gold/ChangeLog

   1 2012-02-14  Cary Coutant  <ccoutant@google.com>
   2
   3         * options.cc (General_options::finalize): Disallow -pie and -static.
   4
   5 2012-02-03  Doug Kwan  <dougkwan@google.com>
   6
   7         * arm.cc (Arm_relocate_functions::abs8,
   8         Arm_relocate_functions::abs16): Use
   9         Bits::has_signed_unsigned_overflow32.
  10         (Arm_relocate_functions::thm_abs8): Correct range of
  11         overflow check.
  12         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
  13         in assertions.
  14
  15 2012-02-02  Doug Kwan  <dougkwan@google.com>
  16
  17         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
  18         position independent outputs, not just shared objects.
  19
  20 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
  21
  22         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
  23         * configure: Regenerated.
  24
  25 2012-01-27  Ian Lance Taylor  <iant@google.com>
  26
  27         * reloc.h (Bits): New class with static functions, copied from
  28         namespace utils in arm.cc.
  29         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
  30         instead.
  31
  32 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  33
  34         * incremental.cc (write_info_blocks): Correct relocation offset.
  35
  36 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  37
  38         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
  39         (Relocate::tls_gd_to_le): Likewise.
  40
  41 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  42
  43         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
  44
  45 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  46
  47         * configure.ac: Check if -mcmodel=medium works.
  48         * configure: Regenerated.
  49
  50 2012-01-24  Cary Coutant  <ccoutant@google.com>
  51
  52         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
  53         definition and ...
  54         (read_unsigned_LEB_128_x): ... this new function.
  55         (read_signed_LEB_128): Replaced with inline definition and ...
  56         (read_signed_LEB_128_x): ... this new function.
  57         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
  58         (read_unsigned_LEB_128): Add inline definition.
  59         (read_signed_LEB_128_x): New function.
  60         (read_signed_LEB_128): Add inline definition.
  61         * testsuite/Makefile.am (leb128_unittest): New unit test.
  62         * testsuite/Makefile.in: Regenerate.
  63         * testsuite/leb128_unittest.cc: New unit test.
  64
  65 2012-01-23  Ian Lance Taylor  <iant@google.com>
  66
  67         PR gold/13617
  68         * i386.cc (Target_i386::do_code_fill): When using a jmp
  69         instruction, pad with nop instructions.
  70         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
  71
  72 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
  73
  74         * x86_64.cc (gc_process_relocs): Add typename on types used in
  75         template.
  76         (scan_relocs): Likewise.
  77         (relocate_section): Likewise.
  78         (apply_relocation): Likewise.
  79
  80 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
  81
  82         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
  83         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
  84         under x32.
  85
  86 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
  87
  88         * x86_64.cc: Initial support for x32.
  89
  90 2012-01-03  Cary Coutant  <ccoutant@google.com>
  91
  92         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  93         Use abstract base class for GOT.
  94         * gold/output.h (class Output_data_got_base): New abstract base class.
  95         (class Output_data_got): Derive from new base class, adjust ctors.
  96         (Output_data_got::reserve_slot): Make virtual; rename to
  97         do_reserve_slot; Adjust callers.
  98         * gold/target.h (Sized_target::init_got_plt_for_update): Return
  99         pointer to abstract base class.
 100         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 101
 102 2011-12-18  Ian Lance Taylor  <iant@google.com>
 103
 104         * object.h (Relobj::local_symbol_value): New function.
 105         (Relobj::local_plt_offset): New function.
 106         (Relobj::local_has_got_offset): New function.
 107         (Relobj::local_got_offset): New function.
 108         (Relobj::set_local_got_offset): New function.
 109         (Relobj::do_local_symbol_value): New pure virtual function.
 110         (Relobj::do_local_plt_offset): Likewise.
 111         (Relobj::do_local_has_got_offset): Likewise.
 112         (Relobj::do_local_got_offset): Likewise.
 113         (Relobj::do_set_local_got_offset): Likewise.
 114         (Sized_relobj::do_local_has_got_offset): Rename from
 115         local_has_got_offset.
 116         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 117         (Sized_relobj::do_set_local_got_offset): Rename from
 118         set_local_got_offset.
 119         (Sized_relobj_file::do_local_plt_offset): Rename from
 120         local_plt_offset.
 121         (Sized_relobj_file::do_local_symbol_value): New function.
 122         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 123         local_plt_offset.
 124         * output.cc (Output_data_got::Got_entry::write): Change object to
 125         Relobj.  Use local_symbol_value.
 126         (Output_data_got::add_global_with_rel): Change rel_dyn to
 127         Output_data_reloc_generic*.  Use add_global_generic.
 128         (Output_data_got::add_global_with_rela): Remove.  Change all
 129         callers to use add_global_with_rel.
 130         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 131         Output_data_reloc_generic*.  Use add_global_generic.
 132         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 133         callers to use add_global_pair_with_rel.
 134         (Output_data_got::add_local): Change object to Relobj*.
 135         (Output_data_got::add_local_plt): Likewise.
 136         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 137         change rel_dyn to Output_data_reloc_generic*.  Use
 138         add_local_generic.
 139         (Output_data_got::add_local_with_rela): Remove.  Change all
 140         callers to use all_local_with_rel.
 141         (Output_data_got::add_local_pair_with_rel): Change object to
 142         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 143         add_output_section_generic.
 144         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 145         callers to use add_local_pair_with_rel.
 146         (Output_data_got::reserve_local): Change object to Relobj*.
 147         * output.h: (class Output_data_reloc_generic): Add pure virtual
 148         declarations for add_global_generic, add_local_generic,
 149         add_output_section_generic.
 150         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 151         functions for Output_data_reloc_generic.  Update declarations for
 152         changes listed in output.cc.
 153         (class Output_data_got): Change template parameter to got_size.
 154         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 155         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 156         function.
 157         (Sized_relobj_incr::do_local_plt_offset): New function.
 158         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 159         add_global_generic.
 160
 161 2011-12-17  Cary Coutant  <ccoutant@google.com>
 162
 163         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 164         * resolve.cc (Symbol_table::resolve): Likewise.
 165         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 166         arrays.
 167         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 168
 169 2011-12-16  Ian Lance Taylor  <iant@google.com>
 170
 171         * output.h (Output_data_reloc_generic::add): Only call
 172         add_dynamic_reloc if this is a dynamic reloc section.
 173
 174 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 175
 176         PR gold/13505
 177         * target-reloc.h (apply_relocation): Replace <64, false> with
 178         <size, big_endian>.
 179
 180 2011-11-25  Nick Clifton  <nickc@redhat.com>
 181
 182         * po/it.po: New Italian translation.
 183
 184 2011-11-17  Sterling Augustine  <saugustine@google.com>
 185
 186         * script.cc (script_include_directive): Implement.
 187         (read_script_file): New local variables name and search_path. Update
 188         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 189         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 190         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 191
 192 2011-11-11  Sterling Augustine  <saugustine@google.com>
 193
 194         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 195         (file_or_sections_cmd): Likewise.
 196
 197 2011-11-11  Doug Kwan  <dougkwan@google.com>
 198
 199         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 200         if --just-symbols is given.
 201
 202 2011-11-10  Doug Kwan  <dougkwan@google.com>
 203
 204         PR gold/13362
 205         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 206         when processing data relocs.
 207         * reloc.h (Relocate_functions::rel_unaligned): New method.
 208         (Relocate_functions::pcrel_unaligned): Ditto.
 209         (Relocate_functions::rel32_unaligned): Ditto.
 210         (Relocate_functions::pcrel32_unaligned): Ditto.
 211
 212 2011-11-09  Doug Kwan  <dougkwan@google.com>
 213
 214         PR gold/13362
 215         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 216         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 217         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 218         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 219         (Relocate_functions::rel_unaligned): New.
 220         (Relocate_functions::rel32_unaligned): New.
 221         * target-reloc.h (relocate_for_relocatable): Add code to handle
 222         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 223         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 224         arm_unaligned_reloc_r): New targets.
 225         * testsuite/Makefile.in: Regenerate.
 226         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 227         linking.
 228
 229 2011-11-02  Ian Lance Taylor  <iant@google.com>
 230
 231         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 232         NATIVE_LINKER.
 233         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 234         * options.cc (General_options::finalize): Use library search path
 235         from configure script if specified.  If not native and no sysroot,
 236         only search TOOLLIBDIR.
 237         * options.h (Search_directory::Search_directory): Change name to
 238         const std::string&.
 239         (General_options::add_to_library_path_with_sysroot): Change arg to
 240         const std::string&.
 241         * configure, Makefile.in, config.in: Rebuild.
 242
 243 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 244
 245         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 246         we are working around the ARM1176 Erratum.
 247         * options.h (General_options::fix_arm1176): Add option.
 248         * testsuite/Makefile.am: Add testcases, and keep current ones
 249         working.
 250         * testsuite/Makefile.in: Regenerate.
 251         * testsuite/arm_fix_1176.s: New file.
 252         * testsuite/arm_fix_1176.sh: Likewise.
 253
 254 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 255
 256         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 257         may_use_blx_.
 258         (Target_arm::may_use_blx): Remove method.
 259         (Target_arm::set_may_use_blx): Likewise.
 260         (Target_arm::may_use_v4t_interworking): New method.
 261         (Target_arm::may_use_v5t_interworking): Likewise.
 262         (Target_arm::may_use_blx_): Remove member variable.
 263         (Arm_relocate_functions::arm_branch_common): Check for v5T
 264         interworking.
 265         (Arm_relocate_functions::thumb_branch_common): Likewise.
 266         (Reloc_stub::stub_type_for_reloc): Likewise.
 267         (Target_arm::do_finalize_sections): Correct interworking checks.
 268         * testsuite/Makefile.am: Add new tests.
 269         * testsuite/Makefile.in: Regenerate.
 270         * testsuite/arm_farcall_arm_arm.s: New test.
 271         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 272         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 273         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 274         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 275         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 276         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 277         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 278
 279 2011-10-31  Cary Coutant  <ccoutant@google.com>
 280
 281         PR gold/13023
 282         * expression.cc (Expression::eval_with_dot): Add
 283         is_section_dot_assignment parameter.
 284         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 285         absolute and assigning to dot within a section.
 286         * script-sections.cc
 287         (Output_section_element_assignment::set_section_addresses): Pass
 288         dot_section to set_if_absolute.
 289         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 290         as is_section_dot_assignment flag to eval_with_dot.
 291         (Output_section_element_dot_assignment::set_section_addresses):
 292         Likewise.
 293         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 294         parameter.  Also set value if relative to dot_section; set the
 295         symbol's output_section.
 296         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 297         parameter.  Adjust all callers.
 298         (Expression::eval_maybe_dot): Likewise.
 299         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 300         Adjust all callers.
 301         * testsuite/script_test_2.t: Test assignment of an absolute value
 302         to dot within an output section element.
 303
 304 2011-10-31  Cary Coutant  <ccoutant@google.com>
 305
 306         * options.h (class General_options): Add --[no-]gnu-unique options.
 307         * symtab.cc (Symbol_table::sized_write_globals): Convert
 308         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 309
 310 2011-10-31  Cary Coutant  <ccoutant@google.com>
 311
 312         PR gold/13359
 313         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 314         unnecessary assertion.
 315         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 316
 317 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 318
 319         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 320         gc_mark_symbol.
 321         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 322         gc_mark_symbol.
 323         Change to just keep the section associated with symbol.
 324         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 325         they are externally visible and --export-dynamic is turned on.
 326         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 327
 328 2011-10-19  Ian Lance Taylor  <iant@google.com>
 329
 330         PR gold/13163
 331         * script-sections.cc
 332         (Output_section_element_dot_assignment::needs_output_section): New
 333         function.
 334
 335 2011-10-19  Ian Lance Taylor  <iant@google.com>
 336
 337         PR gold/13204
 338         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 339         --section-start option was seen.
 340         * options.h (General_options::any_section_start): New function.
 341
 342 2011-10-18  David S. Miller  <davem@davemloft.net>
 343
 344         PR binutils/13301
 345         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 346         member to track relocation locations that have moved during TLS
 347         reloc optimizations.
 348         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 349         (Target_sparc::Relocate::relocate): Adjust view down by 4
 350         bytes if it matches reloc_adjust_addr_.
 351         (Target_sparc::Relocate::relocate_tls): Always move the
 352         __tls_get_addr call delay slot instruction forward 4 bytes when
 353         performing relaxation.
 354
 355 2011-10-18  Cary Coutant  <ccoutant@google.com>
 356
 357         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 358         (Output_file::map_no_anonymous): Check for non-zero
 359         return code from posix_fallocate.
 360
 361 2011-10-17  Cary Coutant  <ccoutant@google.com>
 362
 363         PR gold/13245
 364         * plugin.cc (is_visible_from_outside): Check for symbols
 365         referenced from dynamic objects.
 366         * resolve.cc (Symbol_table::resolve): Don't count references
 367         from dynamic objects as references from real ELF files.
 368         * testsuite/plugin_test_2.sh: Adjust expected result.
 369
 370 2011-10-17  Cary Coutant  <ccoutant@google.com>
 371
 372         * gold.cc: Include timer.h.
 373         (queue_middle_tasks): Stamp time.
 374         (queue_final_tasks): Likewise.
 375         * main.cc (main): Store timer in parameters.  Print timers
 376         for each pass.
 377         * parameters.cc (Parameters::Parameters): Initialize timer_.
 378         (Parameters::set_timer): New function.
 379         (set_parameters_timer): New function.
 380         * parameters.h (Parameters::set_timer): New function.
 381         (Parameters::timer): New function.
 382         (Parameters::timer_): New data member.
 383         (set_parameters_timer): New function.
 384         * timer.cc (Timer::stamp): New function.
 385         (Timer::get_pass_time): New function.
 386         * timer.h (Timer::stamp): New function.
 387         (Timer::get_pass_time): New function.
 388         (Timer::pass_times_): New data member.
 389
 390 2011-10-17  Cary Coutant  <ccoutant@google.com>
 391
 392         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 393         task for members of lib groups.
 394
 395 2011-10-17  Cary Coutant  <ccoutant@google.com>
 396
 397         PR gold/13288
 398         * fileread.cc (File_read::find_view): Add assert.
 399         (File_read::make_view): Move bounds check (replace with assert)...
 400         (File_read::find_or_make_view): ... to here.
 401
 402 2011-10-12  Cary Coutant  <ccoutant@google.com>
 403
 404         * output.cc (Output_file::open_base_file): Handle case where
 405         ::read returns less than requested size.
 406
 407 2011-10-10  Cary Coutant  <ccoutant@google.com>
 408
 409         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 410         Initialize defined_count_.
 411         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 412         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 413         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 414         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 415         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 416         * incremental.h (Sized_relobj_incr::defined_count_): New data
 417         member.
 418         (Sized_incr_dynobj::defined_count_): New data member.
 419         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 420         Return zeroes instead of internal error.
 421
 422 2011-10-10  Cary Coutant  <ccoutant@google.com>
 423
 424         PR gold/13249
 425         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 426         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 427         * output.h (class Output_reloc): Add use_plt_offset flag.
 428         (Output_reloc::type_): Adjust size of bit field.
 429         (Output_reloc::use_plt_offset_): New bit field.
 430         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 431         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 432         flag.  Adjust all callers.
 433         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 434         creating RELATIVE relocations.
 435
 436 2011-10-10  Nick Clifton  <nickc@redhat.com>
 437
 438         * po/es.po: Updated Spanish translation.
 439         * po/fi.po: Updated Finnish translation.
 440
 441 2011-10-03   Diego Novillo  <dnovillo@google.com>
 442
 443         * options.cc (parse_uint): Fix dereference of RETVAL.
 444
 445 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 446
 447         * layout.h (section_order_map_): New member.
 448         (get_section_order_map): New member function.
 449         * output.cc (Output_section::add_input_section): Check for patterns
 450         only when --section-ordering-file is specified.
 451         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 452         output_sections have been formed.
 453         * layout.cc (Layout_Layout): Initialize section_order_map_.
 454         * plugin.cc (update_section_order): Store order in order_map. Do not
 455         update the order.
 456         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 457         * testsuite/Makefile.in: Regenerate.
 458         * testsuite/plugin_section_order.c: New file.
 459         * testsuite/plugin_final_layout.cc: New file.
 460         * testsuite/plugin_final_layout.sh: New file.
 461
 462 2011-09-29  Cary Coutant  <ccoutant@google.com>
 463
 464         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 465         Check for NULL.
 466         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 467         symbols during incremental update.
 468         (Symbol_table::add_from_dynobj): Likewise.
 469
 470 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 471             Ian Lance Taylor  <iant@google.com>
 472
 473         * symtab.cc (Symbol_table::define_special_symbol): Always
 474         canonicalize version string.
 475
 476 2011-09-26  Cary Coutant  <ccoutant@google.com>
 477
 478         * gold.cc (queue_initial_tasks): Move option checks ...
 479         * options.cc (General_options::finalize): ... to here. Disable
 480         some options; make others fatal.
 481
 482 2011-09-26  Cary Coutant  <ccoutant@google.com>
 483
 484         gcc PR lto/47247
 485         * plugin.cc (get_symbols_v2): New function.
 486         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 487         (is_referenced_from_outside): New function.
 488         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 489         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 490         (get_symbols): Pass version parameter.
 491         (get_symbols_v2): New function.
 492         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 493         parameter.
 494         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 495         (onload): Add LDPT_GET_SYMBOLS_V2.
 496         (all_symbols_read_hook): Use get_symbols_v2; check for
 497         LDPR_PREVAILING_DEF_IRONLY_EXP.
 498         * testsuite/plugin_test_3.sh: Update expected results.
 499
 500 2011-09-23  Simon Baldwin  <simonb@google.com>
 501
 502         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 503         configuration options.
 504         * configure: Regenerate.
 505         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 506         * Makefile.in: Regenerate.
 507         * testsuite/Makefile.in: Regenerate.
 508
 509 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 510
 511         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 512
 513 2011-09-19  Cary Coutant  <ccoutant@google.com>
 514
 515         * incremental.cc (can_incremental_update): Fix typo in comment.
 516         * incremental.h (can_incremental_update): Likewise.
 517
 518 2011-09-18  Cary Coutant  <ccoutant@google.com>
 519
 520         * incremental.cc (can_incremental_update): New function.
 521         * incremental.h (can_incremental_update): New function.
 522         * layout.cc (Layout::init_fixed_output_section): Call it.
 523         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 524         * object.cc (Sized_relobj_file::do_layout): Call
 525         can_incremental_update.
 526
 527 2011-09-13  Cary Coutant  <ccoutant@google.com>
 528
 529         * configure.ac: Check for glibc support for gnu_indirect_function
 530         support with static linking, setting automake conditional
 531         IFUNC_STATIC.
 532         * Makefile.in: Regenerate.
 533         * configure: Regenerate.
 534
 535         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 536         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 537         for IFUNC_STATIC.
 538         * testsuite/Makefile.in: Regenerate.
 539
 540 2011-09-13  Cary Coutant  <ccoutant@google.com>
 541
 542         * incremental.cc (Sized_relobj_incr::do_layout): Call
 543         report_comdat_group for kept comdat sections.
 544         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 545         * testsuite/Makefile.in: Regenerate.
 546         * testsuite/incr_comdat_test_1.cc: New source file.
 547         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 548         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 549         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 550
 551 2011-09-13  Ian Lance Taylor  <iant@google.com>
 552
 553         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 554         variable external_symbols_offset.
 555
 556 2011-09-12  Ian Lance Taylor  <iant@google.com>
 557
 558         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 559         triggered if object has no symbols.
 560
 561 2011-09-09  David S. Miller  <davem@davemloft.net>
 562
 563         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 564         (Output_fill_debug_line::do_write): Likewise.
 565
 566 2011-08-29  Cary Coutant  <ccoutant@google.com>
 567
 568         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 569         casts to match formatting specs.
 570         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 571
 572 2011-08-26  Cary Coutant  <ccoutant@google.com>
 573
 574         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 575         remaining hole size when allocating.
 576         (Layout::make_output_section): Set fill methods for debug sections.
 577         * layout.h (Free_list::Free_list_node): Move from private to
 578         public.
 579         (Free_list::set_min_hole_size): New function.
 580         (Free_list::begin, Free_list::end): New functions.
 581         (Free_list::min_hole_): New data member.
 582         * output.cc: Include dwarf.h.
 583         (Output_fill_debug_info::do_minimum_hole_size): New function.
 584         (Output_fill_debug_info::do_write): New function.
 585         (Output_fill_debug_line::do_minimum_hole_size): New function.
 586         (Output_fill_debug_line::do_write): New function.
 587         (Output_section::Output_section): Initialize new data member.
 588         (Output_section::set_final_data_size): Ensure patch space is larger
 589         than minimum hole size.
 590         (Output_section::do_write): Fill holes in debug sections.
 591         * output.h (Output_fill): New class.
 592         (Output_fill_debug_info): New class.
 593         (Output_fill_debug_line): New class.
 594         (Output_section::set_free_space_fill): New function.
 595         (Output_section::free_space_fill_): New data member.
 596         * testsuite/Makefile.am (incremental_test_3): Add
 597         --incremental-patch option.
 598         (incremental_test_4): Likewise.
 599         (incremental_test_5): Likewise.
 600         (incremental_test_6): Likewise.
 601         (incremental_copy_test): Likewise.
 602         (incremental_common_test_1): Likewise.
 603         * testsuite/Makefile.in: Regenerate.
 604
 605 2011-08-26  Nick Clifton  <nickc@redhat.com>
 606
 607         * po/es.po: Updated Spanish translation.
 608
 609 2011-08-01  Cary Coutant  <ccoutant@google.com>
 610
 611         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 612         * gold/testsuite/Makefile.in: Regenerate.
 613         * gold/testsuite/justsyms_exec.c: New source file.
 614         * gold/testsuite/justsyms_lib.c: New source file.
 615
 616 2011-08-01  Cary Coutant  <ccoutant@google.com>
 617
 618         * layout.cc (Layout::set_segment_offsets): Don't realign text
 619         segment if -Ttext was specified.
 620         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 621         file type.
 622         * object.h (Sized_relobj_file::e_type): New function.
 623         (Sized_relobj_file::e_type_): New data member.
 624         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 625         base address for ET_EXEC files.
 626         * target.cc (Target::do_make_elf_object_implementation): Allow
 627         ET_EXEC files with --just-symbols option.
 628
 629 2011-07-28  Cary Coutant  <ccoutant@google.com>
 630
 631         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 632         Add thread_number parameter.
 633         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 634         * workqueue-threads.cc
 635         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 636         current thread if its thread number is greater than desired thread
 637         count.
 638         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 639         Add thread_number parameter.
 640         (Workqueue::should_cancel_thread): Likewise.
 641         (Workqueue::find_runnable_or_wait): Pass thread_number to
 642         should_cancel_thread.
 643         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 644         parameter.
 645
 646 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 647
 648         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 649         only after checking if it cannot be forced local.
 650         * symtab.h (is_externally_visible): Check if the symbol is not forced
 651         local.
 652
 653 2011-07-15  Ian Lance Taylor  <iant@google.com>
 654
 655         * options.h (class General_options): Add --print-output-format.
 656         Move -EL next to -EB, for  better --help output.
 657         * target-select.cc: Include <cstdio>, "options.h", and
 658         "parameters.h".
 659         (Target_selector::do_target_bfd_name): New function.
 660         (print_output_format): New function.
 661         * target-select.h (class Target_selector): Update declarations.
 662         (Target_selector::target_bfd_name): New function.
 663         (print_output_format): Declare.
 664         * main.cc: Include "target-select.h".
 665         (main): Handle --print-output-format.
 666         * gold.cc: Include "target-select.h".
 667         (queue_initial_tasks): Handle --print-output-format when there are
 668         no input files.
 669         * parameters.cc (parameters_force_valid_target): Give a better
 670         error message if -EB/-EL does not match target.
 671         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 672         function.
 673
 674 2011-07-15  Ian Lance Taylor  <iant@google.com>
 675
 676         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 677         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 678         (Output_data_plt_i386::do_write): Write address of .dynamic
 679         section to first entry in .got.plt section.
 680         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 681         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 682         Initialize layout_.
 683         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 684         section to first entry in .got.plt section.
 685         * layout.h (Layout::dynamic_section): New function.
 686
 687 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 688
 689         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 690         to claim_file call.
 691         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 692         input_section_position_, and input_section_glob_.
 693         (read_layout_from_file): Call function section_ordering_specified.
 694         * layout.h (is_section_ordering_specified): New function.
 695         (section_ordering_specified): New function.
 696         (section_ordering_specified_): New boolean member.
 697         * main.cc(main): Call load_plugins after layout object is defined.
 698         * output.cc (Output_section::add_input_section): Use
 699         function section_ordering_specified to check if section ordering is
 700         needed.
 701         * output.cc (Output_section::add_relaxed_input_section): Use
 702         function section_ordering_specified to check if section ordering is
 703         needed.
 704         (Output_section::update_section_layout): New function.
 705         (Output_section::sort_attached_input_sections): Check if input section
 706         must be reordered.
 707         * output.h (Output_section::update_section_layout): New function.
 708         * plugin.cc (get_section_count): New function.
 709         (get_section_type): New function.
 710         (get_section_name): New function.
 711         (get_section_contents): New function.
 712         (update_section_order): New function.
 713         (allow_section_ordering): New function.
 714         (Plugin::load): Add the new interfaces to the transfer vector.
 715         (Plugin_manager::load_plugins): New parameter.
 716         (Plugin_manager::all_symbols_read): New parameter.
 717         (Plugin_manager::claim_file): New parameter. Save the elf object for
 718         unclaimed objects.
 719         (Plugin_manager::get_elf_object): New function.
 720         (Plugin_manager::get_view): Change to directly use the bool to check
 721         if get_view is called from claim_file_hook.
 722         * plugin.h (input_objects): New function
 723         (Plugin__manager::load_plugins): New parameter.
 724         (Plugin_manager::claim_file): New parameter.
 725         (Plugin_manager::get_elf_object): New function.
 726         (Plugin_manager::in_claim_file_handler): New function.
 727         (Plugin_manager::in_claim_file_handler_): New member.
 728         (layout): New function.
 729         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 730         handler with an extra parameter. Make the elf object before calling
 731         claim_file handler.
 732         * testsuite/plugin_test.c (get_section_count): New function pointer.
 733         (get_section_type): New function pointer.
 734         (get_section_name): New function pointer.
 735         (get_section_contents): New function pointer.
 736         (update_section_order): New function pointer.
 737         (allow_section_ordering): New function pointer.
 738         (onload): Check if the new interfaces exist.
 739
 740 2011-07-13  Ian Lance Taylor  <iant@google.com>
 741
 742         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 743         relro section.
 744         * x86_64.cc (Target_x86_64::got_section): Likewise.
 745         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 746         (relro_now_test_SOURCES): New variable.
 747         (relro_now_test_DEPENDENCIES): New variable.
 748         (relro_now_test_LDFLAGS): New variable.
 749         (relro_now_test_LDADD): New variable.
 750         (relro_now_test.so): New target.
 751         * testsuite/Makefile.in: Rebuild.
 752
 753 2011-07-12  Ian Lance Taylor  <iant@google.com>
 754
 755         PR gold/12980
 756         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 757         GLOB_DAT relocation rather than a RELATIVE relocation for a
 758         protected symbol when creating a shared library.
 759         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 760         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 761         * testsuite/protected_main_1.cc (main): Test that protected
 762         function has same address.
 763
 764 2011-07-11  Ian Lance Taylor  <iant@google.com>
 765
 766         PR gold/12979
 767         * options.h (class General_options): Add -Bgroup.
 768         * options.cc (General_options::finalize): If -Bgroup is set,
 769         default to --unresolved-symbols=report-all.
 770         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 771         * target-reloc.h (issue_undefined_symbol_error): Handle
 772         --unresolved-symbols=report-all.
 773
 774 2011-07-08  Ian Lance Taylor  <iant@google.com>
 775
 776         PR gold/11985
 777         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 778         if linker script discards key sections.
 779         (Layout::create_dynamic_symtab): Likewise.
 780         (Layout::assign_local_dynsym_offsets): Likewise.
 781         (Layout::sized_create_version_sections): Likewise.
 782         (Layout::create_interp): Likewise.
 783         (Layout::finish_dynamic_section): Likewise.
 784         (Layout::set_dynamic_symbol_size): Likewise.
 785
 786 2011-07-08  Ian Lance Taylor  <iant@google.com>
 787
 788         PR gold/12386
 789         * options.h (class General_options): Add --unresolved-symbols.
 790         * target-reloc.h (issue_undefined_symbol_error): Check
 791         --unresolved-symbols.  Add comments.
 792
 793 2011-07-08  Ian Lance Taylor  <iant@google.com>
 794
 795         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 796         expression more complex.
 797
 798 2011-07-08  Ian Lance Taylor  <iant@google.com>
 799
 800         PR gold/11317
 801         * target-reloc.h (issue_undefined_symbol_error): New inline
 802         function, broken out of relocate_section.
 803         (relocate_section): Call issue_undefined_symbol_error.
 804         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 805         there is no TLS segment if we are about to issue an undefined
 806         symbol error.
 807         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 808
 809 2011-07-08  Ian Lance Taylor  <iant@google.com>
 810
 811         PR gold/12279
 812         * resolve.cc (Symbol_table::should_override): Add fromtype
 813         parameter.  Change all callers.  Give error when linking together
 814         TLS and non-TLS symbol.
 815         (Symbol_table::should_override_with_special): Add fromtype
 816         parameter.  Change all callers.
 817         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 818         there is no TLS segment if we have reported some errors.
 819         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 820
 821 2011-07-08  Ian Lance Taylor  <iant@google.com>
 822
 823         PR gold/12372
 824         * target.h (Target::plt_address_for_global): New function.
 825         (Target::plt_address_for_local): New function.
 826         (Target::plt_section_for_global): Remove.
 827         (Target::plt_section_for_local): Remove.
 828         (Target::do_plt_address_for_global): New virtual function.
 829         (Target::do_plt_address_for_local): New virtual function.
 830         (Target::do_plt_section_for_global): Remove.
 831         (Target::do_plt_section_for_local): Remove.
 832         (Target::register_global_plt_entry): Add Symbol_table and Layout
 833         parameters.
 834         * output.cc (Output_data_got::Got_entry::write): Use
 835         plt_address_for_global and plt_address_for_local.
 836         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 837         address of output section.
 838         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 839         got_irelative_, and irelative_count_ fields.  Update
 840         declarations.
 841         (Output_data_plt_i386::has_irelative_section): New function.
 842         (Output_data_plt_i386::entry_count): Add irelative_count_.
 843         (Output_data_plt_i386::set_final_data_size): Likewise.
 844         (class Target_i386): Add got_irelative_ and rel_irelative_
 845         fields.  Update declarations.
 846         (Target_i386::Target_i386): Initialize new fields.
 847         (Target_i386::do_plt_address_for_global): New function replacing
 848         do_plt_section_for_global.
 849         (Target_i386::do_plt_address_for_local): New function replacing
 850         do_plt_section_for_local.
 851         (Target_i386::got_section): Create got_irelative_.
 852         (Target_i386::rel_irelative_section): New function.
 853         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 854         fields.  Don't define __rel_iplt_{start,end}.
 855         (Output_data_plt_i386::add_entry): Add symtab and layout
 856         parameters.  Change all callers.  Use different PLT and GOT for
 857         IFUNC symbols.
 858         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 859         layout parameters.  Change all callers.  Use different PLT and
 860         GOT.
 861         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 862         (Output_data_plt_i386::rel_irelative): New function.
 863         (Output_data_plt_i386::address_for_global): New function.
 864         (Output_data_plt_i386::address_for_local): New function.
 865         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 866         IRELATIVE GOT when changing IFUNC GOT entries.
 867         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 868         reloc.
 869         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 870         if we didn't create an IRELATIVE GOT.
 871         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 872         plt_address_for_local.
 873         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 874         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 875         got_irelative_, and irelative_count_ fields.  Update
 876         declarations.
 877         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 878         Initialize new fields.  Remove symtab parameter.  Change all
 879         callers.
 880         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 881         irelative_count_.
 882         (Output_data_plt_x86_64::has_irelative_section): New function.
 883         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 884         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 885         fields.  Update declarations.
 886         (Target_x86_64::Target_x86_64): Initialize new fields.
 887         (Target_x86_64::do_plt_address_for_global): New function replacing
 888         do_plt_section_for_global.
 889         (Target_x86_64::do_plt_address_for_local): New function replacing
 890         do_plt_section_for_local.
 891         (Target_x86_64::got_section): Create got_irelative_.
 892         (Target_x86_64::rela_irelative_section): New function.
 893         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 894         all callers.  Don't create __rel_iplt_{start,end}.
 895         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 896         parameters.  Change all callers.  Use different PLT and GOT for
 897         IFUNC symbols.
 898         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 899         layout parameters.  Change all callers.  Use different PLT and
 900         GOT.
 901         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 902         parameters.  Change all callers.  Use different PLT and GOT for
 903         IFUNC symbols.
 904         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 905         (Output_data_plt_x86_64::rela_irelative): New function.
 906         (Output_data_plt_x86_64::address_for_global): New function.
 907         (Output_data_plt_x86_64::address_for_local): New function.
 908         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 909         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 910         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 911         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 912         parameters.
 913         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 914         reloc.
 915         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 916         symbols if we didn't create an IRELATIVE GOT.
 917         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 918         plt_address_for_local.
 919         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 920         * testsuite/ifuncvar1.c: New test file.
 921         * testsuite/ifuncvar2.c: New test file.
 922         * testsuite/ifuncvar3.c: New test file.
 923         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 924         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 925         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 926         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 927         * testsuite/Makefile.in: Rebuild.
 928
 929 2011-07-07  Cary Coutant  <ccoutant@google.com>
 930
 931         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 932         (two_file_test_1_ndebug.o): Likewise.
 933         (two_file_test_1b_ndebug.o): Likewise.
 934         (two_file_test_2_ndebug.o): Likewise.
 935         (two_file_test_main_ndebug.o): Likewise.
 936         (incremental_test_2): Link with no-debug versions.
 937
 938 2011-07-06  Cary Coutant  <ccoutant@google.com>
 939
 940         * gold/incremental.cc
 941         (Output_section_incremental_inputs::write_info_blocks): Check for
 942         hidden and internal symbols.
 943
 944 2011-07-06  Cary Coutant  <ccoutant@google.com>
 945
 946         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 947         Check disposition for startup file.
 948         (Incremental_inputs::report_command_line): Ignore
 949         --incremental-startup-unchanged option.
 950         * options.cc (General_options::parse_incremental_startup_unchanged):
 951         New function.
 952         (General_options::General_options): Initialize new data member.
 953         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 954         (General_options): Add --incremental-startup-unchanged option.
 955         (General_options::incremental_startup_disposition): New function.
 956         (General_options::incremental_startup_disposition_): New data member.
 957
 958 2011-07-06  Cary Coutant  <ccoutant@google.com>
 959
 960         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 961         input file index to Script_info ctor.
 962         (Sized_incremental_binary::do_file_has_changed): Find the
 963         command-line argument for files named in scripts.
 964         * incremental.h (Script_info::Script_info): New ctor
 965         with input file index.
 966         (Script_info::input_file_index): New function.
 967         (Script_info::input_file_index_): New data member.
 968         (Incremental_binary::get_library): Add const.
 969         (Incremental_binary::get_script_info): Add const.
 970         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 971         * testsuite/Makefile.am (incremental_test_5): New test case.
 972         (incremental_test_6): New test case.
 973         * testsuite/Makefile.in: Regenerate.
 974
 975 2011-07-06  Cary Coutant  <ccoutant@google.com>
 976
 977         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 978         debug output when command lines differ.
 979
 980 2011-07-06  Cary Coutant  <ccoutant@google.com>
 981
 982         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 983         --incremental-patch option.
 984         * layout.cc (Free_list::allocate): Extend allocation beyond original
 985         end if enabled.
 986         (Layout::make_output_section): Mark sections that should get
 987         patch space.
 988         * options.cc (parse_percent): New function.
 989         * options.h (parse_percent): New function.
 990         (DEFINE_percent): New macro.
 991         (General_options): Add --incremental-patch option.
 992         * output.cc (Output_section::Output_section): Initialize new data
 993         members.
 994         (Output_section::add_input_section): Print section name when out
 995         of patch space.
 996         (Output_section::add_output_section_data): Likewise.
 997         (Output_section::set_final_data_size): Add patch space when
 998         doing --incremental-full.
 999         (Output_section::do_reset_address_and_file_offset): Remove patch
1000         space.
1001         (Output_segment::set_section_list_addresses): Print debug output
1002         only if --incremental-update.
1003         * output.h (Output_section::set_is_patch_space_allowed): New function.
1004         (Output_section::is_patch_space_allowed_): New data member.
1005         (Output_section::patch_space_): New data member.
1006         * parameters.cc (Parameters::incremental_full): New function.
1007         * parameters.h (Parameters::incremental_full): New function
1008         * testsuite/Makefile.am (incremental_test_2): Add test for
1009         --incremental-patch option.
1010         * testsuite/Makefile.in: Regenerate.
1011         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1012         (t18): Remove function body.
1013
1014 2011-07-05  Doug Kwan  <dougkwan@google.com>
1015
1016         PR gold/12771
1017         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1018         Arm_Address type for relocation result.
1019         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1020         overflow check.
1021         (Arm_relocate_functions::abs32): Use unaligned access.
1022         (Arm_relocate_functions::rel32): Ditto.
1023         (Arm_relocate_functions::prel31): Ditto.
1024         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1025         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1026         static data relocations.
1027         * testsuite/Makefile.in: Regnerate.
1028         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1029
1030 2011-07-05  Ian Lance Taylor  <iant@google.com>
1031
1032         PR gold/12392
1033         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1034         symbols if necessary.
1035         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1036
1037 2011-07-05  Ian Lance Taylor  <iant@google.com>
1038
1039         PR gold/12952
1040         * resolve.cc (Symbol::override_base_with_special): Simply override
1041         version with special symbol version, ignoring previous version.
1042
1043 2011-07-05  Ian Lance Taylor  <iant@google.com>
1044
1045         * object.cc (Sized_relobj_file::include_section_group): Add
1046         information to comment about signature location.
1047
1048 2011-07-02  Ian Lance Taylor  <iant@google.com>
1049
1050         PR gold/12957
1051         * options.h (class General_options): Add -f and -F.
1052         * options.cc (General_options::finalize): Fatal error if -f/-F
1053         are used without -shared.
1054         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1055
1056 2011-07-02  Ian Lance Taylor  <iant@google.com>
1057
1058         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1059
1060 2011-07-01  Ian Lance Taylor  <iant@google.com>
1061
1062         PR gold/12525
1063         PR gold/12952
1064         * resolve.cc (Symbol::override_base_with_special): Don't override
1065         the version if the overriding symbol has a different name.
1066         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1067         all callers.  If we give an error about an undefined version,
1068         define the base version if necessary.
1069         * dynobj.h (class Versions): Update declaration.
1070         * testsuite/weak_alias_test_5.cc: New file.
1071         * testsuite/weak_alias_test.script: New file.
1072         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1073         and versioned_alias have the right value, and call t2.
1074         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1075         weak_alias_test_5.so.
1076         (weak_alias_test_LDADD): Likewise.
1077         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1078         * testsuite/Makefile.in: Rebuild.
1079
1080 2011-07-01  Ian Lance Taylor  <iant@google.com>
1081
1082         PR gold/12525
1083         * options.h (class General_options): Support -z notext.
1084         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1085         -Wl,-z,notext.
1086         (two_file_shared_nonpic.so): Likewise.
1087         (two_file_shared_mixed.so): Likewise.
1088         (two_file_shared_mixed_1.so): Likewise.
1089         (weak_undef_lib_nonpic.so): Likewise.
1090         (alt/weak_undef_lib_nonpic.so): Likewise.
1091         (tls_test_shared_nonpic.so): Likewise.
1092         * testsuite/Makefile.in: Rebuild.
1093
1094 2011-07-01  Ian Lance Taylor  <iant@google.com>
1095
1096         PR gold/12525
1097         * configure.ac: Test whether static linking works, setting
1098         the automake conditional HAVE_STATIC.
1099         * testsuite/Makefile.am: Disable tests using -static if
1100         HAVE_STATIC is not true.
1101         * configure, testsuite/Makefile.in: Rebuild.
1102
1103 2011-07-01  Ian Lance Taylor  <iant@google.com>
1104
1105         PR gold/12525
1106         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1107         Assert if we see DW_EH_PE_indirect.
1108         * target.h (Target::ehframe_datarel_base): New function.
1109         (Target::do_ehframe_datarel_base): New target function.
1110         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1111         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1112         function.
1113
1114 2011-07-01  Ian Lance Taylor  <iant@google.com>
1115
1116         PR gold/12571
1117         * options.h (class General_options): Add
1118         --ld-generated-unwind-info.
1119         * ehframe.cc (Fde::write): Add address parameter.  Change all
1120         callers.  If associated with PLT, fill in address and size.
1121         (Cie::set_output_offset): Only add merge mapping if there is an
1122         object.
1123         (Cie::write): Add address parameter.  Change all callers.
1124         (Eh_frame::add_ehframe_for_plt): New function.
1125         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1126         input_offset_ fields into union u_, with new plt field.
1127         (Fde::Fde): Adjust for new union field.
1128         (Fde::Fde) [Output_data version]: New constructor.
1129         (Fde::add_mapping): Only add merge mapping if there is an object.
1130         (class Cie): Update declarations.
1131         (class Eh_frame): Declare add_ehframe_for_plt.
1132         * layout.cc (Layout::layout_eh_frame): Break out code into
1133         make_eh_frame_section, and call it.
1134         (Layout::make_eh_frame_section): New function.
1135         (Layout::add_eh_frame_for_plt): New function.
1136         * layout.h (class Layout): Update declarations.
1137         * merge.cc (Merge_map::add_mapping): Add assertion.
1138         * i386.cc: Include "dwarf.h".
1139         (class Output_data_plt_i386): Make first_plt_entry,
1140         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1141         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1142         and plt_eh_frame_fde.
1143         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1144         boundary.  Call add_eh_frame_for_plt if appropriate.
1145         * x86_64.cc: Include "dwarf.h".
1146         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1147         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1148         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1149         and plt_eh_frame_fde.
1150         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1151         appropriate.
1152
1153 2011-06-29  Ian Lance Taylor  <iant@google.com>
1154
1155         PR gold/12629
1156         * object.cc (Sized_relobj_file::layout_section): Change shdr
1157         parameter to be const.
1158         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1159         out of do_layout.
1160         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1161         appropriate.  Call layout_eh_frame_section.
1162         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1163         sections.
1164         * object.h (class Sized_relobj_file): Update declarations.
1165
1166 2011-06-29  Ian Lance Taylor  <iant@google.com>
1167
1168         PR gold/12652
1169         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1170         modifier.
1171         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1172
1173 2011-06-29  Ian Lance Taylor  <iant@google.com>
1174
1175         PR gold/12675
1176         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1177         SHT_X86_64_UNWIND.
1178         * layout.cc (Layout::layout_eh_frame): Likewise.
1179
1180 2011-06-29  Ian Lance Taylor  <iant@google.com>
1181
1182         PR gold/12695
1183         * layout.cc (Layout::symtab_section_shndx): New function.
1184         * layout.h (class Layout): Declare symtab_section_shndx.
1185         * output.cc (Output_section::write_header): Call it.
1186
1187 2011-06-29  Ian Lance Taylor  <iant@google.com>
1188
1189         PR gold/12818
1190         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1191         symbols which are not used in a relocation.
1192
1193 2011-06-28  Ian Lance Taylor  <iant@google.com>
1194
1195         PR gold/12898
1196         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1197         script create indistinguishable segments.
1198         (Layout::set_segment_offsets): Use stable_sort when sorting
1199         segments.  Pass this to Compare_segments constructor.
1200         * layout.h (class Layout): Make segment_precedes non-static.
1201         (class Compare_segments): Change from struct to class.  Add
1202         layout_ field.  Add constructor.
1203         * script-sections.cc
1204         (Script_sections::attach_sections_using_phdrs_clause): Rename
1205         local orphan to is_orphan.  Don't report failure to put empty
1206         section in segment.  On attachment failure, report name of
1207         section, and attach to first PT_LOAD segment.
1208
1209 2011-06-28  Ian Lance Taylor  <iant@google.com>
1210
1211         PR gold/12934
1212         * target-select.cc (Target_selector::Target_selector): Add
1213         emulation parameter.  Change all callers.
1214         (select_target_by_bfd_name): Rename from select_target_by_name.
1215         Change all callers.
1216         (select_target_by_emulation): New function.
1217         (supported_emulation_names): New function.
1218         * target-select.h (class Target_selector): Add emulation_ field.
1219         Update declarations.
1220         (Target_selector::recognize_by_bfd_name): Rename from
1221         recognize_by_name.  Change all callers.
1222         (Target_selector::supported_bfd_names): Rename from
1223         supported_names.  Change all callers.
1224         (Target_selector::recognize_by_emulation): New function.
1225         (Target_selector::supported_emulations): New function.
1226         (Target_selector::emulation): New function.
1227         (Target_selector::do_recognize_by_bfd_name): Rename from
1228         do_recognize_by_name.  Change all callers.
1229         (Target_selector::do_supported_bfd_names): Rename from
1230         do_supported_names.  Change all callers.
1231         (Target_selector::do_recognize_by_emulation): New function.
1232         (Target_selector::do_supported_emulations): New function.
1233         (select_target_by_bfd_name): Change name in declaration.
1234         (select_target_by_emulation): Declare.
1235         (supported_emulation_names): Declare.
1236         * parameters.cc (parameters_force_valid_target): Try to find
1237         target based on emulation from -m option.
1238         * options.h (class General_options): Change doc string for -m.
1239         * options.cc (help): Print emulations.
1240         (General_options::parse_V): Likewise.
1241         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1242         Add emulation parameter.  Change all callers.
1243
1244 2011-06-28  Ian Lance Taylor  <iant@google.com>
1245
1246         * target.h (class Target): Add osabi_ field.
1247         (Target::osabi): New function.
1248         (Target::set_osabi): New function.
1249         (Target::Target): Initialize osabi_.
1250         (Target::do_adjust_elf_header): Make pure virtual.
1251         (Sized_target::do_adjust_elf_header): Declare.
1252         * target.cc (Sized_target::do_adjust_elf_header): New function.
1253         (class Sized_target): Instantiate all versions.
1254         * freebsd.h (class Target_freebsd): Remove.
1255         (Target_selector_freebsd::do_recognize): Call set_osabi on
1256         Target.
1257         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1258         (Target_selector_freebsd::set_osabi): Remove.
1259         * i386.cc (class Target_i386): Inherit from Sized_target rather
1260         than Target_freebsd.
1261         * x86_64.cc (class Target_x86_64): Likewise.
1262
1263 2011-06-28  Ian Lance Taylor  <iant@google.com>
1264
1265         * target.h (Target::can_check_for_function_pointers): Rewrite.
1266         Make non-virtual.
1267         (Target::can_icf_inline_merge_sections): Likewise.
1268         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1269         (Target::Target_info): Add can_icf_inline_merge_sections field.
1270         (Target::do_can_check_for_function_pointers): New virtual
1271         function.
1272         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1273         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1274         from can_check_for_function_pointers, move in file.
1275         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1276         section_may_have_icf_unsafe_poineters, move in file.
1277         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1278         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1279         Rename from can_check_for_function_pointers, move in file.
1280         (Target_i386::can_icf_inline_merge_sections): Remove.
1281         (Target_i386::i386_info): Initialize
1282         can_icf_inline_merge_sections.
1283         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1284         Initialize can_icf_inline_merge_sections.
1285         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1286         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1287         Rename from can_check_for_function_pointers, move in file.
1288         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1289         (Target_x86_64::x86_64_info): Initialize
1290         can_icf_inline_merge_sections.
1291         * testsuite/testfile.cc (Target_test::test_target_info):
1292         Likewise.
1293         * icf.cc (get_section_contents): Correct formatting.
1294
1295 2011-06-27  Ian Lance Taylor  <iant@google.com>
1296
1297         * symtab.cc (Symbol::versioned_name): New function.
1298         (Symbol_table::add_to_final_symtab): Use versioned_name when
1299         appropriate.
1300         (Symbol_table::sized_write_symbol): Likewise.
1301         * symtab.h (class Symbol): Declare versioned_name.
1302         * stringpool.h (class Stringpool_template): Add variant of add
1303         which takes a std::basic_string.
1304         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1305         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1306         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1307         (ver_test_12.o): New target.
1308         * testsuite/Makefile.in: Rebuild.
1309
1310 2011-06-27  Doug Kwan  <dougkwan@google.com>
1311
1312         * arm.cc (Arm_relocate_functions::thm_jump8,
1313         Arm_relocate_functions::thm_jump11): Use a wider signed
1314         type to compute offset.
1315         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1316         arm_thm_jump8.
1317         * testsuite/Makefile.in: Regenerate.
1318         * testsuite/arm_branch_in_range.sh: Check test results of
1319         arm_thm_jump11 and arm_thm_jump8.
1320         * testsuite/arm_thm_jump11.s: New test source file.
1321         * testsuite/arm_thm_jump11.t: New linker script.
1322         * testsuite/arm_thm_jump8.s: New test source file.
1323         * testsuite/arm_thm_jump8.t: New linker script.
1324
1325 2011-06-24  Ian Lance Taylor  <iant@google.com>
1326
1327         * layout.cc: Include "object.h".
1328         (ctors_sections_in_init_array): New static variable.
1329         (Layout::is_ctors_in_init_array): New function.
1330         (Layout::layout): Add entry to ctors_sections_in_init_array if
1331         appropriate.
1332         * layout.h (class Layout): Declare is_ctors_in_init_array.
1333         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1334         is_ctors_reverse_view is set.
1335         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1336         all callers.  Set is_ctors_reverse_view field of View_size.
1337         (Sized_relobj_file::reverse_words): New function.
1338         * object.h (Sized_relobj_file::View_size): Add
1339         is_ctors_reverse_view field.
1340         (class Sized_relobj_file): Update declarations.
1341         * testsuite/initpri3.c: New test.
1342         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1343         initpri3b.
1344         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1345         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1346         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1347         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1348         * testsuite/Makefile.in: Rebuild.
1349
1350 2011-06-24  Cary Coutant  <ccoutant@google.com>
1351
1352         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1353         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1354         (debug_msg_cdebug.err): New targets.
1355         * testsuite/Makefile.in: Regenerate.
1356         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1357         Fix checks for link with shared library.
1358
1359 2011-06-24  Doug Kwan  <dougkwan@google.com>
1360
1361         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1362         skip empty text sections.
1363         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1364
1365 2011-06-22  Ian Lance Taylor  <iant@google.com>
1366
1367         PR gold/12910
1368         * options.h (class General_options): Add --ctors-in-init-array.
1369         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1370         friends as SHT_PROGBITS for merging sections.
1371         (Layout::layout): Remove special handling of .init_array and
1372         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1373         and .dtors if ctors_in_init_array.
1374         (Layout::make_output_section): Force correct section types for
1375         .init_array and friends.  Don't sort if doing relocatable link,
1376         Don't sort .ctors and .dtors if ctors_in_init_array.
1377         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1378         (Layout::output_section_name): Add relobj parameter.  Change all
1379         callers.  Handle .ctors. and .dtors. in code rather than table.
1380         Handle .ctors and .dtors if ctors_in_init_array.
1381         (Layout::match_file_name): New function, moved from output.cc.
1382         * layout.h (class Layout): Update declarations.
1383         * output.cc: Include "layout.h".
1384         (Input_section_sort_entry::get_priority): New function.
1385         (Input_section_sort_entry::match_file_name): Just call
1386         Layout::match_file_name.
1387         (Output_section::Input_section_sort_init_fini_compare::operator()):
1388         Handle .ctors and .dtors.  Sort by explicit priority rather than
1389         by name.
1390         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1391         * testsuite/initpri2.c: New test.
1392         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1393         (check_PROGRAMS): Add initpri2.
1394         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1395         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1396         * configure, testsuite/Makefile.in: Rebuild.
1397
1398 2011-06-19  Ian Lance Taylor  <iant@google.com>
1399
1400         PR gold/12880
1401         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1402         .interp section to a PT_INTERP segment even if we have seen a
1403         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1404         clause in a linker script.
1405         (Layout::finalize): Don't create a .interp section if we've
1406         already create a PT_INTERP segment.
1407         (Layout::create_interp): Always call choose_output_section (revert
1408         patch of 2011-06-17).  Don't create PT_INTERP segment.
1409         * script-sections.cc
1410         (Script_sections::create_note_and_tls_segments): Add a .interp
1411         section to a PT_INTERP segment even if we have seen a
1412         --dynamic-linker option.
1413
1414 2011-06-18  Ian Lance Taylor  <iant@google.com>
1415
1416         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1417         merely because a non-PT_LOAD segment has a dynamic reloc.
1418
1419 2011-06-18  Ian Lance Taylor  <iant@google.com>
1420
1421         * layout.cc (Layout::finish_dynamic_section): Don't create
1422         DT_FLAGS entry if not needed.
1423
1424 2011-06-18  Ian Lance Taylor  <iant@google.com>
1425
1426         PR gold/12745
1427         * layout.cc (Layout::layout_eh_frame): Correct handling of
1428         writable .eh_frame section.
1429
1430 2011-06-17  Ian Lance Taylor  <iant@google.com>
1431
1432         PR gold/12893
1433         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1434         symbol is redefined with the exact same object and value.
1435
1436 2011-06-17  Ian Lance Taylor  <iant@google.com>
1437
1438         PR gold/12880
1439         * layout.h (class Layout): Add interp_segment_ field.
1440         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1441         (Layout::attach_allocated_section_to_segment): If making shared
1442         library, put .interp section in PT_INTERP segment.
1443         (Layout::finalize): Also call create_interp if -dynamic-linker
1444         option was used.
1445         (Layout::create_interp): Assert that there is no PT_INTERP
1446         segment.  If not using a SECTIONS clause, use make_output_section.
1447         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1448         * script-sections.cc
1449         (Script_sections::create_note_and_tls_segments): If making shared
1450         library, put .interp section in PT_INTERP segment.
1451
1452 2011-06-17  Ian Lance Taylor  <iant@google.com>
1453
1454         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1455         when making a shared library.
1456
1457 2011-06-17  Ian Lance Taylor  <iant@google.com>
1458
1459         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1460         parameter.  Change all callers.  Don't issue warning about PC32
1461         against locally defined symbol.
1462
1463 2011-06-16  Ian Lance Taylor  <iant@google.com>
1464
1465         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1466         occurs in same object.
1467
1468 2011-06-14  Alan Modra  <amodra@gmail.com>
1469
1470         * po/POTFILES.in: Regenerate.
1471
1472 2011-06-09  Ian Lance Taylor  <iant@google.com>
1473
1474         * script-sections.cc
1475         (Orphan_output_section::set_section_addresses): For a relocatable
1476         link set address to 0.
1477
1478 2011-06-09  Cary Coutant  <ccoutant@google.com>
1479
1480         PR gold/12804
1481         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1482         used with --compress-debug-sections.
1483         * gold/object.cc (Sized_relobj_file::do_layout): Report
1484         uncompressed size of compressed input sections.
1485
1486 2011-06-08  Cary Coutant  <ccoutant@google.com>
1487
1488         PR gold/12804
1489         * testsuite/two_file_test_2_v1.cc: Change initialization of
1490         v2 to keep it in .data.
1491
1492 2011-06-07  Cary Coutant  <ccoutant@google.com>
1493
1494         * common.cc (Symbol_table::do_allocate_commons_list): Call
1495         gold_fallback.
1496         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1497         (Errors::fallback): New function.
1498         (gold_fallback): New function.
1499         * errors.h (Errors::fallback): New function.
1500         * gold.cc (gold_exit): Change status parameter to enum; adjust
1501         all callers.
1502         (queue_initial_tasks): Call gold_fallback.
1503         * gold.h: Include cstdlib.
1504         (Exit_status): New enum type.
1505         (gold_exit): Change status parameter to enum.
1506         (gold_fallback): New function.
1507         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1508         (Layout::create_symtab_sections): Likewise.
1509         (Layout::create_shdrs): Likewise.
1510         * main.cc (main): Adjust call to gold_exit.
1511         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1512         (Output_data_got::add_got_entry_pair): Likewise.
1513         (Output_section::add_input_section): Likewise.
1514         (Output_section::add_output_section_data): Likewise.
1515         (Output_segment::set_section_list_addresses): Likewise.
1516         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1517
1518 2011-06-07  Cary Coutant  <ccoutant@google.com>
1519
1520         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1521         for incremental links.
1522         * output.cc (Output_segment::set_section_list_addresses): Remove
1523         FIXME and test for TLS or BSS.
1524
1525 2011-06-07  Cary Coutant  <ccoutant@google.com>
1526
1527         * testsuite/Makefile.am: Add incremental_copy_test,
1528         incremental_common_test_1.
1529         * testsuite/Makefile.in: Regenerate.
1530         * testsuite/common_test_1_v1.c: New source file.
1531         * testsuite/common_test_1_v2.c: New source file.
1532         * testsuite/copy_test_v1.cc: New source file.
1533
1534 2011-06-07  Cary Coutant  <ccoutant@google.com>
1535
1536         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1537         update, allocate common from bss section's free list.
1538         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1539         linker-defined symbols.
1540         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1541         Skip GOT and PLT entries that are no longer referenced.
1542         (Output_section_incremental_inputs::write_info_blocks): Mark
1543         linker-defined symbols.
1544         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1545         * output.cc (Output_section::allocate): New function.
1546         * output.h (Output_section::allocate): New function.
1547         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1548         linker-defined symbols.
1549         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1550         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1551         (Symbol::init_base_output_data): Likewise.
1552         (Symbol::init_base_output_segment): Likewise.
1553         (Symbol::init_base_constant): Likewise.
1554         (Sized_symbol::init_output_data): Likewise.
1555         (Sized_symbol::init_output_segment): Likewise.
1556         (Sized_symbol::init_constant): Likewise.
1557         (Symbol_table::do_define_in_output_data): Likewise.
1558         (Symbol_table::do_define_in_output_segment): Likewise.
1559         (Symbol_table::do_define_as_constant): Likewise.
1560         * symtab.h (Symbol::is_predefined): New function.
1561         (Symbol::init_base_output_data): Add is_predefined parameter.
1562         (Symbol::init_base_output_segment): Likewise.
1563         (Symbol::init_base_constant): Likewise.
1564         (Symbol::is_predefined_): New data member.
1565         (Sized_symbol::init_output_data): Add is_predefined parameter.
1566         (Sized_symbol::init_output_segment): Likewise.
1567         (Sized_symbol::init_constant): Likewise.
1568         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1569
1570 2011-06-07  Cary Coutant  <ccoutant@google.com>
1571
1572         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1573         instead of emit_copy_reloc.
1574         (Copy_relocs::emit_copy_reloc): Refactor.
1575         (Copy_relocs::make_copy_reloc): New function.
1576         (Copy_relocs::add_copy_reloc): Remove.
1577         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1578         section.
1579         (Copy_relocs::make_copy_reloc): New function.
1580         (Copy_relocs::add_copy_reloc): Remove.
1581         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1582         unchanged input files.
1583         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1584         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1585         Reserve BSS space for COPY relocations.
1586         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1587         (Output_section_incremental_inputs::write_info_blocks): Record
1588         whether a symbol is copied from a shared object.
1589         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1590         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1591         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1592         (Incremental_input_entry_reader::get_output_symbol_index): Add
1593         is_copy parameter.
1594         (Incremental_binary::emit_copy_relocs): New function.
1595         (Incremental_binary::do_emit_copy_relocs): New function.
1596         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1597         new data member.
1598         (Sized_incremental_binary::add_copy_reloc): New function.
1599         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1600         (Sized_incremental_binary::Copy_reloc): New struct.
1601         (Sized_incremental_binary::Copy_relocs): New typedef.
1602         (Sized_incremental_binary::copy_relocs_): New data member.
1603         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1604         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1605         * target.h (Sized_target::emit_copy_reloc): New function.
1606         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1607
1608 2011-06-02  Cary Coutant  <ccoutant@google.com>
1609
1610         PR gold/12163
1611         * gold/archive.cc (Archive::Archive): Initialize new data member.
1612         (Archive::include_all_members): Return if archive has already been
1613         included.
1614         * gold/archive.h (Archive::include_all_members_): New data member.
1615
1616 2011-06-02  Nick Clifton  <nickc@redhat.com>
1617
1618         * dynobj.h: Fix spelling mistake in comment.
1619         * output.cc: Likewise.
1620
1621 2011-05-31  Doug Kwan  <dougkwan@google.com>
1622             Asier Llano
1623
1624         PR gold/12826
1625         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1626         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1627         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1628         redundant arm_exidx_test.so.
1629         * testsuite/Makefile.in: Regenerate.
1630         (check_SCRIPTS): Add pr12826.sh
1631         (check_DATA): Add pr12826.stdout
1632         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1633         * testsuite/pr12826.sh: New file.
1634         * testsuite/pr12826_1.s: Ditto.
1635         * testsuite/pr12826_1.s: Ditto.
1636
1637 2011-05-30  Ian Lance Taylor  <iant@google.com>
1638
1639         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1640         sections.
1641
1642 2011-05-29  Ian Lance Taylor  <iant@google.com>
1643
1644         PR gold/12804
1645         * testsuite/Makefile.am: Use different file name for two_file_test
1646         temporary file for each incremental test.
1647         * testsuite/Makefile.in: Rebuild.
