gold/ChangeLog

   1 2012-06-04  Cary Coutant  <ccoutant@google.com>
   2
   3         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
   4         has_dynsym_index.
   5
   6 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
   7
   8         * symtab.cc (Symbol_table::define_special_symbol):
   9         Initialize *poldsym to prevent uninitialized variable errors.
  10
  11 2012-05-23  Cary Coutant  <ccoutant@google.com>
  12
  13         * layout.cc (Layout::section_name_mapping): Add rules to handle
  14         exact match on .data.rel.ro.local or .data.rel.ro.
  15         (Layout::output_section_name): Check for exact matches.
  16
  17 2012-05-23  Cary Coutant  <ccoutant@google.com>
  18
  19         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
  20         more carefully.
  21
  22 2012-05-22  Cary Coutant  <ccoutant@google.com>
  23
  24         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
  25         object before exporting symbol.
  26
  27 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
  28
  29         * testsuite/tls_test.cc: Include "config.h" first.
  30         * testsuite/tls_test_c.c: Likewise.
  31
  32 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
  33             Nick Clifton  <nickc@redhat.com>
  34
  35         PR 14072
  36         * configure.in: Add check that sysdep.h has been included before
  37         any system header files.
  38         * configure: Regenerate.
  39         * config.in: Regenerate.
  40
  41 2012-05-14  Cary Coutant  <ccoutant@google.com>
  42
  43         * layout.cc (Layout::make_output_section): Mark .tdata section
  44         as RELRO.
  45         * testsuite/relro_test.cc: Add a TLS variable.
  46
  47 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
  48
  49         PR gold/14091
  50         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
  51         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
  52         R_X86_64_64.
  53
  54 2012-05-08  Cary Coutant  <ccoutant@google.com>
  55
  56         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
  57         (lines_only_debug_sections): Likewise.
  58
  59 2012-05-02  Roland McGrath  <mcgrathr@google.com>
  60
  61         * nacl.cc: New file.
  62         * nacl.h: New file.
  63         * Makefile.am (CCFILES, HFILES): Add them.
  64         * Makefile.in: Regenerate.
  65         * i386.cc (Output_data_plt_i386_nacl): New class.
  66         (Output_data_plt_i386_nacl_exec): New class.
  67         (Output_data_plt_i386_nacl_dyn): New class.
  68         (Target_i386_nacl): New class.
  69         (Target_selector_i386_nacl): New class.
  70         (target_selector_i386): Use it instead of Target_selector_i386.
  71         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
  72         (Target_x86_64_nacl): New class.
  73         (Target_selector_x86_64_nacl): New class.
  74         (target_selector_x86_64, target_selector_x32): Use it instead of
  75         Target_selector_x86_64.
  76         * arm.cc (Output_data_plt_arm_nacl): New class.
  77         (Target_arm_nacl): New class.
  78         (Target_selector_arm_nacl): New class.
  79         (target_selector_arm, target_selector_armbe): Use it instead of
  80         Target_selector_arm.
  81
  82         * target-select.cc (select_target): Take new Input_file* and off_t
  83         arguments, pass them on to recognize method of selector.
  84         * object.cc (make_elf_sized_object): Update caller.
  85         * parameters.cc (parameters_force_valid_target): Likewise.
  86         * incremental.cc (make_sized_incremental_binary): Likewise.
  87         * target-select.h: Update decl.
  88         (Target_selector::recognize): Take new Input_file* argument,
  89         pass it on to do_recognize.
  90         (Target_selector::do_recognize): Take new Input_file* argument.
  91         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
  92         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
  93         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
  94         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
  95
  96         * target.h (Target::Target_info): New members isolate_execinstr
  97         and rosegment_gap.
  98         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
  99         * arm.cc (Target_arm::arm_info): Update initializer.
 100         * i386.cc (Target_i386::i386_info): Likewise.
 101         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
 102         * sparc.cc (Target_sparc::sparc_info): Likewise.
 103         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 104         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 105         * layout.cc (Layout::attach_allocated_section_to_segment):
 106         Take new const Target* argument.  If target->isolate_execinstr(), act
 107         like --rosegment.
 108         (Layout::find_first_load_seg): Take new const Target* argument;
 109         if target->isolate_execinstr(), reject PF_X segments.
 110         (Layout::relaxation_loop_body): Update caller.
 111         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 112         reset file offset to zero when we hit LOAD_SEG, and then do a second
 113         loop over the segments before LOAD_SEG to reassign offsets after
 114         addresses have been determined.  Handle target->rosegment_gap().
 115         (Layout::attach_section_to_segment): Take new const Target* argument;
 116         pass it to attach_allocated_section_to_segment.
 117         (Layout::make_output_section): Update caller.
 118         (Layout::attach_sections_to_segments): Take new const Target* argument;
 119         pass it to attach_section_to_segment.
 120         * gold.cc (queue_middle_tasks): Update caller.
 121         * layout.h (Layout): Update method decls with new arguments.
 122
 123         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 124         Target_info pointer to use.
 125         (Target_arm::do_make_data_plt): New virtual method.
 126         (Target_arm::make_data_plt): New method that calls it.
 127         (Target_arm::make_plt_entry): Use it.
 128         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 129         for the section alignment.
 130         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 131         method.
 132         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 133         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 134         method.
 135         (Output_data_plt_arm::get_plt_entry_size): Call it.
 136         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 137         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 138         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 139         method.
 140         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 141         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 142         method instead of sizeof(plt_entry).
 143         (Output_data_plt_arm::add_entry): Likewise.
 144         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 145         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 146         than static method.
 147         (Target_arm::plt_entry_size): Likewise.
 148         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 149         Move to ...
 150         (Output_data_plt_arm_standard): ... here, new class.
 151         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 152         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 153         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 154
 155         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 156         Take additional argument for the PLT entry size.
 157         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 158         Use get_plt_entry_size method rather than plt_entry_size variable.
 159         (Output_data_plt_x86_64::reserve_slot): Likewise.
 160         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 161         (Output_data_plt_x86_64::add_entry): Likewise.
 162         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 163         (Output_data_plt_x86_64::address_for_global): Likewise.
 164         (Output_data_plt_x86_64::address_for_local): Likewise.
 165         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 166         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 167         Make method non-static.
 168         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 169         method.
 170         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 171         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 172         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 173         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 174         virtual method.
 175         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 176         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 177         virtual method.
 178         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 179         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 180         virtual method.
 181         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 182         (Output_data_plt_x86_64::plt_entry_size)
 183         (Output_data_plt_x86_64::first_plt_entry)
 184         (Output_data_plt_x86_64::plt_entry)
 185         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 186         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 187         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 188         (Output_data_plt_x86_64_standard): ... here, new class.
 189         (Target_x86_64::Target_x86_64): Take optional argument for the
 190         Target_info pointer to use.
 191         (Target_x86_64::do_make_data_plt): New virtual method.
 192         (Target_x86_64::make_data_plt): New method to call it.
 193         (Target_x86_64::init_got_plt_for_update): Use that.
 194         Call this->plt_->add_eh_frame method here.
 195         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 196         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 197         rather than static method.
 198         (Target_x86_64::plt_entry_size): Likewise.
 199         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 200         rather than plt_entry_size variable.  Move guts of PLT filling to...
 201         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 202         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 203         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 204
 205         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 206         additional argument for the section alignment.
 207         Don't do add_eh_frame_for_plt here.
 208         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 209         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 210         variable.
 211         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 212         method.
 213         (Output_data_plt_i386::get_plt_entry_size): Call it.
 214         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 215         (Output_data_plt_i386::add_eh_frame): New method to call it.
 216         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 217         method.
 218         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 219         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 220         method.
 221         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 222         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 223         method instead of plt_entry_size.
 224         (Output_data_plt_i386::plt_entry_size)
 225         (Output_data_plt_i386::plt_eh_frame_fde_size)
 226         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 227         (Output_data_plt_i386_standard): ... here, new class.
 228         (Output_data_plt_i386_exec): New class.
 229         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 230         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 231         (Output_data_plt_i386::exec_plt_entry): Move to ...
 232         (Output_data_plt_i386_exec::plt_entry): ... here.
 233         (Output_data_plt_i386_dyn): New class.
 234         (Output_data_plt_i386::first_plt_entry): Move to ...
 235         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 236         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 237         (Output_data_plt_i386_dyn::plt_entry): ... here.
 238         (Target_i386::Target_i386): Take optional argument for the Target_info
 239         pointer to use.
 240         (Target_i386::do_make_data_plt): New virtual method.
 241         (Target_i386::make_data_plt): New method to call it.
 242         (Target_i386::make_plt_section): Use that.
 243         Call this->plt_->add_eh_frame method here.
 244         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 245         rather than plt_entry_size variable.
 246         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 247         (Output_data_plt_i386::address_for_local): Likewise.
 248         (Output_data_plt_i386::do_write): Likewise.
 249         Move guts of PLT filling to...
 250         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 251         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 252         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 253         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 254
 255 2012-05-01  Cary Coutant  <ccoutant@google.com>
 256
 257         * dwarf_reader.cc (Dwarf_die::read_attributes)
 258         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 259         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 260         * reduced_debug_output.cc
 261         (Output_reduced_debug_info_section::get_die_end): Remove
 262         DW_FORM_GNU_ref_index.  Add default case.
 263
 264 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 265
 266         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 267         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 268         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 269         DW_AT_high_pc as offset from DW_AT_low_pc.
 270
 271         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 272         * testsuite/Makefile.in: Regenerate.
 273         * testsuite/gdb_index_test_3.c: New test source file.
 274         * testsuite/gdb_index_test_3.sh: New test source file.
 275
 276 2012-04-25  Ian Lance Taylor  <iant@google.com>
 277
 278         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 279         pointer.
 280         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 281         as a class, not a struct.
 282         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 283         (Target_arm::apply_cortex_a8_workaround): Likewise.
 284         * gc.h: Declare Reloc_types as a struct, not a class.
 285         * object.h: Declare Symbols_data as a struct.
 286         * reloc.h: Declare Read_relocs_data as a struct.
 287         * target.h: Declare Relocate_info as a struct.
 288
 289 2012-04-24  David S. Miller  <davem@davemloft.net>
 290
 291         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 292         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 293         and R_SPARC_WPLT30.
 294
 295 2012-04-24  Cary Coutant  <ccoutant@google.com>
 296
 297         * incremental-dump.cc (find_input_containing_global): Replace
 298         magic number with symbolic constant.
 299         (dump_incremental_inputs): Update version number.
 300         * incremental.cc (Output_section_incremental_inputs): Update version
 301         number; import symbolic constants from Incremental_inputs_reader.
 302         (Incremental_inputs::create_data_sections): Align relocations
 303         section correctly for 64-bit targets.
 304         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 305         constants; add padding.
 306         (Output_section_incremental_inputs::write_header): Add assert for
 307         header_size.
 308         (Output_section_incremental_inputs::write_input_files): Add assert
 309         for input_entry_size.
 310         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 311         add assert for object_info_size, input_section_entry_size,
 312         global_sym_entry_size.
 313         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 314         for data structure sizes; use them.
 315         (Incremental_input_entry_reader): Import symbolic constants from
 316         Incremental_inputs_reader; use them.
 317
 318 2012-04-23  David S. Miller  <davem@davemloft.net>
 319
 320         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 321         and elf_flags_set_.
 322         (Target_sparc::Target_sparc): Initialize new fields.
 323         (Target_sparc::do_make_elf_object): New function.
 324         (Target_sparc::do_adjust_elf_header): New function.
 325
 326 2012-04-23  Cary Coutant  <ccoutant@google.com>
 327
 328         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 329         CU range table of gdb index.
 330
 331 2012-04-20  David S. Miller  <davem@davemloft.net>
 332
 333         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 334         instead of false.
 335
 336 2012-04-16  David S. Miller  <davem@davemloft.net>
 337
 338         * sparc.cc (Target_sparc::got_address): New function.
 339         (Sparc_relocate_functions::gdop_hix22): New function.
 340         (Sparc_relocate_functions::gdop_lox10): New function.
 341         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 342         relocs.
 343         (Target_sparc::Scan::local): Likewise if the global symbol is not
 344         preemptible and is not IFUNC.
 345         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 346         transformations for local and non-preemptible non-IFUNC global
 347         symbols.
 348
 349         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 350         writing out 64-bit part of ranges.
 351
 352         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 353         -fpic and -fpie respectively.
 354         * Makefile.in: Regenerate.
 355
 356         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 357         (Target_sparc::Target_sparc): Initialize new field.
 358         (Target_sparc::do_plt_section_for_global): New function.
 359         (Target_sparc::do_plt_section_for_local): New function.
 360         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 361         (Target_sparc::make_plt_section): New function, broken out of
 362         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 363         (Target_sparc::make_plt_entry): Call make_plt_section.
 364         (Target_sparc::make_local_ifunc_plt_entry): New function.
 365         (Target_sparc::rela_ifunc_section): New function.
 366         (Target_sparc::plt_section): Remove const.
 367         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 368         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 369         and ifunc_count_ fields.
 370         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 371         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 372         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 373         (Output_data_plt_sparc::rela_ifunc): New function.
 374         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 375         (Output_data_plt_sparc::has_ifunc_section): New function.
 376         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 377         (Output_data_plt_sparc::address_for_global): New function.
 378         (Output_data_plt_sparc::address_for_local): New function.
 379         (Output_data_plt_sparc::plt_index_to_offset): New function.
 380         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 381         and entry_count.
 382         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 383         entry_count.
 384         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 385         R_SPARC_JMP_IREL to switch.
 386         (Target_sparc::Scan::check_non_pic): Likewise.
 387         (Target_sparc::Scan::local): Handle IFUNC symbols.
 388         (Target_sparc::Scan::local): Likewise.
 389         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 390         and plt_address_for_local.
 391         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 392         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 393
 394         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 395         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 396         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 397         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 398         global relocs too.
 399         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 400         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 401         calls.
 402         * sparc.cc (Target_sparc::Scan::global): Likewise.
 403         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 404
 405 2012-04-16  Cary Coutant  <ccoutant@google.com>
 406
 407         * archive.cc (Library_base::should_include_member): Check for
 408         --export-dynamic-symbol.
 409         * options.h (class General_options): Add --export-dynamic-symbol.
 410         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 411         --export-dynamic-symbol.
 412         (Symbol_table::gc_mark_undef_symbols): Likewise.
 413         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 414
 415 2012-04-12  David S. Miller  <davem@davemloft.net>
 416
 417         * sparc.cc (Reloc::wdisp10): New relocation method.
 418         (Reloc::h34): Likewise.
 419         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 420         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 421         R_SPARC_WDISP10.
 422         (Target_sparc::Scan::local): Likewise.
 423         (Target_sparc::Scan::global): Likewise.
 424         (Target_sparc::Relocate::relocate): Likewise.
 425
 426 2012-04-09  Cary Coutant  <ccoutant@google.com>
 427
 428         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 429         low_pc == 0.
 430
 431 2012-04-06  Ian Lance Taylor  <iant@google.com>
 432
 433         * timer.cc: #include <unistd.h>.
 434
 435 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 436
 437         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 438         * config.in: Regenerate.
 439         * configure: Regenerate.
 440
 441 2012-04-05  Nick Clifton  <nickc@redhat.com>
 442
 443         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 444         (AM_LC_MESSAGES): Add.
 445         * aclocal.m4: Regenerate.
 446         * config.in: Regenerate.
 447         * configure: Regenerate.
 448
 449 2012-03-21  Cary Coutant  <ccoutant@google.com>
 450
 451         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 452         * Makefile.in: Regenerate.
 453         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 454         (Sized_elf_reloc_mapper::symbol_section): New function.
 455         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 456         (make_elf_reloc_mapper): New function.
 457         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 458         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 459         (Dwarf_abbrev_table::do_get_abbrev): New function.
 460         (Dwarf_ranges_table::read_ranges_table): New function.
 461         (Dwarf_ranges_table::read_range_list): New function.
 462         (Dwarf_pubnames_table::read_section): New function.
 463         (Dwarf_pubnames_table::read_header): New function.
 464         (Dwarf_pubnames_table::next_name): New function.
 465         (Dwarf_die::Dwarf_die): New function.
 466         (Dwarf_die::read_attributes): New function.
 467         (Dwarf_die::skip_attributes): New function.
 468         (Dwarf_die::set_name): New function.
 469         (Dwarf_die::set_linkage_name): New function.
 470         (Dwarf_die::attribute): New function.
 471         (Dwarf_die::string_attribute): New function.
 472         (Dwarf_die::int_attribute): New function.
 473         (Dwarf_die::uint_attribute): New function.
 474         (Dwarf_die::ref_attribute): New function.
 475         (Dwarf_die::child_offset): New function.
 476         (Dwarf_die::sibling_offset): New function.
 477         (Dwarf_info_reader::check_buffer): New function.
 478         (Dwarf_info_reader::parse): New function.
 479         (Dwarf_info_reader::do_parse): New function.
 480         (Dwarf_info_reader::do_read_string_table): New function.
 481         (Dwarf_info_reader::lookup_reloc): New function.
 482         (Dwarf_info_reader::get_string): New function.
 483         (Dwarf_info_reader::visit_compilation_unit): New function.
 484         (Dwarf_info_reader::visit_type_unit): New function.
 485         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 486         Sized_elf_reloc_mapper.
 487         (Sized_dwarf_line_info::symbol_section): Remove function.
 488         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 489         (Sized_dwarf_line_info::read_line_mappings): Remove object
 490         parameter, adjust callers.
 491         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 492         * dwarf_reader.h: Include <sys/types.h>.
 493         (class Track_relocs): Remove forward declaration.
 494         (class Elf_reloc_mapper): New class.
 495         (class Sized_elf_reloc_mapper): New class.
 496         (class Dwarf_abbrev_table): New class.
 497         (class Dwarf_range_list): New class.
 498         (class Dwarf_ranges_table): New class.
 499         (class Dwarf_pubnames_table): New class.
 500         (class Dwarf_die): New class.
 501         (class Dwarf_info_reader): New class.
 502         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 503         (Sized_dwarf_line_info::symbol_section): Remove member function.
 504         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 505         base class.
 506         * gdb-index.cc: New source file.
 507         * gdb-index.h: New source file.
 508         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 509         and .debug_types sections, call Layout::add_to_gdb_index.
 510         (Sized_relobj_incr::do_section_name): Implement.
 511         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 512         return type; Implement.
 513         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 514         return type.
 515         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 516         parameter list and return type.
 517         (Sized_incr_dynobj::do_section_contents): Likewise.
 518         * layout.cc: Include gdb-index.h.
 519         (Layout::Layout): Initialize gdb_index_data_.
 520         (Layout::init_fixed_output_section): Check for .gdb_index section.
 521         (Layout::add_to_gdb_index): New function. Instantiate.
 522         * layout.h: Add forward declaration for class Gdb_index.
 523         (Layout::add_to_gdb_index): New member function.
 524         (Layout::gdb_index_data_): New data member.
 525         * main.cc: Include gdb-index.h.
 526         (main): Print statistics for gdb index.
 527         * object.cc (Object::section_contents): Move code into
 528         do_section_contents.
 529         (need_decompressed_section): Check for sections needed when building
 530         gdb index.
 531         (build_compressed_section_map): Likewise.
 532         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 533         gdb index.
 534         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 535         sections; call Layout::add_to_gdb_index.
 536         (Sized_relobj_file::do_decompressed_section_contents): Call
 537         do_section_contents directly.
 538         * object.h (Object::do_section_contents): Adjust parameter list and
 539         return type.
 540         (Object::do_decompressed_section_contents): Call do_section_contents
 541         directly.
 542         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 543         return type.
 544         * options.h (class General_options): Add --gdb-index option.
 545         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 546         list and return type.
 547         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 548         * reloc.h (Track_relocs::checkpoint): New function.
 549         (Track_relocs::reset): New function.
 550
 551         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 552         New test cases.
 553         * testsuite/Makefile.in: Regenerate.
 554         * testsuite/gdb_index_test.cc: New test source file.
 555         * testsuite/gdb_index_test_1.sh: New test source file.
 556         * testsuite/gdb_index_test_2.sh: New test source file.
 557
 558 2012-03-19  Doug Kwan  <dougkwan@google.com>
 559
 560         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 561         (Target_arm::do_finalize_sections): Remove code which defines
 562         __exidx_start and __exidx_end.  Make symbol table parameter
 563         anonymous as it is not used.
 564         * gold.cc (queue_middle_tasks): Call target hook to define any
 565         target-specific symbols.
 566         * target.h (Target::define_standard_symbols): New method.
 567         (Target::do_define_standard_symbols): Same.
 568         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 569         * testsuite/Makefile.in: Regenerate.
 570         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 571         and __exidx_end.
 572         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 573         relocations are generated for __exidx_start and __exidx_end.
 574
 575 2012-03-16  Doug Kwan  <dougkwan@google.com>
 576
 577         * testsuite/Makefile.am: Disable test initpri3b.
 578         * testsuite/Makefile.in: Regenerate.
 579
 580 2012-03-15  Doug Kwan  <dougkwan@google.com>
 581
 582         * arm.cc (Target_arm::got_section): Make .got section read-only
 583         if -z now is given.
 584
 585 2012-03-15  Ian Lance Taylor  <iant@google.com>
 586
 587         PR gold/13850
 588         * layout.cc (Layout::make_output_section): Correctly mark
 589         SHT_INIT_ARRAY, et. al., as relro.
 590
 591 2012-03-14  Doug Kwan  <dougkwan@google.com>
 592
 593         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 594         dynamic relocations for protected symbols in shared objects.
 595
 596 2012-03-13  Ian Lance Taylor  <iant@google.com>
 597
 598         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 599         keep the larger alignment.
 600
 601 2012-03-12  Cary Coutant  <ccoutant@google.com>
 602
 603         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 604         handling of DW_LNE_define_file.
 605
 606 2012-03-12  Cary Coutant  <ccoutant@google.com>
 607
 608         * reduced_debug_output.cc
 609         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 610         codes to switch.
 611
 612 2012-02-29  Cary Coutant  <ccoutant@google.com>
 613
 614         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 615
 616 2012-02-29  Cary Coutant  <ccoutant@google.com>
 617
 618         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 619         Call Object::decompressed_section_contents.
 620         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 621         New dtor.
 622         (Sized_dwarf_line_info::buffer_start_): New data member.
 623         * merge.cc (Output_merge_data::do_add_input_section): Call
 624         Object::decompressed_section_contents.
 625         (Output_merge_string::do_add_input_section): Likewise.
 626         * object.cc (need_decompressed_section): New function.
 627         (build_compressed_section_map): Decompress sections needed later.
 628         (Sized_relobj_file::do_decompressed_section_contents): New function.
 629         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 630         * object.h (Object::decompressed_section_contents): New function.
 631         (Object::discard_decompressed_sections): New function.
 632         (Object::do_decompressed_section_contents): New function.
 633         (Object::do_discard_decompressed_sections): New function.
 634         (Compressed_section_info): New type.
 635         (Compressed_section_map): Include decompressed section contents.
 636         (Sized_relobj_file::do_decompressed_section_contents): New function.
 637         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 638
 639 2012-02-16  Cary Coutant  <ccoutant@google.com>
 640
 641         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 642         * testsuite/Makefile.in: Regenerate.
 643
 644 2012-02-14  Cary Coutant  <ccoutant@google.com>
 645
 646         * options.cc (General_options::finalize): Disallow -pie and -static.
 647
 648 2012-02-03  Doug Kwan  <dougkwan@google.com>
 649
 650         * arm.cc (Arm_relocate_functions::abs8,
 651         Arm_relocate_functions::abs16): Use
 652         Bits::has_signed_unsigned_overflow32.
 653         (Arm_relocate_functions::thm_abs8): Correct range of
 654         overflow check.
 655         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 656         in assertions.
 657
 658 2012-02-02  Doug Kwan  <dougkwan@google.com>
 659
 660         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 661         position independent outputs, not just shared objects.
 662
 663 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 664
 665         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 666         * configure: Regenerated.
 667
 668 2012-01-27  Ian Lance Taylor  <iant@google.com>
 669
 670         * reloc.h (Bits): New class with static functions, copied from
 671         namespace utils in arm.cc.
 672         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 673         instead.
 674
 675 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 676
 677         * incremental.cc (write_info_blocks): Correct relocation offset.
 678
 679 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 680
 681         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 682         (Relocate::tls_gd_to_le): Likewise.
 683
 684 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 685
 686         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 687
 688 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 689
 690         * configure.ac: Check if -mcmodel=medium works.
 691         * configure: Regenerated.
 692
 693 2012-01-24  Cary Coutant  <ccoutant@google.com>
 694
 695         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 696         definition and ...
 697         (read_unsigned_LEB_128_x): ... this new function.
 698         (read_signed_LEB_128): Replaced with inline definition and ...
 699         (read_signed_LEB_128_x): ... this new function.
 700         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 701         (read_unsigned_LEB_128): Add inline definition.
 702         (read_signed_LEB_128_x): New function.
 703         (read_signed_LEB_128): Add inline definition.
 704         * testsuite/Makefile.am (leb128_unittest): New unit test.
 705         * testsuite/Makefile.in: Regenerate.
 706         * testsuite/leb128_unittest.cc: New unit test.
 707
 708 2012-01-23  Ian Lance Taylor  <iant@google.com>
 709
 710         PR gold/13617
 711         * i386.cc (Target_i386::do_code_fill): When using a jmp
 712         instruction, pad with nop instructions.
 713         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 714
 715 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 716
 717         * x86_64.cc (gc_process_relocs): Add typename on types used in
 718         template.
 719         (scan_relocs): Likewise.
 720         (relocate_section): Likewise.
 721         (apply_relocation): Likewise.
 722
 723 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 724
 725         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 726         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 727         under x32.
 728
 729 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 730
 731         * x86_64.cc: Initial support for x32.
 732
 733 2012-01-03  Cary Coutant  <ccoutant@google.com>
 734
 735         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 736         Use abstract base class for GOT.
 737         * gold/output.h (class Output_data_got_base): New abstract base class.
 738         (class Output_data_got): Derive from new base class, adjust ctors.
 739         (Output_data_got::reserve_slot): Make virtual; rename to
 740         do_reserve_slot; Adjust callers.
 741         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 742         pointer to abstract base class.
 743         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 744
 745 2011-12-18  Ian Lance Taylor  <iant@google.com>
 746
 747         * object.h (Relobj::local_symbol_value): New function.
 748         (Relobj::local_plt_offset): New function.
 749         (Relobj::local_has_got_offset): New function.
 750         (Relobj::local_got_offset): New function.
 751         (Relobj::set_local_got_offset): New function.
 752         (Relobj::do_local_symbol_value): New pure virtual function.
 753         (Relobj::do_local_plt_offset): Likewise.
 754         (Relobj::do_local_has_got_offset): Likewise.
 755         (Relobj::do_local_got_offset): Likewise.
 756         (Relobj::do_set_local_got_offset): Likewise.
 757         (Sized_relobj::do_local_has_got_offset): Rename from
 758         local_has_got_offset.
 759         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 760         (Sized_relobj::do_set_local_got_offset): Rename from
 761         set_local_got_offset.
 762         (Sized_relobj_file::do_local_plt_offset): Rename from
 763         local_plt_offset.
 764         (Sized_relobj_file::do_local_symbol_value): New function.
 765         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 766         local_plt_offset.
 767         * output.cc (Output_data_got::Got_entry::write): Change object to
 768         Relobj.  Use local_symbol_value.
 769         (Output_data_got::add_global_with_rel): Change rel_dyn to
 770         Output_data_reloc_generic*.  Use add_global_generic.
 771         (Output_data_got::add_global_with_rela): Remove.  Change all
 772         callers to use add_global_with_rel.
 773         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 774         Output_data_reloc_generic*.  Use add_global_generic.
 775         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 776         callers to use add_global_pair_with_rel.
 777         (Output_data_got::add_local): Change object to Relobj*.
 778         (Output_data_got::add_local_plt): Likewise.
 779         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 780         change rel_dyn to Output_data_reloc_generic*.  Use
 781         add_local_generic.
 782         (Output_data_got::add_local_with_rela): Remove.  Change all
 783         callers to use all_local_with_rel.
 784         (Output_data_got::add_local_pair_with_rel): Change object to
 785         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 786         add_output_section_generic.
 787         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 788         callers to use add_local_pair_with_rel.
 789         (Output_data_got::reserve_local): Change object to Relobj*.
 790         * output.h: (class Output_data_reloc_generic): Add pure virtual
 791         declarations for add_global_generic, add_local_generic,
 792         add_output_section_generic.
 793         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 794         functions for Output_data_reloc_generic.  Update declarations for
 795         changes listed in output.cc.
 796         (class Output_data_got): Change template parameter to got_size.
 797         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 798         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 799         function.
 800         (Sized_relobj_incr::do_local_plt_offset): New function.
 801         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 802         add_global_generic.
 803
 804 2011-12-17  Cary Coutant  <ccoutant@google.com>
 805
 806         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 807         * resolve.cc (Symbol_table::resolve): Likewise.
 808         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 809         arrays.
 810         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 811
 812 2011-12-16  Ian Lance Taylor  <iant@google.com>
 813
 814         * output.h (Output_data_reloc_generic::add): Only call
 815         add_dynamic_reloc if this is a dynamic reloc section.
 816
 817 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 818
 819         PR gold/13505
 820         * target-reloc.h (apply_relocation): Replace <64, false> with
 821         <size, big_endian>.
 822
 823 2011-11-25  Nick Clifton  <nickc@redhat.com>
 824
 825         * po/it.po: New Italian translation.
 826
 827 2011-11-17  Sterling Augustine  <saugustine@google.com>
 828
 829         * script.cc (script_include_directive): Implement.
 830         (read_script_file): New local variables name and search_path. Update
 831         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 832         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 833         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 834
 835 2011-11-11  Sterling Augustine  <saugustine@google.com>
 836
 837         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 838         (file_or_sections_cmd): Likewise.
 839
 840 2011-11-11  Doug Kwan  <dougkwan@google.com>
 841
 842         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 843         if --just-symbols is given.
 844
 845 2011-11-10  Doug Kwan  <dougkwan@google.com>
 846
 847         PR gold/13362
 848         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 849         when processing data relocs.
 850         * reloc.h (Relocate_functions::rel_unaligned): New method.
 851         (Relocate_functions::pcrel_unaligned): Ditto.
 852         (Relocate_functions::rel32_unaligned): Ditto.
 853         (Relocate_functions::pcrel32_unaligned): Ditto.
 854
 855 2011-11-09  Doug Kwan  <dougkwan@google.com>
 856
 857         PR gold/13362
 858         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 859         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 860         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 861         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 862         (Relocate_functions::rel_unaligned): New.
 863         (Relocate_functions::rel32_unaligned): New.
 864         * target-reloc.h (relocate_for_relocatable): Add code to handle
 865         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 866         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 867         arm_unaligned_reloc_r): New targets.
 868         * testsuite/Makefile.in: Regenerate.
 869         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 870         linking.
 871
 872 2011-11-02  Ian Lance Taylor  <iant@google.com>
 873
 874         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 875         NATIVE_LINKER.
 876         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 877         * options.cc (General_options::finalize): Use library search path
 878         from configure script if specified.  If not native and no sysroot,
 879         only search TOOLLIBDIR.
 880         * options.h (Search_directory::Search_directory): Change name to
 881         const std::string&.
 882         (General_options::add_to_library_path_with_sysroot): Change arg to
 883         const std::string&.
 884         * configure, Makefile.in, config.in: Rebuild.
 885
 886 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 887
 888         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 889         we are working around the ARM1176 Erratum.
 890         * options.h (General_options::fix_arm1176): Add option.
 891         * testsuite/Makefile.am: Add testcases, and keep current ones
 892         working.
 893         * testsuite/Makefile.in: Regenerate.
 894         * testsuite/arm_fix_1176.s: New file.
 895         * testsuite/arm_fix_1176.sh: Likewise.
 896
 897 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 898
 899         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 900         may_use_blx_.
 901         (Target_arm::may_use_blx): Remove method.
 902         (Target_arm::set_may_use_blx): Likewise.
 903         (Target_arm::may_use_v4t_interworking): New method.
 904         (Target_arm::may_use_v5t_interworking): Likewise.
 905         (Target_arm::may_use_blx_): Remove member variable.
 906         (Arm_relocate_functions::arm_branch_common): Check for v5T
 907         interworking.
 908         (Arm_relocate_functions::thumb_branch_common): Likewise.
 909         (Reloc_stub::stub_type_for_reloc): Likewise.
 910         (Target_arm::do_finalize_sections): Correct interworking checks.
 911         * testsuite/Makefile.am: Add new tests.
 912         * testsuite/Makefile.in: Regenerate.
 913         * testsuite/arm_farcall_arm_arm.s: New test.
 914         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 915         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 916         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 917         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 918         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 919         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 920         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 921
 922 2011-10-31  Cary Coutant  <ccoutant@google.com>
 923
 924         PR gold/13023
 925         * expression.cc (Expression::eval_with_dot): Add
 926         is_section_dot_assignment parameter.
 927         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 928         absolute and assigning to dot within a section.
 929         * script-sections.cc
 930         (Output_section_element_assignment::set_section_addresses): Pass
 931         dot_section to set_if_absolute.
 932         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 933         as is_section_dot_assignment flag to eval_with_dot.
 934         (Output_section_element_dot_assignment::set_section_addresses):
 935         Likewise.
 936         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 937         parameter.  Also set value if relative to dot_section; set the
 938         symbol's output_section.
 939         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 940         parameter.  Adjust all callers.
 941         (Expression::eval_maybe_dot): Likewise.
 942         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 943         Adjust all callers.
 944         * testsuite/script_test_2.t: Test assignment of an absolute value
 945         to dot within an output section element.
 946
 947 2011-10-31  Cary Coutant  <ccoutant@google.com>
 948
 949         * options.h (class General_options): Add --[no-]gnu-unique options.
 950         * symtab.cc (Symbol_table::sized_write_globals): Convert
 951         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 952
 953 2011-10-31  Cary Coutant  <ccoutant@google.com>
 954
 955         PR gold/13359
 956         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 957         unnecessary assertion.
 958         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 959
 960 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 961
 962         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 963         gc_mark_symbol.
 964         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 965         gc_mark_symbol.
 966         Change to just keep the section associated with symbol.
 967         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 968         they are externally visible and --export-dynamic is turned on.
 969         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 970
 971 2011-10-19  Ian Lance Taylor  <iant@google.com>
 972
 973         PR gold/13163
 974         * script-sections.cc
 975         (Output_section_element_dot_assignment::needs_output_section): New
 976         function.
 977
 978 2011-10-19  Ian Lance Taylor  <iant@google.com>
 979
 980         PR gold/13204
 981         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 982         --section-start option was seen.
 983         * options.h (General_options::any_section_start): New function.
 984
 985 2011-10-18  David S. Miller  <davem@davemloft.net>
 986
 987         PR binutils/13301
 988         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 989         member to track relocation locations that have moved during TLS
 990         reloc optimizations.
 991         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 992         (Target_sparc::Relocate::relocate): Adjust view down by 4
 993         bytes if it matches reloc_adjust_addr_.
 994         (Target_sparc::Relocate::relocate_tls): Always move the
 995         __tls_get_addr call delay slot instruction forward 4 bytes when
 996         performing relaxation.
 997
 998 2011-10-18  Cary Coutant  <ccoutant@google.com>
 999
1000         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1001         (Output_file::map_no_anonymous): Check for non-zero
1002         return code from posix_fallocate.
1003
1004 2011-10-17  Cary Coutant  <ccoutant@google.com>
1005
1006         PR gold/13245
1007         * plugin.cc (is_visible_from_outside): Check for symbols
1008         referenced from dynamic objects.
1009         * resolve.cc (Symbol_table::resolve): Don't count references
1010         from dynamic objects as references from real ELF files.
1011         * testsuite/plugin_test_2.sh: Adjust expected result.
1012
1013 2011-10-17  Cary Coutant  <ccoutant@google.com>
1014
1015         * gold.cc: Include timer.h.
1016         (queue_middle_tasks): Stamp time.
1017         (queue_final_tasks): Likewise.
1018         * main.cc (main): Store timer in parameters.  Print timers
1019         for each pass.
1020         * parameters.cc (Parameters::Parameters): Initialize timer_.
1021         (Parameters::set_timer): New function.
1022         (set_parameters_timer): New function.
1023         * parameters.h (Parameters::set_timer): New function.
1024         (Parameters::timer): New function.
1025         (Parameters::timer_): New data member.
1026         (set_parameters_timer): New function.
1027         * timer.cc (Timer::stamp): New function.
1028         (Timer::get_pass_time): New function.
1029         * timer.h (Timer::stamp): New function.
1030         (Timer::get_pass_time): New function.
1031         (Timer::pass_times_): New data member.
1032
1033 2011-10-17  Cary Coutant  <ccoutant@google.com>
1034
1035         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1036         task for members of lib groups.
1037
1038 2011-10-17  Cary Coutant  <ccoutant@google.com>
1039
1040         PR gold/13288
1041         * fileread.cc (File_read::find_view): Add assert.
1042         (File_read::make_view): Move bounds check (replace with assert)...
1043         (File_read::find_or_make_view): ... to here.
1044
1045 2011-10-12  Cary Coutant  <ccoutant@google.com>
1046
1047         * output.cc (Output_file::open_base_file): Handle case where
1048         ::read returns less than requested size.
1049
1050 2011-10-10  Cary Coutant  <ccoutant@google.com>
1051
1052         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1053         Initialize defined_count_.
1054         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1055         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1056         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1057         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1058         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1059         * incremental.h (Sized_relobj_incr::defined_count_): New data
1060         member.
1061         (Sized_incr_dynobj::defined_count_): New data member.
1062         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1063         Return zeroes instead of internal error.
1064
1065 2011-10-10  Cary Coutant  <ccoutant@google.com>
1066
1067         PR gold/13249
1068         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1069         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1070         * output.h (class Output_reloc): Add use_plt_offset flag.
1071         (Output_reloc::type_): Adjust size of bit field.
1072         (Output_reloc::use_plt_offset_): New bit field.
1073         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1074         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1075         flag.  Adjust all callers.
1076         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1077         creating RELATIVE relocations.
1078
1079 2011-10-10  Nick Clifton  <nickc@redhat.com>
1080
1081         * po/es.po: Updated Spanish translation.
1082         * po/fi.po: Updated Finnish translation.
1083
1084 2011-10-03   Diego Novillo  <dnovillo@google.com>
1085
1086         * options.cc (parse_uint): Fix dereference of RETVAL.
1087
1088 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1089
1090         * layout.h (section_order_map_): New member.
1091         (get_section_order_map): New member function.
1092         * output.cc (Output_section::add_input_section): Check for patterns
1093         only when --section-ordering-file is specified.
1094         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1095         output_sections have been formed.
1096         * layout.cc (Layout_Layout): Initialize section_order_map_.
1097         * plugin.cc (update_section_order): Store order in order_map. Do not
1098         update the order.
1099         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1100         * testsuite/Makefile.in: Regenerate.
1101         * testsuite/plugin_section_order.c: New file.
1102         * testsuite/plugin_final_layout.cc: New file.
1103         * testsuite/plugin_final_layout.sh: New file.
1104
1105 2011-09-29  Cary Coutant  <ccoutant@google.com>
1106
1107         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1108         Check for NULL.
1109         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1110         symbols during incremental update.
1111         (Symbol_table::add_from_dynobj): Likewise.
1112
1113 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1114             Ian Lance Taylor  <iant@google.com>
1115
1116         * symtab.cc (Symbol_table::define_special_symbol): Always
1117         canonicalize version string.
1118
1119 2011-09-26  Cary Coutant  <ccoutant@google.com>
1120
1121         * gold.cc (queue_initial_tasks): Move option checks ...
1122         * options.cc (General_options::finalize): ... to here. Disable
1123         some options; make others fatal.
1124
1125 2011-09-26  Cary Coutant  <ccoutant@google.com>
1126
1127         gcc PR lto/47247
1128         * plugin.cc (get_symbols_v2): New function.
1129         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1130         (is_referenced_from_outside): New function.
1131         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1132         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1133         (get_symbols): Pass version parameter.
1134         (get_symbols_v2): New function.
1135         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1136         parameter.
1137         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1138         (onload): Add LDPT_GET_SYMBOLS_V2.
1139         (all_symbols_read_hook): Use get_symbols_v2; check for
1140         LDPR_PREVAILING_DEF_IRONLY_EXP.
1141         * testsuite/plugin_test_3.sh: Update expected results.
1142
1143 2011-09-23  Simon Baldwin  <simonb@google.com>
1144
1145         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1146         configuration options.
1147         * configure: Regenerate.
1148         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1149         * Makefile.in: Regenerate.
1150         * testsuite/Makefile.in: Regenerate.
1151
1152 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1153
1154         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1155
1156 2011-09-19  Cary Coutant  <ccoutant@google.com>
1157
1158         * incremental.cc (can_incremental_update): Fix typo in comment.
1159         * incremental.h (can_incremental_update): Likewise.
1160
1161 2011-09-18  Cary Coutant  <ccoutant@google.com>
1162
1163         * incremental.cc (can_incremental_update): New function.
1164         * incremental.h (can_incremental_update): New function.
1165         * layout.cc (Layout::init_fixed_output_section): Call it.
1166         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1167         * object.cc (Sized_relobj_file::do_layout): Call
1168         can_incremental_update.
1169
1170 2011-09-13  Cary Coutant  <ccoutant@google.com>
1171
1172         * configure.ac: Check for glibc support for gnu_indirect_function
1173         support with static linking, setting automake conditional
1174         IFUNC_STATIC.
1175         * Makefile.in: Regenerate.
1176         * configure: Regenerate.
1177
1178         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1179         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1180         for IFUNC_STATIC.
1181         * testsuite/Makefile.in: Regenerate.
1182
1183 2011-09-13  Cary Coutant  <ccoutant@google.com>
1184
1185         * incremental.cc (Sized_relobj_incr::do_layout): Call
1186         report_comdat_group for kept comdat sections.
1187         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1188         * testsuite/Makefile.in: Regenerate.
1189         * testsuite/incr_comdat_test_1.cc: New source file.
1190         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1191         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1192         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1193
1194 2011-09-13  Ian Lance Taylor  <iant@google.com>
1195
1196         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1197         variable external_symbols_offset.
1198
1199 2011-09-12  Ian Lance Taylor  <iant@google.com>
1200
1201         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1202         triggered if object has no symbols.
1203
1204 2011-09-09  David S. Miller  <davem@davemloft.net>
1205
1206         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1207         (Output_fill_debug_line::do_write): Likewise.
1208
1209 2011-08-29  Cary Coutant  <ccoutant@google.com>
1210
1211         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1212         casts to match formatting specs.
1213         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1214
1215 2011-08-26  Cary Coutant  <ccoutant@google.com>
1216
1217         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1218         remaining hole size when allocating.
1219         (Layout::make_output_section): Set fill methods for debug sections.
1220         * layout.h (Free_list::Free_list_node): Move from private to
1221         public.
1222         (Free_list::set_min_hole_size): New function.
1223         (Free_list::begin, Free_list::end): New functions.
1224         (Free_list::min_hole_): New data member.
1225         * output.cc: Include dwarf.h.
1226         (Output_fill_debug_info::do_minimum_hole_size): New function.
1227         (Output_fill_debug_info::do_write): New function.
1228         (Output_fill_debug_line::do_minimum_hole_size): New function.
1229         (Output_fill_debug_line::do_write): New function.
1230         (Output_section::Output_section): Initialize new data member.
1231         (Output_section::set_final_data_size): Ensure patch space is larger
1232         than minimum hole size.
1233         (Output_section::do_write): Fill holes in debug sections.
1234         * output.h (Output_fill): New class.
1235         (Output_fill_debug_info): New class.
1236         (Output_fill_debug_line): New class.
1237         (Output_section::set_free_space_fill): New function.
1238         (Output_section::free_space_fill_): New data member.
1239         * testsuite/Makefile.am (incremental_test_3): Add
1240         --incremental-patch option.
1241         (incremental_test_4): Likewise.
1242         (incremental_test_5): Likewise.
1243         (incremental_test_6): Likewise.
1244         (incremental_copy_test): Likewise.
1245         (incremental_common_test_1): Likewise.
1246         * testsuite/Makefile.in: Regenerate.
1247
1248 2011-08-26  Nick Clifton  <nickc@redhat.com>
1249
1250         * po/es.po: Updated Spanish translation.
1251
1252 2011-08-01  Cary Coutant  <ccoutant@google.com>
1253
1254         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1255         * gold/testsuite/Makefile.in: Regenerate.
1256         * gold/testsuite/justsyms_exec.c: New source file.
1257         * gold/testsuite/justsyms_lib.c: New source file.
1258
1259 2011-08-01  Cary Coutant  <ccoutant@google.com>
1260
1261         * layout.cc (Layout::set_segment_offsets): Don't realign text
1262         segment if -Ttext was specified.
1263         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1264         file type.
1265         * object.h (Sized_relobj_file::e_type): New function.
1266         (Sized_relobj_file::e_type_): New data member.
1267         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1268         base address for ET_EXEC files.
1269         * target.cc (Target::do_make_elf_object_implementation): Allow
1270         ET_EXEC files with --just-symbols option.
1271
1272 2011-07-28  Cary Coutant  <ccoutant@google.com>
1273
1274         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1275         Add thread_number parameter.
1276         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1277         * workqueue-threads.cc
1278         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1279         current thread if its thread number is greater than desired thread
1280         count.
1281         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1282         Add thread_number parameter.
1283         (Workqueue::should_cancel_thread): Likewise.
1284         (Workqueue::find_runnable_or_wait): Pass thread_number to
1285         should_cancel_thread.
1286         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1287         parameter.
1288
1289 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1290
1291         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1292         only after checking if it cannot be forced local.
1293         * symtab.h (is_externally_visible): Check if the symbol is not forced
1294         local.
1295
1296 2011-07-15  Ian Lance Taylor  <iant@google.com>
1297
1298         * options.h (class General_options): Add --print-output-format.
1299         Move -EL next to -EB, for  better --help output.
1300         * target-select.cc: Include <cstdio>, "options.h", and
1301         "parameters.h".
1302         (Target_selector::do_target_bfd_name): New function.
1303         (print_output_format): New function.
1304         * target-select.h (class Target_selector): Update declarations.
1305         (Target_selector::target_bfd_name): New function.
1306         (print_output_format): Declare.
1307         * main.cc: Include "target-select.h".
1308         (main): Handle --print-output-format.
1309         * gold.cc: Include "target-select.h".
1310         (queue_initial_tasks): Handle --print-output-format when there are
1311         no input files.
1312         * parameters.cc (parameters_force_valid_target): Give a better
1313         error message if -EB/-EL does not match target.
1314         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1315         function.
1316
1317 2011-07-15  Ian Lance Taylor  <iant@google.com>
1318
1319         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1320         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1321         (Output_data_plt_i386::do_write): Write address of .dynamic
1322         section to first entry in .got.plt section.
1323         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1324         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1325         Initialize layout_.
1326         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1327         section to first entry in .got.plt section.
1328         * layout.h (Layout::dynamic_section): New function.
1329
1330 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1331
1332         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1333         to claim_file call.
1334         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1335         input_section_position_, and input_section_glob_.
1336         (read_layout_from_file): Call function section_ordering_specified.
1337         * layout.h (is_section_ordering_specified): New function.
1338         (section_ordering_specified): New function.
1339         (section_ordering_specified_): New boolean member.
1340         * main.cc(main): Call load_plugins after layout object is defined.
1341         * output.cc (Output_section::add_input_section): Use
1342         function section_ordering_specified to check if section ordering is
1343         needed.
1344         * output.cc (Output_section::add_relaxed_input_section): Use
1345         function section_ordering_specified to check if section ordering is
1346         needed.
1347         (Output_section::update_section_layout): New function.
1348         (Output_section::sort_attached_input_sections): Check if input section
1349         must be reordered.
1350         * output.h (Output_section::update_section_layout): New function.
1351         * plugin.cc (get_section_count): New function.
1352         (get_section_type): New function.
1353         (get_section_name): New function.
1354         (get_section_contents): New function.
1355         (update_section_order): New function.
1356         (allow_section_ordering): New function.
1357         (Plugin::load): Add the new interfaces to the transfer vector.
1358         (Plugin_manager::load_plugins): New parameter.
1359         (Plugin_manager::all_symbols_read): New parameter.
1360         (Plugin_manager::claim_file): New parameter. Save the elf object for
1361         unclaimed objects.
1362         (Plugin_manager::get_elf_object): New function.
1363         (Plugin_manager::get_view): Change to directly use the bool to check
1364         if get_view is called from claim_file_hook.
1365         * plugin.h (input_objects): New function
1366         (Plugin__manager::load_plugins): New parameter.
1367         (Plugin_manager::claim_file): New parameter.
1368         (Plugin_manager::get_elf_object): New function.
1369         (Plugin_manager::in_claim_file_handler): New function.
1370         (Plugin_manager::in_claim_file_handler_): New member.
1371         (layout): New function.
1372         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1373         handler with an extra parameter. Make the elf object before calling
1374         claim_file handler.
1375         * testsuite/plugin_test.c (get_section_count): New function pointer.
1376         (get_section_type): New function pointer.
1377         (get_section_name): New function pointer.
1378         (get_section_contents): New function pointer.
1379         (update_section_order): New function pointer.
1380         (allow_section_ordering): New function pointer.
1381         (onload): Check if the new interfaces exist.
1382
1383 2011-07-13  Ian Lance Taylor  <iant@google.com>
1384
1385         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1386         relro section.
1387         * x86_64.cc (Target_x86_64::got_section): Likewise.
1388         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1389         (relro_now_test_SOURCES): New variable.
1390         (relro_now_test_DEPENDENCIES): New variable.
1391         (relro_now_test_LDFLAGS): New variable.
1392         (relro_now_test_LDADD): New variable.
1393         (relro_now_test.so): New target.
1394         * testsuite/Makefile.in: Rebuild.
1395
1396 2011-07-12  Ian Lance Taylor  <iant@google.com>
1397
1398         PR gold/12980
1399         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1400         GLOB_DAT relocation rather than a RELATIVE relocation for a
1401         protected symbol when creating a shared library.
1402         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1403         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1404         * testsuite/protected_main_1.cc (main): Test that protected
1405         function has same address.
1406
1407 2011-07-11  Ian Lance Taylor  <iant@google.com>
1408
1409         PR gold/12979
1410         * options.h (class General_options): Add -Bgroup.
1411         * options.cc (General_options::finalize): If -Bgroup is set,
1412         default to --unresolved-symbols=report-all.
1413         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1414         * target-reloc.h (issue_undefined_symbol_error): Handle
1415         --unresolved-symbols=report-all.
1416
1417 2011-07-08  Ian Lance Taylor  <iant@google.com>
1418
1419         PR gold/11985
1420         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1421         if linker script discards key sections.
1422         (Layout::create_dynamic_symtab): Likewise.
1423         (Layout::assign_local_dynsym_offsets): Likewise.
1424         (Layout::sized_create_version_sections): Likewise.
1425         (Layout::create_interp): Likewise.
1426         (Layout::finish_dynamic_section): Likewise.
1427         (Layout::set_dynamic_symbol_size): Likewise.
1428
1429 2011-07-08  Ian Lance Taylor  <iant@google.com>
1430
1431         PR gold/12386
1432         * options.h (class General_options): Add --unresolved-symbols.
1433         * target-reloc.h (issue_undefined_symbol_error): Check
1434         --unresolved-symbols.  Add comments.
1435
1436 2011-07-08  Ian Lance Taylor  <iant@google.com>
1437
1438         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1439         expression more complex.
1440
1441 2011-07-08  Ian Lance Taylor  <iant@google.com>
1442
1443         PR gold/11317
1444         * target-reloc.h (issue_undefined_symbol_error): New inline
1445         function, broken out of relocate_section.
1446         (relocate_section): Call issue_undefined_symbol_error.
1447         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1448         there is no TLS segment if we are about to issue an undefined
1449         symbol error.
1450         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1451
1452 2011-07-08  Ian Lance Taylor  <iant@google.com>
1453
1454         PR gold/12279
1455         * resolve.cc (Symbol_table::should_override): Add fromtype
1456         parameter.  Change all callers.  Give error when linking together
1457         TLS and non-TLS symbol.
1458         (Symbol_table::should_override_with_special): Add fromtype
1459         parameter.  Change all callers.
1460         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1461         there is no TLS segment if we have reported some errors.
1462         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1463
1464 2011-07-08  Ian Lance Taylor  <iant@google.com>
1465
1466         PR gold/12372
1467         * target.h (Target::plt_address_for_global): New function.
1468         (Target::plt_address_for_local): New function.
1469         (Target::plt_section_for_global): Remove.
1470         (Target::plt_section_for_local): Remove.
1471         (Target::do_plt_address_for_global): New virtual function.
1472         (Target::do_plt_address_for_local): New virtual function.
1473         (Target::do_plt_section_for_global): Remove.
1474         (Target::do_plt_section_for_local): Remove.
1475         (Target::register_global_plt_entry): Add Symbol_table and Layout
1476         parameters.
1477         * output.cc (Output_data_got::Got_entry::write): Use
1478         plt_address_for_global and plt_address_for_local.
1479         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1480         address of output section.
1481         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1482         got_irelative_, and irelative_count_ fields.  Update
1483         declarations.
1484         (Output_data_plt_i386::has_irelative_section): New function.
1485         (Output_data_plt_i386::entry_count): Add irelative_count_.
1486         (Output_data_plt_i386::set_final_data_size): Likewise.
1487         (class Target_i386): Add got_irelative_ and rel_irelative_
1488         fields.  Update declarations.
1489         (Target_i386::Target_i386): Initialize new fields.
1490         (Target_i386::do_plt_address_for_global): New function replacing
1491         do_plt_section_for_global.
1492         (Target_i386::do_plt_address_for_local): New function replacing
1493         do_plt_section_for_local.
1494         (Target_i386::got_section): Create got_irelative_.
1495         (Target_i386::rel_irelative_section): New function.
1496         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1497         fields.  Don't define __rel_iplt_{start,end}.
1498         (Output_data_plt_i386::add_entry): Add symtab and layout
1499         parameters.  Change all callers.  Use different PLT and GOT for
1500         IFUNC symbols.
1501         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1502         layout parameters.  Change all callers.  Use different PLT and
1503         GOT.
1504         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1505         (Output_data_plt_i386::rel_irelative): New function.
1506         (Output_data_plt_i386::address_for_global): New function.
1507         (Output_data_plt_i386::address_for_local): New function.
1508         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1509         IRELATIVE GOT when changing IFUNC GOT entries.
1510         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1511         reloc.
1512         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1513         if we didn't create an IRELATIVE GOT.
1514         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1515         plt_address_for_local.
1516         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1517         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1518         got_irelative_, and irelative_count_ fields.  Update
1519         declarations.
1520         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1521         Initialize new fields.  Remove symtab parameter.  Change all
1522         callers.
1523         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1524         irelative_count_.
1525         (Output_data_plt_x86_64::has_irelative_section): New function.
1526         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1527         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1528         fields.  Update declarations.
1529         (Target_x86_64::Target_x86_64): Initialize new fields.
1530         (Target_x86_64::do_plt_address_for_global): New function replacing
1531         do_plt_section_for_global.
1532         (Target_x86_64::do_plt_address_for_local): New function replacing
1533         do_plt_section_for_local.
1534         (Target_x86_64::got_section): Create got_irelative_.
1535         (Target_x86_64::rela_irelative_section): New function.
1536         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1537         all callers.  Don't create __rel_iplt_{start,end}.
1538         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1539         parameters.  Change all callers.  Use different PLT and GOT for
1540         IFUNC symbols.
1541         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1542         layout parameters.  Change all callers.  Use different PLT and
1543         GOT.
1544         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1545         parameters.  Change all callers.  Use different PLT and GOT for
1546         IFUNC symbols.
1547         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1548         (Output_data_plt_x86_64::rela_irelative): New function.
1549         (Output_data_plt_x86_64::address_for_global): New function.
1550         (Output_data_plt_x86_64::address_for_local): New function.
1551         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1552         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1553         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1554         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1555         parameters.
1556         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1557         reloc.
1558         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1559         symbols if we didn't create an IRELATIVE GOT.
1560         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1561         plt_address_for_local.
1562         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1563         * testsuite/ifuncvar1.c: New test file.
1564         * testsuite/ifuncvar2.c: New test file.
1565         * testsuite/ifuncvar3.c: New test file.
1566         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1567         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1568         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1569         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1570         * testsuite/Makefile.in: Rebuild.
1571
1572 2011-07-07  Cary Coutant  <ccoutant@google.com>
1573
1574         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1575         (two_file_test_1_ndebug.o): Likewise.
1576         (two_file_test_1b_ndebug.o): Likewise.
1577         (two_file_test_2_ndebug.o): Likewise.
1578         (two_file_test_main_ndebug.o): Likewise.
1579         (incremental_test_2): Link with no-debug versions.
1580
1581 2011-07-06  Cary Coutant  <ccoutant@google.com>
1582
1583         * gold/incremental.cc
1584         (Output_section_incremental_inputs::write_info_blocks): Check for
1585         hidden and internal symbols.
1586
1587 2011-07-06  Cary Coutant  <ccoutant@google.com>
1588
1589         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1590         Check disposition for startup file.
1591         (Incremental_inputs::report_command_line): Ignore
1592         --incremental-startup-unchanged option.
1593         * options.cc (General_options::parse_incremental_startup_unchanged):
1594         New function.
1595         (General_options::General_options): Initialize new data member.
1596         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1597         (General_options): Add --incremental-startup-unchanged option.
1598         (General_options::incremental_startup_disposition): New function.
1599         (General_options::incremental_startup_disposition_): New data member.
1600
1601 2011-07-06  Cary Coutant  <ccoutant@google.com>
1602
1603         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1604         input file index to Script_info ctor.
1605         (Sized_incremental_binary::do_file_has_changed): Find the
1606         command-line argument for files named in scripts.
1607         * incremental.h (Script_info::Script_info): New ctor
1608         with input file index.
1609         (Script_info::input_file_index): New function.
1610         (Script_info::input_file_index_): New data member.
1611         (Incremental_binary::get_library): Add const.
1612         (Incremental_binary::get_script_info): Add const.
1613         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1614         * testsuite/Makefile.am (incremental_test_5): New test case.
1615         (incremental_test_6): New test case.
1616         * testsuite/Makefile.in: Regenerate.
1617
1618 2011-07-06  Cary Coutant  <ccoutant@google.com>
1619
1620         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1621         debug output when command lines differ.
1622
1623 2011-07-06  Cary Coutant  <ccoutant@google.com>
1624
1625         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1626         --incremental-patch option.
1627         * layout.cc (Free_list::allocate): Extend allocation beyond original
1628         end if enabled.
1629         (Layout::make_output_section): Mark sections that should get
1630         patch space.
1631         * options.cc (parse_percent): New function.
1632         * options.h (parse_percent): New function.
1633         (DEFINE_percent): New macro.
1634         (General_options): Add --incremental-patch option.
1635         * output.cc (Output_section::Output_section): Initialize new data
1636         members.
1637         (Output_section::add_input_section): Print section name when out
1638         of patch space.
1639         (Output_section::add_output_section_data): Likewise.
1640         (Output_section::set_final_data_size): Add patch space when
1641         doing --incremental-full.
1642         (Output_section::do_reset_address_and_file_offset): Remove patch
1643         space.
1644         (Output_segment::set_section_list_addresses): Print debug output
1645         only if --incremental-update.
1646         * output.h (Output_section::set_is_patch_space_allowed): New function.
1647         (Output_section::is_patch_space_allowed_): New data member.
1648         (Output_section::patch_space_): New data member.
1649         * parameters.cc (Parameters::incremental_full): New function.
1650         * parameters.h (Parameters::incremental_full): New function
1651         * testsuite/Makefile.am (incremental_test_2): Add test for
1652         --incremental-patch option.
1653         * testsuite/Makefile.in: Regenerate.
1654         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1655         (t18): Remove function body.
1656
1657 2011-07-05  Doug Kwan  <dougkwan@google.com>
1658
1659         PR gold/12771
1660         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1661         Arm_Address type for relocation result.
1662         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1663         overflow check.
1664         (Arm_relocate_functions::abs32): Use unaligned access.
1665         (Arm_relocate_functions::rel32): Ditto.
1666         (Arm_relocate_functions::prel31): Ditto.
1667         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1668         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1669         static data relocations.
1670         * testsuite/Makefile.in: Regnerate.
1671         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1672
1673 2011-07-05  Ian Lance Taylor  <iant@google.com>
1674
1675         PR gold/12392
1676         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1677         symbols if necessary.
1678         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1679
1680 2011-07-05  Ian Lance Taylor  <iant@google.com>
1681
1682         PR gold/12952
1683         * resolve.cc (Symbol::override_base_with_special): Simply override
1684         version with special symbol version, ignoring previous version.
1685
1686 2011-07-05  Ian Lance Taylor  <iant@google.com>
1687
1688         * object.cc (Sized_relobj_file::include_section_group): Add
1689         information to comment about signature location.
1690
1691 2011-07-02  Ian Lance Taylor  <iant@google.com>
1692
1693         PR gold/12957
1694         * options.h (class General_options): Add -f and -F.
1695         * options.cc (General_options::finalize): Fatal error if -f/-F
1696         are used without -shared.
1697         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1698
1699 2011-07-02  Ian Lance Taylor  <iant@google.com>
1700
1701         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1702
1703 2011-07-01  Ian Lance Taylor  <iant@google.com>
1704
1705         PR gold/12525
1706         PR gold/12952
1707         * resolve.cc (Symbol::override_base_with_special): Don't override
1708         the version if the overriding symbol has a different name.
1709         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1710         all callers.  If we give an error about an undefined version,
1711         define the base version if necessary.
1712         * dynobj.h (class Versions): Update declaration.
1713         * testsuite/weak_alias_test_5.cc: New file.
1714         * testsuite/weak_alias_test.script: New file.
1715         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1716         and versioned_alias have the right value, and call t2.
1717         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1718         weak_alias_test_5.so.
1719         (weak_alias_test_LDADD): Likewise.
1720         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1721         * testsuite/Makefile.in: Rebuild.
1722
1723 2011-07-01  Ian Lance Taylor  <iant@google.com>
1724
1725         PR gold/12525
1726         * options.h (class General_options): Support -z notext.
1727         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1728         -Wl,-z,notext.
1729         (two_file_shared_nonpic.so): Likewise.
1730         (two_file_shared_mixed.so): Likewise.
1731         (two_file_shared_mixed_1.so): Likewise.
1732         (weak_undef_lib_nonpic.so): Likewise.
1733         (alt/weak_undef_lib_nonpic.so): Likewise.
1734         (tls_test_shared_nonpic.so): Likewise.
1735         * testsuite/Makefile.in: Rebuild.
1736
1737 2011-07-01  Ian Lance Taylor  <iant@google.com>
1738
1739         PR gold/12525
1740         * configure.ac: Test whether static linking works, setting
1741         the automake conditional HAVE_STATIC.
1742         * testsuite/Makefile.am: Disable tests using -static if
1743         HAVE_STATIC is not true.
1744         * configure, testsuite/Makefile.in: Rebuild.
1745
1746 2011-07-01  Ian Lance Taylor  <iant@google.com>
1747
1748         PR gold/12525
1749         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1750         Assert if we see DW_EH_PE_indirect.
1751         * target.h (Target::ehframe_datarel_base): New function.
1752         (Target::do_ehframe_datarel_base): New target function.
1753         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1754         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1755         function.
1756
1757 2011-07-01  Ian Lance Taylor  <iant@google.com>
1758
1759         PR gold/12571
1760         * options.h (class General_options): Add
1761         --ld-generated-unwind-info.
1762         * ehframe.cc (Fde::write): Add address parameter.  Change all
1763         callers.  If associated with PLT, fill in address and size.
1764         (Cie::set_output_offset): Only add merge mapping if there is an
1765         object.
1766         (Cie::write): Add address parameter.  Change all callers.
1767         (Eh_frame::add_ehframe_for_plt): New function.
1768         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1769         input_offset_ fields into union u_, with new plt field.
1770         (Fde::Fde): Adjust for new union field.
1771         (Fde::Fde) [Output_data version]: New constructor.
1772         (Fde::add_mapping): Only add merge mapping if there is an object.
1773         (class Cie): Update declarations.
1774         (class Eh_frame): Declare add_ehframe_for_plt.
