gold/ChangeLog

   1 2008-04-11  Cary Coutant  <ccoutant@google.com>
   2
   3         Add support for TLS descriptors for i386 and x86_64.
   4         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
   5         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
   6         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
   7         GOT_TYPE_TLS_DESC.
   8         (Target_i386::got_mod_index_entry): Remove unnecessary code.
   9         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
  10         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
  11         relocations.
  12         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
  13         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
  14         Fix problem with initial-exec relocations.
  15         (Target_i386::Relocate::relocate_tls): Likewise.
  16         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
  17         relaxation.
  18         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
  19         support for section-plus-offset dynamic table entries.
  20         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
  21         (Output_data_dynamic::Dynamic_entry): Add support for
  22         section-plus-offset dynamic table entries.
  23         (Output_data_dynamic::Classification): Likewise.
  24         (Output_data_dynamic::classification_): Renamed offset_.
  25         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
  26         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
  27         (Target_x86_64::make_plt_section): New function.
  28         (Target_x86_64::reserve_tlsdesc_entries): New function.
  29         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
  30         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
  31         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
  32         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
  33         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
  34         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
  35         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
  36         add extra PLT entry for TLS descriptors.
  37         (Output_data_plt_x86_64::got_): New field.
  38         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
  39         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
  40         fields.
  41         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
  42         descriptors.
  43         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
  44         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
  45         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
  46         R_386_TLS_DESC_CALL relocations.
  47         (Target_x86_64::Scan::global): Likewise.
  48         (Target_x86_64::do_finalize_sections): Add dynamic table entries
  49         for TLS descriptors.
  50         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
  51         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
  52         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
  53         GD-to-IE relaxation.
  54         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
  55         and TLS_DESCRIPTORS.
  56         * Makefile.in: Rebuild.
  57         * configure: Rebuild.
  58         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
  59         (tls_test_shared2.so): New target.
  60         (tls_shared_gd_to_ie_test_SOURCES): New variable.
  61         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
  62         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
  63         (tls_shared_gd_to_ie_test_LDADD): New variable.
  64         (tls_shared_gnu2_gd_to_ie_test): New target.
  65         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
  66         New targets.
  67         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
  68         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
  69         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
  70         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
  71         (tls_shared_gnu2_test): New target.
  72         (tls_test_gnu2_shared.so): New target.
  73         (tls_shared_gnu2_test_SOURCES): New variable.
  74         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
  75         (tls_shared_gnu2_test_LDFLAGS): New variable.
  76         (tls_shared_gnu2_test_LDADD): New variable.
  77         * testsuite/Makefile.in: Rebuild.
  78         * testsuite/Makefile.
  79
  80 2008-04-11  Ian Lance Taylor  <iant@google.com>
  81
  82         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
  83         justsyms.t.
  84         * testsuite/Makefile.in: Rebuild.
  85
  86         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
  87         long.
  88         * testsuite/script_test_2.cc (main): Adjust test.
  89
  90 2008-04-11  David S. Miller  <davem@davemloft.net>
  91             Ian Lance Taylor  <iant@google.com>
  92
  93         * options.h (General_options): Add entries for '-Y' and
  94         '-relax'.
  95         * options.cc (General_options:finalize): If -Y was used, add those
  96         entries to the library path instead of the default "/lib" and
  97         "/usr/lib".
  98
  99 2008-04-11  David S. Miller  <davem@davemloft.net>
 100
 101         * testsuite/justsyms.t: Start at 0x100.
 102         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
 103         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
 104         long.
 105         * testsuite/script_test_2.cc: Adjust string and section length
 106         checks.
 107
 108 2008-04-09  Ian Lance Taylor  <iant@google.com>
 109
 110         PR gold/5996
 111         * script-sections.cc (Sections_element::allocate_to_segment): Add
 112         orphan parameter.
 113         (Output_section_definition::allocate_to_segment): Likewise.
 114         (Orphan_output_section::allocate_to_segment): Likewise.
