gold/ChangeLog

   1 2012-03-16  Doug Kwan  <dougkwan@google.com>
   2
   3         * testsuite/Makefile.am: Disable test initpri3b.
   4         * testsuite/Makefile.in: Regenerate.
   5
   6 2012-03-15  Doug Kwan  <dougkwan@google.com>
   7
   8         * arm.cc (Target_arm::got_section): Make .got section read-only
   9         if -z now is given.
  10
  11 2012-03-15  Ian Lance Taylor  <iant@google.com>
  12
  13         PR gold/13850
  14         * layout.cc (Layout::make_output_section): Correctly mark
  15         SHT_INIT_ARRAY, et. al., as relro.
  16
  17 2012-03-14  Doug Kwan  <dougkwan@google.com>
  18
  19         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
  20         dynamic relocations for protected symbols in shared objects.
  21
  22 2012-03-13  Ian Lance Taylor  <iant@google.com>
  23
  24         * resolve.cc (Symbol_table::resolve): When merging common symbols,
  25         keep the larger alignment.
  26
  27 2012-03-12  Cary Coutant  <ccoutant@google.com>
  28
  29         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
  30         handling of DW_LNE_define_file.
  31
  32 2012-03-12  Cary Coutant  <ccoutant@google.com>
  33
  34         * reduced_debug_output.cc
  35         (Output_reduced_debug_info_section::get_die_end): Add new FORM
  36         codes to switch.
  37
  38 2012-02-29  Cary Coutant  <ccoutant@google.com>
  39
  40         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
  41
  42 2012-02-29  Cary Coutant  <ccoutant@google.com>
  43
  44         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
  45         Call Object::decompressed_section_contents.
  46         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
  47         New dtor.
  48         (Sized_dwarf_line_info::buffer_start_): New data member.
  49         * merge.cc (Output_merge_data::do_add_input_section): Call
  50         Object::decompressed_section_contents.
  51         (Output_merge_string::do_add_input_section): Likewise.
  52         * object.cc (need_decompressed_section): New function.
  53         (build_compressed_section_map): Decompress sections needed later.
  54         (Sized_relobj_file::do_decompressed_section_contents): New function.
  55         (Sized_relobj_file::do_discard_decompressed_sections): New function.
  56         * object.h (Object::decompressed_section_contents): New function.
  57         (Object::discard_decompressed_sections): New function.
  58         (Object::do_decompressed_section_contents): New function.
  59         (Object::do_discard_decompressed_sections): New function.
  60         (Compressed_section_info): New type.
  61         (Compressed_section_map): Include decompressed section contents.
  62         (Sized_relobj_file::do_decompressed_section_contents): New function.
  63         (Sized_relobj_file::do_discard_decompressed_sections): New function.
  64
  65 2012-02-16  Cary Coutant  <ccoutant@google.com>
  66
  67         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
  68         * testsuite/Makefile.in: Regenerate.
  69
  70 2012-02-14  Cary Coutant  <ccoutant@google.com>
  71
  72         * options.cc (General_options::finalize): Disallow -pie and -static.
  73
  74 2012-02-03  Doug Kwan  <dougkwan@google.com>
  75
  76         * arm.cc (Arm_relocate_functions::abs8,
  77         Arm_relocate_functions::abs16): Use
  78         Bits::has_signed_unsigned_overflow32.
  79         (Arm_relocate_functions::thm_abs8): Correct range of
  80         overflow check.
  81         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
  82         in assertions.
  83
  84 2012-02-02  Doug Kwan  <dougkwan@google.com>
  85
  86         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
  87         position independent outputs, not just shared objects.
  88
  89 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
  90
  91         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
  92         * configure: Regenerated.
  93
  94 2012-01-27  Ian Lance Taylor  <iant@google.com>
  95
  96         * reloc.h (Bits): New class with static functions, copied from
  97         namespace utils in arm.cc.
  98         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
  99         instead.
 100
 101 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 102
 103         * incremental.cc (write_info_blocks): Correct relocation offset.
 104
 105 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 106
 107         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 108         (Relocate::tls_gd_to_le): Likewise.
 109
 110 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 111
 112         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 113
 114 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 115
 116         * configure.ac: Check if -mcmodel=medium works.
 117         * configure: Regenerated.
 118
 119 2012-01-24  Cary Coutant  <ccoutant@google.com>
 120
 121         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 122         definition and ...
 123         (read_unsigned_LEB_128_x): ... this new function.
 124         (read_signed_LEB_128): Replaced with inline definition and ...
 125         (read_signed_LEB_128_x): ... this new function.
 126         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 127         (read_unsigned_LEB_128): Add inline definition.
 128         (read_signed_LEB_128_x): New function.
 129         (read_signed_LEB_128): Add inline definition.
 130         * testsuite/Makefile.am (leb128_unittest): New unit test.
 131         * testsuite/Makefile.in: Regenerate.
 132         * testsuite/leb128_unittest.cc: New unit test.
 133
 134 2012-01-23  Ian Lance Taylor  <iant@google.com>
 135
 136         PR gold/13617
 137         * i386.cc (Target_i386::do_code_fill): When using a jmp
 138         instruction, pad with nop instructions.
 139         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 140
 141 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 142
 143         * x86_64.cc (gc_process_relocs): Add typename on types used in
 144         template.
 145         (scan_relocs): Likewise.
 146         (relocate_section): Likewise.
 147         (apply_relocation): Likewise.
 148
 149 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 150
 151         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 152         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 153         under x32.
 154
 155 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 156
 157         * x86_64.cc: Initial support for x32.
 158
 159 2012-01-03  Cary Coutant  <ccoutant@google.com>
 160
 161         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 162         Use abstract base class for GOT.
 163         * gold/output.h (class Output_data_got_base): New abstract base class.
 164         (class Output_data_got): Derive from new base class, adjust ctors.
 165         (Output_data_got::reserve_slot): Make virtual; rename to
 166         do_reserve_slot; Adjust callers.
 167         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 168         pointer to abstract base class.
 169         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 170
 171 2011-12-18  Ian Lance Taylor  <iant@google.com>
 172
 173         * object.h (Relobj::local_symbol_value): New function.
 174         (Relobj::local_plt_offset): New function.
 175         (Relobj::local_has_got_offset): New function.
 176         (Relobj::local_got_offset): New function.
 177         (Relobj::set_local_got_offset): New function.
 178         (Relobj::do_local_symbol_value): New pure virtual function.
 179         (Relobj::do_local_plt_offset): Likewise.
 180         (Relobj::do_local_has_got_offset): Likewise.
 181         (Relobj::do_local_got_offset): Likewise.
 182         (Relobj::do_set_local_got_offset): Likewise.
 183         (Sized_relobj::do_local_has_got_offset): Rename from
 184         local_has_got_offset.
 185         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 186         (Sized_relobj::do_set_local_got_offset): Rename from
 187         set_local_got_offset.
 188         (Sized_relobj_file::do_local_plt_offset): Rename from
 189         local_plt_offset.
 190         (Sized_relobj_file::do_local_symbol_value): New function.
 191         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 192         local_plt_offset.
 193         * output.cc (Output_data_got::Got_entry::write): Change object to
 194         Relobj.  Use local_symbol_value.
 195         (Output_data_got::add_global_with_rel): Change rel_dyn to
 196         Output_data_reloc_generic*.  Use add_global_generic.
 197         (Output_data_got::add_global_with_rela): Remove.  Change all
 198         callers to use add_global_with_rel.
 199         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 200         Output_data_reloc_generic*.  Use add_global_generic.
 201         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 202         callers to use add_global_pair_with_rel.
 203         (Output_data_got::add_local): Change object to Relobj*.
 204         (Output_data_got::add_local_plt): Likewise.
 205         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 206         change rel_dyn to Output_data_reloc_generic*.  Use
 207         add_local_generic.
 208         (Output_data_got::add_local_with_rela): Remove.  Change all
 209         callers to use all_local_with_rel.
 210         (Output_data_got::add_local_pair_with_rel): Change object to
 211         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 212         add_output_section_generic.
 213         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 214         callers to use add_local_pair_with_rel.
 215         (Output_data_got::reserve_local): Change object to Relobj*.
 216         * output.h: (class Output_data_reloc_generic): Add pure virtual
 217         declarations for add_global_generic, add_local_generic,
 218         add_output_section_generic.
 219         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 220         functions for Output_data_reloc_generic.  Update declarations for
 221         changes listed in output.cc.
 222         (class Output_data_got): Change template parameter to got_size.
 223         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 224         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 225         function.
 226         (Sized_relobj_incr::do_local_plt_offset): New function.
 227         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 228         add_global_generic.
 229
 230 2011-12-17  Cary Coutant  <ccoutant@google.com>
 231
 232         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 233         * resolve.cc (Symbol_table::resolve): Likewise.
 234         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 235         arrays.
 236         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 237
 238 2011-12-16  Ian Lance Taylor  <iant@google.com>
 239
 240         * output.h (Output_data_reloc_generic::add): Only call
 241         add_dynamic_reloc if this is a dynamic reloc section.
 242
 243 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 244
 245         PR gold/13505
 246         * target-reloc.h (apply_relocation): Replace <64, false> with
 247         <size, big_endian>.
 248
 249 2011-11-25  Nick Clifton  <nickc@redhat.com>
 250
 251         * po/it.po: New Italian translation.
 252
 253 2011-11-17  Sterling Augustine  <saugustine@google.com>
 254
 255         * script.cc (script_include_directive): Implement.
 256         (read_script_file): New local variables name and search_path. Update
 257         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 258         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 259         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 260
 261 2011-11-11  Sterling Augustine  <saugustine@google.com>
 262
 263         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 264         (file_or_sections_cmd): Likewise.
 265
 266 2011-11-11  Doug Kwan  <dougkwan@google.com>
 267
 268         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 269         if --just-symbols is given.
 270
 271 2011-11-10  Doug Kwan  <dougkwan@google.com>
 272
 273         PR gold/13362
 274         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 275         when processing data relocs.
 276         * reloc.h (Relocate_functions::rel_unaligned): New method.
 277         (Relocate_functions::pcrel_unaligned): Ditto.
 278         (Relocate_functions::rel32_unaligned): Ditto.
 279         (Relocate_functions::pcrel32_unaligned): Ditto.
 280
 281 2011-11-09  Doug Kwan  <dougkwan@google.com>
 282
 283         PR gold/13362
 284         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 285         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 286         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 287         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 288         (Relocate_functions::rel_unaligned): New.
 289         (Relocate_functions::rel32_unaligned): New.
 290         * target-reloc.h (relocate_for_relocatable): Add code to handle
 291         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 292         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 293         arm_unaligned_reloc_r): New targets.
 294         * testsuite/Makefile.in: Regenerate.
 295         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 296         linking.
 297
 298 2011-11-02  Ian Lance Taylor  <iant@google.com>
 299
 300         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 301         NATIVE_LINKER.
 302         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 303         * options.cc (General_options::finalize): Use library search path
 304         from configure script if specified.  If not native and no sysroot,
 305         only search TOOLLIBDIR.
 306         * options.h (Search_directory::Search_directory): Change name to
 307         const std::string&.
 308         (General_options::add_to_library_path_with_sysroot): Change arg to
 309         const std::string&.
 310         * configure, Makefile.in, config.in: Rebuild.
 311
 312 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 313
 314         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 315         we are working around the ARM1176 Erratum.
 316         * options.h (General_options::fix_arm1176): Add option.
 317         * testsuite/Makefile.am: Add testcases, and keep current ones
 318         working.
 319         * testsuite/Makefile.in: Regenerate.
 320         * testsuite/arm_fix_1176.s: New file.
 321         * testsuite/arm_fix_1176.sh: Likewise.
 322
 323 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 324
 325         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 326         may_use_blx_.
 327         (Target_arm::may_use_blx): Remove method.
 328         (Target_arm::set_may_use_blx): Likewise.
 329         (Target_arm::may_use_v4t_interworking): New method.
 330         (Target_arm::may_use_v5t_interworking): Likewise.
 331         (Target_arm::may_use_blx_): Remove member variable.
 332         (Arm_relocate_functions::arm_branch_common): Check for v5T
 333         interworking.
 334         (Arm_relocate_functions::thumb_branch_common): Likewise.
 335         (Reloc_stub::stub_type_for_reloc): Likewise.
 336         (Target_arm::do_finalize_sections): Correct interworking checks.
 337         * testsuite/Makefile.am: Add new tests.
 338         * testsuite/Makefile.in: Regenerate.
 339         * testsuite/arm_farcall_arm_arm.s: New test.
 340         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 341         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 342         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 343         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 344         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 345         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 346         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 347
 348 2011-10-31  Cary Coutant  <ccoutant@google.com>
 349
 350         PR gold/13023
 351         * expression.cc (Expression::eval_with_dot): Add
 352         is_section_dot_assignment parameter.
 353         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 354         absolute and assigning to dot within a section.
 355         * script-sections.cc
 356         (Output_section_element_assignment::set_section_addresses): Pass
 357         dot_section to set_if_absolute.
 358         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 359         as is_section_dot_assignment flag to eval_with_dot.
 360         (Output_section_element_dot_assignment::set_section_addresses):
 361         Likewise.
 362         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 363         parameter.  Also set value if relative to dot_section; set the
 364         symbol's output_section.
 365         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 366         parameter.  Adjust all callers.
 367         (Expression::eval_maybe_dot): Likewise.
 368         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 369         Adjust all callers.
 370         * testsuite/script_test_2.t: Test assignment of an absolute value
 371         to dot within an output section element.
 372
 373 2011-10-31  Cary Coutant  <ccoutant@google.com>
 374
 375         * options.h (class General_options): Add --[no-]gnu-unique options.
 376         * symtab.cc (Symbol_table::sized_write_globals): Convert
 377         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 378
 379 2011-10-31  Cary Coutant  <ccoutant@google.com>
 380
 381         PR gold/13359
 382         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 383         unnecessary assertion.
 384         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 385
 386 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 387
 388         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 389         gc_mark_symbol.
 390         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 391         gc_mark_symbol.
 392         Change to just keep the section associated with symbol.
 393         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 394         they are externally visible and --export-dynamic is turned on.
 395         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 396
 397 2011-10-19  Ian Lance Taylor  <iant@google.com>
 398
 399         PR gold/13163
 400         * script-sections.cc
 401         (Output_section_element_dot_assignment::needs_output_section): New
 402         function.
 403
 404 2011-10-19  Ian Lance Taylor  <iant@google.com>
 405
 406         PR gold/13204
 407         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 408         --section-start option was seen.
 409         * options.h (General_options::any_section_start): New function.
 410
 411 2011-10-18  David S. Miller  <davem@davemloft.net>
 412
 413         PR binutils/13301
 414         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 415         member to track relocation locations that have moved during TLS
 416         reloc optimizations.
 417         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 418         (Target_sparc::Relocate::relocate): Adjust view down by 4
 419         bytes if it matches reloc_adjust_addr_.
 420         (Target_sparc::Relocate::relocate_tls): Always move the
 421         __tls_get_addr call delay slot instruction forward 4 bytes when
 422         performing relaxation.
 423
 424 2011-10-18  Cary Coutant  <ccoutant@google.com>
 425
 426         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 427         (Output_file::map_no_anonymous): Check for non-zero
 428         return code from posix_fallocate.
 429
 430 2011-10-17  Cary Coutant  <ccoutant@google.com>
 431
 432         PR gold/13245
 433         * plugin.cc (is_visible_from_outside): Check for symbols
 434         referenced from dynamic objects.
 435         * resolve.cc (Symbol_table::resolve): Don't count references
 436         from dynamic objects as references from real ELF files.
 437         * testsuite/plugin_test_2.sh: Adjust expected result.
 438
 439 2011-10-17  Cary Coutant  <ccoutant@google.com>
 440
 441         * gold.cc: Include timer.h.
 442         (queue_middle_tasks): Stamp time.
 443         (queue_final_tasks): Likewise.
 444         * main.cc (main): Store timer in parameters.  Print timers
 445         for each pass.
 446         * parameters.cc (Parameters::Parameters): Initialize timer_.
 447         (Parameters::set_timer): New function.
 448         (set_parameters_timer): New function.
 449         * parameters.h (Parameters::set_timer): New function.
 450         (Parameters::timer): New function.
 451         (Parameters::timer_): New data member.
 452         (set_parameters_timer): New function.
 453         * timer.cc (Timer::stamp): New function.
 454         (Timer::get_pass_time): New function.
 455         * timer.h (Timer::stamp): New function.
 456         (Timer::get_pass_time): New function.
 457         (Timer::pass_times_): New data member.
 458
 459 2011-10-17  Cary Coutant  <ccoutant@google.com>
 460
 461         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 462         task for members of lib groups.
 463
 464 2011-10-17  Cary Coutant  <ccoutant@google.com>
 465
 466         PR gold/13288
 467         * fileread.cc (File_read::find_view): Add assert.
 468         (File_read::make_view): Move bounds check (replace with assert)...
 469         (File_read::find_or_make_view): ... to here.
 470
 471 2011-10-12  Cary Coutant  <ccoutant@google.com>
 472
 473         * output.cc (Output_file::open_base_file): Handle case where
 474         ::read returns less than requested size.
 475
 476 2011-10-10  Cary Coutant  <ccoutant@google.com>
 477
 478         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 479         Initialize defined_count_.
 480         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 481         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 482         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 483         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 484         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 485         * incremental.h (Sized_relobj_incr::defined_count_): New data
 486         member.
 487         (Sized_incr_dynobj::defined_count_): New data member.
 488         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 489         Return zeroes instead of internal error.
 490
 491 2011-10-10  Cary Coutant  <ccoutant@google.com>
 492
 493         PR gold/13249
 494         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 495         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 496         * output.h (class Output_reloc): Add use_plt_offset flag.
 497         (Output_reloc::type_): Adjust size of bit field.
 498         (Output_reloc::use_plt_offset_): New bit field.
 499         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 500         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 501         flag.  Adjust all callers.
 502         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 503         creating RELATIVE relocations.
 504
 505 2011-10-10  Nick Clifton  <nickc@redhat.com>
 506
 507         * po/es.po: Updated Spanish translation.
 508         * po/fi.po: Updated Finnish translation.
 509
 510 2011-10-03   Diego Novillo  <dnovillo@google.com>
 511
 512         * options.cc (parse_uint): Fix dereference of RETVAL.
 513
 514 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 515
 516         * layout.h (section_order_map_): New member.
 517         (get_section_order_map): New member function.
 518         * output.cc (Output_section::add_input_section): Check for patterns
 519         only when --section-ordering-file is specified.
 520         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 521         output_sections have been formed.
 522         * layout.cc (Layout_Layout): Initialize section_order_map_.
 523         * plugin.cc (update_section_order): Store order in order_map. Do not
 524         update the order.
 525         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 526         * testsuite/Makefile.in: Regenerate.
 527         * testsuite/plugin_section_order.c: New file.
 528         * testsuite/plugin_final_layout.cc: New file.
 529         * testsuite/plugin_final_layout.sh: New file.
 530
 531 2011-09-29  Cary Coutant  <ccoutant@google.com>
 532
 533         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 534         Check for NULL.
 535         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 536         symbols during incremental update.
 537         (Symbol_table::add_from_dynobj): Likewise.
 538
 539 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 540             Ian Lance Taylor  <iant@google.com>
 541
 542         * symtab.cc (Symbol_table::define_special_symbol): Always
 543         canonicalize version string.
 544
 545 2011-09-26  Cary Coutant  <ccoutant@google.com>
 546
 547         * gold.cc (queue_initial_tasks): Move option checks ...
 548         * options.cc (General_options::finalize): ... to here. Disable
 549         some options; make others fatal.
 550
 551 2011-09-26  Cary Coutant  <ccoutant@google.com>
 552
 553         gcc PR lto/47247
 554         * plugin.cc (get_symbols_v2): New function.
 555         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 556         (is_referenced_from_outside): New function.
 557         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 558         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 559         (get_symbols): Pass version parameter.
 560         (get_symbols_v2): New function.
 561         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 562         parameter.
 563         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 564         (onload): Add LDPT_GET_SYMBOLS_V2.
 565         (all_symbols_read_hook): Use get_symbols_v2; check for
 566         LDPR_PREVAILING_DEF_IRONLY_EXP.
 567         * testsuite/plugin_test_3.sh: Update expected results.
 568
 569 2011-09-23  Simon Baldwin  <simonb@google.com>
 570
 571         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 572         configuration options.
 573         * configure: Regenerate.
 574         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 575         * Makefile.in: Regenerate.
 576         * testsuite/Makefile.in: Regenerate.
 577
 578 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 579
 580         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 581
 582 2011-09-19  Cary Coutant  <ccoutant@google.com>
 583
 584         * incremental.cc (can_incremental_update): Fix typo in comment.
 585         * incremental.h (can_incremental_update): Likewise.
 586
 587 2011-09-18  Cary Coutant  <ccoutant@google.com>
 588
 589         * incremental.cc (can_incremental_update): New function.
 590         * incremental.h (can_incremental_update): New function.
 591         * layout.cc (Layout::init_fixed_output_section): Call it.
 592         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 593         * object.cc (Sized_relobj_file::do_layout): Call
 594         can_incremental_update.
 595
 596 2011-09-13  Cary Coutant  <ccoutant@google.com>
 597
 598         * configure.ac: Check for glibc support for gnu_indirect_function
 599         support with static linking, setting automake conditional
 600         IFUNC_STATIC.
 601         * Makefile.in: Regenerate.
 602         * configure: Regenerate.
 603
 604         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 605         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 606         for IFUNC_STATIC.
 607         * testsuite/Makefile.in: Regenerate.
 608
 609 2011-09-13  Cary Coutant  <ccoutant@google.com>
 610
 611         * incremental.cc (Sized_relobj_incr::do_layout): Call
 612         report_comdat_group for kept comdat sections.
 613         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 614         * testsuite/Makefile.in: Regenerate.
 615         * testsuite/incr_comdat_test_1.cc: New source file.
 616         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 617         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 618         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 619
 620 2011-09-13  Ian Lance Taylor  <iant@google.com>
 621
 622         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 623         variable external_symbols_offset.
 624
 625 2011-09-12  Ian Lance Taylor  <iant@google.com>
 626
 627         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 628         triggered if object has no symbols.
 629
 630 2011-09-09  David S. Miller  <davem@davemloft.net>
 631
 632         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 633         (Output_fill_debug_line::do_write): Likewise.
 634
 635 2011-08-29  Cary Coutant  <ccoutant@google.com>
 636
 637         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 638         casts to match formatting specs.
 639         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 640
 641 2011-08-26  Cary Coutant  <ccoutant@google.com>
 642
 643         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 644         remaining hole size when allocating.
 645         (Layout::make_output_section): Set fill methods for debug sections.
 646         * layout.h (Free_list::Free_list_node): Move from private to
 647         public.
 648         (Free_list::set_min_hole_size): New function.
 649         (Free_list::begin, Free_list::end): New functions.
 650         (Free_list::min_hole_): New data member.
 651         * output.cc: Include dwarf.h.
 652         (Output_fill_debug_info::do_minimum_hole_size): New function.
 653         (Output_fill_debug_info::do_write): New function.
 654         (Output_fill_debug_line::do_minimum_hole_size): New function.
 655         (Output_fill_debug_line::do_write): New function.
 656         (Output_section::Output_section): Initialize new data member.
 657         (Output_section::set_final_data_size): Ensure patch space is larger
 658         than minimum hole size.
 659         (Output_section::do_write): Fill holes in debug sections.
 660         * output.h (Output_fill): New class.
 661         (Output_fill_debug_info): New class.
 662         (Output_fill_debug_line): New class.
 663         (Output_section::set_free_space_fill): New function.
 664         (Output_section::free_space_fill_): New data member.
 665         * testsuite/Makefile.am (incremental_test_3): Add
 666         --incremental-patch option.
 667         (incremental_test_4): Likewise.
 668         (incremental_test_5): Likewise.
 669         (incremental_test_6): Likewise.
 670         (incremental_copy_test): Likewise.
 671         (incremental_common_test_1): Likewise.
 672         * testsuite/Makefile.in: Regenerate.
 673
 674 2011-08-26  Nick Clifton  <nickc@redhat.com>
 675
 676         * po/es.po: Updated Spanish translation.
 677
 678 2011-08-01  Cary Coutant  <ccoutant@google.com>
 679
 680         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 681         * gold/testsuite/Makefile.in: Regenerate.
 682         * gold/testsuite/justsyms_exec.c: New source file.
 683         * gold/testsuite/justsyms_lib.c: New source file.
 684
 685 2011-08-01  Cary Coutant  <ccoutant@google.com>
 686
 687         * layout.cc (Layout::set_segment_offsets): Don't realign text
 688         segment if -Ttext was specified.
 689         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 690         file type.
 691         * object.h (Sized_relobj_file::e_type): New function.
 692         (Sized_relobj_file::e_type_): New data member.
 693         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 694         base address for ET_EXEC files.
 695         * target.cc (Target::do_make_elf_object_implementation): Allow
 696         ET_EXEC files with --just-symbols option.
 697
 698 2011-07-28  Cary Coutant  <ccoutant@google.com>
 699
 700         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 701         Add thread_number parameter.
 702         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 703         * workqueue-threads.cc
 704         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 705         current thread if its thread number is greater than desired thread
 706         count.
 707         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 708         Add thread_number parameter.
 709         (Workqueue::should_cancel_thread): Likewise.
 710         (Workqueue::find_runnable_or_wait): Pass thread_number to
 711         should_cancel_thread.
 712         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 713         parameter.
 714
 715 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 716
 717         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 718         only after checking if it cannot be forced local.
 719         * symtab.h (is_externally_visible): Check if the symbol is not forced
 720         local.
 721
 722 2011-07-15  Ian Lance Taylor  <iant@google.com>
 723
 724         * options.h (class General_options): Add --print-output-format.
 725         Move -EL next to -EB, for  better --help output.
 726         * target-select.cc: Include <cstdio>, "options.h", and
 727         "parameters.h".
 728         (Target_selector::do_target_bfd_name): New function.
 729         (print_output_format): New function.
 730         * target-select.h (class Target_selector): Update declarations.
 731         (Target_selector::target_bfd_name): New function.
 732         (print_output_format): Declare.
 733         * main.cc: Include "target-select.h".
 734         (main): Handle --print-output-format.
 735         * gold.cc: Include "target-select.h".
 736         (queue_initial_tasks): Handle --print-output-format when there are
 737         no input files.
 738         * parameters.cc (parameters_force_valid_target): Give a better
 739         error message if -EB/-EL does not match target.
 740         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 741         function.
 742
 743 2011-07-15  Ian Lance Taylor  <iant@google.com>
 744
 745         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 746         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 747         (Output_data_plt_i386::do_write): Write address of .dynamic
 748         section to first entry in .got.plt section.
 749         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 750         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 751         Initialize layout_.
 752         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 753         section to first entry in .got.plt section.
 754         * layout.h (Layout::dynamic_section): New function.
 755
 756 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 757
 758         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 759         to claim_file call.
 760         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 761         input_section_position_, and input_section_glob_.
 762         (read_layout_from_file): Call function section_ordering_specified.
 763         * layout.h (is_section_ordering_specified): New function.
 764         (section_ordering_specified): New function.
 765         (section_ordering_specified_): New boolean member.
 766         * main.cc(main): Call load_plugins after layout object is defined.
 767         * output.cc (Output_section::add_input_section): Use
 768         function section_ordering_specified to check if section ordering is
 769         needed.
 770         * output.cc (Output_section::add_relaxed_input_section): Use
 771         function section_ordering_specified to check if section ordering is
 772         needed.
 773         (Output_section::update_section_layout): New function.
 774         (Output_section::sort_attached_input_sections): Check if input section
 775         must be reordered.
 776         * output.h (Output_section::update_section_layout): New function.
 777         * plugin.cc (get_section_count): New function.
 778         (get_section_type): New function.
 779         (get_section_name): New function.
 780         (get_section_contents): New function.
 781         (update_section_order): New function.
 782         (allow_section_ordering): New function.
 783         (Plugin::load): Add the new interfaces to the transfer vector.
 784         (Plugin_manager::load_plugins): New parameter.
 785         (Plugin_manager::all_symbols_read): New parameter.
 786         (Plugin_manager::claim_file): New parameter. Save the elf object for
 787         unclaimed objects.
 788         (Plugin_manager::get_elf_object): New function.
 789         (Plugin_manager::get_view): Change to directly use the bool to check
 790         if get_view is called from claim_file_hook.
 791         * plugin.h (input_objects): New function
 792         (Plugin__manager::load_plugins): New parameter.
 793         (Plugin_manager::claim_file): New parameter.
 794         (Plugin_manager::get_elf_object): New function.
 795         (Plugin_manager::in_claim_file_handler): New function.
 796         (Plugin_manager::in_claim_file_handler_): New member.
 797         (layout): New function.
 798         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 799         handler with an extra parameter. Make the elf object before calling
 800         claim_file handler.
 801         * testsuite/plugin_test.c (get_section_count): New function pointer.
 802         (get_section_type): New function pointer.
 803         (get_section_name): New function pointer.
 804         (get_section_contents): New function pointer.
 805         (update_section_order): New function pointer.
 806         (allow_section_ordering): New function pointer.
 807         (onload): Check if the new interfaces exist.
 808
 809 2011-07-13  Ian Lance Taylor  <iant@google.com>
 810
 811         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 812         relro section.
 813         * x86_64.cc (Target_x86_64::got_section): Likewise.
 814         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 815         (relro_now_test_SOURCES): New variable.
 816         (relro_now_test_DEPENDENCIES): New variable.
 817         (relro_now_test_LDFLAGS): New variable.
 818         (relro_now_test_LDADD): New variable.
 819         (relro_now_test.so): New target.
 820         * testsuite/Makefile.in: Rebuild.
 821
 822 2011-07-12  Ian Lance Taylor  <iant@google.com>
 823
 824         PR gold/12980
 825         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 826         GLOB_DAT relocation rather than a RELATIVE relocation for a
 827         protected symbol when creating a shared library.
 828         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 829         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 830         * testsuite/protected_main_1.cc (main): Test that protected
 831         function has same address.
 832
 833 2011-07-11  Ian Lance Taylor  <iant@google.com>
 834
 835         PR gold/12979
 836         * options.h (class General_options): Add -Bgroup.
 837         * options.cc (General_options::finalize): If -Bgroup is set,
 838         default to --unresolved-symbols=report-all.
 839         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 840         * target-reloc.h (issue_undefined_symbol_error): Handle
 841         --unresolved-symbols=report-all.
 842
 843 2011-07-08  Ian Lance Taylor  <iant@google.com>
 844
 845         PR gold/11985
 846         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 847         if linker script discards key sections.
 848         (Layout::create_dynamic_symtab): Likewise.
 849         (Layout::assign_local_dynsym_offsets): Likewise.
 850         (Layout::sized_create_version_sections): Likewise.
 851         (Layout::create_interp): Likewise.
 852         (Layout::finish_dynamic_section): Likewise.
 853         (Layout::set_dynamic_symbol_size): Likewise.
 854
 855 2011-07-08  Ian Lance Taylor  <iant@google.com>
 856
 857         PR gold/12386
 858         * options.h (class General_options): Add --unresolved-symbols.
 859         * target-reloc.h (issue_undefined_symbol_error): Check
 860         --unresolved-symbols.  Add comments.
 861
 862 2011-07-08  Ian Lance Taylor  <iant@google.com>
 863
 864         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 865         expression more complex.
 866
 867 2011-07-08  Ian Lance Taylor  <iant@google.com>
 868
 869         PR gold/11317
 870         * target-reloc.h (issue_undefined_symbol_error): New inline
 871         function, broken out of relocate_section.
 872         (relocate_section): Call issue_undefined_symbol_error.
 873         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 874         there is no TLS segment if we are about to issue an undefined
 875         symbol error.
 876         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 877
 878 2011-07-08  Ian Lance Taylor  <iant@google.com>
 879
 880         PR gold/12279
 881         * resolve.cc (Symbol_table::should_override): Add fromtype
 882         parameter.  Change all callers.  Give error when linking together
 883         TLS and non-TLS symbol.
 884         (Symbol_table::should_override_with_special): Add fromtype
 885         parameter.  Change all callers.
 886         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 887         there is no TLS segment if we have reported some errors.
 888         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 889
 890 2011-07-08  Ian Lance Taylor  <iant@google.com>
 891
 892         PR gold/12372
 893         * target.h (Target::plt_address_for_global): New function.
 894         (Target::plt_address_for_local): New function.
 895         (Target::plt_section_for_global): Remove.
 896         (Target::plt_section_for_local): Remove.
 897         (Target::do_plt_address_for_global): New virtual function.
 898         (Target::do_plt_address_for_local): New virtual function.
 899         (Target::do_plt_section_for_global): Remove.
 900         (Target::do_plt_section_for_local): Remove.
 901         (Target::register_global_plt_entry): Add Symbol_table and Layout
 902         parameters.
 903         * output.cc (Output_data_got::Got_entry::write): Use
 904         plt_address_for_global and plt_address_for_local.
 905         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 906         address of output section.
 907         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 908         got_irelative_, and irelative_count_ fields.  Update
 909         declarations.
 910         (Output_data_plt_i386::has_irelative_section): New function.
 911         (Output_data_plt_i386::entry_count): Add irelative_count_.
 912         (Output_data_plt_i386::set_final_data_size): Likewise.
 913         (class Target_i386): Add got_irelative_ and rel_irelative_
 914         fields.  Update declarations.
 915         (Target_i386::Target_i386): Initialize new fields.
 916         (Target_i386::do_plt_address_for_global): New function replacing
 917         do_plt_section_for_global.
 918         (Target_i386::do_plt_address_for_local): New function replacing
 919         do_plt_section_for_local.
 920         (Target_i386::got_section): Create got_irelative_.
 921         (Target_i386::rel_irelative_section): New function.
 922         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 923         fields.  Don't define __rel_iplt_{start,end}.
 924         (Output_data_plt_i386::add_entry): Add symtab and layout
 925         parameters.  Change all callers.  Use different PLT and GOT for
 926         IFUNC symbols.
 927         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 928         layout parameters.  Change all callers.  Use different PLT and
 929         GOT.
 930         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 931         (Output_data_plt_i386::rel_irelative): New function.
 932         (Output_data_plt_i386::address_for_global): New function.
 933         (Output_data_plt_i386::address_for_local): New function.
 934         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 935         IRELATIVE GOT when changing IFUNC GOT entries.
 936         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 937         reloc.
 938         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 939         if we didn't create an IRELATIVE GOT.
 940         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 941         plt_address_for_local.
 942         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 943         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 944         got_irelative_, and irelative_count_ fields.  Update
 945         declarations.
 946         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 947         Initialize new fields.  Remove symtab parameter.  Change all
 948         callers.
 949         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 950         irelative_count_.
 951         (Output_data_plt_x86_64::has_irelative_section): New function.
 952         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 953         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 954         fields.  Update declarations.
 955         (Target_x86_64::Target_x86_64): Initialize new fields.
 956         (Target_x86_64::do_plt_address_for_global): New function replacing
 957         do_plt_section_for_global.
 958         (Target_x86_64::do_plt_address_for_local): New function replacing
 959         do_plt_section_for_local.
 960         (Target_x86_64::got_section): Create got_irelative_.
 961         (Target_x86_64::rela_irelative_section): New function.
 962         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 963         all callers.  Don't create __rel_iplt_{start,end}.
 964         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 965         parameters.  Change all callers.  Use different PLT and GOT for
 966         IFUNC symbols.
 967         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 968         layout parameters.  Change all callers.  Use different PLT and
 969         GOT.
 970         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 971         parameters.  Change all callers.  Use different PLT and GOT for
 972         IFUNC symbols.
 973         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 974         (Output_data_plt_x86_64::rela_irelative): New function.
 975         (Output_data_plt_x86_64::address_for_global): New function.
 976         (Output_data_plt_x86_64::address_for_local): New function.
 977         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 978         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 979         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 980         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 981         parameters.
 982         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 983         reloc.
 984         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 985         symbols if we didn't create an IRELATIVE GOT.
 986         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 987         plt_address_for_local.
 988         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 989         * testsuite/ifuncvar1.c: New test file.
 990         * testsuite/ifuncvar2.c: New test file.
 991         * testsuite/ifuncvar3.c: New test file.
 992         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 993         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 994         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 995         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 996         * testsuite/Makefile.in: Rebuild.
 997
 998 2011-07-07  Cary Coutant  <ccoutant@google.com>
 999
1000         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1001         (two_file_test_1_ndebug.o): Likewise.
1002         (two_file_test_1b_ndebug.o): Likewise.
1003         (two_file_test_2_ndebug.o): Likewise.
1004         (two_file_test_main_ndebug.o): Likewise.
1005         (incremental_test_2): Link with no-debug versions.
1006
1007 2011-07-06  Cary Coutant  <ccoutant@google.com>
1008
1009         * gold/incremental.cc
1010         (Output_section_incremental_inputs::write_info_blocks): Check for
1011         hidden and internal symbols.
1012
1013 2011-07-06  Cary Coutant  <ccoutant@google.com>
1014
1015         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1016         Check disposition for startup file.
1017         (Incremental_inputs::report_command_line): Ignore
1018         --incremental-startup-unchanged option.
1019         * options.cc (General_options::parse_incremental_startup_unchanged):
1020         New function.
1021         (General_options::General_options): Initialize new data member.
1022         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1023         (General_options): Add --incremental-startup-unchanged option.
1024         (General_options::incremental_startup_disposition): New function.
1025         (General_options::incremental_startup_disposition_): New data member.
1026
1027 2011-07-06  Cary Coutant  <ccoutant@google.com>
1028
1029         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1030         input file index to Script_info ctor.
1031         (Sized_incremental_binary::do_file_has_changed): Find the
1032         command-line argument for files named in scripts.
1033         * incremental.h (Script_info::Script_info): New ctor
1034         with input file index.
1035         (Script_info::input_file_index): New function.
1036         (Script_info::input_file_index_): New data member.
1037         (Incremental_binary::get_library): Add const.
1038         (Incremental_binary::get_script_info): Add const.
1039         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1040         * testsuite/Makefile.am (incremental_test_5): New test case.
1041         (incremental_test_6): New test case.
1042         * testsuite/Makefile.in: Regenerate.
1043
1044 2011-07-06  Cary Coutant  <ccoutant@google.com>
1045
1046         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1047         debug output when command lines differ.
1048
1049 2011-07-06  Cary Coutant  <ccoutant@google.com>
1050
1051         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1052         --incremental-patch option.
1053         * layout.cc (Free_list::allocate): Extend allocation beyond original
1054         end if enabled.
1055         (Layout::make_output_section): Mark sections that should get
1056         patch space.
1057         * options.cc (parse_percent): New function.
1058         * options.h (parse_percent): New function.
1059         (DEFINE_percent): New macro.
1060         (General_options): Add --incremental-patch option.
1061         * output.cc (Output_section::Output_section): Initialize new data
1062         members.
1063         (Output_section::add_input_section): Print section name when out
1064         of patch space.
1065         (Output_section::add_output_section_data): Likewise.
1066         (Output_section::set_final_data_size): Add patch space when
1067         doing --incremental-full.
1068         (Output_section::do_reset_address_and_file_offset): Remove patch
1069         space.
1070         (Output_segment::set_section_list_addresses): Print debug output
1071         only if --incremental-update.
1072         * output.h (Output_section::set_is_patch_space_allowed): New function.
1073         (Output_section::is_patch_space_allowed_): New data member.
1074         (Output_section::patch_space_): New data member.
1075         * parameters.cc (Parameters::incremental_full): New function.
1076         * parameters.h (Parameters::incremental_full): New function
1077         * testsuite/Makefile.am (incremental_test_2): Add test for
1078         --incremental-patch option.
1079         * testsuite/Makefile.in: Regenerate.
1080         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1081         (t18): Remove function body.
1082
1083 2011-07-05  Doug Kwan  <dougkwan@google.com>
1084
1085         PR gold/12771
1086         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1087         Arm_Address type for relocation result.
1088         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1089         overflow check.
1090         (Arm_relocate_functions::abs32): Use unaligned access.
1091         (Arm_relocate_functions::rel32): Ditto.
1092         (Arm_relocate_functions::prel31): Ditto.
1093         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1094         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1095         static data relocations.
1096         * testsuite/Makefile.in: Regnerate.
1097         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1098
1099 2011-07-05  Ian Lance Taylor  <iant@google.com>
1100
1101         PR gold/12392
1102         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1103         symbols if necessary.
1104         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1105
1106 2011-07-05  Ian Lance Taylor  <iant@google.com>
1107
1108         PR gold/12952
1109         * resolve.cc (Symbol::override_base_with_special): Simply override
1110         version with special symbol version, ignoring previous version.
1111
1112 2011-07-05  Ian Lance Taylor  <iant@google.com>
1113
1114         * object.cc (Sized_relobj_file::include_section_group): Add
1115         information to comment about signature location.
1116
1117 2011-07-02  Ian Lance Taylor  <iant@google.com>
1118
1119         PR gold/12957
1120         * options.h (class General_options): Add -f and -F.
1121         * options.cc (General_options::finalize): Fatal error if -f/-F
1122         are used without -shared.
1123         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1124
1125 2011-07-02  Ian Lance Taylor  <iant@google.com>
1126
1127         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1128
1129 2011-07-01  Ian Lance Taylor  <iant@google.com>
1130
1131         PR gold/12525
1132         PR gold/12952
1133         * resolve.cc (Symbol::override_base_with_special): Don't override
1134         the version if the overriding symbol has a different name.
1135         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1136         all callers.  If we give an error about an undefined version,
1137         define the base version if necessary.
1138         * dynobj.h (class Versions): Update declaration.
1139         * testsuite/weak_alias_test_5.cc: New file.
1140         * testsuite/weak_alias_test.script: New file.
1141         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1142         and versioned_alias have the right value, and call t2.
1143         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1144         weak_alias_test_5.so.
1145         (weak_alias_test_LDADD): Likewise.
1146         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1147         * testsuite/Makefile.in: Rebuild.
1148
1149 2011-07-01  Ian Lance Taylor  <iant@google.com>
1150
1151         PR gold/12525
1152         * options.h (class General_options): Support -z notext.
1153         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1154         -Wl,-z,notext.
1155         (two_file_shared_nonpic.so): Likewise.
1156         (two_file_shared_mixed.so): Likewise.
1157         (two_file_shared_mixed_1.so): Likewise.
1158         (weak_undef_lib_nonpic.so): Likewise.
1159         (alt/weak_undef_lib_nonpic.so): Likewise.
1160         (tls_test_shared_nonpic.so): Likewise.
1161         * testsuite/Makefile.in: Rebuild.
1162
1163 2011-07-01  Ian Lance Taylor  <iant@google.com>
1164
1165         PR gold/12525
1166         * configure.ac: Test whether static linking works, setting
1167         the automake conditional HAVE_STATIC.
1168         * testsuite/Makefile.am: Disable tests using -static if
1169         HAVE_STATIC is not true.
1170         * configure, testsuite/Makefile.in: Rebuild.
1171
1172 2011-07-01  Ian Lance Taylor  <iant@google.com>
1173
1174         PR gold/12525
1175         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1176         Assert if we see DW_EH_PE_indirect.
1177         * target.h (Target::ehframe_datarel_base): New function.
1178         (Target::do_ehframe_datarel_base): New target function.
1179         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1180         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1181         function.
1182
1183 2011-07-01  Ian Lance Taylor  <iant@google.com>
1184
1185         PR gold/12571
1186         * options.h (class General_options): Add
1187         --ld-generated-unwind-info.
1188         * ehframe.cc (Fde::write): Add address parameter.  Change all
1189         callers.  If associated with PLT, fill in address and size.
1190         (Cie::set_output_offset): Only add merge mapping if there is an
1191         object.
1192         (Cie::write): Add address parameter.  Change all callers.
1193         (Eh_frame::add_ehframe_for_plt): New function.
1194         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1195         input_offset_ fields into union u_, with new plt field.
1196         (Fde::Fde): Adjust for new union field.
1197         (Fde::Fde) [Output_data version]: New constructor.
1198         (Fde::add_mapping): Only add merge mapping if there is an object.
1199         (class Cie): Update declarations.
1200         (class Eh_frame): Declare add_ehframe_for_plt.
1201         * layout.cc (Layout::layout_eh_frame): Break out code into
1202         make_eh_frame_section, and call it.
1203         (Layout::make_eh_frame_section): New function.
1204         (Layout::add_eh_frame_for_plt): New function.
1205         * layout.h (class Layout): Update declarations.
1206         * merge.cc (Merge_map::add_mapping): Add assertion.
1207         * i386.cc: Include "dwarf.h".
1208         (class Output_data_plt_i386): Make first_plt_entry,
1209         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1210         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1211         and plt_eh_frame_fde.
1212         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1213         boundary.  Call add_eh_frame_for_plt if appropriate.
1214         * x86_64.cc: Include "dwarf.h".
1215         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1216         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1217         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1218         and plt_eh_frame_fde.
1219         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1220         appropriate.
1221
1222 2011-06-29  Ian Lance Taylor  <iant@google.com>
1223
1224         PR gold/12629
1225         * object.cc (Sized_relobj_file::layout_section): Change shdr
1226         parameter to be const.
1227         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1228         out of do_layout.
1229         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1230         appropriate.  Call layout_eh_frame_section.
1231         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1232         sections.
1233         * object.h (class Sized_relobj_file): Update declarations.
1234
1235 2011-06-29  Ian Lance Taylor  <iant@google.com>
1236
1237         PR gold/12652
1238         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1239         modifier.
1240         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1241
1242 2011-06-29  Ian Lance Taylor  <iant@google.com>
1243
1244         PR gold/12675
1245         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1246         SHT_X86_64_UNWIND.
1247         * layout.cc (Layout::layout_eh_frame): Likewise.
1248
1249 2011-06-29  Ian Lance Taylor  <iant@google.com>
1250
1251         PR gold/12695
1252         * layout.cc (Layout::symtab_section_shndx): New function.
1253         * layout.h (class Layout): Declare symtab_section_shndx.
1254         * output.cc (Output_section::write_header): Call it.
1255
1256 2011-06-29  Ian Lance Taylor  <iant@google.com>
1257
1258         PR gold/12818
1259         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1260         symbols which are not used in a relocation.
1261
1262 2011-06-28  Ian Lance Taylor  <iant@google.com>
1263
1264         PR gold/12898
1265         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1266         script create indistinguishable segments.
1267         (Layout::set_segment_offsets): Use stable_sort when sorting
1268         segments.  Pass this to Compare_segments constructor.
1269         * layout.h (class Layout): Make segment_precedes non-static.
1270         (class Compare_segments): Change from struct to class.  Add
1271         layout_ field.  Add constructor.
1272         * script-sections.cc
1273         (Script_sections::attach_sections_using_phdrs_clause): Rename
1274         local orphan to is_orphan.  Don't report failure to put empty
1275         section in segment.  On attachment failure, report name of
1276         section, and attach to first PT_LOAD segment.
1277
1278 2011-06-28  Ian Lance Taylor  <iant@google.com>
1279
1280         PR gold/12934
1281         * target-select.cc (Target_selector::Target_selector): Add
1282         emulation parameter.  Change all callers.
1283         (select_target_by_bfd_name): Rename from select_target_by_name.
1284         Change all callers.
1285         (select_target_by_emulation): New function.
1286         (supported_emulation_names): New function.
1287         * target-select.h (class Target_selector): Add emulation_ field.
1288         Update declarations.
1289         (Target_selector::recognize_by_bfd_name): Rename from
1290         recognize_by_name.  Change all callers.
1291         (Target_selector::supported_bfd_names): Rename from
1292         supported_names.  Change all callers.
1293         (Target_selector::recognize_by_emulation): New function.
1294         (Target_selector::supported_emulations): New function.
1295         (Target_selector::emulation): New function.
1296         (Target_selector::do_recognize_by_bfd_name): Rename from
1297         do_recognize_by_name.  Change all callers.
1298         (Target_selector::do_supported_bfd_names): Rename from
1299         do_supported_names.  Change all callers.
1300         (Target_selector::do_recognize_by_emulation): New function.
1301         (Target_selector::do_supported_emulations): New function.
1302         (select_target_by_bfd_name): Change name in declaration.
1303         (select_target_by_emulation): Declare.
1304         (supported_emulation_names): Declare.
1305         * parameters.cc (parameters_force_valid_target): Try to find
1306         target based on emulation from -m option.
1307         * options.h (class General_options): Change doc string for -m.
1308         * options.cc (help): Print emulations.
1309         (General_options::parse_V): Likewise.
1310         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1311         Add emulation parameter.  Change all callers.
1312
1313 2011-06-28  Ian Lance Taylor  <iant@google.com>
1314
1315         * target.h (class Target): Add osabi_ field.
1316         (Target::osabi): New function.
1317         (Target::set_osabi): New function.
1318         (Target::Target): Initialize osabi_.
1319         (Target::do_adjust_elf_header): Make pure virtual.
1320         (Sized_target::do_adjust_elf_header): Declare.
1321         * target.cc (Sized_target::do_adjust_elf_header): New function.
1322         (class Sized_target): Instantiate all versions.
1323         * freebsd.h (class Target_freebsd): Remove.
1324         (Target_selector_freebsd::do_recognize): Call set_osabi on
1325         Target.
1326         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1327         (Target_selector_freebsd::set_osabi): Remove.
1328         * i386.cc (class Target_i386): Inherit from Sized_target rather
1329         than Target_freebsd.
1330         * x86_64.cc (class Target_x86_64): Likewise.
1331
1332 2011-06-28  Ian Lance Taylor  <iant@google.com>
1333
1334         * target.h (Target::can_check_for_function_pointers): Rewrite.
1335         Make non-virtual.
1336         (Target::can_icf_inline_merge_sections): Likewise.
1337         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1338         (Target::Target_info): Add can_icf_inline_merge_sections field.
1339         (Target::do_can_check_for_function_pointers): New virtual
1340         function.
1341         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1342         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1343         from can_check_for_function_pointers, move in file.
1344         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1345         section_may_have_icf_unsafe_poineters, move in file.
1346         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1347         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1348         Rename from can_check_for_function_pointers, move in file.
1349         (Target_i386::can_icf_inline_merge_sections): Remove.
1350         (Target_i386::i386_info): Initialize
1351         can_icf_inline_merge_sections.
1352         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1353         Initialize can_icf_inline_merge_sections.
1354         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1355         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1356         Rename from can_check_for_function_pointers, move in file.
1357         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1358         (Target_x86_64::x86_64_info): Initialize
1359         can_icf_inline_merge_sections.
1360         * testsuite/testfile.cc (Target_test::test_target_info):
1361         Likewise.
1362         * icf.cc (get_section_contents): Correct formatting.
1363
1364 2011-06-27  Ian Lance Taylor  <iant@google.com>
1365
1366         * symtab.cc (Symbol::versioned_name): New function.
1367         (Symbol_table::add_to_final_symtab): Use versioned_name when
1368         appropriate.
1369         (Symbol_table::sized_write_symbol): Likewise.
1370         * symtab.h (class Symbol): Declare versioned_name.
1371         * stringpool.h (class Stringpool_template): Add variant of add
1372         which takes a std::basic_string.
1373         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1374         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1375         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1376         (ver_test_12.o): New target.
1377         * testsuite/Makefile.in: Rebuild.
1378
1379 2011-06-27  Doug Kwan  <dougkwan@google.com>
1380
1381         * arm.cc (Arm_relocate_functions::thm_jump8,
1382         Arm_relocate_functions::thm_jump11): Use a wider signed
1383         type to compute offset.
1384         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1385         arm_thm_jump8.
1386         * testsuite/Makefile.in: Regenerate.
1387         * testsuite/arm_branch_in_range.sh: Check test results of
1388         arm_thm_jump11 and arm_thm_jump8.
1389         * testsuite/arm_thm_jump11.s: New test source file.
1390         * testsuite/arm_thm_jump11.t: New linker script.
1391         * testsuite/arm_thm_jump8.s: New test source file.
1392         * testsuite/arm_thm_jump8.t: New linker script.
1393
1394 2011-06-24  Ian Lance Taylor  <iant@google.com>
1395
1396         * layout.cc: Include "object.h".
1397         (ctors_sections_in_init_array): New static variable.
1398         (Layout::is_ctors_in_init_array): New function.
1399         (Layout::layout): Add entry to ctors_sections_in_init_array if
1400         appropriate.
1401         * layout.h (class Layout): Declare is_ctors_in_init_array.
1402         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1403         is_ctors_reverse_view is set.
1404         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1405         all callers.  Set is_ctors_reverse_view field of View_size.
1406         (Sized_relobj_file::reverse_words): New function.
1407         * object.h (Sized_relobj_file::View_size): Add
1408         is_ctors_reverse_view field.
1409         (class Sized_relobj_file): Update declarations.
1410         * testsuite/initpri3.c: New test.
1411         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1412         initpri3b.
1413         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1414         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1415         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1416         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1417         * testsuite/Makefile.in: Rebuild.
1418
1419 2011-06-24  Cary Coutant  <ccoutant@google.com>
1420
1421         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1422         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1423         (debug_msg_cdebug.err): New targets.
1424         * testsuite/Makefile.in: Regenerate.
1425         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1426         Fix checks for link with shared library.
1427
1428 2011-06-24  Doug Kwan  <dougkwan@google.com>
1429
1430         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1431         skip empty text sections.
1432         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1433
1434 2011-06-22  Ian Lance Taylor  <iant@google.com>
1435
1436         PR gold/12910
1437         * options.h (class General_options): Add --ctors-in-init-array.
1438         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1439         friends as SHT_PROGBITS for merging sections.
1440         (Layout::layout): Remove special handling of .init_array and
1441         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1442         and .dtors if ctors_in_init_array.
1443         (Layout::make_output_section): Force correct section types for
1444         .init_array and friends.  Don't sort if doing relocatable link,
1445         Don't sort .ctors and .dtors if ctors_in_init_array.
1446         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1447         (Layout::output_section_name): Add relobj parameter.  Change all
1448         callers.  Handle .ctors. and .dtors. in code rather than table.
1449         Handle .ctors and .dtors if ctors_in_init_array.
1450         (Layout::match_file_name): New function, moved from output.cc.
1451         * layout.h (class Layout): Update declarations.
1452         * output.cc: Include "layout.h".
1453         (Input_section_sort_entry::get_priority): New function.
1454         (Input_section_sort_entry::match_file_name): Just call
1455         Layout::match_file_name.
1456         (Output_section::Input_section_sort_init_fini_compare::operator()):
1457         Handle .ctors and .dtors.  Sort by explicit priority rather than
1458         by name.
1459         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1460         * testsuite/initpri2.c: New test.
1461         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1462         (check_PROGRAMS): Add initpri2.
1463         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1464         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1465         * configure, testsuite/Makefile.in: Rebuild.
1466
1467 2011-06-19  Ian Lance Taylor  <iant@google.com>
1468
1469         PR gold/12880
1470         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1471         .interp section to a PT_INTERP segment even if we have seen a
1472         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1473         clause in a linker script.
1474         (Layout::finalize): Don't create a .interp section if we've
1475         already create a PT_INTERP segment.
1476         (Layout::create_interp): Always call choose_output_section (revert
1477         patch of 2011-06-17).  Don't create PT_INTERP segment.
1478         * script-sections.cc
1479         (Script_sections::create_note_and_tls_segments): Add a .interp
1480         section to a PT_INTERP segment even if we have seen a
1481         --dynamic-linker option.
1482
1483 2011-06-18  Ian Lance Taylor  <iant@google.com>
1484
1485         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1486         merely because a non-PT_LOAD segment has a dynamic reloc.
1487
1488 2011-06-18  Ian Lance Taylor  <iant@google.com>
1489
1490         * layout.cc (Layout::finish_dynamic_section): Don't create
1491         DT_FLAGS entry if not needed.
1492
1493 2011-06-18  Ian Lance Taylor  <iant@google.com>
1494
1495         PR gold/12745
1496         * layout.cc (Layout::layout_eh_frame): Correct handling of
1497         writable .eh_frame section.
1498
1499 2011-06-17  Ian Lance Taylor  <iant@google.com>
1500
1501         PR gold/12893
1502         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1503         symbol is redefined with the exact same object and value.
1504
1505 2011-06-17  Ian Lance Taylor  <iant@google.com>
1506
1507         PR gold/12880
1508         * layout.h (class Layout): Add interp_segment_ field.
1509         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1510         (Layout::attach_allocated_section_to_segment): If making shared
1511         library, put .interp section in PT_INTERP segment.
1512         (Layout::finalize): Also call create_interp if -dynamic-linker
1513         option was used.
1514         (Layout::create_interp): Assert that there is no PT_INTERP
1515         segment.  If not using a SECTIONS clause, use make_output_section.
1516         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1517         * script-sections.cc
1518         (Script_sections::create_note_and_tls_segments): If making shared
1519         library, put .interp section in PT_INTERP segment.
1520
1521 2011-06-17  Ian Lance Taylor  <iant@google.com>
1522
1523         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1524         when making a shared library.
1525
1526 2011-06-17  Ian Lance Taylor  <iant@google.com>
1527
1528         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1529         parameter.  Change all callers.  Don't issue warning about PC32
1530         against locally defined symbol.
1531
1532 2011-06-16  Ian Lance Taylor  <iant@google.com>
1533
1534         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1535         occurs in same object.
1536
1537 2011-06-14  Alan Modra  <amodra@gmail.com>
1538
1539         * po/POTFILES.in: Regenerate.
1540
1541 2011-06-09  Ian Lance Taylor  <iant@google.com>
1542
1543         * script-sections.cc
1544         (Orphan_output_section::set_section_addresses): For a relocatable
1545         link set address to 0.
1546
1547 2011-06-09  Cary Coutant  <ccoutant@google.com>
1548
1549         PR gold/12804
1550         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1551         used with --compress-debug-sections.
1552         * gold/object.cc (Sized_relobj_file::do_layout): Report
1553         uncompressed size of compressed input sections.
1554
1555 2011-06-08  Cary Coutant  <ccoutant@google.com>
1556
1557         PR gold/12804
1558         * testsuite/two_file_test_2_v1.cc: Change initialization of
1559         v2 to keep it in .data.
1560
1561 2011-06-07  Cary Coutant  <ccoutant@google.com>
1562
1563         * common.cc (Symbol_table::do_allocate_commons_list): Call
1564         gold_fallback.
1565         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1566         (Errors::fallback): New function.
1567         (gold_fallback): New function.
1568         * errors.h (Errors::fallback): New function.
1569         * gold.cc (gold_exit): Change status parameter to enum; adjust
1570         all callers.
1571         (queue_initial_tasks): Call gold_fallback.
1572         * gold.h: Include cstdlib.
1573         (Exit_status): New enum type.
1574         (gold_exit): Change status parameter to enum.
1575         (gold_fallback): New function.
1576         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1577         (Layout::create_symtab_sections): Likewise.
1578         (Layout::create_shdrs): Likewise.
1579         * main.cc (main): Adjust call to gold_exit.
1580         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1581         (Output_data_got::add_got_entry_pair): Likewise.
1582         (Output_section::add_input_section): Likewise.
1583         (Output_section::add_output_section_data): Likewise.
1584         (Output_segment::set_section_list_addresses): Likewise.
1585         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1586
1587 2011-06-07  Cary Coutant  <ccoutant@google.com>
1588
1589         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1590         for incremental links.
1591         * output.cc (Output_segment::set_section_list_addresses): Remove
1592         FIXME and test for TLS or BSS.
1593
1594 2011-06-07  Cary Coutant  <ccoutant@google.com>
1595
1596         * testsuite/Makefile.am: Add incremental_copy_test,
1597         incremental_common_test_1.
1598         * testsuite/Makefile.in: Regenerate.
1599         * testsuite/common_test_1_v1.c: New source file.
1600         * testsuite/common_test_1_v2.c: New source file.
1601         * testsuite/copy_test_v1.cc: New source file.
1602
1603 2011-06-07  Cary Coutant  <ccoutant@google.com>
1604
1605         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1606         update, allocate common from bss section's free list.
1607         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1608         linker-defined symbols.
1609         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1610         Skip GOT and PLT entries that are no longer referenced.
1611         (Output_section_incremental_inputs::write_info_blocks): Mark
1612         linker-defined symbols.
1613         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1614         * output.cc (Output_section::allocate): New function.
1615         * output.h (Output_section::allocate): New function.
1616         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1617         linker-defined symbols.
1618         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1619         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1620         (Symbol::init_base_output_data): Likewise.
1621         (Symbol::init_base_output_segment): Likewise.
1622         (Symbol::init_base_constant): Likewise.
1623         (Sized_symbol::init_output_data): Likewise.
1624         (Sized_symbol::init_output_segment): Likewise.
1625         (Sized_symbol::init_constant): Likewise.
1626         (Symbol_table::do_define_in_output_data): Likewise.
1627         (Symbol_table::do_define_in_output_segment): Likewise.
1628         (Symbol_table::do_define_as_constant): Likewise.
1629         * symtab.h (Symbol::is_predefined): New function.
1630         (Symbol::init_base_output_data): Add is_predefined parameter.
1631         (Symbol::init_base_output_segment): Likewise.
1632         (Symbol::init_base_constant): Likewise.
1633         (Symbol::is_predefined_): New data member.
1634         (Sized_symbol::init_output_data): Add is_predefined parameter.
1635         (Sized_symbol::init_output_segment): Likewise.
1636         (Sized_symbol::init_constant): Likewise.
1637         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1638
1639 2011-06-07  Cary Coutant  <ccoutant@google.com>
1640
1641         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1642         instead of emit_copy_reloc.
1643         (Copy_relocs::emit_copy_reloc): Refactor.
1644         (Copy_relocs::make_copy_reloc): New function.
1645         (Copy_relocs::add_copy_reloc): Remove.
1646         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1647         section.
1648         (Copy_relocs::make_copy_reloc): New function.
1649         (Copy_relocs::add_copy_reloc): Remove.
1650         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1651         unchanged input files.
