gold/ChangeLog

   1 2008-04-30  Cary Coutant  <ccoutant@google.com>
   2
   3         * layout.cc (Layout::include_section): Refactored check for debug
   4         info section.
   5         (Layout::add_comdat): Add new parameters.  Change type
   6         of signature parameter.  Add object and shndx to signatures table.
   7         (Layout::find_kept_object): New function.
   8         * layout.h: Include <cstring>.
   9         (Layout::is_debug_info_section): New function.
  10         (Layout::add_comdat): Add new parameters.
  11         (Layout::find_kept_object): New function.
  12         (Layout::Kept_section): New struct.
  13         (Layout::Signatures): Change type of map range.
  14         * object.cc (Relobj::output_section_address): New function.
  15         (Sized_relobj::include_section_group): Add new parameters.  Change
  16         calls to Layout::add_comdat.  Change to build table of kept comdat
  17         groups and table mapping discarded sections to kept sections.
  18         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
  19         (Sized_relobj::do_layout): Change calls to include_section_group and
  20         include_linkonce_section.
  21         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
  22         value to zero when section is discarded.
  23         (Sized_relobj::map_to_kept_section): New function.
  24         * object.h (Relobj::output_section_address): New function.
  25         (Relobj::Comdat_group): New type.
  26         (Relobj::find_comdat_group): New function.
  27         (Relobj::Comdat_group_table): New type.
  28         (Relobj::Kept_comdat_section): New type.
  29         (Relobj::Kept_comdat_section_table): New type.
  30         (Relobj::add_comdat_group): New function.
  31         (Relobj::set_kept_comdat_section): New function.
  32         (Relobj::get_kept_comdat_section): New function.
  33         (Relobj::comdat_groups_): New field.
  34         (Relobj::kept_comdat_sections_): New field.
  35         (Symbol_value::input_value): Update comment.
  36         (Sized_relobj::map_to_kept_section) New function.
  37         (Sized_relobj::include_linkonce_section): Add new parameter.
  38         * target-reloc.h (Comdat_behavior): New type.
  39         (get_comdat_behavior): New function.
  40         (relocate_section): Add code to map a discarded section to the
  41         corresponding kept section when applying a relocation.
  42
  43 2008-04-30  Craig Silverstein  <csilvers@google.com>
  44
  45         * dwarf_reader.cc (next_generation_count): New static var.
  46         (Addr2line_cache_entry): New struct.
  47         (addr2line_cache): New static var.
  48         (Dwarf_line_info::one_addr2line): Added caching.
  49         (Dwarf_line_info::clear_addr2line_cache): New function.
  50         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
  51         cache-size parameter.
  52         (Dwarf_line_info::one_addr2line_cache): New function.
  53         * symtab.cc (Symbol_table::detect_odr_violations): Pass
  54         new cache-size argument to one_addr2line(), and clear cache.
  55
  56 2008-04-28  Cary Coutant  <ccoutant@google.com>
  57
  58         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
  59         R_386_PC8 relocations.
  60
  61 2008-04-23  Ian Lance Taylor  <iant@google.com>
  62
  63         * object.cc (Sized_relobj::include_section_group): Check for
  64         invalid section group.
  65
  66         * object.cc (make_elf_object): Correct test for 64-bit ELF file
  67         header size.
  68
  69         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
  70         than read for file header.
  71         * archive.cc (Archive::include_member): Likewise.
  72
  73 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
  74
  75         * aclocal.m4: Regenerate.
  76         * configure: Regenerate.
  77
  78 2008-04-19  Ian Lance Taylor  <iant@google.com>
  79
  80         * version.cc (version_string): Bump to 1.6.
  81
  82         * testsuite/Makefile.am (many_sections_r_test): New target.
  83         (many_sections_r_test_SOURCES): Remove.
  84         (many_sections_r_test_DEPENDENCIES): Remove.
  85         (many_sections_r_test_LDFLAGS): Remove.
  86         (many_sections_r_test_LDADD): Remove.
  87
  88         * object.cc (Sized_relobj::do_add_symbols): Always pass
  89         local_symbol_count_ to add_from_relobj.
  90
  91         * testsuite/Makefile.am (many_sections_check.h): Only check one in
  92         every thousand variables.
  93         * testsuite/Makefile.in: Rebuild.
  94
  95         * object.cc (Xindex::initialize_symtab_xindex): New function.
  96         (Xindex::read_symtab_xindex): New function.
  97         (Xindex::sym_xindex_to_shndx): New function.
  98         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
  99         available.
 100         (Sized_relobj::do_initialize_xindex): New function.
 101         (Sized_relobj::do_read_symbols): Adjust section links.
 102         (Sized_relobj::symbol_section_and_value): Add is_ordinary
 103         parameter.  Change all callers.
 104         (Sized_relobj::include_section_group): Adjust section links and
 105         symbol section indexes.
 106         (Sized_relobj::do_layout): Adjust section links.
 107         (Sized_relobj::do_count_local_symbols): Adjust section links and
 108         symbol section indexes.
 109         (Sized_relobj::do_finalize_local_symbols): Distinguish between
 110         ordinary and special symbols.
 111         (Sized_relobj::write_local_symbols): Add symtab_xindex and
 112         dynsym_xindex parameters.  Change all callers.  Adjust section
 113         links.  Use SHN_XINDEX when needed.
 114         (Sized_relobj::get_symbol_location_info): Adjust section links.
 115         Don't get fooled by special symbols.
 116         * object.h (class Xindex): Define.
 117         (class Object): Add xindex_ parameter.  Declare virtual functoin
 118         do_initialize_xindex.
 119         (Object::adjust_sym_shndx): New function.
 120         (Object::set_xindex): New protected function.
 121         (class Symbol_value): Add is_ordinary_shndx_ field.
 122         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
 123         (Symbol_value::value): Assert ordinary section.
 124         (Symbol_value::initialize_input_to_output_map): Likewise.
 125         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
 126         Change all callers.
 127         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
 128         all callers.
 129         (class Sized_relobj): Update declarations.
 130         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
 131         parameter.  Change all callers.
