_of_input_files_ and resized_signatures_.  Move
9397         sections_are_attached_.
9398         (Layout::layout_group): Reserve space for group_signatures_.
9399         (Layout::find_or_add_kept_section): Change name parameter to be a
9400         reference.  Resize signatures_ map when it gets large enough.
9401         (Layout::layout_eh_frame): Use parameters->options() instead of
9402         this->options_.
9403         (Layout::make_output_section): Likewise.
9404         (Layout::attach_allocated_section_to_segment): Likewise.
9405         (Layout::finalize, Layout::create_executable_stack): Likewise.
9406         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9407         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9408         * layout.h (class Layout): Update declarations.  Remove options_
9409         field.  Add number_of_input_files_ and resized_signatures_
9410         fields.  Move sections_are_attached_ field.
9411         * main.cc (main): Pass number of input files to Layout
9412         constructor.  Don't pass options.
9413
9414 2009-03-30  Ian Lance Taylor  <iant@google.com>
9415
9416         * ffsll.c (ffsll): Correct implementation.
9417
9418 2009-03-27  Ian Lance Taylor  <iant@google.com>
9419
9420         * ffsll.c: New file.
9421         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9422         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9423         * ftruncate.c (ftruncate): Declare before definition.
9424         * mremap.c (mremap): Likewise.
9425         * pread.c (pread): Likewise.
9426         * configure, Makefile.in, config.in: Rebuild.
9427
9428         * mremap.c: New file.
9429         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9430         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9431         (mremap): Declare if HAVE_MREMAP is not defined.
9432         * configure, Makefile.in, config.in: Rebuild.
9433
9434 2009-03-27  Cary Coutant  <ccoutant@google.com>
9435
9436         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9437         position independent.
9438         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9439         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9440
9441 2009-03-24  Cary Coutant  <ccoutant@google.com>
9442
9443         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9444         an executable.
9445         (needs_dynamic_reloc): Likewise.
9446
9447 2009-03-24  Ian Lance Taylor  <iant@google.com>
9448
9449         * yyscript.y (file_cmd): Recognize EXTERN.
9450         (extern_name_list, extern_name_list_body): New nonterminals.
9451         * script.cc (script_add_extern): Define.
9452         * script-c.h (script_add_extern): Declare.
9453
9454 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9455
9456         * object.cc (is_elf_object): Define.
9457         * object.h (is_elf_object): Declare.
9458         * archive.cc (Archive::get_elf_object_for_member): Call
9459         is_elf_object.
9460         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9461
9462 2009-03-24  Elliott Hughes  <enh@google.com>
9463
9464         * output.cc (Output_file::map_anonymous): Define.
9465         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9466         try an anonymous one.  Report the size if the mmap fails.
9467         * output.h (class Output_file): Declare map_anonymous.
9468
9469 2009-03-24  Ian Lance Taylor  <iant@google.com>
9470
9471         * target-select.cc (instantiate_target): Don't acquire the lock if
9472         the instantiated_target_ field has already been set.
9473
9474 2009-03-23  Ian Lance Taylor  <iant@google.com>
9475
9476         * gold-threads.h (class Initialize_lock): Define.
9477         * gold-threads.cc (class Initialize_lock_once): Define.
9478         (initialize_lock_control): New static variable.
9479         (initialize_lock_pointer): New static variable.
9480         (initialize_lock_once): New static function.
9481         (Initialize_lock::Initialize_lock): Define.
9482         (Initialize_lock::initialize): Define.
9483         * target-select.h: Include "gold-threads.h".
9484         (class Target_selector): Add lock_ and initialize_lock_ fields.
9485         Don't define instantiate_target, just declare it.
9486         * target-select.cc (Target_selector::Target_selector): Initialize
9487         new fields.
9488         (Target_selector::instantiate_target): Define.
9489         * descriptors.h: Include "gold-threads.h".
9490         (class Descriptors): Add initialize_lock_ field.
9491         * descriptors.cc (Descriptors::Descriptors): Initialize new
9492         field.
9493         (Descriptors::open): Use initialize_lock_ field
9494         * errors.h (class Errors): Add initialize_lock_ field.
9495         * errors.cc (Errors::Errors): Initialize new field.
9496         (Errors::initialize_lock): Use initialize_lock_ field.
9497         * powerpc.cc (class Target_selector_powerpc): Remove
9498         instantiated_target_ field.  In do_recognize call
9499         instantiate_target rather than do_instantiate_target.  In
9500         do_instantiate_target just allocate a new target.
9501         * sparc.cc (class Target_selector_sparc): Likewise.
9502
9503         * freebsd.h: New file.
9504         * i386.cc: Include "freebsd.h".
9505         (Target_i386): Derive from Target_freebsd rather than
9506         Sized_target.
9507         (Target_selector_i386): Derive from Target_selector_freebsd rather
9508         than Target_selector.
9509         * x86_64.cc: Include "freebsd.h".
9510         (Target_x86_64): Derive from Target_freebsd rather than
9511         Sized_target.
9512         (Target_selector_x86_64): Derive from Target_selector_freebsd
9513         rather than Target_selector.
9514         * target.h (class Target): Add adjust_elf_header and
9515         do_adjust_elf_header.
9516         * output.cc (Output_file_header:: do_sized_write): Call target
9517         adjust_elf_header routine.
9518         * configure.tgt: Set targ_osabi.
9519         * configure.ac: Define GOLD_DEFAULT_OSABI.
9520         * parameters.cc (Parameters::default_target): Pass
9521         GOLD_DEFAULT_OSABI to select_target.
9522         * target-select.h (class Target_selector): Make instantiate_target
9523         protected rather than private.
9524         * Makefile.am (HFILES): Add freebsd.h.
9525         * configure, Makefile.in, config.in: Rebuild.
9526
9527         * merge.cc (do_add_input_section): Correct pend value.  Change
9528         message about last entry not being null terminated from error to
9529         warning.
9530
9531 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9532
9533         * incremental.cc: New file.
9534         * Makefile.am (CCFILES): Add incremental.cc.
9535         * Makefile.in: Rebuild.
9536
9537 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9538
9539         * layout.cc (Layout::output_section_name): Preserve names
9540         of '.note.' sections.
9541
9542 2009-03-19  Ian Lance Taylor  <iant@google.com>
9543
9544         * descriptors.cc (Descriptors::open): Check that the options are
9545         valid before using them.
9546
9547 2009-03-18  Ian Lance Taylor  <iant@google.com>
9548
9549         * script-sections.h: Include <list>.
9550         (class Script_sections): Change Sections_elements from std::vector
9551         to std::list.  Typedef public Elements_iterator.  Add
9552         orphan_section_placement_, data_segment_align_start_, and
9553         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9554         field.
9555         * script-sections.cc (class Orphan_section_placement): New class.
9556         (class Sections_element): Add virtual functions is_relro and
9557         orphan_section_init.  Remove virtual function place_orphan_here.
9558         (class Output_section_definition): Add is_relro and
9559         orphan_section_init.  Remove place_orphan_here.
9560         (class Orphan_output_section): Likewise.
9561         (Script_sections::Script_sections): Update for field changes.
9562         (Script_sections::data_segment_align): Set saw_data_segment_align_
9563         and data_segment_align_start_, not data_segment_align_index.
9564         (Script_sections::data_segment_relro_end): Check
9565         saw_data_segment_align_.  Use data_segment_align_start_ rather
9566         than data_segment_align_index_.
9567         (Script_sections::place_orphan): Rewrite to use
9568         Orphan_section_placement.
9569
9570 2009-03-17  Ian Lance Taylor  <iant@google.com>
9571
9572         * archive.cc (Archive::add_symbols): Check for a version attached
9573         to the symbol name in the archive map.
9574         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9575         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9576         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9577         (ver_test_11.a): New target.
9578         * testsuite/Makefile.in: Rebuild.
9579
9580         * configure.ac: Check for chsize and posix_fallocate.  Replace
9581         ftruncate.
9582         * ftruncate.c: New file, from gnulib.
9583         * output.cc (posix_fallocate): Define dummy version if not
9584         HAVE_POSIX_FALLOCATE.
9585         (Output_file::map): Call posix_fallocate rather than lseek and
9586         write.
9587         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9588         * configure, Makefile.in, config.in: Rebuild.
9589
9590 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9591
9592         * layout.h (Layout::create_note): Add section_name parameter.
9593         * layout.cc (Layout::create_note): Likewise.
9594         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9595
9596 2009-03-17  Ian Lance Taylor  <iant@google.com>
9597
9598         * descriptors.cc: Include "options.h".
9599         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9600         (Descriptors::open): Always use O_CLOEXEC when opening a new
9601         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9602         then set FD_CLOEXEC.
9603
9604         * sparc.cc (class Target_sparc): Add has_got_section.
9605         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9606         make sure we have a GOT section.
9607
9608         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9609         (Target_sparc::Scan::local): Likewise.
9610         (Target_sparc::Scan::global): Likewise.
9611         (Target_sparc::Relocate::relocate): Likewise.
9612         (Target_sparc::Relocate::relocate_tls): Likewise.
9613
9614         * symtab.cc (Symbol_table::define_default_version): New function,
9615         broken out of add_from_object.
9616         (Symbol_table::add_from_object): Call define_default_version.
9617         (Symbol_table::define_special_symbol): Add resolve_oldsym
9618         parameter.  Change all callers.  If the version for a symbol comes
9619         from a version script, resolve it with the symbol with the same
9620         name with no version.  Also add the symbol without a version if
9621         appropriate.
9622         (do_define_in_output_data): If resolving with oldsym, don't delete
9623         sym.
9624         (do_define_in_output_segment): Likewise.
9625         (do_define_as_constant): Likewise.
9626         * symtab.h (class Symbol_table): Update declarations.
9627
9628 2009-03-13  Ian Lance Taylor  <iant@google.com>
9629
9630         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9631         (Read_symbols::requeue): New function.
9632         (Read_symbols::do_read_symbols): If make_elf_object fails because
9633         the target type is not configured, and the file was searched for,
9634         issue a warning and retry with the next directory.
9635         (Add_symbols::run): If the file has an incompatible format, and
9636         it was searched for, requeue the Read_symbols task.  On error,
9637         release the object.
9638         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9639         dirindex parameter to constructor.  Change all callers.  Declare
9640         incompatible_warning and requeue.
9641         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9642         input_argument_ and input_group_ fields.  Add them to
9643         constructor.  Change all callers.
9644         (class Read_script): Add dirindex_ field.  Add it to constructor.
9645         Change all callers.
9646         * archive.cc (Archive::setup): Remove input_objects parameter.
9647         Change all callers.
9648         (Archive::get_file_and_offset): Likewise.
9649         (Archive::read_all_symbols): Likewise.
9650         (Archive::read_symbols): Likewise.
9651         (Archive::get_elf_object_for_member): Remove input_objects
9652         parameter.  Add punconfigured parameter.  Change all callers.
9653         (Archive::add_symbols): Change return type to bool.  Check return
9654         value of include_member.
9655         (Archive::include_all_members): Likewise.
9656         (Archive::include_member): Change return type to bool.  Return
9657         false if first included object has incompatible target.  Set
9658         included_member_ field.
9659         (Add_archive_symbols::run): If add_symbols returns false, requeue
9660         Read_symbols task.
9661         * archive.h (class Archive): Add included_member_ field.
9662         Initialize it in constructor.  Add input_file and searched_for
9663         methods.  Update declarations.
9664         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9665         input_argument_ fields.  Add them to constructor.  Change all
9666         callers.
9667         * script.cc: Include "target-select.h".
9668         (class Parser_closure): Add skip_on_incompatible_target_ and
9669         found_incompatible_target_ fields.  Add
9670         skip_on_incompatible_target parameter to constructor.  Change all
9671         callers.  Add methods skip_on_incompatible_target,
9672         clear_skip_on_incompatible_target, found_incompatible_target, and
9673         set_found_incompatible_target.
9674         (read_input_script): Add dirindex parameter.  Change all callers.
9675         If parser finds an incompatible target, requeue Read_symbols
9676         task.
9677         (script_set_symbol): Clear skip_on_incompatible_target in
9678         closure.
9679         (script_add_assertion, script_parse_option): Likewise.
9680         (script_start_sections, script_add_phdr): Likewise.
9681         (script_check_output_format): New function.
9682         * script.h (read_input_script): Update declaration.
9683         * script-c.h (script_check_output_format): Declare.
9684         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9685         (ignore_cmd): Remove OUTPUT_FORMAT.
9686         * fileread.cc (Input_file::Input_file): Add explicit this.
9687         (Input_file::will_search_for): New function.
9688         (Input_file::open): Add pindex parameter.  Change all callers.
9689         * fileread.h (class Input_file): Add input_file_argument method.
9690         Declare will_search_for.  Update declarations.
9691         * object.cc (make_elf_object): Add punconfigured parameter.
9692         Change all callers.
9693         * object.h (class Object): Make input_file public.  Add
9694         searched_for method.
9695         (make_elf_object): Update declaration.
9696         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9697         restart search.
9698         * dirsearch.h (class Dirsearch): Update declaration.
9699         * options.h (class General_options): Add --warn-search-mismatch.
9700         * parameters.cc (Parameters::is_compatible_target): New function.
9701         * parameters.h (class Parameters): Declare is_compatible_target.
9702         * workqueue.cc (Workqueue::add_blocker): New function.
9703         * workqueue.h (class Workqueue): Declare add_blocker.
9704
9705         * fileread.cc (Input_file::open): Remove options parameter.
9706         Change all callers.
9707         (Input_file::open_binary): Likewise.
9708         * script.cc (read_input_script): Likewise.
9709         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9710         options parameter from constructor.  Change all callers.
9711         (class Read_script): Likewise.
9712         * fileread.h (class Input_file): Update declarations.
9713         * script.h (read_input_script): Update declaration.
9714
9715 2009-03-10  Nick Clifton  <nickc@redhat.com>
9716
9717         * po/es.po: New Spanish translation.
9718
9719 2009-03-06  Cary Coutant  <ccoutant@google.com>
9720
9721         * options.cc (parse_short_option): Keep dash_z from registering itself.
9722
9723 2009-03-03  Ian Lance Taylor  <iant@google.com>
9724
9725         PR 9918
9726         * target-reloc.h (relocate_section): Pass output_section to
9727         relocate.
9728         * i386.cc (Target_i386::should_apply_static_reloc): Add
9729         output_section parameter.  Change all callers.
9730         (Target_i386::Relocate::relocate): Add output_section parameter.
9731         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9732         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9733         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9734         * testsuite/two_file_shared.sh: New script.
9735         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9736         (check_DATA): Add two_file_shared.dbg.
9737         (two_file_shared.dbg): New target.
9738         * testsuite/Makefile.in: Rebuild.
9739
9740 2009-03-01  Ian Lance Taylor  <iant@google.com>
9741
9742         * configure.ac: Check for byteswap.h.
9743         * configure: Rebuild.
9744         * config.in: Rebuild.
9745
9746 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9747
9748         * layout.cc (Layout::find_or_add_kept_section): New function.
9749         (Layout::add_comdat): Removed.
9750         * layout.h (struct Kept_section): Move out of class Layout.
9751         Remove trailing underscores from field names.  Add group_sections
9752         field.  Rename group_ field to is_group.  Change all uses.
9753         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9754         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9755         comdat_groups_ field.
9756         (Sized_relobj::include_section_group): Use
9757         find_or_add_kept_section and Kept_section::group_sections.
9758         (Sized_relobj::include_linkonce_section): Likewise.
9759         * object.cc (class Sized_relobj): Don't define Comdat_group or
9760         Comdat_group_table.  Remove find_comdat_group and
9761         add_comdat_group.  Remove comdat_groups_ field.