1652         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1653         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1654         Reserve BSS space for COPY relocations.
1655         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1656         (Output_section_incremental_inputs::write_info_blocks): Record
1657         whether a symbol is copied from a shared object.
1658         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1659         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1660         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1661         (Incremental_input_entry_reader::get_output_symbol_index): Add
1662         is_copy parameter.
1663         (Incremental_binary::emit_copy_relocs): New function.
1664         (Incremental_binary::do_emit_copy_relocs): New function.
1665         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1666         new data member.
1667         (Sized_incremental_binary::add_copy_reloc): New function.
1668         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1669         (Sized_incremental_binary::Copy_reloc): New struct.
1670         (Sized_incremental_binary::Copy_relocs): New typedef.
1671         (Sized_incremental_binary::copy_relocs_): New data member.
1672         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1673         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1674         * target.h (Sized_target::emit_copy_reloc): New function.
1675         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1676
1677 2011-06-02  Cary Coutant  <ccoutant@google.com>
1678
1679         PR gold/12163
1680         * gold/archive.cc (Archive::Archive): Initialize new data member.
1681         (Archive::include_all_members): Return if archive has already been
1682         included.
1683         * gold/archive.h (Archive::include_all_members_): New data member.
1684
1685 2011-06-02  Nick Clifton  <nickc@redhat.com>
1686
1687         * dynobj.h: Fix spelling mistake in comment.
1688         * output.cc: Likewise.
1689
1690 2011-05-31  Doug Kwan  <dougkwan@google.com>
1691             Asier Llano
1692
1693         PR gold/12826
1694         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1695         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1696         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1697         redundant arm_exidx_test.so.
1698         * testsuite/Makefile.in: Regenerate.
1699         (check_SCRIPTS): Add pr12826.sh
1700         (check_DATA): Add pr12826.stdout
1701         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1702         * testsuite/pr12826.sh: New file.
1703         * testsuite/pr12826_1.s: Ditto.
1704         * testsuite/pr12826_1.s: Ditto.
1705
1706 2011-05-30  Ian Lance Taylor  <iant@google.com>
1707
1708         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1709         sections.
1710
1711 2011-05-29  Ian Lance Taylor  <iant@google.com>
1712
1713         PR gold/12804
1714         * testsuite/Makefile.am: Use different file name for two_file_test
1715         temporary file for each incremental test.
1716         * testsuite/Makefile.in: Rebuild.
1717
1718 2011-05-29  Ian Lance Taylor  <iant@google.com>
1719
1720         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1721         binary input file is empty.
1722
1723 2011-05-27  Ian Lance Taylor  <iant@google.com>
1724
1725         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1726         (ver_test_9.so): Likewise.
1727         * testsuite/Makefile.in: Rebuild.
1728
1729 2011-05-26 Cary Coutant  <ccoutant@google.com>
1730
1731         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1732         * incremental.cc (Incremental_inputs::report_input_section): Fix
1733         comment, indentation.
1734         (Incremental_inputs::report_comdat_group): New function.
1735         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1736         of data for incremental input file entry.
1737         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1738         group count, COMDAT group signatures.
1739         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1740         an unchanged input file.
1741         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1742         Initialize new data member.
1743         (Incremental_object_entry::add_comdat_group): New function.
1744         (Incremental_object_entry::get_comdat_group_count): New function.
1745         (Incremental_object_entry::get_comdat_signature_key): New function.
1746         (Incremental_object_entry::groups_): New data member.
1747         (Incremental_inputs::report_comdat_group): New function.
1748         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1749         data for incremental input file entry.
1750         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1751         (Incremental_input_entry_reader::get_input_section): Adjust size of
1752         data for incremental input file entry.
1753         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1754         (Incremental_input_entry_reader::get_comdat_group_signature): New
1755         function.
1756         * object.cc (Sized_relobj::include_section_group): Report kept
1757         COMDAT groups for incremental links.
1758
1759 2011-05-24  David Meyer  <pdox@google.com>
1760
1761         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1762         with name parameter.  Add found_name parameter.
1763         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1764         * dirsearch.h (class Dirsearch): Update declaration.
1765
1766 2011-05-24  Ian Lance Taylor  <iant@google.com>
1767
1768         * archive.cc (Library_base::should_include_member): Pull in object
1769         from archive if it defines the entry symbol.
1770         * parameters.cc (Parameters::entry): New function.
1771         * parameters.h (class Parameters): Declare entry.
1772         * output.h (class Output_file_header): Remove entry_ field.
1773         * output.cc (Output_file_header::Output_file_header): Remove entry
1774         parameter.  Change all callers.
1775         (Output_file_header::entry): Use parameters->entry.
1776         * gold.cc (queue_middle_tasks): Likewise.
1777         * plugin.cc (Plugin_hook::run): Likewise.
1778
1779 2011-05-24 Cary Coutant  <ccoutant@google.com>
1780
1781         * gold.cc (queue_initial_tasks): Pass incremental base filename
1782         to Output_file::open_base_file; don't print error message.
1783         * incremental-dump.cc (main): Adjust call to
1784         Output_file::open_for_modification.
1785         * incremental-dump.cc (main): Likewise.
1786         * incremental.cc (Incremental_inputs::report_command_line):
1787         Ignore --incremental-base option when comparing command lines.
1788         Ignore parameter when given as separate argument.
1789         * options.h (class General_options): Add --incremental-base.
1790         * output.cc (Output_file::Output_file):
1791         (Output_file::open_base_file): Add base_name and writable parameters;
1792         read base file into new file; print error message here.
1793         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1794         callers.
1795         * output.h (Output_file::open_for_modification): Rename to...
1796         (Output_file::open_base_file): ...this; add base_name and
1797         writable parameters; adjust all callers.
1798         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1799         callers.
1800         * testsuite/Makefile.am (incremental_test_4): Test
1801         --incremental-base.
1802         * testsuite/Makefile.in: Regenerate.
1803
1804 2011-05-24 Cary Coutant  <ccoutant@google.com>
1805
1806         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1807         incremental_test_4.
1808         * testsuite/Makefile.in: Regenerate.
1809         * testsuite/two_file_test_1_v1.cc: New test source file.
1810         * testsuite/two_file_test_1b_v1.cc: New test source file.
1811         * testsuite/two_file_test_2_v1.cc: New test source file.
1812
1813 2011-05-24 Cary Coutant  <ccoutant@google.com>
1814
1815         * dynobj.h (Dynobj::do_dynobj): New function.
1816         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1817         flag and soname for shared objects.
1818         * incremental.cc (Incremental_inputs::report_object): Make
1819         either Incremental_object_entry or Incremental_dynobj_entry; add
1820         soname to string table.
1821         (Incremental_inputs::report_input_section): Add assertion.
1822         (Output_section_incremental_inputs::set_final_data_size): Adjust
1823         type of input file entry for shared libraries; adjust size of
1824         shared library info entry.
1825         (Output_section_incremental_inputs::write_input_files): Write
1826         as_needed flag for shared libraries.
1827         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1828         of input file entry for shared libraries; write soname.
1829         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1830         soname from incremental info.
1831         * incremental.h (enum Incremental_input_flags): Add
1832         INCREMENTAL_INPUT_AS_NEEDED.
1833         (Incremental_input_entry::Incremental_input_entry): Initialize new
1834         data member.
1835         (Incremental_input_entry::set_as_needed): New function.
1836         (Incremental_input_entry::as_needed): New function.
1837         (Incremental_input_entry::do_dynobj_entry): New function.
1838         (Incremental_input_entry::as_needed_): New data member.
1839         (Incremental_object_entry::Incremental_object_entry): Don't check
1840         for shared library.
1841         (Incremental_object_entry::do_type): Likewise.
1842         (class Incremental_dynobj_entry): New class.
1843         (Incremental_input_entry_reader::as_needed): New function.
1844         (Incremental_input_entry_reader::get_soname): New function.
1845         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1846         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1847         size of shared library info entry.
1848         * layout.cc (Layout::finish_dynamic_section): Don't test for
1849         incremental link when adding DT_NEEDED entries.
1850         * object.h (Object::Object): Initialize new data member.
1851         (Object::dynobj): New function.
1852         (Object::set_as_needed): New function.
1853         (Object::as_needed): New function.
1854         (Object::do_dynobj): New function.
1855         (Object::as_needed_): New data member.
1856
1857 2011-05-24 Cary Coutant  <ccoutant@google.com>
1858
1859         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1860         info; adjust display of GOT entries.
1861         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1862         vector of input objects; remove file_status_.
1863         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1864         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1865         got_plt reader; call target hooks to reserve GOT entries.
1866         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1867         of input file info header and GOT info entry.
1868         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1869         relocation info.
1870         (Got_plt_view_info::got_descriptor): Remove.
1871         (Got_plt_view_info::sym_index): New data member.
1872         (Got_plt_view_info::input_index): New data member.
1873         (Local_got_offset_visitor::visit): Write input file index.
1874         (Global_got_offset_visitor::visit): Write 0 for input file index.
1875         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1876         with sym_index and input_index.
1877         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1878         incremental info GOT entry; replace got_descriptor with input_index.
1879         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1880         map from input file index to object.
1881         (Sized_relobj_incr::do_layout): Replace direct data member reference
1882         with accessor function.
1883         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1884         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1885         Adjust size of input file info header.
1886         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1887         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1888         (Incremental_input_entry_reader::get_input_section): Adjust size of
1889         input file info header.
1890         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1891         of incremental info GOT entry.
1892         (Incremental_got_plt_reader::get_got_desc): Remove.
1893         (Incremental_got_plt_reader::get_got_symndx): New function.
1894         (Incremental_got_plt_reader::get_got_input_index): New function.
1895         (Sized_incremental_binary::Sized_incremental_binary): Remove
1896         file_status_; add input_objects_.
1897         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1898         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1899         (Sized_incremental_binary::file_is_unchanged): Remove.
1900         (Sized_incremental_binary::set_input_object): New function.
1901         (Sized_incremental_binary::input_object): New function.
1902         (Sized_incremental_binary::file_status_): Remove.
1903         (Sized_incremental_binary::input_objects_): New data member.
1904         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1905         references.
1906         (Sized_relobj_incr::invalid_address): Move to base class.
1907         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1908         class.
1909         (Sized_relobj_incr::do_output_section_offset): Likewise.
1910         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1911         (Sized_relobj_incr::section_offsets_): Likewise.
1912         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1913         function.
1914         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1915         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1916         with accessor function.
1917         (Sized_relobj_file::do_layout): Likewise.
1918         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1919         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1920         (Sized_relobj_file::compute_final_local_value): Replace refs to
1921         section_offsets_ with accessor function.
1922         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1923         * object.h (Relobj::Relobj): Initialize new data members.
1924         (Relobj::add_dyn_reloc): New function.
1925         (Relobj::first_dyn_reloc): New function.
1926         (Relobj::dyn_reloc_count): New function.
1927         (Relobj::first_dyn_reloc_): New data member.
1928         (Relobj::dyn_reloc_count_): New data member.
1929         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1930         references.
1931         (Sized_relobj::Address): New typedef.
1932         (Sized_relobj::invalid_address): Move here from child class.
1933         (Sized_relobj::Sized_relobj): Initialize new data members.
1934         (Sized_relobj::sized_relobj): New function.
1935         (Sized_relobj::is_output_section_offset_invalid): Move here from
1936         child class.
1937         (Sized_relobj::get_output_section_offset): Likewise.
1938         (Sized_relobj::local_has_got_offset): Likewise.
1939         (Sized_relobj::local_got_offset): Likewise.
1940         (Sized_relobj::set_local_got_offset): Likewise.
1941         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1942         (Sized_relobj::clear_got_offsets): New function.
1943         (Sized_relobj::section_offsets): Move here from child class.
1944         (Sized_relobj::do_output_section_offset): Likewise.
1945         (Sized_relobj::do_set_section_offset): Likewise.
1946         (Sized_relobj::Local_got_offsets): Likewise.
1947         (Sized_relobj::local_got_offsets_): Likewise.
1948         (Sized_relobj::section_offsets_): Likewise.
1949         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1950         references.
1951         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1952         class.
1953         (Sized_relobj_file::sized_relobj): New function
1954         (Sized_relobj_file::local_has_got_offset): Move to base class.
1955         (Sized_relobj_file::local_got_offset): Likewise.
1956         (Sized_relobj_file::set_local_got_offset): Likewise.
1957         (Sized_relobj_file::get_output_section_offset): Likewise.
1958         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1959         (Sized_relobj_file::do_output_section_offset): Likewise.
1960         (Sized_relobj_file::do_set_section_offset): Likewise.
1961         (Sized_relobj_file::Local_got_offsets): Likewise.
1962         (Sized_relobj_file::local_got_offsets_): Likewise.
1963         (Sized_relobj_file::section_offsets_): Likewise.
1964         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1965         (all constructors).
1966         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1967         (Output_reloc::get_symbol_index): Likewise.
1968         (Output_reloc::local_section_offset): Likewise.
1969         (Output_reloc::get_address): Likewise.
1970         (Output_reloc::symbol_value): Likewise.
1971         (Output_data_got::reserve_slot): Move to class definition.
1972         (Output_data_got::reserve_local): New function.
1973         (Output_data_got::reserve_slot_for_global): Remove.
1974         (Output_data_got::reserve_global): New function.
1975         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1976         (all constructors, two instantiations).
1977         (Output_reloc::get_relobj): New function (two instantiations).
1978         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1979         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1980         (Output_data_reloc::add_global): Adjust type of relobj.
1981         (Output_data_reloc::add_global_relative): Likewise.
1982         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1983         (Output_data_reloc::add_local): Likewise.
1984         (Output_data_reloc::add_local_relative): Likewise.
1985         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1986         (Output_data_reloc::add_local_section): Likewise.
1987         (Output_data_reloc::add_output_section): Likewise.
1988         (Output_data_reloc::add_absolute): Likewise.
1989         (Output_data_reloc::add_target_specific): Likewise.
1990         (Output_data_got::reserve_slot): Move definition here.
1991         (Output_data_got::reserve_local): New function.
1992         (Output_data_got::reserve_global): New function.
1993         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1994         section_offsets_ with accessor function.
1995         (Sized_relobj_file::write_sections): Likewise.
1996         (Sized_relobj_file::do_relocate_sections): Likewise.
1997         * target.h (Sized_target::reserve_local_got_entry): New function.
1998         (Sized_target::reserve_global_got_entry): New function.
1999         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2000         (Target_x86_64::reserve_global_got_entry): New function.
2001         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2002
2003 2011-05-23 Cary Coutant  <ccoutant@google.com>
2004
2005         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2006         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2007         bit when checking got_type.
2008         * incremental.cc (Sized_incremental_binary::setup_readers):
2009         Store symbol table and string table locations; initialize bit vector
2010         of file status flags.
2011         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2012         unchanged files.
2013         (Sized_incremental_binary::do_process_got_plt): New function.
2014         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2015         (Output_section_incremental_inputs::set_final_data_size): Record
2016         file index for each input file.
2017         (Output_section_incremental_inputs::write_got_plt): Store file index
2018         instead of input entry offset for each GOT entry.
2019         * incremental.h
2020         (Incremental_input_entry::Incremental_input_entry): Initialize new
2021         data member.
2022         (Incremental_input_entry::set_offset): Store file index.
2023         (Incremental_input_entry::get_file_index): New function.
2024         (Incremental_input_entry::file_index_): New data member.
2025         (Incremental_binary::process_got_plt): New function.
2026         (Incremental_binary::do_process_got_plt): New function.
2027         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2028         data members.
2029         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2030         (Sized_incremental_binary::set_file_is_unchanged): New function.
2031         (Sized_incremental_binary::file_is_unchanged): New function.
2032         (Sized_incremental_binary::do_process_got_plt): New function.
2033         (Sized_incremental_binary::file_status_): New data member.
2034         (Sized_incremental_binary::main_symtab_loc_): New data member.
2035         (Sized_incremental_binary::main_strtab_loc_): New data member.
2036         * output.cc (Output_data_got::Got_entry::write): Add case
2037         RESERVED_CODE.
2038         (Output_data_got::add_global): Call add_got_entry.
2039         (Output_data_got::add_global_plt): Likewise.
2040         (Output_data_got::add_global_with_rel): Likewise.
2041         (Output_data_got::add_global_with_rela): Likewise.
2042         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2043         (Output_data_got::add_global_pair_with_rela): Likewise.
2044         (Output_data_got::add_local): Call add_got_entry.
2045         (Output_data_got::add_local_plt): Likewise.
2046         (Output_data_got::add_local_with_rel): Likewise.
2047         (Output_data_got::add_local_with_rela): Likewise.
2048         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2049         (Output_data_got::add_local_pair_with_rela): Likewise.
2050         (Output_data_got::reserve_slot): New function.
2051         (Output_data_got::reserve_slot_for_global): New function.
2052         (Output_data_got::add_got_entry): New function.
2053         (Output_data_got::add_got_entry_pair): New function.
2054         (Output_section::add_output_section_data): Edit FIXME.
2055         * output.h
2056         (Output_section_data_build::Output_section_data_build): New
2057         constructor with size parameter.
2058         (Output_data_space::Output_data_space): Likewise.
2059         (Output_data_got::Output_data_got): Initialize new data member; new
2060         constructor with size parameter.
2061         (Output_data_got::add_constant): Call add_got_entry.
2062         (Output_data_got::reserve_slot): New function.
2063         (Output_data_got::reserve_slot_for_global): New function.
2064         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2065         (Output_data_got::add_got_entry): New function.
2066         (Output_data_got::add_got_entry_pair): New function.
2067         (Output_data_got::free_list_): New data member.
2068         * target.h (Sized_target::init_got_plt_for_update): New function.
2069         (Sized_target::register_global_plt_entry): New function.
2070         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2071         Initialize new data member; call init; add constructor with PLT count.
2072         (Output_data_plt_x86_64::init): New function.
2073         (Output_data_plt_x86_64::add_relocation): New function.
2074         (Output_data_plt_x86_64::reserve_slot): New function.
2075         (Output_data_plt_x86_64::free_list_): New data member.
2076         (Target_x86_64::init_got_plt_for_update): New function.
2077         (Target_x86_64::register_global_plt_entry): New function.
2078         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2079         incremental updates.
2080         (Output_data_plt_x86_64::add_relocation): New function.
2081         * testsuite/object_unittest.cc (Object_test): Set default options.
2082
2083 2011-05-16  Ian Lance Taylor  <iant@google.com>
2084
2085         * options.h (class General_options): Make -i a synonym for -r.
2086
2087 2011-05-16  Ian Lance Taylor  <iant@google.com>
2088
2089         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2090
2091 2011-05-10 Cary Coutant  <ccoutant@google.com>
2092
2093         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2094         strip_all (-s).
2095
2096 2011-05-06  Ian Lance Taylor  <iant@google.com>
2097
2098         * layout.cc (Layout::layout): If the output section flags change,
2099         update the ordering.
2100
2101 2011-04-25 Cary Coutant  <ccoutant@google.com>
2102
2103         * incremental-dump.cc (dump_incremental_inputs): Print local
2104         symbol info for each input file.
2105         * incremental.cc
2106         (Output_section_incremental_inputs::set_final_data_size): Add local
2107         symbol info to input file entries in incremental info.
2108         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2109         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2110         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2111         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2112         implementation.
2113         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2114         (Sized_incr_relobj::do_relocate): Write the local symbols.
2115         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2116         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2117         Adjust size of input file header.
2118         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2119         (Incremental_inputs_reader::get_local_symbol_count): New function.
2120         (Incremental_inputs_reader::get_input_section): Adjust size of input
2121         file header.
2122         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2123         (Sized_incr_relobj::This): New typedef.
2124         (Sized_incr_relobj::sym_size): New const data member.
2125         (Sized_incr_relobj::Local_symbol): New struct.
2126         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2127         (Sized_incr_relobj::do_local_symbol_offset): New function.
2128         (Sized_incr_relobj::local_symbol_count_): New data member.
2129         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2130         (Sized_incr_relobj::local_symbol_index_): New data member.
2131         (Sized_incr_relobj::local_symbol_offset_): New data member.
2132         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2133         (Sized_incr_relobj::local_symbols_): New data member.
2134         * object.h (Relobj::output_local_symbol_count): New function.
2135         (Relobj::local_symbol_offset): New function.
2136         (Relobj::do_output_local_symbol_count): New function.
2137         (Relobj::do_local_symbol_offset): New function.
2138         (Sized_relobj::do_output_local_symbol_count): New function.
2139         (Sized_relobj::do_local_symbol_offset): New function.
2140
2141 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2142
2143         * descriptors.cc (set_close_on_exec): New function.
2144         (Descriptors::open): Use set_close_on_exec.
2145         * output.cc (S_ISLNK): Define if not defined.
2146
2147 2011-04-22 Cary Coutant  <ccoutant@google.com>
2148
2149         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2150         global symbol map.
2151         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2152         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2153         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2154         relocations.
2155         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2156         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2157         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2158         * incremental.h
2159         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2160         function.
2161         (Incremental_binary::apply_incremental_relocs): New function.
2162         (Incremental_binary::do_apply_incremental_relocs): New function.
2163         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2164         data member.
2165         (Sized_incremental_binary::add_global_symbol): New function.
2166         (Sized_incremental_binary::global_symbol): New function.
2167         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2168         (Sized_incremental_binary::symbol_map_): New data member.
2169         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2170         * target.h (Sized_target::apply_relocation): New function.
2171         * target-reloc.h (apply_relocation): New function.
2172         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2173
2174 2011-04-22  Doug Kwan  <dougkwan@google.com>
2175
2176         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2177         flag of a SHT_ARM_EXIDX section.
2178         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2179         * testsuite/Makefile.in: Regenerate.
2180         * testsuite/arm_exidx_test.s: New file.
2181         * testsuite/arm_exidx_test.sh: Same.
2182
2183 2011-04-20 Cary Coutant  <ccoutant@google.com>
2184
2185         PR gold/12689
2186         * archive.h (Incremental_archive_entry::Archive_member):
2187         Initialize arg_serial_ (second constructor).
2188
2189 2011-04-17  Ian Lance Taylor  <iant@google.com>
2190
2191         * object.cc (Relocate_info::location): Simplify location string.
2192         * errors.cc (Errors::error_at_location): Don't print program
2193         name.
2194         (Errors::warning_at_location): Likewise.
2195         (Errors::undefined_symbol): Likewise.
2196         * testsuite/debug_msg.sh: Update accordingly.
2197
2198 2011-04-14 Cary Coutant  <ccoutant@google.com>
2199
2200         * gold/layout.cc (Layout::symtab_section_offset): New function.
2201         * gold/layout.h (Layout::symtab_section_offset): New function.
2202         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2203
2204 2011-04-12  Ian Lance Taylor  <iant@google.com>
2205
2206         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2207         with MREMAP_MAYMOVE.
2208         * output.h (class Output_file): Add map_is_allocated_ field.
2209         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2210         not available, provide stubs.  If mremap is not available, #define
2211         it to gold_mremap.
2212         (MREMAP_MAYMOVE): Define if not defined.
2213         (Output_file::Output_file): Initialize map_is_allocated_.
2214         (Output_file::resize): Check map_is_allocated_.
2215         (Output_file::map_anonymous): If mmap fails, use malloc.
2216         (Output_file::unmap): Don't do anything for an anonymous map.
2217         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2218         is not available, provide stubs.
2219         (File_read::View::~View): Use free rather than delete[].
2220         (File_read::make_view): Use malloc rather than new[].  If mmap
2221         fails, use malloc.
2222         (File_read::find_or_make_view): Use malloc rather than new[].
2223         * gold.h: Remove HAVE_REMAP code.
2224         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2225         exists.  Rename mremap to gold_mremap.  If mmap is not available
2226         don't do anything.
2227         * configure, config.in: Rebuild.
2228
2229 2011-04-11  Ian Lance Taylor  <iant@google.com>
2230
2231         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2232         initialize local variable v.
2233
2234 2011-04-11  Cary Coutant  <ccoutant@google.com>
2235
2236         * archive.cc (Archive::include_member): Adjust call to
2237         report_object.
2238         (Add_archive_symbols::run): Track argument serial numbers.
2239         (Lib_group::include_member): Likewise.
2240         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2241         * archive.h (Incremental_archive_entry::Archive_member):
2242         Initialize arg_serial_.
2243         (Archive_member::arg_serial_): New data member.
2244         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2245         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2246         incremental link.
2247         (Sized_dynobj::do_for_all_local_got_entries): New function.
2248         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2249         function.
2250         * fileread.cc (get_mtime): New function.
2251         * fileread.h (get_mtime): New function.
2252         * gold.cc (queue_initial_tasks): Check for incremental update.
2253         (process_incremental_input): New function.
2254         (queue_middle_tasks): Don't force valid target for incremental
2255         update.
2256         * incremental-dump.cc (find_input_containing_global): Adjust
2257         size of symbol info entry.
2258         (dump_incremental_inputs): Dump argument serial number and
2259         in_system_directory flag; bias shndx by 1; print symbol names
2260         when dumping per-file symbol lists; use new symbol info readers.
2261         * incremental.cc
2262         (Output_section_incremental_inputs:update_data_size): New function.
2263         (Sized_incremental_binary::setup_readers): Setup input readers
2264         for each input file; build maps for files added from libraries
2265         and scripts.
2266         (Sized_incremental_binary::check_input_args): New function.
2267         (Sized_incremental_binary::do_check_inputs): Build map of argument
2268         serial numbers to input arguments.
2269         (Sized_incremental_binary::do_file_has_changed): Rename
2270         do_file_is_unchanged to this; compare file modification times.
2271         (Sized_incremental_binary::do_init_layout): New function.
2272         (Sized_incremental_binary::do_reserve_layout): New function.
2273         (Sized_incremental_binary::do_get_input_reader): Remove.
2274         (Sized_incremental_binary::get_symtab_view): New function.
2275         (Incremental_checker::can_incrementally_link_output_file): Remove.
2276         (Incremental_inputs::report_command_line): Exclude --debug options.
2277         (Incremental_inputs::report_archive_begin): Add parameter; track
2278         argument serial numbers; don't put input file entry for archive
2279         before archive members.
2280         (Incremental_inputs::report_archive_end): Put input file entry
2281         for archive after archive members.
2282         (Incremental_inputs::report_object): Add parameter; track argument
2283         serial numbers and in_system_directory flag.
2284         (Incremental_inputs::report_script): Add parameter; track argument
2285         serial numbers.
2286         (Output_section_incremental_inputs::set_final_data_size): Adjust
2287         size of symbol info entry; check for forwarding symbols.
2288         (Output_section_incremental_inputs::write_input_files): Write
2289         in_system_directory flag and argument serial number.
2290         (Output_section_incremental_inputs::write_info_blocks): Map section
2291         indices between incremental info and original input file; store
2292         input section index for each symbol.
2293         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2294         change operator() to visit().
2295         (class Global_got_offset_visitor): Likewise.
2296         (class Global_symbol_visitor_got_plt):
2297         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2298         classes.
2299         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2300         (Sized_incr_relobj::do_read_symbols): New function.
2301         (Sized_incr_relobj::do_layout): New function.
2302         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2303         (Sized_incr_relobj::do_add_symbols): New function.
2304         (Sized_incr_relobj::do_should_include_member): New function.
2305         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2306         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2307         (Sized_incr_relobj::do_section_size): New function.
2308         (Sized_incr_relobj::do_section_name): New function.
2309         (Sized_incr_relobj::do_section_contents): New function.
2310         (Sized_incr_relobj::do_section_flags): New function.
2311         (Sized_incr_relobj::do_section_entsize): New function.
2312         (Sized_incr_relobj::do_section_address): New function.
2313         (Sized_incr_relobj::do_section_type): New function.
2314         (Sized_incr_relobj::do_section_link): New function.
2315         (Sized_incr_relobj::do_section_info): New function.
2316         (Sized_incr_relobj::do_section_addralign): New function.
2317         (Sized_incr_relobj::do_initialize_xindex): New function.
2318         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2319         (Sized_incr_relobj::do_read_relocs): New function.
2320         (Sized_incr_relobj::do_gc_process_relocs): New function.
2321         (Sized_incr_relobj::do_scan_relocs): New function.
2322         (Sized_incr_relobj::do_count_local_symbols): New function.
2323         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2324         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2325         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2326         (Sized_incr_relobj::do_relocate): New function.
2327         (Sized_incr_relobj::do_set_section_offset): New function.
2328         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2329         (Sized_incr_dynobj::do_read_symbols): New function.
2330         (Sized_incr_dynobj::do_layout): New function.
2331         (Sized_incr_dynobj::do_add_symbols): New function.
2332         (Sized_incr_dynobj::do_should_include_member): New function.
2333         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2334         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2335         (Sized_incr_dynobj::do_section_size): New function.
2336         (Sized_incr_dynobj::do_section_name): New function.
2337         (Sized_incr_dynobj::do_section_contents): New function.
2338         (Sized_incr_dynobj::do_section_flags): New function.
2339         (Sized_incr_dynobj::do_section_entsize): New function.
2340         (Sized_incr_dynobj::do_section_address): New function.
2341         (Sized_incr_dynobj::do_section_type): New function.
2342         (Sized_incr_dynobj::do_section_link): New function.
2343         (Sized_incr_dynobj::do_section_info): New function.
2344         (Sized_incr_dynobj::do_section_addralign): New function.
2345         (Sized_incr_dynobj::do_initialize_xindex): New function.
2346         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2347         (make_sized_incremental_object): New function.
2348         (Incremental_library::copy_unused_symbols): New function.
2349         (Incremental_library::do_for_all_unused_symbols): New function.
2350         * incremental.h (enum Incremental_input_flags): New type.
2351         (class Incremental_checker): Remove.
2352         (Incremental_input_entry::Incremental_input_entry): Add argument
2353         serial number.
2354         (Incremental_input_entry::arg_serial): New function.
2355         (Incremental_input_entry::set_is_in_system_directory): New function.
2356         (Incremental_input_entry::is_in_system_directory): New function.
2357         (Incremental_input_entry::arg_serial_): New data member.
2358         (Incremental_input_entry::is_in_system_directory_): New data member.
2359         (class Script_info): Move here from script.h.
2360         (Script_info::Script_info): Add filename parameter.
2361         (Script_info::filename): New function.
2362         (Script_info::filename_): New data member.
2363         (Incremental_script_entry::Incremental_script_entry): Add argument
2364         serial number.
2365         (Incremental_object_entry::Incremental_object_entry): Likewise.
2366         (Incremental_object_entry::add_input_section): Build list of input
2367         sections with map to original shndx.
2368         (Incremental_object_entry::get_input_section_index): New function.
2369         (Incremental_object_entry::shndx_): New data member.
2370         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2371         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2372         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2373         serial number.
2374         (Incremental_inputs::report_archive_begin): Likewise.
2375         (Incremental_inputs::report_object): Likewise.
2376         (Incremental_inputs::report_script): Likewise.
2377         (class Incremental_global_symbol_reader): New class.
2378         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2379         and store flags and input file type.
2380         (Incremental_input_entry_reader::arg_serial): New function.
2381         (Incremental_input_entry_reader::type): Extract type from flags.
2382         (Incremental_input_entry_reader::is_in_system_directory): New function.
2383         (Incremental_input_entry_reader::get_input_section_count): Call
2384         accessor function for type.
2385         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2386         function for type; adjust size of global symbol entry.
2387         (Incremental_input_entry_reader::get_global_symbol_count): Call
2388         accessor function for type.
2389         (Incremental_input_entry_reader::get_object_count): Likewise.
2390         (Incremental_input_entry_reader::get_object_offset): Likewise.
2391         (Incremental_input_entry_reader::get_member_count): Likewise.
2392         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2393         (Incremental_input_entry_reader::get_member_offset): Likewise.
2394         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2395         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2396         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2397         (Incremental_input_entry_reader::get_global_symbol_reader): New
2398         function.
2399         (Incremental_input_entry_reader::get_output_symbol_index): New
2400         function.
2401         (Incremental_input_entry_reader::type_): Remove.
2402         (Incremental_input_entry_reader::flags_): New data member.
2403         (Incremental_inputs_reader::input_file_offset): New function.
2404         (Incremental_inputs_reader::input_file_index): New function.
2405         (Incremental_inputs_reader::input_file): Call input_file_offset.
2406         (Incremental_inputs_reader::input_file_at_offset): New function.
2407         (Incremental_relocs_reader::get_r_type): Reformat.
2408         (Incremental_relocs_reader::get_r_shndx): Reformat.
2409         (Incremental_relocs_reader::get_r_offset): Reformat.
2410         (Incremental_relocs_reader::data): New function.
2411         (Incremental_binary::Incremental_binary): Initialize new data members.
2412         (Incremental_binary::check_inputs): Add cmdline parameter.
2413         (Incremental_binary::file_is_unchanged): Remove.
2414         (Input_reader::arg_serial): New function.
2415         (Input_reader::get_unused_symbol_count): New function.
2416         (Input_reader::get_unused_symbol): New function.
2417         (Input_reader::do_arg_serial): New function.
2418         (Input_reader::do_get_unused_symbol_count): New function.
2419         (Input_reader::do_get_unused_symbol): New function.
2420         (Incremental_binary::input_file_count): New function.
2421         (Incremental_binary::get_input_reader): Change signature to use
2422         index instead of filename.
2423         (Incremental_binary::file_has_changed): New function.
2424         (Incremental_binary::get_input_argument): New function.
2425         (Incremental_binary::get_library): New function.
2426         (Incremental_binary::get_script_info): New function.
2427         (Incremental_binary::init_layout): New function.
2428         (Incremental_binary::reserve_layout): New function.
2429         (Incremental_binary::output_file): New function.
2430         (Incremental_binary::do_check_inputs): New function.
2431         (Incremental_binary::do_file_is_unchanged): Remove.
2432         (Incremental_binary::do_file_has_changed): New function.
2433         (Incremental_binary::do_init_layout): New function.
2434         (Incremental_binary::do_reserve_layout): New function.
2435         (Incremental_binary::do_input_file_count): New function.
2436         (Incremental_binary::do_get_input_reader): Change signature.
2437         (Incremental_binary::input_args_map_): New data member.
2438         (Incremental_binary::library_map_): New data member.
2439         (Incremental_binary::script_map_): New data member.
2440         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2441         new data members.
2442         (Sized_incremental_binary::output_section): New function.
2443         (Sized_incremental_binary::inputs_reader): Add const.
2444         (Sized_incremental_binary::symtab_reader): Add const.
2445         (Sized_incremental_binary::relocs_reader): Add const.
2446         (Sized_incremental_binary::got_plt_reader): Add const.
2447         (Sized_incremental_binary::get_symtab_view): New function.
2448         (Sized_incremental_binary::Inputs_reader): New typedef.
2449         (Sized_incremental_binary::Input_entry_reader): New typedef.
2450         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2451         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2452         (Sized_incremental_binary::do_file_has_changed): New function.
2453         (Sized_incremental_binary::do_init_layout): New function.
2454         (Sized_incremental_binary::do_reserve_layout): New function.
2455         (Sized_input_reader::Inputs_reader): Remove.
2456         (Sized_input_reader::Input_entry_reader): Remove.
2457         (Sized_input_reader::do_arg_serial): New function.
2458         (Sized_input_reader::do_get_unused_symbol_count): New function.
2459         (Sized_input_reader::do_get_unused_symbol): New function.
2460         (Sized_incremental_binary::do_input_file_count): New function.
2461         (Sized_incremental_binary::do_get_input_reader): Change signature;
2462         use index instead of filename.
2463         (Sized_incremental_binary::section_map_): New data member.
2464         (Sized_incremental_binary::input_entry_readers_): New data member.
2465         (class Sized_incr_relobj): New class.
2466         (class Sized_incr_dynobj): New class.
2467         (make_sized_incremental_object): New function.
2468         (class Incremental_library): New class.
2469         * layout.cc (Free_list::num_lists): New static data member.
2470         (Free_list::num_nodes): New static data member.
2471         (Free_list::num_removes): New static data member.
2472         (Free_list::num_remove_visits): New static data member.
2473         (Free_list::num_allocates): New static data member.
2474         (Free_list::num_allocate_visits): New static data member.
2475         (Free_list::init): New function.
2476         (Free_list::remove): New function.
2477         (Free_list::allocate): New function.
2478         (Free_list::dump): New function.
2479         (Free_list::print_stats): New function.
2480         (Layout_task_runner::run): Resize output file for incremental updates.
2481         (Layout::Layout): Initialize new data members.
2482         (Layout::set_incremental_base): New function.
2483         (Layout::init_fixed_output_section): New function.
2484         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2485         incremental updates.
2486         (Layout::create_gold_note): Do not create gold note section for
2487         incremental updates.
2488         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2489         for incremental updates.
2490         (Layout::set_section_offsets): For incremental updates, allocate space
2491         from free list.
2492         (Layout::create_symtab_sections): Layout with offsets relative to
2493         start of section; for incremental updates, allocate space from free
2494         list.
2495         (Layout::create_shdrs): For incremental updates, allocate space from
2496         free list.
2497         (Layout::finish_dynamic_section): For incremental updates, do not
2498         check --as-needed (fixed in subsequent patch).
2499         * layout.h (class Free_list): New class.
2500         (Layout::set_incremental_base): New function.
2501         (Layout::incremental_base): New function.
2502         (Layout::init_fixed_output_section): New function.
2503         (Layout::allocate): New function.
2504         (Layout::incremental_base_): New data member.
2505         (Layout::free_list_): New data member.
2506         * main.cc (main): Print Free_list statistics.
2507         * object.cc (Relobj::finalize_incremental_relocs): Add
2508         clear_counts parameter; clear counts only when clear_counts is set.
2509         (Sized_relobj::Sized_relobj): Initialize new base class.
2510         (Sized_relobj::do_layout): Don't report special sections.
2511         (Sized_relobj::do_for_all_local_got_entries): New function.
2512         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2513         symtab_off to all symbol table offsets.
2514         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2515         * object.h (class Got_offset_list): Move to top of file.
2516         (Object::Object): Allow case where input_file == NULL.
2517         (Object::~Object): Likewise.
2518         (Object::input_file): Assert that input_file != NULL.
2519         (Object::lock): Allow case where input_file == NULL.
2520         (Object::unlock): Likewise.
2521         (Object::is_locked): Likewise.
2522         (Object::token): Likewise.
2523         (Object::release): Likewise.
2524         (Object::is_incremental): New function.
2525         (Object::get_mtime): New function.
2526         (Object::for_all_local_got_entries): New function.
2527         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2528         (Object::set_is_in_system_directory): New function.
2529         (Object::is_in_system_directory): New function.
2530         (Object::do_is_incremental): New function.
2531         (Object::do_get_mtime): New function.
2532         (Object::do_for_all_local_got_entries): New function.
2533         (Object::is_in_system_directory_): New data member.
2534         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2535         (class Sized_relobj_base): New class.
2536         (class Sized_relobj): Derive from Sized_relobj_base.
2537         (class Sized_relobj::Symbols): Redeclare from base class.
2538         (class Sized_relobj::local_got_offset_list): Remove.
2539         (class Sized_relobj::Output_sections): Redeclare from base class.
2540         (class Sized_relobj::do_for_all_local_got_entries): New function.
2541         (class Sized_relobj::write_local_symbols): Add offset parameter.
2542         (class Sized_relobj::local_symbol_offset_): Update comment.
2543         (class Sized_relobj::local_dynsym_offset_): Update comment.
2544         * options.cc (Input_arguments::add_file): Remove const.
2545         * options.h (Input_file_argument::Input_file_argument):
2546         Initialize arg_serial_ (all constructors).
2547         (Input_file_argument::set_arg_serial): New function.
2548         (Input_file_argument::arg_serial): New function.
2549         (Input_file_argument::arg_serial_): New data member.
2550         (Input_arguments::Input_arguments): Initialize file_count_.
2551         (Input_arguments::add_file): Remove const.
2552         (Input_arguments::number_of_input_files): New function.
2553         (Input_arguments::file_count_): New data member.
2554         (Command_line::number_of_input_files): Call
2555         Input_arguments::number_of_input_files.
2556         * output.cc (Output_segment_headers::Output_segment_headers):
2557         Set current size.
2558         (Output_section::Input_section::current_data_size): New function.
2559         (Output_section::Output_section): Initialize new data members.
2560         (Output_section::add_input_section): Don't do merge sections for
2561         an incremental link; allocate space from free list for an
2562         incremental update.
2563         (Output_section::add_output_section_data): Allocate space from
2564         free list for an incremental update.
2565         (Output_section::update_data_size): New function.
2566         (Output_section::set_fixed_layout): New function.
2567         (Output_section::reserve): New function.
2568         (Output_segment::set_section_addresses): Remove const.
2569         (Output_segment::set_section_list_addresses): Remove const; allocate
2570         space from free list for an incremental update.
2571         (Output_segment::set_offset): Adjust size of RELRO segment for an
2572         incremental update.
2573         * output.h (Output_data::current_data_size): Move here from
2574         child classes.
2575         (Output_data::pre_finalize_data_size): New function.
2576         (Output_data::update_data_size): New function.
2577         (Output_section_headers::update_data_size): new function.
2578         (Output_section_data_build::current_data_size): Move to Output_data.
2579         (Output_data_strtab::update_data_size): New function.
2580         (Output_section::current_data_size): Move to Output_data.
2581         (Output_section::set_fixed_layout): New function.
2582         (Output_section::has_fixed_layout): New function.
2583         (Output_section::reserve): New function.
2584         (Output_section::update_data_size): New function.
2585         (Output_section::has_fixed_layout_): New data member.
2586         (Output_section::free_list_): New data member.
2587         (Output_segment::set_section_addresses): Remove const.
2588         (Output_segment::set_section_list_addresses): Remove const.
2589         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2590         New function.
2591         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2592         New function.
2593         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2594         parameter when calling Add_symbols constructor; store argument
2595         serial number for members of a lib group.
2596         (Add_symbols::locks): Allow case where token == NULL.
2597         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2598         (Read_member::~Read_member): New function.
2599         (Read_member::is_runnable): New function.
2600         (Read_member::locks): New function.
2601         (Read_member::run): New function.
2602         (Check_script::~Check_script): New function.
2603         (Check_script::is_runnable): New function.
2604         (Check_script::locks): New function.
2605         (Check_script::run): New function.
2606         (Check_library::~Check_library): New function.
2607         (Check_library::is_runnable): New function.
2608         (Check_library::locks): New function.
2609         (Check_library::run): New function.
2610         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2611         (Add_symbols::library_): New data member.
2612         (class Read_member): New class.
2613         (class Check_script): New class.
2614         (class Check_library): New class.
2615         * reloc.cc (Read_relocs::is_runnable): Allow case where
2616         token == NULL.
2617         (Read_relocs::locks): Likewise.
2618         (Scan_relocs::locks): Likewise.
2619         (Relocate_task::locks): Likewise.
2620         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2621         to clear counters.
2622         (Sized_relobj::incremental_relocs_scan): Fix comment.
2623         (Sized_relobj::do_relocate): Pass output file offset to
2624         write_local_symbols.
2625         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2626         from class declaration.
2627         * script.cc (read_input_script): Allocate Script_info; pass
2628         argument serial number to report_script.
2629         * script.h (class Script_info): Move to incremental.h.
2630         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2631         * symtab.h (Symbol_table::add_from_incrobj): New function.
2632         (Symbol_table::set_file_offset): New function.
2633
2634 2011-04-05  Cary Coutant  <ccoutant@google.com>
2635
2636         * incremental-dump.cc (dump_incremental_inputs): Change signature
2637         to take a Sized_incremental_binary; change caller.  Use readers
2638         in Sized_incremental_binary.
2639         * incremental.cc
2640         (Sized_incremental_binary::find_incremental_inputs_sections):
2641         Rename do_find_incremental_inputs_sections to this.
2642         (Sized_incremental_binary::setup_readers): New function.
2643         (Sized_incremental_binary::do_check_inputs): Check
2644         has_incremental_info_ flag; move setup code to setup_readers;
2645         use input readers.
2646         (Sized_incremental_binary::do_file_is_unchanged): New function.
2647         (Sized_incremental_binary::do_get_input_reader): New function.
2648         * incremental.h (class Incremental_binary): Move to end of file.
2649         (Incremental_binary::file_is_unchanged): New function.
2650         (Incremental_binary::do_file_is_unchanged): New function.
2651         (Incremental_binary::Input_reader): New class.
2652         (Incremental_binary::get_input_reader): New function.
2653         (class Sized_incremental_binary): Move to end of file.
2654         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2655         input section reader classes.
2656         (Sized_incremental_binary::has_incremental_info): New function.
2657         (Sized_incremental_binary::inputs_reader): New function.
2658         (Sized_incremental_binary::symtab_reader): New function.
2659         (Sized_incremental_binary::relocs_reader): New function.
2660         (Sized_incremental_binary::got_plt_reader): New function.
2661         (Sized_incremental_binary::do_file_is_unchanged): New function.
2662         (Sized_incremental_binary::Sized_input_reader): New class.
2663         (Sized_incremental_binary::get_input_reader): New function.
2664         (Sized_incremental_binary::find_incremental_inputs_sections):
2665         Rename do_find_incremental_inputs_sections to this.
2666         (Sized_incremental_binary::setup_readers): New function.
2667         (Sized_incremental_binary::has_incremental_info_): New data member.
2668         (Sized_incremental_binary::inputs_reader_): New data member.
2669         (Sized_incremental_binary::symtab_reader_): New data member.
2670         (Sized_incremental_binary::relocs_reader_): New data member.
2671         (Sized_incremental_binary::got_plt_reader_): New data member.
2672         (Sized_incremental_binary::current_input_file_): New data member.
2673
2674 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2675
2676         PR gold/12640
2677         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2678         violation.
2679
2680 2011-03-30  Cary Coutant  <ccoutant@google.com>
2681
2682         * archive.cc (Archive::include_member): Adjust call to report_object.
2683         (Add_archive_symbols::run): Add script_info to call to
2684         report_archive_begin.
2685         (Lib_group::include_member): Adjust call to report_object.
2686         (Add_lib_group_symbols::run): Adjust call to report_object.
2687         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2688         blocks.  Add object count for script input files.
2689         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2690         script_info parameter; change all callers.
2691         (Incremental_inputs::report_object): Add script_info parameter;
2692         change all callers.
2693         (Incremental_inputs::report_script): Store backpointer to
2694         incremental info entry.
2695         (Output_section_incremental_inputs::set_final_data_size): Record
2696         additional information for scripts.
2697         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2698         * incremental.h (Incremental_script_entry::add_object): New function.
2699         (Incremental_script_entry::get_object_count): New function.
2700         (Incremental_script_entry::get_object): New function.
2701         (Incremental_script_entry::objects_): New data member; adjust
2702         constructor.
2703         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2704         (Incremental_inputs::report_object): Add script_info parameter.
2705         (Incremental_inputs_reader::get_object_count): New function.
2706         (Incremental_inputs_reader::get_object_offset): New function.
2707         * options.cc (Input_arguments::add_file): Return reference to
2708         new input argument.
2709         * options.h (Input_argument::set_script_info): New function.
2710         (Input_argument::script_info): New function.
2711         (Input_argument::script_info_): New data member; adjust all
2712         constructors.
2713         (Input_file_group::add_file): Return reference to new input argument.
2714         (Input_file_lib::add_file): Likewise.
2715         (Input_arguments::add_file): Likewise.
2716         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2717         * script.cc (Parser_closure::Parser_closure): Add script_info
2718         parameter; adjust all callers.
2719         (Parser_closure::script_info): New function.
2720         (Parser_closure::script_info_): New data member.
2721         (read_input_script): Report scripts earlier to incremental info.
2722         (script_add_file): Set script_info in Input_argument.
2723         (script_add_library): Likewise.
2724         * script.h (Script_options::Script_info): Rewrite class.
2725
2726 2011-03-29  Cary Coutant  <ccoutant@google.com>
2727
2728         * archive.cc (Library_base::should_include_member): Move
2729         method here from class Archive.
2730         (Archive::Archive): Initialize base class.
2731         (Archive::should_include_member): Move to base class.
2732         (Archive::do_for_all_unused_symbols): New function.
2733         (Add_archive_symbols::run): Remove redundant access to
2734         incremental_inputs.
2735         (Lib_group::Lib_group): Initialize base class.
2736         (Lib_group::do_filename): New function.
2737         (Lib_group::include_member): Pass pointer to Lib_group to
2738         report_object.
2739         (Lib_group::do_for_all_unused_symbols): New function.
2740         (Add_lib_group_symbols::run): Report archive information for
2741         incremental links.
2742         * archive.h (class Library_base): New base class.
2743         (class Archive): Derive from Library_base.
2744         (Archive::filename): Move to base class.
2745         (Archive::set_incremental_info): Likewise.
2746         (Archive::incremental_info): Likewise.
2747         (Archive::Should_include): Likewise.
2748         (Archive::should_include_member): Likewise.
2749         (Archive::Armap_entry): Remove.
2750         (Archive::Unused_symbol_iterator): Remove.
2751         (Archive::unused_symbols_begin): Remove.
2752         (Archive::unused_symbols_end): Remove.
2753         (Archive::do_filename): New function.
2754         (Archive::do_get_mtime): New function.
2755         (Archive::do_for_all_unused_symbols): New function.
2756         (Archive::task_): Move to base class.
2757         (Archive::incremental_info_): Likewise.
2758         (class Lib_group): Derive from Library_base.
2759         (Lib_group::do_filename): New function.
2760         (Lib_group::do_get_mtime): New function.
2761         (Lib_group::do_for_all_unused_symbols): New function.
2762         (Lib_group::task_): Move to base class.
2763         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2764         function.
2765         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2766         function.
2767         * incremental.cc (Incremental_inputs::report_archive_begin):
2768         Use Library_base; call library's get_mtime; add incremental inputs
2769         entry before members.
2770         (class Unused_symbol_visitor): New class.
2771         (Incremental_inputs::report_archive_end): Use Library_base; use
2772         visitor class to record unused symbols; don't add incremental inputs
2773         entry after members.
2774         (Incremental_inputs::report_object): Use Library_base.
2775         * incremental.h
2776         (Incremental_archive_entry::Incremental_archive_entry): Remove
2777         unused Archive parameter.
2778         (Incremental_inputs::report_archive_begin): Use Library_base.
2779         (Incremental_inputs::report_archive_end): Likewise.
2780         (Incremental_inputs::report_object): Likewise.
2781         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2782         function.
2783         * object.h (Object::for_all_global_symbols): New function.
2784         (Object::do_for_all_global_symbols): New function.
2785         (Sized_relobj::do_for_all_global_symbols): New function.
2786         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2787         function.
2788         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2789         function.
2790
2791 2011-03-27  Ian Lance Taylor  <iant@google.com>
2792
2793         * archive.cc (Archive::interpret_header): Return -1 if something
2794         goes wrong.  Change callers accordingly.
2795
2796 2011-03-25  Cary Coutant  <ccoutant@google.com>
2797
2798         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2799         * testsuite/Makefile.in: Regenerate.
2800
2801 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2802
2803         * plugin.cc (get_view): New.
2804         (Plugin::load): Pass get_view to the plugin.
2805         (Plugin_manager::get_view): New.
2806
2807 2011-03-21  Ian Lance Taylor  <iant@google.com>
2808
2809         * testsuite/final_layout.sh: Rewrite to not use dc.
2810         * testsuite/relro_test.sh: Fail if dc is not present.
2811
2812 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2813
2814         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2815         Change == to -eq.
2816         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2817         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2818         Change == to -eq.
2819         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2820         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2821
2822 2011-03-14  Ian Lance Taylor  <iant@google.com>
2823
2824         * script-sections.cc (Sort_output_sections::script_compare):
2825         Rename from is_before, change return type.
2826         (Sort_output_sections::operator()): Adjust accordingly.
2827
2828 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2829
2830         PR gold/12572
2831         * testsuite/odr_violation2.cc: Add comment to make all error line
2832         numbers double digits.
2833         * testsuite/debug_msg.sh: Adjust expected errors.
2834
2835 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2836
2837         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2838         but mark earlier ones as non-canonical
2839         (offset_to_iterator): Update search target and example
2840         (do_addr2line): Return extra lines in a vector*
2841         (format_file_lineno): Extract from do_addr2line
2842         (one_addr2line): Add vector* out-param
2843         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2844         when a lineno entry appeared last for its instruction
2845         (Dwarf_line_info): Add vector* out-param
2846         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2847         * symtab.cc (Odr_violation_compare): Include the lineno in the
2848         comparison again.
2849         (linenos_from_loc): New. Combine the canonical line for an
2850         address with its other lines.
2851         (True_if_intersect): New. Helper functor to make
2852         std::set_intersection a query.
2853         (detect_odr_violations): Compare sets of lines instead of just
2854         one line for each function. This became less deterministic, but
2855         has fewer false positives.
2856         * symtab.h: Declarations.
2857         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2858         mix an optimized and non-optimized object in the same binary
2859         (odr_violation2.so): Same.
2860         * testsuite/Makefile.in: Regenerate from Makefile.am.
2861         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2862         * testsuite/debug_msg.sh: Update line numbers and add
2863         assertions.
2864         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2865         non-optimized context.
2866         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2867         isn't inlined, and use OdrDerived in an optimized context.
2868         * testsuite/odr_header1.h: Defines OdrDerived, where
2869         optimization will change the
2870         first-instruction-in-the-destructor's file and line number.
2871         * testsuite/odr_header2.h: Defines OdrBase.
2872
2873 2011-03-09  Ian Lance Taylor  <iant@google.com>
2874
2875         * fileread.cc (File_read::clear_views): Don't delete the whole
2876         file view.
2877
2878 2011-03-08  Ian Lance Taylor  <iant@google.com>
2879
2880         PR gold/12525
2881         * fileread.cc: #include <climits>.
2882         (GOLD_IOV_MAX): Define.
2883         (File_read::read_multiple): Limit number of entries by iov_max.
2884         * fileread.h (class File_read): Always set max_readv_entries to
2885         128.
2886
2887 2011-03-07  Ian Lance Taylor  <iant@google.com>
2888
2889         PR gold/12525
2890         * options.h (class General_options): Add -dy and -dn.
2891
2892 2011-03-02  Cary Coutant  <ccoutant@google.com>
2893
2894         * testsuite/script_test_9.t: Add TLS segment.
2895
2896 2011-03-02  Simon Baldwin  <simonb@google.com>
2897
2898         * configure.ac: Add check for gnu_indirect_function support in
2899         the toolchain building binutils.
2900         * configure: Rebuild.
2901
2902 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2903
2904         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2905         plugin only symbols.
2906         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2907         in plugin files as not needed in the symbol table.
2908
2909 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2910
2911         * output.cc (Output_section::add_input_section): Delay fill
2912         generation for section ordering.
2913
2914 2011-02-09  Ian Lance Taylor  <iant@google.com>
2915
2916         PR gold/12316
2917         * object.h (class Sized_relobj): Remove clear_local_symbols.
2918         * reloc.cc (Sized_relobj::do_relocate): Don't call
2919         clear_local_symbols.
2920
2921 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2922
2923         * plugin.cc (is_visible_from_outside): Return true for symbols
2924         in the -u option.
2925
2926 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2927
2928         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2929         filename.
2930
2931 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2932
2933         * icf.h (is_section_foldable_candidate): Change type of parameter
2934         to std::string.
2935         * icf.cc (Icf::find_identical_sections): Change type of local variable
2936         section_name to be std::string.
2937         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2938
2939 2011-01-25  Ian Lance Taylor  <iant@google.com>
2940
2941         * script.cc (script_add_extern): Rewrite to use
2942         add_symbol_reference.
2943
2944 2011-01-25  Doug Kwan  <dougkwan@google.com>
2945
2946         * icf.cc (get_section_contents): Always lock section's object.
2947
2948 2011-01-24  Ian Lance Taylor  <iant@google.com>
2949
2950         * options.h (class General_options): Accept
2951         --no-detect-odr-violations.
2952
2953 2011-01-24  Ian Lance Taylor  <iant@google.com>
2954
2955         * version.cc (version_string): Bump to 1.11.
2956
2957 2011-01-24  Ian Lance Taylor  <iant@google.com>
2958
2959         * plugin.cc (class Plugin_rescan): Define new class.
2960         (Plugin_manager::claim_file): Set any_claimed_.
2961         (Plugin_manager::save_archive): New function.
2962         (Plugin_manager::save_input_group): New function.
2963         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2964         necessary.
2965         (Plugin_manager::new_undefined_symbol): New function.
2966         (Plugin_manager::rescan): New function.
2967         (Plugin_manager::rescannable_defines): New function.
2968         (Plugin_manager::add_input_file): Set any_added_.
2969         * plugin.h (class Plugin_manager): define new fields rescannable_,
2970         undefined_symbols_, any_claimed_, and any_added_.  Declare
2971         Plugin_rescan as friend.  Declare new functions.
2972         (Plugin_manager::Rescannable): Define type.
2973         (Plugin_manager::Rescannable_list): Define type.
2974         (Plugin_manager::Undefined_symbol_list): Define type.
2975         (Plugin_manager::Plugin_manager): Initialize new fields.
2976         * archive.cc (Archive::defines_symbol): New function.
2977         (Add_archive_symbols::run): Pass archive to plugins if any.
2978         * archive.h (class Archive): Declare defines_symbol.
2979         * readsyms.cc (Input_group::~Input_group): New function.
2980         (Finish_group::run): Pass input_group to plugins if any.
2981         * readsyms.h (class Input_group): Declare destructor.
2982         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2983         any.
2984
2985 2011-01-10  Ian Lance Taylor  <iant@google.com>
2986
2987         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2988         section as relro.
2989         (Layout::set_segment_offsets): Reset increase_relro before calling
2990         set_section_addresses a second time.
2991
2992 2011-01-04  Cary Coutant  <ccoutant@google.com>
2993
2994         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2995         sections before NOBITS sections.
2996
2997 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2998
2999         * version.cc (print_version): Update copyright to 2011.
3000
3001 2010-12-23  Cary Coutant  <ccoutant@google.com>
3002
3003         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3004         of OS to this->add.  Add OD parameter to second form of the function.
3005
3006 2010-12-20  Ian Lance Taylor  <iant@google.com>
3007
3008         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3009         second of two consecutive entries with same offset.
3010
3011 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3012
3013         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3014         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3015         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3016         to avoid unneeded links against $(LDADD).
3017         * testsuite/Makefile.in: Regenerate.
3018
3019 2010-12-15  Ian Lance Taylor  <iant@google.com>
3020
3021         PR gold/12324
3022         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3023         for R_X86_64_32 and R_X86_64_PC32.
3024         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3025         ver_matching_def_pic.o.
3026         (ver_matching_def_pic.o): New target.
3027
3028 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3029
3030         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3031         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3032         Move definition before File_read::View member definitions.
3033         (File_read::View::~View): Initialize and hold lock before
3034         updating current_mapped_bytes.
3035
3036 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3037
3038         * dwarf_reader.cc: Remove outdated comment.
3039         * gold-threads.cc: Fix typo in error message.
3040         * archive.cc: Fix typos in comments.
3041         * archive.h: Likewise.
3042         * arm-reloc-property.cc: Likewise.
3043         * arm-reloc-property.h: Likewise.
3044         * arm-reloc.def: Likewise.
3045         * arm.cc: Likewise.
3046         * attributes.h: Likewise.
3047         * cref.cc: Likewise.
3048         * ehframe.cc: Likewise.
3049         * fileread.h: Likewise.
3050         * gold.h: Likewise.
3051         * i386.cc: Likewise.
3052         * icf.cc: Likewise.
3053         * incremental.h: Likewise.
3054         * int_encoding.cc: Likewise.
3055         * layout.h: Likewise.
3056         * main.cc: Likewise.
3057         * merge.h: Likewise.
3058         * object.cc: Likewise.
3059         * object.h: Likewise.
3060         * options.cc: Likewise.
3061         * readsyms.cc: Likewise.
3062         * reduced_debug_output.cc: Likewise.
3063         * reloc.cc: Likewise.
3064         * script-sections.cc: Likewise.
3065         * sparc.cc: Likewise.
3066         * symtab.h: Likewise.
3067         * target-reloc.h: Likewise.
3068         * target.cc: Likewise.
3069         * target.h: Likewise.
3070         * timer.cc: Likewise.
3071         * timer.h: Likewise.
3072         * x86_64.cc: Likewise.
3073
3074 2010-12-09  Cary Coutant  <ccoutant@google.com>
3075
3076         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3077         stack.
3078         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3079         parameter; change all callers.
3080         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3081         * options.h (warn_execstack): New option.
3082
3083 2010-12-07  Doug Kwan  <dougkwan@google.com>
3084
3085         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3086         like function call relocations.
3087
3088 2010-12-07  Ian Lance Taylor  <iant@google.com>
3089
3090         * archive.cc (Archive::get_elf_object_for_member): Permit
3091         punconfigured to be NULL.
3092         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3093         (Archive::include_member): Pass NULL to get_elf_object_for_member
3094         if we searched for the archive and this is the first included
3095         object.
3096
3097 2010-12-01  Ian Lance Taylor  <iant@google.com>
3098
3099         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3100         track_relocs_type_ field.
3101         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3102         Set track_relocs_type_.
3103         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3104         contents when using RELA relocs.
3105         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3106         reloc_map_.
3107         * reloc.cc (Track_relocs::next_addend): New function.
3108         * reloc.h (class Track_relocs): Declare next_addend.
3109
3110 2010-12-01  Ian Lance Taylor  <iant@google.com>
3111
3112         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3113         virtual destructor.
3114
3115 2010-12-01  Ian Lance Taylor  <iant@google.com>
3116
3117         * README: Update compilers known to work and fail.
3118
3119 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3120
3121         * configure.in: For --enable-gold, handle value `default' instead of
3122         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3123         not the default.
3124         * configure: Regenerate.
3125
3126 2010-11-18  Doug Kwan  <dougkwan@google.com>
3127
3128         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3129         and right_alignment to be zero.  Store result alignment only if it is
3130         greater than existing alignment.