 132         (Sized_relobj::adjust_shndx): New function.
 133         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
 134         field.
 135         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
 136         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
 137         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
 138         (Sized_dynobj::read_dynsym_section): Adjust section links.
 139         (Sized_dynobj::read_dynamic): Likewise.
 140         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
 141         section links.
 142         (Sized_dynobj::do_initialize_xindex): New function.
 143         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
 144         do_initialize_xindex.
 145         (Sized_dynobj::adjust_shndx): New function.
 146         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
 147         dynsym_xindex_ fields.
 148         (Layout::finalize): Add a call to set_section_indexes before
 149         creating the symtab sections.
 150         (Layout::set_section_indexes): Don't do anything if the section
 151         already has a section index.
 152         (Layout::create_symtab_sections): Add shnum parameter.  Change
 153         caller.  Create .symtab_shndx section if needed.
 154         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
 155         caller.
 156         (Layout::allocated_output_section_count): New function.
 157         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
 158         needed.
 159         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
 160         fields.  Update declarations.
 161         (Layout::symtab_xindex): New function.
 162         (Layout::dynsym_xindex): New function.
 163         (class Write_symbols_task): Add layout_ field.
 164         (Write_symbols_task::Write_symbols_task): Add layout parameter.
 165         Change caller.
 166         * output.cc (Output_section_headers::Output_section_headers): Add
 167         shstrtab_section parameter.  Change all callers.
 168         (Output_section_headers::do_sized_write): Store overflow values
 169         for section count and section string table section index in
 170         section header zero.
 171         (Output_file_header::do_sized_write): Check for overflow of
 172         section count and section string table section index.
 173         (Output_symtab_xindex::do_write): New function.
 174         (Output_symtab_xindex::endian_do_write): New function.
 175         * output.h (class Output_section_headers): Add shstrtab_section_.
 176         Update declarations.
 177         (class Output_symtab_xindex): Define.
 178         (Output_section::has_out_shndx): New function.
 179         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
 180         field.
 181         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
 182         Change all callers.
 183         (Sized_symbol::init): Likewise.
 184         (Symbol::output_section): Check for ordinary symbol.
 185         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
 186         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
 187         callers.
 188         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
 189         Change all callers.  Simplify handling of symbols from sections
 190         not included in the link.
 191         (Symbol_table::add_from_dynobj): Handle ordinary symbol
 192         distinction.
 193         (Weak_alias_sorter::operator()): Assert that symbols are
 194         ordinary.
 195         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
 196         distinction.
 197         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
 198         parameters.  Change all callers.
 199         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
 200         symbol distinction.  Use SHN_XINDEX when needed.
 201         (Symbol_table::write_section_symbol): Add symtab_xindex
 202         parameter.  Change all callers.
 203         (Symbol_table::sized_write_section_symbol): Likewise.  Use
 204         SHN_XINDEX when needed.
 205         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
 206         declarations.
 207         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
 208         (Symbol::is_defined): Check is_ordinary.
 209         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
 210         (Symbol::is_absolute, Symbol::is_common): Likewise.
 211         (class Sized_symbol): Update declarations.
 212         (class Symbol_table): Update declarations.
 213         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
 214         parameters.  Change all callers.
 215         (Sized_symbol::override): Likewise.
 216         (Symbol_table::override): Likewise.
 217         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
 218         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
 219         is_ordinary, and orig_st_shndx parameters.  Change all callers.
 220         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
 221         to be in an ordinary section.
 222         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
 223         object and is_ordinary parameters.  Change all callers.
 224         (Sized_dwarf_line_info::read_relocs): Add object parameter.
 225         Change all callers.  Don't add undefined or non-ordinary symbols
 226         to reloc_map_.
 227         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
 228         Change all callers.
 229         * dwarf_reader.h (class Sized_dwarf_line_info): Update
 230         declarations.
 231         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
 232         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
 233         (Sized_relobj::relocate_sections): Likewise.
 234         * target-reloc.h (scan_relocs): Adjust section symbol index.
 235         (scan_relocatable_relocs): Likewise.
 236         * i386.cc (Scan::local): Check for ordinary symbols.
 237         * sparc.cc (Scan::local): Likewise.
 238         * x86_64.cc (Scan::local): Likewise.
 239         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
 240         to symbol_section_and_value.
 241         * testsuite/many_sections_test.cc: New file.
 242         * testsuite/Makefile.am (BUILT_SOURCES): Define.
 243         (check_PROGRAMS): Add many_sections_test.
 244         (many_sections_test_SOURCES): Define.
 245         (many_sections_test_DEPENDENCIES): Define.
 246         (many_sections_test_LDFLAGS): Define.
 247         (BUILT_SOURCES): Add many_sections_define.h.
 248         (many_sections_define.h): New target.
 249         (BUILT_SOURCES): Add many_sections_check.h.
 250         (many_sections_check.h): New target.
 251         (check_PROGRAMS): Add many_sections_r_test.
 252         (many_sections_r_test_SOURCES): Define.
 253         (many_sections_r_test_DEPENDENCIES): Define.
 254         (many_sections_r_test_LDFLAGS): Define.
 255         (many_sections_r_test_LDADD): Define.
 256         (many_sections_r_test.o): New target.
 257         * testsuite/Makefile.in: Rebuild.
 258
 259 2008-04-17  Cary Coutant  <ccoutant@google.com>
 260
 261         * errors.cc (Errors::info): New function.
 262         (gold_info): New function.
 263         * errors.h (Errors::info): New function.
 264         * gold.h (gold_info): New function.
 265         * object.cc (Input_objects::add_object): Print trace output.
 266         * options.cc (options::parse_set): New function.
 267         (General_options::parse_wrap): Deleted.
 268         (General_options::General_options): Deleted initializer.
 269         * options.h (options::String_set): New typedef.
 270         (options::parse_set): New function.
 271         (DEFINE_set): New macro.
 272         (General_options::wrap): Changed to use DEFINE_set. Changed
 273         callers of any_wrap_symbols and is_wrap_symbol.
