gold/ChangeLog

   1 2011-04-11  Cary Coutant  <ccoutant@google.com>
   2
   3         * archive.cc (Archive::include_member): Adjust call to
   4         report_object.
   5         (Add_archive_symbols::run): Track argument serial numbers.
   6         (Lib_group::include_member): Likewise.
   7         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
   8         * archive.h (Incremental_archive_entry::Archive_member):
   9         Initialize arg_serial_.
  10         (Archive_member::arg_serial_): New data member.
  11         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
  12         (Sized_dynobj::do_add_symbols): Track symbols when doing an
  13         incremental link.
  14         (Sized_dynobj::do_for_all_local_got_entries): New function.
  15         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
  16         function.
  17         * fileread.cc (get_mtime): New function.
  18         * fileread.h (get_mtime): New function.
  19         * gold.cc (queue_initial_tasks): Check for incremental update.
  20         (process_incremental_input): New function.
  21         (queue_middle_tasks): Don't force valid target for incremental
  22         update.
  23         * incremental-dump.cc (find_input_containing_global): Adjust
  24         size of symbol info entry.
  25         (dump_incremental_inputs): Dump argument serial number and
  26         in_system_directory flag; bias shndx by 1; print symbol names
  27         when dumping per-file symbol lists; use new symbol info readers.
  28         * incremental.cc
  29         (Output_section_incremental_inputs:update_data_size): New function.
  30         (Sized_incremental_binary::setup_readers): Setup input readers
  31         for each input file; build maps for files added from libraries
  32         and scripts.
  33         (Sized_incremental_binary::check_input_args): New function.
  34         (Sized_incremental_binary::do_check_inputs): Build map of argument
  35         serial numbers to input arguments.
  36         (Sized_incremental_binary::do_file_has_changed): Rename
  37         do_file_is_unchanged to this; compare file modification times.
  38         (Sized_incremental_binary::do_init_layout): New function.
  39         (Sized_incremental_binary::do_reserve_layout): New function.
  40         (Sized_incremental_binary::do_get_input_reader): Remove.
  41         (Sized_incremental_binary::get_symtab_view): New function.
  42         (Incremental_checker::can_incrementally_link_output_file): Remove.
  43         (Incremental_inputs::report_command_line): Exclude --debug options.
  44         (Incremental_inputs::report_archive_begin): Add parameter; track
  45         argument serial numbers; don't put input file entry for archive
  46         before archive members.
  47         (Incremental_inputs::report_archive_end): Put input file entry
  48         for archive after archive members.
  49         (Incremental_inputs::report_object): Add parameter; track argument
  50         serial numbers and in_system_directory flag.
  51         (Incremental_inputs::report_script): Add parameter; track argument
  52         serial numbers.
  53         (Output_section_incremental_inputs::set_final_data_size): Adjust
  54         size of symbol info entry; check for forwarding symbols.
  55         (Output_section_incremental_inputs::write_input_files): Write
  56         in_system_directory flag and argument serial number.
  57         (Output_section_incremental_inputs::write_info_blocks): Map section
  58         indices between incremental info and original input file; store
  59         input section index for each symbol.
  60         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
  61         change operator() to visit().
  62         (class Global_got_offset_visitor): Likewise.
  63         (class Global_symbol_visitor_got_plt):
  64         (Output_section_incremental_inputs::write_got_plt): Use new visitor
  65         classes.
  66         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
  67         (Sized_incr_relobj::do_read_symbols): New function.
  68         (Sized_incr_relobj::do_layout): New function.
  69         (Sized_incr_relobj::do_layout_deferred_sections): New function.
  70         (Sized_incr_relobj::do_add_symbols): New function.
  71         (Sized_incr_relobj::do_should_include_member): New function.
  72         (Sized_incr_relobj::do_for_all_global_symbols): New function.
  73         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
  74         (Sized_incr_relobj::do_section_size): New function.
  75         (Sized_incr_relobj::do_section_name): New function.
  76         (Sized_incr_relobj::do_section_contents): New function.
  77         (Sized_incr_relobj::do_section_flags): New function.
  78         (Sized_incr_relobj::do_section_entsize): New function.
  79         (Sized_incr_relobj::do_section_address): New function.
  80         (Sized_incr_relobj::do_section_type): New function.
  81         (Sized_incr_relobj::do_section_link): New function.
  82         (Sized_incr_relobj::do_section_info): New function.
  83         (Sized_incr_relobj::do_section_addralign): New function.
  84         (Sized_incr_relobj::do_initialize_xindex): New function.
  85         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
  86         (Sized_incr_relobj::do_read_relocs): New function.
  87         (Sized_incr_relobj::do_gc_process_relocs): New function.
  88         (Sized_incr_relobj::do_scan_relocs): New function.
  89         (Sized_incr_relobj::do_count_local_symbols): New function.
  90         (Sized_incr_relobj::do_finalize_local_symbols): New function.
  91         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
  92         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
  93         (Sized_incr_relobj::do_relocate): New function.
  94         (Sized_incr_relobj::do_set_section_offset): New function.
  95         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
  96         (Sized_incr_dynobj::do_read_symbols): New function.
  97         (Sized_incr_dynobj::do_layout): New function.
  98         (Sized_incr_dynobj::do_add_symbols): New function.
  99         (Sized_incr_dynobj::do_should_include_member): New function.
 100         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
 101         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
 102         (Sized_incr_dynobj::do_section_size): New function.
 103         (Sized_incr_dynobj::do_section_name): New function.
 104         (Sized_incr_dynobj::do_section_contents): New function.
 105         (Sized_incr_dynobj::do_section_flags): New function.
 106         (Sized_incr_dynobj::do_section_entsize): New function.
 107         (Sized_incr_dynobj::do_section_address): New function.
 108         (Sized_incr_dynobj::do_section_type): New function.
 109         (Sized_incr_dynobj::do_section_link): New function.
 110         (Sized_incr_dynobj::do_section_info): New function.
 111         (Sized_incr_dynobj::do_section_addralign): New function.
 112         (Sized_incr_dynobj::do_initialize_xindex): New function.
 113         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
 114         (make_sized_incremental_object): New function.
 115         (Incremental_library::copy_unused_symbols): New function.
 116         (Incremental_library::do_for_all_unused_symbols): New function.
 117         * incremental.h (enum Incremental_input_flags): New type.
 118         (class Incremental_checker): Remove.
 119         (Incremental_input_entry::Incremental_input_entry): Add argument
 120         serial number.
 121         (Incremental_input_entry::arg_serial): New function.
 122         (Incremental_input_entry::set_is_in_system_directory): New function.
 123         (Incremental_input_entry::is_in_system_directory): New function.
 124         (Incremental_input_entry::arg_serial_): New data member.
 125         (Incremental_input_entry::is_in_system_directory_): New data member.
 126         (class Script_info): Move here from script.h.
 127         (Script_info::Script_info): Add filename parameter.
 128         (Script_info::filename): New function.
 129         (Script_info::filename_): New data member.
 130         (Incremental_script_entry::Incremental_script_entry): Add argument
 131         serial number.
 132         (Incremental_object_entry::Incremental_object_entry): Likewise.
 133         (Incremental_object_entry::add_input_section): Build list of input
 134         sections with map to original shndx.
 135         (Incremental_object_entry::get_input_section_index): New function.
 136         (Incremental_object_entry::shndx_): New data member.
 137         (Incremental_object_entry::name_key_): Rename; adjust all refs.
 138         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
 139         (Incremental_archive_entry::Incremental_archive_entry): Add argument
 140         serial number.
 141         (Incremental_inputs::report_archive_begin): Likewise.
 142         (Incremental_inputs::report_object): Likewise.
 143         (Incremental_inputs::report_script): Likewise.
 144         (class Incremental_global_symbol_reader): New class.
 145         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
 146         and store flags and input file type.
 147         (Incremental_input_entry_reader::arg_serial): New function.
 148         (Incremental_input_entry_reader::type): Extract type from flags.
 149         (Incremental_input_entry_reader::is_in_system_directory): New function.
 150         (Incremental_input_entry_reader::get_input_section_count): Call
 151         accessor function for type.
 152         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
 153         function for type; adjust size of global symbol entry.
 154         (Incremental_input_entry_reader::get_global_symbol_count): Call
 155         accessor function for type.
 156         (Incremental_input_entry_reader::get_object_count): Likewise.
 157         (Incremental_input_entry_reader::get_object_offset): Likewise.
 158         (Incremental_input_entry_reader::get_member_count): Likewise.
 159         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
 160         (Incremental_input_entry_reader::get_member_offset): Likewise.
 161         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
 162         (Incremental_input_entry_reader::Global_symbol_info): Remove.
 163         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
 164         (Incremental_input_entry_reader::get_global_symbol_reader): New
 165         function.
 166         (Incremental_input_entry_reader::get_output_symbol_index): New
 167         function.
 168         (Incremental_input_entry_reader::type_): Remove.
 169         (Incremental_input_entry_reader::flags_): New data member.
 170         (Incremental_inputs_reader::input_file_offset): New function.
 171         (Incremental_inputs_reader::input_file_index): New function.
 172         (Incremental_inputs_reader::input_file): Call input_file_offset.
 173         (Incremental_inputs_reader::input_file_at_offset): New function.
 174         (Incremental_relocs_reader::get_r_type): Reformat.
 175         (Incremental_relocs_reader::get_r_shndx): Reformat.
 176         (Incremental_relocs_reader::get_r_offset): Reformat.
 177         (Incremental_relocs_reader::data): New function.
 178         (Incremental_binary::Incremental_binary): Initialize new data members.
 179         (Incremental_binary::check_inputs): Add cmdline parameter.
 180         (Incremental_binary::file_is_unchanged): Remove.
 181         (Input_reader::arg_serial): New function.
 182         (Input_reader::get_unused_symbol_count): New function.
 183         (Input_reader::get_unused_symbol): New function.
 184         (Input_reader::do_arg_serial): New function.
 185         (Input_reader::do_get_unused_symbol_count): New function.
 186         (Input_reader::do_get_unused_symbol): New function.
 187         (Incremental_binary::input_file_count): New function.
 188         (Incremental_binary::get_input_reader): Change signature to use
 189         index instead of filename.
 190         (Incremental_binary::file_has_changed): New function.
 191         (Incremental_binary::get_input_argument): New function.
 192         (Incremental_binary::get_library): New function.
 193         (Incremental_binary::get_script_info): New function.
 194         (Incremental_binary::init_layout): New function.
 195         (Incremental_binary::reserve_layout): New function.
 196         (Incremental_binary::output_file): New function.
 197         (Incremental_binary::do_check_inputs): New function.
 198         (Incremental_binary::do_file_is_unchanged): Remove.
 199         (Incremental_binary::do_file_has_changed): New function.
 200         (Incremental_binary::do_init_layout): New function.
 201         (Incremental_binary::do_reserve_layout): New function.
 202         (Incremental_binary::do_input_file_count): New function.
 203         (Incremental_binary::do_get_input_reader): Change signature.
 204         (Incremental_binary::input_args_map_): New data member.
 205         (Incremental_binary::library_map_): New data member.
 206         (Incremental_binary::script_map_): New data member.
 207         (Sized_incremental_binary::Sized_incremental_binary): Initialize
 208         new data members.
 209         (Sized_incremental_binary::output_section): New function.
 210         (Sized_incremental_binary::inputs_reader): Add const.
 211         (Sized_incremental_binary::symtab_reader): Add const.
 212         (Sized_incremental_binary::relocs_reader): Add const.
 213         (Sized_incremental_binary::got_plt_reader): Add const.
 214         (Sized_incremental_binary::get_symtab_view): New function.
 215         (Sized_incremental_binary::Inputs_reader): New typedef.
 216         (Sized_incremental_binary::Input_entry_reader): New typedef.
 217         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
 218         (Sized_incremental_binary::do_file_is_unchanged): Remove.
 219         (Sized_incremental_binary::do_file_has_changed): New function.
 220         (Sized_incremental_binary::do_init_layout): New function.
 221         (Sized_incremental_binary::do_reserve_layout): New function.
 222         (Sized_input_reader::Inputs_reader): Remove.
 223         (Sized_input_reader::Input_entry_reader): Remove.
 224         (Sized_input_reader::do_arg_serial): New function.
 225         (Sized_input_reader::do_get_unused_symbol_count): New function.
 226         (Sized_input_reader::do_get_unused_symbol): New function.
 227         (Sized_incremental_binary::do_input_file_count): New function.
 228         (Sized_incremental_binary::do_get_input_reader): Change signature;
 229         use index instead of filename.
 230         (Sized_incremental_binary::section_map_): New data member.
 231         (Sized_incremental_binary::input_entry_readers_): New data member.
 232         (class Sized_incr_relobj): New class.
 233         (class Sized_incr_dynobj): New class.
 234         (make_sized_incremental_object): New function.
 235         (class Incremental_library): New class.
 236         * layout.cc (Free_list::num_lists): New static data member.
 237         (Free_list::num_nodes): New static data member.
 238         (Free_list::num_removes): New static data member.
 239         (Free_list::num_remove_visits): New static data member.
 240         (Free_list::num_allocates): New static data member.
 241         (Free_list::num_allocate_visits): New static data member.
 242         (Free_list::init): New function.
 243         (Free_list::remove): New function.
 244         (Free_list::allocate): New function.
 245         (Free_list::dump): New function.
 246         (Free_list::print_stats): New function.
 247         (Layout_task_runner::run): Resize output file for incremental updates.
 248         (Layout::Layout): Initialize new data members.
 249         (Layout::set_incremental_base): New function.
 250         (Layout::init_fixed_output_section): New function.
 251         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
 252         incremental updates.
 253         (Layout::create_gold_note): Do not create gold note section for
 254         incremental updates.
 255         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
 256         for incremental updates.
 257         (Layout::set_section_offsets): For incremental updates, allocate space
 258         from free list.
 259         (Layout::create_symtab_sections): Layout with offsets relative to
 260         start of section; for incremental updates, allocate space from free
 261         list.
 262         (Layout::create_shdrs): For incremental updates, allocate space from
 263         free list.
 264         (Layout::finish_dynamic_section): For incremental updates, do not
 265         check --as-needed (fixed in subsequent patch).
 266         * layout.h (class Free_list): New class.
 267         (Layout::set_incremental_base): New function.
 268         (Layout::incremental_base): New function.
 269         (Layout::init_fixed_output_section): New function.
 270         (Layout::allocate): New function.
 271         (Layout::incremental_base_): New data member.
 272         (Layout::free_list_): New data member.
 273         * main.cc (main): Print Free_list statistics.
 274         * object.cc (Relobj::finalize_incremental_relocs): Add
 275         clear_counts parameter; clear counts only when clear_counts is set.
 276         (Sized_relobj::Sized_relobj): Initialize new base class.
 277         (Sized_relobj::do_layout): Don't report special sections.
 278         (Sized_relobj::do_for_all_local_got_entries): New function.
 279         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
 280         symtab_off to all symbol table offsets.
 281         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
 282         * object.h (class Got_offset_list): Move to top of file.
 283         (Object::Object): Allow case where input_file == NULL.
 284         (Object::~Object): Likewise.
 285         (Object::input_file): Assert that input_file != NULL.
 286         (Object::lock): Allow case where input_file == NULL.
 287         (Object::unlock): Likewise.
 288         (Object::is_locked): Likewise.
 289         (Object::token): Likewise.
 290         (Object::release): Likewise.
 291         (Object::is_incremental): New function.
 292         (Object::get_mtime): New function.
 293         (Object::for_all_local_got_entries): New function.
 294         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
 295         (Object::set_is_in_system_directory): New function.
 296         (Object::is_in_system_directory): New function.
 297         (Object::do_is_incremental): New function.
 298         (Object::do_get_mtime): New function.
 299         (Object::do_for_all_local_got_entries): New function.
 300         (Object::is_in_system_directory_): New data member.
 301         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
 302         (class Sized_relobj_base): New class.
 303         (class Sized_relobj): Derive from Sized_relobj_base.
 304         (class Sized_relobj::Symbols): Redeclare from base class.
 305         (class Sized_relobj::local_got_offset_list): Remove.
 306         (class Sized_relobj::Output_sections): Redeclare from base class.
 307         (class Sized_relobj::do_for_all_local_got_entries): New function.
 308         (class Sized_relobj::write_local_symbols): Add offset parameter.
 309         (class Sized_relobj::local_symbol_offset_): Update comment.
 310         (class Sized_relobj::local_dynsym_offset_): Update comment.
 311         * options.cc (Input_arguments::add_file): Remove const.
 312         * options.h (Input_file_argument::Input_file_argument):
 313         Initialize arg_serial_ (all constructors).
 314         (Input_file_argument::set_arg_serial): New function.
 315         (Input_file_argument::arg_serial): New function.
 316         (Input_file_argument::arg_serial_): New data member.
 317         (Input_arguments::Input_arguments): Initialize file_count_.
 318         (Input_arguments::add_file): Remove const.
 319         (Input_arguments::number_of_input_files): New function.
 320         (Input_arguments::file_count_): New data member.
 321         (Command_line::number_of_input_files): Call
 322         Input_arguments::number_of_input_files.
 323         * output.cc (Output_segment_headers::Output_segment_headers):
 324         Set current size.
 325         (Output_section::Input_section::current_data_size): New function.
 326         (Output_section::Output_section): Initialize new data members.
 327         (Output_section::add_input_section): Don't do merge sections for
 328         an incremental link; allocate space from free list for an
 329         incremental update.
 330         (Output_section::add_output_section_data): Allocate space from
 331         free list for an incremental update.
 332         (Output_section::update_data_size): New function.
 333         (Output_section::set_fixed_layout): New function.
 334         (Output_section::reserve): New function.
 335         (Output_segment::set_section_addresses): Remove const.
 336         (Output_segment::set_section_list_addresses): Remove const; allocate
 337         space from free list for an incremental update.
 338         (Output_segment::set_offset): Adjust size of RELRO segment for an
 339         incremental update.
 340         * output.h (Output_data::current_data_size): Move here from
 341         child classes.
 342         (Output_data::pre_finalize_data_size): New function.
 343         (Output_data::update_data_size): New function.
 344         (Output_section_headers::update_data_size): new function.
 345         (Output_section_data_build::current_data_size): Move to Output_data.
 346         (Output_data_strtab::update_data_size): New function.
 347         (Output_section::current_data_size): Move to Output_data.
 348         (Output_section::set_fixed_layout): New function.
 349         (Output_section::has_fixed_layout): New function.
 350         (Output_section::reserve): New function.
 351         (Output_section::update_data_size): New function.
 352         (Output_section::has_fixed_layout_): New data member.
 353         (Output_section::free_list_): New data member.
 354         (Output_segment::set_section_addresses): Remove const.
 355         (Output_segment::set_section_list_addresses): Remove const.
 356         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
 357         New function.
 358         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
 359         New function.
 360         * readsyms.cc (Read_symbols::do_read_symbols): Add library
 361         parameter when calling Add_symbols constructor; store argument
 362         serial number for members of a lib group.
 363         (Add_symbols::locks): Allow case where token == NULL.
 364         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
 365         (Read_member::~Read_member): New function.
 366         (Read_member::is_runnable): New function.
 367         (Read_member::locks): New function.
 368         (Read_member::run): New function.
 369         (Check_script::~Check_script): New function.
 370         (Check_script::is_runnable): New function.
 371         (Check_script::locks): New function.
 372         (Check_script::run): New function.
 373         (Check_library::~Check_library): New function.
 374         (Check_library::is_runnable): New function.
 375         (Check_library::locks): New function.
 376         (Check_library::run): New function.
 377         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
 378         (Add_symbols::library_): New data member.
 379         (class Read_member): New class.
 380         (class Check_script): New class.
 381         (class Check_library): New class.
 382         * reloc.cc (Read_relocs::is_runnable): Allow case where
 383         token == NULL.
 384         (Read_relocs::locks): Likewise.
 385         (Scan_relocs::locks): Likewise.
 386         (Relocate_task::locks): Likewise.
 387         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
 388         to clear counters.
 389         (Sized_relobj::incremental_relocs_scan): Fix comment.
 390         (Sized_relobj::do_relocate): Pass output file offset to
 391         write_local_symbols.
 392         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
 393         from class declaration.
 394         * script.cc (read_input_script): Allocate Script_info; pass
 395         argument serial number to report_script.
 396         * script.h (class Script_info): Move to incremental.h.
 397         * symtab.cc (Symbol_table::add_from_incrobj): New function.
 398         * symtab.h (Symbol_table::add_from_incrobj): New function.
 399         (Symbol_table::set_file_offset): New function.
 400
 401 2011-04-05  Cary Coutant  <ccoutant@google.com>
 402
 403         * incremental-dump.cc (dump_incremental_inputs): Change signature
 404         to take a Sized_incremental_binary; change caller.  Use readers
 405         in Sized_incremental_binary.
 406         * incremental.cc
 407         (Sized_incremental_binary::find_incremental_inputs_sections):
 408         Rename do_find_incremental_inputs_sections to this.
 409         (Sized_incremental_binary::setup_readers): New function.
 410         (Sized_incremental_binary::do_check_inputs): Check
 411         has_incremental_info_ flag; move setup code to setup_readers;
 412         use input readers.
 413         (Sized_incremental_binary::do_file_is_unchanged): New function.
 414         (Sized_incremental_binary::do_get_input_reader): New function.
 415         * incremental.h (class Incremental_binary): Move to end of file.
 416         (Incremental_binary::file_is_unchanged): New function.
 417         (Incremental_binary::do_file_is_unchanged): New function.
 418         (Incremental_binary::Input_reader): New class.
 419         (Incremental_binary::get_input_reader): New function.
 420         (class Sized_incremental_binary): Move to end of file.
 421         (Sized_incremental_binary::Sized_incremental_binary): Setup the
 422         input section reader classes.
 423         (Sized_incremental_binary::has_incremental_info): New function.
 424         (Sized_incremental_binary::inputs_reader): New function.
 425         (Sized_incremental_binary::symtab_reader): New function.
 426         (Sized_incremental_binary::relocs_reader): New function.
 427         (Sized_incremental_binary::got_plt_reader): New function.
 428         (Sized_incremental_binary::do_file_is_unchanged): New function.
 429         (Sized_incremental_binary::Sized_input_reader): New class.
 430         (Sized_incremental_binary::get_input_reader): New function.
 431         (Sized_incremental_binary::find_incremental_inputs_sections):
 432         Rename do_find_incremental_inputs_sections to this.
 433         (Sized_incremental_binary::setup_readers): New function.
 434         (Sized_incremental_binary::has_incremental_info_): New data member.
 435         (Sized_incremental_binary::inputs_reader_): New data member.
 436         (Sized_incremental_binary::symtab_reader_): New data member.
 437         (Sized_incremental_binary::relocs_reader_): New data member.
 438         (Sized_incremental_binary::got_plt_reader_): New data member.
 439         (Sized_incremental_binary::current_input_file_): New data member.
 440
 441 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
 442
 443         PR gold/12640
 444         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
 445         violation.
 446
 447 2011-03-30  Cary Coutant  <ccoutant@google.com>
 448
 449         * archive.cc (Archive::include_member): Adjust call to report_object.
 450         (Add_archive_symbols::run): Add script_info to call to
 451         report_archive_begin.
 452         (Lib_group::include_member): Adjust call to report_object.
 453         (Add_lib_group_symbols::run): Adjust call to report_object.
 454         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
 455         blocks.  Add object count for script input files.
 456         * incremental.cc (Incremental_inputs::report_archive_begin): Add
 457         script_info parameter; change all callers.
 458         (Incremental_inputs::report_object): Add script_info parameter;
 459         change all callers.
 460         (Incremental_inputs::report_script): Store backpointer to
 461         incremental info entry.
 462         (Output_section_incremental_inputs::set_final_data_size): Record
 463         additional information for scripts.
 464         (Output_section_incremental_inputs::write_info_blocks): Likewise.
 465         * incremental.h (Incremental_script_entry::add_object): New function.
 466         (Incremental_script_entry::get_object_count): New function.
 467         (Incremental_script_entry::get_object): New function.
 468         (Incremental_script_entry::objects_): New data member; adjust
 469         constructor.
