gold/ChangeLog

   1 2012-05-14  Cary Coutant  <ccoutant@google.com>
   2
   3         * layout.cc (Layout::make_output_section): Mark .tdata section
   4         as RELRO.
   5         * testsuite/relro_test.cc: Add a TLS variable.
   6
   7 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
   8
   9         PR gold/14091
  10         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
  11         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
  12         R_X86_64_64.
  13
  14 2012-05-08  Cary Coutant  <ccoutant@google.com>
  15
  16         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
  17         (lines_only_debug_sections): Likewise.
  18
  19 2012-05-02  Roland McGrath  <mcgrathr@google.com>
  20
  21         * nacl.cc: New file.
  22         * nacl.h: New file.
  23         * Makefile.am (CCFILES, HFILES): Add them.
  24         * Makefile.in: Regenerate.
  25         * i386.cc (Output_data_plt_i386_nacl): New class.
  26         (Output_data_plt_i386_nacl_exec): New class.
  27         (Output_data_plt_i386_nacl_dyn): New class.
  28         (Target_i386_nacl): New class.
  29         (Target_selector_i386_nacl): New class.
  30         (target_selector_i386): Use it instead of Target_selector_i386.
  31         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
  32         (Target_x86_64_nacl): New class.
  33         (Target_selector_x86_64_nacl): New class.
  34         (target_selector_x86_64, target_selector_x32): Use it instead of
  35         Target_selector_x86_64.
  36         * arm.cc (Output_data_plt_arm_nacl): New class.
  37         (Target_arm_nacl): New class.
  38         (Target_selector_arm_nacl): New class.
  39         (target_selector_arm, target_selector_armbe): Use it instead of
  40         Target_selector_arm.
  41
  42         * target-select.cc (select_target): Take new Input_file* and off_t
  43         arguments, pass them on to recognize method of selector.
  44         * object.cc (make_elf_sized_object): Update caller.
  45         * parameters.cc (parameters_force_valid_target): Likewise.
  46         * incremental.cc (make_sized_incremental_binary): Likewise.
  47         * target-select.h: Update decl.
  48         (Target_selector::recognize): Take new Input_file* argument,
  49         pass it on to do_recognize.
  50         (Target_selector::do_recognize): Take new Input_file* argument.
  51         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
  52         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
  53         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
  54         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
  55
  56         * target.h (Target::Target_info): New members isolate_execinstr
  57         and rosegment_gap.
  58         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
  59         * arm.cc (Target_arm::arm_info): Update initializer.
  60         * i386.cc (Target_i386::i386_info): Likewise.
  61         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
  62         * sparc.cc (Target_sparc::sparc_info): Likewise.
  63         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
  64         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
  65         * layout.cc (Layout::attach_allocated_section_to_segment):
  66         Take new const Target* argument.  If target->isolate_execinstr(), act
  67         like --rosegment.
  68         (Layout::find_first_load_seg): Take new const Target* argument;
  69         if target->isolate_execinstr(), reject PF_X segments.
  70         (Layout::relaxation_loop_body): Update caller.
  71         (Layout::set_segment_offsets): If target->isolate_execinstr(),
  72         reset file offset to zero when we hit LOAD_SEG, and then do a second
  73         loop over the segments before LOAD_SEG to reassign offsets after
  74         addresses have been determined.  Handle target->rosegment_gap().
  75         (Layout::attach_section_to_segment): Take new const Target* argument;
  76         pass it to attach_allocated_section_to_segment.
  77         (Layout::make_output_section): Update caller.
  78         (Layout::attach_sections_to_segments): Take new const Target* argument;
  79         pass it to attach_section_to_segment.
  80         * gold.cc (queue_middle_tasks): Update caller.
  81         * layout.h (Layout): Update method decls with new arguments.
  82
  83         * arm.cc (Target_arm::Target_arm): Take optional argument for the
  84         Target_info pointer to use.
  85         (Target_arm::do_make_data_plt): New virtual method.
  86         (Target_arm::make_data_plt): New method that calls it.
  87         (Target_arm::make_plt_entry): Use it.
  88         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
  89         for the section alignment.
  90         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
  91         method.
  92         (Output_data_plt_arm::first_plt_entry_offset): Call it.
  93         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
  94         method.
  95         (Output_data_plt_arm::get_plt_entry_size): Call it.
  96         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
  97         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
  98         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
  99         method.
 100         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 101         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 102         method instead of sizeof(plt_entry).
 103         (Output_data_plt_arm::add_entry): Likewise.
 104         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 105         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 106         than static method.
 107         (Target_arm::plt_entry_size): Likewise.
 108         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 109         Move to ...
 110         (Output_data_plt_arm_standard): ... here, new class.
 111         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 112         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 113         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 114
 115         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 116         Take additional argument for the PLT entry size.
 117         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 118         Use get_plt_entry_size method rather than plt_entry_size variable.
 119         (Output_data_plt_x86_64::reserve_slot): Likewise.
 120         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 121         (Output_data_plt_x86_64::add_entry): Likewise.
 122         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 123         (Output_data_plt_x86_64::address_for_global): Likewise.
 124         (Output_data_plt_x86_64::address_for_local): Likewise.
 125         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 126         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 127         Make method non-static.
 128         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 129         method.
 130         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 131         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 132         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 133         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 134         virtual method.
 135         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 136         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 137         virtual method.
 138         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 139         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 140         virtual method.
 141         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 142         (Output_data_plt_x86_64::plt_entry_size)
 143         (Output_data_plt_x86_64::first_plt_entry)
 144         (Output_data_plt_x86_64::plt_entry)
 145         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 146         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 147         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 148         (Output_data_plt_x86_64_standard): ... here, new class.
 149         (Target_x86_64::Target_x86_64): Take optional argument for the
 150         Target_info pointer to use.
 151         (Target_x86_64::do_make_data_plt): New virtual method.
 152         (Target_x86_64::make_data_plt): New method to call it.
 153         (Target_x86_64::init_got_plt_for_update): Use that.
 154         Call this->plt_->add_eh_frame method here.
 155         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 156         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 157         rather than static method.
 158         (Target_x86_64::plt_entry_size): Likewise.
 159         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 160         rather than plt_entry_size variable.  Move guts of PLT filling to...
 161         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 162         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 163         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 164
 165         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 166         additional argument for the section alignment.
 167         Don't do add_eh_frame_for_plt here.
 168         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 169         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 170         variable.
 171         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 172         method.
 173         (Output_data_plt_i386::get_plt_entry_size): Call it.
 174         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 175         (Output_data_plt_i386::add_eh_frame): New method to call it.
 176         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 177         method.
 178         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 179         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 180         method.
 181         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 182         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 183         method instead of plt_entry_size.
 184         (Output_data_plt_i386::plt_entry_size)
 185         (Output_data_plt_i386::plt_eh_frame_fde_size)
 186         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 187         (Output_data_plt_i386_standard): ... here, new class.
 188         (Output_data_plt_i386_exec): New class.
 189         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 190         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 191         (Output_data_plt_i386::exec_plt_entry): Move to ...
 192         (Output_data_plt_i386_exec::plt_entry): ... here.
 193         (Output_data_plt_i386_dyn): New class.
 194         (Output_data_plt_i386::first_plt_entry): Move to ...
 195         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 196         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 197         (Output_data_plt_i386_dyn::plt_entry): ... here.
 198         (Target_i386::Target_i386): Take optional argument for the Target_info
 199         pointer to use.
 200         (Target_i386::do_make_data_plt): New virtual method.
 201         (Target_i386::make_data_plt): New method to call it.
 202         (Target_i386::make_plt_section): Use that.
 203         Call this->plt_->add_eh_frame method here.
 204         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 205         rather than plt_entry_size variable.
 206         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 207         (Output_data_plt_i386::address_for_local): Likewise.
 208         (Output_data_plt_i386::do_write): Likewise.
 209         Move guts of PLT filling to...
 210         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 211         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 212         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 213         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 214
 215 2012-05-01  Cary Coutant  <ccoutant@google.com>
 216
 217         * dwarf_reader.cc (Dwarf_die::read_attributes)
 218         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 219         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 220         * reduced_debug_output.cc
 221         (Output_reduced_debug_info_section::get_die_end): Remove
 222         DW_FORM_GNU_ref_index.  Add default case.
 223
 224 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 225
 226         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 227         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 228         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 229         DW_AT_high_pc as offset from DW_AT_low_pc.
 230
 231         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 232         * testsuite/Makefile.in: Regenerate.
 233         * testsuite/gdb_index_test_3.c: New test source file.
 234         * testsuite/gdb_index_test_3.sh: New test source file.
 235
 236 2012-04-25  Ian Lance Taylor  <iant@google.com>
 237
 238         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 239         pointer.
 240         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 241         as a class, not a struct.
 242         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 243         (Target_arm::apply_cortex_a8_workaround): Likewise.
 244         * gc.h: Declare Reloc_types as a struct, not a class.
 245         * object.h: Declare Symbols_data as a struct.
 246         * reloc.h: Declare Read_relocs_data as a struct.
 247         * target.h: Declare Relocate_info as a struct.
 248
 249 2012-04-24  David S. Miller  <davem@davemloft.net>
 250
 251         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 252         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 253         and R_SPARC_WPLT30.
 254
 255 2012-04-24  Cary Coutant  <ccoutant@google.com>
 256
 257         * incremental-dump.cc (find_input_containing_global): Replace
 258         magic number with symbolic constant.
 259         (dump_incremental_inputs): Update version number.
 260         * incremental.cc (Output_section_incremental_inputs): Update version
 261         number; import symbolic constants from Incremental_inputs_reader.
 262         (Incremental_inputs::create_data_sections): Align relocations
 263         section correctly for 64-bit targets.
 264         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 265         constants; add padding.
 266         (Output_section_incremental_inputs::write_header): Add assert for
 267         header_size.
 268         (Output_section_incremental_inputs::write_input_files): Add assert
 269         for input_entry_size.
 270         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 271         add assert for object_info_size, input_section_entry_size,
 272         global_sym_entry_size.
 273         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 274         for data structure sizes; use them.
 275         (Incremental_input_entry_reader): Import symbolic constants from
 276         Incremental_inputs_reader; use them.
 277
 278 2012-04-23  David S. Miller  <davem@davemloft.net>
 279
 280         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 281         and elf_flags_set_.
 282         (Target_sparc::Target_sparc): Initialize new fields.
 283         (Target_sparc::do_make_elf_object): New function.
 284         (Target_sparc::do_adjust_elf_header): New function.
 285
 286 2012-04-23  Cary Coutant  <ccoutant@google.com>
 287
 288         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 289         CU range table of gdb index.
 290
 291 2012-04-20  David S. Miller  <davem@davemloft.net>
 292
 293         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 294         instead of false.
 295
 296 2012-04-16  David S. Miller  <davem@davemloft.net>
 297
 298         * sparc.cc (Target_sparc::got_address): New function.
 299         (Sparc_relocate_functions::gdop_hix22): New function.
 300         (Sparc_relocate_functions::gdop_lox10): New function.
 301         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 302         relocs.
 303         (Target_sparc::Scan::local): Likewise if the global symbol is not
 304         preemptible and is not IFUNC.
 305         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 306         transformations for local and non-preemptible non-IFUNC global
 307         symbols.
 308
 309         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 310         writing out 64-bit part of ranges.
 311
 312         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 313         -fpic and -fpie respectively.
 314         * Makefile.in: Regenerate.
 315
 316         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 317         (Target_sparc::Target_sparc): Initialize new field.
 318         (Target_sparc::do_plt_section_for_global): New function.
 319         (Target_sparc::do_plt_section_for_local): New function.
 320         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 321         (Target_sparc::make_plt_section): New function, broken out of
 322         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 323         (Target_sparc::make_plt_entry): Call make_plt_section.
 324         (Target_sparc::make_local_ifunc_plt_entry): New function.
 325         (Target_sparc::rela_ifunc_section): New function.
 326         (Target_sparc::plt_section): Remove const.
 327         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 328         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 329         and ifunc_count_ fields.
 330         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 331         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 332         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 333         (Output_data_plt_sparc::rela_ifunc): New function.
 334         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 335         (Output_data_plt_sparc::has_ifunc_section): New function.
 336         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 337         (Output_data_plt_sparc::address_for_global): New function.
 338         (Output_data_plt_sparc::address_for_local): New function.
 339         (Output_data_plt_sparc::plt_index_to_offset): New function.
 340         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 341         and entry_count.
 342         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 343         entry_count.
 344         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 345         R_SPARC_JMP_IREL to switch.
 346         (Target_sparc::Scan::check_non_pic): Likewise.
 347         (Target_sparc::Scan::local): Handle IFUNC symbols.
 348         (Target_sparc::Scan::local): Likewise.
 349         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 350         and plt_address_for_local.
 351         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 352         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 353
 354         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 355         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 356         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 357         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 358         global relocs too.
 359         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 360         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 361         calls.
 362         * sparc.cc (Target_sparc::Scan::global): Likewise.
 363         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 364
 365 2012-04-16  Cary Coutant  <ccoutant@google.com>
 366
 367         * archive.cc (Library_base::should_include_member): Check for
 368         --export-dynamic-symbol.
 369         * options.h (class General_options): Add --export-dynamic-symbol.
 370         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 371         --export-dynamic-symbol.
 372         (Symbol_table::gc_mark_undef_symbols): Likewise.
 373         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 374
 375 2012-04-12  David S. Miller  <davem@davemloft.net>
 376
 377         * sparc.cc (Reloc::wdisp10): New relocation method.
 378         (Reloc::h34): Likewise.
 379         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 380         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 381         R_SPARC_WDISP10.
 382         (Target_sparc::Scan::local): Likewise.
 383         (Target_sparc::Scan::global): Likewise.
 384         (Target_sparc::Relocate::relocate): Likewise.
 385
 386 2012-04-09  Cary Coutant  <ccoutant@google.com>
 387
 388         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 389         low_pc == 0.
 390
 391 2012-04-06  Ian Lance Taylor  <iant@google.com>
 392
 393         * timer.cc: #include <unistd.h>.
 394
 395 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 396
 397         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 398         * config.in: Regenerate.
 399         * configure: Regenerate.
 400
 401 2012-04-05  Nick Clifton  <nickc@redhat.com>
 402
 403         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 404         (AM_LC_MESSAGES): Add.
 405         * aclocal.m4: Regenerate.
 406         * config.in: Regenerate.
 407         * configure: Regenerate.
 408
 409 2012-03-21  Cary Coutant  <ccoutant@google.com>
 410
 411         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 412         * Makefile.in: Regenerate.
 413         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 414         (Sized_elf_reloc_mapper::symbol_section): New function.
 415         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 416         (make_elf_reloc_mapper): New function.
 417         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 418         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 419         (Dwarf_abbrev_table::do_get_abbrev): New function.
 420         (Dwarf_ranges_table::read_ranges_table): New function.
 421         (Dwarf_ranges_table::read_range_list): New function.
 422         (Dwarf_pubnames_table::read_section): New function.
 423         (Dwarf_pubnames_table::read_header): New function.
 424         (Dwarf_pubnames_table::next_name): New function.
 425         (Dwarf_die::Dwarf_die): New function.
 426         (Dwarf_die::read_attributes): New function.
 427         (Dwarf_die::skip_attributes): New function.
 428         (Dwarf_die::set_name): New function.
 429         (Dwarf_die::set_linkage_name): New function.
 430         (Dwarf_die::attribute): New function.
 431         (Dwarf_die::string_attribute): New function.
 432         (Dwarf_die::int_attribute): New function.
 433         (Dwarf_die::uint_attribute): New function.
 434         (Dwarf_die::ref_attribute): New function.
 435         (Dwarf_die::child_offset): New function.
 436         (Dwarf_die::sibling_offset): New function.
 437         (Dwarf_info_reader::check_buffer): New function.
 438         (Dwarf_info_reader::parse): New function.
 439         (Dwarf_info_reader::do_parse): New function.
 440         (Dwarf_info_reader::do_read_string_table): New function.
 441         (Dwarf_info_reader::lookup_reloc): New function.
 442         (Dwarf_info_reader::get_string): New function.
 443         (Dwarf_info_reader::visit_compilation_unit): New function.
 444         (Dwarf_info_reader::visit_type_unit): New function.
 445         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 446         Sized_elf_reloc_mapper.
 447         (Sized_dwarf_line_info::symbol_section): Remove function.
 448         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 449         (Sized_dwarf_line_info::read_line_mappings): Remove object
 450         parameter, adjust callers.
 451         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 452         * dwarf_reader.h: Include <sys/types.h>.
 453         (class Track_relocs): Remove forward declaration.
 454         (class Elf_reloc_mapper): New class.
 455         (class Sized_elf_reloc_mapper): New class.
 456         (class Dwarf_abbrev_table): New class.
 457         (class Dwarf_range_list): New class.
 458         (class Dwarf_ranges_table): New class.
 459         (class Dwarf_pubnames_table): New class.
 460         (class Dwarf_die): New class.
 461         (class Dwarf_info_reader): New class.
 462         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 463         (Sized_dwarf_line_info::symbol_section): Remove member function.
 464         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 465         base class.
 466         * gdb-index.cc: New source file.
 467         * gdb-index.h: New source file.
 468         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 469         and .debug_types sections, call Layout::add_to_gdb_index.
 470         (Sized_relobj_incr::do_section_name): Implement.
 471         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 472         return type; Implement.
 473         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 474         return type.
 475         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 476         parameter list and return type.
 477         (Sized_incr_dynobj::do_section_contents): Likewise.
 478         * layout.cc: Include gdb-index.h.
 479         (Layout::Layout): Initialize gdb_index_data_.
 480         (Layout::init_fixed_output_section): Check for .gdb_index section.
 481         (Layout::add_to_gdb_index): New function. Instantiate.
 482         * layout.h: Add forward declaration for class Gdb_index.
 483         (Layout::add_to_gdb_index): New member function.
 484         (Layout::gdb_index_data_): New data member.
 485         * main.cc: Include gdb-index.h.
 486         (main): Print statistics for gdb index.
 487         * object.cc (Object::section_contents): Move code into
 488         do_section_contents.
 489         (need_decompressed_section): Check for sections needed when building
 490         gdb index.
 491         (build_compressed_section_map): Likewise.
 492         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 493         gdb index.
 494         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 495         sections; call Layout::add_to_gdb_index.
 496         (Sized_relobj_file::do_decompressed_section_contents): Call
 497         do_section_contents directly.
 498         * object.h (Object::do_section_contents): Adjust parameter list and
 499         return type.
 500         (Object::do_decompressed_section_contents): Call do_section_contents
 501         directly.
 502         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 503         return type.
 504         * options.h (class General_options): Add --gdb-index option.
 505         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 506         list and return type.
 507         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 508         * reloc.h (Track_relocs::checkpoint): New function.
 509         (Track_relocs::reset): New function.
 510
 511         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 512         New test cases.
 513         * testsuite/Makefile.in: Regenerate.
 514         * testsuite/gdb_index_test.cc: New test source file.
 515         * testsuite/gdb_index_test_1.sh: New test source file.
 516         * testsuite/gdb_index_test_2.sh: New test source file.
 517
 518 2012-03-19  Doug Kwan  <dougkwan@google.com>
 519
 520         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 521         (Target_arm::do_finalize_sections): Remove code which defines
 522         __exidx_start and __exidx_end.  Make symbol table parameter
 523         anonymous as it is not used.
 524         * gold.cc (queue_middle_tasks): Call target hook to define any
 525         target-specific symbols.
 526         * target.h (Target::define_standard_symbols): New method.
 527         (Target::do_define_standard_symbols): Same.
 528         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 529         * testsuite/Makefile.in: Regenerate.
 530         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 531         and __exidx_end.
 532         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 533         relocations are generated for __exidx_start and __exidx_end.
 534
 535 2012-03-16  Doug Kwan  <dougkwan@google.com>
 536
 537         * testsuite/Makefile.am: Disable test initpri3b.
 538         * testsuite/Makefile.in: Regenerate.
 539
 540 2012-03-15  Doug Kwan  <dougkwan@google.com>
 541
 542         * arm.cc (Target_arm::got_section): Make .got section read-only
 543         if -z now is given.
 544
 545 2012-03-15  Ian Lance Taylor  <iant@google.com>
 546
 547         PR gold/13850
 548         * layout.cc (Layout::make_output_section): Correctly mark
 549         SHT_INIT_ARRAY, et. al., as relro.
 550
 551 2012-03-14  Doug Kwan  <dougkwan@google.com>
 552
 553         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 554         dynamic relocations for protected symbols in shared objects.
 555
 556 2012-03-13  Ian Lance Taylor  <iant@google.com>
 557
 558         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 559         keep the larger alignment.
 560
 561 2012-03-12  Cary Coutant  <ccoutant@google.com>
 562
 563         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 564         handling of DW_LNE_define_file.
 565
 566 2012-03-12  Cary Coutant  <ccoutant@google.com>
 567
 568         * reduced_debug_output.cc
 569         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 570         codes to switch.
 571
 572 2012-02-29  Cary Coutant  <ccoutant@google.com>
 573
 574         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 575
 576 2012-02-29  Cary Coutant  <ccoutant@google.com>
 577
 578         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 579         Call Object::decompressed_section_contents.
 580         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 581         New dtor.
 582         (Sized_dwarf_line_info::buffer_start_): New data member.
 583         * merge.cc (Output_merge_data::do_add_input_section): Call
 584         Object::decompressed_section_contents.
 585         (Output_merge_string::do_add_input_section): Likewise.
 586         * object.cc (need_decompressed_section): New function.
 587         (build_compressed_section_map): Decompress sections needed later.
 588         (Sized_relobj_file::do_decompressed_section_contents): New function.
 589         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 590         * object.h (Object::decompressed_section_contents): New function.
 591         (Object::discard_decompressed_sections): New function.
 592         (Object::do_decompressed_section_contents): New function.
 593         (Object::do_discard_decompressed_sections): New function.
 594         (Compressed_section_info): New type.
 595         (Compressed_section_map): Include decompressed section contents.
 596         (Sized_relobj_file::do_decompressed_section_contents): New function.
 597         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 598
 599 2012-02-16  Cary Coutant  <ccoutant@google.com>
 600
 601         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 602         * testsuite/Makefile.in: Regenerate.
 603
 604 2012-02-14  Cary Coutant  <ccoutant@google.com>
 605
 606         * options.cc (General_options::finalize): Disallow -pie and -static.
 607
 608 2012-02-03  Doug Kwan  <dougkwan@google.com>
 609
 610         * arm.cc (Arm_relocate_functions::abs8,
 611         Arm_relocate_functions::abs16): Use
 612         Bits::has_signed_unsigned_overflow32.
 613         (Arm_relocate_functions::thm_abs8): Correct range of
 614         overflow check.
 615         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 616         in assertions.
 617
 618 2012-02-02  Doug Kwan  <dougkwan@google.com>
 619
 620         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 621         position independent outputs, not just shared objects.
 622
 623 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 624
 625         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 626         * configure: Regenerated.
 627
 628 2012-01-27  Ian Lance Taylor  <iant@google.com>
 629
 630         * reloc.h (Bits): New class with static functions, copied from
 631         namespace utils in arm.cc.
 632         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 633         instead.
 634
 635 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 636
 637         * incremental.cc (write_info_blocks): Correct relocation offset.
 638
 639 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 640
 641         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 642         (Relocate::tls_gd_to_le): Likewise.
 643
 644 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 645
 646         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 647
 648 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 649
 650         * configure.ac: Check if -mcmodel=medium works.
 651         * configure: Regenerated.
 652
 653 2012-01-24  Cary Coutant  <ccoutant@google.com>
 654
 655         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 656         definition and ...
 657         (read_unsigned_LEB_128_x): ... this new function.
 658         (read_signed_LEB_128): Replaced with inline definition and ...
 659         (read_signed_LEB_128_x): ... this new function.
 660         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 661         (read_unsigned_LEB_128): Add inline definition.
 662         (read_signed_LEB_128_x): New function.
 663         (read_signed_LEB_128): Add inline definition.
 664         * testsuite/Makefile.am (leb128_unittest): New unit test.
 665         * testsuite/Makefile.in: Regenerate.
 666         * testsuite/leb128_unittest.cc: New unit test.
 667
 668 2012-01-23  Ian Lance Taylor  <iant@google.com>
 669
 670         PR gold/13617
 671         * i386.cc (Target_i386::do_code_fill): When using a jmp
 672         instruction, pad with nop instructions.
 673         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 674
 675 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 676
 677         * x86_64.cc (gc_process_relocs): Add typename on types used in
 678         template.
 679         (scan_relocs): Likewise.
 680         (relocate_section): Likewise.
 681         (apply_relocation): Likewise.
 682
 683 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 684
 685         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 686         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 687         under x32.
 688
 689 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 690
 691         * x86_64.cc: Initial support for x32.
 692
 693 2012-01-03  Cary Coutant  <ccoutant@google.com>
 694
 695         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 696         Use abstract base class for GOT.
 697         * gold/output.h (class Output_data_got_base): New abstract base class.
 698         (class Output_data_got): Derive from new base class, adjust ctors.
 699         (Output_data_got::reserve_slot): Make virtual; rename to
 700         do_reserve_slot; Adjust callers.
 701         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 702         pointer to abstract base class.
 703         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 704
 705 2011-12-18  Ian Lance Taylor  <iant@google.com>
 706
 707         * object.h (Relobj::local_symbol_value): New function.
 708         (Relobj::local_plt_offset): New function.
 709         (Relobj::local_has_got_offset): New function.
 710         (Relobj::local_got_offset): New function.
 711         (Relobj::set_local_got_offset): New function.
 712         (Relobj::do_local_symbol_value): New pure virtual function.
 713         (Relobj::do_local_plt_offset): Likewise.
 714         (Relobj::do_local_has_got_offset): Likewise.
 715         (Relobj::do_local_got_offset): Likewise.
 716         (Relobj::do_set_local_got_offset): Likewise.
 717         (Sized_relobj::do_local_has_got_offset): Rename from
 718         local_has_got_offset.
 719         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 720         (Sized_relobj::do_set_local_got_offset): Rename from
 721         set_local_got_offset.
 722         (Sized_relobj_file::do_local_plt_offset): Rename from
 723         local_plt_offset.
 724         (Sized_relobj_file::do_local_symbol_value): New function.
 725         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 726         local_plt_offset.
 727         * output.cc (Output_data_got::Got_entry::write): Change object to
 728         Relobj.  Use local_symbol_value.
 729         (Output_data_got::add_global_with_rel): Change rel_dyn to
 730         Output_data_reloc_generic*.  Use add_global_generic.
 731         (Output_data_got::add_global_with_rela): Remove.  Change all
 732         callers to use add_global_with_rel.
 733         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 734         Output_data_reloc_generic*.  Use add_global_generic.
 735         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 736         callers to use add_global_pair_with_rel.
 737         (Output_data_got::add_local): Change object to Relobj*.
 738         (Output_data_got::add_local_plt): Likewise.
 739         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 740         change rel_dyn to Output_data_reloc_generic*.  Use
 741         add_local_generic.
 742         (Output_data_got::add_local_with_rela): Remove.  Change all
 743         callers to use all_local_with_rel.
 744         (Output_data_got::add_local_pair_with_rel): Change object to
 745         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 746         add_output_section_generic.
 747         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 748         callers to use add_local_pair_with_rel.
 749         (Output_data_got::reserve_local): Change object to Relobj*.
 750         * output.h: (class Output_data_reloc_generic): Add pure virtual
 751         declarations for add_global_generic, add_local_generic,
 752         add_output_section_generic.
 753         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 754         functions for Output_data_reloc_generic.  Update declarations for
 755         changes listed in output.cc.
 756         (class Output_data_got): Change template parameter to got_size.
 757         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 758         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 759         function.
 760         (Sized_relobj_incr::do_local_plt_offset): New function.
 761         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 762         add_global_generic.
 763
 764 2011-12-17  Cary Coutant  <ccoutant@google.com>
 765
 766         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 767         * resolve.cc (Symbol_table::resolve): Likewise.
 768         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 769         arrays.
 770         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 771
 772 2011-12-16  Ian Lance Taylor  <iant@google.com>
 773
 774         * output.h (Output_data_reloc_generic::add): Only call
 775         add_dynamic_reloc if this is a dynamic reloc section.
 776
 777 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 778
 779         PR gold/13505
 780         * target-reloc.h (apply_relocation): Replace <64, false> with
 781         <size, big_endian>.
 782
 783 2011-11-25  Nick Clifton  <nickc@redhat.com>
 784
 785         * po/it.po: New Italian translation.
 786
 787 2011-11-17  Sterling Augustine  <saugustine@google.com>
 788
 789         * script.cc (script_include_directive): Implement.
 790         (read_script_file): New local variables name and search_path. Update
 791         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 792         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 793         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 794
 795 2011-11-11  Sterling Augustine  <saugustine@google.com>
 796
 797         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 798         (file_or_sections_cmd): Likewise.
 799
 800 2011-11-11  Doug Kwan  <dougkwan@google.com>
 801
 802         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 803         if --just-symbols is given.
 804
 805 2011-11-10  Doug Kwan  <dougkwan@google.com>
 806
 807         PR gold/13362
 808         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 809         when processing data relocs.
 810         * reloc.h (Relocate_functions::rel_unaligned): New method.
 811         (Relocate_functions::pcrel_unaligned): Ditto.
 812         (Relocate_functions::rel32_unaligned): Ditto.
 813         (Relocate_functions::pcrel32_unaligned): Ditto.
 814
 815 2011-11-09  Doug Kwan  <dougkwan@google.com>
 816
 817         PR gold/13362
 818         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 819         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 820         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 821         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 822         (Relocate_functions::rel_unaligned): New.
 823         (Relocate_functions::rel32_unaligned): New.
 824         * target-reloc.h (relocate_for_relocatable): Add code to handle
 825         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 826         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 827         arm_unaligned_reloc_r): New targets.
 828         * testsuite/Makefile.in: Regenerate.
 829         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 830         linking.
 831
 832 2011-11-02  Ian Lance Taylor  <iant@google.com>
 833
 834         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 835         NATIVE_LINKER.
 836         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 837         * options.cc (General_options::finalize): Use library search path
 838         from configure script if specified.  If not native and no sysroot,
 839         only search TOOLLIBDIR.
 840         * options.h (Search_directory::Search_directory): Change name to
 841         const std::string&.
 842         (General_options::add_to_library_path_with_sysroot): Change arg to
 843         const std::string&.
 844         * configure, Makefile.in, config.in: Rebuild.
 845
 846 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 847
 848         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 849         we are working around the ARM1176 Erratum.
 850         * options.h (General_options::fix_arm1176): Add option.
 851         * testsuite/Makefile.am: Add testcases, and keep current ones
 852         working.
 853         * testsuite/Makefile.in: Regenerate.
 854         * testsuite/arm_fix_1176.s: New file.
 855         * testsuite/arm_fix_1176.sh: Likewise.
 856
 857 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 858
 859         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 860         may_use_blx_.
 861         (Target_arm::may_use_blx): Remove method.
 862         (Target_arm::set_may_use_blx): Likewise.
 863         (Target_arm::may_use_v4t_interworking): New method.
 864         (Target_arm::may_use_v5t_interworking): Likewise.
 865         (Target_arm::may_use_blx_): Remove member variable.
 866         (Arm_relocate_functions::arm_branch_common): Check for v5T
 867         interworking.
 868         (Arm_relocate_functions::thumb_branch_common): Likewise.
 869         (Reloc_stub::stub_type_for_reloc): Likewise.
 870         (Target_arm::do_finalize_sections): Correct interworking checks.
 871         * testsuite/Makefile.am: Add new tests.
 872         * testsuite/Makefile.in: Regenerate.
 873         * testsuite/arm_farcall_arm_arm.s: New test.
 874         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 875         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 876         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 877         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 878         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 879         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 880         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 881
 882 2011-10-31  Cary Coutant  <ccoutant@google.com>
 883
 884         PR gold/13023
 885         * expression.cc (Expression::eval_with_dot): Add
 886         is_section_dot_assignment parameter.
 887         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 888         absolute and assigning to dot within a section.
 889         * script-sections.cc
 890         (Output_section_element_assignment::set_section_addresses): Pass
 891         dot_section to set_if_absolute.
 892         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 893         as is_section_dot_assignment flag to eval_with_dot.
 894         (Output_section_element_dot_assignment::set_section_addresses):
 895         Likewise.
 896         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 897         parameter.  Also set value if relative to dot_section; set the
 898         symbol's output_section.
 899         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 900         parameter.  Adjust all callers.
 901         (Expression::eval_maybe_dot): Likewise.
 902         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 903         Adjust all callers.
 904         * testsuite/script_test_2.t: Test assignment of an absolute value
 905         to dot within an output section element.
 906
 907 2011-10-31  Cary Coutant  <ccoutant@google.com>
 908
 909         * options.h (class General_options): Add --[no-]gnu-unique options.
 910         * symtab.cc (Symbol_table::sized_write_globals): Convert
 911         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 912
 913 2011-10-31  Cary Coutant  <ccoutant@google.com>
 914
 915         PR gold/13359
 916         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 917         unnecessary assertion.
 918         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 919
 920 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 921
 922         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 923         gc_mark_symbol.
 924         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 925         gc_mark_symbol.
 926         Change to just keep the section associated with symbol.
 927         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 928         they are externally visible and --export-dynamic is turned on.
 929         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 930
 931 2011-10-19  Ian Lance Taylor  <iant@google.com>
 932
 933         PR gold/13163
 934         * script-sections.cc
 935         (Output_section_element_dot_assignment::needs_output_section): New
 936         function.
 937
 938 2011-10-19  Ian Lance Taylor  <iant@google.com>
 939
 940         PR gold/13204
 941         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 942         --section-start option was seen.
 943         * options.h (General_options::any_section_start): New function.
 944
 945 2011-10-18  David S. Miller  <davem@davemloft.net>
 946
 947         PR binutils/13301
 948         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 949         member to track relocation locations that have moved during TLS
 950         reloc optimizations.
 951         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 952         (Target_sparc::Relocate::relocate): Adjust view down by 4
 953         bytes if it matches reloc_adjust_addr_.
 954         (Target_sparc::Relocate::relocate_tls): Always move the
 955         __tls_get_addr call delay slot instruction forward 4 bytes when
 956         performing relaxation.
 957
 958 2011-10-18  Cary Coutant  <ccoutant@google.com>
 959
 960         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 961         (Output_file::map_no_anonymous): Check for non-zero
 962         return code from posix_fallocate.
 963
 964 2011-10-17  Cary Coutant  <ccoutant@google.com>
 965
 966         PR gold/13245
 967         * plugin.cc (is_visible_from_outside): Check for symbols
 968         referenced from dynamic objects.
 969         * resolve.cc (Symbol_table::resolve): Don't count references
 970         from dynamic objects as references from real ELF files.
 971         * testsuite/plugin_test_2.sh: Adjust expected result.
 972
 973 2011-10-17  Cary Coutant  <ccoutant@google.com>
 974
 975         * gold.cc: Include timer.h.
 976         (queue_middle_tasks): Stamp time.
 977         (queue_final_tasks): Likewise.
 978         * main.cc (main): Store timer in parameters.  Print timers
 979         for each pass.
 980         * parameters.cc (Parameters::Parameters): Initialize timer_.
 981         (Parameters::set_timer): New function.
 982         (set_parameters_timer): New function.
 983         * parameters.h (Parameters::set_timer): New function.
 984         (Parameters::timer): New function.
 985         (Parameters::timer_): New data member.
 986         (set_parameters_timer): New function.
 987         * timer.cc (Timer::stamp): New function.
 988         (Timer::get_pass_time): New function.
 989         * timer.h (Timer::stamp): New function.
 990         (Timer::get_pass_time): New function.
 991         (Timer::pass_times_): New data member.
 992
 993 2011-10-17  Cary Coutant  <ccoutant@google.com>
 994
 995         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 996         task for members of lib groups.
 997
 998 2011-10-17  Cary Coutant  <ccoutant@google.com>
 999
1000         PR gold/13288
1001         * fileread.cc (File_read::find_view): Add assert.
1002         (File_read::make_view): Move bounds check (replace with assert)...
1003         (File_read::find_or_make_view): ... to here.
1004
1005 2011-10-12  Cary Coutant  <ccoutant@google.com>
1006
1007         * output.cc (Output_file::open_base_file): Handle case where
1008         ::read returns less than requested size.
1009
1010 2011-10-10  Cary Coutant  <ccoutant@google.com>
1011
1012         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1013         Initialize defined_count_.
1014         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1015         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1016         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1017         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1018         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1019         * incremental.h (Sized_relobj_incr::defined_count_): New data
1020         member.
1021         (Sized_incr_dynobj::defined_count_): New data member.
1022         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1023         Return zeroes instead of internal error.
1024
1025 2011-10-10  Cary Coutant  <ccoutant@google.com>
1026
1027         PR gold/13249
1028         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1029         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1030         * output.h (class Output_reloc): Add use_plt_offset flag.
1031         (Output_reloc::type_): Adjust size of bit field.
1032         (Output_reloc::use_plt_offset_): New bit field.
1033         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1034         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1035         flag.  Adjust all callers.
1036         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1037         creating RELATIVE relocations.
1038
1039 2011-10-10  Nick Clifton  <nickc@redhat.com>
1040
1041         * po/es.po: Updated Spanish translation.
1042         * po/fi.po: Updated Finnish translation.
1043
1044 2011-10-03   Diego Novillo  <dnovillo@google.com>
1045
1046         * options.cc (parse_uint): Fix dereference of RETVAL.
1047
1048 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1049
1050         * layout.h (section_order_map_): New member.
1051         (get_section_order_map): New member function.
1052         * output.cc (Output_section::add_input_section): Check for patterns
1053         only when --section-ordering-file is specified.
1054         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1055         output_sections have been formed.
1056         * layout.cc (Layout_Layout): Initialize section_order_map_.
1057         * plugin.cc (update_section_order): Store order in order_map. Do not
1058         update the order.
1059         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1060         * testsuite/Makefile.in: Regenerate.
1061         * testsuite/plugin_section_order.c: New file.
1062         * testsuite/plugin_final_layout.cc: New file.
1063         * testsuite/plugin_final_layout.sh: New file.
1064
1065 2011-09-29  Cary Coutant  <ccoutant@google.com>
1066
1067         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1068         Check for NULL.
1069         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1070         symbols during incremental update.
1071         (Symbol_table::add_from_dynobj): Likewise.
1072
1073 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1074             Ian Lance Taylor  <iant@google.com>
1075
1076         * symtab.cc (Symbol_table::define_special_symbol): Always
1077         canonicalize version string.
1078
1079 2011-09-26  Cary Coutant  <ccoutant@google.com>
1080
1081         * gold.cc (queue_initial_tasks): Move option checks ...
1082         * options.cc (General_options::finalize): ... to here. Disable
1083         some options; make others fatal.
1084
1085 2011-09-26  Cary Coutant  <ccoutant@google.com>
1086
1087         gcc PR lto/47247
1088         * plugin.cc (get_symbols_v2): New function.
1089         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1090         (is_referenced_from_outside): New function.
1091         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1092         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1093         (get_symbols): Pass version parameter.
1094         (get_symbols_v2): New function.
1095         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1096         parameter.
1097         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1098         (onload): Add LDPT_GET_SYMBOLS_V2.
1099         (all_symbols_read_hook): Use get_symbols_v2; check for
1100         LDPR_PREVAILING_DEF_IRONLY_EXP.
1101         * testsuite/plugin_test_3.sh: Update expected results.
1102
1103 2011-09-23  Simon Baldwin  <simonb@google.com>
1104
1105         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1106         configuration options.
1107         * configure: Regenerate.
1108         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1109         * Makefile.in: Regenerate.
1110         * testsuite/Makefile.in: Regenerate.
1111
1112 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1113
1114         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1115
1116 2011-09-19  Cary Coutant  <ccoutant@google.com>
1117
1118         * incremental.cc (can_incremental_update): Fix typo in comment.
1119         * incremental.h (can_incremental_update): Likewise.
1120
1121 2011-09-18  Cary Coutant  <ccoutant@google.com>
1122
1123         * incremental.cc (can_incremental_update): New function.
1124         * incremental.h (can_incremental_update): New function.
1125         * layout.cc (Layout::init_fixed_output_section): Call it.
1126         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1127         * object.cc (Sized_relobj_file::do_layout): Call
1128         can_incremental_update.
1129
1130 2011-09-13  Cary Coutant  <ccoutant@google.com>
1131
1132         * configure.ac: Check for glibc support for gnu_indirect_function
1133         support with static linking, setting automake conditional
1134         IFUNC_STATIC.
1135         * Makefile.in: Regenerate.
1136         * configure: Regenerate.
1137
1138         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1139         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1140         for IFUNC_STATIC.
1141         * testsuite/Makefile.in: Regenerate.
1142
1143 2011-09-13  Cary Coutant  <ccoutant@google.com>
1144
1145         * incremental.cc (Sized_relobj_incr::do_layout): Call
1146         report_comdat_group for kept comdat sections.
1147         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1148         * testsuite/Makefile.in: Regenerate.
1149         * testsuite/incr_comdat_test_1.cc: New source file.
1150         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1151         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1152         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1153
1154 2011-09-13  Ian Lance Taylor  <iant@google.com>
1155
1156         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1157         variable external_symbols_offset.
1158
1159 2011-09-12  Ian Lance Taylor  <iant@google.com>
1160
1161         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1162         triggered if object has no symbols.
1163
1164 2011-09-09  David S. Miller  <davem@davemloft.net>
1165
1166         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1167         (Output_fill_debug_line::do_write): Likewise.
1168
1169 2011-08-29  Cary Coutant  <ccoutant@google.com>
1170
1171         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1172         casts to match formatting specs.
1173         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1174
1175 2011-08-26  Cary Coutant  <ccoutant@google.com>
1176
1177         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1178         remaining hole size when allocating.
1179         (Layout::make_output_section): Set fill methods for debug sections.
1180         * layout.h (Free_list::Free_list_node): Move from private to
1181         public.
1182         (Free_list::set_min_hole_size): New function.
1183         (Free_list::begin, Free_list::end): New functions.
1184         (Free_list::min_hole_): New data member.
1185         * output.cc: Include dwarf.h.
1186         (Output_fill_debug_info::do_minimum_hole_size): New function.
1187         (Output_fill_debug_info::do_write): New function.
1188         (Output_fill_debug_line::do_minimum_hole_size): New function.
1189         (Output_fill_debug_line::do_write): New function.
1190         (Output_section::Output_section): Initialize new data member.
1191         (Output_section::set_final_data_size): Ensure patch space is larger
1192         than minimum hole size.
1193         (Output_section::do_write): Fill holes in debug sections.
1194         * output.h (Output_fill): New class.
1195         (Output_fill_debug_info): New class.
1196         (Output_fill_debug_line): New class.
1197         (Output_section::set_free_space_fill): New function.
1198         (Output_section::free_space_fill_): New data member.
1199         * testsuite/Makefile.am (incremental_test_3): Add
1200         --incremental-patch option.
1201         (incremental_test_4): Likewise.
1202         (incremental_test_5): Likewise.
1203         (incremental_test_6): Likewise.
1204         (incremental_copy_test): Likewise.
1205         (incremental_common_test_1): Likewise.
1206         * testsuite/Makefile.in: Regenerate.
1207
1208 2011-08-26  Nick Clifton  <nickc@redhat.com>
1209
1210         * po/es.po: Updated Spanish translation.
1211
1212 2011-08-01  Cary Coutant  <ccoutant@google.com>
1213
1214         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1215         * gold/testsuite/Makefile.in: Regenerate.
1216         * gold/testsuite/justsyms_exec.c: New source file.
1217         * gold/testsuite/justsyms_lib.c: New source file.
1218
1219 2011-08-01  Cary Coutant  <ccoutant@google.com>
1220
1221         * layout.cc (Layout::set_segment_offsets): Don't realign text
1222         segment if -Ttext was specified.
1223         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1224         file type.
1225         * object.h (Sized_relobj_file::e_type): New function.
1226         (Sized_relobj_file::e_type_): New data member.
1227         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1228         base address for ET_EXEC files.
1229         * target.cc (Target::do_make_elf_object_implementation): Allow
1230         ET_EXEC files with --just-symbols option.
1231
1232 2011-07-28  Cary Coutant  <ccoutant@google.com>
1233
1234         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1235         Add thread_number parameter.
1236         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1237         * workqueue-threads.cc
1238         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1239         current thread if its thread number is greater than desired thread
1240         count.
1241         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1242         Add thread_number parameter.
1243         (Workqueue::should_cancel_thread): Likewise.
1244         (Workqueue::find_runnable_or_wait): Pass thread_number to
1245         should_cancel_thread.
1246         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1247         parameter.
1248
1249 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1250
1251         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1252         only after checking if it cannot be forced local.
1253         * symtab.h (is_externally_visible): Check if the symbol is not forced
1254         local.
1255
1256 2011-07-15  Ian Lance Taylor  <iant@google.com>
1257
1258         * options.h (class General_options): Add --print-output-format.
1259         Move -EL next to -EB, for  better --help output.
1260         * target-select.cc: Include <cstdio>, "options.h", and
1261         "parameters.h".
1262         (Target_selector::do_target_bfd_name): New function.
1263         (print_output_format): New function.
1264         * target-select.h (class Target_selector): Update declarations.
1265         (Target_selector::target_bfd_name): New function.
1266         (print_output_format): Declare.
1267         * main.cc: Include "target-select.h".
1268         (main): Handle --print-output-format.
1269         * gold.cc: Include "target-select.h".
1270         (queue_initial_tasks): Handle --print-output-format when there are
1271         no input files.
1272         * parameters.cc (parameters_force_valid_target): Give a better
1273         error message if -EB/-EL does not match target.
1274         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1275         function.
1276
1277 2011-07-15  Ian Lance Taylor  <iant@google.com>
1278
1279         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1280         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1281         (Output_data_plt_i386::do_write): Write address of .dynamic
1282         section to first entry in .got.plt section.
1283         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1284         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1285         Initialize layout_.
1286         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1287         section to first entry in .got.plt section.
1288         * layout.h (Layout::dynamic_section): New function.
1289
1290 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1291
1292         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1293         to claim_file call.
1294         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1295         input_section_position_, and input_section_glob_.
1296         (read_layout_from_file): Call function section_ordering_specified.
1297         * layout.h (is_section_ordering_specified): New function.
1298         (section_ordering_specified): New function.
1299         (section_ordering_specified_): New boolean member.
1300         * main.cc(main): Call load_plugins after layout object is defined.
1301         * output.cc (Output_section::add_input_section): Use
1302         function section_ordering_specified to check if section ordering is
1303         needed.
1304         * output.cc (Output_section::add_relaxed_input_section): Use
1305         function section_ordering_specified to check if section ordering is
1306         needed.
1307         (Output_section::update_section_layout): New function.
1308         (Output_section::sort_attached_input_sections): Check if input section
1309         must be reordered.
1310         * output.h (Output_section::update_section_layout): New function.
1311         * plugin.cc (get_section_count): New function.
1312         (get_section_type): New function.
1313         (get_section_name): New function.
1314         (get_section_contents): New function.
1315         (update_section_order): New function.
1316         (allow_section_ordering): New function.
1317         (Plugin::load): Add the new interfaces to the transfer vector.
1318         (Plugin_manager::load_plugins): New parameter.
1319         (Plugin_manager::all_symbols_read): New parameter.
1320         (Plugin_manager::claim_file): New parameter. Save the elf object for
1321         unclaimed objects.
1322         (Plugin_manager::get_elf_object): New function.
1323         (Plugin_manager::get_view): Change to directly use the bool to check
1324         if get_view is called from claim_file_hook.
1325         * plugin.h (input_objects): New function
1326         (Plugin__manager::load_plugins): New parameter.
1327         (Plugin_manager::claim_file): New parameter.
1328         (Plugin_manager::get_elf_object): New function.
1329         (Plugin_manager::in_claim_file_handler): New function.
1330         (Plugin_manager::in_claim_file_handler_): New member.
1331         (layout): New function.
1332         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1333         handler with an extra parameter. Make the elf object before calling
1334         claim_file handler.
1335         * testsuite/plugin_test.c (get_section_count): New function pointer.
1336         (get_section_type): New function pointer.
1337         (get_section_name): New function pointer.
1338         (get_section_contents): New function pointer.
1339         (update_section_order): New function pointer.
1340         (allow_section_ordering): New function pointer.
1341         (onload): Check if the new interfaces exist.
1342
1343 2011-07-13  Ian Lance Taylor  <iant@google.com>
1344
1345         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1346         relro section.
1347         * x86_64.cc (Target_x86_64::got_section): Likewise.
1348         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1349         (relro_now_test_SOURCES): New variable.
1350         (relro_now_test_DEPENDENCIES): New variable.
1351         (relro_now_test_LDFLAGS): New variable.
1352         (relro_now_test_LDADD): New variable.
1353         (relro_now_test.so): New target.
1354         * testsuite/Makefile.in: Rebuild.
1355
1356 2011-07-12  Ian Lance Taylor  <iant@google.com>
1357
1358         PR gold/12980
1359         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1360         GLOB_DAT relocation rather than a RELATIVE relocation for a
1361         protected symbol when creating a shared library.
1362         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1363         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1364         * testsuite/protected_main_1.cc (main): Test that protected
1365         function has same address.
1366
1367 2011-07-11  Ian Lance Taylor  <iant@google.com>
1368
1369         PR gold/12979
1370         * options.h (class General_options): Add -Bgroup.
1371         * options.cc (General_options::finalize): If -Bgroup is set,
1372         default to --unresolved-symbols=report-all.
1373         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1374         * target-reloc.h (issue_undefined_symbol_error): Handle
1375         --unresolved-symbols=report-all.
1376
1377 2011-07-08  Ian Lance Taylor  <iant@google.com>
1378
1379         PR gold/11985
1380         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1381         if linker script discards key sections.
1382         (Layout::create_dynamic_symtab): Likewise.
1383         (Layout::assign_local_dynsym_offsets): Likewise.
1384         (Layout::sized_create_version_sections): Likewise.
1385         (Layout::create_interp): Likewise.
1386         (Layout::finish_dynamic_section): Likewise.
1387         (Layout::set_dynamic_symbol_size): Likewise.
1388
1389 2011-07-08  Ian Lance Taylor  <iant@google.com>
1390
1391         PR gold/12386
1392         * options.h (class General_options): Add --unresolved-symbols.
1393         * target-reloc.h (issue_undefined_symbol_error): Check
1394         --unresolved-symbols.  Add comments.
1395
1396 2011-07-08  Ian Lance Taylor  <iant@google.com>
1397
1398         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1399         expression more complex.
1400
1401 2011-07-08  Ian Lance Taylor  <iant@google.com>
1402
1403         PR gold/11317
1404         * target-reloc.h (issue_undefined_symbol_error): New inline
1405         function, broken out of relocate_section.
1406         (relocate_section): Call issue_undefined_symbol_error.
1407         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1408         there is no TLS segment if we are about to issue an undefined
1409         symbol error.
1410         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1411
1412 2011-07-08  Ian Lance Taylor  <iant@google.com>
1413
1414         PR gold/12279
1415         * resolve.cc (Symbol_table::should_override): Add fromtype
1416         parameter.  Change all callers.  Give error when linking together
1417         TLS and non-TLS symbol.
1418         (Symbol_table::should_override_with_special): Add fromtype
1419         parameter.  Change all callers.
1420         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1421         there is no TLS segment if we have reported some errors.
1422         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1423
1424 2011-07-08  Ian Lance Taylor  <iant@google.com>
1425
1426         PR gold/12372
1427         * target.h (Target::plt_address_for_global): New function.
1428         (Target::plt_address_for_local): New function.
1429         (Target::plt_section_for_global): Remove.
1430         (Target::plt_section_for_local): Remove.
1431         (Target::do_plt_address_for_global): New virtual function.
1432         (Target::do_plt_address_for_local): New virtual function.
1433         (Target::do_plt_section_for_global): Remove.
1434         (Target::do_plt_section_for_local): Remove.
1435         (Target::register_global_plt_entry): Add Symbol_table and Layout
1436         parameters.
1437         * output.cc (Output_data_got::Got_entry::write): Use
1438         plt_address_for_global and plt_address_for_local.
1439         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1440         address of output section.
1441         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1442         got_irelative_, and irelative_count_ fields.  Update
1443         declarations.
1444         (Output_data_plt_i386::has_irelative_section): New function.
1445         (Output_data_plt_i386::entry_count): Add irelative_count_.
1446         (Output_data_plt_i386::set_final_data_size): Likewise.
1447         (class Target_i386): Add got_irelative_ and rel_irelative_
1448         fields.  Update declarations.
1449         (Target_i386::Target_i386): Initialize new fields.
1450         (Target_i386::do_plt_address_for_global): New function replacing
1451         do_plt_section_for_global.
1452         (Target_i386::do_plt_address_for_local): New function replacing
1453         do_plt_section_for_local.
1454         (Target_i386::got_section): Create got_irelative_.
1455         (Target_i386::rel_irelative_section): New function.
1456         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1457         fields.  Don't define __rel_iplt_{start,end}.
1458         (Output_data_plt_i386::add_entry): Add symtab and layout
1459         parameters.  Change all callers.  Use different PLT and GOT for
1460         IFUNC symbols.
1461         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1462         layout parameters.  Change all callers.  Use different PLT and
1463         GOT.
1464         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1465         (Output_data_plt_i386::rel_irelative): New function.
1466         (Output_data_plt_i386::address_for_global): New function.
1467         (Output_data_plt_i386::address_for_local): New function.
1468         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1469         IRELATIVE GOT when changing IFUNC GOT entries.
1470         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1471         reloc.
1472         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1473         if we didn't create an IRELATIVE GOT.
1474         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1475         plt_address_for_local.
1476         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1477         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1478         got_irelative_, and irelative_count_ fields.  Update
1479         declarations.
1480         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1481         Initialize new fields.  Remove symtab parameter.  Change all
1482         callers.
1483         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1484         irelative_count_.
1485         (Output_data_plt_x86_64::has_irelative_section): New function.
1486         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1487         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1488         fields.  Update declarations.
1489         (Target_x86_64::Target_x86_64): Initialize new fields.
1490         (Target_x86_64::do_plt_address_for_global): New function replacing
1491         do_plt_section_for_global.
1492         (Target_x86_64::do_plt_address_for_local): New function replacing
1493         do_plt_section_for_local.
1494         (Target_x86_64::got_section): Create got_irelative_.
1495         (Target_x86_64::rela_irelative_section): New function.
1496         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1497         all callers.  Don't create __rel_iplt_{start,end}.
1498         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1499         parameters.  Change all callers.  Use different PLT and GOT for
1500         IFUNC symbols.
1501         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1502         layout parameters.  Change all callers.  Use different PLT and
1503         GOT.
1504         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1505         parameters.  Change all callers.  Use different PLT and GOT for
1506         IFUNC symbols.
1507         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1508         (Output_data_plt_x86_64::rela_irelative): New function.
1509         (Output_data_plt_x86_64::address_for_global): New function.
1510         (Output_data_plt_x86_64::address_for_local): New function.
1511         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1512         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1513         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1514         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1515         parameters.
1516         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1517         reloc.
1518         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1519         symbols if we didn't create an IRELATIVE GOT.
1520         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1521         plt_address_for_local.
1522         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1523         * testsuite/ifuncvar1.c: New test file.
1524         * testsuite/ifuncvar2.c: New test file.
1525         * testsuite/ifuncvar3.c: New test file.
1526         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1527         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1528         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1529         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1530         * testsuite/Makefile.in: Rebuild.
1531
1532 2011-07-07  Cary Coutant  <ccoutant@google.com>
1533
1534         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1535         (two_file_test_1_ndebug.o): Likewise.
1536         (two_file_test_1b_ndebug.o): Likewise.
1537         (two_file_test_2_ndebug.o): Likewise.
1538         (two_file_test_main_ndebug.o): Likewise.
1539         (incremental_test_2): Link with no-debug versions.
1540
1541 2011-07-06  Cary Coutant  <ccoutant@google.com>
1542
1543         * gold/incremental.cc
1544         (Output_section_incremental_inputs::write_info_blocks): Check for
1545         hidden and internal symbols.
1546
1547 2011-07-06  Cary Coutant  <ccoutant@google.com>
1548
1549         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1550         Check disposition for startup file.
1551         (Incremental_inputs::report_command_line): Ignore
1552         --incremental-startup-unchanged option.
1553         * options.cc (General_options::parse_incremental_startup_unchanged):
1554         New function.
1555         (General_options::General_options): Initialize new data member.
1556         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1557         (General_options): Add --incremental-startup-unchanged option.
1558         (General_options::incremental_startup_disposition): New function.
1559         (General_options::incremental_startup_disposition_): New data member.
1560
1561 2011-07-06  Cary Coutant  <ccoutant@google.com>
1562
1563         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1564         input file index to Script_info ctor.
1565         (Sized_incremental_binary::do_file_has_changed): Find the
1566         command-line argument for files named in scripts.
1567         * incremental.h (Script_info::Script_info): New ctor
1568         with input file index.
1569         (Script_info::input_file_index): New function.
1570         (Script_info::input_file_index_): New data member.
1571         (Incremental_binary::get_library): Add const.
1572         (Incremental_binary::get_script_info): Add const.
1573         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1574         * testsuite/Makefile.am (incremental_test_5): New test case.
1575         (incremental_test_6): New test case.
1576         * testsuite/Makefile.in: Regenerate.
1577
1578 2011-07-06  Cary Coutant  <ccoutant@google.com>
1579
1580         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1581         debug output when command lines differ.
1582
1583 2011-07-06  Cary Coutant  <ccoutant@google.com>
1584
1585         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1586         --incremental-patch option.
1587         * layout.cc (Free_list::allocate): Extend allocation beyond original
1588         end if enabled.
1589         (Layout::make_output_section): Mark sections that should get
1590         patch space.
1591         * options.cc (parse_percent): New function.
1592         * options.h (parse_percent): New function.
1593         (DEFINE_percent): New macro.
1594         (General_options): Add --incremental-patch option.
1595         * output.cc (Output_section::Output_section): Initialize new data
1596         members.
1597         (Output_section::add_input_section): Print section name when out
1598         of patch space.
1599         (Output_section::add_output_section_data): Likewise.
1600         (Output_section::set_final_data_size): Add patch space when
1601         doing --incremental-full.
1602         (Output_section::do_reset_address_and_file_offset): Remove patch
1603         space.
1604         (Output_segment::set_section_list_addresses): Print debug output
1605         only if --incremental-update.
1606         * output.h (Output_section::set_is_patch_space_allowed): New function.
1607         (Output_section::is_patch_space_allowed_): New data member.
1608         (Output_section::patch_space_): New data member.
1609         * parameters.cc (Parameters::incremental_full): New function.
1610         * parameters.h (Parameters::incremental_full): New function
1611         * testsuite/Makefile.am (incremental_test_2): Add test for
1612         --incremental-patch option.
1613         * testsuite/Makefile.in: Regenerate.
1614         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1615         (t18): Remove function body.
1616
1617 2011-07-05  Doug Kwan  <dougkwan@google.com>
1618
1619         PR gold/12771
1620         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1621         Arm_Address type for relocation result.
1622         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1623         overflow check.
1624         (Arm_relocate_functions::abs32): Use unaligned access.
1625         (Arm_relocate_functions::rel32): Ditto.
1626         (Arm_relocate_functions::prel31): Ditto.
1627         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1628         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1629         static data relocations.
1630         * testsuite/Makefile.in: Regnerate.
1631         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1632
1633 2011-07-05  Ian Lance Taylor  <iant@google.com>
1634
1635         PR gold/12392
1636         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1637         symbols if necessary.
1638         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1639
1640 2011-07-05  Ian Lance Taylor  <iant@google.com>
1641
1642         PR gold/12952
1643         * resolve.cc (Symbol::override_base_with_special): Simply override
1644         version with special symbol version, ignoring previous version.
1645
1646 2011-07-05  Ian Lance Taylor  <iant@google.com>
1647
1648         * object.cc (Sized_relobj_file::include_section_group): Add
1649         information to comment about signature location.
1650
1651 2011-07-02  Ian Lance Taylor  <iant@google.com>
1652
1653         PR gold/12957
1654         * options.h (class General_options): Add -f and -F.
1655         * options.cc (General_options::finalize): Fatal error if -f/-F
1656         are used without -shared.
1657         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1658
1659 2011-07-02  Ian Lance Taylor  <iant@google.com>
1660
1661         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1662
1663 2011-07-01  Ian Lance Taylor  <iant@google.com>
1664
1665         PR gold/12525
1666         PR gold/12952
1667         * resolve.cc (Symbol::override_base_with_special): Don't override
1668         the version if the overriding symbol has a different name.
1669         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1670         all callers.  If we give an error about an undefined version,
1671         define the base version if necessary.
1672         * dynobj.h (class Versions): Update declaration.
1673         * testsuite/weak_alias_test_5.cc: New file.
1674         * testsuite/weak_alias_test.script: New file.
1675         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1676         and versioned_alias have the right value, and call t2.
1677         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1678         weak_alias_test_5.so.
1679         (weak_alias_test_LDADD): Likewise.
1680         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1681         * testsuite/Makefile.in: Rebuild.
1682
1683 2011-07-01  Ian Lance Taylor  <iant@google.com>
1684
1685         PR gold/12525
1686         * options.h (class General_options): Support -z notext.
1687         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1688         -Wl,-z,notext.
1689         (two_file_shared_nonpic.so): Likewise.
1690         (two_file_shared_mixed.so): Likewise.
1691         (two_file_shared_mixed_1.so): Likewise.
1692         (weak_undef_lib_nonpic.so): Likewise.
1693         (alt/weak_undef_lib_nonpic.so): Likewise.
1694         (tls_test_shared_nonpic.so): Likewise.
1695         * testsuite/Makefile.in: Rebuild.
1696
1697 2011-07-01  Ian Lance Taylor  <iant@google.com>
1698
1699         PR gold/12525
1700         * configure.ac: Test whether static linking works, setting
1701         the automake conditional HAVE_STATIC.
1702         * testsuite/Makefile.am: Disable tests using -static if
1703         HAVE_STATIC is not true.
1704         * configure, testsuite/Makefile.in: Rebuild.
1705
1706 2011-07-01  Ian Lance Taylor  <iant@google.com>
1707
1708         PR gold/12525
1709         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1710         Assert if we see DW_EH_PE_indirect.
1711         * target.h (Target::ehframe_datarel_base): New function.
1712         (Target::do_ehframe_datarel_base): New target function.
1713         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1714         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1715         function.
1716
1717 2011-07-01  Ian Lance Taylor  <iant@google.com>
1718
1719         PR gold/12571
1720         * options.h (class General_options): Add
1721         --ld-generated-unwind-info.
1722         * ehframe.cc (Fde::write): Add address parameter.  Change all
1723         callers.  If associated with PLT, fill in address and size.
1724         (Cie::set_output_offset): Only add merge mapping if there is an
1725         object.
1726         (Cie::write): Add address parameter.  Change all callers.
1727         (Eh_frame::add_ehframe_for_plt): New function.
1728         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1729         input_offset_ fields into union u_, with new plt field.
1730         (Fde::Fde): Adjust for new union field.
1731         (Fde::Fde) [Output_data version]: New constructor.
1732         (Fde::add_mapping): Only add merge mapping if there is an object.
1733         (class Cie): Update declarations.
1734         (class Eh_frame): Declare add_ehframe_for_plt.
1735         * layout.cc (Layout::layout_eh_frame): Break out code into
1736         make_eh_frame_section, and call it.
1737         (Layout::make_eh_frame_section): New function.
1738         (Layout::add_eh_frame_for_plt): New function.
1739         * layout.h (class Layout): Update declarations.
1740         * merge.cc (Merge_map::add_mapping): Add assertion.
1741         * i386.cc: Include "dwarf.h".
1742         (class Output_data_plt_i386): Make first_plt_entry,
1743         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1744         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1745         and plt_eh_frame_fde.
1746         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1747         boundary.  Call add_eh_frame_for_plt if appropriate.
1748         * x86_64.cc: Include "dwarf.h".
1749         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1750         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1751         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1752         and plt_eh_frame_fde.
1753         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1754         appropriate.
1755
1756 2011-06-29  Ian Lance Taylor  <iant@google.com>
1757
1758         PR gold/12629
1759         * object.cc (Sized_relobj_file::layout_section): Change shdr
1760         parameter to be const.