9762         * plugin.cc (include_comdat_group): Use
9763         Layout::find_or_add_kept_section.
9764
9765 2009-02-28  Ian Lance Taylor  <iant@google.com>
9766
9767         * README: --gc-sections and map files are now supported.  Document
9768         some build requirements.
9769
9770         PR 6992
9771         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9772         relocatable link set the value of the section symbol to zero.
9773         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9774         relocatable link don't include the section address in the local
9775         symbol value.
9776
9777 2009-02-27  Ian Lance Taylor  <iant@google.com>
9778
9779         PR 6811
9780         * options.h (class Search_directory): Add is_system_directory.
9781         (class General_options): Declare is_in_system_directory.
9782         * options.cc (get_relative_sysroot): Make static.
9783         (get_default_sysroot): Make static.
9784         (General_optoins::is_in_system_directory): New function.
9785         * fileread.cc (Input_file::is_in_system_directory): New function.
9786         * fileread.h (class Input_file): Declare is_in_system_directory.
9787         * object.h (class Object): Add is_in_system_directory.
9788         (class Input_objects): Remove system_library_directory_ field.
9789         * object.cc (Input_objects::add_object): Don't set
9790         system_library_directory_.
9791         (input_objects::found_in_system_library_directory): Remove.
9792         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9793         parameter.  Change all callers.
9794         (Symbol_table::sized_write_globals): Likewise.
9795         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9796         Call Object::is_in_system_directory.
9797         * symtab.h (class Symbol_table): Update declarations.
9798
9799         PR 5990
9800         * descriptors.h (Open_descriptor): Add is_on_stack field.
9801         * descriptors.cc (Descriptors::open): If the descriptor is on the
9802         top of the stack, remove it.  Initialize is_on_stack field.
9803         (Descriptors::release): Only add pod to stack if it is not on the
9804         stack already.
9805         (Descriptors::close_some_descriptor): Clear stack_next and
9806         is_on_stack fields.
9807
9808         PR 7091
9809         * output.cc (Output_section::find_starting_output_address): Rename
9810         from starting_output_address; add PADDR parameter; change return
9811         type.
9812         * output.h (class Output_section): Declare
9813         find_starting_output_address instead of starting_output_address.
9814         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9815         section symbol for which we can't find a merge section.
9816
9817         PR 9836
9818         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9819         hidden or internal, force the symbol to be local.
9820         * resolve.cc (Symbol::override_visibility): Define.
9821         (Symbol::override_base): Use override_visibility.
9822         (Symbol_table::resolve): Likewise.
9823         (Symbol::override_base_with_special): Likewise.
9824         (Symbol_table::override_with_special): If the visibility is hidden
9825         or internal, force the symbol to be local.
9826         * symtab.h (class Symbol): Add set_visibility and
9827         override_visibility.
9828         * testsuite/ver_test_1.sh: New file.
9829         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9830         (check_DATA): Add ver_test_1.syms.
9831         (ver_test_1.syms): New target.
9832         * testsuite/Makefile.in: Rebuild.
9833
9834 2009-02-25  Cary Coutant  <ccoutant@google.com>
9835
9836         * layout.cc (Layout::choose_output_section): Don't rename sections
9837         when using a linker script that has a SECTIONS clause.
9838         * Makefile.in: Regenerate.
9839
9840         * testsuite/Makefile.am (script_test_5.sh): New test case.
9841         * testsuite/Makefile.in: Regenerate.
9842         * testsuite/script_test_5.cc: New file.
9843         * testsuite/script_test_5.sh: New file.
9844         * testsuite/script_test_5.t: New file.
9845
9846 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9847
9848         * archive.cc (Archive::include_member): Update calls to add_symbols.
9849         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9850         the Layout argument.
9851         * dynobj.h (do_add_symbols): Add the Layout argument.
9852         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9853         Layout argument.
9854         * object.h (Object::add_symbols): Add the Layout argument.
9855         (Object::do_add_symbols): Add the Layout argument.
9856         (Sized_relobj::do_add_symbols): Add the Layout argument.
9857         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9858         Unify the two versions.
9859         (Add_plugin_symbols): Remove.
9860         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9861         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9862         (Add_plugin_symbols): Remove.
9863         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9864         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9865         (Add_symbols::run): Make it work with Pulginobj.
9866
9867 2009-02-06  Ian Lance Taylor  <iant@google.com>
9868
9869         * object.cc (Sized_relobj::do_layout): Make info message start
9870         with lower case letter.
9871
9872 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9873
9874         * binary.cc: Fix file comment.
9875
9876         * options.h (enum Incremental_disposition): Define.
9877         (class General_options): Add new options: --incremental,
9878         --incremental_changed, --incremental_unchanged,
9879         --incremental_unknown.  Add incremental_disposition_ and
9880         implicit_incremental_ fields.
9881         (General_options::incremental_disposition): New function.
9882         (class Position_dependent_options): Add incremental_disposition
9883         option.
9884         (Position_dependent_options::copy_from_options): Set incremental
9885         dispositions.
9886         * options.cc (General_options::parse_incremental_changed): New
9887         function.
9888         (General_options::parse_incremental_unchanged): New function.
9889         (General_options::parse_incremental_unknown): New function.
9890         (General_options::General_options): Initialize new fields
9891         incremental_disposition_ and implicit_incremental_.
9892         (General_options::finalize): Check for uasge of --incremental-*
9893         without --incremental.
9894
9895 2009-02-06  Chris Demetriou  <cgd@google.com>
9896
9897         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9898         pointer and to report location as the file name associated with
9899         the symbol.
9900         (gold_undefined_symbol_at_location): New function to replace the
9901         old gold_undefined_symbol functionality.
9902         * target-reloc.h (relocate_section): Update to use
9903         gold_undefined_symbol_at_location.
9904         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9905         Call gold_undefined_symbol function rather than gold_error.
9906         * errors.h (Errors::undefined_symbol): Take location as a
9907         string, rather than calculating it from a relocation.
9908         * errors.cc (Errors::fatal): Print "fatal error:" before the
9909         formatted message.
9910         (Errors::error, Errors::error_at_location): Print "error: "
9911         before the formatted message.
9912         (Errors::undefined_symbol): Take location as a string, rather
9913         than calculating it from a relocation.
9914         (gold_undefined_symbol_at_location): New function akin to
9915         old gold_undefined_symbol, calculates location from relocation.
9916         (gold_undefined_symbol): Change to take only a Symbol pointer
9917         and to report location as the file name associated with the symbol.
9918         * testsuite/debug_msg.sh: Update for changed error messages.
9919         * testsuite/undef_symbol.sh: Likewise.
9920
9921 2009-02-04  Duncan Sands  <baldrick@free.fr>
9922
9923         PR 9812
9924         * reduced_debug_output.h
9925         (Output_reduced_debug_abbrev_section::failed): Use format for
9926         gold_warning.
9927         (Output_reduced_debug_info_section::faild): Likewise.
9928
9929 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9930
9931         * script.cc (Lazy_demangler): New class.
9932         (Version_script_info::get_symbol_version_helper): Demangle a
9933         symbol only once.
9934
9935 2009-01-29  Cary Coutant  <ccoutant@google.com>
9936
9937         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9938         to __tls_get_addr.
9939         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9940
9941 2009-01-28  Ian Lance Taylor  <iant@google.com>
9942
9943         * version.cc (version_string): Bump to 1.9.
9944
9945         * gold.h: Include <cstring> and <stdint.h>.
9946         * version.cc: Include <cstdio>.
9947         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9948         warning.
9949         * reduced_debug_output.cc (insert_into_vector): Rename from
9950         Insert_into_vector; change all callers.  Use Swap_unaligned to
9951         avoid aliasing issue; remove union since it is unnecessary.
9952
9953 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9954
9955         * Makefile.am (CCFILES): Add gc.cc.
9956         (HFILES): Add gc.h.
9957         * Makefile.in: Regenerate.
9958         * gold.cc (Gc_runner): New class.
9959         (queue_initial_tasks): Call garbage collection related tasks
9960         when corresponding options are invoked.
9961         (queue_middle_gc_tasks): New function.
9962         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9963         processed early before laying out sections during garbage collection.
9964         * gold.h (queue_middle_gc_tasks): New function.
9965         (is_prefix_of): Move from "layout.cc".
9966         * i386.cc (Target_i386::gc_process_relocs): New function.
9967         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9968         * main.cc (main): Create object of class "Garbage_collection".
9969         * object.cc (Relobj::copy_symbols_data): New function.
9970         (Relobj::is_section_name_included): New function.
9971         (Sized_relobj::do_layout): Allow this function to be called twice
9972         during garbage collection and defer layout of section during the
9973         first call.
9974         * object.h (Relobj::get_symbols_data): New function.
9975         (Relobj::is_section_name_included): New function.
9976         (Relobj::copy_symbols_data): New function.
9977         (Relobj::set_symbols_data): New function.
9978         (Relobj::get_relocs_data): New function.
9979         (Relobj::set_relocs_data): New function.
9980         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9981         (Relobj::gc_process_relocs): New function.
9982         (Relobj::do_gc_process_relocs): New pure virtual function.
9983         (Relobj::sd_): New data member.
9984         (Sized_relobj::is_output_section_offset_invalid): New function.
9985         (Sized_relobj::do_gc_process_relocs): New function.
9986         * options.h (General_options::gc_sections): Modify to not be a no-op.
9987         (General_options::print_gc_sections): New option.
9988         * plugin.cc (Plugin_finish::run): Remove function call to
9989         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9990         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9991         * reloc.cc (Read_relocs::run): Add task to process relocs and
9992         determine unreferenced sections when doing garbage collection.
9993         (Gc_process_relocs): New class.
9994         (Sized_relobj::do_gc_process_relocs): New function.
9995         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9996         sections that are garbage collected.
9997         * reloc.h (Gc_process_relocs): New class.
9998         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9999         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10000         symbols whose corresponding sections are garbage collected.
10001         (Symbol_table::Symbol_table): Add new parameter for the garbage
10002         collection object.
10003         (Symbol_table::gc_mark_undef_symbols): New function.
10004         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10005         (Symbol_table::gc_mark_dyn_syms): New function.
10006         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10007         as garbage.
10008         (Symbol_table::add_from_object): Likewise.
10009         (Symbol_table::add_from_relobj): When building shared objects, do not
10010         treat externally visible symbols as garbage.
10011         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10012         table information for static and relocatable links.
10013         * symtab.h (Symbol_table::set_gc): New function.
10014         (Symbol_table::gc): New function.
10015         (Symbol_table::gc_mark_undef_symbols): New function.
10016         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10017         (Symbol_table::gc_mark_dyn_syms): New function.
10018         (Symbol_table::gc_): New data member.
10019         * target.h (Sized_target::gc_process_relocs): New pure virtual
10020         function.
10021         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10022         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10023
10024 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10025
10026         * options.h (General_options::gc_sections): Define as a no-op for now.
10027         (General_options::no_keep_memory): Ditto.
10028         (General_options::Bshareable): Define.
10029         * options.cc (General_options::finalize): Honor -Bshareable.
10030
10031 2009-01-20  Andreas Schwab  <schwab@suse.de>
10032
10033         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10034         read the value in the contents, since we don't use it.  Use the
10035         template endianness when writing.
10036         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10037
10038 2009-01-19  Andreas Schwab  <schwab@suse.de>
10039
10040         * configure.tgt (powerpc64-*): Fix targ_obj.
10041
10042 2009-01-15  Ian Lance Taylor  <iant@google.com>
10043
10044         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10045         local symbols when stripping all symbols.
10046
10047 2009-01-14  Cary Coutant  <ccoutant@google.com>
10048
10049         * output.cc (Output_reloc): Add explicit instantiations.
10050
10051 2009-01-14  Cary Coutant  <ccoutant@google.com>
10052
10053         * archive.cc (Archive::get_elf_object_for_member): Remove call
10054         to File_read::claim_for_plugin.
10055         * descriptors.cc (Descriptors::open): Remove reference to
10056         is_claimed.
10057         (Descriptors::claim_for_plugin): Remove.
10058         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10059         (Descriptors::is_claimed): Remove.
10060         (claim_descriptor_for_plugin): Remove.
10061         * fileread.cc (File_read::claim_for_plugin): Remove.
10062         * fileread.h (File_read::claim_for_plugin): Remove.
10063         (File_read::descriptor): Reopen descriptor if necessary.
10064         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10065         (Plugin_manager::all_symbols_read): Add task parameter. Change
10066         all callers.
10067         (Plugin_manager::get_input_file): New function.
10068         (Plugin_manager::release_input_file): New function.
10069         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10070         corresponding data member.
10071         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10072         and pass to base constructor. Change all callers.
10073         (get_input_file, release_input_file): New functions.
10074         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10075         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10076         (Plugin_manager::all_symbols_read): Add task parameter.
10077         (Plugin_manager::get_input_file): New function.
10078         (Plugin_manager::release_input_file): New function.
10079         (Plugin_manager::task_): New data member.
10080         (Pluginobj::Pluginobj): Add filesize parameter.
10081         (Pluginobj::filename): New function.
10082         (Pluginobj::descriptor): New function.
10083         (Pluginobj::filesize): New function.
10084         (Pluginobj::filesize_): New data member.
10085         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10086         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10087         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10088
10089         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10090         with archive libraries.
10091         * testsuite/Makefile.in: Regenerate.
10092         * testsuite/plugin_test.c (struct sym_info): New type.
10093         (get_input_file, release_input_file): New static variables.
10094         (onload): Capture new transfer vector entries.
10095         (claim_file_hook): Stop reading at end of file according to filesize.
10096         Factor out parsing of readelf output into separate function.
10097         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10098         APIs and get the source file name from the symbol table.  Convert
10099         source file name to corresponding object file name.  Print info
10100         message when adding new input files.
10101         (parse_readelf_line): New function.
10102         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10103         * testsuite/plugin_test_2.sh: Likewise.
10104         * testsuite/plugin_test_3.sh: Likewise.
10105         * testsuite/plugin_test_4.sh: New test case.
10106
10107 2009-01-07  Ian Lance Taylor  <iant@google.com>
10108
10109         * version.cc (version_string): Bump to 1.8.
10110
10111 2008-12-23  Cary Coutant  <ccoutant@google.com>
10112
10113         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10114         * plugin.cc (Plugin_manager::finish): Rename as
10115         layout_deferred_objects.  Move cleanup to separate function.
10116         (Plugin_manager::cleanup): New function.
10117         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10118         separately.
10119         * plugin.h (Plugin_manager::finish): Rename as
10120         layout_deferred_objects.
10121         (Plugin_manager::cleanup): New function.
10122         (Plugin_manager::cleanup_done): New field.
10123
10124 2008-12-23  Cary Coutant  <ccoutant@google.com>
10125
10126         * plugin.cc (is_visible_from_outside): New function.
10127         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10128         so we don't return "IR only" status for exported symbols or -r links.
10129
10130         * testsuite/Makefile.am (plugin_test_3): New test case.
10131         * testsuite/Makefile.in: Regenerate.
10132         * testsuite/plugin_test_3.sh: New file.
10133
10134 2008-12-22  Cary Coutant  <ccoutant@google.com>
10135
10136         * object.cc (Sized_relobj::layout_section): New function.
10137         (Sized_relobj::do_layout): Defer layout of input sections until after
10138         plugin has provided replacement files.
10139         (Sized_relobj::do_layout_deferred_sections): New function.
10140         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10141         (Relobj::layout_deferred_sections): New function.
10142         (Relobj::do_layout_deferred_sections): New function.