3131
3132 2010-11-16  Cary Coutant  <ccoutant@google.com>
3133
3134         PR gold/12220
3135         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3136         Check for ".zdebug_line".
3137
3138 2010-11-16  Doug Kwan  <dougkwan@google.com>
3139             Cary Coutant  <ccoutant@google.com>
3140
3141         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3142         by reference; adjust all callers.
3143         * output.cc (Output_segment::set_section_addresses): Adjust references
3144         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3145         list is empty.
3146         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3147         end at page boundary.
3148
3149 2010-11-16  Cary Coutant  <ccoutant@google.com>
3150
3151         PR gold/12220
3152         * layout.cc (Layout::choose_output_section): Transform names of
3153         compressed sections even when using a script with a SECTIONS clause.
3154         (Layout::output_section_name): Remove code to transform
3155         compressed debug section names.
3156         * output.cc (Output_section::add_input_section): Use uncompressed
3157         section size when tracking input sections.
3158
3159 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3160
3161         * symtab.h (Symbol::NON_PIC_REF): Remove.
3162         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3163         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3164         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3165         (Symbol::use_plt_offset): Take a flags argument and pass it
3166         directly to needs_dynamic_reloc.  Restrict check for undefined
3167         weak symbols to function calls.
3168         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3169         (Target_arm::Scan::global): Use it.
3170         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3171         (Target_arm::Relocate::relocate): Likewise.
3172         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3173         parameter with an r_type parameter.  Use get_reference_flags
3174         to get the flags.
3175         (Target_arm::Relocate::relocate): Update accordingly.
3176         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3177         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3178         (Target_i386::Scan::global): Likewise.
3179         (Target_i386::Relocate::relocate): Likewise.
3180         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3181         parameter with an r_type parameter.  Use get_reference_flags
3182         to get the flags.
3183         (Target_i386::Relocate::relocate): Update accordingly.
3184         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3185         (Target_powerpc::Scan::global): Use it.
3186         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3187         (Target_powerpc::Relocate::relocate): Likewise.
3188         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3189         (Target_sparc::Scan::global): Use it.
3190         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3191         (Target_sparc::Relocate::relocate): Likewise.
3192         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3193         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3194         (Target_x86_64::Scan::global): Likewise.
3195         (Target_x86_64::Relocate::relocate): Likewise.
3196
3197 2010-11-08  Doug Kwan  <dougkwan@google.com>
3198             Cary Coutant  <ccoutant@google.com>
3199
3200         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3201         (Arm_exidx_merge_section::section_contents_): New data member.
3202         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3203         (Arm_input_section::~Arm_input_section): De-allocate memory.
3204         (Arm_input_section::original_contents_): New data member.
3205         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3206         in parameters instead of calling Object::section_contents without
3207         locking.
3208         (Arm_output_section::group_section): New parameter TASK.  Pass it
3209         to callees that need locking objects.
3210         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3211         to lock EXIDX input sections.  Fix a formatting issue.  Call
3212         Arm_exidx_merged_section::build_contents to create merged section
3213         contents.
3214         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3215         to lock object of stub table owner.
3216         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3217         TEXT_SIZE to initialize data member TEXT_SIZE_.
3218         (Arm_exidx_input_section::addralign): Fix typo in comment.
3219         (Arm_exidx_input_section::text_size): New method.
3220         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3221         that require locking objects.  Lock objects before scanning for stubs
3222         and updating local symbols.
3223         (Arm_input_section<big_endian>::init): Copy contents of original
3224         input section.
3225         (Arm_input_section<big_endian>::do_write): Use saved contents of
3226         original input section instead of calling Object::section_contents
3227         without locking.
3228         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3229         size without calling Object::section_size().
3230         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3231         for size.  Allocate a buffer for merged EXIDX entries.
3232         (Arm_exidx_merged_section::build_contents): New method.
3233         (Arm_exidx_merged_section::do_write): Move merge section contents
3234         building code to Arm_exidx_merged_section::build_contetns.  Write
3235         out contetns in buffer instead of building it on the fly.
3236         (Arm_relobj::make_exidx_input_section): Also pass text section size
3237         to Arm_exidx_input_section constructor.
3238         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3239         (Arm_dynobj::do_read_symbols): Fix memory leak.
3240         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3241         * target.h: (class Task): Add forward declaration.
3242         (Target::relax): Add new parameter TASK and pass it to
3243         Target::do_relax().
3244         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3245
3246 2010-11-05  Cary Coutant  <ccoutant@google.com>
3247
3248         PR gold/10708
3249         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3250         object when reading from the file.
3251         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3252         second layout pass.
3253         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3254         when reading section contents.
3255         (get_section_contents): Likewise.
3256         (icf::find_identical_sections): Likewise.
3257         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3258         object when reading from the file.
3259         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3260         the object when doing deferred section layout.
3261
3262 2010-11-03  Nick Clifton  <nickc@redhat.com>
3263
3264         PR gold/12001
3265         * script.h (class Symbol_assignment: name): New member.  Returns
3266         the name of the symbol.
3267         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3268         Returns true if the given symbol name is on the list of
3269         assignments wating to be processed.
3270         * archive.cc (should_incldue_member): If the symbol is undefined,
3271         check to see if it is on the list of symbols pending assignment.
3272
3273 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3274
3275         * script-sections.cc (Script_sections::find_memory_region): Check
3276         for a NULL output section pointer.
3277
3278 2010-10-29  Doug Kwan  <dougkwan@google.com>
3279
3280         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3281         Output_section::add_relaxed_input_section.
3282         * output.cc (Output_section::add_relaxed_input_section): Add new
3283         arguments LAYOUT and NAME.  Set section order index.
3284         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3285         Copy section order index.
3286         * output.h (Output_section::add_relaxed_input_section): Add new
3287         arguments LAYOUT and NAME.
3288
3289 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3290
3291         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3292         NATIVE_OR_CROSS_LINKER.
3293         * testsuite/Makefile.in: Regenerate.
3294
3295 2010-10-20  Doug Kwan  <dougkwan@google.com>
3296
3297         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3298         without SHF_LINK_ORDER flags.
3299         * layout.cc (Layout::choose_output_section): Do not filter
3300         SHF_LINK_ORDER flag in a relocatable link.
3301
3302 2010-10-17  Cary Coutant  <ccoutant@google.com>
3303
3304         * output.h (Output_segment::set_section_addresses): Change function
3305         signature.  Update all callers.
3306         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3307         sections.
3308         (Output_segment::set_section_addresses): Align after last TLS
3309         section.  Add padding before last relro section instead of after.
3310
3311 2010-10-17  Doug Kwan  <dougkwan@google.com>
3312
3313         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3314         GOT output section to be writable.
3315
3316 2010-10-14  Cary Coutant  <ccoutant@google.com>
3317
3318         * debug.h (DEBUG_INCREMENTAL): New flag.
3319         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3320         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3321         mode.
3322         * incremental.cc (report_command_line): Ignore all forms of
3323         --incremental.
3324         * layout.cc (Layout::Layout): Check parameters for incremental link
3325         mode.
3326         * options.cc (General_options::parse_incremental): New function.
3327         (General_options::parse_no_incremental): New function.
3328         (General_options::parse_incremental_full): New function.
3329         (General_options::parse_incremental_update): New function.
3330         (General_options::incremental_mode_): New data member.
3331         (General_options::finalize): Check incremental_mode_.
3332         * options.h (General_options): Update help text for --incremental.
3333         Add --no-incremental, --incremental-full, --incremental-update.
3334         (General_options::Incremental_mode): New enum type.
3335         (General_options::incremental_mode): New function.
3336         (General_options::incremental_mode_): New data member.
3337         * parameters.cc (Parameters::incremental_mode_): New data member.
3338         (Parameters::set_options): Set incremental_mode_.
3339         (Parameters::set_incremental_full): New function.
3340         (Parameters::incremental): New function.
3341         (Parameters::incremental_update): New function.
3342         (set_parameters_incremental_full): New function.
3343         * parameters.h (Parameters::set_incremental_full): New function.
3344         (Parameters::incremental): New function.
3345         (Parameters::incremental_update): New function.
3346         (Parameters::incremental_mode_): New data member.
3347         (set_parameters_incremental_full): New function.
3348         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3349         incremental link mode.
3350         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3351         (Sized_relobj::do_relocate_sections): Likewise.
3352         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3353         option.
3354         * testsuite/Makefile.in: Regenerate.
3355         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3356
3357 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3358
3359         * script-sections.h (class Script_sections): Make
3360         Sections_elements typedef public.
3361         * script-sections.cc (class Sort_output_sections): Add elements_
3362         field.  Add constructor which sets it; change all callers.
3363         (Sort_output_sections::is_before): New function.
3364         (Sort_output_sections::operator()): Call is_before.
3365         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3366         conditional.
3367         * testsuite/script_test_10.sh: New test. Test script section
3368         order.
3369         * testsuite/script_test_10.t: Likewise.
3370         * testsuite/script_test_10.s: Likewise.
3371         * testsuite/Makefile.am: Wrap the cross linker tests and the
3372         common tests into NATIVE_OR_CROSS_LINKER.
3373         (check_SCRIPTS): Add script_test_10.sh.
3374         (check_DATA): Add script_test_10.stdout.
3375         (script_test_10.o, script_test_10): New targets.
3376         (script_test_10.stdout): New target.
3377         * configure, testsuite/Makefile.in: Regenerate.
3378
3379 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3380
3381         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3382         error for the deprecated relocations.
3383         (Target_arm::Scan::global): Likewise.
3384         (Target_arm::Relocate::relocate): Likewise.
3385
3386 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3387
3388         * fileread.cc (Input_file::find_file): Initialize *found_name
3389         and *namep when using the fallback search for case 4.
3390
3391 2010-10-11  Cary Coutant  <ccoutant@google.com>
3392
3393         * options.h (class General_options): Redefine -z lazy as an alias for
3394         the negation of -z now.
3395
3396 2010-10-11  Ian Lance Taylor  <iant@google.com>
3397
3398         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3399         binding.
3400
3401 2010-10-06  Nick Clifton  <nickc@redhat.com>
3402
3403         * script-sections.cc(class Memory_region): Remove
3404         current_lma_offset_ field.  Rename current_vma_offset_ to
3405         current_offset_.  Add last_section_ field.
3406         (Memory_region::get_current_vma_address): Rename to
3407         get_current_address.
3408         (Memory_region::get_current_lma_address): Delete.
3409         (Memory_region::increment_vma_offset): Rename to
3410         increment_offset.
3411         (Memory_region::increment_lma_offset): Delete.
3412         (Memory_region::attributes_compatible): New method.  Returns
3413         true if the provided section is compatible with the region.
3414         (Memory_region::get_last_section): New method.  Returns the last
3415         section to use the region.
3416         (Memory_region::set_last_section): New method.  Stores the last
3417         section to use the region.
3418         (Script_sections::block_in_region): New method.  Returns true if
3419         a block of memory is contained within a region.
3420         (Script_sections::find_memory_region): New method.  Locates a
3421         memory region to be used to set a VMA or LMA address.
3422         (Output_section_definition::set_section_addresses): Add code to
3423         check for addresses set by memory regions.
3424         (Output_segment::set_section_addresses): Remove memory region
3425         walking code.
3426         (Script_sections::create_segment): Add a warning if a header
3427         segment is created outside of any region.
3428         * script-sections.h (class Script_sections): Add prototypes for
3429         find_memory_region and block_in_region methods.
3430         * testsuite/memory_test.s: Use .long instead of .word.
3431         * testsuite/memory_test.t: Add some more output sections.
3432         * testsuite/memory_test.sh: Update expected output.
3433
3434 2010-10-02  Doug Kwan  <dougkwan@google.com>
3435
3436         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3437         defintion to symtab.h
3438         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3439         declaration to defintion.
3440
3441 2010-10-01  Nick Clifton  <nickc@redhat.com>
3442
3443         * expression.cc (eval): Replace dummy argument with NULL.
3444         (eval_maybe_dot): Check for a NULL result section pointer.
3445         (Symbol_expression::value): Likewise.
3446         (Dot_expression::value): Likewise.
3447         (BINARY_EXPRESSION): Likewise.
3448         (Max_expression::value): Likewise.
3449         (Min_expression::value): Likewise.
3450         (Absolute_expression::value): Likewise.
3451         (Addr_expression::value_from_output_section): Likewise.
3452         (Loaddddr_expression::value_from_output_section): Likewise.
3453         (Segment_start_expression::value): Likewise.
3454         * script-sections.cc
3455         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3456         argument with NULL.
3457         (Sections_elememt_dot_assignment::set_section_addresses):
3458         Likewise.
3459         (Output_data_expression::do_write_to_buffer): Likewise.
3460         (Output_section_definition::finalize_symbols): Likewise.
3461         (Output_section_definition::set_section_addresses): Likewise.
3462
3463 2010-09-30  Doug Kwan  <dougkwan@google.com>
3464
3465         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3466
3467 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3468
3469         * target.h (Target::can_icf_inline_merge_sections): New virtual
3470         function.
3471         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3472         virtual function.
3473         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3474         virtual function.
3475         * icf.cc (get_section_contents): Inline merge sections only when
3476         target allows it.
3477
3478 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3479
3480         * configure: Regenerate.
3481
3482 2010-09-17  Ian Lance Taylor  <iant@google.com>
3483
3484         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3485         * testsuite/Makefile.am (memory_test.o): New target.
3486         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3487         memory_test.t.
3488         * testsuite/Makefile.in: Rebuild.
3489
3490 2010-09-17  Doug Kwan  <dougkwan@google.com>
3491
3492         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3493         defintion if relocation uses GOT entries of the symbol.
3494         * testsuite/icf_safe_test.sh: Fix test.
3495         * testsuite/icf_safe_so_test.sh: Fix test.
3496
3497 2010-09-16  Cary Coutant  <ccoutant@google.com>
3498
3499         * script_sections.cc (class Memory_region): Remove "NULL" from
3500         vector initializations.
3501
3502 2010-09-15  Cary Coutant  <ccoutant@google.com>
3503
3504         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3505         Resolve forwarding symbols.
3506
3507 2010-09-15  Doug Kwan  <dougkwan@google.com>
3508
3509         * gold/testsuite/script_test_3.t: Add ARM special sections.
3510         * gold/testsuite/script_test_4.t: Same.
3511         * gold/testsuite/script_test_5.t: Same.
3512         * gold/testsuite/script_test_6.t: Same.
3513         * gold/testsuite/script_test_7.t: Same.
3514         * gold/testsuite/script_test_7.t: Same.
3515         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3516
3517 2010-09-14  Cary Coutant  <ccoutant@google.com>
3518
3519         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3520         (Target_x86_64::Relocate::relocate_tls): Replace check for
3521         saw_tls_block_reloc_ with test for executable section.
3522
3523 2010-09-12  Cary Coutant  <ccoutant@google.com>
3524
3525         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3526         position-independent executables to shared libraries need dynamic
3527         relocations.
3528         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3529         position-independent executables.
3530         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3531         * testsuite/Makefile.in: Regenerate.
3532
3533 2010-09-10  Nick Clifton  <nickc@redhat.com>
3534
3535         PR gold/11997
3536         * testsuite/memory_test.t: Discard any sections that are not
3537         needed.
3538
3539 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3540
3541         PR gold/11996
3542         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3543         "This::" to work around a bug in gcc 4.2.
3544
3545         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3546
3547 2010-09-09  Rafael Espindola  <espindola@google.com>
3548
3549         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3550         sections with different PF_X flags in the same segment.
3551         (Layout::find_first_load_seg): Search all segments to find the first
3552         one.
3553         * options.h (rosegment): New.
3554
3555 2010-09-08  Rafael Espindola  <espindola@google.com>
3556
3557         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3558
3559 2010-09-08  Doug Kwan  <dougkwan@google.com>
3560
3561         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3562         (Arm_relobj::do_relocate_sections): Add new parameter for output
3563         file to match the parent.
3564         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3565         of local symbols instead of input values.  Update code to track
3566         changes in gold::relocate_section.
3567         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3568         (Sized_relobj::compute_final_local_value_internal): New methods.
3569         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3570         body into private version of Sized_relobj::compute_final_local_value.
3571         Call the inline method.
3572         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3573         merged symbol value if there is one.
3574         (Symbol_value::has_output_value): New method defintiion.
3575         (Sized_relobj::Compute_final_local_value_status): New enum type.
3576         (Sized_relobj::compute_final_local_value): New methods.
3577         (Sized_relobj::compute_final_local_value_internal): New methods.
3578         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3579         and arm_cortex_a8.sh.
3580         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3581         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3582         New tests.
3583         * Makefile.in: Regenerate.
3584         * testsuite/arm_bl_out_of_range.s: Update test.
3585         * testsuite/thumb_bl_out_of_range.s: Ditto.
3586         * testsuite/thumb_blx_out_of_range.s: Ditto.
3587         * testsuite/arm_branch_out_of_range.sh: New file.
3588         * testsuite/arm_cortex_a8.sh: Ditto.
3589         * testsuite/arm_cortex_a8_b.s: Ditto.
3590         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3591         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3592         * testsuite/arm_cortex_a8_bl.s: Ditto.
3593         * testsuite/arm_cortex_a8_blx.s: Ditto.
3594         * testsuite/arm_cortex_a8_local.s: Ditto.
3595         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3596         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3597
3598 2010-09-08  Rafael Espindola  <espindola@google.com>
3599
3600         * Makefile.am (memory_test.stdout): Run readelf with -W.
3601         * Makefile.in: Regenerate.
3602         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3603         64 bit output.
3604
3605 2010-09-08  Rafael Espindola  <espindola@google.com>
3606
3607         * script-sections.cc (Script_sections::add_memory_region): Convert
3608         field precision to int.
3609         * script.cc (script_set_section_region, script_set_section_region):
3610         Convert field precision to int.
3611
3612 2010-09-08  Rafael Espindola  <espindola@google.com>
3613
3614         * arm.cc (do_finalize_sections): Create the __exidx_start and
3615         __exdix_end symbols even when the section is missing.
3616
3617 2010-09-08  Nick Clifton  <nickc@redhat.com>
3618
3619         * README: Remove claim that MEMORY is not supported.
3620         * expression.cc (script_exp_function_origin)
3621         (script_exp_function_length): Move from here to ...
3622         * script.cc: ... here.
3623         (script_set_section_region, script_add_memory)
3624         (script_parse_memory_attr, script_include_directive): New
3625         functions.
3626         * script-sections.cc
3627         (class Memory_region): New class.
3628         (class Output_section_definition): Add set_memory_region,
3629         set_section_vma, set_section_lma and get_section_name methods.
3630         (class Script_Sections): Add add_memory_region,
3631         find_memory_region, find_memory_region_origin,
3632         find_memory_region_length and set_memory_region methods.
3633         Have set_section_addresses method walk the list of set memory
3634         regions.
3635         Extend the print methos to display memory regions.
3636         * script-sections.h: Add prototypes for new methods.
3637         Add enum for MEMORY region attributes.
3638         * yyscript.y: Add support for parsing MEMORY regions.
3639         * script-c.h: Add prototypes for new functions.
3640         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3641         * testsuite/Makefile.in: Regenerate.
3642         * testsuite/memory_test.sh: New script.
3643         * testsuite/memory_test.s: New assembler source file.
3644         * testsuite/memory_test.t: New linker script.
3645
3646 2010-08-27  Doug Kwan  <dougkwan@google.com>
3647
3648         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3649         reference override an existing dynamic weak reference.
3650         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3651         * testsuite/Makefile.in: Regenerate.
3652         * testsuite/dyn_weak_ref.sh: New file.
3653         * testsuite/dyn_weak_ref_1.c: Ditto.
3654         * testsuite/dyn_weak_ref_2.c: Ditto.
3655
3656 2010-08-27  Ian Lance Taylor  <iant@google.com>
3657
3658         * incremental.h (class Incremental_input_entry): Add virtual
3659         destructor.
3660
3661 2010-08-27  Ian Lance Taylor  <iant@google.com>
3662
3663         * testsuite/start_lib_test_3.c: Mark t3 as used.
3664
3665 2010-08-27  Nick Clifton  <nickc@redhat.com>
3666
3667         * options.cc (version_script): Fix small typo in previous
3668         whitespace tidyup.
3669
3670 2010-08-25  Nick Clifton  <nickc@redhat.com>
3671
3672         * archive.cc: Formatting fixes: Remove whitespace between
3673         typename and following asterisk.  Remove whitespace between
3674         function name and opening parenthesis.
3675         * archive.h: Likewise.
3676         * arm.cc: Likewise.
3677         * attributes.cc: Likewise.
3678         * attributes.h: Likewise.
3679         * common.cc: Likewise.
3680         * copy-relocs.cc: Likewise.
3681         * dirsearch.h: Likewise.
3682         * dynobj.cc: Likewise.
3683         * ehframe.cc: Likewise.
3684         * ehframe.h: Likewise.
3685         * expression.cc: Likewise.
3686         * fileread.cc: Likewise.
3687         * fileread.h: Likewise.
3688         * gc.h: Likewise.
3689         * gold-threads.cc: Likewise.
3690         * gold.cc: Likewise.
3691         * i386.cc: Likewise.
3692         * icf.h: Likewise.
3693         * incremental-dump.cc: Likewise.
3694         * incremental.cc: Likewise.
3695         * layout.cc: Likewise.
3696         * layout.h: Likewise.
3697         * main.cc: Likewise.
3698         * merge.cc: Likewise.
3699         * merge.h: Likewise.
3700         * object.cc: Likewise.
3701         * object.h: Likewise.
3702         * options.cc: Likewise.
3703         * options.h: Likewise.
3704         * output.cc: Likewise.
3705         * output.h: Likewise.
3706         * plugin.cc: Likewise.
3707         * plugin.h: Likewise.
3708         * powerpc.cc: Likewise.
3709         * reloc.cc: Likewise.
3710         * script-c.h: Likewise.
3711         * script-sections.cc: Likewise.
3712         * script.cc: Likewise.
3713         * stringpool.cc: Likewise.
3714         * symtab.cc: Likewise.
3715         * symtab.h: Likewise.
3716         * target.cc: Likewise.
3717         * timer.cc: Likewise.
3718         * timer.h: Likewise.
3719         * version.cc: Likewise.
3720         * x86_64.cc: Likewise.
3721
3722 2010-08-24  Nick Clifton  <nickc@redhat.com>
3723
3724         PR 11899
3725         * layout.cc (segment_precedes): Sort segments by their physical
3726         addresses, if they have been set.
3727
3728 2010-08-23  Cary Coutant  <ccoutant@google.com>
3729
3730         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3731         symbols data.
3732         (Lib_group::include_member): Unlock object after deleting its
3733         symbols data.
3734         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3735         the bug fixed here.
3736
3737 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3738             Cary Coutant  <ccoutant@google.com>
3739
3740         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3741         constructor, and set_blocker.
3742         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3743         readsyms_blocker_.
3744         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3745         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3746         * testsuite/Makefile.am (start_lib_test): New test case.
3747         * testsuite/Makefile.in: Regenerate.
3748         * testsuite/start_lib_test_main.c: New file.
3749         * testsuite/start_lib_test_1.c: New file.
3750         * testsuite/start_lib_test_2.c: New file.
3751         * testsuite/start_lib_test_3.c: New file.
3752
3753 2010-08-19  Ian Lance Taylor  <iant@google.com>
3754
3755         * Makefile.in: Rebuild with automake 1.11.1.
3756         * aclocal.m4: Likewise.
3757         * testsuite/Makefile.in: Likewise.
3758
3759 2010-08-19  Ian Lance Taylor  <iant@google.com>
3760
3761         PR 10893
3762         * i386.cc (class Output_data_plt_i386): Update declarations.
3763         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3764         local_ifuncs_ fields.
3765         (Target_i386::do_plt_section_for_global): New function.
3766         (Target_i386::do_plt_section_for_local): New function.
3767         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3768         parameter; change all callers.  Initialize global_ifuncs_ and
3769         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3770         __rel_iplt_end.
3771         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3772         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3773         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3774         symbols.
3775         (Target_i386::make_plt_section): New function, broken out of
3776         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3777         (Target_i386::make_plt_entry): Call make_plt_section.
3778         (Target_i386::make_local_ifunc_plt_entry): New function.
3779         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3780         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3781         R_386_IRELATIVE to switch.
3782         (Target_i386::Scan::global): Likewise.
3783         (Target_i386::Relocate::relocate): Likewise.
3784         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3785         switch.
3786         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3787         (Target_x86_64::do_plt_section_for_global): New function.
3788         (Target_x86_64::do_plt_section_for_local): New function.
3789         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3790         parameter; change all callers.  If doing a static link define
3791         __rela_iplt_start and __rela_iplt_end.
3792         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3793         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3794         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3795         to point to .plt.
3796         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3797         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3798         switch.
3799         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3800         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3801         R_X86_64_IRELATIVE to switch.
3802         (Target_x86_64::Scan::global): Likewise.
3803         (Target_x86_64::Relocate::relocate): Likewise.
3804         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3805         switch.
3806         * target.h (class Target): Add plt_section_for_global and
3807         plt_section_for_local functions.  Add do_plt_section_for_global
3808         and do_plt_section_for_local virtual functions.
3809         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3810         clarifying comments.
3811         (Symbol::use_plt_offset): Handle IFUNC symbol.
3812         * object.cc (Sized_relobj::Sized_relobj): Initialize
3813         local_plt_offsets_.
3814         (Sized_relobj::local_has_plt_offset): New function.
3815         (Sized_relobj::local_plt_offset): New function.
3816         (Sized_relobj::set_local_plt_offset): New function.
3817         (Sized_relobj::do_count): Handle IFUNC symbol.
3818         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3819         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3820         is_ifunc_symbol functions.
3821         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3822         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3823         local_plt_offsets_ field.
3824         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3825         * output.h (class Output_section_data): Add non-const
3826         output_section function.
3827         (class Output_data_got): Update declarations.
3828         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3829         Add use_plt_offset parameter to global and local constructors.
3830         Change all callers.  Change local_sym_index_ field to 31 bits.
3831         Change GSYM_CODE and CONSTANT_CODE accordingly.
3832         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3833         doing a static link don't set sh_link field.
3834         (Output_data_got::Got_entry::write): Use PLT offset if
3835         appropriate.
3836         (Output_data_got::add_global_plt): New function.
3837         (Output_data_got::add_local_plt): New function.
3838         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3839         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3840         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3841         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3842         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3843         IFUNC conditional.
3844         * testsuite/ifunc-sel.h: New file.
3845         * testsuite/ifuncmain1.c: New file.
3846         * testsuite/ifuncmain1vis.c: New file.
3847         * testsuite/ifuncmod1.c: New file.
3848         * testsuite/ifuncdep2.c: New file.
3849         * testsuite/ifuncmain2.c: New file.
3850         * testsuite/ifuncmain3.c: New file.
3851         * testsuite/ifuncmod3.c: New file.
3852         * testsuite/ifuncmain4.c: New file.
3853         * testsuite/ifuncmain5.c: New file.
3854         * testsuite/ifuncmod5.c: New file.
3855         * testsuite/ifuncmain6pie.c: New file.
3856         * testsuite/ifuncmod6.c: New file.
3857         * testsuite/ifuncmain7.c: New file.
3858         * configure, testsuite/Makefile.in: Rebuild.
3859
3860 2010-08-18  Ian Lance Taylor  <iant@google.com>
3861
3862         * incremental.cc
3863         (Output_section_incremental_inputs::write_input_files): Add cast
3864         to avoid signed/unsigned comparison warning.
3865         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3866
3867 2010-08-12  Cary Coutant  <ccoutant@google.com>
3868
3869         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3870
3871 2010-08-13  Ian Lance Taylor  <iant@google.com>
3872
3873         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3874
3875 2010-08-12  Cary Coutant  <ccoutant@google.com>
3876             Doug Kwan  <dougkwan@google.com>
3877
3878         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3879         defintion overrides non-weak undef, remember that the original undef
3880         is not weak.
3881         * symtab.cc (Symbol_table::sized_write_global): For undef without
3882         an original weak binding, set binding to global in output.
3883         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3884         * testsuite/Makefile.in: Regenerate.
3885         * testsuite/strong_ref_weak_def.sh: New file.
3886         * testsuite/strong_ref_weak_def_1.c: Ditto.
3887         * testsuite/strong_ref_weak_def_2.c: Ditto.
3888
3889 2010-08-12  Cary Coutant  <ccoutant@google.com>
3890
3891         * testsuite/incremental_test.sh: Rewrite.
3892         * testsuite/incremental_test_1.c: Rewrite.
3893         * testsuite/incremental_test_2.c: Rewrite.
3894
3895 2010-08-12  Cary Coutant  <ccoutant@google.com>
3896
3897         * arm.cc (Target_arm::got_size): Add const.
3898         (Target_arm::got_entry_count): New function.
3899         (Target_arm::plt_entry_count): New function.
3900         (Target_arm::first_plt_entry_offset): New function.
3901         (Target_arm::plt_entry_size): New function.
3902         (Output_data_plt_arm::entry_count): New function.
3903         (Output_data_plt_arm::first_plt_entry_offset): New function.
3904         (Output_data_plt_arm::get_plt_entry_size): New function.
3905         * i386.cc (Target_i386::got_size): Add const.
3906         (Target_i386::got_entry_count): New function.
3907         (Target_i386::plt_entry_count): New function.
3908         (Target_i386::first_plt_entry_offset): New function.
3909         (Target_i386::plt_entry_size): New function.
3910         (Output_data_plt_i386::entry_count): New function.
3911         (Output_data_plt_i386::first_plt_entry_offset): New function.
3912         (Output_data_plt_i386::get_plt_entry_size): New function.
3913         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3914         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3915         * incremental.cc: Include target.h.
3916         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3917         parameter.  Adjust all callers.  Find incremental_got_plt section.
3918         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3919         section.
3920         (Output_section_incremental_inputs::set_final_data_size): Calculate
3921         size of incremental_got_plt section.
3922         (Output_section_incremental_inputs::do_write): Write the
3923         incremental_got_plt section.
3924         (Got_plt_view_info): New struct.
3925         (Local_got_offset_visitor): New class.
3926         (Global_got_offset_visitor): New class.
3927         (Global_symbol_visitor_got_plt): New class.
3928         (Output_section_incremental_inputs::write_got_plt): New function.
3929         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3930         Add parameter.  Adjust all callers.
3931         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3932         (Incremental_inputs::got_plt_section): New function.
3933         (Incremental_inputs::got_plt_section_): New data member.
3934         (Incremental_got_plt_reader): New class.
3935         * layout.cc (Layout::create_incremental_info_sections): Add the
3936         incremental_got_plt section.
3937         * object.h (Got_offset_list::get_list): New function.
3938         (Got offset_list::for_all_got_offsets): New function.
3939         (Sized_relobj::local_got_offset_list): New function.
3940         * powerpc.cc (Target_powerpc::got_size): Add const.
3941         (Target_powerpc::got_entry_count): New function.
3942         (Target_powerpc::plt_entry_count): New function.
3943         (Target_powerpc::first_plt_entry_offset): New function.
3944         (Target_powerpc::plt_entry_size): New function.
3945         (Output_data_plt_powerpc::entry_count): New function.
3946         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3947         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3948         * sparc.cc (Target_sparc::got_size): Add const.
3949         (Target_sparc::got_entry_count): New function.
3950         (Target_sparc::plt_entry_count): New function.
3951         (Target_sparc::first_plt_entry_offset): New function.
3952         (Target_sparc::plt_entry_size): New function.
3953         (Output_data_plt_sparc::entry_count): New function.
3954         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3955         (Output_data_plt_sparc::get_plt_entry_size): New function.
3956         * symtab.h (Symbol::got_offset_list): New function.
3957         (Symbol_table::for_all_symbols): New function.
3958         * target.h (Sized_target::got_entry_count): New function.
3959         (Sized_target::plt_entry_count): New function.
3960         (Sized_target::plt_entry_size): New function.
3961         * x86_64.cc (Target_x86_64::got_size): Add const.
3962         (Target_x86_64::got_entry_count): New function.
3963         (Target_x86_64::plt_entry_count): New function.
3964         (Target_x86_64::first_plt_entry_offset): New function.
3965         (Target_x86_64::plt_entry_size): New function.
3966         (Output_data_plt_x86_64::entry_count): New function.
3967         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3968         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3969
3970 2010-08-12  Cary Coutant  <ccoutant@google.com>
3971
3972         * archive.cc: Include incremental.h.
3973         (Archive::Archive): Initialize incremental_info_.
3974         (Archive::include_member): Record archive members in incremental info.
3975         (Add_archive_symbols::run): Record begin and end of an archive in
3976         incremental info.
3977         (Lib_group::include_member): Record objects in incremental info.
3978         * archive.h (Incremental_archive_entry): Forward declaration.
3979         (Archive::set_incremental_info): New member function.
3980         (Archive::incremental_info): New member function.
3981         (Archive::Unused_symbol_iterator): New class.
3982         (Archive::unused_symbols_begin): New member function.
3983         (Archive::unused_symbols_end): New member function.
3984         (Archive::incremental_info_): New data member.
3985         * incremental-dump.cc (find_input_containing_global): New function.
3986         (dump_incremental_inputs): Dump new incremental info sections.
3987         * incremental.cc: Include symtab.h.
3988         (Output_section_incremental_inputs): New class.
3989         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3990         new incremental info sections.
3991         (Sized_incremental_binary::do_check_inputs): Likewise.
3992         (Incremental_inputs::report_archive): Remove.
3993         (Incremental_inputs::report_archive_begin): New function.
3994         (Incremental_inputs::report_archive_end): New function.
3995         (Incremental_inputs::report_object): New function.
3996         (Incremental_inputs::finalize_inputs): Remove.
3997         (Incremental_inputs::report_input_section): New function.
3998         (Incremental_inputs::report_script): Rewrite.
3999         (Incremental_inputs::finalize): Do nothing but finalize string table.
4000         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4001         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4002         (Incremental_inputs::create_data_sections): New function.
4003         (Incremental_inputs::relocs_entsize): New function.
4004         (Output_section_incremental_inputs::set_final_data_size): New function.
4005         (Output_section_incremental_inputs::do_write): New function.
4006         (Output_section_incremental_inputs::write_header): New function.
4007         (Output_section_incremental_inputs::write_input_files): New function.
4008         (Output_section_incremental_inputs::write_info_blocks): New function.
4009         (Output_section_incremental_inputs::write_symtab): New function.
4010         * incremental.h (Incremental_script_entry): Forward declaration.
4011         (Incremental_object_entry): Forward declaration.
4012         (Incremental_archive_entry): Forward declaration.
4013         (Incremental_inputs): Forward declaration.
4014         (Incremental_inputs_header_data): Remove.
4015         (Incremental_inputs_header): Remove.
4016         (Incremental_inputs_header_write): Remove.
4017         (Incremental_inputs_entry_data): Remove.
4018         (Incremental_inputs_entry): Remove.
4019         (Incremental_inputs_entry_write): Remove.
4020         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4021         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4022         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4023         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4024         Likewise.
4025         (Incremental_input_entry): New class.
4026         (Incremental_script_entry): New class.
4027         (Incremental_object_entry): New class.
4028         (Incremental_archive_entry): New class.
4029         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4030         (Incremental_inputs::report_inputs): Remove.
4031         (Incremental_inputs::report_archive): Remove.
4032         (Incremental_inputs::report_archive_begin): New function.
4033         (Incremental_inputs::report_archive_end): New function.
4034         (Incremental_inputs::report_object): Change prototype.
4035         (Incremental_inputs::report_input_section): New function.
4036         (Incremental_inputs::report_script): Change prototype.
4037         (Incremental_inputs::get_reloc_count): New function.
4038         (Incremental_inputs::set_reloc_count): New function.
4039         (Incremental_inputs::create_data_sections): New function.
4040         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4041         (Incremental_inputs::inputs_section): New function.
4042         (Incremental_inputs::symtab_section): New function.
4043         (Incremental_inputs::relocs_section): New function.
4044         (Incremental_inputs::get_stringpool): Add const.
4045         (Incremental_inputs::command_line): Add const.
4046         (Incremental_inputs::inputs): Remove.
4047         (Incremental_inputs::command_line_key): New function.
4048         (Incremental_inputs::input_file_count): New function.
4049         (Incremental_inputs::input_files): New function.
4050         (Incremental_inputs::relocs_entsize): New function.
4051         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4052         (Incremental_inputs::finalize_inputs): Remove.
4053         (Incremental_inputs::Input_info): Remove.
4054         (Incremental_inputs::lock_): Remove.
4055         (Incremental_inputs::inputs_): Change type.
4056         (Incremental_inputs::inputs_map_): Remove.
4057         (Incremental_inputs::current_object_entry_): New data member.
4058         (Incremental_inputs::inputs_section_): New data member.
4059         (Incremental_inputs::symtab_section_): New data member.
4060         (Incremental_inputs::relocs_section_): New data member.
4061         (Incremental_inputs::reloc_count_): New data member.
4062         (Incremental_inputs_reader): New class.
4063         (Incremental_symtab_reader): New class.
4064         (Incremental_relocs_reader): New class.
4065         * layout.cc (Layout::finalize): Move finalization of incremental info
4066         and creation of incremental info sections to follow finalization of
4067         symbol table.  Set offsets for postprocessing sections.
4068         (Layout::create_incremental_info_sections): Call
4069         Incremental_inputs::create_data_sections.  Add incremental symtab
4070         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4071         sections to layout after input sections.
4072         * layout.h (struct Timespec): Forward declaration.
4073         (Layout::incremental_inputs): Add const.
4074         (Layout::create_incremental_info_sections): Add parameter.
4075         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4076         * object.cc: Include incremental.h.
4077         (Relobj::finalize_incremental_relocs): New function.
4078         (Sized_relobj::do_layout): Record input sections in incremental info.
4079         * object.h (Object::output_section): New function.
4080         (Object::output_section_offset): Moved from Relobj.
4081         (Object::get_incremental_reloc_base): New function.
4082         (Object::get_incremental_reloc_count): New function.
4083         (Object::do_output_section): New function.
4084         (Object::do_output_section_offset): Moved from Relobj.
4085         (Object::do_get_incremental_reloc_base): New function.
4086         (Object::do_get_incremental_reloc_count): New function.
4087         (Object::Object): Initialize new data members.
4088         (Relobj::output_section): Renamed do_output_section and moved to
4089         protected.
4090         (Relobj::output_section_offset): Moved to Object.
4091         (Relobj::do_get_incremental_reloc_base): New function.
4092         (Relobj::do_get_incremental_reloc_count): New function.
4093         (Relobj::allocate_incremental_reloc_counts): New function.
4094         (Relobj::count_incremental_reloc): New function.
4095         (Relobj::finalize_incremental_relocs): New function.
4096         (Relobj::next_incremental_reloc_index): New function.
4097         (Relobj::reloc_counts_): New data member.
4098         (Relobj::reloc_bases_): New data member.
4099         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4100         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4101         (Sized_relobj::incremental_relocs_scan): New function.
4102         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4103         (Sized_relobj::incremental_relocs_write): New function.
4104         (Sized_relobj::incremental_relocs_write_reltype): New function.
4105         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4106         incremental link.
4107         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4108         archives and object files elsewhere.
4109         (Add_symbols::run): Report object files here.
4110         (Finish_group::run): Report end of archive at end of group.
4111         * reloc.cc: Include layout.h, incremental.h.
4112         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4113         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4114         (Sized_relobj::incremental_relocs_scan): New function.
4115         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4116         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4117         (Sized_relobj::incremental_relocs_write): New function.
4118         (Sized_relobj::incremental_relocs_write_reltype): New function.
4119         * script.cc (read_input_script): Rewrite test for incremental link.
4120         Change call to Incremental_inputs::report_script.
4121         * symtab.h (Symbol_table::first_global_index): New function.
4122         (Symbol_table::output_count): New function.
4123
4124 2010-08-12  Doug Kwan  <dougkwan@google.com>
4125
4126         * arm.cc (Target_arm::merge_object_attributes): Check command line
4127         options --no-wchar-size-warning and --no-enum-size-warning.
4128         * options.h (General_options): Add ld-compatible options
4129         --no-enum-size-warning and --no-wchar-size-warning.
4130
4131 2010-08-04  Ian Lance Taylor  <iant@google.com>
4132
4133         * x86_64.cc (Target_x86_64::Scan::local): Use
4134         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4135         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4136         (Target_x86_64::Scan::global): Likewise.
4137         (Target_x86_64::Relocate::relocate): Likewise.
4138         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4139         Likewise.
4140
4141 2010-08-03  Cary Coutant  <ccoutant@google.com>
4142
4143         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4144         to reserve space in merged_strings vector. Keep total input size
4145         for stats.
4146         (Output_merge_string::do_print_merge_stats): Print total input size.
4147         * merge.h (Output_merge_string): Add input_size_ field.
4148         * stringpool.cc (Stringpool_template::string_length): Move
4149         implementations out of Stringpool_template class and place in
4150         stringpool.h.
4151         * stringpool.h (string_length): Move out of Stringpool_template.
4152
4153 2010-08-03  Ian Lance Taylor  <iant@google.com>
4154
4155         PR 11712
4156         * layout.cc (relaxation_loop_body): If address of load segment is
4157         set, adjust address to include headers if possible.
4158
4159 2010-08-03  Ian Lance Taylor  <iant@google.com>
4160
4161         * version.cc (version_string): Bump to 1.10.
4162
4163 2010-08-03  Ian Lance Taylor  <iant@google.com>
4164
4165         PR 11805
4166         * layout.h (enum Output_section_order): Define.
4167         (class Layout): Update declarations.
4168         * layout.cc (Layout::get_output_section): Add order parameter.
4169         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4170         is_first_non_relro parameters.  Change all callers.
4171         (Layout::choose_output_section): Likewise.
4172         (Layout::add_output_section_data): Likewise.
4173         (Layout::make_output_section): Likewise.  Set order.
4174         (Layout::default_section_order): New function.
4175         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4176         * output.cc (Output_section::Output_section): Initialize order_.
4177         Don't initialize deleted fields.
4178         (Output_segment::Output_segment): Don't initialize deleted
4179         fields.
4180         (Output_segment::add_output_section_to_load): New function
4181         replacing add_output_section.  Change all callers to call this or
4182         add_output_section_to_nonload.
4183         (Output_segment::add_output_section_to_nonload): New function.
4184         (Output_segment::remove_output_section): Rewrite.
4185         (Output_segment::add_initial_output_data): Likewise.
4186         (Output_segment::has_any_data_sections): Likewise.
4187         (Output_segment::is_first_section_relro): Likewise.
4188         (Output_segment::maximum_alignment): Likewise.
4189         (Output_segment::has_dynamic_reloc): New function replacing
4190         dynamic_reloc_count.  Change all callers.
4191         (Output_segment::has_dynamic_reloc_list): New function replacing
4192         dynamic_reloc_count_list.  Change all callers.
4193         (Output_segment::set_section_addresses): Rewrite.
4194         (Output_segment::set_offset): Rewrite.
4195         (Output_segment::find_first_and_last_list): Remove.
4196         (Output_segment::set_tls_offsets): Rewrite.
4197         (Output_segment::first_section_load_address): Likewise.
4198         (Output_segment::output_section_count): Likewise.
4199         (Output_segment::section_with_lowest_load_address): Likewise.
4200         (Output_segment::write_section_headers): Likewise.
4201         (Output_segment::print_sections_to_map): Likewise.
4202         * output.h (class Output_data): Remove dynamic_reloc_count_
4203         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4204         (Output_data::add_dynamic_reloc): Rewrite.
4205         (Output_data::has_dynamic_reloc): New function.
4206         (Output_data::dynamic_reloc_count): Remove.
4207         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4208         is_last_relro_, is_first_non_relro_, is_interp_,
4209         is_dynamic_linker_section_ fields.  Add order and set_order
4210         functions.  Remove is_relro_local, set_is_relro_local,
4211         is_last_relro, set_is_last_relro, is_first_non_relro,
4212         set_is_first_non_relro functions, is_interp, set_is_interp,
4213         is_dynamic_linker_section, and set_is_dynamic_linker_section
4214         functions.
4215         (class Output_segment): Change Output_data_list from std::list to
4216         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4217         output_bss_ fields.  Update declarations.
4218
4219 2010-08-02  Ian Lance Taylor  <iant@google.com>
4220
4221         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4222         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4223         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4224
4225 2010-08-02  Ian Lance Taylor  <iant@google.com>
4226
4227         PR 11855
4228         * script.cc (Script_options::Script_options): Initialize
4229         symbol_definitions_ and symbol_references_.
4230         (Script_options::add_symbol_assignment): Update
4231         symbol_definitions_ and symbol_references_.
4232         (Script_options::add_symbol_reference): New function.
4233         (script_symbol): New function.
4234         * script.h (class Script_options): Add symbol_definitions_ and
4235         symbol_references_ fields.
4236         (Script_options::referenced_const_iterator): New type.
4237         (Script_options::referenced_begin): New function.
4238         (Script_options::referenced_end): New function.
4239         (Script_options::is_referenced): New function.
4240         (Script_options::any_unreferenced): New function.
4241         * script-c.h (script_symbol): Declare.
4242         * yyscript.y (exp): Call script_symbol.
4243         * symtab.cc: Include "script.h".
4244         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4245         Change all callers.  Check symbols referenced by scripts.
4246         (Symbol_table::add_undefined_symbols_from_command_line): Add
4247         layout parameter.  Change all callers.
4248         (Symbol_table::do_add_undefined_symbols_from_command_line):
4249         Likewise.  Break out loop body.  Check symbols referenced by
4250         scripts.
4251         (Symbol_table::add_undefined_symbol_from_command_line): New
4252         function broken out of
4253         do_add_undefined_symbols_from_command_line.
4254         * symtab.h (class Symbol_table): Update declarations.
4255         * archive.cc: Include "layout.h".
4256         (Archive::should_include_member): Add layout parameter.  Change
4257         all callers.  Check for symbol mentioned in expression.
4258         * archive.h (class Archive): Update declaration.
4259         * object.cc (Sized_relobj::do_should_include_member): Add layout
4260         parameter.
4261         * object.h (Object::should_include_member): Add layout parameter.
4262         Change all callers.
4263         (Object::do_should_include_member): Add layout parameter.
4264         (class Sized_relobj): Update declaration.
4265         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4266         parameter.
4267         * dynobj.h (class Sized_dynobj): Update declaration.
4268         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4269         layout parameter.
4270         * plugin.h (class Sized_pluginobj): Update declaration.
4271
4272 2010-08-02  Ian Lance Taylor  <iant@google.com>
4273
4274         PR 11866
4275         * output.cc (Output_segment::set_offset): Search for the first and
4276         last sections rather than assuming that the list is in order.
4277         (Output_segment::find_first_and_last_list): New function.
4278         * output.h (class Output_segment): Update declarations.
4279         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4280         (relro_strip_test_SOURCES): New variable.
4281         (relro_strip_test_DEPENDENCIES): New variable.
4282         (relro_strip_test_LDFLAGS): New variable.
4283         (relro_strip_test_LDADD): New variable.
4284         (relro_strip_test.so): New target.
4285
4286 2010-08-02  Ian Lance Taylor  <iant@google.com>
4287
4288         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4289         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4290         (Target_i386::got_tlsdesc_section): New function.
4291         (Target_i386::got_section): Create space for GOT entries for
4292         TLSDESC relocations.
4293         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4294         R_386_TLS_GOTDESC.
4295         (Target_i386::Scan::global): Likewise.
4296         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4297         using TLSDESC GOT.
4298         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4299         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4300         (Target_x86_64::got_tlsdesc_section): New function.
4301         (Target_x86_64::got_section): Create space for GOT entries for
4302         TLSDESC relocations.
4303         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4304         R_386_TLS_GOTDESC.
4305         (Target_x86_64::Scan::global): Likewise.
4306         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4307         using TLSDESC GOT.
4308
4309 2010-08-02  Ian Lance Taylor  <iant@google.com>
4310
4311         * testsuite/final_layout.sh: Use dc to convert from hex to
4312         decimal.
4313
4314 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4315
4316         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4317         paramter to the call to gold::gc_process_relocs.
4318         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4319         paramter to the call to gold::gc_process_relocs.
4320         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4321         parameter to the call to gold::gc_process_relocs.
4322         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4323         template parameter to the call to gold::gc_process_relocs.
4324         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4325         paramter to the call to gold::gc_process_relocs.
4326         * gc.h (get_embedded_addend_size): New function.
4327         (gc_process_relocs): Save the size of the reloc for use by ICF.
4328         * icf.cc (get_section_contents): Get the addend from the text section
4329         for SHT_REL relocation sections.
4330         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4331         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4332         * int_encoding.h (read_from_pointer): New overloaded function.
4333         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4334         * testsuite/icf_sht_rel_addend_test.sh: New file.
4335         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4336         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4337
4338 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4339
4340         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4341         * Makefile.in: Regenerate.
4342         * testsuite/Makefile.in: Regenerate.
4343
4344 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4345
4346         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4347         * gold/testsuite/debug_msg.cc: Likewise.
4348         * gold/testsuite/odr_violation1.cc
4349         * gold/testsuite/odr_violation2.cc
4350
4351 2010-07-21  Cary Coutant  <ccoutant@google.com>
4352
4353         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4354         string, and length fields.
4355         (Output_merge_string::Merged_strings_list): New type.
4356         (Output_merge_string::Merged_strings_lists): New typedef.
4357         (Output_merge_string): Replace merged_strings_ with
4358         merged_strings_lists_.
4359         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4360         Merged_strings_list per input object and section.  Don't store pointer
4361         to the string.  Don't store length with each merged string entry.
4362         (Output_merge_string::finalize_merged_data): Loop over list of merged
4363         strings lists.  Recompute length of each merged string.
4364
4365 2010-07-15  Cary Coutant  <ccoutant@google.com>
4366
4367         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4368         here.
4369
4370 2010-07-14  Ian Lance Taylor  <iant@google.com>
4371
4372         * descriptors.cc (Descriptors::open): Report correct name in error
4373         message.
4374
4375 2010-07-13  Doug Kwan  <dougkwan@google.com>
4376
4377         * arm.cc (Arm_input_section::Arm_input_section): For a
4378         SHT_ARM_EXIDX section, always keeps the input sections.
4379         (Arm_input_section::set_exidx_section_link): New method.
4380         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4381         has_errors_ to false.
4382         (Arm_exidx_input_section::has_errors,
4383         Arm_exidx_input_section::set_has_errors): New methods.
4384         (Arm_exidx_input_section::has_errors_): New data member.
4385         (Arm_relobj::get_exidx_shndx_list): New method.
4386         (Arm_output_section::append_text_sections_to_list): Do not skip
4387         section without SHF_EXECINSTR.
4388         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4389         errors.
4390         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4391         section header.  Make error messages more verbose.  Check for
4392         a non-executable section linked to an EXIDX section.
4393         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4394         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4395         check that there is no deferred EXIDX section if we exit early.
4396         Instead of not making an EXIDX section in case of an error, make one
4397         and set the has_errors flag of it.
4398         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4399         in a relocatable link.
4400         (Target_arm::do_relax): Look for the EXIDX output section instead of
4401         assuming that it is called .ARM.exidx.
4402         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4403         section list.  Do not check for SHF_EXECINSTR section flags but
4404         skip any input section with errors.
4405         * output.cc (Output_section::Output_section): Initialize
4406         always_keeps_input_sections_ to false.
4407         (Output_section::add_input_section): Check for
4408         always_keeps_input_sections_.
4409         *  output.h (Output_section::always_keeps_input_sections,
4410         Output_section::set_always_keeps_input_sections): New methods.
4411         (Output_section::always_keeps_input_sections): New data member.
4412
4413 2010-07-13  Rafael Espindola  <espindola@google.com>
4414
4415         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4416         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4417
4418 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4419             Ian Lance Taylor  <iant@google.com>
4420
4421         * output.h (Output_section_lookup_maps::add_merge_section):
4422         Correct check of whether value was inserted.
4423         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4424         (Output_section_lookup_maps::add_relaxed_input_section):
4425         Likewise.
4426         * arm.cc (Target_arm::got_section): Remove used local os.
4427         * i386.cc (Target_i386::got_section): Likewise.
4428         * x86_64.cc (Target_x86_64::got_section): Likewise.
4429         * sparc.cc (Target_sparc::got_section): Likewise.
4430         (Target_sparc::relocate): Remove unused local have_got_offset.
4431         * powerpc.cc (Target_powerpc::relocate): Likewise.
4432
4433 2010-07-13  Ian Lance Taylor  <iant@google.com>
4434
4435         * compressed_output.cc (zlib_decompress): Fix signature in
4436         !HAVE_ZLIB_H case.
4437
4438         * archive.cc (Archive::include_member): Unlock an external member
4439         of a thin archive.  Don't bother to delete an object we know is
4440         NULL.
4441
4442 2010-07-12  Cary Coutant  <ccoutant@google.com>
4443
4444         * compressed_output.cc (zlib_decompress): New function.
4445         (get_uncompressed_size): New function.
4446         (decompress_input_section): New function.
4447         * compressed_output.h (get_uncompressed_size): New function.
4448         (decompress_input_section): New function.
4449         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4450         Handle compressed debug sections.
4451         * layout.cc (is_compressed_debug_section): New function.
4452         (Layout::output_section_name): Map compressed section names to
4453         canonical names.
4454         * layout.h (is_compressed_debug_section): New function.
4455         (is_debug_info_section): Recognize compressed debug sections.
4456         * merge.cc: Include compressed_output.h.
4457         (Output_merge_data::do_add_input_section): Handle compressed
4458         debug sections.
4459         (Output_merge_string::do_add_input_section): Handle compressed
4460         debug sections.
4461         * object.cc: Include compressed_output.h.
4462         (Sized_relobj::Sized_relobj): Initialize new data members.
4463         (build_compressed_section_map): New function.
4464         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4465         * object.h (Object::section_is_compressed): New method.
4466         (Object::do_section_is_compressed): New method.
4467         (Sized_relobj::Compressed_section_map): New type.
4468         (Sized_relobj::do_section_is_compressed): New method.
4469         (Sized_relobj::compressed_sections_): New data member.
4470         * output.cc (Output_section::add_input_section): Handle compressed
4471         debug sections.
4472         * reloc.cc: Include compressed_output.h.
4473         (Sized_relobj::write_sections): Handle compressed debug sections.
4474
4475 2010-07-08  Cary Coutant  <ccoutant@google.com>
4476
4477         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4478         weak when resolving to a dynamic def.
4479         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4480         for weak undef/dynamic def cases. Adjust callers.
4481         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4482         undef_binding_weak_.
4483         (Symbol_table::sized_write_globals): Adjust symbol binding.
4484         (Symbol_table::sized_write_symbol): Add binding parameter.
4485         * symtab.h (Symbol::set_undef_binding): New method.
4486         (Symbol::is_undef_binding_weak): New method.
4487         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4488         (Symbol_table::should_override): Add new parameter.
4489         (Symbol_table::sized_write_symbol): Add new parameter.
4490
4491         * testsuite/weak_undef_file1.cc: Add new test case.
4492         * testsuite/weak_undef_file2.cc: Fix header comment.
4493         * testsuite/weak_undef_test.cc: Add new test case.
4494
4495 2010-06-29  Doug Kwan  <dougkwan@google.com>
4496
4497         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4498         Initialize USE_SYMBOL_.
4499         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4500         definition.
4501         (Arm_reloc_property::uses_symbol_): New data member declaration.
4502         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4503         uses symbol value and symbol is undefined but not weakly undefined.
4504
4505 2010-06-28  Rafael Espindola  <espindola@google.com>
4506
4507         * plugin.cc (Plugin::load): Use dlerror.
4508
4509 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4510
4511         * symtab.cc (detect_odr_violations): When reporting an ODR
4512         violation, report an object where the symbol is defined.
4513
4514 2010-06-25  Doug Kwan  <dougkwan@google.com>
4515
4516         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4517         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4518         definition.
4519         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4520         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4521         target hook to detect function points.
4522         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4523         * icf.h (Icf::check_section_for_function_pointers): Change type of
4524         parameter SECTION_NAME to const reference to std::string.  Use
4525         target hook to determine if section may have unsafe pointers.
4526         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4527         method definition.
4528
4529 2010-06-21  Rafael Espindola  <espindola@google.com>
4530
4531         * fileread.cc (Input_file::find_fie): New
4532         (Input_file::open): Use Input_file::find_fie.
4533         * fileread.h (Input_file::find_fie): New
4534         * plugin.cc (set_extra_library_path): New.
4535         (Plugin::load): Add set_extra_library_path to the transfer vector.
4536         (Plugin_manager::set_extra_library_path): New.
4537         (Plugin_manager::add_input_file): Use the extra search path if set.
4538         (set_extra_library_path(): New.
4539         * plugin.h (Plugin_manager): Add set_extra_library_path and
4540         extra_search_path_.
4541
4542 2010-06-19  Cary Coutant  <ccoutant@google.com>
4543
4544         * layout.cc (gdb_sections): Add .debug_types.
4545         (lines_only_debug_sections): Likewise.
4546
4547 2010-06-18  Rafael Espindola  <espindola@google.com>
4548
4549         * plugin.cc (add_input_file,add_input_library)
4550         (Plugin_manager::add_input_file): Make filename arguments const.
4551         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4552         const.
4553
4554 2010-06-16  Doug Kwan  <dougkwan@google.com>
4555
4556         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4557         .ARM.attributes section if we have not merged any input
4558         attributes sections.
4559
4560 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4561
4562         * arm.cc: Allow combining objects with no EABI version
4563         information.
4564
4565 2010-06-15  Rafael Espindola  <espindola@google.com>
4566
4567         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4568
4569 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4570
4571         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4572         (struct iovec): Correct !HAVE_READV definition.
4573
4574 2010-06-10  Cary Coutant  <ccoutant@google.com>
4575
4576         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4577         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4578         reloc sections.
4579         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4580
4581         PR 11683
4582         * symtab.h (Symbol::is_placeholder): New member function.
4583         * target-reloc.h (relocate_section): Check for placeholder symbols.
4584
4585         * testsuite/Makefile.am (plugin_test_8): New test.
4586         (plugin_test_9): New test.
4587         * testsuite/Makefile.in: Regenerate.
4588
4589 2010-06-09  Nick Clifton  <nickc@redhat.com>
4590
4591         * yyscript.y (input_list_element): Allow strings prefixed with
4592         the '-' character.  Treat these as libraries.
4593         * script.cc (script_add_library): New function.  Adds a library
4594         specified by "-l<name>" found in an input script.
4595         * script-c.h: Add prototype for script_add_library.
4596
4597 2010-06-07  Doug Kwan  <dougkwan@google.com>
4598
4599         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4600         Restrict stub-group size to be within long conditional branch
4601         range when working around cortex-A8 erratum.
4602
4603 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4604
4605         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4606         #ifdef typo.
4607
4608 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4609
4610         PR gold/11658
4611         * output.cc
4612         (Output_section::Input_section_sort_entry::compare_section_ordering):
4613         Change to return non-zero correctly.
4614         (Output_section::Input_section_sort_section_order_index_compare
4615         ::operator()): Change to fix ambiguity in comparisons.
4616
4617 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4618
4619         * gold.h (is_wildcard_string): New function.
4620         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4621         (Layout::layout_eh_frame): Ditto.
4622         (Layout::find_section_order_index): New method.
4623         (Layout::read_layout_from_file): New method.
4624         * layout.h (Layout::find_section_order_index): New method.
4625         (Layout::read_layout_from_file): New method.
4626         (Layout::input_section_position_): New private member.
4627         (Layout::input_section_glob_): New private member.
4628         * main.cc (main): Call read_layout_from_file here.
4629         * options.h (--section-ordering-file): New option.
4630         * output.cc (Output_section::input_section_order_specified_): New
4631         member.
4632         (Output_section::Output_section): Initialize new member.
4633         (Output_section::add_input_section): Add new parameter.
4634         Keep input sections when --section-ordering-file is used.
4635         (Output_section::set_final_data_size): Sort input sections when
4636         section ordering file is specified.
4637         (Output_section::Input_section_sort_entry): Add new parameter.
4638         Check sorting type.
4639         (Output_section::Input_section_sort_entry::compare_section_ordering):
4640         New method.
4641         (Output_section::Input_section_sort_compare::operator()): Change to
4642         consider section_order_index.
4643         (Output_section::Input_section_sort_init_fini_compare::operator()):
4644         Change to consider section_order_index.
4645         (Output_section::Input_section_sort_section_order_index_compare
4646         ::operator()): New method.
4647         (Output_section::sort_attached_input_sections): Change to sort
4648         according to section order when specified.
4649         (Output_section::add_input_section<32, true>): Add new parameter.
4650         (Output_section::add_input_section<64, true>): Add new parameter.
4651         (Output_section::add_input_section<32, false>): Add new parameter.
4652         (Output_section::add_input_section<64, false>): Add new parameter.
4653         * output.h (Output_section::add_input_section): Add new parameter.
4654         (Output_section::input_section_order_specified): New
4655         method.
4656         (Output_section::set_input_section_order_specified): New method.
4657         (Input_section::Input_section): Initialize section_order_index_.
4658         (Input_section::section_order_index): New method.
4659         (Input_section::set_section_order_index): New method.
4660         (Input_section::section_order_index_): New member.
4661         (Input_section::Input_section_sort_section_order_index_compare): New
4662         struct.
4663         (Output_section::input_section_order_specified_): New member.
4664         * script-sections.cc (is_wildcard_string): Delete and move modified
4665         method to gold.h.
4666         (Output_section_element_input::Output_section_element_input): Modify
4667         call to is_wildcard_string.
4668         (Output_section_element_input::Input_section_pattern
4669         ::Input_section_pattern): Ditto.
4670         (Output_section_element_input::Output_section_element_input): Ditto.
4671         * testsuite/Makefile.am (final_layout): New test case.
4672         * testsuite/Makefile.in: Regenerate.
4673         * testsuite/final_layout.cc: New file.
4674         * testsuite/final_layout.sh: New file.