1775         * layout.cc (Layout::layout_eh_frame): Break out code into
1776         make_eh_frame_section, and call it.
1777         (Layout::make_eh_frame_section): New function.
1778         (Layout::add_eh_frame_for_plt): New function.
1779         * layout.h (class Layout): Update declarations.
1780         * merge.cc (Merge_map::add_mapping): Add assertion.
1781         * i386.cc: Include "dwarf.h".
1782         (class Output_data_plt_i386): Make first_plt_entry,
1783         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1784         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1785         and plt_eh_frame_fde.
1786         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1787         boundary.  Call add_eh_frame_for_plt if appropriate.
1788         * x86_64.cc: Include "dwarf.h".
1789         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1790         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1791         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1792         and plt_eh_frame_fde.
1793         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1794         appropriate.
1795
1796 2011-06-29  Ian Lance Taylor  <iant@google.com>
1797
1798         PR gold/12629
1799         * object.cc (Sized_relobj_file::layout_section): Change shdr
1800         parameter to be const.
1801         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1802         out of do_layout.
1803         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1804         appropriate.  Call layout_eh_frame_section.
1805         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1806         sections.
1807         * object.h (class Sized_relobj_file): Update declarations.
1808
1809 2011-06-29  Ian Lance Taylor  <iant@google.com>
1810
1811         PR gold/12652
1812         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1813         modifier.
1814         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1815
1816 2011-06-29  Ian Lance Taylor  <iant@google.com>
1817
1818         PR gold/12675
1819         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1820         SHT_X86_64_UNWIND.
1821         * layout.cc (Layout::layout_eh_frame): Likewise.
1822
1823 2011-06-29  Ian Lance Taylor  <iant@google.com>
1824
1825         PR gold/12695
1826         * layout.cc (Layout::symtab_section_shndx): New function.
1827         * layout.h (class Layout): Declare symtab_section_shndx.
1828         * output.cc (Output_section::write_header): Call it.
1829
1830 2011-06-29  Ian Lance Taylor  <iant@google.com>
1831
1832         PR gold/12818
1833         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1834         symbols which are not used in a relocation.
1835
1836 2011-06-28  Ian Lance Taylor  <iant@google.com>
1837
1838         PR gold/12898
1839         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1840         script create indistinguishable segments.
1841         (Layout::set_segment_offsets): Use stable_sort when sorting
1842         segments.  Pass this to Compare_segments constructor.
1843         * layout.h (class Layout): Make segment_precedes non-static.
1844         (class Compare_segments): Change from struct to class.  Add
1845         layout_ field.  Add constructor.
1846         * script-sections.cc
1847         (Script_sections::attach_sections_using_phdrs_clause): Rename
1848         local orphan to is_orphan.  Don't report failure to put empty
1849         section in segment.  On attachment failure, report name of
1850         section, and attach to first PT_LOAD segment.
1851
1852 2011-06-28  Ian Lance Taylor  <iant@google.com>
1853
1854         PR gold/12934
1855         * target-select.cc (Target_selector::Target_selector): Add
1856         emulation parameter.  Change all callers.
1857         (select_target_by_bfd_name): Rename from select_target_by_name.
1858         Change all callers.
1859         (select_target_by_emulation): New function.
1860         (supported_emulation_names): New function.
1861         * target-select.h (class Target_selector): Add emulation_ field.
1862         Update declarations.
1863         (Target_selector::recognize_by_bfd_name): Rename from
1864         recognize_by_name.  Change all callers.
1865         (Target_selector::supported_bfd_names): Rename from
1866         supported_names.  Change all callers.
1867         (Target_selector::recognize_by_emulation): New function.
1868         (Target_selector::supported_emulations): New function.
1869         (Target_selector::emulation): New function.
1870         (Target_selector::do_recognize_by_bfd_name): Rename from
1871         do_recognize_by_name.  Change all callers.
1872         (Target_selector::do_supported_bfd_names): Rename from
1873         do_supported_names.  Change all callers.
1874         (Target_selector::do_recognize_by_emulation): New function.
1875         (Target_selector::do_supported_emulations): New function.
1876         (select_target_by_bfd_name): Change name in declaration.
1877         (select_target_by_emulation): Declare.
1878         (supported_emulation_names): Declare.
1879         * parameters.cc (parameters_force_valid_target): Try to find
1880         target based on emulation from -m option.
1881         * options.h (class General_options): Change doc string for -m.
1882         * options.cc (help): Print emulations.
1883         (General_options::parse_V): Likewise.
1884         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1885         Add emulation parameter.  Change all callers.
1886
1887 2011-06-28  Ian Lance Taylor  <iant@google.com>
1888
1889         * target.h (class Target): Add osabi_ field.
1890         (Target::osabi): New function.
1891         (Target::set_osabi): New function.
1892         (Target::Target): Initialize osabi_.
1893         (Target::do_adjust_elf_header): Make pure virtual.
1894         (Sized_target::do_adjust_elf_header): Declare.
1895         * target.cc (Sized_target::do_adjust_elf_header): New function.
1896         (class Sized_target): Instantiate all versions.
1897         * freebsd.h (class Target_freebsd): Remove.
1898         (Target_selector_freebsd::do_recognize): Call set_osabi on
1899         Target.
1900         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1901         (Target_selector_freebsd::set_osabi): Remove.
1902         * i386.cc (class Target_i386): Inherit from Sized_target rather
1903         than Target_freebsd.
1904         * x86_64.cc (class Target_x86_64): Likewise.
1905
1906 2011-06-28  Ian Lance Taylor  <iant@google.com>
1907
1908         * target.h (Target::can_check_for_function_pointers): Rewrite.
1909         Make non-virtual.
1910         (Target::can_icf_inline_merge_sections): Likewise.
1911         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1912         (Target::Target_info): Add can_icf_inline_merge_sections field.
1913         (Target::do_can_check_for_function_pointers): New virtual
1914         function.
1915         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1916         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1917         from can_check_for_function_pointers, move in file.
1918         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1919         section_may_have_icf_unsafe_poineters, move in file.
1920         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1921         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1922         Rename from can_check_for_function_pointers, move in file.
1923         (Target_i386::can_icf_inline_merge_sections): Remove.
1924         (Target_i386::i386_info): Initialize
1925         can_icf_inline_merge_sections.
1926         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1927         Initialize can_icf_inline_merge_sections.
1928         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1929         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1930         Rename from can_check_for_function_pointers, move in file.
1931         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1932         (Target_x86_64::x86_64_info): Initialize
1933         can_icf_inline_merge_sections.
1934         * testsuite/testfile.cc (Target_test::test_target_info):
1935         Likewise.
1936         * icf.cc (get_section_contents): Correct formatting.
1937
1938 2011-06-27  Ian Lance Taylor  <iant@google.com>
1939
1940         * symtab.cc (Symbol::versioned_name): New function.
1941         (Symbol_table::add_to_final_symtab): Use versioned_name when
1942         appropriate.
1943         (Symbol_table::sized_write_symbol): Likewise.
1944         * symtab.h (class Symbol): Declare versioned_name.
1945         * stringpool.h (class Stringpool_template): Add variant of add
1946         which takes a std::basic_string.
1947         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1948         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1949         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1950         (ver_test_12.o): New target.
1951         * testsuite/Makefile.in: Rebuild.
1952
1953 2011-06-27  Doug Kwan  <dougkwan@google.com>
1954
1955         * arm.cc (Arm_relocate_functions::thm_jump8,
1956         Arm_relocate_functions::thm_jump11): Use a wider signed
1957         type to compute offset.
1958         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1959         arm_thm_jump8.
1960         * testsuite/Makefile.in: Regenerate.
1961         * testsuite/arm_branch_in_range.sh: Check test results of
1962         arm_thm_jump11 and arm_thm_jump8.
1963         * testsuite/arm_thm_jump11.s: New test source file.
1964         * testsuite/arm_thm_jump11.t: New linker script.
1965         * testsuite/arm_thm_jump8.s: New test source file.
1966         * testsuite/arm_thm_jump8.t: New linker script.
1967
1968 2011-06-24  Ian Lance Taylor  <iant@google.com>
1969
1970         * layout.cc: Include "object.h".
1971         (ctors_sections_in_init_array): New static variable.
1972         (Layout::is_ctors_in_init_array): New function.
1973         (Layout::layout): Add entry to ctors_sections_in_init_array if
1974         appropriate.
1975         * layout.h (class Layout): Declare is_ctors_in_init_array.
1976         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1977         is_ctors_reverse_view is set.
1978         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1979         all callers.  Set is_ctors_reverse_view field of View_size.
1980         (Sized_relobj_file::reverse_words): New function.
1981         * object.h (Sized_relobj_file::View_size): Add
1982         is_ctors_reverse_view field.
1983         (class Sized_relobj_file): Update declarations.
1984         * testsuite/initpri3.c: New test.
1985         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1986         initpri3b.
1987         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1988         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1989         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1990         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1991         * testsuite/Makefile.in: Rebuild.
1992
1993 2011-06-24  Cary Coutant  <ccoutant@google.com>
1994
1995         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1996         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1997         (debug_msg_cdebug.err): New targets.
1998         * testsuite/Makefile.in: Regenerate.
1999         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2000         Fix checks for link with shared library.
2001
2002 2011-06-24  Doug Kwan  <dougkwan@google.com>
2003
2004         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2005         skip empty text sections.
2006         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2007
2008 2011-06-22  Ian Lance Taylor  <iant@google.com>
2009
2010         PR gold/12910
2011         * options.h (class General_options): Add --ctors-in-init-array.
2012         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2013         friends as SHT_PROGBITS for merging sections.
2014         (Layout::layout): Remove special handling of .init_array and
2015         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2016         and .dtors if ctors_in_init_array.
2017         (Layout::make_output_section): Force correct section types for
2018         .init_array and friends.  Don't sort if doing relocatable link,
2019         Don't sort .ctors and .dtors if ctors_in_init_array.
2020         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2021         (Layout::output_section_name): Add relobj parameter.  Change all
2022         callers.  Handle .ctors. and .dtors. in code rather than table.
2023         Handle .ctors and .dtors if ctors_in_init_array.
2024         (Layout::match_file_name): New function, moved from output.cc.
2025         * layout.h (class Layout): Update declarations.
2026         * output.cc: Include "layout.h".
2027         (Input_section_sort_entry::get_priority): New function.
2028         (Input_section_sort_entry::match_file_name): Just call
2029         Layout::match_file_name.
2030         (Output_section::Input_section_sort_init_fini_compare::operator()):
2031         Handle .ctors and .dtors.  Sort by explicit priority rather than
2032         by name.
2033         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2034         * testsuite/initpri2.c: New test.
2035         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2036         (check_PROGRAMS): Add initpri2.
2037         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2038         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2039         * configure, testsuite/Makefile.in: Rebuild.
2040
2041 2011-06-19  Ian Lance Taylor  <iant@google.com>
2042
2043         PR gold/12880
2044         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2045         .interp section to a PT_INTERP segment even if we have seen a
2046         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2047         clause in a linker script.
2048         (Layout::finalize): Don't create a .interp section if we've
2049         already create a PT_INTERP segment.
2050         (Layout::create_interp): Always call choose_output_section (revert
2051         patch of 2011-06-17).  Don't create PT_INTERP segment.
2052         * script-sections.cc
2053         (Script_sections::create_note_and_tls_segments): Add a .interp
2054         section to a PT_INTERP segment even if we have seen a
2055         --dynamic-linker option.
2056
2057 2011-06-18  Ian Lance Taylor  <iant@google.com>
2058
2059         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2060         merely because a non-PT_LOAD segment has a dynamic reloc.
2061
2062 2011-06-18  Ian Lance Taylor  <iant@google.com>
2063
2064         * layout.cc (Layout::finish_dynamic_section): Don't create
2065         DT_FLAGS entry if not needed.
2066
2067 2011-06-18  Ian Lance Taylor  <iant@google.com>
2068
2069         PR gold/12745
2070         * layout.cc (Layout::layout_eh_frame): Correct handling of
2071         writable .eh_frame section.
2072
2073 2011-06-17  Ian Lance Taylor  <iant@google.com>
2074
2075         PR gold/12893
2076         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2077         symbol is redefined with the exact same object and value.
2078
2079 2011-06-17  Ian Lance Taylor  <iant@google.com>
2080
2081         PR gold/12880
2082         * layout.h (class Layout): Add interp_segment_ field.
2083         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2084         (Layout::attach_allocated_section_to_segment): If making shared
2085         library, put .interp section in PT_INTERP segment.
2086         (Layout::finalize): Also call create_interp if -dynamic-linker
2087         option was used.
2088         (Layout::create_interp): Assert that there is no PT_INTERP
2089         segment.  If not using a SECTIONS clause, use make_output_section.
2090         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2091         * script-sections.cc
2092         (Script_sections::create_note_and_tls_segments): If making shared
2093         library, put .interp section in PT_INTERP segment.
2094
2095 2011-06-17  Ian Lance Taylor  <iant@google.com>
2096
2097         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2098         when making a shared library.
2099
2100 2011-06-17  Ian Lance Taylor  <iant@google.com>
2101
2102         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2103         parameter.  Change all callers.  Don't issue warning about PC32
2104         against locally defined symbol.
2105
2106 2011-06-16  Ian Lance Taylor  <iant@google.com>
2107
2108         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2109         occurs in same object.
2110
2111 2011-06-14  Alan Modra  <amodra@gmail.com>
2112
2113         * po/POTFILES.in: Regenerate.
2114
2115 2011-06-09  Ian Lance Taylor  <iant@google.com>
2116
2117         * script-sections.cc
2118         (Orphan_output_section::set_section_addresses): For a relocatable
2119         link set address to 0.
2120
2121 2011-06-09  Cary Coutant  <ccoutant@google.com>
2122
2123         PR gold/12804
2124         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2125         used with --compress-debug-sections.
2126         * gold/object.cc (Sized_relobj_file::do_layout): Report
2127         uncompressed size of compressed input sections.
2128
2129 2011-06-08  Cary Coutant  <ccoutant@google.com>
2130
2131         PR gold/12804
2132         * testsuite/two_file_test_2_v1.cc: Change initialization of
2133         v2 to keep it in .data.
2134
2135 2011-06-07  Cary Coutant  <ccoutant@google.com>
2136
2137         * common.cc (Symbol_table::do_allocate_commons_list): Call
2138         gold_fallback.
2139         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2140         (Errors::fallback): New function.
2141         (gold_fallback): New function.
2142         * errors.h (Errors::fallback): New function.
2143         * gold.cc (gold_exit): Change status parameter to enum; adjust
2144         all callers.
2145         (queue_initial_tasks): Call gold_fallback.
2146         * gold.h: Include cstdlib.
2147         (Exit_status): New enum type.
2148         (gold_exit): Change status parameter to enum.
2149         (gold_fallback): New function.
2150         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2151         (Layout::create_symtab_sections): Likewise.
2152         (Layout::create_shdrs): Likewise.
2153         * main.cc (main): Adjust call to gold_exit.
2154         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2155         (Output_data_got::add_got_entry_pair): Likewise.
2156         (Output_section::add_input_section): Likewise.
2157         (Output_section::add_output_section_data): Likewise.
2158         (Output_segment::set_section_list_addresses): Likewise.
2159         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2160
2161 2011-06-07  Cary Coutant  <ccoutant@google.com>
2162
2163         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2164         for incremental links.
2165         * output.cc (Output_segment::set_section_list_addresses): Remove
2166         FIXME and test for TLS or BSS.
2167
2168 2011-06-07  Cary Coutant  <ccoutant@google.com>
2169
2170         * testsuite/Makefile.am: Add incremental_copy_test,
2171         incremental_common_test_1.
2172         * testsuite/Makefile.in: Regenerate.
2173         * testsuite/common_test_1_v1.c: New source file.
2174         * testsuite/common_test_1_v2.c: New source file.
2175         * testsuite/copy_test_v1.cc: New source file.
2176
2177 2011-06-07  Cary Coutant  <ccoutant@google.com>
2178
2179         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2180         update, allocate common from bss section's free list.
2181         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2182         linker-defined symbols.
2183         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2184         Skip GOT and PLT entries that are no longer referenced.
2185         (Output_section_incremental_inputs::write_info_blocks): Mark
2186         linker-defined symbols.
2187         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2188         * output.cc (Output_section::allocate): New function.
2189         * output.h (Output_section::allocate): New function.
2190         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2191         linker-defined symbols.
2192         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2193         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2194         (Symbol::init_base_output_data): Likewise.
2195         (Symbol::init_base_output_segment): Likewise.
2196         (Symbol::init_base_constant): Likewise.
2197         (Sized_symbol::init_output_data): Likewise.
2198         (Sized_symbol::init_output_segment): Likewise.
2199         (Sized_symbol::init_constant): Likewise.
2200         (Symbol_table::do_define_in_output_data): Likewise.
2201         (Symbol_table::do_define_in_output_segment): Likewise.
2202         (Symbol_table::do_define_as_constant): Likewise.
2203         * symtab.h (Symbol::is_predefined): New function.
2204         (Symbol::init_base_output_data): Add is_predefined parameter.
2205         (Symbol::init_base_output_segment): Likewise.
2206         (Symbol::init_base_constant): Likewise.
2207         (Symbol::is_predefined_): New data member.
2208         (Sized_symbol::init_output_data): Add is_predefined parameter.
2209         (Sized_symbol::init_output_segment): Likewise.
2210         (Sized_symbol::init_constant): Likewise.
2211         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2212
2213 2011-06-07  Cary Coutant  <ccoutant@google.com>
2214
2215         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2216         instead of emit_copy_reloc.
2217         (Copy_relocs::emit_copy_reloc): Refactor.
2218         (Copy_relocs::make_copy_reloc): New function.
2219         (Copy_relocs::add_copy_reloc): Remove.
2220         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2221         section.
2222         (Copy_relocs::make_copy_reloc): New function.
2223         (Copy_relocs::add_copy_reloc): Remove.
2224         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2225         unchanged input files.
2226         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2227         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2228         Reserve BSS space for COPY relocations.
2229         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2230         (Output_section_incremental_inputs::write_info_blocks): Record
2231         whether a symbol is copied from a shared object.
2232         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2233         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2234         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2235         (Incremental_input_entry_reader::get_output_symbol_index): Add
2236         is_copy parameter.
2237         (Incremental_binary::emit_copy_relocs): New function.
2238         (Incremental_binary::do_emit_copy_relocs): New function.
2239         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2240         new data member.
2241         (Sized_incremental_binary::add_copy_reloc): New function.
2242         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2243         (Sized_incremental_binary::Copy_reloc): New struct.
2244         (Sized_incremental_binary::Copy_relocs): New typedef.
2245         (Sized_incremental_binary::copy_relocs_): New data member.
2246         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2247         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2248         * target.h (Sized_target::emit_copy_reloc): New function.
2249         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2250
2251 2011-06-02  Cary Coutant  <ccoutant@google.com>
2252
2253         PR gold/12163
2254         * gold/archive.cc (Archive::Archive): Initialize new data member.
2255         (Archive::include_all_members): Return if archive has already been
2256         included.
2257         * gold/archive.h (Archive::include_all_members_): New data member.
2258
2259 2011-06-02  Nick Clifton  <nickc@redhat.com>
2260
2261         * dynobj.h: Fix spelling mistake in comment.
2262         * output.cc: Likewise.
2263
2264 2011-05-31  Doug Kwan  <dougkwan@google.com>
2265             Asier Llano
2266
2267         PR gold/12826
2268         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2269         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2270         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2271         redundant arm_exidx_test.so.
2272         * testsuite/Makefile.in: Regenerate.
2273         (check_SCRIPTS): Add pr12826.sh
2274         (check_DATA): Add pr12826.stdout
2275         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2276         * testsuite/pr12826.sh: New file.
2277         * testsuite/pr12826_1.s: Ditto.
2278         * testsuite/pr12826_1.s: Ditto.
2279
2280 2011-05-30  Ian Lance Taylor  <iant@google.com>
2281
2282         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2283         sections.
2284
2285 2011-05-29  Ian Lance Taylor  <iant@google.com>
2286
2287         PR gold/12804
2288         * testsuite/Makefile.am: Use different file name for two_file_test
2289         temporary file for each incremental test.
2290         * testsuite/Makefile.in: Rebuild.
2291
2292 2011-05-29  Ian Lance Taylor  <iant@google.com>
2293
2294         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2295         binary input file is empty.
2296
2297 2011-05-27  Ian Lance Taylor  <iant@google.com>
2298
2299         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2300         (ver_test_9.so): Likewise.
2301         * testsuite/Makefile.in: Rebuild.
2302
2303 2011-05-26 Cary Coutant  <ccoutant@google.com>
2304
2305         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2306         * incremental.cc (Incremental_inputs::report_input_section): Fix
2307         comment, indentation.
2308         (Incremental_inputs::report_comdat_group): New function.
2309         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2310         of data for incremental input file entry.
2311         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2312         group count, COMDAT group signatures.
2313         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2314         an unchanged input file.
2315         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2316         Initialize new data member.
2317         (Incremental_object_entry::add_comdat_group): New function.
2318         (Incremental_object_entry::get_comdat_group_count): New function.
2319         (Incremental_object_entry::get_comdat_signature_key): New function.
2320         (Incremental_object_entry::groups_): New data member.
2321         (Incremental_inputs::report_comdat_group): New function.
2322         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2323         data for incremental input file entry.
2324         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2325         (Incremental_input_entry_reader::get_input_section): Adjust size of
2326         data for incremental input file entry.
2327         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2328         (Incremental_input_entry_reader::get_comdat_group_signature): New
2329         function.
2330         * object.cc (Sized_relobj::include_section_group): Report kept
2331         COMDAT groups for incremental links.
2332
2333 2011-05-24  David Meyer  <pdox@google.com>
2334
2335         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2336         with name parameter.  Add found_name parameter.
2337         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2338         * dirsearch.h (class Dirsearch): Update declaration.
2339
2340 2011-05-24  Ian Lance Taylor  <iant@google.com>
2341
2342         * archive.cc (Library_base::should_include_member): Pull in object
2343         from archive if it defines the entry symbol.
2344         * parameters.cc (Parameters::entry): New function.
2345         * parameters.h (class Parameters): Declare entry.
2346         * output.h (class Output_file_header): Remove entry_ field.
2347         * output.cc (Output_file_header::Output_file_header): Remove entry
2348         parameter.  Change all callers.
2349         (Output_file_header::entry): Use parameters->entry.
2350         * gold.cc (queue_middle_tasks): Likewise.
2351         * plugin.cc (Plugin_hook::run): Likewise.
2352
2353 2011-05-24 Cary Coutant  <ccoutant@google.com>
2354
2355         * gold.cc (queue_initial_tasks): Pass incremental base filename
2356         to Output_file::open_base_file; don't print error message.
2357         * incremental-dump.cc (main): Adjust call to
2358         Output_file::open_for_modification.
2359         * incremental-dump.cc (main): Likewise.
2360         * incremental.cc (Incremental_inputs::report_command_line):
2361         Ignore --incremental-base option when comparing command lines.
2362         Ignore parameter when given as separate argument.
2363         * options.h (class General_options): Add --incremental-base.
2364         * output.cc (Output_file::Output_file):
2365         (Output_file::open_base_file): Add base_name and writable parameters;
2366         read base file into new file; print error message here.
2367         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2368         callers.
2369         * output.h (Output_file::open_for_modification): Rename to...
2370         (Output_file::open_base_file): ...this; add base_name and
2371         writable parameters; adjust all callers.
2372         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2373         callers.
2374         * testsuite/Makefile.am (incremental_test_4): Test
2375         --incremental-base.
2376         * testsuite/Makefile.in: Regenerate.
2377
2378 2011-05-24 Cary Coutant  <ccoutant@google.com>
2379
2380         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2381         incremental_test_4.
2382         * testsuite/Makefile.in: Regenerate.
2383         * testsuite/two_file_test_1_v1.cc: New test source file.
2384         * testsuite/two_file_test_1b_v1.cc: New test source file.
2385         * testsuite/two_file_test_2_v1.cc: New test source file.
2386
2387 2011-05-24 Cary Coutant  <ccoutant@google.com>
2388
2389         * dynobj.h (Dynobj::do_dynobj): New function.
2390         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2391         flag and soname for shared objects.
2392         * incremental.cc (Incremental_inputs::report_object): Make
2393         either Incremental_object_entry or Incremental_dynobj_entry; add
2394         soname to string table.
2395         (Incremental_inputs::report_input_section): Add assertion.
2396         (Output_section_incremental_inputs::set_final_data_size): Adjust
2397         type of input file entry for shared libraries; adjust size of
2398         shared library info entry.
2399         (Output_section_incremental_inputs::write_input_files): Write
2400         as_needed flag for shared libraries.
2401         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2402         of input file entry for shared libraries; write soname.
2403         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2404         soname from incremental info.
2405         * incremental.h (enum Incremental_input_flags): Add
2406         INCREMENTAL_INPUT_AS_NEEDED.
2407         (Incremental_input_entry::Incremental_input_entry): Initialize new
2408         data member.
2409         (Incremental_input_entry::set_as_needed): New function.
2410         (Incremental_input_entry::as_needed): New function.
2411         (Incremental_input_entry::do_dynobj_entry): New function.
2412         (Incremental_input_entry::as_needed_): New data member.
2413         (Incremental_object_entry::Incremental_object_entry): Don't check
2414         for shared library.
2415         (Incremental_object_entry::do_type): Likewise.
2416         (class Incremental_dynobj_entry): New class.
2417         (Incremental_input_entry_reader::as_needed): New function.
2418         (Incremental_input_entry_reader::get_soname): New function.
2419         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2420         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2421         size of shared library info entry.
2422         * layout.cc (Layout::finish_dynamic_section): Don't test for
2423         incremental link when adding DT_NEEDED entries.
2424         * object.h (Object::Object): Initialize new data member.
2425         (Object::dynobj): New function.
2426         (Object::set_as_needed): New function.
2427         (Object::as_needed): New function.
2428         (Object::do_dynobj): New function.
2429         (Object::as_needed_): New data member.
2430
2431 2011-05-24 Cary Coutant  <ccoutant@google.com>
2432
2433         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2434         info; adjust display of GOT entries.
2435         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2436         vector of input objects; remove file_status_.
2437         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2438         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2439         got_plt reader; call target hooks to reserve GOT entries.
2440         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2441         of input file info header and GOT info entry.
2442         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2443         relocation info.
2444         (Got_plt_view_info::got_descriptor): Remove.
2445         (Got_plt_view_info::sym_index): New data member.
2446         (Got_plt_view_info::input_index): New data member.
2447         (Local_got_offset_visitor::visit): Write input file index.
2448         (Global_got_offset_visitor::visit): Write 0 for input file index.
2449         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2450         with sym_index and input_index.
2451         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2452         incremental info GOT entry; replace got_descriptor with input_index.
2453         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2454         map from input file index to object.
2455         (Sized_relobj_incr::do_layout): Replace direct data member reference
2456         with accessor function.
2457         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2458         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2459         Adjust size of input file info header.
2460         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2461         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2462         (Incremental_input_entry_reader::get_input_section): Adjust size of
2463         input file info header.
2464         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2465         of incremental info GOT entry.
2466         (Incremental_got_plt_reader::get_got_desc): Remove.
2467         (Incremental_got_plt_reader::get_got_symndx): New function.
2468         (Incremental_got_plt_reader::get_got_input_index): New function.
2469         (Sized_incremental_binary::Sized_incremental_binary): Remove
2470         file_status_; add input_objects_.
2471         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2472         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2473         (Sized_incremental_binary::file_is_unchanged): Remove.
2474         (Sized_incremental_binary::set_input_object): New function.
2475         (Sized_incremental_binary::input_object): New function.
2476         (Sized_incremental_binary::file_status_): Remove.
2477         (Sized_incremental_binary::input_objects_): New data member.
2478         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2479         references.
2480         (Sized_relobj_incr::invalid_address): Move to base class.
2481         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2482         class.
2483         (Sized_relobj_incr::do_output_section_offset): Likewise.
2484         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2485         (Sized_relobj_incr::section_offsets_): Likewise.
2486         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2487         function.
2488         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2489         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2490         with accessor function.
2491         (Sized_relobj_file::do_layout): Likewise.
2492         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2493         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2494         (Sized_relobj_file::compute_final_local_value): Replace refs to
2495         section_offsets_ with accessor function.
2496         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2497         * object.h (Relobj::Relobj): Initialize new data members.
2498         (Relobj::add_dyn_reloc): New function.
2499         (Relobj::first_dyn_reloc): New function.
2500         (Relobj::dyn_reloc_count): New function.
2501         (Relobj::first_dyn_reloc_): New data member.
2502         (Relobj::dyn_reloc_count_): New data member.
2503         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2504         references.
2505         (Sized_relobj::Address): New typedef.
2506         (Sized_relobj::invalid_address): Move here from child class.
2507         (Sized_relobj::Sized_relobj): Initialize new data members.
2508         (Sized_relobj::sized_relobj): New function.
2509         (Sized_relobj::is_output_section_offset_invalid): Move here from
2510         child class.
2511         (Sized_relobj::get_output_section_offset): Likewise.
2512         (Sized_relobj::local_has_got_offset): Likewise.
2513         (Sized_relobj::local_got_offset): Likewise.
2514         (Sized_relobj::set_local_got_offset): Likewise.
2515         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2516         (Sized_relobj::clear_got_offsets): New function.
2517         (Sized_relobj::section_offsets): Move here from child class.
2518         (Sized_relobj::do_output_section_offset): Likewise.
2519         (Sized_relobj::do_set_section_offset): Likewise.
2520         (Sized_relobj::Local_got_offsets): Likewise.
2521         (Sized_relobj::local_got_offsets_): Likewise.
2522         (Sized_relobj::section_offsets_): Likewise.
2523         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2524         references.
2525         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2526         class.
2527         (Sized_relobj_file::sized_relobj): New function
2528         (Sized_relobj_file::local_has_got_offset): Move to base class.
2529         (Sized_relobj_file::local_got_offset): Likewise.
2530         (Sized_relobj_file::set_local_got_offset): Likewise.
2531         (Sized_relobj_file::get_output_section_offset): Likewise.
2532         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2533         (Sized_relobj_file::do_output_section_offset): Likewise.
2534         (Sized_relobj_file::do_set_section_offset): Likewise.
2535         (Sized_relobj_file::Local_got_offsets): Likewise.
2536         (Sized_relobj_file::local_got_offsets_): Likewise.
2537         (Sized_relobj_file::section_offsets_): Likewise.
2538         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2539         (all constructors).
2540         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2541         (Output_reloc::get_symbol_index): Likewise.
2542         (Output_reloc::local_section_offset): Likewise.
2543         (Output_reloc::get_address): Likewise.
2544         (Output_reloc::symbol_value): Likewise.
2545         (Output_data_got::reserve_slot): Move to class definition.
2546         (Output_data_got::reserve_local): New function.
2547         (Output_data_got::reserve_slot_for_global): Remove.
2548         (Output_data_got::reserve_global): New function.
2549         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2550         (all constructors, two instantiations).
2551         (Output_reloc::get_relobj): New function (two instantiations).
2552         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2553         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2554         (Output_data_reloc::add_global): Adjust type of relobj.
2555         (Output_data_reloc::add_global_relative): Likewise.
2556         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2557         (Output_data_reloc::add_local): Likewise.
2558         (Output_data_reloc::add_local_relative): Likewise.
2559         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2560         (Output_data_reloc::add_local_section): Likewise.
2561         (Output_data_reloc::add_output_section): Likewise.
2562         (Output_data_reloc::add_absolute): Likewise.
2563         (Output_data_reloc::add_target_specific): Likewise.
2564         (Output_data_got::reserve_slot): Move definition here.
2565         (Output_data_got::reserve_local): New function.
2566         (Output_data_got::reserve_global): New function.
2567         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2568         section_offsets_ with accessor function.
2569         (Sized_relobj_file::write_sections): Likewise.
2570         (Sized_relobj_file::do_relocate_sections): Likewise.
2571         * target.h (Sized_target::reserve_local_got_entry): New function.
2572         (Sized_target::reserve_global_got_entry): New function.
2573         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2574         (Target_x86_64::reserve_global_got_entry): New function.
2575         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2576
2577 2011-05-23 Cary Coutant  <ccoutant@google.com>
2578
2579         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2580         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2581         bit when checking got_type.
2582         * incremental.cc (Sized_incremental_binary::setup_readers):
2583         Store symbol table and string table locations; initialize bit vector
2584         of file status flags.
2585         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2586         unchanged files.
2587         (Sized_incremental_binary::do_process_got_plt): New function.
2588         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2589         (Output_section_incremental_inputs::set_final_data_size): Record
2590         file index for each input file.
2591         (Output_section_incremental_inputs::write_got_plt): Store file index
2592         instead of input entry offset for each GOT entry.
2593         * incremental.h
2594         (Incremental_input_entry::Incremental_input_entry): Initialize new
2595         data member.
2596         (Incremental_input_entry::set_offset): Store file index.
2597         (Incremental_input_entry::get_file_index): New function.
2598         (Incremental_input_entry::file_index_): New data member.
2599         (Incremental_binary::process_got_plt): New function.
2600         (Incremental_binary::do_process_got_plt): New function.
2601         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2602         data members.
2603         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2604         (Sized_incremental_binary::set_file_is_unchanged): New function.
2605         (Sized_incremental_binary::file_is_unchanged): New function.
2606         (Sized_incremental_binary::do_process_got_plt): New function.
2607         (Sized_incremental_binary::file_status_): New data member.
2608         (Sized_incremental_binary::main_symtab_loc_): New data member.
2609         (Sized_incremental_binary::main_strtab_loc_): New data member.
2610         * output.cc (Output_data_got::Got_entry::write): Add case
2611         RESERVED_CODE.
2612         (Output_data_got::add_global): Call add_got_entry.
2613         (Output_data_got::add_global_plt): Likewise.
2614         (Output_data_got::add_global_with_rel): Likewise.
2615         (Output_data_got::add_global_with_rela): Likewise.
2616         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2617         (Output_data_got::add_global_pair_with_rela): Likewise.
2618         (Output_data_got::add_local): Call add_got_entry.
2619         (Output_data_got::add_local_plt): Likewise.
2620         (Output_data_got::add_local_with_rel): Likewise.
2621         (Output_data_got::add_local_with_rela): Likewise.
2622         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2623         (Output_data_got::add_local_pair_with_rela): Likewise.
2624         (Output_data_got::reserve_slot): New function.
2625         (Output_data_got::reserve_slot_for_global): New function.
2626         (Output_data_got::add_got_entry): New function.
2627         (Output_data_got::add_got_entry_pair): New function.
2628         (Output_section::add_output_section_data): Edit FIXME.
2629         * output.h
2630         (Output_section_data_build::Output_section_data_build): New
2631         constructor with size parameter.
2632         (Output_data_space::Output_data_space): Likewise.
2633         (Output_data_got::Output_data_got): Initialize new data member; new
2634         constructor with size parameter.
2635         (Output_data_got::add_constant): Call add_got_entry.
2636         (Output_data_got::reserve_slot): New function.
2637         (Output_data_got::reserve_slot_for_global): New function.
2638         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2639         (Output_data_got::add_got_entry): New function.
2640         (Output_data_got::add_got_entry_pair): New function.
2641         (Output_data_got::free_list_): New data member.
2642         * target.h (Sized_target::init_got_plt_for_update): New function.
2643         (Sized_target::register_global_plt_entry): New function.
2644         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2645         Initialize new data member; call init; add constructor with PLT count.
2646         (Output_data_plt_x86_64::init): New function.
2647         (Output_data_plt_x86_64::add_relocation): New function.
2648         (Output_data_plt_x86_64::reserve_slot): New function.
2649         (Output_data_plt_x86_64::free_list_): New data member.
2650         (Target_x86_64::init_got_plt_for_update): New function.
2651         (Target_x86_64::register_global_plt_entry): New function.
2652         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2653         incremental updates.
2654         (Output_data_plt_x86_64::add_relocation): New function.
2655         * testsuite/object_unittest.cc (Object_test): Set default options.
2656
2657 2011-05-16  Ian Lance Taylor  <iant@google.com>
2658
2659         * options.h (class General_options): Make -i a synonym for -r.
2660
2661 2011-05-16  Ian Lance Taylor  <iant@google.com>
2662
2663         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2664
2665 2011-05-10 Cary Coutant  <ccoutant@google.com>
2666
2667         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2668         strip_all (-s).
2669
2670 2011-05-06  Ian Lance Taylor  <iant@google.com>
2671
2672         * layout.cc (Layout::layout): If the output section flags change,
2673         update the ordering.
2674
2675 2011-04-25 Cary Coutant  <ccoutant@google.com>
2676
2677         * incremental-dump.cc (dump_incremental_inputs): Print local
2678         symbol info for each input file.
2679         * incremental.cc
2680         (Output_section_incremental_inputs::set_final_data_size): Add local
2681         symbol info to input file entries in incremental info.
2682         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2683         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2684         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2685         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2686         implementation.
2687         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2688         (Sized_incr_relobj::do_relocate): Write the local symbols.
2689         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2690         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2691         Adjust size of input file header.
2692         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2693         (Incremental_inputs_reader::get_local_symbol_count): New function.
2694         (Incremental_inputs_reader::get_input_section): Adjust size of input
2695         file header.
2696         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2697         (Sized_incr_relobj::This): New typedef.
2698         (Sized_incr_relobj::sym_size): New const data member.
2699         (Sized_incr_relobj::Local_symbol): New struct.
2700         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2701         (Sized_incr_relobj::do_local_symbol_offset): New function.
2702         (Sized_incr_relobj::local_symbol_count_): New data member.
2703         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2704         (Sized_incr_relobj::local_symbol_index_): New data member.
2705         (Sized_incr_relobj::local_symbol_offset_): New data member.
2706         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2707         (Sized_incr_relobj::local_symbols_): New data member.
2708         * object.h (Relobj::output_local_symbol_count): New function.
2709         (Relobj::local_symbol_offset): New function.
2710         (Relobj::do_output_local_symbol_count): New function.
2711         (Relobj::do_local_symbol_offset): New function.
2712         (Sized_relobj::do_output_local_symbol_count): New function.
2713         (Sized_relobj::do_local_symbol_offset): New function.
2714
2715 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2716
2717         * descriptors.cc (set_close_on_exec): New function.
2718         (Descriptors::open): Use set_close_on_exec.
2719         * output.cc (S_ISLNK): Define if not defined.
2720
2721 2011-04-22 Cary Coutant  <ccoutant@google.com>
2722
2723         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2724         global symbol map.
2725         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2726         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2727         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2728         relocations.
2729         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2730         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2731         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2732         * incremental.h
2733         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2734         function.
2735         (Incremental_binary::apply_incremental_relocs): New function.
2736         (Incremental_binary::do_apply_incremental_relocs): New function.
2737         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2738         data member.
2739         (Sized_incremental_binary::add_global_symbol): New function.
2740         (Sized_incremental_binary::global_symbol): New function.
2741         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2742         (Sized_incremental_binary::symbol_map_): New data member.
2743         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2744         * target.h (Sized_target::apply_relocation): New function.
2745         * target-reloc.h (apply_relocation): New function.
2746         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2747
2748 2011-04-22  Doug Kwan  <dougkwan@google.com>
2749
2750         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2751         flag of a SHT_ARM_EXIDX section.
2752         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2753         * testsuite/Makefile.in: Regenerate.
2754         * testsuite/arm_exidx_test.s: New file.
2755         * testsuite/arm_exidx_test.sh: Same.
2756
2757 2011-04-20 Cary Coutant  <ccoutant@google.com>
2758
2759         PR gold/12689
2760         * archive.h (Incremental_archive_entry::Archive_member):
2761         Initialize arg_serial_ (second constructor).
2762
2763 2011-04-17  Ian Lance Taylor  <iant@google.com>
2764
2765         * object.cc (Relocate_info::location): Simplify location string.
2766         * errors.cc (Errors::error_at_location): Don't print program
2767         name.
2768         (Errors::warning_at_location): Likewise.
2769         (Errors::undefined_symbol): Likewise.
2770         * testsuite/debug_msg.sh: Update accordingly.
2771
2772 2011-04-14 Cary Coutant  <ccoutant@google.com>
2773
2774         * gold/layout.cc (Layout::symtab_section_offset): New function.
2775         * gold/layout.h (Layout::symtab_section_offset): New function.
2776         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2777
2778 2011-04-12  Ian Lance Taylor  <iant@google.com>
2779
2780         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2781         with MREMAP_MAYMOVE.
2782         * output.h (class Output_file): Add map_is_allocated_ field.
2783         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2784         not available, provide stubs.  If mremap is not available, #define
2785         it to gold_mremap.
2786         (MREMAP_MAYMOVE): Define if not defined.
2787         (Output_file::Output_file): Initialize map_is_allocated_.
2788         (Output_file::resize): Check map_is_allocated_.
2789         (Output_file::map_anonymous): If mmap fails, use malloc.
2790         (Output_file::unmap): Don't do anything for an anonymous map.
2791         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2792         is not available, provide stubs.
2793         (File_read::View::~View): Use free rather than delete[].
2794         (File_read::make_view): Use malloc rather than new[].  If mmap
2795         fails, use malloc.
2796         (File_read::find_or_make_view): Use malloc rather than new[].
2797         * gold.h: Remove HAVE_REMAP code.
2798         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2799         exists.  Rename mremap to gold_mremap.  If mmap is not available
2800         don't do anything.
2801         * configure, config.in: Rebuild.
2802
2803 2011-04-11  Ian Lance Taylor  <iant@google.com>
2804
2805         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2806         initialize local variable v.
2807
2808 2011-04-11  Cary Coutant  <ccoutant@google.com>
2809
2810         * archive.cc (Archive::include_member): Adjust call to
2811         report_object.
2812         (Add_archive_symbols::run): Track argument serial numbers.
2813         (Lib_group::include_member): Likewise.
2814         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2815         * archive.h (Incremental_archive_entry::Archive_member):
2816         Initialize arg_serial_.
2817         (Archive_member::arg_serial_): New data member.
2818         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2819         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2820         incremental link.
2821         (Sized_dynobj::do_for_all_local_got_entries): New function.
2822         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2823         function.
2824         * fileread.cc (get_mtime): New function.
2825         * fileread.h (get_mtime): New function.
2826         * gold.cc (queue_initial_tasks): Check for incremental update.
2827         (process_incremental_input): New function.
2828         (queue_middle_tasks): Don't force valid target for incremental
2829         update.
2830         * incremental-dump.cc (find_input_containing_global): Adjust
2831         size of symbol info entry.
2832         (dump_incremental_inputs): Dump argument serial number and
2833         in_system_directory flag; bias shndx by 1; print symbol names
2834         when dumping per-file symbol lists; use new symbol info readers.
2835         * incremental.cc
2836         (Output_section_incremental_inputs:update_data_size): New function.
2837         (Sized_incremental_binary::setup_readers): Setup input readers
2838         for each input file; build maps for files added from libraries
2839         and scripts.
2840         (Sized_incremental_binary::check_input_args): New function.
2841         (Sized_incremental_binary::do_check_inputs): Build map of argument
2842         serial numbers to input arguments.
2843         (Sized_incremental_binary::do_file_has_changed): Rename
2844         do_file_is_unchanged to this; compare file modification times.
2845         (Sized_incremental_binary::do_init_layout): New function.
2846         (Sized_incremental_binary::do_reserve_layout): New function.
2847         (Sized_incremental_binary::do_get_input_reader): Remove.
2848         (Sized_incremental_binary::get_symtab_view): New function.
2849         (Incremental_checker::can_incrementally_link_output_file): Remove.
2850         (Incremental_inputs::report_command_line): Exclude --debug options.
2851         (Incremental_inputs::report_archive_begin): Add parameter; track
2852         argument serial numbers; don't put input file entry for archive
2853         before archive members.
2854         (Incremental_inputs::report_archive_end): Put input file entry
2855         for archive after archive members.
2856         (Incremental_inputs::report_object): Add parameter; track argument
2857         serial numbers and in_system_directory flag.
2858         (Incremental_inputs::report_script): Add parameter; track argument
2859         serial numbers.
2860         (Output_section_incremental_inputs::set_final_data_size): Adjust
2861         size of symbol info entry; check for forwarding symbols.
2862         (Output_section_incremental_inputs::write_input_files): Write
2863         in_system_directory flag and argument serial number.
2864         (Output_section_incremental_inputs::write_info_blocks): Map section
2865         indices between incremental info and original input file; store
2866         input section index for each symbol.
2867         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2868         change operator() to visit().
2869         (class Global_got_offset_visitor): Likewise.
2870         (class Global_symbol_visitor_got_plt):
2871         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2872         classes.
2873         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2874         (Sized_incr_relobj::do_read_symbols): New function.
2875         (Sized_incr_relobj::do_layout): New function.
2876         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2877         (Sized_incr_relobj::do_add_symbols): New function.
2878         (Sized_incr_relobj::do_should_include_member): New function.
2879         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2880         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2881         (Sized_incr_relobj::do_section_size): New function.
2882         (Sized_incr_relobj::do_section_name): New function.
2883         (Sized_incr_relobj::do_section_contents): New function.
2884         (Sized_incr_relobj::do_section_flags): New function.
2885         (Sized_incr_relobj::do_section_entsize): New function.
2886         (Sized_incr_relobj::do_section_address): New function.
2887         (Sized_incr_relobj::do_section_type): New function.
2888         (Sized_incr_relobj::do_section_link): New function.
2889         (Sized_incr_relobj::do_section_info): New function.
2890         (Sized_incr_relobj::do_section_addralign): New function.
2891         (Sized_incr_relobj::do_initialize_xindex): New function.
2892         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2893         (Sized_incr_relobj::do_read_relocs): New function.
2894         (Sized_incr_relobj::do_gc_process_relocs): New function.
2895         (Sized_incr_relobj::do_scan_relocs): New function.
2896         (Sized_incr_relobj::do_count_local_symbols): New function.
2897         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2898         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2899         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2900         (Sized_incr_relobj::do_relocate): New function.
2901         (Sized_incr_relobj::do_set_section_offset): New function.
2902         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2903         (Sized_incr_dynobj::do_read_symbols): New function.
2904         (Sized_incr_dynobj::do_layout): New function.
2905         (Sized_incr_dynobj::do_add_symbols): New function.
2906         (Sized_incr_dynobj::do_should_include_member): New function.
2907         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2908         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2909         (Sized_incr_dynobj::do_section_size): New function.
2910         (Sized_incr_dynobj::do_section_name): New function.
2911         (Sized_incr_dynobj::do_section_contents): New function.
2912         (Sized_incr_dynobj::do_section_flags): New function.
2913         (Sized_incr_dynobj::do_section_entsize): New function.
2914         (Sized_incr_dynobj::do_section_address): New function.
2915         (Sized_incr_dynobj::do_section_type): New function.
2916         (Sized_incr_dynobj::do_section_link): New function.
2917         (Sized_incr_dynobj::do_section_info): New function.
2918         (Sized_incr_dynobj::do_section_addralign): New function.
2919         (Sized_incr_dynobj::do_initialize_xindex): New function.
2920         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2921         (make_sized_incremental_object): New function.
2922         (Incremental_library::copy_unused_symbols): New function.
2923         (Incremental_library::do_for_all_unused_symbols): New function.
2924         * incremental.h (enum Incremental_input_flags): New type.
2925         (class Incremental_checker): Remove.
2926         (Incremental_input_entry::Incremental_input_entry): Add argument
2927         serial number.
2928         (Incremental_input_entry::arg_serial): New function.
2929         (Incremental_input_entry::set_is_in_system_directory): New function.
2930         (Incremental_input_entry::is_in_system_directory): New function.
2931         (Incremental_input_entry::arg_serial_): New data member.
2932         (Incremental_input_entry::is_in_system_directory_): New data member.
2933         (class Script_info): Move here from script.h.
2934         (Script_info::Script_info): Add filename parameter.
2935         (Script_info::filename): New function.
2936         (Script_info::filename_): New data member.
2937         (Incremental_script_entry::Incremental_script_entry): Add argument
2938         serial number.
2939         (Incremental_object_entry::Incremental_object_entry): Likewise.
2940         (Incremental_object_entry::add_input_section): Build list of input
2941         sections with map to original shndx.
2942         (Incremental_object_entry::get_input_section_index): New function.
2943         (Incremental_object_entry::shndx_): New data member.
2944         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2945         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2946         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2947         serial number.
2948         (Incremental_inputs::report_archive_begin): Likewise.
2949         (Incremental_inputs::report_object): Likewise.
2950         (Incremental_inputs::report_script): Likewise.
2951         (class Incremental_global_symbol_reader): New class.
2952         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2953         and store flags and input file type.
2954         (Incremental_input_entry_reader::arg_serial): New function.
2955         (Incremental_input_entry_reader::type): Extract type from flags.
2956         (Incremental_input_entry_reader::is_in_system_directory): New function.
2957         (Incremental_input_entry_reader::get_input_section_count): Call
2958         accessor function for type.
2959         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2960         function for type; adjust size of global symbol entry.
2961         (Incremental_input_entry_reader::get_global_symbol_count): Call
2962         accessor function for type.
2963         (Incremental_input_entry_reader::get_object_count): Likewise.
2964         (Incremental_input_entry_reader::get_object_offset): Likewise.
2965         (Incremental_input_entry_reader::get_member_count): Likewise.
2966         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2967         (Incremental_input_entry_reader::get_member_offset): Likewise.
2968         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2969         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2970         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2971         (Incremental_input_entry_reader::get_global_symbol_reader): New
2972         function.
2973         (Incremental_input_entry_reader::get_output_symbol_index): New
2974         function.
2975         (Incremental_input_entry_reader::type_): Remove.
2976         (Incremental_input_entry_reader::flags_): New data member.
2977         (Incremental_inputs_reader::input_file_offset): New function.
2978         (Incremental_inputs_reader::input_file_index): New function.
2979         (Incremental_inputs_reader::input_file): Call input_file_offset.
2980         (Incremental_inputs_reader::input_file_at_offset): New function.
2981         (Incremental_relocs_reader::get_r_type): Reformat.
2982         (Incremental_relocs_reader::get_r_shndx): Reformat.
2983         (Incremental_relocs_reader::get_r_offset): Reformat.
2984         (Incremental_relocs_reader::data): New function.
2985         (Incremental_binary::Incremental_binary): Initialize new data members.
2986         (Incremental_binary::check_inputs): Add cmdline parameter.
2987         (Incremental_binary::file_is_unchanged): Remove.
2988         (Input_reader::arg_serial): New function.
2989         (Input_reader::get_unused_symbol_count): New function.
2990         (Input_reader::get_unused_symbol): New function.
2991         (Input_reader::do_arg_serial): New function.
2992         (Input_reader::do_get_unused_symbol_count): New function.
2993         (Input_reader::do_get_unused_symbol): New function.
2994         (Incremental_binary::input_file_count): New function.
2995         (Incremental_binary::get_input_reader): Change signature to use
2996         index instead of filename.
2997         (Incremental_binary::file_has_changed): New function.
2998         (Incremental_binary::get_input_argument): New function.
2999         (Incremental_binary::get_library): New function.
3000         (Incremental_binary::get_script_info): New function.
3001         (Incremental_binary::init_layout): New function.
3002         (Incremental_binary::reserve_layout): New function.
3003         (Incremental_binary::output_file): New function.
3004         (Incremental_binary::do_check_inputs): New function.
3005         (Incremental_binary::do_file_is_unchanged): Remove.
3006         (Incremental_binary::do_file_has_changed): New function.
3007         (Incremental_binary::do_init_layout): New function.
3008         (Incremental_binary::do_reserve_layout): New function.
3009         (Incremental_binary::do_input_file_count): New function.
3010         (Incremental_binary::do_get_input_reader): Change signature.
3011         (Incremental_binary::input_args_map_): New data member.
3012         (Incremental_binary::library_map_): New data member.
3013         (Incremental_binary::script_map_): New data member.
3014         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3015         new data members.
3016         (Sized_incremental_binary::output_section): New function.
3017         (Sized_incremental_binary::inputs_reader): Add const.
3018         (Sized_incremental_binary::symtab_reader): Add const.
3019         (Sized_incremental_binary::relocs_reader): Add const.
3020         (Sized_incremental_binary::got_plt_reader): Add const.
3021         (Sized_incremental_binary::get_symtab_view): New function.
3022         (Sized_incremental_binary::Inputs_reader): New typedef.
3023         (Sized_incremental_binary::Input_entry_reader): New typedef.
3024         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3025         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3026         (Sized_incremental_binary::do_file_has_changed): New function.
3027         (Sized_incremental_binary::do_init_layout): New function.
3028         (Sized_incremental_binary::do_reserve_layout): New function.
3029         (Sized_input_reader::Inputs_reader): Remove.
3030         (Sized_input_reader::Input_entry_reader): Remove.
3031         (Sized_input_reader::do_arg_serial): New function.
3032         (Sized_input_reader::do_get_unused_symbol_count): New function.
3033         (Sized_input_reader::do_get_unused_symbol): New function.
3034         (Sized_incremental_binary::do_input_file_count): New function.
3035         (Sized_incremental_binary::do_get_input_reader): Change signature;
3036         use index instead of filename.
3037         (Sized_incremental_binary::section_map_): New data member.
3038         (Sized_incremental_binary::input_entry_readers_): New data member.
3039         (class Sized_incr_relobj): New class.
3040         (class Sized_incr_dynobj): New class.
3041         (make_sized_incremental_object): New function.
3042         (class Incremental_library): New class.
3043         * layout.cc (Free_list::num_lists): New static data member.
3044         (Free_list::num_nodes): New static data member.
3045         (Free_list::num_removes): New static data member.
3046         (Free_list::num_remove_visits): New static data member.
3047         (Free_list::num_allocates): New static data member.
3048         (Free_list::num_allocate_visits): New static data member.
3049         (Free_list::init): New function.
3050         (Free_list::remove): New function.
3051         (Free_list::allocate): New function.
3052         (Free_list::dump): New function.
3053         (Free_list::print_stats): New function.
3054         (Layout_task_runner::run): Resize output file for incremental updates.
3055         (Layout::Layout): Initialize new data members.
3056         (Layout::set_incremental_base): New function.
3057         (Layout::init_fixed_output_section): New function.
3058         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3059         incremental updates.
3060         (Layout::create_gold_note): Do not create gold note section for
3061         incremental updates.
3062         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3063         for incremental updates.
3064         (Layout::set_section_offsets): For incremental updates, allocate space
3065         from free list.
3066         (Layout::create_symtab_sections): Layout with offsets relative to
3067         start of section; for incremental updates, allocate space from free
3068         list.
3069         (Layout::create_shdrs): For incremental updates, allocate space from
3070         free list.
3071         (Layout::finish_dynamic_section): For incremental updates, do not
3072         check --as-needed (fixed in subsequent patch).
3073         * layout.h (class Free_list): New class.
3074         (Layout::set_incremental_base): New function.
3075         (Layout::incremental_base): New function.
3076         (Layout::init_fixed_output_section): New function.
3077         (Layout::allocate): New function.
3078         (Layout::incremental_base_): New data member.
3079         (Layout::free_list_): New data member.
3080         * main.cc (main): Print Free_list statistics.
3081         * object.cc (Relobj::finalize_incremental_relocs): Add
3082         clear_counts parameter; clear counts only when clear_counts is set.
3083         (Sized_relobj::Sized_relobj): Initialize new base class.
3084         (Sized_relobj::do_layout): Don't report special sections.
3085         (Sized_relobj::do_for_all_local_got_entries): New function.
3086         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3087         symtab_off to all symbol table offsets.
3088         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3089         * object.h (class Got_offset_list): Move to top of file.
3090         (Object::Object): Allow case where input_file == NULL.
3091         (Object::~Object): Likewise.
3092         (Object::input_file): Assert that input_file != NULL.
3093         (Object::lock): Allow case where input_file == NULL.
3094         (Object::unlock): Likewise.
3095         (Object::is_locked): Likewise.
3096         (Object::token): Likewise.
3097         (Object::release): Likewise.
3098         (Object::is_incremental): New function.
3099         (Object::get_mtime): New function.
3100         (Object::for_all_local_got_entries): New function.
3101         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3102         (Object::set_is_in_system_directory): New function.
3103         (Object::is_in_system_directory): New function.
3104         (Object::do_is_incremental): New function.
3105         (Object::do_get_mtime): New function.
3106         (Object::do_for_all_local_got_entries): New function.
3107         (Object::is_in_system_directory_): New data member.
3108         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3109         (class Sized_relobj_base): New class.
3110         (class Sized_relobj): Derive from Sized_relobj_base.
3111         (class Sized_relobj::Symbols): Redeclare from base class.
3112         (class Sized_relobj::local_got_offset_list): Remove.
3113         (class Sized_relobj::Output_sections): Redeclare from base class.
3114         (class Sized_relobj::do_for_all_local_got_entries): New function.
3115         (class Sized_relobj::write_local_symbols): Add offset parameter.
3116         (class Sized_relobj::local_symbol_offset_): Update comment.
3117         (class Sized_relobj::local_dynsym_offset_): Update comment.
3118         * options.cc (Input_arguments::add_file): Remove const.
3119         * options.h (Input_file_argument::Input_file_argument):
3120         Initialize arg_serial_ (all constructors).
3121         (Input_file_argument::set_arg_serial): New function.
3122         (Input_file_argument::arg_serial): New function.
3123         (Input_file_argument::arg_serial_): New data member.
3124         (Input_arguments::Input_arguments): Initialize file_count_.
3125         (Input_arguments::add_file): Remove const.
3126         (Input_arguments::number_of_input_files): New function.
3127         (Input_arguments::file_count_): New data member.
3128         (Command_line::number_of_input_files): Call
3129         Input_arguments::number_of_input_files.
3130         * output.cc (Output_segment_headers::Output_segment_headers):
3131         Set current size.
3132         (Output_section::Input_section::current_data_size): New function.
3133         (Output_section::Output_section): Initialize new data members.
3134         (Output_section::add_input_section): Don't do merge sections for
3135         an incremental link; allocate space from free list for an
3136         incremental update.
3137         (Output_section::add_output_section_data): Allocate space from
3138         free list for an incremental update.
3139         (Output_section::update_data_size): New function.
3140         (Output_section::set_fixed_layout): New function.
3141         (Output_section::reserve): New function.
3142         (Output_segment::set_section_addresses): Remove const.
3143         (Output_segment::set_section_list_addresses): Remove const; allocate
3144         space from free list for an incremental update.
3145         (Output_segment::set_offset): Adjust size of RELRO segment for an
3146         incremental update.
3147         * output.h (Output_data::current_data_size): Move here from
3148         child classes.
3149         (Output_data::pre_finalize_data_size): New function.
3150         (Output_data::update_data_size): New function.
3151         (Output_section_headers::update_data_size): new function.
3152         (Output_section_data_build::current_data_size): Move to Output_data.
3153         (Output_data_strtab::update_data_size): New function.
3154         (Output_section::current_data_size): Move to Output_data.
3155         (Output_section::set_fixed_layout): New function.
3156         (Output_section::has_fixed_layout): New function.
3157         (Output_section::reserve): New function.
3158         (Output_section::update_data_size): New function.
3159         (Output_section::has_fixed_layout_): New data member.
3160         (Output_section::free_list_): New data member.
3161         (Output_segment::set_section_addresses): Remove const.
3162         (Output_segment::set_section_list_addresses): Remove const.
3163         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3164         New function.
3165         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3166         New function.
3167         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3168         parameter when calling Add_symbols constructor; store argument
3169         serial number for members of a lib group.
3170         (Add_symbols::locks): Allow case where token == NULL.
3171         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3172         (Read_member::~Read_member): New function.
3173         (Read_member::is_runnable): New function.
3174         (Read_member::locks): New function.
3175         (Read_member::run): New function.
3176         (Check_script::~Check_script): New function.
3177         (Check_script::is_runnable): New function.
3178         (Check_script::locks): New function.
3179         (Check_script::run): New function.
3180         (Check_library::~Check_library): New function.
3181         (Check_library::is_runnable): New function.
3182         (Check_library::locks): New function.
3183         (Check_library::run): New function.
3184         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3185         (Add_symbols::library_): New data member.
3186         (class Read_member): New class.
3187         (class Check_script): New class.
3188         (class Check_library): New class.
3189         * reloc.cc (Read_relocs::is_runnable): Allow case where
3190         token == NULL.
3191         (Read_relocs::locks): Likewise.
3192         (Scan_relocs::locks): Likewise.
3193         (Relocate_task::locks): Likewise.
3194         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3195         to clear counters.
3196         (Sized_relobj::incremental_relocs_scan): Fix comment.
3197         (Sized_relobj::do_relocate): Pass output file offset to
3198         write_local_symbols.
3199         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3200         from class declaration.
3201         * script.cc (read_input_script): Allocate Script_info; pass
3202         argument serial number to report_script.
3203         * script.h (class Script_info): Move to incremental.h.
3204         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3205         * symtab.h (Symbol_table::add_from_incrobj): New function.
3206         (Symbol_table::set_file_offset): New function.
3207
3208 2011-04-05  Cary Coutant  <ccoutant@google.com>
3209
3210         * incremental-dump.cc (dump_incremental_inputs): Change signature
3211         to take a Sized_incremental_binary; change caller.  Use readers
3212         in Sized_incremental_binary.
3213         * incremental.cc
3214         (Sized_incremental_binary::find_incremental_inputs_sections):
3215         Rename do_find_incremental_inputs_sections to this.
3216         (Sized_incremental_binary::setup_readers): New function.
3217         (Sized_incremental_binary::do_check_inputs): Check
3218         has_incremental_info_ flag; move setup code to setup_readers;
3219         use input readers.
3220         (Sized_incremental_binary::do_file_is_unchanged): New function.
3221         (Sized_incremental_binary::do_get_input_reader): New function.
3222         * incremental.h (class Incremental_binary): Move to end of file.
3223         (Incremental_binary::file_is_unchanged): New function.
3224         (Incremental_binary::do_file_is_unchanged): New function.
3225         (Incremental_binary::Input_reader): New class.
3226         (Incremental_binary::get_input_reader): New function.
3227         (class Sized_incremental_binary): Move to end of file.
3228         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3229         input section reader classes.
3230         (Sized_incremental_binary::has_incremental_info): New function.
3231         (Sized_incremental_binary::inputs_reader): New function.
3232         (Sized_incremental_binary::symtab_reader): New function.
3233         (Sized_incremental_binary::relocs_reader): New function.
3234         (Sized_incremental_binary::got_plt_reader): New function.
3235         (Sized_incremental_binary::do_file_is_unchanged): New function.
3236         (Sized_incremental_binary::Sized_input_reader): New class.
3237         (Sized_incremental_binary::get_input_reader): New function.
3238         (Sized_incremental_binary::find_incremental_inputs_sections):
3239         Rename do_find_incremental_inputs_sections to this.
3240         (Sized_incremental_binary::setup_readers): New function.
3241         (Sized_incremental_binary::has_incremental_info_): New data member.
3242         (Sized_incremental_binary::inputs_reader_): New data member.
3243         (Sized_incremental_binary::symtab_reader_): New data member.
3244         (Sized_incremental_binary::relocs_reader_): New data member.
3245         (Sized_incremental_binary::got_plt_reader_): New data member.
3246         (Sized_incremental_binary::current_input_file_): New data member.
3247
3248 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3249
3250         PR gold/12640
3251         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3252         violation.
3253
3254 2011-03-30  Cary Coutant  <ccoutant@google.com>
3255
3256         * archive.cc (Archive::include_member): Adjust call to report_object.
3257         (Add_archive_symbols::run): Add script_info to call to
3258         report_archive_begin.
3259         (Lib_group::include_member): Adjust call to report_object.
3260         (Add_lib_group_symbols::run): Adjust call to report_object.
3261         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3262         blocks.  Add object count for script input files.
3263         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3264         script_info parameter; change all callers.
3265         (Incremental_inputs::report_object): Add script_info parameter;
3266         change all callers.
3267         (Incremental_inputs::report_script): Store backpointer to
3268         incremental info entry.
3269         (Output_section_incremental_inputs::set_final_data_size): Record
3270         additional information for scripts.
3271         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3272         * incremental.h (Incremental_script_entry::add_object): New function.
3273         (Incremental_script_entry::get_object_count): New function.
3274         (Incremental_script_entry::get_object): New function.
3275         (Incremental_script_entry::objects_): New data member; adjust
3276         constructor.
3277         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3278         (Incremental_inputs::report_object): Add script_info parameter.
3279         (Incremental_inputs_reader::get_object_count): New function.
