gold/ChangeLog

   1 2012-04-12  David S. Miller  <davem@davemloft.net>
   2
   3         * sparc.cc (Reloc::wdisp10): New relocation method.
   4         (Reloc::h34): Likewise.
   5         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
   6         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
   7         R_SPARC_WDISP10.
   8         (Target_sparc::Scan::local): Likewise.
   9         (Target_sparc::Scan::global): Likewise.
  10         (Target_sparc::Relocate::relocate): Likewise.
  11
  12 2012-04-09  Cary Coutant  <ccoutant@google.com>
  13
  14         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
  15         low_pc == 0.
  16
  17 2012-04-06  Ian Lance Taylor  <iant@google.com>
  18
  19         * timer.cc: #include <unistd.h>.
  20
  21 2012-04-06  Roland McGrath  <mcgrathr@google.com>
  22
  23         * configure.in (AC_CHECK_HEADERS): Add locale.h.
  24         * config.in: Regenerate.
  25         * configure: Regenerate.
  26
  27 2012-04-05  Nick Clifton  <nickc@redhat.com>
  28
  29         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
  30         (AM_LC_MESSAGES): Add.
  31         * aclocal.m4: Regenerate.
  32         * config.in: Regenerate.
  33         * configure: Regenerate.
  34
  35 2012-03-21  Cary Coutant  <ccoutant@google.com>
  36
  37         * Makefile.am: Add gdb-index.cc, gdb-index.h.
  38         * Makefile.in: Regenerate.
  39         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
  40         (Sized_elf_reloc_mapper::symbol_section): New function.
  41         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
  42         (make_elf_reloc_mapper): New function.
  43         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
  44         (Dwarf_abbrev_table::do_read_abbrevs): New function.
  45         (Dwarf_abbrev_table::do_get_abbrev): New function.
  46         (Dwarf_ranges_table::read_ranges_table): New function.
  47         (Dwarf_ranges_table::read_range_list): New function.
  48         (Dwarf_pubnames_table::read_section): New function.
  49         (Dwarf_pubnames_table::read_header): New function.
  50         (Dwarf_pubnames_table::next_name): New function.
  51         (Dwarf_die::Dwarf_die): New function.
  52         (Dwarf_die::read_attributes): New function.
  53         (Dwarf_die::skip_attributes): New function.
  54         (Dwarf_die::set_name): New function.
  55         (Dwarf_die::set_linkage_name): New function.
  56         (Dwarf_die::attribute): New function.
  57         (Dwarf_die::string_attribute): New function.
  58         (Dwarf_die::int_attribute): New function.
  59         (Dwarf_die::uint_attribute): New function.
  60         (Dwarf_die::ref_attribute): New function.
  61         (Dwarf_die::child_offset): New function.
  62         (Dwarf_die::sibling_offset): New function.
  63         (Dwarf_info_reader::check_buffer): New function.
  64         (Dwarf_info_reader::parse): New function.
  65         (Dwarf_info_reader::do_parse): New function.
  66         (Dwarf_info_reader::do_read_string_table): New function.
  67         (Dwarf_info_reader::lookup_reloc): New function.
  68         (Dwarf_info_reader::get_string): New function.
  69         (Dwarf_info_reader::visit_compilation_unit): New function.
  70         (Dwarf_info_reader::visit_type_unit): New function.
  71         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
  72         Sized_elf_reloc_mapper.
  73         (Sized_dwarf_line_info::symbol_section): Remove function.
  74         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
  75         (Sized_dwarf_line_info::read_line_mappings): Remove object
  76         parameter, adjust callers.
  77         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
  78         * dwarf_reader.h: Include <sys/types.h>.
  79         (class Track_relocs): Remove forward declaration.
  80         (class Elf_reloc_mapper): New class.
  81         (class Sized_elf_reloc_mapper): New class.
  82         (class Dwarf_abbrev_table): New class.
  83         (class Dwarf_range_list): New class.
  84         (class Dwarf_ranges_table): New class.
  85         (class Dwarf_pubnames_table): New class.
  86         (class Dwarf_die): New class.
  87         (class Dwarf_info_reader): New class.
  88         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
  89         (Sized_dwarf_line_info::symbol_section): Remove member function.
  90         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
  91         base class.
  92         * gdb-index.cc: New source file.
  93         * gdb-index.h: New source file.
  94         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
  95         and .debug_types sections, call Layout::add_to_gdb_index.
  96         (Sized_relobj_incr::do_section_name): Implement.
  97         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
  98         return type; Implement.
  99         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 100         return type.
 101         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 102         parameter list and return type.
 103         (Sized_incr_dynobj::do_section_contents): Likewise.
 104         * layout.cc: Include gdb-index.h.
 105         (Layout::Layout): Initialize gdb_index_data_.
 106         (Layout::init_fixed_output_section): Check for .gdb_index section.
 107         (Layout::add_to_gdb_index): New function. Instantiate.
 108         * layout.h: Add forward declaration for class Gdb_index.
 109         (Layout::add_to_gdb_index): New member function.
 110         (Layout::gdb_index_data_): New data member.
 111         * main.cc: Include gdb-index.h.
 112         (main): Print statistics for gdb index.
 113         * object.cc (Object::section_contents): Move code into
 114         do_section_contents.
 115         (need_decompressed_section): Check for sections needed when building
 116         gdb index.
 117         (build_compressed_section_map): Likewise.
 118         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 119         gdb index.
 120         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 121         sections; call Layout::add_to_gdb_index.
 122         (Sized_relobj_file::do_decompressed_section_contents): Call
 123         do_section_contents directly.
 124         * object.h (Object::do_section_contents): Adjust parameter list and
 125         return type.
 126         (Object::do_decompressed_section_contents): Call do_section_contents
 127         directly.
 128         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 129         return type.
 130         * options.h (class General_options): Add --gdb-index option.
 131         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 132         list and return type.
 133         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 134         * reloc.h (Track_relocs::checkpoint): New function.
 135         (Track_relocs::reset): New function.
 136
 137         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 138         New test cases.
 139         * testsuite/Makefile.in: Regenerate.
 140         * testsuite/gdb_index_test.cc: New test source file.
 141         * testsuite/gdb_index_test_1.sh: New test source file.
 142         * testsuite/gdb_index_test_2.sh: New test source file.
 143
 144 2012-03-19  Doug Kwan  <dougkwan@google.com>
 145
 146         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 147         (Target_arm::do_finalize_sections): Remove code which defines
 148         __exidx_start and __exidx_end.  Make symbol table parameter
 149         anonymous as it is not used.
 150         * gold.cc (queue_middle_tasks): Call target hook to define any
 151         target-specific symbols.
 152         * target.h (Target::define_standard_symbols): New method.
 153         (Target::do_define_standard_symbols): Same.
 154         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 155         * testsuite/Makefile.in: Regenerate.
 156         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 157         and __exidx_end.
 158         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 159         relocations are generated for __exidx_start and __exidx_end.
 160
 161 2012-03-16  Doug Kwan  <dougkwan@google.com>
 162
 163         * testsuite/Makefile.am: Disable test initpri3b.
 164         * testsuite/Makefile.in: Regenerate.
 165
 166 2012-03-15  Doug Kwan  <dougkwan@google.com>
 167
 168         * arm.cc (Target_arm::got_section): Make .got section read-only
 169         if -z now is given.
 170
 171 2012-03-15  Ian Lance Taylor  <iant@google.com>
 172
 173         PR gold/13850
 174         * layout.cc (Layout::make_output_section): Correctly mark
 175         SHT_INIT_ARRAY, et. al., as relro.
 176
 177 2012-03-14  Doug Kwan  <dougkwan@google.com>
 178
 179         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 180         dynamic relocations for protected symbols in shared objects.
 181
 182 2012-03-13  Ian Lance Taylor  <iant@google.com>
 183
 184         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 185         keep the larger alignment.
 186
 187 2012-03-12  Cary Coutant  <ccoutant@google.com>
 188
 189         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 190         handling of DW_LNE_define_file.
 191
 192 2012-03-12  Cary Coutant  <ccoutant@google.com>
 193
 194         * reduced_debug_output.cc
 195         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 196         codes to switch.
 197
 198 2012-02-29  Cary Coutant  <ccoutant@google.com>
 199
 200         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 201
 202 2012-02-29  Cary Coutant  <ccoutant@google.com>
 203
 204         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 205         Call Object::decompressed_section_contents.
 206         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 207         New dtor.
 208         (Sized_dwarf_line_info::buffer_start_): New data member.
 209         * merge.cc (Output_merge_data::do_add_input_section): Call
 210         Object::decompressed_section_contents.
 211         (Output_merge_string::do_add_input_section): Likewise.
 212         * object.cc (need_decompressed_section): New function.
 213         (build_compressed_section_map): Decompress sections needed later.
 214         (Sized_relobj_file::do_decompressed_section_contents): New function.
 215         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 216         * object.h (Object::decompressed_section_contents): New function.
 217         (Object::discard_decompressed_sections): New function.
 218         (Object::do_decompressed_section_contents): New function.
 219         (Object::do_discard_decompressed_sections): New function.
 220         (Compressed_section_info): New type.
 221         (Compressed_section_map): Include decompressed section contents.
 222         (Sized_relobj_file::do_decompressed_section_contents): New function.
 223         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 224
 225 2012-02-16  Cary Coutant  <ccoutant@google.com>
 226
 227         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 228         * testsuite/Makefile.in: Regenerate.
 229
 230 2012-02-14  Cary Coutant  <ccoutant@google.com>
 231
 232         * options.cc (General_options::finalize): Disallow -pie and -static.
 233
 234 2012-02-03  Doug Kwan  <dougkwan@google.com>
 235
 236         * arm.cc (Arm_relocate_functions::abs8,
 237         Arm_relocate_functions::abs16): Use
 238         Bits::has_signed_unsigned_overflow32.
 239         (Arm_relocate_functions::thm_abs8): Correct range of
 240         overflow check.
 241         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 242         in assertions.
 243
 244 2012-02-02  Doug Kwan  <dougkwan@google.com>
 245
 246         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 247         position independent outputs, not just shared objects.
 248
 249 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 250
 251         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 252         * configure: Regenerated.
 253
 254 2012-01-27  Ian Lance Taylor  <iant@google.com>
 255
 256         * reloc.h (Bits): New class with static functions, copied from
 257         namespace utils in arm.cc.
 258         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 259         instead.
 260
 261 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 262
 263         * incremental.cc (write_info_blocks): Correct relocation offset.
 264
 265 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 266
 267         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 268         (Relocate::tls_gd_to_le): Likewise.
 269
 270 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 271
 272         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 273
 274 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 275
 276         * configure.ac: Check if -mcmodel=medium works.
 277         * configure: Regenerated.
 278
 279 2012-01-24  Cary Coutant  <ccoutant@google.com>
 280
 281         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 282         definition and ...
 283         (read_unsigned_LEB_128_x): ... this new function.
 284         (read_signed_LEB_128): Replaced with inline definition and ...
 285         (read_signed_LEB_128_x): ... this new function.
 286         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 287         (read_unsigned_LEB_128): Add inline definition.
 288         (read_signed_LEB_128_x): New function.
 289         (read_signed_LEB_128): Add inline definition.
 290         * testsuite/Makefile.am (leb128_unittest): New unit test.
 291         * testsuite/Makefile.in: Regenerate.
 292         * testsuite/leb128_unittest.cc: New unit test.
 293
 294 2012-01-23  Ian Lance Taylor  <iant@google.com>
 295
 296         PR gold/13617
 297         * i386.cc (Target_i386::do_code_fill): When using a jmp
 298         instruction, pad with nop instructions.
 299         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 300
 301 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 302
 303         * x86_64.cc (gc_process_relocs): Add typename on types used in
 304         template.
 305         (scan_relocs): Likewise.
 306         (relocate_section): Likewise.
 307         (apply_relocation): Likewise.
 308
 309 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 310
 311         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 312         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 313         under x32.
 314
 315 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 316
 317         * x86_64.cc: Initial support for x32.
 318
 319 2012-01-03  Cary Coutant  <ccoutant@google.com>
 320
 321         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 322         Use abstract base class for GOT.
 323         * gold/output.h (class Output_data_got_base): New abstract base class.
 324         (class Output_data_got): Derive from new base class, adjust ctors.
 325         (Output_data_got::reserve_slot): Make virtual; rename to
 326         do_reserve_slot; Adjust callers.
 327         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 328         pointer to abstract base class.
 329         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 330
 331 2011-12-18  Ian Lance Taylor  <iant@google.com>
 332
 333         * object.h (Relobj::local_symbol_value): New function.
 334         (Relobj::local_plt_offset): New function.
 335         (Relobj::local_has_got_offset): New function.
 336         (Relobj::local_got_offset): New function.
 337         (Relobj::set_local_got_offset): New function.
 338         (Relobj::do_local_symbol_value): New pure virtual function.
 339         (Relobj::do_local_plt_offset): Likewise.
 340         (Relobj::do_local_has_got_offset): Likewise.
 341         (Relobj::do_local_got_offset): Likewise.
 342         (Relobj::do_set_local_got_offset): Likewise.
 343         (Sized_relobj::do_local_has_got_offset): Rename from
 344         local_has_got_offset.
 345         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 346         (Sized_relobj::do_set_local_got_offset): Rename from
 347         set_local_got_offset.
 348         (Sized_relobj_file::do_local_plt_offset): Rename from
 349         local_plt_offset.
 350         (Sized_relobj_file::do_local_symbol_value): New function.
 351         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 352         local_plt_offset.
 353         * output.cc (Output_data_got::Got_entry::write): Change object to
 354         Relobj.  Use local_symbol_value.
 355         (Output_data_got::add_global_with_rel): Change rel_dyn to
 356         Output_data_reloc_generic*.  Use add_global_generic.
 357         (Output_data_got::add_global_with_rela): Remove.  Change all
 358         callers to use add_global_with_rel.
 359         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 360         Output_data_reloc_generic*.  Use add_global_generic.
 361         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 362         callers to use add_global_pair_with_rel.
 363         (Output_data_got::add_local): Change object to Relobj*.
 364         (Output_data_got::add_local_plt): Likewise.
 365         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 366         change rel_dyn to Output_data_reloc_generic*.  Use
 367         add_local_generic.
 368         (Output_data_got::add_local_with_rela): Remove.  Change all
 369         callers to use all_local_with_rel.
 370         (Output_data_got::add_local_pair_with_rel): Change object to
 371         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 372         add_output_section_generic.
 373         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 374         callers to use add_local_pair_with_rel.
 375         (Output_data_got::reserve_local): Change object to Relobj*.
 376         * output.h: (class Output_data_reloc_generic): Add pure virtual
 377         declarations for add_global_generic, add_local_generic,
 378         add_output_section_generic.
 379         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 380         functions for Output_data_reloc_generic.  Update declarations for
 381         changes listed in output.cc.
 382         (class Output_data_got): Change template parameter to got_size.
 383         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 384         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 385         function.
 386         (Sized_relobj_incr::do_local_plt_offset): New function.
 387         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 388         add_global_generic.
 389
 390 2011-12-17  Cary Coutant  <ccoutant@google.com>
 391
 392         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 393         * resolve.cc (Symbol_table::resolve): Likewise.
 394         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 395         arrays.
 396         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 397
 398 2011-12-16  Ian Lance Taylor  <iant@google.com>
 399
 400         * output.h (Output_data_reloc_generic::add): Only call
 401         add_dynamic_reloc if this is a dynamic reloc section.
 402
 403 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 404
 405         PR gold/13505
 406         * target-reloc.h (apply_relocation): Replace <64, false> with
 407         <size, big_endian>.
 408
 409 2011-11-25  Nick Clifton  <nickc@redhat.com>
 410
 411         * po/it.po: New Italian translation.
 412
 413 2011-11-17  Sterling Augustine  <saugustine@google.com>
 414
 415         * script.cc (script_include_directive): Implement.
 416         (read_script_file): New local variables name and search_path. Update
 417         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 418         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 419         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 420
 421 2011-11-11  Sterling Augustine  <saugustine@google.com>
 422
 423         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 424         (file_or_sections_cmd): Likewise.
 425
 426 2011-11-11  Doug Kwan  <dougkwan@google.com>
 427
 428         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 429         if --just-symbols is given.
 430
 431 2011-11-10  Doug Kwan  <dougkwan@google.com>
 432
 433         PR gold/13362
 434         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 435         when processing data relocs.
 436         * reloc.h (Relocate_functions::rel_unaligned): New method.
 437         (Relocate_functions::pcrel_unaligned): Ditto.
 438         (Relocate_functions::rel32_unaligned): Ditto.
 439         (Relocate_functions::pcrel32_unaligned): Ditto.
 440
 441 2011-11-09  Doug Kwan  <dougkwan@google.com>
 442
 443         PR gold/13362
 444         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 445         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 446         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 447         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 448         (Relocate_functions::rel_unaligned): New.
 449         (Relocate_functions::rel32_unaligned): New.
 450         * target-reloc.h (relocate_for_relocatable): Add code to handle
 451         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 452         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 453         arm_unaligned_reloc_r): New targets.
 454         * testsuite/Makefile.in: Regenerate.
 455         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 456         linking.
 457
 458 2011-11-02  Ian Lance Taylor  <iant@google.com>
 459
 460         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 461         NATIVE_LINKER.
 462         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 463         * options.cc (General_options::finalize): Use library search path
 464         from configure script if specified.  If not native and no sysroot,
 465         only search TOOLLIBDIR.
 466         * options.h (Search_directory::Search_directory): Change name to
 467         const std::string&.
 468         (General_options::add_to_library_path_with_sysroot): Change arg to
 469         const std::string&.
 470         * configure, Makefile.in, config.in: Rebuild.
 471
 472 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 473
 474         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 475         we are working around the ARM1176 Erratum.
 476         * options.h (General_options::fix_arm1176): Add option.
 477         * testsuite/Makefile.am: Add testcases, and keep current ones
 478         working.
 479         * testsuite/Makefile.in: Regenerate.
 480         * testsuite/arm_fix_1176.s: New file.
 481         * testsuite/arm_fix_1176.sh: Likewise.
 482
 483 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 484
 485         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 486         may_use_blx_.
 487         (Target_arm::may_use_blx): Remove method.
 488         (Target_arm::set_may_use_blx): Likewise.
 489         (Target_arm::may_use_v4t_interworking): New method.
 490         (Target_arm::may_use_v5t_interworking): Likewise.
 491         (Target_arm::may_use_blx_): Remove member variable.
 492         (Arm_relocate_functions::arm_branch_common): Check for v5T
 493         interworking.
 494         (Arm_relocate_functions::thumb_branch_common): Likewise.
 495         (Reloc_stub::stub_type_for_reloc): Likewise.
 496         (Target_arm::do_finalize_sections): Correct interworking checks.
 497         * testsuite/Makefile.am: Add new tests.
 498         * testsuite/Makefile.in: Regenerate.
 499         * testsuite/arm_farcall_arm_arm.s: New test.
 500         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 501         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 502         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 503         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 504         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 505         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 506         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 507
 508 2011-10-31  Cary Coutant  <ccoutant@google.com>
 509
 510         PR gold/13023
 511         * expression.cc (Expression::eval_with_dot): Add
 512         is_section_dot_assignment parameter.
 513         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 514         absolute and assigning to dot within a section.
 515         * script-sections.cc
 516         (Output_section_element_assignment::set_section_addresses): Pass
 517         dot_section to set_if_absolute.
 518         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 519         as is_section_dot_assignment flag to eval_with_dot.
 520         (Output_section_element_dot_assignment::set_section_addresses):
 521         Likewise.
 522         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 523         parameter.  Also set value if relative to dot_section; set the
 524         symbol's output_section.
 525         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 526         parameter.  Adjust all callers.
 527         (Expression::eval_maybe_dot): Likewise.
 528         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 529         Adjust all callers.
 530         * testsuite/script_test_2.t: Test assignment of an absolute value
 531         to dot within an output section element.
 532
 533 2011-10-31  Cary Coutant  <ccoutant@google.com>
 534
 535         * options.h (class General_options): Add --[no-]gnu-unique options.
 536         * symtab.cc (Symbol_table::sized_write_globals): Convert
 537         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 538
 539 2011-10-31  Cary Coutant  <ccoutant@google.com>
 540
 541         PR gold/13359
 542         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 543         unnecessary assertion.
 544         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 545
 546 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 547
 548         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 549         gc_mark_symbol.
 550         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 551         gc_mark_symbol.
 552         Change to just keep the section associated with symbol.
 553         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 554         they are externally visible and --export-dynamic is turned on.
 555         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 556
 557 2011-10-19  Ian Lance Taylor  <iant@google.com>
 558
 559         PR gold/13163
 560         * script-sections.cc
 561         (Output_section_element_dot_assignment::needs_output_section): New
 562         function.
 563
 564 2011-10-19  Ian Lance Taylor  <iant@google.com>
 565
 566         PR gold/13204
 567         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 568         --section-start option was seen.
 569         * options.h (General_options::any_section_start): New function.
 570
 571 2011-10-18  David S. Miller  <davem@davemloft.net>
 572
 573         PR binutils/13301
 574         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 575         member to track relocation locations that have moved during TLS
 576         reloc optimizations.
 577         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 578         (Target_sparc::Relocate::relocate): Adjust view down by 4
 579         bytes if it matches reloc_adjust_addr_.
 580         (Target_sparc::Relocate::relocate_tls): Always move the
 581         __tls_get_addr call delay slot instruction forward 4 bytes when
 582         performing relaxation.
 583
 584 2011-10-18  Cary Coutant  <ccoutant@google.com>
 585
 586         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 587         (Output_file::map_no_anonymous): Check for non-zero
 588         return code from posix_fallocate.
 589
 590 2011-10-17  Cary Coutant  <ccoutant@google.com>
 591
 592         PR gold/13245
 593         * plugin.cc (is_visible_from_outside): Check for symbols
 594         referenced from dynamic objects.
 595         * resolve.cc (Symbol_table::resolve): Don't count references
 596         from dynamic objects as references from real ELF files.
 597         * testsuite/plugin_test_2.sh: Adjust expected result.
 598
 599 2011-10-17  Cary Coutant  <ccoutant@google.com>
 600
 601         * gold.cc: Include timer.h.
 602         (queue_middle_tasks): Stamp time.
 603         (queue_final_tasks): Likewise.
 604         * main.cc (main): Store timer in parameters.  Print timers
 605         for each pass.
 606         * parameters.cc (Parameters::Parameters): Initialize timer_.
 607         (Parameters::set_timer): New function.
 608         (set_parameters_timer): New function.
 609         * parameters.h (Parameters::set_timer): New function.
 610         (Parameters::timer): New function.
 611         (Parameters::timer_): New data member.
 612         (set_parameters_timer): New function.
 613         * timer.cc (Timer::stamp): New function.
 614         (Timer::get_pass_time): New function.
 615         * timer.h (Timer::stamp): New function.
 616         (Timer::get_pass_time): New function.
 617         (Timer::pass_times_): New data member.
 618
 619 2011-10-17  Cary Coutant  <ccoutant@google.com>
 620
 621         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 622         task for members of lib groups.
 623
 624 2011-10-17  Cary Coutant  <ccoutant@google.com>
 625
 626         PR gold/13288
 627         * fileread.cc (File_read::find_view): Add assert.
 628         (File_read::make_view): Move bounds check (replace with assert)...
 629         (File_read::find_or_make_view): ... to here.
 630
 631 2011-10-12  Cary Coutant  <ccoutant@google.com>
 632
 633         * output.cc (Output_file::open_base_file): Handle case where
 634         ::read returns less than requested size.
 635
 636 2011-10-10  Cary Coutant  <ccoutant@google.com>
 637
 638         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 639         Initialize defined_count_.
 640         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 641         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 642         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 643         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 644         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 645         * incremental.h (Sized_relobj_incr::defined_count_): New data
 646         member.
 647         (Sized_incr_dynobj::defined_count_): New data member.
 648         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 649         Return zeroes instead of internal error.
 650
 651 2011-10-10  Cary Coutant  <ccoutant@google.com>
 652
 653         PR gold/13249
 654         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 655         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 656         * output.h (class Output_reloc): Add use_plt_offset flag.
 657         (Output_reloc::type_): Adjust size of bit field.
 658         (Output_reloc::use_plt_offset_): New bit field.
 659         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 660         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 661         flag.  Adjust all callers.
 662         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 663         creating RELATIVE relocations.
 664
 665 2011-10-10  Nick Clifton  <nickc@redhat.com>
 666
 667         * po/es.po: Updated Spanish translation.
 668         * po/fi.po: Updated Finnish translation.
 669
 670 2011-10-03   Diego Novillo  <dnovillo@google.com>
 671
 672         * options.cc (parse_uint): Fix dereference of RETVAL.
 673
 674 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 675
 676         * layout.h (section_order_map_): New member.
 677         (get_section_order_map): New member function.
 678         * output.cc (Output_section::add_input_section): Check for patterns
 679         only when --section-ordering-file is specified.
 680         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 681         output_sections have been formed.
 682         * layout.cc (Layout_Layout): Initialize section_order_map_.
 683         * plugin.cc (update_section_order): Store order in order_map. Do not
 684         update the order.
 685         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 686         * testsuite/Makefile.in: Regenerate.
 687         * testsuite/plugin_section_order.c: New file.
 688         * testsuite/plugin_final_layout.cc: New file.
 689         * testsuite/plugin_final_layout.sh: New file.
 690
 691 2011-09-29  Cary Coutant  <ccoutant@google.com>
 692
 693         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 694         Check for NULL.
 695         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 696         symbols during incremental update.
 697         (Symbol_table::add_from_dynobj): Likewise.
 698
 699 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 700             Ian Lance Taylor  <iant@google.com>
 701
 702         * symtab.cc (Symbol_table::define_special_symbol): Always
 703         canonicalize version string.
 704
 705 2011-09-26  Cary Coutant  <ccoutant@google.com>
 706
 707         * gold.cc (queue_initial_tasks): Move option checks ...
 708         * options.cc (General_options::finalize): ... to here. Disable
 709         some options; make others fatal.
 710
 711 2011-09-26  Cary Coutant  <ccoutant@google.com>
 712
 713         gcc PR lto/47247
 714         * plugin.cc (get_symbols_v2): New function.
 715         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 716         (is_referenced_from_outside): New function.
 717         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 718         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 719         (get_symbols): Pass version parameter.
 720         (get_symbols_v2): New function.
 721         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 722         parameter.
 723         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 724         (onload): Add LDPT_GET_SYMBOLS_V2.
 725         (all_symbols_read_hook): Use get_symbols_v2; check for
 726         LDPR_PREVAILING_DEF_IRONLY_EXP.
 727         * testsuite/plugin_test_3.sh: Update expected results.
 728
 729 2011-09-23  Simon Baldwin  <simonb@google.com>
 730
 731         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 732         configuration options.
 733         * configure: Regenerate.
 734         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 735         * Makefile.in: Regenerate.
 736         * testsuite/Makefile.in: Regenerate.
 737
 738 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 739
 740         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 741
 742 2011-09-19  Cary Coutant  <ccoutant@google.com>
 743
 744         * incremental.cc (can_incremental_update): Fix typo in comment.
 745         * incremental.h (can_incremental_update): Likewise.
 746
 747 2011-09-18  Cary Coutant  <ccoutant@google.com>
 748
 749         * incremental.cc (can_incremental_update): New function.
 750         * incremental.h (can_incremental_update): New function.
 751         * layout.cc (Layout::init_fixed_output_section): Call it.
 752         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 753         * object.cc (Sized_relobj_file::do_layout): Call
 754         can_incremental_update.
 755
 756 2011-09-13  Cary Coutant  <ccoutant@google.com>
 757
 758         * configure.ac: Check for glibc support for gnu_indirect_function
 759         support with static linking, setting automake conditional
 760         IFUNC_STATIC.
 761         * Makefile.in: Regenerate.
 762         * configure: Regenerate.
 763
 764         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 765         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 766         for IFUNC_STATIC.
 767         * testsuite/Makefile.in: Regenerate.
 768
 769 2011-09-13  Cary Coutant  <ccoutant@google.com>
 770
 771         * incremental.cc (Sized_relobj_incr::do_layout): Call
 772         report_comdat_group for kept comdat sections.
 773         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 774         * testsuite/Makefile.in: Regenerate.
 775         * testsuite/incr_comdat_test_1.cc: New source file.
 776         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 777         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 778         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 779
 780 2011-09-13  Ian Lance Taylor  <iant@google.com>
 781
 782         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 783         variable external_symbols_offset.
 784
 785 2011-09-12  Ian Lance Taylor  <iant@google.com>
 786
 787         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 788         triggered if object has no symbols.
 789
 790 2011-09-09  David S. Miller  <davem@davemloft.net>
 791
 792         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 793         (Output_fill_debug_line::do_write): Likewise.
 794
 795 2011-08-29  Cary Coutant  <ccoutant@google.com>
 796
 797         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 798         casts to match formatting specs.
 799         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 800
 801 2011-08-26  Cary Coutant  <ccoutant@google.com>
 802
 803         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 804         remaining hole size when allocating.
 805         (Layout::make_output_section): Set fill methods for debug sections.
 806         * layout.h (Free_list::Free_list_node): Move from private to
 807         public.
 808         (Free_list::set_min_hole_size): New function.
 809         (Free_list::begin, Free_list::end): New functions.
 810         (Free_list::min_hole_): New data member.
 811         * output.cc: Include dwarf.h.
 812         (Output_fill_debug_info::do_minimum_hole_size): New function.
 813         (Output_fill_debug_info::do_write): New function.
 814         (Output_fill_debug_line::do_minimum_hole_size): New function.
 815         (Output_fill_debug_line::do_write): New function.
 816         (Output_section::Output_section): Initialize new data member.
 817         (Output_section::set_final_data_size): Ensure patch space is larger
 818         than minimum hole size.
 819         (Output_section::do_write): Fill holes in debug sections.
 820         * output.h (Output_fill): New class.
 821         (Output_fill_debug_info): New class.
 822         (Output_fill_debug_line): New class.
 823         (Output_section::set_free_space_fill): New function.
 824         (Output_section::free_space_fill_): New data member.
 825         * testsuite/Makefile.am (incremental_test_3): Add
 826         --incremental-patch option.
 827         (incremental_test_4): Likewise.
 828         (incremental_test_5): Likewise.
 829         (incremental_test_6): Likewise.
 830         (incremental_copy_test): Likewise.
 831         (incremental_common_test_1): Likewise.
 832         * testsuite/Makefile.in: Regenerate.
 833
 834 2011-08-26  Nick Clifton  <nickc@redhat.com>
 835
 836         * po/es.po: Updated Spanish translation.
 837
 838 2011-08-01  Cary Coutant  <ccoutant@google.com>
 839
 840         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 841         * gold/testsuite/Makefile.in: Regenerate.
 842         * gold/testsuite/justsyms_exec.c: New source file.
 843         * gold/testsuite/justsyms_lib.c: New source file.
 844
 845 2011-08-01  Cary Coutant  <ccoutant@google.com>
 846
 847         * layout.cc (Layout::set_segment_offsets): Don't realign text
 848         segment if -Ttext was specified.
 849         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 850         file type.
 851         * object.h (Sized_relobj_file::e_type): New function.
 852         (Sized_relobj_file::e_type_): New data member.
 853         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 854         base address for ET_EXEC files.
 855         * target.cc (Target::do_make_elf_object_implementation): Allow
 856         ET_EXEC files with --just-symbols option.
 857
 858 2011-07-28  Cary Coutant  <ccoutant@google.com>
 859
 860         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 861         Add thread_number parameter.
 862         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 863         * workqueue-threads.cc
 864         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 865         current thread if its thread number is greater than desired thread
 866         count.
 867         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 868         Add thread_number parameter.
 869         (Workqueue::should_cancel_thread): Likewise.
 870         (Workqueue::find_runnable_or_wait): Pass thread_number to
 871         should_cancel_thread.
 872         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 873         parameter.
 874
 875 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 876
 877         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 878         only after checking if it cannot be forced local.
 879         * symtab.h (is_externally_visible): Check if the symbol is not forced
 880         local.
 881
 882 2011-07-15  Ian Lance Taylor  <iant@google.com>
 883
 884         * options.h (class General_options): Add --print-output-format.
 885         Move -EL next to -EB, for  better --help output.
 886         * target-select.cc: Include <cstdio>, "options.h", and
 887         "parameters.h".
 888         (Target_selector::do_target_bfd_name): New function.
 889         (print_output_format): New function.
 890         * target-select.h (class Target_selector): Update declarations.
 891         (Target_selector::target_bfd_name): New function.
 892         (print_output_format): Declare.
 893         * main.cc: Include "target-select.h".
 894         (main): Handle --print-output-format.
 895         * gold.cc: Include "target-select.h".
 896         (queue_initial_tasks): Handle --print-output-format when there are
 897         no input files.
 898         * parameters.cc (parameters_force_valid_target): Give a better
 899         error message if -EB/-EL does not match target.
 900         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 901         function.
 902
 903 2011-07-15  Ian Lance Taylor  <iant@google.com>
 904
 905         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 906         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 907         (Output_data_plt_i386::do_write): Write address of .dynamic
 908         section to first entry in .got.plt section.
 909         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 910         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 911         Initialize layout_.
 912         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 913         section to first entry in .got.plt section.
 914         * layout.h (Layout::dynamic_section): New function.
 915
 916 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 917
 918         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 919         to claim_file call.
 920         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 921         input_section_position_, and input_section_glob_.
 922         (read_layout_from_file): Call function section_ordering_specified.
 923         * layout.h (is_section_ordering_specified): New function.
 924         (section_ordering_specified): New function.
 925         (section_ordering_specified_): New boolean member.
 926         * main.cc(main): Call load_plugins after layout object is defined.
 927         * output.cc (Output_section::add_input_section): Use
 928         function section_ordering_specified to check if section ordering is
 929         needed.
 930         * output.cc (Output_section::add_relaxed_input_section): Use
 931         function section_ordering_specified to check if section ordering is
 932         needed.
 933         (Output_section::update_section_layout): New function.
 934         (Output_section::sort_attached_input_sections): Check if input section
 935         must be reordered.
 936         * output.h (Output_section::update_section_layout): New function.
 937         * plugin.cc (get_section_count): New function.
 938         (get_section_type): New function.
 939         (get_section_name): New function.
 940         (get_section_contents): New function.
 941         (update_section_order): New function.
 942         (allow_section_ordering): New function.
 943         (Plugin::load): Add the new interfaces to the transfer vector.
 944         (Plugin_manager::load_plugins): New parameter.
 945         (Plugin_manager::all_symbols_read): New parameter.
 946         (Plugin_manager::claim_file): New parameter. Save the elf object for
 947         unclaimed objects.
 948         (Plugin_manager::get_elf_object): New function.
 949         (Plugin_manager::get_view): Change to directly use the bool to check
 950         if get_view is called from claim_file_hook.
 951         * plugin.h (input_objects): New function
 952         (Plugin__manager::load_plugins): New parameter.
 953         (Plugin_manager::claim_file): New parameter.
 954         (Plugin_manager::get_elf_object): New function.
 955         (Plugin_manager::in_claim_file_handler): New function.
 956         (Plugin_manager::in_claim_file_handler_): New member.
 957         (layout): New function.
 958         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 959         handler with an extra parameter. Make the elf object before calling
 960         claim_file handler.
 961         * testsuite/plugin_test.c (get_section_count): New function pointer.
 962         (get_section_type): New function pointer.
 963         (get_section_name): New function pointer.
 964         (get_section_contents): New function pointer.
 965         (update_section_order): New function pointer.
 966         (allow_section_ordering): New function pointer.
 967         (onload): Check if the new interfaces exist.
 968
 969 2011-07-13  Ian Lance Taylor  <iant@google.com>
 970
 971         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 972         relro section.
 973         * x86_64.cc (Target_x86_64::got_section): Likewise.
 974         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 975         (relro_now_test_SOURCES): New variable.
 976         (relro_now_test_DEPENDENCIES): New variable.
 977         (relro_now_test_LDFLAGS): New variable.
 978         (relro_now_test_LDADD): New variable.
 979         (relro_now_test.so): New target.
 980         * testsuite/Makefile.in: Rebuild.
 981
 982 2011-07-12  Ian Lance Taylor  <iant@google.com>
 983
 984         PR gold/12980
 985         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 986         GLOB_DAT relocation rather than a RELATIVE relocation for a
 987         protected symbol when creating a shared library.
 988         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 989         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 990         * testsuite/protected_main_1.cc (main): Test that protected
 991         function has same address.
 992
 993 2011-07-11  Ian Lance Taylor  <iant@google.com>
 994
 995         PR gold/12979
 996         * options.h (class General_options): Add -Bgroup.
 997         * options.cc (General_options::finalize): If -Bgroup is set,
 998         default to --unresolved-symbols=report-all.
 999         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1000         * target-reloc.h (issue_undefined_symbol_error): Handle
1001         --unresolved-symbols=report-all.
1002
1003 2011-07-08  Ian Lance Taylor  <iant@google.com>
1004
1005         PR gold/11985
1006         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1007         if linker script discards key sections.
1008         (Layout::create_dynamic_symtab): Likewise.
1009         (Layout::assign_local_dynsym_offsets): Likewise.
1010         (Layout::sized_create_version_sections): Likewise.
1011         (Layout::create_interp): Likewise.
1012         (Layout::finish_dynamic_section): Likewise.
1013         (Layout::set_dynamic_symbol_size): Likewise.
1014
1015 2011-07-08  Ian Lance Taylor  <iant@google.com>
1016
1017         PR gold/12386
1018         * options.h (class General_options): Add --unresolved-symbols.
1019         * target-reloc.h (issue_undefined_symbol_error): Check
1020         --unresolved-symbols.  Add comments.
1021
1022 2011-07-08  Ian Lance Taylor  <iant@google.com>
1023
1024         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1025         expression more complex.
1026
1027 2011-07-08  Ian Lance Taylor  <iant@google.com>
1028
1029         PR gold/11317
1030         * target-reloc.h (issue_undefined_symbol_error): New inline
1031         function, broken out of relocate_section.
1032         (relocate_section): Call issue_undefined_symbol_error.
1033         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1034         there is no TLS segment if we are about to issue an undefined
1035         symbol error.
1036         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1037
1038 2011-07-08  Ian Lance Taylor  <iant@google.com>
1039
1040         PR gold/12279
1041         * resolve.cc (Symbol_table::should_override): Add fromtype
1042         parameter.  Change all callers.  Give error when linking together
1043         TLS and non-TLS symbol.
1044         (Symbol_table::should_override_with_special): Add fromtype
1045         parameter.  Change all callers.
1046         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1047         there is no TLS segment if we have reported some errors.
1048         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1049
1050 2011-07-08  Ian Lance Taylor  <iant@google.com>
1051
1052         PR gold/12372
1053         * target.h (Target::plt_address_for_global): New function.
1054         (Target::plt_address_for_local): New function.
1055         (Target::plt_section_for_global): Remove.
1056         (Target::plt_section_for_local): Remove.
1057         (Target::do_plt_address_for_global): New virtual function.
1058         (Target::do_plt_address_for_local): New virtual function.
1059         (Target::do_plt_section_for_global): Remove.
1060         (Target::do_plt_section_for_local): Remove.
1061         (Target::register_global_plt_entry): Add Symbol_table and Layout
1062         parameters.
1063         * output.cc (Output_data_got::Got_entry::write): Use
1064         plt_address_for_global and plt_address_for_local.
1065         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1066         address of output section.
1067         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1068         got_irelative_, and irelative_count_ fields.  Update
1069         declarations.
1070         (Output_data_plt_i386::has_irelative_section): New function.
1071         (Output_data_plt_i386::entry_count): Add irelative_count_.
1072         (Output_data_plt_i386::set_final_data_size): Likewise.
1073         (class Target_i386): Add got_irelative_ and rel_irelative_
1074         fields.  Update declarations.
1075         (Target_i386::Target_i386): Initialize new fields.
1076         (Target_i386::do_plt_address_for_global): New function replacing
1077         do_plt_section_for_global.
1078         (Target_i386::do_plt_address_for_local): New function replacing
1079         do_plt_section_for_local.
1080         (Target_i386::got_section): Create got_irelative_.
1081         (Target_i386::rel_irelative_section): New function.
1082         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1083         fields.  Don't define __rel_iplt_{start,end}.
1084         (Output_data_plt_i386::add_entry): Add symtab and layout
1085         parameters.  Change all callers.  Use different PLT and GOT for
1086         IFUNC symbols.
1087         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1088         layout parameters.  Change all callers.  Use different PLT and
1089         GOT.
1090         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1091         (Output_data_plt_i386::rel_irelative): New function.
1092         (Output_data_plt_i386::address_for_global): New function.
1093         (Output_data_plt_i386::address_for_local): New function.
1094         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1095         IRELATIVE GOT when changing IFUNC GOT entries.
1096         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1097         reloc.
1098         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1099         if we didn't create an IRELATIVE GOT.
1100         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1101         plt_address_for_local.
1102         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1103         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1104         got_irelative_, and irelative_count_ fields.  Update
1105         declarations.
1106         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1107         Initialize new fields.  Remove symtab parameter.  Change all
1108         callers.
1109         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1110         irelative_count_.
1111         (Output_data_plt_x86_64::has_irelative_section): New function.
1112         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1113         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1114         fields.  Update declarations.
1115         (Target_x86_64::Target_x86_64): Initialize new fields.
1116         (Target_x86_64::do_plt_address_for_global): New function replacing
1117         do_plt_section_for_global.
1118         (Target_x86_64::do_plt_address_for_local): New function replacing
1119         do_plt_section_for_local.
1120         (Target_x86_64::got_section): Create got_irelative_.
1121         (Target_x86_64::rela_irelative_section): New function.
1122         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1123         all callers.  Don't create __rel_iplt_{start,end}.
1124         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1125         parameters.  Change all callers.  Use different PLT and GOT for
1126         IFUNC symbols.
1127         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1128         layout parameters.  Change all callers.  Use different PLT and
1129         GOT.
1130         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1131         parameters.  Change all callers.  Use different PLT and GOT for
1132         IFUNC symbols.
1133         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1134         (Output_data_plt_x86_64::rela_irelative): New function.
1135         (Output_data_plt_x86_64::address_for_global): New function.
1136         (Output_data_plt_x86_64::address_for_local): New function.
1137         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1138         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1139         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1140         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1141         parameters.
1142         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1143         reloc.
1144         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1145         symbols if we didn't create an IRELATIVE GOT.
1146         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1147         plt_address_for_local.
1148         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1149         * testsuite/ifuncvar1.c: New test file.
1150         * testsuite/ifuncvar2.c: New test file.
1151         * testsuite/ifuncvar3.c: New test file.
1152         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1153         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1154         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1155         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1156         * testsuite/Makefile.in: Rebuild.
1157
1158 2011-07-07  Cary Coutant  <ccoutant@google.com>
1159
1160         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1161         (two_file_test_1_ndebug.o): Likewise.
1162         (two_file_test_1b_ndebug.o): Likewise.
1163         (two_file_test_2_ndebug.o): Likewise.
1164         (two_file_test_main_ndebug.o): Likewise.
1165         (incremental_test_2): Link with no-debug versions.
1166
1167 2011-07-06  Cary Coutant  <ccoutant@google.com>
1168
1169         * gold/incremental.cc
1170         (Output_section_incremental_inputs::write_info_blocks): Check for
1171         hidden and internal symbols.
1172
1173 2011-07-06  Cary Coutant  <ccoutant@google.com>
1174
1175         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1176         Check disposition for startup file.
1177         (Incremental_inputs::report_command_line): Ignore
1178         --incremental-startup-unchanged option.
1179         * options.cc (General_options::parse_incremental_startup_unchanged):
1180         New function.
1181         (General_options::General_options): Initialize new data member.
1182         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1183         (General_options): Add --incremental-startup-unchanged option.
1184         (General_options::incremental_startup_disposition): New function.
1185         (General_options::incremental_startup_disposition_): New data member.
1186
1187 2011-07-06  Cary Coutant  <ccoutant@google.com>
1188
1189         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1190         input file index to Script_info ctor.
1191         (Sized_incremental_binary::do_file_has_changed): Find the
1192         command-line argument for files named in scripts.
1193         * incremental.h (Script_info::Script_info): New ctor
1194         with input file index.
1195         (Script_info::input_file_index): New function.
1196         (Script_info::input_file_index_): New data member.
1197         (Incremental_binary::get_library): Add const.
1198         (Incremental_binary::get_script_info): Add const.
1199         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1200         * testsuite/Makefile.am (incremental_test_5): New test case.
1201         (incremental_test_6): New test case.
1202         * testsuite/Makefile.in: Regenerate.
1203
1204 2011-07-06  Cary Coutant  <ccoutant@google.com>
1205
1206         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1207         debug output when command lines differ.
1208
1209 2011-07-06  Cary Coutant  <ccoutant@google.com>
1210
1211         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1212         --incremental-patch option.
1213         * layout.cc (Free_list::allocate): Extend allocation beyond original
1214         end if enabled.
1215         (Layout::make_output_section): Mark sections that should get
1216         patch space.
1217         * options.cc (parse_percent): New function.
1218         * options.h (parse_percent): New function.
1219         (DEFINE_percent): New macro.
1220         (General_options): Add --incremental-patch option.
1221         * output.cc (Output_section::Output_section): Initialize new data
1222         members.
1223         (Output_section::add_input_section): Print section name when out
1224         of patch space.
1225         (Output_section::add_output_section_data): Likewise.
1226         (Output_section::set_final_data_size): Add patch space when
1227         doing --incremental-full.
1228         (Output_section::do_reset_address_and_file_offset): Remove patch
1229         space.
1230         (Output_segment::set_section_list_addresses): Print debug output
1231         only if --incremental-update.
1232         * output.h (Output_section::set_is_patch_space_allowed): New function.
1233         (Output_section::is_patch_space_allowed_): New data member.
1234         (Output_section::patch_space_): New data member.
1235         * parameters.cc (Parameters::incremental_full): New function.
1236         * parameters.h (Parameters::incremental_full): New function
1237         * testsuite/Makefile.am (incremental_test_2): Add test for
1238         --incremental-patch option.
1239         * testsuite/Makefile.in: Regenerate.
1240         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1241         (t18): Remove function body.
1242
1243 2011-07-05  Doug Kwan  <dougkwan@google.com>
1244
1245         PR gold/12771
1246         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1247         Arm_Address type for relocation result.
1248         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1249         overflow check.
1250         (Arm_relocate_functions::abs32): Use unaligned access.
1251         (Arm_relocate_functions::rel32): Ditto.
1252         (Arm_relocate_functions::prel31): Ditto.
1253         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1254         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1255         static data relocations.
1256         * testsuite/Makefile.in: Regnerate.
1257         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1258
1259 2011-07-05  Ian Lance Taylor  <iant@google.com>
1260
1261         PR gold/12392
1262         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1263         symbols if necessary.
1264         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1265
1266 2011-07-05  Ian Lance Taylor  <iant@google.com>
1267
1268         PR gold/12952
1269         * resolve.cc (Symbol::override_base_with_special): Simply override
1270         version with special symbol version, ignoring previous version.
1271
1272 2011-07-05  Ian Lance Taylor  <iant@google.com>
1273
1274         * object.cc (Sized_relobj_file::include_section_group): Add
1275         information to comment about signature location.
1276
1277 2011-07-02  Ian Lance Taylor  <iant@google.com>
1278
1279         PR gold/12957
1280         * options.h (class General_options): Add -f and -F.
1281         * options.cc (General_options::finalize): Fatal error if -f/-F
1282         are used without -shared.
1283         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1284
1285 2011-07-02  Ian Lance Taylor  <iant@google.com>
1286
1287         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1288
1289 2011-07-01  Ian Lance Taylor  <iant@google.com>
1290
1291         PR gold/12525
1292         PR gold/12952
1293         * resolve.cc (Symbol::override_base_with_special): Don't override
1294         the version if the overriding symbol has a different name.
1295         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1296         all callers.  If we give an error about an undefined version,
1297         define the base version if necessary.
1298         * dynobj.h (class Versions): Update declaration.
1299         * testsuite/weak_alias_test_5.cc: New file.
1300         * testsuite/weak_alias_test.script: New file.
1301         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1302         and versioned_alias have the right value, and call t2.
1303         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1304         weak_alias_test_5.so.
1305         (weak_alias_test_LDADD): Likewise.
1306         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1307         * testsuite/Makefile.in: Rebuild.
1308
1309 2011-07-01  Ian Lance Taylor  <iant@google.com>
1310
1311         PR gold/12525
1312         * options.h (class General_options): Support -z notext.
1313         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1314         -Wl,-z,notext.
1315         (two_file_shared_nonpic.so): Likewise.
1316         (two_file_shared_mixed.so): Likewise.
1317         (two_file_shared_mixed_1.so): Likewise.
1318         (weak_undef_lib_nonpic.so): Likewise.
1319         (alt/weak_undef_lib_nonpic.so): Likewise.
1320         (tls_test_shared_nonpic.so): Likewise.
1321         * testsuite/Makefile.in: Rebuild.
1322
1323 2011-07-01  Ian Lance Taylor  <iant@google.com>
1324
1325         PR gold/12525
1326         * configure.ac: Test whether static linking works, setting
1327         the automake conditional HAVE_STATIC.
1328         * testsuite/Makefile.am: Disable tests using -static if
1329         HAVE_STATIC is not true.
1330         * configure, testsuite/Makefile.in: Rebuild.
1331
1332 2011-07-01  Ian Lance Taylor  <iant@google.com>
1333
1334         PR gold/12525
1335         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1336         Assert if we see DW_EH_PE_indirect.
1337         * target.h (Target::ehframe_datarel_base): New function.
1338         (Target::do_ehframe_datarel_base): New target function.
1339         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1340         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1341         function.
1342
1343 2011-07-01  Ian Lance Taylor  <iant@google.com>
1344
1345         PR gold/12571
1346         * options.h (class General_options): Add
1347         --ld-generated-unwind-info.
1348         * ehframe.cc (Fde::write): Add address parameter.  Change all
1349         callers.  If associated with PLT, fill in address and size.
1350         (Cie::set_output_offset): Only add merge mapping if there is an
1351         object.
1352         (Cie::write): Add address parameter.  Change all callers.
1353         (Eh_frame::add_ehframe_for_plt): New function.
1354         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1355         input_offset_ fields into union u_, with new plt field.
1356         (Fde::Fde): Adjust for new union field.
1357         (Fde::Fde) [Output_data version]: New constructor.
1358         (Fde::add_mapping): Only add merge mapping if there is an object.
1359         (class Cie): Update declarations.
1360         (class Eh_frame): Declare add_ehframe_for_plt.
1361         * layout.cc (Layout::layout_eh_frame): Break out code into
1362         make_eh_frame_section, and call it.
1363         (Layout::make_eh_frame_section): New function.
1364         (Layout::add_eh_frame_for_plt): New function.
1365         * layout.h (class Layout): Update declarations.
1366         * merge.cc (Merge_map::add_mapping): Add assertion.
1367         * i386.cc: Include "dwarf.h".
1368         (class Output_data_plt_i386): Make first_plt_entry,
1369         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1370         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1371         and plt_eh_frame_fde.
1372         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1373         boundary.  Call add_eh_frame_for_plt if appropriate.
1374         * x86_64.cc: Include "dwarf.h".
1375         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1376         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1377         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1378         and plt_eh_frame_fde.
1379         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1380         appropriate.
1381
1382 2011-06-29  Ian Lance Taylor  <iant@google.com>
1383
1384         PR gold/12629
1385         * object.cc (Sized_relobj_file::layout_section): Change shdr
1386         parameter to be const.
1387         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1388         out of do_layout.
1389         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1390         appropriate.  Call layout_eh_frame_section.
1391         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1392         sections.
1393         * object.h (class Sized_relobj_file): Update declarations.
1394
1395 2011-06-29  Ian Lance Taylor  <iant@google.com>
1396
1397         PR gold/12652
1398         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1399         modifier.
1400         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1401
1402 2011-06-29  Ian Lance Taylor  <iant@google.com>
1403
1404         PR gold/12675
1405         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1406         SHT_X86_64_UNWIND.
1407         * layout.cc (Layout::layout_eh_frame): Likewise.
1408
1409 2011-06-29  Ian Lance Taylor  <iant@google.com>
1410
1411         PR gold/12695
1412         * layout.cc (Layout::symtab_section_shndx): New function.
1413         * layout.h (class Layout): Declare symtab_section_shndx.
1414         * output.cc (Output_section::write_header): Call it.
1415
1416 2011-06-29  Ian Lance Taylor  <iant@google.com>
1417
1418         PR gold/12818
1419         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1420         symbols which are not used in a relocation.
1421
1422 2011-06-28  Ian Lance Taylor  <iant@google.com>
1423
1424         PR gold/12898
1425         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1426         script create indistinguishable segments.
1427         (Layout::set_segment_offsets): Use stable_sort when sorting
1428         segments.  Pass this to Compare_segments constructor.
1429         * layout.h (class Layout): Make segment_precedes non-static.
1430         (class Compare_segments): Change from struct to class.  Add
1431         layout_ field.  Add constructor.
1432         * script-sections.cc
1433         (Script_sections::attach_sections_using_phdrs_clause): Rename
1434         local orphan to is_orphan.  Don't report failure to put empty
1435         section in segment.  On attachment failure, report name of
1436         section, and attach to first PT_LOAD segment.
1437
1438 2011-06-28  Ian Lance Taylor  <iant@google.com>
1439
1440         PR gold/12934
1441         * target-select.cc (Target_selector::Target_selector): Add
1442         emulation parameter.  Change all callers.
1443         (select_target_by_bfd_name): Rename from select_target_by_name.
1444         Change all callers.
1445         (select_target_by_emulation): New function.
1446         (supported_emulation_names): New function.
1447         * target-select.h (class Target_selector): Add emulation_ field.
1448         Update declarations.
1449         (Target_selector::recognize_by_bfd_name): Rename from
1450         recognize_by_name.  Change all callers.
1451         (Target_selector::supported_bfd_names): Rename from
1452         supported_names.  Change all callers.
1453         (Target_selector::recognize_by_emulation): New function.
1454         (Target_selector::supported_emulations): New function.
1455         (Target_selector::emulation): New function.
1456         (Target_selector::do_recognize_by_bfd_name): Rename from
1457         do_recognize_by_name.  Change all callers.
1458         (Target_selector::do_supported_bfd_names): Rename from
1459         do_supported_names.  Change all callers.
1460         (Target_selector::do_recognize_by_emulation): New function.
1461         (Target_selector::do_supported_emulations): New function.
1462         (select_target_by_bfd_name): Change name in declaration.
1463         (select_target_by_emulation): Declare.
1464         (supported_emulation_names): Declare.
1465         * parameters.cc (parameters_force_valid_target): Try to find
1466         target based on emulation from -m option.
1467         * options.h (class General_options): Change doc string for -m.
1468         * options.cc (help): Print emulations.
1469         (General_options::parse_V): Likewise.
1470         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1471         Add emulation parameter.  Change all callers.
1472
1473 2011-06-28  Ian Lance Taylor  <iant@google.com>
1474
1475         * target.h (class Target): Add osabi_ field.
1476         (Target::osabi): New function.
1477         (Target::set_osabi): New function.
1478         (Target::Target): Initialize osabi_.
1479         (Target::do_adjust_elf_header): Make pure virtual.
1480         (Sized_target::do_adjust_elf_header): Declare.
1481         * target.cc (Sized_target::do_adjust_elf_header): New function.
1482         (class Sized_target): Instantiate all versions.
1483         * freebsd.h (class Target_freebsd): Remove.
1484         (Target_selector_freebsd::do_recognize): Call set_osabi on
1485         Target.
1486         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1487         (Target_selector_freebsd::set_osabi): Remove.
1488         * i386.cc (class Target_i386): Inherit from Sized_target rather
1489         than Target_freebsd.
1490         * x86_64.cc (class Target_x86_64): Likewise.
1491
1492 2011-06-28  Ian Lance Taylor  <iant@google.com>
1493
1494         * target.h (Target::can_check_for_function_pointers): Rewrite.
1495         Make non-virtual.
1496         (Target::can_icf_inline_merge_sections): Likewise.
1497         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1498         (Target::Target_info): Add can_icf_inline_merge_sections field.
1499         (Target::do_can_check_for_function_pointers): New virtual
1500         function.
1501         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1502         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1503         from can_check_for_function_pointers, move in file.
1504         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1505         section_may_have_icf_unsafe_poineters, move in file.
1506         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1507         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1508         Rename from can_check_for_function_pointers, move in file.
1509         (Target_i386::can_icf_inline_merge_sections): Remove.
1510         (Target_i386::i386_info): Initialize
1511         can_icf_inline_merge_sections.
1512         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1513         Initialize can_icf_inline_merge_sections.
1514         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1515         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1516         Rename from can_check_for_function_pointers, move in file.
1517         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1518         (Target_x86_64::x86_64_info): Initialize
1519         can_icf_inline_merge_sections.
1520         * testsuite/testfile.cc (Target_test::test_target_info):
1521         Likewise.
1522         * icf.cc (get_section_contents): Correct formatting.
1523
1524 2011-06-27  Ian Lance Taylor  <iant@google.com>
1525
1526         * symtab.cc (Symbol::versioned_name): New function.
1527         (Symbol_table::add_to_final_symtab): Use versioned_name when
1528         appropriate.
1529         (Symbol_table::sized_write_symbol): Likewise.
1530         * symtab.h (class Symbol): Declare versioned_name.
1531         * stringpool.h (class Stringpool_template): Add variant of add
1532         which takes a std::basic_string.
1533         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1534         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1535         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1536         (ver_test_12.o): New target.
1537         * testsuite/Makefile.in: Rebuild.
1538
1539 2011-06-27  Doug Kwan  <dougkwan@google.com>
1540
1541         * arm.cc (Arm_relocate_functions::thm_jump8,
1542         Arm_relocate_functions::thm_jump11): Use a wider signed
1543         type to compute offset.
1544         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1545         arm_thm_jump8.
1546         * testsuite/Makefile.in: Regenerate.
1547         * testsuite/arm_branch_in_range.sh: Check test results of
1548         arm_thm_jump11 and arm_thm_jump8.
1549         * testsuite/arm_thm_jump11.s: New test source file.
1550         * testsuite/arm_thm_jump11.t: New linker script.
1551         * testsuite/arm_thm_jump8.s: New test source file.
1552         * testsuite/arm_thm_jump8.t: New linker script.
1553
1554 2011-06-24  Ian Lance Taylor  <iant@google.com>
1555
1556         * layout.cc: Include "object.h".
1557         (ctors_sections_in_init_array): New static variable.
1558         (Layout::is_ctors_in_init_array): New function.
1559         (Layout::layout): Add entry to ctors_sections_in_init_array if
1560         appropriate.
1561         * layout.h (class Layout): Declare is_ctors_in_init_array.
1562         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1563         is_ctors_reverse_view is set.
1564         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1565         all callers.  Set is_ctors_reverse_view field of View_size.
1566         (Sized_relobj_file::reverse_words): New function.
1567         * object.h (Sized_relobj_file::View_size): Add
1568         is_ctors_reverse_view field.
1569         (class Sized_relobj_file): Update declarations.
1570         * testsuite/initpri3.c: New test.
1571         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1572         initpri3b.
1573         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1574         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1575         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1576         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1577         * testsuite/Makefile.in: Rebuild.
1578
1579 2011-06-24  Cary Coutant  <ccoutant@google.com>
1580
1581         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1582         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1583         (debug_msg_cdebug.err): New targets.
1584         * testsuite/Makefile.in: Regenerate.
1585         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1586         Fix checks for link with shared library.
1587
1588 2011-06-24  Doug Kwan  <dougkwan@google.com>
1589
1590         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1591         skip empty text sections.
1592         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1593
1594 2011-06-22  Ian Lance Taylor  <iant@google.com>
1595
1596         PR gold/12910
1597         * options.h (class General_options): Add --ctors-in-init-array.
1598         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1599         friends as SHT_PROGBITS for merging sections.
1600         (Layout::layout): Remove special handling of .init_array and
1601         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1602         and .dtors if ctors_in_init_array.
1603         (Layout::make_output_section): Force correct section types for
1604         .init_array and friends.  Don't sort if doing relocatable link,
1605         Don't sort .ctors and .dtors if ctors_in_init_array.
1606         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1607         (Layout::output_section_name): Add relobj parameter.  Change all
1608         callers.  Handle .ctors. and .dtors. in code rather than table.
1609         Handle .ctors and .dtors if ctors_in_init_array.
1610         (Layout::match_file_name): New function, moved from output.cc.
1611         * layout.h (class Layout): Update declarations.
1612         * output.cc: Include "layout.h".
1613         (Input_section_sort_entry::get_priority): New function.
1614         (Input_section_sort_entry::match_file_name): Just call
1615         Layout::match_file_name.
1616         (Output_section::Input_section_sort_init_fini_compare::operator()):
1617         Handle .ctors and .dtors.  Sort by explicit priority rather than
1618         by name.
1619         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1620         * testsuite/initpri2.c: New test.
1621         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1622         (check_PROGRAMS): Add initpri2.
1623         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1624         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1625         * configure, testsuite/Makefile.in: Rebuild.
1626
1627 2011-06-19  Ian Lance Taylor  <iant@google.com>
1628
1629         PR gold/12880
1630         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1631         .interp section to a PT_INTERP segment even if we have seen a
1632         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1633         clause in a linker script.
1634         (Layout::finalize): Don't create a .interp section if we've
1635         already create a PT_INTERP segment.
1636         (Layout::create_interp): Always call choose_output_section (revert
1637         patch of 2011-06-17).  Don't create PT_INTERP segment.
1638         * script-sections.cc
1639         (Script_sections::create_note_and_tls_segments): Add a .interp
1640         section to a PT_INTERP segment even if we have seen a
1641         --dynamic-linker option.
1642
1643 2011-06-18  Ian Lance Taylor  <iant@google.com>
1644
1645         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1646         merely because a non-PT_LOAD segment has a dynamic reloc.
1647
1648 2011-06-18  Ian Lance Taylor  <iant@google.com>
1649
1650         * layout.cc (Layout::finish_dynamic_section): Don't create
1651         DT_FLAGS entry if not needed.
1652
1653 2011-06-18  Ian Lance Taylor  <iant@google.com>
1654
1655         PR gold/12745
1656         * layout.cc (Layout::layout_eh_frame): Correct handling of
1657         writable .eh_frame section.
1658
1659 2011-06-17  Ian Lance Taylor  <iant@google.com>
1660
1661         PR gold/12893
1662         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1663         symbol is redefined with the exact same object and value.
1664
1665 2011-06-17  Ian Lance Taylor  <iant@google.com>
1666
1667         PR gold/12880
1668         * layout.h (class Layout): Add interp_segment_ field.
