gold/ChangeLog

   1 2008-05-16  Ian Lance Taylor  <iant@google.com>
   2
   3         * output.cc (Output_reloc::get_address): Change return type to
   4         Elf_Addr.
   5         * output.h (class Output_reloc): Update get_address declaration.
   6         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
   7         for section addresses.
   8
   9 2008-05-09  Ian Lance Taylor  <iant@google.com>
  10
  11         PR 6493
  12         * gold.cc (gold_nomem): Use return value of write.
  13
  14 2008-05-08  Ian Lance Taylor  <iant@google.com>
  15
  16         * symtab.c (Symbol::init_base_output_data): Add version
  17         parameter.  Change all callers.
  18         (Symbol::init_base_output_segment): Likewise.
  19         (Symbol::init_base_constant): Likewise.
  20         (Symbol::init_base_undefined): Likewise.
  21         (Sized_symbol::init_output_data): Likewise.
  22         (Sized_symbol::init_output_segment): Likewise.
  23         (Sized_symbol::init_constant): Likewise.
  24         (Sized_symbol::init_undefined): Likewise.
  25         (Symbol_table::do_define_in_output_data): If the new symbol has a
  26         version, mark it as the default.
  27         (Symbol_table::do_define_in_output_segment): Likewise.
  28         (Symbol_table::do_define_as_constant): Likewise.
  29         * symtab.h (class Symbol): Update declarations.
  30         (class Sized_symbol): Likewise.
  31         * resolve.cc (Symbol::override_version): New function.
  32         (Symbol::override_base: Call override_version.
  33         (Symbol::override_base_with_special): Likewise.
  34         * testsuite/ver_script_8.script: New file.
  35         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
  36         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
  37         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
  38         (ver_test_8_1.so, ver_test_8_2.so): New targets.
  39
  40 2008-05-06  Ian Lance Taylor  <iant@google.com>
  41
  42         PR 6049
  43         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
  44         functions.
  45         (class General_options): Remove existing --undefined, and add
  46         --no-undefined instead.  Add new --undefined as synonym for -u.
  47         * archive.cc (Archive::add_symbols): Check whether symbol was
  48         named with -u.
  49         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
  50         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
  51         all uses.  Add IS_UNDEFINED.  Update declarations to split
  52         different versions of init_base.  Declare init_base_undefined.
  53         (Symbol::is_defined): Handle IS_UNDEFINED.
  54         (Symbol::is_undefined): Likewise.
  55         (Symbol::is_weak_undefined): Call is_undefined.
  56         (Symbol::is_absolute): Handle IS_CONSTANT.
  57         (class Sized_symbol): Update declarations to split different
  58         versions of init.  Declare init_undefined.
  59         (class Symbol_table): Declare new functions.
  60         * symtab.cc (Symbol::init_base_object): Rename from init_base.
  61         Change all callers.
  62         (Symbol::init_base_output_data): Likewise.
  63         (Symbol::init_base_output_segment): Likewise.
  64         (Symbol::init_base_constant): Likewise.
  65         (Symbol::init_base_undefined): New function.
  66         (Sized_symbol::init_object): Rename from init.  Change all
  67         callers.
  68         (Sized_symbol::init_output_data): Likewise.
  69         (Sized_symbol::init_output_segment): Likewise.
  70         (Sized_symbol::init_constant): Likewise.
  71         (Sized_symbol::init_undefined): New function.
  72         (Symbol_table::add_undefined_symbols_from_command_line): New
  73         function.
  74         (Symbol_table::do_add_undefined_symbols_from_command_line): New
  75         function.
  76         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
  77         (Symbol::output_section): Likewise.
  78         (Symbol::set_output_section): Likewise.
  79         (Symbol_table::sized_finalize_symbol): Likewise.
  80         (Symbol_table::sized_write_globals): Likewise.
  81         * resolve.cc (Symbol_table::should_override): Likewise.
  82         (Symbol::override_base_with_special): Likewise.
  83
  84         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
  85         symbol, change it to have default visibility.
  86         * testsuite/protected_1.cc: New file.
  87         * testsuite/protected_2.cc: New file.
  88         * testsuite/protected_3.cc: New file.
  89         * testsuite/protected_main_1.cc: New file.
  90         * testsuite/protected_main_2.cc: New file.
  91         * testsuite/protected_main_3.cc: New file.
  92         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
  93         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
  94         (protected_1_LDFLAGS, protected_1_LDADD): Define.
  95         (protected_1.so): New target.
  96         (protected_1_pic.o, protected_2_pic.o): New targets.
  97         (protected_3_pic.o): New target.
  98         (check_PROGRAMS): Add protected_2.
  99         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
 100         (protected_2_LDFLAGS, protected_2_LDADD): Define.
 101         * testsuite/Makefile.in: Rebuild.
 102
 103         * options.h (DEFINE_var): Add set_user_set_##varname__.
 104         (DEFINE_bool_alias): New macro.
 105         (class General_options): Define -Bstatic using DEFINE_bool_alias
 106         rather than DEFINE_special.  Add --undefined as an alias for -z
 107         defs.
 108         * options.cc (General_options::parse_Bstatic): Remove.
 109
 110         * options.h (class General_options): Add --fatal-warnings.
 111         * main.cc (main): Implement --fatal-warnings.
 112         * errors.h (Errors::warning_count): New function.
 113
 114         * options.h (class General_options): Add -Bsymbolic-functions.
 115         * symtab.h (Symbol::is_preemptible): Check for
 116         -Bsymbolic-functions.
 117
 118 2008-05-05  Ian Lance Taylor  <iant@google.com>
 119
 120         * options.h (DEFINE_bool): For DASH_Z, create the negative option
 121         as noVARNAME rather than no-VARNAME.
 122         (class General_options): Add option -z combreloc.
 123         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
 124         get_address.
 125         (Output_reloc::sort_before) [SHT_REL]: New function.
 126         (Output_reloc::sort_before) [SHT_RELA]: New function.
 127         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
 128         Sort_relocs_comparison.
 129         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
 130         parameter.  Change all callers.
 131         (Output_data_reloc::Output_data_reloc) [both versions]: Add
 132         sort_relocs parameter.  Change all callers.
 133         * output.cc (Output_reloc::get_address): New function, broken out
 134         of write_rel.
 135         (Output_reloc::write_rel): Call it.
 136         (Output_reloc::compare): New function.
 137         (Output_data_reloc_base::do_write): Optionally sort relocs.
 138
 139         * configure.ac: If targ_extra_obj is set, link it in.
 140         * configure.tgt: Initialize all variables.
 141         (x86_64*): Set targ_extra_obj and targ_extra_size.
 142         * configure: Rebuild.
 143
 144         * object.cc (Sized_relobj::include_section_group): Adjust section
 145         indexes read from group data.  Build vector to pass to
 146         layout_group.
 147         * layout.cc (Layout::layout_group): Add flags and shndxes
 148         parameters.  Remove contents parameter.  Change caller.  Update
 149         explicit instantiations.
