gold/ChangeLog

   1 2008-04-15  Ian Lance Taylor  <iant@google.com>
   2
   3         * script-sections.cc (Script_sections::create_segments): Use
   4         header_size_adjustment even when there is enough room for the
   5         headers.
   6         * testsuite/script_test_4.sh: New file.
   7         * testsuite/script_test_4.t: New file.
   8         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
   9         (check_DATA): Add script_test_4.stdout.
  10         (MOSTLYCLEANFILES): Likewise.
  11         (script_test_4): New target.
  12         (script_test_4.stdout): New target.
  13         * testsuite/Makefile.in: Rebuild.
  14
  15         * sparc.cc: Add definitions for Output_data_plt_sparc class
  16         constants.
  17
  18 2008-04-14  David S. Miller  <davem@davemloft.net>
  19
  20         * sparc.cc: New file.
  21         * Makefile.am (TARGETSOURCES): Add sparc.cc
  22         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
  23         * configure.tgt: Document targ_extra_size and
  24         targ_extra_big_endian.  Add entries for sparc-* and
  25         sparc64-*.
  26         * configure.ac: Handle targ_extra_size and
  27         targ_extra_big_endian.
  28         * Makefile.in: Rebuild.
  29         * configure: Likewise.
  30         * po/POTFILES.in: Likewise.
  31         * po/gold.pot: Likewise.
  32
  33 2008-04-14  Ian Lance Taylor  <iant@google.com>
  34
  35         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
  36         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
  37         in the name/type/flags to section mapping.  Don't call
  38         allocate_output_section.
  39         (Layout::choose_output_section): Change parameter from adjust_name
  40         to is_input_section.  Don't permit input sections after sections
  41         are attached to segments.  Don't call allocate_output_section.
  42         (Layout::layout_eh_frame): Call update_flags_for_input_section,
  43         not write_enable_output_section.
  44         (Layout::make_output_section): Don't push to
  45         unattached_section_list_ nor call attach_to_segment.  Call
  46         attach_section_to_segment if sections are attached.
  47         (Layout::attach_sections_to_segments): New function.
  48         (Layout::attach_section_to_segment): New function.
  49         (Layout::attach_allocated_section_to_segment): Rename from
  50         attach_to_segment.  Remove flags parameter.
  51         (Layout::allocate_output_section): Remove function.
  52         (Layout::write_enable_output_section): Remove function.
  53         * layout.h (class Layout): Update for above changes.  Add new
  54         field sections_are_attached_.
  55         * output.h (Output_section::update_flags_for_input_section): New
  56         function.
  57         * output.cc (Output_section::add_input_section): Call
  58         update_flags_for_input_section.
  59         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
  60
  61 2008-04-11  Cary Coutant  <ccoutant@google.com>
  62
  63         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
  64         thought unnecessary.
  65         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
  66
  67 2008-04-11  Ian Lance Taylor  <iant@google.com>
  68
  69         * output.h (class Output_section_data): Remove inline definition
  70         of set_addralign.
  71         * output.cc (Output_section_data::set_addralign): New function.
  72
  73 2008-04-11  Cary Coutant  <ccoutant@google.com>
  74
  75         Add support for TLS descriptors for i386 and x86_64.
  76         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
  77         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
  78         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
  79         GOT_TYPE_TLS_DESC.
  80         (Target_i386::got_mod_index_entry): Remove unnecessary code.
  81         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
  82         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
  83         relocations.
  84         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
  85         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
  86         Fix problem with initial-exec relocations.
  87         (Target_i386::Relocate::relocate_tls): Likewise.
  88         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
  89         relaxation.
  90         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
  91         support for section-plus-offset dynamic table entries.
  92         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
  93         (Output_data_dynamic::Dynamic_entry): Add support for
  94         section-plus-offset dynamic table entries.
  95         (Output_data_dynamic::Classification): Likewise.
  96         (Output_data_dynamic::classification_): Renamed offset_.
  97         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
  98         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
  99         (Target_x86_64::make_plt_section): New function.
 100         (Target_x86_64::reserve_tlsdesc_entries): New function.
 101         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
 102         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
 103         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
 104         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
 105         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
 106         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
 107         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
 108         add extra PLT entry for TLS descriptors.
 109         (Output_data_plt_x86_64::got_): New field.
 110         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
 111         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
 112         fields.
 113         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
 114         descriptors.