1669         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1670         (Layout::attach_allocated_section_to_segment): If making shared
1671         library, put .interp section in PT_INTERP segment.
1672         (Layout::finalize): Also call create_interp if -dynamic-linker
1673         option was used.
1674         (Layout::create_interp): Assert that there is no PT_INTERP
1675         segment.  If not using a SECTIONS clause, use make_output_section.
1676         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1677         * script-sections.cc
1678         (Script_sections::create_note_and_tls_segments): If making shared
1679         library, put .interp section in PT_INTERP segment.
1680
1681 2011-06-17  Ian Lance Taylor  <iant@google.com>
1682
1683         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1684         when making a shared library.
1685
1686 2011-06-17  Ian Lance Taylor  <iant@google.com>
1687
1688         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1689         parameter.  Change all callers.  Don't issue warning about PC32
1690         against locally defined symbol.
1691
1692 2011-06-16  Ian Lance Taylor  <iant@google.com>
1693
1694         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1695         occurs in same object.
1696
1697 2011-06-14  Alan Modra  <amodra@gmail.com>
1698
1699         * po/POTFILES.in: Regenerate.
1700
1701 2011-06-09  Ian Lance Taylor  <iant@google.com>
1702
1703         * script-sections.cc
1704         (Orphan_output_section::set_section_addresses): For a relocatable
1705         link set address to 0.
1706
1707 2011-06-09  Cary Coutant  <ccoutant@google.com>
1708
1709         PR gold/12804
1710         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1711         used with --compress-debug-sections.
1712         * gold/object.cc (Sized_relobj_file::do_layout): Report
1713         uncompressed size of compressed input sections.
1714
1715 2011-06-08  Cary Coutant  <ccoutant@google.com>
1716
1717         PR gold/12804
1718         * testsuite/two_file_test_2_v1.cc: Change initialization of
1719         v2 to keep it in .data.
1720
1721 2011-06-07  Cary Coutant  <ccoutant@google.com>
1722
1723         * common.cc (Symbol_table::do_allocate_commons_list): Call
1724         gold_fallback.
1725         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1726         (Errors::fallback): New function.
1727         (gold_fallback): New function.
1728         * errors.h (Errors::fallback): New function.
1729         * gold.cc (gold_exit): Change status parameter to enum; adjust
1730         all callers.
1731         (queue_initial_tasks): Call gold_fallback.
1732         * gold.h: Include cstdlib.
1733         (Exit_status): New enum type.
1734         (gold_exit): Change status parameter to enum.
1735         (gold_fallback): New function.
1736         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1737         (Layout::create_symtab_sections): Likewise.
1738         (Layout::create_shdrs): Likewise.
1739         * main.cc (main): Adjust call to gold_exit.
1740         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1741         (Output_data_got::add_got_entry_pair): Likewise.
1742         (Output_section::add_input_section): Likewise.
1743         (Output_section::add_output_section_data): Likewise.
1744         (Output_segment::set_section_list_addresses): Likewise.
1745         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1746
1747 2011-06-07  Cary Coutant  <ccoutant@google.com>
1748
1749         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1750         for incremental links.
1751         * output.cc (Output_segment::set_section_list_addresses): Remove
1752         FIXME and test for TLS or BSS.
1753
1754 2011-06-07  Cary Coutant  <ccoutant@google.com>
1755
1756         * testsuite/Makefile.am: Add incremental_copy_test,
1757         incremental_common_test_1.
1758         * testsuite/Makefile.in: Regenerate.
1759         * testsuite/common_test_1_v1.c: New source file.
1760         * testsuite/common_test_1_v2.c: New source file.
1761         * testsuite/copy_test_v1.cc: New source file.
1762
1763 2011-06-07  Cary Coutant  <ccoutant@google.com>
1764
1765         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1766         update, allocate common from bss section's free list.
1767         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1768         linker-defined symbols.
1769         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1770         Skip GOT and PLT entries that are no longer referenced.
1771         (Output_section_incremental_inputs::write_info_blocks): Mark
1772         linker-defined symbols.
1773         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1774         * output.cc (Output_section::allocate): New function.
1775         * output.h (Output_section::allocate): New function.
1776         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1777         linker-defined symbols.
1778         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1779         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1780         (Symbol::init_base_output_data): Likewise.
1781         (Symbol::init_base_output_segment): Likewise.
1782         (Symbol::init_base_constant): Likewise.
1783         (Sized_symbol::init_output_data): Likewise.
1784         (Sized_symbol::init_output_segment): Likewise.
1785         (Sized_symbol::init_constant): Likewise.
1786         (Symbol_table::do_define_in_output_data): Likewise.
1787         (Symbol_table::do_define_in_output_segment): Likewise.
1788         (Symbol_table::do_define_as_constant): Likewise.
1789         * symtab.h (Symbol::is_predefined): New function.
1790         (Symbol::init_base_output_data): Add is_predefined parameter.
1791         (Symbol::init_base_output_segment): Likewise.
1792         (Symbol::init_base_constant): Likewise.
1793         (Symbol::is_predefined_): New data member.
1794         (Sized_symbol::init_output_data): Add is_predefined parameter.
1795         (Sized_symbol::init_output_segment): Likewise.
1796         (Sized_symbol::init_constant): Likewise.
1797         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1798
1799 2011-06-07  Cary Coutant  <ccoutant@google.com>
1800
1801         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1802         instead of emit_copy_reloc.
1803         (Copy_relocs::emit_copy_reloc): Refactor.
1804         (Copy_relocs::make_copy_reloc): New function.
1805         (Copy_relocs::add_copy_reloc): Remove.
1806         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1807         section.
1808         (Copy_relocs::make_copy_reloc): New function.
1809         (Copy_relocs::add_copy_reloc): Remove.
1810         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1811         unchanged input files.
1812         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1813         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1814         Reserve BSS space for COPY relocations.
1815         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1816         (Output_section_incremental_inputs::write_info_blocks): Record
1817         whether a symbol is copied from a shared object.
1818         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1819         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1820         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1821         (Incremental_input_entry_reader::get_output_symbol_index): Add
1822         is_copy parameter.
1823         (Incremental_binary::emit_copy_relocs): New function.
1824         (Incremental_binary::do_emit_copy_relocs): New function.
1825         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1826         new data member.
1827         (Sized_incremental_binary::add_copy_reloc): New function.
1828         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1829         (Sized_incremental_binary::Copy_reloc): New struct.
1830         (Sized_incremental_binary::Copy_relocs): New typedef.
1831         (Sized_incremental_binary::copy_relocs_): New data member.
1832         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1833         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1834         * target.h (Sized_target::emit_copy_reloc): New function.
1835         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1836
1837 2011-06-02  Cary Coutant  <ccoutant@google.com>
1838
1839         PR gold/12163
1840         * gold/archive.cc (Archive::Archive): Initialize new data member.
1841         (Archive::include_all_members): Return if archive has already been
1842         included.
1843         * gold/archive.h (Archive::include_all_members_): New data member.
1844
1845 2011-06-02  Nick Clifton  <nickc@redhat.com>
1846
1847         * dynobj.h: Fix spelling mistake in comment.
1848         * output.cc: Likewise.
1849
1850 2011-05-31  Doug Kwan  <dougkwan@google.com>
1851             Asier Llano
1852
1853         PR gold/12826
1854         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1855         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1856         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1857         redundant arm_exidx_test.so.
1858         * testsuite/Makefile.in: Regenerate.
1859         (check_SCRIPTS): Add pr12826.sh
1860         (check_DATA): Add pr12826.stdout
1861         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1862         * testsuite/pr12826.sh: New file.
1863         * testsuite/pr12826_1.s: Ditto.
1864         * testsuite/pr12826_1.s: Ditto.
1865
1866 2011-05-30  Ian Lance Taylor  <iant@google.com>
1867
1868         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1869         sections.
1870
1871 2011-05-29  Ian Lance Taylor  <iant@google.com>
1872
1873         PR gold/12804
1874         * testsuite/Makefile.am: Use different file name for two_file_test
1875         temporary file for each incremental test.
1876         * testsuite/Makefile.in: Rebuild.
1877
1878 2011-05-29  Ian Lance Taylor  <iant@google.com>
1879
1880         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1881         binary input file is empty.
1882
1883 2011-05-27  Ian Lance Taylor  <iant@google.com>
1884
1885         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1886         (ver_test_9.so): Likewise.
1887         * testsuite/Makefile.in: Rebuild.
1888
1889 2011-05-26 Cary Coutant  <ccoutant@google.com>
1890
1891         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1892         * incremental.cc (Incremental_inputs::report_input_section): Fix
1893         comment, indentation.
1894         (Incremental_inputs::report_comdat_group): New function.
1895         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1896         of data for incremental input file entry.
1897         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1898         group count, COMDAT group signatures.
1899         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1900         an unchanged input file.
1901         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1902         Initialize new data member.
1903         (Incremental_object_entry::add_comdat_group): New function.
1904         (Incremental_object_entry::get_comdat_group_count): New function.
1905         (Incremental_object_entry::get_comdat_signature_key): New function.
1906         (Incremental_object_entry::groups_): New data member.
1907         (Incremental_inputs::report_comdat_group): New function.
1908         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1909         data for incremental input file entry.
1910         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1911         (Incremental_input_entry_reader::get_input_section): Adjust size of
1912         data for incremental input file entry.
1913         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1914         (Incremental_input_entry_reader::get_comdat_group_signature): New
1915         function.
1916         * object.cc (Sized_relobj::include_section_group): Report kept
1917         COMDAT groups for incremental links.
1918
1919 2011-05-24  David Meyer  <pdox@google.com>
1920
1921         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1922         with name parameter.  Add found_name parameter.
1923         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1924         * dirsearch.h (class Dirsearch): Update declaration.
1925
1926 2011-05-24  Ian Lance Taylor  <iant@google.com>
1927
1928         * archive.cc (Library_base::should_include_member): Pull in object
1929         from archive if it defines the entry symbol.
1930         * parameters.cc (Parameters::entry): New function.
1931         * parameters.h (class Parameters): Declare entry.
1932         * output.h (class Output_file_header): Remove entry_ field.
1933         * output.cc (Output_file_header::Output_file_header): Remove entry
1934         parameter.  Change all callers.
1935         (Output_file_header::entry): Use parameters->entry.
1936         * gold.cc (queue_middle_tasks): Likewise.
1937         * plugin.cc (Plugin_hook::run): Likewise.
1938
1939 2011-05-24 Cary Coutant  <ccoutant@google.com>
1940
1941         * gold.cc (queue_initial_tasks): Pass incremental base filename
1942         to Output_file::open_base_file; don't print error message.
1943         * incremental-dump.cc (main): Adjust call to
1944         Output_file::open_for_modification.
1945         * incremental-dump.cc (main): Likewise.
1946         * incremental.cc (Incremental_inputs::report_command_line):
1947         Ignore --incremental-base option when comparing command lines.
1948         Ignore parameter when given as separate argument.
1949         * options.h (class General_options): Add --incremental-base.
1950         * output.cc (Output_file::Output_file):
1951         (Output_file::open_base_file): Add base_name and writable parameters;
1952         read base file into new file; print error message here.
1953         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1954         callers.
1955         * output.h (Output_file::open_for_modification): Rename to...
1956         (Output_file::open_base_file): ...this; add base_name and
1957         writable parameters; adjust all callers.
1958         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1959         callers.
1960         * testsuite/Makefile.am (incremental_test_4): Test
1961         --incremental-base.
1962         * testsuite/Makefile.in: Regenerate.
1963
1964 2011-05-24 Cary Coutant  <ccoutant@google.com>
1965
1966         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1967         incremental_test_4.
1968         * testsuite/Makefile.in: Regenerate.
1969         * testsuite/two_file_test_1_v1.cc: New test source file.
1970         * testsuite/two_file_test_1b_v1.cc: New test source file.
1971         * testsuite/two_file_test_2_v1.cc: New test source file.
1972
1973 2011-05-24 Cary Coutant  <ccoutant@google.com>
1974
1975         * dynobj.h (Dynobj::do_dynobj): New function.
1976         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1977         flag and soname for shared objects.
1978         * incremental.cc (Incremental_inputs::report_object): Make
1979         either Incremental_object_entry or Incremental_dynobj_entry; add
1980         soname to string table.
1981         (Incremental_inputs::report_input_section): Add assertion.
1982         (Output_section_incremental_inputs::set_final_data_size): Adjust
1983         type of input file entry for shared libraries; adjust size of
1984         shared library info entry.
1985         (Output_section_incremental_inputs::write_input_files): Write
1986         as_needed flag for shared libraries.
1987         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1988         of input file entry for shared libraries; write soname.
1989         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1990         soname from incremental info.
1991         * incremental.h (enum Incremental_input_flags): Add
1992         INCREMENTAL_INPUT_AS_NEEDED.
1993         (Incremental_input_entry::Incremental_input_entry): Initialize new
1994         data member.
1995         (Incremental_input_entry::set_as_needed): New function.
1996         (Incremental_input_entry::as_needed): New function.
1997         (Incremental_input_entry::do_dynobj_entry): New function.
1998         (Incremental_input_entry::as_needed_): New data member.
1999         (Incremental_object_entry::Incremental_object_entry): Don't check
2000         for shared library.
2001         (Incremental_object_entry::do_type): Likewise.
2002         (class Incremental_dynobj_entry): New class.
2003         (Incremental_input_entry_reader::as_needed): New function.
2004         (Incremental_input_entry_reader::get_soname): New function.
2005         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2006         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2007         size of shared library info entry.
2008         * layout.cc (Layout::finish_dynamic_section): Don't test for
2009         incremental link when adding DT_NEEDED entries.
2010         * object.h (Object::Object): Initialize new data member.
2011         (Object::dynobj): New function.
2012         (Object::set_as_needed): New function.
2013         (Object::as_needed): New function.
2014         (Object::do_dynobj): New function.
2015         (Object::as_needed_): New data member.
2016
2017 2011-05-24 Cary Coutant  <ccoutant@google.com>
2018
2019         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2020         info; adjust display of GOT entries.
2021         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2022         vector of input objects; remove file_status_.
2023         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2024         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2025         got_plt reader; call target hooks to reserve GOT entries.
2026         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2027         of input file info header and GOT info entry.
2028         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2029         relocation info.
2030         (Got_plt_view_info::got_descriptor): Remove.
2031         (Got_plt_view_info::sym_index): New data member.
2032         (Got_plt_view_info::input_index): New data member.
2033         (Local_got_offset_visitor::visit): Write input file index.
2034         (Global_got_offset_visitor::visit): Write 0 for input file index.
2035         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2036         with sym_index and input_index.
2037         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2038         incremental info GOT entry; replace got_descriptor with input_index.
2039         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2040         map from input file index to object.
2041         (Sized_relobj_incr::do_layout): Replace direct data member reference
2042         with accessor function.
2043         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2044         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2045         Adjust size of input file info header.
2046         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2047         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2048         (Incremental_input_entry_reader::get_input_section): Adjust size of
2049         input file info header.
2050         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2051         of incremental info GOT entry.
2052         (Incremental_got_plt_reader::get_got_desc): Remove.
2053         (Incremental_got_plt_reader::get_got_symndx): New function.
2054         (Incremental_got_plt_reader::get_got_input_index): New function.
2055         (Sized_incremental_binary::Sized_incremental_binary): Remove
2056         file_status_; add input_objects_.
2057         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2058         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2059         (Sized_incremental_binary::file_is_unchanged): Remove.
2060         (Sized_incremental_binary::set_input_object): New function.
2061         (Sized_incremental_binary::input_object): New function.
2062         (Sized_incremental_binary::file_status_): Remove.
2063         (Sized_incremental_binary::input_objects_): New data member.
2064         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2065         references.
2066         (Sized_relobj_incr::invalid_address): Move to base class.
2067         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2068         class.
2069         (Sized_relobj_incr::do_output_section_offset): Likewise.
2070         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2071         (Sized_relobj_incr::section_offsets_): Likewise.
2072         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2073         function.
2074         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2075         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2076         with accessor function.
2077         (Sized_relobj_file::do_layout): Likewise.
2078         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2079         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2080         (Sized_relobj_file::compute_final_local_value): Replace refs to
2081         section_offsets_ with accessor function.
2082         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2083         * object.h (Relobj::Relobj): Initialize new data members.
2084         (Relobj::add_dyn_reloc): New function.
2085         (Relobj::first_dyn_reloc): New function.
2086         (Relobj::dyn_reloc_count): New function.
2087         (Relobj::first_dyn_reloc_): New data member.
2088         (Relobj::dyn_reloc_count_): New data member.
2089         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2090         references.
2091         (Sized_relobj::Address): New typedef.
2092         (Sized_relobj::invalid_address): Move here from child class.
2093         (Sized_relobj::Sized_relobj): Initialize new data members.
2094         (Sized_relobj::sized_relobj): New function.
2095         (Sized_relobj::is_output_section_offset_invalid): Move here from
2096         child class.
2097         (Sized_relobj::get_output_section_offset): Likewise.
2098         (Sized_relobj::local_has_got_offset): Likewise.
2099         (Sized_relobj::local_got_offset): Likewise.
2100         (Sized_relobj::set_local_got_offset): Likewise.
2101         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2102         (Sized_relobj::clear_got_offsets): New function.
2103         (Sized_relobj::section_offsets): Move here from child class.
2104         (Sized_relobj::do_output_section_offset): Likewise.
2105         (Sized_relobj::do_set_section_offset): Likewise.
2106         (Sized_relobj::Local_got_offsets): Likewise.
2107         (Sized_relobj::local_got_offsets_): Likewise.
2108         (Sized_relobj::section_offsets_): Likewise.
2109         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2110         references.
2111         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2112         class.
2113         (Sized_relobj_file::sized_relobj): New function
2114         (Sized_relobj_file::local_has_got_offset): Move to base class.
2115         (Sized_relobj_file::local_got_offset): Likewise.
2116         (Sized_relobj_file::set_local_got_offset): Likewise.
2117         (Sized_relobj_file::get_output_section_offset): Likewise.
2118         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2119         (Sized_relobj_file::do_output_section_offset): Likewise.
2120         (Sized_relobj_file::do_set_section_offset): Likewise.
2121         (Sized_relobj_file::Local_got_offsets): Likewise.
2122         (Sized_relobj_file::local_got_offsets_): Likewise.
2123         (Sized_relobj_file::section_offsets_): Likewise.
2124         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2125         (all constructors).
2126         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2127         (Output_reloc::get_symbol_index): Likewise.
2128         (Output_reloc::local_section_offset): Likewise.
2129         (Output_reloc::get_address): Likewise.
2130         (Output_reloc::symbol_value): Likewise.
2131         (Output_data_got::reserve_slot): Move to class definition.
2132         (Output_data_got::reserve_local): New function.
2133         (Output_data_got::reserve_slot_for_global): Remove.
2134         (Output_data_got::reserve_global): New function.
2135         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2136         (all constructors, two instantiations).
2137         (Output_reloc::get_relobj): New function (two instantiations).
2138         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2139         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2140         (Output_data_reloc::add_global): Adjust type of relobj.
2141         (Output_data_reloc::add_global_relative): Likewise.
2142         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2143         (Output_data_reloc::add_local): Likewise.
2144         (Output_data_reloc::add_local_relative): Likewise.
2145         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2146         (Output_data_reloc::add_local_section): Likewise.
2147         (Output_data_reloc::add_output_section): Likewise.
2148         (Output_data_reloc::add_absolute): Likewise.
2149         (Output_data_reloc::add_target_specific): Likewise.
2150         (Output_data_got::reserve_slot): Move definition here.
2151         (Output_data_got::reserve_local): New function.
2152         (Output_data_got::reserve_global): New function.
2153         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2154         section_offsets_ with accessor function.
2155         (Sized_relobj_file::write_sections): Likewise.
2156         (Sized_relobj_file::do_relocate_sections): Likewise.
2157         * target.h (Sized_target::reserve_local_got_entry): New function.
2158         (Sized_target::reserve_global_got_entry): New function.
2159         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2160         (Target_x86_64::reserve_global_got_entry): New function.
2161         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2162
2163 2011-05-23 Cary Coutant  <ccoutant@google.com>
2164
2165         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2166         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2167         bit when checking got_type.
2168         * incremental.cc (Sized_incremental_binary::setup_readers):
2169         Store symbol table and string table locations; initialize bit vector
2170         of file status flags.
2171         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2172         unchanged files.
2173         (Sized_incremental_binary::do_process_got_plt): New function.
2174         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2175         (Output_section_incremental_inputs::set_final_data_size): Record
2176         file index for each input file.
2177         (Output_section_incremental_inputs::write_got_plt): Store file index
2178         instead of input entry offset for each GOT entry.
2179         * incremental.h
2180         (Incremental_input_entry::Incremental_input_entry): Initialize new
2181         data member.
2182         (Incremental_input_entry::set_offset): Store file index.
2183         (Incremental_input_entry::get_file_index): New function.
2184         (Incremental_input_entry::file_index_): New data member.
2185         (Incremental_binary::process_got_plt): New function.
2186         (Incremental_binary::do_process_got_plt): New function.
2187         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2188         data members.
2189         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2190         (Sized_incremental_binary::set_file_is_unchanged): New function.
2191         (Sized_incremental_binary::file_is_unchanged): New function.
2192         (Sized_incremental_binary::do_process_got_plt): New function.
2193         (Sized_incremental_binary::file_status_): New data member.
2194         (Sized_incremental_binary::main_symtab_loc_): New data member.
2195         (Sized_incremental_binary::main_strtab_loc_): New data member.
2196         * output.cc (Output_data_got::Got_entry::write): Add case
2197         RESERVED_CODE.
2198         (Output_data_got::add_global): Call add_got_entry.
2199         (Output_data_got::add_global_plt): Likewise.
2200         (Output_data_got::add_global_with_rel): Likewise.
2201         (Output_data_got::add_global_with_rela): Likewise.
2202         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2203         (Output_data_got::add_global_pair_with_rela): Likewise.
2204         (Output_data_got::add_local): Call add_got_entry.
2205         (Output_data_got::add_local_plt): Likewise.
2206         (Output_data_got::add_local_with_rel): Likewise.
2207         (Output_data_got::add_local_with_rela): Likewise.
2208         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2209         (Output_data_got::add_local_pair_with_rela): Likewise.
2210         (Output_data_got::reserve_slot): New function.
2211         (Output_data_got::reserve_slot_for_global): New function.
2212         (Output_data_got::add_got_entry): New function.
2213         (Output_data_got::add_got_entry_pair): New function.
2214         (Output_section::add_output_section_data): Edit FIXME.
2215         * output.h
2216         (Output_section_data_build::Output_section_data_build): New
2217         constructor with size parameter.
2218         (Output_data_space::Output_data_space): Likewise.
2219         (Output_data_got::Output_data_got): Initialize new data member; new
2220         constructor with size parameter.
2221         (Output_data_got::add_constant): Call add_got_entry.
2222         (Output_data_got::reserve_slot): New function.
2223         (Output_data_got::reserve_slot_for_global): New function.
2224         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2225         (Output_data_got::add_got_entry): New function.
2226         (Output_data_got::add_got_entry_pair): New function.
2227         (Output_data_got::free_list_): New data member.
2228         * target.h (Sized_target::init_got_plt_for_update): New function.
2229         (Sized_target::register_global_plt_entry): New function.
2230         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2231         Initialize new data member; call init; add constructor with PLT count.
2232         (Output_data_plt_x86_64::init): New function.
2233         (Output_data_plt_x86_64::add_relocation): New function.
2234         (Output_data_plt_x86_64::reserve_slot): New function.
2235         (Output_data_plt_x86_64::free_list_): New data member.
2236         (Target_x86_64::init_got_plt_for_update): New function.
2237         (Target_x86_64::register_global_plt_entry): New function.
2238         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2239         incremental updates.
2240         (Output_data_plt_x86_64::add_relocation): New function.
2241         * testsuite/object_unittest.cc (Object_test): Set default options.
2242
2243 2011-05-16  Ian Lance Taylor  <iant@google.com>
2244
2245         * options.h (class General_options): Make -i a synonym for -r.
2246
2247 2011-05-16  Ian Lance Taylor  <iant@google.com>
2248
2249         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2250
2251 2011-05-10 Cary Coutant  <ccoutant@google.com>
2252
2253         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2254         strip_all (-s).
2255
2256 2011-05-06  Ian Lance Taylor  <iant@google.com>
2257
2258         * layout.cc (Layout::layout): If the output section flags change,
2259         update the ordering.
2260
2261 2011-04-25 Cary Coutant  <ccoutant@google.com>
2262
2263         * incremental-dump.cc (dump_incremental_inputs): Print local
2264         symbol info for each input file.
2265         * incremental.cc
2266         (Output_section_incremental_inputs::set_final_data_size): Add local
2267         symbol info to input file entries in incremental info.
2268         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2269         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2270         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2271         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2272         implementation.
2273         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2274         (Sized_incr_relobj::do_relocate): Write the local symbols.
2275         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2276         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2277         Adjust size of input file header.
2278         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2279         (Incremental_inputs_reader::get_local_symbol_count): New function.
2280         (Incremental_inputs_reader::get_input_section): Adjust size of input
2281         file header.
2282         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2283         (Sized_incr_relobj::This): New typedef.
2284         (Sized_incr_relobj::sym_size): New const data member.
2285         (Sized_incr_relobj::Local_symbol): New struct.
2286         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2287         (Sized_incr_relobj::do_local_symbol_offset): New function.
2288         (Sized_incr_relobj::local_symbol_count_): New data member.
2289         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2290         (Sized_incr_relobj::local_symbol_index_): New data member.
2291         (Sized_incr_relobj::local_symbol_offset_): New data member.
2292         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2293         (Sized_incr_relobj::local_symbols_): New data member.
2294         * object.h (Relobj::output_local_symbol_count): New function.
2295         (Relobj::local_symbol_offset): New function.
2296         (Relobj::do_output_local_symbol_count): New function.
2297         (Relobj::do_local_symbol_offset): New function.
2298         (Sized_relobj::do_output_local_symbol_count): New function.
2299         (Sized_relobj::do_local_symbol_offset): New function.
2300
2301 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2302
2303         * descriptors.cc (set_close_on_exec): New function.
2304         (Descriptors::open): Use set_close_on_exec.
2305         * output.cc (S_ISLNK): Define if not defined.
2306
2307 2011-04-22 Cary Coutant  <ccoutant@google.com>
2308
2309         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2310         global symbol map.
2311         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2312         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2313         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2314         relocations.
2315         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2316         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2317         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2318         * incremental.h
2319         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2320         function.
2321         (Incremental_binary::apply_incremental_relocs): New function.
2322         (Incremental_binary::do_apply_incremental_relocs): New function.
2323         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2324         data member.
2325         (Sized_incremental_binary::add_global_symbol): New function.
2326         (Sized_incremental_binary::global_symbol): New function.
2327         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2328         (Sized_incremental_binary::symbol_map_): New data member.
2329         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2330         * target.h (Sized_target::apply_relocation): New function.
2331         * target-reloc.h (apply_relocation): New function.
2332         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2333
2334 2011-04-22  Doug Kwan  <dougkwan@google.com>
2335
2336         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2337         flag of a SHT_ARM_EXIDX section.
2338         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2339         * testsuite/Makefile.in: Regenerate.
2340         * testsuite/arm_exidx_test.s: New file.
2341         * testsuite/arm_exidx_test.sh: Same.
2342
2343 2011-04-20 Cary Coutant  <ccoutant@google.com>
2344
2345         PR gold/12689
2346         * archive.h (Incremental_archive_entry::Archive_member):
2347         Initialize arg_serial_ (second constructor).
2348
2349 2011-04-17  Ian Lance Taylor  <iant@google.com>
2350
2351         * object.cc (Relocate_info::location): Simplify location string.
2352         * errors.cc (Errors::error_at_location): Don't print program
2353         name.
2354         (Errors::warning_at_location): Likewise.
2355         (Errors::undefined_symbol): Likewise.
2356         * testsuite/debug_msg.sh: Update accordingly.
2357
2358 2011-04-14 Cary Coutant  <ccoutant@google.com>
2359
2360         * gold/layout.cc (Layout::symtab_section_offset): New function.
2361         * gold/layout.h (Layout::symtab_section_offset): New function.
2362         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2363
2364 2011-04-12  Ian Lance Taylor  <iant@google.com>
2365
2366         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2367         with MREMAP_MAYMOVE.
2368         * output.h (class Output_file): Add map_is_allocated_ field.
2369         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2370         not available, provide stubs.  If mremap is not available, #define
2371         it to gold_mremap.
2372         (MREMAP_MAYMOVE): Define if not defined.
2373         (Output_file::Output_file): Initialize map_is_allocated_.
2374         (Output_file::resize): Check map_is_allocated_.
2375         (Output_file::map_anonymous): If mmap fails, use malloc.
2376         (Output_file::unmap): Don't do anything for an anonymous map.
2377         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2378         is not available, provide stubs.
2379         (File_read::View::~View): Use free rather than delete[].
2380         (File_read::make_view): Use malloc rather than new[].  If mmap
2381         fails, use malloc.
2382         (File_read::find_or_make_view): Use malloc rather than new[].
2383         * gold.h: Remove HAVE_REMAP code.
2384         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2385         exists.  Rename mremap to gold_mremap.  If mmap is not available
2386         don't do anything.
2387         * configure, config.in: Rebuild.
2388
2389 2011-04-11  Ian Lance Taylor  <iant@google.com>
2390
2391         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2392         initialize local variable v.
2393
2394 2011-04-11  Cary Coutant  <ccoutant@google.com>
2395
2396         * archive.cc (Archive::include_member): Adjust call to
2397         report_object.
2398         (Add_archive_symbols::run): Track argument serial numbers.
2399         (Lib_group::include_member): Likewise.
2400         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2401         * archive.h (Incremental_archive_entry::Archive_member):
2402         Initialize arg_serial_.
2403         (Archive_member::arg_serial_): New data member.
2404         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2405         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2406         incremental link.
2407         (Sized_dynobj::do_for_all_local_got_entries): New function.
2408         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2409         function.
2410         * fileread.cc (get_mtime): New function.
2411         * fileread.h (get_mtime): New function.
2412         * gold.cc (queue_initial_tasks): Check for incremental update.
2413         (process_incremental_input): New function.
2414         (queue_middle_tasks): Don't force valid target for incremental
2415         update.
2416         * incremental-dump.cc (find_input_containing_global): Adjust
2417         size of symbol info entry.
2418         (dump_incremental_inputs): Dump argument serial number and
2419         in_system_directory flag; bias shndx by 1; print symbol names
2420         when dumping per-file symbol lists; use new symbol info readers.
2421         * incremental.cc
2422         (Output_section_incremental_inputs:update_data_size): New function.
2423         (Sized_incremental_binary::setup_readers): Setup input readers
2424         for each input file; build maps for files added from libraries
2425         and scripts.
2426         (Sized_incremental_binary::check_input_args): New function.
2427         (Sized_incremental_binary::do_check_inputs): Build map of argument
2428         serial numbers to input arguments.
2429         (Sized_incremental_binary::do_file_has_changed): Rename
2430         do_file_is_unchanged to this; compare file modification times.
2431         (Sized_incremental_binary::do_init_layout): New function.
2432         (Sized_incremental_binary::do_reserve_layout): New function.
2433         (Sized_incremental_binary::do_get_input_reader): Remove.
2434         (Sized_incremental_binary::get_symtab_view): New function.
2435         (Incremental_checker::can_incrementally_link_output_file): Remove.
2436         (Incremental_inputs::report_command_line): Exclude --debug options.
2437         (Incremental_inputs::report_archive_begin): Add parameter; track
2438         argument serial numbers; don't put input file entry for archive
2439         before archive members.
2440         (Incremental_inputs::report_archive_end): Put input file entry
2441         for archive after archive members.
2442         (Incremental_inputs::report_object): Add parameter; track argument
2443         serial numbers and in_system_directory flag.
2444         (Incremental_inputs::report_script): Add parameter; track argument
2445         serial numbers.
2446         (Output_section_incremental_inputs::set_final_data_size): Adjust
2447         size of symbol info entry; check for forwarding symbols.
2448         (Output_section_incremental_inputs::write_input_files): Write
2449         in_system_directory flag and argument serial number.
2450         (Output_section_incremental_inputs::write_info_blocks): Map section
2451         indices between incremental info and original input file; store
2452         input section index for each symbol.
2453         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2454         change operator() to visit().
2455         (class Global_got_offset_visitor): Likewise.
2456         (class Global_symbol_visitor_got_plt):
2457         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2458         classes.
2459         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2460         (Sized_incr_relobj::do_read_symbols): New function.
2461         (Sized_incr_relobj::do_layout): New function.
2462         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2463         (Sized_incr_relobj::do_add_symbols): New function.
2464         (Sized_incr_relobj::do_should_include_member): New function.
2465         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2466         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2467         (Sized_incr_relobj::do_section_size): New function.
2468         (Sized_incr_relobj::do_section_name): New function.
2469         (Sized_incr_relobj::do_section_contents): New function.
2470         (Sized_incr_relobj::do_section_flags): New function.
2471         (Sized_incr_relobj::do_section_entsize): New function.
2472         (Sized_incr_relobj::do_section_address): New function.
2473         (Sized_incr_relobj::do_section_type): New function.
2474         (Sized_incr_relobj::do_section_link): New function.
2475         (Sized_incr_relobj::do_section_info): New function.
2476         (Sized_incr_relobj::do_section_addralign): New function.
2477         (Sized_incr_relobj::do_initialize_xindex): New function.
2478         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2479         (Sized_incr_relobj::do_read_relocs): New function.
2480         (Sized_incr_relobj::do_gc_process_relocs): New function.
2481         (Sized_incr_relobj::do_scan_relocs): New function.
2482         (Sized_incr_relobj::do_count_local_symbols): New function.
2483         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2484         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2485         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2486         (Sized_incr_relobj::do_relocate): New function.
2487         (Sized_incr_relobj::do_set_section_offset): New function.
2488         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2489         (Sized_incr_dynobj::do_read_symbols): New function.
2490         (Sized_incr_dynobj::do_layout): New function.
2491         (Sized_incr_dynobj::do_add_symbols): New function.
2492         (Sized_incr_dynobj::do_should_include_member): New function.
2493         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2494         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2495         (Sized_incr_dynobj::do_section_size): New function.
2496         (Sized_incr_dynobj::do_section_name): New function.
2497         (Sized_incr_dynobj::do_section_contents): New function.
2498         (Sized_incr_dynobj::do_section_flags): New function.
2499         (Sized_incr_dynobj::do_section_entsize): New function.
2500         (Sized_incr_dynobj::do_section_address): New function.
2501         (Sized_incr_dynobj::do_section_type): New function.
2502         (Sized_incr_dynobj::do_section_link): New function.
2503         (Sized_incr_dynobj::do_section_info): New function.
2504         (Sized_incr_dynobj::do_section_addralign): New function.
2505         (Sized_incr_dynobj::do_initialize_xindex): New function.
2506         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2507         (make_sized_incremental_object): New function.
2508         (Incremental_library::copy_unused_symbols): New function.
2509         (Incremental_library::do_for_all_unused_symbols): New function.
2510         * incremental.h (enum Incremental_input_flags): New type.
2511         (class Incremental_checker): Remove.
2512         (Incremental_input_entry::Incremental_input_entry): Add argument
2513         serial number.
2514         (Incremental_input_entry::arg_serial): New function.
2515         (Incremental_input_entry::set_is_in_system_directory): New function.
2516         (Incremental_input_entry::is_in_system_directory): New function.
2517         (Incremental_input_entry::arg_serial_): New data member.
2518         (Incremental_input_entry::is_in_system_directory_): New data member.
2519         (class Script_info): Move here from script.h.
2520         (Script_info::Script_info): Add filename parameter.
2521         (Script_info::filename): New function.
2522         (Script_info::filename_): New data member.
2523         (Incremental_script_entry::Incremental_script_entry): Add argument
2524         serial number.
2525         (Incremental_object_entry::Incremental_object_entry): Likewise.
2526         (Incremental_object_entry::add_input_section): Build list of input
2527         sections with map to original shndx.
2528         (Incremental_object_entry::get_input_section_index): New function.
2529         (Incremental_object_entry::shndx_): New data member.
2530         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2531         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2532         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2533         serial number.
2534         (Incremental_inputs::report_archive_begin): Likewise.
2535         (Incremental_inputs::report_object): Likewise.
2536         (Incremental_inputs::report_script): Likewise.
2537         (class Incremental_global_symbol_reader): New class.
2538         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2539         and store flags and input file type.
2540         (Incremental_input_entry_reader::arg_serial): New function.
2541         (Incremental_input_entry_reader::type): Extract type from flags.
2542         (Incremental_input_entry_reader::is_in_system_directory): New function.
2543         (Incremental_input_entry_reader::get_input_section_count): Call
2544         accessor function for type.
2545         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2546         function for type; adjust size of global symbol entry.
2547         (Incremental_input_entry_reader::get_global_symbol_count): Call
2548         accessor function for type.
2549         (Incremental_input_entry_reader::get_object_count): Likewise.
2550         (Incremental_input_entry_reader::get_object_offset): Likewise.
2551         (Incremental_input_entry_reader::get_member_count): Likewise.
2552         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2553         (Incremental_input_entry_reader::get_member_offset): Likewise.
2554         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2555         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2556         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2557         (Incremental_input_entry_reader::get_global_symbol_reader): New
2558         function.
2559         (Incremental_input_entry_reader::get_output_symbol_index): New
2560         function.
2561         (Incremental_input_entry_reader::type_): Remove.
2562         (Incremental_input_entry_reader::flags_): New data member.
2563         (Incremental_inputs_reader::input_file_offset): New function.
2564         (Incremental_inputs_reader::input_file_index): New function.
2565         (Incremental_inputs_reader::input_file): Call input_file_offset.
2566         (Incremental_inputs_reader::input_file_at_offset): New function.
2567         (Incremental_relocs_reader::get_r_type): Reformat.
2568         (Incremental_relocs_reader::get_r_shndx): Reformat.
2569         (Incremental_relocs_reader::get_r_offset): Reformat.
2570         (Incremental_relocs_reader::data): New function.
2571         (Incremental_binary::Incremental_binary): Initialize new data members.
2572         (Incremental_binary::check_inputs): Add cmdline parameter.
2573         (Incremental_binary::file_is_unchanged): Remove.
2574         (Input_reader::arg_serial): New function.
2575         (Input_reader::get_unused_symbol_count): New function.
2576         (Input_reader::get_unused_symbol): New function.
2577         (Input_reader::do_arg_serial): New function.
2578         (Input_reader::do_get_unused_symbol_count): New function.
2579         (Input_reader::do_get_unused_symbol): New function.
2580         (Incremental_binary::input_file_count): New function.
2581         (Incremental_binary::get_input_reader): Change signature to use
2582         index instead of filename.
2583         (Incremental_binary::file_has_changed): New function.
2584         (Incremental_binary::get_input_argument): New function.
2585         (Incremental_binary::get_library): New function.
2586         (Incremental_binary::get_script_info): New function.
2587         (Incremental_binary::init_layout): New function.
2588         (Incremental_binary::reserve_layout): New function.
2589         (Incremental_binary::output_file): New function.
2590         (Incremental_binary::do_check_inputs): New function.
2591         (Incremental_binary::do_file_is_unchanged): Remove.
2592         (Incremental_binary::do_file_has_changed): New function.
2593         (Incremental_binary::do_init_layout): New function.
2594         (Incremental_binary::do_reserve_layout): New function.
2595         (Incremental_binary::do_input_file_count): New function.
2596         (Incremental_binary::do_get_input_reader): Change signature.
2597         (Incremental_binary::input_args_map_): New data member.
2598         (Incremental_binary::library_map_): New data member.
2599         (Incremental_binary::script_map_): New data member.
2600         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2601         new data members.
2602         (Sized_incremental_binary::output_section): New function.
2603         (Sized_incremental_binary::inputs_reader): Add const.
2604         (Sized_incremental_binary::symtab_reader): Add const.
2605         (Sized_incremental_binary::relocs_reader): Add const.
2606         (Sized_incremental_binary::got_plt_reader): Add const.
2607         (Sized_incremental_binary::get_symtab_view): New function.
2608         (Sized_incremental_binary::Inputs_reader): New typedef.
2609         (Sized_incremental_binary::Input_entry_reader): New typedef.
2610         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2611         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2612         (Sized_incremental_binary::do_file_has_changed): New function.
2613         (Sized_incremental_binary::do_init_layout): New function.
2614         (Sized_incremental_binary::do_reserve_layout): New function.
2615         (Sized_input_reader::Inputs_reader): Remove.
2616         (Sized_input_reader::Input_entry_reader): Remove.
2617         (Sized_input_reader::do_arg_serial): New function.
2618         (Sized_input_reader::do_get_unused_symbol_count): New function.
2619         (Sized_input_reader::do_get_unused_symbol): New function.
2620         (Sized_incremental_binary::do_input_file_count): New function.
2621         (Sized_incremental_binary::do_get_input_reader): Change signature;
2622         use index instead of filename.
2623         (Sized_incremental_binary::section_map_): New data member.
2624         (Sized_incremental_binary::input_entry_readers_): New data member.
2625         (class Sized_incr_relobj): New class.
2626         (class Sized_incr_dynobj): New class.
2627         (make_sized_incremental_object): New function.
2628         (class Incremental_library): New class.
2629         * layout.cc (Free_list::num_lists): New static data member.
2630         (Free_list::num_nodes): New static data member.
2631         (Free_list::num_removes): New static data member.
2632         (Free_list::num_remove_visits): New static data member.
2633         (Free_list::num_allocates): New static data member.
2634         (Free_list::num_allocate_visits): New static data member.
2635         (Free_list::init): New function.
2636         (Free_list::remove): New function.
2637         (Free_list::allocate): New function.
2638         (Free_list::dump): New function.
2639         (Free_list::print_stats): New function.
2640         (Layout_task_runner::run): Resize output file for incremental updates.
2641         (Layout::Layout): Initialize new data members.
2642         (Layout::set_incremental_base): New function.
2643         (Layout::init_fixed_output_section): New function.
2644         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2645         incremental updates.
2646         (Layout::create_gold_note): Do not create gold note section for
2647         incremental updates.
2648         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2649         for incremental updates.
2650         (Layout::set_section_offsets): For incremental updates, allocate space
2651         from free list.
2652         (Layout::create_symtab_sections): Layout with offsets relative to
2653         start of section; for incremental updates, allocate space from free
2654         list.
2655         (Layout::create_shdrs): For incremental updates, allocate space from
2656         free list.
2657         (Layout::finish_dynamic_section): For incremental updates, do not
2658         check --as-needed (fixed in subsequent patch).
2659         * layout.h (class Free_list): New class.
2660         (Layout::set_incremental_base): New function.
2661         (Layout::incremental_base): New function.
2662         (Layout::init_fixed_output_section): New function.
2663         (Layout::allocate): New function.
2664         (Layout::incremental_base_): New data member.
2665         (Layout::free_list_): New data member.
2666         * main.cc (main): Print Free_list statistics.
2667         * object.cc (Relobj::finalize_incremental_relocs): Add
2668         clear_counts parameter; clear counts only when clear_counts is set.
2669         (Sized_relobj::Sized_relobj): Initialize new base class.
2670         (Sized_relobj::do_layout): Don't report special sections.
2671         (Sized_relobj::do_for_all_local_got_entries): New function.
2672         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2673         symtab_off to all symbol table offsets.
2674         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2675         * object.h (class Got_offset_list): Move to top of file.
2676         (Object::Object): Allow case where input_file == NULL.
2677         (Object::~Object): Likewise.
2678         (Object::input_file): Assert that input_file != NULL.
2679         (Object::lock): Allow case where input_file == NULL.
2680         (Object::unlock): Likewise.
2681         (Object::is_locked): Likewise.
2682         (Object::token): Likewise.
2683         (Object::release): Likewise.
2684         (Object::is_incremental): New function.
2685         (Object::get_mtime): New function.
2686         (Object::for_all_local_got_entries): New function.
2687         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2688         (Object::set_is_in_system_directory): New function.
2689         (Object::is_in_system_directory): New function.
2690         (Object::do_is_incremental): New function.
2691         (Object::do_get_mtime): New function.
2692         (Object::do_for_all_local_got_entries): New function.
2693         (Object::is_in_system_directory_): New data member.
2694         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2695         (class Sized_relobj_base): New class.
2696         (class Sized_relobj): Derive from Sized_relobj_base.
2697         (class Sized_relobj::Symbols): Redeclare from base class.
2698         (class Sized_relobj::local_got_offset_list): Remove.
2699         (class Sized_relobj::Output_sections): Redeclare from base class.
2700         (class Sized_relobj::do_for_all_local_got_entries): New function.
2701         (class Sized_relobj::write_local_symbols): Add offset parameter.
2702         (class Sized_relobj::local_symbol_offset_): Update comment.
2703         (class Sized_relobj::local_dynsym_offset_): Update comment.
2704         * options.cc (Input_arguments::add_file): Remove const.
2705         * options.h (Input_file_argument::Input_file_argument):
2706         Initialize arg_serial_ (all constructors).
2707         (Input_file_argument::set_arg_serial): New function.
2708         (Input_file_argument::arg_serial): New function.
2709         (Input_file_argument::arg_serial_): New data member.
2710         (Input_arguments::Input_arguments): Initialize file_count_.
2711         (Input_arguments::add_file): Remove const.
2712         (Input_arguments::number_of_input_files): New function.
2713         (Input_arguments::file_count_): New data member.
2714         (Command_line::number_of_input_files): Call
2715         Input_arguments::number_of_input_files.
2716         * output.cc (Output_segment_headers::Output_segment_headers):
2717         Set current size.
2718         (Output_section::Input_section::current_data_size): New function.
2719         (Output_section::Output_section): Initialize new data members.
2720         (Output_section::add_input_section): Don't do merge sections for
2721         an incremental link; allocate space from free list for an
2722         incremental update.
2723         (Output_section::add_output_section_data): Allocate space from
2724         free list for an incremental update.
2725         (Output_section::update_data_size): New function.
2726         (Output_section::set_fixed_layout): New function.
2727         (Output_section::reserve): New function.
2728         (Output_segment::set_section_addresses): Remove const.
2729         (Output_segment::set_section_list_addresses): Remove const; allocate
2730         space from free list for an incremental update.
2731         (Output_segment::set_offset): Adjust size of RELRO segment for an
2732         incremental update.
2733         * output.h (Output_data::current_data_size): Move here from
2734         child classes.
2735         (Output_data::pre_finalize_data_size): New function.
2736         (Output_data::update_data_size): New function.
2737         (Output_section_headers::update_data_size): new function.
2738         (Output_section_data_build::current_data_size): Move to Output_data.
2739         (Output_data_strtab::update_data_size): New function.
2740         (Output_section::current_data_size): Move to Output_data.
2741         (Output_section::set_fixed_layout): New function.
2742         (Output_section::has_fixed_layout): New function.
2743         (Output_section::reserve): New function.
2744         (Output_section::update_data_size): New function.
2745         (Output_section::has_fixed_layout_): New data member.
2746         (Output_section::free_list_): New data member.
2747         (Output_segment::set_section_addresses): Remove const.
2748         (Output_segment::set_section_list_addresses): Remove const.
2749         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2750         New function.
2751         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2752         New function.
2753         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2754         parameter when calling Add_symbols constructor; store argument
2755         serial number for members of a lib group.
2756         (Add_symbols::locks): Allow case where token == NULL.
2757         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2758         (Read_member::~Read_member): New function.
2759         (Read_member::is_runnable): New function.
2760         (Read_member::locks): New function.
2761         (Read_member::run): New function.
2762         (Check_script::~Check_script): New function.
2763         (Check_script::is_runnable): New function.
2764         (Check_script::locks): New function.
2765         (Check_script::run): New function.
2766         (Check_library::~Check_library): New function.
2767         (Check_library::is_runnable): New function.
2768         (Check_library::locks): New function.
2769         (Check_library::run): New function.
2770         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2771         (Add_symbols::library_): New data member.
2772         (class Read_member): New class.
2773         (class Check_script): New class.
2774         (class Check_library): New class.
2775         * reloc.cc (Read_relocs::is_runnable): Allow case where
2776         token == NULL.
2777         (Read_relocs::locks): Likewise.
2778         (Scan_relocs::locks): Likewise.
2779         (Relocate_task::locks): Likewise.
2780         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2781         to clear counters.
2782         (Sized_relobj::incremental_relocs_scan): Fix comment.
2783         (Sized_relobj::do_relocate): Pass output file offset to
2784         write_local_symbols.
2785         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2786         from class declaration.
2787         * script.cc (read_input_script): Allocate Script_info; pass
2788         argument serial number to report_script.
2789         * script.h (class Script_info): Move to incremental.h.
2790         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2791         * symtab.h (Symbol_table::add_from_incrobj): New function.
2792         (Symbol_table::set_file_offset): New function.
2793
2794 2011-04-05  Cary Coutant  <ccoutant@google.com>
2795
2796         * incremental-dump.cc (dump_incremental_inputs): Change signature
2797         to take a Sized_incremental_binary; change caller.  Use readers
2798         in Sized_incremental_binary.
2799         * incremental.cc
2800         (Sized_incremental_binary::find_incremental_inputs_sections):
2801         Rename do_find_incremental_inputs_sections to this.
2802         (Sized_incremental_binary::setup_readers): New function.
2803         (Sized_incremental_binary::do_check_inputs): Check
2804         has_incremental_info_ flag; move setup code to setup_readers;
2805         use input readers.
2806         (Sized_incremental_binary::do_file_is_unchanged): New function.
2807         (Sized_incremental_binary::do_get_input_reader): New function.
2808         * incremental.h (class Incremental_binary): Move to end of file.
2809         (Incremental_binary::file_is_unchanged): New function.
2810         (Incremental_binary::do_file_is_unchanged): New function.
2811         (Incremental_binary::Input_reader): New class.
2812         (Incremental_binary::get_input_reader): New function.
2813         (class Sized_incremental_binary): Move to end of file.
2814         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2815         input section reader classes.
2816         (Sized_incremental_binary::has_incremental_info): New function.
2817         (Sized_incremental_binary::inputs_reader): New function.
2818         (Sized_incremental_binary::symtab_reader): New function.
2819         (Sized_incremental_binary::relocs_reader): New function.
2820         (Sized_incremental_binary::got_plt_reader): New function.
2821         (Sized_incremental_binary::do_file_is_unchanged): New function.
2822         (Sized_incremental_binary::Sized_input_reader): New class.
2823         (Sized_incremental_binary::get_input_reader): New function.
2824         (Sized_incremental_binary::find_incremental_inputs_sections):
2825         Rename do_find_incremental_inputs_sections to this.
2826         (Sized_incremental_binary::setup_readers): New function.
2827         (Sized_incremental_binary::has_incremental_info_): New data member.
2828         (Sized_incremental_binary::inputs_reader_): New data member.
2829         (Sized_incremental_binary::symtab_reader_): New data member.
2830         (Sized_incremental_binary::relocs_reader_): New data member.
2831         (Sized_incremental_binary::got_plt_reader_): New data member.
2832         (Sized_incremental_binary::current_input_file_): New data member.
2833
2834 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2835
2836         PR gold/12640
2837         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2838         violation.
2839
2840 2011-03-30  Cary Coutant  <ccoutant@google.com>
2841
2842         * archive.cc (Archive::include_member): Adjust call to report_object.
2843         (Add_archive_symbols::run): Add script_info to call to
2844         report_archive_begin.
2845         (Lib_group::include_member): Adjust call to report_object.
2846         (Add_lib_group_symbols::run): Adjust call to report_object.
2847         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2848         blocks.  Add object count for script input files.
2849         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2850         script_info parameter; change all callers.
2851         (Incremental_inputs::report_object): Add script_info parameter;
2852         change all callers.
2853         (Incremental_inputs::report_script): Store backpointer to
2854         incremental info entry.
2855         (Output_section_incremental_inputs::set_final_data_size): Record
2856         additional information for scripts.
2857         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2858         * incremental.h (Incremental_script_entry::add_object): New function.
2859         (Incremental_script_entry::get_object_count): New function.
2860         (Incremental_script_entry::get_object): New function.
2861         (Incremental_script_entry::objects_): New data member; adjust
2862         constructor.
2863         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2864         (Incremental_inputs::report_object): Add script_info parameter.
2865         (Incremental_inputs_reader::get_object_count): New function.
2866         (Incremental_inputs_reader::get_object_offset): New function.
2867         * options.cc (Input_arguments::add_file): Return reference to
2868         new input argument.
2869         * options.h (Input_argument::set_script_info): New function.
2870         (Input_argument::script_info): New function.
2871         (Input_argument::script_info_): New data member; adjust all
2872         constructors.
2873         (Input_file_group::add_file): Return reference to new input argument.
2874         (Input_file_lib::add_file): Likewise.
2875         (Input_arguments::add_file): Likewise.
2876         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2877         * script.cc (Parser_closure::Parser_closure): Add script_info
2878         parameter; adjust all callers.
2879         (Parser_closure::script_info): New function.
2880         (Parser_closure::script_info_): New data member.
2881         (read_input_script): Report scripts earlier to incremental info.
2882         (script_add_file): Set script_info in Input_argument.
2883         (script_add_library): Likewise.
2884         * script.h (Script_options::Script_info): Rewrite class.
2885
2886 2011-03-29  Cary Coutant  <ccoutant@google.com>
2887
2888         * archive.cc (Library_base::should_include_member): Move
2889         method here from class Archive.
2890         (Archive::Archive): Initialize base class.
2891         (Archive::should_include_member): Move to base class.
2892         (Archive::do_for_all_unused_symbols): New function.
2893         (Add_archive_symbols::run): Remove redundant access to
2894         incremental_inputs.
2895         (Lib_group::Lib_group): Initialize base class.
2896         (Lib_group::do_filename): New function.
2897         (Lib_group::include_member): Pass pointer to Lib_group to
2898         report_object.
2899         (Lib_group::do_for_all_unused_symbols): New function.
2900         (Add_lib_group_symbols::run): Report archive information for
2901         incremental links.
2902         * archive.h (class Library_base): New base class.
2903         (class Archive): Derive from Library_base.
2904         (Archive::filename): Move to base class.
2905         (Archive::set_incremental_info): Likewise.
2906         (Archive::incremental_info): Likewise.
2907         (Archive::Should_include): Likewise.
2908         (Archive::should_include_member): Likewise.
2909         (Archive::Armap_entry): Remove.
2910         (Archive::Unused_symbol_iterator): Remove.
2911         (Archive::unused_symbols_begin): Remove.
2912         (Archive::unused_symbols_end): Remove.
2913         (Archive::do_filename): New function.
2914         (Archive::do_get_mtime): New function.
2915         (Archive::do_for_all_unused_symbols): New function.
2916         (Archive::task_): Move to base class.
2917         (Archive::incremental_info_): Likewise.
2918         (class Lib_group): Derive from Library_base.
2919         (Lib_group::do_filename): New function.
2920         (Lib_group::do_get_mtime): New function.
2921         (Lib_group::do_for_all_unused_symbols): New function.
2922         (Lib_group::task_): Move to base class.
2923         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2924         function.
2925         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2926         function.
2927         * incremental.cc (Incremental_inputs::report_archive_begin):
2928         Use Library_base; call library's get_mtime; add incremental inputs
2929         entry before members.
2930         (class Unused_symbol_visitor): New class.
2931         (Incremental_inputs::report_archive_end): Use Library_base; use
2932         visitor class to record unused symbols; don't add incremental inputs
2933         entry after members.
2934         (Incremental_inputs::report_object): Use Library_base.
2935         * incremental.h
2936         (Incremental_archive_entry::Incremental_archive_entry): Remove
2937         unused Archive parameter.
2938         (Incremental_inputs::report_archive_begin): Use Library_base.
2939         (Incremental_inputs::report_archive_end): Likewise.
2940         (Incremental_inputs::report_object): Likewise.
2941         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2942         function.
2943         * object.h (Object::for_all_global_symbols): New function.
2944         (Object::do_for_all_global_symbols): New function.
2945         (Sized_relobj::do_for_all_global_symbols): New function.
2946         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2947         function.
2948         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2949         function.
2950
2951 2011-03-27  Ian Lance Taylor  <iant@google.com>
2952
2953         * archive.cc (Archive::interpret_header): Return -1 if something
2954         goes wrong.  Change callers accordingly.
2955
2956 2011-03-25  Cary Coutant  <ccoutant@google.com>
2957
2958         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2959         * testsuite/Makefile.in: Regenerate.
2960
2961 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2962
2963         * plugin.cc (get_view): New.
2964         (Plugin::load): Pass get_view to the plugin.
2965         (Plugin_manager::get_view): New.
2966
2967 2011-03-21  Ian Lance Taylor  <iant@google.com>
2968
2969         * testsuite/final_layout.sh: Rewrite to not use dc.
2970         * testsuite/relro_test.sh: Fail if dc is not present.
2971
2972 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2973
2974         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2975         Change == to -eq.
2976         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2977         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2978         Change == to -eq.
2979         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2980         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2981
2982 2011-03-14  Ian Lance Taylor  <iant@google.com>
2983
2984         * script-sections.cc (Sort_output_sections::script_compare):
2985         Rename from is_before, change return type.
2986         (Sort_output_sections::operator()): Adjust accordingly.
2987
2988 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2989
2990         PR gold/12572
2991         * testsuite/odr_violation2.cc: Add comment to make all error line
2992         numbers double digits.
2993         * testsuite/debug_msg.sh: Adjust expected errors.
2994
2995 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2996
2997         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2998         but mark earlier ones as non-canonical
2999         (offset_to_iterator): Update search target and example
3000         (do_addr2line): Return extra lines in a vector*
3001         (format_file_lineno): Extract from do_addr2line
3002         (one_addr2line): Add vector* out-param
3003         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3004         when a lineno entry appeared last for its instruction
3005         (Dwarf_line_info): Add vector* out-param
3006         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3007         * symtab.cc (Odr_violation_compare): Include the lineno in the
3008         comparison again.
3009         (linenos_from_loc): New. Combine the canonical line for an
3010         address with its other lines.
3011         (True_if_intersect): New. Helper functor to make
3012         std::set_intersection a query.
3013         (detect_odr_violations): Compare sets of lines instead of just
3014         one line for each function. This became less deterministic, but
3015         has fewer false positives.
3016         * symtab.h: Declarations.
3017         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3018         mix an optimized and non-optimized object in the same binary
3019         (odr_violation2.so): Same.
3020         * testsuite/Makefile.in: Regenerate from Makefile.am.
3021         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3022         * testsuite/debug_msg.sh: Update line numbers and add
3023         assertions.
3024         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3025         non-optimized context.
3026         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3027         isn't inlined, and use OdrDerived in an optimized context.
3028         * testsuite/odr_header1.h: Defines OdrDerived, where
3029         optimization will change the
3030         first-instruction-in-the-destructor's file and line number.
3031         * testsuite/odr_header2.h: Defines OdrBase.
3032
3033 2011-03-09  Ian Lance Taylor  <iant@google.com>
3034
3035         * fileread.cc (File_read::clear_views): Don't delete the whole
3036         file view.
3037
3038 2011-03-08  Ian Lance Taylor  <iant@google.com>
3039
3040         PR gold/12525
3041         * fileread.cc: #include <climits>.
3042         (GOLD_IOV_MAX): Define.
3043         (File_read::read_multiple): Limit number of entries by iov_max.
3044         * fileread.h (class File_read): Always set max_readv_entries to
3045         128.
3046
3047 2011-03-07  Ian Lance Taylor  <iant@google.com>
3048
3049         PR gold/12525
3050         * options.h (class General_options): Add -dy and -dn.
3051
3052 2011-03-02  Cary Coutant  <ccoutant@google.com>
3053
3054         * testsuite/script_test_9.t: Add TLS segment.
3055
3056 2011-03-02  Simon Baldwin  <simonb@google.com>
3057
3058         * configure.ac: Add check for gnu_indirect_function support in
3059         the toolchain building binutils.
3060         * configure: Rebuild.
3061
3062 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3063
3064         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3065         plugin only symbols.
3066         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3067         in plugin files as not needed in the symbol table.
3068
3069 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3070
3071         * output.cc (Output_section::add_input_section): Delay fill
3072         generation for section ordering.
3073
3074 2011-02-09  Ian Lance Taylor  <iant@google.com>
3075
3076         PR gold/12316
3077         * object.h (class Sized_relobj): Remove clear_local_symbols.
3078         * reloc.cc (Sized_relobj::do_relocate): Don't call
3079         clear_local_symbols.
3080
3081 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3082
3083         * plugin.cc (is_visible_from_outside): Return true for symbols
3084         in the -u option.
3085
3086 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3087
3088         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3089         filename.
3090
3091 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3092
3093         * icf.h (is_section_foldable_candidate): Change type of parameter
3094         to std::string.
3095         * icf.cc (Icf::find_identical_sections): Change type of local variable
3096         section_name to be std::string.
3097         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3098
3099 2011-01-25  Ian Lance Taylor  <iant@google.com>
3100
3101         * script.cc (script_add_extern): Rewrite to use
3102         add_symbol_reference.
3103
3104 2011-01-25  Doug Kwan  <dougkwan@google.com>
3105
3106         * icf.cc (get_section_contents): Always lock section's object.
3107
3108 2011-01-24  Ian Lance Taylor  <iant@google.com>
3109
3110         * options.h (class General_options): Accept
3111         --no-detect-odr-violations.
3112
3113 2011-01-24  Ian Lance Taylor  <iant@google.com>
3114
3115         * version.cc (version_string): Bump to 1.11.
3116
3117 2011-01-24  Ian Lance Taylor  <iant@google.com>
3118
3119         * plugin.cc (class Plugin_rescan): Define new class.
3120         (Plugin_manager::claim_file): Set any_claimed_.
3121         (Plugin_manager::save_archive): New function.
3122         (Plugin_manager::save_input_group): New function.
3123         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3124         necessary.
3125         (Plugin_manager::new_undefined_symbol): New function.
3126         (Plugin_manager::rescan): New function.
3127         (Plugin_manager::rescannable_defines): New function.
3128         (Plugin_manager::add_input_file): Set any_added_.
3129         * plugin.h (class Plugin_manager): define new fields rescannable_,
3130         undefined_symbols_, any_claimed_, and any_added_.  Declare
3131         Plugin_rescan as friend.  Declare new functions.
3132         (Plugin_manager::Rescannable): Define type.
3133         (Plugin_manager::Rescannable_list): Define type.
3134         (Plugin_manager::Undefined_symbol_list): Define type.
3135         (Plugin_manager::Plugin_manager): Initialize new fields.
3136         * archive.cc (Archive::defines_symbol): New function.
3137         (Add_archive_symbols::run): Pass archive to plugins if any.