 470         (Incremental_inputs::report_archive_begin): Add script_info parameter.
 471         (Incremental_inputs::report_object): Add script_info parameter.
 472         (Incremental_inputs_reader::get_object_count): New function.
 473         (Incremental_inputs_reader::get_object_offset): New function.
 474         * options.cc (Input_arguments::add_file): Return reference to
 475         new input argument.
 476         * options.h (Input_argument::set_script_info): New function.
 477         (Input_argument::script_info): New function.
 478         (Input_argument::script_info_): New data member; adjust all
 479         constructors.
 480         (Input_file_group::add_file): Return reference to new input argument.
 481         (Input_file_lib::add_file): Likewise.
 482         (Input_arguments::add_file): Likewise.
 483         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
 484         * script.cc (Parser_closure::Parser_closure): Add script_info
 485         parameter; adjust all callers.
 486         (Parser_closure::script_info): New function.
 487         (Parser_closure::script_info_): New data member.
 488         (read_input_script): Report scripts earlier to incremental info.
 489         (script_add_file): Set script_info in Input_argument.
 490         (script_add_library): Likewise.
 491         * script.h (Script_options::Script_info): Rewrite class.
 492
 493 2011-03-29  Cary Coutant  <ccoutant@google.com>
 494
 495         * archive.cc (Library_base::should_include_member): Move
 496         method here from class Archive.
 497         (Archive::Archive): Initialize base class.
 498         (Archive::should_include_member): Move to base class.
 499         (Archive::do_for_all_unused_symbols): New function.
 500         (Add_archive_symbols::run): Remove redundant access to
 501         incremental_inputs.
 502         (Lib_group::Lib_group): Initialize base class.
 503         (Lib_group::do_filename): New function.
 504         (Lib_group::include_member): Pass pointer to Lib_group to
 505         report_object.
 506         (Lib_group::do_for_all_unused_symbols): New function.
 507         (Add_lib_group_symbols::run): Report archive information for
 508         incremental links.
 509         * archive.h (class Library_base): New base class.
 510         (class Archive): Derive from Library_base.
 511         (Archive::filename): Move to base class.
 512         (Archive::set_incremental_info): Likewise.
 513         (Archive::incremental_info): Likewise.
 514         (Archive::Should_include): Likewise.
 515         (Archive::should_include_member): Likewise.
 516         (Archive::Armap_entry): Remove.
 517         (Archive::Unused_symbol_iterator): Remove.
 518         (Archive::unused_symbols_begin): Remove.
 519         (Archive::unused_symbols_end): Remove.
 520         (Archive::do_filename): New function.
 521         (Archive::do_get_mtime): New function.
 522         (Archive::do_for_all_unused_symbols): New function.
 523         (Archive::task_): Move to base class.
 524         (Archive::incremental_info_): Likewise.
 525         (class Lib_group): Derive from Library_base.
 526         (Lib_group::do_filename): New function.
 527         (Lib_group::do_get_mtime): New function.
 528         (Lib_group::do_for_all_unused_symbols): New function.
 529         (Lib_group::task_): Move to base class.
 530         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
 531         function.
 532         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
 533         function.
 534         * incremental.cc (Incremental_inputs::report_archive_begin):
 535         Use Library_base; call library's get_mtime; add incremental inputs
 536         entry before members.
 537         (class Unused_symbol_visitor): New class.
 538         (Incremental_inputs::report_archive_end): Use Library_base; use
 539         visitor class to record unused symbols; don't add incremental inputs
 540         entry after members.
 541         (Incremental_inputs::report_object): Use Library_base.
 542         * incremental.h
 543         (Incremental_archive_entry::Incremental_archive_entry): Remove
 544         unused Archive parameter.
 545         (Incremental_inputs::report_archive_begin): Use Library_base.
 546         (Incremental_inputs::report_archive_end): Likewise.
 547         (Incremental_inputs::report_object): Likewise.
 548         * object.cc (Sized_relobj::do_for_all_global_symbols): New
 549         function.
 550         * object.h (Object::for_all_global_symbols): New function.
 551         (Object::do_for_all_global_symbols): New function.
 552         (Sized_relobj::do_for_all_global_symbols): New function.
 553         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
 554         function.
 555         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
 556         function.
 557
 558 2011-03-27  Ian Lance Taylor  <iant@google.com>
 559
 560         * archive.cc (Archive::interpret_header): Return -1 if something
 561         goes wrong.  Change callers accordingly.
 562
 563 2011-03-25  Cary Coutant  <ccoutant@google.com>
 564
 565         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
 566         * testsuite/Makefile.in: Regenerate.
 567
 568 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
 569
 570         * plugin.cc (get_view): New.
 571         (Plugin::load): Pass get_view to the plugin.
 572         (Plugin_manager::get_view): New.
 573
 574 2011-03-21  Ian Lance Taylor  <iant@google.com>
 575
 576         * testsuite/final_layout.sh: Rewrite to not use dc.
 577         * testsuite/relro_test.sh: Fail if dc is not present.
 578
 579 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
 580
 581         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
 582         Change == to -eq.
 583         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
 584         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
 585         Change == to -eq.
 586         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
 587         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
 588
 589 2011-03-14  Ian Lance Taylor  <iant@google.com>
 590
 591         * script-sections.cc (Sort_output_sections::script_compare):
 592         Rename from is_before, change return type.
 593         (Sort_output_sections::operator()): Adjust accordingly.
 594
 595 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
 596
 597         PR gold/12572
 598         * testsuite/odr_violation2.cc: Add comment to make all error line
 599         numbers double digits.
 600         * testsuite/debug_msg.sh: Adjust expected errors.
 601
 602 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
 603
 604         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
 605         but mark earlier ones as non-canonical
 606         (offset_to_iterator): Update search target and example
 607         (do_addr2line): Return extra lines in a vector*
 608         (format_file_lineno): Extract from do_addr2line
 609         (one_addr2line): Add vector* out-param
 610         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
 611         when a lineno entry appeared last for its instruction
 612         (Dwarf_line_info): Add vector* out-param
 613         * object.cc (Relocate_info): Pass NULL for the vector* out-param
 614         * symtab.cc (Odr_violation_compare): Include the lineno in the
 615         comparison again.
 616         (linenos_from_loc): New. Combine the canonical line for an
 617         address with its other lines.
 618         (True_if_intersect): New. Helper functor to make
 619         std::set_intersection a query.
 620         (detect_odr_violations): Compare sets of lines instead of just
 621         one line for each function. This became less deterministic, but
 622         has fewer false positives.
 623         * symtab.h: Declarations.
 624         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
 625         mix an optimized and non-optimized object in the same binary
 626         (odr_violation2.so): Same.
 627         * testsuite/Makefile.in: Regenerate from Makefile.am.
 628         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
 629         * testsuite/debug_msg.sh: Update line numbers and add
 630         assertions.
 631         * testsuite/odr_violation1.cc: Use OdrDerived, in a
 632         non-optimized context.
 633         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
 634         isn't inlined, and use OdrDerived in an optimized context.
 635         * testsuite/odr_header1.h: Defines OdrDerived, where
 636         optimization will change the
 637         first-instruction-in-the-destructor's file and line number.
 638         * testsuite/odr_header2.h: Defines OdrBase.
 639
 640 2011-03-09  Ian Lance Taylor  <iant@google.com>
 641
 642         * fileread.cc (File_read::clear_views): Don't delete the whole
 643         file view.
 644
 645 2011-03-08  Ian Lance Taylor  <iant@google.com>
 646
 647         PR gold/12525
 648         * fileread.cc: #include <climits>.
 649         (GOLD_IOV_MAX): Define.
 650         (File_read::read_multiple): Limit number of entries by iov_max.
 651         * fileread.h (class File_read): Always set max_readv_entries to
 652         128.
 653
 654 2011-03-07  Ian Lance Taylor  <iant@google.com>
 655
 656         PR gold/12525
 657         * options.h (class General_options): Add -dy and -dn.
 658
 659 2011-03-02  Cary Coutant  <ccoutant@google.com>
 660
 661         * testsuite/script_test_9.t: Add TLS segment.
 662
 663 2011-03-02  Simon Baldwin  <simonb@google.com>
 664
 665         * configure.ac: Add check for gnu_indirect_function support in
 666         the toolchain building binutils.
 667         * configure: Rebuild.
 668
 669 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
 670
 671         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
 672         plugin only symbols.
 673         (Symbol_table::sized_finalize_symbol) Mark symbol only present
 674         in plugin files as not needed in the symbol table.
 675
 676 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
 677
 678         * output.cc (Output_section::add_input_section): Delay fill
 679         generation for section ordering.
 680
 681 2011-02-09  Ian Lance Taylor  <iant@google.com>
 682
 683         PR gold/12316
 684         * object.h (class Sized_relobj): Remove clear_local_symbols.
 685         * reloc.cc (Sized_relobj::do_relocate): Don't call
 686         clear_local_symbols.
 687
 688 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
 689
 690         * plugin.cc (is_visible_from_outside): Return true for symbols
 691         in the -u option.
 692
 693 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
 694
 695         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
 696         filename.
 697
 698 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
 699
 700         * icf.h (is_section_foldable_candidate): Change type of parameter
 701         to std::string.
 702         * icf.cc (Icf::find_identical_sections): Change type of local variable
 703         section_name to be std::string.
 704         (is_function_ctor_or_dtor): Change type of parameter to std::string.
 705
 706 2011-01-25  Ian Lance Taylor  <iant@google.com>
 707
 708         * script.cc (script_add_extern): Rewrite to use
 709         add_symbol_reference.
 710
 711 2011-01-25  Doug Kwan  <dougkwan@google.com>
 712
 713         * icf.cc (get_section_contents): Always lock section's object.
 714
 715 2011-01-24  Ian Lance Taylor  <iant@google.com>
 716
 717         * options.h (class General_options): Accept
 718         --no-detect-odr-violations.
 719
 720 2011-01-24  Ian Lance Taylor  <iant@google.com>
 721
 722         * version.cc (version_string): Bump to 1.11.
 723
 724 2011-01-24  Ian Lance Taylor  <iant@google.com>
 725
 726         * plugin.cc (class Plugin_rescan): Define new class.
 727         (Plugin_manager::claim_file): Set any_claimed_.
 728         (Plugin_manager::save_archive): New function.
 729         (Plugin_manager::save_input_group): New function.
 730         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
 731         necessary.
 732         (Plugin_manager::new_undefined_symbol): New function.
 733         (Plugin_manager::rescan): New function.
 734         (Plugin_manager::rescannable_defines): New function.
 735         (Plugin_manager::add_input_file): Set any_added_.
 736         * plugin.h (class Plugin_manager): define new fields rescannable_,
 737         undefined_symbols_, any_claimed_, and any_added_.  Declare
 738         Plugin_rescan as friend.  Declare new functions.
 739         (Plugin_manager::Rescannable): Define type.
 740         (Plugin_manager::Rescannable_list): Define type.
 741         (Plugin_manager::Undefined_symbol_list): Define type.
 742         (Plugin_manager::Plugin_manager): Initialize new fields.
 743         * archive.cc (Archive::defines_symbol): New function.
 744         (Add_archive_symbols::run): Pass archive to plugins if any.
 745         * archive.h (class Archive): Declare defines_symbol.
 746         * readsyms.cc (Input_group::~Input_group): New function.
 747         (Finish_group::run): Pass input_group to plugins if any.
 748         * readsyms.h (class Input_group): Declare destructor.
 749         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
 750         any.
 751
 752 2011-01-10  Ian Lance Taylor  <iant@google.com>
 753
 754         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
 755         section as relro.
 756         (Layout::set_segment_offsets): Reset increase_relro before calling
 757         set_section_addresses a second time.
 758
 759 2011-01-04  Cary Coutant  <ccoutant@google.com>
 760
 761         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
 762         sections before NOBITS sections.
 763
 764 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
 765
 766         * version.cc (print_version): Update copyright to 2011.
 767
 768 2010-12-23  Cary Coutant  <ccoutant@google.com>
 769
 770         * output.h (Output_data_reloc::add_output_section): Pass OD instead
 771         of OS to this->add.  Add OD parameter to second form of the function.
 772
 773 2010-12-20  Ian Lance Taylor  <iant@google.com>
 774
 775         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
 776         second of two consecutive entries with same offset.
 777
 778 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 779
 780         * testsuite/Makefile.am (ifuncmain2static_LDADD)
 781         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
 782         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
 783         to avoid unneeded links against $(LDADD).
 784         * testsuite/Makefile.in: Regenerate.
 785
 786 2010-12-15  Ian Lance Taylor  <iant@google.com>
 787
 788         PR gold/12324
 789         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
 790         for R_X86_64_32 and R_X86_64_PC32.
 791         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
 792         ver_matching_def_pic.o.
 793         (ver_matching_def_pic.o): New target.
 794
 795 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 796
 797         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
 798         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
 799         Move definition before File_read::View member definitions.
 800         (File_read::View::~View): Initialize and hold lock before
 801         updating current_mapped_bytes.
 802
 803 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 804
 805         * dwarf_reader.cc: Remove outdated comment.
 806         * gold-threads.cc: Fix typo in error message.
 807         * archive.cc: Fix typos in comments.
 808         * archive.h: Likewise.
 809         * arm-reloc-property.cc: Likewise.
 810         * arm-reloc-property.h: Likewise.
 811         * arm-reloc.def: Likewise.
 812         * arm.cc: Likewise.
 813         * attributes.h: Likewise.
 814         * cref.cc: Likewise.
 815         * ehframe.cc: Likewise.
 816         * fileread.h: Likewise.
 817         * gold.h: Likewise.
 818         * i386.cc: Likewise.
 819         * icf.cc: Likewise.
 820         * incremental.h: Likewise.
 821         * int_encoding.cc: Likewise.
 822         * layout.h: Likewise.
 823         * main.cc: Likewise.
 824         * merge.h: Likewise.
 825         * object.cc: Likewise.
 826         * object.h: Likewise.
 827         * options.cc: Likewise.
 828         * readsyms.cc: Likewise.
 829         * reduced_debug_output.cc: Likewise.
 830         * reloc.cc: Likewise.
 831         * script-sections.cc: Likewise.
 832         * sparc.cc: Likewise.
 833         * symtab.h: Likewise.
 834         * target-reloc.h: Likewise.
 835         * target.cc: Likewise.
 836         * target.h: Likewise.
 837         * timer.cc: Likewise.
 838         * timer.h: Likewise.
 839         * x86_64.cc: Likewise.
 840
 841 2010-12-09  Cary Coutant  <ccoutant@google.com>
 842
 843         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
 844         stack.
 845         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
 846         parameter; change all callers.
 847         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
 848         * options.h (warn_execstack): New option.
 849
 850 2010-12-07  Doug Kwan  <dougkwan@google.com>
 851
 852         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
 853         like function call relocations.
 854
 855 2010-12-07  Ian Lance Taylor  <iant@google.com>
 856
 857         * archive.cc (Archive::get_elf_object_for_member): Permit
 858         punconfigured to be NULL.
 859         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
 860         (Archive::include_member): Pass NULL to get_elf_object_for_member
 861         if we searched for the archive and this is the first included
 862         object.
 863
 864 2010-12-01  Ian Lance Taylor  <iant@google.com>
 865
 866         * dwarf_reader.h (class Sized_dwarf_line_info): Add
 867         track_relocs_type_ field.
 868         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 869         Set track_relocs_type_.
 870         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
 871         contents when using RELA relocs.
 872         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
 873         reloc_map_.
 874         * reloc.cc (Track_relocs::next_addend): New function.
 875         * reloc.h (class Track_relocs): Declare next_addend.
 876
 877 2010-12-01  Ian Lance Taylor  <iant@google.com>
 878
 879         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
 880         virtual destructor.
 881
 882 2010-12-01  Ian Lance Taylor  <iant@google.com>
 883
 884         * README: Update compilers known to work and fail.
 885
 886 2010-11-23  Matthias Klose  <doko@ubuntu.com>
 887
 888         * configure.in: For --enable-gold, handle value `default' instead of
 889         `both*'.  Always install ld as ld.bfd, install as ld if gold is
 890         not the default.
 891         * configure: Regenerate.
 892
 893 2010-11-18  Doug Kwan  <dougkwan@google.com>
 894
 895         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
 896         and right_alignment to be zero.  Store result alignment only if it is
 897         greater than existing alignment.
 898
 899 2010-11-16  Cary Coutant  <ccoutant@google.com>
 900
 901         PR gold/12220
 902         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 903         Check for ".zdebug_line".
 904
 905 2010-11-16  Doug Kwan  <dougkwan@google.com>
 906             Cary Coutant  <ccoutant@google.com>
 907
 908         * output.h (Output_segment::set_section_addresses): Pass increase_relro
 909         by reference; adjust all callers.
 910         * output.cc (Output_segment::set_section_addresses): Adjust references
 911         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
 912         list is empty.
 913         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
 914         end at page boundary.
 915
 916 2010-11-16  Cary Coutant  <ccoutant@google.com>
 917
 918         PR gold/12220
 919         * layout.cc (Layout::choose_output_section): Transform names of
 920         compressed sections even when using a script with a SECTIONS clause.
 921         (Layout::output_section_name): Remove code to transform
 922         compressed debug section names.
 923         * output.cc (Output_section::add_input_section): Use uncompressed
 924         section size when tracking input sections.
 925
 926 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
 927
 928         * symtab.h (Symbol::NON_PIC_REF): Remove.
 929         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
 930         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
 931         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
 932         (Symbol::use_plt_offset): Take a flags argument and pass it
 933         directly to needs_dynamic_reloc.  Restrict check for undefined
 934         weak symbols to function calls.
 935         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
 936         (Target_arm::Scan::global): Use it.
 937         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
 938         (Target_arm::Relocate::relocate): Likewise.
 939         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
 940         parameter with an r_type parameter.  Use get_reference_flags
 941         to get the flags.
 942         (Target_arm::Relocate::relocate): Update accordingly.
 943         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
 944         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
 945         (Target_i386::Scan::global): Likewise.
 946         (Target_i386::Relocate::relocate): Likewise.
 947         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
 948         parameter with an r_type parameter.  Use get_reference_flags
 949         to get the flags.
 950         (Target_i386::Relocate::relocate): Update accordingly.
 951         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
 952         (Target_powerpc::Scan::global): Use it.
 953         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
 954         (Target_powerpc::Relocate::relocate): Likewise.
 955         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
 956         (Target_sparc::Scan::global): Use it.
 957         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
 958         (Target_sparc::Relocate::relocate): Likewise.
 959         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
 960         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
 961         (Target_x86_64::Scan::global): Likewise.
 962         (Target_x86_64::Relocate::relocate): Likewise.
 963
 964 2010-11-08  Doug Kwan  <dougkwan@google.com>
 965             Cary Coutant  <ccoutant@google.com>
 966
 967         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
 968         (Arm_exidx_merge_section::section_contents_): New data member.
 969         (Arm_input_section::Arm_input_section): Initialize original_contents_.
 970         (Arm_input_section::~Arm_input_section): De-allocate memory.
 971         (Arm_input_section::original_contents_): New data member.
 972         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
 973         in parameters instead of calling Object::section_contents without
 974         locking.
 975         (Arm_output_section::group_section): New parameter TASK.  Pass it
 976         to callees that need locking objects.
 977         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
 978         to lock EXIDX input sections.  Fix a formatting issue.  Call
 979         Arm_exidx_merged_section::build_contents to create merged section
 980         contents.
 981         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
 982         to lock object of stub table owner.
 983         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
 984         TEXT_SIZE to initialize data member TEXT_SIZE_.
 985         (Arm_exidx_input_section::addralign): Fix typo in comment.
 986         (Arm_exidx_input_section::text_size): New method.
 987         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
 988         that require locking objects.  Lock objects before scanning for stubs
 989         and updating local symbols.
 990         (Arm_input_section<big_endian>::init): Copy contents of original
 991         input section.
 992         (Arm_input_section<big_endian>::do_write): Use saved contents of
 993         original input section instead of calling Object::section_contents
 994         without locking.
 995         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
 996         size without calling Object::section_size().
 997         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
 998         for size.  Allocate a buffer for merged EXIDX entries.
 999         (Arm_exidx_merged_section::build_contents): New method.
1000         (Arm_exidx_merged_section::do_write): Move merge section contents
1001         building code to Arm_exidx_merged_section::build_contetns.  Write
1002         out contetns in buffer instead of building it on the fly.
1003         (Arm_relobj::make_exidx_input_section): Also pass text section size
1004         to Arm_exidx_input_section constructor.
1005         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1006         (Arm_dynobj::do_read_symbols): Fix memory leak.
1007         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1008         * target.h: (class Task): Add forward declaration.
1009         (Target::relax): Add new parameter TASK and pass it to
1010         Target::do_relax().
1011         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1012
1013 2010-11-05  Cary Coutant  <ccoutant@google.com>
1014
1015         PR gold/10708
1016         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1017         object when reading from the file.
1018         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1019         second layout pass.
1020         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1021         when reading section contents.
1022         (get_section_contents): Likewise.
1023         (icf::find_identical_sections): Likewise.
1024         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1025         object when reading from the file.
1026         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1027         the object when doing deferred section layout.
1028
1029 2010-11-03  Nick Clifton  <nickc@redhat.com>
1030
1031         PR gold/12001
1032         * script.h (class Symbol_assignment: name): New member.  Returns
1033         the name of the symbol.
1034         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1035         Returns true if the given symbol name is on the list of
1036         assignments wating to be processed.
1037         * archive.cc (should_incldue_member): If the symbol is undefined,
1038         check to see if it is on the list of symbols pending assignment.
1039
1040 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1041
1042         * script-sections.cc (Script_sections::find_memory_region): Check
1043         for a NULL output section pointer.
1044
1045 2010-10-29  Doug Kwan  <dougkwan@google.com>
1046
1047         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1048         Output_section::add_relaxed_input_section.
1049         * output.cc (Output_section::add_relaxed_input_section): Add new
1050         arguments LAYOUT and NAME.  Set section order index.
1051         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1052         Copy section order index.
1053         * output.h (Output_section::add_relaxed_input_section): Add new
1054         arguments LAYOUT and NAME.
1055
1056 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1057
1058         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1059         NATIVE_OR_CROSS_LINKER.
1060         * testsuite/Makefile.in: Regenerate.
1061
1062 2010-10-20  Doug Kwan  <dougkwan@google.com>
1063
1064         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1065         without SHF_LINK_ORDER flags.
1066         * layout.cc (Layout::choose_output_section): Do not filter
1067         SHF_LINK_ORDER flag in a relocatable link.
1068
1069 2010-10-17  Cary Coutant  <ccoutant@google.com>
1070
1071         * output.h (Output_segment::set_section_addresses): Change function
1072         signature.  Update all callers.
1073         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1074         sections.
1075         (Output_segment::set_section_addresses): Align after last TLS
1076         section.  Add padding before last relro section instead of after.
1077
1078 2010-10-17  Doug Kwan  <dougkwan@google.com>
1079
1080         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1081         GOT output section to be writable.
1082
1083 2010-10-14  Cary Coutant  <ccoutant@google.com>
1084
1085         * debug.h (DEBUG_INCREMENTAL): New flag.
1086         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1087         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1088         mode.
1089         * incremental.cc (report_command_line): Ignore all forms of
1090         --incremental.
1091         * layout.cc (Layout::Layout): Check parameters for incremental link
1092         mode.
1093         * options.cc (General_options::parse_incremental): New function.
1094         (General_options::parse_no_incremental): New function.
1095         (General_options::parse_incremental_full): New function.
1096         (General_options::parse_incremental_update): New function.
1097         (General_options::incremental_mode_): New data member.
1098         (General_options::finalize): Check incremental_mode_.
1099         * options.h (General_options): Update help text for --incremental.
1100         Add --no-incremental, --incremental-full, --incremental-update.
1101         (General_options::Incremental_mode): New enum type.
1102         (General_options::incremental_mode): New function.
1103         (General_options::incremental_mode_): New data member.
1104         * parameters.cc (Parameters::incremental_mode_): New data member.
1105         (Parameters::set_options): Set incremental_mode_.