1648
1649 2011-05-29  Ian Lance Taylor  <iant@google.com>
1650
1651         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1652         binary input file is empty.
1653
1654 2011-05-27  Ian Lance Taylor  <iant@google.com>
1655
1656         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1657         (ver_test_9.so): Likewise.
1658         * testsuite/Makefile.in: Rebuild.
1659
1660 2011-05-26 Cary Coutant  <ccoutant@google.com>
1661
1662         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1663         * incremental.cc (Incremental_inputs::report_input_section): Fix
1664         comment, indentation.
1665         (Incremental_inputs::report_comdat_group): New function.
1666         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1667         of data for incremental input file entry.
1668         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1669         group count, COMDAT group signatures.
1670         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1671         an unchanged input file.
1672         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1673         Initialize new data member.
1674         (Incremental_object_entry::add_comdat_group): New function.
1675         (Incremental_object_entry::get_comdat_group_count): New function.
1676         (Incremental_object_entry::get_comdat_signature_key): New function.
1677         (Incremental_object_entry::groups_): New data member.
1678         (Incremental_inputs::report_comdat_group): New function.
1679         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1680         data for incremental input file entry.
1681         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1682         (Incremental_input_entry_reader::get_input_section): Adjust size of
1683         data for incremental input file entry.
1684         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1685         (Incremental_input_entry_reader::get_comdat_group_signature): New
1686         function.
1687         * object.cc (Sized_relobj::include_section_group): Report kept
1688         COMDAT groups for incremental links.
1689
1690 2011-05-24  David Meyer  <pdox@google.com>
1691
1692         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1693         with name parameter.  Add found_name parameter.
1694         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1695         * dirsearch.h (class Dirsearch): Update declaration.
1696
1697 2011-05-24  Ian Lance Taylor  <iant@google.com>
1698
1699         * archive.cc (Library_base::should_include_member): Pull in object
1700         from archive if it defines the entry symbol.
1701         * parameters.cc (Parameters::entry): New function.
1702         * parameters.h (class Parameters): Declare entry.
1703         * output.h (class Output_file_header): Remove entry_ field.
1704         * output.cc (Output_file_header::Output_file_header): Remove entry
1705         parameter.  Change all callers.
1706         (Output_file_header::entry): Use parameters->entry.
1707         * gold.cc (queue_middle_tasks): Likewise.
1708         * plugin.cc (Plugin_hook::run): Likewise.
1709
1710 2011-05-24 Cary Coutant  <ccoutant@google.com>
1711
1712         * gold.cc (queue_initial_tasks): Pass incremental base filename
1713         to Output_file::open_base_file; don't print error message.
1714         * incremental-dump.cc (main): Adjust call to
1715         Output_file::open_for_modification.
1716         * incremental-dump.cc (main): Likewise.
1717         * incremental.cc (Incremental_inputs::report_command_line):
1718         Ignore --incremental-base option when comparing command lines.
1719         Ignore parameter when given as separate argument.
1720         * options.h (class General_options): Add --incremental-base.
1721         * output.cc (Output_file::Output_file):
1722         (Output_file::open_base_file): Add base_name and writable parameters;
1723         read base file into new file; print error message here.
1724         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1725         callers.
1726         * output.h (Output_file::open_for_modification): Rename to...
1727         (Output_file::open_base_file): ...this; add base_name and
1728         writable parameters; adjust all callers.
1729         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1730         callers.
1731         * testsuite/Makefile.am (incremental_test_4): Test
1732         --incremental-base.
1733         * testsuite/Makefile.in: Regenerate.
1734
1735 2011-05-24 Cary Coutant  <ccoutant@google.com>
1736
1737         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1738         incremental_test_4.
1739         * testsuite/Makefile.in: Regenerate.
1740         * testsuite/two_file_test_1_v1.cc: New test source file.
1741         * testsuite/two_file_test_1b_v1.cc: New test source file.
1742         * testsuite/two_file_test_2_v1.cc: New test source file.
1743
1744 2011-05-24 Cary Coutant  <ccoutant@google.com>
1745
1746         * dynobj.h (Dynobj::do_dynobj): New function.
1747         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1748         flag and soname for shared objects.
1749         * incremental.cc (Incremental_inputs::report_object): Make
1750         either Incremental_object_entry or Incremental_dynobj_entry; add
1751         soname to string table.
1752         (Incremental_inputs::report_input_section): Add assertion.
1753         (Output_section_incremental_inputs::set_final_data_size): Adjust
1754         type of input file entry for shared libraries; adjust size of
1755         shared library info entry.
1756         (Output_section_incremental_inputs::write_input_files): Write
1757         as_needed flag for shared libraries.
1758         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1759         of input file entry for shared libraries; write soname.
1760         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1761         soname from incremental info.
1762         * incremental.h (enum Incremental_input_flags): Add
1763         INCREMENTAL_INPUT_AS_NEEDED.
1764         (Incremental_input_entry::Incremental_input_entry): Initialize new
1765         data member.
1766         (Incremental_input_entry::set_as_needed): New function.
1767         (Incremental_input_entry::as_needed): New function.
1768         (Incremental_input_entry::do_dynobj_entry): New function.
1769         (Incremental_input_entry::as_needed_): New data member.
1770         (Incremental_object_entry::Incremental_object_entry): Don't check
1771         for shared library.
1772         (Incremental_object_entry::do_type): Likewise.
1773         (class Incremental_dynobj_entry): New class.
1774         (Incremental_input_entry_reader::as_needed): New function.
1775         (Incremental_input_entry_reader::get_soname): New function.
1776         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1777         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1778         size of shared library info entry.
1779         * layout.cc (Layout::finish_dynamic_section): Don't test for
1780         incremental link when adding DT_NEEDED entries.
1781         * object.h (Object::Object): Initialize new data member.
1782         (Object::dynobj): New function.
1783         (Object::set_as_needed): New function.
1784         (Object::as_needed): New function.
1785         (Object::do_dynobj): New function.
1786         (Object::as_needed_): New data member.
1787
1788 2011-05-24 Cary Coutant  <ccoutant@google.com>
1789
1790         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1791         info; adjust display of GOT entries.
1792         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1793         vector of input objects; remove file_status_.
1794         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1795         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1796         got_plt reader; call target hooks to reserve GOT entries.
1797         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1798         of input file info header and GOT info entry.
1799         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1800         relocation info.
1801         (Got_plt_view_info::got_descriptor): Remove.
1802         (Got_plt_view_info::sym_index): New data member.
1803         (Got_plt_view_info::input_index): New data member.
1804         (Local_got_offset_visitor::visit): Write input file index.
1805         (Global_got_offset_visitor::visit): Write 0 for input file index.
1806         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1807         with sym_index and input_index.
1808         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1809         incremental info GOT entry; replace got_descriptor with input_index.
1810         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1811         map from input file index to object.
1812         (Sized_relobj_incr::do_layout): Replace direct data member reference
1813         with accessor function.
1814         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1815         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1816         Adjust size of input file info header.
1817         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1818         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1819         (Incremental_input_entry_reader::get_input_section): Adjust size of
1820         input file info header.
1821         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1822         of incremental info GOT entry.
1823         (Incremental_got_plt_reader::get_got_desc): Remove.
1824         (Incremental_got_plt_reader::get_got_symndx): New function.
1825         (Incremental_got_plt_reader::get_got_input_index): New function.
1826         (Sized_incremental_binary::Sized_incremental_binary): Remove
1827         file_status_; add input_objects_.
1828         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1829         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1830         (Sized_incremental_binary::file_is_unchanged): Remove.
1831         (Sized_incremental_binary::set_input_object): New function.
1832         (Sized_incremental_binary::input_object): New function.
1833         (Sized_incremental_binary::file_status_): Remove.
1834         (Sized_incremental_binary::input_objects_): New data member.
1835         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1836         references.
1837         (Sized_relobj_incr::invalid_address): Move to base class.
1838         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1839         class.
1840         (Sized_relobj_incr::do_output_section_offset): Likewise.
1841         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1842         (Sized_relobj_incr::section_offsets_): Likewise.
1843         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1844         function.
1845         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1846         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1847         with accessor function.
1848         (Sized_relobj_file::do_layout): Likewise.
1849         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1850         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1851         (Sized_relobj_file::compute_final_local_value): Replace refs to
1852         section_offsets_ with accessor function.
1853         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1854         * object.h (Relobj::Relobj): Initialize new data members.
1855         (Relobj::add_dyn_reloc): New function.
1856         (Relobj::first_dyn_reloc): New function.
1857         (Relobj::dyn_reloc_count): New function.
1858         (Relobj::first_dyn_reloc_): New data member.
1859         (Relobj::dyn_reloc_count_): New data member.
1860         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1861         references.
1862         (Sized_relobj::Address): New typedef.
1863         (Sized_relobj::invalid_address): Move here from child class.
1864         (Sized_relobj::Sized_relobj): Initialize new data members.
1865         (Sized_relobj::sized_relobj): New function.
1866         (Sized_relobj::is_output_section_offset_invalid): Move here from
1867         child class.
1868         (Sized_relobj::get_output_section_offset): Likewise.
1869         (Sized_relobj::local_has_got_offset): Likewise.
1870         (Sized_relobj::local_got_offset): Likewise.
1871         (Sized_relobj::set_local_got_offset): Likewise.
1872         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1873         (Sized_relobj::clear_got_offsets): New function.
1874         (Sized_relobj::section_offsets): Move here from child class.
1875         (Sized_relobj::do_output_section_offset): Likewise.
1876         (Sized_relobj::do_set_section_offset): Likewise.
1877         (Sized_relobj::Local_got_offsets): Likewise.
1878         (Sized_relobj::local_got_offsets_): Likewise.
1879         (Sized_relobj::section_offsets_): Likewise.
1880         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1881         references.
1882         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1883         class.
1884         (Sized_relobj_file::sized_relobj): New function
1885         (Sized_relobj_file::local_has_got_offset): Move to base class.
1886         (Sized_relobj_file::local_got_offset): Likewise.
1887         (Sized_relobj_file::set_local_got_offset): Likewise.
1888         (Sized_relobj_file::get_output_section_offset): Likewise.
1889         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1890         (Sized_relobj_file::do_output_section_offset): Likewise.
1891         (Sized_relobj_file::do_set_section_offset): Likewise.
1892         (Sized_relobj_file::Local_got_offsets): Likewise.
1893         (Sized_relobj_file::local_got_offsets_): Likewise.
1894         (Sized_relobj_file::section_offsets_): Likewise.
1895         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1896         (all constructors).
1897         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1898         (Output_reloc::get_symbol_index): Likewise.
1899         (Output_reloc::local_section_offset): Likewise.
1900         (Output_reloc::get_address): Likewise.
1901         (Output_reloc::symbol_value): Likewise.
1902         (Output_data_got::reserve_slot): Move to class definition.
1903         (Output_data_got::reserve_local): New function.
1904         (Output_data_got::reserve_slot_for_global): Remove.
1905         (Output_data_got::reserve_global): New function.
1906         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1907         (all constructors, two instantiations).
1908         (Output_reloc::get_relobj): New function (two instantiations).
1909         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1910         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1911         (Output_data_reloc::add_global): Adjust type of relobj.
1912         (Output_data_reloc::add_global_relative): Likewise.
1913         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1914         (Output_data_reloc::add_local): Likewise.
1915         (Output_data_reloc::add_local_relative): Likewise.
1916         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1917         (Output_data_reloc::add_local_section): Likewise.
1918         (Output_data_reloc::add_output_section): Likewise.
1919         (Output_data_reloc::add_absolute): Likewise.
1920         (Output_data_reloc::add_target_specific): Likewise.
1921         (Output_data_got::reserve_slot): Move definition here.
1922         (Output_data_got::reserve_local): New function.
1923         (Output_data_got::reserve_global): New function.
1924         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1925         section_offsets_ with accessor function.
1926         (Sized_relobj_file::write_sections): Likewise.
1927         (Sized_relobj_file::do_relocate_sections): Likewise.
1928         * target.h (Sized_target::reserve_local_got_entry): New function.
1929         (Sized_target::reserve_global_got_entry): New function.
1930         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1931         (Target_x86_64::reserve_global_got_entry): New function.
1932         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1933
1934 2011-05-23 Cary Coutant  <ccoutant@google.com>
1935
1936         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1937         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1938         bit when checking got_type.
1939         * incremental.cc (Sized_incremental_binary::setup_readers):
1940         Store symbol table and string table locations; initialize bit vector
1941         of file status flags.
1942         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1943         unchanged files.
1944         (Sized_incremental_binary::do_process_got_plt): New function.
1945         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1946         (Output_section_incremental_inputs::set_final_data_size): Record
1947         file index for each input file.
1948         (Output_section_incremental_inputs::write_got_plt): Store file index
1949         instead of input entry offset for each GOT entry.
1950         * incremental.h
1951         (Incremental_input_entry::Incremental_input_entry): Initialize new
1952         data member.
1953         (Incremental_input_entry::set_offset): Store file index.
1954         (Incremental_input_entry::get_file_index): New function.
1955         (Incremental_input_entry::file_index_): New data member.
1956         (Incremental_binary::process_got_plt): New function.
1957         (Incremental_binary::do_process_got_plt): New function.
1958         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1959         data members.
1960         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1961         (Sized_incremental_binary::set_file_is_unchanged): New function.
1962         (Sized_incremental_binary::file_is_unchanged): New function.
1963         (Sized_incremental_binary::do_process_got_plt): New function.
1964         (Sized_incremental_binary::file_status_): New data member.
1965         (Sized_incremental_binary::main_symtab_loc_): New data member.
1966         (Sized_incremental_binary::main_strtab_loc_): New data member.
1967         * output.cc (Output_data_got::Got_entry::write): Add case
1968         RESERVED_CODE.
1969         (Output_data_got::add_global): Call add_got_entry.
1970         (Output_data_got::add_global_plt): Likewise.
1971         (Output_data_got::add_global_with_rel): Likewise.
1972         (Output_data_got::add_global_with_rela): Likewise.
1973         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1974         (Output_data_got::add_global_pair_with_rela): Likewise.
1975         (Output_data_got::add_local): Call add_got_entry.
1976         (Output_data_got::add_local_plt): Likewise.
1977         (Output_data_got::add_local_with_rel): Likewise.
1978         (Output_data_got::add_local_with_rela): Likewise.
1979         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1980         (Output_data_got::add_local_pair_with_rela): Likewise.
1981         (Output_data_got::reserve_slot): New function.
1982         (Output_data_got::reserve_slot_for_global): New function.
1983         (Output_data_got::add_got_entry): New function.
1984         (Output_data_got::add_got_entry_pair): New function.
1985         (Output_section::add_output_section_data): Edit FIXME.
1986         * output.h
1987         (Output_section_data_build::Output_section_data_build): New
1988         constructor with size parameter.
1989         (Output_data_space::Output_data_space): Likewise.
1990         (Output_data_got::Output_data_got): Initialize new data member; new
1991         constructor with size parameter.
1992         (Output_data_got::add_constant): Call add_got_entry.
1993         (Output_data_got::reserve_slot): New function.
1994         (Output_data_got::reserve_slot_for_global): New function.
1995         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1996         (Output_data_got::add_got_entry): New function.
1997         (Output_data_got::add_got_entry_pair): New function.
1998         (Output_data_got::free_list_): New data member.
1999         * target.h (Sized_target::init_got_plt_for_update): New function.
2000         (Sized_target::register_global_plt_entry): New function.
2001         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2002         Initialize new data member; call init; add constructor with PLT count.
2003         (Output_data_plt_x86_64::init): New function.
2004         (Output_data_plt_x86_64::add_relocation): New function.
2005         (Output_data_plt_x86_64::reserve_slot): New function.
2006         (Output_data_plt_x86_64::free_list_): New data member.
2007         (Target_x86_64::init_got_plt_for_update): New function.
2008         (Target_x86_64::register_global_plt_entry): New function.
2009         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2010         incremental updates.
2011         (Output_data_plt_x86_64::add_relocation): New function.
2012         * testsuite/object_unittest.cc (Object_test): Set default options.
2013
2014 2011-05-16  Ian Lance Taylor  <iant@google.com>
2015
2016         * options.h (class General_options): Make -i a synonym for -r.
2017
2018 2011-05-16  Ian Lance Taylor  <iant@google.com>
2019
2020         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2021
2022 2011-05-10 Cary Coutant  <ccoutant@google.com>
2023
2024         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2025         strip_all (-s).
2026
2027 2011-05-06  Ian Lance Taylor  <iant@google.com>
2028
2029         * layout.cc (Layout::layout): If the output section flags change,
2030         update the ordering.
2031
2032 2011-04-25 Cary Coutant  <ccoutant@google.com>
2033
2034         * incremental-dump.cc (dump_incremental_inputs): Print local
2035         symbol info for each input file.
2036         * incremental.cc
2037         (Output_section_incremental_inputs::set_final_data_size): Add local
2038         symbol info to input file entries in incremental info.
2039         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2040         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2041         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2042         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2043         implementation.
2044         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2045         (Sized_incr_relobj::do_relocate): Write the local symbols.
2046         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2047         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2048         Adjust size of input file header.
2049         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2050         (Incremental_inputs_reader::get_local_symbol_count): New function.
2051         (Incremental_inputs_reader::get_input_section): Adjust size of input
2052         file header.
2053         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2054         (Sized_incr_relobj::This): New typedef.
2055         (Sized_incr_relobj::sym_size): New const data member.
2056         (Sized_incr_relobj::Local_symbol): New struct.
2057         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2058         (Sized_incr_relobj::do_local_symbol_offset): New function.
2059         (Sized_incr_relobj::local_symbol_count_): New data member.
2060         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2061         (Sized_incr_relobj::local_symbol_index_): New data member.
2062         (Sized_incr_relobj::local_symbol_offset_): New data member.
2063         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2064         (Sized_incr_relobj::local_symbols_): New data member.
2065         * object.h (Relobj::output_local_symbol_count): New function.
2066         (Relobj::local_symbol_offset): New function.
2067         (Relobj::do_output_local_symbol_count): New function.
2068         (Relobj::do_local_symbol_offset): New function.
2069         (Sized_relobj::do_output_local_symbol_count): New function.
2070         (Sized_relobj::do_local_symbol_offset): New function.
2071
2072 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2073
2074         * descriptors.cc (set_close_on_exec): New function.
2075         (Descriptors::open): Use set_close_on_exec.
2076         * output.cc (S_ISLNK): Define if not defined.
2077
2078 2011-04-22 Cary Coutant  <ccoutant@google.com>
2079
2080         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2081         global symbol map.
2082         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2083         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2084         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2085         relocations.
2086         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2087         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2088         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2089         * incremental.h
2090         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2091         function.
2092         (Incremental_binary::apply_incremental_relocs): New function.
2093         (Incremental_binary::do_apply_incremental_relocs): New function.
2094         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2095         data member.
2096         (Sized_incremental_binary::add_global_symbol): New function.
2097         (Sized_incremental_binary::global_symbol): New function.
2098         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2099         (Sized_incremental_binary::symbol_map_): New data member.
2100         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2101         * target.h (Sized_target::apply_relocation): New function.
2102         * target-reloc.h (apply_relocation): New function.
2103         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2104
2105 2011-04-22  Doug Kwan  <dougkwan@google.com>
2106
2107         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2108         flag of a SHT_ARM_EXIDX section.
2109         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2110         * testsuite/Makefile.in: Regenerate.
2111         * testsuite/arm_exidx_test.s: New file.
2112         * testsuite/arm_exidx_test.sh: Same.
2113
2114 2011-04-20 Cary Coutant  <ccoutant@google.com>
2115
2116         PR gold/12689
2117         * archive.h (Incremental_archive_entry::Archive_member):
2118         Initialize arg_serial_ (second constructor).
2119
2120 2011-04-17  Ian Lance Taylor  <iant@google.com>
2121
2122         * object.cc (Relocate_info::location): Simplify location string.
2123         * errors.cc (Errors::error_at_location): Don't print program
2124         name.
2125         (Errors::warning_at_location): Likewise.
2126         (Errors::undefined_symbol): Likewise.
2127         * testsuite/debug_msg.sh: Update accordingly.
2128
2129 2011-04-14 Cary Coutant  <ccoutant@google.com>
2130
2131         * gold/layout.cc (Layout::symtab_section_offset): New function.
2132         * gold/layout.h (Layout::symtab_section_offset): New function.
2133         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2134
2135 2011-04-12  Ian Lance Taylor  <iant@google.com>
2136
2137         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2138         with MREMAP_MAYMOVE.
2139         * output.h (class Output_file): Add map_is_allocated_ field.
2140         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2141         not available, provide stubs.  If mremap is not available, #define
2142         it to gold_mremap.
2143         (MREMAP_MAYMOVE): Define if not defined.
2144         (Output_file::Output_file): Initialize map_is_allocated_.
2145         (Output_file::resize): Check map_is_allocated_.
2146         (Output_file::map_anonymous): If mmap fails, use malloc.
2147         (Output_file::unmap): Don't do anything for an anonymous map.
2148         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2149         is not available, provide stubs.
2150         (File_read::View::~View): Use free rather than delete[].
2151         (File_read::make_view): Use malloc rather than new[].  If mmap
2152         fails, use malloc.
2153         (File_read::find_or_make_view): Use malloc rather than new[].
2154         * gold.h: Remove HAVE_REMAP code.
2155         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2156         exists.  Rename mremap to gold_mremap.  If mmap is not available
2157         don't do anything.
2158         * configure, config.in: Rebuild.
2159
2160 2011-04-11  Ian Lance Taylor  <iant@google.com>
2161
2162         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2163         initialize local variable v.
2164
2165 2011-04-11  Cary Coutant  <ccoutant@google.com>
2166
2167         * archive.cc (Archive::include_member): Adjust call to
2168         report_object.
2169         (Add_archive_symbols::run): Track argument serial numbers.
2170         (Lib_group::include_member): Likewise.
2171         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2172         * archive.h (Incremental_archive_entry::Archive_member):
2173         Initialize arg_serial_.
2174         (Archive_member::arg_serial_): New data member.
2175         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2176         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2177         incremental link.
2178         (Sized_dynobj::do_for_all_local_got_entries): New function.
2179         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2180         function.
2181         * fileread.cc (get_mtime): New function.
2182         * fileread.h (get_mtime): New function.
2183         * gold.cc (queue_initial_tasks): Check for incremental update.
2184         (process_incremental_input): New function.
2185         (queue_middle_tasks): Don't force valid target for incremental
2186         update.
2187         * incremental-dump.cc (find_input_containing_global): Adjust
2188         size of symbol info entry.
2189         (dump_incremental_inputs): Dump argument serial number and
2190         in_system_directory flag; bias shndx by 1; print symbol names
2191         when dumping per-file symbol lists; use new symbol info readers.
2192         * incremental.cc
2193         (Output_section_incremental_inputs:update_data_size): New function.
2194         (Sized_incremental_binary::setup_readers): Setup input readers
2195         for each input file; build maps for files added from libraries
2196         and scripts.
2197         (Sized_incremental_binary::check_input_args): New function.
2198         (Sized_incremental_binary::do_check_inputs): Build map of argument
2199         serial numbers to input arguments.
2200         (Sized_incremental_binary::do_file_has_changed): Rename
2201         do_file_is_unchanged to this; compare file modification times.
2202         (Sized_incremental_binary::do_init_layout): New function.
2203         (Sized_incremental_binary::do_reserve_layout): New function.
2204         (Sized_incremental_binary::do_get_input_reader): Remove.
2205         (Sized_incremental_binary::get_symtab_view): New function.
2206         (Incremental_checker::can_incrementally_link_output_file): Remove.
2207         (Incremental_inputs::report_command_line): Exclude --debug options.
2208         (Incremental_inputs::report_archive_begin): Add parameter; track
2209         argument serial numbers; don't put input file entry for archive
2210         before archive members.
2211         (Incremental_inputs::report_archive_end): Put input file entry
2212         for archive after archive members.
2213         (Incremental_inputs::report_object): Add parameter; track argument
2214         serial numbers and in_system_directory flag.
2215         (Incremental_inputs::report_script): Add parameter; track argument
2216         serial numbers.
2217         (Output_section_incremental_inputs::set_final_data_size): Adjust
2218         size of symbol info entry; check for forwarding symbols.
2219         (Output_section_incremental_inputs::write_input_files): Write
2220         in_system_directory flag and argument serial number.
2221         (Output_section_incremental_inputs::write_info_blocks): Map section
2222         indices between incremental info and original input file; store
2223         input section index for each symbol.
2224         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2225         change operator() to visit().
2226         (class Global_got_offset_visitor): Likewise.
2227         (class Global_symbol_visitor_got_plt):
2228         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2229         classes.
2230         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2231         (Sized_incr_relobj::do_read_symbols): New function.
2232         (Sized_incr_relobj::do_layout): New function.
2233         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2234         (Sized_incr_relobj::do_add_symbols): New function.
2235         (Sized_incr_relobj::do_should_include_member): New function.
2236         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2237         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2238         (Sized_incr_relobj::do_section_size): New function.
2239         (Sized_incr_relobj::do_section_name): New function.
2240         (Sized_incr_relobj::do_section_contents): New function.
2241         (Sized_incr_relobj::do_section_flags): New function.
2242         (Sized_incr_relobj::do_section_entsize): New function.
2243         (Sized_incr_relobj::do_section_address): New function.
2244         (Sized_incr_relobj::do_section_type): New function.
2245         (Sized_incr_relobj::do_section_link): New function.
2246         (Sized_incr_relobj::do_section_info): New function.
2247         (Sized_incr_relobj::do_section_addralign): New function.
2248         (Sized_incr_relobj::do_initialize_xindex): New function.
2249         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2250         (Sized_incr_relobj::do_read_relocs): New function.
2251         (Sized_incr_relobj::do_gc_process_relocs): New function.
2252         (Sized_incr_relobj::do_scan_relocs): New function.
2253         (Sized_incr_relobj::do_count_local_symbols): New function.
2254         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2255         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2256         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2257         (Sized_incr_relobj::do_relocate): New function.
2258         (Sized_incr_relobj::do_set_section_offset): New function.
2259         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2260         (Sized_incr_dynobj::do_read_symbols): New function.
2261         (Sized_incr_dynobj::do_layout): New function.
2262         (Sized_incr_dynobj::do_add_symbols): New function.
2263         (Sized_incr_dynobj::do_should_include_member): New function.
2264         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2265         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2266         (Sized_incr_dynobj::do_section_size): New function.
2267         (Sized_incr_dynobj::do_section_name): New function.
2268         (Sized_incr_dynobj::do_section_contents): New function.
2269         (Sized_incr_dynobj::do_section_flags): New function.
2270         (Sized_incr_dynobj::do_section_entsize): New function.
2271         (Sized_incr_dynobj::do_section_address): New function.
2272         (Sized_incr_dynobj::do_section_type): New function.
2273         (Sized_incr_dynobj::do_section_link): New function.
2274         (Sized_incr_dynobj::do_section_info): New function.
2275         (Sized_incr_dynobj::do_section_addralign): New function.
2276         (Sized_incr_dynobj::do_initialize_xindex): New function.
2277         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2278         (make_sized_incremental_object): New function.
2279         (Incremental_library::copy_unused_symbols): New function.
2280         (Incremental_library::do_for_all_unused_symbols): New function.
2281         * incremental.h (enum Incremental_input_flags): New type.
2282         (class Incremental_checker): Remove.
2283         (Incremental_input_entry::Incremental_input_entry): Add argument
2284         serial number.
2285         (Incremental_input_entry::arg_serial): New function.
2286         (Incremental_input_entry::set_is_in_system_directory): New function.
2287         (Incremental_input_entry::is_in_system_directory): New function.
2288         (Incremental_input_entry::arg_serial_): New data member.
2289         (Incremental_input_entry::is_in_system_directory_): New data member.
2290         (class Script_info): Move here from script.h.
2291         (Script_info::Script_info): Add filename parameter.
2292         (Script_info::filename): New function.
2293         (Script_info::filename_): New data member.
2294         (Incremental_script_entry::Incremental_script_entry): Add argument
2295         serial number.
2296         (Incremental_object_entry::Incremental_object_entry): Likewise.
2297         (Incremental_object_entry::add_input_section): Build list of input
2298         sections with map to original shndx.
2299         (Incremental_object_entry::get_input_section_index): New function.
2300         (Incremental_object_entry::shndx_): New data member.
2301         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2302         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2303         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2304         serial number.
2305         (Incremental_inputs::report_archive_begin): Likewise.
2306         (Incremental_inputs::report_object): Likewise.
2307         (Incremental_inputs::report_script): Likewise.
2308         (class Incremental_global_symbol_reader): New class.
2309         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2310         and store flags and input file type.
2311         (Incremental_input_entry_reader::arg_serial): New function.
2312         (Incremental_input_entry_reader::type): Extract type from flags.
2313         (Incremental_input_entry_reader::is_in_system_directory): New function.
2314         (Incremental_input_entry_reader::get_input_section_count): Call
2315         accessor function for type.
2316         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2317         function for type; adjust size of global symbol entry.
2318         (Incremental_input_entry_reader::get_global_symbol_count): Call
2319         accessor function for type.
2320         (Incremental_input_entry_reader::get_object_count): Likewise.
2321         (Incremental_input_entry_reader::get_object_offset): Likewise.
2322         (Incremental_input_entry_reader::get_member_count): Likewise.
2323         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2324         (Incremental_input_entry_reader::get_member_offset): Likewise.
2325         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2326         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2327         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2328         (Incremental_input_entry_reader::get_global_symbol_reader): New
2329         function.
2330         (Incremental_input_entry_reader::get_output_symbol_index): New
2331         function.
2332         (Incremental_input_entry_reader::type_): Remove.
2333         (Incremental_input_entry_reader::flags_): New data member.
2334         (Incremental_inputs_reader::input_file_offset): New function.
2335         (Incremental_inputs_reader::input_file_index): New function.
2336         (Incremental_inputs_reader::input_file): Call input_file_offset.
2337         (Incremental_inputs_reader::input_file_at_offset): New function.
2338         (Incremental_relocs_reader::get_r_type): Reformat.
2339         (Incremental_relocs_reader::get_r_shndx): Reformat.
2340         (Incremental_relocs_reader::get_r_offset): Reformat.
2341         (Incremental_relocs_reader::data): New function.
2342         (Incremental_binary::Incremental_binary): Initialize new data members.
2343         (Incremental_binary::check_inputs): Add cmdline parameter.
2344         (Incremental_binary::file_is_unchanged): Remove.
2345         (Input_reader::arg_serial): New function.
2346         (Input_reader::get_unused_symbol_count): New function.
2347         (Input_reader::get_unused_symbol): New function.
2348         (Input_reader::do_arg_serial): New function.
2349         (Input_reader::do_get_unused_symbol_count): New function.
2350         (Input_reader::do_get_unused_symbol): New function.
2351         (Incremental_binary::input_file_count): New function.
2352         (Incremental_binary::get_input_reader): Change signature to use
2353         index instead of filename.
2354         (Incremental_binary::file_has_changed): New function.
2355         (Incremental_binary::get_input_argument): New function.
2356         (Incremental_binary::get_library): New function.
2357         (Incremental_binary::get_script_info): New function.
2358         (Incremental_binary::init_layout): New function.
2359         (Incremental_binary::reserve_layout): New function.
2360         (Incremental_binary::output_file): New function.
2361         (Incremental_binary::do_check_inputs): New function.
2362         (Incremental_binary::do_file_is_unchanged): Remove.
2363         (Incremental_binary::do_file_has_changed): New function.
2364         (Incremental_binary::do_init_layout): New function.
2365         (Incremental_binary::do_reserve_layout): New function.
2366         (Incremental_binary::do_input_file_count): New function.
2367         (Incremental_binary::do_get_input_reader): Change signature.
2368         (Incremental_binary::input_args_map_): New data member.
2369         (Incremental_binary::library_map_): New data member.
2370         (Incremental_binary::script_map_): New data member.
2371         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2372         new data members.
2373         (Sized_incremental_binary::output_section): New function.
2374         (Sized_incremental_binary::inputs_reader): Add const.
2375         (Sized_incremental_binary::symtab_reader): Add const.
2376         (Sized_incremental_binary::relocs_reader): Add const.
2377         (Sized_incremental_binary::got_plt_reader): Add const.
2378         (Sized_incremental_binary::get_symtab_view): New function.
2379         (Sized_incremental_binary::Inputs_reader): New typedef.
2380         (Sized_incremental_binary::Input_entry_reader): New typedef.
2381         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2382         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2383         (Sized_incremental_binary::do_file_has_changed): New function.
2384         (Sized_incremental_binary::do_init_layout): New function.
2385         (Sized_incremental_binary::do_reserve_layout): New function.
2386         (Sized_input_reader::Inputs_reader): Remove.
2387         (Sized_input_reader::Input_entry_reader): Remove.
2388         (Sized_input_reader::do_arg_serial): New function.
2389         (Sized_input_reader::do_get_unused_symbol_count): New function.
2390         (Sized_input_reader::do_get_unused_symbol): New function.
2391         (Sized_incremental_binary::do_input_file_count): New function.
2392         (Sized_incremental_binary::do_get_input_reader): Change signature;
2393         use index instead of filename.
2394         (Sized_incremental_binary::section_map_): New data member.
2395         (Sized_incremental_binary::input_entry_readers_): New data member.
2396         (class Sized_incr_relobj): New class.
2397         (class Sized_incr_dynobj): New class.
2398         (make_sized_incremental_object): New function.
2399         (class Incremental_library): New class.
2400         * layout.cc (Free_list::num_lists): New static data member.
2401         (Free_list::num_nodes): New static data member.
2402         (Free_list::num_removes): New static data member.
2403         (Free_list::num_remove_visits): New static data member.
2404         (Free_list::num_allocates): New static data member.
2405         (Free_list::num_allocate_visits): New static data member.
2406         (Free_list::init): New function.
2407         (Free_list::remove): New function.
2408         (Free_list::allocate): New function.
2409         (Free_list::dump): New function.
2410         (Free_list::print_stats): New function.
2411         (Layout_task_runner::run): Resize output file for incremental updates.
2412         (Layout::Layout): Initialize new data members.
2413         (Layout::set_incremental_base): New function.
2414         (Layout::init_fixed_output_section): New function.
2415         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2416         incremental updates.
2417         (Layout::create_gold_note): Do not create gold note section for
2418         incremental updates.
2419         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2420         for incremental updates.
2421         (Layout::set_section_offsets): For incremental updates, allocate space
2422         from free list.
2423         (Layout::create_symtab_sections): Layout with offsets relative to
2424         start of section; for incremental updates, allocate space from free
2425         list.
2426         (Layout::create_shdrs): For incremental updates, allocate space from
2427         free list.
2428         (Layout::finish_dynamic_section): For incremental updates, do not
2429         check --as-needed (fixed in subsequent patch).
2430         * layout.h (class Free_list): New class.
2431         (Layout::set_incremental_base): New function.
2432         (Layout::incremental_base): New function.
2433         (Layout::init_fixed_output_section): New function.
2434         (Layout::allocate): New function.
2435         (Layout::incremental_base_): New data member.
2436         (Layout::free_list_): New data member.
2437         * main.cc (main): Print Free_list statistics.
2438         * object.cc (Relobj::finalize_incremental_relocs): Add
2439         clear_counts parameter; clear counts only when clear_counts is set.
2440         (Sized_relobj::Sized_relobj): Initialize new base class.
2441         (Sized_relobj::do_layout): Don't report special sections.
2442         (Sized_relobj::do_for_all_local_got_entries): New function.
2443         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2444         symtab_off to all symbol table offsets.
2445         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2446         * object.h (class Got_offset_list): Move to top of file.
2447         (Object::Object): Allow case where input_file == NULL.
2448         (Object::~Object): Likewise.
2449         (Object::input_file): Assert that input_file != NULL.
2450         (Object::lock): Allow case where input_file == NULL.
2451         (Object::unlock): Likewise.
2452         (Object::is_locked): Likewise.
2453         (Object::token): Likewise.
2454         (Object::release): Likewise.
2455         (Object::is_incremental): New function.
2456         (Object::get_mtime): New function.
2457         (Object::for_all_local_got_entries): New function.
2458         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2459         (Object::set_is_in_system_directory): New function.
2460         (Object::is_in_system_directory): New function.
2461         (Object::do_is_incremental): New function.
2462         (Object::do_get_mtime): New function.
2463         (Object::do_for_all_local_got_entries): New function.
2464         (Object::is_in_system_directory_): New data member.
2465         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2466         (class Sized_relobj_base): New class.
2467         (class Sized_relobj): Derive from Sized_relobj_base.
2468         (class Sized_relobj::Symbols): Redeclare from base class.
2469         (class Sized_relobj::local_got_offset_list): Remove.
2470         (class Sized_relobj::Output_sections): Redeclare from base class.
2471         (class Sized_relobj::do_for_all_local_got_entries): New function.
2472         (class Sized_relobj::write_local_symbols): Add offset parameter.
2473         (class Sized_relobj::local_symbol_offset_): Update comment.
2474         (class Sized_relobj::local_dynsym_offset_): Update comment.
2475         * options.cc (Input_arguments::add_file): Remove const.
2476         * options.h (Input_file_argument::Input_file_argument):
2477         Initialize arg_serial_ (all constructors).
2478         (Input_file_argument::set_arg_serial): New function.
2479         (Input_file_argument::arg_serial): New function.
2480         (Input_file_argument::arg_serial_): New data member.
2481         (Input_arguments::Input_arguments): Initialize file_count_.
2482         (Input_arguments::add_file): Remove const.
2483         (Input_arguments::number_of_input_files): New function.
2484         (Input_arguments::file_count_): New data member.
2485         (Command_line::number_of_input_files): Call
2486         Input_arguments::number_of_input_files.
2487         * output.cc (Output_segment_headers::Output_segment_headers):
2488         Set current size.
2489         (Output_section::Input_section::current_data_size): New function.
2490         (Output_section::Output_section): Initialize new data members.
2491         (Output_section::add_input_section): Don't do merge sections for
2492         an incremental link; allocate space from free list for an
2493         incremental update.
2494         (Output_section::add_output_section_data): Allocate space from
2495         free list for an incremental update.
2496         (Output_section::update_data_size): New function.
2497         (Output_section::set_fixed_layout): New function.
2498         (Output_section::reserve): New function.
2499         (Output_segment::set_section_addresses): Remove const.
2500         (Output_segment::set_section_list_addresses): Remove const; allocate
2501         space from free list for an incremental update.
2502         (Output_segment::set_offset): Adjust size of RELRO segment for an
2503         incremental update.
2504         * output.h (Output_data::current_data_size): Move here from
2505         child classes.
2506         (Output_data::pre_finalize_data_size): New function.
2507         (Output_data::update_data_size): New function.
2508         (Output_section_headers::update_data_size): new function.
2509         (Output_section_data_build::current_data_size): Move to Output_data.
2510         (Output_data_strtab::update_data_size): New function.
2511         (Output_section::current_data_size): Move to Output_data.
2512         (Output_section::set_fixed_layout): New function.
2513         (Output_section::has_fixed_layout): New function.
2514         (Output_section::reserve): New function.
2515         (Output_section::update_data_size): New function.
2516         (Output_section::has_fixed_layout_): New data member.
2517         (Output_section::free_list_): New data member.
2518         (Output_segment::set_section_addresses): Remove const.
2519         (Output_segment::set_section_list_addresses): Remove const.
2520         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2521         New function.
2522         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2523         New function.
2524         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2525         parameter when calling Add_symbols constructor; store argument
2526         serial number for members of a lib group.
2527         (Add_symbols::locks): Allow case where token == NULL.
2528         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2529         (Read_member::~Read_member): New function.
2530         (Read_member::is_runnable): New function.
2531         (Read_member::locks): New function.
2532         (Read_member::run): New function.
2533         (Check_script::~Check_script): New function.
2534         (Check_script::is_runnable): New function.
2535         (Check_script::locks): New function.
2536         (Check_script::run): New function.
2537         (Check_library::~Check_library): New function.
2538         (Check_library::is_runnable): New function.
2539         (Check_library::locks): New function.
2540         (Check_library::run): New function.
2541         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2542         (Add_symbols::library_): New data member.
2543         (class Read_member): New class.
2544         (class Check_script): New class.
2545         (class Check_library): New class.
2546         * reloc.cc (Read_relocs::is_runnable): Allow case where
2547         token == NULL.
2548         (Read_relocs::locks): Likewise.
2549         (Scan_relocs::locks): Likewise.
2550         (Relocate_task::locks): Likewise.
2551         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2552         to clear counters.
2553         (Sized_relobj::incremental_relocs_scan): Fix comment.
2554         (Sized_relobj::do_relocate): Pass output file offset to
2555         write_local_symbols.
2556         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2557         from class declaration.
2558         * script.cc (read_input_script): Allocate Script_info; pass
2559         argument serial number to report_script.
2560         * script.h (class Script_info): Move to incremental.h.
2561         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2562         * symtab.h (Symbol_table::add_from_incrobj): New function.
2563         (Symbol_table::set_file_offset): New function.
2564
2565 2011-04-05  Cary Coutant  <ccoutant@google.com>
2566
2567         * incremental-dump.cc (dump_incremental_inputs): Change signature
2568         to take a Sized_incremental_binary; change caller.  Use readers
2569         in Sized_incremental_binary.
2570         * incremental.cc
2571         (Sized_incremental_binary::find_incremental_inputs_sections):
2572         Rename do_find_incremental_inputs_sections to this.
2573         (Sized_incremental_binary::setup_readers): New function.
2574         (Sized_incremental_binary::do_check_inputs): Check
2575         has_incremental_info_ flag; move setup code to setup_readers;
2576         use input readers.
2577         (Sized_incremental_binary::do_file_is_unchanged): New function.
2578         (Sized_incremental_binary::do_get_input_reader): New function.
2579         * incremental.h (class Incremental_binary): Move to end of file.
2580         (Incremental_binary::file_is_unchanged): New function.
2581         (Incremental_binary::do_file_is_unchanged): New function.
2582         (Incremental_binary::Input_reader): New class.
2583         (Incremental_binary::get_input_reader): New function.
2584         (class Sized_incremental_binary): Move to end of file.
2585         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2586         input section reader classes.
2587         (Sized_incremental_binary::has_incremental_info): New function.
2588         (Sized_incremental_binary::inputs_reader): New function.
2589         (Sized_incremental_binary::symtab_reader): New function.
2590         (Sized_incremental_binary::relocs_reader): New function.
2591         (Sized_incremental_binary::got_plt_reader): New function.
2592         (Sized_incremental_binary::do_file_is_unchanged): New function.
2593         (Sized_incremental_binary::Sized_input_reader): New class.
2594         (Sized_incremental_binary::get_input_reader): New function.
2595         (Sized_incremental_binary::find_incremental_inputs_sections):
2596         Rename do_find_incremental_inputs_sections to this.
2597         (Sized_incremental_binary::setup_readers): New function.
2598         (Sized_incremental_binary::has_incremental_info_): New data member.
2599         (Sized_incremental_binary::inputs_reader_): New data member.
2600         (Sized_incremental_binary::symtab_reader_): New data member.
2601         (Sized_incremental_binary::relocs_reader_): New data member.
2602         (Sized_incremental_binary::got_plt_reader_): New data member.
2603         (Sized_incremental_binary::current_input_file_): New data member.
2604
2605 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2606
2607         PR gold/12640
2608         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2609         violation.
2610
2611 2011-03-30  Cary Coutant  <ccoutant@google.com>
2612
2613         * archive.cc (Archive::include_member): Adjust call to report_object.
2614         (Add_archive_symbols::run): Add script_info to call to
2615         report_archive_begin.
2616         (Lib_group::include_member): Adjust call to report_object.
2617         (Add_lib_group_symbols::run): Adjust call to report_object.
2618         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2619         blocks.  Add object count for script input files.
2620         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2621         script_info parameter; change all callers.
2622         (Incremental_inputs::report_object): Add script_info parameter;
2623         change all callers.
2624         (Incremental_inputs::report_script): Store backpointer to
2625         incremental info entry.
2626         (Output_section_incremental_inputs::set_final_data_size): Record
2627         additional information for scripts.
2628         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2629         * incremental.h (Incremental_script_entry::add_object): New function.
2630         (Incremental_script_entry::get_object_count): New function.
2631         (Incremental_script_entry::get_object): New function.
2632         (Incremental_script_entry::objects_): New data member; adjust
2633         constructor.
2634         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2635         (Incremental_inputs::report_object): Add script_info parameter.
2636         (Incremental_inputs_reader::get_object_count): New function.
2637         (Incremental_inputs_reader::get_object_offset): New function.
2638         * options.cc (Input_arguments::add_file): Return reference to
2639         new input argument.
2640         * options.h (Input_argument::set_script_info): New function.
2641         (Input_argument::script_info): New function.
2642         (Input_argument::script_info_): New data member; adjust all
2643         constructors.
2644         (Input_file_group::add_file): Return reference to new input argument.
2645         (Input_file_lib::add_file): Likewise.
2646         (Input_arguments::add_file): Likewise.
2647         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2648         * script.cc (Parser_closure::Parser_closure): Add script_info
2649         parameter; adjust all callers.
2650         (Parser_closure::script_info): New function.
2651         (Parser_closure::script_info_): New data member.
2652         (read_input_script): Report scripts earlier to incremental info.
2653         (script_add_file): Set script_info in Input_argument.
2654         (script_add_library): Likewise.
2655         * script.h (Script_options::Script_info): Rewrite class.
2656
2657 2011-03-29  Cary Coutant  <ccoutant@google.com>
2658
2659         * archive.cc (Library_base::should_include_member): Move
2660         method here from class Archive.
2661         (Archive::Archive): Initialize base class.
2662         (Archive::should_include_member): Move to base class.
2663         (Archive::do_for_all_unused_symbols): New function.
2664         (Add_archive_symbols::run): Remove redundant access to
2665         incremental_inputs.
2666         (Lib_group::Lib_group): Initialize base class.
2667         (Lib_group::do_filename): New function.
2668         (Lib_group::include_member): Pass pointer to Lib_group to
2669         report_object.
2670         (Lib_group::do_for_all_unused_symbols): New function.
2671         (Add_lib_group_symbols::run): Report archive information for
2672         incremental links.
2673         * archive.h (class Library_base): New base class.
2674         (class Archive): Derive from Library_base.
2675         (Archive::filename): Move to base class.
2676         (Archive::set_incremental_info): Likewise.
2677         (Archive::incremental_info): Likewise.
2678         (Archive::Should_include): Likewise.
2679         (Archive::should_include_member): Likewise.
2680         (Archive::Armap_entry): Remove.
2681         (Archive::Unused_symbol_iterator): Remove.
2682         (Archive::unused_symbols_begin): Remove.
2683         (Archive::unused_symbols_end): Remove.
2684         (Archive::do_filename): New function.
2685         (Archive::do_get_mtime): New function.
2686         (Archive::do_for_all_unused_symbols): New function.
2687         (Archive::task_): Move to base class.
2688         (Archive::incremental_info_): Likewise.
2689         (class Lib_group): Derive from Library_base.
2690         (Lib_group::do_filename): New function.
2691         (Lib_group::do_get_mtime): New function.
2692         (Lib_group::do_for_all_unused_symbols): New function.
2693         (Lib_group::task_): Move to base class.
2694         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2695         function.
2696         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2697         function.
2698         * incremental.cc (Incremental_inputs::report_archive_begin):
2699         Use Library_base; call library's get_mtime; add incremental inputs
2700         entry before members.
2701         (class Unused_symbol_visitor): New class.
2702         (Incremental_inputs::report_archive_end): Use Library_base; use
2703         visitor class to record unused symbols; don't add incremental inputs
2704         entry after members.
2705         (Incremental_inputs::report_object): Use Library_base.
2706         * incremental.h
2707         (Incremental_archive_entry::Incremental_archive_entry): Remove
2708         unused Archive parameter.
2709         (Incremental_inputs::report_archive_begin): Use Library_base.
2710         (Incremental_inputs::report_archive_end): Likewise.
2711         (Incremental_inputs::report_object): Likewise.
2712         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2713         function.
2714         * object.h (Object::for_all_global_symbols): New function.
2715         (Object::do_for_all_global_symbols): New function.
2716         (Sized_relobj::do_for_all_global_symbols): New function.
2717         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2718         function.
2719         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2720         function.
2721
2722 2011-03-27  Ian Lance Taylor  <iant@google.com>
2723
2724         * archive.cc (Archive::interpret_header): Return -1 if something
2725         goes wrong.  Change callers accordingly.
2726
2727 2011-03-25  Cary Coutant  <ccoutant@google.com>
2728
2729         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2730         * testsuite/Makefile.in: Regenerate.
2731
2732 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2733
2734         * plugin.cc (get_view): New.
2735         (Plugin::load): Pass get_view to the plugin.
2736         (Plugin_manager::get_view): New.
2737
2738 2011-03-21  Ian Lance Taylor  <iant@google.com>
2739
2740         * testsuite/final_layout.sh: Rewrite to not use dc.
2741         * testsuite/relro_test.sh: Fail if dc is not present.
2742
2743 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2744
2745         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2746         Change == to -eq.
2747         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2748         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2749         Change == to -eq.
2750         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2751         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2752
2753 2011-03-14  Ian Lance Taylor  <iant@google.com>
2754
2755         * script-sections.cc (Sort_output_sections::script_compare):
2756         Rename from is_before, change return type.
2757         (Sort_output_sections::operator()): Adjust accordingly.
2758
2759 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2760
2761         PR gold/12572
2762         * testsuite/odr_violation2.cc: Add comment to make all error line
2763         numbers double digits.
2764         * testsuite/debug_msg.sh: Adjust expected errors.
2765
2766 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2767
2768         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2769         but mark earlier ones as non-canonical
2770         (offset_to_iterator): Update search target and example
2771         (do_addr2line): Return extra lines in a vector*
2772         (format_file_lineno): Extract from do_addr2line
2773         (one_addr2line): Add vector* out-param
2774         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2775         when a lineno entry appeared last for its instruction
2776         (Dwarf_line_info): Add vector* out-param
2777         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2778         * symtab.cc (Odr_violation_compare): Include the lineno in the
2779         comparison again.
2780         (linenos_from_loc): New. Combine the canonical line for an
2781         address with its other lines.
2782         (True_if_intersect): New. Helper functor to make
2783         std::set_intersection a query.
2784         (detect_odr_violations): Compare sets of lines instead of just
2785         one line for each function. This became less deterministic, but
2786         has fewer false positives.
2787         * symtab.h: Declarations.
2788         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2789         mix an optimized and non-optimized object in the same binary
2790         (odr_violation2.so): Same.
2791         * testsuite/Makefile.in: Regenerate from Makefile.am.
2792         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2793         * testsuite/debug_msg.sh: Update line numbers and add
2794         assertions.
2795         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2796         non-optimized context.
2797         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2798         isn't inlined, and use OdrDerived in an optimized context.
2799         * testsuite/odr_header1.h: Defines OdrDerived, where
2800         optimization will change the
2801         first-instruction-in-the-destructor's file and line number.
2802         * testsuite/odr_header2.h: Defines OdrBase.
2803
2804 2011-03-09  Ian Lance Taylor  <iant@google.com>
2805
2806         * fileread.cc (File_read::clear_views): Don't delete the whole
2807         file view.
2808
2809 2011-03-08  Ian Lance Taylor  <iant@google.com>
2810
2811         PR gold/12525
2812         * fileread.cc: #include <climits>.
2813         (GOLD_IOV_MAX): Define.
2814         (File_read::read_multiple): Limit number of entries by iov_max.
2815         * fileread.h (class File_read): Always set max_readv_entries to
2816         128.
2817
2818 2011-03-07  Ian Lance Taylor  <iant@google.com>
2819
2820         PR gold/12525
2821         * options.h (class General_options): Add -dy and -dn.
2822
2823 2011-03-02  Cary Coutant  <ccoutant@google.com>
2824
2825         * testsuite/script_test_9.t: Add TLS segment.
2826
2827 2011-03-02  Simon Baldwin  <simonb@google.com>
2828
2829         * configure.ac: Add check for gnu_indirect_function support in
2830         the toolchain building binutils.
2831         * configure: Rebuild.
2832
2833 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2834
2835         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2836         plugin only symbols.
2837         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2838         in plugin files as not needed in the symbol table.
2839
2840 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2841
2842         * output.cc (Output_section::add_input_section): Delay fill
2843         generation for section ordering.
2844
2845 2011-02-09  Ian Lance Taylor  <iant@google.com>
2846
2847         PR gold/12316
2848         * object.h (class Sized_relobj): Remove clear_local_symbols.
2849         * reloc.cc (Sized_relobj::do_relocate): Don't call
2850         clear_local_symbols.
2851
2852 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2853
2854         * plugin.cc (is_visible_from_outside): Return true for symbols
2855         in the -u option.
2856
2857 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2858
2859         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2860         filename.
2861
2862 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2863
2864         * icf.h (is_section_foldable_candidate): Change type of parameter
2865         to std::string.
2866         * icf.cc (Icf::find_identical_sections): Change type of local variable
2867         section_name to be std::string.
2868         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2869
2870 2011-01-25  Ian Lance Taylor  <iant@google.com>
2871
2872         * script.cc (script_add_extern): Rewrite to use
2873         add_symbol_reference.
2874
2875 2011-01-25  Doug Kwan  <dougkwan@google.com>
2876
2877         * icf.cc (get_section_contents): Always lock section's object.
2878
2879 2011-01-24  Ian Lance Taylor  <iant@google.com>
2880
2881         * options.h (class General_options): Accept
2882         --no-detect-odr-violations.
2883
2884 2011-01-24  Ian Lance Taylor  <iant@google.com>
2885
2886         * version.cc (version_string): Bump to 1.11.
2887
2888 2011-01-24  Ian Lance Taylor  <iant@google.com>
2889
2890         * plugin.cc (class Plugin_rescan): Define new class.
2891         (Plugin_manager::claim_file): Set any_claimed_.
2892         (Plugin_manager::save_archive): New function.
2893         (Plugin_manager::save_input_group): New function.
2894         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2895         necessary.
2896         (Plugin_manager::new_undefined_symbol): New function.
2897         (Plugin_manager::rescan): New function.
2898         (Plugin_manager::rescannable_defines): New function.
2899         (Plugin_manager::add_input_file): Set any_added_.
2900         * plugin.h (class Plugin_manager): define new fields rescannable_,
2901         undefined_symbols_, any_claimed_, and any_added_.  Declare
2902         Plugin_rescan as friend.  Declare new functions.
2903         (Plugin_manager::Rescannable): Define type.
2904         (Plugin_manager::Rescannable_list): Define type.
2905         (Plugin_manager::Undefined_symbol_list): Define type.
2906         (Plugin_manager::Plugin_manager): Initialize new fields.
2907         * archive.cc (Archive::defines_symbol): New function.
2908         (Add_archive_symbols::run): Pass archive to plugins if any.
2909         * archive.h (class Archive): Declare defines_symbol.
2910         * readsyms.cc (Input_group::~Input_group): New function.
2911         (Finish_group::run): Pass input_group to plugins if any.
2912         * readsyms.h (class Input_group): Declare destructor.
2913         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2914         any.
2915
2916 2011-01-10  Ian Lance Taylor  <iant@google.com>
2917
2918         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2919         section as relro.
2920         (Layout::set_segment_offsets): Reset increase_relro before calling
2921         set_section_addresses a second time.
2922
2923 2011-01-04  Cary Coutant  <ccoutant@google.com>
2924
2925         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2926         sections before NOBITS sections.
2927
2928 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2929
2930         * version.cc (print_version): Update copyright to 2011.
2931
2932 2010-12-23  Cary Coutant  <ccoutant@google.com>
2933
2934         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2935         of OS to this->add.  Add OD parameter to second form of the function.
2936
2937 2010-12-20  Ian Lance Taylor  <iant@google.com>
2938
2939         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2940         second of two consecutive entries with same offset.
2941
2942 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2943
2944         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2945         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2946         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2947         to avoid unneeded links against $(LDADD).
2948         * testsuite/Makefile.in: Regenerate.
2949
2950 2010-12-15  Ian Lance Taylor  <iant@google.com>
2951
2952         PR gold/12324
2953         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2954         for R_X86_64_32 and R_X86_64_PC32.
2955         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2956         ver_matching_def_pic.o.
2957         (ver_matching_def_pic.o): New target.
2958
2959 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2960
2961         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2962         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2963         Move definition before File_read::View member definitions.
2964         (File_read::View::~View): Initialize and hold lock before
2965         updating current_mapped_bytes.
2966
2967 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2968
2969         * dwarf_reader.cc: Remove outdated comment.
2970         * gold-threads.cc: Fix typo in error message.
2971         * archive.cc: Fix typos in comments.
2972         * archive.h: Likewise.
2973         * arm-reloc-property.cc: Likewise.
2974         * arm-reloc-property.h: Likewise.
2975         * arm-reloc.def: Likewise.
2976         * arm.cc: Likewise.
2977         * attributes.h: Likewise.
2978         * cref.cc: Likewise.
2979         * ehframe.cc: Likewise.
2980         * fileread.h: Likewise.
2981         * gold.h: Likewise.
2982         * i386.cc: Likewise.
2983         * icf.cc: Likewise.
2984         * incremental.h: Likewise.
2985         * int_encoding.cc: Likewise.
2986         * layout.h: Likewise.
2987         * main.cc: Likewise.
2988         * merge.h: Likewise.
2989         * object.cc: Likewise.
2990         * object.h: Likewise.
2991         * options.cc: Likewise.
2992         * readsyms.cc: Likewise.
2993         * reduced_debug_output.cc: Likewise.
2994         * reloc.cc: Likewise.
2995         * script-sections.cc: Likewise.
2996         * sparc.cc: Likewise.
2997         * symtab.h: Likewise.
2998         * target-reloc.h: Likewise.
2999         * target.cc: Likewise.
3000         * target.h: Likewise.
3001         * timer.cc: Likewise.
3002         * timer.h: Likewise.
3003         * x86_64.cc: Likewise.
3004
3005 2010-12-09  Cary Coutant  <ccoutant@google.com>
3006
3007         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3008         stack.
3009         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3010         parameter; change all callers.
3011         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3012         * options.h (warn_execstack): New option.
3013
3014 2010-12-07  Doug Kwan  <dougkwan@google.com>
3015
3016         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3017         like function call relocations.
3018
3019 2010-12-07  Ian Lance Taylor  <iant@google.com>
3020
3021         * archive.cc (Archive::get_elf_object_for_member): Permit
3022         punconfigured to be NULL.
3023         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3024         (Archive::include_member): Pass NULL to get_elf_object_for_member
3025         if we searched for the archive and this is the first included
3026         object.
3027
3028 2010-12-01  Ian Lance Taylor  <iant@google.com>
3029
3030         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3031         track_relocs_type_ field.
3032         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3033         Set track_relocs_type_.
3034         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3035         contents when using RELA relocs.
3036         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3037         reloc_map_.
3038         * reloc.cc (Track_relocs::next_addend): New function.
3039         * reloc.h (class Track_relocs): Declare next_addend.
3040
3041 2010-12-01  Ian Lance Taylor  <iant@google.com>
3042
3043         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3044         virtual destructor.
3045
3046 2010-12-01  Ian Lance Taylor  <iant@google.com>
3047
3048         * README: Update compilers known to work and fail.
3049
3050 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3051
3052         * configure.in: For --enable-gold, handle value `default' instead of
3053         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3054         not the default.
3055         * configure: Regenerate.
3056
3057 2010-11-18  Doug Kwan  <dougkwan@google.com>
3058
3059         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3060         and right_alignment to be zero.  Store result alignment only if it is
3061         greater than existing alignment.
3062
3063 2010-11-16  Cary Coutant  <ccoutant@google.com>
3064
3065         PR gold/12220
3066         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3067         Check for ".zdebug_line".
3068
3069 2010-11-16  Doug Kwan  <dougkwan@google.com>
3070             Cary Coutant  <ccoutant@google.com>
3071
3072         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3073         by reference; adjust all callers.
3074         * output.cc (Output_segment::set_section_addresses): Adjust references
3075         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3076         list is empty.
3077         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3078         end at page boundary.
3079
3080 2010-11-16  Cary Coutant  <ccoutant@google.com>
3081
3082         PR gold/12220
3083         * layout.cc (Layout::choose_output_section): Transform names of
3084         compressed sections even when using a script with a SECTIONS clause.
3085         (Layout::output_section_name): Remove code to transform
3086         compressed debug section names.
3087         * output.cc (Output_section::add_input_section): Use uncompressed
3088         section size when tracking input sections.
3089
3090 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3091
3092         * symtab.h (Symbol::NON_PIC_REF): Remove.
3093         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3094         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3095         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3096         (Symbol::use_plt_offset): Take a flags argument and pass it
3097         directly to needs_dynamic_reloc.  Restrict check for undefined
3098         weak symbols to function calls.
3099         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3100         (Target_arm::Scan::global): Use it.
3101         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3102         (Target_arm::Relocate::relocate): Likewise.
3103         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3104         parameter with an r_type parameter.  Use get_reference_flags
3105         to get the flags.
3106         (Target_arm::Relocate::relocate): Update accordingly.
3107         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3108         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3109         (Target_i386::Scan::global): Likewise.
3110         (Target_i386::Relocate::relocate): Likewise.
3111         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3112         parameter with an r_type parameter.  Use get_reference_flags
3113         to get the flags.
3114         (Target_i386::Relocate::relocate): Update accordingly.
3115         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3116         (Target_powerpc::Scan::global): Use it.
3117         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3118         (Target_powerpc::Relocate::relocate): Likewise.
3119         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3120         (Target_sparc::Scan::global): Use it.