3138         * archive.h (class Archive): Declare defines_symbol.
3139         * readsyms.cc (Input_group::~Input_group): New function.
3140         (Finish_group::run): Pass input_group to plugins if any.
3141         * readsyms.h (class Input_group): Declare destructor.
3142         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3143         any.
3144
3145 2011-01-10  Ian Lance Taylor  <iant@google.com>
3146
3147         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3148         section as relro.
3149         (Layout::set_segment_offsets): Reset increase_relro before calling
3150         set_section_addresses a second time.
3151
3152 2011-01-04  Cary Coutant  <ccoutant@google.com>
3153
3154         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3155         sections before NOBITS sections.
3156
3157 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3158
3159         * version.cc (print_version): Update copyright to 2011.
3160
3161 2010-12-23  Cary Coutant  <ccoutant@google.com>
3162
3163         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3164         of OS to this->add.  Add OD parameter to second form of the function.
3165
3166 2010-12-20  Ian Lance Taylor  <iant@google.com>
3167
3168         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3169         second of two consecutive entries with same offset.
3170
3171 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3172
3173         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3174         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3175         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3176         to avoid unneeded links against $(LDADD).
3177         * testsuite/Makefile.in: Regenerate.
3178
3179 2010-12-15  Ian Lance Taylor  <iant@google.com>
3180
3181         PR gold/12324
3182         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3183         for R_X86_64_32 and R_X86_64_PC32.
3184         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3185         ver_matching_def_pic.o.
3186         (ver_matching_def_pic.o): New target.
3187
3188 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3189
3190         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3191         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3192         Move definition before File_read::View member definitions.
3193         (File_read::View::~View): Initialize and hold lock before
3194         updating current_mapped_bytes.
3195
3196 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3197
3198         * dwarf_reader.cc: Remove outdated comment.
3199         * gold-threads.cc: Fix typo in error message.
3200         * archive.cc: Fix typos in comments.
3201         * archive.h: Likewise.
3202         * arm-reloc-property.cc: Likewise.
3203         * arm-reloc-property.h: Likewise.
3204         * arm-reloc.def: Likewise.
3205         * arm.cc: Likewise.
3206         * attributes.h: Likewise.
3207         * cref.cc: Likewise.
3208         * ehframe.cc: Likewise.
3209         * fileread.h: Likewise.
3210         * gold.h: Likewise.
3211         * i386.cc: Likewise.
3212         * icf.cc: Likewise.
3213         * incremental.h: Likewise.
3214         * int_encoding.cc: Likewise.
3215         * layout.h: Likewise.
3216         * main.cc: Likewise.
3217         * merge.h: Likewise.
3218         * object.cc: Likewise.
3219         * object.h: Likewise.
3220         * options.cc: Likewise.
3221         * readsyms.cc: Likewise.
3222         * reduced_debug_output.cc: Likewise.
3223         * reloc.cc: Likewise.
3224         * script-sections.cc: Likewise.
3225         * sparc.cc: Likewise.
3226         * symtab.h: Likewise.
3227         * target-reloc.h: Likewise.
3228         * target.cc: Likewise.
3229         * target.h: Likewise.
3230         * timer.cc: Likewise.
3231         * timer.h: Likewise.
3232         * x86_64.cc: Likewise.
3233
3234 2010-12-09  Cary Coutant  <ccoutant@google.com>
3235
3236         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3237         stack.
3238         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3239         parameter; change all callers.
3240         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3241         * options.h (warn_execstack): New option.
3242
3243 2010-12-07  Doug Kwan  <dougkwan@google.com>
3244
3245         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3246         like function call relocations.
3247
3248 2010-12-07  Ian Lance Taylor  <iant@google.com>
3249
3250         * archive.cc (Archive::get_elf_object_for_member): Permit
3251         punconfigured to be NULL.
3252         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3253         (Archive::include_member): Pass NULL to get_elf_object_for_member
3254         if we searched for the archive and this is the first included
3255         object.
3256
3257 2010-12-01  Ian Lance Taylor  <iant@google.com>
3258
3259         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3260         track_relocs_type_ field.
3261         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3262         Set track_relocs_type_.
3263         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3264         contents when using RELA relocs.
3265         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3266         reloc_map_.
3267         * reloc.cc (Track_relocs::next_addend): New function.
3268         * reloc.h (class Track_relocs): Declare next_addend.
3269
3270 2010-12-01  Ian Lance Taylor  <iant@google.com>
3271
3272         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3273         virtual destructor.
3274
3275 2010-12-01  Ian Lance Taylor  <iant@google.com>
3276
3277         * README: Update compilers known to work and fail.
3278
3279 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3280
3281         * configure.in: For --enable-gold, handle value `default' instead of
3282         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3283         not the default.
3284         * configure: Regenerate.
3285
3286 2010-11-18  Doug Kwan  <dougkwan@google.com>
3287
3288         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3289         and right_alignment to be zero.  Store result alignment only if it is
3290         greater than existing alignment.
3291
3292 2010-11-16  Cary Coutant  <ccoutant@google.com>
3293
3294         PR gold/12220
3295         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3296         Check for ".zdebug_line".
3297
3298 2010-11-16  Doug Kwan  <dougkwan@google.com>
3299             Cary Coutant  <ccoutant@google.com>
3300
3301         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3302         by reference; adjust all callers.
3303         * output.cc (Output_segment::set_section_addresses): Adjust references
3304         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3305         list is empty.
3306         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3307         end at page boundary.
3308
3309 2010-11-16  Cary Coutant  <ccoutant@google.com>
3310
3311         PR gold/12220
3312         * layout.cc (Layout::choose_output_section): Transform names of
3313         compressed sections even when using a script with a SECTIONS clause.
3314         (Layout::output_section_name): Remove code to transform
3315         compressed debug section names.
3316         * output.cc (Output_section::add_input_section): Use uncompressed
3317         section size when tracking input sections.
3318
3319 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3320
3321         * symtab.h (Symbol::NON_PIC_REF): Remove.
3322         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3323         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3324         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3325         (Symbol::use_plt_offset): Take a flags argument and pass it
3326         directly to needs_dynamic_reloc.  Restrict check for undefined
3327         weak symbols to function calls.
3328         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3329         (Target_arm::Scan::global): Use it.
3330         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3331         (Target_arm::Relocate::relocate): Likewise.
3332         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3333         parameter with an r_type parameter.  Use get_reference_flags
3334         to get the flags.
3335         (Target_arm::Relocate::relocate): Update accordingly.
3336         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3337         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3338         (Target_i386::Scan::global): Likewise.
3339         (Target_i386::Relocate::relocate): Likewise.
3340         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3341         parameter with an r_type parameter.  Use get_reference_flags
3342         to get the flags.
3343         (Target_i386::Relocate::relocate): Update accordingly.
3344         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3345         (Target_powerpc::Scan::global): Use it.
3346         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3347         (Target_powerpc::Relocate::relocate): Likewise.
3348         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3349         (Target_sparc::Scan::global): Use it.
3350         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3351         (Target_sparc::Relocate::relocate): Likewise.
3352         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3353         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3354         (Target_x86_64::Scan::global): Likewise.
3355         (Target_x86_64::Relocate::relocate): Likewise.
3356
3357 2010-11-08  Doug Kwan  <dougkwan@google.com>
3358             Cary Coutant  <ccoutant@google.com>
3359
3360         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3361         (Arm_exidx_merge_section::section_contents_): New data member.
3362         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3363         (Arm_input_section::~Arm_input_section): De-allocate memory.
3364         (Arm_input_section::original_contents_): New data member.
3365         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3366         in parameters instead of calling Object::section_contents without
3367         locking.
3368         (Arm_output_section::group_section): New parameter TASK.  Pass it
3369         to callees that need locking objects.
3370         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3371         to lock EXIDX input sections.  Fix a formatting issue.  Call
3372         Arm_exidx_merged_section::build_contents to create merged section
3373         contents.
3374         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3375         to lock object of stub table owner.
3376         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3377         TEXT_SIZE to initialize data member TEXT_SIZE_.
3378         (Arm_exidx_input_section::addralign): Fix typo in comment.
3379         (Arm_exidx_input_section::text_size): New method.
3380         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3381         that require locking objects.  Lock objects before scanning for stubs
3382         and updating local symbols.
3383         (Arm_input_section<big_endian>::init): Copy contents of original
3384         input section.
3385         (Arm_input_section<big_endian>::do_write): Use saved contents of
3386         original input section instead of calling Object::section_contents
3387         without locking.
3388         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3389         size without calling Object::section_size().
3390         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3391         for size.  Allocate a buffer for merged EXIDX entries.
3392         (Arm_exidx_merged_section::build_contents): New method.
3393         (Arm_exidx_merged_section::do_write): Move merge section contents
3394         building code to Arm_exidx_merged_section::build_contetns.  Write
3395         out contetns in buffer instead of building it on the fly.
3396         (Arm_relobj::make_exidx_input_section): Also pass text section size
3397         to Arm_exidx_input_section constructor.
3398         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3399         (Arm_dynobj::do_read_symbols): Fix memory leak.
3400         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3401         * target.h: (class Task): Add forward declaration.
3402         (Target::relax): Add new parameter TASK and pass it to
3403         Target::do_relax().
3404         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3405
3406 2010-11-05  Cary Coutant  <ccoutant@google.com>
3407
3408         PR gold/10708
3409         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3410         object when reading from the file.
3411         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3412         second layout pass.
3413         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3414         when reading section contents.
3415         (get_section_contents): Likewise.
3416         (icf::find_identical_sections): Likewise.
3417         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3418         object when reading from the file.
3419         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3420         the object when doing deferred section layout.
3421
3422 2010-11-03  Nick Clifton  <nickc@redhat.com>
3423
3424         PR gold/12001
3425         * script.h (class Symbol_assignment: name): New member.  Returns
3426         the name of the symbol.
3427         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3428         Returns true if the given symbol name is on the list of
3429         assignments wating to be processed.
3430         * archive.cc (should_incldue_member): If the symbol is undefined,
3431         check to see if it is on the list of symbols pending assignment.
3432
3433 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3434
3435         * script-sections.cc (Script_sections::find_memory_region): Check
3436         for a NULL output section pointer.
3437
3438 2010-10-29  Doug Kwan  <dougkwan@google.com>
3439
3440         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3441         Output_section::add_relaxed_input_section.
3442         * output.cc (Output_section::add_relaxed_input_section): Add new
3443         arguments LAYOUT and NAME.  Set section order index.
3444         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3445         Copy section order index.
3446         * output.h (Output_section::add_relaxed_input_section): Add new
3447         arguments LAYOUT and NAME.
3448
3449 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3450
3451         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3452         NATIVE_OR_CROSS_LINKER.
3453         * testsuite/Makefile.in: Regenerate.
3454
3455 2010-10-20  Doug Kwan  <dougkwan@google.com>
3456
3457         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3458         without SHF_LINK_ORDER flags.
3459         * layout.cc (Layout::choose_output_section): Do not filter
3460         SHF_LINK_ORDER flag in a relocatable link.
3461
3462 2010-10-17  Cary Coutant  <ccoutant@google.com>
3463
3464         * output.h (Output_segment::set_section_addresses): Change function
3465         signature.  Update all callers.
3466         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3467         sections.
3468         (Output_segment::set_section_addresses): Align after last TLS
3469         section.  Add padding before last relro section instead of after.
3470
3471 2010-10-17  Doug Kwan  <dougkwan@google.com>
3472
3473         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3474         GOT output section to be writable.
3475
3476 2010-10-14  Cary Coutant  <ccoutant@google.com>
3477
3478         * debug.h (DEBUG_INCREMENTAL): New flag.
3479         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3480         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3481         mode.
3482         * incremental.cc (report_command_line): Ignore all forms of
3483         --incremental.
3484         * layout.cc (Layout::Layout): Check parameters for incremental link
3485         mode.
3486         * options.cc (General_options::parse_incremental): New function.
3487         (General_options::parse_no_incremental): New function.
3488         (General_options::parse_incremental_full): New function.
3489         (General_options::parse_incremental_update): New function.
3490         (General_options::incremental_mode_): New data member.
3491         (General_options::finalize): Check incremental_mode_.
3492         * options.h (General_options): Update help text for --incremental.
3493         Add --no-incremental, --incremental-full, --incremental-update.
3494         (General_options::Incremental_mode): New enum type.
3495         (General_options::incremental_mode): New function.
3496         (General_options::incremental_mode_): New data member.
3497         * parameters.cc (Parameters::incremental_mode_): New data member.
3498         (Parameters::set_options): Set incremental_mode_.
3499         (Parameters::set_incremental_full): New function.
3500         (Parameters::incremental): New function.
3501         (Parameters::incremental_update): New function.
3502         (set_parameters_incremental_full): New function.
3503         * parameters.h (Parameters::set_incremental_full): New function.
3504         (Parameters::incremental): New function.
3505         (Parameters::incremental_update): New function.
3506         (Parameters::incremental_mode_): New data member.
3507         (set_parameters_incremental_full): New function.
3508         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3509         incremental link mode.
3510         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3511         (Sized_relobj::do_relocate_sections): Likewise.
3512         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3513         option.
3514         * testsuite/Makefile.in: Regenerate.
3515         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3516
3517 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3518
3519         * script-sections.h (class Script_sections): Make
3520         Sections_elements typedef public.
3521         * script-sections.cc (class Sort_output_sections): Add elements_
3522         field.  Add constructor which sets it; change all callers.
3523         (Sort_output_sections::is_before): New function.
3524         (Sort_output_sections::operator()): Call is_before.
3525         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3526         conditional.
3527         * testsuite/script_test_10.sh: New test. Test script section
3528         order.
3529         * testsuite/script_test_10.t: Likewise.
3530         * testsuite/script_test_10.s: Likewise.
3531         * testsuite/Makefile.am: Wrap the cross linker tests and the
3532         common tests into NATIVE_OR_CROSS_LINKER.
3533         (check_SCRIPTS): Add script_test_10.sh.
3534         (check_DATA): Add script_test_10.stdout.
3535         (script_test_10.o, script_test_10): New targets.
3536         (script_test_10.stdout): New target.
3537         * configure, testsuite/Makefile.in: Regenerate.
3538
3539 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3540
3541         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3542         error for the deprecated relocations.
3543         (Target_arm::Scan::global): Likewise.
3544         (Target_arm::Relocate::relocate): Likewise.
3545
3546 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3547
3548         * fileread.cc (Input_file::find_file): Initialize *found_name
3549         and *namep when using the fallback search for case 4.
3550
3551 2010-10-11  Cary Coutant  <ccoutant@google.com>
3552
3553         * options.h (class General_options): Redefine -z lazy as an alias for
3554         the negation of -z now.
3555
3556 2010-10-11  Ian Lance Taylor  <iant@google.com>
3557
3558         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3559         binding.
3560
3561 2010-10-06  Nick Clifton  <nickc@redhat.com>
3562
3563         * script-sections.cc(class Memory_region): Remove
3564         current_lma_offset_ field.  Rename current_vma_offset_ to
3565         current_offset_.  Add last_section_ field.
3566         (Memory_region::get_current_vma_address): Rename to
3567         get_current_address.
3568         (Memory_region::get_current_lma_address): Delete.
3569         (Memory_region::increment_vma_offset): Rename to
3570         increment_offset.
3571         (Memory_region::increment_lma_offset): Delete.
3572         (Memory_region::attributes_compatible): New method.  Returns
3573         true if the provided section is compatible with the region.
3574         (Memory_region::get_last_section): New method.  Returns the last
3575         section to use the region.
3576         (Memory_region::set_last_section): New method.  Stores the last
3577         section to use the region.
3578         (Script_sections::block_in_region): New method.  Returns true if
3579         a block of memory is contained within a region.
3580         (Script_sections::find_memory_region): New method.  Locates a
3581         memory region to be used to set a VMA or LMA address.
3582         (Output_section_definition::set_section_addresses): Add code to
3583         check for addresses set by memory regions.
3584         (Output_segment::set_section_addresses): Remove memory region
3585         walking code.
3586         (Script_sections::create_segment): Add a warning if a header
3587         segment is created outside of any region.
3588         * script-sections.h (class Script_sections): Add prototypes for
3589         find_memory_region and block_in_region methods.
3590         * testsuite/memory_test.s: Use .long instead of .word.
3591         * testsuite/memory_test.t: Add some more output sections.
3592         * testsuite/memory_test.sh: Update expected output.
3593
3594 2010-10-02  Doug Kwan  <dougkwan@google.com>
3595
3596         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3597         defintion to symtab.h
3598         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3599         declaration to defintion.
3600
3601 2010-10-01  Nick Clifton  <nickc@redhat.com>
3602
3603         * expression.cc (eval): Replace dummy argument with NULL.
3604         (eval_maybe_dot): Check for a NULL result section pointer.
3605         (Symbol_expression::value): Likewise.
3606         (Dot_expression::value): Likewise.
3607         (BINARY_EXPRESSION): Likewise.
3608         (Max_expression::value): Likewise.
3609         (Min_expression::value): Likewise.
3610         (Absolute_expression::value): Likewise.
3611         (Addr_expression::value_from_output_section): Likewise.
3612         (Loaddddr_expression::value_from_output_section): Likewise.
3613         (Segment_start_expression::value): Likewise.
3614         * script-sections.cc
3615         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3616         argument with NULL.
3617         (Sections_elememt_dot_assignment::set_section_addresses):
3618         Likewise.
3619         (Output_data_expression::do_write_to_buffer): Likewise.
3620         (Output_section_definition::finalize_symbols): Likewise.
3621         (Output_section_definition::set_section_addresses): Likewise.
3622
3623 2010-09-30  Doug Kwan  <dougkwan@google.com>
3624
3625         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3626
3627 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3628
3629         * target.h (Target::can_icf_inline_merge_sections): New virtual
3630         function.
3631         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3632         virtual function.
3633         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3634         virtual function.
3635         * icf.cc (get_section_contents): Inline merge sections only when
3636         target allows it.
3637
3638 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3639
3640         * configure: Regenerate.
3641
3642 2010-09-17  Ian Lance Taylor  <iant@google.com>
3643
3644         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3645         * testsuite/Makefile.am (memory_test.o): New target.
3646         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3647         memory_test.t.
3648         * testsuite/Makefile.in: Rebuild.
3649
3650 2010-09-17  Doug Kwan  <dougkwan@google.com>
3651
3652         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3653         defintion if relocation uses GOT entries of the symbol.
3654         * testsuite/icf_safe_test.sh: Fix test.
3655         * testsuite/icf_safe_so_test.sh: Fix test.
3656
3657 2010-09-16  Cary Coutant  <ccoutant@google.com>
3658
3659         * script_sections.cc (class Memory_region): Remove "NULL" from
3660         vector initializations.
3661
3662 2010-09-15  Cary Coutant  <ccoutant@google.com>
3663
3664         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3665         Resolve forwarding symbols.
3666
3667 2010-09-15  Doug Kwan  <dougkwan@google.com>
3668
3669         * gold/testsuite/script_test_3.t: Add ARM special sections.
3670         * gold/testsuite/script_test_4.t: Same.
3671         * gold/testsuite/script_test_5.t: Same.
3672         * gold/testsuite/script_test_6.t: Same.
3673         * gold/testsuite/script_test_7.t: Same.
3674         * gold/testsuite/script_test_7.t: Same.
3675         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3676
3677 2010-09-14  Cary Coutant  <ccoutant@google.com>
3678
3679         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3680         (Target_x86_64::Relocate::relocate_tls): Replace check for
3681         saw_tls_block_reloc_ with test for executable section.
3682
3683 2010-09-12  Cary Coutant  <ccoutant@google.com>
3684
3685         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3686         position-independent executables to shared libraries need dynamic
3687         relocations.
3688         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3689         position-independent executables.
3690         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3691         * testsuite/Makefile.in: Regenerate.
3692
3693 2010-09-10  Nick Clifton  <nickc@redhat.com>
3694
3695         PR gold/11997
3696         * testsuite/memory_test.t: Discard any sections that are not
3697         needed.
3698
3699 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3700
3701         PR gold/11996
3702         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3703         "This::" to work around a bug in gcc 4.2.
3704
3705         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3706
3707 2010-09-09  Rafael Espindola  <espindola@google.com>
3708
3709         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3710         sections with different PF_X flags in the same segment.
3711         (Layout::find_first_load_seg): Search all segments to find the first
3712         one.
3713         * options.h (rosegment): New.
3714
3715 2010-09-08  Rafael Espindola  <espindola@google.com>
3716
3717         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3718
3719 2010-09-08  Doug Kwan  <dougkwan@google.com>
3720
3721         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3722         (Arm_relobj::do_relocate_sections): Add new parameter for output
3723         file to match the parent.
3724         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3725         of local symbols instead of input values.  Update code to track
3726         changes in gold::relocate_section.
3727         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3728         (Sized_relobj::compute_final_local_value_internal): New methods.
3729         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3730         body into private version of Sized_relobj::compute_final_local_value.
3731         Call the inline method.
3732         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3733         merged symbol value if there is one.
3734         (Symbol_value::has_output_value): New method defintiion.
3735         (Sized_relobj::Compute_final_local_value_status): New enum type.
3736         (Sized_relobj::compute_final_local_value): New methods.
3737         (Sized_relobj::compute_final_local_value_internal): New methods.
3738         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3739         and arm_cortex_a8.sh.
3740         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3741         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3742         New tests.
3743         * Makefile.in: Regenerate.
3744         * testsuite/arm_bl_out_of_range.s: Update test.
3745         * testsuite/thumb_bl_out_of_range.s: Ditto.
3746         * testsuite/thumb_blx_out_of_range.s: Ditto.
3747         * testsuite/arm_branch_out_of_range.sh: New file.
3748         * testsuite/arm_cortex_a8.sh: Ditto.
3749         * testsuite/arm_cortex_a8_b.s: Ditto.
3750         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3751         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3752         * testsuite/arm_cortex_a8_bl.s: Ditto.
3753         * testsuite/arm_cortex_a8_blx.s: Ditto.
3754         * testsuite/arm_cortex_a8_local.s: Ditto.
3755         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3756         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3757
3758 2010-09-08  Rafael Espindola  <espindola@google.com>
3759
3760         * Makefile.am (memory_test.stdout): Run readelf with -W.
3761         * Makefile.in: Regenerate.
3762         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3763         64 bit output.
3764
3765 2010-09-08  Rafael Espindola  <espindola@google.com>
3766
3767         * script-sections.cc (Script_sections::add_memory_region): Convert
3768         field precision to int.
3769         * script.cc (script_set_section_region, script_set_section_region):
3770         Convert field precision to int.
3771
3772 2010-09-08  Rafael Espindola  <espindola@google.com>
3773
3774         * arm.cc (do_finalize_sections): Create the __exidx_start and
3775         __exdix_end symbols even when the section is missing.
3776
3777 2010-09-08  Nick Clifton  <nickc@redhat.com>
3778
3779         * README: Remove claim that MEMORY is not supported.
3780         * expression.cc (script_exp_function_origin)
3781         (script_exp_function_length): Move from here to ...
3782         * script.cc: ... here.
3783         (script_set_section_region, script_add_memory)
3784         (script_parse_memory_attr, script_include_directive): New
3785         functions.
3786         * script-sections.cc
3787         (class Memory_region): New class.
3788         (class Output_section_definition): Add set_memory_region,
3789         set_section_vma, set_section_lma and get_section_name methods.
3790         (class Script_Sections): Add add_memory_region,
3791         find_memory_region, find_memory_region_origin,
3792         find_memory_region_length and set_memory_region methods.
3793         Have set_section_addresses method walk the list of set memory
3794         regions.
3795         Extend the print methos to display memory regions.
3796         * script-sections.h: Add prototypes for new methods.
3797         Add enum for MEMORY region attributes.
3798         * yyscript.y: Add support for parsing MEMORY regions.
3799         * script-c.h: Add prototypes for new functions.
3800         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3801         * testsuite/Makefile.in: Regenerate.
3802         * testsuite/memory_test.sh: New script.
3803         * testsuite/memory_test.s: New assembler source file.
3804         * testsuite/memory_test.t: New linker script.
3805
3806 2010-08-27  Doug Kwan  <dougkwan@google.com>
3807
3808         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3809         reference override an existing dynamic weak reference.
3810         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3811         * testsuite/Makefile.in: Regenerate.
3812         * testsuite/dyn_weak_ref.sh: New file.
3813         * testsuite/dyn_weak_ref_1.c: Ditto.
3814         * testsuite/dyn_weak_ref_2.c: Ditto.
3815
3816 2010-08-27  Ian Lance Taylor  <iant@google.com>
3817
3818         * incremental.h (class Incremental_input_entry): Add virtual
3819         destructor.
3820
3821 2010-08-27  Ian Lance Taylor  <iant@google.com>
3822
3823         * testsuite/start_lib_test_3.c: Mark t3 as used.
3824
3825 2010-08-27  Nick Clifton  <nickc@redhat.com>
3826
3827         * options.cc (version_script): Fix small typo in previous
3828         whitespace tidyup.
3829
3830 2010-08-25  Nick Clifton  <nickc@redhat.com>
3831
3832         * archive.cc: Formatting fixes: Remove whitespace between
3833         typename and following asterisk.  Remove whitespace between
3834         function name and opening parenthesis.
3835         * archive.h: Likewise.
3836         * arm.cc: Likewise.
3837         * attributes.cc: Likewise.
3838         * attributes.h: Likewise.
3839         * common.cc: Likewise.
3840         * copy-relocs.cc: Likewise.
3841         * dirsearch.h: Likewise.
3842         * dynobj.cc: Likewise.
3843         * ehframe.cc: Likewise.
3844         * ehframe.h: Likewise.
3845         * expression.cc: Likewise.
3846         * fileread.cc: Likewise.
3847         * fileread.h: Likewise.
3848         * gc.h: Likewise.
3849         * gold-threads.cc: Likewise.
3850         * gold.cc: Likewise.
3851         * i386.cc: Likewise.
3852         * icf.h: Likewise.
3853         * incremental-dump.cc: Likewise.
3854         * incremental.cc: Likewise.
3855         * layout.cc: Likewise.
3856         * layout.h: Likewise.
3857         * main.cc: Likewise.
3858         * merge.cc: Likewise.
3859         * merge.h: Likewise.
3860         * object.cc: Likewise.
3861         * object.h: Likewise.
3862         * options.cc: Likewise.
3863         * options.h: Likewise.
3864         * output.cc: Likewise.
3865         * output.h: Likewise.
3866         * plugin.cc: Likewise.
3867         * plugin.h: Likewise.
3868         * powerpc.cc: Likewise.
3869         * reloc.cc: Likewise.
3870         * script-c.h: Likewise.
3871         * script-sections.cc: Likewise.
3872         * script.cc: Likewise.
3873         * stringpool.cc: Likewise.
3874         * symtab.cc: Likewise.
3875         * symtab.h: Likewise.
3876         * target.cc: Likewise.
3877         * timer.cc: Likewise.
3878         * timer.h: Likewise.
3879         * version.cc: Likewise.
3880         * x86_64.cc: Likewise.
3881
3882 2010-08-24  Nick Clifton  <nickc@redhat.com>
3883
3884         PR 11899
3885         * layout.cc (segment_precedes): Sort segments by their physical
3886         addresses, if they have been set.
3887
3888 2010-08-23  Cary Coutant  <ccoutant@google.com>
3889
3890         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3891         symbols data.
3892         (Lib_group::include_member): Unlock object after deleting its
3893         symbols data.
3894         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3895         the bug fixed here.
3896
3897 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3898             Cary Coutant  <ccoutant@google.com>
3899
3900         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3901         constructor, and set_blocker.
3902         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3903         readsyms_blocker_.
3904         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3905         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3906         * testsuite/Makefile.am (start_lib_test): New test case.
3907         * testsuite/Makefile.in: Regenerate.
3908         * testsuite/start_lib_test_main.c: New file.
3909         * testsuite/start_lib_test_1.c: New file.
3910         * testsuite/start_lib_test_2.c: New file.
3911         * testsuite/start_lib_test_3.c: New file.
3912
3913 2010-08-19  Ian Lance Taylor  <iant@google.com>
3914
3915         * Makefile.in: Rebuild with automake 1.11.1.
3916         * aclocal.m4: Likewise.
3917         * testsuite/Makefile.in: Likewise.
3918
3919 2010-08-19  Ian Lance Taylor  <iant@google.com>
3920
3921         PR 10893
3922         * i386.cc (class Output_data_plt_i386): Update declarations.
3923         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3924         local_ifuncs_ fields.
3925         (Target_i386::do_plt_section_for_global): New function.
3926         (Target_i386::do_plt_section_for_local): New function.
3927         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3928         parameter; change all callers.  Initialize global_ifuncs_ and
3929         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3930         __rel_iplt_end.
3931         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3932         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3933         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3934         symbols.
3935         (Target_i386::make_plt_section): New function, broken out of
3936         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3937         (Target_i386::make_plt_entry): Call make_plt_section.
3938         (Target_i386::make_local_ifunc_plt_entry): New function.
3939         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3940         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3941         R_386_IRELATIVE to switch.
3942         (Target_i386::Scan::global): Likewise.
3943         (Target_i386::Relocate::relocate): Likewise.
3944         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3945         switch.
3946         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3947         (Target_x86_64::do_plt_section_for_global): New function.
3948         (Target_x86_64::do_plt_section_for_local): New function.
3949         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3950         parameter; change all callers.  If doing a static link define
3951         __rela_iplt_start and __rela_iplt_end.
3952         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3953         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3954         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3955         to point to .plt.
3956         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3957         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3958         switch.
3959         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3960         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3961         R_X86_64_IRELATIVE to switch.
3962         (Target_x86_64::Scan::global): Likewise.
3963         (Target_x86_64::Relocate::relocate): Likewise.
3964         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3965         switch.
3966         * target.h (class Target): Add plt_section_for_global and
3967         plt_section_for_local functions.  Add do_plt_section_for_global
3968         and do_plt_section_for_local virtual functions.
3969         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3970         clarifying comments.
3971         (Symbol::use_plt_offset): Handle IFUNC symbol.
3972         * object.cc (Sized_relobj::Sized_relobj): Initialize
3973         local_plt_offsets_.
3974         (Sized_relobj::local_has_plt_offset): New function.
3975         (Sized_relobj::local_plt_offset): New function.
3976         (Sized_relobj::set_local_plt_offset): New function.
3977         (Sized_relobj::do_count): Handle IFUNC symbol.
3978         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3979         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3980         is_ifunc_symbol functions.
3981         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3982         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3983         local_plt_offsets_ field.
3984         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3985         * output.h (class Output_section_data): Add non-const
3986         output_section function.
3987         (class Output_data_got): Update declarations.
3988         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3989         Add use_plt_offset parameter to global and local constructors.
3990         Change all callers.  Change local_sym_index_ field to 31 bits.
3991         Change GSYM_CODE and CONSTANT_CODE accordingly.
3992         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3993         doing a static link don't set sh_link field.
3994         (Output_data_got::Got_entry::write): Use PLT offset if
3995         appropriate.
3996         (Output_data_got::add_global_plt): New function.
3997         (Output_data_got::add_local_plt): New function.
3998         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3999         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4000         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4001         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4002         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4003         IFUNC conditional.
4004         * testsuite/ifunc-sel.h: New file.
4005         * testsuite/ifuncmain1.c: New file.
4006         * testsuite/ifuncmain1vis.c: New file.
4007         * testsuite/ifuncmod1.c: New file.
4008         * testsuite/ifuncdep2.c: New file.
4009         * testsuite/ifuncmain2.c: New file.
4010         * testsuite/ifuncmain3.c: New file.
4011         * testsuite/ifuncmod3.c: New file.
4012         * testsuite/ifuncmain4.c: New file.
4013         * testsuite/ifuncmain5.c: New file.
4014         * testsuite/ifuncmod5.c: New file.
4015         * testsuite/ifuncmain6pie.c: New file.
4016         * testsuite/ifuncmod6.c: New file.
4017         * testsuite/ifuncmain7.c: New file.
4018         * configure, testsuite/Makefile.in: Rebuild.
4019
4020 2010-08-18  Ian Lance Taylor  <iant@google.com>
4021
4022         * incremental.cc
4023         (Output_section_incremental_inputs::write_input_files): Add cast
4024         to avoid signed/unsigned comparison warning.
4025         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4026
4027 2010-08-12  Cary Coutant  <ccoutant@google.com>
4028
4029         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4030
4031 2010-08-13  Ian Lance Taylor  <iant@google.com>
4032
4033         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4034
4035 2010-08-12  Cary Coutant  <ccoutant@google.com>
4036             Doug Kwan  <dougkwan@google.com>
4037
4038         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4039         defintion overrides non-weak undef, remember that the original undef
4040         is not weak.
4041         * symtab.cc (Symbol_table::sized_write_global): For undef without
4042         an original weak binding, set binding to global in output.
4043         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4044         * testsuite/Makefile.in: Regenerate.
4045         * testsuite/strong_ref_weak_def.sh: New file.
4046         * testsuite/strong_ref_weak_def_1.c: Ditto.
4047         * testsuite/strong_ref_weak_def_2.c: Ditto.
4048
4049 2010-08-12  Cary Coutant  <ccoutant@google.com>
4050
4051         * testsuite/incremental_test.sh: Rewrite.
4052         * testsuite/incremental_test_1.c: Rewrite.
4053         * testsuite/incremental_test_2.c: Rewrite.
4054
4055 2010-08-12  Cary Coutant  <ccoutant@google.com>
4056
4057         * arm.cc (Target_arm::got_size): Add const.
4058         (Target_arm::got_entry_count): New function.
4059         (Target_arm::plt_entry_count): New function.
4060         (Target_arm::first_plt_entry_offset): New function.
4061         (Target_arm::plt_entry_size): New function.
4062         (Output_data_plt_arm::entry_count): New function.
4063         (Output_data_plt_arm::first_plt_entry_offset): New function.
4064         (Output_data_plt_arm::get_plt_entry_size): New function.
4065         * i386.cc (Target_i386::got_size): Add const.
4066         (Target_i386::got_entry_count): New function.
4067         (Target_i386::plt_entry_count): New function.
4068         (Target_i386::first_plt_entry_offset): New function.
4069         (Target_i386::plt_entry_size): New function.
4070         (Output_data_plt_i386::entry_count): New function.
4071         (Output_data_plt_i386::first_plt_entry_offset): New function.
4072         (Output_data_plt_i386::get_plt_entry_size): New function.
4073         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4074         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4075         * incremental.cc: Include target.h.
4076         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4077         parameter.  Adjust all callers.  Find incremental_got_plt section.
4078         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4079         section.
4080         (Output_section_incremental_inputs::set_final_data_size): Calculate
4081         size of incremental_got_plt section.
4082         (Output_section_incremental_inputs::do_write): Write the
4083         incremental_got_plt section.
4084         (Got_plt_view_info): New struct.
4085         (Local_got_offset_visitor): New class.
4086         (Global_got_offset_visitor): New class.
4087         (Global_symbol_visitor_got_plt): New class.
4088         (Output_section_incremental_inputs::write_got_plt): New function.
4089         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4090         Add parameter.  Adjust all callers.
4091         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4092         (Incremental_inputs::got_plt_section): New function.
4093         (Incremental_inputs::got_plt_section_): New data member.
4094         (Incremental_got_plt_reader): New class.
4095         * layout.cc (Layout::create_incremental_info_sections): Add the
4096         incremental_got_plt section.
4097         * object.h (Got_offset_list::get_list): New function.
4098         (Got offset_list::for_all_got_offsets): New function.
4099         (Sized_relobj::local_got_offset_list): New function.
4100         * powerpc.cc (Target_powerpc::got_size): Add const.
4101         (Target_powerpc::got_entry_count): New function.
4102         (Target_powerpc::plt_entry_count): New function.
4103         (Target_powerpc::first_plt_entry_offset): New function.
4104         (Target_powerpc::plt_entry_size): New function.
4105         (Output_data_plt_powerpc::entry_count): New function.
4106         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4107         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4108         * sparc.cc (Target_sparc::got_size): Add const.
4109         (Target_sparc::got_entry_count): New function.
4110         (Target_sparc::plt_entry_count): New function.
4111         (Target_sparc::first_plt_entry_offset): New function.
4112         (Target_sparc::plt_entry_size): New function.
4113         (Output_data_plt_sparc::entry_count): New function.
4114         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4115         (Output_data_plt_sparc::get_plt_entry_size): New function.
4116         * symtab.h (Symbol::got_offset_list): New function.
4117         (Symbol_table::for_all_symbols): New function.
4118         * target.h (Sized_target::got_entry_count): New function.
4119         (Sized_target::plt_entry_count): New function.
4120         (Sized_target::plt_entry_size): New function.
4121         * x86_64.cc (Target_x86_64::got_size): Add const.
4122         (Target_x86_64::got_entry_count): New function.
4123         (Target_x86_64::plt_entry_count): New function.
4124         (Target_x86_64::first_plt_entry_offset): New function.
4125         (Target_x86_64::plt_entry_size): New function.
4126         (Output_data_plt_x86_64::entry_count): New function.
4127         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4128         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4129
4130 2010-08-12  Cary Coutant  <ccoutant@google.com>
4131
4132         * archive.cc: Include incremental.h.
4133         (Archive::Archive): Initialize incremental_info_.
4134         (Archive::include_member): Record archive members in incremental info.
4135         (Add_archive_symbols::run): Record begin and end of an archive in
4136         incremental info.
4137         (Lib_group::include_member): Record objects in incremental info.
4138         * archive.h (Incremental_archive_entry): Forward declaration.
4139         (Archive::set_incremental_info): New member function.
4140         (Archive::incremental_info): New member function.
4141         (Archive::Unused_symbol_iterator): New class.
4142         (Archive::unused_symbols_begin): New member function.
4143         (Archive::unused_symbols_end): New member function.
4144         (Archive::incremental_info_): New data member.
4145         * incremental-dump.cc (find_input_containing_global): New function.
4146         (dump_incremental_inputs): Dump new incremental info sections.
4147         * incremental.cc: Include symtab.h.
4148         (Output_section_incremental_inputs): New class.
4149         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4150         new incremental info sections.
4151         (Sized_incremental_binary::do_check_inputs): Likewise.
4152         (Incremental_inputs::report_archive): Remove.
4153         (Incremental_inputs::report_archive_begin): New function.
4154         (Incremental_inputs::report_archive_end): New function.
4155         (Incremental_inputs::report_object): New function.
4156         (Incremental_inputs::finalize_inputs): Remove.
4157         (Incremental_inputs::report_input_section): New function.
4158         (Incremental_inputs::report_script): Rewrite.
4159         (Incremental_inputs::finalize): Do nothing but finalize string table.
4160         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4161         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4162         (Incremental_inputs::create_data_sections): New function.
4163         (Incremental_inputs::relocs_entsize): New function.
4164         (Output_section_incremental_inputs::set_final_data_size): New function.
4165         (Output_section_incremental_inputs::do_write): New function.
4166         (Output_section_incremental_inputs::write_header): New function.
4167         (Output_section_incremental_inputs::write_input_files): New function.
4168         (Output_section_incremental_inputs::write_info_blocks): New function.
4169         (Output_section_incremental_inputs::write_symtab): New function.
4170         * incremental.h (Incremental_script_entry): Forward declaration.
4171         (Incremental_object_entry): Forward declaration.
4172         (Incremental_archive_entry): Forward declaration.
4173         (Incremental_inputs): Forward declaration.
4174         (Incremental_inputs_header_data): Remove.
4175         (Incremental_inputs_header): Remove.
4176         (Incremental_inputs_header_write): Remove.
4177         (Incremental_inputs_entry_data): Remove.
4178         (Incremental_inputs_entry): Remove.
4179         (Incremental_inputs_entry_write): Remove.
4180         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4181         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4182         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4183         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4184         Likewise.
4185         (Incremental_input_entry): New class.
4186         (Incremental_script_entry): New class.
4187         (Incremental_object_entry): New class.
4188         (Incremental_archive_entry): New class.
4189         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4190         (Incremental_inputs::report_inputs): Remove.
4191         (Incremental_inputs::report_archive): Remove.
4192         (Incremental_inputs::report_archive_begin): New function.
4193         (Incremental_inputs::report_archive_end): New function.
4194         (Incremental_inputs::report_object): Change prototype.
4195         (Incremental_inputs::report_input_section): New function.
4196         (Incremental_inputs::report_script): Change prototype.
4197         (Incremental_inputs::get_reloc_count): New function.
4198         (Incremental_inputs::set_reloc_count): New function.
4199         (Incremental_inputs::create_data_sections): New function.
4200         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4201         (Incremental_inputs::inputs_section): New function.
4202         (Incremental_inputs::symtab_section): New function.
4203         (Incremental_inputs::relocs_section): New function.
4204         (Incremental_inputs::get_stringpool): Add const.
4205         (Incremental_inputs::command_line): Add const.
4206         (Incremental_inputs::inputs): Remove.
4207         (Incremental_inputs::command_line_key): New function.
4208         (Incremental_inputs::input_file_count): New function.
4209         (Incremental_inputs::input_files): New function.
4210         (Incremental_inputs::relocs_entsize): New function.
4211         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4212         (Incremental_inputs::finalize_inputs): Remove.
4213         (Incremental_inputs::Input_info): Remove.
4214         (Incremental_inputs::lock_): Remove.
4215         (Incremental_inputs::inputs_): Change type.
4216         (Incremental_inputs::inputs_map_): Remove.
4217         (Incremental_inputs::current_object_entry_): New data member.
4218         (Incremental_inputs::inputs_section_): New data member.
4219         (Incremental_inputs::symtab_section_): New data member.
4220         (Incremental_inputs::relocs_section_): New data member.
4221         (Incremental_inputs::reloc_count_): New data member.
4222         (Incremental_inputs_reader): New class.
4223         (Incremental_symtab_reader): New class.
4224         (Incremental_relocs_reader): New class.
4225         * layout.cc (Layout::finalize): Move finalization of incremental info
4226         and creation of incremental info sections to follow finalization of
4227         symbol table.  Set offsets for postprocessing sections.
4228         (Layout::create_incremental_info_sections): Call
4229         Incremental_inputs::create_data_sections.  Add incremental symtab
4230         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4231         sections to layout after input sections.
4232         * layout.h (struct Timespec): Forward declaration.
4233         (Layout::incremental_inputs): Add const.
4234         (Layout::create_incremental_info_sections): Add parameter.
4235         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4236         * object.cc: Include incremental.h.
4237         (Relobj::finalize_incremental_relocs): New function.
4238         (Sized_relobj::do_layout): Record input sections in incremental info.
4239         * object.h (Object::output_section): New function.
4240         (Object::output_section_offset): Moved from Relobj.
4241         (Object::get_incremental_reloc_base): New function.
4242         (Object::get_incremental_reloc_count): New function.
4243         (Object::do_output_section): New function.
4244         (Object::do_output_section_offset): Moved from Relobj.
4245         (Object::do_get_incremental_reloc_base): New function.
4246         (Object::do_get_incremental_reloc_count): New function.
4247         (Object::Object): Initialize new data members.
4248         (Relobj::output_section): Renamed do_output_section and moved to
4249         protected.
4250         (Relobj::output_section_offset): Moved to Object.
4251         (Relobj::do_get_incremental_reloc_base): New function.
4252         (Relobj::do_get_incremental_reloc_count): New function.
4253         (Relobj::allocate_incremental_reloc_counts): New function.
4254         (Relobj::count_incremental_reloc): New function.
4255         (Relobj::finalize_incremental_relocs): New function.
4256         (Relobj::next_incremental_reloc_index): New function.
4257         (Relobj::reloc_counts_): New data member.
4258         (Relobj::reloc_bases_): New data member.
4259         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4260         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4261         (Sized_relobj::incremental_relocs_scan): New function.
4262         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4263         (Sized_relobj::incremental_relocs_write): New function.
4264         (Sized_relobj::incremental_relocs_write_reltype): New function.
4265         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4266         incremental link.
4267         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4268         archives and object files elsewhere.
4269         (Add_symbols::run): Report object files here.
4270         (Finish_group::run): Report end of archive at end of group.
4271         * reloc.cc: Include layout.h, incremental.h.
4272         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4273         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4274         (Sized_relobj::incremental_relocs_scan): New function.
4275         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4276         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4277         (Sized_relobj::incremental_relocs_write): New function.
4278         (Sized_relobj::incremental_relocs_write_reltype): New function.
4279         * script.cc (read_input_script): Rewrite test for incremental link.
4280         Change call to Incremental_inputs::report_script.
4281         * symtab.h (Symbol_table::first_global_index): New function.
4282         (Symbol_table::output_count): New function.
4283
4284 2010-08-12  Doug Kwan  <dougkwan@google.com>
4285
4286         * arm.cc (Target_arm::merge_object_attributes): Check command line
4287         options --no-wchar-size-warning and --no-enum-size-warning.
4288         * options.h (General_options): Add ld-compatible options
4289         --no-enum-size-warning and --no-wchar-size-warning.
4290
4291 2010-08-04  Ian Lance Taylor  <iant@google.com>
4292
4293         * x86_64.cc (Target_x86_64::Scan::local): Use
4294         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4295         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4296         (Target_x86_64::Scan::global): Likewise.
4297         (Target_x86_64::Relocate::relocate): Likewise.
4298         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4299         Likewise.
4300
4301 2010-08-03  Cary Coutant  <ccoutant@google.com>
4302
4303         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4304         to reserve space in merged_strings vector. Keep total input size
4305         for stats.
4306         (Output_merge_string::do_print_merge_stats): Print total input size.
4307         * merge.h (Output_merge_string): Add input_size_ field.
4308         * stringpool.cc (Stringpool_template::string_length): Move
4309         implementations out of Stringpool_template class and place in
4310         stringpool.h.
4311         * stringpool.h (string_length): Move out of Stringpool_template.
4312
4313 2010-08-03  Ian Lance Taylor  <iant@google.com>
4314
4315         PR 11712
4316         * layout.cc (relaxation_loop_body): If address of load segment is
4317         set, adjust address to include headers if possible.
4318
4319 2010-08-03  Ian Lance Taylor  <iant@google.com>
4320
4321         * version.cc (version_string): Bump to 1.10.
4322
4323 2010-08-03  Ian Lance Taylor  <iant@google.com>
4324
4325         PR 11805
4326         * layout.h (enum Output_section_order): Define.
4327         (class Layout): Update declarations.
4328         * layout.cc (Layout::get_output_section): Add order parameter.
4329         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4330         is_first_non_relro parameters.  Change all callers.
4331         (Layout::choose_output_section): Likewise.
4332         (Layout::add_output_section_data): Likewise.
4333         (Layout::make_output_section): Likewise.  Set order.
4334         (Layout::default_section_order): New function.
4335         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4336         * output.cc (Output_section::Output_section): Initialize order_.
4337         Don't initialize deleted fields.
4338         (Output_segment::Output_segment): Don't initialize deleted
4339         fields.
4340         (Output_segment::add_output_section_to_load): New function
4341         replacing add_output_section.  Change all callers to call this or
4342         add_output_section_to_nonload.
4343         (Output_segment::add_output_section_to_nonload): New function.
4344         (Output_segment::remove_output_section): Rewrite.
4345         (Output_segment::add_initial_output_data): Likewise.
4346         (Output_segment::has_any_data_sections): Likewise.
4347         (Output_segment::is_first_section_relro): Likewise.
4348         (Output_segment::maximum_alignment): Likewise.
4349         (Output_segment::has_dynamic_reloc): New function replacing
4350         dynamic_reloc_count.  Change all callers.
4351         (Output_segment::has_dynamic_reloc_list): New function replacing
4352         dynamic_reloc_count_list.  Change all callers.
4353         (Output_segment::set_section_addresses): Rewrite.
4354         (Output_segment::set_offset): Rewrite.
4355         (Output_segment::find_first_and_last_list): Remove.
4356         (Output_segment::set_tls_offsets): Rewrite.
4357         (Output_segment::first_section_load_address): Likewise.
4358         (Output_segment::output_section_count): Likewise.
4359         (Output_segment::section_with_lowest_load_address): Likewise.
4360         (Output_segment::write_section_headers): Likewise.
4361         (Output_segment::print_sections_to_map): Likewise.
4362         * output.h (class Output_data): Remove dynamic_reloc_count_
4363         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4364         (Output_data::add_dynamic_reloc): Rewrite.
4365         (Output_data::has_dynamic_reloc): New function.
4366         (Output_data::dynamic_reloc_count): Remove.
4367         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4368         is_last_relro_, is_first_non_relro_, is_interp_,
4369         is_dynamic_linker_section_ fields.  Add order and set_order
4370         functions.  Remove is_relro_local, set_is_relro_local,
4371         is_last_relro, set_is_last_relro, is_first_non_relro,
4372         set_is_first_non_relro functions, is_interp, set_is_interp,
4373         is_dynamic_linker_section, and set_is_dynamic_linker_section
4374         functions.
4375         (class Output_segment): Change Output_data_list from std::list to
4376         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4377         output_bss_ fields.  Update declarations.
4378
4379 2010-08-02  Ian Lance Taylor  <iant@google.com>
4380
4381         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4382         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4383         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4384
4385 2010-08-02  Ian Lance Taylor  <iant@google.com>
4386
4387         PR 11855
4388         * script.cc (Script_options::Script_options): Initialize
4389         symbol_definitions_ and symbol_references_.
4390         (Script_options::add_symbol_assignment): Update
4391         symbol_definitions_ and symbol_references_.
4392         (Script_options::add_symbol_reference): New function.
4393         (script_symbol): New function.
4394         * script.h (class Script_options): Add symbol_definitions_ and
4395         symbol_references_ fields.
4396         (Script_options::referenced_const_iterator): New type.
4397         (Script_options::referenced_begin): New function.
4398         (Script_options::referenced_end): New function.
4399         (Script_options::is_referenced): New function.
4400         (Script_options::any_unreferenced): New function.
4401         * script-c.h (script_symbol): Declare.
4402         * yyscript.y (exp): Call script_symbol.
4403         * symtab.cc: Include "script.h".
4404         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4405         Change all callers.  Check symbols referenced by scripts.
4406         (Symbol_table::add_undefined_symbols_from_command_line): Add
4407         layout parameter.  Change all callers.
4408         (Symbol_table::do_add_undefined_symbols_from_command_line):
4409         Likewise.  Break out loop body.  Check symbols referenced by
4410         scripts.
4411         (Symbol_table::add_undefined_symbol_from_command_line): New
4412         function broken out of
4413         do_add_undefined_symbols_from_command_line.
4414         * symtab.h (class Symbol_table): Update declarations.
4415         * archive.cc: Include "layout.h".
4416         (Archive::should_include_member): Add layout parameter.  Change
4417         all callers.  Check for symbol mentioned in expression.
4418         * archive.h (class Archive): Update declaration.
4419         * object.cc (Sized_relobj::do_should_include_member): Add layout
4420         parameter.
4421         * object.h (Object::should_include_member): Add layout parameter.
4422         Change all callers.
4423         (Object::do_should_include_member): Add layout parameter.
4424         (class Sized_relobj): Update declaration.
4425         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4426         parameter.
4427         * dynobj.h (class Sized_dynobj): Update declaration.
4428         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4429         layout parameter.
4430         * plugin.h (class Sized_pluginobj): Update declaration.
4431
4432 2010-08-02  Ian Lance Taylor  <iant@google.com>
4433
4434         PR 11866
4435         * output.cc (Output_segment::set_offset): Search for the first and
4436         last sections rather than assuming that the list is in order.
4437         (Output_segment::find_first_and_last_list): New function.
4438         * output.h (class Output_segment): Update declarations.
4439         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4440         (relro_strip_test_SOURCES): New variable.
4441         (relro_strip_test_DEPENDENCIES): New variable.
4442         (relro_strip_test_LDFLAGS): New variable.
4443         (relro_strip_test_LDADD): New variable.
4444         (relro_strip_test.so): New target.
4445
4446 2010-08-02  Ian Lance Taylor  <iant@google.com>
4447
4448         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4449         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4450         (Target_i386::got_tlsdesc_section): New function.
4451         (Target_i386::got_section): Create space for GOT entries for
4452         TLSDESC relocations.
4453         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4454         R_386_TLS_GOTDESC.
4455         (Target_i386::Scan::global): Likewise.
4456         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4457         using TLSDESC GOT.
4458         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4459         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4460         (Target_x86_64::got_tlsdesc_section): New function.
4461         (Target_x86_64::got_section): Create space for GOT entries for
4462         TLSDESC relocations.
4463         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4464         R_386_TLS_GOTDESC.
4465         (Target_x86_64::Scan::global): Likewise.
4466         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4467         using TLSDESC GOT.
4468
4469 2010-08-02  Ian Lance Taylor  <iant@google.com>
4470
4471         * testsuite/final_layout.sh: Use dc to convert from hex to
4472         decimal.
4473
4474 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4475
4476         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4477         paramter to the call to gold::gc_process_relocs.
4478         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4479         paramter to the call to gold::gc_process_relocs.
4480         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4481         parameter to the call to gold::gc_process_relocs.
4482         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4483         template parameter to the call to gold::gc_process_relocs.
4484         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4485         paramter to the call to gold::gc_process_relocs.
4486         * gc.h (get_embedded_addend_size): New function.
4487         (gc_process_relocs): Save the size of the reloc for use by ICF.
4488         * icf.cc (get_section_contents): Get the addend from the text section
4489         for SHT_REL relocation sections.
4490         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4491         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4492         * int_encoding.h (read_from_pointer): New overloaded function.
4493         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4494         * testsuite/icf_sht_rel_addend_test.sh: New file.
4495         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4496         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4497
4498 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4499
4500         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4501         * Makefile.in: Regenerate.
4502         * testsuite/Makefile.in: Regenerate.
4503
4504 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4505
4506         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4507         * gold/testsuite/debug_msg.cc: Likewise.
4508         * gold/testsuite/odr_violation1.cc
4509         * gold/testsuite/odr_violation2.cc
4510
4511 2010-07-21  Cary Coutant  <ccoutant@google.com>
4512
4513         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4514         string, and length fields.
4515         (Output_merge_string::Merged_strings_list): New type.
4516         (Output_merge_string::Merged_strings_lists): New typedef.
4517         (Output_merge_string): Replace merged_strings_ with
4518         merged_strings_lists_.
4519         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4520         Merged_strings_list per input object and section.  Don't store pointer
4521         to the string.  Don't store length with each merged string entry.
4522         (Output_merge_string::finalize_merged_data): Loop over list of merged
4523         strings lists.  Recompute length of each merged string.
4524
4525 2010-07-15  Cary Coutant  <ccoutant@google.com>
4526
4527         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4528         here.
4529
4530 2010-07-14  Ian Lance Taylor  <iant@google.com>
4531
4532         * descriptors.cc (Descriptors::open): Report correct name in error
4533         message.
4534
4535 2010-07-13  Doug Kwan  <dougkwan@google.com>
4536
4537         * arm.cc (Arm_input_section::Arm_input_section): For a
4538         SHT_ARM_EXIDX section, always keeps the input sections.
4539         (Arm_input_section::set_exidx_section_link): New method.
4540         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4541         has_errors_ to false.
4542         (Arm_exidx_input_section::has_errors,
4543         Arm_exidx_input_section::set_has_errors): New methods.
4544         (Arm_exidx_input_section::has_errors_): New data member.
4545         (Arm_relobj::get_exidx_shndx_list): New method.
4546         (Arm_output_section::append_text_sections_to_list): Do not skip
4547         section without SHF_EXECINSTR.
4548         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4549         errors.
4550         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4551         section header.  Make error messages more verbose.  Check for
4552         a non-executable section linked to an EXIDX section.
4553         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4554         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4555         check that there is no deferred EXIDX section if we exit early.
4556         Instead of not making an EXIDX section in case of an error, make one
4557         and set the has_errors flag of it.
4558         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4559         in a relocatable link.
4560         (Target_arm::do_relax): Look for the EXIDX output section instead of
4561         assuming that it is called .ARM.exidx.
4562         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4563         section list.  Do not check for SHF_EXECINSTR section flags but
4564         skip any input section with errors.
4565         * output.cc (Output_section::Output_section): Initialize
4566         always_keeps_input_sections_ to false.
4567         (Output_section::add_input_section): Check for
4568         always_keeps_input_sections_.
4569         *  output.h (Output_section::always_keeps_input_sections,
4570         Output_section::set_always_keeps_input_sections): New methods.
4571         (Output_section::always_keeps_input_sections): New data member.
4572
4573 2010-07-13  Rafael Espindola  <espindola@google.com>
4574
4575         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4576         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4577
4578 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4579             Ian Lance Taylor  <iant@google.com>
4580
4581         * output.h (Output_section_lookup_maps::add_merge_section):
4582         Correct check of whether value was inserted.
4583         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4584         (Output_section_lookup_maps::add_relaxed_input_section):
4585         Likewise.
4586         * arm.cc (Target_arm::got_section): Remove used local os.
4587         * i386.cc (Target_i386::got_section): Likewise.
4588         * x86_64.cc (Target_x86_64::got_section): Likewise.
4589         * sparc.cc (Target_sparc::got_section): Likewise.
4590         (Target_sparc::relocate): Remove unused local have_got_offset.
4591         * powerpc.cc (Target_powerpc::relocate): Likewise.
4592
4593 2010-07-13  Ian Lance Taylor  <iant@google.com>
4594
4595         * compressed_output.cc (zlib_decompress): Fix signature in
4596         !HAVE_ZLIB_H case.
4597
4598         * archive.cc (Archive::include_member): Unlock an external member
4599         of a thin archive.  Don't bother to delete an object we know is
4600         NULL.
4601
4602 2010-07-12  Cary Coutant  <ccoutant@google.com>
4603
4604         * compressed_output.cc (zlib_decompress): New function.
4605         (get_uncompressed_size): New function.
4606         (decompress_input_section): New function.
4607         * compressed_output.h (get_uncompressed_size): New function.
4608         (decompress_input_section): New function.
4609         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4610         Handle compressed debug sections.
4611         * layout.cc (is_compressed_debug_section): New function.
4612         (Layout::output_section_name): Map compressed section names to
4613         canonical names.
4614         * layout.h (is_compressed_debug_section): New function.
4615         (is_debug_info_section): Recognize compressed debug sections.
4616         * merge.cc: Include compressed_output.h.
4617         (Output_merge_data::do_add_input_section): Handle compressed
4618         debug sections.
4619         (Output_merge_string::do_add_input_section): Handle compressed
4620         debug sections.
4621         * object.cc: Include compressed_output.h.
4622         (Sized_relobj::Sized_relobj): Initialize new data members.
4623         (build_compressed_section_map): New function.
4624         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4625         * object.h (Object::section_is_compressed): New method.
4626         (Object::do_section_is_compressed): New method.
4627         (Sized_relobj::Compressed_section_map): New type.
4628         (Sized_relobj::do_section_is_compressed): New method.
4629         (Sized_relobj::compressed_sections_): New data member.
4630         * output.cc (Output_section::add_input_section): Handle compressed
4631         debug sections.
4632         * reloc.cc: Include compressed_output.h.
4633         (Sized_relobj::write_sections): Handle compressed debug sections.
4634
4635 2010-07-08  Cary Coutant  <ccoutant@google.com>
4636
4637         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4638         weak when resolving to a dynamic def.
4639         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4640         for weak undef/dynamic def cases. Adjust callers.
4641         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4642         undef_binding_weak_.
4643         (Symbol_table::sized_write_globals): Adjust symbol binding.
4644         (Symbol_table::sized_write_symbol): Add binding parameter.
4645         * symtab.h (Symbol::set_undef_binding): New method.
4646         (Symbol::is_undef_binding_weak): New method.
4647         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4648         (Symbol_table::should_override): Add new parameter.
4649         (Symbol_table::sized_write_symbol): Add new parameter.
4650
4651         * testsuite/weak_undef_file1.cc: Add new test case.
4652         * testsuite/weak_undef_file2.cc: Fix header comment.
4653         * testsuite/weak_undef_test.cc: Add new test case.
4654
4655 2010-06-29  Doug Kwan  <dougkwan@google.com>
4656
4657         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4658         Initialize USE_SYMBOL_.
4659         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4660         definition.
4661         (Arm_reloc_property::uses_symbol_): New data member declaration.
4662         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4663         uses symbol value and symbol is undefined but not weakly undefined.
4664
4665 2010-06-28  Rafael Espindola  <espindola@google.com>
4666
4667         * plugin.cc (Plugin::load): Use dlerror.
4668
4669 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4670
4671         * symtab.cc (detect_odr_violations): When reporting an ODR
4672         violation, report an object where the symbol is defined.
4673
4674 2010-06-25  Doug Kwan  <dougkwan@google.com>
4675
4676         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4677         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4678         definition.
4679         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4680         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4681         target hook to detect function points.
4682         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4683         * icf.h (Icf::check_section_for_function_pointers): Change type of
4684         parameter SECTION_NAME to const reference to std::string.  Use
4685         target hook to determine if section may have unsafe pointers.
4686         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4687         method definition.
4688
4689 2010-06-21  Rafael Espindola  <espindola@google.com>
4690
4691         * fileread.cc (Input_file::find_fie): New
4692         (Input_file::open): Use Input_file::find_fie.
4693         * fileread.h (Input_file::find_fie): New
4694         * plugin.cc (set_extra_library_path): New.
4695         (Plugin::load): Add set_extra_library_path to the transfer vector.
4696         (Plugin_manager::set_extra_library_path): New.
4697         (Plugin_manager::add_input_file): Use the extra search path if set.
4698         (set_extra_library_path(): New.
4699         * plugin.h (Plugin_manager): Add set_extra_library_path and
4700         extra_search_path_.
4701
4702 2010-06-19  Cary Coutant  <ccoutant@google.com>
4703
4704         * layout.cc (gdb_sections): Add .debug_types.
4705         (lines_only_debug_sections): Likewise.
4706
4707 2010-06-18  Rafael Espindola  <espindola@google.com>
4708
4709         * plugin.cc (add_input_file,add_input_library)
4710         (Plugin_manager::add_input_file): Make filename arguments const.
4711         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4712         const.
4713
4714 2010-06-16  Doug Kwan  <dougkwan@google.com>
4715
4716         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4717         .ARM.attributes section if we have not merged any input
4718         attributes sections.
4719
4720 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4721
4722         * arm.cc: Allow combining objects with no EABI version
4723         information.
4724
4725 2010-06-15  Rafael Espindola  <espindola@google.com>
4726
4727         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4728
4729 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4730
4731         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4732         (struct iovec): Correct !HAVE_READV definition.
4733
4734 2010-06-10  Cary Coutant  <ccoutant@google.com>
4735
4736         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4737         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4738         reloc sections.
4739         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4740
4741         PR 11683
4742         * symtab.h (Symbol::is_placeholder): New member function.
4743         * target-reloc.h (relocate_section): Check for placeholder symbols.