3280         (Incremental_inputs_reader::get_object_offset): New function.
3281         * options.cc (Input_arguments::add_file): Return reference to
3282         new input argument.
3283         * options.h (Input_argument::set_script_info): New function.
3284         (Input_argument::script_info): New function.
3285         (Input_argument::script_info_): New data member; adjust all
3286         constructors.
3287         (Input_file_group::add_file): Return reference to new input argument.
3288         (Input_file_lib::add_file): Likewise.
3289         (Input_arguments::add_file): Likewise.
3290         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3291         * script.cc (Parser_closure::Parser_closure): Add script_info
3292         parameter; adjust all callers.
3293         (Parser_closure::script_info): New function.
3294         (Parser_closure::script_info_): New data member.
3295         (read_input_script): Report scripts earlier to incremental info.
3296         (script_add_file): Set script_info in Input_argument.
3297         (script_add_library): Likewise.
3298         * script.h (Script_options::Script_info): Rewrite class.
3299
3300 2011-03-29  Cary Coutant  <ccoutant@google.com>
3301
3302         * archive.cc (Library_base::should_include_member): Move
3303         method here from class Archive.
3304         (Archive::Archive): Initialize base class.
3305         (Archive::should_include_member): Move to base class.
3306         (Archive::do_for_all_unused_symbols): New function.
3307         (Add_archive_symbols::run): Remove redundant access to
3308         incremental_inputs.
3309         (Lib_group::Lib_group): Initialize base class.
3310         (Lib_group::do_filename): New function.
3311         (Lib_group::include_member): Pass pointer to Lib_group to
3312         report_object.
3313         (Lib_group::do_for_all_unused_symbols): New function.
3314         (Add_lib_group_symbols::run): Report archive information for
3315         incremental links.
3316         * archive.h (class Library_base): New base class.
3317         (class Archive): Derive from Library_base.
3318         (Archive::filename): Move to base class.
3319         (Archive::set_incremental_info): Likewise.
3320         (Archive::incremental_info): Likewise.
3321         (Archive::Should_include): Likewise.
3322         (Archive::should_include_member): Likewise.
3323         (Archive::Armap_entry): Remove.
3324         (Archive::Unused_symbol_iterator): Remove.
3325         (Archive::unused_symbols_begin): Remove.
3326         (Archive::unused_symbols_end): Remove.
3327         (Archive::do_filename): New function.
3328         (Archive::do_get_mtime): New function.
3329         (Archive::do_for_all_unused_symbols): New function.
3330         (Archive::task_): Move to base class.
3331         (Archive::incremental_info_): Likewise.
3332         (class Lib_group): Derive from Library_base.
3333         (Lib_group::do_filename): New function.
3334         (Lib_group::do_get_mtime): New function.
3335         (Lib_group::do_for_all_unused_symbols): New function.
3336         (Lib_group::task_): Move to base class.
3337         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3338         function.
3339         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3340         function.
3341         * incremental.cc (Incremental_inputs::report_archive_begin):
3342         Use Library_base; call library's get_mtime; add incremental inputs
3343         entry before members.
3344         (class Unused_symbol_visitor): New class.
3345         (Incremental_inputs::report_archive_end): Use Library_base; use
3346         visitor class to record unused symbols; don't add incremental inputs
3347         entry after members.
3348         (Incremental_inputs::report_object): Use Library_base.
3349         * incremental.h
3350         (Incremental_archive_entry::Incremental_archive_entry): Remove
3351         unused Archive parameter.
3352         (Incremental_inputs::report_archive_begin): Use Library_base.
3353         (Incremental_inputs::report_archive_end): Likewise.
3354         (Incremental_inputs::report_object): Likewise.
3355         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3356         function.
3357         * object.h (Object::for_all_global_symbols): New function.
3358         (Object::do_for_all_global_symbols): New function.
3359         (Sized_relobj::do_for_all_global_symbols): New function.
3360         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3361         function.
3362         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3363         function.
3364
3365 2011-03-27  Ian Lance Taylor  <iant@google.com>
3366
3367         * archive.cc (Archive::interpret_header): Return -1 if something
3368         goes wrong.  Change callers accordingly.
3369
3370 2011-03-25  Cary Coutant  <ccoutant@google.com>
3371
3372         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3373         * testsuite/Makefile.in: Regenerate.
3374
3375 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3376
3377         * plugin.cc (get_view): New.
3378         (Plugin::load): Pass get_view to the plugin.
3379         (Plugin_manager::get_view): New.
3380
3381 2011-03-21  Ian Lance Taylor  <iant@google.com>
3382
3383         * testsuite/final_layout.sh: Rewrite to not use dc.
3384         * testsuite/relro_test.sh: Fail if dc is not present.
3385
3386 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3387
3388         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3389         Change == to -eq.
3390         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3391         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3392         Change == to -eq.
3393         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3394         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3395
3396 2011-03-14  Ian Lance Taylor  <iant@google.com>
3397
3398         * script-sections.cc (Sort_output_sections::script_compare):
3399         Rename from is_before, change return type.
3400         (Sort_output_sections::operator()): Adjust accordingly.
3401
3402 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3403
3404         PR gold/12572
3405         * testsuite/odr_violation2.cc: Add comment to make all error line
3406         numbers double digits.
3407         * testsuite/debug_msg.sh: Adjust expected errors.
3408
3409 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3410
3411         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3412         but mark earlier ones as non-canonical
3413         (offset_to_iterator): Update search target and example
3414         (do_addr2line): Return extra lines in a vector*
3415         (format_file_lineno): Extract from do_addr2line
3416         (one_addr2line): Add vector* out-param
3417         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3418         when a lineno entry appeared last for its instruction
3419         (Dwarf_line_info): Add vector* out-param
3420         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3421         * symtab.cc (Odr_violation_compare): Include the lineno in the
3422         comparison again.
3423         (linenos_from_loc): New. Combine the canonical line for an
3424         address with its other lines.
3425         (True_if_intersect): New. Helper functor to make
3426         std::set_intersection a query.
3427         (detect_odr_violations): Compare sets of lines instead of just
3428         one line for each function. This became less deterministic, but
3429         has fewer false positives.
3430         * symtab.h: Declarations.
3431         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3432         mix an optimized and non-optimized object in the same binary
3433         (odr_violation2.so): Same.
3434         * testsuite/Makefile.in: Regenerate from Makefile.am.
3435         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3436         * testsuite/debug_msg.sh: Update line numbers and add
3437         assertions.
3438         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3439         non-optimized context.
3440         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3441         isn't inlined, and use OdrDerived in an optimized context.
3442         * testsuite/odr_header1.h: Defines OdrDerived, where
3443         optimization will change the
3444         first-instruction-in-the-destructor's file and line number.
3445         * testsuite/odr_header2.h: Defines OdrBase.
3446
3447 2011-03-09  Ian Lance Taylor  <iant@google.com>
3448
3449         * fileread.cc (File_read::clear_views): Don't delete the whole
3450         file view.
3451
3452 2011-03-08  Ian Lance Taylor  <iant@google.com>
3453
3454         PR gold/12525
3455         * fileread.cc: #include <climits>.
3456         (GOLD_IOV_MAX): Define.
3457         (File_read::read_multiple): Limit number of entries by iov_max.
3458         * fileread.h (class File_read): Always set max_readv_entries to
3459         128.
3460
3461 2011-03-07  Ian Lance Taylor  <iant@google.com>
3462
3463         PR gold/12525
3464         * options.h (class General_options): Add -dy and -dn.
3465
3466 2011-03-02  Cary Coutant  <ccoutant@google.com>
3467
3468         * testsuite/script_test_9.t: Add TLS segment.
3469
3470 2011-03-02  Simon Baldwin  <simonb@google.com>
3471
3472         * configure.ac: Add check for gnu_indirect_function support in
3473         the toolchain building binutils.
3474         * configure: Rebuild.
3475
3476 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3477
3478         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3479         plugin only symbols.
3480         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3481         in plugin files as not needed in the symbol table.
3482
3483 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3484
3485         * output.cc (Output_section::add_input_section): Delay fill
3486         generation for section ordering.
3487
3488 2011-02-09  Ian Lance Taylor  <iant@google.com>
3489
3490         PR gold/12316
3491         * object.h (class Sized_relobj): Remove clear_local_symbols.
3492         * reloc.cc (Sized_relobj::do_relocate): Don't call
3493         clear_local_symbols.
3494
3495 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3496
3497         * plugin.cc (is_visible_from_outside): Return true for symbols
3498         in the -u option.
3499
3500 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3501
3502         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3503         filename.
3504
3505 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3506
3507         * icf.h (is_section_foldable_candidate): Change type of parameter
3508         to std::string.
3509         * icf.cc (Icf::find_identical_sections): Change type of local variable
3510         section_name to be std::string.
3511         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3512
3513 2011-01-25  Ian Lance Taylor  <iant@google.com>
3514
3515         * script.cc (script_add_extern): Rewrite to use
3516         add_symbol_reference.
3517
3518 2011-01-25  Doug Kwan  <dougkwan@google.com>
3519
3520         * icf.cc (get_section_contents): Always lock section's object.
3521
3522 2011-01-24  Ian Lance Taylor  <iant@google.com>
3523
3524         * options.h (class General_options): Accept
3525         --no-detect-odr-violations.
3526
3527 2011-01-24  Ian Lance Taylor  <iant@google.com>
3528
3529         * version.cc (version_string): Bump to 1.11.
3530
3531 2011-01-24  Ian Lance Taylor  <iant@google.com>
3532
3533         * plugin.cc (class Plugin_rescan): Define new class.
3534         (Plugin_manager::claim_file): Set any_claimed_.
3535         (Plugin_manager::save_archive): New function.
3536         (Plugin_manager::save_input_group): New function.
3537         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3538         necessary.
3539         (Plugin_manager::new_undefined_symbol): New function.
3540         (Plugin_manager::rescan): New function.
3541         (Plugin_manager::rescannable_defines): New function.
3542         (Plugin_manager::add_input_file): Set any_added_.
3543         * plugin.h (class Plugin_manager): define new fields rescannable_,
3544         undefined_symbols_, any_claimed_, and any_added_.  Declare
3545         Plugin_rescan as friend.  Declare new functions.
3546         (Plugin_manager::Rescannable): Define type.
3547         (Plugin_manager::Rescannable_list): Define type.
3548         (Plugin_manager::Undefined_symbol_list): Define type.
3549         (Plugin_manager::Plugin_manager): Initialize new fields.
3550         * archive.cc (Archive::defines_symbol): New function.
3551         (Add_archive_symbols::run): Pass archive to plugins if any.
3552         * archive.h (class Archive): Declare defines_symbol.
3553         * readsyms.cc (Input_group::~Input_group): New function.
3554         (Finish_group::run): Pass input_group to plugins if any.
3555         * readsyms.h (class Input_group): Declare destructor.
3556         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3557         any.
3558
3559 2011-01-10  Ian Lance Taylor  <iant@google.com>
3560
3561         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3562         section as relro.
3563         (Layout::set_segment_offsets): Reset increase_relro before calling
3564         set_section_addresses a second time.
3565
3566 2011-01-04  Cary Coutant  <ccoutant@google.com>
3567
3568         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3569         sections before NOBITS sections.
3570
3571 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3572
3573         * version.cc (print_version): Update copyright to 2011.
3574
3575 2010-12-23  Cary Coutant  <ccoutant@google.com>
3576
3577         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3578         of OS to this->add.  Add OD parameter to second form of the function.
3579
3580 2010-12-20  Ian Lance Taylor  <iant@google.com>
3581
3582         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3583         second of two consecutive entries with same offset.
3584
3585 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3586
3587         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3588         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3589         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3590         to avoid unneeded links against $(LDADD).
3591         * testsuite/Makefile.in: Regenerate.
3592
3593 2010-12-15  Ian Lance Taylor  <iant@google.com>
3594
3595         PR gold/12324
3596         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3597         for R_X86_64_32 and R_X86_64_PC32.
3598         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3599         ver_matching_def_pic.o.
3600         (ver_matching_def_pic.o): New target.
3601
3602 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3603
3604         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3605         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3606         Move definition before File_read::View member definitions.
3607         (File_read::View::~View): Initialize and hold lock before
3608         updating current_mapped_bytes.
3609
3610 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3611
3612         * dwarf_reader.cc: Remove outdated comment.
3613         * gold-threads.cc: Fix typo in error message.
3614         * archive.cc: Fix typos in comments.
3615         * archive.h: Likewise.
3616         * arm-reloc-property.cc: Likewise.
3617         * arm-reloc-property.h: Likewise.
3618         * arm-reloc.def: Likewise.
3619         * arm.cc: Likewise.
3620         * attributes.h: Likewise.
3621         * cref.cc: Likewise.
3622         * ehframe.cc: Likewise.
3623         * fileread.h: Likewise.
3624         * gold.h: Likewise.
3625         * i386.cc: Likewise.
3626         * icf.cc: Likewise.
3627         * incremental.h: Likewise.
3628         * int_encoding.cc: Likewise.
3629         * layout.h: Likewise.
3630         * main.cc: Likewise.
3631         * merge.h: Likewise.
3632         * object.cc: Likewise.
3633         * object.h: Likewise.
3634         * options.cc: Likewise.
3635         * readsyms.cc: Likewise.
3636         * reduced_debug_output.cc: Likewise.
3637         * reloc.cc: Likewise.
3638         * script-sections.cc: Likewise.
3639         * sparc.cc: Likewise.
3640         * symtab.h: Likewise.
3641         * target-reloc.h: Likewise.
3642         * target.cc: Likewise.
3643         * target.h: Likewise.
3644         * timer.cc: Likewise.
3645         * timer.h: Likewise.
3646         * x86_64.cc: Likewise.
3647
3648 2010-12-09  Cary Coutant  <ccoutant@google.com>
3649
3650         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3651         stack.
3652         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3653         parameter; change all callers.
3654         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3655         * options.h (warn_execstack): New option.
3656
3657 2010-12-07  Doug Kwan  <dougkwan@google.com>
3658
3659         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3660         like function call relocations.
3661
3662 2010-12-07  Ian Lance Taylor  <iant@google.com>
3663
3664         * archive.cc (Archive::get_elf_object_for_member): Permit
3665         punconfigured to be NULL.
3666         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3667         (Archive::include_member): Pass NULL to get_elf_object_for_member
3668         if we searched for the archive and this is the first included
3669         object.
3670
3671 2010-12-01  Ian Lance Taylor  <iant@google.com>
3672
3673         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3674         track_relocs_type_ field.
3675         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3676         Set track_relocs_type_.
3677         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3678         contents when using RELA relocs.
3679         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3680         reloc_map_.
3681         * reloc.cc (Track_relocs::next_addend): New function.
3682         * reloc.h (class Track_relocs): Declare next_addend.
3683
3684 2010-12-01  Ian Lance Taylor  <iant@google.com>
3685
3686         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3687         virtual destructor.
3688
3689 2010-12-01  Ian Lance Taylor  <iant@google.com>
3690
3691         * README: Update compilers known to work and fail.
3692
3693 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3694
3695         * configure.in: For --enable-gold, handle value `default' instead of
3696         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3697         not the default.
3698         * configure: Regenerate.
3699
3700 2010-11-18  Doug Kwan  <dougkwan@google.com>
3701
3702         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3703         and right_alignment to be zero.  Store result alignment only if it is
3704         greater than existing alignment.
3705
3706 2010-11-16  Cary Coutant  <ccoutant@google.com>
3707
3708         PR gold/12220
3709         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3710         Check for ".zdebug_line".
3711
3712 2010-11-16  Doug Kwan  <dougkwan@google.com>
3713             Cary Coutant  <ccoutant@google.com>
3714
3715         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3716         by reference; adjust all callers.
3717         * output.cc (Output_segment::set_section_addresses): Adjust references
3718         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3719         list is empty.
3720         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3721         end at page boundary.
3722
3723 2010-11-16  Cary Coutant  <ccoutant@google.com>
3724
3725         PR gold/12220
3726         * layout.cc (Layout::choose_output_section): Transform names of
3727         compressed sections even when using a script with a SECTIONS clause.
3728         (Layout::output_section_name): Remove code to transform
3729         compressed debug section names.
3730         * output.cc (Output_section::add_input_section): Use uncompressed
3731         section size when tracking input sections.
3732
3733 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3734
3735         * symtab.h (Symbol::NON_PIC_REF): Remove.
3736         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3737         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3738         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3739         (Symbol::use_plt_offset): Take a flags argument and pass it
3740         directly to needs_dynamic_reloc.  Restrict check for undefined
3741         weak symbols to function calls.
3742         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3743         (Target_arm::Scan::global): Use it.
3744         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3745         (Target_arm::Relocate::relocate): Likewise.
3746         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3747         parameter with an r_type parameter.  Use get_reference_flags
3748         to get the flags.
3749         (Target_arm::Relocate::relocate): Update accordingly.
3750         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3751         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3752         (Target_i386::Scan::global): Likewise.
3753         (Target_i386::Relocate::relocate): Likewise.
3754         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3755         parameter with an r_type parameter.  Use get_reference_flags
3756         to get the flags.
3757         (Target_i386::Relocate::relocate): Update accordingly.
3758         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3759         (Target_powerpc::Scan::global): Use it.
3760         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3761         (Target_powerpc::Relocate::relocate): Likewise.
3762         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3763         (Target_sparc::Scan::global): Use it.
3764         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3765         (Target_sparc::Relocate::relocate): Likewise.
3766         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3767         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3768         (Target_x86_64::Scan::global): Likewise.
3769         (Target_x86_64::Relocate::relocate): Likewise.
3770
3771 2010-11-08  Doug Kwan  <dougkwan@google.com>
3772             Cary Coutant  <ccoutant@google.com>
3773
3774         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3775         (Arm_exidx_merge_section::section_contents_): New data member.
3776         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3777         (Arm_input_section::~Arm_input_section): De-allocate memory.
3778         (Arm_input_section::original_contents_): New data member.
3779         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3780         in parameters instead of calling Object::section_contents without
3781         locking.
3782         (Arm_output_section::group_section): New parameter TASK.  Pass it
3783         to callees that need locking objects.
3784         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3785         to lock EXIDX input sections.  Fix a formatting issue.  Call
3786         Arm_exidx_merged_section::build_contents to create merged section
3787         contents.
3788         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3789         to lock object of stub table owner.
3790         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3791         TEXT_SIZE to initialize data member TEXT_SIZE_.
3792         (Arm_exidx_input_section::addralign): Fix typo in comment.
3793         (Arm_exidx_input_section::text_size): New method.
3794         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3795         that require locking objects.  Lock objects before scanning for stubs
3796         and updating local symbols.
3797         (Arm_input_section<big_endian>::init): Copy contents of original
3798         input section.
3799         (Arm_input_section<big_endian>::do_write): Use saved contents of
3800         original input section instead of calling Object::section_contents
3801         without locking.
3802         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3803         size without calling Object::section_size().
3804         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3805         for size.  Allocate a buffer for merged EXIDX entries.
3806         (Arm_exidx_merged_section::build_contents): New method.
3807         (Arm_exidx_merged_section::do_write): Move merge section contents
3808         building code to Arm_exidx_merged_section::build_contetns.  Write
3809         out contetns in buffer instead of building it on the fly.
3810         (Arm_relobj::make_exidx_input_section): Also pass text section size
3811         to Arm_exidx_input_section constructor.
3812         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3813         (Arm_dynobj::do_read_symbols): Fix memory leak.
3814         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3815         * target.h: (class Task): Add forward declaration.
3816         (Target::relax): Add new parameter TASK and pass it to
3817         Target::do_relax().
3818         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3819
3820 2010-11-05  Cary Coutant  <ccoutant@google.com>
3821
3822         PR gold/10708
3823         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3824         object when reading from the file.
3825         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3826         second layout pass.
3827         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3828         when reading section contents.
3829         (get_section_contents): Likewise.
3830         (icf::find_identical_sections): Likewise.
3831         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3832         object when reading from the file.
3833         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3834         the object when doing deferred section layout.
3835
3836 2010-11-03  Nick Clifton  <nickc@redhat.com>
3837
3838         PR gold/12001
3839         * script.h (class Symbol_assignment: name): New member.  Returns
3840         the name of the symbol.
3841         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3842         Returns true if the given symbol name is on the list of
3843         assignments wating to be processed.
3844         * archive.cc (should_incldue_member): If the symbol is undefined,
3845         check to see if it is on the list of symbols pending assignment.
3846
3847 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3848
3849         * script-sections.cc (Script_sections::find_memory_region): Check
3850         for a NULL output section pointer.
3851
3852 2010-10-29  Doug Kwan  <dougkwan@google.com>
3853
3854         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3855         Output_section::add_relaxed_input_section.
3856         * output.cc (Output_section::add_relaxed_input_section): Add new
3857         arguments LAYOUT and NAME.  Set section order index.
3858         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3859         Copy section order index.
3860         * output.h (Output_section::add_relaxed_input_section): Add new
3861         arguments LAYOUT and NAME.
3862
3863 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3864
3865         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3866         NATIVE_OR_CROSS_LINKER.
3867         * testsuite/Makefile.in: Regenerate.
3868
3869 2010-10-20  Doug Kwan  <dougkwan@google.com>
3870
3871         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3872         without SHF_LINK_ORDER flags.
3873         * layout.cc (Layout::choose_output_section): Do not filter
3874         SHF_LINK_ORDER flag in a relocatable link.
3875
3876 2010-10-17  Cary Coutant  <ccoutant@google.com>
3877
3878         * output.h (Output_segment::set_section_addresses): Change function
3879         signature.  Update all callers.
3880         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3881         sections.
3882         (Output_segment::set_section_addresses): Align after last TLS
3883         section.  Add padding before last relro section instead of after.
3884
3885 2010-10-17  Doug Kwan  <dougkwan@google.com>
3886
3887         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3888         GOT output section to be writable.
3889
3890 2010-10-14  Cary Coutant  <ccoutant@google.com>
3891
3892         * debug.h (DEBUG_INCREMENTAL): New flag.
3893         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3894         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3895         mode.
3896         * incremental.cc (report_command_line): Ignore all forms of
3897         --incremental.
3898         * layout.cc (Layout::Layout): Check parameters for incremental link
3899         mode.
3900         * options.cc (General_options::parse_incremental): New function.
3901         (General_options::parse_no_incremental): New function.
3902         (General_options::parse_incremental_full): New function.
3903         (General_options::parse_incremental_update): New function.
3904         (General_options::incremental_mode_): New data member.
3905         (General_options::finalize): Check incremental_mode_.
3906         * options.h (General_options): Update help text for --incremental.
3907         Add --no-incremental, --incremental-full, --incremental-update.
3908         (General_options::Incremental_mode): New enum type.
3909         (General_options::incremental_mode): New function.
3910         (General_options::incremental_mode_): New data member.
3911         * parameters.cc (Parameters::incremental_mode_): New data member.
3912         (Parameters::set_options): Set incremental_mode_.
3913         (Parameters::set_incremental_full): New function.
3914         (Parameters::incremental): New function.
3915         (Parameters::incremental_update): New function.
3916         (set_parameters_incremental_full): New function.
3917         * parameters.h (Parameters::set_incremental_full): New function.
3918         (Parameters::incremental): New function.
3919         (Parameters::incremental_update): New function.
3920         (Parameters::incremental_mode_): New data member.
3921         (set_parameters_incremental_full): New function.
3922         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3923         incremental link mode.
3924         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3925         (Sized_relobj::do_relocate_sections): Likewise.
3926         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3927         option.
3928         * testsuite/Makefile.in: Regenerate.
3929         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3930
3931 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3932
3933         * script-sections.h (class Script_sections): Make
3934         Sections_elements typedef public.
3935         * script-sections.cc (class Sort_output_sections): Add elements_
3936         field.  Add constructor which sets it; change all callers.
3937         (Sort_output_sections::is_before): New function.
3938         (Sort_output_sections::operator()): Call is_before.
3939         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3940         conditional.
3941         * testsuite/script_test_10.sh: New test. Test script section
3942         order.
3943         * testsuite/script_test_10.t: Likewise.
3944         * testsuite/script_test_10.s: Likewise.
3945         * testsuite/Makefile.am: Wrap the cross linker tests and the
3946         common tests into NATIVE_OR_CROSS_LINKER.
3947         (check_SCRIPTS): Add script_test_10.sh.
3948         (check_DATA): Add script_test_10.stdout.
3949         (script_test_10.o, script_test_10): New targets.
3950         (script_test_10.stdout): New target.
3951         * configure, testsuite/Makefile.in: Regenerate.
3952
3953 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3954
3955         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3956         error for the deprecated relocations.
3957         (Target_arm::Scan::global): Likewise.
3958         (Target_arm::Relocate::relocate): Likewise.
3959
3960 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3961
3962         * fileread.cc (Input_file::find_file): Initialize *found_name
3963         and *namep when using the fallback search for case 4.
3964
3965 2010-10-11  Cary Coutant  <ccoutant@google.com>
3966
3967         * options.h (class General_options): Redefine -z lazy as an alias for
3968         the negation of -z now.
3969
3970 2010-10-11  Ian Lance Taylor  <iant@google.com>
3971
3972         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3973         binding.
3974
3975 2010-10-06  Nick Clifton  <nickc@redhat.com>
3976
3977         * script-sections.cc(class Memory_region): Remove
3978         current_lma_offset_ field.  Rename current_vma_offset_ to
3979         current_offset_.  Add last_section_ field.
3980         (Memory_region::get_current_vma_address): Rename to
3981         get_current_address.
3982         (Memory_region::get_current_lma_address): Delete.
3983         (Memory_region::increment_vma_offset): Rename to
3984         increment_offset.
3985         (Memory_region::increment_lma_offset): Delete.
3986         (Memory_region::attributes_compatible): New method.  Returns
3987         true if the provided section is compatible with the region.
3988         (Memory_region::get_last_section): New method.  Returns the last
3989         section to use the region.
3990         (Memory_region::set_last_section): New method.  Stores the last
3991         section to use the region.
3992         (Script_sections::block_in_region): New method.  Returns true if
3993         a block of memory is contained within a region.
3994         (Script_sections::find_memory_region): New method.  Locates a
3995         memory region to be used to set a VMA or LMA address.
3996         (Output_section_definition::set_section_addresses): Add code to
3997         check for addresses set by memory regions.
3998         (Output_segment::set_section_addresses): Remove memory region
3999         walking code.
4000         (Script_sections::create_segment): Add a warning if a header
4001         segment is created outside of any region.
4002         * script-sections.h (class Script_sections): Add prototypes for
4003         find_memory_region and block_in_region methods.
4004         * testsuite/memory_test.s: Use .long instead of .word.
4005         * testsuite/memory_test.t: Add some more output sections.
4006         * testsuite/memory_test.sh: Update expected output.
4007
4008 2010-10-02  Doug Kwan  <dougkwan@google.com>
4009
4010         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4011         defintion to symtab.h
4012         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4013         declaration to defintion.
4014
4015 2010-10-01  Nick Clifton  <nickc@redhat.com>
4016
4017         * expression.cc (eval): Replace dummy argument with NULL.
4018         (eval_maybe_dot): Check for a NULL result section pointer.
4019         (Symbol_expression::value): Likewise.
4020         (Dot_expression::value): Likewise.
4021         (BINARY_EXPRESSION): Likewise.
4022         (Max_expression::value): Likewise.
4023         (Min_expression::value): Likewise.
4024         (Absolute_expression::value): Likewise.
4025         (Addr_expression::value_from_output_section): Likewise.
4026         (Loaddddr_expression::value_from_output_section): Likewise.
4027         (Segment_start_expression::value): Likewise.
4028         * script-sections.cc
4029         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4030         argument with NULL.
4031         (Sections_elememt_dot_assignment::set_section_addresses):
4032         Likewise.
4033         (Output_data_expression::do_write_to_buffer): Likewise.
4034         (Output_section_definition::finalize_symbols): Likewise.
4035         (Output_section_definition::set_section_addresses): Likewise.
4036
4037 2010-09-30  Doug Kwan  <dougkwan@google.com>
4038
4039         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4040
4041 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4042
4043         * target.h (Target::can_icf_inline_merge_sections): New virtual
4044         function.
4045         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4046         virtual function.
4047         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4048         virtual function.
4049         * icf.cc (get_section_contents): Inline merge sections only when
4050         target allows it.
4051
4052 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4053
4054         * configure: Regenerate.
4055
4056 2010-09-17  Ian Lance Taylor  <iant@google.com>
4057
4058         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4059         * testsuite/Makefile.am (memory_test.o): New target.
4060         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4061         memory_test.t.
4062         * testsuite/Makefile.in: Rebuild.
4063
4064 2010-09-17  Doug Kwan  <dougkwan@google.com>
4065
4066         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4067         defintion if relocation uses GOT entries of the symbol.
4068         * testsuite/icf_safe_test.sh: Fix test.
4069         * testsuite/icf_safe_so_test.sh: Fix test.
4070
4071 2010-09-16  Cary Coutant  <ccoutant@google.com>
4072
4073         * script_sections.cc (class Memory_region): Remove "NULL" from
4074         vector initializations.
4075
4076 2010-09-15  Cary Coutant  <ccoutant@google.com>
4077
4078         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4079         Resolve forwarding symbols.
4080
4081 2010-09-15  Doug Kwan  <dougkwan@google.com>
4082
4083         * gold/testsuite/script_test_3.t: Add ARM special sections.
4084         * gold/testsuite/script_test_4.t: Same.
4085         * gold/testsuite/script_test_5.t: Same.
4086         * gold/testsuite/script_test_6.t: Same.
4087         * gold/testsuite/script_test_7.t: Same.
4088         * gold/testsuite/script_test_7.t: Same.
4089         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4090
4091 2010-09-14  Cary Coutant  <ccoutant@google.com>
4092
4093         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4094         (Target_x86_64::Relocate::relocate_tls): Replace check for
4095         saw_tls_block_reloc_ with test for executable section.
4096
4097 2010-09-12  Cary Coutant  <ccoutant@google.com>
4098
4099         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4100         position-independent executables to shared libraries need dynamic
4101         relocations.
4102         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4103         position-independent executables.
4104         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4105         * testsuite/Makefile.in: Regenerate.
4106
4107 2010-09-10  Nick Clifton  <nickc@redhat.com>
4108
4109         PR gold/11997
4110         * testsuite/memory_test.t: Discard any sections that are not
4111         needed.
4112
4113 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4114
4115         PR gold/11996
4116         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4117         "This::" to work around a bug in gcc 4.2.
4118
4119         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4120
4121 2010-09-09  Rafael Espindola  <espindola@google.com>
4122
4123         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4124         sections with different PF_X flags in the same segment.
4125         (Layout::find_first_load_seg): Search all segments to find the first
4126         one.
4127         * options.h (rosegment): New.
4128
4129 2010-09-08  Rafael Espindola  <espindola@google.com>
4130
4131         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4132
4133 2010-09-08  Doug Kwan  <dougkwan@google.com>
4134
4135         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4136         (Arm_relobj::do_relocate_sections): Add new parameter for output
4137         file to match the parent.
4138         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4139         of local symbols instead of input values.  Update code to track
4140         changes in gold::relocate_section.
4141         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4142         (Sized_relobj::compute_final_local_value_internal): New methods.
4143         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4144         body into private version of Sized_relobj::compute_final_local_value.
4145         Call the inline method.
4146         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4147         merged symbol value if there is one.
4148         (Symbol_value::has_output_value): New method defintiion.
4149         (Sized_relobj::Compute_final_local_value_status): New enum type.
4150         (Sized_relobj::compute_final_local_value): New methods.
4151         (Sized_relobj::compute_final_local_value_internal): New methods.
4152         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4153         and arm_cortex_a8.sh.
4154         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4155         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4156         New tests.
4157         * Makefile.in: Regenerate.
4158         * testsuite/arm_bl_out_of_range.s: Update test.
4159         * testsuite/thumb_bl_out_of_range.s: Ditto.
4160         * testsuite/thumb_blx_out_of_range.s: Ditto.
4161         * testsuite/arm_branch_out_of_range.sh: New file.
4162         * testsuite/arm_cortex_a8.sh: Ditto.
4163         * testsuite/arm_cortex_a8_b.s: Ditto.
4164         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4165         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4166         * testsuite/arm_cortex_a8_bl.s: Ditto.
4167         * testsuite/arm_cortex_a8_blx.s: Ditto.
4168         * testsuite/arm_cortex_a8_local.s: Ditto.
4169         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4170         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4171
4172 2010-09-08  Rafael Espindola  <espindola@google.com>
4173
4174         * Makefile.am (memory_test.stdout): Run readelf with -W.
4175         * Makefile.in: Regenerate.
4176         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4177         64 bit output.
4178
4179 2010-09-08  Rafael Espindola  <espindola@google.com>
4180
4181         * script-sections.cc (Script_sections::add_memory_region): Convert
4182         field precision to int.
4183         * script.cc (script_set_section_region, script_set_section_region):
4184         Convert field precision to int.
4185
4186 2010-09-08  Rafael Espindola  <espindola@google.com>
4187
4188         * arm.cc (do_finalize_sections): Create the __exidx_start and
4189         __exdix_end symbols even when the section is missing.
4190
4191 2010-09-08  Nick Clifton  <nickc@redhat.com>
4192
4193         * README: Remove claim that MEMORY is not supported.
4194         * expression.cc (script_exp_function_origin)
4195         (script_exp_function_length): Move from here to ...
4196         * script.cc: ... here.
4197         (script_set_section_region, script_add_memory)
4198         (script_parse_memory_attr, script_include_directive): New
4199         functions.
4200         * script-sections.cc
4201         (class Memory_region): New class.
4202         (class Output_section_definition): Add set_memory_region,
4203         set_section_vma, set_section_lma and get_section_name methods.
4204         (class Script_Sections): Add add_memory_region,
4205         find_memory_region, find_memory_region_origin,
4206         find_memory_region_length and set_memory_region methods.
4207         Have set_section_addresses method walk the list of set memory
4208         regions.
4209         Extend the print methos to display memory regions.
4210         * script-sections.h: Add prototypes for new methods.
4211         Add enum for MEMORY region attributes.
4212         * yyscript.y: Add support for parsing MEMORY regions.
4213         * script-c.h: Add prototypes for new functions.
4214         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4215         * testsuite/Makefile.in: Regenerate.
4216         * testsuite/memory_test.sh: New script.
4217         * testsuite/memory_test.s: New assembler source file.
4218         * testsuite/memory_test.t: New linker script.
4219
4220 2010-08-27  Doug Kwan  <dougkwan@google.com>
4221
4222         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4223         reference override an existing dynamic weak reference.
4224         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4225         * testsuite/Makefile.in: Regenerate.
4226         * testsuite/dyn_weak_ref.sh: New file.
4227         * testsuite/dyn_weak_ref_1.c: Ditto.
4228         * testsuite/dyn_weak_ref_2.c: Ditto.
4229
4230 2010-08-27  Ian Lance Taylor  <iant@google.com>
4231
4232         * incremental.h (class Incremental_input_entry): Add virtual
4233         destructor.
4234
4235 2010-08-27  Ian Lance Taylor  <iant@google.com>
4236
4237         * testsuite/start_lib_test_3.c: Mark t3 as used.
4238
4239 2010-08-27  Nick Clifton  <nickc@redhat.com>
4240
4241         * options.cc (version_script): Fix small typo in previous
4242         whitespace tidyup.
4243
4244 2010-08-25  Nick Clifton  <nickc@redhat.com>
4245
4246         * archive.cc: Formatting fixes: Remove whitespace between
4247         typename and following asterisk.  Remove whitespace between
4248         function name and opening parenthesis.
4249         * archive.h: Likewise.
4250         * arm.cc: Likewise.
4251         * attributes.cc: Likewise.
4252         * attributes.h: Likewise.
4253         * common.cc: Likewise.
4254         * copy-relocs.cc: Likewise.
4255         * dirsearch.h: Likewise.
4256         * dynobj.cc: Likewise.
4257         * ehframe.cc: Likewise.
4258         * ehframe.h: Likewise.
4259         * expression.cc: Likewise.
4260         * fileread.cc: Likewise.
4261         * fileread.h: Likewise.
4262         * gc.h: Likewise.
4263         * gold-threads.cc: Likewise.
4264         * gold.cc: Likewise.
4265         * i386.cc: Likewise.
4266         * icf.h: Likewise.
4267         * incremental-dump.cc: Likewise.
4268         * incremental.cc: Likewise.
4269         * layout.cc: Likewise.
4270         * layout.h: Likewise.
4271         * main.cc: Likewise.
4272         * merge.cc: Likewise.
4273         * merge.h: Likewise.
4274         * object.cc: Likewise.
4275         * object.h: Likewise.
4276         * options.cc: Likewise.
4277         * options.h: Likewise.
4278         * output.cc: Likewise.
4279         * output.h: Likewise.
4280         * plugin.cc: Likewise.
4281         * plugin.h: Likewise.
4282         * powerpc.cc: Likewise.
4283         * reloc.cc: Likewise.
4284         * script-c.h: Likewise.
4285         * script-sections.cc: Likewise.
4286         * script.cc: Likewise.
4287         * stringpool.cc: Likewise.
4288         * symtab.cc: Likewise.
4289         * symtab.h: Likewise.
4290         * target.cc: Likewise.
4291         * timer.cc: Likewise.
4292         * timer.h: Likewise.
4293         * version.cc: Likewise.
4294         * x86_64.cc: Likewise.
4295
4296 2010-08-24  Nick Clifton  <nickc@redhat.com>
4297
4298         PR 11899
4299         * layout.cc (segment_precedes): Sort segments by their physical
4300         addresses, if they have been set.
4301
4302 2010-08-23  Cary Coutant  <ccoutant@google.com>
4303
4304         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4305         symbols data.
4306         (Lib_group::include_member): Unlock object after deleting its
4307         symbols data.
4308         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4309         the bug fixed here.
4310
4311 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4312             Cary Coutant  <ccoutant@google.com>
4313
4314         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4315         constructor, and set_blocker.
4316         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4317         readsyms_blocker_.
4318         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4319         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4320         * testsuite/Makefile.am (start_lib_test): New test case.
4321         * testsuite/Makefile.in: Regenerate.
4322         * testsuite/start_lib_test_main.c: New file.
4323         * testsuite/start_lib_test_1.c: New file.
4324         * testsuite/start_lib_test_2.c: New file.
4325         * testsuite/start_lib_test_3.c: New file.
4326
4327 2010-08-19  Ian Lance Taylor  <iant@google.com>
4328
4329         * Makefile.in: Rebuild with automake 1.11.1.
4330         * aclocal.m4: Likewise.
4331         * testsuite/Makefile.in: Likewise.
4332
4333 2010-08-19  Ian Lance Taylor  <iant@google.com>
4334
4335         PR 10893
4336         * i386.cc (class Output_data_plt_i386): Update declarations.
4337         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4338         local_ifuncs_ fields.
4339         (Target_i386::do_plt_section_for_global): New function.
4340         (Target_i386::do_plt_section_for_local): New function.
4341         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4342         parameter; change all callers.  Initialize global_ifuncs_ and
4343         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4344         __rel_iplt_end.
4345         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4346         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4347         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4348         symbols.
4349         (Target_i386::make_plt_section): New function, broken out of
4350         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4351         (Target_i386::make_plt_entry): Call make_plt_section.
4352         (Target_i386::make_local_ifunc_plt_entry): New function.
4353         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4354         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4355         R_386_IRELATIVE to switch.
4356         (Target_i386::Scan::global): Likewise.
4357         (Target_i386::Relocate::relocate): Likewise.
4358         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4359         switch.
4360         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4361         (Target_x86_64::do_plt_section_for_global): New function.
4362         (Target_x86_64::do_plt_section_for_local): New function.
4363         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4364         parameter; change all callers.  If doing a static link define
4365         __rela_iplt_start and __rela_iplt_end.
4366         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4367         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4368         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4369         to point to .plt.
4370         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4371         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4372         switch.
4373         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4374         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4375         R_X86_64_IRELATIVE to switch.
4376         (Target_x86_64::Scan::global): Likewise.
4377         (Target_x86_64::Relocate::relocate): Likewise.
4378         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4379         switch.
4380         * target.h (class Target): Add plt_section_for_global and
4381         plt_section_for_local functions.  Add do_plt_section_for_global
4382         and do_plt_section_for_local virtual functions.
4383         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4384         clarifying comments.
4385         (Symbol::use_plt_offset): Handle IFUNC symbol.
4386         * object.cc (Sized_relobj::Sized_relobj): Initialize
4387         local_plt_offsets_.
4388         (Sized_relobj::local_has_plt_offset): New function.
4389         (Sized_relobj::local_plt_offset): New function.
4390         (Sized_relobj::set_local_plt_offset): New function.
4391         (Sized_relobj::do_count): Handle IFUNC symbol.
4392         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4393         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4394         is_ifunc_symbol functions.
4395         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4396         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4397         local_plt_offsets_ field.
4398         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4399         * output.h (class Output_section_data): Add non-const
4400         output_section function.
4401         (class Output_data_got): Update declarations.
4402         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4403         Add use_plt_offset parameter to global and local constructors.
4404         Change all callers.  Change local_sym_index_ field to 31 bits.
4405         Change GSYM_CODE and CONSTANT_CODE accordingly.
4406         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4407         doing a static link don't set sh_link field.
4408         (Output_data_got::Got_entry::write): Use PLT offset if
4409         appropriate.
4410         (Output_data_got::add_global_plt): New function.
4411         (Output_data_got::add_local_plt): New function.
4412         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4413         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4414         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4415         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4416         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4417         IFUNC conditional.
4418         * testsuite/ifunc-sel.h: New file.
4419         * testsuite/ifuncmain1.c: New file.
4420         * testsuite/ifuncmain1vis.c: New file.
4421         * testsuite/ifuncmod1.c: New file.
4422         * testsuite/ifuncdep2.c: New file.
4423         * testsuite/ifuncmain2.c: New file.
4424         * testsuite/ifuncmain3.c: New file.
4425         * testsuite/ifuncmod3.c: New file.
4426         * testsuite/ifuncmain4.c: New file.
4427         * testsuite/ifuncmain5.c: New file.
4428         * testsuite/ifuncmod5.c: New file.
4429         * testsuite/ifuncmain6pie.c: New file.
4430         * testsuite/ifuncmod6.c: New file.
4431         * testsuite/ifuncmain7.c: New file.
4432         * configure, testsuite/Makefile.in: Rebuild.
4433
4434 2010-08-18  Ian Lance Taylor  <iant@google.com>
4435
4436         * incremental.cc
4437         (Output_section_incremental_inputs::write_input_files): Add cast
4438         to avoid signed/unsigned comparison warning.
4439         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4440
4441 2010-08-12  Cary Coutant  <ccoutant@google.com>
4442
4443         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4444
4445 2010-08-13  Ian Lance Taylor  <iant@google.com>
4446
4447         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4448
4449 2010-08-12  Cary Coutant  <ccoutant@google.com>
4450             Doug Kwan  <dougkwan@google.com>
4451
4452         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4453         defintion overrides non-weak undef, remember that the original undef
4454         is not weak.
4455         * symtab.cc (Symbol_table::sized_write_global): For undef without
4456         an original weak binding, set binding to global in output.
4457         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4458         * testsuite/Makefile.in: Regenerate.
4459         * testsuite/strong_ref_weak_def.sh: New file.
4460         * testsuite/strong_ref_weak_def_1.c: Ditto.
4461         * testsuite/strong_ref_weak_def_2.c: Ditto.
4462
4463 2010-08-12  Cary Coutant  <ccoutant@google.com>
4464
4465         * testsuite/incremental_test.sh: Rewrite.
4466         * testsuite/incremental_test_1.c: Rewrite.
4467         * testsuite/incremental_test_2.c: Rewrite.
4468
4469 2010-08-12  Cary Coutant  <ccoutant@google.com>
4470
4471         * arm.cc (Target_arm::got_size): Add const.
4472         (Target_arm::got_entry_count): New function.
4473         (Target_arm::plt_entry_count): New function.
4474         (Target_arm::first_plt_entry_offset): New function.
4475         (Target_arm::plt_entry_size): New function.
4476         (Output_data_plt_arm::entry_count): New function.
4477         (Output_data_plt_arm::first_plt_entry_offset): New function.
4478         (Output_data_plt_arm::get_plt_entry_size): New function.
4479         * i386.cc (Target_i386::got_size): Add const.
4480         (Target_i386::got_entry_count): New function.
4481         (Target_i386::plt_entry_count): New function.
4482         (Target_i386::first_plt_entry_offset): New function.
4483         (Target_i386::plt_entry_size): New function.
4484         (Output_data_plt_i386::entry_count): New function.
4485         (Output_data_plt_i386::first_plt_entry_offset): New function.
4486         (Output_data_plt_i386::get_plt_entry_size): New function.
4487         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4488         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4489         * incremental.cc: Include target.h.
4490         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4491         parameter.  Adjust all callers.  Find incremental_got_plt section.
4492         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4493         section.
4494         (Output_section_incremental_inputs::set_final_data_size): Calculate
4495         size of incremental_got_plt section.
4496         (Output_section_incremental_inputs::do_write): Write the
4497         incremental_got_plt section.
4498         (Got_plt_view_info): New struct.
4499         (Local_got_offset_visitor): New class.
4500         (Global_got_offset_visitor): New class.
4501         (Global_symbol_visitor_got_plt): New class.
4502         (Output_section_incremental_inputs::write_got_plt): New function.
4503         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4504         Add parameter.  Adjust all callers.
4505         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4506         (Incremental_inputs::got_plt_section): New function.
4507         (Incremental_inputs::got_plt_section_): New data member.
4508         (Incremental_got_plt_reader): New class.
4509         * layout.cc (Layout::create_incremental_info_sections): Add the
4510         incremental_got_plt section.
4511         * object.h (Got_offset_list::get_list): New function.
4512         (Got offset_list::for_all_got_offsets): New function.
4513         (Sized_relobj::local_got_offset_list): New function.
4514         * powerpc.cc (Target_powerpc::got_size): Add const.
4515         (Target_powerpc::got_entry_count): New function.
4516         (Target_powerpc::plt_entry_count): New function.
4517         (Target_powerpc::first_plt_entry_offset): New function.
4518         (Target_powerpc::plt_entry_size): New function.
4519         (Output_data_plt_powerpc::entry_count): New function.
4520         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4521         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4522         * sparc.cc (Target_sparc::got_size): Add const.
4523         (Target_sparc::got_entry_count): New function.
4524         (Target_sparc::plt_entry_count): New function.
4525         (Target_sparc::first_plt_entry_offset): New function.
4526         (Target_sparc::plt_entry_size): New function.
4527         (Output_data_plt_sparc::entry_count): New function.
4528         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4529         (Output_data_plt_sparc::get_plt_entry_size): New function.
4530         * symtab.h (Symbol::got_offset_list): New function.
4531         (Symbol_table::for_all_symbols): New function.
4532         * target.h (Sized_target::got_entry_count): New function.
4533         (Sized_target::plt_entry_count): New function.
4534         (Sized_target::plt_entry_size): New function.
4535         * x86_64.cc (Target_x86_64::got_size): Add const.
4536         (Target_x86_64::got_entry_count): New function.
4537         (Target_x86_64::plt_entry_count): New function.
4538         (Target_x86_64::first_plt_entry_offset): New function.
4539         (Target_x86_64::plt_entry_size): New function.
4540         (Output_data_plt_x86_64::entry_count): New function.
4541         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4542         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4543
4544 2010-08-12  Cary Coutant  <ccoutant@google.com>
4545
4546         * archive.cc: Include incremental.h.
4547         (Archive::Archive): Initialize incremental_info_.
4548         (Archive::include_member): Record archive members in incremental info.
4549         (Add_archive_symbols::run): Record begin and end of an archive in
4550         incremental info.
4551         (Lib_group::include_member): Record objects in incremental info.
4552         * archive.h (Incremental_archive_entry): Forward declaration.
4553         (Archive::set_incremental_info): New member function.
4554         (Archive::incremental_info): New member function.
4555         (Archive::Unused_symbol_iterator): New class.
4556         (Archive::unused_symbols_begin): New member function.
4557         (Archive::unused_symbols_end): New member function.
4558         (Archive::incremental_info_): New data member.
4559         * incremental-dump.cc (find_input_containing_global): New function.
4560         (dump_incremental_inputs): Dump new incremental info sections.
4561         * incremental.cc: Include symtab.h.
4562         (Output_section_incremental_inputs): New class.
4563         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4564         new incremental info sections.
4565         (Sized_incremental_binary::do_check_inputs): Likewise.
4566         (Incremental_inputs::report_archive): Remove.
4567         (Incremental_inputs::report_archive_begin): New function.
4568         (Incremental_inputs::report_archive_end): New function.
4569         (Incremental_inputs::report_object): New function.
4570         (Incremental_inputs::finalize_inputs): Remove.
4571         (Incremental_inputs::report_input_section): New function.
4572         (Incremental_inputs::report_script): Rewrite.
4573         (Incremental_inputs::finalize): Do nothing but finalize string table.
4574         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4575         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4576         (Incremental_inputs::create_data_sections): New function.
4577         (Incremental_inputs::relocs_entsize): New function.
4578         (Output_section_incremental_inputs::set_final_data_size): New function.
4579         (Output_section_incremental_inputs::do_write): New function.
4580         (Output_section_incremental_inputs::write_header): New function.
4581         (Output_section_incremental_inputs::write_input_files): New function.
4582         (Output_section_incremental_inputs::write_info_blocks): New function.
4583         (Output_section_incremental_inputs::write_symtab): New function.
4584         * incremental.h (Incremental_script_entry): Forward declaration.
4585         (Incremental_object_entry): Forward declaration.
4586         (Incremental_archive_entry): Forward declaration.
4587         (Incremental_inputs): Forward declaration.
4588         (Incremental_inputs_header_data): Remove.
4589         (Incremental_inputs_header): Remove.
4590         (Incremental_inputs_header_write): Remove.
4591         (Incremental_inputs_entry_data): Remove.
4592         (Incremental_inputs_entry): Remove.
4593         (Incremental_inputs_entry_write): Remove.
4594         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4595         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4596         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4597         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4598         Likewise.
4599         (Incremental_input_entry): New class.
4600         (Incremental_script_entry): New class.
4601         (Incremental_object_entry): New class.
4602         (Incremental_archive_entry): New class.
4603         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4604         (Incremental_inputs::report_inputs): Remove.
4605         (Incremental_inputs::report_archive): Remove.
4606         (Incremental_inputs::report_archive_begin): New function.
4607         (Incremental_inputs::report_archive_end): New function.
4608         (Incremental_inputs::report_object): Change prototype.
4609         (Incremental_inputs::report_input_section): New function.
4610         (Incremental_inputs::report_script): Change prototype.
4611         (Incremental_inputs::get_reloc_count): New function.
4612         (Incremental_inputs::set_reloc_count): New function.
4613         (Incremental_inputs::create_data_sections): New function.
4614         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4615         (Incremental_inputs::inputs_section): New function.
4616         (Incremental_inputs::symtab_section): New function.
4617         (Incremental_inputs::relocs_section): New function.
4618         (Incremental_inputs::get_stringpool): Add const.
4619         (Incremental_inputs::command_line): Add const.
4620         (Incremental_inputs::inputs): Remove.
4621         (Incremental_inputs::command_line_key): New function.
4622         (Incremental_inputs::input_file_count): New function.
4623         (Incremental_inputs::input_files): New function.
4624         (Incremental_inputs::relocs_entsize): New function.
4625         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4626         (Incremental_inputs::finalize_inputs): Remove.
4627         (Incremental_inputs::Input_info): Remove.
4628         (Incremental_inputs::lock_): Remove.
4629         (Incremental_inputs::inputs_): Change type.
4630         (Incremental_inputs::inputs_map_): Remove.
4631         (Incremental_inputs::current_object_entry_): New data member.
4632         (Incremental_inputs::inputs_section_): New data member.
4633         (Incremental_inputs::symtab_section_): New data member.
4634         (Incremental_inputs::relocs_section_): New data member.
4635         (Incremental_inputs::reloc_count_): New data member.
4636         (Incremental_inputs_reader): New class.
4637         (Incremental_symtab_reader): New class.
4638         (Incremental_relocs_reader): New class.
4639         * layout.cc (Layout::finalize): Move finalization of incremental info
4640         and creation of incremental info sections to follow finalization of
4641         symbol table.  Set offsets for postprocessing sections.
4642         (Layout::create_incremental_info_sections): Call
4643         Incremental_inputs::create_data_sections.  Add incremental symtab
4644         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4645         sections to layout after input sections.
4646         * layout.h (struct Timespec): Forward declaration.
4647         (Layout::incremental_inputs): Add const.
4648         (Layout::create_incremental_info_sections): Add parameter.
4649         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4650         * object.cc: Include incremental.h.
4651         (Relobj::finalize_incremental_relocs): New function.
4652         (Sized_relobj::do_layout): Record input sections in incremental info.
4653         * object.h (Object::output_section): New function.
4654         (Object::output_section_offset): Moved from Relobj.
4655         (Object::get_incremental_reloc_base): New function.
4656         (Object::get_incremental_reloc_count): New function.
4657         (Object::do_output_section): New function.
4658         (Object::do_output_section_offset): Moved from Relobj.
4659         (Object::do_get_incremental_reloc_base): New function.
4660         (Object::do_get_incremental_reloc_count): New function.
4661         (Object::Object): Initialize new data members.
4662         (Relobj::output_section): Renamed do_output_section and moved to
4663         protected.
4664         (Relobj::output_section_offset): Moved to Object.
4665         (Relobj::do_get_incremental_reloc_base): New function.
4666         (Relobj::do_get_incremental_reloc_count): New function.
4667         (Relobj::allocate_incremental_reloc_counts): New function.
4668         (Relobj::count_incremental_reloc): New function.
4669         (Relobj::finalize_incremental_relocs): New function.
4670         (Relobj::next_incremental_reloc_index): New function.
4671         (Relobj::reloc_counts_): New data member.
4672         (Relobj::reloc_bases_): New data member.
4673         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4674         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4675         (Sized_relobj::incremental_relocs_scan): New function.
4676         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4677         (Sized_relobj::incremental_relocs_write): New function.
4678         (Sized_relobj::incremental_relocs_write_reltype): New function.
4679         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4680         incremental link.
4681         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4682         archives and object files elsewhere.
4683         (Add_symbols::run): Report object files here.
4684         (Finish_group::run): Report end of archive at end of group.
4685         * reloc.cc: Include layout.h, incremental.h.
4686         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4687         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4688         (Sized_relobj::incremental_relocs_scan): New function.
4689         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4690         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4691         (Sized_relobj::incremental_relocs_write): New function.
4692         (Sized_relobj::incremental_relocs_write_reltype): New function.
4693         * script.cc (read_input_script): Rewrite test for incremental link.
4694         Change call to Incremental_inputs::report_script.
4695         * symtab.h (Symbol_table::first_global_index): New function.
4696         (Symbol_table::output_count): New function.
4697
4698 2010-08-12  Doug Kwan  <dougkwan@google.com>
4699
4700         * arm.cc (Target_arm::merge_object_attributes): Check command line
4701         options --no-wchar-size-warning and --no-enum-size-warning.
4702         * options.h (General_options): Add ld-compatible options
4703         --no-enum-size-warning and --no-wchar-size-warning.
4704
4705 2010-08-04  Ian Lance Taylor  <iant@google.com>
4706
4707         * x86_64.cc (Target_x86_64::Scan::local): Use
4708         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4709         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4710         (Target_x86_64::Scan::global): Likewise.
4711         (Target_x86_64::Relocate::relocate): Likewise.
4712         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4713         Likewise.
4714
4715 2010-08-03  Cary Coutant  <ccoutant@google.com>
4716
4717         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4718         to reserve space in merged_strings vector. Keep total input size
4719         for stats.
4720         (Output_merge_string::do_print_merge_stats): Print total input size.
4721         * merge.h (Output_merge_string): Add input_size_ field.
4722         * stringpool.cc (Stringpool_template::string_length): Move
4723         implementations out of Stringpool_template class and place in
4724         stringpool.h.
4725         * stringpool.h (string_length): Move out of Stringpool_template.
4726
4727 2010-08-03  Ian Lance Taylor  <iant@google.com>
4728
4729         PR 11712
4730         * layout.cc (relaxation_loop_body): If address of load segment is
4731         set, adjust address to include headers if possible.
4732
4733 2010-08-03  Ian Lance Taylor  <iant@google.com>
4734
4735         * version.cc (version_string): Bump to 1.10.
4736
4737 2010-08-03  Ian Lance Taylor  <iant@google.com>
4738
4739         PR 11805
4740         * layout.h (enum Output_section_order): Define.
4741         (class Layout): Update declarations.
4742         * layout.cc (Layout::get_output_section): Add order parameter.
4743         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4744         is_first_non_relro parameters.  Change all callers.
4745         (Layout::choose_output_section): Likewise.
4746         (Layout::add_output_section_data): Likewise.
4747         (Layout::make_output_section): Likewise.  Set order.
4748         (Layout::default_section_order): New function.
4749         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4750         * output.cc (Output_section::Output_section): Initialize order_.
4751         Don't initialize deleted fields.
4752         (Output_segment::Output_segment): Don't initialize deleted
4753         fields.
4754         (Output_segment::add_output_section_to_load): New function
4755         replacing add_output_section.  Change all callers to call this or
4756         add_output_section_to_nonload.
4757         (Output_segment::add_output_section_to_nonload): New function.
4758         (Output_segment::remove_output_section): Rewrite.
4759         (Output_segment::add_initial_output_data): Likewise.
4760         (Output_segment::has_any_data_sections): Likewise.
4761         (Output_segment::is_first_section_relro): Likewise.
4762         (Output_segment::maximum_alignment): Likewise.
4763         (Output_segment::has_dynamic_reloc): New function replacing
4764         dynamic_reloc_count.  Change all callers.
4765         (Output_segment::has_dynamic_reloc_list): New function replacing
4766         dynamic_reloc_count_list.  Change all callers.
4767         (Output_segment::set_section_addresses): Rewrite.
4768         (Output_segment::set_offset): Rewrite.
4769         (Output_segment::find_first_and_last_list): Remove.
4770         (Output_segment::set_tls_offsets): Rewrite.
4771         (Output_segment::first_section_load_address): Likewise.
4772         (Output_segment::output_section_count): Likewise.
4773         (Output_segment::section_with_lowest_load_address): Likewise.
4774         (Output_segment::write_section_headers): Likewise.
4775         (Output_segment::print_sections_to_map): Likewise.
4776         * output.h (class Output_data): Remove dynamic_reloc_count_
4777         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4778         (Output_data::add_dynamic_reloc): Rewrite.
4779         (Output_data::has_dynamic_reloc): New function.
4780         (Output_data::dynamic_reloc_count): Remove.
4781         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4782         is_last_relro_, is_first_non_relro_, is_interp_,
4783         is_dynamic_linker_section_ fields.  Add order and set_order
4784         functions.  Remove is_relro_local, set_is_relro_local,
4785         is_last_relro, set_is_last_relro, is_first_non_relro,
4786         set_is_first_non_relro functions, is_interp, set_is_interp,
4787         is_dynamic_linker_section, and set_is_dynamic_linker_section
4788         functions.
4789         (class Output_segment): Change Output_data_list from std::list to
4790         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4791         output_bss_ fields.  Update declarations.
4792
4793 2010-08-02  Ian Lance Taylor  <iant@google.com>
4794
4795         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4796         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4797         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4798
4799 2010-08-02  Ian Lance Taylor  <iant@google.com>
4800
4801         PR 11855
4802         * script.cc (Script_options::Script_options): Initialize
4803         symbol_definitions_ and symbol_references_.
4804         (Script_options::add_symbol_assignment): Update
4805         symbol_definitions_ and symbol_references_.
4806         (Script_options::add_symbol_reference): New function.
4807         (script_symbol): New function.
4808         * script.h (class Script_options): Add symbol_definitions_ and
4809         symbol_references_ fields.
4810         (Script_options::referenced_const_iterator): New type.
4811         (Script_options::referenced_begin): New function.
4812         (Script_options::referenced_end): New function.
4813         (Script_options::is_referenced): New function.
4814         (Script_options::any_unreferenced): New function.
4815         * script-c.h (script_symbol): Declare.
4816         * yyscript.y (exp): Call script_symbol.
4817         * symtab.cc: Include "script.h".
4818         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4819         Change all callers.  Check symbols referenced by scripts.
4820         (Symbol_table::add_undefined_symbols_from_command_line): Add
4821         layout parameter.  Change all callers.
4822         (Symbol_table::do_add_undefined_symbols_from_command_line):
4823         Likewise.  Break out loop body.  Check symbols referenced by
4824         scripts.
4825         (Symbol_table::add_undefined_symbol_from_command_line): New
4826         function broken out of
4827         do_add_undefined_symbols_from_command_line.
4828         * symtab.h (class Symbol_table): Update declarations.
4829         * archive.cc: Include "layout.h".
4830         (Archive::should_include_member): Add layout parameter.  Change
4831         all callers.  Check for symbol mentioned in expression.
4832         * archive.h (class Archive): Update declaration.
4833         * object.cc (Sized_relobj::do_should_include_member): Add layout
4834         parameter.
4835         * object.h (Object::should_include_member): Add layout parameter.
4836         Change all callers.
4837         (Object::do_should_include_member): Add layout parameter.
4838         (class Sized_relobj): Update declaration.
4839         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4840         parameter.
4841         * dynobj.h (class Sized_dynobj): Update declaration.
4842         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4843         layout parameter.
4844         * plugin.h (class Sized_pluginobj): Update declaration.
4845
4846 2010-08-02  Ian Lance Taylor  <iant@google.com>
4847
4848         PR 11866
4849         * output.cc (Output_segment::set_offset): Search for the first and
4850         last sections rather than assuming that the list is in order.
4851         (Output_segment::find_first_and_last_list): New function.
4852         * output.h (class Output_segment): Update declarations.
4853         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4854         (relro_strip_test_SOURCES): New variable.
4855         (relro_strip_test_DEPENDENCIES): New variable.
4856         (relro_strip_test_LDFLAGS): New variable.
4857         (relro_strip_test_LDADD): New variable.
4858         (relro_strip_test.so): New target.
4859
4860 2010-08-02  Ian Lance Taylor  <iant@google.com>
4861
4862         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4863         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4864         (Target_i386::got_tlsdesc_section): New function.
4865         (Target_i386::got_section): Create space for GOT entries for
4866         TLSDESC relocations.
4867         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4868         R_386_TLS_GOTDESC.
4869         (Target_i386::Scan::global): Likewise.
4870         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4871         using TLSDESC GOT.
4872         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4873         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4874         (Target_x86_64::got_tlsdesc_section): New function.
4875         (Target_x86_64::got_section): Create space for GOT entries for
4876         TLSDESC relocations.
4877         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4878         R_386_TLS_GOTDESC.
4879         (Target_x86_64::Scan::global): Likewise.
4880         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4881         using TLSDESC GOT.
4882
4883 2010-08-02  Ian Lance Taylor  <iant@google.com>
4884
4885         * testsuite/final_layout.sh: Use dc to convert from hex to
4886         decimal.
4887
4888 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4889
4890         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4891         paramter to the call to gold::gc_process_relocs.
4892         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4893         paramter to the call to gold::gc_process_relocs.
4894         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4895         parameter to the call to gold::gc_process_relocs.
4896         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4897         template parameter to the call to gold::gc_process_relocs.
4898         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4899         paramter to the call to gold::gc_process_relocs.
4900         * gc.h (get_embedded_addend_size): New function.
4901         (gc_process_relocs): Save the size of the reloc for use by ICF.
4902         * icf.cc (get_section_contents): Get the addend from the text section
4903         for SHT_REL relocation sections.
4904         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4905         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4906         * int_encoding.h (read_from_pointer): New overloaded function.
4907         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4908         * testsuite/icf_sht_rel_addend_test.sh: New file.
4909         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4910         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4911
4912 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4913
4914         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4915         * Makefile.in: Regenerate.
4916         * testsuite/Makefile.in: Regenerate.
4917
4918 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4919
4920         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4921         * gold/testsuite/debug_msg.cc: Likewise.
4922         * gold/testsuite/odr_violation1.cc
4923         * gold/testsuite/odr_violation2.cc
4924
4925 2010-07-21  Cary Coutant  <ccoutant@google.com>
4926
4927         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4928         string, and length fields.
4929         (Output_merge_string::Merged_strings_list): New type.
4930         (Output_merge_string::Merged_strings_lists): New typedef.