 274         (General_options::trace, General_options::trace_symbol):
 275         New options.
 276         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
 277         (General_options::wrap_symbols_): Deleted.
 278         * symtab.cc (Symbol_table::add_from_object): Print trace output.
 279
 280 2008-04-17  David S. Miller  <davem@davemloft.net>
 281
 282         * options.cc (General_options::parse_V): New function.
 283         * options.h: Add entries for -V and -Qy.
 284
 285 2008-04-17  Ian Lance Taylor  <iant@google.com>
 286
 287         * common.cc (Symbol_table::allocate_commons): Remove options
 288         parameter.  Change caller.
 289         (Symbol_table::do_allocate_commons): Remove options parameter.
 290         Change caller.  Just call do_allocate_commons_list twice.
 291         (Symbol_table::do_allocate_commons_list): New function, broken out
 292         of do_allocate_commons.
 293         * common.h (class Allocate_commons_task): Remove options_ field.
 294         Update constructor.
 295         * symtab.cc (Symbol_table::Symbol_table): Initialize
 296         tls_commons_.
 297         (Symbol_table::add_from_object): Put TLS common symbols on
 298         tls_commons_ list.
 299         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
 300         which are IN_OUTPUT_DATA.
 301         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
 302         allocate_commons and do_allocate_commons declarations.  Declare
 303         do_allocate_commons_list.
 304         * gold.cc (queue_middle_tasks): Update creation of
 305         Allocate_commons_task to not pass options.
 306         * testsuite/Makefile.am (INCLUDES): Add -I.. .
 307         (TLS_TEST_C_FLAGS): New variable.
 308         (tls_test_c_pic.o): New target.
 309         (tls_test_shared.so): Link in tls_test_c_pic.o.
 310         (tls_test_c_pic_ie.o): New target.
 311         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
 312         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
 313         (tls_test_c.o): New target.
 314         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
 315         (tls_pic_test_LDADD): Likewise.
 316         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
 317         (tls_shared_gd_to_ie_test_LDADD): Likewise.
 318         (tls_test_c_gnu2.o): New target.
 319         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
 320         tls_test_c_gnu2.o.
 321         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
 322         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
 323         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
 324         * testsuite/tls_test.cc: Include "config.h".
 325         (t_last): Call t11_last.
 326         * testsuite/tls_test.h (t11, t11_last): Declare.
 327         * testsuite/tls_test_c.c: New file.
 328         * testsuite/tls_test_main.cc (thread_routine): Call t11.
 329         * configure.ac: Check for OpenMP support.
 330         * configure, config.in, Makefile.in: Rebuild.
 331         * testsuite/Makefile.in: Rebuild.
 332
 333 2008-04-16  Cary Coutant  <ccoutant@google.com>
 334
 335         * i386.cc (Target_i386::define_tls_base_symbol): New function.
 336         (Target_i386::tls_base_symbol_defined_): New field.
 337         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
 338         (Target_i386::Scan::global): Likewise.
 339         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
 340         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
 341         (Target_x86_64::tls_base_symbol_defined_): New field.
 342         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
 343         (Target_x86_64::Scan::global): Likewise.
 344
 345 2008-04-16  Cary Coutant  <ccoutant@google.com>
 346
 347         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
 348         (Symbol::needs_plt_entry): Allow weak undefined symbols.
 349         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
 350         building shared libraries.
 351         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
 352         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
 353         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
 354         * testsuite/Makefile.in: Rebuild.
 355         * testsuite/weak_undef.h: New file.
 356         * testsuite/weak_undef_file1.cc: Add extra test cases.
 357         * testsuite/weak_undef_file2.cc: Likewise.
 358         * testsuite/weak_undef_test.cc: Likewise.
 359
 360 2008-04-16  David S. Miller  <davem@davemloft.net>
 361
 362         * sparc.cc (Target_sparc::Scan): Change from struct to class.
 363         Add issued_non_pic_error_ field.  Declare check_non_pic.
 364         (Target_sparc::Scan::check_non_pic): New function.
 365         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
 366         (Target_sparc::Scan::global): Likewise.
 367
 368         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
 369         * configure: Rebuild.
 370
 371         * options.h (DEFINE_enable): New macro.
 372         (new_dtags): New enable option.
 373         (initfirst, interpose, loadfltr, nodefaultlib,
 374         nodelete, nodlopen, nodump): New -z options.
 375         * layout.cc (Layout:finish_dynamic_section): If new
 376         dtags enabled, emit DT_RUNPATH.  Also, emit a
 377         DT_FLAGS_1 containing any specified -z flags.
 378
 379 2008-04-16  Ian Lance Taylor  <iant@google.com>
 380
 381         * copy-relocs.cc: New file.
 382         * copy-relocs.h: New file.
 383         * reloc.cc: Remove Copy_relocs code.
 384         * reloc.h: Likewise.
 385         * reloc-types.h (struct Reloc_types) [both versions]: Add
 386         get_reloc_addend_noerror.
 387         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
 388         variants of add_global which take an addend which must be zero.
 389         * i386.cc: Include "copy-relocs.h".
 390         (class Target_i386): Change type of copy_relocs_ to variable,
 391         update initializer.
 392         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
 393         Change all callers.
 394         (Target_i386::do_finalize_sections): Change handling of
 395         copy_relocs_.
 396         * sparc.cc: Include "copy-relocs.h".
 397         (class Target_sparc): Change type of copy_relocs_ to variable,
 398         update initializer.
 399         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
 400         Change all callers.
 401         (Target_sparc::do_finalize_sections): Change handling of
 402         copy_relocs_.
 403         * x86_64.cc: Include "copy-relocs.h".
 404         (class Target_x86_64): Change type of copy_relocs_ to variable,
 405         update initializer.
 406         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
 407         class.  Change all callers.
 408         (Target_x86_64::do_finalize_sections): Change handling of
 409         copy_relocs_.
 410         * Makefile.am (CCFILES): Add copy-relocs.cc.
 411         (HFILES): Add copy-relocs.h.
 412
 413         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
 414
 415         * testsuite/script_test_4.sh: Permit leading zeroes.