 115         (Script_sections::attach_sections_using_phdrs_clause): Don't
 116         propagate non-PT_LOAD segments to orphan sections.
 117         * testsuite/Makefile.am (script_test_3.stdout): Generate using
 118         readelf rather than objdump.
 119         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
 120         .interp section and PT_INTERP segment are the same size.
 121         * testsuite/Makefile.in: Rebuild.
 122
 123         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
 124         aliases for symbols defined in the same object.
 125         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
 126         (weak_alias_test_SOURCES): New variable.
 127         (weak_alias_test_DEPENDENCIES): New variable.
 128         (weak_alias_test_LDFLAGS): New variable.
 129         (weak_alias_test_LDADD): New variable.
 130         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
 131         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
 132         (weak_alias_test_3.o): New target.
 133         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
 134         * testsuite/weak_alias_test_main.cc: New file.
 135         * testsuite/weak_alias_test_1.cc: New file.
 136         * testsuite/weak_alias_test_2.cc: New file.
 137         * testsuite/weak_alias_test_3.cc: New file.
 138
 139 2008-04-08  Ian Lance Taylor  <iant@google.com>
 140
 141         * options.h (class General_options): Add --noinhibit-exec option.
 142         * main.cc (main): Check --noinhibit-exec.
 143
 144         * options.h (class General_options): Define --wrap as a special
 145         option.  Add wrap_symbols_ field.
 146         (General_options::any_wrap_symbols): New function.
 147         (General_options::is_wrap_symbol): New function.
 148         * options.cc (General_options::parse_wrap): New function.
 149         (General_options::General_options): Initialize wrap_symbols_.
 150         * symtab.cc (Symbol_table::wrap_symbol): New function.
 151         (Symbol_table::add_from_object): Handle --wrap.
 152         * symtab.h (class Symbol_table): Declare wrap_symbol.
 153         * target.h (Target::wrap_char): New function.
 154         (Target::Target_info): Add wrap_char field.
 155         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
 156         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 157         * testsuite/testfile.cc (Target_test::test_target_info):
 158         Likewise.
 159
 160         * errors.cc (Errors::undefined_symbol): Mention symbol version if
 161         there is one.
 162
 163         * layout.h (class Layout): Add added_eh_frame_data_ field.
 164         * layout.cc (Layout::Layout): Initialize new field.
 165         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
 166         output section until we find a section we merged successfully.
 167         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
 168         that the size be non-zero.
 169
 170         * merge.cc (Object_merge_map::get_output_offset): Remove inline
 171         qualifier.
 172
 173 2008-04-08  Craig Silverstein  <csilvers@google.com>
 174
 175         * configure.ac: Export new conditional variable HAVE_ZLIB.
 176         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
 177         on HAVE_ZLIB.
 178         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
 179         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 180
 181 2008-04-07  Ian Lance Taylor  <iant@google.com>
 182
 183         * version.cc (version_string): Set to "1.5".
 184
 185         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
 186         Add issued_non_pic_error_ field.  Declare check_non_pic.
 187         (Target_x86_64::Scan::check_non_pic): New function.
 188         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
 189         (Target_x86_64::Scan::global): Likewise.
 190
 191         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
 192         addend parameter.  Change caller.  Handle merge sections.
 193         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
 194         Address to Addend.  Don't add in the result of
 195         local_section_offset, pass down the addend and use the returned
 196         value.
 197         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
 198         Update declarations of local_section_offset and symbol_value.
 199         * testsuite/two_file_test_1.cc (t18): New function.
 200         * testsuite/two_file_test_2.cc (f18): New function.
 201         * testsuite/two_file_test_main.cc (main): Call t18.
 202         * testsuite/two_file_test.h (t18, f18): Declare.
 203
 204         * configure.ac: Don't test for objdump, c++filt, or readelf.
 205         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
 206         conditionals.
 207         (TEST_READELF): New variable.
 208         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
 209         (check_PROGRAMS): Add two_file_strip_test.