1761         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1762         out of do_layout.
1763         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1764         appropriate.  Call layout_eh_frame_section.
1765         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1766         sections.
1767         * object.h (class Sized_relobj_file): Update declarations.
1768
1769 2011-06-29  Ian Lance Taylor  <iant@google.com>
1770
1771         PR gold/12652
1772         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1773         modifier.
1774         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1775
1776 2011-06-29  Ian Lance Taylor  <iant@google.com>
1777
1778         PR gold/12675
1779         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1780         SHT_X86_64_UNWIND.
1781         * layout.cc (Layout::layout_eh_frame): Likewise.
1782
1783 2011-06-29  Ian Lance Taylor  <iant@google.com>
1784
1785         PR gold/12695
1786         * layout.cc (Layout::symtab_section_shndx): New function.
1787         * layout.h (class Layout): Declare symtab_section_shndx.
1788         * output.cc (Output_section::write_header): Call it.
1789
1790 2011-06-29  Ian Lance Taylor  <iant@google.com>
1791
1792         PR gold/12818
1793         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1794         symbols which are not used in a relocation.
1795
1796 2011-06-28  Ian Lance Taylor  <iant@google.com>
1797
1798         PR gold/12898
1799         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1800         script create indistinguishable segments.
1801         (Layout::set_segment_offsets): Use stable_sort when sorting
1802         segments.  Pass this to Compare_segments constructor.
1803         * layout.h (class Layout): Make segment_precedes non-static.
1804         (class Compare_segments): Change from struct to class.  Add
1805         layout_ field.  Add constructor.
1806         * script-sections.cc
1807         (Script_sections::attach_sections_using_phdrs_clause): Rename
1808         local orphan to is_orphan.  Don't report failure to put empty
1809         section in segment.  On attachment failure, report name of
1810         section, and attach to first PT_LOAD segment.
1811
1812 2011-06-28  Ian Lance Taylor  <iant@google.com>
1813
1814         PR gold/12934
1815         * target-select.cc (Target_selector::Target_selector): Add
1816         emulation parameter.  Change all callers.
1817         (select_target_by_bfd_name): Rename from select_target_by_name.
1818         Change all callers.
1819         (select_target_by_emulation): New function.
1820         (supported_emulation_names): New function.
1821         * target-select.h (class Target_selector): Add emulation_ field.
1822         Update declarations.
1823         (Target_selector::recognize_by_bfd_name): Rename from
1824         recognize_by_name.  Change all callers.
1825         (Target_selector::supported_bfd_names): Rename from
1826         supported_names.  Change all callers.
1827         (Target_selector::recognize_by_emulation): New function.
1828         (Target_selector::supported_emulations): New function.
1829         (Target_selector::emulation): New function.
1830         (Target_selector::do_recognize_by_bfd_name): Rename from
1831         do_recognize_by_name.  Change all callers.
1832         (Target_selector::do_supported_bfd_names): Rename from
1833         do_supported_names.  Change all callers.
1834         (Target_selector::do_recognize_by_emulation): New function.
1835         (Target_selector::do_supported_emulations): New function.
1836         (select_target_by_bfd_name): Change name in declaration.
1837         (select_target_by_emulation): Declare.
1838         (supported_emulation_names): Declare.
1839         * parameters.cc (parameters_force_valid_target): Try to find
1840         target based on emulation from -m option.
1841         * options.h (class General_options): Change doc string for -m.
1842         * options.cc (help): Print emulations.
1843         (General_options::parse_V): Likewise.
1844         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1845         Add emulation parameter.  Change all callers.
1846
1847 2011-06-28  Ian Lance Taylor  <iant@google.com>
1848
1849         * target.h (class Target): Add osabi_ field.
1850         (Target::osabi): New function.
1851         (Target::set_osabi): New function.
1852         (Target::Target): Initialize osabi_.
1853         (Target::do_adjust_elf_header): Make pure virtual.
1854         (Sized_target::do_adjust_elf_header): Declare.
1855         * target.cc (Sized_target::do_adjust_elf_header): New function.
1856         (class Sized_target): Instantiate all versions.
1857         * freebsd.h (class Target_freebsd): Remove.
1858         (Target_selector_freebsd::do_recognize): Call set_osabi on
1859         Target.
1860         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1861         (Target_selector_freebsd::set_osabi): Remove.
1862         * i386.cc (class Target_i386): Inherit from Sized_target rather
1863         than Target_freebsd.
1864         * x86_64.cc (class Target_x86_64): Likewise.
1865
1866 2011-06-28  Ian Lance Taylor  <iant@google.com>
1867
1868         * target.h (Target::can_check_for_function_pointers): Rewrite.
1869         Make non-virtual.
1870         (Target::can_icf_inline_merge_sections): Likewise.
1871         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1872         (Target::Target_info): Add can_icf_inline_merge_sections field.
1873         (Target::do_can_check_for_function_pointers): New virtual
1874         function.
1875         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1876         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1877         from can_check_for_function_pointers, move in file.
1878         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1879         section_may_have_icf_unsafe_poineters, move in file.
1880         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1881         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1882         Rename from can_check_for_function_pointers, move in file.
1883         (Target_i386::can_icf_inline_merge_sections): Remove.
1884         (Target_i386::i386_info): Initialize
1885         can_icf_inline_merge_sections.
1886         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1887         Initialize can_icf_inline_merge_sections.
1888         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1889         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1890         Rename from can_check_for_function_pointers, move in file.
1891         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1892         (Target_x86_64::x86_64_info): Initialize
1893         can_icf_inline_merge_sections.
1894         * testsuite/testfile.cc (Target_test::test_target_info):
1895         Likewise.
1896         * icf.cc (get_section_contents): Correct formatting.
1897
1898 2011-06-27  Ian Lance Taylor  <iant@google.com>
1899
1900         * symtab.cc (Symbol::versioned_name): New function.
1901         (Symbol_table::add_to_final_symtab): Use versioned_name when
1902         appropriate.
1903         (Symbol_table::sized_write_symbol): Likewise.
1904         * symtab.h (class Symbol): Declare versioned_name.
1905         * stringpool.h (class Stringpool_template): Add variant of add
1906         which takes a std::basic_string.
1907         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1908         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1909         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1910         (ver_test_12.o): New target.
1911         * testsuite/Makefile.in: Rebuild.
1912
1913 2011-06-27  Doug Kwan  <dougkwan@google.com>
1914
1915         * arm.cc (Arm_relocate_functions::thm_jump8,
1916         Arm_relocate_functions::thm_jump11): Use a wider signed
1917         type to compute offset.
1918         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1919         arm_thm_jump8.
1920         * testsuite/Makefile.in: Regenerate.
1921         * testsuite/arm_branch_in_range.sh: Check test results of
1922         arm_thm_jump11 and arm_thm_jump8.
1923         * testsuite/arm_thm_jump11.s: New test source file.
1924         * testsuite/arm_thm_jump11.t: New linker script.
1925         * testsuite/arm_thm_jump8.s: New test source file.
1926         * testsuite/arm_thm_jump8.t: New linker script.
1927
1928 2011-06-24  Ian Lance Taylor  <iant@google.com>
1929
1930         * layout.cc: Include "object.h".
1931         (ctors_sections_in_init_array): New static variable.
1932         (Layout::is_ctors_in_init_array): New function.
1933         (Layout::layout): Add entry to ctors_sections_in_init_array if
1934         appropriate.
1935         * layout.h (class Layout): Declare is_ctors_in_init_array.
1936         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1937         is_ctors_reverse_view is set.
1938         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1939         all callers.  Set is_ctors_reverse_view field of View_size.
1940         (Sized_relobj_file::reverse_words): New function.
1941         * object.h (Sized_relobj_file::View_size): Add
1942         is_ctors_reverse_view field.
1943         (class Sized_relobj_file): Update declarations.
1944         * testsuite/initpri3.c: New test.
1945         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1946         initpri3b.
1947         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1948         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1949         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1950         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1951         * testsuite/Makefile.in: Rebuild.
1952
1953 2011-06-24  Cary Coutant  <ccoutant@google.com>
1954
1955         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1956         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1957         (debug_msg_cdebug.err): New targets.
1958         * testsuite/Makefile.in: Regenerate.
1959         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1960         Fix checks for link with shared library.
1961
1962 2011-06-24  Doug Kwan  <dougkwan@google.com>
1963
1964         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1965         skip empty text sections.
1966         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1967
1968 2011-06-22  Ian Lance Taylor  <iant@google.com>
1969
1970         PR gold/12910
1971         * options.h (class General_options): Add --ctors-in-init-array.
1972         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1973         friends as SHT_PROGBITS for merging sections.
1974         (Layout::layout): Remove special handling of .init_array and
1975         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1976         and .dtors if ctors_in_init_array.
1977         (Layout::make_output_section): Force correct section types for
1978         .init_array and friends.  Don't sort if doing relocatable link,
1979         Don't sort .ctors and .dtors if ctors_in_init_array.
1980         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1981         (Layout::output_section_name): Add relobj parameter.  Change all
1982         callers.  Handle .ctors. and .dtors. in code rather than table.
1983         Handle .ctors and .dtors if ctors_in_init_array.
1984         (Layout::match_file_name): New function, moved from output.cc.
1985         * layout.h (class Layout): Update declarations.
1986         * output.cc: Include "layout.h".
1987         (Input_section_sort_entry::get_priority): New function.
1988         (Input_section_sort_entry::match_file_name): Just call
1989         Layout::match_file_name.
1990         (Output_section::Input_section_sort_init_fini_compare::operator()):
1991         Handle .ctors and .dtors.  Sort by explicit priority rather than
1992         by name.
1993         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1994         * testsuite/initpri2.c: New test.
1995         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1996         (check_PROGRAMS): Add initpri2.
1997         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1998         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1999         * configure, testsuite/Makefile.in: Rebuild.
2000
2001 2011-06-19  Ian Lance Taylor  <iant@google.com>
2002
2003         PR gold/12880
2004         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2005         .interp section to a PT_INTERP segment even if we have seen a
2006         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2007         clause in a linker script.
2008         (Layout::finalize): Don't create a .interp section if we've
2009         already create a PT_INTERP segment.
2010         (Layout::create_interp): Always call choose_output_section (revert
2011         patch of 2011-06-17).  Don't create PT_INTERP segment.
2012         * script-sections.cc
2013         (Script_sections::create_note_and_tls_segments): Add a .interp
2014         section to a PT_INTERP segment even if we have seen a
2015         --dynamic-linker option.
2016
2017 2011-06-18  Ian Lance Taylor  <iant@google.com>
2018
2019         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2020         merely because a non-PT_LOAD segment has a dynamic reloc.
2021
2022 2011-06-18  Ian Lance Taylor  <iant@google.com>
2023
2024         * layout.cc (Layout::finish_dynamic_section): Don't create
2025         DT_FLAGS entry if not needed.
2026
2027 2011-06-18  Ian Lance Taylor  <iant@google.com>
2028
2029         PR gold/12745
2030         * layout.cc (Layout::layout_eh_frame): Correct handling of
2031         writable .eh_frame section.
2032
2033 2011-06-17  Ian Lance Taylor  <iant@google.com>
2034
2035         PR gold/12893
2036         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2037         symbol is redefined with the exact same object and value.
2038
2039 2011-06-17  Ian Lance Taylor  <iant@google.com>
2040
2041         PR gold/12880
2042         * layout.h (class Layout): Add interp_segment_ field.
2043         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2044         (Layout::attach_allocated_section_to_segment): If making shared
2045         library, put .interp section in PT_INTERP segment.
2046         (Layout::finalize): Also call create_interp if -dynamic-linker
2047         option was used.
2048         (Layout::create_interp): Assert that there is no PT_INTERP
2049         segment.  If not using a SECTIONS clause, use make_output_section.
2050         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2051         * script-sections.cc
2052         (Script_sections::create_note_and_tls_segments): If making shared
2053         library, put .interp section in PT_INTERP segment.
2054
2055 2011-06-17  Ian Lance Taylor  <iant@google.com>
2056
2057         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2058         when making a shared library.
2059
2060 2011-06-17  Ian Lance Taylor  <iant@google.com>
2061
2062         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2063         parameter.  Change all callers.  Don't issue warning about PC32
2064         against locally defined symbol.
2065
2066 2011-06-16  Ian Lance Taylor  <iant@google.com>
2067
2068         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2069         occurs in same object.
2070
2071 2011-06-14  Alan Modra  <amodra@gmail.com>
2072
2073         * po/POTFILES.in: Regenerate.
2074
2075 2011-06-09  Ian Lance Taylor  <iant@google.com>
2076
2077         * script-sections.cc
2078         (Orphan_output_section::set_section_addresses): For a relocatable
2079         link set address to 0.
2080
2081 2011-06-09  Cary Coutant  <ccoutant@google.com>
2082
2083         PR gold/12804
2084         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2085         used with --compress-debug-sections.
2086         * gold/object.cc (Sized_relobj_file::do_layout): Report
2087         uncompressed size of compressed input sections.
2088
2089 2011-06-08  Cary Coutant  <ccoutant@google.com>
2090
2091         PR gold/12804
2092         * testsuite/two_file_test_2_v1.cc: Change initialization of
2093         v2 to keep it in .data.
2094
2095 2011-06-07  Cary Coutant  <ccoutant@google.com>
2096
2097         * common.cc (Symbol_table::do_allocate_commons_list): Call
2098         gold_fallback.
2099         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2100         (Errors::fallback): New function.
2101         (gold_fallback): New function.
2102         * errors.h (Errors::fallback): New function.
2103         * gold.cc (gold_exit): Change status parameter to enum; adjust
2104         all callers.
2105         (queue_initial_tasks): Call gold_fallback.
2106         * gold.h: Include cstdlib.
2107         (Exit_status): New enum type.
2108         (gold_exit): Change status parameter to enum.
2109         (gold_fallback): New function.
2110         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2111         (Layout::create_symtab_sections): Likewise.
2112         (Layout::create_shdrs): Likewise.
2113         * main.cc (main): Adjust call to gold_exit.
2114         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2115         (Output_data_got::add_got_entry_pair): Likewise.
2116         (Output_section::add_input_section): Likewise.
2117         (Output_section::add_output_section_data): Likewise.
2118         (Output_segment::set_section_list_addresses): Likewise.
2119         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2120
2121 2011-06-07  Cary Coutant  <ccoutant@google.com>
2122
2123         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2124         for incremental links.
2125         * output.cc (Output_segment::set_section_list_addresses): Remove
2126         FIXME and test for TLS or BSS.
2127
2128 2011-06-07  Cary Coutant  <ccoutant@google.com>
2129
2130         * testsuite/Makefile.am: Add incremental_copy_test,
2131         incremental_common_test_1.
2132         * testsuite/Makefile.in: Regenerate.
2133         * testsuite/common_test_1_v1.c: New source file.
2134         * testsuite/common_test_1_v2.c: New source file.
2135         * testsuite/copy_test_v1.cc: New source file.
2136
2137 2011-06-07  Cary Coutant  <ccoutant@google.com>
2138
2139         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2140         update, allocate common from bss section's free list.
2141         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2142         linker-defined symbols.
2143         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2144         Skip GOT and PLT entries that are no longer referenced.
2145         (Output_section_incremental_inputs::write_info_blocks): Mark
2146         linker-defined symbols.
2147         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2148         * output.cc (Output_section::allocate): New function.
2149         * output.h (Output_section::allocate): New function.
2150         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2151         linker-defined symbols.
2152         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2153         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2154         (Symbol::init_base_output_data): Likewise.
2155         (Symbol::init_base_output_segment): Likewise.
2156         (Symbol::init_base_constant): Likewise.
2157         (Sized_symbol::init_output_data): Likewise.
2158         (Sized_symbol::init_output_segment): Likewise.
2159         (Sized_symbol::init_constant): Likewise.
2160         (Symbol_table::do_define_in_output_data): Likewise.
2161         (Symbol_table::do_define_in_output_segment): Likewise.
2162         (Symbol_table::do_define_as_constant): Likewise.
2163         * symtab.h (Symbol::is_predefined): New function.
2164         (Symbol::init_base_output_data): Add is_predefined parameter.
2165         (Symbol::init_base_output_segment): Likewise.
2166         (Symbol::init_base_constant): Likewise.
2167         (Symbol::is_predefined_): New data member.
2168         (Sized_symbol::init_output_data): Add is_predefined parameter.
2169         (Sized_symbol::init_output_segment): Likewise.
2170         (Sized_symbol::init_constant): Likewise.
2171         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2172
2173 2011-06-07  Cary Coutant  <ccoutant@google.com>
2174
2175         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2176         instead of emit_copy_reloc.
2177         (Copy_relocs::emit_copy_reloc): Refactor.
2178         (Copy_relocs::make_copy_reloc): New function.
2179         (Copy_relocs::add_copy_reloc): Remove.
2180         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2181         section.
2182         (Copy_relocs::make_copy_reloc): New function.
2183         (Copy_relocs::add_copy_reloc): Remove.
2184         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2185         unchanged input files.
2186         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2187         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2188         Reserve BSS space for COPY relocations.
2189         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2190         (Output_section_incremental_inputs::write_info_blocks): Record
2191         whether a symbol is copied from a shared object.
2192         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2193         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2194         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2195         (Incremental_input_entry_reader::get_output_symbol_index): Add
2196         is_copy parameter.
2197         (Incremental_binary::emit_copy_relocs): New function.
2198         (Incremental_binary::do_emit_copy_relocs): New function.
2199         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2200         new data member.
2201         (Sized_incremental_binary::add_copy_reloc): New function.
2202         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2203         (Sized_incremental_binary::Copy_reloc): New struct.
2204         (Sized_incremental_binary::Copy_relocs): New typedef.
2205         (Sized_incremental_binary::copy_relocs_): New data member.
2206         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2207         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2208         * target.h (Sized_target::emit_copy_reloc): New function.
2209         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2210
2211 2011-06-02  Cary Coutant  <ccoutant@google.com>
2212
2213         PR gold/12163
2214         * gold/archive.cc (Archive::Archive): Initialize new data member.
2215         (Archive::include_all_members): Return if archive has already been
2216         included.
2217         * gold/archive.h (Archive::include_all_members_): New data member.
2218
2219 2011-06-02  Nick Clifton  <nickc@redhat.com>
2220
2221         * dynobj.h: Fix spelling mistake in comment.
2222         * output.cc: Likewise.
2223
2224 2011-05-31  Doug Kwan  <dougkwan@google.com>
2225             Asier Llano
2226
2227         PR gold/12826
2228         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2229         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2230         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2231         redundant arm_exidx_test.so.
2232         * testsuite/Makefile.in: Regenerate.
2233         (check_SCRIPTS): Add pr12826.sh
2234         (check_DATA): Add pr12826.stdout
2235         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2236         * testsuite/pr12826.sh: New file.
2237         * testsuite/pr12826_1.s: Ditto.
2238         * testsuite/pr12826_1.s: Ditto.
2239
2240 2011-05-30  Ian Lance Taylor  <iant@google.com>
2241
2242         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2243         sections.
2244
2245 2011-05-29  Ian Lance Taylor  <iant@google.com>
2246
2247         PR gold/12804
2248         * testsuite/Makefile.am: Use different file name for two_file_test
2249         temporary file for each incremental test.
2250         * testsuite/Makefile.in: Rebuild.
2251
2252 2011-05-29  Ian Lance Taylor  <iant@google.com>
2253
2254         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2255         binary input file is empty.
2256
2257 2011-05-27  Ian Lance Taylor  <iant@google.com>
2258
2259         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2260         (ver_test_9.so): Likewise.
2261         * testsuite/Makefile.in: Rebuild.
2262
2263 2011-05-26 Cary Coutant  <ccoutant@google.com>
2264
2265         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2266         * incremental.cc (Incremental_inputs::report_input_section): Fix
2267         comment, indentation.
2268         (Incremental_inputs::report_comdat_group): New function.
2269         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2270         of data for incremental input file entry.
2271         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2272         group count, COMDAT group signatures.
2273         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2274         an unchanged input file.
2275         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2276         Initialize new data member.
2277         (Incremental_object_entry::add_comdat_group): New function.
2278         (Incremental_object_entry::get_comdat_group_count): New function.
2279         (Incremental_object_entry::get_comdat_signature_key): New function.
2280         (Incremental_object_entry::groups_): New data member.
2281         (Incremental_inputs::report_comdat_group): New function.
2282         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2283         data for incremental input file entry.
2284         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2285         (Incremental_input_entry_reader::get_input_section): Adjust size of
2286         data for incremental input file entry.
2287         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2288         (Incremental_input_entry_reader::get_comdat_group_signature): New
2289         function.
2290         * object.cc (Sized_relobj::include_section_group): Report kept
2291         COMDAT groups for incremental links.
2292
2293 2011-05-24  David Meyer  <pdox@google.com>
2294
2295         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2296         with name parameter.  Add found_name parameter.
2297         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2298         * dirsearch.h (class Dirsearch): Update declaration.
2299
2300 2011-05-24  Ian Lance Taylor  <iant@google.com>
2301
2302         * archive.cc (Library_base::should_include_member): Pull in object
2303         from archive if it defines the entry symbol.
2304         * parameters.cc (Parameters::entry): New function.
2305         * parameters.h (class Parameters): Declare entry.
2306         * output.h (class Output_file_header): Remove entry_ field.
2307         * output.cc (Output_file_header::Output_file_header): Remove entry
2308         parameter.  Change all callers.
2309         (Output_file_header::entry): Use parameters->entry.
2310         * gold.cc (queue_middle_tasks): Likewise.
2311         * plugin.cc (Plugin_hook::run): Likewise.
2312
2313 2011-05-24 Cary Coutant  <ccoutant@google.com>
2314
2315         * gold.cc (queue_initial_tasks): Pass incremental base filename
2316         to Output_file::open_base_file; don't print error message.
2317         * incremental-dump.cc (main): Adjust call to
2318         Output_file::open_for_modification.
2319         * incremental-dump.cc (main): Likewise.
2320         * incremental.cc (Incremental_inputs::report_command_line):
2321         Ignore --incremental-base option when comparing command lines.
2322         Ignore parameter when given as separate argument.
2323         * options.h (class General_options): Add --incremental-base.
2324         * output.cc (Output_file::Output_file):
2325         (Output_file::open_base_file): Add base_name and writable parameters;
2326         read base file into new file; print error message here.
2327         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2328         callers.
2329         * output.h (Output_file::open_for_modification): Rename to...
2330         (Output_file::open_base_file): ...this; add base_name and
2331         writable parameters; adjust all callers.
2332         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2333         callers.
2334         * testsuite/Makefile.am (incremental_test_4): Test
2335         --incremental-base.
2336         * testsuite/Makefile.in: Regenerate.
2337
2338 2011-05-24 Cary Coutant  <ccoutant@google.com>
2339
2340         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2341         incremental_test_4.
2342         * testsuite/Makefile.in: Regenerate.
2343         * testsuite/two_file_test_1_v1.cc: New test source file.
2344         * testsuite/two_file_test_1b_v1.cc: New test source file.
2345         * testsuite/two_file_test_2_v1.cc: New test source file.
2346
2347 2011-05-24 Cary Coutant  <ccoutant@google.com>
2348
2349         * dynobj.h (Dynobj::do_dynobj): New function.
2350         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2351         flag and soname for shared objects.
2352         * incremental.cc (Incremental_inputs::report_object): Make
2353         either Incremental_object_entry or Incremental_dynobj_entry; add
2354         soname to string table.
2355         (Incremental_inputs::report_input_section): Add assertion.
2356         (Output_section_incremental_inputs::set_final_data_size): Adjust
2357         type of input file entry for shared libraries; adjust size of
2358         shared library info entry.
2359         (Output_section_incremental_inputs::write_input_files): Write
2360         as_needed flag for shared libraries.
2361         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2362         of input file entry for shared libraries; write soname.
2363         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2364         soname from incremental info.
2365         * incremental.h (enum Incremental_input_flags): Add
2366         INCREMENTAL_INPUT_AS_NEEDED.
2367         (Incremental_input_entry::Incremental_input_entry): Initialize new
2368         data member.
2369         (Incremental_input_entry::set_as_needed): New function.
2370         (Incremental_input_entry::as_needed): New function.
2371         (Incremental_input_entry::do_dynobj_entry): New function.
2372         (Incremental_input_entry::as_needed_): New data member.
2373         (Incremental_object_entry::Incremental_object_entry): Don't check
2374         for shared library.
2375         (Incremental_object_entry::do_type): Likewise.
2376         (class Incremental_dynobj_entry): New class.
2377         (Incremental_input_entry_reader::as_needed): New function.
2378         (Incremental_input_entry_reader::get_soname): New function.
2379         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2380         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2381         size of shared library info entry.
2382         * layout.cc (Layout::finish_dynamic_section): Don't test for
2383         incremental link when adding DT_NEEDED entries.
2384         * object.h (Object::Object): Initialize new data member.
2385         (Object::dynobj): New function.
2386         (Object::set_as_needed): New function.
2387         (Object::as_needed): New function.
2388         (Object::do_dynobj): New function.
2389         (Object::as_needed_): New data member.
2390
2391 2011-05-24 Cary Coutant  <ccoutant@google.com>
2392
2393         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2394         info; adjust display of GOT entries.
2395         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2396         vector of input objects; remove file_status_.
2397         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2398         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2399         got_plt reader; call target hooks to reserve GOT entries.
2400         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2401         of input file info header and GOT info entry.
2402         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2403         relocation info.
2404         (Got_plt_view_info::got_descriptor): Remove.
2405         (Got_plt_view_info::sym_index): New data member.
2406         (Got_plt_view_info::input_index): New data member.
2407         (Local_got_offset_visitor::visit): Write input file index.
2408         (Global_got_offset_visitor::visit): Write 0 for input file index.
2409         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2410         with sym_index and input_index.
2411         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2412         incremental info GOT entry; replace got_descriptor with input_index.
2413         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2414         map from input file index to object.
2415         (Sized_relobj_incr::do_layout): Replace direct data member reference
2416         with accessor function.
2417         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2418         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2419         Adjust size of input file info header.
2420         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2421         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2422         (Incremental_input_entry_reader::get_input_section): Adjust size of
2423         input file info header.
2424         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2425         of incremental info GOT entry.
2426         (Incremental_got_plt_reader::get_got_desc): Remove.
2427         (Incremental_got_plt_reader::get_got_symndx): New function.
2428         (Incremental_got_plt_reader::get_got_input_index): New function.
2429         (Sized_incremental_binary::Sized_incremental_binary): Remove
2430         file_status_; add input_objects_.
2431         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2432         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2433         (Sized_incremental_binary::file_is_unchanged): Remove.
2434         (Sized_incremental_binary::set_input_object): New function.
2435         (Sized_incremental_binary::input_object): New function.
2436         (Sized_incremental_binary::file_status_): Remove.
2437         (Sized_incremental_binary::input_objects_): New data member.
2438         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2439         references.
2440         (Sized_relobj_incr::invalid_address): Move to base class.
2441         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2442         class.
2443         (Sized_relobj_incr::do_output_section_offset): Likewise.
2444         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2445         (Sized_relobj_incr::section_offsets_): Likewise.
2446         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2447         function.
2448         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2449         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2450         with accessor function.
2451         (Sized_relobj_file::do_layout): Likewise.
2452         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2453         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2454         (Sized_relobj_file::compute_final_local_value): Replace refs to
2455         section_offsets_ with accessor function.
2456         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2457         * object.h (Relobj::Relobj): Initialize new data members.
2458         (Relobj::add_dyn_reloc): New function.
2459         (Relobj::first_dyn_reloc): New function.
2460         (Relobj::dyn_reloc_count): New function.
2461         (Relobj::first_dyn_reloc_): New data member.
2462         (Relobj::dyn_reloc_count_): New data member.
2463         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2464         references.
2465         (Sized_relobj::Address): New typedef.
2466         (Sized_relobj::invalid_address): Move here from child class.
2467         (Sized_relobj::Sized_relobj): Initialize new data members.
2468         (Sized_relobj::sized_relobj): New function.
2469         (Sized_relobj::is_output_section_offset_invalid): Move here from
2470         child class.
2471         (Sized_relobj::get_output_section_offset): Likewise.
2472         (Sized_relobj::local_has_got_offset): Likewise.
2473         (Sized_relobj::local_got_offset): Likewise.
2474         (Sized_relobj::set_local_got_offset): Likewise.
2475         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2476         (Sized_relobj::clear_got_offsets): New function.
2477         (Sized_relobj::section_offsets): Move here from child class.
2478         (Sized_relobj::do_output_section_offset): Likewise.
2479         (Sized_relobj::do_set_section_offset): Likewise.
2480         (Sized_relobj::Local_got_offsets): Likewise.
2481         (Sized_relobj::local_got_offsets_): Likewise.
2482         (Sized_relobj::section_offsets_): Likewise.
2483         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2484         references.
2485         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2486         class.
2487         (Sized_relobj_file::sized_relobj): New function
2488         (Sized_relobj_file::local_has_got_offset): Move to base class.
2489         (Sized_relobj_file::local_got_offset): Likewise.
2490         (Sized_relobj_file::set_local_got_offset): Likewise.
2491         (Sized_relobj_file::get_output_section_offset): Likewise.
2492         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2493         (Sized_relobj_file::do_output_section_offset): Likewise.
2494         (Sized_relobj_file::do_set_section_offset): Likewise.
2495         (Sized_relobj_file::Local_got_offsets): Likewise.
2496         (Sized_relobj_file::local_got_offsets_): Likewise.
2497         (Sized_relobj_file::section_offsets_): Likewise.
2498         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2499         (all constructors).
2500         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2501         (Output_reloc::get_symbol_index): Likewise.
2502         (Output_reloc::local_section_offset): Likewise.
2503         (Output_reloc::get_address): Likewise.
2504         (Output_reloc::symbol_value): Likewise.
2505         (Output_data_got::reserve_slot): Move to class definition.
2506         (Output_data_got::reserve_local): New function.
2507         (Output_data_got::reserve_slot_for_global): Remove.
2508         (Output_data_got::reserve_global): New function.
2509         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2510         (all constructors, two instantiations).
2511         (Output_reloc::get_relobj): New function (two instantiations).
2512         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2513         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2514         (Output_data_reloc::add_global): Adjust type of relobj.
2515         (Output_data_reloc::add_global_relative): Likewise.
2516         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2517         (Output_data_reloc::add_local): Likewise.
2518         (Output_data_reloc::add_local_relative): Likewise.
2519         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2520         (Output_data_reloc::add_local_section): Likewise.
2521         (Output_data_reloc::add_output_section): Likewise.
2522         (Output_data_reloc::add_absolute): Likewise.
2523         (Output_data_reloc::add_target_specific): Likewise.
2524         (Output_data_got::reserve_slot): Move definition here.
2525         (Output_data_got::reserve_local): New function.
2526         (Output_data_got::reserve_global): New function.
2527         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2528         section_offsets_ with accessor function.
2529         (Sized_relobj_file::write_sections): Likewise.
2530         (Sized_relobj_file::do_relocate_sections): Likewise.
2531         * target.h (Sized_target::reserve_local_got_entry): New function.
2532         (Sized_target::reserve_global_got_entry): New function.
2533         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2534         (Target_x86_64::reserve_global_got_entry): New function.
2535         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2536
2537 2011-05-23 Cary Coutant  <ccoutant@google.com>
2538
2539         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2540         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2541         bit when checking got_type.
2542         * incremental.cc (Sized_incremental_binary::setup_readers):
2543         Store symbol table and string table locations; initialize bit vector
2544         of file status flags.
2545         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2546         unchanged files.
2547         (Sized_incremental_binary::do_process_got_plt): New function.
2548         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2549         (Output_section_incremental_inputs::set_final_data_size): Record
2550         file index for each input file.
2551         (Output_section_incremental_inputs::write_got_plt): Store file index
2552         instead of input entry offset for each GOT entry.
2553         * incremental.h
2554         (Incremental_input_entry::Incremental_input_entry): Initialize new
2555         data member.
2556         (Incremental_input_entry::set_offset): Store file index.
2557         (Incremental_input_entry::get_file_index): New function.
2558         (Incremental_input_entry::file_index_): New data member.
2559         (Incremental_binary::process_got_plt): New function.
2560         (Incremental_binary::do_process_got_plt): New function.
2561         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2562         data members.
2563         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2564         (Sized_incremental_binary::set_file_is_unchanged): New function.
2565         (Sized_incremental_binary::file_is_unchanged): New function.
2566         (Sized_incremental_binary::do_process_got_plt): New function.
2567         (Sized_incremental_binary::file_status_): New data member.
2568         (Sized_incremental_binary::main_symtab_loc_): New data member.
2569         (Sized_incremental_binary::main_strtab_loc_): New data member.
2570         * output.cc (Output_data_got::Got_entry::write): Add case
2571         RESERVED_CODE.
2572         (Output_data_got::add_global): Call add_got_entry.
2573         (Output_data_got::add_global_plt): Likewise.
2574         (Output_data_got::add_global_with_rel): Likewise.
2575         (Output_data_got::add_global_with_rela): Likewise.
2576         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2577         (Output_data_got::add_global_pair_with_rela): Likewise.
2578         (Output_data_got::add_local): Call add_got_entry.
2579         (Output_data_got::add_local_plt): Likewise.
2580         (Output_data_got::add_local_with_rel): Likewise.
2581         (Output_data_got::add_local_with_rela): Likewise.
2582         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2583         (Output_data_got::add_local_pair_with_rela): Likewise.
2584         (Output_data_got::reserve_slot): New function.
2585         (Output_data_got::reserve_slot_for_global): New function.
2586         (Output_data_got::add_got_entry): New function.
2587         (Output_data_got::add_got_entry_pair): New function.
2588         (Output_section::add_output_section_data): Edit FIXME.
2589         * output.h
2590         (Output_section_data_build::Output_section_data_build): New
2591         constructor with size parameter.
2592         (Output_data_space::Output_data_space): Likewise.
2593         (Output_data_got::Output_data_got): Initialize new data member; new
2594         constructor with size parameter.
2595         (Output_data_got::add_constant): Call add_got_entry.
2596         (Output_data_got::reserve_slot): New function.
2597         (Output_data_got::reserve_slot_for_global): New function.
2598         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2599         (Output_data_got::add_got_entry): New function.
2600         (Output_data_got::add_got_entry_pair): New function.
2601         (Output_data_got::free_list_): New data member.
2602         * target.h (Sized_target::init_got_plt_for_update): New function.
2603         (Sized_target::register_global_plt_entry): New function.
2604         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2605         Initialize new data member; call init; add constructor with PLT count.
2606         (Output_data_plt_x86_64::init): New function.
2607         (Output_data_plt_x86_64::add_relocation): New function.
2608         (Output_data_plt_x86_64::reserve_slot): New function.
2609         (Output_data_plt_x86_64::free_list_): New data member.
2610         (Target_x86_64::init_got_plt_for_update): New function.
2611         (Target_x86_64::register_global_plt_entry): New function.
2612         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2613         incremental updates.
2614         (Output_data_plt_x86_64::add_relocation): New function.
2615         * testsuite/object_unittest.cc (Object_test): Set default options.
2616
2617 2011-05-16  Ian Lance Taylor  <iant@google.com>
2618
2619         * options.h (class General_options): Make -i a synonym for -r.
2620
2621 2011-05-16  Ian Lance Taylor  <iant@google.com>
2622
2623         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2624
2625 2011-05-10 Cary Coutant  <ccoutant@google.com>
2626
2627         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2628         strip_all (-s).
2629
2630 2011-05-06  Ian Lance Taylor  <iant@google.com>
2631
2632         * layout.cc (Layout::layout): If the output section flags change,
2633         update the ordering.
2634
2635 2011-04-25 Cary Coutant  <ccoutant@google.com>
2636
2637         * incremental-dump.cc (dump_incremental_inputs): Print local
2638         symbol info for each input file.
2639         * incremental.cc
2640         (Output_section_incremental_inputs::set_final_data_size): Add local
2641         symbol info to input file entries in incremental info.
2642         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2643         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2644         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2645         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2646         implementation.
2647         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2648         (Sized_incr_relobj::do_relocate): Write the local symbols.
2649         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2650         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2651         Adjust size of input file header.
2652         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2653         (Incremental_inputs_reader::get_local_symbol_count): New function.
2654         (Incremental_inputs_reader::get_input_section): Adjust size of input
2655         file header.
2656         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2657         (Sized_incr_relobj::This): New typedef.
2658         (Sized_incr_relobj::sym_size): New const data member.
2659         (Sized_incr_relobj::Local_symbol): New struct.
2660         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2661         (Sized_incr_relobj::do_local_symbol_offset): New function.
2662         (Sized_incr_relobj::local_symbol_count_): New data member.
2663         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2664         (Sized_incr_relobj::local_symbol_index_): New data member.
2665         (Sized_incr_relobj::local_symbol_offset_): New data member.
2666         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2667         (Sized_incr_relobj::local_symbols_): New data member.
2668         * object.h (Relobj::output_local_symbol_count): New function.
2669         (Relobj::local_symbol_offset): New function.
2670         (Relobj::do_output_local_symbol_count): New function.
2671         (Relobj::do_local_symbol_offset): New function.
2672         (Sized_relobj::do_output_local_symbol_count): New function.
2673         (Sized_relobj::do_local_symbol_offset): New function.
2674
2675 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2676
2677         * descriptors.cc (set_close_on_exec): New function.
2678         (Descriptors::open): Use set_close_on_exec.
2679         * output.cc (S_ISLNK): Define if not defined.
2680
2681 2011-04-22 Cary Coutant  <ccoutant@google.com>
2682
2683         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2684         global symbol map.
2685         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2686         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2687         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2688         relocations.
2689         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2690         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2691         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2692         * incremental.h
2693         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2694         function.
2695         (Incremental_binary::apply_incremental_relocs): New function.
2696         (Incremental_binary::do_apply_incremental_relocs): New function.
2697         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2698         data member.
2699         (Sized_incremental_binary::add_global_symbol): New function.
2700         (Sized_incremental_binary::global_symbol): New function.
2701         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2702         (Sized_incremental_binary::symbol_map_): New data member.
2703         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2704         * target.h (Sized_target::apply_relocation): New function.
2705         * target-reloc.h (apply_relocation): New function.
2706         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2707
2708 2011-04-22  Doug Kwan  <dougkwan@google.com>
2709
2710         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2711         flag of a SHT_ARM_EXIDX section.
2712         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2713         * testsuite/Makefile.in: Regenerate.
2714         * testsuite/arm_exidx_test.s: New file.
2715         * testsuite/arm_exidx_test.sh: Same.
2716
2717 2011-04-20 Cary Coutant  <ccoutant@google.com>
2718
2719         PR gold/12689
2720         * archive.h (Incremental_archive_entry::Archive_member):
2721         Initialize arg_serial_ (second constructor).
2722
2723 2011-04-17  Ian Lance Taylor  <iant@google.com>
2724
2725         * object.cc (Relocate_info::location): Simplify location string.
2726         * errors.cc (Errors::error_at_location): Don't print program
2727         name.
2728         (Errors::warning_at_location): Likewise.
2729         (Errors::undefined_symbol): Likewise.
2730         * testsuite/debug_msg.sh: Update accordingly.
2731
2732 2011-04-14 Cary Coutant  <ccoutant@google.com>
2733
2734         * gold/layout.cc (Layout::symtab_section_offset): New function.
2735         * gold/layout.h (Layout::symtab_section_offset): New function.
2736         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2737
2738 2011-04-12  Ian Lance Taylor  <iant@google.com>
2739
2740         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2741         with MREMAP_MAYMOVE.
2742         * output.h (class Output_file): Add map_is_allocated_ field.
2743         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2744         not available, provide stubs.  If mremap is not available, #define
2745         it to gold_mremap.
2746         (MREMAP_MAYMOVE): Define if not defined.
2747         (Output_file::Output_file): Initialize map_is_allocated_.
2748         (Output_file::resize): Check map_is_allocated_.
2749         (Output_file::map_anonymous): If mmap fails, use malloc.
2750         (Output_file::unmap): Don't do anything for an anonymous map.
2751         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2752         is not available, provide stubs.
2753         (File_read::View::~View): Use free rather than delete[].
2754         (File_read::make_view): Use malloc rather than new[].  If mmap
2755         fails, use malloc.
2756         (File_read::find_or_make_view): Use malloc rather than new[].
2757         * gold.h: Remove HAVE_REMAP code.
2758         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2759         exists.  Rename mremap to gold_mremap.  If mmap is not available
2760         don't do anything.
2761         * configure, config.in: Rebuild.
2762
2763 2011-04-11  Ian Lance Taylor  <iant@google.com>
2764
2765         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2766         initialize local variable v.
2767
2768 2011-04-11  Cary Coutant  <ccoutant@google.com>
2769
2770         * archive.cc (Archive::include_member): Adjust call to
2771         report_object.
2772         (Add_archive_symbols::run): Track argument serial numbers.
2773         (Lib_group::include_member): Likewise.
2774         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2775         * archive.h (Incremental_archive_entry::Archive_member):
2776         Initialize arg_serial_.
2777         (Archive_member::arg_serial_): New data member.
2778         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2779         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2780         incremental link.
2781         (Sized_dynobj::do_for_all_local_got_entries): New function.
2782         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2783         function.
2784         * fileread.cc (get_mtime): New function.
2785         * fileread.h (get_mtime): New function.
2786         * gold.cc (queue_initial_tasks): Check for incremental update.
2787         (process_incremental_input): New function.
2788         (queue_middle_tasks): Don't force valid target for incremental
2789         update.
2790         * incremental-dump.cc (find_input_containing_global): Adjust
2791         size of symbol info entry.
2792         (dump_incremental_inputs): Dump argument serial number and
2793         in_system_directory flag; bias shndx by 1; print symbol names
2794         when dumping per-file symbol lists; use new symbol info readers.
2795         * incremental.cc
2796         (Output_section_incremental_inputs:update_data_size): New function.
2797         (Sized_incremental_binary::setup_readers): Setup input readers
2798         for each input file; build maps for files added from libraries
2799         and scripts.
2800         (Sized_incremental_binary::check_input_args): New function.
2801         (Sized_incremental_binary::do_check_inputs): Build map of argument
2802         serial numbers to input arguments.
2803         (Sized_incremental_binary::do_file_has_changed): Rename
2804         do_file_is_unchanged to this; compare file modification times.
2805         (Sized_incremental_binary::do_init_layout): New function.
2806         (Sized_incremental_binary::do_reserve_layout): New function.
2807         (Sized_incremental_binary::do_get_input_reader): Remove.
2808         (Sized_incremental_binary::get_symtab_view): New function.
2809         (Incremental_checker::can_incrementally_link_output_file): Remove.
2810         (Incremental_inputs::report_command_line): Exclude --debug options.
2811         (Incremental_inputs::report_archive_begin): Add parameter; track
2812         argument serial numbers; don't put input file entry for archive
2813         before archive members.
2814         (Incremental_inputs::report_archive_end): Put input file entry
2815         for archive after archive members.
2816         (Incremental_inputs::report_object): Add parameter; track argument
2817         serial numbers and in_system_directory flag.
2818         (Incremental_inputs::report_script): Add parameter; track argument
2819         serial numbers.
2820         (Output_section_incremental_inputs::set_final_data_size): Adjust
2821         size of symbol info entry; check for forwarding symbols.
2822         (Output_section_incremental_inputs::write_input_files): Write
2823         in_system_directory flag and argument serial number.
2824         (Output_section_incremental_inputs::write_info_blocks): Map section
2825         indices between incremental info and original input file; store
2826         input section index for each symbol.
2827         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2828         change operator() to visit().
2829         (class Global_got_offset_visitor): Likewise.
2830         (class Global_symbol_visitor_got_plt):
2831         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2832         classes.
2833         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2834         (Sized_incr_relobj::do_read_symbols): New function.
2835         (Sized_incr_relobj::do_layout): New function.
2836         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2837         (Sized_incr_relobj::do_add_symbols): New function.
2838         (Sized_incr_relobj::do_should_include_member): New function.
2839         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2840         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2841         (Sized_incr_relobj::do_section_size): New function.
2842         (Sized_incr_relobj::do_section_name): New function.
2843         (Sized_incr_relobj::do_section_contents): New function.
2844         (Sized_incr_relobj::do_section_flags): New function.
2845         (Sized_incr_relobj::do_section_entsize): New function.
2846         (Sized_incr_relobj::do_section_address): New function.
2847         (Sized_incr_relobj::do_section_type): New function.
2848         (Sized_incr_relobj::do_section_link): New function.
2849         (Sized_incr_relobj::do_section_info): New function.
2850         (Sized_incr_relobj::do_section_addralign): New function.
2851         (Sized_incr_relobj::do_initialize_xindex): New function.
2852         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2853         (Sized_incr_relobj::do_read_relocs): New function.
2854         (Sized_incr_relobj::do_gc_process_relocs): New function.
2855         (Sized_incr_relobj::do_scan_relocs): New function.
2856         (Sized_incr_relobj::do_count_local_symbols): New function.
2857         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2858         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2859         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2860         (Sized_incr_relobj::do_relocate): New function.
2861         (Sized_incr_relobj::do_set_section_offset): New function.
2862         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2863         (Sized_incr_dynobj::do_read_symbols): New function.
2864         (Sized_incr_dynobj::do_layout): New function.
2865         (Sized_incr_dynobj::do_add_symbols): New function.
2866         (Sized_incr_dynobj::do_should_include_member): New function.
2867         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2868         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2869         (Sized_incr_dynobj::do_section_size): New function.
2870         (Sized_incr_dynobj::do_section_name): New function.
2871         (Sized_incr_dynobj::do_section_contents): New function.
2872         (Sized_incr_dynobj::do_section_flags): New function.
2873         (Sized_incr_dynobj::do_section_entsize): New function.
2874         (Sized_incr_dynobj::do_section_address): New function.
2875         (Sized_incr_dynobj::do_section_type): New function.
2876         (Sized_incr_dynobj::do_section_link): New function.
2877         (Sized_incr_dynobj::do_section_info): New function.
2878         (Sized_incr_dynobj::do_section_addralign): New function.
2879         (Sized_incr_dynobj::do_initialize_xindex): New function.
2880         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2881         (make_sized_incremental_object): New function.
2882         (Incremental_library::copy_unused_symbols): New function.
2883         (Incremental_library::do_for_all_unused_symbols): New function.
2884         * incremental.h (enum Incremental_input_flags): New type.
2885         (class Incremental_checker): Remove.
2886         (Incremental_input_entry::Incremental_input_entry): Add argument
2887         serial number.
2888         (Incremental_input_entry::arg_serial): New function.
2889         (Incremental_input_entry::set_is_in_system_directory): New function.
2890         (Incremental_input_entry::is_in_system_directory): New function.
2891         (Incremental_input_entry::arg_serial_): New data member.
2892         (Incremental_input_entry::is_in_system_directory_): New data member.
2893         (class Script_info): Move here from script.h.
2894         (Script_info::Script_info): Add filename parameter.
2895         (Script_info::filename): New function.
2896         (Script_info::filename_): New data member.
2897         (Incremental_script_entry::Incremental_script_entry): Add argument
2898         serial number.
2899         (Incremental_object_entry::Incremental_object_entry): Likewise.
2900         (Incremental_object_entry::add_input_section): Build list of input
2901         sections with map to original shndx.
2902         (Incremental_object_entry::get_input_section_index): New function.
2903         (Incremental_object_entry::shndx_): New data member.
2904         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2905         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2906         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2907         serial number.
2908         (Incremental_inputs::report_archive_begin): Likewise.
2909         (Incremental_inputs::report_object): Likewise.
2910         (Incremental_inputs::report_script): Likewise.
2911         (class Incremental_global_symbol_reader): New class.
2912         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2913         and store flags and input file type.
2914         (Incremental_input_entry_reader::arg_serial): New function.
2915         (Incremental_input_entry_reader::type): Extract type from flags.
2916         (Incremental_input_entry_reader::is_in_system_directory): New function.
2917         (Incremental_input_entry_reader::get_input_section_count): Call
2918         accessor function for type.
2919         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2920         function for type; adjust size of global symbol entry.
2921         (Incremental_input_entry_reader::get_global_symbol_count): Call
2922         accessor function for type.
2923         (Incremental_input_entry_reader::get_object_count): Likewise.
2924         (Incremental_input_entry_reader::get_object_offset): Likewise.
2925         (Incremental_input_entry_reader::get_member_count): Likewise.
2926         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2927         (Incremental_input_entry_reader::get_member_offset): Likewise.
2928         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2929         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2930         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2931         (Incremental_input_entry_reader::get_global_symbol_reader): New
2932         function.
2933         (Incremental_input_entry_reader::get_output_symbol_index): New
2934         function.
2935         (Incremental_input_entry_reader::type_): Remove.
2936         (Incremental_input_entry_reader::flags_): New data member.
2937         (Incremental_inputs_reader::input_file_offset): New function.
2938         (Incremental_inputs_reader::input_file_index): New function.
2939         (Incremental_inputs_reader::input_file): Call input_file_offset.
2940         (Incremental_inputs_reader::input_file_at_offset): New function.
2941         (Incremental_relocs_reader::get_r_type): Reformat.
2942         (Incremental_relocs_reader::get_r_shndx): Reformat.
2943         (Incremental_relocs_reader::get_r_offset): Reformat.
2944         (Incremental_relocs_reader::data): New function.
2945         (Incremental_binary::Incremental_binary): Initialize new data members.
2946         (Incremental_binary::check_inputs): Add cmdline parameter.
2947         (Incremental_binary::file_is_unchanged): Remove.
2948         (Input_reader::arg_serial): New function.
2949         (Input_reader::get_unused_symbol_count): New function.
2950         (Input_reader::get_unused_symbol): New function.
2951         (Input_reader::do_arg_serial): New function.
2952         (Input_reader::do_get_unused_symbol_count): New function.
2953         (Input_reader::do_get_unused_symbol): New function.
2954         (Incremental_binary::input_file_count): New function.
2955         (Incremental_binary::get_input_reader): Change signature to use
2956         index instead of filename.
2957         (Incremental_binary::file_has_changed): New function.
2958         (Incremental_binary::get_input_argument): New function.
2959         (Incremental_binary::get_library): New function.
2960         (Incremental_binary::get_script_info): New function.
2961         (Incremental_binary::init_layout): New function.
2962         (Incremental_binary::reserve_layout): New function.
2963         (Incremental_binary::output_file): New function.
2964         (Incremental_binary::do_check_inputs): New function.
2965         (Incremental_binary::do_file_is_unchanged): Remove.
2966         (Incremental_binary::do_file_has_changed): New function.
2967         (Incremental_binary::do_init_layout): New function.
2968         (Incremental_binary::do_reserve_layout): New function.
2969         (Incremental_binary::do_input_file_count): New function.
2970         (Incremental_binary::do_get_input_reader): Change signature.
2971         (Incremental_binary::input_args_map_): New data member.
2972         (Incremental_binary::library_map_): New data member.
2973         (Incremental_binary::script_map_): New data member.
2974         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2975         new data members.
2976         (Sized_incremental_binary::output_section): New function.
2977         (Sized_incremental_binary::inputs_reader): Add const.
2978         (Sized_incremental_binary::symtab_reader): Add const.
2979         (Sized_incremental_binary::relocs_reader): Add const.
2980         (Sized_incremental_binary::got_plt_reader): Add const.
2981         (Sized_incremental_binary::get_symtab_view): New function.
2982         (Sized_incremental_binary::Inputs_reader): New typedef.
2983         (Sized_incremental_binary::Input_entry_reader): New typedef.
2984         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2985         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2986         (Sized_incremental_binary::do_file_has_changed): New function.
2987         (Sized_incremental_binary::do_init_layout): New function.
2988         (Sized_incremental_binary::do_reserve_layout): New function.
2989         (Sized_input_reader::Inputs_reader): Remove.
2990         (Sized_input_reader::Input_entry_reader): Remove.
2991         (Sized_input_reader::do_arg_serial): New function.
2992         (Sized_input_reader::do_get_unused_symbol_count): New function.
2993         (Sized_input_reader::do_get_unused_symbol): New function.
2994         (Sized_incremental_binary::do_input_file_count): New function.
2995         (Sized_incremental_binary::do_get_input_reader): Change signature;
2996         use index instead of filename.
2997         (Sized_incremental_binary::section_map_): New data member.
2998         (Sized_incremental_binary::input_entry_readers_): New data member.
2999         (class Sized_incr_relobj): New class.
3000         (class Sized_incr_dynobj): New class.
3001         (make_sized_incremental_object): New function.
3002         (class Incremental_library): New class.
3003         * layout.cc (Free_list::num_lists): New static data member.
3004         (Free_list::num_nodes): New static data member.
3005         (Free_list::num_removes): New static data member.
3006         (Free_list::num_remove_visits): New static data member.
3007         (Free_list::num_allocates): New static data member.
3008         (Free_list::num_allocate_visits): New static data member.
3009         (Free_list::init): New function.
3010         (Free_list::remove): New function.
3011         (Free_list::allocate): New function.
3012         (Free_list::dump): New function.
3013         (Free_list::print_stats): New function.
3014         (Layout_task_runner::run): Resize output file for incremental updates.
3015         (Layout::Layout): Initialize new data members.
3016         (Layout::set_incremental_base): New function.
3017         (Layout::init_fixed_output_section): New function.
3018         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3019         incremental updates.
3020         (Layout::create_gold_note): Do not create gold note section for
3021         incremental updates.
3022         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3023         for incremental updates.
3024         (Layout::set_section_offsets): For incremental updates, allocate space
3025         from free list.
3026         (Layout::create_symtab_sections): Layout with offsets relative to
3027         start of section; for incremental updates, allocate space from free
3028         list.
3029         (Layout::create_shdrs): For incremental updates, allocate space from
3030         free list.
3031         (Layout::finish_dynamic_section): For incremental updates, do not
3032         check --as-needed (fixed in subsequent patch).
3033         * layout.h (class Free_list): New class.
3034         (Layout::set_incremental_base): New function.
3035         (Layout::incremental_base): New function.
3036         (Layout::init_fixed_output_section): New function.
3037         (Layout::allocate): New function.
3038         (Layout::incremental_base_): New data member.
3039         (Layout::free_list_): New data member.
3040         * main.cc (main): Print Free_list statistics.
3041         * object.cc (Relobj::finalize_incremental_relocs): Add
3042         clear_counts parameter; clear counts only when clear_counts is set.
3043         (Sized_relobj::Sized_relobj): Initialize new base class.
3044         (Sized_relobj::do_layout): Don't report special sections.
3045         (Sized_relobj::do_for_all_local_got_entries): New function.
3046         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3047         symtab_off to all symbol table offsets.
3048         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3049         * object.h (class Got_offset_list): Move to top of file.
3050         (Object::Object): Allow case where input_file == NULL.
3051         (Object::~Object): Likewise.
3052         (Object::input_file): Assert that input_file != NULL.
3053         (Object::lock): Allow case where input_file == NULL.
3054         (Object::unlock): Likewise.
3055         (Object::is_locked): Likewise.
3056         (Object::token): Likewise.
3057         (Object::release): Likewise.
3058         (Object::is_incremental): New function.
3059         (Object::get_mtime): New function.
3060         (Object::for_all_local_got_entries): New function.
3061         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3062         (Object::set_is_in_system_directory): New function.
3063         (Object::is_in_system_directory): New function.
3064         (Object::do_is_incremental): New function.
3065         (Object::do_get_mtime): New function.
3066         (Object::do_for_all_local_got_entries): New function.
3067         (Object::is_in_system_directory_): New data member.
3068         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3069         (class Sized_relobj_base): New class.
3070         (class Sized_relobj): Derive from Sized_relobj_base.
3071         (class Sized_relobj::Symbols): Redeclare from base class.
3072         (class Sized_relobj::local_got_offset_list): Remove.
3073         (class Sized_relobj::Output_sections): Redeclare from base class.
3074         (class Sized_relobj::do_for_all_local_got_entries): New function.
3075         (class Sized_relobj::write_local_symbols): Add offset parameter.
3076         (class Sized_relobj::local_symbol_offset_): Update comment.
3077         (class Sized_relobj::local_dynsym_offset_): Update comment.
3078         * options.cc (Input_arguments::add_file): Remove const.
3079         * options.h (Input_file_argument::Input_file_argument):
3080         Initialize arg_serial_ (all constructors).
3081         (Input_file_argument::set_arg_serial): New function.
3082         (Input_file_argument::arg_serial): New function.
3083         (Input_file_argument::arg_serial_): New data member.
3084         (Input_arguments::Input_arguments): Initialize file_count_.
3085         (Input_arguments::add_file): Remove const.
3086         (Input_arguments::number_of_input_files): New function.
3087         (Input_arguments::file_count_): New data member.
3088         (Command_line::number_of_input_files): Call
3089         Input_arguments::number_of_input_files.
3090         * output.cc (Output_segment_headers::Output_segment_headers):
3091         Set current size.
3092         (Output_section::Input_section::current_data_size): New function.
3093         (Output_section::Output_section): Initialize new data members.
3094         (Output_section::add_input_section): Don't do merge sections for
3095         an incremental link; allocate space from free list for an
3096         incremental update.
3097         (Output_section::add_output_section_data): Allocate space from
3098         free list for an incremental update.
3099         (Output_section::update_data_size): New function.
3100         (Output_section::set_fixed_layout): New function.
3101         (Output_section::reserve): New function.
3102         (Output_segment::set_section_addresses): Remove const.
3103         (Output_segment::set_section_list_addresses): Remove const; allocate
3104         space from free list for an incremental update.
3105         (Output_segment::set_offset): Adjust size of RELRO segment for an
3106         incremental update.
3107         * output.h (Output_data::current_data_size): Move here from
3108         child classes.
3109         (Output_data::pre_finalize_data_size): New function.
3110         (Output_data::update_data_size): New function.
3111         (Output_section_headers::update_data_size): new function.
3112         (Output_section_data_build::current_data_size): Move to Output_data.
3113         (Output_data_strtab::update_data_size): New function.
3114         (Output_section::current_data_size): Move to Output_data.
3115         (Output_section::set_fixed_layout): New function.
3116         (Output_section::has_fixed_layout): New function.
3117         (Output_section::reserve): New function.
3118         (Output_section::update_data_size): New function.
3119         (Output_section::has_fixed_layout_): New data member.
3120         (Output_section::free_list_): New data member.
3121         (Output_segment::set_section_addresses): Remove const.
3122         (Output_segment::set_section_list_addresses): Remove const.
3123         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3124         New function.
3125         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3126         New function.
3127         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3128         parameter when calling Add_symbols constructor; store argument
3129         serial number for members of a lib group.
3130         (Add_symbols::locks): Allow case where token == NULL.
3131         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3132         (Read_member::~Read_member): New function.
3133         (Read_member::is_runnable): New function.
3134         (Read_member::locks): New function.
3135         (Read_member::run): New function.
3136         (Check_script::~Check_script): New function.
3137         (Check_script::is_runnable): New function.
3138         (Check_script::locks): New function.
3139         (Check_script::run): New function.
3140         (Check_library::~Check_library): New function.
3141         (Check_library::is_runnable): New function.
3142         (Check_library::locks): New function.
3143         (Check_library::run): New function.
3144         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3145         (Add_symbols::library_): New data member.
3146         (class Read_member): New class.
3147         (class Check_script): New class.
3148         (class Check_library): New class.
3149         * reloc.cc (Read_relocs::is_runnable): Allow case where
3150         token == NULL.
3151         (Read_relocs::locks): Likewise.
3152         (Scan_relocs::locks): Likewise.
3153         (Relocate_task::locks): Likewise.
3154         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3155         to clear counters.
3156         (Sized_relobj::incremental_relocs_scan): Fix comment.
3157         (Sized_relobj::do_relocate): Pass output file offset to
3158         write_local_symbols.
3159         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3160         from class declaration.
3161         * script.cc (read_input_script): Allocate Script_info; pass
3162         argument serial number to report_script.
3163         * script.h (class Script_info): Move to incremental.h.
3164         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3165         * symtab.h (Symbol_table::add_from_incrobj): New function.
3166         (Symbol_table::set_file_offset): New function.
3167
3168 2011-04-05  Cary Coutant  <ccoutant@google.com>
3169
3170         * incremental-dump.cc (dump_incremental_inputs): Change signature
3171         to take a Sized_incremental_binary; change caller.  Use readers
3172         in Sized_incremental_binary.
3173         * incremental.cc
3174         (Sized_incremental_binary::find_incremental_inputs_sections):
3175         Rename do_find_incremental_inputs_sections to this.
3176         (Sized_incremental_binary::setup_readers): New function.
3177         (Sized_incremental_binary::do_check_inputs): Check
3178         has_incremental_info_ flag; move setup code to setup_readers;
3179         use input readers.
3180         (Sized_incremental_binary::do_file_is_unchanged): New function.
3181         (Sized_incremental_binary::do_get_input_reader): New function.
3182         * incremental.h (class Incremental_binary): Move to end of file.
3183         (Incremental_binary::file_is_unchanged): New function.
3184         (Incremental_binary::do_file_is_unchanged): New function.
3185         (Incremental_binary::Input_reader): New class.
3186         (Incremental_binary::get_input_reader): New function.
3187         (class Sized_incremental_binary): Move to end of file.
3188         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3189         input section reader classes.
3190         (Sized_incremental_binary::has_incremental_info): New function.
3191         (Sized_incremental_binary::inputs_reader): New function.
3192         (Sized_incremental_binary::symtab_reader): New function.
3193         (Sized_incremental_binary::relocs_reader): New function.
3194         (Sized_incremental_binary::got_plt_reader): New function.
3195         (Sized_incremental_binary::do_file_is_unchanged): New function.
3196         (Sized_incremental_binary::Sized_input_reader): New class.
3197         (Sized_incremental_binary::get_input_reader): New function.
3198         (Sized_incremental_binary::find_incremental_inputs_sections):
3199         Rename do_find_incremental_inputs_sections to this.
3200         (Sized_incremental_binary::setup_readers): New function.
3201         (Sized_incremental_binary::has_incremental_info_): New data member.
3202         (Sized_incremental_binary::inputs_reader_): New data member.
3203         (Sized_incremental_binary::symtab_reader_): New data member.
3204         (Sized_incremental_binary::relocs_reader_): New data member.
3205         (Sized_incremental_binary::got_plt_reader_): New data member.
3206         (Sized_incremental_binary::current_input_file_): New data member.
3207
3208 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3209
3210         PR gold/12640
3211         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3212         violation.
3213
3214 2011-03-30  Cary Coutant  <ccoutant@google.com>
3215
3216         * archive.cc (Archive::include_member): Adjust call to report_object.
3217         (Add_archive_symbols::run): Add script_info to call to
3218         report_archive_begin.
3219         (Lib_group::include_member): Adjust call to report_object.
3220         (Add_lib_group_symbols::run): Adjust call to report_object.
3221         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3222         blocks.  Add object count for script input files.
3223         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3224         script_info parameter; change all callers.
3225         (Incremental_inputs::report_object): Add script_info parameter;
3226         change all callers.
3227         (Incremental_inputs::report_script): Store backpointer to
3228         incremental info entry.
3229         (Output_section_incremental_inputs::set_final_data_size): Record
3230         additional information for scripts.
3231         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3232         * incremental.h (Incremental_script_entry::add_object): New function.
3233         (Incremental_script_entry::get_object_count): New function.
3234         (Incremental_script_entry::get_object): New function.
3235         (Incremental_script_entry::objects_): New data member; adjust
3236         constructor.
3237         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3238         (Incremental_inputs::report_object): Add script_info parameter.
3239         (Incremental_inputs_reader::get_object_count): New function.
3240         (Incremental_inputs_reader::get_object_offset): New function.
3241         * options.cc (Input_arguments::add_file): Return reference to
3242         new input argument.
3243         * options.h (Input_argument::set_script_info): New function.
3244         (Input_argument::script_info): New function.
3245         (Input_argument::script_info_): New data member; adjust all
3246         constructors.
3247         (Input_file_group::add_file): Return reference to new input argument.
3248         (Input_file_lib::add_file): Likewise.
3249         (Input_arguments::add_file): Likewise.
3250         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3251         * script.cc (Parser_closure::Parser_closure): Add script_info
3252         parameter; adjust all callers.
3253         (Parser_closure::script_info): New function.
3254         (Parser_closure::script_info_): New data member.
3255         (read_input_script): Report scripts earlier to incremental info.