3121         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3122         (Target_sparc::Relocate::relocate): Likewise.
3123         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3124         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3125         (Target_x86_64::Scan::global): Likewise.
3126         (Target_x86_64::Relocate::relocate): Likewise.
3127
3128 2010-11-08  Doug Kwan  <dougkwan@google.com>
3129             Cary Coutant  <ccoutant@google.com>
3130
3131         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3132         (Arm_exidx_merge_section::section_contents_): New data member.
3133         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3134         (Arm_input_section::~Arm_input_section): De-allocate memory.
3135         (Arm_input_section::original_contents_): New data member.
3136         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3137         in parameters instead of calling Object::section_contents without
3138         locking.
3139         (Arm_output_section::group_section): New parameter TASK.  Pass it
3140         to callees that need locking objects.
3141         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3142         to lock EXIDX input sections.  Fix a formatting issue.  Call
3143         Arm_exidx_merged_section::build_contents to create merged section
3144         contents.
3145         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3146         to lock object of stub table owner.
3147         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3148         TEXT_SIZE to initialize data member TEXT_SIZE_.
3149         (Arm_exidx_input_section::addralign): Fix typo in comment.
3150         (Arm_exidx_input_section::text_size): New method.
3151         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3152         that require locking objects.  Lock objects before scanning for stubs
3153         and updating local symbols.
3154         (Arm_input_section<big_endian>::init): Copy contents of original
3155         input section.
3156         (Arm_input_section<big_endian>::do_write): Use saved contents of
3157         original input section instead of calling Object::section_contents
3158         without locking.
3159         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3160         size without calling Object::section_size().
3161         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3162         for size.  Allocate a buffer for merged EXIDX entries.
3163         (Arm_exidx_merged_section::build_contents): New method.
3164         (Arm_exidx_merged_section::do_write): Move merge section contents
3165         building code to Arm_exidx_merged_section::build_contetns.  Write
3166         out contetns in buffer instead of building it on the fly.
3167         (Arm_relobj::make_exidx_input_section): Also pass text section size
3168         to Arm_exidx_input_section constructor.
3169         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3170         (Arm_dynobj::do_read_symbols): Fix memory leak.
3171         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3172         * target.h: (class Task): Add forward declaration.
3173         (Target::relax): Add new parameter TASK and pass it to
3174         Target::do_relax().
3175         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3176
3177 2010-11-05  Cary Coutant  <ccoutant@google.com>
3178
3179         PR gold/10708
3180         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3181         object when reading from the file.
3182         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3183         second layout pass.
3184         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3185         when reading section contents.
3186         (get_section_contents): Likewise.
3187         (icf::find_identical_sections): Likewise.
3188         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3189         object when reading from the file.
3190         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3191         the object when doing deferred section layout.
3192
3193 2010-11-03  Nick Clifton  <nickc@redhat.com>
3194
3195         PR gold/12001
3196         * script.h (class Symbol_assignment: name): New member.  Returns
3197         the name of the symbol.
3198         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3199         Returns true if the given symbol name is on the list of
3200         assignments wating to be processed.
3201         * archive.cc (should_incldue_member): If the symbol is undefined,
3202         check to see if it is on the list of symbols pending assignment.
3203
3204 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3205
3206         * script-sections.cc (Script_sections::find_memory_region): Check
3207         for a NULL output section pointer.
3208
3209 2010-10-29  Doug Kwan  <dougkwan@google.com>
3210
3211         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3212         Output_section::add_relaxed_input_section.
3213         * output.cc (Output_section::add_relaxed_input_section): Add new
3214         arguments LAYOUT and NAME.  Set section order index.
3215         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3216         Copy section order index.
3217         * output.h (Output_section::add_relaxed_input_section): Add new
3218         arguments LAYOUT and NAME.
3219
3220 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3221
3222         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3223         NATIVE_OR_CROSS_LINKER.
3224         * testsuite/Makefile.in: Regenerate.
3225
3226 2010-10-20  Doug Kwan  <dougkwan@google.com>
3227
3228         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3229         without SHF_LINK_ORDER flags.
3230         * layout.cc (Layout::choose_output_section): Do not filter
3231         SHF_LINK_ORDER flag in a relocatable link.
3232
3233 2010-10-17  Cary Coutant  <ccoutant@google.com>
3234
3235         * output.h (Output_segment::set_section_addresses): Change function
3236         signature.  Update all callers.
3237         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3238         sections.
3239         (Output_segment::set_section_addresses): Align after last TLS
3240         section.  Add padding before last relro section instead of after.
3241
3242 2010-10-17  Doug Kwan  <dougkwan@google.com>
3243
3244         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3245         GOT output section to be writable.
3246
3247 2010-10-14  Cary Coutant  <ccoutant@google.com>
3248
3249         * debug.h (DEBUG_INCREMENTAL): New flag.
3250         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3251         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3252         mode.
3253         * incremental.cc (report_command_line): Ignore all forms of
3254         --incremental.
3255         * layout.cc (Layout::Layout): Check parameters for incremental link
3256         mode.
3257         * options.cc (General_options::parse_incremental): New function.
3258         (General_options::parse_no_incremental): New function.
3259         (General_options::parse_incremental_full): New function.
3260         (General_options::parse_incremental_update): New function.
3261         (General_options::incremental_mode_): New data member.
3262         (General_options::finalize): Check incremental_mode_.
3263         * options.h (General_options): Update help text for --incremental.
3264         Add --no-incremental, --incremental-full, --incremental-update.
3265         (General_options::Incremental_mode): New enum type.
3266         (General_options::incremental_mode): New function.
3267         (General_options::incremental_mode_): New data member.
3268         * parameters.cc (Parameters::incremental_mode_): New data member.
3269         (Parameters::set_options): Set incremental_mode_.
3270         (Parameters::set_incremental_full): New function.
3271         (Parameters::incremental): New function.
3272         (Parameters::incremental_update): New function.
3273         (set_parameters_incremental_full): New function.
3274         * parameters.h (Parameters::set_incremental_full): New function.
3275         (Parameters::incremental): New function.
3276         (Parameters::incremental_update): New function.
3277         (Parameters::incremental_mode_): New data member.
3278         (set_parameters_incremental_full): New function.
3279         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3280         incremental link mode.
3281         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3282         (Sized_relobj::do_relocate_sections): Likewise.
3283         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3284         option.
3285         * testsuite/Makefile.in: Regenerate.
3286         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3287
3288 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3289
3290         * script-sections.h (class Script_sections): Make
3291         Sections_elements typedef public.
3292         * script-sections.cc (class Sort_output_sections): Add elements_
3293         field.  Add constructor which sets it; change all callers.
3294         (Sort_output_sections::is_before): New function.
3295         (Sort_output_sections::operator()): Call is_before.
3296         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3297         conditional.
3298         * testsuite/script_test_10.sh: New test. Test script section
3299         order.
3300         * testsuite/script_test_10.t: Likewise.
3301         * testsuite/script_test_10.s: Likewise.
3302         * testsuite/Makefile.am: Wrap the cross linker tests and the
3303         common tests into NATIVE_OR_CROSS_LINKER.
3304         (check_SCRIPTS): Add script_test_10.sh.
3305         (check_DATA): Add script_test_10.stdout.
3306         (script_test_10.o, script_test_10): New targets.
3307         (script_test_10.stdout): New target.
3308         * configure, testsuite/Makefile.in: Regenerate.
3309
3310 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3311
3312         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3313         error for the deprecated relocations.
3314         (Target_arm::Scan::global): Likewise.
3315         (Target_arm::Relocate::relocate): Likewise.
3316
3317 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3318
3319         * fileread.cc (Input_file::find_file): Initialize *found_name
3320         and *namep when using the fallback search for case 4.
3321
3322 2010-10-11  Cary Coutant  <ccoutant@google.com>
3323
3324         * options.h (class General_options): Redefine -z lazy as an alias for
3325         the negation of -z now.
3326
3327 2010-10-11  Ian Lance Taylor  <iant@google.com>
3328
3329         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3330         binding.
3331
3332 2010-10-06  Nick Clifton  <nickc@redhat.com>
3333
3334         * script-sections.cc(class Memory_region): Remove
3335         current_lma_offset_ field.  Rename current_vma_offset_ to
3336         current_offset_.  Add last_section_ field.
3337         (Memory_region::get_current_vma_address): Rename to
3338         get_current_address.
3339         (Memory_region::get_current_lma_address): Delete.
3340         (Memory_region::increment_vma_offset): Rename to
3341         increment_offset.
3342         (Memory_region::increment_lma_offset): Delete.
3343         (Memory_region::attributes_compatible): New method.  Returns
3344         true if the provided section is compatible with the region.
3345         (Memory_region::get_last_section): New method.  Returns the last
3346         section to use the region.
3347         (Memory_region::set_last_section): New method.  Stores the last
3348         section to use the region.
3349         (Script_sections::block_in_region): New method.  Returns true if
3350         a block of memory is contained within a region.
3351         (Script_sections::find_memory_region): New method.  Locates a
3352         memory region to be used to set a VMA or LMA address.
3353         (Output_section_definition::set_section_addresses): Add code to
3354         check for addresses set by memory regions.
3355         (Output_segment::set_section_addresses): Remove memory region
3356         walking code.
3357         (Script_sections::create_segment): Add a warning if a header
3358         segment is created outside of any region.
3359         * script-sections.h (class Script_sections): Add prototypes for
3360         find_memory_region and block_in_region methods.
3361         * testsuite/memory_test.s: Use .long instead of .word.
3362         * testsuite/memory_test.t: Add some more output sections.
3363         * testsuite/memory_test.sh: Update expected output.
3364
3365 2010-10-02  Doug Kwan  <dougkwan@google.com>
3366
3367         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3368         defintion to symtab.h
3369         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3370         declaration to defintion.
3371
3372 2010-10-01  Nick Clifton  <nickc@redhat.com>
3373
3374         * expression.cc (eval): Replace dummy argument with NULL.
3375         (eval_maybe_dot): Check for a NULL result section pointer.
3376         (Symbol_expression::value): Likewise.
3377         (Dot_expression::value): Likewise.
3378         (BINARY_EXPRESSION): Likewise.
3379         (Max_expression::value): Likewise.
3380         (Min_expression::value): Likewise.
3381         (Absolute_expression::value): Likewise.
3382         (Addr_expression::value_from_output_section): Likewise.
3383         (Loaddddr_expression::value_from_output_section): Likewise.
3384         (Segment_start_expression::value): Likewise.
3385         * script-sections.cc
3386         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3387         argument with NULL.
3388         (Sections_elememt_dot_assignment::set_section_addresses):
3389         Likewise.
3390         (Output_data_expression::do_write_to_buffer): Likewise.
3391         (Output_section_definition::finalize_symbols): Likewise.
3392         (Output_section_definition::set_section_addresses): Likewise.
3393
3394 2010-09-30  Doug Kwan  <dougkwan@google.com>
3395
3396         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3397
3398 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3399
3400         * target.h (Target::can_icf_inline_merge_sections): New virtual
3401         function.
3402         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3403         virtual function.
3404         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3405         virtual function.
3406         * icf.cc (get_section_contents): Inline merge sections only when
3407         target allows it.
3408
3409 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3410
3411         * configure: Regenerate.
3412
3413 2010-09-17  Ian Lance Taylor  <iant@google.com>
3414
3415         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3416         * testsuite/Makefile.am (memory_test.o): New target.
3417         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3418         memory_test.t.
3419         * testsuite/Makefile.in: Rebuild.
3420
3421 2010-09-17  Doug Kwan  <dougkwan@google.com>
3422
3423         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3424         defintion if relocation uses GOT entries of the symbol.
3425         * testsuite/icf_safe_test.sh: Fix test.
3426         * testsuite/icf_safe_so_test.sh: Fix test.
3427
3428 2010-09-16  Cary Coutant  <ccoutant@google.com>
3429
3430         * script_sections.cc (class Memory_region): Remove "NULL" from
3431         vector initializations.
3432
3433 2010-09-15  Cary Coutant  <ccoutant@google.com>
3434
3435         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3436         Resolve forwarding symbols.
3437
3438 2010-09-15  Doug Kwan  <dougkwan@google.com>
3439
3440         * gold/testsuite/script_test_3.t: Add ARM special sections.
3441         * gold/testsuite/script_test_4.t: Same.
3442         * gold/testsuite/script_test_5.t: Same.
3443         * gold/testsuite/script_test_6.t: Same.
3444         * gold/testsuite/script_test_7.t: Same.
3445         * gold/testsuite/script_test_7.t: Same.
3446         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3447
3448 2010-09-14  Cary Coutant  <ccoutant@google.com>
3449
3450         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3451         (Target_x86_64::Relocate::relocate_tls): Replace check for
3452         saw_tls_block_reloc_ with test for executable section.
3453
3454 2010-09-12  Cary Coutant  <ccoutant@google.com>
3455
3456         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3457         position-independent executables to shared libraries need dynamic
3458         relocations.
3459         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3460         position-independent executables.
3461         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3462         * testsuite/Makefile.in: Regenerate.
3463
3464 2010-09-10  Nick Clifton  <nickc@redhat.com>
3465
3466         PR gold/11997
3467         * testsuite/memory_test.t: Discard any sections that are not
3468         needed.
3469
3470 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3471
3472         PR gold/11996
3473         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3474         "This::" to work around a bug in gcc 4.2.
3475
3476         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3477
3478 2010-09-09  Rafael Espindola  <espindola@google.com>
3479
3480         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3481         sections with different PF_X flags in the same segment.
3482         (Layout::find_first_load_seg): Search all segments to find the first
3483         one.
3484         * options.h (rosegment): New.
3485
3486 2010-09-08  Rafael Espindola  <espindola@google.com>
3487
3488         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3489
3490 2010-09-08  Doug Kwan  <dougkwan@google.com>
3491
3492         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3493         (Arm_relobj::do_relocate_sections): Add new parameter for output
3494         file to match the parent.
3495         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3496         of local symbols instead of input values.  Update code to track
3497         changes in gold::relocate_section.
3498         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3499         (Sized_relobj::compute_final_local_value_internal): New methods.
3500         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3501         body into private version of Sized_relobj::compute_final_local_value.
3502         Call the inline method.
3503         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3504         merged symbol value if there is one.
3505         (Symbol_value::has_output_value): New method defintiion.
3506         (Sized_relobj::Compute_final_local_value_status): New enum type.
3507         (Sized_relobj::compute_final_local_value): New methods.
3508         (Sized_relobj::compute_final_local_value_internal): New methods.
3509         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3510         and arm_cortex_a8.sh.
3511         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3512         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3513         New tests.
3514         * Makefile.in: Regenerate.
3515         * testsuite/arm_bl_out_of_range.s: Update test.
3516         * testsuite/thumb_bl_out_of_range.s: Ditto.
3517         * testsuite/thumb_blx_out_of_range.s: Ditto.
3518         * testsuite/arm_branch_out_of_range.sh: New file.
3519         * testsuite/arm_cortex_a8.sh: Ditto.
3520         * testsuite/arm_cortex_a8_b.s: Ditto.
3521         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3522         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3523         * testsuite/arm_cortex_a8_bl.s: Ditto.
3524         * testsuite/arm_cortex_a8_blx.s: Ditto.
3525         * testsuite/arm_cortex_a8_local.s: Ditto.
3526         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3527         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3528
3529 2010-09-08  Rafael Espindola  <espindola@google.com>
3530
3531         * Makefile.am (memory_test.stdout): Run readelf with -W.
3532         * Makefile.in: Regenerate.
3533         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3534         64 bit output.
3535
3536 2010-09-08  Rafael Espindola  <espindola@google.com>
3537
3538         * script-sections.cc (Script_sections::add_memory_region): Convert
3539         field precision to int.
3540         * script.cc (script_set_section_region, script_set_section_region):
3541         Convert field precision to int.
3542
3543 2010-09-08  Rafael Espindola  <espindola@google.com>
3544
3545         * arm.cc (do_finalize_sections): Create the __exidx_start and
3546         __exdix_end symbols even when the section is missing.
3547
3548 2010-09-08  Nick Clifton  <nickc@redhat.com>
3549
3550         * README: Remove claim that MEMORY is not supported.
3551         * expression.cc (script_exp_function_origin)
3552         (script_exp_function_length): Move from here to ...
3553         * script.cc: ... here.
3554         (script_set_section_region, script_add_memory)
3555         (script_parse_memory_attr, script_include_directive): New
3556         functions.
3557         * script-sections.cc
3558         (class Memory_region): New class.
3559         (class Output_section_definition): Add set_memory_region,
3560         set_section_vma, set_section_lma and get_section_name methods.
3561         (class Script_Sections): Add add_memory_region,
3562         find_memory_region, find_memory_region_origin,
3563         find_memory_region_length and set_memory_region methods.
3564         Have set_section_addresses method walk the list of set memory
3565         regions.
3566         Extend the print methos to display memory regions.
3567         * script-sections.h: Add prototypes for new methods.
3568         Add enum for MEMORY region attributes.
3569         * yyscript.y: Add support for parsing MEMORY regions.
3570         * script-c.h: Add prototypes for new functions.
3571         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3572         * testsuite/Makefile.in: Regenerate.
3573         * testsuite/memory_test.sh: New script.
3574         * testsuite/memory_test.s: New assembler source file.
3575         * testsuite/memory_test.t: New linker script.
3576
3577 2010-08-27  Doug Kwan  <dougkwan@google.com>
3578
3579         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3580         reference override an existing dynamic weak reference.
3581         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3582         * testsuite/Makefile.in: Regenerate.
3583         * testsuite/dyn_weak_ref.sh: New file.
3584         * testsuite/dyn_weak_ref_1.c: Ditto.
3585         * testsuite/dyn_weak_ref_2.c: Ditto.
3586
3587 2010-08-27  Ian Lance Taylor  <iant@google.com>
3588
3589         * incremental.h (class Incremental_input_entry): Add virtual
3590         destructor.
3591
3592 2010-08-27  Ian Lance Taylor  <iant@google.com>
3593
3594         * testsuite/start_lib_test_3.c: Mark t3 as used.
3595
3596 2010-08-27  Nick Clifton  <nickc@redhat.com>
3597
3598         * options.cc (version_script): Fix small typo in previous
3599         whitespace tidyup.
3600
3601 2010-08-25  Nick Clifton  <nickc@redhat.com>
3602
3603         * archive.cc: Formatting fixes: Remove whitespace between
3604         typename and following asterisk.  Remove whitespace between
3605         function name and opening parenthesis.
3606         * archive.h: Likewise.
3607         * arm.cc: Likewise.
3608         * attributes.cc: Likewise.
3609         * attributes.h: Likewise.
3610         * common.cc: Likewise.
3611         * copy-relocs.cc: Likewise.
3612         * dirsearch.h: Likewise.
3613         * dynobj.cc: Likewise.
3614         * ehframe.cc: Likewise.
3615         * ehframe.h: Likewise.
3616         * expression.cc: Likewise.
3617         * fileread.cc: Likewise.
3618         * fileread.h: Likewise.
3619         * gc.h: Likewise.
3620         * gold-threads.cc: Likewise.
3621         * gold.cc: Likewise.
3622         * i386.cc: Likewise.
3623         * icf.h: Likewise.
3624         * incremental-dump.cc: Likewise.
3625         * incremental.cc: Likewise.
3626         * layout.cc: Likewise.
3627         * layout.h: Likewise.
3628         * main.cc: Likewise.
3629         * merge.cc: Likewise.
3630         * merge.h: Likewise.
3631         * object.cc: Likewise.
3632         * object.h: Likewise.
3633         * options.cc: Likewise.
3634         * options.h: Likewise.
3635         * output.cc: Likewise.
3636         * output.h: Likewise.
3637         * plugin.cc: Likewise.
3638         * plugin.h: Likewise.
3639         * powerpc.cc: Likewise.
3640         * reloc.cc: Likewise.
3641         * script-c.h: Likewise.
3642         * script-sections.cc: Likewise.
3643         * script.cc: Likewise.
3644         * stringpool.cc: Likewise.
3645         * symtab.cc: Likewise.
3646         * symtab.h: Likewise.
3647         * target.cc: Likewise.
3648         * timer.cc: Likewise.
3649         * timer.h: Likewise.
3650         * version.cc: Likewise.
3651         * x86_64.cc: Likewise.
3652
3653 2010-08-24  Nick Clifton  <nickc@redhat.com>
3654
3655         PR 11899
3656         * layout.cc (segment_precedes): Sort segments by their physical
3657         addresses, if they have been set.
3658
3659 2010-08-23  Cary Coutant  <ccoutant@google.com>
3660
3661         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3662         symbols data.
3663         (Lib_group::include_member): Unlock object after deleting its
3664         symbols data.
3665         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3666         the bug fixed here.
3667
3668 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3669             Cary Coutant  <ccoutant@google.com>
3670
3671         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3672         constructor, and set_blocker.
3673         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3674         readsyms_blocker_.
3675         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3676         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3677         * testsuite/Makefile.am (start_lib_test): New test case.
3678         * testsuite/Makefile.in: Regenerate.
3679         * testsuite/start_lib_test_main.c: New file.
3680         * testsuite/start_lib_test_1.c: New file.
3681         * testsuite/start_lib_test_2.c: New file.
3682         * testsuite/start_lib_test_3.c: New file.
3683
3684 2010-08-19  Ian Lance Taylor  <iant@google.com>
3685
3686         * Makefile.in: Rebuild with automake 1.11.1.
3687         * aclocal.m4: Likewise.
3688         * testsuite/Makefile.in: Likewise.
3689
3690 2010-08-19  Ian Lance Taylor  <iant@google.com>
3691
3692         PR 10893
3693         * i386.cc (class Output_data_plt_i386): Update declarations.
3694         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3695         local_ifuncs_ fields.
3696         (Target_i386::do_plt_section_for_global): New function.
3697         (Target_i386::do_plt_section_for_local): New function.
3698         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3699         parameter; change all callers.  Initialize global_ifuncs_ and
3700         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3701         __rel_iplt_end.
3702         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3703         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3704         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3705         symbols.
3706         (Target_i386::make_plt_section): New function, broken out of
3707         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3708         (Target_i386::make_plt_entry): Call make_plt_section.
3709         (Target_i386::make_local_ifunc_plt_entry): New function.
3710         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3711         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3712         R_386_IRELATIVE to switch.
3713         (Target_i386::Scan::global): Likewise.
3714         (Target_i386::Relocate::relocate): Likewise.
3715         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3716         switch.
3717         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3718         (Target_x86_64::do_plt_section_for_global): New function.
3719         (Target_x86_64::do_plt_section_for_local): New function.
3720         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3721         parameter; change all callers.  If doing a static link define
3722         __rela_iplt_start and __rela_iplt_end.
3723         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3724         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3725         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3726         to point to .plt.
3727         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3728         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3729         switch.
3730         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3731         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3732         R_X86_64_IRELATIVE to switch.
3733         (Target_x86_64::Scan::global): Likewise.
3734         (Target_x86_64::Relocate::relocate): Likewise.
3735         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3736         switch.
3737         * target.h (class Target): Add plt_section_for_global and
3738         plt_section_for_local functions.  Add do_plt_section_for_global
3739         and do_plt_section_for_local virtual functions.
3740         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3741         clarifying comments.
3742         (Symbol::use_plt_offset): Handle IFUNC symbol.
3743         * object.cc (Sized_relobj::Sized_relobj): Initialize
3744         local_plt_offsets_.
3745         (Sized_relobj::local_has_plt_offset): New function.
3746         (Sized_relobj::local_plt_offset): New function.
3747         (Sized_relobj::set_local_plt_offset): New function.
3748         (Sized_relobj::do_count): Handle IFUNC symbol.
3749         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3750         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3751         is_ifunc_symbol functions.
3752         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3753         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3754         local_plt_offsets_ field.
3755         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3756         * output.h (class Output_section_data): Add non-const
3757         output_section function.
3758         (class Output_data_got): Update declarations.
3759         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3760         Add use_plt_offset parameter to global and local constructors.
3761         Change all callers.  Change local_sym_index_ field to 31 bits.
3762         Change GSYM_CODE and CONSTANT_CODE accordingly.
3763         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3764         doing a static link don't set sh_link field.
3765         (Output_data_got::Got_entry::write): Use PLT offset if
3766         appropriate.
3767         (Output_data_got::add_global_plt): New function.
3768         (Output_data_got::add_local_plt): New function.
3769         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3770         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3771         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3772         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3773         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3774         IFUNC conditional.
3775         * testsuite/ifunc-sel.h: New file.
3776         * testsuite/ifuncmain1.c: New file.
3777         * testsuite/ifuncmain1vis.c: New file.
3778         * testsuite/ifuncmod1.c: New file.
3779         * testsuite/ifuncdep2.c: New file.
3780         * testsuite/ifuncmain2.c: New file.
3781         * testsuite/ifuncmain3.c: New file.
3782         * testsuite/ifuncmod3.c: New file.
3783         * testsuite/ifuncmain4.c: New file.
3784         * testsuite/ifuncmain5.c: New file.
3785         * testsuite/ifuncmod5.c: New file.
3786         * testsuite/ifuncmain6pie.c: New file.
3787         * testsuite/ifuncmod6.c: New file.
3788         * testsuite/ifuncmain7.c: New file.
3789         * configure, testsuite/Makefile.in: Rebuild.
3790
3791 2010-08-18  Ian Lance Taylor  <iant@google.com>
3792
3793         * incremental.cc
3794         (Output_section_incremental_inputs::write_input_files): Add cast
3795         to avoid signed/unsigned comparison warning.
3796         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3797
3798 2010-08-12  Cary Coutant  <ccoutant@google.com>
3799
3800         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3801
3802 2010-08-13  Ian Lance Taylor  <iant@google.com>
3803
3804         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3805
3806 2010-08-12  Cary Coutant  <ccoutant@google.com>
3807             Doug Kwan  <dougkwan@google.com>
3808
3809         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3810         defintion overrides non-weak undef, remember that the original undef
3811         is not weak.
3812         * symtab.cc (Symbol_table::sized_write_global): For undef without
3813         an original weak binding, set binding to global in output.
3814         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3815         * testsuite/Makefile.in: Regenerate.
3816         * testsuite/strong_ref_weak_def.sh: New file.
3817         * testsuite/strong_ref_weak_def_1.c: Ditto.
3818         * testsuite/strong_ref_weak_def_2.c: Ditto.
3819
3820 2010-08-12  Cary Coutant  <ccoutant@google.com>
3821
3822         * testsuite/incremental_test.sh: Rewrite.
3823         * testsuite/incremental_test_1.c: Rewrite.
3824         * testsuite/incremental_test_2.c: Rewrite.
3825
3826 2010-08-12  Cary Coutant  <ccoutant@google.com>
3827
3828         * arm.cc (Target_arm::got_size): Add const.
3829         (Target_arm::got_entry_count): New function.
3830         (Target_arm::plt_entry_count): New function.
3831         (Target_arm::first_plt_entry_offset): New function.
3832         (Target_arm::plt_entry_size): New function.
3833         (Output_data_plt_arm::entry_count): New function.
3834         (Output_data_plt_arm::first_plt_entry_offset): New function.
3835         (Output_data_plt_arm::get_plt_entry_size): New function.
3836         * i386.cc (Target_i386::got_size): Add const.
3837         (Target_i386::got_entry_count): New function.
3838         (Target_i386::plt_entry_count): New function.
3839         (Target_i386::first_plt_entry_offset): New function.
3840         (Target_i386::plt_entry_size): New function.
3841         (Output_data_plt_i386::entry_count): New function.
3842         (Output_data_plt_i386::first_plt_entry_offset): New function.
3843         (Output_data_plt_i386::get_plt_entry_size): New function.
3844         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3845         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3846         * incremental.cc: Include target.h.
3847         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3848         parameter.  Adjust all callers.  Find incremental_got_plt section.
3849         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3850         section.
3851         (Output_section_incremental_inputs::set_final_data_size): Calculate
3852         size of incremental_got_plt section.
3853         (Output_section_incremental_inputs::do_write): Write the
3854         incremental_got_plt section.
3855         (Got_plt_view_info): New struct.
3856         (Local_got_offset_visitor): New class.
3857         (Global_got_offset_visitor): New class.
3858         (Global_symbol_visitor_got_plt): New class.
3859         (Output_section_incremental_inputs::write_got_plt): New function.
3860         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3861         Add parameter.  Adjust all callers.
3862         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3863         (Incremental_inputs::got_plt_section): New function.
3864         (Incremental_inputs::got_plt_section_): New data member.
3865         (Incremental_got_plt_reader): New class.
3866         * layout.cc (Layout::create_incremental_info_sections): Add the
3867         incremental_got_plt section.
3868         * object.h (Got_offset_list::get_list): New function.
3869         (Got offset_list::for_all_got_offsets): New function.
3870         (Sized_relobj::local_got_offset_list): New function.
3871         * powerpc.cc (Target_powerpc::got_size): Add const.
3872         (Target_powerpc::got_entry_count): New function.
3873         (Target_powerpc::plt_entry_count): New function.
3874         (Target_powerpc::first_plt_entry_offset): New function.
3875         (Target_powerpc::plt_entry_size): New function.
3876         (Output_data_plt_powerpc::entry_count): New function.
3877         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3878         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3879         * sparc.cc (Target_sparc::got_size): Add const.
3880         (Target_sparc::got_entry_count): New function.
3881         (Target_sparc::plt_entry_count): New function.
3882         (Target_sparc::first_plt_entry_offset): New function.
3883         (Target_sparc::plt_entry_size): New function.
3884         (Output_data_plt_sparc::entry_count): New function.
3885         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3886         (Output_data_plt_sparc::get_plt_entry_size): New function.
3887         * symtab.h (Symbol::got_offset_list): New function.
3888         (Symbol_table::for_all_symbols): New function.
3889         * target.h (Sized_target::got_entry_count): New function.
3890         (Sized_target::plt_entry_count): New function.
3891         (Sized_target::plt_entry_size): New function.
3892         * x86_64.cc (Target_x86_64::got_size): Add const.
3893         (Target_x86_64::got_entry_count): New function.
3894         (Target_x86_64::plt_entry_count): New function.
3895         (Target_x86_64::first_plt_entry_offset): New function.
3896         (Target_x86_64::plt_entry_size): New function.
3897         (Output_data_plt_x86_64::entry_count): New function.
3898         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3899         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3900
3901 2010-08-12  Cary Coutant  <ccoutant@google.com>
3902
3903         * archive.cc: Include incremental.h.
3904         (Archive::Archive): Initialize incremental_info_.
3905         (Archive::include_member): Record archive members in incremental info.
3906         (Add_archive_symbols::run): Record begin and end of an archive in
3907         incremental info.
3908         (Lib_group::include_member): Record objects in incremental info.
3909         * archive.h (Incremental_archive_entry): Forward declaration.
3910         (Archive::set_incremental_info): New member function.
3911         (Archive::incremental_info): New member function.
3912         (Archive::Unused_symbol_iterator): New class.
3913         (Archive::unused_symbols_begin): New member function.
3914         (Archive::unused_symbols_end): New member function.
3915         (Archive::incremental_info_): New data member.
3916         * incremental-dump.cc (find_input_containing_global): New function.
3917         (dump_incremental_inputs): Dump new incremental info sections.
3918         * incremental.cc: Include symtab.h.
3919         (Output_section_incremental_inputs): New class.
3920         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3921         new incremental info sections.
3922         (Sized_incremental_binary::do_check_inputs): Likewise.
3923         (Incremental_inputs::report_archive): Remove.
3924         (Incremental_inputs::report_archive_begin): New function.
3925         (Incremental_inputs::report_archive_end): New function.
3926         (Incremental_inputs::report_object): New function.
3927         (Incremental_inputs::finalize_inputs): Remove.
3928         (Incremental_inputs::report_input_section): New function.
3929         (Incremental_inputs::report_script): Rewrite.
3930         (Incremental_inputs::finalize): Do nothing but finalize string table.
3931         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3932         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3933         (Incremental_inputs::create_data_sections): New function.
3934         (Incremental_inputs::relocs_entsize): New function.
3935         (Output_section_incremental_inputs::set_final_data_size): New function.
3936         (Output_section_incremental_inputs::do_write): New function.
3937         (Output_section_incremental_inputs::write_header): New function.
3938         (Output_section_incremental_inputs::write_input_files): New function.
3939         (Output_section_incremental_inputs::write_info_blocks): New function.
3940         (Output_section_incremental_inputs::write_symtab): New function.
3941         * incremental.h (Incremental_script_entry): Forward declaration.
3942         (Incremental_object_entry): Forward declaration.
3943         (Incremental_archive_entry): Forward declaration.
3944         (Incremental_inputs): Forward declaration.
3945         (Incremental_inputs_header_data): Remove.
3946         (Incremental_inputs_header): Remove.
3947         (Incremental_inputs_header_write): Remove.
3948         (Incremental_inputs_entry_data): Remove.
3949         (Incremental_inputs_entry): Remove.
3950         (Incremental_inputs_entry_write): Remove.
3951         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3952         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3953         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3954         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3955         Likewise.
3956         (Incremental_input_entry): New class.
3957         (Incremental_script_entry): New class.
3958         (Incremental_object_entry): New class.
3959         (Incremental_archive_entry): New class.
3960         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3961         (Incremental_inputs::report_inputs): Remove.
3962         (Incremental_inputs::report_archive): Remove.
3963         (Incremental_inputs::report_archive_begin): New function.
3964         (Incremental_inputs::report_archive_end): New function.
3965         (Incremental_inputs::report_object): Change prototype.
3966         (Incremental_inputs::report_input_section): New function.
3967         (Incremental_inputs::report_script): Change prototype.
3968         (Incremental_inputs::get_reloc_count): New function.
3969         (Incremental_inputs::set_reloc_count): New function.
3970         (Incremental_inputs::create_data_sections): New function.
3971         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3972         (Incremental_inputs::inputs_section): New function.
3973         (Incremental_inputs::symtab_section): New function.
3974         (Incremental_inputs::relocs_section): New function.
3975         (Incremental_inputs::get_stringpool): Add const.
3976         (Incremental_inputs::command_line): Add const.
3977         (Incremental_inputs::inputs): Remove.
3978         (Incremental_inputs::command_line_key): New function.
3979         (Incremental_inputs::input_file_count): New function.
3980         (Incremental_inputs::input_files): New function.
3981         (Incremental_inputs::relocs_entsize): New function.
3982         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3983         (Incremental_inputs::finalize_inputs): Remove.
3984         (Incremental_inputs::Input_info): Remove.
3985         (Incremental_inputs::lock_): Remove.
3986         (Incremental_inputs::inputs_): Change type.
3987         (Incremental_inputs::inputs_map_): Remove.
3988         (Incremental_inputs::current_object_entry_): New data member.
3989         (Incremental_inputs::inputs_section_): New data member.
3990         (Incremental_inputs::symtab_section_): New data member.
3991         (Incremental_inputs::relocs_section_): New data member.
3992         (Incremental_inputs::reloc_count_): New data member.
3993         (Incremental_inputs_reader): New class.
3994         (Incremental_symtab_reader): New class.
3995         (Incremental_relocs_reader): New class.
3996         * layout.cc (Layout::finalize): Move finalization of incremental info
3997         and creation of incremental info sections to follow finalization of
3998         symbol table.  Set offsets for postprocessing sections.
3999         (Layout::create_incremental_info_sections): Call
4000         Incremental_inputs::create_data_sections.  Add incremental symtab
4001         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4002         sections to layout after input sections.
4003         * layout.h (struct Timespec): Forward declaration.
4004         (Layout::incremental_inputs): Add const.
4005         (Layout::create_incremental_info_sections): Add parameter.
4006         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4007         * object.cc: Include incremental.h.
4008         (Relobj::finalize_incremental_relocs): New function.
4009         (Sized_relobj::do_layout): Record input sections in incremental info.
4010         * object.h (Object::output_section): New function.
4011         (Object::output_section_offset): Moved from Relobj.
4012         (Object::get_incremental_reloc_base): New function.
4013         (Object::get_incremental_reloc_count): New function.
4014         (Object::do_output_section): New function.
4015         (Object::do_output_section_offset): Moved from Relobj.
4016         (Object::do_get_incremental_reloc_base): New function.
4017         (Object::do_get_incremental_reloc_count): New function.
4018         (Object::Object): Initialize new data members.
4019         (Relobj::output_section): Renamed do_output_section and moved to
4020         protected.
4021         (Relobj::output_section_offset): Moved to Object.
4022         (Relobj::do_get_incremental_reloc_base): New function.
4023         (Relobj::do_get_incremental_reloc_count): New function.
4024         (Relobj::allocate_incremental_reloc_counts): New function.
4025         (Relobj::count_incremental_reloc): New function.
4026         (Relobj::finalize_incremental_relocs): New function.
4027         (Relobj::next_incremental_reloc_index): New function.
4028         (Relobj::reloc_counts_): New data member.
4029         (Relobj::reloc_bases_): New data member.
4030         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4031         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4032         (Sized_relobj::incremental_relocs_scan): New function.
4033         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4034         (Sized_relobj::incremental_relocs_write): New function.
4035         (Sized_relobj::incremental_relocs_write_reltype): New function.
4036         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4037         incremental link.
4038         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4039         archives and object files elsewhere.
4040         (Add_symbols::run): Report object files here.
4041         (Finish_group::run): Report end of archive at end of group.
4042         * reloc.cc: Include layout.h, incremental.h.
4043         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4044         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4045         (Sized_relobj::incremental_relocs_scan): New function.
4046         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4047         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4048         (Sized_relobj::incremental_relocs_write): New function.
4049         (Sized_relobj::incremental_relocs_write_reltype): New function.
4050         * script.cc (read_input_script): Rewrite test for incremental link.
4051         Change call to Incremental_inputs::report_script.
4052         * symtab.h (Symbol_table::first_global_index): New function.
4053         (Symbol_table::output_count): New function.
4054
4055 2010-08-12  Doug Kwan  <dougkwan@google.com>
4056
4057         * arm.cc (Target_arm::merge_object_attributes): Check command line
4058         options --no-wchar-size-warning and --no-enum-size-warning.
4059         * options.h (General_options): Add ld-compatible options
4060         --no-enum-size-warning and --no-wchar-size-warning.
4061
4062 2010-08-04  Ian Lance Taylor  <iant@google.com>
4063
4064         * x86_64.cc (Target_x86_64::Scan::local): Use
4065         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4066         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4067         (Target_x86_64::Scan::global): Likewise.
4068         (Target_x86_64::Relocate::relocate): Likewise.
4069         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4070         Likewise.
4071
4072 2010-08-03  Cary Coutant  <ccoutant@google.com>
4073
4074         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4075         to reserve space in merged_strings vector. Keep total input size
4076         for stats.
4077         (Output_merge_string::do_print_merge_stats): Print total input size.
4078         * merge.h (Output_merge_string): Add input_size_ field.
4079         * stringpool.cc (Stringpool_template::string_length): Move
4080         implementations out of Stringpool_template class and place in
4081         stringpool.h.
4082         * stringpool.h (string_length): Move out of Stringpool_template.
4083
4084 2010-08-03  Ian Lance Taylor  <iant@google.com>
4085
4086         PR 11712
4087         * layout.cc (relaxation_loop_body): If address of load segment is
4088         set, adjust address to include headers if possible.
4089
4090 2010-08-03  Ian Lance Taylor  <iant@google.com>
4091
4092         * version.cc (version_string): Bump to 1.10.
4093
4094 2010-08-03  Ian Lance Taylor  <iant@google.com>
4095
4096         PR 11805
4097         * layout.h (enum Output_section_order): Define.
4098         (class Layout): Update declarations.
4099         * layout.cc (Layout::get_output_section): Add order parameter.
4100         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4101         is_first_non_relro parameters.  Change all callers.
4102         (Layout::choose_output_section): Likewise.
4103         (Layout::add_output_section_data): Likewise.
4104         (Layout::make_output_section): Likewise.  Set order.
4105         (Layout::default_section_order): New function.
4106         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4107         * output.cc (Output_section::Output_section): Initialize order_.
4108         Don't initialize deleted fields.
4109         (Output_segment::Output_segment): Don't initialize deleted
4110         fields.
4111         (Output_segment::add_output_section_to_load): New function
4112         replacing add_output_section.  Change all callers to call this or
4113         add_output_section_to_nonload.
4114         (Output_segment::add_output_section_to_nonload): New function.
4115         (Output_segment::remove_output_section): Rewrite.
4116         (Output_segment::add_initial_output_data): Likewise.
4117         (Output_segment::has_any_data_sections): Likewise.
4118         (Output_segment::is_first_section_relro): Likewise.
4119         (Output_segment::maximum_alignment): Likewise.
4120         (Output_segment::has_dynamic_reloc): New function replacing
4121         dynamic_reloc_count.  Change all callers.
4122         (Output_segment::has_dynamic_reloc_list): New function replacing
4123         dynamic_reloc_count_list.  Change all callers.
4124         (Output_segment::set_section_addresses): Rewrite.
4125         (Output_segment::set_offset): Rewrite.
4126         (Output_segment::find_first_and_last_list): Remove.
4127         (Output_segment::set_tls_offsets): Rewrite.
4128         (Output_segment::first_section_load_address): Likewise.
4129         (Output_segment::output_section_count): Likewise.
4130         (Output_segment::section_with_lowest_load_address): Likewise.
4131         (Output_segment::write_section_headers): Likewise.
4132         (Output_segment::print_sections_to_map): Likewise.
4133         * output.h (class Output_data): Remove dynamic_reloc_count_
4134         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4135         (Output_data::add_dynamic_reloc): Rewrite.
4136         (Output_data::has_dynamic_reloc): New function.
4137         (Output_data::dynamic_reloc_count): Remove.
4138         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4139         is_last_relro_, is_first_non_relro_, is_interp_,
4140         is_dynamic_linker_section_ fields.  Add order and set_order
4141         functions.  Remove is_relro_local, set_is_relro_local,
4142         is_last_relro, set_is_last_relro, is_first_non_relro,
4143         set_is_first_non_relro functions, is_interp, set_is_interp,
4144         is_dynamic_linker_section, and set_is_dynamic_linker_section
4145         functions.
4146         (class Output_segment): Change Output_data_list from std::list to
4147         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4148         output_bss_ fields.  Update declarations.
4149
4150 2010-08-02  Ian Lance Taylor  <iant@google.com>
4151
4152         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4153         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4154         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4155
4156 2010-08-02  Ian Lance Taylor  <iant@google.com>
4157
4158         PR 11855
4159         * script.cc (Script_options::Script_options): Initialize
4160         symbol_definitions_ and symbol_references_.
4161         (Script_options::add_symbol_assignment): Update
4162         symbol_definitions_ and symbol_references_.
4163         (Script_options::add_symbol_reference): New function.
4164         (script_symbol): New function.
4165         * script.h (class Script_options): Add symbol_definitions_ and
4166         symbol_references_ fields.
4167         (Script_options::referenced_const_iterator): New type.
4168         (Script_options::referenced_begin): New function.
4169         (Script_options::referenced_end): New function.
4170         (Script_options::is_referenced): New function.
4171         (Script_options::any_unreferenced): New function.
4172         * script-c.h (script_symbol): Declare.
4173         * yyscript.y (exp): Call script_symbol.
4174         * symtab.cc: Include "script.h".
4175         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4176         Change all callers.  Check symbols referenced by scripts.
4177         (Symbol_table::add_undefined_symbols_from_command_line): Add
4178         layout parameter.  Change all callers.
4179         (Symbol_table::do_add_undefined_symbols_from_command_line):
4180         Likewise.  Break out loop body.  Check symbols referenced by
4181         scripts.
4182         (Symbol_table::add_undefined_symbol_from_command_line): New
4183         function broken out of
4184         do_add_undefined_symbols_from_command_line.
4185         * symtab.h (class Symbol_table): Update declarations.
4186         * archive.cc: Include "layout.h".
4187         (Archive::should_include_member): Add layout parameter.  Change
4188         all callers.  Check for symbol mentioned in expression.
4189         * archive.h (class Archive): Update declaration.
4190         * object.cc (Sized_relobj::do_should_include_member): Add layout
4191         parameter.
4192         * object.h (Object::should_include_member): Add layout parameter.
4193         Change all callers.
4194         (Object::do_should_include_member): Add layout parameter.
4195         (class Sized_relobj): Update declaration.
4196         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4197         parameter.
4198         * dynobj.h (class Sized_dynobj): Update declaration.
4199         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4200         layout parameter.
4201         * plugin.h (class Sized_pluginobj): Update declaration.
4202
4203 2010-08-02  Ian Lance Taylor  <iant@google.com>
4204
4205         PR 11866
4206         * output.cc (Output_segment::set_offset): Search for the first and
4207         last sections rather than assuming that the list is in order.
4208         (Output_segment::find_first_and_last_list): New function.
4209         * output.h (class Output_segment): Update declarations.
4210         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4211         (relro_strip_test_SOURCES): New variable.
4212         (relro_strip_test_DEPENDENCIES): New variable.
4213         (relro_strip_test_LDFLAGS): New variable.
4214         (relro_strip_test_LDADD): New variable.
4215         (relro_strip_test.so): New target.
4216
4217 2010-08-02  Ian Lance Taylor  <iant@google.com>
4218
4219         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4220         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4221         (Target_i386::got_tlsdesc_section): New function.
4222         (Target_i386::got_section): Create space for GOT entries for
4223         TLSDESC relocations.
4224         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4225         R_386_TLS_GOTDESC.
4226         (Target_i386::Scan::global): Likewise.
4227         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4228         using TLSDESC GOT.
4229         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4230         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4231         (Target_x86_64::got_tlsdesc_section): New function.
4232         (Target_x86_64::got_section): Create space for GOT entries for
4233         TLSDESC relocations.
4234         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4235         R_386_TLS_GOTDESC.
4236         (Target_x86_64::Scan::global): Likewise.
4237         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4238         using TLSDESC GOT.
4239
4240 2010-08-02  Ian Lance Taylor  <iant@google.com>
4241
4242         * testsuite/final_layout.sh: Use dc to convert from hex to
4243         decimal.
4244
4245 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4246
4247         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4248         paramter to the call to gold::gc_process_relocs.
4249         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4250         paramter to the call to gold::gc_process_relocs.
4251         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4252         parameter to the call to gold::gc_process_relocs.
4253         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4254         template parameter to the call to gold::gc_process_relocs.
4255         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4256         paramter to the call to gold::gc_process_relocs.
4257         * gc.h (get_embedded_addend_size): New function.
4258         (gc_process_relocs): Save the size of the reloc for use by ICF.
4259         * icf.cc (get_section_contents): Get the addend from the text section
4260         for SHT_REL relocation sections.
4261         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4262         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4263         * int_encoding.h (read_from_pointer): New overloaded function.
4264         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4265         * testsuite/icf_sht_rel_addend_test.sh: New file.
4266         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4267         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4268
4269 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4270
4271         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4272         * Makefile.in: Regenerate.
4273         * testsuite/Makefile.in: Regenerate.
4274
4275 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4276
4277         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4278         * gold/testsuite/debug_msg.cc: Likewise.
4279         * gold/testsuite/odr_violation1.cc
4280         * gold/testsuite/odr_violation2.cc
4281
4282 2010-07-21  Cary Coutant  <ccoutant@google.com>
4283
4284         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4285         string, and length fields.
4286         (Output_merge_string::Merged_strings_list): New type.
4287         (Output_merge_string::Merged_strings_lists): New typedef.
4288         (Output_merge_string): Replace merged_strings_ with
4289         merged_strings_lists_.
4290         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4291         Merged_strings_list per input object and section.  Don't store pointer
4292         to the string.  Don't store length with each merged string entry.
4293         (Output_merge_string::finalize_merged_data): Loop over list of merged
4294         strings lists.  Recompute length of each merged string.
4295
4296 2010-07-15  Cary Coutant  <ccoutant@google.com>
4297
4298         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4299         here.
4300
4301 2010-07-14  Ian Lance Taylor  <iant@google.com>
4302
4303         * descriptors.cc (Descriptors::open): Report correct name in error
4304         message.
4305
4306 2010-07-13  Doug Kwan  <dougkwan@google.com>
4307
4308         * arm.cc (Arm_input_section::Arm_input_section): For a
4309         SHT_ARM_EXIDX section, always keeps the input sections.
4310         (Arm_input_section::set_exidx_section_link): New method.
4311         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4312         has_errors_ to false.
4313         (Arm_exidx_input_section::has_errors,
4314         Arm_exidx_input_section::set_has_errors): New methods.
4315         (Arm_exidx_input_section::has_errors_): New data member.
4316         (Arm_relobj::get_exidx_shndx_list): New method.
4317         (Arm_output_section::append_text_sections_to_list): Do not skip
4318         section without SHF_EXECINSTR.
4319         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4320         errors.
4321         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4322         section header.  Make error messages more verbose.  Check for
4323         a non-executable section linked to an EXIDX section.
4324         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4325         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4326         check that there is no deferred EXIDX section if we exit early.
4327         Instead of not making an EXIDX section in case of an error, make one
4328         and set the has_errors flag of it.
4329         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4330         in a relocatable link.
4331         (Target_arm::do_relax): Look for the EXIDX output section instead of
4332         assuming that it is called .ARM.exidx.
4333         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4334         section list.  Do not check for SHF_EXECINSTR section flags but
4335         skip any input section with errors.
4336         * output.cc (Output_section::Output_section): Initialize
4337         always_keeps_input_sections_ to false.
4338         (Output_section::add_input_section): Check for
4339         always_keeps_input_sections_.
4340         *  output.h (Output_section::always_keeps_input_sections,
4341         Output_section::set_always_keeps_input_sections): New methods.
4342         (Output_section::always_keeps_input_sections): New data member.
4343
4344 2010-07-13  Rafael Espindola  <espindola@google.com>
4345
4346         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4347         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4348
4349 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4350             Ian Lance Taylor  <iant@google.com>
4351
4352         * output.h (Output_section_lookup_maps::add_merge_section):
4353         Correct check of whether value was inserted.
4354         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4355         (Output_section_lookup_maps::add_relaxed_input_section):
4356         Likewise.
4357         * arm.cc (Target_arm::got_section): Remove used local os.
4358         * i386.cc (Target_i386::got_section): Likewise.
4359         * x86_64.cc (Target_x86_64::got_section): Likewise.
4360         * sparc.cc (Target_sparc::got_section): Likewise.
4361         (Target_sparc::relocate): Remove unused local have_got_offset.
4362         * powerpc.cc (Target_powerpc::relocate): Likewise.
4363
4364 2010-07-13  Ian Lance Taylor  <iant@google.com>
4365
4366         * compressed_output.cc (zlib_decompress): Fix signature in
4367         !HAVE_ZLIB_H case.
4368
4369         * archive.cc (Archive::include_member): Unlock an external member
4370         of a thin archive.  Don't bother to delete an object we know is
4371         NULL.
4372
4373 2010-07-12  Cary Coutant  <ccoutant@google.com>
4374
4375         * compressed_output.cc (zlib_decompress): New function.
4376         (get_uncompressed_size): New function.
4377         (decompress_input_section): New function.
4378         * compressed_output.h (get_uncompressed_size): New function.
4379         (decompress_input_section): New function.
4380         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4381         Handle compressed debug sections.
4382         * layout.cc (is_compressed_debug_section): New function.
4383         (Layout::output_section_name): Map compressed section names to
4384         canonical names.
4385         * layout.h (is_compressed_debug_section): New function.
4386         (is_debug_info_section): Recognize compressed debug sections.
4387         * merge.cc: Include compressed_output.h.
4388         (Output_merge_data::do_add_input_section): Handle compressed
4389         debug sections.
4390         (Output_merge_string::do_add_input_section): Handle compressed
4391         debug sections.
4392         * object.cc: Include compressed_output.h.
4393         (Sized_relobj::Sized_relobj): Initialize new data members.
4394         (build_compressed_section_map): New function.
4395         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4396         * object.h (Object::section_is_compressed): New method.
4397         (Object::do_section_is_compressed): New method.
4398         (Sized_relobj::Compressed_section_map): New type.
4399         (Sized_relobj::do_section_is_compressed): New method.
4400         (Sized_relobj::compressed_sections_): New data member.
4401         * output.cc (Output_section::add_input_section): Handle compressed
4402         debug sections.
4403         * reloc.cc: Include compressed_output.h.
4404         (Sized_relobj::write_sections): Handle compressed debug sections.
4405
4406 2010-07-08  Cary Coutant  <ccoutant@google.com>
4407
4408         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4409         weak when resolving to a dynamic def.
4410         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4411         for weak undef/dynamic def cases. Adjust callers.
4412         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4413         undef_binding_weak_.
4414         (Symbol_table::sized_write_globals): Adjust symbol binding.
4415         (Symbol_table::sized_write_symbol): Add binding parameter.
4416         * symtab.h (Symbol::set_undef_binding): New method.
4417         (Symbol::is_undef_binding_weak): New method.
4418         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4419         (Symbol_table::should_override): Add new parameter.
4420         (Symbol_table::sized_write_symbol): Add new parameter.
4421
4422         * testsuite/weak_undef_file1.cc: Add new test case.
4423         * testsuite/weak_undef_file2.cc: Fix header comment.
4424         * testsuite/weak_undef_test.cc: Add new test case.
4425
4426 2010-06-29  Doug Kwan  <dougkwan@google.com>
4427
4428         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4429         Initialize USE_SYMBOL_.
4430         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4431         definition.
4432         (Arm_reloc_property::uses_symbol_): New data member declaration.
4433         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4434         uses symbol value and symbol is undefined but not weakly undefined.
4435
4436 2010-06-28  Rafael Espindola  <espindola@google.com>
4437
4438         * plugin.cc (Plugin::load): Use dlerror.
4439
4440 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4441
4442         * symtab.cc (detect_odr_violations): When reporting an ODR
4443         violation, report an object where the symbol is defined.
4444
4445 2010-06-25  Doug Kwan  <dougkwan@google.com>
4446
4447         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4448         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4449         definition.
4450         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4451         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4452         target hook to detect function points.
4453         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4454         * icf.h (Icf::check_section_for_function_pointers): Change type of
4455         parameter SECTION_NAME to const reference to std::string.  Use
4456         target hook to determine if section may have unsafe pointers.
4457         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4458         method definition.
4459
4460 2010-06-21  Rafael Espindola  <espindola@google.com>
4461
4462         * fileread.cc (Input_file::find_fie): New
4463         (Input_file::open): Use Input_file::find_fie.
4464         * fileread.h (Input_file::find_fie): New
4465         * plugin.cc (set_extra_library_path): New.
4466         (Plugin::load): Add set_extra_library_path to the transfer vector.
4467         (Plugin_manager::set_extra_library_path): New.
4468         (Plugin_manager::add_input_file): Use the extra search path if set.
4469         (set_extra_library_path(): New.
4470         * plugin.h (Plugin_manager): Add set_extra_library_path and
4471         extra_search_path_.
4472
4473 2010-06-19  Cary Coutant  <ccoutant@google.com>
4474
4475         * layout.cc (gdb_sections): Add .debug_types.
4476         (lines_only_debug_sections): Likewise.
4477
4478 2010-06-18  Rafael Espindola  <espindola@google.com>
4479
4480         * plugin.cc (add_input_file,add_input_library)
4481         (Plugin_manager::add_input_file): Make filename arguments const.
4482         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4483         const.
4484
4485 2010-06-16  Doug Kwan  <dougkwan@google.com>
4486
4487         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4488         .ARM.attributes section if we have not merged any input
4489         attributes sections.
4490
4491 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4492
4493         * arm.cc: Allow combining objects with no EABI version
4494         information.
4495
4496 2010-06-15  Rafael Espindola  <espindola@google.com>
4497
4498         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4499
4500 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4501
4502         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4503         (struct iovec): Correct !HAVE_READV definition.
4504
4505 2010-06-10  Cary Coutant  <ccoutant@google.com>
4506
4507         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4508         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4509         reloc sections.
4510         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4511
4512         PR 11683
4513         * symtab.h (Symbol::is_placeholder): New member function.
4514         * target-reloc.h (relocate_section): Check for placeholder symbols.
4515
4516         * testsuite/Makefile.am (plugin_test_8): New test.
4517         (plugin_test_9): New test.
4518         * testsuite/Makefile.in: Regenerate.
4519
4520 2010-06-09  Nick Clifton  <nickc@redhat.com>
4521
4522         * yyscript.y (input_list_element): Allow strings prefixed with
4523         the '-' character.  Treat these as libraries.
4524         * script.cc (script_add_library): New function.  Adds a library
4525         specified by "-l<name>" found in an input script.
4526         * script-c.h: Add prototype for script_add_library.
4527
4528 2010-06-07  Doug Kwan  <dougkwan@google.com>
4529
4530         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4531         Restrict stub-group size to be within long conditional branch
4532         range when working around cortex-A8 erratum.
4533
4534 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4535
4536         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4537         #ifdef typo.
4538
4539 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4540
4541         PR gold/11658
4542         * output.cc
4543         (Output_section::Input_section_sort_entry::compare_section_ordering):
4544         Change to return non-zero correctly.
4545         (Output_section::Input_section_sort_section_order_index_compare
4546         ::operator()): Change to fix ambiguity in comparisons.
4547
4548 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4549
4550         * gold.h (is_wildcard_string): New function.
4551         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4552         (Layout::layout_eh_frame): Ditto.
4553         (Layout::find_section_order_index): New method.
4554         (Layout::read_layout_from_file): New method.
4555         * layout.h (Layout::find_section_order_index): New method.
4556         (Layout::read_layout_from_file): New method.
4557         (Layout::input_section_position_): New private member.
4558         (Layout::input_section_glob_): New private member.
4559         * main.cc (main): Call read_layout_from_file here.
4560         * options.h (--section-ordering-file): New option.
4561         * output.cc (Output_section::input_section_order_specified_): New
4562         member.
4563         (Output_section::Output_section): Initialize new member.
4564         (Output_section::add_input_section): Add new parameter.
4565         Keep input sections when --section-ordering-file is used.
4566         (Output_section::set_final_data_size): Sort input sections when
4567         section ordering file is specified.
4568         (Output_section::Input_section_sort_entry): Add new parameter.
4569         Check sorting type.
4570         (Output_section::Input_section_sort_entry::compare_section_ordering):
4571         New method.
4572         (Output_section::Input_section_sort_compare::operator()): Change to
4573         consider section_order_index.
4574         (Output_section::Input_section_sort_init_fini_compare::operator()):
4575         Change to consider section_order_index.
4576         (Output_section::Input_section_sort_section_order_index_compare
4577         ::operator()): New method.
4578         (Output_section::sort_attached_input_sections): Change to sort
4579         according to section order when specified.
4580         (Output_section::add_input_section<32, true>): Add new parameter.
4581         (Output_section::add_input_section<64, true>): Add new parameter.
4582         (Output_section::add_input_section<32, false>): Add new parameter.
4583         (Output_section::add_input_section<64, false>): Add new parameter.
4584         * output.h (Output_section::add_input_section): Add new parameter.
4585         (Output_section::input_section_order_specified): New
4586         method.
4587         (Output_section::set_input_section_order_specified): New method.
4588         (Input_section::Input_section): Initialize section_order_index_.
4589         (Input_section::section_order_index): New method.
4590         (Input_section::set_section_order_index): New method.
4591         (Input_section::section_order_index_): New member.
4592         (Input_section::Input_section_sort_section_order_index_compare): New
4593         struct.
4594         (Output_section::input_section_order_specified_): New member.
4595         * script-sections.cc (is_wildcard_string): Delete and move modified
4596         method to gold.h.
4597         (Output_section_element_input::Output_section_element_input): Modify
4598         call to is_wildcard_string.
4599         (Output_section_element_input::Input_section_pattern
4600         ::Input_section_pattern): Ditto.
4601         (Output_section_element_input::Output_section_element_input): Ditto.
4602         * testsuite/Makefile.am (final_layout): New test case.
4603         * testsuite/Makefile.in: Regenerate.
4604         * testsuite/final_layout.cc: New file.
4605         * testsuite/final_layout.sh: New file.
4606
4607 2010-06-01  Rafael Espindola  <espindola@google.com>
4608
4609         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4610
4611 2010-06-01  Rafael Espindola  <espindola@google.com>
4612
4613         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4614         visibility of symbols.
4615
4616 2010-05-27  Doug Kwan  <dougkwan@google.com>
4617
4618         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4619         from start of output section instead of address for a local symbol
4620         in a merged or relaxed section when doing a relocatable link.
4621
4622 2010-05-26  Rafael Espindola  <espindola@google.com>
4623
4624        PR 11604
4625         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4626         adding sections the garbage collector removed.
4627         * gold/testsuite/Makefile.am: Add test.
4628         * gold/testsuite/Makefile.in: Regenerate.
4629         * gold/testsuite/plugin_test_7.sh: New.
4630         * gold/testsuite/plugin_test_7_1.c: New.
4631         * gold/testsuite/plugin_test_7_2.c: New.
4632
4633 2010-05-26  Rafael Espindola  <espindola@google.com>
4634
4635         * script-sections.cc (Output_section_definition::set_section_addresses):
4636         Check for --section-start.
4637
4638 2010-05-26  Doug Kwan  <dougkwan@google.com>
4639
4640         * arm.cc (Arm_scan_relocatable_relocs): New class.
4641         (Target_arm::relocate_special_relocatable): New method.
4642         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4643         (Arm_relocate_functions::thumb_branch_common): Same.
4644         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4645         instead of Default_scan_relocatable_relocs.
4646         * target-reloc.h (relocate_for_relocatable): Let target handle
4647         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4648         * target.h (Sized_target::relocate_special_relocatable): New method.
4649
4650 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4651
4652         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4653
4654 2010-05-23  Doug Kwan  <dougkwan@google.com>
4655
4656         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4657         instead of a cast.