 210         (two_file_strip_test): New target.
 211         (check_PROGRAMS): Add two_file_same_shared_strip_test.
 212         (two_file_same_shared_strip_test_SOURCES): New variable.
 213         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
 214         (two_file_same_shared_strip_test_LDFLAGS): New variable.
 215         (two_file_same_shared_strip_test_LDADD): New variable.
 216         (two_file_shared_strip.so): New target.
 217         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
 218         (ver_test_5.syms, ver_test_7.syms): Likewise.
 219         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
 220         (strip_test_3.stdout): Use TEST_OBJDUMP.
 221         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 222
 223 2008-04-04  Cary Coutant  <ccoutant@google.com>
 224
 225         * symtab.h (Symbol::is_weak_undefined): New function.
 226         (Symbol::is_strong_undefined): New function.
 227         (Symbol::is_absolute): New function.
 228         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
 229         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
 230         absolute symbols.
 231         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
 232         (weak_undef_test): New target.
 233         * testsuite/Makefile.in: Rebuild.
 234         * testsuite/weak_undef_file1.cc: New file.
 235         * testsuite/weak_undef_file2.cc: New file.
 236         * testsuite/weak_undef_test.cc: New file.
 237
 238 2008-04-03  Craig Silverstein  <csilvers@google.com>
 239
 240         * compressed_output.h (class Output_compressed_section): Use
 241         unsigned buffer.
 242         * compressed_output.cc (zlib_compress): Use unsigned buffers,
 243         add zlib header.
 244         (zlib_compressed_suffix): Removed.
 245         (Output_compressed_section::set_final_data_size): Use unsigned
 246         buffers.
 247         * testsuite/Makefile.am (flagstest_compress_debug_sections):
 248         Fix linker invocation.
 249         (flagstest_o_specialfile_and_compress_debug_sections):
 250         Likewise.
 251         * testsuite/Makefile.in: Regenerated.
 252
 253 2008-04-02  David S. Miller  <davem@davemloft.net>
 254
 255         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
 256         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
 257
 258 2008-04-02  Craig Silverstein  <csilvers@google.com>
 259
 260         * TODO: New file.
 261
 262 2008-04-02  Ian Lance Taylor  <iant@google.com>
 263
 264         * fileread.cc (File_read::find_view): Add byteshift and vshifted
 265         parameters.  Update for new key type to views_.  Change all
 266         callers.
 267         (File_read::read): Adjust for byteshift in returned view.
 268         (File_read::add_view): New function, broken out of
 269         find_and_make_view.
 270         (File_read::make_view): New function, broken out of
 271         find_and_make_view.
 272         (File_read::find_or_make_view): Add offset and aligned
 273         parameters.  Rewrite accordingly.  Change all callers.
 274         (File_read::get_view): Add offset and aligned parameters.  Adjust
 275         for byteshift in return value.
 276         (File_read::get_lasting_view): Likewise.
 277         * fileread.h (class File_read): Update declarations.
 278         (class File_read::View): Add byteshift_ field.  Add byteshift to
 279         constructor.  Add byteshift method.
 280         * archive.h (Archive::clear_uncached_views): New function.
 281         (Archive::get_view): Add aligned parameter.  Change all callers.
 282         * object.h (Object::get_view): Add aligned parameter.  Change all
 283         callers.
 284         (Object::get_lasting_view): Likewise.
 285
 286         * fileread.cc (File_read::release): Don't call clear_views if
 287         there are multiple objects.
 288         * fileread.h (File_read::clear_uncached_views): New function.
 289         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
 290         on the archive.
 291
 292 2008-03-31  Cary Coutant  <ccoutant@google.com>
 293
 294         Add thin archive support.
 295         * archive.cc (Archive::armagt): New const.
 296         (Archive::setup): Remove task parameter and calls to unlock.
 297         (Archive::unlock_nested_archives): New function.
 298         (Archive::read_header): Add nested_off parameter. Change
 299         all callers.