 115         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
 116         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
 117         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
 118         R_386_TLS_DESC_CALL relocations.
 119         (Target_x86_64::Scan::global): Likewise.
 120         (Target_x86_64::do_finalize_sections): Add dynamic table entries
 121         for TLS descriptors.
 122         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
 123         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
 124         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
 125         GD-to-IE relaxation.
 126         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
 127         and TLS_DESCRIPTORS.
 128         * Makefile.in: Rebuild.
 129         * configure: Rebuild.
 130         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
 131         (tls_test_shared2.so): New target.
 132         (tls_shared_gd_to_ie_test_SOURCES): New variable.
 133         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
 134         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
 135         (tls_shared_gd_to_ie_test_LDADD): New variable.
 136         (tls_shared_gnu2_gd_to_ie_test): New target.
 137         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
 138         New targets.
 139         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
 140         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
 141         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
 142         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
 143         (tls_shared_gnu2_test): New target.
 144         (tls_test_gnu2_shared.so): New target.
 145         (tls_shared_gnu2_test_SOURCES): New variable.
 146         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
 147         (tls_shared_gnu2_test_LDFLAGS): New variable.
 148         (tls_shared_gnu2_test_LDADD): New variable.
 149         * testsuite/Makefile.in: Rebuild.
 150         * testsuite/Makefile.
 151
 152 2008-04-11  Ian Lance Taylor  <iant@google.com>
 153
 154         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
 155         justsyms.t.
 156         * testsuite/Makefile.in: Rebuild.
 157
 158         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
 159         long.
 160         * testsuite/script_test_2.cc (main): Adjust test.
 161
 162 2008-04-11  David S. Miller  <davem@davemloft.net>
 163             Ian Lance Taylor  <iant@google.com>
 164
 165         * options.h (General_options): Add entries for '-Y' and
 166         '-relax'.
 167         * options.cc (General_options:finalize): If -Y was used, add those
 168         entries to the library path instead of the default "/lib" and
 169         "/usr/lib".
 170
 171 2008-04-11  David S. Miller  <davem@davemloft.net>
 172
 173         * testsuite/justsyms.t: Start at 0x100.
 174         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
 175         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
 176         long.
 177         * testsuite/script_test_2.cc: Adjust string and section length
 178         checks.
 179
 180 2008-04-09  Ian Lance Taylor  <iant@google.com>
 181
 182         PR gold/5996
 183         * script-sections.cc (Sections_element::allocate_to_segment): Add
 184         orphan parameter.
 185         (Output_section_definition::allocate_to_segment): Likewise.
 186         (Orphan_output_section::allocate_to_segment): Likewise.
 187         (Script_sections::attach_sections_using_phdrs_clause): Don't
 188         propagate non-PT_LOAD segments to orphan sections.
 189         * testsuite/Makefile.am (script_test_3.stdout): Generate using
 190         readelf rather than objdump.
 191         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
 192         .interp section and PT_INTERP segment are the same size.
 193         * testsuite/Makefile.in: Rebuild.
 194
 195         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
 196         aliases for symbols defined in the same object.
 197         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
 198         (weak_alias_test_SOURCES): New variable.
 199         (weak_alias_test_DEPENDENCIES): New variable.
 200         (weak_alias_test_LDFLAGS): New variable.
 201         (weak_alias_test_LDADD): New variable.
 202         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
 203         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
 204         (weak_alias_test_3.o): New target.
 205         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
 206         * testsuite/weak_alias_test_main.cc: New file.
 207         * testsuite/weak_alias_test_1.cc: New file.
 208         * testsuite/weak_alias_test_2.cc: New file.
 209         * testsuite/weak_alias_test_3.cc: New file.
 210
 211 2008-04-08  Ian Lance Taylor  <iant@google.com>
 212
 213         * options.h (class General_options): Add --noinhibit-exec option.
 214         * main.cc (main): Check --noinhibit-exec.
 215
 216         * options.h (class General_options): Define --wrap as a special
 217         option.  Add wrap_symbols_ field.
 218         (General_options::any_wrap_symbols): New function.
 219         (General_options::is_wrap_symbol): New function.
 220         * options.cc (General_options::parse_wrap): New function.
 221         (General_options::General_options): Initialize wrap_symbols_.
 222         * symtab.cc (Symbol_table::wrap_symbol): New function.
 223         (Symbol_table::add_from_object): Handle --wrap.