 150         * layout.h (class Layout): Update layout_group declaration.
 151         * output.cc (Output_data_group::Output_data_group): Add flags and
 152         input_shndxes parameters.  Remove contents parameter.  Change
 153         caller.
 154         (Output_data_group::do_write): Change input_sections_ to
 155         input_shndxes_.
 156         * output.h (class Output_data_group): Update constructor
 157         declaration.  Rename input_sections_ to input_shndxes_.
 158         * testsuite/many_sections_test.cc: Add template.
 159
 160 2008-04-30  Cary Coutant  <ccoutant@google.com>
 161
 162         * target-reloc.h (relocate_section): Fix dead-pointer bug.
 163
 164         * layout.cc (Layout::include_section): Refactored check for debug
 165         info section.
 166         (Layout::add_comdat): Add new parameters.  Change type
 167         of signature parameter.  Add object and shndx to signatures table.
 168         (Layout::find_kept_object): New function.
 169         * layout.h: Include <cstring>.
 170         (Layout::is_debug_info_section): New function.
 171         (Layout::add_comdat): Add new parameters.
 172         (Layout::find_kept_object): New function.
 173         (Layout::Kept_section): New struct.
 174         (Layout::Signatures): Change type of map range.
 175         * object.cc (Relobj::output_section_address): New function.
 176         (Sized_relobj::include_section_group): Add new parameters.  Change
 177         calls to Layout::add_comdat.  Change to build table of kept comdat
 178         groups and table mapping discarded sections to kept sections.
 179         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
 180         (Sized_relobj::do_layout): Change calls to include_section_group and
 181         include_linkonce_section.
 182         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
 183         value to zero when section is discarded.
 184         (Sized_relobj::map_to_kept_section): New function.
 185         * object.h (Relobj::output_section_address): New function.
 186         (Relobj::Comdat_group): New type.
 187         (Relobj::find_comdat_group): New function.
 188         (Relobj::Comdat_group_table): New type.
 189         (Relobj::Kept_comdat_section): New type.
 190         (Relobj::Kept_comdat_section_table): New type.
 191         (Relobj::add_comdat_group): New function.
 192         (Relobj::set_kept_comdat_section): New function.
 193         (Relobj::get_kept_comdat_section): New function.
 194         (Relobj::comdat_groups_): New field.
 195         (Relobj::kept_comdat_sections_): New field.
 196         (Symbol_value::input_value): Update comment.
 197         (Sized_relobj::map_to_kept_section) New function.
 198         (Sized_relobj::include_linkonce_section): Add new parameter.
 199         * target-reloc.h (Comdat_behavior): New type.
 200         (get_comdat_behavior): New function.
 201         (relocate_section): Add code to map a discarded section to the
 202         corresponding kept section when applying a relocation.
 203
 204 2008-04-30  Craig Silverstein  <csilvers@google.com>
 205
 206         * dwarf_reader.cc (next_generation_count): New static var.
 207         (Addr2line_cache_entry): New struct.
 208         (addr2line_cache): New static var.
 209         (Dwarf_line_info::one_addr2line): Added caching.
 210         (Dwarf_line_info::clear_addr2line_cache): New function.
 211         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
 212         cache-size parameter.
 213         (Dwarf_line_info::one_addr2line_cache): New function.
 214         * symtab.cc (Symbol_table::detect_odr_violations): Pass
 215         new cache-size argument to one_addr2line(), and clear cache.
 216
 217 2008-04-28  Cary Coutant  <ccoutant@google.com>
 218
 219         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
 220         R_386_PC8 relocations.
 221
 222 2008-04-23  Ian Lance Taylor  <iant@google.com>
 223
 224         * object.cc (Sized_relobj::include_section_group): Check for
 225         invalid section group.
 226
 227         * object.cc (make_elf_object): Correct test for 64-bit ELF file
 228         header size.
 229
 230         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
 231         than read for file header.
 232         * archive.cc (Archive::include_member): Likewise.
 233
 234 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
 235
 236         * aclocal.m4: Regenerate.
 237         * configure: Regenerate.
 238
 239 2008-04-19  Ian Lance Taylor  <iant@google.com>
 240
 241         * version.cc (version_string): Bump to 1.6.
 242
 243         * testsuite/Makefile.am (many_sections_r_test): New target.
 244         (many_sections_r_test_SOURCES): Remove.
 245         (many_sections_r_test_DEPENDENCIES): Remove.
 246         (many_sections_r_test_LDFLAGS): Remove.
 247         (many_sections_r_test_LDADD): Remove.
 248
 249         * object.cc (Sized_relobj::do_add_symbols): Always pass
 250         local_symbol_count_ to add_from_relobj.
 251
 252         * testsuite/Makefile.am (many_sections_check.h): Only check one in
 253         every thousand variables.
 254         * testsuite/Makefile.in: Rebuild.
 255
 256         * object.cc (Xindex::initialize_symtab_xindex): New function.
 257         (Xindex::read_symtab_xindex): New function.
 258         (Xindex::sym_xindex_to_shndx): New function.
 259         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
 260         available.
 261         (Sized_relobj::do_initialize_xindex): New function.
 262         (Sized_relobj::do_read_symbols): Adjust section links.
 263         (Sized_relobj::symbol_section_and_value): Add is_ordinary
 264         parameter.  Change all callers.
 265         (Sized_relobj::include_section_group): Adjust section links and
 266         symbol section indexes.
 267         (Sized_relobj::do_layout): Adjust section links.
 268         (Sized_relobj::do_count_local_symbols): Adjust section links and
 269         symbol section indexes.
 270         (Sized_relobj::do_finalize_local_symbols): Distinguish between
 271         ordinary and special symbols.
 272         (Sized_relobj::write_local_symbols): Add symtab_xindex and
 273         dynsym_xindex parameters.  Change all callers.  Adjust section
 274         links.  Use SHN_XINDEX when needed.
 275         (Sized_relobj::get_symbol_location_info): Adjust section links.
 276         Don't get fooled by special symbols.
 277         * object.h (class Xindex): Define.
 278         (class Object): Add xindex_ parameter.  Declare virtual functoin
 279         do_initialize_xindex.
 280         (Object::adjust_sym_shndx): New function.
 281         (Object::set_xindex): New protected function.
 282         (class Symbol_value): Add is_ordinary_shndx_ field.
 283         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
 284         (Symbol_value::value): Assert ordinary section.
 285         (Symbol_value::initialize_input_to_output_map): Likewise.
 286         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
 287         Change all callers.
 288         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
 289         all callers.
 290         (class Sized_relobj): Update declarations.
 291         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
 292         parameter.  Change all callers.
 293         (Sized_relobj::adjust_shndx): New function.
 294         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
 295         field.
 296         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
 297         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
 298         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
 299         (Sized_dynobj::read_dynsym_section): Adjust section links.
 300         (Sized_dynobj::read_dynamic): Likewise.
 301         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
 302         section links.
 303         (Sized_dynobj::do_initialize_xindex): New function.
 304         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
 305         do_initialize_xindex.