1106         (Parameters::set_incremental_full): New function.
1107         (Parameters::incremental): New function.
1108         (Parameters::incremental_update): New function.
1109         (set_parameters_incremental_full): New function.
1110         * parameters.h (Parameters::set_incremental_full): New function.
1111         (Parameters::incremental): New function.
1112         (Parameters::incremental_update): New function.
1113         (Parameters::incremental_mode_): New data member.
1114         (set_parameters_incremental_full): New function.
1115         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1116         incremental link mode.
1117         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1118         (Sized_relobj::do_relocate_sections): Likewise.
1119         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1120         option.
1121         * testsuite/Makefile.in: Regenerate.
1122         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1123
1124 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1125
1126         * script-sections.h (class Script_sections): Make
1127         Sections_elements typedef public.
1128         * script-sections.cc (class Sort_output_sections): Add elements_
1129         field.  Add constructor which sets it; change all callers.
1130         (Sort_output_sections::is_before): New function.
1131         (Sort_output_sections::operator()): Call is_before.
1132         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1133         conditional.
1134         * testsuite/script_test_10.sh: New test. Test script section
1135         order.
1136         * testsuite/script_test_10.t: Likewise.
1137         * testsuite/script_test_10.s: Likewise.
1138         * testsuite/Makefile.am: Wrap the cross linker tests and the
1139         common tests into NATIVE_OR_CROSS_LINKER.
1140         (check_SCRIPTS): Add script_test_10.sh.
1141         (check_DATA): Add script_test_10.stdout.
1142         (script_test_10.o, script_test_10): New targets.
1143         (script_test_10.stdout): New target.
1144         * configure, testsuite/Makefile.in: Regenerate.
1145
1146 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1147
1148         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1149         error for the deprecated relocations.
1150         (Target_arm::Scan::global): Likewise.
1151         (Target_arm::Relocate::relocate): Likewise.
1152
1153 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1154
1155         * fileread.cc (Input_file::find_file): Initialize *found_name
1156         and *namep when using the fallback search for case 4.
1157
1158 2010-10-11  Cary Coutant  <ccoutant@google.com>
1159
1160         * options.h (class General_options): Redefine -z lazy as an alias for
1161         the negation of -z now.
1162
1163 2010-10-11  Ian Lance Taylor  <iant@google.com>
1164
1165         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1166         binding.
1167
1168 2010-10-06  Nick Clifton  <nickc@redhat.com>
1169
1170         * script-sections.cc(class Memory_region): Remove
1171         current_lma_offset_ field.  Rename current_vma_offset_ to
1172         current_offset_.  Add last_section_ field.
1173         (Memory_region::get_current_vma_address): Rename to
1174         get_current_address.
1175         (Memory_region::get_current_lma_address): Delete.
1176         (Memory_region::increment_vma_offset): Rename to
1177         increment_offset.
1178         (Memory_region::increment_lma_offset): Delete.
1179         (Memory_region::attributes_compatible): New method.  Returns
1180         true if the provided section is compatible with the region.
1181         (Memory_region::get_last_section): New method.  Returns the last
1182         section to use the region.
1183         (Memory_region::set_last_section): New method.  Stores the last
1184         section to use the region.
1185         (Script_sections::block_in_region): New method.  Returns true if
1186         a block of memory is contained within a region.
1187         (Script_sections::find_memory_region): New method.  Locates a
1188         memory region to be used to set a VMA or LMA address.
1189         (Output_section_definition::set_section_addresses): Add code to
1190         check for addresses set by memory regions.
1191         (Output_segment::set_section_addresses): Remove memory region
1192         walking code.
1193         (Script_sections::create_segment): Add a warning if a header
1194         segment is created outside of any region.
1195         * script-sections.h (class Script_sections): Add prototypes for
1196         find_memory_region and block_in_region methods.
1197         * testsuite/memory_test.s: Use .long instead of .word.
1198         * testsuite/memory_test.t: Add some more output sections.
1199         * testsuite/memory_test.sh: Update expected output.
1200
1201 2010-10-02  Doug Kwan  <dougkwan@google.com>
1202
1203         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1204         defintion to symtab.h
1205         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1206         declaration to defintion.
1207
1208 2010-10-01  Nick Clifton  <nickc@redhat.com>
1209
1210         * expression.cc (eval): Replace dummy argument with NULL.
1211         (eval_maybe_dot): Check for a NULL result section pointer.
1212         (Symbol_expression::value): Likewise.
1213         (Dot_expression::value): Likewise.
1214         (BINARY_EXPRESSION): Likewise.
1215         (Max_expression::value): Likewise.
1216         (Min_expression::value): Likewise.
1217         (Absolute_expression::value): Likewise.
1218         (Addr_expression::value_from_output_section): Likewise.
1219         (Loaddddr_expression::value_from_output_section): Likewise.
1220         (Segment_start_expression::value): Likewise.
1221         * script-sections.cc
1222         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1223         argument with NULL.
1224         (Sections_elememt_dot_assignment::set_section_addresses):
1225         Likewise.
1226         (Output_data_expression::do_write_to_buffer): Likewise.
1227         (Output_section_definition::finalize_symbols): Likewise.
1228         (Output_section_definition::set_section_addresses): Likewise.
1229
1230 2010-09-30  Doug Kwan  <dougkwan@google.com>
1231
1232         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1233
1234 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1235
1236         * target.h (Target::can_icf_inline_merge_sections): New virtual
1237         function.
1238         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1239         virtual function.
1240         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1241         virtual function.
1242         * icf.cc (get_section_contents): Inline merge sections only when
1243         target allows it.
1244
1245 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1246
1247         * configure: Regenerate.
1248
1249 2010-09-17  Ian Lance Taylor  <iant@google.com>
1250
1251         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1252         * testsuite/Makefile.am (memory_test.o): New target.
1253         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1254         memory_test.t.
1255         * testsuite/Makefile.in: Rebuild.
1256
1257 2010-09-17  Doug Kwan  <dougkwan@google.com>
1258
1259         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1260         defintion if relocation uses GOT entries of the symbol.
1261         * testsuite/icf_safe_test.sh: Fix test.
1262         * testsuite/icf_safe_so_test.sh: Fix test.
1263
1264 2010-09-16  Cary Coutant  <ccoutant@google.com>
1265
1266         * script_sections.cc (class Memory_region): Remove "NULL" from
1267         vector initializations.
1268
1269 2010-09-15  Cary Coutant  <ccoutant@google.com>
1270
1271         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1272         Resolve forwarding symbols.
1273
1274 2010-09-15  Doug Kwan  <dougkwan@google.com>
1275
1276         * gold/testsuite/script_test_3.t: Add ARM special sections.
1277         * gold/testsuite/script_test_4.t: Same.
1278         * gold/testsuite/script_test_5.t: Same.
1279         * gold/testsuite/script_test_6.t: Same.
1280         * gold/testsuite/script_test_7.t: Same.
1281         * gold/testsuite/script_test_7.t: Same.
1282         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1283
1284 2010-09-14  Cary Coutant  <ccoutant@google.com>
1285
1286         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1287         (Target_x86_64::Relocate::relocate_tls): Replace check for
1288         saw_tls_block_reloc_ with test for executable section.
1289
1290 2010-09-12  Cary Coutant  <ccoutant@google.com>
1291
1292         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1293         position-independent executables to shared libraries need dynamic
1294         relocations.
1295         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1296         position-independent executables.
1297         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
1298         * testsuite/Makefile.in: Regenerate.
1299
1300 2010-09-10  Nick Clifton  <nickc@redhat.com>
1301
1302         PR gold/11997
1303         * testsuite/memory_test.t: Discard any sections that are not
1304         needed.
1305
1306 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1307
1308         PR gold/11996
1309         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
1310         "This::" to work around a bug in gcc 4.2.
1311
1312         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
1313
1314 2010-09-09  Rafael Espindola  <espindola@google.com>
1315
1316         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
1317         sections with different PF_X flags in the same segment.
1318         (Layout::find_first_load_seg): Search all segments to find the first
1319         one.
1320         * options.h (rosegment): New.
1321
1322 2010-09-08  Rafael Espindola  <espindola@google.com>
1323
1324         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
1325
1326 2010-09-08  Doug Kwan  <dougkwan@google.com>
1327
1328         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
1329         (Arm_relobj::do_relocate_sections): Add new parameter for output
1330         file to match the parent.
1331         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
1332         of local symbols instead of input values.  Update code to track
1333         changes in gold::relocate_section.
1334         * object.cc (Sized_relobj::compute_final_local_value): New methods.
1335         (Sized_relobj::compute_final_local_value_internal): New methods.
1336         (Sized_relobj::do_finalize_local_symbols): Move code from loop
1337         body into private version of Sized_relobj::compute_final_local_value.
1338         Call the inline method.
1339         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
1340         merged symbol value if there is one.
1341         (Symbol_value::has_output_value): New method defintiion.
1342         (Sized_relobj::Compute_final_local_value_status): New enum type.
1343         (Sized_relobj::compute_final_local_value): New methods.
1344         (Sized_relobj::compute_final_local_value_internal): New methods.
1345         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
1346         and arm_cortex_a8.sh.
1347         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
1348         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
1349         New tests.
1350         * Makefile.in: Regenerate.
1351         * testsuite/arm_bl_out_of_range.s: Update test.
1352         * testsuite/thumb_bl_out_of_range.s: Ditto.
1353         * testsuite/thumb_blx_out_of_range.s: Ditto.
1354         * testsuite/arm_branch_out_of_range.sh: New file.
1355         * testsuite/arm_cortex_a8.sh: Ditto.
1356         * testsuite/arm_cortex_a8_b.s: Ditto.
1357         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
1358         * testsuite/arm_cortex_a8_b_local.s: Ditto.
1359         * testsuite/arm_cortex_a8_bl.s: Ditto.
1360         * testsuite/arm_cortex_a8_blx.s: Ditto.
1361         * testsuite/arm_cortex_a8_local.s: Ditto.
1362         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
1363         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
1364
1365 2010-09-08  Rafael Espindola  <espindola@google.com>
1366
1367         * Makefile.am (memory_test.stdout): Run readelf with -W.
1368         * Makefile.in: Regenerate.
1369         * testsuite/memory_test.sh: Make the regexps accept both 32 and
1370         64 bit output.
1371
1372 2010-09-08  Rafael Espindola  <espindola@google.com>
1373
1374         * script-sections.cc (Script_sections::add_memory_region): Convert
1375         field precision to int.
1376         * script.cc (script_set_section_region, script_set_section_region):
1377         Convert field precision to int.
1378
1379 2010-09-08  Rafael Espindola  <espindola@google.com>
1380
1381         * arm.cc (do_finalize_sections): Create the __exidx_start and
1382         __exdix_end symbols even when the section is missing.
1383
1384 2010-09-08  Nick Clifton  <nickc@redhat.com>
1385
1386         * README: Remove claim that MEMORY is not supported.
1387         * expression.cc (script_exp_function_origin)
1388         (script_exp_function_length): Move from here to ...
1389         * script.cc: ... here.
1390         (script_set_section_region, script_add_memory)
1391         (script_parse_memory_attr, script_include_directive): New
1392         functions.
1393         * script-sections.cc
1394         (class Memory_region): New class.
1395         (class Output_section_definition): Add set_memory_region,
1396         set_section_vma, set_section_lma and get_section_name methods.
1397         (class Script_Sections): Add add_memory_region,
1398         find_memory_region, find_memory_region_origin,
1399         find_memory_region_length and set_memory_region methods.
1400         Have set_section_addresses method walk the list of set memory
1401         regions.
1402         Extend the print methos to display memory regions.
1403         * script-sections.h: Add prototypes for new methods.
1404         Add enum for MEMORY region attributes.
1405         * yyscript.y: Add support for parsing MEMORY regions.
1406         * script-c.h: Add prototypes for new functions.
1407         * testsuite/Makefile.am: Add test of MEMORY region functionality.
1408         * testsuite/Makefile.in: Regenerate.
1409         * testsuite/memory_test.sh: New script.
1410         * testsuite/memory_test.s: New assembler source file.
1411         * testsuite/memory_test.t: New linker script.
1412
1413 2010-08-27  Doug Kwan  <dougkwan@google.com>
1414
1415         * gold/resolve.cc (Symbol_table::should_override): Let a weak
1416         reference override an existing dynamic weak reference.
1417         * testsuite/Makefile.am: Add new test dyn_weak_ref.
1418         * testsuite/Makefile.in: Regenerate.
1419         * testsuite/dyn_weak_ref.sh: New file.
1420         * testsuite/dyn_weak_ref_1.c: Ditto.
1421         * testsuite/dyn_weak_ref_2.c: Ditto.
1422
1423 2010-08-27  Ian Lance Taylor  <iant@google.com>
1424
1425         * incremental.h (class Incremental_input_entry): Add virtual
1426         destructor.
1427
1428 2010-08-27  Ian Lance Taylor  <iant@google.com>
1429
1430         * testsuite/start_lib_test_3.c: Mark t3 as used.
1431
1432 2010-08-27  Nick Clifton  <nickc@redhat.com>
1433
1434         * options.cc (version_script): Fix small typo in previous
1435         whitespace tidyup.
1436
1437 2010-08-25  Nick Clifton  <nickc@redhat.com>
1438
1439         * archive.cc: Formatting fixes: Remove whitespace between
1440         typename and following asterisk.  Remove whitespace between
1441         function name and opening parenthesis.
1442         * archive.h: Likewise.
1443         * arm.cc: Likewise.
1444         * attributes.cc: Likewise.
1445         * attributes.h: Likewise.
1446         * common.cc: Likewise.
1447         * copy-relocs.cc: Likewise.
1448         * dirsearch.h: Likewise.
1449         * dynobj.cc: Likewise.
1450         * ehframe.cc: Likewise.
1451         * ehframe.h: Likewise.
1452         * expression.cc: Likewise.
1453         * fileread.cc: Likewise.
1454         * fileread.h: Likewise.
1455         * gc.h: Likewise.
1456         * gold-threads.cc: Likewise.
1457         * gold.cc: Likewise.
1458         * i386.cc: Likewise.
1459         * icf.h: Likewise.
1460         * incremental-dump.cc: Likewise.
1461         * incremental.cc: Likewise.
1462         * layout.cc: Likewise.
1463         * layout.h: Likewise.
1464         * main.cc: Likewise.
1465         * merge.cc: Likewise.
1466         * merge.h: Likewise.
1467         * object.cc: Likewise.
1468         * object.h: Likewise.
1469         * options.cc: Likewise.
1470         * options.h: Likewise.
1471         * output.cc: Likewise.
1472         * output.h: Likewise.
1473         * plugin.cc: Likewise.
1474         * plugin.h: Likewise.
1475         * powerpc.cc: Likewise.
1476         * reloc.cc: Likewise.
1477         * script-c.h: Likewise.
1478         * script-sections.cc: Likewise.
1479         * script.cc: Likewise.
1480         * stringpool.cc: Likewise.
1481         * symtab.cc: Likewise.
1482         * symtab.h: Likewise.
1483         * target.cc: Likewise.
1484         * timer.cc: Likewise.
1485         * timer.h: Likewise.
1486         * version.cc: Likewise.
1487         * x86_64.cc: Likewise.
1488
1489 2010-08-24  Nick Clifton  <nickc@redhat.com>
1490
1491         PR 11899
1492         * layout.cc (segment_precedes): Sort segments by their physical
1493         addresses, if they have been set.
1494
1495 2010-08-23  Cary Coutant  <ccoutant@google.com>
1496
1497         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
1498         symbols data.
1499         (Lib_group::include_member): Unlock object after deleting its
1500         symbols data.
1501         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
1502         the bug fixed here.
1503
1504 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
1505             Cary Coutant  <ccoutant@google.com>
1506
1507         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
1508         constructor, and set_blocker.
1509         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
1510         readsyms_blocker_.
1511         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
1512         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
1513         * testsuite/Makefile.am (start_lib_test): New test case.
1514         * testsuite/Makefile.in: Regenerate.
1515         * testsuite/start_lib_test_main.c: New file.
1516         * testsuite/start_lib_test_1.c: New file.
1517         * testsuite/start_lib_test_2.c: New file.
1518         * testsuite/start_lib_test_3.c: New file.
1519
1520 2010-08-19  Ian Lance Taylor  <iant@google.com>
1521
1522         * Makefile.in: Rebuild with automake 1.11.1.
1523         * aclocal.m4: Likewise.
1524         * testsuite/Makefile.in: Likewise.
1525
1526 2010-08-19  Ian Lance Taylor  <iant@google.com>
1527
1528         PR 10893
1529         * i386.cc (class Output_data_plt_i386): Update declarations.
1530         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
1531         local_ifuncs_ fields.
1532         (Target_i386::do_plt_section_for_global): New function.
1533         (Target_i386::do_plt_section_for_local): New function.
1534         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
1535         parameter; change all callers.  Initialize global_ifuncs_ and
1536         local_ifuncs_.  If doing a static link define __rel_iplt_start and
1537         __rel_iplt_end.
1538         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
1539         (Output_data_plt_i386::add_local_ifunc_entry): New function.
1540         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
1541         symbols.
1542         (Target_i386::make_plt_section): New function, broken out of
1543         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
1544         (Target_i386::make_plt_entry): Call make_plt_section.
1545         (Target_i386::make_local_ifunc_plt_entry): New function.
1546         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
1547         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
1548         R_386_IRELATIVE to switch.
1549         (Target_i386::Scan::global): Likewise.
1550         (Target_i386::Relocate::relocate): Likewise.
1551         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
1552         switch.
1553         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
1554         (Target_x86_64::do_plt_section_for_global): New function.
1555         (Target_x86_64::do_plt_section_for_local): New function.
1556         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
1557         parameter; change all callers.  If doing a static link define
1558         __rela_iplt_start and __rela_iplt_end.
1559         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
1560         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
1561         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
1562         to point to .plt.
1563         (Target_x86_64::make_local_ifunc_plt_entry): New function.
1564         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
1565         switch.
1566         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
1567         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
1568         R_X86_64_IRELATIVE to switch.
1569         (Target_x86_64::Scan::global): Likewise.
1570         (Target_x86_64::Relocate::relocate): Likewise.
1571         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
1572         switch.
1573         * target.h (class Target): Add plt_section_for_global and
1574         plt_section_for_local functions.  Add do_plt_section_for_global
1575         and do_plt_section_for_local virtual functions.
1576         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
1577         clarifying comments.
1578         (Symbol::use_plt_offset): Handle IFUNC symbol.
1579         * object.cc (Sized_relobj::Sized_relobj): Initialize
1580         local_plt_offsets_.
1581         (Sized_relobj::local_has_plt_offset): New function.
1582         (Sized_relobj::local_plt_offset): New function.
1583         (Sized_relobj::set_local_plt_offset): New function.
1584         (Sized_relobj::do_count): Handle IFUNC symbol.
1585         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
1586         a bit away from input_shndx_ field.  Add set_is_func_symbol and
1587         is_ifunc_symbol functions.
1588         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
1589         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
1590         local_plt_offsets_ field.
1591         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
1592         * output.h (class Output_section_data): Add non-const
1593         output_section function.
1594         (class Output_data_got): Update declarations.
1595         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
1596         Add use_plt_offset parameter to global and local constructors.
1597         Change all callers.  Change local_sym_index_ field to 31 bits.
1598         Change GSYM_CODE and CONSTANT_CODE accordingly.
1599         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
1600         doing a static link don't set sh_link field.
1601         (Output_data_got::Got_entry::write): Use PLT offset if
1602         appropriate.
1603         (Output_data_got::add_global_plt): New function.
1604         (Output_data_got::add_local_plt): New function.
1605         * target-reloc.h (relocate_section): Handle IFUNC symbol.
1606         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
1607         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
1608         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
1609         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
1610         IFUNC conditional.
1611         * testsuite/ifunc-sel.h: New file.
1612         * testsuite/ifuncmain1.c: New file.
1613         * testsuite/ifuncmain1vis.c: New file.
1614         * testsuite/ifuncmod1.c: New file.
1615         * testsuite/ifuncdep2.c: New file.
1616         * testsuite/ifuncmain2.c: New file.
1617         * testsuite/ifuncmain3.c: New file.
1618         * testsuite/ifuncmod3.c: New file.
1619         * testsuite/ifuncmain4.c: New file.
1620         * testsuite/ifuncmain5.c: New file.
1621         * testsuite/ifuncmod5.c: New file.
1622         * testsuite/ifuncmain6pie.c: New file.
1623         * testsuite/ifuncmod6.c: New file.
1624         * testsuite/ifuncmain7.c: New file.
1625         * configure, testsuite/Makefile.in: Rebuild.
1626
1627 2010-08-18  Ian Lance Taylor  <iant@google.com>
1628
1629         * incremental.cc
1630         (Output_section_incremental_inputs::write_input_files): Add cast
1631         to avoid signed/unsigned comparison warning.
1632         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1633
1634 2010-08-12  Cary Coutant  <ccoutant@google.com>
1635
1636         * common.cc (Sort_commons::operator()): Remove unnecessary code.
1637
1638 2010-08-13  Ian Lance Taylor  <iant@google.com>
1639
1640         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
1641
1642 2010-08-12  Cary Coutant  <ccoutant@google.com>
1643             Doug Kwan  <dougkwan@google.com>
1644
1645         * resolve.cc (Symbol_table::should_override): When a weak dynamic
1646         defintion overrides non-weak undef, remember that the original undef
1647         is not weak.
1648         * symtab.cc (Symbol_table::sized_write_global): For undef without
1649         an original weak binding, set binding to global in output.
1650         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
1651         * testsuite/Makefile.in: Regenerate.
1652         * testsuite/strong_ref_weak_def.sh: New file.
1653         * testsuite/strong_ref_weak_def_1.c: Ditto.
1654         * testsuite/strong_ref_weak_def_2.c: Ditto.
1655
1656 2010-08-12  Cary Coutant  <ccoutant@google.com>
1657
1658         * testsuite/incremental_test.sh: Rewrite.
1659         * testsuite/incremental_test_1.c: Rewrite.
1660         * testsuite/incremental_test_2.c: Rewrite.
1661
1662 2010-08-12  Cary Coutant  <ccoutant@google.com>
1663
1664         * arm.cc (Target_arm::got_size): Add const.
1665         (Target_arm::got_entry_count): New function.
1666         (Target_arm::plt_entry_count): New function.
1667         (Target_arm::first_plt_entry_offset): New function.
1668         (Target_arm::plt_entry_size): New function.
1669         (Output_data_plt_arm::entry_count): New function.
1670         (Output_data_plt_arm::first_plt_entry_offset): New function.
1671         (Output_data_plt_arm::get_plt_entry_size): New function.
1672         * i386.cc (Target_i386::got_size): Add const.
1673         (Target_i386::got_entry_count): New function.
1674         (Target_i386::plt_entry_count): New function.
1675         (Target_i386::first_plt_entry_offset): New function.
1676         (Target_i386::plt_entry_size): New function.
1677         (Output_data_plt_i386::entry_count): New function.
1678         (Output_data_plt_i386::first_plt_entry_offset): New function.
1679         (Output_data_plt_i386::get_plt_entry_size): New function.
1680         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
1681         find_incremental_inputs_sections.  Dump incremental_got_plt section.
1682         * incremental.cc: Include target.h.
1683         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
1684         parameter.  Adjust all callers.  Find incremental_got_plt section.
1685         (Incremental_inputs::create_data_sections): Create incremental_got_plt
1686         section.
1687         (Output_section_incremental_inputs::set_final_data_size): Calculate
1688         size of incremental_got_plt section.
1689         (Output_section_incremental_inputs::do_write): Write the
1690         incremental_got_plt section.
1691         (Got_plt_view_info): New struct.
1692         (Local_got_offset_visitor): New class.
1693         (Global_got_offset_visitor): New class.
1694         (Global_symbol_visitor_got_plt): New class.
1695         (Output_section_incremental_inputs::write_got_plt): New function.
1696         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
1697         Add parameter.  Adjust all callers.
1698         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1699         (Incremental_inputs::got_plt_section): New function.
1700         (Incremental_inputs::got_plt_section_): New data member.