 300         (Archive::interpret_header): Likewise.
 301         (Archive::include_all_members): Change to handle thin
 302         archives.
 303         (Archive::include_member): Likewise.
 304         * archive.h (Archive::Archive): Add new parameters and
 305         initializers.
 306         (Archive::armagt): New const.
 307         (Archive::setup): Remove task parameter.
 308         (Archive::unlock_nested_archives): New function.
 309         (Archive::read_header): Add nested_off parameter.
 310         (Archive::interpret_header): Likewise.
 311         (Archive::Nested_archive_table): New typedef.
 312         (Archive::is_thin_archive_): New field.
 313         (Archive::nested_archives_): New field.
 314         (Archive::options_): New field.
 315         (Archive::dirpath_): New field.
 316         (Archive::task_): New field.
 317         * readsyms.cc (Read_symbols::do_read_symbols): Add check
 318         for thin archives.  Pass additional parameters to
 319         Archive::Archive.  Unlock the archive file after calling
 320         Archive::setup.
 321
 322 2008-03-29  Ian Lance Taylor  <iant@google.com>
 323
 324         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
 325         version symbol to be local.
 326         * testsuite/ver_test_4.sh: New file.
 327         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
 328         (check_DATA): Add ver_test_4.syms.
 329         (ver_test_4.syms): New target.
 330         * testsuite/Makefile.in: Rebuild.
 331
 332         * output.cc
 333         (Output_section::Input_section_sort_entry::has_priority): New
 334         function.
 335         (Output_section::Input_section_sort_entry::match_file_name): New
 336         function.
 337         (Output_section::Input_section_sort_entry::match_section_name):
 338         Remove.
 339         (Output_section::Input_section_sort_entry::match_section_name_prefix):
 340         Remove.
 341         (Output_section::Input_section_sort_entry::match_section_file):
 342         Remove.
 343         (Output_section::Input_section_sort_compare::operator()): Rewrite
 344         using new Input_section_sort_entry functions.  Sort crtbegin and
 345         crtend first.  Sort sections with no priority before sections with
 346         a priority.
 347         * testsuite/initpri1.c (d3): Check j != 4.
 348         (cd5): New constructor/destructor function.
 349         (main): Check j != 2.
 350
 351         * symtab.cc (Symbol_table::add_from_object): If we don't use the
 352         new symbol when resolving, don't call set_is_default.
 353         * testsuite/ver_test_7.cc: New file.
 354         * testsuite/ver_test_7.sh: New file.
 355         * testsuite/Makefile.am (ver_test_7.so): New target.
 356         (ver_test_7.o): New target.
 357         (check_SCRIPTS): Add ver_test_7.sh.
 358         (check_DATA): Add ver_test_7.syms.
 359         (ver_test_7.syms): New target.
 360
 361 2008-03-28  Ian Lance Taylor  <iant@google.com>
 362
 363         * layout.cc (Layout::layout): If we see an input section with a
 364         name that needs sorting, set the must_sort flag for the output
 365         section.
 366         (Layout::make_output_section): If the name of the output section
 367         indicates that it might require sorting, set the may_sort flag.
 368         * output.h (Output_section::may_sort_attached_input_sections): New
 369         function.
 370         (Output_section::set_may_sort_attached_input_sections): New
 371         function.
 372         (Output_section::must_sort_attached_input_sections): New
 373         function.
 374         (Output_section::set_must_sort_attached_input_sections): New
 375         function.
 376         (class Output_section): Declare Input_section_sort_entry.  Define
 377         Input_section_sort_compare.  Declare
 378         sort_attached_input_sections.  Add new fields:
 379         may_sort_attached_input_sections_,
 380         must_sort_attached_input_sections_,
 381         attached_input_sections_are_sorted_.
 382         * output.cc (Output_section::Output_section): Initialize new
 383         fields.
 384         (Output_section::add_input_section): Add an entry to
 385         input_sections_ if may_sort or must_sort are true.