4744
4745         * testsuite/Makefile.am (plugin_test_8): New test.
4746         (plugin_test_9): New test.
4747         * testsuite/Makefile.in: Regenerate.
4748
4749 2010-06-09  Nick Clifton  <nickc@redhat.com>
4750
4751         * yyscript.y (input_list_element): Allow strings prefixed with
4752         the '-' character.  Treat these as libraries.
4753         * script.cc (script_add_library): New function.  Adds a library
4754         specified by "-l<name>" found in an input script.
4755         * script-c.h: Add prototype for script_add_library.
4756
4757 2010-06-07  Doug Kwan  <dougkwan@google.com>
4758
4759         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4760         Restrict stub-group size to be within long conditional branch
4761         range when working around cortex-A8 erratum.
4762
4763 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4764
4765         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4766         #ifdef typo.
4767
4768 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4769
4770         PR gold/11658
4771         * output.cc
4772         (Output_section::Input_section_sort_entry::compare_section_ordering):
4773         Change to return non-zero correctly.
4774         (Output_section::Input_section_sort_section_order_index_compare
4775         ::operator()): Change to fix ambiguity in comparisons.
4776
4777 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4778
4779         * gold.h (is_wildcard_string): New function.
4780         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4781         (Layout::layout_eh_frame): Ditto.
4782         (Layout::find_section_order_index): New method.
4783         (Layout::read_layout_from_file): New method.
4784         * layout.h (Layout::find_section_order_index): New method.
4785         (Layout::read_layout_from_file): New method.
4786         (Layout::input_section_position_): New private member.
4787         (Layout::input_section_glob_): New private member.
4788         * main.cc (main): Call read_layout_from_file here.
4789         * options.h (--section-ordering-file): New option.
4790         * output.cc (Output_section::input_section_order_specified_): New
4791         member.
4792         (Output_section::Output_section): Initialize new member.
4793         (Output_section::add_input_section): Add new parameter.
4794         Keep input sections when --section-ordering-file is used.
4795         (Output_section::set_final_data_size): Sort input sections when
4796         section ordering file is specified.
4797         (Output_section::Input_section_sort_entry): Add new parameter.
4798         Check sorting type.
4799         (Output_section::Input_section_sort_entry::compare_section_ordering):
4800         New method.
4801         (Output_section::Input_section_sort_compare::operator()): Change to
4802         consider section_order_index.
4803         (Output_section::Input_section_sort_init_fini_compare::operator()):
4804         Change to consider section_order_index.
4805         (Output_section::Input_section_sort_section_order_index_compare
4806         ::operator()): New method.
4807         (Output_section::sort_attached_input_sections): Change to sort
4808         according to section order when specified.
4809         (Output_section::add_input_section<32, true>): Add new parameter.
4810         (Output_section::add_input_section<64, true>): Add new parameter.
4811         (Output_section::add_input_section<32, false>): Add new parameter.
4812         (Output_section::add_input_section<64, false>): Add new parameter.
4813         * output.h (Output_section::add_input_section): Add new parameter.
4814         (Output_section::input_section_order_specified): New
4815         method.
4816         (Output_section::set_input_section_order_specified): New method.
4817         (Input_section::Input_section): Initialize section_order_index_.
4818         (Input_section::section_order_index): New method.
4819         (Input_section::set_section_order_index): New method.
4820         (Input_section::section_order_index_): New member.
4821         (Input_section::Input_section_sort_section_order_index_compare): New
4822         struct.
4823         (Output_section::input_section_order_specified_): New member.
4824         * script-sections.cc (is_wildcard_string): Delete and move modified
4825         method to gold.h.
4826         (Output_section_element_input::Output_section_element_input): Modify
4827         call to is_wildcard_string.
4828         (Output_section_element_input::Input_section_pattern
4829         ::Input_section_pattern): Ditto.
4830         (Output_section_element_input::Output_section_element_input): Ditto.
4831         * testsuite/Makefile.am (final_layout): New test case.
4832         * testsuite/Makefile.in: Regenerate.
4833         * testsuite/final_layout.cc: New file.
4834         * testsuite/final_layout.sh: New file.
4835
4836 2010-06-01  Rafael Espindola  <espindola@google.com>
4837
4838         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4839
4840 2010-06-01  Rafael Espindola  <espindola@google.com>
4841
4842         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4843         visibility of symbols.
4844
4845 2010-05-27  Doug Kwan  <dougkwan@google.com>
4846
4847         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4848         from start of output section instead of address for a local symbol
4849         in a merged or relaxed section when doing a relocatable link.
4850
4851 2010-05-26  Rafael Espindola  <espindola@google.com>
4852
4853        PR 11604
4854         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4855         adding sections the garbage collector removed.
4856         * gold/testsuite/Makefile.am: Add test.
4857         * gold/testsuite/Makefile.in: Regenerate.
4858         * gold/testsuite/plugin_test_7.sh: New.
4859         * gold/testsuite/plugin_test_7_1.c: New.
4860         * gold/testsuite/plugin_test_7_2.c: New.
4861
4862 2010-05-26  Rafael Espindola  <espindola@google.com>
4863
4864         * script-sections.cc (Output_section_definition::set_section_addresses):
4865         Check for --section-start.
4866
4867 2010-05-26  Doug Kwan  <dougkwan@google.com>
4868
4869         * arm.cc (Arm_scan_relocatable_relocs): New class.
4870         (Target_arm::relocate_special_relocatable): New method.
4871         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4872         (Arm_relocate_functions::thumb_branch_common): Same.
4873         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4874         instead of Default_scan_relocatable_relocs.
4875         * target-reloc.h (relocate_for_relocatable): Let target handle
4876         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4877         * target.h (Sized_target::relocate_special_relocatable): New method.
4878
4879 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4880
4881         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4882
4883 2010-05-23  Doug Kwan  <dougkwan@google.com>
4884
4885         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4886         instead of a cast.
4887         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4888         with a direct branch, not a conditional branch, to a stub.
4889         * merge.cc (Output_merge_base::record_input_section): New method
4890         defintion.
4891         (Output_merge_data::do_add_input_section): Record input section if
4892         keeps-input-sections flag is set.
4893         (Output_merge_string::do_add_input_section): Ditto.
4894         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4895         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4896         INPUT_SECTIONS_.
4897         (Output_merge_base::keeps_input_sections,
4898         Output_merge_base::set_keeps_input_sections,
4899         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4900         method definitions.
4901         (Output_merge_base::Input_sections): New type declaration.
4902         (Output_merge_base::input_sections_begin,
4903         Output_merge_base::input_sections_end,
4904         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4905         (Output_merge_base::bool keeps_input_sections_,
4906         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4907         Output_merge_base::input_sections_): New data members.
4908         (Output_merge_data::do_set_keeps_input_sections): New method
4909         defintion.
4910         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4911         * output.cc (Output_section::Input_section::relobj): Move method
4912         defintion from class declaration to here and handle merge sections.
4913         (Output_section::Input_section::shndx): Ditto.
4914         (Output_section::Output_section): Remove initializations of removed
4915         data members and initialize new data member LOOKUP_MAPS_.
4916         (Output_section::add_input_section): Set keeps-input-sections flag
4917         for a newly created merge output section as appropriate.  Adjust code
4918         to use Output_section_lookup_maps class.
4919         (Output_section::add_relaxed_input_section): Adjst code for lookup
4920         maps code refactoring.
4921         (Output_section::add_merge_input_section): Add a new parameter
4922         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4923         class.  If adding input section to a newly created merge output
4924         section fails, remove the new merge section.
4925         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4926         Adjust code for use of the Output_section_lookup_maps class.
4927         (Output_section::find_merge_section): Ditto.
4928         (Output_section::build_lookup_maps): New method defintion.
4929         (Output_section::find_relaxed_input_section): Adjust code to use
4930         Output_section_lookup_maps class.
4931         (Output_section::get_input_sections): Export merge sections.  Adjust
4932         code to use Output_section_lookup_maps class.
4933         (Output_section:::add_script_input_section): Adjust code to use
4934         Output_section_lookup_maps class.  Update lookup maps for merge
4935         sections also.
4936         (Output_section::discard_states): Use Output_section_lookup_maps.
4937         (Output_section::restore_states): Same.
4938         * output.h (Merge_section_properties): Move class defintion out of
4939         Output_section.
4940         (Output_section_lookup_maps): New class.
4941         (Output_section::Input_section::is_merge_section): New method
4942         defintion.
4943         (Output_section::Input_section::relobj): Move defintion out of class
4944         defintion.  Declare method only.
4945         (Output_section::Input_section::shndx): Ditto.
4946         (Output_section::Input_section::output_merge_base): New method defintion.
4947         (Output_section::Input_section::u2_.pomb): New union field.
4948         (Output_section::Merge_section_by_properties_map,
4949         Output_section::Output_section_data_by_input_section_map,
4950         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4951         Remove types.
4952         (Output_section::add_merge_input_section): Add new parameter
4953         KEEPS_INPUT_SECTIONS.
4954         (Output_section::build_lookup_maps): New method declaration.
4955         (Output_section::merge_section_map_,
4956         Output_section::merge_section_by_properties_map_,
4957         Output_section::relaxed_input_section_map_,
4958         Output_section::is_relaxed_input_section_map_valid_): Remove data
4959         members.
4960         (Output_section::lookup_maps_): New data member.
4961
4962 2010-05-21  Doug Kwan  <dougkwan@google.com>
4963
4964         PR gold/11619
4965         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4966         avoid a compilation error.
4967
4968 2010-05-19  Rafael Espindola  <espindola@google.com>
4969
4970         * script-sections.cc (Output_section_definition::allocate_to_segment):
4971         Update the phdrs_list even when the output section is NULL.
4972         * testsuite/Makefile.am: Add test.
4973         * testsuite/Makefile.in: Regenerate.
4974         * testsuite/script_test_9.cc: New.
4975         * testsuite/script_test_9.sh: New.
4976         * testsuite/script_test_9.t: New.
4977
4978 2010-05-19  Doug Kwan  <dougkwan@google.com>
4979
4980         * arm.cc (Arm_input_section::original_size): New method.
4981         (Arm_input_section::do_addralign): Add a cast.
4982         (Arm_input_section::do_output_offset): Remove static cast.
4983         (Arm_input_section::original_addralign,
4984          Arm_input_section::original_size_): Change type to uint32_t.
4985         (Arm_input_section::init): Add safe casts for section alignment
4986         and size.
4987         (Arm_input_section::set_final_data_size): Do not set address and
4988         offset of stub table.
4989         (Arm_output_section::fix_exidx_coverage): Change use of of
4990         Output_section::Simple_input_section to that of
4991         Output_section::Input_section.
4992         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4993         except for the first pass.
4994         * output.cc (Output_section::get_input_sections): Change type of
4995         input_sections to std::list<Input_section>.
4996         (Output_section::add_script_input_section): Rename from
4997         Output_section::add_simple_input_section.  Change type of SIS
4998         parameter from Simple_input_section to Input_section.
4999         * output.h (Output_section::Simple_input_section): Remove class.
5000         (Output_section::Input_section): Change class visibility to public.
5001         (Output_section::Input_section::addralign): Use stored alignments
5002         for special input sections if set.
5003         (Output_section::Input_section::set_addralign): New method.
5004         (Output_section::get_input_sections): Change parameter type from
5005         list of Simple_input_section to list of Input_section.
5006         (Output_section::add_script_input_section): Rename from
5007         Output_section::add_simple_input_section. Change first parameter's
5008         type from Simple_input_section to Input_section and remove the
5009         second and third parameters.
5010         * script-sections.cc (Input_section::Input_section_list): Change
5011         type to list of Output_section::Input_section/
5012         (Input_section_info::Input_section_info): Change parameter type of
5013         INPUT_SECTION to Output_section::Input_section.
5014         (Input_section_info::input_section): Change return type.
5015         (Input_section_info::input_section_): Change type to
5016         Output_section::Input_section.
5017         (Output_section_element_input::set_section_addresses): Adjust code
5018         to use Output_section::Input_section instead of
5019         Output_section::Simple_input_section.  Adjust code for renaming
5020         of Output_section::add_simple_input_section.
5021         (Orphan_output_section::set_section_addresses): Ditto.
5022
5023 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5024
5025         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5026         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5027
5028 2010-05-18  Rafael Espindola  <espindola@google.com>
5029
5030         * options.cc (General_options::finalize): Handle -nostdlib.
5031         * options.h (nostdlib): New option.
5032         * script.cc (script_add_search_dir): Handle -nostdlib.
5033
5034 2010-05-12  Doug Kwan  <dougkwan@google.com>
5035
5036         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5037         attributes section only if there no attributes section after merging.
5038         (Target_arm::merge_object_attributes): Move value of
5039         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5040         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5041         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5042         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5043         and arm_attr_merge_7.stdout.
5044         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5045         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5046         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5047         arm_attr_merge_7b.o): New rules.
5048         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5049         arm_attr_merge_7
5050         * testsuite/Makefile.in: Regenerate.
5051         * testsuite/arm_attr_merge.sh: New file.
5052         * testsuite/arm_attr_merge_[67][ab].s: Same.
5053
5054 2010-05-05  Nick Clifton  <nickc@redhat.com>
5055
5056         * po/es.po: Updated Spanish translation.
5057
5058 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5059
5060         * Makefile.am (install-exec-local): Properly install gold as
5061         default cross linker.
5062         * Makefile.in: Regenerated.
5063
5064 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5065             Nick Clifton  <nickc@redhat.com>
5066
5067         * configure.ac (install_as_default): Define and set to false
5068         unless --enable-gold or --enable-gold=both/gold has been
5069         specified.
5070         * configure: Regenerate.
5071
5072         * Makefile.am (install-exec-local): Install the executable as
5073         'ld.gold'.  If install_as_default is true then also install it as
5074         'ld'.
5075         * Makefile.in: Regenerated.
5076
5077 2010-04-24  Ian Lance Taylor  <iant@google.com>
5078
5079         * layout.cc (Layout::layout_reloc): In relocatable link don't
5080         combine reloc sections for grouped sections.
5081
5082 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5083
5084         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5085         sections that are not ordinary to icf.
5086         * icf.cc (get_section_contents): Handle relocation pointing to section
5087         with no object or shndx information.
5088         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5089         * testsuite/Makefile.in: Regenerate.
5090         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5091         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5092
5093 2010-04-22  Ian Lance Taylor  <iant@google.com>
5094
5095         * expression.cc (Expression::Expression_eval_info): Add
5096         result_alignment_pointer field.
5097         (Expression::eval_with_dot): Add result_alignment_pointer
5098         parameter.  Change all callers.
5099         (Expression::eval_maybe_dot): Likewise.
5100         (class Binary_expression): Add alignment_pointer parameter to
5101         left_value and right_value.  Change all callers.
5102         (BINARY_EXPRESSION): Set result alignment.
5103         (class Trinary_expression): Add alignment_pointer parameter to
5104         arg2_value and arg3_value.  Change all callers.
5105         (Trinary_cond::value): Set result alignment.
5106         (Max_expression::value, Min_expression::value): Likewise.
5107         (Align_expression::value): Likewise.
5108         * script-sections.cc (class Sections_element): Add dot_alignment
5109         parameter to set_section_addresses virtual function.  Update
5110         instantiations.
5111         (class Output_section_element): Likewise.
5112         (Script_sections::create_segments): Add dot_alignment parameter.
5113         Change all callers.
5114         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5115         (Script_sections::set_phdrs_clause_addresses): Likewise.
5116         * script-sections.h: Update declarations.
5117         * script.h: Update declarations.
5118         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5119         min_p_align.
5120         * testsuite/script_test_3.t: Set large alignment.
5121         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5122         segment has expected alignment.
5123
5124 2010-04-22  Nick Clifton  <nickc@redhat.com>
5125
5126         * po/gold.pot: Updated by the Translation project.
5127         * po/vi.po: Updated Vietnamese translation.
5128
5129 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5130
5131         * testsuite/Makefile.am (check_PROGRAMS): Add
5132         icf_virtual_function_folding_test.
5133         * testsuite/Makefile.in: Regenerated.
5134
5135 2010-04-15  Andrew Haley  <aph@redhat.com>
5136
5137         * options.h (merge_exidx_entries): New option.
5138         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5139         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5140         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5141         (Target_arm::merge_exidx_entries): New function.
5142         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5143         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5144         to Arm_exidx_fixup constructor.
5145         Add new arg, merge_exidx_entries.
5146         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5147         Arm_output_section::fix_exidx_coverage.
5148
5149 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5150
5151         * icf.cc (get_section_contents): Check for preemptible functions.
5152         Ignore addend when appropriate.
5153         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5154         section folded.
5155         (add_from_relobj): Check for section folded.
5156         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5157         * symtab.h (should_add_dynsym_entry): Add new parameter.
5158         * target-reloc.h (scan_relocs): Check for section folded.
5159         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5160         Check reloc types for function pointers in shared objects.
5161         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5162         case.
5163         (icf_preemptible_functions_test): New test case.
5164         (icf_string_merge_test): New test case.
5165         * testsuite.Makefile.in: Regenerate.
5166         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5167         bar_glob.  Refactor code.
5168         * testsuite/icf_preemptible_functions_test.cc: New file.
5169         * testsuite/icf_preemptible_functions_test.sh: New file.
5170         * testsuite/icf_string_merge_test.cc: New file.
5171         * testsuite/icf_string_merge_test.sh: New file.
5172         * testsuite/icf_virtual_function_folding_test.cc: New file.
5173         * testsuite/icf_virtual_function_folding_test.sh: New file.
5174
5175 2010-04-14  Doug Kwan  <dougkwan@google.com>
5176
5177         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5178         for local symbol recounting if we remove a section due to ICF.
5179         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5180         there are no regular objects in input.
5181
5182 2010-04-13  Doug Kwan  <dougkwan@google.com>
5183
5184         * arm.cc (Arm_input_section::set_final_data_size): Compute
5185         accurate final data size instead of using current data size.
5186
5187 2010-04-09  Doug Kwan  <dougkwan@google.com>
5188
5189         * layout.cc (Layout::choose_output_section): Handle script section
5190         types.
5191         (Layout::make_output_section_for_script): Add section type parameter.
5192         Handle script section types.
5193         * layout.h (Layout::make_output_section_for_script): Add section
5194         type parameter.
5195         * output.cc (Output_section::Output_section): Initialize data member
5196         is_noload_.
5197         (Output_section::do_reset_address_and_file_offset): Do not set address
5198         to 0 if section is a NOLOAD section.
5199         * output.h (Output_section::is_noload): New method.
5200         (Output_section::set_is_noload): Ditto.
5201         (Output_section::is_noload_): New data member.
5202         * script-c.h (Script_section_type): New enum type.
5203         (struct Parser_output_section_header): Add new file section_type.
5204         * script-sections.cc (Sections_element::output_section_name): Add
5205         parameter for returning script section type.
5206         (Output_section_definition::output_section_name): Ditto.
5207         (Output_section_definition::section_type)P; New method.
5208         (Output_section_definiton::script_section_type_name): Ditto.
5209         (Output_section_definition::script_section_type_): New data member.
5210         (Output_section_definition::Output_section_definition): Initialize
5211         data member Output_section_definition::script_section_type_.
5212         (Output_section_definition::create_sections): Pass script section type
5213         to Layout::make_output_section_for_script.
5214         (Output_section_definition::output_section_name): Return script
5215         section type to caller.
5216         (Output_section_definition::set_section_address): Do not advance
5217         dot value and load address if section type is NOLOAD.  Set address
5218         of NOLOAD sections regardless of section flags.
5219         (Output_section_definition::print): Print section type if it is
5220         not SCRIPT_SECTION_TYPE_NONE.
5221         (Output_section_definition::section_type): New method.
5222         (Output_section_definition::script_section_type_name): Ditto.
5223         (Script_sections::output_section_name): Add new parameter
5224         PSECTION_TYPE for returning script section type.  Pass it to
5225         section elements.  Handle discard sections.
5226         (Sort_output_sections::operator()): Handle NOLOAD sections.
5227         * script-sections.h (Script_sections::Section_type): New enum type.
5228         (Script_sections::output_section_name): Add a new parameter for
5229         returning script section type.
5230         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5231         INFO and NOLOAD.
5232         * yyscript.y (union): Add new field SECTION_TYPE.
5233         (COPY, DSECT, INFO, NOLOAD): New tokens.
5234         (opt_address_and_section_type): Change type to output_section_header.
5235         (section_type): New non-terminal
5236         (section_header): Handle section type.
5237         (opt_address_and_section_type): Return section type value.
5238
5239 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5240
5241         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5242         * testsuite/plugin_common_test_2.c (foo): Likewise.
5243
5244 2010-04-08  Doug Kwan  <dougkwan@google.com>
5245
5246         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5247         Output_merge_data.
5248         * output.cc (Output_section::add_merge_input_section): Simplify
5249         code and return status of Output_merge_base::add_input_section.
5250         Update merge section map only if Output_merge_base::add_input_section
5251         returns true.
5252
5253 2010-04-07  Doug Kwan  <dougkwan@google.com>
5254
5255         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5256         if section is marked as containing instructions but has no mapping
5257         symbols.
5258         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5259         correct section index.
5260         (Arm_relobj::find_linked_text_section): Ditto.
5261
5262 2010-04-07  Cary Coutant  <ccoutant@google.com>
5263
5264         * archive.cc (include_member): Destroy Read_symbols_data object before
5265         releasing file.
5266         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5267         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5268         (Read_symbols_data::~Read_symbols_data) New destructor.
5269         (Section_relocs::Section_relocs) New constructor.
5270         (Section_relocs::~Section_relocs) New destructor.
5271         (Read_relocs_data::Read_relocs_data) New constructor.
5272         (Read_relocs_data::~Read_relocs_data) New destructor.
5273         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5274         pointers to NULL after deleting.
5275
5276 2010-04-07  Doug Kwan  <dougkwan@google.com>
5277
5278         * arm.cc: Replace "endianity" with "endianness" in comments.
5279         (Arm_exidx_cantunwind): Ditto.
5280         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5281         (Arm_relobj::merge_flags_and_attributes): New method.
5282         (Arm_relobj::merge_flags_and_attributes_): New data member.
5283         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5284         (Arm_relobj::scan_sections_for_stubs): Ditto.
5285         (Arm_relobj::do_read_symbols): Check to see if we really want to
5286         merge processor-specific flags and attributes.  Exit early if
5287         an object is empty except for section names and the undefined symbol.
5288         (Target_arm::do_finalize_sections): Move check for ELF format to
5289         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5290         attributes from a regular object only when we have determined that
5291         it is aapropriate.  Do not create an .ARM.attributes section in
5292         output if there is no regular input object.
5293         (Target_arm::merge_processor_specific_flags): Check
5294         --warn-mismatch before printing any error.
5295         (Target_arm::merge_object_attributes): Ditto.
5296         * gold.cc (queue_middle_tasks): Handle the case in which there is
5297         no regular object in input.
5298         * options.cc (General_options::parse_EB): New method.
5299         (General_options::parse_EL): Same.
5300         (General_options::General_options): Initialize endianness_.
5301         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5302         New options.
5303         (General_options::Endianness): New enum.
5304         (General_options::endianness): New method.
5305         (General_options::endianness_): New data member.
5306         * parameters.cc (Parameters::set_options): Check target endianness.
5307         (Parameters::set_target_once): Ditto.
5308         (Parameters::check_target_endianness): New method.
5309         (parameters_force_valid_target): If either -EL or -EB is specified,
5310         use it to define endianness of default target.
5311         * parameters.h (Parameters::check_target_endianness): New method
5312         declaration.
5313         * target.h (class Target): Change "endianity" to "endianness"
5314         in comments.
5315
5316 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5317
5318         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5319         * configure: Regenerate.
5320         * Makefile.in: Regenerate.
5321         * testsuite/Makefile.in: Regenerate.
5322
5323 2010-04-06  Cary Coutant  <ccoutant@google.com>
5324
5325         gcc PR lto/42757
5326         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5327         prevailing definitions of common symbols.
5328         * testsuite/plugin_test_6.sh: New test case.
5329         * testsuite/plugin_common_test_1.c: New test case.
5330         * testsuite/plugin_common_test_2.c: New test case.
5331         * testsuite/Makefile.am (plugin_test_6): New test case.
5332         * testsuite/Makefile.in: Regenerate.
5333
5334 2010-04-06  Nick Clifton  <nickc@redhat.com>
5335
5336         * po/vi.po: New Vietnamese translation.
5337
5338 2010-03-30  Doug Kwan  <dougkwan@google.com>
5339
5340         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5341
5342 2010-03-25  Doug Kwan  <dougkwan@google.com>
5343
5344         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5345         to avoid a conversion warning on a 32-bit host.
5346
5347 2010-03-24  Ian Lance Taylor  <iant@google.com>
5348
5349         * testsuite/script_test_3.t: Add a TLS segment.
5350         * testsuite/Makefile.am (check_PROGRAMS): Add
5351         tls_phdrs_script_test.
5352         (tls_phdrs_script_test_SOURCES): Define.
5353         (tls_phdrs_script_test_DEPENDENCIES): Define.
5354         (tls_phdrs_script_test_LDFLAGS): Define.
5355         (tls_phdrs_script_test_LDADD): Define.
5356         * testsuite/Makefile.in: Rebuild.
5357
5358 2010-03-23  Cary Coutant  <ccoutant@google.com>
5359
5360         * fileread.cc (find_or_make_view): Fix comment.
5361
5362 2010-03-23  Ian Lance Taylor  <iant@google.com>
5363
5364         * script-sections.cc (class Orphan_section_placement): Define
5365         PLACE_TLS and PLACE_TLS_BSS.
5366         (Orphan_section_placement::Orphan_section_placement): Initialize
5367         new places.
5368         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5369         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5370         (tls_script_test_SOURCES): Define.
5371         (tls_script_test_DEPENDENCIES): Define.
5372         (tls_script_test_LDFLAGS): Define.
5373         (tls_script_test_LDADD): Define.
5374         * testsuite/Makefile.in: Rebuild.
5375
5376 2010-03-22  Doug Kwan  <dougkwan@google.com>
5377
5378         * arm.cc (Arm_relocate_functions::abs8,
5379         Arm_relocate_functions::abs16): Use correct check for overflow
5380         specified in the ARM ELF specs.
5381         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5382         target of a BLX instruction specially.
5383         (Reloc_stub::stub_type_for_reloc): Ditto.
5384         (Relocate::relocate): Use symbolic names instead of numeric relocation
5385         codes to report error.
5386         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5387         workaround.
5388         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5389         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5390         thumb2_blx_out_of_range.stdout
5391         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5392         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5393         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5394         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5395         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5396         thumb2_blx_in_range, thumb2_blx_in_range.o,
5397         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5398         thumb2_blx_out_of_range.o): New rules.
5399         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5400         thumb2_blx_in_range and thumb2_blx_out_of_range.
5401         * testsuite/Makefile.in: Regenerate.
5402         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5403         * testsuite/thumb_blx_in_range.s: New file.
5404         * testsuite/thumb_blx_out_of_range.s: New file.
5405
5406 2010-03-22  Rafael Espindola  <espindola@google.com>
5407
5408         * archive.cc (Should_include): Move to archive.h.
5409         (should_include_member): Make it a member of Archive.
5410         (Lib_group): New.
5411         (Add_lib_group_symbols): New.
5412         * archive.h: Include options.h.
5413         (Archive_member): Moved from Archive.
5414         (Should_include): Moved from archive.cc.
5415         (Lib_group): New.
5416         (Add_lib_group_symbols): New.
5417         * dynobj.cc (do_should_include_member): New.
5418         * dynobj.h (do_should_include_member): New.
5419         * gold.cc (queue_initial_tasks): Update call to queue.
5420         * main.cc (main): Print lib group stats.
5421         * object.cc (do_should_include_member): New.
5422         * object.h: Include archive.h.
5423         (Object::should_include_member): New.
5424         (Object::do_should_include_member): New.
5425         (Sized_relobj::do_should_include_member): New.
5426         * options.cc (General_options::parse_start_lib): New.
5427         (General_options::parse_end_lib): New.
5428         (Input_arguments::add_file): Handle lib groups.
5429         (Input_arguments::start_group): Check we are not in a lib.
5430         (Input_arguments::start_lib): New.
5431         (Input_arguments::end_lib): New.
5432         * options.h (General_options): Add start_lib and end_lib.
5433         (Input_argument::lib_): New.
5434         (Input_argument::lib): New.
5435         (Input_argument::is_lib): New.
5436         (Input_file_lib): New.
5437         (Input_arguments::in_lib_): New.
5438         (Input_arguments::in_lib): New.
5439         (Input_arguments::start_lib): New.
5440         (Input_arguments::end_lib_): New.
5441         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5442         in unused members as preempted.
5443         (Sized_pluginobj::do_should_include_member): New.
5444         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5445         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5446         return the blocker.
5447         (Read_symbols::do_whole_lib_group): New.
5448         (Read_symbols::do_lib_group): New.
5449         (Read_symbols::do_read_symbols): Handle lib groups.
5450         (Read_symbols::get_name): Handle lib groups.
5451         * readsyms.h (Read_symbols): Add an archive member pointer.
5452         (Read_symbols::do_whole_lib_group): New.
5453         (Read_symbols::do_lib_group): New.
5454         (Read_symbols::member_): New.
5455         * script.cc (read_input_script): Update call to queue_soon.
5456
5457 2010-03-19  Doug Kwan  <dougkwan@google.com>
5458
5459         * arm.cc (Stub_table::Stub_table): Initialize new data members
5460         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5461         (Stub_table::add_reloc_stub): Assign stub offset and update
5462         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5463         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5464         New data members.
5465         (Stub_table::update_data_size_and_addralign): Use
5466         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5467         instead of going over all reloc stubs.
5468         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5469         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5470         Stringpool_template::offset_ to size of Stringpool_char.
5471         (Stringpool_template::new_key_offset): Remove code to initialize
5472         Stringpool_template::offset_.
5473         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5474         Stringpool_template::offset_ to zero.
5475
5476 2010-03-15  Doug Kwan  <dougkwan@google.com>
5477
5478         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5479         offset_.
5480         (Stringpool_template::new_key_offset): New method.
5481         (Stringpool_template::add_string): Assign offsets when adding new
5482         strings.
5483         (Stringpool_template::set_string_offsets): Do not set string offsets
5484         when not optimizing.
5485         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5486         member size_.
5487         (Chunked_vector::clear): Clear size_.
5488         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5489         (Chunked_vector::size): Return size_.
5490         (Chunked_vector::push_back): Use size_ to find insert position.
5491         (Chunked_vector::size_): New data member.
5492         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5493         (Stringpool_template::new_key_offset): New method declaration.
5494         (Stringpool_template::offset_): New data member.
5495
5496 2010-03-15   Rafael Espindola  <espindola@google.com>
5497
5498         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5499         Add_symbols' constructor.
5500         * readsyms.h (Add_symbols): Remove the input_group member.
5501
5502 2010-03-10  Ian Lance Taylor  <iant@google.com>
5503
5504         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5505         target to ask whether a reference to a symbol requires a stack
5506         split.
5507         * target.h (Target::is_call_to_non_split): New function.
5508         (Target::do_is_call_to_non_split): Declare virtual function.
5509         * target.cc: Include "symtab.h".
5510         (Target::do_is_call_to_non_split): New function.
5511         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5512
5513 2010-03-10  Cary Coutant  <ccoutant@google.com>
5514
5515         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5516         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5517         (File_read::open[2]): Add whole_file_view_ to list of views.
5518         (File_read::make_view): Remove test of whole_file_view_.
5519         (File_read::find_or_make_view): Create whole_file_view_ if
5520         necessary.
5521         (File_read::clear_views): Replace bool parameter with enum;
5522         adjust all callers.  Don't delete views with permanent data;
5523         do delete cached views and views from archives if
5524         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5525         if clearing the corresponding view.
5526         * fileread.h (File_read::Clear_views_mode): New enum.
5527         (File_read::View::is_permanent_view): New method.
5528         (File_read::clear_views): Replace bool parameter
5529         with enum; adjust all callers.
5530         * options.h (General_options): Change keep_files_mapped option;
5531         add map_whole_files.
5532         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5533         releasing the file.
5534         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5535         the file.
5536
5537 2010-03-10  David S. Miller  <davem@davemloft.net>
5538
5539         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5540
5541 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5542
5543         * icf.cc (get_section_contents): Add '@' marker after processing the
5544         merge reloc.
5545
5546 2010-03-08  Doug Kwan  <dougkwan@google.com>
5547
5548         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5549         due to a conversion warning.
5550         (Arm_relobj::update_output_local_symbol_count): Check for local
5551         symbol with unset output index.
5552
5553 2010-03-05  Ian Lance Taylor  <iant@google.com>
5554
5555         * options.h (class General_options): Add --spare-dynamic-tags.
5556         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5557         --spare-dynamic-tags.
5558
5559 2010-03-05  Ian Lance Taylor  <iant@google.com>
5560
5561         * incremental.cc: Include "libiberty.h".
5562
5563 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5564
5565         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5566         function, is_info_ member.
5567         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5568         (Versions::Versions): Update caller.
5569         (Versions::define_base_version): Likewise.
5570         (Versions::add_def): Likewise.
5571
5572 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5573
5574         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5575         (Scan::possible_function_pointer_reloc): New function.
5576         (Scan::local_reloc_may_be_function_pointer): Change to call
5577         possible_function_pointer_reloc.
5578         (Scan::global_reloc_may_be_function_pointer): Ditto.
5579         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5580         relocations in ".data.rel.ro._ZTV" section.
5581         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5582         * testsuite/icf_safe_so_test.cc: Ditto.
5583         * testsuite/icf_safe_test.cc: Ditto.
5584         * testsuite/icf_safe_test.sh: Ditto.
5585
5586 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5587             Ian Lance Taylor  <iant@google.com>
5588
5589         * target-reloc.h (relocate_section): Check the symbol table index
5590         for -1U before setting the local symbol index.
5591         (scan_relocatable_relocs): If copying the relocation, record that
5592         the local symbol is required.
5593         * object.h (Symbol_value::is_output_symtab_index_set): New
5594         function.
5595         (Symbol_value::may_be_discarded_from_output_symtab): New
5596         function.
5597         (Symbol_value::has_output_symtab_entry): New function.
5598         (Symbol_value::needs_output_symtab_entry): Remove.
5599         (Symbol_value::output_symtab_index): Make sure the symbol index is
5600         set.
5601         (Symbol_value::set_output_symtab_index): Make sure the symbol
5602         index is not set.  Make sure the new index is valid.
5603         (Symbol_value::set_must_have_output_symtab_entry): New function.
5604         (Symbol_value::has_output_dynsym_entry): New function.
5605         (Symbol_value::set_output_dynsym_index): Make sure the new index
5606         is valid.
5607         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5608         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5609         local symbol if permitted.
5610         (Sized_relobj::do_finalize_local_symbols): Call
5611         is_output_symtab_index_set rather than needs_output_symtab_entry.
5612         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5613         rather than needs_output_symtab_entry.  Call
5614         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5615         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5616         is_output_symtab_index_set rather than needs_output_symtab_entry.
5617         * testsuite/discard_locals_relocatable_test.c: New file.
5618         * testsuite/discard_locals_test.sh: Test -r.
5619         * testsuite/Makefile.am (check_DATA): Add
5620         discard_locals_relocatable_test1.syms,
5621         discard_local_relocatable_test2.syms.
5622         (MOSTLYCLEANFILES): Likewise.  Also add
5623         discard_locals_relocatable_test1.lout and
5624         discard_locals_relocatable_test2.out.
5625         (discard_locals_relocatable_test1.syms): New target.
5626         (discard_locals_relocatable_test.o): New target.
5627         (discard_locals_relocatable_test1.out): New target.
5628         (discard_locals_relocatable_test2.syms): New target.
5629         (discard_locals_relocatable_test2.out): New target.
5630         (various): Add missing ../ld-new dependencies.
5631         * testsuite/Makefile.in: Rebuild.
5632
5633 2010-03-03  Nick Clifton  <nickc@redhat.com>
5634
5635         * po/fi.po: New Finnish translation.
5636
5637 2010-03-01  Doug Kwan  <dougkwan@google.com>
5638
5639         * layout.cc (Layout::Layout): Force section types of .init_array*,
5640         .preinit_array* and .fini_array* sections.
5641         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5642         Fix check of return value of std::string::find.().
5643         (Output_section::Input_section_sort_compare::operator()): Remove
5644         comment about .init_array.
5645         (Output_section::Input_section_sort_init_fini_compare::operator()):
5646         New method.
5647         (Output_section::sort_attached_input_sections): Handle .init_array
5648         and .fini_array specially.
5649         * output.h (Output_section::Inut_section_sort_compare): Update
5650         comment.
5651         (Output_section::Input_section_sort_init_fini_compare): New struct.
5652
5653 2010-02-26  Doug Kwan  <dougkwan@google.com>
5654
5655         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5656         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5657         * testsuite/debug_msg.sh: Avoid matching source line number for
5658         use of global variable undef_int.
5659
5660 2010-02-26  Doug Kwan  <dougkwan@google.com>
5661
5662         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5663         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5664         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5665         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5666         * options.cc (General_options::General_options): Initialize member
5667         fix_v4bx_.
5668         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5669         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5670         and rm_no_fix_v4bx.stdout
5671         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5672         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5673         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5674         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5675         and arm_no_fix_v4bx.
5676         * Makefile.in: Regenerate.
5677         * testsuite/arm_fix_v4bx.s: New file.
5678         * testsuite/arm_fix_v4bx.sh: Ditto.
5679
5680 2010-02-24  Doug Kwan  <dougkwan@google.com>
5681
5682         * arm.cc (Target_arm::got_section): Make the .got section the first
5683         non RELRO section in the data segment.
5684         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5685         suffixes of section names.
5686
5687 2010-02-24  Doug Kwan  <dougkwan@google.com>
5688
5689         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5690         flags and attributes merging if an input file is a binary file.
5691         * fileread.cc (Input_file::open): Record format of original file.
5692         * fileread.h (Input_file::Format): New enum type.
5693         (Input_file::Input_file): Initialize data member format_.
5694         (Input_file::format): New method definition.
5695         (Input_file::format_):: New data member.
5696
5697 2010-02-24  Doug Kwan  <dougkwan@google.com>
5698
5699         * arm.cc (Arm_output_data_got): New class.
5700         (ARM_TCB_SIZE): New constant
5701         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5702         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5703         If user uses a script with a SECTIONS clause, issue only a warning
5704         for a misplaced EXIDX input section.  Otherwise, issue an error.
5705         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5706         garbage collection.
5707         (Target_arm::got_mode_index_entry): Handle static linking.
5708         (Target_arm::Scan::local): Ditto.
5709         (Target_arm::Scan::global): Ditto.
5710         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5711         all incorrectly implemented relocations.
5712         (Target_arm::fix_exidx_coverage): Pass layout to
5713         Arm_output_section::fix_exidx_coverage.
5714         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5715         from ".ARM.exidx." and ".ARM.extab.".
5716
5717 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5718
5719         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5720         section if it does not already exist.
5721         * attributes.cc (Attributes_section_data::Attributes_section_data):
5722         Don't crash if size is zero.
5723
5724 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5725             Ian Lance Taylor  <iant@google.com>
5726
5727         * gold.cc (queue_middle_tasks): If no input files were opened,
5728         exit.
5729         * workqueue.h (Task_function::Task_function): Assert that there is
5730         a blocker.
5731
5732 2010-02-22  Doug Kwan  <dougkwan@google.com>
5733
5734         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5735         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5736         types to avoid warnings due to different uint64_t implementations
5737         on different hosts.
5738
5739 2010-02-21  Doug Kwan  <dougkwan@google.com>
5740
5741         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5742         handling of the maximum backward branch offset.
5743         (Arm_relocate_functions::thumb_branch_common): Ditto.
5744         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5745         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5746         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5747         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5748         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5749         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5750         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5751         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5752         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5753         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5754         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5755         thumb2_bl_out_of_range.o): New rules.
5756         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5757         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5758         thumb2_bl_out_of_range
5759         * testsuite/Makefile.in: Regenerate.
5760         * testsuite/arm_bl_in_range.s: New file.
5761         * testsuite/arm_bl_out_of_range.s: Ditto.
5762         * testsuite/arm_branch_in_range.sh: Ditto.
5763         * testsuite/arm_branch_range.t: Ditto.
5764         * testsuite/thumb2_branch_range.t: Ditto.
5765         * testsuite/thumb_bl_in_range.s: Ditto.
5766         * testsuite/thumb_bl_out_of_range.s: Ditto.
5767         * testsuite/thumb_branch_range.t: Ditto.
5768
5769 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5770
5771         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5772         Add reloc offset information.
5773         * icf.cc (get_section_contents): Change iterators to point to the new
5774         vectors. Add reloc offset information to the contents.
5775         * icf.h (Icf::Sections_reachable_info): New typedef.
5776         (Icf::Sections_reachable_list): New typedef.
5777         (Icf::Offset_info): New typedef.
5778         (Icf::Reloc_info): New struct typedef.
5779         (Icf::Reloc_info_list): New typedef.
5780         (Icf::symbol_reloc_list): Delete method.
5781         (Icf::addend_reloc_list): Delete method.
5782         (Icf::section_reloc_list): Delete method.
5783         (Icf::reloc_info_list): New method.
5784         (Icf::reloc_info_list_): New member.
5785
5786 2010-02-19  Doug Kwan  <dougkwan@google.com>
5787
5788         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5789         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5790         * arm.cc (Arm_relocation_functions): New forward declaration.
5791         (Target_arm::Target_arm): Initialize new data members
5792         got_mod_index_offset_ and tls_base_symbol_defined_.
5793         (Target_arm::Relocate::relocate_tls): New method.
5794         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5795          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5796         New methods.
5797         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5798         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5799         (Target_arm::got_mod_index_offset_,
5800         Target_arm::tls_base_symbol_defined_): New data members.
5801         (Target_arm::Scan::local, Target::Scan::global,
5802         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5803         relocations.
5804
5805 2010-02-18  Doug Kwan  <dougkwan@google.com>
5806
5807         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5808         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5809         text section as a parameter becuase some broken tools may not set
5810         the link in section header.
5811         (Target_arm::has_got_section): New method.
5812         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5813         without any mapping symbol as data only.  Remove warning.
5814         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5815         link in its section header, try to discover the link by inspecting the
5816         REL31 relocation at the beginning of the section.
5817         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5818         in error message.
5819         (Target_arm::Scan::global): Treat any reference to the symbol
5820         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5821
5822 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5823
5824         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5825         (Scan::global_reloc_may_be_function_pointer): New function.
5826         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5827         (Scan::global_reloc_may_be_function_pointer): New function.
5828         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5829         (Scan::global_reloc_may_be_function_pointer): New function.
5830         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5831         (Scan::global_reloc_may_be_function_pointer): New function.
5832         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5833         (Scan::global_reloc_may_be_function_pointer): New function.
5834         (Scan::possible_function_pointer_reloc): New function.
5835         (Target_x86_64::can_check_for_function_pointers): New function.
5836         * gc.h (gc_process_relocs): Scan relocation types to determine if
5837         function pointers were taken for targets that support it.
5838         * icf.cc (Icf::find_identical_sections): Include functions for
5839         folding in safe ICF whose pointer is not taken.
5840         * icf.h (Secn_fptr_taken_set): New typedef.
5841         (fptr_section_id_): New member.
5842         (section_has_function_pointers): New function.
5843         (set_section_has_function_pointers): New function.
5844         (check_section_for_function_pointers): New function.
5845         * options.h: Fix comment for safe ICF option.
5846         * target.h (can_check_for_function_pointers): New function.
5847         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5848         Modify icf_safe_test for X86-64.
5849         * testsuite/Makefile.in: Regenerate.
5850         * testsuite/icf_safe_so_test.cc: New file.
5851         * testsuite/icf_safe_so_test.sh: New file.
5852         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5853         (main): Change to take pointer to function kept_func_3.
5854         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5855         folding is done correctly for X86-64.
5856
5857 2010-02-12  David S. Miller  <davem@davemloft.net>
5858
5859         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5860         is_symbolless parameter.
5861         (Output_reloc<SHT_REL>::is_symbolless): New.
5862         (Output_reloc<SHT_REL>::is_symbolless_): New.
5863         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5864         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5865         (Output_reloc<SHT_RELA>::is_symbolless): New.
5866         (Output_data_reloc::add_global): Handle is_symbolless.
5867         (Output_data_reloc::add_global_relative): Likewise.
5868         (Output_data_reloc::add_local): Likewise.
5869         (Output_data_reloc::add_local_relative): Likewise.
5870         (Output_data_reloc::add_symbolless_global_addend): New.
5871         (Output_data_reloc::add_symbolless_local_addend): New.
5872         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5873         is_symbolless.
5874         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5875         instead of ->is_relative_
5876         (Output_reloc::write): Likewise.
5877         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5878         (Output_reloc::write_rel): Simplify.
5879
5880         * sparc.cc (Target_sparc::Scan::local): Use
5881         ->add_symbolless_local_addend as needed.
5882         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5883         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5884         based upon relocation offset.
5885
5886 2010-02-11  Doug Kwan  <dougkwan@google.com>
5887
5888         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5889         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5890         beginning of function.
5891         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5892         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5893         parameter is_32bit in calls to should_apply_static_reloc.
5894         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5895         (check_DATA): Add arm_abs_global.stdout.
5896         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5897         arm_abs_global.stdout): New rules.
5898         (MOSTLLYCLEANFILES): Add arm_abs_global
5899         * Makefile.in: Regenerate.
5900         * testsuite/arm_abs_global.s: New file.
5901         * testsuite/arm_abs_global.sh: Ditto.
5902         * testsuite/arm_abs_lib.s: Ditto.
5903
5904 2010-02-11  Ian Lance Taylor  <iant@google.com>
5905
5906         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5907         Read_relocs task.
5908         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5909         Allocate_commons_task first.
5910         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5911         task, rather than symtab_lock_.
5912         (Gc_process_relocs::~Gc_process_relocs): New function.
5913         (Gc_process_relocs::is_runnable): Check this_blocker_.
5914         (Gc_process_relocs::locks): Use next_blocker_ rather than
5915         blocker_.
5916         (Scan_relocs::~Scan_relocs): New function.
5917         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5918         symtab_lock_.
5919         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5920         next_blocker_.
5921         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5922         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5923         constructor accordingly.
5924         (class Gc_process_relocs): Likewise.
5925         (class Scan_relocs): Likewise.
5926         * common.h (class Allocate_commons_task): Remove symtab_lock_
5927         field, and corresponding constructor parameter.
5928         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5929         symtab_lock_.
5930         (Allocate_commons_task::locks): Likewise.
5931
5932 2010-02-11  Ian Lance Taylor  <iant@google.com>
5933
5934         * gold-threads.h (class Once): Define.
5935         (class Initialize_lock): Rewrite as child of Once.
5936         * gold-threads.cc (class Once_initialize): Define.
5937         (once_pointer_control): New static variable.
5938         (once_pointer, once_arg): New static variables.
5939         (c_run_once): New static function.
5940         (Once::Once, Once::run_once, Once::internal_run): New functions.
5941         (class Initialize_lock_once): Remove.
5942         (initialize_lock_control): Remove.
5943         (initialize_lock_pointer): Remove.
5944         (initialize_lock_once): Remove.
5945         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5946         (Initialize_lock::initialize): Rewrite.
5947         (Initialize_lock::do_run_once): New function.
5948         * archive.cc (Archive::interpret_header): Only clear name if it is
5949         not already empty.
5950         * fileread.cc: Include "gold-threads.h"
5951         (file_counts_lock): New static variable.
5952         (file_counts_initialize_lock): Likewise.
5953         (File_read::release): Only increment counts when using --stats.
5954         Use a lock around the increment.
5955         * parameters.cc (class Set_parameters_target_once): Define.
5956         (set_parameters_target_once): New static variable.
5957         (Parameters::Parameters): Move here from parameters.h.
5958         (Parameters::set_target): Rewrite.
5959         (Parameters::set_target_once): New function.
5960         (Parameters::clear_target): Move here and rewrite.
5961         * parameters.h (class Parameters): Update declarations.  Add
5962         set_parameters_target_once_ field.
5963         (Parameters::Parameters): Move to parameters.cc.
5964         (Parameters::clear_target): Likewise.
5965         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5966         task.
5967         (Start_group::~Start_group): New function.
5968         (Start_group::is_runnable): New function.
5969         (Start_group::locks, Start_group::run): New functions.
5970         (Finish_group::run): Change saw_undefined to size_t.
5971         * readsyms.h (class Start_group): Define.
5972         (class Finish_group): Change saw_undefined_ field to size_t.
5973         (Finish_group::Finish_group): Remove saw_undefined and
5974         this_blocker parameters.  Change all callers.
5975         (Finish_group::set_saw_undefined): New function.
5976         (Finish_group::set_blocker): New function.
5977         * symtab.h (class Symbol_table): Change saw_undefined to return
5978         size_t.  Change saw_undefined_ field to size_t.
5979         * target-select.cc (Set_target_once::do_run_once): New function.
5980         (Target_selector::Target_selector): Initialize set_target_once_
5981         field.  Don't initialize lock_ and initialize_lock_ fields.
5982         (Target_selector::instantiate_target): Rewrite.
5983         (Target_selector::set_target): New function.
5984         * target-select.h (class Set_target_once): Define.
5985         (class Target_selector): Update declarations.  Make
5986         Set_target_once a friend.  Remove lock_ and initialize_lock_
5987         fields.  Add set_target_once_ field.
5988
5989 2010-02-10  Ian Lance Taylor  <iant@google.com>
5990
5991         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5992         queueing any tasks.
5993         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5994         (queue_middle_tasks): Add all blockers before queueing any tasks.
5995         (queue_final_tasks): Likewise.
5996         * token.h (Task_token::add_blockers): New function.
5997         * object.h (Input_objects::number_of_relobjs): New function.
5998
5999 2010-02-10  Ian Lance Taylor  <iant@google.com>
6000
6001         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6002         shared, not if not position independent.
6003         * x86_64.cc (Relocate::relocate_tls): Likewise.
6004         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6005         (tls_pie_pic_test): New target.
6006         * testsuite/Makefile.in: Rebuild.
6007
6008         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6009         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6010         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6011         * testsuite/Makefile.in: Rebuild.
6012
6013 2010-02-09  David S. Miller  <davem@davemloft.net>
6014
6015         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6016         R_SPARC_RELATIVE using ->add_local_relative().
6017         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6018
6019         * output.h (Output_data_dynamic::add_section_size): New method
6020         that takes two Output_data objects.
6021         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6022         entry param.  Handle it in initializers.
6023         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6024         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6025         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6026         arg.
6027         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6028         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6029         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6030         for dynrel_includes_plt.
6031         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6032         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6033         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6034         before .rela.plt
6035         (Target_sparc::do_finalize_sections): Update to pass true for
6036         dynrel_includes_plt.
6037         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6038         output before .rela.plt
6039         (Target_powerpc::do_finalize_sections): Update to pass true for
6040         dynrel_includes_plt when 32-bit.
6041
6042 2010-02-08  Doug Kwan  <dougkwan@google.com>
6043
6044         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6045         method.
6046         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6047         Arm_relobj::scan_section_for_cortex_a8_stubs,
6048         Arm_relobj::do_relocation_section): Instead of calling
6049         Output_section::output_address, use faster
6050         Arm_relobj::simple_input_section_output_address.
6051
6052 2010-02-08  David S. Miller  <davem@davemloft.net>
6053
6054         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6055         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6056         relocation helper function.
6057
6058         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6059         just like R_SPARC_GOT{10,13,22}.
6060         (Target_sparc::Scan::local): Likewise.
6061         (Target_sparc::Relocate:relocate): Likewise.
6062
6063 2010-02-06  Ian Lance Taylor  <iant@google.com>
6064
6065         * configure.ac: Rewrite targetobjs duplicate removal code to use
6066         only shell constructs.
6067         * configure: Rebuild.
6068
6069 2010-02-05  Doug Kwan  <dougkwan@google.com>
6070
6071         PR 11247
6072         * arm.cc (Arm_relobj::section_is_scannable): New method.
6073         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6074         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6075
6076 2010-02-04  Doug Kwan  <dougkwan@google.com>
6077
6078         PR 11247
6079         * arm-reloc-property.cc (cstdio): Include.
6080         * configure.ac (targetobjs): Remove duplicates.
6081         * configure: Regenerate.
6082         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6083         big and little endian version for a given address size.
6084
6085 2010-02-03  Doug Kwan  <dougkwan@google.com>
6086
6087         * arm-reloc-property.cc
6088         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6089         definition.
6090         * arm-reloc-property.h
6091         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6092         New method definition.
6093         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6094         declaration.
6095         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6096         overflow to N.
6097         (GOT_PREL): Change implemented to Y.
6098         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6099         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6100         (Arm_relocate_functions::movw_abs_nc): Remove method.
6101         (Arm_relocate_functions::movt_abs): Ditto.
6102         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6103         (Arm_relocate_functions::thm_movt_abs): Ditto.
6104         (Arm_relocate_functions::movw_rel_nc): Ditto.
6105         (Arm_relocate_functions::movw_rel): Ditto.
6106         (Arm_relocate_functions::movt_rel): Ditto.
6107         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6108         (Arm_relocate_functions:thm_movw_rel): Ditto.
6109         (Arm_relocate_functions:thm_movt_rel): Ditto.
6110         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6111         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6112         New method definitions.
6113         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6114         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6115         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6116         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6117         (Target_arm::Relocate::relocate): Check for non-static or
6118         unimplemented relocation code and exit early.  Change calls to
6119         Target_arm::reloc_uses_thumb_bit and
6120         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6121         instead.  Refactor code to handle similar relocations to increase
6122         code sharing.  Remove check for unsupported relocation code in switch
6123         statement.
6124         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6125         relocation property table to find out size.  Change error message to
6126         print out the name of a relocation code instead of the numeric value.
6127         (Target_arm::scan_reloc_for_stub): Use relocation property table
6128         instead of calling Target_arm::reloc_uses_thumb_bit().
6129
6130 2010-02-02  Doug Kwan  <dougkwan@google.com>
6131
6132         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6133         types of relaxed input section.
6134
6135 2010-02-02  Doug Kwan  <dougkwan@google.com>
6136
6137         * Makefile.am (HFILES): Add arm-reloc-property.h.
6138         (DEFFILES): New.
6139         (TARGETSOURCES): Add arm-reloc-property.cc
6140         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6141         (libgold_a_SOURCES): $(DEFFILES)
6142         * Makefile.in: Regenerate.
6143         * arm-reloc-property.cc: New file.
6144         * arm-reloc-property.h: New file.
6145         * arm-reloc.def: New file.
6146         * arm.cc: Update comments.
6147         (arm-reloc-property.h): New included header.
6148         (arm_reloc_property_table): New global variable.
6149         (Target_arm::do_select_as_default_target): New method definition.
6150         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6151         arm-reloc-property to targ_extra_obj.
6152         * parameters.cc (set_parameters_target): Call
6153         Target::select_as_default_target().
6154         * target.h (Target::select_as_default_target): New method definition.
6155         (Target::do_select_as_default_target): Same.
6156
6157 2010-02-01  Doug Kwan  <dougkwan@google.com>
6158
6159         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6160         first_output_text_section_.
6161         (Arm_exidx_fixup::first_output_text_section): New method definition.
6162         (Arm_exidx_fixup::first_output_text_section_): New data member.
6163         (Arm_exidx_fixup::process_exidx_section): Record the first text
6164         output section seen.
6165         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6166         and entsize in output section header.
6167
6168 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6169
6170         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6171         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6172         (Arm_relocate_functions::thm_alu11): New Method.
6173         (Arm_relocate_functions::thm_pc8): New Method.
6174         (Arm_relocate_functions::thm_pc12): New Method.
6175         (Target_arm::Scan::local): Handle the relocations.
6176         (Target_arm::Scan::global): Likewise.
6177         (Target_arm::Relocate::relocate): Likewise.
6178         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6179
6180 2010-01-29  Doug Kwan  <dougkwan@google.com>
6181
6182         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6183         of relocation types as ld.
6184
6185 2010-01-29  Doug Kwan  <dougkwan@google.com>
6186
6187         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6188         to public.
6189         (Arm_relocate_functions::thumb_branch_common): Ditto.
6190         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6191         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6192         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6193         Arm_relocate_functions::jump24): Remove.
6194         (Target_arm::Relocate::relocate): Adjust code to call
6195         Arm_relocation_functions::arm_branch_common and
6196         Arm_relocation_functions::thumb_branch_common instead of their removed
6197         wrappers.  Merge switch-cases together to reduce source code size.
6198
6199 2010-01-29  Doug Kwan  <dougkwan@google.com>
6200
6201         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6202         output_local_symbol_count_needs_update_.
6203         (Arm_relobj::output_local_symbol_count_needs_update,
6204          Arm_relobj::set_output_local_symbol_count_needs_update,
6205          Arm_relobj::update_output_local_symbol_count): New methods.
6206         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6207         member.
6208         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6209         of pointed function as in a R_ARM_PREL31 relocation.
6210         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6211         for output local symbol count updating.
6212         (Target_arm::do_relax): Update output local symbol counts in objects
6213         if necessary.
6214         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6215
6216 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6217
6218         * arm.cc: Added support for the ARM relocations:
6219         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6220         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6221         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6222         movw_prel_nc).
6223         (Arm_relocate_functions::movw_rel): New method.
6224         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6225         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6226         thm_movw_prel_nc).
6227         (Arm_relocate_functions::thm_movw_rel): New method.
6228         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6229         thm_movt_prel).
6230         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6231         relocations.
6232         (Target_arm::Scan::global): Likewise.
6233         (Target_arm::Relocate::relocate): Likewise.
6234         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6235         Likewise.
6236
6237 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6238
6239         * arm.cc: Added support for ARM group relocations.
6240         (Target_arm::reloc_needs_sym_origin): New method.
6241         (Arm_relocate_functions::calc_grp_kn): New method.
6242         (Arm_relocate_functions::calc_grp_residual): New method.
6243         (Arm_relocate_functions::calc_grp_gn): New method.
6244         (Arm_relocate_functions::arm_grp_alu): New Method.
6245         (Arm_relocate_functions::arm_grp_ldr): New Method.
6246         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6247         (Arm_relocate_functions::arm_grp_ldc): New Method.
6248         (Target_arm::Scan::local): Handle the ARM group relocations.
6249         (Target_arm::Scan::global): Likewise.
6250         (Target_arm::Relocate::relocate): Likewise.
6251         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6252         Likewise.
6253
6254 2010-01-26  Doug Kwan  <dougkwan@google.com>
6255
6256         * arm.cc (set): Include.
6257         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6258         pointer type.
6259         (Arm_output_section::Text_section_list): New type.
6260         (Arm_output_section::append_text_sections_to_list): New method.
6261         (Arm_output_section::fix_exidx_coverage): Ditto.
6262         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6263         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6264         Relobj::set_section_offset() instead of
6265         Sized_relobj::invalidate_section_offset().
6266         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6267         parameter for section headers. Ignore relocation sections for
6268         unallocated sections and EXIDX sections.
6269         (Target_arm::fix_exidx_coverage): New method.
6270         (Target_arm::output_section_address_less_than): New type.
6271         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6272         linked text section instead of the EXIDX section.
6273         (Arm_output_section::create_stub_group): Add an assertion to check
6274         that this is not an EXIDX output section.
6275         (Arm_output_section::append_text_sections_to_list): New method.
6276         (Arm_output_section::fix_exidx_coverage): Ditto.
6277         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6278         Arm_relobj::section_needs_reloc_stub_scanning.
6279         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6280         first pass.
6281         (Target_arm::fix_exidx_coverage): New method.
6282         * object.h (Relobj::set_output_section): New method.
6283         (Sized_relobj::invalidate_section_offset): Remove method.
6284         (Sized_relobj::do_invalidate_section_offset): Remove method.
6285         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6286
6287 2010-01-25  Doug Kwan  <dougkwan@google.com>
6288
6289         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6290         Fix warning due to signed and unsigned comparison on a 32-bit host.
6291
6292 2010-01-22  Doug Kwan  <dougkwan@google.com>
6293
6294         * arm.cc (Target_arm::do_relax): Record an output section for section
6295         offset adjustment it contains any stub table that has changed.
6296         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6297         offsets in an output section if necessary.
6298         * output.cc (Output_section::Output_section): Initialize
6299         section_offsets_need_adjustments_.
6300         (Output_section::add_input_section_for_script): Renamed to
6301         Output_section::add_simple_input_section.
6302         (Output_section::save_states): Add a comment.
6303         (Output_section::discard_states): New method defintion.
6304         (Output_section::adjust_section_offsets): Same.
6305         * output.h (Output_section::add_input_section_for_script): Renamed to
6306         Output_section::add_simple_input_section.
6307         (Output_section::discard_states): New method declaration.
6308         (Output_section::adjust_section_offsets): Same.
6309         (Output_section::section_offsets_need_adjustment,
6310         Output_section::set_section_offsets_need_adjustment): New method
6311         definitions.
6312         (Output_section::section_offsets_need_adjustment_): New data member.
6313         * script-sections.cc
6314         (Output_section_element_input::set_section_address): Adjust code for
6315         renaming of Output_section::add_input_section_for_script.
6316         (Orphan_output_section::set_section_address): Same.
6317
6318 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6319
6320         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6321         Fix_v4bx enum values .
6322         * gold/options.h (General_options): New option definitions.
6323         (General_options::fix_v4bx): New method.
6324         (General_options::Fix_v4bx): New enum.
6325         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6326         (General_options::parse_fix_v4bx_interworking): New method.
6327
6328 2010-01-22  Doug Kwan  <dougkwan@google.com>
6329
6330         * arm.cc (Arm_exidx_fixup): New class.
6331
6332 2010-01-21  Doug Kwan  <dougkwan@google.com>
6333
6334         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6335         classes.
6336         (Arm_exidx_section_offset_map): New type.
6337
6338 2010-01-21  Doug Kwan  <dougkwan@google.com>
6339
6340         * arm.cc (Arm_exidx_input_section): New class.
6341         (Arm_relobj::exidx_input_section_by_link,
6342         Arm_relobj::exidx_input_section_by_shndx,
6343         Arm_relobj::make_exidx_input_section): New methods.
6344         (read_arm_attributes_section): Remove.
6345         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6346         information about them.
6347         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6348         to here.
6349
6350 2010-01-20  Doug Kwan  <dougkwan@google.com>
6351
6352         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6353         Input_section_specifier to Section_id.
6354         (Target_arm::new_arm_input_section: Adjust code for change of key
6355         type.
6356         (Target_arm::find_arm_input_section): Ditto.
6357         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6358         (Section_id): Remove.