4658         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4659         with a direct branch, not a conditional branch, to a stub.
4660         * merge.cc (Output_merge_base::record_input_section): New method
4661         defintion.
4662         (Output_merge_data::do_add_input_section): Record input section if
4663         keeps-input-sections flag is set.
4664         (Output_merge_string::do_add_input_section): Ditto.
4665         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4666         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4667         INPUT_SECTIONS_.
4668         (Output_merge_base::keeps_input_sections,
4669         Output_merge_base::set_keeps_input_sections,
4670         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4671         method definitions.
4672         (Output_merge_base::Input_sections): New type declaration.
4673         (Output_merge_base::input_sections_begin,
4674         Output_merge_base::input_sections_end,
4675         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4676         (Output_merge_base::bool keeps_input_sections_,
4677         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4678         Output_merge_base::input_sections_): New data members.
4679         (Output_merge_data::do_set_keeps_input_sections): New method
4680         defintion.
4681         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4682         * output.cc (Output_section::Input_section::relobj): Move method
4683         defintion from class declaration to here and handle merge sections.
4684         (Output_section::Input_section::shndx): Ditto.
4685         (Output_section::Output_section): Remove initializations of removed
4686         data members and initialize new data member LOOKUP_MAPS_.
4687         (Output_section::add_input_section): Set keeps-input-sections flag
4688         for a newly created merge output section as appropriate.  Adjust code
4689         to use Output_section_lookup_maps class.
4690         (Output_section::add_relaxed_input_section): Adjst code for lookup
4691         maps code refactoring.
4692         (Output_section::add_merge_input_section): Add a new parameter
4693         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4694         class.  If adding input section to a newly created merge output
4695         section fails, remove the new merge section.
4696         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4697         Adjust code for use of the Output_section_lookup_maps class.
4698         (Output_section::find_merge_section): Ditto.
4699         (Output_section::build_lookup_maps): New method defintion.
4700         (Output_section::find_relaxed_input_section): Adjust code to use
4701         Output_section_lookup_maps class.
4702         (Output_section::get_input_sections): Export merge sections.  Adjust
4703         code to use Output_section_lookup_maps class.
4704         (Output_section:::add_script_input_section): Adjust code to use
4705         Output_section_lookup_maps class.  Update lookup maps for merge
4706         sections also.
4707         (Output_section::discard_states): Use Output_section_lookup_maps.
4708         (Output_section::restore_states): Same.
4709         * output.h (Merge_section_properties): Move class defintion out of
4710         Output_section.
4711         (Output_section_lookup_maps): New class.
4712         (Output_section::Input_section::is_merge_section): New method
4713         defintion.
4714         (Output_section::Input_section::relobj): Move defintion out of class
4715         defintion.  Declare method only.
4716         (Output_section::Input_section::shndx): Ditto.
4717         (Output_section::Input_section::output_merge_base): New method defintion.
4718         (Output_section::Input_section::u2_.pomb): New union field.
4719         (Output_section::Merge_section_by_properties_map,
4720         Output_section::Output_section_data_by_input_section_map,
4721         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4722         Remove types.
4723         (Output_section::add_merge_input_section): Add new parameter
4724         KEEPS_INPUT_SECTIONS.
4725         (Output_section::build_lookup_maps): New method declaration.
4726         (Output_section::merge_section_map_,
4727         Output_section::merge_section_by_properties_map_,
4728         Output_section::relaxed_input_section_map_,
4729         Output_section::is_relaxed_input_section_map_valid_): Remove data
4730         members.
4731         (Output_section::lookup_maps_): New data member.
4732
4733 2010-05-21  Doug Kwan  <dougkwan@google.com>
4734
4735         PR gold/11619
4736         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4737         avoid a compilation error.
4738
4739 2010-05-19  Rafael Espindola  <espindola@google.com>
4740
4741         * script-sections.cc (Output_section_definition::allocate_to_segment):
4742         Update the phdrs_list even when the output section is NULL.
4743         * testsuite/Makefile.am: Add test.
4744         * testsuite/Makefile.in: Regenerate.
4745         * testsuite/script_test_9.cc: New.
4746         * testsuite/script_test_9.sh: New.
4747         * testsuite/script_test_9.t: New.
4748
4749 2010-05-19  Doug Kwan  <dougkwan@google.com>
4750
4751         * arm.cc (Arm_input_section::original_size): New method.
4752         (Arm_input_section::do_addralign): Add a cast.
4753         (Arm_input_section::do_output_offset): Remove static cast.
4754         (Arm_input_section::original_addralign,
4755          Arm_input_section::original_size_): Change type to uint32_t.
4756         (Arm_input_section::init): Add safe casts for section alignment
4757         and size.
4758         (Arm_input_section::set_final_data_size): Do not set address and
4759         offset of stub table.
4760         (Arm_output_section::fix_exidx_coverage): Change use of of
4761         Output_section::Simple_input_section to that of
4762         Output_section::Input_section.
4763         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4764         except for the first pass.
4765         * output.cc (Output_section::get_input_sections): Change type of
4766         input_sections to std::list<Input_section>.
4767         (Output_section::add_script_input_section): Rename from
4768         Output_section::add_simple_input_section.  Change type of SIS
4769         parameter from Simple_input_section to Input_section.
4770         * output.h (Output_section::Simple_input_section): Remove class.
4771         (Output_section::Input_section): Change class visibility to public.
4772         (Output_section::Input_section::addralign): Use stored alignments
4773         for special input sections if set.
4774         (Output_section::Input_section::set_addralign): New method.
4775         (Output_section::get_input_sections): Change parameter type from
4776         list of Simple_input_section to list of Input_section.
4777         (Output_section::add_script_input_section): Rename from
4778         Output_section::add_simple_input_section. Change first parameter's
4779         type from Simple_input_section to Input_section and remove the
4780         second and third parameters.
4781         * script-sections.cc (Input_section::Input_section_list): Change
4782         type to list of Output_section::Input_section/
4783         (Input_section_info::Input_section_info): Change parameter type of
4784         INPUT_SECTION to Output_section::Input_section.
4785         (Input_section_info::input_section): Change return type.
4786         (Input_section_info::input_section_): Change type to
4787         Output_section::Input_section.
4788         (Output_section_element_input::set_section_addresses): Adjust code
4789         to use Output_section::Input_section instead of
4790         Output_section::Simple_input_section.  Adjust code for renaming
4791         of Output_section::add_simple_input_section.
4792         (Orphan_output_section::set_section_addresses): Ditto.
4793
4794 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4795
4796         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4797         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4798
4799 2010-05-18  Rafael Espindola  <espindola@google.com>
4800
4801         * options.cc (General_options::finalize): Handle -nostdlib.
4802         * options.h (nostdlib): New option.
4803         * script.cc (script_add_search_dir): Handle -nostdlib.
4804
4805 2010-05-12  Doug Kwan  <dougkwan@google.com>
4806
4807         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4808         attributes section only if there no attributes section after merging.
4809         (Target_arm::merge_object_attributes): Move value of
4810         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4811         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4812         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4813         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4814         and arm_attr_merge_7.stdout.
4815         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4816         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4817         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4818         arm_attr_merge_7b.o): New rules.
4819         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4820         arm_attr_merge_7
4821         * testsuite/Makefile.in: Regenerate.
4822         * testsuite/arm_attr_merge.sh: New file.
4823         * testsuite/arm_attr_merge_[67][ab].s: Same.
4824
4825 2010-05-05  Nick Clifton  <nickc@redhat.com>
4826
4827         * po/es.po: Updated Spanish translation.
4828
4829 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4830
4831         * Makefile.am (install-exec-local): Properly install gold as
4832         default cross linker.
4833         * Makefile.in: Regenerated.
4834
4835 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4836             Nick Clifton  <nickc@redhat.com>
4837
4838         * configure.ac (install_as_default): Define and set to false
4839         unless --enable-gold or --enable-gold=both/gold has been
4840         specified.
4841         * configure: Regenerate.
4842
4843         * Makefile.am (install-exec-local): Install the executable as
4844         'ld.gold'.  If install_as_default is true then also install it as
4845         'ld'.
4846         * Makefile.in: Regenerated.
4847
4848 2010-04-24  Ian Lance Taylor  <iant@google.com>
4849
4850         * layout.cc (Layout::layout_reloc): In relocatable link don't
4851         combine reloc sections for grouped sections.
4852
4853 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4854
4855         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4856         sections that are not ordinary to icf.
4857         * icf.cc (get_section_contents): Handle relocation pointing to section
4858         with no object or shndx information.
4859         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4860         * testsuite/Makefile.in: Regenerate.
4861         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4862         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4863
4864 2010-04-22  Ian Lance Taylor  <iant@google.com>
4865
4866         * expression.cc (Expression::Expression_eval_info): Add
4867         result_alignment_pointer field.
4868         (Expression::eval_with_dot): Add result_alignment_pointer
4869         parameter.  Change all callers.
4870         (Expression::eval_maybe_dot): Likewise.
4871         (class Binary_expression): Add alignment_pointer parameter to
4872         left_value and right_value.  Change all callers.
4873         (BINARY_EXPRESSION): Set result alignment.
4874         (class Trinary_expression): Add alignment_pointer parameter to
4875         arg2_value and arg3_value.  Change all callers.
4876         (Trinary_cond::value): Set result alignment.
4877         (Max_expression::value, Min_expression::value): Likewise.
4878         (Align_expression::value): Likewise.
4879         * script-sections.cc (class Sections_element): Add dot_alignment
4880         parameter to set_section_addresses virtual function.  Update
4881         instantiations.
4882         (class Output_section_element): Likewise.
4883         (Script_sections::create_segments): Add dot_alignment parameter.
4884         Change all callers.
4885         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4886         (Script_sections::set_phdrs_clause_addresses): Likewise.
4887         * script-sections.h: Update declarations.
4888         * script.h: Update declarations.
4889         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4890         min_p_align.
4891         * testsuite/script_test_3.t: Set large alignment.
4892         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4893         segment has expected alignment.
4894
4895 2010-04-22  Nick Clifton  <nickc@redhat.com>
4896
4897         * po/gold.pot: Updated by the Translation project.
4898         * po/vi.po: Updated Vietnamese translation.
4899
4900 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4901
4902         * testsuite/Makefile.am (check_PROGRAMS): Add
4903         icf_virtual_function_folding_test.
4904         * testsuite/Makefile.in: Regenerated.
4905
4906 2010-04-15  Andrew Haley  <aph@redhat.com>
4907
4908         * options.h (merge_exidx_entries): New option.
4909         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4910         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4911         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4912         (Target_arm::merge_exidx_entries): New function.
4913         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4914         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4915         to Arm_exidx_fixup constructor.
4916         Add new arg, merge_exidx_entries.
4917         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4918         Arm_output_section::fix_exidx_coverage.
4919
4920 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4921
4922         * icf.cc (get_section_contents): Check for preemptible functions.
4923         Ignore addend when appropriate.
4924         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4925         section folded.
4926         (add_from_relobj): Check for section folded.
4927         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4928         * symtab.h (should_add_dynsym_entry): Add new parameter.
4929         * target-reloc.h (scan_relocs): Check for section folded.
4930         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4931         Check reloc types for function pointers in shared objects.
4932         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4933         case.
4934         (icf_preemptible_functions_test): New test case.
4935         (icf_string_merge_test): New test case.
4936         * testsuite.Makefile.in: Regenerate.
4937         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4938         bar_glob.  Refactor code.
4939         * testsuite/icf_preemptible_functions_test.cc: New file.
4940         * testsuite/icf_preemptible_functions_test.sh: New file.
4941         * testsuite/icf_string_merge_test.cc: New file.
4942         * testsuite/icf_string_merge_test.sh: New file.
4943         * testsuite/icf_virtual_function_folding_test.cc: New file.
4944         * testsuite/icf_virtual_function_folding_test.sh: New file.
4945
4946 2010-04-14  Doug Kwan  <dougkwan@google.com>
4947
4948         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4949         for local symbol recounting if we remove a section due to ICF.
4950         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4951         there are no regular objects in input.
4952
4953 2010-04-13  Doug Kwan  <dougkwan@google.com>
4954
4955         * arm.cc (Arm_input_section::set_final_data_size): Compute
4956         accurate final data size instead of using current data size.
4957
4958 2010-04-09  Doug Kwan  <dougkwan@google.com>
4959
4960         * layout.cc (Layout::choose_output_section): Handle script section
4961         types.
4962         (Layout::make_output_section_for_script): Add section type parameter.
4963         Handle script section types.
4964         * layout.h (Layout::make_output_section_for_script): Add section
4965         type parameter.
4966         * output.cc (Output_section::Output_section): Initialize data member
4967         is_noload_.
4968         (Output_section::do_reset_address_and_file_offset): Do not set address
4969         to 0 if section is a NOLOAD section.
4970         * output.h (Output_section::is_noload): New method.
4971         (Output_section::set_is_noload): Ditto.
4972         (Output_section::is_noload_): New data member.
4973         * script-c.h (Script_section_type): New enum type.
4974         (struct Parser_output_section_header): Add new file section_type.
4975         * script-sections.cc (Sections_element::output_section_name): Add
4976         parameter for returning script section type.
4977         (Output_section_definition::output_section_name): Ditto.
4978         (Output_section_definition::section_type)P; New method.
4979         (Output_section_definiton::script_section_type_name): Ditto.
4980         (Output_section_definition::script_section_type_): New data member.
4981         (Output_section_definition::Output_section_definition): Initialize
4982         data member Output_section_definition::script_section_type_.
4983         (Output_section_definition::create_sections): Pass script section type
4984         to Layout::make_output_section_for_script.
4985         (Output_section_definition::output_section_name): Return script
4986         section type to caller.
4987         (Output_section_definition::set_section_address): Do not advance
4988         dot value and load address if section type is NOLOAD.  Set address
4989         of NOLOAD sections regardless of section flags.
4990         (Output_section_definition::print): Print section type if it is
4991         not SCRIPT_SECTION_TYPE_NONE.
4992         (Output_section_definition::section_type): New method.
4993         (Output_section_definition::script_section_type_name): Ditto.
4994         (Script_sections::output_section_name): Add new parameter
4995         PSECTION_TYPE for returning script section type.  Pass it to
4996         section elements.  Handle discard sections.
4997         (Sort_output_sections::operator()): Handle NOLOAD sections.
4998         * script-sections.h (Script_sections::Section_type): New enum type.
4999         (Script_sections::output_section_name): Add a new parameter for
5000         returning script section type.
5001         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5002         INFO and NOLOAD.
5003         * yyscript.y (union): Add new field SECTION_TYPE.
5004         (COPY, DSECT, INFO, NOLOAD): New tokens.
5005         (opt_address_and_section_type): Change type to output_section_header.
5006         (section_type): New non-terminal
5007         (section_header): Handle section type.
5008         (opt_address_and_section_type): Return section type value.
5009
5010 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5011
5012         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5013         * testsuite/plugin_common_test_2.c (foo): Likewise.
5014
5015 2010-04-08  Doug Kwan  <dougkwan@google.com>
5016
5017         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5018         Output_merge_data.
5019         * output.cc (Output_section::add_merge_input_section): Simplify
5020         code and return status of Output_merge_base::add_input_section.
5021         Update merge section map only if Output_merge_base::add_input_section
5022         returns true.
5023
5024 2010-04-07  Doug Kwan  <dougkwan@google.com>
5025
5026         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5027         if section is marked as containing instructions but has no mapping
5028         symbols.
5029         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5030         correct section index.
5031         (Arm_relobj::find_linked_text_section): Ditto.
5032
5033 2010-04-07  Cary Coutant  <ccoutant@google.com>
5034
5035         * archive.cc (include_member): Destroy Read_symbols_data object before
5036         releasing file.
5037         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5038         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5039         (Read_symbols_data::~Read_symbols_data) New destructor.
5040         (Section_relocs::Section_relocs) New constructor.
5041         (Section_relocs::~Section_relocs) New destructor.
5042         (Read_relocs_data::Read_relocs_data) New constructor.
5043         (Read_relocs_data::~Read_relocs_data) New destructor.
5044         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5045         pointers to NULL after deleting.
5046
5047 2010-04-07  Doug Kwan  <dougkwan@google.com>
5048
5049         * arm.cc: Replace "endianity" with "endianness" in comments.
5050         (Arm_exidx_cantunwind): Ditto.
5051         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5052         (Arm_relobj::merge_flags_and_attributes): New method.
5053         (Arm_relobj::merge_flags_and_attributes_): New data member.
5054         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5055         (Arm_relobj::scan_sections_for_stubs): Ditto.
5056         (Arm_relobj::do_read_symbols): Check to see if we really want to
5057         merge processor-specific flags and attributes.  Exit early if
5058         an object is empty except for section names and the undefined symbol.
5059         (Target_arm::do_finalize_sections): Move check for ELF format to
5060         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5061         attributes from a regular object only when we have determined that
5062         it is aapropriate.  Do not create an .ARM.attributes section in
5063         output if there is no regular input object.
5064         (Target_arm::merge_processor_specific_flags): Check
5065         --warn-mismatch before printing any error.
5066         (Target_arm::merge_object_attributes): Ditto.
5067         * gold.cc (queue_middle_tasks): Handle the case in which there is
5068         no regular object in input.
5069         * options.cc (General_options::parse_EB): New method.
5070         (General_options::parse_EL): Same.
5071         (General_options::General_options): Initialize endianness_.
5072         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5073         New options.
5074         (General_options::Endianness): New enum.
5075         (General_options::endianness): New method.
5076         (General_options::endianness_): New data member.
5077         * parameters.cc (Parameters::set_options): Check target endianness.
5078         (Parameters::set_target_once): Ditto.
5079         (Parameters::check_target_endianness): New method.
5080         (parameters_force_valid_target): If either -EL or -EB is specified,
5081         use it to define endianness of default target.
5082         * parameters.h (Parameters::check_target_endianness): New method
5083         declaration.
5084         * target.h (class Target): Change "endianity" to "endianness"
5085         in comments.
5086
5087 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5088
5089         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5090         * configure: Regenerate.
5091         * Makefile.in: Regenerate.
5092         * testsuite/Makefile.in: Regenerate.
5093
5094 2010-04-06  Cary Coutant  <ccoutant@google.com>
5095
5096         gcc PR lto/42757
5097         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5098         prevailing definitions of common symbols.
5099         * testsuite/plugin_test_6.sh: New test case.
5100         * testsuite/plugin_common_test_1.c: New test case.
5101         * testsuite/plugin_common_test_2.c: New test case.
5102         * testsuite/Makefile.am (plugin_test_6): New test case.
5103         * testsuite/Makefile.in: Regenerate.
5104
5105 2010-04-06  Nick Clifton  <nickc@redhat.com>
5106
5107         * po/vi.po: New Vietnamese translation.
5108
5109 2010-03-30  Doug Kwan  <dougkwan@google.com>
5110
5111         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5112
5113 2010-03-25  Doug Kwan  <dougkwan@google.com>
5114
5115         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5116         to avoid a conversion warning on a 32-bit host.
5117
5118 2010-03-24  Ian Lance Taylor  <iant@google.com>
5119
5120         * testsuite/script_test_3.t: Add a TLS segment.
5121         * testsuite/Makefile.am (check_PROGRAMS): Add
5122         tls_phdrs_script_test.
5123         (tls_phdrs_script_test_SOURCES): Define.
5124         (tls_phdrs_script_test_DEPENDENCIES): Define.
5125         (tls_phdrs_script_test_LDFLAGS): Define.
5126         (tls_phdrs_script_test_LDADD): Define.
5127         * testsuite/Makefile.in: Rebuild.
5128
5129 2010-03-23  Cary Coutant  <ccoutant@google.com>
5130
5131         * fileread.cc (find_or_make_view): Fix comment.
5132
5133 2010-03-23  Ian Lance Taylor  <iant@google.com>
5134
5135         * script-sections.cc (class Orphan_section_placement): Define
5136         PLACE_TLS and PLACE_TLS_BSS.
5137         (Orphan_section_placement::Orphan_section_placement): Initialize
5138         new places.
5139         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5140         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5141         (tls_script_test_SOURCES): Define.
5142         (tls_script_test_DEPENDENCIES): Define.
5143         (tls_script_test_LDFLAGS): Define.
5144         (tls_script_test_LDADD): Define.
5145         * testsuite/Makefile.in: Rebuild.
5146
5147 2010-03-22  Doug Kwan  <dougkwan@google.com>
5148
5149         * arm.cc (Arm_relocate_functions::abs8,
5150         Arm_relocate_functions::abs16): Use correct check for overflow
5151         specified in the ARM ELF specs.
5152         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5153         target of a BLX instruction specially.
5154         (Reloc_stub::stub_type_for_reloc): Ditto.
5155         (Relocate::relocate): Use symbolic names instead of numeric relocation
5156         codes to report error.
5157         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5158         workaround.
5159         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5160         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5161         thumb2_blx_out_of_range.stdout
5162         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5163         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5164         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5165         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5166         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5167         thumb2_blx_in_range, thumb2_blx_in_range.o,
5168         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5169         thumb2_blx_out_of_range.o): New rules.
5170         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5171         thumb2_blx_in_range and thumb2_blx_out_of_range.
5172         * testsuite/Makefile.in: Regenerate.
5173         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5174         * testsuite/thumb_blx_in_range.s: New file.
5175         * testsuite/thumb_blx_out_of_range.s: New file.
5176
5177 2010-03-22  Rafael Espindola  <espindola@google.com>
5178
5179         * archive.cc (Should_include): Move to archive.h.
5180         (should_include_member): Make it a member of Archive.
5181         (Lib_group): New.
5182         (Add_lib_group_symbols): New.
5183         * archive.h: Include options.h.
5184         (Archive_member): Moved from Archive.
5185         (Should_include): Moved from archive.cc.
5186         (Lib_group): New.
5187         (Add_lib_group_symbols): New.
5188         * dynobj.cc (do_should_include_member): New.
5189         * dynobj.h (do_should_include_member): New.
5190         * gold.cc (queue_initial_tasks): Update call to queue.
5191         * main.cc (main): Print lib group stats.
5192         * object.cc (do_should_include_member): New.
5193         * object.h: Include archive.h.
5194         (Object::should_include_member): New.
5195         (Object::do_should_include_member): New.
5196         (Sized_relobj::do_should_include_member): New.
5197         * options.cc (General_options::parse_start_lib): New.
5198         (General_options::parse_end_lib): New.
5199         (Input_arguments::add_file): Handle lib groups.
5200         (Input_arguments::start_group): Check we are not in a lib.
5201         (Input_arguments::start_lib): New.
5202         (Input_arguments::end_lib): New.
5203         * options.h (General_options): Add start_lib and end_lib.
5204         (Input_argument::lib_): New.
5205         (Input_argument::lib): New.
5206         (Input_argument::is_lib): New.
5207         (Input_file_lib): New.
5208         (Input_arguments::in_lib_): New.
5209         (Input_arguments::in_lib): New.
5210         (Input_arguments::start_lib): New.
5211         (Input_arguments::end_lib_): New.
5212         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5213         in unused members as preempted.
5214         (Sized_pluginobj::do_should_include_member): New.
5215         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5216         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5217         return the blocker.
5218         (Read_symbols::do_whole_lib_group): New.
5219         (Read_symbols::do_lib_group): New.
5220         (Read_symbols::do_read_symbols): Handle lib groups.
5221         (Read_symbols::get_name): Handle lib groups.
5222         * readsyms.h (Read_symbols): Add an archive member pointer.
5223         (Read_symbols::do_whole_lib_group): New.
5224         (Read_symbols::do_lib_group): New.
5225         (Read_symbols::member_): New.
5226         * script.cc (read_input_script): Update call to queue_soon.
5227
5228 2010-03-19  Doug Kwan  <dougkwan@google.com>
5229
5230         * arm.cc (Stub_table::Stub_table): Initialize new data members
5231         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5232         (Stub_table::add_reloc_stub): Assign stub offset and update
5233         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5234         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5235         New data members.
5236         (Stub_table::update_data_size_and_addralign): Use
5237         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5238         instead of going over all reloc stubs.
5239         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5240         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5241         Stringpool_template::offset_ to size of Stringpool_char.
5242         (Stringpool_template::new_key_offset): Remove code to initialize
5243         Stringpool_template::offset_.
5244         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5245         Stringpool_template::offset_ to zero.
5246
5247 2010-03-15  Doug Kwan  <dougkwan@google.com>
5248
5249         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5250         offset_.
5251         (Stringpool_template::new_key_offset): New method.
5252         (Stringpool_template::add_string): Assign offsets when adding new
5253         strings.
5254         (Stringpool_template::set_string_offsets): Do not set string offsets
5255         when not optimizing.
5256         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5257         member size_.
5258         (Chunked_vector::clear): Clear size_.
5259         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5260         (Chunked_vector::size): Return size_.
5261         (Chunked_vector::push_back): Use size_ to find insert position.
5262         (Chunked_vector::size_): New data member.
5263         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5264         (Stringpool_template::new_key_offset): New method declaration.
5265         (Stringpool_template::offset_): New data member.
5266
5267 2010-03-15   Rafael Espindola  <espindola@google.com>
5268
5269         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5270         Add_symbols' constructor.
5271         * readsyms.h (Add_symbols): Remove the input_group member.
5272
5273 2010-03-10  Ian Lance Taylor  <iant@google.com>
5274
5275         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5276         target to ask whether a reference to a symbol requires a stack
5277         split.
5278         * target.h (Target::is_call_to_non_split): New function.
5279         (Target::do_is_call_to_non_split): Declare virtual function.
5280         * target.cc: Include "symtab.h".
5281         (Target::do_is_call_to_non_split): New function.
5282         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5283
5284 2010-03-10  Cary Coutant  <ccoutant@google.com>
5285
5286         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5287         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5288         (File_read::open[2]): Add whole_file_view_ to list of views.
5289         (File_read::make_view): Remove test of whole_file_view_.
5290         (File_read::find_or_make_view): Create whole_file_view_ if
5291         necessary.
5292         (File_read::clear_views): Replace bool parameter with enum;
5293         adjust all callers.  Don't delete views with permanent data;
5294         do delete cached views and views from archives if
5295         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5296         if clearing the corresponding view.
5297         * fileread.h (File_read::Clear_views_mode): New enum.
5298         (File_read::View::is_permanent_view): New method.
5299         (File_read::clear_views): Replace bool parameter
5300         with enum; adjust all callers.
5301         * options.h (General_options): Change keep_files_mapped option;
5302         add map_whole_files.
5303         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5304         releasing the file.
5305         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5306         the file.
5307
5308 2010-03-10  David S. Miller  <davem@davemloft.net>
5309
5310         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5311
5312 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5313
5314         * icf.cc (get_section_contents): Add '@' marker after processing the
5315         merge reloc.
5316
5317 2010-03-08  Doug Kwan  <dougkwan@google.com>
5318
5319         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5320         due to a conversion warning.
5321         (Arm_relobj::update_output_local_symbol_count): Check for local
5322         symbol with unset output index.
5323
5324 2010-03-05  Ian Lance Taylor  <iant@google.com>
5325
5326         * options.h (class General_options): Add --spare-dynamic-tags.
5327         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5328         --spare-dynamic-tags.
5329
5330 2010-03-05  Ian Lance Taylor  <iant@google.com>
5331
5332         * incremental.cc: Include "libiberty.h".
5333
5334 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5335
5336         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5337         function, is_info_ member.
5338         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5339         (Versions::Versions): Update caller.
5340         (Versions::define_base_version): Likewise.
5341         (Versions::add_def): Likewise.
5342
5343 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5344
5345         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5346         (Scan::possible_function_pointer_reloc): New function.
5347         (Scan::local_reloc_may_be_function_pointer): Change to call
5348         possible_function_pointer_reloc.
5349         (Scan::global_reloc_may_be_function_pointer): Ditto.
5350         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5351         relocations in ".data.rel.ro._ZTV" section.
5352         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5353         * testsuite/icf_safe_so_test.cc: Ditto.
5354         * testsuite/icf_safe_test.cc: Ditto.
5355         * testsuite/icf_safe_test.sh: Ditto.
5356
5357 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5358             Ian Lance Taylor  <iant@google.com>
5359
5360         * target-reloc.h (relocate_section): Check the symbol table index
5361         for -1U before setting the local symbol index.
5362         (scan_relocatable_relocs): If copying the relocation, record that
5363         the local symbol is required.
5364         * object.h (Symbol_value::is_output_symtab_index_set): New
5365         function.
5366         (Symbol_value::may_be_discarded_from_output_symtab): New
5367         function.
5368         (Symbol_value::has_output_symtab_entry): New function.
5369         (Symbol_value::needs_output_symtab_entry): Remove.
5370         (Symbol_value::output_symtab_index): Make sure the symbol index is
5371         set.
5372         (Symbol_value::set_output_symtab_index): Make sure the symbol
5373         index is not set.  Make sure the new index is valid.
5374         (Symbol_value::set_must_have_output_symtab_entry): New function.
5375         (Symbol_value::has_output_dynsym_entry): New function.
5376         (Symbol_value::set_output_dynsym_index): Make sure the new index
5377         is valid.
5378         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5379         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5380         local symbol if permitted.
5381         (Sized_relobj::do_finalize_local_symbols): Call
5382         is_output_symtab_index_set rather than needs_output_symtab_entry.
5383         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5384         rather than needs_output_symtab_entry.  Call
5385         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5386         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5387         is_output_symtab_index_set rather than needs_output_symtab_entry.
5388         * testsuite/discard_locals_relocatable_test.c: New file.
5389         * testsuite/discard_locals_test.sh: Test -r.
5390         * testsuite/Makefile.am (check_DATA): Add
5391         discard_locals_relocatable_test1.syms,
5392         discard_local_relocatable_test2.syms.
5393         (MOSTLYCLEANFILES): Likewise.  Also add
5394         discard_locals_relocatable_test1.lout and
5395         discard_locals_relocatable_test2.out.
5396         (discard_locals_relocatable_test1.syms): New target.
5397         (discard_locals_relocatable_test.o): New target.
5398         (discard_locals_relocatable_test1.out): New target.
5399         (discard_locals_relocatable_test2.syms): New target.
5400         (discard_locals_relocatable_test2.out): New target.
5401         (various): Add missing ../ld-new dependencies.
5402         * testsuite/Makefile.in: Rebuild.
5403
5404 2010-03-03  Nick Clifton  <nickc@redhat.com>
5405
5406         * po/fi.po: New Finnish translation.
5407
5408 2010-03-01  Doug Kwan  <dougkwan@google.com>
5409
5410         * layout.cc (Layout::Layout): Force section types of .init_array*,
5411         .preinit_array* and .fini_array* sections.
5412         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5413         Fix check of return value of std::string::find.().
5414         (Output_section::Input_section_sort_compare::operator()): Remove
5415         comment about .init_array.
5416         (Output_section::Input_section_sort_init_fini_compare::operator()):
5417         New method.
5418         (Output_section::sort_attached_input_sections): Handle .init_array
5419         and .fini_array specially.
5420         * output.h (Output_section::Inut_section_sort_compare): Update
5421         comment.
5422         (Output_section::Input_section_sort_init_fini_compare): New struct.
5423
5424 2010-02-26  Doug Kwan  <dougkwan@google.com>
5425
5426         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5427         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5428         * testsuite/debug_msg.sh: Avoid matching source line number for
5429         use of global variable undef_int.
5430
5431 2010-02-26  Doug Kwan  <dougkwan@google.com>
5432
5433         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5434         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5435         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5436         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5437         * options.cc (General_options::General_options): Initialize member
5438         fix_v4bx_.
5439         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5440         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5441         and rm_no_fix_v4bx.stdout
5442         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5443         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5444         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5445         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5446         and arm_no_fix_v4bx.
5447         * Makefile.in: Regenerate.
5448         * testsuite/arm_fix_v4bx.s: New file.
5449         * testsuite/arm_fix_v4bx.sh: Ditto.
5450
5451 2010-02-24  Doug Kwan  <dougkwan@google.com>
5452
5453         * arm.cc (Target_arm::got_section): Make the .got section the first
5454         non RELRO section in the data segment.
5455         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5456         suffixes of section names.
5457
5458 2010-02-24  Doug Kwan  <dougkwan@google.com>
5459
5460         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5461         flags and attributes merging if an input file is a binary file.
5462         * fileread.cc (Input_file::open): Record format of original file.
5463         * fileread.h (Input_file::Format): New enum type.
5464         (Input_file::Input_file): Initialize data member format_.
5465         (Input_file::format): New method definition.
5466         (Input_file::format_):: New data member.
5467
5468 2010-02-24  Doug Kwan  <dougkwan@google.com>
5469
5470         * arm.cc (Arm_output_data_got): New class.
5471         (ARM_TCB_SIZE): New constant
5472         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5473         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5474         If user uses a script with a SECTIONS clause, issue only a warning
5475         for a misplaced EXIDX input section.  Otherwise, issue an error.
5476         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5477         garbage collection.
5478         (Target_arm::got_mode_index_entry): Handle static linking.
5479         (Target_arm::Scan::local): Ditto.
5480         (Target_arm::Scan::global): Ditto.
5481         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5482         all incorrectly implemented relocations.
5483         (Target_arm::fix_exidx_coverage): Pass layout to
5484         Arm_output_section::fix_exidx_coverage.
5485         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5486         from ".ARM.exidx." and ".ARM.extab.".
5487
5488 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5489
5490         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5491         section if it does not already exist.
5492         * attributes.cc (Attributes_section_data::Attributes_section_data):
5493         Don't crash if size is zero.
5494
5495 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5496             Ian Lance Taylor  <iant@google.com>
5497
5498         * gold.cc (queue_middle_tasks): If no input files were opened,
5499         exit.
5500         * workqueue.h (Task_function::Task_function): Assert that there is
5501         a blocker.
5502
5503 2010-02-22  Doug Kwan  <dougkwan@google.com>
5504
5505         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5506         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5507         types to avoid warnings due to different uint64_t implementations
5508         on different hosts.
5509
5510 2010-02-21  Doug Kwan  <dougkwan@google.com>
5511
5512         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5513         handling of the maximum backward branch offset.
5514         (Arm_relocate_functions::thumb_branch_common): Ditto.
5515         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5516         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5517         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5518         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5519         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5520         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5521         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5522         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5523         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5524         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5525         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5526         thumb2_bl_out_of_range.o): New rules.
5527         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5528         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5529         thumb2_bl_out_of_range
5530         * testsuite/Makefile.in: Regenerate.
5531         * testsuite/arm_bl_in_range.s: New file.
5532         * testsuite/arm_bl_out_of_range.s: Ditto.
5533         * testsuite/arm_branch_in_range.sh: Ditto.
5534         * testsuite/arm_branch_range.t: Ditto.
5535         * testsuite/thumb2_branch_range.t: Ditto.
5536         * testsuite/thumb_bl_in_range.s: Ditto.
5537         * testsuite/thumb_bl_out_of_range.s: Ditto.
5538         * testsuite/thumb_branch_range.t: Ditto.
5539
5540 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5541
5542         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5543         Add reloc offset information.
5544         * icf.cc (get_section_contents): Change iterators to point to the new
5545         vectors. Add reloc offset information to the contents.
5546         * icf.h (Icf::Sections_reachable_info): New typedef.
5547         (Icf::Sections_reachable_list): New typedef.
5548         (Icf::Offset_info): New typedef.
5549         (Icf::Reloc_info): New struct typedef.
5550         (Icf::Reloc_info_list): New typedef.
5551         (Icf::symbol_reloc_list): Delete method.
5552         (Icf::addend_reloc_list): Delete method.
5553         (Icf::section_reloc_list): Delete method.
5554         (Icf::reloc_info_list): New method.
5555         (Icf::reloc_info_list_): New member.
5556
5557 2010-02-19  Doug Kwan  <dougkwan@google.com>
5558
5559         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5560         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5561         * arm.cc (Arm_relocation_functions): New forward declaration.
5562         (Target_arm::Target_arm): Initialize new data members
5563         got_mod_index_offset_ and tls_base_symbol_defined_.
5564         (Target_arm::Relocate::relocate_tls): New method.
5565         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5566          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5567         New methods.
5568         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5569         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5570         (Target_arm::got_mod_index_offset_,
5571         Target_arm::tls_base_symbol_defined_): New data members.
5572         (Target_arm::Scan::local, Target::Scan::global,
5573         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5574         relocations.
5575
5576 2010-02-18  Doug Kwan  <dougkwan@google.com>
5577
5578         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5579         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5580         text section as a parameter becuase some broken tools may not set
5581         the link in section header.
5582         (Target_arm::has_got_section): New method.
5583         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5584         without any mapping symbol as data only.  Remove warning.
5585         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5586         link in its section header, try to discover the link by inspecting the
5587         REL31 relocation at the beginning of the section.
5588         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5589         in error message.
5590         (Target_arm::Scan::global): Treat any reference to the symbol
5591         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5592
5593 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5594
5595         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5596         (Scan::global_reloc_may_be_function_pointer): New function.
5597         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5598         (Scan::global_reloc_may_be_function_pointer): New function.
5599         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5600         (Scan::global_reloc_may_be_function_pointer): New function.
5601         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5602         (Scan::global_reloc_may_be_function_pointer): New function.
5603         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5604         (Scan::global_reloc_may_be_function_pointer): New function.
5605         (Scan::possible_function_pointer_reloc): New function.
5606         (Target_x86_64::can_check_for_function_pointers): New function.
5607         * gc.h (gc_process_relocs): Scan relocation types to determine if
5608         function pointers were taken for targets that support it.
5609         * icf.cc (Icf::find_identical_sections): Include functions for
5610         folding in safe ICF whose pointer is not taken.
5611         * icf.h (Secn_fptr_taken_set): New typedef.
5612         (fptr_section_id_): New member.
5613         (section_has_function_pointers): New function.
5614         (set_section_has_function_pointers): New function.
5615         (check_section_for_function_pointers): New function.
5616         * options.h: Fix comment for safe ICF option.
5617         * target.h (can_check_for_function_pointers): New function.
5618         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5619         Modify icf_safe_test for X86-64.
5620         * testsuite/Makefile.in: Regenerate.
5621         * testsuite/icf_safe_so_test.cc: New file.
5622         * testsuite/icf_safe_so_test.sh: New file.
5623         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5624         (main): Change to take pointer to function kept_func_3.
5625         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5626         folding is done correctly for X86-64.
5627
5628 2010-02-12  David S. Miller  <davem@davemloft.net>
5629
5630         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5631         is_symbolless parameter.
5632         (Output_reloc<SHT_REL>::is_symbolless): New.
5633         (Output_reloc<SHT_REL>::is_symbolless_): New.
5634         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5635         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5636         (Output_reloc<SHT_RELA>::is_symbolless): New.
5637         (Output_data_reloc::add_global): Handle is_symbolless.
5638         (Output_data_reloc::add_global_relative): Likewise.
5639         (Output_data_reloc::add_local): Likewise.
5640         (Output_data_reloc::add_local_relative): Likewise.
5641         (Output_data_reloc::add_symbolless_global_addend): New.
5642         (Output_data_reloc::add_symbolless_local_addend): New.
5643         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5644         is_symbolless.
5645         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5646         instead of ->is_relative_
5647         (Output_reloc::write): Likewise.
5648         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5649         (Output_reloc::write_rel): Simplify.
5650
5651         * sparc.cc (Target_sparc::Scan::local): Use
5652         ->add_symbolless_local_addend as needed.
5653         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5654         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5655         based upon relocation offset.
5656
5657 2010-02-11  Doug Kwan  <dougkwan@google.com>
5658
5659         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5660         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5661         beginning of function.
5662         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5663         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5664         parameter is_32bit in calls to should_apply_static_reloc.
5665         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5666         (check_DATA): Add arm_abs_global.stdout.
5667         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5668         arm_abs_global.stdout): New rules.
5669         (MOSTLLYCLEANFILES): Add arm_abs_global
5670         * Makefile.in: Regenerate.
5671         * testsuite/arm_abs_global.s: New file.
5672         * testsuite/arm_abs_global.sh: Ditto.
5673         * testsuite/arm_abs_lib.s: Ditto.
5674
5675 2010-02-11  Ian Lance Taylor  <iant@google.com>
5676
5677         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5678         Read_relocs task.
5679         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5680         Allocate_commons_task first.
5681         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5682         task, rather than symtab_lock_.
5683         (Gc_process_relocs::~Gc_process_relocs): New function.
5684         (Gc_process_relocs::is_runnable): Check this_blocker_.
5685         (Gc_process_relocs::locks): Use next_blocker_ rather than
5686         blocker_.
5687         (Scan_relocs::~Scan_relocs): New function.
5688         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5689         symtab_lock_.
5690         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5691         next_blocker_.
5692         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5693         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5694         constructor accordingly.
5695         (class Gc_process_relocs): Likewise.
5696         (class Scan_relocs): Likewise.
5697         * common.h (class Allocate_commons_task): Remove symtab_lock_
5698         field, and corresponding constructor parameter.
5699         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5700         symtab_lock_.
5701         (Allocate_commons_task::locks): Likewise.
5702
5703 2010-02-11  Ian Lance Taylor  <iant@google.com>
5704
5705         * gold-threads.h (class Once): Define.
5706         (class Initialize_lock): Rewrite as child of Once.
5707         * gold-threads.cc (class Once_initialize): Define.
5708         (once_pointer_control): New static variable.
5709         (once_pointer, once_arg): New static variables.
5710         (c_run_once): New static function.
5711         (Once::Once, Once::run_once, Once::internal_run): New functions.
5712         (class Initialize_lock_once): Remove.
5713         (initialize_lock_control): Remove.
5714         (initialize_lock_pointer): Remove.
5715         (initialize_lock_once): Remove.
5716         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5717         (Initialize_lock::initialize): Rewrite.
5718         (Initialize_lock::do_run_once): New function.
5719         * archive.cc (Archive::interpret_header): Only clear name if it is
5720         not already empty.
5721         * fileread.cc: Include "gold-threads.h"
5722         (file_counts_lock): New static variable.
5723         (file_counts_initialize_lock): Likewise.
5724         (File_read::release): Only increment counts when using --stats.
5725         Use a lock around the increment.
5726         * parameters.cc (class Set_parameters_target_once): Define.
5727         (set_parameters_target_once): New static variable.
5728         (Parameters::Parameters): Move here from parameters.h.
5729         (Parameters::set_target): Rewrite.
5730         (Parameters::set_target_once): New function.
5731         (Parameters::clear_target): Move here and rewrite.
5732         * parameters.h (class Parameters): Update declarations.  Add
5733         set_parameters_target_once_ field.
5734         (Parameters::Parameters): Move to parameters.cc.
5735         (Parameters::clear_target): Likewise.
5736         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5737         task.
5738         (Start_group::~Start_group): New function.
5739         (Start_group::is_runnable): New function.
5740         (Start_group::locks, Start_group::run): New functions.
5741         (Finish_group::run): Change saw_undefined to size_t.
5742         * readsyms.h (class Start_group): Define.
5743         (class Finish_group): Change saw_undefined_ field to size_t.
5744         (Finish_group::Finish_group): Remove saw_undefined and
5745         this_blocker parameters.  Change all callers.
5746         (Finish_group::set_saw_undefined): New function.
5747         (Finish_group::set_blocker): New function.
5748         * symtab.h (class Symbol_table): Change saw_undefined to return
5749         size_t.  Change saw_undefined_ field to size_t.
5750         * target-select.cc (Set_target_once::do_run_once): New function.
5751         (Target_selector::Target_selector): Initialize set_target_once_
5752         field.  Don't initialize lock_ and initialize_lock_ fields.
5753         (Target_selector::instantiate_target): Rewrite.
5754         (Target_selector::set_target): New function.
5755         * target-select.h (class Set_target_once): Define.
5756         (class Target_selector): Update declarations.  Make
5757         Set_target_once a friend.  Remove lock_ and initialize_lock_
5758         fields.  Add set_target_once_ field.
5759
5760 2010-02-10  Ian Lance Taylor  <iant@google.com>
5761
5762         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5763         queueing any tasks.
5764         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5765         (queue_middle_tasks): Add all blockers before queueing any tasks.
5766         (queue_final_tasks): Likewise.
5767         * token.h (Task_token::add_blockers): New function.
5768         * object.h (Input_objects::number_of_relobjs): New function.
5769
5770 2010-02-10  Ian Lance Taylor  <iant@google.com>
5771
5772         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5773         shared, not if not position independent.
5774         * x86_64.cc (Relocate::relocate_tls): Likewise.
5775         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5776         (tls_pie_pic_test): New target.
5777         * testsuite/Makefile.in: Rebuild.
5778
5779         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5780         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5781         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5782         * testsuite/Makefile.in: Rebuild.
5783
5784 2010-02-09  David S. Miller  <davem@davemloft.net>
5785
5786         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5787         R_SPARC_RELATIVE using ->add_local_relative().
5788         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5789
5790         * output.h (Output_data_dynamic::add_section_size): New method
5791         that takes two Output_data objects.
5792         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5793         entry param.  Handle it in initializers.
5794         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5795         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5796         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5797         arg.
5798         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5799         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5800         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5801         for dynrel_includes_plt.
5802         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5803         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5804         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5805         before .rela.plt
5806         (Target_sparc::do_finalize_sections): Update to pass true for
5807         dynrel_includes_plt.
5808         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5809         output before .rela.plt
5810         (Target_powerpc::do_finalize_sections): Update to pass true for
5811         dynrel_includes_plt when 32-bit.
5812
5813 2010-02-08  Doug Kwan  <dougkwan@google.com>
5814
5815         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5816         method.
5817         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5818         Arm_relobj::scan_section_for_cortex_a8_stubs,
5819         Arm_relobj::do_relocation_section): Instead of calling
5820         Output_section::output_address, use faster
5821         Arm_relobj::simple_input_section_output_address.
5822
5823 2010-02-08  David S. Miller  <davem@davemloft.net>
5824
5825         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5826         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5827         relocation helper function.
5828
5829         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5830         just like R_SPARC_GOT{10,13,22}.
5831         (Target_sparc::Scan::local): Likewise.
5832         (Target_sparc::Relocate:relocate): Likewise.
5833
5834 2010-02-06  Ian Lance Taylor  <iant@google.com>
5835
5836         * configure.ac: Rewrite targetobjs duplicate removal code to use
5837         only shell constructs.
5838         * configure: Rebuild.
5839
5840 2010-02-05  Doug Kwan  <dougkwan@google.com>
5841
5842         PR 11247
5843         * arm.cc (Arm_relobj::section_is_scannable): New method.
5844         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5845         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5846
5847 2010-02-04  Doug Kwan  <dougkwan@google.com>
5848
5849         PR 11247
5850         * arm-reloc-property.cc (cstdio): Include.
5851         * configure.ac (targetobjs): Remove duplicates.
5852         * configure: Regenerate.
5853         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5854         big and little endian version for a given address size.
5855
5856 2010-02-03  Doug Kwan  <dougkwan@google.com>
5857
5858         * arm-reloc-property.cc
5859         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5860         definition.
5861         * arm-reloc-property.h
5862         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5863         New method definition.
5864         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5865         declaration.
5866         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5867         overflow to N.
5868         (GOT_PREL): Change implemented to Y.
5869         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5870         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5871         (Arm_relocate_functions::movw_abs_nc): Remove method.
5872         (Arm_relocate_functions::movt_abs): Ditto.
5873         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5874         (Arm_relocate_functions::thm_movt_abs): Ditto.
5875         (Arm_relocate_functions::movw_rel_nc): Ditto.
5876         (Arm_relocate_functions::movw_rel): Ditto.
5877         (Arm_relocate_functions::movt_rel): Ditto.
5878         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5879         (Arm_relocate_functions:thm_movw_rel): Ditto.
5880         (Arm_relocate_functions:thm_movt_rel): Ditto.
5881         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5882         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5883         New method definitions.
5884         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5885         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5886         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5887         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5888         (Target_arm::Relocate::relocate): Check for non-static or
5889         unimplemented relocation code and exit early.  Change calls to
5890         Target_arm::reloc_uses_thumb_bit and
5891         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5892         instead.  Refactor code to handle similar relocations to increase
5893         code sharing.  Remove check for unsupported relocation code in switch
5894         statement.
5895         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5896         relocation property table to find out size.  Change error message to
5897         print out the name of a relocation code instead of the numeric value.
5898         (Target_arm::scan_reloc_for_stub): Use relocation property table
5899         instead of calling Target_arm::reloc_uses_thumb_bit().
5900
5901 2010-02-02  Doug Kwan  <dougkwan@google.com>
5902
5903         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5904         types of relaxed input section.
5905
5906 2010-02-02  Doug Kwan  <dougkwan@google.com>
5907
5908         * Makefile.am (HFILES): Add arm-reloc-property.h.
5909         (DEFFILES): New.
5910         (TARGETSOURCES): Add arm-reloc-property.cc
5911         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5912         (libgold_a_SOURCES): $(DEFFILES)
5913         * Makefile.in: Regenerate.
5914         * arm-reloc-property.cc: New file.
5915         * arm-reloc-property.h: New file.
5916         * arm-reloc.def: New file.
5917         * arm.cc: Update comments.
5918         (arm-reloc-property.h): New included header.
5919         (arm_reloc_property_table): New global variable.
5920         (Target_arm::do_select_as_default_target): New method definition.
5921         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5922         arm-reloc-property to targ_extra_obj.
5923         * parameters.cc (set_parameters_target): Call
5924         Target::select_as_default_target().
5925         * target.h (Target::select_as_default_target): New method definition.
5926         (Target::do_select_as_default_target): Same.
5927
5928 2010-02-01  Doug Kwan  <dougkwan@google.com>
5929
5930         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5931         first_output_text_section_.
5932         (Arm_exidx_fixup::first_output_text_section): New method definition.
5933         (Arm_exidx_fixup::first_output_text_section_): New data member.
5934         (Arm_exidx_fixup::process_exidx_section): Record the first text
5935         output section seen.
5936         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5937         and entsize in output section header.
5938
5939 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5940
5941         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5942         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5943         (Arm_relocate_functions::thm_alu11): New Method.
5944         (Arm_relocate_functions::thm_pc8): New Method.
5945         (Arm_relocate_functions::thm_pc12): New Method.
5946         (Target_arm::Scan::local): Handle the relocations.
5947         (Target_arm::Scan::global): Likewise.
5948         (Target_arm::Relocate::relocate): Likewise.
5949         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5950
5951 2010-01-29  Doug Kwan  <dougkwan@google.com>
5952
5953         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5954         of relocation types as ld.
5955
5956 2010-01-29  Doug Kwan  <dougkwan@google.com>
5957
5958         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5959         to public.
5960         (Arm_relocate_functions::thumb_branch_common): Ditto.
5961         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5962         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5963         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5964         Arm_relocate_functions::jump24): Remove.
5965         (Target_arm::Relocate::relocate): Adjust code to call
5966         Arm_relocation_functions::arm_branch_common and
5967         Arm_relocation_functions::thumb_branch_common instead of their removed
5968         wrappers.  Merge switch-cases together to reduce source code size.
5969
5970 2010-01-29  Doug Kwan  <dougkwan@google.com>
5971
5972         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5973         output_local_symbol_count_needs_update_.
5974         (Arm_relobj::output_local_symbol_count_needs_update,
5975          Arm_relobj::set_output_local_symbol_count_needs_update,
5976          Arm_relobj::update_output_local_symbol_count): New methods.
5977         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5978         member.
5979         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5980         of pointed function as in a R_ARM_PREL31 relocation.
5981         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5982         for output local symbol count updating.
5983         (Target_arm::do_relax): Update output local symbol counts in objects
5984         if necessary.
5985         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5986
5987 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5988
5989         * arm.cc: Added support for the ARM relocations:
5990         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5991         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5992         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5993         movw_prel_nc).
5994         (Arm_relocate_functions::movw_rel): New method.
5995         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5996         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5997         thm_movw_prel_nc).
5998         (Arm_relocate_functions::thm_movw_rel): New method.
5999         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6000         thm_movt_prel).
6001         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6002         relocations.
6003         (Target_arm::Scan::global): Likewise.
6004         (Target_arm::Relocate::relocate): Likewise.
6005         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6006         Likewise.
6007
6008 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6009
6010         * arm.cc: Added support for ARM group relocations.
6011         (Target_arm::reloc_needs_sym_origin): New method.
6012         (Arm_relocate_functions::calc_grp_kn): New method.
6013         (Arm_relocate_functions::calc_grp_residual): New method.
6014         (Arm_relocate_functions::calc_grp_gn): New method.
6015         (Arm_relocate_functions::arm_grp_alu): New Method.
6016         (Arm_relocate_functions::arm_grp_ldr): New Method.
6017         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6018         (Arm_relocate_functions::arm_grp_ldc): New Method.
6019         (Target_arm::Scan::local): Handle the ARM group relocations.
6020         (Target_arm::Scan::global): Likewise.
6021         (Target_arm::Relocate::relocate): Likewise.
6022         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6023         Likewise.
6024
6025 2010-01-26  Doug Kwan  <dougkwan@google.com>
6026
6027         * arm.cc (set): Include.
6028         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6029         pointer type.
6030         (Arm_output_section::Text_section_list): New type.
6031         (Arm_output_section::append_text_sections_to_list): New method.
6032         (Arm_output_section::fix_exidx_coverage): Ditto.
6033         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6034         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6035         Relobj::set_section_offset() instead of
6036         Sized_relobj::invalidate_section_offset().
6037         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6038         parameter for section headers. Ignore relocation sections for
6039         unallocated sections and EXIDX sections.
6040         (Target_arm::fix_exidx_coverage): New method.
6041         (Target_arm::output_section_address_less_than): New type.
6042         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6043         linked text section instead of the EXIDX section.
6044         (Arm_output_section::create_stub_group): Add an assertion to check
6045         that this is not an EXIDX output section.
6046         (Arm_output_section::append_text_sections_to_list): New method.
6047         (Arm_output_section::fix_exidx_coverage): Ditto.
6048         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6049         Arm_relobj::section_needs_reloc_stub_scanning.
6050         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6051         first pass.
6052         (Target_arm::fix_exidx_coverage): New method.
6053         * object.h (Relobj::set_output_section): New method.
6054         (Sized_relobj::invalidate_section_offset): Remove method.
6055         (Sized_relobj::do_invalidate_section_offset): Remove method.
6056         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6057
6058 2010-01-25  Doug Kwan  <dougkwan@google.com>
6059
6060         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6061         Fix warning due to signed and unsigned comparison on a 32-bit host.
6062
6063 2010-01-22  Doug Kwan  <dougkwan@google.com>
6064
6065         * arm.cc (Target_arm::do_relax): Record an output section for section
6066         offset adjustment it contains any stub table that has changed.
6067         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6068         offsets in an output section if necessary.
6069         * output.cc (Output_section::Output_section): Initialize
6070         section_offsets_need_adjustments_.
6071         (Output_section::add_input_section_for_script): Renamed to
6072         Output_section::add_simple_input_section.
6073         (Output_section::save_states): Add a comment.
6074         (Output_section::discard_states): New method defintion.
6075         (Output_section::adjust_section_offsets): Same.
6076         * output.h (Output_section::add_input_section_for_script): Renamed to
6077         Output_section::add_simple_input_section.
6078         (Output_section::discard_states): New method declaration.
6079         (Output_section::adjust_section_offsets): Same.
6080         (Output_section::section_offsets_need_adjustment,
6081         Output_section::set_section_offsets_need_adjustment): New method
6082         definitions.
6083         (Output_section::section_offsets_need_adjustment_): New data member.
6084         * script-sections.cc
6085         (Output_section_element_input::set_section_address): Adjust code for
6086         renaming of Output_section::add_input_section_for_script.
6087         (Orphan_output_section::set_section_address): Same.
6088
6089 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6090
6091         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6092         Fix_v4bx enum values .
6093         * gold/options.h (General_options): New option definitions.
6094         (General_options::fix_v4bx): New method.
6095         (General_options::Fix_v4bx): New enum.
6096         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6097         (General_options::parse_fix_v4bx_interworking): New method.
6098
6099 2010-01-22  Doug Kwan  <dougkwan@google.com>
6100
6101         * arm.cc (Arm_exidx_fixup): New class.
6102
6103 2010-01-21  Doug Kwan  <dougkwan@google.com>
6104
6105         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6106         classes.
6107         (Arm_exidx_section_offset_map): New type.
6108
6109 2010-01-21  Doug Kwan  <dougkwan@google.com>
6110
6111         * arm.cc (Arm_exidx_input_section): New class.
6112         (Arm_relobj::exidx_input_section_by_link,
6113         Arm_relobj::exidx_input_section_by_shndx,
6114         Arm_relobj::make_exidx_input_section): New methods.
6115         (read_arm_attributes_section): Remove.
6116         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6117         information about them.
6118         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6119         to here.
6120
6121 2010-01-20  Doug Kwan  <dougkwan@google.com>
6122
6123         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6124         Input_section_specifier to Section_id.
6125         (Target_arm::new_arm_input_section: Adjust code for change of key
6126         type.
6127         (Target_arm::find_arm_input_section): Ditto.
6128         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6129         (Section_id): Remove.
6130         (Garbage_collection::Section_id_hash): Remove.
6131         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6132         (Section_id): Remove.
6133         (Icf::Section_id_hash): Remove.
6134         * object.h (Section_id, Const_section_id, Section_id_hash,
6135         Const_section_id_hash): New type definitions.
6136         * output.cc (Output_section::add_relaxed_input_section): Change to
6137         use Const_section_id instead of Input_section_specifier as key type.
6138         (Output_section::add_merge_input_section): Ditto.
6139         (Output_section::build_relaxation_map): Change to use Section_id
6140         instead of Input_section_specifier as key type.
6141         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6142         Ditto.
6143         (Output_section::convert_input_sections_to_relaxed_sections): Change
6144         to use Const_section_id instead of Input_section_specifier as key type.
6145         (Output_section::find_merge_section): Ditto.
6146         (Output_section::find_relaxed_input_section): Ditto.
6147         * output.h (Input_section_specifier): Remove class.
6148         (Output_section::Output_section_data_by_input_section_map): Change
6149         key type to Const_section_id.
6150         (Output_section::Output_relaxed_input_section_by_input_section_map):
6151         Ditto.
6152         (Output_section::Relaxation_map): Change key type to Section_id.
6153
6154 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6155
6156         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6157         (class Arm_v4bx_stub): New class.
6158         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6159         (Stub_factory::make_arm_v4bx_stub): New method.
6160         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6161         (Stub_table::empty): Handle v4bx stubs.
6162         (Stub_table::add_arm_v4bx_stub): New method.
6163         (Stub_table::find_arm_v4bx_stub): New method.
6164         (Arm_relocate_functions::v4bx): New method.
6165         (Target_arm::fix_v4bx): New method.
6166         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6167         (Stub_table::relocate_stubs): Likewise.
6168         (Stub_table::do_write): Likewise.
6169         (Stub_table::update_data_size_and_addralign): Likewise.
6170         (Stub_table::finalize_stubs):  Likewise.
6171         (Target_arm::Scan::local): Likewise.
6172         (Target_arm::Scan::global): Likewise.
6173         (Target_arm::do_finalize_sections): Likewise.
6174         (Target_arm::Relocate::relocate): Likewise.
6175         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6176         Likewise.
6177         (Target_arm::scan_reloc_for_stub): Likewise.
6178         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6179
6180 2010-01-19  Ian Lance Taylor  <iant@google.com>
6181
6182         * output.cc (Output_section_headers::do_sized_write): Write large
6183         segment count to sh_info field.
6184         (Output_file_header::do_sized_write): For large segment count,
6185         write PN_XNUM to e_phnum field.
6186
6187 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6188
6189         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6190         (Arm_relocate_functions::thm_jump8): New function.
6191         (Arm_relocate_functions::thm_jump11): New function.
6192         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6193         R_ARM_THM_JUMP11.
6194         (Target_arm::Scan::global): Likewise.
6195         (Target_arm::Relocate::relocate): Likewise.
6196         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6197         Likewise.
6198
6199 2010-01-14  Doug Kwan  <dougkwan@google.com>
6200
6201         * arm.cc (map, utility): Include headers.
6202         (Target_arm::apply_cortex_a8_workaround): New method.
6203         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6204         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6205         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6206         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6207         the --[no-]fix-cortex-a8 command line options.
6208         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6209         (Target_arm::relocate_stub): Use addend in instruction template.
6210         * options.h (DEFINE_bool): Set the user-set flag.
6211         (General_options): Add --[no-]-fix-cortex options.
6212         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6213         : Update fast look-up map after conversion.
6214
6215 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6216
6217         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6218         in the first pass of do_layout.
6219
6220 2010-01-13  Doug Kwan  <dougkwan@google.com>
6221
6222         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6223         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6224         apparent compiler problem of not folding static constant integral
6225         data members of elfcpp::Elf_sizes<32>.
6226
6227 2010-01-13  Doug Kwan  <dougkwan@google.com>
6228
6229         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6230         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6231         Arm_relobj::scan_section_for_cortex_a8_erratum,
6232         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6233         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6234         sections to scan for relocation stubs into a new method
6235         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6236         relocation and Cortex-A8 stub scanning.
6237         (Target_arm::do_relax): Force stubs to be after stubbed sections
6238         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6239         the beginning of a new relaxation pass.  Update a comment.
6240         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6241
6242 2010-01-12  Ian Lance Taylor  <iant@google.com>
6243
6244         * target-reloc.h (visibility_error): New inline function.
6245         (relocate_section): Call visibility_error.
6246         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6247         (MOSTLYCLEANFILES): Likewise.
6248         (protected_4_pic.o, protected_3.err): New targets.
6249         * testsuite/protected_4.cc: New file.