4931         (Output_merge_string): Replace merged_strings_ with
4932         merged_strings_lists_.
4933         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4934         Merged_strings_list per input object and section.  Don't store pointer
4935         to the string.  Don't store length with each merged string entry.
4936         (Output_merge_string::finalize_merged_data): Loop over list of merged
4937         strings lists.  Recompute length of each merged string.
4938
4939 2010-07-15  Cary Coutant  <ccoutant@google.com>
4940
4941         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4942         here.
4943
4944 2010-07-14  Ian Lance Taylor  <iant@google.com>
4945
4946         * descriptors.cc (Descriptors::open): Report correct name in error
4947         message.
4948
4949 2010-07-13  Doug Kwan  <dougkwan@google.com>
4950
4951         * arm.cc (Arm_input_section::Arm_input_section): For a
4952         SHT_ARM_EXIDX section, always keeps the input sections.
4953         (Arm_input_section::set_exidx_section_link): New method.
4954         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4955         has_errors_ to false.
4956         (Arm_exidx_input_section::has_errors,
4957         Arm_exidx_input_section::set_has_errors): New methods.
4958         (Arm_exidx_input_section::has_errors_): New data member.
4959         (Arm_relobj::get_exidx_shndx_list): New method.
4960         (Arm_output_section::append_text_sections_to_list): Do not skip
4961         section without SHF_EXECINSTR.
4962         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4963         errors.
4964         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4965         section header.  Make error messages more verbose.  Check for
4966         a non-executable section linked to an EXIDX section.
4967         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4968         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4969         check that there is no deferred EXIDX section if we exit early.
4970         Instead of not making an EXIDX section in case of an error, make one
4971         and set the has_errors flag of it.
4972         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4973         in a relocatable link.
4974         (Target_arm::do_relax): Look for the EXIDX output section instead of
4975         assuming that it is called .ARM.exidx.
4976         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4977         section list.  Do not check for SHF_EXECINSTR section flags but
4978         skip any input section with errors.
4979         * output.cc (Output_section::Output_section): Initialize
4980         always_keeps_input_sections_ to false.
4981         (Output_section::add_input_section): Check for
4982         always_keeps_input_sections_.
4983         *  output.h (Output_section::always_keeps_input_sections,
4984         Output_section::set_always_keeps_input_sections): New methods.
4985         (Output_section::always_keeps_input_sections): New data member.
4986
4987 2010-07-13  Rafael Espindola  <espindola@google.com>
4988
4989         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4990         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4991
4992 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4993             Ian Lance Taylor  <iant@google.com>
4994
4995         * output.h (Output_section_lookup_maps::add_merge_section):
4996         Correct check of whether value was inserted.
4997         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4998         (Output_section_lookup_maps::add_relaxed_input_section):
4999         Likewise.
5000         * arm.cc (Target_arm::got_section): Remove used local os.
5001         * i386.cc (Target_i386::got_section): Likewise.
5002         * x86_64.cc (Target_x86_64::got_section): Likewise.
5003         * sparc.cc (Target_sparc::got_section): Likewise.
5004         (Target_sparc::relocate): Remove unused local have_got_offset.
5005         * powerpc.cc (Target_powerpc::relocate): Likewise.
5006
5007 2010-07-13  Ian Lance Taylor  <iant@google.com>
5008
5009         * compressed_output.cc (zlib_decompress): Fix signature in
5010         !HAVE_ZLIB_H case.
5011
5012         * archive.cc (Archive::include_member): Unlock an external member
5013         of a thin archive.  Don't bother to delete an object we know is
5014         NULL.
5015
5016 2010-07-12  Cary Coutant  <ccoutant@google.com>
5017
5018         * compressed_output.cc (zlib_decompress): New function.
5019         (get_uncompressed_size): New function.
5020         (decompress_input_section): New function.
5021         * compressed_output.h (get_uncompressed_size): New function.
5022         (decompress_input_section): New function.
5023         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5024         Handle compressed debug sections.
5025         * layout.cc (is_compressed_debug_section): New function.
5026         (Layout::output_section_name): Map compressed section names to
5027         canonical names.
5028         * layout.h (is_compressed_debug_section): New function.
5029         (is_debug_info_section): Recognize compressed debug sections.
5030         * merge.cc: Include compressed_output.h.
5031         (Output_merge_data::do_add_input_section): Handle compressed
5032         debug sections.
5033         (Output_merge_string::do_add_input_section): Handle compressed
5034         debug sections.
5035         * object.cc: Include compressed_output.h.
5036         (Sized_relobj::Sized_relobj): Initialize new data members.
5037         (build_compressed_section_map): New function.
5038         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5039         * object.h (Object::section_is_compressed): New method.
5040         (Object::do_section_is_compressed): New method.
5041         (Sized_relobj::Compressed_section_map): New type.
5042         (Sized_relobj::do_section_is_compressed): New method.
5043         (Sized_relobj::compressed_sections_): New data member.
5044         * output.cc (Output_section::add_input_section): Handle compressed
5045         debug sections.
5046         * reloc.cc: Include compressed_output.h.
5047         (Sized_relobj::write_sections): Handle compressed debug sections.
5048
5049 2010-07-08  Cary Coutant  <ccoutant@google.com>
5050
5051         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5052         weak when resolving to a dynamic def.
5053         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5054         for weak undef/dynamic def cases. Adjust callers.
5055         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5056         undef_binding_weak_.
5057         (Symbol_table::sized_write_globals): Adjust symbol binding.
5058         (Symbol_table::sized_write_symbol): Add binding parameter.
5059         * symtab.h (Symbol::set_undef_binding): New method.
5060         (Symbol::is_undef_binding_weak): New method.
5061         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5062         (Symbol_table::should_override): Add new parameter.
5063         (Symbol_table::sized_write_symbol): Add new parameter.
5064
5065         * testsuite/weak_undef_file1.cc: Add new test case.
5066         * testsuite/weak_undef_file2.cc: Fix header comment.
5067         * testsuite/weak_undef_test.cc: Add new test case.
5068
5069 2010-06-29  Doug Kwan  <dougkwan@google.com>
5070
5071         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5072         Initialize USE_SYMBOL_.
5073         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5074         definition.
5075         (Arm_reloc_property::uses_symbol_): New data member declaration.
5076         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5077         uses symbol value and symbol is undefined but not weakly undefined.
5078
5079 2010-06-28  Rafael Espindola  <espindola@google.com>
5080
5081         * plugin.cc (Plugin::load): Use dlerror.
5082
5083 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5084
5085         * symtab.cc (detect_odr_violations): When reporting an ODR
5086         violation, report an object where the symbol is defined.
5087
5088 2010-06-25  Doug Kwan  <dougkwan@google.com>
5089
5090         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5091         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5092         definition.
5093         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5094         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5095         target hook to detect function points.
5096         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5097         * icf.h (Icf::check_section_for_function_pointers): Change type of
5098         parameter SECTION_NAME to const reference to std::string.  Use
5099         target hook to determine if section may have unsafe pointers.
5100         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5101         method definition.
5102
5103 2010-06-21  Rafael Espindola  <espindola@google.com>
5104
5105         * fileread.cc (Input_file::find_fie): New
5106         (Input_file::open): Use Input_file::find_fie.
5107         * fileread.h (Input_file::find_fie): New
5108         * plugin.cc (set_extra_library_path): New.
5109         (Plugin::load): Add set_extra_library_path to the transfer vector.
5110         (Plugin_manager::set_extra_library_path): New.
5111         (Plugin_manager::add_input_file): Use the extra search path if set.
5112         (set_extra_library_path(): New.
5113         * plugin.h (Plugin_manager): Add set_extra_library_path and
5114         extra_search_path_.
5115
5116 2010-06-19  Cary Coutant  <ccoutant@google.com>
5117
5118         * layout.cc (gdb_sections): Add .debug_types.
5119         (lines_only_debug_sections): Likewise.
5120
5121 2010-06-18  Rafael Espindola  <espindola@google.com>
5122
5123         * plugin.cc (add_input_file,add_input_library)
5124         (Plugin_manager::add_input_file): Make filename arguments const.
5125         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5126         const.
5127
5128 2010-06-16  Doug Kwan  <dougkwan@google.com>
5129
5130         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5131         .ARM.attributes section if we have not merged any input
5132         attributes sections.
5133
5134 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5135
5136         * arm.cc: Allow combining objects with no EABI version
5137         information.
5138
5139 2010-06-15  Rafael Espindola  <espindola@google.com>
5140
5141         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5142
5143 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5144
5145         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5146         (struct iovec): Correct !HAVE_READV definition.
5147
5148 2010-06-10  Cary Coutant  <ccoutant@google.com>
5149
5150         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5151         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5152         reloc sections.
5153         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5154
5155         PR 11683
5156         * symtab.h (Symbol::is_placeholder): New member function.
5157         * target-reloc.h (relocate_section): Check for placeholder symbols.
5158
5159         * testsuite/Makefile.am (plugin_test_8): New test.
5160         (plugin_test_9): New test.
5161         * testsuite/Makefile.in: Regenerate.
5162
5163 2010-06-09  Nick Clifton  <nickc@redhat.com>
5164
5165         * yyscript.y (input_list_element): Allow strings prefixed with
5166         the '-' character.  Treat these as libraries.
5167         * script.cc (script_add_library): New function.  Adds a library
5168         specified by "-l<name>" found in an input script.
5169         * script-c.h: Add prototype for script_add_library.
5170
5171 2010-06-07  Doug Kwan  <dougkwan@google.com>
5172
5173         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5174         Restrict stub-group size to be within long conditional branch
5175         range when working around cortex-A8 erratum.
5176
5177 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5178
5179         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5180         #ifdef typo.
5181
5182 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5183
5184         PR gold/11658
5185         * output.cc
5186         (Output_section::Input_section_sort_entry::compare_section_ordering):
5187         Change to return non-zero correctly.
5188         (Output_section::Input_section_sort_section_order_index_compare
5189         ::operator()): Change to fix ambiguity in comparisons.
5190
5191 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5192
5193         * gold.h (is_wildcard_string): New function.
5194         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5195         (Layout::layout_eh_frame): Ditto.
5196         (Layout::find_section_order_index): New method.
5197         (Layout::read_layout_from_file): New method.
5198         * layout.h (Layout::find_section_order_index): New method.
5199         (Layout::read_layout_from_file): New method.
5200         (Layout::input_section_position_): New private member.
5201         (Layout::input_section_glob_): New private member.
5202         * main.cc (main): Call read_layout_from_file here.
5203         * options.h (--section-ordering-file): New option.
5204         * output.cc (Output_section::input_section_order_specified_): New
5205         member.
5206         (Output_section::Output_section): Initialize new member.
5207         (Output_section::add_input_section): Add new parameter.
5208         Keep input sections when --section-ordering-file is used.
5209         (Output_section::set_final_data_size): Sort input sections when
5210         section ordering file is specified.
5211         (Output_section::Input_section_sort_entry): Add new parameter.
5212         Check sorting type.
5213         (Output_section::Input_section_sort_entry::compare_section_ordering):
5214         New method.
5215         (Output_section::Input_section_sort_compare::operator()): Change to
5216         consider section_order_index.
5217         (Output_section::Input_section_sort_init_fini_compare::operator()):
5218         Change to consider section_order_index.
5219         (Output_section::Input_section_sort_section_order_index_compare
5220         ::operator()): New method.
5221         (Output_section::sort_attached_input_sections): Change to sort
5222         according to section order when specified.
5223         (Output_section::add_input_section<32, true>): Add new parameter.
5224         (Output_section::add_input_section<64, true>): Add new parameter.
5225         (Output_section::add_input_section<32, false>): Add new parameter.
5226         (Output_section::add_input_section<64, false>): Add new parameter.
5227         * output.h (Output_section::add_input_section): Add new parameter.
5228         (Output_section::input_section_order_specified): New
5229         method.
5230         (Output_section::set_input_section_order_specified): New method.
5231         (Input_section::Input_section): Initialize section_order_index_.
5232         (Input_section::section_order_index): New method.
5233         (Input_section::set_section_order_index): New method.
5234         (Input_section::section_order_index_): New member.
5235         (Input_section::Input_section_sort_section_order_index_compare): New
5236         struct.
5237         (Output_section::input_section_order_specified_): New member.
5238         * script-sections.cc (is_wildcard_string): Delete and move modified
5239         method to gold.h.
5240         (Output_section_element_input::Output_section_element_input): Modify
5241         call to is_wildcard_string.
5242         (Output_section_element_input::Input_section_pattern
5243         ::Input_section_pattern): Ditto.
5244         (Output_section_element_input::Output_section_element_input): Ditto.
5245         * testsuite/Makefile.am (final_layout): New test case.
5246         * testsuite/Makefile.in: Regenerate.
5247         * testsuite/final_layout.cc: New file.
5248         * testsuite/final_layout.sh: New file.
5249
5250 2010-06-01  Rafael Espindola  <espindola@google.com>
5251
5252         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5253
5254 2010-06-01  Rafael Espindola  <espindola@google.com>
5255
5256         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5257         visibility of symbols.
5258
5259 2010-05-27  Doug Kwan  <dougkwan@google.com>
5260
5261         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5262         from start of output section instead of address for a local symbol
5263         in a merged or relaxed section when doing a relocatable link.
5264
5265 2010-05-26  Rafael Espindola  <espindola@google.com>
5266
5267        PR 11604
5268         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5269         adding sections the garbage collector removed.
5270         * gold/testsuite/Makefile.am: Add test.
5271         * gold/testsuite/Makefile.in: Regenerate.
5272         * gold/testsuite/plugin_test_7.sh: New.
5273         * gold/testsuite/plugin_test_7_1.c: New.
5274         * gold/testsuite/plugin_test_7_2.c: New.
5275
5276 2010-05-26  Rafael Espindola  <espindola@google.com>
5277
5278         * script-sections.cc (Output_section_definition::set_section_addresses):
5279         Check for --section-start.
5280
5281 2010-05-26  Doug Kwan  <dougkwan@google.com>
5282
5283         * arm.cc (Arm_scan_relocatable_relocs): New class.
5284         (Target_arm::relocate_special_relocatable): New method.
5285         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5286         (Arm_relocate_functions::thumb_branch_common): Same.
5287         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5288         instead of Default_scan_relocatable_relocs.
5289         * target-reloc.h (relocate_for_relocatable): Let target handle
5290         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5291         * target.h (Sized_target::relocate_special_relocatable): New method.
5292
5293 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5294
5295         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5296
5297 2010-05-23  Doug Kwan  <dougkwan@google.com>
5298
5299         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5300         instead of a cast.
5301         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5302         with a direct branch, not a conditional branch, to a stub.
5303         * merge.cc (Output_merge_base::record_input_section): New method
5304         defintion.
5305         (Output_merge_data::do_add_input_section): Record input section if
5306         keeps-input-sections flag is set.
5307         (Output_merge_string::do_add_input_section): Ditto.
5308         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5309         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5310         INPUT_SECTIONS_.
5311         (Output_merge_base::keeps_input_sections,
5312         Output_merge_base::set_keeps_input_sections,
5313         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5314         method definitions.
5315         (Output_merge_base::Input_sections): New type declaration.
5316         (Output_merge_base::input_sections_begin,
5317         Output_merge_base::input_sections_end,
5318         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5319         (Output_merge_base::bool keeps_input_sections_,
5320         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5321         Output_merge_base::input_sections_): New data members.
5322         (Output_merge_data::do_set_keeps_input_sections): New method
5323         defintion.
5324         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5325         * output.cc (Output_section::Input_section::relobj): Move method
5326         defintion from class declaration to here and handle merge sections.
5327         (Output_section::Input_section::shndx): Ditto.
5328         (Output_section::Output_section): Remove initializations of removed
5329         data members and initialize new data member LOOKUP_MAPS_.
5330         (Output_section::add_input_section): Set keeps-input-sections flag
5331         for a newly created merge output section as appropriate.  Adjust code
5332         to use Output_section_lookup_maps class.
5333         (Output_section::add_relaxed_input_section): Adjst code for lookup
5334         maps code refactoring.
5335         (Output_section::add_merge_input_section): Add a new parameter
5336         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5337         class.  If adding input section to a newly created merge output
5338         section fails, remove the new merge section.
5339         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5340         Adjust code for use of the Output_section_lookup_maps class.
5341         (Output_section::find_merge_section): Ditto.
5342         (Output_section::build_lookup_maps): New method defintion.
5343         (Output_section::find_relaxed_input_section): Adjust code to use
5344         Output_section_lookup_maps class.
5345         (Output_section::get_input_sections): Export merge sections.  Adjust
5346         code to use Output_section_lookup_maps class.
5347         (Output_section:::add_script_input_section): Adjust code to use
5348         Output_section_lookup_maps class.  Update lookup maps for merge
5349         sections also.
5350         (Output_section::discard_states): Use Output_section_lookup_maps.
5351         (Output_section::restore_states): Same.
5352         * output.h (Merge_section_properties): Move class defintion out of
5353         Output_section.
5354         (Output_section_lookup_maps): New class.
5355         (Output_section::Input_section::is_merge_section): New method
5356         defintion.
5357         (Output_section::Input_section::relobj): Move defintion out of class
5358         defintion.  Declare method only.
5359         (Output_section::Input_section::shndx): Ditto.
5360         (Output_section::Input_section::output_merge_base): New method defintion.
5361         (Output_section::Input_section::u2_.pomb): New union field.
5362         (Output_section::Merge_section_by_properties_map,
5363         Output_section::Output_section_data_by_input_section_map,
5364         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5365         Remove types.
5366         (Output_section::add_merge_input_section): Add new parameter
5367         KEEPS_INPUT_SECTIONS.
5368         (Output_section::build_lookup_maps): New method declaration.
5369         (Output_section::merge_section_map_,
5370         Output_section::merge_section_by_properties_map_,
5371         Output_section::relaxed_input_section_map_,
5372         Output_section::is_relaxed_input_section_map_valid_): Remove data
5373         members.
5374         (Output_section::lookup_maps_): New data member.
5375
5376 2010-05-21  Doug Kwan  <dougkwan@google.com>
5377
5378         PR gold/11619
5379         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5380         avoid a compilation error.
5381
5382 2010-05-19  Rafael Espindola  <espindola@google.com>
5383
5384         * script-sections.cc (Output_section_definition::allocate_to_segment):
5385         Update the phdrs_list even when the output section is NULL.
5386         * testsuite/Makefile.am: Add test.
5387         * testsuite/Makefile.in: Regenerate.
5388         * testsuite/script_test_9.cc: New.
5389         * testsuite/script_test_9.sh: New.
5390         * testsuite/script_test_9.t: New.
5391
5392 2010-05-19  Doug Kwan  <dougkwan@google.com>
5393
5394         * arm.cc (Arm_input_section::original_size): New method.
5395         (Arm_input_section::do_addralign): Add a cast.
5396         (Arm_input_section::do_output_offset): Remove static cast.
5397         (Arm_input_section::original_addralign,
5398          Arm_input_section::original_size_): Change type to uint32_t.
5399         (Arm_input_section::init): Add safe casts for section alignment
5400         and size.
5401         (Arm_input_section::set_final_data_size): Do not set address and
5402         offset of stub table.
5403         (Arm_output_section::fix_exidx_coverage): Change use of of
5404         Output_section::Simple_input_section to that of
5405         Output_section::Input_section.
5406         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5407         except for the first pass.
5408         * output.cc (Output_section::get_input_sections): Change type of
5409         input_sections to std::list<Input_section>.
5410         (Output_section::add_script_input_section): Rename from
5411         Output_section::add_simple_input_section.  Change type of SIS
5412         parameter from Simple_input_section to Input_section.
5413         * output.h (Output_section::Simple_input_section): Remove class.
5414         (Output_section::Input_section): Change class visibility to public.
5415         (Output_section::Input_section::addralign): Use stored alignments
5416         for special input sections if set.
5417         (Output_section::Input_section::set_addralign): New method.
5418         (Output_section::get_input_sections): Change parameter type from
5419         list of Simple_input_section to list of Input_section.
5420         (Output_section::add_script_input_section): Rename from
5421         Output_section::add_simple_input_section. Change first parameter's
5422         type from Simple_input_section to Input_section and remove the
5423         second and third parameters.
5424         * script-sections.cc (Input_section::Input_section_list): Change
5425         type to list of Output_section::Input_section/
5426         (Input_section_info::Input_section_info): Change parameter type of
5427         INPUT_SECTION to Output_section::Input_section.
5428         (Input_section_info::input_section): Change return type.
5429         (Input_section_info::input_section_): Change type to
5430         Output_section::Input_section.
5431         (Output_section_element_input::set_section_addresses): Adjust code
5432         to use Output_section::Input_section instead of
5433         Output_section::Simple_input_section.  Adjust code for renaming
5434         of Output_section::add_simple_input_section.
5435         (Orphan_output_section::set_section_addresses): Ditto.
5436
5437 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5438
5439         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5440         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5441
5442 2010-05-18  Rafael Espindola  <espindola@google.com>
5443
5444         * options.cc (General_options::finalize): Handle -nostdlib.
5445         * options.h (nostdlib): New option.
5446         * script.cc (script_add_search_dir): Handle -nostdlib.
5447
5448 2010-05-12  Doug Kwan  <dougkwan@google.com>
5449
5450         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5451         attributes section only if there no attributes section after merging.
5452         (Target_arm::merge_object_attributes): Move value of
5453         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5454         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5455         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5456         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5457         and arm_attr_merge_7.stdout.
5458         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5459         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5460         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5461         arm_attr_merge_7b.o): New rules.
5462         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5463         arm_attr_merge_7
5464         * testsuite/Makefile.in: Regenerate.
5465         * testsuite/arm_attr_merge.sh: New file.
5466         * testsuite/arm_attr_merge_[67][ab].s: Same.
5467
5468 2010-05-05  Nick Clifton  <nickc@redhat.com>
5469
5470         * po/es.po: Updated Spanish translation.
5471
5472 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5473
5474         * Makefile.am (install-exec-local): Properly install gold as
5475         default cross linker.
5476         * Makefile.in: Regenerated.
5477
5478 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5479             Nick Clifton  <nickc@redhat.com>
5480
5481         * configure.ac (install_as_default): Define and set to false
5482         unless --enable-gold or --enable-gold=both/gold has been
5483         specified.
5484         * configure: Regenerate.
5485
5486         * Makefile.am (install-exec-local): Install the executable as
5487         'ld.gold'.  If install_as_default is true then also install it as
5488         'ld'.
5489         * Makefile.in: Regenerated.
5490
5491 2010-04-24  Ian Lance Taylor  <iant@google.com>
5492
5493         * layout.cc (Layout::layout_reloc): In relocatable link don't
5494         combine reloc sections for grouped sections.
5495
5496 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5497
5498         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5499         sections that are not ordinary to icf.
5500         * icf.cc (get_section_contents): Handle relocation pointing to section
5501         with no object or shndx information.
5502         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5503         * testsuite/Makefile.in: Regenerate.
5504         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5505         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5506
5507 2010-04-22  Ian Lance Taylor  <iant@google.com>
5508
5509         * expression.cc (Expression::Expression_eval_info): Add
5510         result_alignment_pointer field.
5511         (Expression::eval_with_dot): Add result_alignment_pointer
5512         parameter.  Change all callers.
5513         (Expression::eval_maybe_dot): Likewise.
5514         (class Binary_expression): Add alignment_pointer parameter to
5515         left_value and right_value.  Change all callers.
5516         (BINARY_EXPRESSION): Set result alignment.
5517         (class Trinary_expression): Add alignment_pointer parameter to
5518         arg2_value and arg3_value.  Change all callers.
5519         (Trinary_cond::value): Set result alignment.
5520         (Max_expression::value, Min_expression::value): Likewise.
5521         (Align_expression::value): Likewise.
5522         * script-sections.cc (class Sections_element): Add dot_alignment
5523         parameter to set_section_addresses virtual function.  Update
5524         instantiations.
5525         (class Output_section_element): Likewise.
5526         (Script_sections::create_segments): Add dot_alignment parameter.
5527         Change all callers.
5528         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5529         (Script_sections::set_phdrs_clause_addresses): Likewise.
5530         * script-sections.h: Update declarations.
5531         * script.h: Update declarations.
5532         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5533         min_p_align.
5534         * testsuite/script_test_3.t: Set large alignment.
5535         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5536         segment has expected alignment.
5537
5538 2010-04-22  Nick Clifton  <nickc@redhat.com>
5539
5540         * po/gold.pot: Updated by the Translation project.
5541         * po/vi.po: Updated Vietnamese translation.
5542
5543 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5544
5545         * testsuite/Makefile.am (check_PROGRAMS): Add
5546         icf_virtual_function_folding_test.
5547         * testsuite/Makefile.in: Regenerated.
5548
5549 2010-04-15  Andrew Haley  <aph@redhat.com>
5550
5551         * options.h (merge_exidx_entries): New option.
5552         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5553         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5554         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5555         (Target_arm::merge_exidx_entries): New function.
5556         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5557         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5558         to Arm_exidx_fixup constructor.
5559         Add new arg, merge_exidx_entries.
5560         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5561         Arm_output_section::fix_exidx_coverage.
5562
5563 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5564
5565         * icf.cc (get_section_contents): Check for preemptible functions.
5566         Ignore addend when appropriate.
5567         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5568         section folded.
5569         (add_from_relobj): Check for section folded.
5570         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5571         * symtab.h (should_add_dynsym_entry): Add new parameter.
5572         * target-reloc.h (scan_relocs): Check for section folded.
5573         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5574         Check reloc types for function pointers in shared objects.
5575         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5576         case.
5577         (icf_preemptible_functions_test): New test case.
5578         (icf_string_merge_test): New test case.
5579         * testsuite.Makefile.in: Regenerate.
5580         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5581         bar_glob.  Refactor code.
5582         * testsuite/icf_preemptible_functions_test.cc: New file.
5583         * testsuite/icf_preemptible_functions_test.sh: New file.
5584         * testsuite/icf_string_merge_test.cc: New file.
5585         * testsuite/icf_string_merge_test.sh: New file.
5586         * testsuite/icf_virtual_function_folding_test.cc: New file.
5587         * testsuite/icf_virtual_function_folding_test.sh: New file.
5588
5589 2010-04-14  Doug Kwan  <dougkwan@google.com>
5590
5591         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5592         for local symbol recounting if we remove a section due to ICF.
5593         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5594         there are no regular objects in input.
5595
5596 2010-04-13  Doug Kwan  <dougkwan@google.com>
5597
5598         * arm.cc (Arm_input_section::set_final_data_size): Compute
5599         accurate final data size instead of using current data size.
5600
5601 2010-04-09  Doug Kwan  <dougkwan@google.com>
5602
5603         * layout.cc (Layout::choose_output_section): Handle script section
5604         types.
5605         (Layout::make_output_section_for_script): Add section type parameter.
5606         Handle script section types.
5607         * layout.h (Layout::make_output_section_for_script): Add section
5608         type parameter.
5609         * output.cc (Output_section::Output_section): Initialize data member
5610         is_noload_.
5611         (Output_section::do_reset_address_and_file_offset): Do not set address
5612         to 0 if section is a NOLOAD section.
5613         * output.h (Output_section::is_noload): New method.
5614         (Output_section::set_is_noload): Ditto.
5615         (Output_section::is_noload_): New data member.
5616         * script-c.h (Script_section_type): New enum type.
5617         (struct Parser_output_section_header): Add new file section_type.
5618         * script-sections.cc (Sections_element::output_section_name): Add
5619         parameter for returning script section type.
5620         (Output_section_definition::output_section_name): Ditto.
5621         (Output_section_definition::section_type)P; New method.
5622         (Output_section_definiton::script_section_type_name): Ditto.
5623         (Output_section_definition::script_section_type_): New data member.
5624         (Output_section_definition::Output_section_definition): Initialize
5625         data member Output_section_definition::script_section_type_.
5626         (Output_section_definition::create_sections): Pass script section type
5627         to Layout::make_output_section_for_script.
5628         (Output_section_definition::output_section_name): Return script
5629         section type to caller.
5630         (Output_section_definition::set_section_address): Do not advance
5631         dot value and load address if section type is NOLOAD.  Set address
5632         of NOLOAD sections regardless of section flags.
5633         (Output_section_definition::print): Print section type if it is
5634         not SCRIPT_SECTION_TYPE_NONE.
5635         (Output_section_definition::section_type): New method.
5636         (Output_section_definition::script_section_type_name): Ditto.
5637         (Script_sections::output_section_name): Add new parameter
5638         PSECTION_TYPE for returning script section type.  Pass it to
5639         section elements.  Handle discard sections.
5640         (Sort_output_sections::operator()): Handle NOLOAD sections.
5641         * script-sections.h (Script_sections::Section_type): New enum type.
5642         (Script_sections::output_section_name): Add a new parameter for
5643         returning script section type.
5644         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5645         INFO and NOLOAD.
5646         * yyscript.y (union): Add new field SECTION_TYPE.
5647         (COPY, DSECT, INFO, NOLOAD): New tokens.
5648         (opt_address_and_section_type): Change type to output_section_header.
5649         (section_type): New non-terminal
5650         (section_header): Handle section type.
5651         (opt_address_and_section_type): Return section type value.
5652
5653 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5654
5655         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5656         * testsuite/plugin_common_test_2.c (foo): Likewise.
5657
5658 2010-04-08  Doug Kwan  <dougkwan@google.com>
5659
5660         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5661         Output_merge_data.
5662         * output.cc (Output_section::add_merge_input_section): Simplify
5663         code and return status of Output_merge_base::add_input_section.
5664         Update merge section map only if Output_merge_base::add_input_section
5665         returns true.
5666
5667 2010-04-07  Doug Kwan  <dougkwan@google.com>
5668
5669         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5670         if section is marked as containing instructions but has no mapping
5671         symbols.
5672         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5673         correct section index.
5674         (Arm_relobj::find_linked_text_section): Ditto.
5675
5676 2010-04-07  Cary Coutant  <ccoutant@google.com>
5677
5678         * archive.cc (include_member): Destroy Read_symbols_data object before
5679         releasing file.
5680         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5681         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5682         (Read_symbols_data::~Read_symbols_data) New destructor.
5683         (Section_relocs::Section_relocs) New constructor.
5684         (Section_relocs::~Section_relocs) New destructor.
5685         (Read_relocs_data::Read_relocs_data) New constructor.
5686         (Read_relocs_data::~Read_relocs_data) New destructor.
5687         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5688         pointers to NULL after deleting.
5689
5690 2010-04-07  Doug Kwan  <dougkwan@google.com>
5691
5692         * arm.cc: Replace "endianity" with "endianness" in comments.
5693         (Arm_exidx_cantunwind): Ditto.
5694         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5695         (Arm_relobj::merge_flags_and_attributes): New method.
5696         (Arm_relobj::merge_flags_and_attributes_): New data member.
5697         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5698         (Arm_relobj::scan_sections_for_stubs): Ditto.
5699         (Arm_relobj::do_read_symbols): Check to see if we really want to
5700         merge processor-specific flags and attributes.  Exit early if
5701         an object is empty except for section names and the undefined symbol.
5702         (Target_arm::do_finalize_sections): Move check for ELF format to
5703         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5704         attributes from a regular object only when we have determined that
5705         it is aapropriate.  Do not create an .ARM.attributes section in
5706         output if there is no regular input object.
5707         (Target_arm::merge_processor_specific_flags): Check
5708         --warn-mismatch before printing any error.
5709         (Target_arm::merge_object_attributes): Ditto.
5710         * gold.cc (queue_middle_tasks): Handle the case in which there is
5711         no regular object in input.
5712         * options.cc (General_options::parse_EB): New method.
5713         (General_options::parse_EL): Same.
5714         (General_options::General_options): Initialize endianness_.
5715         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5716         New options.
5717         (General_options::Endianness): New enum.
5718         (General_options::endianness): New method.
5719         (General_options::endianness_): New data member.
5720         * parameters.cc (Parameters::set_options): Check target endianness.
5721         (Parameters::set_target_once): Ditto.
5722         (Parameters::check_target_endianness): New method.
5723         (parameters_force_valid_target): If either -EL or -EB is specified,
5724         use it to define endianness of default target.
5725         * parameters.h (Parameters::check_target_endianness): New method
5726         declaration.
5727         * target.h (class Target): Change "endianity" to "endianness"
5728         in comments.
5729
5730 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5731
5732         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5733         * configure: Regenerate.
5734         * Makefile.in: Regenerate.
5735         * testsuite/Makefile.in: Regenerate.
5736
5737 2010-04-06  Cary Coutant  <ccoutant@google.com>
5738
5739         gcc PR lto/42757
5740         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5741         prevailing definitions of common symbols.
5742         * testsuite/plugin_test_6.sh: New test case.
5743         * testsuite/plugin_common_test_1.c: New test case.
5744         * testsuite/plugin_common_test_2.c: New test case.
5745         * testsuite/Makefile.am (plugin_test_6): New test case.
5746         * testsuite/Makefile.in: Regenerate.
5747
5748 2010-04-06  Nick Clifton  <nickc@redhat.com>
5749
5750         * po/vi.po: New Vietnamese translation.
5751
5752 2010-03-30  Doug Kwan  <dougkwan@google.com>
5753
5754         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5755
5756 2010-03-25  Doug Kwan  <dougkwan@google.com>
5757
5758         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5759         to avoid a conversion warning on a 32-bit host.
5760
5761 2010-03-24  Ian Lance Taylor  <iant@google.com>
5762
5763         * testsuite/script_test_3.t: Add a TLS segment.
5764         * testsuite/Makefile.am (check_PROGRAMS): Add
5765         tls_phdrs_script_test.
5766         (tls_phdrs_script_test_SOURCES): Define.
5767         (tls_phdrs_script_test_DEPENDENCIES): Define.
5768         (tls_phdrs_script_test_LDFLAGS): Define.
5769         (tls_phdrs_script_test_LDADD): Define.
5770         * testsuite/Makefile.in: Rebuild.
5771
5772 2010-03-23  Cary Coutant  <ccoutant@google.com>
5773
5774         * fileread.cc (find_or_make_view): Fix comment.
5775
5776 2010-03-23  Ian Lance Taylor  <iant@google.com>
5777
5778         * script-sections.cc (class Orphan_section_placement): Define
5779         PLACE_TLS and PLACE_TLS_BSS.
5780         (Orphan_section_placement::Orphan_section_placement): Initialize
5781         new places.
5782         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5783         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5784         (tls_script_test_SOURCES): Define.
5785         (tls_script_test_DEPENDENCIES): Define.
5786         (tls_script_test_LDFLAGS): Define.
5787         (tls_script_test_LDADD): Define.
5788         * testsuite/Makefile.in: Rebuild.
5789
5790 2010-03-22  Doug Kwan  <dougkwan@google.com>
5791
5792         * arm.cc (Arm_relocate_functions::abs8,
5793         Arm_relocate_functions::abs16): Use correct check for overflow
5794         specified in the ARM ELF specs.
5795         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5796         target of a BLX instruction specially.
5797         (Reloc_stub::stub_type_for_reloc): Ditto.
5798         (Relocate::relocate): Use symbolic names instead of numeric relocation
5799         codes to report error.
5800         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5801         workaround.
5802         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5803         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5804         thumb2_blx_out_of_range.stdout
5805         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5806         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5807         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5808         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5809         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5810         thumb2_blx_in_range, thumb2_blx_in_range.o,
5811         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5812         thumb2_blx_out_of_range.o): New rules.
5813         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5814         thumb2_blx_in_range and thumb2_blx_out_of_range.
5815         * testsuite/Makefile.in: Regenerate.
5816         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5817         * testsuite/thumb_blx_in_range.s: New file.
5818         * testsuite/thumb_blx_out_of_range.s: New file.
5819
5820 2010-03-22  Rafael Espindola  <espindola@google.com>
5821
5822         * archive.cc (Should_include): Move to archive.h.
5823         (should_include_member): Make it a member of Archive.
5824         (Lib_group): New.
5825         (Add_lib_group_symbols): New.
5826         * archive.h: Include options.h.
5827         (Archive_member): Moved from Archive.
5828         (Should_include): Moved from archive.cc.
5829         (Lib_group): New.
5830         (Add_lib_group_symbols): New.
5831         * dynobj.cc (do_should_include_member): New.
5832         * dynobj.h (do_should_include_member): New.
5833         * gold.cc (queue_initial_tasks): Update call to queue.
5834         * main.cc (main): Print lib group stats.
5835         * object.cc (do_should_include_member): New.
5836         * object.h: Include archive.h.
5837         (Object::should_include_member): New.
5838         (Object::do_should_include_member): New.
5839         (Sized_relobj::do_should_include_member): New.
5840         * options.cc (General_options::parse_start_lib): New.
5841         (General_options::parse_end_lib): New.
5842         (Input_arguments::add_file): Handle lib groups.
5843         (Input_arguments::start_group): Check we are not in a lib.
5844         (Input_arguments::start_lib): New.
5845         (Input_arguments::end_lib): New.
5846         * options.h (General_options): Add start_lib and end_lib.
5847         (Input_argument::lib_): New.
5848         (Input_argument::lib): New.
5849         (Input_argument::is_lib): New.
5850         (Input_file_lib): New.
5851         (Input_arguments::in_lib_): New.
5852         (Input_arguments::in_lib): New.
5853         (Input_arguments::start_lib): New.
5854         (Input_arguments::end_lib_): New.
5855         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5856         in unused members as preempted.
5857         (Sized_pluginobj::do_should_include_member): New.
5858         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5859         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5860         return the blocker.
5861         (Read_symbols::do_whole_lib_group): New.
5862         (Read_symbols::do_lib_group): New.
5863         (Read_symbols::do_read_symbols): Handle lib groups.
5864         (Read_symbols::get_name): Handle lib groups.
5865         * readsyms.h (Read_symbols): Add an archive member pointer.
5866         (Read_symbols::do_whole_lib_group): New.
5867         (Read_symbols::do_lib_group): New.
5868         (Read_symbols::member_): New.
5869         * script.cc (read_input_script): Update call to queue_soon.
5870
5871 2010-03-19  Doug Kwan  <dougkwan@google.com>
5872
5873         * arm.cc (Stub_table::Stub_table): Initialize new data members
5874         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5875         (Stub_table::add_reloc_stub): Assign stub offset and update
5876         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5877         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5878         New data members.
5879         (Stub_table::update_data_size_and_addralign): Use
5880         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5881         instead of going over all reloc stubs.
5882         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5883         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5884         Stringpool_template::offset_ to size of Stringpool_char.
5885         (Stringpool_template::new_key_offset): Remove code to initialize
5886         Stringpool_template::offset_.
5887         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5888         Stringpool_template::offset_ to zero.
5889
5890 2010-03-15  Doug Kwan  <dougkwan@google.com>
5891
5892         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5893         offset_.
5894         (Stringpool_template::new_key_offset): New method.
5895         (Stringpool_template::add_string): Assign offsets when adding new
5896         strings.
5897         (Stringpool_template::set_string_offsets): Do not set string offsets
5898         when not optimizing.
5899         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5900         member size_.
5901         (Chunked_vector::clear): Clear size_.
5902         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5903         (Chunked_vector::size): Return size_.
5904         (Chunked_vector::push_back): Use size_ to find insert position.
5905         (Chunked_vector::size_): New data member.
5906         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5907         (Stringpool_template::new_key_offset): New method declaration.
5908         (Stringpool_template::offset_): New data member.
5909
5910 2010-03-15   Rafael Espindola  <espindola@google.com>
5911
5912         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5913         Add_symbols' constructor.
5914         * readsyms.h (Add_symbols): Remove the input_group member.
5915
5916 2010-03-10  Ian Lance Taylor  <iant@google.com>
5917
5918         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5919         target to ask whether a reference to a symbol requires a stack
5920         split.
5921         * target.h (Target::is_call_to_non_split): New function.
5922         (Target::do_is_call_to_non_split): Declare virtual function.
5923         * target.cc: Include "symtab.h".
5924         (Target::do_is_call_to_non_split): New function.
5925         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5926
5927 2010-03-10  Cary Coutant  <ccoutant@google.com>
5928
5929         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5930         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5931         (File_read::open[2]): Add whole_file_view_ to list of views.
5932         (File_read::make_view): Remove test of whole_file_view_.
5933         (File_read::find_or_make_view): Create whole_file_view_ if
5934         necessary.
5935         (File_read::clear_views): Replace bool parameter with enum;
5936         adjust all callers.  Don't delete views with permanent data;
5937         do delete cached views and views from archives if
5938         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5939         if clearing the corresponding view.
5940         * fileread.h (File_read::Clear_views_mode): New enum.
5941         (File_read::View::is_permanent_view): New method.
5942         (File_read::clear_views): Replace bool parameter
5943         with enum; adjust all callers.
5944         * options.h (General_options): Change keep_files_mapped option;
5945         add map_whole_files.
5946         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5947         releasing the file.
5948         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5949         the file.
5950
5951 2010-03-10  David S. Miller  <davem@davemloft.net>
5952
5953         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5954
5955 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5956
5957         * icf.cc (get_section_contents): Add '@' marker after processing the
5958         merge reloc.
5959
5960 2010-03-08  Doug Kwan  <dougkwan@google.com>
5961
5962         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5963         due to a conversion warning.
5964         (Arm_relobj::update_output_local_symbol_count): Check for local
5965         symbol with unset output index.
5966
5967 2010-03-05  Ian Lance Taylor  <iant@google.com>
5968
5969         * options.h (class General_options): Add --spare-dynamic-tags.
5970         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5971         --spare-dynamic-tags.
5972
5973 2010-03-05  Ian Lance Taylor  <iant@google.com>
5974
5975         * incremental.cc: Include "libiberty.h".
5976
5977 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5978
5979         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5980         function, is_info_ member.
5981         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5982         (Versions::Versions): Update caller.
5983         (Versions::define_base_version): Likewise.
5984         (Versions::add_def): Likewise.
5985
5986 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5987
5988         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5989         (Scan::possible_function_pointer_reloc): New function.
5990         (Scan::local_reloc_may_be_function_pointer): Change to call
5991         possible_function_pointer_reloc.
5992         (Scan::global_reloc_may_be_function_pointer): Ditto.
5993         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5994         relocations in ".data.rel.ro._ZTV" section.
5995         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5996         * testsuite/icf_safe_so_test.cc: Ditto.
5997         * testsuite/icf_safe_test.cc: Ditto.
5998         * testsuite/icf_safe_test.sh: Ditto.
5999
6000 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6001             Ian Lance Taylor  <iant@google.com>
6002
6003         * target-reloc.h (relocate_section): Check the symbol table index
6004         for -1U before setting the local symbol index.
6005         (scan_relocatable_relocs): If copying the relocation, record that
6006         the local symbol is required.
6007         * object.h (Symbol_value::is_output_symtab_index_set): New
6008         function.
6009         (Symbol_value::may_be_discarded_from_output_symtab): New
6010         function.
6011         (Symbol_value::has_output_symtab_entry): New function.
6012         (Symbol_value::needs_output_symtab_entry): Remove.
6013         (Symbol_value::output_symtab_index): Make sure the symbol index is
6014         set.
6015         (Symbol_value::set_output_symtab_index): Make sure the symbol
6016         index is not set.  Make sure the new index is valid.
6017         (Symbol_value::set_must_have_output_symtab_entry): New function.
6018         (Symbol_value::has_output_dynsym_entry): New function.
6019         (Symbol_value::set_output_dynsym_index): Make sure the new index
6020         is valid.
6021         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6022         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6023         local symbol if permitted.
6024         (Sized_relobj::do_finalize_local_symbols): Call
6025         is_output_symtab_index_set rather than needs_output_symtab_entry.
6026         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6027         rather than needs_output_symtab_entry.  Call
6028         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6029         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6030         is_output_symtab_index_set rather than needs_output_symtab_entry.
6031         * testsuite/discard_locals_relocatable_test.c: New file.
6032         * testsuite/discard_locals_test.sh: Test -r.
6033         * testsuite/Makefile.am (check_DATA): Add
6034         discard_locals_relocatable_test1.syms,
6035         discard_local_relocatable_test2.syms.
6036         (MOSTLYCLEANFILES): Likewise.  Also add
6037         discard_locals_relocatable_test1.lout and
6038         discard_locals_relocatable_test2.out.
6039         (discard_locals_relocatable_test1.syms): New target.
6040         (discard_locals_relocatable_test.o): New target.
6041         (discard_locals_relocatable_test1.out): New target.
6042         (discard_locals_relocatable_test2.syms): New target.
6043         (discard_locals_relocatable_test2.out): New target.
6044         (various): Add missing ../ld-new dependencies.
6045         * testsuite/Makefile.in: Rebuild.
6046
6047 2010-03-03  Nick Clifton  <nickc@redhat.com>
6048
6049         * po/fi.po: New Finnish translation.
6050
6051 2010-03-01  Doug Kwan  <dougkwan@google.com>
6052
6053         * layout.cc (Layout::Layout): Force section types of .init_array*,
6054         .preinit_array* and .fini_array* sections.
6055         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6056         Fix check of return value of std::string::find.().
6057         (Output_section::Input_section_sort_compare::operator()): Remove
6058         comment about .init_array.
6059         (Output_section::Input_section_sort_init_fini_compare::operator()):
6060         New method.
6061         (Output_section::sort_attached_input_sections): Handle .init_array
6062         and .fini_array specially.
6063         * output.h (Output_section::Inut_section_sort_compare): Update
6064         comment.
6065         (Output_section::Input_section_sort_init_fini_compare): New struct.
6066
6067 2010-02-26  Doug Kwan  <dougkwan@google.com>
6068
6069         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6070         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6071         * testsuite/debug_msg.sh: Avoid matching source line number for
6072         use of global variable undef_int.
6073
6074 2010-02-26  Doug Kwan  <dougkwan@google.com>
6075
6076         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6077         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6078         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6079         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6080         * options.cc (General_options::General_options): Initialize member
6081         fix_v4bx_.
6082         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6083         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6084         and rm_no_fix_v4bx.stdout
6085         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6086         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6087         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6088         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6089         and arm_no_fix_v4bx.
6090         * Makefile.in: Regenerate.
6091         * testsuite/arm_fix_v4bx.s: New file.
6092         * testsuite/arm_fix_v4bx.sh: Ditto.
6093
6094 2010-02-24  Doug Kwan  <dougkwan@google.com>
6095
6096         * arm.cc (Target_arm::got_section): Make the .got section the first
6097         non RELRO section in the data segment.
6098         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6099         suffixes of section names.
6100
6101 2010-02-24  Doug Kwan  <dougkwan@google.com>
6102
6103         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6104         flags and attributes merging if an input file is a binary file.
6105         * fileread.cc (Input_file::open): Record format of original file.
6106         * fileread.h (Input_file::Format): New enum type.
6107         (Input_file::Input_file): Initialize data member format_.
6108         (Input_file::format): New method definition.
6109         (Input_file::format_):: New data member.
6110
6111 2010-02-24  Doug Kwan  <dougkwan@google.com>
6112
6113         * arm.cc (Arm_output_data_got): New class.
6114         (ARM_TCB_SIZE): New constant
6115         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6116         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6117         If user uses a script with a SECTIONS clause, issue only a warning
6118         for a misplaced EXIDX input section.  Otherwise, issue an error.
6119         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6120         garbage collection.
6121         (Target_arm::got_mode_index_entry): Handle static linking.
6122         (Target_arm::Scan::local): Ditto.
6123         (Target_arm::Scan::global): Ditto.
6124         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6125         all incorrectly implemented relocations.
6126         (Target_arm::fix_exidx_coverage): Pass layout to
6127         Arm_output_section::fix_exidx_coverage.
6128         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6129         from ".ARM.exidx." and ".ARM.extab.".
6130
6131 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6132
6133         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6134         section if it does not already exist.
6135         * attributes.cc (Attributes_section_data::Attributes_section_data):
6136         Don't crash if size is zero.
6137
6138 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6139             Ian Lance Taylor  <iant@google.com>
6140
6141         * gold.cc (queue_middle_tasks): If no input files were opened,
6142         exit.
6143         * workqueue.h (Task_function::Task_function): Assert that there is
6144         a blocker.
6145
6146 2010-02-22  Doug Kwan  <dougkwan@google.com>
6147
6148         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6149         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6150         types to avoid warnings due to different uint64_t implementations
6151         on different hosts.
6152
6153 2010-02-21  Doug Kwan  <dougkwan@google.com>
6154
6155         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6156         handling of the maximum backward branch offset.
6157         (Arm_relocate_functions::thumb_branch_common): Ditto.
6158         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6159         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6160         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6161         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6162         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6163         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6164         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6165         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6166         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6167         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6168         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6169         thumb2_bl_out_of_range.o): New rules.
6170         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6171         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6172         thumb2_bl_out_of_range
6173         * testsuite/Makefile.in: Regenerate.
6174         * testsuite/arm_bl_in_range.s: New file.
6175         * testsuite/arm_bl_out_of_range.s: Ditto.
6176         * testsuite/arm_branch_in_range.sh: Ditto.
6177         * testsuite/arm_branch_range.t: Ditto.
6178         * testsuite/thumb2_branch_range.t: Ditto.
6179         * testsuite/thumb_bl_in_range.s: Ditto.
6180         * testsuite/thumb_bl_out_of_range.s: Ditto.
6181         * testsuite/thumb_branch_range.t: Ditto.
6182
6183 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6184
6185         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6186         Add reloc offset information.
6187         * icf.cc (get_section_contents): Change iterators to point to the new
6188         vectors. Add reloc offset information to the contents.
6189         * icf.h (Icf::Sections_reachable_info): New typedef.
6190         (Icf::Sections_reachable_list): New typedef.
6191         (Icf::Offset_info): New typedef.
6192         (Icf::Reloc_info): New struct typedef.
6193         (Icf::Reloc_info_list): New typedef.
6194         (Icf::symbol_reloc_list): Delete method.
6195         (Icf::addend_reloc_list): Delete method.
6196         (Icf::section_reloc_list): Delete method.
6197         (Icf::reloc_info_list): New method.
6198         (Icf::reloc_info_list_): New member.
6199
6200 2010-02-19  Doug Kwan  <dougkwan@google.com>
6201
6202         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6203         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6204         * arm.cc (Arm_relocation_functions): New forward declaration.
6205         (Target_arm::Target_arm): Initialize new data members
6206         got_mod_index_offset_ and tls_base_symbol_defined_.
6207         (Target_arm::Relocate::relocate_tls): New method.
6208         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6209          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6210         New methods.
6211         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6212         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6213         (Target_arm::got_mod_index_offset_,
6214         Target_arm::tls_base_symbol_defined_): New data members.
6215         (Target_arm::Scan::local, Target::Scan::global,
6216         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6217         relocations.
6218
6219 2010-02-18  Doug Kwan  <dougkwan@google.com>
6220
6221         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6222         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6223         text section as a parameter becuase some broken tools may not set
6224         the link in section header.
6225         (Target_arm::has_got_section): New method.
6226         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6227         without any mapping symbol as data only.  Remove warning.
6228         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6229         link in its section header, try to discover the link by inspecting the
6230         REL31 relocation at the beginning of the section.
6231         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6232         in error message.
6233         (Target_arm::Scan::global): Treat any reference to the symbol
6234         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6235
6236 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6237
6238         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6239         (Scan::global_reloc_may_be_function_pointer): New function.
6240         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6241         (Scan::global_reloc_may_be_function_pointer): New function.
6242         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6243         (Scan::global_reloc_may_be_function_pointer): New function.
6244         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6245         (Scan::global_reloc_may_be_function_pointer): New function.
6246         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6247         (Scan::global_reloc_may_be_function_pointer): New function.
6248         (Scan::possible_function_pointer_reloc): New function.
6249         (Target_x86_64::can_check_for_function_pointers): New function.
6250         * gc.h (gc_process_relocs): Scan relocation types to determine if
6251         function pointers were taken for targets that support it.
6252         * icf.cc (Icf::find_identical_sections): Include functions for
6253         folding in safe ICF whose pointer is not taken.
6254         * icf.h (Secn_fptr_taken_set): New typedef.
6255         (fptr_section_id_): New member.
6256         (section_has_function_pointers): New function.
6257         (set_section_has_function_pointers): New function.
6258         (check_section_for_function_pointers): New function.
6259         * options.h: Fix comment for safe ICF option.
6260         * target.h (can_check_for_function_pointers): New function.
6261         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6262         Modify icf_safe_test for X86-64.
6263         * testsuite/Makefile.in: Regenerate.
6264         * testsuite/icf_safe_so_test.cc: New file.
6265         * testsuite/icf_safe_so_test.sh: New file.
6266         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6267         (main): Change to take pointer to function kept_func_3.
6268         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6269         folding is done correctly for X86-64.
6270
6271 2010-02-12  David S. Miller  <davem@davemloft.net>
6272
6273         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6274         is_symbolless parameter.
6275         (Output_reloc<SHT_REL>::is_symbolless): New.
6276         (Output_reloc<SHT_REL>::is_symbolless_): New.
6277         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6278         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6279         (Output_reloc<SHT_RELA>::is_symbolless): New.
6280         (Output_data_reloc::add_global): Handle is_symbolless.
6281         (Output_data_reloc::add_global_relative): Likewise.
6282         (Output_data_reloc::add_local): Likewise.
6283         (Output_data_reloc::add_local_relative): Likewise.
6284         (Output_data_reloc::add_symbolless_global_addend): New.
6285         (Output_data_reloc::add_symbolless_local_addend): New.
6286         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6287         is_symbolless.
6288         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6289         instead of ->is_relative_
6290         (Output_reloc::write): Likewise.
6291         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6292         (Output_reloc::write_rel): Simplify.
6293
6294         * sparc.cc (Target_sparc::Scan::local): Use
6295         ->add_symbolless_local_addend as needed.
6296         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6297         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6298         based upon relocation offset.
6299
6300 2010-02-11  Doug Kwan  <dougkwan@google.com>
6301
6302         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6303         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6304         beginning of function.
6305         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6306         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6307         parameter is_32bit in calls to should_apply_static_reloc.
6308         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6309         (check_DATA): Add arm_abs_global.stdout.
6310         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6311         arm_abs_global.stdout): New rules.
6312         (MOSTLLYCLEANFILES): Add arm_abs_global
6313         * Makefile.in: Regenerate.
6314         * testsuite/arm_abs_global.s: New file.
6315         * testsuite/arm_abs_global.sh: Ditto.
6316         * testsuite/arm_abs_lib.s: Ditto.
6317
6318 2010-02-11  Ian Lance Taylor  <iant@google.com>
6319
6320         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6321         Read_relocs task.
6322         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6323         Allocate_commons_task first.
6324         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6325         task, rather than symtab_lock_.
6326         (Gc_process_relocs::~Gc_process_relocs): New function.
6327         (Gc_process_relocs::is_runnable): Check this_blocker_.
6328         (Gc_process_relocs::locks): Use next_blocker_ rather than
6329         blocker_.
6330         (Scan_relocs::~Scan_relocs): New function.
6331         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6332         symtab_lock_.
6333         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6334         next_blocker_.
6335         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6336         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6337         constructor accordingly.
6338         (class Gc_process_relocs): Likewise.
6339         (class Scan_relocs): Likewise.
6340         * common.h (class Allocate_commons_task): Remove symtab_lock_
6341         field, and corresponding constructor parameter.
6342         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6343         symtab_lock_.
6344         (Allocate_commons_task::locks): Likewise.
6345
6346 2010-02-11  Ian Lance Taylor  <iant@google.com>
6347
6348         * gold-threads.h (class Once): Define.
6349         (class Initialize_lock): Rewrite as child of Once.
6350         * gold-threads.cc (class Once_initialize): Define.
6351         (once_pointer_control): New static variable.
6352         (once_pointer, once_arg): New static variables.
6353         (c_run_once): New static function.
6354         (Once::Once, Once::run_once, Once::internal_run): New functions.
6355         (class Initialize_lock_once): Remove.
6356         (initialize_lock_control): Remove.
6357         (initialize_lock_pointer): Remove.
6358         (initialize_lock_once): Remove.
6359         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6360         (Initialize_lock::initialize): Rewrite.
6361         (Initialize_lock::do_run_once): New function.
6362         * archive.cc (Archive::interpret_header): Only clear name if it is
6363         not already empty.
6364         * fileread.cc: Include "gold-threads.h"
6365         (file_counts_lock): New static variable.
6366         (file_counts_initialize_lock): Likewise.
6367         (File_read::release): Only increment counts when using --stats.
6368         Use a lock around the increment.
6369         * parameters.cc (class Set_parameters_target_once): Define.
6370         (set_parameters_target_once): New static variable.
6371         (Parameters::Parameters): Move here from parameters.h.
6372         (Parameters::set_target): Rewrite.
6373         (Parameters::set_target_once): New function.
6374         (Parameters::clear_target): Move here and rewrite.
6375         * parameters.h (class Parameters): Update declarations.  Add
6376         set_parameters_target_once_ field.
6377         (Parameters::Parameters): Move to parameters.cc.
6378         (Parameters::clear_target): Likewise.
6379         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6380         task.
6381         (Start_group::~Start_group): New function.
6382         (Start_group::is_runnable): New function.
6383         (Start_group::locks, Start_group::run): New functions.
6384         (Finish_group::run): Change saw_undefined to size_t.
6385         * readsyms.h (class Start_group): Define.
6386         (class Finish_group): Change saw_undefined_ field to size_t.
6387         (Finish_group::Finish_group): Remove saw_undefined and
6388         this_blocker parameters.  Change all callers.
6389         (Finish_group::set_saw_undefined): New function.
6390         (Finish_group::set_blocker): New function.
6391         * symtab.h (class Symbol_table): Change saw_undefined to return
6392         size_t.  Change saw_undefined_ field to size_t.
6393         * target-select.cc (Set_target_once::do_run_once): New function.
6394         (Target_selector::Target_selector): Initialize set_target_once_
6395         field.  Don't initialize lock_ and initialize_lock_ fields.
6396         (Target_selector::instantiate_target): Rewrite.
6397         (Target_selector::set_target): New function.
6398         * target-select.h (class Set_target_once): Define.
6399         (class Target_selector): Update declarations.  Make
6400         Set_target_once a friend.  Remove lock_ and initialize_lock_
6401         fields.  Add set_target_once_ field.
6402
6403 2010-02-10  Ian Lance Taylor  <iant@google.com>
6404
6405         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6406         queueing any tasks.
6407         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6408         (queue_middle_tasks): Add all blockers before queueing any tasks.
6409         (queue_final_tasks): Likewise.
6410         * token.h (Task_token::add_blockers): New function.
6411         * object.h (Input_objects::number_of_relobjs): New function.
6412
6413 2010-02-10  Ian Lance Taylor  <iant@google.com>
6414
6415         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6416         shared, not if not position independent.
6417         * x86_64.cc (Relocate::relocate_tls): Likewise.
6418         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6419         (tls_pie_pic_test): New target.
6420         * testsuite/Makefile.in: Rebuild.
6421
6422         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6423         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6424         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6425         * testsuite/Makefile.in: Rebuild.
6426
6427 2010-02-09  David S. Miller  <davem@davemloft.net>
6428
6429         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6430         R_SPARC_RELATIVE using ->add_local_relative().
6431         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6432
6433         * output.h (Output_data_dynamic::add_section_size): New method
6434         that takes two Output_data objects.
6435         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6436         entry param.  Handle it in initializers.
6437         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6438         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6439         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6440         arg.
6441         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6442         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6443         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6444         for dynrel_includes_plt.
6445         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6446         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6447         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6448         before .rela.plt
6449         (Target_sparc::do_finalize_sections): Update to pass true for
6450         dynrel_includes_plt.
6451         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6452         output before .rela.plt
6453         (Target_powerpc::do_finalize_sections): Update to pass true for
6454         dynrel_includes_plt when 32-bit.
6455
6456 2010-02-08  Doug Kwan  <dougkwan@google.com>
6457
6458         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6459         method.
6460         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6461         Arm_relobj::scan_section_for_cortex_a8_stubs,
6462         Arm_relobj::do_relocation_section): Instead of calling
6463         Output_section::output_address, use faster
6464         Arm_relobj::simple_input_section_output_address.
6465
6466 2010-02-08  David S. Miller  <davem@davemloft.net>
6467
6468         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6469         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6470         relocation helper function.
6471
6472         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6473         just like R_SPARC_GOT{10,13,22}.
6474         (Target_sparc::Scan::local): Likewise.
6475         (Target_sparc::Relocate:relocate): Likewise.
6476
6477 2010-02-06  Ian Lance Taylor  <iant@google.com>
6478
6479         * configure.ac: Rewrite targetobjs duplicate removal code to use
6480         only shell constructs.
6481         * configure: Rebuild.
6482
6483 2010-02-05  Doug Kwan  <dougkwan@google.com>
6484
6485         PR 11247
6486         * arm.cc (Arm_relobj::section_is_scannable): New method.
6487         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6488         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6489
6490 2010-02-04  Doug Kwan  <dougkwan@google.com>
6491
6492         PR 11247
6493         * arm-reloc-property.cc (cstdio): Include.
6494         * configure.ac (targetobjs): Remove duplicates.
6495         * configure: Regenerate.
6496         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6497         big and little endian version for a given address size.
6498
6499 2010-02-03  Doug Kwan  <dougkwan@google.com>
6500
6501         * arm-reloc-property.cc
6502         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6503         definition.
6504         * arm-reloc-property.h
6505         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6506         New method definition.
6507         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6508         declaration.
6509         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6510         overflow to N.
6511         (GOT_PREL): Change implemented to Y.
6512         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6513         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6514         (Arm_relocate_functions::movw_abs_nc): Remove method.
6515         (Arm_relocate_functions::movt_abs): Ditto.
6516         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6517         (Arm_relocate_functions::thm_movt_abs): Ditto.
6518         (Arm_relocate_functions::movw_rel_nc): Ditto.
6519         (Arm_relocate_functions::movw_rel): Ditto.
6520         (Arm_relocate_functions::movt_rel): Ditto.
6521         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6522         (Arm_relocate_functions:thm_movw_rel): Ditto.
6523         (Arm_relocate_functions:thm_movt_rel): Ditto.
6524         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6525         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6526         New method definitions.
6527         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6528         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6529         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6530         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6531         (Target_arm::Relocate::relocate): Check for non-static or
6532         unimplemented relocation code and exit early.  Change calls to
6533         Target_arm::reloc_uses_thumb_bit and
6534         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6535         instead.  Refactor code to handle similar relocations to increase
6536         code sharing.  Remove check for unsupported relocation code in switch
6537         statement.
6538         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6539         relocation property table to find out size.  Change error message to
6540         print out the name of a relocation code instead of the numeric value.
6541         (Target_arm::scan_reloc_for_stub): Use relocation property table
6542         instead of calling Target_arm::reloc_uses_thumb_bit().
6543
6544 2010-02-02  Doug Kwan  <dougkwan@google.com>
6545
6546         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6547         types of relaxed input section.
6548
6549 2010-02-02  Doug Kwan  <dougkwan@google.com>
6550
6551         * Makefile.am (HFILES): Add arm-reloc-property.h.
6552         (DEFFILES): New.
6553         (TARGETSOURCES): Add arm-reloc-property.cc
6554         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6555         (libgold_a_SOURCES): $(DEFFILES)
6556         * Makefile.in: Regenerate.
6557         * arm-reloc-property.cc: New file.
6558         * arm-reloc-property.h: New file.
6559         * arm-reloc.def: New file.
6560         * arm.cc: Update comments.
6561         (arm-reloc-property.h): New included header.
6562         (arm_reloc_property_table): New global variable.
6563         (Target_arm::do_select_as_default_target): New method definition.
6564         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6565         arm-reloc-property to targ_extra_obj.
6566         * parameters.cc (set_parameters_target): Call
6567         Target::select_as_default_target().
6568         * target.h (Target::select_as_default_target): New method definition.
6569         (Target::do_select_as_default_target): Same.
6570
6571 2010-02-01  Doug Kwan  <dougkwan@google.com>
6572
6573         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6574         first_output_text_section_.
6575         (Arm_exidx_fixup::first_output_text_section): New method definition.
6576         (Arm_exidx_fixup::first_output_text_section_): New data member.
6577         (Arm_exidx_fixup::process_exidx_section): Record the first text
6578         output section seen.
6579         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6580         and entsize in output section header.
6581
6582 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6583
6584         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6585         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6586         (Arm_relocate_functions::thm_alu11): New Method.
6587         (Arm_relocate_functions::thm_pc8): New Method.
6588         (Arm_relocate_functions::thm_pc12): New Method.
6589         (Target_arm::Scan::local): Handle the relocations.