3256         (script_add_file): Set script_info in Input_argument.
3257         (script_add_library): Likewise.
3258         * script.h (Script_options::Script_info): Rewrite class.
3259
3260 2011-03-29  Cary Coutant  <ccoutant@google.com>
3261
3262         * archive.cc (Library_base::should_include_member): Move
3263         method here from class Archive.
3264         (Archive::Archive): Initialize base class.
3265         (Archive::should_include_member): Move to base class.
3266         (Archive::do_for_all_unused_symbols): New function.
3267         (Add_archive_symbols::run): Remove redundant access to
3268         incremental_inputs.
3269         (Lib_group::Lib_group): Initialize base class.
3270         (Lib_group::do_filename): New function.
3271         (Lib_group::include_member): Pass pointer to Lib_group to
3272         report_object.
3273         (Lib_group::do_for_all_unused_symbols): New function.
3274         (Add_lib_group_symbols::run): Report archive information for
3275         incremental links.
3276         * archive.h (class Library_base): New base class.
3277         (class Archive): Derive from Library_base.
3278         (Archive::filename): Move to base class.
3279         (Archive::set_incremental_info): Likewise.
3280         (Archive::incremental_info): Likewise.
3281         (Archive::Should_include): Likewise.
3282         (Archive::should_include_member): Likewise.
3283         (Archive::Armap_entry): Remove.
3284         (Archive::Unused_symbol_iterator): Remove.
3285         (Archive::unused_symbols_begin): Remove.
3286         (Archive::unused_symbols_end): Remove.
3287         (Archive::do_filename): New function.
3288         (Archive::do_get_mtime): New function.
3289         (Archive::do_for_all_unused_symbols): New function.
3290         (Archive::task_): Move to base class.
3291         (Archive::incremental_info_): Likewise.
3292         (class Lib_group): Derive from Library_base.
3293         (Lib_group::do_filename): New function.
3294         (Lib_group::do_get_mtime): New function.
3295         (Lib_group::do_for_all_unused_symbols): New function.
3296         (Lib_group::task_): Move to base class.
3297         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3298         function.
3299         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3300         function.
3301         * incremental.cc (Incremental_inputs::report_archive_begin):
3302         Use Library_base; call library's get_mtime; add incremental inputs
3303         entry before members.
3304         (class Unused_symbol_visitor): New class.
3305         (Incremental_inputs::report_archive_end): Use Library_base; use
3306         visitor class to record unused symbols; don't add incremental inputs
3307         entry after members.
3308         (Incremental_inputs::report_object): Use Library_base.
3309         * incremental.h
3310         (Incremental_archive_entry::Incremental_archive_entry): Remove
3311         unused Archive parameter.
3312         (Incremental_inputs::report_archive_begin): Use Library_base.
3313         (Incremental_inputs::report_archive_end): Likewise.
3314         (Incremental_inputs::report_object): Likewise.
3315         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3316         function.
3317         * object.h (Object::for_all_global_symbols): New function.
3318         (Object::do_for_all_global_symbols): New function.
3319         (Sized_relobj::do_for_all_global_symbols): New function.
3320         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3321         function.
3322         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3323         function.
3324
3325 2011-03-27  Ian Lance Taylor  <iant@google.com>
3326
3327         * archive.cc (Archive::interpret_header): Return -1 if something
3328         goes wrong.  Change callers accordingly.
3329
3330 2011-03-25  Cary Coutant  <ccoutant@google.com>
3331
3332         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3333         * testsuite/Makefile.in: Regenerate.
3334
3335 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3336
3337         * plugin.cc (get_view): New.
3338         (Plugin::load): Pass get_view to the plugin.
3339         (Plugin_manager::get_view): New.
3340
3341 2011-03-21  Ian Lance Taylor  <iant@google.com>
3342
3343         * testsuite/final_layout.sh: Rewrite to not use dc.
3344         * testsuite/relro_test.sh: Fail if dc is not present.
3345
3346 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3347
3348         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3349         Change == to -eq.
3350         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3351         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3352         Change == to -eq.
3353         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3354         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3355
3356 2011-03-14  Ian Lance Taylor  <iant@google.com>
3357
3358         * script-sections.cc (Sort_output_sections::script_compare):
3359         Rename from is_before, change return type.
3360         (Sort_output_sections::operator()): Adjust accordingly.
3361
3362 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3363
3364         PR gold/12572
3365         * testsuite/odr_violation2.cc: Add comment to make all error line
3366         numbers double digits.
3367         * testsuite/debug_msg.sh: Adjust expected errors.
3368
3369 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3370
3371         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3372         but mark earlier ones as non-canonical
3373         (offset_to_iterator): Update search target and example
3374         (do_addr2line): Return extra lines in a vector*
3375         (format_file_lineno): Extract from do_addr2line
3376         (one_addr2line): Add vector* out-param
3377         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3378         when a lineno entry appeared last for its instruction
3379         (Dwarf_line_info): Add vector* out-param
3380         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3381         * symtab.cc (Odr_violation_compare): Include the lineno in the
3382         comparison again.
3383         (linenos_from_loc): New. Combine the canonical line for an
3384         address with its other lines.
3385         (True_if_intersect): New. Helper functor to make
3386         std::set_intersection a query.
3387         (detect_odr_violations): Compare sets of lines instead of just
3388         one line for each function. This became less deterministic, but
3389         has fewer false positives.
3390         * symtab.h: Declarations.
3391         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3392         mix an optimized and non-optimized object in the same binary
3393         (odr_violation2.so): Same.
3394         * testsuite/Makefile.in: Regenerate from Makefile.am.
3395         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3396         * testsuite/debug_msg.sh: Update line numbers and add
3397         assertions.
3398         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3399         non-optimized context.
3400         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3401         isn't inlined, and use OdrDerived in an optimized context.
3402         * testsuite/odr_header1.h: Defines OdrDerived, where
3403         optimization will change the
3404         first-instruction-in-the-destructor's file and line number.
3405         * testsuite/odr_header2.h: Defines OdrBase.
3406
3407 2011-03-09  Ian Lance Taylor  <iant@google.com>
3408
3409         * fileread.cc (File_read::clear_views): Don't delete the whole
3410         file view.
3411
3412 2011-03-08  Ian Lance Taylor  <iant@google.com>
3413
3414         PR gold/12525
3415         * fileread.cc: #include <climits>.
3416         (GOLD_IOV_MAX): Define.
3417         (File_read::read_multiple): Limit number of entries by iov_max.
3418         * fileread.h (class File_read): Always set max_readv_entries to
3419         128.
3420
3421 2011-03-07  Ian Lance Taylor  <iant@google.com>
3422
3423         PR gold/12525
3424         * options.h (class General_options): Add -dy and -dn.
3425
3426 2011-03-02  Cary Coutant  <ccoutant@google.com>
3427
3428         * testsuite/script_test_9.t: Add TLS segment.
3429
3430 2011-03-02  Simon Baldwin  <simonb@google.com>
3431
3432         * configure.ac: Add check for gnu_indirect_function support in
3433         the toolchain building binutils.
3434         * configure: Rebuild.
3435
3436 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3437
3438         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3439         plugin only symbols.
3440         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3441         in plugin files as not needed in the symbol table.
3442
3443 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3444
3445         * output.cc (Output_section::add_input_section): Delay fill
3446         generation for section ordering.
3447
3448 2011-02-09  Ian Lance Taylor  <iant@google.com>
3449
3450         PR gold/12316
3451         * object.h (class Sized_relobj): Remove clear_local_symbols.
3452         * reloc.cc (Sized_relobj::do_relocate): Don't call
3453         clear_local_symbols.
3454
3455 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3456
3457         * plugin.cc (is_visible_from_outside): Return true for symbols
3458         in the -u option.
3459
3460 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3461
3462         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3463         filename.
3464
3465 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3466
3467         * icf.h (is_section_foldable_candidate): Change type of parameter
3468         to std::string.
3469         * icf.cc (Icf::find_identical_sections): Change type of local variable
3470         section_name to be std::string.
3471         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3472
3473 2011-01-25  Ian Lance Taylor  <iant@google.com>
3474
3475         * script.cc (script_add_extern): Rewrite to use
3476         add_symbol_reference.
3477
3478 2011-01-25  Doug Kwan  <dougkwan@google.com>
3479
3480         * icf.cc (get_section_contents): Always lock section's object.
3481
3482 2011-01-24  Ian Lance Taylor  <iant@google.com>
3483
3484         * options.h (class General_options): Accept
3485         --no-detect-odr-violations.
3486
3487 2011-01-24  Ian Lance Taylor  <iant@google.com>
3488
3489         * version.cc (version_string): Bump to 1.11.
3490
3491 2011-01-24  Ian Lance Taylor  <iant@google.com>
3492
3493         * plugin.cc (class Plugin_rescan): Define new class.
3494         (Plugin_manager::claim_file): Set any_claimed_.
3495         (Plugin_manager::save_archive): New function.
3496         (Plugin_manager::save_input_group): New function.
3497         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3498         necessary.
3499         (Plugin_manager::new_undefined_symbol): New function.
3500         (Plugin_manager::rescan): New function.
3501         (Plugin_manager::rescannable_defines): New function.
3502         (Plugin_manager::add_input_file): Set any_added_.
3503         * plugin.h (class Plugin_manager): define new fields rescannable_,
3504         undefined_symbols_, any_claimed_, and any_added_.  Declare
3505         Plugin_rescan as friend.  Declare new functions.
3506         (Plugin_manager::Rescannable): Define type.
3507         (Plugin_manager::Rescannable_list): Define type.
3508         (Plugin_manager::Undefined_symbol_list): Define type.
3509         (Plugin_manager::Plugin_manager): Initialize new fields.
3510         * archive.cc (Archive::defines_symbol): New function.
3511         (Add_archive_symbols::run): Pass archive to plugins if any.
3512         * archive.h (class Archive): Declare defines_symbol.
3513         * readsyms.cc (Input_group::~Input_group): New function.
3514         (Finish_group::run): Pass input_group to plugins if any.
3515         * readsyms.h (class Input_group): Declare destructor.
3516         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3517         any.
3518
3519 2011-01-10  Ian Lance Taylor  <iant@google.com>
3520
3521         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3522         section as relro.
3523         (Layout::set_segment_offsets): Reset increase_relro before calling
3524         set_section_addresses a second time.
3525
3526 2011-01-04  Cary Coutant  <ccoutant@google.com>
3527
3528         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3529         sections before NOBITS sections.
3530
3531 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3532
3533         * version.cc (print_version): Update copyright to 2011.
3534
3535 2010-12-23  Cary Coutant  <ccoutant@google.com>
3536
3537         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3538         of OS to this->add.  Add OD parameter to second form of the function.
3539
3540 2010-12-20  Ian Lance Taylor  <iant@google.com>
3541
3542         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3543         second of two consecutive entries with same offset.
3544
3545 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3546
3547         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3548         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3549         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3550         to avoid unneeded links against $(LDADD).
3551         * testsuite/Makefile.in: Regenerate.
3552
3553 2010-12-15  Ian Lance Taylor  <iant@google.com>
3554
3555         PR gold/12324
3556         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3557         for R_X86_64_32 and R_X86_64_PC32.
3558         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3559         ver_matching_def_pic.o.
3560         (ver_matching_def_pic.o): New target.
3561
3562 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3563
3564         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3565         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3566         Move definition before File_read::View member definitions.
3567         (File_read::View::~View): Initialize and hold lock before
3568         updating current_mapped_bytes.
3569
3570 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3571
3572         * dwarf_reader.cc: Remove outdated comment.
3573         * gold-threads.cc: Fix typo in error message.
3574         * archive.cc: Fix typos in comments.
3575         * archive.h: Likewise.
3576         * arm-reloc-property.cc: Likewise.
3577         * arm-reloc-property.h: Likewise.
3578         * arm-reloc.def: Likewise.
3579         * arm.cc: Likewise.
3580         * attributes.h: Likewise.
3581         * cref.cc: Likewise.
3582         * ehframe.cc: Likewise.
3583         * fileread.h: Likewise.
3584         * gold.h: Likewise.
3585         * i386.cc: Likewise.
3586         * icf.cc: Likewise.
3587         * incremental.h: Likewise.
3588         * int_encoding.cc: Likewise.
3589         * layout.h: Likewise.
3590         * main.cc: Likewise.
3591         * merge.h: Likewise.
3592         * object.cc: Likewise.
3593         * object.h: Likewise.
3594         * options.cc: Likewise.
3595         * readsyms.cc: Likewise.
3596         * reduced_debug_output.cc: Likewise.
3597         * reloc.cc: Likewise.
3598         * script-sections.cc: Likewise.
3599         * sparc.cc: Likewise.
3600         * symtab.h: Likewise.
3601         * target-reloc.h: Likewise.
3602         * target.cc: Likewise.
3603         * target.h: Likewise.
3604         * timer.cc: Likewise.
3605         * timer.h: Likewise.
3606         * x86_64.cc: Likewise.
3607
3608 2010-12-09  Cary Coutant  <ccoutant@google.com>
3609
3610         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3611         stack.
3612         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3613         parameter; change all callers.
3614         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3615         * options.h (warn_execstack): New option.
3616
3617 2010-12-07  Doug Kwan  <dougkwan@google.com>
3618
3619         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3620         like function call relocations.
3621
3622 2010-12-07  Ian Lance Taylor  <iant@google.com>
3623
3624         * archive.cc (Archive::get_elf_object_for_member): Permit
3625         punconfigured to be NULL.
3626         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3627         (Archive::include_member): Pass NULL to get_elf_object_for_member
3628         if we searched for the archive and this is the first included
3629         object.
3630
3631 2010-12-01  Ian Lance Taylor  <iant@google.com>
3632
3633         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3634         track_relocs_type_ field.
3635         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3636         Set track_relocs_type_.
3637         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3638         contents when using RELA relocs.
3639         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3640         reloc_map_.
3641         * reloc.cc (Track_relocs::next_addend): New function.
3642         * reloc.h (class Track_relocs): Declare next_addend.
3643
3644 2010-12-01  Ian Lance Taylor  <iant@google.com>
3645
3646         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3647         virtual destructor.
3648
3649 2010-12-01  Ian Lance Taylor  <iant@google.com>
3650
3651         * README: Update compilers known to work and fail.
3652
3653 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3654
3655         * configure.in: For --enable-gold, handle value `default' instead of
3656         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3657         not the default.
3658         * configure: Regenerate.
3659
3660 2010-11-18  Doug Kwan  <dougkwan@google.com>
3661
3662         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3663         and right_alignment to be zero.  Store result alignment only if it is
3664         greater than existing alignment.
3665
3666 2010-11-16  Cary Coutant  <ccoutant@google.com>
3667
3668         PR gold/12220
3669         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3670         Check for ".zdebug_line".
3671
3672 2010-11-16  Doug Kwan  <dougkwan@google.com>
3673             Cary Coutant  <ccoutant@google.com>
3674
3675         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3676         by reference; adjust all callers.
3677         * output.cc (Output_segment::set_section_addresses): Adjust references
3678         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3679         list is empty.
3680         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3681         end at page boundary.
3682
3683 2010-11-16  Cary Coutant  <ccoutant@google.com>
3684
3685         PR gold/12220
3686         * layout.cc (Layout::choose_output_section): Transform names of
3687         compressed sections even when using a script with a SECTIONS clause.
3688         (Layout::output_section_name): Remove code to transform
3689         compressed debug section names.
3690         * output.cc (Output_section::add_input_section): Use uncompressed
3691         section size when tracking input sections.
3692
3693 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3694
3695         * symtab.h (Symbol::NON_PIC_REF): Remove.
3696         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3697         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3698         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3699         (Symbol::use_plt_offset): Take a flags argument and pass it
3700         directly to needs_dynamic_reloc.  Restrict check for undefined
3701         weak symbols to function calls.
3702         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3703         (Target_arm::Scan::global): Use it.
3704         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3705         (Target_arm::Relocate::relocate): Likewise.
3706         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3707         parameter with an r_type parameter.  Use get_reference_flags
3708         to get the flags.
3709         (Target_arm::Relocate::relocate): Update accordingly.
3710         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3711         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3712         (Target_i386::Scan::global): Likewise.
3713         (Target_i386::Relocate::relocate): Likewise.
3714         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3715         parameter with an r_type parameter.  Use get_reference_flags
3716         to get the flags.
3717         (Target_i386::Relocate::relocate): Update accordingly.
3718         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3719         (Target_powerpc::Scan::global): Use it.
3720         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3721         (Target_powerpc::Relocate::relocate): Likewise.
3722         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3723         (Target_sparc::Scan::global): Use it.
3724         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3725         (Target_sparc::Relocate::relocate): Likewise.
3726         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3727         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3728         (Target_x86_64::Scan::global): Likewise.
3729         (Target_x86_64::Relocate::relocate): Likewise.
3730
3731 2010-11-08  Doug Kwan  <dougkwan@google.com>
3732             Cary Coutant  <ccoutant@google.com>
3733
3734         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3735         (Arm_exidx_merge_section::section_contents_): New data member.
3736         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3737         (Arm_input_section::~Arm_input_section): De-allocate memory.
3738         (Arm_input_section::original_contents_): New data member.
3739         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3740         in parameters instead of calling Object::section_contents without
3741         locking.
3742         (Arm_output_section::group_section): New parameter TASK.  Pass it
3743         to callees that need locking objects.
3744         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3745         to lock EXIDX input sections.  Fix a formatting issue.  Call
3746         Arm_exidx_merged_section::build_contents to create merged section
3747         contents.
3748         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3749         to lock object of stub table owner.
3750         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3751         TEXT_SIZE to initialize data member TEXT_SIZE_.
3752         (Arm_exidx_input_section::addralign): Fix typo in comment.
3753         (Arm_exidx_input_section::text_size): New method.
3754         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3755         that require locking objects.  Lock objects before scanning for stubs
3756         and updating local symbols.
3757         (Arm_input_section<big_endian>::init): Copy contents of original
3758         input section.
3759         (Arm_input_section<big_endian>::do_write): Use saved contents of
3760         original input section instead of calling Object::section_contents
3761         without locking.
3762         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3763         size without calling Object::section_size().
3764         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3765         for size.  Allocate a buffer for merged EXIDX entries.
3766         (Arm_exidx_merged_section::build_contents): New method.
3767         (Arm_exidx_merged_section::do_write): Move merge section contents
3768         building code to Arm_exidx_merged_section::build_contetns.  Write
3769         out contetns in buffer instead of building it on the fly.
3770         (Arm_relobj::make_exidx_input_section): Also pass text section size
3771         to Arm_exidx_input_section constructor.
3772         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3773         (Arm_dynobj::do_read_symbols): Fix memory leak.
3774         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3775         * target.h: (class Task): Add forward declaration.
3776         (Target::relax): Add new parameter TASK and pass it to
3777         Target::do_relax().
3778         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3779
3780 2010-11-05  Cary Coutant  <ccoutant@google.com>
3781
3782         PR gold/10708
3783         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3784         object when reading from the file.
3785         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3786         second layout pass.
3787         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3788         when reading section contents.
3789         (get_section_contents): Likewise.
3790         (icf::find_identical_sections): Likewise.
3791         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3792         object when reading from the file.
3793         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3794         the object when doing deferred section layout.
3795
3796 2010-11-03  Nick Clifton  <nickc@redhat.com>
3797
3798         PR gold/12001
3799         * script.h (class Symbol_assignment: name): New member.  Returns
3800         the name of the symbol.
3801         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3802         Returns true if the given symbol name is on the list of
3803         assignments wating to be processed.
3804         * archive.cc (should_incldue_member): If the symbol is undefined,
3805         check to see if it is on the list of symbols pending assignment.
3806
3807 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3808
3809         * script-sections.cc (Script_sections::find_memory_region): Check
3810         for a NULL output section pointer.
3811
3812 2010-10-29  Doug Kwan  <dougkwan@google.com>
3813
3814         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3815         Output_section::add_relaxed_input_section.
3816         * output.cc (Output_section::add_relaxed_input_section): Add new
3817         arguments LAYOUT and NAME.  Set section order index.
3818         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3819         Copy section order index.
3820         * output.h (Output_section::add_relaxed_input_section): Add new
3821         arguments LAYOUT and NAME.
3822
3823 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3824
3825         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3826         NATIVE_OR_CROSS_LINKER.
3827         * testsuite/Makefile.in: Regenerate.
3828
3829 2010-10-20  Doug Kwan  <dougkwan@google.com>
3830
3831         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3832         without SHF_LINK_ORDER flags.
3833         * layout.cc (Layout::choose_output_section): Do not filter
3834         SHF_LINK_ORDER flag in a relocatable link.
3835
3836 2010-10-17  Cary Coutant  <ccoutant@google.com>
3837
3838         * output.h (Output_segment::set_section_addresses): Change function
3839         signature.  Update all callers.
3840         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3841         sections.
3842         (Output_segment::set_section_addresses): Align after last TLS
3843         section.  Add padding before last relro section instead of after.
3844
3845 2010-10-17  Doug Kwan  <dougkwan@google.com>
3846
3847         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3848         GOT output section to be writable.
3849
3850 2010-10-14  Cary Coutant  <ccoutant@google.com>
3851
3852         * debug.h (DEBUG_INCREMENTAL): New flag.
3853         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3854         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3855         mode.
3856         * incremental.cc (report_command_line): Ignore all forms of
3857         --incremental.
3858         * layout.cc (Layout::Layout): Check parameters for incremental link
3859         mode.
3860         * options.cc (General_options::parse_incremental): New function.
3861         (General_options::parse_no_incremental): New function.
3862         (General_options::parse_incremental_full): New function.
3863         (General_options::parse_incremental_update): New function.
3864         (General_options::incremental_mode_): New data member.
3865         (General_options::finalize): Check incremental_mode_.
3866         * options.h (General_options): Update help text for --incremental.
3867         Add --no-incremental, --incremental-full, --incremental-update.
3868         (General_options::Incremental_mode): New enum type.
3869         (General_options::incremental_mode): New function.
3870         (General_options::incremental_mode_): New data member.
3871         * parameters.cc (Parameters::incremental_mode_): New data member.
3872         (Parameters::set_options): Set incremental_mode_.
3873         (Parameters::set_incremental_full): New function.
3874         (Parameters::incremental): New function.
3875         (Parameters::incremental_update): New function.
3876         (set_parameters_incremental_full): New function.
3877         * parameters.h (Parameters::set_incremental_full): New function.
3878         (Parameters::incremental): New function.
3879         (Parameters::incremental_update): New function.
3880         (Parameters::incremental_mode_): New data member.
3881         (set_parameters_incremental_full): New function.
3882         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3883         incremental link mode.
3884         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3885         (Sized_relobj::do_relocate_sections): Likewise.
3886         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3887         option.
3888         * testsuite/Makefile.in: Regenerate.
3889         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3890
3891 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3892
3893         * script-sections.h (class Script_sections): Make
3894         Sections_elements typedef public.
3895         * script-sections.cc (class Sort_output_sections): Add elements_
3896         field.  Add constructor which sets it; change all callers.
3897         (Sort_output_sections::is_before): New function.
3898         (Sort_output_sections::operator()): Call is_before.
3899         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3900         conditional.
3901         * testsuite/script_test_10.sh: New test. Test script section
3902         order.
3903         * testsuite/script_test_10.t: Likewise.
3904         * testsuite/script_test_10.s: Likewise.
3905         * testsuite/Makefile.am: Wrap the cross linker tests and the
3906         common tests into NATIVE_OR_CROSS_LINKER.
3907         (check_SCRIPTS): Add script_test_10.sh.
3908         (check_DATA): Add script_test_10.stdout.
3909         (script_test_10.o, script_test_10): New targets.
3910         (script_test_10.stdout): New target.
3911         * configure, testsuite/Makefile.in: Regenerate.
3912
3913 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3914
3915         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3916         error for the deprecated relocations.
3917         (Target_arm::Scan::global): Likewise.
3918         (Target_arm::Relocate::relocate): Likewise.
3919
3920 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3921
3922         * fileread.cc (Input_file::find_file): Initialize *found_name
3923         and *namep when using the fallback search for case 4.
3924
3925 2010-10-11  Cary Coutant  <ccoutant@google.com>
3926
3927         * options.h (class General_options): Redefine -z lazy as an alias for
3928         the negation of -z now.
3929
3930 2010-10-11  Ian Lance Taylor  <iant@google.com>
3931
3932         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3933         binding.
3934
3935 2010-10-06  Nick Clifton  <nickc@redhat.com>
3936
3937         * script-sections.cc(class Memory_region): Remove
3938         current_lma_offset_ field.  Rename current_vma_offset_ to
3939         current_offset_.  Add last_section_ field.
3940         (Memory_region::get_current_vma_address): Rename to
3941         get_current_address.
3942         (Memory_region::get_current_lma_address): Delete.
3943         (Memory_region::increment_vma_offset): Rename to
3944         increment_offset.
3945         (Memory_region::increment_lma_offset): Delete.
3946         (Memory_region::attributes_compatible): New method.  Returns
3947         true if the provided section is compatible with the region.
3948         (Memory_region::get_last_section): New method.  Returns the last
3949         section to use the region.
3950         (Memory_region::set_last_section): New method.  Stores the last
3951         section to use the region.
3952         (Script_sections::block_in_region): New method.  Returns true if
3953         a block of memory is contained within a region.
3954         (Script_sections::find_memory_region): New method.  Locates a
3955         memory region to be used to set a VMA or LMA address.
3956         (Output_section_definition::set_section_addresses): Add code to
3957         check for addresses set by memory regions.
3958         (Output_segment::set_section_addresses): Remove memory region
3959         walking code.
3960         (Script_sections::create_segment): Add a warning if a header
3961         segment is created outside of any region.
3962         * script-sections.h (class Script_sections): Add prototypes for
3963         find_memory_region and block_in_region methods.
3964         * testsuite/memory_test.s: Use .long instead of .word.
3965         * testsuite/memory_test.t: Add some more output sections.
3966         * testsuite/memory_test.sh: Update expected output.
3967
3968 2010-10-02  Doug Kwan  <dougkwan@google.com>
3969
3970         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3971         defintion to symtab.h
3972         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3973         declaration to defintion.
3974
3975 2010-10-01  Nick Clifton  <nickc@redhat.com>
3976
3977         * expression.cc (eval): Replace dummy argument with NULL.
3978         (eval_maybe_dot): Check for a NULL result section pointer.
3979         (Symbol_expression::value): Likewise.
3980         (Dot_expression::value): Likewise.
3981         (BINARY_EXPRESSION): Likewise.
3982         (Max_expression::value): Likewise.
3983         (Min_expression::value): Likewise.
3984         (Absolute_expression::value): Likewise.
3985         (Addr_expression::value_from_output_section): Likewise.
3986         (Loaddddr_expression::value_from_output_section): Likewise.
3987         (Segment_start_expression::value): Likewise.
3988         * script-sections.cc
3989         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3990         argument with NULL.
3991         (Sections_elememt_dot_assignment::set_section_addresses):
3992         Likewise.
3993         (Output_data_expression::do_write_to_buffer): Likewise.
3994         (Output_section_definition::finalize_symbols): Likewise.
3995         (Output_section_definition::set_section_addresses): Likewise.
3996
3997 2010-09-30  Doug Kwan  <dougkwan@google.com>
3998
3999         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4000
4001 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4002
4003         * target.h (Target::can_icf_inline_merge_sections): New virtual
4004         function.
4005         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4006         virtual function.
4007         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4008         virtual function.
4009         * icf.cc (get_section_contents): Inline merge sections only when
4010         target allows it.
4011
4012 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4013
4014         * configure: Regenerate.
4015
4016 2010-09-17  Ian Lance Taylor  <iant@google.com>
4017
4018         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4019         * testsuite/Makefile.am (memory_test.o): New target.
4020         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4021         memory_test.t.
4022         * testsuite/Makefile.in: Rebuild.
4023
4024 2010-09-17  Doug Kwan  <dougkwan@google.com>
4025
4026         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4027         defintion if relocation uses GOT entries of the symbol.
4028         * testsuite/icf_safe_test.sh: Fix test.
4029         * testsuite/icf_safe_so_test.sh: Fix test.
4030
4031 2010-09-16  Cary Coutant  <ccoutant@google.com>
4032
4033         * script_sections.cc (class Memory_region): Remove "NULL" from
4034         vector initializations.
4035
4036 2010-09-15  Cary Coutant  <ccoutant@google.com>
4037
4038         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4039         Resolve forwarding symbols.
4040
4041 2010-09-15  Doug Kwan  <dougkwan@google.com>
4042
4043         * gold/testsuite/script_test_3.t: Add ARM special sections.
4044         * gold/testsuite/script_test_4.t: Same.
4045         * gold/testsuite/script_test_5.t: Same.
4046         * gold/testsuite/script_test_6.t: Same.
4047         * gold/testsuite/script_test_7.t: Same.
4048         * gold/testsuite/script_test_7.t: Same.
4049         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4050
4051 2010-09-14  Cary Coutant  <ccoutant@google.com>
4052
4053         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4054         (Target_x86_64::Relocate::relocate_tls): Replace check for
4055         saw_tls_block_reloc_ with test for executable section.
4056
4057 2010-09-12  Cary Coutant  <ccoutant@google.com>
4058
4059         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4060         position-independent executables to shared libraries need dynamic
4061         relocations.
4062         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4063         position-independent executables.
4064         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4065         * testsuite/Makefile.in: Regenerate.
4066
4067 2010-09-10  Nick Clifton  <nickc@redhat.com>
4068
4069         PR gold/11997
4070         * testsuite/memory_test.t: Discard any sections that are not
4071         needed.
4072
4073 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4074
4075         PR gold/11996
4076         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4077         "This::" to work around a bug in gcc 4.2.
4078
4079         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4080
4081 2010-09-09  Rafael Espindola  <espindola@google.com>
4082
4083         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4084         sections with different PF_X flags in the same segment.
4085         (Layout::find_first_load_seg): Search all segments to find the first
4086         one.
4087         * options.h (rosegment): New.
4088
4089 2010-09-08  Rafael Espindola  <espindola@google.com>
4090
4091         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4092
4093 2010-09-08  Doug Kwan  <dougkwan@google.com>
4094
4095         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4096         (Arm_relobj::do_relocate_sections): Add new parameter for output
4097         file to match the parent.
4098         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4099         of local symbols instead of input values.  Update code to track
4100         changes in gold::relocate_section.
4101         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4102         (Sized_relobj::compute_final_local_value_internal): New methods.
4103         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4104         body into private version of Sized_relobj::compute_final_local_value.
4105         Call the inline method.
4106         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4107         merged symbol value if there is one.
4108         (Symbol_value::has_output_value): New method defintiion.
4109         (Sized_relobj::Compute_final_local_value_status): New enum type.
4110         (Sized_relobj::compute_final_local_value): New methods.
4111         (Sized_relobj::compute_final_local_value_internal): New methods.
4112         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4113         and arm_cortex_a8.sh.
4114         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4115         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4116         New tests.
4117         * Makefile.in: Regenerate.
4118         * testsuite/arm_bl_out_of_range.s: Update test.
4119         * testsuite/thumb_bl_out_of_range.s: Ditto.
4120         * testsuite/thumb_blx_out_of_range.s: Ditto.
4121         * testsuite/arm_branch_out_of_range.sh: New file.
4122         * testsuite/arm_cortex_a8.sh: Ditto.
4123         * testsuite/arm_cortex_a8_b.s: Ditto.
4124         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4125         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4126         * testsuite/arm_cortex_a8_bl.s: Ditto.
4127         * testsuite/arm_cortex_a8_blx.s: Ditto.
4128         * testsuite/arm_cortex_a8_local.s: Ditto.
4129         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4130         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4131
4132 2010-09-08  Rafael Espindola  <espindola@google.com>
4133
4134         * Makefile.am (memory_test.stdout): Run readelf with -W.
4135         * Makefile.in: Regenerate.
4136         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4137         64 bit output.
4138
4139 2010-09-08  Rafael Espindola  <espindola@google.com>
4140
4141         * script-sections.cc (Script_sections::add_memory_region): Convert
4142         field precision to int.
4143         * script.cc (script_set_section_region, script_set_section_region):
4144         Convert field precision to int.
4145
4146 2010-09-08  Rafael Espindola  <espindola@google.com>
4147
4148         * arm.cc (do_finalize_sections): Create the __exidx_start and
4149         __exdix_end symbols even when the section is missing.
4150
4151 2010-09-08  Nick Clifton  <nickc@redhat.com>
4152
4153         * README: Remove claim that MEMORY is not supported.
4154         * expression.cc (script_exp_function_origin)
4155         (script_exp_function_length): Move from here to ...
4156         * script.cc: ... here.
4157         (script_set_section_region, script_add_memory)
4158         (script_parse_memory_attr, script_include_directive): New
4159         functions.
4160         * script-sections.cc
4161         (class Memory_region): New class.
4162         (class Output_section_definition): Add set_memory_region,
4163         set_section_vma, set_section_lma and get_section_name methods.
4164         (class Script_Sections): Add add_memory_region,
4165         find_memory_region, find_memory_region_origin,
4166         find_memory_region_length and set_memory_region methods.
4167         Have set_section_addresses method walk the list of set memory
4168         regions.
4169         Extend the print methos to display memory regions.
4170         * script-sections.h: Add prototypes for new methods.
4171         Add enum for MEMORY region attributes.
4172         * yyscript.y: Add support for parsing MEMORY regions.
4173         * script-c.h: Add prototypes for new functions.
4174         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4175         * testsuite/Makefile.in: Regenerate.
4176         * testsuite/memory_test.sh: New script.
4177         * testsuite/memory_test.s: New assembler source file.
4178         * testsuite/memory_test.t: New linker script.
4179
4180 2010-08-27  Doug Kwan  <dougkwan@google.com>
4181
4182         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4183         reference override an existing dynamic weak reference.
4184         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4185         * testsuite/Makefile.in: Regenerate.
4186         * testsuite/dyn_weak_ref.sh: New file.
4187         * testsuite/dyn_weak_ref_1.c: Ditto.
4188         * testsuite/dyn_weak_ref_2.c: Ditto.
4189
4190 2010-08-27  Ian Lance Taylor  <iant@google.com>
4191
4192         * incremental.h (class Incremental_input_entry): Add virtual
4193         destructor.
4194
4195 2010-08-27  Ian Lance Taylor  <iant@google.com>
4196
4197         * testsuite/start_lib_test_3.c: Mark t3 as used.
4198
4199 2010-08-27  Nick Clifton  <nickc@redhat.com>
4200
4201         * options.cc (version_script): Fix small typo in previous
4202         whitespace tidyup.
4203
4204 2010-08-25  Nick Clifton  <nickc@redhat.com>
4205
4206         * archive.cc: Formatting fixes: Remove whitespace between
4207         typename and following asterisk.  Remove whitespace between
4208         function name and opening parenthesis.
4209         * archive.h: Likewise.
4210         * arm.cc: Likewise.
4211         * attributes.cc: Likewise.
4212         * attributes.h: Likewise.
4213         * common.cc: Likewise.
4214         * copy-relocs.cc: Likewise.
4215         * dirsearch.h: Likewise.
4216         * dynobj.cc: Likewise.
4217         * ehframe.cc: Likewise.
4218         * ehframe.h: Likewise.
4219         * expression.cc: Likewise.
4220         * fileread.cc: Likewise.
4221         * fileread.h: Likewise.
4222         * gc.h: Likewise.
4223         * gold-threads.cc: Likewise.
4224         * gold.cc: Likewise.
4225         * i386.cc: Likewise.
4226         * icf.h: Likewise.
4227         * incremental-dump.cc: Likewise.
4228         * incremental.cc: Likewise.
4229         * layout.cc: Likewise.
4230         * layout.h: Likewise.
4231         * main.cc: Likewise.
4232         * merge.cc: Likewise.
4233         * merge.h: Likewise.
4234         * object.cc: Likewise.
4235         * object.h: Likewise.
4236         * options.cc: Likewise.
4237         * options.h: Likewise.
4238         * output.cc: Likewise.
4239         * output.h: Likewise.
4240         * plugin.cc: Likewise.
4241         * plugin.h: Likewise.
4242         * powerpc.cc: Likewise.
4243         * reloc.cc: Likewise.
4244         * script-c.h: Likewise.
4245         * script-sections.cc: Likewise.
4246         * script.cc: Likewise.
4247         * stringpool.cc: Likewise.
4248         * symtab.cc: Likewise.
4249         * symtab.h: Likewise.
4250         * target.cc: Likewise.
4251         * timer.cc: Likewise.
4252         * timer.h: Likewise.
4253         * version.cc: Likewise.
4254         * x86_64.cc: Likewise.
4255
4256 2010-08-24  Nick Clifton  <nickc@redhat.com>
4257
4258         PR 11899
4259         * layout.cc (segment_precedes): Sort segments by their physical
4260         addresses, if they have been set.
4261
4262 2010-08-23  Cary Coutant  <ccoutant@google.com>
4263
4264         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4265         symbols data.
4266         (Lib_group::include_member): Unlock object after deleting its
4267         symbols data.
4268         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4269         the bug fixed here.
4270
4271 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4272             Cary Coutant  <ccoutant@google.com>
4273
4274         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4275         constructor, and set_blocker.
4276         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4277         readsyms_blocker_.
4278         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4279         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4280         * testsuite/Makefile.am (start_lib_test): New test case.
4281         * testsuite/Makefile.in: Regenerate.
4282         * testsuite/start_lib_test_main.c: New file.
4283         * testsuite/start_lib_test_1.c: New file.
4284         * testsuite/start_lib_test_2.c: New file.
4285         * testsuite/start_lib_test_3.c: New file.
4286
4287 2010-08-19  Ian Lance Taylor  <iant@google.com>
4288
4289         * Makefile.in: Rebuild with automake 1.11.1.
4290         * aclocal.m4: Likewise.
4291         * testsuite/Makefile.in: Likewise.
4292
4293 2010-08-19  Ian Lance Taylor  <iant@google.com>
4294
4295         PR 10893
4296         * i386.cc (class Output_data_plt_i386): Update declarations.
4297         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4298         local_ifuncs_ fields.
4299         (Target_i386::do_plt_section_for_global): New function.
4300         (Target_i386::do_plt_section_for_local): New function.
4301         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4302         parameter; change all callers.  Initialize global_ifuncs_ and
4303         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4304         __rel_iplt_end.
4305         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4306         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4307         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4308         symbols.
4309         (Target_i386::make_plt_section): New function, broken out of
4310         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4311         (Target_i386::make_plt_entry): Call make_plt_section.
4312         (Target_i386::make_local_ifunc_plt_entry): New function.
4313         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4314         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4315         R_386_IRELATIVE to switch.
4316         (Target_i386::Scan::global): Likewise.
4317         (Target_i386::Relocate::relocate): Likewise.
4318         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4319         switch.
4320         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4321         (Target_x86_64::do_plt_section_for_global): New function.
4322         (Target_x86_64::do_plt_section_for_local): New function.
4323         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4324         parameter; change all callers.  If doing a static link define
4325         __rela_iplt_start and __rela_iplt_end.
4326         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4327         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4328         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4329         to point to .plt.
4330         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4331         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4332         switch.
4333         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4334         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4335         R_X86_64_IRELATIVE to switch.
4336         (Target_x86_64::Scan::global): Likewise.
4337         (Target_x86_64::Relocate::relocate): Likewise.
4338         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4339         switch.
4340         * target.h (class Target): Add plt_section_for_global and
4341         plt_section_for_local functions.  Add do_plt_section_for_global
4342         and do_plt_section_for_local virtual functions.
4343         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4344         clarifying comments.
4345         (Symbol::use_plt_offset): Handle IFUNC symbol.
4346         * object.cc (Sized_relobj::Sized_relobj): Initialize
4347         local_plt_offsets_.
4348         (Sized_relobj::local_has_plt_offset): New function.
4349         (Sized_relobj::local_plt_offset): New function.
4350         (Sized_relobj::set_local_plt_offset): New function.
4351         (Sized_relobj::do_count): Handle IFUNC symbol.
4352         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4353         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4354         is_ifunc_symbol functions.
4355         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4356         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4357         local_plt_offsets_ field.
4358         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4359         * output.h (class Output_section_data): Add non-const
4360         output_section function.
4361         (class Output_data_got): Update declarations.
4362         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4363         Add use_plt_offset parameter to global and local constructors.
4364         Change all callers.  Change local_sym_index_ field to 31 bits.
4365         Change GSYM_CODE and CONSTANT_CODE accordingly.
4366         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4367         doing a static link don't set sh_link field.
4368         (Output_data_got::Got_entry::write): Use PLT offset if
4369         appropriate.
4370         (Output_data_got::add_global_plt): New function.
4371         (Output_data_got::add_local_plt): New function.
4372         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4373         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4374         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4375         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4376         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4377         IFUNC conditional.
4378         * testsuite/ifunc-sel.h: New file.
4379         * testsuite/ifuncmain1.c: New file.
4380         * testsuite/ifuncmain1vis.c: New file.
4381         * testsuite/ifuncmod1.c: New file.
4382         * testsuite/ifuncdep2.c: New file.
4383         * testsuite/ifuncmain2.c: New file.
4384         * testsuite/ifuncmain3.c: New file.
4385         * testsuite/ifuncmod3.c: New file.
4386         * testsuite/ifuncmain4.c: New file.
4387         * testsuite/ifuncmain5.c: New file.
4388         * testsuite/ifuncmod5.c: New file.
4389         * testsuite/ifuncmain6pie.c: New file.
4390         * testsuite/ifuncmod6.c: New file.
4391         * testsuite/ifuncmain7.c: New file.
4392         * configure, testsuite/Makefile.in: Rebuild.
4393
4394 2010-08-18  Ian Lance Taylor  <iant@google.com>
4395
4396         * incremental.cc
4397         (Output_section_incremental_inputs::write_input_files): Add cast
4398         to avoid signed/unsigned comparison warning.
4399         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4400
4401 2010-08-12  Cary Coutant  <ccoutant@google.com>
4402
4403         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4404
4405 2010-08-13  Ian Lance Taylor  <iant@google.com>
4406
4407         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4408
4409 2010-08-12  Cary Coutant  <ccoutant@google.com>
4410             Doug Kwan  <dougkwan@google.com>
4411
4412         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4413         defintion overrides non-weak undef, remember that the original undef
4414         is not weak.
4415         * symtab.cc (Symbol_table::sized_write_global): For undef without
4416         an original weak binding, set binding to global in output.
4417         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4418         * testsuite/Makefile.in: Regenerate.
4419         * testsuite/strong_ref_weak_def.sh: New file.
4420         * testsuite/strong_ref_weak_def_1.c: Ditto.
4421         * testsuite/strong_ref_weak_def_2.c: Ditto.
4422
4423 2010-08-12  Cary Coutant  <ccoutant@google.com>
4424
4425         * testsuite/incremental_test.sh: Rewrite.
4426         * testsuite/incremental_test_1.c: Rewrite.
4427         * testsuite/incremental_test_2.c: Rewrite.
4428
4429 2010-08-12  Cary Coutant  <ccoutant@google.com>
4430
4431         * arm.cc (Target_arm::got_size): Add const.
4432         (Target_arm::got_entry_count): New function.
4433         (Target_arm::plt_entry_count): New function.
4434         (Target_arm::first_plt_entry_offset): New function.
4435         (Target_arm::plt_entry_size): New function.
4436         (Output_data_plt_arm::entry_count): New function.
4437         (Output_data_plt_arm::first_plt_entry_offset): New function.
4438         (Output_data_plt_arm::get_plt_entry_size): New function.
4439         * i386.cc (Target_i386::got_size): Add const.
4440         (Target_i386::got_entry_count): New function.
4441         (Target_i386::plt_entry_count): New function.
4442         (Target_i386::first_plt_entry_offset): New function.
4443         (Target_i386::plt_entry_size): New function.
4444         (Output_data_plt_i386::entry_count): New function.
4445         (Output_data_plt_i386::first_plt_entry_offset): New function.
4446         (Output_data_plt_i386::get_plt_entry_size): New function.
4447         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4448         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4449         * incremental.cc: Include target.h.
4450         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4451         parameter.  Adjust all callers.  Find incremental_got_plt section.
4452         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4453         section.
4454         (Output_section_incremental_inputs::set_final_data_size): Calculate
4455         size of incremental_got_plt section.
4456         (Output_section_incremental_inputs::do_write): Write the
4457         incremental_got_plt section.
4458         (Got_plt_view_info): New struct.
4459         (Local_got_offset_visitor): New class.
4460         (Global_got_offset_visitor): New class.
4461         (Global_symbol_visitor_got_plt): New class.
4462         (Output_section_incremental_inputs::write_got_plt): New function.
4463         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4464         Add parameter.  Adjust all callers.
4465         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4466         (Incremental_inputs::got_plt_section): New function.
4467         (Incremental_inputs::got_plt_section_): New data member.
4468         (Incremental_got_plt_reader): New class.
4469         * layout.cc (Layout::create_incremental_info_sections): Add the
4470         incremental_got_plt section.
4471         * object.h (Got_offset_list::get_list): New function.
4472         (Got offset_list::for_all_got_offsets): New function.
4473         (Sized_relobj::local_got_offset_list): New function.
4474         * powerpc.cc (Target_powerpc::got_size): Add const.
4475         (Target_powerpc::got_entry_count): New function.
4476         (Target_powerpc::plt_entry_count): New function.
4477         (Target_powerpc::first_plt_entry_offset): New function.
4478         (Target_powerpc::plt_entry_size): New function.
4479         (Output_data_plt_powerpc::entry_count): New function.
4480         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4481         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4482         * sparc.cc (Target_sparc::got_size): Add const.
4483         (Target_sparc::got_entry_count): New function.
4484         (Target_sparc::plt_entry_count): New function.
4485         (Target_sparc::first_plt_entry_offset): New function.
4486         (Target_sparc::plt_entry_size): New function.
4487         (Output_data_plt_sparc::entry_count): New function.
4488         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4489         (Output_data_plt_sparc::get_plt_entry_size): New function.
4490         * symtab.h (Symbol::got_offset_list): New function.
4491         (Symbol_table::for_all_symbols): New function.
4492         * target.h (Sized_target::got_entry_count): New function.
4493         (Sized_target::plt_entry_count): New function.
4494         (Sized_target::plt_entry_size): New function.
4495         * x86_64.cc (Target_x86_64::got_size): Add const.
4496         (Target_x86_64::got_entry_count): New function.
4497         (Target_x86_64::plt_entry_count): New function.
4498         (Target_x86_64::first_plt_entry_offset): New function.
4499         (Target_x86_64::plt_entry_size): New function.
4500         (Output_data_plt_x86_64::entry_count): New function.
4501         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4502         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4503
4504 2010-08-12  Cary Coutant  <ccoutant@google.com>
4505
4506         * archive.cc: Include incremental.h.
4507         (Archive::Archive): Initialize incremental_info_.
4508         (Archive::include_member): Record archive members in incremental info.
4509         (Add_archive_symbols::run): Record begin and end of an archive in
4510         incremental info.
4511         (Lib_group::include_member): Record objects in incremental info.
4512         * archive.h (Incremental_archive_entry): Forward declaration.
4513         (Archive::set_incremental_info): New member function.
4514         (Archive::incremental_info): New member function.
4515         (Archive::Unused_symbol_iterator): New class.
4516         (Archive::unused_symbols_begin): New member function.
4517         (Archive::unused_symbols_end): New member function.
4518         (Archive::incremental_info_): New data member.
4519         * incremental-dump.cc (find_input_containing_global): New function.
4520         (dump_incremental_inputs): Dump new incremental info sections.
4521         * incremental.cc: Include symtab.h.
4522         (Output_section_incremental_inputs): New class.
4523         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4524         new incremental info sections.
4525         (Sized_incremental_binary::do_check_inputs): Likewise.
4526         (Incremental_inputs::report_archive): Remove.
4527         (Incremental_inputs::report_archive_begin): New function.
4528         (Incremental_inputs::report_archive_end): New function.
4529         (Incremental_inputs::report_object): New function.
4530         (Incremental_inputs::finalize_inputs): Remove.
4531         (Incremental_inputs::report_input_section): New function.
4532         (Incremental_inputs::report_script): Rewrite.
4533         (Incremental_inputs::finalize): Do nothing but finalize string table.
4534         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4535         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4536         (Incremental_inputs::create_data_sections): New function.
4537         (Incremental_inputs::relocs_entsize): New function.
4538         (Output_section_incremental_inputs::set_final_data_size): New function.
4539         (Output_section_incremental_inputs::do_write): New function.
4540         (Output_section_incremental_inputs::write_header): New function.
4541         (Output_section_incremental_inputs::write_input_files): New function.
4542         (Output_section_incremental_inputs::write_info_blocks): New function.
4543         (Output_section_incremental_inputs::write_symtab): New function.
4544         * incremental.h (Incremental_script_entry): Forward declaration.
4545         (Incremental_object_entry): Forward declaration.
4546         (Incremental_archive_entry): Forward declaration.
4547         (Incremental_inputs): Forward declaration.
4548         (Incremental_inputs_header_data): Remove.
4549         (Incremental_inputs_header): Remove.
4550         (Incremental_inputs_header_write): Remove.
4551         (Incremental_inputs_entry_data): Remove.
4552         (Incremental_inputs_entry): Remove.
4553         (Incremental_inputs_entry_write): Remove.
4554         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4555         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4556         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4557         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4558         Likewise.
4559         (Incremental_input_entry): New class.
4560         (Incremental_script_entry): New class.
4561         (Incremental_object_entry): New class.
4562         (Incremental_archive_entry): New class.
4563         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4564         (Incremental_inputs::report_inputs): Remove.
4565         (Incremental_inputs::report_archive): Remove.
4566         (Incremental_inputs::report_archive_begin): New function.
4567         (Incremental_inputs::report_archive_end): New function.
4568         (Incremental_inputs::report_object): Change prototype.
4569         (Incremental_inputs::report_input_section): New function.
4570         (Incremental_inputs::report_script): Change prototype.
4571         (Incremental_inputs::get_reloc_count): New function.
4572         (Incremental_inputs::set_reloc_count): New function.
4573         (Incremental_inputs::create_data_sections): New function.
4574         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4575         (Incremental_inputs::inputs_section): New function.
4576         (Incremental_inputs::symtab_section): New function.
4577         (Incremental_inputs::relocs_section): New function.
4578         (Incremental_inputs::get_stringpool): Add const.
4579         (Incremental_inputs::command_line): Add const.
4580         (Incremental_inputs::inputs): Remove.
4581         (Incremental_inputs::command_line_key): New function.
4582         (Incremental_inputs::input_file_count): New function.
4583         (Incremental_inputs::input_files): New function.
4584         (Incremental_inputs::relocs_entsize): New function.
4585         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4586         (Incremental_inputs::finalize_inputs): Remove.
4587         (Incremental_inputs::Input_info): Remove.
4588         (Incremental_inputs::lock_): Remove.
4589         (Incremental_inputs::inputs_): Change type.
4590         (Incremental_inputs::inputs_map_): Remove.
4591         (Incremental_inputs::current_object_entry_): New data member.
4592         (Incremental_inputs::inputs_section_): New data member.
4593         (Incremental_inputs::symtab_section_): New data member.
4594         (Incremental_inputs::relocs_section_): New data member.
4595         (Incremental_inputs::reloc_count_): New data member.
4596         (Incremental_inputs_reader): New class.
4597         (Incremental_symtab_reader): New class.
4598         (Incremental_relocs_reader): New class.
4599         * layout.cc (Layout::finalize): Move finalization of incremental info
4600         and creation of incremental info sections to follow finalization of
4601         symbol table.  Set offsets for postprocessing sections.
4602         (Layout::create_incremental_info_sections): Call
4603         Incremental_inputs::create_data_sections.  Add incremental symtab
4604         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4605         sections to layout after input sections.
4606         * layout.h (struct Timespec): Forward declaration.
4607         (Layout::incremental_inputs): Add const.
4608         (Layout::create_incremental_info_sections): Add parameter.
4609         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4610         * object.cc: Include incremental.h.
4611         (Relobj::finalize_incremental_relocs): New function.
4612         (Sized_relobj::do_layout): Record input sections in incremental info.
4613         * object.h (Object::output_section): New function.
4614         (Object::output_section_offset): Moved from Relobj.
4615         (Object::get_incremental_reloc_base): New function.
4616         (Object::get_incremental_reloc_count): New function.
4617         (Object::do_output_section): New function.
4618         (Object::do_output_section_offset): Moved from Relobj.
4619         (Object::do_get_incremental_reloc_base): New function.
4620         (Object::do_get_incremental_reloc_count): New function.
4621         (Object::Object): Initialize new data members.
4622         (Relobj::output_section): Renamed do_output_section and moved to
4623         protected.
4624         (Relobj::output_section_offset): Moved to Object.
4625         (Relobj::do_get_incremental_reloc_base): New function.
4626         (Relobj::do_get_incremental_reloc_count): New function.
4627         (Relobj::allocate_incremental_reloc_counts): New function.
4628         (Relobj::count_incremental_reloc): New function.
4629         (Relobj::finalize_incremental_relocs): New function.
4630         (Relobj::next_incremental_reloc_index): New function.
4631         (Relobj::reloc_counts_): New data member.
4632         (Relobj::reloc_bases_): New data member.
4633         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4634         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4635         (Sized_relobj::incremental_relocs_scan): New function.
4636         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4637         (Sized_relobj::incremental_relocs_write): New function.
4638         (Sized_relobj::incremental_relocs_write_reltype): New function.
4639         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4640         incremental link.
4641         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4642         archives and object files elsewhere.
4643         (Add_symbols::run): Report object files here.
4644         (Finish_group::run): Report end of archive at end of group.
4645         * reloc.cc: Include layout.h, incremental.h.
4646         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4647         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4648         (Sized_relobj::incremental_relocs_scan): New function.
4649         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4650         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4651         (Sized_relobj::incremental_relocs_write): New function.
4652         (Sized_relobj::incremental_relocs_write_reltype): New function.
4653         * script.cc (read_input_script): Rewrite test for incremental link.
4654         Change call to Incremental_inputs::report_script.
4655         * symtab.h (Symbol_table::first_global_index): New function.
4656         (Symbol_table::output_count): New function.
4657
4658 2010-08-12  Doug Kwan  <dougkwan@google.com>
4659
4660         * arm.cc (Target_arm::merge_object_attributes): Check command line
4661         options --no-wchar-size-warning and --no-enum-size-warning.
4662         * options.h (General_options): Add ld-compatible options
4663         --no-enum-size-warning and --no-wchar-size-warning.
4664
4665 2010-08-04  Ian Lance Taylor  <iant@google.com>
4666
4667         * x86_64.cc (Target_x86_64::Scan::local): Use
4668         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4669         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4670         (Target_x86_64::Scan::global): Likewise.
4671         (Target_x86_64::Relocate::relocate): Likewise.
4672         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4673         Likewise.
4674
4675 2010-08-03  Cary Coutant  <ccoutant@google.com>
4676
4677         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4678         to reserve space in merged_strings vector. Keep total input size
4679         for stats.
4680         (Output_merge_string::do_print_merge_stats): Print total input size.
4681         * merge.h (Output_merge_string): Add input_size_ field.
4682         * stringpool.cc (Stringpool_template::string_length): Move
4683         implementations out of Stringpool_template class and place in
4684         stringpool.h.
4685         * stringpool.h (string_length): Move out of Stringpool_template.
4686
4687 2010-08-03  Ian Lance Taylor  <iant@google.com>
4688
4689         PR 11712
4690         * layout.cc (relaxation_loop_body): If address of load segment is
4691         set, adjust address to include headers if possible.
4692
4693 2010-08-03  Ian Lance Taylor  <iant@google.com>
4694
4695         * version.cc (version_string): Bump to 1.10.
4696
4697 2010-08-03  Ian Lance Taylor  <iant@google.com>
4698
4699         PR 11805
4700         * layout.h (enum Output_section_order): Define.
4701         (class Layout): Update declarations.
4702         * layout.cc (Layout::get_output_section): Add order parameter.
4703         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4704         is_first_non_relro parameters.  Change all callers.
4705         (Layout::choose_output_section): Likewise.
4706         (Layout::add_output_section_data): Likewise.
4707         (Layout::make_output_section): Likewise.  Set order.
4708         (Layout::default_section_order): New function.
4709         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4710         * output.cc (Output_section::Output_section): Initialize order_.
4711         Don't initialize deleted fields.
4712         (Output_segment::Output_segment): Don't initialize deleted
4713         fields.
4714         (Output_segment::add_output_section_to_load): New function
4715         replacing add_output_section.  Change all callers to call this or
4716         add_output_section_to_nonload.
4717         (Output_segment::add_output_section_to_nonload): New function.
4718         (Output_segment::remove_output_section): Rewrite.
4719         (Output_segment::add_initial_output_data): Likewise.
4720         (Output_segment::has_any_data_sections): Likewise.
4721         (Output_segment::is_first_section_relro): Likewise.
4722         (Output_segment::maximum_alignment): Likewise.
4723         (Output_segment::has_dynamic_reloc): New function replacing
4724         dynamic_reloc_count.  Change all callers.
4725         (Output_segment::has_dynamic_reloc_list): New function replacing
4726         dynamic_reloc_count_list.  Change all callers.
4727         (Output_segment::set_section_addresses): Rewrite.
4728         (Output_segment::set_offset): Rewrite.
4729         (Output_segment::find_first_and_last_list): Remove.
4730         (Output_segment::set_tls_offsets): Rewrite.
4731         (Output_segment::first_section_load_address): Likewise.
4732         (Output_segment::output_section_count): Likewise.
4733         (Output_segment::section_with_lowest_load_address): Likewise.
4734         (Output_segment::write_section_headers): Likewise.
4735         (Output_segment::print_sections_to_map): Likewise.
4736         * output.h (class Output_data): Remove dynamic_reloc_count_
4737         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4738         (Output_data::add_dynamic_reloc): Rewrite.
4739         (Output_data::has_dynamic_reloc): New function.
4740         (Output_data::dynamic_reloc_count): Remove.
4741         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4742         is_last_relro_, is_first_non_relro_, is_interp_,
4743         is_dynamic_linker_section_ fields.  Add order and set_order
4744         functions.  Remove is_relro_local, set_is_relro_local,
4745         is_last_relro, set_is_last_relro, is_first_non_relro,
4746         set_is_first_non_relro functions, is_interp, set_is_interp,
4747         is_dynamic_linker_section, and set_is_dynamic_linker_section
4748         functions.
4749         (class Output_segment): Change Output_data_list from std::list to
4750         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4751         output_bss_ fields.  Update declarations.
4752
4753 2010-08-02  Ian Lance Taylor  <iant@google.com>
4754
4755         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4756         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4757         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4758
4759 2010-08-02  Ian Lance Taylor  <iant@google.com>
4760
4761         PR 11855
4762         * script.cc (Script_options::Script_options): Initialize
4763         symbol_definitions_ and symbol_references_.
4764         (Script_options::add_symbol_assignment): Update
4765         symbol_definitions_ and symbol_references_.
4766         (Script_options::add_symbol_reference): New function.
4767         (script_symbol): New function.
4768         * script.h (class Script_options): Add symbol_definitions_ and
4769         symbol_references_ fields.
4770         (Script_options::referenced_const_iterator): New type.
4771         (Script_options::referenced_begin): New function.
4772         (Script_options::referenced_end): New function.
4773         (Script_options::is_referenced): New function.
4774         (Script_options::any_unreferenced): New function.
4775         * script-c.h (script_symbol): Declare.
4776         * yyscript.y (exp): Call script_symbol.
4777         * symtab.cc: Include "script.h".
4778         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4779         Change all callers.  Check symbols referenced by scripts.
4780         (Symbol_table::add_undefined_symbols_from_command_line): Add
4781         layout parameter.  Change all callers.
4782         (Symbol_table::do_add_undefined_symbols_from_command_line):
4783         Likewise.  Break out loop body.  Check symbols referenced by
4784         scripts.
4785         (Symbol_table::add_undefined_symbol_from_command_line): New
4786         function broken out of
4787         do_add_undefined_symbols_from_command_line.
4788         * symtab.h (class Symbol_table): Update declarations.
4789         * archive.cc: Include "layout.h".
4790         (Archive::should_include_member): Add layout parameter.  Change
4791         all callers.  Check for symbol mentioned in expression.
4792         * archive.h (class Archive): Update declaration.
4793         * object.cc (Sized_relobj::do_should_include_member): Add layout
4794         parameter.
4795         * object.h (Object::should_include_member): Add layout parameter.
4796         Change all callers.
4797         (Object::do_should_include_member): Add layout parameter.
4798         (class Sized_relobj): Update declaration.
4799         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4800         parameter.
4801         * dynobj.h (class Sized_dynobj): Update declaration.
4802         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4803         layout parameter.
4804         * plugin.h (class Sized_pluginobj): Update declaration.
4805
4806 2010-08-02  Ian Lance Taylor  <iant@google.com>
4807
4808         PR 11866
4809         * output.cc (Output_segment::set_offset): Search for the first and
4810         last sections rather than assuming that the list is in order.
4811         (Output_segment::find_first_and_last_list): New function.
4812         * output.h (class Output_segment): Update declarations.
4813         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4814         (relro_strip_test_SOURCES): New variable.
4815         (relro_strip_test_DEPENDENCIES): New variable.
4816         (relro_strip_test_LDFLAGS): New variable.
4817         (relro_strip_test_LDADD): New variable.
4818         (relro_strip_test.so): New target.
4819
4820 2010-08-02  Ian Lance Taylor  <iant@google.com>
4821
4822         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4823         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4824         (Target_i386::got_tlsdesc_section): New function.
4825         (Target_i386::got_section): Create space for GOT entries for
4826         TLSDESC relocations.
4827         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4828         R_386_TLS_GOTDESC.
4829         (Target_i386::Scan::global): Likewise.
4830         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4831         using TLSDESC GOT.
4832         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4833         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4834         (Target_x86_64::got_tlsdesc_section): New function.
4835         (Target_x86_64::got_section): Create space for GOT entries for
4836         TLSDESC relocations.
4837         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4838         R_386_TLS_GOTDESC.
4839         (Target_x86_64::Scan::global): Likewise.
4840         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4841         using TLSDESC GOT.
4842
4843 2010-08-02  Ian Lance Taylor  <iant@google.com>
4844
4845         * testsuite/final_layout.sh: Use dc to convert from hex to
4846         decimal.
4847
4848 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4849
4850         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4851         paramter to the call to gold::gc_process_relocs.
4852         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4853         paramter to the call to gold::gc_process_relocs.
4854         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4855         parameter to the call to gold::gc_process_relocs.
4856         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4857         template parameter to the call to gold::gc_process_relocs.
4858         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4859         paramter to the call to gold::gc_process_relocs.
4860         * gc.h (get_embedded_addend_size): New function.
4861         (gc_process_relocs): Save the size of the reloc for use by ICF.
4862         * icf.cc (get_section_contents): Get the addend from the text section
4863         for SHT_REL relocation sections.
4864         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4865         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4866         * int_encoding.h (read_from_pointer): New overloaded function.
4867         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4868         * testsuite/icf_sht_rel_addend_test.sh: New file.
4869         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4870         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4871
4872 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4873
4874         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4875         * Makefile.in: Regenerate.
4876         * testsuite/Makefile.in: Regenerate.
4877
4878 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4879
4880         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4881         * gold/testsuite/debug_msg.cc: Likewise.
4882         * gold/testsuite/odr_violation1.cc
4883         * gold/testsuite/odr_violation2.cc
4884
4885 2010-07-21  Cary Coutant  <ccoutant@google.com>
4886
4887         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4888         string, and length fields.
4889         (Output_merge_string::Merged_strings_list): New type.
4890         (Output_merge_string::Merged_strings_lists): New typedef.
4891         (Output_merge_string): Replace merged_strings_ with
4892         merged_strings_lists_.
4893         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4894         Merged_strings_list per input object and section.  Don't store pointer
4895         to the string.  Don't store length with each merged string entry.
4896         (Output_merge_string::finalize_merged_data): Loop over list of merged
4897         strings lists.  Recompute length of each merged string.
4898
4899 2010-07-15  Cary Coutant  <ccoutant@google.com>
4900
4901         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4902         here.
4903
4904 2010-07-14  Ian Lance Taylor  <iant@google.com>
4905
4906         * descriptors.cc (Descriptors::open): Report correct name in error
4907         message.