 416
 417 2008-04-15  Ian Lance Taylor  <iant@google.com>
 418
 419         * script-sections.cc (Script_sections::create_segments): Use
 420         header_size_adjustment even when there is enough room for the
 421         headers.
 422         * testsuite/script_test_4.sh: New file.
 423         * testsuite/script_test_4.t: New file.
 424         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
 425         (check_DATA): Add script_test_4.stdout.
 426         (MOSTLYCLEANFILES): Likewise.
 427         (script_test_4): New target.
 428         (script_test_4.stdout): New target.
 429         * testsuite/Makefile.in: Rebuild.
 430
 431         * sparc.cc: Add definitions for Output_data_plt_sparc class
 432         constants.
 433
 434 2008-04-14  David S. Miller  <davem@davemloft.net>
 435
 436         * sparc.cc: New file.
 437         * Makefile.am (TARGETSOURCES): Add sparc.cc
 438         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
 439         * configure.tgt: Document targ_extra_size and
 440         targ_extra_big_endian.  Add entries for sparc-* and
 441         sparc64-*.
 442         * configure.ac: Handle targ_extra_size and
 443         targ_extra_big_endian.
 444         * Makefile.in: Rebuild.
 445         * configure: Likewise.
 446         * po/POTFILES.in: Likewise.
 447         * po/gold.pot: Likewise.
 448
 449 2008-04-14  Ian Lance Taylor  <iant@google.com>
 450
 451         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
 452         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
 453         in the name/type/flags to section mapping.  Don't call
 454         allocate_output_section.
 455         (Layout::choose_output_section): Change parameter from adjust_name
 456         to is_input_section.  Don't permit input sections after sections
 457         are attached to segments.  Don't call allocate_output_section.
 458         (Layout::layout_eh_frame): Call update_flags_for_input_section,
 459         not write_enable_output_section.
 460         (Layout::make_output_section): Don't push to
 461         unattached_section_list_ nor call attach_to_segment.  Call
 462         attach_section_to_segment if sections are attached.
 463         (Layout::attach_sections_to_segments): New function.
 464         (Layout::attach_section_to_segment): New function.
 465         (Layout::attach_allocated_section_to_segment): Rename from
 466         attach_to_segment.  Remove flags parameter.
 467         (Layout::allocate_output_section): Remove function.
 468         (Layout::write_enable_output_section): Remove function.
 469         * layout.h (class Layout): Update for above changes.  Add new
 470         field sections_are_attached_.
 471         * output.h (Output_section::update_flags_for_input_section): New
 472         function.
 473         * output.cc (Output_section::add_input_section): Call
 474         update_flags_for_input_section.
 475         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
 476
 477 2008-04-11  Cary Coutant  <ccoutant@google.com>
 478
 479         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
 480         thought unnecessary.
 481         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
 482
 483 2008-04-11  Ian Lance Taylor  <iant@google.com>
 484
 485         * output.h (class Output_section_data): Remove inline definition
 486         of set_addralign.
 487         * output.cc (Output_section_data::set_addralign): New function.
 488
 489 2008-04-11  Cary Coutant  <ccoutant@google.com>
 490
 491         Add support for TLS descriptors for i386 and x86_64.
 492         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
 493         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
 494         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
 495         GOT_TYPE_TLS_DESC.
 496         (Target_i386::got_mod_index_entry): Remove unnecessary code.
 497         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
 498         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
 499         relocations.
 500         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
 501         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
 502         Fix problem with initial-exec relocations.
 503         (Target_i386::Relocate::relocate_tls): Likewise.
 504         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
 505         relaxation.
 506         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
 507         support for section-plus-offset dynamic table entries.
 508         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
 509         (Output_data_dynamic::Dynamic_entry): Add support for
 510         section-plus-offset dynamic table entries.
 511         (Output_data_dynamic::Classification): Likewise.
 512         (Output_data_dynamic::classification_): Renamed offset_.
 513         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
 514         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
 515         (Target_x86_64::make_plt_section): New function.
 516         (Target_x86_64::reserve_tlsdesc_entries): New function.
 517         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
 518         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
 519         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
 520         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
 521         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
 522         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
 523         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
 524         add extra PLT entry for TLS descriptors.
 525         (Output_data_plt_x86_64::got_): New field.
 526         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
 527         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
 528         fields.
 529         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
 530         descriptors.
 531         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
 532         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
 533         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
 534         R_386_TLS_DESC_CALL relocations.
 535         (Target_x86_64::Scan::global): Likewise.
 536         (Target_x86_64::do_finalize_sections): Add dynamic table entries
 537         for TLS descriptors.
 538         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
 539         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
 540         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
 541         GD-to-IE relaxation.
 542         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
 543         and TLS_DESCRIPTORS.
 544         * Makefile.in: Rebuild.
 545         * configure: Rebuild.
 546         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
 547         (tls_test_shared2.so): New target.
 548         (tls_shared_gd_to_ie_test_SOURCES): New variable.
 549         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
 550         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
 551         (tls_shared_gd_to_ie_test_LDADD): New variable.
 552         (tls_shared_gnu2_gd_to_ie_test): New target.
 553         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
 554         New targets.
 555         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
 556         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
 557         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
 558         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
 559         (tls_shared_gnu2_test): New target.
 560         (tls_test_gnu2_shared.so): New target.
 561         (tls_shared_gnu2_test_SOURCES): New variable.
 562         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
 563         (tls_shared_gnu2_test_LDFLAGS): New variable.
 564         (tls_shared_gnu2_test_LDADD): New variable.
 565         * testsuite/Makefile.in: Rebuild.
 566         * testsuite/Makefile.
 567
 568 2008-04-11  Ian Lance Taylor  <iant@google.com>
 569
 570         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
 571         justsyms.t.
 572         * testsuite/Makefile.in: Rebuild.
 573
 574         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
 575         long.
 576         * testsuite/script_test_2.cc (main): Adjust test.
 577
 578 2008-04-11  David S. Miller  <davem@davemloft.net>
 579             Ian Lance Taylor  <iant@google.com>
 580
 581         * options.h (General_options): Add entries for '-Y' and
 582         '-relax'.