6590         (Target_arm::Scan::global): Likewise.
6591         (Target_arm::Relocate::relocate): Likewise.
6592         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6593
6594 2010-01-29  Doug Kwan  <dougkwan@google.com>
6595
6596         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6597         of relocation types as ld.
6598
6599 2010-01-29  Doug Kwan  <dougkwan@google.com>
6600
6601         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6602         to public.
6603         (Arm_relocate_functions::thumb_branch_common): Ditto.
6604         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6605         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6606         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6607         Arm_relocate_functions::jump24): Remove.
6608         (Target_arm::Relocate::relocate): Adjust code to call
6609         Arm_relocation_functions::arm_branch_common and
6610         Arm_relocation_functions::thumb_branch_common instead of their removed
6611         wrappers.  Merge switch-cases together to reduce source code size.
6612
6613 2010-01-29  Doug Kwan  <dougkwan@google.com>
6614
6615         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6616         output_local_symbol_count_needs_update_.
6617         (Arm_relobj::output_local_symbol_count_needs_update,
6618          Arm_relobj::set_output_local_symbol_count_needs_update,
6619          Arm_relobj::update_output_local_symbol_count): New methods.
6620         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6621         member.
6622         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6623         of pointed function as in a R_ARM_PREL31 relocation.
6624         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6625         for output local symbol count updating.
6626         (Target_arm::do_relax): Update output local symbol counts in objects
6627         if necessary.
6628         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6629
6630 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6631
6632         * arm.cc: Added support for the ARM relocations:
6633         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6634         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6635         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6636         movw_prel_nc).
6637         (Arm_relocate_functions::movw_rel): New method.
6638         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6639         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6640         thm_movw_prel_nc).
6641         (Arm_relocate_functions::thm_movw_rel): New method.
6642         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6643         thm_movt_prel).
6644         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6645         relocations.
6646         (Target_arm::Scan::global): Likewise.
6647         (Target_arm::Relocate::relocate): Likewise.
6648         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6649         Likewise.
6650
6651 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6652
6653         * arm.cc: Added support for ARM group relocations.
6654         (Target_arm::reloc_needs_sym_origin): New method.
6655         (Arm_relocate_functions::calc_grp_kn): New method.
6656         (Arm_relocate_functions::calc_grp_residual): New method.
6657         (Arm_relocate_functions::calc_grp_gn): New method.
6658         (Arm_relocate_functions::arm_grp_alu): New Method.
6659         (Arm_relocate_functions::arm_grp_ldr): New Method.
6660         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6661         (Arm_relocate_functions::arm_grp_ldc): New Method.
6662         (Target_arm::Scan::local): Handle the ARM group relocations.
6663         (Target_arm::Scan::global): Likewise.
6664         (Target_arm::Relocate::relocate): Likewise.
6665         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6666         Likewise.
6667
6668 2010-01-26  Doug Kwan  <dougkwan@google.com>
6669
6670         * arm.cc (set): Include.
6671         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6672         pointer type.
6673         (Arm_output_section::Text_section_list): New type.
6674         (Arm_output_section::append_text_sections_to_list): New method.
6675         (Arm_output_section::fix_exidx_coverage): Ditto.
6676         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6677         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6678         Relobj::set_section_offset() instead of
6679         Sized_relobj::invalidate_section_offset().
6680         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6681         parameter for section headers. Ignore relocation sections for
6682         unallocated sections and EXIDX sections.
6683         (Target_arm::fix_exidx_coverage): New method.
6684         (Target_arm::output_section_address_less_than): New type.
6685         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6686         linked text section instead of the EXIDX section.
6687         (Arm_output_section::create_stub_group): Add an assertion to check
6688         that this is not an EXIDX output section.
6689         (Arm_output_section::append_text_sections_to_list): New method.
6690         (Arm_output_section::fix_exidx_coverage): Ditto.
6691         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6692         Arm_relobj::section_needs_reloc_stub_scanning.
6693         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6694         first pass.
6695         (Target_arm::fix_exidx_coverage): New method.
6696         * object.h (Relobj::set_output_section): New method.
6697         (Sized_relobj::invalidate_section_offset): Remove method.
6698         (Sized_relobj::do_invalidate_section_offset): Remove method.
6699         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6700
6701 2010-01-25  Doug Kwan  <dougkwan@google.com>
6702
6703         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6704         Fix warning due to signed and unsigned comparison on a 32-bit host.
6705
6706 2010-01-22  Doug Kwan  <dougkwan@google.com>
6707
6708         * arm.cc (Target_arm::do_relax): Record an output section for section
6709         offset adjustment it contains any stub table that has changed.
6710         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6711         offsets in an output section if necessary.
6712         * output.cc (Output_section::Output_section): Initialize
6713         section_offsets_need_adjustments_.
6714         (Output_section::add_input_section_for_script): Renamed to
6715         Output_section::add_simple_input_section.
6716         (Output_section::save_states): Add a comment.
6717         (Output_section::discard_states): New method defintion.
6718         (Output_section::adjust_section_offsets): Same.
6719         * output.h (Output_section::add_input_section_for_script): Renamed to
6720         Output_section::add_simple_input_section.
6721         (Output_section::discard_states): New method declaration.
6722         (Output_section::adjust_section_offsets): Same.
6723         (Output_section::section_offsets_need_adjustment,
6724         Output_section::set_section_offsets_need_adjustment): New method
6725         definitions.
6726         (Output_section::section_offsets_need_adjustment_): New data member.
6727         * script-sections.cc
6728         (Output_section_element_input::set_section_address): Adjust code for
6729         renaming of Output_section::add_input_section_for_script.
6730         (Orphan_output_section::set_section_address): Same.
6731
6732 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6733
6734         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6735         Fix_v4bx enum values .
6736         * gold/options.h (General_options): New option definitions.
6737         (General_options::fix_v4bx): New method.
6738         (General_options::Fix_v4bx): New enum.
6739         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6740         (General_options::parse_fix_v4bx_interworking): New method.
6741
6742 2010-01-22  Doug Kwan  <dougkwan@google.com>
6743
6744         * arm.cc (Arm_exidx_fixup): New class.
6745
6746 2010-01-21  Doug Kwan  <dougkwan@google.com>
6747
6748         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6749         classes.
6750         (Arm_exidx_section_offset_map): New type.
6751
6752 2010-01-21  Doug Kwan  <dougkwan@google.com>
6753
6754         * arm.cc (Arm_exidx_input_section): New class.
6755         (Arm_relobj::exidx_input_section_by_link,
6756         Arm_relobj::exidx_input_section_by_shndx,
6757         Arm_relobj::make_exidx_input_section): New methods.
6758         (read_arm_attributes_section): Remove.
6759         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6760         information about them.
6761         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6762         to here.
6763
6764 2010-01-20  Doug Kwan  <dougkwan@google.com>
6765
6766         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6767         Input_section_specifier to Section_id.
6768         (Target_arm::new_arm_input_section: Adjust code for change of key
6769         type.
6770         (Target_arm::find_arm_input_section): Ditto.
6771         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6772         (Section_id): Remove.
6773         (Garbage_collection::Section_id_hash): Remove.
6774         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6775         (Section_id): Remove.
6776         (Icf::Section_id_hash): Remove.
6777         * object.h (Section_id, Const_section_id, Section_id_hash,
6778         Const_section_id_hash): New type definitions.
6779         * output.cc (Output_section::add_relaxed_input_section): Change to
6780         use Const_section_id instead of Input_section_specifier as key type.
6781         (Output_section::add_merge_input_section): Ditto.
6782         (Output_section::build_relaxation_map): Change to use Section_id
6783         instead of Input_section_specifier as key type.
6784         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6785         Ditto.
6786         (Output_section::convert_input_sections_to_relaxed_sections): Change
6787         to use Const_section_id instead of Input_section_specifier as key type.
6788         (Output_section::find_merge_section): Ditto.
6789         (Output_section::find_relaxed_input_section): Ditto.
6790         * output.h (Input_section_specifier): Remove class.
6791         (Output_section::Output_section_data_by_input_section_map): Change
6792         key type to Const_section_id.
6793         (Output_section::Output_relaxed_input_section_by_input_section_map):
6794         Ditto.
6795         (Output_section::Relaxation_map): Change key type to Section_id.
6796
6797 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6798
6799         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6800         (class Arm_v4bx_stub): New class.
6801         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6802         (Stub_factory::make_arm_v4bx_stub): New method.
6803         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6804         (Stub_table::empty): Handle v4bx stubs.
6805         (Stub_table::add_arm_v4bx_stub): New method.
6806         (Stub_table::find_arm_v4bx_stub): New method.
6807         (Arm_relocate_functions::v4bx): New method.
6808         (Target_arm::fix_v4bx): New method.
6809         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6810         (Stub_table::relocate_stubs): Likewise.
6811         (Stub_table::do_write): Likewise.
6812         (Stub_table::update_data_size_and_addralign): Likewise.
6813         (Stub_table::finalize_stubs):  Likewise.
6814         (Target_arm::Scan::local): Likewise.
6815         (Target_arm::Scan::global): Likewise.
6816         (Target_arm::do_finalize_sections): Likewise.
6817         (Target_arm::Relocate::relocate): Likewise.
6818         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6819         Likewise.
6820         (Target_arm::scan_reloc_for_stub): Likewise.
6821         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6822
6823 2010-01-19  Ian Lance Taylor  <iant@google.com>
6824
6825         * output.cc (Output_section_headers::do_sized_write): Write large
6826         segment count to sh_info field.
6827         (Output_file_header::do_sized_write): For large segment count,
6828         write PN_XNUM to e_phnum field.
6829
6830 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6831
6832         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6833         (Arm_relocate_functions::thm_jump8): New function.
6834         (Arm_relocate_functions::thm_jump11): New function.
6835         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6836         R_ARM_THM_JUMP11.
6837         (Target_arm::Scan::global): Likewise.
6838         (Target_arm::Relocate::relocate): Likewise.
6839         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6840         Likewise.
6841
6842 2010-01-14  Doug Kwan  <dougkwan@google.com>
6843
6844         * arm.cc (map, utility): Include headers.
6845         (Target_arm::apply_cortex_a8_workaround): New method.
6846         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6847         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6848         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6849         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6850         the --[no-]fix-cortex-a8 command line options.
6851         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6852         (Target_arm::relocate_stub): Use addend in instruction template.
6853         * options.h (DEFINE_bool): Set the user-set flag.
6854         (General_options): Add --[no-]-fix-cortex options.
6855         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6856         : Update fast look-up map after conversion.
6857
6858 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6859
6860         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6861         in the first pass of do_layout.
6862
6863 2010-01-13  Doug Kwan  <dougkwan@google.com>
6864
6865         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6866         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6867         apparent compiler problem of not folding static constant integral
6868         data members of elfcpp::Elf_sizes<32>.
6869
6870 2010-01-13  Doug Kwan  <dougkwan@google.com>
6871
6872         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6873         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6874         Arm_relobj::scan_section_for_cortex_a8_erratum,
6875         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6876         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6877         sections to scan for relocation stubs into a new method
6878         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6879         relocation and Cortex-A8 stub scanning.
6880         (Target_arm::do_relax): Force stubs to be after stubbed sections
6881         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6882         the beginning of a new relaxation pass.  Update a comment.
6883         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6884
6885 2010-01-12  Ian Lance Taylor  <iant@google.com>
6886
6887         * target-reloc.h (visibility_error): New inline function.
6888         (relocate_section): Call visibility_error.
6889         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6890         (MOSTLYCLEANFILES): Likewise.
6891         (protected_4_pic.o, protected_3.err): New targets.
6892         * testsuite/protected_4.cc: New file.
6893
6894 2010-01-12  Doug Kwan  <dougkwan@google.com>
6895
6896         * arm.cc (Cortex_a8_reloc): New class.
6897         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6898         and cortex_a8_relocs_info_.
6899         (Target_arm::fix_cortex_a8): New method definition.
6900         (Target_arm::Cortex_a8_relocs_info): New type.
6901         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6902         New data member declarations.
6903         (Target_arm::scan_reloc_for_stub): Record information about
6904         relocations for THUMB branches that might be exempted from the
6905         Cortex-A8 workaround.
6906         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6907         at the beginning of a relaxation pass.
6908
6909 2010-01-12  Doug Kwan  <dougkwan@google.com>
6910
6911         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6912         (Arm_relobj::Mapping_symbol_position,
6913          Arm_reloj::Mapping_symbol_position_less,
6914          Arm_relobj::Mapping_symbols_info): New types.
6915         (Target_arm::is_mapping_symbol_name): New method definition.
6916         (Arm_relobj::do_count_local_symbols): Save information about mapping
6917         symbols.
6918
6919 2010-01-11  Doug Kwan  <dougkwan@google.com>
6920
6921         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6922         Arm_relocate_functions::thumb32_branch_upper,
6923         Arm_relocate_functions::thumb32_branch_lower,
6924         Arm_relocate_functions::thumb32_cond_branch_offset,
6925         Arm_relocate_functions::thumb32_cond_branch_upper,
6926         Arm_relocate_functions::thumb32_cond_branch_lower,
6927         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6928         branch offset encoding.
6929         (Arm_relocate_functions::thumb_branch_common): Use new branch
6930         offset encoding methods to avoid code duplication.
6931         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6932         (Stub_addend_reader::operator()): Use new branch encoding method
6933         to avoid code duplication.
6934
6935 2010-01-11  Doug Kwan  <dougkwan@google.com>
6936
6937         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6938         (Target_arm::do_finalize_sections): Define special EXIDX section
6939         symbols only if referenced.
6940         * gc.h (Garbage_collection::add_reference): New method.
6941         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6942         code duplication.
6943
6944 2010-01-11  Ian Lance Taylor  <iant@google.com>
6945
6946         * script.cc (Version_script_info::build_expression_list_lookup):
6947         Change complaing about duplicate wildcard match from error to
6948         warning.
6949
6950         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6951         of 2009-12-30.
6952         (Version_script_info::Version_script_info): Initialize globs_,
6953         default_version_, default_is_global_, and exact_.  Don't
6954         initialize globals_ or locals_.
6955         (Version_script_info::build_lookup_tables): Build local symbols
6956         first.
6957         (Version_script_info::unquote): New function.
6958         (Version_script_info::add_exact_match): New function.
6959         (Version_script_info::build_expression_list_lookup): Remove lookup
6960         parameter.  Add is_global parameter.  Change all callers.  Handle
6961         wildcard pattern specially.  Unquote pattern.  Call
6962         add_exact_match.
6963         (Version_script_info::get_name_to_match): New function.
6964         (Version_script_info::get_symbol_version): New function.
6965         (Version_script_info::get_symbol_version_helper): Remove.
6966         (Version_script_info::check_unmatched_names): Call unquote.
6967         * script.h (class Version_script_info): Change get_symbol_version
6968         to be non-inline and add is_global parameter; change all callers.
6969         Rewrite symbol_is_local.  Update declarations.  Define struct
6970         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6971         Remove globals_ and locals_ members.  Add exact_, globs_,
6972         default_version_, is_global_.
6973         (Version_script_info::Glob): Remove pattern, add expression and
6974         is_global.  Update constructor.  Change all callers.
6975         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6976         default version.
6977         (Versions::symbol_section_contents): If a symbol is undefined, or
6978         defined in a dynamic object, set the version index to
6979         VER_NDX_LOCAL.
6980         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6981         symbol_is_local.
6982         (Symbol_table::add_from_pluginobj): Likewise.
6983         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6984
6985 2010-01-11  Doug Kwan  <dougkwan@google.com>
6986
6987         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6988         (incremental_dump_LDADD): Add linking option for libintl.
6989         * Makefile.in: Regenerate.
6990
6991 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6992
6993         PR gold/11144
6994         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6995         instead of -Ds.
6996         * testsuite/Makefile.in: Regenerated.
6997
6998 2010-01-10  Doug Kwan  <dougkwan@google.com>
6999
7000         * options.h (DEFINE_var): Use parentheses around argument varname__
7001         in macro body to avoid any unintended subsequent substitutions.
7002
7003 2010-01-10  Ian Lance Taylor  <iant@google.com>
7004
7005         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7006         candidates before doing symbol resolution.
7007
7008         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7009         ODR candidates if only one is weak.
7010
7011 2010-01-08  Ian Lance Taylor  <iant@google.com>
7012
7013         * script.cc (Version_script_info::build_expression_list_lookup):
7014         Don't warn about ambiguous version, just record the ambiguity.
7015         (Version_script_info::get_symbol_version_helper): Give error if
7016         version is ambiguous.
7017
7018 2010-01-08  Doug Kwan  <dougkwan@google.com>
7019
7020         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7021           prev_data_size_ and prev_addralign_.  Remove initializer for
7022           deleted data member has_been_changed_.
7023           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7024           to determine if the table is empty.
7025           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7026           Remove.
7027           (Stub_table::add_reloc_stub): Define method in class definition
7028           instead of just declaring it there.
7029           (Stub_table::add_cortex_a8_stub): New method definition.
7030           (Stub_table::update_data_size_and_addralign): Ditto.
7031           (Stub_table::finalize_stubs): Ditto.
7032           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7033           (Stub_table::do_addralign_): Return address alignment in the
7034           (Stub_table::do_reset_address_and_file_offset): Define method in
7035           class definition instead of declaring it there.  Set current data
7036           size to be the data size of the previous pass.
7037           (Stub_table::set_final_data_size): Use current data size as the
7038           final data size.
7039           (Stub_table::relocate_stub): Change parameter type of stub from
7040           Reloc_stub pointer to Stub pointer.
7041           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7042           (Stub_table::Cortex_a8_stub_list): New typedef.
7043           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7044            Stub_table::prev_addralign_): New data member.
7045           (Arm_relobj::Arm_relobj): Initialize data member
7046           section_has_cortex_a8_workaround_.
7047           (Arm_relobj::section_has_cortex_a8_workaround,
7048            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7049            definitions.
7050           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7051           declarations.
7052           (Target_arm::relocate_stub): Change parameter type of stub from
7053           Reloc_stub pointer to Stub pointer.
7054           (Insn_template::size, Insn_template::alignment): Handle
7055           THUMB16_SPECIAL_TYPE.
7056           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7057            Stub_table::update_data_size_and_addralign,
7058            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7059           definitions.
7060           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7061           (Stub_table::do_write): Ditto.
7062           (Target_arm::do_relax): Adjust code for changes in Stub_table.
7063
7064 2010-01-08  Ian Lance Taylor  <iant@google.com>
7065
7066         PR 11108
7067         * symtab.h (class Symbol): Remove fields is_target_special_ and
7068         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7069         (Symbol::is_defined_in_discarded_section): New function.
7070         (Symbol::set_is_defined_in_discarded_section): New function.
7071         (Symbol::has_plt_offset): Rewrite.
7072         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7073         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7074         Don't initialize is_target_special_ or has_plt_offset_.
7075         Initialize is_defined_in_discarded_section_.
7076         (Symbol_table::add_from_relobj): If appropriate, set
7077         is_defined_in_discarded_section.
7078         * resolve.cc (Symbol::override_base_with_special): Don't test
7079         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7080         * target-reloc.h (relocate_section): Do special handling for
7081         symbols defined in discarded sections for global symbols as well
7082         as local symbols.
7083
7084 2010-01-08  Ian Lance Taylor  <iant@google.com>
7085
7086         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7087         the SHT_SYMTAB case.
7088
7089 2010-01-08  Ian Lance Taylor  <iant@google.com>
7090
7091         * object.cc (Sized_relobj::do_layout): Don't get confused if
7092         layout_eh_frame returns NULL.
7093
7094 2010-01-08  Ian Lance Taylor  <iant@google.com>
7095
7096         PR 11084
7097         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7098         dynamic symbol table, use the normal symbol table.
7099         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7100         symbol table.
7101
7102 2010-01-08  Ian Lance Taylor  <iant@google.com>
7103
7104         PR 11072
7105         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7106         sections.
7107
7108 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7109
7110         * version.cc (print_version): Change to "Copyright 2010".
7111
7112 2010-01-08  Ian Lance Taylor  <iant@google.com>
7113
7114         PR 10287
7115         PR 11063
7116         * i386.cc (class Target_i386): Change return type of plt_section
7117         to be non-const.
7118         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7119         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7120         tls_desc_rel_ field.
7121         (Output_data_plt_i386::rel_tls_desc): New function.
7122         (Target_i386::rel_tls_desc_section): New function.
7123         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7124         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7125         R_386_TLS_DESC reloc in rel_tls_desc_section.
7126         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7127         Define struct Tlsdesc_info.
7128         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7129         (Target_x86_64::do_reloc_symbol_index): New function.
7130         (Target_x86_64::add_tlsdesc_info): New function.
7131         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7132         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7133         tlsdesc_rel_ field.
7134         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7135         all callers.
7136         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7137         (Target_x86_64::rela_tlsdesc_section): New function.
7138         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7139         handling.
7140         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7141         (Target_x86_64::do_reloc_addend): New function.
7142         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7143         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7144         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7145         (Output_reloc::type): New function.
7146         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7147         (Output_reloc::is_target_specific): New function.
7148         (Output_reloc::target_arg): New function.
7149         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7150         absolute relocs and target specific relocs.
7151         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7152         add_target_specific.
7153         (class Output_data_reloc) [SHT_RELA]: Likewise.
7154         * output.cc (Output_reloc::Output_reloc): Add four new versions
7155         for absolute relocs and target specific relocs.
7156         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7157         (Output_reloc::get_symbol_index): Likewise.
7158         (Output_reloc::local_section_offset): Check that local_sym_index_
7159         is not TARGET_CODE or 0.
7160         (Output_reloc::symbol_value): Likewise.
7161         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7162         reloc.
7163         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7164         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7165         functions.
7166         * layout.cc (add_target_dynamic_tags): Use output section for
7167         DT_PLTRELSZ and DT_JMPREL.
7168
7169 2010-01-07  Ian Lance Taylor  <iant@google.com>
7170
7171         PR 11061
7172         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7173         function.
7174         (class Output_data_reloc_generic): Define.
7175         (class Output_data_reloc_base): Change base class to
7176         Output_data_reloc_generic.  Change add() method to call
7177         bump_relative_reloc_count for a relative reloc.  Remove
7178         sort_relocs_ field.
7179         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7180         to sort_relocs().
7181         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7182         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7183         appropriate.
7184         * layout.h (class Layout): Update declaration.
7185
7186 2010-01-07  Ian Lance Taylor  <iant@google.com>
7187
7188         * output.h (class Output_data): Add const version of
7189         output_section and do_output_section.
7190         (class Output_section_data): Add const version of
7191         do_output_section.
7192         (class Output_section): Likewise.
7193         * layout.cc (Layout::add_target_dynamic_tags): New function.
7194         * layout.h (class Layout): Update declarations.
7195         * arm.cc (Target_arm::do_finalize_sections): Use
7196         add_target_dynamic_tags.
7197         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7198         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7199         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7200         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7201
7202 2010-01-07  Ian Lance Taylor  <iant@google.com>
7203
7204         PR 11042
7205         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7206         object as needed.
7207
7208 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7209             Ian Lance Taylor  <iant@google.com>
7210
7211         PR 11019
7212         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7213         Xindex::read_symtab_xindex.
7214
7215 2010-01-07  Doug Kwan  <dougkwan@google.com>
7216
7217         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7218         (Insn_template::thumb16_bcond_insn): New method declaration.
7219         (Insn_template): Fix spelling.
7220         (Stub::thumb16_special): New method declaration.
7221         (Stub::do_write): Define virtual method which was previously pure
7222         virtual.
7223         (Stub::do_thumb16_special): New method declaration.
7224         (Stub::do_fixed_endian_write): New template member.
7225         (Reloc_stub::do_write): Remove.
7226         (Reloc_stub::do_fixed_endian_write): Remove.
7227         (Cortex_a8_stub): New class definition.
7228         (Stub_factory::make_cortex_a8_stub): New method definition.
7229         (Stub_factory::Stub_factory): Add missing static storage class
7230         qualifier for elf32_arm_stub_a8_veneer_blx.
7231
7232 2010-01-07  Ian Lance Taylor  <iant@google.com>
7233
7234         PR 10980
7235         * options.h (class General_options): Add --warn-unresolved-symbols
7236         and --error-unresolved-symbols.
7237         * errors.cc (Errors::undefined_symbol): Implement
7238         --warn-unresolved-symbols.
7239
7240         * options.h (class General_options): Add -z text and -z textoff.
7241         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7242
7243 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7244
7245         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7246         (Garbage_collection::cident_sections): New function.
7247         (Garbage_collection::add_cident_section): New function.
7248         (Garbage_collection::cident_sections_): New member.
7249         (gc_process_relocs): Add references to sections whose names are C
7250         identifiers.
7251         * gold.h (cident_section_start_prefix): New constant.
7252         (cident_section_stop_prefix): New constant.
7253         (is_cident): New function.
7254         * layout.cc (Layout::define_section_symbols): Replace string constants
7255         with the newly defined constants.
7256         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7257         C identifiers.
7258         * testsuite/Makefile.am: Add gc_orphan_section_test.
7259         * testsuite/Makefile.in: Regenerate.
7260         * testsuite/gc_orphan_section_test.cc: New file.
7261         * testsuite/gc_orphan_section_test.sh: New file.
7262
7263 2010-01-06  Ian Lance Taylor  <iant@google.com>
7264
7265         PR 10980
7266         * options.h (class General_options): Add --warn-shared-textrel.
7267         * layout.cc (Layout::finish_dynamic_section): Implement
7268         --warn-shared-textrel.
7269
7270         PR 10980
7271         * options.h (class General_options): Add --warn-multiple-gp.
7272
7273 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7274
7275         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7276         $(THREADSLIB) and $(LIBDL).
7277         * Makefile.in: Rebuild.
7278
7279 2010-01-06  Ian Lance Taylor  <iant@google.com>
7280
7281         PR 10980
7282         * options.cc (General_options::parse_section_start): New function.
7283         (General_options::section_start): New function.
7284         (General_options::General_options): Initialize all members.
7285         * options.h: Include <map>
7286         (class General_options): Add --section-start.  Add section_starts_
7287         member.
7288         * layout.cc (Layout::attach_allocated_section_to_segment): If
7289         --section-start was used, set the address of the segment.  Remove
7290         local sort_sections.
7291         (Layout::relaxation_loop_body): If the address of the load segment
7292         has been set by --section-start, don't use it.
7293         * output.h (Output_segment::update_flags_for_output_section): New
7294         function.
7295         * output.cc (Output_segment::add_output_section): Call
7296         update_flags_for_output_section.
7297
7298 2010-01-05  Ian Lance Taylor  <iant@google.com>
7299
7300         PR 10980
7301         * options.h (class General_options): Add --undefined-version.
7302         * script.cc (struct Version_expression): Add was_matched_by_symbol
7303         field.
7304         (Version_script_info::matched_symbol): New function.
7305         (Version_script_info::get_symbol_version_helper): Call
7306         matched_symbol.
7307         (Version_script_info::check_unmatched_names): New function.
7308         * script.h (class Version_script_info): Update declarations.
7309         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7310
7311         * options.h (class General_options): Use DEFINE_bool_alias for
7312         allow_multiple_definition.
7313         * resolve.cc (Symbol_table::should_override): Don't test
7314         allow_multiple_definition.
7315
7316         PR 10980
7317         * options.h (class General_options): Add --cref.
7318         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7319         until after printing cref table.
7320         * cref.cc: Include "symtab.h".
7321         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7322         (Cref_table_compare::operator()): New function.
7323         (Cref_inputs::gather_cref): New function.
7324         (filecol): New static const.
7325         (Cref_inputs::print_cref): New function.
7326         (Cref::print_cref): New function.
7327         * cref.h: Include <cstdio>.
7328         (class Cref): Update declarations.
7329         * mapfile.h (Mapfile::file): New function.
7330         * object.h (class Object): Define Symbols.  Declare virtual
7331         do_get_global_symbols.
7332         (Object::get_global_symbols): New function.
7333         * object.cc (Input_objects::add_object): Pass object to cref_ if
7334         --cref.
7335         (Input_objects::archive_start): Likewise.
7336         (Input_objects::archive_stop): Likewise.
7337         (Input_objects::print_cref): New function.
7338         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7339         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7340         --cref.
7341         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7342         function.
7343         * plugin.h (class Sized_pluginobj): Update declarations.
7344
7345 2010-01-05  Ian Lance Taylor  <iant@google.com>
7346
7347         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7348         to is_default_version.  Rename insdef to insdefault.
7349         (Symbol_table::add_from_relobj): Rename def to is_default_version
7350         and local to is_forced_local.
7351         (Symbol_table::add_from_pluginobj): Likewise.
7352         (Symbol_table::add_from_dynobj): Likewise.
7353         (Symbol_table::define_special_symbol): Rename insdef to
7354         insdefault.
7355
7356 2010-01-04  Ian Lance Taylor  <iant@google.com>
7357
7358         PR 10980
7359         * options.h (class General_options): Add
7360         --allow-multiple-definition and -z muldefs.
7361         * resolve.cc (Symbol_table::should_override): Don't warn about a
7362         multiple symbol definition if --allow-multiple-definition or -z
7363         muldefs.
7364
7365         PR 10980
7366         * options.h (class General_options): Add --add-needed and
7367         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7368         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7369         error if --copy-dt-needed-entries aka --add-needed is used and
7370         would cause a change in behaviour.
7371
7372         PR 10980
7373         * options.h (class General_options): Add -G as a short version of
7374         --shared.  Add no-op options -assert, -g, and -i.
7375
7376 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7377
7378         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7379         check for .text or .gnu.linkonce.t sections.
7380         * icf.cc (Icf::find_identical_sections): Ditto.
7381         Change the detection for mangled function name within the section
7382         name.
7383         * icf.h (is_section_foldable_candidate): New function.
7384
7385 2009-12-30  Ian Lance Taylor  <iant@google.com>
7386
7387         PR 10980
7388         * options.h (class General_options): Permit two dashes with
7389         --retain-symbols-file.
7390
7391 2009-12-30  Ian Lance Taylor  <iant@google.com>
7392
7393         PR 10979
7394         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7395         don't put the file header and segment headers in the text
7396         segment.
7397
7398         PR 10979
7399         * common.cc (Sort_commons::operator()): Stabilize sort when both
7400         entries are NULL.
7401         (Symbol_table::do_allocate_commons_list): When allocating common
7402         symbols, skip a symbol which is no longer common.
7403         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7404         an object before checking its type.
7405         * testsuite/common_test_2.c: New file.
7406         * testsuite/common_test_3.c: New file.
7407         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7408         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7409         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7410         (common_test_2_pic.o, common_test_2.so): New targets.
7411         (common_test_3_pic.o, common_test_3.so): New targets.
7412         * testsuite/Makefile.in: Rebuild.
7413
7414         PR 10979
7415         * script.cc (read_input_script): If we see a new SECTIONS clause,
7416         and we have added an input section, give an error.
7417         * layout.h (class Layout): Add have_added_input_section function.
7418         Add have_added_input_section_ field.
7419         * layout.cc (Layout::Layout): Initialize
7420         have_added_input_section_.
7421         (Layout::layout): Set have_added_input_section_.
7422         (Layout::layout_eh_frame): Likewise.
7423
7424 2009-12-30  Ian Lance Taylor  <iant@google.com>
7425
7426         PR 10931
7427         * options.h (class General_options): Add --sort-common option.
7428         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7429         * common.cc (Sort_common): Add sort_order parameter to
7430         constructor.  Add sort_order_ field.
7431         (Sort_commons::operator): Check sort_order_.
7432         (Symbol_table::allocate_commons): Determine the sort order.
7433         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7434         Change all callers.
7435         (Symbol_table::do_allocate_commons_list): Likewise.
7436
7437 2009-12-30  Ian Lance Taylor  <iant@google.com>
7438
7439         PR 10916
7440         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7441         symbols from this object, don't change the visibility of an
7442         undefined symbol.
7443         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7444
7445 2009-12-30  Ian Lance Taylor  <iant@google.com>
7446
7447         PR 10861
7448         * script.h (class Version_script_info): Define Language enum.
7449         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7450         new fields globals_, locals_, and is_finalized_.
7451         * script.cc: Various formatting fixes.
7452         (class Parser_closure): Change language_stack_ from a vector of
7453         std::string to one of Version_script_info::Language.  Adjust all
7454         uses accordingly.
7455         (class Lazy_demangler): Remove.
7456         (struct Version_expression): Change language from std::string to
7457         Version_script_info::Language.
7458         (Version_script_info::Version_script_info): New function.
7459         (Version_script_info::~Version_script_info): Don't call clear.
7460         (Version_script_info::finalize): New function.
7461         (Version_script_info::build_lookup_tables): New function.
7462         (Version_script_info::build_expression_list_lookup): New
7463         function.
7464         (Version_script_info::get_symbol_version_helper): Rewrite to use
7465         lookup tables.
7466         (Version_script_info::print_expression_list): Adjust to use
7467         Version_script_info::Language.
7468         (script_push_lex_into_version_mode): Check that the version script
7469         has not been finalized.
7470         (version_script_push_lang): Change language string to
7471         Version_script_info::Language.
7472         * options.cc (Command_line::version_script): New function.
7473         * options.h (class General_options): Add finalize_dynamic_list
7474         function.  Change version_script from declaration to definition.
7475         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7476         * testsuite/version_script.map: Remove duplicate def of foo.
7477         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7478         version_script.map.
7479         * testsuite/Makefile.in: Rebuild.
7480
7481 2009-12-30  Ian Lance Taylor  <iant@google.com>
7482
7483         PR 10843
7484         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7485         if the input symbol index is 0, make the output symbol index 0.
7486
7487 2009-12-30  Ian Lance Taylor  <iant@google.com>
7488
7489         PR 10670
7490         * options.h (class General_options): Add -x/--discard-all.
7491         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7492         --discard-all.  If the local symbol needs a dynamic entry, check
7493         that before handling --discard-locals.
7494
7495 2009-12-30  Ian Lance Taylor  <iant@google.com>
7496
7497         PR 10450
7498         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7499         flags to PF_R.
7500         (Output_segment::add_output_section): Don't change the flags if
7501         the type is PT_TLS.
7502
7503         PR 10450
7504         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7505         GNU hash table if they need a dynamic value.  Otherwise, don't add
7506         them if they are defined in a dynamic object or are forced local.
7507
7508 2009-12-29  Ian Lance Taylor  <iant@google.com>
7509
7510         PR 10450
7511         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7512         .gnu.hash table for a 32-bit target.
7513
7514         PR 10450
7515         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7516         regular and a dynamic object only needs a dynamic symbol table
7517         entry if it is externally visible.
7518
7519         PR 10450
7520         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7521         constructor.  Add global_offset_table_ field.
7522         (Target_i386::got_section): Set global_offset_table_.
7523         (Target_i386::do_finalize_sections): Set global_offset_table_
7524         size.
7525         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7526         in constructor.  Add global_offset_table_ field.
7527         (Target_x86_64::got_section): Set global_offset_table_.
7528         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7529         size.
7530
7531         * layout.cc (Layout::Layout): Initialize increase_relro_.
7532         (Layout::get_output_section): Add is_relro, is_last_relro, and
7533         is_first_non_relro parameters.  Change all callers.
7534         (Layout::choose_output_section): Likewise.
7535         (Layout::add_output_section_data): Likewise.
7536         (Layout::make_output_section): Likewise.
7537         (Layout::set_segment_offsets): Clear increase_relro when using a
7538         linker script.
7539         * layout.h (class Layout): Add increase_relro method.  Add
7540         increase_relro_ field.  Update declarations.
7541         * output.cc (Output_section::Output_section): Initialize
7542         is_last_relro_ and is_first_non_relro_.
7543         (Output_segment::add_output_section): Group relro sections is
7544         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7545         (Output_segment::maximum_alignment): Remove relro handling.
7546         (Output_segment::set_section_addresses): Add increase_relro
7547         parameter.  Change all callers.  Add initial alignment to align
7548         relro sections on separate page.  Remove old relro handling.
7549         (Output_segment::set_section_list_addresses): Remove in_relro
7550         parameter.  Change all callers.
7551         (Output_segment::set_offset): Add increase parameter.  Change all
7552         callers.  Remove old relro handling.
7553         * output.h (class Output_section): Add new methods: is_last_relro,
7554         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7555         Add is_last_relro_ and is_first_non_relro_ fields.
7556         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7557         Create separate .got.plt section.  Call increase_relro.
7558         * x86_64.cc (Target_x86_64::got_section): Likewise.
7559         * testsuite/relro_script_test.t: Add .got.plt.
7560
7561         PR 10450
7562         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7563         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7564         (Layout::finalize): Call set_dynamic_symbol_size.
7565         (Layout::set_dynamic_symbol_size): New function.
7566         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7567         set_dynamic_symbol_size.
7568
7569         PR 10450
7570         * output.h (class Output_section): Add is_entsize_zero_ field.
7571         * output.cc (Output_section::Output_section): Initialize
7572         is_entsize_zero_.
7573         (Output_section::set_entsize): If two different entsizes are
7574         requested, force it to zero.
7575         (Output_section::add_input_section): Set flags for .debug_str
7576         before updating section flags.  Set entsize.
7577         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7578         and SHF_STRING if all input sections have those flags.
7579
7580 2009-12-29   Rafael Espindola  <espindola@google.com>
7581
7582         * main.cc (main): Fix the sys time reporting.
7583         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7584         reporting.
7585
7586 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7587
7588         * options.cc (General_options::parse_version): Allow -v to exit
7589         without an error if there is nothing to link.
7590
7591 2009-12-29  Ian Lance Taylor  <iant@google.com>
7592
7593         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7594         using a version of gcc before 4.1.
7595         * configure: Rebuild.
7596
7597 2009-12-28  Chris Demetriou  <cgd@google.com>
7598
7599         * attributes.cc (Output_attributes_section_data::do_write): Use
7600         std::vector::front rather than std::vector::data.
7601
7602 2009-12-28  Ian Lance Taylor  <iant@google.com>
7603
7604         * symtab.h (class Symbol_table): Add enum Defined.
7605         * resolve.cc (Symbol_table::should_override): Add defined
7606         parameter.  Change all callers.  Test whether object is NULL
7607         before calling a method on it.
7608         (Symbol_table::report_resolve_problem): Add defined parameter.
7609         Change all callers.
7610         (Symbol_table::should_override_with_special): Likewise.
7611         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7612         parameter.  Change all callers.
7613         (Symbol_table::do_define_in_output_data): Likewise.
7614         (Symbol_table::define_in_output_segment): Likewise.
7615         (Symbol_table::do_define_in_output_segment): Likewise.
7616         (Symbol_table::define_as_constant): Likewise.
7617         (Symbol_table::do_define_as_constant): Likewise.
7618         * script.h (class Symbol_assignment): Add is_defsym parameter to
7619         constructor; change all callers.
7620         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7621         parameter.  Change all callers.  Add is_defsym_ field.
7622         (class Parser_closure): Add parsing_defsym parameter to
7623         constructor; change all callers.  Add parsing_defsym accessor
7624         function.  Add parsing_defsym_ field.
7625
7626 2009-12-28  Ian Lance Taylor  <iant@google.com>
7627
7628         * gold.cc (queue_middle_tasks): Fix formatting.
7629         * object.cc (Relobj::is_section_name_included): Likewise.
7630
7631 2009-12-23  Ian Lance Taylor  <iant@google.com>
7632
7633         * i386.cc (Target_i386::do_calls_non_split): Recognize
7634         -fsplit-stack prologue for a function with a static chain.
7635         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7636         -fsplit-stack prologue when using %r11.
7637
7638 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7639
7640         * options.cc (General_options::parse_version): Make -v continue and do
7641         the link like GNU ld does.
7642
7643 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7644
7645         * Makefile.am (CCFILES): Add timer.cc.
7646         (HFILES): Add timer.h.
7647         * configure.ac: Check for sysconf and times.
7648         * main.cc: include timer.h.
7649         (main): Use Timer instead of get_run_time.
7650         * timer.cc: New.
7651         * timer.h: New.
7652         * workqueue.cc: include timer.h.
7653         (Workqueue::find_and_run_task):
7654         Report user, sys and wall time.
7655         * Makefile.in: Regenerate.
7656         * config.in: Regenerate.
7657         * configure: Regenerate.
7658
7659 2009-12-16  Doug Kwan  <dougkwan@google.com>
7660
7661         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7662         sections.
7663         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7664         relaxed input sections.
7665         * output.cc (Output_section::find_relaxed_input_section): Change
7666         return type to Output_relaxed_input_section pointer.  Adjust code
7667         for new type of relaxed_input_section_map_.
7668         * output.h (Output_section::find_relaxed_input_section): Change
7669         return type to Output_relaxed_input_section pointer.
7670         (Output_section::Output_relaxed_input_section_by_input_section_map):
7671         New type.
7672         (Output_section::relaxed_input_section_map_): Change type to
7673         Output_section::Output_relaxed_input_section_by_input_section_map.
7674         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7675         input section.
7676
7677 2009-12-15  Ian Lance Taylor  <iant@google.com>
7678
7679         * layout.cc (Layout::create_shstrtab): Only write out after input
7680         sections if we are compressing debug sections.
7681
7682 2009-12-15  Ian Lance Taylor  <iant@google.com>
7683
7684         * archive.cc (Archive::add_symbols): Only look up a symbol without
7685         a version if there is, in fact, a version.
7686
7687 2009-12-14  Ian Lance Taylor  <iant@google.com>
7688
7689         Revert -Wshadow changes, all changes from:
7690         2009-12-11  Doug Kwan  <dougkwan@google.com>
7691         2009-12-11  Nick Clifton  <nickc@redhat.com>
7692         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7693
7694 2009-12-11  Doug Kwan  <dougkwan@google.com>
7695
7696         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7697         due to -Wshadow.
7698         * attributes.cc (Object_attribute::size): Ditto.
7699         (Attributes_section_data::size): Ditto.
7700         (Attributes_section_data::Attributes_section_data): Ditto.
7701         (Output_attributes_section_data::do_write): Ditto.
7702         * attributes.h (Object_attribute::set_type): Ditto.
7703         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7704
7705 2009-12-11  Nick Clifton  <nickc@redhat.com>
7706
7707         * archive.cc: Fix shadowed variable warnings.
7708         * arm.cc: Likewise.
7709         * compressed_output.cc: Likewise.
7710         * compressed_output.h: Likewise.
7711         * configure: Likewise.
7712         * dwarf_reader.cc: Likewise.
7713         * dynobj.cc: Likewise.
7714         * dynobj.h: Likewise.
7715         * ehframe.cc: Likewise.
7716         * ehframe.h: Likewise.
7717         * errors.cc: Likewise.
7718         * expression.cc: Likewise.
7719         * fileread.cc: Likewise.
7720         * fileread.h: Likewise.
7721         * freebsd.h: Likewise.
7722         * i386.cc: Likewise.
7723         * icf.cc: Likewise.
7724         * incremental.h: Likewise.
7725         * layout.cc: Likewise.
7726         * layout.h: Likewise.
7727         * mapfile.cc: Likewise.
7728         * merge.cc: Likewise.
7729         * merge.h: Likewise.
7730         * object.cc: Likewise.
7731         * object.h: Likewise.
7732         * options.h: Likewise.
7733         * output.cc: Likewise.
7734         * output.h: Likewise.
7735         * parameters.cc: Likewise.
7736         * plugin.cc: Likewise.
7737         * powerpc.cc: Likewise.
7738         * reduced_debug_output.cc: Likewise.
7739         * reduced_debug_output.h: Likewise.
7740         * reloc.cc: Likewise.
7741         * reloc.h: Likewise.
7742         * resolve.cc: Likewise.
7743         * script-sections.cc: Likewise.
7744         * script.cc: Likewise.
7745         * script.h: Likewise.
7746         * sparc.cc: Likewise.
7747         * symtab.cc: Likewise.
7748         * symtab.h: Likewise.
7749         * target-select.cc: Likewise.
7750         * target-select.h: Likewise.
7751         * token.h: Likewise.
7752         * workqueue.cc: Likewise.
7753         * workqueue.h: Likewise.
7754         * x86_64.cc: Likewise.
7755
7756 2009-12-10  Doug Kwan  <dougkwan@google.com>
7757
7758         * arm.cc (attributes.h): New include.
7759         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7760         (Arm_relobj::~Arm_relobj): Delete object pointed by
7761         attributes_section_data_.
7762         (Arm_relobj::attributes_section_data): New method definition.
7763         (Arm_relobj::attributes_section_data_): New data member declaration.
7764         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7765         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7766         attributes_section_data_.
7767         (Arm_dynobj::attributes_section_data): New method definition.
7768         (Arm_dynobj::attributes_section_data_): New data member declaration.
7769         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7770         initialization value of may_use_blx_ to false.
7771         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7772         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7773         object attributes to compute results instead of hard-coding.
7774         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7775         Target_arm::get_secondary_compatible_arch,
7776         Target_arm::set_secondary_compatible_arch
7777         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7778         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7779         New method declarations.
7780         (Target_arm::get_aeabi_object_attribute): New method definition.
7781         (Target_arm::attributes_section_data_): New data member declaration.
7782         (read_arm_attributes_section): New template definition.
7783         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7784         (Arm_dynobj::do_read_symbols): Ditto.
7785         (Target_arm::do_finalize_sections): Merge attributes sections from
7786         input.  Check for BLX use after attributes section merging.
7787         Fix __exidx_start and __exidx_end visibility.  Create an
7788         .ARM.attributes section if necessary.
7789         (Target_arm::get_secondary_compatible_arch,
7790         Target_arm::set_secondary_compatible_arch,
7791         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7792         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7793         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7794         New method definitions.
7795
7796 2009-12-09  Ian Lance Taylor  <iant@google.com>
7797
7798         * plugin.cc (Plugin::load): Don't cast from void* to a function
7799         pointer.
7800
7801 2009-12-09  Ian Lance Taylor  <iant@google.com>
7802
7803         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7804         information fields.
7805
7806 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7807
7808         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7809         Replace two_file_shared_1.so with two_file_shared_2.so.
7810         * testsuite/Makefile.in: Regenerated.
7811
7812 2009-12-08  Doug Kwan  <dougkwan@google.com>
7813
7814         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7815         (HFILES): Add attributes.h and int_encoding.h.
7816         * Makefile.in: Regenerate.
7817         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7818         function definitions to int_encoding.cc
7819         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7820         prototypes to int_encoding.h
7821         * reduced_debug_output.cc (int_encoding.h): New include.
7822         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7823         function definitions to int_encoding.cc
7824         (insert_into_vector, read_from_pointer): Move template definitions to
7825         int_encoding.h
7826         * attributes.cc: New file.
7827         * attributes.h: New file.
7828         * int_encoding.cc: New file.
7829         * int_encoding.h: New file.
7830
7831 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7832
7833         PR gold/11055
7834         * incremental-dump.cc (dump_incremental_inputs): New.
7835         (main): Use dump_incremental_inputs.
7836
7837 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7838
7839         PR gold/10893
7840         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7841         checking elfcpp::STT_FUNC.
7842         (Target_i386::Relocate::relocate): Likewise.
7843         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7844
7845         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7846         symbols from shared libraries into normal FUNC symbols.
7847
7848         * symtab.h (Symbol): Add is_func and use it.
7849
7850 2009-12-05  Doug Kwan  <dougkwan@google.com>
7851
7852         * arm.cc (Target_arm::arm_info): Initialize new fields
7853         attributes_section and attributes_vendor.
7854         * i386.cc (Target_i386::i386_info): Same.
7855         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7856         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7857         fields attributes_section and attributes_vendor.
7858         * sparc.cc (Target_sparc::sparc_info): Same.
7859         * target.h (Target::attributes_section, Target::attributes_vendor,
7860         Target::is_attributes_section, Target::attribute_arg_type,
7861         Target::attributes_order): New method definitions.
7862         (Target::Target_info::attributes_section,
7863         Target::Target_info::attributes_vendor): New fields.
7864         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7865         virtual method definitions.
7866         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7867         attributes_section and attributes_vendor.
7868         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7869
7870 2009-12-05  Doug Kwan  <dougkwan@google.com>
7871
7872         * arm.cc: Update comments about interworking and stub generation.
7873         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7874         considered as non-PIC.
7875         (Arm_relocate_functions::base_abs): Fix formatting.
7876         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7877         of function to use GOT entry address instead of offset.
7878         (Target_arm::Scan::global): Issue an error if a symbol would need a
7879         PLT does not get one because it is untyped.  Remove code to create
7880         dynamic symbols for relative branches.
7881         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7882         takes unsigned integer instead of boolean.
7883
7884 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7885
7886         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7887         (two_file_test_LDADD): Likewise.
7888         (common_test_1_LDADD): Likewise.
7889         (exception_test_LDADD) Likewise.
7890         (weak_test_LDADD): Likewise.
7891         (many_sections_test_LDADD): Likewise.
7892         (initpri1_LDADD): Likewise.
7893         (script_test_1_LDADD): Likewise.
7894         (script_test_2_LDADD): Likewise.
7895         (justsyms_LDADD): Likewise.
7896         (binary_test_LDADD): Likewise.
7897         (large_LDADD): Likewise.
7898         * testsuite/Makefile.in: Regenerated.
7899
7900 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7901
7902         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7903         (Symbol_table::override_with_special): Likewise.
7904         (Symbol_table::add_from_object): Likewise.
7905
7906 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7907
7908         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7909         Don't set the data_offset twice.
7910
7911 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7912
7913         * testsuite/Makefile.in: Regenerate.
7914
7915 2009-12-03  Doug Kwan  <dougkwan@google.com>
7916
7917         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7918         (Target_arm::do_finalize_sections): Add parameter for symbol table
7919         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7920         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7921         parameter for symbol table pointer.
7922         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7923         an additional parameter for a pointer to symbol table.
7924         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7925         parameter for a symbol table pointer.
7926         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7927         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7928         Ditto.
7929         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7930         parameter for a symbol table pointer.
7931
7932 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7933
7934         * incremental.cc (Incremental_inputs_header)
7935         (Incremental_inputs_header_write, Incremental_inputs_entry)
7936         (Incremental_inputs_entry_write): Move ...
7937         * incremental.h (Incremental_inputs_header)
7938         (Incremental_inputs_header_write, Incremental_inputs_entry)
7939         (Incremental_inputs_entry_write): here.
7940
7941 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7942
7943         * incremental.cc (make_sized_incremental_binary): Set the target.
7944         Error if it is incompatible.
7945         * output.h (Output_file): Add filename method.
7946
7947 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7948
7949         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7950         from the get_* methods.
7951
7952 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7953
7954         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7955         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7956         Write 0 for the data_offset of scripts.
7957
7958 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7959
7960         * testsuite/Makefile.am: Add the incremental_test.sh test.
7961         * testsuite/incremental_test.sh: New.
7962         * testsuite/incremental_test_1.c: New.
7963         * testsuite/incremental_test_2.c: New.
7964
7965 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7966
7967        * incremental-dump.cc (main): Fix typos.
7968
7969 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7970
7971         PR gold/11025
7972         * incremental-dump.cc (main): Use llu to print 64 bit values.
7973
7974 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7975             H.J. Lu  <hongjiu.lu@intel.com>
7976
7977         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7978         $(LIBDL).
7979         (incremental_dump_LDADD): Likewise.
7980         * Makefile.in: Regenerated.
7981
7982 2009-11-25  Doug Kwan  <dougkwan@google.com>
7983
7984         Revert:
7985
7986         2009-11-25  Doug Kwan  <dougkwan@google.com>
7987
7988                 * arm.cc (Target_arm::Target_arm): Move method definition
7989                 outside of class definition.  Add code to handle
7990                 --target1-rel, --target1-abs and --target2= options.
7991                 (Target_arm::get_reloc_reloc_type): Change method to be
7992                 non-static and const.
7993                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7994                 New data member declaration.
7995                 (Target_arm::Scan::local, Target_arm::Scan::global,
7996                 Target_arm::Relocate::relocate,
7997                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7998                 Adjust call to Target_arm::get_real_reloc_type.
7999                 (Target_arm::get_real_reloc_type): Use command line options
8000                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8001                 * options.h (--target1-rel, --target1-abs, --target2): New
8002                 ARM-only options.
8003
8004 2009-11-25  Doug Kwan  <dougkwan@google.com>
8005
8006         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8007         class definition.  Add code to handle --target1-rel, --target1-abs
8008         and --target2= options.
8009         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8010         and const.
8011         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8012         member declaration.
8013         (Target_arm::Scan::local, Target_arm::Scan::global,
8014         Target_arm::Relocate::relocate,
8015         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8016         call to Target_arm::get_real_reloc_type.
8017         (Target_arm::get_real_reloc_type): Use command line options to
8018         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8019         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8020         options.
8021
8022 2009-11-25  Doug Kwan  <dougkwan@google.com>
8023
8024         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8025         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8026         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8027         formatting.
8028         (Arm_relocate_functions::thm_call): Replace body with a call to
8029         Arm_relocate_functions::thumb_branch_common.
8030         (Arm_relocate_functions::thm_jump24,
8031         Arm_relocate_functions::thm_xpc22): New method definitions.
8032         (Arm_relocate_functions::thumb_branch_common): New method definition.
8033         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8034         operator.
8035         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8036         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8037
8038 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8039
8040         * Makefile.am: Build incremental-dump
8041         * Makefile.in: Regenerate.
8042         * incremental-dump.cc: New.
8043         * incremental.cc (Incremental_inputs_header_data,
8044         Incremental_inputs_entry_data): Move to incremental.h
8045         * incremental.h: (Incremental_inputs_header_data,
8046         Incremental_inputs_entry_data): Move from incremental.cc
8047
8048 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8049
8050         * incremental.cc (Incremental_inputs_header,
8051         Incremental_inputs_header_write, Incremental_inputs_entry,
8052         Incremental_inputs_entry_write): Add a typedef with the data type.
8053
8054 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8055
8056         * incremental.cc (Incremental_inputs_header,
8057         Incremental_inputs_header_write, Incremental_inputs_entry,
8058         Incremental_inputs_entry_write): Update comment about which
8059         type has the filed descriptions.
8060
8061 2009-11-15  Doug Kwan  <dougkwan@google.com>
8062
8063         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8064         (Arm_relocate_functions::arm_branch_common): Change method defintion
8065         in class definition to a method declaration and update list of formal
8066         parameters.
8067         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8068         Arm_relocation_functions::jump24): Adjust call to
8069         Arm_relocate_functions::arm_branch_common.  Update list of formal
8070         parameters.
8071         (Arm_relocate_functions::xpc25): New method definition.
8072         (Arm_relocate_functions::arm_branch_common): Move method defintion
8073         out from class definition.  Use stubs for mode-switching and extending
8074         branch ranges.
8075         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8076         specially.  Change code to enable use of stubs in ARM branches.
8077
8078 2009-11-10  Doug Kwan  <dougkwan@google.com>
8079
8080         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8081         in method declaration.
8082         (Target_arm::relocate_stub): New method declaration.
8083         (Target_arm::default_target): Change to return a pointer instead of
8084         a const reference.
8085         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8086         Target_arm::default_target.
8087         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8088         method definition.
8089         (Target_arm::relocate_section): Adjust view.
8090         (Target_arm::relocate_stub): New method definition.
8091
8092 2009-11-10  Doug Kwan  <dougkwan@google.com>
8093
8094         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8095         a format warning.
8096         * incremental.cc (open_incremental_binary): Initialized local
8097         variables to avoid warnings.
8098         * object.cc (make_elf_object): Ditto.
8099         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8100         a format warning.
8101
8102 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8103
8104         PR gold/10930
8105         * testsuite/plugin_test.c: Include "config.h".
8106
8107 2009-11-09  Doug Kwan  <dougkwan@google.com>
8108
8109         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8110         (arm_symbol_value): Remove.
8111         (Arm_relocate_functions::arm_branch_common,
8112         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8113         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8114         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8115         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8116         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8117         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8118         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8119         Arm_relocate_functions::thm_mobw_abs_nc,
8120         Arm_relocate_functions::thm_mov_abs,
8121         Arm_relocate_functions::movw_prel_nc,
8122         Arm_relocate_functions::thm_movt_abs,
8123         Arm_relocate_functions::movt_prel,
8124         Arm_relocate_functions::thm_movw_prel_nc,
8125         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8126         (Target_arm::Relocate::relocate): Only decompose address into two
8127         parts if relocation type uses the thumb-bit and pass the actual
8128         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8129         calls to methods in Arm_relocate_functions for this change.
8130
8131 2009-11-08  Ian Lance Taylor  <iant@google.com>
8132
8133         PR 10925
8134         * reloc.cc: Instantiate
8135         Sized_relobj::initialize_input_to_output_maps and
8136         Sized_relobj:free_input_to_output_maps.
8137
8138 2009-11-06  Ian Lance Taylor  <iant@google.com>
8139
8140         PR 10876
8141         * defstd.cc (in_segment): Set only_if_ref true for "end".
8142
8143 2009-11-06  Doug Kwan  <dougkwan@google.com>
8144
8145         * arm.cc (class Reloc_stub): Correct a comment.
8146         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8147         (Target_arm::scan_section_for_stubs): New method declaration.
8148         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8149         Change methods from private to protected.
8150         (Target_arm::do_may_relax): New method definition.
8151         (Target_arm::do_relax, Target_arm::group_sections,
8152         Target_arm::scan_reloc_for_stub,
8153         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8154         (Target_arm::arm_input_section_map_): New data member declaration.
8155         (Target_arm::scan_reloc_for_stub,
8156         Target_arm::scan_reloc_section_for_stubs,
8157         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8158         Target_arm::do_relax): New method definitions.
8159
8160 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8161
8162         * configure.ac: Check for (struct stat)::st_mtim
8163         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8164         * config.in: Regenerate.
8165         * configure: Regenerate.
8166
8167 2009-11-05  Ian Lance Taylor  <iant@google.com>
8168
8169         PR 10910
8170         * output.cc (Output_segment::add_output_section): Add missing
8171         return statement.
8172
8173 2009-11-04  Ian Lance Taylor  <iant@google.com>
8174
8175         PR 10880
8176         * object.h (class Object): Add is_needed and set_is_needed
8177         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8178         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8179         defined in a dynamic object and referenced by a regular object,
8180         set is_needed for the dynamic object.
8181         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8182         if the file is marked with as_needed and it is not needed.
8183
8184 2009-11-04  Ian Lance Taylor  <iant@google.com>
8185
8186         PR 10887
8187         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8188         tags if data is discarded by linker script.
8189         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8190         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8191         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8192         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8193
8194 2009-11-04  Ian Lance Taylor  <iant@google.com>
8195
8196         * layout.cc (Layout::get_output_section): Add is_interp and
8197         is_dynamic_linker_section parameters.  Change all callers.
8198         (Layout::choose_output_section): Likewise.
8199         (Layout::make_output_section): Likewise.
8200         (Layout::add_output_section_data): Add is_dynamic_linker_section
8201         parameter.  Change all callers.
8202         * layout.h (class Layout): Update declarations.
8203         * output.h (class Output_section): Add is_interp, set_is_interp,
8204         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8205         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8206         generate_code_fills_at_write_ to a bitfield.
8207         * output.cc (Output_section::Output_sections): Initialize new
8208         fields.
8209         (Output_segment::add_output_section): Add do_sort parameter.
8210         Change all callers.
8211
8212 2009-11-03  Ian Lance Taylor  <iant@google.com>
8213
8214         PR 10860
8215         * options.h (class General_options): Add --warn-common.
8216         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8217         merging two common symbols.
8218         (Symbol_table::should_override): Handle --warn-common when merging
8219         a common symbol with a defined symbol.  Use report_resolve_problem
8220         for multiple definitions.
8221         (Symbol_table::report_resolve_problem): New function.
8222         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8223
8224 2009-11-03  Doug Kwan  <dougkwan@google.com>
8225
8226         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8227         stub_factory_.
8228         (Target_arm::stub_factory): New method definition.
8229         (Target_arm::new_arm_input_section,
8230         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8231         Target_arm::reloc_uses_thumb_bit): New method declarations.
8232         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8233         New type definitions.
8234         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8235         member declarations.
8236         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8237         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8238         New method definitions.
8239
8240 2009-11-03  Ian Lance Taylor  <iant@google.com>
8241
8242         * options.h (class General_options): Add --warn_constructors.
8243
8244 2009-11-03  Ian Lance Taylor  <iant@google.com>
8245
8246         PR 10893
8247         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8248         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8249
8250 2009-11-03  Ian Lance Taylor  <iant@google.com>
8251
8252         PR 10895
8253         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8254         --msgid-bugs-address.
8255         (install-pdf): New target.
8256         (install-data_yes): Look up one directory to find mkinstalldirs.
8257
8258 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8259
8260         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8261         tree.
8262
8263 2009-10-30  Doug Kwan  <dougkwan@google.com>
8264
8265         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8266
8267 2009-10-30  Doug Kwan  <dougkwan@google.com>
8268
8269         * arm.cc (Stub_addend_reader): New struct template definition
8270         and partial specializations.
8271         (Stub_addend_reader::operator()): New method definition for a
8272         partially specialized template.
8273
8274 2009-10-30  Doug Kwan  <dougkwan@google.com>
8275
8276         * arm.cc (Arm_relobj::processor_specific_flags): New method
8277         definition.
8278         (Arm_relobj::do_read_symbols): New method declaration.
8279         (Arm_relobj::processor_specific_flags_): New data member declaration.
8280         (Arm_dynobj): New class definition.
8281         (Target_arm::do_finalize_sections): Add input_objects parameter.
8282         (Target_arm::do_adjust_elf_header): New method declaration.
8283         (Target_arm::are_eabi_versions_compatible,
8284         (Target_arm::merge_processor_specific_flags): New method declaration.
8285         (Target_arm::do_make_elf_object): New overloaded method definitions
8286         and declaration.
8287         (Arm_relobj::do_read_symbols): New method definition.
8288         (Arm_dynobj::do_read_symbols): Ditto.
8289         (Target_arm::do_finalize_sections): Add input_objects parameters.
8290         Merge processor-specific flags from all input objects.
8291         (Target_arm::are_eabi_versions_compatible,
8292         Target_arm::merge_processor_specific_flags,
8293         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8294         New method definitions.
8295         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8296         Input_objects pointer type parameter.
8297         * layout.cc (Layout::finalize): Pass input objects to target's.
8298         finalize_sections function.
8299         * output.cc (Output_file_header::do_sized_write): Set ELF file
8300         header's processor-specific flags.
8301         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8302         Input_objects pointer type parameter.
8303         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8304         * target.h (Input_objects): New forward class declaration.
8305         (Target::processor_specific_flags,
8306         Target::are_processor_specific_flags_sect): New method definitions.
8307         (Target::finalize_sections): Add input_objects parameter.
8308         (Target::Target): Initialize processor_specific_flags_ and
8309         are_processor_specific_flags_set_.
8310         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8311         parameter.
8312         (Target::set_processor_specific_flags): New method definition.
8313         (Target::processor_specific_flags_,
8314         Target::are_processor_specific_flags_set_): New data member
8315         declarations.
8316         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8317         Input_objects pointer type parameter.
8318
8319 2009-10-30  Doug Kwan  <dougkwan@google.com>
8320
8321         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8322
8323 2009-10-28  Ian Lance Taylor  <iant@google.com>
8324
8325         * object.h (class Relobj): Drop options parameter from
8326         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8327         do_scan_relocs, do_relocate.  Change all callers.
8328         (class Sized_relobj): Drop options parameters from
8329         do_gc_process_relocs, do_scan_relocs, do_relocate,
8330         do_relocate_sections, relocate_sections, emit_relocs_scan,
8331         emit_relocs_scan_reltype.  Change all callers.
8332         (struct Relocate_info): Remove options field and all references to
8333         it.
8334         * reloc.h (class Read_relocs): Remove options constructor
8335         parameter and options_ field.  Change all callers.
8336         (class Gc_process_relocs, class Scan_relocs): Likewise.
8337         (class Relocate_task): Likewise.
8338         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8339         all callers.
8340         (scan_relocatable_relocs): Likewise.
8341         * target.h (class Sized_target): Remove options parameter from
8342         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8343         all callers.
8344         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8345         callers.
8346         * arm.cc: Update functions to remove options parameters.
8347         * i386.cc: Likewise.
8348         * powerpc.cc: Likewise.
8349         * sparc.cc: Likewise.
8350         * x86_64.cc: Likewise.
8351         * testsuite/testfile.cc: Likewise.
8352
8353 2009-10-28  Doug Kwan  <dougkwan@google.com>
8354
8355         * arm.cc (Arm_relobj): New class definition.