 306         (Sized_dynobj::adjust_shndx): New function.
 307         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
 308         dynsym_xindex_ fields.
 309         (Layout::finalize): Add a call to set_section_indexes before
 310         creating the symtab sections.
 311         (Layout::set_section_indexes): Don't do anything if the section
 312         already has a section index.
 313         (Layout::create_symtab_sections): Add shnum parameter.  Change
 314         caller.  Create .symtab_shndx section if needed.
 315         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
 316         caller.
 317         (Layout::allocated_output_section_count): New function.
 318         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
 319         needed.
 320         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
 321         fields.  Update declarations.
 322         (Layout::symtab_xindex): New function.
 323         (Layout::dynsym_xindex): New function.
 324         (class Write_symbols_task): Add layout_ field.
 325         (Write_symbols_task::Write_symbols_task): Add layout parameter.
 326         Change caller.
 327         * output.cc (Output_section_headers::Output_section_headers): Add
 328         shstrtab_section parameter.  Change all callers.
 329         (Output_section_headers::do_sized_write): Store overflow values
 330         for section count and section string table section index in
 331         section header zero.
 332         (Output_file_header::do_sized_write): Check for overflow of
 333         section count and section string table section index.
 334         (Output_symtab_xindex::do_write): New function.
 335         (Output_symtab_xindex::endian_do_write): New function.
 336         * output.h (class Output_section_headers): Add shstrtab_section_.
 337         Update declarations.
 338         (class Output_symtab_xindex): Define.
 339         (Output_section::has_out_shndx): New function.
 340         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
 341         field.
 342         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
 343         Change all callers.
 344         (Sized_symbol::init): Likewise.
 345         (Symbol::output_section): Check for ordinary symbol.
 346         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
 347         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
 348         callers.
 349         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
 350         Change all callers.  Simplify handling of symbols from sections
 351         not included in the link.
 352         (Symbol_table::add_from_dynobj): Handle ordinary symbol
 353         distinction.
 354         (Weak_alias_sorter::operator()): Assert that symbols are
 355         ordinary.
 356         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
 357         distinction.
 358         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
 359         parameters.  Change all callers.
 360         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
 361         symbol distinction.  Use SHN_XINDEX when needed.
 362         (Symbol_table::write_section_symbol): Add symtab_xindex
 363         parameter.  Change all callers.
 364         (Symbol_table::sized_write_section_symbol): Likewise.  Use
 365         SHN_XINDEX when needed.
 366         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
 367         declarations.
 368         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
 369         (Symbol::is_defined): Check is_ordinary.
 370         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
 371         (Symbol::is_absolute, Symbol::is_common): Likewise.
 372         (class Sized_symbol): Update declarations.
 373         (class Symbol_table): Update declarations.
 374         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
 375         parameters.  Change all callers.
 376         (Sized_symbol::override): Likewise.
 377         (Symbol_table::override): Likewise.
 378         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
 379         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
 380         is_ordinary, and orig_st_shndx parameters.  Change all callers.
 381         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
 382         to be in an ordinary section.
 383         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
 384         object and is_ordinary parameters.  Change all callers.
 385         (Sized_dwarf_line_info::read_relocs): Add object parameter.
 386         Change all callers.  Don't add undefined or non-ordinary symbols
 387         to reloc_map_.
 388         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
 389         Change all callers.
 390         * dwarf_reader.h (class Sized_dwarf_line_info): Update
 391         declarations.
 392         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
 393         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
 394         (Sized_relobj::relocate_sections): Likewise.
 395         * target-reloc.h (scan_relocs): Adjust section symbol index.
 396         (scan_relocatable_relocs): Likewise.
 397         * i386.cc (Scan::local): Check for ordinary symbols.
 398         * sparc.cc (Scan::local): Likewise.
 399         * x86_64.cc (Scan::local): Likewise.
 400         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
 401         to symbol_section_and_value.
 402         * testsuite/many_sections_test.cc: New file.
 403         * testsuite/Makefile.am (BUILT_SOURCES): Define.
 404         (check_PROGRAMS): Add many_sections_test.
 405         (many_sections_test_SOURCES): Define.
 406         (many_sections_test_DEPENDENCIES): Define.
 407         (many_sections_test_LDFLAGS): Define.
 408         (BUILT_SOURCES): Add many_sections_define.h.
 409         (many_sections_define.h): New target.
 410         (BUILT_SOURCES): Add many_sections_check.h.
 411         (many_sections_check.h): New target.
 412         (check_PROGRAMS): Add many_sections_r_test.
 413         (many_sections_r_test_SOURCES): Define.
 414         (many_sections_r_test_DEPENDENCIES): Define.
 415         (many_sections_r_test_LDFLAGS): Define.
 416         (many_sections_r_test_LDADD): Define.
 417         (many_sections_r_test.o): New target.
 418         * testsuite/Makefile.in: Rebuild.
 419
 420 2008-04-17  Cary Coutant  <ccoutant@google.com>
 421
 422         * errors.cc (Errors::info): New function.
 423         (gold_info): New function.
 424         * errors.h (Errors::info): New function.
 425         * gold.h (gold_info): New function.
 426         * object.cc (Input_objects::add_object): Print trace output.
 427         * options.cc (options::parse_set): New function.
 428         (General_options::parse_wrap): Deleted.
 429         (General_options::General_options): Deleted initializer.
 430         * options.h (options::String_set): New typedef.
 431         (options::parse_set): New function.
 432         (DEFINE_set): New macro.
 433         (General_options::wrap): Changed to use DEFINE_set. Changed
 434         callers of any_wrap_symbols and is_wrap_symbol.
 435         (General_options::trace, General_options::trace_symbol):
 436         New options.
 437         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
 438         (General_options::wrap_symbols_): Deleted.
 439         * symtab.cc (Symbol_table::add_from_object): Print trace output.
 440
 441 2008-04-17  David S. Miller  <davem@davemloft.net>
 442
 443         * options.cc (General_options::parse_V): New function.
 444         * options.h: Add entries for -V and -Qy.
 445
 446 2008-04-17  Ian Lance Taylor  <iant@google.com>
 447
 448         * common.cc (Symbol_table::allocate_commons): Remove options
 449         parameter.  Change caller.
 450         (Symbol_table::do_allocate_commons): Remove options parameter.
 451         Change caller.  Just call do_allocate_commons_list twice.
 452         (Symbol_table::do_allocate_commons_list): New function, broken out
 453         of do_allocate_commons.
 454         * common.h (class Allocate_commons_task): Remove options_ field.
 455         Update constructor.
 456         * symtab.cc (Symbol_table::Symbol_table): Initialize
 457         tls_commons_.
 458         (Symbol_table::add_from_object): Put TLS common symbols on
 459         tls_commons_ list.
 460         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
 461         which are IN_OUTPUT_DATA.
 462         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
 463         allocate_commons and do_allocate_commons declarations.  Declare
 464         do_allocate_commons_list.