10143         (Sized_relobj::do_layout_deferred_sections): New function.
10144         (Sized_relobj::layout_section): New function.
10145         (Sized_relobj::Deferred_layout): New structure.
10146         (Sized_relobj::deferred_layout_): New field.
10147         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10148         Change all callers.  Layout deferred sections.
10149         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10150         references.
10151         (Plugin_hook::run): Move code from do_plugin_hook inline.
10152         (Plugin_hook::do_plugin_hook): Remove.
10153         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10154         (Plugin_manager::finish): Renamed, was cleanup.
10155         (Plugin_manager::should_defer_layout): New function.
10156         (Plugin_manager::add_deferred_layout_object): New function.
10157         (Plugin_manager::Deferred_layout_list): New type.
10158         (Plugin_manager::deferred_layout_objects_): New field.
10159         (Plugin_hook::do_plugin_hook): Remove.
10160
10161 2008-12-17  Ian Lance Taylor  <iant@google.com>
10162
10163         * options.h (class General_options): Add --no case for
10164         --export-dynamic.
10165
10166 2008-12-16  Cary Coutant  <ccoutant@google.com>
10167
10168         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10169         vector.
10170         (Plugin_manager::claim_file): Create plugin object even if
10171         plugin did not call the add_symbols callback.
10172         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10173         asking for more symbols than were added.
10174         * testsuite/Makefile.am (plugin_test_1): Add test case with
10175         no global symbols.
10176         (empty.syms): New target.
10177         * testsuite/Makefile.in: Regenerate.
10178         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10179         message. Don't call add_symbols if no globals.
10180         (all_symbols_read_hook): Don't provide replacement for empty
10181         claimed file.
10182
10183 2008-12-12  Ian Lance Taylor  <iant@google.com>
10184
10185         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10186         r_type == 0 for a local symbol with r_sym == 0.
10187         (scan_relocatable_relocs): Pass r_sym to
10188         local_non_section_strategy.
10189         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10190         r_sym parameter.
10191
10192         * configure.ac: Update test for TLS descriptors: they are
10193         supported as of glibc 2.9.
10194         * configure: Rebuild.
10195
10196 2008-12-11  Ian Lance Taylor  <iant@google.com>
10197
10198         PR 7091
10199         * target-reloc.h (Default_scan_relocatable_relocs): For each
10200         function, map r_type == 0 to RELOC_DISCARD.
10201
10202 2008-12-10  Cary Coutant  <ccoutant@google.com>
10203
10204         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10205         object to override a kept COMDAT group from a plugin object.
10206
10207 2008-12-09  Ian Lance Taylor  <iant@google.com>
10208
10209         PR 7088
10210         * yyscript.y (file_cmd): Handle INPUT.
10211
10212         * testsuite/initpri1.c: Change all declarations to be full
10213         prototypes by adding void, to avoid compiler warnings.
10214
10215 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10216
10217         * options.cc (General_options::parse_plugin_opt): New.
10218         (General_options::add_plugin): The argument now is just the filename.
10219         (General_options::add_plugin_option): New.
10220         * options.h (plugin_opt): New.
10221         (add_plugin): Change argument name.
10222         (add_plugin_option): New.
10223         * plugin.cc (Plugin::load): Don't parse the plugin option.
10224         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10225         (Plugin::add_option): New.
10226         (Plugin::args_): Change type.
10227         (Plugin::filename_): New.
10228         (Plugin_manager::add_plugin_option): New.
10229         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10230         * testsuite/Makefile.in: Regenerate.
10231
10232 2008-12-05  Cary Coutant  <ccoutant@google.com>
10233
10234         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10235         Handle --strip-lto-sections option.
10236         * options.h (strip_lto_sections): New option.
10237
10238 2008-12-01  Cary Coutant  <ccoutant@google.com>
10239
10240         * plugin.cc (ld_plugin_message): Change format parameter to const.
10241         Fix mismatch between new[] and delete.
10242
10243 2008-11-14  Cary Coutant  <ccoutant@google.com>
10244
10245         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10246         instead of -1U.
10247
10248 2008-11-05  Craig Silverstein  <csilvers@google.com>
10249
10250         * options.cc (General_options::parse_dynamic_list): New function.
10251         * options.h (General_options): New flags dynamic_list,
10252         dynamic_list_data, dynamic_list_cpp_new, and
10253         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10254         (General_options::in_dynamic_list): New function.
10255         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10256         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10257         (Lex::can_continue_name): Likewise.
10258         (yylex): Likewise.
10259         (read_script_file): New parameter script_options.
10260         (read_dynamic_list): New function.
10261         (Script_options::define_dynamic_list): New function.
10262         (dynamic_list_keyword_parsecodes): New variable.
10263         (dynamic_list_keywords): New variable.
10264         * script.h (Script_options::define_dynamic_list): New function
10265         prototype.
10266         (read_dynamic_list): New function prototype.
10267         * symtab.cc (strprefix): New macro.
10268         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10269         dynamic_list_data, dynamic_list_cpp_new, and
10270         dynamic_list_cpp_typeinfo.
10271         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10272         (dynamic_list_expr): New rule.
10273         (dynamic_list_nodes): Likewise.
10274         (dynamic_list_node): Likewise.
10275         * testsuite/Makefile.am (dynamic_list): New test.
10276         * testsuite/Makefile.in: Regenerated.
10277         * testsuite/dynamic_list.t: New file.
10278         * testsuite/dynamic_list.sh: New file.
10279
10280 2008-11-05  Craig Silverstein  <csilvers@google.com>
10281
10282         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10283         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10284         (t11_last): Likewise.
10285         * testsuite/ver_test_6.c (main): Likewise.
10286
10287 2008-10-07  Cary Coutant  <ccoutant@google.com>
10288
10289         * options.c (General_options::finalize): Add check for -static and
10290         -shared.
10291         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10292         is not empty.
10293
10294 2008-10-02  Cary Coutant  <ccoutant@google.com>
10295
10296         * plugin.cc (make_sized_plugin_object): Fix conditional
10297         compilation to work when not all targets are enabled.
10298
10299 2008-09-29  Cary Coutant  <ccoutant@google.com>
10300
10301         * archive.cc (Archive::get_file_and_offset): Use filename instead
10302         of name to get library path.
10303         (Archive::include_member): Unlock external member of a thin archive.
10304
10305         * testsuite/Makefile.am (TEST_AR): New variable.
10306         (thin_archive_test_1): New test.
10307         (thin_archive_test_2): New test.
10308         * testsuite/Makefile.in: Regenerate.
10309         * testsuite/thin_archive_main.cc: New file.
10310         * testsuite/thin_archive_test_1.cc: New file.
10311         * testsuite/thin_archive_test_2.cc: New file.
10312         * testsuite/thin_archive_test_3.cc: New file.
10313         * testsuite/thin_archive_test_4.cc: New file.
10314
10315 2008-09-29  Cary Coutant  <ccoutant@google.com>
10316
10317         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10318         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10319         instead of -1U.
10320         (Sized_relobj::do_finalize_local_symbols): Likewise.
10321         (Sized_relobj::map_to_kept_section): Likewise.
10322         * object.h (Sized_relobj::invalid_address): New constant.
10323         (Sized_relobj::do_output_section_offset): Check for invalid_address
10324         and return -1ULL.
10325         * output.cc (Output_reloc::local_section_offset): Use constant
10326         invalid_address instead of -1U.
10327         (Output_reloc::get_address): Likewise.
10328         (Output_section::output_address): Change -1U to -1ULL.
10329         * output.h (Output_reloc::invalid_address): New constant.
10330         * reloc.cc (Sized_relobj::write_sections): Use constant
10331         invalid_address instead of -1U.
10332         (Sized_relobj::relocate_sections): Likewise.
10333         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10334         values for merge sections.
10335         * target-reloc.h (relocate_for_relocatable): Use constant
10336         invalid_address instead of -1U.
10337
10338 2008-09-19  Cary Coutant  <ccoutant@google.com>
10339
10340         Add plugin functionality for link-time optimization (LTO).
10341         * configure.ac (plugins): Add --enable-plugins option.
10342         * configure: Regenerate.
10343         * config.in: Regenerate.
10344         * Makefile.am (LIBDL): New variable.
10345         (CCFILES): Add plugin.cc.
10346         (HFILES): Add plugin.h.
10347         (ldadd_var): Add LIBDL.
10348         * Makefile.in: Regenerate.
10349
10350         * archive.cc: Include "plugin.h".
10351         (Archive::setup): Don't preread archive symbols when using a plugin.
10352         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10353         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10354         files.
10355         (Archive::include_member): Add symbols from plugin objects.
10356         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10357         * descriptors.cc (Descriptors::open): Check for file descriptors
10358         abandoned by plugins.
10359         (Descriptors::claim_for_plugin): New function.
10360         * descriptors.h (Descriptors::claim_for_plugin): New function.
10361         (Open_descriptor::is_claimed): New field.
10362         (claim_descriptor_for_plugin): New function.
10363         * fileread.cc (File_read::claim_for_plugin): New function.
10364         * fileread.h (File_read::claim_for_plugin): New function.
10365         (File_read::descriptor): New function.
10366         * gold.cc: Include "plugin.h".
10367         (queue_initial_tasks): Add task to call plugin hooks for generating
10368         new object files.
10369         * main.cc: Include "plugin.h".
10370         (main): Load plugin libraries.
10371         * object.h (Pluginobj): Declare.
10372         (Object::pluginobj): New function.
10373         (Object::do_pluginobj): New function.
10374         (Object::set_target): New function.
10375         * options.cc: Include "plugin.h".
10376         (General_options::parse_plugin): New function.
10377         (General_options::General_options): Initialize plugins_ field.
10378         (General_options::add_plugin): New function.
10379         * options.h (Plugin_manager): Declare.
10380         (General_options): Add --plugin option.
10381         (General_options::has_plugins): New function.
10382         (General_options::plugins): New function.
10383         (General_options::add_plugin): New function.
10384         (General_options::plugins_): New field.
10385         * plugin.cc: New file.
10386         * plugin.h: New file.
10387         * readsyms.cc: Include "plugin.h".
10388         (Read_symbols::do_read_symbols): Check for archive before checking
10389         for ELF file.  Call plugin hooks to claim files.
10390         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10391         from a real object file; force override when processing replacement
10392         files.
10393         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10394         (Symbol::init_base_object): Likewise.
10395         (Symbol::init_base_output_data): Likewise.
10396         (Symbol::init_base_output_segment): Likewise.
10397         (Symbol::init_base_constant): Likewise.
10398         (Symbol::init_base_undefined): Likewise.
10399         (Symbol::output_section): Assert that object is not a plugin.
10400         (Symbol_table::add_from_pluginobj): New function.
10401         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10402         undefined.
10403         (Symbol_table::sized_write_globals): Likewise.
10404         (Symbol_table::add_from_pluginobj): Instantiate template.
10405         * symtab.h (Sized_pluginobj): Declare.
10406         (Symbol::in_real_elf): New function.
10407         (Symbol::set_in_real_elf): New function.
10408         (Symbol::in_real_elf_): New field.
10409         (Symbol_table::add_from_pluginobj): New function.
10410
10411         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10412         (LIBDL): New variable.
10413         (LDADD): Add LIBDL.
10414         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10415         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10416         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10417         (MOSTLYCLEANFILES): Likewise.
10418         * testsuite/Makefile.in: Regenerate.
10419         * testsuite/plugin_test.c: New file.
10420         * testsuite/plugin_test_1.sh: New file.
10421         * testsuite/plugin_test_2.sh: New file.
10422
10423 2008-09-16  Ian Lance Taylor  <iant@google.com>
10424
10425         * target-reloc.h (relocate_section): Check whether a symbol is
10426         defined by the ABI before reporting an undefined symbol error.
10427         * target.h (Target::is_defined_by_abi): Make parameter const.
10428         (Target::do_is_defined_by_abi): Likewise.
10429         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10430         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10431         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10432         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10433         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10434         * testsuite/Makefile.in: Rebuild.
10435
10436         * fileread.cc (make_view): Add casts to avoid warning.
10437
10438 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10439
10440         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10441         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10442
10443 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10444
10445         * options.h (General_options::output_is_executable): New.
10446         (General_options::output_is_pie): New.
10447         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10448         for shared libraries.
10449         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10450
10451 2008-09-11  Chris Demetriou  <cgd@google.com>
10452
10453         * options.h (origin): New -z option.
10454         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10455         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10456         in DT_FLAGS_1.
10457
10458 2008-09-05  Cary Coutant  <ccoutant@google.com>
10459
10460         * fileread.cc (File_read::make_view): Add check for attempt to map
10461         beyond end of file.
10462
10463 2008-09-05  Cary Coutant  <ccoutant@google.com>
10464
10465         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10466         explicit instantiations.
10467
10468 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10469
10470         PR gold/6858
10471         * options.cc (General_options::finalize): Allow undefined symbols
10472         in shlibs if linking -shared.
10473
10474         PR gold/6859
10475         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10476         symbols as not needing a dynsym entry.
10477
10478 2008-08-20  Craig Silverstein  <csilvers@google.com>
10479
10480         * fileread.cc (File_read::open): Do not lock the file unless it
10481         was successfully opened.
10482
10483 2008-08-14  Cary Coutant  <ccoutant@google.com>
10484
10485         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10486         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10487         * testsuite/tls_test.cc (struct int128): 128-bit struct
10488         for testing TLS relocs with non-zero addend.
10489         (v12): New TLS variable.
10490         (t12): New test.
10491         (t_last): Add check for v12.
10492         * testsuite/tls_test.h (t12): New function.
10493         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10494
10495 2008-08-13  Ian Lance Taylor  <iant@google.com>
10496
10497         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10498         set tls_segment_ or relro_segment_.
10499         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10500         when appropriate.
10501         * output.h (Output_section::clear_is_relro): New function.
10502         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10503         sections specially even when output_data_ is empty.
10504         (Output_segment::maximum_alignment): When first section is relro,
10505         only force alignment for PT_LOAD segments.
10506         * script.cc (script_data_segment_align): New function.
10507         (script_data_segment_relro_end): New function.
10508         * script-c.h (script_data_segment_align): Declare.
10509         (script_data_segment_relro_end): Declare.
10510         * script-sections.h (class Script_sections): Declare
10511         data_segment_align and data_segment_relro_end.  Add fields
10512         segment_align_index_ and saw_relro_end_.
10513         * script-sections.cc (class Sections_element): Add set_is_relro
10514         virtual function.  Add new bool* parameter to place_orphan_here.
10515         Add get_output_section virtual function.
10516         (class Output_section_definition): Add set_is_relro.  Add new
10517         bool* parameter to place_orphan_here.  Add get_output_section.
10518         Add is_relro_ field.
10519         (Output_section_definition::Output_section_definition): Initialize
10520         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10521         and is_relro_ fields.
10522         (Output_section_definition::place_orphan_here): Add is_relro
10523         parameter.
10524         (Output_section_definition::set_section_addresses): Set relro for
10525         output section.
10526         (Output_section_definition::alternate_constraint): Likewise.
10527         (class Orphan_output_section): Add new bool* parameter to
10528         place_orphan_here.  Add get_output_section.
10529         (Orphan_output_section::place_orphan_here): Add is_relro
10530         parameter.
10531         (Script_sections::Script_sections): Initialize
10532         data_segment_align_index_ and saw_relro_end_.
10533         (Script_sections::data_segment_align): New function.
10534         (Script_sections::data_segment_relro_end): New function.
10535         (Script_sections::place_orphan): Set or clear is_relro.
10536         (Script_sections::set_section_addresses): Force alignment of first
10537         TLS section.
10538         * yyscript.y (exp): Call script_data_segment_align and
10539         script_data_segment_relro_end.