6359         (Garbage_collection::Section_id_hash): Remove.
6360         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6361         (Section_id): Remove.
6362         (Icf::Section_id_hash): Remove.
6363         * object.h (Section_id, Const_section_id, Section_id_hash,
6364         Const_section_id_hash): New type definitions.
6365         * output.cc (Output_section::add_relaxed_input_section): Change to
6366         use Const_section_id instead of Input_section_specifier as key type.
6367         (Output_section::add_merge_input_section): Ditto.
6368         (Output_section::build_relaxation_map): Change to use Section_id
6369         instead of Input_section_specifier as key type.
6370         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6371         Ditto.
6372         (Output_section::convert_input_sections_to_relaxed_sections): Change
6373         to use Const_section_id instead of Input_section_specifier as key type.
6374         (Output_section::find_merge_section): Ditto.
6375         (Output_section::find_relaxed_input_section): Ditto.
6376         * output.h (Input_section_specifier): Remove class.
6377         (Output_section::Output_section_data_by_input_section_map): Change
6378         key type to Const_section_id.
6379         (Output_section::Output_relaxed_input_section_by_input_section_map):
6380         Ditto.
6381         (Output_section::Relaxation_map): Change key type to Section_id.
6382
6383 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6384
6385         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6386         (class Arm_v4bx_stub): New class.
6387         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6388         (Stub_factory::make_arm_v4bx_stub): New method.
6389         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6390         (Stub_table::empty): Handle v4bx stubs.
6391         (Stub_table::add_arm_v4bx_stub): New method.
6392         (Stub_table::find_arm_v4bx_stub): New method.
6393         (Arm_relocate_functions::v4bx): New method.
6394         (Target_arm::fix_v4bx): New method.
6395         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6396         (Stub_table::relocate_stubs): Likewise.
6397         (Stub_table::do_write): Likewise.
6398         (Stub_table::update_data_size_and_addralign): Likewise.
6399         (Stub_table::finalize_stubs):  Likewise.
6400         (Target_arm::Scan::local): Likewise.
6401         (Target_arm::Scan::global): Likewise.
6402         (Target_arm::do_finalize_sections): Likewise.
6403         (Target_arm::Relocate::relocate): Likewise.
6404         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6405         Likewise.
6406         (Target_arm::scan_reloc_for_stub): Likewise.
6407         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6408
6409 2010-01-19  Ian Lance Taylor  <iant@google.com>
6410
6411         * output.cc (Output_section_headers::do_sized_write): Write large
6412         segment count to sh_info field.
6413         (Output_file_header::do_sized_write): For large segment count,
6414         write PN_XNUM to e_phnum field.
6415
6416 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6417
6418         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6419         (Arm_relocate_functions::thm_jump8): New function.
6420         (Arm_relocate_functions::thm_jump11): New function.
6421         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6422         R_ARM_THM_JUMP11.
6423         (Target_arm::Scan::global): Likewise.
6424         (Target_arm::Relocate::relocate): Likewise.
6425         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6426         Likewise.
6427
6428 2010-01-14  Doug Kwan  <dougkwan@google.com>
6429
6430         * arm.cc (map, utility): Include headers.
6431         (Target_arm::apply_cortex_a8_workaround): New method.
6432         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6433         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6434         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6435         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6436         the --[no-]fix-cortex-a8 command line options.
6437         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6438         (Target_arm::relocate_stub): Use addend in instruction template.
6439         * options.h (DEFINE_bool): Set the user-set flag.
6440         (General_options): Add --[no-]-fix-cortex options.
6441         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6442         : Update fast look-up map after conversion.
6443
6444 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6445
6446         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6447         in the first pass of do_layout.
6448
6449 2010-01-13  Doug Kwan  <dougkwan@google.com>
6450
6451         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6452         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6453         apparent compiler problem of not folding static constant integral
6454         data members of elfcpp::Elf_sizes<32>.
6455
6456 2010-01-13  Doug Kwan  <dougkwan@google.com>
6457
6458         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6459         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6460         Arm_relobj::scan_section_for_cortex_a8_erratum,
6461         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6462         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6463         sections to scan for relocation stubs into a new method
6464         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6465         relocation and Cortex-A8 stub scanning.
6466         (Target_arm::do_relax): Force stubs to be after stubbed sections
6467         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6468         the beginning of a new relaxation pass.  Update a comment.
6469         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6470
6471 2010-01-12  Ian Lance Taylor  <iant@google.com>
6472
6473         * target-reloc.h (visibility_error): New inline function.
6474         (relocate_section): Call visibility_error.
6475         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6476         (MOSTLYCLEANFILES): Likewise.
6477         (protected_4_pic.o, protected_3.err): New targets.
6478         * testsuite/protected_4.cc: New file.
6479
6480 2010-01-12  Doug Kwan  <dougkwan@google.com>
6481
6482         * arm.cc (Cortex_a8_reloc): New class.
6483         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6484         and cortex_a8_relocs_info_.
6485         (Target_arm::fix_cortex_a8): New method definition.
6486         (Target_arm::Cortex_a8_relocs_info): New type.
6487         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6488         New data member declarations.
6489         (Target_arm::scan_reloc_for_stub): Record information about
6490         relocations for THUMB branches that might be exempted from the
6491         Cortex-A8 workaround.
6492         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6493         at the beginning of a relaxation pass.
6494
6495 2010-01-12  Doug Kwan  <dougkwan@google.com>
6496
6497         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6498         (Arm_relobj::Mapping_symbol_position,
6499          Arm_reloj::Mapping_symbol_position_less,
6500          Arm_relobj::Mapping_symbols_info): New types.
6501         (Target_arm::is_mapping_symbol_name): New method definition.
6502         (Arm_relobj::do_count_local_symbols): Save information about mapping
6503         symbols.
6504
6505 2010-01-11  Doug Kwan  <dougkwan@google.com>
6506
6507         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6508         Arm_relocate_functions::thumb32_branch_upper,
6509         Arm_relocate_functions::thumb32_branch_lower,
6510         Arm_relocate_functions::thumb32_cond_branch_offset,
6511         Arm_relocate_functions::thumb32_cond_branch_upper,
6512         Arm_relocate_functions::thumb32_cond_branch_lower,
6513         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6514         branch offset encoding.
6515         (Arm_relocate_functions::thumb_branch_common): Use new branch
6516         offset encoding methods to avoid code duplication.
6517         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6518         (Stub_addend_reader::operator()): Use new branch encoding method
6519         to avoid code duplication.
6520
6521 2010-01-11  Doug Kwan  <dougkwan@google.com>
6522
6523         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6524         (Target_arm::do_finalize_sections): Define special EXIDX section
6525         symbols only if referenced.
6526         * gc.h (Garbage_collection::add_reference): New method.
6527         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6528         code duplication.
6529
6530 2010-01-11  Ian Lance Taylor  <iant@google.com>
6531
6532         * script.cc (Version_script_info::build_expression_list_lookup):
6533         Change complaing about duplicate wildcard match from error to
6534         warning.
6535
6536         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6537         of 2009-12-30.
6538         (Version_script_info::Version_script_info): Initialize globs_,
6539         default_version_, default_is_global_, and exact_.  Don't
6540         initialize globals_ or locals_.
6541         (Version_script_info::build_lookup_tables): Build local symbols
6542         first.
6543         (Version_script_info::unquote): New function.
6544         (Version_script_info::add_exact_match): New function.
6545         (Version_script_info::build_expression_list_lookup): Remove lookup
6546         parameter.  Add is_global parameter.  Change all callers.  Handle
6547         wildcard pattern specially.  Unquote pattern.  Call
6548         add_exact_match.
6549         (Version_script_info::get_name_to_match): New function.
6550         (Version_script_info::get_symbol_version): New function.
6551         (Version_script_info::get_symbol_version_helper): Remove.
6552         (Version_script_info::check_unmatched_names): Call unquote.
6553         * script.h (class Version_script_info): Change get_symbol_version
6554         to be non-inline and add is_global parameter; change all callers.
6555         Rewrite symbol_is_local.  Update declarations.  Define struct
6556         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6557         Remove globals_ and locals_ members.  Add exact_, globs_,
6558         default_version_, is_global_.
6559         (Version_script_info::Glob): Remove pattern, add expression and
6560         is_global.  Update constructor.  Change all callers.
6561         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6562         default version.
6563         (Versions::symbol_section_contents): If a symbol is undefined, or
6564         defined in a dynamic object, set the version index to
6565         VER_NDX_LOCAL.
6566         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6567         symbol_is_local.
6568         (Symbol_table::add_from_pluginobj): Likewise.
6569         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6570
6571 2010-01-11  Doug Kwan  <dougkwan@google.com>
6572
6573         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6574         (incremental_dump_LDADD): Add linking option for libintl.
6575         * Makefile.in: Regenerate.
6576
6577 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6578
6579         PR gold/11144
6580         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6581         instead of -Ds.
6582         * testsuite/Makefile.in: Regenerated.
6583
6584 2010-01-10  Doug Kwan  <dougkwan@google.com>
6585
6586         * options.h (DEFINE_var): Use parentheses around argument varname__
6587         in macro body to avoid any unintended subsequent substitutions.
6588
6589 2010-01-10  Ian Lance Taylor  <iant@google.com>
6590
6591         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6592         candidates before doing symbol resolution.
6593
6594         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6595         ODR candidates if only one is weak.
6596
6597 2010-01-08  Ian Lance Taylor  <iant@google.com>
6598
6599         * script.cc (Version_script_info::build_expression_list_lookup):
6600         Don't warn about ambiguous version, just record the ambiguity.
6601         (Version_script_info::get_symbol_version_helper): Give error if
6602         version is ambiguous.
6603
6604 2010-01-08  Doug Kwan  <dougkwan@google.com>
6605
6606         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6607           prev_data_size_ and prev_addralign_.  Remove initializer for
6608           deleted data member has_been_changed_.
6609           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6610           to determine if the table is empty.
6611           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6612           Remove.
6613           (Stub_table::add_reloc_stub): Define method in class definition
6614           instead of just declaring it there.
6615           (Stub_table::add_cortex_a8_stub): New method definition.
6616           (Stub_table::update_data_size_and_addralign): Ditto.
6617           (Stub_table::finalize_stubs): Ditto.
6618           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6619           (Stub_table::do_addralign_): Return address alignment in the
6620           (Stub_table::do_reset_address_and_file_offset): Define method in
6621           class definition instead of declaring it there.  Set current data
6622           size to be the data size of the previous pass.
6623           (Stub_table::set_final_data_size): Use current data size as the
6624           final data size.
6625           (Stub_table::relocate_stub): Change parameter type of stub from
6626           Reloc_stub pointer to Stub pointer.
6627           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6628           (Stub_table::Cortex_a8_stub_list): New typedef.
6629           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6630            Stub_table::prev_addralign_): New data member.
6631           (Arm_relobj::Arm_relobj): Initialize data member
6632           section_has_cortex_a8_workaround_.
6633           (Arm_relobj::section_has_cortex_a8_workaround,
6634            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6635            definitions.
6636           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6637           declarations.
6638           (Target_arm::relocate_stub): Change parameter type of stub from
6639           Reloc_stub pointer to Stub pointer.
6640           (Insn_template::size, Insn_template::alignment): Handle
6641           THUMB16_SPECIAL_TYPE.
6642           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6643            Stub_table::update_data_size_and_addralign,
6644            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6645           definitions.
6646           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6647           (Stub_table::do_write): Ditto.
6648           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6649
6650 2010-01-08  Ian Lance Taylor  <iant@google.com>
6651
6652         PR 11108
6653         * symtab.h (class Symbol): Remove fields is_target_special_ and
6654         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6655         (Symbol::is_defined_in_discarded_section): New function.
6656         (Symbol::set_is_defined_in_discarded_section): New function.
6657         (Symbol::has_plt_offset): Rewrite.
6658         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6659         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6660         Don't initialize is_target_special_ or has_plt_offset_.
6661         Initialize is_defined_in_discarded_section_.
6662         (Symbol_table::add_from_relobj): If appropriate, set
6663         is_defined_in_discarded_section.
6664         * resolve.cc (Symbol::override_base_with_special): Don't test
6665         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6666         * target-reloc.h (relocate_section): Do special handling for
6667         symbols defined in discarded sections for global symbols as well
6668         as local symbols.
6669
6670 2010-01-08  Ian Lance Taylor  <iant@google.com>
6671
6672         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6673         the SHT_SYMTAB case.
6674
6675 2010-01-08  Ian Lance Taylor  <iant@google.com>
6676
6677         * object.cc (Sized_relobj::do_layout): Don't get confused if
6678         layout_eh_frame returns NULL.
6679
6680 2010-01-08  Ian Lance Taylor  <iant@google.com>
6681
6682         PR 11084
6683         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6684         dynamic symbol table, use the normal symbol table.
6685         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6686         symbol table.
6687
6688 2010-01-08  Ian Lance Taylor  <iant@google.com>
6689
6690         PR 11072
6691         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6692         sections.
6693
6694 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6695
6696         * version.cc (print_version): Change to "Copyright 2010".
6697
6698 2010-01-08  Ian Lance Taylor  <iant@google.com>
6699
6700         PR 10287
6701         PR 11063
6702         * i386.cc (class Target_i386): Change return type of plt_section
6703         to be non-const.
6704         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6705         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6706         tls_desc_rel_ field.
6707         (Output_data_plt_i386::rel_tls_desc): New function.
6708         (Target_i386::rel_tls_desc_section): New function.
6709         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6710         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6711         R_386_TLS_DESC reloc in rel_tls_desc_section.
6712         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6713         Define struct Tlsdesc_info.
6714         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6715         (Target_x86_64::do_reloc_symbol_index): New function.
6716         (Target_x86_64::add_tlsdesc_info): New function.
6717         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6718         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6719         tlsdesc_rel_ field.
6720         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6721         all callers.
6722         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6723         (Target_x86_64::rela_tlsdesc_section): New function.
6724         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6725         handling.
6726         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6727         (Target_x86_64::do_reloc_addend): New function.
6728         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6729         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6730         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6731         (Output_reloc::type): New function.
6732         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6733         (Output_reloc::is_target_specific): New function.
6734         (Output_reloc::target_arg): New function.
6735         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6736         absolute relocs and target specific relocs.
6737         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6738         add_target_specific.
6739         (class Output_data_reloc) [SHT_RELA]: Likewise.
6740         * output.cc (Output_reloc::Output_reloc): Add four new versions
6741         for absolute relocs and target specific relocs.
6742         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6743         (Output_reloc::get_symbol_index): Likewise.
6744         (Output_reloc::local_section_offset): Check that local_sym_index_
6745         is not TARGET_CODE or 0.
6746         (Output_reloc::symbol_value): Likewise.
6747         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6748         reloc.
6749         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6750         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6751         functions.
6752         * layout.cc (add_target_dynamic_tags): Use output section for
6753         DT_PLTRELSZ and DT_JMPREL.
6754
6755 2010-01-07  Ian Lance Taylor  <iant@google.com>
6756
6757         PR 11061
6758         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6759         function.
6760         (class Output_data_reloc_generic): Define.
6761         (class Output_data_reloc_base): Change base class to
6762         Output_data_reloc_generic.  Change add() method to call
6763         bump_relative_reloc_count for a relative reloc.  Remove
6764         sort_relocs_ field.
6765         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6766         to sort_relocs().
6767         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6768         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6769         appropriate.
6770         * layout.h (class Layout): Update declaration.
6771
6772 2010-01-07  Ian Lance Taylor  <iant@google.com>
6773
6774         * output.h (class Output_data): Add const version of
6775         output_section and do_output_section.
6776         (class Output_section_data): Add const version of
6777         do_output_section.
6778         (class Output_section): Likewise.
6779         * layout.cc (Layout::add_target_dynamic_tags): New function.
6780         * layout.h (class Layout): Update declarations.
6781         * arm.cc (Target_arm::do_finalize_sections): Use
6782         add_target_dynamic_tags.
6783         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6784         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6785         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6786         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6787
6788 2010-01-07  Ian Lance Taylor  <iant@google.com>
6789
6790         PR 11042
6791         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6792         object as needed.
6793
6794 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6795             Ian Lance Taylor  <iant@google.com>
6796
6797         PR 11019
6798         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6799         Xindex::read_symtab_xindex.
6800
6801 2010-01-07  Doug Kwan  <dougkwan@google.com>
6802
6803         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6804         (Insn_template::thumb16_bcond_insn): New method declaration.
6805         (Insn_template): Fix spelling.
6806         (Stub::thumb16_special): New method declaration.
6807         (Stub::do_write): Define virtual method which was previously pure
6808         virtual.
6809         (Stub::do_thumb16_special): New method declaration.
6810         (Stub::do_fixed_endian_write): New template member.
6811         (Reloc_stub::do_write): Remove.
6812         (Reloc_stub::do_fixed_endian_write): Remove.
6813         (Cortex_a8_stub): New class definition.
6814         (Stub_factory::make_cortex_a8_stub): New method definition.
6815         (Stub_factory::Stub_factory): Add missing static storage class
6816         qualifier for elf32_arm_stub_a8_veneer_blx.
6817
6818 2010-01-07  Ian Lance Taylor  <iant@google.com>
6819
6820         PR 10980
6821         * options.h (class General_options): Add --warn-unresolved-symbols
6822         and --error-unresolved-symbols.
6823         * errors.cc (Errors::undefined_symbol): Implement
6824         --warn-unresolved-symbols.
6825
6826         * options.h (class General_options): Add -z text and -z textoff.
6827         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6828
6829 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6830
6831         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6832         (Garbage_collection::cident_sections): New function.
6833         (Garbage_collection::add_cident_section): New function.
6834         (Garbage_collection::cident_sections_): New member.
6835         (gc_process_relocs): Add references to sections whose names are C
6836         identifiers.
6837         * gold.h (cident_section_start_prefix): New constant.
6838         (cident_section_stop_prefix): New constant.
6839         (is_cident): New function.
6840         * layout.cc (Layout::define_section_symbols): Replace string constants
6841         with the newly defined constants.
6842         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6843         C identifiers.
6844         * testsuite/Makefile.am: Add gc_orphan_section_test.
6845         * testsuite/Makefile.in: Regenerate.
6846         * testsuite/gc_orphan_section_test.cc: New file.
6847         * testsuite/gc_orphan_section_test.sh: New file.
6848
6849 2010-01-06  Ian Lance Taylor  <iant@google.com>
6850
6851         PR 10980
6852         * options.h (class General_options): Add --warn-shared-textrel.
6853         * layout.cc (Layout::finish_dynamic_section): Implement
6854         --warn-shared-textrel.
6855
6856         PR 10980
6857         * options.h (class General_options): Add --warn-multiple-gp.
6858
6859 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6860
6861         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6862         $(THREADSLIB) and $(LIBDL).
6863         * Makefile.in: Rebuild.
6864
6865 2010-01-06  Ian Lance Taylor  <iant@google.com>
6866
6867         PR 10980
6868         * options.cc (General_options::parse_section_start): New function.
6869         (General_options::section_start): New function.
6870         (General_options::General_options): Initialize all members.
6871         * options.h: Include <map>
6872         (class General_options): Add --section-start.  Add section_starts_
6873         member.
6874         * layout.cc (Layout::attach_allocated_section_to_segment): If
6875         --section-start was used, set the address of the segment.  Remove
6876         local sort_sections.
6877         (Layout::relaxation_loop_body): If the address of the load segment
6878         has been set by --section-start, don't use it.
6879         * output.h (Output_segment::update_flags_for_output_section): New
6880         function.
6881         * output.cc (Output_segment::add_output_section): Call
6882         update_flags_for_output_section.
6883
6884 2010-01-05  Ian Lance Taylor  <iant@google.com>
6885
6886         PR 10980
6887         * options.h (class General_options): Add --undefined-version.
6888         * script.cc (struct Version_expression): Add was_matched_by_symbol
6889         field.
6890         (Version_script_info::matched_symbol): New function.
6891         (Version_script_info::get_symbol_version_helper): Call
6892         matched_symbol.
6893         (Version_script_info::check_unmatched_names): New function.
6894         * script.h (class Version_script_info): Update declarations.
6895         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6896
6897         * options.h (class General_options): Use DEFINE_bool_alias for
6898         allow_multiple_definition.
6899         * resolve.cc (Symbol_table::should_override): Don't test
6900         allow_multiple_definition.
6901
6902         PR 10980
6903         * options.h (class General_options): Add --cref.
6904         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6905         until after printing cref table.
6906         * cref.cc: Include "symtab.h".
6907         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6908         (Cref_table_compare::operator()): New function.
6909         (Cref_inputs::gather_cref): New function.
6910         (filecol): New static const.
6911         (Cref_inputs::print_cref): New function.
6912         (Cref::print_cref): New function.
6913         * cref.h: Include <cstdio>.
6914         (class Cref): Update declarations.
6915         * mapfile.h (Mapfile::file): New function.
6916         * object.h (class Object): Define Symbols.  Declare virtual
6917         do_get_global_symbols.
6918         (Object::get_global_symbols): New function.
6919         * object.cc (Input_objects::add_object): Pass object to cref_ if
6920         --cref.
6921         (Input_objects::archive_start): Likewise.
6922         (Input_objects::archive_stop): Likewise.
6923         (Input_objects::print_cref): New function.
6924         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6925         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6926         --cref.
6927         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6928         function.
6929         * plugin.h (class Sized_pluginobj): Update declarations.
6930
6931 2010-01-05  Ian Lance Taylor  <iant@google.com>
6932
6933         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6934         to is_default_version.  Rename insdef to insdefault.
6935         (Symbol_table::add_from_relobj): Rename def to is_default_version
6936         and local to is_forced_local.
6937         (Symbol_table::add_from_pluginobj): Likewise.
6938         (Symbol_table::add_from_dynobj): Likewise.
6939         (Symbol_table::define_special_symbol): Rename insdef to
6940         insdefault.
6941
6942 2010-01-04  Ian Lance Taylor  <iant@google.com>
6943
6944         PR 10980
6945         * options.h (class General_options): Add
6946         --allow-multiple-definition and -z muldefs.
6947         * resolve.cc (Symbol_table::should_override): Don't warn about a
6948         multiple symbol definition if --allow-multiple-definition or -z
6949         muldefs.
6950
6951         PR 10980
6952         * options.h (class General_options): Add --add-needed and
6953         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6954         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6955         error if --copy-dt-needed-entries aka --add-needed is used and
6956         would cause a change in behaviour.
6957
6958         PR 10980
6959         * options.h (class General_options): Add -G as a short version of
6960         --shared.  Add no-op options -assert, -g, and -i.
6961
6962 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6963
6964         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6965         check for .text or .gnu.linkonce.t sections.
6966         * icf.cc (Icf::find_identical_sections): Ditto.
6967         Change the detection for mangled function name within the section
6968         name.
6969         * icf.h (is_section_foldable_candidate): New function.
6970
6971 2009-12-30  Ian Lance Taylor  <iant@google.com>
6972
6973         PR 10980
6974         * options.h (class General_options): Permit two dashes with
6975         --retain-symbols-file.
6976
6977 2009-12-30  Ian Lance Taylor  <iant@google.com>
6978
6979         PR 10979
6980         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6981         don't put the file header and segment headers in the text
6982         segment.
6983
6984         PR 10979
6985         * common.cc (Sort_commons::operator()): Stabilize sort when both
6986         entries are NULL.
6987         (Symbol_table::do_allocate_commons_list): When allocating common
6988         symbols, skip a symbol which is no longer common.
6989         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6990         an object before checking its type.
6991         * testsuite/common_test_2.c: New file.
6992         * testsuite/common_test_3.c: New file.
6993         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6994         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6995         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6996         (common_test_2_pic.o, common_test_2.so): New targets.
6997         (common_test_3_pic.o, common_test_3.so): New targets.
6998         * testsuite/Makefile.in: Rebuild.
6999
7000         PR 10979
7001         * script.cc (read_input_script): If we see a new SECTIONS clause,
7002         and we have added an input section, give an error.
7003         * layout.h (class Layout): Add have_added_input_section function.
7004         Add have_added_input_section_ field.
7005         * layout.cc (Layout::Layout): Initialize
7006         have_added_input_section_.
7007         (Layout::layout): Set have_added_input_section_.
7008         (Layout::layout_eh_frame): Likewise.
7009
7010 2009-12-30  Ian Lance Taylor  <iant@google.com>
7011
7012         PR 10931
7013         * options.h (class General_options): Add --sort-common option.
7014         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7015         * common.cc (Sort_common): Add sort_order parameter to
7016         constructor.  Add sort_order_ field.
7017         (Sort_commons::operator): Check sort_order_.
7018         (Symbol_table::allocate_commons): Determine the sort order.
7019         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7020         Change all callers.
7021         (Symbol_table::do_allocate_commons_list): Likewise.
7022
7023 2009-12-30  Ian Lance Taylor  <iant@google.com>
7024
7025         PR 10916
7026         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7027         symbols from this object, don't change the visibility of an
7028         undefined symbol.
7029         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7030
7031 2009-12-30  Ian Lance Taylor  <iant@google.com>
7032
7033         PR 10861
7034         * script.h (class Version_script_info): Define Language enum.
7035         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7036         new fields globals_, locals_, and is_finalized_.
7037         * script.cc: Various formatting fixes.
7038         (class Parser_closure): Change language_stack_ from a vector of
7039         std::string to one of Version_script_info::Language.  Adjust all
7040         uses accordingly.
7041         (class Lazy_demangler): Remove.
7042         (struct Version_expression): Change language from std::string to
7043         Version_script_info::Language.
7044         (Version_script_info::Version_script_info): New function.
7045         (Version_script_info::~Version_script_info): Don't call clear.
7046         (Version_script_info::finalize): New function.
7047         (Version_script_info::build_lookup_tables): New function.
7048         (Version_script_info::build_expression_list_lookup): New
7049         function.
7050         (Version_script_info::get_symbol_version_helper): Rewrite to use
7051         lookup tables.
7052         (Version_script_info::print_expression_list): Adjust to use
7053         Version_script_info::Language.
7054         (script_push_lex_into_version_mode): Check that the version script
7055         has not been finalized.
7056         (version_script_push_lang): Change language string to
7057         Version_script_info::Language.
7058         * options.cc (Command_line::version_script): New function.
7059         * options.h (class General_options): Add finalize_dynamic_list
7060         function.  Change version_script from declaration to definition.
7061         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7062         * testsuite/version_script.map: Remove duplicate def of foo.
7063         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7064         version_script.map.
7065         * testsuite/Makefile.in: Rebuild.
7066
7067 2009-12-30  Ian Lance Taylor  <iant@google.com>
7068
7069         PR 10843
7070         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7071         if the input symbol index is 0, make the output symbol index 0.
7072
7073 2009-12-30  Ian Lance Taylor  <iant@google.com>
7074
7075         PR 10670
7076         * options.h (class General_options): Add -x/--discard-all.
7077         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7078         --discard-all.  If the local symbol needs a dynamic entry, check
7079         that before handling --discard-locals.
7080
7081 2009-12-30  Ian Lance Taylor  <iant@google.com>
7082
7083         PR 10450
7084         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7085         flags to PF_R.
7086         (Output_segment::add_output_section): Don't change the flags if
7087         the type is PT_TLS.
7088
7089         PR 10450
7090         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7091         GNU hash table if they need a dynamic value.  Otherwise, don't add
7092         them if they are defined in a dynamic object or are forced local.
7093
7094 2009-12-29  Ian Lance Taylor  <iant@google.com>
7095
7096         PR 10450
7097         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7098         .gnu.hash table for a 32-bit target.
7099
7100         PR 10450
7101         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7102         regular and a dynamic object only needs a dynamic symbol table
7103         entry if it is externally visible.
7104
7105         PR 10450
7106         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7107         constructor.  Add global_offset_table_ field.
7108         (Target_i386::got_section): Set global_offset_table_.
7109         (Target_i386::do_finalize_sections): Set global_offset_table_
7110         size.
7111         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7112         in constructor.  Add global_offset_table_ field.
7113         (Target_x86_64::got_section): Set global_offset_table_.
7114         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7115         size.
7116
7117         * layout.cc (Layout::Layout): Initialize increase_relro_.
7118         (Layout::get_output_section): Add is_relro, is_last_relro, and
7119         is_first_non_relro parameters.  Change all callers.
7120         (Layout::choose_output_section): Likewise.
7121         (Layout::add_output_section_data): Likewise.
7122         (Layout::make_output_section): Likewise.
7123         (Layout::set_segment_offsets): Clear increase_relro when using a
7124         linker script.
7125         * layout.h (class Layout): Add increase_relro method.  Add
7126         increase_relro_ field.  Update declarations.
7127         * output.cc (Output_section::Output_section): Initialize
7128         is_last_relro_ and is_first_non_relro_.
7129         (Output_segment::add_output_section): Group relro sections is
7130         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7131         (Output_segment::maximum_alignment): Remove relro handling.
7132         (Output_segment::set_section_addresses): Add increase_relro
7133         parameter.  Change all callers.  Add initial alignment to align
7134         relro sections on separate page.  Remove old relro handling.
7135         (Output_segment::set_section_list_addresses): Remove in_relro
7136         parameter.  Change all callers.
7137         (Output_segment::set_offset): Add increase parameter.  Change all
7138         callers.  Remove old relro handling.
7139         * output.h (class Output_section): Add new methods: is_last_relro,
7140         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7141         Add is_last_relro_ and is_first_non_relro_ fields.
7142         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7143         Create separate .got.plt section.  Call increase_relro.
7144         * x86_64.cc (Target_x86_64::got_section): Likewise.
7145         * testsuite/relro_script_test.t: Add .got.plt.
7146
7147         PR 10450
7148         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7149         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7150         (Layout::finalize): Call set_dynamic_symbol_size.
7151         (Layout::set_dynamic_symbol_size): New function.
7152         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7153         set_dynamic_symbol_size.
7154
7155         PR 10450
7156         * output.h (class Output_section): Add is_entsize_zero_ field.
7157         * output.cc (Output_section::Output_section): Initialize
7158         is_entsize_zero_.
7159         (Output_section::set_entsize): If two different entsizes are
7160         requested, force it to zero.
7161         (Output_section::add_input_section): Set flags for .debug_str
7162         before updating section flags.  Set entsize.
7163         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7164         and SHF_STRING if all input sections have those flags.
7165
7166 2009-12-29   Rafael Espindola  <espindola@google.com>
7167
7168         * main.cc (main): Fix the sys time reporting.
7169         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7170         reporting.
7171
7172 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7173
7174         * options.cc (General_options::parse_version): Allow -v to exit
7175         without an error if there is nothing to link.
7176
7177 2009-12-29  Ian Lance Taylor  <iant@google.com>
7178
7179         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7180         using a version of gcc before 4.1.
7181         * configure: Rebuild.
7182
7183 2009-12-28  Chris Demetriou  <cgd@google.com>
7184
7185         * attributes.cc (Output_attributes_section_data::do_write): Use
7186         std::vector::front rather than std::vector::data.
7187
7188 2009-12-28  Ian Lance Taylor  <iant@google.com>
7189
7190         * symtab.h (class Symbol_table): Add enum Defined.
7191         * resolve.cc (Symbol_table::should_override): Add defined
7192         parameter.  Change all callers.  Test whether object is NULL
7193         before calling a method on it.
7194         (Symbol_table::report_resolve_problem): Add defined parameter.
7195         Change all callers.
7196         (Symbol_table::should_override_with_special): Likewise.
7197         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7198         parameter.  Change all callers.
7199         (Symbol_table::do_define_in_output_data): Likewise.
7200         (Symbol_table::define_in_output_segment): Likewise.
7201         (Symbol_table::do_define_in_output_segment): Likewise.
7202         (Symbol_table::define_as_constant): Likewise.
7203         (Symbol_table::do_define_as_constant): Likewise.
7204         * script.h (class Symbol_assignment): Add is_defsym parameter to
7205         constructor; change all callers.
7206         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7207         parameter.  Change all callers.  Add is_defsym_ field.
7208         (class Parser_closure): Add parsing_defsym parameter to
7209         constructor; change all callers.  Add parsing_defsym accessor
7210         function.  Add parsing_defsym_ field.
7211
7212 2009-12-28  Ian Lance Taylor  <iant@google.com>
7213
7214         * gold.cc (queue_middle_tasks): Fix formatting.
7215         * object.cc (Relobj::is_section_name_included): Likewise.
7216
7217 2009-12-23  Ian Lance Taylor  <iant@google.com>
7218
7219         * i386.cc (Target_i386::do_calls_non_split): Recognize
7220         -fsplit-stack prologue for a function with a static chain.
7221         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7222         -fsplit-stack prologue when using %r11.
7223
7224 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7225
7226         * options.cc (General_options::parse_version): Make -v continue and do
7227         the link like GNU ld does.
7228
7229 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7230
7231         * Makefile.am (CCFILES): Add timer.cc.
7232         (HFILES): Add timer.h.
7233         * configure.ac: Check for sysconf and times.
7234         * main.cc: include timer.h.
7235         (main): Use Timer instead of get_run_time.
7236         * timer.cc: New.
7237         * timer.h: New.
7238         * workqueue.cc: include timer.h.
7239         (Workqueue::find_and_run_task):
7240         Report user, sys and wall time.
7241         * Makefile.in: Regenerate.
7242         * config.in: Regenerate.
7243         * configure: Regenerate.
7244
7245 2009-12-16  Doug Kwan  <dougkwan@google.com>
7246
7247         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7248         sections.
7249         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7250         relaxed input sections.
7251         * output.cc (Output_section::find_relaxed_input_section): Change
7252         return type to Output_relaxed_input_section pointer.  Adjust code
7253         for new type of relaxed_input_section_map_.
7254         * output.h (Output_section::find_relaxed_input_section): Change
7255         return type to Output_relaxed_input_section pointer.
7256         (Output_section::Output_relaxed_input_section_by_input_section_map):
7257         New type.
7258         (Output_section::relaxed_input_section_map_): Change type to
7259         Output_section::Output_relaxed_input_section_by_input_section_map.
7260         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7261         input section.
7262
7263 2009-12-15  Ian Lance Taylor  <iant@google.com>
7264
7265         * layout.cc (Layout::create_shstrtab): Only write out after input
7266         sections if we are compressing debug sections.
7267
7268 2009-12-15  Ian Lance Taylor  <iant@google.com>
7269
7270         * archive.cc (Archive::add_symbols): Only look up a symbol without
7271         a version if there is, in fact, a version.
7272
7273 2009-12-14  Ian Lance Taylor  <iant@google.com>
7274
7275         Revert -Wshadow changes, all changes from:
7276         2009-12-11  Doug Kwan  <dougkwan@google.com>
7277         2009-12-11  Nick Clifton  <nickc@redhat.com>
7278         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7279
7280 2009-12-11  Doug Kwan  <dougkwan@google.com>
7281
7282         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7283         due to -Wshadow.
7284         * attributes.cc (Object_attribute::size): Ditto.
7285         (Attributes_section_data::size): Ditto.
7286         (Attributes_section_data::Attributes_section_data): Ditto.
7287         (Output_attributes_section_data::do_write): Ditto.
7288         * attributes.h (Object_attribute::set_type): Ditto.
7289         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7290
7291 2009-12-11  Nick Clifton  <nickc@redhat.com>
7292
7293         * archive.cc: Fix shadowed variable warnings.
7294         * arm.cc: Likewise.
7295         * compressed_output.cc: Likewise.
7296         * compressed_output.h: Likewise.
7297         * configure: Likewise.
7298         * dwarf_reader.cc: Likewise.
7299         * dynobj.cc: Likewise.
7300         * dynobj.h: Likewise.
7301         * ehframe.cc: Likewise.
7302         * ehframe.h: Likewise.
7303         * errors.cc: Likewise.
7304         * expression.cc: Likewise.
7305         * fileread.cc: Likewise.
7306         * fileread.h: Likewise.
7307         * freebsd.h: Likewise.
7308         * i386.cc: Likewise.
7309         * icf.cc: Likewise.
7310         * incremental.h: Likewise.
7311         * layout.cc: Likewise.
7312         * layout.h: Likewise.
7313         * mapfile.cc: Likewise.
7314         * merge.cc: Likewise.
7315         * merge.h: Likewise.
7316         * object.cc: Likewise.
7317         * object.h: Likewise.
7318         * options.h: Likewise.
7319         * output.cc: Likewise.
7320         * output.h: Likewise.
7321         * parameters.cc: Likewise.
7322         * plugin.cc: Likewise.
7323         * powerpc.cc: Likewise.
7324         * reduced_debug_output.cc: Likewise.
7325         * reduced_debug_output.h: Likewise.
7326         * reloc.cc: Likewise.
7327         * reloc.h: Likewise.
7328         * resolve.cc: Likewise.
7329         * script-sections.cc: Likewise.
7330         * script.cc: Likewise.
7331         * script.h: Likewise.
7332         * sparc.cc: Likewise.
7333         * symtab.cc: Likewise.
7334         * symtab.h: Likewise.
7335         * target-select.cc: Likewise.
7336         * target-select.h: Likewise.
7337         * token.h: Likewise.
7338         * workqueue.cc: Likewise.
7339         * workqueue.h: Likewise.
7340         * x86_64.cc: Likewise.
7341
7342 2009-12-10  Doug Kwan  <dougkwan@google.com>
7343
7344         * arm.cc (attributes.h): New include.
7345         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7346         (Arm_relobj::~Arm_relobj): Delete object pointed by
7347         attributes_section_data_.
7348         (Arm_relobj::attributes_section_data): New method definition.
7349         (Arm_relobj::attributes_section_data_): New data member declaration.
7350         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7351         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7352         attributes_section_data_.
7353         (Arm_dynobj::attributes_section_data): New method definition.
7354         (Arm_dynobj::attributes_section_data_): New data member declaration.
7355         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7356         initialization value of may_use_blx_ to false.
7357         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7358         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7359         object attributes to compute results instead of hard-coding.
7360         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7361         Target_arm::get_secondary_compatible_arch,
7362         Target_arm::set_secondary_compatible_arch
7363         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7364         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7365         New method declarations.
7366         (Target_arm::get_aeabi_object_attribute): New method definition.
7367         (Target_arm::attributes_section_data_): New data member declaration.
7368         (read_arm_attributes_section): New template definition.
7369         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7370         (Arm_dynobj::do_read_symbols): Ditto.
7371         (Target_arm::do_finalize_sections): Merge attributes sections from
7372         input.  Check for BLX use after attributes section merging.
7373         Fix __exidx_start and __exidx_end visibility.  Create an
7374         .ARM.attributes section if necessary.
7375         (Target_arm::get_secondary_compatible_arch,
7376         Target_arm::set_secondary_compatible_arch,
7377         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7378         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7379         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7380         New method definitions.
7381
7382 2009-12-09  Ian Lance Taylor  <iant@google.com>
7383
7384         * plugin.cc (Plugin::load): Don't cast from void* to a function
7385         pointer.
7386
7387 2009-12-09  Ian Lance Taylor  <iant@google.com>
7388
7389         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7390         information fields.
7391
7392 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7393
7394         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7395         Replace two_file_shared_1.so with two_file_shared_2.so.
7396         * testsuite/Makefile.in: Regenerated.
7397
7398 2009-12-08  Doug Kwan  <dougkwan@google.com>
7399
7400         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7401         (HFILES): Add attributes.h and int_encoding.h.
7402         * Makefile.in: Regenerate.
7403         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7404         function definitions to int_encoding.cc
7405         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7406         prototypes to int_encoding.h
7407         * reduced_debug_output.cc (int_encoding.h): New include.
7408         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7409         function definitions to int_encoding.cc
7410         (insert_into_vector, read_from_pointer): Move template definitions to
7411         int_encoding.h
7412         * attributes.cc: New file.
7413         * attributes.h: New file.
7414         * int_encoding.cc: New file.
7415         * int_encoding.h: New file.
7416
7417 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7418
7419         PR gold/11055
7420         * incremental-dump.cc (dump_incremental_inputs): New.
7421         (main): Use dump_incremental_inputs.
7422
7423 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7424
7425         PR gold/10893
7426         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7427         checking elfcpp::STT_FUNC.
7428         (Target_i386::Relocate::relocate): Likewise.
7429         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7430
7431         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7432         symbols from shared libraries into normal FUNC symbols.
7433
7434         * symtab.h (Symbol): Add is_func and use it.
7435
7436 2009-12-05  Doug Kwan  <dougkwan@google.com>
7437
7438         * arm.cc (Target_arm::arm_info): Initialize new fields
7439         attributes_section and attributes_vendor.
7440         * i386.cc (Target_i386::i386_info): Same.
7441         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7442         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7443         fields attributes_section and attributes_vendor.
7444         * sparc.cc (Target_sparc::sparc_info): Same.
7445         * target.h (Target::attributes_section, Target::attributes_vendor,
7446         Target::is_attributes_section, Target::attribute_arg_type,
7447         Target::attributes_order): New method definitions.
7448         (Target::Target_info::attributes_section,
7449         Target::Target_info::attributes_vendor): New fields.
7450         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7451         virtual method definitions.
7452         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7453         attributes_section and attributes_vendor.
7454         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7455
7456 2009-12-05  Doug Kwan  <dougkwan@google.com>
7457
7458         * arm.cc: Update comments about interworking and stub generation.
7459         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7460         considered as non-PIC.
7461         (Arm_relocate_functions::base_abs): Fix formatting.
7462         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7463         of function to use GOT entry address instead of offset.
7464         (Target_arm::Scan::global): Issue an error if a symbol would need a
7465         PLT does not get one because it is untyped.  Remove code to create
7466         dynamic symbols for relative branches.
7467         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7468         takes unsigned integer instead of boolean.
7469
7470 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7471
7472         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7473         (two_file_test_LDADD): Likewise.
7474         (common_test_1_LDADD): Likewise.
7475         (exception_test_LDADD) Likewise.
7476         (weak_test_LDADD): Likewise.
7477         (many_sections_test_LDADD): Likewise.
7478         (initpri1_LDADD): Likewise.
7479         (script_test_1_LDADD): Likewise.
7480         (script_test_2_LDADD): Likewise.
7481         (justsyms_LDADD): Likewise.
7482         (binary_test_LDADD): Likewise.
7483         (large_LDADD): Likewise.
7484         * testsuite/Makefile.in: Regenerated.
7485
7486 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7487
7488         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7489         (Symbol_table::override_with_special): Likewise.
7490         (Symbol_table::add_from_object): Likewise.
7491
7492 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7493
7494         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7495         Don't set the data_offset twice.
7496
7497 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7498
7499         * testsuite/Makefile.in: Regenerate.
7500
7501 2009-12-03  Doug Kwan  <dougkwan@google.com>
7502
7503         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7504         (Target_arm::do_finalize_sections): Add parameter for symbol table
7505         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7506         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7507         parameter for symbol table pointer.
7508         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7509         an additional parameter for a pointer to symbol table.
7510         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7511         parameter for a symbol table pointer.
7512         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7513         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7514         Ditto.
7515         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7516         parameter for a symbol table pointer.
7517
7518 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7519
7520         * incremental.cc (Incremental_inputs_header)
7521         (Incremental_inputs_header_write, Incremental_inputs_entry)
7522         (Incremental_inputs_entry_write): Move ...
7523         * incremental.h (Incremental_inputs_header)
7524         (Incremental_inputs_header_write, Incremental_inputs_entry)
7525         (Incremental_inputs_entry_write): here.
7526
7527 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7528
7529         * incremental.cc (make_sized_incremental_binary): Set the target.
7530         Error if it is incompatible.
7531         * output.h (Output_file): Add filename method.
7532
7533 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7534
7535         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7536         from the get_* methods.
7537
7538 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7539
7540         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7541         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7542         Write 0 for the data_offset of scripts.
7543
7544 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7545
7546         * testsuite/Makefile.am: Add the incremental_test.sh test.
7547         * testsuite/incremental_test.sh: New.
7548         * testsuite/incremental_test_1.c: New.
7549         * testsuite/incremental_test_2.c: New.
7550
7551 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7552
7553        * incremental-dump.cc (main): Fix typos.
7554
7555 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7556
7557         PR gold/11025
7558         * incremental-dump.cc (main): Use llu to print 64 bit values.
7559
7560 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7561             H.J. Lu  <hongjiu.lu@intel.com>
7562
7563         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7564         $(LIBDL).
7565         (incremental_dump_LDADD): Likewise.
7566         * Makefile.in: Regenerated.
7567
7568 2009-11-25  Doug Kwan  <dougkwan@google.com>
7569
7570         Revert:
7571
7572         2009-11-25  Doug Kwan  <dougkwan@google.com>
7573
7574                 * arm.cc (Target_arm::Target_arm): Move method definition
7575                 outside of class definition.  Add code to handle
7576                 --target1-rel, --target1-abs and --target2= options.
7577                 (Target_arm::get_reloc_reloc_type): Change method to be
7578                 non-static and const.
7579                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7580                 New data member declaration.
7581                 (Target_arm::Scan::local, Target_arm::Scan::global,
7582                 Target_arm::Relocate::relocate,
7583                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7584                 Adjust call to Target_arm::get_real_reloc_type.
7585                 (Target_arm::get_real_reloc_type): Use command line options
7586                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7587                 * options.h (--target1-rel, --target1-abs, --target2): New
7588                 ARM-only options.
7589
7590 2009-11-25  Doug Kwan  <dougkwan@google.com>
7591
7592         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7593         class definition.  Add code to handle --target1-rel, --target1-abs
7594         and --target2= options.
7595         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7596         and const.
7597         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7598         member declaration.
7599         (Target_arm::Scan::local, Target_arm::Scan::global,
7600         Target_arm::Relocate::relocate,
7601         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7602         call to Target_arm::get_real_reloc_type.
7603         (Target_arm::get_real_reloc_type): Use command line options to
7604         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7605         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7606         options.
7607
7608 2009-11-25  Doug Kwan  <dougkwan@google.com>
7609
7610         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7611         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7612         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7613         formatting.
7614         (Arm_relocate_functions::thm_call): Replace body with a call to
7615         Arm_relocate_functions::thumb_branch_common.
7616         (Arm_relocate_functions::thm_jump24,
7617         Arm_relocate_functions::thm_xpc22): New method definitions.
7618         (Arm_relocate_functions::thumb_branch_common): New method definition.
7619         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7620         operator.
7621         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7622         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7623
7624 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7625
7626         * Makefile.am: Build incremental-dump
7627         * Makefile.in: Regenerate.
7628         * incremental-dump.cc: New.
7629         * incremental.cc (Incremental_inputs_header_data,
7630         Incremental_inputs_entry_data): Move to incremental.h
7631         * incremental.h: (Incremental_inputs_header_data,
7632         Incremental_inputs_entry_data): Move from incremental.cc
7633
7634 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7635
7636         * incremental.cc (Incremental_inputs_header,
7637         Incremental_inputs_header_write, Incremental_inputs_entry,
7638         Incremental_inputs_entry_write): Add a typedef with the data type.
7639
7640 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7641
7642         * incremental.cc (Incremental_inputs_header,
7643         Incremental_inputs_header_write, Incremental_inputs_entry,
7644         Incremental_inputs_entry_write): Update comment about which
7645         type has the filed descriptions.
7646
7647 2009-11-15  Doug Kwan  <dougkwan@google.com>
7648
7649         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7650         (Arm_relocate_functions::arm_branch_common): Change method defintion
7651         in class definition to a method declaration and update list of formal
7652         parameters.
7653         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7654         Arm_relocation_functions::jump24): Adjust call to
7655         Arm_relocate_functions::arm_branch_common.  Update list of formal
7656         parameters.
7657         (Arm_relocate_functions::xpc25): New method definition.
7658         (Arm_relocate_functions::arm_branch_common): Move method defintion
7659         out from class definition.  Use stubs for mode-switching and extending
7660         branch ranges.
7661         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7662         specially.  Change code to enable use of stubs in ARM branches.
7663
7664 2009-11-10  Doug Kwan  <dougkwan@google.com>
7665
7666         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7667         in method declaration.
7668         (Target_arm::relocate_stub): New method declaration.
7669         (Target_arm::default_target): Change to return a pointer instead of
7670         a const reference.
7671         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7672         Target_arm::default_target.
7673         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7674         method definition.
7675         (Target_arm::relocate_section): Adjust view.
7676         (Target_arm::relocate_stub): New method definition.
7677
7678 2009-11-10  Doug Kwan  <dougkwan@google.com>
7679
7680         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7681         a format warning.
7682         * incremental.cc (open_incremental_binary): Initialized local
7683         variables to avoid warnings.
7684         * object.cc (make_elf_object): Ditto.
7685         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7686         a format warning.
7687
7688 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7689
7690         PR gold/10930
7691         * testsuite/plugin_test.c: Include "config.h".
7692
7693 2009-11-09  Doug Kwan  <dougkwan@google.com>
7694
7695         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7696         (arm_symbol_value): Remove.
7697         (Arm_relocate_functions::arm_branch_common,
7698         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7699         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7700         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7701         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7702         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7703         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7704         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7705         Arm_relocate_functions::thm_mobw_abs_nc,
7706         Arm_relocate_functions::thm_mov_abs,
7707         Arm_relocate_functions::movw_prel_nc,
7708         Arm_relocate_functions::thm_movt_abs,
7709         Arm_relocate_functions::movt_prel,
7710         Arm_relocate_functions::thm_movw_prel_nc,
7711         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7712         (Target_arm::Relocate::relocate): Only decompose address into two
7713         parts if relocation type uses the thumb-bit and pass the actual
7714         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7715         calls to methods in Arm_relocate_functions for this change.
7716
7717 2009-11-08  Ian Lance Taylor  <iant@google.com>
7718
7719         PR 10925
7720         * reloc.cc: Instantiate
7721         Sized_relobj::initialize_input_to_output_maps and
7722         Sized_relobj:free_input_to_output_maps.
7723
7724 2009-11-06  Ian Lance Taylor  <iant@google.com>
7725
7726         PR 10876
7727         * defstd.cc (in_segment): Set only_if_ref true for "end".
7728
7729 2009-11-06  Doug Kwan  <dougkwan@google.com>
7730
7731         * arm.cc (class Reloc_stub): Correct a comment.
7732         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7733         (Target_arm::scan_section_for_stubs): New method declaration.
7734         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7735         Change methods from private to protected.
7736         (Target_arm::do_may_relax): New method definition.
7737         (Target_arm::do_relax, Target_arm::group_sections,
7738         Target_arm::scan_reloc_for_stub,
7739         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7740         (Target_arm::arm_input_section_map_): New data member declaration.
7741         (Target_arm::scan_reloc_for_stub,
7742         Target_arm::scan_reloc_section_for_stubs,
7743         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7744         Target_arm::do_relax): New method definitions.
7745
7746 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7747
7748         * configure.ac: Check for (struct stat)::st_mtim
7749         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7750         * config.in: Regenerate.
7751         * configure: Regenerate.
7752
7753 2009-11-05  Ian Lance Taylor  <iant@google.com>
7754
7755         PR 10910
7756         * output.cc (Output_segment::add_output_section): Add missing
7757         return statement.
7758
7759 2009-11-04  Ian Lance Taylor  <iant@google.com>
7760
7761         PR 10880
7762         * object.h (class Object): Add is_needed and set_is_needed
7763         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7764         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7765         defined in a dynamic object and referenced by a regular object,
7766         set is_needed for the dynamic object.
7767         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7768         if the file is marked with as_needed and it is not needed.
7769
7770 2009-11-04  Ian Lance Taylor  <iant@google.com>
7771
7772         PR 10887
7773         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7774         tags if data is discarded by linker script.
7775         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7776         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7777         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7778         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7779
7780 2009-11-04  Ian Lance Taylor  <iant@google.com>
7781
7782         * layout.cc (Layout::get_output_section): Add is_interp and
7783         is_dynamic_linker_section parameters.  Change all callers.
7784         (Layout::choose_output_section): Likewise.
7785         (Layout::make_output_section): Likewise.
7786         (Layout::add_output_section_data): Add is_dynamic_linker_section
7787         parameter.  Change all callers.
7788         * layout.h (class Layout): Update declarations.
7789         * output.h (class Output_section): Add is_interp, set_is_interp,
7790         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7791         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7792         generate_code_fills_at_write_ to a bitfield.
7793         * output.cc (Output_section::Output_sections): Initialize new
7794         fields.
7795         (Output_segment::add_output_section): Add do_sort parameter.
7796         Change all callers.
7797
7798 2009-11-03  Ian Lance Taylor  <iant@google.com>
7799
7800         PR 10860
7801         * options.h (class General_options): Add --warn-common.
7802         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7803         merging two common symbols.
7804         (Symbol_table::should_override): Handle --warn-common when merging
7805         a common symbol with a defined symbol.  Use report_resolve_problem
7806         for multiple definitions.
7807         (Symbol_table::report_resolve_problem): New function.
7808         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7809
7810 2009-11-03  Doug Kwan  <dougkwan@google.com>
7811
7812         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7813         stub_factory_.
7814         (Target_arm::stub_factory): New method definition.
7815         (Target_arm::new_arm_input_section,
7816         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7817         Target_arm::reloc_uses_thumb_bit): New method declarations.
7818         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7819         New type definitions.
7820         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7821         member declarations.
7822         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7823         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7824         New method definitions.
7825
7826 2009-11-03  Ian Lance Taylor  <iant@google.com>
7827
7828         * options.h (class General_options): Add --warn_constructors.
7829
7830 2009-11-03  Ian Lance Taylor  <iant@google.com>
7831
7832         PR 10893
7833         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7834         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7835
7836 2009-11-03  Ian Lance Taylor  <iant@google.com>
7837
7838         PR 10895
7839         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7840         --msgid-bugs-address.
7841         (install-pdf): New target.
7842         (install-data_yes): Look up one directory to find mkinstalldirs.
7843
7844 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7845
7846         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7847         tree.
7848
7849 2009-10-30  Doug Kwan  <dougkwan@google.com>
7850
7851         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7852
7853 2009-10-30  Doug Kwan  <dougkwan@google.com>
7854
7855         * arm.cc (Stub_addend_reader): New struct template definition
7856         and partial specializations.
7857         (Stub_addend_reader::operator()): New method definition for a
7858         partially specialized template.
7859
7860 2009-10-30  Doug Kwan  <dougkwan@google.com>
7861
7862         * arm.cc (Arm_relobj::processor_specific_flags): New method
7863         definition.
7864         (Arm_relobj::do_read_symbols): New method declaration.
7865         (Arm_relobj::processor_specific_flags_): New data member declaration.
7866         (Arm_dynobj): New class definition.
7867         (Target_arm::do_finalize_sections): Add input_objects parameter.
7868         (Target_arm::do_adjust_elf_header): New method declaration.
7869         (Target_arm::are_eabi_versions_compatible,
7870         (Target_arm::merge_processor_specific_flags): New method declaration.
7871         (Target_arm::do_make_elf_object): New overloaded method definitions
7872         and declaration.
7873         (Arm_relobj::do_read_symbols): New method definition.
7874         (Arm_dynobj::do_read_symbols): Ditto.
7875         (Target_arm::do_finalize_sections): Add input_objects parameters.
7876         Merge processor-specific flags from all input objects.
7877         (Target_arm::are_eabi_versions_compatible,
7878         Target_arm::merge_processor_specific_flags,
7879         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7880         New method definitions.
7881         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7882         Input_objects pointer type parameter.
7883         * layout.cc (Layout::finalize): Pass input objects to target's.
7884         finalize_sections function.
7885         * output.cc (Output_file_header::do_sized_write): Set ELF file
7886         header's processor-specific flags.
7887         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7888         Input_objects pointer type parameter.
7889         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7890         * target.h (Input_objects): New forward class declaration.
7891         (Target::processor_specific_flags,
7892         Target::are_processor_specific_flags_sect): New method definitions.
7893         (Target::finalize_sections): Add input_objects parameter.
7894         (Target::Target): Initialize processor_specific_flags_ and
7895         are_processor_specific_flags_set_.
7896         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7897         parameter.
7898         (Target::set_processor_specific_flags): New method definition.
7899         (Target::processor_specific_flags_,
7900         Target::are_processor_specific_flags_set_): New data member
7901         declarations.
7902         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7903         Input_objects pointer type parameter.
7904
7905 2009-10-30  Doug Kwan  <dougkwan@google.com>
7906
7907         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7908
7909 2009-10-28  Ian Lance Taylor  <iant@google.com>
7910
7911         * object.h (class Relobj): Drop options parameter from
7912         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7913         do_scan_relocs, do_relocate.  Change all callers.
7914         (class Sized_relobj): Drop options parameters from
7915         do_gc_process_relocs, do_scan_relocs, do_relocate,
7916         do_relocate_sections, relocate_sections, emit_relocs_scan,
7917         emit_relocs_scan_reltype.  Change all callers.
7918         (struct Relocate_info): Remove options field and all references to
7919         it.
7920         * reloc.h (class Read_relocs): Remove options constructor
7921         parameter and options_ field.  Change all callers.
7922         (class Gc_process_relocs, class Scan_relocs): Likewise.
7923         (class Relocate_task): Likewise.
7924         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7925         all callers.
7926         (scan_relocatable_relocs): Likewise.
7927         * target.h (class Sized_target): Remove options parameter from
7928         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7929         all callers.
7930         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7931         callers.
7932         * arm.cc: Update functions to remove options parameters.
7933         * i386.cc: Likewise.
7934         * powerpc.cc: Likewise.
7935         * sparc.cc: Likewise.
7936         * x86_64.cc: Likewise.
7937         * testsuite/testfile.cc: Likewise.
7938
7939 2009-10-28  Doug Kwan  <dougkwan@google.com>
7940
7941         * arm.cc (Arm_relobj): New class definition.
7942         (Arm_relobj::scan_sections_for_stubs,
7943         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7944         New method definitions.
7945
7946 2009-10-28  Cary Coutant  <ccoutant@google.com>
7947
7948         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7949         (Plugin::cleanup_done_): New member.
7950         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7951         (Plugin_manager::cleanup_done_): Remove.
7952         (Plugin_manager::add_input_file): Edit error message.
7953         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7954         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7955
7956 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7957
7958         * fileread.cc: (File_read::View::~View): Use the new
7959         data_ownership_ filed.
7960         (File_read::~File_read): Dispose the new whole_file_view_.
7961         (File_read::open): Mmap the whole file if needed.
7962         (File_read::open): Use whole_file_view_ instead of contents_.
7963         (File_read::find_view): Use whole_file_view_ if applicable.
7964         (File_read::do_read): Use whole_file_view_ instead of contents_.
7965         (File_read::make_view): Use whole_file_view_ instead of contents_,
7966         update File_read::View::View call.
7967         (File_read::find_or_make_view): Update File_read::View::View
7968         call.
7969         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7970         remove contents_
7971         (File_read::View::Data_ownership): New enum.
7972         (File_read::View::View): Replace bool mapped_ with Data_ownership
7973         argument.
7974         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7975         (File_read::View::data_ownership_): New field.
7976         (File_read::contents_): Remove (replaced by whole_file_view_).
7977         (File_read::whole_file_view_): New field.
7978         * options.h (class General_options): Add --keep-files-mapped.
7979
7980 2009-10-27  Cary Coutant  <ccoutant@google.com>
7981
7982         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7983         * testsuite/Makefile.am (plugin_test_5): New test case.
7984         * testsuite/Makefile.in: Regenerate.
7985
7986 2009-10-25  Doug Kwan  <dougkwan@google.com>
7987
7988         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7989         from private to protected to allow access by child class.
7990         (Sized_relobj::do_relocate_sections): New method declaration.
7991         (Sized_relobj::relocate_sections): Virtualize.
7992         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7993         Sized_relobj::relocate_sections.  Instantiate template explicitly
7994         for different target sizes and endianity.
7995
7996 2009-10-24  Doug Kwan  <dougkwan@google.com>
7997
7998         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7999         (Arm_input_section::as_arm_input_section): New method.
8000         (Arm_output_section): New class definition.
8001         (Arm_output_section::create_stub_group,
8002         Arm_output_section::group_sections): New method definitions.
8003
8004 2009-10-22  Doug Kwan  <dougkwan@google.com>
8005
8006         * arm.cc (Arm_input_section): New class definition.
8007         (Arm_input_section::init, Arm_input_section:do_write,
8008         Arm_input_section::set_final_data_size,
8009         Arm_input_section::do_reset_address_and_file_offset): New method
8010         definitions.
8011
8012 2009-10-21  Doug Kwan  <dougkwan@google.com>
8013
8014         * arm.cc (Stub_table, Arm_input_section): New forward class
8015         declarations.
8016         (Stub_table): New class defintion.
8017         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8018         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8019         New method definition.
8020
8021 2009-10-21  Doug Kwan  <dougkwan@google.com>
8022
8023         * arm.cc: Update copyright comments.
8024         (Target_arm): New forward class template declaration.
8025         (Arm_address): New type.
8026         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8027         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8028         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8029         constants.
8030         (Insn_template): Same.
8031         (DEF_STUBS): New macro.
8032         (Stub_type): New enum type.
8033         (Stub_template): New class definition.
8034         (Stub): Same.
8035         (Reloc_stub): Same.
8036         (Stub_factory): Same.
8037         (Target_arm::Target_arm): Initialize may_use_blx_ and
8038         should_force_pic_veneer_.
8039         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8040         Target_arm::should_force_pic_veneer,
8041         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8042         Target_arm::using_thumb_only, Target_arm:;default_target): New
8043         method defintions.
8044         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8045         New data member declarations.
8046         (Insn_template::size, Insn_template::alignment): New method defintions.
8047         (Stub_template::Stub_template): New method definition.
8048         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8049         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8050         (Stub_factory::Stub_factory): New method definition.
8051         * gold.h (string_hash): New template.
8052         * output.h (Input_section_specifier::hash_value): Use
8053         gold::string_hash.
8054         (Input_section_specifier::string_hash): Remove.
8055         * stringpool.cc (Stringpool_template::string_hash): Use
8056         gold::string_hash.
8057
8058 2009-10-20  Doug Kwan  <dougkwan@google.com>
8059
8060         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8061         symbols of relaxed input sections.
8062         * output.h (Output_section::find_relaxed_input_section): Make
8063         method public.
8064
8065 2009-10-16  Doug Kwan  <dougkwan@google.com>
8066
8067         * dynobj.cc (Versions::Versions): Initialize version_script_.
8068         Only insert base version symbol definition for a shared object
8069         if version script defines any version versions.
8070         (Versions::define_base_version): New method definition.
8071         (Versions::add_def): Check that base version is not needed.
8072         (Versions::add_need): Define base version lazily.
8073         * dynobj.h (Versions::define_base_version): New method declaration.
8074         (Versions::needs_base_version_): New data member declaration.
8075         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8076         (check_DATA): Add no_version_test.stdout.
8077         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8078         New make rules.
8079         * testsuite/Makefile.in: Regenerate.
8080         * testsuite/no_version_test.c: New file.