4908
4909 2010-07-13  Doug Kwan  <dougkwan@google.com>
4910
4911         * arm.cc (Arm_input_section::Arm_input_section): For a
4912         SHT_ARM_EXIDX section, always keeps the input sections.
4913         (Arm_input_section::set_exidx_section_link): New method.
4914         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4915         has_errors_ to false.
4916         (Arm_exidx_input_section::has_errors,
4917         Arm_exidx_input_section::set_has_errors): New methods.
4918         (Arm_exidx_input_section::has_errors_): New data member.
4919         (Arm_relobj::get_exidx_shndx_list): New method.
4920         (Arm_output_section::append_text_sections_to_list): Do not skip
4921         section without SHF_EXECINSTR.
4922         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4923         errors.
4924         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4925         section header.  Make error messages more verbose.  Check for
4926         a non-executable section linked to an EXIDX section.
4927         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4928         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4929         check that there is no deferred EXIDX section if we exit early.
4930         Instead of not making an EXIDX section in case of an error, make one
4931         and set the has_errors flag of it.
4932         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4933         in a relocatable link.
4934         (Target_arm::do_relax): Look for the EXIDX output section instead of
4935         assuming that it is called .ARM.exidx.
4936         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4937         section list.  Do not check for SHF_EXECINSTR section flags but
4938         skip any input section with errors.
4939         * output.cc (Output_section::Output_section): Initialize
4940         always_keeps_input_sections_ to false.
4941         (Output_section::add_input_section): Check for
4942         always_keeps_input_sections_.
4943         *  output.h (Output_section::always_keeps_input_sections,
4944         Output_section::set_always_keeps_input_sections): New methods.
4945         (Output_section::always_keeps_input_sections): New data member.
4946
4947 2010-07-13  Rafael Espindola  <espindola@google.com>
4948
4949         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4950         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4951
4952 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4953             Ian Lance Taylor  <iant@google.com>
4954
4955         * output.h (Output_section_lookup_maps::add_merge_section):
4956         Correct check of whether value was inserted.
4957         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4958         (Output_section_lookup_maps::add_relaxed_input_section):
4959         Likewise.
4960         * arm.cc (Target_arm::got_section): Remove used local os.
4961         * i386.cc (Target_i386::got_section): Likewise.
4962         * x86_64.cc (Target_x86_64::got_section): Likewise.
4963         * sparc.cc (Target_sparc::got_section): Likewise.
4964         (Target_sparc::relocate): Remove unused local have_got_offset.
4965         * powerpc.cc (Target_powerpc::relocate): Likewise.
4966
4967 2010-07-13  Ian Lance Taylor  <iant@google.com>
4968
4969         * compressed_output.cc (zlib_decompress): Fix signature in
4970         !HAVE_ZLIB_H case.
4971
4972         * archive.cc (Archive::include_member): Unlock an external member
4973         of a thin archive.  Don't bother to delete an object we know is
4974         NULL.
4975
4976 2010-07-12  Cary Coutant  <ccoutant@google.com>
4977
4978         * compressed_output.cc (zlib_decompress): New function.
4979         (get_uncompressed_size): New function.
4980         (decompress_input_section): New function.
4981         * compressed_output.h (get_uncompressed_size): New function.
4982         (decompress_input_section): New function.
4983         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4984         Handle compressed debug sections.
4985         * layout.cc (is_compressed_debug_section): New function.
4986         (Layout::output_section_name): Map compressed section names to
4987         canonical names.
4988         * layout.h (is_compressed_debug_section): New function.
4989         (is_debug_info_section): Recognize compressed debug sections.
4990         * merge.cc: Include compressed_output.h.
4991         (Output_merge_data::do_add_input_section): Handle compressed
4992         debug sections.
4993         (Output_merge_string::do_add_input_section): Handle compressed
4994         debug sections.
4995         * object.cc: Include compressed_output.h.
4996         (Sized_relobj::Sized_relobj): Initialize new data members.
4997         (build_compressed_section_map): New function.
4998         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4999         * object.h (Object::section_is_compressed): New method.
5000         (Object::do_section_is_compressed): New method.
5001         (Sized_relobj::Compressed_section_map): New type.
5002         (Sized_relobj::do_section_is_compressed): New method.
5003         (Sized_relobj::compressed_sections_): New data member.
5004         * output.cc (Output_section::add_input_section): Handle compressed
5005         debug sections.
5006         * reloc.cc: Include compressed_output.h.
5007         (Sized_relobj::write_sections): Handle compressed debug sections.
5008
5009 2010-07-08  Cary Coutant  <ccoutant@google.com>
5010
5011         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5012         weak when resolving to a dynamic def.
5013         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5014         for weak undef/dynamic def cases. Adjust callers.
5015         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5016         undef_binding_weak_.
5017         (Symbol_table::sized_write_globals): Adjust symbol binding.
5018         (Symbol_table::sized_write_symbol): Add binding parameter.
5019         * symtab.h (Symbol::set_undef_binding): New method.
5020         (Symbol::is_undef_binding_weak): New method.
5021         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5022         (Symbol_table::should_override): Add new parameter.
5023         (Symbol_table::sized_write_symbol): Add new parameter.
5024
5025         * testsuite/weak_undef_file1.cc: Add new test case.
5026         * testsuite/weak_undef_file2.cc: Fix header comment.
5027         * testsuite/weak_undef_test.cc: Add new test case.
5028
5029 2010-06-29  Doug Kwan  <dougkwan@google.com>
5030
5031         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5032         Initialize USE_SYMBOL_.
5033         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5034         definition.
5035         (Arm_reloc_property::uses_symbol_): New data member declaration.
5036         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5037         uses symbol value and symbol is undefined but not weakly undefined.
5038
5039 2010-06-28  Rafael Espindola  <espindola@google.com>
5040
5041         * plugin.cc (Plugin::load): Use dlerror.
5042
5043 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5044
5045         * symtab.cc (detect_odr_violations): When reporting an ODR
5046         violation, report an object where the symbol is defined.
5047
5048 2010-06-25  Doug Kwan  <dougkwan@google.com>
5049
5050         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5051         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5052         definition.
5053         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5054         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5055         target hook to detect function points.
5056         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5057         * icf.h (Icf::check_section_for_function_pointers): Change type of
5058         parameter SECTION_NAME to const reference to std::string.  Use
5059         target hook to determine if section may have unsafe pointers.
5060         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5061         method definition.
5062
5063 2010-06-21  Rafael Espindola  <espindola@google.com>
5064
5065         * fileread.cc (Input_file::find_fie): New
5066         (Input_file::open): Use Input_file::find_fie.
5067         * fileread.h (Input_file::find_fie): New
5068         * plugin.cc (set_extra_library_path): New.
5069         (Plugin::load): Add set_extra_library_path to the transfer vector.
5070         (Plugin_manager::set_extra_library_path): New.
5071         (Plugin_manager::add_input_file): Use the extra search path if set.
5072         (set_extra_library_path(): New.
5073         * plugin.h (Plugin_manager): Add set_extra_library_path and
5074         extra_search_path_.
5075
5076 2010-06-19  Cary Coutant  <ccoutant@google.com>
5077
5078         * layout.cc (gdb_sections): Add .debug_types.
5079         (lines_only_debug_sections): Likewise.
5080
5081 2010-06-18  Rafael Espindola  <espindola@google.com>
5082
5083         * plugin.cc (add_input_file,add_input_library)
5084         (Plugin_manager::add_input_file): Make filename arguments const.
5085         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5086         const.
5087
5088 2010-06-16  Doug Kwan  <dougkwan@google.com>
5089
5090         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5091         .ARM.attributes section if we have not merged any input
5092         attributes sections.
5093
5094 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5095
5096         * arm.cc: Allow combining objects with no EABI version
5097         information.
5098
5099 2010-06-15  Rafael Espindola  <espindola@google.com>
5100
5101         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5102
5103 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5104
5105         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5106         (struct iovec): Correct !HAVE_READV definition.
5107
5108 2010-06-10  Cary Coutant  <ccoutant@google.com>
5109
5110         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5111         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5112         reloc sections.
5113         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5114
5115         PR 11683
5116         * symtab.h (Symbol::is_placeholder): New member function.
5117         * target-reloc.h (relocate_section): Check for placeholder symbols.
5118
5119         * testsuite/Makefile.am (plugin_test_8): New test.
5120         (plugin_test_9): New test.
5121         * testsuite/Makefile.in: Regenerate.
5122
5123 2010-06-09  Nick Clifton  <nickc@redhat.com>
5124
5125         * yyscript.y (input_list_element): Allow strings prefixed with
5126         the '-' character.  Treat these as libraries.
5127         * script.cc (script_add_library): New function.  Adds a library
5128         specified by "-l<name>" found in an input script.
5129         * script-c.h: Add prototype for script_add_library.
5130
5131 2010-06-07  Doug Kwan  <dougkwan@google.com>
5132
5133         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5134         Restrict stub-group size to be within long conditional branch
5135         range when working around cortex-A8 erratum.
5136
5137 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5138
5139         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5140         #ifdef typo.
5141
5142 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5143
5144         PR gold/11658
5145         * output.cc
5146         (Output_section::Input_section_sort_entry::compare_section_ordering):
5147         Change to return non-zero correctly.
5148         (Output_section::Input_section_sort_section_order_index_compare
5149         ::operator()): Change to fix ambiguity in comparisons.
5150
5151 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5152
5153         * gold.h (is_wildcard_string): New function.
5154         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5155         (Layout::layout_eh_frame): Ditto.
5156         (Layout::find_section_order_index): New method.
5157         (Layout::read_layout_from_file): New method.
5158         * layout.h (Layout::find_section_order_index): New method.
5159         (Layout::read_layout_from_file): New method.
5160         (Layout::input_section_position_): New private member.
5161         (Layout::input_section_glob_): New private member.
5162         * main.cc (main): Call read_layout_from_file here.
5163         * options.h (--section-ordering-file): New option.
5164         * output.cc (Output_section::input_section_order_specified_): New
5165         member.
5166         (Output_section::Output_section): Initialize new member.
5167         (Output_section::add_input_section): Add new parameter.
5168         Keep input sections when --section-ordering-file is used.
5169         (Output_section::set_final_data_size): Sort input sections when
5170         section ordering file is specified.
5171         (Output_section::Input_section_sort_entry): Add new parameter.
5172         Check sorting type.
5173         (Output_section::Input_section_sort_entry::compare_section_ordering):
5174         New method.
5175         (Output_section::Input_section_sort_compare::operator()): Change to
5176         consider section_order_index.
5177         (Output_section::Input_section_sort_init_fini_compare::operator()):
5178         Change to consider section_order_index.
5179         (Output_section::Input_section_sort_section_order_index_compare
5180         ::operator()): New method.
5181         (Output_section::sort_attached_input_sections): Change to sort
5182         according to section order when specified.
5183         (Output_section::add_input_section<32, true>): Add new parameter.
5184         (Output_section::add_input_section<64, true>): Add new parameter.
5185         (Output_section::add_input_section<32, false>): Add new parameter.
5186         (Output_section::add_input_section<64, false>): Add new parameter.
5187         * output.h (Output_section::add_input_section): Add new parameter.
5188         (Output_section::input_section_order_specified): New
5189         method.
5190         (Output_section::set_input_section_order_specified): New method.
5191         (Input_section::Input_section): Initialize section_order_index_.
5192         (Input_section::section_order_index): New method.
5193         (Input_section::set_section_order_index): New method.
5194         (Input_section::section_order_index_): New member.
5195         (Input_section::Input_section_sort_section_order_index_compare): New
5196         struct.
5197         (Output_section::input_section_order_specified_): New member.
5198         * script-sections.cc (is_wildcard_string): Delete and move modified
5199         method to gold.h.
5200         (Output_section_element_input::Output_section_element_input): Modify
5201         call to is_wildcard_string.
5202         (Output_section_element_input::Input_section_pattern
5203         ::Input_section_pattern): Ditto.
5204         (Output_section_element_input::Output_section_element_input): Ditto.
5205         * testsuite/Makefile.am (final_layout): New test case.
5206         * testsuite/Makefile.in: Regenerate.
5207         * testsuite/final_layout.cc: New file.
5208         * testsuite/final_layout.sh: New file.
5209
5210 2010-06-01  Rafael Espindola  <espindola@google.com>
5211
5212         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5213
5214 2010-06-01  Rafael Espindola  <espindola@google.com>
5215
5216         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5217         visibility of symbols.
5218
5219 2010-05-27  Doug Kwan  <dougkwan@google.com>
5220
5221         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5222         from start of output section instead of address for a local symbol
5223         in a merged or relaxed section when doing a relocatable link.
5224
5225 2010-05-26  Rafael Espindola  <espindola@google.com>
5226
5227        PR 11604
5228         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5229         adding sections the garbage collector removed.
5230         * gold/testsuite/Makefile.am: Add test.
5231         * gold/testsuite/Makefile.in: Regenerate.
5232         * gold/testsuite/plugin_test_7.sh: New.
5233         * gold/testsuite/plugin_test_7_1.c: New.
5234         * gold/testsuite/plugin_test_7_2.c: New.
5235
5236 2010-05-26  Rafael Espindola  <espindola@google.com>
5237
5238         * script-sections.cc (Output_section_definition::set_section_addresses):
5239         Check for --section-start.
5240
5241 2010-05-26  Doug Kwan  <dougkwan@google.com>
5242
5243         * arm.cc (Arm_scan_relocatable_relocs): New class.
5244         (Target_arm::relocate_special_relocatable): New method.
5245         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5246         (Arm_relocate_functions::thumb_branch_common): Same.
5247         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5248         instead of Default_scan_relocatable_relocs.
5249         * target-reloc.h (relocate_for_relocatable): Let target handle
5250         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5251         * target.h (Sized_target::relocate_special_relocatable): New method.
5252
5253 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5254
5255         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5256
5257 2010-05-23  Doug Kwan  <dougkwan@google.com>
5258
5259         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5260         instead of a cast.
5261         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5262         with a direct branch, not a conditional branch, to a stub.
5263         * merge.cc (Output_merge_base::record_input_section): New method
5264         defintion.
5265         (Output_merge_data::do_add_input_section): Record input section if
5266         keeps-input-sections flag is set.
5267         (Output_merge_string::do_add_input_section): Ditto.
5268         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5269         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5270         INPUT_SECTIONS_.
5271         (Output_merge_base::keeps_input_sections,
5272         Output_merge_base::set_keeps_input_sections,
5273         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5274         method definitions.
5275         (Output_merge_base::Input_sections): New type declaration.
5276         (Output_merge_base::input_sections_begin,
5277         Output_merge_base::input_sections_end,
5278         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5279         (Output_merge_base::bool keeps_input_sections_,
5280         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5281         Output_merge_base::input_sections_): New data members.
5282         (Output_merge_data::do_set_keeps_input_sections): New method
5283         defintion.
5284         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5285         * output.cc (Output_section::Input_section::relobj): Move method
5286         defintion from class declaration to here and handle merge sections.
5287         (Output_section::Input_section::shndx): Ditto.
5288         (Output_section::Output_section): Remove initializations of removed
5289         data members and initialize new data member LOOKUP_MAPS_.
5290         (Output_section::add_input_section): Set keeps-input-sections flag
5291         for a newly created merge output section as appropriate.  Adjust code
5292         to use Output_section_lookup_maps class.
5293         (Output_section::add_relaxed_input_section): Adjst code for lookup
5294         maps code refactoring.
5295         (Output_section::add_merge_input_section): Add a new parameter
5296         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5297         class.  If adding input section to a newly created merge output
5298         section fails, remove the new merge section.
5299         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5300         Adjust code for use of the Output_section_lookup_maps class.
5301         (Output_section::find_merge_section): Ditto.
5302         (Output_section::build_lookup_maps): New method defintion.
5303         (Output_section::find_relaxed_input_section): Adjust code to use
5304         Output_section_lookup_maps class.
5305         (Output_section::get_input_sections): Export merge sections.  Adjust
5306         code to use Output_section_lookup_maps class.
5307         (Output_section:::add_script_input_section): Adjust code to use
5308         Output_section_lookup_maps class.  Update lookup maps for merge
5309         sections also.
5310         (Output_section::discard_states): Use Output_section_lookup_maps.
5311         (Output_section::restore_states): Same.
5312         * output.h (Merge_section_properties): Move class defintion out of
5313         Output_section.
5314         (Output_section_lookup_maps): New class.
5315         (Output_section::Input_section::is_merge_section): New method
5316         defintion.
5317         (Output_section::Input_section::relobj): Move defintion out of class
5318         defintion.  Declare method only.
5319         (Output_section::Input_section::shndx): Ditto.
5320         (Output_section::Input_section::output_merge_base): New method defintion.
5321         (Output_section::Input_section::u2_.pomb): New union field.
5322         (Output_section::Merge_section_by_properties_map,
5323         Output_section::Output_section_data_by_input_section_map,
5324         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5325         Remove types.
5326         (Output_section::add_merge_input_section): Add new parameter
5327         KEEPS_INPUT_SECTIONS.
5328         (Output_section::build_lookup_maps): New method declaration.
5329         (Output_section::merge_section_map_,
5330         Output_section::merge_section_by_properties_map_,
5331         Output_section::relaxed_input_section_map_,
5332         Output_section::is_relaxed_input_section_map_valid_): Remove data
5333         members.
5334         (Output_section::lookup_maps_): New data member.
5335
5336 2010-05-21  Doug Kwan  <dougkwan@google.com>
5337
5338         PR gold/11619
5339         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5340         avoid a compilation error.
5341
5342 2010-05-19  Rafael Espindola  <espindola@google.com>
5343
5344         * script-sections.cc (Output_section_definition::allocate_to_segment):
5345         Update the phdrs_list even when the output section is NULL.
5346         * testsuite/Makefile.am: Add test.
5347         * testsuite/Makefile.in: Regenerate.
5348         * testsuite/script_test_9.cc: New.
5349         * testsuite/script_test_9.sh: New.
5350         * testsuite/script_test_9.t: New.
5351
5352 2010-05-19  Doug Kwan  <dougkwan@google.com>
5353
5354         * arm.cc (Arm_input_section::original_size): New method.
5355         (Arm_input_section::do_addralign): Add a cast.
5356         (Arm_input_section::do_output_offset): Remove static cast.
5357         (Arm_input_section::original_addralign,
5358          Arm_input_section::original_size_): Change type to uint32_t.
5359         (Arm_input_section::init): Add safe casts for section alignment
5360         and size.
5361         (Arm_input_section::set_final_data_size): Do not set address and
5362         offset of stub table.
5363         (Arm_output_section::fix_exidx_coverage): Change use of of
5364         Output_section::Simple_input_section to that of
5365         Output_section::Input_section.
5366         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5367         except for the first pass.
5368         * output.cc (Output_section::get_input_sections): Change type of
5369         input_sections to std::list<Input_section>.
5370         (Output_section::add_script_input_section): Rename from
5371         Output_section::add_simple_input_section.  Change type of SIS
5372         parameter from Simple_input_section to Input_section.
5373         * output.h (Output_section::Simple_input_section): Remove class.
5374         (Output_section::Input_section): Change class visibility to public.
5375         (Output_section::Input_section::addralign): Use stored alignments
5376         for special input sections if set.
5377         (Output_section::Input_section::set_addralign): New method.
5378         (Output_section::get_input_sections): Change parameter type from
5379         list of Simple_input_section to list of Input_section.
5380         (Output_section::add_script_input_section): Rename from
5381         Output_section::add_simple_input_section. Change first parameter's
5382         type from Simple_input_section to Input_section and remove the
5383         second and third parameters.
5384         * script-sections.cc (Input_section::Input_section_list): Change
5385         type to list of Output_section::Input_section/
5386         (Input_section_info::Input_section_info): Change parameter type of
5387         INPUT_SECTION to Output_section::Input_section.
5388         (Input_section_info::input_section): Change return type.
5389         (Input_section_info::input_section_): Change type to
5390         Output_section::Input_section.
5391         (Output_section_element_input::set_section_addresses): Adjust code
5392         to use Output_section::Input_section instead of
5393         Output_section::Simple_input_section.  Adjust code for renaming
5394         of Output_section::add_simple_input_section.
5395         (Orphan_output_section::set_section_addresses): Ditto.
5396
5397 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5398
5399         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5400         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5401
5402 2010-05-18  Rafael Espindola  <espindola@google.com>
5403
5404         * options.cc (General_options::finalize): Handle -nostdlib.
5405         * options.h (nostdlib): New option.
5406         * script.cc (script_add_search_dir): Handle -nostdlib.
5407
5408 2010-05-12  Doug Kwan  <dougkwan@google.com>
5409
5410         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5411         attributes section only if there no attributes section after merging.
5412         (Target_arm::merge_object_attributes): Move value of
5413         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5414         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5415         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5416         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5417         and arm_attr_merge_7.stdout.
5418         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5419         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5420         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5421         arm_attr_merge_7b.o): New rules.
5422         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5423         arm_attr_merge_7
5424         * testsuite/Makefile.in: Regenerate.
5425         * testsuite/arm_attr_merge.sh: New file.
5426         * testsuite/arm_attr_merge_[67][ab].s: Same.
5427
5428 2010-05-05  Nick Clifton  <nickc@redhat.com>
5429
5430         * po/es.po: Updated Spanish translation.
5431
5432 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5433
5434         * Makefile.am (install-exec-local): Properly install gold as
5435         default cross linker.
5436         * Makefile.in: Regenerated.
5437
5438 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5439             Nick Clifton  <nickc@redhat.com>
5440
5441         * configure.ac (install_as_default): Define and set to false
5442         unless --enable-gold or --enable-gold=both/gold has been
5443         specified.
5444         * configure: Regenerate.
5445
5446         * Makefile.am (install-exec-local): Install the executable as
5447         'ld.gold'.  If install_as_default is true then also install it as
5448         'ld'.
5449         * Makefile.in: Regenerated.
5450
5451 2010-04-24  Ian Lance Taylor  <iant@google.com>
5452
5453         * layout.cc (Layout::layout_reloc): In relocatable link don't
5454         combine reloc sections for grouped sections.
5455
5456 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5457
5458         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5459         sections that are not ordinary to icf.
5460         * icf.cc (get_section_contents): Handle relocation pointing to section
5461         with no object or shndx information.
5462         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5463         * testsuite/Makefile.in: Regenerate.
5464         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5465         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5466
5467 2010-04-22  Ian Lance Taylor  <iant@google.com>
5468
5469         * expression.cc (Expression::Expression_eval_info): Add
5470         result_alignment_pointer field.
5471         (Expression::eval_with_dot): Add result_alignment_pointer
5472         parameter.  Change all callers.
5473         (Expression::eval_maybe_dot): Likewise.
5474         (class Binary_expression): Add alignment_pointer parameter to
5475         left_value and right_value.  Change all callers.
5476         (BINARY_EXPRESSION): Set result alignment.
5477         (class Trinary_expression): Add alignment_pointer parameter to
5478         arg2_value and arg3_value.  Change all callers.
5479         (Trinary_cond::value): Set result alignment.
5480         (Max_expression::value, Min_expression::value): Likewise.
5481         (Align_expression::value): Likewise.
5482         * script-sections.cc (class Sections_element): Add dot_alignment
5483         parameter to set_section_addresses virtual function.  Update
5484         instantiations.
5485         (class Output_section_element): Likewise.
5486         (Script_sections::create_segments): Add dot_alignment parameter.
5487         Change all callers.
5488         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5489         (Script_sections::set_phdrs_clause_addresses): Likewise.
5490         * script-sections.h: Update declarations.
5491         * script.h: Update declarations.
5492         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5493         min_p_align.
5494         * testsuite/script_test_3.t: Set large alignment.
5495         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5496         segment has expected alignment.
5497
5498 2010-04-22  Nick Clifton  <nickc@redhat.com>
5499
5500         * po/gold.pot: Updated by the Translation project.
5501         * po/vi.po: Updated Vietnamese translation.
5502
5503 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5504
5505         * testsuite/Makefile.am (check_PROGRAMS): Add
5506         icf_virtual_function_folding_test.
5507         * testsuite/Makefile.in: Regenerated.
5508
5509 2010-04-15  Andrew Haley  <aph@redhat.com>
5510
5511         * options.h (merge_exidx_entries): New option.
5512         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5513         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5514         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5515         (Target_arm::merge_exidx_entries): New function.
5516         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5517         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5518         to Arm_exidx_fixup constructor.
5519         Add new arg, merge_exidx_entries.
5520         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5521         Arm_output_section::fix_exidx_coverage.
5522
5523 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5524
5525         * icf.cc (get_section_contents): Check for preemptible functions.
5526         Ignore addend when appropriate.
5527         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5528         section folded.
5529         (add_from_relobj): Check for section folded.
5530         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5531         * symtab.h (should_add_dynsym_entry): Add new parameter.
5532         * target-reloc.h (scan_relocs): Check for section folded.
5533         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5534         Check reloc types for function pointers in shared objects.
5535         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5536         case.
5537         (icf_preemptible_functions_test): New test case.
5538         (icf_string_merge_test): New test case.
5539         * testsuite.Makefile.in: Regenerate.
5540         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5541         bar_glob.  Refactor code.
5542         * testsuite/icf_preemptible_functions_test.cc: New file.
5543         * testsuite/icf_preemptible_functions_test.sh: New file.
5544         * testsuite/icf_string_merge_test.cc: New file.
5545         * testsuite/icf_string_merge_test.sh: New file.
5546         * testsuite/icf_virtual_function_folding_test.cc: New file.
5547         * testsuite/icf_virtual_function_folding_test.sh: New file.
5548
5549 2010-04-14  Doug Kwan  <dougkwan@google.com>
5550
5551         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5552         for local symbol recounting if we remove a section due to ICF.
5553         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5554         there are no regular objects in input.
5555
5556 2010-04-13  Doug Kwan  <dougkwan@google.com>
5557
5558         * arm.cc (Arm_input_section::set_final_data_size): Compute
5559         accurate final data size instead of using current data size.
5560
5561 2010-04-09  Doug Kwan  <dougkwan@google.com>
5562
5563         * layout.cc (Layout::choose_output_section): Handle script section
5564         types.
5565         (Layout::make_output_section_for_script): Add section type parameter.
5566         Handle script section types.
5567         * layout.h (Layout::make_output_section_for_script): Add section
5568         type parameter.
5569         * output.cc (Output_section::Output_section): Initialize data member
5570         is_noload_.
5571         (Output_section::do_reset_address_and_file_offset): Do not set address
5572         to 0 if section is a NOLOAD section.
5573         * output.h (Output_section::is_noload): New method.
5574         (Output_section::set_is_noload): Ditto.
5575         (Output_section::is_noload_): New data member.
5576         * script-c.h (Script_section_type): New enum type.
5577         (struct Parser_output_section_header): Add new file section_type.
5578         * script-sections.cc (Sections_element::output_section_name): Add
5579         parameter for returning script section type.
5580         (Output_section_definition::output_section_name): Ditto.
5581         (Output_section_definition::section_type)P; New method.
5582         (Output_section_definiton::script_section_type_name): Ditto.
5583         (Output_section_definition::script_section_type_): New data member.
5584         (Output_section_definition::Output_section_definition): Initialize
5585         data member Output_section_definition::script_section_type_.
5586         (Output_section_definition::create_sections): Pass script section type
5587         to Layout::make_output_section_for_script.
5588         (Output_section_definition::output_section_name): Return script
5589         section type to caller.
5590         (Output_section_definition::set_section_address): Do not advance
5591         dot value and load address if section type is NOLOAD.  Set address
5592         of NOLOAD sections regardless of section flags.
5593         (Output_section_definition::print): Print section type if it is
5594         not SCRIPT_SECTION_TYPE_NONE.
5595         (Output_section_definition::section_type): New method.
5596         (Output_section_definition::script_section_type_name): Ditto.
5597         (Script_sections::output_section_name): Add new parameter
5598         PSECTION_TYPE for returning script section type.  Pass it to
5599         section elements.  Handle discard sections.
5600         (Sort_output_sections::operator()): Handle NOLOAD sections.
5601         * script-sections.h (Script_sections::Section_type): New enum type.
5602         (Script_sections::output_section_name): Add a new parameter for
5603         returning script section type.
5604         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5605         INFO and NOLOAD.
5606         * yyscript.y (union): Add new field SECTION_TYPE.
5607         (COPY, DSECT, INFO, NOLOAD): New tokens.
5608         (opt_address_and_section_type): Change type to output_section_header.
5609         (section_type): New non-terminal
5610         (section_header): Handle section type.
5611         (opt_address_and_section_type): Return section type value.
5612
5613 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5614
5615         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5616         * testsuite/plugin_common_test_2.c (foo): Likewise.
5617
5618 2010-04-08  Doug Kwan  <dougkwan@google.com>
5619
5620         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5621         Output_merge_data.
5622         * output.cc (Output_section::add_merge_input_section): Simplify
5623         code and return status of Output_merge_base::add_input_section.
5624         Update merge section map only if Output_merge_base::add_input_section
5625         returns true.
5626
5627 2010-04-07  Doug Kwan  <dougkwan@google.com>
5628
5629         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5630         if section is marked as containing instructions but has no mapping
5631         symbols.
5632         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5633         correct section index.
5634         (Arm_relobj::find_linked_text_section): Ditto.
5635
5636 2010-04-07  Cary Coutant  <ccoutant@google.com>
5637
5638         * archive.cc (include_member): Destroy Read_symbols_data object before
5639         releasing file.
5640         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5641         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5642         (Read_symbols_data::~Read_symbols_data) New destructor.
5643         (Section_relocs::Section_relocs) New constructor.
5644         (Section_relocs::~Section_relocs) New destructor.
5645         (Read_relocs_data::Read_relocs_data) New constructor.
5646         (Read_relocs_data::~Read_relocs_data) New destructor.
5647         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5648         pointers to NULL after deleting.
5649
5650 2010-04-07  Doug Kwan  <dougkwan@google.com>
5651
5652         * arm.cc: Replace "endianity" with "endianness" in comments.
5653         (Arm_exidx_cantunwind): Ditto.
5654         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5655         (Arm_relobj::merge_flags_and_attributes): New method.
5656         (Arm_relobj::merge_flags_and_attributes_): New data member.
5657         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5658         (Arm_relobj::scan_sections_for_stubs): Ditto.
5659         (Arm_relobj::do_read_symbols): Check to see if we really want to
5660         merge processor-specific flags and attributes.  Exit early if
5661         an object is empty except for section names and the undefined symbol.
5662         (Target_arm::do_finalize_sections): Move check for ELF format to
5663         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5664         attributes from a regular object only when we have determined that
5665         it is aapropriate.  Do not create an .ARM.attributes section in
5666         output if there is no regular input object.
5667         (Target_arm::merge_processor_specific_flags): Check
5668         --warn-mismatch before printing any error.
5669         (Target_arm::merge_object_attributes): Ditto.
5670         * gold.cc (queue_middle_tasks): Handle the case in which there is
5671         no regular object in input.
5672         * options.cc (General_options::parse_EB): New method.
5673         (General_options::parse_EL): Same.
5674         (General_options::General_options): Initialize endianness_.
5675         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5676         New options.
5677         (General_options::Endianness): New enum.
5678         (General_options::endianness): New method.
5679         (General_options::endianness_): New data member.
5680         * parameters.cc (Parameters::set_options): Check target endianness.
5681         (Parameters::set_target_once): Ditto.
5682         (Parameters::check_target_endianness): New method.
5683         (parameters_force_valid_target): If either -EL or -EB is specified,
5684         use it to define endianness of default target.
5685         * parameters.h (Parameters::check_target_endianness): New method
5686         declaration.
5687         * target.h (class Target): Change "endianity" to "endianness"
5688         in comments.
5689
5690 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5691
5692         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5693         * configure: Regenerate.
5694         * Makefile.in: Regenerate.
5695         * testsuite/Makefile.in: Regenerate.
5696
5697 2010-04-06  Cary Coutant  <ccoutant@google.com>
5698
5699         gcc PR lto/42757
5700         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5701         prevailing definitions of common symbols.
5702         * testsuite/plugin_test_6.sh: New test case.
5703         * testsuite/plugin_common_test_1.c: New test case.
5704         * testsuite/plugin_common_test_2.c: New test case.
5705         * testsuite/Makefile.am (plugin_test_6): New test case.
5706         * testsuite/Makefile.in: Regenerate.
5707
5708 2010-04-06  Nick Clifton  <nickc@redhat.com>
5709
5710         * po/vi.po: New Vietnamese translation.
5711
5712 2010-03-30  Doug Kwan  <dougkwan@google.com>
5713
5714         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5715
5716 2010-03-25  Doug Kwan  <dougkwan@google.com>
5717
5718         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5719         to avoid a conversion warning on a 32-bit host.
5720
5721 2010-03-24  Ian Lance Taylor  <iant@google.com>
5722
5723         * testsuite/script_test_3.t: Add a TLS segment.
5724         * testsuite/Makefile.am (check_PROGRAMS): Add
5725         tls_phdrs_script_test.
5726         (tls_phdrs_script_test_SOURCES): Define.
5727         (tls_phdrs_script_test_DEPENDENCIES): Define.
5728         (tls_phdrs_script_test_LDFLAGS): Define.
5729         (tls_phdrs_script_test_LDADD): Define.
5730         * testsuite/Makefile.in: Rebuild.
5731
5732 2010-03-23  Cary Coutant  <ccoutant@google.com>
5733
5734         * fileread.cc (find_or_make_view): Fix comment.
5735
5736 2010-03-23  Ian Lance Taylor  <iant@google.com>
5737
5738         * script-sections.cc (class Orphan_section_placement): Define
5739         PLACE_TLS and PLACE_TLS_BSS.
5740         (Orphan_section_placement::Orphan_section_placement): Initialize
5741         new places.
5742         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5743         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5744         (tls_script_test_SOURCES): Define.
5745         (tls_script_test_DEPENDENCIES): Define.
5746         (tls_script_test_LDFLAGS): Define.
5747         (tls_script_test_LDADD): Define.
5748         * testsuite/Makefile.in: Rebuild.
5749
5750 2010-03-22  Doug Kwan  <dougkwan@google.com>
5751
5752         * arm.cc (Arm_relocate_functions::abs8,
5753         Arm_relocate_functions::abs16): Use correct check for overflow
5754         specified in the ARM ELF specs.
5755         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5756         target of a BLX instruction specially.
5757         (Reloc_stub::stub_type_for_reloc): Ditto.
5758         (Relocate::relocate): Use symbolic names instead of numeric relocation
5759         codes to report error.
5760         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5761         workaround.
5762         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5763         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5764         thumb2_blx_out_of_range.stdout
5765         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5766         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5767         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5768         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5769         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5770         thumb2_blx_in_range, thumb2_blx_in_range.o,
5771         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5772         thumb2_blx_out_of_range.o): New rules.
5773         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5774         thumb2_blx_in_range and thumb2_blx_out_of_range.
5775         * testsuite/Makefile.in: Regenerate.
5776         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5777         * testsuite/thumb_blx_in_range.s: New file.
5778         * testsuite/thumb_blx_out_of_range.s: New file.
5779
5780 2010-03-22  Rafael Espindola  <espindola@google.com>
5781
5782         * archive.cc (Should_include): Move to archive.h.
5783         (should_include_member): Make it a member of Archive.
5784         (Lib_group): New.
5785         (Add_lib_group_symbols): New.
5786         * archive.h: Include options.h.
5787         (Archive_member): Moved from Archive.
5788         (Should_include): Moved from archive.cc.
5789         (Lib_group): New.
5790         (Add_lib_group_symbols): New.
5791         * dynobj.cc (do_should_include_member): New.
5792         * dynobj.h (do_should_include_member): New.
5793         * gold.cc (queue_initial_tasks): Update call to queue.
5794         * main.cc (main): Print lib group stats.
5795         * object.cc (do_should_include_member): New.
5796         * object.h: Include archive.h.
5797         (Object::should_include_member): New.
5798         (Object::do_should_include_member): New.
5799         (Sized_relobj::do_should_include_member): New.
5800         * options.cc (General_options::parse_start_lib): New.
5801         (General_options::parse_end_lib): New.
5802         (Input_arguments::add_file): Handle lib groups.
5803         (Input_arguments::start_group): Check we are not in a lib.
5804         (Input_arguments::start_lib): New.
5805         (Input_arguments::end_lib): New.
5806         * options.h (General_options): Add start_lib and end_lib.
5807         (Input_argument::lib_): New.
5808         (Input_argument::lib): New.
5809         (Input_argument::is_lib): New.
5810         (Input_file_lib): New.
5811         (Input_arguments::in_lib_): New.
5812         (Input_arguments::in_lib): New.
5813         (Input_arguments::start_lib): New.
5814         (Input_arguments::end_lib_): New.
5815         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5816         in unused members as preempted.
5817         (Sized_pluginobj::do_should_include_member): New.
5818         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5819         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5820         return the blocker.
5821         (Read_symbols::do_whole_lib_group): New.
5822         (Read_symbols::do_lib_group): New.
5823         (Read_symbols::do_read_symbols): Handle lib groups.
5824         (Read_symbols::get_name): Handle lib groups.
5825         * readsyms.h (Read_symbols): Add an archive member pointer.
5826         (Read_symbols::do_whole_lib_group): New.
5827         (Read_symbols::do_lib_group): New.
5828         (Read_symbols::member_): New.
5829         * script.cc (read_input_script): Update call to queue_soon.
5830
5831 2010-03-19  Doug Kwan  <dougkwan@google.com>
5832
5833         * arm.cc (Stub_table::Stub_table): Initialize new data members
5834         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5835         (Stub_table::add_reloc_stub): Assign stub offset and update
5836         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5837         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5838         New data members.
5839         (Stub_table::update_data_size_and_addralign): Use
5840         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5841         instead of going over all reloc stubs.
5842         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5843         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5844         Stringpool_template::offset_ to size of Stringpool_char.
5845         (Stringpool_template::new_key_offset): Remove code to initialize
5846         Stringpool_template::offset_.
5847         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5848         Stringpool_template::offset_ to zero.
5849
5850 2010-03-15  Doug Kwan  <dougkwan@google.com>
5851
5852         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5853         offset_.
5854         (Stringpool_template::new_key_offset): New method.
5855         (Stringpool_template::add_string): Assign offsets when adding new
5856         strings.
5857         (Stringpool_template::set_string_offsets): Do not set string offsets
5858         when not optimizing.
5859         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5860         member size_.
5861         (Chunked_vector::clear): Clear size_.
5862         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5863         (Chunked_vector::size): Return size_.
5864         (Chunked_vector::push_back): Use size_ to find insert position.
5865         (Chunked_vector::size_): New data member.
5866         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5867         (Stringpool_template::new_key_offset): New method declaration.
5868         (Stringpool_template::offset_): New data member.
5869
5870 2010-03-15   Rafael Espindola  <espindola@google.com>
5871
5872         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5873         Add_symbols' constructor.
5874         * readsyms.h (Add_symbols): Remove the input_group member.
5875
5876 2010-03-10  Ian Lance Taylor  <iant@google.com>
5877
5878         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5879         target to ask whether a reference to a symbol requires a stack
5880         split.
5881         * target.h (Target::is_call_to_non_split): New function.
5882         (Target::do_is_call_to_non_split): Declare virtual function.
5883         * target.cc: Include "symtab.h".
5884         (Target::do_is_call_to_non_split): New function.
5885         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5886
5887 2010-03-10  Cary Coutant  <ccoutant@google.com>
5888
5889         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5890         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5891         (File_read::open[2]): Add whole_file_view_ to list of views.
5892         (File_read::make_view): Remove test of whole_file_view_.
5893         (File_read::find_or_make_view): Create whole_file_view_ if
5894         necessary.
5895         (File_read::clear_views): Replace bool parameter with enum;
5896         adjust all callers.  Don't delete views with permanent data;
5897         do delete cached views and views from archives if
5898         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5899         if clearing the corresponding view.
5900         * fileread.h (File_read::Clear_views_mode): New enum.
5901         (File_read::View::is_permanent_view): New method.
5902         (File_read::clear_views): Replace bool parameter
5903         with enum; adjust all callers.
5904         * options.h (General_options): Change keep_files_mapped option;
5905         add map_whole_files.
5906         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5907         releasing the file.
5908         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5909         the file.
5910
5911 2010-03-10  David S. Miller  <davem@davemloft.net>
5912
5913         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5914
5915 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5916
5917         * icf.cc (get_section_contents): Add '@' marker after processing the
5918         merge reloc.
5919
5920 2010-03-08  Doug Kwan  <dougkwan@google.com>
5921
5922         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5923         due to a conversion warning.
5924         (Arm_relobj::update_output_local_symbol_count): Check for local
5925         symbol with unset output index.
5926
5927 2010-03-05  Ian Lance Taylor  <iant@google.com>
5928
5929         * options.h (class General_options): Add --spare-dynamic-tags.
5930         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5931         --spare-dynamic-tags.
5932
5933 2010-03-05  Ian Lance Taylor  <iant@google.com>
5934
5935         * incremental.cc: Include "libiberty.h".
5936
5937 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5938
5939         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5940         function, is_info_ member.
5941         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5942         (Versions::Versions): Update caller.
5943         (Versions::define_base_version): Likewise.
5944         (Versions::add_def): Likewise.
5945
5946 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5947
5948         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5949         (Scan::possible_function_pointer_reloc): New function.
5950         (Scan::local_reloc_may_be_function_pointer): Change to call
5951         possible_function_pointer_reloc.
5952         (Scan::global_reloc_may_be_function_pointer): Ditto.
5953         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5954         relocations in ".data.rel.ro._ZTV" section.
5955         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5956         * testsuite/icf_safe_so_test.cc: Ditto.
5957         * testsuite/icf_safe_test.cc: Ditto.
5958         * testsuite/icf_safe_test.sh: Ditto.
5959
5960 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5961             Ian Lance Taylor  <iant@google.com>
5962
5963         * target-reloc.h (relocate_section): Check the symbol table index
5964         for -1U before setting the local symbol index.
5965         (scan_relocatable_relocs): If copying the relocation, record that
5966         the local symbol is required.
5967         * object.h (Symbol_value::is_output_symtab_index_set): New
5968         function.
5969         (Symbol_value::may_be_discarded_from_output_symtab): New
5970         function.
5971         (Symbol_value::has_output_symtab_entry): New function.
5972         (Symbol_value::needs_output_symtab_entry): Remove.
5973         (Symbol_value::output_symtab_index): Make sure the symbol index is
5974         set.
5975         (Symbol_value::set_output_symtab_index): Make sure the symbol
5976         index is not set.  Make sure the new index is valid.
5977         (Symbol_value::set_must_have_output_symtab_entry): New function.
5978         (Symbol_value::has_output_dynsym_entry): New function.
5979         (Symbol_value::set_output_dynsym_index): Make sure the new index
5980         is valid.
5981         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5982         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5983         local symbol if permitted.
5984         (Sized_relobj::do_finalize_local_symbols): Call
5985         is_output_symtab_index_set rather than needs_output_symtab_entry.
5986         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5987         rather than needs_output_symtab_entry.  Call
5988         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5989         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5990         is_output_symtab_index_set rather than needs_output_symtab_entry.
5991         * testsuite/discard_locals_relocatable_test.c: New file.
5992         * testsuite/discard_locals_test.sh: Test -r.
5993         * testsuite/Makefile.am (check_DATA): Add
5994         discard_locals_relocatable_test1.syms,
5995         discard_local_relocatable_test2.syms.
5996         (MOSTLYCLEANFILES): Likewise.  Also add
5997         discard_locals_relocatable_test1.lout and
5998         discard_locals_relocatable_test2.out.
5999         (discard_locals_relocatable_test1.syms): New target.
6000         (discard_locals_relocatable_test.o): New target.
6001         (discard_locals_relocatable_test1.out): New target.
6002         (discard_locals_relocatable_test2.syms): New target.
6003         (discard_locals_relocatable_test2.out): New target.
6004         (various): Add missing ../ld-new dependencies.
6005         * testsuite/Makefile.in: Rebuild.
6006
6007 2010-03-03  Nick Clifton  <nickc@redhat.com>
6008
6009         * po/fi.po: New Finnish translation.
6010
6011 2010-03-01  Doug Kwan  <dougkwan@google.com>
6012
6013         * layout.cc (Layout::Layout): Force section types of .init_array*,
6014         .preinit_array* and .fini_array* sections.
6015         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6016         Fix check of return value of std::string::find.().
6017         (Output_section::Input_section_sort_compare::operator()): Remove
6018         comment about .init_array.
6019         (Output_section::Input_section_sort_init_fini_compare::operator()):
6020         New method.
6021         (Output_section::sort_attached_input_sections): Handle .init_array
6022         and .fini_array specially.
6023         * output.h (Output_section::Inut_section_sort_compare): Update
6024         comment.
6025         (Output_section::Input_section_sort_init_fini_compare): New struct.
6026
6027 2010-02-26  Doug Kwan  <dougkwan@google.com>
6028
6029         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6030         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6031         * testsuite/debug_msg.sh: Avoid matching source line number for
6032         use of global variable undef_int.
6033
6034 2010-02-26  Doug Kwan  <dougkwan@google.com>
6035
6036         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6037         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6038         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6039         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6040         * options.cc (General_options::General_options): Initialize member
6041         fix_v4bx_.
6042         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6043         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6044         and rm_no_fix_v4bx.stdout
6045         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6046         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6047         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6048         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6049         and arm_no_fix_v4bx.
6050         * Makefile.in: Regenerate.
6051         * testsuite/arm_fix_v4bx.s: New file.
6052         * testsuite/arm_fix_v4bx.sh: Ditto.
6053
6054 2010-02-24  Doug Kwan  <dougkwan@google.com>
6055
6056         * arm.cc (Target_arm::got_section): Make the .got section the first
6057         non RELRO section in the data segment.
6058         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6059         suffixes of section names.
6060
6061 2010-02-24  Doug Kwan  <dougkwan@google.com>
6062
6063         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6064         flags and attributes merging if an input file is a binary file.
6065         * fileread.cc (Input_file::open): Record format of original file.
6066         * fileread.h (Input_file::Format): New enum type.
6067         (Input_file::Input_file): Initialize data member format_.
6068         (Input_file::format): New method definition.
6069         (Input_file::format_):: New data member.
6070
6071 2010-02-24  Doug Kwan  <dougkwan@google.com>
6072
6073         * arm.cc (Arm_output_data_got): New class.
6074         (ARM_TCB_SIZE): New constant
6075         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6076         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6077         If user uses a script with a SECTIONS clause, issue only a warning
6078         for a misplaced EXIDX input section.  Otherwise, issue an error.
6079         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6080         garbage collection.
6081         (Target_arm::got_mode_index_entry): Handle static linking.
6082         (Target_arm::Scan::local): Ditto.
6083         (Target_arm::Scan::global): Ditto.
6084         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6085         all incorrectly implemented relocations.
6086         (Target_arm::fix_exidx_coverage): Pass layout to
6087         Arm_output_section::fix_exidx_coverage.
6088         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6089         from ".ARM.exidx." and ".ARM.extab.".
6090
6091 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6092
6093         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6094         section if it does not already exist.
6095         * attributes.cc (Attributes_section_data::Attributes_section_data):
6096         Don't crash if size is zero.
6097
6098 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6099             Ian Lance Taylor  <iant@google.com>
6100
6101         * gold.cc (queue_middle_tasks): If no input files were opened,
6102         exit.
6103         * workqueue.h (Task_function::Task_function): Assert that there is
6104         a blocker.
6105
6106 2010-02-22  Doug Kwan  <dougkwan@google.com>
6107
6108         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6109         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6110         types to avoid warnings due to different uint64_t implementations
6111         on different hosts.
6112
6113 2010-02-21  Doug Kwan  <dougkwan@google.com>
6114
6115         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6116         handling of the maximum backward branch offset.
6117         (Arm_relocate_functions::thumb_branch_common): Ditto.
6118         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6119         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6120         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6121         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6122         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6123         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6124         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6125         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6126         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6127         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6128         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6129         thumb2_bl_out_of_range.o): New rules.
6130         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6131         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6132         thumb2_bl_out_of_range
6133         * testsuite/Makefile.in: Regenerate.
6134         * testsuite/arm_bl_in_range.s: New file.
6135         * testsuite/arm_bl_out_of_range.s: Ditto.
6136         * testsuite/arm_branch_in_range.sh: Ditto.
6137         * testsuite/arm_branch_range.t: Ditto.
6138         * testsuite/thumb2_branch_range.t: Ditto.
6139         * testsuite/thumb_bl_in_range.s: Ditto.
6140         * testsuite/thumb_bl_out_of_range.s: Ditto.
6141         * testsuite/thumb_branch_range.t: Ditto.
6142
6143 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6144
6145         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6146         Add reloc offset information.
6147         * icf.cc (get_section_contents): Change iterators to point to the new
6148         vectors. Add reloc offset information to the contents.
6149         * icf.h (Icf::Sections_reachable_info): New typedef.
6150         (Icf::Sections_reachable_list): New typedef.
6151         (Icf::Offset_info): New typedef.
6152         (Icf::Reloc_info): New struct typedef.
6153         (Icf::Reloc_info_list): New typedef.
6154         (Icf::symbol_reloc_list): Delete method.
6155         (Icf::addend_reloc_list): Delete method.
6156         (Icf::section_reloc_list): Delete method.
6157         (Icf::reloc_info_list): New method.
6158         (Icf::reloc_info_list_): New member.
6159
6160 2010-02-19  Doug Kwan  <dougkwan@google.com>
6161
6162         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6163         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6164         * arm.cc (Arm_relocation_functions): New forward declaration.
6165         (Target_arm::Target_arm): Initialize new data members
6166         got_mod_index_offset_ and tls_base_symbol_defined_.
6167         (Target_arm::Relocate::relocate_tls): New method.
6168         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6169          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6170         New methods.
6171         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6172         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6173         (Target_arm::got_mod_index_offset_,
6174         Target_arm::tls_base_symbol_defined_): New data members.
6175         (Target_arm::Scan::local, Target::Scan::global,
6176         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6177         relocations.
6178
6179 2010-02-18  Doug Kwan  <dougkwan@google.com>
6180
6181         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6182         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6183         text section as a parameter becuase some broken tools may not set
6184         the link in section header.
6185         (Target_arm::has_got_section): New method.
6186         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6187         without any mapping symbol as data only.  Remove warning.
6188         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6189         link in its section header, try to discover the link by inspecting the
6190         REL31 relocation at the beginning of the section.
6191         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6192         in error message.
6193         (Target_arm::Scan::global): Treat any reference to the symbol
6194         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6195
6196 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6197
6198         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6199         (Scan::global_reloc_may_be_function_pointer): New function.
6200         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6201         (Scan::global_reloc_may_be_function_pointer): New function.
6202         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6203         (Scan::global_reloc_may_be_function_pointer): New function.
6204         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6205         (Scan::global_reloc_may_be_function_pointer): New function.
6206         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6207         (Scan::global_reloc_may_be_function_pointer): New function.
6208         (Scan::possible_function_pointer_reloc): New function.
6209         (Target_x86_64::can_check_for_function_pointers): New function.
6210         * gc.h (gc_process_relocs): Scan relocation types to determine if
6211         function pointers were taken for targets that support it.
6212         * icf.cc (Icf::find_identical_sections): Include functions for
6213         folding in safe ICF whose pointer is not taken.
6214         * icf.h (Secn_fptr_taken_set): New typedef.
6215         (fptr_section_id_): New member.
6216         (section_has_function_pointers): New function.
6217         (set_section_has_function_pointers): New function.
6218         (check_section_for_function_pointers): New function.
6219         * options.h: Fix comment for safe ICF option.
6220         * target.h (can_check_for_function_pointers): New function.
6221         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6222         Modify icf_safe_test for X86-64.
6223         * testsuite/Makefile.in: Regenerate.
6224         * testsuite/icf_safe_so_test.cc: New file.
6225         * testsuite/icf_safe_so_test.sh: New file.
6226         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6227         (main): Change to take pointer to function kept_func_3.
6228         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6229         folding is done correctly for X86-64.
6230
6231 2010-02-12  David S. Miller  <davem@davemloft.net>
6232
6233         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6234         is_symbolless parameter.
6235         (Output_reloc<SHT_REL>::is_symbolless): New.
6236         (Output_reloc<SHT_REL>::is_symbolless_): New.
6237         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6238         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6239         (Output_reloc<SHT_RELA>::is_symbolless): New.
6240         (Output_data_reloc::add_global): Handle is_symbolless.
6241         (Output_data_reloc::add_global_relative): Likewise.
6242         (Output_data_reloc::add_local): Likewise.
6243         (Output_data_reloc::add_local_relative): Likewise.
6244         (Output_data_reloc::add_symbolless_global_addend): New.
6245         (Output_data_reloc::add_symbolless_local_addend): New.
6246         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6247         is_symbolless.
6248         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6249         instead of ->is_relative_
6250         (Output_reloc::write): Likewise.
6251         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6252         (Output_reloc::write_rel): Simplify.
6253
6254         * sparc.cc (Target_sparc::Scan::local): Use
6255         ->add_symbolless_local_addend as needed.
6256         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6257         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6258         based upon relocation offset.
6259
6260 2010-02-11  Doug Kwan  <dougkwan@google.com>
6261
6262         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6263         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6264         beginning of function.
6265         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6266         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6267         parameter is_32bit in calls to should_apply_static_reloc.
6268         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6269         (check_DATA): Add arm_abs_global.stdout.
6270         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6271         arm_abs_global.stdout): New rules.
6272         (MOSTLLYCLEANFILES): Add arm_abs_global
6273         * Makefile.in: Regenerate.
6274         * testsuite/arm_abs_global.s: New file.
6275         * testsuite/arm_abs_global.sh: Ditto.
6276         * testsuite/arm_abs_lib.s: Ditto.
6277
6278 2010-02-11  Ian Lance Taylor  <iant@google.com>
6279
6280         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6281         Read_relocs task.
6282         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6283         Allocate_commons_task first.
6284         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6285         task, rather than symtab_lock_.
6286         (Gc_process_relocs::~Gc_process_relocs): New function.
6287         (Gc_process_relocs::is_runnable): Check this_blocker_.
6288         (Gc_process_relocs::locks): Use next_blocker_ rather than
6289         blocker_.
6290         (Scan_relocs::~Scan_relocs): New function.
6291         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6292         symtab_lock_.
6293         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6294         next_blocker_.
6295         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6296         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6297         constructor accordingly.
6298         (class Gc_process_relocs): Likewise.
6299         (class Scan_relocs): Likewise.
6300         * common.h (class Allocate_commons_task): Remove symtab_lock_
6301         field, and corresponding constructor parameter.
6302         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6303         symtab_lock_.
6304         (Allocate_commons_task::locks): Likewise.
6305
6306 2010-02-11  Ian Lance Taylor  <iant@google.com>
6307
6308         * gold-threads.h (class Once): Define.
6309         (class Initialize_lock): Rewrite as child of Once.
6310         * gold-threads.cc (class Once_initialize): Define.
6311         (once_pointer_control): New static variable.
6312         (once_pointer, once_arg): New static variables.
6313         (c_run_once): New static function.
6314         (Once::Once, Once::run_once, Once::internal_run): New functions.
6315         (class Initialize_lock_once): Remove.
6316         (initialize_lock_control): Remove.
6317         (initialize_lock_pointer): Remove.
6318         (initialize_lock_once): Remove.
6319         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6320         (Initialize_lock::initialize): Rewrite.
6321         (Initialize_lock::do_run_once): New function.
6322         * archive.cc (Archive::interpret_header): Only clear name if it is
6323         not already empty.
6324         * fileread.cc: Include "gold-threads.h"
6325         (file_counts_lock): New static variable.
6326         (file_counts_initialize_lock): Likewise.
6327         (File_read::release): Only increment counts when using --stats.
6328         Use a lock around the increment.
6329         * parameters.cc (class Set_parameters_target_once): Define.
6330         (set_parameters_target_once): New static variable.
6331         (Parameters::Parameters): Move here from parameters.h.
6332         (Parameters::set_target): Rewrite.
6333         (Parameters::set_target_once): New function.
6334         (Parameters::clear_target): Move here and rewrite.
6335         * parameters.h (class Parameters): Update declarations.  Add
6336         set_parameters_target_once_ field.
6337         (Parameters::Parameters): Move to parameters.cc.
6338         (Parameters::clear_target): Likewise.
6339         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6340         task.
6341         (Start_group::~Start_group): New function.
6342         (Start_group::is_runnable): New function.
6343         (Start_group::locks, Start_group::run): New functions.
6344         (Finish_group::run): Change saw_undefined to size_t.
6345         * readsyms.h (class Start_group): Define.
6346         (class Finish_group): Change saw_undefined_ field to size_t.
6347         (Finish_group::Finish_group): Remove saw_undefined and
6348         this_blocker parameters.  Change all callers.
6349         (Finish_group::set_saw_undefined): New function.
6350         (Finish_group::set_blocker): New function.
6351         * symtab.h (class Symbol_table): Change saw_undefined to return
6352         size_t.  Change saw_undefined_ field to size_t.
6353         * target-select.cc (Set_target_once::do_run_once): New function.
6354         (Target_selector::Target_selector): Initialize set_target_once_
6355         field.  Don't initialize lock_ and initialize_lock_ fields.
6356         (Target_selector::instantiate_target): Rewrite.
6357         (Target_selector::set_target): New function.
6358         * target-select.h (class Set_target_once): Define.
6359         (class Target_selector): Update declarations.  Make
6360         Set_target_once a friend.  Remove lock_ and initialize_lock_
6361         fields.  Add set_target_once_ field.
6362
6363 2010-02-10  Ian Lance Taylor  <iant@google.com>
6364
6365         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6366         queueing any tasks.
6367         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6368         (queue_middle_tasks): Add all blockers before queueing any tasks.
6369         (queue_final_tasks): Likewise.
6370         * token.h (Task_token::add_blockers): New function.
6371         * object.h (Input_objects::number_of_relobjs): New function.
6372
6373 2010-02-10  Ian Lance Taylor  <iant@google.com>
6374
6375         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6376         shared, not if not position independent.
6377         * x86_64.cc (Relocate::relocate_tls): Likewise.
6378         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6379         (tls_pie_pic_test): New target.
6380         * testsuite/Makefile.in: Rebuild.
6381
6382         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6383         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6384         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6385         * testsuite/Makefile.in: Rebuild.
6386
6387 2010-02-09  David S. Miller  <davem@davemloft.net>
6388
6389         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6390         R_SPARC_RELATIVE using ->add_local_relative().
6391         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6392
6393         * output.h (Output_data_dynamic::add_section_size): New method
6394         that takes two Output_data objects.
6395         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6396         entry param.  Handle it in initializers.
6397         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6398         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6399         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6400         arg.
6401         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6402         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6403         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6404         for dynrel_includes_plt.
6405         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6406         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6407         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6408         before .rela.plt
6409         (Target_sparc::do_finalize_sections): Update to pass true for
6410         dynrel_includes_plt.
6411         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6412         output before .rela.plt
6413         (Target_powerpc::do_finalize_sections): Update to pass true for
6414         dynrel_includes_plt when 32-bit.
6415
6416 2010-02-08  Doug Kwan  <dougkwan@google.com>
6417
6418         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6419         method.
6420         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6421         Arm_relobj::scan_section_for_cortex_a8_stubs,
6422         Arm_relobj::do_relocation_section): Instead of calling
6423         Output_section::output_address, use faster
6424         Arm_relobj::simple_input_section_output_address.
6425
6426 2010-02-08  David S. Miller  <davem@davemloft.net>
6427
6428         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6429         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6430         relocation helper function.
6431
6432         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6433         just like R_SPARC_GOT{10,13,22}.
6434         (Target_sparc::Scan::local): Likewise.
6435         (Target_sparc::Relocate:relocate): Likewise.
6436
6437 2010-02-06  Ian Lance Taylor  <iant@google.com>
6438
6439         * configure.ac: Rewrite targetobjs duplicate removal code to use
6440         only shell constructs.
6441         * configure: Rebuild.
6442
6443 2010-02-05  Doug Kwan  <dougkwan@google.com>
6444
6445         PR 11247
6446         * arm.cc (Arm_relobj::section_is_scannable): New method.
6447         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6448         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6449
6450 2010-02-04  Doug Kwan  <dougkwan@google.com>
6451
6452         PR 11247
6453         * arm-reloc-property.cc (cstdio): Include.
6454         * configure.ac (targetobjs): Remove duplicates.
6455         * configure: Regenerate.
6456         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6457         big and little endian version for a given address size.
6458
6459 2010-02-03  Doug Kwan  <dougkwan@google.com>
6460
6461         * arm-reloc-property.cc
6462         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6463         definition.
6464         * arm-reloc-property.h
6465         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6466         New method definition.
6467         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6468         declaration.
6469         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6470         overflow to N.
6471         (GOT_PREL): Change implemented to Y.
6472         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6473         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6474         (Arm_relocate_functions::movw_abs_nc): Remove method.
6475         (Arm_relocate_functions::movt_abs): Ditto.
6476         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6477         (Arm_relocate_functions::thm_movt_abs): Ditto.
6478         (Arm_relocate_functions::movw_rel_nc): Ditto.
6479         (Arm_relocate_functions::movw_rel): Ditto.
6480         (Arm_relocate_functions::movt_rel): Ditto.
6481         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6482         (Arm_relocate_functions:thm_movw_rel): Ditto.
6483         (Arm_relocate_functions:thm_movt_rel): Ditto.
6484         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6485         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6486         New method definitions.
6487         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6488         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6489         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6490         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6491         (Target_arm::Relocate::relocate): Check for non-static or
6492         unimplemented relocation code and exit early.  Change calls to
6493         Target_arm::reloc_uses_thumb_bit and
6494         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6495         instead.  Refactor code to handle similar relocations to increase
6496         code sharing.  Remove check for unsupported relocation code in switch
6497         statement.
6498         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6499         relocation property table to find out size.  Change error message to
6500         print out the name of a relocation code instead of the numeric value.
6501         (Target_arm::scan_reloc_for_stub): Use relocation property table
6502         instead of calling Target_arm::reloc_uses_thumb_bit().
6503
6504 2010-02-02  Doug Kwan  <dougkwan@google.com>
6505
6506         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6507         types of relaxed input section.
6508
6509 2010-02-02  Doug Kwan  <dougkwan@google.com>
6510
6511         * Makefile.am (HFILES): Add arm-reloc-property.h.
6512         (DEFFILES): New.
6513         (TARGETSOURCES): Add arm-reloc-property.cc
6514         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6515         (libgold_a_SOURCES): $(DEFFILES)
6516         * Makefile.in: Regenerate.
6517         * arm-reloc-property.cc: New file.
6518         * arm-reloc-property.h: New file.
6519         * arm-reloc.def: New file.
6520         * arm.cc: Update comments.
6521         (arm-reloc-property.h): New included header.
6522         (arm_reloc_property_table): New global variable.
6523         (Target_arm::do_select_as_default_target): New method definition.
6524         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6525         arm-reloc-property to targ_extra_obj.
6526         * parameters.cc (set_parameters_target): Call
6527         Target::select_as_default_target().
6528         * target.h (Target::select_as_default_target): New method definition.
6529         (Target::do_select_as_default_target): Same.
6530
6531 2010-02-01  Doug Kwan  <dougkwan@google.com>
6532
6533         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6534         first_output_text_section_.
6535         (Arm_exidx_fixup::first_output_text_section): New method definition.
6536         (Arm_exidx_fixup::first_output_text_section_): New data member.
6537         (Arm_exidx_fixup::process_exidx_section): Record the first text
6538         output section seen.
6539         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6540         and entsize in output section header.
6541
6542 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6543
6544         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6545         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6546         (Arm_relocate_functions::thm_alu11): New Method.
6547         (Arm_relocate_functions::thm_pc8): New Method.
6548         (Arm_relocate_functions::thm_pc12): New Method.
6549         (Target_arm::Scan::local): Handle the relocations.
6550         (Target_arm::Scan::global): Likewise.
6551         (Target_arm::Relocate::relocate): Likewise.
6552         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6553
6554 2010-01-29  Doug Kwan  <dougkwan@google.com>
6555
6556         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6557         of relocation types as ld.
6558
6559 2010-01-29  Doug Kwan  <dougkwan@google.com>
6560
6561         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6562         to public.
6563         (Arm_relocate_functions::thumb_branch_common): Ditto.
6564         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6565         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6566         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6567         Arm_relocate_functions::jump24): Remove.