1701         (Incremental_got_plt_reader): New class.
1702         * layout.cc (Layout::create_incremental_info_sections): Add the
1703         incremental_got_plt section.
1704         * object.h (Got_offset_list::get_list): New function.
1705         (Got offset_list::for_all_got_offsets): New function.
1706         (Sized_relobj::local_got_offset_list): New function.
1707         * powerpc.cc (Target_powerpc::got_size): Add const.
1708         (Target_powerpc::got_entry_count): New function.
1709         (Target_powerpc::plt_entry_count): New function.
1710         (Target_powerpc::first_plt_entry_offset): New function.
1711         (Target_powerpc::plt_entry_size): New function.
1712         (Output_data_plt_powerpc::entry_count): New function.
1713         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1714         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1715         * sparc.cc (Target_sparc::got_size): Add const.
1716         (Target_sparc::got_entry_count): New function.
1717         (Target_sparc::plt_entry_count): New function.
1718         (Target_sparc::first_plt_entry_offset): New function.
1719         (Target_sparc::plt_entry_size): New function.
1720         (Output_data_plt_sparc::entry_count): New function.
1721         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1722         (Output_data_plt_sparc::get_plt_entry_size): New function.
1723         * symtab.h (Symbol::got_offset_list): New function.
1724         (Symbol_table::for_all_symbols): New function.
1725         * target.h (Sized_target::got_entry_count): New function.
1726         (Sized_target::plt_entry_count): New function.
1727         (Sized_target::plt_entry_size): New function.
1728         * x86_64.cc (Target_x86_64::got_size): Add const.
1729         (Target_x86_64::got_entry_count): New function.
1730         (Target_x86_64::plt_entry_count): New function.
1731         (Target_x86_64::first_plt_entry_offset): New function.
1732         (Target_x86_64::plt_entry_size): New function.
1733         (Output_data_plt_x86_64::entry_count): New function.
1734         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1735         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1736
1737 2010-08-12  Cary Coutant  <ccoutant@google.com>
1738
1739         * archive.cc: Include incremental.h.
1740         (Archive::Archive): Initialize incremental_info_.
1741         (Archive::include_member): Record archive members in incremental info.
1742         (Add_archive_symbols::run): Record begin and end of an archive in
1743         incremental info.
1744         (Lib_group::include_member): Record objects in incremental info.
1745         * archive.h (Incremental_archive_entry): Forward declaration.
1746         (Archive::set_incremental_info): New member function.
1747         (Archive::incremental_info): New member function.
1748         (Archive::Unused_symbol_iterator): New class.
1749         (Archive::unused_symbols_begin): New member function.
1750         (Archive::unused_symbols_end): New member function.
1751         (Archive::incremental_info_): New data member.
1752         * incremental-dump.cc (find_input_containing_global): New function.
1753         (dump_incremental_inputs): Dump new incremental info sections.
1754         * incremental.cc: Include symtab.h.
1755         (Output_section_incremental_inputs): New class.
1756         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1757         new incremental info sections.
1758         (Sized_incremental_binary::do_check_inputs): Likewise.
1759         (Incremental_inputs::report_archive): Remove.
1760         (Incremental_inputs::report_archive_begin): New function.
1761         (Incremental_inputs::report_archive_end): New function.
1762         (Incremental_inputs::report_object): New function.
1763         (Incremental_inputs::finalize_inputs): Remove.
1764         (Incremental_inputs::report_input_section): New function.
1765         (Incremental_inputs::report_script): Rewrite.
1766         (Incremental_inputs::finalize): Do nothing but finalize string table.
1767         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1768         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1769         (Incremental_inputs::create_data_sections): New function.
1770         (Incremental_inputs::relocs_entsize): New function.
1771         (Output_section_incremental_inputs::set_final_data_size): New function.
1772         (Output_section_incremental_inputs::do_write): New function.
1773         (Output_section_incremental_inputs::write_header): New function.
1774         (Output_section_incremental_inputs::write_input_files): New function.
1775         (Output_section_incremental_inputs::write_info_blocks): New function.
1776         (Output_section_incremental_inputs::write_symtab): New function.
1777         * incremental.h (Incremental_script_entry): Forward declaration.
1778         (Incremental_object_entry): Forward declaration.
1779         (Incremental_archive_entry): Forward declaration.
1780         (Incremental_inputs): Forward declaration.
1781         (Incremental_inputs_header_data): Remove.
1782         (Incremental_inputs_header): Remove.
1783         (Incremental_inputs_header_write): Remove.
1784         (Incremental_inputs_entry_data): Remove.
1785         (Incremental_inputs_entry): Remove.
1786         (Incremental_inputs_entry_write): Remove.
1787         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1788         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1789         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1790         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1791         Likewise.
1792         (Incremental_input_entry): New class.
1793         (Incremental_script_entry): New class.
1794         (Incremental_object_entry): New class.
1795         (Incremental_archive_entry): New class.
1796         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1797         (Incremental_inputs::report_inputs): Remove.
1798         (Incremental_inputs::report_archive): Remove.
1799         (Incremental_inputs::report_archive_begin): New function.
1800         (Incremental_inputs::report_archive_end): New function.
1801         (Incremental_inputs::report_object): Change prototype.
1802         (Incremental_inputs::report_input_section): New function.
1803         (Incremental_inputs::report_script): Change prototype.
1804         (Incremental_inputs::get_reloc_count): New function.
1805         (Incremental_inputs::set_reloc_count): New function.
1806         (Incremental_inputs::create_data_sections): New function.
1807         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1808         (Incremental_inputs::inputs_section): New function.
1809         (Incremental_inputs::symtab_section): New function.
1810         (Incremental_inputs::relocs_section): New function.
1811         (Incremental_inputs::get_stringpool): Add const.
1812         (Incremental_inputs::command_line): Add const.
1813         (Incremental_inputs::inputs): Remove.
1814         (Incremental_inputs::command_line_key): New function.
1815         (Incremental_inputs::input_file_count): New function.
1816         (Incremental_inputs::input_files): New function.
1817         (Incremental_inputs::relocs_entsize): New function.
1818         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1819         (Incremental_inputs::finalize_inputs): Remove.
1820         (Incremental_inputs::Input_info): Remove.
1821         (Incremental_inputs::lock_): Remove.
1822         (Incremental_inputs::inputs_): Change type.
1823         (Incremental_inputs::inputs_map_): Remove.
1824         (Incremental_inputs::current_object_entry_): New data member.
1825         (Incremental_inputs::inputs_section_): New data member.
1826         (Incremental_inputs::symtab_section_): New data member.
1827         (Incremental_inputs::relocs_section_): New data member.
1828         (Incremental_inputs::reloc_count_): New data member.
1829         (Incremental_inputs_reader): New class.
1830         (Incremental_symtab_reader): New class.
1831         (Incremental_relocs_reader): New class.
1832         * layout.cc (Layout::finalize): Move finalization of incremental info
1833         and creation of incremental info sections to follow finalization of
1834         symbol table.  Set offsets for postprocessing sections.
1835         (Layout::create_incremental_info_sections): Call
1836         Incremental_inputs::create_data_sections.  Add incremental symtab
1837         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1838         sections to layout after input sections.
1839         * layout.h (struct Timespec): Forward declaration.
1840         (Layout::incremental_inputs): Add const.
1841         (Layout::create_incremental_info_sections): Add parameter.
1842         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1843         * object.cc: Include incremental.h.
1844         (Relobj::finalize_incremental_relocs): New function.
1845         (Sized_relobj::do_layout): Record input sections in incremental info.
1846         * object.h (Object::output_section): New function.
1847         (Object::output_section_offset): Moved from Relobj.
1848         (Object::get_incremental_reloc_base): New function.
1849         (Object::get_incremental_reloc_count): New function.
1850         (Object::do_output_section): New function.
1851         (Object::do_output_section_offset): Moved from Relobj.
1852         (Object::do_get_incremental_reloc_base): New function.
1853         (Object::do_get_incremental_reloc_count): New function.
1854         (Object::Object): Initialize new data members.
1855         (Relobj::output_section): Renamed do_output_section and moved to
1856         protected.
1857         (Relobj::output_section_offset): Moved to Object.
1858         (Relobj::do_get_incremental_reloc_base): New function.
1859         (Relobj::do_get_incremental_reloc_count): New function.
1860         (Relobj::allocate_incremental_reloc_counts): New function.
1861         (Relobj::count_incremental_reloc): New function.
1862         (Relobj::finalize_incremental_relocs): New function.
1863         (Relobj::next_incremental_reloc_index): New function.
1864         (Relobj::reloc_counts_): New data member.
1865         (Relobj::reloc_bases_): New data member.
1866         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1867         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1868         (Sized_relobj::incremental_relocs_scan): New function.
1869         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1870         (Sized_relobj::incremental_relocs_write): New function.
1871         (Sized_relobj::incremental_relocs_write_reltype): New function.
1872         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1873         incremental link.
1874         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1875         archives and object files elsewhere.
1876         (Add_symbols::run): Report object files here.
1877         (Finish_group::run): Report end of archive at end of group.
1878         * reloc.cc: Include layout.h, incremental.h.
1879         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1880         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1881         (Sized_relobj::incremental_relocs_scan): New function.
1882         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1883         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1884         (Sized_relobj::incremental_relocs_write): New function.
1885         (Sized_relobj::incremental_relocs_write_reltype): New function.
1886         * script.cc (read_input_script): Rewrite test for incremental link.
1887         Change call to Incremental_inputs::report_script.
1888         * symtab.h (Symbol_table::first_global_index): New function.
1889         (Symbol_table::output_count): New function.
1890
1891 2010-08-12  Doug Kwan  <dougkwan@google.com>
1892
1893         * arm.cc (Target_arm::merge_object_attributes): Check command line
1894         options --no-wchar-size-warning and --no-enum-size-warning.
1895         * options.h (General_options): Add ld-compatible options
1896         --no-enum-size-warning and --no-wchar-size-warning.
1897
1898 2010-08-04  Ian Lance Taylor  <iant@google.com>
1899
1900         * x86_64.cc (Target_x86_64::Scan::local): Use
1901         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1902         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1903         (Target_x86_64::Scan::global): Likewise.
1904         (Target_x86_64::Relocate::relocate): Likewise.
1905         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1906         Likewise.
1907
1908 2010-08-03  Cary Coutant  <ccoutant@google.com>
1909
1910         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1911         to reserve space in merged_strings vector. Keep total input size
1912         for stats.
1913         (Output_merge_string::do_print_merge_stats): Print total input size.
1914         * merge.h (Output_merge_string): Add input_size_ field.
1915         * stringpool.cc (Stringpool_template::string_length): Move
1916         implementations out of Stringpool_template class and place in
1917         stringpool.h.
1918         * stringpool.h (string_length): Move out of Stringpool_template.
1919
1920 2010-08-03  Ian Lance Taylor  <iant@google.com>
1921
1922         PR 11712
1923         * layout.cc (relaxation_loop_body): If address of load segment is
1924         set, adjust address to include headers if possible.
1925
1926 2010-08-03  Ian Lance Taylor  <iant@google.com>
1927
1928         * version.cc (version_string): Bump to 1.10.
1929
1930 2010-08-03  Ian Lance Taylor  <iant@google.com>
1931
1932         PR 11805
1933         * layout.h (enum Output_section_order): Define.
1934         (class Layout): Update declarations.
1935         * layout.cc (Layout::get_output_section): Add order parameter.
1936         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1937         is_first_non_relro parameters.  Change all callers.
1938         (Layout::choose_output_section): Likewise.
1939         (Layout::add_output_section_data): Likewise.
1940         (Layout::make_output_section): Likewise.  Set order.
1941         (Layout::default_section_order): New function.
1942         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1943         * output.cc (Output_section::Output_section): Initialize order_.
1944         Don't initialize deleted fields.
1945         (Output_segment::Output_segment): Don't initialize deleted
1946         fields.
1947         (Output_segment::add_output_section_to_load): New function
1948         replacing add_output_section.  Change all callers to call this or
1949         add_output_section_to_nonload.
1950         (Output_segment::add_output_section_to_nonload): New function.
1951         (Output_segment::remove_output_section): Rewrite.
1952         (Output_segment::add_initial_output_data): Likewise.
1953         (Output_segment::has_any_data_sections): Likewise.
1954         (Output_segment::is_first_section_relro): Likewise.
1955         (Output_segment::maximum_alignment): Likewise.
1956         (Output_segment::has_dynamic_reloc): New function replacing
1957         dynamic_reloc_count.  Change all callers.
1958         (Output_segment::has_dynamic_reloc_list): New function replacing
1959         dynamic_reloc_count_list.  Change all callers.
1960         (Output_segment::set_section_addresses): Rewrite.
1961         (Output_segment::set_offset): Rewrite.
1962         (Output_segment::find_first_and_last_list): Remove.
1963         (Output_segment::set_tls_offsets): Rewrite.
1964         (Output_segment::first_section_load_address): Likewise.
1965         (Output_segment::output_section_count): Likewise.
1966         (Output_segment::section_with_lowest_load_address): Likewise.
1967         (Output_segment::write_section_headers): Likewise.
1968         (Output_segment::print_sections_to_map): Likewise.
1969         * output.h (class Output_data): Remove dynamic_reloc_count_
1970         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1971         (Output_data::add_dynamic_reloc): Rewrite.
1972         (Output_data::has_dynamic_reloc): New function.
1973         (Output_data::dynamic_reloc_count): Remove.
1974         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1975         is_last_relro_, is_first_non_relro_, is_interp_,
1976         is_dynamic_linker_section_ fields.  Add order and set_order
1977         functions.  Remove is_relro_local, set_is_relro_local,
1978         is_last_relro, set_is_last_relro, is_first_non_relro,
1979         set_is_first_non_relro functions, is_interp, set_is_interp,
1980         is_dynamic_linker_section, and set_is_dynamic_linker_section
1981         functions.
1982         (class Output_segment): Change Output_data_list from std::list to
1983         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1984         output_bss_ fields.  Update declarations.
1985
1986 2010-08-02  Ian Lance Taylor  <iant@google.com>
1987
1988         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1989         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1990         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1991
1992 2010-08-02  Ian Lance Taylor  <iant@google.com>
1993
1994         PR 11855
1995         * script.cc (Script_options::Script_options): Initialize
1996         symbol_definitions_ and symbol_references_.
1997         (Script_options::add_symbol_assignment): Update
1998         symbol_definitions_ and symbol_references_.
1999         (Script_options::add_symbol_reference): New function.
2000         (script_symbol): New function.
2001         * script.h (class Script_options): Add symbol_definitions_ and
2002         symbol_references_ fields.
2003         (Script_options::referenced_const_iterator): New type.
2004         (Script_options::referenced_begin): New function.
2005         (Script_options::referenced_end): New function.
2006         (Script_options::is_referenced): New function.
2007         (Script_options::any_unreferenced): New function.
2008         * script-c.h (script_symbol): Declare.
2009         * yyscript.y (exp): Call script_symbol.
2010         * symtab.cc: Include "script.h".
2011         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2012         Change all callers.  Check symbols referenced by scripts.
2013         (Symbol_table::add_undefined_symbols_from_command_line): Add
2014         layout parameter.  Change all callers.
2015         (Symbol_table::do_add_undefined_symbols_from_command_line):
2016         Likewise.  Break out loop body.  Check symbols referenced by
2017         scripts.
2018         (Symbol_table::add_undefined_symbol_from_command_line): New
2019         function broken out of
2020         do_add_undefined_symbols_from_command_line.
2021         * symtab.h (class Symbol_table): Update declarations.
2022         * archive.cc: Include "layout.h".
2023         (Archive::should_include_member): Add layout parameter.  Change
2024         all callers.  Check for symbol mentioned in expression.
2025         * archive.h (class Archive): Update declaration.
2026         * object.cc (Sized_relobj::do_should_include_member): Add layout
2027         parameter.
2028         * object.h (Object::should_include_member): Add layout parameter.
2029         Change all callers.
2030         (Object::do_should_include_member): Add layout parameter.
2031         (class Sized_relobj): Update declaration.
2032         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2033         parameter.
2034         * dynobj.h (class Sized_dynobj): Update declaration.
2035         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2036         layout parameter.
2037         * plugin.h (class Sized_pluginobj): Update declaration.
2038
2039 2010-08-02  Ian Lance Taylor  <iant@google.com>
2040
2041         PR 11866
2042         * output.cc (Output_segment::set_offset): Search for the first and
2043         last sections rather than assuming that the list is in order.
2044         (Output_segment::find_first_and_last_list): New function.
2045         * output.h (class Output_segment): Update declarations.
2046         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2047         (relro_strip_test_SOURCES): New variable.
2048         (relro_strip_test_DEPENDENCIES): New variable.
2049         (relro_strip_test_LDFLAGS): New variable.
2050         (relro_strip_test_LDADD): New variable.
2051         (relro_strip_test.so): New target.
2052
2053 2010-08-02  Ian Lance Taylor  <iant@google.com>
2054
2055         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2056         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2057         (Target_i386::got_tlsdesc_section): New function.
2058         (Target_i386::got_section): Create space for GOT entries for
2059         TLSDESC relocations.
2060         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2061         R_386_TLS_GOTDESC.
2062         (Target_i386::Scan::global): Likewise.
2063         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2064         using TLSDESC GOT.
2065         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2066         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2067         (Target_x86_64::got_tlsdesc_section): New function.
2068         (Target_x86_64::got_section): Create space for GOT entries for
2069         TLSDESC relocations.
2070         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2071         R_386_TLS_GOTDESC.
2072         (Target_x86_64::Scan::global): Likewise.
2073         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2074         using TLSDESC GOT.
2075
2076 2010-08-02  Ian Lance Taylor  <iant@google.com>
2077
2078         * testsuite/final_layout.sh: Use dc to convert from hex to
2079         decimal.
2080
2081 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2082
2083         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2084         paramter to the call to gold::gc_process_relocs.
2085         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2086         paramter to the call to gold::gc_process_relocs.
2087         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2088         parameter to the call to gold::gc_process_relocs.
2089         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2090         template parameter to the call to gold::gc_process_relocs.
2091         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2092         paramter to the call to gold::gc_process_relocs.
2093         * gc.h (get_embedded_addend_size): New function.
2094         (gc_process_relocs): Save the size of the reloc for use by ICF.
2095         * icf.cc (get_section_contents): Get the addend from the text section
2096         for SHT_REL relocation sections.
2097         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2098         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2099         * int_encoding.h (read_from_pointer): New overloaded function.
2100         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2101         * testsuite/icf_sht_rel_addend_test.sh: New file.
2102         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2103         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2104
2105 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2106
2107         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2108         * Makefile.in: Regenerate.
2109         * testsuite/Makefile.in: Regenerate.
2110
2111 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2112
2113         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2114         * gold/testsuite/debug_msg.cc: Likewise.
2115         * gold/testsuite/odr_violation1.cc
2116         * gold/testsuite/odr_violation2.cc
2117
2118 2010-07-21  Cary Coutant  <ccoutant@google.com>
2119
2120         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2121         string, and length fields.
2122         (Output_merge_string::Merged_strings_list): New type.
2123         (Output_merge_string::Merged_strings_lists): New typedef.
2124         (Output_merge_string): Replace merged_strings_ with
2125         merged_strings_lists_.
2126         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2127         Merged_strings_list per input object and section.  Don't store pointer
2128         to the string.  Don't store length with each merged string entry.
2129         (Output_merge_string::finalize_merged_data): Loop over list of merged
2130         strings lists.  Recompute length of each merged string.
2131
2132 2010-07-15  Cary Coutant  <ccoutant@google.com>
2133
2134         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2135         here.
2136
2137 2010-07-14  Ian Lance Taylor  <iant@google.com>
2138
2139         * descriptors.cc (Descriptors::open): Report correct name in error
2140         message.
2141
2142 2010-07-13  Doug Kwan  <dougkwan@google.com>
2143
2144         * arm.cc (Arm_input_section::Arm_input_section): For a
2145         SHT_ARM_EXIDX section, always keeps the input sections.
2146         (Arm_input_section::set_exidx_section_link): New method.
2147         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2148         has_errors_ to false.
2149         (Arm_exidx_input_section::has_errors,
2150         Arm_exidx_input_section::set_has_errors): New methods.
2151         (Arm_exidx_input_section::has_errors_): New data member.
2152         (Arm_relobj::get_exidx_shndx_list): New method.
2153         (Arm_output_section::append_text_sections_to_list): Do not skip
2154         section without SHF_EXECINSTR.
2155         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2156         errors.
2157         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2158         section header.  Make error messages more verbose.  Check for
2159         a non-executable section linked to an EXIDX section.
2160         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2161         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2162         check that there is no deferred EXIDX section if we exit early.
2163         Instead of not making an EXIDX section in case of an error, make one
2164         and set the has_errors flag of it.
2165         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2166         in a relocatable link.
2167         (Target_arm::do_relax): Look for the EXIDX output section instead of
2168         assuming that it is called .ARM.exidx.
2169         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2170         section list.  Do not check for SHF_EXECINSTR section flags but
2171         skip any input section with errors.
2172         * output.cc (Output_section::Output_section): Initialize
2173         always_keeps_input_sections_ to false.
2174         (Output_section::add_input_section): Check for
2175         always_keeps_input_sections_.
2176         *  output.h (Output_section::always_keeps_input_sections,
2177         Output_section::set_always_keeps_input_sections): New methods.
2178         (Output_section::always_keeps_input_sections): New data member.
2179
2180 2010-07-13  Rafael Espindola  <espindola@google.com>
2181
2182         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2183         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2184
2185 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2186             Ian Lance Taylor  <iant@google.com>
2187
2188         * output.h (Output_section_lookup_maps::add_merge_section):
2189         Correct check of whether value was inserted.
2190         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2191         (Output_section_lookup_maps::add_relaxed_input_section):
2192         Likewise.
2193         * arm.cc (Target_arm::got_section): Remove used local os.
2194         * i386.cc (Target_i386::got_section): Likewise.
2195         * x86_64.cc (Target_x86_64::got_section): Likewise.
2196         * sparc.cc (Target_sparc::got_section): Likewise.
2197         (Target_sparc::relocate): Remove unused local have_got_offset.
2198         * powerpc.cc (Target_powerpc::relocate): Likewise.
2199
2200 2010-07-13  Ian Lance Taylor  <iant@google.com>
2201
2202         * compressed_output.cc (zlib_decompress): Fix signature in
2203         !HAVE_ZLIB_H case.
2204
2205         * archive.cc (Archive::include_member): Unlock an external member
2206         of a thin archive.  Don't bother to delete an object we know is
2207         NULL.
2208
2209 2010-07-12  Cary Coutant  <ccoutant@google.com>
2210
2211         * compressed_output.cc (zlib_decompress): New function.
2212         (get_uncompressed_size): New function.
2213         (decompress_input_section): New function.
2214         * compressed_output.h (get_uncompressed_size): New function.
2215         (decompress_input_section): New function.
2216         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2217         Handle compressed debug sections.
2218         * layout.cc (is_compressed_debug_section): New function.
2219         (Layout::output_section_name): Map compressed section names to
2220         canonical names.
2221         * layout.h (is_compressed_debug_section): New function.
2222         (is_debug_info_section): Recognize compressed debug sections.
2223         * merge.cc: Include compressed_output.h.
2224         (Output_merge_data::do_add_input_section): Handle compressed
2225         debug sections.
2226         (Output_merge_string::do_add_input_section): Handle compressed
2227         debug sections.
2228         * object.cc: Include compressed_output.h.
2229         (Sized_relobj::Sized_relobj): Initialize new data members.
2230         (build_compressed_section_map): New function.
2231         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2232         * object.h (Object::section_is_compressed): New method.
2233         (Object::do_section_is_compressed): New method.
2234         (Sized_relobj::Compressed_section_map): New type.
2235         (Sized_relobj::do_section_is_compressed): New method.
2236         (Sized_relobj::compressed_sections_): New data member.
2237         * output.cc (Output_section::add_input_section): Handle compressed
2238         debug sections.
2239         * reloc.cc: Include compressed_output.h.
2240         (Sized_relobj::write_sections): Handle compressed debug sections.