 465         * gold.cc (queue_middle_tasks): Update creation of
 466         Allocate_commons_task to not pass options.
 467         * testsuite/Makefile.am (INCLUDES): Add -I.. .
 468         (TLS_TEST_C_FLAGS): New variable.
 469         (tls_test_c_pic.o): New target.
 470         (tls_test_shared.so): Link in tls_test_c_pic.o.
 471         (tls_test_c_pic_ie.o): New target.
 472         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
 473         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
 474         (tls_test_c.o): New target.
 475         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
 476         (tls_pic_test_LDADD): Likewise.
 477         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
 478         (tls_shared_gd_to_ie_test_LDADD): Likewise.
 479         (tls_test_c_gnu2.o): New target.
 480         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
 481         tls_test_c_gnu2.o.
 482         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
 483         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
 484         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
 485         * testsuite/tls_test.cc: Include "config.h".
 486         (t_last): Call t11_last.
 487         * testsuite/tls_test.h (t11, t11_last): Declare.
 488         * testsuite/tls_test_c.c: New file.
 489         * testsuite/tls_test_main.cc (thread_routine): Call t11.
 490         * configure.ac: Check for OpenMP support.
 491         * configure, config.in, Makefile.in: Rebuild.
 492         * testsuite/Makefile.in: Rebuild.
 493
 494 2008-04-16  Cary Coutant  <ccoutant@google.com>
 495
 496         * i386.cc (Target_i386::define_tls_base_symbol): New function.
 497         (Target_i386::tls_base_symbol_defined_): New field.
 498         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
 499         (Target_i386::Scan::global): Likewise.
 500         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
 501         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
 502         (Target_x86_64::tls_base_symbol_defined_): New field.
 503         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
 504         (Target_x86_64::Scan::global): Likewise.
 505
 506 2008-04-16  Cary Coutant  <ccoutant@google.com>
 507
 508         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
 509         (Symbol::needs_plt_entry): Allow weak undefined symbols.
 510         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
 511         building shared libraries.
 512         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
 513         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
 514         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
 515         * testsuite/Makefile.in: Rebuild.
 516         * testsuite/weak_undef.h: New file.
 517         * testsuite/weak_undef_file1.cc: Add extra test cases.
 518         * testsuite/weak_undef_file2.cc: Likewise.
 519         * testsuite/weak_undef_test.cc: Likewise.
 520
 521 2008-04-16  David S. Miller  <davem@davemloft.net>
 522
 523         * sparc.cc (Target_sparc::Scan): Change from struct to class.
 524         Add issued_non_pic_error_ field.  Declare check_non_pic.
 525         (Target_sparc::Scan::check_non_pic): New function.
 526         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
 527         (Target_sparc::Scan::global): Likewise.
 528
 529         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
 530         * configure: Rebuild.
 531
 532         * options.h (DEFINE_enable): New macro.
 533         (new_dtags): New enable option.
 534         (initfirst, interpose, loadfltr, nodefaultlib,
 535         nodelete, nodlopen, nodump): New -z options.
 536         * layout.cc (Layout:finish_dynamic_section): If new
 537         dtags enabled, emit DT_RUNPATH.  Also, emit a
 538         DT_FLAGS_1 containing any specified -z flags.
 539
 540 2008-04-16  Ian Lance Taylor  <iant@google.com>
 541
 542         * copy-relocs.cc: New file.
 543         * copy-relocs.h: New file.
 544         * reloc.cc: Remove Copy_relocs code.
 545         * reloc.h: Likewise.
 546         * reloc-types.h (struct Reloc_types) [both versions]: Add
 547         get_reloc_addend_noerror.
 548         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
 549         variants of add_global which take an addend which must be zero.
 550         * i386.cc: Include "copy-relocs.h".
 551         (class Target_i386): Change type of copy_relocs_ to variable,
 552         update initializer.
 553         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
 554         Change all callers.
 555         (Target_i386::do_finalize_sections): Change handling of
 556         copy_relocs_.
 557         * sparc.cc: Include "copy-relocs.h".
 558         (class Target_sparc): Change type of copy_relocs_ to variable,
 559         update initializer.
 560         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
 561         Change all callers.
 562         (Target_sparc::do_finalize_sections): Change handling of
 563         copy_relocs_.
 564         * x86_64.cc: Include "copy-relocs.h".
 565         (class Target_x86_64): Change type of copy_relocs_ to variable,
 566         update initializer.
 567         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
 568         class.  Change all callers.
 569         (Target_x86_64::do_finalize_sections): Change handling of
 570         copy_relocs_.
 571         * Makefile.am (CCFILES): Add copy-relocs.cc.
 572         (HFILES): Add copy-relocs.h.
 573
 574         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
 575
 576         * testsuite/script_test_4.sh: Permit leading zeroes.
 577
 578 2008-04-15  Ian Lance Taylor  <iant@google.com>
 579
 580         * script-sections.cc (Script_sections::create_segments): Use
 581         header_size_adjustment even when there is enough room for the
 582         headers.
 583         * testsuite/script_test_4.sh: New file.
 584         * testsuite/script_test_4.t: New file.
 585         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
 586         (check_DATA): Add script_test_4.stdout.
 587         (MOSTLYCLEANFILES): Likewise.
 588         (script_test_4): New target.
 589         (script_test_4.stdout): New target.
 590         * testsuite/Makefile.in: Rebuild.
 591
 592         * sparc.cc: Add definitions for Output_data_plt_sparc class
 593         constants.
 594
 595 2008-04-14  David S. Miller  <davem@davemloft.net>
 596
 597         * sparc.cc: New file.
 598         * Makefile.am (TARGETSOURCES): Add sparc.cc
 599         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
 600         * configure.tgt: Document targ_extra_size and
 601         targ_extra_big_endian.  Add entries for sparc-* and
 602         sparc64-*.
 603         * configure.ac: Handle targ_extra_size and
 604         targ_extra_big_endian.
 605         * Makefile.in: Rebuild.
 606         * configure: Likewise.
 607         * po/POTFILES.in: Likewise.
 608         * po/gold.pot: Likewise.
 609
 610 2008-04-14  Ian Lance Taylor  <iant@google.com>
 611
 612         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
 613         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
 614         in the name/type/flags to section mapping.  Don't call
 615         allocate_output_section.
 616         (Layout::choose_output_section): Change parameter from adjust_name
 617         to is_input_section.  Don't permit input sections after sections
 618         are attached to segments.  Don't call allocate_output_section.
 619         (Layout::layout_eh_frame): Call update_flags_for_input_section,
 620         not write_enable_output_section.
 621         (Layout::make_output_section): Don't push to
 622         unattached_section_list_ nor call attach_to_segment.  Call
 623         attach_section_to_segment if sections are attached.
 624         (Layout::attach_sections_to_segments): New function.
 625         (Layout::attach_section_to_segment): New function.
 626         (Layout::attach_allocated_section_to_segment): Rename from
 627         attach_to_segment.  Remove flags parameter.
 628         (Layout::allocate_output_section): Remove function.
 629         (Layout::write_enable_output_section): Remove function.