8081         * testsuite/no_version_test.sh: Ditto.
8082
8083 2009-10-16  Doug Kwan  <dougkwan@google.com>
8084
8085         * expression.cc (class Segment_start_expression): New class definition.
8086         (Segment_start_expression::value): New method definition.
8087         (script_exp_function_segment_start): Return a new
8088         Segment_start_expression.
8089         * gold/script-c.h (script_saw_segment_start_expression): New function
8090         prototype.
8091         * script-sections.cc (Script_sections::Script_sections): Initialize
8092         SAW_SEGMENT_START_EXPRESSION_ to false.
8093         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8094         and -Tbbs options to specify section addresses if given in
8095         command line and no SEGMENT_START expression is seen in a script.
8096         * script-sections.h (Script_sections::saw_segment_start_expression,
8097         Script_sections::set_saw_segment_start_expression): New method
8098         definition.
8099         (Script_sections::saw_segment_start_expression_): New data member
8100         declaration.
8101         * script.cc (script_saw_segment_start_expression): New function.
8102         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8103         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8104         script_test_7.sh and script_test_8.sh.
8105         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8106         script_test_8.stdout.
8107         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8108         (script_test_6, script_test_6.stdout, script_test_7,
8109         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8110         * Makefile.in: Regenerate.
8111         * testsuite/script_test_6.sh: New file.
8112         * testsuite/script_test_6.t: Same.
8113         * testsuite/script_test_7.sh: Same.
8114         * testsuite/script_test_7.t: Same.
8115         * testsuite/script_test_8.sh: Same.
8116
8117 2009-10-16  Doug Kwan  <dougkwan@google.com>
8118
8119         * output.cc (Output_segment::set_section_list_address): Cast
8120         expressions to unsigned long long type to avoid format warnings.
8121
8122 2009-10-15  Ian Lance Taylor  <iant@google.com>
8123
8124         * script.cc (Script_options::add_symbol_assignment): Always add a
8125         dot assignment to script_sections_.
8126         * script-sections.cc (Script_sections::add_dot_assignment):
8127         Initialize if necessary.
8128
8129         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8130         program headers with no load segment if there is a linker script.
8131
8132         * layout.cc (Layout::set_segment_offsets): Align the file offset
8133         to the segment aligment for -N or -n with no load segment.
8134         * output.cc (Output_segment::add_output_section): Don't crash if
8135         the first section is a TLS section.
8136         (Output_segment::set_section_list_addresses): Print an error
8137         message if the address moves backward in a linker script.
8138         * script-sections.cc
8139         (Output_section_element_input::set_section_addresses): Don't
8140         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8141         (Orphan_output_section::set_section_addresses): Likewise.
8142
8143 2009-10-15  Doug Kwan  <dougkwan@google.com>
8144
8145         * layout.cc (Layout::finish_dynamic_section): Generate tags
8146         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8147         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8148         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8149
8150 2009-10-14  Ian Lance Taylor  <iant@google.com>
8151
8152         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8153         fields.
8154         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8155         data_shdr fields of relinfo.
8156         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8157         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8158         R_386_TLS_LDO_32, adjust based on section flags.
8159         (Target_i386::Relocate::fix_up_ldo): Remove.
8160
8161 2009-10-13  Ian Lance Taylor  <iant@google.com>
8162
8163         Add support for -pie.
8164         * options.h (class General_options): Add -pie and
8165         --pic-executable.
8166         (General_options::output_is_position_independent): Test -pie.
8167         (General_options::output_is_executable): Return true if not shared
8168         and not relocatable.
8169         (General_options::output_is_pie): Remove.
8170         * options.cc (General_options::finalize): Reject incompatible uses
8171         of -pie.
8172         * gold.cc (queue_middle_tasks): A -pie link is not static.
8173         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8174         * symtab.cc (Symbol::final_value_is_known): Return false if
8175         output_is_position_independent.
8176         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8177         output_is_position_independent.
8178         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8179         output_is_position_independent.
8180         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8181         output_is_position_independent.
8182         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8183         two_file_pie_test.
8184         (basic_pie_test.o, basic_pie_test): New targets.
8185         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8186         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8187         (two_file_pie_test): New target.
8188         * testsuite/Makefile.in: Rebuild.
8189         * README: Remove note saying that -pie is not supported.
8190
8191 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8192
8193         * options.h (class General_options): Add -init and -fini.
8194         * layout.cc (Layout::finish_dynamic_section): Emit
8195         given init and fini functions.
8196
8197 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8198
8199         * gc.h (gc_process_relocs): Check if icf is enabled using new
8200         function.
8201         * gold.cc (queue_initial_tasks): Likewise.
8202         (queue_middle_tasks): Likewise.
8203         * object.cc (do_layout): Likewise.
8204         * symtab.cc (is_section_folded): Likewise.
8205         * main.cc (main): Likewise.
8206         * reloc.cc (Read_relocs::run): Likewise.
8207         (Sized_relobj::do_scan_relocs): Likewise.
8208         * icf.cc (is_function_ctor_or_dtor): New function.
8209         (Icf::find_identical_sections): Check if function is ctor or dtor when
8210         safe icf is chosen.
8211         * options.h (General_options::icf): Change option to be an enum.
8212         (Icf_status): New enum.
8213         (icf_enabled): New method.
8214         (icf_safe_folding): New method.
8215         (set_icf_status): New method.
8216         (icf_status_): New variable.
8217         * (options.cc) (General_options::finalize): Set icf_status_.
8218         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8219         icf_test and icf_keep_unique_test to use the --icf enum flag.
8220         * testsuite/icf_safe_test.sh: New file.
8221         * testsuite/icf_safe_test.cc: New file.
8222
8223 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8224
8225         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8226         includes to gc.h and icf.h.
8227         * arm.cc: Include gc.h.
8228         * gold.cc: Likewise.
8229         * i386.cc: Likewise.
8230         * powerpc.cc: Likewise.
8231         * sparc.cc: Likewise.
8232         * x86_64.cc: Likewise.
8233         * gc.h: Include icf.h.
8234
8235 2009-10-11  Ian Lance Taylor  <iant@google.com>
8236
8237         * plugin.cc: Include "gold.h" before other header files.
8238
8239 2009-10-10  Chris Demetriou  <cgd@google.com>
8240
8241         * options.h (Input_file_argument::Input_file_type): New enum.
8242         (Input_file_argument::is_lib_): Replace with...
8243         (Input_file_argument::type_): New member.
8244         (Input_file_argument::Input_file_argument): Take Input_file_type
8245         'type' rather than boolean 'is_lib' as second argument.
8246         (Input_file_argument::is_lib): Use type_.
8247         (Input_file_argument::is_searched_file): New function.
8248         (Input_file_argument::may_need_search): Handle is_searched_file.
8249         * options.cc (General_options::parse_library): Support -l:filename.
8250         (General_options::parse_just_symbols): Update for Input_file_argument
8251         changes.
8252         (Command_line::process): Likewise.
8253         * archive.cc (Archive::get_file_and_offset): Likewise.
8254         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8255         * script.cc (read_script_file, script_add_file): Likewise.
8256         * fileread.cc (Input_file::Input_file): Likewise.
8257         (Input_file::will_search_for): Handle is_searched_file.
8258         (Input_file::open): Likewise.
8259         * readsyms.cc (Read_symbols::get_name): Likewise.
8260         * testsuite/Makefile.am (searched_file_test): New test.
8261         * testsuite/Makefile.in: Regenerate.
8262         * testsuite/searched_file_test.cc: New file.
8263         * testsuite/searched_file_test_lib.cc: New file.
8264
8265 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8266             Ian Lance Taylor  <iant@google.com>
8267
8268         * descriptor.cc: Include <cstdio> and "binary-io.h".
8269         (Descriptors::open): Open the files in binary mode always.
8270         * script.cc (Lex::get_token): Treat \r as whitespace.
8271
8272 2009-10-09  Ian Lance Taylor  <iant@google.com>
8273
8274         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8275
8276 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8277             Ian Lance Taylor  <iant@google.com>
8278
8279         * configure.ac: Check for readv function also.
8280         * fileread.cc (readv): Define if not HAVE_READV.
8281         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8282         does not exist.
8283         * config.in: Regenerate.
8284         * configure: Regenerate.
8285
8286 2009-10-09  Doug Kwan  <dougkwan@google.com>
8287
8288         * layout.cc (Layout::make_output_section): Call target hook to make
8289         ordinary output section.
8290         (Layout::finalize): Adjust parameter list of call the
8291         Target::may_relax().
8292         * layout.h (class Layout::section_list): New method.
8293         * merge.h (Output_merge_base::entsize): Change visibility to public.
8294         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8295         New methods.
8296         (Output_merge_string::do_is_string): New method.
8297         * object.cc (Sized_relobj::do_setup): renamed from
8298         Sized_relobj::set_up.
8299         * object.h (Sized_relobj::adjust_shndx,
8300         Sized_relobj::initializ_input_to_output_maps,
8301         Sized_relobj::free_input_to_output_maps): Change visibilities to
8302         protected.
8303         (Sized_relobj::setup): Virtualize.
8304         (Sized_relobj::do_setup): New method declaration.
8305         (Sized_relobj::invalidate_section_offset,
8306         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8307         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8308         * options.cc (parse_int): New function.
8309         * options.h (parse_int): New declaration.
8310         (DEFINE_int): New macro.
8311         (stub_group_size): New option.
8312         * output.cc (Output_section::Output_section): Initialize memebers
8313         merge_section_map_, merge_section_by_properties_map_,
8314         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8315         (Output_section::add_input_section): Handled deferred code-fill
8316         generation and remove an old comment.
8317         (Output_section::add_relaxed_input_section): New method definition.
8318         (Output_section::add_merge_input_section): Use merge section by
8319         properties map to speed to search.  Update merge section maps
8320         as appropriate.
8321         (Output_section::build_relaxation_map): New method definition.
8322         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8323         Same.
8324         (Output_section::relax_input_section): Renamed to
8325         Output_section::convert_input_sections_to_relaxed_sections and change
8326         interface to take a vector of pointers to relaxed sections.
8327         (Output_section::find_merge_section,
8328         Output_section::find_relaxed_input_section): New method definitions.
8329         (Output_section::is_input_address_mapped,
8330         Output_section::output_offset, Output_section::output_address):
8331         Use output section data maps to speed up searching.
8332         (Output_section::find_starting_output_address): Add comments.
8333         (Output_section::do_write,
8334         Output_section::write_to_postprocessing_buffer): Do code-fill
8335         generation as appropriate.
8336         (Output_section::get_input_sections): Invalidate relaxed input section
8337         map.
8338         (Output_section::restore_states): Adjust type of checkpoint .
8339         Invalidate relaxed input section map.
8340         * output.h (Output_merge_base): New class declaration.
8341         (Input_section_specifier): New class defintion.
8342         (class Output_relaxed_input_section) Change base class to
8343         Output_section_data_build.
8344         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8345         base class initializer.
8346         (Output_section::add_relaxed_input_section): New method declaration.
8347         (Output_section::Input_section): Change visibility to protected.
8348         (Output_section::Input_section::relobj,
8349         Output_section::Input_section::shndx): Handle relaxed input sections.
8350         Output_section::input_sections) Change visibility to protected.  Also
8351         define overload to return a non-const pointer.
8352         (Output_section::Merge_section_properties): New class defintion.
8353         (Output_section::Merge_section_by_properties_map,
8354         Output_section::Output_section_data_by_input_section_map,
8355         Output_section::Relaxation_map): New types.
8356         (Output_section::relax_input_section): Rename method to
8357         Output_section::convert_input_sections_to_relaxed_sections and change
8358         interface to take a vector of relaxed section pointers.
8359         (Output_section::find_merge_section,
8360         Output_section::find_relaxed_input_section,
8361         Output_section::build_relaxation_map,
8362         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8363         New method declarations.
8364         (Output_section::merge_section_map_
8365         Output_section::merge_section_by_properties_map_,
8366         Output_section::relaxed_input_section_map_,
8367         Output_section::is_relaxed_input_section_map_valid_,
8368         Output_section::generate_code_fills_at_write_): New data members.
8369         * script-sections.cc
8370         (Output_section_element_input::set_section_addresses): Call
8371         current_data_size and addralign methods of relaxed input sections.
8372         (Orphan_output_section::set_section_addresses): Call current_data_size
8373         and addralign methods of relaxed input sections.
8374         * symtab.cc (Symbol_table::compute_final_value): Extract template
8375         from the body of Symbol_table::sized_finalize_symbol.
8376         (Symbol_table::sized_finalized_symbol): Call
8377         Symbol_table::compute_final_value.
8378         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8379         (Symbol_table::compute_final_value): New templated method declaration.
8380         * target.cc (Target::do_make_output_section): New method defintion.
8381         * target.h (Target::make_output_section): New method declaration.
8382         (Target::relax): Add more parameters for input objects, symbol table
8383         and layout.  Adjust call to do_relax.
8384         (Target::do_make_output_section): New method declaration.
8385         (Target::do_relax): Add parameters for input objects, symbol table
8386         and layout.
8387
8388 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8389
8390         * pread.c: Include stdio.h.
8391
8392 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8393
8394         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8395         defined.
8396
8397 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8398
8399         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8400         Change read_shndx type to unsigned int.
8401         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8402         int.
8403         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8404         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8405         Change read_shndx type to unsigned int.
8406         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8407         int.
8408         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8409         * layout.cc (Layout::create_symtab_sections): Cast the result of
8410         local_symcount * symsize to off_t in the gold_assert.
8411
8412 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8413
8414         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8415         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8416         R_ARM_BASE_ABS.
8417         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8418         (Arm_relocate_functions::thm_abs5): New function.
8419         (Arm_relocate_functions::abs12): New function.
8420         (Arm_relocate_functions::abs16): New function.
8421         (Arm_relocate_functions::base_abs): New function.
8422         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8423         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8424         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8425         R_ARM_BASE_ABS.
8426         (Scan::global): Likewise.
8427         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8428         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8429         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8430         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8431         R_ARM_BASE_ABS.
8432
8433 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8434
8435         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8436         (Arm_relocate_functions::movt_prel): New function.
8437         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8438         (Arm_relocate_functions::thm_movt_prel): New function.
8439         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8440         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8441         (Scan::global, Relocate::relocate): Likewise.
8442         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8443
8444 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8445
8446         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8447         Incremental_checker.
8448         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8449         unsigned int.
8450         (class Incremental_inputs_header): New class.
8451         (Incremental_inputs_header_writer): Edit comment.
8452         (Incremental_inputs_entry): New class.
8453         (Incremental_inputs_entry_writer): Edit comment.
8454         (Sized_incremental_binary::do_find_incremental_inputs_section):
8455         Add *strtab_shndx parameter, fill it.
8456         (Sized_incremental_binary::do_check_inputs): New method.
8457         (Incremental_checker::can_incrementally_link_output_file): Use
8458         Sized_incremental_binary::check_inputs.
8459         (Incremental_inputs::report_command_line): Save command line in
8460         command_line_.
8461         * incremental.h:
8462         (Incremental_binary::find_incremental_inputs_section): New
8463         method.
8464         (Incremental_binary::do_find_incremental_inputs_section): Add
8465         strtab_shndx parameter.
8466         (Incremental_binary::do_check_inputs): New pure virtual method.
8467         (Sized_incremental_binary::do_check_inputs): Declare.
8468         (Incremental_checker::Incremental_checker): Add incremental_inputs
8469         parameter, use it to initialize incremental_inputs_.
8470         (Incremental_checker::incremental_inputs_): New field.
8471         (Incremental_checker::command_line): New method.
8472         (Incremental_checker::inputs): New method.
8473         (Incremental_checker::command_line_): New field.
8474
8475 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8476
8477         * incremental.cc: Include <cstdarg> and "target-select.h".
8478         (vexplain_no_incremental): New function.
8479         (explain_no_incremental): New function.
8480         (Incremental_binary::error): New method.
8481         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8482         method.
8483         (make_sized_incremental_binary): New function.
8484         (open_incremental_binary): New function.
8485         (can_incrementally_link_file): Add checks if output is ELF and has
8486         inputs section.
8487         * incremental.h: Include "elfcpp_file.h" and "output.h".
8488         (Incremental_binary): New class.
8489         (Sized_incremental_binary): New class.
8490         (open_incremental_binary): Declare.
8491         * object.cc (is_elf_object): Use
8492         elfcpp::Elf_recognizer::is_elf_file.
8493         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8494         * output.h (Output_file::filesize): New method.
8495
8496 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8497
8498         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8499         New function.
8500         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8501         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8502         function.
8503         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8504         function.
8505         (Arm_relocate_functions::movw_abs_nc): New function.
8506         (Arm_relocate_functions::movt_abs): New function.
8507         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8508         (Arm_relocate_functions::thm_movt_abs): New function.
8509         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8510         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8511         (Scan::global): Likewise.
8512         (Relocate::relocate): Likewise.
8513         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8514
8515 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8516
8517         * arm.cc (Arm_relocate_functions::got_prel) New function.
8518         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8519         (Relocate::relocate): Likewise.
8520         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8521
8522 2009-10-06  Ian Lance Taylor  <iant@google.com>
8523
8524         * options.h (class General_options): Define
8525         split_stack_adjust_size parameter.
8526         * object.h (class Object): Add uses_split_stack_ and
8527         has_no_split_stack_ fields.  Add uses_split_stack and
8528         has_no_split_stack accessor functions.  Declare
8529         handle_split_stack_section.
8530         (class Reloc_symbol_changes): Define.
8531         (class Sized_relobj): Define Function_offsets.  Declare
8532         split_stack_adjust, split_stack_adjust_reltype, and
8533         find_functions.
8534         * object.cc (Object::handle_split_stack_section): New function.
8535         (Sized_relobj::do_layout): Call handle_split_stack_section.
8536         * dynobj.cc (Sized_dynobj::do_layout): Call
8537         handle_split_stack_section.
8538         * reloc.cc (Sized_relobj::relocate_sections): Call
8539         split_stack_adjust for executable sections in split_stack
8540         objects.  Pass reloc_map to relocate_section.
8541         (Sized_relobj::split_stack_adjust): New function.
8542         (Sized_relobj::split_stack_adjust_reltype): New function.
8543         (Sized_relobj::find_functions): New function.
8544         * target-reloc.h: Include "object.h".
8545         (relocate_section): Add reloc_symbol_changes parameter.  Change
8546         all callers.
8547         * target.h (class Target): Add calls_non_split method.  Declare
8548         do_calls_non_split virtual method.  Declare match_view and
8549         set_view_to_nop.
8550         * target.cc: Include "elfcpp.h".
8551         (Target::do_calls_non_split): New function.
8552         (Target::match_view): New function.
8553         (Target::set_view_to_nop): New function.
8554         * gold.cc (queue_middle_tasks): Give an error if mixing
8555         split-stack and non-split-stack objects with -r.
8556         * i386.cc (Target_i386::relocate_section): Add
8557         reloc_symbol_changes parameter.
8558         (Target_i386::do_calls_non_split): New function.
8559         * x86_64.cc (Target_x86_64::relocate_section): Add
8560         reloc_symbol_changes parameter.
8561         (Target_x86_64::do_calls_non_split): New function.
8562         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8563         parameter.
8564         * powerpc.cc (Target_powerpc::relocate_section): Add
8565         reloc_symbol_changes parameter.
8566         * sparc.cc (Target_sparc::relocate_section): Add
8567         reloc_symbol_changes parameter.
8568         * configure.ac: Call AM_CONDITIONAL for the default target.
8569         * configure: Rebuild.
8570         * testsuite/Makefile.am (TEST_AS): New variable.
8571         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8572         (check_DATA): Add split_i386 and split_x86_64 files.
8573         (SPLIT_DEFSYMS): Define.
8574         (split_i386_[1234n].o): New targets.
8575         (split_i386_[124]): New targets.
8576         (split_i386_[1234r].stdout): New targets.
8577         (split_x86_64_[1234n].o): New targets.
8578         (split_x86_64_[124]): New targets.
8579         (split_x86_64_[1234r].stdout): New targets.
8580         (MOSTLYCLEANFILES): Add new executables.
8581         * testsuite/split_i386.sh: New file.
8582         * testsuite/split_x86_64.sh: New file.
8583         * testsuite/split_i386_1.s: New file.
8584         * testsuite/split_i386_2.s: New file.
8585         * testsuite/split_i386_3.s: New file.
8586         * testsuite/split_i386_4.s: New file.
8587         * testsuite/split_i386_n.s: New file.
8588         * testsuite/split_x86_64_1.s: New file.
8589         * testsuite/split_x86_64_2.s: New file.
8590         * testsuite/split_x86_64_3.s: New file.
8591         * testsuite/split_x86_64_4.s: New file.
8592         * testsuite/split_x86_64_n.s: New file.
8593         * testsuite/testfile.cc (Target_test): Update relocation_section
8594         function.
8595         * testsuite/Makefile.in: Rebuild.
8596
8597 2009-10-06  Ian Lance Taylor  <iant@google.com>
8598
8599         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8600         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8601         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8602         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8603         the address on ldo_addrs_.
8604         (Target_i386::Relocate::fix_up_ldo): New function.
8605
8606 2009-10-06   Rafael Espindola  <espindola@google.com>
8607
8608         * plugin.cc (add_input_library): New.
8609         (Plugin::load): Add add_input_library to tv.
8610         (Plugin_manager::add_input_file): Add the is_lib argument.
8611         (add_input_file): Update call to Plugin_manager::add_input_file.
8612         (add_input_library): New.
8613         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8614
8615 2009-09-30  Doug Kwan  <dougkwan@google.com>
8616
8617         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8618         symbol and call Symbol::may_need_copy_reloc to determine if
8619         a copy reloc is needed.
8620         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8621         nocopyreloc is given in command line.
8622         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8623         given in command line.
8624         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8625         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8626         of the removed Target_i386::may_need_copy_reloc.
8627         * options.h (copyreloc): New option with default value false.
8628         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8629         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8630         instead of the removed Target_powerpc::may_need_copy_reloc.
8631         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8632         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8633         instead of the removed Target_sparc::may_need_copy_reloc.
8634         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8635         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8636         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8637         instead of the removed Target_x86_64::may_need_copy_reloc.
8638
8639 2009-09-30  Ian Lance Taylor  <iant@google.com>
8640
8641         * object.h (class Object): Remove target_ field, and target,
8642         sized_target, and set_target methods.
8643         (Object::sized_target): Remove.
8644         (class Sized_relobj): Update declarations.  Remove sized_target.
8645         * object.cc (Sized_relobj::setup): Remove target parameter.
8646         Change all callers.
8647         (Input_objects::add_object): Don't do anything with the target.
8648         (make_elf_sized_object): Add punconfigured parameter.  Change all
8649         callers.  Set or test parameter target.
8650         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8651         Change all callers.
8652         * parameters.cc (Parameters::set_target): Change parameter type to
8653         be non-const.
8654         (Parameters::default_target): Remove.
8655         (set_parameters_target): Change parameter type to be non-const.
8656         (parameters_force_valid_target): New function.
8657         (parameters_clear_target): New function.
8658         * parameters.h (class Parameters): Update declarations.  Remove
8659         default_target method.  Add sized_target and clear_target
8660         methods.  Change target_ to be non-const.
8661         (set_parameters_target): Update declaration.
8662         (parameters_force_valid_target): Declare.
8663         (parameters_clear_target): Declare.
8664         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8665         as NULL if we aren't searching.
8666         (Add_symbols::run): Don't check for compatible target.
8667         * fileread.cc (Input_file::open_binary): Call
8668         parameters_force_valid_target.
8669         * gold.cc (queue_middle_tasks): Likewise.
8670         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8671         set_target on object.
8672         * dynobj.h (class Sized_dynobj): Update declarations.
8673         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8674         make_elf_object returns NULL.
8675         (Archive::include_member): Don't check whether object target is
8676         compatible.
8677         * output.cc (Output_section::add_input_section): Get target from
8678         parameters.
8679         (Output_section::relax_input_section): Likewise.
8680         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8681         parameters.
8682         (Sized_relobj::do_scan_relocs): Likewise.
8683         (Sized_relobj::relocate_sections): Likewise.
8684         * resolve.cc (Symbol_table::resolve): Likewise.
8685         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8686         parameter.  Change all callers.
8687         (Symbol_table::add_from_object): Get target from parameters.
8688         (Symbol_table::add_from_relobj): Don't check object target.
8689         (Symbol_table::add_from_dynobj): Likewise.
8690         (Symbol_table::define_special_symbol): Get target from
8691         parameters.
8692         * symtab.h (class Symbol_table): Update declaration.
8693         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8694         parameter.  Change all callers.  Clear parameter target.
8695         (Binary_test): Test target here.
8696         * testsuite/object_unittest.cc (gold_testsuite): Remove
8697         target_test_pointer parameter.  Change all callers.
8698         (Object_test): Test target here.
8699
8700 2009-09-26  Ian Lance Taylor  <iant@google.com>
8701
8702         * testsuite/initpri1.c: Don't try to use constructor priorities if
8703         compiling with gcc before 4.3.
8704
8705 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8706
8707         * testsuite/retain_symbols_file_test.sh (check_present): Change
8708         output file name to retain_symbols_file_test.stdout.
8709         (check_absent): Likewise.
8710
8711 2009-09-18  Craig Silverstein  <csilvers@google.com>
8712
8713         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8714         * options.cc: Include <cerrno> and <fstream>.
8715         (General_options::finalize): Parse -retain-symbols-file tag.
8716         * options.h: New flag.
8717         (General_options): New method should_retain_symbol, new
8718         variable symbols_to_retain.
8719         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8720         should_retain_symbol map.
8721         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8722         * testsuite/Makefile.in: Regenerate.
8723         * testsuite/retain_symbols_file_test.sh: New file.
8724
8725 2009-09-18  Nick Clifton  <nickc@redhat.com>
8726
8727         * po/es.po: Updated Spanish translation.
8728
8729 2009-09-17  Doug Kwan  <dougkwan@google.com>
8730
8731         * debug.h (DEBUG_RELAXATION): New constant.
8732         (DEBUG_ALL): Add DEBUG_RELAXATION.
8733         (debug_string_to_enum): Add relaxation debug option.
8734         * layout.cc
8735         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8736         Layout::Relaxation_debug_check::read_sections,
8737         Layout::Relaxation_debug_check::read_sections): New method definitions.
8738         (Layout::Layout): Initialize data members
8739         record_output_section_data_from_scrips_,
8740         script_output_section_data_list_ and relaxation_debug_check_.
8741         (Layout::save_segments, Layout::restore_segments,
8742         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8743         Layout::relaxation_loop_body): New method definitions.
8744         (Layout::finalize): Support relaxation.  Move section layout code to
8745         Layout::relaxation_loop_body.
8746         (Layout::set_asection_address_from_script): Move code for orphan
8747         section placement out.
8748         (Layout::place_orphan_sections_in_script): New method definition.
8749         * layout.h (Output_segment_headers, Output_file_header):
8750         New forward class declarations.
8751         (Layout::~Layout): Define.
8752         (Layout::new_output_section_data_from_script): New method definition.
8753         (Layout::place_orphan_sections_in_script): New method declaration.
8754         (Layout::Segment_states): New type declaration.
8755         (Layout::save_segments, Layout::restore_segments,
8756         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8757         Layout::relaxation_loop_body): New method declarations.
8758         (Layout::Output_section_data_list): New type declaration.
8759         (Layout::Relaxation_debug_check): New class definition.
8760         (Layout::record_output_section_data_from_script_,
8761         Layout::script_output_section_data_list_, Layout::segment_states_,
8762         Layout::relaxation_debug_check_): New data members.
8763         * output.cc: (Output_section_headers::do_size): New method definition.
8764         (Output_section_headers::Output_section_headers): Move size
8765         computation to Output_section_headers::do_size.
8766         (Output_segment_headers::do_size): New method definition.
8767         (Output_file_header::Output_file_header): Move size computation to
8768         Output_file_header::do_size and call it.
8769         (Output_file_header::do_size): New method definition.
8770         (Output_data_group::Output_data_group): Adjust call to
8771         Output_section_data.
8772         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8773         (Output_symtab_xindex::do_write): Add array bound check.
8774         (Output_section::Input_section::print_to_mapfile): Handle
8775         RELAXED_INPUT_SECTION_CODE.
8776         (Output_section::Output_section): Initialize data member checkpoint_.
8777         (Output_section::~Output_section): Delete checkpoint object pointed
8778         by checkpoint_.
8779         (Output_section::add_input_section): Always add an Input_section if
8780         relaxing.
8781         (Output_section::add_merge_input_section): Add assert.
8782         (Output_section::relax_input_section): New method definition.
8783         (Output_section::set_final_data_size): Set load address to zero for
8784         an unallocated section.
8785         (Output_section::do_address_and_file_offset_have_reset_values):
8786         New method definition.
8787         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8788         Handle relaxed input section.
8789         (Output_section::sort_attached_input_sections): Checkpoint input
8790         section list lazily.
8791         (Output_section::get_input_sections): Change type of input_sections to
8792         list of Simple_input_section pointers.  Checkpoint input section list
8793         lazily.  Also handle relaxed input sections.
8794         (Output_section::add_input_section_for_script): Take a reference to
8795         a Simple_input_section object instead of Relobj pointer and section
8796         index as parameter.  Handle relaxed input sections.
8797         (Output_section::save_states, Output_section::restore_states): New
8798         method definitions.
8799         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8800         (Output_data::is_data_size_fixed): New method definition.
8801         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8802         if it is fixed.
8803         (Output_data::address_and_file_offset_have_reset_values): New method
8804         definition.
8805         (Output_data::do_address_and_file_offset_have_reset_values): New method
8806         definition.
8807         (Output_data::set_data_size): Check that data size is not fixed.
8808         (Output_data::fix_data_size): New method definition.
8809         (Output_data::is_data_size_fixed_): New data member.
8810         (Output_section_headers::set_final_data_size): New method definition.
8811         (Output_section_headers::do_size): New method declaration.
8812         (Output_segment_headers::set_final_data_size): New method definition.
8813         (Output_segment_headers::do_size): New method declaration.
8814         (Output_file_header::set_final_data_size)::New method definition.
8815         (Output_file_header::do_size)::New method declaration.
8816         (Output_section_data::Output_section_data): Add new parameter
8817         is_data_size_fixed and use it to fix data size.
8818         (Output_data_const::Output_data_const): Adjust call to base class
8819         constructor and fix data size.
8820         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8821         base class constructor and fix data size.
8822         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8823         base class constructor and fix data size.
8824         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8825         class constructor and fix data size.
8826         (Output_data_group::set_final_data_size): New method definition.
8827         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8828         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8829         class constructor and fix data size.
8830         (Output_relaxed_input_section): New class definition.
8831         (Output_section::Simple_input_section): New class definition.
8832         (Output_section::get_input_sections): Adjust parameter list.
8833         (Output_section::add_input_section_for_script): Same.
8834         (Output_section::save_states, Output_section::restore_states,
8835         Output_section::do_address_and_file_offset_have_reset_values,
8836         (Output_section::Input_section::Input_section): Handle
8837         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8838         Output_relaxed_input_section.
8839         (Output_section::Input_section::is_input_section,
8840         Output_section::Input_section::set_output_section): Handle relaxed
8841         input section.
8842         (Output_section::Input_section::is_relaxed_input_section,
8843         Output_section::Input_section::output_section_data,
8844         Output_section::Input_section::relaxed_input_section): New method
8845         definitions.
8846         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8847         value.
8848         (Output_section::Input_section::u1_): Update comments.
8849         (Output_section::Input_section::u2_): Add new union member poris.
8850         (Output_section::Checkpoint_output_section): New classs definition.
8851         (Output_section::relax_input_section): New method declaration.
8852         (Output_section::checkpoint_): New data member.
8853         (Output_segment): Update comments.
8854         (Output_segment::Output_segment): Un-privatize copy constructor.
8855         (Output_segment::operator=): Un-privatize.
8856         * script-sections.cc (Output_section_element::Input_section_list):
8857         Change element type to Output_section::Simple_input_section.
8858         (Output_section_element_dot_assignment::set_section_addresses):
8859         Register output section data for relaxation clean up.
8860         (Output_data_exression::Output_data_expression): Adjust call to base
8861         constructor to fix data size.
8862         (Output_section_element_data::set_section_addresses): Register
8863         Output_data_expression object for relaxation clean up.
8864         (struct Input_section_info): Replace Relobj pointer and section index
8865         pair with Output_section::Simple_input_section and Convert struct to a
8866         class.
8867         (Input_section_sorter::operator()): Adjust access to
8868         Input_section_info data member to use accessors.
8869         (Output_section_element_input::set_section_addresses): Use layout
8870         parameter.  Adjust code to use Output_section::Simple_input_section
8871         and Input_secction_info classes.  Register filler for relaxation
8872         clean up.
8873         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8874         and section index pair with Output_section::Simple_input_section
8875         class.  Adjust code accordingly.
8876         (Phdrs_element::release_segment): New method definition.
8877         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8878         segment list.
8879         (Script_sections::release_segments): New method definition.
8880         * gold/script-sections.h (Script_sections::release_segments): New
8881         method declaration.
8882         * gold/target.h (Target::may_relax, Target::relax,
8883         Target::do_may_relax, Target::do_relax): New method definitions.
8884
8885 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8886
8887         * arm.cc (has_signed_unsigned_overflow): New function.
8888         (Arm_relocate_functions::abs8): New function.
8889         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8890         (Target_arm::Scan::global): Likewise.
8891         (Target_arm::relocate::relocate): Likewise.
8892         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8893         Likewise.
8894
8895 2009-09-16  Cary Coutant  <ccoutant@google.com>
8896
8897         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8898         * testsuite/Makefile.in: Regenerate.
8899
8900 2009-09-11  Nick Clifton  <nickc@redhat.com>
8901
8902         * po/gold.pot: Updated by the Translation project.
8903
8904 2009-09-08  Cary Coutant  <ccoutant@google.com>
8905
8906         * output.cc (Output_file::open): Add execute permission to empty file.
8907         * testsuite/Makefile.am (permission_test): New test.
8908         * testsuite/Makefile.in: Regenerate.
8909
8910 2009-09-02  Ian Lance Taylor  <iant@google.com>
8911
8912         * output.cc (Output_file::resize): Call map_no_anonymous rather
8913         than map.
8914
8915 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8916
8917         * gold.cc: Include "incremental.h".
8918         (queue_initial_tasks): Call Incremental_checker methods.
8919         * incremental.cc: Include "output.h".
8920         (Incremental_checker::can_incrementally_link_output_file): New
8921         method.
8922         * incremental.h (Incremental_checker): New class.
8923
8924         * output.cc (Output_file::open_for_modification): New method.
8925         (Output_file::map_anonymous): Changed return type to bool.  Record
8926         map in base_ field.
8927         (Output_file::map_no_anonymous): New method, broken out of map.
8928         (Output_file::map): Use map_no_anonymous and map_anonymous.
8929         * output.h (class Output_file): Update declarations.
8930
8931 2009-08-24  Cary Coutant  <ccoutant@google.com>
8932
8933         * options.h (Command_line::Pre_options): New class.
8934         (Command_line::pre_options): New member.
8935         * options.cc (gold::options::ready_to_register): New variable.
8936         (One_option::register_option): Do nothing if not registering options.
8937         Assert if same short option registered twice.
8938         (General_options::General_options): Turn off option registration when
8939         done constructing.
8940         (Command_line::Pre_options::Pre_options): New constructor.
8941
8942 2009-08-24  Cary Coutant  <ccoutant@google.com>
8943
8944         * options.h (General_options::no_keep_memory): Remove incorrect
8945         short option.
8946
8947 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8948
8949         * Makefile.am (am__skiplex, am__skipyacc): New.
8950         * Makefile.in: Regenerate.
8951
8952 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8953
8954         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8955         (INCLUDES): ... this.
8956         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8957         (AM_CPPFLAGS): Renamed from ...
8958         (INCLUDE): ... this.
8959         * Makefile.in, testsuite/Makefile.in: Regenerate.
8960
8961         * Makefile.in: Regenerate.
8962         * aclocal.m4: Likewise.
8963         * config.in: Likewise.
8964         * configure: Likewise.
8965         * testsuite/Makefile.in: Likewise.
8966
8967         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8968         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8969         * Makefile.in: Regenerate.
8970         * testsuite/Makefile.in: Regenerate.
8971
8972 2009-08-19  Cary Coutant  <ccoutant@google.com>
8973
8974         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8975         symbols in shared libraries overridden by hidden or internal symbols
8976         in the main program.
8977
8978 2009-08-19  Chris Demetriou  <cgd@google.com>
8979
8980         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8981         checking source file names in error messages.
8982
8983 2009-08-18  Doug Kwan  <dougkwan@google.com>
8984
8985         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8986         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8987         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8988         an elfcpp::Ehdr as parameter.
8989         * object.cc (Object::set_target): Remove the version that looks up
8990         a target and sets it.
8991         (Sized_relobj::setup): Take a Target object instead of
8992         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8993         (make_elf_sized_object): Find target and ask target to
8994         make an ELF object.
8995         * object.h: (Object::set_target): Remove the version that looks up
8996         a target and sets it.
8997         (Sized_relobj::setup): Take a Target object instead of
8998         an elfcpp:Ehdr as parameter.
8999         * target.cc: Include dynobj.h.
9000         (Target::do_make_elf_object_implementation): New.
9001         (Target::do_make_elf_object): New.
9002         * target.h (Target::make_elf_object): New template declaration.
9003         (Target::do_make_elf_object): New method declarations.
9004         (Target::do_make_elf_object_implementation): New template declaration.
9005
9006 2009-08-14  Ian Lance Taylor  <iant@google.com>
9007
9008         * gold.h (FUNCTION_NAME): Define.
9009         (gold_unreachable): Use FUNCTION_NAME.
9010
9011 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9012
9013         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9014         symbol in the --keep-unique list is not found.
9015
9016 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9017
9018         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9019         been maked as --keep-unique.
9020         (Icf::unfold_section): New function.
9021         * icf.h (Icf::unfold_section): New function.
9022         * options.h (General_options::keep_unique): New option.
9023         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9024         * testsuite/Makefile.in: Regenerate.
9025         * testsuite/icf_keep_unique_test.sh: New file.
9026         * testsuite/icf_keep_unique_test.cc: New file.
9027
9028 2009-08-12  Cary Coutant  <ccoutant@google.com>
9029
9030         PR 10471
9031         * resolve.cc (Symbol_table::resolve): Check for references from
9032         dynamic objects to hidden and internal symbols.
9033         * testsuite/Makefile.am (hidden_test.sh): New test.
9034         * testsuite/Makefile.in: Regenerate.
9035         * testsuite/hidden_test.sh: New script.
9036         * testsuite/hidden_test_1.c: New test source.
9037         * testsuite/hidden_test_main.c: New test source.
9038
9039 2009-08-11  Doug Kwan  <dougkwan@google.com>
9040
9041         * arm.cc: Update comments.
9042         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9043         segment to locate the .ARM.exidx section if present.
9044
9045 2009-08-09  Doug Kwan  <dougkwan@google.com>
9046
9047         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9048         patch.
9049
9050 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9051         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9052         compiler warnings.
9053
9054 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9055
9056         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9057         valid tls_segment only for non-debug-section relocations.
9058         * testsuite/Makefile.am: Add gc_tls_test.
9059         * testsuite/Makefile.in: Regenerate.
9060         * testsuite/gc_tls_test.cc: New file.
9061         * testsuite/gc_tls_test.sh: New file.
9062
9063 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9064
9065         * icf.cc: New file.
9066         * icf.h: New file.
9067         * Makefile.am (CCFILES): Add icf.cc.
9068         (HFILES): Add icf.h
9069         * Makefile.in: Regenerate.
9070         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9071         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9072         section, symbol and addend information for the relocs.
9073         * gold.cc (queue_middle_tasks): Call identical code folding.
9074         * gold.h: Add defines for multimap.
9075         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9076         to the call of finalize_local_symbols.
9077         * main.cc (main): Create object of class Icf.
9078         * object.cc (Sized_relobj::do_layout): Allow this function to be
9079         called twice during icf.
9080         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9081         to sections marked as identical by icf.
9082         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9083         when available.
9084         (Sized_relobj::do_section_entsize): New function.
9085         * object.h (Object::section_entsize): New function.
9086         (Object::do_section_entsize): New pure virtual function.
9087         (Relobj::finalize_local_symbols): Add new parameter.
9088         (Relobj::do_section_entsize): New function.
9089         * options.h (General_options::icf): New option.
9090         (General_options::icf_iterations): New option.
9091         (General_options::print_icf_sections): New option.
9092         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9093         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9094         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9095         icf.
9096         * symtab.cc (Symbol_table::is_section_folded): New function.
9097         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9098         to sections marked as identical by icf.
9099         * symtab.h (Symbol_table::set_icf): New function.
9100         (Symbol_table::icf): New function.
9101         (Symbol_table::is_section_folded): New function.
9102         (Symbol_table::icf_): New data member.
9103         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9104         * testsuite/Makefile.am: Add commands to build icf_test.
9105         * testsuite/Makefile.in: Regenerate.
9106         * testsuite/icf_test.sh: New file.
9107         * testsuite/icf_test.cc: New file.
9108
9109 2009-07-24  Chris Demetriou  <cgd@google.com>
9110
9111         * layout.cc (is_compressible_debug_section): Fix incorrect
9112         comment about compressed section names.
9113
9114 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9115
9116         PR 10419
9117         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9118
9119 2009-07-16  Ian Lance Taylor  <iant@google.com>
9120
9121         PR 10400
9122         * layout.h: #include <map>.
9123         (class Kept_section): Change from struct to class.  Add accessors
9124         and setters.  Add section size to Comdat_group mapping.  Change
9125         Comdat_group to std::map.  Add is_comdat_ field.  Add
9126         linkonce_size field in union.
9127         (class Layout): Update declaration of find_or_add_kept_section.
9128         Don't declare find_kept_object.
9129         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9130         parameter.  Add object, shndx, is_comdat, and is_group_name
9131         parameters.  Change all callers.  Adjust for new Kept_section.
9132         (Layout::find_kept_object): Remove.
9133         * object.cc (Sized_relobj::include_section_group): Update use of
9134         Kept_section.  Rename secnum to shndx.  Only record
9135         Kept_comdat_section if sections are the same size.
9136         (Sized_relobj::include_linkonce_section): Update use of
9137         Kept_section.  Only record Kept_comdat_section if sections are the
9138         same size.  Set size of linkonce section.
9139         (Sized_relobj::map_to_kept_section): Update call to
9140         get_kept_comdat_section.
9141         * object.h (class Sized_relobj): Rename fields in
9142         Kept_comdat_section to drop trailing underscores; change object
9143         field to Relobj*.  Change Kept_comdat_section_table to store
9144         struct rather than pointer.
9145         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9146         Add kept_object and kept_shndx parameters.  Change all callers.
9147         (Sized_relobj::get_kept_comdat_section): Change return type to
9148         bool.  Add kept_object and kept_shndx parameters.  Change all
9149         callers.
9150         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9151         Layout::find_or_add_kept_section.
9152
9153 2009-07-09  Ian Lance Taylor  <iant@google.com>
9154
9155         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9156         Reserve space in the hash table.
9157
9158 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9159
9160         * fileread.cc (File_read::get_mtime): New method.
9161         * fileread.h (Timespec): New structure.
9162         (File_read::get_mtime): New method.
9163         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9164         Renamed from timestamp_nsec.
9165         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9166         Elf_Xword.
9167         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9168         timestamp_nsec.
9169         (Incremental_inputs::report_archive): Save mtime; style fix.
9170         (Incremental_inputs::report_obejct): Save mtime; style fix.
9171         (Incremental_inputs::report_script): Save mtime; style fix.
9172         (Incremental_inputs::finalize_inputs): Style fix.
9173         (Incremental_inputs::finalize): Style fix.
9174         (Incremental_inputs::create_input_section_data): Store inputs
9175         mtime.
9176         * incremental.h (Incremental_inputs::report_script): Add mtime
9177         argument.
9178         (Incremental_inputs::Input_info::Input_info): Intialize only one
9179         union member.
9180         (Incremental_inputs::Input_info::archive): Move to nameless
9181         union.
9182         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9183         (Incremental_inputs::Input_info::script): Move to nameless union.
9184         (Incremental_inputs::mtime): New field.
9185         * script.cc (read_input_script): Pass file mtime to
9186         Incremental_input.
9187         * script.h (Script_info::inputs): Style fix.
9188
9189 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9190
9191         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9192         instead of 32.
9193
9194 2009-06-24  Ian Lance Taylor  <iant@google.com>
9195
9196         PR 10156
9197         * layout.cc (Layout::choose_output_section): If we find an
9198         existing section, update the flags.
9199         (Layout::create_notes): New function, broken out of
9200         Layout::finalize.
9201         (Layout::finalize): Don't create note sections.
9202         (Layout::create_note): Don't crash if linker script discards
9203         section.
9204         (Layout::create_gold_note): Likewise.
9205         (Layout::create_build_id): Likewise.  Don't set
9206         after_input_sections on the section.
9207         (Layout::create_executable_stack_info): Remove target parameter.
9208         Change caller.
9209         * layout.h (class Layout): Declare create_notes.  Update
9210         declaration of create_executable_stack_info.
9211         * gold.cc (queue_middle_tasks): Call create_notes.
9212         * output.cc (Output_section::update_flags_for_input_section): Move
9213         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9214         invalid.
9215         * output.h (Output_data::mark_address_invalid): New function.
9216         (class Output_section): Only declare, not define,
9217         update_flags_for_input_section.  Remove set_flags.
9218
9219 2009-06-24  Ian Lance Taylor  <iant@google.com>
9220
9221         * script-sections.cc (Output_section_definition::
9222         set_section_addresses): Rename shadowing local load_address to
9223         laddr.
9224
9225 2009-06-24  Ian Lance Taylor  <iant@google.com>
9226
9227         PR 10244
9228         * reloc.cc (relocate_sections): Skip empty relocation sections.
9229
9230 2009-06-23  Ian Lance Taylor  <iant@google.com>
9231
9232         PR 10156
9233         * layout.cc (Layout::create_note): Use choose_output_section
9234         rather than make_output_section.
9235
9236 2009-06-23  Ian Lance Taylor  <iant@google.com>
9237
9238         PR 10237
9239         * options.cc (General_options::parse_V): Set printed_version_.
9240         (General_options::General_options): Initialize printed_version_.
9241         * options.h (class General_options): Add printed_version_ field.
9242         * gold.cc (queue_initial_tasks): If there are no input files,
9243         don't give a fatal error if we printed the version information.
9244         (queue_middle_tasks): If using -r with a shared object, give a
9245         fatal error rather than an ordinary error.
9246
9247 2009-06-23  Ian Lance Taylor  <iant@google.com>
9248
9249         PR 10219
9250         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9251         (Layout::make_output_section): Set have_stabstr_section_ if we see
9252         a .stab*str section.
9253         (Layout::finalize): Call link_stabs_sections.
9254         (Layout::link_stabs_sections): New file.
9255         * layout.h (class Layout): Add have_stabstr_section_ field.
9256         Declare link_stabs_sections.
9257
9258 2009-06-23  Doug Kwan  <dougkwan@google.com>
9259
9260         * Makefile.am (libgold_a_LIBADD): New.
9261         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9262         * Makefile.in: Regenerate.
9263         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9264         * configure: Regenerate.
9265         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9266         * fileread.cc: Include sys/state.h
9267         * gold.h: Declare memmem and strndup if found missing.
9268         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9269
9270 2009-06-23  Ian Lance Taylor  <iant@google.com>
9271
9272         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9273         * configure: Rebuild.
9274
9275 2009-06-23  Ian Lance Taylor  <iant@google.com>
9276
9277         PR 10147
9278         * object.cc (Object::section_contents): Don't try to get a view if
9279         the section has length zero.
9280         (Object::handle_gnu_warning_section): If the section is empty, use
9281         the name of the section as the warning.
9282
9283 2009-06-23  Ian Lance Taylor  <iant@google.com>
9284
9285         PR 10133
9286         * stringpool.h (class Stringpool_template): Add optimize_ field.
9287         (Stringpool_template::set_optimize): New function.
9288         * stringpool.cc (Stringpool_template::Stringpool_template):
9289         Initialize optimize_ field.
9290         (Stringpool_template::set_string_offsets): Test local optimize
9291         fild rather than parameter.
9292         * layout.cc (Layout::Layout): Call set_optimize on the section
9293         name stringpool.
9294
9295 2009-06-22  Ian Lance Taylor  <iant@google.com>
9296
9297         PR 10030
9298         * yyscript.y: Parse TARGET.
9299         * script.cc (script_set_target): New function.
9300         * script-c.h (script_set_target): Declare.
9301         * options.cc (General_options::string_to_object_format): Rename
9302         from string_to_object_format in anonymous namespace.  Change
9303         callers.
9304         * options.h (class General_options): Declare
9305         string_to_object_format.
9306
9307 2009-06-22  Ian Lance Taylor  <iant@google.com>
9308
9309         * script-sections.cc (Script_sections::create_segments): Don't put
9310         program headers in a PT_LOAD segment if -n or -N.
9311
9312 2009-06-22  Ian Lance Taylor  <iant@google.com>
9313
9314         PR 10141
9315         * options.h (class General_options): Add -z lazy and -z now.  Sort
9316         -z options into alphabetical order.
9317         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9318
9319 2009-06-21  Ian Lance Taylor  <iant@google.com>
9320
9321         * layout.cc (Layout::make_output_section): Call
9322         Target::new_output_section.
9323         (Layout::attach_allocated_section_to_segment): Put large section
9324         sections in a separate load segment with the large segment flag
9325         set.
9326         (Layout::segment_precedes): Sort large data segments after other
9327         load segments.
9328         (align_file_offset): New static function.
9329         (Layout::set_segment_offsets): Use align_file_offset.
9330         * output.h (class Output_section): Add is_small_section_ and
9331         is_large_section_ fields.
9332         (Output_section::is_small_section): New function.
9333         (Output_section::set_is_small_section):  New function.
9334         (Output_section::is_large_section): New function.
9335         (Output_section::set_is_large_section): New function.
9336         (Output_section::is_large_data_section): New function.
9337         (class Output_segment): Add is_large_data_segment_ field.
9338         (Output_segment::is_large_data_segment): New function.
9339         (Output_segment::set_is_large_data_segment): New function.
9340         * output.cc (Output_section::Output_section): Initialize new
9341         fields.
9342         (Output_segment::Output_segment): Likewise.
9343         (Output_segment::add_output_section): Add assertion that large
9344         data sections always go in large data segments.  Force small data
9345         sections to the end of the list of data sections.  Force small BSS
9346         sections to the start of the list of BSS sections.  For large BSS
9347         sections to the end of the list of BSS sections.
9348         * symtab.h (class Symbol): Declare is_common_shndx.
9349         (Symbol::is_defined): Check Symbol::is_common_shndx.
9350         (Symbol::is_common): Likewise.
9351         (class Symbol_table): Define enum Commons_section_type.  Update
9352         declarations.  Add small_commons_ and large_commons_ fields.
9353         * symtab.cc (Symbol::is_common_shndx): New function.
9354         (Symbol_table::Symbol_table): Initialize new fields.
9355         (Symbol_table::add_from_object): Put small and large common
9356         symbols in the right list.
9357         (Symbol_table::sized_finalized_symbol): Check
9358         Symbol::is_common_shndx.
9359         (Symbol_table::sized_write_globals): Likewise.
9360         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9361         common symbol lists.  Don't call do_allocate_commons_list if the
9362         list is empty.
9363         (Symbol_table::do_allocate_commons_list): Remove is_tls
9364         parameter.  Add comons_section_type parameter.  Change all
9365         callers.  Handle small and large common symbols.
9366         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9367         Symbol::is_common_shndx.
9368         * resolve.cc (symbol_to_bits): Likewise.
9369         * target.h (Target::small_common_shndx): New function.
9370         (Target::small_common_section_flags): New function.
9371         (Target::large_common_shndx): New function.
9372         (Target::large_common_section_flags): New function.
9373         (Target::new_output_section): New function.
9374         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9375         small_common_section_flags, and large_common_section_flags
9376         fields.
9377         (Target::do_new_output_section): New virtual function.
9378         * arm.cc (Target_arm::arm_info): Initialize new fields.
9379         * i386.cc (Target_i386::i386_info): Likewise.
9380         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9381         Likewise.
9382         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9383         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9384         (Target_x86_64::do_new_output_section): New function.
9385         * configure.ac: Define conditional MCMODEL_MEDIUM.
9386         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9387         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9388         (large_LDFLAGS): Define.
9389         * testsuite/large.c: New file.
9390         * testsuite/testfile.cc (Target_test::test_target_info):
9391         Initialize new fields.
9392         * configure, testsuite/Makefile.in: Rebuild.
9393
9394 2009-06-05  Doug Kwan  <dougkwan@google.com>
9395
9396         * Makefile.am (CCFILES): Add target.cc.
9397         * Makefile.in: Regenerate.
9398         * i386.cc (class Target_i386): Define new virtual method to
9399         override do_is_local_label_name in parent.
9400         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9401         local symbols if --discard-locals or -X is given.
9402         * options.h (class General_options): Declare new options
9403         '--discard-locals' and '-X' for discarding locals.
9404         * target.h (class Target): Define new methods is_local_label_name.
9405         Declare new virtual method do_is_local_label_name.
9406         * target.cc: New file.
9407         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9408         (check_SCRIPTS): Add discard_locals_test.sh.
9409         (check_DATA): Add discard_local_tests.syms.
9410         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9411         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9412         * testsuite/Makefile.in: Regenerate.
9413         * testsuite/discard_locals_test.c: New file.
9414         * testsuite/discard_locals_test.sh: Same.
9415
9416 2009-06-05  Doug Kwan  <dougkwan@google.com>
9417
9418         * object.cc (Sized_relobj::Sized_relobj): Initialize
9419         discarded_eh_frame_shndx_ to -1U.
9420         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9421         section.
9422         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9423         a discarded .eh_frame section.
9424         (Sized_relobj::do_finalize_local_symbols): Ditto.
9425         * object.h (class Sized_relobj): Declare new member
9426         discarded_eh_frame_shndx_.
9427         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9428         (local_labels_test.o, local_labels_test): New rules.
9429         * testsuite/Makefile.in: Regenerate.
9430
9431 2009-06-04  Doug Kwan  <dougkwan@google.com>
9432
9433         * layout.cc (Layout::section_name_mapping): Add mapping for
9434         special ARM sections.
9435
9436 2009-06-03  Doug Kwan  <dougkwan@google.com>
9437
9438         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9439         (utils::has_overflow): Same.
9440
9441 2009-06-03  Ian Lance Taylor  <iant@google.com>
9442
9443         * layout.cc (Layout::section_name_mapping): New array, replacing
9444         Layout::linkonce_mapping.
9445         (Layout::section_name_mapping_count): New variable, replacing
9446         Layout::linkonce_mapping_count.
9447         (Layout::linkonce_output_name): Remove.
9448         (Layout::output_section_name): Rewrite.
9449         * layout.h (class Layout): Rename Linkonce_mapping to
9450         Section_name_mapping, linkonce_mapping to section_name_mapping,
9451         linkonce_mapping_count to section_name_mapping_count.  Don't
9452         declare linkonce_output_name.
9453
9454 2009-06-03  Doug Kwan  <dougkwan@google.com>
9455
9456         * gold/arm.cc (namespace utils): New.
9457         (Target_arm::reloc_is_non_pic): Define new method.
9458         (class Arm_relocate_functions): New.
9459         (Target_arm::Relocate::relocate): Handle relocation types used by
9460         Android.
9461
9462 2009-06-03  Ian Lance Taylor  <iant@google.com>
9463
9464         * arm.cc (Target_arm::scan::global): Use || instead of |.
9465
9466 2009-06-02  Doug Kwan  <dougkwan@google.com>
9467
9468         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9469         issued_non_pic_error_.
9470         (class Target_arm::Scan): Declare new method check_non_pic.
9471         Define new method symbol_needs_plt_entry.
9472         Declare new data member issued_non_pic_error_.
9473         (class Target_arm::Relocate): Declare new method
9474         should_apply_static_reloc.
9475         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9476         (Target_arm::Scan::check_non_pic): Define new method.
9477         (Target_arm::Scan::local): Handle a small subset of reloc types used
9478         by Android.
9479         (Target_arm::Scan::local): Same.
9480         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9481
9482 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9483
9484         * incremental.cc (Incremental_inputs::report_command_line): Filter
9485         out --incremental-* options.
9486
9487 2009-05-29  Doug Kwan  <dougkwan@google.com>
9488
9489         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9490         template class.
9491         (class Target_arm): Update comment.
9492         (Target_arm::Target_arm): Initialize new data members GOT_,
9493         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9494         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9495         and Target_arm::rel_dyn_section.
9496         Declare new_enum Target_arm::Got_type.
9497         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9498         and DYNBSS_.
9499         Update commments for member do_dynsym_value.
9500         (Target_arm::got_size, Target_arm::plt_section,
9501         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9502         new methods inside class defintion.
9503         (Target_arm::got_section): Define new method.
9504         (Target_arm::rel_dyn_section): Same.
9505         (Output_data_plt_arm): New template class.
9506         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9507         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9508         (Output_data_plt_arm::add_entry): Same.
9509         (Output_data_plt_arm::first_plt_entry): Define new
9510         static data member for PLT instruction template.
9511         (Output_data_plt_arm::plt_entry): Same.
9512         (Output_data_plt_arm::do_write): Define new method.
9513         (Target_arm::make_plt_entry): Same.
9514         (Target_arm::do_finalize_sections): Same.
9515         (Target_arm::do_dynsym_value): Same.
9516
9517 2009-05-28  Doug Kwan  <dougkwan@google.com>
9518
9519         * Makefile.am (TARGETSOURCES): Add arm.cc.
9520         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9521         * Makefile.in: Regenerate.
9522         * arm.cc: New file.
9523         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9524
9525 2009-05-26  Doug Kwan  <dougkwan@google.com>
9526
9527         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9528         (General_options::check_excluded_libs): Strip off directories in
9529         archive name before matching like GNU ld does.
9530         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9531         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9532         (exclude_libs_test_LDFLAGS): Add linker option
9533         -Wl,--exclude-libs,libexclude_libs_test_3
9534         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9535         an explicit archive without using -l.
9536         (alt/libexclude_libs_test_3.a): New make rule.
9537         * testsuite/Makefile.in: Regenerate.
9538         * testsuite/exclude_libs_test.c : Declare lib3_default().
9539         (main): Call it.
9540         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9541         * exclude_libs_test_3.c: New file.
9542
9543 2009-05-26  Nick Clifton  <nickc@redhat.com>
9544
9545         * po/id.po: New Indonesian translation.
9546         * po/gold.pot: Updated template file.
9547
9548 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9549
9550         * testsuite/Makefile.am: Add -ffunction-sections to compile
9551         gc_comdat_test files.  Add -Wl,--gc-sections to build
9552         gc_comdat_test.
9553         * testsuite/Makefile.in: Regenerate.
9554         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9555
9556 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9557
9558         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9559         kept comdat section was garbage collected.
9560         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9561         * testsuite/Makefile.in: Regenerate.
9562         * testsuite/gc_comdat_test.sh: New file.
9563         * testsuite/gc_comdat_test_1.cc: New file.
9564         * testsuite/gc_comdat_test_2.cc: New file.
9565
9566 2009-05-19  Doug Kwan  <dougkwan@google.com>
9567
9568         * archive.cc (Archive::Archive): Move constructor from archive.h
9569         to here.  Initialize no_export_.
9570         (Archive::get_elf_object_for_member): Set no_export flag of object.
9571         * archive.h (Archive::Archive): Move constructor body to
9572         archive.cc.
9573         (Archive::no_export): New method.
9574         (Archive::no_export_): New field.
9575         * object.h (Object::Object): Initialize no_export_ to false.
9576         (Object::no_export, Object::set_no_export): New methods.
9577         (Object::no_export_): New field.
9578         * options.cc (General_options::parse_exclude_libs): New method.
9579         (General_options::check_excluded_libs) Same.
9580         * options.h (exclude_libs): New option.
9581         (General_options::check_excluded_libs): New method declaration.
9582         (General_options::excluded_libs_): New field.
9583         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9584         default or protected visibility if an object has no-export flag set.
9585         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9586         (check_SCRIPTS): Add exclude_libs_test.sh.
9587         (check_DATA): Add exclude_libs_test.syms.
9588         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9589         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9590         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9591         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9592         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9593         libexclude_libs_test_2.a): New rules.
9594         * testsuite/Makefile.in: Regenerate.
9595         * testsuite/exclude_libs_test.c: New file.
9596         * testsuite/exclude_libs_test.sh: Ditto.
9597         * testsuite/exclude_libs_test_1.c: Ditto.
9598         * testsuite/exclude_libs_test_2.c: Ditto.
9599
9600 2009-05-15  Ian Lance Taylor  <iant@google.com>
9601
9602         * configure.ac: Check for declarations for cases where libiberty.h
9603         checks HAVE_DECL_xxx.
9604         * configure, config.in: Rebuild.
9605
9606 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9607
9608         * gold.h (Incremental_argument_list): Remove (invalid) forward
9609         declaration.
9610         * incremental.cc (Incremental_inputs::report_achive): New method.
9611         (Incremental_inputs::report_object): New method.
9612         (Incremental_inputs::report_script): New method.
9613         (Incremental_inputs::finalize_inputs): New method.
9614         (Incremental_inputs::finalize): Call finalize_inputs().
9615         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9616         Create inputs entries.
9617         * incremental.h (Incremental_input_type): New enum.
9618         (Incremental_inputs::Incremental_input): Initialize new fields.
9619         (Incremental_inputs::report_inputs): New method.
9620         (Incremental_inputs::report_achive): New method.
9621         (Incremental_inputs::report_object): New method.
9622         (Incremental_inputs::report_script): New method.
9623         (Incremental_inputs::finalize_inputs): New method.
9624         (Incremental_inputs::Input_info): New struct.
9625         (Incremental_inputs::Input_info_map): New typedef.
9626         (Incremental_inputs::lock_): New field.
9627         (Incremental_inputs::Inputs_): New field.
9628         (Incremental_inputs::Inputs_map): New field.
9629         * main.cc (main): Call Incremental_input::report_inputs.
9630         * options.h (Input_argument_list): Typedef moved from
9631         Input_arguments.
9632         (Input_file_group::Files): Remove, use ::Input_argument_list.
9633         (Input_file_group::Input_argument_list): Remove, use
9634         ::Input_argument_list.
9635         * plugin.cc (Plugin_manager::add_input_file): Add error in
9636         incremental build.
9637         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9638         functions.
9639         * script.cc (read_input_script): Call
9640         Incremental_input::report_script.
9641         * script.h (Script_info): New class.