2241
2242 2010-07-08  Cary Coutant  <ccoutant@google.com>
2243
2244         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2245         weak when resolving to a dynamic def.
2246         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2247         for weak undef/dynamic def cases. Adjust callers.
2248         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2249         undef_binding_weak_.
2250         (Symbol_table::sized_write_globals): Adjust symbol binding.
2251         (Symbol_table::sized_write_symbol): Add binding parameter.
2252         * symtab.h (Symbol::set_undef_binding): New method.
2253         (Symbol::is_undef_binding_weak): New method.
2254         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2255         (Symbol_table::should_override): Add new parameter.
2256         (Symbol_table::sized_write_symbol): Add new parameter.
2257
2258         * testsuite/weak_undef_file1.cc: Add new test case.
2259         * testsuite/weak_undef_file2.cc: Fix header comment.
2260         * testsuite/weak_undef_test.cc: Add new test case.
2261
2262 2010-06-29  Doug Kwan  <dougkwan@google.com>
2263
2264         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2265         Initialize USE_SYMBOL_.
2266         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2267         definition.
2268         (Arm_reloc_property::uses_symbol_): New data member declaration.
2269         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2270         uses symbol value and symbol is undefined but not weakly undefined.
2271
2272 2010-06-28  Rafael Espindola  <espindola@google.com>
2273
2274         * plugin.cc (Plugin::load): Use dlerror.
2275
2276 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2277
2278         * symtab.cc (detect_odr_violations): When reporting an ODR
2279         violation, report an object where the symbol is defined.
2280
2281 2010-06-25  Doug Kwan  <dougkwan@google.com>
2282
2283         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2284         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2285         definition.
2286         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2287         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2288         target hook to detect function points.
2289         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2290         * icf.h (Icf::check_section_for_function_pointers): Change type of
2291         parameter SECTION_NAME to const reference to std::string.  Use
2292         target hook to determine if section may have unsafe pointers.
2293         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2294         method definition.
2295
2296 2010-06-21  Rafael Espindola  <espindola@google.com>
2297
2298         * fileread.cc (Input_file::find_fie): New
2299         (Input_file::open): Use Input_file::find_fie.
2300         * fileread.h (Input_file::find_fie): New
2301         * plugin.cc (set_extra_library_path): New.
2302         (Plugin::load): Add set_extra_library_path to the transfer vector.
2303         (Plugin_manager::set_extra_library_path): New.
2304         (Plugin_manager::add_input_file): Use the extra search path if set.
2305         (set_extra_library_path(): New.
2306         * plugin.h (Plugin_manager): Add set_extra_library_path and
2307         extra_search_path_.
2308
2309 2010-06-19  Cary Coutant  <ccoutant@google.com>
2310
2311         * layout.cc (gdb_sections): Add .debug_types.
2312         (lines_only_debug_sections): Likewise.
2313
2314 2010-06-18  Rafael Espindola  <espindola@google.com>
2315
2316         * plugin.cc (add_input_file,add_input_library)
2317         (Plugin_manager::add_input_file): Make filename arguments const.
2318         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
2319         const.
2320
2321 2010-06-16  Doug Kwan  <dougkwan@google.com>
2322
2323         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
2324         .ARM.attributes section if we have not merged any input
2325         attributes sections.
2326
2327 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2328
2329         * arm.cc: Allow combining objects with no EABI version
2330         information.
2331
2332 2010-06-15  Rafael Espindola  <espindola@google.com>
2333
2334         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
2335
2336 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2337
2338         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
2339         (struct iovec): Correct !HAVE_READV definition.
2340
2341 2010-06-10  Cary Coutant  <ccoutant@google.com>
2342
2343         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
2344         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
2345         reloc sections.
2346         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
2347
2348         PR 11683
2349         * symtab.h (Symbol::is_placeholder): New member function.
2350         * target-reloc.h (relocate_section): Check for placeholder symbols.
2351
2352         * testsuite/Makefile.am (plugin_test_8): New test.
2353         (plugin_test_9): New test.
2354         * testsuite/Makefile.in: Regenerate.
2355
2356 2010-06-09  Nick Clifton  <nickc@redhat.com>
2357
2358         * yyscript.y (input_list_element): Allow strings prefixed with
2359         the '-' character.  Treat these as libraries.
2360         * script.cc (script_add_library): New function.  Adds a library
2361         specified by "-l<name>" found in an input script.
2362         * script-c.h: Add prototype for script_add_library.
2363
2364 2010-06-07  Doug Kwan  <dougkwan@google.com>
2365
2366         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
2367         Restrict stub-group size to be within long conditional branch
2368         range when working around cortex-A8 erratum.
2369
2370 2010-06-07  Damien Diederen  <dd@crosstwine.com>
2371
2372         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
2373         #ifdef typo.
2374
2375 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
2376
2377         PR gold/11658
2378         * output.cc
2379         (Output_section::Input_section_sort_entry::compare_section_ordering):
2380         Change to return non-zero correctly.
2381         (Output_section::Input_section_sort_section_order_index_compare
2382         ::operator()): Change to fix ambiguity in comparisons.
2383
2384 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
2385
2386         * gold.h (is_wildcard_string): New function.
2387         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
2388         (Layout::layout_eh_frame): Ditto.
2389         (Layout::find_section_order_index): New method.
2390         (Layout::read_layout_from_file): New method.
2391         * layout.h (Layout::find_section_order_index): New method.
2392         (Layout::read_layout_from_file): New method.
2393         (Layout::input_section_position_): New private member.
2394         (Layout::input_section_glob_): New private member.
2395         * main.cc (main): Call read_layout_from_file here.
2396         * options.h (--section-ordering-file): New option.
2397         * output.cc (Output_section::input_section_order_specified_): New
2398         member.
2399         (Output_section::Output_section): Initialize new member.
2400         (Output_section::add_input_section): Add new parameter.
2401         Keep input sections when --section-ordering-file is used.
2402         (Output_section::set_final_data_size): Sort input sections when
2403         section ordering file is specified.
2404         (Output_section::Input_section_sort_entry): Add new parameter.
2405         Check sorting type.
2406         (Output_section::Input_section_sort_entry::compare_section_ordering):
2407         New method.
2408         (Output_section::Input_section_sort_compare::operator()): Change to
2409         consider section_order_index.
2410         (Output_section::Input_section_sort_init_fini_compare::operator()):
2411         Change to consider section_order_index.
2412         (Output_section::Input_section_sort_section_order_index_compare
2413         ::operator()): New method.
2414         (Output_section::sort_attached_input_sections): Change to sort
2415         according to section order when specified.
2416         (Output_section::add_input_section<32, true>): Add new parameter.
2417         (Output_section::add_input_section<64, true>): Add new parameter.
2418         (Output_section::add_input_section<32, false>): Add new parameter.
2419         (Output_section::add_input_section<64, false>): Add new parameter.
2420         * output.h (Output_section::add_input_section): Add new parameter.
2421         (Output_section::input_section_order_specified): New
2422         method.
2423         (Output_section::set_input_section_order_specified): New method.
2424         (Input_section::Input_section): Initialize section_order_index_.
2425         (Input_section::section_order_index): New method.
2426         (Input_section::set_section_order_index): New method.
2427         (Input_section::section_order_index_): New member.
2428         (Input_section::Input_section_sort_section_order_index_compare): New
2429         struct.
2430         (Output_section::input_section_order_specified_): New member.
2431         * script-sections.cc (is_wildcard_string): Delete and move modified
2432         method to gold.h.
2433         (Output_section_element_input::Output_section_element_input): Modify
2434         call to is_wildcard_string.
2435         (Output_section_element_input::Input_section_pattern
2436         ::Input_section_pattern): Ditto.
2437         (Output_section_element_input::Output_section_element_input): Ditto.
2438         * testsuite/Makefile.am (final_layout): New test case.
2439         * testsuite/Makefile.in: Regenerate.
2440         * testsuite/final_layout.cc: New file.
2441         * testsuite/final_layout.sh: New file.
2442
2443 2010-06-01  Rafael Espindola  <espindola@google.com>
2444
2445         * plugin.cc (Plugin::load): Pass the output name to the plugin.
2446
2447 2010-06-01  Rafael Espindola  <espindola@google.com>
2448
2449         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
2450         visibility of symbols.
2451
2452 2010-05-27  Doug Kwan  <dougkwan@google.com>
2453
2454         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
2455         from start of output section instead of address for a local symbol
2456         in a merged or relaxed section when doing a relocatable link.
2457
2458 2010-05-26  Rafael Espindola  <espindola@google.com>
2459
2460        PR 11604
2461         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
2462         adding sections the garbage collector removed.
2463         * gold/testsuite/Makefile.am: Add test.
2464         * gold/testsuite/Makefile.in: Regenerate.
2465         * gold/testsuite/plugin_test_7.sh: New.
2466         * gold/testsuite/plugin_test_7_1.c: New.
2467         * gold/testsuite/plugin_test_7_2.c: New.
2468
2469 2010-05-26  Rafael Espindola  <espindola@google.com>
2470
2471         * script-sections.cc (Output_section_definition::set_section_addresses):
2472         Check for --section-start.
2473
2474 2010-05-26  Doug Kwan  <dougkwan@google.com>
2475
2476         * arm.cc (Arm_scan_relocatable_relocs): New class.
2477         (Target_arm::relocate_special_relocatable): New method.
2478         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
2479         (Arm_relocate_functions::thumb_branch_common): Same.
2480         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
2481         instead of Default_scan_relocatable_relocs.
2482         * target-reloc.h (relocate_for_relocatable): Let target handle
2483         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
2484         * target.h (Sized_target::relocate_special_relocatable): New method.
2485
2486 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2487
2488         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
2489
2490 2010-05-23  Doug Kwan  <dougkwan@google.com>
2491
2492         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
2493         instead of a cast.
2494         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
2495         with a direct branch, not a conditional branch, to a stub.
2496         * merge.cc (Output_merge_base::record_input_section): New method
2497         defintion.
2498         (Output_merge_data::do_add_input_section): Record input section if
2499         keeps-input-sections flag is set.
2500         (Output_merge_string::do_add_input_section): Ditto.
2501         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
2502         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
2503         INPUT_SECTIONS_.
2504         (Output_merge_base::keeps_input_sections,
2505         Output_merge_base::set_keeps_input_sections,
2506         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
2507         method definitions.
2508         (Output_merge_base::Input_sections): New type declaration.
2509         (Output_merge_base::input_sections_begin,
2510         Output_merge_base::input_sections_end,
2511         Output_merge_base::do_set_keeps_input_sections): New method definitions.
2512         (Output_merge_base::bool keeps_input_sections_,
2513         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
2514         Output_merge_base::input_sections_): New data members.
2515         (Output_merge_data::do_set_keeps_input_sections): New method
2516         defintion.
2517         (Output_merge_string::do_set_keeps_input_sections): Ditto.
2518         * output.cc (Output_section::Input_section::relobj): Move method
2519         defintion from class declaration to here and handle merge sections.
2520         (Output_section::Input_section::shndx): Ditto.
2521         (Output_section::Output_section): Remove initializations of removed
2522         data members and initialize new data member LOOKUP_MAPS_.
2523         (Output_section::add_input_section): Set keeps-input-sections flag
2524         for a newly created merge output section as appropriate.  Adjust code
2525         to use Output_section_lookup_maps class.
2526         (Output_section::add_relaxed_input_section): Adjst code for lookup
2527         maps code refactoring.
2528         (Output_section::add_merge_input_section): Add a new parameter
2529         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
2530         class.  If adding input section to a newly created merge output
2531         section fails, remove the new merge section.
2532         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
2533         Adjust code for use of the Output_section_lookup_maps class.
2534         (Output_section::find_merge_section): Ditto.
2535         (Output_section::build_lookup_maps): New method defintion.
2536         (Output_section::find_relaxed_input_section): Adjust code to use
2537         Output_section_lookup_maps class.
2538         (Output_section::get_input_sections): Export merge sections.  Adjust
2539         code to use Output_section_lookup_maps class.
2540         (Output_section:::add_script_input_section): Adjust code to use
2541         Output_section_lookup_maps class.  Update lookup maps for merge
2542         sections also.
2543         (Output_section::discard_states): Use Output_section_lookup_maps.
2544         (Output_section::restore_states): Same.
2545         * output.h (Merge_section_properties): Move class defintion out of
2546         Output_section.
2547         (Output_section_lookup_maps): New class.
2548         (Output_section::Input_section::is_merge_section): New method
2549         defintion.
2550         (Output_section::Input_section::relobj): Move defintion out of class
2551         defintion.  Declare method only.
2552         (Output_section::Input_section::shndx): Ditto.
2553         (Output_section::Input_section::output_merge_base): New method defintion.
2554         (Output_section::Input_section::u2_.pomb): New union field.
2555         (Output_section::Merge_section_by_properties_map,
2556         Output_section::Output_section_data_by_input_section_map,
2557         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
2558         Remove types.
2559         (Output_section::add_merge_input_section): Add new parameter
2560         KEEPS_INPUT_SECTIONS.
2561         (Output_section::build_lookup_maps): New method declaration.
2562         (Output_section::merge_section_map_,
2563         Output_section::merge_section_by_properties_map_,
2564         Output_section::relaxed_input_section_map_,
2565         Output_section::is_relaxed_input_section_map_valid_): Remove data
2566         members.
2567         (Output_section::lookup_maps_): New data member.
2568
2569 2010-05-21  Doug Kwan  <dougkwan@google.com>
2570
2571         PR gold/11619
2572         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
2573         avoid a compilation error.
2574
2575 2010-05-19  Rafael Espindola  <espindola@google.com>
2576
2577         * script-sections.cc (Output_section_definition::allocate_to_segment):
2578         Update the phdrs_list even when the output section is NULL.
2579         * testsuite/Makefile.am: Add test.
2580         * testsuite/Makefile.in: Regenerate.
2581         * testsuite/script_test_9.cc: New.
2582         * testsuite/script_test_9.sh: New.
2583         * testsuite/script_test_9.t: New.
2584
2585 2010-05-19  Doug Kwan  <dougkwan@google.com>
2586
2587         * arm.cc (Arm_input_section::original_size): New method.
2588         (Arm_input_section::do_addralign): Add a cast.
2589         (Arm_input_section::do_output_offset): Remove static cast.
2590         (Arm_input_section::original_addralign,
2591          Arm_input_section::original_size_): Change type to uint32_t.
2592         (Arm_input_section::init): Add safe casts for section alignment
2593         and size.
2594         (Arm_input_section::set_final_data_size): Do not set address and
2595         offset of stub table.
2596         (Arm_output_section::fix_exidx_coverage): Change use of of
2597         Output_section::Simple_input_section to that of
2598         Output_section::Input_section.
2599         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
2600         except for the first pass.
2601         * output.cc (Output_section::get_input_sections): Change type of
2602         input_sections to std::list<Input_section>.
2603         (Output_section::add_script_input_section): Rename from
2604         Output_section::add_simple_input_section.  Change type of SIS
2605         parameter from Simple_input_section to Input_section.
2606         * output.h (Output_section::Simple_input_section): Remove class.
2607         (Output_section::Input_section): Change class visibility to public.
2608         (Output_section::Input_section::addralign): Use stored alignments
2609         for special input sections if set.
2610         (Output_section::Input_section::set_addralign): New method.
2611         (Output_section::get_input_sections): Change parameter type from
2612         list of Simple_input_section to list of Input_section.
2613         (Output_section::add_script_input_section): Rename from
2614         Output_section::add_simple_input_section. Change first parameter's
2615         type from Simple_input_section to Input_section and remove the
2616         second and third parameters.
2617         * script-sections.cc (Input_section::Input_section_list): Change
2618         type to list of Output_section::Input_section/
2619         (Input_section_info::Input_section_info): Change parameter type of
2620         INPUT_SECTION to Output_section::Input_section.
2621         (Input_section_info::input_section): Change return type.
2622         (Input_section_info::input_section_): Change type to
2623         Output_section::Input_section.
2624         (Output_section_element_input::set_section_addresses): Adjust code
2625         to use Output_section::Input_section instead of
2626         Output_section::Simple_input_section.  Adjust code for renaming
2627         of Output_section::add_simple_input_section.
2628         (Orphan_output_section::set_section_addresses): Ditto.
2629
2630 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2631
2632         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
2633         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
2634
2635 2010-05-18  Rafael Espindola  <espindola@google.com>
2636
2637         * options.cc (General_options::finalize): Handle -nostdlib.
2638         * options.h (nostdlib): New option.
2639         * script.cc (script_add_search_dir): Handle -nostdlib.
2640
2641 2010-05-12  Doug Kwan  <dougkwan@google.com>
2642
2643         * arm.cc (Target_arm::do_finalize_sections): Create an empty
2644         attributes section only if there no attributes section after merging.
2645         (Target_arm::merge_object_attributes): Move value of
2646         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
2647         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
2648         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
2649         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
2650         and arm_attr_merge_7.stdout.
2651         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
2652         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
2653         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
2654         arm_attr_merge_7b.o): New rules.
2655         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
2656         arm_attr_merge_7
2657         * testsuite/Makefile.in: Regenerate.
2658         * testsuite/arm_attr_merge.sh: New file.
2659         * testsuite/arm_attr_merge_[67][ab].s: Same.
2660
2661 2010-05-05  Nick Clifton  <nickc@redhat.com>
2662
2663         * po/es.po: Updated Spanish translation.
2664
2665 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2666
2667         * Makefile.am (install-exec-local): Properly install gold as
2668         default cross linker.
2669         * Makefile.in: Regenerated.
2670
2671 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2672             Nick Clifton  <nickc@redhat.com>
2673
2674         * configure.ac (install_as_default): Define and set to false
2675         unless --enable-gold or --enable-gold=both/gold has been
2676         specified.
2677         * configure: Regenerate.
2678
2679         * Makefile.am (install-exec-local): Install the executable as
2680         'ld.gold'.  If install_as_default is true then also install it as
2681         'ld'.
2682         * Makefile.in: Regenerated.
2683
2684 2010-04-24  Ian Lance Taylor  <iant@google.com>
2685
2686         * layout.cc (Layout::layout_reloc): In relocatable link don't
2687         combine reloc sections for grouped sections.
2688
2689 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
2690
2691         * gc.h (gc_process_relocs): Pass information on relocs pointing to
2692         sections that are not ordinary to icf.
2693         * icf.cc (get_section_contents): Handle relocation pointing to section
2694         with no object or shndx information.
2695         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
2696         * testsuite/Makefile.in: Regenerate.
2697         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
2698         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2699
2700 2010-04-22  Ian Lance Taylor  <iant@google.com>
2701
2702         * expression.cc (Expression::Expression_eval_info): Add
2703         result_alignment_pointer field.
2704         (Expression::eval_with_dot): Add result_alignment_pointer
2705         parameter.  Change all callers.
2706         (Expression::eval_maybe_dot): Likewise.
2707         (class Binary_expression): Add alignment_pointer parameter to
2708         left_value and right_value.  Change all callers.
2709         (BINARY_EXPRESSION): Set result alignment.
2710         (class Trinary_expression): Add alignment_pointer parameter to
2711         arg2_value and arg3_value.  Change all callers.
2712         (Trinary_cond::value): Set result alignment.
2713         (Max_expression::value, Min_expression::value): Likewise.
2714         (Align_expression::value): Likewise.
2715         * script-sections.cc (class Sections_element): Add dot_alignment
2716         parameter to set_section_addresses virtual function.  Update
2717         instantiations.
2718         (class Output_section_element): Likewise.
2719         (Script_sections::create_segments): Add dot_alignment parameter.
2720         Change all callers.
2721         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2722         (Script_sections::set_phdrs_clause_addresses): Likewise.
2723         * script-sections.h: Update declarations.
2724         * script.h: Update declarations.
2725         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2726         min_p_align.
2727         * testsuite/script_test_3.t: Set large alignment.
2728         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2729         segment has expected alignment.
2730
2731 2010-04-22  Nick Clifton  <nickc@redhat.com>
2732
2733         * po/gold.pot: Updated by the Translation project.
2734         * po/vi.po: Updated Vietnamese translation.
2735
2736 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2737
2738         * testsuite/Makefile.am (check_PROGRAMS): Add
2739         icf_virtual_function_folding_test.
2740         * testsuite/Makefile.in: Regenerated.
2741
2742 2010-04-15  Andrew Haley  <aph@redhat.com>
2743
2744         * options.h (merge_exidx_entries): New option.
2745         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2746         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2747         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2748         (Target_arm::merge_exidx_entries): New function.
2749         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2750         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2751         to Arm_exidx_fixup constructor.
2752         Add new arg, merge_exidx_entries.
2753         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2754         Arm_output_section::fix_exidx_coverage.
2755
2756 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2757
2758         * icf.cc (get_section_contents): Check for preemptible functions.
2759         Ignore addend when appropriate.
2760         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2761         section folded.
2762         (add_from_relobj): Check for section folded.
2763         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2764         * symtab.h (should_add_dynsym_entry): Add new parameter.
2765         * target-reloc.h (scan_relocs): Check for section folded.
2766         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2767         Check reloc types for function pointers in shared objects.
2768         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2769         case.
2770         (icf_preemptible_functions_test): New test case.
2771         (icf_string_merge_test): New test case.
2772         * testsuite.Makefile.in: Regenerate.
2773         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2774         bar_glob.  Refactor code.
2775         * testsuite/icf_preemptible_functions_test.cc: New file.
2776         * testsuite/icf_preemptible_functions_test.sh: New file.
2777         * testsuite/icf_string_merge_test.cc: New file.
2778         * testsuite/icf_string_merge_test.sh: New file.
2779         * testsuite/icf_virtual_function_folding_test.cc: New file.
2780         * testsuite/icf_virtual_function_folding_test.sh: New file.
2781
2782 2010-04-14  Doug Kwan  <dougkwan@google.com>
2783
2784         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2785         for local symbol recounting if we remove a section due to ICF.
2786         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2787         there are no regular objects in input.
2788
2789 2010-04-13  Doug Kwan  <dougkwan@google.com>
2790
2791         * arm.cc (Arm_input_section::set_final_data_size): Compute
2792         accurate final data size instead of using current data size.
2793
2794 2010-04-09  Doug Kwan  <dougkwan@google.com>
2795
2796         * layout.cc (Layout::choose_output_section): Handle script section
2797         types.
2798         (Layout::make_output_section_for_script): Add section type parameter.
2799         Handle script section types.
2800         * layout.h (Layout::make_output_section_for_script): Add section
2801         type parameter.
2802         * output.cc (Output_section::Output_section): Initialize data member
2803         is_noload_.
2804         (Output_section::do_reset_address_and_file_offset): Do not set address
2805         to 0 if section is a NOLOAD section.
2806         * output.h (Output_section::is_noload): New method.
2807         (Output_section::set_is_noload): Ditto.
2808         (Output_section::is_noload_): New data member.
2809         * script-c.h (Script_section_type): New enum type.
2810         (struct Parser_output_section_header): Add new file section_type.
2811         * script-sections.cc (Sections_element::output_section_name): Add
2812         parameter for returning script section type.
2813         (Output_section_definition::output_section_name): Ditto.
2814         (Output_section_definition::section_type)P; New method.
2815         (Output_section_definiton::script_section_type_name): Ditto.
2816         (Output_section_definition::script_section_type_): New data member.
2817         (Output_section_definition::Output_section_definition): Initialize
2818         data member Output_section_definition::script_section_type_.
2819         (Output_section_definition::create_sections): Pass script section type
2820         to Layout::make_output_section_for_script.
2821         (Output_section_definition::output_section_name): Return script
2822         section type to caller.
2823         (Output_section_definition::set_section_address): Do not advance
2824         dot value and load address if section type is NOLOAD.  Set address
2825         of NOLOAD sections regardless of section flags.
2826         (Output_section_definition::print): Print section type if it is
2827         not SCRIPT_SECTION_TYPE_NONE.
2828         (Output_section_definition::section_type): New method.
2829         (Output_section_definition::script_section_type_name): Ditto.
2830         (Script_sections::output_section_name): Add new parameter
2831         PSECTION_TYPE for returning script section type.  Pass it to
2832         section elements.  Handle discard sections.