 630         * layout.h (class Layout): Update for above changes.  Add new
 631         field sections_are_attached_.
 632         * output.h (Output_section::update_flags_for_input_section): New
 633         function.
 634         * output.cc (Output_section::add_input_section): Call
 635         update_flags_for_input_section.
 636         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
 637
 638 2008-04-11  Cary Coutant  <ccoutant@google.com>
 639
 640         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
 641         thought unnecessary.
 642         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
 643
 644 2008-04-11  Ian Lance Taylor  <iant@google.com>
 645
 646         * output.h (class Output_section_data): Remove inline definition
 647         of set_addralign.
 648         * output.cc (Output_section_data::set_addralign): New function.
 649
 650 2008-04-11  Cary Coutant  <ccoutant@google.com>
 651
 652         Add support for TLS descriptors for i386 and x86_64.
 653         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
 654         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
 655         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
 656         GOT_TYPE_TLS_DESC.
 657         (Target_i386::got_mod_index_entry): Remove unnecessary code.
 658         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
 659         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
 660         relocations.
 661         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
 662         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
 663         Fix problem with initial-exec relocations.
 664         (Target_i386::Relocate::relocate_tls): Likewise.
 665         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
 666         relaxation.
 667         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
 668         support for section-plus-offset dynamic table entries.
 669         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
 670         (Output_data_dynamic::Dynamic_entry): Add support for
 671         section-plus-offset dynamic table entries.
 672         (Output_data_dynamic::Classification): Likewise.
 673         (Output_data_dynamic::classification_): Renamed offset_.
 674         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
 675         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
 676         (Target_x86_64::make_plt_section): New function.
 677         (Target_x86_64::reserve_tlsdesc_entries): New function.
 678         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
 679         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
 680         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
 681         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
 682         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
 683         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
 684         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
 685         add extra PLT entry for TLS descriptors.
 686         (Output_data_plt_x86_64::got_): New field.
 687         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
 688         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
 689         fields.
 690         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
 691         descriptors.
 692         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
 693         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
 694         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
 695         R_386_TLS_DESC_CALL relocations.
 696         (Target_x86_64::Scan::global): Likewise.
 697         (Target_x86_64::do_finalize_sections): Add dynamic table entries
 698         for TLS descriptors.
 699         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
 700         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
 701         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
 702         GD-to-IE relaxation.
 703         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
 704         and TLS_DESCRIPTORS.
 705         * Makefile.in: Rebuild.
 706         * configure: Rebuild.
 707         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
 708         (tls_test_shared2.so): New target.
 709         (tls_shared_gd_to_ie_test_SOURCES): New variable.
 710         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
 711         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
 712         (tls_shared_gd_to_ie_test_LDADD): New variable.
 713         (tls_shared_gnu2_gd_to_ie_test): New target.
 714         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
 715         New targets.
 716         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
 717         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
 718         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
 719         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
 720         (tls_shared_gnu2_test): New target.
 721         (tls_test_gnu2_shared.so): New target.
 722         (tls_shared_gnu2_test_SOURCES): New variable.
 723         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
 724         (tls_shared_gnu2_test_LDFLAGS): New variable.
 725         (tls_shared_gnu2_test_LDADD): New variable.
 726         * testsuite/Makefile.in: Rebuild.
 727         * testsuite/Makefile.
 728
 729 2008-04-11  Ian Lance Taylor  <iant@google.com>
 730
 731         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
 732         justsyms.t.
 733         * testsuite/Makefile.in: Rebuild.
 734
 735         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
 736         long.
 737         * testsuite/script_test_2.cc (main): Adjust test.
 738
 739 2008-04-11  David S. Miller  <davem@davemloft.net>
 740             Ian Lance Taylor  <iant@google.com>
 741
 742         * options.h (General_options): Add entries for '-Y' and
 743         '-relax'.
 744         * options.cc (General_options:finalize): If -Y was used, add those
 745         entries to the library path instead of the default "/lib" and
 746         "/usr/lib".
 747
 748 2008-04-11  David S. Miller  <davem@davemloft.net>
 749
 750         * testsuite/justsyms.t: Start at 0x100.
 751         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
 752         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
 753         long.
 754         * testsuite/script_test_2.cc: Adjust string and section length
 755         checks.
 756
 757 2008-04-09  Ian Lance Taylor  <iant@google.com>
 758
 759         PR gold/5996
 760         * script-sections.cc (Sections_element::allocate_to_segment): Add
 761         orphan parameter.
 762         (Output_section_definition::allocate_to_segment): Likewise.
 763         (Orphan_output_section::allocate_to_segment): Likewise.
 764         (Script_sections::attach_sections_using_phdrs_clause): Don't
 765         propagate non-PT_LOAD segments to orphan sections.
 766         * testsuite/Makefile.am (script_test_3.stdout): Generate using
 767         readelf rather than objdump.
 768         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
 769         .interp section and PT_INTERP segment are the same size.
 770         * testsuite/Makefile.in: Rebuild.
 771
 772         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
 773         aliases for symbols defined in the same object.
 774         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
 775         (weak_alias_test_SOURCES): New variable.
 776         (weak_alias_test_DEPENDENCIES): New variable.
 777         (weak_alias_test_LDFLAGS): New variable.
 778         (weak_alias_test_LDADD): New variable.
 779         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
 780         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
 781         (weak_alias_test_3.o): New target.
 782         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
 783         * testsuite/weak_alias_test_main.cc: New file.
 784         * testsuite/weak_alias_test_1.cc: New file.
 785         * testsuite/weak_alias_test_2.cc: New file.
 786         * testsuite/weak_alias_test_3.cc: New file.
 787
 788 2008-04-08  Ian Lance Taylor  <iant@google.com>
 789
 790         * options.h (class General_options): Add --noinhibit-exec option.
 791         * main.cc (main): Check --noinhibit-exec.
 792
 793         * options.h (class General_options): Define --wrap as a special
 794         option.  Add wrap_symbols_ field.
 795         (General_options::any_wrap_symbols): New function.
 796         (General_options::is_wrap_symbol): New function.
 797         * options.cc (General_options::parse_wrap): New function.
 798         (General_options::General_options): Initialize wrap_symbols_.
 799         * symtab.cc (Symbol_table::wrap_symbol): New function.
 800         (Symbol_table::add_from_object): Handle --wrap.
 801         * symtab.h (class Symbol_table): Declare wrap_symbol.
 802         * target.h (Target::wrap_char): New function.
 803         (Target::Target_info): Add wrap_char field.
 804         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
 805         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 806         * testsuite/testfile.cc (Target_test::test_target_info):
 807         Likewise.
 808
 809         * errors.cc (Errors::undefined_symbol): Mention symbol version if
 810         there is one.
 811
 812         * layout.h (class Layout): Add added_eh_frame_data_ field.
 813         * layout.cc (Layout::Layout): Initialize new field.
 814         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
 815         output section until we find a section we merged successfully.
 816         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
 817         that the size be non-zero.