10540         * testsuite/relro_script_test.t: New file.
10541         * testsuite/relro_test.cc (using_script): Declare.
10542         (t1, t2): Test using_script.
10543         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10544         (relro_script_test_SOURCES): Define.
10545         (relro_script_test_DEPENDENCIES): Define.
10546         (relro_script_test_LDFLAGS): Define.
10547         (relro_script_test_LDADD): Define.
10548         (relro_script_test.so): New target.
10549         * testsuite/Makefile.in: Rebuild.
10550
10551 2008-08-06  Cary Coutant <ccoutant@google.com>
10552
10553         * archive.cc (Archive::total_archives, Archive::total_members)
10554         (Archive::total_members_loaded): New variables.
10555         (Archive::setup): Add parameter.  Add option to preread
10556         archive symbols.
10557         (Archive::read_armap): Add counter.
10558         (Archive::get_file_and_offset): New function.
10559         (Archive::get_elf_object_for_member): New function.
10560         (Archive::read_all_symbols): New function.
10561         (Archive::read_symbols): New function.
10562         (Archive::add_symbols): Add counters.
10563         (Archive::include_all_members): Use armap to find members if it's
10564         already built.
10565         (Archive::include_member): Skip reading symbols if already read.
10566         Factored code into Archive::get_file_and_offset and
10567         Archive::get_elf_object_for_member.  Changed call to
10568         Mapfile::report_include_archive_member.
10569         (Archive::print_stats): New function.
10570         * archive.h: Declare Object and Read_symbols_data classes.
10571         (Archive::Archive): Add initializers for new members.
10572         (Archive::setup): Add parameter.
10573         (Archive::print_stats): New function.
10574         (Archive::total_archives, Archive::total_members)
10575         (Archive::total_members_loaded): New variables.
10576         (Archive::get_file_and_offset): New function.
10577         (Archive::get_elf_object_for_member): New function.
10578         (Archive::read_all_symbols): New function.
10579         (Archive::read_symbols): New function.
10580         (Archive::Archive_member): New class.
10581         (Archive::members_): New member.
10582         (Archive::num_members_): New member.
10583         * main.cc: Include archive.h.
10584         (main): Call Archive::print_stats.
10585         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10586         archive parameter; member_name is now the fully-decorated name.
10587         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10588         * options.h: (General_options): Add --preread-archive-symbols option.
10589         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10590         Archive::setup.
10591
10592 2008-08-04  Ian Lance Taylor  <iant@google.com>
10593
10594         * symtab.h (Symbol::use_plt_offset): New function.
10595         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10596         * powerpc.cc (Relocate::relocate): Likewise.
10597         * sparc.cc (Relocate::relocate): Likewise.
10598         * x86_64.cc (Relocate::relocate): Likewise.
10599         * testsuite/weak_plt.sh: New test.
10600         * testsuite/weak_plt_main.cc: New test.
10601         * testsuite/weak_plt_shared.cc: New test.
10602         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10603         (check_PROGRAMS): Add weak_plt.
10604         (check_DATA): Add weak_plt_shared.so.
10605         (weak_plt_main_pic.o, weak_plt): New targets.
10606         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10607         * testsuite/Makefile.in: Rebuild.
10608
10609         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10610         gcctestdir/ld.
10611         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10612         * testsuite/Makefile.in: Rebuild.
10613
10614 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10615
10616         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10617         * Makefile.in: Regenerate.
10618         * po/POTFILES.in: Regenerate.
10619
10620 2008-07-29  Ian Lance Taylor  <iant@google.com>
10621
10622         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10623         symbols before other symbols.
10624         * testsuite/script_test_2.cc (test_addr): Declare.
10625         (test_addr_alias): Declare.
10626         (main): Check that test_addr and test_addr_alias have the right
10627         values.
10628         * testsuite/script_test_2.t: Define test_addr_alias and
10629         test_addr.
10630
10631 2008-07-24  Ian Lance Taylor  <iant@google.com>
10632
10633         PR 5990
10634         * descriptors.cc: New file.
10635         * descriptors.h: New file.
10636         * gold-threads.h (class Hold_optional_lock): New class.
10637         * fileread.cc: Include "descriptors.h".
10638         (File_read::~File_read): Release descriptor rather than closing
10639         it.
10640         (File_read::open) [file]: Call open_descriptor rather than open.
10641         Set is_descriptor_opened_.
10642         (File_read::open) [memory]: Assert that descriptor is not open.
10643         (File_read::reopen_descriptor): New function.
10644         (File_read::release): Release descriptor.
10645         (File_read::do_read): Make non-const.  Reopen descriptor.
10646         (File_read::read): Make non-const.
10647         (File_read::make_view): Reopen descriptor.
10648         (File_read::do_readv): Likewise.
10649         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10650         Update declarations.
10651         * layout.cc: Include "descriptors.h".
10652         (Layout::create_build_id): Use open_descriptor rather than open.
10653         * output.cc: Include "descriptors.h".
10654         (Output_file::open): Use open_descriptor rather than open.
10655         * archive.cc (Archive::const_iterator): Change Archive to be
10656         non-const.
10657         (Archive::begin, Archive::end): Make non-const.
10658         (Archive::count_members): Likewise.
10659         * archive.h (class Archive): Update declarations.
10660         * object.h (Object::read): Make non-const.
10661         * Makefile.am (CCFILES): Add descriptors.cc.
10662         (HFILES): Add descriptors.h.
10663         * Makefile.in: Rebuild.
10664
10665         PR 6716
10666         * gold.h: Always include <clocale>.  Add Solaris workarounds
10667         following code in binutils/sysdep.h.
10668
10669         PR 6048
10670         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10671         this->eh_frame_hdr_ is NULL before using it.
10672
10673         * dynobj.cc (Versions::Versions): Update comment.
10674
10675         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10676         the base version name.
10677
10678         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10679         array size plus one.
10680         (Stringpool_template::set_string_offsets): Subtract one from key
10681         before using it as an array index.
10682         (Stringpool_template::get_offset_with_length): Likewise.
10683         (Stringpool_template::write_to_buffer): Likewise.
10684         * stringpool.h (Stringpool_template::get_offset_from_key):
10685         Likewise.
10686
10687 2008-07-23  Ian Lance Taylor  <iant@google.com>
10688
10689         PR 6658
10690         * object.h (Merged_symbol_value::value): Do our best to handle a
10691         negative addend.
10692
10693         PR 6647
10694         * script.cc (Version_script_info::get_versions): Don't add empty
10695         version tag to return value.
10696         (Version_script_info::get_symbol_version_helper): Change return
10697         type to bool.  Add pversion parameter.  Change all callers.
10698         (script_register_vers_node): Don't require a non-NULL tag.
10699         * script.h (class Version_script_info): Update declarations.
10700         (Version_script_info::get_symbol_version): Change return type to
10701         bool.  Add version parameter.  Change all callers.
10702         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10703         handling.  Handle an empty version from a version script.
10704         (Symbol_table::define_special_symbol): Likewise.
10705         * testsuite/ver_test_10.script: New file.
10706         * testsuite/ver_test_10.sh: New file.
10707         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10708         (check_DATA): Add ver_test_10.syms.
10709         (ver_test_10.syms, ver_test_10.so): New target.
10710         * testsuite/Makefile.in: Rebuild.
10711
10712 2008-07-23  Simon Baldwin  <simonb@google.com>
10713
10714         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10715         to zero for undefined symbols from dynamic libraries.
10716
10717 2008-07-23  Ian Lance Taylor  <iant@google.com>
10718
10719         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10720         Change all callers.
10721         * symtab.h (class Symbol_table): Update declaration.
10722         * testsuite/ver_test_9.cc: New file.
10723         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10724         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10725         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10726         (ver_test_9.so, ver_test_9.o): New targets.
10727         * testsuite/Makefile.in: Rebuild.
10728
10729 2008-07-22  Ian Lance Taylor  <iant@google.com>
10730
10731         * options.h (class General_options): Define --check-sections.
10732         * layout.cc (Layout::set_segment_offsets): Handle
10733         --check-sections.
10734
10735         * options.h (class General_options): Define -n/--nmagic and
10736         -N/--omagic.
10737         * options.cc (General_options::finalize): For -n/--nmagic or
10738         -N/--omagic, set -static.
10739         * layout.cc (Layout::attach_allocated_section_to_segment): If
10740         -N/--omagic, don't put read-only and read-write sections in
10741         different segments.
10742         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10743         finding a read-only segment.
10744         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10745         don't set the minimum segment alignment to the common page size,
10746         and don't set the file offset to the address modulo the page size.
10747         * script-sections.cc (Script_sections::create_segments): If
10748         -n/--omagic, don't put read-only and read-write sections in
10749         different segments.
10750
10751         * cref.cc: New file.
10752         * cref.h: New file.
10753         * options.h (class General_options): Add --print-symbol-counts.
10754         * main.cc (main): Issue defined symbol report if requested.
10755         * archive.cc (Archive::interpret_header): Make into a const member
10756         function.
10757         (Archive::add_symbols): Call Input_objects::archive_start and
10758         archive_stop.
10759         (Archive::const_iterator): Define new class.
10760         (Archive::begin, Archive::end): New functions.
10761         (Archive::include_all_members): Rewrite to use iterator.
10762         (Archive::count_members): New function.
10763         * archive.h (class Archive): Update declarations.
10764         (Archive::filename): New function.
10765         * object.cc: Include "cref.h".
10766         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10767         (Sized_relobj::do_get_global_symbol_counts): New function.
10768         (Input_objects::add_object): Add object to cross-referencer.
10769         (Input_objects::archive_start): New function.
10770         (Input_objects::archive_stop): New function.
10771         (Input_objects::print_symbol_counts): New function.
10772         * object.h: Declare Cref and Archive.
10773         (Object::get_global_symbol_counts): New function.
10774         (Object::do_get_global_symbol_counts): New pure virtual function.
10775         (class Sized_relobj): Add defined_count_ field.  Update
10776         declarations.
10777         (class Input_objects): Add cref_ field.  Update constructor.
10778         Update declarations.
10779         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10780         defined_count_.
10781         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10782         symbol counts.
10783         (Sized_dynobj::do_get_global_symbol_counts): New function.
10784         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10785         defined_count_.  Update declarations.  Define Symbols typedef.
10786         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10787         parameter.  Change all callers.
10788         (Symbol_table::add_from_dynobj): Add sympointers and defined
10789         parameters.  Change all callers.
10790         * symtab.h (class Symbol_table): Update declarations.
10791         * Makefile.am (CCFILES): Add cref.cc.
10792         (HFILES): Add cref.h.
10793         * Makefile.in: Rebuild.
10794
10795 2008-07-22  Simon Baldwin  <simonb@google.com>
10796
10797         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10798         to zero when writing undefined symbols.
10799
10800 2008-07-22  Ian Lance Taylor  <iant@google.com>
10801
10802         * output.cc (Output_section::add_input_section): Don't try to
10803         merge empty merge sections.
10804
10805 2008-07-21  Craig Silverstein  <csilvers@google.com>
10806
10807         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10808         Include symbol version in error message.
10809
10810 2008-07-20  Chris Demetriou  <cgd@google.com>
10811
10812         * configure.ac (gold_cv_c_random_seed): New configured variable.
10813         (RANDOM_SEED_CFLAGS): New substituted variable.
10814         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10815         * configure: Rebuild.
10816         * Makefile.in: Likewise.
10817         * testsuite/Makefile.in: Likewise.
10818
10819 2008-07-18  Ian Lance Taylor  <iant@google.com>
10820
10821         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10822         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10823         * testsuite/ver_test_main.cc (main): Call t4.
10824         (t4, t4_2a): Define.
10825         * testsuite/ver_test_2.cc (t4_2): Define.
10826         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10827         * testsuite/ver_test_4.cc (t4_2a): Define.
10828         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10829         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10830
10831 2008-07-17  Ian Lance Taylor  <iant@google.com>
10832
10833         * dynobj.cc (Versions::add_def): If we give an error about a
10834         missing version, go ahead and create the version anyhow.
10835
10836 2008-07-10  Ian Lance Taylor  <iant@google.com>
10837
10838         Handle output sections with more than 0x7fffffff bytes.
10839         * object.h (class Relobj): Change map_to_output_ to
10840         output_sections_, and just keep a section pointer.  Change all
10841         uses.  Move comdat group support to Sized_relobj.
10842         (Relobj::is_section_specially_mapped): Remove.
10843         (Relobj::output_section): Remove poff parameter.  Change all
10844         callers.
10845         (Relobj::output_section_offset): New function.
10846         (Relobj::set_section_offset): Rewrite.
10847         (Relobj::map_to_output): Remove.
10848         (Relobj::output_sections): New function.
10849         (Relobj::do_output_section_offset): New pure virtual function.
10850         (Relobj::do_set_section_offset): Likewise.
10851         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10852         group support from Relobj.  Update declarations.
10853         (Sized_relobj::get_output_section_offset): New function.
10854         (Sized_relobj::do_output_section_offset): New function.
10855         (Sized_relobj::do_set_section_offset): New function.
10856         * object.cc (Relobj::output_section_address): Remove.
10857         (Sized_relobj::Sized_relobj): Initialize new fields.
10858         (Sized_relobj::include_section_group): Cast find_kept_object to
10859         Sized_relobj.
10860         (Sized_relobj::include_linkonce_section): Likewise.
10861         (Sized_relobj::do_layout): Use separate arrays for output section
10862         and output offset.
10863         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10864         output_sections.
10865         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10866         output_sections and section_offsets.
10867         (Sized_relobj::write_local_symbols): Likewise.
10868         (map_to_kept_section): Compute output address directly.
10869         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10870         output_sections and section_offsets.
10871         (Sized_relobj::write_sections): Likewise.
10872         (Sized_relobj::relocate_sections): Likewise.
10873         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10874         * output.h (class Output_reloc): Update declarations.  Change
10875         u2_.relobj to Sized_relobj*.
10876         (class Output_data_reloc): Change add functions to use
10877         Sized_relobj*.
10878         * output.cc (Output_reloc::Output_reloc): Change relobj to
10879         Sized_relobj*.
10880         (Output_reloc::local_section_offset): Change return type to
10881         Elf_Addr.  Use get_output_section_offset.
10882         (Output_reloc::get_address): Likewise.
10883         (Output_section::is_input_address_mapped): Don't call
10884         is_section_specially_mapped.
10885         (Output_section::output_offset): Likewise.
10886         (Output_section::output_address): Likewise.
10887         (Output_section::starting_output_address): Likewise.
10888         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10889         parameter to Sized_relobj*.
10890         (Copy_relocs::need_copy_reloc): Likewise.
10891         (Copy_relocs::save): Likewise.
10892         * copy-relocs.h (class Copy_relocs): Update declarations.
10893         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10894         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10895         * target-reloc.h (relocate_for_relocatable): Change
10896         offset_in_output_section type to Elf_Addr.  Change code that uses
10897         it as well.
10898         * layout.cc (Layout::layout): Always set *off.
10899         * mapfile.cc (Mapfile::print_input_section): Use
10900         output_section_offset.
10901         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10902         Sized_relobj*.
10903         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10904         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10905         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10906
10907 2008-07-03  Ian Lance Taylor  <iant@google.com>
10908
10909         * layout.cc (Layout::include_section): Do not discard unrecognized
10910         SHT_STRTAB sections.
10911
10912 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10913
10914         * script.cc (Lex::can_continue_name): Make '?' allowable in
10915         version-script names.
10916         * testsuite/version_script.map: Change glob pattern to use '?'