 224         * symtab.h (class Symbol_table): Declare wrap_symbol.
 225         * target.h (Target::wrap_char): New function.
 226         (Target::Target_info): Add wrap_char field.
 227         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
 228         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 229         * testsuite/testfile.cc (Target_test::test_target_info):
 230         Likewise.
 231
 232         * errors.cc (Errors::undefined_symbol): Mention symbol version if
 233         there is one.
 234
 235         * layout.h (class Layout): Add added_eh_frame_data_ field.
 236         * layout.cc (Layout::Layout): Initialize new field.
 237         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
 238         output section until we find a section we merged successfully.
 239         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
 240         that the size be non-zero.
 241
 242         * merge.cc (Object_merge_map::get_output_offset): Remove inline
 243         qualifier.
 244
 245 2008-04-08  Craig Silverstein  <csilvers@google.com>
 246
 247         * configure.ac: Export new conditional variable HAVE_ZLIB.
 248         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
 249         on HAVE_ZLIB.
 250         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
 251         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 252
 253 2008-04-07  Ian Lance Taylor  <iant@google.com>
 254
 255         * version.cc (version_string): Set to "1.5".
 256
 257         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
 258         Add issued_non_pic_error_ field.  Declare check_non_pic.
 259         (Target_x86_64::Scan::check_non_pic): New function.
 260         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
 261         (Target_x86_64::Scan::global): Likewise.
 262
 263         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
 264         addend parameter.  Change caller.  Handle merge sections.
 265         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
 266         Address to Addend.  Don't add in the result of
 267         local_section_offset, pass down the addend and use the returned
 268         value.
 269         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
 270         Update declarations of local_section_offset and symbol_value.
 271         * testsuite/two_file_test_1.cc (t18): New function.
 272         * testsuite/two_file_test_2.cc (f18): New function.
 273         * testsuite/two_file_test_main.cc (main): Call t18.
 274         * testsuite/two_file_test.h (t18, f18): Declare.
 275
 276         * configure.ac: Don't test for objdump, c++filt, or readelf.
 277         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
 278         conditionals.
 279         (TEST_READELF): New variable.
 280         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
 281         (check_PROGRAMS): Add two_file_strip_test.
 282         (two_file_strip_test): New target.
 283         (check_PROGRAMS): Add two_file_same_shared_strip_test.
 284         (two_file_same_shared_strip_test_SOURCES): New variable.
 285         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
 286         (two_file_same_shared_strip_test_LDFLAGS): New variable.
 287         (two_file_same_shared_strip_test_LDADD): New variable.
 288         (two_file_shared_strip.so): New target.
 289         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
 290         (ver_test_5.syms, ver_test_7.syms): Likewise.
 291         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
 292         (strip_test_3.stdout): Use TEST_OBJDUMP.
 293         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 294
 295 2008-04-04  Cary Coutant  <ccoutant@google.com>
 296
 297         * symtab.h (Symbol::is_weak_undefined): New function.
 298         (Symbol::is_strong_undefined): New function.
 299         (Symbol::is_absolute): New function.
 300         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
 301         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
 302         absolute symbols.
 303         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
 304         (weak_undef_test): New target.
 305         * testsuite/Makefile.in: Rebuild.
 306         * testsuite/weak_undef_file1.cc: New file.
 307         * testsuite/weak_undef_file2.cc: New file.
 308         * testsuite/weak_undef_test.cc: New file.
 309
 310 2008-04-03  Craig Silverstein  <csilvers@google.com>
 311
 312         * compressed_output.h (class Output_compressed_section): Use
 313         unsigned buffer.
 314         * compressed_output.cc (zlib_compress): Use unsigned buffers,
 315         add zlib header.
 316         (zlib_compressed_suffix): Removed.
 317         (Output_compressed_section::set_final_data_size): Use unsigned
 318         buffers.
 319         * testsuite/Makefile.am (flagstest_compress_debug_sections):
 320         Fix linker invocation.
 321         (flagstest_o_specialfile_and_compress_debug_sections):
 322         Likewise.
 323         * testsuite/Makefile.in: Regenerated.
 324
 325 2008-04-02  David S. Miller  <davem@davemloft.net>
 326
 327         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
 328         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
 329
 330 2008-04-02  Craig Silverstein  <csilvers@google.com>
 331
 332         * TODO: New file.