 818
 819         * merge.cc (Object_merge_map::get_output_offset): Remove inline
 820         qualifier.
 821
 822 2008-04-08  Craig Silverstein  <csilvers@google.com>
 823
 824         * configure.ac: Export new conditional variable HAVE_ZLIB.
 825         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
 826         on HAVE_ZLIB.
 827         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
 828         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 829
 830 2008-04-07  Ian Lance Taylor  <iant@google.com>
 831
 832         * version.cc (version_string): Set to "1.5".
 833
 834         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
 835         Add issued_non_pic_error_ field.  Declare check_non_pic.
 836         (Target_x86_64::Scan::check_non_pic): New function.
 837         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
 838         (Target_x86_64::Scan::global): Likewise.
 839
 840         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
 841         addend parameter.  Change caller.  Handle merge sections.
 842         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
 843         Address to Addend.  Don't add in the result of
 844         local_section_offset, pass down the addend and use the returned
 845         value.
 846         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
 847         Update declarations of local_section_offset and symbol_value.
 848         * testsuite/two_file_test_1.cc (t18): New function.
 849         * testsuite/two_file_test_2.cc (f18): New function.
 850         * testsuite/two_file_test_main.cc (main): Call t18.
 851         * testsuite/two_file_test.h (t18, f18): Declare.
 852
 853         * configure.ac: Don't test for objdump, c++filt, or readelf.
 854         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
 855         conditionals.
 856         (TEST_READELF): New variable.
 857         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
 858         (check_PROGRAMS): Add two_file_strip_test.
 859         (two_file_strip_test): New target.
 860         (check_PROGRAMS): Add two_file_same_shared_strip_test.
 861         (two_file_same_shared_strip_test_SOURCES): New variable.
 862         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
 863         (two_file_same_shared_strip_test_LDFLAGS): New variable.
 864         (two_file_same_shared_strip_test_LDADD): New variable.
 865         (two_file_shared_strip.so): New target.
 866         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
 867         (ver_test_5.syms, ver_test_7.syms): Likewise.
 868         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
 869         (strip_test_3.stdout): Use TEST_OBJDUMP.
 870         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
 871
 872 2008-04-04  Cary Coutant  <ccoutant@google.com>
 873
 874         * symtab.h (Symbol::is_weak_undefined): New function.
 875         (Symbol::is_strong_undefined): New function.
 876         (Symbol::is_absolute): New function.
 877         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
 878         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
 879         absolute symbols.
 880         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
 881         (weak_undef_test): New target.
 882         * testsuite/Makefile.in: Rebuild.
 883         * testsuite/weak_undef_file1.cc: New file.
 884         * testsuite/weak_undef_file2.cc: New file.
 885         * testsuite/weak_undef_test.cc: New file.
 886
 887 2008-04-03  Craig Silverstein  <csilvers@google.com>
 888
 889         * compressed_output.h (class Output_compressed_section): Use
 890         unsigned buffer.
 891         * compressed_output.cc (zlib_compress): Use unsigned buffers,
 892         add zlib header.
 893         (zlib_compressed_suffix): Removed.
 894         (Output_compressed_section::set_final_data_size): Use unsigned
 895         buffers.
 896         * testsuite/Makefile.am (flagstest_compress_debug_sections):
 897         Fix linker invocation.
 898         (flagstest_o_specialfile_and_compress_debug_sections):
 899         Likewise.
 900         * testsuite/Makefile.in: Regenerated.
 901
 902 2008-04-02  David S. Miller  <davem@davemloft.net>
 903
 904         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
 905         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
 906
 907 2008-04-02  Craig Silverstein  <csilvers@google.com>
 908
 909         * TODO: New file.
 910
 911 2008-04-02  Ian Lance Taylor  <iant@google.com>
 912
 913         * fileread.cc (File_read::find_view): Add byteshift and vshifted
 914         parameters.  Update for new key type to views_.  Change all
 915         callers.
 916         (File_read::read): Adjust for byteshift in returned view.
 917         (File_read::add_view): New function, broken out of
 918         find_and_make_view.
 919         (File_read::make_view): New function, broken out of
 920         find_and_make_view.
 921         (File_read::find_or_make_view): Add offset and aligned
 922         parameters.  Rewrite accordingly.  Change all callers.
 923         (File_read::get_view): Add offset and aligned parameters.  Adjust
 924         for byteshift in return value.
 925         (File_read::get_lasting_view): Likewise.
 926         * fileread.h (class File_read): Update declarations.
 927         (class File_read::View): Add byteshift_ field.  Add byteshift to
 928         constructor.  Add byteshift method.
 929         * archive.h (Archive::clear_uncached_views): New function.
 930         (Archive::get_view): Add aligned parameter.  Change all callers.
 931         * object.h (Object::get_view): Add aligned parameter.  Change all
 932         callers.
 933         (Object::get_lasting_view): Likewise.
 934
 935         * fileread.cc (File_read::release): Don't call clear_views if
 936         there are multiple objects.
 937         * fileread.h (File_read::clear_uncached_views): New function.
 938         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
 939         on the archive.
 940
 941 2008-03-31  Cary Coutant  <ccoutant@google.com>
 942
 943         Add thin archive support.
 944         * archive.cc (Archive::armagt): New const.
 945         (Archive::setup): Remove task parameter and calls to unlock.
 946         (Archive::unlock_nested_archives): New function.
 947         (Archive::read_header): Add nested_off parameter. Change
 948         all callers.
 949         (Archive::interpret_header): Likewise.
 950         (Archive::include_all_members): Change to handle thin
 951         archives.
 952         (Archive::include_member): Likewise.
 953         * archive.h (Archive::Archive): Add new parameters and
 954         initializers.
 955         (Archive::armagt): New const.
 956         (Archive::setup): Remove task parameter.
 957         (Archive::unlock_nested_archives): New function.
 958         (Archive::read_header): Add nested_off parameter.
 959         (Archive::interpret_header): Likewise.
 960         (Archive::Nested_archive_table): New typedef.
 961         (Archive::is_thin_archive_): New field.
 962         (Archive::nested_archives_): New field.
 963         (Archive::options_): New field.
 964         (Archive::dirpath_): New field.
 965         (Archive::task_): New field.
 966         * readsyms.cc (Read_symbols::do_read_symbols): Add check
 967         for thin archives.  Pass additional parameters to
 968         Archive::Archive.  Unlock the archive file after calling
 969         Archive::setup.
 970
 971 2008-03-29  Ian Lance Taylor  <iant@google.com>
 972
 973         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
 974         version symbol to be local.
 975         * testsuite/ver_test_4.sh: New file.
 976         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
 977         (check_DATA): Add ver_test_4.syms.
 978         (ver_test_4.syms): New target.
 979         * testsuite/Makefile.in: Rebuild.
 980
 981         * output.cc
 982         (Output_section::Input_section_sort_entry::has_priority): New
 983         function.
 984         (Output_section::Input_section_sort_entry::match_file_name): New
 985         function.