9642
9643 2009-04-27  Ian Lance Taylor  <iant@google.com>
9644
9645         * x86_64.cc (do_adjust_output_section): Set entsize to
9646         plt_entry_size.
9647
9648 2009-04-23  Elliott Hughes  <enh@google.com>
9649
9650         * output.cc (Output_file::close): After short writes, continue
9651         writing from the correct offset in the buffer being written.
9652
9653 2009-04-23  Chris Demetriou  <cgd@google.com>
9654
9655         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9656         * configure: Regenerate.
9657         * config.in: Regenerate.
9658         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9659         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9660
9661 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9662
9663         * incremental.cc (Incremental_inputs_header_data): Renamed from
9664         Incremental_input_header_data.
9665         (Incremental_inputs_header_data::data_size): New field.
9666         (Incremental_inputs_header_data::put_input_file_count): Renamed
9667         from input_file_count.
9668         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9669         from command_line_offset.
9670         (Incremental_inputs_header_data::put_reserved): Renamed from
9671         put_reserved.
9672         (Incremental_inputs_entry_data): Renamed from
9673         Incremental_input_entry_data.
9674         (Incremental_inputs_entry_data::data_size): New field.
9675         (Incremental_inputs::report_command_line): New method.
9676         (Incremental_inputs::finalize): New method.
9677         (Incremental_inputs::create_incremental_inputs_data): New method.
9678         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9679         * incremental.h: New file.
9680         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9681        (Layout::finalize): Create incremental inputs section in
9682         incremental builds.
9683        (Layout::create_incremental_info_sections): New method.
9684         * layout.h (Layout::incremental_inputs): New method.
9685        (Layout::create_incremental_info_sections): New method.
9686        (Layout::incremental_inputs_): New field.
9687         * main.cc (main): Notify Incremental_input of the command line.
9688
9689 2009-04-01  Ian Lance Taylor  <iant@google.com>
9690             Mikolaj Zalewski  <mikolajz@google.com>
9691
9692         * gold.h (reserve_unordered_map): Define, three versions, one for
9693         each version of Unordered_map.
9694         * layout.cc (Layout::Layout): Remove options parameter.  Add
9695         number_of_input_files parameter.  Don't initialize options_.
9696         Initialize number_of_input_files_ and resized_signatures_.  Move
9697         sections_are_attached_.
9698         (Layout::layout_group): Reserve space for group_signatures_.
9699         (Layout::find_or_add_kept_section): Change name parameter to be a
9700         reference.  Resize signatures_ map when it gets large enough.
9701         (Layout::layout_eh_frame): Use parameters->options() instead of
9702         this->options_.
9703         (Layout::make_output_section): Likewise.
9704         (Layout::attach_allocated_section_to_segment): Likewise.
9705         (Layout::finalize, Layout::create_executable_stack): Likewise.
9706         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9707         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9708         * layout.h (class Layout): Update declarations.  Remove options_
9709         field.  Add number_of_input_files_ and resized_signatures_
9710         fields.  Move sections_are_attached_ field.
9711         * main.cc (main): Pass number of input files to Layout
9712         constructor.  Don't pass options.
9713
9714 2009-03-30  Ian Lance Taylor  <iant@google.com>
9715
9716         * ffsll.c (ffsll): Correct implementation.
9717
9718 2009-03-27  Ian Lance Taylor  <iant@google.com>
9719
9720         * ffsll.c: New file.
9721         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9722         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9723         * ftruncate.c (ftruncate): Declare before definition.
9724         * mremap.c (mremap): Likewise.
9725         * pread.c (pread): Likewise.
9726         * configure, Makefile.in, config.in: Rebuild.
9727
9728         * mremap.c: New file.
9729         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9730         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9731         (mremap): Declare if HAVE_MREMAP is not defined.
9732         * configure, Makefile.in, config.in: Rebuild.
9733
9734 2009-03-27  Cary Coutant  <ccoutant@google.com>
9735
9736         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9737         position independent.
9738         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9739         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9740
9741 2009-03-24  Cary Coutant  <ccoutant@google.com>
9742
9743         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9744         an executable.
9745         (needs_dynamic_reloc): Likewise.
9746
9747 2009-03-24  Ian Lance Taylor  <iant@google.com>
9748
9749         * yyscript.y (file_cmd): Recognize EXTERN.
9750         (extern_name_list, extern_name_list_body): New nonterminals.
9751         * script.cc (script_add_extern): Define.
9752         * script-c.h (script_add_extern): Declare.
9753
9754 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9755
9756         * object.cc (is_elf_object): Define.
9757         * object.h (is_elf_object): Declare.
9758         * archive.cc (Archive::get_elf_object_for_member): Call
9759         is_elf_object.
9760         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9761
9762 2009-03-24  Elliott Hughes  <enh@google.com>
9763
9764         * output.cc (Output_file::map_anonymous): Define.
9765         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9766         try an anonymous one.  Report the size if the mmap fails.
9767         * output.h (class Output_file): Declare map_anonymous.
9768
9769 2009-03-24  Ian Lance Taylor  <iant@google.com>
9770
9771         * target-select.cc (instantiate_target): Don't acquire the lock if
9772         the instantiated_target_ field has already been set.
9773
9774 2009-03-23  Ian Lance Taylor  <iant@google.com>
9775
9776         * gold-threads.h (class Initialize_lock): Define.
9777         * gold-threads.cc (class Initialize_lock_once): Define.
9778         (initialize_lock_control): New static variable.
9779         (initialize_lock_pointer): New static variable.
9780         (initialize_lock_once): New static function.
9781         (Initialize_lock::Initialize_lock): Define.
9782         (Initialize_lock::initialize): Define.
9783         * target-select.h: Include "gold-threads.h".
9784         (class Target_selector): Add lock_ and initialize_lock_ fields.
9785         Don't define instantiate_target, just declare it.
9786         * target-select.cc (Target_selector::Target_selector): Initialize
9787         new fields.
9788         (Target_selector::instantiate_target): Define.
9789         * descriptors.h: Include "gold-threads.h".
9790         (class Descriptors): Add initialize_lock_ field.
9791         * descriptors.cc (Descriptors::Descriptors): Initialize new
9792         field.
9793         (Descriptors::open): Use initialize_lock_ field
9794         * errors.h (class Errors): Add initialize_lock_ field.
9795         * errors.cc (Errors::Errors): Initialize new field.
9796         (Errors::initialize_lock): Use initialize_lock_ field.
9797         * powerpc.cc (class Target_selector_powerpc): Remove
9798         instantiated_target_ field.  In do_recognize call
9799         instantiate_target rather than do_instantiate_target.  In
9800         do_instantiate_target just allocate a new target.
9801         * sparc.cc (class Target_selector_sparc): Likewise.
9802
9803         * freebsd.h: New file.
9804         * i386.cc: Include "freebsd.h".
9805         (Target_i386): Derive from Target_freebsd rather than
9806         Sized_target.
9807         (Target_selector_i386): Derive from Target_selector_freebsd rather
9808         than Target_selector.
9809         * x86_64.cc: Include "freebsd.h".
9810         (Target_x86_64): Derive from Target_freebsd rather than
9811         Sized_target.
9812         (Target_selector_x86_64): Derive from Target_selector_freebsd
9813         rather than Target_selector.
9814         * target.h (class Target): Add adjust_elf_header and
9815         do_adjust_elf_header.
9816         * output.cc (Output_file_header:: do_sized_write): Call target
9817         adjust_elf_header routine.
9818         * configure.tgt: Set targ_osabi.
9819         * configure.ac: Define GOLD_DEFAULT_OSABI.
9820         * parameters.cc (Parameters::default_target): Pass
9821         GOLD_DEFAULT_OSABI to select_target.
9822         * target-select.h (class Target_selector): Make instantiate_target
9823         protected rather than private.
9824         * Makefile.am (HFILES): Add freebsd.h.
9825         * configure, Makefile.in, config.in: Rebuild.
9826
9827         * merge.cc (do_add_input_section): Correct pend value.  Change
9828         message about last entry not being null terminated from error to
9829         warning.
9830
9831 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9832
9833         * incremental.cc: New file.
9834         * Makefile.am (CCFILES): Add incremental.cc.
9835         * Makefile.in: Rebuild.
9836
9837 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9838
9839         * layout.cc (Layout::output_section_name): Preserve names
9840         of '.note.' sections.
9841
9842 2009-03-19  Ian Lance Taylor  <iant@google.com>
9843
9844         * descriptors.cc (Descriptors::open): Check that the options are
9845         valid before using them.
9846
9847 2009-03-18  Ian Lance Taylor  <iant@google.com>
9848
9849         * script-sections.h: Include <list>.
9850         (class Script_sections): Change Sections_elements from std::vector
9851         to std::list.  Typedef public Elements_iterator.  Add
9852         orphan_section_placement_, data_segment_align_start_, and
9853         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9854         field.
9855         * script-sections.cc (class Orphan_section_placement): New class.
9856         (class Sections_element): Add virtual functions is_relro and
9857         orphan_section_init.  Remove virtual function place_orphan_here.
9858         (class Output_section_definition): Add is_relro and
9859         orphan_section_init.  Remove place_orphan_here.
9860         (class Orphan_output_section): Likewise.
9861         (Script_sections::Script_sections): Update for field changes.
9862         (Script_sections::data_segment_align): Set saw_data_segment_align_
9863         and data_segment_align_start_, not data_segment_align_index.
9864         (Script_sections::data_segment_relro_end): Check
9865         saw_data_segment_align_.  Use data_segment_align_start_ rather
9866         than data_segment_align_index_.
9867         (Script_sections::place_orphan): Rewrite to use
9868         Orphan_section_placement.
9869
9870 2009-03-17  Ian Lance Taylor  <iant@google.com>
9871
9872         * archive.cc (Archive::add_symbols): Check for a version attached
9873         to the symbol name in the archive map.
9874         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9875         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9876         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9877         (ver_test_11.a): New target.
9878         * testsuite/Makefile.in: Rebuild.
9879
9880         * configure.ac: Check for chsize and posix_fallocate.  Replace
9881         ftruncate.
9882         * ftruncate.c: New file, from gnulib.
9883         * output.cc (posix_fallocate): Define dummy version if not
9884         HAVE_POSIX_FALLOCATE.
9885         (Output_file::map): Call posix_fallocate rather than lseek and
9886         write.
9887         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9888         * configure, Makefile.in, config.in: Rebuild.
9889
9890 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9891
9892         * layout.h (Layout::create_note): Add section_name parameter.
9893         * layout.cc (Layout::create_note): Likewise.
9894         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9895
9896 2009-03-17  Ian Lance Taylor  <iant@google.com>
9897
9898         * descriptors.cc: Include "options.h".
9899         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9900         (Descriptors::open): Always use O_CLOEXEC when opening a new
9901         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9902         then set FD_CLOEXEC.
9903
9904         * sparc.cc (class Target_sparc): Add has_got_section.
9905         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9906         make sure we have a GOT section.
9907
9908         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9909         (Target_sparc::Scan::local): Likewise.
9910         (Target_sparc::Scan::global): Likewise.
9911         (Target_sparc::Relocate::relocate): Likewise.
9912         (Target_sparc::Relocate::relocate_tls): Likewise.
9913
9914         * symtab.cc (Symbol_table::define_default_version): New function,
9915         broken out of add_from_object.
9916         (Symbol_table::add_from_object): Call define_default_version.
9917         (Symbol_table::define_special_symbol): Add resolve_oldsym
9918         parameter.  Change all callers.  If the version for a symbol comes
9919         from a version script, resolve it with the symbol with the same
9920         name with no version.  Also add the symbol without a version if
9921         appropriate.
9922         (do_define_in_output_data): If resolving with oldsym, don't delete
9923         sym.
9924         (do_define_in_output_segment): Likewise.
9925         (do_define_as_constant): Likewise.
9926         * symtab.h (class Symbol_table): Update declarations.
9927
9928 2009-03-13  Ian Lance Taylor  <iant@google.com>
9929
9930         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9931         (Read_symbols::requeue): New function.
9932         (Read_symbols::do_read_symbols): If make_elf_object fails because
9933         the target type is not configured, and the file was searched for,
9934         issue a warning and retry with the next directory.
9935         (Add_symbols::run): If the file has an incompatible format, and
9936         it was searched for, requeue the Read_symbols task.  On error,
9937         release the object.
9938         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9939         dirindex parameter to constructor.  Change all callers.  Declare
9940         incompatible_warning and requeue.
9941         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9942         input_argument_ and input_group_ fields.  Add them to
9943         constructor.  Change all callers.
9944         (class Read_script): Add dirindex_ field.  Add it to constructor.
9945         Change all callers.
9946         * archive.cc (Archive::setup): Remove input_objects parameter.
9947         Change all callers.
9948         (Archive::get_file_and_offset): Likewise.
9949         (Archive::read_all_symbols): Likewise.
9950         (Archive::read_symbols): Likewise.
9951         (Archive::get_elf_object_for_member): Remove input_objects
9952         parameter.  Add punconfigured parameter.  Change all callers.
9953         (Archive::add_symbols): Change return type to bool.  Check return
9954         value of include_member.
9955         (Archive::include_all_members): Likewise.
9956         (Archive::include_member): Change return type to bool.  Return
9957         false if first included object has incompatible target.  Set
9958         included_member_ field.
9959         (Add_archive_symbols::run): If add_symbols returns false, requeue
9960         Read_symbols task.
9961         * archive.h (class Archive): Add included_member_ field.
9962         Initialize it in constructor.  Add input_file and searched_for
9963         methods.  Update declarations.
9964         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9965         input_argument_ fields.  Add them to constructor.  Change all
9966         callers.
9967         * script.cc: Include "target-select.h".
9968         (class Parser_closure): Add skip_on_incompatible_target_ and
9969         found_incompatible_target_ fields.  Add
9970         skip_on_incompatible_target parameter to constructor.  Change all
9971         callers.  Add methods skip_on_incompatible_target,
9972         clear_skip_on_incompatible_target, found_incompatible_target, and
9973         set_found_incompatible_target.
9974         (read_input_script): Add dirindex parameter.  Change all callers.
9975         If parser finds an incompatible target, requeue Read_symbols
9976         task.
9977         (script_set_symbol): Clear skip_on_incompatible_target in
9978         closure.
9979         (script_add_assertion, script_parse_option): Likewise.
9980         (script_start_sections, script_add_phdr): Likewise.
9981         (script_check_output_format): New function.
9982         * script.h (read_input_script): Update declaration.
9983         * script-c.h (script_check_output_format): Declare.
9984         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9985         (ignore_cmd): Remove OUTPUT_FORMAT.
9986         * fileread.cc (Input_file::Input_file): Add explicit this.
9987         (Input_file::will_search_for): New function.
9988         (Input_file::open): Add pindex parameter.  Change all callers.
9989         * fileread.h (class Input_file): Add input_file_argument method.
9990         Declare will_search_for.  Update declarations.
9991         * object.cc (make_elf_object): Add punconfigured parameter.
9992         Change all callers.
9993         * object.h (class Object): Make input_file public.  Add
9994         searched_for method.
9995         (make_elf_object): Update declaration.
9996         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9997         restart search.
9998         * dirsearch.h (class Dirsearch): Update declaration.
9999         * options.h (class General_options): Add --warn-search-mismatch.
10000         * parameters.cc (Parameters::is_compatible_target): New function.
10001         * parameters.h (class Parameters): Declare is_compatible_target.
10002         * workqueue.cc (Workqueue::add_blocker): New function.
10003         * workqueue.h (class Workqueue): Declare add_blocker.
10004
10005         * fileread.cc (Input_file::open): Remove options parameter.
10006         Change all callers.
10007         (Input_file::open_binary): Likewise.
10008         * script.cc (read_input_script): Likewise.
10009         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10010         options parameter from constructor.  Change all callers.
10011         (class Read_script): Likewise.
10012         * fileread.h (class Input_file): Update declarations.
10013         * script.h (read_input_script): Update declaration.
10014
10015 2009-03-10  Nick Clifton  <nickc@redhat.com>
10016
10017         * po/es.po: New Spanish translation.
10018
10019 2009-03-06  Cary Coutant  <ccoutant@google.com>
10020
10021         * options.cc (parse_short_option): Keep dash_z from registering itself.
10022
10023 2009-03-03  Ian Lance Taylor  <iant@google.com>
10024
10025         PR 9918
10026         * target-reloc.h (relocate_section): Pass output_section to
10027         relocate.
10028         * i386.cc (Target_i386::should_apply_static_reloc): Add
10029         output_section parameter.  Change all callers.
10030         (Target_i386::Relocate::relocate): Add output_section parameter.
10031         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10032         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10033         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10034         * testsuite/two_file_shared.sh: New script.
10035         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10036         (check_DATA): Add two_file_shared.dbg.
10037         (two_file_shared.dbg): New target.
10038         * testsuite/Makefile.in: Rebuild.
10039
10040 2009-03-01  Ian Lance Taylor  <iant@google.com>
10041
10042         * configure.ac: Check for byteswap.h.
10043         * configure: Rebuild.
10044         * config.in: Rebuild.
10045
10046 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10047
10048         * layout.cc (Layout::find_or_add_kept_section): New function.
10049         (Layout::add_comdat): Removed.
10050         * layout.h (struct Kept_section): Move out of class Layout.
10051         Remove trailing underscores from field names.  Add group_sections
10052         field.  Rename group_ field to is_group.  Change all uses.
10053         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10054         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10055         comdat_groups_ field.
10056         (Sized_relobj::include_section_group): Use
10057         find_or_add_kept_section and Kept_section::group_sections.
10058         (Sized_relobj::include_linkonce_section): Likewise.
10059         * object.cc (class Sized_relobj): Don't define Comdat_group or
10060         Comdat_group_table.  Remove find_comdat_group and
10061         add_comdat_group.  Remove comdat_groups_ field.
10062         * plugin.cc (include_comdat_group): Use
10063         Layout::find_or_add_kept_section.
10064
10065 2009-02-28  Ian Lance Taylor  <iant@google.com>
10066
10067         * README: --gc-sections and map files are now supported.  Document
10068         some build requirements.
10069
10070         PR 6992
10071         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10072         relocatable link set the value of the section symbol to zero.
10073         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10074         relocatable link don't include the section address in the local
10075         symbol value.
10076
10077 2009-02-27  Ian Lance Taylor  <iant@google.com>
10078
10079         PR 6811
10080         * options.h (class Search_directory): Add is_system_directory.
10081         (class General_options): Declare is_in_system_directory.
10082         * options.cc (get_relative_sysroot): Make static.
10083         (get_default_sysroot): Make static.
10084         (General_optoins::is_in_system_directory): New function.
10085         * fileread.cc (Input_file::is_in_system_directory): New function.
10086         * fileread.h (class Input_file): Declare is_in_system_directory.
10087         * object.h (class Object): Add is_in_system_directory.
10088         (class Input_objects): Remove system_library_directory_ field.
10089         * object.cc (Input_objects::add_object): Don't set
10090         system_library_directory_.
10091         (input_objects::found_in_system_library_directory): Remove.
10092         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10093         parameter.  Change all callers.
10094         (Symbol_table::sized_write_globals): Likewise.
10095         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10096         Call Object::is_in_system_directory.
10097         * symtab.h (class Symbol_table): Update declarations.
10098
10099         PR 5990
10100         * descriptors.h (Open_descriptor): Add is_on_stack field.
10101         * descriptors.cc (Descriptors::open): If the descriptor is on the
10102         top of the stack, remove it.  Initialize is_on_stack field.
10103         (Descriptors::release): Only add pod to stack if it is not on the
10104         stack already.
10105         (Descriptors::close_some_descriptor): Clear stack_next and
10106         is_on_stack fields.
10107
10108         PR 7091
10109         * output.cc (Output_section::find_starting_output_address): Rename
10110         from starting_output_address; add PADDR parameter; change return
10111         type.
10112         * output.h (class Output_section): Declare
10113         find_starting_output_address instead of starting_output_address.
10114         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10115         section symbol for which we can't find a merge section.
10116
10117         PR 9836
10118         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10119         hidden or internal, force the symbol to be local.
10120         * resolve.cc (Symbol::override_visibility): Define.
10121         (Symbol::override_base): Use override_visibility.
10122         (Symbol_table::resolve): Likewise.
10123         (Symbol::override_base_with_special): Likewise.
10124         (Symbol_table::override_with_special): If the visibility is hidden
10125         or internal, force the symbol to be local.
10126         * symtab.h (class Symbol): Add set_visibility and
10127         override_visibility.
10128         * testsuite/ver_test_1.sh: New file.
10129         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10130         (check_DATA): Add ver_test_1.syms.
10131         (ver_test_1.syms): New target.
10132         * testsuite/Makefile.in: Rebuild.
10133
10134 2009-02-25  Cary Coutant  <ccoutant@google.com>
10135
10136         * layout.cc (Layout::choose_output_section): Don't rename sections
10137         when using a linker script that has a SECTIONS clause.
10138         * Makefile.in: Regenerate.
10139
10140         * testsuite/Makefile.am (script_test_5.sh): New test case.
10141         * testsuite/Makefile.in: Regenerate.
10142         * testsuite/script_test_5.cc: New file.
10143         * testsuite/script_test_5.sh: New file.
10144         * testsuite/script_test_5.t: New file.
10145
10146 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10147
10148         * archive.cc (Archive::include_member): Update calls to add_symbols.
10149         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10150         the Layout argument.
10151         * dynobj.h (do_add_symbols): Add the Layout argument.
10152         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10153         Layout argument.
10154         * object.h (Object::add_symbols): Add the Layout argument.
10155         (Object::do_add_symbols): Add the Layout argument.
10156         (Sized_relobj::do_add_symbols): Add the Layout argument.
10157         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10158         Unify the two versions.
10159         (Add_plugin_symbols): Remove.
10160         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10161         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10162         (Add_plugin_symbols): Remove.
10163         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10164         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10165         (Add_symbols::run): Make it work with Pulginobj.
10166
10167 2009-02-06  Ian Lance Taylor  <iant@google.com>
10168
10169         * object.cc (Sized_relobj::do_layout): Make info message start
10170         with lower case letter.
10171
10172 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10173
10174         * binary.cc: Fix file comment.
10175
10176         * options.h (enum Incremental_disposition): Define.
10177         (class General_options): Add new options: --incremental,
10178         --incremental_changed, --incremental_unchanged,
10179         --incremental_unknown.  Add incremental_disposition_ and
10180         implicit_incremental_ fields.
10181         (General_options::incremental_disposition): New function.
10182         (class Position_dependent_options): Add incremental_disposition
10183         option.
10184         (Position_dependent_options::copy_from_options): Set incremental
10185         dispositions.
10186         * options.cc (General_options::parse_incremental_changed): New
10187         function.
10188         (General_options::parse_incremental_unchanged): New function.
10189         (General_options::parse_incremental_unknown): New function.
10190         (General_options::General_options): Initialize new fields
10191         incremental_disposition_ and implicit_incremental_.
10192         (General_options::finalize): Check for uasge of --incremental-*
10193         without --incremental.
10194
10195 2009-02-06  Chris Demetriou  <cgd@google.com>
10196
10197         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10198         pointer and to report location as the file name associated with
10199         the symbol.
10200         (gold_undefined_symbol_at_location): New function to replace the
10201         old gold_undefined_symbol functionality.
10202         * target-reloc.h (relocate_section): Update to use
10203         gold_undefined_symbol_at_location.
10204         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10205         Call gold_undefined_symbol function rather than gold_error.
10206         * errors.h (Errors::undefined_symbol): Take location as a
10207         string, rather than calculating it from a relocation.
10208         * errors.cc (Errors::fatal): Print "fatal error:" before the
10209         formatted message.
10210         (Errors::error, Errors::error_at_location): Print "error: "
10211         before the formatted message.
10212         (Errors::undefined_symbol): Take location as a string, rather
10213         than calculating it from a relocation.
10214         (gold_undefined_symbol_at_location): New function akin to
10215         old gold_undefined_symbol, calculates location from relocation.
10216         (gold_undefined_symbol): Change to take only a Symbol pointer
10217         and to report location as the file name associated with the symbol.
10218         * testsuite/debug_msg.sh: Update for changed error messages.
10219         * testsuite/undef_symbol.sh: Likewise.
10220
10221 2009-02-04  Duncan Sands  <baldrick@free.fr>
10222
10223         PR 9812
10224         * reduced_debug_output.h
10225         (Output_reduced_debug_abbrev_section::failed): Use format for
10226         gold_warning.
10227         (Output_reduced_debug_info_section::faild): Likewise.
10228
10229 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10230
10231         * script.cc (Lazy_demangler): New class.
10232         (Version_script_info::get_symbol_version_helper): Demangle a
10233         symbol only once.
10234
10235 2009-01-29  Cary Coutant  <ccoutant@google.com>
10236
10237         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10238         to __tls_get_addr.
10239         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10240
10241 2009-01-28  Ian Lance Taylor  <iant@google.com>
10242
10243         * version.cc (version_string): Bump to 1.9.
10244
10245         * gold.h: Include <cstring> and <stdint.h>.
10246         * version.cc: Include <cstdio>.
10247         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10248         warning.
10249         * reduced_debug_output.cc (insert_into_vector): Rename from
10250         Insert_into_vector; change all callers.  Use Swap_unaligned to
10251         avoid aliasing issue; remove union since it is unnecessary.
10252
10253 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10254
10255         * Makefile.am (CCFILES): Add gc.cc.
10256         (HFILES): Add gc.h.
10257         * Makefile.in: Regenerate.
10258         * gold.cc (Gc_runner): New class.
10259         (queue_initial_tasks): Call garbage collection related tasks
10260         when corresponding options are invoked.
10261         (queue_middle_gc_tasks): New function.
10262         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10263         processed early before laying out sections during garbage collection.
10264         * gold.h (queue_middle_gc_tasks): New function.
10265         (is_prefix_of): Move from "layout.cc".
10266         * i386.cc (Target_i386::gc_process_relocs): New function.
10267         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10268         * main.cc (main): Create object of class "Garbage_collection".
10269         * object.cc (Relobj::copy_symbols_data): New function.
10270         (Relobj::is_section_name_included): New function.
10271         (Sized_relobj::do_layout): Allow this function to be called twice
10272         during garbage collection and defer layout of section during the
10273         first call.
10274         * object.h (Relobj::get_symbols_data): New function.
10275         (Relobj::is_section_name_included): New function.
10276         (Relobj::copy_symbols_data): New function.
10277         (Relobj::set_symbols_data): New function.
10278         (Relobj::get_relocs_data): New function.
10279         (Relobj::set_relocs_data): New function.
10280         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10281         (Relobj::gc_process_relocs): New function.
10282         (Relobj::do_gc_process_relocs): New pure virtual function.
10283         (Relobj::sd_): New data member.
10284         (Sized_relobj::is_output_section_offset_invalid): New function.
10285         (Sized_relobj::do_gc_process_relocs): New function.
10286         * options.h (General_options::gc_sections): Modify to not be a no-op.
10287         (General_options::print_gc_sections): New option.
10288         * plugin.cc (Plugin_finish::run): Remove function call to
10289         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10290         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10291         * reloc.cc (Read_relocs::run): Add task to process relocs and
10292         determine unreferenced sections when doing garbage collection.
10293         (Gc_process_relocs): New class.
10294         (Sized_relobj::do_gc_process_relocs): New function.
10295         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10296         sections that are garbage collected.
10297         * reloc.h (Gc_process_relocs): New class.
10298         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10299         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10300         symbols whose corresponding sections are garbage collected.
10301         (Symbol_table::Symbol_table): Add new parameter for the garbage
10302         collection object.
10303         (Symbol_table::gc_mark_undef_symbols): New function.
10304         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10305         (Symbol_table::gc_mark_dyn_syms): New function.
10306         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10307         as garbage.
10308         (Symbol_table::add_from_object): Likewise.
10309         (Symbol_table::add_from_relobj): When building shared objects, do not
10310         treat externally visible symbols as garbage.
10311         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10312         table information for static and relocatable links.
10313         * symtab.h (Symbol_table::set_gc): New function.
10314         (Symbol_table::gc): New function.
10315         (Symbol_table::gc_mark_undef_symbols): New function.
10316         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10317         (Symbol_table::gc_mark_dyn_syms): New function.
10318         (Symbol_table::gc_): New data member.
10319         * target.h (Sized_target::gc_process_relocs): New pure virtual
10320         function.
10321         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10322         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10323
10324 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10325
10326         * options.h (General_options::gc_sections): Define as a no-op for now.
10327         (General_options::no_keep_memory): Ditto.
10328         (General_options::Bshareable): Define.
10329         * options.cc (General_options::finalize): Honor -Bshareable.
10330
10331 2009-01-20  Andreas Schwab  <schwab@suse.de>
10332
10333         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10334         read the value in the contents, since we don't use it.  Use the
10335         template endianness when writing.
10336         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10337
10338 2009-01-19  Andreas Schwab  <schwab@suse.de>
10339
10340         * configure.tgt (powerpc64-*): Fix targ_obj.
10341
10342 2009-01-15  Ian Lance Taylor  <iant@google.com>
10343
10344         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10345         local symbols when stripping all symbols.
10346
10347 2009-01-14  Cary Coutant  <ccoutant@google.com>
10348
10349         * output.cc (Output_reloc): Add explicit instantiations.
10350
10351 2009-01-14  Cary Coutant  <ccoutant@google.com>
10352
10353         * archive.cc (Archive::get_elf_object_for_member): Remove call
10354         to File_read::claim_for_plugin.
10355         * descriptors.cc (Descriptors::open): Remove reference to
10356         is_claimed.
10357         (Descriptors::claim_for_plugin): Remove.
10358         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10359         (Descriptors::is_claimed): Remove.
10360         (claim_descriptor_for_plugin): Remove.
10361         * fileread.cc (File_read::claim_for_plugin): Remove.
10362         * fileread.h (File_read::claim_for_plugin): Remove.
10363         (File_read::descriptor): Reopen descriptor if necessary.
10364         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10365         (Plugin_manager::all_symbols_read): Add task parameter. Change
10366         all callers.
10367         (Plugin_manager::get_input_file): New function.
10368         (Plugin_manager::release_input_file): New function.
10369         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10370         corresponding data member.
10371         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10372         and pass to base constructor. Change all callers.
10373         (get_input_file, release_input_file): New functions.
10374         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10375         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10376         (Plugin_manager::all_symbols_read): Add task parameter.
10377         (Plugin_manager::get_input_file): New function.
10378         (Plugin_manager::release_input_file): New function.
10379         (Plugin_manager::task_): New data member.
10380         (Pluginobj::Pluginobj): Add filesize parameter.
10381         (Pluginobj::filename): New function.
10382         (Pluginobj::descriptor): New function.
10383         (Pluginobj::filesize): New function.
10384         (Pluginobj::filesize_): New data member.
10385         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10386         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10387         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10388
10389         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10390         with archive libraries.
10391         * testsuite/Makefile.in: Regenerate.
10392         * testsuite/plugin_test.c (struct sym_info): New type.
10393         (get_input_file, release_input_file): New static variables.
10394         (onload): Capture new transfer vector entries.
10395         (claim_file_hook): Stop reading at end of file according to filesize.
10396         Factor out parsing of readelf output into separate function.
10397         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10398         APIs and get the source file name from the symbol table.  Convert
10399         source file name to corresponding object file name.  Print info
10400         message when adding new input files.
10401         (parse_readelf_line): New function.
10402         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10403         * testsuite/plugin_test_2.sh: Likewise.
10404         * testsuite/plugin_test_3.sh: Likewise.
10405         * testsuite/plugin_test_4.sh: New test case.
10406
10407 2009-01-07  Ian Lance Taylor  <iant@google.com>
10408
10409         * version.cc (version_string): Bump to 1.8.
10410
10411 2008-12-23  Cary Coutant  <ccoutant@google.com>
10412
10413         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10414         * plugin.cc (Plugin_manager::finish): Rename as
10415         layout_deferred_objects.  Move cleanup to separate function.
10416         (Plugin_manager::cleanup): New function.
10417         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10418         separately.
10419         * plugin.h (Plugin_manager::finish): Rename as
10420         layout_deferred_objects.
10421         (Plugin_manager::cleanup): New function.
10422         (Plugin_manager::cleanup_done): New field.
10423
10424 2008-12-23  Cary Coutant  <ccoutant@google.com>
10425
10426         * plugin.cc (is_visible_from_outside): New function.
10427         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10428         so we don't return "IR only" status for exported symbols or -r links.
10429
10430         * testsuite/Makefile.am (plugin_test_3): New test case.
10431         * testsuite/Makefile.in: Regenerate.
10432         * testsuite/plugin_test_3.sh: New file.
10433
10434 2008-12-22  Cary Coutant  <ccoutant@google.com>
10435
10436         * object.cc (Sized_relobj::layout_section): New function.
10437         (Sized_relobj::do_layout): Defer layout of input sections until after
10438         plugin has provided replacement files.
10439         (Sized_relobj::do_layout_deferred_sections): New function.
10440         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10441         (Relobj::layout_deferred_sections): New function.
10442         (Relobj::do_layout_deferred_sections): New function.
10443         (Sized_relobj::do_layout_deferred_sections): New function.
10444         (Sized_relobj::layout_section): New function.
10445         (Sized_relobj::Deferred_layout): New structure.
10446         (Sized_relobj::deferred_layout_): New field.
10447         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10448         Change all callers.  Layout deferred sections.
10449         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10450         references.
10451         (Plugin_hook::run): Move code from do_plugin_hook inline.
10452         (Plugin_hook::do_plugin_hook): Remove.
10453         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10454         (Plugin_manager::finish): Renamed, was cleanup.
10455         (Plugin_manager::should_defer_layout): New function.
10456         (Plugin_manager::add_deferred_layout_object): New function.
10457         (Plugin_manager::Deferred_layout_list): New type.
10458         (Plugin_manager::deferred_layout_objects_): New field.
10459         (Plugin_hook::do_plugin_hook): Remove.
10460
10461 2008-12-17  Ian Lance Taylor  <iant@google.com>
10462
10463         * options.h (class General_options): Add --no case for
10464         --export-dynamic.
10465
10466 2008-12-16  Cary Coutant  <ccoutant@google.com>
10467
10468         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10469         vector.
10470         (Plugin_manager::claim_file): Create plugin object even if
10471         plugin did not call the add_symbols callback.
10472         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10473         asking for more symbols than were added.
10474         * testsuite/Makefile.am (plugin_test_1): Add test case with
10475         no global symbols.
10476         (empty.syms): New target.
10477         * testsuite/Makefile.in: Regenerate.
10478         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10479         message. Don't call add_symbols if no globals.
10480         (all_symbols_read_hook): Don't provide replacement for empty
10481         claimed file.
10482
10483 2008-12-12  Ian Lance Taylor  <iant@google.com>
10484
10485         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10486         r_type == 0 for a local symbol with r_sym == 0.
10487         (scan_relocatable_relocs): Pass r_sym to
10488         local_non_section_strategy.
10489         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10490         r_sym parameter.
10491
10492         * configure.ac: Update test for TLS descriptors: they are
10493         supported as of glibc 2.9.
10494         * configure: Rebuild.
10495
10496 2008-12-11  Ian Lance Taylor  <iant@google.com>
10497
10498         PR 7091
10499         * target-reloc.h (Default_scan_relocatable_relocs): For each
10500         function, map r_type == 0 to RELOC_DISCARD.
10501
10502 2008-12-10  Cary Coutant  <ccoutant@google.com>
10503
10504         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10505         object to override a kept COMDAT group from a plugin object.
10506
10507 2008-12-09  Ian Lance Taylor  <iant@google.com>
10508
10509         PR 7088
10510         * yyscript.y (file_cmd): Handle INPUT.
10511
10512         * testsuite/initpri1.c: Change all declarations to be full
10513         prototypes by adding void, to avoid compiler warnings.
10514
10515 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10516
10517         * options.cc (General_options::parse_plugin_opt): New.
10518         (General_options::add_plugin): The argument now is just the filename.
10519         (General_options::add_plugin_option): New.
10520         * options.h (plugin_opt): New.
10521         (add_plugin): Change argument name.
10522         (add_plugin_option): New.
10523         * plugin.cc (Plugin::load): Don't parse the plugin option.
10524         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10525         (Plugin::add_option): New.
10526         (Plugin::args_): Change type.
10527         (Plugin::filename_): New.
10528         (Plugin_manager::add_plugin_option): New.
10529         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10530         * testsuite/Makefile.in: Regenerate.
10531
10532 2008-12-05  Cary Coutant  <ccoutant@google.com>
10533
10534         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10535         Handle --strip-lto-sections option.
10536         * options.h (strip_lto_sections): New option.
10537
10538 2008-12-01  Cary Coutant  <ccoutant@google.com>
10539
10540         * plugin.cc (ld_plugin_message): Change format parameter to const.
10541         Fix mismatch between new[] and delete.
10542
10543 2008-11-14  Cary Coutant  <ccoutant@google.com>
10544
10545         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10546         instead of -1U.
10547
10548 2008-11-05  Craig Silverstein  <csilvers@google.com>
10549
10550         * options.cc (General_options::parse_dynamic_list): New function.
10551         * options.h (General_options): New flags dynamic_list,
10552         dynamic_list_data, dynamic_list_cpp_new, and
10553         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10554         (General_options::in_dynamic_list): New function.
10555         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10556         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10557         (Lex::can_continue_name): Likewise.
10558         (yylex): Likewise.
10559         (read_script_file): New parameter script_options.
10560         (read_dynamic_list): New function.
10561         (Script_options::define_dynamic_list): New function.
10562         (dynamic_list_keyword_parsecodes): New variable.
10563         (dynamic_list_keywords): New variable.
10564         * script.h (Script_options::define_dynamic_list): New function
10565         prototype.
10566         (read_dynamic_list): New function prototype.
10567         * symtab.cc (strprefix): New macro.
10568         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10569         dynamic_list_data, dynamic_list_cpp_new, and
10570         dynamic_list_cpp_typeinfo.
10571         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10572         (dynamic_list_expr): New rule.
10573         (dynamic_list_nodes): Likewise.
10574         (dynamic_list_node): Likewise.
10575         * testsuite/Makefile.am (dynamic_list): New test.
10576         * testsuite/Makefile.in: Regenerated.
10577         * testsuite/dynamic_list.t: New file.
10578         * testsuite/dynamic_list.sh: New file.
10579
10580 2008-11-05  Craig Silverstein  <csilvers@google.com>
10581
10582         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10583         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10584         (t11_last): Likewise.
10585         * testsuite/ver_test_6.c (main): Likewise.
10586
10587 2008-10-07  Cary Coutant  <ccoutant@google.com>
10588
10589         * options.c (General_options::finalize): Add check for -static and
10590         -shared.
10591         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10592         is not empty.
10593
10594 2008-10-02  Cary Coutant  <ccoutant@google.com>
10595
10596         * plugin.cc (make_sized_plugin_object): Fix conditional
10597         compilation to work when not all targets are enabled.
10598
10599 2008-09-29  Cary Coutant  <ccoutant@google.com>
10600
10601         * archive.cc (Archive::get_file_and_offset): Use filename instead
10602         of name to get library path.
10603         (Archive::include_member): Unlock external member of a thin archive.
10604
10605         * testsuite/Makefile.am (TEST_AR): New variable.
10606         (thin_archive_test_1): New test.
10607         (thin_archive_test_2): New test.
10608         * testsuite/Makefile.in: Regenerate.
10609         * testsuite/thin_archive_main.cc: New file.
10610         * testsuite/thin_archive_test_1.cc: New file.
10611         * testsuite/thin_archive_test_2.cc: New file.
10612         * testsuite/thin_archive_test_3.cc: New file.
10613         * testsuite/thin_archive_test_4.cc: New file.
10614
10615 2008-09-29  Cary Coutant  <ccoutant@google.com>
10616
10617         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10618         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10619         instead of -1U.
10620         (Sized_relobj::do_finalize_local_symbols): Likewise.
10621         (Sized_relobj::map_to_kept_section): Likewise.
10622         * object.h (Sized_relobj::invalid_address): New constant.
10623         (Sized_relobj::do_output_section_offset): Check for invalid_address
10624         and return -1ULL.
10625         * output.cc (Output_reloc::local_section_offset): Use constant
10626         invalid_address instead of -1U.
10627         (Output_reloc::get_address): Likewise.
10628         (Output_section::output_address): Change -1U to -1ULL.
10629         * output.h (Output_reloc::invalid_address): New constant.
10630         * reloc.cc (Sized_relobj::write_sections): Use constant
10631         invalid_address instead of -1U.
10632         (Sized_relobj::relocate_sections): Likewise.
10633         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10634         values for merge sections.
10635         * target-reloc.h (relocate_for_relocatable): Use constant
10636         invalid_address instead of -1U.
10637
10638 2008-09-19  Cary Coutant  <ccoutant@google.com>
10639
10640         Add plugin functionality for link-time optimization (LTO).
10641         * configure.ac (plugins): Add --enable-plugins option.
10642         * configure: Regenerate.
10643         * config.in: Regenerate.
10644         * Makefile.am (LIBDL): New variable.
10645         (CCFILES): Add plugin.cc.
10646         (HFILES): Add plugin.h.
10647         (ldadd_var): Add LIBDL.
10648         * Makefile.in: Regenerate.
10649
10650         * archive.cc: Include "plugin.h".
10651         (Archive::setup): Don't preread archive symbols when using a plugin.
10652         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10653         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10654         files.
10655         (Archive::include_member): Add symbols from plugin objects.
10656         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10657         * descriptors.cc (Descriptors::open): Check for file descriptors
10658         abandoned by plugins.
10659         (Descriptors::claim_for_plugin): New function.
10660         * descriptors.h (Descriptors::claim_for_plugin): New function.
10661         (Open_descriptor::is_claimed): New field.
10662         (claim_descriptor_for_plugin): New function.
10663         * fileread.cc (File_read::claim_for_plugin): New function.
10664         * fileread.h (File_read::claim_for_plugin): New function.
10665         (File_read::descriptor): New function.
10666         * gold.cc: Include "plugin.h".
10667         (queue_initial_tasks): Add task to call plugin hooks for generating
10668         new object files.
10669         * main.cc: Include "plugin.h".
10670         (main): Load plugin libraries.
10671         * object.h (Pluginobj): Declare.
10672         (Object::pluginobj): New function.
10673         (Object::do_pluginobj): New function.
10674         (Object::set_target): New function.
10675         * options.cc: Include "plugin.h".
10676         (General_options::parse_plugin): New function.
10677         (General_options::General_options): Initialize plugins_ field.
10678         (General_options::add_plugin): New function.
10679         * options.h (Plugin_manager): Declare.
10680         (General_options): Add --plugin option.
10681         (General_options::has_plugins): New function.
10682         (General_options::plugins): New function.
10683         (General_options::add_plugin): New function.
10684         (General_options::plugins_): New field.
10685         * plugin.cc: New file.
10686         * plugin.h: New file.
10687         * readsyms.cc: Include "plugin.h".
10688         (Read_symbols::do_read_symbols): Check for archive before checking
10689         for ELF file.  Call plugin hooks to claim files.
10690         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10691         from a real object file; force override when processing replacement
10692         files.
10693         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10694         (Symbol::init_base_object): Likewise.
10695         (Symbol::init_base_output_data): Likewise.
10696         (Symbol::init_base_output_segment): Likewise.
10697         (Symbol::init_base_constant): Likewise.
10698         (Symbol::init_base_undefined): Likewise.
10699         (Symbol::output_section): Assert that object is not a plugin.
10700         (Symbol_table::add_from_pluginobj): New function.
10701         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10702         undefined.
10703         (Symbol_table::sized_write_globals): Likewise.
10704         (Symbol_table::add_from_pluginobj): Instantiate template.
10705         * symtab.h (Sized_pluginobj): Declare.
10706         (Symbol::in_real_elf): New function.
10707         (Symbol::set_in_real_elf): New function.
10708         (Symbol::in_real_elf_): New field.
10709         (Symbol_table::add_from_pluginobj): New function.
10710
10711         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10712         (LIBDL): New variable.
10713         (LDADD): Add LIBDL.
10714         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10715         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10716         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10717         (MOSTLYCLEANFILES): Likewise.
10718         * testsuite/Makefile.in: Regenerate.
10719         * testsuite/plugin_test.c: New file.
10720         * testsuite/plugin_test_1.sh: New file.
10721         * testsuite/plugin_test_2.sh: New file.
10722
10723 2008-09-16  Ian Lance Taylor  <iant@google.com>
10724
10725         * target-reloc.h (relocate_section): Check whether a symbol is
10726         defined by the ABI before reporting an undefined symbol error.
10727         * target.h (Target::is_defined_by_abi): Make parameter const.
10728         (Target::do_is_defined_by_abi): Likewise.
10729         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10730         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10731         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10732         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10733         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10734         * testsuite/Makefile.in: Rebuild.
10735
10736         * fileread.cc (make_view): Add casts to avoid warning.
10737
10738 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10739
10740         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10741         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10742
10743 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10744
10745         * options.h (General_options::output_is_executable): New.
10746         (General_options::output_is_pie): New.
10747         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10748         for shared libraries.
10749         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10750
10751 2008-09-11  Chris Demetriou  <cgd@google.com>
10752
10753         * options.h (origin): New -z option.
10754         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10755         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10756         in DT_FLAGS_1.
10757
10758 2008-09-05  Cary Coutant  <ccoutant@google.com>
10759
10760         * fileread.cc (File_read::make_view): Add check for attempt to map
10761         beyond end of file.
10762
10763 2008-09-05  Cary Coutant  <ccoutant@google.com>
10764
10765         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10766         explicit instantiations.
10767
10768 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10769
10770         PR gold/6858
10771         * options.cc (General_options::finalize): Allow undefined symbols
10772         in shlibs if linking -shared.
10773
10774         PR gold/6859
10775         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10776         symbols as not needing a dynsym entry.
10777
10778 2008-08-20  Craig Silverstein  <csilvers@google.com>
10779
10780         * fileread.cc (File_read::open): Do not lock the file unless it
10781         was successfully opened.
10782
10783 2008-08-14  Cary Coutant  <ccoutant@google.com>
10784
10785         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10786         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10787         * testsuite/tls_test.cc (struct int128): 128-bit struct
10788         for testing TLS relocs with non-zero addend.
10789         (v12): New TLS variable.
10790         (t12): New test.
10791         (t_last): Add check for v12.
10792         * testsuite/tls_test.h (t12): New function.
10793         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10794
10795 2008-08-13  Ian Lance Taylor  <iant@google.com>
10796
10797         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10798         set tls_segment_ or relro_segment_.
10799         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10800         when appropriate.
10801         * output.h (Output_section::clear_is_relro): New function.
10802         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10803         sections specially even when output_data_ is empty.
10804         (Output_segment::maximum_alignment): When first section is relro,
10805         only force alignment for PT_LOAD segments.
10806         * script.cc (script_data_segment_align): New function.
10807         (script_data_segment_relro_end): New function.
10808         * script-c.h (script_data_segment_align): Declare.
10809         (script_data_segment_relro_end): Declare.
10810         * script-sections.h (class Script_sections): Declare
10811         data_segment_align and data_segment_relro_end.  Add fields
10812         segment_align_index_ and saw_relro_end_.
10813         * script-sections.cc (class Sections_element): Add set_is_relro
10814         virtual function.  Add new bool* parameter to place_orphan_here.
10815         Add get_output_section virtual function.
10816         (class Output_section_definition): Add set_is_relro.  Add new
10817         bool* parameter to place_orphan_here.  Add get_output_section.
10818         Add is_relro_ field.
10819         (Output_section_definition::Output_section_definition): Initialize
10820         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10821         and is_relro_ fields.
10822         (Output_section_definition::place_orphan_here): Add is_relro
10823         parameter.
10824         (Output_section_definition::set_section_addresses): Set relro for
10825         output section.
10826         (Output_section_definition::alternate_constraint): Likewise.
10827         (class Orphan_output_section): Add new bool* parameter to
10828         place_orphan_here.  Add get_output_section.
10829         (Orphan_output_section::place_orphan_here): Add is_relro
10830         parameter.
10831         (Script_sections::Script_sections): Initialize
10832         data_segment_align_index_ and saw_relro_end_.
10833         (Script_sections::data_segment_align): New function.
10834         (Script_sections::data_segment_relro_end): New function.
10835         (Script_sections::place_orphan): Set or clear is_relro.
10836         (Script_sections::set_section_addresses): Force alignment of first
10837         TLS section.
10838         * yyscript.y (exp): Call script_data_segment_align and
10839         script_data_segment_relro_end.
10840         * testsuite/relro_script_test.t: New file.
10841         * testsuite/relro_test.cc (using_script): Declare.
10842         (t1, t2): Test using_script.
10843         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10844         (relro_script_test_SOURCES): Define.
10845         (relro_script_test_DEPENDENCIES): Define.
10846         (relro_script_test_LDFLAGS): Define.
10847         (relro_script_test_LDADD): Define.
10848         (relro_script_test.so): New target.
10849         * testsuite/Makefile.in: Rebuild.
10850
10851 2008-08-06  Cary Coutant <ccoutant@google.com>
10852
10853         * archive.cc (Archive::total_archives, Archive::total_members)
10854         (Archive::total_members_loaded): New variables.
10855         (Archive::setup): Add parameter.  Add option to preread
10856         archive symbols.
10857         (Archive::read_armap): Add counter.
10858         (Archive::get_file_and_offset): New function.
10859         (Archive::get_elf_object_for_member): New function.
10860         (Archive::read_all_symbols): New function.
10861         (Archive::read_symbols): New function.
10862         (Archive::add_symbols): Add counters.
10863         (Archive::include_all_members): Use armap to find members if it's
10864         already built.
10865         (Archive::include_member): Skip reading symbols if already read.
10866         Factored code into Archive::get_file_and_offset and
10867         Archive::get_elf_object_for_member.  Changed call to
10868         Mapfile::report_include_archive_member.
10869         (Archive::print_stats): New function.
10870         * archive.h: Declare Object and Read_symbols_data classes.
10871         (Archive::Archive): Add initializers for new members.
10872         (Archive::setup): Add parameter.
10873         (Archive::print_stats): New function.
10874         (Archive::total_archives, Archive::total_members)
10875         (Archive::total_members_loaded): New variables.
10876         (Archive::get_file_and_offset): New function.
10877         (Archive::get_elf_object_for_member): New function.
10878         (Archive::read_all_symbols): New function.
10879         (Archive::read_symbols): New function.
10880         (Archive::Archive_member): New class.
10881         (Archive::members_): New member.
10882         (Archive::num_members_): New member.
10883         * main.cc: Include archive.h.
10884         (main): Call Archive::print_stats.
10885         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10886         archive parameter; member_name is now the fully-decorated name.
10887         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10888         * options.h: (General_options): Add --preread-archive-symbols option.
10889         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10890         Archive::setup.
10891
10892 2008-08-04  Ian Lance Taylor  <iant@google.com>
10893
10894         * symtab.h (Symbol::use_plt_offset): New function.
10895         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10896         * powerpc.cc (Relocate::relocate): Likewise.
10897         * sparc.cc (Relocate::relocate): Likewise.
10898         * x86_64.cc (Relocate::relocate): Likewise.
10899         * testsuite/weak_plt.sh: New test.
10900         * testsuite/weak_plt_main.cc: New test.
10901         * testsuite/weak_plt_shared.cc: New test.
10902         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10903         (check_PROGRAMS): Add weak_plt.
10904         (check_DATA): Add weak_plt_shared.so.
10905         (weak_plt_main_pic.o, weak_plt): New targets.
10906         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10907         * testsuite/Makefile.in: Rebuild.
10908
10909         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10910         gcctestdir/ld.
10911         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10912         * testsuite/Makefile.in: Rebuild.
10913
10914 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10915
10916         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10917         * Makefile.in: Regenerate.
10918         * po/POTFILES.in: Regenerate.
10919
10920 2008-07-29  Ian Lance Taylor  <iant@google.com>
10921
10922         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10923         symbols before other symbols.
10924         * testsuite/script_test_2.cc (test_addr): Declare.
10925         (test_addr_alias): Declare.
10926         (main): Check that test_addr and test_addr_alias have the right
10927         values.
10928         * testsuite/script_test_2.t: Define test_addr_alias and
10929         test_addr.
10930
10931 2008-07-24  Ian Lance Taylor  <iant@google.com>
10932
10933         PR 5990
10934         * descriptors.cc: New file.
10935         * descriptors.h: New file.
10936         * gold-threads.h (class Hold_optional_lock): New class.
10937         * fileread.cc: Include "descriptors.h".
10938         (File_read::~File_read): Release descriptor rather than closing
10939         it.
10940         (File_read::open) [file]: Call open_descriptor rather than open.
10941         Set is_descriptor_opened_.
10942         (File_read::open) [memory]: Assert that descriptor is not open.
10943         (File_read::reopen_descriptor): New function.
10944         (File_read::release): Release descriptor.
10945         (File_read::do_read): Make non-const.  Reopen descriptor.
10946         (File_read::read): Make non-const.
10947         (File_read::make_view): Reopen descriptor.
10948         (File_read::do_readv): Likewise.
10949         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10950         Update declarations.
10951         * layout.cc: Include "descriptors.h".
10952         (Layout::create_build_id): Use open_descriptor rather than open.
10953         * output.cc: Include "descriptors.h".
10954         (Output_file::open): Use open_descriptor rather than open.
10955         * archive.cc (Archive::const_iterator): Change Archive to be
10956         non-const.
10957         (Archive::begin, Archive::end): Make non-const.
10958         (Archive::count_members): Likewise.
10959         * archive.h (class Archive): Update declarations.
10960         * object.h (Object::read): Make non-const.
10961         * Makefile.am (CCFILES): Add descriptors.cc.
10962         (HFILES): Add descriptors.h.
10963         * Makefile.in: Rebuild.
10964
10965         PR 6716
10966         * gold.h: Always include <clocale>.  Add Solaris workarounds
10967         following code in binutils/sysdep.h.
10968
10969         PR 6048
10970         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10971         this->eh_frame_hdr_ is NULL before using it.
10972
10973         * dynobj.cc (Versions::Versions): Update comment.
10974
10975         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10976         the base version name.
10977
10978         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10979         array size plus one.
10980         (Stringpool_template::set_string_offsets): Subtract one from key
10981         before using it as an array index.
10982         (Stringpool_template::get_offset_with_length): Likewise.
10983         (Stringpool_template::write_to_buffer): Likewise.
10984         * stringpool.h (Stringpool_template::get_offset_from_key):
10985         Likewise.
10986
10987 2008-07-23  Ian Lance Taylor  <iant@google.com>
10988
10989         PR 6658
10990         * object.h (Merged_symbol_value::value): Do our best to handle a
10991         negative addend.
10992
10993         PR 6647
10994         * script.cc (Version_script_info::get_versions): Don't add empty
10995         version tag to return value.
10996         (Version_script_info::get_symbol_version_helper): Change return
10997         type to bool.  Add pversion parameter.  Change all callers.
10998         (script_register_vers_node): Don't require a non-NULL tag.
10999         * script.h (class Version_script_info): Update declarations.
11000         (Version_script_info::get_symbol_version): Change return type to
11001         bool.  Add version parameter.  Change all callers.
11002         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11003         handling.  Handle an empty version from a version script.
11004         (Symbol_table::define_special_symbol): Likewise.
11005         * testsuite/ver_test_10.script: New file.
11006         * testsuite/ver_test_10.sh: New file.
11007         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11008         (check_DATA): Add ver_test_10.syms.
11009         (ver_test_10.syms, ver_test_10.so): New target.
11010         * testsuite/Makefile.in: Rebuild.
11011
11012 2008-07-23  Simon Baldwin  <simonb@google.com>
11013
11014         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11015         to zero for undefined symbols from dynamic libraries.
11016
11017 2008-07-23  Ian Lance Taylor  <iant@google.com>
11018
11019         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11020         Change all callers.
11021         * symtab.h (class Symbol_table): Update declaration.
11022         * testsuite/ver_test_9.cc: New file.
11023         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11024         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11025         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11026         (ver_test_9.so, ver_test_9.o): New targets.
11027         * testsuite/Makefile.in: Rebuild.
11028
11029 2008-07-22  Ian Lance Taylor  <iant@google.com>
11030
11031         * options.h (class General_options): Define --check-sections.
11032         * layout.cc (Layout::set_segment_offsets): Handle
11033         --check-sections.
11034
11035         * options.h (class General_options): Define -n/--nmagic and
11036         -N/--omagic.
11037         * options.cc (General_options::finalize): For -n/--nmagic or
11038         -N/--omagic, set -static.
11039         * layout.cc (Layout::attach_allocated_section_to_segment): If
11040         -N/--omagic, don't put read-only and read-write sections in
11041         different segments.
11042         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11043         finding a read-only segment.
11044         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11045         don't set the minimum segment alignment to the common page size,
11046         and don't set the file offset to the address modulo the page size.
11047         * script-sections.cc (Script_sections::create_segments): If
11048         -n/--omagic, don't put read-only and read-write sections in
11049         different segments.
11050
11051         * cref.cc: New file.
11052         * cref.h: New file.
11053         * options.h (class General_options): Add --print-symbol-counts.
11054         * main.cc (main): Issue defined symbol report if requested.
11055         * archive.cc (Archive::interpret_header): Make into a const member
11056         function.
11057         (Archive::add_symbols): Call Input_objects::archive_start and
11058         archive_stop.
11059         (Archive::const_iterator): Define new class.
11060         (Archive::begin, Archive::end): New functions.
11061         (Archive::include_all_members): Rewrite to use iterator.
11062         (Archive::count_members): New function.
11063         * archive.h (class Archive): Update declarations.
11064         (Archive::filename): New function.
11065         * object.cc: Include "cref.h".
11066         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11067         (Sized_relobj::do_get_global_symbol_counts): New function.
11068         (Input_objects::add_object): Add object to cross-referencer.
11069         (Input_objects::archive_start): New function.
11070         (Input_objects::archive_stop): New function.
11071         (Input_objects::print_symbol_counts): New function.
11072         * object.h: Declare Cref and Archive.
11073         (Object::get_global_symbol_counts): New function.
11074         (Object::do_get_global_symbol_counts): New pure virtual function.
11075         (class Sized_relobj): Add defined_count_ field.  Update
11076         declarations.
11077         (class Input_objects): Add cref_ field.  Update constructor.
11078         Update declarations.
11079         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11080         defined_count_.
11081         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11082         symbol counts.
11083         (Sized_dynobj::do_get_global_symbol_counts): New function.
11084         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11085         defined_count_.  Update declarations.  Define Symbols typedef.
11086         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11087         parameter.  Change all callers.
11088         (Symbol_table::add_from_dynobj): Add sympointers and defined
11089         parameters.  Change all callers.
11090         * symtab.h (class Symbol_table): Update declarations.
11091         * Makefile.am (CCFILES): Add cref.cc.
11092         (HFILES): Add cref.h.
11093         * Makefile.in: Rebuild.
11094
11095 2008-07-22  Simon Baldwin  <simonb@google.com>
11096
11097         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11098         to zero when writing undefined symbols.
11099
11100 2008-07-22  Ian Lance Taylor  <iant@google.com>
11101
11102         * output.cc (Output_section::add_input_section): Don't try to
11103         merge empty merge sections.
11104
11105 2008-07-21  Craig Silverstein  <csilvers@google.com>
11106
11107         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11108         Include symbol version in error message.
11109
11110 2008-07-20  Chris Demetriou  <cgd@google.com>
11111
11112         * configure.ac (gold_cv_c_random_seed): New configured variable.
11113         (RANDOM_SEED_CFLAGS): New substituted variable.
11114         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11115         * configure: Rebuild.
11116         * Makefile.in: Likewise.
11117         * testsuite/Makefile.in: Likewise.
11118
11119 2008-07-18  Ian Lance Taylor  <iant@google.com>
11120
11121         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11122         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11123         * testsuite/ver_test_main.cc (main): Call t4.
11124         (t4, t4_2a): Define.
11125         * testsuite/ver_test_2.cc (t4_2): Define.
11126         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11127         * testsuite/ver_test_4.cc (t4_2a): Define.
11128         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11129         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11130
11131 2008-07-17  Ian Lance Taylor  <iant@google.com>
11132
11133         * dynobj.cc (Versions::add_def): If we give an error about a
11134         missing version, go ahead and create the version anyhow.
11135
11136 2008-07-10  Ian Lance Taylor  <iant@google.com>
11137
11138         Handle output sections with more than 0x7fffffff bytes.
11139         * object.h (class Relobj): Change map_to_output_ to
11140         output_sections_, and just keep a section pointer.  Change all
11141         uses.  Move comdat group support to Sized_relobj.
11142         (Relobj::is_section_specially_mapped): Remove.
11143         (Relobj::output_section): Remove poff parameter.  Change all
11144         callers.
11145         (Relobj::output_section_offset): New function.
11146         (Relobj::set_section_offset): Rewrite.
11147         (Relobj::map_to_output): Remove.
11148         (Relobj::output_sections): New function.
11149         (Relobj::do_output_section_offset): New pure virtual function.
11150         (Relobj::do_set_section_offset): Likewise.
11151         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11152         group support from Relobj.  Update declarations.
11153         (Sized_relobj::get_output_section_offset): New function.
11154         (Sized_relobj::do_output_section_offset): New function.
11155         (Sized_relobj::do_set_section_offset): New function.
11156         * object.cc (Relobj::output_section_address): Remove.
11157         (Sized_relobj::Sized_relobj): Initialize new fields.
11158         (Sized_relobj::include_section_group): Cast find_kept_object to
11159         Sized_relobj.
11160         (Sized_relobj::include_linkonce_section): Likewise.
11161         (Sized_relobj::do_layout): Use separate arrays for output section
11162         and output offset.
11163         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11164         output_sections.
11165         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11166         output_sections and section_offsets.
11167         (Sized_relobj::write_local_symbols): Likewise.
11168         (map_to_kept_section): Compute output address directly.
11169         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11170         output_sections and section_offsets.
11171         (Sized_relobj::write_sections): Likewise.
11172         (Sized_relobj::relocate_sections): Likewise.
11173         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11174         * output.h (class Output_reloc): Update declarations.  Change
11175         u2_.relobj to Sized_relobj*.
11176         (class Output_data_reloc): Change add functions to use
11177         Sized_relobj*.
11178         * output.cc (Output_reloc::Output_reloc): Change relobj to
11179         Sized_relobj*.
11180         (Output_reloc::local_section_offset): Change return type to
11181         Elf_Addr.  Use get_output_section_offset.
11182         (Output_reloc::get_address): Likewise.
11183         (Output_section::is_input_address_mapped): Don't call
11184         is_section_specially_mapped.
11185         (Output_section::output_offset): Likewise.
11186         (Output_section::output_address): Likewise.
11187         (Output_section::starting_output_address): Likewise.