 333
 334 2008-04-02  Ian Lance Taylor  <iant@google.com>
 335
 336         * fileread.cc (File_read::find_view): Add byteshift and vshifted
 337         parameters.  Update for new key type to views_.  Change all
 338         callers.
 339         (File_read::read): Adjust for byteshift in returned view.
 340         (File_read::add_view): New function, broken out of
 341         find_and_make_view.
 342         (File_read::make_view): New function, broken out of
 343         find_and_make_view.
 344         (File_read::find_or_make_view): Add offset and aligned
 345         parameters.  Rewrite accordingly.  Change all callers.
 346         (File_read::get_view): Add offset and aligned parameters.  Adjust
 347         for byteshift in return value.
 348         (File_read::get_lasting_view): Likewise.
 349         * fileread.h (class File_read): Update declarations.
 350         (class File_read::View): Add byteshift_ field.  Add byteshift to
 351         constructor.  Add byteshift method.
 352         * archive.h (Archive::clear_uncached_views): New function.
 353         (Archive::get_view): Add aligned parameter.  Change all callers.
 354         * object.h (Object::get_view): Add aligned parameter.  Change all
 355         callers.
 356         (Object::get_lasting_view): Likewise.
 357
 358         * fileread.cc (File_read::release): Don't call clear_views if
 359         there are multiple objects.
 360         * fileread.h (File_read::clear_uncached_views): New function.
 361         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
 362         on the archive.
 363
 364 2008-03-31  Cary Coutant  <ccoutant@google.com>
 365
 366         Add thin archive support.
 367         * archive.cc (Archive::armagt): New const.
 368         (Archive::setup): Remove task parameter and calls to unlock.
 369         (Archive::unlock_nested_archives): New function.
 370         (Archive::read_header): Add nested_off parameter. Change
 371         all callers.
 372         (Archive::interpret_header): Likewise.
 373         (Archive::include_all_members): Change to handle thin
 374         archives.
 375         (Archive::include_member): Likewise.
 376         * archive.h (Archive::Archive): Add new parameters and
 377         initializers.
 378         (Archive::armagt): New const.
 379         (Archive::setup): Remove task parameter.
 380         (Archive::unlock_nested_archives): New function.
 381         (Archive::read_header): Add nested_off parameter.
 382         (Archive::interpret_header): Likewise.
 383         (Archive::Nested_archive_table): New typedef.
 384         (Archive::is_thin_archive_): New field.
 385         (Archive::nested_archives_): New field.
 386         (Archive::options_): New field.
 387         (Archive::dirpath_): New field.
 388         (Archive::task_): New field.
 389         * readsyms.cc (Read_symbols::do_read_symbols): Add check
 390         for thin archives.  Pass additional parameters to
 391         Archive::Archive.  Unlock the archive file after calling
 392         Archive::setup.
 393
 394 2008-03-29  Ian Lance Taylor  <iant@google.com>
 395
 396         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
 397         version symbol to be local.
 398         * testsuite/ver_test_4.sh: New file.
 399         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
 400         (check_DATA): Add ver_test_4.syms.
 401         (ver_test_4.syms): New target.
 402         * testsuite/Makefile.in: Rebuild.
 403
 404         * output.cc
 405         (Output_section::Input_section_sort_entry::has_priority): New
 406         function.
 407         (Output_section::Input_section_sort_entry::match_file_name): New
 408         function.
 409         (Output_section::Input_section_sort_entry::match_section_name):
 410         Remove.
 411         (Output_section::Input_section_sort_entry::match_section_name_prefix):
 412         Remove.
 413         (Output_section::Input_section_sort_entry::match_section_file):
 414         Remove.
 415         (Output_section::Input_section_sort_compare::operator()): Rewrite
 416         using new Input_section_sort_entry functions.  Sort crtbegin and
 417         crtend first.  Sort sections with no priority before sections with
 418         a priority.
 419         * testsuite/initpri1.c (d3): Check j != 4.
 420         (cd5): New constructor/destructor function.
 421         (main): Check j != 2.
 422
 423         * symtab.cc (Symbol_table::add_from_object): If we don't use the
 424         new symbol when resolving, don't call set_is_default.
 425         * testsuite/ver_test_7.cc: New file.
 426         * testsuite/ver_test_7.sh: New file.
 427         * testsuite/Makefile.am (ver_test_7.so): New target.
 428         (ver_test_7.o): New target.
 429         (check_SCRIPTS): Add ver_test_7.sh.