8356         (Arm_relobj::scan_sections_for_stubs,
8357         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8358         New method definitions.
8359
8360 2009-10-28  Cary Coutant  <ccoutant@google.com>
8361
8362         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8363         (Plugin::cleanup_done_): New member.
8364         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8365         (Plugin_manager::cleanup_done_): Remove.
8366         (Plugin_manager::add_input_file): Edit error message.
8367         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8368         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8369
8370 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8371
8372         * fileread.cc: (File_read::View::~View): Use the new
8373         data_ownership_ filed.
8374         (File_read::~File_read): Dispose the new whole_file_view_.
8375         (File_read::open): Mmap the whole file if needed.
8376         (File_read::open): Use whole_file_view_ instead of contents_.
8377         (File_read::find_view): Use whole_file_view_ if applicable.
8378         (File_read::do_read): Use whole_file_view_ instead of contents_.
8379         (File_read::make_view): Use whole_file_view_ instead of contents_,
8380         update File_read::View::View call.
8381         (File_read::find_or_make_view): Update File_read::View::View
8382         call.
8383         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8384         remove contents_
8385         (File_read::View::Data_ownership): New enum.
8386         (File_read::View::View): Replace bool mapped_ with Data_ownership
8387         argument.
8388         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8389         (File_read::View::data_ownership_): New field.
8390         (File_read::contents_): Remove (replaced by whole_file_view_).
8391         (File_read::whole_file_view_): New field.
8392         * options.h (class General_options): Add --keep-files-mapped.
8393
8394 2009-10-27  Cary Coutant  <ccoutant@google.com>
8395
8396         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8397         * testsuite/Makefile.am (plugin_test_5): New test case.
8398         * testsuite/Makefile.in: Regenerate.
8399
8400 2009-10-25  Doug Kwan  <dougkwan@google.com>
8401
8402         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8403         from private to protected to allow access by child class.
8404         (Sized_relobj::do_relocate_sections): New method declaration.
8405         (Sized_relobj::relocate_sections): Virtualize.
8406         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8407         Sized_relobj::relocate_sections.  Instantiate template explicitly
8408         for different target sizes and endianity.
8409
8410 2009-10-24  Doug Kwan  <dougkwan@google.com>
8411
8412         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8413         (Arm_input_section::as_arm_input_section): New method.
8414         (Arm_output_section): New class definition.
8415         (Arm_output_section::create_stub_group,
8416         Arm_output_section::group_sections): New method definitions.
8417
8418 2009-10-22  Doug Kwan  <dougkwan@google.com>
8419
8420         * arm.cc (Arm_input_section): New class definition.
8421         (Arm_input_section::init, Arm_input_section:do_write,
8422         Arm_input_section::set_final_data_size,
8423         Arm_input_section::do_reset_address_and_file_offset): New method
8424         definitions.
8425
8426 2009-10-21  Doug Kwan  <dougkwan@google.com>
8427
8428         * arm.cc (Stub_table, Arm_input_section): New forward class
8429         declarations.
8430         (Stub_table): New class defintion.
8431         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8432         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8433         New method definition.
8434
8435 2009-10-21  Doug Kwan  <dougkwan@google.com>
8436
8437         * arm.cc: Update copyright comments.
8438         (Target_arm): New forward class template declaration.
8439         (Arm_address): New type.
8440         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8441         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8442         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8443         constants.
8444         (Insn_template): Same.
8445         (DEF_STUBS): New macro.
8446         (Stub_type): New enum type.
8447         (Stub_template): New class definition.
8448         (Stub): Same.
8449         (Reloc_stub): Same.
8450         (Stub_factory): Same.
8451         (Target_arm::Target_arm): Initialize may_use_blx_ and
8452         should_force_pic_veneer_.
8453         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8454         Target_arm::should_force_pic_veneer,
8455         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8456         Target_arm::using_thumb_only, Target_arm:;default_target): New
8457         method defintions.
8458         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8459         New data member declarations.
8460         (Insn_template::size, Insn_template::alignment): New method defintions.
8461         (Stub_template::Stub_template): New method definition.
8462         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8463         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8464         (Stub_factory::Stub_factory): New method definition.
8465         * gold.h (string_hash): New template.
8466         * output.h (Input_section_specifier::hash_value): Use
8467         gold::string_hash.
8468         (Input_section_specifier::string_hash): Remove.
8469         * stringpool.cc (Stringpool_template::string_hash): Use
8470         gold::string_hash.
8471
8472 2009-10-20  Doug Kwan  <dougkwan@google.com>
8473
8474         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8475         symbols of relaxed input sections.
8476         * output.h (Output_section::find_relaxed_input_section): Make
8477         method public.
8478
8479 2009-10-16  Doug Kwan  <dougkwan@google.com>
8480
8481         * dynobj.cc (Versions::Versions): Initialize version_script_.
8482         Only insert base version symbol definition for a shared object
8483         if version script defines any version versions.
8484         (Versions::define_base_version): New method definition.
8485         (Versions::add_def): Check that base version is not needed.
8486         (Versions::add_need): Define base version lazily.
8487         * dynobj.h (Versions::define_base_version): New method declaration.
8488         (Versions::needs_base_version_): New data member declaration.
8489         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8490         (check_DATA): Add no_version_test.stdout.
8491         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8492         New make rules.
8493         * testsuite/Makefile.in: Regenerate.
8494         * testsuite/no_version_test.c: New file.
8495         * testsuite/no_version_test.sh: Ditto.
8496
8497 2009-10-16  Doug Kwan  <dougkwan@google.com>
8498
8499         * expression.cc (class Segment_start_expression): New class definition.
8500         (Segment_start_expression::value): New method definition.
8501         (script_exp_function_segment_start): Return a new
8502         Segment_start_expression.
8503         * gold/script-c.h (script_saw_segment_start_expression): New function
8504         prototype.
8505         * script-sections.cc (Script_sections::Script_sections): Initialize
8506         SAW_SEGMENT_START_EXPRESSION_ to false.
8507         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8508         and -Tbbs options to specify section addresses if given in
8509         command line and no SEGMENT_START expression is seen in a script.
8510         * script-sections.h (Script_sections::saw_segment_start_expression,
8511         Script_sections::set_saw_segment_start_expression): New method
8512         definition.
8513         (Script_sections::saw_segment_start_expression_): New data member
8514         declaration.
8515         * script.cc (script_saw_segment_start_expression): New function.
8516         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8517         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8518         script_test_7.sh and script_test_8.sh.
8519         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8520         script_test_8.stdout.
8521         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8522         (script_test_6, script_test_6.stdout, script_test_7,
8523         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8524         * Makefile.in: Regenerate.
8525         * testsuite/script_test_6.sh: New file.
8526         * testsuite/script_test_6.t: Same.
8527         * testsuite/script_test_7.sh: Same.
8528         * testsuite/script_test_7.t: Same.
8529         * testsuite/script_test_8.sh: Same.
8530
8531 2009-10-16  Doug Kwan  <dougkwan@google.com>
8532
8533         * output.cc (Output_segment::set_section_list_address): Cast
8534         expressions to unsigned long long type to avoid format warnings.
8535
8536 2009-10-15  Ian Lance Taylor  <iant@google.com>
8537
8538         * script.cc (Script_options::add_symbol_assignment): Always add a
8539         dot assignment to script_sections_.
8540         * script-sections.cc (Script_sections::add_dot_assignment):
8541         Initialize if necessary.
8542
8543         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8544         program headers with no load segment if there is a linker script.
8545
8546         * layout.cc (Layout::set_segment_offsets): Align the file offset
8547         to the segment aligment for -N or -n with no load segment.
8548         * output.cc (Output_segment::add_output_section): Don't crash if
8549         the first section is a TLS section.
8550         (Output_segment::set_section_list_addresses): Print an error
8551         message if the address moves backward in a linker script.
8552         * script-sections.cc
8553         (Output_section_element_input::set_section_addresses): Don't
8554         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8555         (Orphan_output_section::set_section_addresses): Likewise.
8556
8557 2009-10-15  Doug Kwan  <dougkwan@google.com>
8558
8559         * layout.cc (Layout::finish_dynamic_section): Generate tags
8560         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8561         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8562         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8563
8564 2009-10-14  Ian Lance Taylor  <iant@google.com>
8565
8566         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8567         fields.
8568         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8569         data_shdr fields of relinfo.
8570         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8571         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8572         R_386_TLS_LDO_32, adjust based on section flags.
8573         (Target_i386::Relocate::fix_up_ldo): Remove.
8574
8575 2009-10-13  Ian Lance Taylor  <iant@google.com>
8576
8577         Add support for -pie.
8578         * options.h (class General_options): Add -pie and
8579         --pic-executable.
8580         (General_options::output_is_position_independent): Test -pie.
8581         (General_options::output_is_executable): Return true if not shared
8582         and not relocatable.
8583         (General_options::output_is_pie): Remove.
8584         * options.cc (General_options::finalize): Reject incompatible uses
8585         of -pie.
8586         * gold.cc (queue_middle_tasks): A -pie link is not static.
8587         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8588         * symtab.cc (Symbol::final_value_is_known): Return false if
8589         output_is_position_independent.
8590         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8591         output_is_position_independent.
8592         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8593         output_is_position_independent.
8594         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8595         output_is_position_independent.
8596         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8597         two_file_pie_test.
8598         (basic_pie_test.o, basic_pie_test): New targets.
8599         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8600         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8601         (two_file_pie_test): New target.
8602         * testsuite/Makefile.in: Rebuild.
8603         * README: Remove note saying that -pie is not supported.
8604
8605 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8606
8607         * options.h (class General_options): Add -init and -fini.
8608         * layout.cc (Layout::finish_dynamic_section): Emit
8609         given init and fini functions.
8610
8611 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8612
8613         * gc.h (gc_process_relocs): Check if icf is enabled using new
8614         function.
8615         * gold.cc (queue_initial_tasks): Likewise.
8616         (queue_middle_tasks): Likewise.
8617         * object.cc (do_layout): Likewise.
8618         * symtab.cc (is_section_folded): Likewise.
8619         * main.cc (main): Likewise.
8620         * reloc.cc (Read_relocs::run): Likewise.
8621         (Sized_relobj::do_scan_relocs): Likewise.
8622         * icf.cc (is_function_ctor_or_dtor): New function.
8623         (Icf::find_identical_sections): Check if function is ctor or dtor when
8624         safe icf is chosen.
8625         * options.h (General_options::icf): Change option to be an enum.
8626         (Icf_status): New enum.
8627         (icf_enabled): New method.
8628         (icf_safe_folding): New method.
8629         (set_icf_status): New method.
8630         (icf_status_): New variable.
8631         * (options.cc) (General_options::finalize): Set icf_status_.
8632         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8633         icf_test and icf_keep_unique_test to use the --icf enum flag.
8634         * testsuite/icf_safe_test.sh: New file.
8635         * testsuite/icf_safe_test.cc: New file.
8636
8637 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8638
8639         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8640         includes to gc.h and icf.h.
8641         * arm.cc: Include gc.h.
8642         * gold.cc: Likewise.
8643         * i386.cc: Likewise.
8644         * powerpc.cc: Likewise.
8645         * sparc.cc: Likewise.
8646         * x86_64.cc: Likewise.
8647         * gc.h: Include icf.h.
8648
8649 2009-10-11  Ian Lance Taylor  <iant@google.com>
8650
8651         * plugin.cc: Include "gold.h" before other header files.
8652
8653 2009-10-10  Chris Demetriou  <cgd@google.com>
8654
8655         * options.h (Input_file_argument::Input_file_type): New enum.
8656         (Input_file_argument::is_lib_): Replace with...
8657         (Input_file_argument::type_): New member.
8658         (Input_file_argument::Input_file_argument): Take Input_file_type
8659         'type' rather than boolean 'is_lib' as second argument.
8660         (Input_file_argument::is_lib): Use type_.
8661         (Input_file_argument::is_searched_file): New function.
8662         (Input_file_argument::may_need_search): Handle is_searched_file.
8663         * options.cc (General_options::parse_library): Support -l:filename.
8664         (General_options::parse_just_symbols): Update for Input_file_argument
8665         changes.
8666         (Command_line::process): Likewise.
8667         * archive.cc (Archive::get_file_and_offset): Likewise.
8668         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8669         * script.cc (read_script_file, script_add_file): Likewise.
8670         * fileread.cc (Input_file::Input_file): Likewise.
8671         (Input_file::will_search_for): Handle is_searched_file.
8672         (Input_file::open): Likewise.
8673         * readsyms.cc (Read_symbols::get_name): Likewise.
8674         * testsuite/Makefile.am (searched_file_test): New test.
8675         * testsuite/Makefile.in: Regenerate.
8676         * testsuite/searched_file_test.cc: New file.
8677         * testsuite/searched_file_test_lib.cc: New file.
8678
8679 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8680             Ian Lance Taylor  <iant@google.com>
8681
8682         * descriptor.cc: Include <cstdio> and "binary-io.h".
8683         (Descriptors::open): Open the files in binary mode always.
8684         * script.cc (Lex::get_token): Treat \r as whitespace.
8685
8686 2009-10-09  Ian Lance Taylor  <iant@google.com>
8687
8688         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8689
8690 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8691             Ian Lance Taylor  <iant@google.com>
8692
8693         * configure.ac: Check for readv function also.
8694         * fileread.cc (readv): Define if not HAVE_READV.
8695         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8696         does not exist.
8697         * config.in: Regenerate.
8698         * configure: Regenerate.
8699
8700 2009-10-09  Doug Kwan  <dougkwan@google.com>
8701
8702         * layout.cc (Layout::make_output_section): Call target hook to make
8703         ordinary output section.
8704         (Layout::finalize): Adjust parameter list of call the
8705         Target::may_relax().
8706         * layout.h (class Layout::section_list): New method.
8707         * merge.h (Output_merge_base::entsize): Change visibility to public.
8708         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8709         New methods.
8710         (Output_merge_string::do_is_string): New method.
8711         * object.cc (Sized_relobj::do_setup): renamed from
8712         Sized_relobj::set_up.
8713         * object.h (Sized_relobj::adjust_shndx,
8714         Sized_relobj::initializ_input_to_output_maps,
8715         Sized_relobj::free_input_to_output_maps): Change visibilities to
8716         protected.
8717         (Sized_relobj::setup): Virtualize.
8718         (Sized_relobj::do_setup): New method declaration.
8719         (Sized_relobj::invalidate_section_offset,
8720         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8721         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8722         * options.cc (parse_int): New function.
8723         * options.h (parse_int): New declaration.
8724         (DEFINE_int): New macro.
8725         (stub_group_size): New option.
8726         * output.cc (Output_section::Output_section): Initialize memebers
8727         merge_section_map_, merge_section_by_properties_map_,
8728         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8729         (Output_section::add_input_section): Handled deferred code-fill
8730         generation and remove an old comment.
8731         (Output_section::add_relaxed_input_section): New method definition.
8732         (Output_section::add_merge_input_section): Use merge section by
8733         properties map to speed to search.  Update merge section maps
8734         as appropriate.
8735         (Output_section::build_relaxation_map): New method definition.
8736         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8737         Same.
8738         (Output_section::relax_input_section): Renamed to
8739         Output_section::convert_input_sections_to_relaxed_sections and change
8740         interface to take a vector of pointers to relaxed sections.
8741         (Output_section::find_merge_section,
8742         Output_section::find_relaxed_input_section): New method definitions.
8743         (Output_section::is_input_address_mapped,
8744         Output_section::output_offset, Output_section::output_address):
8745         Use output section data maps to speed up searching.
8746         (Output_section::find_starting_output_address): Add comments.
8747         (Output_section::do_write,
8748         Output_section::write_to_postprocessing_buffer): Do code-fill
8749         generation as appropriate.
8750         (Output_section::get_input_sections): Invalidate relaxed input section
8751         map.
8752         (Output_section::restore_states): Adjust type of checkpoint .
8753         Invalidate relaxed input section map.
8754         * output.h (Output_merge_base): New class declaration.
8755         (Input_section_specifier): New class defintion.
8756         (class Output_relaxed_input_section) Change base class to
8757         Output_section_data_build.
8758         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8759         base class initializer.
8760         (Output_section::add_relaxed_input_section): New method declaration.
8761         (Output_section::Input_section): Change visibility to protected.
8762         (Output_section::Input_section::relobj,
8763         Output_section::Input_section::shndx): Handle relaxed input sections.
8764         Output_section::input_sections) Change visibility to protected.  Also
8765         define overload to return a non-const pointer.
8766         (Output_section::Merge_section_properties): New class defintion.
8767         (Output_section::Merge_section_by_properties_map,
8768         Output_section::Output_section_data_by_input_section_map,
8769         Output_section::Relaxation_map): New types.
8770         (Output_section::relax_input_section): Rename method to
8771         Output_section::convert_input_sections_to_relaxed_sections and change
8772         interface to take a vector of relaxed section pointers.
8773         (Output_section::find_merge_section,
8774         Output_section::find_relaxed_input_section,
8775         Output_section::build_relaxation_map,
8776         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8777         New method declarations.
8778         (Output_section::merge_section_map_
8779         Output_section::merge_section_by_properties_map_,
8780         Output_section::relaxed_input_section_map_,
8781         Output_section::is_relaxed_input_section_map_valid_,
8782         Output_section::generate_code_fills_at_write_): New data members.
8783         * script-sections.cc
8784         (Output_section_element_input::set_section_addresses): Call
8785         current_data_size and addralign methods of relaxed input sections.
8786         (Orphan_output_section::set_section_addresses): Call current_data_size
8787         and addralign methods of relaxed input sections.
8788         * symtab.cc (Symbol_table::compute_final_value): Extract template
8789         from the body of Symbol_table::sized_finalize_symbol.
8790         (Symbol_table::sized_finalized_symbol): Call
8791         Symbol_table::compute_final_value.
8792         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8793         (Symbol_table::compute_final_value): New templated method declaration.
8794         * target.cc (Target::do_make_output_section): New method defintion.
8795         * target.h (Target::make_output_section): New method declaration.
8796         (Target::relax): Add more parameters for input objects, symbol table
8797         and layout.  Adjust call to do_relax.
8798         (Target::do_make_output_section): New method declaration.
8799         (Target::do_relax): Add parameters for input objects, symbol table
8800         and layout.
8801
8802 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8803
8804         * pread.c: Include stdio.h.
8805
8806 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8807
8808         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8809         defined.
8810
8811 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8812
8813         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8814         Change read_shndx type to unsigned int.
8815         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8816         int.
8817         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8818         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8819         Change read_shndx type to unsigned int.
8820         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8821         int.
8822         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8823         * layout.cc (Layout::create_symtab_sections): Cast the result of
8824         local_symcount * symsize to off_t in the gold_assert.
8825
8826 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8827
8828         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8829         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8830         R_ARM_BASE_ABS.
8831         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8832         (Arm_relocate_functions::thm_abs5): New function.
8833         (Arm_relocate_functions::abs12): New function.
8834         (Arm_relocate_functions::abs16): New function.
8835         (Arm_relocate_functions::base_abs): New function.
8836         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8837         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8838         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8839         R_ARM_BASE_ABS.
8840         (Scan::global): Likewise.
8841         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8842         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8843         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8844         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8845         R_ARM_BASE_ABS.
8846
8847 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8848
8849         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8850         (Arm_relocate_functions::movt_prel): New function.
8851         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8852         (Arm_relocate_functions::thm_movt_prel): New function.
8853         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8854         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8855         (Scan::global, Relocate::relocate): Likewise.
8856         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8857
8858 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8859
8860         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8861         Incremental_checker.
8862         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8863         unsigned int.
8864         (class Incremental_inputs_header): New class.
8865         (Incremental_inputs_header_writer): Edit comment.
8866         (Incremental_inputs_entry): New class.
8867         (Incremental_inputs_entry_writer): Edit comment.
8868         (Sized_incremental_binary::do_find_incremental_inputs_section):
8869         Add *strtab_shndx parameter, fill it.
8870         (Sized_incremental_binary::do_check_inputs): New method.
8871         (Incremental_checker::can_incrementally_link_output_file): Use
8872         Sized_incremental_binary::check_inputs.
8873         (Incremental_inputs::report_command_line): Save command line in
8874         command_line_.
8875         * incremental.h:
8876         (Incremental_binary::find_incremental_inputs_section): New
8877         method.
8878         (Incremental_binary::do_find_incremental_inputs_section): Add
8879         strtab_shndx parameter.
8880         (Incremental_binary::do_check_inputs): New pure virtual method.
8881         (Sized_incremental_binary::do_check_inputs): Declare.
8882         (Incremental_checker::Incremental_checker): Add incremental_inputs
8883         parameter, use it to initialize incremental_inputs_.
8884         (Incremental_checker::incremental_inputs_): New field.
8885         (Incremental_checker::command_line): New method.
8886         (Incremental_checker::inputs): New method.
8887         (Incremental_checker::command_line_): New field.
8888
8889 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8890
8891         * incremental.cc: Include <cstdarg> and "target-select.h".
8892         (vexplain_no_incremental): New function.
8893         (explain_no_incremental): New function.
8894         (Incremental_binary::error): New method.
8895         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8896         method.
8897         (make_sized_incremental_binary): New function.
8898         (open_incremental_binary): New function.
8899         (can_incrementally_link_file): Add checks if output is ELF and has
8900         inputs section.
8901         * incremental.h: Include "elfcpp_file.h" and "output.h".
8902         (Incremental_binary): New class.
8903         (Sized_incremental_binary): New class.
8904         (open_incremental_binary): Declare.
8905         * object.cc (is_elf_object): Use
8906         elfcpp::Elf_recognizer::is_elf_file.
8907         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8908         * output.h (Output_file::filesize): New method.
8909
8910 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8911
8912         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8913         New function.
8914         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8915         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8916         function.
8917         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8918         function.
8919         (Arm_relocate_functions::movw_abs_nc): New function.
8920         (Arm_relocate_functions::movt_abs): New function.
8921         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8922         (Arm_relocate_functions::thm_movt_abs): New function.
8923         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8924         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8925         (Scan::global): Likewise.
8926         (Relocate::relocate): Likewise.
8927         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8928
8929 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8930
8931         * arm.cc (Arm_relocate_functions::got_prel) New function.
8932         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8933         (Relocate::relocate): Likewise.
8934         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8935
8936 2009-10-06  Ian Lance Taylor  <iant@google.com>
8937
8938         * options.h (class General_options): Define
8939         split_stack_adjust_size parameter.
8940         * object.h (class Object): Add uses_split_stack_ and
8941         has_no_split_stack_ fields.  Add uses_split_stack and
8942         has_no_split_stack accessor functions.  Declare
8943         handle_split_stack_section.
8944         (class Reloc_symbol_changes): Define.
8945         (class Sized_relobj): Define Function_offsets.  Declare
8946         split_stack_adjust, split_stack_adjust_reltype, and
8947         find_functions.
8948         * object.cc (Object::handle_split_stack_section): New function.
8949         (Sized_relobj::do_layout): Call handle_split_stack_section.
8950         * dynobj.cc (Sized_dynobj::do_layout): Call
8951         handle_split_stack_section.
8952         * reloc.cc (Sized_relobj::relocate_sections): Call
8953         split_stack_adjust for executable sections in split_stack
8954         objects.  Pass reloc_map to relocate_section.
8955         (Sized_relobj::split_stack_adjust): New function.
8956         (Sized_relobj::split_stack_adjust_reltype): New function.
8957         (Sized_relobj::find_functions): New function.
8958         * target-reloc.h: Include "object.h".
8959         (relocate_section): Add reloc_symbol_changes parameter.  Change
8960         all callers.
8961         * target.h (class Target): Add calls_non_split method.  Declare
8962         do_calls_non_split virtual method.  Declare match_view and
8963         set_view_to_nop.
8964         * target.cc: Include "elfcpp.h".
8965         (Target::do_calls_non_split): New function.
8966         (Target::match_view): New function.
8967         (Target::set_view_to_nop): New function.
8968         * gold.cc (queue_middle_tasks): Give an error if mixing
8969         split-stack and non-split-stack objects with -r.
8970         * i386.cc (Target_i386::relocate_section): Add
8971         reloc_symbol_changes parameter.
8972         (Target_i386::do_calls_non_split): New function.
8973         * x86_64.cc (Target_x86_64::relocate_section): Add
8974         reloc_symbol_changes parameter.
8975         (Target_x86_64::do_calls_non_split): New function.
8976         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8977         parameter.
8978         * powerpc.cc (Target_powerpc::relocate_section): Add
8979         reloc_symbol_changes parameter.
8980         * sparc.cc (Target_sparc::relocate_section): Add
8981         reloc_symbol_changes parameter.
8982         * configure.ac: Call AM_CONDITIONAL for the default target.
8983         * configure: Rebuild.
8984         * testsuite/Makefile.am (TEST_AS): New variable.
8985         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8986         (check_DATA): Add split_i386 and split_x86_64 files.
8987         (SPLIT_DEFSYMS): Define.
8988         (split_i386_[1234n].o): New targets.
8989         (split_i386_[124]): New targets.
8990         (split_i386_[1234r].stdout): New targets.
8991         (split_x86_64_[1234n].o): New targets.
8992         (split_x86_64_[124]): New targets.
8993         (split_x86_64_[1234r].stdout): New targets.
8994         (MOSTLYCLEANFILES): Add new executables.
8995         * testsuite/split_i386.sh: New file.
8996         * testsuite/split_x86_64.sh: New file.
8997         * testsuite/split_i386_1.s: New file.
8998         * testsuite/split_i386_2.s: New file.
8999         * testsuite/split_i386_3.s: New file.
9000         * testsuite/split_i386_4.s: New file.
9001         * testsuite/split_i386_n.s: New file.
9002         * testsuite/split_x86_64_1.s: New file.
9003         * testsuite/split_x86_64_2.s: New file.
9004         * testsuite/split_x86_64_3.s: New file.
9005         * testsuite/split_x86_64_4.s: New file.
9006         * testsuite/split_x86_64_n.s: New file.
9007         * testsuite/testfile.cc (Target_test): Update relocation_section
9008         function.
9009         * testsuite/Makefile.in: Rebuild.
9010
9011 2009-10-06  Ian Lance Taylor  <iant@google.com>
9012
9013         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9014         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9015         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9016         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9017         the address on ldo_addrs_.
9018         (Target_i386::Relocate::fix_up_ldo): New function.
9019
9020 2009-10-06   Rafael Espindola  <espindola@google.com>
9021
9022         * plugin.cc (add_input_library): New.
9023         (Plugin::load): Add add_input_library to tv.
9024         (Plugin_manager::add_input_file): Add the is_lib argument.
9025         (add_input_file): Update call to Plugin_manager::add_input_file.
9026         (add_input_library): New.
9027         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9028
9029 2009-09-30  Doug Kwan  <dougkwan@google.com>
9030
9031         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9032         symbol and call Symbol::may_need_copy_reloc to determine if
9033         a copy reloc is needed.
9034         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9035         nocopyreloc is given in command line.
9036         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9037         given in command line.
9038         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9039         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9040         of the removed Target_i386::may_need_copy_reloc.
9041         * options.h (copyreloc): New option with default value false.
9042         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9043         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9044         instead of the removed Target_powerpc::may_need_copy_reloc.
9045         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9046         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9047         instead of the removed Target_sparc::may_need_copy_reloc.
9048         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9049         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9050         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9051         instead of the removed Target_x86_64::may_need_copy_reloc.
9052
9053 2009-09-30  Ian Lance Taylor  <iant@google.com>
9054
9055         * object.h (class Object): Remove target_ field, and target,
9056         sized_target, and set_target methods.
9057         (Object::sized_target): Remove.
9058         (class Sized_relobj): Update declarations.  Remove sized_target.
9059         * object.cc (Sized_relobj::setup): Remove target parameter.
9060         Change all callers.
9061         (Input_objects::add_object): Don't do anything with the target.
9062         (make_elf_sized_object): Add punconfigured parameter.  Change all
9063         callers.  Set or test parameter target.
9064         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9065         Change all callers.
9066         * parameters.cc (Parameters::set_target): Change parameter type to
9067         be non-const.
9068         (Parameters::default_target): Remove.
9069         (set_parameters_target): Change parameter type to be non-const.
9070         (parameters_force_valid_target): New function.
9071         (parameters_clear_target): New function.
9072         * parameters.h (class Parameters): Update declarations.  Remove
9073         default_target method.  Add sized_target and clear_target
9074         methods.  Change target_ to be non-const.
9075         (set_parameters_target): Update declaration.
9076         (parameters_force_valid_target): Declare.
9077         (parameters_clear_target): Declare.
9078         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9079         as NULL if we aren't searching.
9080         (Add_symbols::run): Don't check for compatible target.
9081         * fileread.cc (Input_file::open_binary): Call
9082         parameters_force_valid_target.
9083         * gold.cc (queue_middle_tasks): Likewise.
9084         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9085         set_target on object.
9086         * dynobj.h (class Sized_dynobj): Update declarations.
9087         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9088         make_elf_object returns NULL.
9089         (Archive::include_member): Don't check whether object target is
9090         compatible.
9091         * output.cc (Output_section::add_input_section): Get target from
9092         parameters.
9093         (Output_section::relax_input_section): Likewise.
9094         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9095         parameters.
9096         (Sized_relobj::do_scan_relocs): Likewise.
9097         (Sized_relobj::relocate_sections): Likewise.
9098         * resolve.cc (Symbol_table::resolve): Likewise.
9099         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9100         parameter.  Change all callers.
9101         (Symbol_table::add_from_object): Get target from parameters.
9102         (Symbol_table::add_from_relobj): Don't check object target.
9103         (Symbol_table::add_from_dynobj): Likewise.
9104         (Symbol_table::define_special_symbol): Get target from
9105         parameters.
9106         * symtab.h (class Symbol_table): Update declaration.
9107         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9108         parameter.  Change all callers.  Clear parameter target.
9109         (Binary_test): Test target here.
9110         * testsuite/object_unittest.cc (gold_testsuite): Remove
9111         target_test_pointer parameter.  Change all callers.
9112         (Object_test): Test target here.
9113
9114 2009-09-26  Ian Lance Taylor  <iant@google.com>
9115
9116         * testsuite/initpri1.c: Don't try to use constructor priorities if
9117         compiling with gcc before 4.3.
9118
9119 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9120
9121         * testsuite/retain_symbols_file_test.sh (check_present): Change
9122         output file name to retain_symbols_file_test.stdout.
9123         (check_absent): Likewise.
9124
9125 2009-09-18  Craig Silverstein  <csilvers@google.com>
9126
9127         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9128         * options.cc: Include <cerrno> and <fstream>.
9129         (General_options::finalize): Parse -retain-symbols-file tag.
9130         * options.h: New flag.
9131         (General_options): New method should_retain_symbol, new
9132         variable symbols_to_retain.
9133         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9134         should_retain_symbol map.
9135         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9136         * testsuite/Makefile.in: Regenerate.
9137         * testsuite/retain_symbols_file_test.sh: New file.
9138
9139 2009-09-18  Nick Clifton  <nickc@redhat.com>
9140
9141         * po/es.po: Updated Spanish translation.
9142
9143 2009-09-17  Doug Kwan  <dougkwan@google.com>
9144
9145         * debug.h (DEBUG_RELAXATION): New constant.
9146         (DEBUG_ALL): Add DEBUG_RELAXATION.
9147         (debug_string_to_enum): Add relaxation debug option.
9148         * layout.cc
9149         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9150         Layout::Relaxation_debug_check::read_sections,
9151         Layout::Relaxation_debug_check::read_sections): New method definitions.
9152         (Layout::Layout): Initialize data members
9153         record_output_section_data_from_scrips_,
9154         script_output_section_data_list_ and relaxation_debug_check_.
9155         (Layout::save_segments, Layout::restore_segments,
9156         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9157         Layout::relaxation_loop_body): New method definitions.
9158         (Layout::finalize): Support relaxation.  Move section layout code to
9159         Layout::relaxation_loop_body.
9160         (Layout::set_asection_address_from_script): Move code for orphan
9161         section placement out.
9162         (Layout::place_orphan_sections_in_script): New method definition.
9163         * layout.h (Output_segment_headers, Output_file_header):
9164         New forward class declarations.
9165         (Layout::~Layout): Define.
9166         (Layout::new_output_section_data_from_script): New method definition.
9167         (Layout::place_orphan_sections_in_script): New method declaration.
9168         (Layout::Segment_states): New type declaration.
9169         (Layout::save_segments, Layout::restore_segments,
9170         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9171         Layout::relaxation_loop_body): New method declarations.
9172         (Layout::Output_section_data_list): New type declaration.
9173         (Layout::Relaxation_debug_check): New class definition.
9174         (Layout::record_output_section_data_from_script_,
9175         Layout::script_output_section_data_list_, Layout::segment_states_,
9176         Layout::relaxation_debug_check_): New data members.
9177         * output.cc: (Output_section_headers::do_size): New method definition.
9178         (Output_section_headers::Output_section_headers): Move size
9179         computation to Output_section_headers::do_size.
9180         (Output_segment_headers::do_size): New method definition.
9181         (Output_file_header::Output_file_header): Move size computation to
9182         Output_file_header::do_size and call it.
9183         (Output_file_header::do_size): New method definition.
9184         (Output_data_group::Output_data_group): Adjust call to
9185         Output_section_data.
9186         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9187         (Output_symtab_xindex::do_write): Add array bound check.
9188         (Output_section::Input_section::print_to_mapfile): Handle
9189         RELAXED_INPUT_SECTION_CODE.
9190         (Output_section::Output_section): Initialize data member checkpoint_.
9191         (Output_section::~Output_section): Delete checkpoint object pointed
9192         by checkpoint_.
9193         (Output_section::add_input_section): Always add an Input_section if
9194         relaxing.
9195         (Output_section::add_merge_input_section): Add assert.
9196         (Output_section::relax_input_section): New method definition.
9197         (Output_section::set_final_data_size): Set load address to zero for
9198         an unallocated section.
9199         (Output_section::do_address_and_file_offset_have_reset_values):
9200         New method definition.
9201         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9202         Handle relaxed input section.
9203         (Output_section::sort_attached_input_sections): Checkpoint input
9204         section list lazily.
9205         (Output_section::get_input_sections): Change type of input_sections to
9206         list of Simple_input_section pointers.  Checkpoint input section list
9207         lazily.  Also handle relaxed input sections.
9208         (Output_section::add_input_section_for_script): Take a reference to
9209         a Simple_input_section object instead of Relobj pointer and section
9210         index as parameter.  Handle relaxed input sections.
9211         (Output_section::save_states, Output_section::restore_states): New
9212         method definitions.
9213         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9214         (Output_data::is_data_size_fixed): New method definition.
9215         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9216         if it is fixed.
9217         (Output_data::address_and_file_offset_have_reset_values): New method
9218         definition.
9219         (Output_data::do_address_and_file_offset_have_reset_values): New method
9220         definition.
9221         (Output_data::set_data_size): Check that data size is not fixed.
9222         (Output_data::fix_data_size): New method definition.
9223         (Output_data::is_data_size_fixed_): New data member.
9224         (Output_section_headers::set_final_data_size): New method definition.
9225         (Output_section_headers::do_size): New method declaration.
9226         (Output_segment_headers::set_final_data_size): New method definition.
9227         (Output_segment_headers::do_size): New method declaration.
9228         (Output_file_header::set_final_data_size)::New method definition.
9229         (Output_file_header::do_size)::New method declaration.
9230         (Output_section_data::Output_section_data): Add new parameter
9231         is_data_size_fixed and use it to fix data size.
9232         (Output_data_const::Output_data_const): Adjust call to base class
9233         constructor and fix data size.
9234         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9235         base class constructor and fix data size.
9236         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9237         base class constructor and fix data size.
9238         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9239         class constructor and fix data size.
9240         (Output_data_group::set_final_data_size): New method definition.
9241         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9242         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9243         class constructor and fix data size.
9244         (Output_relaxed_input_section): New class definition.
9245         (Output_section::Simple_input_section): New class definition.
9246         (Output_section::get_input_sections): Adjust parameter list.
9247         (Output_section::add_input_section_for_script): Same.
9248         (Output_section::save_states, Output_section::restore_states,
9249         Output_section::do_address_and_file_offset_have_reset_values,
9250         (Output_section::Input_section::Input_section): Handle
9251         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9252         Output_relaxed_input_section.
9253         (Output_section::Input_section::is_input_section,
9254         Output_section::Input_section::set_output_section): Handle relaxed
9255         input section.
9256         (Output_section::Input_section::is_relaxed_input_section,
9257         Output_section::Input_section::output_section_data,
9258         Output_section::Input_section::relaxed_input_section): New method
9259         definitions.
9260         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9261         value.
9262         (Output_section::Input_section::u1_): Update comments.
9263         (Output_section::Input_section::u2_): Add new union member poris.
9264         (Output_section::Checkpoint_output_section): New classs definition.
9265         (Output_section::relax_input_section): New method declaration.
9266         (Output_section::checkpoint_): New data member.
9267         (Output_segment): Update comments.
9268         (Output_segment::Output_segment): Un-privatize copy constructor.
9269         (Output_segment::operator=): Un-privatize.
9270         * script-sections.cc (Output_section_element::Input_section_list):
9271         Change element type to Output_section::Simple_input_section.
9272         (Output_section_element_dot_assignment::set_section_addresses):
9273         Register output section data for relaxation clean up.
9274         (Output_data_exression::Output_data_expression): Adjust call to base
9275         constructor to fix data size.
9276         (Output_section_element_data::set_section_addresses): Register
9277         Output_data_expression object for relaxation clean up.
9278         (struct Input_section_info): Replace Relobj pointer and section index
9279         pair with Output_section::Simple_input_section and Convert struct to a
9280         class.
9281         (Input_section_sorter::operator()): Adjust access to
9282         Input_section_info data member to use accessors.
9283         (Output_section_element_input::set_section_addresses): Use layout
9284         parameter.  Adjust code to use Output_section::Simple_input_section
9285         and Input_secction_info classes.  Register filler for relaxation
9286         clean up.
9287         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9288         and section index pair with Output_section::Simple_input_section
9289         class.  Adjust code accordingly.
9290         (Phdrs_element::release_segment): New method definition.
9291         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9292         segment list.
9293         (Script_sections::release_segments): New method definition.
9294         * gold/script-sections.h (Script_sections::release_segments): New
9295         method declaration.
9296         * gold/target.h (Target::may_relax, Target::relax,
9297         Target::do_may_relax, Target::do_relax): New method definitions.
9298
9299 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9300
9301         * arm.cc (has_signed_unsigned_overflow): New function.
9302         (Arm_relocate_functions::abs8): New function.
9303         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9304         (Target_arm::Scan::global): Likewise.
9305         (Target_arm::relocate::relocate): Likewise.
9306         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9307         Likewise.
9308
9309 2009-09-16  Cary Coutant  <ccoutant@google.com>
9310
9311         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9312         * testsuite/Makefile.in: Regenerate.
9313
9314 2009-09-11  Nick Clifton  <nickc@redhat.com>
9315
9316         * po/gold.pot: Updated by the Translation project.
9317
9318 2009-09-08  Cary Coutant  <ccoutant@google.com>
9319
9320         * output.cc (Output_file::open): Add execute permission to empty file.
9321         * testsuite/Makefile.am (permission_test): New test.
9322         * testsuite/Makefile.in: Regenerate.
9323
9324 2009-09-02  Ian Lance Taylor  <iant@google.com>
9325
9326         * output.cc (Output_file::resize): Call map_no_anonymous rather
9327         than map.
9328
9329 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9330
9331         * gold.cc: Include "incremental.h".
9332         (queue_initial_tasks): Call Incremental_checker methods.
9333         * incremental.cc: Include "output.h".
9334         (Incremental_checker::can_incrementally_link_output_file): New
9335         method.
9336         * incremental.h (Incremental_checker): New class.
9337
9338         * output.cc (Output_file::open_for_modification): New method.
9339         (Output_file::map_anonymous): Changed return type to bool.  Record
9340         map in base_ field.
9341         (Output_file::map_no_anonymous): New method, broken out of map.
9342         (Output_file::map): Use map_no_anonymous and map_anonymous.
9343         * output.h (class Output_file): Update declarations.
9344
9345 2009-08-24  Cary Coutant  <ccoutant@google.com>
9346
9347         * options.h (Command_line::Pre_options): New class.
9348         (Command_line::pre_options): New member.
9349         * options.cc (gold::options::ready_to_register): New variable.
9350         (One_option::register_option): Do nothing if not registering options.
9351         Assert if same short option registered twice.
9352         (General_options::General_options): Turn off option registration when
9353         done constructing.
9354         (Command_line::Pre_options::Pre_options): New constructor.
9355
9356 2009-08-24  Cary Coutant  <ccoutant@google.com>
9357
9358         * options.h (General_options::no_keep_memory): Remove incorrect
9359         short option.
9360
9361 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9362
9363         * Makefile.am (am__skiplex, am__skipyacc): New.
9364         * Makefile.in: Regenerate.
9365
9366 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9367
9368         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9369         (INCLUDES): ... this.
9370         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9371         (AM_CPPFLAGS): Renamed from ...
9372         (INCLUDE): ... this.
9373         * Makefile.in, testsuite/Makefile.in: Regenerate.
9374
9375         * Makefile.in: Regenerate.
9376         * aclocal.m4: Likewise.
9377         * config.in: Likewise.
9378         * configure: Likewise.
9379         * testsuite/Makefile.in: Likewise.
9380
9381         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9382         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9383         * Makefile.in: Regenerate.
9384         * testsuite/Makefile.in: Regenerate.
9385
9386 2009-08-19  Cary Coutant  <ccoutant@google.com>
9387
9388         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9389         symbols in shared libraries overridden by hidden or internal symbols
9390         in the main program.
9391
9392 2009-08-19  Chris Demetriou  <cgd@google.com>
9393
9394         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9395         checking source file names in error messages.
9396
9397 2009-08-18  Doug Kwan  <dougkwan@google.com>
9398
9399         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9400         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9401         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9402         an elfcpp::Ehdr as parameter.
9403         * object.cc (Object::set_target): Remove the version that looks up
9404         a target and sets it.
9405         (Sized_relobj::setup): Take a Target object instead of
9406         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9407         (make_elf_sized_object): Find target and ask target to
9408         make an ELF object.
9409         * object.h: (Object::set_target): Remove the version that looks up
9410         a target and sets it.
9411         (Sized_relobj::setup): Take a Target object instead of
9412         an elfcpp:Ehdr as parameter.
9413         * target.cc: Include dynobj.h.
9414         (Target::do_make_elf_object_implementation): New.
9415         (Target::do_make_elf_object): New.
9416         * target.h (Target::make_elf_object): New template declaration.
9417         (Target::do_make_elf_object): New method declarations.
9418         (Target::do_make_elf_object_implementation): New template declaration.
9419
9420 2009-08-14  Ian Lance Taylor  <iant@google.com>
9421
9422         * gold.h (FUNCTION_NAME): Define.
9423         (gold_unreachable): Use FUNCTION_NAME.
9424
9425 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9426
9427         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9428         symbol in the --keep-unique list is not found.
9429
9430 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9431
9432         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9433         been maked as --keep-unique.
9434         (Icf::unfold_section): New function.
9435         * icf.h (Icf::unfold_section): New function.
9436         * options.h (General_options::keep_unique): New option.
9437         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9438         * testsuite/Makefile.in: Regenerate.
9439         * testsuite/icf_keep_unique_test.sh: New file.
9440         * testsuite/icf_keep_unique_test.cc: New file.
9441
9442 2009-08-12  Cary Coutant  <ccoutant@google.com>
9443
9444         PR 10471
9445         * resolve.cc (Symbol_table::resolve): Check for references from
9446         dynamic objects to hidden and internal symbols.
9447         * testsuite/Makefile.am (hidden_test.sh): New test.
9448         * testsuite/Makefile.in: Regenerate.
9449         * testsuite/hidden_test.sh: New script.
9450         * testsuite/hidden_test_1.c: New test source.
9451         * testsuite/hidden_test_main.c: New test source.
9452
9453 2009-08-11  Doug Kwan  <dougkwan@google.com>
9454
9455         * arm.cc: Update comments.
9456         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9457         segment to locate the .ARM.exidx section if present.
9458
9459 2009-08-09  Doug Kwan  <dougkwan@google.com>
9460
9461         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9462         patch.
9463
9464 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9465         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9466         compiler warnings.
9467
9468 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9469
9470         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9471         valid tls_segment only for non-debug-section relocations.
9472         * testsuite/Makefile.am: Add gc_tls_test.
9473         * testsuite/Makefile.in: Regenerate.
9474         * testsuite/gc_tls_test.cc: New file.
9475         * testsuite/gc_tls_test.sh: New file.
9476
9477 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9478
9479         * icf.cc: New file.
9480         * icf.h: New file.
9481         * Makefile.am (CCFILES): Add icf.cc.
9482         (HFILES): Add icf.h
9483         * Makefile.in: Regenerate.
9484         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9485         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9486         section, symbol and addend information for the relocs.
9487         * gold.cc (queue_middle_tasks): Call identical code folding.
9488         * gold.h: Add defines for multimap.
9489         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9490         to the call of finalize_local_symbols.
9491         * main.cc (main): Create object of class Icf.
9492         * object.cc (Sized_relobj::do_layout): Allow this function to be
9493         called twice during icf.
9494         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9495         to sections marked as identical by icf.
9496         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9497         when available.
9498         (Sized_relobj::do_section_entsize): New function.
9499         * object.h (Object::section_entsize): New function.
9500         (Object::do_section_entsize): New pure virtual function.
9501         (Relobj::finalize_local_symbols): Add new parameter.
9502         (Relobj::do_section_entsize): New function.
9503         * options.h (General_options::icf): New option.
9504         (General_options::icf_iterations): New option.
9505         (General_options::print_icf_sections): New option.
9506         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9507         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9508         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9509         icf.
9510         * symtab.cc (Symbol_table::is_section_folded): New function.
9511         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9512         to sections marked as identical by icf.
9513         * symtab.h (Symbol_table::set_icf): New function.
9514         (Symbol_table::icf): New function.
9515         (Symbol_table::is_section_folded): New function.
9516         (Symbol_table::icf_): New data member.
9517         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9518         * testsuite/Makefile.am: Add commands to build icf_test.
9519         * testsuite/Makefile.in: Regenerate.
9520         * testsuite/icf_test.sh: New file.
9521         * testsuite/icf_test.cc: New file.
9522
9523 2009-07-24  Chris Demetriou  <cgd@google.com>
9524
9525         * layout.cc (is_compressible_debug_section): Fix incorrect
9526         comment about compressed section names.
9527
9528 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9529
9530         PR 10419
9531         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9532
9533 2009-07-16  Ian Lance Taylor  <iant@google.com>
9534
9535         PR 10400
9536         * layout.h: #include <map>.
9537         (class Kept_section): Change from struct to class.  Add accessors
9538         and setters.  Add section size to Comdat_group mapping.  Change
9539         Comdat_group to std::map.  Add is_comdat_ field.  Add
9540         linkonce_size field in union.
9541         (class Layout): Update declaration of find_or_add_kept_section.
9542         Don't declare find_kept_object.
9543         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9544         parameter.  Add object, shndx, is_comdat, and is_group_name
9545         parameters.  Change all callers.  Adjust for new Kept_section.
9546         (Layout::find_kept_object): Remove.
9547         * object.cc (Sized_relobj::include_section_group): Update use of
9548         Kept_section.  Rename secnum to shndx.  Only record
9549         Kept_comdat_section if sections are the same size.
9550         (Sized_relobj::include_linkonce_section): Update use of
9551         Kept_section.  Only record Kept_comdat_section if sections are the
9552         same size.  Set size of linkonce section.
9553         (Sized_relobj::map_to_kept_section): Update call to
9554         get_kept_comdat_section.
9555         * object.h (class Sized_relobj): Rename fields in
9556         Kept_comdat_section to drop trailing underscores; change object
9557         field to Relobj*.  Change Kept_comdat_section_table to store
9558         struct rather than pointer.
9559         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9560         Add kept_object and kept_shndx parameters.  Change all callers.
9561         (Sized_relobj::get_kept_comdat_section): Change return type to
9562         bool.  Add kept_object and kept_shndx parameters.  Change all
9563         callers.
9564         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9565         Layout::find_or_add_kept_section.
9566
9567 2009-07-09  Ian Lance Taylor  <iant@google.com>
9568
9569         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9570         Reserve space in the hash table.
9571
9572 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9573
9574         * fileread.cc (File_read::get_mtime): New method.
9575         * fileread.h (Timespec): New structure.
9576         (File_read::get_mtime): New method.
9577         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9578         Renamed from timestamp_nsec.
9579         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9580         Elf_Xword.
9581         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9582         timestamp_nsec.
9583         (Incremental_inputs::report_archive): Save mtime; style fix.
9584         (Incremental_inputs::report_obejct): Save mtime; style fix.
9585         (Incremental_inputs::report_script): Save mtime; style fix.
9586         (Incremental_inputs::finalize_inputs): Style fix.
9587         (Incremental_inputs::finalize): Style fix.
9588         (Incremental_inputs::create_input_section_data): Store inputs
9589         mtime.
9590         * incremental.h (Incremental_inputs::report_script): Add mtime
9591         argument.
9592         (Incremental_inputs::Input_info::Input_info): Intialize only one
9593         union member.
9594         (Incremental_inputs::Input_info::archive): Move to nameless
9595         union.
9596         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9597         (Incremental_inputs::Input_info::script): Move to nameless union.
9598         (Incremental_inputs::mtime): New field.
9599         * script.cc (read_input_script): Pass file mtime to
9600         Incremental_input.
9601         * script.h (Script_info::inputs): Style fix.
9602
9603 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9604
9605         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9606         instead of 32.
9607
9608 2009-06-24  Ian Lance Taylor  <iant@google.com>
9609
9610         PR 10156
9611         * layout.cc (Layout::choose_output_section): If we find an
9612         existing section, update the flags.
9613         (Layout::create_notes): New function, broken out of
9614         Layout::finalize.
9615         (Layout::finalize): Don't create note sections.
9616         (Layout::create_note): Don't crash if linker script discards
9617         section.
9618         (Layout::create_gold_note): Likewise.
9619         (Layout::create_build_id): Likewise.  Don't set
9620         after_input_sections on the section.
9621         (Layout::create_executable_stack_info): Remove target parameter.
9622         Change caller.
9623         * layout.h (class Layout): Declare create_notes.  Update
9624         declaration of create_executable_stack_info.
9625         * gold.cc (queue_middle_tasks): Call create_notes.
9626         * output.cc (Output_section::update_flags_for_input_section): Move
9627         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9628         invalid.
9629         * output.h (Output_data::mark_address_invalid): New function.
9630         (class Output_section): Only declare, not define,
9631         update_flags_for_input_section.  Remove set_flags.
9632
9633 2009-06-24  Ian Lance Taylor  <iant@google.com>
9634
9635         * script-sections.cc (Output_section_definition::
9636         set_section_addresses): Rename shadowing local load_address to
9637         laddr.
9638
9639 2009-06-24  Ian Lance Taylor  <iant@google.com>
9640
9641         PR 10244
9642         * reloc.cc (relocate_sections): Skip empty relocation sections.
9643
9644 2009-06-23  Ian Lance Taylor  <iant@google.com>
9645
9646         PR 10156
9647         * layout.cc (Layout::create_note): Use choose_output_section
9648         rather than make_output_section.
9649
9650 2009-06-23  Ian Lance Taylor  <iant@google.com>
9651
9652         PR 10237
9653         * options.cc (General_options::parse_V): Set printed_version_.
9654         (General_options::General_options): Initialize printed_version_.
9655         * options.h (class General_options): Add printed_version_ field.
9656         * gold.cc (queue_initial_tasks): If there are no input files,
9657         don't give a fatal error if we printed the version information.
9658         (queue_middle_tasks): If using -r with a shared object, give a
9659         fatal error rather than an ordinary error.
9660
9661 2009-06-23  Ian Lance Taylor  <iant@google.com>
9662
9663         PR 10219
9664         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9665         (Layout::make_output_section): Set have_stabstr_section_ if we see
9666         a .stab*str section.
9667         (Layout::finalize): Call link_stabs_sections.
9668         (Layout::link_stabs_sections): New file.
9669         * layout.h (class Layout): Add have_stabstr_section_ field.
9670         Declare link_stabs_sections.
9671
9672 2009-06-23  Doug Kwan  <dougkwan@google.com>
9673
9674         * Makefile.am (libgold_a_LIBADD): New.
9675         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9676         * Makefile.in: Regenerate.
9677         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9678         * configure: Regenerate.
9679         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9680         * fileread.cc: Include sys/state.h
9681         * gold.h: Declare memmem and strndup if found missing.
9682         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9683
9684 2009-06-23  Ian Lance Taylor  <iant@google.com>
9685
9686         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9687         * configure: Rebuild.
9688
9689 2009-06-23  Ian Lance Taylor  <iant@google.com>
9690
9691         PR 10147
9692         * object.cc (Object::section_contents): Don't try to get a view if
9693         the section has length zero.
9694         (Object::handle_gnu_warning_section): If the section is empty, use
9695         the name of the section as the warning.
9696
9697 2009-06-23  Ian Lance Taylor  <iant@google.com>
9698
9699         PR 10133
9700         * stringpool.h (class Stringpool_template): Add optimize_ field.
9701         (Stringpool_template::set_optimize): New function.
9702         * stringpool.cc (Stringpool_template::Stringpool_template):
9703         Initialize optimize_ field.
9704         (Stringpool_template::set_string_offsets): Test local optimize
9705         fild rather than parameter.
9706         * layout.cc (Layout::Layout): Call set_optimize on the section
9707         name stringpool.
9708
9709 2009-06-22  Ian Lance Taylor  <iant@google.com>
9710
9711         PR 10030
9712         * yyscript.y: Parse TARGET.
9713         * script.cc (script_set_target): New function.
9714         * script-c.h (script_set_target): Declare.
9715         * options.cc (General_options::string_to_object_format): Rename
9716         from string_to_object_format in anonymous namespace.  Change
9717         callers.
9718         * options.h (class General_options): Declare
9719         string_to_object_format.
9720
9721 2009-06-22  Ian Lance Taylor  <iant@google.com>
9722
9723         * script-sections.cc (Script_sections::create_segments): Don't put
9724         program headers in a PT_LOAD segment if -n or -N.
9725
9726 2009-06-22  Ian Lance Taylor  <iant@google.com>
9727
9728         PR 10141
9729         * options.h (class General_options): Add -z lazy and -z now.  Sort
9730         -z options into alphabetical order.
9731         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9732
9733 2009-06-21  Ian Lance Taylor  <iant@google.com>
9734
9735         * layout.cc (Layout::make_output_section): Call
9736         Target::new_output_section.
9737         (Layout::attach_allocated_section_to_segment): Put large section
9738         sections in a separate load segment with the large segment flag
9739         set.
9740         (Layout::segment_precedes): Sort large data segments after other
9741         load segments.
9742         (align_file_offset): New static function.
9743         (Layout::set_segment_offsets): Use align_file_offset.
9744         * output.h (class Output_section): Add is_small_section_ and
9745         is_large_section_ fields.
9746         (Output_section::is_small_section): New function.
9747         (Output_section::set_is_small_section):  New function.
9748         (Output_section::is_large_section): New function.
9749         (Output_section::set_is_large_section): New function.
9750         (Output_section::is_large_data_section): New function.
9751         (class Output_segment): Add is_large_data_segment_ field.
9752         (Output_segment::is_large_data_segment): New function.
9753         (Output_segment::set_is_large_data_segment): New function.
9754         * output.cc (Output_section::Output_section): Initialize new
9755         fields.
9756         (Output_segment::Output_segment): Likewise.
9757         (Output_segment::add_output_section): Add assertion that large
9758         data sections always go in large data segments.  Force small data
9759         sections to the end of the list of data sections.  Force small BSS
9760         sections to the start of the list of BSS sections.  For large BSS
9761         sections to the end of the list of BSS sections.
9762         * symtab.h (class Symbol): Declare is_common_shndx.
9763         (Symbol::is_defined): Check Symbol::is_common_shndx.
9764         (Symbol::is_common): Likewise.
9765         (class Symbol_table): Define enum Commons_section_type.  Update
9766         declarations.  Add small_commons_ and large_commons_ fields.
9767         * symtab.cc (Symbol::is_common_shndx): New function.
9768         (Symbol_table::Symbol_table): Initialize new fields.
9769         (Symbol_table::add_from_object): Put small and large common
9770         symbols in the right list.
9771         (Symbol_table::sized_finalized_symbol): Check
9772         Symbol::is_common_shndx.
9773         (Symbol_table::sized_write_globals): Likewise.
9774         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9775         common symbol lists.  Don't call do_allocate_commons_list if the
9776         list is empty.
9777         (Symbol_table::do_allocate_commons_list): Remove is_tls
9778         parameter.  Add comons_section_type parameter.  Change all
9779         callers.  Handle small and large common symbols.
9780         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9781         Symbol::is_common_shndx.
9782         * resolve.cc (symbol_to_bits): Likewise.
9783         * target.h (Target::small_common_shndx): New function.
9784         (Target::small_common_section_flags): New function.
9785         (Target::large_common_shndx): New function.
9786         (Target::large_common_section_flags): New function.
9787         (Target::new_output_section): New function.
9788         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9789         small_common_section_flags, and large_common_section_flags
9790         fields.
9791         (Target::do_new_output_section): New virtual function.
9792         * arm.cc (Target_arm::arm_info): Initialize new fields.
9793         * i386.cc (Target_i386::i386_info): Likewise.
9794         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9795         Likewise.
9796         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9797         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9798         (Target_x86_64::do_new_output_section): New function.
9799         * configure.ac: Define conditional MCMODEL_MEDIUM.
9800         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9801         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9802         (large_LDFLAGS): Define.
9803         * testsuite/large.c: New file.
9804         * testsuite/testfile.cc (Target_test::test_target_info):
9805         Initialize new fields.
9806         * configure, testsuite/Makefile.in: Rebuild.
9807
9808 2009-06-05  Doug Kwan  <dougkwan@google.com>
9809
9810         * Makefile.am (CCFILES): Add target.cc.
9811         * Makefile.in: Regenerate.
9812         * i386.cc (class Target_i386): Define new virtual method to
9813         override do_is_local_label_name in parent.
9814         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9815         local symbols if --discard-locals or -X is given.
9816         * options.h (class General_options): Declare new options
9817         '--discard-locals' and '-X' for discarding locals.
9818         * target.h (class Target): Define new methods is_local_label_name.
9819         Declare new virtual method do_is_local_label_name.
9820         * target.cc: New file.
9821         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9822         (check_SCRIPTS): Add discard_locals_test.sh.
9823         (check_DATA): Add discard_local_tests.syms.
9824         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9825         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9826         * testsuite/Makefile.in: Regenerate.
9827         * testsuite/discard_locals_test.c: New file.
9828         * testsuite/discard_locals_test.sh: Same.
9829
9830 2009-06-05  Doug Kwan  <dougkwan@google.com>
9831
9832         * object.cc (Sized_relobj::Sized_relobj): Initialize
9833         discarded_eh_frame_shndx_ to -1U.
9834         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9835         section.
9836         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9837         a discarded .eh_frame section.
9838         (Sized_relobj::do_finalize_local_symbols): Ditto.
9839         * object.h (class Sized_relobj): Declare new member
9840         discarded_eh_frame_shndx_.
9841         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9842         (local_labels_test.o, local_labels_test): New rules.
9843         * testsuite/Makefile.in: Regenerate.
9844
9845 2009-06-04  Doug Kwan  <dougkwan@google.com>
9846
9847         * layout.cc (Layout::section_name_mapping): Add mapping for
9848         special ARM sections.
9849
9850 2009-06-03  Doug Kwan  <dougkwan@google.com>
9851
9852         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9853         (utils::has_overflow): Same.
9854
9855 2009-06-03  Ian Lance Taylor  <iant@google.com>
9856
9857         * layout.cc (Layout::section_name_mapping): New array, replacing
9858         Layout::linkonce_mapping.
9859         (Layout::section_name_mapping_count): New variable, replacing
9860         Layout::linkonce_mapping_count.
9861         (Layout::linkonce_output_name): Remove.
9862         (Layout::output_section_name): Rewrite.
9863         * layout.h (class Layout): Rename Linkonce_mapping to
9864         Section_name_mapping, linkonce_mapping to section_name_mapping,
9865         linkonce_mapping_count to section_name_mapping_count.  Don't
9866         declare linkonce_output_name.
9867
9868 2009-06-03  Doug Kwan  <dougkwan@google.com>
9869
9870         * gold/arm.cc (namespace utils): New.
9871         (Target_arm::reloc_is_non_pic): Define new method.
9872         (class Arm_relocate_functions): New.
9873         (Target_arm::Relocate::relocate): Handle relocation types used by
9874         Android.
9875
9876 2009-06-03  Ian Lance Taylor  <iant@google.com>
9877
9878         * arm.cc (Target_arm::scan::global): Use || instead of |.
9879
9880 2009-06-02  Doug Kwan  <dougkwan@google.com>
9881
9882         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9883         issued_non_pic_error_.
9884         (class Target_arm::Scan): Declare new method check_non_pic.
9885         Define new method symbol_needs_plt_entry.
9886         Declare new data member issued_non_pic_error_.
9887         (class Target_arm::Relocate): Declare new method
9888         should_apply_static_reloc.
9889         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9890         (Target_arm::Scan::check_non_pic): Define new method.
9891         (Target_arm::Scan::local): Handle a small subset of reloc types used
9892         by Android.
9893         (Target_arm::Scan::local): Same.
9894         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9895
9896 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9897
9898         * incremental.cc (Incremental_inputs::report_command_line): Filter
9899         out --incremental-* options.
9900
9901 2009-05-29  Doug Kwan  <dougkwan@google.com>
9902
9903         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9904         template class.
9905         (class Target_arm): Update comment.
9906         (Target_arm::Target_arm): Initialize new data members GOT_,
9907         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9908         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9909         and Target_arm::rel_dyn_section.
9910         Declare new_enum Target_arm::Got_type.
9911         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9912         and DYNBSS_.
9913         Update commments for member do_dynsym_value.
9914         (Target_arm::got_size, Target_arm::plt_section,
9915         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9916         new methods inside class defintion.
9917         (Target_arm::got_section): Define new method.
9918         (Target_arm::rel_dyn_section): Same.
9919         (Output_data_plt_arm): New template class.
9920         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9921         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9922         (Output_data_plt_arm::add_entry): Same.
9923         (Output_data_plt_arm::first_plt_entry): Define new
9924         static data member for PLT instruction template.
9925         (Output_data_plt_arm::plt_entry): Same.
9926         (Output_data_plt_arm::do_write): Define new method.
9927         (Target_arm::make_plt_entry): Same.
9928         (Target_arm::do_finalize_sections): Same.
9929         (Target_arm::do_dynsym_value): Same.
9930
9931 2009-05-28  Doug Kwan  <dougkwan@google.com>
9932
9933         * Makefile.am (TARGETSOURCES): Add arm.cc.
9934         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9935         * Makefile.in: Regenerate.
9936         * arm.cc: New file.
9937         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9938
9939 2009-05-26  Doug Kwan  <dougkwan@google.com>
9940
9941         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9942         (General_options::check_excluded_libs): Strip off directories in
9943         archive name before matching like GNU ld does.
9944         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9945         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9946         (exclude_libs_test_LDFLAGS): Add linker option
9947         -Wl,--exclude-libs,libexclude_libs_test_3
9948         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9949         an explicit archive without using -l.
9950         (alt/libexclude_libs_test_3.a): New make rule.
9951         * testsuite/Makefile.in: Regenerate.
9952         * testsuite/exclude_libs_test.c : Declare lib3_default().
9953         (main): Call it.
9954         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9955         * exclude_libs_test_3.c: New file.
9956
9957 2009-05-26  Nick Clifton  <nickc@redhat.com>
9958
9959         * po/id.po: New Indonesian translation.
9960         * po/gold.pot: Updated template file.
9961
9962 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9963
9964         * testsuite/Makefile.am: Add -ffunction-sections to compile
9965         gc_comdat_test files.  Add -Wl,--gc-sections to build
9966         gc_comdat_test.
9967         * testsuite/Makefile.in: Regenerate.
9968         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9969
9970 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9971
9972         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9973         kept comdat section was garbage collected.
9974         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9975         * testsuite/Makefile.in: Regenerate.
9976         * testsuite/gc_comdat_test.sh: New file.
9977         * testsuite/gc_comdat_test_1.cc: New file.