6568         (Target_arm::Relocate::relocate): Adjust code to call
6569         Arm_relocation_functions::arm_branch_common and
6570         Arm_relocation_functions::thumb_branch_common instead of their removed
6571         wrappers.  Merge switch-cases together to reduce source code size.
6572
6573 2010-01-29  Doug Kwan  <dougkwan@google.com>
6574
6575         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6576         output_local_symbol_count_needs_update_.
6577         (Arm_relobj::output_local_symbol_count_needs_update,
6578          Arm_relobj::set_output_local_symbol_count_needs_update,
6579          Arm_relobj::update_output_local_symbol_count): New methods.
6580         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6581         member.
6582         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6583         of pointed function as in a R_ARM_PREL31 relocation.
6584         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6585         for output local symbol count updating.
6586         (Target_arm::do_relax): Update output local symbol counts in objects
6587         if necessary.
6588         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6589
6590 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6591
6592         * arm.cc: Added support for the ARM relocations:
6593         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6594         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6595         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6596         movw_prel_nc).
6597         (Arm_relocate_functions::movw_rel): New method.
6598         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6599         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6600         thm_movw_prel_nc).
6601         (Arm_relocate_functions::thm_movw_rel): New method.
6602         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6603         thm_movt_prel).
6604         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6605         relocations.
6606         (Target_arm::Scan::global): Likewise.
6607         (Target_arm::Relocate::relocate): Likewise.
6608         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6609         Likewise.
6610
6611 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6612
6613         * arm.cc: Added support for ARM group relocations.
6614         (Target_arm::reloc_needs_sym_origin): New method.
6615         (Arm_relocate_functions::calc_grp_kn): New method.
6616         (Arm_relocate_functions::calc_grp_residual): New method.
6617         (Arm_relocate_functions::calc_grp_gn): New method.
6618         (Arm_relocate_functions::arm_grp_alu): New Method.
6619         (Arm_relocate_functions::arm_grp_ldr): New Method.
6620         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6621         (Arm_relocate_functions::arm_grp_ldc): New Method.
6622         (Target_arm::Scan::local): Handle the ARM group relocations.
6623         (Target_arm::Scan::global): Likewise.
6624         (Target_arm::Relocate::relocate): Likewise.
6625         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6626         Likewise.
6627
6628 2010-01-26  Doug Kwan  <dougkwan@google.com>
6629
6630         * arm.cc (set): Include.
6631         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6632         pointer type.
6633         (Arm_output_section::Text_section_list): New type.
6634         (Arm_output_section::append_text_sections_to_list): New method.
6635         (Arm_output_section::fix_exidx_coverage): Ditto.
6636         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6637         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6638         Relobj::set_section_offset() instead of
6639         Sized_relobj::invalidate_section_offset().
6640         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6641         parameter for section headers. Ignore relocation sections for
6642         unallocated sections and EXIDX sections.
6643         (Target_arm::fix_exidx_coverage): New method.
6644         (Target_arm::output_section_address_less_than): New type.
6645         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6646         linked text section instead of the EXIDX section.
6647         (Arm_output_section::create_stub_group): Add an assertion to check
6648         that this is not an EXIDX output section.
6649         (Arm_output_section::append_text_sections_to_list): New method.
6650         (Arm_output_section::fix_exidx_coverage): Ditto.
6651         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6652         Arm_relobj::section_needs_reloc_stub_scanning.
6653         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6654         first pass.
6655         (Target_arm::fix_exidx_coverage): New method.
6656         * object.h (Relobj::set_output_section): New method.
6657         (Sized_relobj::invalidate_section_offset): Remove method.
6658         (Sized_relobj::do_invalidate_section_offset): Remove method.
6659         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6660
6661 2010-01-25  Doug Kwan  <dougkwan@google.com>
6662
6663         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6664         Fix warning due to signed and unsigned comparison on a 32-bit host.
6665
6666 2010-01-22  Doug Kwan  <dougkwan@google.com>
6667
6668         * arm.cc (Target_arm::do_relax): Record an output section for section
6669         offset adjustment it contains any stub table that has changed.
6670         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6671         offsets in an output section if necessary.
6672         * output.cc (Output_section::Output_section): Initialize
6673         section_offsets_need_adjustments_.
6674         (Output_section::add_input_section_for_script): Renamed to
6675         Output_section::add_simple_input_section.
6676         (Output_section::save_states): Add a comment.
6677         (Output_section::discard_states): New method defintion.
6678         (Output_section::adjust_section_offsets): Same.
6679         * output.h (Output_section::add_input_section_for_script): Renamed to
6680         Output_section::add_simple_input_section.
6681         (Output_section::discard_states): New method declaration.
6682         (Output_section::adjust_section_offsets): Same.
6683         (Output_section::section_offsets_need_adjustment,
6684         Output_section::set_section_offsets_need_adjustment): New method
6685         definitions.
6686         (Output_section::section_offsets_need_adjustment_): New data member.
6687         * script-sections.cc
6688         (Output_section_element_input::set_section_address): Adjust code for
6689         renaming of Output_section::add_input_section_for_script.
6690         (Orphan_output_section::set_section_address): Same.
6691
6692 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6693
6694         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6695         Fix_v4bx enum values .
6696         * gold/options.h (General_options): New option definitions.
6697         (General_options::fix_v4bx): New method.
6698         (General_options::Fix_v4bx): New enum.
6699         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6700         (General_options::parse_fix_v4bx_interworking): New method.
6701
6702 2010-01-22  Doug Kwan  <dougkwan@google.com>
6703
6704         * arm.cc (Arm_exidx_fixup): New class.
6705
6706 2010-01-21  Doug Kwan  <dougkwan@google.com>
6707
6708         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6709         classes.
6710         (Arm_exidx_section_offset_map): New type.
6711
6712 2010-01-21  Doug Kwan  <dougkwan@google.com>
6713
6714         * arm.cc (Arm_exidx_input_section): New class.
6715         (Arm_relobj::exidx_input_section_by_link,
6716         Arm_relobj::exidx_input_section_by_shndx,
6717         Arm_relobj::make_exidx_input_section): New methods.
6718         (read_arm_attributes_section): Remove.
6719         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6720         information about them.
6721         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6722         to here.
6723
6724 2010-01-20  Doug Kwan  <dougkwan@google.com>
6725
6726         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6727         Input_section_specifier to Section_id.
6728         (Target_arm::new_arm_input_section: Adjust code for change of key
6729         type.
6730         (Target_arm::find_arm_input_section): Ditto.
6731         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6732         (Section_id): Remove.
6733         (Garbage_collection::Section_id_hash): Remove.
6734         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6735         (Section_id): Remove.
6736         (Icf::Section_id_hash): Remove.
6737         * object.h (Section_id, Const_section_id, Section_id_hash,
6738         Const_section_id_hash): New type definitions.
6739         * output.cc (Output_section::add_relaxed_input_section): Change to
6740         use Const_section_id instead of Input_section_specifier as key type.
6741         (Output_section::add_merge_input_section): Ditto.
6742         (Output_section::build_relaxation_map): Change to use Section_id
6743         instead of Input_section_specifier as key type.
6744         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6745         Ditto.
6746         (Output_section::convert_input_sections_to_relaxed_sections): Change
6747         to use Const_section_id instead of Input_section_specifier as key type.
6748         (Output_section::find_merge_section): Ditto.
6749         (Output_section::find_relaxed_input_section): Ditto.
6750         * output.h (Input_section_specifier): Remove class.
6751         (Output_section::Output_section_data_by_input_section_map): Change
6752         key type to Const_section_id.
6753         (Output_section::Output_relaxed_input_section_by_input_section_map):
6754         Ditto.
6755         (Output_section::Relaxation_map): Change key type to Section_id.
6756
6757 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6758
6759         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6760         (class Arm_v4bx_stub): New class.
6761         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6762         (Stub_factory::make_arm_v4bx_stub): New method.
6763         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6764         (Stub_table::empty): Handle v4bx stubs.
6765         (Stub_table::add_arm_v4bx_stub): New method.
6766         (Stub_table::find_arm_v4bx_stub): New method.
6767         (Arm_relocate_functions::v4bx): New method.
6768         (Target_arm::fix_v4bx): New method.
6769         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6770         (Stub_table::relocate_stubs): Likewise.
6771         (Stub_table::do_write): Likewise.
6772         (Stub_table::update_data_size_and_addralign): Likewise.
6773         (Stub_table::finalize_stubs):  Likewise.
6774         (Target_arm::Scan::local): Likewise.
6775         (Target_arm::Scan::global): Likewise.
6776         (Target_arm::do_finalize_sections): Likewise.
6777         (Target_arm::Relocate::relocate): Likewise.
6778         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6779         Likewise.
6780         (Target_arm::scan_reloc_for_stub): Likewise.
6781         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6782
6783 2010-01-19  Ian Lance Taylor  <iant@google.com>
6784
6785         * output.cc (Output_section_headers::do_sized_write): Write large
6786         segment count to sh_info field.
6787         (Output_file_header::do_sized_write): For large segment count,
6788         write PN_XNUM to e_phnum field.
6789
6790 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6791
6792         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6793         (Arm_relocate_functions::thm_jump8): New function.
6794         (Arm_relocate_functions::thm_jump11): New function.
6795         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6796         R_ARM_THM_JUMP11.
6797         (Target_arm::Scan::global): Likewise.
6798         (Target_arm::Relocate::relocate): Likewise.
6799         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6800         Likewise.
6801
6802 2010-01-14  Doug Kwan  <dougkwan@google.com>
6803
6804         * arm.cc (map, utility): Include headers.
6805         (Target_arm::apply_cortex_a8_workaround): New method.
6806         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6807         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6808         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6809         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6810         the --[no-]fix-cortex-a8 command line options.
6811         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6812         (Target_arm::relocate_stub): Use addend in instruction template.
6813         * options.h (DEFINE_bool): Set the user-set flag.
6814         (General_options): Add --[no-]-fix-cortex options.
6815         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6816         : Update fast look-up map after conversion.
6817
6818 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6819
6820         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6821         in the first pass of do_layout.
6822
6823 2010-01-13  Doug Kwan  <dougkwan@google.com>
6824
6825         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6826         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6827         apparent compiler problem of not folding static constant integral
6828         data members of elfcpp::Elf_sizes<32>.
6829
6830 2010-01-13  Doug Kwan  <dougkwan@google.com>
6831
6832         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6833         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6834         Arm_relobj::scan_section_for_cortex_a8_erratum,
6835         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6836         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6837         sections to scan for relocation stubs into a new method
6838         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6839         relocation and Cortex-A8 stub scanning.
6840         (Target_arm::do_relax): Force stubs to be after stubbed sections
6841         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6842         the beginning of a new relaxation pass.  Update a comment.
6843         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6844
6845 2010-01-12  Ian Lance Taylor  <iant@google.com>
6846
6847         * target-reloc.h (visibility_error): New inline function.
6848         (relocate_section): Call visibility_error.
6849         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6850         (MOSTLYCLEANFILES): Likewise.
6851         (protected_4_pic.o, protected_3.err): New targets.
6852         * testsuite/protected_4.cc: New file.
6853
6854 2010-01-12  Doug Kwan  <dougkwan@google.com>
6855
6856         * arm.cc (Cortex_a8_reloc): New class.
6857         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6858         and cortex_a8_relocs_info_.
6859         (Target_arm::fix_cortex_a8): New method definition.
6860         (Target_arm::Cortex_a8_relocs_info): New type.
6861         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6862         New data member declarations.
6863         (Target_arm::scan_reloc_for_stub): Record information about
6864         relocations for THUMB branches that might be exempted from the
6865         Cortex-A8 workaround.
6866         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6867         at the beginning of a relaxation pass.
6868
6869 2010-01-12  Doug Kwan  <dougkwan@google.com>
6870
6871         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6872         (Arm_relobj::Mapping_symbol_position,
6873          Arm_reloj::Mapping_symbol_position_less,
6874          Arm_relobj::Mapping_symbols_info): New types.
6875         (Target_arm::is_mapping_symbol_name): New method definition.
6876         (Arm_relobj::do_count_local_symbols): Save information about mapping
6877         symbols.
6878
6879 2010-01-11  Doug Kwan  <dougkwan@google.com>
6880
6881         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6882         Arm_relocate_functions::thumb32_branch_upper,
6883         Arm_relocate_functions::thumb32_branch_lower,
6884         Arm_relocate_functions::thumb32_cond_branch_offset,
6885         Arm_relocate_functions::thumb32_cond_branch_upper,
6886         Arm_relocate_functions::thumb32_cond_branch_lower,
6887         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6888         branch offset encoding.
6889         (Arm_relocate_functions::thumb_branch_common): Use new branch
6890         offset encoding methods to avoid code duplication.
6891         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6892         (Stub_addend_reader::operator()): Use new branch encoding method
6893         to avoid code duplication.
6894
6895 2010-01-11  Doug Kwan  <dougkwan@google.com>
6896
6897         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6898         (Target_arm::do_finalize_sections): Define special EXIDX section
6899         symbols only if referenced.
6900         * gc.h (Garbage_collection::add_reference): New method.
6901         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6902         code duplication.
6903
6904 2010-01-11  Ian Lance Taylor  <iant@google.com>
6905
6906         * script.cc (Version_script_info::build_expression_list_lookup):
6907         Change complaing about duplicate wildcard match from error to
6908         warning.
6909
6910         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6911         of 2009-12-30.
6912         (Version_script_info::Version_script_info): Initialize globs_,
6913         default_version_, default_is_global_, and exact_.  Don't
6914         initialize globals_ or locals_.
6915         (Version_script_info::build_lookup_tables): Build local symbols
6916         first.
6917         (Version_script_info::unquote): New function.
6918         (Version_script_info::add_exact_match): New function.
6919         (Version_script_info::build_expression_list_lookup): Remove lookup
6920         parameter.  Add is_global parameter.  Change all callers.  Handle
6921         wildcard pattern specially.  Unquote pattern.  Call
6922         add_exact_match.
6923         (Version_script_info::get_name_to_match): New function.
6924         (Version_script_info::get_symbol_version): New function.
6925         (Version_script_info::get_symbol_version_helper): Remove.
6926         (Version_script_info::check_unmatched_names): Call unquote.
6927         * script.h (class Version_script_info): Change get_symbol_version
6928         to be non-inline and add is_global parameter; change all callers.
6929         Rewrite symbol_is_local.  Update declarations.  Define struct
6930         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6931         Remove globals_ and locals_ members.  Add exact_, globs_,
6932         default_version_, is_global_.
6933         (Version_script_info::Glob): Remove pattern, add expression and
6934         is_global.  Update constructor.  Change all callers.
6935         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6936         default version.
6937         (Versions::symbol_section_contents): If a symbol is undefined, or
6938         defined in a dynamic object, set the version index to
6939         VER_NDX_LOCAL.
6940         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6941         symbol_is_local.
6942         (Symbol_table::add_from_pluginobj): Likewise.
6943         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6944
6945 2010-01-11  Doug Kwan  <dougkwan@google.com>
6946
6947         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6948         (incremental_dump_LDADD): Add linking option for libintl.
6949         * Makefile.in: Regenerate.
6950
6951 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6952
6953         PR gold/11144
6954         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6955         instead of -Ds.
6956         * testsuite/Makefile.in: Regenerated.
6957
6958 2010-01-10  Doug Kwan  <dougkwan@google.com>
6959
6960         * options.h (DEFINE_var): Use parentheses around argument varname__
6961         in macro body to avoid any unintended subsequent substitutions.
6962
6963 2010-01-10  Ian Lance Taylor  <iant@google.com>
6964
6965         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6966         candidates before doing symbol resolution.
6967
6968         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6969         ODR candidates if only one is weak.
6970
6971 2010-01-08  Ian Lance Taylor  <iant@google.com>
6972
6973         * script.cc (Version_script_info::build_expression_list_lookup):
6974         Don't warn about ambiguous version, just record the ambiguity.
6975         (Version_script_info::get_symbol_version_helper): Give error if
6976         version is ambiguous.
6977
6978 2010-01-08  Doug Kwan  <dougkwan@google.com>
6979
6980         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6981           prev_data_size_ and prev_addralign_.  Remove initializer for
6982           deleted data member has_been_changed_.
6983           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6984           to determine if the table is empty.
6985           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6986           Remove.
6987           (Stub_table::add_reloc_stub): Define method in class definition
6988           instead of just declaring it there.
6989           (Stub_table::add_cortex_a8_stub): New method definition.
6990           (Stub_table::update_data_size_and_addralign): Ditto.
6991           (Stub_table::finalize_stubs): Ditto.
6992           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6993           (Stub_table::do_addralign_): Return address alignment in the
6994           (Stub_table::do_reset_address_and_file_offset): Define method in
6995           class definition instead of declaring it there.  Set current data
6996           size to be the data size of the previous pass.
6997           (Stub_table::set_final_data_size): Use current data size as the
6998           final data size.
6999           (Stub_table::relocate_stub): Change parameter type of stub from
7000           Reloc_stub pointer to Stub pointer.
7001           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7002           (Stub_table::Cortex_a8_stub_list): New typedef.
7003           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7004            Stub_table::prev_addralign_): New data member.
7005           (Arm_relobj::Arm_relobj): Initialize data member
7006           section_has_cortex_a8_workaround_.
7007           (Arm_relobj::section_has_cortex_a8_workaround,
7008            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7009            definitions.
7010           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7011           declarations.
7012           (Target_arm::relocate_stub): Change parameter type of stub from
7013           Reloc_stub pointer to Stub pointer.
7014           (Insn_template::size, Insn_template::alignment): Handle
7015           THUMB16_SPECIAL_TYPE.
7016           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7017            Stub_table::update_data_size_and_addralign,
7018            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7019           definitions.
7020           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7021           (Stub_table::do_write): Ditto.
7022           (Target_arm::do_relax): Adjust code for changes in Stub_table.
7023
7024 2010-01-08  Ian Lance Taylor  <iant@google.com>
7025
7026         PR 11108
7027         * symtab.h (class Symbol): Remove fields is_target_special_ and
7028         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7029         (Symbol::is_defined_in_discarded_section): New function.
7030         (Symbol::set_is_defined_in_discarded_section): New function.
7031         (Symbol::has_plt_offset): Rewrite.
7032         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7033         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7034         Don't initialize is_target_special_ or has_plt_offset_.
7035         Initialize is_defined_in_discarded_section_.
7036         (Symbol_table::add_from_relobj): If appropriate, set
7037         is_defined_in_discarded_section.
7038         * resolve.cc (Symbol::override_base_with_special): Don't test
7039         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7040         * target-reloc.h (relocate_section): Do special handling for
7041         symbols defined in discarded sections for global symbols as well
7042         as local symbols.
7043
7044 2010-01-08  Ian Lance Taylor  <iant@google.com>
7045
7046         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7047         the SHT_SYMTAB case.
7048
7049 2010-01-08  Ian Lance Taylor  <iant@google.com>
7050
7051         * object.cc (Sized_relobj::do_layout): Don't get confused if
7052         layout_eh_frame returns NULL.
7053
7054 2010-01-08  Ian Lance Taylor  <iant@google.com>
7055
7056         PR 11084
7057         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7058         dynamic symbol table, use the normal symbol table.
7059         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7060         symbol table.
7061
7062 2010-01-08  Ian Lance Taylor  <iant@google.com>
7063
7064         PR 11072
7065         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7066         sections.
7067
7068 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7069
7070         * version.cc (print_version): Change to "Copyright 2010".
7071
7072 2010-01-08  Ian Lance Taylor  <iant@google.com>
7073
7074         PR 10287
7075         PR 11063
7076         * i386.cc (class Target_i386): Change return type of plt_section
7077         to be non-const.
7078         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7079         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7080         tls_desc_rel_ field.
7081         (Output_data_plt_i386::rel_tls_desc): New function.
7082         (Target_i386::rel_tls_desc_section): New function.
7083         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7084         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7085         R_386_TLS_DESC reloc in rel_tls_desc_section.
7086         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7087         Define struct Tlsdesc_info.
7088         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7089         (Target_x86_64::do_reloc_symbol_index): New function.
7090         (Target_x86_64::add_tlsdesc_info): New function.
7091         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7092         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7093         tlsdesc_rel_ field.
7094         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7095         all callers.
7096         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7097         (Target_x86_64::rela_tlsdesc_section): New function.
7098         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7099         handling.
7100         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7101         (Target_x86_64::do_reloc_addend): New function.
7102         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7103         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7104         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7105         (Output_reloc::type): New function.
7106         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7107         (Output_reloc::is_target_specific): New function.
7108         (Output_reloc::target_arg): New function.
7109         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7110         absolute relocs and target specific relocs.
7111         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7112         add_target_specific.
7113         (class Output_data_reloc) [SHT_RELA]: Likewise.
7114         * output.cc (Output_reloc::Output_reloc): Add four new versions
7115         for absolute relocs and target specific relocs.
7116         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7117         (Output_reloc::get_symbol_index): Likewise.
7118         (Output_reloc::local_section_offset): Check that local_sym_index_
7119         is not TARGET_CODE or 0.
7120         (Output_reloc::symbol_value): Likewise.
7121         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7122         reloc.
7123         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7124         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7125         functions.
7126         * layout.cc (add_target_dynamic_tags): Use output section for
7127         DT_PLTRELSZ and DT_JMPREL.
7128
7129 2010-01-07  Ian Lance Taylor  <iant@google.com>
7130
7131         PR 11061
7132         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7133         function.
7134         (class Output_data_reloc_generic): Define.
7135         (class Output_data_reloc_base): Change base class to
7136         Output_data_reloc_generic.  Change add() method to call
7137         bump_relative_reloc_count for a relative reloc.  Remove
7138         sort_relocs_ field.
7139         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7140         to sort_relocs().
7141         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7142         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7143         appropriate.
7144         * layout.h (class Layout): Update declaration.
7145
7146 2010-01-07  Ian Lance Taylor  <iant@google.com>
7147
7148         * output.h (class Output_data): Add const version of
7149         output_section and do_output_section.
7150         (class Output_section_data): Add const version of
7151         do_output_section.
7152         (class Output_section): Likewise.
7153         * layout.cc (Layout::add_target_dynamic_tags): New function.
7154         * layout.h (class Layout): Update declarations.
7155         * arm.cc (Target_arm::do_finalize_sections): Use
7156         add_target_dynamic_tags.
7157         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7158         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7159         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7160         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7161
7162 2010-01-07  Ian Lance Taylor  <iant@google.com>
7163
7164         PR 11042
7165         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7166         object as needed.
7167
7168 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7169             Ian Lance Taylor  <iant@google.com>
7170
7171         PR 11019
7172         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7173         Xindex::read_symtab_xindex.
7174
7175 2010-01-07  Doug Kwan  <dougkwan@google.com>
7176
7177         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7178         (Insn_template::thumb16_bcond_insn): New method declaration.
7179         (Insn_template): Fix spelling.
7180         (Stub::thumb16_special): New method declaration.
7181         (Stub::do_write): Define virtual method which was previously pure
7182         virtual.
7183         (Stub::do_thumb16_special): New method declaration.
7184         (Stub::do_fixed_endian_write): New template member.
7185         (Reloc_stub::do_write): Remove.
7186         (Reloc_stub::do_fixed_endian_write): Remove.
7187         (Cortex_a8_stub): New class definition.
7188         (Stub_factory::make_cortex_a8_stub): New method definition.
7189         (Stub_factory::Stub_factory): Add missing static storage class
7190         qualifier for elf32_arm_stub_a8_veneer_blx.
7191
7192 2010-01-07  Ian Lance Taylor  <iant@google.com>
7193
7194         PR 10980
7195         * options.h (class General_options): Add --warn-unresolved-symbols
7196         and --error-unresolved-symbols.
7197         * errors.cc (Errors::undefined_symbol): Implement
7198         --warn-unresolved-symbols.
7199
7200         * options.h (class General_options): Add -z text and -z textoff.
7201         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7202
7203 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7204
7205         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7206         (Garbage_collection::cident_sections): New function.
7207         (Garbage_collection::add_cident_section): New function.
7208         (Garbage_collection::cident_sections_): New member.
7209         (gc_process_relocs): Add references to sections whose names are C
7210         identifiers.
7211         * gold.h (cident_section_start_prefix): New constant.
7212         (cident_section_stop_prefix): New constant.
7213         (is_cident): New function.
7214         * layout.cc (Layout::define_section_symbols): Replace string constants
7215         with the newly defined constants.
7216         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7217         C identifiers.
7218         * testsuite/Makefile.am: Add gc_orphan_section_test.
7219         * testsuite/Makefile.in: Regenerate.
7220         * testsuite/gc_orphan_section_test.cc: New file.
7221         * testsuite/gc_orphan_section_test.sh: New file.
7222
7223 2010-01-06  Ian Lance Taylor  <iant@google.com>
7224
7225         PR 10980
7226         * options.h (class General_options): Add --warn-shared-textrel.
7227         * layout.cc (Layout::finish_dynamic_section): Implement
7228         --warn-shared-textrel.
7229
7230         PR 10980
7231         * options.h (class General_options): Add --warn-multiple-gp.
7232
7233 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7234
7235         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7236         $(THREADSLIB) and $(LIBDL).
7237         * Makefile.in: Rebuild.
7238
7239 2010-01-06  Ian Lance Taylor  <iant@google.com>
7240
7241         PR 10980
7242         * options.cc (General_options::parse_section_start): New function.
7243         (General_options::section_start): New function.
7244         (General_options::General_options): Initialize all members.
7245         * options.h: Include <map>
7246         (class General_options): Add --section-start.  Add section_starts_
7247         member.
7248         * layout.cc (Layout::attach_allocated_section_to_segment): If
7249         --section-start was used, set the address of the segment.  Remove
7250         local sort_sections.
7251         (Layout::relaxation_loop_body): If the address of the load segment
7252         has been set by --section-start, don't use it.
7253         * output.h (Output_segment::update_flags_for_output_section): New
7254         function.
7255         * output.cc (Output_segment::add_output_section): Call
7256         update_flags_for_output_section.
7257
7258 2010-01-05  Ian Lance Taylor  <iant@google.com>
7259
7260         PR 10980
7261         * options.h (class General_options): Add --undefined-version.
7262         * script.cc (struct Version_expression): Add was_matched_by_symbol
7263         field.
7264         (Version_script_info::matched_symbol): New function.
7265         (Version_script_info::get_symbol_version_helper): Call
7266         matched_symbol.
7267         (Version_script_info::check_unmatched_names): New function.
7268         * script.h (class Version_script_info): Update declarations.
7269         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7270
7271         * options.h (class General_options): Use DEFINE_bool_alias for
7272         allow_multiple_definition.
7273         * resolve.cc (Symbol_table::should_override): Don't test
7274         allow_multiple_definition.
7275
7276         PR 10980
7277         * options.h (class General_options): Add --cref.
7278         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7279         until after printing cref table.
7280         * cref.cc: Include "symtab.h".
7281         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7282         (Cref_table_compare::operator()): New function.
7283         (Cref_inputs::gather_cref): New function.
7284         (filecol): New static const.
7285         (Cref_inputs::print_cref): New function.
7286         (Cref::print_cref): New function.
7287         * cref.h: Include <cstdio>.
7288         (class Cref): Update declarations.
7289         * mapfile.h (Mapfile::file): New function.
7290         * object.h (class Object): Define Symbols.  Declare virtual
7291         do_get_global_symbols.
7292         (Object::get_global_symbols): New function.
7293         * object.cc (Input_objects::add_object): Pass object to cref_ if
7294         --cref.
7295         (Input_objects::archive_start): Likewise.
7296         (Input_objects::archive_stop): Likewise.
7297         (Input_objects::print_cref): New function.
7298         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7299         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7300         --cref.
7301         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7302         function.
7303         * plugin.h (class Sized_pluginobj): Update declarations.
7304
7305 2010-01-05  Ian Lance Taylor  <iant@google.com>
7306
7307         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7308         to is_default_version.  Rename insdef to insdefault.
7309         (Symbol_table::add_from_relobj): Rename def to is_default_version
7310         and local to is_forced_local.
7311         (Symbol_table::add_from_pluginobj): Likewise.
7312         (Symbol_table::add_from_dynobj): Likewise.
7313         (Symbol_table::define_special_symbol): Rename insdef to
7314         insdefault.
7315
7316 2010-01-04  Ian Lance Taylor  <iant@google.com>
7317
7318         PR 10980
7319         * options.h (class General_options): Add
7320         --allow-multiple-definition and -z muldefs.
7321         * resolve.cc (Symbol_table::should_override): Don't warn about a
7322         multiple symbol definition if --allow-multiple-definition or -z
7323         muldefs.
7324
7325         PR 10980
7326         * options.h (class General_options): Add --add-needed and
7327         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7328         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7329         error if --copy-dt-needed-entries aka --add-needed is used and
7330         would cause a change in behaviour.
7331
7332         PR 10980
7333         * options.h (class General_options): Add -G as a short version of
7334         --shared.  Add no-op options -assert, -g, and -i.
7335
7336 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7337
7338         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7339         check for .text or .gnu.linkonce.t sections.
7340         * icf.cc (Icf::find_identical_sections): Ditto.
7341         Change the detection for mangled function name within the section
7342         name.
7343         * icf.h (is_section_foldable_candidate): New function.
7344
7345 2009-12-30  Ian Lance Taylor  <iant@google.com>
7346
7347         PR 10980
7348         * options.h (class General_options): Permit two dashes with
7349         --retain-symbols-file.
7350
7351 2009-12-30  Ian Lance Taylor  <iant@google.com>
7352
7353         PR 10979
7354         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7355         don't put the file header and segment headers in the text
7356         segment.
7357
7358         PR 10979
7359         * common.cc (Sort_commons::operator()): Stabilize sort when both
7360         entries are NULL.
7361         (Symbol_table::do_allocate_commons_list): When allocating common
7362         symbols, skip a symbol which is no longer common.
7363         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7364         an object before checking its type.
7365         * testsuite/common_test_2.c: New file.
7366         * testsuite/common_test_3.c: New file.
7367         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7368         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7369         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7370         (common_test_2_pic.o, common_test_2.so): New targets.
7371         (common_test_3_pic.o, common_test_3.so): New targets.
7372         * testsuite/Makefile.in: Rebuild.
7373
7374         PR 10979
7375         * script.cc (read_input_script): If we see a new SECTIONS clause,
7376         and we have added an input section, give an error.
7377         * layout.h (class Layout): Add have_added_input_section function.
7378         Add have_added_input_section_ field.
7379         * layout.cc (Layout::Layout): Initialize
7380         have_added_input_section_.
7381         (Layout::layout): Set have_added_input_section_.
7382         (Layout::layout_eh_frame): Likewise.
7383
7384 2009-12-30  Ian Lance Taylor  <iant@google.com>
7385
7386         PR 10931
7387         * options.h (class General_options): Add --sort-common option.
7388         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7389         * common.cc (Sort_common): Add sort_order parameter to
7390         constructor.  Add sort_order_ field.
7391         (Sort_commons::operator): Check sort_order_.
7392         (Symbol_table::allocate_commons): Determine the sort order.
7393         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7394         Change all callers.
7395         (Symbol_table::do_allocate_commons_list): Likewise.
7396
7397 2009-12-30  Ian Lance Taylor  <iant@google.com>
7398
7399         PR 10916
7400         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7401         symbols from this object, don't change the visibility of an
7402         undefined symbol.
7403         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7404
7405 2009-12-30  Ian Lance Taylor  <iant@google.com>
7406
7407         PR 10861
7408         * script.h (class Version_script_info): Define Language enum.
7409         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7410         new fields globals_, locals_, and is_finalized_.
7411         * script.cc: Various formatting fixes.
7412         (class Parser_closure): Change language_stack_ from a vector of
7413         std::string to one of Version_script_info::Language.  Adjust all
7414         uses accordingly.
7415         (class Lazy_demangler): Remove.
7416         (struct Version_expression): Change language from std::string to
7417         Version_script_info::Language.
7418         (Version_script_info::Version_script_info): New function.
7419         (Version_script_info::~Version_script_info): Don't call clear.
7420         (Version_script_info::finalize): New function.
7421         (Version_script_info::build_lookup_tables): New function.
7422         (Version_script_info::build_expression_list_lookup): New
7423         function.
7424         (Version_script_info::get_symbol_version_helper): Rewrite to use
7425         lookup tables.
7426         (Version_script_info::print_expression_list): Adjust to use
7427         Version_script_info::Language.
7428         (script_push_lex_into_version_mode): Check that the version script
7429         has not been finalized.
7430         (version_script_push_lang): Change language string to
7431         Version_script_info::Language.
7432         * options.cc (Command_line::version_script): New function.
7433         * options.h (class General_options): Add finalize_dynamic_list
7434         function.  Change version_script from declaration to definition.
7435         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7436         * testsuite/version_script.map: Remove duplicate def of foo.
7437         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7438         version_script.map.
7439         * testsuite/Makefile.in: Rebuild.
7440
7441 2009-12-30  Ian Lance Taylor  <iant@google.com>
7442
7443         PR 10843
7444         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7445         if the input symbol index is 0, make the output symbol index 0.
7446
7447 2009-12-30  Ian Lance Taylor  <iant@google.com>
7448
7449         PR 10670
7450         * options.h (class General_options): Add -x/--discard-all.
7451         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7452         --discard-all.  If the local symbol needs a dynamic entry, check
7453         that before handling --discard-locals.
7454
7455 2009-12-30  Ian Lance Taylor  <iant@google.com>
7456
7457         PR 10450
7458         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7459         flags to PF_R.
7460         (Output_segment::add_output_section): Don't change the flags if
7461         the type is PT_TLS.
7462
7463         PR 10450
7464         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7465         GNU hash table if they need a dynamic value.  Otherwise, don't add
7466         them if they are defined in a dynamic object or are forced local.
7467
7468 2009-12-29  Ian Lance Taylor  <iant@google.com>
7469
7470         PR 10450
7471         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7472         .gnu.hash table for a 32-bit target.
7473
7474         PR 10450
7475         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7476         regular and a dynamic object only needs a dynamic symbol table
7477         entry if it is externally visible.
7478
7479         PR 10450
7480         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7481         constructor.  Add global_offset_table_ field.
7482         (Target_i386::got_section): Set global_offset_table_.
7483         (Target_i386::do_finalize_sections): Set global_offset_table_
7484         size.
7485         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7486         in constructor.  Add global_offset_table_ field.
7487         (Target_x86_64::got_section): Set global_offset_table_.
7488         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7489         size.
7490
7491         * layout.cc (Layout::Layout): Initialize increase_relro_.
7492         (Layout::get_output_section): Add is_relro, is_last_relro, and
7493         is_first_non_relro parameters.  Change all callers.
7494         (Layout::choose_output_section): Likewise.
7495         (Layout::add_output_section_data): Likewise.
7496         (Layout::make_output_section): Likewise.
7497         (Layout::set_segment_offsets): Clear increase_relro when using a
7498         linker script.
7499         * layout.h (class Layout): Add increase_relro method.  Add
7500         increase_relro_ field.  Update declarations.
7501         * output.cc (Output_section::Output_section): Initialize
7502         is_last_relro_ and is_first_non_relro_.
7503         (Output_segment::add_output_section): Group relro sections is
7504         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7505         (Output_segment::maximum_alignment): Remove relro handling.
7506         (Output_segment::set_section_addresses): Add increase_relro
7507         parameter.  Change all callers.  Add initial alignment to align
7508         relro sections on separate page.  Remove old relro handling.
7509         (Output_segment::set_section_list_addresses): Remove in_relro
7510         parameter.  Change all callers.
7511         (Output_segment::set_offset): Add increase parameter.  Change all
7512         callers.  Remove old relro handling.
7513         * output.h (class Output_section): Add new methods: is_last_relro,
7514         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7515         Add is_last_relro_ and is_first_non_relro_ fields.
7516         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7517         Create separate .got.plt section.  Call increase_relro.
7518         * x86_64.cc (Target_x86_64::got_section): Likewise.
7519         * testsuite/relro_script_test.t: Add .got.plt.
7520
7521         PR 10450
7522         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7523         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7524         (Layout::finalize): Call set_dynamic_symbol_size.
7525         (Layout::set_dynamic_symbol_size): New function.
7526         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7527         set_dynamic_symbol_size.
7528
7529         PR 10450
7530         * output.h (class Output_section): Add is_entsize_zero_ field.
7531         * output.cc (Output_section::Output_section): Initialize
7532         is_entsize_zero_.
7533         (Output_section::set_entsize): If two different entsizes are
7534         requested, force it to zero.
7535         (Output_section::add_input_section): Set flags for .debug_str
7536         before updating section flags.  Set entsize.
7537         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7538         and SHF_STRING if all input sections have those flags.
7539
7540 2009-12-29   Rafael Espindola  <espindola@google.com>
7541
7542         * main.cc (main): Fix the sys time reporting.
7543         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7544         reporting.
7545
7546 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7547
7548         * options.cc (General_options::parse_version): Allow -v to exit
7549         without an error if there is nothing to link.
7550
7551 2009-12-29  Ian Lance Taylor  <iant@google.com>
7552
7553         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7554         using a version of gcc before 4.1.
7555         * configure: Rebuild.
7556
7557 2009-12-28  Chris Demetriou  <cgd@google.com>
7558
7559         * attributes.cc (Output_attributes_section_data::do_write): Use
7560         std::vector::front rather than std::vector::data.
7561
7562 2009-12-28  Ian Lance Taylor  <iant@google.com>
7563
7564         * symtab.h (class Symbol_table): Add enum Defined.
7565         * resolve.cc (Symbol_table::should_override): Add defined
7566         parameter.  Change all callers.  Test whether object is NULL
7567         before calling a method on it.
7568         (Symbol_table::report_resolve_problem): Add defined parameter.
7569         Change all callers.
7570         (Symbol_table::should_override_with_special): Likewise.
7571         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7572         parameter.  Change all callers.
7573         (Symbol_table::do_define_in_output_data): Likewise.
7574         (Symbol_table::define_in_output_segment): Likewise.
7575         (Symbol_table::do_define_in_output_segment): Likewise.
7576         (Symbol_table::define_as_constant): Likewise.
7577         (Symbol_table::do_define_as_constant): Likewise.
7578         * script.h (class Symbol_assignment): Add is_defsym parameter to
7579         constructor; change all callers.
7580         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7581         parameter.  Change all callers.  Add is_defsym_ field.
7582         (class Parser_closure): Add parsing_defsym parameter to
7583         constructor; change all callers.  Add parsing_defsym accessor
7584         function.  Add parsing_defsym_ field.
7585
7586 2009-12-28  Ian Lance Taylor  <iant@google.com>
7587
7588         * gold.cc (queue_middle_tasks): Fix formatting.
7589         * object.cc (Relobj::is_section_name_included): Likewise.
7590
7591 2009-12-23  Ian Lance Taylor  <iant@google.com>
7592
7593         * i386.cc (Target_i386::do_calls_non_split): Recognize
7594         -fsplit-stack prologue for a function with a static chain.
7595         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7596         -fsplit-stack prologue when using %r11.
7597
7598 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7599
7600         * options.cc (General_options::parse_version): Make -v continue and do
7601         the link like GNU ld does.
7602
7603 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7604
7605         * Makefile.am (CCFILES): Add timer.cc.
7606         (HFILES): Add timer.h.
7607         * configure.ac: Check for sysconf and times.
7608         * main.cc: include timer.h.
7609         (main): Use Timer instead of get_run_time.
7610         * timer.cc: New.
7611         * timer.h: New.
7612         * workqueue.cc: include timer.h.
7613         (Workqueue::find_and_run_task):
7614         Report user, sys and wall time.
7615         * Makefile.in: Regenerate.
7616         * config.in: Regenerate.
7617         * configure: Regenerate.
7618
7619 2009-12-16  Doug Kwan  <dougkwan@google.com>
7620
7621         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7622         sections.
7623         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7624         relaxed input sections.
7625         * output.cc (Output_section::find_relaxed_input_section): Change
7626         return type to Output_relaxed_input_section pointer.  Adjust code
7627         for new type of relaxed_input_section_map_.
7628         * output.h (Output_section::find_relaxed_input_section): Change
7629         return type to Output_relaxed_input_section pointer.
7630         (Output_section::Output_relaxed_input_section_by_input_section_map):
7631         New type.
7632         (Output_section::relaxed_input_section_map_): Change type to
7633         Output_section::Output_relaxed_input_section_by_input_section_map.
7634         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7635         input section.
7636
7637 2009-12-15  Ian Lance Taylor  <iant@google.com>
7638
7639         * layout.cc (Layout::create_shstrtab): Only write out after input
7640         sections if we are compressing debug sections.
7641
7642 2009-12-15  Ian Lance Taylor  <iant@google.com>
7643
7644         * archive.cc (Archive::add_symbols): Only look up a symbol without
7645         a version if there is, in fact, a version.
7646
7647 2009-12-14  Ian Lance Taylor  <iant@google.com>
7648
7649         Revert -Wshadow changes, all changes from:
7650         2009-12-11  Doug Kwan  <dougkwan@google.com>
7651         2009-12-11  Nick Clifton  <nickc@redhat.com>
7652         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7653
7654 2009-12-11  Doug Kwan  <dougkwan@google.com>
7655
7656         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7657         due to -Wshadow.
7658         * attributes.cc (Object_attribute::size): Ditto.
7659         (Attributes_section_data::size): Ditto.
7660         (Attributes_section_data::Attributes_section_data): Ditto.
7661         (Output_attributes_section_data::do_write): Ditto.
7662         * attributes.h (Object_attribute::set_type): Ditto.
7663         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7664
7665 2009-12-11  Nick Clifton  <nickc@redhat.com>
7666
7667         * archive.cc: Fix shadowed variable warnings.
7668         * arm.cc: Likewise.
7669         * compressed_output.cc: Likewise.
7670         * compressed_output.h: Likewise.
7671         * configure: Likewise.
7672         * dwarf_reader.cc: Likewise.
7673         * dynobj.cc: Likewise.
7674         * dynobj.h: Likewise.
7675         * ehframe.cc: Likewise.
7676         * ehframe.h: Likewise.
7677         * errors.cc: Likewise.
7678         * expression.cc: Likewise.
7679         * fileread.cc: Likewise.
7680         * fileread.h: Likewise.
7681         * freebsd.h: Likewise.
7682         * i386.cc: Likewise.
7683         * icf.cc: Likewise.
7684         * incremental.h: Likewise.
7685         * layout.cc: Likewise.
7686         * layout.h: Likewise.
7687         * mapfile.cc: Likewise.
7688         * merge.cc: Likewise.
7689         * merge.h: Likewise.
7690         * object.cc: Likewise.
7691         * object.h: Likewise.
7692         * options.h: Likewise.
7693         * output.cc: Likewise.
7694         * output.h: Likewise.
7695         * parameters.cc: Likewise.
7696         * plugin.cc: Likewise.
7697         * powerpc.cc: Likewise.
7698         * reduced_debug_output.cc: Likewise.
7699         * reduced_debug_output.h: Likewise.
7700         * reloc.cc: Likewise.
7701         * reloc.h: Likewise.
7702         * resolve.cc: Likewise.
7703         * script-sections.cc: Likewise.
7704         * script.cc: Likewise.
7705         * script.h: Likewise.
7706         * sparc.cc: Likewise.
7707         * symtab.cc: Likewise.
7708         * symtab.h: Likewise.
7709         * target-select.cc: Likewise.
7710         * target-select.h: Likewise.
7711         * token.h: Likewise.
7712         * workqueue.cc: Likewise.
7713         * workqueue.h: Likewise.
7714         * x86_64.cc: Likewise.
7715
7716 2009-12-10  Doug Kwan  <dougkwan@google.com>
7717
7718         * arm.cc (attributes.h): New include.
7719         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7720         (Arm_relobj::~Arm_relobj): Delete object pointed by
7721         attributes_section_data_.
7722         (Arm_relobj::attributes_section_data): New method definition.
7723         (Arm_relobj::attributes_section_data_): New data member declaration.
7724         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7725         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7726         attributes_section_data_.
7727         (Arm_dynobj::attributes_section_data): New method definition.
7728         (Arm_dynobj::attributes_section_data_): New data member declaration.
7729         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7730         initialization value of may_use_blx_ to false.
7731         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7732         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7733         object attributes to compute results instead of hard-coding.
7734         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7735         Target_arm::get_secondary_compatible_arch,
7736         Target_arm::set_secondary_compatible_arch
7737         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7738         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7739         New method declarations.
7740         (Target_arm::get_aeabi_object_attribute): New method definition.
7741         (Target_arm::attributes_section_data_): New data member declaration.
7742         (read_arm_attributes_section): New template definition.
7743         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7744         (Arm_dynobj::do_read_symbols): Ditto.
7745         (Target_arm::do_finalize_sections): Merge attributes sections from
7746         input.  Check for BLX use after attributes section merging.
7747         Fix __exidx_start and __exidx_end visibility.  Create an
7748         .ARM.attributes section if necessary.
7749         (Target_arm::get_secondary_compatible_arch,
7750         Target_arm::set_secondary_compatible_arch,
7751         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7752         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7753         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7754         New method definitions.
7755
7756 2009-12-09  Ian Lance Taylor  <iant@google.com>
7757
7758         * plugin.cc (Plugin::load): Don't cast from void* to a function
7759         pointer.
7760
7761 2009-12-09  Ian Lance Taylor  <iant@google.com>
7762
7763         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7764         information fields.
7765
7766 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7767
7768         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7769         Replace two_file_shared_1.so with two_file_shared_2.so.
7770         * testsuite/Makefile.in: Regenerated.
7771
7772 2009-12-08  Doug Kwan  <dougkwan@google.com>
7773
7774         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7775         (HFILES): Add attributes.h and int_encoding.h.
7776         * Makefile.in: Regenerate.
7777         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7778         function definitions to int_encoding.cc
7779         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7780         prototypes to int_encoding.h
7781         * reduced_debug_output.cc (int_encoding.h): New include.
7782         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7783         function definitions to int_encoding.cc
7784         (insert_into_vector, read_from_pointer): Move template definitions to
7785         int_encoding.h
7786         * attributes.cc: New file.
7787         * attributes.h: New file.
7788         * int_encoding.cc: New file.
7789         * int_encoding.h: New file.
7790
7791 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7792
7793         PR gold/11055
7794         * incremental-dump.cc (dump_incremental_inputs): New.
7795         (main): Use dump_incremental_inputs.
7796
7797 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7798
7799         PR gold/10893
7800         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7801         checking elfcpp::STT_FUNC.
7802         (Target_i386::Relocate::relocate): Likewise.
7803         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7804
7805         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7806         symbols from shared libraries into normal FUNC symbols.
7807
7808         * symtab.h (Symbol): Add is_func and use it.
7809
7810 2009-12-05  Doug Kwan  <dougkwan@google.com>
7811
7812         * arm.cc (Target_arm::arm_info): Initialize new fields
7813         attributes_section and attributes_vendor.
7814         * i386.cc (Target_i386::i386_info): Same.
7815         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7816         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7817         fields attributes_section and attributes_vendor.
7818         * sparc.cc (Target_sparc::sparc_info): Same.
7819         * target.h (Target::attributes_section, Target::attributes_vendor,
7820         Target::is_attributes_section, Target::attribute_arg_type,
7821         Target::attributes_order): New method definitions.
7822         (Target::Target_info::attributes_section,
7823         Target::Target_info::attributes_vendor): New fields.
7824         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7825         virtual method definitions.
7826         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7827         attributes_section and attributes_vendor.
7828         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7829
7830 2009-12-05  Doug Kwan  <dougkwan@google.com>
7831
7832         * arm.cc: Update comments about interworking and stub generation.
7833         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7834         considered as non-PIC.
7835         (Arm_relocate_functions::base_abs): Fix formatting.
7836         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7837         of function to use GOT entry address instead of offset.
7838         (Target_arm::Scan::global): Issue an error if a symbol would need a
7839         PLT does not get one because it is untyped.  Remove code to create
7840         dynamic symbols for relative branches.
7841         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7842         takes unsigned integer instead of boolean.
7843
7844 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7845
7846         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7847         (two_file_test_LDADD): Likewise.
7848         (common_test_1_LDADD): Likewise.
7849         (exception_test_LDADD) Likewise.
7850         (weak_test_LDADD): Likewise.
7851         (many_sections_test_LDADD): Likewise.
7852         (initpri1_LDADD): Likewise.
7853         (script_test_1_LDADD): Likewise.
7854         (script_test_2_LDADD): Likewise.
7855         (justsyms_LDADD): Likewise.
7856         (binary_test_LDADD): Likewise.
7857         (large_LDADD): Likewise.
7858         * testsuite/Makefile.in: Regenerated.
7859
7860 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7861
7862         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7863         (Symbol_table::override_with_special): Likewise.
7864         (Symbol_table::add_from_object): Likewise.
7865
7866 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7867
7868         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7869         Don't set the data_offset twice.
7870
7871 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7872
7873         * testsuite/Makefile.in: Regenerate.
7874
7875 2009-12-03  Doug Kwan  <dougkwan@google.com>
7876
7877         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7878         (Target_arm::do_finalize_sections): Add parameter for symbol table
7879         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7880         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7881         parameter for symbol table pointer.
7882         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7883         an additional parameter for a pointer to symbol table.
7884         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7885         parameter for a symbol table pointer.
7886         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7887         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7888         Ditto.
7889         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7890         parameter for a symbol table pointer.
7891
7892 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7893
7894         * incremental.cc (Incremental_inputs_header)
7895         (Incremental_inputs_header_write, Incremental_inputs_entry)
7896         (Incremental_inputs_entry_write): Move ...
7897         * incremental.h (Incremental_inputs_header)
7898         (Incremental_inputs_header_write, Incremental_inputs_entry)
7899         (Incremental_inputs_entry_write): here.
7900
7901 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7902
7903         * incremental.cc (make_sized_incremental_binary): Set the target.
7904         Error if it is incompatible.
7905         * output.h (Output_file): Add filename method.
7906
7907 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7908
7909         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7910         from the get_* methods.
7911
7912 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7913
7914         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7915         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7916         Write 0 for the data_offset of scripts.
7917
7918 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7919
7920         * testsuite/Makefile.am: Add the incremental_test.sh test.
7921         * testsuite/incremental_test.sh: New.
7922         * testsuite/incremental_test_1.c: New.
7923         * testsuite/incremental_test_2.c: New.
7924
7925 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7926
7927        * incremental-dump.cc (main): Fix typos.
7928
7929 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7930
7931         PR gold/11025
7932         * incremental-dump.cc (main): Use llu to print 64 bit values.
7933
7934 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7935             H.J. Lu  <hongjiu.lu@intel.com>
7936
7937         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7938         $(LIBDL).
7939         (incremental_dump_LDADD): Likewise.
7940         * Makefile.in: Regenerated.
7941
7942 2009-11-25  Doug Kwan  <dougkwan@google.com>
7943
7944         Revert:
7945
7946         2009-11-25  Doug Kwan  <dougkwan@google.com>
7947
7948                 * arm.cc (Target_arm::Target_arm): Move method definition
7949                 outside of class definition.  Add code to handle
7950                 --target1-rel, --target1-abs and --target2= options.
7951                 (Target_arm::get_reloc_reloc_type): Change method to be
7952                 non-static and const.
7953                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7954                 New data member declaration.
7955                 (Target_arm::Scan::local, Target_arm::Scan::global,
7956                 Target_arm::Relocate::relocate,
7957                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7958                 Adjust call to Target_arm::get_real_reloc_type.
7959                 (Target_arm::get_real_reloc_type): Use command line options
7960                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7961                 * options.h (--target1-rel, --target1-abs, --target2): New
7962                 ARM-only options.
7963
7964 2009-11-25  Doug Kwan  <dougkwan@google.com>
7965
7966         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7967         class definition.  Add code to handle --target1-rel, --target1-abs
7968         and --target2= options.
7969         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7970         and const.
7971         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7972         member declaration.
7973         (Target_arm::Scan::local, Target_arm::Scan::global,
7974         Target_arm::Relocate::relocate,
7975         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7976         call to Target_arm::get_real_reloc_type.
7977         (Target_arm::get_real_reloc_type): Use command line options to
7978         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7979         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7980         options.
7981
7982 2009-11-25  Doug Kwan  <dougkwan@google.com>
7983
7984         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7985         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7986         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7987         formatting.
7988         (Arm_relocate_functions::thm_call): Replace body with a call to
7989         Arm_relocate_functions::thumb_branch_common.
7990         (Arm_relocate_functions::thm_jump24,
7991         Arm_relocate_functions::thm_xpc22): New method definitions.
7992         (Arm_relocate_functions::thumb_branch_common): New method definition.
7993         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7994         operator.
7995         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7996         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7997
7998 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7999
8000         * Makefile.am: Build incremental-dump
8001         * Makefile.in: Regenerate.
8002         * incremental-dump.cc: New.
8003         * incremental.cc (Incremental_inputs_header_data,
8004         Incremental_inputs_entry_data): Move to incremental.h
8005         * incremental.h: (Incremental_inputs_header_data,
8006         Incremental_inputs_entry_data): Move from incremental.cc
8007
8008 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8009
8010         * incremental.cc (Incremental_inputs_header,
8011         Incremental_inputs_header_write, Incremental_inputs_entry,
8012         Incremental_inputs_entry_write): Add a typedef with the data type.
8013
8014 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8015
8016         * incremental.cc (Incremental_inputs_header,
8017         Incremental_inputs_header_write, Incremental_inputs_entry,
8018         Incremental_inputs_entry_write): Update comment about which
8019         type has the filed descriptions.
8020
8021 2009-11-15  Doug Kwan  <dougkwan@google.com>
8022
8023         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8024         (Arm_relocate_functions::arm_branch_common): Change method defintion
8025         in class definition to a method declaration and update list of formal
8026         parameters.
8027         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8028         Arm_relocation_functions::jump24): Adjust call to
8029         Arm_relocate_functions::arm_branch_common.  Update list of formal
8030         parameters.
8031         (Arm_relocate_functions::xpc25): New method definition.
8032         (Arm_relocate_functions::arm_branch_common): Move method defintion
8033         out from class definition.  Use stubs for mode-switching and extending
8034         branch ranges.
8035         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8036         specially.  Change code to enable use of stubs in ARM branches.
8037
8038 2009-11-10  Doug Kwan  <dougkwan@google.com>
8039
8040         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8041         in method declaration.
8042         (Target_arm::relocate_stub): New method declaration.
8043         (Target_arm::default_target): Change to return a pointer instead of
8044         a const reference.
8045         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8046         Target_arm::default_target.
8047         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8048         method definition.
8049         (Target_arm::relocate_section): Adjust view.
8050         (Target_arm::relocate_stub): New method definition.
8051
8052 2009-11-10  Doug Kwan  <dougkwan@google.com>
8053
8054         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8055         a format warning.
8056         * incremental.cc (open_incremental_binary): Initialized local
8057         variables to avoid warnings.
8058         * object.cc (make_elf_object): Ditto.
8059         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8060         a format warning.
8061
8062 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8063
8064         PR gold/10930
8065         * testsuite/plugin_test.c: Include "config.h".
8066
8067 2009-11-09  Doug Kwan  <dougkwan@google.com>
8068
8069         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8070         (arm_symbol_value): Remove.
8071         (Arm_relocate_functions::arm_branch_common,
8072         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8073         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8074         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8075         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8076         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8077         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8078         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8079         Arm_relocate_functions::thm_mobw_abs_nc,
8080         Arm_relocate_functions::thm_mov_abs,
8081         Arm_relocate_functions::movw_prel_nc,
8082         Arm_relocate_functions::thm_movt_abs,
8083         Arm_relocate_functions::movt_prel,
8084         Arm_relocate_functions::thm_movw_prel_nc,
8085         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8086         (Target_arm::Relocate::relocate): Only decompose address into two
8087         parts if relocation type uses the thumb-bit and pass the actual
8088         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8089         calls to methods in Arm_relocate_functions for this change.
8090
8091 2009-11-08  Ian Lance Taylor  <iant@google.com>
8092
8093         PR 10925
8094         * reloc.cc: Instantiate
8095         Sized_relobj::initialize_input_to_output_maps and
8096         Sized_relobj:free_input_to_output_maps.
8097
8098 2009-11-06  Ian Lance Taylor  <iant@google.com>
8099
8100         PR 10876
8101         * defstd.cc (in_segment): Set only_if_ref true for "end".
8102
8103 2009-11-06  Doug Kwan  <dougkwan@google.com>
8104
8105         * arm.cc (class Reloc_stub): Correct a comment.
8106         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8107         (Target_arm::scan_section_for_stubs): New method declaration.
8108         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8109         Change methods from private to protected.
8110         (Target_arm::do_may_relax): New method definition.
8111         (Target_arm::do_relax, Target_arm::group_sections,
8112         Target_arm::scan_reloc_for_stub,
8113         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8114         (Target_arm::arm_input_section_map_): New data member declaration.
8115         (Target_arm::scan_reloc_for_stub,
8116         Target_arm::scan_reloc_section_for_stubs,
8117         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8118         Target_arm::do_relax): New method definitions.
8119
8120 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8121
8122         * configure.ac: Check for (struct stat)::st_mtim
8123         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8124         * config.in: Regenerate.
8125         * configure: Regenerate.
8126
8127 2009-11-05  Ian Lance Taylor  <iant@google.com>
8128
8129         PR 10910
8130         * output.cc (Output_segment::add_output_section): Add missing
8131         return statement.
8132
8133 2009-11-04  Ian Lance Taylor  <iant@google.com>
8134
8135         PR 10880
8136         * object.h (class Object): Add is_needed and set_is_needed
8137         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8138         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8139         defined in a dynamic object and referenced by a regular object,
8140         set is_needed for the dynamic object.
8141         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8142         if the file is marked with as_needed and it is not needed.
8143
8144 2009-11-04  Ian Lance Taylor  <iant@google.com>
8145
8146         PR 10887
8147         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8148         tags if data is discarded by linker script.
8149         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8150         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8151         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8152         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8153
8154 2009-11-04  Ian Lance Taylor  <iant@google.com>
8155
8156         * layout.cc (Layout::get_output_section): Add is_interp and
8157         is_dynamic_linker_section parameters.  Change all callers.
8158         (Layout::choose_output_section): Likewise.
8159         (Layout::make_output_section): Likewise.
8160         (Layout::add_output_section_data): Add is_dynamic_linker_section
8161         parameter.  Change all callers.
8162         * layout.h (class Layout): Update declarations.
8163         * output.h (class Output_section): Add is_interp, set_is_interp,
8164         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8165         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8166         generate_code_fills_at_write_ to a bitfield.
8167         * output.cc (Output_section::Output_sections): Initialize new
8168         fields.
8169         (Output_segment::add_output_section): Add do_sort parameter.
8170         Change all callers.
8171
8172 2009-11-03  Ian Lance Taylor  <iant@google.com>
8173
8174         PR 10860
8175         * options.h (class General_options): Add --warn-common.
8176         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8177         merging two common symbols.
8178         (Symbol_table::should_override): Handle --warn-common when merging
8179         a common symbol with a defined symbol.  Use report_resolve_problem
8180         for multiple definitions.
8181         (Symbol_table::report_resolve_problem): New function.
8182         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8183
8184 2009-11-03  Doug Kwan  <dougkwan@google.com>
8185
8186         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8187         stub_factory_.
8188         (Target_arm::stub_factory): New method definition.
8189         (Target_arm::new_arm_input_section,
8190         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8191         Target_arm::reloc_uses_thumb_bit): New method declarations.
8192         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8193         New type definitions.
8194         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8195         member declarations.
8196         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8197         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8198         New method definitions.
8199
8200 2009-11-03  Ian Lance Taylor  <iant@google.com>
8201
8202         * options.h (class General_options): Add --warn_constructors.
8203
8204 2009-11-03  Ian Lance Taylor  <iant@google.com>
8205
8206         PR 10893
8207         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8208         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8209
8210 2009-11-03  Ian Lance Taylor  <iant@google.com>
8211
8212         PR 10895
8213         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8214         --msgid-bugs-address.
8215         (install-pdf): New target.
8216         (install-data_yes): Look up one directory to find mkinstalldirs.
8217
8218 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8219
8220         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8221         tree.
8222
8223 2009-10-30  Doug Kwan  <dougkwan@google.com>
8224
8225         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8226
8227 2009-10-30  Doug Kwan  <dougkwan@google.com>
8228
8229         * arm.cc (Stub_addend_reader): New struct template definition
8230         and partial specializations.
8231         (Stub_addend_reader::operator()): New method definition for a
8232         partially specialized template.
8233
8234 2009-10-30  Doug Kwan  <dougkwan@google.com>
8235
8236         * arm.cc (Arm_relobj::processor_specific_flags): New method
8237         definition.
8238         (Arm_relobj::do_read_symbols): New method declaration.
8239         (Arm_relobj::processor_specific_flags_): New data member declaration.
8240         (Arm_dynobj): New class definition.
8241         (Target_arm::do_finalize_sections): Add input_objects parameter.
8242         (Target_arm::do_adjust_elf_header): New method declaration.
8243         (Target_arm::are_eabi_versions_compatible,
8244         (Target_arm::merge_processor_specific_flags): New method declaration.
8245         (Target_arm::do_make_elf_object): New overloaded method definitions
8246         and declaration.
8247         (Arm_relobj::do_read_symbols): New method definition.
8248         (Arm_dynobj::do_read_symbols): Ditto.
8249         (Target_arm::do_finalize_sections): Add input_objects parameters.
8250         Merge processor-specific flags from all input objects.
8251         (Target_arm::are_eabi_versions_compatible,
8252         Target_arm::merge_processor_specific_flags,
8253         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8254         New method definitions.
8255         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8256         Input_objects pointer type parameter.
8257         * layout.cc (Layout::finalize): Pass input objects to target's.
8258         finalize_sections function.
8259         * output.cc (Output_file_header::do_sized_write): Set ELF file
8260         header's processor-specific flags.
8261         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8262         Input_objects pointer type parameter.
8263         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8264         * target.h (Input_objects): New forward class declaration.
8265         (Target::processor_specific_flags,
8266         Target::are_processor_specific_flags_sect): New method definitions.
8267         (Target::finalize_sections): Add input_objects parameter.
8268         (Target::Target): Initialize processor_specific_flags_ and
8269         are_processor_specific_flags_set_.
8270         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8271         parameter.
8272         (Target::set_processor_specific_flags): New method definition.
8273         (Target::processor_specific_flags_,
8274         Target::are_processor_specific_flags_set_): New data member
8275         declarations.
8276         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8277         Input_objects pointer type parameter.
8278
8279 2009-10-30  Doug Kwan  <dougkwan@google.com>
8280
8281         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8282
8283 2009-10-28  Ian Lance Taylor  <iant@google.com>
8284
8285         * object.h (class Relobj): Drop options parameter from
8286         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8287         do_scan_relocs, do_relocate.  Change all callers.
8288         (class Sized_relobj): Drop options parameters from
8289         do_gc_process_relocs, do_scan_relocs, do_relocate,
8290         do_relocate_sections, relocate_sections, emit_relocs_scan,
8291         emit_relocs_scan_reltype.  Change all callers.
8292         (struct Relocate_info): Remove options field and all references to
8293         it.
8294         * reloc.h (class Read_relocs): Remove options constructor
8295         parameter and options_ field.  Change all callers.
8296         (class Gc_process_relocs, class Scan_relocs): Likewise.
8297         (class Relocate_task): Likewise.
8298         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8299         all callers.
8300         (scan_relocatable_relocs): Likewise.
8301         * target.h (class Sized_target): Remove options parameter from
8302         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8303         all callers.
8304         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8305         callers.
8306         * arm.cc: Update functions to remove options parameters.
8307         * i386.cc: Likewise.
8308         * powerpc.cc: Likewise.
8309         * sparc.cc: Likewise.
8310         * x86_64.cc: Likewise.
8311         * testsuite/testfile.cc: Likewise.
8312
8313 2009-10-28  Doug Kwan  <dougkwan@google.com>
8314
8315         * arm.cc (Arm_relobj): New class definition.
8316         (Arm_relobj::scan_sections_for_stubs,
8317         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8318         New method definitions.
8319
8320 2009-10-28  Cary Coutant  <ccoutant@google.com>
8321
8322         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8323         (Plugin::cleanup_done_): New member.
8324         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8325         (Plugin_manager::cleanup_done_): Remove.
8326         (Plugin_manager::add_input_file): Edit error message.