 583         * options.cc (General_options:finalize): If -Y was used, add those
 584         entries to the library path instead of the default "/lib" and
 585         "/usr/lib".
 586
 587 2008-04-11  David S. Miller  <davem@davemloft.net>
 588
 589         * testsuite/justsyms.t: Start at 0x100.
 590         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
 591         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
 592         long.
 593         * testsuite/script_test_2.cc: Adjust string and section length
 594         checks.
 595
 596 2008-04-09  Ian Lance Taylor  <iant@google.com>
 597
 598         PR gold/5996
 599         * script-sections.cc (Sections_element::allocate_to_segment): Add
 600         orphan parameter.
 601         (Output_section_definition::allocate_to_segment): Likewise.
 602         (Orphan_output_section::allocate_to_segment): Likewise.
 603         (Script_sections::attach_sections_using_phdrs_clause): Don't
 604         propagate non-PT_LOAD segments to orphan sections.
 605         * testsuite/Makefile.am (script_test_3.stdout): Generate using
 606         readelf rather than objdump.
 607         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
 608         .interp section and PT_INTERP segment are the same size.
 609         * testsuite/Makefile.in: Rebuild.
 610
 611         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
 612         aliases for symbols defined in the same object.
 613         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
 614         (weak_alias_test_SOURCES): New variable.
 615         (weak_alias_test_DEPENDENCIES): New variable.
 616         (weak_alias_test_LDFLAGS): New variable.
 617         (weak_alias_test_LDADD): New variable.
 618         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
 619         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
 620         (weak_alias_test_3.o): New target.
 621         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
 622         * testsuite/weak_alias_test_main.cc: New file.
 623         * testsuite/weak_alias_test_1.cc: New file.
 624         * testsuite/weak_alias_test_2.cc: New file.
 625         * testsuite/weak_alias_test_3.cc: New file.
 626
 627 2008-04-08  Ian Lance Taylor  <iant@google.com>
 628
 629         * options.h (class General_options): Add --noinhibit-exec option.
 630         * main.cc (main): Check --noinhibit-exec.
 631
 632         * options.h (class General_options): Define --wrap as a special
 633         option.  Add wrap_symbols_ field.
 634         (General_options::any_wrap_symbols): New function.
 635         (General_options::is_wrap_symbol): New function.
 636         * options.cc (General_options::parse_wrap): New function.
 637         (General_options::General_options): Initialize wrap_symbols_.
 638         * symtab.cc (Symbol_table::wrap_symbol): New function.
 639         (Symbol_table::add_from_object): Handle --wrap.
 640         * symtab.h (class Symbol_table): Declare wrap_symbol.
 641         * target.h (Target::wrap_char): New function.
 642         (Target::Target_info): Add wrap_char field.
 643         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
 644         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 645         * testsuite/testfile.cc (Target_test::test_target_info):
 646         Likewise.
 647
 648         * errors.cc (Errors::undefined_symbol): Mention symbol version if
 649         there is one.
 650
 651         * layout.h (class Layout): Add added_eh_frame_data_ field.
 652         * layout.cc (Layout::Layout): Initialize new field.
 653         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
 654         output section until we find a section we merged successfully.
 655         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
 656         that the size be non-zero.
 657
 658         * merge.cc (Object_merge_map::get_output_offset): Remove inline
 659         qualifier.
 660
 661 2008-04-08  Craig Silverstein  <csilvers@google.com>
 662
 663         * configure.ac: Export new conditional variable HAVE_ZLIB.
 664         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
 665         on HAVE_ZLIB.
 666         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
 667         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 668
 669 2008-04-07  Ian Lance Taylor  <iant@google.com>
 670
 671         * version.cc (version_string): Set to "1.5".
 672
 673         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
 674         Add issued_non_pic_error_ field.  Declare check_non_pic.
 675         (Target_x86_64::Scan::check_non_pic): New function.
 676         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
 677         (Target_x86_64::Scan::global): Likewise.
 678
 679         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
 680         addend parameter.  Change caller.  Handle merge sections.
 681         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
 682         Address to Addend.  Don't add in the result of
 683         local_section_offset, pass down the addend and use the returned
 684         value.
 685         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
 686         Update declarations of local_section_offset and symbol_value.
 687         * testsuite/two_file_test_1.cc (t18): New function.
 688         * testsuite/two_file_test_2.cc (f18): New function.
 689         * testsuite/two_file_test_main.cc (main): Call t18.
 690         * testsuite/two_file_test.h (t18, f18): Declare.
 691
 692         * configure.ac: Don't test for objdump, c++filt, or readelf.
 693         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
 694         conditionals.
 695         (TEST_READELF): New variable.
 696         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
 697         (check_PROGRAMS): Add two_file_strip_test.
 698         (two_file_strip_test): New target.
 699         (check_PROGRAMS): Add two_file_same_shared_strip_test.
 700         (two_file_same_shared_strip_test_SOURCES): New variable.
 701         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
 702         (two_file_same_shared_strip_test_LDFLAGS): New variable.
 703         (two_file_same_shared_strip_test_LDADD): New variable.
 704         (two_file_shared_strip.so): New target.
 705         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
 706         (ver_test_5.syms, ver_test_7.syms): Likewise.
 707         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
 708         (strip_test_3.stdout): Use TEST_OBJDUMP.
 709         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 710
 711 2008-04-04  Cary Coutant  <ccoutant@google.com>
 712
 713         * symtab.h (Symbol::is_weak_undefined): New function.
 714         (Symbol::is_strong_undefined): New function.
 715         (Symbol::is_absolute): New function.
 716         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
 717         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
 718         absolute symbols.
 719         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
 720         (weak_undef_test): New target.
 721         * testsuite/Makefile.in: Rebuild.
 722         * testsuite/weak_undef_file1.cc: New file.
 723         * testsuite/weak_undef_file2.cc: New file.
 724         * testsuite/weak_undef_test.cc: New file.
 725
 726 2008-04-03  Craig Silverstein  <csilvers@google.com>
 727
 728         * compressed_output.h (class Output_compressed_section): Use
 729         unsigned buffer.