4675
4676 2010-06-01  Rafael Espindola  <espindola@google.com>
4677
4678         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4679
4680 2010-06-01  Rafael Espindola  <espindola@google.com>
4681
4682         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4683         visibility of symbols.
4684
4685 2010-05-27  Doug Kwan  <dougkwan@google.com>
4686
4687         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4688         from start of output section instead of address for a local symbol
4689         in a merged or relaxed section when doing a relocatable link.
4690
4691 2010-05-26  Rafael Espindola  <espindola@google.com>
4692
4693        PR 11604
4694         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4695         adding sections the garbage collector removed.
4696         * gold/testsuite/Makefile.am: Add test.
4697         * gold/testsuite/Makefile.in: Regenerate.
4698         * gold/testsuite/plugin_test_7.sh: New.
4699         * gold/testsuite/plugin_test_7_1.c: New.
4700         * gold/testsuite/plugin_test_7_2.c: New.
4701
4702 2010-05-26  Rafael Espindola  <espindola@google.com>
4703
4704         * script-sections.cc (Output_section_definition::set_section_addresses):
4705         Check for --section-start.
4706
4707 2010-05-26  Doug Kwan  <dougkwan@google.com>
4708
4709         * arm.cc (Arm_scan_relocatable_relocs): New class.
4710         (Target_arm::relocate_special_relocatable): New method.
4711         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4712         (Arm_relocate_functions::thumb_branch_common): Same.
4713         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4714         instead of Default_scan_relocatable_relocs.
4715         * target-reloc.h (relocate_for_relocatable): Let target handle
4716         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4717         * target.h (Sized_target::relocate_special_relocatable): New method.
4718
4719 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4720
4721         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4722
4723 2010-05-23  Doug Kwan  <dougkwan@google.com>
4724
4725         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4726         instead of a cast.
4727         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4728         with a direct branch, not a conditional branch, to a stub.
4729         * merge.cc (Output_merge_base::record_input_section): New method
4730         defintion.
4731         (Output_merge_data::do_add_input_section): Record input section if
4732         keeps-input-sections flag is set.
4733         (Output_merge_string::do_add_input_section): Ditto.
4734         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4735         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4736         INPUT_SECTIONS_.
4737         (Output_merge_base::keeps_input_sections,
4738         Output_merge_base::set_keeps_input_sections,
4739         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4740         method definitions.
4741         (Output_merge_base::Input_sections): New type declaration.
4742         (Output_merge_base::input_sections_begin,
4743         Output_merge_base::input_sections_end,
4744         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4745         (Output_merge_base::bool keeps_input_sections_,
4746         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4747         Output_merge_base::input_sections_): New data members.
4748         (Output_merge_data::do_set_keeps_input_sections): New method
4749         defintion.
4750         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4751         * output.cc (Output_section::Input_section::relobj): Move method
4752         defintion from class declaration to here and handle merge sections.
4753         (Output_section::Input_section::shndx): Ditto.
4754         (Output_section::Output_section): Remove initializations of removed
4755         data members and initialize new data member LOOKUP_MAPS_.
4756         (Output_section::add_input_section): Set keeps-input-sections flag
4757         for a newly created merge output section as appropriate.  Adjust code
4758         to use Output_section_lookup_maps class.
4759         (Output_section::add_relaxed_input_section): Adjst code for lookup
4760         maps code refactoring.
4761         (Output_section::add_merge_input_section): Add a new parameter
4762         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4763         class.  If adding input section to a newly created merge output
4764         section fails, remove the new merge section.
4765         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4766         Adjust code for use of the Output_section_lookup_maps class.
4767         (Output_section::find_merge_section): Ditto.
4768         (Output_section::build_lookup_maps): New method defintion.
4769         (Output_section::find_relaxed_input_section): Adjust code to use
4770         Output_section_lookup_maps class.
4771         (Output_section::get_input_sections): Export merge sections.  Adjust
4772         code to use Output_section_lookup_maps class.
4773         (Output_section:::add_script_input_section): Adjust code to use
4774         Output_section_lookup_maps class.  Update lookup maps for merge
4775         sections also.
4776         (Output_section::discard_states): Use Output_section_lookup_maps.
4777         (Output_section::restore_states): Same.
4778         * output.h (Merge_section_properties): Move class defintion out of
4779         Output_section.
4780         (Output_section_lookup_maps): New class.
4781         (Output_section::Input_section::is_merge_section): New method
4782         defintion.
4783         (Output_section::Input_section::relobj): Move defintion out of class
4784         defintion.  Declare method only.
4785         (Output_section::Input_section::shndx): Ditto.
4786         (Output_section::Input_section::output_merge_base): New method defintion.
4787         (Output_section::Input_section::u2_.pomb): New union field.
4788         (Output_section::Merge_section_by_properties_map,
4789         Output_section::Output_section_data_by_input_section_map,
4790         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4791         Remove types.
4792         (Output_section::add_merge_input_section): Add new parameter
4793         KEEPS_INPUT_SECTIONS.
4794         (Output_section::build_lookup_maps): New method declaration.
4795         (Output_section::merge_section_map_,
4796         Output_section::merge_section_by_properties_map_,
4797         Output_section::relaxed_input_section_map_,
4798         Output_section::is_relaxed_input_section_map_valid_): Remove data
4799         members.
4800         (Output_section::lookup_maps_): New data member.
4801
4802 2010-05-21  Doug Kwan  <dougkwan@google.com>
4803
4804         PR gold/11619
4805         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4806         avoid a compilation error.
4807
4808 2010-05-19  Rafael Espindola  <espindola@google.com>
4809
4810         * script-sections.cc (Output_section_definition::allocate_to_segment):
4811         Update the phdrs_list even when the output section is NULL.
4812         * testsuite/Makefile.am: Add test.
4813         * testsuite/Makefile.in: Regenerate.
4814         * testsuite/script_test_9.cc: New.
4815         * testsuite/script_test_9.sh: New.
4816         * testsuite/script_test_9.t: New.
4817
4818 2010-05-19  Doug Kwan  <dougkwan@google.com>
4819
4820         * arm.cc (Arm_input_section::original_size): New method.
4821         (Arm_input_section::do_addralign): Add a cast.
4822         (Arm_input_section::do_output_offset): Remove static cast.
4823         (Arm_input_section::original_addralign,
4824          Arm_input_section::original_size_): Change type to uint32_t.
4825         (Arm_input_section::init): Add safe casts for section alignment
4826         and size.
4827         (Arm_input_section::set_final_data_size): Do not set address and
4828         offset of stub table.
4829         (Arm_output_section::fix_exidx_coverage): Change use of of
4830         Output_section::Simple_input_section to that of
4831         Output_section::Input_section.
4832         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4833         except for the first pass.
4834         * output.cc (Output_section::get_input_sections): Change type of
4835         input_sections to std::list<Input_section>.
4836         (Output_section::add_script_input_section): Rename from
4837         Output_section::add_simple_input_section.  Change type of SIS
4838         parameter from Simple_input_section to Input_section.
4839         * output.h (Output_section::Simple_input_section): Remove class.
4840         (Output_section::Input_section): Change class visibility to public.
4841         (Output_section::Input_section::addralign): Use stored alignments
4842         for special input sections if set.
4843         (Output_section::Input_section::set_addralign): New method.
4844         (Output_section::get_input_sections): Change parameter type from
4845         list of Simple_input_section to list of Input_section.
4846         (Output_section::add_script_input_section): Rename from
4847         Output_section::add_simple_input_section. Change first parameter's
4848         type from Simple_input_section to Input_section and remove the
4849         second and third parameters.
4850         * script-sections.cc (Input_section::Input_section_list): Change
4851         type to list of Output_section::Input_section/
4852         (Input_section_info::Input_section_info): Change parameter type of
4853         INPUT_SECTION to Output_section::Input_section.
4854         (Input_section_info::input_section): Change return type.
4855         (Input_section_info::input_section_): Change type to
4856         Output_section::Input_section.
4857         (Output_section_element_input::set_section_addresses): Adjust code
4858         to use Output_section::Input_section instead of
4859         Output_section::Simple_input_section.  Adjust code for renaming
4860         of Output_section::add_simple_input_section.
4861         (Orphan_output_section::set_section_addresses): Ditto.
4862
4863 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4864
4865         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4866         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4867
4868 2010-05-18  Rafael Espindola  <espindola@google.com>
4869
4870         * options.cc (General_options::finalize): Handle -nostdlib.
4871         * options.h (nostdlib): New option.
4872         * script.cc (script_add_search_dir): Handle -nostdlib.
4873
4874 2010-05-12  Doug Kwan  <dougkwan@google.com>
4875
4876         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4877         attributes section only if there no attributes section after merging.
4878         (Target_arm::merge_object_attributes): Move value of
4879         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4880         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4881         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4882         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4883         and arm_attr_merge_7.stdout.
4884         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4885         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4886         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4887         arm_attr_merge_7b.o): New rules.
4888         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4889         arm_attr_merge_7
4890         * testsuite/Makefile.in: Regenerate.
4891         * testsuite/arm_attr_merge.sh: New file.
4892         * testsuite/arm_attr_merge_[67][ab].s: Same.
4893
4894 2010-05-05  Nick Clifton  <nickc@redhat.com>
4895
4896         * po/es.po: Updated Spanish translation.
4897
4898 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4899
4900         * Makefile.am (install-exec-local): Properly install gold as
4901         default cross linker.
4902         * Makefile.in: Regenerated.
4903
4904 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4905             Nick Clifton  <nickc@redhat.com>
4906
4907         * configure.ac (install_as_default): Define and set to false
4908         unless --enable-gold or --enable-gold=both/gold has been
4909         specified.
4910         * configure: Regenerate.
4911
4912         * Makefile.am (install-exec-local): Install the executable as
4913         'ld.gold'.  If install_as_default is true then also install it as
4914         'ld'.
4915         * Makefile.in: Regenerated.
4916
4917 2010-04-24  Ian Lance Taylor  <iant@google.com>
4918
4919         * layout.cc (Layout::layout_reloc): In relocatable link don't
4920         combine reloc sections for grouped sections.
4921
4922 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4923
4924         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4925         sections that are not ordinary to icf.
4926         * icf.cc (get_section_contents): Handle relocation pointing to section
4927         with no object or shndx information.
4928         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4929         * testsuite/Makefile.in: Regenerate.
4930         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4931         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4932
4933 2010-04-22  Ian Lance Taylor  <iant@google.com>
4934
4935         * expression.cc (Expression::Expression_eval_info): Add
4936         result_alignment_pointer field.
4937         (Expression::eval_with_dot): Add result_alignment_pointer
4938         parameter.  Change all callers.
4939         (Expression::eval_maybe_dot): Likewise.
4940         (class Binary_expression): Add alignment_pointer parameter to
4941         left_value and right_value.  Change all callers.
4942         (BINARY_EXPRESSION): Set result alignment.
4943         (class Trinary_expression): Add alignment_pointer parameter to
4944         arg2_value and arg3_value.  Change all callers.
4945         (Trinary_cond::value): Set result alignment.
4946         (Max_expression::value, Min_expression::value): Likewise.
4947         (Align_expression::value): Likewise.
4948         * script-sections.cc (class Sections_element): Add dot_alignment
4949         parameter to set_section_addresses virtual function.  Update
4950         instantiations.
4951         (class Output_section_element): Likewise.
4952         (Script_sections::create_segments): Add dot_alignment parameter.
4953         Change all callers.
4954         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4955         (Script_sections::set_phdrs_clause_addresses): Likewise.
4956         * script-sections.h: Update declarations.
4957         * script.h: Update declarations.
4958         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4959         min_p_align.
4960         * testsuite/script_test_3.t: Set large alignment.
4961         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4962         segment has expected alignment.
4963
4964 2010-04-22  Nick Clifton  <nickc@redhat.com>
4965
4966         * po/gold.pot: Updated by the Translation project.
4967         * po/vi.po: Updated Vietnamese translation.
4968
4969 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4970
4971         * testsuite/Makefile.am (check_PROGRAMS): Add
4972         icf_virtual_function_folding_test.
4973         * testsuite/Makefile.in: Regenerated.
4974
4975 2010-04-15  Andrew Haley  <aph@redhat.com>
4976
4977         * options.h (merge_exidx_entries): New option.
4978         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4979         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4980         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4981         (Target_arm::merge_exidx_entries): New function.
4982         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4983         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4984         to Arm_exidx_fixup constructor.
4985         Add new arg, merge_exidx_entries.
4986         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4987         Arm_output_section::fix_exidx_coverage.
4988
4989 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4990
4991         * icf.cc (get_section_contents): Check for preemptible functions.
4992         Ignore addend when appropriate.
4993         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4994         section folded.
4995         (add_from_relobj): Check for section folded.
4996         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4997         * symtab.h (should_add_dynsym_entry): Add new parameter.
4998         * target-reloc.h (scan_relocs): Check for section folded.
4999         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5000         Check reloc types for function pointers in shared objects.
5001         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5002         case.
5003         (icf_preemptible_functions_test): New test case.
5004         (icf_string_merge_test): New test case.
5005         * testsuite.Makefile.in: Regenerate.
5006         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5007         bar_glob.  Refactor code.
5008         * testsuite/icf_preemptible_functions_test.cc: New file.
5009         * testsuite/icf_preemptible_functions_test.sh: New file.
5010         * testsuite/icf_string_merge_test.cc: New file.
5011         * testsuite/icf_string_merge_test.sh: New file.
5012         * testsuite/icf_virtual_function_folding_test.cc: New file.
5013         * testsuite/icf_virtual_function_folding_test.sh: New file.
5014
5015 2010-04-14  Doug Kwan  <dougkwan@google.com>
5016
5017         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5018         for local symbol recounting if we remove a section due to ICF.
5019         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5020         there are no regular objects in input.
5021
5022 2010-04-13  Doug Kwan  <dougkwan@google.com>
5023
5024         * arm.cc (Arm_input_section::set_final_data_size): Compute
5025         accurate final data size instead of using current data size.
5026
5027 2010-04-09  Doug Kwan  <dougkwan@google.com>
5028
5029         * layout.cc (Layout::choose_output_section): Handle script section
5030         types.
5031         (Layout::make_output_section_for_script): Add section type parameter.
5032         Handle script section types.
5033         * layout.h (Layout::make_output_section_for_script): Add section
5034         type parameter.
5035         * output.cc (Output_section::Output_section): Initialize data member
5036         is_noload_.
5037         (Output_section::do_reset_address_and_file_offset): Do not set address
5038         to 0 if section is a NOLOAD section.
5039         * output.h (Output_section::is_noload): New method.
5040         (Output_section::set_is_noload): Ditto.
5041         (Output_section::is_noload_): New data member.
5042         * script-c.h (Script_section_type): New enum type.
5043         (struct Parser_output_section_header): Add new file section_type.
5044         * script-sections.cc (Sections_element::output_section_name): Add
5045         parameter for returning script section type.
5046         (Output_section_definition::output_section_name): Ditto.
5047         (Output_section_definition::section_type)P; New method.
5048         (Output_section_definiton::script_section_type_name): Ditto.
5049         (Output_section_definition::script_section_type_): New data member.
5050         (Output_section_definition::Output_section_definition): Initialize
5051         data member Output_section_definition::script_section_type_.
5052         (Output_section_definition::create_sections): Pass script section type
5053         to Layout::make_output_section_for_script.
5054         (Output_section_definition::output_section_name): Return script
5055         section type to caller.
5056         (Output_section_definition::set_section_address): Do not advance
5057         dot value and load address if section type is NOLOAD.  Set address
5058         of NOLOAD sections regardless of section flags.
5059         (Output_section_definition::print): Print section type if it is
5060         not SCRIPT_SECTION_TYPE_NONE.
5061         (Output_section_definition::section_type): New method.
5062         (Output_section_definition::script_section_type_name): Ditto.
5063         (Script_sections::output_section_name): Add new parameter
5064         PSECTION_TYPE for returning script section type.  Pass it to
5065         section elements.  Handle discard sections.
5066         (Sort_output_sections::operator()): Handle NOLOAD sections.
5067         * script-sections.h (Script_sections::Section_type): New enum type.
5068         (Script_sections::output_section_name): Add a new parameter for
5069         returning script section type.
5070         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5071         INFO and NOLOAD.
5072         * yyscript.y (union): Add new field SECTION_TYPE.
5073         (COPY, DSECT, INFO, NOLOAD): New tokens.
5074         (opt_address_and_section_type): Change type to output_section_header.
5075         (section_type): New non-terminal
5076         (section_header): Handle section type.
5077         (opt_address_and_section_type): Return section type value.
5078
5079 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5080
5081         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5082         * testsuite/plugin_common_test_2.c (foo): Likewise.
5083
5084 2010-04-08  Doug Kwan  <dougkwan@google.com>
5085
5086         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5087         Output_merge_data.
5088         * output.cc (Output_section::add_merge_input_section): Simplify
5089         code and return status of Output_merge_base::add_input_section.
5090         Update merge section map only if Output_merge_base::add_input_section
5091         returns true.
5092
5093 2010-04-07  Doug Kwan  <dougkwan@google.com>
5094
5095         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5096         if section is marked as containing instructions but has no mapping
5097         symbols.
5098         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5099         correct section index.
5100         (Arm_relobj::find_linked_text_section): Ditto.
5101
5102 2010-04-07  Cary Coutant  <ccoutant@google.com>
5103
5104         * archive.cc (include_member): Destroy Read_symbols_data object before
5105         releasing file.
5106         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5107         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5108         (Read_symbols_data::~Read_symbols_data) New destructor.
5109         (Section_relocs::Section_relocs) New constructor.
5110         (Section_relocs::~Section_relocs) New destructor.
5111         (Read_relocs_data::Read_relocs_data) New constructor.
5112         (Read_relocs_data::~Read_relocs_data) New destructor.
5113         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5114         pointers to NULL after deleting.
5115
5116 2010-04-07  Doug Kwan  <dougkwan@google.com>
5117
5118         * arm.cc: Replace "endianity" with "endianness" in comments.
5119         (Arm_exidx_cantunwind): Ditto.
5120         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5121         (Arm_relobj::merge_flags_and_attributes): New method.
5122         (Arm_relobj::merge_flags_and_attributes_): New data member.
5123         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5124         (Arm_relobj::scan_sections_for_stubs): Ditto.
5125         (Arm_relobj::do_read_symbols): Check to see if we really want to
5126         merge processor-specific flags and attributes.  Exit early if
5127         an object is empty except for section names and the undefined symbol.
5128         (Target_arm::do_finalize_sections): Move check for ELF format to
5129         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5130         attributes from a regular object only when we have determined that
5131         it is aapropriate.  Do not create an .ARM.attributes section in
5132         output if there is no regular input object.
5133         (Target_arm::merge_processor_specific_flags): Check
5134         --warn-mismatch before printing any error.
5135         (Target_arm::merge_object_attributes): Ditto.
5136         * gold.cc (queue_middle_tasks): Handle the case in which there is
5137         no regular object in input.
5138         * options.cc (General_options::parse_EB): New method.
5139         (General_options::parse_EL): Same.
5140         (General_options::General_options): Initialize endianness_.
5141         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5142         New options.
5143         (General_options::Endianness): New enum.
5144         (General_options::endianness): New method.
5145         (General_options::endianness_): New data member.
5146         * parameters.cc (Parameters::set_options): Check target endianness.
5147         (Parameters::set_target_once): Ditto.
5148         (Parameters::check_target_endianness): New method.
5149         (parameters_force_valid_target): If either -EL or -EB is specified,
5150         use it to define endianness of default target.
5151         * parameters.h (Parameters::check_target_endianness): New method
5152         declaration.
5153         * target.h (class Target): Change "endianity" to "endianness"
5154         in comments.
5155
5156 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5157
5158         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5159         * configure: Regenerate.
5160         * Makefile.in: Regenerate.
5161         * testsuite/Makefile.in: Regenerate.
5162
5163 2010-04-06  Cary Coutant  <ccoutant@google.com>
5164
5165         gcc PR lto/42757
5166         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5167         prevailing definitions of common symbols.
5168         * testsuite/plugin_test_6.sh: New test case.
5169         * testsuite/plugin_common_test_1.c: New test case.
5170         * testsuite/plugin_common_test_2.c: New test case.
5171         * testsuite/Makefile.am (plugin_test_6): New test case.
5172         * testsuite/Makefile.in: Regenerate.
5173
5174 2010-04-06  Nick Clifton  <nickc@redhat.com>
5175
5176         * po/vi.po: New Vietnamese translation.
5177
5178 2010-03-30  Doug Kwan  <dougkwan@google.com>
5179
5180         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5181
5182 2010-03-25  Doug Kwan  <dougkwan@google.com>
5183
5184         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5185         to avoid a conversion warning on a 32-bit host.
5186
5187 2010-03-24  Ian Lance Taylor  <iant@google.com>
5188
5189         * testsuite/script_test_3.t: Add a TLS segment.
5190         * testsuite/Makefile.am (check_PROGRAMS): Add
5191         tls_phdrs_script_test.
5192         (tls_phdrs_script_test_SOURCES): Define.
5193         (tls_phdrs_script_test_DEPENDENCIES): Define.
5194         (tls_phdrs_script_test_LDFLAGS): Define.
5195         (tls_phdrs_script_test_LDADD): Define.
5196         * testsuite/Makefile.in: Rebuild.
5197
5198 2010-03-23  Cary Coutant  <ccoutant@google.com>
5199
5200         * fileread.cc (find_or_make_view): Fix comment.
5201
5202 2010-03-23  Ian Lance Taylor  <iant@google.com>
5203
5204         * script-sections.cc (class Orphan_section_placement): Define
5205         PLACE_TLS and PLACE_TLS_BSS.
5206         (Orphan_section_placement::Orphan_section_placement): Initialize
5207         new places.
5208         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5209         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5210         (tls_script_test_SOURCES): Define.
5211         (tls_script_test_DEPENDENCIES): Define.
5212         (tls_script_test_LDFLAGS): Define.
5213         (tls_script_test_LDADD): Define.
5214         * testsuite/Makefile.in: Rebuild.
5215
5216 2010-03-22  Doug Kwan  <dougkwan@google.com>
5217
5218         * arm.cc (Arm_relocate_functions::abs8,
5219         Arm_relocate_functions::abs16): Use correct check for overflow
5220         specified in the ARM ELF specs.
5221         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5222         target of a BLX instruction specially.
5223         (Reloc_stub::stub_type_for_reloc): Ditto.
5224         (Relocate::relocate): Use symbolic names instead of numeric relocation
5225         codes to report error.
5226         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5227         workaround.
5228         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5229         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5230         thumb2_blx_out_of_range.stdout
5231         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5232         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5233         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5234         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5235         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5236         thumb2_blx_in_range, thumb2_blx_in_range.o,
5237         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5238         thumb2_blx_out_of_range.o): New rules.
5239         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5240         thumb2_blx_in_range and thumb2_blx_out_of_range.
5241         * testsuite/Makefile.in: Regenerate.
5242         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5243         * testsuite/thumb_blx_in_range.s: New file.
5244         * testsuite/thumb_blx_out_of_range.s: New file.
5245
5246 2010-03-22  Rafael Espindola  <espindola@google.com>
5247
5248         * archive.cc (Should_include): Move to archive.h.
5249         (should_include_member): Make it a member of Archive.
5250         (Lib_group): New.
5251         (Add_lib_group_symbols): New.
5252         * archive.h: Include options.h.
5253         (Archive_member): Moved from Archive.
5254         (Should_include): Moved from archive.cc.
5255         (Lib_group): New.
5256         (Add_lib_group_symbols): New.
5257         * dynobj.cc (do_should_include_member): New.
5258         * dynobj.h (do_should_include_member): New.
5259         * gold.cc (queue_initial_tasks): Update call to queue.
5260         * main.cc (main): Print lib group stats.
5261         * object.cc (do_should_include_member): New.
5262         * object.h: Include archive.h.
5263         (Object::should_include_member): New.
5264         (Object::do_should_include_member): New.
5265         (Sized_relobj::do_should_include_member): New.
5266         * options.cc (General_options::parse_start_lib): New.
5267         (General_options::parse_end_lib): New.
5268         (Input_arguments::add_file): Handle lib groups.
5269         (Input_arguments::start_group): Check we are not in a lib.
5270         (Input_arguments::start_lib): New.
5271         (Input_arguments::end_lib): New.
5272         * options.h (General_options): Add start_lib and end_lib.
5273         (Input_argument::lib_): New.
5274         (Input_argument::lib): New.
5275         (Input_argument::is_lib): New.
5276         (Input_file_lib): New.
5277         (Input_arguments::in_lib_): New.
5278         (Input_arguments::in_lib): New.
5279         (Input_arguments::start_lib): New.
5280         (Input_arguments::end_lib_): New.
5281         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5282         in unused members as preempted.
5283         (Sized_pluginobj::do_should_include_member): New.
5284         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5285         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5286         return the blocker.
5287         (Read_symbols::do_whole_lib_group): New.
5288         (Read_symbols::do_lib_group): New.
5289         (Read_symbols::do_read_symbols): Handle lib groups.
5290         (Read_symbols::get_name): Handle lib groups.
5291         * readsyms.h (Read_symbols): Add an archive member pointer.
5292         (Read_symbols::do_whole_lib_group): New.
5293         (Read_symbols::do_lib_group): New.
5294         (Read_symbols::member_): New.
5295         * script.cc (read_input_script): Update call to queue_soon.
5296
5297 2010-03-19  Doug Kwan  <dougkwan@google.com>
5298
5299         * arm.cc (Stub_table::Stub_table): Initialize new data members
5300         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5301         (Stub_table::add_reloc_stub): Assign stub offset and update
5302         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5303         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5304         New data members.
5305         (Stub_table::update_data_size_and_addralign): Use
5306         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5307         instead of going over all reloc stubs.
5308         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5309         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5310         Stringpool_template::offset_ to size of Stringpool_char.
5311         (Stringpool_template::new_key_offset): Remove code to initialize
5312         Stringpool_template::offset_.
5313         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5314         Stringpool_template::offset_ to zero.
5315
5316 2010-03-15  Doug Kwan  <dougkwan@google.com>
5317
5318         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5319         offset_.
5320         (Stringpool_template::new_key_offset): New method.
5321         (Stringpool_template::add_string): Assign offsets when adding new
5322         strings.
5323         (Stringpool_template::set_string_offsets): Do not set string offsets
5324         when not optimizing.
5325         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5326         member size_.
5327         (Chunked_vector::clear): Clear size_.
5328         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5329         (Chunked_vector::size): Return size_.
5330         (Chunked_vector::push_back): Use size_ to find insert position.
5331         (Chunked_vector::size_): New data member.
5332         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5333         (Stringpool_template::new_key_offset): New method declaration.
5334         (Stringpool_template::offset_): New data member.
5335
5336 2010-03-15   Rafael Espindola  <espindola@google.com>
5337
5338         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5339         Add_symbols' constructor.
5340         * readsyms.h (Add_symbols): Remove the input_group member.
5341
5342 2010-03-10  Ian Lance Taylor  <iant@google.com>
5343
5344         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5345         target to ask whether a reference to a symbol requires a stack
5346         split.
5347         * target.h (Target::is_call_to_non_split): New function.
5348         (Target::do_is_call_to_non_split): Declare virtual function.
5349         * target.cc: Include "symtab.h".
5350         (Target::do_is_call_to_non_split): New function.
5351         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5352
5353 2010-03-10  Cary Coutant  <ccoutant@google.com>
5354
5355         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5356         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5357         (File_read::open[2]): Add whole_file_view_ to list of views.
5358         (File_read::make_view): Remove test of whole_file_view_.
5359         (File_read::find_or_make_view): Create whole_file_view_ if
5360         necessary.
5361         (File_read::clear_views): Replace bool parameter with enum;
5362         adjust all callers.  Don't delete views with permanent data;
5363         do delete cached views and views from archives if
5364         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5365         if clearing the corresponding view.
5366         * fileread.h (File_read::Clear_views_mode): New enum.
5367         (File_read::View::is_permanent_view): New method.
5368         (File_read::clear_views): Replace bool parameter
5369         with enum; adjust all callers.
5370         * options.h (General_options): Change keep_files_mapped option;
5371         add map_whole_files.
5372         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5373         releasing the file.
5374         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5375         the file.
5376
5377 2010-03-10  David S. Miller  <davem@davemloft.net>
5378
5379         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5380
5381 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5382
5383         * icf.cc (get_section_contents): Add '@' marker after processing the
5384         merge reloc.
5385
5386 2010-03-08  Doug Kwan  <dougkwan@google.com>
5387
5388         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5389         due to a conversion warning.
5390         (Arm_relobj::update_output_local_symbol_count): Check for local
5391         symbol with unset output index.
5392
5393 2010-03-05  Ian Lance Taylor  <iant@google.com>
5394
5395         * options.h (class General_options): Add --spare-dynamic-tags.
5396         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5397         --spare-dynamic-tags.
5398
5399 2010-03-05  Ian Lance Taylor  <iant@google.com>
5400
5401         * incremental.cc: Include "libiberty.h".
5402
5403 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5404
5405         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5406         function, is_info_ member.
5407         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5408         (Versions::Versions): Update caller.
5409         (Versions::define_base_version): Likewise.
5410         (Versions::add_def): Likewise.
5411
5412 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5413
5414         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5415         (Scan::possible_function_pointer_reloc): New function.
5416         (Scan::local_reloc_may_be_function_pointer): Change to call
5417         possible_function_pointer_reloc.
5418         (Scan::global_reloc_may_be_function_pointer): Ditto.
5419         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5420         relocations in ".data.rel.ro._ZTV" section.
5421         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5422         * testsuite/icf_safe_so_test.cc: Ditto.
5423         * testsuite/icf_safe_test.cc: Ditto.
5424         * testsuite/icf_safe_test.sh: Ditto.
5425
5426 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5427             Ian Lance Taylor  <iant@google.com>
5428
5429         * target-reloc.h (relocate_section): Check the symbol table index
5430         for -1U before setting the local symbol index.
5431         (scan_relocatable_relocs): If copying the relocation, record that
5432         the local symbol is required.
5433         * object.h (Symbol_value::is_output_symtab_index_set): New
5434         function.
5435         (Symbol_value::may_be_discarded_from_output_symtab): New
5436         function.
5437         (Symbol_value::has_output_symtab_entry): New function.
5438         (Symbol_value::needs_output_symtab_entry): Remove.
5439         (Symbol_value::output_symtab_index): Make sure the symbol index is
5440         set.
5441         (Symbol_value::set_output_symtab_index): Make sure the symbol
5442         index is not set.  Make sure the new index is valid.
5443         (Symbol_value::set_must_have_output_symtab_entry): New function.
5444         (Symbol_value::has_output_dynsym_entry): New function.
5445         (Symbol_value::set_output_dynsym_index): Make sure the new index
5446         is valid.
5447         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5448         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5449         local symbol if permitted.
5450         (Sized_relobj::do_finalize_local_symbols): Call
5451         is_output_symtab_index_set rather than needs_output_symtab_entry.
5452         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5453         rather than needs_output_symtab_entry.  Call
5454         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5455         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5456         is_output_symtab_index_set rather than needs_output_symtab_entry.
5457         * testsuite/discard_locals_relocatable_test.c: New file.
5458         * testsuite/discard_locals_test.sh: Test -r.
5459         * testsuite/Makefile.am (check_DATA): Add
5460         discard_locals_relocatable_test1.syms,
5461         discard_local_relocatable_test2.syms.
5462         (MOSTLYCLEANFILES): Likewise.  Also add
5463         discard_locals_relocatable_test1.lout and
5464         discard_locals_relocatable_test2.out.
5465         (discard_locals_relocatable_test1.syms): New target.
5466         (discard_locals_relocatable_test.o): New target.
5467         (discard_locals_relocatable_test1.out): New target.
5468         (discard_locals_relocatable_test2.syms): New target.
5469         (discard_locals_relocatable_test2.out): New target.
5470         (various): Add missing ../ld-new dependencies.
5471         * testsuite/Makefile.in: Rebuild.
5472
5473 2010-03-03  Nick Clifton  <nickc@redhat.com>
5474
5475         * po/fi.po: New Finnish translation.
5476
5477 2010-03-01  Doug Kwan  <dougkwan@google.com>
5478
5479         * layout.cc (Layout::Layout): Force section types of .init_array*,
5480         .preinit_array* and .fini_array* sections.
5481         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5482         Fix check of return value of std::string::find.().
5483         (Output_section::Input_section_sort_compare::operator()): Remove
5484         comment about .init_array.
5485         (Output_section::Input_section_sort_init_fini_compare::operator()):
5486         New method.
5487         (Output_section::sort_attached_input_sections): Handle .init_array
5488         and .fini_array specially.
5489         * output.h (Output_section::Inut_section_sort_compare): Update
5490         comment.
5491         (Output_section::Input_section_sort_init_fini_compare): New struct.
5492
5493 2010-02-26  Doug Kwan  <dougkwan@google.com>
5494
5495         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5496         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5497         * testsuite/debug_msg.sh: Avoid matching source line number for
5498         use of global variable undef_int.
5499
5500 2010-02-26  Doug Kwan  <dougkwan@google.com>
5501
5502         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5503         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5504         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5505         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5506         * options.cc (General_options::General_options): Initialize member
5507         fix_v4bx_.
5508         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5509         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5510         and rm_no_fix_v4bx.stdout
5511         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5512         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5513         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5514         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5515         and arm_no_fix_v4bx.
5516         * Makefile.in: Regenerate.
5517         * testsuite/arm_fix_v4bx.s: New file.
5518         * testsuite/arm_fix_v4bx.sh: Ditto.
5519
5520 2010-02-24  Doug Kwan  <dougkwan@google.com>
5521
5522         * arm.cc (Target_arm::got_section): Make the .got section the first
5523         non RELRO section in the data segment.
5524         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5525         suffixes of section names.
5526
5527 2010-02-24  Doug Kwan  <dougkwan@google.com>
5528
5529         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5530         flags and attributes merging if an input file is a binary file.
5531         * fileread.cc (Input_file::open): Record format of original file.
5532         * fileread.h (Input_file::Format): New enum type.
5533         (Input_file::Input_file): Initialize data member format_.
5534         (Input_file::format): New method definition.
5535         (Input_file::format_):: New data member.
5536
5537 2010-02-24  Doug Kwan  <dougkwan@google.com>
5538
5539         * arm.cc (Arm_output_data_got): New class.
5540         (ARM_TCB_SIZE): New constant
5541         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5542         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5543         If user uses a script with a SECTIONS clause, issue only a warning
5544         for a misplaced EXIDX input section.  Otherwise, issue an error.
5545         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5546         garbage collection.
5547         (Target_arm::got_mode_index_entry): Handle static linking.
5548         (Target_arm::Scan::local): Ditto.
5549         (Target_arm::Scan::global): Ditto.
5550         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5551         all incorrectly implemented relocations.
5552         (Target_arm::fix_exidx_coverage): Pass layout to
5553         Arm_output_section::fix_exidx_coverage.
5554         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5555         from ".ARM.exidx." and ".ARM.extab.".
5556
5557 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5558
5559         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5560         section if it does not already exist.
5561         * attributes.cc (Attributes_section_data::Attributes_section_data):
5562         Don't crash if size is zero.
5563
5564 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5565             Ian Lance Taylor  <iant@google.com>
5566
5567         * gold.cc (queue_middle_tasks): If no input files were opened,
5568         exit.
5569         * workqueue.h (Task_function::Task_function): Assert that there is
5570         a blocker.
5571
5572 2010-02-22  Doug Kwan  <dougkwan@google.com>
5573
5574         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5575         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5576         types to avoid warnings due to different uint64_t implementations
5577         on different hosts.
5578
5579 2010-02-21  Doug Kwan  <dougkwan@google.com>
5580
5581         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5582         handling of the maximum backward branch offset.
5583         (Arm_relocate_functions::thumb_branch_common): Ditto.
5584         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5585         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5586         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5587         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5588         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5589         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5590         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5591         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5592         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5593         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5594         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5595         thumb2_bl_out_of_range.o): New rules.
5596         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5597         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5598         thumb2_bl_out_of_range
5599         * testsuite/Makefile.in: Regenerate.
5600         * testsuite/arm_bl_in_range.s: New file.
5601         * testsuite/arm_bl_out_of_range.s: Ditto.
5602         * testsuite/arm_branch_in_range.sh: Ditto.
5603         * testsuite/arm_branch_range.t: Ditto.
5604         * testsuite/thumb2_branch_range.t: Ditto.
5605         * testsuite/thumb_bl_in_range.s: Ditto.
5606         * testsuite/thumb_bl_out_of_range.s: Ditto.
5607         * testsuite/thumb_branch_range.t: Ditto.
5608
5609 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5610
5611         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5612         Add reloc offset information.
5613         * icf.cc (get_section_contents): Change iterators to point to the new
5614         vectors. Add reloc offset information to the contents.
5615         * icf.h (Icf::Sections_reachable_info): New typedef.
5616         (Icf::Sections_reachable_list): New typedef.
5617         (Icf::Offset_info): New typedef.
5618         (Icf::Reloc_info): New struct typedef.
5619         (Icf::Reloc_info_list): New typedef.
5620         (Icf::symbol_reloc_list): Delete method.
5621         (Icf::addend_reloc_list): Delete method.
5622         (Icf::section_reloc_list): Delete method.
5623         (Icf::reloc_info_list): New method.
5624         (Icf::reloc_info_list_): New member.
5625
5626 2010-02-19  Doug Kwan  <dougkwan@google.com>
5627
5628         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5629         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5630         * arm.cc (Arm_relocation_functions): New forward declaration.
5631         (Target_arm::Target_arm): Initialize new data members
5632         got_mod_index_offset_ and tls_base_symbol_defined_.
5633         (Target_arm::Relocate::relocate_tls): New method.
5634         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5635          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5636         New methods.
5637         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5638         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5639         (Target_arm::got_mod_index_offset_,
5640         Target_arm::tls_base_symbol_defined_): New data members.
5641         (Target_arm::Scan::local, Target::Scan::global,
5642         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5643         relocations.
5644
5645 2010-02-18  Doug Kwan  <dougkwan@google.com>
5646
5647         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5648         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5649         text section as a parameter becuase some broken tools may not set
5650         the link in section header.
5651         (Target_arm::has_got_section): New method.
5652         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5653         without any mapping symbol as data only.  Remove warning.
5654         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5655         link in its section header, try to discover the link by inspecting the
5656         REL31 relocation at the beginning of the section.
5657         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5658         in error message.
5659         (Target_arm::Scan::global): Treat any reference to the symbol
5660         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5661
5662 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5663
5664         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5665         (Scan::global_reloc_may_be_function_pointer): New function.
5666         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5667         (Scan::global_reloc_may_be_function_pointer): New function.
5668         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5669         (Scan::global_reloc_may_be_function_pointer): New function.
5670         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5671         (Scan::global_reloc_may_be_function_pointer): New function.
5672         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5673         (Scan::global_reloc_may_be_function_pointer): New function.
5674         (Scan::possible_function_pointer_reloc): New function.
5675         (Target_x86_64::can_check_for_function_pointers): New function.
5676         * gc.h (gc_process_relocs): Scan relocation types to determine if
5677         function pointers were taken for targets that support it.
5678         * icf.cc (Icf::find_identical_sections): Include functions for
5679         folding in safe ICF whose pointer is not taken.
5680         * icf.h (Secn_fptr_taken_set): New typedef.
5681         (fptr_section_id_): New member.
5682         (section_has_function_pointers): New function.
5683         (set_section_has_function_pointers): New function.
5684         (check_section_for_function_pointers): New function.
5685         * options.h: Fix comment for safe ICF option.
5686         * target.h (can_check_for_function_pointers): New function.
5687         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5688         Modify icf_safe_test for X86-64.
5689         * testsuite/Makefile.in: Regenerate.
5690         * testsuite/icf_safe_so_test.cc: New file.
5691         * testsuite/icf_safe_so_test.sh: New file.
5692         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5693         (main): Change to take pointer to function kept_func_3.
5694         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5695         folding is done correctly for X86-64.
5696
5697 2010-02-12  David S. Miller  <davem@davemloft.net>
5698
5699         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5700         is_symbolless parameter.
5701         (Output_reloc<SHT_REL>::is_symbolless): New.
5702         (Output_reloc<SHT_REL>::is_symbolless_): New.
5703         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5704         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5705         (Output_reloc<SHT_RELA>::is_symbolless): New.
5706         (Output_data_reloc::add_global): Handle is_symbolless.
5707         (Output_data_reloc::add_global_relative): Likewise.
5708         (Output_data_reloc::add_local): Likewise.
5709         (Output_data_reloc::add_local_relative): Likewise.
5710         (Output_data_reloc::add_symbolless_global_addend): New.
5711         (Output_data_reloc::add_symbolless_local_addend): New.
5712         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5713         is_symbolless.
5714         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5715         instead of ->is_relative_
5716         (Output_reloc::write): Likewise.
5717         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5718         (Output_reloc::write_rel): Simplify.
5719
5720         * sparc.cc (Target_sparc::Scan::local): Use
5721         ->add_symbolless_local_addend as needed.
5722         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5723         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5724         based upon relocation offset.
5725
5726 2010-02-11  Doug Kwan  <dougkwan@google.com>
5727
5728         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5729         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5730         beginning of function.
5731         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5732         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5733         parameter is_32bit in calls to should_apply_static_reloc.
5734         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5735         (check_DATA): Add arm_abs_global.stdout.
5736         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5737         arm_abs_global.stdout): New rules.
5738         (MOSTLLYCLEANFILES): Add arm_abs_global
5739         * Makefile.in: Regenerate.
5740         * testsuite/arm_abs_global.s: New file.
5741         * testsuite/arm_abs_global.sh: Ditto.
5742         * testsuite/arm_abs_lib.s: Ditto.
5743
5744 2010-02-11  Ian Lance Taylor  <iant@google.com>
5745
5746         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5747         Read_relocs task.
5748         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5749         Allocate_commons_task first.
5750         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5751         task, rather than symtab_lock_.
5752         (Gc_process_relocs::~Gc_process_relocs): New function.
5753         (Gc_process_relocs::is_runnable): Check this_blocker_.
5754         (Gc_process_relocs::locks): Use next_blocker_ rather than
5755         blocker_.
5756         (Scan_relocs::~Scan_relocs): New function.
5757         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5758         symtab_lock_.
5759         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5760         next_blocker_.
5761         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5762         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5763         constructor accordingly.
5764         (class Gc_process_relocs): Likewise.
5765         (class Scan_relocs): Likewise.
5766         * common.h (class Allocate_commons_task): Remove symtab_lock_
5767         field, and corresponding constructor parameter.
5768         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5769         symtab_lock_.
5770         (Allocate_commons_task::locks): Likewise.
5771
5772 2010-02-11  Ian Lance Taylor  <iant@google.com>
5773
5774         * gold-threads.h (class Once): Define.
5775         (class Initialize_lock): Rewrite as child of Once.
5776         * gold-threads.cc (class Once_initialize): Define.
5777         (once_pointer_control): New static variable.
5778         (once_pointer, once_arg): New static variables.
5779         (c_run_once): New static function.
5780         (Once::Once, Once::run_once, Once::internal_run): New functions.
5781         (class Initialize_lock_once): Remove.
5782         (initialize_lock_control): Remove.
5783         (initialize_lock_pointer): Remove.
5784         (initialize_lock_once): Remove.
5785         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5786         (Initialize_lock::initialize): Rewrite.
5787         (Initialize_lock::do_run_once): New function.
5788         * archive.cc (Archive::interpret_header): Only clear name if it is
5789         not already empty.
5790         * fileread.cc: Include "gold-threads.h"
5791         (file_counts_lock): New static variable.
5792         (file_counts_initialize_lock): Likewise.
5793         (File_read::release): Only increment counts when using --stats.
5794         Use a lock around the increment.
5795         * parameters.cc (class Set_parameters_target_once): Define.
5796         (set_parameters_target_once): New static variable.
5797         (Parameters::Parameters): Move here from parameters.h.
5798         (Parameters::set_target): Rewrite.
5799         (Parameters::set_target_once): New function.
5800         (Parameters::clear_target): Move here and rewrite.
5801         * parameters.h (class Parameters): Update declarations.  Add
5802         set_parameters_target_once_ field.
5803         (Parameters::Parameters): Move to parameters.cc.
5804         (Parameters::clear_target): Likewise.
5805         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5806         task.
5807         (Start_group::~Start_group): New function.
5808         (Start_group::is_runnable): New function.
5809         (Start_group::locks, Start_group::run): New functions.
5810         (Finish_group::run): Change saw_undefined to size_t.
5811         * readsyms.h (class Start_group): Define.
5812         (class Finish_group): Change saw_undefined_ field to size_t.
5813         (Finish_group::Finish_group): Remove saw_undefined and
5814         this_blocker parameters.  Change all callers.
5815         (Finish_group::set_saw_undefined): New function.
5816         (Finish_group::set_blocker): New function.
5817         * symtab.h (class Symbol_table): Change saw_undefined to return
5818         size_t.  Change saw_undefined_ field to size_t.
5819         * target-select.cc (Set_target_once::do_run_once): New function.
5820         (Target_selector::Target_selector): Initialize set_target_once_
5821         field.  Don't initialize lock_ and initialize_lock_ fields.
5822         (Target_selector::instantiate_target): Rewrite.
5823         (Target_selector::set_target): New function.
5824         * target-select.h (class Set_target_once): Define.
5825         (class Target_selector): Update declarations.  Make
5826         Set_target_once a friend.  Remove lock_ and initialize_lock_
5827         fields.  Add set_target_once_ field.
5828
5829 2010-02-10  Ian Lance Taylor  <iant@google.com>
5830
5831         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5832         queueing any tasks.
5833         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5834         (queue_middle_tasks): Add all blockers before queueing any tasks.
5835         (queue_final_tasks): Likewise.
5836         * token.h (Task_token::add_blockers): New function.
5837         * object.h (Input_objects::number_of_relobjs): New function.
5838
5839 2010-02-10  Ian Lance Taylor  <iant@google.com>
5840
5841         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5842         shared, not if not position independent.
5843         * x86_64.cc (Relocate::relocate_tls): Likewise.
5844         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5845         (tls_pie_pic_test): New target.
5846         * testsuite/Makefile.in: Rebuild.
5847
5848         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5849         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5850         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5851         * testsuite/Makefile.in: Rebuild.
5852
5853 2010-02-09  David S. Miller  <davem@davemloft.net>
5854
5855         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5856         R_SPARC_RELATIVE using ->add_local_relative().
5857         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5858
5859         * output.h (Output_data_dynamic::add_section_size): New method
5860         that takes two Output_data objects.
5861         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5862         entry param.  Handle it in initializers.
5863         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5864         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5865         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5866         arg.
5867         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5868         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5869         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5870         for dynrel_includes_plt.
5871         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5872         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5873         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5874         before .rela.plt
5875         (Target_sparc::do_finalize_sections): Update to pass true for
5876         dynrel_includes_plt.
5877         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5878         output before .rela.plt
5879         (Target_powerpc::do_finalize_sections): Update to pass true for
5880         dynrel_includes_plt when 32-bit.
5881
5882 2010-02-08  Doug Kwan  <dougkwan@google.com>
5883
5884         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5885         method.
5886         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5887         Arm_relobj::scan_section_for_cortex_a8_stubs,
5888         Arm_relobj::do_relocation_section): Instead of calling
5889         Output_section::output_address, use faster
5890         Arm_relobj::simple_input_section_output_address.
5891
5892 2010-02-08  David S. Miller  <davem@davemloft.net>
5893
5894         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5895         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5896         relocation helper function.
5897
5898         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5899         just like R_SPARC_GOT{10,13,22}.
5900         (Target_sparc::Scan::local): Likewise.
5901         (Target_sparc::Relocate:relocate): Likewise.
5902
5903 2010-02-06  Ian Lance Taylor  <iant@google.com>
5904
5905         * configure.ac: Rewrite targetobjs duplicate removal code to use
5906         only shell constructs.
5907         * configure: Rebuild.
5908
5909 2010-02-05  Doug Kwan  <dougkwan@google.com>
5910
5911         PR 11247
5912         * arm.cc (Arm_relobj::section_is_scannable): New method.
5913         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5914         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5915
5916 2010-02-04  Doug Kwan  <dougkwan@google.com>
5917
5918         PR 11247
5919         * arm-reloc-property.cc (cstdio): Include.
5920         * configure.ac (targetobjs): Remove duplicates.
5921         * configure: Regenerate.
5922         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5923         big and little endian version for a given address size.
5924
5925 2010-02-03  Doug Kwan  <dougkwan@google.com>
5926
5927         * arm-reloc-property.cc
5928         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5929         definition.
5930         * arm-reloc-property.h
5931         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5932         New method definition.
5933         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5934         declaration.
5935         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5936         overflow to N.
5937         (GOT_PREL): Change implemented to Y.
5938         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5939         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5940         (Arm_relocate_functions::movw_abs_nc): Remove method.
5941         (Arm_relocate_functions::movt_abs): Ditto.
5942         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5943         (Arm_relocate_functions::thm_movt_abs): Ditto.
5944         (Arm_relocate_functions::movw_rel_nc): Ditto.
5945         (Arm_relocate_functions::movw_rel): Ditto.
5946         (Arm_relocate_functions::movt_rel): Ditto.
5947         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5948         (Arm_relocate_functions:thm_movw_rel): Ditto.
5949         (Arm_relocate_functions:thm_movt_rel): Ditto.
5950         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5951         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5952         New method definitions.
5953         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5954         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5955         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5956         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5957         (Target_arm::Relocate::relocate): Check for non-static or
5958         unimplemented relocation code and exit early.  Change calls to
5959         Target_arm::reloc_uses_thumb_bit and
5960         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5961         instead.  Refactor code to handle similar relocations to increase
5962         code sharing.  Remove check for unsupported relocation code in switch
5963         statement.
5964         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5965         relocation property table to find out size.  Change error message to
5966         print out the name of a relocation code instead of the numeric value.
5967         (Target_arm::scan_reloc_for_stub): Use relocation property table
5968         instead of calling Target_arm::reloc_uses_thumb_bit().
5969
5970 2010-02-02  Doug Kwan  <dougkwan@google.com>
5971
5972         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5973         types of relaxed input section.
5974
5975 2010-02-02  Doug Kwan  <dougkwan@google.com>
5976
5977         * Makefile.am (HFILES): Add arm-reloc-property.h.
5978         (DEFFILES): New.
5979         (TARGETSOURCES): Add arm-reloc-property.cc
5980         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5981         (libgold_a_SOURCES): $(DEFFILES)
5982         * Makefile.in: Regenerate.
5983         * arm-reloc-property.cc: New file.
5984         * arm-reloc-property.h: New file.
5985         * arm-reloc.def: New file.
5986         * arm.cc: Update comments.
5987         (arm-reloc-property.h): New included header.
5988         (arm_reloc_property_table): New global variable.
5989         (Target_arm::do_select_as_default_target): New method definition.
5990         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5991         arm-reloc-property to targ_extra_obj.
5992         * parameters.cc (set_parameters_target): Call
5993         Target::select_as_default_target().
5994         * target.h (Target::select_as_default_target): New method definition.
5995         (Target::do_select_as_default_target): Same.
5996
5997 2010-02-01  Doug Kwan  <dougkwan@google.com>
5998
5999         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6000         first_output_text_section_.
6001         (Arm_exidx_fixup::first_output_text_section): New method definition.
6002         (Arm_exidx_fixup::first_output_text_section_): New data member.
6003         (Arm_exidx_fixup::process_exidx_section): Record the first text
6004         output section seen.
6005         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6006         and entsize in output section header.
6007
6008 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6009
6010         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6011         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6012         (Arm_relocate_functions::thm_alu11): New Method.
6013         (Arm_relocate_functions::thm_pc8): New Method.
6014         (Arm_relocate_functions::thm_pc12): New Method.
6015         (Target_arm::Scan::local): Handle the relocations.
6016         (Target_arm::Scan::global): Likewise.
6017         (Target_arm::Relocate::relocate): Likewise.
6018         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6019
6020 2010-01-29  Doug Kwan  <dougkwan@google.com>
6021
6022         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6023         of relocation types as ld.
6024
6025 2010-01-29  Doug Kwan  <dougkwan@google.com>
6026
6027         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6028         to public.
6029         (Arm_relocate_functions::thumb_branch_common): Ditto.
6030         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6031         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6032         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6033         Arm_relocate_functions::jump24): Remove.
6034         (Target_arm::Relocate::relocate): Adjust code to call
6035         Arm_relocation_functions::arm_branch_common and
6036         Arm_relocation_functions::thumb_branch_common instead of their removed
6037         wrappers.  Merge switch-cases together to reduce source code size.
6038
6039 2010-01-29  Doug Kwan  <dougkwan@google.com>
6040
6041         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6042         output_local_symbol_count_needs_update_.
6043         (Arm_relobj::output_local_symbol_count_needs_update,
6044          Arm_relobj::set_output_local_symbol_count_needs_update,
6045          Arm_relobj::update_output_local_symbol_count): New methods.
6046         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6047         member.
6048         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6049         of pointed function as in a R_ARM_PREL31 relocation.
6050         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6051         for output local symbol count updating.
6052         (Target_arm::do_relax): Update output local symbol counts in objects
6053         if necessary.
6054         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6055
6056 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6057
6058         * arm.cc: Added support for the ARM relocations:
6059         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6060         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6061         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6062         movw_prel_nc).
6063         (Arm_relocate_functions::movw_rel): New method.
6064         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6065         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6066         thm_movw_prel_nc).
6067         (Arm_relocate_functions::thm_movw_rel): New method.
6068         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6069         thm_movt_prel).
6070         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6071         relocations.
6072         (Target_arm::Scan::global): Likewise.
6073         (Target_arm::Relocate::relocate): Likewise.
6074         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6075         Likewise.
6076
6077 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6078
6079         * arm.cc: Added support for ARM group relocations.
6080         (Target_arm::reloc_needs_sym_origin): New method.
6081         (Arm_relocate_functions::calc_grp_kn): New method.
6082         (Arm_relocate_functions::calc_grp_residual): New method.
6083         (Arm_relocate_functions::calc_grp_gn): New method.
6084         (Arm_relocate_functions::arm_grp_alu): New Method.
6085         (Arm_relocate_functions::arm_grp_ldr): New Method.
6086         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6087         (Arm_relocate_functions::arm_grp_ldc): New Method.
6088         (Target_arm::Scan::local): Handle the ARM group relocations.
6089         (Target_arm::Scan::global): Likewise.
6090         (Target_arm::Relocate::relocate): Likewise.
6091         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6092         Likewise.
6093
6094 2010-01-26  Doug Kwan  <dougkwan@google.com>
6095
6096         * arm.cc (set): Include.
6097         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6098         pointer type.
6099         (Arm_output_section::Text_section_list): New type.
6100         (Arm_output_section::append_text_sections_to_list): New method.
6101         (Arm_output_section::fix_exidx_coverage): Ditto.
6102         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6103         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6104         Relobj::set_section_offset() instead of
6105         Sized_relobj::invalidate_section_offset().
6106         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6107         parameter for section headers. Ignore relocation sections for
6108         unallocated sections and EXIDX sections.
6109         (Target_arm::fix_exidx_coverage): New method.
6110         (Target_arm::output_section_address_less_than): New type.
6111         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6112         linked text section instead of the EXIDX section.
6113         (Arm_output_section::create_stub_group): Add an assertion to check
6114         that this is not an EXIDX output section.
6115         (Arm_output_section::append_text_sections_to_list): New method.
6116         (Arm_output_section::fix_exidx_coverage): Ditto.
6117         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6118         Arm_relobj::section_needs_reloc_stub_scanning.
6119         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6120         first pass.
6121         (Target_arm::fix_exidx_coverage): New method.
6122         * object.h (Relobj::set_output_section): New method.
6123         (Sized_relobj::invalidate_section_offset): Remove method.
6124         (Sized_relobj::do_invalidate_section_offset): Remove method.
6125         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6126
6127 2010-01-25  Doug Kwan  <dougkwan@google.com>
6128
6129         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6130         Fix warning due to signed and unsigned comparison on a 32-bit host.
6131
6132 2010-01-22  Doug Kwan  <dougkwan@google.com>
6133
6134         * arm.cc (Target_arm::do_relax): Record an output section for section
6135         offset adjustment it contains any stub table that has changed.
6136         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6137         offsets in an output section if necessary.
6138         * output.cc (Output_section::Output_section): Initialize
6139         section_offsets_need_adjustments_.
6140         (Output_section::add_input_section_for_script): Renamed to
6141         Output_section::add_simple_input_section.
6142         (Output_section::save_states): Add a comment.
6143         (Output_section::discard_states): New method defintion.
6144         (Output_section::adjust_section_offsets): Same.
6145         * output.h (Output_section::add_input_section_for_script): Renamed to
6146         Output_section::add_simple_input_section.
6147         (Output_section::discard_states): New method declaration.
6148         (Output_section::adjust_section_offsets): Same.
6149         (Output_section::section_offsets_need_adjustment,
6150         Output_section::set_section_offsets_need_adjustment): New method
6151         definitions.
6152         (Output_section::section_offsets_need_adjustment_): New data member.
6153         * script-sections.cc
6154         (Output_section_element_input::set_section_address): Adjust code for
6155         renaming of Output_section::add_input_section_for_script.
6156         (Orphan_output_section::set_section_address): Same.
6157
6158 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6159
6160         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6161         Fix_v4bx enum values .
6162         * gold/options.h (General_options): New option definitions.
6163         (General_options::fix_v4bx): New method.
6164         (General_options::Fix_v4bx): New enum.
6165         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6166         (General_options::parse_fix_v4bx_interworking): New method.
6167
6168 2010-01-22  Doug Kwan  <dougkwan@google.com>
6169
6170         * arm.cc (Arm_exidx_fixup): New class.
6171
6172 2010-01-21  Doug Kwan  <dougkwan@google.com>
6173
6174         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6175         classes.
6176         (Arm_exidx_section_offset_map): New type.
6177
6178 2010-01-21  Doug Kwan  <dougkwan@google.com>
6179
6180         * arm.cc (Arm_exidx_input_section): New class.
6181         (Arm_relobj::exidx_input_section_by_link,
6182         Arm_relobj::exidx_input_section_by_shndx,
6183         Arm_relobj::make_exidx_input_section): New methods.
6184         (read_arm_attributes_section): Remove.
6185         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6186         information about them.
6187         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6188         to here.
6189
6190 2010-01-20  Doug Kwan  <dougkwan@google.com>
6191
6192         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6193         Input_section_specifier to Section_id.
6194         (Target_arm::new_arm_input_section: Adjust code for change of key
6195         type.
6196         (Target_arm::find_arm_input_section): Ditto.
6197         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6198         (Section_id): Remove.
6199         (Garbage_collection::Section_id_hash): Remove.
6200         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6201         (Section_id): Remove.
6202         (Icf::Section_id_hash): Remove.
6203         * object.h (Section_id, Const_section_id, Section_id_hash,
6204         Const_section_id_hash): New type definitions.
6205         * output.cc (Output_section::add_relaxed_input_section): Change to
6206         use Const_section_id instead of Input_section_specifier as key type.
6207         (Output_section::add_merge_input_section): Ditto.
6208         (Output_section::build_relaxation_map): Change to use Section_id
6209         instead of Input_section_specifier as key type.
6210         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6211         Ditto.
6212         (Output_section::convert_input_sections_to_relaxed_sections): Change
6213         to use Const_section_id instead of Input_section_specifier as key type.
6214         (Output_section::find_merge_section): Ditto.
6215         (Output_section::find_relaxed_input_section): Ditto.
6216         * output.h (Input_section_specifier): Remove class.
6217         (Output_section::Output_section_data_by_input_section_map): Change
6218         key type to Const_section_id.
6219         (Output_section::Output_relaxed_input_section_by_input_section_map):
6220         Ditto.
6221         (Output_section::Relaxation_map): Change key type to Section_id.
6222
6223 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6224
6225         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6226         (class Arm_v4bx_stub): New class.
6227         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6228         (Stub_factory::make_arm_v4bx_stub): New method.
6229         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6230         (Stub_table::empty): Handle v4bx stubs.
6231         (Stub_table::add_arm_v4bx_stub): New method.
6232         (Stub_table::find_arm_v4bx_stub): New method.
6233         (Arm_relocate_functions::v4bx): New method.
6234         (Target_arm::fix_v4bx): New method.
6235         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6236         (Stub_table::relocate_stubs): Likewise.
6237         (Stub_table::do_write): Likewise.
6238         (Stub_table::update_data_size_and_addralign): Likewise.
6239         (Stub_table::finalize_stubs):  Likewise.
6240         (Target_arm::Scan::local): Likewise.
6241         (Target_arm::Scan::global): Likewise.
6242         (Target_arm::do_finalize_sections): Likewise.
6243         (Target_arm::Relocate::relocate): Likewise.
6244         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6245         Likewise.
6246         (Target_arm::scan_reloc_for_stub): Likewise.
6247         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6248
6249 2010-01-19  Ian Lance Taylor  <iant@google.com>
6250
6251         * output.cc (Output_section_headers::do_sized_write): Write large
6252         segment count to sh_info field.
6253         (Output_file_header::do_sized_write): For large segment count,
6254         write PN_XNUM to e_phnum field.
6255
6256 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6257
6258         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6259         (Arm_relocate_functions::thm_jump8): New function.
6260         (Arm_relocate_functions::thm_jump11): New function.
6261         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6262         R_ARM_THM_JUMP11.
6263         (Target_arm::Scan::global): Likewise.
6264         (Target_arm::Relocate::relocate): Likewise.
6265         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6266         Likewise.
6267
6268 2010-01-14  Doug Kwan  <dougkwan@google.com>
6269
6270         * arm.cc (map, utility): Include headers.
6271         (Target_arm::apply_cortex_a8_workaround): New method.
6272         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6273         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6274         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6275         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6276         the --[no-]fix-cortex-a8 command line options.
6277         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6278         (Target_arm::relocate_stub): Use addend in instruction template.