8327         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8328         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8329
8330 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8331
8332         * fileread.cc: (File_read::View::~View): Use the new
8333         data_ownership_ filed.
8334         (File_read::~File_read): Dispose the new whole_file_view_.
8335         (File_read::open): Mmap the whole file if needed.
8336         (File_read::open): Use whole_file_view_ instead of contents_.
8337         (File_read::find_view): Use whole_file_view_ if applicable.
8338         (File_read::do_read): Use whole_file_view_ instead of contents_.
8339         (File_read::make_view): Use whole_file_view_ instead of contents_,
8340         update File_read::View::View call.
8341         (File_read::find_or_make_view): Update File_read::View::View
8342         call.
8343         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8344         remove contents_
8345         (File_read::View::Data_ownership): New enum.
8346         (File_read::View::View): Replace bool mapped_ with Data_ownership
8347         argument.
8348         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8349         (File_read::View::data_ownership_): New field.
8350         (File_read::contents_): Remove (replaced by whole_file_view_).
8351         (File_read::whole_file_view_): New field.
8352         * options.h (class General_options): Add --keep-files-mapped.
8353
8354 2009-10-27  Cary Coutant  <ccoutant@google.com>
8355
8356         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8357         * testsuite/Makefile.am (plugin_test_5): New test case.
8358         * testsuite/Makefile.in: Regenerate.
8359
8360 2009-10-25  Doug Kwan  <dougkwan@google.com>
8361
8362         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8363         from private to protected to allow access by child class.
8364         (Sized_relobj::do_relocate_sections): New method declaration.
8365         (Sized_relobj::relocate_sections): Virtualize.
8366         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8367         Sized_relobj::relocate_sections.  Instantiate template explicitly
8368         for different target sizes and endianity.
8369
8370 2009-10-24  Doug Kwan  <dougkwan@google.com>
8371
8372         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8373         (Arm_input_section::as_arm_input_section): New method.
8374         (Arm_output_section): New class definition.
8375         (Arm_output_section::create_stub_group,
8376         Arm_output_section::group_sections): New method definitions.
8377
8378 2009-10-22  Doug Kwan  <dougkwan@google.com>
8379
8380         * arm.cc (Arm_input_section): New class definition.
8381         (Arm_input_section::init, Arm_input_section:do_write,
8382         Arm_input_section::set_final_data_size,
8383         Arm_input_section::do_reset_address_and_file_offset): New method
8384         definitions.
8385
8386 2009-10-21  Doug Kwan  <dougkwan@google.com>
8387
8388         * arm.cc (Stub_table, Arm_input_section): New forward class
8389         declarations.
8390         (Stub_table): New class defintion.
8391         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8392         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8393         New method definition.
8394
8395 2009-10-21  Doug Kwan  <dougkwan@google.com>
8396
8397         * arm.cc: Update copyright comments.
8398         (Target_arm): New forward class template declaration.
8399         (Arm_address): New type.
8400         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8401         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8402         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8403         constants.
8404         (Insn_template): Same.
8405         (DEF_STUBS): New macro.
8406         (Stub_type): New enum type.
8407         (Stub_template): New class definition.
8408         (Stub): Same.
8409         (Reloc_stub): Same.
8410         (Stub_factory): Same.
8411         (Target_arm::Target_arm): Initialize may_use_blx_ and
8412         should_force_pic_veneer_.
8413         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8414         Target_arm::should_force_pic_veneer,
8415         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8416         Target_arm::using_thumb_only, Target_arm:;default_target): New
8417         method defintions.
8418         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8419         New data member declarations.
8420         (Insn_template::size, Insn_template::alignment): New method defintions.
8421         (Stub_template::Stub_template): New method definition.
8422         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8423         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8424         (Stub_factory::Stub_factory): New method definition.
8425         * gold.h (string_hash): New template.
8426         * output.h (Input_section_specifier::hash_value): Use
8427         gold::string_hash.
8428         (Input_section_specifier::string_hash): Remove.
8429         * stringpool.cc (Stringpool_template::string_hash): Use
8430         gold::string_hash.
8431
8432 2009-10-20  Doug Kwan  <dougkwan@google.com>
8433
8434         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8435         symbols of relaxed input sections.
8436         * output.h (Output_section::find_relaxed_input_section): Make
8437         method public.
8438
8439 2009-10-16  Doug Kwan  <dougkwan@google.com>
8440
8441         * dynobj.cc (Versions::Versions): Initialize version_script_.
8442         Only insert base version symbol definition for a shared object
8443         if version script defines any version versions.
8444         (Versions::define_base_version): New method definition.
8445         (Versions::add_def): Check that base version is not needed.
8446         (Versions::add_need): Define base version lazily.
8447         * dynobj.h (Versions::define_base_version): New method declaration.
8448         (Versions::needs_base_version_): New data member declaration.
8449         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8450         (check_DATA): Add no_version_test.stdout.
8451         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8452         New make rules.
8453         * testsuite/Makefile.in: Regenerate.
8454         * testsuite/no_version_test.c: New file.
8455         * testsuite/no_version_test.sh: Ditto.
8456
8457 2009-10-16  Doug Kwan  <dougkwan@google.com>
8458
8459         * expression.cc (class Segment_start_expression): New class definition.
8460         (Segment_start_expression::value): New method definition.
8461         (script_exp_function_segment_start): Return a new
8462         Segment_start_expression.
8463         * gold/script-c.h (script_saw_segment_start_expression): New function
8464         prototype.
8465         * script-sections.cc (Script_sections::Script_sections): Initialize
8466         SAW_SEGMENT_START_EXPRESSION_ to false.
8467         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8468         and -Tbbs options to specify section addresses if given in
8469         command line and no SEGMENT_START expression is seen in a script.
8470         * script-sections.h (Script_sections::saw_segment_start_expression,
8471         Script_sections::set_saw_segment_start_expression): New method
8472         definition.
8473         (Script_sections::saw_segment_start_expression_): New data member
8474         declaration.
8475         * script.cc (script_saw_segment_start_expression): New function.
8476         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8477         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8478         script_test_7.sh and script_test_8.sh.
8479         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8480         script_test_8.stdout.
8481         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8482         (script_test_6, script_test_6.stdout, script_test_7,
8483         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8484         * Makefile.in: Regenerate.
8485         * testsuite/script_test_6.sh: New file.
8486         * testsuite/script_test_6.t: Same.
8487         * testsuite/script_test_7.sh: Same.
8488         * testsuite/script_test_7.t: Same.
8489         * testsuite/script_test_8.sh: Same.
8490
8491 2009-10-16  Doug Kwan  <dougkwan@google.com>
8492
8493         * output.cc (Output_segment::set_section_list_address): Cast
8494         expressions to unsigned long long type to avoid format warnings.
8495
8496 2009-10-15  Ian Lance Taylor  <iant@google.com>
8497
8498         * script.cc (Script_options::add_symbol_assignment): Always add a
8499         dot assignment to script_sections_.
8500         * script-sections.cc (Script_sections::add_dot_assignment):
8501         Initialize if necessary.
8502
8503         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8504         program headers with no load segment if there is a linker script.
8505
8506         * layout.cc (Layout::set_segment_offsets): Align the file offset
8507         to the segment aligment for -N or -n with no load segment.
8508         * output.cc (Output_segment::add_output_section): Don't crash if
8509         the first section is a TLS section.
8510         (Output_segment::set_section_list_addresses): Print an error
8511         message if the address moves backward in a linker script.
8512         * script-sections.cc
8513         (Output_section_element_input::set_section_addresses): Don't
8514         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8515         (Orphan_output_section::set_section_addresses): Likewise.
8516
8517 2009-10-15  Doug Kwan  <dougkwan@google.com>
8518
8519         * layout.cc (Layout::finish_dynamic_section): Generate tags
8520         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8521         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8522         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8523
8524 2009-10-14  Ian Lance Taylor  <iant@google.com>
8525
8526         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8527         fields.
8528         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8529         data_shdr fields of relinfo.
8530         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8531         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8532         R_386_TLS_LDO_32, adjust based on section flags.
8533         (Target_i386::Relocate::fix_up_ldo): Remove.
8534
8535 2009-10-13  Ian Lance Taylor  <iant@google.com>
8536
8537         Add support for -pie.
8538         * options.h (class General_options): Add -pie and
8539         --pic-executable.
8540         (General_options::output_is_position_independent): Test -pie.
8541         (General_options::output_is_executable): Return true if not shared
8542         and not relocatable.
8543         (General_options::output_is_pie): Remove.
8544         * options.cc (General_options::finalize): Reject incompatible uses
8545         of -pie.
8546         * gold.cc (queue_middle_tasks): A -pie link is not static.
8547         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8548         * symtab.cc (Symbol::final_value_is_known): Return false if
8549         output_is_position_independent.
8550         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8551         output_is_position_independent.
8552         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8553         output_is_position_independent.
8554         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8555         output_is_position_independent.
8556         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8557         two_file_pie_test.
8558         (basic_pie_test.o, basic_pie_test): New targets.
8559         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8560         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8561         (two_file_pie_test): New target.
8562         * testsuite/Makefile.in: Rebuild.
8563         * README: Remove note saying that -pie is not supported.
8564
8565 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8566
8567         * options.h (class General_options): Add -init and -fini.
8568         * layout.cc (Layout::finish_dynamic_section): Emit
8569         given init and fini functions.
8570
8571 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8572
8573         * gc.h (gc_process_relocs): Check if icf is enabled using new
8574         function.
8575         * gold.cc (queue_initial_tasks): Likewise.
8576         (queue_middle_tasks): Likewise.
8577         * object.cc (do_layout): Likewise.
8578         * symtab.cc (is_section_folded): Likewise.
8579         * main.cc (main): Likewise.
8580         * reloc.cc (Read_relocs::run): Likewise.
8581         (Sized_relobj::do_scan_relocs): Likewise.
8582         * icf.cc (is_function_ctor_or_dtor): New function.
8583         (Icf::find_identical_sections): Check if function is ctor or dtor when
8584         safe icf is chosen.
8585         * options.h (General_options::icf): Change option to be an enum.
8586         (Icf_status): New enum.
8587         (icf_enabled): New method.
8588         (icf_safe_folding): New method.
8589         (set_icf_status): New method.
8590         (icf_status_): New variable.
8591         * (options.cc) (General_options::finalize): Set icf_status_.
8592         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8593         icf_test and icf_keep_unique_test to use the --icf enum flag.
8594         * testsuite/icf_safe_test.sh: New file.
8595         * testsuite/icf_safe_test.cc: New file.
8596
8597 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8598
8599         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8600         includes to gc.h and icf.h.
8601         * arm.cc: Include gc.h.
8602         * gold.cc: Likewise.
8603         * i386.cc: Likewise.
8604         * powerpc.cc: Likewise.
8605         * sparc.cc: Likewise.
8606         * x86_64.cc: Likewise.
8607         * gc.h: Include icf.h.
8608
8609 2009-10-11  Ian Lance Taylor  <iant@google.com>
8610
8611         * plugin.cc: Include "gold.h" before other header files.
8612
8613 2009-10-10  Chris Demetriou  <cgd@google.com>
8614
8615         * options.h (Input_file_argument::Input_file_type): New enum.
8616         (Input_file_argument::is_lib_): Replace with...
8617         (Input_file_argument::type_): New member.
8618         (Input_file_argument::Input_file_argument): Take Input_file_type
8619         'type' rather than boolean 'is_lib' as second argument.
8620         (Input_file_argument::is_lib): Use type_.
8621         (Input_file_argument::is_searched_file): New function.
8622         (Input_file_argument::may_need_search): Handle is_searched_file.
8623         * options.cc (General_options::parse_library): Support -l:filename.
8624         (General_options::parse_just_symbols): Update for Input_file_argument
8625         changes.
8626         (Command_line::process): Likewise.
8627         * archive.cc (Archive::get_file_and_offset): Likewise.
8628         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8629         * script.cc (read_script_file, script_add_file): Likewise.
8630         * fileread.cc (Input_file::Input_file): Likewise.
8631         (Input_file::will_search_for): Handle is_searched_file.
8632         (Input_file::open): Likewise.
8633         * readsyms.cc (Read_symbols::get_name): Likewise.
8634         * testsuite/Makefile.am (searched_file_test): New test.
8635         * testsuite/Makefile.in: Regenerate.
8636         * testsuite/searched_file_test.cc: New file.
8637         * testsuite/searched_file_test_lib.cc: New file.
8638
8639 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8640             Ian Lance Taylor  <iant@google.com>
8641
8642         * descriptor.cc: Include <cstdio> and "binary-io.h".
8643         (Descriptors::open): Open the files in binary mode always.
8644         * script.cc (Lex::get_token): Treat \r as whitespace.
8645
8646 2009-10-09  Ian Lance Taylor  <iant@google.com>
8647
8648         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8649
8650 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8651             Ian Lance Taylor  <iant@google.com>
8652
8653         * configure.ac: Check for readv function also.
8654         * fileread.cc (readv): Define if not HAVE_READV.
8655         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8656         does not exist.
8657         * config.in: Regenerate.
8658         * configure: Regenerate.
8659
8660 2009-10-09  Doug Kwan  <dougkwan@google.com>
8661
8662         * layout.cc (Layout::make_output_section): Call target hook to make
8663         ordinary output section.
8664         (Layout::finalize): Adjust parameter list of call the
8665         Target::may_relax().
8666         * layout.h (class Layout::section_list): New method.
8667         * merge.h (Output_merge_base::entsize): Change visibility to public.
8668         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8669         New methods.
8670         (Output_merge_string::do_is_string): New method.
8671         * object.cc (Sized_relobj::do_setup): renamed from
8672         Sized_relobj::set_up.
8673         * object.h (Sized_relobj::adjust_shndx,
8674         Sized_relobj::initializ_input_to_output_maps,
8675         Sized_relobj::free_input_to_output_maps): Change visibilities to
8676         protected.
8677         (Sized_relobj::setup): Virtualize.
8678         (Sized_relobj::do_setup): New method declaration.
8679         (Sized_relobj::invalidate_section_offset,
8680         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8681         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8682         * options.cc (parse_int): New function.
8683         * options.h (parse_int): New declaration.
8684         (DEFINE_int): New macro.
8685         (stub_group_size): New option.
8686         * output.cc (Output_section::Output_section): Initialize memebers
8687         merge_section_map_, merge_section_by_properties_map_,
8688         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8689         (Output_section::add_input_section): Handled deferred code-fill
8690         generation and remove an old comment.
8691         (Output_section::add_relaxed_input_section): New method definition.
8692         (Output_section::add_merge_input_section): Use merge section by
8693         properties map to speed to search.  Update merge section maps
8694         as appropriate.
8695         (Output_section::build_relaxation_map): New method definition.
8696         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8697         Same.
8698         (Output_section::relax_input_section): Renamed to
8699         Output_section::convert_input_sections_to_relaxed_sections and change
8700         interface to take a vector of pointers to relaxed sections.
8701         (Output_section::find_merge_section,
8702         Output_section::find_relaxed_input_section): New method definitions.
8703         (Output_section::is_input_address_mapped,
8704         Output_section::output_offset, Output_section::output_address):
8705         Use output section data maps to speed up searching.
8706         (Output_section::find_starting_output_address): Add comments.
8707         (Output_section::do_write,
8708         Output_section::write_to_postprocessing_buffer): Do code-fill
8709         generation as appropriate.
8710         (Output_section::get_input_sections): Invalidate relaxed input section
8711         map.
8712         (Output_section::restore_states): Adjust type of checkpoint .
8713         Invalidate relaxed input section map.
8714         * output.h (Output_merge_base): New class declaration.
8715         (Input_section_specifier): New class defintion.
8716         (class Output_relaxed_input_section) Change base class to
8717         Output_section_data_build.
8718         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8719         base class initializer.
8720         (Output_section::add_relaxed_input_section): New method declaration.
8721         (Output_section::Input_section): Change visibility to protected.
8722         (Output_section::Input_section::relobj,
8723         Output_section::Input_section::shndx): Handle relaxed input sections.
8724         Output_section::input_sections) Change visibility to protected.  Also
8725         define overload to return a non-const pointer.
8726         (Output_section::Merge_section_properties): New class defintion.
8727         (Output_section::Merge_section_by_properties_map,
8728         Output_section::Output_section_data_by_input_section_map,
8729         Output_section::Relaxation_map): New types.
8730         (Output_section::relax_input_section): Rename method to
8731         Output_section::convert_input_sections_to_relaxed_sections and change
8732         interface to take a vector of relaxed section pointers.
8733         (Output_section::find_merge_section,
8734         Output_section::find_relaxed_input_section,
8735         Output_section::build_relaxation_map,
8736         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8737         New method declarations.
8738         (Output_section::merge_section_map_
8739         Output_section::merge_section_by_properties_map_,
8740         Output_section::relaxed_input_section_map_,
8741         Output_section::is_relaxed_input_section_map_valid_,
8742         Output_section::generate_code_fills_at_write_): New data members.
8743         * script-sections.cc
8744         (Output_section_element_input::set_section_addresses): Call
8745         current_data_size and addralign methods of relaxed input sections.
8746         (Orphan_output_section::set_section_addresses): Call current_data_size
8747         and addralign methods of relaxed input sections.
8748         * symtab.cc (Symbol_table::compute_final_value): Extract template
8749         from the body of Symbol_table::sized_finalize_symbol.
8750         (Symbol_table::sized_finalized_symbol): Call
8751         Symbol_table::compute_final_value.
8752         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8753         (Symbol_table::compute_final_value): New templated method declaration.
8754         * target.cc (Target::do_make_output_section): New method defintion.
8755         * target.h (Target::make_output_section): New method declaration.
8756         (Target::relax): Add more parameters for input objects, symbol table
8757         and layout.  Adjust call to do_relax.
8758         (Target::do_make_output_section): New method declaration.
8759         (Target::do_relax): Add parameters for input objects, symbol table
8760         and layout.
8761
8762 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8763
8764         * pread.c: Include stdio.h.
8765
8766 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8767
8768         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8769         defined.
8770
8771 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8772
8773         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8774         Change read_shndx type to unsigned int.
8775         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8776         int.
8777         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8778         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8779         Change read_shndx type to unsigned int.
8780         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8781         int.
8782         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8783         * layout.cc (Layout::create_symtab_sections): Cast the result of
8784         local_symcount * symsize to off_t in the gold_assert.
8785
8786 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8787
8788         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8789         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8790         R_ARM_BASE_ABS.
8791         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8792         (Arm_relocate_functions::thm_abs5): New function.
8793         (Arm_relocate_functions::abs12): New function.
8794         (Arm_relocate_functions::abs16): New function.
8795         (Arm_relocate_functions::base_abs): New function.
8796         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8797         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8798         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8799         R_ARM_BASE_ABS.
8800         (Scan::global): Likewise.
8801         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8802         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8803         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8804         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8805         R_ARM_BASE_ABS.
8806
8807 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8808
8809         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8810         (Arm_relocate_functions::movt_prel): New function.
8811         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8812         (Arm_relocate_functions::thm_movt_prel): New function.
8813         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8814         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8815         (Scan::global, Relocate::relocate): Likewise.
8816         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8817
8818 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8819
8820         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8821         Incremental_checker.
8822         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8823         unsigned int.
8824         (class Incremental_inputs_header): New class.
8825         (Incremental_inputs_header_writer): Edit comment.
8826         (Incremental_inputs_entry): New class.
8827         (Incremental_inputs_entry_writer): Edit comment.
8828         (Sized_incremental_binary::do_find_incremental_inputs_section):
8829         Add *strtab_shndx parameter, fill it.
8830         (Sized_incremental_binary::do_check_inputs): New method.
8831         (Incremental_checker::can_incrementally_link_output_file): Use
8832         Sized_incremental_binary::check_inputs.
8833         (Incremental_inputs::report_command_line): Save command line in
8834         command_line_.
8835         * incremental.h:
8836         (Incremental_binary::find_incremental_inputs_section): New
8837         method.
8838         (Incremental_binary::do_find_incremental_inputs_section): Add
8839         strtab_shndx parameter.
8840         (Incremental_binary::do_check_inputs): New pure virtual method.
8841         (Sized_incremental_binary::do_check_inputs): Declare.
8842         (Incremental_checker::Incremental_checker): Add incremental_inputs
8843         parameter, use it to initialize incremental_inputs_.
8844         (Incremental_checker::incremental_inputs_): New field.
8845         (Incremental_checker::command_line): New method.
8846         (Incremental_checker::inputs): New method.
8847         (Incremental_checker::command_line_): New field.
8848
8849 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8850
8851         * incremental.cc: Include <cstdarg> and "target-select.h".
8852         (vexplain_no_incremental): New function.
8853         (explain_no_incremental): New function.
8854         (Incremental_binary::error): New method.
8855         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8856         method.
8857         (make_sized_incremental_binary): New function.
8858         (open_incremental_binary): New function.
8859         (can_incrementally_link_file): Add checks if output is ELF and has
8860         inputs section.
8861         * incremental.h: Include "elfcpp_file.h" and "output.h".
8862         (Incremental_binary): New class.
8863         (Sized_incremental_binary): New class.
8864         (open_incremental_binary): Declare.
8865         * object.cc (is_elf_object): Use
8866         elfcpp::Elf_recognizer::is_elf_file.
8867         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8868         * output.h (Output_file::filesize): New method.
8869
8870 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8871
8872         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8873         New function.
8874         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8875         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8876         function.
8877         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8878         function.
8879         (Arm_relocate_functions::movw_abs_nc): New function.
8880         (Arm_relocate_functions::movt_abs): New function.
8881         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8882         (Arm_relocate_functions::thm_movt_abs): New function.
8883         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8884         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8885         (Scan::global): Likewise.
8886         (Relocate::relocate): Likewise.
8887         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8888
8889 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8890
8891         * arm.cc (Arm_relocate_functions::got_prel) New function.
8892         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8893         (Relocate::relocate): Likewise.
8894         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8895
8896 2009-10-06  Ian Lance Taylor  <iant@google.com>
8897
8898         * options.h (class General_options): Define
8899         split_stack_adjust_size parameter.
8900         * object.h (class Object): Add uses_split_stack_ and
8901         has_no_split_stack_ fields.  Add uses_split_stack and
8902         has_no_split_stack accessor functions.  Declare
8903         handle_split_stack_section.
8904         (class Reloc_symbol_changes): Define.
8905         (class Sized_relobj): Define Function_offsets.  Declare
8906         split_stack_adjust, split_stack_adjust_reltype, and
8907         find_functions.
8908         * object.cc (Object::handle_split_stack_section): New function.
8909         (Sized_relobj::do_layout): Call handle_split_stack_section.
8910         * dynobj.cc (Sized_dynobj::do_layout): Call
8911         handle_split_stack_section.
8912         * reloc.cc (Sized_relobj::relocate_sections): Call
8913         split_stack_adjust for executable sections in split_stack
8914         objects.  Pass reloc_map to relocate_section.
8915         (Sized_relobj::split_stack_adjust): New function.
8916         (Sized_relobj::split_stack_adjust_reltype): New function.
8917         (Sized_relobj::find_functions): New function.
8918         * target-reloc.h: Include "object.h".
8919         (relocate_section): Add reloc_symbol_changes parameter.  Change
8920         all callers.
8921         * target.h (class Target): Add calls_non_split method.  Declare
8922         do_calls_non_split virtual method.  Declare match_view and
8923         set_view_to_nop.
8924         * target.cc: Include "elfcpp.h".
8925         (Target::do_calls_non_split): New function.
8926         (Target::match_view): New function.
8927         (Target::set_view_to_nop): New function.
8928         * gold.cc (queue_middle_tasks): Give an error if mixing
8929         split-stack and non-split-stack objects with -r.
8930         * i386.cc (Target_i386::relocate_section): Add
8931         reloc_symbol_changes parameter.
8932         (Target_i386::do_calls_non_split): New function.
8933         * x86_64.cc (Target_x86_64::relocate_section): Add
8934         reloc_symbol_changes parameter.
8935         (Target_x86_64::do_calls_non_split): New function.
8936         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8937         parameter.
8938         * powerpc.cc (Target_powerpc::relocate_section): Add
8939         reloc_symbol_changes parameter.
8940         * sparc.cc (Target_sparc::relocate_section): Add
8941         reloc_symbol_changes parameter.
8942         * configure.ac: Call AM_CONDITIONAL for the default target.
8943         * configure: Rebuild.
8944         * testsuite/Makefile.am (TEST_AS): New variable.
8945         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8946         (check_DATA): Add split_i386 and split_x86_64 files.
8947         (SPLIT_DEFSYMS): Define.
8948         (split_i386_[1234n].o): New targets.
8949         (split_i386_[124]): New targets.
8950         (split_i386_[1234r].stdout): New targets.
8951         (split_x86_64_[1234n].o): New targets.
8952         (split_x86_64_[124]): New targets.
8953         (split_x86_64_[1234r].stdout): New targets.
8954         (MOSTLYCLEANFILES): Add new executables.
8955         * testsuite/split_i386.sh: New file.
8956         * testsuite/split_x86_64.sh: New file.
8957         * testsuite/split_i386_1.s: New file.
8958         * testsuite/split_i386_2.s: New file.
8959         * testsuite/split_i386_3.s: New file.
8960         * testsuite/split_i386_4.s: New file.
8961         * testsuite/split_i386_n.s: New file.
8962         * testsuite/split_x86_64_1.s: New file.
8963         * testsuite/split_x86_64_2.s: New file.
8964         * testsuite/split_x86_64_3.s: New file.
8965         * testsuite/split_x86_64_4.s: New file.
8966         * testsuite/split_x86_64_n.s: New file.
8967         * testsuite/testfile.cc (Target_test): Update relocation_section
8968         function.
8969         * testsuite/Makefile.in: Rebuild.
8970
8971 2009-10-06  Ian Lance Taylor  <iant@google.com>
8972
8973         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8974         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8975         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8976         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8977         the address on ldo_addrs_.
8978         (Target_i386::Relocate::fix_up_ldo): New function.
8979
8980 2009-10-06   Rafael Espindola  <espindola@google.com>
8981
8982         * plugin.cc (add_input_library): New.
8983         (Plugin::load): Add add_input_library to tv.
8984         (Plugin_manager::add_input_file): Add the is_lib argument.
8985         (add_input_file): Update call to Plugin_manager::add_input_file.
8986         (add_input_library): New.
8987         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8988
8989 2009-09-30  Doug Kwan  <dougkwan@google.com>
8990
8991         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8992         symbol and call Symbol::may_need_copy_reloc to determine if
8993         a copy reloc is needed.
8994         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8995         nocopyreloc is given in command line.
8996         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8997         given in command line.
8998         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8999         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9000         of the removed Target_i386::may_need_copy_reloc.
9001         * options.h (copyreloc): New option with default value false.
9002         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9003         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9004         instead of the removed Target_powerpc::may_need_copy_reloc.
9005         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9006         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9007         instead of the removed Target_sparc::may_need_copy_reloc.
9008         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9009         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9010         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9011         instead of the removed Target_x86_64::may_need_copy_reloc.
9012
9013 2009-09-30  Ian Lance Taylor  <iant@google.com>
9014
9015         * object.h (class Object): Remove target_ field, and target,
9016         sized_target, and set_target methods.
9017         (Object::sized_target): Remove.
9018         (class Sized_relobj): Update declarations.  Remove sized_target.
9019         * object.cc (Sized_relobj::setup): Remove target parameter.
9020         Change all callers.
9021         (Input_objects::add_object): Don't do anything with the target.
9022         (make_elf_sized_object): Add punconfigured parameter.  Change all
9023         callers.  Set or test parameter target.
9024         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9025         Change all callers.
9026         * parameters.cc (Parameters::set_target): Change parameter type to
9027         be non-const.
9028         (Parameters::default_target): Remove.
9029         (set_parameters_target): Change parameter type to be non-const.
9030         (parameters_force_valid_target): New function.
9031         (parameters_clear_target): New function.
9032         * parameters.h (class Parameters): Update declarations.  Remove
9033         default_target method.  Add sized_target and clear_target
9034         methods.  Change target_ to be non-const.
9035         (set_parameters_target): Update declaration.
9036         (parameters_force_valid_target): Declare.
9037         (parameters_clear_target): Declare.
9038         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9039         as NULL if we aren't searching.
9040         (Add_symbols::run): Don't check for compatible target.
9041         * fileread.cc (Input_file::open_binary): Call
9042         parameters_force_valid_target.
9043         * gold.cc (queue_middle_tasks): Likewise.
9044         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9045         set_target on object.
9046         * dynobj.h (class Sized_dynobj): Update declarations.
9047         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9048         make_elf_object returns NULL.
9049         (Archive::include_member): Don't check whether object target is
9050         compatible.
9051         * output.cc (Output_section::add_input_section): Get target from
9052         parameters.
9053         (Output_section::relax_input_section): Likewise.
9054         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9055         parameters.
9056         (Sized_relobj::do_scan_relocs): Likewise.
9057         (Sized_relobj::relocate_sections): Likewise.
9058         * resolve.cc (Symbol_table::resolve): Likewise.
9059         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9060         parameter.  Change all callers.
9061         (Symbol_table::add_from_object): Get target from parameters.
9062         (Symbol_table::add_from_relobj): Don't check object target.
9063         (Symbol_table::add_from_dynobj): Likewise.
9064         (Symbol_table::define_special_symbol): Get target from
9065         parameters.
9066         * symtab.h (class Symbol_table): Update declaration.
9067         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9068         parameter.  Change all callers.  Clear parameter target.
9069         (Binary_test): Test target here.
9070         * testsuite/object_unittest.cc (gold_testsuite): Remove
9071         target_test_pointer parameter.  Change all callers.
9072         (Object_test): Test target here.
9073
9074 2009-09-26  Ian Lance Taylor  <iant@google.com>
9075
9076         * testsuite/initpri1.c: Don't try to use constructor priorities if
9077         compiling with gcc before 4.3.
9078
9079 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9080
9081         * testsuite/retain_symbols_file_test.sh (check_present): Change
9082         output file name to retain_symbols_file_test.stdout.
9083         (check_absent): Likewise.
9084
9085 2009-09-18  Craig Silverstein  <csilvers@google.com>
9086
9087         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9088         * options.cc: Include <cerrno> and <fstream>.
9089         (General_options::finalize): Parse -retain-symbols-file tag.
9090         * options.h: New flag.
9091         (General_options): New method should_retain_symbol, new
9092         variable symbols_to_retain.
9093         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9094         should_retain_symbol map.
9095         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9096         * testsuite/Makefile.in: Regenerate.
9097         * testsuite/retain_symbols_file_test.sh: New file.
9098
9099 2009-09-18  Nick Clifton  <nickc@redhat.com>
9100
9101         * po/es.po: Updated Spanish translation.
9102
9103 2009-09-17  Doug Kwan  <dougkwan@google.com>
9104
9105         * debug.h (DEBUG_RELAXATION): New constant.
9106         (DEBUG_ALL): Add DEBUG_RELAXATION.
9107         (debug_string_to_enum): Add relaxation debug option.
9108         * layout.cc
9109         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9110         Layout::Relaxation_debug_check::read_sections,
9111         Layout::Relaxation_debug_check::read_sections): New method definitions.
9112         (Layout::Layout): Initialize data members
9113         record_output_section_data_from_scrips_,
9114         script_output_section_data_list_ and relaxation_debug_check_.
9115         (Layout::save_segments, Layout::restore_segments,
9116         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9117         Layout::relaxation_loop_body): New method definitions.
9118         (Layout::finalize): Support relaxation.  Move section layout code to
9119         Layout::relaxation_loop_body.
9120         (Layout::set_asection_address_from_script): Move code for orphan
9121         section placement out.
9122         (Layout::place_orphan_sections_in_script): New method definition.
9123         * layout.h (Output_segment_headers, Output_file_header):
9124         New forward class declarations.
9125         (Layout::~Layout): Define.
9126         (Layout::new_output_section_data_from_script): New method definition.
9127         (Layout::place_orphan_sections_in_script): New method declaration.
9128         (Layout::Segment_states): New type declaration.
9129         (Layout::save_segments, Layout::restore_segments,
9130         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9131         Layout::relaxation_loop_body): New method declarations.
9132         (Layout::Output_section_data_list): New type declaration.
9133         (Layout::Relaxation_debug_check): New class definition.
9134         (Layout::record_output_section_data_from_script_,
9135         Layout::script_output_section_data_list_, Layout::segment_states_,
9136         Layout::relaxation_debug_check_): New data members.
9137         * output.cc: (Output_section_headers::do_size): New method definition.
9138         (Output_section_headers::Output_section_headers): Move size
9139         computation to Output_section_headers::do_size.
9140         (Output_segment_headers::do_size): New method definition.
9141         (Output_file_header::Output_file_header): Move size computation to
9142         Output_file_header::do_size and call it.
9143         (Output_file_header::do_size): New method definition.
9144         (Output_data_group::Output_data_group): Adjust call to
9145         Output_section_data.
9146         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9147         (Output_symtab_xindex::do_write): Add array bound check.
9148         (Output_section::Input_section::print_to_mapfile): Handle
9149         RELAXED_INPUT_SECTION_CODE.
9150         (Output_section::Output_section): Initialize data member checkpoint_.
9151         (Output_section::~Output_section): Delete checkpoint object pointed
9152         by checkpoint_.
9153         (Output_section::add_input_section): Always add an Input_section if
9154         relaxing.
9155         (Output_section::add_merge_input_section): Add assert.
9156         (Output_section::relax_input_section): New method definition.
9157         (Output_section::set_final_data_size): Set load address to zero for
9158         an unallocated section.
9159         (Output_section::do_address_and_file_offset_have_reset_values):
9160         New method definition.
9161         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9162         Handle relaxed input section.
9163         (Output_section::sort_attached_input_sections): Checkpoint input
9164         section list lazily.
9165         (Output_section::get_input_sections): Change type of input_sections to
9166         list of Simple_input_section pointers.  Checkpoint input section list
9167         lazily.  Also handle relaxed input sections.
9168         (Output_section::add_input_section_for_script): Take a reference to
9169         a Simple_input_section object instead of Relobj pointer and section
9170         index as parameter.  Handle relaxed input sections.
9171         (Output_section::save_states, Output_section::restore_states): New
9172         method definitions.
9173         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9174         (Output_data::is_data_size_fixed): New method definition.
9175         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9176         if it is fixed.
9177         (Output_data::address_and_file_offset_have_reset_values): New method
9178         definition.
9179         (Output_data::do_address_and_file_offset_have_reset_values): New method
9180         definition.
9181         (Output_data::set_data_size): Check that data size is not fixed.
9182         (Output_data::fix_data_size): New method definition.
9183         (Output_data::is_data_size_fixed_): New data member.
9184         (Output_section_headers::set_final_data_size): New method definition.
9185         (Output_section_headers::do_size): New method declaration.
9186         (Output_segment_headers::set_final_data_size): New method definition.
9187         (Output_segment_headers::do_size): New method declaration.
9188         (Output_file_header::set_final_data_size)::New method definition.
9189         (Output_file_header::do_size)::New method declaration.
9190         (Output_section_data::Output_section_data): Add new parameter
9191         is_data_size_fixed and use it to fix data size.
9192         (Output_data_const::Output_data_const): Adjust call to base class
9193         constructor and fix data size.
9194         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9195         base class constructor and fix data size.
9196         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9197         base class constructor and fix data size.
9198         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9199         class constructor and fix data size.
9200         (Output_data_group::set_final_data_size): New method definition.
9201         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9202         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9203         class constructor and fix data size.
9204         (Output_relaxed_input_section): New class definition.
9205         (Output_section::Simple_input_section): New class definition.
9206         (Output_section::get_input_sections): Adjust parameter list.
9207         (Output_section::add_input_section_for_script): Same.
9208         (Output_section::save_states, Output_section::restore_states,
9209         Output_section::do_address_and_file_offset_have_reset_values,
9210         (Output_section::Input_section::Input_section): Handle
9211         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9212         Output_relaxed_input_section.
9213         (Output_section::Input_section::is_input_section,
9214         Output_section::Input_section::set_output_section): Handle relaxed
9215         input section.
9216         (Output_section::Input_section::is_relaxed_input_section,
9217         Output_section::Input_section::output_section_data,
9218         Output_section::Input_section::relaxed_input_section): New method
9219         definitions.
9220         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9221         value.
9222         (Output_section::Input_section::u1_): Update comments.
9223         (Output_section::Input_section::u2_): Add new union member poris.
9224         (Output_section::Checkpoint_output_section): New classs definition.
9225         (Output_section::relax_input_section): New method declaration.
9226         (Output_section::checkpoint_): New data member.
9227         (Output_segment): Update comments.
9228         (Output_segment::Output_segment): Un-privatize copy constructor.
9229         (Output_segment::operator=): Un-privatize.
9230         * script-sections.cc (Output_section_element::Input_section_list):
9231         Change element type to Output_section::Simple_input_section.
9232         (Output_section_element_dot_assignment::set_section_addresses):
9233         Register output section data for relaxation clean up.
9234         (Output_data_exression::Output_data_expression): Adjust call to base
9235         constructor to fix data size.
9236         (Output_section_element_data::set_section_addresses): Register
9237         Output_data_expression object for relaxation clean up.
9238         (struct Input_section_info): Replace Relobj pointer and section index
9239         pair with Output_section::Simple_input_section and Convert struct to a
9240         class.
9241         (Input_section_sorter::operator()): Adjust access to
9242         Input_section_info data member to use accessors.
9243         (Output_section_element_input::set_section_addresses): Use layout
9244         parameter.  Adjust code to use Output_section::Simple_input_section
9245         and Input_secction_info classes.  Register filler for relaxation
9246         clean up.
9247         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9248         and section index pair with Output_section::Simple_input_section
9249         class.  Adjust code accordingly.
9250         (Phdrs_element::release_segment): New method definition.
9251         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9252         segment list.
9253         (Script_sections::release_segments): New method definition.
9254         * gold/script-sections.h (Script_sections::release_segments): New
9255         method declaration.
9256         * gold/target.h (Target::may_relax, Target::relax,
9257         Target::do_may_relax, Target::do_relax): New method definitions.
9258
9259 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9260
9261         * arm.cc (has_signed_unsigned_overflow): New function.
9262         (Arm_relocate_functions::abs8): New function.
9263         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9264         (Target_arm::Scan::global): Likewise.
9265         (Target_arm::relocate::relocate): Likewise.
9266         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9267         Likewise.
9268
9269 2009-09-16  Cary Coutant  <ccoutant@google.com>
9270
9271         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9272         * testsuite/Makefile.in: Regenerate.
9273
9274 2009-09-11  Nick Clifton  <nickc@redhat.com>
9275
9276         * po/gold.pot: Updated by the Translation project.
9277
9278 2009-09-08  Cary Coutant  <ccoutant@google.com>
9279
9280         * output.cc (Output_file::open): Add execute permission to empty file.
9281         * testsuite/Makefile.am (permission_test): New test.
9282         * testsuite/Makefile.in: Regenerate.
9283
9284 2009-09-02  Ian Lance Taylor  <iant@google.com>
9285
9286         * output.cc (Output_file::resize): Call map_no_anonymous rather
9287         than map.
9288
9289 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9290
9291         * gold.cc: Include "incremental.h".
9292         (queue_initial_tasks): Call Incremental_checker methods.
9293         * incremental.cc: Include "output.h".
9294         (Incremental_checker::can_incrementally_link_output_file): New
9295         method.
9296         * incremental.h (Incremental_checker): New class.
9297
9298         * output.cc (Output_file::open_for_modification): New method.
9299         (Output_file::map_anonymous): Changed return type to bool.  Record
9300         map in base_ field.
9301         (Output_file::map_no_anonymous): New method, broken out of map.
9302         (Output_file::map): Use map_no_anonymous and map_anonymous.
9303         * output.h (class Output_file): Update declarations.
9304
9305 2009-08-24  Cary Coutant  <ccoutant@google.com>
9306
9307         * options.h (Command_line::Pre_options): New class.
9308         (Command_line::pre_options): New member.
9309         * options.cc (gold::options::ready_to_register): New variable.
9310         (One_option::register_option): Do nothing if not registering options.
9311         Assert if same short option registered twice.
9312         (General_options::General_options): Turn off option registration when
9313         done constructing.
9314         (Command_line::Pre_options::Pre_options): New constructor.
9315
9316 2009-08-24  Cary Coutant  <ccoutant@google.com>
9317
9318         * options.h (General_options::no_keep_memory): Remove incorrect
9319         short option.
9320
9321 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9322
9323         * Makefile.am (am__skiplex, am__skipyacc): New.
9324         * Makefile.in: Regenerate.
9325
9326 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9327
9328         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9329         (INCLUDES): ... this.
9330         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9331         (AM_CPPFLAGS): Renamed from ...
9332         (INCLUDE): ... this.
9333         * Makefile.in, testsuite/Makefile.in: Regenerate.
9334
9335         * Makefile.in: Regenerate.
9336         * aclocal.m4: Likewise.
9337         * config.in: Likewise.
9338         * configure: Likewise.
9339         * testsuite/Makefile.in: Likewise.
9340
9341         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9342         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9343         * Makefile.in: Regenerate.
9344         * testsuite/Makefile.in: Regenerate.
9345
9346 2009-08-19  Cary Coutant  <ccoutant@google.com>
9347
9348         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9349         symbols in shared libraries overridden by hidden or internal symbols
9350         in the main program.
9351
9352 2009-08-19  Chris Demetriou  <cgd@google.com>
9353
9354         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9355         checking source file names in error messages.
9356
9357 2009-08-18  Doug Kwan  <dougkwan@google.com>
9358
9359         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9360         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9361         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9362         an elfcpp::Ehdr as parameter.
9363         * object.cc (Object::set_target): Remove the version that looks up
9364         a target and sets it.
9365         (Sized_relobj::setup): Take a Target object instead of
9366         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9367         (make_elf_sized_object): Find target and ask target to
9368         make an ELF object.
9369         * object.h: (Object::set_target): Remove the version that looks up
9370         a target and sets it.
9371         (Sized_relobj::setup): Take a Target object instead of
9372         an elfcpp:Ehdr as parameter.
9373         * target.cc: Include dynobj.h.
9374         (Target::do_make_elf_object_implementation): New.
9375         (Target::do_make_elf_object): New.
9376         * target.h (Target::make_elf_object): New template declaration.
9377         (Target::do_make_elf_object): New method declarations.
9378         (Target::do_make_elf_object_implementation): New template declaration.
9379
9380 2009-08-14  Ian Lance Taylor  <iant@google.com>
9381
9382         * gold.h (FUNCTION_NAME): Define.
9383         (gold_unreachable): Use FUNCTION_NAME.
9384
9385 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9386
9387         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9388         symbol in the --keep-unique list is not found.
9389
9390 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9391
9392         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9393         been maked as --keep-unique.
9394         (Icf::unfold_section): New function.
9395         * icf.h (Icf::unfold_section): New function.
9396         * options.h (General_options::keep_unique): New option.
9397         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9398         * testsuite/Makefile.in: Regenerate.
9399         * testsuite/icf_keep_unique_test.sh: New file.
9400         * testsuite/icf_keep_unique_test.cc: New file.
9401
9402 2009-08-12  Cary Coutant  <ccoutant@google.com>
9403
9404         PR 10471
9405         * resolve.cc (Symbol_table::resolve): Check for references from
9406         dynamic objects to hidden and internal symbols.
9407         * testsuite/Makefile.am (hidden_test.sh): New test.
9408         * testsuite/Makefile.in: Regenerate.
9409         * testsuite/hidden_test.sh: New script.
9410         * testsuite/hidden_test_1.c: New test source.
9411         * testsuite/hidden_test_main.c: New test source.
9412
9413 2009-08-11  Doug Kwan  <dougkwan@google.com>
9414
9415         * arm.cc: Update comments.
9416         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9417         segment to locate the .ARM.exidx section if present.
9418
9419 2009-08-09  Doug Kwan  <dougkwan@google.com>
9420
9421         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9422         patch.
9423
9424 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9425         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9426         compiler warnings.
9427
9428 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9429
9430         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9431         valid tls_segment only for non-debug-section relocations.
9432         * testsuite/Makefile.am: Add gc_tls_test.
9433         * testsuite/Makefile.in: Regenerate.
9434         * testsuite/gc_tls_test.cc: New file.
9435         * testsuite/gc_tls_test.sh: New file.
9436
9437 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9438
9439         * icf.cc: New file.
9440         * icf.h: New file.
9441         * Makefile.am (CCFILES): Add icf.cc.
9442         (HFILES): Add icf.h
9443         * Makefile.in: Regenerate.
9444         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9445         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9446         section, symbol and addend information for the relocs.
9447         * gold.cc (queue_middle_tasks): Call identical code folding.
9448         * gold.h: Add defines for multimap.
9449         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9450         to the call of finalize_local_symbols.
9451         * main.cc (main): Create object of class Icf.
9452         * object.cc (Sized_relobj::do_layout): Allow this function to be
9453         called twice during icf.
9454         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9455         to sections marked as identical by icf.
9456         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9457         when available.
9458         (Sized_relobj::do_section_entsize): New function.
9459         * object.h (Object::section_entsize): New function.
9460         (Object::do_section_entsize): New pure virtual function.
9461         (Relobj::finalize_local_symbols): Add new parameter.
9462         (Relobj::do_section_entsize): New function.
9463         * options.h (General_options::icf): New option.
9464         (General_options::icf_iterations): New option.
9465         (General_options::print_icf_sections): New option.
9466         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9467         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9468         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9469         icf.
9470         * symtab.cc (Symbol_table::is_section_folded): New function.
9471         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9472         to sections marked as identical by icf.
9473         * symtab.h (Symbol_table::set_icf): New function.
9474         (Symbol_table::icf): New function.
9475         (Symbol_table::is_section_folded): New function.
9476         (Symbol_table::icf_): New data member.
9477         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9478         * testsuite/Makefile.am: Add commands to build icf_test.
9479         * testsuite/Makefile.in: Regenerate.
9480         * testsuite/icf_test.sh: New file.
9481         * testsuite/icf_test.cc: New file.
9482
9483 2009-07-24  Chris Demetriou  <cgd@google.com>
9484
9485         * layout.cc (is_compressible_debug_section): Fix incorrect
9486         comment about compressed section names.
9487
9488 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9489
9490         PR 10419
9491         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9492
9493 2009-07-16  Ian Lance Taylor  <iant@google.com>
9494
9495         PR 10400
9496         * layout.h: #include <map>.
9497         (class Kept_section): Change from struct to class.  Add accessors
9498         and setters.  Add section size to Comdat_group mapping.  Change
9499         Comdat_group to std::map.  Add is_comdat_ field.  Add
9500         linkonce_size field in union.
9501         (class Layout): Update declaration of find_or_add_kept_section.
9502         Don't declare find_kept_object.
9503         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9504         parameter.  Add object, shndx, is_comdat, and is_group_name
9505         parameters.  Change all callers.  Adjust for new Kept_section.
9506         (Layout::find_kept_object): Remove.
9507         * object.cc (Sized_relobj::include_section_group): Update use of
9508         Kept_section.  Rename secnum to shndx.  Only record
9509         Kept_comdat_section if sections are the same size.
9510         (Sized_relobj::include_linkonce_section): Update use of
9511         Kept_section.  Only record Kept_comdat_section if sections are the
9512         same size.  Set size of linkonce section.
9513         (Sized_relobj::map_to_kept_section): Update call to
9514         get_kept_comdat_section.
9515         * object.h (class Sized_relobj): Rename fields in
9516         Kept_comdat_section to drop trailing underscores; change object
9517         field to Relobj*.  Change Kept_comdat_section_table to store
9518         struct rather than pointer.
9519         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9520         Add kept_object and kept_shndx parameters.  Change all callers.
9521         (Sized_relobj::get_kept_comdat_section): Change return type to
9522         bool.  Add kept_object and kept_shndx parameters.  Change all
9523         callers.
9524         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9525         Layout::find_or_add_kept_section.
9526
9527 2009-07-09  Ian Lance Taylor  <iant@google.com>
9528
9529         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9530         Reserve space in the hash table.
9531
9532 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9533
9534         * fileread.cc (File_read::get_mtime): New method.
9535         * fileread.h (Timespec): New structure.
9536         (File_read::get_mtime): New method.
9537         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9538         Renamed from timestamp_nsec.
9539         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9540         Elf_Xword.
9541         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9542         timestamp_nsec.
9543         (Incremental_inputs::report_archive): Save mtime; style fix.
9544         (Incremental_inputs::report_obejct): Save mtime; style fix.
9545         (Incremental_inputs::report_script): Save mtime; style fix.
9546         (Incremental_inputs::finalize_inputs): Style fix.
9547         (Incremental_inputs::finalize): Style fix.
9548         (Incremental_inputs::create_input_section_data): Store inputs
9549         mtime.
9550         * incremental.h (Incremental_inputs::report_script): Add mtime
9551         argument.
9552         (Incremental_inputs::Input_info::Input_info): Intialize only one
9553         union member.
9554         (Incremental_inputs::Input_info::archive): Move to nameless
9555         union.
9556         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9557         (Incremental_inputs::Input_info::script): Move to nameless union.
9558         (Incremental_inputs::mtime): New field.
9559         * script.cc (read_input_script): Pass file mtime to
9560         Incremental_input.
9561         * script.h (Script_info::inputs): Style fix.
9562
9563 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9564
9565         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9566         instead of 32.
9567
9568 2009-06-24  Ian Lance Taylor  <iant@google.com>
9569
9570         PR 10156
9571         * layout.cc (Layout::choose_output_section): If we find an
9572         existing section, update the flags.
9573         (Layout::create_notes): New function, broken out of
9574         Layout::finalize.
9575         (Layout::finalize): Don't create note sections.
9576         (Layout::create_note): Don't crash if linker script discards
9577         section.
9578         (Layout::create_gold_note): Likewise.
9579         (Layout::create_build_id): Likewise.  Don't set
9580         after_input_sections on the section.
9581         (Layout::create_executable_stack_info): Remove target parameter.
9582         Change caller.
9583         * layout.h (class Layout): Declare create_notes.  Update
9584         declaration of create_executable_stack_info.
9585         * gold.cc (queue_middle_tasks): Call create_notes.
9586         * output.cc (Output_section::update_flags_for_input_section): Move
9587         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9588         invalid.
9589         * output.h (Output_data::mark_address_invalid): New function.
9590         (class Output_section): Only declare, not define,
9591         update_flags_for_input_section.  Remove set_flags.
9592
9593 2009-06-24  Ian Lance Taylor  <iant@google.com>
9594
9595         * script-sections.cc (Output_section_definition::
9596         set_section_addresses): Rename shadowing local load_address to
9597         laddr.
9598
9599 2009-06-24  Ian Lance Taylor  <iant@google.com>
9600
9601         PR 10244
9602         * reloc.cc (relocate_sections): Skip empty relocation sections.
9603
9604 2009-06-23  Ian Lance Taylor  <iant@google.com>
9605
9606         PR 10156
9607         * layout.cc (Layout::create_note): Use choose_output_section
9608         rather than make_output_section.
9609
9610 2009-06-23  Ian Lance Taylor  <iant@google.com>
9611
9612         PR 10237
9613         * options.cc (General_options::parse_V): Set printed_version_.
9614         (General_options::General_options): Initialize printed_version_.
9615         * options.h (class General_options): Add printed_version_ field.
9616         * gold.cc (queue_initial_tasks): If there are no input files,
9617         don't give a fatal error if we printed the version information.
9618         (queue_middle_tasks): If using -r with a shared object, give a
9619         fatal error rather than an ordinary error.
9620
9621 2009-06-23  Ian Lance Taylor  <iant@google.com>
9622
9623         PR 10219
9624         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9625         (Layout::make_output_section): Set have_stabstr_section_ if we see
9626         a .stab*str section.
9627         (Layout::finalize): Call link_stabs_sections.
9628         (Layout::link_stabs_sections): New file.
9629         * layout.h (class Layout): Add have_stabstr_section_ field.
9630         Declare link_stabs_sections.
9631
9632 2009-06-23  Doug Kwan  <dougkwan@google.com>
9633
9634         * Makefile.am (libgold_a_LIBADD): New.
9635         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9636         * Makefile.in: Regenerate.
9637         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9638         * configure: Regenerate.
9639         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9640         * fileread.cc: Include sys/state.h
9641         * gold.h: Declare memmem and strndup if found missing.
9642         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9643
9644 2009-06-23  Ian Lance Taylor  <iant@google.com>
9645
9646         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9647         * configure: Rebuild.
9648
9649 2009-06-23  Ian Lance Taylor  <iant@google.com>
9650
9651         PR 10147
9652         * object.cc (Object::section_contents): Don't try to get a view if
9653         the section has length zero.
9654         (Object::handle_gnu_warning_section): If the section is empty, use
9655         the name of the section as the warning.
9656
9657 2009-06-23  Ian Lance Taylor  <iant@google.com>
9658
9659         PR 10133
9660         * stringpool.h (class Stringpool_template): Add optimize_ field.
9661         (Stringpool_template::set_optimize): New function.
9662         * stringpool.cc (Stringpool_template::Stringpool_template):
9663         Initialize optimize_ field.
9664         (Stringpool_template::set_string_offsets): Test local optimize
9665         fild rather than parameter.
9666         * layout.cc (Layout::Layout): Call set_optimize on the section
9667         name stringpool.
9668
9669 2009-06-22  Ian Lance Taylor  <iant@google.com>
9670
9671         PR 10030
9672         * yyscript.y: Parse TARGET.
9673         * script.cc (script_set_target): New function.
9674         * script-c.h (script_set_target): Declare.
9675         * options.cc (General_options::string_to_object_format): Rename
9676         from string_to_object_format in anonymous namespace.  Change
9677         callers.
9678         * options.h (class General_options): Declare
9679         string_to_object_format.
9680
9681 2009-06-22  Ian Lance Taylor  <iant@google.com>
9682
9683         * script-sections.cc (Script_sections::create_segments): Don't put
9684         program headers in a PT_LOAD segment if -n or -N.
9685
9686 2009-06-22  Ian Lance Taylor  <iant@google.com>
9687
9688         PR 10141
9689         * options.h (class General_options): Add -z lazy and -z now.  Sort
9690         -z options into alphabetical order.
9691         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9692
9693 2009-06-21  Ian Lance Taylor  <iant@google.com>
9694
9695         * layout.cc (Layout::make_output_section): Call
9696         Target::new_output_section.
9697         (Layout::attach_allocated_section_to_segment): Put large section
9698         sections in a separate load segment with the large segment flag
9699         set.
9700         (Layout::segment_precedes): Sort large data segments after other
9701         load segments.
9702         (align_file_offset): New static function.
9703         (Layout::set_segment_offsets): Use align_file_offset.
9704         * output.h (class Output_section): Add is_small_section_ and
9705         is_large_section_ fields.
9706         (Output_section::is_small_section): New function.
9707         (Output_section::set_is_small_section):  New function.
9708         (Output_section::is_large_section): New function.
9709         (Output_section::set_is_large_section): New function.
9710         (Output_section::is_large_data_section): New function.
9711         (class Output_segment): Add is_large_data_segment_ field.
9712         (Output_segment::is_large_data_segment): New function.
9713         (Output_segment::set_is_large_data_segment): New function.
9714         * output.cc (Output_section::Output_section): Initialize new
9715         fields.
9716         (Output_segment::Output_segment): Likewise.
9717         (Output_segment::add_output_section): Add assertion that large
9718         data sections always go in large data segments.  Force small data
9719         sections to the end of the list of data sections.  Force small BSS
9720         sections to the start of the list of BSS sections.  For large BSS
9721         sections to the end of the list of BSS sections.
9722         * symtab.h (class Symbol): Declare is_common_shndx.
9723         (Symbol::is_defined): Check Symbol::is_common_shndx.
9724         (Symbol::is_common): Likewise.
9725         (class Symbol_table): Define enum Commons_section_type.  Update
9726         declarations.  Add small_commons_ and large_commons_ fields.
9727         * symtab.cc (Symbol::is_common_shndx): New function.
9728         (Symbol_table::Symbol_table): Initialize new fields.
9729         (Symbol_table::add_from_object): Put small and large common
9730         symbols in the right list.
9731         (Symbol_table::sized_finalized_symbol): Check
9732         Symbol::is_common_shndx.
9733         (Symbol_table::sized_write_globals): Likewise.
9734         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9735         common symbol lists.  Don't call do_allocate_commons_list if the
9736         list is empty.
9737         (Symbol_table::do_allocate_commons_list): Remove is_tls
9738         parameter.  Add comons_section_type parameter.  Change all
9739         callers.  Handle small and large common symbols.
9740         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9741         Symbol::is_common_shndx.
9742         * resolve.cc (symbol_to_bits): Likewise.
9743         * target.h (Target::small_common_shndx): New function.
9744         (Target::small_common_section_flags): New function.
9745         (Target::large_common_shndx): New function.
9746         (Target::large_common_section_flags): New function.
9747         (Target::new_output_section): New function.
9748         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9749         small_common_section_flags, and large_common_section_flags
9750         fields.
9751         (Target::do_new_output_section): New virtual function.
9752         * arm.cc (Target_arm::arm_info): Initialize new fields.
9753         * i386.cc (Target_i386::i386_info): Likewise.
9754         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9755         Likewise.
9756         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9757         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9758         (Target_x86_64::do_new_output_section): New function.
9759         * configure.ac: Define conditional MCMODEL_MEDIUM.
9760         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9761         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9762         (large_LDFLAGS): Define.
9763         * testsuite/large.c: New file.
9764         * testsuite/testfile.cc (Target_test::test_target_info):
9765         Initialize new fields.
9766         * configure, testsuite/Makefile.in: Rebuild.
9767
9768 2009-06-05  Doug Kwan  <dougkwan@google.com>
9769
9770         * Makefile.am (CCFILES): Add target.cc.
9771         * Makefile.in: Regenerate.
9772         * i386.cc (class Target_i386): Define new virtual method to
9773         override do_is_local_label_name in parent.
9774         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9775         local symbols if --discard-locals or -X is given.
9776         * options.h (class General_options): Declare new options
9777         '--discard-locals' and '-X' for discarding locals.
9778         * target.h (class Target): Define new methods is_local_label_name.
9779         Declare new virtual method do_is_local_label_name.
9780         * target.cc: New file.
9781         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9782         (check_SCRIPTS): Add discard_locals_test.sh.
9783         (check_DATA): Add discard_local_tests.syms.
9784         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9785         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9786         * testsuite/Makefile.in: Regenerate.
9787         * testsuite/discard_locals_test.c: New file.
9788         * testsuite/discard_locals_test.sh: Same.
9789
9790 2009-06-05  Doug Kwan  <dougkwan@google.com>
9791
9792         * object.cc (Sized_relobj::Sized_relobj): Initialize
9793         discarded_eh_frame_shndx_ to -1U.
9794         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9795         section.
9796         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9797         a discarded .eh_frame section.
9798         (Sized_relobj::do_finalize_local_symbols): Ditto.
9799         * object.h (class Sized_relobj): Declare new member
9800         discarded_eh_frame_shndx_.
9801         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9802         (local_labels_test.o, local_labels_test): New rules.
9803         * testsuite/Makefile.in: Regenerate.
9804
9805 2009-06-04  Doug Kwan  <dougkwan@google.com>
9806
9807         * layout.cc (Layout::section_name_mapping): Add mapping for
9808         special ARM sections.
9809
9810 2009-06-03  Doug Kwan  <dougkwan@google.com>
9811
9812         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9813         (utils::has_overflow): Same.
9814
9815 2009-06-03  Ian Lance Taylor  <iant@google.com>
9816
9817         * layout.cc (Layout::section_name_mapping): New array, replacing
9818         Layout::linkonce_mapping.
9819         (Layout::section_name_mapping_count): New variable, replacing
9820         Layout::linkonce_mapping_count.
9821         (Layout::linkonce_output_name): Remove.
9822         (Layout::output_section_name): Rewrite.
9823         * layout.h (class Layout): Rename Linkonce_mapping to
9824         Section_name_mapping, linkonce_mapping to section_name_mapping,
9825         linkonce_mapping_count to section_name_mapping_count.  Don't
9826         declare linkonce_output_name.
9827
9828 2009-06-03  Doug Kwan  <dougkwan@google.com>
9829
9830         * gold/arm.cc (namespace utils): New.
9831         (Target_arm::reloc_is_non_pic): Define new method.
9832         (class Arm_relocate_functions): New.
9833         (Target_arm::Relocate::relocate): Handle relocation types used by
9834         Android.
9835
9836 2009-06-03  Ian Lance Taylor  <iant@google.com>
9837
9838         * arm.cc (Target_arm::scan::global): Use || instead of |.
9839
9840 2009-06-02  Doug Kwan  <dougkwan@google.com>
9841
9842         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9843         issued_non_pic_error_.
9844         (class Target_arm::Scan): Declare new method check_non_pic.
9845         Define new method symbol_needs_plt_entry.
9846         Declare new data member issued_non_pic_error_.
9847         (class Target_arm::Relocate): Declare new method
9848         should_apply_static_reloc.
9849         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9850         (Target_arm::Scan::check_non_pic): Define new method.
9851         (Target_arm::Scan::local): Handle a small subset of reloc types used
9852         by Android.
9853         (Target_arm::Scan::local): Same.
9854         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9855
9856 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9857
9858         * incremental.cc (Incremental_inputs::report_command_line): Filter
9859         out --incremental-* options.
9860
9861 2009-05-29  Doug Kwan  <dougkwan@google.com>
9862
9863         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9864         template class.
9865         (class Target_arm): Update comment.
9866         (Target_arm::Target_arm): Initialize new data members GOT_,
9867         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9868         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9869         and Target_arm::rel_dyn_section.
9870         Declare new_enum Target_arm::Got_type.
9871         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9872         and DYNBSS_.
9873         Update commments for member do_dynsym_value.
9874         (Target_arm::got_size, Target_arm::plt_section,
9875         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9876         new methods inside class defintion.
9877         (Target_arm::got_section): Define new method.
9878         (Target_arm::rel_dyn_section): Same.
9879         (Output_data_plt_arm): New template class.
9880         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9881         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9882         (Output_data_plt_arm::add_entry): Same.
9883         (Output_data_plt_arm::first_plt_entry): Define new
9884         static data member for PLT instruction template.
9885         (Output_data_plt_arm::plt_entry): Same.
9886         (Output_data_plt_arm::do_write): Define new method.
9887         (Target_arm::make_plt_entry): Same.
9888         (Target_arm::do_finalize_sections): Same.
9889         (Target_arm::do_dynsym_value): Same.
9890
9891 2009-05-28  Doug Kwan  <dougkwan@google.com>
9892
9893         * Makefile.am (TARGETSOURCES): Add arm.cc.
9894         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9895         * Makefile.in: Regenerate.
9896         * arm.cc: New file.
9897         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9898
9899 2009-05-26  Doug Kwan  <dougkwan@google.com>
9900
9901         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9902         (General_options::check_excluded_libs): Strip off directories in
9903         archive name before matching like GNU ld does.
9904         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9905         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9906         (exclude_libs_test_LDFLAGS): Add linker option
9907         -Wl,--exclude-libs,libexclude_libs_test_3
9908         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9909         an explicit archive without using -l.
9910         (alt/libexclude_libs_test_3.a): New make rule.
9911         * testsuite/Makefile.in: Regenerate.
9912         * testsuite/exclude_libs_test.c : Declare lib3_default().
9913         (main): Call it.
9914         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9915         * exclude_libs_test_3.c: New file.
9916
9917 2009-05-26  Nick Clifton  <nickc@redhat.com>
9918
9919         * po/id.po: New Indonesian translation.
9920         * po/gold.pot: Updated template file.
9921
9922 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9923
9924         * testsuite/Makefile.am: Add -ffunction-sections to compile
9925         gc_comdat_test files.  Add -Wl,--gc-sections to build
9926         gc_comdat_test.
9927         * testsuite/Makefile.in: Regenerate.
9928         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9929
9930 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9931
9932         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9933         kept comdat section was garbage collected.
9934         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9935         * testsuite/Makefile.in: Regenerate.
9936         * testsuite/gc_comdat_test.sh: New file.
9937         * testsuite/gc_comdat_test_1.cc: New file.
9938         * testsuite/gc_comdat_test_2.cc: New file.
9939
9940 2009-05-19  Doug Kwan  <dougkwan@google.com>
9941
9942         * archive.cc (Archive::Archive): Move constructor from archive.h
9943         to here.  Initialize no_export_.