9978         * testsuite/gc_comdat_test_2.cc: New file.
9979
9980 2009-05-19  Doug Kwan  <dougkwan@google.com>
9981
9982         * archive.cc (Archive::Archive): Move constructor from archive.h
9983         to here.  Initialize no_export_.
9984         (Archive::get_elf_object_for_member): Set no_export flag of object.
9985         * archive.h (Archive::Archive): Move constructor body to
9986         archive.cc.
9987         (Archive::no_export): New method.
9988         (Archive::no_export_): New field.
9989         * object.h (Object::Object): Initialize no_export_ to false.
9990         (Object::no_export, Object::set_no_export): New methods.
9991         (Object::no_export_): New field.
9992         * options.cc (General_options::parse_exclude_libs): New method.
9993         (General_options::check_excluded_libs) Same.
9994         * options.h (exclude_libs): New option.
9995         (General_options::check_excluded_libs): New method declaration.
9996         (General_options::excluded_libs_): New field.
9997         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9998         default or protected visibility if an object has no-export flag set.
9999         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10000         (check_SCRIPTS): Add exclude_libs_test.sh.
10001         (check_DATA): Add exclude_libs_test.syms.
10002         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10003         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10004         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10005         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10006         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10007         libexclude_libs_test_2.a): New rules.
10008         * testsuite/Makefile.in: Regenerate.
10009         * testsuite/exclude_libs_test.c: New file.
10010         * testsuite/exclude_libs_test.sh: Ditto.
10011         * testsuite/exclude_libs_test_1.c: Ditto.
10012         * testsuite/exclude_libs_test_2.c: Ditto.
10013
10014 2009-05-15  Ian Lance Taylor  <iant@google.com>
10015
10016         * configure.ac: Check for declarations for cases where libiberty.h
10017         checks HAVE_DECL_xxx.
10018         * configure, config.in: Rebuild.
10019
10020 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10021
10022         * gold.h (Incremental_argument_list): Remove (invalid) forward
10023         declaration.
10024         * incremental.cc (Incremental_inputs::report_achive): New method.
10025         (Incremental_inputs::report_object): New method.
10026         (Incremental_inputs::report_script): New method.
10027         (Incremental_inputs::finalize_inputs): New method.
10028         (Incremental_inputs::finalize): Call finalize_inputs().
10029         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10030         Create inputs entries.
10031         * incremental.h (Incremental_input_type): New enum.
10032         (Incremental_inputs::Incremental_input): Initialize new fields.
10033         (Incremental_inputs::report_inputs): New method.
10034         (Incremental_inputs::report_achive): New method.
10035         (Incremental_inputs::report_object): New method.
10036         (Incremental_inputs::report_script): New method.
10037         (Incremental_inputs::finalize_inputs): New method.
10038         (Incremental_inputs::Input_info): New struct.
10039         (Incremental_inputs::Input_info_map): New typedef.
10040         (Incremental_inputs::lock_): New field.
10041         (Incremental_inputs::Inputs_): New field.
10042         (Incremental_inputs::Inputs_map): New field.
10043         * main.cc (main): Call Incremental_input::report_inputs.
10044         * options.h (Input_argument_list): Typedef moved from
10045         Input_arguments.
10046         (Input_file_group::Files): Remove, use ::Input_argument_list.
10047         (Input_file_group::Input_argument_list): Remove, use
10048         ::Input_argument_list.
10049         * plugin.cc (Plugin_manager::add_input_file): Add error in
10050         incremental build.
10051         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10052         functions.
10053         * script.cc (read_input_script): Call
10054         Incremental_input::report_script.
10055         * script.h (Script_info): New class.
10056
10057 2009-04-27  Ian Lance Taylor  <iant@google.com>
10058
10059         * x86_64.cc (do_adjust_output_section): Set entsize to
10060         plt_entry_size.
10061
10062 2009-04-23  Elliott Hughes  <enh@google.com>
10063
10064         * output.cc (Output_file::close): After short writes, continue
10065         writing from the correct offset in the buffer being written.
10066
10067 2009-04-23  Chris Demetriou  <cgd@google.com>
10068
10069         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10070         * configure: Regenerate.
10071         * config.in: Regenerate.
10072         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10073         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10074
10075 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10076
10077         * incremental.cc (Incremental_inputs_header_data): Renamed from
10078         Incremental_input_header_data.
10079         (Incremental_inputs_header_data::data_size): New field.
10080         (Incremental_inputs_header_data::put_input_file_count): Renamed
10081         from input_file_count.
10082         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10083         from command_line_offset.
10084         (Incremental_inputs_header_data::put_reserved): Renamed from
10085         put_reserved.
10086         (Incremental_inputs_entry_data): Renamed from
10087         Incremental_input_entry_data.
10088         (Incremental_inputs_entry_data::data_size): New field.
10089         (Incremental_inputs::report_command_line): New method.
10090         (Incremental_inputs::finalize): New method.
10091         (Incremental_inputs::create_incremental_inputs_data): New method.
10092         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10093         * incremental.h: New file.
10094         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10095        (Layout::finalize): Create incremental inputs section in
10096         incremental builds.
10097        (Layout::create_incremental_info_sections): New method.
10098         * layout.h (Layout::incremental_inputs): New method.
10099        (Layout::create_incremental_info_sections): New method.
10100        (Layout::incremental_inputs_): New field.
10101         * main.cc (main): Notify Incremental_input of the command line.
10102
10103 2009-04-01  Ian Lance Taylor  <iant@google.com>
10104             Mikolaj Zalewski  <mikolajz@google.com>
10105
10106         * gold.h (reserve_unordered_map): Define, three versions, one for
10107         each version of Unordered_map.
10108         * layout.cc (Layout::Layout): Remove options parameter.  Add
10109         number_of_input_files parameter.  Don't initialize options_.
10110         Initialize number_of_input_files_ and resized_signatures_.  Move
10111         sections_are_attached_.
10112         (Layout::layout_group): Reserve space for group_signatures_.
10113         (Layout::find_or_add_kept_section): Change name parameter to be a
10114         reference.  Resize signatures_ map when it gets large enough.
10115         (Layout::layout_eh_frame): Use parameters->options() instead of
10116         this->options_.
10117         (Layout::make_output_section): Likewise.
10118         (Layout::attach_allocated_section_to_segment): Likewise.
10119         (Layout::finalize, Layout::create_executable_stack): Likewise.
10120         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10121         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10122         * layout.h (class Layout): Update declarations.  Remove options_
10123         field.  Add number_of_input_files_ and resized_signatures_
10124         fields.  Move sections_are_attached_ field.
10125         * main.cc (main): Pass number of input files to Layout
10126         constructor.  Don't pass options.
10127
10128 2009-03-30  Ian Lance Taylor  <iant@google.com>
10129
10130         * ffsll.c (ffsll): Correct implementation.
10131
10132 2009-03-27  Ian Lance Taylor  <iant@google.com>
10133
10134         * ffsll.c: New file.
10135         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10136         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10137         * ftruncate.c (ftruncate): Declare before definition.
10138         * mremap.c (mremap): Likewise.
10139         * pread.c (pread): Likewise.
10140         * configure, Makefile.in, config.in: Rebuild.
10141
10142         * mremap.c: New file.
10143         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10144         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10145         (mremap): Declare if HAVE_MREMAP is not defined.
10146         * configure, Makefile.in, config.in: Rebuild.
10147
10148 2009-03-27  Cary Coutant  <ccoutant@google.com>
10149
10150         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10151         position independent.
10152         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10153         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10154
10155 2009-03-24  Cary Coutant  <ccoutant@google.com>
10156
10157         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10158         an executable.
10159         (needs_dynamic_reloc): Likewise.
10160
10161 2009-03-24  Ian Lance Taylor  <iant@google.com>
10162
10163         * yyscript.y (file_cmd): Recognize EXTERN.
10164         (extern_name_list, extern_name_list_body): New nonterminals.
10165         * script.cc (script_add_extern): Define.
10166         * script-c.h (script_add_extern): Declare.
10167
10168 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10169
10170         * object.cc (is_elf_object): Define.
10171         * object.h (is_elf_object): Declare.
10172         * archive.cc (Archive::get_elf_object_for_member): Call
10173         is_elf_object.
10174         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10175
10176 2009-03-24  Elliott Hughes  <enh@google.com>
10177
10178         * output.cc (Output_file::map_anonymous): Define.
10179         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10180         try an anonymous one.  Report the size if the mmap fails.
10181         * output.h (class Output_file): Declare map_anonymous.
10182
10183 2009-03-24  Ian Lance Taylor  <iant@google.com>
10184
10185         * target-select.cc (instantiate_target): Don't acquire the lock if
10186         the instantiated_target_ field has already been set.
10187
10188 2009-03-23  Ian Lance Taylor  <iant@google.com>
10189
10190         * gold-threads.h (class Initialize_lock): Define.
10191         * gold-threads.cc (class Initialize_lock_once): Define.
10192         (initialize_lock_control): New static variable.
10193         (initialize_lock_pointer): New static variable.
10194         (initialize_lock_once): New static function.
10195         (Initialize_lock::Initialize_lock): Define.
10196         (Initialize_lock::initialize): Define.
10197         * target-select.h: Include "gold-threads.h".
10198         (class Target_selector): Add lock_ and initialize_lock_ fields.
10199         Don't define instantiate_target, just declare it.
10200         * target-select.cc (Target_selector::Target_selector): Initialize
10201         new fields.
10202         (Target_selector::instantiate_target): Define.
10203         * descriptors.h: Include "gold-threads.h".
10204         (class Descriptors): Add initialize_lock_ field.
10205         * descriptors.cc (Descriptors::Descriptors): Initialize new
10206         field.
10207         (Descriptors::open): Use initialize_lock_ field
10208         * errors.h (class Errors): Add initialize_lock_ field.
10209         * errors.cc (Errors::Errors): Initialize new field.
10210         (Errors::initialize_lock): Use initialize_lock_ field.
10211         * powerpc.cc (class Target_selector_powerpc): Remove
10212         instantiated_target_ field.  In do_recognize call
10213         instantiate_target rather than do_instantiate_target.  In
10214         do_instantiate_target just allocate a new target.
10215         * sparc.cc (class Target_selector_sparc): Likewise.
10216
10217         * freebsd.h: New file.
10218         * i386.cc: Include "freebsd.h".
10219         (Target_i386): Derive from Target_freebsd rather than
10220         Sized_target.
10221         (Target_selector_i386): Derive from Target_selector_freebsd rather
10222         than Target_selector.
10223         * x86_64.cc: Include "freebsd.h".
10224         (Target_x86_64): Derive from Target_freebsd rather than
10225         Sized_target.
10226         (Target_selector_x86_64): Derive from Target_selector_freebsd
10227         rather than Target_selector.
10228         * target.h (class Target): Add adjust_elf_header and
10229         do_adjust_elf_header.
10230         * output.cc (Output_file_header:: do_sized_write): Call target
10231         adjust_elf_header routine.
10232         * configure.tgt: Set targ_osabi.
10233         * configure.ac: Define GOLD_DEFAULT_OSABI.
10234         * parameters.cc (Parameters::default_target): Pass
10235         GOLD_DEFAULT_OSABI to select_target.
10236         * target-select.h (class Target_selector): Make instantiate_target
10237         protected rather than private.
10238         * Makefile.am (HFILES): Add freebsd.h.
10239         * configure, Makefile.in, config.in: Rebuild.
10240
10241         * merge.cc (do_add_input_section): Correct pend value.  Change
10242         message about last entry not being null terminated from error to
10243         warning.
10244
10245 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10246
10247         * incremental.cc: New file.
10248         * Makefile.am (CCFILES): Add incremental.cc.
10249         * Makefile.in: Rebuild.
10250
10251 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10252
10253         * layout.cc (Layout::output_section_name): Preserve names
10254         of '.note.' sections.
10255
10256 2009-03-19  Ian Lance Taylor  <iant@google.com>
10257
10258         * descriptors.cc (Descriptors::open): Check that the options are
10259         valid before using them.
10260
10261 2009-03-18  Ian Lance Taylor  <iant@google.com>
10262
10263         * script-sections.h: Include <list>.
10264         (class Script_sections): Change Sections_elements from std::vector
10265         to std::list.  Typedef public Elements_iterator.  Add
10266         orphan_section_placement_, data_segment_align_start_, and
10267         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10268         field.
10269         * script-sections.cc (class Orphan_section_placement): New class.
10270         (class Sections_element): Add virtual functions is_relro and
10271         orphan_section_init.  Remove virtual function place_orphan_here.
10272         (class Output_section_definition): Add is_relro and
10273         orphan_section_init.  Remove place_orphan_here.
10274         (class Orphan_output_section): Likewise.
10275         (Script_sections::Script_sections): Update for field changes.
10276         (Script_sections::data_segment_align): Set saw_data_segment_align_
10277         and data_segment_align_start_, not data_segment_align_index.
10278         (Script_sections::data_segment_relro_end): Check
10279         saw_data_segment_align_.  Use data_segment_align_start_ rather
10280         than data_segment_align_index_.
10281         (Script_sections::place_orphan): Rewrite to use
10282         Orphan_section_placement.
10283
10284 2009-03-17  Ian Lance Taylor  <iant@google.com>
10285
10286         * archive.cc (Archive::add_symbols): Check for a version attached
10287         to the symbol name in the archive map.
10288         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10289         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10290         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10291         (ver_test_11.a): New target.
10292         * testsuite/Makefile.in: Rebuild.
10293
10294         * configure.ac: Check for chsize and posix_fallocate.  Replace
10295         ftruncate.
10296         * ftruncate.c: New file, from gnulib.
10297         * output.cc (posix_fallocate): Define dummy version if not
10298         HAVE_POSIX_FALLOCATE.
10299         (Output_file::map): Call posix_fallocate rather than lseek and
10300         write.
10301         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10302         * configure, Makefile.in, config.in: Rebuild.
10303
10304 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10305
10306         * layout.h (Layout::create_note): Add section_name parameter.
10307         * layout.cc (Layout::create_note): Likewise.
10308         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10309
10310 2009-03-17  Ian Lance Taylor  <iant@google.com>
10311
10312         * descriptors.cc: Include "options.h".
10313         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10314         (Descriptors::open): Always use O_CLOEXEC when opening a new
10315         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10316         then set FD_CLOEXEC.
10317
10318         * sparc.cc (class Target_sparc): Add has_got_section.
10319         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10320         make sure we have a GOT section.
10321
10322         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10323         (Target_sparc::Scan::local): Likewise.
10324         (Target_sparc::Scan::global): Likewise.
10325         (Target_sparc::Relocate::relocate): Likewise.
10326         (Target_sparc::Relocate::relocate_tls): Likewise.
10327
10328         * symtab.cc (Symbol_table::define_default_version): New function,
10329         broken out of add_from_object.
10330         (Symbol_table::add_from_object): Call define_default_version.
10331         (Symbol_table::define_special_symbol): Add resolve_oldsym
10332         parameter.  Change all callers.  If the version for a symbol comes
10333         from a version script, resolve it with the symbol with the same
10334         name with no version.  Also add the symbol without a version if
10335         appropriate.
10336         (do_define_in_output_data): If resolving with oldsym, don't delete
10337         sym.
10338         (do_define_in_output_segment): Likewise.
10339         (do_define_as_constant): Likewise.
10340         * symtab.h (class Symbol_table): Update declarations.
10341
10342 2009-03-13  Ian Lance Taylor  <iant@google.com>
10343
10344         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10345         (Read_symbols::requeue): New function.
10346         (Read_symbols::do_read_symbols): If make_elf_object fails because
10347         the target type is not configured, and the file was searched for,
10348         issue a warning and retry with the next directory.
10349         (Add_symbols::run): If the file has an incompatible format, and
10350         it was searched for, requeue the Read_symbols task.  On error,
10351         release the object.
10352         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10353         dirindex parameter to constructor.  Change all callers.  Declare
10354         incompatible_warning and requeue.
10355         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10356         input_argument_ and input_group_ fields.  Add them to
10357         constructor.  Change all callers.
10358         (class Read_script): Add dirindex_ field.  Add it to constructor.
10359         Change all callers.
10360         * archive.cc (Archive::setup): Remove input_objects parameter.
10361         Change all callers.
10362         (Archive::get_file_and_offset): Likewise.
10363         (Archive::read_all_symbols): Likewise.
10364         (Archive::read_symbols): Likewise.
10365         (Archive::get_elf_object_for_member): Remove input_objects
10366         parameter.  Add punconfigured parameter.  Change all callers.
10367         (Archive::add_symbols): Change return type to bool.  Check return
10368         value of include_member.
10369         (Archive::include_all_members): Likewise.
10370         (Archive::include_member): Change return type to bool.  Return
10371         false if first included object has incompatible target.  Set
10372         included_member_ field.
10373         (Add_archive_symbols::run): If add_symbols returns false, requeue
10374         Read_symbols task.
10375         * archive.h (class Archive): Add included_member_ field.
10376         Initialize it in constructor.  Add input_file and searched_for
10377         methods.  Update declarations.
10378         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10379         input_argument_ fields.  Add them to constructor.  Change all
10380         callers.
10381         * script.cc: Include "target-select.h".
10382         (class Parser_closure): Add skip_on_incompatible_target_ and
10383         found_incompatible_target_ fields.  Add
10384         skip_on_incompatible_target parameter to constructor.  Change all
10385         callers.  Add methods skip_on_incompatible_target,
10386         clear_skip_on_incompatible_target, found_incompatible_target, and
10387         set_found_incompatible_target.
10388         (read_input_script): Add dirindex parameter.  Change all callers.
10389         If parser finds an incompatible target, requeue Read_symbols
10390         task.
10391         (script_set_symbol): Clear skip_on_incompatible_target in
10392         closure.
10393         (script_add_assertion, script_parse_option): Likewise.
10394         (script_start_sections, script_add_phdr): Likewise.
10395         (script_check_output_format): New function.
10396         * script.h (read_input_script): Update declaration.
10397         * script-c.h (script_check_output_format): Declare.
10398         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10399         (ignore_cmd): Remove OUTPUT_FORMAT.
10400         * fileread.cc (Input_file::Input_file): Add explicit this.
10401         (Input_file::will_search_for): New function.
10402         (Input_file::open): Add pindex parameter.  Change all callers.
10403         * fileread.h (class Input_file): Add input_file_argument method.
10404         Declare will_search_for.  Update declarations.
10405         * object.cc (make_elf_object): Add punconfigured parameter.
10406         Change all callers.
10407         * object.h (class Object): Make input_file public.  Add
10408         searched_for method.
10409         (make_elf_object): Update declaration.
10410         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10411         restart search.
10412         * dirsearch.h (class Dirsearch): Update declaration.
10413         * options.h (class General_options): Add --warn-search-mismatch.
10414         * parameters.cc (Parameters::is_compatible_target): New function.
10415         * parameters.h (class Parameters): Declare is_compatible_target.
10416         * workqueue.cc (Workqueue::add_blocker): New function.
10417         * workqueue.h (class Workqueue): Declare add_blocker.
10418
10419         * fileread.cc (Input_file::open): Remove options parameter.
10420         Change all callers.
10421         (Input_file::open_binary): Likewise.
10422         * script.cc (read_input_script): Likewise.
10423         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10424         options parameter from constructor.  Change all callers.
10425         (class Read_script): Likewise.
10426         * fileread.h (class Input_file): Update declarations.
10427         * script.h (read_input_script): Update declaration.
10428
10429 2009-03-10  Nick Clifton  <nickc@redhat.com>
10430
10431         * po/es.po: New Spanish translation.
10432
10433 2009-03-06  Cary Coutant  <ccoutant@google.com>
10434
10435         * options.cc (parse_short_option): Keep dash_z from registering itself.
10436
10437 2009-03-03  Ian Lance Taylor  <iant@google.com>
10438
10439         PR 9918
10440         * target-reloc.h (relocate_section): Pass output_section to
10441         relocate.
10442         * i386.cc (Target_i386::should_apply_static_reloc): Add
10443         output_section parameter.  Change all callers.
10444         (Target_i386::Relocate::relocate): Add output_section parameter.
10445         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10446         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10447         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10448         * testsuite/two_file_shared.sh: New script.
10449         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10450         (check_DATA): Add two_file_shared.dbg.
10451         (two_file_shared.dbg): New target.
10452         * testsuite/Makefile.in: Rebuild.
10453
10454 2009-03-01  Ian Lance Taylor  <iant@google.com>
10455
10456         * configure.ac: Check for byteswap.h.
10457         * configure: Rebuild.
10458         * config.in: Rebuild.
10459
10460 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10461
10462         * layout.cc (Layout::find_or_add_kept_section): New function.
10463         (Layout::add_comdat): Removed.
10464         * layout.h (struct Kept_section): Move out of class Layout.
10465         Remove trailing underscores from field names.  Add group_sections
10466         field.  Rename group_ field to is_group.  Change all uses.
10467         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10468         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10469         comdat_groups_ field.
10470         (Sized_relobj::include_section_group): Use
10471         find_or_add_kept_section and Kept_section::group_sections.
10472         (Sized_relobj::include_linkonce_section): Likewise.
10473         * object.cc (class Sized_relobj): Don't define Comdat_group or
10474         Comdat_group_table.  Remove find_comdat_group and
10475         add_comdat_group.  Remove comdat_groups_ field.
10476         * plugin.cc (include_comdat_group): Use
10477         Layout::find_or_add_kept_section.
10478
10479 2009-02-28  Ian Lance Taylor  <iant@google.com>
10480
10481         * README: --gc-sections and map files are now supported.  Document
10482         some build requirements.
10483
10484         PR 6992
10485         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10486         relocatable link set the value of the section symbol to zero.
10487         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10488         relocatable link don't include the section address in the local
10489         symbol value.
10490
10491 2009-02-27  Ian Lance Taylor  <iant@google.com>
10492
10493         PR 6811
10494         * options.h (class Search_directory): Add is_system_directory.
10495         (class General_options): Declare is_in_system_directory.
10496         * options.cc (get_relative_sysroot): Make static.
10497         (get_default_sysroot): Make static.
10498         (General_optoins::is_in_system_directory): New function.
10499         * fileread.cc (Input_file::is_in_system_directory): New function.
10500         * fileread.h (class Input_file): Declare is_in_system_directory.
10501         * object.h (class Object): Add is_in_system_directory.
10502         (class Input_objects): Remove system_library_directory_ field.
10503         * object.cc (Input_objects::add_object): Don't set
10504         system_library_directory_.
10505         (input_objects::found_in_system_library_directory): Remove.
10506         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10507         parameter.  Change all callers.
10508         (Symbol_table::sized_write_globals): Likewise.
10509         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10510         Call Object::is_in_system_directory.
10511         * symtab.h (class Symbol_table): Update declarations.
10512
10513         PR 5990
10514         * descriptors.h (Open_descriptor): Add is_on_stack field.
10515         * descriptors.cc (Descriptors::open): If the descriptor is on the
10516         top of the stack, remove it.  Initialize is_on_stack field.
10517         (Descriptors::release): Only add pod to stack if it is not on the
10518         stack already.
10519         (Descriptors::close_some_descriptor): Clear stack_next and
10520         is_on_stack fields.
10521
10522         PR 7091
10523         * output.cc (Output_section::find_starting_output_address): Rename
10524         from starting_output_address; add PADDR parameter; change return
10525         type.
10526         * output.h (class Output_section): Declare
10527         find_starting_output_address instead of starting_output_address.
10528         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10529         section symbol for which we can't find a merge section.
10530
10531         PR 9836
10532         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10533         hidden or internal, force the symbol to be local.
10534         * resolve.cc (Symbol::override_visibility): Define.
10535         (Symbol::override_base): Use override_visibility.
10536         (Symbol_table::resolve): Likewise.
10537         (Symbol::override_base_with_special): Likewise.
10538         (Symbol_table::override_with_special): If the visibility is hidden
10539         or internal, force the symbol to be local.
10540         * symtab.h (class Symbol): Add set_visibility and
10541         override_visibility.
10542         * testsuite/ver_test_1.sh: New file.
10543         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10544         (check_DATA): Add ver_test_1.syms.
10545         (ver_test_1.syms): New target.
10546         * testsuite/Makefile.in: Rebuild.
10547
10548 2009-02-25  Cary Coutant  <ccoutant@google.com>
10549
10550         * layout.cc (Layout::choose_output_section): Don't rename sections
10551         when using a linker script that has a SECTIONS clause.
10552         * Makefile.in: Regenerate.
10553
10554         * testsuite/Makefile.am (script_test_5.sh): New test case.
10555         * testsuite/Makefile.in: Regenerate.
10556         * testsuite/script_test_5.cc: New file.
10557         * testsuite/script_test_5.sh: New file.
10558         * testsuite/script_test_5.t: New file.
10559
10560 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10561
10562         * archive.cc (Archive::include_member): Update calls to add_symbols.
10563         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10564         the Layout argument.
10565         * dynobj.h (do_add_symbols): Add the Layout argument.
10566         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10567         Layout argument.
10568         * object.h (Object::add_symbols): Add the Layout argument.
10569         (Object::do_add_symbols): Add the Layout argument.
10570         (Sized_relobj::do_add_symbols): Add the Layout argument.
10571         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10572         Unify the two versions.
10573         (Add_plugin_symbols): Remove.
10574         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10575         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10576         (Add_plugin_symbols): Remove.
10577         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10578         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10579         (Add_symbols::run): Make it work with Pulginobj.
10580
10581 2009-02-06  Ian Lance Taylor  <iant@google.com>
10582
10583         * object.cc (Sized_relobj::do_layout): Make info message start
10584         with lower case letter.
10585
10586 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10587
10588         * binary.cc: Fix file comment.
10589
10590         * options.h (enum Incremental_disposition): Define.
10591         (class General_options): Add new options: --incremental,
10592         --incremental_changed, --incremental_unchanged,
10593         --incremental_unknown.  Add incremental_disposition_ and
10594         implicit_incremental_ fields.
10595         (General_options::incremental_disposition): New function.
10596         (class Position_dependent_options): Add incremental_disposition
10597         option.
10598         (Position_dependent_options::copy_from_options): Set incremental
10599         dispositions.
10600         * options.cc (General_options::parse_incremental_changed): New
10601         function.
10602         (General_options::parse_incremental_unchanged): New function.
10603         (General_options::parse_incremental_unknown): New function.
10604         (General_options::General_options): Initialize new fields
10605         incremental_disposition_ and implicit_incremental_.
10606         (General_options::finalize): Check for uasge of --incremental-*
10607         without --incremental.
10608
10609 2009-02-06  Chris Demetriou  <cgd@google.com>
10610
10611         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10612         pointer and to report location as the file name associated with
10613         the symbol.
10614         (gold_undefined_symbol_at_location): New function to replace the
10615         old gold_undefined_symbol functionality.
10616         * target-reloc.h (relocate_section): Update to use
10617         gold_undefined_symbol_at_location.
10618         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10619         Call gold_undefined_symbol function rather than gold_error.
10620         * errors.h (Errors::undefined_symbol): Take location as a
10621         string, rather than calculating it from a relocation.
10622         * errors.cc (Errors::fatal): Print "fatal error:" before the
10623         formatted message.
10624         (Errors::error, Errors::error_at_location): Print "error: "
10625         before the formatted message.
10626         (Errors::undefined_symbol): Take location as a string, rather
10627         than calculating it from a relocation.
10628         (gold_undefined_symbol_at_location): New function akin to
10629         old gold_undefined_symbol, calculates location from relocation.
10630         (gold_undefined_symbol): Change to take only a Symbol pointer
10631         and to report location as the file name associated with the symbol.
10632         * testsuite/debug_msg.sh: Update for changed error messages.
10633         * testsuite/undef_symbol.sh: Likewise.
10634
10635 2009-02-04  Duncan Sands  <baldrick@free.fr>
10636
10637         PR 9812
10638         * reduced_debug_output.h
10639         (Output_reduced_debug_abbrev_section::failed): Use format for
10640         gold_warning.
10641         (Output_reduced_debug_info_section::faild): Likewise.
10642
10643 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10644
10645         * script.cc (Lazy_demangler): New class.
10646         (Version_script_info::get_symbol_version_helper): Demangle a
10647         symbol only once.
10648
10649 2009-01-29  Cary Coutant  <ccoutant@google.com>
10650
10651         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10652         to __tls_get_addr.
10653         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10654
10655 2009-01-28  Ian Lance Taylor  <iant@google.com>
10656
10657         * version.cc (version_string): Bump to 1.9.
10658
10659         * gold.h: Include <cstring> and <stdint.h>.
10660         * version.cc: Include <cstdio>.
10661         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10662         warning.
10663         * reduced_debug_output.cc (insert_into_vector): Rename from
10664         Insert_into_vector; change all callers.  Use Swap_unaligned to
10665         avoid aliasing issue; remove union since it is unnecessary.
10666
10667 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10668
10669         * Makefile.am (CCFILES): Add gc.cc.
10670         (HFILES): Add gc.h.
10671         * Makefile.in: Regenerate.
10672         * gold.cc (Gc_runner): New class.
10673         (queue_initial_tasks): Call garbage collection related tasks
10674         when corresponding options are invoked.
10675         (queue_middle_gc_tasks): New function.
10676         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10677         processed early before laying out sections during garbage collection.
10678         * gold.h (queue_middle_gc_tasks): New function.
10679         (is_prefix_of): Move from "layout.cc".
10680         * i386.cc (Target_i386::gc_process_relocs): New function.
10681         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10682         * main.cc (main): Create object of class "Garbage_collection".
10683         * object.cc (Relobj::copy_symbols_data): New function.
10684         (Relobj::is_section_name_included): New function.
10685         (Sized_relobj::do_layout): Allow this function to be called twice
10686         during garbage collection and defer layout of section during the
10687         first call.
10688         * object.h (Relobj::get_symbols_data): New function.
10689         (Relobj::is_section_name_included): New function.
10690         (Relobj::copy_symbols_data): New function.
10691         (Relobj::set_symbols_data): New function.
10692         (Relobj::get_relocs_data): New function.
10693         (Relobj::set_relocs_data): New function.
10694         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10695         (Relobj::gc_process_relocs): New function.
10696         (Relobj::do_gc_process_relocs): New pure virtual function.
10697         (Relobj::sd_): New data member.
10698         (Sized_relobj::is_output_section_offset_invalid): New function.
10699         (Sized_relobj::do_gc_process_relocs): New function.
10700         * options.h (General_options::gc_sections): Modify to not be a no-op.
10701         (General_options::print_gc_sections): New option.
10702         * plugin.cc (Plugin_finish::run): Remove function call to
10703         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10704         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10705         * reloc.cc (Read_relocs::run): Add task to process relocs and
10706         determine unreferenced sections when doing garbage collection.
10707         (Gc_process_relocs): New class.
10708         (Sized_relobj::do_gc_process_relocs): New function.
10709         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10710         sections that are garbage collected.
10711         * reloc.h (Gc_process_relocs): New class.
10712         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10713         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10714         symbols whose corresponding sections are garbage collected.
10715         (Symbol_table::Symbol_table): Add new parameter for the garbage
10716         collection object.
10717         (Symbol_table::gc_mark_undef_symbols): New function.
10718         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10719         (Symbol_table::gc_mark_dyn_syms): New function.
10720         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10721         as garbage.
10722         (Symbol_table::add_from_object): Likewise.
10723         (Symbol_table::add_from_relobj): When building shared objects, do not
10724         treat externally visible symbols as garbage.
10725         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10726         table information for static and relocatable links.
10727         * symtab.h (Symbol_table::set_gc): New function.
10728         (Symbol_table::gc): New function.
10729         (Symbol_table::gc_mark_undef_symbols): New function.
10730         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10731         (Symbol_table::gc_mark_dyn_syms): New function.
10732         (Symbol_table::gc_): New data member.
10733         * target.h (Sized_target::gc_process_relocs): New pure virtual
10734         function.
10735         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10736         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10737
10738 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10739
10740         * options.h (General_options::gc_sections): Define as a no-op for now.
10741         (General_options::no_keep_memory): Ditto.
10742         (General_options::Bshareable): Define.
10743         * options.cc (General_options::finalize): Honor -Bshareable.
10744
10745 2009-01-20  Andreas Schwab  <schwab@suse.de>
10746
10747         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10748         read the value in the contents, since we don't use it.  Use the
10749         template endianness when writing.
10750         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10751
10752 2009-01-19  Andreas Schwab  <schwab@suse.de>
10753
10754         * configure.tgt (powerpc64-*): Fix targ_obj.
10755
10756 2009-01-15  Ian Lance Taylor  <iant@google.com>
10757
10758         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10759         local symbols when stripping all symbols.
10760
10761 2009-01-14  Cary Coutant  <ccoutant@google.com>
10762
10763         * output.cc (Output_reloc): Add explicit instantiations.
10764
10765 2009-01-14  Cary Coutant  <ccoutant@google.com>
10766
10767         * archive.cc (Archive::get_elf_object_for_member): Remove call
10768         to File_read::claim_for_plugin.
10769         * descriptors.cc (Descriptors::open): Remove reference to
10770         is_claimed.
10771         (Descriptors::claim_for_plugin): Remove.
10772         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10773         (Descriptors::is_claimed): Remove.
10774         (claim_descriptor_for_plugin): Remove.
10775         * fileread.cc (File_read::claim_for_plugin): Remove.
10776         * fileread.h (File_read::claim_for_plugin): Remove.
10777         (File_read::descriptor): Reopen descriptor if necessary.
10778         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10779         (Plugin_manager::all_symbols_read): Add task parameter. Change
10780         all callers.
10781         (Plugin_manager::get_input_file): New function.
10782         (Plugin_manager::release_input_file): New function.
10783         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10784         corresponding data member.
10785         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10786         and pass to base constructor. Change all callers.
10787         (get_input_file, release_input_file): New functions.
10788         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10789         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10790         (Plugin_manager::all_symbols_read): Add task parameter.
10791         (Plugin_manager::get_input_file): New function.
10792         (Plugin_manager::release_input_file): New function.
10793         (Plugin_manager::task_): New data member.
10794         (Pluginobj::Pluginobj): Add filesize parameter.
10795         (Pluginobj::filename): New function.
10796         (Pluginobj::descriptor): New function.
10797         (Pluginobj::filesize): New function.
10798         (Pluginobj::filesize_): New data member.
10799         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10800         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10801         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10802
10803         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10804         with archive libraries.
10805         * testsuite/Makefile.in: Regenerate.
10806         * testsuite/plugin_test.c (struct sym_info): New type.
10807         (get_input_file, release_input_file): New static variables.
10808         (onload): Capture new transfer vector entries.
10809         (claim_file_hook): Stop reading at end of file according to filesize.
10810         Factor out parsing of readelf output into separate function.
10811         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10812         APIs and get the source file name from the symbol table.  Convert
10813         source file name to corresponding object file name.  Print info
10814         message when adding new input files.
10815         (parse_readelf_line): New function.
10816         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10817         * testsuite/plugin_test_2.sh: Likewise.
10818         * testsuite/plugin_test_3.sh: Likewise.
10819         * testsuite/plugin_test_4.sh: New test case.
10820
10821 2009-01-07  Ian Lance Taylor  <iant@google.com>
10822
10823         * version.cc (version_string): Bump to 1.8.
10824
10825 2008-12-23  Cary Coutant  <ccoutant@google.com>
10826
10827         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10828         * plugin.cc (Plugin_manager::finish): Rename as
10829         layout_deferred_objects.  Move cleanup to separate function.
10830         (Plugin_manager::cleanup): New function.
10831         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10832         separately.
10833         * plugin.h (Plugin_manager::finish): Rename as
10834         layout_deferred_objects.
10835         (Plugin_manager::cleanup): New function.
10836         (Plugin_manager::cleanup_done): New field.
10837
10838 2008-12-23  Cary Coutant  <ccoutant@google.com>
10839
10840         * plugin.cc (is_visible_from_outside): New function.
10841         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10842         so we don't return "IR only" status for exported symbols or -r links.
10843
10844         * testsuite/Makefile.am (plugin_test_3): New test case.
10845         * testsuite/Makefile.in: Regenerate.
10846         * testsuite/plugin_test_3.sh: New file.
10847
10848 2008-12-22  Cary Coutant  <ccoutant@google.com>
10849
10850         * object.cc (Sized_relobj::layout_section): New function.
10851         (Sized_relobj::do_layout): Defer layout of input sections until after
10852         plugin has provided replacement files.
10853         (Sized_relobj::do_layout_deferred_sections): New function.
10854         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10855         (Relobj::layout_deferred_sections): New function.
10856         (Relobj::do_layout_deferred_sections): New function.
10857         (Sized_relobj::do_layout_deferred_sections): New function.
10858         (Sized_relobj::layout_section): New function.
10859         (Sized_relobj::Deferred_layout): New structure.
10860         (Sized_relobj::deferred_layout_): New field.
10861         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10862         Change all callers.  Layout deferred sections.
10863         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10864         references.
10865         (Plugin_hook::run): Move code from do_plugin_hook inline.
10866         (Plugin_hook::do_plugin_hook): Remove.
10867         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10868         (Plugin_manager::finish): Renamed, was cleanup.
10869         (Plugin_manager::should_defer_layout): New function.
10870         (Plugin_manager::add_deferred_layout_object): New function.
10871         (Plugin_manager::Deferred_layout_list): New type.
10872         (Plugin_manager::deferred_layout_objects_): New field.
10873         (Plugin_hook::do_plugin_hook): Remove.
10874
10875 2008-12-17  Ian Lance Taylor  <iant@google.com>
10876
10877         * options.h (class General_options): Add --no case for
10878         --export-dynamic.
10879
10880 2008-12-16  Cary Coutant  <ccoutant@google.com>
10881
10882         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10883         vector.
10884         (Plugin_manager::claim_file): Create plugin object even if
10885         plugin did not call the add_symbols callback.
10886         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10887         asking for more symbols than were added.
10888         * testsuite/Makefile.am (plugin_test_1): Add test case with
10889         no global symbols.
10890         (empty.syms): New target.
10891         * testsuite/Makefile.in: Regenerate.
10892         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10893         message. Don't call add_symbols if no globals.
10894         (all_symbols_read_hook): Don't provide replacement for empty
10895         claimed file.
10896
10897 2008-12-12  Ian Lance Taylor  <iant@google.com>
10898
10899         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10900         r_type == 0 for a local symbol with r_sym == 0.
10901         (scan_relocatable_relocs): Pass r_sym to
10902         local_non_section_strategy.
10903         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10904         r_sym parameter.
10905
10906         * configure.ac: Update test for TLS descriptors: they are
10907         supported as of glibc 2.9.
10908         * configure: Rebuild.
10909
10910 2008-12-11  Ian Lance Taylor  <iant@google.com>
10911
10912         PR 7091
10913         * target-reloc.h (Default_scan_relocatable_relocs): For each
10914         function, map r_type == 0 to RELOC_DISCARD.
10915
10916 2008-12-10  Cary Coutant  <ccoutant@google.com>
10917
10918         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10919         object to override a kept COMDAT group from a plugin object.
10920
10921 2008-12-09  Ian Lance Taylor  <iant@google.com>
10922
10923         PR 7088
10924         * yyscript.y (file_cmd): Handle INPUT.
10925
10926         * testsuite/initpri1.c: Change all declarations to be full
10927         prototypes by adding void, to avoid compiler warnings.
10928
10929 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10930
10931         * options.cc (General_options::parse_plugin_opt): New.
10932         (General_options::add_plugin): The argument now is just the filename.
10933         (General_options::add_plugin_option): New.
10934         * options.h (plugin_opt): New.
10935         (add_plugin): Change argument name.
10936         (add_plugin_option): New.
10937         * plugin.cc (Plugin::load): Don't parse the plugin option.
10938         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10939         (Plugin::add_option): New.
10940         (Plugin::args_): Change type.
10941         (Plugin::filename_): New.
10942         (Plugin_manager::add_plugin_option): New.
10943         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10944         * testsuite/Makefile.in: Regenerate.
10945
10946 2008-12-05  Cary Coutant  <ccoutant@google.com>
10947
10948         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10949         Handle --strip-lto-sections option.
10950         * options.h (strip_lto_sections): New option.
10951
10952 2008-12-01  Cary Coutant  <ccoutant@google.com>
10953
10954         * plugin.cc (ld_plugin_message): Change format parameter to const.
10955         Fix mismatch between new[] and delete.
10956
10957 2008-11-14  Cary Coutant  <ccoutant@google.com>
10958
10959         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10960         instead of -1U.
10961
10962 2008-11-05  Craig Silverstein  <csilvers@google.com>
10963
10964         * options.cc (General_options::parse_dynamic_list): New function.
10965         * options.h (General_options): New flags dynamic_list,
10966         dynamic_list_data, dynamic_list_cpp_new, and
10967         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10968         (General_options::in_dynamic_list): New function.
10969         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10970         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10971         (Lex::can_continue_name): Likewise.
10972         (yylex): Likewise.
10973         (read_script_file): New parameter script_options.
10974         (read_dynamic_list): New function.
10975         (Script_options::define_dynamic_list): New function.
10976         (dynamic_list_keyword_parsecodes): New variable.
10977         (dynamic_list_keywords): New variable.
10978         * script.h (Script_options::define_dynamic_list): New function
10979         prototype.
10980         (read_dynamic_list): New function prototype.
10981         * symtab.cc (strprefix): New macro.
10982         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10983         dynamic_list_data, dynamic_list_cpp_new, and
10984         dynamic_list_cpp_typeinfo.
10985         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10986         (dynamic_list_expr): New rule.
10987         (dynamic_list_nodes): Likewise.
10988         (dynamic_list_node): Likewise.
10989         * testsuite/Makefile.am (dynamic_list): New test.
10990         * testsuite/Makefile.in: Regenerated.
10991         * testsuite/dynamic_list.t: New file.
10992         * testsuite/dynamic_list.sh: New file.
10993
10994 2008-11-05  Craig Silverstein  <csilvers@google.com>
10995
10996         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10997         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10998         (t11_last): Likewise.
10999         * testsuite/ver_test_6.c (main): Likewise.
11000
11001 2008-10-07  Cary Coutant  <ccoutant@google.com>
11002
11003         * options.c (General_options::finalize): Add check for -static and
11004         -shared.
11005         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11006         is not empty.
11007
11008 2008-10-02  Cary Coutant  <ccoutant@google.com>
11009
11010         * plugin.cc (make_sized_plugin_object): Fix conditional
11011         compilation to work when not all targets are enabled.
11012
11013 2008-09-29  Cary Coutant  <ccoutant@google.com>
11014
11015         * archive.cc (Archive::get_file_and_offset): Use filename instead
11016         of name to get library path.
11017         (Archive::include_member): Unlock external member of a thin archive.
11018
11019         * testsuite/Makefile.am (TEST_AR): New variable.
11020         (thin_archive_test_1): New test.
11021         (thin_archive_test_2): New test.
11022         * testsuite/Makefile.in: Regenerate.
11023         * testsuite/thin_archive_main.cc: New file.
11024         * testsuite/thin_archive_test_1.cc: New file.
11025         * testsuite/thin_archive_test_2.cc: New file.
11026         * testsuite/thin_archive_test_3.cc: New file.
11027         * testsuite/thin_archive_test_4.cc: New file.
11028
11029 2008-09-29  Cary Coutant  <ccoutant@google.com>
11030
11031         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11032         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11033         instead of -1U.
11034         (Sized_relobj::do_finalize_local_symbols): Likewise.
11035         (Sized_relobj::map_to_kept_section): Likewise.
11036         * object.h (Sized_relobj::invalid_address): New constant.
11037         (Sized_relobj::do_output_section_offset): Check for invalid_address
11038         and return -1ULL.
11039         * output.cc (Output_reloc::local_section_offset): Use constant
11040         invalid_address instead of -1U.
11041         (Output_reloc::get_address): Likewise.
11042         (Output_section::output_address): Change -1U to -1ULL.
11043         * output.h (Output_reloc::invalid_address): New constant.
11044         * reloc.cc (Sized_relobj::write_sections): Use constant
11045         invalid_address instead of -1U.
11046         (Sized_relobj::relocate_sections): Likewise.
11047         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11048         values for merge sections.
11049         * target-reloc.h (relocate_for_relocatable): Use constant
11050         invalid_address instead of -1U.
11051
11052 2008-09-19  Cary Coutant  <ccoutant@google.com>
11053
11054         Add plugin functionality for link-time optimization (LTO).
11055         * configure.ac (plugins): Add --enable-plugins option.
11056         * configure: Regenerate.
11057         * config.in: Regenerate.
11058         * Makefile.am (LIBDL): New variable.
11059         (CCFILES): Add plugin.cc.
11060         (HFILES): Add plugin.h.
11061         (ldadd_var): Add LIBDL.
11062         * Makefile.in: Regenerate.
11063
11064         * archive.cc: Include "plugin.h".
11065         (Archive::setup): Don't preread archive symbols when using a plugin.
11066         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11067         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11068         files.
11069         (Archive::include_member): Add symbols from plugin objects.
11070         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11071         * descriptors.cc (Descriptors::open): Check for file descriptors
11072         abandoned by plugins.
11073         (Descriptors::claim_for_plugin): New function.
11074         * descriptors.h (Descriptors::claim_for_plugin): New function.
11075         (Open_descriptor::is_claimed): New field.
11076         (claim_descriptor_for_plugin): New function.
11077         * fileread.cc (File_read::claim_for_plugin): New function.
11078         * fileread.h (File_read::claim_for_plugin): New function.
11079         (File_read::descriptor): New function.
11080         * gold.cc: Include "plugin.h".
11081         (queue_initial_tasks): Add task to call plugin hooks for generating
11082         new object files.
11083         * main.cc: Include "plugin.h".
11084         (main): Load plugin libraries.
11085         * object.h (Pluginobj): Declare.
11086         (Object::pluginobj): New function.
11087         (Object::do_pluginobj): New function.
11088         (Object::set_target): New function.
11089         * options.cc: Include "plugin.h".
11090         (General_options::parse_plugin): New function.
11091         (General_options::General_options): Initialize plugins_ field.
11092         (General_options::add_plugin): New function.
11093         * options.h (Plugin_manager): Declare.
11094         (General_options): Add --plugin option.
11095         (General_options::has_plugins): New function.
11096         (General_options::plugins): New function.
11097         (General_options::add_plugin): New function.
11098         (General_options::plugins_): New field.
11099         * plugin.cc: New file.
11100         * plugin.h: New file.
11101         * readsyms.cc: Include "plugin.h".
11102         (Read_symbols::do_read_symbols): Check for archive before checking
11103         for ELF file.  Call plugin hooks to claim files.
11104         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11105         from a real object file; force override when processing replacement
11106         files.
11107         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11108         (Symbol::init_base_object): Likewise.
11109         (Symbol::init_base_output_data): Likewise.
11110         (Symbol::init_base_output_segment): Likewise.
11111         (Symbol::init_base_constant): Likewise.
11112         (Symbol::init_base_undefined): Likewise.
11113         (Symbol::output_section): Assert that object is not a plugin.
11114         (Symbol_table::add_from_pluginobj): New function.
11115         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11116         undefined.
11117         (Symbol_table::sized_write_globals): Likewise.
11118         (Symbol_table::add_from_pluginobj): Instantiate template.
11119         * symtab.h (Sized_pluginobj): Declare.
11120         (Symbol::in_real_elf): New function.
11121         (Symbol::set_in_real_elf): New function.
11122         (Symbol::in_real_elf_): New field.
11123         (Symbol_table::add_from_pluginobj): New function.
11124
11125         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11126         (LIBDL): New variable.
11127         (LDADD): Add LIBDL.
11128         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11129         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11130         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11131         (MOSTLYCLEANFILES): Likewise.
11132         * testsuite/Makefile.in: Regenerate.
11133         * testsuite/plugin_test.c: New file.
11134         * testsuite/plugin_test_1.sh: New file.
11135         * testsuite/plugin_test_2.sh: New file.
11136
11137 2008-09-16  Ian Lance Taylor  <iant@google.com>
11138
11139         * target-reloc.h (relocate_section): Check whether a symbol is
11140         defined by the ABI before reporting an undefined symbol error.
11141         * target.h (Target::is_defined_by_abi): Make parameter const.
11142         (Target::do_is_defined_by_abi): Likewise.
11143         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11144         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11145         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11146         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11147         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11148         * testsuite/Makefile.in: Rebuild.
11149
11150         * fileread.cc (make_view): Add casts to avoid warning.
11151
11152 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11153
11154         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11155         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11156
11157 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11158
11159         * options.h (General_options::output_is_executable): New.
11160         (General_options::output_is_pie): New.
11161         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11162         for shared libraries.
11163         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11164
11165 2008-09-11  Chris Demetriou  <cgd@google.com>
11166
11167         * options.h (origin): New -z option.
11168         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11169         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11170         in DT_FLAGS_1.
11171
11172 2008-09-05  Cary Coutant  <ccoutant@google.com>
11173
11174         * fileread.cc (File_read::make_view): Add check for attempt to map
11175         beyond end of file.
11176
11177 2008-09-05  Cary Coutant  <ccoutant@google.com>
11178
11179         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11180         explicit instantiations.
11181
11182 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11183
11184         PR gold/6858
11185         * options.cc (General_options::finalize): Allow undefined symbols
11186         in shlibs if linking -shared.
11187
11188         PR gold/6859
11189         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11190         symbols as not needing a dynsym entry.
11191
11192 2008-08-20  Craig Silverstein  <csilvers@google.com>
11193
11194         * fileread.cc (File_read::open): Do not lock the file unless it
11195         was successfully opened.
11196
11197 2008-08-14  Cary Coutant  <ccoutant@google.com>
11198
11199         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11200         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11201         * testsuite/tls_test.cc (struct int128): 128-bit struct
11202         for testing TLS relocs with non-zero addend.
11203         (v12): New TLS variable.
11204         (t12): New test.
11205         (t_last): Add check for v12.
11206         * testsuite/tls_test.h (t12): New function.
11207         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11208
11209 2008-08-13  Ian Lance Taylor  <iant@google.com>
11210
11211         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11212         set tls_segment_ or relro_segment_.
11213         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11214         when appropriate.
11215         * output.h (Output_section::clear_is_relro): New function.
11216         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11217         sections specially even when output_data_ is empty.
11218         (Output_segment::maximum_alignment): When first section is relro,
11219         only force alignment for PT_LOAD segments.
11220         * script.cc (script_data_segment_align): New function.
11221         (script_data_segment_relro_end): New function.
11222         * script-c.h (script_data_segment_align): Declare.
11223         (script_data_segment_relro_end): Declare.
11224         * script-sections.h (class Script_sections): Declare
11225         data_segment_align and data_segment_relro_end.  Add fields
11226         segment_align_index_ and saw_relro_end_.
11227         * script-sections.cc (class Sections_element): Add set_is_relro
11228         virtual function.  Add new bool* parameter to place_orphan_here.
11229         Add get_output_section virtual function.
11230         (class Output_section_definition): Add set_is_relro.  Add new
11231         bool* parameter to place_orphan_here.  Add get_output_section.
11232         Add is_relro_ field.
11233         (Output_section_definition::Output_section_definition): Initialize
11234         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11235         and is_relro_ fields.
11236         (Output_section_definition::place_orphan_here): Add is_relro
11237         parameter.
11238         (Output_section_definition::set_section_addresses): Set relro for
11239         output section.
11240         (Output_section_definition::alternate_constraint): Likewise.
11241         (class Orphan_output_section): Add new bool* parameter to
11242         place_orphan_here.  Add get_output_section.
11243         (Orphan_output_section::place_orphan_here): Add is_relro
11244         parameter.
11245         (Script_sections::Script_sections): Initialize
11246         data_segment_align_index_ and saw_relro_end_.
11247         (Script_sections::data_segment_align): New function.
11248         (Script_sections::data_segment_relro_end): New function.
11249         (Script_sections::place_orphan): Set or clear is_relro.
11250         (Script_sections::set_section_addresses): Force alignment of first
11251         TLS section.
11252         * yyscript.y (exp): Call script_data_segment_align and
11253         script_data_segment_relro_end.
11254         * testsuite/relro_script_test.t: New file.
11255         * testsuite/relro_test.cc (using_script): Declare.
11256         (t1, t2): Test using_script.
11257         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11258         (relro_script_test_SOURCES): Define.
11259         (relro_script_test_DEPENDENCIES): Define.
11260         (relro_script_test_LDFLAGS): Define.
11261         (relro_script_test_LDADD): Define.
11262         (relro_script_test.so): New target.
11263         * testsuite/Makefile.in: Rebuild.
11264
11265 2008-08-06  Cary Coutant <ccoutant@google.com>
11266
11267         * archive.cc (Archive::total_archives, Archive::total_members)
11268         (Archive::total_members_loaded): New variables.
11269         (Archive::setup): Add parameter.  Add option to preread
11270         archive symbols.
11271         (Archive::read_armap): Add counter.
11272         (Archive::get_file_and_offset): New function.
11273         (Archive::get_elf_object_for_member): New function.
11274         (Archive::read_all_symbols): New function.
11275         (Archive::read_symbols): New function.
11276         (Archive::add_symbols): Add counters.
11277         (Archive::include_all_members): Use armap to find members if it's
11278         already built.
11279         (Archive::include_member): Skip reading symbols if already read.
11280         Factored code into Archive::get_file_and_offset and
11281         Archive::get_elf_object_for_member.  Changed call to
11282         Mapfile::report_include_archive_member.
11283         (Archive::print_stats): New function.
11284         * archive.h: Declare Object and Read_symbols_data classes.
11285         (Archive::Archive): Add initializers for new members.
11286         (Archive::setup): Add parameter.
11287         (Archive::print_stats): New function.
11288         (Archive::total_archives, Archive::total_members)
11289         (Archive::total_members_loaded): New variables.
11290         (Archive::get_file_and_offset): New function.
11291         (Archive::get_elf_object_for_member): New function.
11292         (Archive::read_all_symbols): New function.
11293         (Archive::read_symbols): New function.
11294         (Archive::Archive_member): New class.
11295         (Archive::members_): New member.
11296         (Archive::num_members_): New member.
11297         * main.cc: Include archive.h.
11298         (main): Call Archive::print_stats.
11299         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11300         archive parameter; member_name is now the fully-decorated name.
11301         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11302         * options.h: (General_options): Add --preread-archive-symbols option.
11303         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11304         Archive::setup.
11305
11306 2008-08-04  Ian Lance Taylor  <iant@google.com>
11307
11308         * symtab.h (Symbol::use_plt_offset): New function.
11309         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11310         * powerpc.cc (Relocate::relocate): Likewise.
11311         * sparc.cc (Relocate::relocate): Likewise.
11312         * x86_64.cc (Relocate::relocate): Likewise.
11313         * testsuite/weak_plt.sh: New test.
11314         * testsuite/weak_plt_main.cc: New test.
11315         * testsuite/weak_plt_shared.cc: New test.
11316         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11317         (check_PROGRAMS): Add weak_plt.
11318         (check_DATA): Add weak_plt_shared.so.
11319         (weak_plt_main_pic.o, weak_plt): New targets.
11320         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11321         * testsuite/Makefile.in: Rebuild.
11322
11323         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11324         gcctestdir/ld.
11325         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11326         * testsuite/Makefile.in: Rebuild.
11327
11328 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11329
11330         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11331         * Makefile.in: Regenerate.
11332         * po/POTFILES.in: Regenerate.
11333
11334 2008-07-29  Ian Lance Taylor  <iant@google.com>
11335
11336         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11337         symbols before other symbols.
11338         * testsuite/script_test_2.cc (test_addr): Declare.
11339         (test_addr_alias): Declare.
11340         (main): Check that test_addr and test_addr_alias have the right
11341         values.
11342         * testsuite/script_test_2.t: Define test_addr_alias and
11343         test_addr.
11344
11345 2008-07-24  Ian Lance Taylor  <iant@google.com>
11346
11347         PR 5990
11348         * descriptors.cc: New file.
11349         * descriptors.h: New file.
11350         * gold-threads.h (class Hold_optional_lock): New class.
11351         * fileread.cc: Include "descriptors.h".
11352         (File_read::~File_read): Release descriptor rather than closing
11353         it.
11354         (File_read::open) [file]: Call open_descriptor rather than open.
11355         Set is_descriptor_opened_.
11356         (File_read::open) [memory]: Assert that descriptor is not open.
11357         (File_read::reopen_descriptor): New function.
11358         (File_read::release): Release descriptor.
11359         (File_read::do_read): Make non-const.  Reopen descriptor.
11360         (File_read::read): Make non-const.
11361         (File_read::make_view): Reopen descriptor.
11362         (File_read::do_readv): Likewise.
11363         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11364         Update declarations.
11365         * layout.cc: Include "descriptors.h".
11366         (Layout::create_build_id): Use open_descriptor rather than open.
11367         * output.cc: Include "descriptors.h".
11368         (Output_file::open): Use open_descriptor rather than open.
11369         * archive.cc (Archive::const_iterator): Change Archive to be
11370         non-const.
11371         (Archive::begin, Archive::end): Make non-const.
11372         (Archive::count_members): Likewise.
11373         * archive.h (class Archive): Update declarations.
11374         * object.h (Object::read): Make non-const.
11375         * Makefile.am (CCFILES): Add descriptors.cc.
11376         (HFILES): Add descriptors.h.
11377         * Makefile.in: Rebuild.
11378
11379         PR 6716
11380         * gold.h: Always include <clocale>.  Add Solaris workarounds
11381         following code in binutils/sysdep.h.
11382
11383         PR 6048
11384         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11385         this->eh_frame_hdr_ is NULL before using it.
11386
11387         * dynobj.cc (Versions::Versions): Update comment.
11388
11389         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11390         the base version name.
11391
11392         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11393         array size plus one.
11394         (Stringpool_template::set_string_offsets): Subtract one from key
11395         before using it as an array index.
11396         (Stringpool_template::get_offset_with_length): Likewise.
11397         (Stringpool_template::write_to_buffer): Likewise.
11398         * stringpool.h (Stringpool_template::get_offset_from_key):
11399         Likewise.
11400
11401 2008-07-23  Ian Lance Taylor  <iant@google.com>
11402
11403         PR 6658
11404         * object.h (Merged_symbol_value::value): Do our best to handle a
11405         negative addend.
11406
11407         PR 6647
11408         * script.cc (Version_script_info::get_versions): Don't add empty
11409         version tag to return value.
11410         (Version_script_info::get_symbol_version_helper): Change return
11411         type to bool.  Add pversion parameter.  Change all callers.
11412         (script_register_vers_node): Don't require a non-NULL tag.
11413         * script.h (class Version_script_info): Update declarations.
11414         (Version_script_info::get_symbol_version): Change return type to
11415         bool.  Add version parameter.  Change all callers.
11416         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11417         handling.  Handle an empty version from a version script.
11418         (Symbol_table::define_special_symbol): Likewise.
11419         * testsuite/ver_test_10.script: New file.
11420         * testsuite/ver_test_10.sh: New file.
11421         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11422         (check_DATA): Add ver_test_10.syms.
11423         (ver_test_10.syms, ver_test_10.so): New target.
11424         * testsuite/Makefile.in: Rebuild.
11425
11426 2008-07-23  Simon Baldwin  <simonb@google.com>
11427
11428         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11429         to zero for undefined symbols from dynamic libraries.
11430
11431 2008-07-23  Ian Lance Taylor  <iant@google.com>
11432
11433         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11434         Change all callers.
11435         * symtab.h (class Symbol_table): Update declaration.
11436         * testsuite/ver_test_9.cc: New file.
11437         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11438         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11439         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11440         (ver_test_9.so, ver_test_9.o): New targets.
11441         * testsuite/Makefile.in: Rebuild.
11442
11443 2008-07-22  Ian Lance Taylor  <iant@google.com>
11444
11445         * options.h (class General_options): Define --check-sections.
11446         * layout.cc (Layout::set_segment_offsets): Handle
11447         --check-sections.
11448
11449         * options.h (class General_options): Define -n/--nmagic and
11450         -N/--omagic.
11451         * options.cc (General_options::finalize): For -n/--nmagic or
11452         -N/--omagic, set -static.
11453         * layout.cc (Layout::attach_allocated_section_to_segment): If
11454         -N/--omagic, don't put read-only and read-write sections in
11455         different segments.
11456         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11457         finding a read-only segment.
11458         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11459         don't set the minimum segment alignment to the common page size,
11460         and don't set the file offset to the address modulo the page size.
11461         * script-sections.cc (Script_sections::create_segments): If
11462         -n/--omagic, don't put read-only and read-write sections in
11463         different segments.
11464
11465         * cref.cc: New file.
11466         * cref.h: New file.
11467         * options.h (class General_options): Add --print-symbol-counts.
11468         * main.cc (main): Issue defined symbol report if requested.
11469         * archive.cc (Archive::interpret_header): Make into a const member
11470         function.
11471         (Archive::add_symbols): Call Input_objects::archive_start and
11472         archive_stop.
11473         (Archive::const_iterator): Define new class.
11474         (Archive::begin, Archive::end): New functions.
11475         (Archive::include_all_members): Rewrite to use iterator.
11476         (Archive::count_members): New function.
11477         * archive.h (class Archive): Update declarations.
11478         (Archive::filename): New function.
11479         * object.cc: Include "cref.h".
11480         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11481         (Sized_relobj::do_get_global_symbol_counts): New function.
11482         (Input_objects::add_object): Add object to cross-referencer.
11483         (Input_objects::archive_start): New function.
11484         (Input_objects::archive_stop): New function.
11485         (Input_objects::print_symbol_counts): New function.
11486         * object.h: Declare Cref and Archive.
11487         (Object::get_global_symbol_counts): New function.
11488         (Object::do_get_global_symbol_counts): New pure virtual function.
11489         (class Sized_relobj): Add defined_count_ field.  Update
11490         declarations.
11491         (class Input_objects): Add cref_ field.  Update constructor.
11492         Update declarations.
11493         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11494         defined_count_.
11495         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11496         symbol counts.
11497         (Sized_dynobj::do_get_global_symbol_counts): New function.
11498         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11499         defined_count_.  Update declarations.  Define Symbols typedef.
11500         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11501         parameter.  Change all callers.
11502         (Symbol_table::add_from_dynobj): Add sympointers and defined
11503         parameters.  Change all callers.
11504         * symtab.h (class Symbol_table): Update declarations.
11505         * Makefile.am (CCFILES): Add cref.cc.
11506         (HFILES): Add cref.h.
11507         * Makefile.in: Rebuild.
11508
11509 2008-07-22  Simon Baldwin  <simonb@google.com>
11510
11511         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11512         to zero when writing undefined symbols.
11513
11514 2008-07-22  Ian Lance Taylor  <iant@google.com>
11515
11516         * output.cc (Output_section::add_input_section): Don't try to
11517         merge empty merge sections.
11518
11519 2008-07-21  Craig Silverstein  <csilvers@google.com>
11520
11521         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11522         Include symbol version in error message.
11523
11524 2008-07-20  Chris Demetriou  <cgd@google.com>
11525
11526         * configure.ac (gold_cv_c_random_seed): New configured variable.
11527         (RANDOM_SEED_CFLAGS): New substituted variable.
11528         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11529         * configure: Rebuild.
11530         * Makefile.in: Likewise.
11531         * testsuite/Makefile.in: Likewise.
11532
11533 2008-07-18  Ian Lance Taylor  <iant@google.com>
11534
11535         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11536         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11537         * testsuite/ver_test_main.cc (main): Call t4.
11538         (t4, t4_2a): Define.
11539         * testsuite/ver_test_2.cc (t4_2): Define.
11540         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11541         * testsuite/ver_test_4.cc (t4_2a): Define.
11542         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11543         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11544
11545 2008-07-17  Ian Lance Taylor  <iant@google.com>
11546
11547         * dynobj.cc (Versions::add_def): If we give an error about a
11548         missing version, go ahead and create the version anyhow.
11549
11550 2008-07-10  Ian Lance Taylor  <iant@google.com>
11551
11552         Handle output sections with more than 0x7fffffff bytes.
11553         * object.h (class Relobj): Change map_to_output_ to
11554         output_sections_, and just keep a section pointer.  Change all
11555         uses.  Move comdat group support to Sized_relobj.
11556         (Relobj::is_section_specially_mapped): Remove.
11557         (Relobj::output_section): Remove poff parameter.  Change all
11558         callers.
11559         (Relobj::output_section_offset): New function.
11560         (Relobj::set_section_offset): Rewrite.
11561         (Relobj::map_to_output): Remove.
11562         (Relobj::output_sections): New function.
11563         (Relobj::do_output_section_offset): New pure virtual function.