10917
10918 2008-06-30  Manish Singh  <yosh@gimp.org>
10919
10920         PR 6585
10921         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10922         Correct typo.
10923
10924 2008-06-30  Ian Lance Taylor  <iant@google.com>
10925
10926         PR 6660
10927         PR 6682
10928         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10929         versions]: Don't try to read the value in the contents, since we
10930         don't use it.  Use the template endianness when writing.
10931
10932 2008-06-25  Cary Coutant  <ccoutant@google.com>
10933
10934         * fileread.cc (File_read::make_view): Assert on zero-length view.
10935         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10936         symbol table when there are no symbols to read.
10937
10938 2008-06-23  Craig Silverstein  <csilvers@google.com>
10939
10940         * version.cc (version_string): Bump to 1.7
10941
10942 2008-06-18  Craig Silverstein  <csilvers@google.com>
10943
10944         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10945         constant 0xFFFF to type Valtype.
10946         (Powerpc_relocate_functions::rel16_ha): Likewise.
10947
10948 2008-06-17  Ian Lance Taylor  <iant@google.com>
10949
10950         * output.h (Output_section::Input_section): Initialize p2align_ to
10951         zero for Output_section_data constructors.
10952         (Output_section::Input_section::addralign): If not an input
10953         section, return the alignment of the Output_section_data.
10954         * testsuite/copy_test.cc: New file.
10955         * testsuite/copy_test_1.cc: New file.
10956         * testsuite/copy_test_2.cc: New file.
10957         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10958         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10959         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10960         (copy_test_1_pic.o, copy_test_1.so): New targets.
10961         (copy_test_2_pic.o, copy_test_2.so): New targets.
10962         * testsuite/Makefile.in: Rebuild.
10963
10964         * script-sections.cc (Script_sections::place_orphan): Initialize
10965         local variable exact.
10966
10967 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10968
10969         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10970
10971 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10972             David S. Miller  <davem@davemloft.net>
10973
10974         * powerpc.cc: New file.
10975         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10976         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10977         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10978         * Makefile.in: Rebuild.
10979
10980 2008-06-09  Ian Lance Taylor  <iant@google.com>
10981
10982         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10983         <exception>.
10984         (throwing, orig_terminate): New static variables.
10985         (terminate_handler): New static function.
10986         (t2): Set terminate handler.
10987
10988 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10989
10990         PR 6584
10991         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10992         alignment.
10993
10994 2008-05-30  Cary Coutant  <ccoutant@google.com>
10995
10996         * archive.cc (Archive::include_all_members) Correct to step
10997         over symbol table and extended name table in thin archives.
10998
10999 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11000
11001         PR 6407
11002         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11003         calculation.
11004
11005 2008-05-28  Caleb Howe  <cshowe@google.com>
11006
11007         * reduced_debug_output.cc: New file.
11008         * reduced_debug_output.h: New file.
11009         * options.h (class General_options): Add --strip-debug-non-line.
11010         * options.cc (General_options::finalize): Add strip_debug_non_line
11011         to the strip heirarchy.
11012         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11013         fields.
11014         * layout.cc: Include "reduced_debug_output.h".
11015         (Layout::Layout): Initialize new fields.
11016         (line_only_debug_sections): New static array.
11017         (is_lines_only_debug_sections): New static inline function.
11018         (Layout::include_section): Handle --strip-debug-non-line.
11019         (Layout::make_output_section): If --strip-debug-non-line, build
11020         new output sections for .debug_abbrev and .debug_info.
11021         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11022         gold.  Warn about possible overflow.
11023         (read_signed_LEB_128): Likewise.
11024         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11025         (read_signed_LEB_128): Declare.
11026         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11027         (HFILES): Add reduced_debug_output.h.
11028         * Makefile.in: Rebuild.
11029
11030 2008-05-21  Ian Lance Taylor  <iant@google.com>
11031
11032         * mapfile.cc: New file.
11033         * mapfile.h: New file.
11034         * options.h (class General_options): Add -M/--print-map and -Map.
11035         * options.cc (General_options::finalize): Make -M equivalent to
11036         -Map -.
11037         * main.cc: Include <cstdio> and "mapfile.h".
11038         (main): Open mapfile if requested.
11039         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11040         constructor.  Change caller.
11041         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11042         (queue_middle_tasks): Likewise.
11043         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11044         declarations.
11045         * archive.cc: Include "mapfile.h".
11046         (Archive::add_symbols): Add mapfile parameter.  Change all
11047         callers.  Pass mapfile, symbol, and reason to include_member.
11048         (Archive::include_all_members): Add mapfile parameter.  Change all
11049         callers.
11050         (Archive::include_member): Add mapfile, sym, and why parameters.
11051         Change all callers.  Report inclusion to map file.
11052         * archive.h: Include "fileread.h".
11053         (class Archive): Update declarations.
11054         (Archive::file): New const method.
11055         (class Add_archive_symbols): Add mapfile_ field.  Update
11056         constructor.  Change all callers.
11057         * readsyms.h (class Read_symbols): Likewise.
11058         (class Finish_group): Likewise.
11059         (class Read_script): Likewise.
11060         * common.cc: Include "mapfile.h".
11061         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11062         all callers.
11063         (Symbol_table::do_allocate_commons): Likewise.
11064         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11065         symbol allocation to mapfile.
11066         * common.h (class Allocate_commons_task): Add mapfile_ field.
11067         Update constructor.  Change all callers.
11068         * symtab.h (class Symbol_table): Update declarations.
11069         * layout.cc: Include "mapfile.h".
11070         (Layout_task_runner::run): Print information to mapfile.
11071         (Layout::create_gold_note): Change Output_data_fixed_space to
11072         Output_data_zero_fill.
11073         (Layout::create_build_id): Likewise.
11074         (Layout::print_to_mapfile): New function.
11075         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11076         constructor.  Change caller.
11077         (class Layout): Declare print_to_mapfile.
11078         * output.cc (Output_section::Input_section::print_to_mapfile): New
11079         function.
11080         (Output_section::add_input_section): If producing a map, always
11081         add to input_sections_ list.
11082         (Output_section::do_print_to_mapfile): New function.
11083         (Output_segment::print_sections_to_mapfile): New function.
11084         (Output_segment::print_section_list_to_mapfile): New function.
11085         * output.h: Include "mapfile.h".
11086         (Output_data::print_to_mapfile): New function.
11087         (Output_data::do_print_to_mapfile): New virtual function.
11088         (Output_segment_headers::do_print_to_mapfile): New function.
11089         (Output_file_header::do_print_to_mapfile): New function.
11090         (Output_data_const::do_print_to_mapfile): New function.
11091         (class Output_data_const_buffer): Add map_name_ field.  Update
11092         constructor.  Change all callers.  Add do_print_to_mapfile
11093         function.
11094         (class Output_data_fixed_space): Likewise.
11095         (class Output_data_space): Likewise.
11096         (class Output_data_zero_fill): New class.
11097         (Output_data_strtab::do_print_to_mapfile): New function.
11098         (Output_data_reloc_base::do_print_to_mapfile): New function.
11099         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11100         (Output_data_group::do_print_to_mapfile): New function.
11101         (Output_data_got::do_print_to_mapfile): New function.
11102         (Output_data_dynamic::do_print_to_mapfile): New function.
11103         (Output_symtab_xindex::do_print_to_mapfile): New function.
11104         (class Output_section): Declare do_print_to_mapflie.  Declare
11105         print_to_mapfile in Input_section.
11106         (class Output_segment): Declare new functions.
11107         * object.h (Sized_relobj::symbol_count): New function.
11108         * script-sections.cc
11109         (Output_section_element_dot_assignment::set_section_addresses):
11110         Change Output_data_fixed_space to Output_data_zero_fill.
11111         (Output_data_expression::do_print_to_mapfile): New function.
11112         * script.cc (read_input_script): Add mapfile parameter.  Change
11113         all callers.
11114         * script.h (read_input_script): Update declaration.
11115         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11116         (Eh_frame::do_print_to_mapfile): New function.
11117         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11118         (Output_merge_string::do_print_to_mapfile): New function.
11119         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11120         function.
11121         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11122         function.
11123         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11124         function.
11125         * Makefile.am (CCFILES): Add mapfile.cc.
11126         (HFILES): Add mapfile.h.
11127         * Makefile.in: Rebuild.
11128
11129 2008-05-19  Ian Lance Taylor  <iant@google.com>
11130
11131         * options.h (class General_options): Add -z relro.
11132         * layout.cc (Layout::Layout): Initialize relro_segment_.
11133         (Layout::add_output_section_data): Return the output section.
11134         (Layout::make_output_section): Rcognize relro sections and mark
11135         them appropriately.
11136         (Layout::attach_allocated_section_to_segment): Put relro sections
11137         in a PT_GNU_RELRO segment.
11138         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11139         section as relro.
11140         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11141         PT_TLS segments.
11142         (Layout::linkonce_mapping): Map d.rel.ro.local to
11143         .data.rel.ro.local.
11144         (Layout::output_section_name): Us .data.rel.ro.local for any
11145         section which begins with that.
11146         * layout.h (class Layout): Update add_output_section_data
11147         declaration.  Add relro_segment_ field.
11148         * output.cc (Output_section::Output_section): Initialize is_relro_
11149         and is_relro_local_ fields.
11150         (Output_segment::add_output_section): Group relro sections.
11151         (Output_segment::is_first_section_relro): New function.
11152         (Output_segment::maximum_alignment): If there is a relro section,
11153         align the segment to the common page size.
11154         (Output_segment::set_section_addresses): Track whether we are
11155         looking at relro sections.  If the last section is a relro
11156         section, align to the common page size.
11157         (Output_segment::set_section_list_addresses): Add in_relro
11158         parameter.  Change all callers.  Align to the page size when
11159         moving from relro to non-relro section.
11160         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11161         segment.
11162         * output.h (class Output_section): Add is_relro_ and
11163         is_relro_local_ fields.
11164         (Output_section::is_relro): New function.
11165         (Output_section::set_is_relro): New function.
11166         (Output_section::is_relro_local): New function.
11167         (Output_section::set_is_relro_local): New function.
11168         (class Output_segment): Update declarations.
11169         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11170         * sparc.cc (Target_sparc::got_section): Likewise.
11171         * x86_64.cc (Target_x86_64::got_section): Likewise.
11172         * testsuite/relro_test_main.cc: New file.
11173         * testsuite/relro_test.cc: New file.
11174         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11175         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11176         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11177         (relro_test.so, relro_test_pic.o): New targets.
11178         * testsuite/Makefile.in: Rebuild.
11179
11180 2008-05-16  Ian Lance Taylor  <iant@google.com>
11181
11182         * output.cc (Output_segment::add_output_section): Remove front
11183         parameter.
11184         * output.h (class Output_segment): Remove
11185         add_initial_output_section and overloaded add_output_section.
11186         Update declaration of remaining add_output_section.
11187         * layout.cc (Layout::create_interp): Call add_output_section
11188         rather than add_initial_output_section.
11189         (Layout::finish_dynamic_section): Likewise.
11190
11191         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11192         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11193         know the dynamic type.
11194         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11195         field.  Initialize it in constructor.
11196         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11197         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11198         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11199         reloc.
11200
11201         * output.cc (Output_reloc::get_address): Change return type to
11202         Elf_Addr.
11203         * output.h (class Output_reloc): Update get_address declaration.
11204         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11205         for section addresses.
11206
11207 2008-05-09  Ian Lance Taylor  <iant@google.com>
11208
11209         PR 6493
11210         * gold.cc (gold_nomem): Use return value of write.
11211
11212 2008-05-08  Ian Lance Taylor  <iant@google.com>
11213
11214         * symtab.c (Symbol::init_base_output_data): Add version
11215         parameter.  Change all callers.
11216         (Symbol::init_base_output_segment): Likewise.
11217         (Symbol::init_base_constant): Likewise.
11218         (Symbol::init_base_undefined): Likewise.
11219         (Sized_symbol::init_output_data): Likewise.
11220         (Sized_symbol::init_output_segment): Likewise.
11221         (Sized_symbol::init_constant): Likewise.
11222         (Sized_symbol::init_undefined): Likewise.
11223         (Symbol_table::do_define_in_output_data): If the new symbol has a
11224         version, mark it as the default.
11225         (Symbol_table::do_define_in_output_segment): Likewise.
11226         (Symbol_table::do_define_as_constant): Likewise.
11227         * symtab.h (class Symbol): Update declarations.
11228         (class Sized_symbol): Likewise.
11229         * resolve.cc (Symbol::override_version): New function.
11230         (Symbol::override_base): Call override_version.
11231         (Symbol::override_base_with_special): Likewise.
11232         * testsuite/ver_script_8.script: New file.
11233         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11234         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11235         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11236         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11237
11238 2008-05-06  Ian Lance Taylor  <iant@google.com>
11239
11240         PR 6049
11241         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11242         functions.
11243         (class General_options): Remove existing --undefined, and add
11244         --no-undefined instead.  Add new --undefined as synonym for -u.
11245         * archive.cc (Archive::add_symbols): Check whether symbol was
11246         named with -u.
11247         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11248         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11249         all uses.  Add IS_UNDEFINED.  Update declarations to split
11250         different versions of init_base.  Declare init_base_undefined.
11251         (Symbol::is_defined): Handle IS_UNDEFINED.
11252         (Symbol::is_undefined): Likewise.
11253         (Symbol::is_weak_undefined): Call is_undefined.
11254         (Symbol::is_absolute): Handle IS_CONSTANT.
11255         (class Sized_symbol): Update declarations to split different
11256         versions of init.  Declare init_undefined.
11257         (class Symbol_table): Declare new functions.
11258         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11259         Change all callers.
11260         (Symbol::init_base_output_data): Likewise.
11261         (Symbol::init_base_output_segment): Likewise.
11262         (Symbol::init_base_constant): Likewise.
11263         (Symbol::init_base_undefined): New function.
11264         (Sized_symbol::init_object): Rename from init.  Change all
11265         callers.
11266         (Sized_symbol::init_output_data): Likewise.
11267         (Sized_symbol::init_output_segment): Likewise.
11268         (Sized_symbol::init_constant): Likewise.
11269         (Sized_symbol::init_undefined): New function.
11270         (Symbol_table::add_undefined_symbols_from_command_line): New
11271         function.
11272         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11273         function.
11274         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11275         (Symbol::output_section): Likewise.
11276         (Symbol::set_output_section): Likewise.
11277         (Symbol_table::sized_finalize_symbol): Likewise.
11278         (Symbol_table::sized_write_globals): Likewise.
11279         * resolve.cc (Symbol_table::should_override): Likewise.
11280         (Symbol::override_base_with_special): Likewise.
11281
11282         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11283         symbol, change it to have default visibility.
11284         * testsuite/protected_1.cc: New file.
11285         * testsuite/protected_2.cc: New file.
11286         * testsuite/protected_3.cc: New file.
11287         * testsuite/protected_main_1.cc: New file.
11288         * testsuite/protected_main_2.cc: New file.
11289         * testsuite/protected_main_3.cc: New file.
11290         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11291         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11292         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11293         (protected_1.so): New target.
11294         (protected_1_pic.o, protected_2_pic.o): New targets.
11295         (protected_3_pic.o): New target.
11296         (check_PROGRAMS): Add protected_2.
11297         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11298         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11299         * testsuite/Makefile.in: Rebuild.
11300
11301         * options.h (DEFINE_var): Add set_user_set_##varname__.
11302         (DEFINE_bool_alias): New macro.
11303         (class General_options): Define -Bstatic using DEFINE_bool_alias
11304         rather than DEFINE_special.  Add --undefined as an alias for -z
11305         defs.