2833         (Sort_output_sections::operator()): Handle NOLOAD sections.
2834         * script-sections.h (Script_sections::Section_type): New enum type.
2835         (Script_sections::output_section_name): Add a new parameter for
2836         returning script section type.
2837         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2838         INFO and NOLOAD.
2839         * yyscript.y (union): Add new field SECTION_TYPE.
2840         (COPY, DSECT, INFO, NOLOAD): New tokens.
2841         (opt_address_and_section_type): Change type to output_section_header.
2842         (section_type): New non-terminal
2843         (section_header): Handle section type.
2844         (opt_address_and_section_type): Return section type value.
2845
2846 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2847
2848         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2849         * testsuite/plugin_common_test_2.c (foo): Likewise.
2850
2851 2010-04-08  Doug Kwan  <dougkwan@google.com>
2852
2853         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2854         Output_merge_data.
2855         * output.cc (Output_section::add_merge_input_section): Simplify
2856         code and return status of Output_merge_base::add_input_section.
2857         Update merge section map only if Output_merge_base::add_input_section
2858         returns true.
2859
2860 2010-04-07  Doug Kwan  <dougkwan@google.com>
2861
2862         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2863         if section is marked as containing instructions but has no mapping
2864         symbols.
2865         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2866         correct section index.
2867         (Arm_relobj::find_linked_text_section): Ditto.
2868
2869 2010-04-07  Cary Coutant  <ccoutant@google.com>
2870
2871         * archive.cc (include_member): Destroy Read_symbols_data object before
2872         releasing file.
2873         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2874         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2875         (Read_symbols_data::~Read_symbols_data) New destructor.
2876         (Section_relocs::Section_relocs) New constructor.
2877         (Section_relocs::~Section_relocs) New destructor.
2878         (Read_relocs_data::Read_relocs_data) New constructor.
2879         (Read_relocs_data::~Read_relocs_data) New destructor.
2880         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2881         pointers to NULL after deleting.
2882
2883 2010-04-07  Doug Kwan  <dougkwan@google.com>
2884
2885         * arm.cc: Replace "endianity" with "endianness" in comments.
2886         (Arm_exidx_cantunwind): Ditto.
2887         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2888         (Arm_relobj::merge_flags_and_attributes): New method.
2889         (Arm_relobj::merge_flags_and_attributes_): New data member.
2890         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2891         (Arm_relobj::scan_sections_for_stubs): Ditto.
2892         (Arm_relobj::do_read_symbols): Check to see if we really want to
2893         merge processor-specific flags and attributes.  Exit early if
2894         an object is empty except for section names and the undefined symbol.
2895         (Target_arm::do_finalize_sections): Move check for ELF format to
2896         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2897         attributes from a regular object only when we have determined that
2898         it is aapropriate.  Do not create an .ARM.attributes section in
2899         output if there is no regular input object.
2900         (Target_arm::merge_processor_specific_flags): Check
2901         --warn-mismatch before printing any error.
2902         (Target_arm::merge_object_attributes): Ditto.
2903         * gold.cc (queue_middle_tasks): Handle the case in which there is
2904         no regular object in input.
2905         * options.cc (General_options::parse_EB): New method.
2906         (General_options::parse_EL): Same.
2907         (General_options::General_options): Initialize endianness_.
2908         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2909         New options.
2910         (General_options::Endianness): New enum.
2911         (General_options::endianness): New method.
2912         (General_options::endianness_): New data member.
2913         * parameters.cc (Parameters::set_options): Check target endianness.
2914         (Parameters::set_target_once): Ditto.
2915         (Parameters::check_target_endianness): New method.
2916         (parameters_force_valid_target): If either -EL or -EB is specified,
2917         use it to define endianness of default target.
2918         * parameters.h (Parameters::check_target_endianness): New method
2919         declaration.
2920         * target.h (class Target): Change "endianity" to "endianness"
2921         in comments.
2922
2923 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2924
2925         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2926         * configure: Regenerate.
2927         * Makefile.in: Regenerate.
2928         * testsuite/Makefile.in: Regenerate.
2929
2930 2010-04-06  Cary Coutant  <ccoutant@google.com>
2931
2932         gcc PR lto/42757
2933         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2934         prevailing definitions of common symbols.
2935         * testsuite/plugin_test_6.sh: New test case.
2936         * testsuite/plugin_common_test_1.c: New test case.
2937         * testsuite/plugin_common_test_2.c: New test case.
2938         * testsuite/Makefile.am (plugin_test_6): New test case.
2939         * testsuite/Makefile.in: Regenerate.
2940
2941 2010-04-06  Nick Clifton  <nickc@redhat.com>
2942
2943         * po/vi.po: New Vietnamese translation.
2944
2945 2010-03-30  Doug Kwan  <dougkwan@google.com>
2946
2947         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2948
2949 2010-03-25  Doug Kwan  <dougkwan@google.com>
2950
2951         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2952         to avoid a conversion warning on a 32-bit host.
2953
2954 2010-03-24  Ian Lance Taylor  <iant@google.com>
2955
2956         * testsuite/script_test_3.t: Add a TLS segment.
2957         * testsuite/Makefile.am (check_PROGRAMS): Add
2958         tls_phdrs_script_test.
2959         (tls_phdrs_script_test_SOURCES): Define.
2960         (tls_phdrs_script_test_DEPENDENCIES): Define.
2961         (tls_phdrs_script_test_LDFLAGS): Define.
2962         (tls_phdrs_script_test_LDADD): Define.
2963         * testsuite/Makefile.in: Rebuild.
2964
2965 2010-03-23  Cary Coutant  <ccoutant@google.com>
2966
2967         * fileread.cc (find_or_make_view): Fix comment.
2968
2969 2010-03-23  Ian Lance Taylor  <iant@google.com>
2970
2971         * script-sections.cc (class Orphan_section_placement): Define
2972         PLACE_TLS and PLACE_TLS_BSS.
2973         (Orphan_section_placement::Orphan_section_placement): Initialize
2974         new places.
2975         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2976         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2977         (tls_script_test_SOURCES): Define.
2978         (tls_script_test_DEPENDENCIES): Define.
2979         (tls_script_test_LDFLAGS): Define.
2980         (tls_script_test_LDADD): Define.
2981         * testsuite/Makefile.in: Rebuild.
2982
2983 2010-03-22  Doug Kwan  <dougkwan@google.com>
2984
2985         * arm.cc (Arm_relocate_functions::abs8,
2986         Arm_relocate_functions::abs16): Use correct check for overflow
2987         specified in the ARM ELF specs.
2988         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2989         target of a BLX instruction specially.
2990         (Reloc_stub::stub_type_for_reloc): Ditto.
2991         (Relocate::relocate): Use symbolic names instead of numeric relocation
2992         codes to report error.
2993         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2994         workaround.
2995         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2996         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2997         thumb2_blx_out_of_range.stdout
2998         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2999         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3000         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3001         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3002         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3003         thumb2_blx_in_range, thumb2_blx_in_range.o,
3004         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3005         thumb2_blx_out_of_range.o): New rules.
3006         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3007         thumb2_blx_in_range and thumb2_blx_out_of_range.
3008         * testsuite/Makefile.in: Regenerate.
3009         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3010         * testsuite/thumb_blx_in_range.s: New file.
3011         * testsuite/thumb_blx_out_of_range.s: New file.
3012
3013 2010-03-22  Rafael Espindola  <espindola@google.com>
3014
3015         * archive.cc (Should_include): Move to archive.h.
3016         (should_include_member): Make it a member of Archive.
3017         (Lib_group): New.
3018         (Add_lib_group_symbols): New.
3019         * archive.h: Include options.h.
3020         (Archive_member): Moved from Archive.
3021         (Should_include): Moved from archive.cc.
3022         (Lib_group): New.
3023         (Add_lib_group_symbols): New.
3024         * dynobj.cc (do_should_include_member): New.
3025         * dynobj.h (do_should_include_member): New.
3026         * gold.cc (queue_initial_tasks): Update call to queue.
3027         * main.cc (main): Print lib group stats.
3028         * object.cc (do_should_include_member): New.
3029         * object.h: Include archive.h.
3030         (Object::should_include_member): New.
3031         (Object::do_should_include_member): New.
3032         (Sized_relobj::do_should_include_member): New.
3033         * options.cc (General_options::parse_start_lib): New.
3034         (General_options::parse_end_lib): New.
3035         (Input_arguments::add_file): Handle lib groups.
3036         (Input_arguments::start_group): Check we are not in a lib.
3037         (Input_arguments::start_lib): New.
3038         (Input_arguments::end_lib): New.
3039         * options.h (General_options): Add start_lib and end_lib.
3040         (Input_argument::lib_): New.
3041         (Input_argument::lib): New.
3042         (Input_argument::is_lib): New.
3043         (Input_file_lib): New.
3044         (Input_arguments::in_lib_): New.
3045         (Input_arguments::in_lib): New.
3046         (Input_arguments::start_lib): New.
3047         (Input_arguments::end_lib_): New.
3048         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3049         in unused members as preempted.
3050         (Sized_pluginobj::do_should_include_member): New.
3051         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3052         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3053         return the blocker.
3054         (Read_symbols::do_whole_lib_group): New.
3055         (Read_symbols::do_lib_group): New.
3056         (Read_symbols::do_read_symbols): Handle lib groups.
3057         (Read_symbols::get_name): Handle lib groups.
3058         * readsyms.h (Read_symbols): Add an archive member pointer.
3059         (Read_symbols::do_whole_lib_group): New.
3060         (Read_symbols::do_lib_group): New.
3061         (Read_symbols::member_): New.
3062         * script.cc (read_input_script): Update call to queue_soon.
3063
3064 2010-03-19  Doug Kwan  <dougkwan@google.com>
3065
3066         * arm.cc (Stub_table::Stub_table): Initialize new data members
3067         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3068         (Stub_table::add_reloc_stub): Assign stub offset and update
3069         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3070         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3071         New data members.
3072         (Stub_table::update_data_size_and_addralign): Use
3073         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3074         instead of going over all reloc stubs.
3075         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3076         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3077         Stringpool_template::offset_ to size of Stringpool_char.
3078         (Stringpool_template::new_key_offset): Remove code to initialize
3079         Stringpool_template::offset_.
3080         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3081         Stringpool_template::offset_ to zero.
3082
3083 2010-03-15  Doug Kwan  <dougkwan@google.com>
3084
3085         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3086         offset_.
3087         (Stringpool_template::new_key_offset): New method.
3088         (Stringpool_template::add_string): Assign offsets when adding new
3089         strings.
3090         (Stringpool_template::set_string_offsets): Do not set string offsets
3091         when not optimizing.
3092         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3093         member size_.
3094         (Chunked_vector::clear): Clear size_.
3095         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3096         (Chunked_vector::size): Return size_.
3097         (Chunked_vector::push_back): Use size_ to find insert position.
3098         (Chunked_vector::size_): New data member.
3099         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3100         (Stringpool_template::new_key_offset): New method declaration.
3101         (Stringpool_template::offset_): New data member.
3102
3103 2010-03-15   Rafael Espindola  <espindola@google.com>
3104
3105         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3106         Add_symbols' constructor.
3107         * readsyms.h (Add_symbols): Remove the input_group member.
3108
3109 2010-03-10  Ian Lance Taylor  <iant@google.com>
3110
3111         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3112         target to ask whether a reference to a symbol requires a stack
3113         split.
3114         * target.h (Target::is_call_to_non_split): New function.
3115         (Target::do_is_call_to_non_split): Declare virtual function.
3116         * target.cc: Include "symtab.h".
3117         (Target::do_is_call_to_non_split): New function.
3118         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3119
3120 2010-03-10  Cary Coutant  <ccoutant@google.com>
3121
3122         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3123         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3124         (File_read::open[2]): Add whole_file_view_ to list of views.
3125         (File_read::make_view): Remove test of whole_file_view_.
3126         (File_read::find_or_make_view): Create whole_file_view_ if
3127         necessary.
3128         (File_read::clear_views): Replace bool parameter with enum;
3129         adjust all callers.  Don't delete views with permanent data;
3130         do delete cached views and views from archives if
3131         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3132         if clearing the corresponding view.
3133         * fileread.h (File_read::Clear_views_mode): New enum.
3134         (File_read::View::is_permanent_view): New method.
3135         (File_read::clear_views): Replace bool parameter
3136         with enum; adjust all callers.
3137         * options.h (General_options): Change keep_files_mapped option;
3138         add map_whole_files.
3139         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3140         releasing the file.
3141         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3142         the file.
3143
3144 2010-03-10  David S. Miller  <davem@davemloft.net>
3145
3146         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3147
3148 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3149
3150         * icf.cc (get_section_contents): Add '@' marker after processing the
3151         merge reloc.
3152
3153 2010-03-08  Doug Kwan  <dougkwan@google.com>
3154
3155         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3156         due to a conversion warning.
3157         (Arm_relobj::update_output_local_symbol_count): Check for local
3158         symbol with unset output index.
3159
3160 2010-03-05  Ian Lance Taylor  <iant@google.com>
3161
3162         * options.h (class General_options): Add --spare-dynamic-tags.
3163         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3164         --spare-dynamic-tags.
3165
3166 2010-03-05  Ian Lance Taylor  <iant@google.com>
3167
3168         * incremental.cc: Include "libiberty.h".
3169
3170 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3171
3172         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3173         function, is_info_ member.
3174         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3175         (Versions::Versions): Update caller.
3176         (Versions::define_base_version): Likewise.
3177         (Versions::add_def): Likewise.
3178
3179 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3180
3181         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3182         (Scan::possible_function_pointer_reloc): New function.
3183         (Scan::local_reloc_may_be_function_pointer): Change to call
3184         possible_function_pointer_reloc.
3185         (Scan::global_reloc_may_be_function_pointer): Ditto.
3186         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3187         relocations in ".data.rel.ro._ZTV" section.
3188         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3189         * testsuite/icf_safe_so_test.cc: Ditto.
3190         * testsuite/icf_safe_test.cc: Ditto.
3191         * testsuite/icf_safe_test.sh: Ditto.
3192
3193 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3194             Ian Lance Taylor  <iant@google.com>
3195
3196         * target-reloc.h (relocate_section): Check the symbol table index
3197         for -1U before setting the local symbol index.
3198         (scan_relocatable_relocs): If copying the relocation, record that
3199         the local symbol is required.
3200         * object.h (Symbol_value::is_output_symtab_index_set): New
3201         function.
3202         (Symbol_value::may_be_discarded_from_output_symtab): New
3203         function.
3204         (Symbol_value::has_output_symtab_entry): New function.
3205         (Symbol_value::needs_output_symtab_entry): Remove.
3206         (Symbol_value::output_symtab_index): Make sure the symbol index is
3207         set.
3208         (Symbol_value::set_output_symtab_index): Make sure the symbol
3209         index is not set.  Make sure the new index is valid.
3210         (Symbol_value::set_must_have_output_symtab_entry): New function.
3211         (Symbol_value::has_output_dynsym_entry): New function.
3212         (Symbol_value::set_output_dynsym_index): Make sure the new index
3213         is valid.
3214         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3215         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3216         local symbol if permitted.
3217         (Sized_relobj::do_finalize_local_symbols): Call
3218         is_output_symtab_index_set rather than needs_output_symtab_entry.
3219         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3220         rather than needs_output_symtab_entry.  Call
3221         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3222         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3223         is_output_symtab_index_set rather than needs_output_symtab_entry.
3224         * testsuite/discard_locals_relocatable_test.c: New file.
3225         * testsuite/discard_locals_test.sh: Test -r.
3226         * testsuite/Makefile.am (check_DATA): Add
3227         discard_locals_relocatable_test1.syms,
3228         discard_local_relocatable_test2.syms.
3229         (MOSTLYCLEANFILES): Likewise.  Also add
3230         discard_locals_relocatable_test1.lout and
3231         discard_locals_relocatable_test2.out.
3232         (discard_locals_relocatable_test1.syms): New target.
3233         (discard_locals_relocatable_test.o): New target.
3234         (discard_locals_relocatable_test1.out): New target.
3235         (discard_locals_relocatable_test2.syms): New target.
3236         (discard_locals_relocatable_test2.out): New target.
3237         (various): Add missing ../ld-new dependencies.
3238         * testsuite/Makefile.in: Rebuild.
3239
3240 2010-03-03  Nick Clifton  <nickc@redhat.com>
3241
3242         * po/fi.po: New Finnish translation.
3243
3244 2010-03-01  Doug Kwan  <dougkwan@google.com>
3245
3246         * layout.cc (Layout::Layout): Force section types of .init_array*,
3247         .preinit_array* and .fini_array* sections.
3248         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3249         Fix check of return value of std::string::find.().
3250         (Output_section::Input_section_sort_compare::operator()): Remove
3251         comment about .init_array.
3252         (Output_section::Input_section_sort_init_fini_compare::operator()):
3253         New method.
3254         (Output_section::sort_attached_input_sections): Handle .init_array
3255         and .fini_array specially.
3256         * output.h (Output_section::Inut_section_sort_compare): Update
3257         comment.
3258         (Output_section::Input_section_sort_init_fini_compare): New struct.
3259
3260 2010-02-26  Doug Kwan  <dougkwan@google.com>
3261
3262         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3263         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3264         * testsuite/debug_msg.sh: Avoid matching source line number for
3265         use of global variable undef_int.
3266
3267 2010-02-26  Doug Kwan  <dougkwan@google.com>
3268
3269         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3270         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3271         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3272         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3273         * options.cc (General_options::General_options): Initialize member
3274         fix_v4bx_.
3275         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3276         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3277         and rm_no_fix_v4bx.stdout
3278         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3279         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3280         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3281         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3282         and arm_no_fix_v4bx.
3283         * Makefile.in: Regenerate.
3284         * testsuite/arm_fix_v4bx.s: New file.
3285         * testsuite/arm_fix_v4bx.sh: Ditto.
3286
3287 2010-02-24  Doug Kwan  <dougkwan@google.com>
3288
3289         * arm.cc (Target_arm::got_section): Make the .got section the first
3290         non RELRO section in the data segment.
3291         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3292         suffixes of section names.
3293
3294 2010-02-24  Doug Kwan  <dougkwan@google.com>
3295
3296         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3297         flags and attributes merging if an input file is a binary file.
3298         * fileread.cc (Input_file::open): Record format of original file.
3299         * fileread.h (Input_file::Format): New enum type.
3300         (Input_file::Input_file): Initialize data member format_.
3301         (Input_file::format): New method definition.
3302         (Input_file::format_):: New data member.
3303
3304 2010-02-24  Doug Kwan  <dougkwan@google.com>
3305
3306         * arm.cc (Arm_output_data_got): New class.
3307         (ARM_TCB_SIZE): New constant
3308         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
3309         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
3310         If user uses a script with a SECTIONS clause, issue only a warning
3311         for a misplaced EXIDX input section.  Otherwise, issue an error.
3312         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
3313         garbage collection.
3314         (Target_arm::got_mode_index_entry): Handle static linking.
3315         (Target_arm::Scan::local): Ditto.
3316         (Target_arm::Scan::global): Ditto.
3317         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
3318         all incorrectly implemented relocations.
3319         (Target_arm::fix_exidx_coverage): Pass layout to
3320         Arm_output_section::fix_exidx_coverage.
3321         * layout.cc (Layout::section_name_mapping): Remove trailing dots
3322         from ".ARM.exidx." and ".ARM.extab.".
3323
3324 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3325
3326         * arm.cc (Target_arm::do_finalize_sections): Create attribute
3327         section if it does not already exist.
3328         * attributes.cc (Attributes_section_data::Attributes_section_data):
3329         Don't crash if size is zero.
3330
3331 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3332             Ian Lance Taylor  <iant@google.com>
3333
3334         * gold.cc (queue_middle_tasks): If no input files were opened,
3335         exit.
3336         * workqueue.h (Task_function::Task_function): Assert that there is
3337         a blocker.
3338
3339 2010-02-22  Doug Kwan  <dougkwan@google.com>
3340
3341         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
3342         * icf.cc (get_section_contents): Cast snprintf arguments to long long
3343         types to avoid warnings due to different uint64_t implementations
3344         on different hosts.
3345
3346 2010-02-21  Doug Kwan  <dougkwan@google.com>
3347
3348         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
3349         handling of the maximum backward branch offset.
3350         (Arm_relocate_functions::thumb_branch_common): Ditto.
3351         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
3352         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
3353         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
3354         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
3355         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
3356         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
3357         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
3358         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
3359         thumb_bl_out_of_range thumb_bl_out_of_range.o,
3360         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
3361         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
3362         thumb2_bl_out_of_range.o): New rules.
3363         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
3364         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
3365         thumb2_bl_out_of_range
3366         * testsuite/Makefile.in: Regenerate.
3367         * testsuite/arm_bl_in_range.s: New file.
3368         * testsuite/arm_bl_out_of_range.s: Ditto.
3369         * testsuite/arm_branch_in_range.sh: Ditto.
3370         * testsuite/arm_branch_range.t: Ditto.
3371         * testsuite/thumb2_branch_range.t: Ditto.
3372         * testsuite/thumb_bl_in_range.s: Ditto.
3373         * testsuite/thumb_bl_out_of_range.s: Ditto.
3374         * testsuite/thumb_branch_range.t: Ditto.
3375
3376 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
3377
3378         * gc.h (gc_process_relocs): Change vectors to point to the new list.
3379         Add reloc offset information.
3380         * icf.cc (get_section_contents): Change iterators to point to the new
3381         vectors. Add reloc offset information to the contents.
3382         * icf.h (Icf::Sections_reachable_info): New typedef.
3383         (Icf::Sections_reachable_list): New typedef.
3384         (Icf::Offset_info): New typedef.
3385         (Icf::Reloc_info): New struct typedef.
3386         (Icf::Reloc_info_list): New typedef.
3387         (Icf::symbol_reloc_list): Delete method.
3388         (Icf::addend_reloc_list): Delete method.
3389         (Icf::section_reloc_list): Delete method.
3390         (Icf::reloc_info_list): New method.
3391         (Icf::reloc_info_list_): New member.
3392
3393 2010-02-19  Doug Kwan  <dougkwan@google.com>
3394
3395         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
3396         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
3397         * arm.cc (Arm_relocation_functions): New forward declaration.
3398         (Target_arm::Target_arm): Initialize new data members
3399         got_mod_index_offset_ and tls_base_symbol_defined_.
3400         (Target_arm::Relocate::relocate_tls): New method.
3401         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
3402          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
3403         New methods.
3404         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
3405         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
3406         (Target_arm::got_mod_index_offset_,
3407         Target_arm::tls_base_symbol_defined_): New data members.
3408         (Target_arm::Scan::local, Target::Scan::global,
3409         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
3410         relocations.
3411
3412 2010-02-18  Doug Kwan  <dougkwan@google.com>
3413
3414         * arm.cc (Arm_relobj::find_linked_text_section): New method.
3415         (Arm_relobj::make_exidx_input_section): Pass section index of linked
3416         text section as a parameter becuase some broken tools may not set
3417         the link in section header.
3418         (Target_arm::has_got_section): New method.
3419         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
3420         without any mapping symbol as data only.  Remove warning.
3421         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
3422         link in its section header, try to discover the link by inspecting the
3423         REL31 relocation at the beginning of the section.
3424         (Target_arm::Scan::check_non_pic): Report name of offending relocation
3425         in error message.
3426         (Target_arm::Scan::global): Treat any reference to the symbol
3427         _GLOBAL_OFFSET_TABLE_ as a GOT access.
3428
3429 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
3430
3431         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
3432         (Scan::global_reloc_may_be_function_pointer): New function.
3433         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3434         (Scan::global_reloc_may_be_function_pointer): New function.
3435         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3436         (Scan::global_reloc_may_be_function_pointer): New function.
3437         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
3438         (Scan::global_reloc_may_be_function_pointer): New function.
3439         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
3440         (Scan::global_reloc_may_be_function_pointer): New function.
3441         (Scan::possible_function_pointer_reloc): New function.
3442         (Target_x86_64::can_check_for_function_pointers): New function.