11188         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11189         parameter to Sized_relobj*.
11190         (Copy_relocs::need_copy_reloc): Likewise.
11191         (Copy_relocs::save): Likewise.
11192         * copy-relocs.h (class Copy_relocs): Update declarations.
11193         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11194         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11195         * target-reloc.h (relocate_for_relocatable): Change
11196         offset_in_output_section type to Elf_Addr.  Change code that uses
11197         it as well.
11198         * layout.cc (Layout::layout): Always set *off.
11199         * mapfile.cc (Mapfile::print_input_section): Use
11200         output_section_offset.
11201         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11202         Sized_relobj*.
11203         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11204         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11205         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11206
11207 2008-07-03  Ian Lance Taylor  <iant@google.com>
11208
11209         * layout.cc (Layout::include_section): Do not discard unrecognized
11210         SHT_STRTAB sections.
11211
11212 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11213
11214         * script.cc (Lex::can_continue_name): Make '?' allowable in
11215         version-script names.
11216         * testsuite/version_script.map: Change glob pattern to use '?'
11217
11218 2008-06-30  Manish Singh  <yosh@gimp.org>
11219
11220         PR 6585
11221         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11222         Correct typo.
11223
11224 2008-06-30  Ian Lance Taylor  <iant@google.com>
11225
11226         PR 6660
11227         PR 6682
11228         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11229         versions]: Don't try to read the value in the contents, since we
11230         don't use it.  Use the template endianness when writing.
11231
11232 2008-06-25  Cary Coutant  <ccoutant@google.com>
11233
11234         * fileread.cc (File_read::make_view): Assert on zero-length view.
11235         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11236         symbol table when there are no symbols to read.
11237
11238 2008-06-23  Craig Silverstein  <csilvers@google.com>
11239
11240         * version.cc (version_string): Bump to 1.7
11241
11242 2008-06-18  Craig Silverstein  <csilvers@google.com>
11243
11244         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11245         constant 0xFFFF to type Valtype.
11246         (Powerpc_relocate_functions::rel16_ha): Likewise.
11247
11248 2008-06-17  Ian Lance Taylor  <iant@google.com>
11249
11250         * output.h (Output_section::Input_section): Initialize p2align_ to
11251         zero for Output_section_data constructors.
11252         (Output_section::Input_section::addralign): If not an input
11253         section, return the alignment of the Output_section_data.
11254         * testsuite/copy_test.cc: New file.
11255         * testsuite/copy_test_1.cc: New file.
11256         * testsuite/copy_test_2.cc: New file.
11257         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11258         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11259         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11260         (copy_test_1_pic.o, copy_test_1.so): New targets.
11261         (copy_test_2_pic.o, copy_test_2.so): New targets.
11262         * testsuite/Makefile.in: Rebuild.
11263
11264         * script-sections.cc (Script_sections::place_orphan): Initialize
11265         local variable exact.
11266
11267 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11268
11269         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11270
11271 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11272             David S. Miller  <davem@davemloft.net>
11273
11274         * powerpc.cc: New file.
11275         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11276         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11277         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11278         * Makefile.in: Rebuild.
11279
11280 2008-06-09  Ian Lance Taylor  <iant@google.com>
11281
11282         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11283         <exception>.
11284         (throwing, orig_terminate): New static variables.
11285         (terminate_handler): New static function.
11286         (t2): Set terminate handler.
11287
11288 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11289
11290         PR 6584
11291         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11292         alignment.
11293
11294 2008-05-30  Cary Coutant  <ccoutant@google.com>
11295
11296         * archive.cc (Archive::include_all_members) Correct to step
11297         over symbol table and extended name table in thin archives.
11298
11299 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11300
11301         PR 6407
11302         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11303         calculation.
11304
11305 2008-05-28  Caleb Howe  <cshowe@google.com>
11306
11307         * reduced_debug_output.cc: New file.
11308         * reduced_debug_output.h: New file.
11309         * options.h (class General_options): Add --strip-debug-non-line.
11310         * options.cc (General_options::finalize): Add strip_debug_non_line
11311         to the strip heirarchy.
11312         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11313         fields.
11314         * layout.cc: Include "reduced_debug_output.h".
11315         (Layout::Layout): Initialize new fields.
11316         (line_only_debug_sections): New static array.
11317         (is_lines_only_debug_sections): New static inline function.
11318         (Layout::include_section): Handle --strip-debug-non-line.
11319         (Layout::make_output_section): If --strip-debug-non-line, build
11320         new output sections for .debug_abbrev and .debug_info.
11321         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11322         gold.  Warn about possible overflow.
11323         (read_signed_LEB_128): Likewise.
11324         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11325         (read_signed_LEB_128): Declare.
11326         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11327         (HFILES): Add reduced_debug_output.h.
11328         * Makefile.in: Rebuild.
11329
11330 2008-05-21  Ian Lance Taylor  <iant@google.com>
11331
11332         * mapfile.cc: New file.
11333         * mapfile.h: New file.
11334         * options.h (class General_options): Add -M/--print-map and -Map.
11335         * options.cc (General_options::finalize): Make -M equivalent to
11336         -Map -.
11337         * main.cc: Include <cstdio> and "mapfile.h".
11338         (main): Open mapfile if requested.
11339         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11340         constructor.  Change caller.
11341         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11342         (queue_middle_tasks): Likewise.
11343         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11344         declarations.
11345         * archive.cc: Include "mapfile.h".
11346         (Archive::add_symbols): Add mapfile parameter.  Change all
11347         callers.  Pass mapfile, symbol, and reason to include_member.
11348         (Archive::include_all_members): Add mapfile parameter.  Change all
11349         callers.
11350         (Archive::include_member): Add mapfile, sym, and why parameters.
11351         Change all callers.  Report inclusion to map file.
11352         * archive.h: Include "fileread.h".
11353         (class Archive): Update declarations.
11354         (Archive::file): New const method.
11355         (class Add_archive_symbols): Add mapfile_ field.  Update
11356         constructor.  Change all callers.
11357         * readsyms.h (class Read_symbols): Likewise.
11358         (class Finish_group): Likewise.
11359         (class Read_script): Likewise.
11360         * common.cc: Include "mapfile.h".
11361         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11362         all callers.
11363         (Symbol_table::do_allocate_commons): Likewise.
11364         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11365         symbol allocation to mapfile.
11366         * common.h (class Allocate_commons_task): Add mapfile_ field.
11367         Update constructor.  Change all callers.
11368         * symtab.h (class Symbol_table): Update declarations.
11369         * layout.cc: Include "mapfile.h".
11370         (Layout_task_runner::run): Print information to mapfile.
11371         (Layout::create_gold_note): Change Output_data_fixed_space to
11372         Output_data_zero_fill.
11373         (Layout::create_build_id): Likewise.
11374         (Layout::print_to_mapfile): New function.
11375         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11376         constructor.  Change caller.
11377         (class Layout): Declare print_to_mapfile.
11378         * output.cc (Output_section::Input_section::print_to_mapfile): New
11379         function.
11380         (Output_section::add_input_section): If producing a map, always
11381         add to input_sections_ list.
11382         (Output_section::do_print_to_mapfile): New function.
11383         (Output_segment::print_sections_to_mapfile): New function.
11384         (Output_segment::print_section_list_to_mapfile): New function.
11385         * output.h: Include "mapfile.h".
11386         (Output_data::print_to_mapfile): New function.
11387         (Output_data::do_print_to_mapfile): New virtual function.
11388         (Output_segment_headers::do_print_to_mapfile): New function.
11389         (Output_file_header::do_print_to_mapfile): New function.
11390         (Output_data_const::do_print_to_mapfile): New function.
11391         (class Output_data_const_buffer): Add map_name_ field.  Update
11392         constructor.  Change all callers.  Add do_print_to_mapfile
11393         function.
11394         (class Output_data_fixed_space): Likewise.
11395         (class Output_data_space): Likewise.
11396         (class Output_data_zero_fill): New class.
11397         (Output_data_strtab::do_print_to_mapfile): New function.
11398         (Output_data_reloc_base::do_print_to_mapfile): New function.
11399         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11400         (Output_data_group::do_print_to_mapfile): New function.
11401         (Output_data_got::do_print_to_mapfile): New function.
11402         (Output_data_dynamic::do_print_to_mapfile): New function.
11403         (Output_symtab_xindex::do_print_to_mapfile): New function.
11404         (class Output_section): Declare do_print_to_mapflie.  Declare
11405         print_to_mapfile in Input_section.
11406         (class Output_segment): Declare new functions.
11407         * object.h (Sized_relobj::symbol_count): New function.
11408         * script-sections.cc
11409         (Output_section_element_dot_assignment::set_section_addresses):
11410         Change Output_data_fixed_space to Output_data_zero_fill.
11411         (Output_data_expression::do_print_to_mapfile): New function.
11412         * script.cc (read_input_script): Add mapfile parameter.  Change
11413         all callers.
11414         * script.h (read_input_script): Update declaration.
11415         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11416         (Eh_frame::do_print_to_mapfile): New function.
11417         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11418         (Output_merge_string::do_print_to_mapfile): New function.
11419         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11420         function.
11421         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11422         function.
11423         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11424         function.
11425         * Makefile.am (CCFILES): Add mapfile.cc.
11426         (HFILES): Add mapfile.h.
11427         * Makefile.in: Rebuild.
11428
11429 2008-05-19  Ian Lance Taylor  <iant@google.com>
11430
11431         * options.h (class General_options): Add -z relro.
11432         * layout.cc (Layout::Layout): Initialize relro_segment_.
11433         (Layout::add_output_section_data): Return the output section.
11434         (Layout::make_output_section): Rcognize relro sections and mark
11435         them appropriately.
11436         (Layout::attach_allocated_section_to_segment): Put relro sections
11437         in a PT_GNU_RELRO segment.
11438         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11439         section as relro.
11440         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11441         PT_TLS segments.
11442         (Layout::linkonce_mapping): Map d.rel.ro.local to
11443         .data.rel.ro.local.
11444         (Layout::output_section_name): Us .data.rel.ro.local for any
11445         section which begins with that.
11446         * layout.h (class Layout): Update add_output_section_data
11447         declaration.  Add relro_segment_ field.
11448         * output.cc (Output_section::Output_section): Initialize is_relro_
11449         and is_relro_local_ fields.
11450         (Output_segment::add_output_section): Group relro sections.
11451         (Output_segment::is_first_section_relro): New function.
11452         (Output_segment::maximum_alignment): If there is a relro section,
11453         align the segment to the common page size.
11454         (Output_segment::set_section_addresses): Track whether we are
11455         looking at relro sections.  If the last section is a relro
11456         section, align to the common page size.
11457         (Output_segment::set_section_list_addresses): Add in_relro
11458         parameter.  Change all callers.  Align to the page size when
11459         moving from relro to non-relro section.
11460         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11461         segment.
11462         * output.h (class Output_section): Add is_relro_ and
11463         is_relro_local_ fields.
11464         (Output_section::is_relro): New function.
11465         (Output_section::set_is_relro): New function.
11466         (Output_section::is_relro_local): New function.
11467         (Output_section::set_is_relro_local): New function.
11468         (class Output_segment): Update declarations.
11469         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11470         * sparc.cc (Target_sparc::got_section): Likewise.
11471         * x86_64.cc (Target_x86_64::got_section): Likewise.
11472         * testsuite/relro_test_main.cc: New file.
11473         * testsuite/relro_test.cc: New file.
11474         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11475         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11476         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11477         (relro_test.so, relro_test_pic.o): New targets.
11478         * testsuite/Makefile.in: Rebuild.
11479
11480 2008-05-16  Ian Lance Taylor  <iant@google.com>
11481
11482         * output.cc (Output_segment::add_output_section): Remove front
11483         parameter.
11484         * output.h (class Output_segment): Remove
11485         add_initial_output_section and overloaded add_output_section.
11486         Update declaration of remaining add_output_section.
11487         * layout.cc (Layout::create_interp): Call add_output_section
11488         rather than add_initial_output_section.
11489         (Layout::finish_dynamic_section): Likewise.
11490
11491         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11492         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11493         know the dynamic type.
11494         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11495         field.  Initialize it in constructor.
11496         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11497         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11498         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11499         reloc.
11500
11501         * output.cc (Output_reloc::get_address): Change return type to
11502         Elf_Addr.
11503         * output.h (class Output_reloc): Update get_address declaration.
11504         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11505         for section addresses.
11506
11507 2008-05-09  Ian Lance Taylor  <iant@google.com>
11508
11509         PR 6493
11510         * gold.cc (gold_nomem): Use return value of write.
11511
11512 2008-05-08  Ian Lance Taylor  <iant@google.com>
11513
11514         * symtab.c (Symbol::init_base_output_data): Add version
11515         parameter.  Change all callers.
11516         (Symbol::init_base_output_segment): Likewise.
11517         (Symbol::init_base_constant): Likewise.
11518         (Symbol::init_base_undefined): Likewise.
11519         (Sized_symbol::init_output_data): Likewise.
11520         (Sized_symbol::init_output_segment): Likewise.
11521         (Sized_symbol::init_constant): Likewise.
11522         (Sized_symbol::init_undefined): Likewise.
11523         (Symbol_table::do_define_in_output_data): If the new symbol has a
11524         version, mark it as the default.
11525         (Symbol_table::do_define_in_output_segment): Likewise.
11526         (Symbol_table::do_define_as_constant): Likewise.
11527         * symtab.h (class Symbol): Update declarations.
11528         (class Sized_symbol): Likewise.
11529         * resolve.cc (Symbol::override_version): New function.
11530         (Symbol::override_base): Call override_version.
11531         (Symbol::override_base_with_special): Likewise.
11532         * testsuite/ver_script_8.script: New file.
11533         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11534         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11535         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11536         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11537
11538 2008-05-06  Ian Lance Taylor  <iant@google.com>
11539
11540         PR 6049
11541         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11542         functions.
11543         (class General_options): Remove existing --undefined, and add
11544         --no-undefined instead.  Add new --undefined as synonym for -u.
11545         * archive.cc (Archive::add_symbols): Check whether symbol was
11546         named with -u.
11547         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11548         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11549         all uses.  Add IS_UNDEFINED.  Update declarations to split
11550         different versions of init_base.  Declare init_base_undefined.
11551         (Symbol::is_defined): Handle IS_UNDEFINED.
11552         (Symbol::is_undefined): Likewise.
11553         (Symbol::is_weak_undefined): Call is_undefined.
11554         (Symbol::is_absolute): Handle IS_CONSTANT.
11555         (class Sized_symbol): Update declarations to split different
11556         versions of init.  Declare init_undefined.
11557         (class Symbol_table): Declare new functions.
11558         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11559         Change all callers.
11560         (Symbol::init_base_output_data): Likewise.
11561         (Symbol::init_base_output_segment): Likewise.
11562         (Symbol::init_base_constant): Likewise.
11563         (Symbol::init_base_undefined): New function.
11564         (Sized_symbol::init_object): Rename from init.  Change all
11565         callers.
11566         (Sized_symbol::init_output_data): Likewise.
11567         (Sized_symbol::init_output_segment): Likewise.
11568         (Sized_symbol::init_constant): Likewise.
11569         (Sized_symbol::init_undefined): New function.
11570         (Symbol_table::add_undefined_symbols_from_command_line): New
11571         function.
11572         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11573         function.
11574         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11575         (Symbol::output_section): Likewise.
11576         (Symbol::set_output_section): Likewise.
11577         (Symbol_table::sized_finalize_symbol): Likewise.
11578         (Symbol_table::sized_write_globals): Likewise.
11579         * resolve.cc (Symbol_table::should_override): Likewise.
11580         (Symbol::override_base_with_special): Likewise.
11581
11582         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11583         symbol, change it to have default visibility.
11584         * testsuite/protected_1.cc: New file.
11585         * testsuite/protected_2.cc: New file.
11586         * testsuite/protected_3.cc: New file.
11587         * testsuite/protected_main_1.cc: New file.
11588         * testsuite/protected_main_2.cc: New file.
11589         * testsuite/protected_main_3.cc: New file.
11590         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11591         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11592         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11593         (protected_1.so): New target.
11594         (protected_1_pic.o, protected_2_pic.o): New targets.
11595         (protected_3_pic.o): New target.
11596         (check_PROGRAMS): Add protected_2.
11597         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11598         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11599         * testsuite/Makefile.in: Rebuild.
11600
11601         * options.h (DEFINE_var): Add set_user_set_##varname__.
11602         (DEFINE_bool_alias): New macro.
11603         (class General_options): Define -Bstatic using DEFINE_bool_alias
11604         rather than DEFINE_special.  Add --undefined as an alias for -z
11605         defs.
11606         * options.cc (General_options::parse_Bstatic): Remove.
11607
11608         * options.h (class General_options): Add --fatal-warnings.
11609         * main.cc (main): Implement --fatal-warnings.
11610         * errors.h (Errors::warning_count): New function.
11611
11612         * options.h (class General_options): Add -Bsymbolic-functions.
11613         * symtab.h (Symbol::is_preemptible): Check for
11614         -Bsymbolic-functions.
11615
11616 2008-05-05  Ian Lance Taylor  <iant@google.com>
11617
11618         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11619         as noVARNAME rather than no-VARNAME.
11620         (class General_options): Add option -z combreloc.
11621         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11622         get_address.
11623         (Output_reloc::sort_before) [SHT_REL]: New function.
11624         (Output_reloc::sort_before) [SHT_RELA]: New function.
11625         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11626         Sort_relocs_comparison.
11627         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11628         parameter.  Change all callers.
11629         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11630         sort_relocs parameter.  Change all callers.
11631         * output.cc (Output_reloc::get_address): New function, broken out
11632         of write_rel.
11633         (Output_reloc::write_rel): Call it.
11634         (Output_reloc::compare): New function.
11635         (Output_data_reloc_base::do_write): Optionally sort relocs.
11636
11637         * configure.ac: If targ_extra_obj is set, link it in.
11638         * configure.tgt: Initialize all variables.
11639         (x86_64*): Set targ_extra_obj and targ_extra_size.
11640         * configure: Rebuild.
11641
11642         * object.cc (Sized_relobj::include_section_group): Adjust section
11643         indexes read from group data.  Build vector to pass to
11644         layout_group.
11645         * layout.cc (Layout::layout_group): Add flags and shndxes
11646         parameters.  Remove contents parameter.  Change caller.  Update
11647         explicit instantiations.
11648         * layout.h (class Layout): Update layout_group declaration.
11649         * output.cc (Output_data_group::Output_data_group): Add flags and
11650         input_shndxes parameters.  Remove contents parameter.  Change
11651         caller.
11652         (Output_data_group::do_write): Change input_sections_ to
11653         input_shndxes_.
11654         * output.h (class Output_data_group): Update constructor
11655         declaration.  Rename input_sections_ to input_shndxes_.
11656         * testsuite/many_sections_test.cc: Add template.
11657
11658 2008-04-30  Cary Coutant  <ccoutant@google.com>
11659
11660         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11661
11662         * layout.cc (Layout::include_section): Refactored check for debug
11663         info section.
11664         (Layout::add_comdat): Add new parameters.  Change type
11665         of signature parameter.  Add object and shndx to signatures table.
11666         (Layout::find_kept_object): New function.
11667         * layout.h: Include <cstring>.
11668         (Layout::is_debug_info_section): New function.
11669         (Layout::add_comdat): Add new parameters.
11670         (Layout::find_kept_object): New function.
11671         (Layout::Kept_section): New struct.
11672         (Layout::Signatures): Change type of map range.
11673         * object.cc (Relobj::output_section_address): New function.
11674         (Sized_relobj::include_section_group): Add new parameters.  Change
11675         calls to Layout::add_comdat.  Change to build table of kept comdat
11676         groups and table mapping discarded sections to kept sections.
11677         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11678         (Sized_relobj::do_layout): Change calls to include_section_group and
11679         include_linkonce_section.
11680         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11681         value to zero when section is discarded.
11682         (Sized_relobj::map_to_kept_section): New function.
11683         * object.h (Relobj::output_section_address): New function.
11684         (Relobj::Comdat_group): New type.
11685         (Relobj::find_comdat_group): New function.
11686         (Relobj::Comdat_group_table): New type.
11687         (Relobj::Kept_comdat_section): New type.
11688         (Relobj::Kept_comdat_section_table): New type.
11689         (Relobj::add_comdat_group): New function.
11690         (Relobj::set_kept_comdat_section): New function.
11691         (Relobj::get_kept_comdat_section): New function.
11692         (Relobj::comdat_groups_): New field.
11693         (Relobj::kept_comdat_sections_): New field.
11694         (Symbol_value::input_value): Update comment.
11695         (Sized_relobj::map_to_kept_section) New function.
11696         (Sized_relobj::include_linkonce_section): Add new parameter.
11697         * target-reloc.h (Comdat_behavior): New type.
11698         (get_comdat_behavior): New function.
11699         (relocate_section): Add code to map a discarded section to the
11700         corresponding kept section when applying a relocation.
11701
11702 2008-04-30  Craig Silverstein  <csilvers@google.com>
11703
11704         * dwarf_reader.cc (next_generation_count): New static var.
11705         (Addr2line_cache_entry): New struct.
11706         (addr2line_cache): New static var.
11707         (Dwarf_line_info::one_addr2line): Added caching.
11708         (Dwarf_line_info::clear_addr2line_cache): New function.
11709         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11710         cache-size parameter.
11711         (Dwarf_line_info::one_addr2line_cache): New function.
11712         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11713         new cache-size argument to one_addr2line(), and clear cache.
11714
11715 2008-04-28  Cary Coutant  <ccoutant@google.com>
11716
11717         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11718         R_386_PC8 relocations.
11719
11720 2008-04-23  Ian Lance Taylor  <iant@google.com>
11721
11722         * object.cc (Sized_relobj::include_section_group): Check for
11723         invalid section group.
11724
11725         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11726         header size.
11727
11728         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11729         than read for file header.
11730         * archive.cc (Archive::include_member): Likewise.
11731
11732 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11733
11734         * aclocal.m4: Regenerate.
11735         * configure: Regenerate.
11736
11737 2008-04-19  Ian Lance Taylor  <iant@google.com>
11738
11739         * version.cc (version_string): Bump to 1.6.
11740
11741         * testsuite/Makefile.am (many_sections_r_test): New target.
11742         (many_sections_r_test_SOURCES): Remove.
11743         (many_sections_r_test_DEPENDENCIES): Remove.
11744         (many_sections_r_test_LDFLAGS): Remove.
11745         (many_sections_r_test_LDADD): Remove.
11746
11747         * object.cc (Sized_relobj::do_add_symbols): Always pass
11748         local_symbol_count_ to add_from_relobj.
11749
11750         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11751         every thousand variables.
11752         * testsuite/Makefile.in: Rebuild.
11753
11754         * object.cc (Xindex::initialize_symtab_xindex): New function.
11755         (Xindex::read_symtab_xindex): New function.
11756         (Xindex::sym_xindex_to_shndx): New function.
11757         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11758         available.
11759         (Sized_relobj::do_initialize_xindex): New function.
11760         (Sized_relobj::do_read_symbols): Adjust section links.
11761         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11762         parameter.  Change all callers.
11763         (Sized_relobj::include_section_group): Adjust section links and
11764         symbol section indexes.
11765         (Sized_relobj::do_layout): Adjust section links.
11766         (Sized_relobj::do_count_local_symbols): Adjust section links and
11767         symbol section indexes.
11768         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11769         ordinary and special symbols.
11770         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11771         dynsym_xindex parameters.  Change all callers.  Adjust section
11772         links.  Use SHN_XINDEX when needed.
11773         (Sized_relobj::get_symbol_location_info): Adjust section links.
11774         Don't get fooled by special symbols.
11775         * object.h (class Xindex): Define.
11776         (class Object): Add xindex_ parameter.  Declare virtual functoin
11777         do_initialize_xindex.
11778         (Object::adjust_sym_shndx): New function.
11779         (Object::set_xindex): New protected function.
11780         (class Symbol_value): Add is_ordinary_shndx_ field.
11781         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11782         (Symbol_value::value): Assert ordinary section.
11783         (Symbol_value::initialize_input_to_output_map): Likewise.
11784         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11785         Change all callers.
11786         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11787         all callers.
11788         (class Sized_relobj): Update declarations.
11789         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11790         parameter.  Change all callers.
11791         (Sized_relobj::adjust_shndx): New function.
11792         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11793         field.
11794         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11795         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11796         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11797         (Sized_dynobj::read_dynsym_section): Adjust section links.
11798         (Sized_dynobj::read_dynamic): Likewise.
11799         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11800         section links.
11801         (Sized_dynobj::do_initialize_xindex): New function.
11802         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11803         do_initialize_xindex.
11804         (Sized_dynobj::adjust_shndx): New function.
11805         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11806         dynsym_xindex_ fields.
11807         (Layout::finalize): Add a call to set_section_indexes before
11808         creating the symtab sections.
11809         (Layout::set_section_indexes): Don't do anything if the section
11810         already has a section index.
11811         (Layout::create_symtab_sections): Add shnum parameter.  Change
11812         caller.  Create .symtab_shndx section if needed.
11813         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11814         caller.
11815         (Layout::allocated_output_section_count): New function.
11816         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11817         needed.
11818         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11819         fields.  Update declarations.
11820         (Layout::symtab_xindex): New function.
11821         (Layout::dynsym_xindex): New function.
11822         (class Write_symbols_task): Add layout_ field.
11823         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11824         Change caller.
11825         * output.cc (Output_section_headers::Output_section_headers): Add
11826         shstrtab_section parameter.  Change all callers.
11827         (Output_section_headers::do_sized_write): Store overflow values
11828         for section count and section string table section index in
11829         section header zero.
11830         (Output_file_header::do_sized_write): Check for overflow of
11831         section count and section string table section index.
11832         (Output_symtab_xindex::do_write): New function.
11833         (Output_symtab_xindex::endian_do_write): New function.
11834         * output.h (class Output_section_headers): Add shstrtab_section_.
11835         Update declarations.
11836         (class Output_symtab_xindex): Define.
11837         (Output_section::has_out_shndx): New function.
11838         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11839         field.
11840         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11841         Change all callers.
11842         (Sized_symbol::init): Likewise.
11843         (Symbol::output_section): Check for ordinary symbol.
11844         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11845         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11846         callers.
11847         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11848         Change all callers.  Simplify handling of symbols from sections
11849         not included in the link.
11850         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11851         distinction.
11852         (Weak_alias_sorter::operator()): Assert that symbols are
11853         ordinary.
11854         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11855         distinction.
11856         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11857         parameters.  Change all callers.
11858         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11859         symbol distinction.  Use SHN_XINDEX when needed.
11860         (Symbol_table::write_section_symbol): Add symtab_xindex
11861         parameter.  Change all callers.
11862         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11863         SHN_XINDEX when needed.
11864         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11865         declarations.
11866         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11867         (Symbol::is_defined): Check is_ordinary.
11868         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11869         (Symbol::is_absolute, Symbol::is_common): Likewise.
11870         (class Sized_symbol): Update declarations.
11871         (class Symbol_table): Update declarations.
11872         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11873         parameters.  Change all callers.
11874         (Sized_symbol::override): Likewise.
11875         (Symbol_table::override): Likewise.
11876         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11877         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11878         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11879         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11880         to be in an ordinary section.
11881         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11882         object and is_ordinary parameters.  Change all callers.
11883         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11884         Change all callers.  Don't add undefined or non-ordinary symbols
11885         to reloc_map_.
11886         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11887         Change all callers.
11888         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11889         declarations.
11890         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11891         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11892         (Sized_relobj::relocate_sections): Likewise.
11893         * target-reloc.h (scan_relocs): Adjust section symbol index.
11894         (scan_relocatable_relocs): Likewise.
11895         * i386.cc (Scan::local): Check for ordinary symbols.
11896         * sparc.cc (Scan::local): Likewise.
11897         * x86_64.cc (Scan::local): Likewise.
11898         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11899         to symbol_section_and_value.
11900         * testsuite/many_sections_test.cc: New file.
11901         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11902         (check_PROGRAMS): Add many_sections_test.
11903         (many_sections_test_SOURCES): Define.
11904         (many_sections_test_DEPENDENCIES): Define.
11905         (many_sections_test_LDFLAGS): Define.
11906         (BUILT_SOURCES): Add many_sections_define.h.
11907         (many_sections_define.h): New target.
11908         (BUILT_SOURCES): Add many_sections_check.h.
11909         (many_sections_check.h): New target.
11910         (check_PROGRAMS): Add many_sections_r_test.
11911         (many_sections_r_test_SOURCES): Define.
11912         (many_sections_r_test_DEPENDENCIES): Define.
11913         (many_sections_r_test_LDFLAGS): Define.
11914         (many_sections_r_test_LDADD): Define.
11915         (many_sections_r_test.o): New target.
11916         * testsuite/Makefile.in: Rebuild.
11917
11918 2008-04-17  Cary Coutant  <ccoutant@google.com>
11919
11920         * errors.cc (Errors::info): New function.
11921         (gold_info): New function.
11922         * errors.h (Errors::info): New function.
11923         * gold.h (gold_info): New function.
11924         * object.cc (Input_objects::add_object): Print trace output.
11925         * options.cc (options::parse_set): New function.
11926         (General_options::parse_wrap): Deleted.
11927         (General_options::General_options): Deleted initializer.
11928         * options.h (options::String_set): New typedef.
11929         (options::parse_set): New function.
11930         (DEFINE_set): New macro.
11931         (General_options::wrap): Changed to use DEFINE_set. Changed
11932         callers of any_wrap_symbols and is_wrap_symbol.
11933         (General_options::trace, General_options::trace_symbol):
11934         New options.
11935         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11936         (General_options::wrap_symbols_): Deleted.
11937         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11938
11939 2008-04-17  David S. Miller  <davem@davemloft.net>
11940
11941         * options.cc (General_options::parse_V): New function.
11942         * options.h: Add entries for -V and -Qy.
11943
11944 2008-04-17  Ian Lance Taylor  <iant@google.com>
11945
11946         * common.cc (Symbol_table::allocate_commons): Remove options
11947         parameter.  Change caller.
11948         (Symbol_table::do_allocate_commons): Remove options parameter.
11949         Change caller.  Just call do_allocate_commons_list twice.
11950         (Symbol_table::do_allocate_commons_list): New function, broken out
11951         of do_allocate_commons.
11952         * common.h (class Allocate_commons_task): Remove options_ field.
11953         Update constructor.
11954         * symtab.cc (Symbol_table::Symbol_table): Initialize
11955         tls_commons_.
11956         (Symbol_table::add_from_object): Put TLS common symbols on
11957         tls_commons_ list.
11958         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11959         which are IN_OUTPUT_DATA.
11960         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11961         allocate_commons and do_allocate_commons declarations.  Declare
11962         do_allocate_commons_list.
11963         * gold.cc (queue_middle_tasks): Update creation of
11964         Allocate_commons_task to not pass options.
11965         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11966         (TLS_TEST_C_FLAGS): New variable.
11967         (tls_test_c_pic.o): New target.
11968         (tls_test_shared.so): Link in tls_test_c_pic.o.
11969         (tls_test_c_pic_ie.o): New target.
11970         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11971         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11972         (tls_test_c.o): New target.
11973         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11974         (tls_pic_test_LDADD): Likewise.
11975         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11976         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11977         (tls_test_c_gnu2.o): New target.
11978         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11979         tls_test_c_gnu2.o.
11980         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11981         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11982         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11983         * testsuite/tls_test.cc: Include "config.h".
11984         (t_last): Call t11_last.
11985         * testsuite/tls_test.h (t11, t11_last): Declare.
11986         * testsuite/tls_test_c.c: New file.
11987         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11988         * configure.ac: Check for OpenMP support.
11989         * configure, config.in, Makefile.in: Rebuild.
11990         * testsuite/Makefile.in: Rebuild.
11991
11992 2008-04-16  Cary Coutant  <ccoutant@google.com>
11993
11994         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11995         (Target_i386::tls_base_symbol_defined_): New field.
11996         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11997         (Target_i386::Scan::global): Likewise.
11998         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11999         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12000         (Target_x86_64::tls_base_symbol_defined_): New field.
12001         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12002         (Target_x86_64::Scan::global): Likewise.
12003
12004 2008-04-16  Cary Coutant  <ccoutant@google.com>
12005
12006         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12007         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12008         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12009         building shared libraries.
12010         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12011         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12012         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12013         * testsuite/Makefile.in: Rebuild.
12014         * testsuite/weak_undef.h: New file.
12015         * testsuite/weak_undef_file1.cc: Add extra test cases.
12016         * testsuite/weak_undef_file2.cc: Likewise.
12017         * testsuite/weak_undef_test.cc: Likewise.
12018
12019 2008-04-16  David S. Miller  <davem@davemloft.net>
12020
12021         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12022         Add issued_non_pic_error_ field.  Declare check_non_pic.
12023         (Target_sparc::Scan::check_non_pic): New function.
12024         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12025         (Target_sparc::Scan::global): Likewise.
12026
12027         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12028         * configure: Rebuild.
12029
12030         * options.h (DEFINE_enable): New macro.
12031         (new_dtags): New enable option.
12032         (initfirst, interpose, loadfltr, nodefaultlib,
12033         nodelete, nodlopen, nodump): New -z options.
12034         * layout.cc (Layout:finish_dynamic_section): If new
12035         dtags enabled, emit DT_RUNPATH.  Also, emit a
12036         DT_FLAGS_1 containing any specified -z flags.
12037
12038 2008-04-16  Ian Lance Taylor  <iant@google.com>
12039
12040         * copy-relocs.cc: New file.
12041         * copy-relocs.h: New file.
12042         * reloc.cc: Remove Copy_relocs code.
12043         * reloc.h: Likewise.
12044         * reloc-types.h (struct Reloc_types) [both versions]: Add
12045         get_reloc_addend_noerror.
12046         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12047         variants of add_global which take an addend which must be zero.
12048         * i386.cc: Include "copy-relocs.h".
12049         (class Target_i386): Change type of copy_relocs_ to variable,
12050         update initializer.
12051         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12052         Change all callers.
12053         (Target_i386::do_finalize_sections): Change handling of
12054         copy_relocs_.
12055         * sparc.cc: Include "copy-relocs.h".
12056         (class Target_sparc): Change type of copy_relocs_ to variable,
12057         update initializer.
12058         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12059         Change all callers.
12060         (Target_sparc::do_finalize_sections): Change handling of
12061         copy_relocs_.
12062         * x86_64.cc: Include "copy-relocs.h".
12063         (class Target_x86_64): Change type of copy_relocs_ to variable,
12064         update initializer.
12065         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12066         class.  Change all callers.
12067         (Target_x86_64::do_finalize_sections): Change handling of
12068         copy_relocs_.
12069         * Makefile.am (CCFILES): Add copy-relocs.cc.
12070         (HFILES): Add copy-relocs.h.
12071
12072         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12073
12074         * testsuite/script_test_4.sh: Permit leading zeroes.
12075
12076 2008-04-15  Ian Lance Taylor  <iant@google.com>
12077
12078         * script-sections.cc (Script_sections::create_segments): Use
12079         header_size_adjustment even when there is enough room for the
12080         headers.
12081         * testsuite/script_test_4.sh: New file.
12082         * testsuite/script_test_4.t: New file.
12083         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12084         (check_DATA): Add script_test_4.stdout.
12085         (MOSTLYCLEANFILES): Likewise.
12086         (script_test_4): New target.
12087         (script_test_4.stdout): New target.
12088         * testsuite/Makefile.in: Rebuild.
12089
12090         * sparc.cc: Add definitions for Output_data_plt_sparc class
12091         constants.
12092
12093 2008-04-14  David S. Miller  <davem@davemloft.net>
12094
12095         * sparc.cc: New file.
12096         * Makefile.am (TARGETSOURCES): Add sparc.cc
12097         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12098         * configure.tgt: Document targ_extra_size and
12099         targ_extra_big_endian.  Add entries for sparc-* and
12100         sparc64-*.
12101         * configure.ac: Handle targ_extra_size and
12102         targ_extra_big_endian.
12103         * Makefile.in: Rebuild.
12104         * configure: Likewise.
12105         * po/POTFILES.in: Likewise.
12106         * po/gold.pot: Likewise.
12107
12108 2008-04-14  Ian Lance Taylor  <iant@google.com>
12109
12110         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12111         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12112         in the name/type/flags to section mapping.  Don't call
12113         allocate_output_section.
12114         (Layout::choose_output_section): Change parameter from adjust_name
12115         to is_input_section.  Don't permit input sections after sections
12116         are attached to segments.  Don't call allocate_output_section.
12117         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12118         not write_enable_output_section.
12119         (Layout::make_output_section): Don't push to
12120         unattached_section_list_ nor call attach_to_segment.  Call
12121         attach_section_to_segment if sections are attached.
12122         (Layout::attach_sections_to_segments): New function.
12123         (Layout::attach_section_to_segment): New function.
12124         (Layout::attach_allocated_section_to_segment): Rename from
12125         attach_to_segment.  Remove flags parameter.
12126         (Layout::allocate_output_section): Remove function.
12127         (Layout::write_enable_output_section): Remove function.
12128         * layout.h (class Layout): Update for above changes.  Add new
12129         field sections_are_attached_.
12130         * output.h (Output_section::update_flags_for_input_section): New
12131         function.
12132         * output.cc (Output_section::add_input_section): Call
12133         update_flags_for_input_section.
12134         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12135
12136 2008-04-11  Cary Coutant  <ccoutant@google.com>
12137
12138         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12139         thought unnecessary.
12140         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12141
12142 2008-04-11  Ian Lance Taylor  <iant@google.com>
12143
12144         * output.h (class Output_section_data): Remove inline definition
12145         of set_addralign.
12146         * output.cc (Output_section_data::set_addralign): New function.
12147
12148 2008-04-11  Cary Coutant  <ccoutant@google.com>
12149
12150         Add support for TLS descriptors for i386 and x86_64.
12151         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12152         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12153         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12154         GOT_TYPE_TLS_DESC.
12155         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12156         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12157         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12158         relocations.
12159         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12160         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12161         Fix problem with initial-exec relocations.
12162         (Target_i386::Relocate::relocate_tls): Likewise.
12163         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12164         relaxation.
12165         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12166         support for section-plus-offset dynamic table entries.
12167         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12168         (Output_data_dynamic::Dynamic_entry): Add support for
12169         section-plus-offset dynamic table entries.
12170         (Output_data_dynamic::Classification): Likewise.
12171         (Output_data_dynamic::classification_): Renamed offset_.
12172         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12173         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12174         (Target_x86_64::make_plt_section): New function.
12175         (Target_x86_64::reserve_tlsdesc_entries): New function.
12176         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12177         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12178         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12179         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12180         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12181         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12182         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12183         add extra PLT entry for TLS descriptors.
12184         (Output_data_plt_x86_64::got_): New field.
12185         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12186         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12187         fields.
12188         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12189         descriptors.
12190         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12191         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12192         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12193         R_386_TLS_DESC_CALL relocations.
12194         (Target_x86_64::Scan::global): Likewise.
12195         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12196         for TLS descriptors.
12197         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12198         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12199         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12200         GD-to-IE relaxation.
12201         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12202         and TLS_DESCRIPTORS.
12203         * Makefile.in: Rebuild.
12204         * configure: Rebuild.
12205         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12206         (tls_test_shared2.so): New target.
12207         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12208         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12209         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12210         (tls_shared_gd_to_ie_test_LDADD): New variable.
12211         (tls_shared_gnu2_gd_to_ie_test): New target.
12212         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12213         New targets.
12214         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12215         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12216         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12217         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12218         (tls_shared_gnu2_test): New target.
12219         (tls_test_gnu2_shared.so): New target.
12220         (tls_shared_gnu2_test_SOURCES): New variable.
12221         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12222         (tls_shared_gnu2_test_LDFLAGS): New variable.
12223         (tls_shared_gnu2_test_LDADD): New variable.
12224         * testsuite/Makefile.in: Rebuild.
12225         * testsuite/Makefile.
12226
12227 2008-04-11  Ian Lance Taylor  <iant@google.com>
12228
12229         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12230         justsyms.t.
12231         * testsuite/Makefile.in: Rebuild.
12232
12233         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12234         long.
12235         * testsuite/script_test_2.cc (main): Adjust test.
12236
12237 2008-04-11  David S. Miller  <davem@davemloft.net>
12238             Ian Lance Taylor  <iant@google.com>
12239
12240         * options.h (General_options): Add entries for '-Y' and
12241         '-relax'.
12242         * options.cc (General_options:finalize): If -Y was used, add those
12243         entries to the library path instead of the default "/lib" and
12244         "/usr/lib".
12245
12246 2008-04-11  David S. Miller  <davem@davemloft.net>
12247
12248         * testsuite/justsyms.t: Start at 0x100.
12249         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12250         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12251         long.
12252         * testsuite/script_test_2.cc: Adjust string and section length
12253         checks.
12254
12255 2008-04-09  Ian Lance Taylor  <iant@google.com>
12256
12257         PR gold/5996
12258         * script-sections.cc (Sections_element::allocate_to_segment): Add
12259         orphan parameter.
12260         (Output_section_definition::allocate_to_segment): Likewise.
12261         (Orphan_output_section::allocate_to_segment): Likewise.
12262         (Script_sections::attach_sections_using_phdrs_clause): Don't
12263         propagate non-PT_LOAD segments to orphan sections.
12264         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12265         readelf rather than objdump.
12266         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12267         .interp section and PT_INTERP segment are the same size.
12268         * testsuite/Makefile.in: Rebuild.
12269
12270         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12271         aliases for symbols defined in the same object.
12272         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12273         (weak_alias_test_SOURCES): New variable.
12274         (weak_alias_test_DEPENDENCIES): New variable.
12275         (weak_alias_test_LDFLAGS): New variable.
12276         (weak_alias_test_LDADD): New variable.
12277         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12278         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12279         (weak_alias_test_3.o): New target.
12280         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12281         * testsuite/weak_alias_test_main.cc: New file.
12282         * testsuite/weak_alias_test_1.cc: New file.
12283         * testsuite/weak_alias_test_2.cc: New file.
12284         * testsuite/weak_alias_test_3.cc: New file.
12285
12286 2008-04-08  Ian Lance Taylor  <iant@google.com>
12287
12288         * options.h (class General_options): Add --noinhibit-exec option.
12289         * main.cc (main): Check --noinhibit-exec.
12290
12291         * options.h (class General_options): Define --wrap as a special
12292         option.  Add wrap_symbols_ field.
12293         (General_options::any_wrap_symbols): New function.
12294         (General_options::is_wrap_symbol): New function.
12295         * options.cc (General_options::parse_wrap): New function.
12296         (General_options::General_options): Initialize wrap_symbols_.
12297         * symtab.cc (Symbol_table::wrap_symbol): New function.
12298         (Symbol_table::add_from_object): Handle --wrap.
12299         * symtab.h (class Symbol_table): Declare wrap_symbol.
12300         * target.h (Target::wrap_char): New function.
12301         (Target::Target_info): Add wrap_char field.
12302         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12303         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12304         * testsuite/testfile.cc (Target_test::test_target_info):
12305         Likewise.
12306
12307         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12308         there is one.
12309
12310         * layout.h (class Layout): Add added_eh_frame_data_ field.
12311         * layout.cc (Layout::Layout): Initialize new field.
12312         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12313         output section until we find a section we merged successfully.
12314         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12315         that the size be non-zero.
12316
12317         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12318         qualifier.
12319
12320 2008-04-08  Craig Silverstein  <csilvers@google.com>
12321
12322         * configure.ac: Export new conditional variable HAVE_ZLIB.
12323         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12324         on HAVE_ZLIB.
12325         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12326         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12327
12328 2008-04-07  Ian Lance Taylor  <iant@google.com>
12329
12330         * version.cc (version_string): Set to "1.5".
12331
12332         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12333         Add issued_non_pic_error_ field.  Declare check_non_pic.
12334         (Target_x86_64::Scan::check_non_pic): New function.
12335         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12336         (Target_x86_64::Scan::global): Likewise.
12337
12338         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12339         addend parameter.  Change caller.  Handle merge sections.
12340         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12341         Address to Addend.  Don't add in the result of
12342         local_section_offset, pass down the addend and use the returned
12343         value.
12344         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12345         Update declarations of local_section_offset and symbol_value.
12346         * testsuite/two_file_test_1.cc (t18): New function.
12347         * testsuite/two_file_test_2.cc (f18): New function.
12348         * testsuite/two_file_test_main.cc (main): Call t18.
12349         * testsuite/two_file_test.h (t18, f18): Declare.
12350
12351         * configure.ac: Don't test for objdump, c++filt, or readelf.
12352         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12353         conditionals.
12354         (TEST_READELF): New variable.
12355         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12356         (check_PROGRAMS): Add two_file_strip_test.
12357         (two_file_strip_test): New target.
12358         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12359         (two_file_same_shared_strip_test_SOURCES): New variable.
12360         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12361         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12362         (two_file_same_shared_strip_test_LDADD): New variable.
12363         (two_file_shared_strip.so): New target.
12364         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12365         (ver_test_5.syms, ver_test_7.syms): Likewise.
12366         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12367         (strip_test_3.stdout): Use TEST_OBJDUMP.
12368         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12369
12370 2008-04-04  Cary Coutant  <ccoutant@google.com>
12371
12372         * symtab.h (Symbol::is_weak_undefined): New function.
12373         (Symbol::is_strong_undefined): New function.
12374         (Symbol::is_absolute): New function.
12375         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12376         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12377         absolute symbols.
12378         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12379         (weak_undef_test): New target.
12380         * testsuite/Makefile.in: Rebuild.
12381         * testsuite/weak_undef_file1.cc: New file.
12382         * testsuite/weak_undef_file2.cc: New file.
12383         * testsuite/weak_undef_test.cc: New file.
12384
12385 2008-04-03  Craig Silverstein  <csilvers@google.com>
12386
12387         * compressed_output.h (class Output_compressed_section): Use
12388         unsigned buffer.
12389         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12390         add zlib header.
12391         (zlib_compressed_suffix): Removed.
12392         (Output_compressed_section::set_final_data_size): Use unsigned
12393         buffers.
12394         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12395         Fix linker invocation.
12396         (flagstest_o_specialfile_and_compress_debug_sections):
12397         Likewise.
12398         * testsuite/Makefile.in: Regenerated.
12399
12400 2008-04-02  David S. Miller  <davem@davemloft.net>
12401
12402         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12403         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12404
12405 2008-04-02  Craig Silverstein  <csilvers@google.com>
12406
12407         * TODO: New file.
12408
12409 2008-04-02  Ian Lance Taylor  <iant@google.com>
12410
12411         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12412         parameters.  Update for new key type to views_.  Change all
12413         callers.
12414         (File_read::read): Adjust for byteshift in returned view.
12415         (File_read::add_view): New function, broken out of
12416         find_and_make_view.
12417         (File_read::make_view): New function, broken out of
12418         find_and_make_view.
12419         (File_read::find_or_make_view): Add offset and aligned
12420         parameters.  Rewrite accordingly.  Change all callers.
12421         (File_read::get_view): Add offset and aligned parameters.  Adjust
12422         for byteshift in return value.
12423         (File_read::get_lasting_view): Likewise.
12424         * fileread.h (class File_read): Update declarations.
12425         (class File_read::View): Add byteshift_ field.  Add byteshift to
12426         constructor.  Add byteshift method.
12427         * archive.h (Archive::clear_uncached_views): New function.
12428         (Archive::get_view): Add aligned parameter.  Change all callers.
12429         * object.h (Object::get_view): Add aligned parameter.  Change all
12430         callers.
12431         (Object::get_lasting_view): Likewise.
12432
12433         * fileread.cc (File_read::release): Don't call clear_views if
12434         there are multiple objects.
12435         * fileread.h (File_read::clear_uncached_views): New function.
12436         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12437         on the archive.
12438
12439 2008-03-31  Cary Coutant  <ccoutant@google.com>
12440
12441         Add thin archive support.
12442         * archive.cc (Archive::armagt): New const.
12443         (Archive::setup): Remove task parameter and calls to unlock.
12444         (Archive::unlock_nested_archives): New function.
12445         (Archive::read_header): Add nested_off parameter. Change
12446         all callers.
12447         (Archive::interpret_header): Likewise.
12448         (Archive::include_all_members): Change to handle thin
12449         archives.
12450         (Archive::include_member): Likewise.
12451         * archive.h (Archive::Archive): Add new parameters and
12452         initializers.
12453         (Archive::armagt): New const.
12454         (Archive::setup): Remove task parameter.
12455         (Archive::unlock_nested_archives): New function.
12456         (Archive::read_header): Add nested_off parameter.
12457         (Archive::interpret_header): Likewise.
12458         (Archive::Nested_archive_table): New typedef.
12459         (Archive::is_thin_archive_): New field.
12460         (Archive::nested_archives_): New field.
12461         (Archive::options_): New field.
12462         (Archive::dirpath_): New field.
12463         (Archive::task_): New field.
12464         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12465         for thin archives.  Pass additional parameters to
12466         Archive::Archive.  Unlock the archive file after calling
12467         Archive::setup.
12468
12469 2008-03-29  Ian Lance Taylor  <iant@google.com>
12470
12471         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12472         version symbol to be local.
12473         * testsuite/ver_test_4.sh: New file.
12474         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12475         (check_DATA): Add ver_test_4.syms.
12476         (ver_test_4.syms): New target.
12477         * testsuite/Makefile.in: Rebuild.
12478
12479         * output.cc
12480         (Output_section::Input_section_sort_entry::has_priority): New
12481         function.
12482         (Output_section::Input_section_sort_entry::match_file_name): New
12483         function.
12484         (Output_section::Input_section_sort_entry::match_section_name):
12485         Remove.
12486         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12487         Remove.
12488         (Output_section::Input_section_sort_entry::match_section_file):
12489         Remove.
12490         (Output_section::Input_section_sort_compare::operator()): Rewrite
12491         using new Input_section_sort_entry functions.  Sort crtbegin and
12492         crtend first.  Sort sections with no priority before sections with
12493         a priority.
12494         * testsuite/initpri1.c (d3): Check j != 4.
12495         (cd5): New constructor/destructor function.
12496         (main): Check j != 2.
12497
12498         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12499         new symbol when resolving, don't call set_is_default.
12500         * testsuite/ver_test_7.cc: New file.
12501         * testsuite/ver_test_7.sh: New file.
12502         * testsuite/Makefile.am (ver_test_7.so): New target.
12503         (ver_test_7.o): New target.
12504         (check_SCRIPTS): Add ver_test_7.sh.
12505         (check_DATA): Add ver_test_7.syms.
12506         (ver_test_7.syms): New target.
12507
12508 2008-03-28  Ian Lance Taylor  <iant@google.com>
12509
12510         * layout.cc (Layout::layout): If we see an input section with a
12511         name that needs sorting, set the must_sort flag for the output
12512         section.
12513         (Layout::make_output_section): If the name of the output section
12514         indicates that it might require sorting, set the may_sort flag.
12515         * output.h (Output_section::may_sort_attached_input_sections): New
12516         function.
12517         (Output_section::set_may_sort_attached_input_sections): New
12518         function.
12519         (Output_section::must_sort_attached_input_sections): New
12520         function.
12521         (Output_section::set_must_sort_attached_input_sections): New
12522         function.
12523         (class Output_section): Declare Input_section_sort_entry.  Define
12524         Input_section_sort_compare.  Declare
12525         sort_attached_input_sections.  Add new fields:
12526         may_sort_attached_input_sections_,
12527         must_sort_attached_input_sections_,
12528         attached_input_sections_are_sorted_.
12529         * output.cc (Output_section::Output_section): Initialize new
12530         fields.
12531         (Output_section::add_input_section): Add an entry to
12532         input_sections_ if may_sort or must_sort are true.
12533         (Output_section::set_final_data_size): Call
12534         sort_attached_input_sections if necessary.
12535         (Output_section::Input_section_sort_entry): Define new class.
12536         (Output_section::Input_section_sort_compare::operator()): New
12537         function.
12538         (Output_section::sort_attached_input_sections): New function.
12539         * configure.ac: Check whether the compiler supports constructor
12540         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12541         * testsuite/initpri1.c: New file.
12542         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12543         CONSTRUCTOR_PRIORITY.
12544         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12545         (initpri1_LDFLAGS): New variable.
12546         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12547
12548 2008-03-27  Ian Lance Taylor  <iant@google.com>
12549
12550         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12551         * testsuite/common_test_1.c: New file.
12552         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12553         (common_test_1_SOURCES): New variable.
12554         (common_test_1_DEPENDENCIES): New variable.
12555         (common_test_1_LDFLAGS): New variable.
12556
12557         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12558         and commons_ correctly when NAME/VERSION does not override
12559         NAME/NULL.
12560         * testsuite/ver_test_6.c: New file.
12561         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12562         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12563         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12564
12565 2008-03-26  Ian Lance Taylor  <iant@google.com>
12566
12567         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12568         of an undefined symbol from a version script.
12569         * testsuite/Makefile.am (ver_test_5.so): New target.
12570         (ver_test_5.o): New target.
12571         (check_SCRIPTS): Add ver_test_5.sh.
12572         (check_DATA): Add ver_test_5.syms.
12573         (ver_test_5.syms): New target.
12574         * testsuite/ver_test_5.cc: New file.
12575         * testsuite/ver_test_5.script: New file.
12576         * testsuite/ver_test_5.sh: New file.
12577         * Makefile.in, testsuite/Makefile.in: Rebuild.
12578
12579         PR gold/5986
12580         Fix problems building gold with gcc 4.3.0.
12581         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12582         (gold_error_at_location, gold_warning_at_location): Use it.
12583         * configure.ac: Check whether we can compile and use a template
12584         function with a printf attribute.
12585         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12586         when jumping over bytes.
12587         * object.cc: Instantiate Object::read_section_data.
12588         * debug.h: Include <cstring>
12589         * dwarf_reader.cc: Include <algorithm>
12590         * main.cc: Include <cstring>.
12591         * options.cc: Include <cstring>.
12592         * output.cc: Include <cstring>.
12593         * script.cc: Include <cstring>.
12594         * script.h: Include <string>.
12595         * symtab.cc: Include <cstring> and <algorithm>.
12596         * target-select.cc: Include <cstring>.
12597         * version.cc: Include <string>.
12598         * testsuite/testmain.cc: Include <cstdlib>.
12599         * configure, config.in: Rebuild.
12600
12601 2008-03-25  Ian Lance Taylor  <iant@google.com>
12602
12603         * options.cc: Include "../bfd/bfdver.h".
12604         (options::help): Print bug reporting address.
12605
12606         * version.cc (print_version): Adjust output for current value of
12607         BFD_VERSION_STRING.
12608
12609         * NEWS: New file.
12610
12611         * options.cc (options::help): Print list of supported targets.
12612         * target-select.h: Include <vector>.
12613         (class Target_selector): Make machine_, size_, and is_big_endian_
12614         fields const.  Add bfd_name_ and instantiated_target_ fields.
12615         (Target_selector::Target_selector): Add bfd_name parameter.
12616         (Target_selector::recognize): Make non-virtual, call
12617         do_recognize.
12618         (Target_selector::recognize_by_name): Make non-virtual, call
12619         do_recognize_by_name.
12620         (Target_selector::supported_names): New function.
12621         (Target_selector::bfd_name): New function.
12622         (Target_selector::do_instantiate_target): New pure virtual
12623         function.
12624         (Target_selector::do_recognize): New virtual function.
12625         (Target_selector::do_recognize_by_name): New virtual function.
12626         (Target_selector::instantiate_target): New private function.
12627         (supported_target_names): Declare.
12628         * target-select.cc (Target_selector::Target_selector): Update for
12629         new parameter and fields.
12630         (select_target_by_name): Check that the name matches before
12631         calling recognize_by_name.
12632         (supported_target_names): New function.
12633         * i386.cc (class Target_selector_i386): Update Target_selector
12634         constructor call.  Remove recognize and recognize_by_name.  Add
12635         do_instantiate_target.
12636         * x86_64.cc (class Target_selector_x86_64): Likewise.
12637         * testsuite/testfile.cc (class Target_selector_test): Update for
12638         changes to Target_selector.
12639
12640         * README: Rewrite, with some notes on unsupported features.
12641
12642 2008-03-24  Cary Coutant  <ccoutant@google.com>
12643
12644         * i386.cc (Target_i386::Got_type): New enum declaration.
12645         (Target_i386::Scan::local): Updated callers of Output_data_got
12646         member functions.
12647         (Target_i386::Scan::global): Likewise.
12648         (Target_i386::Relocate::relocate): Likewise.
12649         (Target_i386::Relocate::relocate_tls): Likewise.
12650         * object.h (Got_offset_list): New class.
12651         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12652         (Sized_relobj::local_got_offset): Likewise.
12653         (Sized_relobj::set_local_got_offset): Likewise.
12654         (Sized_relobj::local_has_tls_got_offset): Removed.
12655         (Sized_relobj::local_tls_got_offset): Removed.
12656         (Sized_relobj::set_local_tls_got_offset): Removed.
12657         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12658         * output.cc (Output_data_got::add_global): Added got_type parameter.
12659         (Output_data_got::add_global_with_rel): Likewise.
12660         (Output_data_got::add_global_with_rela): Likewise.
12661         (Output_data_got::add_global_pair_with_rel): New function.
12662         (Output_data_got::add_global_pair_with_rela): New function.
12663         (Output_data_got::add_local): Added got_type parameter.
12664         (Output_data_got::add_local_with_rel): Likewise.
12665         (Output_data_got::add_local_with_rela): Likewise.
12666         (Output_data_got::add_local_pair_with_rel): New function.
12667         (Output_data_got::add_local_pair_with_rela): New function.
12668         (Output_data_got::add_global_tls): Removed.
12669         (Output_data_got::add_global_tls_with_rel): Removed.
12670         (Output_data_got::add_global_tls_with_rela): Removed.
12671         (Output_data_got::add_local_tls): Removed.
12672         (Output_data_got::add_local_tls_with_rel): Removed.
12673         (Output_data_got::add_local_tls_with_rela): Removed.
12674         * output.h (Output_data_got::add_global): Added got_type parameter.
12675         (Output_data_got::add_global_with_rel): Likewise.
12676         (Output_data_got::add_global_with_rela): Likewise.
12677         (Output_data_got::add_global_pair_with_rel): New function.
12678         (Output_data_got::add_global_pair_with_rela): New function.
12679         (Output_data_got::add_local): Added got_type parameter.
12680         (Output_data_got::add_local_with_rel): Likewise.
12681         (Output_data_got::add_local_with_rela): Likewise.
12682         (Output_data_got::add_local_pair_with_rel): New function.
12683         (Output_data_got::add_local_pair_with_rela): New function.
12684         (Output_data_got::add_global_tls): Removed.
12685         (Output_data_got::add_global_tls_with_rel): Removed.
12686         (Output_data_got::add_global_tls_with_rela): Removed.
12687         (Output_data_got::add_local_tls): Removed.
12688         (Output_data_got::add_local_tls_with_rel): Removed.
12689         (Output_data_got::add_local_tls_with_rela): Removed.
12690         * resolve.cc (Symbol::override_base_with_special): Removed
12691         reference to has_got_offset_ field.
12692         * symtab.cc (Symbol::init_fields): Replaced initialization
12693         of got_offset_ with got_offsets_.  Removed initialization
12694         of has_got_offset_
12695         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12696         (Symbol::got_offset): Likewise.
12697         (Symbol::set_got_offset): Likewise.
12698         (Symbol::has_tls_got_offset): Removed.
12699         (Symbol::tls_got_offset): Removed.
12700         (Symbol::set_tls_got_offset): Removed.
12701         (Symbol::got_offset_): Removed.
12702         (Symbol::tls_mod_got_offset_): Removed.
12703         (Symbol::tls_pair_got_offset_): Removed.
12704         (Symbol::got_offsets_): New field.
12705         (Symbol::has_got_offset): Removed.
12706         (Symbol::has_tls_mod_got_offset): Removed.
12707         (Symbol::has_tls_pair_got_offset): Removed.
12708         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12709         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12710         member functions.
12711         (Target_x86_64::Scan::global): Likewise.
12712         (Target_x86_64::Relocate::relocate): Likewise.
12713         (Target_x86_64::Relocate::relocate_tls): Likewise.
12714
12715 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12716
12717         * yyscript.y: Fix spelling error in comment.
12718
12719 2008-03-24  Ian Lance Taylor  <iant@google.com>
12720
12721         * options.h (class General_options): Define build_id option.
12722         * layout.h (class Layout): Declare write_build_id, create_note,
12723         create_build_id.  Add build_id_note_ member.
12724         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12725         "libiberty.h", "md5.h", "sha1.h".
12726         (Layout::Layout): Initialize eh_frame_data_,
12727         eh_frame_hdr_section_, and build_id_note_.
12728         (Layout::finalize): Call create_build_id.
12729         (Layout::create_note): New function, broken out of
12730         Layout::create_gold_note.
12731         (Layout::create_gold_note): Call create_note.
12732         (Layout::create_build_id): New function.
12733         (Layout::write_build_id): New function.
12734         (Close_task_runner::run): Call write_build_id.
12735
12736         * x86_64.cc: Correct license to GPLv3.
12737
12738 2008-03-23  Ian Lance Taylor  <iant@google.com>
12739
12740         * options.cc: Include "demangle.h".
12741         (parse_optional_string): New function.
12742         (parse_long_option): Handle takes_optional_argument.
12743         (parse_short_option): Update dash_z initializer.  Handle
12744         takes_optional_argument.
12745         (General_options::General_options): Initialize do_demangle_.
12746         (General_options::finalize): Set do_demangle_.  Handle demangling
12747         style.
12748         * options.h (parse_optional_string): Declare.
12749         (struct One_option): Add optional_arg field.  Update constructor.
12750         Update call constructor calls.  Add takes_optional_argument
12751         function.
12752         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12753         (DEFINE_optional_string): Define.
12754         (General_options::demangle): Change from DEFINE_bool to
12755         DEFINE_optional_string.
12756         (General_options::no_demangle): New function.
12757         (General_options::do_demangle): New function.
12758         (General_options::set_do_demangle): New function.
12759         (General_options::execstack_status_): Move definition to end of
12760         class definition.
12761         (General_options::static_): Likewise.
12762         (General_options::do_demangle_): New field.
12763         * object.cc (big_endian>::get_symbol_location_info): Call
12764         Options::do_demangle, not Options::demangle.
12765         * symtab.cc (demangle): Likewise.
12766
12767 2008-03-22  Ian Lance Taylor  <iant@google.com>
12768
12769         * gold.h: Include <cstddef> and <sys/types.h>
12770         * options.h: Include <cstring>.
12771
12772 2008-03-21  Ian Lance Taylor  <iant@google.com>
12773
12774         * Added source code to GNU binutils.