11306         * options.cc (General_options::parse_Bstatic): Remove.
11307
11308         * options.h (class General_options): Add --fatal-warnings.
11309         * main.cc (main): Implement --fatal-warnings.
11310         * errors.h (Errors::warning_count): New function.
11311
11312         * options.h (class General_options): Add -Bsymbolic-functions.
11313         * symtab.h (Symbol::is_preemptible): Check for
11314         -Bsymbolic-functions.
11315
11316 2008-05-05  Ian Lance Taylor  <iant@google.com>
11317
11318         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11319         as noVARNAME rather than no-VARNAME.
11320         (class General_options): Add option -z combreloc.
11321         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11322         get_address.
11323         (Output_reloc::sort_before) [SHT_REL]: New function.
11324         (Output_reloc::sort_before) [SHT_RELA]: New function.
11325         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11326         Sort_relocs_comparison.
11327         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11328         parameter.  Change all callers.
11329         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11330         sort_relocs parameter.  Change all callers.
11331         * output.cc (Output_reloc::get_address): New function, broken out
11332         of write_rel.
11333         (Output_reloc::write_rel): Call it.
11334         (Output_reloc::compare): New function.
11335         (Output_data_reloc_base::do_write): Optionally sort relocs.
11336
11337         * configure.ac: If targ_extra_obj is set, link it in.
11338         * configure.tgt: Initialize all variables.
11339         (x86_64*): Set targ_extra_obj and targ_extra_size.
11340         * configure: Rebuild.
11341
11342         * object.cc (Sized_relobj::include_section_group): Adjust section
11343         indexes read from group data.  Build vector to pass to
11344         layout_group.
11345         * layout.cc (Layout::layout_group): Add flags and shndxes
11346         parameters.  Remove contents parameter.  Change caller.  Update
11347         explicit instantiations.
11348         * layout.h (class Layout): Update layout_group declaration.
11349         * output.cc (Output_data_group::Output_data_group): Add flags and
11350         input_shndxes parameters.  Remove contents parameter.  Change
11351         caller.
11352         (Output_data_group::do_write): Change input_sections_ to
11353         input_shndxes_.
11354         * output.h (class Output_data_group): Update constructor
11355         declaration.  Rename input_sections_ to input_shndxes_.
11356         * testsuite/many_sections_test.cc: Add template.
11357
11358 2008-04-30  Cary Coutant  <ccoutant@google.com>
11359
11360         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11361
11362         * layout.cc (Layout::include_section): Refactored check for debug
11363         info section.
11364         (Layout::add_comdat): Add new parameters.  Change type
11365         of signature parameter.  Add object and shndx to signatures table.
11366         (Layout::find_kept_object): New function.
11367         * layout.h: Include <cstring>.
11368         (Layout::is_debug_info_section): New function.
11369         (Layout::add_comdat): Add new parameters.
11370         (Layout::find_kept_object): New function.
11371         (Layout::Kept_section): New struct.
11372         (Layout::Signatures): Change type of map range.
11373         * object.cc (Relobj::output_section_address): New function.
11374         (Sized_relobj::include_section_group): Add new parameters.  Change
11375         calls to Layout::add_comdat.  Change to build table of kept comdat
11376         groups and table mapping discarded sections to kept sections.
11377         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11378         (Sized_relobj::do_layout): Change calls to include_section_group and
11379         include_linkonce_section.
11380         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11381         value to zero when section is discarded.
11382         (Sized_relobj::map_to_kept_section): New function.
11383         * object.h (Relobj::output_section_address): New function.
11384         (Relobj::Comdat_group): New type.
11385         (Relobj::find_comdat_group): New function.
11386         (Relobj::Comdat_group_table): New type.
11387         (Relobj::Kept_comdat_section): New type.
11388         (Relobj::Kept_comdat_section_table): New type.
11389         (Relobj::add_comdat_group): New function.
11390         (Relobj::set_kept_comdat_section): New function.
11391         (Relobj::get_kept_comdat_section): New function.
11392         (Relobj::comdat_groups_): New field.
11393         (Relobj::kept_comdat_sections_): New field.
11394         (Symbol_value::input_value): Update comment.
11395         (Sized_relobj::map_to_kept_section) New function.
11396         (Sized_relobj::include_linkonce_section): Add new parameter.
11397         * target-reloc.h (Comdat_behavior): New type.
11398         (get_comdat_behavior): New function.
11399         (relocate_section): Add code to map a discarded section to the
11400         corresponding kept section when applying a relocation.
11401
11402 2008-04-30  Craig Silverstein  <csilvers@google.com>
11403
11404         * dwarf_reader.cc (next_generation_count): New static var.
11405         (Addr2line_cache_entry): New struct.
11406         (addr2line_cache): New static var.
11407         (Dwarf_line_info::one_addr2line): Added caching.
11408         (Dwarf_line_info::clear_addr2line_cache): New function.
11409         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11410         cache-size parameter.
11411         (Dwarf_line_info::one_addr2line_cache): New function.
11412         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11413         new cache-size argument to one_addr2line(), and clear cache.
11414
11415 2008-04-28  Cary Coutant  <ccoutant@google.com>
11416
11417         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11418         R_386_PC8 relocations.
11419
11420 2008-04-23  Ian Lance Taylor  <iant@google.com>
11421
11422         * object.cc (Sized_relobj::include_section_group): Check for
11423         invalid section group.
11424
11425         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11426         header size.
11427
11428         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11429         than read for file header.
11430         * archive.cc (Archive::include_member): Likewise.
11431
11432 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11433
11434         * aclocal.m4: Regenerate.
11435         * configure: Regenerate.
11436
11437 2008-04-19  Ian Lance Taylor  <iant@google.com>
11438
11439         * version.cc (version_string): Bump to 1.6.
11440
11441         * testsuite/Makefile.am (many_sections_r_test): New target.
11442         (many_sections_r_test_SOURCES): Remove.
11443         (many_sections_r_test_DEPENDENCIES): Remove.
11444         (many_sections_r_test_LDFLAGS): Remove.
11445         (many_sections_r_test_LDADD): Remove.
11446
11447         * object.cc (Sized_relobj::do_add_symbols): Always pass
11448         local_symbol_count_ to add_from_relobj.
11449
11450         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11451         every thousand variables.
11452         * testsuite/Makefile.in: Rebuild.
11453
11454         * object.cc (Xindex::initialize_symtab_xindex): New function.
11455         (Xindex::read_symtab_xindex): New function.
11456         (Xindex::sym_xindex_to_shndx): New function.
11457         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11458         available.
11459         (Sized_relobj::do_initialize_xindex): New function.
11460         (Sized_relobj::do_read_symbols): Adjust section links.
11461         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11462         parameter.  Change all callers.
11463         (Sized_relobj::include_section_group): Adjust section links and
11464         symbol section indexes.
11465         (Sized_relobj::do_layout): Adjust section links.
11466         (Sized_relobj::do_count_local_symbols): Adjust section links and
11467         symbol section indexes.
11468         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11469         ordinary and special symbols.
11470         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11471         dynsym_xindex parameters.  Change all callers.  Adjust section
11472         links.  Use SHN_XINDEX when needed.
11473         (Sized_relobj::get_symbol_location_info): Adjust section links.
11474         Don't get fooled by special symbols.
11475         * object.h (class Xindex): Define.
11476         (class Object): Add xindex_ parameter.  Declare virtual functoin
11477         do_initialize_xindex.
11478         (Object::adjust_sym_shndx): New function.
11479         (Object::set_xindex): New protected function.
11480         (class Symbol_value): Add is_ordinary_shndx_ field.
11481         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11482         (Symbol_value::value): Assert ordinary section.
11483         (Symbol_value::initialize_input_to_output_map): Likewise.
11484         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11485         Change all callers.
11486         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11487         all callers.
11488         (class Sized_relobj): Update declarations.
11489         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11490         parameter.  Change all callers.
11491         (Sized_relobj::adjust_shndx): New function.
11492         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11493         field.
11494         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11495         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11496         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11497         (Sized_dynobj::read_dynsym_section): Adjust section links.
11498         (Sized_dynobj::read_dynamic): Likewise.
11499         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11500         section links.
11501         (Sized_dynobj::do_initialize_xindex): New function.
11502         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11503         do_initialize_xindex.
11504         (Sized_dynobj::adjust_shndx): New function.
11505         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11506         dynsym_xindex_ fields.
11507         (Layout::finalize): Add a call to set_section_indexes before
11508         creating the symtab sections.
11509         (Layout::set_section_indexes): Don't do anything if the section
11510         already has a section index.
11511         (Layout::create_symtab_sections): Add shnum parameter.  Change
11512         caller.  Create .symtab_shndx section if needed.
11513         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11514         caller.
11515         (Layout::allocated_output_section_count): New function.
11516         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11517         needed.
11518         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11519         fields.  Update declarations.
11520         (Layout::symtab_xindex): New function.
11521         (Layout::dynsym_xindex): New function.
11522         (class Write_symbols_task): Add layout_ field.
11523         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11524         Change caller.
11525         * output.cc (Output_section_headers::Output_section_headers): Add
11526         shstrtab_section parameter.  Change all callers.
11527         (Output_section_headers::do_sized_write): Store overflow values
11528         for section count and section string table section index in
11529         section header zero.
11530         (Output_file_header::do_sized_write): Check for overflow of
11531         section count and section string table section index.
11532         (Output_symtab_xindex::do_write): New function.
11533         (Output_symtab_xindex::endian_do_write): New function.
11534         * output.h (class Output_section_headers): Add shstrtab_section_.
11535         Update declarations.
11536         (class Output_symtab_xindex): Define.
11537         (Output_section::has_out_shndx): New function.
11538         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11539         field.
11540         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11541         Change all callers.
11542         (Sized_symbol::init): Likewise.
11543         (Symbol::output_section): Check for ordinary symbol.
11544         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11545         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11546         callers.
11547         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11548         Change all callers.  Simplify handling of symbols from sections
11549         not included in the link.
11550         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11551         distinction.
11552         (Weak_alias_sorter::operator()): Assert that symbols are
11553         ordinary.
11554         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11555         distinction.
11556         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11557         parameters.  Change all callers.
11558         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11559         symbol distinction.  Use SHN_XINDEX when needed.
11560         (Symbol_table::write_section_symbol): Add symtab_xindex
11561         parameter.  Change all callers.
11562         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11563         SHN_XINDEX when needed.
11564         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11565         declarations.
11566         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11567         (Symbol::is_defined): Check is_ordinary.
11568         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11569         (Symbol::is_absolute, Symbol::is_common): Likewise.
11570         (class Sized_symbol): Update declarations.
11571         (class Symbol_table): Update declarations.
11572         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11573         parameters.  Change all callers.
11574         (Sized_symbol::override): Likewise.
11575         (Symbol_table::override): Likewise.
11576         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11577         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11578         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11579         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11580         to be in an ordinary section.
11581         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11582         object and is_ordinary parameters.  Change all callers.
11583         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11584         Change all callers.  Don't add undefined or non-ordinary symbols
11585         to reloc_map_.
11586         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11587         Change all callers.
11588         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11589         declarations.
11590         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11591         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11592         (Sized_relobj::relocate_sections): Likewise.
11593         * target-reloc.h (scan_relocs): Adjust section symbol index.
11594         (scan_relocatable_relocs): Likewise.
11595         * i386.cc (Scan::local): Check for ordinary symbols.
11596         * sparc.cc (Scan::local): Likewise.
11597         * x86_64.cc (Scan::local): Likewise.
11598         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11599         to symbol_section_and_value.
11600         * testsuite/many_sections_test.cc: New file.
11601         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11602         (check_PROGRAMS): Add many_sections_test.
11603         (many_sections_test_SOURCES): Define.
11604         (many_sections_test_DEPENDENCIES): Define.
11605         (many_sections_test_LDFLAGS): Define.
11606         (BUILT_SOURCES): Add many_sections_define.h.
11607         (many_sections_define.h): New target.
11608         (BUILT_SOURCES): Add many_sections_check.h.
11609         (many_sections_check.h): New target.
11610         (check_PROGRAMS): Add many_sections_r_test.
11611         (many_sections_r_test_SOURCES): Define.
11612         (many_sections_r_test_DEPENDENCIES): Define.
11613         (many_sections_r_test_LDFLAGS): Define.
11614         (many_sections_r_test_LDADD): Define.
11615         (many_sections_r_test.o): New target.
11616         * testsuite/Makefile.in: Rebuild.
11617
11618 2008-04-17  Cary Coutant  <ccoutant@google.com>
11619
11620         * errors.cc (Errors::info): New function.
11621         (gold_info): New function.
11622         * errors.h (Errors::info): New function.
11623         * gold.h (gold_info): New function.
11624         * object.cc (Input_objects::add_object): Print trace output.
11625         * options.cc (options::parse_set): New function.
11626         (General_options::parse_wrap): Deleted.
11627         (General_options::General_options): Deleted initializer.
11628         * options.h (options::String_set): New typedef.
11629         (options::parse_set): New function.
11630         (DEFINE_set): New macro.
11631         (General_options::wrap): Changed to use DEFINE_set. Changed
11632         callers of any_wrap_symbols and is_wrap_symbol.
11633         (General_options::trace, General_options::trace_symbol):
11634         New options.
11635         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11636         (General_options::wrap_symbols_): Deleted.
11637         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11638
11639 2008-04-17  David S. Miller  <davem@davemloft.net>
11640
11641         * options.cc (General_options::parse_V): New function.
11642         * options.h: Add entries for -V and -Qy.
11643
11644 2008-04-17  Ian Lance Taylor  <iant@google.com>
11645
11646         * common.cc (Symbol_table::allocate_commons): Remove options
11647         parameter.  Change caller.
11648         (Symbol_table::do_allocate_commons): Remove options parameter.
11649         Change caller.  Just call do_allocate_commons_list twice.
11650         (Symbol_table::do_allocate_commons_list): New function, broken out
11651         of do_allocate_commons.
11652         * common.h (class Allocate_commons_task): Remove options_ field.
11653         Update constructor.
11654         * symtab.cc (Symbol_table::Symbol_table): Initialize
11655         tls_commons_.
11656         (Symbol_table::add_from_object): Put TLS common symbols on
11657         tls_commons_ list.
11658         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11659         which are IN_OUTPUT_DATA.
11660         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11661         allocate_commons and do_allocate_commons declarations.  Declare
11662         do_allocate_commons_list.
11663         * gold.cc (queue_middle_tasks): Update creation of
11664         Allocate_commons_task to not pass options.
11665         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11666         (TLS_TEST_C_FLAGS): New variable.
11667         (tls_test_c_pic.o): New target.
11668         (tls_test_shared.so): Link in tls_test_c_pic.o.
11669         (tls_test_c_pic_ie.o): New target.
11670         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11671         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11672         (tls_test_c.o): New target.
11673         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11674         (tls_pic_test_LDADD): Likewise.
11675         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11676         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11677         (tls_test_c_gnu2.o): New target.
11678         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11679         tls_test_c_gnu2.o.
11680         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11681         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11682         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11683         * testsuite/tls_test.cc: Include "config.h".
11684         (t_last): Call t11_last.
11685         * testsuite/tls_test.h (t11, t11_last): Declare.
11686         * testsuite/tls_test_c.c: New file.
11687         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11688         * configure.ac: Check for OpenMP support.
11689         * configure, config.in, Makefile.in: Rebuild.
11690         * testsuite/Makefile.in: Rebuild.
11691
11692 2008-04-16  Cary Coutant  <ccoutant@google.com>
11693
11694         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11695         (Target_i386::tls_base_symbol_defined_): New field.
11696         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11697         (Target_i386::Scan::global): Likewise.