 386         (Output_section::set_final_data_size): Call
 387         sort_attached_input_sections if necessary.
 388         (Output_section::Input_section_sort_entry): Define new class.
 389         (Output_section::Input_section_sort_compare::operator()): New
 390         function.
 391         (Output_section::sort_attached_input_sections): New function.
 392         * configure.ac: Check whether the compiler supports constructor
 393         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
 394         * testsuite/initpri1.c: New file.
 395         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
 396         CONSTRUCTOR_PRIORITY.
 397         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
 398         (initpri1_LDFLAGS): New variable.
 399         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 400
 401 2008-03-27  Ian Lance Taylor  <iant@google.com>
 402
 403         * common.cc (Sort_commons::operator): Correct sorting algorithm.
 404         * testsuite/common_test_1.c: New file.
 405         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
 406         (common_test_1_SOURCES): New variable.
 407         (common_test_1_DEPENDENCIES): New variable.
 408         (common_test_1_LDFLAGS): New variable.
 409
 410         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
 411         and commons_ correctly when NAME/VERSION does not override
 412         NAME/NULL.
 413         * testsuite/ver_test_6.c: New file.
 414         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
 415         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
 416         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
 417
 418 2008-03-26  Ian Lance Taylor  <iant@google.com>
 419
 420         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
 421         of an undefined symbol from a version script.
 422         * testsuite/Makefile.am (ver_test_5.so): New target.
 423         (ver_test_5.o): New target.
 424         (check_SCRIPTS): Add ver_test_5.sh.
 425         (check_DATA): Add ver_test_5.syms.
 426         (ver_test_5.syms): New target.
 427         * testsuite/ver_test_5.cc: New file.
 428         * testsuite/ver_test_5.script: New file.
 429         * testsuite/ver_test_5.sh: New file.
 430         * Makefile.in, testsuite/Makefile.in: Rebuild.
 431
 432         PR gold/5986
 433         Fix problems building gold with gcc 4.3.0.
 434         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
 435         (gold_error_at_location, gold_warning_at_location): Use it.
 436         * configure.ac: Check whether we can compile and use a template
 437         function with a printf attribute.
 438         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
 439         when jumping over bytes.
 440         * object.cc: Instantiate Object::read_section_data.
 441         * debug.h: Include <cstring>
 442         * dwarf_reader.cc: Include <algorithm>
 443         * main.cc: Include <cstring>.
 444         * options.cc: Include <cstring>.
 445         * output.cc: Include <cstring>.
 446         * script.cc: Include <cstring>.
 447         * script.h: Include <string>.
 448         * symtab.cc: Include <cstring> and <algorithm>.
 449         * target-select.cc: Include <cstring>.
 450         * version.cc: Include <string>.
 451         * testsuite/testmain.cc: Include <cstdlib>.
 452         * configure, config.in: Rebuild.
 453
 454 2008-03-25  Ian Lance Taylor  <iant@google.com>
 455
 456         * options.cc: Include "../bfd/bfdver.h".
 457         (options::help): Print bug reporting address.
 458
 459         * version.cc (print_version): Adjust output for current value of
 460         BFD_VERSION_STRING.
 461
 462         * NEWS: New file.
 463
 464         * options.cc (options::help): Print list of supported targets.
 465         * target-select.h: Include <vector>.
 466         (class Target_selector): Make machine_, size_, and is_big_endian_
 467         fields const.  Add bfd_name_ and instantiated_target_ fields.
 468         (Target_selector::Target_selector): Add bfd_name parameter.
 469         (Target_selector::recognize): Make non-virtual, call
 470         do_recognize.
 471         (Target_selector::recognize_by_name): Make non-virtual, call
 472         do_recognize_by_name.
 473         (Target_selector::supported_names): New function.
 474         (Target_selector::bfd_name): New function.
 475         (Target_selector::do_instantiate_target): New pure virtual
 476         function.
 477         (Target_selector::do_recognize): New virtual function.