 430         (check_DATA): Add ver_test_7.syms.
 431         (ver_test_7.syms): New target.
 432
 433 2008-03-28  Ian Lance Taylor  <iant@google.com>
 434
 435         * layout.cc (Layout::layout): If we see an input section with a
 436         name that needs sorting, set the must_sort flag for the output
 437         section.
 438         (Layout::make_output_section): If the name of the output section
 439         indicates that it might require sorting, set the may_sort flag.
 440         * output.h (Output_section::may_sort_attached_input_sections): New
 441         function.
 442         (Output_section::set_may_sort_attached_input_sections): New
 443         function.
 444         (Output_section::must_sort_attached_input_sections): New
 445         function.
 446         (Output_section::set_must_sort_attached_input_sections): New
 447         function.
 448         (class Output_section): Declare Input_section_sort_entry.  Define
 449         Input_section_sort_compare.  Declare
 450         sort_attached_input_sections.  Add new fields:
 451         may_sort_attached_input_sections_,
 452         must_sort_attached_input_sections_,
 453         attached_input_sections_are_sorted_.
 454         * output.cc (Output_section::Output_section): Initialize new
 455         fields.
 456         (Output_section::add_input_section): Add an entry to
 457         input_sections_ if may_sort or must_sort are true.
 458         (Output_section::set_final_data_size): Call
 459         sort_attached_input_sections if necessary.
 460         (Output_section::Input_section_sort_entry): Define new class.
 461         (Output_section::Input_section_sort_compare::operator()): New
 462         function.
 463         (Output_section::sort_attached_input_sections): New function.
 464         * configure.ac: Check whether the compiler supports constructor
 465         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
 466         * testsuite/initpri1.c: New file.
 467         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
 468         CONSTRUCTOR_PRIORITY.
 469         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
 470         (initpri1_LDFLAGS): New variable.
 471         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 472
 473 2008-03-27  Ian Lance Taylor  <iant@google.com>
 474
 475         * common.cc (Sort_commons::operator): Correct sorting algorithm.
 476         * testsuite/common_test_1.c: New file.
 477         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
 478         (common_test_1_SOURCES): New variable.
 479         (common_test_1_DEPENDENCIES): New variable.
 480         (common_test_1_LDFLAGS): New variable.
 481
 482         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
 483         and commons_ correctly when NAME/VERSION does not override
 484         NAME/NULL.
 485         * testsuite/ver_test_6.c: New file.
 486         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
 487         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
 488         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
 489
 490 2008-03-26  Ian Lance Taylor  <iant@google.com>
 491
 492         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
 493         of an undefined symbol from a version script.
 494         * testsuite/Makefile.am (ver_test_5.so): New target.
 495         (ver_test_5.o): New target.
 496         (check_SCRIPTS): Add ver_test_5.sh.
 497         (check_DATA): Add ver_test_5.syms.
 498         (ver_test_5.syms): New target.
 499         * testsuite/ver_test_5.cc: New file.
 500         * testsuite/ver_test_5.script: New file.
 501         * testsuite/ver_test_5.sh: New file.
 502         * Makefile.in, testsuite/Makefile.in: Rebuild.
 503
 504         PR gold/5986
 505         Fix problems building gold with gcc 4.3.0.
 506         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
 507         (gold_error_at_location, gold_warning_at_location): Use it.
 508         * configure.ac: Check whether we can compile and use a template
 509         function with a printf attribute.
 510         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
 511         when jumping over bytes.
 512         * object.cc: Instantiate Object::read_section_data.
 513         * debug.h: Include <cstring>
 514         * dwarf_reader.cc: Include <algorithm>
 515         * main.cc: Include <cstring>.
 516         * options.cc: Include <cstring>.
 517         * output.cc: Include <cstring>.
 518         * script.cc: Include <cstring>.
 519         * script.h: Include <string>.
 520         * symtab.cc: Include <cstring> and <algorithm>.
 521         * target-select.cc: Include <cstring>.
 522         * version.cc: Include <string>.
 523         * testsuite/testmain.cc: Include <cstdlib>.
 524         * configure, config.in: Rebuild.
 525
 526 2008-03-25  Ian Lance Taylor  <iant@google.com>
 527
 528         * options.cc: Include "../bfd/bfdver.h".
 529         (options::help): Print bug reporting address.