 986         (Output_section::Input_section_sort_entry::match_section_name):
 987         Remove.
 988         (Output_section::Input_section_sort_entry::match_section_name_prefix):
 989         Remove.
 990         (Output_section::Input_section_sort_entry::match_section_file):
 991         Remove.
 992         (Output_section::Input_section_sort_compare::operator()): Rewrite
 993         using new Input_section_sort_entry functions.  Sort crtbegin and
 994         crtend first.  Sort sections with no priority before sections with
 995         a priority.
 996         * testsuite/initpri1.c (d3): Check j != 4.
 997         (cd5): New constructor/destructor function.
 998         (main): Check j != 2.
 999
1000         * symtab.cc (Symbol_table::add_from_object): If we don't use the
1001         new symbol when resolving, don't call set_is_default.
1002         * testsuite/ver_test_7.cc: New file.
1003         * testsuite/ver_test_7.sh: New file.
1004         * testsuite/Makefile.am (ver_test_7.so): New target.
1005         (ver_test_7.o): New target.
1006         (check_SCRIPTS): Add ver_test_7.sh.
1007         (check_DATA): Add ver_test_7.syms.
1008         (ver_test_7.syms): New target.
1009
1010 2008-03-28  Ian Lance Taylor  <iant@google.com>
1011
1012         * layout.cc (Layout::layout): If we see an input section with a
1013         name that needs sorting, set the must_sort flag for the output
1014         section.
1015         (Layout::make_output_section): If the name of the output section
1016         indicates that it might require sorting, set the may_sort flag.
1017         * output.h (Output_section::may_sort_attached_input_sections): New
1018         function.
1019         (Output_section::set_may_sort_attached_input_sections): New
1020         function.
1021         (Output_section::must_sort_attached_input_sections): New
1022         function.
1023         (Output_section::set_must_sort_attached_input_sections): New
1024         function.
1025         (class Output_section): Declare Input_section_sort_entry.  Define
1026         Input_section_sort_compare.  Declare
1027         sort_attached_input_sections.  Add new fields:
1028         may_sort_attached_input_sections_,
1029         must_sort_attached_input_sections_,
1030         attached_input_sections_are_sorted_.
1031         * output.cc (Output_section::Output_section): Initialize new
1032         fields.
1033         (Output_section::add_input_section): Add an entry to
1034         input_sections_ if may_sort or must_sort are true.
1035         (Output_section::set_final_data_size): Call
1036         sort_attached_input_sections if necessary.
1037         (Output_section::Input_section_sort_entry): Define new class.
1038         (Output_section::Input_section_sort_compare::operator()): New
1039         function.
1040         (Output_section::sort_attached_input_sections): New function.
1041         * configure.ac: Check whether the compiler supports constructor
1042         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
1043         * testsuite/initpri1.c: New file.
1044         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
1045         CONSTRUCTOR_PRIORITY.
1046         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
1047         (initpri1_LDFLAGS): New variable.
1048         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1049
1050 2008-03-27  Ian Lance Taylor  <iant@google.com>
1051
1052         * common.cc (Sort_commons::operator): Correct sorting algorithm.
1053         * testsuite/common_test_1.c: New file.
1054         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
1055         (common_test_1_SOURCES): New variable.
1056         (common_test_1_DEPENDENCIES): New variable.
1057         (common_test_1_LDFLAGS): New variable.
1058
1059         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
1060         and commons_ correctly when NAME/VERSION does not override
1061         NAME/NULL.
1062         * testsuite/ver_test_6.c: New file.
1063         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
1064         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
1065         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
1066
1067 2008-03-26  Ian Lance Taylor  <iant@google.com>
1068
1069         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
1070         of an undefined symbol from a version script.
1071         * testsuite/Makefile.am (ver_test_5.so): New target.
1072         (ver_test_5.o): New target.
1073         (check_SCRIPTS): Add ver_test_5.sh.
1074         (check_DATA): Add ver_test_5.syms.
1075         (ver_test_5.syms): New target.
1076         * testsuite/ver_test_5.cc: New file.
1077         * testsuite/ver_test_5.script: New file.
1078         * testsuite/ver_test_5.sh: New file.
1079         * Makefile.in, testsuite/Makefile.in: Rebuild.
1080
1081         PR gold/5986
1082         Fix problems building gold with gcc 4.3.0.
1083         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
1084         (gold_error_at_location, gold_warning_at_location): Use it.
1085         * configure.ac: Check whether we can compile and use a template
1086         function with a printf attribute.
1087         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
1088         when jumping over bytes.
1089         * object.cc: Instantiate Object::read_section_data.
1090         * debug.h: Include <cstring>
1091         * dwarf_reader.cc: Include <algorithm>
1092         * main.cc: Include <cstring>.
1093         * options.cc: Include <cstring>.
1094         * output.cc: Include <cstring>.
1095         * script.cc: Include <cstring>.
1096         * script.h: Include <string>.
1097         * symtab.cc: Include <cstring> and <algorithm>.
1098         * target-select.cc: Include <cstring>.
1099         * version.cc: Include <string>.
1100         * testsuite/testmain.cc: Include <cstdlib>.
1101         * configure, config.in: Rebuild.
1102
1103 2008-03-25  Ian Lance Taylor  <iant@google.com>
1104
1105         * options.cc: Include "../bfd/bfdver.h".
1106         (options::help): Print bug reporting address.
1107
1108         * version.cc (print_version): Adjust output for current value of
1109         BFD_VERSION_STRING.
1110
1111         * NEWS: New file.
1112
1113         * options.cc (options::help): Print list of supported targets.
1114         * target-select.h: Include <vector>.
1115         (class Target_selector): Make machine_, size_, and is_big_endian_
1116         fields const.  Add bfd_name_ and instantiated_target_ fields.
1117         (Target_selector::Target_selector): Add bfd_name parameter.
1118         (Target_selector::recognize): Make non-virtual, call
1119         do_recognize.
1120         (Target_selector::recognize_by_name): Make non-virtual, call
1121         do_recognize_by_name.
1122         (Target_selector::supported_names): New function.
1123         (Target_selector::bfd_name): New function.
1124         (Target_selector::do_instantiate_target): New pure virtual
1125         function.
1126         (Target_selector::do_recognize): New virtual function.
1127         (Target_selector::do_recognize_by_name): New virtual function.
1128         (Target_selector::instantiate_target): New private function.
1129         (supported_target_names): Declare.
1130         * target-select.cc (Target_selector::Target_selector): Update for
1131         new parameter and fields.
1132         (select_target_by_name): Check that the name matches before
1133         calling recognize_by_name.
1134         (supported_target_names): New function.
1135         * i386.cc (class Target_selector_i386): Update Target_selector
1136         constructor call.  Remove recognize and recognize_by_name.  Add
1137         do_instantiate_target.
1138         * x86_64.cc (class Target_selector_x86_64): Likewise.
1139         * testsuite/testfile.cc (class Target_selector_test): Update for
1140         changes to Target_selector.
1141
1142         * README: Rewrite, with some notes on unsupported features.