6250
6251 2010-01-12  Doug Kwan  <dougkwan@google.com>
6252
6253         * arm.cc (Cortex_a8_reloc): New class.
6254         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6255         and cortex_a8_relocs_info_.
6256         (Target_arm::fix_cortex_a8): New method definition.
6257         (Target_arm::Cortex_a8_relocs_info): New type.
6258         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6259         New data member declarations.
6260         (Target_arm::scan_reloc_for_stub): Record information about
6261         relocations for THUMB branches that might be exempted from the
6262         Cortex-A8 workaround.
6263         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6264         at the beginning of a relaxation pass.
6265
6266 2010-01-12  Doug Kwan  <dougkwan@google.com>
6267
6268         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6269         (Arm_relobj::Mapping_symbol_position,
6270          Arm_reloj::Mapping_symbol_position_less,
6271          Arm_relobj::Mapping_symbols_info): New types.
6272         (Target_arm::is_mapping_symbol_name): New method definition.
6273         (Arm_relobj::do_count_local_symbols): Save information about mapping
6274         symbols.
6275
6276 2010-01-11  Doug Kwan  <dougkwan@google.com>
6277
6278         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6279         Arm_relocate_functions::thumb32_branch_upper,
6280         Arm_relocate_functions::thumb32_branch_lower,
6281         Arm_relocate_functions::thumb32_cond_branch_offset,
6282         Arm_relocate_functions::thumb32_cond_branch_upper,
6283         Arm_relocate_functions::thumb32_cond_branch_lower,
6284         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6285         branch offset encoding.
6286         (Arm_relocate_functions::thumb_branch_common): Use new branch
6287         offset encoding methods to avoid code duplication.
6288         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6289         (Stub_addend_reader::operator()): Use new branch encoding method
6290         to avoid code duplication.
6291
6292 2010-01-11  Doug Kwan  <dougkwan@google.com>
6293
6294         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6295         (Target_arm::do_finalize_sections): Define special EXIDX section
6296         symbols only if referenced.
6297         * gc.h (Garbage_collection::add_reference): New method.
6298         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6299         code duplication.
6300
6301 2010-01-11  Ian Lance Taylor  <iant@google.com>
6302
6303         * script.cc (Version_script_info::build_expression_list_lookup):
6304         Change complaing about duplicate wildcard match from error to
6305         warning.
6306
6307         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6308         of 2009-12-30.
6309         (Version_script_info::Version_script_info): Initialize globs_,
6310         default_version_, default_is_global_, and exact_.  Don't
6311         initialize globals_ or locals_.
6312         (Version_script_info::build_lookup_tables): Build local symbols
6313         first.
6314         (Version_script_info::unquote): New function.
6315         (Version_script_info::add_exact_match): New function.
6316         (Version_script_info::build_expression_list_lookup): Remove lookup
6317         parameter.  Add is_global parameter.  Change all callers.  Handle
6318         wildcard pattern specially.  Unquote pattern.  Call
6319         add_exact_match.
6320         (Version_script_info::get_name_to_match): New function.
6321         (Version_script_info::get_symbol_version): New function.
6322         (Version_script_info::get_symbol_version_helper): Remove.
6323         (Version_script_info::check_unmatched_names): Call unquote.
6324         * script.h (class Version_script_info): Change get_symbol_version
6325         to be non-inline and add is_global parameter; change all callers.
6326         Rewrite symbol_is_local.  Update declarations.  Define struct
6327         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6328         Remove globals_ and locals_ members.  Add exact_, globs_,
6329         default_version_, is_global_.
6330         (Version_script_info::Glob): Remove pattern, add expression and
6331         is_global.  Update constructor.  Change all callers.
6332         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6333         default version.
6334         (Versions::symbol_section_contents): If a symbol is undefined, or
6335         defined in a dynamic object, set the version index to
6336         VER_NDX_LOCAL.
6337         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6338         symbol_is_local.
6339         (Symbol_table::add_from_pluginobj): Likewise.
6340         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6341
6342 2010-01-11  Doug Kwan  <dougkwan@google.com>
6343
6344         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6345         (incremental_dump_LDADD): Add linking option for libintl.
6346         * Makefile.in: Regenerate.
6347
6348 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6349
6350         PR gold/11144
6351         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6352         instead of -Ds.
6353         * testsuite/Makefile.in: Regenerated.
6354
6355 2010-01-10  Doug Kwan  <dougkwan@google.com>
6356
6357         * options.h (DEFINE_var): Use parentheses around argument varname__
6358         in macro body to avoid any unintended subsequent substitutions.
6359
6360 2010-01-10  Ian Lance Taylor  <iant@google.com>
6361
6362         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6363         candidates before doing symbol resolution.
6364
6365         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6366         ODR candidates if only one is weak.
6367
6368 2010-01-08  Ian Lance Taylor  <iant@google.com>
6369
6370         * script.cc (Version_script_info::build_expression_list_lookup):
6371         Don't warn about ambiguous version, just record the ambiguity.
6372         (Version_script_info::get_symbol_version_helper): Give error if
6373         version is ambiguous.
6374
6375 2010-01-08  Doug Kwan  <dougkwan@google.com>
6376
6377         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6378           prev_data_size_ and prev_addralign_.  Remove initializer for
6379           deleted data member has_been_changed_.
6380           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6381           to determine if the table is empty.
6382           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6383           Remove.
6384           (Stub_table::add_reloc_stub): Define method in class definition
6385           instead of just declaring it there.
6386           (Stub_table::add_cortex_a8_stub): New method definition.
6387           (Stub_table::update_data_size_and_addralign): Ditto.
6388           (Stub_table::finalize_stubs): Ditto.
6389           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6390           (Stub_table::do_addralign_): Return address alignment in the
6391           (Stub_table::do_reset_address_and_file_offset): Define method in
6392           class definition instead of declaring it there.  Set current data
6393           size to be the data size of the previous pass.
6394           (Stub_table::set_final_data_size): Use current data size as the
6395           final data size.
6396           (Stub_table::relocate_stub): Change parameter type of stub from
6397           Reloc_stub pointer to Stub pointer.
6398           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6399           (Stub_table::Cortex_a8_stub_list): New typedef.
6400           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6401            Stub_table::prev_addralign_): New data member.
6402           (Arm_relobj::Arm_relobj): Initialize data member
6403           section_has_cortex_a8_workaround_.
6404           (Arm_relobj::section_has_cortex_a8_workaround,
6405            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6406            definitions.
6407           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6408           declarations.
6409           (Target_arm::relocate_stub): Change parameter type of stub from
6410           Reloc_stub pointer to Stub pointer.
6411           (Insn_template::size, Insn_template::alignment): Handle
6412           THUMB16_SPECIAL_TYPE.
6413           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6414            Stub_table::update_data_size_and_addralign,
6415            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6416           definitions.
6417           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6418           (Stub_table::do_write): Ditto.
6419           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6420
6421 2010-01-08  Ian Lance Taylor  <iant@google.com>
6422
6423         PR 11108
6424         * symtab.h (class Symbol): Remove fields is_target_special_ and
6425         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6426         (Symbol::is_defined_in_discarded_section): New function.
6427         (Symbol::set_is_defined_in_discarded_section): New function.
6428         (Symbol::has_plt_offset): Rewrite.
6429         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6430         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6431         Don't initialize is_target_special_ or has_plt_offset_.
6432         Initialize is_defined_in_discarded_section_.
6433         (Symbol_table::add_from_relobj): If appropriate, set
6434         is_defined_in_discarded_section.
6435         * resolve.cc (Symbol::override_base_with_special): Don't test
6436         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6437         * target-reloc.h (relocate_section): Do special handling for
6438         symbols defined in discarded sections for global symbols as well
6439         as local symbols.
6440
6441 2010-01-08  Ian Lance Taylor  <iant@google.com>
6442
6443         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6444         the SHT_SYMTAB case.
6445
6446 2010-01-08  Ian Lance Taylor  <iant@google.com>
6447
6448         * object.cc (Sized_relobj::do_layout): Don't get confused if
6449         layout_eh_frame returns NULL.
6450
6451 2010-01-08  Ian Lance Taylor  <iant@google.com>
6452
6453         PR 11084
6454         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6455         dynamic symbol table, use the normal symbol table.
6456         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6457         symbol table.
6458
6459 2010-01-08  Ian Lance Taylor  <iant@google.com>
6460
6461         PR 11072
6462         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6463         sections.
6464
6465 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6466
6467         * version.cc (print_version): Change to "Copyright 2010".
6468
6469 2010-01-08  Ian Lance Taylor  <iant@google.com>
6470
6471         PR 10287
6472         PR 11063
6473         * i386.cc (class Target_i386): Change return type of plt_section
6474         to be non-const.
6475         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6476         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6477         tls_desc_rel_ field.
6478         (Output_data_plt_i386::rel_tls_desc): New function.
6479         (Target_i386::rel_tls_desc_section): New function.
6480         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6481         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6482         R_386_TLS_DESC reloc in rel_tls_desc_section.
6483         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6484         Define struct Tlsdesc_info.
6485         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6486         (Target_x86_64::do_reloc_symbol_index): New function.
6487         (Target_x86_64::add_tlsdesc_info): New function.
6488         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6489         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6490         tlsdesc_rel_ field.
6491         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6492         all callers.
6493         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6494         (Target_x86_64::rela_tlsdesc_section): New function.
6495         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6496         handling.
6497         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6498         (Target_x86_64::do_reloc_addend): New function.
6499         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6500         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6501         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6502         (Output_reloc::type): New function.
6503         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6504         (Output_reloc::is_target_specific): New function.
6505         (Output_reloc::target_arg): New function.
6506         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6507         absolute relocs and target specific relocs.
6508         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6509         add_target_specific.
6510         (class Output_data_reloc) [SHT_RELA]: Likewise.
6511         * output.cc (Output_reloc::Output_reloc): Add four new versions
6512         for absolute relocs and target specific relocs.
6513         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6514         (Output_reloc::get_symbol_index): Likewise.
6515         (Output_reloc::local_section_offset): Check that local_sym_index_
6516         is not TARGET_CODE or 0.
6517         (Output_reloc::symbol_value): Likewise.
6518         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6519         reloc.
6520         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6521         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6522         functions.
6523         * layout.cc (add_target_dynamic_tags): Use output section for
6524         DT_PLTRELSZ and DT_JMPREL.
6525
6526 2010-01-07  Ian Lance Taylor  <iant@google.com>
6527
6528         PR 11061
6529         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6530         function.
6531         (class Output_data_reloc_generic): Define.
6532         (class Output_data_reloc_base): Change base class to
6533         Output_data_reloc_generic.  Change add() method to call
6534         bump_relative_reloc_count for a relative reloc.  Remove
6535         sort_relocs_ field.
6536         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6537         to sort_relocs().
6538         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6539         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6540         appropriate.
6541         * layout.h (class Layout): Update declaration.
6542
6543 2010-01-07  Ian Lance Taylor  <iant@google.com>
6544
6545         * output.h (class Output_data): Add const version of
6546         output_section and do_output_section.
6547         (class Output_section_data): Add const version of
6548         do_output_section.
6549         (class Output_section): Likewise.
6550         * layout.cc (Layout::add_target_dynamic_tags): New function.
6551         * layout.h (class Layout): Update declarations.
6552         * arm.cc (Target_arm::do_finalize_sections): Use
6553         add_target_dynamic_tags.
6554         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6555         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6556         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6557         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6558
6559 2010-01-07  Ian Lance Taylor  <iant@google.com>
6560
6561         PR 11042
6562         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6563         object as needed.
6564
6565 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6566             Ian Lance Taylor  <iant@google.com>
6567
6568         PR 11019
6569         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6570         Xindex::read_symtab_xindex.
6571
6572 2010-01-07  Doug Kwan  <dougkwan@google.com>
6573
6574         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6575         (Insn_template::thumb16_bcond_insn): New method declaration.
6576         (Insn_template): Fix spelling.
6577         (Stub::thumb16_special): New method declaration.
6578         (Stub::do_write): Define virtual method which was previously pure
6579         virtual.
6580         (Stub::do_thumb16_special): New method declaration.
6581         (Stub::do_fixed_endian_write): New template member.
6582         (Reloc_stub::do_write): Remove.
6583         (Reloc_stub::do_fixed_endian_write): Remove.
6584         (Cortex_a8_stub): New class definition.
6585         (Stub_factory::make_cortex_a8_stub): New method definition.
6586         (Stub_factory::Stub_factory): Add missing static storage class
6587         qualifier for elf32_arm_stub_a8_veneer_blx.
6588
6589 2010-01-07  Ian Lance Taylor  <iant@google.com>
6590
6591         PR 10980
6592         * options.h (class General_options): Add --warn-unresolved-symbols
6593         and --error-unresolved-symbols.
6594         * errors.cc (Errors::undefined_symbol): Implement
6595         --warn-unresolved-symbols.
6596
6597         * options.h (class General_options): Add -z text and -z textoff.
6598         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6599
6600 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6601
6602         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6603         (Garbage_collection::cident_sections): New function.
6604         (Garbage_collection::add_cident_section): New function.
6605         (Garbage_collection::cident_sections_): New member.
6606         (gc_process_relocs): Add references to sections whose names are C
6607         identifiers.
6608         * gold.h (cident_section_start_prefix): New constant.
6609         (cident_section_stop_prefix): New constant.
6610         (is_cident): New function.
6611         * layout.cc (Layout::define_section_symbols): Replace string constants
6612         with the newly defined constants.
6613         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6614         C identifiers.
6615         * testsuite/Makefile.am: Add gc_orphan_section_test.
6616         * testsuite/Makefile.in: Regenerate.
6617         * testsuite/gc_orphan_section_test.cc: New file.
6618         * testsuite/gc_orphan_section_test.sh: New file.
6619
6620 2010-01-06  Ian Lance Taylor  <iant@google.com>
6621
6622         PR 10980
6623         * options.h (class General_options): Add --warn-shared-textrel.
6624         * layout.cc (Layout::finish_dynamic_section): Implement
6625         --warn-shared-textrel.
6626
6627         PR 10980
6628         * options.h (class General_options): Add --warn-multiple-gp.
6629
6630 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6631
6632         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6633         $(THREADSLIB) and $(LIBDL).
6634         * Makefile.in: Rebuild.
6635
6636 2010-01-06  Ian Lance Taylor  <iant@google.com>
6637
6638         PR 10980
6639         * options.cc (General_options::parse_section_start): New function.
6640         (General_options::section_start): New function.
6641         (General_options::General_options): Initialize all members.
6642         * options.h: Include <map>
6643         (class General_options): Add --section-start.  Add section_starts_
6644         member.
6645         * layout.cc (Layout::attach_allocated_section_to_segment): If
6646         --section-start was used, set the address of the segment.  Remove
6647         local sort_sections.
6648         (Layout::relaxation_loop_body): If the address of the load segment
6649         has been set by --section-start, don't use it.
6650         * output.h (Output_segment::update_flags_for_output_section): New
6651         function.
6652         * output.cc (Output_segment::add_output_section): Call
6653         update_flags_for_output_section.
6654
6655 2010-01-05  Ian Lance Taylor  <iant@google.com>
6656
6657         PR 10980
6658         * options.h (class General_options): Add --undefined-version.
6659         * script.cc (struct Version_expression): Add was_matched_by_symbol
6660         field.
6661         (Version_script_info::matched_symbol): New function.
6662         (Version_script_info::get_symbol_version_helper): Call
6663         matched_symbol.
6664         (Version_script_info::check_unmatched_names): New function.
6665         * script.h (class Version_script_info): Update declarations.
6666         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6667
6668         * options.h (class General_options): Use DEFINE_bool_alias for
6669         allow_multiple_definition.
6670         * resolve.cc (Symbol_table::should_override): Don't test
6671         allow_multiple_definition.
6672
6673         PR 10980
6674         * options.h (class General_options): Add --cref.
6675         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6676         until after printing cref table.
6677         * cref.cc: Include "symtab.h".
6678         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6679         (Cref_table_compare::operator()): New function.
6680         (Cref_inputs::gather_cref): New function.
6681         (filecol): New static const.
6682         (Cref_inputs::print_cref): New function.
6683         (Cref::print_cref): New function.
6684         * cref.h: Include <cstdio>.
6685         (class Cref): Update declarations.
6686         * mapfile.h (Mapfile::file): New function.
6687         * object.h (class Object): Define Symbols.  Declare virtual
6688         do_get_global_symbols.
6689         (Object::get_global_symbols): New function.
6690         * object.cc (Input_objects::add_object): Pass object to cref_ if
6691         --cref.
6692         (Input_objects::archive_start): Likewise.
6693         (Input_objects::archive_stop): Likewise.
6694         (Input_objects::print_cref): New function.
6695         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6696         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6697         --cref.
6698         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6699         function.
6700         * plugin.h (class Sized_pluginobj): Update declarations.
6701
6702 2010-01-05  Ian Lance Taylor  <iant@google.com>
6703
6704         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6705         to is_default_version.  Rename insdef to insdefault.
6706         (Symbol_table::add_from_relobj): Rename def to is_default_version
6707         and local to is_forced_local.
6708         (Symbol_table::add_from_pluginobj): Likewise.
6709         (Symbol_table::add_from_dynobj): Likewise.
6710         (Symbol_table::define_special_symbol): Rename insdef to
6711         insdefault.
6712
6713 2010-01-04  Ian Lance Taylor  <iant@google.com>
6714
6715         PR 10980
6716         * options.h (class General_options): Add
6717         --allow-multiple-definition and -z muldefs.
6718         * resolve.cc (Symbol_table::should_override): Don't warn about a
6719         multiple symbol definition if --allow-multiple-definition or -z
6720         muldefs.
6721
6722         PR 10980
6723         * options.h (class General_options): Add --add-needed and
6724         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6725         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6726         error if --copy-dt-needed-entries aka --add-needed is used and
6727         would cause a change in behaviour.
6728
6729         PR 10980
6730         * options.h (class General_options): Add -G as a short version of
6731         --shared.  Add no-op options -assert, -g, and -i.
6732
6733 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6734
6735         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6736         check for .text or .gnu.linkonce.t sections.
6737         * icf.cc (Icf::find_identical_sections): Ditto.
6738         Change the detection for mangled function name within the section
6739         name.
6740         * icf.h (is_section_foldable_candidate): New function.
6741
6742 2009-12-30  Ian Lance Taylor  <iant@google.com>
6743
6744         PR 10980
6745         * options.h (class General_options): Permit two dashes with
6746         --retain-symbols-file.
6747
6748 2009-12-30  Ian Lance Taylor  <iant@google.com>
6749
6750         PR 10979
6751         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6752         don't put the file header and segment headers in the text
6753         segment.
6754
6755         PR 10979
6756         * common.cc (Sort_commons::operator()): Stabilize sort when both
6757         entries are NULL.
6758         (Symbol_table::do_allocate_commons_list): When allocating common
6759         symbols, skip a symbol which is no longer common.
6760         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6761         an object before checking its type.
6762         * testsuite/common_test_2.c: New file.
6763         * testsuite/common_test_3.c: New file.
6764         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6765         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6766         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6767         (common_test_2_pic.o, common_test_2.so): New targets.
6768         (common_test_3_pic.o, common_test_3.so): New targets.
6769         * testsuite/Makefile.in: Rebuild.
6770
6771         PR 10979
6772         * script.cc (read_input_script): If we see a new SECTIONS clause,
6773         and we have added an input section, give an error.
6774         * layout.h (class Layout): Add have_added_input_section function.
6775         Add have_added_input_section_ field.
6776         * layout.cc (Layout::Layout): Initialize
6777         have_added_input_section_.
6778         (Layout::layout): Set have_added_input_section_.
6779         (Layout::layout_eh_frame): Likewise.
6780
6781 2009-12-30  Ian Lance Taylor  <iant@google.com>
6782
6783         PR 10931
6784         * options.h (class General_options): Add --sort-common option.
6785         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6786         * common.cc (Sort_common): Add sort_order parameter to
6787         constructor.  Add sort_order_ field.
6788         (Sort_commons::operator): Check sort_order_.
6789         (Symbol_table::allocate_commons): Determine the sort order.
6790         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6791         Change all callers.
6792         (Symbol_table::do_allocate_commons_list): Likewise.
6793
6794 2009-12-30  Ian Lance Taylor  <iant@google.com>
6795
6796         PR 10916
6797         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6798         symbols from this object, don't change the visibility of an
6799         undefined symbol.
6800         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6801
6802 2009-12-30  Ian Lance Taylor  <iant@google.com>
6803
6804         PR 10861
6805         * script.h (class Version_script_info): Define Language enum.
6806         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6807         new fields globals_, locals_, and is_finalized_.
6808         * script.cc: Various formatting fixes.
6809         (class Parser_closure): Change language_stack_ from a vector of
6810         std::string to one of Version_script_info::Language.  Adjust all
6811         uses accordingly.
6812         (class Lazy_demangler): Remove.
6813         (struct Version_expression): Change language from std::string to
6814         Version_script_info::Language.
6815         (Version_script_info::Version_script_info): New function.
6816         (Version_script_info::~Version_script_info): Don't call clear.
6817         (Version_script_info::finalize): New function.
6818         (Version_script_info::build_lookup_tables): New function.
6819         (Version_script_info::build_expression_list_lookup): New
6820         function.
6821         (Version_script_info::get_symbol_version_helper): Rewrite to use
6822         lookup tables.
6823         (Version_script_info::print_expression_list): Adjust to use
6824         Version_script_info::Language.
6825         (script_push_lex_into_version_mode): Check that the version script
6826         has not been finalized.
6827         (version_script_push_lang): Change language string to
6828         Version_script_info::Language.
6829         * options.cc (Command_line::version_script): New function.
6830         * options.h (class General_options): Add finalize_dynamic_list
6831         function.  Change version_script from declaration to definition.
6832         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6833         * testsuite/version_script.map: Remove duplicate def of foo.
6834         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6835         version_script.map.
6836         * testsuite/Makefile.in: Rebuild.
6837
6838 2009-12-30  Ian Lance Taylor  <iant@google.com>
6839
6840         PR 10843
6841         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6842         if the input symbol index is 0, make the output symbol index 0.
6843
6844 2009-12-30  Ian Lance Taylor  <iant@google.com>
6845
6846         PR 10670
6847         * options.h (class General_options): Add -x/--discard-all.
6848         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6849         --discard-all.  If the local symbol needs a dynamic entry, check
6850         that before handling --discard-locals.
6851
6852 2009-12-30  Ian Lance Taylor  <iant@google.com>
6853
6854         PR 10450
6855         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6856         flags to PF_R.
6857         (Output_segment::add_output_section): Don't change the flags if
6858         the type is PT_TLS.
6859
6860         PR 10450
6861         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6862         GNU hash table if they need a dynamic value.  Otherwise, don't add
6863         them if they are defined in a dynamic object or are forced local.
6864
6865 2009-12-29  Ian Lance Taylor  <iant@google.com>
6866
6867         PR 10450
6868         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6869         .gnu.hash table for a 32-bit target.
6870
6871         PR 10450
6872         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6873         regular and a dynamic object only needs a dynamic symbol table
6874         entry if it is externally visible.
6875
6876         PR 10450
6877         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6878         constructor.  Add global_offset_table_ field.
6879         (Target_i386::got_section): Set global_offset_table_.
6880         (Target_i386::do_finalize_sections): Set global_offset_table_
6881         size.
6882         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6883         in constructor.  Add global_offset_table_ field.
6884         (Target_x86_64::got_section): Set global_offset_table_.
6885         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6886         size.
6887
6888         * layout.cc (Layout::Layout): Initialize increase_relro_.
6889         (Layout::get_output_section): Add is_relro, is_last_relro, and
6890         is_first_non_relro parameters.  Change all callers.
6891         (Layout::choose_output_section): Likewise.
6892         (Layout::add_output_section_data): Likewise.
6893         (Layout::make_output_section): Likewise.
6894         (Layout::set_segment_offsets): Clear increase_relro when using a
6895         linker script.
6896         * layout.h (class Layout): Add increase_relro method.  Add
6897         increase_relro_ field.  Update declarations.
6898         * output.cc (Output_section::Output_section): Initialize
6899         is_last_relro_ and is_first_non_relro_.
6900         (Output_segment::add_output_section): Group relro sections is
6901         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6902         (Output_segment::maximum_alignment): Remove relro handling.
6903         (Output_segment::set_section_addresses): Add increase_relro
6904         parameter.  Change all callers.  Add initial alignment to align
6905         relro sections on separate page.  Remove old relro handling.
6906         (Output_segment::set_section_list_addresses): Remove in_relro
6907         parameter.  Change all callers.
6908         (Output_segment::set_offset): Add increase parameter.  Change all
6909         callers.  Remove old relro handling.
6910         * output.h (class Output_section): Add new methods: is_last_relro,
6911         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6912         Add is_last_relro_ and is_first_non_relro_ fields.
6913         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6914         Create separate .got.plt section.  Call increase_relro.
6915         * x86_64.cc (Target_x86_64::got_section): Likewise.
6916         * testsuite/relro_script_test.t: Add .got.plt.
6917
6918         PR 10450
6919         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6920         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6921         (Layout::finalize): Call set_dynamic_symbol_size.
6922         (Layout::set_dynamic_symbol_size): New function.
6923         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6924         set_dynamic_symbol_size.
6925
6926         PR 10450
6927         * output.h (class Output_section): Add is_entsize_zero_ field.
6928         * output.cc (Output_section::Output_section): Initialize
6929         is_entsize_zero_.
6930         (Output_section::set_entsize): If two different entsizes are
6931         requested, force it to zero.
6932         (Output_section::add_input_section): Set flags for .debug_str
6933         before updating section flags.  Set entsize.
6934         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6935         and SHF_STRING if all input sections have those flags.
6936
6937 2009-12-29   Rafael Espindola  <espindola@google.com>
6938
6939         * main.cc (main): Fix the sys time reporting.
6940         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6941         reporting.
6942
6943 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6944
6945         * options.cc (General_options::parse_version): Allow -v to exit
6946         without an error if there is nothing to link.
6947
6948 2009-12-29  Ian Lance Taylor  <iant@google.com>
6949
6950         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6951         using a version of gcc before 4.1.
6952         * configure: Rebuild.
6953
6954 2009-12-28  Chris Demetriou  <cgd@google.com>
6955
6956         * attributes.cc (Output_attributes_section_data::do_write): Use
6957         std::vector::front rather than std::vector::data.
6958
6959 2009-12-28  Ian Lance Taylor  <iant@google.com>
6960
6961         * symtab.h (class Symbol_table): Add enum Defined.
6962         * resolve.cc (Symbol_table::should_override): Add defined
6963         parameter.  Change all callers.  Test whether object is NULL
6964         before calling a method on it.
6965         (Symbol_table::report_resolve_problem): Add defined parameter.
6966         Change all callers.
6967         (Symbol_table::should_override_with_special): Likewise.
6968         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6969         parameter.  Change all callers.
6970         (Symbol_table::do_define_in_output_data): Likewise.
6971         (Symbol_table::define_in_output_segment): Likewise.
6972         (Symbol_table::do_define_in_output_segment): Likewise.
6973         (Symbol_table::define_as_constant): Likewise.
6974         (Symbol_table::do_define_as_constant): Likewise.
6975         * script.h (class Symbol_assignment): Add is_defsym parameter to
6976         constructor; change all callers.
6977         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6978         parameter.  Change all callers.  Add is_defsym_ field.
6979         (class Parser_closure): Add parsing_defsym parameter to
6980         constructor; change all callers.  Add parsing_defsym accessor
6981         function.  Add parsing_defsym_ field.
6982
6983 2009-12-28  Ian Lance Taylor  <iant@google.com>
6984
6985         * gold.cc (queue_middle_tasks): Fix formatting.
6986         * object.cc (Relobj::is_section_name_included): Likewise.
6987
6988 2009-12-23  Ian Lance Taylor  <iant@google.com>
6989
6990         * i386.cc (Target_i386::do_calls_non_split): Recognize
6991         -fsplit-stack prologue for a function with a static chain.
6992         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6993         -fsplit-stack prologue when using %r11.
6994
6995 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6996
6997         * options.cc (General_options::parse_version): Make -v continue and do
6998         the link like GNU ld does.
6999
7000 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7001
7002         * Makefile.am (CCFILES): Add timer.cc.
7003         (HFILES): Add timer.h.
7004         * configure.ac: Check for sysconf and times.
7005         * main.cc: include timer.h.
7006         (main): Use Timer instead of get_run_time.
7007         * timer.cc: New.
7008         * timer.h: New.
7009         * workqueue.cc: include timer.h.
7010         (Workqueue::find_and_run_task):
7011         Report user, sys and wall time.
7012         * Makefile.in: Regenerate.
7013         * config.in: Regenerate.
7014         * configure: Regenerate.
7015
7016 2009-12-16  Doug Kwan  <dougkwan@google.com>
7017
7018         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7019         sections.
7020         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7021         relaxed input sections.
7022         * output.cc (Output_section::find_relaxed_input_section): Change
7023         return type to Output_relaxed_input_section pointer.  Adjust code
7024         for new type of relaxed_input_section_map_.
7025         * output.h (Output_section::find_relaxed_input_section): Change
7026         return type to Output_relaxed_input_section pointer.
7027         (Output_section::Output_relaxed_input_section_by_input_section_map):
7028         New type.
7029         (Output_section::relaxed_input_section_map_): Change type to
7030         Output_section::Output_relaxed_input_section_by_input_section_map.
7031         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7032         input section.
7033
7034 2009-12-15  Ian Lance Taylor  <iant@google.com>
7035
7036         * layout.cc (Layout::create_shstrtab): Only write out after input
7037         sections if we are compressing debug sections.
7038
7039 2009-12-15  Ian Lance Taylor  <iant@google.com>
7040
7041         * archive.cc (Archive::add_symbols): Only look up a symbol without
7042         a version if there is, in fact, a version.
7043
7044 2009-12-14  Ian Lance Taylor  <iant@google.com>
7045
7046         Revert -Wshadow changes, all changes from:
7047         2009-12-11  Doug Kwan  <dougkwan@google.com>
7048         2009-12-11  Nick Clifton  <nickc@redhat.com>
7049         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7050
7051 2009-12-11  Doug Kwan  <dougkwan@google.com>
7052
7053         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7054         due to -Wshadow.
7055         * attributes.cc (Object_attribute::size): Ditto.
7056         (Attributes_section_data::size): Ditto.
7057         (Attributes_section_data::Attributes_section_data): Ditto.
7058         (Output_attributes_section_data::do_write): Ditto.
7059         * attributes.h (Object_attribute::set_type): Ditto.
7060         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7061
7062 2009-12-11  Nick Clifton  <nickc@redhat.com>
7063
7064         * archive.cc: Fix shadowed variable warnings.
7065         * arm.cc: Likewise.
7066         * compressed_output.cc: Likewise.
7067         * compressed_output.h: Likewise.
7068         * configure: Likewise.
7069         * dwarf_reader.cc: Likewise.
7070         * dynobj.cc: Likewise.
7071         * dynobj.h: Likewise.
7072         * ehframe.cc: Likewise.
7073         * ehframe.h: Likewise.
7074         * errors.cc: Likewise.
7075         * expression.cc: Likewise.
7076         * fileread.cc: Likewise.
7077         * fileread.h: Likewise.
7078         * freebsd.h: Likewise.
7079         * i386.cc: Likewise.
7080         * icf.cc: Likewise.
7081         * incremental.h: Likewise.
7082         * layout.cc: Likewise.
7083         * layout.h: Likewise.
7084         * mapfile.cc: Likewise.
7085         * merge.cc: Likewise.
7086         * merge.h: Likewise.
7087         * object.cc: Likewise.
7088         * object.h: Likewise.
7089         * options.h: Likewise.
7090         * output.cc: Likewise.
7091         * output.h: Likewise.
7092         * parameters.cc: Likewise.
7093         * plugin.cc: Likewise.
7094         * powerpc.cc: Likewise.
7095         * reduced_debug_output.cc: Likewise.
7096         * reduced_debug_output.h: Likewise.
7097         * reloc.cc: Likewise.
7098         * reloc.h: Likewise.
7099         * resolve.cc: Likewise.
7100         * script-sections.cc: Likewise.
7101         * script.cc: Likewise.
7102         * script.h: Likewise.
7103         * sparc.cc: Likewise.
7104         * symtab.cc: Likewise.
7105         * symtab.h: Likewise.
7106         * target-select.cc: Likewise.
7107         * target-select.h: Likewise.
7108         * token.h: Likewise.
7109         * workqueue.cc: Likewise.
7110         * workqueue.h: Likewise.
7111         * x86_64.cc: Likewise.
7112
7113 2009-12-10  Doug Kwan  <dougkwan@google.com>
7114
7115         * arm.cc (attributes.h): New include.
7116         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7117         (Arm_relobj::~Arm_relobj): Delete object pointed by
7118         attributes_section_data_.
7119         (Arm_relobj::attributes_section_data): New method definition.
7120         (Arm_relobj::attributes_section_data_): New data member declaration.
7121         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7122         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7123         attributes_section_data_.
7124         (Arm_dynobj::attributes_section_data): New method definition.
7125         (Arm_dynobj::attributes_section_data_): New data member declaration.
7126         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7127         initialization value of may_use_blx_ to false.
7128         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7129         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7130         object attributes to compute results instead of hard-coding.
7131         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7132         Target_arm::get_secondary_compatible_arch,
7133         Target_arm::set_secondary_compatible_arch
7134         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7135         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7136         New method declarations.
7137         (Target_arm::get_aeabi_object_attribute): New method definition.
7138         (Target_arm::attributes_section_data_): New data member declaration.
7139         (read_arm_attributes_section): New template definition.
7140         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7141         (Arm_dynobj::do_read_symbols): Ditto.
7142         (Target_arm::do_finalize_sections): Merge attributes sections from
7143         input.  Check for BLX use after attributes section merging.
7144         Fix __exidx_start and __exidx_end visibility.  Create an
7145         .ARM.attributes section if necessary.
7146         (Target_arm::get_secondary_compatible_arch,
7147         Target_arm::set_secondary_compatible_arch,
7148         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7149         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7150         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7151         New method definitions.
7152
7153 2009-12-09  Ian Lance Taylor  <iant@google.com>
7154
7155         * plugin.cc (Plugin::load): Don't cast from void* to a function
7156         pointer.
7157
7158 2009-12-09  Ian Lance Taylor  <iant@google.com>
7159
7160         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7161         information fields.
7162
7163 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7164
7165         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7166         Replace two_file_shared_1.so with two_file_shared_2.so.
7167         * testsuite/Makefile.in: Regenerated.
7168
7169 2009-12-08  Doug Kwan  <dougkwan@google.com>
7170
7171         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7172         (HFILES): Add attributes.h and int_encoding.h.
7173         * Makefile.in: Regenerate.
7174         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7175         function definitions to int_encoding.cc
7176         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7177         prototypes to int_encoding.h
7178         * reduced_debug_output.cc (int_encoding.h): New include.
7179         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7180         function definitions to int_encoding.cc
7181         (insert_into_vector, read_from_pointer): Move template definitions to
7182         int_encoding.h
7183         * attributes.cc: New file.
7184         * attributes.h: New file.
7185         * int_encoding.cc: New file.
7186         * int_encoding.h: New file.
7187
7188 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7189
7190         PR gold/11055
7191         * incremental-dump.cc (dump_incremental_inputs): New.
7192         (main): Use dump_incremental_inputs.
7193
7194 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7195
7196         PR gold/10893
7197         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7198         checking elfcpp::STT_FUNC.
7199         (Target_i386::Relocate::relocate): Likewise.
7200         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7201
7202         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7203         symbols from shared libraries into normal FUNC symbols.
7204
7205         * symtab.h (Symbol): Add is_func and use it.
7206
7207 2009-12-05  Doug Kwan  <dougkwan@google.com>
7208
7209         * arm.cc (Target_arm::arm_info): Initialize new fields
7210         attributes_section and attributes_vendor.
7211         * i386.cc (Target_i386::i386_info): Same.
7212         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7213         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7214         fields attributes_section and attributes_vendor.
7215         * sparc.cc (Target_sparc::sparc_info): Same.
7216         * target.h (Target::attributes_section, Target::attributes_vendor,
7217         Target::is_attributes_section, Target::attribute_arg_type,
7218         Target::attributes_order): New method definitions.
7219         (Target::Target_info::attributes_section,
7220         Target::Target_info::attributes_vendor): New fields.
7221         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7222         virtual method definitions.
7223         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7224         attributes_section and attributes_vendor.
7225         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7226
7227 2009-12-05  Doug Kwan  <dougkwan@google.com>
7228
7229         * arm.cc: Update comments about interworking and stub generation.
7230         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7231         considered as non-PIC.
7232         (Arm_relocate_functions::base_abs): Fix formatting.
7233         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7234         of function to use GOT entry address instead of offset.
7235         (Target_arm::Scan::global): Issue an error if a symbol would need a
7236         PLT does not get one because it is untyped.  Remove code to create
7237         dynamic symbols for relative branches.
7238         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7239         takes unsigned integer instead of boolean.
7240
7241 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7242
7243         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7244         (two_file_test_LDADD): Likewise.
7245         (common_test_1_LDADD): Likewise.
7246         (exception_test_LDADD) Likewise.
7247         (weak_test_LDADD): Likewise.
7248         (many_sections_test_LDADD): Likewise.
7249         (initpri1_LDADD): Likewise.
7250         (script_test_1_LDADD): Likewise.
7251         (script_test_2_LDADD): Likewise.
7252         (justsyms_LDADD): Likewise.
7253         (binary_test_LDADD): Likewise.
7254         (large_LDADD): Likewise.
7255         * testsuite/Makefile.in: Regenerated.
7256
7257 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7258
7259         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7260         (Symbol_table::override_with_special): Likewise.
7261         (Symbol_table::add_from_object): Likewise.
7262
7263 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7264
7265         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7266         Don't set the data_offset twice.
7267
7268 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7269
7270         * testsuite/Makefile.in: Regenerate.
7271
7272 2009-12-03  Doug Kwan  <dougkwan@google.com>
7273
7274         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7275         (Target_arm::do_finalize_sections): Add parameter for symbol table
7276         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7277         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7278         parameter for symbol table pointer.
7279         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7280         an additional parameter for a pointer to symbol table.
7281         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7282         parameter for a symbol table pointer.
7283         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7284         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7285         Ditto.
7286         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7287         parameter for a symbol table pointer.
7288
7289 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7290
7291         * incremental.cc (Incremental_inputs_header)
7292         (Incremental_inputs_header_write, Incremental_inputs_entry)
7293         (Incremental_inputs_entry_write): Move ...
7294         * incremental.h (Incremental_inputs_header)
7295         (Incremental_inputs_header_write, Incremental_inputs_entry)
7296         (Incremental_inputs_entry_write): here.
7297
7298 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7299
7300         * incremental.cc (make_sized_incremental_binary): Set the target.
7301         Error if it is incompatible.
7302         * output.h (Output_file): Add filename method.
7303
7304 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7305
7306         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7307         from the get_* methods.
7308
7309 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7310
7311         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7312         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7313         Write 0 for the data_offset of scripts.
7314
7315 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7316
7317         * testsuite/Makefile.am: Add the incremental_test.sh test.
7318         * testsuite/incremental_test.sh: New.
7319         * testsuite/incremental_test_1.c: New.
7320         * testsuite/incremental_test_2.c: New.
7321
7322 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7323
7324        * incremental-dump.cc (main): Fix typos.
7325
7326 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7327
7328         PR gold/11025
7329         * incremental-dump.cc (main): Use llu to print 64 bit values.
7330
7331 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7332             H.J. Lu  <hongjiu.lu@intel.com>
7333
7334         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7335         $(LIBDL).
7336         (incremental_dump_LDADD): Likewise.
7337         * Makefile.in: Regenerated.
7338
7339 2009-11-25  Doug Kwan  <dougkwan@google.com>
7340
7341         Revert:
7342
7343         2009-11-25  Doug Kwan  <dougkwan@google.com>
7344
7345                 * arm.cc (Target_arm::Target_arm): Move method definition
7346                 outside of class definition.  Add code to handle
7347                 --target1-rel, --target1-abs and --target2= options.
7348                 (Target_arm::get_reloc_reloc_type): Change method to be
7349                 non-static and const.
7350                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7351                 New data member declaration.
7352                 (Target_arm::Scan::local, Target_arm::Scan::global,
7353                 Target_arm::Relocate::relocate,
7354                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7355                 Adjust call to Target_arm::get_real_reloc_type.
7356                 (Target_arm::get_real_reloc_type): Use command line options
7357                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7358                 * options.h (--target1-rel, --target1-abs, --target2): New
7359                 ARM-only options.
7360
7361 2009-11-25  Doug Kwan  <dougkwan@google.com>
7362
7363         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7364         class definition.  Add code to handle --target1-rel, --target1-abs
7365         and --target2= options.
7366         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7367         and const.
7368         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7369         member declaration.
7370         (Target_arm::Scan::local, Target_arm::Scan::global,
7371         Target_arm::Relocate::relocate,
7372         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7373         call to Target_arm::get_real_reloc_type.
7374         (Target_arm::get_real_reloc_type): Use command line options to
7375         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7376         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7377         options.
7378
7379 2009-11-25  Doug Kwan  <dougkwan@google.com>
7380
7381         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7382         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7383         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7384         formatting.
7385         (Arm_relocate_functions::thm_call): Replace body with a call to
7386         Arm_relocate_functions::thumb_branch_common.
7387         (Arm_relocate_functions::thm_jump24,
7388         Arm_relocate_functions::thm_xpc22): New method definitions.
7389         (Arm_relocate_functions::thumb_branch_common): New method definition.
7390         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7391         operator.
7392         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7393         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7394
7395 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7396
7397         * Makefile.am: Build incremental-dump
7398         * Makefile.in: Regenerate.
7399         * incremental-dump.cc: New.
7400         * incremental.cc (Incremental_inputs_header_data,
7401         Incremental_inputs_entry_data): Move to incremental.h
7402         * incremental.h: (Incremental_inputs_header_data,
7403         Incremental_inputs_entry_data): Move from incremental.cc
7404
7405 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7406
7407         * incremental.cc (Incremental_inputs_header,
7408         Incremental_inputs_header_write, Incremental_inputs_entry,
7409         Incremental_inputs_entry_write): Add a typedef with the data type.
7410
7411 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7412
7413         * incremental.cc (Incremental_inputs_header,
7414         Incremental_inputs_header_write, Incremental_inputs_entry,
7415         Incremental_inputs_entry_write): Update comment about which
7416         type has the filed descriptions.
7417
7418 2009-11-15  Doug Kwan  <dougkwan@google.com>
7419
7420         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7421         (Arm_relocate_functions::arm_branch_common): Change method defintion
7422         in class definition to a method declaration and update list of formal
7423         parameters.
7424         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7425         Arm_relocation_functions::jump24): Adjust call to
7426         Arm_relocate_functions::arm_branch_common.  Update list of formal
7427         parameters.
7428         (Arm_relocate_functions::xpc25): New method definition.
7429         (Arm_relocate_functions::arm_branch_common): Move method defintion
7430         out from class definition.  Use stubs for mode-switching and extending
7431         branch ranges.
7432         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7433         specially.  Change code to enable use of stubs in ARM branches.
7434
7435 2009-11-10  Doug Kwan  <dougkwan@google.com>
7436
7437         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7438         in method declaration.
7439         (Target_arm::relocate_stub): New method declaration.
7440         (Target_arm::default_target): Change to return a pointer instead of
7441         a const reference.
7442         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7443         Target_arm::default_target.
7444         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7445         method definition.
7446         (Target_arm::relocate_section): Adjust view.
7447         (Target_arm::relocate_stub): New method definition.
7448
7449 2009-11-10  Doug Kwan  <dougkwan@google.com>
7450
7451         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7452         a format warning.
7453         * incremental.cc (open_incremental_binary): Initialized local
7454         variables to avoid warnings.
7455         * object.cc (make_elf_object): Ditto.
7456         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7457         a format warning.
7458
7459 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7460
7461         PR gold/10930
7462         * testsuite/plugin_test.c: Include "config.h".
7463
7464 2009-11-09  Doug Kwan  <dougkwan@google.com>
7465
7466         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7467         (arm_symbol_value): Remove.
7468         (Arm_relocate_functions::arm_branch_common,
7469         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7470         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7471         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7472         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7473         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7474         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7475         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7476         Arm_relocate_functions::thm_mobw_abs_nc,
7477         Arm_relocate_functions::thm_mov_abs,
7478         Arm_relocate_functions::movw_prel_nc,
7479         Arm_relocate_functions::thm_movt_abs,
7480         Arm_relocate_functions::movt_prel,
7481         Arm_relocate_functions::thm_movw_prel_nc,
7482         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7483         (Target_arm::Relocate::relocate): Only decompose address into two
7484         parts if relocation type uses the thumb-bit and pass the actual
7485         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7486         calls to methods in Arm_relocate_functions for this change.
7487
7488 2009-11-08  Ian Lance Taylor  <iant@google.com>
7489
7490         PR 10925
7491         * reloc.cc: Instantiate
7492         Sized_relobj::initialize_input_to_output_maps and
7493         Sized_relobj:free_input_to_output_maps.
7494
7495 2009-11-06  Ian Lance Taylor  <iant@google.com>
7496
7497         PR 10876
7498         * defstd.cc (in_segment): Set only_if_ref true for "end".
7499
7500 2009-11-06  Doug Kwan  <dougkwan@google.com>
7501
7502         * arm.cc (class Reloc_stub): Correct a comment.
7503         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7504         (Target_arm::scan_section_for_stubs): New method declaration.
7505         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7506         Change methods from private to protected.
7507         (Target_arm::do_may_relax): New method definition.
7508         (Target_arm::do_relax, Target_arm::group_sections,
7509         Target_arm::scan_reloc_for_stub,
7510         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7511         (Target_arm::arm_input_section_map_): New data member declaration.
7512         (Target_arm::scan_reloc_for_stub,
7513         Target_arm::scan_reloc_section_for_stubs,
7514         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7515         Target_arm::do_relax): New method definitions.
7516
7517 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7518
7519         * configure.ac: Check for (struct stat)::st_mtim
7520         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7521         * config.in: Regenerate.
7522         * configure: Regenerate.
7523
7524 2009-11-05  Ian Lance Taylor  <iant@google.com>
7525
7526         PR 10910
7527         * output.cc (Output_segment::add_output_section): Add missing
7528         return statement.
7529
7530 2009-11-04  Ian Lance Taylor  <iant@google.com>
7531
7532         PR 10880
7533         * object.h (class Object): Add is_needed and set_is_needed
7534         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7535         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7536         defined in a dynamic object and referenced by a regular object,
7537         set is_needed for the dynamic object.
7538         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7539         if the file is marked with as_needed and it is not needed.
7540
7541 2009-11-04  Ian Lance Taylor  <iant@google.com>
7542
7543         PR 10887
7544         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7545         tags if data is discarded by linker script.
7546         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7547         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7548         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7549         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7550
7551 2009-11-04  Ian Lance Taylor  <iant@google.com>
7552
7553         * layout.cc (Layout::get_output_section): Add is_interp and
7554         is_dynamic_linker_section parameters.  Change all callers.
7555         (Layout::choose_output_section): Likewise.
7556         (Layout::make_output_section): Likewise.
7557         (Layout::add_output_section_data): Add is_dynamic_linker_section
7558         parameter.  Change all callers.
7559         * layout.h (class Layout): Update declarations.
7560         * output.h (class Output_section): Add is_interp, set_is_interp,
7561         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7562         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7563         generate_code_fills_at_write_ to a bitfield.
7564         * output.cc (Output_section::Output_sections): Initialize new
7565         fields.
7566         (Output_segment::add_output_section): Add do_sort parameter.
7567         Change all callers.
7568
7569 2009-11-03  Ian Lance Taylor  <iant@google.com>
7570
7571         PR 10860
7572         * options.h (class General_options): Add --warn-common.
7573         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7574         merging two common symbols.
7575         (Symbol_table::should_override): Handle --warn-common when merging
7576         a common symbol with a defined symbol.  Use report_resolve_problem
7577         for multiple definitions.
7578         (Symbol_table::report_resolve_problem): New function.
7579         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7580
7581 2009-11-03  Doug Kwan  <dougkwan@google.com>
7582
7583         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7584         stub_factory_.
7585         (Target_arm::stub_factory): New method definition.
7586         (Target_arm::new_arm_input_section,
7587         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7588         Target_arm::reloc_uses_thumb_bit): New method declarations.
7589         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7590         New type definitions.
7591         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7592         member declarations.
7593         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7594         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7595         New method definitions.
7596
7597 2009-11-03  Ian Lance Taylor  <iant@google.com>
7598
7599         * options.h (class General_options): Add --warn_constructors.
7600
7601 2009-11-03  Ian Lance Taylor  <iant@google.com>
7602
7603         PR 10893
7604         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7605         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7606
7607 2009-11-03  Ian Lance Taylor  <iant@google.com>
7608
7609         PR 10895
7610         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7611         --msgid-bugs-address.
7612         (install-pdf): New target.
7613         (install-data_yes): Look up one directory to find mkinstalldirs.
7614
7615 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7616
7617         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7618         tree.
7619
7620 2009-10-30  Doug Kwan  <dougkwan@google.com>
7621
7622         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7623
7624 2009-10-30  Doug Kwan  <dougkwan@google.com>
7625
7626         * arm.cc (Stub_addend_reader): New struct template definition
7627         and partial specializations.
7628         (Stub_addend_reader::operator()): New method definition for a
7629         partially specialized template.
7630
7631 2009-10-30  Doug Kwan  <dougkwan@google.com>
7632
7633         * arm.cc (Arm_relobj::processor_specific_flags): New method
7634         definition.
7635         (Arm_relobj::do_read_symbols): New method declaration.
7636         (Arm_relobj::processor_specific_flags_): New data member declaration.
7637         (Arm_dynobj): New class definition.
7638         (Target_arm::do_finalize_sections): Add input_objects parameter.
7639         (Target_arm::do_adjust_elf_header): New method declaration.
7640         (Target_arm::are_eabi_versions_compatible,
7641         (Target_arm::merge_processor_specific_flags): New method declaration.
7642         (Target_arm::do_make_elf_object): New overloaded method definitions
7643         and declaration.
7644         (Arm_relobj::do_read_symbols): New method definition.
7645         (Arm_dynobj::do_read_symbols): Ditto.
7646         (Target_arm::do_finalize_sections): Add input_objects parameters.
7647         Merge processor-specific flags from all input objects.
7648         (Target_arm::are_eabi_versions_compatible,
7649         Target_arm::merge_processor_specific_flags,
7650         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7651         New method definitions.
7652         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7653         Input_objects pointer type parameter.
7654         * layout.cc (Layout::finalize): Pass input objects to target's.
7655         finalize_sections function.
7656         * output.cc (Output_file_header::do_sized_write): Set ELF file
7657         header's processor-specific flags.
7658         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7659         Input_objects pointer type parameter.
7660         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7661         * target.h (Input_objects): New forward class declaration.
7662         (Target::processor_specific_flags,
7663         Target::are_processor_specific_flags_sect): New method definitions.
7664         (Target::finalize_sections): Add input_objects parameter.
7665         (Target::Target): Initialize processor_specific_flags_ and
7666         are_processor_specific_flags_set_.
7667         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7668         parameter.
7669         (Target::set_processor_specific_flags): New method definition.
7670         (Target::processor_specific_flags_,
7671         Target::are_processor_specific_flags_set_): New data member
7672         declarations.
7673         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7674         Input_objects pointer type parameter.
7675
7676 2009-10-30  Doug Kwan  <dougkwan@google.com>
7677
7678         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7679
7680 2009-10-28  Ian Lance Taylor  <iant@google.com>
7681
7682         * object.h (class Relobj): Drop options parameter from
7683         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7684         do_scan_relocs, do_relocate.  Change all callers.
7685         (class Sized_relobj): Drop options parameters from
7686         do_gc_process_relocs, do_scan_relocs, do_relocate,
7687         do_relocate_sections, relocate_sections, emit_relocs_scan,
7688         emit_relocs_scan_reltype.  Change all callers.
7689         (struct Relocate_info): Remove options field and all references to
7690         it.
7691         * reloc.h (class Read_relocs): Remove options constructor
7692         parameter and options_ field.  Change all callers.
7693         (class Gc_process_relocs, class Scan_relocs): Likewise.
7694         (class Relocate_task): Likewise.
7695         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7696         all callers.
7697         (scan_relocatable_relocs): Likewise.
7698         * target.h (class Sized_target): Remove options parameter from
7699         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7700         all callers.
7701         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7702         callers.
7703         * arm.cc: Update functions to remove options parameters.
7704         * i386.cc: Likewise.
7705         * powerpc.cc: Likewise.
7706         * sparc.cc: Likewise.
7707         * x86_64.cc: Likewise.
7708         * testsuite/testfile.cc: Likewise.
7709
7710 2009-10-28  Doug Kwan  <dougkwan@google.com>
7711
7712         * arm.cc (Arm_relobj): New class definition.
7713         (Arm_relobj::scan_sections_for_stubs,
7714         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7715         New method definitions.
7716
7717 2009-10-28  Cary Coutant  <ccoutant@google.com>
7718
7719         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7720         (Plugin::cleanup_done_): New member.
7721         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7722         (Plugin_manager::cleanup_done_): Remove.
7723         (Plugin_manager::add_input_file): Edit error message.
7724         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7725         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7726
7727 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7728
7729         * fileread.cc: (File_read::View::~View): Use the new
7730         data_ownership_ filed.
7731         (File_read::~File_read): Dispose the new whole_file_view_.
7732         (File_read::open): Mmap the whole file if needed.
7733         (File_read::open): Use whole_file_view_ instead of contents_.
7734         (File_read::find_view): Use whole_file_view_ if applicable.
7735         (File_read::do_read): Use whole_file_view_ instead of contents_.
7736         (File_read::make_view): Use whole_file_view_ instead of contents_,
7737         update File_read::View::View call.
7738         (File_read::find_or_make_view): Update File_read::View::View
7739         call.
7740         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7741         remove contents_
7742         (File_read::View::Data_ownership): New enum.
7743         (File_read::View::View): Replace bool mapped_ with Data_ownership
7744         argument.
7745         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7746         (File_read::View::data_ownership_): New field.
7747         (File_read::contents_): Remove (replaced by whole_file_view_).
7748         (File_read::whole_file_view_): New field.
7749         * options.h (class General_options): Add --keep-files-mapped.
7750
7751 2009-10-27  Cary Coutant  <ccoutant@google.com>
7752
7753         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7754         * testsuite/Makefile.am (plugin_test_5): New test case.
7755         * testsuite/Makefile.in: Regenerate.
7756
7757 2009-10-25  Doug Kwan  <dougkwan@google.com>
7758
7759         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7760         from private to protected to allow access by child class.
7761         (Sized_relobj::do_relocate_sections): New method declaration.
7762         (Sized_relobj::relocate_sections): Virtualize.
7763         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7764         Sized_relobj::relocate_sections.  Instantiate template explicitly
7765         for different target sizes and endianity.
7766
7767 2009-10-24  Doug Kwan  <dougkwan@google.com>
7768
7769         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7770         (Arm_input_section::as_arm_input_section): New method.
7771         (Arm_output_section): New class definition.
7772         (Arm_output_section::create_stub_group,
7773         Arm_output_section::group_sections): New method definitions.
7774
7775 2009-10-22  Doug Kwan  <dougkwan@google.com>
7776
7777         * arm.cc (Arm_input_section): New class definition.
7778         (Arm_input_section::init, Arm_input_section:do_write,
7779         Arm_input_section::set_final_data_size,
7780         Arm_input_section::do_reset_address_and_file_offset): New method
7781         definitions.
7782
7783 2009-10-21  Doug Kwan  <dougkwan@google.com>
7784
7785         * arm.cc (Stub_table, Arm_input_section): New forward class
7786         declarations.
7787         (Stub_table): New class defintion.
7788         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7789         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7790         New method definition.
7791
7792 2009-10-21  Doug Kwan  <dougkwan@google.com>
7793
7794         * arm.cc: Update copyright comments.
7795         (Target_arm): New forward class template declaration.
7796         (Arm_address): New type.
7797         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7798         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7799         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7800         constants.
7801         (Insn_template): Same.
7802         (DEF_STUBS): New macro.
7803         (Stub_type): New enum type.
7804         (Stub_template): New class definition.
7805         (Stub): Same.
7806         (Reloc_stub): Same.
7807         (Stub_factory): Same.
7808         (Target_arm::Target_arm): Initialize may_use_blx_ and
7809         should_force_pic_veneer_.
7810         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7811         Target_arm::should_force_pic_veneer,
7812         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7813         Target_arm::using_thumb_only, Target_arm:;default_target): New
7814         method defintions.
7815         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7816         New data member declarations.
7817         (Insn_template::size, Insn_template::alignment): New method defintions.
7818         (Stub_template::Stub_template): New method definition.
7819         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7820         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7821         (Stub_factory::Stub_factory): New method definition.
7822         * gold.h (string_hash): New template.
7823         * output.h (Input_section_specifier::hash_value): Use
7824         gold::string_hash.
7825         (Input_section_specifier::string_hash): Remove.
7826         * stringpool.cc (Stringpool_template::string_hash): Use
7827         gold::string_hash.
7828
7829 2009-10-20  Doug Kwan  <dougkwan@google.com>
7830
7831         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7832         symbols of relaxed input sections.
7833         * output.h (Output_section::find_relaxed_input_section): Make
7834         method public.
7835
7836 2009-10-16  Doug Kwan  <dougkwan@google.com>
7837
7838         * dynobj.cc (Versions::Versions): Initialize version_script_.
7839         Only insert base version symbol definition for a shared object
7840         if version script defines any version versions.
7841         (Versions::define_base_version): New method definition.
7842         (Versions::add_def): Check that base version is not needed.
7843         (Versions::add_need): Define base version lazily.
7844         * dynobj.h (Versions::define_base_version): New method declaration.
7845         (Versions::needs_base_version_): New data member declaration.
7846         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7847         (check_DATA): Add no_version_test.stdout.
7848         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7849         New make rules.
7850         * testsuite/Makefile.in: Regenerate.
7851         * testsuite/no_version_test.c: New file.
7852         * testsuite/no_version_test.sh: Ditto.
7853
7854 2009-10-16  Doug Kwan  <dougkwan@google.com>
7855
7856         * expression.cc (class Segment_start_expression): New class definition.
7857         (Segment_start_expression::value): New method definition.
7858         (script_exp_function_segment_start): Return a new
7859         Segment_start_expression.
7860         * gold/script-c.h (script_saw_segment_start_expression): New function
7861         prototype.
7862         * script-sections.cc (Script_sections::Script_sections): Initialize
7863         SAW_SEGMENT_START_EXPRESSION_ to false.
7864         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7865         and -Tbbs options to specify section addresses if given in
7866         command line and no SEGMENT_START expression is seen in a script.
7867         * script-sections.h (Script_sections::saw_segment_start_expression,
7868         Script_sections::set_saw_segment_start_expression): New method
7869         definition.
7870         (Script_sections::saw_segment_start_expression_): New data member
7871         declaration.
7872         * script.cc (script_saw_segment_start_expression): New function.
7873         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7874         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7875         script_test_7.sh and script_test_8.sh.
7876         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7877         script_test_8.stdout.
7878         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7879         (script_test_6, script_test_6.stdout, script_test_7,
7880         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7881         * Makefile.in: Regenerate.
7882         * testsuite/script_test_6.sh: New file.
7883         * testsuite/script_test_6.t: Same.
7884         * testsuite/script_test_7.sh: Same.
7885         * testsuite/script_test_7.t: Same.
7886         * testsuite/script_test_8.sh: Same.
7887
7888 2009-10-16  Doug Kwan  <dougkwan@google.com>
7889
7890         * output.cc (Output_segment::set_section_list_address): Cast
7891         expressions to unsigned long long type to avoid format warnings.
7892
7893 2009-10-15  Ian Lance Taylor  <iant@google.com>
7894
7895         * script.cc (Script_options::add_symbol_assignment): Always add a
7896         dot assignment to script_sections_.
7897         * script-sections.cc (Script_sections::add_dot_assignment):
7898         Initialize if necessary.
7899
7900         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7901         program headers with no load segment if there is a linker script.
7902
7903         * layout.cc (Layout::set_segment_offsets): Align the file offset
7904         to the segment aligment for -N or -n with no load segment.
7905         * output.cc (Output_segment::add_output_section): Don't crash if
7906         the first section is a TLS section.
7907         (Output_segment::set_section_list_addresses): Print an error
7908         message if the address moves backward in a linker script.
7909         * script-sections.cc
7910         (Output_section_element_input::set_section_addresses): Don't
7911         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7912         (Orphan_output_section::set_section_addresses): Likewise.
7913
7914 2009-10-15  Doug Kwan  <dougkwan@google.com>
7915
7916         * layout.cc (Layout::finish_dynamic_section): Generate tags
7917         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7918         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7919         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7920
7921 2009-10-14  Ian Lance Taylor  <iant@google.com>
7922
7923         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7924         fields.
7925         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7926         data_shdr fields of relinfo.
7927         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7928         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7929         R_386_TLS_LDO_32, adjust based on section flags.
7930         (Target_i386::Relocate::fix_up_ldo): Remove.
7931
7932 2009-10-13  Ian Lance Taylor  <iant@google.com>
7933
7934         Add support for -pie.
7935         * options.h (class General_options): Add -pie and
7936         --pic-executable.
7937         (General_options::output_is_position_independent): Test -pie.
7938         (General_options::output_is_executable): Return true if not shared
7939         and not relocatable.