 478         (Target_selector::do_recognize_by_name): New virtual function.
 479         (Target_selector::instantiate_target): New private function.
 480         (supported_target_names): Declare.
 481         * target-select.cc (Target_selector::Target_selector): Update for
 482         new parameter and fields.
 483         (select_target_by_name): Check that the name matches before
 484         calling recognize_by_name.
 485         (supported_target_names): New function.
 486         * i386.cc (class Target_selector_i386): Update Target_selector
 487         constructor call.  Remove recognize and recognize_by_name.  Add
 488         do_instantiate_target.
 489         * x86_64.cc (class Target_selector_x86_64): Likewise.
 490         * testsuite/testfile.cc (class Target_selector_test): Update for
 491         changes to Target_selector.
 492
 493         * README: Rewrite, with some notes on unsupported features.
 494
 495 2008-03-24  Cary Coutant  <ccoutant@google.com>
 496
 497         * i386.cc (Target_i386::Got_type): New enum declaration.
 498         (Target_i386::Scan::local): Updated callers of Output_data_got
 499         member functions.
 500         (Target_i386::Scan::global): Likewise.
 501         (Target_i386::Relocate::relocate): Likewise.
 502         (Target_i386::Relocate::relocate_tls): Likewise.
 503         * object.h (Got_offset_list): New class.
 504         (Sized_relobj::local_has_got_offset): Added got_type parameter.
 505         (Sized_relobj::local_got_offset): Likewise.
 506         (Sized_relobj::set_local_got_offset): Likewise.
 507         (Sized_relobj::local_has_tls_got_offset): Removed.
 508         (Sized_relobj::local_tls_got_offset): Removed.
 509         (Sized_relobj::set_local_tls_got_offset): Removed.
 510         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
 511         * output.cc (Output_data_got::add_global): Added got_type parameter.
 512         (Output_data_got::add_global_with_rel): Likewise.
 513         (Output_data_got::add_global_with_rela): Likewise.
 514         (Output_data_got::add_global_pair_with_rel): New function.
 515         (Output_data_got::add_global_pair_with_rela): New function.
 516         (Output_data_got::add_local): Added got_type parameter.
 517         (Output_data_got::add_local_with_rel): Likewise.
 518         (Output_data_got::add_local_with_rela): Likewise.
 519         (Output_data_got::add_local_pair_with_rel): New function.
 520         (Output_data_got::add_local_pair_with_rela): New function.
 521         (Output_data_got::add_global_tls): Removed.
 522         (Output_data_got::add_global_tls_with_rel): Removed.
 523         (Output_data_got::add_global_tls_with_rela): Removed.
 524         (Output_data_got::add_local_tls): Removed.
 525         (Output_data_got::add_local_tls_with_rel): Removed.
 526         (Output_data_got::add_local_tls_with_rela): Removed.
 527         * output.h (Output_data_got::add_global): Added got_type parameter.
 528         (Output_data_got::add_global_with_rel): Likewise.
 529         (Output_data_got::add_global_with_rela): Likewise.
 530         (Output_data_got::add_global_pair_with_rel): New function.
 531         (Output_data_got::add_global_pair_with_rela): New function.
 532         (Output_data_got::add_local): Added got_type parameter.
 533         (Output_data_got::add_local_with_rel): Likewise.
 534         (Output_data_got::add_local_with_rela): Likewise.
 535         (Output_data_got::add_local_pair_with_rel): New function.
 536         (Output_data_got::add_local_pair_with_rela): New function.
 537         (Output_data_got::add_global_tls): Removed.
 538         (Output_data_got::add_global_tls_with_rel): Removed.
 539         (Output_data_got::add_global_tls_with_rela): Removed.
 540         (Output_data_got::add_local_tls): Removed.
 541         (Output_data_got::add_local_tls_with_rel): Removed.
 542         (Output_data_got::add_local_tls_with_rela): Removed.
 543         * resolve.cc (Symbol::override_base_with_special): Removed
 544         reference to has_got_offset_ field.