11564         (Relobj::do_set_section_offset): Likewise.
11565         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11566         group support from Relobj.  Update declarations.
11567         (Sized_relobj::get_output_section_offset): New function.
11568         (Sized_relobj::do_output_section_offset): New function.
11569         (Sized_relobj::do_set_section_offset): New function.
11570         * object.cc (Relobj::output_section_address): Remove.
11571         (Sized_relobj::Sized_relobj): Initialize new fields.
11572         (Sized_relobj::include_section_group): Cast find_kept_object to
11573         Sized_relobj.
11574         (Sized_relobj::include_linkonce_section): Likewise.
11575         (Sized_relobj::do_layout): Use separate arrays for output section
11576         and output offset.
11577         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11578         output_sections.
11579         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11580         output_sections and section_offsets.
11581         (Sized_relobj::write_local_symbols): Likewise.
11582         (map_to_kept_section): Compute output address directly.
11583         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11584         output_sections and section_offsets.
11585         (Sized_relobj::write_sections): Likewise.
11586         (Sized_relobj::relocate_sections): Likewise.
11587         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11588         * output.h (class Output_reloc): Update declarations.  Change
11589         u2_.relobj to Sized_relobj*.
11590         (class Output_data_reloc): Change add functions to use
11591         Sized_relobj*.
11592         * output.cc (Output_reloc::Output_reloc): Change relobj to
11593         Sized_relobj*.
11594         (Output_reloc::local_section_offset): Change return type to
11595         Elf_Addr.  Use get_output_section_offset.
11596         (Output_reloc::get_address): Likewise.
11597         (Output_section::is_input_address_mapped): Don't call
11598         is_section_specially_mapped.
11599         (Output_section::output_offset): Likewise.
11600         (Output_section::output_address): Likewise.
11601         (Output_section::starting_output_address): Likewise.
11602         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11603         parameter to Sized_relobj*.
11604         (Copy_relocs::need_copy_reloc): Likewise.
11605         (Copy_relocs::save): Likewise.
11606         * copy-relocs.h (class Copy_relocs): Update declarations.
11607         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11608         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11609         * target-reloc.h (relocate_for_relocatable): Change
11610         offset_in_output_section type to Elf_Addr.  Change code that uses
11611         it as well.
11612         * layout.cc (Layout::layout): Always set *off.
11613         * mapfile.cc (Mapfile::print_input_section): Use
11614         output_section_offset.
11615         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11616         Sized_relobj*.
11617         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11618         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11619         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11620
11621 2008-07-03  Ian Lance Taylor  <iant@google.com>
11622
11623         * layout.cc (Layout::include_section): Do not discard unrecognized
11624         SHT_STRTAB sections.
11625
11626 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11627
11628         * script.cc (Lex::can_continue_name): Make '?' allowable in
11629         version-script names.
11630         * testsuite/version_script.map: Change glob pattern to use '?'
11631
11632 2008-06-30  Manish Singh  <yosh@gimp.org>
11633
11634         PR 6585
11635         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11636         Correct typo.
11637
11638 2008-06-30  Ian Lance Taylor  <iant@google.com>
11639
11640         PR 6660
11641         PR 6682
11642         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11643         versions]: Don't try to read the value in the contents, since we
11644         don't use it.  Use the template endianness when writing.
11645
11646 2008-06-25  Cary Coutant  <ccoutant@google.com>
11647
11648         * fileread.cc (File_read::make_view): Assert on zero-length view.
11649         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11650         symbol table when there are no symbols to read.
11651
11652 2008-06-23  Craig Silverstein  <csilvers@google.com>
11653
11654         * version.cc (version_string): Bump to 1.7
11655
11656 2008-06-18  Craig Silverstein  <csilvers@google.com>
11657
11658         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11659         constant 0xFFFF to type Valtype.
11660         (Powerpc_relocate_functions::rel16_ha): Likewise.
11661
11662 2008-06-17  Ian Lance Taylor  <iant@google.com>
11663
11664         * output.h (Output_section::Input_section): Initialize p2align_ to
11665         zero for Output_section_data constructors.
11666         (Output_section::Input_section::addralign): If not an input
11667         section, return the alignment of the Output_section_data.
11668         * testsuite/copy_test.cc: New file.
11669         * testsuite/copy_test_1.cc: New file.
11670         * testsuite/copy_test_2.cc: New file.
11671         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11672         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11673         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11674         (copy_test_1_pic.o, copy_test_1.so): New targets.
11675         (copy_test_2_pic.o, copy_test_2.so): New targets.
11676         * testsuite/Makefile.in: Rebuild.
11677
11678         * script-sections.cc (Script_sections::place_orphan): Initialize
11679         local variable exact.
11680
11681 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11682
11683         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11684
11685 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11686             David S. Miller  <davem@davemloft.net>
11687
11688         * powerpc.cc: New file.
11689         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11690         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11691         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11692         * Makefile.in: Rebuild.
11693
11694 2008-06-09  Ian Lance Taylor  <iant@google.com>
11695
11696         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11697         <exception>.
11698         (throwing, orig_terminate): New static variables.
11699         (terminate_handler): New static function.
11700         (t2): Set terminate handler.
11701
11702 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11703
11704         PR 6584
11705         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11706         alignment.
11707
11708 2008-05-30  Cary Coutant  <ccoutant@google.com>
11709
11710         * archive.cc (Archive::include_all_members) Correct to step
11711         over symbol table and extended name table in thin archives.
11712
11713 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11714
11715         PR 6407
11716         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11717         calculation.
11718
11719 2008-05-28  Caleb Howe  <cshowe@google.com>
11720
11721         * reduced_debug_output.cc: New file.
11722         * reduced_debug_output.h: New file.
11723         * options.h (class General_options): Add --strip-debug-non-line.
11724         * options.cc (General_options::finalize): Add strip_debug_non_line
11725         to the strip heirarchy.
11726         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11727         fields.
11728         * layout.cc: Include "reduced_debug_output.h".
11729         (Layout::Layout): Initialize new fields.
11730         (line_only_debug_sections): New static array.
11731         (is_lines_only_debug_sections): New static inline function.
11732         (Layout::include_section): Handle --strip-debug-non-line.
11733         (Layout::make_output_section): If --strip-debug-non-line, build
11734         new output sections for .debug_abbrev and .debug_info.
11735         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11736         gold.  Warn about possible overflow.
11737         (read_signed_LEB_128): Likewise.
11738         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11739         (read_signed_LEB_128): Declare.
11740         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11741         (HFILES): Add reduced_debug_output.h.
11742         * Makefile.in: Rebuild.
11743
11744 2008-05-21  Ian Lance Taylor  <iant@google.com>
11745
11746         * mapfile.cc: New file.
11747         * mapfile.h: New file.
11748         * options.h (class General_options): Add -M/--print-map and -Map.
11749         * options.cc (General_options::finalize): Make -M equivalent to
11750         -Map -.
11751         * main.cc: Include <cstdio> and "mapfile.h".
11752         (main): Open mapfile if requested.
11753         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11754         constructor.  Change caller.
11755         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11756         (queue_middle_tasks): Likewise.
11757         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11758         declarations.
11759         * archive.cc: Include "mapfile.h".
11760         (Archive::add_symbols): Add mapfile parameter.  Change all
11761         callers.  Pass mapfile, symbol, and reason to include_member.
11762         (Archive::include_all_members): Add mapfile parameter.  Change all
11763         callers.
11764         (Archive::include_member): Add mapfile, sym, and why parameters.
11765         Change all callers.  Report inclusion to map file.
11766         * archive.h: Include "fileread.h".
11767         (class Archive): Update declarations.
11768         (Archive::file): New const method.
11769         (class Add_archive_symbols): Add mapfile_ field.  Update
11770         constructor.  Change all callers.
11771         * readsyms.h (class Read_symbols): Likewise.
11772         (class Finish_group): Likewise.
11773         (class Read_script): Likewise.
11774         * common.cc: Include "mapfile.h".
11775         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11776         all callers.
11777         (Symbol_table::do_allocate_commons): Likewise.
11778         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11779         symbol allocation to mapfile.
11780         * common.h (class Allocate_commons_task): Add mapfile_ field.
11781         Update constructor.  Change all callers.
11782         * symtab.h (class Symbol_table): Update declarations.
11783         * layout.cc: Include "mapfile.h".
11784         (Layout_task_runner::run): Print information to mapfile.
11785         (Layout::create_gold_note): Change Output_data_fixed_space to
11786         Output_data_zero_fill.
11787         (Layout::create_build_id): Likewise.
11788         (Layout::print_to_mapfile): New function.
11789         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11790         constructor.  Change caller.
11791         (class Layout): Declare print_to_mapfile.
11792         * output.cc (Output_section::Input_section::print_to_mapfile): New
11793         function.
11794         (Output_section::add_input_section): If producing a map, always
11795         add to input_sections_ list.
11796         (Output_section::do_print_to_mapfile): New function.
11797         (Output_segment::print_sections_to_mapfile): New function.
11798         (Output_segment::print_section_list_to_mapfile): New function.
11799         * output.h: Include "mapfile.h".
11800         (Output_data::print_to_mapfile): New function.
11801         (Output_data::do_print_to_mapfile): New virtual function.
11802         (Output_segment_headers::do_print_to_mapfile): New function.
11803         (Output_file_header::do_print_to_mapfile): New function.
11804         (Output_data_const::do_print_to_mapfile): New function.
11805         (class Output_data_const_buffer): Add map_name_ field.  Update
11806         constructor.  Change all callers.  Add do_print_to_mapfile
11807         function.
11808         (class Output_data_fixed_space): Likewise.
11809         (class Output_data_space): Likewise.
11810         (class Output_data_zero_fill): New class.
11811         (Output_data_strtab::do_print_to_mapfile): New function.
11812         (Output_data_reloc_base::do_print_to_mapfile): New function.
11813         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11814         (Output_data_group::do_print_to_mapfile): New function.
11815         (Output_data_got::do_print_to_mapfile): New function.
11816         (Output_data_dynamic::do_print_to_mapfile): New function.
11817         (Output_symtab_xindex::do_print_to_mapfile): New function.
11818         (class Output_section): Declare do_print_to_mapflie.  Declare
11819         print_to_mapfile in Input_section.
11820         (class Output_segment): Declare new functions.
11821         * object.h (Sized_relobj::symbol_count): New function.
11822         * script-sections.cc
11823         (Output_section_element_dot_assignment::set_section_addresses):
11824         Change Output_data_fixed_space to Output_data_zero_fill.
11825         (Output_data_expression::do_print_to_mapfile): New function.
11826         * script.cc (read_input_script): Add mapfile parameter.  Change
11827         all callers.
11828         * script.h (read_input_script): Update declaration.
11829         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11830         (Eh_frame::do_print_to_mapfile): New function.
11831         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11832         (Output_merge_string::do_print_to_mapfile): New function.
11833         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11834         function.
11835         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11836         function.
11837         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11838         function.
11839         * Makefile.am (CCFILES): Add mapfile.cc.
11840         (HFILES): Add mapfile.h.
11841         * Makefile.in: Rebuild.
11842
11843 2008-05-19  Ian Lance Taylor  <iant@google.com>
11844
11845         * options.h (class General_options): Add -z relro.
11846         * layout.cc (Layout::Layout): Initialize relro_segment_.
11847         (Layout::add_output_section_data): Return the output section.
11848         (Layout::make_output_section): Rcognize relro sections and mark
11849         them appropriately.
11850         (Layout::attach_allocated_section_to_segment): Put relro sections
11851         in a PT_GNU_RELRO segment.
11852         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11853         section as relro.
11854         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11855         PT_TLS segments.
11856         (Layout::linkonce_mapping): Map d.rel.ro.local to
11857         .data.rel.ro.local.
11858         (Layout::output_section_name): Us .data.rel.ro.local for any
11859         section which begins with that.
11860         * layout.h (class Layout): Update add_output_section_data
11861         declaration.  Add relro_segment_ field.
11862         * output.cc (Output_section::Output_section): Initialize is_relro_
11863         and is_relro_local_ fields.
11864         (Output_segment::add_output_section): Group relro sections.
11865         (Output_segment::is_first_section_relro): New function.
11866         (Output_segment::maximum_alignment): If there is a relro section,
11867         align the segment to the common page size.
11868         (Output_segment::set_section_addresses): Track whether we are
11869         looking at relro sections.  If the last section is a relro
11870         section, align to the common page size.
11871         (Output_segment::set_section_list_addresses): Add in_relro
11872         parameter.  Change all callers.  Align to the page size when
11873         moving from relro to non-relro section.
11874         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11875         segment.
11876         * output.h (class Output_section): Add is_relro_ and
11877         is_relro_local_ fields.
11878         (Output_section::is_relro): New function.
11879         (Output_section::set_is_relro): New function.
11880         (Output_section::is_relro_local): New function.
11881         (Output_section::set_is_relro_local): New function.
11882         (class Output_segment): Update declarations.
11883         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11884         * sparc.cc (Target_sparc::got_section): Likewise.
11885         * x86_64.cc (Target_x86_64::got_section): Likewise.
11886         * testsuite/relro_test_main.cc: New file.
11887         * testsuite/relro_test.cc: New file.
11888         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11889         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11890         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11891         (relro_test.so, relro_test_pic.o): New targets.
11892         * testsuite/Makefile.in: Rebuild.
11893
11894 2008-05-16  Ian Lance Taylor  <iant@google.com>
11895
11896         * output.cc (Output_segment::add_output_section): Remove front
11897         parameter.
11898         * output.h (class Output_segment): Remove
11899         add_initial_output_section and overloaded add_output_section.
11900         Update declaration of remaining add_output_section.
11901         * layout.cc (Layout::create_interp): Call add_output_section
11902         rather than add_initial_output_section.
11903         (Layout::finish_dynamic_section): Likewise.
11904
11905         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11906         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11907         know the dynamic type.
11908         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11909         field.  Initialize it in constructor.
11910         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11911         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11912         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11913         reloc.
11914
11915         * output.cc (Output_reloc::get_address): Change return type to
11916         Elf_Addr.
11917         * output.h (class Output_reloc): Update get_address declaration.
11918         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11919         for section addresses.
11920
11921 2008-05-09  Ian Lance Taylor  <iant@google.com>
11922
11923         PR 6493
11924         * gold.cc (gold_nomem): Use return value of write.
11925
11926 2008-05-08  Ian Lance Taylor  <iant@google.com>
11927
11928         * symtab.c (Symbol::init_base_output_data): Add version
11929         parameter.  Change all callers.
11930         (Symbol::init_base_output_segment): Likewise.
11931         (Symbol::init_base_constant): Likewise.
11932         (Symbol::init_base_undefined): Likewise.
11933         (Sized_symbol::init_output_data): Likewise.
11934         (Sized_symbol::init_output_segment): Likewise.
11935         (Sized_symbol::init_constant): Likewise.
11936         (Sized_symbol::init_undefined): Likewise.
11937         (Symbol_table::do_define_in_output_data): If the new symbol has a
11938         version, mark it as the default.
11939         (Symbol_table::do_define_in_output_segment): Likewise.
11940         (Symbol_table::do_define_as_constant): Likewise.
11941         * symtab.h (class Symbol): Update declarations.
11942         (class Sized_symbol): Likewise.
11943         * resolve.cc (Symbol::override_version): New function.
11944         (Symbol::override_base): Call override_version.
11945         (Symbol::override_base_with_special): Likewise.
11946         * testsuite/ver_script_8.script: New file.
11947         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11948         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11949         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11950         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11951
11952 2008-05-06  Ian Lance Taylor  <iant@google.com>
11953
11954         PR 6049
11955         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11956         functions.
11957         (class General_options): Remove existing --undefined, and add
11958         --no-undefined instead.  Add new --undefined as synonym for -u.
11959         * archive.cc (Archive::add_symbols): Check whether symbol was
11960         named with -u.
11961         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11962         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11963         all uses.  Add IS_UNDEFINED.  Update declarations to split
11964         different versions of init_base.  Declare init_base_undefined.
11965         (Symbol::is_defined): Handle IS_UNDEFINED.
11966         (Symbol::is_undefined): Likewise.
11967         (Symbol::is_weak_undefined): Call is_undefined.
11968         (Symbol::is_absolute): Handle IS_CONSTANT.
11969         (class Sized_symbol): Update declarations to split different
11970         versions of init.  Declare init_undefined.
11971         (class Symbol_table): Declare new functions.
11972         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11973         Change all callers.
11974         (Symbol::init_base_output_data): Likewise.
11975         (Symbol::init_base_output_segment): Likewise.
11976         (Symbol::init_base_constant): Likewise.
11977         (Symbol::init_base_undefined): New function.
11978         (Sized_symbol::init_object): Rename from init.  Change all
11979         callers.
11980         (Sized_symbol::init_output_data): Likewise.
11981         (Sized_symbol::init_output_segment): Likewise.
11982         (Sized_symbol::init_constant): Likewise.
11983         (Sized_symbol::init_undefined): New function.
11984         (Symbol_table::add_undefined_symbols_from_command_line): New
11985         function.
11986         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11987         function.
11988         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11989         (Symbol::output_section): Likewise.
11990         (Symbol::set_output_section): Likewise.
11991         (Symbol_table::sized_finalize_symbol): Likewise.
11992         (Symbol_table::sized_write_globals): Likewise.
11993         * resolve.cc (Symbol_table::should_override): Likewise.
11994         (Symbol::override_base_with_special): Likewise.
11995
11996         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11997         symbol, change it to have default visibility.
11998         * testsuite/protected_1.cc: New file.
11999         * testsuite/protected_2.cc: New file.
12000         * testsuite/protected_3.cc: New file.
12001         * testsuite/protected_main_1.cc: New file.
12002         * testsuite/protected_main_2.cc: New file.
12003         * testsuite/protected_main_3.cc: New file.
12004         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12005         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12006         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12007         (protected_1.so): New target.
12008         (protected_1_pic.o, protected_2_pic.o): New targets.
12009         (protected_3_pic.o): New target.
12010         (check_PROGRAMS): Add protected_2.
12011         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12012         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12013         * testsuite/Makefile.in: Rebuild.
12014
12015         * options.h (DEFINE_var): Add set_user_set_##varname__.
12016         (DEFINE_bool_alias): New macro.
12017         (class General_options): Define -Bstatic using DEFINE_bool_alias
12018         rather than DEFINE_special.  Add --undefined as an alias for -z
12019         defs.
12020         * options.cc (General_options::parse_Bstatic): Remove.
12021
12022         * options.h (class General_options): Add --fatal-warnings.
12023         * main.cc (main): Implement --fatal-warnings.
12024         * errors.h (Errors::warning_count): New function.
12025
12026         * options.h (class General_options): Add -Bsymbolic-functions.
12027         * symtab.h (Symbol::is_preemptible): Check for
12028         -Bsymbolic-functions.
12029
12030 2008-05-05  Ian Lance Taylor  <iant@google.com>
12031
12032         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12033         as noVARNAME rather than no-VARNAME.
12034         (class General_options): Add option -z combreloc.
12035         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12036         get_address.
12037         (Output_reloc::sort_before) [SHT_REL]: New function.
12038         (Output_reloc::sort_before) [SHT_RELA]: New function.
12039         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12040         Sort_relocs_comparison.
12041         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12042         parameter.  Change all callers.
12043         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12044         sort_relocs parameter.  Change all callers.
12045         * output.cc (Output_reloc::get_address): New function, broken out
12046         of write_rel.
12047         (Output_reloc::write_rel): Call it.
12048         (Output_reloc::compare): New function.
12049         (Output_data_reloc_base::do_write): Optionally sort relocs.
12050
12051         * configure.ac: If targ_extra_obj is set, link it in.
12052         * configure.tgt: Initialize all variables.
12053         (x86_64*): Set targ_extra_obj and targ_extra_size.
12054         * configure: Rebuild.
12055
12056         * object.cc (Sized_relobj::include_section_group): Adjust section
12057         indexes read from group data.  Build vector to pass to
12058         layout_group.
12059         * layout.cc (Layout::layout_group): Add flags and shndxes
12060         parameters.  Remove contents parameter.  Change caller.  Update
12061         explicit instantiations.
12062         * layout.h (class Layout): Update layout_group declaration.
12063         * output.cc (Output_data_group::Output_data_group): Add flags and
12064         input_shndxes parameters.  Remove contents parameter.  Change
12065         caller.
12066         (Output_data_group::do_write): Change input_sections_ to
12067         input_shndxes_.
12068         * output.h (class Output_data_group): Update constructor
12069         declaration.  Rename input_sections_ to input_shndxes_.
12070         * testsuite/many_sections_test.cc: Add template.
12071
12072 2008-04-30  Cary Coutant  <ccoutant@google.com>
12073
12074         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12075
12076         * layout.cc (Layout::include_section): Refactored check for debug
12077         info section.
12078         (Layout::add_comdat): Add new parameters.  Change type
12079         of signature parameter.  Add object and shndx to signatures table.
12080         (Layout::find_kept_object): New function.
12081         * layout.h: Include <cstring>.
12082         (Layout::is_debug_info_section): New function.
12083         (Layout::add_comdat): Add new parameters.
12084         (Layout::find_kept_object): New function.
12085         (Layout::Kept_section): New struct.
12086         (Layout::Signatures): Change type of map range.
12087         * object.cc (Relobj::output_section_address): New function.
12088         (Sized_relobj::include_section_group): Add new parameters.  Change
12089         calls to Layout::add_comdat.  Change to build table of kept comdat
12090         groups and table mapping discarded sections to kept sections.
12091         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12092         (Sized_relobj::do_layout): Change calls to include_section_group and
12093         include_linkonce_section.
12094         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12095         value to zero when section is discarded.
12096         (Sized_relobj::map_to_kept_section): New function.
12097         * object.h (Relobj::output_section_address): New function.
12098         (Relobj::Comdat_group): New type.
12099         (Relobj::find_comdat_group): New function.
12100         (Relobj::Comdat_group_table): New type.
12101         (Relobj::Kept_comdat_section): New type.
12102         (Relobj::Kept_comdat_section_table): New type.
12103         (Relobj::add_comdat_group): New function.
12104         (Relobj::set_kept_comdat_section): New function.
12105         (Relobj::get_kept_comdat_section): New function.
12106         (Relobj::comdat_groups_): New field.
12107         (Relobj::kept_comdat_sections_): New field.
12108         (Symbol_value::input_value): Update comment.
12109         (Sized_relobj::map_to_kept_section) New function.
12110         (Sized_relobj::include_linkonce_section): Add new parameter.
12111         * target-reloc.h (Comdat_behavior): New type.
12112         (get_comdat_behavior): New function.
12113         (relocate_section): Add code to map a discarded section to the
12114         corresponding kept section when applying a relocation.
12115
12116 2008-04-30  Craig Silverstein  <csilvers@google.com>
12117
12118         * dwarf_reader.cc (next_generation_count): New static var.
12119         (Addr2line_cache_entry): New struct.
12120         (addr2line_cache): New static var.
12121         (Dwarf_line_info::one_addr2line): Added caching.
12122         (Dwarf_line_info::clear_addr2line_cache): New function.
12123         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12124         cache-size parameter.
12125         (Dwarf_line_info::one_addr2line_cache): New function.
12126         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12127         new cache-size argument to one_addr2line(), and clear cache.
12128
12129 2008-04-28  Cary Coutant  <ccoutant@google.com>
12130
12131         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12132         R_386_PC8 relocations.
12133
12134 2008-04-23  Ian Lance Taylor  <iant@google.com>
12135
12136         * object.cc (Sized_relobj::include_section_group): Check for
12137         invalid section group.
12138
12139         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12140         header size.
12141
12142         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12143         than read for file header.
12144         * archive.cc (Archive::include_member): Likewise.
12145
12146 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12147
12148         * aclocal.m4: Regenerate.
12149         * configure: Regenerate.
12150
12151 2008-04-19  Ian Lance Taylor  <iant@google.com>
12152
12153         * version.cc (version_string): Bump to 1.6.
12154
12155         * testsuite/Makefile.am (many_sections_r_test): New target.
12156         (many_sections_r_test_SOURCES): Remove.
12157         (many_sections_r_test_DEPENDENCIES): Remove.
12158         (many_sections_r_test_LDFLAGS): Remove.
12159         (many_sections_r_test_LDADD): Remove.
12160
12161         * object.cc (Sized_relobj::do_add_symbols): Always pass
12162         local_symbol_count_ to add_from_relobj.
12163
12164         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12165         every thousand variables.
12166         * testsuite/Makefile.in: Rebuild.
12167
12168         * object.cc (Xindex::initialize_symtab_xindex): New function.
12169         (Xindex::read_symtab_xindex): New function.
12170         (Xindex::sym_xindex_to_shndx): New function.
12171         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12172         available.
12173         (Sized_relobj::do_initialize_xindex): New function.
12174         (Sized_relobj::do_read_symbols): Adjust section links.
12175         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12176         parameter.  Change all callers.
12177         (Sized_relobj::include_section_group): Adjust section links and
12178         symbol section indexes.
12179         (Sized_relobj::do_layout): Adjust section links.
12180         (Sized_relobj::do_count_local_symbols): Adjust section links and
12181         symbol section indexes.
12182         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12183         ordinary and special symbols.
12184         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12185         dynsym_xindex parameters.  Change all callers.  Adjust section
12186         links.  Use SHN_XINDEX when needed.
12187         (Sized_relobj::get_symbol_location_info): Adjust section links.
12188         Don't get fooled by special symbols.
12189         * object.h (class Xindex): Define.
12190         (class Object): Add xindex_ parameter.  Declare virtual functoin
12191         do_initialize_xindex.
12192         (Object::adjust_sym_shndx): New function.
12193         (Object::set_xindex): New protected function.
12194         (class Symbol_value): Add is_ordinary_shndx_ field.
12195         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12196         (Symbol_value::value): Assert ordinary section.
12197         (Symbol_value::initialize_input_to_output_map): Likewise.
12198         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12199         Change all callers.
12200         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12201         all callers.
12202         (class Sized_relobj): Update declarations.
12203         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12204         parameter.  Change all callers.
12205         (Sized_relobj::adjust_shndx): New function.
12206         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12207         field.
12208         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12209         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12210         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12211         (Sized_dynobj::read_dynsym_section): Adjust section links.
12212         (Sized_dynobj::read_dynamic): Likewise.
12213         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12214         section links.
12215         (Sized_dynobj::do_initialize_xindex): New function.
12216         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12217         do_initialize_xindex.
12218         (Sized_dynobj::adjust_shndx): New function.
12219         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12220         dynsym_xindex_ fields.
12221         (Layout::finalize): Add a call to set_section_indexes before
12222         creating the symtab sections.
12223         (Layout::set_section_indexes): Don't do anything if the section
12224         already has a section index.
12225         (Layout::create_symtab_sections): Add shnum parameter.  Change
12226         caller.  Create .symtab_shndx section if needed.
12227         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12228         caller.
12229         (Layout::allocated_output_section_count): New function.
12230         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12231         needed.
12232         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12233         fields.  Update declarations.
12234         (Layout::symtab_xindex): New function.
12235         (Layout::dynsym_xindex): New function.
12236         (class Write_symbols_task): Add layout_ field.
12237         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12238         Change caller.
12239         * output.cc (Output_section_headers::Output_section_headers): Add
12240         shstrtab_section parameter.  Change all callers.
12241         (Output_section_headers::do_sized_write): Store overflow values
12242         for section count and section string table section index in
12243         section header zero.
12244         (Output_file_header::do_sized_write): Check for overflow of
12245         section count and section string table section index.
12246         (Output_symtab_xindex::do_write): New function.
12247         (Output_symtab_xindex::endian_do_write): New function.
12248         * output.h (class Output_section_headers): Add shstrtab_section_.
12249         Update declarations.
12250         (class Output_symtab_xindex): Define.
12251         (Output_section::has_out_shndx): New function.
12252         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12253         field.
12254         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12255         Change all callers.
12256         (Sized_symbol::init): Likewise.
12257         (Symbol::output_section): Check for ordinary symbol.
12258         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12259         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12260         callers.
12261         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12262         Change all callers.  Simplify handling of symbols from sections
12263         not included in the link.
12264         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12265         distinction.
12266         (Weak_alias_sorter::operator()): Assert that symbols are
12267         ordinary.
12268         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12269         distinction.
12270         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12271         parameters.  Change all callers.
12272         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12273         symbol distinction.  Use SHN_XINDEX when needed.
12274         (Symbol_table::write_section_symbol): Add symtab_xindex
12275         parameter.  Change all callers.
12276         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12277         SHN_XINDEX when needed.
12278         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12279         declarations.
12280         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12281         (Symbol::is_defined): Check is_ordinary.
12282         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12283         (Symbol::is_absolute, Symbol::is_common): Likewise.
12284         (class Sized_symbol): Update declarations.
12285         (class Symbol_table): Update declarations.
12286         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12287         parameters.  Change all callers.
12288         (Sized_symbol::override): Likewise.
12289         (Symbol_table::override): Likewise.
12290         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12291         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12292         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12293         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12294         to be in an ordinary section.
12295         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12296         object and is_ordinary parameters.  Change all callers.
12297         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12298         Change all callers.  Don't add undefined or non-ordinary symbols
12299         to reloc_map_.
12300         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12301         Change all callers.
12302         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12303         declarations.
12304         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12305         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12306         (Sized_relobj::relocate_sections): Likewise.
12307         * target-reloc.h (scan_relocs): Adjust section symbol index.
12308         (scan_relocatable_relocs): Likewise.
12309         * i386.cc (Scan::local): Check for ordinary symbols.
12310         * sparc.cc (Scan::local): Likewise.
12311         * x86_64.cc (Scan::local): Likewise.
12312         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12313         to symbol_section_and_value.
12314         * testsuite/many_sections_test.cc: New file.
12315         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12316         (check_PROGRAMS): Add many_sections_test.
12317         (many_sections_test_SOURCES): Define.
12318         (many_sections_test_DEPENDENCIES): Define.
12319         (many_sections_test_LDFLAGS): Define.
12320         (BUILT_SOURCES): Add many_sections_define.h.
12321         (many_sections_define.h): New target.
12322         (BUILT_SOURCES): Add many_sections_check.h.
12323         (many_sections_check.h): New target.
12324         (check_PROGRAMS): Add many_sections_r_test.
12325         (many_sections_r_test_SOURCES): Define.
12326         (many_sections_r_test_DEPENDENCIES): Define.
12327         (many_sections_r_test_LDFLAGS): Define.
12328         (many_sections_r_test_LDADD): Define.
12329         (many_sections_r_test.o): New target.
12330         * testsuite/Makefile.in: Rebuild.
12331
12332 2008-04-17  Cary Coutant  <ccoutant@google.com>
12333
12334         * errors.cc (Errors::info): New function.
12335         (gold_info): New function.
12336         * errors.h (Errors::info): New function.
12337         * gold.h (gold_info): New function.
12338         * object.cc (Input_objects::add_object): Print trace output.
12339         * options.cc (options::parse_set): New function.
12340         (General_options::parse_wrap): Deleted.
12341         (General_options::General_options): Deleted initializer.
12342         * options.h (options::String_set): New typedef.
12343         (options::parse_set): New function.
12344         (DEFINE_set): New macro.
12345         (General_options::wrap): Changed to use DEFINE_set. Changed
12346         callers of any_wrap_symbols and is_wrap_symbol.
12347         (General_options::trace, General_options::trace_symbol):
12348         New options.
12349         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12350         (General_options::wrap_symbols_): Deleted.
12351         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12352
12353 2008-04-17  David S. Miller  <davem@davemloft.net>
12354
12355         * options.cc (General_options::parse_V): New function.
12356         * options.h: Add entries for -V and -Qy.
12357
12358 2008-04-17  Ian Lance Taylor  <iant@google.com>
12359
12360         * common.cc (Symbol_table::allocate_commons): Remove options
12361         parameter.  Change caller.
12362         (Symbol_table::do_allocate_commons): Remove options parameter.
12363         Change caller.  Just call do_allocate_commons_list twice.
12364         (Symbol_table::do_allocate_commons_list): New function, broken out
12365         of do_allocate_commons.
12366         * common.h (class Allocate_commons_task): Remove options_ field.
12367         Update constructor.
12368         * symtab.cc (Symbol_table::Symbol_table): Initialize
12369         tls_commons_.
12370         (Symbol_table::add_from_object): Put TLS common symbols on
12371         tls_commons_ list.
12372         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12373         which are IN_OUTPUT_DATA.
12374         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12375         allocate_commons and do_allocate_commons declarations.  Declare
12376         do_allocate_commons_list.
12377         * gold.cc (queue_middle_tasks): Update creation of
12378         Allocate_commons_task to not pass options.
12379         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12380         (TLS_TEST_C_FLAGS): New variable.
12381         (tls_test_c_pic.o): New target.
12382         (tls_test_shared.so): Link in tls_test_c_pic.o.
12383         (tls_test_c_pic_ie.o): New target.
12384         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12385         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12386         (tls_test_c.o): New target.
12387         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12388         (tls_pic_test_LDADD): Likewise.
12389         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12390         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12391         (tls_test_c_gnu2.o): New target.
12392         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12393         tls_test_c_gnu2.o.
12394         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12395         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12396         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12397         * testsuite/tls_test.cc: Include "config.h".
12398         (t_last): Call t11_last.
12399         * testsuite/tls_test.h (t11, t11_last): Declare.
12400         * testsuite/tls_test_c.c: New file.
12401         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12402         * configure.ac: Check for OpenMP support.
12403         * configure, config.in, Makefile.in: Rebuild.
12404         * testsuite/Makefile.in: Rebuild.
12405
12406 2008-04-16  Cary Coutant  <ccoutant@google.com>
12407
12408         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12409         (Target_i386::tls_base_symbol_defined_): New field.
12410         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12411         (Target_i386::Scan::global): Likewise.
12412         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12413         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12414         (Target_x86_64::tls_base_symbol_defined_): New field.
12415         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12416         (Target_x86_64::Scan::global): Likewise.
12417
12418 2008-04-16  Cary Coutant  <ccoutant@google.com>
12419
12420         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12421         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12422         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12423         building shared libraries.
12424         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12425         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12426         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12427         * testsuite/Makefile.in: Rebuild.
12428         * testsuite/weak_undef.h: New file.
12429         * testsuite/weak_undef_file1.cc: Add extra test cases.
12430         * testsuite/weak_undef_file2.cc: Likewise.
12431         * testsuite/weak_undef_test.cc: Likewise.
12432
12433 2008-04-16  David S. Miller  <davem@davemloft.net>
12434
12435         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12436         Add issued_non_pic_error_ field.  Declare check_non_pic.
12437         (Target_sparc::Scan::check_non_pic): New function.
12438         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12439         (Target_sparc::Scan::global): Likewise.
12440
12441         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12442         * configure: Rebuild.
12443
12444         * options.h (DEFINE_enable): New macro.
12445         (new_dtags): New enable option.
12446         (initfirst, interpose, loadfltr, nodefaultlib,
12447         nodelete, nodlopen, nodump): New -z options.
12448         * layout.cc (Layout:finish_dynamic_section): If new
12449         dtags enabled, emit DT_RUNPATH.  Also, emit a
12450         DT_FLAGS_1 containing any specified -z flags.
12451
12452 2008-04-16  Ian Lance Taylor  <iant@google.com>
12453
12454         * copy-relocs.cc: New file.
12455         * copy-relocs.h: New file.
12456         * reloc.cc: Remove Copy_relocs code.
12457         * reloc.h: Likewise.
12458         * reloc-types.h (struct Reloc_types) [both versions]: Add
12459         get_reloc_addend_noerror.
12460         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12461         variants of add_global which take an addend which must be zero.
12462         * i386.cc: Include "copy-relocs.h".
12463         (class Target_i386): Change type of copy_relocs_ to variable,
12464         update initializer.
12465         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12466         Change all callers.
12467         (Target_i386::do_finalize_sections): Change handling of
12468         copy_relocs_.
12469         * sparc.cc: Include "copy-relocs.h".
12470         (class Target_sparc): Change type of copy_relocs_ to variable,
12471         update initializer.
12472         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12473         Change all callers.
12474         (Target_sparc::do_finalize_sections): Change handling of
12475         copy_relocs_.
12476         * x86_64.cc: Include "copy-relocs.h".
12477         (class Target_x86_64): Change type of copy_relocs_ to variable,
12478         update initializer.
12479         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12480         class.  Change all callers.
12481         (Target_x86_64::do_finalize_sections): Change handling of
12482         copy_relocs_.
12483         * Makefile.am (CCFILES): Add copy-relocs.cc.
12484         (HFILES): Add copy-relocs.h.
12485
12486         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12487
12488         * testsuite/script_test_4.sh: Permit leading zeroes.
12489
12490 2008-04-15  Ian Lance Taylor  <iant@google.com>
12491
12492         * script-sections.cc (Script_sections::create_segments): Use
12493         header_size_adjustment even when there is enough room for the
12494         headers.
12495         * testsuite/script_test_4.sh: New file.
12496         * testsuite/script_test_4.t: New file.
12497         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12498         (check_DATA): Add script_test_4.stdout.
12499         (MOSTLYCLEANFILES): Likewise.
12500         (script_test_4): New target.
12501         (script_test_4.stdout): New target.
12502         * testsuite/Makefile.in: Rebuild.
12503
12504         * sparc.cc: Add definitions for Output_data_plt_sparc class
12505         constants.
12506
12507 2008-04-14  David S. Miller  <davem@davemloft.net>
12508
12509         * sparc.cc: New file.
12510         * Makefile.am (TARGETSOURCES): Add sparc.cc
12511         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12512         * configure.tgt: Document targ_extra_size and
12513         targ_extra_big_endian.  Add entries for sparc-* and
12514         sparc64-*.
12515         * configure.ac: Handle targ_extra_size and
12516         targ_extra_big_endian.
12517         * Makefile.in: Rebuild.
12518         * configure: Likewise.
12519         * po/POTFILES.in: Likewise.
12520         * po/gold.pot: Likewise.
12521
12522 2008-04-14  Ian Lance Taylor  <iant@google.com>
12523
12524         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12525         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12526         in the name/type/flags to section mapping.  Don't call
12527         allocate_output_section.
12528         (Layout::choose_output_section): Change parameter from adjust_name
12529         to is_input_section.  Don't permit input sections after sections
12530         are attached to segments.  Don't call allocate_output_section.
12531         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12532         not write_enable_output_section.
12533         (Layout::make_output_section): Don't push to
12534         unattached_section_list_ nor call attach_to_segment.  Call
12535         attach_section_to_segment if sections are attached.
12536         (Layout::attach_sections_to_segments): New function.
12537         (Layout::attach_section_to_segment): New function.
12538         (Layout::attach_allocated_section_to_segment): Rename from
12539         attach_to_segment.  Remove flags parameter.
12540         (Layout::allocate_output_section): Remove function.
12541         (Layout::write_enable_output_section): Remove function.
12542         * layout.h (class Layout): Update for above changes.  Add new
12543         field sections_are_attached_.
12544         * output.h (Output_section::update_flags_for_input_section): New
12545         function.
12546         * output.cc (Output_section::add_input_section): Call
12547         update_flags_for_input_section.
12548         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12549
12550 2008-04-11  Cary Coutant  <ccoutant@google.com>
12551
12552         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12553         thought unnecessary.
12554         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12555
12556 2008-04-11  Ian Lance Taylor  <iant@google.com>
12557
12558         * output.h (class Output_section_data): Remove inline definition
12559         of set_addralign.
12560         * output.cc (Output_section_data::set_addralign): New function.
12561
12562 2008-04-11  Cary Coutant  <ccoutant@google.com>
12563
12564         Add support for TLS descriptors for i386 and x86_64.
12565         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12566         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12567         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12568         GOT_TYPE_TLS_DESC.
12569         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12570         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12571         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12572         relocations.
12573         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12574         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12575         Fix problem with initial-exec relocations.
12576         (Target_i386::Relocate::relocate_tls): Likewise.
12577         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12578         relaxation.
12579         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12580         support for section-plus-offset dynamic table entries.
12581         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12582         (Output_data_dynamic::Dynamic_entry): Add support for
12583         section-plus-offset dynamic table entries.
12584         (Output_data_dynamic::Classification): Likewise.
12585         (Output_data_dynamic::classification_): Renamed offset_.
12586         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12587         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12588         (Target_x86_64::make_plt_section): New function.
12589         (Target_x86_64::reserve_tlsdesc_entries): New function.
12590         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12591         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12592         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12593         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12594         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12595         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12596         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12597         add extra PLT entry for TLS descriptors.
12598         (Output_data_plt_x86_64::got_): New field.
12599         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12600         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12601         fields.
12602         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12603         descriptors.
12604         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12605         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12606         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12607         R_386_TLS_DESC_CALL relocations.
12608         (Target_x86_64::Scan::global): Likewise.
12609         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12610         for TLS descriptors.
12611         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12612         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12613         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12614         GD-to-IE relaxation.
12615         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12616         and TLS_DESCRIPTORS.
12617         * Makefile.in: Rebuild.
12618         * configure: Rebuild.
12619         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12620         (tls_test_shared2.so): New target.
12621         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12622         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12623         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12624         (tls_shared_gd_to_ie_test_LDADD): New variable.
12625         (tls_shared_gnu2_gd_to_ie_test): New target.
12626         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12627         New targets.
12628         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12629         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12630         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12631         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12632         (tls_shared_gnu2_test): New target.
12633         (tls_test_gnu2_shared.so): New target.
12634         (tls_shared_gnu2_test_SOURCES): New variable.
12635         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12636         (tls_shared_gnu2_test_LDFLAGS): New variable.
12637         (tls_shared_gnu2_test_LDADD): New variable.
12638         * testsuite/Makefile.in: Rebuild.
12639         * testsuite/Makefile.
12640
12641 2008-04-11  Ian Lance Taylor  <iant@google.com>
12642
12643         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12644         justsyms.t.
12645         * testsuite/Makefile.in: Rebuild.
12646
12647         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12648         long.
12649         * testsuite/script_test_2.cc (main): Adjust test.
12650
12651 2008-04-11  David S. Miller  <davem@davemloft.net>
12652             Ian Lance Taylor  <iant@google.com>
12653
12654         * options.h (General_options): Add entries for '-Y' and
12655         '-relax'.
12656         * options.cc (General_options:finalize): If -Y was used, add those
12657         entries to the library path instead of the default "/lib" and
12658         "/usr/lib".
12659
12660 2008-04-11  David S. Miller  <davem@davemloft.net>
12661
12662         * testsuite/justsyms.t: Start at 0x100.
12663         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12664         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12665         long.
12666         * testsuite/script_test_2.cc: Adjust string and section length
12667         checks.
12668
12669 2008-04-09  Ian Lance Taylor  <iant@google.com>
12670
12671         PR gold/5996
12672         * script-sections.cc (Sections_element::allocate_to_segment): Add
12673         orphan parameter.
12674         (Output_section_definition::allocate_to_segment): Likewise.
12675         (Orphan_output_section::allocate_to_segment): Likewise.
12676         (Script_sections::attach_sections_using_phdrs_clause): Don't
12677         propagate non-PT_LOAD segments to orphan sections.
12678         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12679         readelf rather than objdump.
12680         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12681         .interp section and PT_INTERP segment are the same size.
12682         * testsuite/Makefile.in: Rebuild.
12683
12684         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12685         aliases for symbols defined in the same object.
12686         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12687         (weak_alias_test_SOURCES): New variable.
12688         (weak_alias_test_DEPENDENCIES): New variable.
12689         (weak_alias_test_LDFLAGS): New variable.
12690         (weak_alias_test_LDADD): New variable.
12691         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12692         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12693         (weak_alias_test_3.o): New target.
12694         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12695         * testsuite/weak_alias_test_main.cc: New file.
12696         * testsuite/weak_alias_test_1.cc: New file.
12697         * testsuite/weak_alias_test_2.cc: New file.
12698         * testsuite/weak_alias_test_3.cc: New file.
12699
12700 2008-04-08  Ian Lance Taylor  <iant@google.com>
12701
12702         * options.h (class General_options): Add --noinhibit-exec option.
12703         * main.cc (main): Check --noinhibit-exec.
12704
12705         * options.h (class General_options): Define --wrap as a special
12706         option.  Add wrap_symbols_ field.
12707         (General_options::any_wrap_symbols): New function.
12708         (General_options::is_wrap_symbol): New function.
12709         * options.cc (General_options::parse_wrap): New function.
12710         (General_options::General_options): Initialize wrap_symbols_.
12711         * symtab.cc (Symbol_table::wrap_symbol): New function.
12712         (Symbol_table::add_from_object): Handle --wrap.
12713         * symtab.h (class Symbol_table): Declare wrap_symbol.
12714         * target.h (Target::wrap_char): New function.
12715         (Target::Target_info): Add wrap_char field.
12716         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12717         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12718         * testsuite/testfile.cc (Target_test::test_target_info):
12719         Likewise.
12720
12721         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12722         there is one.
12723
12724         * layout.h (class Layout): Add added_eh_frame_data_ field.
12725         * layout.cc (Layout::Layout): Initialize new field.
12726         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12727         output section until we find a section we merged successfully.
12728         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12729         that the size be non-zero.
12730
12731         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12732         qualifier.
12733
12734 2008-04-08  Craig Silverstein  <csilvers@google.com>
12735
12736         * configure.ac: Export new conditional variable HAVE_ZLIB.
12737         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12738         on HAVE_ZLIB.
12739         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12740         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12741
12742 2008-04-07  Ian Lance Taylor  <iant@google.com>
12743
12744         * version.cc (version_string): Set to "1.5".
12745
12746         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12747         Add issued_non_pic_error_ field.  Declare check_non_pic.
12748         (Target_x86_64::Scan::check_non_pic): New function.
12749         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12750         (Target_x86_64::Scan::global): Likewise.
12751
12752         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12753         addend parameter.  Change caller.  Handle merge sections.
12754         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12755         Address to Addend.  Don't add in the result of
12756         local_section_offset, pass down the addend and use the returned
12757         value.
12758         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12759         Update declarations of local_section_offset and symbol_value.
12760         * testsuite/two_file_test_1.cc (t18): New function.
12761         * testsuite/two_file_test_2.cc (f18): New function.
12762         * testsuite/two_file_test_main.cc (main): Call t18.
12763         * testsuite/two_file_test.h (t18, f18): Declare.
12764
12765         * configure.ac: Don't test for objdump, c++filt, or readelf.
12766         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12767         conditionals.
12768         (TEST_READELF): New variable.
12769         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12770         (check_PROGRAMS): Add two_file_strip_test.
12771         (two_file_strip_test): New target.
12772         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12773         (two_file_same_shared_strip_test_SOURCES): New variable.
12774         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12775         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12776         (two_file_same_shared_strip_test_LDADD): New variable.
12777         (two_file_shared_strip.so): New target.
12778         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12779         (ver_test_5.syms, ver_test_7.syms): Likewise.
12780         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12781         (strip_test_3.stdout): Use TEST_OBJDUMP.
12782         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12783
12784 2008-04-04  Cary Coutant  <ccoutant@google.com>
12785
12786         * symtab.h (Symbol::is_weak_undefined): New function.
12787         (Symbol::is_strong_undefined): New function.
12788         (Symbol::is_absolute): New function.
12789         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12790         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12791         absolute symbols.
12792         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12793         (weak_undef_test): New target.
12794         * testsuite/Makefile.in: Rebuild.
12795         * testsuite/weak_undef_file1.cc: New file.
12796         * testsuite/weak_undef_file2.cc: New file.
12797         * testsuite/weak_undef_test.cc: New file.
12798
12799 2008-04-03  Craig Silverstein  <csilvers@google.com>
12800
12801         * compressed_output.h (class Output_compressed_section): Use
12802         unsigned buffer.
12803         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12804         add zlib header.
12805         (zlib_compressed_suffix): Removed.
12806         (Output_compressed_section::set_final_data_size): Use unsigned
12807         buffers.
12808         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12809         Fix linker invocation.
12810         (flagstest_o_specialfile_and_compress_debug_sections):
12811         Likewise.
12812         * testsuite/Makefile.in: Regenerated.
12813
12814 2008-04-02  David S. Miller  <davem@davemloft.net>
12815
12816         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12817         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12818
12819 2008-04-02  Craig Silverstein  <csilvers@google.com>
12820
12821         * TODO: New file.
12822
12823 2008-04-02  Ian Lance Taylor  <iant@google.com>
12824
12825         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12826         parameters.  Update for new key type to views_.  Change all
12827         callers.
12828         (File_read::read): Adjust for byteshift in returned view.
12829         (File_read::add_view): New function, broken out of
12830         find_and_make_view.
12831         (File_read::make_view): New function, broken out of
12832         find_and_make_view.
12833         (File_read::find_or_make_view): Add offset and aligned
12834         parameters.  Rewrite accordingly.  Change all callers.
12835         (File_read::get_view): Add offset and aligned parameters.  Adjust
12836         for byteshift in return value.
12837         (File_read::get_lasting_view): Likewise.
12838         * fileread.h (class File_read): Update declarations.
12839         (class File_read::View): Add byteshift_ field.  Add byteshift to
12840         constructor.  Add byteshift method.
12841         * archive.h (Archive::clear_uncached_views): New function.
12842         (Archive::get_view): Add aligned parameter.  Change all callers.
12843         * object.h (Object::get_view): Add aligned parameter.  Change all
12844         callers.
12845         (Object::get_lasting_view): Likewise.
12846
12847         * fileread.cc (File_read::release): Don't call clear_views if
12848         there are multiple objects.
12849         * fileread.h (File_read::clear_uncached_views): New function.
12850         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12851         on the archive.
12852
12853 2008-03-31  Cary Coutant  <ccoutant@google.com>
12854
12855         Add thin archive support.
12856         * archive.cc (Archive::armagt): New const.
12857         (Archive::setup): Remove task parameter and calls to unlock.
12858         (Archive::unlock_nested_archives): New function.
12859         (Archive::read_header): Add nested_off parameter. Change
12860         all callers.
12861         (Archive::interpret_header): Likewise.
12862         (Archive::include_all_members): Change to handle thin
12863         archives.
12864         (Archive::include_member): Likewise.
12865         * archive.h (Archive::Archive): Add new parameters and
12866         initializers.
12867         (Archive::armagt): New const.
12868         (Archive::setup): Remove task parameter.
12869         (Archive::unlock_nested_archives): New function.
12870         (Archive::read_header): Add nested_off parameter.
12871         (Archive::interpret_header): Likewise.
12872         (Archive::Nested_archive_table): New typedef.
12873         (Archive::is_thin_archive_): New field.
12874         (Archive::nested_archives_): New field.
12875         (Archive::options_): New field.
12876         (Archive::dirpath_): New field.
12877         (Archive::task_): New field.
12878         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12879         for thin archives.  Pass additional parameters to
12880         Archive::Archive.  Unlock the archive file after calling
12881         Archive::setup.
12882
12883 2008-03-29  Ian Lance Taylor  <iant@google.com>
12884
12885         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12886         version symbol to be local.
12887         * testsuite/ver_test_4.sh: New file.
12888         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12889         (check_DATA): Add ver_test_4.syms.
12890         (ver_test_4.syms): New target.
12891         * testsuite/Makefile.in: Rebuild.
12892
12893         * output.cc
12894         (Output_section::Input_section_sort_entry::has_priority): New
12895         function.
12896         (Output_section::Input_section_sort_entry::match_file_name): New
12897         function.
12898         (Output_section::Input_section_sort_entry::match_section_name):
12899         Remove.
12900         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12901         Remove.
12902         (Output_section::Input_section_sort_entry::match_section_file):
12903         Remove.
12904         (Output_section::Input_section_sort_compare::operator()): Rewrite
12905         using new Input_section_sort_entry functions.  Sort crtbegin and
12906         crtend first.  Sort sections with no priority before sections with
12907         a priority.
12908         * testsuite/initpri1.c (d3): Check j != 4.
12909         (cd5): New constructor/destructor function.
12910         (main): Check j != 2.
12911
12912         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12913         new symbol when resolving, don't call set_is_default.
12914         * testsuite/ver_test_7.cc: New file.
12915         * testsuite/ver_test_7.sh: New file.
12916         * testsuite/Makefile.am (ver_test_7.so): New target.
12917         (ver_test_7.o): New target.
12918         (check_SCRIPTS): Add ver_test_7.sh.
12919         (check_DATA): Add ver_test_7.syms.
12920         (ver_test_7.syms): New target.
12921
12922 2008-03-28  Ian Lance Taylor  <iant@google.com>
12923
12924         * layout.cc (Layout::layout): If we see an input section with a
12925         name that needs sorting, set the must_sort flag for the output
12926         section.
12927         (Layout::make_output_section): If the name of the output section
12928         indicates that it might require sorting, set the may_sort flag.
12929         * output.h (Output_section::may_sort_attached_input_sections): New
12930         function.
12931         (Output_section::set_may_sort_attached_input_sections): New
12932         function.
12933         (Output_section::must_sort_attached_input_sections): New
12934         function.
12935         (Output_section::set_must_sort_attached_input_sections): New
12936         function.
12937         (class Output_section): Declare Input_section_sort_entry.  Define
12938         Input_section_sort_compare.  Declare
12939         sort_attached_input_sections.  Add new fields:
12940         may_sort_attached_input_sections_,
12941         must_sort_attached_input_sections_,
12942         attached_input_sections_are_sorted_.
12943         * output.cc (Output_section::Output_section): Initialize new
12944         fields.
12945         (Output_section::add_input_section): Add an entry to
12946         input_sections_ if may_sort or must_sort are true.
12947         (Output_section::set_final_data_size): Call
12948         sort_attached_input_sections if necessary.
12949         (Output_section::Input_section_sort_entry): Define new class.
12950         (Output_section::Input_section_sort_compare::operator()): New
12951         function.
12952         (Output_section::sort_attached_input_sections): New function.
12953         * configure.ac: Check whether the compiler supports constructor
12954         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12955         * testsuite/initpri1.c: New file.
12956         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12957         CONSTRUCTOR_PRIORITY.
12958         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12959         (initpri1_LDFLAGS): New variable.
12960         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12961
12962 2008-03-27  Ian Lance Taylor  <iant@google.com>
12963
12964         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12965         * testsuite/common_test_1.c: New file.
12966         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12967         (common_test_1_SOURCES): New variable.
12968         (common_test_1_DEPENDENCIES): New variable.
12969         (common_test_1_LDFLAGS): New variable.
12970
12971         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12972         and commons_ correctly when NAME/VERSION does not override
12973         NAME/NULL.
12974         * testsuite/ver_test_6.c: New file.
12975         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12976         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12977         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12978
12979 2008-03-26  Ian Lance Taylor  <iant@google.com>
12980
12981         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12982         of an undefined symbol from a version script.
12983         * testsuite/Makefile.am (ver_test_5.so): New target.
12984         (ver_test_5.o): New target.
12985         (check_SCRIPTS): Add ver_test_5.sh.
12986         (check_DATA): Add ver_test_5.syms.
12987         (ver_test_5.syms): New target.
12988         * testsuite/ver_test_5.cc: New file.
12989         * testsuite/ver_test_5.script: New file.
12990         * testsuite/ver_test_5.sh: New file.
12991         * Makefile.in, testsuite/Makefile.in: Rebuild.
12992
12993         PR gold/5986
12994         Fix problems building gold with gcc 4.3.0.
12995         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12996         (gold_error_at_location, gold_warning_at_location): Use it.
12997         * configure.ac: Check whether we can compile and use a template
12998         function with a printf attribute.
12999         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13000         when jumping over bytes.
13001         * object.cc: Instantiate Object::read_section_data.
13002         * debug.h: Include <cstring>
13003         * dwarf_reader.cc: Include <algorithm>
13004         * main.cc: Include <cstring>.
13005         * options.cc: Include <cstring>.
13006         * output.cc: Include <cstring>.
13007         * script.cc: Include <cstring>.
13008         * script.h: Include <string>.
13009         * symtab.cc: Include <cstring> and <algorithm>.
13010         * target-select.cc: Include <cstring>.
13011         * version.cc: Include <string>.
13012         * testsuite/testmain.cc: Include <cstdlib>.
13013         * configure, config.in: Rebuild.
13014
13015 2008-03-25  Ian Lance Taylor  <iant@google.com>
13016
13017         * options.cc: Include "../bfd/bfdver.h".
13018         (options::help): Print bug reporting address.
13019
13020         * version.cc (print_version): Adjust output for current value of
13021         BFD_VERSION_STRING.
13022
13023         * NEWS: New file.
13024
13025         * options.cc (options::help): Print list of supported targets.
13026         * target-select.h: Include <vector>.
13027         (class Target_selector): Make machine_, size_, and is_big_endian_
13028         fields const.  Add bfd_name_ and instantiated_target_ fields.
13029         (Target_selector::Target_selector): Add bfd_name parameter.
13030         (Target_selector::recognize): Make non-virtual, call
13031         do_recognize.
13032         (Target_selector::recognize_by_name): Make non-virtual, call
13033         do_recognize_by_name.
13034         (Target_selector::supported_names): New function.
13035         (Target_selector::bfd_name): New function.
13036         (Target_selector::do_instantiate_target): New pure virtual
13037         function.
13038         (Target_selector::do_recognize): New virtual function.
13039         (Target_selector::do_recognize_by_name): New virtual function.
13040         (Target_selector::instantiate_target): New private function.
13041         (supported_target_names): Declare.
13042         * target-select.cc (Target_selector::Target_selector): Update for
13043         new parameter and fields.
13044         (select_target_by_name): Check that the name matches before
13045         calling recognize_by_name.
13046         (supported_target_names): New function.
13047         * i386.cc (class Target_selector_i386): Update Target_selector
13048         constructor call.  Remove recognize and recognize_by_name.  Add
13049         do_instantiate_target.
13050         * x86_64.cc (class Target_selector_x86_64): Likewise.
13051         * testsuite/testfile.cc (class Target_selector_test): Update for
13052         changes to Target_selector.
13053
13054         * README: Rewrite, with some notes on unsupported features.
13055
13056 2008-03-24  Cary Coutant  <ccoutant@google.com>
13057
13058         * i386.cc (Target_i386::Got_type): New enum declaration.
13059         (Target_i386::Scan::local): Updated callers of Output_data_got
13060         member functions.
13061         (Target_i386::Scan::global): Likewise.
13062         (Target_i386::Relocate::relocate): Likewise.
13063         (Target_i386::Relocate::relocate_tls): Likewise.
13064         * object.h (Got_offset_list): New class.
13065         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13066         (Sized_relobj::local_got_offset): Likewise.
13067         (Sized_relobj::set_local_got_offset): Likewise.
13068         (Sized_relobj::local_has_tls_got_offset): Removed.
13069         (Sized_relobj::local_tls_got_offset): Removed.
13070         (Sized_relobj::set_local_tls_got_offset): Removed.
13071         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13072         * output.cc (Output_data_got::add_global): Added got_type parameter.
13073         (Output_data_got::add_global_with_rel): Likewise.
13074         (Output_data_got::add_global_with_rela): Likewise.
13075         (Output_data_got::add_global_pair_with_rel): New function.
13076         (Output_data_got::add_global_pair_with_rela): New function.
13077         (Output_data_got::add_local): Added got_type parameter.
13078         (Output_data_got::add_local_with_rel): Likewise.
13079         (Output_data_got::add_local_with_rela): Likewise.
13080         (Output_data_got::add_local_pair_with_rel): New function.
13081         (Output_data_got::add_local_pair_with_rela): New function.
13082         (Output_data_got::add_global_tls): Removed.
13083         (Output_data_got::add_global_tls_with_rel): Removed.
13084         (Output_data_got::add_global_tls_with_rela): Removed.
13085         (Output_data_got::add_local_tls): Removed.
13086         (Output_data_got::add_local_tls_with_rel): Removed.
13087         (Output_data_got::add_local_tls_with_rela): Removed.
13088         * output.h (Output_data_got::add_global): Added got_type parameter.
13089         (Output_data_got::add_global_with_rel): Likewise.
13090         (Output_data_got::add_global_with_rela): Likewise.
13091         (Output_data_got::add_global_pair_with_rel): New function.
13092         (Output_data_got::add_global_pair_with_rela): New function.
13093         (Output_data_got::add_local): Added got_type parameter.
13094         (Output_data_got::add_local_with_rel): Likewise.
13095         (Output_data_got::add_local_with_rela): Likewise.
13096         (Output_data_got::add_local_pair_with_rel): New function.
13097         (Output_data_got::add_local_pair_with_rela): New function.
13098         (Output_data_got::add_global_tls): Removed.
13099         (Output_data_got::add_global_tls_with_rel): Removed.
13100         (Output_data_got::add_global_tls_with_rela): Removed.
13101         (Output_data_got::add_local_tls): Removed.
13102         (Output_data_got::add_local_tls_with_rel): Removed.
13103         (Output_data_got::add_local_tls_with_rela): Removed.
13104         * resolve.cc (Symbol::override_base_with_special): Removed
13105         reference to has_got_offset_ field.
13106         * symtab.cc (Symbol::init_fields): Replaced initialization
13107         of got_offset_ with got_offsets_.  Removed initialization
13108         of has_got_offset_
13109         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13110         (Symbol::got_offset): Likewise.
13111         (Symbol::set_got_offset): Likewise.
13112         (Symbol::has_tls_got_offset): Removed.
13113         (Symbol::tls_got_offset): Removed.
13114         (Symbol::set_tls_got_offset): Removed.
13115         (Symbol::got_offset_): Removed.
13116         (Symbol::tls_mod_got_offset_): Removed.
13117         (Symbol::tls_pair_got_offset_): Removed.
13118         (Symbol::got_offsets_): New field.
13119         (Symbol::has_got_offset): Removed.
13120         (Symbol::has_tls_mod_got_offset): Removed.
13121         (Symbol::has_tls_pair_got_offset): Removed.
13122         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13123         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13124         member functions.
13125         (Target_x86_64::Scan::global): Likewise.
13126         (Target_x86_64::Relocate::relocate): Likewise.
13127         (Target_x86_64::Relocate::relocate_tls): Likewise.
13128
13129 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13130
13131         * yyscript.y: Fix spelling error in comment.
13132
13133 2008-03-24  Ian Lance Taylor  <iant@google.com>
13134
13135         * options.h (class General_options): Define build_id option.
13136         * layout.h (class Layout): Declare write_build_id, create_note,
13137         create_build_id.  Add build_id_note_ member.
13138         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13139         "libiberty.h", "md5.h", "sha1.h".
13140         (Layout::Layout): Initialize eh_frame_data_,
13141         eh_frame_hdr_section_, and build_id_note_.
13142         (Layout::finalize): Call create_build_id.
13143         (Layout::create_note): New function, broken out of
13144         Layout::create_gold_note.
13145         (Layout::create_gold_note): Call create_note.
13146         (Layout::create_build_id): New function.
13147         (Layout::write_build_id): New function.
13148         (Close_task_runner::run): Call write_build_id.
13149
13150         * x86_64.cc: Correct license to GPLv3.
13151
13152 2008-03-23  Ian Lance Taylor  <iant@google.com>
13153
13154         * options.cc: Include "demangle.h".
13155         (parse_optional_string): New function.
13156         (parse_long_option): Handle takes_optional_argument.
13157         (parse_short_option): Update dash_z initializer.  Handle
13158         takes_optional_argument.
13159         (General_options::General_options): Initialize do_demangle_.
13160         (General_options::finalize): Set do_demangle_.  Handle demangling
13161         style.
13162         * options.h (parse_optional_string): Declare.
13163         (struct One_option): Add optional_arg field.  Update constructor.
13164         Update call constructor calls.  Add takes_optional_argument
13165         function.
13166         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13167         (DEFINE_optional_string): Define.
13168         (General_options::demangle): Change from DEFINE_bool to
13169         DEFINE_optional_string.
13170         (General_options::no_demangle): New function.
13171         (General_options::do_demangle): New function.
13172         (General_options::set_do_demangle): New function.
13173         (General_options::execstack_status_): Move definition to end of
13174         class definition.
13175         (General_options::static_): Likewise.
13176         (General_options::do_demangle_): New field.
13177         * object.cc (big_endian>::get_symbol_location_info): Call
13178         Options::do_demangle, not Options::demangle.
13179         * symtab.cc (demangle): Likewise.
13180
13181 2008-03-22  Ian Lance Taylor  <iant@google.com>
13182
13183         * gold.h: Include <cstddef> and <sys/types.h>
13184         * options.h: Include <cstring>.
13185
13186 2008-03-21  Ian Lance Taylor  <iant@google.com>
13187
13188         * Added source code to GNU binutils.