7940         (General_options::output_is_pie): Remove.
7941         * options.cc (General_options::finalize): Reject incompatible uses
7942         of -pie.
7943         * gold.cc (queue_middle_tasks): A -pie link is not static.
7944         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7945         * symtab.cc (Symbol::final_value_is_known): Return false if
7946         output_is_position_independent.
7947         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7948         output_is_position_independent.
7949         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7950         output_is_position_independent.
7951         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7952         output_is_position_independent.
7953         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7954         two_file_pie_test.
7955         (basic_pie_test.o, basic_pie_test): New targets.
7956         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7957         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7958         (two_file_pie_test): New target.
7959         * testsuite/Makefile.in: Rebuild.
7960         * README: Remove note saying that -pie is not supported.
7961
7962 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7963
7964         * options.h (class General_options): Add -init and -fini.
7965         * layout.cc (Layout::finish_dynamic_section): Emit
7966         given init and fini functions.
7967
7968 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7969
7970         * gc.h (gc_process_relocs): Check if icf is enabled using new
7971         function.
7972         * gold.cc (queue_initial_tasks): Likewise.
7973         (queue_middle_tasks): Likewise.
7974         * object.cc (do_layout): Likewise.
7975         * symtab.cc (is_section_folded): Likewise.
7976         * main.cc (main): Likewise.
7977         * reloc.cc (Read_relocs::run): Likewise.
7978         (Sized_relobj::do_scan_relocs): Likewise.
7979         * icf.cc (is_function_ctor_or_dtor): New function.
7980         (Icf::find_identical_sections): Check if function is ctor or dtor when
7981         safe icf is chosen.
7982         * options.h (General_options::icf): Change option to be an enum.
7983         (Icf_status): New enum.
7984         (icf_enabled): New method.
7985         (icf_safe_folding): New method.
7986         (set_icf_status): New method.
7987         (icf_status_): New variable.
7988         * (options.cc) (General_options::finalize): Set icf_status_.
7989         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7990         icf_test and icf_keep_unique_test to use the --icf enum flag.
7991         * testsuite/icf_safe_test.sh: New file.
7992         * testsuite/icf_safe_test.cc: New file.
7993
7994 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7995
7996         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7997         includes to gc.h and icf.h.
7998         * arm.cc: Include gc.h.
7999         * gold.cc: Likewise.
8000         * i386.cc: Likewise.
8001         * powerpc.cc: Likewise.
8002         * sparc.cc: Likewise.
8003         * x86_64.cc: Likewise.
8004         * gc.h: Include icf.h.
8005
8006 2009-10-11  Ian Lance Taylor  <iant@google.com>
8007
8008         * plugin.cc: Include "gold.h" before other header files.
8009
8010 2009-10-10  Chris Demetriou  <cgd@google.com>
8011
8012         * options.h (Input_file_argument::Input_file_type): New enum.
8013         (Input_file_argument::is_lib_): Replace with...
8014         (Input_file_argument::type_): New member.
8015         (Input_file_argument::Input_file_argument): Take Input_file_type
8016         'type' rather than boolean 'is_lib' as second argument.
8017         (Input_file_argument::is_lib): Use type_.
8018         (Input_file_argument::is_searched_file): New function.
8019         (Input_file_argument::may_need_search): Handle is_searched_file.
8020         * options.cc (General_options::parse_library): Support -l:filename.
8021         (General_options::parse_just_symbols): Update for Input_file_argument
8022         changes.
8023         (Command_line::process): Likewise.
8024         * archive.cc (Archive::get_file_and_offset): Likewise.
8025         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8026         * script.cc (read_script_file, script_add_file): Likewise.
8027         * fileread.cc (Input_file::Input_file): Likewise.
8028         (Input_file::will_search_for): Handle is_searched_file.
8029         (Input_file::open): Likewise.
8030         * readsyms.cc (Read_symbols::get_name): Likewise.
8031         * testsuite/Makefile.am (searched_file_test): New test.
8032         * testsuite/Makefile.in: Regenerate.
8033         * testsuite/searched_file_test.cc: New file.
8034         * testsuite/searched_file_test_lib.cc: New file.
8035
8036 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8037             Ian Lance Taylor  <iant@google.com>
8038
8039         * descriptor.cc: Include <cstdio> and "binary-io.h".
8040         (Descriptors::open): Open the files in binary mode always.
8041         * script.cc (Lex::get_token): Treat \r as whitespace.
8042
8043 2009-10-09  Ian Lance Taylor  <iant@google.com>
8044
8045         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8046
8047 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8048             Ian Lance Taylor  <iant@google.com>
8049
8050         * configure.ac: Check for readv function also.
8051         * fileread.cc (readv): Define if not HAVE_READV.
8052         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8053         does not exist.
8054         * config.in: Regenerate.
8055         * configure: Regenerate.
8056
8057 2009-10-09  Doug Kwan  <dougkwan@google.com>
8058
8059         * layout.cc (Layout::make_output_section): Call target hook to make
8060         ordinary output section.
8061         (Layout::finalize): Adjust parameter list of call the
8062         Target::may_relax().
8063         * layout.h (class Layout::section_list): New method.
8064         * merge.h (Output_merge_base::entsize): Change visibility to public.
8065         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8066         New methods.
8067         (Output_merge_string::do_is_string): New method.
8068         * object.cc (Sized_relobj::do_setup): renamed from
8069         Sized_relobj::set_up.
8070         * object.h (Sized_relobj::adjust_shndx,
8071         Sized_relobj::initializ_input_to_output_maps,
8072         Sized_relobj::free_input_to_output_maps): Change visibilities to
8073         protected.
8074         (Sized_relobj::setup): Virtualize.
8075         (Sized_relobj::do_setup): New method declaration.
8076         (Sized_relobj::invalidate_section_offset,
8077         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8078         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8079         * options.cc (parse_int): New function.
8080         * options.h (parse_int): New declaration.
8081         (DEFINE_int): New macro.
8082         (stub_group_size): New option.
8083         * output.cc (Output_section::Output_section): Initialize memebers
8084         merge_section_map_, merge_section_by_properties_map_,
8085         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8086         (Output_section::add_input_section): Handled deferred code-fill
8087         generation and remove an old comment.
8088         (Output_section::add_relaxed_input_section): New method definition.
8089         (Output_section::add_merge_input_section): Use merge section by
8090         properties map to speed to search.  Update merge section maps
8091         as appropriate.
8092         (Output_section::build_relaxation_map): New method definition.
8093         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8094         Same.
8095         (Output_section::relax_input_section): Renamed to
8096         Output_section::convert_input_sections_to_relaxed_sections and change
8097         interface to take a vector of pointers to relaxed sections.
8098         (Output_section::find_merge_section,
8099         Output_section::find_relaxed_input_section): New method definitions.
8100         (Output_section::is_input_address_mapped,
8101         Output_section::output_offset, Output_section::output_address):
8102         Use output section data maps to speed up searching.
8103         (Output_section::find_starting_output_address): Add comments.
8104         (Output_section::do_write,
8105         Output_section::write_to_postprocessing_buffer): Do code-fill
8106         generation as appropriate.
8107         (Output_section::get_input_sections): Invalidate relaxed input section
8108         map.
8109         (Output_section::restore_states): Adjust type of checkpoint .
8110         Invalidate relaxed input section map.
8111         * output.h (Output_merge_base): New class declaration.
8112         (Input_section_specifier): New class defintion.
8113         (class Output_relaxed_input_section) Change base class to
8114         Output_section_data_build.
8115         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8116         base class initializer.
8117         (Output_section::add_relaxed_input_section): New method declaration.
8118         (Output_section::Input_section): Change visibility to protected.
8119         (Output_section::Input_section::relobj,
8120         Output_section::Input_section::shndx): Handle relaxed input sections.
8121         Output_section::input_sections) Change visibility to protected.  Also
8122         define overload to return a non-const pointer.
8123         (Output_section::Merge_section_properties): New class defintion.
8124         (Output_section::Merge_section_by_properties_map,
8125         Output_section::Output_section_data_by_input_section_map,
8126         Output_section::Relaxation_map): New types.
8127         (Output_section::relax_input_section): Rename method to
8128         Output_section::convert_input_sections_to_relaxed_sections and change
8129         interface to take a vector of relaxed section pointers.
8130         (Output_section::find_merge_section,
8131         Output_section::find_relaxed_input_section,
8132         Output_section::build_relaxation_map,
8133         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8134         New method declarations.
8135         (Output_section::merge_section_map_
8136         Output_section::merge_section_by_properties_map_,
8137         Output_section::relaxed_input_section_map_,
8138         Output_section::is_relaxed_input_section_map_valid_,
8139         Output_section::generate_code_fills_at_write_): New data members.
8140         * script-sections.cc
8141         (Output_section_element_input::set_section_addresses): Call
8142         current_data_size and addralign methods of relaxed input sections.
8143         (Orphan_output_section::set_section_addresses): Call current_data_size
8144         and addralign methods of relaxed input sections.
8145         * symtab.cc (Symbol_table::compute_final_value): Extract template
8146         from the body of Symbol_table::sized_finalize_symbol.
8147         (Symbol_table::sized_finalized_symbol): Call
8148         Symbol_table::compute_final_value.
8149         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8150         (Symbol_table::compute_final_value): New templated method declaration.
8151         * target.cc (Target::do_make_output_section): New method defintion.
8152         * target.h (Target::make_output_section): New method declaration.
8153         (Target::relax): Add more parameters for input objects, symbol table
8154         and layout.  Adjust call to do_relax.
8155         (Target::do_make_output_section): New method declaration.
8156         (Target::do_relax): Add parameters for input objects, symbol table
8157         and layout.
8158
8159 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8160
8161         * pread.c: Include stdio.h.
8162
8163 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8164
8165         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8166         defined.
8167
8168 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8169
8170         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8171         Change read_shndx type to unsigned int.
8172         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8173         int.
8174         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8175         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8176         Change read_shndx type to unsigned int.
8177         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8178         int.
8179         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8180         * layout.cc (Layout::create_symtab_sections): Cast the result of
8181         local_symcount * symsize to off_t in the gold_assert.
8182
8183 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8184
8185         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8186         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8187         R_ARM_BASE_ABS.
8188         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8189         (Arm_relocate_functions::thm_abs5): New function.
8190         (Arm_relocate_functions::abs12): New function.
8191         (Arm_relocate_functions::abs16): New function.
8192         (Arm_relocate_functions::base_abs): New function.
8193         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8194         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8195         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8196         R_ARM_BASE_ABS.
8197         (Scan::global): Likewise.
8198         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8199         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8200         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8201         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8202         R_ARM_BASE_ABS.
8203
8204 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8205
8206         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8207         (Arm_relocate_functions::movt_prel): New function.
8208         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8209         (Arm_relocate_functions::thm_movt_prel): New function.
8210         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8211         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8212         (Scan::global, Relocate::relocate): Likewise.
8213         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8214
8215 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8216
8217         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8218         Incremental_checker.
8219         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8220         unsigned int.
8221         (class Incremental_inputs_header): New class.
8222         (Incremental_inputs_header_writer): Edit comment.
8223         (Incremental_inputs_entry): New class.
8224         (Incremental_inputs_entry_writer): Edit comment.
8225         (Sized_incremental_binary::do_find_incremental_inputs_section):
8226         Add *strtab_shndx parameter, fill it.
8227         (Sized_incremental_binary::do_check_inputs): New method.
8228         (Incremental_checker::can_incrementally_link_output_file): Use
8229         Sized_incremental_binary::check_inputs.
8230         (Incremental_inputs::report_command_line): Save command line in
8231         command_line_.
8232         * incremental.h:
8233         (Incremental_binary::find_incremental_inputs_section): New
8234         method.
8235         (Incremental_binary::do_find_incremental_inputs_section): Add
8236         strtab_shndx parameter.
8237         (Incremental_binary::do_check_inputs): New pure virtual method.
8238         (Sized_incremental_binary::do_check_inputs): Declare.
8239         (Incremental_checker::Incremental_checker): Add incremental_inputs
8240         parameter, use it to initialize incremental_inputs_.
8241         (Incremental_checker::incremental_inputs_): New field.
8242         (Incremental_checker::command_line): New method.
8243         (Incremental_checker::inputs): New method.
8244         (Incremental_checker::command_line_): New field.
8245
8246 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8247
8248         * incremental.cc: Include <cstdarg> and "target-select.h".
8249         (vexplain_no_incremental): New function.
8250         (explain_no_incremental): New function.
8251         (Incremental_binary::error): New method.
8252         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8253         method.
8254         (make_sized_incremental_binary): New function.
8255         (open_incremental_binary): New function.
8256         (can_incrementally_link_file): Add checks if output is ELF and has
8257         inputs section.
8258         * incremental.h: Include "elfcpp_file.h" and "output.h".
8259         (Incremental_binary): New class.
8260         (Sized_incremental_binary): New class.
8261         (open_incremental_binary): Declare.
8262         * object.cc (is_elf_object): Use
8263         elfcpp::Elf_recognizer::is_elf_file.
8264         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8265         * output.h (Output_file::filesize): New method.
8266
8267 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8268
8269         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8270         New function.
8271         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8272         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8273         function.
8274         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8275         function.
8276         (Arm_relocate_functions::movw_abs_nc): New function.
8277         (Arm_relocate_functions::movt_abs): New function.
8278         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8279         (Arm_relocate_functions::thm_movt_abs): New function.
8280         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8281         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8282         (Scan::global): Likewise.
8283         (Relocate::relocate): Likewise.
8284         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8285
8286 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8287
8288         * arm.cc (Arm_relocate_functions::got_prel) New function.
8289         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8290         (Relocate::relocate): Likewise.
8291         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8292
8293 2009-10-06  Ian Lance Taylor  <iant@google.com>
8294
8295         * options.h (class General_options): Define
8296         split_stack_adjust_size parameter.
8297         * object.h (class Object): Add uses_split_stack_ and
8298         has_no_split_stack_ fields.  Add uses_split_stack and
8299         has_no_split_stack accessor functions.  Declare
8300         handle_split_stack_section.
8301         (class Reloc_symbol_changes): Define.
8302         (class Sized_relobj): Define Function_offsets.  Declare
8303         split_stack_adjust, split_stack_adjust_reltype, and
8304         find_functions.
8305         * object.cc (Object::handle_split_stack_section): New function.
8306         (Sized_relobj::do_layout): Call handle_split_stack_section.
8307         * dynobj.cc (Sized_dynobj::do_layout): Call
8308         handle_split_stack_section.
8309         * reloc.cc (Sized_relobj::relocate_sections): Call
8310         split_stack_adjust for executable sections in split_stack
8311         objects.  Pass reloc_map to relocate_section.
8312         (Sized_relobj::split_stack_adjust): New function.
8313         (Sized_relobj::split_stack_adjust_reltype): New function.
8314         (Sized_relobj::find_functions): New function.
8315         * target-reloc.h: Include "object.h".
8316         (relocate_section): Add reloc_symbol_changes parameter.  Change
8317         all callers.
8318         * target.h (class Target): Add calls_non_split method.  Declare
8319         do_calls_non_split virtual method.  Declare match_view and
8320         set_view_to_nop.
8321         * target.cc: Include "elfcpp.h".
8322         (Target::do_calls_non_split): New function.
8323         (Target::match_view): New function.
8324         (Target::set_view_to_nop): New function.
8325         * gold.cc (queue_middle_tasks): Give an error if mixing
8326         split-stack and non-split-stack objects with -r.
8327         * i386.cc (Target_i386::relocate_section): Add
8328         reloc_symbol_changes parameter.
8329         (Target_i386::do_calls_non_split): New function.
8330         * x86_64.cc (Target_x86_64::relocate_section): Add
8331         reloc_symbol_changes parameter.
8332         (Target_x86_64::do_calls_non_split): New function.
8333         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8334         parameter.
8335         * powerpc.cc (Target_powerpc::relocate_section): Add
8336         reloc_symbol_changes parameter.
8337         * sparc.cc (Target_sparc::relocate_section): Add
8338         reloc_symbol_changes parameter.
8339         * configure.ac: Call AM_CONDITIONAL for the default target.
8340         * configure: Rebuild.
8341         * testsuite/Makefile.am (TEST_AS): New variable.
8342         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8343         (check_DATA): Add split_i386 and split_x86_64 files.
8344         (SPLIT_DEFSYMS): Define.
8345         (split_i386_[1234n].o): New targets.
8346         (split_i386_[124]): New targets.
8347         (split_i386_[1234r].stdout): New targets.
8348         (split_x86_64_[1234n].o): New targets.
8349         (split_x86_64_[124]): New targets.
8350         (split_x86_64_[1234r].stdout): New targets.
8351         (MOSTLYCLEANFILES): Add new executables.
8352         * testsuite/split_i386.sh: New file.
8353         * testsuite/split_x86_64.sh: New file.
8354         * testsuite/split_i386_1.s: New file.
8355         * testsuite/split_i386_2.s: New file.
8356         * testsuite/split_i386_3.s: New file.
8357         * testsuite/split_i386_4.s: New file.
8358         * testsuite/split_i386_n.s: New file.
8359         * testsuite/split_x86_64_1.s: New file.
8360         * testsuite/split_x86_64_2.s: New file.
8361         * testsuite/split_x86_64_3.s: New file.
8362         * testsuite/split_x86_64_4.s: New file.
8363         * testsuite/split_x86_64_n.s: New file.
8364         * testsuite/testfile.cc (Target_test): Update relocation_section
8365         function.
8366         * testsuite/Makefile.in: Rebuild.
8367
8368 2009-10-06  Ian Lance Taylor  <iant@google.com>
8369
8370         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8371         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8372         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8373         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8374         the address on ldo_addrs_.
8375         (Target_i386::Relocate::fix_up_ldo): New function.
8376
8377 2009-10-06   Rafael Espindola  <espindola@google.com>
8378
8379         * plugin.cc (add_input_library): New.
8380         (Plugin::load): Add add_input_library to tv.
8381         (Plugin_manager::add_input_file): Add the is_lib argument.
8382         (add_input_file): Update call to Plugin_manager::add_input_file.
8383         (add_input_library): New.
8384         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8385
8386 2009-09-30  Doug Kwan  <dougkwan@google.com>
8387
8388         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8389         symbol and call Symbol::may_need_copy_reloc to determine if
8390         a copy reloc is needed.
8391         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8392         nocopyreloc is given in command line.
8393         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8394         given in command line.
8395         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8396         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8397         of the removed Target_i386::may_need_copy_reloc.
8398         * options.h (copyreloc): New option with default value false.
8399         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8400         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8401         instead of the removed Target_powerpc::may_need_copy_reloc.
8402         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8403         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8404         instead of the removed Target_sparc::may_need_copy_reloc.
8405         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8406         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8407         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8408         instead of the removed Target_x86_64::may_need_copy_reloc.
8409
8410 2009-09-30  Ian Lance Taylor  <iant@google.com>
8411
8412         * object.h (class Object): Remove target_ field, and target,
8413         sized_target, and set_target methods.
8414         (Object::sized_target): Remove.
8415         (class Sized_relobj): Update declarations.  Remove sized_target.
8416         * object.cc (Sized_relobj::setup): Remove target parameter.
8417         Change all callers.
8418         (Input_objects::add_object): Don't do anything with the target.
8419         (make_elf_sized_object): Add punconfigured parameter.  Change all
8420         callers.  Set or test parameter target.
8421         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8422         Change all callers.
8423         * parameters.cc (Parameters::set_target): Change parameter type to
8424         be non-const.
8425         (Parameters::default_target): Remove.
8426         (set_parameters_target): Change parameter type to be non-const.
8427         (parameters_force_valid_target): New function.
8428         (parameters_clear_target): New function.
8429         * parameters.h (class Parameters): Update declarations.  Remove
8430         default_target method.  Add sized_target and clear_target
8431         methods.  Change target_ to be non-const.
8432         (set_parameters_target): Update declaration.
8433         (parameters_force_valid_target): Declare.
8434         (parameters_clear_target): Declare.
8435         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8436         as NULL if we aren't searching.
8437         (Add_symbols::run): Don't check for compatible target.
8438         * fileread.cc (Input_file::open_binary): Call
8439         parameters_force_valid_target.
8440         * gold.cc (queue_middle_tasks): Likewise.
8441         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8442         set_target on object.
8443         * dynobj.h (class Sized_dynobj): Update declarations.
8444         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8445         make_elf_object returns NULL.
8446         (Archive::include_member): Don't check whether object target is
8447         compatible.
8448         * output.cc (Output_section::add_input_section): Get target from
8449         parameters.
8450         (Output_section::relax_input_section): Likewise.
8451         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8452         parameters.
8453         (Sized_relobj::do_scan_relocs): Likewise.
8454         (Sized_relobj::relocate_sections): Likewise.
8455         * resolve.cc (Symbol_table::resolve): Likewise.
8456         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8457         parameter.  Change all callers.
8458         (Symbol_table::add_from_object): Get target from parameters.
8459         (Symbol_table::add_from_relobj): Don't check object target.
8460         (Symbol_table::add_from_dynobj): Likewise.
8461         (Symbol_table::define_special_symbol): Get target from
8462         parameters.
8463         * symtab.h (class Symbol_table): Update declaration.
8464         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8465         parameter.  Change all callers.  Clear parameter target.
8466         (Binary_test): Test target here.
8467         * testsuite/object_unittest.cc (gold_testsuite): Remove
8468         target_test_pointer parameter.  Change all callers.
8469         (Object_test): Test target here.
8470
8471 2009-09-26  Ian Lance Taylor  <iant@google.com>
8472
8473         * testsuite/initpri1.c: Don't try to use constructor priorities if
8474         compiling with gcc before 4.3.
8475
8476 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8477
8478         * testsuite/retain_symbols_file_test.sh (check_present): Change
8479         output file name to retain_symbols_file_test.stdout.
8480         (check_absent): Likewise.
8481
8482 2009-09-18  Craig Silverstein  <csilvers@google.com>
8483
8484         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8485         * options.cc: Include <cerrno> and <fstream>.
8486         (General_options::finalize): Parse -retain-symbols-file tag.
8487         * options.h: New flag.
8488         (General_options): New method should_retain_symbol, new
8489         variable symbols_to_retain.
8490         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8491         should_retain_symbol map.
8492         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8493         * testsuite/Makefile.in: Regenerate.
8494         * testsuite/retain_symbols_file_test.sh: New file.
8495
8496 2009-09-18  Nick Clifton  <nickc@redhat.com>
8497
8498         * po/es.po: Updated Spanish translation.
8499
8500 2009-09-17  Doug Kwan  <dougkwan@google.com>
8501
8502         * debug.h (DEBUG_RELAXATION): New constant.
8503         (DEBUG_ALL): Add DEBUG_RELAXATION.
8504         (debug_string_to_enum): Add relaxation debug option.
8505         * layout.cc
8506         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8507         Layout::Relaxation_debug_check::read_sections,
8508         Layout::Relaxation_debug_check::read_sections): New method definitions.
8509         (Layout::Layout): Initialize data members
8510         record_output_section_data_from_scrips_,
8511         script_output_section_data_list_ and relaxation_debug_check_.
8512         (Layout::save_segments, Layout::restore_segments,
8513         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8514         Layout::relaxation_loop_body): New method definitions.
8515         (Layout::finalize): Support relaxation.  Move section layout code to
8516         Layout::relaxation_loop_body.
8517         (Layout::set_asection_address_from_script): Move code for orphan
8518         section placement out.
8519         (Layout::place_orphan_sections_in_script): New method definition.
8520         * layout.h (Output_segment_headers, Output_file_header):
8521         New forward class declarations.
8522         (Layout::~Layout): Define.
8523         (Layout::new_output_section_data_from_script): New method definition.
8524         (Layout::place_orphan_sections_in_script): New method declaration.
8525         (Layout::Segment_states): New type declaration.
8526         (Layout::save_segments, Layout::restore_segments,
8527         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8528         Layout::relaxation_loop_body): New method declarations.
8529         (Layout::Output_section_data_list): New type declaration.
8530         (Layout::Relaxation_debug_check): New class definition.
8531         (Layout::record_output_section_data_from_script_,
8532         Layout::script_output_section_data_list_, Layout::segment_states_,
8533         Layout::relaxation_debug_check_): New data members.
8534         * output.cc: (Output_section_headers::do_size): New method definition.
8535         (Output_section_headers::Output_section_headers): Move size
8536         computation to Output_section_headers::do_size.
8537         (Output_segment_headers::do_size): New method definition.
8538         (Output_file_header::Output_file_header): Move size computation to
8539         Output_file_header::do_size and call it.
8540         (Output_file_header::do_size): New method definition.
8541         (Output_data_group::Output_data_group): Adjust call to
8542         Output_section_data.
8543         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8544         (Output_symtab_xindex::do_write): Add array bound check.
8545         (Output_section::Input_section::print_to_mapfile): Handle
8546         RELAXED_INPUT_SECTION_CODE.
8547         (Output_section::Output_section): Initialize data member checkpoint_.
8548         (Output_section::~Output_section): Delete checkpoint object pointed
8549         by checkpoint_.
8550         (Output_section::add_input_section): Always add an Input_section if
8551         relaxing.
8552         (Output_section::add_merge_input_section): Add assert.
8553         (Output_section::relax_input_section): New method definition.
8554         (Output_section::set_final_data_size): Set load address to zero for
8555         an unallocated section.
8556         (Output_section::do_address_and_file_offset_have_reset_values):
8557         New method definition.
8558         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8559         Handle relaxed input section.
8560         (Output_section::sort_attached_input_sections): Checkpoint input
8561         section list lazily.
8562         (Output_section::get_input_sections): Change type of input_sections to
8563         list of Simple_input_section pointers.  Checkpoint input section list
8564         lazily.  Also handle relaxed input sections.
8565         (Output_section::add_input_section_for_script): Take a reference to
8566         a Simple_input_section object instead of Relobj pointer and section
8567         index as parameter.  Handle relaxed input sections.
8568         (Output_section::save_states, Output_section::restore_states): New
8569         method definitions.
8570         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8571         (Output_data::is_data_size_fixed): New method definition.
8572         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8573         if it is fixed.
8574         (Output_data::address_and_file_offset_have_reset_values): New method
8575         definition.
8576         (Output_data::do_address_and_file_offset_have_reset_values): New method
8577         definition.
8578         (Output_data::set_data_size): Check that data size is not fixed.
8579         (Output_data::fix_data_size): New method definition.
8580         (Output_data::is_data_size_fixed_): New data member.
8581         (Output_section_headers::set_final_data_size): New method definition.
8582         (Output_section_headers::do_size): New method declaration.
8583         (Output_segment_headers::set_final_data_size): New method definition.
8584         (Output_segment_headers::do_size): New method declaration.
8585         (Output_file_header::set_final_data_size)::New method definition.
8586         (Output_file_header::do_size)::New method declaration.
8587         (Output_section_data::Output_section_data): Add new parameter
8588         is_data_size_fixed and use it to fix data size.
8589         (Output_data_const::Output_data_const): Adjust call to base class
8590         constructor and fix data size.
8591         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8592         base class constructor and fix data size.
8593         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8594         base class constructor and fix data size.
8595         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8596         class constructor and fix data size.
8597         (Output_data_group::set_final_data_size): New method definition.
8598         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8599         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8600         class constructor and fix data size.
8601         (Output_relaxed_input_section): New class definition.
8602         (Output_section::Simple_input_section): New class definition.
8603         (Output_section::get_input_sections): Adjust parameter list.
8604         (Output_section::add_input_section_for_script): Same.
8605         (Output_section::save_states, Output_section::restore_states,
8606         Output_section::do_address_and_file_offset_have_reset_values,
8607         (Output_section::Input_section::Input_section): Handle
8608         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8609         Output_relaxed_input_section.
8610         (Output_section::Input_section::is_input_section,
8611         Output_section::Input_section::set_output_section): Handle relaxed
8612         input section.
8613         (Output_section::Input_section::is_relaxed_input_section,
8614         Output_section::Input_section::output_section_data,
8615         Output_section::Input_section::relaxed_input_section): New method
8616         definitions.
8617         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8618         value.
8619         (Output_section::Input_section::u1_): Update comments.
8620         (Output_section::Input_section::u2_): Add new union member poris.
8621         (Output_section::Checkpoint_output_section): New classs definition.
8622         (Output_section::relax_input_section): New method declaration.
8623         (Output_section::checkpoint_): New data member.
8624         (Output_segment): Update comments.
8625         (Output_segment::Output_segment): Un-privatize copy constructor.
8626         (Output_segment::operator=): Un-privatize.
8627         * script-sections.cc (Output_section_element::Input_section_list):
8628         Change element type to Output_section::Simple_input_section.
8629         (Output_section_element_dot_assignment::set_section_addresses):
8630         Register output section data for relaxation clean up.
8631         (Output_data_exression::Output_data_expression): Adjust call to base
8632         constructor to fix data size.
8633         (Output_section_element_data::set_section_addresses): Register
8634         Output_data_expression object for relaxation clean up.
8635         (struct Input_section_info): Replace Relobj pointer and section index
8636         pair with Output_section::Simple_input_section and Convert struct to a
8637         class.
8638         (Input_section_sorter::operator()): Adjust access to
8639         Input_section_info data member to use accessors.
8640         (Output_section_element_input::set_section_addresses): Use layout
8641         parameter.  Adjust code to use Output_section::Simple_input_section
8642         and Input_secction_info classes.  Register filler for relaxation
8643         clean up.
8644         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8645         and section index pair with Output_section::Simple_input_section
8646         class.  Adjust code accordingly.
8647         (Phdrs_element::release_segment): New method definition.
8648         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8649         segment list.
8650         (Script_sections::release_segments): New method definition.
8651         * gold/script-sections.h (Script_sections::release_segments): New
8652         method declaration.
8653         * gold/target.h (Target::may_relax, Target::relax,
8654         Target::do_may_relax, Target::do_relax): New method definitions.
8655
8656 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8657
8658         * arm.cc (has_signed_unsigned_overflow): New function.
8659         (Arm_relocate_functions::abs8): New function.
8660         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8661         (Target_arm::Scan::global): Likewise.
8662         (Target_arm::relocate::relocate): Likewise.
8663         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8664         Likewise.
8665
8666 2009-09-16  Cary Coutant  <ccoutant@google.com>
8667
8668         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8669         * testsuite/Makefile.in: Regenerate.
8670
8671 2009-09-11  Nick Clifton  <nickc@redhat.com>
8672
8673         * po/gold.pot: Updated by the Translation project.
8674
8675 2009-09-08  Cary Coutant  <ccoutant@google.com>
8676
8677         * output.cc (Output_file::open): Add execute permission to empty file.
8678         * testsuite/Makefile.am (permission_test): New test.
8679         * testsuite/Makefile.in: Regenerate.
8680
8681 2009-09-02  Ian Lance Taylor  <iant@google.com>
8682
8683         * output.cc (Output_file::resize): Call map_no_anonymous rather
8684         than map.
8685
8686 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8687
8688         * gold.cc: Include "incremental.h".
8689         (queue_initial_tasks): Call Incremental_checker methods.
8690         * incremental.cc: Include "output.h".
8691         (Incremental_checker::can_incrementally_link_output_file): New
8692         method.
8693         * incremental.h (Incremental_checker): New class.
8694
8695         * output.cc (Output_file::open_for_modification): New method.
8696         (Output_file::map_anonymous): Changed return type to bool.  Record
8697         map in base_ field.
8698         (Output_file::map_no_anonymous): New method, broken out of map.
8699         (Output_file::map): Use map_no_anonymous and map_anonymous.
8700         * output.h (class Output_file): Update declarations.
8701
8702 2009-08-24  Cary Coutant  <ccoutant@google.com>
8703
8704         * options.h (Command_line::Pre_options): New class.
8705         (Command_line::pre_options): New member.
8706         * options.cc (gold::options::ready_to_register): New variable.
8707         (One_option::register_option): Do nothing if not registering options.
8708         Assert if same short option registered twice.
8709         (General_options::General_options): Turn off option registration when
8710         done constructing.
8711         (Command_line::Pre_options::Pre_options): New constructor.
8712
8713 2009-08-24  Cary Coutant  <ccoutant@google.com>
8714
8715         * options.h (General_options::no_keep_memory): Remove incorrect
8716         short option.
8717
8718 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8719
8720         * Makefile.am (am__skiplex, am__skipyacc): New.
8721         * Makefile.in: Regenerate.
8722
8723 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8724
8725         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8726         (INCLUDES): ... this.
8727         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8728         (AM_CPPFLAGS): Renamed from ...
8729         (INCLUDE): ... this.
8730         * Makefile.in, testsuite/Makefile.in: Regenerate.
8731
8732         * Makefile.in: Regenerate.
8733         * aclocal.m4: Likewise.
8734         * config.in: Likewise.
8735         * configure: Likewise.
8736         * testsuite/Makefile.in: Likewise.
8737
8738         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8739         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8740         * Makefile.in: Regenerate.
8741         * testsuite/Makefile.in: Regenerate.
8742
8743 2009-08-19  Cary Coutant  <ccoutant@google.com>
8744
8745         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8746         symbols in shared libraries overridden by hidden or internal symbols
8747         in the main program.
8748
8749 2009-08-19  Chris Demetriou  <cgd@google.com>
8750
8751         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8752         checking source file names in error messages.
8753
8754 2009-08-18  Doug Kwan  <dougkwan@google.com>
8755
8756         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8757         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8758         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8759         an elfcpp::Ehdr as parameter.
8760         * object.cc (Object::set_target): Remove the version that looks up
8761         a target and sets it.
8762         (Sized_relobj::setup): Take a Target object instead of
8763         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8764         (make_elf_sized_object): Find target and ask target to
8765         make an ELF object.
8766         * object.h: (Object::set_target): Remove the version that looks up
8767         a target and sets it.
8768         (Sized_relobj::setup): Take a Target object instead of
8769         an elfcpp:Ehdr as parameter.
8770         * target.cc: Include dynobj.h.
8771         (Target::do_make_elf_object_implementation): New.
8772         (Target::do_make_elf_object): New.
8773         * target.h (Target::make_elf_object): New template declaration.
8774         (Target::do_make_elf_object): New method declarations.
8775         (Target::do_make_elf_object_implementation): New template declaration.
8776
8777 2009-08-14  Ian Lance Taylor  <iant@google.com>
8778
8779         * gold.h (FUNCTION_NAME): Define.
8780         (gold_unreachable): Use FUNCTION_NAME.
8781
8782 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8783
8784         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8785         symbol in the --keep-unique list is not found.
8786
8787 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8788
8789         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8790         been maked as --keep-unique.
8791         (Icf::unfold_section): New function.
8792         * icf.h (Icf::unfold_section): New function.
8793         * options.h (General_options::keep_unique): New option.
8794         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8795         * testsuite/Makefile.in: Regenerate.
8796         * testsuite/icf_keep_unique_test.sh: New file.
8797         * testsuite/icf_keep_unique_test.cc: New file.
8798
8799 2009-08-12  Cary Coutant  <ccoutant@google.com>
8800
8801         PR 10471
8802         * resolve.cc (Symbol_table::resolve): Check for references from
8803         dynamic objects to hidden and internal symbols.
8804         * testsuite/Makefile.am (hidden_test.sh): New test.
8805         * testsuite/Makefile.in: Regenerate.
8806         * testsuite/hidden_test.sh: New script.
8807         * testsuite/hidden_test_1.c: New test source.
8808         * testsuite/hidden_test_main.c: New test source.
8809
8810 2009-08-11  Doug Kwan  <dougkwan@google.com>
8811
8812         * arm.cc: Update comments.
8813         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8814         segment to locate the .ARM.exidx section if present.
8815
8816 2009-08-09  Doug Kwan  <dougkwan@google.com>
8817
8818         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8819         patch.
8820
8821 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8822         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8823         compiler warnings.
8824
8825 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8826
8827         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8828         valid tls_segment only for non-debug-section relocations.
8829         * testsuite/Makefile.am: Add gc_tls_test.
8830         * testsuite/Makefile.in: Regenerate.
8831         * testsuite/gc_tls_test.cc: New file.
8832         * testsuite/gc_tls_test.sh: New file.
8833
8834 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8835
8836         * icf.cc: New file.
8837         * icf.h: New file.
8838         * Makefile.am (CCFILES): Add icf.cc.
8839         (HFILES): Add icf.h
8840         * Makefile.in: Regenerate.
8841         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8842         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8843         section, symbol and addend information for the relocs.
8844         * gold.cc (queue_middle_tasks): Call identical code folding.
8845         * gold.h: Add defines for multimap.
8846         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8847         to the call of finalize_local_symbols.
8848         * main.cc (main): Create object of class Icf.
8849         * object.cc (Sized_relobj::do_layout): Allow this function to be
8850         called twice during icf.
8851         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8852         to sections marked as identical by icf.
8853         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8854         when available.
8855         (Sized_relobj::do_section_entsize): New function.
8856         * object.h (Object::section_entsize): New function.
8857         (Object::do_section_entsize): New pure virtual function.
8858         (Relobj::finalize_local_symbols): Add new parameter.
8859         (Relobj::do_section_entsize): New function.
8860         * options.h (General_options::icf): New option.
8861         (General_options::icf_iterations): New option.
8862         (General_options::print_icf_sections): New option.
8863         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8864         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8865         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8866         icf.
8867         * symtab.cc (Symbol_table::is_section_folded): New function.
8868         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8869         to sections marked as identical by icf.
8870         * symtab.h (Symbol_table::set_icf): New function.
8871         (Symbol_table::icf): New function.
8872         (Symbol_table::is_section_folded): New function.
8873         (Symbol_table::icf_): New data member.
8874         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8875         * testsuite/Makefile.am: Add commands to build icf_test.
8876         * testsuite/Makefile.in: Regenerate.
8877         * testsuite/icf_test.sh: New file.
8878         * testsuite/icf_test.cc: New file.
8879
8880 2009-07-24  Chris Demetriou  <cgd@google.com>
8881
8882         * layout.cc (is_compressible_debug_section): Fix incorrect
8883         comment about compressed section names.
8884
8885 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8886
8887         PR 10419
8888         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8889
8890 2009-07-16  Ian Lance Taylor  <iant@google.com>
8891
8892         PR 10400
8893         * layout.h: #include <map>.
8894         (class Kept_section): Change from struct to class.  Add accessors
8895         and setters.  Add section size to Comdat_group mapping.  Change
8896         Comdat_group to std::map.  Add is_comdat_ field.  Add
8897         linkonce_size field in union.
8898         (class Layout): Update declaration of find_or_add_kept_section.
8899         Don't declare find_kept_object.
8900         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8901         parameter.  Add object, shndx, is_comdat, and is_group_name
8902         parameters.  Change all callers.  Adjust for new Kept_section.
8903         (Layout::find_kept_object): Remove.
8904         * object.cc (Sized_relobj::include_section_group): Update use of
8905         Kept_section.  Rename secnum to shndx.  Only record
8906         Kept_comdat_section if sections are the same size.
8907         (Sized_relobj::include_linkonce_section): Update use of
8908         Kept_section.  Only record Kept_comdat_section if sections are the
8909         same size.  Set size of linkonce section.
8910         (Sized_relobj::map_to_kept_section): Update call to
8911         get_kept_comdat_section.
8912         * object.h (class Sized_relobj): Rename fields in
8913         Kept_comdat_section to drop trailing underscores; change object
8914         field to Relobj*.  Change Kept_comdat_section_table to store
8915         struct rather than pointer.
8916         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8917         Add kept_object and kept_shndx parameters.  Change all callers.
8918         (Sized_relobj::get_kept_comdat_section): Change return type to
8919         bool.  Add kept_object and kept_shndx parameters.  Change all
8920         callers.
8921         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8922         Layout::find_or_add_kept_section.
8923
8924 2009-07-09  Ian Lance Taylor  <iant@google.com>
8925
8926         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8927         Reserve space in the hash table.
8928
8929 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8930
8931         * fileread.cc (File_read::get_mtime): New method.
8932         * fileread.h (Timespec): New structure.
8933         (File_read::get_mtime): New method.
8934         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8935         Renamed from timestamp_nsec.
8936         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8937         Elf_Xword.
8938         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8939         timestamp_nsec.
8940         (Incremental_inputs::report_archive): Save mtime; style fix.
8941         (Incremental_inputs::report_obejct): Save mtime; style fix.
8942         (Incremental_inputs::report_script): Save mtime; style fix.
8943         (Incremental_inputs::finalize_inputs): Style fix.
8944         (Incremental_inputs::finalize): Style fix.
8945         (Incremental_inputs::create_input_section_data): Store inputs
8946         mtime.
8947         * incremental.h (Incremental_inputs::report_script): Add mtime
8948         argument.
8949         (Incremental_inputs::Input_info::Input_info): Intialize only one
8950         union member.
8951         (Incremental_inputs::Input_info::archive): Move to nameless
8952         union.
8953         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8954         (Incremental_inputs::Input_info::script): Move to nameless union.
8955         (Incremental_inputs::mtime): New field.
8956         * script.cc (read_input_script): Pass file mtime to
8957         Incremental_input.
8958         * script.h (Script_info::inputs): Style fix.
8959
8960 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8961
8962         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8963         instead of 32.
8964
8965 2009-06-24  Ian Lance Taylor  <iant@google.com>
8966
8967         PR 10156
8968         * layout.cc (Layout::choose_output_section): If we find an
8969         existing section, update the flags.
8970         (Layout::create_notes): New function, broken out of
8971         Layout::finalize.
8972         (Layout::finalize): Don't create note sections.
8973         (Layout::create_note): Don't crash if linker script discards
8974         section.
8975         (Layout::create_gold_note): Likewise.
8976         (Layout::create_build_id): Likewise.  Don't set
8977         after_input_sections on the section.
8978         (Layout::create_executable_stack_info): Remove target parameter.
8979         Change caller.
8980         * layout.h (class Layout): Declare create_notes.  Update
8981         declaration of create_executable_stack_info.
8982         * gold.cc (queue_middle_tasks): Call create_notes.
8983         * output.cc (Output_section::update_flags_for_input_section): Move
8984         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8985         invalid.
8986         * output.h (Output_data::mark_address_invalid): New function.
8987         (class Output_section): Only declare, not define,
8988         update_flags_for_input_section.  Remove set_flags.
8989
8990 2009-06-24  Ian Lance Taylor  <iant@google.com>
8991
8992         * script-sections.cc (Output_section_definition::
8993         set_section_addresses): Rename shadowing local load_address to
8994         laddr.
8995
8996 2009-06-24  Ian Lance Taylor  <iant@google.com>
8997
8998         PR 10244
8999         * reloc.cc (relocate_sections): Skip empty relocation sections.
9000
9001 2009-06-23  Ian Lance Taylor  <iant@google.com>
9002
9003         PR 10156
9004         * layout.cc (Layout::create_note): Use choose_output_section
9005         rather than make_output_section.
9006
9007 2009-06-23  Ian Lance Taylor  <iant@google.com>
9008
9009         PR 10237
9010         * options.cc (General_options::parse_V): Set printed_version_.
9011         (General_options::General_options): Initialize printed_version_.
9012         * options.h (class General_options): Add printed_version_ field.
9013         * gold.cc (queue_initial_tasks): If there are no input files,
9014         don't give a fatal error if we printed the version information.
9015         (queue_middle_tasks): If using -r with a shared object, give a
9016         fatal error rather than an ordinary error.
9017
9018 2009-06-23  Ian Lance Taylor  <iant@google.com>
9019
9020         PR 10219
9021         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9022         (Layout::make_output_section): Set have_stabstr_section_ if we see
9023         a .stab*str section.
9024         (Layout::finalize): Call link_stabs_sections.
9025         (Layout::link_stabs_sections): New file.
9026         * layout.h (class Layout): Add have_stabstr_section_ field.
9027         Declare link_stabs_sections.
9028
9029 2009-06-23  Doug Kwan  <dougkwan@google.com>
9030
9031         * Makefile.am (libgold_a_LIBADD): New.
9032         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9033         * Makefile.in: Regenerate.
9034         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9035         * configure: Regenerate.
9036         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9037         * fileread.cc: Include sys/state.h
9038         * gold.h: Declare memmem and strndup if found missing.
9039         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9040
9041 2009-06-23  Ian Lance Taylor  <iant@google.com>
9042
9043         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9044         * configure: Rebuild.
9045
9046 2009-06-23  Ian Lance Taylor  <iant@google.com>
9047
9048         PR 10147
9049         * object.cc (Object::section_contents): Don't try to get a view if
9050         the section has length zero.
9051         (Object::handle_gnu_warning_section): If the section is empty, use
9052         the name of the section as the warning.
9053
9054 2009-06-23  Ian Lance Taylor  <iant@google.com>
9055
9056         PR 10133
9057         * stringpool.h (class Stringpool_template): Add optimize_ field.
9058         (Stringpool_template::set_optimize): New function.
9059         * stringpool.cc (Stringpool_template::Stringpool_template):
9060         Initialize optimize_ field.
9061         (Stringpool_template::set_string_offsets): Test local optimize
9062         fild rather than parameter.
9063         * layout.cc (Layout::Layout): Call set_optimize on the section
9064         name stringpool.
9065
9066 2009-06-22  Ian Lance Taylor  <iant@google.com>
9067
9068         PR 10030
9069         * yyscript.y: Parse TARGET.
9070         * script.cc (script_set_target): New function.
9071         * script-c.h (script_set_target): Declare.
9072         * options.cc (General_options::string_to_object_format): Rename
9073         from string_to_object_format in anonymous namespace.  Change
9074         callers.
9075         * options.h (class General_options): Declare
9076         string_to_object_format.
9077
9078 2009-06-22  Ian Lance Taylor  <iant@google.com>
9079
9080         * script-sections.cc (Script_sections::create_segments): Don't put
9081         program headers in a PT_LOAD segment if -n or -N.
9082
9083 2009-06-22  Ian Lance Taylor  <iant@google.com>
9084
9085         PR 10141
9086         * options.h (class General_options): Add -z lazy and -z now.  Sort
9087         -z options into alphabetical order.
9088         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9089
9090 2009-06-21  Ian Lance Taylor  <iant@google.com>
9091
9092         * layout.cc (Layout::make_output_section): Call
9093         Target::new_output_section.
9094         (Layout::attach_allocated_section_to_segment): Put large section
9095         sections in a separate load segment with the large segment flag
9096         set.
9097         (Layout::segment_precedes): Sort large data segments after other
9098         load segments.
9099         (align_file_offset): New static function.
9100         (Layout::set_segment_offsets): Use align_file_offset.
9101         * output.h (class Output_section): Add is_small_section_ and
9102         is_large_section_ fields.
9103         (Output_section::is_small_section): New function.
9104         (Output_section::set_is_small_section):  New function.
9105         (Output_section::is_large_section): New function.
9106         (Output_section::set_is_large_section): New function.
9107         (Output_section::is_large_data_section): New function.
9108         (class Output_segment): Add is_large_data_segment_ field.
9109         (Output_segment::is_large_data_segment): New function.
9110         (Output_segment::set_is_large_data_segment): New function.
9111         * output.cc (Output_section::Output_section): Initialize new
9112         fields.
9113         (Output_segment::Output_segment): Likewise.
9114         (Output_segment::add_output_section): Add assertion that large
9115         data sections always go in large data segments.  Force small data
9116         sections to the end of the list of data sections.  Force small BSS
9117         sections to the start of the list of BSS sections.  For large BSS
9118         sections to the end of the list of BSS sections.
9119         * symtab.h (class Symbol): Declare is_common_shndx.
9120         (Symbol::is_defined): Check Symbol::is_common_shndx.
9121         (Symbol::is_common): Likewise.
9122         (class Symbol_table): Define enum Commons_section_type.  Update
9123         declarations.  Add small_commons_ and large_commons_ fields.
9124         * symtab.cc (Symbol::is_common_shndx): New function.
9125         (Symbol_table::Symbol_table): Initialize new fields.
9126         (Symbol_table::add_from_object): Put small and large common
9127         symbols in the right list.
9128         (Symbol_table::sized_finalized_symbol): Check
9129         Symbol::is_common_shndx.
9130         (Symbol_table::sized_write_globals): Likewise.
9131         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9132         common symbol lists.  Don't call do_allocate_commons_list if the
9133         list is empty.
9134         (Symbol_table::do_allocate_commons_list): Remove is_tls
9135         parameter.  Add comons_section_type parameter.  Change all
9136         callers.  Handle small and large common symbols.
9137         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9138         Symbol::is_common_shndx.
9139         * resolve.cc (symbol_to_bits): Likewise.
9140         * target.h (Target::small_common_shndx): New function.
9141         (Target::small_common_section_flags): New function.
9142         (Target::large_common_shndx): New function.
9143         (Target::large_common_section_flags): New function.
9144         (Target::new_output_section): New function.
9145         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9146         small_common_section_flags, and large_common_section_flags
9147         fields.
9148         (Target::do_new_output_section): New virtual function.
9149         * arm.cc (Target_arm::arm_info): Initialize new fields.
9150         * i386.cc (Target_i386::i386_info): Likewise.
9151         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9152         Likewise.
9153         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9154         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9155         (Target_x86_64::do_new_output_section): New function.
9156         * configure.ac: Define conditional MCMODEL_MEDIUM.
9157         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9158         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9159         (large_LDFLAGS): Define.
9160         * testsuite/large.c: New file.
9161         * testsuite/testfile.cc (Target_test::test_target_info):
9162         Initialize new fields.
9163         * configure, testsuite/Makefile.in: Rebuild.
9164
9165 2009-06-05  Doug Kwan  <dougkwan@google.com>
9166
9167         * Makefile.am (CCFILES): Add target.cc.
9168         * Makefile.in: Regenerate.
9169         * i386.cc (class Target_i386): Define new virtual method to
9170         override do_is_local_label_name in parent.
9171         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9172         local symbols if --discard-locals or -X is given.
9173         * options.h (class General_options): Declare new options
9174         '--discard-locals' and '-X' for discarding locals.
9175         * target.h (class Target): Define new methods is_local_label_name.
9176         Declare new virtual method do_is_local_label_name.
9177         * target.cc: New file.
9178         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9179         (check_SCRIPTS): Add discard_locals_test.sh.
9180         (check_DATA): Add discard_local_tests.syms.
9181         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9182         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9183         * testsuite/Makefile.in: Regenerate.
9184         * testsuite/discard_locals_test.c: New file.
9185         * testsuite/discard_locals_test.sh: Same.
9186
9187 2009-06-05  Doug Kwan  <dougkwan@google.com>
9188
9189         * object.cc (Sized_relobj::Sized_relobj): Initialize
9190         discarded_eh_frame_shndx_ to -1U.
9191         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9192         section.
9193         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9194         a discarded .eh_frame section.
9195         (Sized_relobj::do_finalize_local_symbols): Ditto.
9196         * object.h (class Sized_relobj): Declare new member
9197         discarded_eh_frame_shndx_.
9198         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9199         (local_labels_test.o, local_labels_test): New rules.
9200         * testsuite/Makefile.in: Regenerate.
9201
9202 2009-06-04  Doug Kwan  <dougkwan@google.com>
9203
9204         * layout.cc (Layout::section_name_mapping): Add mapping for
9205         special ARM sections.
9206
9207 2009-06-03  Doug Kwan  <dougkwan@google.com>
9208
9209         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9210         (utils::has_overflow): Same.
9211
9212 2009-06-03  Ian Lance Taylor  <iant@google.com>
9213
9214         * layout.cc (Layout::section_name_mapping): New array, replacing
9215         Layout::linkonce_mapping.
9216         (Layout::section_name_mapping_count): New variable, replacing
9217         Layout::linkonce_mapping_count.
9218         (Layout::linkonce_output_name): Remove.
9219         (Layout::output_section_name): Rewrite.
9220         * layout.h (class Layout): Rename Linkonce_mapping to
9221         Section_name_mapping, linkonce_mapping to section_name_mapping,
9222         linkonce_mapping_count to section_name_mapping_count.  Don't
9223         declare linkonce_output_name.
9224
9225 2009-06-03  Doug Kwan  <dougkwan@google.com>
9226
9227         * gold/arm.cc (namespace utils): New.
9228         (Target_arm::reloc_is_non_pic): Define new method.
9229         (class Arm_relocate_functions): New.
9230         (Target_arm::Relocate::relocate): Handle relocation types used by
9231         Android.
9232
9233 2009-06-03  Ian Lance Taylor  <iant@google.com>
9234
9235         * arm.cc (Target_arm::scan::global): Use || instead of |.
9236
9237 2009-06-02  Doug Kwan  <dougkwan@google.com>
9238
9239         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9240         issued_non_pic_error_.
9241         (class Target_arm::Scan): Declare new method check_non_pic.
9242         Define new method symbol_needs_plt_entry.
9243         Declare new data member issued_non_pic_error_.
9244         (class Target_arm::Relocate): Declare new method
9245         should_apply_static_reloc.
9246         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9247         (Target_arm::Scan::check_non_pic): Define new method.
9248         (Target_arm::Scan::local): Handle a small subset of reloc types used
9249         by Android.
9250         (Target_arm::Scan::local): Same.
9251         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9252
9253 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9254
9255         * incremental.cc (Incremental_inputs::report_command_line): Filter
9256         out --incremental-* options.
9257
9258 2009-05-29  Doug Kwan  <dougkwan@google.com>
9259
9260         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9261         template class.
9262         (class Target_arm): Update comment.
9263         (Target_arm::Target_arm): Initialize new data members GOT_,
9264         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9265         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9266         and Target_arm::rel_dyn_section.
9267         Declare new_enum Target_arm::Got_type.
9268         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9269         and DYNBSS_.
9270         Update commments for member do_dynsym_value.
9271         (Target_arm::got_size, Target_arm::plt_section,
9272         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9273         new methods inside class defintion.
9274         (Target_arm::got_section): Define new method.
9275         (Target_arm::rel_dyn_section): Same.
9276         (Output_data_plt_arm): New template class.
9277         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9278         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9279         (Output_data_plt_arm::add_entry): Same.
9280         (Output_data_plt_arm::first_plt_entry): Define new
9281         static data member for PLT instruction template.
9282         (Output_data_plt_arm::plt_entry): Same.
9283         (Output_data_plt_arm::do_write): Define new method.
9284         (Target_arm::make_plt_entry): Same.
9285         (Target_arm::do_finalize_sections): Same.
9286         (Target_arm::do_dynsym_value): Same.
9287
9288 2009-05-28  Doug Kwan  <dougkwan@google.com>
9289
9290         * Makefile.am (TARGETSOURCES): Add arm.cc.
9291         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9292         * Makefile.in: Regenerate.
9293         * arm.cc: New file.
9294         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9295
9296 2009-05-26  Doug Kwan  <dougkwan@google.com>
9297
9298         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9299         (General_options::check_excluded_libs): Strip off directories in
9300         archive name before matching like GNU ld does.
9301         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9302         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9303         (exclude_libs_test_LDFLAGS): Add linker option
9304         -Wl,--exclude-libs,libexclude_libs_test_3
9305         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9306         an explicit archive without using -l.
9307         (alt/libexclude_libs_test_3.a): New make rule.
9308         * testsuite/Makefile.in: Regenerate.
9309         * testsuite/exclude_libs_test.c : Declare lib3_default().
9310         (main): Call it.
9311         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9312         * exclude_libs_test_3.c: New file.
9313
9314 2009-05-26  Nick Clifton  <nickc@redhat.com>
9315
9316         * po/id.po: New Indonesian translation.
9317         * po/gold.pot: Updated template file.
9318
9319 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9320
9321         * testsuite/Makefile.am: Add -ffunction-sections to compile
9322         gc_comdat_test files.  Add -Wl,--gc-sections to build
9323         gc_comdat_test.
9324         * testsuite/Makefile.in: Regenerate.
9325         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9326
9327 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9328
9329         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9330         kept comdat section was garbage collected.
9331         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9332         * testsuite/Makefile.in: Regenerate.
9333         * testsuite/gc_comdat_test.sh: New file.
9334         * testsuite/gc_comdat_test_1.cc: New file.
9335         * testsuite/gc_comdat_test_2.cc: New file.
9336
9337 2009-05-19  Doug Kwan  <dougkwan@google.com>
9338
9339         * archive.cc (Archive::Archive): Move constructor from archive.h
9340         to here.  Initialize no_export_.
9341         (Archive::get_elf_object_for_member): Set no_export flag of object.
9342         * archive.h (Archive::Archive): Move constructor body to
9343         archive.cc.
9344         (Archive::no_export): New method.
9345         (Archive::no_export_): New field.
9346         * object.h (Object::Object): Initialize no_export_ to false.
9347         (Object::no_export, Object::set_no_export): New methods.
9348         (Object::no_export_): New field.
9349         * options.cc (General_options::parse_exclude_libs): New method.
9350         (General_options::check_excluded_libs) Same.
9351         * options.h (exclude_libs): New option.
9352         (General_options::check_excluded_libs): New method declaration.
9353         (General_options::excluded_libs_): New field.
9354         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9355         default or protected visibility if an object has no-export flag set.
9356         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9357         (check_SCRIPTS): Add exclude_libs_test.sh.
9358         (check_DATA): Add exclude_libs_test.syms.
9359         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9360         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9361         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9362         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9363         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9364         libexclude_libs_test_2.a): New rules.
9365         * testsuite/Makefile.in: Regenerate.
9366         * testsuite/exclude_libs_test.c: New file.
9367         * testsuite/exclude_libs_test.sh: Ditto.
9368         * testsuite/exclude_libs_test_1.c: Ditto.
9369         * testsuite/exclude_libs_test_2.c: Ditto.
9370
9371 2009-05-15  Ian Lance Taylor  <iant@google.com>
9372
9373         * configure.ac: Check for declarations for cases where libiberty.h
9374         checks HAVE_DECL_xxx.
9375         * configure, config.in: Rebuild.
9376
9377 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9378
9379         * gold.h (Incremental_argument_list): Remove (invalid) forward
9380         declaration.
9381         * incremental.cc (Incremental_inputs::report_achive): New method.
9382         (Incremental_inputs::report_object): New method.
9383         (Incremental_inputs::report_script): New method.
9384         (Incremental_inputs::finalize_inputs): New method.
9385         (Incremental_inputs::finalize): Call finalize_inputs().
9386         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9387         Create inputs entries.
9388         * incremental.h (Incremental_input_type): New enum.
9389         (Incremental_inputs::Incremental_input): Initialize new fields.
9390         (Incremental_inputs::report_inputs): New method.
9391         (Incremental_inputs::report_achive): New method.
9392         (Incremental_inputs::report_object): New method.
9393         (Incremental_inputs::report_script): New method.
9394         (Incremental_inputs::finalize_inputs): New method.
9395         (Incremental_inputs::Input_info): New struct.
9396         (Incremental_inputs::Input_info_map): New typedef.
9397         (Incremental_inputs::lock_): New field.
9398         (Incremental_inputs::Inputs_): New field.
9399         (Incremental_inputs::Inputs_map): New field.
9400         * main.cc (main): Call Incremental_input::report_inputs.
9401         * options.h (Input_argument_list): Typedef moved from
9402         Input_arguments.
9403         (Input_file_group::Files): Remove, use ::Input_argument_list.
9404         (Input_file_group::Input_argument_list): Remove, use
9405         ::Input_argument_list.
9406         * plugin.cc (Plugin_manager::add_input_file): Add error in
9407         incremental build.
9408         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9409         functions.
9410         * script.cc (read_input_script): Call
9411         Incremental_input::report_script.
9412         * script.h (Script_info): New class.
9413
9414 2009-04-27  Ian Lance Taylor  <iant@google.com>
9415
9416         * x86_64.cc (do_adjust_output_section): Set entsize to
9417         plt_entry_size.
9418
9419 2009-04-23  Elliott Hughes  <enh@google.com>
9420
9421         * output.cc (Output_file::close): After short writes, continue
9422         writing from the correct offset in the buffer being written.
9423
9424 2009-04-23  Chris Demetriou  <cgd@google.com>
9425
9426         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9427         * configure: Regenerate.
9428         * config.in: Regenerate.
9429         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9430         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9431
9432 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9433
9434         * incremental.cc (Incremental_inputs_header_data): Renamed from
9435         Incremental_input_header_data.
9436         (Incremental_inputs_header_data::data_size): New field.
9437         (Incremental_inputs_header_data::put_input_file_count): Renamed
9438         from input_file_count.
9439         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9440         from command_line_offset.
9441         (Incremental_inputs_header_data::put_reserved): Renamed from
9442         put_reserved.
9443         (Incremental_inputs_entry_data): Renamed from
9444         Incremental_input_entry_data.
9445         (Incremental_inputs_entry_data::data_size): New field.
9446         (Incremental_inputs::report_command_line): New method.
9447         (Incremental_inputs::finalize): New method.
9448         (Incremental_inputs::create_incremental_inputs_data): New method.
9449         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9450         * incremental.h: New file.
9451         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9452        (Layout::finalize): Create incremental inputs section in
9453         incremental builds.
9454        (Layout::create_incremental_info_sections): New method.
9455         * layout.h (Layout::incremental_inputs): New method.
9456        (Layout::create_incremental_info_sections): New method.
9457        (Layout::incremental_inputs_): New field.
9458         * main.cc (main): Notify Incremental_input of the command line.
9459
9460 2009-04-01  Ian Lance Taylor  <iant@google.com>
9461             Mikolaj Zalewski  <mikolajz@google.com>
9462
9463         * gold.h (reserve_unordered_map): Define, three versions, one for
9464         each version of Unordered_map.
9465         * layout.cc (Layout::Layout): Remove options parameter.  Add
9466         number_of_input_files parameter.  Don't initialize options_.
9467         Initialize number_of_input_files_ and resized_signatures_.  Move
9468         sections_are_attached_.