6279         * options.h (DEFINE_bool): Set the user-set flag.
6280         (General_options): Add --[no-]-fix-cortex options.
6281         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6282         : Update fast look-up map after conversion.
6283
6284 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6285
6286         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6287         in the first pass of do_layout.
6288
6289 2010-01-13  Doug Kwan  <dougkwan@google.com>
6290
6291         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6292         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6293         apparent compiler problem of not folding static constant integral
6294         data members of elfcpp::Elf_sizes<32>.
6295
6296 2010-01-13  Doug Kwan  <dougkwan@google.com>
6297
6298         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6299         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6300         Arm_relobj::scan_section_for_cortex_a8_erratum,
6301         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6302         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6303         sections to scan for relocation stubs into a new method
6304         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6305         relocation and Cortex-A8 stub scanning.
6306         (Target_arm::do_relax): Force stubs to be after stubbed sections
6307         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6308         the beginning of a new relaxation pass.  Update a comment.
6309         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6310
6311 2010-01-12  Ian Lance Taylor  <iant@google.com>
6312
6313         * target-reloc.h (visibility_error): New inline function.
6314         (relocate_section): Call visibility_error.
6315         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6316         (MOSTLYCLEANFILES): Likewise.
6317         (protected_4_pic.o, protected_3.err): New targets.
6318         * testsuite/protected_4.cc: New file.
6319
6320 2010-01-12  Doug Kwan  <dougkwan@google.com>
6321
6322         * arm.cc (Cortex_a8_reloc): New class.
6323         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6324         and cortex_a8_relocs_info_.
6325         (Target_arm::fix_cortex_a8): New method definition.
6326         (Target_arm::Cortex_a8_relocs_info): New type.
6327         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6328         New data member declarations.
6329         (Target_arm::scan_reloc_for_stub): Record information about
6330         relocations for THUMB branches that might be exempted from the
6331         Cortex-A8 workaround.
6332         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6333         at the beginning of a relaxation pass.
6334
6335 2010-01-12  Doug Kwan  <dougkwan@google.com>
6336
6337         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6338         (Arm_relobj::Mapping_symbol_position,
6339          Arm_reloj::Mapping_symbol_position_less,
6340          Arm_relobj::Mapping_symbols_info): New types.
6341         (Target_arm::is_mapping_symbol_name): New method definition.
6342         (Arm_relobj::do_count_local_symbols): Save information about mapping
6343         symbols.
6344
6345 2010-01-11  Doug Kwan  <dougkwan@google.com>
6346
6347         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6348         Arm_relocate_functions::thumb32_branch_upper,
6349         Arm_relocate_functions::thumb32_branch_lower,
6350         Arm_relocate_functions::thumb32_cond_branch_offset,
6351         Arm_relocate_functions::thumb32_cond_branch_upper,
6352         Arm_relocate_functions::thumb32_cond_branch_lower,
6353         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6354         branch offset encoding.
6355         (Arm_relocate_functions::thumb_branch_common): Use new branch
6356         offset encoding methods to avoid code duplication.
6357         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6358         (Stub_addend_reader::operator()): Use new branch encoding method
6359         to avoid code duplication.
6360
6361 2010-01-11  Doug Kwan  <dougkwan@google.com>
6362
6363         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6364         (Target_arm::do_finalize_sections): Define special EXIDX section
6365         symbols only if referenced.
6366         * gc.h (Garbage_collection::add_reference): New method.
6367         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6368         code duplication.
6369
6370 2010-01-11  Ian Lance Taylor  <iant@google.com>
6371
6372         * script.cc (Version_script_info::build_expression_list_lookup):
6373         Change complaing about duplicate wildcard match from error to
6374         warning.
6375
6376         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6377         of 2009-12-30.
6378         (Version_script_info::Version_script_info): Initialize globs_,
6379         default_version_, default_is_global_, and exact_.  Don't
6380         initialize globals_ or locals_.
6381         (Version_script_info::build_lookup_tables): Build local symbols
6382         first.
6383         (Version_script_info::unquote): New function.
6384         (Version_script_info::add_exact_match): New function.
6385         (Version_script_info::build_expression_list_lookup): Remove lookup
6386         parameter.  Add is_global parameter.  Change all callers.  Handle
6387         wildcard pattern specially.  Unquote pattern.  Call
6388         add_exact_match.
6389         (Version_script_info::get_name_to_match): New function.
6390         (Version_script_info::get_symbol_version): New function.
6391         (Version_script_info::get_symbol_version_helper): Remove.
6392         (Version_script_info::check_unmatched_names): Call unquote.
6393         * script.h (class Version_script_info): Change get_symbol_version
6394         to be non-inline and add is_global parameter; change all callers.
6395         Rewrite symbol_is_local.  Update declarations.  Define struct
6396         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6397         Remove globals_ and locals_ members.  Add exact_, globs_,
6398         default_version_, is_global_.
6399         (Version_script_info::Glob): Remove pattern, add expression and
6400         is_global.  Update constructor.  Change all callers.
6401         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6402         default version.
6403         (Versions::symbol_section_contents): If a symbol is undefined, or
6404         defined in a dynamic object, set the version index to
6405         VER_NDX_LOCAL.
6406         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6407         symbol_is_local.
6408         (Symbol_table::add_from_pluginobj): Likewise.
6409         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6410
6411 2010-01-11  Doug Kwan  <dougkwan@google.com>
6412
6413         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6414         (incremental_dump_LDADD): Add linking option for libintl.
6415         * Makefile.in: Regenerate.
6416
6417 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6418
6419         PR gold/11144
6420         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6421         instead of -Ds.
6422         * testsuite/Makefile.in: Regenerated.
6423
6424 2010-01-10  Doug Kwan  <dougkwan@google.com>
6425
6426         * options.h (DEFINE_var): Use parentheses around argument varname__
6427         in macro body to avoid any unintended subsequent substitutions.
6428
6429 2010-01-10  Ian Lance Taylor  <iant@google.com>
6430
6431         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6432         candidates before doing symbol resolution.
6433
6434         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6435         ODR candidates if only one is weak.
6436
6437 2010-01-08  Ian Lance Taylor  <iant@google.com>
6438
6439         * script.cc (Version_script_info::build_expression_list_lookup):
6440         Don't warn about ambiguous version, just record the ambiguity.
6441         (Version_script_info::get_symbol_version_helper): Give error if
6442         version is ambiguous.
6443
6444 2010-01-08  Doug Kwan  <dougkwan@google.com>
6445
6446         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6447           prev_data_size_ and prev_addralign_.  Remove initializer for
6448           deleted data member has_been_changed_.
6449           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6450           to determine if the table is empty.
6451           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6452           Remove.
6453           (Stub_table::add_reloc_stub): Define method in class definition
6454           instead of just declaring it there.
6455           (Stub_table::add_cortex_a8_stub): New method definition.
6456           (Stub_table::update_data_size_and_addralign): Ditto.
6457           (Stub_table::finalize_stubs): Ditto.
6458           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6459           (Stub_table::do_addralign_): Return address alignment in the
6460           (Stub_table::do_reset_address_and_file_offset): Define method in
6461           class definition instead of declaring it there.  Set current data
6462           size to be the data size of the previous pass.
6463           (Stub_table::set_final_data_size): Use current data size as the
6464           final data size.
6465           (Stub_table::relocate_stub): Change parameter type of stub from
6466           Reloc_stub pointer to Stub pointer.
6467           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6468           (Stub_table::Cortex_a8_stub_list): New typedef.
6469           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6470            Stub_table::prev_addralign_): New data member.
6471           (Arm_relobj::Arm_relobj): Initialize data member
6472           section_has_cortex_a8_workaround_.
6473           (Arm_relobj::section_has_cortex_a8_workaround,
6474            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6475            definitions.
6476           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6477           declarations.
6478           (Target_arm::relocate_stub): Change parameter type of stub from
6479           Reloc_stub pointer to Stub pointer.
6480           (Insn_template::size, Insn_template::alignment): Handle
6481           THUMB16_SPECIAL_TYPE.
6482           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6483            Stub_table::update_data_size_and_addralign,
6484            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6485           definitions.
6486           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6487           (Stub_table::do_write): Ditto.
6488           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6489
6490 2010-01-08  Ian Lance Taylor  <iant@google.com>
6491
6492         PR 11108
6493         * symtab.h (class Symbol): Remove fields is_target_special_ and
6494         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6495         (Symbol::is_defined_in_discarded_section): New function.
6496         (Symbol::set_is_defined_in_discarded_section): New function.
6497         (Symbol::has_plt_offset): Rewrite.
6498         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6499         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6500         Don't initialize is_target_special_ or has_plt_offset_.
6501         Initialize is_defined_in_discarded_section_.
6502         (Symbol_table::add_from_relobj): If appropriate, set
6503         is_defined_in_discarded_section.
6504         * resolve.cc (Symbol::override_base_with_special): Don't test
6505         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6506         * target-reloc.h (relocate_section): Do special handling for
6507         symbols defined in discarded sections for global symbols as well
6508         as local symbols.
6509
6510 2010-01-08  Ian Lance Taylor  <iant@google.com>
6511
6512         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6513         the SHT_SYMTAB case.
6514
6515 2010-01-08  Ian Lance Taylor  <iant@google.com>
6516
6517         * object.cc (Sized_relobj::do_layout): Don't get confused if
6518         layout_eh_frame returns NULL.
6519
6520 2010-01-08  Ian Lance Taylor  <iant@google.com>
6521
6522         PR 11084
6523         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6524         dynamic symbol table, use the normal symbol table.
6525         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6526         symbol table.
6527
6528 2010-01-08  Ian Lance Taylor  <iant@google.com>
6529
6530         PR 11072
6531         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6532         sections.
6533
6534 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6535
6536         * version.cc (print_version): Change to "Copyright 2010".
6537
6538 2010-01-08  Ian Lance Taylor  <iant@google.com>
6539
6540         PR 10287
6541         PR 11063
6542         * i386.cc (class Target_i386): Change return type of plt_section
6543         to be non-const.
6544         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6545         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6546         tls_desc_rel_ field.
6547         (Output_data_plt_i386::rel_tls_desc): New function.
6548         (Target_i386::rel_tls_desc_section): New function.
6549         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6550         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6551         R_386_TLS_DESC reloc in rel_tls_desc_section.
6552         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6553         Define struct Tlsdesc_info.
6554         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6555         (Target_x86_64::do_reloc_symbol_index): New function.
6556         (Target_x86_64::add_tlsdesc_info): New function.
6557         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6558         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6559         tlsdesc_rel_ field.
6560         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6561         all callers.
6562         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6563         (Target_x86_64::rela_tlsdesc_section): New function.
6564         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6565         handling.
6566         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6567         (Target_x86_64::do_reloc_addend): New function.
6568         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6569         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6570         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6571         (Output_reloc::type): New function.
6572         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6573         (Output_reloc::is_target_specific): New function.
6574         (Output_reloc::target_arg): New function.
6575         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6576         absolute relocs and target specific relocs.
6577         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6578         add_target_specific.
6579         (class Output_data_reloc) [SHT_RELA]: Likewise.
6580         * output.cc (Output_reloc::Output_reloc): Add four new versions
6581         for absolute relocs and target specific relocs.
6582         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6583         (Output_reloc::get_symbol_index): Likewise.
6584         (Output_reloc::local_section_offset): Check that local_sym_index_
6585         is not TARGET_CODE or 0.
6586         (Output_reloc::symbol_value): Likewise.
6587         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6588         reloc.
6589         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6590         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6591         functions.
6592         * layout.cc (add_target_dynamic_tags): Use output section for
6593         DT_PLTRELSZ and DT_JMPREL.
6594
6595 2010-01-07  Ian Lance Taylor  <iant@google.com>
6596
6597         PR 11061
6598         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6599         function.
6600         (class Output_data_reloc_generic): Define.
6601         (class Output_data_reloc_base): Change base class to
6602         Output_data_reloc_generic.  Change add() method to call
6603         bump_relative_reloc_count for a relative reloc.  Remove
6604         sort_relocs_ field.
6605         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6606         to sort_relocs().
6607         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6608         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6609         appropriate.
6610         * layout.h (class Layout): Update declaration.
6611
6612 2010-01-07  Ian Lance Taylor  <iant@google.com>
6613
6614         * output.h (class Output_data): Add const version of
6615         output_section and do_output_section.
6616         (class Output_section_data): Add const version of
6617         do_output_section.
6618         (class Output_section): Likewise.
6619         * layout.cc (Layout::add_target_dynamic_tags): New function.
6620         * layout.h (class Layout): Update declarations.
6621         * arm.cc (Target_arm::do_finalize_sections): Use
6622         add_target_dynamic_tags.
6623         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6624         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6625         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6626         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6627
6628 2010-01-07  Ian Lance Taylor  <iant@google.com>
6629
6630         PR 11042
6631         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6632         object as needed.
6633
6634 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6635             Ian Lance Taylor  <iant@google.com>
6636
6637         PR 11019
6638         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6639         Xindex::read_symtab_xindex.
6640
6641 2010-01-07  Doug Kwan  <dougkwan@google.com>
6642
6643         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6644         (Insn_template::thumb16_bcond_insn): New method declaration.
6645         (Insn_template): Fix spelling.
6646         (Stub::thumb16_special): New method declaration.
6647         (Stub::do_write): Define virtual method which was previously pure
6648         virtual.
6649         (Stub::do_thumb16_special): New method declaration.
6650         (Stub::do_fixed_endian_write): New template member.
6651         (Reloc_stub::do_write): Remove.
6652         (Reloc_stub::do_fixed_endian_write): Remove.
6653         (Cortex_a8_stub): New class definition.
6654         (Stub_factory::make_cortex_a8_stub): New method definition.
6655         (Stub_factory::Stub_factory): Add missing static storage class
6656         qualifier for elf32_arm_stub_a8_veneer_blx.
6657
6658 2010-01-07  Ian Lance Taylor  <iant@google.com>
6659
6660         PR 10980
6661         * options.h (class General_options): Add --warn-unresolved-symbols
6662         and --error-unresolved-symbols.
6663         * errors.cc (Errors::undefined_symbol): Implement
6664         --warn-unresolved-symbols.
6665
6666         * options.h (class General_options): Add -z text and -z textoff.
6667         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6668
6669 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6670
6671         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6672         (Garbage_collection::cident_sections): New function.
6673         (Garbage_collection::add_cident_section): New function.
6674         (Garbage_collection::cident_sections_): New member.
6675         (gc_process_relocs): Add references to sections whose names are C
6676         identifiers.
6677         * gold.h (cident_section_start_prefix): New constant.
6678         (cident_section_stop_prefix): New constant.
6679         (is_cident): New function.
6680         * layout.cc (Layout::define_section_symbols): Replace string constants
6681         with the newly defined constants.
6682         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6683         C identifiers.
6684         * testsuite/Makefile.am: Add gc_orphan_section_test.
6685         * testsuite/Makefile.in: Regenerate.
6686         * testsuite/gc_orphan_section_test.cc: New file.
6687         * testsuite/gc_orphan_section_test.sh: New file.
6688
6689 2010-01-06  Ian Lance Taylor  <iant@google.com>
6690
6691         PR 10980
6692         * options.h (class General_options): Add --warn-shared-textrel.
6693         * layout.cc (Layout::finish_dynamic_section): Implement
6694         --warn-shared-textrel.
6695
6696         PR 10980
6697         * options.h (class General_options): Add --warn-multiple-gp.
6698
6699 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6700
6701         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6702         $(THREADSLIB) and $(LIBDL).
6703         * Makefile.in: Rebuild.
6704
6705 2010-01-06  Ian Lance Taylor  <iant@google.com>
6706
6707         PR 10980
6708         * options.cc (General_options::parse_section_start): New function.
6709         (General_options::section_start): New function.
6710         (General_options::General_options): Initialize all members.
6711         * options.h: Include <map>
6712         (class General_options): Add --section-start.  Add section_starts_
6713         member.
6714         * layout.cc (Layout::attach_allocated_section_to_segment): If
6715         --section-start was used, set the address of the segment.  Remove
6716         local sort_sections.
6717         (Layout::relaxation_loop_body): If the address of the load segment
6718         has been set by --section-start, don't use it.
6719         * output.h (Output_segment::update_flags_for_output_section): New
6720         function.
6721         * output.cc (Output_segment::add_output_section): Call
6722         update_flags_for_output_section.
6723
6724 2010-01-05  Ian Lance Taylor  <iant@google.com>
6725
6726         PR 10980
6727         * options.h (class General_options): Add --undefined-version.
6728         * script.cc (struct Version_expression): Add was_matched_by_symbol
6729         field.
6730         (Version_script_info::matched_symbol): New function.
6731         (Version_script_info::get_symbol_version_helper): Call
6732         matched_symbol.
6733         (Version_script_info::check_unmatched_names): New function.
6734         * script.h (class Version_script_info): Update declarations.
6735         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6736
6737         * options.h (class General_options): Use DEFINE_bool_alias for
6738         allow_multiple_definition.
6739         * resolve.cc (Symbol_table::should_override): Don't test
6740         allow_multiple_definition.
6741
6742         PR 10980
6743         * options.h (class General_options): Add --cref.
6744         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6745         until after printing cref table.
6746         * cref.cc: Include "symtab.h".
6747         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6748         (Cref_table_compare::operator()): New function.
6749         (Cref_inputs::gather_cref): New function.
6750         (filecol): New static const.
6751         (Cref_inputs::print_cref): New function.
6752         (Cref::print_cref): New function.
6753         * cref.h: Include <cstdio>.
6754         (class Cref): Update declarations.
6755         * mapfile.h (Mapfile::file): New function.
6756         * object.h (class Object): Define Symbols.  Declare virtual
6757         do_get_global_symbols.
6758         (Object::get_global_symbols): New function.
6759         * object.cc (Input_objects::add_object): Pass object to cref_ if
6760         --cref.
6761         (Input_objects::archive_start): Likewise.
6762         (Input_objects::archive_stop): Likewise.
6763         (Input_objects::print_cref): New function.
6764         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6765         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6766         --cref.
6767         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6768         function.
6769         * plugin.h (class Sized_pluginobj): Update declarations.
6770
6771 2010-01-05  Ian Lance Taylor  <iant@google.com>
6772
6773         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6774         to is_default_version.  Rename insdef to insdefault.
6775         (Symbol_table::add_from_relobj): Rename def to is_default_version
6776         and local to is_forced_local.
6777         (Symbol_table::add_from_pluginobj): Likewise.
6778         (Symbol_table::add_from_dynobj): Likewise.
6779         (Symbol_table::define_special_symbol): Rename insdef to
6780         insdefault.
6781
6782 2010-01-04  Ian Lance Taylor  <iant@google.com>
6783
6784         PR 10980
6785         * options.h (class General_options): Add
6786         --allow-multiple-definition and -z muldefs.
6787         * resolve.cc (Symbol_table::should_override): Don't warn about a
6788         multiple symbol definition if --allow-multiple-definition or -z
6789         muldefs.
6790
6791         PR 10980
6792         * options.h (class General_options): Add --add-needed and
6793         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6794         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6795         error if --copy-dt-needed-entries aka --add-needed is used and
6796         would cause a change in behaviour.
6797
6798         PR 10980
6799         * options.h (class General_options): Add -G as a short version of
6800         --shared.  Add no-op options -assert, -g, and -i.
6801
6802 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6803
6804         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6805         check for .text or .gnu.linkonce.t sections.
6806         * icf.cc (Icf::find_identical_sections): Ditto.
6807         Change the detection for mangled function name within the section
6808         name.
6809         * icf.h (is_section_foldable_candidate): New function.
6810
6811 2009-12-30  Ian Lance Taylor  <iant@google.com>
6812
6813         PR 10980
6814         * options.h (class General_options): Permit two dashes with
6815         --retain-symbols-file.
6816
6817 2009-12-30  Ian Lance Taylor  <iant@google.com>
6818
6819         PR 10979
6820         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6821         don't put the file header and segment headers in the text
6822         segment.
6823
6824         PR 10979
6825         * common.cc (Sort_commons::operator()): Stabilize sort when both
6826         entries are NULL.
6827         (Symbol_table::do_allocate_commons_list): When allocating common
6828         symbols, skip a symbol which is no longer common.
6829         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6830         an object before checking its type.
6831         * testsuite/common_test_2.c: New file.
6832         * testsuite/common_test_3.c: New file.
6833         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6834         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6835         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6836         (common_test_2_pic.o, common_test_2.so): New targets.
6837         (common_test_3_pic.o, common_test_3.so): New targets.
6838         * testsuite/Makefile.in: Rebuild.
6839
6840         PR 10979
6841         * script.cc (read_input_script): If we see a new SECTIONS clause,
6842         and we have added an input section, give an error.
6843         * layout.h (class Layout): Add have_added_input_section function.
6844         Add have_added_input_section_ field.
6845         * layout.cc (Layout::Layout): Initialize
6846         have_added_input_section_.
6847         (Layout::layout): Set have_added_input_section_.
6848         (Layout::layout_eh_frame): Likewise.
6849
6850 2009-12-30  Ian Lance Taylor  <iant@google.com>
6851
6852         PR 10931
6853         * options.h (class General_options): Add --sort-common option.
6854         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6855         * common.cc (Sort_common): Add sort_order parameter to
6856         constructor.  Add sort_order_ field.
6857         (Sort_commons::operator): Check sort_order_.
6858         (Symbol_table::allocate_commons): Determine the sort order.
6859         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6860         Change all callers.
6861         (Symbol_table::do_allocate_commons_list): Likewise.
6862
6863 2009-12-30  Ian Lance Taylor  <iant@google.com>
6864
6865         PR 10916
6866         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6867         symbols from this object, don't change the visibility of an
6868         undefined symbol.
6869         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6870
6871 2009-12-30  Ian Lance Taylor  <iant@google.com>
6872
6873         PR 10861
6874         * script.h (class Version_script_info): Define Language enum.
6875         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6876         new fields globals_, locals_, and is_finalized_.
6877         * script.cc: Various formatting fixes.
6878         (class Parser_closure): Change language_stack_ from a vector of
6879         std::string to one of Version_script_info::Language.  Adjust all
6880         uses accordingly.
6881         (class Lazy_demangler): Remove.
6882         (struct Version_expression): Change language from std::string to
6883         Version_script_info::Language.
6884         (Version_script_info::Version_script_info): New function.
6885         (Version_script_info::~Version_script_info): Don't call clear.
6886         (Version_script_info::finalize): New function.
6887         (Version_script_info::build_lookup_tables): New function.
6888         (Version_script_info::build_expression_list_lookup): New
6889         function.
6890         (Version_script_info::get_symbol_version_helper): Rewrite to use
6891         lookup tables.
6892         (Version_script_info::print_expression_list): Adjust to use
6893         Version_script_info::Language.
6894         (script_push_lex_into_version_mode): Check that the version script
6895         has not been finalized.
6896         (version_script_push_lang): Change language string to
6897         Version_script_info::Language.
6898         * options.cc (Command_line::version_script): New function.
6899         * options.h (class General_options): Add finalize_dynamic_list
6900         function.  Change version_script from declaration to definition.
6901         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6902         * testsuite/version_script.map: Remove duplicate def of foo.
6903         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6904         version_script.map.
6905         * testsuite/Makefile.in: Rebuild.
6906
6907 2009-12-30  Ian Lance Taylor  <iant@google.com>
6908
6909         PR 10843
6910         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6911         if the input symbol index is 0, make the output symbol index 0.
6912
6913 2009-12-30  Ian Lance Taylor  <iant@google.com>
6914
6915         PR 10670
6916         * options.h (class General_options): Add -x/--discard-all.
6917         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6918         --discard-all.  If the local symbol needs a dynamic entry, check
6919         that before handling --discard-locals.
6920
6921 2009-12-30  Ian Lance Taylor  <iant@google.com>
6922
6923         PR 10450
6924         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6925         flags to PF_R.
6926         (Output_segment::add_output_section): Don't change the flags if
6927         the type is PT_TLS.
6928
6929         PR 10450
6930         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6931         GNU hash table if they need a dynamic value.  Otherwise, don't add
6932         them if they are defined in a dynamic object or are forced local.
6933
6934 2009-12-29  Ian Lance Taylor  <iant@google.com>
6935
6936         PR 10450
6937         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6938         .gnu.hash table for a 32-bit target.
6939
6940         PR 10450
6941         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6942         regular and a dynamic object only needs a dynamic symbol table
6943         entry if it is externally visible.
6944
6945         PR 10450
6946         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6947         constructor.  Add global_offset_table_ field.
6948         (Target_i386::got_section): Set global_offset_table_.
6949         (Target_i386::do_finalize_sections): Set global_offset_table_
6950         size.
6951         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6952         in constructor.  Add global_offset_table_ field.
6953         (Target_x86_64::got_section): Set global_offset_table_.
6954         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6955         size.
6956
6957         * layout.cc (Layout::Layout): Initialize increase_relro_.
6958         (Layout::get_output_section): Add is_relro, is_last_relro, and
6959         is_first_non_relro parameters.  Change all callers.
6960         (Layout::choose_output_section): Likewise.
6961         (Layout::add_output_section_data): Likewise.
6962         (Layout::make_output_section): Likewise.
6963         (Layout::set_segment_offsets): Clear increase_relro when using a
6964         linker script.
6965         * layout.h (class Layout): Add increase_relro method.  Add
6966         increase_relro_ field.  Update declarations.
6967         * output.cc (Output_section::Output_section): Initialize
6968         is_last_relro_ and is_first_non_relro_.
6969         (Output_segment::add_output_section): Group relro sections is
6970         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6971         (Output_segment::maximum_alignment): Remove relro handling.
6972         (Output_segment::set_section_addresses): Add increase_relro
6973         parameter.  Change all callers.  Add initial alignment to align
6974         relro sections on separate page.  Remove old relro handling.
6975         (Output_segment::set_section_list_addresses): Remove in_relro
6976         parameter.  Change all callers.
6977         (Output_segment::set_offset): Add increase parameter.  Change all
6978         callers.  Remove old relro handling.
6979         * output.h (class Output_section): Add new methods: is_last_relro,
6980         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6981         Add is_last_relro_ and is_first_non_relro_ fields.
6982         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6983         Create separate .got.plt section.  Call increase_relro.
6984         * x86_64.cc (Target_x86_64::got_section): Likewise.
6985         * testsuite/relro_script_test.t: Add .got.plt.
6986
6987         PR 10450
6988         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6989         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6990         (Layout::finalize): Call set_dynamic_symbol_size.
6991         (Layout::set_dynamic_symbol_size): New function.
6992         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6993         set_dynamic_symbol_size.
6994
6995         PR 10450
6996         * output.h (class Output_section): Add is_entsize_zero_ field.
6997         * output.cc (Output_section::Output_section): Initialize
6998         is_entsize_zero_.
6999         (Output_section::set_entsize): If two different entsizes are
7000         requested, force it to zero.
7001         (Output_section::add_input_section): Set flags for .debug_str
7002         before updating section flags.  Set entsize.
7003         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7004         and SHF_STRING if all input sections have those flags.
7005
7006 2009-12-29   Rafael Espindola  <espindola@google.com>
7007
7008         * main.cc (main): Fix the sys time reporting.
7009         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7010         reporting.
7011
7012 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7013
7014         * options.cc (General_options::parse_version): Allow -v to exit
7015         without an error if there is nothing to link.
7016
7017 2009-12-29  Ian Lance Taylor  <iant@google.com>
7018
7019         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7020         using a version of gcc before 4.1.
7021         * configure: Rebuild.
7022
7023 2009-12-28  Chris Demetriou  <cgd@google.com>
7024
7025         * attributes.cc (Output_attributes_section_data::do_write): Use
7026         std::vector::front rather than std::vector::data.
7027
7028 2009-12-28  Ian Lance Taylor  <iant@google.com>
7029
7030         * symtab.h (class Symbol_table): Add enum Defined.
7031         * resolve.cc (Symbol_table::should_override): Add defined
7032         parameter.  Change all callers.  Test whether object is NULL
7033         before calling a method on it.
7034         (Symbol_table::report_resolve_problem): Add defined parameter.
7035         Change all callers.
7036         (Symbol_table::should_override_with_special): Likewise.
7037         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7038         parameter.  Change all callers.
7039         (Symbol_table::do_define_in_output_data): Likewise.
7040         (Symbol_table::define_in_output_segment): Likewise.
7041         (Symbol_table::do_define_in_output_segment): Likewise.
7042         (Symbol_table::define_as_constant): Likewise.
7043         (Symbol_table::do_define_as_constant): Likewise.
7044         * script.h (class Symbol_assignment): Add is_defsym parameter to
7045         constructor; change all callers.
7046         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7047         parameter.  Change all callers.  Add is_defsym_ field.
7048         (class Parser_closure): Add parsing_defsym parameter to
7049         constructor; change all callers.  Add parsing_defsym accessor
7050         function.  Add parsing_defsym_ field.
7051
7052 2009-12-28  Ian Lance Taylor  <iant@google.com>
7053
7054         * gold.cc (queue_middle_tasks): Fix formatting.
7055         * object.cc (Relobj::is_section_name_included): Likewise.
7056
7057 2009-12-23  Ian Lance Taylor  <iant@google.com>
7058
7059         * i386.cc (Target_i386::do_calls_non_split): Recognize
7060         -fsplit-stack prologue for a function with a static chain.
7061         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7062         -fsplit-stack prologue when using %r11.
7063
7064 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7065
7066         * options.cc (General_options::parse_version): Make -v continue and do
7067         the link like GNU ld does.
7068
7069 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7070
7071         * Makefile.am (CCFILES): Add timer.cc.
7072         (HFILES): Add timer.h.
7073         * configure.ac: Check for sysconf and times.
7074         * main.cc: include timer.h.
7075         (main): Use Timer instead of get_run_time.
7076         * timer.cc: New.
7077         * timer.h: New.
7078         * workqueue.cc: include timer.h.
7079         (Workqueue::find_and_run_task):
7080         Report user, sys and wall time.
7081         * Makefile.in: Regenerate.
7082         * config.in: Regenerate.
7083         * configure: Regenerate.
7084
7085 2009-12-16  Doug Kwan  <dougkwan@google.com>
7086
7087         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7088         sections.
7089         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7090         relaxed input sections.
7091         * output.cc (Output_section::find_relaxed_input_section): Change
7092         return type to Output_relaxed_input_section pointer.  Adjust code
7093         for new type of relaxed_input_section_map_.
7094         * output.h (Output_section::find_relaxed_input_section): Change
7095         return type to Output_relaxed_input_section pointer.
7096         (Output_section::Output_relaxed_input_section_by_input_section_map):
7097         New type.
7098         (Output_section::relaxed_input_section_map_): Change type to
7099         Output_section::Output_relaxed_input_section_by_input_section_map.
7100         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7101         input section.
7102
7103 2009-12-15  Ian Lance Taylor  <iant@google.com>
7104
7105         * layout.cc (Layout::create_shstrtab): Only write out after input
7106         sections if we are compressing debug sections.
7107
7108 2009-12-15  Ian Lance Taylor  <iant@google.com>
7109
7110         * archive.cc (Archive::add_symbols): Only look up a symbol without
7111         a version if there is, in fact, a version.
7112
7113 2009-12-14  Ian Lance Taylor  <iant@google.com>
7114
7115         Revert -Wshadow changes, all changes from:
7116         2009-12-11  Doug Kwan  <dougkwan@google.com>
7117         2009-12-11  Nick Clifton  <nickc@redhat.com>
7118         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7119
7120 2009-12-11  Doug Kwan  <dougkwan@google.com>
7121
7122         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7123         due to -Wshadow.
7124         * attributes.cc (Object_attribute::size): Ditto.
7125         (Attributes_section_data::size): Ditto.
7126         (Attributes_section_data::Attributes_section_data): Ditto.
7127         (Output_attributes_section_data::do_write): Ditto.
7128         * attributes.h (Object_attribute::set_type): Ditto.
7129         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7130
7131 2009-12-11  Nick Clifton  <nickc@redhat.com>
7132
7133         * archive.cc: Fix shadowed variable warnings.
7134         * arm.cc: Likewise.
7135         * compressed_output.cc: Likewise.
7136         * compressed_output.h: Likewise.
7137         * configure: Likewise.
7138         * dwarf_reader.cc: Likewise.
7139         * dynobj.cc: Likewise.
7140         * dynobj.h: Likewise.
7141         * ehframe.cc: Likewise.
7142         * ehframe.h: Likewise.
7143         * errors.cc: Likewise.
7144         * expression.cc: Likewise.
7145         * fileread.cc: Likewise.
7146         * fileread.h: Likewise.
7147         * freebsd.h: Likewise.
7148         * i386.cc: Likewise.
7149         * icf.cc: Likewise.
7150         * incremental.h: Likewise.
7151         * layout.cc: Likewise.
7152         * layout.h: Likewise.
7153         * mapfile.cc: Likewise.
7154         * merge.cc: Likewise.
7155         * merge.h: Likewise.
7156         * object.cc: Likewise.
7157         * object.h: Likewise.
7158         * options.h: Likewise.
7159         * output.cc: Likewise.
7160         * output.h: Likewise.
7161         * parameters.cc: Likewise.
7162         * plugin.cc: Likewise.
7163         * powerpc.cc: Likewise.
7164         * reduced_debug_output.cc: Likewise.
7165         * reduced_debug_output.h: Likewise.
7166         * reloc.cc: Likewise.
7167         * reloc.h: Likewise.
7168         * resolve.cc: Likewise.
7169         * script-sections.cc: Likewise.
7170         * script.cc: Likewise.
7171         * script.h: Likewise.
7172         * sparc.cc: Likewise.
7173         * symtab.cc: Likewise.
7174         * symtab.h: Likewise.
7175         * target-select.cc: Likewise.
7176         * target-select.h: Likewise.
7177         * token.h: Likewise.
7178         * workqueue.cc: Likewise.
7179         * workqueue.h: Likewise.
7180         * x86_64.cc: Likewise.
7181
7182 2009-12-10  Doug Kwan  <dougkwan@google.com>
7183
7184         * arm.cc (attributes.h): New include.
7185         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7186         (Arm_relobj::~Arm_relobj): Delete object pointed by
7187         attributes_section_data_.
7188         (Arm_relobj::attributes_section_data): New method definition.
7189         (Arm_relobj::attributes_section_data_): New data member declaration.
7190         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7191         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7192         attributes_section_data_.
7193         (Arm_dynobj::attributes_section_data): New method definition.
7194         (Arm_dynobj::attributes_section_data_): New data member declaration.
7195         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7196         initialization value of may_use_blx_ to false.
7197         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7198         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7199         object attributes to compute results instead of hard-coding.
7200         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7201         Target_arm::get_secondary_compatible_arch,
7202         Target_arm::set_secondary_compatible_arch
7203         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7204         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7205         New method declarations.
7206         (Target_arm::get_aeabi_object_attribute): New method definition.
7207         (Target_arm::attributes_section_data_): New data member declaration.
7208         (read_arm_attributes_section): New template definition.
7209         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7210         (Arm_dynobj::do_read_symbols): Ditto.
7211         (Target_arm::do_finalize_sections): Merge attributes sections from
7212         input.  Check for BLX use after attributes section merging.
7213         Fix __exidx_start and __exidx_end visibility.  Create an
7214         .ARM.attributes section if necessary.
7215         (Target_arm::get_secondary_compatible_arch,
7216         Target_arm::set_secondary_compatible_arch,
7217         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7218         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7219         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7220         New method definitions.
7221
7222 2009-12-09  Ian Lance Taylor  <iant@google.com>
7223
7224         * plugin.cc (Plugin::load): Don't cast from void* to a function
7225         pointer.
7226
7227 2009-12-09  Ian Lance Taylor  <iant@google.com>
7228
7229         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7230         information fields.
7231
7232 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7233
7234         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7235         Replace two_file_shared_1.so with two_file_shared_2.so.
7236         * testsuite/Makefile.in: Regenerated.
7237
7238 2009-12-08  Doug Kwan  <dougkwan@google.com>
7239
7240         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7241         (HFILES): Add attributes.h and int_encoding.h.
7242         * Makefile.in: Regenerate.
7243         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7244         function definitions to int_encoding.cc
7245         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7246         prototypes to int_encoding.h
7247         * reduced_debug_output.cc (int_encoding.h): New include.
7248         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7249         function definitions to int_encoding.cc
7250         (insert_into_vector, read_from_pointer): Move template definitions to
7251         int_encoding.h
7252         * attributes.cc: New file.
7253         * attributes.h: New file.
7254         * int_encoding.cc: New file.
7255         * int_encoding.h: New file.
7256
7257 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7258
7259         PR gold/11055
7260         * incremental-dump.cc (dump_incremental_inputs): New.
7261         (main): Use dump_incremental_inputs.
7262
7263 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7264
7265         PR gold/10893
7266         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7267         checking elfcpp::STT_FUNC.
7268         (Target_i386::Relocate::relocate): Likewise.
7269         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7270
7271         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7272         symbols from shared libraries into normal FUNC symbols.
7273
7274         * symtab.h (Symbol): Add is_func and use it.
7275
7276 2009-12-05  Doug Kwan  <dougkwan@google.com>
7277
7278         * arm.cc (Target_arm::arm_info): Initialize new fields
7279         attributes_section and attributes_vendor.
7280         * i386.cc (Target_i386::i386_info): Same.
7281         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7282         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7283         fields attributes_section and attributes_vendor.
7284         * sparc.cc (Target_sparc::sparc_info): Same.
7285         * target.h (Target::attributes_section, Target::attributes_vendor,
7286         Target::is_attributes_section, Target::attribute_arg_type,
7287         Target::attributes_order): New method definitions.
7288         (Target::Target_info::attributes_section,
7289         Target::Target_info::attributes_vendor): New fields.
7290         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7291         virtual method definitions.
7292         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7293         attributes_section and attributes_vendor.
7294         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7295
7296 2009-12-05  Doug Kwan  <dougkwan@google.com>
7297
7298         * arm.cc: Update comments about interworking and stub generation.
7299         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7300         considered as non-PIC.
7301         (Arm_relocate_functions::base_abs): Fix formatting.
7302         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7303         of function to use GOT entry address instead of offset.
7304         (Target_arm::Scan::global): Issue an error if a symbol would need a
7305         PLT does not get one because it is untyped.  Remove code to create
7306         dynamic symbols for relative branches.
7307         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7308         takes unsigned integer instead of boolean.
7309
7310 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7311
7312         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7313         (two_file_test_LDADD): Likewise.
7314         (common_test_1_LDADD): Likewise.
7315         (exception_test_LDADD) Likewise.
7316         (weak_test_LDADD): Likewise.
7317         (many_sections_test_LDADD): Likewise.
7318         (initpri1_LDADD): Likewise.
7319         (script_test_1_LDADD): Likewise.
7320         (script_test_2_LDADD): Likewise.
7321         (justsyms_LDADD): Likewise.
7322         (binary_test_LDADD): Likewise.
7323         (large_LDADD): Likewise.
7324         * testsuite/Makefile.in: Regenerated.
7325
7326 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7327
7328         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7329         (Symbol_table::override_with_special): Likewise.
7330         (Symbol_table::add_from_object): Likewise.
7331
7332 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7333
7334         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7335         Don't set the data_offset twice.
7336
7337 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7338
7339         * testsuite/Makefile.in: Regenerate.
7340
7341 2009-12-03  Doug Kwan  <dougkwan@google.com>
7342
7343         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7344         (Target_arm::do_finalize_sections): Add parameter for symbol table
7345         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7346         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7347         parameter for symbol table pointer.
7348         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7349         an additional parameter for a pointer to symbol table.
7350         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7351         parameter for a symbol table pointer.
7352         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7353         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7354         Ditto.
7355         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7356         parameter for a symbol table pointer.
7357
7358 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7359
7360         * incremental.cc (Incremental_inputs_header)
7361         (Incremental_inputs_header_write, Incremental_inputs_entry)
7362         (Incremental_inputs_entry_write): Move ...
7363         * incremental.h (Incremental_inputs_header)
7364         (Incremental_inputs_header_write, Incremental_inputs_entry)
7365         (Incremental_inputs_entry_write): here.
7366
7367 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7368
7369         * incremental.cc (make_sized_incremental_binary): Set the target.
7370         Error if it is incompatible.
7371         * output.h (Output_file): Add filename method.
7372
7373 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7374
7375         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7376         from the get_* methods.
7377
7378 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7379
7380         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7381         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7382         Write 0 for the data_offset of scripts.
7383
7384 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7385
7386         * testsuite/Makefile.am: Add the incremental_test.sh test.
7387         * testsuite/incremental_test.sh: New.
7388         * testsuite/incremental_test_1.c: New.
7389         * testsuite/incremental_test_2.c: New.
7390
7391 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7392
7393        * incremental-dump.cc (main): Fix typos.
7394
7395 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7396
7397         PR gold/11025
7398         * incremental-dump.cc (main): Use llu to print 64 bit values.
7399
7400 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7401             H.J. Lu  <hongjiu.lu@intel.com>
7402
7403         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7404         $(LIBDL).
7405         (incremental_dump_LDADD): Likewise.
7406         * Makefile.in: Regenerated.
7407
7408 2009-11-25  Doug Kwan  <dougkwan@google.com>
7409
7410         Revert:
7411
7412         2009-11-25  Doug Kwan  <dougkwan@google.com>
7413
7414                 * arm.cc (Target_arm::Target_arm): Move method definition
7415                 outside of class definition.  Add code to handle
7416                 --target1-rel, --target1-abs and --target2= options.
7417                 (Target_arm::get_reloc_reloc_type): Change method to be
7418                 non-static and const.
7419                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7420                 New data member declaration.
7421                 (Target_arm::Scan::local, Target_arm::Scan::global,
7422                 Target_arm::Relocate::relocate,
7423                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7424                 Adjust call to Target_arm::get_real_reloc_type.
7425                 (Target_arm::get_real_reloc_type): Use command line options
7426                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7427                 * options.h (--target1-rel, --target1-abs, --target2): New
7428                 ARM-only options.
7429
7430 2009-11-25  Doug Kwan  <dougkwan@google.com>
7431
7432         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7433         class definition.  Add code to handle --target1-rel, --target1-abs
7434         and --target2= options.
7435         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7436         and const.
7437         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7438         member declaration.
7439         (Target_arm::Scan::local, Target_arm::Scan::global,
7440         Target_arm::Relocate::relocate,
7441         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7442         call to Target_arm::get_real_reloc_type.
7443         (Target_arm::get_real_reloc_type): Use command line options to
7444         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7445         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7446         options.
7447
7448 2009-11-25  Doug Kwan  <dougkwan@google.com>
7449
7450         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7451         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7452         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7453         formatting.
7454         (Arm_relocate_functions::thm_call): Replace body with a call to
7455         Arm_relocate_functions::thumb_branch_common.
7456         (Arm_relocate_functions::thm_jump24,
7457         Arm_relocate_functions::thm_xpc22): New method definitions.
7458         (Arm_relocate_functions::thumb_branch_common): New method definition.
7459         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7460         operator.
7461         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7462         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7463
7464 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7465
7466         * Makefile.am: Build incremental-dump
7467         * Makefile.in: Regenerate.
7468         * incremental-dump.cc: New.
7469         * incremental.cc (Incremental_inputs_header_data,
7470         Incremental_inputs_entry_data): Move to incremental.h
7471         * incremental.h: (Incremental_inputs_header_data,
7472         Incremental_inputs_entry_data): Move from incremental.cc
7473
7474 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7475
7476         * incremental.cc (Incremental_inputs_header,
7477         Incremental_inputs_header_write, Incremental_inputs_entry,
7478         Incremental_inputs_entry_write): Add a typedef with the data type.
7479
7480 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7481
7482         * incremental.cc (Incremental_inputs_header,
7483         Incremental_inputs_header_write, Incremental_inputs_entry,
7484         Incremental_inputs_entry_write): Update comment about which
7485         type has the filed descriptions.
7486
7487 2009-11-15  Doug Kwan  <dougkwan@google.com>
7488
7489         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7490         (Arm_relocate_functions::arm_branch_common): Change method defintion
7491         in class definition to a method declaration and update list of formal
7492         parameters.
7493         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7494         Arm_relocation_functions::jump24): Adjust call to
7495         Arm_relocate_functions::arm_branch_common.  Update list of formal
7496         parameters.
7497         (Arm_relocate_functions::xpc25): New method definition.
7498         (Arm_relocate_functions::arm_branch_common): Move method defintion
7499         out from class definition.  Use stubs for mode-switching and extending
7500         branch ranges.
7501         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7502         specially.  Change code to enable use of stubs in ARM branches.
7503
7504 2009-11-10  Doug Kwan  <dougkwan@google.com>
7505
7506         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7507         in method declaration.
7508         (Target_arm::relocate_stub): New method declaration.
7509         (Target_arm::default_target): Change to return a pointer instead of
7510         a const reference.
7511         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7512         Target_arm::default_target.
7513         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7514         method definition.
7515         (Target_arm::relocate_section): Adjust view.
7516         (Target_arm::relocate_stub): New method definition.
7517
7518 2009-11-10  Doug Kwan  <dougkwan@google.com>
7519
7520         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7521         a format warning.
7522         * incremental.cc (open_incremental_binary): Initialized local
7523         variables to avoid warnings.
7524         * object.cc (make_elf_object): Ditto.
7525         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7526         a format warning.
7527
7528 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7529
7530         PR gold/10930
7531         * testsuite/plugin_test.c: Include "config.h".
7532
7533 2009-11-09  Doug Kwan  <dougkwan@google.com>
7534
7535         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7536         (arm_symbol_value): Remove.
7537         (Arm_relocate_functions::arm_branch_common,
7538         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7539         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7540         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7541         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7542         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7543         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7544         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7545         Arm_relocate_functions::thm_mobw_abs_nc,
7546         Arm_relocate_functions::thm_mov_abs,
7547         Arm_relocate_functions::movw_prel_nc,
7548         Arm_relocate_functions::thm_movt_abs,
7549         Arm_relocate_functions::movt_prel,
7550         Arm_relocate_functions::thm_movw_prel_nc,
7551         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7552         (Target_arm::Relocate::relocate): Only decompose address into two
7553         parts if relocation type uses the thumb-bit and pass the actual
7554         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7555         calls to methods in Arm_relocate_functions for this change.
7556
7557 2009-11-08  Ian Lance Taylor  <iant@google.com>
7558
7559         PR 10925
7560         * reloc.cc: Instantiate
7561         Sized_relobj::initialize_input_to_output_maps and
7562         Sized_relobj:free_input_to_output_maps.
7563
7564 2009-11-06  Ian Lance Taylor  <iant@google.com>
7565
7566         PR 10876
7567         * defstd.cc (in_segment): Set only_if_ref true for "end".
7568
7569 2009-11-06  Doug Kwan  <dougkwan@google.com>
7570
7571         * arm.cc (class Reloc_stub): Correct a comment.
7572         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7573         (Target_arm::scan_section_for_stubs): New method declaration.
7574         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7575         Change methods from private to protected.
7576         (Target_arm::do_may_relax): New method definition.
7577         (Target_arm::do_relax, Target_arm::group_sections,
7578         Target_arm::scan_reloc_for_stub,
7579         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7580         (Target_arm::arm_input_section_map_): New data member declaration.
7581         (Target_arm::scan_reloc_for_stub,
7582         Target_arm::scan_reloc_section_for_stubs,
7583         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7584         Target_arm::do_relax): New method definitions.
7585
7586 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7587
7588         * configure.ac: Check for (struct stat)::st_mtim
7589         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7590         * config.in: Regenerate.
7591         * configure: Regenerate.
7592
7593 2009-11-05  Ian Lance Taylor  <iant@google.com>
7594
7595         PR 10910
7596         * output.cc (Output_segment::add_output_section): Add missing
7597         return statement.
7598
7599 2009-11-04  Ian Lance Taylor  <iant@google.com>
7600
7601         PR 10880
7602         * object.h (class Object): Add is_needed and set_is_needed
7603         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7604         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7605         defined in a dynamic object and referenced by a regular object,
7606         set is_needed for the dynamic object.
7607         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7608         if the file is marked with as_needed and it is not needed.
7609
7610 2009-11-04  Ian Lance Taylor  <iant@google.com>
7611
7612         PR 10887
7613         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7614         tags if data is discarded by linker script.
7615         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7616         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7617         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7618         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7619
7620 2009-11-04  Ian Lance Taylor  <iant@google.com>
7621
7622         * layout.cc (Layout::get_output_section): Add is_interp and
7623         is_dynamic_linker_section parameters.  Change all callers.
7624         (Layout::choose_output_section): Likewise.
7625         (Layout::make_output_section): Likewise.
7626         (Layout::add_output_section_data): Add is_dynamic_linker_section
7627         parameter.  Change all callers.
7628         * layout.h (class Layout): Update declarations.
7629         * output.h (class Output_section): Add is_interp, set_is_interp,
7630         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7631         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7632         generate_code_fills_at_write_ to a bitfield.
7633         * output.cc (Output_section::Output_sections): Initialize new
7634         fields.
7635         (Output_segment::add_output_section): Add do_sort parameter.
7636         Change all callers.
7637
7638 2009-11-03  Ian Lance Taylor  <iant@google.com>
7639
7640         PR 10860
7641         * options.h (class General_options): Add --warn-common.
7642         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7643         merging two common symbols.
7644         (Symbol_table::should_override): Handle --warn-common when merging
7645         a common symbol with a defined symbol.  Use report_resolve_problem
7646         for multiple definitions.
7647         (Symbol_table::report_resolve_problem): New function.
7648         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7649
7650 2009-11-03  Doug Kwan  <dougkwan@google.com>
7651
7652         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7653         stub_factory_.
7654         (Target_arm::stub_factory): New method definition.
7655         (Target_arm::new_arm_input_section,
7656         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7657         Target_arm::reloc_uses_thumb_bit): New method declarations.
7658         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7659         New type definitions.
7660         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7661         member declarations.
7662         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7663         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7664         New method definitions.
7665
7666 2009-11-03  Ian Lance Taylor  <iant@google.com>
7667
7668         * options.h (class General_options): Add --warn_constructors.
7669
7670 2009-11-03  Ian Lance Taylor  <iant@google.com>
7671
7672         PR 10893
7673         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7674         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7675
7676 2009-11-03  Ian Lance Taylor  <iant@google.com>
7677
7678         PR 10895
7679         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7680         --msgid-bugs-address.
7681         (install-pdf): New target.
7682         (install-data_yes): Look up one directory to find mkinstalldirs.
7683
7684 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7685
7686         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7687         tree.
7688
7689 2009-10-30  Doug Kwan  <dougkwan@google.com>
7690
7691         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7692
7693 2009-10-30  Doug Kwan  <dougkwan@google.com>
7694
7695         * arm.cc (Stub_addend_reader): New struct template definition
7696         and partial specializations.
7697         (Stub_addend_reader::operator()): New method definition for a
7698         partially specialized template.
7699
7700 2009-10-30  Doug Kwan  <dougkwan@google.com>
7701
7702         * arm.cc (Arm_relobj::processor_specific_flags): New method
7703         definition.
7704         (Arm_relobj::do_read_symbols): New method declaration.
7705         (Arm_relobj::processor_specific_flags_): New data member declaration.
7706         (Arm_dynobj): New class definition.
7707         (Target_arm::do_finalize_sections): Add input_objects parameter.
7708         (Target_arm::do_adjust_elf_header): New method declaration.
7709         (Target_arm::are_eabi_versions_compatible,
7710         (Target_arm::merge_processor_specific_flags): New method declaration.
7711         (Target_arm::do_make_elf_object): New overloaded method definitions
7712         and declaration.
7713         (Arm_relobj::do_read_symbols): New method definition.
7714         (Arm_dynobj::do_read_symbols): Ditto.
7715         (Target_arm::do_finalize_sections): Add input_objects parameters.
7716         Merge processor-specific flags from all input objects.
7717         (Target_arm::are_eabi_versions_compatible,
7718         Target_arm::merge_processor_specific_flags,
7719         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7720         New method definitions.
7721         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7722         Input_objects pointer type parameter.
7723         * layout.cc (Layout::finalize): Pass input objects to target's.
7724         finalize_sections function.
7725         * output.cc (Output_file_header::do_sized_write): Set ELF file
7726         header's processor-specific flags.
7727         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7728         Input_objects pointer type parameter.
7729         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7730         * target.h (Input_objects): New forward class declaration.
7731         (Target::processor_specific_flags,
7732         Target::are_processor_specific_flags_sect): New method definitions.
7733         (Target::finalize_sections): Add input_objects parameter.
7734         (Target::Target): Initialize processor_specific_flags_ and
7735         are_processor_specific_flags_set_.
7736         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7737         parameter.
7738         (Target::set_processor_specific_flags): New method definition.
7739         (Target::processor_specific_flags_,
7740         Target::are_processor_specific_flags_set_): New data member
7741         declarations.
7742         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7743         Input_objects pointer type parameter.
7744
7745 2009-10-30  Doug Kwan  <dougkwan@google.com>
7746
7747         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7748
7749 2009-10-28  Ian Lance Taylor  <iant@google.com>
7750
7751         * object.h (class Relobj): Drop options parameter from
7752         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7753         do_scan_relocs, do_relocate.  Change all callers.
7754         (class Sized_relobj): Drop options parameters from
7755         do_gc_process_relocs, do_scan_relocs, do_relocate,
7756         do_relocate_sections, relocate_sections, emit_relocs_scan,
7757         emit_relocs_scan_reltype.  Change all callers.
7758         (struct Relocate_info): Remove options field and all references to
7759         it.
7760         * reloc.h (class Read_relocs): Remove options constructor
7761         parameter and options_ field.  Change all callers.
7762         (class Gc_process_relocs, class Scan_relocs): Likewise.
7763         (class Relocate_task): Likewise.
7764         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7765         all callers.
7766         (scan_relocatable_relocs): Likewise.
7767         * target.h (class Sized_target): Remove options parameter from
7768         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7769         all callers.
7770         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7771         callers.
7772         * arm.cc: Update functions to remove options parameters.
7773         * i386.cc: Likewise.
7774         * powerpc.cc: Likewise.
7775         * sparc.cc: Likewise.
7776         * x86_64.cc: Likewise.
7777         * testsuite/testfile.cc: Likewise.
7778
7779 2009-10-28  Doug Kwan  <dougkwan@google.com>
7780
7781         * arm.cc (Arm_relobj): New class definition.
7782         (Arm_relobj::scan_sections_for_stubs,
7783         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7784         New method definitions.
7785
7786 2009-10-28  Cary Coutant  <ccoutant@google.com>
7787
7788         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7789         (Plugin::cleanup_done_): New member.
7790         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7791         (Plugin_manager::cleanup_done_): Remove.
7792         (Plugin_manager::add_input_file): Edit error message.
7793         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7794         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7795
7796 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7797
7798         * fileread.cc: (File_read::View::~View): Use the new
7799         data_ownership_ filed.
7800         (File_read::~File_read): Dispose the new whole_file_view_.
7801         (File_read::open): Mmap the whole file if needed.
7802         (File_read::open): Use whole_file_view_ instead of contents_.
7803         (File_read::find_view): Use whole_file_view_ if applicable.
7804         (File_read::do_read): Use whole_file_view_ instead of contents_.
7805         (File_read::make_view): Use whole_file_view_ instead of contents_,
7806         update File_read::View::View call.
7807         (File_read::find_or_make_view): Update File_read::View::View
7808         call.
7809         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7810         remove contents_
7811         (File_read::View::Data_ownership): New enum.
7812         (File_read::View::View): Replace bool mapped_ with Data_ownership
7813         argument.
7814         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7815         (File_read::View::data_ownership_): New field.
7816         (File_read::contents_): Remove (replaced by whole_file_view_).
7817         (File_read::whole_file_view_): New field.
7818         * options.h (class General_options): Add --keep-files-mapped.
7819
7820 2009-10-27  Cary Coutant  <ccoutant@google.com>
7821
7822         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7823         * testsuite/Makefile.am (plugin_test_5): New test case.
7824         * testsuite/Makefile.in: Regenerate.
7825
7826 2009-10-25  Doug Kwan  <dougkwan@google.com>
7827
7828         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7829         from private to protected to allow access by child class.
7830         (Sized_relobj::do_relocate_sections): New method declaration.
7831         (Sized_relobj::relocate_sections): Virtualize.
7832         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7833         Sized_relobj::relocate_sections.  Instantiate template explicitly
7834         for different target sizes and endianity.
7835
7836 2009-10-24  Doug Kwan  <dougkwan@google.com>
7837
7838         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7839         (Arm_input_section::as_arm_input_section): New method.
7840         (Arm_output_section): New class definition.
7841         (Arm_output_section::create_stub_group,
7842         Arm_output_section::group_sections): New method definitions.
7843
7844 2009-10-22  Doug Kwan  <dougkwan@google.com>
7845
7846         * arm.cc (Arm_input_section): New class definition.
7847         (Arm_input_section::init, Arm_input_section:do_write,
7848         Arm_input_section::set_final_data_size,
7849         Arm_input_section::do_reset_address_and_file_offset): New method
7850         definitions.
7851
7852 2009-10-21  Doug Kwan  <dougkwan@google.com>
7853
7854         * arm.cc (Stub_table, Arm_input_section): New forward class
7855         declarations.
7856         (Stub_table): New class defintion.
7857         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7858         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7859         New method definition.
7860
7861 2009-10-21  Doug Kwan  <dougkwan@google.com>
7862
7863         * arm.cc: Update copyright comments.
7864         (Target_arm): New forward class template declaration.
7865         (Arm_address): New type.
7866         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7867         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7868         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7869         constants.
7870         (Insn_template): Same.
7871         (DEF_STUBS): New macro.
7872         (Stub_type): New enum type.
7873         (Stub_template): New class definition.
7874         (Stub): Same.
7875         (Reloc_stub): Same.
7876         (Stub_factory): Same.
7877         (Target_arm::Target_arm): Initialize may_use_blx_ and
7878         should_force_pic_veneer_.
7879         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7880         Target_arm::should_force_pic_veneer,
7881         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7882         Target_arm::using_thumb_only, Target_arm:;default_target): New
7883         method defintions.
7884         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7885         New data member declarations.
7886         (Insn_template::size, Insn_template::alignment): New method defintions.
7887         (Stub_template::Stub_template): New method definition.
7888         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7889         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7890         (Stub_factory::Stub_factory): New method definition.
7891         * gold.h (string_hash): New template.
7892         * output.h (Input_section_specifier::hash_value): Use
7893         gold::string_hash.
7894         (Input_section_specifier::string_hash): Remove.
7895         * stringpool.cc (Stringpool_template::string_hash): Use
7896         gold::string_hash.
7897
7898 2009-10-20  Doug Kwan  <dougkwan@google.com>
7899
7900         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7901         symbols of relaxed input sections.
7902         * output.h (Output_section::find_relaxed_input_section): Make
7903         method public.
7904
7905 2009-10-16  Doug Kwan  <dougkwan@google.com>
7906
7907         * dynobj.cc (Versions::Versions): Initialize version_script_.
7908         Only insert base version symbol definition for a shared object
7909         if version script defines any version versions.
7910         (Versions::define_base_version): New method definition.
7911         (Versions::add_def): Check that base version is not needed.
7912         (Versions::add_need): Define base version lazily.
7913         * dynobj.h (Versions::define_base_version): New method declaration.
7914         (Versions::needs_base_version_): New data member declaration.
7915         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7916         (check_DATA): Add no_version_test.stdout.
7917         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7918         New make rules.
7919         * testsuite/Makefile.in: Regenerate.
7920         * testsuite/no_version_test.c: New file.
7921         * testsuite/no_version_test.sh: Ditto.
7922
7923 2009-10-16  Doug Kwan  <dougkwan@google.com>
7924
7925         * expression.cc (class Segment_start_expression): New class definition.
7926         (Segment_start_expression::value): New method definition.
7927         (script_exp_function_segment_start): Return a new
7928         Segment_start_expression.
7929         * gold/script-c.h (script_saw_segment_start_expression): New function
7930         prototype.
7931         * script-sections.cc (Script_sections::Script_sections): Initialize
7932         SAW_SEGMENT_START_EXPRESSION_ to false.
7933         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7934         and -Tbbs options to specify section addresses if given in
7935         command line and no SEGMENT_START expression is seen in a script.
7936         * script-sections.h (Script_sections::saw_segment_start_expression,
7937         Script_sections::set_saw_segment_start_expression): New method
7938         definition.
7939         (Script_sections::saw_segment_start_expression_): New data member
7940         declaration.
7941         * script.cc (script_saw_segment_start_expression): New function.
7942         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7943         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7944         script_test_7.sh and script_test_8.sh.
7945         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7946         script_test_8.stdout.
7947         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7948         (script_test_6, script_test_6.stdout, script_test_7,
7949         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7950         * Makefile.in: Regenerate.
7951         * testsuite/script_test_6.sh: New file.
7952         * testsuite/script_test_6.t: Same.
7953         * testsuite/script_test_7.sh: Same.
7954         * testsuite/script_test_7.t: Same.
7955         * testsuite/script_test_8.sh: Same.
7956
7957 2009-10-16  Doug Kwan  <dougkwan@google.com>
7958
7959         * output.cc (Output_segment::set_section_list_address): Cast
7960         expressions to unsigned long long type to avoid format warnings.
7961
7962 2009-10-15  Ian Lance Taylor  <iant@google.com>
7963
7964         * script.cc (Script_options::add_symbol_assignment): Always add a
7965         dot assignment to script_sections_.
7966         * script-sections.cc (Script_sections::add_dot_assignment):
7967         Initialize if necessary.
7968
7969         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7970         program headers with no load segment if there is a linker script.
7971
7972         * layout.cc (Layout::set_segment_offsets): Align the file offset
7973         to the segment aligment for -N or -n with no load segment.
7974         * output.cc (Output_segment::add_output_section): Don't crash if
7975         the first section is a TLS section.
7976         (Output_segment::set_section_list_addresses): Print an error
7977         message if the address moves backward in a linker script.