 545         * symtab.cc (Symbol::init_fields): Replaced initialization
 546         of got_offset_ with got_offsets_.  Removed initialization
 547         of has_got_offset_
 548         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
 549         (Symbol::got_offset): Likewise.
 550         (Symbol::set_got_offset): Likewise.
 551         (Symbol::has_tls_got_offset): Removed.
 552         (Symbol::tls_got_offset): Removed.
 553         (Symbol::set_tls_got_offset): Removed.
 554         (Symbol::got_offset_): Removed.
 555         (Symbol::tls_mod_got_offset_): Removed.
 556         (Symbol::tls_pair_got_offset_): Removed.
 557         (Symbol::got_offsets_): New field.
 558         (Symbol::has_got_offset): Removed.
 559         (Symbol::has_tls_mod_got_offset): Removed.
 560         (Symbol::has_tls_pair_got_offset): Removed.
 561         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
 562         (Target_x86_64::Scan::local): Updated callers of Output_data_got
 563         member functions.
 564         (Target_x86_64::Scan::global): Likewise.
 565         (Target_x86_64::Relocate::relocate): Likewise.
 566         (Target_x86_64::Relocate::relocate_tls): Likewise.
 567
 568 2008-03-25  Ben Elliston  <bje@au.ibm.com>
 569
 570         * yyscript.y: Fix spelling error in comment.
 571
 572 2008-03-24  Ian Lance Taylor  <iant@google.com>
 573
 574         * options.h (class General_options): Define build_id option.
 575         * layout.h (class Layout): Declare write_build_id, create_note,
 576         create_build_id.  Add build_id_note_ member.
 577         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
 578         "libiberty.h", "md5.h", "sha1.h".
 579         (Layout::Layout): Initialize eh_frame_data_,
 580         eh_frame_hdr_section_, and build_id_note_.
 581         (Layout::finalize): Call create_build_id.
 582         (Layout::create_note): New function, broken out of
 583         Layout::create_gold_note.
 584         (Layout::create_gold_note): Call create_note.
 585         (Layout::create_build_id): New function.
 586         (Layout::write_build_id): New function.
 587         (Close_task_runner::run): Call write_build_id.
 588
 589         * x86_64.cc: Correct license to GPLv3.
 590
 591 2008-03-23  Ian Lance Taylor  <iant@google.com>
 592
 593         * options.cc: Include "demangle.h".
 594         (parse_optional_string): New function.
 595         (parse_long_option): Handle takes_optional_argument.
 596         (parse_short_option): Update dash_z initializer.  Handle
 597         takes_optional_argument.
 598         (General_options::General_options): Initialize do_demangle_.
 599         (General_options::finalize): Set do_demangle_.  Handle demangling
 600         style.
 601         * options.h (parse_optional_string): Declare.
 602         (struct One_option): Add optional_arg field.  Update constructor.
 603         Update call constructor calls.  Add takes_optional_argument
 604         function.
 605         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
 606         (DEFINE_optional_string): Define.
 607         (General_options::demangle): Change from DEFINE_bool to
 608         DEFINE_optional_string.
 609         (General_options::no_demangle): New function.
 610         (General_options::do_demangle): New function.
 611         (General_options::set_do_demangle): New function.
 612         (General_options::execstack_status_): Move definition to end of
 613         class definition.
 614         (General_options::static_): Likewise.
 615         (General_options::do_demangle_): New field.
 616         * object.cc (big_endian>::get_symbol_location_info): Call
 617         Options::do_demangle, not Options::demangle.
 618         * symtab.cc (demangle): Likewise.
 619
 620 2008-03-22  Ian Lance Taylor  <iant@google.com>
 621
 622         * gold.h: Include <cstddef> and <sys/types.h>
 623         * options.h: Include <cstring>.
 624
 625 2008-03-21  Ian Lance Taylor  <iant@google.com>
 626
 627         * Added source code to GNU binutils.
 628