3443         * gc.h (gc_process_relocs): Scan relocation types to determine if
3444         function pointers were taken for targets that support it.
3445         * icf.cc (Icf::find_identical_sections): Include functions for
3446         folding in safe ICF whose pointer is not taken.
3447         * icf.h (Secn_fptr_taken_set): New typedef.
3448         (fptr_section_id_): New member.
3449         (section_has_function_pointers): New function.
3450         (set_section_has_function_pointers): New function.
3451         (check_section_for_function_pointers): New function.
3452         * options.h: Fix comment for safe ICF option.
3453         * target.h (can_check_for_function_pointers): New function.
3454         * testsuite/Makefile.am: Add icf_safe_so_test test case.
3455         Modify icf_safe_test for X86-64.
3456         * testsuite/Makefile.in: Regenerate.
3457         * testsuite/icf_safe_so_test.cc: New file.
3458         * testsuite/icf_safe_so_test.sh: New file.
3459         * testsuite/icf_safe_test.cc (kept_func_3): New function.
3460         (main): Change to take pointer to function kept_func_3.
3461         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
3462         folding is done correctly for X86-64.
3463
3464 2010-02-12  David S. Miller  <davem@davemloft.net>
3465
3466         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
3467         is_symbolless parameter.
3468         (Output_reloc<SHT_REL>::is_symbolless): New.
3469         (Output_reloc<SHT_REL>::is_symbolless_): New.
3470         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
3471         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
3472         (Output_reloc<SHT_RELA>::is_symbolless): New.
3473         (Output_data_reloc::add_global): Handle is_symbolless.
3474         (Output_data_reloc::add_global_relative): Likewise.
3475         (Output_data_reloc::add_local): Likewise.
3476         (Output_data_reloc::add_local_relative): Likewise.
3477         (Output_data_reloc::add_symbolless_global_addend): New.
3478         (Output_data_reloc::add_symbolless_local_addend): New.
3479         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
3480         is_symbolless.
3481         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
3482         instead of ->is_relative_
3483         (Output_reloc::write): Likewise.
3484         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
3485         (Output_reloc::write_rel): Simplify.
3486
3487         * sparc.cc (Target_sparc::Scan::local): Use
3488         ->add_symbolless_local_addend as needed.
3489         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
3490         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
3491         based upon relocation offset.
3492
3493 2010-02-11  Doug Kwan  <dougkwan@google.com>
3494
3495         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
3496         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
3497         beginning of function.
3498         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
3499         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
3500         parameter is_32bit in calls to should_apply_static_reloc.
3501         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
3502         (check_DATA): Add arm_abs_global.stdout.
3503         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
3504         arm_abs_global.stdout): New rules.
3505         (MOSTLLYCLEANFILES): Add arm_abs_global
3506         * Makefile.in: Regenerate.
3507         * testsuite/arm_abs_global.s: New file.
3508         * testsuite/arm_abs_global.sh: Ditto.
3509         * testsuite/arm_abs_lib.s: Ditto.
3510
3511 2010-02-11  Ian Lance Taylor  <iant@google.com>
3512
3513         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
3514         Read_relocs task.
3515         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
3516         Allocate_commons_task first.
3517         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
3518         task, rather than symtab_lock_.
3519         (Gc_process_relocs::~Gc_process_relocs): New function.
3520         (Gc_process_relocs::is_runnable): Check this_blocker_.
3521         (Gc_process_relocs::locks): Use next_blocker_ rather than
3522         blocker_.
3523         (Scan_relocs::~Scan_relocs): New function.
3524         (Scan_relocs::is_runnable): Check this_blocker_ rather than
3525         symtab_lock_.
3526         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
3527         next_blocker_.
3528         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
3529         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
3530         constructor accordingly.
3531         (class Gc_process_relocs): Likewise.
3532         (class Scan_relocs): Likewise.
3533         * common.h (class Allocate_commons_task): Remove symtab_lock_
3534         field, and corresponding constructor parameter.
3535         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
3536         symtab_lock_.
3537         (Allocate_commons_task::locks): Likewise.
3538
3539 2010-02-11  Ian Lance Taylor  <iant@google.com>
3540
3541         * gold-threads.h (class Once): Define.
3542         (class Initialize_lock): Rewrite as child of Once.
3543         * gold-threads.cc (class Once_initialize): Define.
3544         (once_pointer_control): New static variable.
3545         (once_pointer, once_arg): New static variables.
3546         (c_run_once): New static function.
3547         (Once::Once, Once::run_once, Once::internal_run): New functions.
3548         (class Initialize_lock_once): Remove.
3549         (initialize_lock_control): Remove.
3550         (initialize_lock_pointer): Remove.
3551         (initialize_lock_once): Remove.
3552         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
3553         (Initialize_lock::initialize): Rewrite.
3554         (Initialize_lock::do_run_once): New function.
3555         * archive.cc (Archive::interpret_header): Only clear name if it is
3556         not already empty.
3557         * fileread.cc: Include "gold-threads.h"
3558         (file_counts_lock): New static variable.
3559         (file_counts_initialize_lock): Likewise.
3560         (File_read::release): Only increment counts when using --stats.
3561         Use a lock around the increment.
3562         * parameters.cc (class Set_parameters_target_once): Define.
3563         (set_parameters_target_once): New static variable.
3564         (Parameters::Parameters): Move here from parameters.h.
3565         (Parameters::set_target): Rewrite.
3566         (Parameters::set_target_once): New function.
3567         (Parameters::clear_target): Move here and rewrite.
3568         * parameters.h (class Parameters): Update declarations.  Add
3569         set_parameters_target_once_ field.
3570         (Parameters::Parameters): Move to parameters.cc.
3571         (Parameters::clear_target): Likewise.
3572         * readsyms.cc (Read_symbols::do_group): Create a Start_group
3573         task.
3574         (Start_group::~Start_group): New function.
3575         (Start_group::is_runnable): New function.
3576         (Start_group::locks, Start_group::run): New functions.
3577         (Finish_group::run): Change saw_undefined to size_t.
3578         * readsyms.h (class Start_group): Define.
3579         (class Finish_group): Change saw_undefined_ field to size_t.
3580         (Finish_group::Finish_group): Remove saw_undefined and
3581         this_blocker parameters.  Change all callers.
3582         (Finish_group::set_saw_undefined): New function.
3583         (Finish_group::set_blocker): New function.
3584         * symtab.h (class Symbol_table): Change saw_undefined to return
3585         size_t.  Change saw_undefined_ field to size_t.
3586         * target-select.cc (Set_target_once::do_run_once): New function.
3587         (Target_selector::Target_selector): Initialize set_target_once_
3588         field.  Don't initialize lock_ and initialize_lock_ fields.
3589         (Target_selector::instantiate_target): Rewrite.
3590         (Target_selector::set_target): New function.
3591         * target-select.h (class Set_target_once): Define.
3592         (class Target_selector): Update declarations.  Make
3593         Set_target_once a friend.  Remove lock_ and initialize_lock_
3594         fields.  Add set_target_once_ field.
3595
3596 2010-02-10  Ian Lance Taylor  <iant@google.com>
3597
3598         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
3599         queueing any tasks.
3600         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
3601         (queue_middle_tasks): Add all blockers before queueing any tasks.
3602         (queue_final_tasks): Likewise.
3603         * token.h (Task_token::add_blockers): New function.
3604         * object.h (Input_objects::number_of_relobjs): New function.
3605
3606 2010-02-10  Ian Lance Taylor  <iant@google.com>
3607
3608         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
3609         shared, not if not position independent.
3610         * x86_64.cc (Relocate::relocate_tls): Likewise.
3611         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
3612         (tls_pie_pic_test): New target.
3613         * testsuite/Makefile.in: Rebuild.
3614
3615         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
3616         (tls_test_main_pie.o, tls_test_pie.o): New targets.
3617         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
3618         * testsuite/Makefile.in: Rebuild.
3619
3620 2010-02-09  David S. Miller  <davem@davemloft.net>
3621
3622         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
3623         R_SPARC_RELATIVE using ->add_local_relative().
3624         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
3625
3626         * output.h (Output_data_dynamic::add_section_size): New method
3627         that takes two Output_data objects.
3628         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
3629         entry param.  Handle it in initializers.
3630         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
3631         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
3632         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
3633         arg.
3634         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
3635         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
3636         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
3637         for dynrel_includes_plt.
3638         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3639         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3640         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
3641         before .rela.plt
3642         (Target_sparc::do_finalize_sections): Update to pass true for
3643         dynrel_includes_plt.
3644         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
3645         output before .rela.plt
3646         (Target_powerpc::do_finalize_sections): Update to pass true for
3647         dynrel_includes_plt when 32-bit.
3648
3649 2010-02-08  Doug Kwan  <dougkwan@google.com>
3650
3651         * arm.cc (Arm_relobj::simple_input_section_output_address): New
3652         method.
3653         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
3654         Arm_relobj::scan_section_for_cortex_a8_stubs,
3655         Arm_relobj::do_relocation_section): Instead of calling
3656         Output_section::output_address, use faster
3657         Arm_relobj::simple_input_section_output_address.
3658
3659 2010-02-08  David S. Miller  <davem@davemloft.net>
3660
3661         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
3662         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
3663         relocation helper function.
3664
3665         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
3666         just like R_SPARC_GOT{10,13,22}.
3667         (Target_sparc::Scan::local): Likewise.
3668         (Target_sparc::Relocate:relocate): Likewise.
3669
3670 2010-02-06  Ian Lance Taylor  <iant@google.com>
3671
3672         * configure.ac: Rewrite targetobjs duplicate removal code to use
3673         only shell constructs.
3674         * configure: Rebuild.
3675
3676 2010-02-05  Doug Kwan  <dougkwan@google.com>
3677
3678         PR 11247
3679         * arm.cc (Arm_relobj::section_is_scannable): New method.
3680         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
3681         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
3682
3683 2010-02-04  Doug Kwan  <dougkwan@google.com>
3684
3685         PR 11247
3686         * arm-reloc-property.cc (cstdio): Include.
3687         * configure.ac (targetobjs): Remove duplicates.
3688         * configure: Regenerate.
3689         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
3690         big and little endian version for a given address size.
3691
3692 2010-02-03  Doug Kwan  <dougkwan@google.com>
3693
3694         * arm-reloc-property.cc
3695         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3696         definition.
3697         * arm-reloc-property.h
3698         (Arm_reloc_property_table::get_implemented_static_reloc_property):
3699         New method definition.
3700         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3701         declaration.
3702         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
3703         overflow to N.
3704         (GOT_PREL): Change implemented to Y.
3705         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3706         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3707         (Arm_relocate_functions::movw_abs_nc): Remove method.
3708         (Arm_relocate_functions::movt_abs): Ditto.
3709         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3710         (Arm_relocate_functions::thm_movt_abs): Ditto.
3711         (Arm_relocate_functions::movw_rel_nc): Ditto.
3712         (Arm_relocate_functions::movw_rel): Ditto.
3713         (Arm_relocate_functions::movt_rel): Ditto.
3714         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3715         (Arm_relocate_functions:thm_movw_rel): Ditto.
3716         (Arm_relocate_functions:thm_movt_rel): Ditto.
3717         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3718         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3719         New method definitions.
3720         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3721         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3722         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3723         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3724         (Target_arm::Relocate::relocate): Check for non-static or
3725         unimplemented relocation code and exit early.  Change calls to
3726         Target_arm::reloc_uses_thumb_bit and
3727         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3728         instead.  Refactor code to handle similar relocations to increase
3729         code sharing.  Remove check for unsupported relocation code in switch
3730         statement.
3731         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3732         relocation property table to find out size.  Change error message to
3733         print out the name of a relocation code instead of the numeric value.
3734         (Target_arm::scan_reloc_for_stub): Use relocation property table
3735         instead of calling Target_arm::reloc_uses_thumb_bit().
3736
3737 2010-02-02  Doug Kwan  <dougkwan@google.com>
3738
3739         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3740         types of relaxed input section.
3741
3742 2010-02-02  Doug Kwan  <dougkwan@google.com>
3743
3744         * Makefile.am (HFILES): Add arm-reloc-property.h.
3745         (DEFFILES): New.
3746         (TARGETSOURCES): Add arm-reloc-property.cc
3747         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3748         (libgold_a_SOURCES): $(DEFFILES)
3749         * Makefile.in: Regenerate.
3750         * arm-reloc-property.cc: New file.
3751         * arm-reloc-property.h: New file.
3752         * arm-reloc.def: New file.
3753         * arm.cc: Update comments.
3754         (arm-reloc-property.h): New included header.
3755         (arm_reloc_property_table): New global variable.
3756         (Target_arm::do_select_as_default_target): New method definition.
3757         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3758         arm-reloc-property to targ_extra_obj.
3759         * parameters.cc (set_parameters_target): Call
3760         Target::select_as_default_target().
3761         * target.h (Target::select_as_default_target): New method definition.
3762         (Target::do_select_as_default_target): Same.
3763
3764 2010-02-01  Doug Kwan  <dougkwan@google.com>
3765
3766         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3767         first_output_text_section_.
3768         (Arm_exidx_fixup::first_output_text_section): New method definition.
3769         (Arm_exidx_fixup::first_output_text_section_): New data member.
3770         (Arm_exidx_fixup::process_exidx_section): Record the first text
3771         output section seen.
3772         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3773         and entsize in output section header.
3774
3775 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3776
3777         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3778         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3779         (Arm_relocate_functions::thm_alu11): New Method.
3780         (Arm_relocate_functions::thm_pc8): New Method.
3781         (Arm_relocate_functions::thm_pc12): New Method.
3782         (Target_arm::Scan::local): Handle the relocations.
3783         (Target_arm::Scan::global): Likewise.
3784         (Target_arm::Relocate::relocate): Likewise.
3785         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3786
3787 2010-01-29  Doug Kwan  <dougkwan@google.com>
3788
3789         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3790         of relocation types as ld.
3791
3792 2010-01-29  Doug Kwan  <dougkwan@google.com>
3793
3794         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3795         to public.
3796         (Arm_relocate_functions::thumb_branch_common): Ditto.
3797         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3798         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3799         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3800         Arm_relocate_functions::jump24): Remove.
3801         (Target_arm::Relocate::relocate): Adjust code to call
3802         Arm_relocation_functions::arm_branch_common and
3803         Arm_relocation_functions::thumb_branch_common instead of their removed
3804         wrappers.  Merge switch-cases together to reduce source code size.
3805
3806 2010-01-29  Doug Kwan  <dougkwan@google.com>
3807
3808         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3809         output_local_symbol_count_needs_update_.
3810         (Arm_relobj::output_local_symbol_count_needs_update,
3811          Arm_relobj::set_output_local_symbol_count_needs_update,
3812          Arm_relobj::update_output_local_symbol_count): New methods.
3813         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3814         member.
3815         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3816         of pointed function as in a R_ARM_PREL31 relocation.
3817         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3818         for output local symbol count updating.
3819         (Target_arm::do_relax): Update output local symbol counts in objects
3820         if necessary.
3821         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3822
3823 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3824
3825         * arm.cc: Added support for the ARM relocations:
3826         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3827         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3828         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3829         movw_prel_nc).
3830         (Arm_relocate_functions::movw_rel): New method.
3831         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3832         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3833         thm_movw_prel_nc).
3834         (Arm_relocate_functions::thm_movw_rel): New method.
3835         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3836         thm_movt_prel).
3837         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3838         relocations.
3839         (Target_arm::Scan::global): Likewise.
3840         (Target_arm::Relocate::relocate): Likewise.
3841         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3842         Likewise.
3843
3844 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3845
3846         * arm.cc: Added support for ARM group relocations.
3847         (Target_arm::reloc_needs_sym_origin): New method.
3848         (Arm_relocate_functions::calc_grp_kn): New method.
3849         (Arm_relocate_functions::calc_grp_residual): New method.
3850         (Arm_relocate_functions::calc_grp_gn): New method.
3851         (Arm_relocate_functions::arm_grp_alu): New Method.
3852         (Arm_relocate_functions::arm_grp_ldr): New Method.
3853         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3854         (Arm_relocate_functions::arm_grp_ldc): New Method.
3855         (Target_arm::Scan::local): Handle the ARM group relocations.
3856         (Target_arm::Scan::global): Likewise.
3857         (Target_arm::Relocate::relocate): Likewise.
3858         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3859         Likewise.
3860
3861 2010-01-26  Doug Kwan  <dougkwan@google.com>
3862
3863         * arm.cc (set): Include.
3864         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3865         pointer type.
3866         (Arm_output_section::Text_section_list): New type.
3867         (Arm_output_section::append_text_sections_to_list): New method.
3868         (Arm_output_section::fix_exidx_coverage): Ditto.
3869         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3870         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3871         Relobj::set_section_offset() instead of
3872         Sized_relobj::invalidate_section_offset().
3873         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3874         parameter for section headers. Ignore relocation sections for
3875         unallocated sections and EXIDX sections.
3876         (Target_arm::fix_exidx_coverage): New method.
3877         (Target_arm::output_section_address_less_than): New type.
3878         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3879         linked text section instead of the EXIDX section.
3880         (Arm_output_section::create_stub_group): Add an assertion to check
3881         that this is not an EXIDX output section.
3882         (Arm_output_section::append_text_sections_to_list): New method.
3883         (Arm_output_section::fix_exidx_coverage): Ditto.
3884         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3885         Arm_relobj::section_needs_reloc_stub_scanning.
3886         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3887         first pass.
3888         (Target_arm::fix_exidx_coverage): New method.
3889         * object.h (Relobj::set_output_section): New method.
3890         (Sized_relobj::invalidate_section_offset): Remove method.
3891         (Sized_relobj::do_invalidate_section_offset): Remove method.
3892         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3893
3894 2010-01-25  Doug Kwan  <dougkwan@google.com>
3895
3896         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3897         Fix warning due to signed and unsigned comparison on a 32-bit host.
3898
3899 2010-01-22  Doug Kwan  <dougkwan@google.com>
3900
3901         * arm.cc (Target_arm::do_relax): Record an output section for section
3902         offset adjustment it contains any stub table that has changed.
3903         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3904         offsets in an output section if necessary.
3905         * output.cc (Output_section::Output_section): Initialize
3906         section_offsets_need_adjustments_.
3907         (Output_section::add_input_section_for_script): Renamed to
3908         Output_section::add_simple_input_section.
3909         (Output_section::save_states): Add a comment.
3910         (Output_section::discard_states): New method defintion.
3911         (Output_section::adjust_section_offsets): Same.
3912         * output.h (Output_section::add_input_section_for_script): Renamed to
3913         Output_section::add_simple_input_section.
3914         (Output_section::discard_states): New method declaration.
3915         (Output_section::adjust_section_offsets): Same.
3916         (Output_section::section_offsets_need_adjustment,
3917         Output_section::set_section_offsets_need_adjustment): New method
3918         definitions.
3919         (Output_section::section_offsets_need_adjustment_): New data member.
3920         * script-sections.cc
3921         (Output_section_element_input::set_section_address): Adjust code for
3922         renaming of Output_section::add_input_section_for_script.
3923         (Orphan_output_section::set_section_address): Same.
3924
3925 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3926
3927         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3928         Fix_v4bx enum values .
3929         * gold/options.h (General_options): New option definitions.
3930         (General_options::fix_v4bx): New method.
3931         (General_options::Fix_v4bx): New enum.
3932         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3933         (General_options::parse_fix_v4bx_interworking): New method.
3934
3935 2010-01-22  Doug Kwan  <dougkwan@google.com>
3936
3937         * arm.cc (Arm_exidx_fixup): New class.
3938
3939 2010-01-21  Doug Kwan  <dougkwan@google.com>
3940
3941         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3942         classes.
3943         (Arm_exidx_section_offset_map): New type.
3944
3945 2010-01-21  Doug Kwan  <dougkwan@google.com>
3946
3947         * arm.cc (Arm_exidx_input_section): New class.
3948         (Arm_relobj::exidx_input_section_by_link,
3949         Arm_relobj::exidx_input_section_by_shndx,
3950         Arm_relobj::make_exidx_input_section): New methods.
3951         (read_arm_attributes_section): Remove.
3952         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3953         information about them.
3954         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3955         to here.
3956
3957 2010-01-20  Doug Kwan  <dougkwan@google.com>
3958
3959         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3960         Input_section_specifier to Section_id.
3961         (Target_arm::new_arm_input_section: Adjust code for change of key
3962         type.
3963         (Target_arm::find_arm_input_section): Ditto.
3964         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3965         (Section_id): Remove.
3966         (Garbage_collection::Section_id_hash): Remove.
3967         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3968         (Section_id): Remove.
3969         (Icf::Section_id_hash): Remove.
3970         * object.h (Section_id, Const_section_id, Section_id_hash,
3971         Const_section_id_hash): New type definitions.
3972         * output.cc (Output_section::add_relaxed_input_section): Change to
3973         use Const_section_id instead of Input_section_specifier as key type.
3974         (Output_section::add_merge_input_section): Ditto.
3975         (Output_section::build_relaxation_map): Change to use Section_id
3976         instead of Input_section_specifier as key type.
3977         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3978         Ditto.
3979         (Output_section::convert_input_sections_to_relaxed_sections): Change
3980         to use Const_section_id instead of Input_section_specifier as key type.
3981         (Output_section::find_merge_section): Ditto.
3982         (Output_section::find_relaxed_input_section): Ditto.
3983         * output.h (Input_section_specifier): Remove class.
3984         (Output_section::Output_section_data_by_input_section_map): Change
3985         key type to Const_section_id.
3986         (Output_section::Output_relaxed_input_section_by_input_section_map):
3987         Ditto.
3988         (Output_section::Relaxation_map): Change key type to Section_id.
3989
3990 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3991
3992         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3993         (class Arm_v4bx_stub): New class.
3994         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3995         (Stub_factory::make_arm_v4bx_stub): New method.
3996         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3997         (Stub_table::empty): Handle v4bx stubs.
3998         (Stub_table::add_arm_v4bx_stub): New method.
3999         (Stub_table::find_arm_v4bx_stub): New method.
4000         (Arm_relocate_functions::v4bx): New method.
4001         (Target_arm::fix_v4bx): New method.
4002         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4003         (Stub_table::relocate_stubs): Likewise.
4004         (Stub_table::do_write): Likewise.
4005         (Stub_table::update_data_size_and_addralign): Likewise.
4006         (Stub_table::finalize_stubs):  Likewise.
4007         (Target_arm::Scan::local): Likewise.
4008         (Target_arm::Scan::global): Likewise.
4009         (Target_arm::do_finalize_sections): Likewise.
4010         (Target_arm::Relocate::relocate): Likewise.
4011         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4012         Likewise.
4013         (Target_arm::scan_reloc_for_stub): Likewise.
4014         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4015
4016 2010-01-19  Ian Lance Taylor  <iant@google.com>
4017
4018         * output.cc (Output_section_headers::do_sized_write): Write large
4019         segment count to sh_info field.
4020         (Output_file_header::do_sized_write): For large segment count,
4021         write PN_XNUM to e_phnum field.
4022
4023 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4024
4025         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4026         (Arm_relocate_functions::thm_jump8): New function.
4027         (Arm_relocate_functions::thm_jump11): New function.
4028         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4029         R_ARM_THM_JUMP11.
4030         (Target_arm::Scan::global): Likewise.
4031         (Target_arm::Relocate::relocate): Likewise.
4032         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4033         Likewise.
4034
4035 2010-01-14  Doug Kwan  <dougkwan@google.com>
4036
4037         * arm.cc (map, utility): Include headers.
4038         (Target_arm::apply_cortex_a8_workaround): New method.
4039         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4040         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4041         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4042         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4043         the --[no-]fix-cortex-a8 command line options.
4044         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4045         (Target_arm::relocate_stub): Use addend in instruction template.
4046         * options.h (DEFINE_bool): Set the user-set flag.
4047         (General_options): Add --[no-]-fix-cortex options.
4048         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4049         : Update fast look-up map after conversion.
4050
4051 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4052
4053         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4054         in the first pass of do_layout.
4055
4056 2010-01-13  Doug Kwan  <dougkwan@google.com>
4057
4058         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4059         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4060         apparent compiler problem of not folding static constant integral
4061         data members of elfcpp::Elf_sizes<32>.