9469         (Layout::layout_group): Reserve space for group_signatures_.
9470         (Layout::find_or_add_kept_section): Change name parameter to be a
9471         reference.  Resize signatures_ map when it gets large enough.
9472         (Layout::layout_eh_frame): Use parameters->options() instead of
9473         this->options_.
9474         (Layout::make_output_section): Likewise.
9475         (Layout::attach_allocated_section_to_segment): Likewise.
9476         (Layout::finalize, Layout::create_executable_stack): Likewise.
9477         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9478         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9479         * layout.h (class Layout): Update declarations.  Remove options_
9480         field.  Add number_of_input_files_ and resized_signatures_
9481         fields.  Move sections_are_attached_ field.
9482         * main.cc (main): Pass number of input files to Layout
9483         constructor.  Don't pass options.
9484
9485 2009-03-30  Ian Lance Taylor  <iant@google.com>
9486
9487         * ffsll.c (ffsll): Correct implementation.
9488
9489 2009-03-27  Ian Lance Taylor  <iant@google.com>
9490
9491         * ffsll.c: New file.
9492         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9493         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9494         * ftruncate.c (ftruncate): Declare before definition.
9495         * mremap.c (mremap): Likewise.
9496         * pread.c (pread): Likewise.
9497         * configure, Makefile.in, config.in: Rebuild.
9498
9499         * mremap.c: New file.
9500         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9501         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9502         (mremap): Declare if HAVE_MREMAP is not defined.
9503         * configure, Makefile.in, config.in: Rebuild.
9504
9505 2009-03-27  Cary Coutant  <ccoutant@google.com>
9506
9507         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9508         position independent.
9509         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9510         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9511
9512 2009-03-24  Cary Coutant  <ccoutant@google.com>
9513
9514         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9515         an executable.
9516         (needs_dynamic_reloc): Likewise.
9517
9518 2009-03-24  Ian Lance Taylor  <iant@google.com>
9519
9520         * yyscript.y (file_cmd): Recognize EXTERN.
9521         (extern_name_list, extern_name_list_body): New nonterminals.
9522         * script.cc (script_add_extern): Define.
9523         * script-c.h (script_add_extern): Declare.
9524
9525 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9526
9527         * object.cc (is_elf_object): Define.
9528         * object.h (is_elf_object): Declare.
9529         * archive.cc (Archive::get_elf_object_for_member): Call
9530         is_elf_object.
9531         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9532
9533 2009-03-24  Elliott Hughes  <enh@google.com>
9534
9535         * output.cc (Output_file::map_anonymous): Define.
9536         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9537         try an anonymous one.  Report the size if the mmap fails.
9538         * output.h (class Output_file): Declare map_anonymous.
9539
9540 2009-03-24  Ian Lance Taylor  <iant@google.com>
9541
9542         * target-select.cc (instantiate_target): Don't acquire the lock if
9543         the instantiated_target_ field has already been set.
9544
9545 2009-03-23  Ian Lance Taylor  <iant@google.com>
9546
9547         * gold-threads.h (class Initialize_lock): Define.
9548         * gold-threads.cc (class Initialize_lock_once): Define.
9549         (initialize_lock_control): New static variable.
9550         (initialize_lock_pointer): New static variable.
9551         (initialize_lock_once): New static function.
9552         (Initialize_lock::Initialize_lock): Define.
9553         (Initialize_lock::initialize): Define.
9554         * target-select.h: Include "gold-threads.h".
9555         (class Target_selector): Add lock_ and initialize_lock_ fields.
9556         Don't define instantiate_target, just declare it.
9557         * target-select.cc (Target_selector::Target_selector): Initialize
9558         new fields.
9559         (Target_selector::instantiate_target): Define.
9560         * descriptors.h: Include "gold-threads.h".
9561         (class Descriptors): Add initialize_lock_ field.
9562         * descriptors.cc (Descriptors::Descriptors): Initialize new
9563         field.
9564         (Descriptors::open): Use initialize_lock_ field
9565         * errors.h (class Errors): Add initialize_lock_ field.
9566         * errors.cc (Errors::Errors): Initialize new field.
9567         (Errors::initialize_lock): Use initialize_lock_ field.
9568         * powerpc.cc (class Target_selector_powerpc): Remove
9569         instantiated_target_ field.  In do_recognize call
9570         instantiate_target rather than do_instantiate_target.  In
9571         do_instantiate_target just allocate a new target.
9572         * sparc.cc (class Target_selector_sparc): Likewise.
9573
9574         * freebsd.h: New file.
9575         * i386.cc: Include "freebsd.h".
9576         (Target_i386): Derive from Target_freebsd rather than
9577         Sized_target.
9578         (Target_selector_i386): Derive from Target_selector_freebsd rather
9579         than Target_selector.
9580         * x86_64.cc: Include "freebsd.h".
9581         (Target_x86_64): Derive from Target_freebsd rather than
9582         Sized_target.
9583         (Target_selector_x86_64): Derive from Target_selector_freebsd
9584         rather than Target_selector.
9585         * target.h (class Target): Add adjust_elf_header and
9586         do_adjust_elf_header.
9587         * output.cc (Output_file_header:: do_sized_write): Call target
9588         adjust_elf_header routine.
9589         * configure.tgt: Set targ_osabi.
9590         * configure.ac: Define GOLD_DEFAULT_OSABI.
9591         * parameters.cc (Parameters::default_target): Pass
9592         GOLD_DEFAULT_OSABI to select_target.
9593         * target-select.h (class Target_selector): Make instantiate_target
9594         protected rather than private.
9595         * Makefile.am (HFILES): Add freebsd.h.
9596         * configure, Makefile.in, config.in: Rebuild.
9597
9598         * merge.cc (do_add_input_section): Correct pend value.  Change
9599         message about last entry not being null terminated from error to
9600         warning.
9601
9602 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9603
9604         * incremental.cc: New file.
9605         * Makefile.am (CCFILES): Add incremental.cc.
9606         * Makefile.in: Rebuild.
9607
9608 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9609
9610         * layout.cc (Layout::output_section_name): Preserve names
9611         of '.note.' sections.
9612
9613 2009-03-19  Ian Lance Taylor  <iant@google.com>
9614
9615         * descriptors.cc (Descriptors::open): Check that the options are
9616         valid before using them.
9617
9618 2009-03-18  Ian Lance Taylor  <iant@google.com>
9619
9620         * script-sections.h: Include <list>.
9621         (class Script_sections): Change Sections_elements from std::vector
9622         to std::list.  Typedef public Elements_iterator.  Add
9623         orphan_section_placement_, data_segment_align_start_, and
9624         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9625         field.
9626         * script-sections.cc (class Orphan_section_placement): New class.
9627         (class Sections_element): Add virtual functions is_relro and
9628         orphan_section_init.  Remove virtual function place_orphan_here.
9629         (class Output_section_definition): Add is_relro and
9630         orphan_section_init.  Remove place_orphan_here.
9631         (class Orphan_output_section): Likewise.
9632         (Script_sections::Script_sections): Update for field changes.
9633         (Script_sections::data_segment_align): Set saw_data_segment_align_
9634         and data_segment_align_start_, not data_segment_align_index.
9635         (Script_sections::data_segment_relro_end): Check
9636         saw_data_segment_align_.  Use data_segment_align_start_ rather
9637         than data_segment_align_index_.
9638         (Script_sections::place_orphan): Rewrite to use
9639         Orphan_section_placement.
9640
9641 2009-03-17  Ian Lance Taylor  <iant@google.com>
9642
9643         * archive.cc (Archive::add_symbols): Check for a version attached
9644         to the symbol name in the archive map.
9645         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9646         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9647         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9648         (ver_test_11.a): New target.
9649         * testsuite/Makefile.in: Rebuild.
9650
9651         * configure.ac: Check for chsize and posix_fallocate.  Replace
9652         ftruncate.
9653         * ftruncate.c: New file, from gnulib.
9654         * output.cc (posix_fallocate): Define dummy version if not
9655         HAVE_POSIX_FALLOCATE.
9656         (Output_file::map): Call posix_fallocate rather than lseek and
9657         write.
9658         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9659         * configure, Makefile.in, config.in: Rebuild.
9660
9661 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9662
9663         * layout.h (Layout::create_note): Add section_name parameter.
9664         * layout.cc (Layout::create_note): Likewise.
9665         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9666
9667 2009-03-17  Ian Lance Taylor  <iant@google.com>
9668
9669         * descriptors.cc: Include "options.h".
9670         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9671         (Descriptors::open): Always use O_CLOEXEC when opening a new
9672         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9673         then set FD_CLOEXEC.
9674
9675         * sparc.cc (class Target_sparc): Add has_got_section.
9676         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9677         make sure we have a GOT section.
9678
9679         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9680         (Target_sparc::Scan::local): Likewise.
9681         (Target_sparc::Scan::global): Likewise.
9682         (Target_sparc::Relocate::relocate): Likewise.
9683         (Target_sparc::Relocate::relocate_tls): Likewise.
9684
9685         * symtab.cc (Symbol_table::define_default_version): New function,
9686         broken out of add_from_object.
9687         (Symbol_table::add_from_object): Call define_default_version.
9688         (Symbol_table::define_special_symbol): Add resolve_oldsym
9689         parameter.  Change all callers.  If the version for a symbol comes
9690         from a version script, resolve it with the symbol with the same
9691         name with no version.  Also add the symbol without a version if
9692         appropriate.
9693         (do_define_in_output_data): If resolving with oldsym, don't delete
9694         sym.
9695         (do_define_in_output_segment): Likewise.
9696         (do_define_as_constant): Likewise.
9697         * symtab.h (class Symbol_table): Update declarations.
9698
9699 2009-03-13  Ian Lance Taylor  <iant@google.com>
9700
9701         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9702         (Read_symbols::requeue): New function.
9703         (Read_symbols::do_read_symbols): If make_elf_object fails because
9704         the target type is not configured, and the file was searched for,
9705         issue a warning and retry with the next directory.
9706         (Add_symbols::run): If the file has an incompatible format, and
9707         it was searched for, requeue the Read_symbols task.  On error,
9708         release the object.
9709         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9710         dirindex parameter to constructor.  Change all callers.  Declare
9711         incompatible_warning and requeue.
9712         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9713         input_argument_ and input_group_ fields.  Add them to
9714         constructor.  Change all callers.
9715         (class Read_script): Add dirindex_ field.  Add it to constructor.
9716         Change all callers.
9717         * archive.cc (Archive::setup): Remove input_objects parameter.
9718         Change all callers.
9719         (Archive::get_file_and_offset): Likewise.
9720         (Archive::read_all_symbols): Likewise.
9721         (Archive::read_symbols): Likewise.
9722         (Archive::get_elf_object_for_member): Remove input_objects
9723         parameter.  Add punconfigured parameter.  Change all callers.
9724         (Archive::add_symbols): Change return type to bool.  Check return
9725         value of include_member.
9726         (Archive::include_all_members): Likewise.
9727         (Archive::include_member): Change return type to bool.  Return
9728         false if first included object has incompatible target.  Set
9729         included_member_ field.
9730         (Add_archive_symbols::run): If add_symbols returns false, requeue
9731         Read_symbols task.
9732         * archive.h (class Archive): Add included_member_ field.
9733         Initialize it in constructor.  Add input_file and searched_for
9734         methods.  Update declarations.
9735         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9736         input_argument_ fields.  Add them to constructor.  Change all
9737         callers.
9738         * script.cc: Include "target-select.h".
9739         (class Parser_closure): Add skip_on_incompatible_target_ and
9740         found_incompatible_target_ fields.  Add
9741         skip_on_incompatible_target parameter to constructor.  Change all
9742         callers.  Add methods skip_on_incompatible_target,
9743         clear_skip_on_incompatible_target, found_incompatible_target, and
9744         set_found_incompatible_target.
9745         (read_input_script): Add dirindex parameter.  Change all callers.
9746         If parser finds an incompatible target, requeue Read_symbols
9747         task.
9748         (script_set_symbol): Clear skip_on_incompatible_target in
9749         closure.
9750         (script_add_assertion, script_parse_option): Likewise.
9751         (script_start_sections, script_add_phdr): Likewise.
9752         (script_check_output_format): New function.
9753         * script.h (read_input_script): Update declaration.
9754         * script-c.h (script_check_output_format): Declare.
9755         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9756         (ignore_cmd): Remove OUTPUT_FORMAT.
9757         * fileread.cc (Input_file::Input_file): Add explicit this.
9758         (Input_file::will_search_for): New function.
9759         (Input_file::open): Add pindex parameter.  Change all callers.
9760         * fileread.h (class Input_file): Add input_file_argument method.
9761         Declare will_search_for.  Update declarations.
9762         * object.cc (make_elf_object): Add punconfigured parameter.
9763         Change all callers.
9764         * object.h (class Object): Make input_file public.  Add
9765         searched_for method.
9766         (make_elf_object): Update declaration.
9767         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9768         restart search.
9769         * dirsearch.h (class Dirsearch): Update declaration.
9770         * options.h (class General_options): Add --warn-search-mismatch.
9771         * parameters.cc (Parameters::is_compatible_target): New function.
9772         * parameters.h (class Parameters): Declare is_compatible_target.
9773         * workqueue.cc (Workqueue::add_blocker): New function.
9774         * workqueue.h (class Workqueue): Declare add_blocker.
9775
9776         * fileread.cc (Input_file::open): Remove options parameter.
9777         Change all callers.
9778         (Input_file::open_binary): Likewise.
9779         * script.cc (read_input_script): Likewise.
9780         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9781         options parameter from constructor.  Change all callers.
9782         (class Read_script): Likewise.
9783         * fileread.h (class Input_file): Update declarations.
9784         * script.h (read_input_script): Update declaration.
9785
9786 2009-03-10  Nick Clifton  <nickc@redhat.com>
9787
9788         * po/es.po: New Spanish translation.
9789
9790 2009-03-06  Cary Coutant  <ccoutant@google.com>
9791
9792         * options.cc (parse_short_option): Keep dash_z from registering itself.
9793
9794 2009-03-03  Ian Lance Taylor  <iant@google.com>
9795
9796         PR 9918
9797         * target-reloc.h (relocate_section): Pass output_section to
9798         relocate.
9799         * i386.cc (Target_i386::should_apply_static_reloc): Add
9800         output_section parameter.  Change all callers.
9801         (Target_i386::Relocate::relocate): Add output_section parameter.
9802         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9803         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9804         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9805         * testsuite/two_file_shared.sh: New script.
9806         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9807         (check_DATA): Add two_file_shared.dbg.
9808         (two_file_shared.dbg): New target.
9809         * testsuite/Makefile.in: Rebuild.
9810
9811 2009-03-01  Ian Lance Taylor  <iant@google.com>
9812
9813         * configure.ac: Check for byteswap.h.
9814         * configure: Rebuild.
9815         * config.in: Rebuild.
9816
9817 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9818
9819         * layout.cc (Layout::find_or_add_kept_section): New function.
9820         (Layout::add_comdat): Removed.
9821         * layout.h (struct Kept_section): Move out of class Layout.
9822         Remove trailing underscores from field names.  Add group_sections
9823         field.  Rename group_ field to is_group.  Change all uses.
9824         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9825         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9826         comdat_groups_ field.
9827         (Sized_relobj::include_section_group): Use
9828         find_or_add_kept_section and Kept_section::group_sections.
9829         (Sized_relobj::include_linkonce_section): Likewise.
9830         * object.cc (class Sized_relobj): Don't define Comdat_group or
9831         Comdat_group_table.  Remove find_comdat_group and
9832         add_comdat_group.  Remove comdat_groups_ field.
9833         * plugin.cc (include_comdat_group): Use
9834         Layout::find_or_add_kept_section.
9835
9836 2009-02-28  Ian Lance Taylor  <iant@google.com>
9837
9838         * README: --gc-sections and map files are now supported.  Document
9839         some build requirements.
9840
9841         PR 6992
9842         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9843         relocatable link set the value of the section symbol to zero.
9844         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9845         relocatable link don't include the section address in the local
9846         symbol value.
9847
9848 2009-02-27  Ian Lance Taylor  <iant@google.com>
9849
9850         PR 6811
9851         * options.h (class Search_directory): Add is_system_directory.
9852         (class General_options): Declare is_in_system_directory.
9853         * options.cc (get_relative_sysroot): Make static.
9854         (get_default_sysroot): Make static.
9855         (General_optoins::is_in_system_directory): New function.
9856         * fileread.cc (Input_file::is_in_system_directory): New function.
9857         * fileread.h (class Input_file): Declare is_in_system_directory.
9858         * object.h (class Object): Add is_in_system_directory.
9859         (class Input_objects): Remove system_library_directory_ field.
9860         * object.cc (Input_objects::add_object): Don't set
9861         system_library_directory_.
9862         (input_objects::found_in_system_library_directory): Remove.
9863         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9864         parameter.  Change all callers.
9865         (Symbol_table::sized_write_globals): Likewise.
9866         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9867         Call Object::is_in_system_directory.
9868         * symtab.h (class Symbol_table): Update declarations.
9869
9870         PR 5990
9871         * descriptors.h (Open_descriptor): Add is_on_stack field.
9872         * descriptors.cc (Descriptors::open): If the descriptor is on the
9873         top of the stack, remove it.  Initialize is_on_stack field.
9874         (Descriptors::release): Only add pod to stack if it is not on the
9875         stack already.
9876         (Descriptors::close_some_descriptor): Clear stack_next and
9877         is_on_stack fields.
9878
9879         PR 7091
9880         * output.cc (Output_section::find_starting_output_address): Rename
9881         from starting_output_address; add PADDR parameter; change return
9882         type.
9883         * output.h (class Output_section): Declare
9884         find_starting_output_address instead of starting_output_address.
9885         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9886         section symbol for which we can't find a merge section.
9887
9888         PR 9836
9889         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9890         hidden or internal, force the symbol to be local.
9891         * resolve.cc (Symbol::override_visibility): Define.
9892         (Symbol::override_base): Use override_visibility.
9893         (Symbol_table::resolve): Likewise.
9894         (Symbol::override_base_with_special): Likewise.
9895         (Symbol_table::override_with_special): If the visibility is hidden
9896         or internal, force the symbol to be local.
9897         * symtab.h (class Symbol): Add set_visibility and
9898         override_visibility.
9899         * testsuite/ver_test_1.sh: New file.
9900         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9901         (check_DATA): Add ver_test_1.syms.
9902         (ver_test_1.syms): New target.
9903         * testsuite/Makefile.in: Rebuild.
9904
9905 2009-02-25  Cary Coutant  <ccoutant@google.com>
9906
9907         * layout.cc (Layout::choose_output_section): Don't rename sections
9908         when using a linker script that has a SECTIONS clause.
9909         * Makefile.in: Regenerate.
9910
9911         * testsuite/Makefile.am (script_test_5.sh): New test case.
9912         * testsuite/Makefile.in: Regenerate.
9913         * testsuite/script_test_5.cc: New file.
9914         * testsuite/script_test_5.sh: New file.
9915         * testsuite/script_test_5.t: New file.
9916
9917 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9918
9919         * archive.cc (Archive::include_member): Update calls to add_symbols.
9920         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9921         the Layout argument.
9922         * dynobj.h (do_add_symbols): Add the Layout argument.
9923         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9924         Layout argument.
9925         * object.h (Object::add_symbols): Add the Layout argument.
9926         (Object::do_add_symbols): Add the Layout argument.
9927         (Sized_relobj::do_add_symbols): Add the Layout argument.
9928         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9929         Unify the two versions.
9930         (Add_plugin_symbols): Remove.
9931         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9932         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9933         (Add_plugin_symbols): Remove.
9934         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9935         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9936         (Add_symbols::run): Make it work with Pulginobj.
9937
9938 2009-02-06  Ian Lance Taylor  <iant@google.com>
9939
9940         * object.cc (Sized_relobj::do_layout): Make info message start
9941         with lower case letter.
9942
9943 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9944
9945         * binary.cc: Fix file comment.
9946
9947         * options.h (enum Incremental_disposition): Define.
9948         (class General_options): Add new options: --incremental,
9949         --incremental_changed, --incremental_unchanged,
9950         --incremental_unknown.  Add incremental_disposition_ and
9951         implicit_incremental_ fields.
9952         (General_options::incremental_disposition): New function.
9953         (class Position_dependent_options): Add incremental_disposition
9954         option.
9955         (Position_dependent_options::copy_from_options): Set incremental
9956         dispositions.
9957         * options.cc (General_options::parse_incremental_changed): New
9958         function.
9959         (General_options::parse_incremental_unchanged): New function.
9960         (General_options::parse_incremental_unknown): New function.
9961         (General_options::General_options): Initialize new fields
9962         incremental_disposition_ and implicit_incremental_.
9963         (General_options::finalize): Check for uasge of --incremental-*
9964         without --incremental.
9965
9966 2009-02-06  Chris Demetriou  <cgd@google.com>
9967
9968         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9969         pointer and to report location as the file name associated with
9970         the symbol.
9971         (gold_undefined_symbol_at_location): New function to replace the
9972         old gold_undefined_symbol functionality.
9973         * target-reloc.h (relocate_section): Update to use
9974         gold_undefined_symbol_at_location.
9975         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9976         Call gold_undefined_symbol function rather than gold_error.
9977         * errors.h (Errors::undefined_symbol): Take location as a
9978         string, rather than calculating it from a relocation.
9979         * errors.cc (Errors::fatal): Print "fatal error:" before the
9980         formatted message.
9981         (Errors::error, Errors::error_at_location): Print "error: "
9982         before the formatted message.
9983         (Errors::undefined_symbol): Take location as a string, rather
9984         than calculating it from a relocation.
9985         (gold_undefined_symbol_at_location): New function akin to
9986         old gold_undefined_symbol, calculates location from relocation.
9987         (gold_undefined_symbol): Change to take only a Symbol pointer
9988         and to report location as the file name associated with the symbol.
9989         * testsuite/debug_msg.sh: Update for changed error messages.
9990         * testsuite/undef_symbol.sh: Likewise.
9991
9992 2009-02-04  Duncan Sands  <baldrick@free.fr>
9993
9994         PR 9812
9995         * reduced_debug_output.h
9996         (Output_reduced_debug_abbrev_section::failed): Use format for
9997         gold_warning.
9998         (Output_reduced_debug_info_section::faild): Likewise.
9999
10000 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10001
10002         * script.cc (Lazy_demangler): New class.
10003         (Version_script_info::get_symbol_version_helper): Demangle a
10004         symbol only once.
10005
10006 2009-01-29  Cary Coutant  <ccoutant@google.com>
10007
10008         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10009         to __tls_get_addr.
10010         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10011
10012 2009-01-28  Ian Lance Taylor  <iant@google.com>
10013
10014         * version.cc (version_string): Bump to 1.9.
10015
10016         * gold.h: Include <cstring> and <stdint.h>.
10017         * version.cc: Include <cstdio>.
10018         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10019         warning.
10020         * reduced_debug_output.cc (insert_into_vector): Rename from
10021         Insert_into_vector; change all callers.  Use Swap_unaligned to
10022         avoid aliasing issue; remove union since it is unnecessary.
10023
10024 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10025
10026         * Makefile.am (CCFILES): Add gc.cc.
10027         (HFILES): Add gc.h.
10028         * Makefile.in: Regenerate.
10029         * gold.cc (Gc_runner): New class.
10030         (queue_initial_tasks): Call garbage collection related tasks
10031         when corresponding options are invoked.
10032         (queue_middle_gc_tasks): New function.
10033         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10034         processed early before laying out sections during garbage collection.
10035         * gold.h (queue_middle_gc_tasks): New function.
10036         (is_prefix_of): Move from "layout.cc".
10037         * i386.cc (Target_i386::gc_process_relocs): New function.
10038         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10039         * main.cc (main): Create object of class "Garbage_collection".
10040         * object.cc (Relobj::copy_symbols_data): New function.
10041         (Relobj::is_section_name_included): New function.
10042         (Sized_relobj::do_layout): Allow this function to be called twice
10043         during garbage collection and defer layout of section during the
10044         first call.
10045         * object.h (Relobj::get_symbols_data): New function.
10046         (Relobj::is_section_name_included): New function.
10047         (Relobj::copy_symbols_data): New function.
10048         (Relobj::set_symbols_data): New function.
10049         (Relobj::get_relocs_data): New function.
10050         (Relobj::set_relocs_data): New function.
10051         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10052         (Relobj::gc_process_relocs): New function.
10053         (Relobj::do_gc_process_relocs): New pure virtual function.
10054         (Relobj::sd_): New data member.
10055         (Sized_relobj::is_output_section_offset_invalid): New function.
10056         (Sized_relobj::do_gc_process_relocs): New function.
10057         * options.h (General_options::gc_sections): Modify to not be a no-op.
10058         (General_options::print_gc_sections): New option.
10059         * plugin.cc (Plugin_finish::run): Remove function call to
10060         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10061         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10062         * reloc.cc (Read_relocs::run): Add task to process relocs and
10063         determine unreferenced sections when doing garbage collection.
10064         (Gc_process_relocs): New class.
10065         (Sized_relobj::do_gc_process_relocs): New function.
10066         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10067         sections that are garbage collected.
10068         * reloc.h (Gc_process_relocs): New class.
10069         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10070         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10071         symbols whose corresponding sections are garbage collected.
10072         (Symbol_table::Symbol_table): Add new parameter for the garbage
10073         collection object.
10074         (Symbol_table::gc_mark_undef_symbols): New function.
10075         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10076         (Symbol_table::gc_mark_dyn_syms): New function.
10077         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10078         as garbage.
10079         (Symbol_table::add_from_object): Likewise.
10080         (Symbol_table::add_from_relobj): When building shared objects, do not
10081         treat externally visible symbols as garbage.
10082         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10083         table information for static and relocatable links.
10084         * symtab.h (Symbol_table::set_gc): New function.
10085         (Symbol_table::gc): New function.
10086         (Symbol_table::gc_mark_undef_symbols): New function.
10087         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10088         (Symbol_table::gc_mark_dyn_syms): New function.
10089         (Symbol_table::gc_): New data member.
10090         * target.h (Sized_target::gc_process_relocs): New pure virtual
10091         function.
10092         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10093         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10094
10095 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10096
10097         * options.h (General_options::gc_sections): Define as a no-op for now.
10098         (General_options::no_keep_memory): Ditto.
10099         (General_options::Bshareable): Define.
10100         * options.cc (General_options::finalize): Honor -Bshareable.
10101
10102 2009-01-20  Andreas Schwab  <schwab@suse.de>
10103
10104         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10105         read the value in the contents, since we don't use it.  Use the
10106         template endianness when writing.
10107         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10108
10109 2009-01-19  Andreas Schwab  <schwab@suse.de>
10110
10111         * configure.tgt (powerpc64-*): Fix targ_obj.
10112
10113 2009-01-15  Ian Lance Taylor  <iant@google.com>
10114
10115         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10116         local symbols when stripping all symbols.
10117
10118 2009-01-14  Cary Coutant  <ccoutant@google.com>
10119
10120         * output.cc (Output_reloc): Add explicit instantiations.
10121
10122 2009-01-14  Cary Coutant  <ccoutant@google.com>
10123
10124         * archive.cc (Archive::get_elf_object_for_member): Remove call
10125         to File_read::claim_for_plugin.
10126         * descriptors.cc (Descriptors::open): Remove reference to
10127         is_claimed.
10128         (Descriptors::claim_for_plugin): Remove.
10129         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10130         (Descriptors::is_claimed): Remove.
10131         (claim_descriptor_for_plugin): Remove.
10132         * fileread.cc (File_read::claim_for_plugin): Remove.
10133         * fileread.h (File_read::claim_for_plugin): Remove.
10134         (File_read::descriptor): Reopen descriptor if necessary.
10135         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10136         (Plugin_manager::all_symbols_read): Add task parameter. Change
10137         all callers.
10138         (Plugin_manager::get_input_file): New function.
10139         (Plugin_manager::release_input_file): New function.
10140         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10141         corresponding data member.
10142         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10143         and pass to base constructor. Change all callers.
10144         (get_input_file, release_input_file): New functions.
10145         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10146         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10147         (Plugin_manager::all_symbols_read): Add task parameter.
10148         (Plugin_manager::get_input_file): New function.
10149         (Plugin_manager::release_input_file): New function.
10150         (Plugin_manager::task_): New data member.
10151         (Pluginobj::Pluginobj): Add filesize parameter.
10152         (Pluginobj::filename): New function.
10153         (Pluginobj::descriptor): New function.
10154         (Pluginobj::filesize): New function.
10155         (Pluginobj::filesize_): New data member.
10156         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10157         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10158         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10159
10160         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10161         with archive libraries.
10162         * testsuite/Makefile.in: Regenerate.
10163         * testsuite/plugin_test.c (struct sym_info): New type.
10164         (get_input_file, release_input_file): New static variables.
10165         (onload): Capture new transfer vector entries.
10166         (claim_file_hook): Stop reading at end of file according to filesize.
10167         Factor out parsing of readelf output into separate function.
10168         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10169         APIs and get the source file name from the symbol table.  Convert
10170         source file name to corresponding object file name.  Print info
10171         message when adding new input files.
10172         (parse_readelf_line): New function.
10173         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10174         * testsuite/plugin_test_2.sh: Likewise.
10175         * testsuite/plugin_test_3.sh: Likewise.
10176         * testsuite/plugin_test_4.sh: New test case.
10177
10178 2009-01-07  Ian Lance Taylor  <iant@google.com>
10179
10180         * version.cc (version_string): Bump to 1.8.
10181
10182 2008-12-23  Cary Coutant  <ccoutant@google.com>
10183
10184         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10185         * plugin.cc (Plugin_manager::finish): Rename as
10186         layout_deferred_objects.  Move cleanup to separate function.
10187         (Plugin_manager::cleanup): New function.
10188         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10189         separately.
10190         * plugin.h (Plugin_manager::finish): Rename as
10191         layout_deferred_objects.
10192         (Plugin_manager::cleanup): New function.
10193         (Plugin_manager::cleanup_done): New field.
10194
10195 2008-12-23  Cary Coutant  <ccoutant@google.com>
10196
10197         * plugin.cc (is_visible_from_outside): New function.
10198         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10199         so we don't return "IR only" status for exported symbols or -r links.
10200
10201         * testsuite/Makefile.am (plugin_test_3): New test case.
10202         * testsuite/Makefile.in: Regenerate.
10203         * testsuite/plugin_test_3.sh: New file.
10204
10205 2008-12-22  Cary Coutant  <ccoutant@google.com>
10206
10207         * object.cc (Sized_relobj::layout_section): New function.
10208         (Sized_relobj::do_layout): Defer layout of input sections until after
10209         plugin has provided replacement files.
10210         (Sized_relobj::do_layout_deferred_sections): New function.
10211         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10212         (Relobj::layout_deferred_sections): New function.
10213         (Relobj::do_layout_deferred_sections): New function.
10214         (Sized_relobj::do_layout_deferred_sections): New function.
10215         (Sized_relobj::layout_section): New function.
10216         (Sized_relobj::Deferred_layout): New structure.
10217         (Sized_relobj::deferred_layout_): New field.
10218         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10219         Change all callers.  Layout deferred sections.
10220         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10221         references.
10222         (Plugin_hook::run): Move code from do_plugin_hook inline.
10223         (Plugin_hook::do_plugin_hook): Remove.
10224         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10225         (Plugin_manager::finish): Renamed, was cleanup.
10226         (Plugin_manager::should_defer_layout): New function.
10227         (Plugin_manager::add_deferred_layout_object): New function.
10228         (Plugin_manager::Deferred_layout_list): New type.
10229         (Plugin_manager::deferred_layout_objects_): New field.
10230         (Plugin_hook::do_plugin_hook): Remove.
10231
10232 2008-12-17  Ian Lance Taylor  <iant@google.com>
10233
10234         * options.h (class General_options): Add --no case for
10235         --export-dynamic.
10236
10237 2008-12-16  Cary Coutant  <ccoutant@google.com>
10238
10239         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10240         vector.
10241         (Plugin_manager::claim_file): Create plugin object even if
10242         plugin did not call the add_symbols callback.
10243         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10244         asking for more symbols than were added.
10245         * testsuite/Makefile.am (plugin_test_1): Add test case with
10246         no global symbols.
10247         (empty.syms): New target.
10248         * testsuite/Makefile.in: Regenerate.
10249         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10250         message. Don't call add_symbols if no globals.
10251         (all_symbols_read_hook): Don't provide replacement for empty
10252         claimed file.
10253
10254 2008-12-12  Ian Lance Taylor  <iant@google.com>
10255
10256         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10257         r_type == 0 for a local symbol with r_sym == 0.
10258         (scan_relocatable_relocs): Pass r_sym to
10259         local_non_section_strategy.
10260         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10261         r_sym parameter.
10262
10263         * configure.ac: Update test for TLS descriptors: they are
10264         supported as of glibc 2.9.
10265         * configure: Rebuild.
10266
10267 2008-12-11  Ian Lance Taylor  <iant@google.com>
10268
10269         PR 7091
10270         * target-reloc.h (Default_scan_relocatable_relocs): For each
10271         function, map r_type == 0 to RELOC_DISCARD.
10272
10273 2008-12-10  Cary Coutant  <ccoutant@google.com>
10274
10275         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10276         object to override a kept COMDAT group from a plugin object.
10277
10278 2008-12-09  Ian Lance Taylor  <iant@google.com>
10279
10280         PR 7088
10281         * yyscript.y (file_cmd): Handle INPUT.
10282
10283         * testsuite/initpri1.c: Change all declarations to be full
10284         prototypes by adding void, to avoid compiler warnings.
10285
10286 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10287
10288         * options.cc (General_options::parse_plugin_opt): New.
10289         (General_options::add_plugin): The argument now is just the filename.
10290         (General_options::add_plugin_option): New.
10291         * options.h (plugin_opt): New.
10292         (add_plugin): Change argument name.
10293         (add_plugin_option): New.
10294         * plugin.cc (Plugin::load): Don't parse the plugin option.
10295         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10296         (Plugin::add_option): New.
10297         (Plugin::args_): Change type.
10298         (Plugin::filename_): New.
10299         (Plugin_manager::add_plugin_option): New.
10300         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10301         * testsuite/Makefile.in: Regenerate.
10302
10303 2008-12-05  Cary Coutant  <ccoutant@google.com>
10304
10305         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10306         Handle --strip-lto-sections option.
10307         * options.h (strip_lto_sections): New option.
10308
10309 2008-12-01  Cary Coutant  <ccoutant@google.com>
10310
10311         * plugin.cc (ld_plugin_message): Change format parameter to const.
10312         Fix mismatch between new[] and delete.
10313
10314 2008-11-14  Cary Coutant  <ccoutant@google.com>
10315
10316         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10317         instead of -1U.
10318
10319 2008-11-05  Craig Silverstein  <csilvers@google.com>
10320
10321         * options.cc (General_options::parse_dynamic_list): New function.
10322         * options.h (General_options): New flags dynamic_list,
10323         dynamic_list_data, dynamic_list_cpp_new, and
10324         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10325         (General_options::in_dynamic_list): New function.
10326         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10327         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10328         (Lex::can_continue_name): Likewise.
10329         (yylex): Likewise.
10330         (read_script_file): New parameter script_options.
10331         (read_dynamic_list): New function.
10332         (Script_options::define_dynamic_list): New function.
10333         (dynamic_list_keyword_parsecodes): New variable.
10334         (dynamic_list_keywords): New variable.
10335         * script.h (Script_options::define_dynamic_list): New function
10336         prototype.
10337         (read_dynamic_list): New function prototype.
10338         * symtab.cc (strprefix): New macro.
10339         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10340         dynamic_list_data, dynamic_list_cpp_new, and
10341         dynamic_list_cpp_typeinfo.
10342         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10343         (dynamic_list_expr): New rule.
10344         (dynamic_list_nodes): Likewise.
10345         (dynamic_list_node): Likewise.
10346         * testsuite/Makefile.am (dynamic_list): New test.
10347         * testsuite/Makefile.in: Regenerated.
10348         * testsuite/dynamic_list.t: New file.
10349         * testsuite/dynamic_list.sh: New file.
10350
10351 2008-11-05  Craig Silverstein  <csilvers@google.com>
10352
10353         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10354         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10355         (t11_last): Likewise.
10356         * testsuite/ver_test_6.c (main): Likewise.
10357
10358 2008-10-07  Cary Coutant  <ccoutant@google.com>
10359
10360         * options.c (General_options::finalize): Add check for -static and
10361         -shared.
10362         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10363         is not empty.
10364
10365 2008-10-02  Cary Coutant  <ccoutant@google.com>
10366
10367         * plugin.cc (make_sized_plugin_object): Fix conditional
10368         compilation to work when not all targets are enabled.
10369
10370 2008-09-29  Cary Coutant  <ccoutant@google.com>
10371
10372         * archive.cc (Archive::get_file_and_offset): Use filename instead
10373         of name to get library path.
10374         (Archive::include_member): Unlock external member of a thin archive.
10375
10376         * testsuite/Makefile.am (TEST_AR): New variable.
10377         (thin_archive_test_1): New test.
10378         (thin_archive_test_2): New test.
10379         * testsuite/Makefile.in: Regenerate.
10380         * testsuite/thin_archive_main.cc: New file.
10381         * testsuite/thin_archive_test_1.cc: New file.
10382         * testsuite/thin_archive_test_2.cc: New file.
10383         * testsuite/thin_archive_test_3.cc: New file.
10384         * testsuite/thin_archive_test_4.cc: New file.
10385
10386 2008-09-29  Cary Coutant  <ccoutant@google.com>
10387
10388         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10389         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10390         instead of -1U.
10391         (Sized_relobj::do_finalize_local_symbols): Likewise.
10392         (Sized_relobj::map_to_kept_section): Likewise.
10393         * object.h (Sized_relobj::invalid_address): New constant.
10394         (Sized_relobj::do_output_section_offset): Check for invalid_address
10395         and return -1ULL.
10396         * output.cc (Output_reloc::local_section_offset): Use constant
10397         invalid_address instead of -1U.
10398         (Output_reloc::get_address): Likewise.
10399         (Output_section::output_address): Change -1U to -1ULL.
10400         * output.h (Output_reloc::invalid_address): New constant.
10401         * reloc.cc (Sized_relobj::write_sections): Use constant
10402         invalid_address instead of -1U.
10403         (Sized_relobj::relocate_sections): Likewise.
10404         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10405         values for merge sections.
10406         * target-reloc.h (relocate_for_relocatable): Use constant
10407         invalid_address instead of -1U.
10408
10409 2008-09-19  Cary Coutant  <ccoutant@google.com>
10410
10411         Add plugin functionality for link-time optimization (LTO).
10412         * configure.ac (plugins): Add --enable-plugins option.
10413         * configure: Regenerate.
10414         * config.in: Regenerate.
10415         * Makefile.am (LIBDL): New variable.
10416         (CCFILES): Add plugin.cc.
10417         (HFILES): Add plugin.h.
10418         (ldadd_var): Add LIBDL.
10419         * Makefile.in: Regenerate.
10420
10421         * archive.cc: Include "plugin.h".
10422         (Archive::setup): Don't preread archive symbols when using a plugin.
10423         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10424         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10425         files.
10426         (Archive::include_member): Add symbols from plugin objects.
10427         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10428         * descriptors.cc (Descriptors::open): Check for file descriptors
10429         abandoned by plugins.
10430         (Descriptors::claim_for_plugin): New function.
10431         * descriptors.h (Descriptors::claim_for_plugin): New function.
10432         (Open_descriptor::is_claimed): New field.
10433         (claim_descriptor_for_plugin): New function.
10434         * fileread.cc (File_read::claim_for_plugin): New function.
10435         * fileread.h (File_read::claim_for_plugin): New function.
10436         (File_read::descriptor): New function.
10437         * gold.cc: Include "plugin.h".
10438         (queue_initial_tasks): Add task to call plugin hooks for generating
10439         new object files.
10440         * main.cc: Include "plugin.h".
10441         (main): Load plugin libraries.
10442         * object.h (Pluginobj): Declare.
10443         (Object::pluginobj): New function.
10444         (Object::do_pluginobj): New function.
10445         (Object::set_target): New function.
10446         * options.cc: Include "plugin.h".
10447         (General_options::parse_plugin): New function.
10448         (General_options::General_options): Initialize plugins_ field.
10449         (General_options::add_plugin): New function.
10450         * options.h (Plugin_manager): Declare.
10451         (General_options): Add --plugin option.
10452         (General_options::has_plugins): New function.
10453         (General_options::plugins): New function.
10454         (General_options::add_plugin): New function.
10455         (General_options::plugins_): New field.
10456         * plugin.cc: New file.
10457         * plugin.h: New file.
10458         * readsyms.cc: Include "plugin.h".
10459         (Read_symbols::do_read_symbols): Check for archive before checking
10460         for ELF file.  Call plugin hooks to claim files.
10461         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10462         from a real object file; force override when processing replacement
10463         files.
10464         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10465         (Symbol::init_base_object): Likewise.
10466         (Symbol::init_base_output_data): Likewise.
10467         (Symbol::init_base_output_segment): Likewise.
10468         (Symbol::init_base_constant): Likewise.
10469         (Symbol::init_base_undefined): Likewise.
10470         (Symbol::output_section): Assert that object is not a plugin.
10471         (Symbol_table::add_from_pluginobj): New function.
10472         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10473         undefined.
10474         (Symbol_table::sized_write_globals): Likewise.
10475         (Symbol_table::add_from_pluginobj): Instantiate template.
10476         * symtab.h (Sized_pluginobj): Declare.
10477         (Symbol::in_real_elf): New function.
10478         (Symbol::set_in_real_elf): New function.
10479         (Symbol::in_real_elf_): New field.
10480         (Symbol_table::add_from_pluginobj): New function.
10481
10482         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10483         (LIBDL): New variable.
10484         (LDADD): Add LIBDL.
10485         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10486         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10487         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10488         (MOSTLYCLEANFILES): Likewise.
10489         * testsuite/Makefile.in: Regenerate.
10490         * testsuite/plugin_test.c: New file.
10491         * testsuite/plugin_test_1.sh: New file.
10492         * testsuite/plugin_test_2.sh: New file.
10493
10494 2008-09-16  Ian Lance Taylor  <iant@google.com>
10495
10496         * target-reloc.h (relocate_section): Check whether a symbol is
10497         defined by the ABI before reporting an undefined symbol error.
10498         * target.h (Target::is_defined_by_abi): Make parameter const.
10499         (Target::do_is_defined_by_abi): Likewise.
10500         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10501         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10502         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10503         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10504         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10505         * testsuite/Makefile.in: Rebuild.
10506
10507         * fileread.cc (make_view): Add casts to avoid warning.
10508
10509 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10510
10511         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10512         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10513
10514 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10515
10516         * options.h (General_options::output_is_executable): New.
10517         (General_options::output_is_pie): New.
10518         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10519         for shared libraries.
10520         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10521
10522 2008-09-11  Chris Demetriou  <cgd@google.com>
10523
10524         * options.h (origin): New -z option.
10525         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10526         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10527         in DT_FLAGS_1.
10528
10529 2008-09-05  Cary Coutant  <ccoutant@google.com>
10530
10531         * fileread.cc (File_read::make_view): Add check for attempt to map
10532         beyond end of file.
10533
10534 2008-09-05  Cary Coutant  <ccoutant@google.com>
10535
10536         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10537         explicit instantiations.
10538
10539 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10540
10541         PR gold/6858
10542         * options.cc (General_options::finalize): Allow undefined symbols
10543         in shlibs if linking -shared.
10544
10545         PR gold/6859
10546         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10547         symbols as not needing a dynsym entry.
10548
10549 2008-08-20  Craig Silverstein  <csilvers@google.com>
10550
10551         * fileread.cc (File_read::open): Do not lock the file unless it
10552         was successfully opened.
10553
10554 2008-08-14  Cary Coutant  <ccoutant@google.com>
10555
10556         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10557         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10558         * testsuite/tls_test.cc (struct int128): 128-bit struct
10559         for testing TLS relocs with non-zero addend.
10560         (v12): New TLS variable.
10561         (t12): New test.
10562         (t_last): Add check for v12.
10563         * testsuite/tls_test.h (t12): New function.
10564         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10565
10566 2008-08-13  Ian Lance Taylor  <iant@google.com>
10567
10568         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10569         set tls_segment_ or relro_segment_.
10570         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10571         when appropriate.
10572         * output.h (Output_section::clear_is_relro): New function.
10573         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10574         sections specially even when output_data_ is empty.
10575         (Output_segment::maximum_alignment): When first section is relro,
10576         only force alignment for PT_LOAD segments.
10577         * script.cc (script_data_segment_align): New function.
10578         (script_data_segment_relro_end): New function.
10579         * script-c.h (script_data_segment_align): Declare.
10580         (script_data_segment_relro_end): Declare.
10581         * script-sections.h (class Script_sections): Declare
10582         data_segment_align and data_segment_relro_end.  Add fields
10583         segment_align_index_ and saw_relro_end_.
10584         * script-sections.cc (class Sections_element): Add set_is_relro
10585         virtual function.  Add new bool* parameter to place_orphan_here.
10586         Add get_output_section virtual function.
10587         (class Output_section_definition): Add set_is_relro.  Add new
10588         bool* parameter to place_orphan_here.  Add get_output_section.
10589         Add is_relro_ field.
10590         (Output_section_definition::Output_section_definition): Initialize
10591         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10592         and is_relro_ fields.
10593         (Output_section_definition::place_orphan_here): Add is_relro
10594         parameter.
10595         (Output_section_definition::set_section_addresses): Set relro for
10596         output section.
10597         (Output_section_definition::alternate_constraint): Likewise.
10598         (class Orphan_output_section): Add new bool* parameter to
10599         place_orphan_here.  Add get_output_section.
10600         (Orphan_output_section::place_orphan_here): Add is_relro
10601         parameter.
10602         (Script_sections::Script_sections): Initialize
10603         data_segment_align_index_ and saw_relro_end_.
10604         (Script_sections::data_segment_align): New function.
10605         (Script_sections::data_segment_relro_end): New function.
10606         (Script_sections::place_orphan): Set or clear is_relro.
10607         (Script_sections::set_section_addresses): Force alignment of first
10608         TLS section.
10609         * yyscript.y (exp): Call script_data_segment_align and
10610         script_data_segment_relro_end.
10611         * testsuite/relro_script_test.t: New file.
10612         * testsuite/relro_test.cc (using_script): Declare.
10613         (t1, t2): Test using_script.
10614         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10615         (relro_script_test_SOURCES): Define.
10616         (relro_script_test_DEPENDENCIES): Define.
10617         (relro_script_test_LDFLAGS): Define.
10618         (relro_script_test_LDADD): Define.
10619         (relro_script_test.so): New target.
10620         * testsuite/Makefile.in: Rebuild.
10621
10622 2008-08-06  Cary Coutant <ccoutant@google.com>
10623
10624         * archive.cc (Archive::total_archives, Archive::total_members)
10625         (Archive::total_members_loaded): New variables.
10626         (Archive::setup): Add parameter.  Add option to preread
10627         archive symbols.
10628         (Archive::read_armap): Add counter.
10629         (Archive::get_file_and_offset): New function.
10630         (Archive::get_elf_object_for_member): New function.
10631         (Archive::read_all_symbols): New function.
10632         (Archive::read_symbols): New function.
10633         (Archive::add_symbols): Add counters.
10634         (Archive::include_all_members): Use armap to find members if it's
10635         already built.
10636         (Archive::include_member): Skip reading symbols if already read.
10637         Factored code into Archive::get_file_and_offset and
10638         Archive::get_elf_object_for_member.  Changed call to
10639         Mapfile::report_include_archive_member.
10640         (Archive::print_stats): New function.
10641         * archive.h: Declare Object and Read_symbols_data classes.
10642         (Archive::Archive): Add initializers for new members.
10643         (Archive::setup): Add parameter.
10644         (Archive::print_stats): New function.
10645         (Archive::total_archives, Archive::total_members)
10646         (Archive::total_members_loaded): New variables.
10647         (Archive::get_file_and_offset): New function.
10648         (Archive::get_elf_object_for_member): New function.
10649         (Archive::read_all_symbols): New function.
10650         (Archive::read_symbols): New function.
10651         (Archive::Archive_member): New class.
10652         (Archive::members_): New member.
10653         (Archive::num_members_): New member.
10654         * main.cc: Include archive.h.
10655         (main): Call Archive::print_stats.
10656         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10657         archive parameter; member_name is now the fully-decorated name.
10658         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10659         * options.h: (General_options): Add --preread-archive-symbols option.
10660         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10661         Archive::setup.
10662
10663 2008-08-04  Ian Lance Taylor  <iant@google.com>
10664
10665         * symtab.h (Symbol::use_plt_offset): New function.
10666         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10667         * powerpc.cc (Relocate::relocate): Likewise.
10668         * sparc.cc (Relocate::relocate): Likewise.
10669         * x86_64.cc (Relocate::relocate): Likewise.
10670         * testsuite/weak_plt.sh: New test.
10671         * testsuite/weak_plt_main.cc: New test.
10672         * testsuite/weak_plt_shared.cc: New test.
10673         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10674         (check_PROGRAMS): Add weak_plt.
10675         (check_DATA): Add weak_plt_shared.so.
10676         (weak_plt_main_pic.o, weak_plt): New targets.
10677         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10678         * testsuite/Makefile.in: Rebuild.
10679
10680         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10681         gcctestdir/ld.
10682         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10683         * testsuite/Makefile.in: Rebuild.
10684
10685 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10686
10687         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10688         * Makefile.in: Regenerate.
10689         * po/POTFILES.in: Regenerate.
10690
10691 2008-07-29  Ian Lance Taylor  <iant@google.com>
10692
10693         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10694         symbols before other symbols.
10695         * testsuite/script_test_2.cc (test_addr): Declare.
10696         (test_addr_alias): Declare.
10697         (main): Check that test_addr and test_addr_alias have the right
10698         values.
10699         * testsuite/script_test_2.t: Define test_addr_alias and
10700         test_addr.
10701
10702 2008-07-24  Ian Lance Taylor  <iant@google.com>
10703
10704         PR 5990
10705         * descriptors.cc: New file.
10706         * descriptors.h: New file.
10707         * gold-threads.h (class Hold_optional_lock): New class.
10708         * fileread.cc: Include "descriptors.h".
10709         (File_read::~File_read): Release descriptor rather than closing
10710         it.
10711         (File_read::open) [file]: Call open_descriptor rather than open.
10712         Set is_descriptor_opened_.
10713         (File_read::open) [memory]: Assert that descriptor is not open.
10714         (File_read::reopen_descriptor): New function.
10715         (File_read::release): Release descriptor.
10716         (File_read::do_read): Make non-const.  Reopen descriptor.
10717         (File_read::read): Make non-const.
10718         (File_read::make_view): Reopen descriptor.
10719         (File_read::do_readv): Likewise.
10720         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10721         Update declarations.
10722         * layout.cc: Include "descriptors.h".
10723         (Layout::create_build_id): Use open_descriptor rather than open.
10724         * output.cc: Include "descriptors.h".
10725         (Output_file::open): Use open_descriptor rather than open.
10726         * archive.cc (Archive::const_iterator): Change Archive to be
10727         non-const.
10728         (Archive::begin, Archive::end): Make non-const.
10729         (Archive::count_members): Likewise.
10730         * archive.h (class Archive): Update declarations.
10731         * object.h (Object::read): Make non-const.
10732         * Makefile.am (CCFILES): Add descriptors.cc.
10733         (HFILES): Add descriptors.h.
10734         * Makefile.in: Rebuild.
10735
10736         PR 6716
10737         * gold.h: Always include <clocale>.  Add Solaris workarounds
10738         following code in binutils/sysdep.h.
10739
10740         PR 6048
10741         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10742         this->eh_frame_hdr_ is NULL before using it.
10743
10744         * dynobj.cc (Versions::Versions): Update comment.
10745
10746         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10747         the base version name.
10748
10749         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10750         array size plus one.
10751         (Stringpool_template::set_string_offsets): Subtract one from key
10752         before using it as an array index.
10753         (Stringpool_template::get_offset_with_length): Likewise.
10754         (Stringpool_template::write_to_buffer): Likewise.
10755         * stringpool.h (Stringpool_template::get_offset_from_key):
10756         Likewise.
10757
10758 2008-07-23  Ian Lance Taylor  <iant@google.com>
10759
10760         PR 6658
10761         * object.h (Merged_symbol_value::value): Do our best to handle a
10762         negative addend.
10763
10764         PR 6647
10765         * script.cc (Version_script_info::get_versions): Don't add empty
10766         version tag to return value.
10767         (Version_script_info::get_symbol_version_helper): Change return
10768         type to bool.  Add pversion parameter.  Change all callers.
10769         (script_register_vers_node): Don't require a non-NULL tag.
10770         * script.h (class Version_script_info): Update declarations.
10771         (Version_script_info::get_symbol_version): Change return type to
10772         bool.  Add version parameter.  Change all callers.
10773         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10774         handling.  Handle an empty version from a version script.
10775         (Symbol_table::define_special_symbol): Likewise.
10776         * testsuite/ver_test_10.script: New file.
10777         * testsuite/ver_test_10.sh: New file.
10778         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10779         (check_DATA): Add ver_test_10.syms.
10780         (ver_test_10.syms, ver_test_10.so): New target.
10781         * testsuite/Makefile.in: Rebuild.
10782
10783 2008-07-23  Simon Baldwin  <simonb@google.com>
10784
10785         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10786         to zero for undefined symbols from dynamic libraries.
10787
10788 2008-07-23  Ian Lance Taylor  <iant@google.com>
10789
10790         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10791         Change all callers.
10792         * symtab.h (class Symbol_table): Update declaration.
10793         * testsuite/ver_test_9.cc: New file.
10794         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10795         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10796         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10797         (ver_test_9.so, ver_test_9.o): New targets.
10798         * testsuite/Makefile.in: Rebuild.
10799
10800 2008-07-22  Ian Lance Taylor  <iant@google.com>
10801
10802         * options.h (class General_options): Define --check-sections.
10803         * layout.cc (Layout::set_segment_offsets): Handle
10804         --check-sections.
10805
10806         * options.h (class General_options): Define -n/--nmagic and
10807         -N/--omagic.
10808         * options.cc (General_options::finalize): For -n/--nmagic or
10809         -N/--omagic, set -static.
10810         * layout.cc (Layout::attach_allocated_section_to_segment): If
10811         -N/--omagic, don't put read-only and read-write sections in
10812         different segments.
10813         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10814         finding a read-only segment.
10815         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10816         don't set the minimum segment alignment to the common page size,
10817         and don't set the file offset to the address modulo the page size.
10818         * script-sections.cc (Script_sections::create_segments): If
10819         -n/--omagic, don't put read-only and read-write sections in
10820         different segments.
10821
10822         * cref.cc: New file.
10823         * cref.h: New file.
10824         * options.h (class General_options): Add --print-symbol-counts.
10825         * main.cc (main): Issue defined symbol report if requested.
10826         * archive.cc (Archive::interpret_header): Make into a const member
10827         function.
10828         (Archive::add_symbols): Call Input_objects::archive_start and
10829         archive_stop.
10830         (Archive::const_iterator): Define new class.
10831         (Archive::begin, Archive::end): New functions.
10832         (Archive::include_all_members): Rewrite to use iterator.
10833         (Archive::count_members): New function.
10834         * archive.h (class Archive): Update declarations.
10835         (Archive::filename): New function.
10836         * object.cc: Include "cref.h".
10837         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10838         (Sized_relobj::do_get_global_symbol_counts): New function.
10839         (Input_objects::add_object): Add object to cross-referencer.
10840         (Input_objects::archive_start): New function.
10841         (Input_objects::archive_stop): New function.
10842         (Input_objects::print_symbol_counts): New function.
10843         * object.h: Declare Cref and Archive.
10844         (Object::get_global_symbol_counts): New function.
10845         (Object::do_get_global_symbol_counts): New pure virtual function.
10846         (class Sized_relobj): Add defined_count_ field.  Update
10847         declarations.
10848         (class Input_objects): Add cref_ field.  Update constructor.
10849         Update declarations.
10850         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10851         defined_count_.
10852         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10853         symbol counts.
10854         (Sized_dynobj::do_get_global_symbol_counts): New function.
10855         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10856         defined_count_.  Update declarations.  Define Symbols typedef.
10857         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10858         parameter.  Change all callers.
10859         (Symbol_table::add_from_dynobj): Add sympointers and defined
10860         parameters.  Change all callers.
10861         * symtab.h (class Symbol_table): Update declarations.
10862         * Makefile.am (CCFILES): Add cref.cc.
10863         (HFILES): Add cref.h.
10864         * Makefile.in: Rebuild.
10865
10866 2008-07-22  Simon Baldwin  <simonb@google.com>
10867
10868         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10869         to zero when writing undefined symbols.
10870
10871 2008-07-22  Ian Lance Taylor  <iant@google.com>
10872
10873         * output.cc (Output_section::add_input_section): Don't try to
10874         merge empty merge sections.
10875
10876 2008-07-21  Craig Silverstein  <csilvers@google.com>
10877
10878         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10879         Include symbol version in error message.
10880
10881 2008-07-20  Chris Demetriou  <cgd@google.com>
10882
10883         * configure.ac (gold_cv_c_random_seed): New configured variable.
10884         (RANDOM_SEED_CFLAGS): New substituted variable.
10885         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10886         * configure: Rebuild.
10887         * Makefile.in: Likewise.
10888         * testsuite/Makefile.in: Likewise.
10889
10890 2008-07-18  Ian Lance Taylor  <iant@google.com>
10891
10892         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10893         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10894         * testsuite/ver_test_main.cc (main): Call t4.
10895         (t4, t4_2a): Define.
10896         * testsuite/ver_test_2.cc (t4_2): Define.
10897         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10898         * testsuite/ver_test_4.cc (t4_2a): Define.
10899         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10900         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10901
10902 2008-07-17  Ian Lance Taylor  <iant@google.com>
10903
10904         * dynobj.cc (Versions::add_def): If we give an error about a
10905         missing version, go ahead and create the version anyhow.
10906
10907 2008-07-10  Ian Lance Taylor  <iant@google.com>
10908
10909         Handle output sections with more than 0x7fffffff bytes.
10910         * object.h (class Relobj): Change map_to_output_ to
10911         output_sections_, and just keep a section pointer.  Change all
10912         uses.  Move comdat group support to Sized_relobj.
10913         (Relobj::is_section_specially_mapped): Remove.
10914         (Relobj::output_section): Remove poff parameter.  Change all
10915         callers.
10916         (Relobj::output_section_offset): New function.
10917         (Relobj::set_section_offset): Rewrite.
10918         (Relobj::map_to_output): Remove.
10919         (Relobj::output_sections): New function.
10920         (Relobj::do_output_section_offset): New pure virtual function.
10921         (Relobj::do_set_section_offset): Likewise.
10922         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10923         group support from Relobj.  Update declarations.
10924         (Sized_relobj::get_output_section_offset): New function.
10925         (Sized_relobj::do_output_section_offset): New function.
10926         (Sized_relobj::do_set_section_offset): New function.
10927         * object.cc (Relobj::output_section_address): Remove.
10928         (Sized_relobj::Sized_relobj): Initialize new fields.
10929         (Sized_relobj::include_section_group): Cast find_kept_object to
10930         Sized_relobj.
10931         (Sized_relobj::include_linkonce_section): Likewise.
10932         (Sized_relobj::do_layout): Use separate arrays for output section
10933         and output offset.
10934         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10935         output_sections.
10936         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10937         output_sections and section_offsets.
10938         (Sized_relobj::write_local_symbols): Likewise.
10939         (map_to_kept_section): Compute output address directly.
10940         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10941         output_sections and section_offsets.
10942         (Sized_relobj::write_sections): Likewise.
10943         (Sized_relobj::relocate_sections): Likewise.
10944         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10945         * output.h (class Output_reloc): Update declarations.  Change
10946         u2_.relobj to Sized_relobj*.
10947         (class Output_data_reloc): Change add functions to use
10948         Sized_relobj*.
10949         * output.cc (Output_reloc::Output_reloc): Change relobj to
10950         Sized_relobj*.
10951         (Output_reloc::local_section_offset): Change return type to
10952         Elf_Addr.  Use get_output_section_offset.
10953         (Output_reloc::get_address): Likewise.
10954         (Output_section::is_input_address_mapped): Don't call
10955         is_section_specially_mapped.
10956         (Output_section::output_offset): Likewise.
10957         (Output_section::output_address): Likewise.
10958         (Output_section::starting_output_address): Likewise.
10959         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10960         parameter to Sized_relobj*.
10961         (Copy_relocs::need_copy_reloc): Likewise.
10962         (Copy_relocs::save): Likewise.
10963         * copy-relocs.h (class Copy_relocs): Update declarations.
10964         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10965         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10966         * target-reloc.h (relocate_for_relocatable): Change
10967         offset_in_output_section type to Elf_Addr.  Change code that uses
10968         it as well.
10969         * layout.cc (Layout::layout): Always set *off.
10970         * mapfile.cc (Mapfile::print_input_section): Use
10971         output_section_offset.
10972         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10973         Sized_relobj*.
10974         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10975         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10976         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10977
10978 2008-07-03  Ian Lance Taylor  <iant@google.com>
10979
10980         * layout.cc (Layout::include_section): Do not discard unrecognized
10981         SHT_STRTAB sections.
10982
10983 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10984
10985         * script.cc (Lex::can_continue_name): Make '?' allowable in
10986         version-script names.
10987         * testsuite/version_script.map: Change glob pattern to use '?'
10988
10989 2008-06-30  Manish Singh  <yosh@gimp.org>
10990
10991         PR 6585
10992         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10993         Correct typo.