 730         * compressed_output.cc (zlib_compress): Use unsigned buffers,
 731         add zlib header.
 732         (zlib_compressed_suffix): Removed.
 733         (Output_compressed_section::set_final_data_size): Use unsigned
 734         buffers.
 735         * testsuite/Makefile.am (flagstest_compress_debug_sections):
 736         Fix linker invocation.
 737         (flagstest_o_specialfile_and_compress_debug_sections):
 738         Likewise.
 739         * testsuite/Makefile.in: Regenerated.
 740
 741 2008-04-02  David S. Miller  <davem@davemloft.net>
 742
 743         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
 744         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
 745
 746 2008-04-02  Craig Silverstein  <csilvers@google.com>
 747
 748         * TODO: New file.
 749
 750 2008-04-02  Ian Lance Taylor  <iant@google.com>
 751
 752         * fileread.cc (File_read::find_view): Add byteshift and vshifted
 753         parameters.  Update for new key type to views_.  Change all
 754         callers.
 755         (File_read::read): Adjust for byteshift in returned view.
 756         (File_read::add_view): New function, broken out of
 757         find_and_make_view.
 758         (File_read::make_view): New function, broken out of
 759         find_and_make_view.
 760         (File_read::find_or_make_view): Add offset and aligned
 761         parameters.  Rewrite accordingly.  Change all callers.
 762         (File_read::get_view): Add offset and aligned parameters.  Adjust
 763         for byteshift in return value.
 764         (File_read::get_lasting_view): Likewise.
 765         * fileread.h (class File_read): Update declarations.
 766         (class File_read::View): Add byteshift_ field.  Add byteshift to
 767         constructor.  Add byteshift method.
 768         * archive.h (Archive::clear_uncached_views): New function.
 769         (Archive::get_view): Add aligned parameter.  Change all callers.
 770         * object.h (Object::get_view): Add aligned parameter.  Change all
 771         callers.
 772         (Object::get_lasting_view): Likewise.
 773
 774         * fileread.cc (File_read::release): Don't call clear_views if
 775         there are multiple objects.
 776         * fileread.h (File_read::clear_uncached_views): New function.
 777         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
 778         on the archive.
 779
 780 2008-03-31  Cary Coutant  <ccoutant@google.com>
 781
 782         Add thin archive support.
 783         * archive.cc (Archive::armagt): New const.
 784         (Archive::setup): Remove task parameter and calls to unlock.
 785         (Archive::unlock_nested_archives): New function.
 786         (Archive::read_header): Add nested_off parameter. Change
 787         all callers.
 788         (Archive::interpret_header): Likewise.
 789         (Archive::include_all_members): Change to handle thin
 790         archives.
 791         (Archive::include_member): Likewise.
 792         * archive.h (Archive::Archive): Add new parameters and
 793         initializers.
 794         (Archive::armagt): New const.
 795         (Archive::setup): Remove task parameter.
 796         (Archive::unlock_nested_archives): New function.
 797         (Archive::read_header): Add nested_off parameter.
 798         (Archive::interpret_header): Likewise.
 799         (Archive::Nested_archive_table): New typedef.
 800         (Archive::is_thin_archive_): New field.
 801         (Archive::nested_archives_): New field.
 802         (Archive::options_): New field.
 803         (Archive::dirpath_): New field.
 804         (Archive::task_): New field.
 805         * readsyms.cc (Read_symbols::do_read_symbols): Add check
 806         for thin archives.  Pass additional parameters to
 807         Archive::Archive.  Unlock the archive file after calling
 808         Archive::setup.
 809
 810 2008-03-29  Ian Lance Taylor  <iant@google.com>
 811
 812         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
 813         version symbol to be local.
 814         * testsuite/ver_test_4.sh: New file.
 815         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
 816         (check_DATA): Add ver_test_4.syms.
 817         (ver_test_4.syms): New target.
 818         * testsuite/Makefile.in: Rebuild.
 819
 820         * output.cc
 821         (Output_section::Input_section_sort_entry::has_priority): New
 822         function.
 823         (Output_section::Input_section_sort_entry::match_file_name): New
 824         function.
 825         (Output_section::Input_section_sort_entry::match_section_name):
 826         Remove.
 827         (Output_section::Input_section_sort_entry::match_section_name_prefix):
 828         Remove.
 829         (Output_section::Input_section_sort_entry::match_section_file):
 830         Remove.
 831         (Output_section::Input_section_sort_compare::operator()): Rewrite
 832         using new Input_section_sort_entry functions.  Sort crtbegin and
 833         crtend first.  Sort sections with no priority before sections with
 834         a priority.
 835         * testsuite/initpri1.c (d3): Check j != 4.
 836         (cd5): New constructor/destructor function.
 837         (main): Check j != 2.
 838
 839         * symtab.cc (Symbol_table::add_from_object): If we don't use the
 840         new symbol when resolving, don't call set_is_default.
 841         * testsuite/ver_test_7.cc: New file.
 842         * testsuite/ver_test_7.sh: New file.
 843         * testsuite/Makefile.am (ver_test_7.so): New target.
 844         (ver_test_7.o): New target.
 845         (check_SCRIPTS): Add ver_test_7.sh.
 846         (check_DATA): Add ver_test_7.syms.
 847         (ver_test_7.syms): New target.
 848
 849 2008-03-28  Ian Lance Taylor  <iant@google.com>
 850
 851         * layout.cc (Layout::layout): If we see an input section with a
 852         name that needs sorting, set the must_sort flag for the output
 853         section.
 854         (Layout::make_output_section): If the name of the output section
 855         indicates that it might require sorting, set the may_sort flag.
 856         * output.h (Output_section::may_sort_attached_input_sections): New
 857         function.
 858         (Output_section::set_may_sort_attached_input_sections): New
 859         function.
 860         (Output_section::must_sort_attached_input_sections): New
 861         function.
 862         (Output_section::set_must_sort_attached_input_sections): New
 863         function.