9944         (Archive::get_elf_object_for_member): Set no_export flag of object.
9945         * archive.h (Archive::Archive): Move constructor body to
9946         archive.cc.
9947         (Archive::no_export): New method.
9948         (Archive::no_export_): New field.
9949         * object.h (Object::Object): Initialize no_export_ to false.
9950         (Object::no_export, Object::set_no_export): New methods.
9951         (Object::no_export_): New field.
9952         * options.cc (General_options::parse_exclude_libs): New method.
9953         (General_options::check_excluded_libs) Same.
9954         * options.h (exclude_libs): New option.
9955         (General_options::check_excluded_libs): New method declaration.
9956         (General_options::excluded_libs_): New field.
9957         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9958         default or protected visibility if an object has no-export flag set.
9959         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9960         (check_SCRIPTS): Add exclude_libs_test.sh.
9961         (check_DATA): Add exclude_libs_test.syms.
9962         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9963         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9964         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9965         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9966         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9967         libexclude_libs_test_2.a): New rules.
9968         * testsuite/Makefile.in: Regenerate.
9969         * testsuite/exclude_libs_test.c: New file.
9970         * testsuite/exclude_libs_test.sh: Ditto.
9971         * testsuite/exclude_libs_test_1.c: Ditto.
9972         * testsuite/exclude_libs_test_2.c: Ditto.
9973
9974 2009-05-15  Ian Lance Taylor  <iant@google.com>
9975
9976         * configure.ac: Check for declarations for cases where libiberty.h
9977         checks HAVE_DECL_xxx.
9978         * configure, config.in: Rebuild.
9979
9980 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9981
9982         * gold.h (Incremental_argument_list): Remove (invalid) forward
9983         declaration.
9984         * incremental.cc (Incremental_inputs::report_achive): New method.
9985         (Incremental_inputs::report_object): New method.
9986         (Incremental_inputs::report_script): New method.
9987         (Incremental_inputs::finalize_inputs): New method.
9988         (Incremental_inputs::finalize): Call finalize_inputs().
9989         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9990         Create inputs entries.
9991         * incremental.h (Incremental_input_type): New enum.
9992         (Incremental_inputs::Incremental_input): Initialize new fields.
9993         (Incremental_inputs::report_inputs): New method.
9994         (Incremental_inputs::report_achive): New method.
9995         (Incremental_inputs::report_object): New method.
9996         (Incremental_inputs::report_script): New method.
9997         (Incremental_inputs::finalize_inputs): New method.
9998         (Incremental_inputs::Input_info): New struct.
9999         (Incremental_inputs::Input_info_map): New typedef.
10000         (Incremental_inputs::lock_): New field.
10001         (Incremental_inputs::Inputs_): New field.
10002         (Incremental_inputs::Inputs_map): New field.
10003         * main.cc (main): Call Incremental_input::report_inputs.
10004         * options.h (Input_argument_list): Typedef moved from
10005         Input_arguments.
10006         (Input_file_group::Files): Remove, use ::Input_argument_list.
10007         (Input_file_group::Input_argument_list): Remove, use
10008         ::Input_argument_list.
10009         * plugin.cc (Plugin_manager::add_input_file): Add error in
10010         incremental build.
10011         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10012         functions.
10013         * script.cc (read_input_script): Call
10014         Incremental_input::report_script.
10015         * script.h (Script_info): New class.
10016
10017 2009-04-27  Ian Lance Taylor  <iant@google.com>
10018
10019         * x86_64.cc (do_adjust_output_section): Set entsize to
10020         plt_entry_size.
10021
10022 2009-04-23  Elliott Hughes  <enh@google.com>
10023
10024         * output.cc (Output_file::close): After short writes, continue
10025         writing from the correct offset in the buffer being written.
10026
10027 2009-04-23  Chris Demetriou  <cgd@google.com>
10028
10029         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10030         * configure: Regenerate.
10031         * config.in: Regenerate.
10032         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10033         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10034
10035 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10036
10037         * incremental.cc (Incremental_inputs_header_data): Renamed from
10038         Incremental_input_header_data.
10039         (Incremental_inputs_header_data::data_size): New field.
10040         (Incremental_inputs_header_data::put_input_file_count): Renamed
10041         from input_file_count.
10042         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10043         from command_line_offset.
10044         (Incremental_inputs_header_data::put_reserved): Renamed from
10045         put_reserved.
10046         (Incremental_inputs_entry_data): Renamed from
10047         Incremental_input_entry_data.
10048         (Incremental_inputs_entry_data::data_size): New field.
10049         (Incremental_inputs::report_command_line): New method.
10050         (Incremental_inputs::finalize): New method.
10051         (Incremental_inputs::create_incremental_inputs_data): New method.
10052         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10053         * incremental.h: New file.
10054         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10055        (Layout::finalize): Create incremental inputs section in
10056         incremental builds.
10057        (Layout::create_incremental_info_sections): New method.
10058         * layout.h (Layout::incremental_inputs): New method.
10059        (Layout::create_incremental_info_sections): New method.
10060        (Layout::incremental_inputs_): New field.
10061         * main.cc (main): Notify Incremental_input of the command line.
10062
10063 2009-04-01  Ian Lance Taylor  <iant@google.com>
10064             Mikolaj Zalewski  <mikolajz@google.com>
10065
10066         * gold.h (reserve_unordered_map): Define, three versions, one for
10067         each version of Unordered_map.
10068         * layout.cc (Layout::Layout): Remove options parameter.  Add
10069         number_of_input_files parameter.  Don't initialize options_.
10070         Initialize number_of_input_files_ and resized_signatures_.  Move
10071         sections_are_attached_.
10072         (Layout::layout_group): Reserve space for group_signatures_.
10073         (Layout::find_or_add_kept_section): Change name parameter to be a
10074         reference.  Resize signatures_ map when it gets large enough.
10075         (Layout::layout_eh_frame): Use parameters->options() instead of
10076         this->options_.
10077         (Layout::make_output_section): Likewise.
10078         (Layout::attach_allocated_section_to_segment): Likewise.
10079         (Layout::finalize, Layout::create_executable_stack): Likewise.
10080         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10081         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10082         * layout.h (class Layout): Update declarations.  Remove options_
10083         field.  Add number_of_input_files_ and resized_signatures_
10084         fields.  Move sections_are_attached_ field.
10085         * main.cc (main): Pass number of input files to Layout
10086         constructor.  Don't pass options.
10087
10088 2009-03-30  Ian Lance Taylor  <iant@google.com>
10089
10090         * ffsll.c (ffsll): Correct implementation.
10091
10092 2009-03-27  Ian Lance Taylor  <iant@google.com>
10093
10094         * ffsll.c: New file.
10095         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10096         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10097         * ftruncate.c (ftruncate): Declare before definition.
10098         * mremap.c (mremap): Likewise.
10099         * pread.c (pread): Likewise.
10100         * configure, Makefile.in, config.in: Rebuild.
10101
10102         * mremap.c: New file.
10103         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10104         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10105         (mremap): Declare if HAVE_MREMAP is not defined.
10106         * configure, Makefile.in, config.in: Rebuild.
10107
10108 2009-03-27  Cary Coutant  <ccoutant@google.com>
10109
10110         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10111         position independent.
10112         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10113         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10114
10115 2009-03-24  Cary Coutant  <ccoutant@google.com>
10116
10117         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10118         an executable.
10119         (needs_dynamic_reloc): Likewise.
10120
10121 2009-03-24  Ian Lance Taylor  <iant@google.com>
10122
10123         * yyscript.y (file_cmd): Recognize EXTERN.
10124         (extern_name_list, extern_name_list_body): New nonterminals.
10125         * script.cc (script_add_extern): Define.
10126         * script-c.h (script_add_extern): Declare.
10127
10128 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10129
10130         * object.cc (is_elf_object): Define.
10131         * object.h (is_elf_object): Declare.
10132         * archive.cc (Archive::get_elf_object_for_member): Call
10133         is_elf_object.
10134         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10135
10136 2009-03-24  Elliott Hughes  <enh@google.com>
10137
10138         * output.cc (Output_file::map_anonymous): Define.
10139         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10140         try an anonymous one.  Report the size if the mmap fails.
10141         * output.h (class Output_file): Declare map_anonymous.
10142
10143 2009-03-24  Ian Lance Taylor  <iant@google.com>
10144
10145         * target-select.cc (instantiate_target): Don't acquire the lock if
10146         the instantiated_target_ field has already been set.
10147
10148 2009-03-23  Ian Lance Taylor  <iant@google.com>
10149
10150         * gold-threads.h (class Initialize_lock): Define.
10151         * gold-threads.cc (class Initialize_lock_once): Define.
10152         (initialize_lock_control): New static variable.
10153         (initialize_lock_pointer): New static variable.
10154         (initialize_lock_once): New static function.
10155         (Initialize_lock::Initialize_lock): Define.
10156         (Initialize_lock::initialize): Define.
10157         * target-select.h: Include "gold-threads.h".
10158         (class Target_selector): Add lock_ and initialize_lock_ fields.
10159         Don't define instantiate_target, just declare it.
10160         * target-select.cc (Target_selector::Target_selector): Initialize
10161         new fields.
10162         (Target_selector::instantiate_target): Define.
10163         * descriptors.h: Include "gold-threads.h".
10164         (class Descriptors): Add initialize_lock_ field.
10165         * descriptors.cc (Descriptors::Descriptors): Initialize new
10166         field.
10167         (Descriptors::open): Use initialize_lock_ field
10168         * errors.h (class Errors): Add initialize_lock_ field.
10169         * errors.cc (Errors::Errors): Initialize new field.
10170         (Errors::initialize_lock): Use initialize_lock_ field.
10171         * powerpc.cc (class Target_selector_powerpc): Remove
10172         instantiated_target_ field.  In do_recognize call
10173         instantiate_target rather than do_instantiate_target.  In
10174         do_instantiate_target just allocate a new target.
10175         * sparc.cc (class Target_selector_sparc): Likewise.
10176
10177         * freebsd.h: New file.
10178         * i386.cc: Include "freebsd.h".
10179         (Target_i386): Derive from Target_freebsd rather than
10180         Sized_target.
10181         (Target_selector_i386): Derive from Target_selector_freebsd rather
10182         than Target_selector.
10183         * x86_64.cc: Include "freebsd.h".
10184         (Target_x86_64): Derive from Target_freebsd rather than
10185         Sized_target.
10186         (Target_selector_x86_64): Derive from Target_selector_freebsd
10187         rather than Target_selector.
10188         * target.h (class Target): Add adjust_elf_header and
10189         do_adjust_elf_header.
10190         * output.cc (Output_file_header:: do_sized_write): Call target
10191         adjust_elf_header routine.
10192         * configure.tgt: Set targ_osabi.
10193         * configure.ac: Define GOLD_DEFAULT_OSABI.
10194         * parameters.cc (Parameters::default_target): Pass
10195         GOLD_DEFAULT_OSABI to select_target.
10196         * target-select.h (class Target_selector): Make instantiate_target
10197         protected rather than private.
10198         * Makefile.am (HFILES): Add freebsd.h.
10199         * configure, Makefile.in, config.in: Rebuild.
10200
10201         * merge.cc (do_add_input_section): Correct pend value.  Change
10202         message about last entry not being null terminated from error to
10203         warning.
10204
10205 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10206
10207         * incremental.cc: New file.
10208         * Makefile.am (CCFILES): Add incremental.cc.
10209         * Makefile.in: Rebuild.
10210
10211 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10212
10213         * layout.cc (Layout::output_section_name): Preserve names
10214         of '.note.' sections.
10215
10216 2009-03-19  Ian Lance Taylor  <iant@google.com>
10217
10218         * descriptors.cc (Descriptors::open): Check that the options are
10219         valid before using them.
10220
10221 2009-03-18  Ian Lance Taylor  <iant@google.com>
10222
10223         * script-sections.h: Include <list>.
10224         (class Script_sections): Change Sections_elements from std::vector
10225         to std::list.  Typedef public Elements_iterator.  Add
10226         orphan_section_placement_, data_segment_align_start_, and
10227         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10228         field.
10229         * script-sections.cc (class Orphan_section_placement): New class.
10230         (class Sections_element): Add virtual functions is_relro and
10231         orphan_section_init.  Remove virtual function place_orphan_here.
10232         (class Output_section_definition): Add is_relro and
10233         orphan_section_init.  Remove place_orphan_here.
10234         (class Orphan_output_section): Likewise.
10235         (Script_sections::Script_sections): Update for field changes.
10236         (Script_sections::data_segment_align): Set saw_data_segment_align_
10237         and data_segment_align_start_, not data_segment_align_index.
10238         (Script_sections::data_segment_relro_end): Check
10239         saw_data_segment_align_.  Use data_segment_align_start_ rather
10240         than data_segment_align_index_.
10241         (Script_sections::place_orphan): Rewrite to use
10242         Orphan_section_placement.
10243
10244 2009-03-17  Ian Lance Taylor  <iant@google.com>
10245
10246         * archive.cc (Archive::add_symbols): Check for a version attached
10247         to the symbol name in the archive map.
10248         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10249         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10250         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10251         (ver_test_11.a): New target.
10252         * testsuite/Makefile.in: Rebuild.
10253
10254         * configure.ac: Check for chsize and posix_fallocate.  Replace
10255         ftruncate.
10256         * ftruncate.c: New file, from gnulib.
10257         * output.cc (posix_fallocate): Define dummy version if not
10258         HAVE_POSIX_FALLOCATE.
10259         (Output_file::map): Call posix_fallocate rather than lseek and
10260         write.
10261         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10262         * configure, Makefile.in, config.in: Rebuild.
10263
10264 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10265
10266         * layout.h (Layout::create_note): Add section_name parameter.
10267         * layout.cc (Layout::create_note): Likewise.
10268         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10269
10270 2009-03-17  Ian Lance Taylor  <iant@google.com>
10271
10272         * descriptors.cc: Include "options.h".
10273         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10274         (Descriptors::open): Always use O_CLOEXEC when opening a new
10275         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10276         then set FD_CLOEXEC.
10277
10278         * sparc.cc (class Target_sparc): Add has_got_section.
10279         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10280         make sure we have a GOT section.
10281
10282         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10283         (Target_sparc::Scan::local): Likewise.
10284         (Target_sparc::Scan::global): Likewise.
10285         (Target_sparc::Relocate::relocate): Likewise.
10286         (Target_sparc::Relocate::relocate_tls): Likewise.
10287
10288         * symtab.cc (Symbol_table::define_default_version): New function,
10289         broken out of add_from_object.
10290         (Symbol_table::add_from_object): Call define_default_version.
10291         (Symbol_table::define_special_symbol): Add resolve_oldsym
10292         parameter.  Change all callers.  If the version for a symbol comes
10293         from a version script, resolve it with the symbol with the same
10294         name with no version.  Also add the symbol without a version if
10295         appropriate.
10296         (do_define_in_output_data): If resolving with oldsym, don't delete
10297         sym.
10298         (do_define_in_output_segment): Likewise.
10299         (do_define_as_constant): Likewise.
10300         * symtab.h (class Symbol_table): Update declarations.
10301
10302 2009-03-13  Ian Lance Taylor  <iant@google.com>
10303
10304         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10305         (Read_symbols::requeue): New function.
10306         (Read_symbols::do_read_symbols): If make_elf_object fails because
10307         the target type is not configured, and the file was searched for,
10308         issue a warning and retry with the next directory.
10309         (Add_symbols::run): If the file has an incompatible format, and
10310         it was searched for, requeue the Read_symbols task.  On error,
10311         release the object.
10312         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10313         dirindex parameter to constructor.  Change all callers.  Declare
10314         incompatible_warning and requeue.
10315         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10316         input_argument_ and input_group_ fields.  Add them to
10317         constructor.  Change all callers.
10318         (class Read_script): Add dirindex_ field.  Add it to constructor.
10319         Change all callers.
10320         * archive.cc (Archive::setup): Remove input_objects parameter.
10321         Change all callers.
10322         (Archive::get_file_and_offset): Likewise.
10323         (Archive::read_all_symbols): Likewise.
10324         (Archive::read_symbols): Likewise.
10325         (Archive::get_elf_object_for_member): Remove input_objects
10326         parameter.  Add punconfigured parameter.  Change all callers.
10327         (Archive::add_symbols): Change return type to bool.  Check return
10328         value of include_member.
10329         (Archive::include_all_members): Likewise.
10330         (Archive::include_member): Change return type to bool.  Return
10331         false if first included object has incompatible target.  Set
10332         included_member_ field.
10333         (Add_archive_symbols::run): If add_symbols returns false, requeue
10334         Read_symbols task.
10335         * archive.h (class Archive): Add included_member_ field.
10336         Initialize it in constructor.  Add input_file and searched_for
10337         methods.  Update declarations.
10338         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10339         input_argument_ fields.  Add them to constructor.  Change all
10340         callers.
10341         * script.cc: Include "target-select.h".
10342         (class Parser_closure): Add skip_on_incompatible_target_ and
10343         found_incompatible_target_ fields.  Add
10344         skip_on_incompatible_target parameter to constructor.  Change all
10345         callers.  Add methods skip_on_incompatible_target,
10346         clear_skip_on_incompatible_target, found_incompatible_target, and
10347         set_found_incompatible_target.
10348         (read_input_script): Add dirindex parameter.  Change all callers.
10349         If parser finds an incompatible target, requeue Read_symbols
10350         task.
10351         (script_set_symbol): Clear skip_on_incompatible_target in
10352         closure.
10353         (script_add_assertion, script_parse_option): Likewise.
10354         (script_start_sections, script_add_phdr): Likewise.
10355         (script_check_output_format): New function.
10356         * script.h (read_input_script): Update declaration.
10357         * script-c.h (script_check_output_format): Declare.
10358         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10359         (ignore_cmd): Remove OUTPUT_FORMAT.
10360         * fileread.cc (Input_file::Input_file): Add explicit this.
10361         (Input_file::will_search_for): New function.
10362         (Input_file::open): Add pindex parameter.  Change all callers.
10363         * fileread.h (class Input_file): Add input_file_argument method.
10364         Declare will_search_for.  Update declarations.
10365         * object.cc (make_elf_object): Add punconfigured parameter.
10366         Change all callers.
10367         * object.h (class Object): Make input_file public.  Add
10368         searched_for method.
10369         (make_elf_object): Update declaration.
10370         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10371         restart search.
10372         * dirsearch.h (class Dirsearch): Update declaration.
10373         * options.h (class General_options): Add --warn-search-mismatch.
10374         * parameters.cc (Parameters::is_compatible_target): New function.
10375         * parameters.h (class Parameters): Declare is_compatible_target.
10376         * workqueue.cc (Workqueue::add_blocker): New function.
10377         * workqueue.h (class Workqueue): Declare add_blocker.
10378
10379         * fileread.cc (Input_file::open): Remove options parameter.
10380         Change all callers.
10381         (Input_file::open_binary): Likewise.
10382         * script.cc (read_input_script): Likewise.
10383         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10384         options parameter from constructor.  Change all callers.
10385         (class Read_script): Likewise.
10386         * fileread.h (class Input_file): Update declarations.
10387         * script.h (read_input_script): Update declaration.
10388
10389 2009-03-10  Nick Clifton  <nickc@redhat.com>
10390
10391         * po/es.po: New Spanish translation.
10392
10393 2009-03-06  Cary Coutant  <ccoutant@google.com>
10394
10395         * options.cc (parse_short_option): Keep dash_z from registering itself.
10396
10397 2009-03-03  Ian Lance Taylor  <iant@google.com>
10398
10399         PR 9918
10400         * target-reloc.h (relocate_section): Pass output_section to
10401         relocate.
10402         * i386.cc (Target_i386::should_apply_static_reloc): Add
10403         output_section parameter.  Change all callers.
10404         (Target_i386::Relocate::relocate): Add output_section parameter.
10405         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10406         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10407         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10408         * testsuite/two_file_shared.sh: New script.
10409         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10410         (check_DATA): Add two_file_shared.dbg.
10411         (two_file_shared.dbg): New target.
10412         * testsuite/Makefile.in: Rebuild.
10413
10414 2009-03-01  Ian Lance Taylor  <iant@google.com>
10415
10416         * configure.ac: Check for byteswap.h.
10417         * configure: Rebuild.
10418         * config.in: Rebuild.
10419
10420 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10421
10422         * layout.cc (Layout::find_or_add_kept_section): New function.
10423         (Layout::add_comdat): Removed.
10424         * layout.h (struct Kept_section): Move out of class Layout.
10425         Remove trailing underscores from field names.  Add group_sections
10426         field.  Rename group_ field to is_group.  Change all uses.
10427         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10428         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10429         comdat_groups_ field.
10430         (Sized_relobj::include_section_group): Use
10431         find_or_add_kept_section and Kept_section::group_sections.
10432         (Sized_relobj::include_linkonce_section): Likewise.
10433         * object.cc (class Sized_relobj): Don't define Comdat_group or
10434         Comdat_group_table.  Remove find_comdat_group and
10435         add_comdat_group.  Remove comdat_groups_ field.
10436         * plugin.cc (include_comdat_group): Use
10437         Layout::find_or_add_kept_section.
10438
10439 2009-02-28  Ian Lance Taylor  <iant@google.com>
10440
10441         * README: --gc-sections and map files are now supported.  Document
10442         some build requirements.
10443
10444         PR 6992
10445         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10446         relocatable link set the value of the section symbol to zero.
10447         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10448         relocatable link don't include the section address in the local
10449         symbol value.
10450
10451 2009-02-27  Ian Lance Taylor  <iant@google.com>
10452
10453         PR 6811
10454         * options.h (class Search_directory): Add is_system_directory.
10455         (class General_options): Declare is_in_system_directory.
10456         * options.cc (get_relative_sysroot): Make static.
10457         (get_default_sysroot): Make static.
10458         (General_optoins::is_in_system_directory): New function.
10459         * fileread.cc (Input_file::is_in_system_directory): New function.
10460         * fileread.h (class Input_file): Declare is_in_system_directory.
10461         * object.h (class Object): Add is_in_system_directory.
10462         (class Input_objects): Remove system_library_directory_ field.
10463         * object.cc (Input_objects::add_object): Don't set
10464         system_library_directory_.
10465         (input_objects::found_in_system_library_directory): Remove.
10466         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10467         parameter.  Change all callers.
10468         (Symbol_table::sized_write_globals): Likewise.
10469         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10470         Call Object::is_in_system_directory.
10471         * symtab.h (class Symbol_table): Update declarations.
10472
10473         PR 5990
10474         * descriptors.h (Open_descriptor): Add is_on_stack field.
10475         * descriptors.cc (Descriptors::open): If the descriptor is on the
10476         top of the stack, remove it.  Initialize is_on_stack field.
10477         (Descriptors::release): Only add pod to stack if it is not on the
10478         stack already.
10479         (Descriptors::close_some_descriptor): Clear stack_next and
10480         is_on_stack fields.
10481
10482         PR 7091
10483         * output.cc (Output_section::find_starting_output_address): Rename
10484         from starting_output_address; add PADDR parameter; change return
10485         type.
10486         * output.h (class Output_section): Declare
10487         find_starting_output_address instead of starting_output_address.
10488         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10489         section symbol for which we can't find a merge section.
10490
10491         PR 9836
10492         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10493         hidden or internal, force the symbol to be local.
10494         * resolve.cc (Symbol::override_visibility): Define.
10495         (Symbol::override_base): Use override_visibility.
10496         (Symbol_table::resolve): Likewise.
10497         (Symbol::override_base_with_special): Likewise.
10498         (Symbol_table::override_with_special): If the visibility is hidden
10499         or internal, force the symbol to be local.
10500         * symtab.h (class Symbol): Add set_visibility and
10501         override_visibility.
10502         * testsuite/ver_test_1.sh: New file.
10503         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10504         (check_DATA): Add ver_test_1.syms.
10505         (ver_test_1.syms): New target.
10506         * testsuite/Makefile.in: Rebuild.
10507
10508 2009-02-25  Cary Coutant  <ccoutant@google.com>
10509
10510         * layout.cc (Layout::choose_output_section): Don't rename sections
10511         when using a linker script that has a SECTIONS clause.
10512         * Makefile.in: Regenerate.
10513
10514         * testsuite/Makefile.am (script_test_5.sh): New test case.
10515         * testsuite/Makefile.in: Regenerate.
10516         * testsuite/script_test_5.cc: New file.
10517         * testsuite/script_test_5.sh: New file.
10518         * testsuite/script_test_5.t: New file.
10519
10520 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10521
10522         * archive.cc (Archive::include_member): Update calls to add_symbols.
10523         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10524         the Layout argument.
10525         * dynobj.h (do_add_symbols): Add the Layout argument.
10526         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10527         Layout argument.
10528         * object.h (Object::add_symbols): Add the Layout argument.
10529         (Object::do_add_symbols): Add the Layout argument.
10530         (Sized_relobj::do_add_symbols): Add the Layout argument.
10531         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10532         Unify the two versions.
10533         (Add_plugin_symbols): Remove.
10534         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10535         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10536         (Add_plugin_symbols): Remove.
10537         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10538         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10539         (Add_symbols::run): Make it work with Pulginobj.
10540
10541 2009-02-06  Ian Lance Taylor  <iant@google.com>
10542
10543         * object.cc (Sized_relobj::do_layout): Make info message start
10544         with lower case letter.
10545
10546 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10547
10548         * binary.cc: Fix file comment.
10549
10550         * options.h (enum Incremental_disposition): Define.
10551         (class General_options): Add new options: --incremental,
10552         --incremental_changed, --incremental_unchanged,
10553         --incremental_unknown.  Add incremental_disposition_ and
10554         implicit_incremental_ fields.
10555         (General_options::incremental_disposition): New function.
10556         (class Position_dependent_options): Add incremental_disposition
10557         option.
10558         (Position_dependent_options::copy_from_options): Set incremental
10559         dispositions.
10560         * options.cc (General_options::parse_incremental_changed): New
10561         function.
10562         (General_options::parse_incremental_unchanged): New function.
10563         (General_options::parse_incremental_unknown): New function.
10564         (General_options::General_options): Initialize new fields
10565         incremental_disposition_ and implicit_incremental_.
10566         (General_options::finalize): Check for uasge of --incremental-*
10567         without --incremental.
10568
10569 2009-02-06  Chris Demetriou  <cgd@google.com>
10570
10571         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10572         pointer and to report location as the file name associated with
10573         the symbol.
10574         (gold_undefined_symbol_at_location): New function to replace the
10575         old gold_undefined_symbol functionality.
10576         * target-reloc.h (relocate_section): Update to use
10577         gold_undefined_symbol_at_location.
10578         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10579         Call gold_undefined_symbol function rather than gold_error.
10580         * errors.h (Errors::undefined_symbol): Take location as a
10581         string, rather than calculating it from a relocation.
10582         * errors.cc (Errors::fatal): Print "fatal error:" before the
10583         formatted message.
10584         (Errors::error, Errors::error_at_location): Print "error: "
10585         before the formatted message.
10586         (Errors::undefined_symbol): Take location as a string, rather
10587         than calculating it from a relocation.
10588         (gold_undefined_symbol_at_location): New function akin to
10589         old gold_undefined_symbol, calculates location from relocation.
10590         (gold_undefined_symbol): Change to take only a Symbol pointer
10591         and to report location as the file name associated with the symbol.
10592         * testsuite/debug_msg.sh: Update for changed error messages.
10593         * testsuite/undef_symbol.sh: Likewise.
10594
10595 2009-02-04  Duncan Sands  <baldrick@free.fr>
10596
10597         PR 9812
10598         * reduced_debug_output.h
10599         (Output_reduced_debug_abbrev_section::failed): Use format for
10600         gold_warning.
10601         (Output_reduced_debug_info_section::faild): Likewise.
10602
10603 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10604
10605         * script.cc (Lazy_demangler): New class.
10606         (Version_script_info::get_symbol_version_helper): Demangle a
10607         symbol only once.
10608
10609 2009-01-29  Cary Coutant  <ccoutant@google.com>
10610
10611         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10612         to __tls_get_addr.
10613         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10614
10615 2009-01-28  Ian Lance Taylor  <iant@google.com>
10616
10617         * version.cc (version_string): Bump to 1.9.
10618
10619         * gold.h: Include <cstring> and <stdint.h>.
10620         * version.cc: Include <cstdio>.
10621         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10622         warning.
10623         * reduced_debug_output.cc (insert_into_vector): Rename from
10624         Insert_into_vector; change all callers.  Use Swap_unaligned to
10625         avoid aliasing issue; remove union since it is unnecessary.
10626
10627 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10628
10629         * Makefile.am (CCFILES): Add gc.cc.
10630         (HFILES): Add gc.h.
10631         * Makefile.in: Regenerate.
10632         * gold.cc (Gc_runner): New class.
10633         (queue_initial_tasks): Call garbage collection related tasks
10634         when corresponding options are invoked.
10635         (queue_middle_gc_tasks): New function.
10636         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10637         processed early before laying out sections during garbage collection.
10638         * gold.h (queue_middle_gc_tasks): New function.
10639         (is_prefix_of): Move from "layout.cc".
10640         * i386.cc (Target_i386::gc_process_relocs): New function.
10641         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10642         * main.cc (main): Create object of class "Garbage_collection".
10643         * object.cc (Relobj::copy_symbols_data): New function.
10644         (Relobj::is_section_name_included): New function.
10645         (Sized_relobj::do_layout): Allow this function to be called twice
10646         during garbage collection and defer layout of section during the
10647         first call.
10648         * object.h (Relobj::get_symbols_data): New function.
10649         (Relobj::is_section_name_included): New function.
10650         (Relobj::copy_symbols_data): New function.
10651         (Relobj::set_symbols_data): New function.
10652         (Relobj::get_relocs_data): New function.
10653         (Relobj::set_relocs_data): New function.
10654         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10655         (Relobj::gc_process_relocs): New function.
10656         (Relobj::do_gc_process_relocs): New pure virtual function.
10657         (Relobj::sd_): New data member.
10658         (Sized_relobj::is_output_section_offset_invalid): New function.
10659         (Sized_relobj::do_gc_process_relocs): New function.
10660         * options.h (General_options::gc_sections): Modify to not be a no-op.
10661         (General_options::print_gc_sections): New option.
10662         * plugin.cc (Plugin_finish::run): Remove function call to
10663         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10664         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10665         * reloc.cc (Read_relocs::run): Add task to process relocs and
10666         determine unreferenced sections when doing garbage collection.
10667         (Gc_process_relocs): New class.
10668         (Sized_relobj::do_gc_process_relocs): New function.
10669         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10670         sections that are garbage collected.
10671         * reloc.h (Gc_process_relocs): New class.
10672         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10673         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10674         symbols whose corresponding sections are garbage collected.
10675         (Symbol_table::Symbol_table): Add new parameter for the garbage
10676         collection object.
10677         (Symbol_table::gc_mark_undef_symbols): New function.
10678         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10679         (Symbol_table::gc_mark_dyn_syms): New function.
10680         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10681         as garbage.
10682         (Symbol_table::add_from_object): Likewise.
10683         (Symbol_table::add_from_relobj): When building shared objects, do not
10684         treat externally visible symbols as garbage.
10685         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10686         table information for static and relocatable links.
10687         * symtab.h (Symbol_table::set_gc): New function.
10688         (Symbol_table::gc): New function.
10689         (Symbol_table::gc_mark_undef_symbols): New function.
10690         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10691         (Symbol_table::gc_mark_dyn_syms): New function.
10692         (Symbol_table::gc_): New data member.
10693         * target.h (Sized_target::gc_process_relocs): New pure virtual
10694         function.
10695         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10696         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10697
10698 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10699
10700         * options.h (General_options::gc_sections): Define as a no-op for now.
10701         (General_options::no_keep_memory): Ditto.
10702         (General_options::Bshareable): Define.
10703         * options.cc (General_options::finalize): Honor -Bshareable.
10704
10705 2009-01-20  Andreas Schwab  <schwab@suse.de>
10706
10707         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10708         read the value in the contents, since we don't use it.  Use the
10709         template endianness when writing.
10710         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10711
10712 2009-01-19  Andreas Schwab  <schwab@suse.de>
10713
10714         * configure.tgt (powerpc64-*): Fix targ_obj.
10715
10716 2009-01-15  Ian Lance Taylor  <iant@google.com>
10717
10718         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10719         local symbols when stripping all symbols.
10720
10721 2009-01-14  Cary Coutant  <ccoutant@google.com>
10722
10723         * output.cc (Output_reloc): Add explicit instantiations.
10724
10725 2009-01-14  Cary Coutant  <ccoutant@google.com>
10726
10727         * archive.cc (Archive::get_elf_object_for_member): Remove call
10728         to File_read::claim_for_plugin.
10729         * descriptors.cc (Descriptors::open): Remove reference to
10730         is_claimed.
10731         (Descriptors::claim_for_plugin): Remove.
10732         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10733         (Descriptors::is_claimed): Remove.
10734         (claim_descriptor_for_plugin): Remove.
10735         * fileread.cc (File_read::claim_for_plugin): Remove.
10736         * fileread.h (File_read::claim_for_plugin): Remove.
10737         (File_read::descriptor): Reopen descriptor if necessary.
10738         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10739         (Plugin_manager::all_symbols_read): Add task parameter. Change
10740         all callers.
10741         (Plugin_manager::get_input_file): New function.
10742         (Plugin_manager::release_input_file): New function.
10743         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10744         corresponding data member.
10745         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10746         and pass to base constructor. Change all callers.
10747         (get_input_file, release_input_file): New functions.
10748         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10749         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10750         (Plugin_manager::all_symbols_read): Add task parameter.
10751         (Plugin_manager::get_input_file): New function.
10752         (Plugin_manager::release_input_file): New function.
10753         (Plugin_manager::task_): New data member.
10754         (Pluginobj::Pluginobj): Add filesize parameter.
10755         (Pluginobj::filename): New function.
10756         (Pluginobj::descriptor): New function.
10757         (Pluginobj::filesize): New function.
10758         (Pluginobj::filesize_): New data member.
10759         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10760         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10761         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10762
10763         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10764         with archive libraries.
10765         * testsuite/Makefile.in: Regenerate.
10766         * testsuite/plugin_test.c (struct sym_info): New type.
10767         (get_input_file, release_input_file): New static variables.
10768         (onload): Capture new transfer vector entries.
10769         (claim_file_hook): Stop reading at end of file according to filesize.
10770         Factor out parsing of readelf output into separate function.
10771         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10772         APIs and get the source file name from the symbol table.  Convert
10773         source file name to corresponding object file name.  Print info
10774         message when adding new input files.
10775         (parse_readelf_line): New function.
10776         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10777         * testsuite/plugin_test_2.sh: Likewise.
10778         * testsuite/plugin_test_3.sh: Likewise.
10779         * testsuite/plugin_test_4.sh: New test case.
10780
10781 2009-01-07  Ian Lance Taylor  <iant@google.com>
10782
10783         * version.cc (version_string): Bump to 1.8.
10784
10785 2008-12-23  Cary Coutant  <ccoutant@google.com>
10786
10787         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10788         * plugin.cc (Plugin_manager::finish): Rename as
10789         layout_deferred_objects.  Move cleanup to separate function.
10790         (Plugin_manager::cleanup): New function.
10791         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10792         separately.
10793         * plugin.h (Plugin_manager::finish): Rename as
10794         layout_deferred_objects.
10795         (Plugin_manager::cleanup): New function.
10796         (Plugin_manager::cleanup_done): New field.
10797
10798 2008-12-23  Cary Coutant  <ccoutant@google.com>
10799
10800         * plugin.cc (is_visible_from_outside): New function.
10801         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10802         so we don't return "IR only" status for exported symbols or -r links.
10803
10804         * testsuite/Makefile.am (plugin_test_3): New test case.
10805         * testsuite/Makefile.in: Regenerate.
10806         * testsuite/plugin_test_3.sh: New file.
10807
10808 2008-12-22  Cary Coutant  <ccoutant@google.com>
10809
10810         * object.cc (Sized_relobj::layout_section): New function.
10811         (Sized_relobj::do_layout): Defer layout of input sections until after
10812         plugin has provided replacement files.
10813         (Sized_relobj::do_layout_deferred_sections): New function.
10814         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10815         (Relobj::layout_deferred_sections): New function.
10816         (Relobj::do_layout_deferred_sections): New function.
10817         (Sized_relobj::do_layout_deferred_sections): New function.
10818         (Sized_relobj::layout_section): New function.
10819         (Sized_relobj::Deferred_layout): New structure.
10820         (Sized_relobj::deferred_layout_): New field.
10821         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10822         Change all callers.  Layout deferred sections.
10823         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10824         references.
10825         (Plugin_hook::run): Move code from do_plugin_hook inline.
10826         (Plugin_hook::do_plugin_hook): Remove.
10827         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10828         (Plugin_manager::finish): Renamed, was cleanup.
10829         (Plugin_manager::should_defer_layout): New function.
10830         (Plugin_manager::add_deferred_layout_object): New function.
10831         (Plugin_manager::Deferred_layout_list): New type.
10832         (Plugin_manager::deferred_layout_objects_): New field.
10833         (Plugin_hook::do_plugin_hook): Remove.
10834
10835 2008-12-17  Ian Lance Taylor  <iant@google.com>
10836
10837         * options.h (class General_options): Add --no case for
10838         --export-dynamic.
10839
10840 2008-12-16  Cary Coutant  <ccoutant@google.com>
10841
10842         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10843         vector.
10844         (Plugin_manager::claim_file): Create plugin object even if
10845         plugin did not call the add_symbols callback.
10846         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10847         asking for more symbols than were added.
10848         * testsuite/Makefile.am (plugin_test_1): Add test case with
10849         no global symbols.
10850         (empty.syms): New target.
10851         * testsuite/Makefile.in: Regenerate.
10852         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10853         message. Don't call add_symbols if no globals.
10854         (all_symbols_read_hook): Don't provide replacement for empty
10855         claimed file.
10856
10857 2008-12-12  Ian Lance Taylor  <iant@google.com>
10858
10859         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10860         r_type == 0 for a local symbol with r_sym == 0.
10861         (scan_relocatable_relocs): Pass r_sym to
10862         local_non_section_strategy.
10863         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10864         r_sym parameter.
10865
10866         * configure.ac: Update test for TLS descriptors: they are
10867         supported as of glibc 2.9.
10868         * configure: Rebuild.
10869
10870 2008-12-11  Ian Lance Taylor  <iant@google.com>
10871
10872         PR 7091
10873         * target-reloc.h (Default_scan_relocatable_relocs): For each
10874         function, map r_type == 0 to RELOC_DISCARD.
10875
10876 2008-12-10  Cary Coutant  <ccoutant@google.com>
10877
10878         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10879         object to override a kept COMDAT group from a plugin object.
10880
10881 2008-12-09  Ian Lance Taylor  <iant@google.com>
10882
10883         PR 7088
10884         * yyscript.y (file_cmd): Handle INPUT.
10885
10886         * testsuite/initpri1.c: Change all declarations to be full
10887         prototypes by adding void, to avoid compiler warnings.
10888
10889 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10890
10891         * options.cc (General_options::parse_plugin_opt): New.
10892         (General_options::add_plugin): The argument now is just the filename.
10893         (General_options::add_plugin_option): New.
10894         * options.h (plugin_opt): New.
10895         (add_plugin): Change argument name.
10896         (add_plugin_option): New.
10897         * plugin.cc (Plugin::load): Don't parse the plugin option.
10898         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10899         (Plugin::add_option): New.
10900         (Plugin::args_): Change type.
10901         (Plugin::filename_): New.
10902         (Plugin_manager::add_plugin_option): New.
10903         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10904         * testsuite/Makefile.in: Regenerate.
10905
10906 2008-12-05  Cary Coutant  <ccoutant@google.com>
10907
10908         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10909         Handle --strip-lto-sections option.
10910         * options.h (strip_lto_sections): New option.
10911
10912 2008-12-01  Cary Coutant  <ccoutant@google.com>
10913
10914         * plugin.cc (ld_plugin_message): Change format parameter to const.
10915         Fix mismatch between new[] and delete.
10916
10917 2008-11-14  Cary Coutant  <ccoutant@google.com>
10918
10919         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10920         instead of -1U.
10921
10922 2008-11-05  Craig Silverstein  <csilvers@google.com>
10923
10924         * options.cc (General_options::parse_dynamic_list): New function.
10925         * options.h (General_options): New flags dynamic_list,
10926         dynamic_list_data, dynamic_list_cpp_new, and
10927         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10928         (General_options::in_dynamic_list): New function.
10929         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10930         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10931         (Lex::can_continue_name): Likewise.
10932         (yylex): Likewise.
10933         (read_script_file): New parameter script_options.
10934         (read_dynamic_list): New function.
10935         (Script_options::define_dynamic_list): New function.
10936         (dynamic_list_keyword_parsecodes): New variable.
10937         (dynamic_list_keywords): New variable.
10938         * script.h (Script_options::define_dynamic_list): New function
10939         prototype.
10940         (read_dynamic_list): New function prototype.
10941         * symtab.cc (strprefix): New macro.
10942         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10943         dynamic_list_data, dynamic_list_cpp_new, and
10944         dynamic_list_cpp_typeinfo.
10945         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10946         (dynamic_list_expr): New rule.
10947         (dynamic_list_nodes): Likewise.
10948         (dynamic_list_node): Likewise.
10949         * testsuite/Makefile.am (dynamic_list): New test.
10950         * testsuite/Makefile.in: Regenerated.
10951         * testsuite/dynamic_list.t: New file.
10952         * testsuite/dynamic_list.sh: New file.
10953
10954 2008-11-05  Craig Silverstein  <csilvers@google.com>
10955
10956         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10957         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10958         (t11_last): Likewise.
10959         * testsuite/ver_test_6.c (main): Likewise.
10960
10961 2008-10-07  Cary Coutant  <ccoutant@google.com>
10962
10963         * options.c (General_options::finalize): Add check for -static and
10964         -shared.
10965         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10966         is not empty.
10967
10968 2008-10-02  Cary Coutant  <ccoutant@google.com>
10969
10970         * plugin.cc (make_sized_plugin_object): Fix conditional
10971         compilation to work when not all targets are enabled.
10972
10973 2008-09-29  Cary Coutant  <ccoutant@google.com>
10974
10975         * archive.cc (Archive::get_file_and_offset): Use filename instead
10976         of name to get library path.
10977         (Archive::include_member): Unlock external member of a thin archive.
10978
10979         * testsuite/Makefile.am (TEST_AR): New variable.
10980         (thin_archive_test_1): New test.
10981         (thin_archive_test_2): New test.
10982         * testsuite/Makefile.in: Regenerate.
10983         * testsuite/thin_archive_main.cc: New file.
10984         * testsuite/thin_archive_test_1.cc: New file.
10985         * testsuite/thin_archive_test_2.cc: New file.
10986         * testsuite/thin_archive_test_3.cc: New file.
10987         * testsuite/thin_archive_test_4.cc: New file.
10988
10989 2008-09-29  Cary Coutant  <ccoutant@google.com>
10990
10991         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10992         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10993         instead of -1U.
10994         (Sized_relobj::do_finalize_local_symbols): Likewise.
10995         (Sized_relobj::map_to_kept_section): Likewise.
10996         * object.h (Sized_relobj::invalid_address): New constant.
10997         (Sized_relobj::do_output_section_offset): Check for invalid_address
10998         and return -1ULL.
10999         * output.cc (Output_reloc::local_section_offset): Use constant
11000         invalid_address instead of -1U.
11001         (Output_reloc::get_address): Likewise.
11002         (Output_section::output_address): Change -1U to -1ULL.
11003         * output.h (Output_reloc::invalid_address): New constant.
11004         * reloc.cc (Sized_relobj::write_sections): Use constant
11005         invalid_address instead of -1U.
11006         (Sized_relobj::relocate_sections): Likewise.
11007         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11008         values for merge sections.
11009         * target-reloc.h (relocate_for_relocatable): Use constant
11010         invalid_address instead of -1U.
11011
11012 2008-09-19  Cary Coutant  <ccoutant@google.com>
11013
11014         Add plugin functionality for link-time optimization (LTO).
11015         * configure.ac (plugins): Add --enable-plugins option.
11016         * configure: Regenerate.
11017         * config.in: Regenerate.
11018         * Makefile.am (LIBDL): New variable.
11019         (CCFILES): Add plugin.cc.
11020         (HFILES): Add plugin.h.
11021         (ldadd_var): Add LIBDL.
11022         * Makefile.in: Regenerate.
11023
11024         * archive.cc: Include "plugin.h".
11025         (Archive::setup): Don't preread archive symbols when using a plugin.
11026         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11027         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11028         files.
11029         (Archive::include_member): Add symbols from plugin objects.
11030         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11031         * descriptors.cc (Descriptors::open): Check for file descriptors
11032         abandoned by plugins.
11033         (Descriptors::claim_for_plugin): New function.
11034         * descriptors.h (Descriptors::claim_for_plugin): New function.
11035         (Open_descriptor::is_claimed): New field.
11036         (claim_descriptor_for_plugin): New function.
11037         * fileread.cc (File_read::claim_for_plugin): New function.
11038         * fileread.h (File_read::claim_for_plugin): New function.
11039         (File_read::descriptor): New function.
11040         * gold.cc: Include "plugin.h".
11041         (queue_initial_tasks): Add task to call plugin hooks for generating
11042         new object files.
11043         * main.cc: Include "plugin.h".
11044         (main): Load plugin libraries.
11045         * object.h (Pluginobj): Declare.
11046         (Object::pluginobj): New function.
11047         (Object::do_pluginobj): New function.
11048         (Object::set_target): New function.
11049         * options.cc: Include "plugin.h".
11050         (General_options::parse_plugin): New function.
11051         (General_options::General_options): Initialize plugins_ field.
11052         (General_options::add_plugin): New function.
11053         * options.h (Plugin_manager): Declare.
11054         (General_options): Add --plugin option.
11055         (General_options::has_plugins): New function.
11056         (General_options::plugins): New function.
11057         (General_options::add_plugin): New function.
11058         (General_options::plugins_): New field.
11059         * plugin.cc: New file.
11060         * plugin.h: New file.
11061         * readsyms.cc: Include "plugin.h".
11062         (Read_symbols::do_read_symbols): Check for archive before checking
11063         for ELF file.  Call plugin hooks to claim files.
11064         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11065         from a real object file; force override when processing replacement
11066         files.
11067         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11068         (Symbol::init_base_object): Likewise.
11069         (Symbol::init_base_output_data): Likewise.
11070         (Symbol::init_base_output_segment): Likewise.
11071         (Symbol::init_base_constant): Likewise.
11072         (Symbol::init_base_undefined): Likewise.
11073         (Symbol::output_section): Assert that object is not a plugin.
11074         (Symbol_table::add_from_pluginobj): New function.
11075         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11076         undefined.
11077         (Symbol_table::sized_write_globals): Likewise.
11078         (Symbol_table::add_from_pluginobj): Instantiate template.
11079         * symtab.h (Sized_pluginobj): Declare.
11080         (Symbol::in_real_elf): New function.
11081         (Symbol::set_in_real_elf): New function.
11082         (Symbol::in_real_elf_): New field.
11083         (Symbol_table::add_from_pluginobj): New function.
11084
11085         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11086         (LIBDL): New variable.
11087         (LDADD): Add LIBDL.
11088         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11089         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11090         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11091         (MOSTLYCLEANFILES): Likewise.
11092         * testsuite/Makefile.in: Regenerate.
11093         * testsuite/plugin_test.c: New file.
11094         * testsuite/plugin_test_1.sh: New file.
11095         * testsuite/plugin_test_2.sh: New file.
11096
11097 2008-09-16  Ian Lance Taylor  <iant@google.com>
11098
11099         * target-reloc.h (relocate_section): Check whether a symbol is
11100         defined by the ABI before reporting an undefined symbol error.
11101         * target.h (Target::is_defined_by_abi): Make parameter const.
11102         (Target::do_is_defined_by_abi): Likewise.
11103         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11104         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11105         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11106         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11107         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11108         * testsuite/Makefile.in: Rebuild.
11109
11110         * fileread.cc (make_view): Add casts to avoid warning.
11111
11112 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11113
11114         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11115         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11116
11117 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11118
11119         * options.h (General_options::output_is_executable): New.
11120         (General_options::output_is_pie): New.
11121         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11122         for shared libraries.
11123         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11124
11125 2008-09-11  Chris Demetriou  <cgd@google.com>
11126
11127         * options.h (origin): New -z option.
11128         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11129         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11130         in DT_FLAGS_1.
11131
11132 2008-09-05  Cary Coutant  <ccoutant@google.com>
11133
11134         * fileread.cc (File_read::make_view): Add check for attempt to map
11135         beyond end of file.
11136
11137 2008-09-05  Cary Coutant  <ccoutant@google.com>
11138
11139         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11140         explicit instantiations.
11141
11142 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11143
11144         PR gold/6858
11145         * options.cc (General_options::finalize): Allow undefined symbols
11146         in shlibs if linking -shared.
11147
11148         PR gold/6859
11149         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11150         symbols as not needing a dynsym entry.
11151
11152 2008-08-20  Craig Silverstein  <csilvers@google.com>
11153
11154         * fileread.cc (File_read::open): Do not lock the file unless it
11155         was successfully opened.
11156
11157 2008-08-14  Cary Coutant  <ccoutant@google.com>
11158
11159         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11160         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11161         * testsuite/tls_test.cc (struct int128): 128-bit struct
11162         for testing TLS relocs with non-zero addend.
11163         (v12): New TLS variable.
11164         (t12): New test.
11165         (t_last): Add check for v12.
11166         * testsuite/tls_test.h (t12): New function.
11167         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11168
11169 2008-08-13  Ian Lance Taylor  <iant@google.com>
11170
11171         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11172         set tls_segment_ or relro_segment_.
11173         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11174         when appropriate.
11175         * output.h (Output_section::clear_is_relro): New function.
11176         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11177         sections specially even when output_data_ is empty.
11178         (Output_segment::maximum_alignment): When first section is relro,
11179         only force alignment for PT_LOAD segments.
11180         * script.cc (script_data_segment_align): New function.
11181         (script_data_segment_relro_end): New function.
11182         * script-c.h (script_data_segment_align): Declare.
11183         (script_data_segment_relro_end): Declare.
11184         * script-sections.h (class Script_sections): Declare
11185         data_segment_align and data_segment_relro_end.  Add fields
11186         segment_align_index_ and saw_relro_end_.
11187         * script-sections.cc (class Sections_element): Add set_is_relro
11188         virtual function.  Add new bool* parameter to place_orphan_here.
11189         Add get_output_section virtual function.
11190         (class Output_section_definition): Add set_is_relro.  Add new
11191         bool* parameter to place_orphan_here.  Add get_output_section.
11192         Add is_relro_ field.
11193         (Output_section_definition::Output_section_definition): Initialize
11194         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11195         and is_relro_ fields.
11196         (Output_section_definition::place_orphan_here): Add is_relro
11197         parameter.
11198         (Output_section_definition::set_section_addresses): Set relro for
11199         output section.
11200         (Output_section_definition::alternate_constraint): Likewise.
11201         (class Orphan_output_section): Add new bool* parameter to
11202         place_orphan_here.  Add get_output_section.
11203         (Orphan_output_section::place_orphan_here): Add is_relro
11204         parameter.
11205         (Script_sections::Script_sections): Initialize
11206         data_segment_align_index_ and saw_relro_end_.
11207         (Script_sections::data_segment_align): New function.
11208         (Script_sections::data_segment_relro_end): New function.
11209         (Script_sections::place_orphan): Set or clear is_relro.
11210         (Script_sections::set_section_addresses): Force alignment of first
11211         TLS section.
11212         * yyscript.y (exp): Call script_data_segment_align and
11213         script_data_segment_relro_end.
11214         * testsuite/relro_script_test.t: New file.
11215         * testsuite/relro_test.cc (using_script): Declare.
11216         (t1, t2): Test using_script.
11217         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11218         (relro_script_test_SOURCES): Define.
11219         (relro_script_test_DEPENDENCIES): Define.
11220         (relro_script_test_LDFLAGS): Define.
11221         (relro_script_test_LDADD): Define.
11222         (relro_script_test.so): New target.
11223         * testsuite/Makefile.in: Rebuild.
11224
11225 2008-08-06  Cary Coutant <ccoutant@google.com>
11226
11227         * archive.cc (Archive::total_archives, Archive::total_members)
11228         (Archive::total_members_loaded): New variables.
11229         (Archive::setup): Add parameter.  Add option to preread
11230         archive symbols.
11231         (Archive::read_armap): Add counter.
11232         (Archive::get_file_and_offset): New function.
11233         (Archive::get_elf_object_for_member): New function.
11234         (Archive::read_all_symbols): New function.
11235         (Archive::read_symbols): New function.
11236         (Archive::add_symbols): Add counters.
11237         (Archive::include_all_members): Use armap to find members if it's
11238         already built.
11239         (Archive::include_member): Skip reading symbols if already read.
11240         Factored code into Archive::get_file_and_offset and
11241         Archive::get_elf_object_for_member.  Changed call to
11242         Mapfile::report_include_archive_member.
11243         (Archive::print_stats): New function.
11244         * archive.h: Declare Object and Read_symbols_data classes.
11245         (Archive::Archive): Add initializers for new members.
11246         (Archive::setup): Add parameter.
11247         (Archive::print_stats): New function.
11248         (Archive::total_archives, Archive::total_members)
11249         (Archive::total_members_loaded): New variables.
11250         (Archive::get_file_and_offset): New function.
11251         (Archive::get_elf_object_for_member): New function.
11252         (Archive::read_all_symbols): New function.
11253         (Archive::read_symbols): New function.
11254         (Archive::Archive_member): New class.
11255         (Archive::members_): New member.
11256         (Archive::num_members_): New member.
11257         * main.cc: Include archive.h.
11258         (main): Call Archive::print_stats.
11259         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11260         archive parameter; member_name is now the fully-decorated name.
11261         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11262         * options.h: (General_options): Add --preread-archive-symbols option.
11263         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11264         Archive::setup.
11265
11266 2008-08-04  Ian Lance Taylor  <iant@google.com>
11267
11268         * symtab.h (Symbol::use_plt_offset): New function.
11269         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11270         * powerpc.cc (Relocate::relocate): Likewise.
11271         * sparc.cc (Relocate::relocate): Likewise.
11272         * x86_64.cc (Relocate::relocate): Likewise.
11273         * testsuite/weak_plt.sh: New test.
11274         * testsuite/weak_plt_main.cc: New test.
11275         * testsuite/weak_plt_shared.cc: New test.
11276         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11277         (check_PROGRAMS): Add weak_plt.
11278         (check_DATA): Add weak_plt_shared.so.
11279         (weak_plt_main_pic.o, weak_plt): New targets.
11280         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11281         * testsuite/Makefile.in: Rebuild.
11282
11283         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11284         gcctestdir/ld.
11285         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11286         * testsuite/Makefile.in: Rebuild.
11287
11288 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11289
11290         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11291         * Makefile.in: Regenerate.
11292         * po/POTFILES.in: Regenerate.
11293
11294 2008-07-29  Ian Lance Taylor  <iant@google.com>
11295
11296         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11297         symbols before other symbols.
11298         * testsuite/script_test_2.cc (test_addr): Declare.
11299         (test_addr_alias): Declare.
11300         (main): Check that test_addr and test_addr_alias have the right
11301         values.
11302         * testsuite/script_test_2.t: Define test_addr_alias and
11303         test_addr.
11304
11305 2008-07-24  Ian Lance Taylor  <iant@google.com>
11306
11307         PR 5990
11308         * descriptors.cc: New file.
11309         * descriptors.h: New file.
11310         * gold-threads.h (class Hold_optional_lock): New class.
11311         * fileread.cc: Include "descriptors.h".
11312         (File_read::~File_read): Release descriptor rather than closing
11313         it.
11314         (File_read::open) [file]: Call open_descriptor rather than open.
11315         Set is_descriptor_opened_.
11316         (File_read::open) [memory]: Assert that descriptor is not open.
11317         (File_read::reopen_descriptor): New function.
11318         (File_read::release): Release descriptor.
11319         (File_read::do_read): Make non-const.  Reopen descriptor.
11320         (File_read::read): Make non-const.
11321         (File_read::make_view): Reopen descriptor.
11322         (File_read::do_readv): Likewise.
11323         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11324         Update declarations.
11325         * layout.cc: Include "descriptors.h".
11326         (Layout::create_build_id): Use open_descriptor rather than open.
11327         * output.cc: Include "descriptors.h".
11328         (Output_file::open): Use open_descriptor rather than open.
11329         * archive.cc (Archive::const_iterator): Change Archive to be
11330         non-const.
11331         (Archive::begin, Archive::end): Make non-const.
11332         (Archive::count_members): Likewise.
11333         * archive.h (class Archive): Update declarations.
11334         * object.h (Object::read): Make non-const.
11335         * Makefile.am (CCFILES): Add descriptors.cc.
11336         (HFILES): Add descriptors.h.
11337         * Makefile.in: Rebuild.
11338
11339         PR 6716
11340         * gold.h: Always include <clocale>.  Add Solaris workarounds
11341         following code in binutils/sysdep.h.
11342
11343         PR 6048
11344         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11345         this->eh_frame_hdr_ is NULL before using it.
11346
11347         * dynobj.cc (Versions::Versions): Update comment.
11348
11349         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11350         the base version name.
11351
11352         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11353         array size plus one.
11354         (Stringpool_template::set_string_offsets): Subtract one from key
11355         before using it as an array index.
11356         (Stringpool_template::get_offset_with_length): Likewise.
11357         (Stringpool_template::write_to_buffer): Likewise.
11358         * stringpool.h (Stringpool_template::get_offset_from_key):
11359         Likewise.
11360
11361 2008-07-23  Ian Lance Taylor  <iant@google.com>
11362
11363         PR 6658
11364         * object.h (Merged_symbol_value::value): Do our best to handle a
11365         negative addend.
11366
11367         PR 6647
11368         * script.cc (Version_script_info::get_versions): Don't add empty
11369         version tag to return value.
11370         (Version_script_info::get_symbol_version_helper): Change return
11371         type to bool.  Add pversion parameter.  Change all callers.
11372         (script_register_vers_node): Don't require a non-NULL tag.
11373         * script.h (class Version_script_info): Update declarations.
11374         (Version_script_info::get_symbol_version): Change return type to
11375         bool.  Add version parameter.  Change all callers.
11376         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11377         handling.  Handle an empty version from a version script.
11378         (Symbol_table::define_special_symbol): Likewise.
11379         * testsuite/ver_test_10.script: New file.
11380         * testsuite/ver_test_10.sh: New file.
11381         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11382         (check_DATA): Add ver_test_10.syms.
11383         (ver_test_10.syms, ver_test_10.so): New target.
11384         * testsuite/Makefile.in: Rebuild.
11385
11386 2008-07-23  Simon Baldwin  <simonb@google.com>
11387
11388         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11389         to zero for undefined symbols from dynamic libraries.
11390
11391 2008-07-23  Ian Lance Taylor  <iant@google.com>
11392
11393         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11394         Change all callers.
11395         * symtab.h (class Symbol_table): Update declaration.
11396         * testsuite/ver_test_9.cc: New file.
11397         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11398         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11399         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11400         (ver_test_9.so, ver_test_9.o): New targets.
11401         * testsuite/Makefile.in: Rebuild.
11402
11403 2008-07-22  Ian Lance Taylor  <iant@google.com>
11404
11405         * options.h (class General_options): Define --check-sections.
11406         * layout.cc (Layout::set_segment_offsets): Handle
11407         --check-sections.
11408
11409         * options.h (class General_options): Define -n/--nmagic and
11410         -N/--omagic.
11411         * options.cc (General_options::finalize): For -n/--nmagic or
11412         -N/--omagic, set -static.
11413         * layout.cc (Layout::attach_allocated_section_to_segment): If
11414         -N/--omagic, don't put read-only and read-write sections in
11415         different segments.
11416         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11417         finding a read-only segment.
11418         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11419         don't set the minimum segment alignment to the common page size,
11420         and don't set the file offset to the address modulo the page size.
11421         * script-sections.cc (Script_sections::create_segments): If
11422         -n/--omagic, don't put read-only and read-write sections in
11423         different segments.
11424
11425         * cref.cc: New file.
11426         * cref.h: New file.
11427         * options.h (class General_options): Add --print-symbol-counts.
11428         * main.cc (main): Issue defined symbol report if requested.
11429         * archive.cc (Archive::interpret_header): Make into a const member
11430         function.
11431         (Archive::add_symbols): Call Input_objects::archive_start and
11432         archive_stop.
11433         (Archive::const_iterator): Define new class.
11434         (Archive::begin, Archive::end): New functions.
11435         (Archive::include_all_members): Rewrite to use iterator.
11436         (Archive::count_members): New function.
11437         * archive.h (class Archive): Update declarations.
11438         (Archive::filename): New function.
11439         * object.cc: Include "cref.h".
11440         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11441         (Sized_relobj::do_get_global_symbol_counts): New function.
11442         (Input_objects::add_object): Add object to cross-referencer.
11443         (Input_objects::archive_start): New function.
11444         (Input_objects::archive_stop): New function.
11445         (Input_objects::print_symbol_counts): New function.
11446         * object.h: Declare Cref and Archive.
11447         (Object::get_global_symbol_counts): New function.
11448         (Object::do_get_global_symbol_counts): New pure virtual function.
11449         (class Sized_relobj): Add defined_count_ field.  Update
11450         declarations.
11451         (class Input_objects): Add cref_ field.  Update constructor.
11452         Update declarations.
11453         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11454         defined_count_.
11455         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11456         symbol counts.
11457         (Sized_dynobj::do_get_global_symbol_counts): New function.
11458         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11459         defined_count_.  Update declarations.  Define Symbols typedef.
11460         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11461         parameter.  Change all callers.
11462         (Symbol_table::add_from_dynobj): Add sympointers and defined
11463         parameters.  Change all callers.
11464         * symtab.h (class Symbol_table): Update declarations.
11465         * Makefile.am (CCFILES): Add cref.cc.
11466         (HFILES): Add cref.h.
11467         * Makefile.in: Rebuild.
11468
11469 2008-07-22  Simon Baldwin  <simonb@google.com>
11470
11471         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11472         to zero when writing undefined symbols.
11473
11474 2008-07-22  Ian Lance Taylor  <iant@google.com>
11475
11476         * output.cc (Output_section::add_input_section): Don't try to
11477         merge empty merge sections.
11478
11479 2008-07-21  Craig Silverstein  <csilvers@google.com>
11480
11481         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11482         Include symbol version in error message.
11483
11484 2008-07-20  Chris Demetriou  <cgd@google.com>
11485
11486         * configure.ac (gold_cv_c_random_seed): New configured variable.
11487         (RANDOM_SEED_CFLAGS): New substituted variable.
11488         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11489         * configure: Rebuild.
11490         * Makefile.in: Likewise.
11491         * testsuite/Makefile.in: Likewise.
11492
11493 2008-07-18  Ian Lance Taylor  <iant@google.com>
11494
11495         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11496         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11497         * testsuite/ver_test_main.cc (main): Call t4.
11498         (t4, t4_2a): Define.
11499         * testsuite/ver_test_2.cc (t4_2): Define.
11500         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11501         * testsuite/ver_test_4.cc (t4_2a): Define.
11502         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11503         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11504
11505 2008-07-17  Ian Lance Taylor  <iant@google.com>
11506
11507         * dynobj.cc (Versions::add_def): If we give an error about a
11508         missing version, go ahead and create the version anyhow.
11509
11510 2008-07-10  Ian Lance Taylor  <iant@google.com>
11511
11512         Handle output sections with more than 0x7fffffff bytes.
11513         * object.h (class Relobj): Change map_to_output_ to
11514         output_sections_, and just keep a section pointer.  Change all
11515         uses.  Move comdat group support to Sized_relobj.
11516         (Relobj::is_section_specially_mapped): Remove.
11517         (Relobj::output_section): Remove poff parameter.  Change all
11518         callers.
11519         (Relobj::output_section_offset): New function.
11520         (Relobj::set_section_offset): Rewrite.
11521         (Relobj::map_to_output): Remove.
11522         (Relobj::output_sections): New function.
11523         (Relobj::do_output_section_offset): New pure virtual function.
11524         (Relobj::do_set_section_offset): Likewise.
11525         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11526         group support from Relobj.  Update declarations.