7978         * script-sections.cc
7979         (Output_section_element_input::set_section_addresses): Don't
7980         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7981         (Orphan_output_section::set_section_addresses): Likewise.
7982
7983 2009-10-15  Doug Kwan  <dougkwan@google.com>
7984
7985         * layout.cc (Layout::finish_dynamic_section): Generate tags
7986         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7987         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7988         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7989
7990 2009-10-14  Ian Lance Taylor  <iant@google.com>
7991
7992         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7993         fields.
7994         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7995         data_shdr fields of relinfo.
7996         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7997         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7998         R_386_TLS_LDO_32, adjust based on section flags.
7999         (Target_i386::Relocate::fix_up_ldo): Remove.
8000
8001 2009-10-13  Ian Lance Taylor  <iant@google.com>
8002
8003         Add support for -pie.
8004         * options.h (class General_options): Add -pie and
8005         --pic-executable.
8006         (General_options::output_is_position_independent): Test -pie.
8007         (General_options::output_is_executable): Return true if not shared
8008         and not relocatable.
8009         (General_options::output_is_pie): Remove.
8010         * options.cc (General_options::finalize): Reject incompatible uses
8011         of -pie.
8012         * gold.cc (queue_middle_tasks): A -pie link is not static.
8013         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8014         * symtab.cc (Symbol::final_value_is_known): Return false if
8015         output_is_position_independent.
8016         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8017         output_is_position_independent.
8018         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8019         output_is_position_independent.
8020         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8021         output_is_position_independent.
8022         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8023         two_file_pie_test.
8024         (basic_pie_test.o, basic_pie_test): New targets.
8025         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8026         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8027         (two_file_pie_test): New target.
8028         * testsuite/Makefile.in: Rebuild.
8029         * README: Remove note saying that -pie is not supported.
8030
8031 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8032
8033         * options.h (class General_options): Add -init and -fini.
8034         * layout.cc (Layout::finish_dynamic_section): Emit
8035         given init and fini functions.
8036
8037 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8038
8039         * gc.h (gc_process_relocs): Check if icf is enabled using new
8040         function.
8041         * gold.cc (queue_initial_tasks): Likewise.
8042         (queue_middle_tasks): Likewise.
8043         * object.cc (do_layout): Likewise.
8044         * symtab.cc (is_section_folded): Likewise.
8045         * main.cc (main): Likewise.
8046         * reloc.cc (Read_relocs::run): Likewise.
8047         (Sized_relobj::do_scan_relocs): Likewise.
8048         * icf.cc (is_function_ctor_or_dtor): New function.
8049         (Icf::find_identical_sections): Check if function is ctor or dtor when
8050         safe icf is chosen.
8051         * options.h (General_options::icf): Change option to be an enum.
8052         (Icf_status): New enum.
8053         (icf_enabled): New method.
8054         (icf_safe_folding): New method.
8055         (set_icf_status): New method.
8056         (icf_status_): New variable.
8057         * (options.cc) (General_options::finalize): Set icf_status_.
8058         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8059         icf_test and icf_keep_unique_test to use the --icf enum flag.
8060         * testsuite/icf_safe_test.sh: New file.
8061         * testsuite/icf_safe_test.cc: New file.
8062
8063 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8064
8065         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8066         includes to gc.h and icf.h.
8067         * arm.cc: Include gc.h.
8068         * gold.cc: Likewise.
8069         * i386.cc: Likewise.
8070         * powerpc.cc: Likewise.
8071         * sparc.cc: Likewise.
8072         * x86_64.cc: Likewise.
8073         * gc.h: Include icf.h.
8074
8075 2009-10-11  Ian Lance Taylor  <iant@google.com>
8076
8077         * plugin.cc: Include "gold.h" before other header files.
8078
8079 2009-10-10  Chris Demetriou  <cgd@google.com>
8080
8081         * options.h (Input_file_argument::Input_file_type): New enum.
8082         (Input_file_argument::is_lib_): Replace with...
8083         (Input_file_argument::type_): New member.
8084         (Input_file_argument::Input_file_argument): Take Input_file_type
8085         'type' rather than boolean 'is_lib' as second argument.
8086         (Input_file_argument::is_lib): Use type_.
8087         (Input_file_argument::is_searched_file): New function.
8088         (Input_file_argument::may_need_search): Handle is_searched_file.
8089         * options.cc (General_options::parse_library): Support -l:filename.
8090         (General_options::parse_just_symbols): Update for Input_file_argument
8091         changes.
8092         (Command_line::process): Likewise.
8093         * archive.cc (Archive::get_file_and_offset): Likewise.
8094         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8095         * script.cc (read_script_file, script_add_file): Likewise.
8096         * fileread.cc (Input_file::Input_file): Likewise.
8097         (Input_file::will_search_for): Handle is_searched_file.
8098         (Input_file::open): Likewise.
8099         * readsyms.cc (Read_symbols::get_name): Likewise.
8100         * testsuite/Makefile.am (searched_file_test): New test.
8101         * testsuite/Makefile.in: Regenerate.
8102         * testsuite/searched_file_test.cc: New file.
8103         * testsuite/searched_file_test_lib.cc: New file.
8104
8105 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8106             Ian Lance Taylor  <iant@google.com>
8107
8108         * descriptor.cc: Include <cstdio> and "binary-io.h".
8109         (Descriptors::open): Open the files in binary mode always.
8110         * script.cc (Lex::get_token): Treat \r as whitespace.
8111
8112 2009-10-09  Ian Lance Taylor  <iant@google.com>
8113
8114         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8115
8116 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8117             Ian Lance Taylor  <iant@google.com>
8118
8119         * configure.ac: Check for readv function also.
8120         * fileread.cc (readv): Define if not HAVE_READV.
8121         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8122         does not exist.
8123         * config.in: Regenerate.
8124         * configure: Regenerate.
8125
8126 2009-10-09  Doug Kwan  <dougkwan@google.com>
8127
8128         * layout.cc (Layout::make_output_section): Call target hook to make
8129         ordinary output section.
8130         (Layout::finalize): Adjust parameter list of call the
8131         Target::may_relax().
8132         * layout.h (class Layout::section_list): New method.
8133         * merge.h (Output_merge_base::entsize): Change visibility to public.
8134         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8135         New methods.
8136         (Output_merge_string::do_is_string): New method.
8137         * object.cc (Sized_relobj::do_setup): renamed from
8138         Sized_relobj::set_up.
8139         * object.h (Sized_relobj::adjust_shndx,
8140         Sized_relobj::initializ_input_to_output_maps,
8141         Sized_relobj::free_input_to_output_maps): Change visibilities to
8142         protected.
8143         (Sized_relobj::setup): Virtualize.
8144         (Sized_relobj::do_setup): New method declaration.
8145         (Sized_relobj::invalidate_section_offset,
8146         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8147         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8148         * options.cc (parse_int): New function.
8149         * options.h (parse_int): New declaration.
8150         (DEFINE_int): New macro.
8151         (stub_group_size): New option.
8152         * output.cc (Output_section::Output_section): Initialize memebers
8153         merge_section_map_, merge_section_by_properties_map_,
8154         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8155         (Output_section::add_input_section): Handled deferred code-fill
8156         generation and remove an old comment.
8157         (Output_section::add_relaxed_input_section): New method definition.
8158         (Output_section::add_merge_input_section): Use merge section by
8159         properties map to speed to search.  Update merge section maps
8160         as appropriate.
8161         (Output_section::build_relaxation_map): New method definition.
8162         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8163         Same.
8164         (Output_section::relax_input_section): Renamed to
8165         Output_section::convert_input_sections_to_relaxed_sections and change
8166         interface to take a vector of pointers to relaxed sections.
8167         (Output_section::find_merge_section,
8168         Output_section::find_relaxed_input_section): New method definitions.
8169         (Output_section::is_input_address_mapped,
8170         Output_section::output_offset, Output_section::output_address):
8171         Use output section data maps to speed up searching.
8172         (Output_section::find_starting_output_address): Add comments.
8173         (Output_section::do_write,
8174         Output_section::write_to_postprocessing_buffer): Do code-fill
8175         generation as appropriate.
8176         (Output_section::get_input_sections): Invalidate relaxed input section
8177         map.
8178         (Output_section::restore_states): Adjust type of checkpoint .
8179         Invalidate relaxed input section map.
8180         * output.h (Output_merge_base): New class declaration.
8181         (Input_section_specifier): New class defintion.
8182         (class Output_relaxed_input_section) Change base class to
8183         Output_section_data_build.
8184         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8185         base class initializer.
8186         (Output_section::add_relaxed_input_section): New method declaration.
8187         (Output_section::Input_section): Change visibility to protected.
8188         (Output_section::Input_section::relobj,
8189         Output_section::Input_section::shndx): Handle relaxed input sections.
8190         Output_section::input_sections) Change visibility to protected.  Also
8191         define overload to return a non-const pointer.
8192         (Output_section::Merge_section_properties): New class defintion.
8193         (Output_section::Merge_section_by_properties_map,
8194         Output_section::Output_section_data_by_input_section_map,
8195         Output_section::Relaxation_map): New types.
8196         (Output_section::relax_input_section): Rename method to
8197         Output_section::convert_input_sections_to_relaxed_sections and change
8198         interface to take a vector of relaxed section pointers.
8199         (Output_section::find_merge_section,
8200         Output_section::find_relaxed_input_section,
8201         Output_section::build_relaxation_map,
8202         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8203         New method declarations.
8204         (Output_section::merge_section_map_
8205         Output_section::merge_section_by_properties_map_,
8206         Output_section::relaxed_input_section_map_,
8207         Output_section::is_relaxed_input_section_map_valid_,
8208         Output_section::generate_code_fills_at_write_): New data members.
8209         * script-sections.cc
8210         (Output_section_element_input::set_section_addresses): Call
8211         current_data_size and addralign methods of relaxed input sections.
8212         (Orphan_output_section::set_section_addresses): Call current_data_size
8213         and addralign methods of relaxed input sections.
8214         * symtab.cc (Symbol_table::compute_final_value): Extract template
8215         from the body of Symbol_table::sized_finalize_symbol.
8216         (Symbol_table::sized_finalized_symbol): Call
8217         Symbol_table::compute_final_value.
8218         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8219         (Symbol_table::compute_final_value): New templated method declaration.
8220         * target.cc (Target::do_make_output_section): New method defintion.
8221         * target.h (Target::make_output_section): New method declaration.
8222         (Target::relax): Add more parameters for input objects, symbol table
8223         and layout.  Adjust call to do_relax.
8224         (Target::do_make_output_section): New method declaration.
8225         (Target::do_relax): Add parameters for input objects, symbol table
8226         and layout.
8227
8228 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8229
8230         * pread.c: Include stdio.h.
8231
8232 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8233
8234         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8235         defined.
8236
8237 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8238
8239         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8240         Change read_shndx type to unsigned int.
8241         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8242         int.
8243         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8244         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8245         Change read_shndx type to unsigned int.
8246         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8247         int.
8248         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8249         * layout.cc (Layout::create_symtab_sections): Cast the result of
8250         local_symcount * symsize to off_t in the gold_assert.
8251
8252 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8253
8254         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8255         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8256         R_ARM_BASE_ABS.
8257         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8258         (Arm_relocate_functions::thm_abs5): New function.
8259         (Arm_relocate_functions::abs12): New function.
8260         (Arm_relocate_functions::abs16): New function.
8261         (Arm_relocate_functions::base_abs): New function.
8262         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8263         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8264         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8265         R_ARM_BASE_ABS.
8266         (Scan::global): Likewise.
8267         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8268         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8269         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8270         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8271         R_ARM_BASE_ABS.
8272
8273 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8274
8275         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8276         (Arm_relocate_functions::movt_prel): New function.
8277         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8278         (Arm_relocate_functions::thm_movt_prel): New function.
8279         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8280         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8281         (Scan::global, Relocate::relocate): Likewise.
8282         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8283
8284 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8285
8286         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8287         Incremental_checker.
8288         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8289         unsigned int.
8290         (class Incremental_inputs_header): New class.
8291         (Incremental_inputs_header_writer): Edit comment.
8292         (Incremental_inputs_entry): New class.
8293         (Incremental_inputs_entry_writer): Edit comment.
8294         (Sized_incremental_binary::do_find_incremental_inputs_section):
8295         Add *strtab_shndx parameter, fill it.
8296         (Sized_incremental_binary::do_check_inputs): New method.
8297         (Incremental_checker::can_incrementally_link_output_file): Use
8298         Sized_incremental_binary::check_inputs.
8299         (Incremental_inputs::report_command_line): Save command line in
8300         command_line_.
8301         * incremental.h:
8302         (Incremental_binary::find_incremental_inputs_section): New
8303         method.
8304         (Incremental_binary::do_find_incremental_inputs_section): Add
8305         strtab_shndx parameter.
8306         (Incremental_binary::do_check_inputs): New pure virtual method.
8307         (Sized_incremental_binary::do_check_inputs): Declare.
8308         (Incremental_checker::Incremental_checker): Add incremental_inputs
8309         parameter, use it to initialize incremental_inputs_.
8310         (Incremental_checker::incremental_inputs_): New field.
8311         (Incremental_checker::command_line): New method.
8312         (Incremental_checker::inputs): New method.
8313         (Incremental_checker::command_line_): New field.
8314
8315 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8316
8317         * incremental.cc: Include <cstdarg> and "target-select.h".
8318         (vexplain_no_incremental): New function.
8319         (explain_no_incremental): New function.
8320         (Incremental_binary::error): New method.
8321         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8322         method.
8323         (make_sized_incremental_binary): New function.
8324         (open_incremental_binary): New function.
8325         (can_incrementally_link_file): Add checks if output is ELF and has
8326         inputs section.
8327         * incremental.h: Include "elfcpp_file.h" and "output.h".
8328         (Incremental_binary): New class.
8329         (Sized_incremental_binary): New class.
8330         (open_incremental_binary): Declare.
8331         * object.cc (is_elf_object): Use
8332         elfcpp::Elf_recognizer::is_elf_file.
8333         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8334         * output.h (Output_file::filesize): New method.
8335
8336 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8337
8338         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8339         New function.
8340         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8341         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8342         function.
8343         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8344         function.
8345         (Arm_relocate_functions::movw_abs_nc): New function.
8346         (Arm_relocate_functions::movt_abs): New function.
8347         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8348         (Arm_relocate_functions::thm_movt_abs): New function.
8349         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8350         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8351         (Scan::global): Likewise.
8352         (Relocate::relocate): Likewise.
8353         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8354
8355 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8356
8357         * arm.cc (Arm_relocate_functions::got_prel) New function.
8358         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8359         (Relocate::relocate): Likewise.
8360         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8361
8362 2009-10-06  Ian Lance Taylor  <iant@google.com>
8363
8364         * options.h (class General_options): Define
8365         split_stack_adjust_size parameter.
8366         * object.h (class Object): Add uses_split_stack_ and
8367         has_no_split_stack_ fields.  Add uses_split_stack and
8368         has_no_split_stack accessor functions.  Declare
8369         handle_split_stack_section.
8370         (class Reloc_symbol_changes): Define.
8371         (class Sized_relobj): Define Function_offsets.  Declare
8372         split_stack_adjust, split_stack_adjust_reltype, and
8373         find_functions.
8374         * object.cc (Object::handle_split_stack_section): New function.
8375         (Sized_relobj::do_layout): Call handle_split_stack_section.
8376         * dynobj.cc (Sized_dynobj::do_layout): Call
8377         handle_split_stack_section.
8378         * reloc.cc (Sized_relobj::relocate_sections): Call
8379         split_stack_adjust for executable sections in split_stack
8380         objects.  Pass reloc_map to relocate_section.
8381         (Sized_relobj::split_stack_adjust): New function.
8382         (Sized_relobj::split_stack_adjust_reltype): New function.
8383         (Sized_relobj::find_functions): New function.
8384         * target-reloc.h: Include "object.h".
8385         (relocate_section): Add reloc_symbol_changes parameter.  Change
8386         all callers.
8387         * target.h (class Target): Add calls_non_split method.  Declare
8388         do_calls_non_split virtual method.  Declare match_view and
8389         set_view_to_nop.
8390         * target.cc: Include "elfcpp.h".
8391         (Target::do_calls_non_split): New function.
8392         (Target::match_view): New function.
8393         (Target::set_view_to_nop): New function.
8394         * gold.cc (queue_middle_tasks): Give an error if mixing
8395         split-stack and non-split-stack objects with -r.
8396         * i386.cc (Target_i386::relocate_section): Add
8397         reloc_symbol_changes parameter.
8398         (Target_i386::do_calls_non_split): New function.
8399         * x86_64.cc (Target_x86_64::relocate_section): Add
8400         reloc_symbol_changes parameter.
8401         (Target_x86_64::do_calls_non_split): New function.
8402         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8403         parameter.
8404         * powerpc.cc (Target_powerpc::relocate_section): Add
8405         reloc_symbol_changes parameter.
8406         * sparc.cc (Target_sparc::relocate_section): Add
8407         reloc_symbol_changes parameter.
8408         * configure.ac: Call AM_CONDITIONAL for the default target.
8409         * configure: Rebuild.
8410         * testsuite/Makefile.am (TEST_AS): New variable.
8411         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8412         (check_DATA): Add split_i386 and split_x86_64 files.
8413         (SPLIT_DEFSYMS): Define.
8414         (split_i386_[1234n].o): New targets.
8415         (split_i386_[124]): New targets.
8416         (split_i386_[1234r].stdout): New targets.
8417         (split_x86_64_[1234n].o): New targets.
8418         (split_x86_64_[124]): New targets.
8419         (split_x86_64_[1234r].stdout): New targets.
8420         (MOSTLYCLEANFILES): Add new executables.
8421         * testsuite/split_i386.sh: New file.
8422         * testsuite/split_x86_64.sh: New file.
8423         * testsuite/split_i386_1.s: New file.
8424         * testsuite/split_i386_2.s: New file.
8425         * testsuite/split_i386_3.s: New file.
8426         * testsuite/split_i386_4.s: New file.
8427         * testsuite/split_i386_n.s: New file.
8428         * testsuite/split_x86_64_1.s: New file.
8429         * testsuite/split_x86_64_2.s: New file.
8430         * testsuite/split_x86_64_3.s: New file.
8431         * testsuite/split_x86_64_4.s: New file.
8432         * testsuite/split_x86_64_n.s: New file.
8433         * testsuite/testfile.cc (Target_test): Update relocation_section
8434         function.
8435         * testsuite/Makefile.in: Rebuild.
8436
8437 2009-10-06  Ian Lance Taylor  <iant@google.com>
8438
8439         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8440         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8441         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8442         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8443         the address on ldo_addrs_.
8444         (Target_i386::Relocate::fix_up_ldo): New function.
8445
8446 2009-10-06   Rafael Espindola  <espindola@google.com>
8447
8448         * plugin.cc (add_input_library): New.
8449         (Plugin::load): Add add_input_library to tv.
8450         (Plugin_manager::add_input_file): Add the is_lib argument.
8451         (add_input_file): Update call to Plugin_manager::add_input_file.
8452         (add_input_library): New.
8453         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8454
8455 2009-09-30  Doug Kwan  <dougkwan@google.com>
8456
8457         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8458         symbol and call Symbol::may_need_copy_reloc to determine if
8459         a copy reloc is needed.
8460         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8461         nocopyreloc is given in command line.
8462         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8463         given in command line.
8464         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8465         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8466         of the removed Target_i386::may_need_copy_reloc.
8467         * options.h (copyreloc): New option with default value false.
8468         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8469         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8470         instead of the removed Target_powerpc::may_need_copy_reloc.
8471         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8472         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8473         instead of the removed Target_sparc::may_need_copy_reloc.
8474         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8475         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8476         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8477         instead of the removed Target_x86_64::may_need_copy_reloc.
8478
8479 2009-09-30  Ian Lance Taylor  <iant@google.com>
8480
8481         * object.h (class Object): Remove target_ field, and target,
8482         sized_target, and set_target methods.
8483         (Object::sized_target): Remove.
8484         (class Sized_relobj): Update declarations.  Remove sized_target.
8485         * object.cc (Sized_relobj::setup): Remove target parameter.
8486         Change all callers.
8487         (Input_objects::add_object): Don't do anything with the target.
8488         (make_elf_sized_object): Add punconfigured parameter.  Change all
8489         callers.  Set or test parameter target.
8490         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8491         Change all callers.
8492         * parameters.cc (Parameters::set_target): Change parameter type to
8493         be non-const.
8494         (Parameters::default_target): Remove.
8495         (set_parameters_target): Change parameter type to be non-const.
8496         (parameters_force_valid_target): New function.
8497         (parameters_clear_target): New function.
8498         * parameters.h (class Parameters): Update declarations.  Remove
8499         default_target method.  Add sized_target and clear_target
8500         methods.  Change target_ to be non-const.
8501         (set_parameters_target): Update declaration.
8502         (parameters_force_valid_target): Declare.
8503         (parameters_clear_target): Declare.
8504         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8505         as NULL if we aren't searching.
8506         (Add_symbols::run): Don't check for compatible target.
8507         * fileread.cc (Input_file::open_binary): Call
8508         parameters_force_valid_target.
8509         * gold.cc (queue_middle_tasks): Likewise.
8510         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8511         set_target on object.
8512         * dynobj.h (class Sized_dynobj): Update declarations.
8513         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8514         make_elf_object returns NULL.
8515         (Archive::include_member): Don't check whether object target is
8516         compatible.
8517         * output.cc (Output_section::add_input_section): Get target from
8518         parameters.
8519         (Output_section::relax_input_section): Likewise.
8520         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8521         parameters.
8522         (Sized_relobj::do_scan_relocs): Likewise.
8523         (Sized_relobj::relocate_sections): Likewise.
8524         * resolve.cc (Symbol_table::resolve): Likewise.
8525         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8526         parameter.  Change all callers.
8527         (Symbol_table::add_from_object): Get target from parameters.
8528         (Symbol_table::add_from_relobj): Don't check object target.
8529         (Symbol_table::add_from_dynobj): Likewise.
8530         (Symbol_table::define_special_symbol): Get target from
8531         parameters.
8532         * symtab.h (class Symbol_table): Update declaration.
8533         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8534         parameter.  Change all callers.  Clear parameter target.
8535         (Binary_test): Test target here.
8536         * testsuite/object_unittest.cc (gold_testsuite): Remove
8537         target_test_pointer parameter.  Change all callers.
8538         (Object_test): Test target here.
8539
8540 2009-09-26  Ian Lance Taylor  <iant@google.com>
8541
8542         * testsuite/initpri1.c: Don't try to use constructor priorities if
8543         compiling with gcc before 4.3.
8544
8545 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8546
8547         * testsuite/retain_symbols_file_test.sh (check_present): Change
8548         output file name to retain_symbols_file_test.stdout.
8549         (check_absent): Likewise.
8550
8551 2009-09-18  Craig Silverstein  <csilvers@google.com>
8552
8553         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8554         * options.cc: Include <cerrno> and <fstream>.
8555         (General_options::finalize): Parse -retain-symbols-file tag.
8556         * options.h: New flag.
8557         (General_options): New method should_retain_symbol, new
8558         variable symbols_to_retain.
8559         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8560         should_retain_symbol map.
8561         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8562         * testsuite/Makefile.in: Regenerate.
8563         * testsuite/retain_symbols_file_test.sh: New file.
8564
8565 2009-09-18  Nick Clifton  <nickc@redhat.com>
8566
8567         * po/es.po: Updated Spanish translation.
8568
8569 2009-09-17  Doug Kwan  <dougkwan@google.com>
8570
8571         * debug.h (DEBUG_RELAXATION): New constant.
8572         (DEBUG_ALL): Add DEBUG_RELAXATION.
8573         (debug_string_to_enum): Add relaxation debug option.
8574         * layout.cc
8575         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8576         Layout::Relaxation_debug_check::read_sections,
8577         Layout::Relaxation_debug_check::read_sections): New method definitions.
8578         (Layout::Layout): Initialize data members
8579         record_output_section_data_from_scrips_,
8580         script_output_section_data_list_ and relaxation_debug_check_.
8581         (Layout::save_segments, Layout::restore_segments,
8582         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8583         Layout::relaxation_loop_body): New method definitions.
8584         (Layout::finalize): Support relaxation.  Move section layout code to
8585         Layout::relaxation_loop_body.
8586         (Layout::set_asection_address_from_script): Move code for orphan
8587         section placement out.
8588         (Layout::place_orphan_sections_in_script): New method definition.
8589         * layout.h (Output_segment_headers, Output_file_header):
8590         New forward class declarations.
8591         (Layout::~Layout): Define.
8592         (Layout::new_output_section_data_from_script): New method definition.
8593         (Layout::place_orphan_sections_in_script): New method declaration.
8594         (Layout::Segment_states): New type declaration.
8595         (Layout::save_segments, Layout::restore_segments,
8596         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8597         Layout::relaxation_loop_body): New method declarations.
8598         (Layout::Output_section_data_list): New type declaration.
8599         (Layout::Relaxation_debug_check): New class definition.
8600         (Layout::record_output_section_data_from_script_,
8601         Layout::script_output_section_data_list_, Layout::segment_states_,
8602         Layout::relaxation_debug_check_): New data members.
8603         * output.cc: (Output_section_headers::do_size): New method definition.
8604         (Output_section_headers::Output_section_headers): Move size
8605         computation to Output_section_headers::do_size.
8606         (Output_segment_headers::do_size): New method definition.
8607         (Output_file_header::Output_file_header): Move size computation to
8608         Output_file_header::do_size and call it.
8609         (Output_file_header::do_size): New method definition.
8610         (Output_data_group::Output_data_group): Adjust call to
8611         Output_section_data.
8612         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8613         (Output_symtab_xindex::do_write): Add array bound check.
8614         (Output_section::Input_section::print_to_mapfile): Handle
8615         RELAXED_INPUT_SECTION_CODE.
8616         (Output_section::Output_section): Initialize data member checkpoint_.
8617         (Output_section::~Output_section): Delete checkpoint object pointed
8618         by checkpoint_.
8619         (Output_section::add_input_section): Always add an Input_section if
8620         relaxing.
8621         (Output_section::add_merge_input_section): Add assert.
8622         (Output_section::relax_input_section): New method definition.
8623         (Output_section::set_final_data_size): Set load address to zero for
8624         an unallocated section.
8625         (Output_section::do_address_and_file_offset_have_reset_values):
8626         New method definition.
8627         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8628         Handle relaxed input section.
8629         (Output_section::sort_attached_input_sections): Checkpoint input
8630         section list lazily.
8631         (Output_section::get_input_sections): Change type of input_sections to
8632         list of Simple_input_section pointers.  Checkpoint input section list
8633         lazily.  Also handle relaxed input sections.
8634         (Output_section::add_input_section_for_script): Take a reference to
8635         a Simple_input_section object instead of Relobj pointer and section
8636         index as parameter.  Handle relaxed input sections.
8637         (Output_section::save_states, Output_section::restore_states): New
8638         method definitions.
8639         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8640         (Output_data::is_data_size_fixed): New method definition.
8641         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8642         if it is fixed.
8643         (Output_data::address_and_file_offset_have_reset_values): New method
8644         definition.
8645         (Output_data::do_address_and_file_offset_have_reset_values): New method
8646         definition.
8647         (Output_data::set_data_size): Check that data size is not fixed.
8648         (Output_data::fix_data_size): New method definition.
8649         (Output_data::is_data_size_fixed_): New data member.
8650         (Output_section_headers::set_final_data_size): New method definition.
8651         (Output_section_headers::do_size): New method declaration.
8652         (Output_segment_headers::set_final_data_size): New method definition.
8653         (Output_segment_headers::do_size): New method declaration.
8654         (Output_file_header::set_final_data_size)::New method definition.
8655         (Output_file_header::do_size)::New method declaration.
8656         (Output_section_data::Output_section_data): Add new parameter
8657         is_data_size_fixed and use it to fix data size.
8658         (Output_data_const::Output_data_const): Adjust call to base class
8659         constructor and fix data size.
8660         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8661         base class constructor and fix data size.
8662         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8663         base class constructor and fix data size.
8664         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8665         class constructor and fix data size.
8666         (Output_data_group::set_final_data_size): New method definition.
8667         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8668         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8669         class constructor and fix data size.
8670         (Output_relaxed_input_section): New class definition.
8671         (Output_section::Simple_input_section): New class definition.
8672         (Output_section::get_input_sections): Adjust parameter list.
8673         (Output_section::add_input_section_for_script): Same.
8674         (Output_section::save_states, Output_section::restore_states,
8675         Output_section::do_address_and_file_offset_have_reset_values,
8676         (Output_section::Input_section::Input_section): Handle
8677         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8678         Output_relaxed_input_section.
8679         (Output_section::Input_section::is_input_section,
8680         Output_section::Input_section::set_output_section): Handle relaxed
8681         input section.
8682         (Output_section::Input_section::is_relaxed_input_section,
8683         Output_section::Input_section::output_section_data,
8684         Output_section::Input_section::relaxed_input_section): New method
8685         definitions.
8686         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8687         value.
8688         (Output_section::Input_section::u1_): Update comments.
8689         (Output_section::Input_section::u2_): Add new union member poris.
8690         (Output_section::Checkpoint_output_section): New classs definition.
8691         (Output_section::relax_input_section): New method declaration.
8692         (Output_section::checkpoint_): New data member.
8693         (Output_segment): Update comments.
8694         (Output_segment::Output_segment): Un-privatize copy constructor.
8695         (Output_segment::operator=): Un-privatize.
8696         * script-sections.cc (Output_section_element::Input_section_list):
8697         Change element type to Output_section::Simple_input_section.
8698         (Output_section_element_dot_assignment::set_section_addresses):
8699         Register output section data for relaxation clean up.
8700         (Output_data_exression::Output_data_expression): Adjust call to base
8701         constructor to fix data size.
8702         (Output_section_element_data::set_section_addresses): Register
8703         Output_data_expression object for relaxation clean up.
8704         (struct Input_section_info): Replace Relobj pointer and section index
8705         pair with Output_section::Simple_input_section and Convert struct to a
8706         class.
8707         (Input_section_sorter::operator()): Adjust access to
8708         Input_section_info data member to use accessors.
8709         (Output_section_element_input::set_section_addresses): Use layout
8710         parameter.  Adjust code to use Output_section::Simple_input_section
8711         and Input_secction_info classes.  Register filler for relaxation
8712         clean up.
8713         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8714         and section index pair with Output_section::Simple_input_section
8715         class.  Adjust code accordingly.
8716         (Phdrs_element::release_segment): New method definition.
8717         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8718         segment list.
8719         (Script_sections::release_segments): New method definition.
8720         * gold/script-sections.h (Script_sections::release_segments): New
8721         method declaration.
8722         * gold/target.h (Target::may_relax, Target::relax,
8723         Target::do_may_relax, Target::do_relax): New method definitions.
8724
8725 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8726
8727         * arm.cc (has_signed_unsigned_overflow): New function.
8728         (Arm_relocate_functions::abs8): New function.
8729         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8730         (Target_arm::Scan::global): Likewise.
8731         (Target_arm::relocate::relocate): Likewise.
8732         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8733         Likewise.
8734
8735 2009-09-16  Cary Coutant  <ccoutant@google.com>
8736
8737         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8738         * testsuite/Makefile.in: Regenerate.
8739
8740 2009-09-11  Nick Clifton  <nickc@redhat.com>
8741
8742         * po/gold.pot: Updated by the Translation project.
8743
8744 2009-09-08  Cary Coutant  <ccoutant@google.com>
8745
8746         * output.cc (Output_file::open): Add execute permission to empty file.
8747         * testsuite/Makefile.am (permission_test): New test.
8748         * testsuite/Makefile.in: Regenerate.
8749
8750 2009-09-02  Ian Lance Taylor  <iant@google.com>
8751
8752         * output.cc (Output_file::resize): Call map_no_anonymous rather
8753         than map.
8754
8755 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8756
8757         * gold.cc: Include "incremental.h".
8758         (queue_initial_tasks): Call Incremental_checker methods.
8759         * incremental.cc: Include "output.h".
8760         (Incremental_checker::can_incrementally_link_output_file): New
8761         method.
8762         * incremental.h (Incremental_checker): New class.
8763
8764         * output.cc (Output_file::open_for_modification): New method.
8765         (Output_file::map_anonymous): Changed return type to bool.  Record
8766         map in base_ field.
8767         (Output_file::map_no_anonymous): New method, broken out of map.
8768         (Output_file::map): Use map_no_anonymous and map_anonymous.
8769         * output.h (class Output_file): Update declarations.
8770
8771 2009-08-24  Cary Coutant  <ccoutant@google.com>
8772
8773         * options.h (Command_line::Pre_options): New class.
8774         (Command_line::pre_options): New member.
8775         * options.cc (gold::options::ready_to_register): New variable.
8776         (One_option::register_option): Do nothing if not registering options.
8777         Assert if same short option registered twice.
8778         (General_options::General_options): Turn off option registration when
8779         done constructing.
8780         (Command_line::Pre_options::Pre_options): New constructor.
8781
8782 2009-08-24  Cary Coutant  <ccoutant@google.com>
8783
8784         * options.h (General_options::no_keep_memory): Remove incorrect
8785         short option.
8786
8787 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8788
8789         * Makefile.am (am__skiplex, am__skipyacc): New.
8790         * Makefile.in: Regenerate.
8791
8792 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8793
8794         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8795         (INCLUDES): ... this.
8796         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8797         (AM_CPPFLAGS): Renamed from ...
8798         (INCLUDE): ... this.
8799         * Makefile.in, testsuite/Makefile.in: Regenerate.
8800
8801         * Makefile.in: Regenerate.
8802         * aclocal.m4: Likewise.
8803         * config.in: Likewise.
8804         * configure: Likewise.
8805         * testsuite/Makefile.in: Likewise.
8806
8807         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8808         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8809         * Makefile.in: Regenerate.
8810         * testsuite/Makefile.in: Regenerate.
8811
8812 2009-08-19  Cary Coutant  <ccoutant@google.com>
8813
8814         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8815         symbols in shared libraries overridden by hidden or internal symbols
8816         in the main program.
8817
8818 2009-08-19  Chris Demetriou  <cgd@google.com>
8819
8820         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8821         checking source file names in error messages.
8822
8823 2009-08-18  Doug Kwan  <dougkwan@google.com>
8824
8825         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8826         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8827         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8828         an elfcpp::Ehdr as parameter.
8829         * object.cc (Object::set_target): Remove the version that looks up
8830         a target and sets it.
8831         (Sized_relobj::setup): Take a Target object instead of
8832         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8833         (make_elf_sized_object): Find target and ask target to
8834         make an ELF object.
8835         * object.h: (Object::set_target): Remove the version that looks up
8836         a target and sets it.
8837         (Sized_relobj::setup): Take a Target object instead of
8838         an elfcpp:Ehdr as parameter.
8839         * target.cc: Include dynobj.h.
8840         (Target::do_make_elf_object_implementation): New.
8841         (Target::do_make_elf_object): New.
8842         * target.h (Target::make_elf_object): New template declaration.
8843         (Target::do_make_elf_object): New method declarations.
8844         (Target::do_make_elf_object_implementation): New template declaration.
8845
8846 2009-08-14  Ian Lance Taylor  <iant@google.com>
8847
8848         * gold.h (FUNCTION_NAME): Define.
8849         (gold_unreachable): Use FUNCTION_NAME.
8850
8851 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8852
8853         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8854         symbol in the --keep-unique list is not found.
8855
8856 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8857
8858         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8859         been maked as --keep-unique.
8860         (Icf::unfold_section): New function.
8861         * icf.h (Icf::unfold_section): New function.
8862         * options.h (General_options::keep_unique): New option.
8863         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8864         * testsuite/Makefile.in: Regenerate.
8865         * testsuite/icf_keep_unique_test.sh: New file.
8866         * testsuite/icf_keep_unique_test.cc: New file.
8867
8868 2009-08-12  Cary Coutant  <ccoutant@google.com>
8869
8870         PR 10471
8871         * resolve.cc (Symbol_table::resolve): Check for references from
8872         dynamic objects to hidden and internal symbols.
8873         * testsuite/Makefile.am (hidden_test.sh): New test.
8874         * testsuite/Makefile.in: Regenerate.
8875         * testsuite/hidden_test.sh: New script.
8876         * testsuite/hidden_test_1.c: New test source.
8877         * testsuite/hidden_test_main.c: New test source.
8878
8879 2009-08-11  Doug Kwan  <dougkwan@google.com>
8880
8881         * arm.cc: Update comments.
8882         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8883         segment to locate the .ARM.exidx section if present.
8884
8885 2009-08-09  Doug Kwan  <dougkwan@google.com>
8886
8887         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8888         patch.
8889
8890 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8891         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8892         compiler warnings.
8893
8894 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8895
8896         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8897         valid tls_segment only for non-debug-section relocations.
8898         * testsuite/Makefile.am: Add gc_tls_test.
8899         * testsuite/Makefile.in: Regenerate.
8900         * testsuite/gc_tls_test.cc: New file.
8901         * testsuite/gc_tls_test.sh: New file.
8902
8903 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8904
8905         * icf.cc: New file.
8906         * icf.h: New file.
8907         * Makefile.am (CCFILES): Add icf.cc.
8908         (HFILES): Add icf.h
8909         * Makefile.in: Regenerate.
8910         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8911         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8912         section, symbol and addend information for the relocs.
8913         * gold.cc (queue_middle_tasks): Call identical code folding.
8914         * gold.h: Add defines for multimap.
8915         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8916         to the call of finalize_local_symbols.
8917         * main.cc (main): Create object of class Icf.
8918         * object.cc (Sized_relobj::do_layout): Allow this function to be
8919         called twice during icf.
8920         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8921         to sections marked as identical by icf.
8922         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8923         when available.
8924         (Sized_relobj::do_section_entsize): New function.
8925         * object.h (Object::section_entsize): New function.
8926         (Object::do_section_entsize): New pure virtual function.
8927         (Relobj::finalize_local_symbols): Add new parameter.
8928         (Relobj::do_section_entsize): New function.
8929         * options.h (General_options::icf): New option.
8930         (General_options::icf_iterations): New option.
8931         (General_options::print_icf_sections): New option.
8932         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8933         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8934         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8935         icf.
8936         * symtab.cc (Symbol_table::is_section_folded): New function.
8937         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8938         to sections marked as identical by icf.
8939         * symtab.h (Symbol_table::set_icf): New function.
8940         (Symbol_table::icf): New function.
8941         (Symbol_table::is_section_folded): New function.
8942         (Symbol_table::icf_): New data member.
8943         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8944         * testsuite/Makefile.am: Add commands to build icf_test.
8945         * testsuite/Makefile.in: Regenerate.
8946         * testsuite/icf_test.sh: New file.
8947         * testsuite/icf_test.cc: New file.
8948
8949 2009-07-24  Chris Demetriou  <cgd@google.com>
8950
8951         * layout.cc (is_compressible_debug_section): Fix incorrect
8952         comment about compressed section names.
8953
8954 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8955
8956         PR 10419
8957         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8958
8959 2009-07-16  Ian Lance Taylor  <iant@google.com>
8960
8961         PR 10400
8962         * layout.h: #include <map>.
8963         (class Kept_section): Change from struct to class.  Add accessors
8964         and setters.  Add section size to Comdat_group mapping.  Change
8965         Comdat_group to std::map.  Add is_comdat_ field.  Add
8966         linkonce_size field in union.
8967         (class Layout): Update declaration of find_or_add_kept_section.
8968         Don't declare find_kept_object.
8969         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8970         parameter.  Add object, shndx, is_comdat, and is_group_name
8971         parameters.  Change all callers.  Adjust for new Kept_section.
8972         (Layout::find_kept_object): Remove.
8973         * object.cc (Sized_relobj::include_section_group): Update use of
8974         Kept_section.  Rename secnum to shndx.  Only record
8975         Kept_comdat_section if sections are the same size.
8976         (Sized_relobj::include_linkonce_section): Update use of
8977         Kept_section.  Only record Kept_comdat_section if sections are the
8978         same size.  Set size of linkonce section.
8979         (Sized_relobj::map_to_kept_section): Update call to
8980         get_kept_comdat_section.
8981         * object.h (class Sized_relobj): Rename fields in
8982         Kept_comdat_section to drop trailing underscores; change object
8983         field to Relobj*.  Change Kept_comdat_section_table to store
8984         struct rather than pointer.
8985         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8986         Add kept_object and kept_shndx parameters.  Change all callers.
8987         (Sized_relobj::get_kept_comdat_section): Change return type to
8988         bool.  Add kept_object and kept_shndx parameters.  Change all
8989         callers.
8990         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8991         Layout::find_or_add_kept_section.
8992
8993 2009-07-09  Ian Lance Taylor  <iant@google.com>
8994
8995         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8996         Reserve space in the hash table.
8997
8998 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8999
9000         * fileread.cc (File_read::get_mtime): New method.
9001         * fileread.h (Timespec): New structure.
9002         (File_read::get_mtime): New method.
9003         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9004         Renamed from timestamp_nsec.
9005         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9006         Elf_Xword.
9007         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9008         timestamp_nsec.
9009         (Incremental_inputs::report_archive): Save mtime; style fix.
9010         (Incremental_inputs::report_obejct): Save mtime; style fix.
9011         (Incremental_inputs::report_script): Save mtime; style fix.
9012         (Incremental_inputs::finalize_inputs): Style fix.
9013         (Incremental_inputs::finalize): Style fix.
9014         (Incremental_inputs::create_input_section_data): Store inputs
9015         mtime.
9016         * incremental.h (Incremental_inputs::report_script): Add mtime
9017         argument.
9018         (Incremental_inputs::Input_info::Input_info): Intialize only one
9019         union member.
9020         (Incremental_inputs::Input_info::archive): Move to nameless
9021         union.
9022         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9023         (Incremental_inputs::Input_info::script): Move to nameless union.
9024         (Incremental_inputs::mtime): New field.
9025         * script.cc (read_input_script): Pass file mtime to
9026         Incremental_input.
9027         * script.h (Script_info::inputs): Style fix.
9028
9029 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9030
9031         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9032         instead of 32.
9033
9034 2009-06-24  Ian Lance Taylor  <iant@google.com>
9035
9036         PR 10156
9037         * layout.cc (Layout::choose_output_section): If we find an
9038         existing section, update the flags.
9039         (Layout::create_notes): New function, broken out of
9040         Layout::finalize.
9041         (Layout::finalize): Don't create note sections.
9042         (Layout::create_note): Don't crash if linker script discards
9043         section.
9044         (Layout::create_gold_note): Likewise.
9045         (Layout::create_build_id): Likewise.  Don't set
9046         after_input_sections on the section.
9047         (Layout::create_executable_stack_info): Remove target parameter.
9048         Change caller.
9049         * layout.h (class Layout): Declare create_notes.  Update
9050         declaration of create_executable_stack_info.
9051         * gold.cc (queue_middle_tasks): Call create_notes.
9052         * output.cc (Output_section::update_flags_for_input_section): Move
9053         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9054         invalid.
9055         * output.h (Output_data::mark_address_invalid): New function.
9056         (class Output_section): Only declare, not define,
9057         update_flags_for_input_section.  Remove set_flags.
9058
9059 2009-06-24  Ian Lance Taylor  <iant@google.com>
9060
9061         * script-sections.cc (Output_section_definition::
9062         set_section_addresses): Rename shadowing local load_address to
9063         laddr.
9064
9065 2009-06-24  Ian Lance Taylor  <iant@google.com>
9066
9067         PR 10244
9068         * reloc.cc (relocate_sections): Skip empty relocation sections.
9069
9070 2009-06-23  Ian Lance Taylor  <iant@google.com>
9071
9072         PR 10156
9073         * layout.cc (Layout::create_note): Use choose_output_section
9074         rather than make_output_section.
9075
9076 2009-06-23  Ian Lance Taylor  <iant@google.com>
9077
9078         PR 10237
9079         * options.cc (General_options::parse_V): Set printed_version_.
9080         (General_options::General_options): Initialize printed_version_.
9081         * options.h (class General_options): Add printed_version_ field.
9082         * gold.cc (queue_initial_tasks): If there are no input files,
9083         don't give a fatal error if we printed the version information.
9084         (queue_middle_tasks): If using -r with a shared object, give a
9085         fatal error rather than an ordinary error.
9086
9087 2009-06-23  Ian Lance Taylor  <iant@google.com>
9088
9089         PR 10219
9090         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9091         (Layout::make_output_section): Set have_stabstr_section_ if we see
9092         a .stab*str section.
9093         (Layout::finalize): Call link_stabs_sections.
9094         (Layout::link_stabs_sections): New file.
9095         * layout.h (class Layout): Add have_stabstr_section_ field.
9096         Declare link_stabs_sections.
9097
9098 2009-06-23  Doug Kwan  <dougkwan@google.com>
9099
9100         * Makefile.am (libgold_a_LIBADD): New.
9101         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9102         * Makefile.in: Regenerate.
9103         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9104         * configure: Regenerate.
9105         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9106         * fileread.cc: Include sys/state.h
9107         * gold.h: Declare memmem and strndup if found missing.
9108         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9109
9110 2009-06-23  Ian Lance Taylor  <iant@google.com>
9111
9112         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9113         * configure: Rebuild.
9114
9115 2009-06-23  Ian Lance Taylor  <iant@google.com>
9116
9117         PR 10147
9118         * object.cc (Object::section_contents): Don't try to get a view if
9119         the section has length zero.
9120         (Object::handle_gnu_warning_section): If the section is empty, use
9121         the name of the section as the warning.
9122
9123 2009-06-23  Ian Lance Taylor  <iant@google.com>
9124
9125         PR 10133
9126         * stringpool.h (class Stringpool_template): Add optimize_ field.
9127         (Stringpool_template::set_optimize): New function.
9128         * stringpool.cc (Stringpool_template::Stringpool_template):
9129         Initialize optimize_ field.
9130         (Stringpool_template::set_string_offsets): Test local optimize
9131         fild rather than parameter.
9132         * layout.cc (Layout::Layout): Call set_optimize on the section
9133         name stringpool.
9134
9135 2009-06-22  Ian Lance Taylor  <iant@google.com>
9136
9137         PR 10030
9138         * yyscript.y: Parse TARGET.
9139         * script.cc (script_set_target): New function.
9140         * script-c.h (script_set_target): Declare.
9141         * options.cc (General_options::string_to_object_format): Rename
9142         from string_to_object_format in anonymous namespace.  Change
9143         callers.
9144         * options.h (class General_options): Declare
9145         string_to_object_format.
9146
9147 2009-06-22  Ian Lance Taylor  <iant@google.com>
9148
9149         * script-sections.cc (Script_sections::create_segments): Don't put
9150         program headers in a PT_LOAD segment if -n or -N.
9151
9152 2009-06-22  Ian Lance Taylor  <iant@google.com>
9153
9154         PR 10141
9155         * options.h (class General_options): Add -z lazy and -z now.  Sort
9156         -z options into alphabetical order.
9157         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9158
9159 2009-06-21  Ian Lance Taylor  <iant@google.com>
9160
9161         * layout.cc (Layout::make_output_section): Call
9162         Target::new_output_section.
9163         (Layout::attach_allocated_section_to_segment): Put large section
9164         sections in a separate load segment with the large segment flag
9165         set.
9166         (Layout::segment_precedes): Sort large data segments after other
9167         load segments.
9168         (align_file_offset): New static function.
9169         (Layout::set_segment_offsets): Use align_file_offset.
9170         * output.h (class Output_section): Add is_small_section_ and
9171         is_large_section_ fields.
9172         (Output_section::is_small_section): New function.
9173         (Output_section::set_is_small_section):  New function.
9174         (Output_section::is_large_section): New function.
9175         (Output_section::set_is_large_section): New function.
9176         (Output_section::is_large_data_section): New function.
9177         (class Output_segment): Add is_large_data_segment_ field.
9178         (Output_segment::is_large_data_segment): New function.
9179         (Output_segment::set_is_large_data_segment): New function.
9180         * output.cc (Output_section::Output_section): Initialize new
9181         fields.
9182         (Output_segment::Output_segment): Likewise.
9183         (Output_segment::add_output_section): Add assertion that large
9184         data sections always go in large data segments.  Force small data
9185         sections to the end of the list of data sections.  Force small BSS
9186         sections to the start of the list of BSS sections.  For large BSS
9187         sections to the end of the list of BSS sections.
9188         * symtab.h (class Symbol): Declare is_common_shndx.
9189         (Symbol::is_defined): Check Symbol::is_common_shndx.
9190         (Symbol::is_common): Likewise.
9191         (class Symbol_table): Define enum Commons_section_type.  Update
9192         declarations.  Add small_commons_ and large_commons_ fields.
9193         * symtab.cc (Symbol::is_common_shndx): New function.
9194         (Symbol_table::Symbol_table): Initialize new fields.
9195         (Symbol_table::add_from_object): Put small and large common
9196         symbols in the right list.
9197         (Symbol_table::sized_finalized_symbol): Check
9198         Symbol::is_common_shndx.
9199         (Symbol_table::sized_write_globals): Likewise.
9200         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9201         common symbol lists.  Don't call do_allocate_commons_list if the
9202         list is empty.
9203         (Symbol_table::do_allocate_commons_list): Remove is_tls
9204         parameter.  Add comons_section_type parameter.  Change all
9205         callers.  Handle small and large common symbols.
9206         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9207         Symbol::is_common_shndx.
9208         * resolve.cc (symbol_to_bits): Likewise.
9209         * target.h (Target::small_common_shndx): New function.
9210         (Target::small_common_section_flags): New function.
9211         (Target::large_common_shndx): New function.
9212         (Target::large_common_section_flags): New function.
9213         (Target::new_output_section): New function.
9214         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9215         small_common_section_flags, and large_common_section_flags
9216         fields.
9217         (Target::do_new_output_section): New virtual function.
9218         * arm.cc (Target_arm::arm_info): Initialize new fields.
9219         * i386.cc (Target_i386::i386_info): Likewise.
9220         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9221         Likewise.
9222         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9223         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9224         (Target_x86_64::do_new_output_section): New function.
9225         * configure.ac: Define conditional MCMODEL_MEDIUM.
9226         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9227         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9228         (large_LDFLAGS): Define.
9229         * testsuite/large.c: New file.
9230         * testsuite/testfile.cc (Target_test::test_target_info):
9231         Initialize new fields.
9232         * configure, testsuite/Makefile.in: Rebuild.
9233
9234 2009-06-05  Doug Kwan  <dougkwan@google.com>
9235
9236         * Makefile.am (CCFILES): Add target.cc.
9237         * Makefile.in: Regenerate.
9238         * i386.cc (class Target_i386): Define new virtual method to
9239         override do_is_local_label_name in parent.
9240         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9241         local symbols if --discard-locals or -X is given.
9242         * options.h (class General_options): Declare new options
9243         '--discard-locals' and '-X' for discarding locals.
9244         * target.h (class Target): Define new methods is_local_label_name.
9245         Declare new virtual method do_is_local_label_name.
9246         * target.cc: New file.
9247         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9248         (check_SCRIPTS): Add discard_locals_test.sh.
9249         (check_DATA): Add discard_local_tests.syms.
9250         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9251         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9252         * testsuite/Makefile.in: Regenerate.
9253         * testsuite/discard_locals_test.c: New file.
9254         * testsuite/discard_locals_test.sh: Same.
9255
9256 2009-06-05  Doug Kwan  <dougkwan@google.com>
9257
9258         * object.cc (Sized_relobj::Sized_relobj): Initialize
9259         discarded_eh_frame_shndx_ to -1U.
9260         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9261         section.
9262         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9263         a discarded .eh_frame section.
9264         (Sized_relobj::do_finalize_local_symbols): Ditto.
9265         * object.h (class Sized_relobj): Declare new member
9266         discarded_eh_frame_shndx_.
9267         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9268         (local_labels_test.o, local_labels_test): New rules.
9269         * testsuite/Makefile.in: Regenerate.
9270
9271 2009-06-04  Doug Kwan  <dougkwan@google.com>
9272
9273         * layout.cc (Layout::section_name_mapping): Add mapping for
9274         special ARM sections.
9275
9276 2009-06-03  Doug Kwan  <dougkwan@google.com>
9277
9278         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9279         (utils::has_overflow): Same.
9280
9281 2009-06-03  Ian Lance Taylor  <iant@google.com>
9282
9283         * layout.cc (Layout::section_name_mapping): New array, replacing
9284         Layout::linkonce_mapping.
9285         (Layout::section_name_mapping_count): New variable, replacing
9286         Layout::linkonce_mapping_count.
9287         (Layout::linkonce_output_name): Remove.
9288         (Layout::output_section_name): Rewrite.
9289         * layout.h (class Layout): Rename Linkonce_mapping to
9290         Section_name_mapping, linkonce_mapping to section_name_mapping,
9291         linkonce_mapping_count to section_name_mapping_count.  Don't
9292         declare linkonce_output_name.
9293
9294 2009-06-03  Doug Kwan  <dougkwan@google.com>
9295
9296         * gold/arm.cc (namespace utils): New.
9297         (Target_arm::reloc_is_non_pic): Define new method.
9298         (class Arm_relocate_functions): New.
9299         (Target_arm::Relocate::relocate): Handle relocation types used by
9300         Android.
9301
9302 2009-06-03  Ian Lance Taylor  <iant@google.com>
9303
9304         * arm.cc (Target_arm::scan::global): Use || instead of |.
9305
9306 2009-06-02  Doug Kwan  <dougkwan@google.com>
9307
9308         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9309         issued_non_pic_error_.
9310         (class Target_arm::Scan): Declare new method check_non_pic.
9311         Define new method symbol_needs_plt_entry.
9312         Declare new data member issued_non_pic_error_.
9313         (class Target_arm::Relocate): Declare new method
9314         should_apply_static_reloc.
9315         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9316         (Target_arm::Scan::check_non_pic): Define new method.
9317         (Target_arm::Scan::local): Handle a small subset of reloc types used
9318         by Android.
9319         (Target_arm::Scan::local): Same.
9320         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9321
9322 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9323
9324         * incremental.cc (Incremental_inputs::report_command_line): Filter
9325         out --incremental-* options.
9326
9327 2009-05-29  Doug Kwan  <dougkwan@google.com>
9328
9329         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9330         template class.
9331         (class Target_arm): Update comment.
9332         (Target_arm::Target_arm): Initialize new data members GOT_,
9333         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9334         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9335         and Target_arm::rel_dyn_section.
9336         Declare new_enum Target_arm::Got_type.
9337         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9338         and DYNBSS_.
9339         Update commments for member do_dynsym_value.
9340         (Target_arm::got_size, Target_arm::plt_section,
9341         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9342         new methods inside class defintion.
9343         (Target_arm::got_section): Define new method.
9344         (Target_arm::rel_dyn_section): Same.
9345         (Output_data_plt_arm): New template class.
9346         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9347         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9348         (Output_data_plt_arm::add_entry): Same.
9349         (Output_data_plt_arm::first_plt_entry): Define new
9350         static data member for PLT instruction template.
9351         (Output_data_plt_arm::plt_entry): Same.
9352         (Output_data_plt_arm::do_write): Define new method.
9353         (Target_arm::make_plt_entry): Same.
9354         (Target_arm::do_finalize_sections): Same.
9355         (Target_arm::do_dynsym_value): Same.
9356
9357 2009-05-28  Doug Kwan  <dougkwan@google.com>
9358
9359         * Makefile.am (TARGETSOURCES): Add arm.cc.
9360         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9361         * Makefile.in: Regenerate.
9362         * arm.cc: New file.
9363         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9364
9365 2009-05-26  Doug Kwan  <dougkwan@google.com>
9366
9367         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9368         (General_options::check_excluded_libs): Strip off directories in
9369         archive name before matching like GNU ld does.
9370         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9371         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9372         (exclude_libs_test_LDFLAGS): Add linker option
9373         -Wl,--exclude-libs,libexclude_libs_test_3
9374         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9375         an explicit archive without using -l.
9376         (alt/libexclude_libs_test_3.a): New make rule.
9377         * testsuite/Makefile.in: Regenerate.
9378         * testsuite/exclude_libs_test.c : Declare lib3_default().
9379         (main): Call it.
9380         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9381         * exclude_libs_test_3.c: New file.
9382
9383 2009-05-26  Nick Clifton  <nickc@redhat.com>
9384
9385         * po/id.po: New Indonesian translation.
9386         * po/gold.pot: Updated template file.
9387
9388 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9389
9390         * testsuite/Makefile.am: Add -ffunction-sections to compile
9391         gc_comdat_test files.  Add -Wl,--gc-sections to build
9392         gc_comdat_test.
9393         * testsuite/Makefile.in: Regenerate.
9394         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9395
9396 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9397
9398         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9399         kept comdat section was garbage collected.
9400         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9401         * testsuite/Makefile.in: Regenerate.
9402         * testsuite/gc_comdat_test.sh: New file.
9403         * testsuite/gc_comdat_test_1.cc: New file.
9404         * testsuite/gc_comdat_test_2.cc: New file.
9405
9406 2009-05-19  Doug Kwan  <dougkwan@google.com>
9407
9408         * archive.cc (Archive::Archive): Move constructor from archive.h
9409         to here.  Initialize no_export_.
9410         (Archive::get_elf_object_for_member): Set no_export flag of object.
9411         * archive.h (Archive::Archive): Move constructor body to
9412         archive.cc.
9413         (Archive::no_export): New method.
9414         (Archive::no_export_): New field.
9415         * object.h (Object::Object): Initialize no_export_ to false.
9416         (Object::no_export, Object::set_no_export): New methods.
9417         (Object::no_export_): New field.
9418         * options.cc (General_options::parse_exclude_libs): New method.
9419         (General_options::check_excluded_libs) Same.
9420         * options.h (exclude_libs): New option.
9421         (General_options::check_excluded_libs): New method declaration.
9422         (General_options::excluded_libs_): New field.
9423         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9424         default or protected visibility if an object has no-export flag set.
9425         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9426         (check_SCRIPTS): Add exclude_libs_test.sh.
9427         (check_DATA): Add exclude_libs_test.syms.
9428         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9429         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9430         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9431         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9432         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9433         libexclude_libs_test_2.a): New rules.
9434         * testsuite/Makefile.in: Regenerate.
9435         * testsuite/exclude_libs_test.c: New file.
9436         * testsuite/exclude_libs_test.sh: Ditto.
9437         * testsuite/exclude_libs_test_1.c: Ditto.
9438         * testsuite/exclude_libs_test_2.c: Ditto.
9439
9440 2009-05-15  Ian Lance Taylor  <iant@google.com>
9441
9442         * configure.ac: Check for declarations for cases where libiberty.h
9443         checks HAVE_DECL_xxx.
9444         * configure, config.in: Rebuild.
9445
9446 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9447
9448         * gold.h (Incremental_argument_list): Remove (invalid) forward
9449         declaration.
9450         * incremental.cc (Incremental_inputs::report_achive): New method.
9451         (Incremental_inputs::report_object): New method.
9452         (Incremental_inputs::report_script): New method.
9453         (Incremental_inputs::finalize_inputs): New method.
9454         (Incremental_inputs::finalize): Call finalize_inputs().
9455         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9456         Create inputs entries.
9457         * incremental.h (Incremental_input_type): New enum.
9458         (Incremental_inputs::Incremental_input): Initialize new fields.
9459         (Incremental_inputs::report_inputs): New method.
9460         (Incremental_inputs::report_achive): New method.
9461         (Incremental_inputs::report_object): New method.
9462         (Incremental_inputs::report_script): New method.
9463         (Incremental_inputs::finalize_inputs): New method.
9464         (Incremental_inputs::Input_info): New struct.
9465         (Incremental_inputs::Input_info_map): New typedef.
9466         (Incremental_inputs::lock_): New field.
9467         (Incremental_inputs::Inputs_): New field.
9468         (Incremental_inputs::Inputs_map): New field.
9469         * main.cc (main): Call Incremental_input::report_inputs.
9470         * options.h (Input_argument_list): Typedef moved from
9471         Input_arguments.
9472         (Input_file_group::Files): Remove, use ::Input_argument_list.
9473         (Input_file_group::Input_argument_list): Remove, use
9474         ::Input_argument_list.
9475         * plugin.cc (Plugin_manager::add_input_file): Add error in
9476         incremental build.
9477         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9478         functions.
9479         * script.cc (read_input_script): Call
9480         Incremental_input::report_script.
9481         * script.h (Script_info): New class.
9482
9483 2009-04-27  Ian Lance Taylor  <iant@google.com>
9484
9485         * x86_64.cc (do_adjust_output_section): Set entsize to
9486         plt_entry_size.
9487
9488 2009-04-23  Elliott Hughes  <enh@google.com>
9489
9490         * output.cc (Output_file::close): After short writes, continue
9491         writing from the correct offset in the buffer being written.
9492
9493 2009-04-23  Chris Demetriou  <cgd@google.com>
9494
9495         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9496         * configure: Regenerate.
9497         * config.in: Regenerate.
9498         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9499         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9500
9501 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9502
9503         * incremental.cc (Incremental_inputs_header_data): Renamed from
9504         Incremental_input_header_data.
9505         (Incremental_inputs_header_data::data_size): New field.
9506         (Incremental_inputs_header_data::put_input_file_count): Renamed
9507         from input_file_count.
9508         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9509         from command_line_offset.
9510         (Incremental_inputs_header_data::put_reserved): Renamed from
9511         put_reserved.
9512         (Incremental_inputs_entry_data): Renamed from
9513         Incremental_input_entry_data.
9514         (Incremental_inputs_entry_data::data_size): New field.
9515         (Incremental_inputs::report_command_line): New method.
9516         (Incremental_inputs::finalize): New method.
9517         (Incremental_inputs::create_incremental_inputs_data): New method.
9518         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9519         * incremental.h: New file.
9520         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9521        (Layout::finalize): Create incremental inputs section in
9522         incremental builds.
9523        (Layout::create_incremental_info_sections): New method.
9524         * layout.h (Layout::incremental_inputs): New method.