 864         (class Output_section): Declare Input_section_sort_entry.  Define
 865         Input_section_sort_compare.  Declare
 866         sort_attached_input_sections.  Add new fields:
 867         may_sort_attached_input_sections_,
 868         must_sort_attached_input_sections_,
 869         attached_input_sections_are_sorted_.
 870         * output.cc (Output_section::Output_section): Initialize new
 871         fields.
 872         (Output_section::add_input_section): Add an entry to
 873         input_sections_ if may_sort or must_sort are true.
 874         (Output_section::set_final_data_size): Call
 875         sort_attached_input_sections if necessary.
 876         (Output_section::Input_section_sort_entry): Define new class.
 877         (Output_section::Input_section_sort_compare::operator()): New
 878         function.
 879         (Output_section::sort_attached_input_sections): New function.
 880         * configure.ac: Check whether the compiler supports constructor
 881         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
 882         * testsuite/initpri1.c: New file.
 883         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
 884         CONSTRUCTOR_PRIORITY.
 885         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
 886         (initpri1_LDFLAGS): New variable.
 887         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 888
 889 2008-03-27  Ian Lance Taylor  <iant@google.com>
 890
 891         * common.cc (Sort_commons::operator): Correct sorting algorithm.
 892         * testsuite/common_test_1.c: New file.
 893         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
 894         (common_test_1_SOURCES): New variable.
 895         (common_test_1_DEPENDENCIES): New variable.
 896         (common_test_1_LDFLAGS): New variable.
 897
 898         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
 899         and commons_ correctly when NAME/VERSION does not override
 900         NAME/NULL.
 901         * testsuite/ver_test_6.c: New file.
 902         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
 903         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
 904         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
 905
 906 2008-03-26  Ian Lance Taylor  <iant@google.com>
 907
 908         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
 909         of an undefined symbol from a version script.
 910         * testsuite/Makefile.am (ver_test_5.so): New target.
 911         (ver_test_5.o): New target.
 912         (check_SCRIPTS): Add ver_test_5.sh.
 913         (check_DATA): Add ver_test_5.syms.
 914         (ver_test_5.syms): New target.
 915         * testsuite/ver_test_5.cc: New file.
 916         * testsuite/ver_test_5.script: New file.
 917         * testsuite/ver_test_5.sh: New file.
 918         * Makefile.in, testsuite/Makefile.in: Rebuild.
 919
 920         PR gold/5986
 921         Fix problems building gold with gcc 4.3.0.
 922         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
 923         (gold_error_at_location, gold_warning_at_location): Use it.
 924         * configure.ac: Check whether we can compile and use a template
 925         function with a printf attribute.
 926         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
 927         when jumping over bytes.
 928         * object.cc: Instantiate Object::read_section_data.
 929         * debug.h: Include <cstring>
 930         * dwarf_reader.cc: Include <algorithm>
 931         * main.cc: Include <cstring>.
 932         * options.cc: Include <cstring>.
 933         * output.cc: Include <cstring>.
 934         * script.cc: Include <cstring>.
 935         * script.h: Include <string>.
 936         * symtab.cc: Include <cstring> and <algorithm>.
 937         * target-select.cc: Include <cstring>.
 938         * version.cc: Include <string>.
 939         * testsuite/testmain.cc: Include <cstdlib>.
 940         * configure, config.in: Rebuild.
 941
 942 2008-03-25  Ian Lance Taylor  <iant@google.com>
 943
 944         * options.cc: Include "../bfd/bfdver.h".
 945         (options::help): Print bug reporting address.
 946
 947         * version.cc (print_version): Adjust output for current value of
 948         BFD_VERSION_STRING.
 949
 950         * NEWS: New file.
 951
 952         * options.cc (options::help): Print list of supported targets.
 953         * target-select.h: Include <vector>.
 954         (class Target_selector): Make machine_, size_, and is_big_endian_
 955         fields const.  Add bfd_name_ and instantiated_target_ fields.
 956         (Target_selector::Target_selector): Add bfd_name parameter.
 957         (Target_selector::recognize): Make non-virtual, call
 958         do_recognize.
 959         (Target_selector::recognize_by_name): Make non-virtual, call
 960         do_recognize_by_name.
 961         (Target_selector::supported_names): New function.
 962         (Target_selector::bfd_name): New function.
 963         (Target_selector::do_instantiate_target): New pure virtual
 964         function.
 965         (Target_selector::do_recognize): New virtual function.
 966         (Target_selector::do_recognize_by_name): New virtual function.
 967         (Target_selector::instantiate_target): New private function.
 968         (supported_target_names): Declare.
 969         * target-select.cc (Target_selector::Target_selector): Update for
 970         new parameter and fields.
 971         (select_target_by_name): Check that the name matches before
 972         calling recognize_by_name.
 973         (supported_target_names): New function.
 974         * i386.cc (class Target_selector_i386): Update Target_selector
 975         constructor call.  Remove recognize and recognize_by_name.  Add
 976         do_instantiate_target.
 977         * x86_64.cc (class Target_selector_x86_64): Likewise.
 978         * testsuite/testfile.cc (class Target_selector_test): Update for
 979         changes to Target_selector.
 980
 981         * README: Rewrite, with some notes on unsupported features.
 982
 983 2008-03-24  Cary Coutant  <ccoutant@google.com>
 984
 985         * i386.cc (Target_i386::Got_type): New enum declaration.
 986         (Target_i386::Scan::local): Updated callers of Output_data_got
 987         member functions.
 988         (Target_i386::Scan::global): Likewise.
 989         (Target_i386::Relocate::relocate): Likewise.
 990         (Target_i386::Relocate::relocate_tls): Likewise.
 991         * object.h (Got_offset_list): New class.
 992         (Sized_relobj::local_has_got_offset): Added got_type parameter.
 993         (Sized_relobj::local_got_offset): Likewise.
 994         (Sized_relobj::set_local_got_offset): Likewise.
 995         (Sized_relobj::local_has_tls_got_offset): Removed.
 996         (Sized_relobj::local_tls_got_offset): Removed.
 997         (Sized_relobj::set_local_tls_got_offset): Removed.
 998         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
 999         * output.cc (Output_data_got::add_global): Added got_type parameter.