11527         (Sized_relobj::get_output_section_offset): New function.
11528         (Sized_relobj::do_output_section_offset): New function.
11529         (Sized_relobj::do_set_section_offset): New function.
11530         * object.cc (Relobj::output_section_address): Remove.
11531         (Sized_relobj::Sized_relobj): Initialize new fields.
11532         (Sized_relobj::include_section_group): Cast find_kept_object to
11533         Sized_relobj.
11534         (Sized_relobj::include_linkonce_section): Likewise.
11535         (Sized_relobj::do_layout): Use separate arrays for output section
11536         and output offset.
11537         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11538         output_sections.
11539         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11540         output_sections and section_offsets.
11541         (Sized_relobj::write_local_symbols): Likewise.
11542         (map_to_kept_section): Compute output address directly.
11543         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11544         output_sections and section_offsets.
11545         (Sized_relobj::write_sections): Likewise.
11546         (Sized_relobj::relocate_sections): Likewise.
11547         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11548         * output.h (class Output_reloc): Update declarations.  Change
11549         u2_.relobj to Sized_relobj*.
11550         (class Output_data_reloc): Change add functions to use
11551         Sized_relobj*.
11552         * output.cc (Output_reloc::Output_reloc): Change relobj to
11553         Sized_relobj*.
11554         (Output_reloc::local_section_offset): Change return type to
11555         Elf_Addr.  Use get_output_section_offset.
11556         (Output_reloc::get_address): Likewise.
11557         (Output_section::is_input_address_mapped): Don't call
11558         is_section_specially_mapped.
11559         (Output_section::output_offset): Likewise.
11560         (Output_section::output_address): Likewise.
11561         (Output_section::starting_output_address): Likewise.
11562         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11563         parameter to Sized_relobj*.
11564         (Copy_relocs::need_copy_reloc): Likewise.
11565         (Copy_relocs::save): Likewise.
11566         * copy-relocs.h (class Copy_relocs): Update declarations.
11567         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11568         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11569         * target-reloc.h (relocate_for_relocatable): Change
11570         offset_in_output_section type to Elf_Addr.  Change code that uses
11571         it as well.
11572         * layout.cc (Layout::layout): Always set *off.
11573         * mapfile.cc (Mapfile::print_input_section): Use
11574         output_section_offset.
11575         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11576         Sized_relobj*.
11577         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11578         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11579         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11580
11581 2008-07-03  Ian Lance Taylor  <iant@google.com>
11582
11583         * layout.cc (Layout::include_section): Do not discard unrecognized
11584         SHT_STRTAB sections.
11585
11586 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11587
11588         * script.cc (Lex::can_continue_name): Make '?' allowable in
11589         version-script names.
11590         * testsuite/version_script.map: Change glob pattern to use '?'
11591
11592 2008-06-30  Manish Singh  <yosh@gimp.org>
11593
11594         PR 6585
11595         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11596         Correct typo.
11597
11598 2008-06-30  Ian Lance Taylor  <iant@google.com>
11599
11600         PR 6660
11601         PR 6682
11602         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11603         versions]: Don't try to read the value in the contents, since we
11604         don't use it.  Use the template endianness when writing.
11605
11606 2008-06-25  Cary Coutant  <ccoutant@google.com>
11607
11608         * fileread.cc (File_read::make_view): Assert on zero-length view.
11609         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11610         symbol table when there are no symbols to read.
11611
11612 2008-06-23  Craig Silverstein  <csilvers@google.com>
11613
11614         * version.cc (version_string): Bump to 1.7
11615
11616 2008-06-18  Craig Silverstein  <csilvers@google.com>
11617
11618         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11619         constant 0xFFFF to type Valtype.
11620         (Powerpc_relocate_functions::rel16_ha): Likewise.
11621
11622 2008-06-17  Ian Lance Taylor  <iant@google.com>
11623
11624         * output.h (Output_section::Input_section): Initialize p2align_ to
11625         zero for Output_section_data constructors.
11626         (Output_section::Input_section::addralign): If not an input
11627         section, return the alignment of the Output_section_data.
11628         * testsuite/copy_test.cc: New file.
11629         * testsuite/copy_test_1.cc: New file.
11630         * testsuite/copy_test_2.cc: New file.
11631         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11632         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11633         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11634         (copy_test_1_pic.o, copy_test_1.so): New targets.
11635         (copy_test_2_pic.o, copy_test_2.so): New targets.
11636         * testsuite/Makefile.in: Rebuild.
11637
11638         * script-sections.cc (Script_sections::place_orphan): Initialize
11639         local variable exact.
11640
11641 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11642
11643         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11644
11645 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11646             David S. Miller  <davem@davemloft.net>
11647
11648         * powerpc.cc: New file.
11649         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11650         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11651         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11652         * Makefile.in: Rebuild.
11653
11654 2008-06-09  Ian Lance Taylor  <iant@google.com>
11655
11656         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11657         <exception>.
11658         (throwing, orig_terminate): New static variables.
11659         (terminate_handler): New static function.
11660         (t2): Set terminate handler.
11661
11662 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11663
11664         PR 6584
11665         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11666         alignment.
11667
11668 2008-05-30  Cary Coutant  <ccoutant@google.com>
11669
11670         * archive.cc (Archive::include_all_members) Correct to step
11671         over symbol table and extended name table in thin archives.
11672
11673 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11674
11675         PR 6407
11676         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11677         calculation.
11678
11679 2008-05-28  Caleb Howe  <cshowe@google.com>
11680
11681         * reduced_debug_output.cc: New file.
11682         * reduced_debug_output.h: New file.
11683         * options.h (class General_options): Add --strip-debug-non-line.
11684         * options.cc (General_options::finalize): Add strip_debug_non_line
11685         to the strip heirarchy.
11686         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11687         fields.
11688         * layout.cc: Include "reduced_debug_output.h".
11689         (Layout::Layout): Initialize new fields.
11690         (line_only_debug_sections): New static array.
11691         (is_lines_only_debug_sections): New static inline function.
11692         (Layout::include_section): Handle --strip-debug-non-line.
11693         (Layout::make_output_section): If --strip-debug-non-line, build
11694         new output sections for .debug_abbrev and .debug_info.
11695         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11696         gold.  Warn about possible overflow.
11697         (read_signed_LEB_128): Likewise.
11698         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11699         (read_signed_LEB_128): Declare.
11700         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11701         (HFILES): Add reduced_debug_output.h.
11702         * Makefile.in: Rebuild.
11703
11704 2008-05-21  Ian Lance Taylor  <iant@google.com>
11705
11706         * mapfile.cc: New file.
11707         * mapfile.h: New file.
11708         * options.h (class General_options): Add -M/--print-map and -Map.
11709         * options.cc (General_options::finalize): Make -M equivalent to
11710         -Map -.
11711         * main.cc: Include <cstdio> and "mapfile.h".
11712         (main): Open mapfile if requested.
11713         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11714         constructor.  Change caller.
11715         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11716         (queue_middle_tasks): Likewise.
11717         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11718         declarations.
11719         * archive.cc: Include "mapfile.h".
11720         (Archive::add_symbols): Add mapfile parameter.  Change all
11721         callers.  Pass mapfile, symbol, and reason to include_member.
11722         (Archive::include_all_members): Add mapfile parameter.  Change all
11723         callers.
11724         (Archive::include_member): Add mapfile, sym, and why parameters.
11725         Change all callers.  Report inclusion to map file.
11726         * archive.h: Include "fileread.h".
11727         (class Archive): Update declarations.
11728         (Archive::file): New const method.
11729         (class Add_archive_symbols): Add mapfile_ field.  Update
11730         constructor.  Change all callers.
11731         * readsyms.h (class Read_symbols): Likewise.
11732         (class Finish_group): Likewise.
11733         (class Read_script): Likewise.
11734         * common.cc: Include "mapfile.h".
11735         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11736         all callers.
11737         (Symbol_table::do_allocate_commons): Likewise.
11738         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11739         symbol allocation to mapfile.
11740         * common.h (class Allocate_commons_task): Add mapfile_ field.
11741         Update constructor.  Change all callers.
11742         * symtab.h (class Symbol_table): Update declarations.
11743         * layout.cc: Include "mapfile.h".
11744         (Layout_task_runner::run): Print information to mapfile.
11745         (Layout::create_gold_note): Change Output_data_fixed_space to
11746         Output_data_zero_fill.
11747         (Layout::create_build_id): Likewise.
11748         (Layout::print_to_mapfile): New function.
11749         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11750         constructor.  Change caller.
11751         (class Layout): Declare print_to_mapfile.
11752         * output.cc (Output_section::Input_section::print_to_mapfile): New
11753         function.
11754         (Output_section::add_input_section): If producing a map, always
11755         add to input_sections_ list.
11756         (Output_section::do_print_to_mapfile): New function.
11757         (Output_segment::print_sections_to_mapfile): New function.
11758         (Output_segment::print_section_list_to_mapfile): New function.
11759         * output.h: Include "mapfile.h".
11760         (Output_data::print_to_mapfile): New function.
11761         (Output_data::do_print_to_mapfile): New virtual function.
11762         (Output_segment_headers::do_print_to_mapfile): New function.
11763         (Output_file_header::do_print_to_mapfile): New function.
11764         (Output_data_const::do_print_to_mapfile): New function.
11765         (class Output_data_const_buffer): Add map_name_ field.  Update
11766         constructor.  Change all callers.  Add do_print_to_mapfile
11767         function.
11768         (class Output_data_fixed_space): Likewise.
11769         (class Output_data_space): Likewise.
11770         (class Output_data_zero_fill): New class.
11771         (Output_data_strtab::do_print_to_mapfile): New function.
11772         (Output_data_reloc_base::do_print_to_mapfile): New function.
11773         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11774         (Output_data_group::do_print_to_mapfile): New function.
11775         (Output_data_got::do_print_to_mapfile): New function.
11776         (Output_data_dynamic::do_print_to_mapfile): New function.
11777         (Output_symtab_xindex::do_print_to_mapfile): New function.
11778         (class Output_section): Declare do_print_to_mapflie.  Declare
11779         print_to_mapfile in Input_section.
11780         (class Output_segment): Declare new functions.
11781         * object.h (Sized_relobj::symbol_count): New function.
11782         * script-sections.cc
11783         (Output_section_element_dot_assignment::set_section_addresses):
11784         Change Output_data_fixed_space to Output_data_zero_fill.
11785         (Output_data_expression::do_print_to_mapfile): New function.
11786         * script.cc (read_input_script): Add mapfile parameter.  Change
11787         all callers.
11788         * script.h (read_input_script): Update declaration.
11789         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11790         (Eh_frame::do_print_to_mapfile): New function.
11791         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11792         (Output_merge_string::do_print_to_mapfile): New function.
11793         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11794         function.
11795         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11796         function.
11797         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11798         function.
11799         * Makefile.am (CCFILES): Add mapfile.cc.
11800         (HFILES): Add mapfile.h.
11801         * Makefile.in: Rebuild.
11802
11803 2008-05-19  Ian Lance Taylor  <iant@google.com>
11804
11805         * options.h (class General_options): Add -z relro.
11806         * layout.cc (Layout::Layout): Initialize relro_segment_.
11807         (Layout::add_output_section_data): Return the output section.
11808         (Layout::make_output_section): Rcognize relro sections and mark
11809         them appropriately.
11810         (Layout::attach_allocated_section_to_segment): Put relro sections
11811         in a PT_GNU_RELRO segment.
11812         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11813         section as relro.
11814         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11815         PT_TLS segments.
11816         (Layout::linkonce_mapping): Map d.rel.ro.local to
11817         .data.rel.ro.local.
11818         (Layout::output_section_name): Us .data.rel.ro.local for any
11819         section which begins with that.
11820         * layout.h (class Layout): Update add_output_section_data
11821         declaration.  Add relro_segment_ field.
11822         * output.cc (Output_section::Output_section): Initialize is_relro_
11823         and is_relro_local_ fields.
11824         (Output_segment::add_output_section): Group relro sections.
11825         (Output_segment::is_first_section_relro): New function.
11826         (Output_segment::maximum_alignment): If there is a relro section,
11827         align the segment to the common page size.
11828         (Output_segment::set_section_addresses): Track whether we are
11829         looking at relro sections.  If the last section is a relro
11830         section, align to the common page size.
11831         (Output_segment::set_section_list_addresses): Add in_relro
11832         parameter.  Change all callers.  Align to the page size when
11833         moving from relro to non-relro section.
11834         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11835         segment.
11836         * output.h (class Output_section): Add is_relro_ and
11837         is_relro_local_ fields.
11838         (Output_section::is_relro): New function.
11839         (Output_section::set_is_relro): New function.
11840         (Output_section::is_relro_local): New function.
11841         (Output_section::set_is_relro_local): New function.
11842         (class Output_segment): Update declarations.
11843         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11844         * sparc.cc (Target_sparc::got_section): Likewise.
11845         * x86_64.cc (Target_x86_64::got_section): Likewise.
11846         * testsuite/relro_test_main.cc: New file.
11847         * testsuite/relro_test.cc: New file.
11848         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11849         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11850         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11851         (relro_test.so, relro_test_pic.o): New targets.
11852         * testsuite/Makefile.in: Rebuild.
11853
11854 2008-05-16  Ian Lance Taylor  <iant@google.com>
11855
11856         * output.cc (Output_segment::add_output_section): Remove front
11857         parameter.
11858         * output.h (class Output_segment): Remove
11859         add_initial_output_section and overloaded add_output_section.
11860         Update declaration of remaining add_output_section.
11861         * layout.cc (Layout::create_interp): Call add_output_section
11862         rather than add_initial_output_section.
11863         (Layout::finish_dynamic_section): Likewise.
11864
11865         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11866         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11867         know the dynamic type.
11868         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11869         field.  Initialize it in constructor.
11870         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11871         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11872         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11873         reloc.
11874
11875         * output.cc (Output_reloc::get_address): Change return type to
11876         Elf_Addr.
11877         * output.h (class Output_reloc): Update get_address declaration.
11878         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11879         for section addresses.
11880
11881 2008-05-09  Ian Lance Taylor  <iant@google.com>
11882
11883         PR 6493
11884         * gold.cc (gold_nomem): Use return value of write.
11885
11886 2008-05-08  Ian Lance Taylor  <iant@google.com>
11887
11888         * symtab.c (Symbol::init_base_output_data): Add version
11889         parameter.  Change all callers.
11890         (Symbol::init_base_output_segment): Likewise.
11891         (Symbol::init_base_constant): Likewise.
11892         (Symbol::init_base_undefined): Likewise.
11893         (Sized_symbol::init_output_data): Likewise.
11894         (Sized_symbol::init_output_segment): Likewise.
11895         (Sized_symbol::init_constant): Likewise.
11896         (Sized_symbol::init_undefined): Likewise.
11897         (Symbol_table::do_define_in_output_data): If the new symbol has a
11898         version, mark it as the default.
11899         (Symbol_table::do_define_in_output_segment): Likewise.
11900         (Symbol_table::do_define_as_constant): Likewise.
11901         * symtab.h (class Symbol): Update declarations.
11902         (class Sized_symbol): Likewise.
11903         * resolve.cc (Symbol::override_version): New function.
11904         (Symbol::override_base): Call override_version.
11905         (Symbol::override_base_with_special): Likewise.
11906         * testsuite/ver_script_8.script: New file.
11907         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11908         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11909         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11910         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11911
11912 2008-05-06  Ian Lance Taylor  <iant@google.com>
11913
11914         PR 6049
11915         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11916         functions.
11917         (class General_options): Remove existing --undefined, and add
11918         --no-undefined instead.  Add new --undefined as synonym for -u.
11919         * archive.cc (Archive::add_symbols): Check whether symbol was
11920         named with -u.
11921         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11922         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11923         all uses.  Add IS_UNDEFINED.  Update declarations to split
11924         different versions of init_base.  Declare init_base_undefined.
11925         (Symbol::is_defined): Handle IS_UNDEFINED.
11926         (Symbol::is_undefined): Likewise.
11927         (Symbol::is_weak_undefined): Call is_undefined.
11928         (Symbol::is_absolute): Handle IS_CONSTANT.
11929         (class Sized_symbol): Update declarations to split different
11930         versions of init.  Declare init_undefined.
11931         (class Symbol_table): Declare new functions.
11932         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11933         Change all callers.
11934         (Symbol::init_base_output_data): Likewise.
11935         (Symbol::init_base_output_segment): Likewise.
11936         (Symbol::init_base_constant): Likewise.
11937         (Symbol::init_base_undefined): New function.
11938         (Sized_symbol::init_object): Rename from init.  Change all
11939         callers.
11940         (Sized_symbol::init_output_data): Likewise.
11941         (Sized_symbol::init_output_segment): Likewise.
11942         (Sized_symbol::init_constant): Likewise.
11943         (Sized_symbol::init_undefined): New function.
11944         (Symbol_table::add_undefined_symbols_from_command_line): New
11945         function.
11946         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11947         function.
11948         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11949         (Symbol::output_section): Likewise.
11950         (Symbol::set_output_section): Likewise.
11951         (Symbol_table::sized_finalize_symbol): Likewise.
11952         (Symbol_table::sized_write_globals): Likewise.
11953         * resolve.cc (Symbol_table::should_override): Likewise.
11954         (Symbol::override_base_with_special): Likewise.
11955
11956         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11957         symbol, change it to have default visibility.
11958         * testsuite/protected_1.cc: New file.
11959         * testsuite/protected_2.cc: New file.
11960         * testsuite/protected_3.cc: New file.
11961         * testsuite/protected_main_1.cc: New file.
11962         * testsuite/protected_main_2.cc: New file.
11963         * testsuite/protected_main_3.cc: New file.
11964         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11965         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11966         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11967         (protected_1.so): New target.
11968         (protected_1_pic.o, protected_2_pic.o): New targets.
11969         (protected_3_pic.o): New target.
11970         (check_PROGRAMS): Add protected_2.
11971         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11972         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11973         * testsuite/Makefile.in: Rebuild.
11974
11975         * options.h (DEFINE_var): Add set_user_set_##varname__.
11976         (DEFINE_bool_alias): New macro.
11977         (class General_options): Define -Bstatic using DEFINE_bool_alias
11978         rather than DEFINE_special.  Add --undefined as an alias for -z
11979         defs.
11980         * options.cc (General_options::parse_Bstatic): Remove.
11981
11982         * options.h (class General_options): Add --fatal-warnings.
11983         * main.cc (main): Implement --fatal-warnings.
11984         * errors.h (Errors::warning_count): New function.
11985
11986         * options.h (class General_options): Add -Bsymbolic-functions.
11987         * symtab.h (Symbol::is_preemptible): Check for
11988         -Bsymbolic-functions.
11989
11990 2008-05-05  Ian Lance Taylor  <iant@google.com>
11991
11992         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11993         as noVARNAME rather than no-VARNAME.
11994         (class General_options): Add option -z combreloc.
11995         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11996         get_address.
11997         (Output_reloc::sort_before) [SHT_REL]: New function.
11998         (Output_reloc::sort_before) [SHT_RELA]: New function.
11999         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12000         Sort_relocs_comparison.
12001         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12002         parameter.  Change all callers.
12003         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12004         sort_relocs parameter.  Change all callers.
12005         * output.cc (Output_reloc::get_address): New function, broken out
12006         of write_rel.
12007         (Output_reloc::write_rel): Call it.
12008         (Output_reloc::compare): New function.
12009         (Output_data_reloc_base::do_write): Optionally sort relocs.
12010
12011         * configure.ac: If targ_extra_obj is set, link it in.
12012         * configure.tgt: Initialize all variables.
12013         (x86_64*): Set targ_extra_obj and targ_extra_size.
12014         * configure: Rebuild.
12015
12016         * object.cc (Sized_relobj::include_section_group): Adjust section
12017         indexes read from group data.  Build vector to pass to
12018         layout_group.
12019         * layout.cc (Layout::layout_group): Add flags and shndxes
12020         parameters.  Remove contents parameter.  Change caller.  Update
12021         explicit instantiations.
12022         * layout.h (class Layout): Update layout_group declaration.
12023         * output.cc (Output_data_group::Output_data_group): Add flags and
12024         input_shndxes parameters.  Remove contents parameter.  Change
12025         caller.
12026         (Output_data_group::do_write): Change input_sections_ to
12027         input_shndxes_.
12028         * output.h (class Output_data_group): Update constructor
12029         declaration.  Rename input_sections_ to input_shndxes_.
12030         * testsuite/many_sections_test.cc: Add template.
12031
12032 2008-04-30  Cary Coutant  <ccoutant@google.com>
12033
12034         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12035
12036         * layout.cc (Layout::include_section): Refactored check for debug
12037         info section.
12038         (Layout::add_comdat): Add new parameters.  Change type
12039         of signature parameter.  Add object and shndx to signatures table.
12040         (Layout::find_kept_object): New function.
12041         * layout.h: Include <cstring>.
12042         (Layout::is_debug_info_section): New function.
12043         (Layout::add_comdat): Add new parameters.
12044         (Layout::find_kept_object): New function.
12045         (Layout::Kept_section): New struct.
12046         (Layout::Signatures): Change type of map range.
12047         * object.cc (Relobj::output_section_address): New function.
12048         (Sized_relobj::include_section_group): Add new parameters.  Change
12049         calls to Layout::add_comdat.  Change to build table of kept comdat
12050         groups and table mapping discarded sections to kept sections.
12051         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12052         (Sized_relobj::do_layout): Change calls to include_section_group and
12053         include_linkonce_section.
12054         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12055         value to zero when section is discarded.
12056         (Sized_relobj::map_to_kept_section): New function.
12057         * object.h (Relobj::output_section_address): New function.
12058         (Relobj::Comdat_group): New type.
12059         (Relobj::find_comdat_group): New function.
12060         (Relobj::Comdat_group_table): New type.
12061         (Relobj::Kept_comdat_section): New type.
12062         (Relobj::Kept_comdat_section_table): New type.
12063         (Relobj::add_comdat_group): New function.
12064         (Relobj::set_kept_comdat_section): New function.
12065         (Relobj::get_kept_comdat_section): New function.
12066         (Relobj::comdat_groups_): New field.
12067         (Relobj::kept_comdat_sections_): New field.
12068         (Symbol_value::input_value): Update comment.
12069         (Sized_relobj::map_to_kept_section) New function.
12070         (Sized_relobj::include_linkonce_section): Add new parameter.
12071         * target-reloc.h (Comdat_behavior): New type.
12072         (get_comdat_behavior): New function.
12073         (relocate_section): Add code to map a discarded section to the
12074         corresponding kept section when applying a relocation.
12075
12076 2008-04-30  Craig Silverstein  <csilvers@google.com>
12077
12078         * dwarf_reader.cc (next_generation_count): New static var.
12079         (Addr2line_cache_entry): New struct.
12080         (addr2line_cache): New static var.
12081         (Dwarf_line_info::one_addr2line): Added caching.
12082         (Dwarf_line_info::clear_addr2line_cache): New function.
12083         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12084         cache-size parameter.
12085         (Dwarf_line_info::one_addr2line_cache): New function.
12086         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12087         new cache-size argument to one_addr2line(), and clear cache.
12088
12089 2008-04-28  Cary Coutant  <ccoutant@google.com>
12090
12091         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12092         R_386_PC8 relocations.
12093
12094 2008-04-23  Ian Lance Taylor  <iant@google.com>
12095
12096         * object.cc (Sized_relobj::include_section_group): Check for
12097         invalid section group.
12098
12099         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12100         header size.
12101
12102         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12103         than read for file header.
12104         * archive.cc (Archive::include_member): Likewise.
12105
12106 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12107
12108         * aclocal.m4: Regenerate.
12109         * configure: Regenerate.
12110
12111 2008-04-19  Ian Lance Taylor  <iant@google.com>
12112
12113         * version.cc (version_string): Bump to 1.6.
12114
12115         * testsuite/Makefile.am (many_sections_r_test): New target.
12116         (many_sections_r_test_SOURCES): Remove.
12117         (many_sections_r_test_DEPENDENCIES): Remove.
12118         (many_sections_r_test_LDFLAGS): Remove.
12119         (many_sections_r_test_LDADD): Remove.
12120
12121         * object.cc (Sized_relobj::do_add_symbols): Always pass
12122         local_symbol_count_ to add_from_relobj.
12123
12124         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12125         every thousand variables.
12126         * testsuite/Makefile.in: Rebuild.
12127
12128         * object.cc (Xindex::initialize_symtab_xindex): New function.
12129         (Xindex::read_symtab_xindex): New function.
12130         (Xindex::sym_xindex_to_shndx): New function.
12131         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12132         available.
12133         (Sized_relobj::do_initialize_xindex): New function.
12134         (Sized_relobj::do_read_symbols): Adjust section links.
12135         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12136         parameter.  Change all callers.
12137         (Sized_relobj::include_section_group): Adjust section links and
12138         symbol section indexes.
12139         (Sized_relobj::do_layout): Adjust section links.
12140         (Sized_relobj::do_count_local_symbols): Adjust section links and
12141         symbol section indexes.
12142         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12143         ordinary and special symbols.
12144         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12145         dynsym_xindex parameters.  Change all callers.  Adjust section
12146         links.  Use SHN_XINDEX when needed.
12147         (Sized_relobj::get_symbol_location_info): Adjust section links.
12148         Don't get fooled by special symbols.
12149         * object.h (class Xindex): Define.
12150         (class Object): Add xindex_ parameter.  Declare virtual functoin
12151         do_initialize_xindex.
12152         (Object::adjust_sym_shndx): New function.
12153         (Object::set_xindex): New protected function.
12154         (class Symbol_value): Add is_ordinary_shndx_ field.
12155         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12156         (Symbol_value::value): Assert ordinary section.
12157         (Symbol_value::initialize_input_to_output_map): Likewise.
12158         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12159         Change all callers.
12160         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12161         all callers.
12162         (class Sized_relobj): Update declarations.
12163         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12164         parameter.  Change all callers.
12165         (Sized_relobj::adjust_shndx): New function.
12166         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12167         field.
12168         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12169         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12170         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12171         (Sized_dynobj::read_dynsym_section): Adjust section links.
12172         (Sized_dynobj::read_dynamic): Likewise.
12173         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12174         section links.
12175         (Sized_dynobj::do_initialize_xindex): New function.
12176         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12177         do_initialize_xindex.
12178         (Sized_dynobj::adjust_shndx): New function.
12179         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12180         dynsym_xindex_ fields.
12181         (Layout::finalize): Add a call to set_section_indexes before
12182         creating the symtab sections.
12183         (Layout::set_section_indexes): Don't do anything if the section
12184         already has a section index.
12185         (Layout::create_symtab_sections): Add shnum parameter.  Change
12186         caller.  Create .symtab_shndx section if needed.
12187         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12188         caller.
12189         (Layout::allocated_output_section_count): New function.
12190         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12191         needed.
12192         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12193         fields.  Update declarations.
12194         (Layout::symtab_xindex): New function.
12195         (Layout::dynsym_xindex): New function.
12196         (class Write_symbols_task): Add layout_ field.
12197         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12198         Change caller.
12199         * output.cc (Output_section_headers::Output_section_headers): Add
12200         shstrtab_section parameter.  Change all callers.
12201         (Output_section_headers::do_sized_write): Store overflow values
12202         for section count and section string table section index in
12203         section header zero.
12204         (Output_file_header::do_sized_write): Check for overflow of
12205         section count and section string table section index.
12206         (Output_symtab_xindex::do_write): New function.
12207         (Output_symtab_xindex::endian_do_write): New function.
12208         * output.h (class Output_section_headers): Add shstrtab_section_.
12209         Update declarations.
12210         (class Output_symtab_xindex): Define.
12211         (Output_section::has_out_shndx): New function.
12212         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12213         field.
12214         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12215         Change all callers.
12216         (Sized_symbol::init): Likewise.
12217         (Symbol::output_section): Check for ordinary symbol.
12218         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12219         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12220         callers.
12221         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12222         Change all callers.  Simplify handling of symbols from sections
12223         not included in the link.
12224         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12225         distinction.
12226         (Weak_alias_sorter::operator()): Assert that symbols are
12227         ordinary.
12228         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12229         distinction.
12230         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12231         parameters.  Change all callers.
12232         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12233         symbol distinction.  Use SHN_XINDEX when needed.
12234         (Symbol_table::write_section_symbol): Add symtab_xindex
12235         parameter.  Change all callers.
12236         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12237         SHN_XINDEX when needed.
12238         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12239         declarations.
12240         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12241         (Symbol::is_defined): Check is_ordinary.
12242         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12243         (Symbol::is_absolute, Symbol::is_common): Likewise.
12244         (class Sized_symbol): Update declarations.
12245         (class Symbol_table): Update declarations.
12246         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12247         parameters.  Change all callers.
12248         (Sized_symbol::override): Likewise.
12249         (Symbol_table::override): Likewise.
12250         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12251         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12252         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12253         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12254         to be in an ordinary section.
12255         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12256         object and is_ordinary parameters.  Change all callers.
12257         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12258         Change all callers.  Don't add undefined or non-ordinary symbols
12259         to reloc_map_.
12260         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12261         Change all callers.
12262         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12263         declarations.
12264         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12265         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12266         (Sized_relobj::relocate_sections): Likewise.
12267         * target-reloc.h (scan_relocs): Adjust section symbol index.
12268         (scan_relocatable_relocs): Likewise.
12269         * i386.cc (Scan::local): Check for ordinary symbols.
12270         * sparc.cc (Scan::local): Likewise.
12271         * x86_64.cc (Scan::local): Likewise.
12272         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12273         to symbol_section_and_value.
12274         * testsuite/many_sections_test.cc: New file.
12275         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12276         (check_PROGRAMS): Add many_sections_test.
12277         (many_sections_test_SOURCES): Define.
12278         (many_sections_test_DEPENDENCIES): Define.
12279         (many_sections_test_LDFLAGS): Define.
12280         (BUILT_SOURCES): Add many_sections_define.h.
12281         (many_sections_define.h): New target.
12282         (BUILT_SOURCES): Add many_sections_check.h.
12283         (many_sections_check.h): New target.
12284         (check_PROGRAMS): Add many_sections_r_test.
12285         (many_sections_r_test_SOURCES): Define.
12286         (many_sections_r_test_DEPENDENCIES): Define.
12287         (many_sections_r_test_LDFLAGS): Define.
12288         (many_sections_r_test_LDADD): Define.
12289         (many_sections_r_test.o): New target.
12290         * testsuite/Makefile.in: Rebuild.
12291
12292 2008-04-17  Cary Coutant  <ccoutant@google.com>
12293
12294         * errors.cc (Errors::info): New function.
12295         (gold_info): New function.
12296         * errors.h (Errors::info): New function.
12297         * gold.h (gold_info): New function.
12298         * object.cc (Input_objects::add_object): Print trace output.
12299         * options.cc (options::parse_set): New function.
12300         (General_options::parse_wrap): Deleted.
12301         (General_options::General_options): Deleted initializer.
12302         * options.h (options::String_set): New typedef.
12303         (options::parse_set): New function.
12304         (DEFINE_set): New macro.
12305         (General_options::wrap): Changed to use DEFINE_set. Changed
12306         callers of any_wrap_symbols and is_wrap_symbol.
12307         (General_options::trace, General_options::trace_symbol):
12308         New options.
12309         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12310         (General_options::wrap_symbols_): Deleted.
12311         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12312
12313 2008-04-17  David S. Miller  <davem@davemloft.net>
12314
12315         * options.cc (General_options::parse_V): New function.
12316         * options.h: Add entries for -V and -Qy.
12317
12318 2008-04-17  Ian Lance Taylor  <iant@google.com>
12319
12320         * common.cc (Symbol_table::allocate_commons): Remove options
12321         parameter.  Change caller.
12322         (Symbol_table::do_allocate_commons): Remove options parameter.
12323         Change caller.  Just call do_allocate_commons_list twice.
12324         (Symbol_table::do_allocate_commons_list): New function, broken out
12325         of do_allocate_commons.
12326         * common.h (class Allocate_commons_task): Remove options_ field.
12327         Update constructor.
12328         * symtab.cc (Symbol_table::Symbol_table): Initialize
12329         tls_commons_.
12330         (Symbol_table::add_from_object): Put TLS common symbols on
12331         tls_commons_ list.
12332         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12333         which are IN_OUTPUT_DATA.
12334         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12335         allocate_commons and do_allocate_commons declarations.  Declare
12336         do_allocate_commons_list.
12337         * gold.cc (queue_middle_tasks): Update creation of
12338         Allocate_commons_task to not pass options.
12339         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12340         (TLS_TEST_C_FLAGS): New variable.
12341         (tls_test_c_pic.o): New target.
12342         (tls_test_shared.so): Link in tls_test_c_pic.o.
12343         (tls_test_c_pic_ie.o): New target.
12344         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12345         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12346         (tls_test_c.o): New target.
12347         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12348         (tls_pic_test_LDADD): Likewise.
12349         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12350         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12351         (tls_test_c_gnu2.o): New target.
12352         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12353         tls_test_c_gnu2.o.
12354         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12355         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12356         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12357         * testsuite/tls_test.cc: Include "config.h".
12358         (t_last): Call t11_last.
12359         * testsuite/tls_test.h (t11, t11_last): Declare.
12360         * testsuite/tls_test_c.c: New file.
12361         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12362         * configure.ac: Check for OpenMP support.
12363         * configure, config.in, Makefile.in: Rebuild.
12364         * testsuite/Makefile.in: Rebuild.
12365
12366 2008-04-16  Cary Coutant  <ccoutant@google.com>
12367
12368         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12369         (Target_i386::tls_base_symbol_defined_): New field.
12370         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12371         (Target_i386::Scan::global): Likewise.
12372         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12373         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12374         (Target_x86_64::tls_base_symbol_defined_): New field.
12375         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12376         (Target_x86_64::Scan::global): Likewise.
12377
12378 2008-04-16  Cary Coutant  <ccoutant@google.com>
12379
12380         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12381         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12382         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12383         building shared libraries.
12384         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12385         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12386         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12387         * testsuite/Makefile.in: Rebuild.
12388         * testsuite/weak_undef.h: New file.
12389         * testsuite/weak_undef_file1.cc: Add extra test cases.
12390         * testsuite/weak_undef_file2.cc: Likewise.
12391         * testsuite/weak_undef_test.cc: Likewise.
12392
12393 2008-04-16  David S. Miller  <davem@davemloft.net>
12394
12395         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12396         Add issued_non_pic_error_ field.  Declare check_non_pic.
12397         (Target_sparc::Scan::check_non_pic): New function.
12398         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12399         (Target_sparc::Scan::global): Likewise.
12400
12401         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12402         * configure: Rebuild.
12403
12404         * options.h (DEFINE_enable): New macro.
12405         (new_dtags): New enable option.
12406         (initfirst, interpose, loadfltr, nodefaultlib,
12407         nodelete, nodlopen, nodump): New -z options.
12408         * layout.cc (Layout:finish_dynamic_section): If new
12409         dtags enabled, emit DT_RUNPATH.  Also, emit a
12410         DT_FLAGS_1 containing any specified -z flags.
12411
12412 2008-04-16  Ian Lance Taylor  <iant@google.com>
12413
12414         * copy-relocs.cc: New file.
12415         * copy-relocs.h: New file.
12416         * reloc.cc: Remove Copy_relocs code.
12417         * reloc.h: Likewise.
12418         * reloc-types.h (struct Reloc_types) [both versions]: Add
12419         get_reloc_addend_noerror.
12420         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12421         variants of add_global which take an addend which must be zero.
12422         * i386.cc: Include "copy-relocs.h".
12423         (class Target_i386): Change type of copy_relocs_ to variable,
12424         update initializer.
12425         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12426         Change all callers.
12427         (Target_i386::do_finalize_sections): Change handling of
12428         copy_relocs_.
12429         * sparc.cc: Include "copy-relocs.h".
12430         (class Target_sparc): Change type of copy_relocs_ to variable,
12431         update initializer.
12432         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12433         Change all callers.
12434         (Target_sparc::do_finalize_sections): Change handling of
12435         copy_relocs_.
12436         * x86_64.cc: Include "copy-relocs.h".
12437         (class Target_x86_64): Change type of copy_relocs_ to variable,
12438         update initializer.
12439         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12440         class.  Change all callers.
12441         (Target_x86_64::do_finalize_sections): Change handling of
12442         copy_relocs_.
12443         * Makefile.am (CCFILES): Add copy-relocs.cc.
12444         (HFILES): Add copy-relocs.h.
12445
12446         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12447
12448         * testsuite/script_test_4.sh: Permit leading zeroes.
12449
12450 2008-04-15  Ian Lance Taylor  <iant@google.com>
12451
12452         * script-sections.cc (Script_sections::create_segments): Use
12453         header_size_adjustment even when there is enough room for the
12454         headers.
12455         * testsuite/script_test_4.sh: New file.
12456         * testsuite/script_test_4.t: New file.
12457         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12458         (check_DATA): Add script_test_4.stdout.
12459         (MOSTLYCLEANFILES): Likewise.
12460         (script_test_4): New target.
12461         (script_test_4.stdout): New target.
12462         * testsuite/Makefile.in: Rebuild.
12463
12464         * sparc.cc: Add definitions for Output_data_plt_sparc class
12465         constants.
12466
12467 2008-04-14  David S. Miller  <davem@davemloft.net>
12468
12469         * sparc.cc: New file.
12470         * Makefile.am (TARGETSOURCES): Add sparc.cc
12471         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12472         * configure.tgt: Document targ_extra_size and
12473         targ_extra_big_endian.  Add entries for sparc-* and
12474         sparc64-*.
12475         * configure.ac: Handle targ_extra_size and
12476         targ_extra_big_endian.
12477         * Makefile.in: Rebuild.
12478         * configure: Likewise.
12479         * po/POTFILES.in: Likewise.
12480         * po/gold.pot: Likewise.
12481
12482 2008-04-14  Ian Lance Taylor  <iant@google.com>
12483
12484         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12485         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12486         in the name/type/flags to section mapping.  Don't call
12487         allocate_output_section.
12488         (Layout::choose_output_section): Change parameter from adjust_name
12489         to is_input_section.  Don't permit input sections after sections
12490         are attached to segments.  Don't call allocate_output_section.
12491         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12492         not write_enable_output_section.
12493         (Layout::make_output_section): Don't push to
12494         unattached_section_list_ nor call attach_to_segment.  Call
12495         attach_section_to_segment if sections are attached.
12496         (Layout::attach_sections_to_segments): New function.
12497         (Layout::attach_section_to_segment): New function.
12498         (Layout::attach_allocated_section_to_segment): Rename from
12499         attach_to_segment.  Remove flags parameter.
12500         (Layout::allocate_output_section): Remove function.
12501         (Layout::write_enable_output_section): Remove function.
12502         * layout.h (class Layout): Update for above changes.  Add new
12503         field sections_are_attached_.
12504         * output.h (Output_section::update_flags_for_input_section): New
12505         function.
12506         * output.cc (Output_section::add_input_section): Call
12507         update_flags_for_input_section.
12508         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12509
12510 2008-04-11  Cary Coutant  <ccoutant@google.com>
12511
12512         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12513         thought unnecessary.
12514         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12515
12516 2008-04-11  Ian Lance Taylor  <iant@google.com>
12517
12518         * output.h (class Output_section_data): Remove inline definition
12519         of set_addralign.
12520         * output.cc (Output_section_data::set_addralign): New function.
12521
12522 2008-04-11  Cary Coutant  <ccoutant@google.com>
12523
12524         Add support for TLS descriptors for i386 and x86_64.
12525         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12526         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12527         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12528         GOT_TYPE_TLS_DESC.
12529         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12530         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12531         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12532         relocations.
12533         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12534         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12535         Fix problem with initial-exec relocations.
12536         (Target_i386::Relocate::relocate_tls): Likewise.
12537         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12538         relaxation.
12539         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12540         support for section-plus-offset dynamic table entries.
12541         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12542         (Output_data_dynamic::Dynamic_entry): Add support for
12543         section-plus-offset dynamic table entries.
12544         (Output_data_dynamic::Classification): Likewise.
12545         (Output_data_dynamic::classification_): Renamed offset_.
12546         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12547         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12548         (Target_x86_64::make_plt_section): New function.
12549         (Target_x86_64::reserve_tlsdesc_entries): New function.
12550         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12551         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12552         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12553         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12554         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12555         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12556         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12557         add extra PLT entry for TLS descriptors.
12558         (Output_data_plt_x86_64::got_): New field.
12559         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12560         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12561         fields.
12562         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12563         descriptors.
12564         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12565         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12566         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12567         R_386_TLS_DESC_CALL relocations.
12568         (Target_x86_64::Scan::global): Likewise.
12569         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12570         for TLS descriptors.
12571         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12572         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12573         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12574         GD-to-IE relaxation.
12575         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12576         and TLS_DESCRIPTORS.
12577         * Makefile.in: Rebuild.
12578         * configure: Rebuild.
12579         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12580         (tls_test_shared2.so): New target.
12581         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12582         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12583         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12584         (tls_shared_gd_to_ie_test_LDADD): New variable.
12585         (tls_shared_gnu2_gd_to_ie_test): New target.
12586         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12587         New targets.
12588         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12589         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12590         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12591         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12592         (tls_shared_gnu2_test): New target.
12593         (tls_test_gnu2_shared.so): New target.
12594         (tls_shared_gnu2_test_SOURCES): New variable.
12595         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12596         (tls_shared_gnu2_test_LDFLAGS): New variable.
12597         (tls_shared_gnu2_test_LDADD): New variable.
12598         * testsuite/Makefile.in: Rebuild.
12599         * testsuite/Makefile.
12600
12601 2008-04-11  Ian Lance Taylor  <iant@google.com>
12602
12603         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12604         justsyms.t.
12605         * testsuite/Makefile.in: Rebuild.
12606
12607         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12608         long.
12609         * testsuite/script_test_2.cc (main): Adjust test.
12610
12611 2008-04-11  David S. Miller  <davem@davemloft.net>
12612             Ian Lance Taylor  <iant@google.com>
12613
12614         * options.h (General_options): Add entries for '-Y' and
12615         '-relax'.
12616         * options.cc (General_options:finalize): If -Y was used, add those
12617         entries to the library path instead of the default "/lib" and
12618         "/usr/lib".
12619
12620 2008-04-11  David S. Miller  <davem@davemloft.net>
12621
12622         * testsuite/justsyms.t: Start at 0x100.
12623         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12624         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12625         long.
12626         * testsuite/script_test_2.cc: Adjust string and section length
12627         checks.
12628
12629 2008-04-09  Ian Lance Taylor  <iant@google.com>
12630
12631         PR gold/5996
12632         * script-sections.cc (Sections_element::allocate_to_segment): Add
12633         orphan parameter.
12634         (Output_section_definition::allocate_to_segment): Likewise.
12635         (Orphan_output_section::allocate_to_segment): Likewise.
12636         (Script_sections::attach_sections_using_phdrs_clause): Don't
12637         propagate non-PT_LOAD segments to orphan sections.
12638         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12639         readelf rather than objdump.
12640         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12641         .interp section and PT_INTERP segment are the same size.
12642         * testsuite/Makefile.in: Rebuild.
12643
12644         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12645         aliases for symbols defined in the same object.
12646         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12647         (weak_alias_test_SOURCES): New variable.
12648         (weak_alias_test_DEPENDENCIES): New variable.
12649         (weak_alias_test_LDFLAGS): New variable.
12650         (weak_alias_test_LDADD): New variable.
12651         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12652         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12653         (weak_alias_test_3.o): New target.
12654         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12655         * testsuite/weak_alias_test_main.cc: New file.
12656         * testsuite/weak_alias_test_1.cc: New file.
12657         * testsuite/weak_alias_test_2.cc: New file.
12658         * testsuite/weak_alias_test_3.cc: New file.
12659
12660 2008-04-08  Ian Lance Taylor  <iant@google.com>
12661
12662         * options.h (class General_options): Add --noinhibit-exec option.
12663         * main.cc (main): Check --noinhibit-exec.
12664
12665         * options.h (class General_options): Define --wrap as a special
12666         option.  Add wrap_symbols_ field.
12667         (General_options::any_wrap_symbols): New function.
12668         (General_options::is_wrap_symbol): New function.
12669         * options.cc (General_options::parse_wrap): New function.
12670         (General_options::General_options): Initialize wrap_symbols_.
12671         * symtab.cc (Symbol_table::wrap_symbol): New function.
12672         (Symbol_table::add_from_object): Handle --wrap.
12673         * symtab.h (class Symbol_table): Declare wrap_symbol.
12674         * target.h (Target::wrap_char): New function.
12675         (Target::Target_info): Add wrap_char field.
12676         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12677         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12678         * testsuite/testfile.cc (Target_test::test_target_info):
12679         Likewise.
12680
12681         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12682         there is one.
12683
12684         * layout.h (class Layout): Add added_eh_frame_data_ field.
12685         * layout.cc (Layout::Layout): Initialize new field.
12686         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12687         output section until we find a section we merged successfully.
12688         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12689         that the size be non-zero.
12690
12691         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12692         qualifier.
12693
12694 2008-04-08  Craig Silverstein  <csilvers@google.com>
12695
12696         * configure.ac: Export new conditional variable HAVE_ZLIB.
12697         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12698         on HAVE_ZLIB.
12699         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12700         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12701
12702 2008-04-07  Ian Lance Taylor  <iant@google.com>
12703
12704         * version.cc (version_string): Set to "1.5".
12705
12706         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12707         Add issued_non_pic_error_ field.  Declare check_non_pic.
12708         (Target_x86_64::Scan::check_non_pic): New function.
12709         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12710         (Target_x86_64::Scan::global): Likewise.
12711
12712         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12713         addend parameter.  Change caller.  Handle merge sections.
12714         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12715         Address to Addend.  Don't add in the result of
12716         local_section_offset, pass down the addend and use the returned
12717         value.
12718         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12719         Update declarations of local_section_offset and symbol_value.
12720         * testsuite/two_file_test_1.cc (t18): New function.
12721         * testsuite/two_file_test_2.cc (f18): New function.
12722         * testsuite/two_file_test_main.cc (main): Call t18.
12723         * testsuite/two_file_test.h (t18, f18): Declare.
12724
12725         * configure.ac: Don't test for objdump, c++filt, or readelf.
12726         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12727         conditionals.
12728         (TEST_READELF): New variable.
12729         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12730         (check_PROGRAMS): Add two_file_strip_test.
12731         (two_file_strip_test): New target.
12732         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12733         (two_file_same_shared_strip_test_SOURCES): New variable.
12734         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12735         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12736         (two_file_same_shared_strip_test_LDADD): New variable.
12737         (two_file_shared_strip.so): New target.
12738         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12739         (ver_test_5.syms, ver_test_7.syms): Likewise.
12740         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12741         (strip_test_3.stdout): Use TEST_OBJDUMP.
12742         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12743
12744 2008-04-04  Cary Coutant  <ccoutant@google.com>
12745
12746         * symtab.h (Symbol::is_weak_undefined): New function.
12747         (Symbol::is_strong_undefined): New function.
12748         (Symbol::is_absolute): New function.
12749         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12750         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12751         absolute symbols.
12752         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12753         (weak_undef_test): New target.
12754         * testsuite/Makefile.in: Rebuild.
12755         * testsuite/weak_undef_file1.cc: New file.
12756         * testsuite/weak_undef_file2.cc: New file.
12757         * testsuite/weak_undef_test.cc: New file.
12758
12759 2008-04-03  Craig Silverstein  <csilvers@google.com>
12760
12761         * compressed_output.h (class Output_compressed_section): Use
12762         unsigned buffer.
12763         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12764         add zlib header.
12765         (zlib_compressed_suffix): Removed.
12766         (Output_compressed_section::set_final_data_size): Use unsigned
12767         buffers.
12768         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12769         Fix linker invocation.
12770         (flagstest_o_specialfile_and_compress_debug_sections):
12771         Likewise.
12772         * testsuite/Makefile.in: Regenerated.
12773
12774 2008-04-02  David S. Miller  <davem@davemloft.net>
12775
12776         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12777         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12778
12779 2008-04-02  Craig Silverstein  <csilvers@google.com>
12780
12781         * TODO: New file.
12782
12783 2008-04-02  Ian Lance Taylor  <iant@google.com>
12784
12785         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12786         parameters.  Update for new key type to views_.  Change all
12787         callers.
12788         (File_read::read): Adjust for byteshift in returned view.
12789         (File_read::add_view): New function, broken out of
12790         find_and_make_view.
12791         (File_read::make_view): New function, broken out of
12792         find_and_make_view.
12793         (File_read::find_or_make_view): Add offset and aligned
12794         parameters.  Rewrite accordingly.  Change all callers.
12795         (File_read::get_view): Add offset and aligned parameters.  Adjust
12796         for byteshift in return value.
12797         (File_read::get_lasting_view): Likewise.
12798         * fileread.h (class File_read): Update declarations.
12799         (class File_read::View): Add byteshift_ field.  Add byteshift to
12800         constructor.  Add byteshift method.
12801         * archive.h (Archive::clear_uncached_views): New function.
12802         (Archive::get_view): Add aligned parameter.  Change all callers.
12803         * object.h (Object::get_view): Add aligned parameter.  Change all
12804         callers.
12805         (Object::get_lasting_view): Likewise.
12806
12807         * fileread.cc (File_read::release): Don't call clear_views if
12808         there are multiple objects.
12809         * fileread.h (File_read::clear_uncached_views): New function.
12810         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12811         on the archive.
12812
12813 2008-03-31  Cary Coutant  <ccoutant@google.com>
12814
12815         Add thin archive support.
12816         * archive.cc (Archive::armagt): New const.
12817         (Archive::setup): Remove task parameter and calls to unlock.
12818         (Archive::unlock_nested_archives): New function.
12819         (Archive::read_header): Add nested_off parameter. Change
12820         all callers.
12821         (Archive::interpret_header): Likewise.
12822         (Archive::include_all_members): Change to handle thin
12823         archives.
12824         (Archive::include_member): Likewise.
12825         * archive.h (Archive::Archive): Add new parameters and
12826         initializers.
12827         (Archive::armagt): New const.
12828         (Archive::setup): Remove task parameter.
12829         (Archive::unlock_nested_archives): New function.
12830         (Archive::read_header): Add nested_off parameter.
12831         (Archive::interpret_header): Likewise.
12832         (Archive::Nested_archive_table): New typedef.
12833         (Archive::is_thin_archive_): New field.
12834         (Archive::nested_archives_): New field.
12835         (Archive::options_): New field.
12836         (Archive::dirpath_): New field.
12837         (Archive::task_): New field.
12838         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12839         for thin archives.  Pass additional parameters to
12840         Archive::Archive.  Unlock the archive file after calling
12841         Archive::setup.
12842
12843 2008-03-29  Ian Lance Taylor  <iant@google.com>
12844
12845         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12846         version symbol to be local.
12847         * testsuite/ver_test_4.sh: New file.
12848         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12849         (check_DATA): Add ver_test_4.syms.
12850         (ver_test_4.syms): New target.
12851         * testsuite/Makefile.in: Rebuild.
12852
12853         * output.cc
12854         (Output_section::Input_section_sort_entry::has_priority): New
12855         function.
12856         (Output_section::Input_section_sort_entry::match_file_name): New
12857         function.
12858         (Output_section::Input_section_sort_entry::match_section_name):
12859         Remove.
12860         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12861         Remove.
12862         (Output_section::Input_section_sort_entry::match_section_file):
12863         Remove.
12864         (Output_section::Input_section_sort_compare::operator()): Rewrite
12865         using new Input_section_sort_entry functions.  Sort crtbegin and
12866         crtend first.  Sort sections with no priority before sections with
12867         a priority.
12868         * testsuite/initpri1.c (d3): Check j != 4.
12869         (cd5): New constructor/destructor function.
12870         (main): Check j != 2.
12871
12872         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12873         new symbol when resolving, don't call set_is_default.
12874         * testsuite/ver_test_7.cc: New file.
12875         * testsuite/ver_test_7.sh: New file.
12876         * testsuite/Makefile.am (ver_test_7.so): New target.
12877         (ver_test_7.o): New target.
12878         (check_SCRIPTS): Add ver_test_7.sh.
12879         (check_DATA): Add ver_test_7.syms.
12880         (ver_test_7.syms): New target.
12881
12882 2008-03-28  Ian Lance Taylor  <iant@google.com>
12883
12884         * layout.cc (Layout::layout): If we see an input section with a
12885         name that needs sorting, set the must_sort flag for the output
12886         section.
12887         (Layout::make_output_section): If the name of the output section
12888         indicates that it might require sorting, set the may_sort flag.
12889         * output.h (Output_section::may_sort_attached_input_sections): New
12890         function.
12891         (Output_section::set_may_sort_attached_input_sections): New
12892         function.
12893         (Output_section::must_sort_attached_input_sections): New
12894         function.
12895         (Output_section::set_must_sort_attached_input_sections): New
12896         function.
12897         (class Output_section): Declare Input_section_sort_entry.  Define
12898         Input_section_sort_compare.  Declare
12899         sort_attached_input_sections.  Add new fields:
12900         may_sort_attached_input_sections_,
12901         must_sort_attached_input_sections_,
12902         attached_input_sections_are_sorted_.
12903         * output.cc (Output_section::Output_section): Initialize new
12904         fields.
12905         (Output_section::add_input_section): Add an entry to
12906         input_sections_ if may_sort or must_sort are true.
12907         (Output_section::set_final_data_size): Call
12908         sort_attached_input_sections if necessary.
12909         (Output_section::Input_section_sort_entry): Define new class.
12910         (Output_section::Input_section_sort_compare::operator()): New
12911         function.
12912         (Output_section::sort_attached_input_sections): New function.
12913         * configure.ac: Check whether the compiler supports constructor
12914         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12915         * testsuite/initpri1.c: New file.
12916         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12917         CONSTRUCTOR_PRIORITY.
12918         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12919         (initpri1_LDFLAGS): New variable.
12920         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12921
12922 2008-03-27  Ian Lance Taylor  <iant@google.com>
12923
12924         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12925         * testsuite/common_test_1.c: New file.
12926         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12927         (common_test_1_SOURCES): New variable.
12928         (common_test_1_DEPENDENCIES): New variable.
12929         (common_test_1_LDFLAGS): New variable.
12930
12931         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12932         and commons_ correctly when NAME/VERSION does not override
12933         NAME/NULL.
12934         * testsuite/ver_test_6.c: New file.
12935         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12936         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12937         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12938
12939 2008-03-26  Ian Lance Taylor  <iant@google.com>
12940
12941         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12942         of an undefined symbol from a version script.
12943         * testsuite/Makefile.am (ver_test_5.so): New target.
12944         (ver_test_5.o): New target.
12945         (check_SCRIPTS): Add ver_test_5.sh.
12946         (check_DATA): Add ver_test_5.syms.
12947         (ver_test_5.syms): New target.
12948         * testsuite/ver_test_5.cc: New file.
12949         * testsuite/ver_test_5.script: New file.
12950         * testsuite/ver_test_5.sh: New file.
12951         * Makefile.in, testsuite/Makefile.in: Rebuild.
12952
12953         PR gold/5986
12954         Fix problems building gold with gcc 4.3.0.
12955         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12956         (gold_error_at_location, gold_warning_at_location): Use it.
12957         * configure.ac: Check whether we can compile and use a template
12958         function with a printf attribute.
12959         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12960         when jumping over bytes.
12961         * object.cc: Instantiate Object::read_section_data.
12962         * debug.h: Include <cstring>
12963         * dwarf_reader.cc: Include <algorithm>
12964         * main.cc: Include <cstring>.
12965         * options.cc: Include <cstring>.
12966         * output.cc: Include <cstring>.
12967         * script.cc: Include <cstring>.
12968         * script.h: Include <string>.
12969         * symtab.cc: Include <cstring> and <algorithm>.
12970         * target-select.cc: Include <cstring>.
12971         * version.cc: Include <string>.
12972         * testsuite/testmain.cc: Include <cstdlib>.
12973         * configure, config.in: Rebuild.
12974
12975 2008-03-25  Ian Lance Taylor  <iant@google.com>
12976
12977         * options.cc: Include "../bfd/bfdver.h".
12978         (options::help): Print bug reporting address.
12979
12980         * version.cc (print_version): Adjust output for current value of
12981         BFD_VERSION_STRING.
12982
12983         * NEWS: New file.
12984
12985         * options.cc (options::help): Print list of supported targets.
12986         * target-select.h: Include <vector>.
12987         (class Target_selector): Make machine_, size_, and is_big_endian_
12988         fields const.  Add bfd_name_ and instantiated_target_ fields.
12989         (Target_selector::Target_selector): Add bfd_name parameter.
12990         (Target_selector::recognize): Make non-virtual, call
12991         do_recognize.
12992         (Target_selector::recognize_by_name): Make non-virtual, call
12993         do_recognize_by_name.
12994         (Target_selector::supported_names): New function.
12995         (Target_selector::bfd_name): New function.
12996         (Target_selector::do_instantiate_target): New pure virtual
12997         function.
12998         (Target_selector::do_recognize): New virtual function.
12999         (Target_selector::do_recognize_by_name): New virtual function.
13000         (Target_selector::instantiate_target): New private function.
13001         (supported_target_names): Declare.
13002         * target-select.cc (Target_selector::Target_selector): Update for
13003         new parameter and fields.
13004         (select_target_by_name): Check that the name matches before
13005         calling recognize_by_name.
13006         (supported_target_names): New function.
13007         * i386.cc (class Target_selector_i386): Update Target_selector
13008         constructor call.  Remove recognize and recognize_by_name.  Add
13009         do_instantiate_target.
13010         * x86_64.cc (class Target_selector_x86_64): Likewise.
13011         * testsuite/testfile.cc (class Target_selector_test): Update for
13012         changes to Target_selector.
13013
13014         * README: Rewrite, with some notes on unsupported features.
13015
13016 2008-03-24  Cary Coutant  <ccoutant@google.com>
13017
13018         * i386.cc (Target_i386::Got_type): New enum declaration.
13019         (Target_i386::Scan::local): Updated callers of Output_data_got
13020         member functions.
13021         (Target_i386::Scan::global): Likewise.
13022         (Target_i386::Relocate::relocate): Likewise.
13023         (Target_i386::Relocate::relocate_tls): Likewise.
13024         * object.h (Got_offset_list): New class.
13025         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13026         (Sized_relobj::local_got_offset): Likewise.
13027         (Sized_relobj::set_local_got_offset): Likewise.
13028         (Sized_relobj::local_has_tls_got_offset): Removed.
13029         (Sized_relobj::local_tls_got_offset): Removed.
13030         (Sized_relobj::set_local_tls_got_offset): Removed.
13031         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13032         * output.cc (Output_data_got::add_global): Added got_type parameter.
13033         (Output_data_got::add_global_with_rel): Likewise.
13034         (Output_data_got::add_global_with_rela): Likewise.
13035         (Output_data_got::add_global_pair_with_rel): New function.
13036         (Output_data_got::add_global_pair_with_rela): New function.
13037         (Output_data_got::add_local): Added got_type parameter.
13038         (Output_data_got::add_local_with_rel): Likewise.
13039         (Output_data_got::add_local_with_rela): Likewise.
13040         (Output_data_got::add_local_pair_with_rel): New function.
13041         (Output_data_got::add_local_pair_with_rela): New function.
13042         (Output_data_got::add_global_tls): Removed.
13043         (Output_data_got::add_global_tls_with_rel): Removed.
13044         (Output_data_got::add_global_tls_with_rela): Removed.
13045         (Output_data_got::add_local_tls): Removed.
13046         (Output_data_got::add_local_tls_with_rel): Removed.
13047         (Output_data_got::add_local_tls_with_rela): Removed.
13048         * output.h (Output_data_got::add_global): Added got_type parameter.
13049         (Output_data_got::add_global_with_rel): Likewise.
13050         (Output_data_got::add_global_with_rela): Likewise.
13051         (Output_data_got::add_global_pair_with_rel): New function.
13052         (Output_data_got::add_global_pair_with_rela): New function.
13053         (Output_data_got::add_local): Added got_type parameter.
13054         (Output_data_got::add_local_with_rel): Likewise.
13055         (Output_data_got::add_local_with_rela): Likewise.
13056         (Output_data_got::add_local_pair_with_rel): New function.
13057         (Output_data_got::add_local_pair_with_rela): New function.
13058         (Output_data_got::add_global_tls): Removed.
13059         (Output_data_got::add_global_tls_with_rel): Removed.
13060         (Output_data_got::add_global_tls_with_rela): Removed.
13061         (Output_data_got::add_local_tls): Removed.
13062         (Output_data_got::add_local_tls_with_rel): Removed.
13063         (Output_data_got::add_local_tls_with_rela): Removed.
13064         * resolve.cc (Symbol::override_base_with_special): Removed
13065         reference to has_got_offset_ field.
13066         * symtab.cc (Symbol::init_fields): Replaced initialization
13067         of got_offset_ with got_offsets_.  Removed initialization
13068         of has_got_offset_
13069         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13070         (Symbol::got_offset): Likewise.
13071         (Symbol::set_got_offset): Likewise.
13072         (Symbol::has_tls_got_offset): Removed.
13073         (Symbol::tls_got_offset): Removed.
13074         (Symbol::set_tls_got_offset): Removed.
13075         (Symbol::got_offset_): Removed.
13076         (Symbol::tls_mod_got_offset_): Removed.
13077         (Symbol::tls_pair_got_offset_): Removed.
13078         (Symbol::got_offsets_): New field.
13079         (Symbol::has_got_offset): Removed.
13080         (Symbol::has_tls_mod_got_offset): Removed.
13081         (Symbol::has_tls_pair_got_offset): Removed.
13082         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13083         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13084         member functions.
13085         (Target_x86_64::Scan::global): Likewise.
13086         (Target_x86_64::Relocate::relocate): Likewise.
13087         (Target_x86_64::Relocate::relocate_tls): Likewise.
13088
13089 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13090
13091         * yyscript.y: Fix spelling error in comment.
13092
13093 2008-03-24  Ian Lance Taylor  <iant@google.com>
13094
13095         * options.h (class General_options): Define build_id option.
13096         * layout.h (class Layout): Declare write_build_id, create_note,
13097         create_build_id.  Add build_id_note_ member.
13098         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13099         "libiberty.h", "md5.h", "sha1.h".
13100         (Layout::Layout): Initialize eh_frame_data_,
13101         eh_frame_hdr_section_, and build_id_note_.
13102         (Layout::finalize): Call create_build_id.
13103         (Layout::create_note): New function, broken out of
13104         Layout::create_gold_note.
13105         (Layout::create_gold_note): Call create_note.
13106         (Layout::create_build_id): New function.
13107         (Layout::write_build_id): New function.
13108         (Close_task_runner::run): Call write_build_id.
13109
13110         * x86_64.cc: Correct license to GPLv3.
13111
13112 2008-03-23  Ian Lance Taylor  <iant@google.com>
13113
13114         * options.cc: Include "demangle.h".
13115         (parse_optional_string): New function.
13116         (parse_long_option): Handle takes_optional_argument.
13117         (parse_short_option): Update dash_z initializer.  Handle
13118         takes_optional_argument.
13119         (General_options::General_options): Initialize do_demangle_.
13120         (General_options::finalize): Set do_demangle_.  Handle demangling
13121         style.
13122         * options.h (parse_optional_string): Declare.
13123         (struct One_option): Add optional_arg field.  Update constructor.
13124         Update call constructor calls.  Add takes_optional_argument
13125         function.
13126         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13127         (DEFINE_optional_string): Define.
13128         (General_options::demangle): Change from DEFINE_bool to
13129         DEFINE_optional_string.
13130         (General_options::no_demangle): New function.
13131         (General_options::do_demangle): New function.
13132         (General_options::set_do_demangle): New function.
13133         (General_options::execstack_status_): Move definition to end of
13134         class definition.
13135         (General_options::static_): Likewise.
13136         (General_options::do_demangle_): New field.
13137         * object.cc (big_endian>::get_symbol_location_info): Call
13138         Options::do_demangle, not Options::demangle.
13139         * symtab.cc (demangle): Likewise.
13140
13141 2008-03-22  Ian Lance Taylor  <iant@google.com>
13142
13143         * gold.h: Include <cstddef> and <sys/types.h>
13144         * options.h: Include <cstring>.
13145
13146 2008-03-21  Ian Lance Taylor  <iant@google.com>
13147
13148         * Added source code to GNU binutils.