11698         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11699         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11700         (Target_x86_64::tls_base_symbol_defined_): New field.
11701         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11702         (Target_x86_64::Scan::global): Likewise.
11703
11704 2008-04-16  Cary Coutant  <ccoutant@google.com>
11705
11706         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11707         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11708         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11709         building shared libraries.
11710         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11711         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11712         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11713         * testsuite/Makefile.in: Rebuild.
11714         * testsuite/weak_undef.h: New file.
11715         * testsuite/weak_undef_file1.cc: Add extra test cases.
11716         * testsuite/weak_undef_file2.cc: Likewise.
11717         * testsuite/weak_undef_test.cc: Likewise.
11718
11719 2008-04-16  David S. Miller  <davem@davemloft.net>
11720
11721         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11722         Add issued_non_pic_error_ field.  Declare check_non_pic.
11723         (Target_sparc::Scan::check_non_pic): New function.
11724         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11725         (Target_sparc::Scan::global): Likewise.
11726
11727         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11728         * configure: Rebuild.
11729
11730         * options.h (DEFINE_enable): New macro.
11731         (new_dtags): New enable option.
11732         (initfirst, interpose, loadfltr, nodefaultlib,
11733         nodelete, nodlopen, nodump): New -z options.
11734         * layout.cc (Layout:finish_dynamic_section): If new
11735         dtags enabled, emit DT_RUNPATH.  Also, emit a
11736         DT_FLAGS_1 containing any specified -z flags.
11737
11738 2008-04-16  Ian Lance Taylor  <iant@google.com>
11739
11740         * copy-relocs.cc: New file.
11741         * copy-relocs.h: New file.
11742         * reloc.cc: Remove Copy_relocs code.
11743         * reloc.h: Likewise.
11744         * reloc-types.h (struct Reloc_types) [both versions]: Add
11745         get_reloc_addend_noerror.
11746         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11747         variants of add_global which take an addend which must be zero.
11748         * i386.cc: Include "copy-relocs.h".
11749         (class Target_i386): Change type of copy_relocs_ to variable,
11750         update initializer.
11751         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11752         Change all callers.
11753         (Target_i386::do_finalize_sections): Change handling of
11754         copy_relocs_.
11755         * sparc.cc: Include "copy-relocs.h".
11756         (class Target_sparc): Change type of copy_relocs_ to variable,
11757         update initializer.
11758         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11759         Change all callers.
11760         (Target_sparc::do_finalize_sections): Change handling of
11761         copy_relocs_.
11762         * x86_64.cc: Include "copy-relocs.h".
11763         (class Target_x86_64): Change type of copy_relocs_ to variable,
11764         update initializer.
11765         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11766         class.  Change all callers.
11767         (Target_x86_64::do_finalize_sections): Change handling of
11768         copy_relocs_.
11769         * Makefile.am (CCFILES): Add copy-relocs.cc.
11770         (HFILES): Add copy-relocs.h.
11771
11772         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11773
11774         * testsuite/script_test_4.sh: Permit leading zeroes.
11775
11776 2008-04-15  Ian Lance Taylor  <iant@google.com>
11777
11778         * script-sections.cc (Script_sections::create_segments): Use
11779         header_size_adjustment even when there is enough room for the
11780         headers.
11781         * testsuite/script_test_4.sh: New file.
11782         * testsuite/script_test_4.t: New file.
11783         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11784         (check_DATA): Add script_test_4.stdout.
11785         (MOSTLYCLEANFILES): Likewise.
11786         (script_test_4): New target.
11787         (script_test_4.stdout): New target.
11788         * testsuite/Makefile.in: Rebuild.
11789
11790         * sparc.cc: Add definitions for Output_data_plt_sparc class
11791         constants.
11792
11793 2008-04-14  David S. Miller  <davem@davemloft.net>
11794
11795         * sparc.cc: New file.
11796         * Makefile.am (TARGETSOURCES): Add sparc.cc
11797         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11798         * configure.tgt: Document targ_extra_size and
11799         targ_extra_big_endian.  Add entries for sparc-* and
11800         sparc64-*.
11801         * configure.ac: Handle targ_extra_size and
11802         targ_extra_big_endian.
11803         * Makefile.in: Rebuild.
11804         * configure: Likewise.
11805         * po/POTFILES.in: Likewise.
11806         * po/gold.pot: Likewise.
11807
11808 2008-04-14  Ian Lance Taylor  <iant@google.com>
11809
11810         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11811         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11812         in the name/type/flags to section mapping.  Don't call
11813         allocate_output_section.
11814         (Layout::choose_output_section): Change parameter from adjust_name
11815         to is_input_section.  Don't permit input sections after sections
11816         are attached to segments.  Don't call allocate_output_section.
11817         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11818         not write_enable_output_section.
11819         (Layout::make_output_section): Don't push to
11820         unattached_section_list_ nor call attach_to_segment.  Call
11821         attach_section_to_segment if sections are attached.
11822         (Layout::attach_sections_to_segments): New function.
11823         (Layout::attach_section_to_segment): New function.
11824         (Layout::attach_allocated_section_to_segment): Rename from
11825         attach_to_segment.  Remove flags parameter.
11826         (Layout::allocate_output_section): Remove function.
11827         (Layout::write_enable_output_section): Remove function.
11828         * layout.h (class Layout): Update for above changes.  Add new
11829         field sections_are_attached_.
11830         * output.h (Output_section::update_flags_for_input_section): New
11831         function.
11832         * output.cc (Output_section::add_input_section): Call
11833         update_flags_for_input_section.
11834         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11835
11836 2008-04-11  Cary Coutant  <ccoutant@google.com>
11837
11838         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11839         thought unnecessary.
11840         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11841
11842 2008-04-11  Ian Lance Taylor  <iant@google.com>
11843
11844         * output.h (class Output_section_data): Remove inline definition
11845         of set_addralign.
11846         * output.cc (Output_section_data::set_addralign): New function.
11847
11848 2008-04-11  Cary Coutant  <ccoutant@google.com>
11849
11850         Add support for TLS descriptors for i386 and x86_64.
11851         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11852         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11853         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11854         GOT_TYPE_TLS_DESC.
11855         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11856         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11857         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11858         relocations.
11859         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11860         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11861         Fix problem with initial-exec relocations.
11862         (Target_i386::Relocate::relocate_tls): Likewise.
11863         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11864         relaxation.
11865         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11866         support for section-plus-offset dynamic table entries.
11867         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11868         (Output_data_dynamic::Dynamic_entry): Add support for
11869         section-plus-offset dynamic table entries.
11870         (Output_data_dynamic::Classification): Likewise.
11871         (Output_data_dynamic::classification_): Renamed offset_.
11872         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11873         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11874         (Target_x86_64::make_plt_section): New function.
11875         (Target_x86_64::reserve_tlsdesc_entries): New function.
11876         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11877         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11878         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11879         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11880         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11881         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11882         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11883         add extra PLT entry for TLS descriptors.
11884         (Output_data_plt_x86_64::got_): New field.
11885         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11886         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11887         fields.
11888         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11889         descriptors.
11890         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11891         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11892         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11893         R_386_TLS_DESC_CALL relocations.
11894         (Target_x86_64::Scan::global): Likewise.
11895         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11896         for TLS descriptors.
11897         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11898         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11899         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11900         GD-to-IE relaxation.
11901         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11902         and TLS_DESCRIPTORS.
11903         * Makefile.in: Rebuild.
11904         * configure: Rebuild.
11905         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11906         (tls_test_shared2.so): New target.
11907         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11908         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11909         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11910         (tls_shared_gd_to_ie_test_LDADD): New variable.
11911         (tls_shared_gnu2_gd_to_ie_test): New target.
11912         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11913         New targets.
11914         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11915         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11916         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11917         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11918         (tls_shared_gnu2_test): New target.
11919         (tls_test_gnu2_shared.so): New target.
11920         (tls_shared_gnu2_test_SOURCES): New variable.
11921         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11922         (tls_shared_gnu2_test_LDFLAGS): New variable.
11923         (tls_shared_gnu2_test_LDADD): New variable.
11924         * testsuite/Makefile.in: Rebuild.
11925         * testsuite/Makefile.
11926
11927 2008-04-11  Ian Lance Taylor  <iant@google.com>
11928
11929         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11930         justsyms.t.
11931         * testsuite/Makefile.in: Rebuild.
11932
11933         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11934         long.
11935         * testsuite/script_test_2.cc (main): Adjust test.
11936
11937 2008-04-11  David S. Miller  <davem@davemloft.net>
11938             Ian Lance Taylor  <iant@google.com>
11939
11940         * options.h (General_options): Add entries for '-Y' and
11941         '-relax'.
11942         * options.cc (General_options:finalize): If -Y was used, add those
11943         entries to the library path instead of the default "/lib" and
11944         "/usr/lib".
11945
11946 2008-04-11  David S. Miller  <davem@davemloft.net>
11947
11948         * testsuite/justsyms.t: Start at 0x100.
11949         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11950         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11951         long.
11952         * testsuite/script_test_2.cc: Adjust string and section length
11953         checks.
11954
11955 2008-04-09  Ian Lance Taylor  <iant@google.com>
11956
11957         PR gold/5996
11958         * script-sections.cc (Sections_element::allocate_to_segment): Add
11959         orphan parameter.
11960         (Output_section_definition::allocate_to_segment): Likewise.
11961         (Orphan_output_section::allocate_to_segment): Likewise.
11962         (Script_sections::attach_sections_using_phdrs_clause): Don't
11963         propagate non-PT_LOAD segments to orphan sections.
11964         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11965         readelf rather than objdump.
11966         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11967         .interp section and PT_INTERP segment are the same size.
11968         * testsuite/Makefile.in: Rebuild.
11969
11970         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11971         aliases for symbols defined in the same object.
11972         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11973         (weak_alias_test_SOURCES): New variable.
11974         (weak_alias_test_DEPENDENCIES): New variable.
11975         (weak_alias_test_LDFLAGS): New variable.
11976         (weak_alias_test_LDADD): New variable.
11977         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11978         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11979         (weak_alias_test_3.o): New target.
11980         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11981         * testsuite/weak_alias_test_main.cc: New file.
11982         * testsuite/weak_alias_test_1.cc: New file.
11983         * testsuite/weak_alias_test_2.cc: New file.
11984         * testsuite/weak_alias_test_3.cc: New file.
11985
11986 2008-04-08  Ian Lance Taylor  <iant@google.com>
11987
11988         * options.h (class General_options): Add --noinhibit-exec option.
11989         * main.cc (main): Check --noinhibit-exec.
11990
11991         * options.h (class General_options): Define --wrap as a special
11992         option.  Add wrap_symbols_ field.
11993         (General_options::any_wrap_symbols): New function.
11994         (General_options::is_wrap_symbol): New function.
11995         * options.cc (General_options::parse_wrap): New function.
11996         (General_options::General_options): Initialize wrap_symbols_.
11997         * symtab.cc (Symbol_table::wrap_symbol): New function.
11998         (Symbol_table::add_from_object): Handle --wrap.
11999         * symtab.h (class Symbol_table): Declare wrap_symbol.
12000         * target.h (Target::wrap_char): New function.
12001         (Target::Target_info): Add wrap_char field.
12002         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12003         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12004         * testsuite/testfile.cc (Target_test::test_target_info):
12005         Likewise.
12006
12007         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12008         there is one.
12009
12010         * layout.h (class Layout): Add added_eh_frame_data_ field.
12011         * layout.cc (Layout::Layout): Initialize new field.
12012         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12013         output section until we find a section we merged successfully.
12014         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12015         that the size be non-zero.
12016
12017         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12018         qualifier.
12019
12020 2008-04-08  Craig Silverstein  <csilvers@google.com>
12021
12022         * configure.ac: Export new conditional variable HAVE_ZLIB.
12023         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12024         on HAVE_ZLIB.
12025         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12026         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12027
12028 2008-04-07  Ian Lance Taylor  <iant@google.com>
12029
12030         * version.cc (version_string): Set to "1.5".
12031
12032         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12033         Add issued_non_pic_error_ field.  Declare check_non_pic.
12034         (Target_x86_64::Scan::check_non_pic): New function.
12035         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12036         (Target_x86_64::Scan::global): Likewise.
12037
12038         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12039         addend parameter.  Change caller.  Handle merge sections.
12040         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12041         Address to Addend.  Don't add in the result of
12042         local_section_offset, pass down the addend and use the returned
12043         value.
12044         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12045         Update declarations of local_section_offset and symbol_value.
12046         * testsuite/two_file_test_1.cc (t18): New function.
12047         * testsuite/two_file_test_2.cc (f18): New function.
12048         * testsuite/two_file_test_main.cc (main): Call t18.
12049         * testsuite/two_file_test.h (t18, f18): Declare.
12050
12051         * configure.ac: Don't test for objdump, c++filt, or readelf.
12052         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12053         conditionals.
12054         (TEST_READELF): New variable.
12055         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12056         (check_PROGRAMS): Add two_file_strip_test.
12057         (two_file_strip_test): New target.
12058         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12059         (two_file_same_shared_strip_test_SOURCES): New variable.
12060         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12061         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12062         (two_file_same_shared_strip_test_LDADD): New variable.
12063         (two_file_shared_strip.so): New target.
12064         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12065         (ver_test_5.syms, ver_test_7.syms): Likewise.
12066         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12067         (strip_test_3.stdout): Use TEST_OBJDUMP.
12068         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12069
12070 2008-04-04  Cary Coutant  <ccoutant@google.com>
12071
12072         * symtab.h (Symbol::is_weak_undefined): New function.
12073         (Symbol::is_strong_undefined): New function.
12074         (Symbol::is_absolute): New function.
12075         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12076         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12077         absolute symbols.
12078         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12079         (weak_undef_test): New target.
12080         * testsuite/Makefile.in: Rebuild.
12081         * testsuite/weak_undef_file1.cc: New file.
12082         * testsuite/weak_undef_file2.cc: New file.
12083         * testsuite/weak_undef_test.cc: New file.
12084
12085 2008-04-03  Craig Silverstein  <csilvers@google.com>
12086
12087         * compressed_output.h (class Output_compressed_section): Use
12088         unsigned buffer.
12089         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12090         add zlib header.
12091         (zlib_compressed_suffix): Removed.
12092         (Output_compressed_section::set_final_data_size): Use unsigned
12093         buffers.
12094         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12095         Fix linker invocation.
12096         (flagstest_o_specialfile_and_compress_debug_sections):
12097         Likewise.
12098         * testsuite/Makefile.in: Regenerated.
12099
12100 2008-04-02  David S. Miller  <davem@davemloft.net>
12101
12102         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12103         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12104
12105 2008-04-02  Craig Silverstein  <csilvers@google.com>
12106
12107         * TODO: New file.
12108
12109 2008-04-02  Ian Lance Taylor  <iant@google.com>
12110
12111         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12112         parameters.  Update for new key type to views_.  Change all
12113         callers.
12114         (File_read::read): Adjust for byteshift in returned view.
12115         (File_read::add_view): New function, broken out of
12116         find_and_make_view.
12117         (File_read::make_view): New function, broken out of
12118         find_and_make_view.
12119         (File_read::find_or_make_view): Add offset and aligned
12120         parameters.  Rewrite accordingly.  Change all callers.
12121         (File_read::get_view): Add offset and aligned parameters.  Adjust
12122         for byteshift in return value.
12123         (File_read::get_lasting_view): Likewise.
12124         * fileread.h (class File_read): Update declarations.
12125         (class File_read::View): Add byteshift_ field.  Add byteshift to
12126         constructor.  Add byteshift method.
12127         * archive.h (Archive::clear_uncached_views): New function.