9525        (Layout::create_incremental_info_sections): New method.
9526        (Layout::incremental_inputs_): New field.
9527         * main.cc (main): Notify Incremental_input of the command line.
9528
9529 2009-04-01  Ian Lance Taylor  <iant@google.com>
9530             Mikolaj Zalewski  <mikolajz@google.com>
9531
9532         * gold.h (reserve_unordered_map): Define, three versions, one for
9533         each version of Unordered_map.
9534         * layout.cc (Layout::Layout): Remove options parameter.  Add
9535         number_of_input_files parameter.  Don't initialize options_.
9536         Initialize number_of_input_files_ and resized_signatures_.  Move
9537         sections_are_attached_.
9538         (Layout::layout_group): Reserve space for group_signatures_.
9539         (Layout::find_or_add_kept_section): Change name parameter to be a
9540         reference.  Resize signatures_ map when it gets large enough.
9541         (Layout::layout_eh_frame): Use parameters->options() instead of
9542         this->options_.
9543         (Layout::make_output_section): Likewise.
9544         (Layout::attach_allocated_section_to_segment): Likewise.
9545         (Layout::finalize, Layout::create_executable_stack): Likewise.
9546         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9547         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9548         * layout.h (class Layout): Update declarations.  Remove options_
9549         field.  Add number_of_input_files_ and resized_signatures_
9550         fields.  Move sections_are_attached_ field.
9551         * main.cc (main): Pass number of input files to Layout
9552         constructor.  Don't pass options.
9553
9554 2009-03-30  Ian Lance Taylor  <iant@google.com>
9555
9556         * ffsll.c (ffsll): Correct implementation.
9557
9558 2009-03-27  Ian Lance Taylor  <iant@google.com>
9559
9560         * ffsll.c: New file.
9561         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9562         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9563         * ftruncate.c (ftruncate): Declare before definition.
9564         * mremap.c (mremap): Likewise.
9565         * pread.c (pread): Likewise.
9566         * configure, Makefile.in, config.in: Rebuild.
9567
9568         * mremap.c: New file.
9569         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9570         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9571         (mremap): Declare if HAVE_MREMAP is not defined.
9572         * configure, Makefile.in, config.in: Rebuild.
9573
9574 2009-03-27  Cary Coutant  <ccoutant@google.com>
9575
9576         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9577         position independent.
9578         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9579         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9580
9581 2009-03-24  Cary Coutant  <ccoutant@google.com>
9582
9583         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9584         an executable.
9585         (needs_dynamic_reloc): Likewise.
9586
9587 2009-03-24  Ian Lance Taylor  <iant@google.com>
9588
9589         * yyscript.y (file_cmd): Recognize EXTERN.
9590         (extern_name_list, extern_name_list_body): New nonterminals.
9591         * script.cc (script_add_extern): Define.
9592         * script-c.h (script_add_extern): Declare.
9593
9594 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9595
9596         * object.cc (is_elf_object): Define.
9597         * object.h (is_elf_object): Declare.
9598         * archive.cc (Archive::get_elf_object_for_member): Call
9599         is_elf_object.
9600         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9601
9602 2009-03-24  Elliott Hughes  <enh@google.com>
9603
9604         * output.cc (Output_file::map_anonymous): Define.
9605         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9606         try an anonymous one.  Report the size if the mmap fails.
9607         * output.h (class Output_file): Declare map_anonymous.
9608
9609 2009-03-24  Ian Lance Taylor  <iant@google.com>
9610
9611         * target-select.cc (instantiate_target): Don't acquire the lock if
9612         the instantiated_target_ field has already been set.
9613
9614 2009-03-23  Ian Lance Taylor  <iant@google.com>
9615
9616         * gold-threads.h (class Initialize_lock): Define.
9617         * gold-threads.cc (class Initialize_lock_once): Define.
9618         (initialize_lock_control): New static variable.
9619         (initialize_lock_pointer): New static variable.
9620         (initialize_lock_once): New static function.
9621         (Initialize_lock::Initialize_lock): Define.
9622         (Initialize_lock::initialize): Define.
9623         * target-select.h: Include "gold-threads.h".
9624         (class Target_selector): Add lock_ and initialize_lock_ fields.
9625         Don't define instantiate_target, just declare it.
9626         * target-select.cc (Target_selector::Target_selector): Initialize
9627         new fields.
9628         (Target_selector::instantiate_target): Define.
9629         * descriptors.h: Include "gold-threads.h".
9630         (class Descriptors): Add initialize_lock_ field.
9631         * descriptors.cc (Descriptors::Descriptors): Initialize new
9632         field.
9633         (Descriptors::open): Use initialize_lock_ field
9634         * errors.h (class Errors): Add initialize_lock_ field.
9635         * errors.cc (Errors::Errors): Initialize new field.
9636         (Errors::initialize_lock): Use initialize_lock_ field.
9637         * powerpc.cc (class Target_selector_powerpc): Remove
9638         instantiated_target_ field.  In do_recognize call
9639         instantiate_target rather than do_instantiate_target.  In
9640         do_instantiate_target just allocate a new target.
9641         * sparc.cc (class Target_selector_sparc): Likewise.
9642
9643         * freebsd.h: New file.
9644         * i386.cc: Include "freebsd.h".
9645         (Target_i386): Derive from Target_freebsd rather than
9646         Sized_target.
9647         (Target_selector_i386): Derive from Target_selector_freebsd rather
9648         than Target_selector.
9649         * x86_64.cc: Include "freebsd.h".
9650         (Target_x86_64): Derive from Target_freebsd rather than
9651         Sized_target.
9652         (Target_selector_x86_64): Derive from Target_selector_freebsd
9653         rather than Target_selector.
9654         * target.h (class Target): Add adjust_elf_header and
9655         do_adjust_elf_header.
9656         * output.cc (Output_file_header:: do_sized_write): Call target
9657         adjust_elf_header routine.
9658         * configure.tgt: Set targ_osabi.
9659         * configure.ac: Define GOLD_DEFAULT_OSABI.
9660         * parameters.cc (Parameters::default_target): Pass
9661         GOLD_DEFAULT_OSABI to select_target.
9662         * target-select.h (class Target_selector): Make instantiate_target
9663         protected rather than private.
9664         * Makefile.am (HFILES): Add freebsd.h.
9665         * configure, Makefile.in, config.in: Rebuild.
9666
9667         * merge.cc (do_add_input_section): Correct pend value.  Change
9668         message about last entry not being null terminated from error to
9669         warning.
9670
9671 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9672
9673         * incremental.cc: New file.
9674         * Makefile.am (CCFILES): Add incremental.cc.
9675         * Makefile.in: Rebuild.
9676
9677 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9678
9679         * layout.cc (Layout::output_section_name): Preserve names
9680         of '.note.' sections.
9681
9682 2009-03-19  Ian Lance Taylor  <iant@google.com>
9683
9684         * descriptors.cc (Descriptors::open): Check that the options are
9685         valid before using them.
9686
9687 2009-03-18  Ian Lance Taylor  <iant@google.com>
9688
9689         * script-sections.h: Include <list>.
9690         (class Script_sections): Change Sections_elements from std::vector
9691         to std::list.  Typedef public Elements_iterator.  Add
9692         orphan_section_placement_, data_segment_align_start_, and
9693         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9694         field.
9695         * script-sections.cc (class Orphan_section_placement): New class.
9696         (class Sections_element): Add virtual functions is_relro and
9697         orphan_section_init.  Remove virtual function place_orphan_here.
9698         (class Output_section_definition): Add is_relro and
9699         orphan_section_init.  Remove place_orphan_here.
9700         (class Orphan_output_section): Likewise.
9701         (Script_sections::Script_sections): Update for field changes.
9702         (Script_sections::data_segment_align): Set saw_data_segment_align_
9703         and data_segment_align_start_, not data_segment_align_index.
9704         (Script_sections::data_segment_relro_end): Check
9705         saw_data_segment_align_.  Use data_segment_align_start_ rather
9706         than data_segment_align_index_.
9707         (Script_sections::place_orphan): Rewrite to use
9708         Orphan_section_placement.
9709
9710 2009-03-17  Ian Lance Taylor  <iant@google.com>
9711
9712         * archive.cc (Archive::add_symbols): Check for a version attached
9713         to the symbol name in the archive map.
9714         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9715         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9716         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9717         (ver_test_11.a): New target.
9718         * testsuite/Makefile.in: Rebuild.
9719
9720         * configure.ac: Check for chsize and posix_fallocate.  Replace
9721         ftruncate.
9722         * ftruncate.c: New file, from gnulib.
9723         * output.cc (posix_fallocate): Define dummy version if not
9724         HAVE_POSIX_FALLOCATE.
9725         (Output_file::map): Call posix_fallocate rather than lseek and
9726         write.
9727         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9728         * configure, Makefile.in, config.in: Rebuild.
9729
9730 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9731
9732         * layout.h (Layout::create_note): Add section_name parameter.
9733         * layout.cc (Layout::create_note): Likewise.
9734         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9735
9736 2009-03-17  Ian Lance Taylor  <iant@google.com>
9737
9738         * descriptors.cc: Include "options.h".
9739         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9740         (Descriptors::open): Always use O_CLOEXEC when opening a new
9741         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9742         then set FD_CLOEXEC.
9743
9744         * sparc.cc (class Target_sparc): Add has_got_section.
9745         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9746         make sure we have a GOT section.
9747
9748         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9749         (Target_sparc::Scan::local): Likewise.
9750         (Target_sparc::Scan::global): Likewise.
9751         (Target_sparc::Relocate::relocate): Likewise.
9752         (Target_sparc::Relocate::relocate_tls): Likewise.
9753
9754         * symtab.cc (Symbol_table::define_default_version): New function,
9755         broken out of add_from_object.
9756         (Symbol_table::add_from_object): Call define_default_version.
9757         (Symbol_table::define_special_symbol): Add resolve_oldsym
9758         parameter.  Change all callers.  If the version for a symbol comes
9759         from a version script, resolve it with the symbol with the same
9760         name with no version.  Also add the symbol without a version if
9761         appropriate.
9762         (do_define_in_output_data): If resolving with oldsym, don't delete
9763         sym.
9764         (do_define_in_output_segment): Likewise.
9765         (do_define_as_constant): Likewise.
9766         * symtab.h (class Symbol_table): Update declarations.
9767
9768 2009-03-13  Ian Lance Taylor  <iant@google.com>
9769
9770         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9771         (Read_symbols::requeue): New function.
9772         (Read_symbols::do_read_symbols): If make_elf_object fails because
9773         the target type is not configured, and the file was searched for,
9774         issue a warning and retry with the next directory.
9775         (Add_symbols::run): If the file has an incompatible format, and
9776         it was searched for, requeue the Read_symbols task.  On error,
9777         release the object.
9778         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9779         dirindex parameter to constructor.  Change all callers.  Declare
9780         incompatible_warning and requeue.
9781         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9782         input_argument_ and input_group_ fields.  Add them to
9783         constructor.  Change all callers.
9784         (class Read_script): Add dirindex_ field.  Add it to constructor.
9785         Change all callers.
9786         * archive.cc (Archive::setup): Remove input_objects parameter.
9787         Change all callers.
9788         (Archive::get_file_and_offset): Likewise.
9789         (Archive::read_all_symbols): Likewise.
9790         (Archive::read_symbols): Likewise.
9791         (Archive::get_elf_object_for_member): Remove input_objects
9792         parameter.  Add punconfigured parameter.  Change all callers.
9793         (Archive::add_symbols): Change return type to bool.  Check return
9794         value of include_member.
9795         (Archive::include_all_members): Likewise.
9796         (Archive::include_member): Change return type to bool.  Return
9797         false if first included object has incompatible target.  Set
9798         included_member_ field.
9799         (Add_archive_symbols::run): If add_symbols returns false, requeue
9800         Read_symbols task.
9801         * archive.h (class Archive): Add included_member_ field.
9802         Initialize it in constructor.  Add input_file and searched_for
9803         methods.  Update declarations.
9804         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9805         input_argument_ fields.  Add them to constructor.  Change all
9806         callers.
9807         * script.cc: Include "target-select.h".
9808         (class Parser_closure): Add skip_on_incompatible_target_ and
9809         found_incompatible_target_ fields.  Add
9810         skip_on_incompatible_target parameter to constructor.  Change all
9811         callers.  Add methods skip_on_incompatible_target,
9812         clear_skip_on_incompatible_target, found_incompatible_target, and
9813         set_found_incompatible_target.
9814         (read_input_script): Add dirindex parameter.  Change all callers.
9815         If parser finds an incompatible target, requeue Read_symbols
9816         task.
9817         (script_set_symbol): Clear skip_on_incompatible_target in
9818         closure.
9819         (script_add_assertion, script_parse_option): Likewise.
9820         (script_start_sections, script_add_phdr): Likewise.
9821         (script_check_output_format): New function.
9822         * script.h (read_input_script): Update declaration.
9823         * script-c.h (script_check_output_format): Declare.
9824         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9825         (ignore_cmd): Remove OUTPUT_FORMAT.
9826         * fileread.cc (Input_file::Input_file): Add explicit this.
9827         (Input_file::will_search_for): New function.
9828         (Input_file::open): Add pindex parameter.  Change all callers.
9829         * fileread.h (class Input_file): Add input_file_argument method.
9830         Declare will_search_for.  Update declarations.
9831         * object.cc (make_elf_object): Add punconfigured parameter.
9832         Change all callers.
9833         * object.h (class Object): Make input_file public.  Add
9834         searched_for method.
9835         (make_elf_object): Update declaration.
9836         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9837         restart search.
9838         * dirsearch.h (class Dirsearch): Update declaration.
9839         * options.h (class General_options): Add --warn-search-mismatch.
9840         * parameters.cc (Parameters::is_compatible_target): New function.
9841         * parameters.h (class Parameters): Declare is_compatible_target.
9842         * workqueue.cc (Workqueue::add_blocker): New function.
9843         * workqueue.h (class Workqueue): Declare add_blocker.
9844
9845         * fileread.cc (Input_file::open): Remove options parameter.
9846         Change all callers.
9847         (Input_file::open_binary): Likewise.
9848         * script.cc (read_input_script): Likewise.
9849         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9850         options parameter from constructor.  Change all callers.
9851         (class Read_script): Likewise.
9852         * fileread.h (class Input_file): Update declarations.
9853         * script.h (read_input_script): Update declaration.
9854
9855 2009-03-10  Nick Clifton  <nickc@redhat.com>
9856
9857         * po/es.po: New Spanish translation.
9858
9859 2009-03-06  Cary Coutant  <ccoutant@google.com>
9860
9861         * options.cc (parse_short_option): Keep dash_z from registering itself.
9862
9863 2009-03-03  Ian Lance Taylor  <iant@google.com>
9864
9865         PR 9918
9866         * target-reloc.h (relocate_section): Pass output_section to
9867         relocate.
9868         * i386.cc (Target_i386::should_apply_static_reloc): Add
9869         output_section parameter.  Change all callers.
9870         (Target_i386::Relocate::relocate): Add output_section parameter.
9871         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9872         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9873         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9874         * testsuite/two_file_shared.sh: New script.
9875         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9876         (check_DATA): Add two_file_shared.dbg.
9877         (two_file_shared.dbg): New target.
9878         * testsuite/Makefile.in: Rebuild.
9879
9880 2009-03-01  Ian Lance Taylor  <iant@google.com>
9881
9882         * configure.ac: Check for byteswap.h.
9883         * configure: Rebuild.
9884         * config.in: Rebuild.
9885
9886 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9887
9888         * layout.cc (Layout::find_or_add_kept_section): New function.
9889         (Layout::add_comdat): Removed.
9890         * layout.h (struct Kept_section): Move out of class Layout.
9891         Remove trailing underscores from field names.  Add group_sections
9892         field.  Rename group_ field to is_group.  Change all uses.
9893         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9894         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9895         comdat_groups_ field.
9896         (Sized_relobj::include_section_group): Use
9897         find_or_add_kept_section and Kept_section::group_sections.
9898         (Sized_relobj::include_linkonce_section): Likewise.
9899         * object.cc (class Sized_relobj): Don't define Comdat_group or
9900         Comdat_group_table.  Remove find_comdat_group and
9901         add_comdat_group.  Remove comdat_groups_ field.
9902         * plugin.cc (include_comdat_group): Use
9903         Layout::find_or_add_kept_section.
9904
9905 2009-02-28  Ian Lance Taylor  <iant@google.com>
9906
9907         * README: --gc-sections and map files are now supported.  Document
9908         some build requirements.
9909
9910         PR 6992
9911         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9912         relocatable link set the value of the section symbol to zero.
9913         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9914         relocatable link don't include the section address in the local
9915         symbol value.
9916
9917 2009-02-27  Ian Lance Taylor  <iant@google.com>
9918
9919         PR 6811
9920         * options.h (class Search_directory): Add is_system_directory.
9921         (class General_options): Declare is_in_system_directory.
9922         * options.cc (get_relative_sysroot): Make static.
9923         (get_default_sysroot): Make static.
9924         (General_optoins::is_in_system_directory): New function.
9925         * fileread.cc (Input_file::is_in_system_directory): New function.
9926         * fileread.h (class Input_file): Declare is_in_system_directory.
9927         * object.h (class Object): Add is_in_system_directory.
9928         (class Input_objects): Remove system_library_directory_ field.
9929         * object.cc (Input_objects::add_object): Don't set
9930         system_library_directory_.
9931         (input_objects::found_in_system_library_directory): Remove.
9932         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9933         parameter.  Change all callers.
9934         (Symbol_table::sized_write_globals): Likewise.
9935         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9936         Call Object::is_in_system_directory.
9937         * symtab.h (class Symbol_table): Update declarations.
9938
9939         PR 5990
9940         * descriptors.h (Open_descriptor): Add is_on_stack field.
9941         * descriptors.cc (Descriptors::open): If the descriptor is on the
9942         top of the stack, remove it.  Initialize is_on_stack field.
9943         (Descriptors::release): Only add pod to stack if it is not on the
9944         stack already.
9945         (Descriptors::close_some_descriptor): Clear stack_next and
9946         is_on_stack fields.
9947
9948         PR 7091
9949         * output.cc (Output_section::find_starting_output_address): Rename
9950         from starting_output_address; add PADDR parameter; change return
9951         type.
9952         * output.h (class Output_section): Declare
9953         find_starting_output_address instead of starting_output_address.
9954         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9955         section symbol for which we can't find a merge section.
9956
9957         PR 9836
9958         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9959         hidden or internal, force the symbol to be local.
9960         * resolve.cc (Symbol::override_visibility): Define.
9961         (Symbol::override_base): Use override_visibility.
9962         (Symbol_table::resolve): Likewise.
9963         (Symbol::override_base_with_special): Likewise.
9964         (Symbol_table::override_with_special): If the visibility is hidden
9965         or internal, force the symbol to be local.
9966         * symtab.h (class Symbol): Add set_visibility and
9967         override_visibility.
9968         * testsuite/ver_test_1.sh: New file.
9969         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9970         (check_DATA): Add ver_test_1.syms.
9971         (ver_test_1.syms): New target.
9972         * testsuite/Makefile.in: Rebuild.
9973
9974 2009-02-25  Cary Coutant  <ccoutant@google.com>
9975
9976         * layout.cc (Layout::choose_output_section): Don't rename sections
9977         when using a linker script that has a SECTIONS clause.
9978         * Makefile.in: Regenerate.
9979
9980         * testsuite/Makefile.am (script_test_5.sh): New test case.
9981         * testsuite/Makefile.in: Regenerate.
9982         * testsuite/script_test_5.cc: New file.
9983         * testsuite/script_test_5.sh: New file.
9984         * testsuite/script_test_5.t: New file.
9985
9986 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9987
9988         * archive.cc (Archive::include_member): Update calls to add_symbols.
9989         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9990         the Layout argument.
9991         * dynobj.h (do_add_symbols): Add the Layout argument.
9992         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9993         Layout argument.
9994         * object.h (Object::add_symbols): Add the Layout argument.
9995         (Object::do_add_symbols): Add the Layout argument.
9996         (Sized_relobj::do_add_symbols): Add the Layout argument.
9997         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9998         Unify the two versions.
9999         (Add_plugin_symbols): Remove.
10000         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10001         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10002         (Add_plugin_symbols): Remove.
10003         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10004         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10005         (Add_symbols::run): Make it work with Pulginobj.
10006
10007 2009-02-06  Ian Lance Taylor  <iant@google.com>
10008
10009         * object.cc (Sized_relobj::do_layout): Make info message start
10010         with lower case letter.
10011
10012 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10013
10014         * binary.cc: Fix file comment.
10015
10016         * options.h (enum Incremental_disposition): Define.
10017         (class General_options): Add new options: --incremental,
10018         --incremental_changed, --incremental_unchanged,
10019         --incremental_unknown.  Add incremental_disposition_ and
10020         implicit_incremental_ fields.
10021         (General_options::incremental_disposition): New function.
10022         (class Position_dependent_options): Add incremental_disposition
10023         option.
10024         (Position_dependent_options::copy_from_options): Set incremental
10025         dispositions.
10026         * options.cc (General_options::parse_incremental_changed): New
10027         function.
10028         (General_options::parse_incremental_unchanged): New function.
10029         (General_options::parse_incremental_unknown): New function.
10030         (General_options::General_options): Initialize new fields
10031         incremental_disposition_ and implicit_incremental_.
10032         (General_options::finalize): Check for uasge of --incremental-*
10033         without --incremental.
10034
10035 2009-02-06  Chris Demetriou  <cgd@google.com>
10036
10037         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10038         pointer and to report location as the file name associated with
10039         the symbol.
10040         (gold_undefined_symbol_at_location): New function to replace the
10041         old gold_undefined_symbol functionality.
10042         * target-reloc.h (relocate_section): Update to use
10043         gold_undefined_symbol_at_location.
10044         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10045         Call gold_undefined_symbol function rather than gold_error.
10046         * errors.h (Errors::undefined_symbol): Take location as a
10047         string, rather than calculating it from a relocation.
10048         * errors.cc (Errors::fatal): Print "fatal error:" before the
10049         formatted message.
10050         (Errors::error, Errors::error_at_location): Print "error: "
10051         before the formatted message.
10052         (Errors::undefined_symbol): Take location as a string, rather
10053         than calculating it from a relocation.
10054         (gold_undefined_symbol_at_location): New function akin to
10055         old gold_undefined_symbol, calculates location from relocation.
10056         (gold_undefined_symbol): Change to take only a Symbol pointer
10057         and to report location as the file name associated with the symbol.
10058         * testsuite/debug_msg.sh: Update for changed error messages.
10059         * testsuite/undef_symbol.sh: Likewise.
10060
10061 2009-02-04  Duncan Sands  <baldrick@free.fr>
10062
10063         PR 9812
10064         * reduced_debug_output.h
10065         (Output_reduced_debug_abbrev_section::failed): Use format for
10066         gold_warning.
10067         (Output_reduced_debug_info_section::faild): Likewise.
10068
10069 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10070
10071         * script.cc (Lazy_demangler): New class.
10072         (Version_script_info::get_symbol_version_helper): Demangle a
10073         symbol only once.
10074
10075 2009-01-29  Cary Coutant  <ccoutant@google.com>
10076
10077         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10078         to __tls_get_addr.
10079         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10080
10081 2009-01-28  Ian Lance Taylor  <iant@google.com>
10082
10083         * version.cc (version_string): Bump to 1.9.
10084
10085         * gold.h: Include <cstring> and <stdint.h>.
10086         * version.cc: Include <cstdio>.
10087         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10088         warning.
10089         * reduced_debug_output.cc (insert_into_vector): Rename from
10090         Insert_into_vector; change all callers.  Use Swap_unaligned to
10091         avoid aliasing issue; remove union since it is unnecessary.
10092
10093 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10094
10095         * Makefile.am (CCFILES): Add gc.cc.
10096         (HFILES): Add gc.h.
10097         * Makefile.in: Regenerate.
10098         * gold.cc (Gc_runner): New class.
10099         (queue_initial_tasks): Call garbage collection related tasks
10100         when corresponding options are invoked.
10101         (queue_middle_gc_tasks): New function.
10102         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10103         processed early before laying out sections during garbage collection.
10104         * gold.h (queue_middle_gc_tasks): New function.
10105         (is_prefix_of): Move from "layout.cc".
10106         * i386.cc (Target_i386::gc_process_relocs): New function.
10107         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10108         * main.cc (main): Create object of class "Garbage_collection".
10109         * object.cc (Relobj::copy_symbols_data): New function.
10110         (Relobj::is_section_name_included): New function.
10111         (Sized_relobj::do_layout): Allow this function to be called twice
10112         during garbage collection and defer layout of section during the
10113         first call.
10114         * object.h (Relobj::get_symbols_data): New function.
10115         (Relobj::is_section_name_included): New function.
10116         (Relobj::copy_symbols_data): New function.
10117         (Relobj::set_symbols_data): New function.
10118         (Relobj::get_relocs_data): New function.
10119         (Relobj::set_relocs_data): New function.
10120         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10121         (Relobj::gc_process_relocs): New function.
10122         (Relobj::do_gc_process_relocs): New pure virtual function.
10123         (Relobj::sd_): New data member.
10124         (Sized_relobj::is_output_section_offset_invalid): New function.
10125         (Sized_relobj::do_gc_process_relocs): New function.
10126         * options.h (General_options::gc_sections): Modify to not be a no-op.
10127         (General_options::print_gc_sections): New option.
10128         * plugin.cc (Plugin_finish::run): Remove function call to
10129         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10130         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10131         * reloc.cc (Read_relocs::run): Add task to process relocs and
10132         determine unreferenced sections when doing garbage collection.
10133         (Gc_process_relocs): New class.
10134         (Sized_relobj::do_gc_process_relocs): New function.
10135         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10136         sections that are garbage collected.
10137         * reloc.h (Gc_process_relocs): New class.
10138         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10139         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10140         symbols whose corresponding sections are garbage collected.
10141         (Symbol_table::Symbol_table): Add new parameter for the garbage
10142         collection object.
10143         (Symbol_table::gc_mark_undef_symbols): New function.
10144         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10145         (Symbol_table::gc_mark_dyn_syms): New function.
10146         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10147         as garbage.
10148         (Symbol_table::add_from_object): Likewise.
10149         (Symbol_table::add_from_relobj): When building shared objects, do not
10150         treat externally visible symbols as garbage.
10151         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10152         table information for static and relocatable links.
10153         * symtab.h (Symbol_table::set_gc): New function.
10154         (Symbol_table::gc): New function.
10155         (Symbol_table::gc_mark_undef_symbols): New function.
10156         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10157         (Symbol_table::gc_mark_dyn_syms): New function.
10158         (Symbol_table::gc_): New data member.
10159         * target.h (Sized_target::gc_process_relocs): New pure virtual
10160         function.
10161         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10162         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10163
10164 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10165
10166         * options.h (General_options::gc_sections): Define as a no-op for now.
10167         (General_options::no_keep_memory): Ditto.
10168         (General_options::Bshareable): Define.
10169         * options.cc (General_options::finalize): Honor -Bshareable.
10170
10171 2009-01-20  Andreas Schwab  <schwab@suse.de>
10172
10173         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10174         read the value in the contents, since we don't use it.  Use the
10175         template endianness when writing.
10176         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10177
10178 2009-01-19  Andreas Schwab  <schwab@suse.de>
10179
10180         * configure.tgt (powerpc64-*): Fix targ_obj.
10181
10182 2009-01-15  Ian Lance Taylor  <iant@google.com>
10183
10184         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10185         local symbols when stripping all symbols.
10186
10187 2009-01-14  Cary Coutant  <ccoutant@google.com>
10188
10189         * output.cc (Output_reloc): Add explicit instantiations.
10190
10191 2009-01-14  Cary Coutant  <ccoutant@google.com>
10192
10193         * archive.cc (Archive::get_elf_object_for_member): Remove call
10194         to File_read::claim_for_plugin.
10195         * descriptors.cc (Descriptors::open): Remove reference to
10196         is_claimed.
10197         (Descriptors::claim_for_plugin): Remove.
10198         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10199         (Descriptors::is_claimed): Remove.
10200         (claim_descriptor_for_plugin): Remove.
10201         * fileread.cc (File_read::claim_for_plugin): Remove.
10202         * fileread.h (File_read::claim_for_plugin): Remove.
10203         (File_read::descriptor): Reopen descriptor if necessary.
10204         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10205         (Plugin_manager::all_symbols_read): Add task parameter. Change
10206         all callers.
10207         (Plugin_manager::get_input_file): New function.
10208         (Plugin_manager::release_input_file): New function.
10209         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10210         corresponding data member.
10211         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10212         and pass to base constructor. Change all callers.
10213         (get_input_file, release_input_file): New functions.
10214         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10215         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10216         (Plugin_manager::all_symbols_read): Add task parameter.
10217         (Plugin_manager::get_input_file): New function.
10218         (Plugin_manager::release_input_file): New function.
10219         (Plugin_manager::task_): New data member.
10220         (Pluginobj::Pluginobj): Add filesize parameter.
10221         (Pluginobj::filename): New function.
10222         (Pluginobj::descriptor): New function.
10223         (Pluginobj::filesize): New function.
10224         (Pluginobj::filesize_): New data member.
10225         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10226         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10227         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10228
10229         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10230         with archive libraries.
10231         * testsuite/Makefile.in: Regenerate.
10232         * testsuite/plugin_test.c (struct sym_info): New type.
10233         (get_input_file, release_input_file): New static variables.
10234         (onload): Capture new transfer vector entries.
10235         (claim_file_hook): Stop reading at end of file according to filesize.
10236         Factor out parsing of readelf output into separate function.
10237         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10238         APIs and get the source file name from the symbol table.  Convert
10239         source file name to corresponding object file name.  Print info
10240         message when adding new input files.
10241         (parse_readelf_line): New function.
10242         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10243         * testsuite/plugin_test_2.sh: Likewise.
10244         * testsuite/plugin_test_3.sh: Likewise.
10245         * testsuite/plugin_test_4.sh: New test case.
10246
10247 2009-01-07  Ian Lance Taylor  <iant@google.com>
10248
10249         * version.cc (version_string): Bump to 1.8.
10250
10251 2008-12-23  Cary Coutant  <ccoutant@google.com>
10252
10253         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10254         * plugin.cc (Plugin_manager::finish): Rename as
10255         layout_deferred_objects.  Move cleanup to separate function.
10256         (Plugin_manager::cleanup): New function.
10257         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10258         separately.
10259         * plugin.h (Plugin_manager::finish): Rename as
10260         layout_deferred_objects.
10261         (Plugin_manager::cleanup): New function.
10262         (Plugin_manager::cleanup_done): New field.
10263
10264 2008-12-23  Cary Coutant  <ccoutant@google.com>
10265
10266         * plugin.cc (is_visible_from_outside): New function.
10267         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10268         so we don't return "IR only" status for exported symbols or -r links.
10269
10270         * testsuite/Makefile.am (plugin_test_3): New test case.
10271         * testsuite/Makefile.in: Regenerate.
10272         * testsuite/plugin_test_3.sh: New file.
10273
10274 2008-12-22  Cary Coutant  <ccoutant@google.com>
10275
10276         * object.cc (Sized_relobj::layout_section): New function.
10277         (Sized_relobj::do_layout): Defer layout of input sections until after
10278         plugin has provided replacement files.
10279         (Sized_relobj::do_layout_deferred_sections): New function.
10280         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10281         (Relobj::layout_deferred_sections): New function.
10282         (Relobj::do_layout_deferred_sections): New function.
10283         (Sized_relobj::do_layout_deferred_sections): New function.
10284         (Sized_relobj::layout_section): New function.
10285         (Sized_relobj::Deferred_layout): New structure.
10286         (Sized_relobj::deferred_layout_): New field.
10287         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10288         Change all callers.  Layout deferred sections.
10289         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10290         references.
10291         (Plugin_hook::run): Move code from do_plugin_hook inline.
10292         (Plugin_hook::do_plugin_hook): Remove.
10293         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10294         (Plugin_manager::finish): Renamed, was cleanup.
10295         (Plugin_manager::should_defer_layout): New function.
10296         (Plugin_manager::add_deferred_layout_object): New function.
10297         (Plugin_manager::Deferred_layout_list): New type.
10298         (Plugin_manager::deferred_layout_objects_): New field.
10299         (Plugin_hook::do_plugin_hook): Remove.
10300
10301 2008-12-17  Ian Lance Taylor  <iant@google.com>
10302
10303         * options.h (class General_options): Add --no case for
10304         --export-dynamic.
10305
10306 2008-12-16  Cary Coutant  <ccoutant@google.com>
10307
10308         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10309         vector.
10310         (Plugin_manager::claim_file): Create plugin object even if
10311         plugin did not call the add_symbols callback.
10312         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10313         asking for more symbols than were added.
10314         * testsuite/Makefile.am (plugin_test_1): Add test case with
10315         no global symbols.
10316         (empty.syms): New target.
10317         * testsuite/Makefile.in: Regenerate.
10318         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10319         message. Don't call add_symbols if no globals.
10320         (all_symbols_read_hook): Don't provide replacement for empty
10321         claimed file.
10322
10323 2008-12-12  Ian Lance Taylor  <iant@google.com>
10324
10325         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10326         r_type == 0 for a local symbol with r_sym == 0.
10327         (scan_relocatable_relocs): Pass r_sym to
10328         local_non_section_strategy.
10329         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10330         r_sym parameter.
10331
10332         * configure.ac: Update test for TLS descriptors: they are
10333         supported as of glibc 2.9.
10334         * configure: Rebuild.
10335
10336 2008-12-11  Ian Lance Taylor  <iant@google.com>
10337
10338         PR 7091
10339         * target-reloc.h (Default_scan_relocatable_relocs): For each
10340         function, map r_type == 0 to RELOC_DISCARD.
10341
10342 2008-12-10  Cary Coutant  <ccoutant@google.com>
10343
10344         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10345         object to override a kept COMDAT group from a plugin object.
10346
10347 2008-12-09  Ian Lance Taylor  <iant@google.com>
10348
10349         PR 7088
10350         * yyscript.y (file_cmd): Handle INPUT.
10351
10352         * testsuite/initpri1.c: Change all declarations to be full
10353         prototypes by adding void, to avoid compiler warnings.
10354
10355 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10356
10357         * options.cc (General_options::parse_plugin_opt): New.
10358         (General_options::add_plugin): The argument now is just the filename.
10359         (General_options::add_plugin_option): New.
10360         * options.h (plugin_opt): New.
10361         (add_plugin): Change argument name.
10362         (add_plugin_option): New.
10363         * plugin.cc (Plugin::load): Don't parse the plugin option.
10364         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10365         (Plugin::add_option): New.
10366         (Plugin::args_): Change type.
10367         (Plugin::filename_): New.
10368         (Plugin_manager::add_plugin_option): New.
10369         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10370         * testsuite/Makefile.in: Regenerate.
10371
10372 2008-12-05  Cary Coutant  <ccoutant@google.com>
10373
10374         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10375         Handle --strip-lto-sections option.
10376         * options.h (strip_lto_sections): New option.
10377
10378 2008-12-01  Cary Coutant  <ccoutant@google.com>
10379
10380         * plugin.cc (ld_plugin_message): Change format parameter to const.
10381         Fix mismatch between new[] and delete.
10382
10383 2008-11-14  Cary Coutant  <ccoutant@google.com>
10384
10385         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10386         instead of -1U.
10387
10388 2008-11-05  Craig Silverstein  <csilvers@google.com>
10389
10390         * options.cc (General_options::parse_dynamic_list): New function.
10391         * options.h (General_options): New flags dynamic_list,
10392         dynamic_list_data, dynamic_list_cpp_new, and
10393         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10394         (General_options::in_dynamic_list): New function.
10395         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10396         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10397         (Lex::can_continue_name): Likewise.
10398         (yylex): Likewise.
10399         (read_script_file): New parameter script_options.
10400         (read_dynamic_list): New function.
10401         (Script_options::define_dynamic_list): New function.
10402         (dynamic_list_keyword_parsecodes): New variable.
10403         (dynamic_list_keywords): New variable.
10404         * script.h (Script_options::define_dynamic_list): New function
10405         prototype.
10406         (read_dynamic_list): New function prototype.
10407         * symtab.cc (strprefix): New macro.
10408         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10409         dynamic_list_data, dynamic_list_cpp_new, and
10410         dynamic_list_cpp_typeinfo.
10411         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10412         (dynamic_list_expr): New rule.
10413         (dynamic_list_nodes): Likewise.
10414         (dynamic_list_node): Likewise.
10415         * testsuite/Makefile.am (dynamic_list): New test.
10416         * testsuite/Makefile.in: Regenerated.
10417         * testsuite/dynamic_list.t: New file.
10418         * testsuite/dynamic_list.sh: New file.
10419
10420 2008-11-05  Craig Silverstein  <csilvers@google.com>
10421
10422         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10423         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10424         (t11_last): Likewise.
10425         * testsuite/ver_test_6.c (main): Likewise.
10426
10427 2008-10-07  Cary Coutant  <ccoutant@google.com>
10428
10429         * options.c (General_options::finalize): Add check for -static and
10430         -shared.
10431         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10432         is not empty.
10433
10434 2008-10-02  Cary Coutant  <ccoutant@google.com>
10435
10436         * plugin.cc (make_sized_plugin_object): Fix conditional
10437         compilation to work when not all targets are enabled.
10438
10439 2008-09-29  Cary Coutant  <ccoutant@google.com>
10440
10441         * archive.cc (Archive::get_file_and_offset): Use filename instead
10442         of name to get library path.
10443         (Archive::include_member): Unlock external member of a thin archive.
10444
10445         * testsuite/Makefile.am (TEST_AR): New variable.
10446         (thin_archive_test_1): New test.
10447         (thin_archive_test_2): New test.
10448         * testsuite/Makefile.in: Regenerate.
10449         * testsuite/thin_archive_main.cc: New file.
10450         * testsuite/thin_archive_test_1.cc: New file.
10451         * testsuite/thin_archive_test_2.cc: New file.
10452         * testsuite/thin_archive_test_3.cc: New file.
10453         * testsuite/thin_archive_test_4.cc: New file.
10454
10455 2008-09-29  Cary Coutant  <ccoutant@google.com>
10456
10457         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10458         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10459         instead of -1U.
10460         (Sized_relobj::do_finalize_local_symbols): Likewise.
10461         (Sized_relobj::map_to_kept_section): Likewise.
10462         * object.h (Sized_relobj::invalid_address): New constant.
10463         (Sized_relobj::do_output_section_offset): Check for invalid_address
10464         and return -1ULL.
10465         * output.cc (Output_reloc::local_section_offset): Use constant
10466         invalid_address instead of -1U.
10467         (Output_reloc::get_address): Likewise.
10468         (Output_section::output_address): Change -1U to -1ULL.
10469         * output.h (Output_reloc::invalid_address): New constant.
10470         * reloc.cc (Sized_relobj::write_sections): Use constant
10471         invalid_address instead of -1U.
10472         (Sized_relobj::relocate_sections): Likewise.
10473         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10474         values for merge sections.
10475         * target-reloc.h (relocate_for_relocatable): Use constant
10476         invalid_address instead of -1U.
10477
10478 2008-09-19  Cary Coutant  <ccoutant@google.com>
10479
10480         Add plugin functionality for link-time optimization (LTO).
10481         * configure.ac (plugins): Add --enable-plugins option.
10482         * configure: Regenerate.
10483         * config.in: Regenerate.
10484         * Makefile.am (LIBDL): New variable.
10485         (CCFILES): Add plugin.cc.
10486         (HFILES): Add plugin.h.
10487         (ldadd_var): Add LIBDL.
10488         * Makefile.in: Regenerate.
10489
10490         * archive.cc: Include "plugin.h".
10491         (Archive::setup): Don't preread archive symbols when using a plugin.
10492         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10493         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10494         files.
10495         (Archive::include_member): Add symbols from plugin objects.
10496         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10497         * descriptors.cc (Descriptors::open): Check for file descriptors
10498         abandoned by plugins.
10499         (Descriptors::claim_for_plugin): New function.
10500         * descriptors.h (Descriptors::claim_for_plugin): New function.
10501         (Open_descriptor::is_claimed): New field.
10502         (claim_descriptor_for_plugin): New function.
10503         * fileread.cc (File_read::claim_for_plugin): New function.
10504         * fileread.h (File_read::claim_for_plugin): New function.
10505         (File_read::descriptor): New function.
10506         * gold.cc: Include "plugin.h".
10507         (queue_initial_tasks): Add task to call plugin hooks for generating
10508         new object files.
10509         * main.cc: Include "plugin.h".
10510         (main): Load plugin libraries.
10511         * object.h (Pluginobj): Declare.
10512         (Object::pluginobj): New function.
10513         (Object::do_pluginobj): New function.
10514         (Object::set_target): New function.
10515         * options.cc: Include "plugin.h".
10516         (General_options::parse_plugin): New function.
10517         (General_options::General_options): Initialize plugins_ field.
10518         (General_options::add_plugin): New function.
10519         * options.h (Plugin_manager): Declare.
10520         (General_options): Add --plugin option.
10521         (General_options::has_plugins): New function.
10522         (General_options::plugins): New function.
10523         (General_options::add_plugin): New function.
10524         (General_options::plugins_): New field.
10525         * plugin.cc: New file.
10526         * plugin.h: New file.
10527         * readsyms.cc: Include "plugin.h".
10528         (Read_symbols::do_read_symbols): Check for archive before checking
10529         for ELF file.  Call plugin hooks to claim files.
10530         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10531         from a real object file; force override when processing replacement
10532         files.
10533         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10534         (Symbol::init_base_object): Likewise.
10535         (Symbol::init_base_output_data): Likewise.
10536         (Symbol::init_base_output_segment): Likewise.
10537         (Symbol::init_base_constant): Likewise.
10538         (Symbol::init_base_undefined): Likewise.
10539         (Symbol::output_section): Assert that object is not a plugin.
10540         (Symbol_table::add_from_pluginobj): New function.
10541         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10542         undefined.
10543         (Symbol_table::sized_write_globals): Likewise.
10544         (Symbol_table::add_from_pluginobj): Instantiate template.
10545         * symtab.h (Sized_pluginobj): Declare.
10546         (Symbol::in_real_elf): New function.
10547         (Symbol::set_in_real_elf): New function.
10548         (Symbol::in_real_elf_): New field.
10549         (Symbol_table::add_from_pluginobj): New function.
10550
10551         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10552         (LIBDL): New variable.
10553         (LDADD): Add LIBDL.
10554         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10555         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10556         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10557         (MOSTLYCLEANFILES): Likewise.
10558         * testsuite/Makefile.in: Regenerate.
10559         * testsuite/plugin_test.c: New file.
10560         * testsuite/plugin_test_1.sh: New file.
10561         * testsuite/plugin_test_2.sh: New file.
10562
10563 2008-09-16  Ian Lance Taylor  <iant@google.com>
10564
10565         * target-reloc.h (relocate_section): Check whether a symbol is
10566         defined by the ABI before reporting an undefined symbol error.
10567         * target.h (Target::is_defined_by_abi): Make parameter const.
10568         (Target::do_is_defined_by_abi): Likewise.
10569         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10570         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10571         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10572         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10573         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10574         * testsuite/Makefile.in: Rebuild.
10575
10576         * fileread.cc (make_view): Add casts to avoid warning.
10577
10578 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10579
10580         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10581         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10582
10583 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10584
10585         * options.h (General_options::output_is_executable): New.
10586         (General_options::output_is_pie): New.
10587         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10588         for shared libraries.
10589         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10590
10591 2008-09-11  Chris Demetriou  <cgd@google.com>
10592
10593         * options.h (origin): New -z option.
10594         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10595         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10596         in DT_FLAGS_1.
10597
10598 2008-09-05  Cary Coutant  <ccoutant@google.com>
10599
10600         * fileread.cc (File_read::make_view): Add check for attempt to map
10601         beyond end of file.
10602
10603 2008-09-05  Cary Coutant  <ccoutant@google.com>
10604
10605         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10606         explicit instantiations.
10607
10608 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10609
10610         PR gold/6858
10611         * options.cc (General_options::finalize): Allow undefined symbols
10612         in shlibs if linking -shared.
10613
10614         PR gold/6859
10615         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10616         symbols as not needing a dynsym entry.
10617
10618 2008-08-20  Craig Silverstein  <csilvers@google.com>
10619
10620         * fileread.cc (File_read::open): Do not lock the file unless it
10621         was successfully opened.
10622
10623 2008-08-14  Cary Coutant  <ccoutant@google.com>
10624
10625         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10626         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10627         * testsuite/tls_test.cc (struct int128): 128-bit struct
10628         for testing TLS relocs with non-zero addend.
10629         (v12): New TLS variable.
10630         (t12): New test.
10631         (t_last): Add check for v12.
10632         * testsuite/tls_test.h (t12): New function.
10633         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10634
10635 2008-08-13  Ian Lance Taylor  <iant@google.com>
10636
10637         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10638         set tls_segment_ or relro_segment_.
10639         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10640         when appropriate.
10641         * output.h (Output_section::clear_is_relro): New function.
10642         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10643         sections specially even when output_data_ is empty.
10644         (Output_segment::maximum_alignment): When first section is relro,
10645         only force alignment for PT_LOAD segments.
10646         * script.cc (script_data_segment_align): New function.
10647         (script_data_segment_relro_end): New function.
10648         * script-c.h (script_data_segment_align): Declare.
10649         (script_data_segment_relro_end): Declare.
10650         * script-sections.h (class Script_sections): Declare
10651         data_segment_align and data_segment_relro_end.  Add fields
10652         segment_align_index_ and saw_relro_end_.
10653         * script-sections.cc (class Sections_element): Add set_is_relro
10654         virtual function.  Add new bool* parameter to place_orphan_here.
10655         Add get_output_section virtual function.
10656         (class Output_section_definition): Add set_is_relro.  Add new
10657         bool* parameter to place_orphan_here.  Add get_output_section.
10658         Add is_relro_ field.
10659         (Output_section_definition::Output_section_definition): Initialize
10660         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10661         and is_relro_ fields.
10662         (Output_section_definition::place_orphan_here): Add is_relro
10663         parameter.
10664         (Output_section_definition::set_section_addresses): Set relro for
10665         output section.
10666         (Output_section_definition::alternate_constraint): Likewise.
10667         (class Orphan_output_section): Add new bool* parameter to
10668         place_orphan_here.  Add get_output_section.
10669         (Orphan_output_section::place_orphan_here): Add is_relro
10670         parameter.
10671         (Script_sections::Script_sections): Initialize
10672         data_segment_align_index_ and saw_relro_end_.
10673         (Script_sections::data_segment_align): New function.
10674         (Script_sections::data_segment_relro_end): New function.
10675         (Script_sections::place_orphan): Set or clear is_relro.
10676         (Script_sections::set_section_addresses): Force alignment of first
10677         TLS section.
10678         * yyscript.y (exp): Call script_data_segment_align and
10679         script_data_segment_relro_end.
10680         * testsuite/relro_script_test.t: New file.
10681         * testsuite/relro_test.cc (using_script): Declare.
10682         (t1, t2): Test using_script.
10683         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10684         (relro_script_test_SOURCES): Define.
10685         (relro_script_test_DEPENDENCIES): Define.
10686         (relro_script_test_LDFLAGS): Define.
10687         (relro_script_test_LDADD): Define.
10688         (relro_script_test.so): New target.
10689         * testsuite/Makefile.in: Rebuild.
10690
10691 2008-08-06  Cary Coutant <ccoutant@google.com>
10692
10693         * archive.cc (Archive::total_archives, Archive::total_members)
10694         (Archive::total_members_loaded): New variables.
10695         (Archive::setup): Add parameter.  Add option to preread
10696         archive symbols.
10697         (Archive::read_armap): Add counter.
10698         (Archive::get_file_and_offset): New function.
10699         (Archive::get_elf_object_for_member): New function.
10700         (Archive::read_all_symbols): New function.
10701         (Archive::read_symbols): New function.
10702         (Archive::add_symbols): Add counters.
10703         (Archive::include_all_members): Use armap to find members if it's
10704         already built.
10705         (Archive::include_member): Skip reading symbols if already read.
10706         Factored code into Archive::get_file_and_offset and
10707         Archive::get_elf_object_for_member.  Changed call to
10708         Mapfile::report_include_archive_member.
10709         (Archive::print_stats): New function.
10710         * archive.h: Declare Object and Read_symbols_data classes.
10711         (Archive::Archive): Add initializers for new members.
10712         (Archive::setup): Add parameter.
10713         (Archive::print_stats): New function.
10714         (Archive::total_archives, Archive::total_members)
10715         (Archive::total_members_loaded): New variables.
10716         (Archive::get_file_and_offset): New function.
10717         (Archive::get_elf_object_for_member): New function.
10718         (Archive::read_all_symbols): New function.
10719         (Archive::read_symbols): New function.
10720         (Archive::Archive_member): New class.
10721         (Archive::members_): New member.
10722         (Archive::num_members_): New member.
10723         * main.cc: Include archive.h.
10724         (main): Call Archive::print_stats.
10725         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10726         archive parameter; member_name is now the fully-decorated name.
10727         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10728         * options.h: (General_options): Add --preread-archive-symbols option.
10729         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10730         Archive::setup.
10731
10732 2008-08-04  Ian Lance Taylor  <iant@google.com>
10733
10734         * symtab.h (Symbol::use_plt_offset): New function.
10735         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10736         * powerpc.cc (Relocate::relocate): Likewise.
10737         * sparc.cc (Relocate::relocate): Likewise.
10738         * x86_64.cc (Relocate::relocate): Likewise.
10739         * testsuite/weak_plt.sh: New test.
10740         * testsuite/weak_plt_main.cc: New test.
10741         * testsuite/weak_plt_shared.cc: New test.
10742         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10743         (check_PROGRAMS): Add weak_plt.
10744         (check_DATA): Add weak_plt_shared.so.
10745         (weak_plt_main_pic.o, weak_plt): New targets.
10746         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10747         * testsuite/Makefile.in: Rebuild.
10748
10749         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10750         gcctestdir/ld.
10751         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10752         * testsuite/Makefile.in: Rebuild.
10753
10754 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10755
10756         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10757         * Makefile.in: Regenerate.
10758         * po/POTFILES.in: Regenerate.
10759
10760 2008-07-29  Ian Lance Taylor  <iant@google.com>
10761
10762         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10763         symbols before other symbols.
10764         * testsuite/script_test_2.cc (test_addr): Declare.
10765         (test_addr_alias): Declare.
10766         (main): Check that test_addr and test_addr_alias have the right
10767         values.
10768         * testsuite/script_test_2.t: Define test_addr_alias and
10769         test_addr.
10770
10771 2008-07-24  Ian Lance Taylor  <iant@google.com>
10772
10773         PR 5990
10774         * descriptors.cc: New file.
10775         * descriptors.h: New file.
10776         * gold-threads.h (class Hold_optional_lock): New class.
10777         * fileread.cc: Include "descriptors.h".
10778         (File_read::~File_read): Release descriptor rather than closing
10779         it.
10780         (File_read::open) [file]: Call open_descriptor rather than open.
10781         Set is_descriptor_opened_.
10782         (File_read::open) [memory]: Assert that descriptor is not open.
10783         (File_read::reopen_descriptor): New function.
10784         (File_read::release): Release descriptor.
10785         (File_read::do_read): Make non-const.  Reopen descriptor.
10786         (File_read::read): Make non-const.
10787         (File_read::make_view): Reopen descriptor.
10788         (File_read::do_readv): Likewise.
10789         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10790         Update declarations.
10791         * layout.cc: Include "descriptors.h".
10792         (Layout::create_build_id): Use open_descriptor rather than open.
10793         * output.cc: Include "descriptors.h".
10794         (Output_file::open): Use open_descriptor rather than open.
10795         * archive.cc (Archive::const_iterator): Change Archive to be
10796         non-const.
10797         (Archive::begin, Archive::end): Make non-const.
10798         (Archive::count_members): Likewise.
10799         * archive.h (class Archive): Update declarations.
10800         * object.h (Object::read): Make non-const.
10801         * Makefile.am (CCFILES): Add descriptors.cc.
10802         (HFILES): Add descriptors.h.
10803         * Makefile.in: Rebuild.
10804
10805         PR 6716
10806         * gold.h: Always include <clocale>.  Add Solaris workarounds
10807         following code in binutils/sysdep.h.
10808
10809         PR 6048
10810         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10811         this->eh_frame_hdr_ is NULL before using it.
10812
10813         * dynobj.cc (Versions::Versions): Update comment.
10814
10815         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10816         the base version name.
10817
10818         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10819         array size plus one.
10820         (Stringpool_template::set_string_offsets): Subtract one from key
10821         before using it as an array index.
10822         (Stringpool_template::get_offset_with_length): Likewise.
10823         (Stringpool_template::write_to_buffer): Likewise.
10824         * stringpool.h (Stringpool_template::get_offset_from_key):
10825         Likewise.
10826
10827 2008-07-23  Ian Lance Taylor  <iant@google.com>
10828
10829         PR 6658
10830         * object.h (Merged_symbol_value::value): Do our best to handle a
10831         negative addend.
10832
10833         PR 6647
10834         * script.cc (Version_script_info::get_versions): Don't add empty
10835         version tag to return value.
10836         (Version_script_info::get_symbol_version_helper): Change return
10837         type to bool.  Add pversion parameter.  Change all callers.
10838         (script_register_vers_node): Don't require a non-NULL tag.
10839         * script.h (class Version_script_info): Update declarations.
10840         (Version_script_info::get_symbol_version): Change return type to
10841         bool.  Add version parameter.  Change all callers.
10842         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10843         handling.  Handle an empty version from a version script.
10844         (Symbol_table::define_special_symbol): Likewise.
10845         * testsuite/ver_test_10.script: New file.
10846         * testsuite/ver_test_10.sh: New file.
10847         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10848         (check_DATA): Add ver_test_10.syms.
10849         (ver_test_10.syms, ver_test_10.so): New target.
10850         * testsuite/Makefile.in: Rebuild.
10851
10852 2008-07-23  Simon Baldwin  <simonb@google.com>
10853
10854         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10855         to zero for undefined symbols from dynamic libraries.
10856
10857 2008-07-23  Ian Lance Taylor  <iant@google.com>
10858
10859         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10860         Change all callers.
10861         * symtab.h (class Symbol_table): Update declaration.
10862         * testsuite/ver_test_9.cc: New file.
10863         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10864         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10865         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10866         (ver_test_9.so, ver_test_9.o): New targets.
10867         * testsuite/Makefile.in: Rebuild.
10868
10869 2008-07-22  Ian Lance Taylor  <iant@google.com>
10870
10871         * options.h (class General_options): Define --check-sections.
10872         * layout.cc (Layout::set_segment_offsets): Handle
10873         --check-sections.
10874
10875         * options.h (class General_options): Define -n/--nmagic and
10876         -N/--omagic.
10877         * options.cc (General_options::finalize): For -n/--nmagic or
10878         -N/--omagic, set -static.
10879         * layout.cc (Layout::attach_allocated_section_to_segment): If
10880         -N/--omagic, don't put read-only and read-write sections in
10881         different segments.
10882         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10883         finding a read-only segment.
10884         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10885         don't set the minimum segment alignment to the common page size,
10886         and don't set the file offset to the address modulo the page size.
10887         * script-sections.cc (Script_sections::create_segments): If
10888         -n/--omagic, don't put read-only and read-write sections in
10889         different segments.
10890
10891         * cref.cc: New file.
10892         * cref.h: New file.
10893         * options.h (class General_options): Add --print-symbol-counts.
10894         * main.cc (main): Issue defined symbol report if requested.
10895         * archive.cc (Archive::interpret_header): Make into a const member
10896         function.
10897         (Archive::add_symbols): Call Input_objects::archive_start and
10898         archive_stop.
10899         (Archive::const_iterator): Define new class.
10900         (Archive::begin, Archive::end): New functions.
10901         (Archive::include_all_members): Rewrite to use iterator.
10902         (Archive::count_members): New function.
10903         * archive.h (class Archive): Update declarations.
10904         (Archive::filename): New function.
10905         * object.cc: Include "cref.h".
10906         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10907         (Sized_relobj::do_get_global_symbol_counts): New function.
10908         (Input_objects::add_object): Add object to cross-referencer.
10909         (Input_objects::archive_start): New function.
10910         (Input_objects::archive_stop): New function.
10911         (Input_objects::print_symbol_counts): New function.
10912         * object.h: Declare Cref and Archive.
10913         (Object::get_global_symbol_counts): New function.
10914         (Object::do_get_global_symbol_counts): New pure virtual function.
10915         (class Sized_relobj): Add defined_count_ field.  Update
10916         declarations.
10917         (class Input_objects): Add cref_ field.  Update constructor.
10918         Update declarations.
10919         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10920         defined_count_.
10921         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10922         symbol counts.
10923         (Sized_dynobj::do_get_global_symbol_counts): New function.
10924         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10925         defined_count_.  Update declarations.  Define Symbols typedef.
10926         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10927         parameter.  Change all callers.
10928         (Symbol_table::add_from_dynobj): Add sympointers and defined
10929         parameters.  Change all callers.
10930         * symtab.h (class Symbol_table): Update declarations.
10931         * Makefile.am (CCFILES): Add cref.cc.
10932         (HFILES): Add cref.h.
10933         * Makefile.in: Rebuild.
10934
10935 2008-07-22  Simon Baldwin  <simonb@google.com>
10936
10937         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10938         to zero when writing undefined symbols.
10939
10940 2008-07-22  Ian Lance Taylor  <iant@google.com>
10941
10942         * output.cc (Output_section::add_input_section): Don't try to
10943         merge empty merge sections.
10944
10945 2008-07-21  Craig Silverstein  <csilvers@google.com>
10946
10947         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10948         Include symbol version in error message.
10949
10950 2008-07-20  Chris Demetriou  <cgd@google.com>
10951
10952         * configure.ac (gold_cv_c_random_seed): New configured variable.
10953         (RANDOM_SEED_CFLAGS): New substituted variable.
10954         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10955         * configure: Rebuild.
10956         * Makefile.in: Likewise.
10957         * testsuite/Makefile.in: Likewise.
10958
10959 2008-07-18  Ian Lance Taylor  <iant@google.com>
10960
10961         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10962         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10963         * testsuite/ver_test_main.cc (main): Call t4.
10964         (t4, t4_2a): Define.
10965         * testsuite/ver_test_2.cc (t4_2): Define.
10966         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10967         * testsuite/ver_test_4.cc (t4_2a): Define.
10968         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10969         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10970
10971 2008-07-17  Ian Lance Taylor  <iant@google.com>
10972
10973         * dynobj.cc (Versions::add_def): If we give an error about a
10974         missing version, go ahead and create the version anyhow.
10975
10976 2008-07-10  Ian Lance Taylor  <iant@google.com>
10977
10978         Handle output sections with more than 0x7fffffff bytes.
10979         * object.h (class Relobj): Change map_to_output_ to
10980         output_sections_, and just keep a section pointer.  Change all
10981         uses.  Move comdat group support to Sized_relobj.
10982         (Relobj::is_section_specially_mapped): Remove.
10983         (Relobj::output_section): Remove poff parameter.  Change all
10984         callers.
10985         (Relobj::output_section_offset): New function.
10986         (Relobj::set_section_offset): Rewrite.
10987         (Relobj::map_to_output): Remove.
10988         (Relobj::output_sections): New function.
10989         (Relobj::do_output_section_offset): New pure virtual function.
10990         (Relobj::do_set_section_offset): Likewise.
10991         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10992         group support from Relobj.  Update declarations.
10993         (Sized_relobj::get_output_section_offset): New function.
10994         (Sized_relobj::do_output_section_offset): New function.
10995         (Sized_relobj::do_set_section_offset): New function.
10996         * object.cc (Relobj::output_section_address): Remove.
10997         (Sized_relobj::Sized_relobj): Initialize new fields.
10998         (Sized_relobj::include_section_group): Cast find_kept_object to
10999         Sized_relobj.
11000         (Sized_relobj::include_linkonce_section): Likewise.
11001         (Sized_relobj::do_layout): Use separate arrays for output section
11002         and output offset.
11003         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11004         output_sections.
11005         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11006         output_sections and section_offsets.
11007         (Sized_relobj::write_local_symbols): Likewise.
11008         (map_to_kept_section): Compute output address directly.
11009         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11010         output_sections and section_offsets.
11011         (Sized_relobj::write_sections): Likewise.
11012         (Sized_relobj::relocate_sections): Likewise.
11013         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11014         * output.h (class Output_reloc): Update declarations.  Change
11015         u2_.relobj to Sized_relobj*.
11016         (class Output_data_reloc): Change add functions to use
11017         Sized_relobj*.
11018         * output.cc (Output_reloc::Output_reloc): Change relobj to
11019         Sized_relobj*.
11020         (Output_reloc::local_section_offset): Change return type to
11021         Elf_Addr.  Use get_output_section_offset.
11022         (Output_reloc::get_address): Likewise.
11023         (Output_section::is_input_address_mapped): Don't call
11024         is_section_specially_mapped.
11025         (Output_section::output_offset): Likewise.
11026         (Output_section::output_address): Likewise.
11027         (Output_section::starting_output_address): Likewise.
11028         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11029         parameter to Sized_relobj*.
11030         (Copy_relocs::need_copy_reloc): Likewise.
11031         (Copy_relocs::save): Likewise.
11032         * copy-relocs.h (class Copy_relocs): Update declarations.
11033         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11034         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11035         * target-reloc.h (relocate_for_relocatable): Change
11036         offset_in_output_section type to Elf_Addr.  Change code that uses
11037         it as well.
11038         * layout.cc (Layout::layout): Always set *off.
11039         * mapfile.cc (Mapfile::print_input_section): Use
11040         output_section_offset.
11041         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11042         Sized_relobj*.
11043         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11044         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11045         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11046
11047 2008-07-03  Ian Lance Taylor  <iant@google.com>
11048
11049         * layout.cc (Layout::include_section): Do not discard unrecognized
11050         SHT_STRTAB sections.
11051
11052 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11053
11054         * script.cc (Lex::can_continue_name): Make '?' allowable in
11055         version-script names.