 530
 531         * version.cc (print_version): Adjust output for current value of
 532         BFD_VERSION_STRING.
 533
 534         * NEWS: New file.
 535
 536         * options.cc (options::help): Print list of supported targets.
 537         * target-select.h: Include <vector>.
 538         (class Target_selector): Make machine_, size_, and is_big_endian_
 539         fields const.  Add bfd_name_ and instantiated_target_ fields.
 540         (Target_selector::Target_selector): Add bfd_name parameter.
 541         (Target_selector::recognize): Make non-virtual, call
 542         do_recognize.
 543         (Target_selector::recognize_by_name): Make non-virtual, call
 544         do_recognize_by_name.
 545         (Target_selector::supported_names): New function.
 546         (Target_selector::bfd_name): New function.
 547         (Target_selector::do_instantiate_target): New pure virtual
 548         function.
 549         (Target_selector::do_recognize): New virtual function.
 550         (Target_selector::do_recognize_by_name): New virtual function.
 551         (Target_selector::instantiate_target): New private function.
 552         (supported_target_names): Declare.
 553         * target-select.cc (Target_selector::Target_selector): Update for
 554         new parameter and fields.
 555         (select_target_by_name): Check that the name matches before
 556         calling recognize_by_name.
 557         (supported_target_names): New function.
 558         * i386.cc (class Target_selector_i386): Update Target_selector
 559         constructor call.  Remove recognize and recognize_by_name.  Add
 560         do_instantiate_target.
 561         * x86_64.cc (class Target_selector_x86_64): Likewise.
 562         * testsuite/testfile.cc (class Target_selector_test): Update for
 563         changes to Target_selector.
 564
 565         * README: Rewrite, with some notes on unsupported features.
 566
 567 2008-03-24  Cary Coutant  <ccoutant@google.com>
 568
 569         * i386.cc (Target_i386::Got_type): New enum declaration.
 570         (Target_i386::Scan::local): Updated callers of Output_data_got
 571         member functions.
 572         (Target_i386::Scan::global): Likewise.
 573         (Target_i386::Relocate::relocate): Likewise.
 574         (Target_i386::Relocate::relocate_tls): Likewise.
 575         * object.h (Got_offset_list): New class.
 576         (Sized_relobj::local_has_got_offset): Added got_type parameter.
 577         (Sized_relobj::local_got_offset): Likewise.
 578         (Sized_relobj::set_local_got_offset): Likewise.
 579         (Sized_relobj::local_has_tls_got_offset): Removed.
 580         (Sized_relobj::local_tls_got_offset): Removed.
 581         (Sized_relobj::set_local_tls_got_offset): Removed.
 582         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
 583         * output.cc (Output_data_got::add_global): Added got_type parameter.
 584         (Output_data_got::add_global_with_rel): Likewise.
 585         (Output_data_got::add_global_with_rela): Likewise.
 586         (Output_data_got::add_global_pair_with_rel): New function.
 587         (Output_data_got::add_global_pair_with_rela): New function.
 588         (Output_data_got::add_local): Added got_type parameter.
 589         (Output_data_got::add_local_with_rel): Likewise.
 590         (Output_data_got::add_local_with_rela): Likewise.
 591         (Output_data_got::add_local_pair_with_rel): New function.
 592         (Output_data_got::add_local_pair_with_rela): New function.
 593         (Output_data_got::add_global_tls): Removed.
 594         (Output_data_got::add_global_tls_with_rel): Removed.
 595         (Output_data_got::add_global_tls_with_rela): Removed.
 596         (Output_data_got::add_local_tls): Removed.
 597         (Output_data_got::add_local_tls_with_rel): Removed.
 598         (Output_data_got::add_local_tls_with_rela): Removed.
 599         * output.h (Output_data_got::add_global): Added got_type parameter.
 600         (Output_data_got::add_global_with_rel): Likewise.
 601         (Output_data_got::add_global_with_rela): Likewise.
 602         (Output_data_got::add_global_pair_with_rel): New function.
 603         (Output_data_got::add_global_pair_with_rela): New function.
 604         (Output_data_got::add_local): Added got_type parameter.
 605         (Output_data_got::add_local_with_rel): Likewise.
 606         (Output_data_got::add_local_with_rela): Likewise.
 607         (Output_data_got::add_local_pair_with_rel): New function.
 608         (Output_data_got::add_local_pair_with_rela): New function.
 609         (Output_data_got::add_global_tls): Removed.