12128         (Archive::get_view): Add aligned parameter.  Change all callers.
12129         * object.h (Object::get_view): Add aligned parameter.  Change all
12130         callers.
12131         (Object::get_lasting_view): Likewise.
12132
12133         * fileread.cc (File_read::release): Don't call clear_views if
12134         there are multiple objects.
12135         * fileread.h (File_read::clear_uncached_views): New function.
12136         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12137         on the archive.
12138
12139 2008-03-31  Cary Coutant  <ccoutant@google.com>
12140
12141         Add thin archive support.
12142         * archive.cc (Archive::armagt): New const.
12143         (Archive::setup): Remove task parameter and calls to unlock.
12144         (Archive::unlock_nested_archives): New function.
12145         (Archive::read_header): Add nested_off parameter. Change
12146         all callers.
12147         (Archive::interpret_header): Likewise.
12148         (Archive::include_all_members): Change to handle thin
12149         archives.
12150         (Archive::include_member): Likewise.
12151         * archive.h (Archive::Archive): Add new parameters and
12152         initializers.
12153         (Archive::armagt): New const.
12154         (Archive::setup): Remove task parameter.
12155         (Archive::unlock_nested_archives): New function.
12156         (Archive::read_header): Add nested_off parameter.
12157         (Archive::interpret_header): Likewise.
12158         (Archive::Nested_archive_table): New typedef.
12159         (Archive::is_thin_archive_): New field.
12160         (Archive::nested_archives_): New field.
12161         (Archive::options_): New field.
12162         (Archive::dirpath_): New field.
12163         (Archive::task_): New field.
12164         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12165         for thin archives.  Pass additional parameters to
12166         Archive::Archive.  Unlock the archive file after calling
12167         Archive::setup.
12168
12169 2008-03-29  Ian Lance Taylor  <iant@google.com>
12170
12171         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12172         version symbol to be local.
12173         * testsuite/ver_test_4.sh: New file.
12174         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12175         (check_DATA): Add ver_test_4.syms.
12176         (ver_test_4.syms): New target.
12177         * testsuite/Makefile.in: Rebuild.
12178
12179         * output.cc
12180         (Output_section::Input_section_sort_entry::has_priority): New
12181         function.
12182         (Output_section::Input_section_sort_entry::match_file_name): New
12183         function.
12184         (Output_section::Input_section_sort_entry::match_section_name):
12185         Remove.
12186         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12187         Remove.
12188         (Output_section::Input_section_sort_entry::match_section_file):
12189         Remove.
12190         (Output_section::Input_section_sort_compare::operator()): Rewrite
12191         using new Input_section_sort_entry functions.  Sort crtbegin and
12192         crtend first.  Sort sections with no priority before sections with
12193         a priority.
12194         * testsuite/initpri1.c (d3): Check j != 4.
12195         (cd5): New constructor/destructor function.
12196         (main): Check j != 2.
12197
12198         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12199         new symbol when resolving, don't call set_is_default.
12200         * testsuite/ver_test_7.cc: New file.
12201         * testsuite/ver_test_7.sh: New file.
12202         * testsuite/Makefile.am (ver_test_7.so): New target.
12203         (ver_test_7.o): New target.
12204         (check_SCRIPTS): Add ver_test_7.sh.
12205         (check_DATA): Add ver_test_7.syms.
12206         (ver_test_7.syms): New target.
12207
12208 2008-03-28  Ian Lance Taylor  <iant@google.com>
12209
12210         * layout.cc (Layout::layout): If we see an input section with a
12211         name that needs sorting, set the must_sort flag for the output
12212         section.
12213         (Layout::make_output_section): If the name of the output section
12214         indicates that it might require sorting, set the may_sort flag.
12215         * output.h (Output_section::may_sort_attached_input_sections): New
12216         function.
12217         (Output_section::set_may_sort_attached_input_sections): New
12218         function.
12219         (Output_section::must_sort_attached_input_sections): New
12220         function.
12221         (Output_section::set_must_sort_attached_input_sections): New
12222         function.
12223         (class Output_section): Declare Input_section_sort_entry.  Define
12224         Input_section_sort_compare.  Declare
12225         sort_attached_input_sections.  Add new fields:
12226         may_sort_attached_input_sections_,
12227         must_sort_attached_input_sections_,
12228         attached_input_sections_are_sorted_.
12229         * output.cc (Output_section::Output_section): Initialize new
12230         fields.
12231         (Output_section::add_input_section): Add an entry to
12232         input_sections_ if may_sort or must_sort are true.
12233         (Output_section::set_final_data_size): Call
12234         sort_attached_input_sections if necessary.
12235         (Output_section::Input_section_sort_entry): Define new class.
12236         (Output_section::Input_section_sort_compare::operator()): New
12237         function.
12238         (Output_section::sort_attached_input_sections): New function.
12239         * configure.ac: Check whether the compiler supports constructor
12240         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12241         * testsuite/initpri1.c: New file.
12242         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12243         CONSTRUCTOR_PRIORITY.
12244         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12245         (initpri1_LDFLAGS): New variable.
12246         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12247
12248 2008-03-27  Ian Lance Taylor  <iant@google.com>
12249
12250         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12251         * testsuite/common_test_1.c: New file.
12252         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12253         (common_test_1_SOURCES): New variable.
12254         (common_test_1_DEPENDENCIES): New variable.
12255         (common_test_1_LDFLAGS): New variable.
12256
12257         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12258         and commons_ correctly when NAME/VERSION does not override
12259         NAME/NULL.
12260         * testsuite/ver_test_6.c: New file.
12261         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12262         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12263         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12264
12265 2008-03-26  Ian Lance Taylor  <iant@google.com>
12266
12267         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12268         of an undefined symbol from a version script.
12269         * testsuite/Makefile.am (ver_test_5.so): New target.
12270         (ver_test_5.o): New target.
12271         (check_SCRIPTS): Add ver_test_5.sh.
12272         (check_DATA): Add ver_test_5.syms.
12273         (ver_test_5.syms): New target.
12274         * testsuite/ver_test_5.cc: New file.
12275         * testsuite/ver_test_5.script: New file.
12276         * testsuite/ver_test_5.sh: New file.
12277         * Makefile.in, testsuite/Makefile.in: Rebuild.
12278
12279         PR gold/5986
12280         Fix problems building gold with gcc 4.3.0.
12281         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12282         (gold_error_at_location, gold_warning_at_location): Use it.
12283         * configure.ac: Check whether we can compile and use a template
12284         function with a printf attribute.
12285         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12286         when jumping over bytes.
12287         * object.cc: Instantiate Object::read_section_data.
12288         * debug.h: Include <cstring>
12289         * dwarf_reader.cc: Include <algorithm>
12290         * main.cc: Include <cstring>.
12291         * options.cc: Include <cstring>.
12292         * output.cc: Include <cstring>.
12293         * script.cc: Include <cstring>.
12294         * script.h: Include <string>.
12295         * symtab.cc: Include <cstring> and <algorithm>.
12296         * target-select.cc: Include <cstring>.
12297         * version.cc: Include <string>.
12298         * testsuite/testmain.cc: Include <cstdlib>.
12299         * configure, config.in: Rebuild.
12300
12301 2008-03-25  Ian Lance Taylor  <iant@google.com>
12302
12303         * options.cc: Include "../bfd/bfdver.h".
12304         (options::help): Print bug reporting address.
12305
12306         * version.cc (print_version): Adjust output for current value of
12307         BFD_VERSION_STRING.
12308
12309         * NEWS: New file.
12310
12311         * options.cc (options::help): Print list of supported targets.
12312         * target-select.h: Include <vector>.
12313         (class Target_selector): Make machine_, size_, and is_big_endian_
12314         fields const.  Add bfd_name_ and instantiated_target_ fields.
12315         (Target_selector::Target_selector): Add bfd_name parameter.
12316         (Target_selector::recognize): Make non-virtual, call
12317         do_recognize.
12318         (Target_selector::recognize_by_name): Make non-virtual, call
12319         do_recognize_by_name.
12320         (Target_selector::supported_names): New function.
12321         (Target_selector::bfd_name): New function.
12322         (Target_selector::do_instantiate_target): New pure virtual
12323         function.
12324         (Target_selector::do_recognize): New virtual function.
12325         (Target_selector::do_recognize_by_name): New virtual function.
12326         (Target_selector::instantiate_target): New private function.
12327         (supported_target_names): Declare.
12328         * target-select.cc (Target_selector::Target_selector): Update for
12329         new parameter and fields.
12330         (select_target_by_name): Check that the name matches before
12331         calling recognize_by_name.
12332         (supported_target_names): New function.
12333         * i386.cc (class Target_selector_i386): Update Target_selector
12334         constructor call.  Remove recognize and recognize_by_name.  Add
12335         do_instantiate_target.
12336         * x86_64.cc (class Target_selector_x86_64): Likewise.
12337         * testsuite/testfile.cc (class Target_selector_test): Update for
12338         changes to Target_selector.
12339
12340         * README: Rewrite, with some notes on unsupported features.
12341
12342 2008-03-24  Cary Coutant  <ccoutant@google.com>
12343
12344         * i386.cc (Target_i386::Got_type): New enum declaration.
12345         (Target_i386::Scan::local): Updated callers of Output_data_got
12346         member functions.
12347         (Target_i386::Scan::global): Likewise.
12348         (Target_i386::Relocate::relocate): Likewise.
12349         (Target_i386::Relocate::relocate_tls): Likewise.
12350         * object.h (Got_offset_list): New class.
12351         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12352         (Sized_relobj::local_got_offset): Likewise.
12353         (Sized_relobj::set_local_got_offset): Likewise.
12354         (Sized_relobj::local_has_tls_got_offset): Removed.
12355         (Sized_relobj::local_tls_got_offset): Removed.
12356         (Sized_relobj::set_local_tls_got_offset): Removed.
12357         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12358         * output.cc (Output_data_got::add_global): Added got_type parameter.
12359         (Output_data_got::add_global_with_rel): Likewise.
12360         (Output_data_got::add_global_with_rela): Likewise.
12361         (Output_data_got::add_global_pair_with_rel): New function.
12362         (Output_data_got::add_global_pair_with_rela): New function.
12363         (Output_data_got::add_local): Added got_type parameter.
12364         (Output_data_got::add_local_with_rel): Likewise.
12365         (Output_data_got::add_local_with_rela): Likewise.
12366         (Output_data_got::add_local_pair_with_rel): New function.
12367         (Output_data_got::add_local_pair_with_rela): New function.
12368         (Output_data_got::add_global_tls): Removed.
12369         (Output_data_got::add_global_tls_with_rel): Removed.
12370         (Output_data_got::add_global_tls_with_rela): Removed.
12371         (Output_data_got::add_local_tls): Removed.
12372         (Output_data_got::add_local_tls_with_rel): Removed.
12373         (Output_data_got::add_local_tls_with_rela): Removed.
12374         * output.h (Output_data_got::add_global): Added got_type parameter.
12375         (Output_data_got::add_global_with_rel): Likewise.
12376         (Output_data_got::add_global_with_rela): Likewise.
12377         (Output_data_got::add_global_pair_with_rel): New function.
12378         (Output_data_got::add_global_pair_with_rela): New function.
12379         (Output_data_got::add_local): Added got_type parameter.
12380         (Output_data_got::add_local_with_rel): Likewise.
12381         (Output_data_got::add_local_with_rela): Likewise.
12382         (Output_data_got::add_local_pair_with_rel): New function.
12383         (Output_data_got::add_local_pair_with_rela): New function.
12384         (Output_data_got::add_global_tls): Removed.
12385         (Output_data_got::add_global_tls_with_rel): Removed.
12386         (Output_data_got::add_global_tls_with_rela): Removed.
12387         (Output_data_got::add_local_tls): Removed.
12388         (Output_data_got::add_local_tls_with_rel): Removed.
12389         (Output_data_got::add_local_tls_with_rela): Removed.
12390         * resolve.cc (Symbol::override_base_with_special): Removed
12391         reference to has_got_offset_ field.
12392         * symtab.cc (Symbol::init_fields): Replaced initialization
12393         of got_offset_ with got_offsets_.  Removed initialization
12394         of has_got_offset_
12395         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12396         (Symbol::got_offset): Likewise.
12397         (Symbol::set_got_offset): Likewise.
12398         (Symbol::has_tls_got_offset): Removed.
12399         (Symbol::tls_got_offset): Removed.
12400         (Symbol::set_tls_got_offset): Removed.
12401         (Symbol::got_offset_): Removed.
12402         (Symbol::tls_mod_got_offset_): Removed.
12403         (Symbol::tls_pair_got_offset_): Removed.
12404         (Symbol::got_offsets_): New field.
12405         (Symbol::has_got_offset): Removed.
12406         (Symbol::has_tls_mod_got_offset): Removed.
12407         (Symbol::has_tls_pair_got_offset): Removed.
12408         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12409         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12410         member functions.
12411         (Target_x86_64::Scan::global): Likewise.
12412         (Target_x86_64::Relocate::relocate): Likewise.
12413         (Target_x86_64::Relocate::relocate_tls): Likewise.
12414
12415 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12416
12417         * yyscript.y: Fix spelling error in comment.
12418
12419 2008-03-24  Ian Lance Taylor  <iant@google.com>
12420
12421         * options.h (class General_options): Define build_id option.
12422         * layout.h (class Layout): Declare write_build_id, create_note,
12423         create_build_id.  Add build_id_note_ member.
12424         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12425         "libiberty.h", "md5.h", "sha1.h".
12426         (Layout::Layout): Initialize eh_frame_data_,
12427         eh_frame_hdr_section_, and build_id_note_.
12428         (Layout::finalize): Call create_build_id.
12429         (Layout::create_note): New function, broken out of
12430         Layout::create_gold_note.
12431         (Layout::create_gold_note): Call create_note.
12432         (Layout::create_build_id): New function.
12433         (Layout::write_build_id): New function.
12434         (Close_task_runner::run): Call write_build_id.
12435
12436         * x86_64.cc: Correct license to GPLv3.
12437
12438 2008-03-23  Ian Lance Taylor  <iant@google.com>
12439
12440         * options.cc: Include "demangle.h".
12441         (parse_optional_string): New function.
12442         (parse_long_option): Handle takes_optional_argument.
12443         (parse_short_option): Update dash_z initializer.  Handle
12444         takes_optional_argument.
12445         (General_options::General_options): Initialize do_demangle_.
12446         (General_options::finalize): Set do_demangle_.  Handle demangling
12447         style.
12448         * options.h (parse_optional_string): Declare.
12449         (struct One_option): Add optional_arg field.  Update constructor.
12450         Update call constructor calls.  Add takes_optional_argument
12451         function.
12452         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12453         (DEFINE_optional_string): Define.
12454         (General_options::demangle): Change from DEFINE_bool to
12455         DEFINE_optional_string.
12456         (General_options::no_demangle): New function.
12457         (General_options::do_demangle): New function.
12458         (General_options::set_do_demangle): New function.
12459         (General_options::execstack_status_): Move definition to end of
12460         class definition.
12461         (General_options::static_): Likewise.
12462         (General_options::do_demangle_): New field.
12463         * object.cc (big_endian>::get_symbol_location_info): Call
12464         Options::do_demangle, not Options::demangle.
12465         * symtab.cc (demangle): Likewise.
12466
12467 2008-03-22  Ian Lance Taylor  <iant@google.com>
12468
12469         * gold.h: Include <cstddef> and <sys/types.h>
12470         * options.h: Include <cstring>.
12471
12472 2008-03-21  Ian Lance Taylor  <iant@google.com>
12473
12474         * Added source code to GNU binutils.