11056         * testsuite/version_script.map: Change glob pattern to use '?'
11057
11058 2008-06-30  Manish Singh  <yosh@gimp.org>
11059
11060         PR 6585
11061         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11062         Correct typo.
11063
11064 2008-06-30  Ian Lance Taylor  <iant@google.com>
11065
11066         PR 6660
11067         PR 6682
11068         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11069         versions]: Don't try to read the value in the contents, since we
11070         don't use it.  Use the template endianness when writing.
11071
11072 2008-06-25  Cary Coutant  <ccoutant@google.com>
11073
11074         * fileread.cc (File_read::make_view): Assert on zero-length view.
11075         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11076         symbol table when there are no symbols to read.
11077
11078 2008-06-23  Craig Silverstein  <csilvers@google.com>
11079
11080         * version.cc (version_string): Bump to 1.7
11081
11082 2008-06-18  Craig Silverstein  <csilvers@google.com>
11083
11084         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11085         constant 0xFFFF to type Valtype.
11086         (Powerpc_relocate_functions::rel16_ha): Likewise.
11087
11088 2008-06-17  Ian Lance Taylor  <iant@google.com>
11089
11090         * output.h (Output_section::Input_section): Initialize p2align_ to
11091         zero for Output_section_data constructors.
11092         (Output_section::Input_section::addralign): If not an input
11093         section, return the alignment of the Output_section_data.
11094         * testsuite/copy_test.cc: New file.
11095         * testsuite/copy_test_1.cc: New file.
11096         * testsuite/copy_test_2.cc: New file.
11097         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11098         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11099         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11100         (copy_test_1_pic.o, copy_test_1.so): New targets.
11101         (copy_test_2_pic.o, copy_test_2.so): New targets.
11102         * testsuite/Makefile.in: Rebuild.
11103
11104         * script-sections.cc (Script_sections::place_orphan): Initialize
11105         local variable exact.
11106
11107 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11108
11109         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11110
11111 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11112             David S. Miller  <davem@davemloft.net>
11113
11114         * powerpc.cc: New file.
11115         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11116         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11117         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11118         * Makefile.in: Rebuild.
11119
11120 2008-06-09  Ian Lance Taylor  <iant@google.com>
11121
11122         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11123         <exception>.
11124         (throwing, orig_terminate): New static variables.
11125         (terminate_handler): New static function.
11126         (t2): Set terminate handler.
11127
11128 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11129
11130         PR 6584
11131         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11132         alignment.
11133
11134 2008-05-30  Cary Coutant  <ccoutant@google.com>
11135
11136         * archive.cc (Archive::include_all_members) Correct to step
11137         over symbol table and extended name table in thin archives.
11138
11139 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11140
11141         PR 6407
11142         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11143         calculation.
11144
11145 2008-05-28  Caleb Howe  <cshowe@google.com>
11146
11147         * reduced_debug_output.cc: New file.
11148         * reduced_debug_output.h: New file.
11149         * options.h (class General_options): Add --strip-debug-non-line.
11150         * options.cc (General_options::finalize): Add strip_debug_non_line
11151         to the strip heirarchy.
11152         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11153         fields.
11154         * layout.cc: Include "reduced_debug_output.h".
11155         (Layout::Layout): Initialize new fields.
11156         (line_only_debug_sections): New static array.
11157         (is_lines_only_debug_sections): New static inline function.
11158         (Layout::include_section): Handle --strip-debug-non-line.
11159         (Layout::make_output_section): If --strip-debug-non-line, build
11160         new output sections for .debug_abbrev and .debug_info.
11161         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11162         gold.  Warn about possible overflow.
11163         (read_signed_LEB_128): Likewise.
11164         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11165         (read_signed_LEB_128): Declare.
11166         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11167         (HFILES): Add reduced_debug_output.h.
11168         * Makefile.in: Rebuild.
11169
11170 2008-05-21  Ian Lance Taylor  <iant@google.com>
11171
11172         * mapfile.cc: New file.
11173         * mapfile.h: New file.
11174         * options.h (class General_options): Add -M/--print-map and -Map.
11175         * options.cc (General_options::finalize): Make -M equivalent to
11176         -Map -.
11177         * main.cc: Include <cstdio> and "mapfile.h".
11178         (main): Open mapfile if requested.
11179         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11180         constructor.  Change caller.
11181         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11182         (queue_middle_tasks): Likewise.
11183         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11184         declarations.
11185         * archive.cc: Include "mapfile.h".
11186         (Archive::add_symbols): Add mapfile parameter.  Change all
11187         callers.  Pass mapfile, symbol, and reason to include_member.
11188         (Archive::include_all_members): Add mapfile parameter.  Change all
11189         callers.
11190         (Archive::include_member): Add mapfile, sym, and why parameters.
11191         Change all callers.  Report inclusion to map file.
11192         * archive.h: Include "fileread.h".
11193         (class Archive): Update declarations.
11194         (Archive::file): New const method.
11195         (class Add_archive_symbols): Add mapfile_ field.  Update
11196         constructor.  Change all callers.
11197         * readsyms.h (class Read_symbols): Likewise.
11198         (class Finish_group): Likewise.
11199         (class Read_script): Likewise.
11200         * common.cc: Include "mapfile.h".
11201         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11202         all callers.
11203         (Symbol_table::do_allocate_commons): Likewise.
11204         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11205         symbol allocation to mapfile.
11206         * common.h (class Allocate_commons_task): Add mapfile_ field.
11207         Update constructor.  Change all callers.
11208         * symtab.h (class Symbol_table): Update declarations.
11209         * layout.cc: Include "mapfile.h".
11210         (Layout_task_runner::run): Print information to mapfile.
11211         (Layout::create_gold_note): Change Output_data_fixed_space to
11212         Output_data_zero_fill.
11213         (Layout::create_build_id): Likewise.
11214         (Layout::print_to_mapfile): New function.
11215         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11216         constructor.  Change caller.
11217         (class Layout): Declare print_to_mapfile.
11218         * output.cc (Output_section::Input_section::print_to_mapfile): New
11219         function.
11220         (Output_section::add_input_section): If producing a map, always
11221         add to input_sections_ list.
11222         (Output_section::do_print_to_mapfile): New function.
11223         (Output_segment::print_sections_to_mapfile): New function.
11224         (Output_segment::print_section_list_to_mapfile): New function.
11225         * output.h: Include "mapfile.h".
11226         (Output_data::print_to_mapfile): New function.
11227         (Output_data::do_print_to_mapfile): New virtual function.
11228         (Output_segment_headers::do_print_to_mapfile): New function.
11229         (Output_file_header::do_print_to_mapfile): New function.
11230         (Output_data_const::do_print_to_mapfile): New function.
11231         (class Output_data_const_buffer): Add map_name_ field.  Update
11232         constructor.  Change all callers.  Add do_print_to_mapfile
11233         function.
11234         (class Output_data_fixed_space): Likewise.
11235         (class Output_data_space): Likewise.
11236         (class Output_data_zero_fill): New class.
11237         (Output_data_strtab::do_print_to_mapfile): New function.
11238         (Output_data_reloc_base::do_print_to_mapfile): New function.
11239         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11240         (Output_data_group::do_print_to_mapfile): New function.
11241         (Output_data_got::do_print_to_mapfile): New function.
11242         (Output_data_dynamic::do_print_to_mapfile): New function.
11243         (Output_symtab_xindex::do_print_to_mapfile): New function.
11244         (class Output_section): Declare do_print_to_mapflie.  Declare
11245         print_to_mapfile in Input_section.
11246         (class Output_segment): Declare new functions.
11247         * object.h (Sized_relobj::symbol_count): New function.
11248         * script-sections.cc
11249         (Output_section_element_dot_assignment::set_section_addresses):
11250         Change Output_data_fixed_space to Output_data_zero_fill.
11251         (Output_data_expression::do_print_to_mapfile): New function.
11252         * script.cc (read_input_script): Add mapfile parameter.  Change
11253         all callers.
11254         * script.h (read_input_script): Update declaration.
11255         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11256         (Eh_frame::do_print_to_mapfile): New function.
11257         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11258         (Output_merge_string::do_print_to_mapfile): New function.
11259         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11260         function.
11261         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11262         function.
11263         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11264         function.
11265         * Makefile.am (CCFILES): Add mapfile.cc.
11266         (HFILES): Add mapfile.h.
11267         * Makefile.in: Rebuild.
11268
11269 2008-05-19  Ian Lance Taylor  <iant@google.com>
11270
11271         * options.h (class General_options): Add -z relro.
11272         * layout.cc (Layout::Layout): Initialize relro_segment_.
11273         (Layout::add_output_section_data): Return the output section.
11274         (Layout::make_output_section): Rcognize relro sections and mark
11275         them appropriately.
11276         (Layout::attach_allocated_section_to_segment): Put relro sections
11277         in a PT_GNU_RELRO segment.
11278         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11279         section as relro.
11280         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11281         PT_TLS segments.
11282         (Layout::linkonce_mapping): Map d.rel.ro.local to
11283         .data.rel.ro.local.
11284         (Layout::output_section_name): Us .data.rel.ro.local for any
11285         section which begins with that.
11286         * layout.h (class Layout): Update add_output_section_data
11287         declaration.  Add relro_segment_ field.
11288         * output.cc (Output_section::Output_section): Initialize is_relro_
11289         and is_relro_local_ fields.
11290         (Output_segment::add_output_section): Group relro sections.
11291         (Output_segment::is_first_section_relro): New function.
11292         (Output_segment::maximum_alignment): If there is a relro section,
11293         align the segment to the common page size.
11294         (Output_segment::set_section_addresses): Track whether we are
11295         looking at relro sections.  If the last section is a relro
11296         section, align to the common page size.
11297         (Output_segment::set_section_list_addresses): Add in_relro
11298         parameter.  Change all callers.  Align to the page size when
11299         moving from relro to non-relro section.
11300         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11301         segment.
11302         * output.h (class Output_section): Add is_relro_ and
11303         is_relro_local_ fields.
11304         (Output_section::is_relro): New function.
11305         (Output_section::set_is_relro): New function.
11306         (Output_section::is_relro_local): New function.
11307         (Output_section::set_is_relro_local): New function.
11308         (class Output_segment): Update declarations.
11309         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11310         * sparc.cc (Target_sparc::got_section): Likewise.
11311         * x86_64.cc (Target_x86_64::got_section): Likewise.
11312         * testsuite/relro_test_main.cc: New file.
11313         * testsuite/relro_test.cc: New file.
11314         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11315         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11316         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11317         (relro_test.so, relro_test_pic.o): New targets.
11318         * testsuite/Makefile.in: Rebuild.
11319
11320 2008-05-16  Ian Lance Taylor  <iant@google.com>
11321
11322         * output.cc (Output_segment::add_output_section): Remove front
11323         parameter.
11324         * output.h (class Output_segment): Remove
11325         add_initial_output_section and overloaded add_output_section.
11326         Update declaration of remaining add_output_section.
11327         * layout.cc (Layout::create_interp): Call add_output_section
11328         rather than add_initial_output_section.
11329         (Layout::finish_dynamic_section): Likewise.
11330
11331         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11332         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11333         know the dynamic type.
11334         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11335         field.  Initialize it in constructor.
11336         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11337         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11338         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11339         reloc.
11340
11341         * output.cc (Output_reloc::get_address): Change return type to
11342         Elf_Addr.
11343         * output.h (class Output_reloc): Update get_address declaration.
11344         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11345         for section addresses.
11346
11347 2008-05-09  Ian Lance Taylor  <iant@google.com>
11348
11349         PR 6493
11350         * gold.cc (gold_nomem): Use return value of write.
11351
11352 2008-05-08  Ian Lance Taylor  <iant@google.com>
11353
11354         * symtab.c (Symbol::init_base_output_data): Add version
11355         parameter.  Change all callers.
11356         (Symbol::init_base_output_segment): Likewise.
11357         (Symbol::init_base_constant): Likewise.
11358         (Symbol::init_base_undefined): Likewise.
11359         (Sized_symbol::init_output_data): Likewise.
11360         (Sized_symbol::init_output_segment): Likewise.
11361         (Sized_symbol::init_constant): Likewise.
11362         (Sized_symbol::init_undefined): Likewise.
11363         (Symbol_table::do_define_in_output_data): If the new symbol has a
11364         version, mark it as the default.
11365         (Symbol_table::do_define_in_output_segment): Likewise.
11366         (Symbol_table::do_define_as_constant): Likewise.
11367         * symtab.h (class Symbol): Update declarations.
11368         (class Sized_symbol): Likewise.
11369         * resolve.cc (Symbol::override_version): New function.
11370         (Symbol::override_base): Call override_version.
11371         (Symbol::override_base_with_special): Likewise.
11372         * testsuite/ver_script_8.script: New file.
11373         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11374         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11375         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11376         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11377
11378 2008-05-06  Ian Lance Taylor  <iant@google.com>
11379
11380         PR 6049
11381         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11382         functions.
11383         (class General_options): Remove existing --undefined, and add
11384         --no-undefined instead.  Add new --undefined as synonym for -u.
11385         * archive.cc (Archive::add_symbols): Check whether symbol was
11386         named with -u.
11387         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11388         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11389         all uses.  Add IS_UNDEFINED.  Update declarations to split
11390         different versions of init_base.  Declare init_base_undefined.
11391         (Symbol::is_defined): Handle IS_UNDEFINED.
11392         (Symbol::is_undefined): Likewise.
11393         (Symbol::is_weak_undefined): Call is_undefined.
11394         (Symbol::is_absolute): Handle IS_CONSTANT.
11395         (class Sized_symbol): Update declarations to split different
11396         versions of init.  Declare init_undefined.
11397         (class Symbol_table): Declare new functions.
11398         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11399         Change all callers.
11400         (Symbol::init_base_output_data): Likewise.
11401         (Symbol::init_base_output_segment): Likewise.
11402         (Symbol::init_base_constant): Likewise.
11403         (Symbol::init_base_undefined): New function.
11404         (Sized_symbol::init_object): Rename from init.  Change all
11405         callers.
11406         (Sized_symbol::init_output_data): Likewise.
11407         (Sized_symbol::init_output_segment): Likewise.
11408         (Sized_symbol::init_constant): Likewise.
11409         (Sized_symbol::init_undefined): New function.
11410         (Symbol_table::add_undefined_symbols_from_command_line): New
11411         function.
11412         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11413         function.
11414         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11415         (Symbol::output_section): Likewise.
11416         (Symbol::set_output_section): Likewise.
11417         (Symbol_table::sized_finalize_symbol): Likewise.
11418         (Symbol_table::sized_write_globals): Likewise.
11419         * resolve.cc (Symbol_table::should_override): Likewise.
11420         (Symbol::override_base_with_special): Likewise.
11421
11422         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11423         symbol, change it to have default visibility.
11424         * testsuite/protected_1.cc: New file.
11425         * testsuite/protected_2.cc: New file.
11426         * testsuite/protected_3.cc: New file.
11427         * testsuite/protected_main_1.cc: New file.
11428         * testsuite/protected_main_2.cc: New file.
11429         * testsuite/protected_main_3.cc: New file.
11430         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11431         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11432         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11433         (protected_1.so): New target.
11434         (protected_1_pic.o, protected_2_pic.o): New targets.
11435         (protected_3_pic.o): New target.
11436         (check_PROGRAMS): Add protected_2.
11437         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11438         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11439         * testsuite/Makefile.in: Rebuild.
11440
11441         * options.h (DEFINE_var): Add set_user_set_##varname__.
11442         (DEFINE_bool_alias): New macro.
11443         (class General_options): Define -Bstatic using DEFINE_bool_alias
11444         rather than DEFINE_special.  Add --undefined as an alias for -z
11445         defs.
11446         * options.cc (General_options::parse_Bstatic): Remove.
11447
11448         * options.h (class General_options): Add --fatal-warnings.
11449         * main.cc (main): Implement --fatal-warnings.
11450         * errors.h (Errors::warning_count): New function.
11451
11452         * options.h (class General_options): Add -Bsymbolic-functions.
11453         * symtab.h (Symbol::is_preemptible): Check for
11454         -Bsymbolic-functions.
11455
11456 2008-05-05  Ian Lance Taylor  <iant@google.com>
11457
11458         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11459         as noVARNAME rather than no-VARNAME.
11460         (class General_options): Add option -z combreloc.
11461         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11462         get_address.
11463         (Output_reloc::sort_before) [SHT_REL]: New function.
11464         (Output_reloc::sort_before) [SHT_RELA]: New function.
11465         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11466         Sort_relocs_comparison.
11467         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11468         parameter.  Change all callers.
11469         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11470         sort_relocs parameter.  Change all callers.
11471         * output.cc (Output_reloc::get_address): New function, broken out
11472         of write_rel.
11473         (Output_reloc::write_rel): Call it.
11474         (Output_reloc::compare): New function.
11475         (Output_data_reloc_base::do_write): Optionally sort relocs.
11476
11477         * configure.ac: If targ_extra_obj is set, link it in.
11478         * configure.tgt: Initialize all variables.
11479         (x86_64*): Set targ_extra_obj and targ_extra_size.
11480         * configure: Rebuild.
11481
11482         * object.cc (Sized_relobj::include_section_group): Adjust section
11483         indexes read from group data.  Build vector to pass to
11484         layout_group.
11485         * layout.cc (Layout::layout_group): Add flags and shndxes
11486         parameters.  Remove contents parameter.  Change caller.  Update
11487         explicit instantiations.
11488         * layout.h (class Layout): Update layout_group declaration.
11489         * output.cc (Output_data_group::Output_data_group): Add flags and
11490         input_shndxes parameters.  Remove contents parameter.  Change
11491         caller.
11492         (Output_data_group::do_write): Change input_sections_ to
11493         input_shndxes_.
11494         * output.h (class Output_data_group): Update constructor
11495         declaration.  Rename input_sections_ to input_shndxes_.
11496         * testsuite/many_sections_test.cc: Add template.
11497
11498 2008-04-30  Cary Coutant  <ccoutant@google.com>
11499
11500         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11501
11502         * layout.cc (Layout::include_section): Refactored check for debug
11503         info section.
11504         (Layout::add_comdat): Add new parameters.  Change type
11505         of signature parameter.  Add object and shndx to signatures table.
11506         (Layout::find_kept_object): New function.
11507         * layout.h: Include <cstring>.
11508         (Layout::is_debug_info_section): New function.
11509         (Layout::add_comdat): Add new parameters.
11510         (Layout::find_kept_object): New function.
11511         (Layout::Kept_section): New struct.
11512         (Layout::Signatures): Change type of map range.
11513         * object.cc (Relobj::output_section_address): New function.
11514         (Sized_relobj::include_section_group): Add new parameters.  Change
11515         calls to Layout::add_comdat.  Change to build table of kept comdat
11516         groups and table mapping discarded sections to kept sections.
11517         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11518         (Sized_relobj::do_layout): Change calls to include_section_group and
11519         include_linkonce_section.
11520         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11521         value to zero when section is discarded.
11522         (Sized_relobj::map_to_kept_section): New function.
11523         * object.h (Relobj::output_section_address): New function.
11524         (Relobj::Comdat_group): New type.
11525         (Relobj::find_comdat_group): New function.
11526         (Relobj::Comdat_group_table): New type.
11527         (Relobj::Kept_comdat_section): New type.
11528         (Relobj::Kept_comdat_section_table): New type.
11529         (Relobj::add_comdat_group): New function.
11530         (Relobj::set_kept_comdat_section): New function.
11531         (Relobj::get_kept_comdat_section): New function.
11532         (Relobj::comdat_groups_): New field.
11533         (Relobj::kept_comdat_sections_): New field.
11534         (Symbol_value::input_value): Update comment.
11535         (Sized_relobj::map_to_kept_section) New function.
11536         (Sized_relobj::include_linkonce_section): Add new parameter.
11537         * target-reloc.h (Comdat_behavior): New type.
11538         (get_comdat_behavior): New function.
11539         (relocate_section): Add code to map a discarded section to the
11540         corresponding kept section when applying a relocation.
11541
11542 2008-04-30  Craig Silverstein  <csilvers@google.com>
11543
11544         * dwarf_reader.cc (next_generation_count): New static var.
11545         (Addr2line_cache_entry): New struct.
11546         (addr2line_cache): New static var.
11547         (Dwarf_line_info::one_addr2line): Added caching.
11548         (Dwarf_line_info::clear_addr2line_cache): New function.
11549         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11550         cache-size parameter.
11551         (Dwarf_line_info::one_addr2line_cache): New function.
11552         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11553         new cache-size argument to one_addr2line(), and clear cache.
11554
11555 2008-04-28  Cary Coutant  <ccoutant@google.com>
11556
11557         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11558         R_386_PC8 relocations.
11559
11560 2008-04-23  Ian Lance Taylor  <iant@google.com>
11561
11562         * object.cc (Sized_relobj::include_section_group): Check for
11563         invalid section group.
11564
11565         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11566         header size.
11567
11568         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11569         than read for file header.
11570         * archive.cc (Archive::include_member): Likewise.
11571
11572 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11573
11574         * aclocal.m4: Regenerate.
11575         * configure: Regenerate.
11576
11577 2008-04-19  Ian Lance Taylor  <iant@google.com>
11578
11579         * version.cc (version_string): Bump to 1.6.
11580
11581         * testsuite/Makefile.am (many_sections_r_test): New target.
11582         (many_sections_r_test_SOURCES): Remove.
11583         (many_sections_r_test_DEPENDENCIES): Remove.
11584         (many_sections_r_test_LDFLAGS): Remove.
11585         (many_sections_r_test_LDADD): Remove.
11586
11587         * object.cc (Sized_relobj::do_add_symbols): Always pass
11588         local_symbol_count_ to add_from_relobj.
11589
11590         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11591         every thousand variables.
11592         * testsuite/Makefile.in: Rebuild.
11593
11594         * object.cc (Xindex::initialize_symtab_xindex): New function.
11595         (Xindex::read_symtab_xindex): New function.
11596         (Xindex::sym_xindex_to_shndx): New function.
11597         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11598         available.
11599         (Sized_relobj::do_initialize_xindex): New function.
11600         (Sized_relobj::do_read_symbols): Adjust section links.
11601         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11602         parameter.  Change all callers.
11603         (Sized_relobj::include_section_group): Adjust section links and
11604         symbol section indexes.
11605         (Sized_relobj::do_layout): Adjust section links.
11606         (Sized_relobj::do_count_local_symbols): Adjust section links and
11607         symbol section indexes.
11608         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11609         ordinary and special symbols.
11610         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11611         dynsym_xindex parameters.  Change all callers.  Adjust section
11612         links.  Use SHN_XINDEX when needed.
11613         (Sized_relobj::get_symbol_location_info): Adjust section links.
11614         Don't get fooled by special symbols.
11615         * object.h (class Xindex): Define.
11616         (class Object): Add xindex_ parameter.  Declare virtual functoin
11617         do_initialize_xindex.
11618         (Object::adjust_sym_shndx): New function.
11619         (Object::set_xindex): New protected function.
11620         (class Symbol_value): Add is_ordinary_shndx_ field.
11621         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11622         (Symbol_value::value): Assert ordinary section.
11623         (Symbol_value::initialize_input_to_output_map): Likewise.
11624         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11625         Change all callers.
11626         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11627         all callers.
11628         (class Sized_relobj): Update declarations.
11629         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11630         parameter.  Change all callers.
11631         (Sized_relobj::adjust_shndx): New function.
11632         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11633         field.
11634         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11635         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11636         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11637         (Sized_dynobj::read_dynsym_section): Adjust section links.
11638         (Sized_dynobj::read_dynamic): Likewise.
11639         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11640         section links.
11641         (Sized_dynobj::do_initialize_xindex): New function.
11642         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11643         do_initialize_xindex.
11644         (Sized_dynobj::adjust_shndx): New function.
11645         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11646         dynsym_xindex_ fields.
11647         (Layout::finalize): Add a call to set_section_indexes before
11648         creating the symtab sections.
11649         (Layout::set_section_indexes): Don't do anything if the section
11650         already has a section index.
11651         (Layout::create_symtab_sections): Add shnum parameter.  Change
11652         caller.  Create .symtab_shndx section if needed.
11653         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11654         caller.
11655         (Layout::allocated_output_section_count): New function.
11656         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11657         needed.
11658         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11659         fields.  Update declarations.
11660         (Layout::symtab_xindex): New function.
11661         (Layout::dynsym_xindex): New function.
11662         (class Write_symbols_task): Add layout_ field.
11663         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11664         Change caller.
11665         * output.cc (Output_section_headers::Output_section_headers): Add
11666         shstrtab_section parameter.  Change all callers.
11667         (Output_section_headers::do_sized_write): Store overflow values
11668         for section count and section string table section index in
11669         section header zero.
11670         (Output_file_header::do_sized_write): Check for overflow of
11671         section count and section string table section index.
11672         (Output_symtab_xindex::do_write): New function.
11673         (Output_symtab_xindex::endian_do_write): New function.
11674         * output.h (class Output_section_headers): Add shstrtab_section_.
11675         Update declarations.
11676         (class Output_symtab_xindex): Define.
11677         (Output_section::has_out_shndx): New function.
11678         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11679         field.
11680         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11681         Change all callers.
11682         (Sized_symbol::init): Likewise.
11683         (Symbol::output_section): Check for ordinary symbol.
11684         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11685         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11686         callers.
11687         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11688         Change all callers.  Simplify handling of symbols from sections
11689         not included in the link.
11690         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11691         distinction.
11692         (Weak_alias_sorter::operator()): Assert that symbols are
11693         ordinary.
11694         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11695         distinction.
11696         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11697         parameters.  Change all callers.
11698         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11699         symbol distinction.  Use SHN_XINDEX when needed.
11700         (Symbol_table::write_section_symbol): Add symtab_xindex
11701         parameter.  Change all callers.
11702         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11703         SHN_XINDEX when needed.
11704         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11705         declarations.
11706         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11707         (Symbol::is_defined): Check is_ordinary.
11708         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11709         (Symbol::is_absolute, Symbol::is_common): Likewise.
11710         (class Sized_symbol): Update declarations.
11711         (class Symbol_table): Update declarations.
11712         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11713         parameters.  Change all callers.
11714         (Sized_symbol::override): Likewise.
11715         (Symbol_table::override): Likewise.
11716         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11717         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11718         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11719         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11720         to be in an ordinary section.
11721         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11722         object and is_ordinary parameters.  Change all callers.
11723         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11724         Change all callers.  Don't add undefined or non-ordinary symbols
11725         to reloc_map_.
11726         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11727         Change all callers.
11728         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11729         declarations.
11730         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11731         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11732         (Sized_relobj::relocate_sections): Likewise.
11733         * target-reloc.h (scan_relocs): Adjust section symbol index.
11734         (scan_relocatable_relocs): Likewise.
11735         * i386.cc (Scan::local): Check for ordinary symbols.
11736         * sparc.cc (Scan::local): Likewise.
11737         * x86_64.cc (Scan::local): Likewise.
11738         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11739         to symbol_section_and_value.
11740         * testsuite/many_sections_test.cc: New file.
11741         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11742         (check_PROGRAMS): Add many_sections_test.
11743         (many_sections_test_SOURCES): Define.
11744         (many_sections_test_DEPENDENCIES): Define.
11745         (many_sections_test_LDFLAGS): Define.
11746         (BUILT_SOURCES): Add many_sections_define.h.
11747         (many_sections_define.h): New target.
11748         (BUILT_SOURCES): Add many_sections_check.h.
11749         (many_sections_check.h): New target.
11750         (check_PROGRAMS): Add many_sections_r_test.
11751         (many_sections_r_test_SOURCES): Define.
11752         (many_sections_r_test_DEPENDENCIES): Define.
11753         (many_sections_r_test_LDFLAGS): Define.
11754         (many_sections_r_test_LDADD): Define.
11755         (many_sections_r_test.o): New target.
11756         * testsuite/Makefile.in: Rebuild.
11757
11758 2008-04-17  Cary Coutant  <ccoutant@google.com>
11759
11760         * errors.cc (Errors::info): New function.
11761         (gold_info): New function.
11762         * errors.h (Errors::info): New function.
11763         * gold.h (gold_info): New function.
11764         * object.cc (Input_objects::add_object): Print trace output.
11765         * options.cc (options::parse_set): New function.
11766         (General_options::parse_wrap): Deleted.
11767         (General_options::General_options): Deleted initializer.
11768         * options.h (options::String_set): New typedef.
11769         (options::parse_set): New function.
11770         (DEFINE_set): New macro.
11771         (General_options::wrap): Changed to use DEFINE_set. Changed
11772         callers of any_wrap_symbols and is_wrap_symbol.
11773         (General_options::trace, General_options::trace_symbol):
11774         New options.
11775         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11776         (General_options::wrap_symbols_): Deleted.
11777         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11778
11779 2008-04-17  David S. Miller  <davem@davemloft.net>
11780
11781         * options.cc (General_options::parse_V): New function.
11782         * options.h: Add entries for -V and -Qy.
11783
11784 2008-04-17  Ian Lance Taylor  <iant@google.com>
11785
11786         * common.cc (Symbol_table::allocate_commons): Remove options
11787         parameter.  Change caller.
11788         (Symbol_table::do_allocate_commons): Remove options parameter.
11789         Change caller.  Just call do_allocate_commons_list twice.
11790         (Symbol_table::do_allocate_commons_list): New function, broken out
11791         of do_allocate_commons.
11792         * common.h (class Allocate_commons_task): Remove options_ field.
11793         Update constructor.
11794         * symtab.cc (Symbol_table::Symbol_table): Initialize
11795         tls_commons_.
11796         (Symbol_table::add_from_object): Put TLS common symbols on
11797         tls_commons_ list.
11798         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11799         which are IN_OUTPUT_DATA.
11800         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11801         allocate_commons and do_allocate_commons declarations.  Declare
11802         do_allocate_commons_list.
11803         * gold.cc (queue_middle_tasks): Update creation of
11804         Allocate_commons_task to not pass options.
11805         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11806         (TLS_TEST_C_FLAGS): New variable.
11807         (tls_test_c_pic.o): New target.
11808         (tls_test_shared.so): Link in tls_test_c_pic.o.
11809         (tls_test_c_pic_ie.o): New target.
11810         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11811         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11812         (tls_test_c.o): New target.
11813         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11814         (tls_pic_test_LDADD): Likewise.
11815         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11816         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11817         (tls_test_c_gnu2.o): New target.
11818         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11819         tls_test_c_gnu2.o.
11820         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11821         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11822         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11823         * testsuite/tls_test.cc: Include "config.h".
11824         (t_last): Call t11_last.
11825         * testsuite/tls_test.h (t11, t11_last): Declare.
11826         * testsuite/tls_test_c.c: New file.
11827         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11828         * configure.ac: Check for OpenMP support.
11829         * configure, config.in, Makefile.in: Rebuild.
11830         * testsuite/Makefile.in: Rebuild.
11831
11832 2008-04-16  Cary Coutant  <ccoutant@google.com>
11833
11834         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11835         (Target_i386::tls_base_symbol_defined_): New field.
11836         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11837         (Target_i386::Scan::global): Likewise.
11838         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11839         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11840         (Target_x86_64::tls_base_symbol_defined_): New field.
11841         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11842         (Target_x86_64::Scan::global): Likewise.
11843
11844 2008-04-16  Cary Coutant  <ccoutant@google.com>
11845
11846         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11847         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11848         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11849         building shared libraries.
11850         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11851         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11852         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11853         * testsuite/Makefile.in: Rebuild.
11854         * testsuite/weak_undef.h: New file.
11855         * testsuite/weak_undef_file1.cc: Add extra test cases.
11856         * testsuite/weak_undef_file2.cc: Likewise.
11857         * testsuite/weak_undef_test.cc: Likewise.
11858
11859 2008-04-16  David S. Miller  <davem@davemloft.net>
11860
11861         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11862         Add issued_non_pic_error_ field.  Declare check_non_pic.
11863         (Target_sparc::Scan::check_non_pic): New function.
11864         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11865         (Target_sparc::Scan::global): Likewise.
11866
11867         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11868         * configure: Rebuild.
11869
11870         * options.h (DEFINE_enable): New macro.
11871         (new_dtags): New enable option.
11872         (initfirst, interpose, loadfltr, nodefaultlib,
11873         nodelete, nodlopen, nodump): New -z options.
11874         * layout.cc (Layout:finish_dynamic_section): If new
11875         dtags enabled, emit DT_RUNPATH.  Also, emit a
11876         DT_FLAGS_1 containing any specified -z flags.
11877
11878 2008-04-16  Ian Lance Taylor  <iant@google.com>
11879
11880         * copy-relocs.cc: New file.
11881         * copy-relocs.h: New file.
11882         * reloc.cc: Remove Copy_relocs code.
11883         * reloc.h: Likewise.
11884         * reloc-types.h (struct Reloc_types) [both versions]: Add
11885         get_reloc_addend_noerror.
11886         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11887         variants of add_global which take an addend which must be zero.
11888         * i386.cc: Include "copy-relocs.h".
11889         (class Target_i386): Change type of copy_relocs_ to variable,
11890         update initializer.
11891         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11892         Change all callers.
11893         (Target_i386::do_finalize_sections): Change handling of
11894         copy_relocs_.
11895         * sparc.cc: Include "copy-relocs.h".
11896         (class Target_sparc): Change type of copy_relocs_ to variable,
11897         update initializer.
11898         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11899         Change all callers.
11900         (Target_sparc::do_finalize_sections): Change handling of
11901         copy_relocs_.
11902         * x86_64.cc: Include "copy-relocs.h".
11903         (class Target_x86_64): Change type of copy_relocs_ to variable,
11904         update initializer.
11905         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11906         class.  Change all callers.
11907         (Target_x86_64::do_finalize_sections): Change handling of
11908         copy_relocs_.
11909         * Makefile.am (CCFILES): Add copy-relocs.cc.
11910         (HFILES): Add copy-relocs.h.
11911
11912         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11913
11914         * testsuite/script_test_4.sh: Permit leading zeroes.
11915
11916 2008-04-15  Ian Lance Taylor  <iant@google.com>
11917
11918         * script-sections.cc (Script_sections::create_segments): Use
11919         header_size_adjustment even when there is enough room for the
11920         headers.
11921         * testsuite/script_test_4.sh: New file.
11922         * testsuite/script_test_4.t: New file.
11923         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11924         (check_DATA): Add script_test_4.stdout.
11925         (MOSTLYCLEANFILES): Likewise.
11926         (script_test_4): New target.
11927         (script_test_4.stdout): New target.
11928         * testsuite/Makefile.in: Rebuild.
11929
11930         * sparc.cc: Add definitions for Output_data_plt_sparc class
11931         constants.
11932
11933 2008-04-14  David S. Miller  <davem@davemloft.net>
11934
11935         * sparc.cc: New file.
11936         * Makefile.am (TARGETSOURCES): Add sparc.cc
11937         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11938         * configure.tgt: Document targ_extra_size and
11939         targ_extra_big_endian.  Add entries for sparc-* and
11940         sparc64-*.
11941         * configure.ac: Handle targ_extra_size and
11942         targ_extra_big_endian.
11943         * Makefile.in: Rebuild.
11944         * configure: Likewise.
11945         * po/POTFILES.in: Likewise.
11946         * po/gold.pot: Likewise.
11947
11948 2008-04-14  Ian Lance Taylor  <iant@google.com>
11949
11950         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11951         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11952         in the name/type/flags to section mapping.  Don't call
11953         allocate_output_section.
11954         (Layout::choose_output_section): Change parameter from adjust_name
11955         to is_input_section.  Don't permit input sections after sections
11956         are attached to segments.  Don't call allocate_output_section.
11957         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11958         not write_enable_output_section.
11959         (Layout::make_output_section): Don't push to
11960         unattached_section_list_ nor call attach_to_segment.  Call
11961         attach_section_to_segment if sections are attached.
11962         (Layout::attach_sections_to_segments): New function.
11963         (Layout::attach_section_to_segment): New function.
11964         (Layout::attach_allocated_section_to_segment): Rename from
11965         attach_to_segment.  Remove flags parameter.
11966         (Layout::allocate_output_section): Remove function.
11967         (Layout::write_enable_output_section): Remove function.
11968         * layout.h (class Layout): Update for above changes.  Add new
11969         field sections_are_attached_.
11970         * output.h (Output_section::update_flags_for_input_section): New
11971         function.
11972         * output.cc (Output_section::add_input_section): Call
11973         update_flags_for_input_section.
11974         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11975
11976 2008-04-11  Cary Coutant  <ccoutant@google.com>
11977
11978         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11979         thought unnecessary.
11980         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11981
11982 2008-04-11  Ian Lance Taylor  <iant@google.com>
11983
11984         * output.h (class Output_section_data): Remove inline definition
11985         of set_addralign.
11986         * output.cc (Output_section_data::set_addralign): New function.
11987
11988 2008-04-11  Cary Coutant  <ccoutant@google.com>
11989
11990         Add support for TLS descriptors for i386 and x86_64.
11991         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11992         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11993         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11994         GOT_TYPE_TLS_DESC.
11995         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11996         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11997         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11998         relocations.
11999         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12000         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12001         Fix problem with initial-exec relocations.
12002         (Target_i386::Relocate::relocate_tls): Likewise.
12003         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12004         relaxation.
12005         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12006         support for section-plus-offset dynamic table entries.
12007         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12008         (Output_data_dynamic::Dynamic_entry): Add support for
12009         section-plus-offset dynamic table entries.
12010         (Output_data_dynamic::Classification): Likewise.
12011         (Output_data_dynamic::classification_): Renamed offset_.
12012         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12013         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12014         (Target_x86_64::make_plt_section): New function.
12015         (Target_x86_64::reserve_tlsdesc_entries): New function.
12016         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12017         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12018         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12019         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12020         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12021         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12022         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12023         add extra PLT entry for TLS descriptors.
12024         (Output_data_plt_x86_64::got_): New field.
12025         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12026         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12027         fields.
12028         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12029         descriptors.
12030         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12031         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12032         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12033         R_386_TLS_DESC_CALL relocations.
12034         (Target_x86_64::Scan::global): Likewise.
12035         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12036         for TLS descriptors.
12037         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12038         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12039         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12040         GD-to-IE relaxation.
12041         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12042         and TLS_DESCRIPTORS.
12043         * Makefile.in: Rebuild.
12044         * configure: Rebuild.
12045         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12046         (tls_test_shared2.so): New target.
12047         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12048         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12049         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12050         (tls_shared_gd_to_ie_test_LDADD): New variable.
12051         (tls_shared_gnu2_gd_to_ie_test): New target.
12052         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12053         New targets.
12054         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12055         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12056         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12057         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12058         (tls_shared_gnu2_test): New target.
12059         (tls_test_gnu2_shared.so): New target.
12060         (tls_shared_gnu2_test_SOURCES): New variable.
12061         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12062         (tls_shared_gnu2_test_LDFLAGS): New variable.
12063         (tls_shared_gnu2_test_LDADD): New variable.
12064         * testsuite/Makefile.in: Rebuild.
12065         * testsuite/Makefile.
12066
12067 2008-04-11  Ian Lance Taylor  <iant@google.com>
12068
12069         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12070         justsyms.t.
12071         * testsuite/Makefile.in: Rebuild.
12072
12073         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12074         long.
12075         * testsuite/script_test_2.cc (main): Adjust test.
12076
12077 2008-04-11  David S. Miller  <davem@davemloft.net>
12078             Ian Lance Taylor  <iant@google.com>
12079
12080         * options.h (General_options): Add entries for '-Y' and
12081         '-relax'.
12082         * options.cc (General_options:finalize): If -Y was used, add those
12083         entries to the library path instead of the default "/lib" and
12084         "/usr/lib".
12085
12086 2008-04-11  David S. Miller  <davem@davemloft.net>
12087
12088         * testsuite/justsyms.t: Start at 0x100.
12089         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12090         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12091         long.
12092         * testsuite/script_test_2.cc: Adjust string and section length
12093         checks.
12094
12095 2008-04-09  Ian Lance Taylor  <iant@google.com>
12096
12097         PR gold/5996
12098         * script-sections.cc (Sections_element::allocate_to_segment): Add
12099         orphan parameter.
12100         (Output_section_definition::allocate_to_segment): Likewise.
12101         (Orphan_output_section::allocate_to_segment): Likewise.
12102         (Script_sections::attach_sections_using_phdrs_clause): Don't
12103         propagate non-PT_LOAD segments to orphan sections.
12104         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12105         readelf rather than objdump.
12106         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12107         .interp section and PT_INTERP segment are the same size.
12108         * testsuite/Makefile.in: Rebuild.
12109
12110         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12111         aliases for symbols defined in the same object.
12112         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12113         (weak_alias_test_SOURCES): New variable.
12114         (weak_alias_test_DEPENDENCIES): New variable.
12115         (weak_alias_test_LDFLAGS): New variable.
12116         (weak_alias_test_LDADD): New variable.
12117         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12118         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12119         (weak_alias_test_3.o): New target.
12120         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12121         * testsuite/weak_alias_test_main.cc: New file.
12122         * testsuite/weak_alias_test_1.cc: New file.
12123         * testsuite/weak_alias_test_2.cc: New file.
12124         * testsuite/weak_alias_test_3.cc: New file.
12125
12126 2008-04-08  Ian Lance Taylor  <iant@google.com>
12127
12128         * options.h (class General_options): Add --noinhibit-exec option.
12129         * main.cc (main): Check --noinhibit-exec.
12130
12131         * options.h (class General_options): Define --wrap as a special
12132         option.  Add wrap_symbols_ field.
12133         (General_options::any_wrap_symbols): New function.
12134         (General_options::is_wrap_symbol): New function.
12135         * options.cc (General_options::parse_wrap): New function.
12136         (General_options::General_options): Initialize wrap_symbols_.
12137         * symtab.cc (Symbol_table::wrap_symbol): New function.
12138         (Symbol_table::add_from_object): Handle --wrap.
12139         * symtab.h (class Symbol_table): Declare wrap_symbol.
12140         * target.h (Target::wrap_char): New function.
12141         (Target::Target_info): Add wrap_char field.
12142         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12143         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12144         * testsuite/testfile.cc (Target_test::test_target_info):
12145         Likewise.
12146
12147         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12148         there is one.
12149
12150         * layout.h (class Layout): Add added_eh_frame_data_ field.
12151         * layout.cc (Layout::Layout): Initialize new field.
12152         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12153         output section until we find a section we merged successfully.
12154         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12155         that the size be non-zero.
12156
12157         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12158         qualifier.
12159
12160 2008-04-08  Craig Silverstein  <csilvers@google.com>
12161
12162         * configure.ac: Export new conditional variable HAVE_ZLIB.
12163         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12164         on HAVE_ZLIB.
12165         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12166         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12167
12168 2008-04-07  Ian Lance Taylor  <iant@google.com>
12169
12170         * version.cc (version_string): Set to "1.5".
12171
12172         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12173         Add issued_non_pic_error_ field.  Declare check_non_pic.
12174         (Target_x86_64::Scan::check_non_pic): New function.
12175         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12176         (Target_x86_64::Scan::global): Likewise.
12177
12178         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12179         addend parameter.  Change caller.  Handle merge sections.
12180         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12181         Address to Addend.  Don't add in the result of
12182         local_section_offset, pass down the addend and use the returned
12183         value.
12184         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12185         Update declarations of local_section_offset and symbol_value.
12186         * testsuite/two_file_test_1.cc (t18): New function.
12187         * testsuite/two_file_test_2.cc (f18): New function.
12188         * testsuite/two_file_test_main.cc (main): Call t18.
12189         * testsuite/two_file_test.h (t18, f18): Declare.
12190
12191         * configure.ac: Don't test for objdump, c++filt, or readelf.
12192         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12193         conditionals.
12194         (TEST_READELF): New variable.
12195         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12196         (check_PROGRAMS): Add two_file_strip_test.
12197         (two_file_strip_test): New target.
12198         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12199         (two_file_same_shared_strip_test_SOURCES): New variable.
12200         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12201         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12202         (two_file_same_shared_strip_test_LDADD): New variable.
12203         (two_file_shared_strip.so): New target.
12204         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12205         (ver_test_5.syms, ver_test_7.syms): Likewise.
12206         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12207         (strip_test_3.stdout): Use TEST_OBJDUMP.
12208         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12209
12210 2008-04-04  Cary Coutant  <ccoutant@google.com>
12211
12212         * symtab.h (Symbol::is_weak_undefined): New function.
12213         (Symbol::is_strong_undefined): New function.
12214         (Symbol::is_absolute): New function.
12215         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12216         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12217         absolute symbols.
12218         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12219         (weak_undef_test): New target.
12220         * testsuite/Makefile.in: Rebuild.
12221         * testsuite/weak_undef_file1.cc: New file.
12222         * testsuite/weak_undef_file2.cc: New file.
12223         * testsuite/weak_undef_test.cc: New file.
12224
12225 2008-04-03  Craig Silverstein  <csilvers@google.com>
12226
12227         * compressed_output.h (class Output_compressed_section): Use
12228         unsigned buffer.
12229         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12230         add zlib header.
12231         (zlib_compressed_suffix): Removed.
12232         (Output_compressed_section::set_final_data_size): Use unsigned
12233         buffers.
12234         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12235         Fix linker invocation.
12236         (flagstest_o_specialfile_and_compress_debug_sections):
12237         Likewise.
12238         * testsuite/Makefile.in: Regenerated.
12239
12240 2008-04-02  David S. Miller  <davem@davemloft.net>
12241
12242         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12243         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12244
12245 2008-04-02  Craig Silverstein  <csilvers@google.com>
12246
12247         * TODO: New file.
12248
12249 2008-04-02  Ian Lance Taylor  <iant@google.com>
12250
12251         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12252         parameters.  Update for new key type to views_.  Change all
12253         callers.
12254         (File_read::read): Adjust for byteshift in returned view.
12255         (File_read::add_view): New function, broken out of
12256         find_and_make_view.
12257         (File_read::make_view): New function, broken out of
12258         find_and_make_view.
12259         (File_read::find_or_make_view): Add offset and aligned
12260         parameters.  Rewrite accordingly.  Change all callers.
12261         (File_read::get_view): Add offset and aligned parameters.  Adjust
12262         for byteshift in return value.
12263         (File_read::get_lasting_view): Likewise.
12264         * fileread.h (class File_read): Update declarations.
12265         (class File_read::View): Add byteshift_ field.  Add byteshift to
12266         constructor.  Add byteshift method.
12267         * archive.h (Archive::clear_uncached_views): New function.
12268         (Archive::get_view): Add aligned parameter.  Change all callers.
12269         * object.h (Object::get_view): Add aligned parameter.  Change all
12270         callers.
12271         (Object::get_lasting_view): Likewise.
12272
12273         * fileread.cc (File_read::release): Don't call clear_views if
12274         there are multiple objects.
12275         * fileread.h (File_read::clear_uncached_views): New function.
12276         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12277         on the archive.
12278
12279 2008-03-31  Cary Coutant  <ccoutant@google.com>
12280
12281         Add thin archive support.
12282         * archive.cc (Archive::armagt): New const.
12283         (Archive::setup): Remove task parameter and calls to unlock.
12284         (Archive::unlock_nested_archives): New function.
12285         (Archive::read_header): Add nested_off parameter. Change
12286         all callers.
12287         (Archive::interpret_header): Likewise.
12288         (Archive::include_all_members): Change to handle thin
12289         archives.
12290         (Archive::include_member): Likewise.
12291         * archive.h (Archive::Archive): Add new parameters and
12292         initializers.
12293         (Archive::armagt): New const.
12294         (Archive::setup): Remove task parameter.
12295         (Archive::unlock_nested_archives): New function.
12296         (Archive::read_header): Add nested_off parameter.
12297         (Archive::interpret_header): Likewise.
12298         (Archive::Nested_archive_table): New typedef.
12299         (Archive::is_thin_archive_): New field.
12300         (Archive::nested_archives_): New field.
12301         (Archive::options_): New field.
12302         (Archive::dirpath_): New field.
12303         (Archive::task_): New field.
12304         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12305         for thin archives.  Pass additional parameters to
12306         Archive::Archive.  Unlock the archive file after calling
12307         Archive::setup.
12308
12309 2008-03-29  Ian Lance Taylor  <iant@google.com>
12310
12311         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12312         version symbol to be local.
12313         * testsuite/ver_test_4.sh: New file.
12314         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12315         (check_DATA): Add ver_test_4.syms.
12316         (ver_test_4.syms): New target.
12317         * testsuite/Makefile.in: Rebuild.
12318
12319         * output.cc
12320         (Output_section::Input_section_sort_entry::has_priority): New
12321         function.
12322         (Output_section::Input_section_sort_entry::match_file_name): New
12323         function.
12324         (Output_section::Input_section_sort_entry::match_section_name):
12325         Remove.
12326         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12327         Remove.
12328         (Output_section::Input_section_sort_entry::match_section_file):
12329         Remove.
12330         (Output_section::Input_section_sort_compare::operator()): Rewrite
12331         using new Input_section_sort_entry functions.  Sort crtbegin and
12332         crtend first.  Sort sections with no priority before sections with
12333         a priority.
12334         * testsuite/initpri1.c (d3): Check j != 4.
12335         (cd5): New constructor/destructor function.
12336         (main): Check j != 2.
12337
12338         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12339         new symbol when resolving, don't call set_is_default.
12340         * testsuite/ver_test_7.cc: New file.
12341         * testsuite/ver_test_7.sh: New file.
12342         * testsuite/Makefile.am (ver_test_7.so): New target.
12343         (ver_test_7.o): New target.
12344         (check_SCRIPTS): Add ver_test_7.sh.
12345         (check_DATA): Add ver_test_7.syms.
12346         (ver_test_7.syms): New target.
12347
12348 2008-03-28  Ian Lance Taylor  <iant@google.com>
12349
12350         * layout.cc (Layout::layout): If we see an input section with a
12351         name that needs sorting, set the must_sort flag for the output
12352         section.
12353         (Layout::make_output_section): If the name of the output section
12354         indicates that it might require sorting, set the may_sort flag.
12355         * output.h (Output_section::may_sort_attached_input_sections): New
12356         function.
12357         (Output_section::set_may_sort_attached_input_sections): New
12358         function.
12359         (Output_section::must_sort_attached_input_sections): New
12360         function.
12361         (Output_section::set_must_sort_attached_input_sections): New
12362         function.
12363         (class Output_section): Declare Input_section_sort_entry.  Define
12364         Input_section_sort_compare.  Declare
12365         sort_attached_input_sections.  Add new fields:
12366         may_sort_attached_input_sections_,
12367         must_sort_attached_input_sections_,
12368         attached_input_sections_are_sorted_.
12369         * output.cc (Output_section::Output_section): Initialize new
12370         fields.
12371         (Output_section::add_input_section): Add an entry to
12372         input_sections_ if may_sort or must_sort are true.
12373         (Output_section::set_final_data_size): Call
12374         sort_attached_input_sections if necessary.
12375         (Output_section::Input_section_sort_entry): Define new class.
12376         (Output_section::Input_section_sort_compare::operator()): New
12377         function.
12378         (Output_section::sort_attached_input_sections): New function.
12379         * configure.ac: Check whether the compiler supports constructor
12380         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12381         * testsuite/initpri1.c: New file.
12382         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12383         CONSTRUCTOR_PRIORITY.
12384         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12385         (initpri1_LDFLAGS): New variable.
12386         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12387
12388 2008-03-27  Ian Lance Taylor  <iant@google.com>
12389
12390         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12391         * testsuite/common_test_1.c: New file.
12392         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12393         (common_test_1_SOURCES): New variable.
12394         (common_test_1_DEPENDENCIES): New variable.
12395         (common_test_1_LDFLAGS): New variable.
12396
12397         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12398         and commons_ correctly when NAME/VERSION does not override
12399         NAME/NULL.
12400         * testsuite/ver_test_6.c: New file.
12401         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12402         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12403         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12404
12405 2008-03-26  Ian Lance Taylor  <iant@google.com>
12406
12407         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12408         of an undefined symbol from a version script.
12409         * testsuite/Makefile.am (ver_test_5.so): New target.
12410         (ver_test_5.o): New target.
12411         (check_SCRIPTS): Add ver_test_5.sh.
12412         (check_DATA): Add ver_test_5.syms.
12413         (ver_test_5.syms): New target.
12414         * testsuite/ver_test_5.cc: New file.
12415         * testsuite/ver_test_5.script: New file.
12416         * testsuite/ver_test_5.sh: New file.
12417         * Makefile.in, testsuite/Makefile.in: Rebuild.
12418
12419         PR gold/5986
12420         Fix problems building gold with gcc 4.3.0.
12421         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12422         (gold_error_at_location, gold_warning_at_location): Use it.
12423         * configure.ac: Check whether we can compile and use a template
12424         function with a printf attribute.
12425         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12426         when jumping over bytes.
12427         * object.cc: Instantiate Object::read_section_data.
12428         * debug.h: Include <cstring>
12429         * dwarf_reader.cc: Include <algorithm>
12430         * main.cc: Include <cstring>.
12431         * options.cc: Include <cstring>.
12432         * output.cc: Include <cstring>.
12433         * script.cc: Include <cstring>.
12434         * script.h: Include <string>.
12435         * symtab.cc: Include <cstring> and <algorithm>.
12436         * target-select.cc: Include <cstring>.
12437         * version.cc: Include <string>.
12438         * testsuite/testmain.cc: Include <cstdlib>.
12439         * configure, config.in: Rebuild.
12440
12441 2008-03-25  Ian Lance Taylor  <iant@google.com>
12442
12443         * options.cc: Include "../bfd/bfdver.h".
12444         (options::help): Print bug reporting address.
12445
12446         * version.cc (print_version): Adjust output for current value of
12447         BFD_VERSION_STRING.
12448
12449         * NEWS: New file.
12450
12451         * options.cc (options::help): Print list of supported targets.
12452         * target-select.h: Include <vector>.
12453         (class Target_selector): Make machine_, size_, and is_big_endian_
12454         fields const.  Add bfd_name_ and instantiated_target_ fields.
12455         (Target_selector::Target_selector): Add bfd_name parameter.
12456         (Target_selector::recognize): Make non-virtual, call
12457         do_recognize.
12458         (Target_selector::recognize_by_name): Make non-virtual, call
12459         do_recognize_by_name.
12460         (Target_selector::supported_names): New function.
12461         (Target_selector::bfd_name): New function.
12462         (Target_selector::do_instantiate_target): New pure virtual
12463         function.
12464         (Target_selector::do_recognize): New virtual function.
12465         (Target_selector::do_recognize_by_name): New virtual function.
12466         (Target_selector::instantiate_target): New private function.
12467         (supported_target_names): Declare.
12468         * target-select.cc (Target_selector::Target_selector): Update for
12469         new parameter and fields.
12470         (select_target_by_name): Check that the name matches before
12471         calling recognize_by_name.
12472         (supported_target_names): New function.
12473         * i386.cc (class Target_selector_i386): Update Target_selector
12474         constructor call.  Remove recognize and recognize_by_name.  Add
12475         do_instantiate_target.
12476         * x86_64.cc (class Target_selector_x86_64): Likewise.
12477         * testsuite/testfile.cc (class Target_selector_test): Update for
12478         changes to Target_selector.
12479
12480         * README: Rewrite, with some notes on unsupported features.
12481
12482 2008-03-24  Cary Coutant  <ccoutant@google.com>
12483
12484         * i386.cc (Target_i386::Got_type): New enum declaration.
12485         (Target_i386::Scan::local): Updated callers of Output_data_got
12486         member functions.
12487         (Target_i386::Scan::global): Likewise.
12488         (Target_i386::Relocate::relocate): Likewise.
12489         (Target_i386::Relocate::relocate_tls): Likewise.
12490         * object.h (Got_offset_list): New class.
12491         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12492         (Sized_relobj::local_got_offset): Likewise.
12493         (Sized_relobj::set_local_got_offset): Likewise.
12494         (Sized_relobj::local_has_tls_got_offset): Removed.
12495         (Sized_relobj::local_tls_got_offset): Removed.
12496         (Sized_relobj::set_local_tls_got_offset): Removed.
12497         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12498         * output.cc (Output_data_got::add_global): Added got_type parameter.
12499         (Output_data_got::add_global_with_rel): Likewise.
12500         (Output_data_got::add_global_with_rela): Likewise.
12501         (Output_data_got::add_global_pair_with_rel): New function.
12502         (Output_data_got::add_global_pair_with_rela): New function.
12503         (Output_data_got::add_local): Added got_type parameter.
12504         (Output_data_got::add_local_with_rel): Likewise.
12505         (Output_data_got::add_local_with_rela): Likewise.
12506         (Output_data_got::add_local_pair_with_rel): New function.
12507         (Output_data_got::add_local_pair_with_rela): New function.
12508         (Output_data_got::add_global_tls): Removed.
12509         (Output_data_got::add_global_tls_with_rel): Removed.
12510         (Output_data_got::add_global_tls_with_rela): Removed.
12511         (Output_data_got::add_local_tls): Removed.
12512         (Output_data_got::add_local_tls_with_rel): Removed.
12513         (Output_data_got::add_local_tls_with_rela): Removed.
12514         * output.h (Output_data_got::add_global): Added got_type parameter.
12515         (Output_data_got::add_global_with_rel): Likewise.
12516         (Output_data_got::add_global_with_rela): Likewise.
12517         (Output_data_got::add_global_pair_with_rel): New function.
12518         (Output_data_got::add_global_pair_with_rela): New function.
12519         (Output_data_got::add_local): Added got_type parameter.
12520         (Output_data_got::add_local_with_rel): Likewise.
12521         (Output_data_got::add_local_with_rela): Likewise.
12522         (Output_data_got::add_local_pair_with_rel): New function.
12523         (Output_data_got::add_local_pair_with_rela): New function.
12524         (Output_data_got::add_global_tls): Removed.
12525         (Output_data_got::add_global_tls_with_rel): Removed.
12526         (Output_data_got::add_global_tls_with_rela): Removed.
12527         (Output_data_got::add_local_tls): Removed.
12528         (Output_data_got::add_local_tls_with_rel): Removed.
12529         (Output_data_got::add_local_tls_with_rela): Removed.
12530         * resolve.cc (Symbol::override_base_with_special): Removed
12531         reference to has_got_offset_ field.
12532         * symtab.cc (Symbol::init_fields): Replaced initialization
12533         of got_offset_ with got_offsets_.  Removed initialization
12534         of has_got_offset_
12535         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12536         (Symbol::got_offset): Likewise.
12537         (Symbol::set_got_offset): Likewise.
12538         (Symbol::has_tls_got_offset): Removed.
12539         (Symbol::tls_got_offset): Removed.
12540         (Symbol::set_tls_got_offset): Removed.
12541         (Symbol::got_offset_): Removed.
12542         (Symbol::tls_mod_got_offset_): Removed.
12543         (Symbol::tls_pair_got_offset_): Removed.
12544         (Symbol::got_offsets_): New field.
12545         (Symbol::has_got_offset): Removed.
12546         (Symbol::has_tls_mod_got_offset): Removed.
12547         (Symbol::has_tls_pair_got_offset): Removed.
12548         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12549         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12550         member functions.
12551         (Target_x86_64::Scan::global): Likewise.
12552         (Target_x86_64::Relocate::relocate): Likewise.
12553         (Target_x86_64::Relocate::relocate_tls): Likewise.
12554
12555 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12556
12557         * yyscript.y: Fix spelling error in comment.
12558
12559 2008-03-24  Ian Lance Taylor  <iant@google.com>
12560
12561         * options.h (class General_options): Define build_id option.
12562         * layout.h (class Layout): Declare write_build_id, create_note,
12563         create_build_id.  Add build_id_note_ member.
12564         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12565         "libiberty.h", "md5.h", "sha1.h".
12566         (Layout::Layout): Initialize eh_frame_data_,
12567         eh_frame_hdr_section_, and build_id_note_.
12568         (Layout::finalize): Call create_build_id.
12569         (Layout::create_note): New function, broken out of
12570         Layout::create_gold_note.
12571         (Layout::create_gold_note): Call create_note.
12572         (Layout::create_build_id): New function.
12573         (Layout::write_build_id): New function.
12574         (Close_task_runner::run): Call write_build_id.
12575
12576         * x86_64.cc: Correct license to GPLv3.
12577
12578 2008-03-23  Ian Lance Taylor  <iant@google.com>
12579
12580         * options.cc: Include "demangle.h".
12581         (parse_optional_string): New function.
12582         (parse_long_option): Handle takes_optional_argument.
12583         (parse_short_option): Update dash_z initializer.  Handle
12584         takes_optional_argument.
12585         (General_options::General_options): Initialize do_demangle_.
12586         (General_options::finalize): Set do_demangle_.  Handle demangling
12587         style.
12588         * options.h (parse_optional_string): Declare.
12589         (struct One_option): Add optional_arg field.  Update constructor.
12590         Update call constructor calls.  Add takes_optional_argument
12591         function.
12592         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12593         (DEFINE_optional_string): Define.
12594         (General_options::demangle): Change from DEFINE_bool to
12595         DEFINE_optional_string.
12596         (General_options::no_demangle): New function.
12597         (General_options::do_demangle): New function.
12598         (General_options::set_do_demangle): New function.
12599         (General_options::execstack_status_): Move definition to end of
12600         class definition.
12601         (General_options::static_): Likewise.
12602         (General_options::do_demangle_): New field.
12603         * object.cc (big_endian>::get_symbol_location_info): Call
12604         Options::do_demangle, not Options::demangle.
12605         * symtab.cc (demangle): Likewise.
12606
12607 2008-03-22  Ian Lance Taylor  <iant@google.com>
12608
12609         * gold.h: Include <cstddef> and <sys/types.h>
12610         * options.h: Include <cstring>.
12611
12612 2008-03-21  Ian Lance Taylor  <iant@google.com>
12613
12614         * Added source code to GNU binutils.