1000         (Output_data_got::add_global_with_rel): Likewise.
1001         (Output_data_got::add_global_with_rela): Likewise.
1002         (Output_data_got::add_global_pair_with_rel): New function.
1003         (Output_data_got::add_global_pair_with_rela): New function.
1004         (Output_data_got::add_local): Added got_type parameter.
1005         (Output_data_got::add_local_with_rel): Likewise.
1006         (Output_data_got::add_local_with_rela): Likewise.
1007         (Output_data_got::add_local_pair_with_rel): New function.
1008         (Output_data_got::add_local_pair_with_rela): New function.
1009         (Output_data_got::add_global_tls): Removed.
1010         (Output_data_got::add_global_tls_with_rel): Removed.
1011         (Output_data_got::add_global_tls_with_rela): Removed.
1012         (Output_data_got::add_local_tls): Removed.
1013         (Output_data_got::add_local_tls_with_rel): Removed.
1014         (Output_data_got::add_local_tls_with_rela): Removed.
1015         * output.h (Output_data_got::add_global): Added got_type parameter.
1016         (Output_data_got::add_global_with_rel): Likewise.
1017         (Output_data_got::add_global_with_rela): Likewise.
1018         (Output_data_got::add_global_pair_with_rel): New function.
1019         (Output_data_got::add_global_pair_with_rela): New function.
1020         (Output_data_got::add_local): Added got_type parameter.
1021         (Output_data_got::add_local_with_rel): Likewise.
1022         (Output_data_got::add_local_with_rela): Likewise.
1023         (Output_data_got::add_local_pair_with_rel): New function.
1024         (Output_data_got::add_local_pair_with_rela): New function.
1025         (Output_data_got::add_global_tls): Removed.
1026         (Output_data_got::add_global_tls_with_rel): Removed.
1027         (Output_data_got::add_global_tls_with_rela): Removed.
1028         (Output_data_got::add_local_tls): Removed.
1029         (Output_data_got::add_local_tls_with_rel): Removed.
1030         (Output_data_got::add_local_tls_with_rela): Removed.
1031         * resolve.cc (Symbol::override_base_with_special): Removed
1032         reference to has_got_offset_ field.
1033         * symtab.cc (Symbol::init_fields): Replaced initialization
1034         of got_offset_ with got_offsets_.  Removed initialization
1035         of has_got_offset_
1036         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
1037         (Symbol::got_offset): Likewise.
1038         (Symbol::set_got_offset): Likewise.
1039         (Symbol::has_tls_got_offset): Removed.
1040         (Symbol::tls_got_offset): Removed.
1041         (Symbol::set_tls_got_offset): Removed.
1042         (Symbol::got_offset_): Removed.
1043         (Symbol::tls_mod_got_offset_): Removed.
1044         (Symbol::tls_pair_got_offset_): Removed.
1045         (Symbol::got_offsets_): New field.
1046         (Symbol::has_got_offset): Removed.
1047         (Symbol::has_tls_mod_got_offset): Removed.
1048         (Symbol::has_tls_pair_got_offset): Removed.
1049         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
1050         (Target_x86_64::Scan::local): Updated callers of Output_data_got
1051         member functions.
1052         (Target_x86_64::Scan::global): Likewise.
1053         (Target_x86_64::Relocate::relocate): Likewise.
1054         (Target_x86_64::Relocate::relocate_tls): Likewise.
1055
1056 2008-03-25  Ben Elliston  <bje@au.ibm.com>
1057
1058         * yyscript.y: Fix spelling error in comment.
1059
1060 2008-03-24  Ian Lance Taylor  <iant@google.com>
1061
1062         * options.h (class General_options): Define build_id option.
1063         * layout.h (class Layout): Declare write_build_id, create_note,
1064         create_build_id.  Add build_id_note_ member.
1065         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
1066         "libiberty.h", "md5.h", "sha1.h".
1067         (Layout::Layout): Initialize eh_frame_data_,
1068         eh_frame_hdr_section_, and build_id_note_.
1069         (Layout::finalize): Call create_build_id.
1070         (Layout::create_note): New function, broken out of
1071         Layout::create_gold_note.
1072         (Layout::create_gold_note): Call create_note.
1073         (Layout::create_build_id): New function.
1074         (Layout::write_build_id): New function.
1075         (Close_task_runner::run): Call write_build_id.
1076
1077         * x86_64.cc: Correct license to GPLv3.
1078
1079 2008-03-23  Ian Lance Taylor  <iant@google.com>
1080
1081         * options.cc: Include "demangle.h".
1082         (parse_optional_string): New function.
1083         (parse_long_option): Handle takes_optional_argument.
1084         (parse_short_option): Update dash_z initializer.  Handle
1085         takes_optional_argument.
1086         (General_options::General_options): Initialize do_demangle_.
1087         (General_options::finalize): Set do_demangle_.  Handle demangling
1088         style.
1089         * options.h (parse_optional_string): Declare.
1090         (struct One_option): Add optional_arg field.  Update constructor.
1091         Update call constructor calls.  Add takes_optional_argument
1092         function.
1093         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
1094         (DEFINE_optional_string): Define.
1095         (General_options::demangle): Change from DEFINE_bool to
1096         DEFINE_optional_string.
1097         (General_options::no_demangle): New function.
1098         (General_options::do_demangle): New function.
1099         (General_options::set_do_demangle): New function.
1100         (General_options::execstack_status_): Move definition to end of
1101         class definition.
1102         (General_options::static_): Likewise.
1103         (General_options::do_demangle_): New field.
1104         * object.cc (big_endian>::get_symbol_location_info): Call
1105         Options::do_demangle, not Options::demangle.
1106         * symtab.cc (demangle): Likewise.
1107
1108 2008-03-22  Ian Lance Taylor  <iant@google.com>
1109
1110         * gold.h: Include <cstddef> and <sys/types.h>
1111         * options.h: Include <cstring>.
1112
1113 2008-03-21  Ian Lance Taylor  <iant@google.com>
1114
1115         * Added source code to GNU binutils.
1116