1143
1144 2008-03-24  Cary Coutant  <ccoutant@google.com>
1145
1146         * i386.cc (Target_i386::Got_type): New enum declaration.
1147         (Target_i386::Scan::local): Updated callers of Output_data_got
1148         member functions.
1149         (Target_i386::Scan::global): Likewise.
1150         (Target_i386::Relocate::relocate): Likewise.
1151         (Target_i386::Relocate::relocate_tls): Likewise.
1152         * object.h (Got_offset_list): New class.
1153         (Sized_relobj::local_has_got_offset): Added got_type parameter.
1154         (Sized_relobj::local_got_offset): Likewise.
1155         (Sized_relobj::set_local_got_offset): Likewise.
1156         (Sized_relobj::local_has_tls_got_offset): Removed.
1157         (Sized_relobj::local_tls_got_offset): Removed.
1158         (Sized_relobj::set_local_tls_got_offset): Removed.
1159         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
1160         * output.cc (Output_data_got::add_global): Added got_type parameter.
1161         (Output_data_got::add_global_with_rel): Likewise.
1162         (Output_data_got::add_global_with_rela): Likewise.
1163         (Output_data_got::add_global_pair_with_rel): New function.
1164         (Output_data_got::add_global_pair_with_rela): New function.
1165         (Output_data_got::add_local): Added got_type parameter.
1166         (Output_data_got::add_local_with_rel): Likewise.
1167         (Output_data_got::add_local_with_rela): Likewise.
1168         (Output_data_got::add_local_pair_with_rel): New function.
1169         (Output_data_got::add_local_pair_with_rela): New function.
1170         (Output_data_got::add_global_tls): Removed.
1171         (Output_data_got::add_global_tls_with_rel): Removed.
1172         (Output_data_got::add_global_tls_with_rela): Removed.
1173         (Output_data_got::add_local_tls): Removed.
1174         (Output_data_got::add_local_tls_with_rel): Removed.
1175         (Output_data_got::add_local_tls_with_rela): Removed.
1176         * output.h (Output_data_got::add_global): Added got_type parameter.
1177         (Output_data_got::add_global_with_rel): Likewise.
1178         (Output_data_got::add_global_with_rela): Likewise.
1179         (Output_data_got::add_global_pair_with_rel): New function.
1180         (Output_data_got::add_global_pair_with_rela): New function.
1181         (Output_data_got::add_local): Added got_type parameter.
1182         (Output_data_got::add_local_with_rel): Likewise.
1183         (Output_data_got::add_local_with_rela): Likewise.
1184         (Output_data_got::add_local_pair_with_rel): New function.
1185         (Output_data_got::add_local_pair_with_rela): New function.
1186         (Output_data_got::add_global_tls): Removed.
1187         (Output_data_got::add_global_tls_with_rel): Removed.
1188         (Output_data_got::add_global_tls_with_rela): Removed.
1189         (Output_data_got::add_local_tls): Removed.
1190         (Output_data_got::add_local_tls_with_rel): Removed.
1191         (Output_data_got::add_local_tls_with_rela): Removed.
1192         * resolve.cc (Symbol::override_base_with_special): Removed
1193         reference to has_got_offset_ field.
1194         * symtab.cc (Symbol::init_fields): Replaced initialization
1195         of got_offset_ with got_offsets_.  Removed initialization
1196         of has_got_offset_
1197         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
1198         (Symbol::got_offset): Likewise.
1199         (Symbol::set_got_offset): Likewise.
1200         (Symbol::has_tls_got_offset): Removed.
1201         (Symbol::tls_got_offset): Removed.
1202         (Symbol::set_tls_got_offset): Removed.
1203         (Symbol::got_offset_): Removed.
1204         (Symbol::tls_mod_got_offset_): Removed.
1205         (Symbol::tls_pair_got_offset_): Removed.
1206         (Symbol::got_offsets_): New field.
1207         (Symbol::has_got_offset): Removed.
1208         (Symbol::has_tls_mod_got_offset): Removed.
1209         (Symbol::has_tls_pair_got_offset): Removed.
1210         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
1211         (Target_x86_64::Scan::local): Updated callers of Output_data_got
1212         member functions.
1213         (Target_x86_64::Scan::global): Likewise.
1214         (Target_x86_64::Relocate::relocate): Likewise.
1215         (Target_x86_64::Relocate::relocate_tls): Likewise.
1216
1217 2008-03-25  Ben Elliston  <bje@au.ibm.com>
1218
1219         * yyscript.y: Fix spelling error in comment.
1220
1221 2008-03-24  Ian Lance Taylor  <iant@google.com>
1222
1223         * options.h (class General_options): Define build_id option.
1224         * layout.h (class Layout): Declare write_build_id, create_note,
1225         create_build_id.  Add build_id_note_ member.
1226         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
1227         "libiberty.h", "md5.h", "sha1.h".
1228         (Layout::Layout): Initialize eh_frame_data_,
1229         eh_frame_hdr_section_, and build_id_note_.
1230         (Layout::finalize): Call create_build_id.
1231         (Layout::create_note): New function, broken out of
1232         Layout::create_gold_note.
1233         (Layout::create_gold_note): Call create_note.
1234         (Layout::create_build_id): New function.
1235         (Layout::write_build_id): New function.
1236         (Close_task_runner::run): Call write_build_id.
1237
1238         * x86_64.cc: Correct license to GPLv3.
1239
1240 2008-03-23  Ian Lance Taylor  <iant@google.com>
1241
1242         * options.cc: Include "demangle.h".
1243         (parse_optional_string): New function.
1244         (parse_long_option): Handle takes_optional_argument.
1245         (parse_short_option): Update dash_z initializer.  Handle
1246         takes_optional_argument.
1247         (General_options::General_options): Initialize do_demangle_.
1248         (General_options::finalize): Set do_demangle_.  Handle demangling
1249         style.
1250         * options.h (parse_optional_string): Declare.
1251         (struct One_option): Add optional_arg field.  Update constructor.
1252         Update call constructor calls.  Add takes_optional_argument
1253         function.
1254         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
1255         (DEFINE_optional_string): Define.
1256         (General_options::demangle): Change from DEFINE_bool to
1257         DEFINE_optional_string.
1258         (General_options::no_demangle): New function.
1259         (General_options::do_demangle): New function.
1260         (General_options::set_do_demangle): New function.
1261         (General_options::execstack_status_): Move definition to end of
1262         class definition.
1263         (General_options::static_): Likewise.
1264         (General_options::do_demangle_): New field.
1265         * object.cc (big_endian>::get_symbol_location_info): Call
1266         Options::do_demangle, not Options::demangle.
1267         * symtab.cc (demangle): Likewise.
1268
1269 2008-03-22  Ian Lance Taylor  <iant@google.com>
1270
1271         * gold.h: Include <cstddef> and <sys/types.h>
1272         * options.h: Include <cstring>.
1273
1274 2008-03-21  Ian Lance Taylor  <iant@google.com>
1275
1276         * Added source code to GNU binutils.
1277