10994
10995 2008-06-30  Ian Lance Taylor  <iant@google.com>
10996
10997         PR 6660
10998         PR 6682
10999         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11000         versions]: Don't try to read the value in the contents, since we
11001         don't use it.  Use the template endianness when writing.
11002
11003 2008-06-25  Cary Coutant  <ccoutant@google.com>
11004
11005         * fileread.cc (File_read::make_view): Assert on zero-length view.
11006         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11007         symbol table when there are no symbols to read.
11008
11009 2008-06-23  Craig Silverstein  <csilvers@google.com>
11010
11011         * version.cc (version_string): Bump to 1.7
11012
11013 2008-06-18  Craig Silverstein  <csilvers@google.com>
11014
11015         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11016         constant 0xFFFF to type Valtype.
11017         (Powerpc_relocate_functions::rel16_ha): Likewise.
11018
11019 2008-06-17  Ian Lance Taylor  <iant@google.com>
11020
11021         * output.h (Output_section::Input_section): Initialize p2align_ to
11022         zero for Output_section_data constructors.
11023         (Output_section::Input_section::addralign): If not an input
11024         section, return the alignment of the Output_section_data.
11025         * testsuite/copy_test.cc: New file.
11026         * testsuite/copy_test_1.cc: New file.
11027         * testsuite/copy_test_2.cc: New file.
11028         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11029         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11030         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11031         (copy_test_1_pic.o, copy_test_1.so): New targets.
11032         (copy_test_2_pic.o, copy_test_2.so): New targets.
11033         * testsuite/Makefile.in: Rebuild.
11034
11035         * script-sections.cc (Script_sections::place_orphan): Initialize
11036         local variable exact.
11037
11038 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11039
11040         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11041
11042 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11043             David S. Miller  <davem@davemloft.net>
11044
11045         * powerpc.cc: New file.
11046         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11047         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11048         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11049         * Makefile.in: Rebuild.
11050
11051 2008-06-09  Ian Lance Taylor  <iant@google.com>
11052
11053         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11054         <exception>.
11055         (throwing, orig_terminate): New static variables.
11056         (terminate_handler): New static function.
11057         (t2): Set terminate handler.
11058
11059 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11060
11061         PR 6584
11062         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11063         alignment.
11064
11065 2008-05-30  Cary Coutant  <ccoutant@google.com>
11066
11067         * archive.cc (Archive::include_all_members) Correct to step
11068         over symbol table and extended name table in thin archives.
11069
11070 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11071
11072         PR 6407
11073         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11074         calculation.
11075
11076 2008-05-28  Caleb Howe  <cshowe@google.com>
11077
11078         * reduced_debug_output.cc: New file.
11079         * reduced_debug_output.h: New file.
11080         * options.h (class General_options): Add --strip-debug-non-line.
11081         * options.cc (General_options::finalize): Add strip_debug_non_line
11082         to the strip heirarchy.
11083         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11084         fields.
11085         * layout.cc: Include "reduced_debug_output.h".
11086         (Layout::Layout): Initialize new fields.
11087         (line_only_debug_sections): New static array.
11088         (is_lines_only_debug_sections): New static inline function.
11089         (Layout::include_section): Handle --strip-debug-non-line.
11090         (Layout::make_output_section): If --strip-debug-non-line, build
11091         new output sections for .debug_abbrev and .debug_info.
11092         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11093         gold.  Warn about possible overflow.
11094         (read_signed_LEB_128): Likewise.
11095         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11096         (read_signed_LEB_128): Declare.
11097         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11098         (HFILES): Add reduced_debug_output.h.
11099         * Makefile.in: Rebuild.
11100
11101 2008-05-21  Ian Lance Taylor  <iant@google.com>
11102
11103         * mapfile.cc: New file.
11104         * mapfile.h: New file.
11105         * options.h (class General_options): Add -M/--print-map and -Map.
11106         * options.cc (General_options::finalize): Make -M equivalent to
11107         -Map -.
11108         * main.cc: Include <cstdio> and "mapfile.h".
11109         (main): Open mapfile if requested.
11110         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11111         constructor.  Change caller.
11112         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11113         (queue_middle_tasks): Likewise.
11114         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11115         declarations.
11116         * archive.cc: Include "mapfile.h".
11117         (Archive::add_symbols): Add mapfile parameter.  Change all
11118         callers.  Pass mapfile, symbol, and reason to include_member.
11119         (Archive::include_all_members): Add mapfile parameter.  Change all
11120         callers.
11121         (Archive::include_member): Add mapfile, sym, and why parameters.
11122         Change all callers.  Report inclusion to map file.
11123         * archive.h: Include "fileread.h".
11124         (class Archive): Update declarations.
11125         (Archive::file): New const method.
11126         (class Add_archive_symbols): Add mapfile_ field.  Update
11127         constructor.  Change all callers.
11128         * readsyms.h (class Read_symbols): Likewise.
11129         (class Finish_group): Likewise.
11130         (class Read_script): Likewise.
11131         * common.cc: Include "mapfile.h".
11132         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11133         all callers.
11134         (Symbol_table::do_allocate_commons): Likewise.
11135         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11136         symbol allocation to mapfile.
11137         * common.h (class Allocate_commons_task): Add mapfile_ field.
11138         Update constructor.  Change all callers.
11139         * symtab.h (class Symbol_table): Update declarations.
11140         * layout.cc: Include "mapfile.h".
11141         (Layout_task_runner::run): Print information to mapfile.
11142         (Layout::create_gold_note): Change Output_data_fixed_space to
11143         Output_data_zero_fill.
11144         (Layout::create_build_id): Likewise.
11145         (Layout::print_to_mapfile): New function.
11146         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11147         constructor.  Change caller.
11148         (class Layout): Declare print_to_mapfile.
11149         * output.cc (Output_section::Input_section::print_to_mapfile): New
11150         function.
11151         (Output_section::add_input_section): If producing a map, always
11152         add to input_sections_ list.
11153         (Output_section::do_print_to_mapfile): New function.
11154         (Output_segment::print_sections_to_mapfile): New function.
11155         (Output_segment::print_section_list_to_mapfile): New function.
11156         * output.h: Include "mapfile.h".
11157         (Output_data::print_to_mapfile): New function.
11158         (Output_data::do_print_to_mapfile): New virtual function.
11159         (Output_segment_headers::do_print_to_mapfile): New function.
11160         (Output_file_header::do_print_to_mapfile): New function.
11161         (Output_data_const::do_print_to_mapfile): New function.
11162         (class Output_data_const_buffer): Add map_name_ field.  Update
11163         constructor.  Change all callers.  Add do_print_to_mapfile
11164         function.
11165         (class Output_data_fixed_space): Likewise.
11166         (class Output_data_space): Likewise.
11167         (class Output_data_zero_fill): New class.
11168         (Output_data_strtab::do_print_to_mapfile): New function.
11169         (Output_data_reloc_base::do_print_to_mapfile): New function.
11170         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11171         (Output_data_group::do_print_to_mapfile): New function.
11172         (Output_data_got::do_print_to_mapfile): New function.
11173         (Output_data_dynamic::do_print_to_mapfile): New function.
11174         (Output_symtab_xindex::do_print_to_mapfile): New function.
11175         (class Output_section): Declare do_print_to_mapflie.  Declare
11176         print_to_mapfile in Input_section.
11177         (class Output_segment): Declare new functions.
11178         * object.h (Sized_relobj::symbol_count): New function.
11179         * script-sections.cc
11180         (Output_section_element_dot_assignment::set_section_addresses):
11181         Change Output_data_fixed_space to Output_data_zero_fill.
11182         (Output_data_expression::do_print_to_mapfile): New function.
11183         * script.cc (read_input_script): Add mapfile parameter.  Change
11184         all callers.
11185         * script.h (read_input_script): Update declaration.
11186         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11187         (Eh_frame::do_print_to_mapfile): New function.
11188         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11189         (Output_merge_string::do_print_to_mapfile): New function.
11190         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11191         function.
11192         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11193         function.
11194         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11195         function.
11196         * Makefile.am (CCFILES): Add mapfile.cc.
11197         (HFILES): Add mapfile.h.
11198         * Makefile.in: Rebuild.
11199
11200 2008-05-19  Ian Lance Taylor  <iant@google.com>
11201
11202         * options.h (class General_options): Add -z relro.
11203         * layout.cc (Layout::Layout): Initialize relro_segment_.
11204         (Layout::add_output_section_data): Return the output section.
11205         (Layout::make_output_section): Rcognize relro sections and mark
11206         them appropriately.
11207         (Layout::attach_allocated_section_to_segment): Put relro sections
11208         in a PT_GNU_RELRO segment.
11209         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11210         section as relro.
11211         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11212         PT_TLS segments.
11213         (Layout::linkonce_mapping): Map d.rel.ro.local to
11214         .data.rel.ro.local.
11215         (Layout::output_section_name): Us .data.rel.ro.local for any
11216         section which begins with that.
11217         * layout.h (class Layout): Update add_output_section_data
11218         declaration.  Add relro_segment_ field.
11219         * output.cc (Output_section::Output_section): Initialize is_relro_
11220         and is_relro_local_ fields.
11221         (Output_segment::add_output_section): Group relro sections.
11222         (Output_segment::is_first_section_relro): New function.
11223         (Output_segment::maximum_alignment): If there is a relro section,
11224         align the segment to the common page size.
11225         (Output_segment::set_section_addresses): Track whether we are
11226         looking at relro sections.  If the last section is a relro
11227         section, align to the common page size.
11228         (Output_segment::set_section_list_addresses): Add in_relro
11229         parameter.  Change all callers.  Align to the page size when
11230         moving from relro to non-relro section.
11231         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11232         segment.
11233         * output.h (class Output_section): Add is_relro_ and
11234         is_relro_local_ fields.
11235         (Output_section::is_relro): New function.
11236         (Output_section::set_is_relro): New function.
11237         (Output_section::is_relro_local): New function.
11238         (Output_section::set_is_relro_local): New function.
11239         (class Output_segment): Update declarations.
11240         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11241         * sparc.cc (Target_sparc::got_section): Likewise.
11242         * x86_64.cc (Target_x86_64::got_section): Likewise.
11243         * testsuite/relro_test_main.cc: New file.
11244         * testsuite/relro_test.cc: New file.
11245         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11246         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11247         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11248         (relro_test.so, relro_test_pic.o): New targets.
11249         * testsuite/Makefile.in: Rebuild.
11250
11251 2008-05-16  Ian Lance Taylor  <iant@google.com>
11252
11253         * output.cc (Output_segment::add_output_section): Remove front
11254         parameter.
11255         * output.h (class Output_segment): Remove
11256         add_initial_output_section and overloaded add_output_section.
11257         Update declaration of remaining add_output_section.
11258         * layout.cc (Layout::create_interp): Call add_output_section
11259         rather than add_initial_output_section.
11260         (Layout::finish_dynamic_section): Likewise.
11261
11262         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11263         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11264         know the dynamic type.
11265         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11266         field.  Initialize it in constructor.
11267         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11268         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11269         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11270         reloc.
11271
11272         * output.cc (Output_reloc::get_address): Change return type to
11273         Elf_Addr.
11274         * output.h (class Output_reloc): Update get_address declaration.
11275         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11276         for section addresses.
11277
11278 2008-05-09  Ian Lance Taylor  <iant@google.com>
11279
11280         PR 6493
11281         * gold.cc (gold_nomem): Use return value of write.
11282
11283 2008-05-08  Ian Lance Taylor  <iant@google.com>
11284
11285         * symtab.c (Symbol::init_base_output_data): Add version
11286         parameter.  Change all callers.
11287         (Symbol::init_base_output_segment): Likewise.
11288         (Symbol::init_base_constant): Likewise.
11289         (Symbol::init_base_undefined): Likewise.
11290         (Sized_symbol::init_output_data): Likewise.
11291         (Sized_symbol::init_output_segment): Likewise.
11292         (Sized_symbol::init_constant): Likewise.
11293         (Sized_symbol::init_undefined): Likewise.
11294         (Symbol_table::do_define_in_output_data): If the new symbol has a
11295         version, mark it as the default.
11296         (Symbol_table::do_define_in_output_segment): Likewise.
11297         (Symbol_table::do_define_as_constant): Likewise.
11298         * symtab.h (class Symbol): Update declarations.
11299         (class Sized_symbol): Likewise.
11300         * resolve.cc (Symbol::override_version): New function.
11301         (Symbol::override_base): Call override_version.
11302         (Symbol::override_base_with_special): Likewise.
11303         * testsuite/ver_script_8.script: New file.
11304         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11305         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11306         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11307         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11308
11309 2008-05-06  Ian Lance Taylor  <iant@google.com>
11310
11311         PR 6049
11312         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11313         functions.
11314         (class General_options): Remove existing --undefined, and add
11315         --no-undefined instead.  Add new --undefined as synonym for -u.
11316         * archive.cc (Archive::add_symbols): Check whether symbol was
11317         named with -u.
11318         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11319         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11320         all uses.  Add IS_UNDEFINED.  Update declarations to split
11321         different versions of init_base.  Declare init_base_undefined.
11322         (Symbol::is_defined): Handle IS_UNDEFINED.
11323         (Symbol::is_undefined): Likewise.
11324         (Symbol::is_weak_undefined): Call is_undefined.
11325         (Symbol::is_absolute): Handle IS_CONSTANT.
11326         (class Sized_symbol): Update declarations to split different
11327         versions of init.  Declare init_undefined.
11328         (class Symbol_table): Declare new functions.
11329         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11330         Change all callers.
11331         (Symbol::init_base_output_data): Likewise.
11332         (Symbol::init_base_output_segment): Likewise.
11333         (Symbol::init_base_constant): Likewise.
11334         (Symbol::init_base_undefined): New function.
11335         (Sized_symbol::init_object): Rename from init.  Change all
11336         callers.
11337         (Sized_symbol::init_output_data): Likewise.
11338         (Sized_symbol::init_output_segment): Likewise.
11339         (Sized_symbol::init_constant): Likewise.
11340         (Sized_symbol::init_undefined): New function.
11341         (Symbol_table::add_undefined_symbols_from_command_line): New
11342         function.
11343         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11344         function.
11345         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11346         (Symbol::output_section): Likewise.
11347         (Symbol::set_output_section): Likewise.
11348         (Symbol_table::sized_finalize_symbol): Likewise.
11349         (Symbol_table::sized_write_globals): Likewise.
11350         * resolve.cc (Symbol_table::should_override): Likewise.
11351         (Symbol::override_base_with_special): Likewise.
11352
11353         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11354         symbol, change it to have default visibility.
11355         * testsuite/protected_1.cc: New file.
11356         * testsuite/protected_2.cc: New file.
11357         * testsuite/protected_3.cc: New file.
11358         * testsuite/protected_main_1.cc: New file.
11359         * testsuite/protected_main_2.cc: New file.
11360         * testsuite/protected_main_3.cc: New file.
11361         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11362         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11363         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11364         (protected_1.so): New target.
11365         (protected_1_pic.o, protected_2_pic.o): New targets.
11366         (protected_3_pic.o): New target.
11367         (check_PROGRAMS): Add protected_2.
11368         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11369         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11370         * testsuite/Makefile.in: Rebuild.
11371
11372         * options.h (DEFINE_var): Add set_user_set_##varname__.
11373         (DEFINE_bool_alias): New macro.
11374         (class General_options): Define -Bstatic using DEFINE_bool_alias
11375         rather than DEFINE_special.  Add --undefined as an alias for -z
11376         defs.
11377         * options.cc (General_options::parse_Bstatic): Remove.
11378
11379         * options.h (class General_options): Add --fatal-warnings.
11380         * main.cc (main): Implement --fatal-warnings.
11381         * errors.h (Errors::warning_count): New function.
11382
11383         * options.h (class General_options): Add -Bsymbolic-functions.
11384         * symtab.h (Symbol::is_preemptible): Check for
11385         -Bsymbolic-functions.
11386
11387 2008-05-05  Ian Lance Taylor  <iant@google.com>
11388
11389         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11390         as noVARNAME rather than no-VARNAME.
11391         (class General_options): Add option -z combreloc.
11392         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11393         get_address.
11394         (Output_reloc::sort_before) [SHT_REL]: New function.
11395         (Output_reloc::sort_before) [SHT_RELA]: New function.
11396         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11397         Sort_relocs_comparison.
11398         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11399         parameter.  Change all callers.
11400         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11401         sort_relocs parameter.  Change all callers.
11402         * output.cc (Output_reloc::get_address): New function, broken out
11403         of write_rel.
11404         (Output_reloc::write_rel): Call it.
11405         (Output_reloc::compare): New function.
11406         (Output_data_reloc_base::do_write): Optionally sort relocs.
11407
11408         * configure.ac: If targ_extra_obj is set, link it in.
11409         * configure.tgt: Initialize all variables.
11410         (x86_64*): Set targ_extra_obj and targ_extra_size.
11411         * configure: Rebuild.
11412
11413         * object.cc (Sized_relobj::include_section_group): Adjust section
11414         indexes read from group data.  Build vector to pass to
11415         layout_group.
11416         * layout.cc (Layout::layout_group): Add flags and shndxes
11417         parameters.  Remove contents parameter.  Change caller.  Update
11418         explicit instantiations.
11419         * layout.h (class Layout): Update layout_group declaration.
11420         * output.cc (Output_data_group::Output_data_group): Add flags and
11421         input_shndxes parameters.  Remove contents parameter.  Change
11422         caller.
11423         (Output_data_group::do_write): Change input_sections_ to
11424         input_shndxes_.
11425         * output.h (class Output_data_group): Update constructor
11426         declaration.  Rename input_sections_ to input_shndxes_.
11427         * testsuite/many_sections_test.cc: Add template.
11428
11429 2008-04-30  Cary Coutant  <ccoutant@google.com>
11430
11431         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11432
11433         * layout.cc (Layout::include_section): Refactored check for debug
11434         info section.
11435         (Layout::add_comdat): Add new parameters.  Change type
11436         of signature parameter.  Add object and shndx to signatures table.
11437         (Layout::find_kept_object): New function.
11438         * layout.h: Include <cstring>.
11439         (Layout::is_debug_info_section): New function.
11440         (Layout::add_comdat): Add new parameters.
11441         (Layout::find_kept_object): New function.
11442         (Layout::Kept_section): New struct.
11443         (Layout::Signatures): Change type of map range.
11444         * object.cc (Relobj::output_section_address): New function.
11445         (Sized_relobj::include_section_group): Add new parameters.  Change
11446         calls to Layout::add_comdat.  Change to build table of kept comdat
11447         groups and table mapping discarded sections to kept sections.
11448         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11449         (Sized_relobj::do_layout): Change calls to include_section_group and
11450         include_linkonce_section.
11451         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11452         value to zero when section is discarded.
11453         (Sized_relobj::map_to_kept_section): New function.
11454         * object.h (Relobj::output_section_address): New function.
11455         (Relobj::Comdat_group): New type.
11456         (Relobj::find_comdat_group): New function.
11457         (Relobj::Comdat_group_table): New type.
11458         (Relobj::Kept_comdat_section): New type.
11459         (Relobj::Kept_comdat_section_table): New type.
11460         (Relobj::add_comdat_group): New function.
11461         (Relobj::set_kept_comdat_section): New function.
11462         (Relobj::get_kept_comdat_section): New function.
11463         (Relobj::comdat_groups_): New field.
11464         (Relobj::kept_comdat_sections_): New field.
11465         (Symbol_value::input_value): Update comment.
11466         (Sized_relobj::map_to_kept_section) New function.
11467         (Sized_relobj::include_linkonce_section): Add new parameter.
11468         * target-reloc.h (Comdat_behavior): New type.
11469         (get_comdat_behavior): New function.
11470         (relocate_section): Add code to map a discarded section to the
11471         corresponding kept section when applying a relocation.
11472
11473 2008-04-30  Craig Silverstein  <csilvers@google.com>
11474
11475         * dwarf_reader.cc (next_generation_count): New static var.
11476         (Addr2line_cache_entry): New struct.
11477         (addr2line_cache): New static var.
11478         (Dwarf_line_info::one_addr2line): Added caching.
11479         (Dwarf_line_info::clear_addr2line_cache): New function.
11480         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11481         cache-size parameter.
11482         (Dwarf_line_info::one_addr2line_cache): New function.
11483         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11484         new cache-size argument to one_addr2line(), and clear cache.
11485
11486 2008-04-28  Cary Coutant  <ccoutant@google.com>
11487
11488         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11489         R_386_PC8 relocations.
11490
11491 2008-04-23  Ian Lance Taylor  <iant@google.com>
11492
11493         * object.cc (Sized_relobj::include_section_group): Check for
11494         invalid section group.
11495
11496         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11497         header size.
11498
11499         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11500         than read for file header.
11501         * archive.cc (Archive::include_member): Likewise.
11502
11503 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11504
11505         * aclocal.m4: Regenerate.
11506         * configure: Regenerate.
11507
11508 2008-04-19  Ian Lance Taylor  <iant@google.com>
11509
11510         * version.cc (version_string): Bump to 1.6.
11511
11512         * testsuite/Makefile.am (many_sections_r_test): New target.
11513         (many_sections_r_test_SOURCES): Remove.
11514         (many_sections_r_test_DEPENDENCIES): Remove.
11515         (many_sections_r_test_LDFLAGS): Remove.
11516         (many_sections_r_test_LDADD): Remove.
11517
11518         * object.cc (Sized_relobj::do_add_symbols): Always pass
11519         local_symbol_count_ to add_from_relobj.
11520
11521         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11522         every thousand variables.
11523         * testsuite/Makefile.in: Rebuild.
11524
11525         * object.cc (Xindex::initialize_symtab_xindex): New function.
11526         (Xindex::read_symtab_xindex): New function.
11527         (Xindex::sym_xindex_to_shndx): New function.
11528         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11529         available.
11530         (Sized_relobj::do_initialize_xindex): New function.
11531         (Sized_relobj::do_read_symbols): Adjust section links.
11532         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11533         parameter.  Change all callers.
11534         (Sized_relobj::include_section_group): Adjust section links and
11535         symbol section indexes.
11536         (Sized_relobj::do_layout): Adjust section links.
11537         (Sized_relobj::do_count_local_symbols): Adjust section links and
11538         symbol section indexes.
11539         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11540         ordinary and special symbols.
11541         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11542         dynsym_xindex parameters.  Change all callers.  Adjust section
11543         links.  Use SHN_XINDEX when needed.
11544         (Sized_relobj::get_symbol_location_info): Adjust section links.
11545         Don't get fooled by special symbols.
11546         * object.h (class Xindex): Define.
11547         (class Object): Add xindex_ parameter.  Declare virtual functoin
11548         do_initialize_xindex.
11549         (Object::adjust_sym_shndx): New function.
11550         (Object::set_xindex): New protected function.
11551         (class Symbol_value): Add is_ordinary_shndx_ field.
11552         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11553         (Symbol_value::value): Assert ordinary section.
11554         (Symbol_value::initialize_input_to_output_map): Likewise.
11555         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11556         Change all callers.
11557         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11558         all callers.
11559         (class Sized_relobj): Update declarations.
11560         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11561         parameter.  Change all callers.
11562         (Sized_relobj::adjust_shndx): New function.
11563         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11564         field.
11565         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11566         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11567         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11568         (Sized_dynobj::read_dynsym_section): Adjust section links.
11569         (Sized_dynobj::read_dynamic): Likewise.
11570         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11571         section links.
11572         (Sized_dynobj::do_initialize_xindex): New function.
11573         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11574         do_initialize_xindex.
11575         (Sized_dynobj::adjust_shndx): New function.
11576         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11577         dynsym_xindex_ fields.
11578         (Layout::finalize): Add a call to set_section_indexes before
11579         creating the symtab sections.
11580         (Layout::set_section_indexes): Don't do anything if the section
11581         already has a section index.
11582         (Layout::create_symtab_sections): Add shnum parameter.  Change
11583         caller.  Create .symtab_shndx section if needed.
11584         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11585         caller.
11586         (Layout::allocated_output_section_count): New function.
11587         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11588         needed.
11589         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11590         fields.  Update declarations.
11591         (Layout::symtab_xindex): New function.
11592         (Layout::dynsym_xindex): New function.
11593         (class Write_symbols_task): Add layout_ field.
11594         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11595         Change caller.
11596         * output.cc (Output_section_headers::Output_section_headers): Add
11597         shstrtab_section parameter.  Change all callers.
11598         (Output_section_headers::do_sized_write): Store overflow values
11599         for section count and section string table section index in
11600         section header zero.
11601         (Output_file_header::do_sized_write): Check for overflow of
11602         section count and section string table section index.
11603         (Output_symtab_xindex::do_write): New function.
11604         (Output_symtab_xindex::endian_do_write): New function.
11605         * output.h (class Output_section_headers): Add shstrtab_section_.
11606         Update declarations.
11607         (class Output_symtab_xindex): Define.
11608         (Output_section::has_out_shndx): New function.
11609         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11610         field.
11611         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11612         Change all callers.
11613         (Sized_symbol::init): Likewise.
11614         (Symbol::output_section): Check for ordinary symbol.
11615         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11616         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11617         callers.
11618         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11619         Change all callers.  Simplify handling of symbols from sections
11620         not included in the link.
11621         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11622         distinction.
11623         (Weak_alias_sorter::operator()): Assert that symbols are
11624         ordinary.
11625         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11626         distinction.
11627         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11628         parameters.  Change all callers.
11629         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11630         symbol distinction.  Use SHN_XINDEX when needed.
11631         (Symbol_table::write_section_symbol): Add symtab_xindex
11632         parameter.  Change all callers.
11633         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11634         SHN_XINDEX when needed.
11635         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11636         declarations.
11637         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11638         (Symbol::is_defined): Check is_ordinary.
11639         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11640         (Symbol::is_absolute, Symbol::is_common): Likewise.
11641         (class Sized_symbol): Update declarations.
11642         (class Symbol_table): Update declarations.
11643         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11644         parameters.  Change all callers.
11645         (Sized_symbol::override): Likewise.
11646         (Symbol_table::override): Likewise.
11647         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11648         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11649         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11650         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11651         to be in an ordinary section.
11652         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11653         object and is_ordinary parameters.  Change all callers.
11654         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11655         Change all callers.  Don't add undefined or non-ordinary symbols
11656         to reloc_map_.
11657         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11658         Change all callers.
11659         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11660         declarations.
11661         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11662         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11663         (Sized_relobj::relocate_sections): Likewise.
11664         * target-reloc.h (scan_relocs): Adjust section symbol index.
11665         (scan_relocatable_relocs): Likewise.
11666         * i386.cc (Scan::local): Check for ordinary symbols.
11667         * sparc.cc (Scan::local): Likewise.
11668         * x86_64.cc (Scan::local): Likewise.
11669         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11670         to symbol_section_and_value.
11671         * testsuite/many_sections_test.cc: New file.
11672         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11673         (check_PROGRAMS): Add many_sections_test.
11674         (many_sections_test_SOURCES): Define.
11675         (many_sections_test_DEPENDENCIES): Define.
11676         (many_sections_test_LDFLAGS): Define.
11677         (BUILT_SOURCES): Add many_sections_define.h.
11678         (many_sections_define.h): New target.
11679         (BUILT_SOURCES): Add many_sections_check.h.
11680         (many_sections_check.h): New target.
11681         (check_PROGRAMS): Add many_sections_r_test.
11682         (many_sections_r_test_SOURCES): Define.
11683         (many_sections_r_test_DEPENDENCIES): Define.
11684         (many_sections_r_test_LDFLAGS): Define.
11685         (many_sections_r_test_LDADD): Define.
11686         (many_sections_r_test.o): New target.
11687         * testsuite/Makefile.in: Rebuild.
11688
11689 2008-04-17  Cary Coutant  <ccoutant@google.com>
11690
11691         * errors.cc (Errors::info): New function.
11692         (gold_info): New function.
11693         * errors.h (Errors::info): New function.
11694         * gold.h (gold_info): New function.
11695         * object.cc (Input_objects::add_object): Print trace output.
11696         * options.cc (options::parse_set): New function.
11697         (General_options::parse_wrap): Deleted.
11698         (General_options::General_options): Deleted initializer.
11699         * options.h (options::String_set): New typedef.
11700         (options::parse_set): New function.
11701         (DEFINE_set): New macro.
11702         (General_options::wrap): Changed to use DEFINE_set. Changed
11703         callers of any_wrap_symbols and is_wrap_symbol.
11704         (General_options::trace, General_options::trace_symbol):
11705         New options.
11706         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11707         (General_options::wrap_symbols_): Deleted.
11708         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11709
11710 2008-04-17  David S. Miller  <davem@davemloft.net>
11711
11712         * options.cc (General_options::parse_V): New function.
11713         * options.h: Add entries for -V and -Qy.
11714
11715 2008-04-17  Ian Lance Taylor  <iant@google.com>
11716
11717         * common.cc (Symbol_table::allocate_commons): Remove options
11718         parameter.  Change caller.
11719         (Symbol_table::do_allocate_commons): Remove options parameter.
11720         Change caller.  Just call do_allocate_commons_list twice.
11721         (Symbol_table::do_allocate_commons_list): New function, broken out
11722         of do_allocate_commons.
11723         * common.h (class Allocate_commons_task): Remove options_ field.
11724         Update constructor.
11725         * symtab.cc (Symbol_table::Symbol_table): Initialize
11726         tls_commons_.
11727         (Symbol_table::add_from_object): Put TLS common symbols on
11728         tls_commons_ list.
11729         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11730         which are IN_OUTPUT_DATA.
11731         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11732         allocate_commons and do_allocate_commons declarations.  Declare
11733         do_allocate_commons_list.
11734         * gold.cc (queue_middle_tasks): Update creation of
11735         Allocate_commons_task to not pass options.
11736         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11737         (TLS_TEST_C_FLAGS): New variable.
11738         (tls_test_c_pic.o): New target.
11739         (tls_test_shared.so): Link in tls_test_c_pic.o.
11740         (tls_test_c_pic_ie.o): New target.
11741         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11742         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11743         (tls_test_c.o): New target.
11744         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11745         (tls_pic_test_LDADD): Likewise.
11746         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11747         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11748         (tls_test_c_gnu2.o): New target.
11749         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11750         tls_test_c_gnu2.o.
11751         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11752         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11753         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11754         * testsuite/tls_test.cc: Include "config.h".
11755         (t_last): Call t11_last.
11756         * testsuite/tls_test.h (t11, t11_last): Declare.
11757         * testsuite/tls_test_c.c: New file.
11758         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11759         * configure.ac: Check for OpenMP support.
11760         * configure, config.in, Makefile.in: Rebuild.
11761         * testsuite/Makefile.in: Rebuild.
11762
11763 2008-04-16  Cary Coutant  <ccoutant@google.com>
11764
11765         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11766         (Target_i386::tls_base_symbol_defined_): New field.
11767         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11768         (Target_i386::Scan::global): Likewise.
11769         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11770         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11771         (Target_x86_64::tls_base_symbol_defined_): New field.
11772         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11773         (Target_x86_64::Scan::global): Likewise.
11774
11775 2008-04-16  Cary Coutant  <ccoutant@google.com>
11776
11777         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11778         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11779         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11780         building shared libraries.
11781         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11782         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11783         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11784         * testsuite/Makefile.in: Rebuild.
11785         * testsuite/weak_undef.h: New file.
11786         * testsuite/weak_undef_file1.cc: Add extra test cases.
11787         * testsuite/weak_undef_file2.cc: Likewise.
11788         * testsuite/weak_undef_test.cc: Likewise.
11789
11790 2008-04-16  David S. Miller  <davem@davemloft.net>
11791
11792         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11793         Add issued_non_pic_error_ field.  Declare check_non_pic.
11794         (Target_sparc::Scan::check_non_pic): New function.
11795         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11796         (Target_sparc::Scan::global): Likewise.
11797
11798         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11799         * configure: Rebuild.
11800
11801         * options.h (DEFINE_enable): New macro.
11802         (new_dtags): New enable option.
11803         (initfirst, interpose, loadfltr, nodefaultlib,
11804         nodelete, nodlopen, nodump): New -z options.
11805         * layout.cc (Layout:finish_dynamic_section): If new
11806         dtags enabled, emit DT_RUNPATH.  Also, emit a
11807         DT_FLAGS_1 containing any specified -z flags.
11808
11809 2008-04-16  Ian Lance Taylor  <iant@google.com>
11810
11811         * copy-relocs.cc: New file.
11812         * copy-relocs.h: New file.
11813         * reloc.cc: Remove Copy_relocs code.
11814         * reloc.h: Likewise.
11815         * reloc-types.h (struct Reloc_types) [both versions]: Add
11816         get_reloc_addend_noerror.
11817         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11818         variants of add_global which take an addend which must be zero.
11819         * i386.cc: Include "copy-relocs.h".
11820         (class Target_i386): Change type of copy_relocs_ to variable,
11821         update initializer.
11822         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11823         Change all callers.
11824         (Target_i386::do_finalize_sections): Change handling of
11825         copy_relocs_.
11826         * sparc.cc: Include "copy-relocs.h".
11827         (class Target_sparc): Change type of copy_relocs_ to variable,
11828         update initializer.
11829         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11830         Change all callers.
11831         (Target_sparc::do_finalize_sections): Change handling of
11832         copy_relocs_.
11833         * x86_64.cc: Include "copy-relocs.h".
11834         (class Target_x86_64): Change type of copy_relocs_ to variable,
11835         update initializer.
11836         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11837         class.  Change all callers.
11838         (Target_x86_64::do_finalize_sections): Change handling of
11839         copy_relocs_.
11840         * Makefile.am (CCFILES): Add copy-relocs.cc.
11841         (HFILES): Add copy-relocs.h.
11842
11843         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11844
11845         * testsuite/script_test_4.sh: Permit leading zeroes.
11846
11847 2008-04-15  Ian Lance Taylor  <iant@google.com>
11848
11849         * script-sections.cc (Script_sections::create_segments): Use
11850         header_size_adjustment even when there is enough room for the
11851         headers.
11852         * testsuite/script_test_4.sh: New file.
11853         * testsuite/script_test_4.t: New file.
11854         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11855         (check_DATA): Add script_test_4.stdout.
11856         (MOSTLYCLEANFILES): Likewise.
11857         (script_test_4): New target.
11858         (script_test_4.stdout): New target.
11859         * testsuite/Makefile.in: Rebuild.
11860
11861         * sparc.cc: Add definitions for Output_data_plt_sparc class
11862         constants.
11863
11864 2008-04-14  David S. Miller  <davem@davemloft.net>
11865
11866         * sparc.cc: New file.
11867         * Makefile.am (TARGETSOURCES): Add sparc.cc
11868         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11869         * configure.tgt: Document targ_extra_size and
11870         targ_extra_big_endian.  Add entries for sparc-* and
11871         sparc64-*.
11872         * configure.ac: Handle targ_extra_size and
11873         targ_extra_big_endian.
11874         * Makefile.in: Rebuild.
11875         * configure: Likewise.
11876         * po/POTFILES.in: Likewise.
11877         * po/gold.pot: Likewise.
11878
11879 2008-04-14  Ian Lance Taylor  <iant@google.com>
11880
11881         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11882         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11883         in the name/type/flags to section mapping.  Don't call
11884         allocate_output_section.
11885         (Layout::choose_output_section): Change parameter from adjust_name
11886         to is_input_section.  Don't permit input sections after sections
11887         are attached to segments.  Don't call allocate_output_section.
11888         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11889         not write_enable_output_section.
11890         (Layout::make_output_section): Don't push to
11891         unattached_section_list_ nor call attach_to_segment.  Call
11892         attach_section_to_segment if sections are attached.
11893         (Layout::attach_sections_to_segments): New function.
11894         (Layout::attach_section_to_segment): New function.
11895         (Layout::attach_allocated_section_to_segment): Rename from
11896         attach_to_segment.  Remove flags parameter.
11897         (Layout::allocate_output_section): Remove function.
11898         (Layout::write_enable_output_section): Remove function.
11899         * layout.h (class Layout): Update for above changes.  Add new
11900         field sections_are_attached_.
11901         * output.h (Output_section::update_flags_for_input_section): New
11902         function.
11903         * output.cc (Output_section::add_input_section): Call
11904         update_flags_for_input_section.
11905         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11906
11907 2008-04-11  Cary Coutant  <ccoutant@google.com>
11908
11909         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11910         thought unnecessary.
11911         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11912
11913 2008-04-11  Ian Lance Taylor  <iant@google.com>
11914
11915         * output.h (class Output_section_data): Remove inline definition
11916         of set_addralign.
11917         * output.cc (Output_section_data::set_addralign): New function.
11918
11919 2008-04-11  Cary Coutant  <ccoutant@google.com>
11920
11921         Add support for TLS descriptors for i386 and x86_64.
11922         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11923         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11924         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11925         GOT_TYPE_TLS_DESC.
11926         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11927         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11928         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11929         relocations.
11930         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11931         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11932         Fix problem with initial-exec relocations.
11933         (Target_i386::Relocate::relocate_tls): Likewise.
11934         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11935         relaxation.
11936         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11937         support for section-plus-offset dynamic table entries.
11938         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11939         (Output_data_dynamic::Dynamic_entry): Add support for
11940         section-plus-offset dynamic table entries.
11941         (Output_data_dynamic::Classification): Likewise.
11942         (Output_data_dynamic::classification_): Renamed offset_.
11943         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11944         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11945         (Target_x86_64::make_plt_section): New function.
11946         (Target_x86_64::reserve_tlsdesc_entries): New function.
11947         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11948         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11949         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11950         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11951         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11952         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11953         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11954         add extra PLT entry for TLS descriptors.
11955         (Output_data_plt_x86_64::got_): New field.
11956         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11957         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11958         fields.
11959         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11960         descriptors.
11961         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11962         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11963         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11964         R_386_TLS_DESC_CALL relocations.
11965         (Target_x86_64::Scan::global): Likewise.
11966         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11967         for TLS descriptors.
11968         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11969         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11970         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11971         GD-to-IE relaxation.
11972         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11973         and TLS_DESCRIPTORS.
11974         * Makefile.in: Rebuild.
11975         * configure: Rebuild.
11976         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11977         (tls_test_shared2.so): New target.
11978         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11979         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11980         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11981         (tls_shared_gd_to_ie_test_LDADD): New variable.
11982         (tls_shared_gnu2_gd_to_ie_test): New target.
11983         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11984         New targets.
11985         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11986         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11987         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11988         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11989         (tls_shared_gnu2_test): New target.
11990         (tls_test_gnu2_shared.so): New target.
11991         (tls_shared_gnu2_test_SOURCES): New variable.
11992         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11993         (tls_shared_gnu2_test_LDFLAGS): New variable.
11994         (tls_shared_gnu2_test_LDADD): New variable.
11995         * testsuite/Makefile.in: Rebuild.
11996         * testsuite/Makefile.
11997
11998 2008-04-11  Ian Lance Taylor  <iant@google.com>
11999
12000         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12001         justsyms.t.
12002         * testsuite/Makefile.in: Rebuild.
12003
12004         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12005         long.
12006         * testsuite/script_test_2.cc (main): Adjust test.
12007
12008 2008-04-11  David S. Miller  <davem@davemloft.net>
12009             Ian Lance Taylor  <iant@google.com>
12010
12011         * options.h (General_options): Add entries for '-Y' and
12012         '-relax'.
12013         * options.cc (General_options:finalize): If -Y was used, add those
12014         entries to the library path instead of the default "/lib" and
12015         "/usr/lib".
12016
12017 2008-04-11  David S. Miller  <davem@davemloft.net>
12018
12019         * testsuite/justsyms.t: Start at 0x100.
12020         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12021         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12022         long.
12023         * testsuite/script_test_2.cc: Adjust string and section length
12024         checks.
12025
12026 2008-04-09  Ian Lance Taylor  <iant@google.com>
12027
12028         PR gold/5996
12029         * script-sections.cc (Sections_element::allocate_to_segment): Add
12030         orphan parameter.
12031         (Output_section_definition::allocate_to_segment): Likewise.
12032         (Orphan_output_section::allocate_to_segment): Likewise.
12033         (Script_sections::attach_sections_using_phdrs_clause): Don't
12034         propagate non-PT_LOAD segments to orphan sections.
12035         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12036         readelf rather than objdump.
12037         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12038         .interp section and PT_INTERP segment are the same size.
12039         * testsuite/Makefile.in: Rebuild.
12040
12041         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12042         aliases for symbols defined in the same object.
12043         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12044         (weak_alias_test_SOURCES): New variable.
12045         (weak_alias_test_DEPENDENCIES): New variable.
12046         (weak_alias_test_LDFLAGS): New variable.
12047         (weak_alias_test_LDADD): New variable.
12048         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12049         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12050         (weak_alias_test_3.o): New target.
12051         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12052         * testsuite/weak_alias_test_main.cc: New file.
12053         * testsuite/weak_alias_test_1.cc: New file.
12054         * testsuite/weak_alias_test_2.cc: New file.
12055         * testsuite/weak_alias_test_3.cc: New file.
12056
12057 2008-04-08  Ian Lance Taylor  <iant@google.com>
12058
12059         * options.h (class General_options): Add --noinhibit-exec option.
12060         * main.cc (main): Check --noinhibit-exec.
12061
12062         * options.h (class General_options): Define --wrap as a special
12063         option.  Add wrap_symbols_ field.
12064         (General_options::any_wrap_symbols): New function.
12065         (General_options::is_wrap_symbol): New function.
12066         * options.cc (General_options::parse_wrap): New function.
12067         (General_options::General_options): Initialize wrap_symbols_.
12068         * symtab.cc (Symbol_table::wrap_symbol): New function.
12069         (Symbol_table::add_from_object): Handle --wrap.
12070         * symtab.h (class Symbol_table): Declare wrap_symbol.
12071         * target.h (Target::wrap_char): New function.
12072         (Target::Target_info): Add wrap_char field.
12073         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12074         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12075         * testsuite/testfile.cc (Target_test::test_target_info):
12076         Likewise.
12077
12078         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12079         there is one.
12080
12081         * layout.h (class Layout): Add added_eh_frame_data_ field.
12082         * layout.cc (Layout::Layout): Initialize new field.
12083         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12084         output section until we find a section we merged successfully.
12085         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12086         that the size be non-zero.
12087
12088         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12089         qualifier.
12090
12091 2008-04-08  Craig Silverstein  <csilvers@google.com>
12092
12093         * configure.ac: Export new conditional variable HAVE_ZLIB.
12094         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12095         on HAVE_ZLIB.
12096         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12097         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12098
12099 2008-04-07  Ian Lance Taylor  <iant@google.com>
12100
12101         * version.cc (version_string): Set to "1.5".
12102
12103         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12104         Add issued_non_pic_error_ field.  Declare check_non_pic.
12105         (Target_x86_64::Scan::check_non_pic): New function.
12106         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12107         (Target_x86_64::Scan::global): Likewise.
12108
12109         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12110         addend parameter.  Change caller.  Handle merge sections.
12111         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12112         Address to Addend.  Don't add in the result of
12113         local_section_offset, pass down the addend and use the returned
12114         value.
12115         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12116         Update declarations of local_section_offset and symbol_value.
12117         * testsuite/two_file_test_1.cc (t18): New function.
12118         * testsuite/two_file_test_2.cc (f18): New function.
12119         * testsuite/two_file_test_main.cc (main): Call t18.
12120         * testsuite/two_file_test.h (t18, f18): Declare.
12121
12122         * configure.ac: Don't test for objdump, c++filt, or readelf.
12123         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12124         conditionals.
12125         (TEST_READELF): New variable.
12126         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12127         (check_PROGRAMS): Add two_file_strip_test.
12128         (two_file_strip_test): New target.
12129         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12130         (two_file_same_shared_strip_test_SOURCES): New variable.
12131         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12132         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12133         (two_file_same_shared_strip_test_LDADD): New variable.
12134         (two_file_shared_strip.so): New target.
12135         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12136         (ver_test_5.syms, ver_test_7.syms): Likewise.
12137         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12138         (strip_test_3.stdout): Use TEST_OBJDUMP.
12139         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12140
12141 2008-04-04  Cary Coutant  <ccoutant@google.com>
12142
12143         * symtab.h (Symbol::is_weak_undefined): New function.
12144         (Symbol::is_strong_undefined): New function.
12145         (Symbol::is_absolute): New function.
12146         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12147         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12148         absolute symbols.
12149         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12150         (weak_undef_test): New target.
12151         * testsuite/Makefile.in: Rebuild.
12152         * testsuite/weak_undef_file1.cc: New file.
12153         * testsuite/weak_undef_file2.cc: New file.
12154         * testsuite/weak_undef_test.cc: New file.
12155
12156 2008-04-03  Craig Silverstein  <csilvers@google.com>
12157
12158         * compressed_output.h (class Output_compressed_section): Use
12159         unsigned buffer.
12160         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12161         add zlib header.
12162         (zlib_compressed_suffix): Removed.
12163         (Output_compressed_section::set_final_data_size): Use unsigned
12164         buffers.
12165         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12166         Fix linker invocation.
12167         (flagstest_o_specialfile_and_compress_debug_sections):
12168         Likewise.
12169         * testsuite/Makefile.in: Regenerated.
12170
12171 2008-04-02  David S. Miller  <davem@davemloft.net>
12172
12173         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12174         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12175
12176 2008-04-02  Craig Silverstein  <csilvers@google.com>
12177
12178         * TODO: New file.
12179
12180 2008-04-02  Ian Lance Taylor  <iant@google.com>
12181
12182         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12183         parameters.  Update for new key type to views_.  Change all
12184         callers.
12185         (File_read::read): Adjust for byteshift in returned view.
12186         (File_read::add_view): New function, broken out of
12187         find_and_make_view.
12188         (File_read::make_view): New function, broken out of
12189         find_and_make_view.
12190         (File_read::find_or_make_view): Add offset and aligned
12191         parameters.  Rewrite accordingly.  Change all callers.
12192         (File_read::get_view): Add offset and aligned parameters.  Adjust
12193         for byteshift in return value.
12194         (File_read::get_lasting_view): Likewise.
12195         * fileread.h (class File_read): Update declarations.
12196         (class File_read::View): Add byteshift_ field.  Add byteshift to
12197         constructor.  Add byteshift method.
12198         * archive.h (Archive::clear_uncached_views): New function.
12199         (Archive::get_view): Add aligned parameter.  Change all callers.
12200         * object.h (Object::get_view): Add aligned parameter.  Change all
12201         callers.
12202         (Object::get_lasting_view): Likewise.
12203
12204         * fileread.cc (File_read::release): Don't call clear_views if
12205         there are multiple objects.
12206         * fileread.h (File_read::clear_uncached_views): New function.
12207         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12208         on the archive.
12209
12210 2008-03-31  Cary Coutant  <ccoutant@google.com>
12211
12212         Add thin archive support.
12213         * archive.cc (Archive::armagt): New const.
12214         (Archive::setup): Remove task parameter and calls to unlock.
12215         (Archive::unlock_nested_archives): New function.
12216         (Archive::read_header): Add nested_off parameter. Change
12217         all callers.
12218         (Archive::interpret_header): Likewise.
12219         (Archive::include_all_members): Change to handle thin
12220         archives.
12221         (Archive::include_member): Likewise.
12222         * archive.h (Archive::Archive): Add new parameters and
12223         initializers.
12224         (Archive::armagt): New const.
12225         (Archive::setup): Remove task parameter.
12226         (Archive::unlock_nested_archives): New function.
12227         (Archive::read_header): Add nested_off parameter.
12228         (Archive::interpret_header): Likewise.
12229         (Archive::Nested_archive_table): New typedef.
12230         (Archive::is_thin_archive_): New field.
12231         (Archive::nested_archives_): New field.
12232         (Archive::options_): New field.
12233         (Archive::dirpath_): New field.
12234         (Archive::task_): New field.
12235         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12236         for thin archives.  Pass additional parameters to
12237         Archive::Archive.  Unlock the archive file after calling
12238         Archive::setup.
12239
12240 2008-03-29  Ian Lance Taylor  <iant@google.com>
12241
12242         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12243         version symbol to be local.
12244         * testsuite/ver_test_4.sh: New file.
12245         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12246         (check_DATA): Add ver_test_4.syms.
12247         (ver_test_4.syms): New target.
12248         * testsuite/Makefile.in: Rebuild.
12249
12250         * output.cc
12251         (Output_section::Input_section_sort_entry::has_priority): New
12252         function.
12253         (Output_section::Input_section_sort_entry::match_file_name): New
12254         function.
12255         (Output_section::Input_section_sort_entry::match_section_name):
12256         Remove.
12257         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12258         Remove.
12259         (Output_section::Input_section_sort_entry::match_section_file):
12260         Remove.
12261         (Output_section::Input_section_sort_compare::operator()): Rewrite
12262         using new Input_section_sort_entry functions.  Sort crtbegin and
12263         crtend first.  Sort sections with no priority before sections with
12264         a priority.
12265         * testsuite/initpri1.c (d3): Check j != 4.
12266         (cd5): New constructor/destructor function.
12267         (main): Check j != 2.
12268
12269         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12270         new symbol when resolving, don't call set_is_default.
12271         * testsuite/ver_test_7.cc: New file.
12272         * testsuite/ver_test_7.sh: New file.
12273         * testsuite/Makefile.am (ver_test_7.so): New target.
12274         (ver_test_7.o): New target.
12275         (check_SCRIPTS): Add ver_test_7.sh.
12276         (check_DATA): Add ver_test_7.syms.
12277         (ver_test_7.syms): New target.
12278
12279 2008-03-28  Ian Lance Taylor  <iant@google.com>
12280
12281         * layout.cc (Layout::layout): If we see an input section with a
12282         name that needs sorting, set the must_sort flag for the output
12283         section.
12284         (Layout::make_output_section): If the name of the output section
12285         indicates that it might require sorting, set the may_sort flag.
12286         * output.h (Output_section::may_sort_attached_input_sections): New
12287         function.
12288         (Output_section::set_may_sort_attached_input_sections): New
12289         function.
12290         (Output_section::must_sort_attached_input_sections): New
12291         function.
12292         (Output_section::set_must_sort_attached_input_sections): New
12293         function.
12294         (class Output_section): Declare Input_section_sort_entry.  Define
12295         Input_section_sort_compare.  Declare
12296         sort_attached_input_sections.  Add new fields:
12297         may_sort_attached_input_sections_,
12298         must_sort_attached_input_sections_,
12299         attached_input_sections_are_sorted_.
12300         * output.cc (Output_section::Output_section): Initialize new
12301         fields.
12302         (Output_section::add_input_section): Add an entry to
12303         input_sections_ if may_sort or must_sort are true.
12304         (Output_section::set_final_data_size): Call
12305         sort_attached_input_sections if necessary.
12306         (Output_section::Input_section_sort_entry): Define new class.
12307         (Output_section::Input_section_sort_compare::operator()): New
12308         function.
12309         (Output_section::sort_attached_input_sections): New function.
12310         * configure.ac: Check whether the compiler supports constructor
12311         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12312         * testsuite/initpri1.c: New file.
12313         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12314         CONSTRUCTOR_PRIORITY.
12315         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12316         (initpri1_LDFLAGS): New variable.
12317         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12318
12319 2008-03-27  Ian Lance Taylor  <iant@google.com>
12320
12321         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12322         * testsuite/common_test_1.c: New file.
12323         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12324         (common_test_1_SOURCES): New variable.
12325         (common_test_1_DEPENDENCIES): New variable.
12326         (common_test_1_LDFLAGS): New variable.
12327
12328         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12329         and commons_ correctly when NAME/VERSION does not override
12330         NAME/NULL.
12331         * testsuite/ver_test_6.c: New file.
12332         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12333         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12334         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12335
12336 2008-03-26  Ian Lance Taylor  <iant@google.com>
12337
12338         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12339         of an undefined symbol from a version script.
12340         * testsuite/Makefile.am (ver_test_5.so): New target.
12341         (ver_test_5.o): New target.
12342         (check_SCRIPTS): Add ver_test_5.sh.
12343         (check_DATA): Add ver_test_5.syms.
12344         (ver_test_5.syms): New target.
12345         * testsuite/ver_test_5.cc: New file.
12346         * testsuite/ver_test_5.script: New file.
12347         * testsuite/ver_test_5.sh: New file.
12348         * Makefile.in, testsuite/Makefile.in: Rebuild.
12349
12350         PR gold/5986
12351         Fix problems building gold with gcc 4.3.0.
12352         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12353         (gold_error_at_location, gold_warning_at_location): Use it.
12354         * configure.ac: Check whether we can compile and use a template
12355         function with a printf attribute.
12356         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12357         when jumping over bytes.
12358         * object.cc: Instantiate Object::read_section_data.
12359         * debug.h: Include <cstring>
12360         * dwarf_reader.cc: Include <algorithm>
12361         * main.cc: Include <cstring>.
12362         * options.cc: Include <cstring>.
12363         * output.cc: Include <cstring>.
12364         * script.cc: Include <cstring>.
12365         * script.h: Include <string>.
12366         * symtab.cc: Include <cstring> and <algorithm>.
12367         * target-select.cc: Include <cstring>.
12368         * version.cc: Include <string>.
12369         * testsuite/testmain.cc: Include <cstdlib>.
12370         * configure, config.in: Rebuild.
12371
12372 2008-03-25  Ian Lance Taylor  <iant@google.com>
12373
12374         * options.cc: Include "../bfd/bfdver.h".
12375         (options::help): Print bug reporting address.
12376
12377         * version.cc (print_version): Adjust output for current value of
12378         BFD_VERSION_STRING.
12379
12380         * NEWS: New file.
12381
12382         * options.cc (options::help): Print list of supported targets.
12383         * target-select.h: Include <vector>.
12384         (class Target_selector): Make machine_, size_, and is_big_endian_
12385         fields const.  Add bfd_name_ and instantiated_target_ fields.
12386         (Target_selector::Target_selector): Add bfd_name parameter.
12387         (Target_selector::recognize): Make non-virtual, call
12388         do_recognize.
12389         (Target_selector::recognize_by_name): Make non-virtual, call
12390         do_recognize_by_name.
12391         (Target_selector::supported_names): New function.
12392         (Target_selector::bfd_name): New function.
12393         (Target_selector::do_instantiate_target): New pure virtual
12394         function.
12395         (Target_selector::do_recognize): New virtual function.
12396         (Target_selector::do_recognize_by_name): New virtual function.
12397         (Target_selector::instantiate_target): New private function.
12398         (supported_target_names): Declare.
12399         * target-select.cc (Target_selector::Target_selector): Update for
12400         new parameter and fields.
12401         (select_target_by_name): Check that the name matches before
12402         calling recognize_by_name.
12403         (supported_target_names): New function.
12404         * i386.cc (class Target_selector_i386): Update Target_selector
12405         constructor call.  Remove recognize and recognize_by_name.  Add
12406         do_instantiate_target.
12407         * x86_64.cc (class Target_selector_x86_64): Likewise.
12408         * testsuite/testfile.cc (class Target_selector_test): Update for
12409         changes to Target_selector.
12410
12411         * README: Rewrite, with some notes on unsupported features.
12412
12413 2008-03-24  Cary Coutant  <ccoutant@google.com>
12414
12415         * i386.cc (Target_i386::Got_type): New enum declaration.
12416         (Target_i386::Scan::local): Updated callers of Output_data_got
12417         member functions.
12418         (Target_i386::Scan::global): Likewise.
12419         (Target_i386::Relocate::relocate): Likewise.
12420         (Target_i386::Relocate::relocate_tls): Likewise.
12421         * object.h (Got_offset_list): New class.
12422         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12423         (Sized_relobj::local_got_offset): Likewise.
12424         (Sized_relobj::set_local_got_offset): Likewise.
12425         (Sized_relobj::local_has_tls_got_offset): Removed.
12426         (Sized_relobj::local_tls_got_offset): Removed.
12427         (Sized_relobj::set_local_tls_got_offset): Removed.
12428         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12429         * output.cc (Output_data_got::add_global): Added got_type parameter.
12430         (Output_data_got::add_global_with_rel): Likewise.
12431         (Output_data_got::add_global_with_rela): Likewise.
12432         (Output_data_got::add_global_pair_with_rel): New function.
12433         (Output_data_got::add_global_pair_with_rela): New function.
12434         (Output_data_got::add_local): Added got_type parameter.
12435         (Output_data_got::add_local_with_rel): Likewise.
12436         (Output_data_got::add_local_with_rela): Likewise.
12437         (Output_data_got::add_local_pair_with_rel): New function.
12438         (Output_data_got::add_local_pair_with_rela): New function.
12439         (Output_data_got::add_global_tls): Removed.
12440         (Output_data_got::add_global_tls_with_rel): Removed.
12441         (Output_data_got::add_global_tls_with_rela): Removed.
12442         (Output_data_got::add_local_tls): Removed.
12443         (Output_data_got::add_local_tls_with_rel): Removed.
12444         (Output_data_got::add_local_tls_with_rela): Removed.
12445         * output.h (Output_data_got::add_global): Added got_type parameter.
12446         (Output_data_got::add_global_with_rel): Likewise.
12447         (Output_data_got::add_global_with_rela): Likewise.
12448         (Output_data_got::add_global_pair_with_rel): New function.
12449         (Output_data_got::add_global_pair_with_rela): New function.
12450         (Output_data_got::add_local): Added got_type parameter.
12451         (Output_data_got::add_local_with_rel): Likewise.
12452         (Output_data_got::add_local_with_rela): Likewise.
12453         (Output_data_got::add_local_pair_with_rel): New function.
12454         (Output_data_got::add_local_pair_with_rela): New function.
12455         (Output_data_got::add_global_tls): Removed.
12456         (Output_data_got::add_global_tls_with_rel): Removed.
12457         (Output_data_got::add_global_tls_with_rela): Removed.
12458         (Output_data_got::add_local_tls): Removed.
12459         (Output_data_got::add_local_tls_with_rel): Removed.
12460         (Output_data_got::add_local_tls_with_rela): Removed.
12461         * resolve.cc (Symbol::override_base_with_special): Removed
12462         reference to has_got_offset_ field.
12463         * symtab.cc (Symbol::init_fields): Replaced initialization
12464         of got_offset_ with got_offsets_.  Removed initialization
12465         of has_got_offset_
12466         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12467         (Symbol::got_offset): Likewise.
12468         (Symbol::set_got_offset): Likewise.
12469         (Symbol::has_tls_got_offset): Removed.
12470         (Symbol::tls_got_offset): Removed.
12471         (Symbol::set_tls_got_offset): Removed.
12472         (Symbol::got_offset_): Removed.
12473         (Symbol::tls_mod_got_offset_): Removed.
12474         (Symbol::tls_pair_got_offset_): Removed.
12475         (Symbol::got_offsets_): New field.
12476         (Symbol::has_got_offset): Removed.
12477         (Symbol::has_tls_mod_got_offset): Removed.
12478         (Symbol::has_tls_pair_got_offset): Removed.
12479         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12480         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12481         member functions.
12482         (Target_x86_64::Scan::global): Likewise.
12483         (Target_x86_64::Relocate::relocate): Likewise.
12484         (Target_x86_64::Relocate::relocate_tls): Likewise.
12485
12486 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12487
12488         * yyscript.y: Fix spelling error in comment.
12489
12490 2008-03-24  Ian Lance Taylor  <iant@google.com>
12491
12492         * options.h (class General_options): Define build_id option.
12493         * layout.h (class Layout): Declare write_build_id, create_note,
12494         create_build_id.  Add build_id_note_ member.
12495         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12496         "libiberty.h", "md5.h", "sha1.h".
12497         (Layout::Layout): Initialize eh_frame_data_,
12498         eh_frame_hdr_section_, and build_id_note_.
12499         (Layout::finalize): Call create_build_id.
12500         (Layout::create_note): New function, broken out of
12501         Layout::create_gold_note.
12502         (Layout::create_gold_note): Call create_note.
12503         (Layout::create_build_id): New function.
12504         (Layout::write_build_id): New function.
12505         (Close_task_runner::run): Call write_build_id.
12506
12507         * x86_64.cc: Correct license to GPLv3.
12508
12509 2008-03-23  Ian Lance Taylor  <iant@google.com>
12510
12511         * options.cc: Include "demangle.h".
12512         (parse_optional_string): New function.
12513         (parse_long_option): Handle takes_optional_argument.
12514         (parse_short_option): Update dash_z initializer.  Handle
12515         takes_optional_argument.
12516         (General_options::General_options): Initialize do_demangle_.
12517         (General_options::finalize): Set do_demangle_.  Handle demangling
12518         style.
12519         * options.h (parse_optional_string): Declare.
12520         (struct One_option): Add optional_arg field.  Update constructor.
12521         Update call constructor calls.  Add takes_optional_argument
12522         function.
12523         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12524         (DEFINE_optional_string): Define.
12525         (General_options::demangle): Change from DEFINE_bool to
12526         DEFINE_optional_string.
12527         (General_options::no_demangle): New function.
12528         (General_options::do_demangle): New function.
12529         (General_options::set_do_demangle): New function.
12530         (General_options::execstack_status_): Move definition to end of
12531         class definition.
12532         (General_options::static_): Likewise.
12533         (General_options::do_demangle_): New field.
12534         * object.cc (big_endian>::get_symbol_location_info): Call
12535         Options::do_demangle, not Options::demangle.
12536         * symtab.cc (demangle): Likewise.
12537
12538 2008-03-22  Ian Lance Taylor  <iant@google.com>
12539
12540         * gold.h: Include <cstddef> and <sys/types.h>
12541         * options.h: Include <cstring>.
12542
12543 2008-03-21  Ian Lance Taylor  <iant@google.com>
12544
12545         * Added source code to GNU binutils.