 610         (Output_data_got::add_global_tls_with_rel): Removed.
 611         (Output_data_got::add_global_tls_with_rela): Removed.
 612         (Output_data_got::add_local_tls): Removed.
 613         (Output_data_got::add_local_tls_with_rel): Removed.
 614         (Output_data_got::add_local_tls_with_rela): Removed.
 615         * resolve.cc (Symbol::override_base_with_special): Removed
 616         reference to has_got_offset_ field.
 617         * symtab.cc (Symbol::init_fields): Replaced initialization
 618         of got_offset_ with got_offsets_.  Removed initialization
 619         of has_got_offset_
 620         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
 621         (Symbol::got_offset): Likewise.
 622         (Symbol::set_got_offset): Likewise.
 623         (Symbol::has_tls_got_offset): Removed.
 624         (Symbol::tls_got_offset): Removed.
 625         (Symbol::set_tls_got_offset): Removed.
 626         (Symbol::got_offset_): Removed.
 627         (Symbol::tls_mod_got_offset_): Removed.
 628         (Symbol::tls_pair_got_offset_): Removed.
 629         (Symbol::got_offsets_): New field.
 630         (Symbol::has_got_offset): Removed.
 631         (Symbol::has_tls_mod_got_offset): Removed.
 632         (Symbol::has_tls_pair_got_offset): Removed.
 633         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
 634         (Target_x86_64::Scan::local): Updated callers of Output_data_got
 635         member functions.
 636         (Target_x86_64::Scan::global): Likewise.
 637         (Target_x86_64::Relocate::relocate): Likewise.
 638         (Target_x86_64::Relocate::relocate_tls): Likewise.
 639
 640 2008-03-25  Ben Elliston  <bje@au.ibm.com>
 641
 642         * yyscript.y: Fix spelling error in comment.
 643
 644 2008-03-24  Ian Lance Taylor  <iant@google.com>
 645
 646         * options.h (class General_options): Define build_id option.
 647         * layout.h (class Layout): Declare write_build_id, create_note,
 648         create_build_id.  Add build_id_note_ member.
 649         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
 650         "libiberty.h", "md5.h", "sha1.h".
 651         (Layout::Layout): Initialize eh_frame_data_,
 652         eh_frame_hdr_section_, and build_id_note_.
 653         (Layout::finalize): Call create_build_id.
 654         (Layout::create_note): New function, broken out of
 655         Layout::create_gold_note.
 656         (Layout::create_gold_note): Call create_note.
 657         (Layout::create_build_id): New function.
 658         (Layout::write_build_id): New function.
 659         (Close_task_runner::run): Call write_build_id.
 660
 661         * x86_64.cc: Correct license to GPLv3.
 662
 663 2008-03-23  Ian Lance Taylor  <iant@google.com>
 664
 665         * options.cc: Include "demangle.h".
 666         (parse_optional_string): New function.
 667         (parse_long_option): Handle takes_optional_argument.
 668         (parse_short_option): Update dash_z initializer.  Handle
 669         takes_optional_argument.
 670         (General_options::General_options): Initialize do_demangle_.
 671         (General_options::finalize): Set do_demangle_.  Handle demangling
 672         style.
 673         * options.h (parse_optional_string): Declare.
 674         (struct One_option): Add optional_arg field.  Update constructor.
 675         Update call constructor calls.  Add takes_optional_argument
 676         function.
 677         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
 678         (DEFINE_optional_string): Define.
 679         (General_options::demangle): Change from DEFINE_bool to
 680         DEFINE_optional_string.
 681         (General_options::no_demangle): New function.
 682         (General_options::do_demangle): New function.
 683         (General_options::set_do_demangle): New function.
 684         (General_options::execstack_status_): Move definition to end of
 685         class definition.
 686         (General_options::static_): Likewise.
 687         (General_options::do_demangle_): New field.
 688         * object.cc (big_endian>::get_symbol_location_info): Call
 689         Options::do_demangle, not Options::demangle.
 690         * symtab.cc (demangle): Likewise.
 691
 692 2008-03-22  Ian Lance Taylor  <iant@google.com>
 693
 694         * gold.h: Include <cstddef> and <sys/types.h>
 695         * options.h: Include <cstring>.
 696
 697 2008-03-21  Ian Lance Taylor  <iant@google.com>
 698
 699         * Added source code to GNU binutils.
 700