4062
4063 2010-01-13  Doug Kwan  <dougkwan@google.com>
4064
4065         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4066         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4067         Arm_relobj::scan_section_for_cortex_a8_erratum,
4068         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4069         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4070         sections to scan for relocation stubs into a new method
4071         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4072         relocation and Cortex-A8 stub scanning.
4073         (Target_arm::do_relax): Force stubs to be after stubbed sections
4074         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4075         the beginning of a new relaxation pass.  Update a comment.
4076         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4077
4078 2010-01-12  Ian Lance Taylor  <iant@google.com>
4079
4080         * target-reloc.h (visibility_error): New inline function.
4081         (relocate_section): Call visibility_error.
4082         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4083         (MOSTLYCLEANFILES): Likewise.
4084         (protected_4_pic.o, protected_3.err): New targets.
4085         * testsuite/protected_4.cc: New file.
4086
4087 2010-01-12  Doug Kwan  <dougkwan@google.com>
4088
4089         * arm.cc (Cortex_a8_reloc): New class.
4090         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4091         and cortex_a8_relocs_info_.
4092         (Target_arm::fix_cortex_a8): New method definition.
4093         (Target_arm::Cortex_a8_relocs_info): New type.
4094         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4095         New data member declarations.
4096         (Target_arm::scan_reloc_for_stub): Record information about
4097         relocations for THUMB branches that might be exempted from the
4098         Cortex-A8 workaround.
4099         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4100         at the beginning of a relaxation pass.
4101
4102 2010-01-12  Doug Kwan  <dougkwan@google.com>
4103
4104         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4105         (Arm_relobj::Mapping_symbol_position,
4106          Arm_reloj::Mapping_symbol_position_less,
4107          Arm_relobj::Mapping_symbols_info): New types.
4108         (Target_arm::is_mapping_symbol_name): New method definition.
4109         (Arm_relobj::do_count_local_symbols): Save information about mapping
4110         symbols.
4111
4112 2010-01-11  Doug Kwan  <dougkwan@google.com>
4113
4114         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4115         Arm_relocate_functions::thumb32_branch_upper,
4116         Arm_relocate_functions::thumb32_branch_lower,
4117         Arm_relocate_functions::thumb32_cond_branch_offset,
4118         Arm_relocate_functions::thumb32_cond_branch_upper,
4119         Arm_relocate_functions::thumb32_cond_branch_lower,
4120         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4121         branch offset encoding.
4122         (Arm_relocate_functions::thumb_branch_common): Use new branch
4123         offset encoding methods to avoid code duplication.
4124         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4125         (Stub_addend_reader::operator()): Use new branch encoding method
4126         to avoid code duplication.
4127
4128 2010-01-11  Doug Kwan  <dougkwan@google.com>
4129
4130         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4131         (Target_arm::do_finalize_sections): Define special EXIDX section
4132         symbols only if referenced.
4133         * gc.h (Garbage_collection::add_reference): New method.
4134         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4135         code duplication.
4136
4137 2010-01-11  Ian Lance Taylor  <iant@google.com>
4138
4139         * script.cc (Version_script_info::build_expression_list_lookup):
4140         Change complaing about duplicate wildcard match from error to
4141         warning.
4142
4143         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4144         of 2009-12-30.
4145         (Version_script_info::Version_script_info): Initialize globs_,
4146         default_version_, default_is_global_, and exact_.  Don't
4147         initialize globals_ or locals_.
4148         (Version_script_info::build_lookup_tables): Build local symbols
4149         first.
4150         (Version_script_info::unquote): New function.
4151         (Version_script_info::add_exact_match): New function.
4152         (Version_script_info::build_expression_list_lookup): Remove lookup
4153         parameter.  Add is_global parameter.  Change all callers.  Handle
4154         wildcard pattern specially.  Unquote pattern.  Call
4155         add_exact_match.
4156         (Version_script_info::get_name_to_match): New function.
4157         (Version_script_info::get_symbol_version): New function.
4158         (Version_script_info::get_symbol_version_helper): Remove.
4159         (Version_script_info::check_unmatched_names): Call unquote.
4160         * script.h (class Version_script_info): Change get_symbol_version
4161         to be non-inline and add is_global parameter; change all callers.
4162         Rewrite symbol_is_local.  Update declarations.  Define struct
4163         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4164         Remove globals_ and locals_ members.  Add exact_, globs_,
4165         default_version_, is_global_.
4166         (Version_script_info::Glob): Remove pattern, add expression and
4167         is_global.  Update constructor.  Change all callers.
4168         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4169         default version.
4170         (Versions::symbol_section_contents): If a symbol is undefined, or
4171         defined in a dynamic object, set the version index to
4172         VER_NDX_LOCAL.
4173         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4174         symbol_is_local.
4175         (Symbol_table::add_from_pluginobj): Likewise.
4176         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4177
4178 2010-01-11  Doug Kwan  <dougkwan@google.com>
4179
4180         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4181         (incremental_dump_LDADD): Add linking option for libintl.
4182         * Makefile.in: Regenerate.
4183
4184 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4185
4186         PR gold/11144
4187         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4188         instead of -Ds.
4189         * testsuite/Makefile.in: Regenerated.
4190
4191 2010-01-10  Doug Kwan  <dougkwan@google.com>
4192
4193         * options.h (DEFINE_var): Use parentheses around argument varname__
4194         in macro body to avoid any unintended subsequent substitutions.
4195
4196 2010-01-10  Ian Lance Taylor  <iant@google.com>
4197
4198         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4199         candidates before doing symbol resolution.
4200
4201         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4202         ODR candidates if only one is weak.
4203
4204 2010-01-08  Ian Lance Taylor  <iant@google.com>
4205
4206         * script.cc (Version_script_info::build_expression_list_lookup):
4207         Don't warn about ambiguous version, just record the ambiguity.
4208         (Version_script_info::get_symbol_version_helper): Give error if
4209         version is ambiguous.
4210
4211 2010-01-08  Doug Kwan  <dougkwan@google.com>
4212
4213         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4214           prev_data_size_ and prev_addralign_.  Remove initializer for
4215           deleted data member has_been_changed_.
4216           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4217           to determine if the table is empty.
4218           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4219           Remove.
4220           (Stub_table::add_reloc_stub): Define method in class definition
4221           instead of just declaring it there.
4222           (Stub_table::add_cortex_a8_stub): New method definition.
4223           (Stub_table::update_data_size_and_addralign): Ditto.
4224           (Stub_table::finalize_stubs): Ditto.
4225           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4226           (Stub_table::do_addralign_): Return address alignment in the
4227           (Stub_table::do_reset_address_and_file_offset): Define method in
4228           class definition instead of declaring it there.  Set current data
4229           size to be the data size of the previous pass.
4230           (Stub_table::set_final_data_size): Use current data size as the
4231           final data size.
4232           (Stub_table::relocate_stub): Change parameter type of stub from
4233           Reloc_stub pointer to Stub pointer.
4234           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4235           (Stub_table::Cortex_a8_stub_list): New typedef.
4236           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4237            Stub_table::prev_addralign_): New data member.
4238           (Arm_relobj::Arm_relobj): Initialize data member
4239           section_has_cortex_a8_workaround_.
4240           (Arm_relobj::section_has_cortex_a8_workaround,
4241            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4242            definitions.
4243           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4244           declarations.
4245           (Target_arm::relocate_stub): Change parameter type of stub from
4246           Reloc_stub pointer to Stub pointer.
4247           (Insn_template::size, Insn_template::alignment): Handle
4248           THUMB16_SPECIAL_TYPE.
4249           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4250            Stub_table::update_data_size_and_addralign,
4251            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4252           definitions.
4253           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4254           (Stub_table::do_write): Ditto.
4255           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4256
4257 2010-01-08  Ian Lance Taylor  <iant@google.com>
4258
4259         PR 11108
4260         * symtab.h (class Symbol): Remove fields is_target_special_ and
4261         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4262         (Symbol::is_defined_in_discarded_section): New function.
4263         (Symbol::set_is_defined_in_discarded_section): New function.
4264         (Symbol::has_plt_offset): Rewrite.
4265         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4266         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4267         Don't initialize is_target_special_ or has_plt_offset_.
4268         Initialize is_defined_in_discarded_section_.
4269         (Symbol_table::add_from_relobj): If appropriate, set
4270         is_defined_in_discarded_section.
4271         * resolve.cc (Symbol::override_base_with_special): Don't test
4272         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4273         * target-reloc.h (relocate_section): Do special handling for
4274         symbols defined in discarded sections for global symbols as well
4275         as local symbols.
4276
4277 2010-01-08  Ian Lance Taylor  <iant@google.com>
4278
4279         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4280         the SHT_SYMTAB case.
4281
4282 2010-01-08  Ian Lance Taylor  <iant@google.com>
4283
4284         * object.cc (Sized_relobj::do_layout): Don't get confused if
4285         layout_eh_frame returns NULL.
4286
4287 2010-01-08  Ian Lance Taylor  <iant@google.com>
4288
4289         PR 11084
4290         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4291         dynamic symbol table, use the normal symbol table.
4292         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4293         symbol table.
4294
4295 2010-01-08  Ian Lance Taylor  <iant@google.com>
4296
4297         PR 11072
4298         * layout.cc (Layout::include_section): Remove .gnu_debuglink
4299         sections.
4300
4301 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4302
4303         * version.cc (print_version): Change to "Copyright 2010".
4304
4305 2010-01-08  Ian Lance Taylor  <iant@google.com>
4306
4307         PR 10287
4308         PR 11063
4309         * i386.cc (class Target_i386): Change return type of plt_section
4310         to be non-const.
4311         (class Output_data_plt_i386): Add tls_desc_rel_ field.
4312         (Output_data_plt_i386::Output_data_plt_i386): Initialize
4313         tls_desc_rel_ field.
4314         (Output_data_plt_i386::rel_tls_desc): New function.
4315         (Target_i386::rel_tls_desc_section): New function.
4316         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
4317         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
4318         R_386_TLS_DESC reloc in rel_tls_desc_section.
4319         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
4320         Define struct Tlsdesc_info.
4321         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
4322         (Target_x86_64::do_reloc_symbol_index): New function.
4323         (Target_x86_64::add_tlsdesc_info): New function.
4324         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
4325         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
4326         tlsdesc_rel_ field.
4327         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
4328         all callers.
4329         (Output_data_plt_x86_64::rela_tlsdesc): New function.
4330         (Target_x86_64::rela_tlsdesc_section): New function.
4331         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
4332         handling.
4333         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
4334         (Target_x86_64::do_reloc_addend): New function.
4335         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
4336         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
4337         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
4338         (Output_reloc::type): New function.
4339         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
4340         (Output_reloc::is_target_specific): New function.
4341         (Output_reloc::target_arg): New function.
4342         (class Output_reloc) [SHT_RELA]: Add four new constructors for
4343         absolute relocs and target specific relocs.
4344         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
4345         add_target_specific.
4346         (class Output_data_reloc) [SHT_RELA]: Likewise.
4347         * output.cc (Output_reloc::Output_reloc): Add four new versions
4348         for absolute relocs and target specific relocs.
4349         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
4350         (Output_reloc::get_symbol_index): Likewise.
4351         (Output_reloc::local_section_offset): Check that local_sym_index_
4352         is not TARGET_CODE or 0.
4353         (Output_reloc::symbol_value): Likewise.
4354         (Output_reloc::write) [SHT_RELA]: Call target for target specific
4355         reloc.
4356         * target.h (class Target): Add reloc_symbol_index and reloc_addend
4357         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
4358         functions.
4359         * layout.cc (add_target_dynamic_tags): Use output section for
4360         DT_PLTRELSZ and DT_JMPREL.
4361
4362 2010-01-07  Ian Lance Taylor  <iant@google.com>
4363
4364         PR 11061
4365         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
4366         function.
4367         (class Output_data_reloc_generic): Define.
4368         (class Output_data_reloc_base): Change base class to
4369         Output_data_reloc_generic.  Change add() method to call
4370         bump_relative_reloc_count for a relative reloc.  Remove
4371         sort_relocs_ field.
4372         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
4373         to sort_relocs().
4374         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
4375         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
4376         appropriate.
4377         * layout.h (class Layout): Update declaration.
4378
4379 2010-01-07  Ian Lance Taylor  <iant@google.com>
4380
4381         * output.h (class Output_data): Add const version of
4382         output_section and do_output_section.
4383         (class Output_section_data): Add const version of
4384         do_output_section.
4385         (class Output_section): Likewise.
4386         * layout.cc (Layout::add_target_dynamic_tags): New function.
4387         * layout.h (class Layout): Update declarations.
4388         * arm.cc (Target_arm::do_finalize_sections): Use
4389         add_target_dynamic_tags.
4390         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4391         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4392         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4393         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4394
4395 2010-01-07  Ian Lance Taylor  <iant@google.com>
4396
4397         PR 11042
4398         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
4399         object as needed.
4400
4401 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
4402             Ian Lance Taylor  <iant@google.com>
4403
4404         PR 11019
4405         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
4406         Xindex::read_symtab_xindex.
4407
4408 2010-01-07  Doug Kwan  <dougkwan@google.com>
4409
4410         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
4411         (Insn_template::thumb16_bcond_insn): New method declaration.
4412         (Insn_template): Fix spelling.
4413         (Stub::thumb16_special): New method declaration.
4414         (Stub::do_write): Define virtual method which was previously pure
4415         virtual.
4416         (Stub::do_thumb16_special): New method declaration.
4417         (Stub::do_fixed_endian_write): New template member.
4418         (Reloc_stub::do_write): Remove.
4419         (Reloc_stub::do_fixed_endian_write): Remove.
4420         (Cortex_a8_stub): New class definition.
4421         (Stub_factory::make_cortex_a8_stub): New method definition.
4422         (Stub_factory::Stub_factory): Add missing static storage class
4423         qualifier for elf32_arm_stub_a8_veneer_blx.
4424
4425 2010-01-07  Ian Lance Taylor  <iant@google.com>
4426
4427         PR 10980
4428         * options.h (class General_options): Add --warn-unresolved-symbols
4429         and --error-unresolved-symbols.
4430         * errors.cc (Errors::undefined_symbol): Implement
4431         --warn-unresolved-symbols.
4432
4433         * options.h (class General_options): Add -z text and -z textoff.
4434         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
4435
4436 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
4437
4438         * gc.h (Garbage_collection::Cident_section_map): New typedef.
4439         (Garbage_collection::cident_sections): New function.
4440         (Garbage_collection::add_cident_section): New function.
4441         (Garbage_collection::cident_sections_): New member.
4442         (gc_process_relocs): Add references to sections whose names are C
4443         identifiers.
4444         * gold.h (cident_section_start_prefix): New constant.
4445         (cident_section_stop_prefix): New constant.
4446         (is_cident): New function.
4447         * layout.cc (Layout::define_section_symbols): Replace string constants
4448         with the newly defined constants.
4449         * object.cc (Sized_relobj::do_layout): Track sections whose names are
4450         C identifiers.
4451         * testsuite/Makefile.am: Add gc_orphan_section_test.
4452         * testsuite/Makefile.in: Regenerate.
4453         * testsuite/gc_orphan_section_test.cc: New file.
4454         * testsuite/gc_orphan_section_test.sh: New file.
4455
4456 2010-01-06  Ian Lance Taylor  <iant@google.com>
4457
4458         PR 10980
4459         * options.h (class General_options): Add --warn-shared-textrel.
4460         * layout.cc (Layout::finish_dynamic_section): Implement
4461         --warn-shared-textrel.
4462
4463         PR 10980
4464         * options.h (class General_options): Add --warn-multiple-gp.
4465
4466 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4467
4468         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
4469         $(THREADSLIB) and $(LIBDL).
4470         * Makefile.in: Rebuild.
4471
4472 2010-01-06  Ian Lance Taylor  <iant@google.com>
4473
4474         PR 10980
4475         * options.cc (General_options::parse_section_start): New function.
4476         (General_options::section_start): New function.
4477         (General_options::General_options): Initialize all members.
4478         * options.h: Include <map>
4479         (class General_options): Add --section-start.  Add section_starts_
4480         member.
4481         * layout.cc (Layout::attach_allocated_section_to_segment): If
4482         --section-start was used, set the address of the segment.  Remove
4483         local sort_sections.
4484         (Layout::relaxation_loop_body): If the address of the load segment
4485         has been set by --section-start, don't use it.
4486         * output.h (Output_segment::update_flags_for_output_section): New
4487         function.
4488         * output.cc (Output_segment::add_output_section): Call
4489         update_flags_for_output_section.
4490
4491 2010-01-05  Ian Lance Taylor  <iant@google.com>
4492
4493         PR 10980
4494         * options.h (class General_options): Add --undefined-version.
4495         * script.cc (struct Version_expression): Add was_matched_by_symbol
4496         field.
4497         (Version_script_info::matched_symbol): New function.
4498         (Version_script_info::get_symbol_version_helper): Call
4499         matched_symbol.
4500         (Version_script_info::check_unmatched_names): New function.
4501         * script.h (class Version_script_info): Update declarations.
4502         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
4503
4504         * options.h (class General_options): Use DEFINE_bool_alias for
4505         allow_multiple_definition.
4506         * resolve.cc (Symbol_table::should_override): Don't test
4507         allow_multiple_definition.
4508
4509         PR 10980
4510         * options.h (class General_options): Add --cref.
4511         * main.cc (main): Print cref table if --cref.  Don't close mapfile
4512         until after printing cref table.
4513         * cref.cc: Include "symtab.h".
4514         (class Cref_inputs): Define Cref_table_compare and Cref_table.
4515         (Cref_table_compare::operator()): New function.
4516         (Cref_inputs::gather_cref): New function.
4517         (filecol): New static const.
4518         (Cref_inputs::print_cref): New function.
4519         (Cref::print_cref): New function.
4520         * cref.h: Include <cstdio>.
4521         (class Cref): Update declarations.
4522         * mapfile.h (Mapfile::file): New function.
4523         * object.h (class Object): Define Symbols.  Declare virtual
4524         do_get_global_symbols.
4525         (Object::get_global_symbols): New function.
4526         * object.cc (Input_objects::add_object): Pass object to cref_ if
4527         --cref.
4528         (Input_objects::archive_start): Likewise.
4529         (Input_objects::archive_stop): Likewise.
4530         (Input_objects::print_cref): New function.
4531         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
4532         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
4533         --cref.
4534         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
4535         function.
4536         * plugin.h (class Sized_pluginobj): Update declarations.
4537
4538 2010-01-05  Ian Lance Taylor  <iant@google.com>
4539
4540         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
4541         to is_default_version.  Rename insdef to insdefault.
4542         (Symbol_table::add_from_relobj): Rename def to is_default_version
4543         and local to is_forced_local.
4544         (Symbol_table::add_from_pluginobj): Likewise.
4545         (Symbol_table::add_from_dynobj): Likewise.
4546         (Symbol_table::define_special_symbol): Rename insdef to
4547         insdefault.
4548
4549 2010-01-04  Ian Lance Taylor  <iant@google.com>
4550
4551         PR 10980
4552         * options.h (class General_options): Add
4553         --allow-multiple-definition and -z muldefs.
4554         * resolve.cc (Symbol_table::should_override): Don't warn about a
4555         multiple symbol definition if --allow-multiple-definition or -z
4556         muldefs.
4557
4558         PR 10980
4559         * options.h (class General_options): Add --add-needed and
4560         --copy-dt-needed-entries.  Tweak --as-needed help entry.
4561         * object.cc (Input_objects::check_dynamic_dependencies): Give an
4562         error if --copy-dt-needed-entries aka --add-needed is used and
4563         would cause a change in behaviour.
4564
4565         PR 10980
4566         * options.h (class General_options): Add -G as a short version of
4567         --shared.  Add no-op options -assert, -g, and -i.
4568
4569 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
4570
4571         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
4572         check for .text or .gnu.linkonce.t sections.
4573         * icf.cc (Icf::find_identical_sections): Ditto.
4574         Change the detection for mangled function name within the section
4575         name.
4576         * icf.h (is_section_foldable_candidate): New function.
4577
4578 2009-12-30  Ian Lance Taylor  <iant@google.com>
4579
4580         PR 10980
4581         * options.h (class General_options): Permit two dashes with
4582         --retain-symbols-file.
4583
4584 2009-12-30  Ian Lance Taylor  <iant@google.com>
4585
4586         PR 10979
4587         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
4588         don't put the file header and segment headers in the text
4589         segment.
4590
4591         PR 10979
4592         * common.cc (Sort_commons::operator()): Stabilize sort when both
4593         entries are NULL.
4594         (Symbol_table::do_allocate_commons_list): When allocating common
4595         symbols, skip a symbol which is no longer common.
4596         * symtab.h (Symbol::is_common): Test whether the symbol comes from
4597         an object before checking its type.
4598         * testsuite/common_test_2.c: New file.
4599         * testsuite/common_test_3.c: New file.
4600         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
4601         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
4602         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
4603         (common_test_2_pic.o, common_test_2.so): New targets.
4604         (common_test_3_pic.o, common_test_3.so): New targets.
4605         * testsuite/Makefile.in: Rebuild.
4606
4607         PR 10979
4608         * script.cc (read_input_script): If we see a new SECTIONS clause,
4609         and we have added an input section, give an error.
4610         * layout.h (class Layout): Add have_added_input_section function.
4611         Add have_added_input_section_ field.
4612         * layout.cc (Layout::Layout): Initialize
4613         have_added_input_section_.
4614         (Layout::layout): Set have_added_input_section_.
4615         (Layout::layout_eh_frame): Likewise.
4616
4617 2009-12-30  Ian Lance Taylor  <iant@google.com>
4618
4619         PR 10931
4620         * options.h (class General_options): Add --sort-common option.
4621         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
4622         * common.cc (Sort_common): Add sort_order parameter to
4623         constructor.  Add sort_order_ field.
4624         (Sort_commons::operator): Check sort_order_.
4625         (Symbol_table::allocate_commons): Determine the sort order.
4626         (Symbol_table::do_allocate_commons): Add sort_order parameter.
4627         Change all callers.
4628         (Symbol_table::do_allocate_commons_list): Likewise.
4629
4630 2009-12-30  Ian Lance Taylor  <iant@google.com>
4631
4632         PR 10916
4633         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
4634         symbols from this object, don't change the visibility of an
4635         undefined symbol.
4636         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
4637
4638 2009-12-30  Ian Lance Taylor  <iant@google.com>
4639
4640         PR 10861
4641         * script.h (class Version_script_info): Define Language enum.
4642         Update declarations.  Define Glob, Exact, and Lookup types.  Add
4643         new fields globals_, locals_, and is_finalized_.
4644         * script.cc: Various formatting fixes.
4645         (class Parser_closure): Change language_stack_ from a vector of
4646         std::string to one of Version_script_info::Language.  Adjust all
4647         uses accordingly.
4648         (class Lazy_demangler): Remove.
4649         (struct Version_expression): Change language from std::string to
4650         Version_script_info::Language.
4651         (Version_script_info::Version_script_info): New function.
4652         (Version_script_info::~Version_script_info): Don't call clear.
4653         (Version_script_info::finalize): New function.
4654         (Version_script_info::build_lookup_tables): New function.
4655         (Version_script_info::build_expression_list_lookup): New
4656         function.
4657         (Version_script_info::get_symbol_version_helper): Rewrite to use
4658         lookup tables.
4659         (Version_script_info::print_expression_list): Adjust to use
4660         Version_script_info::Language.
4661         (script_push_lex_into_version_mode): Check that the version script
4662         has not been finalized.
4663         (version_script_push_lang): Change language string to
4664         Version_script_info::Language.
4665         * options.cc (Command_line::version_script): New function.
4666         * options.h (class General_options): Add finalize_dynamic_list
4667         function.  Change version_script from declaration to definition.
4668         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
4669         * testsuite/version_script.map: Remove duplicate def of foo.
4670         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
4671         version_script.map.
4672         * testsuite/Makefile.in: Rebuild.
4673
4674 2009-12-30  Ian Lance Taylor  <iant@google.com>
4675
4676         PR 10843
4677         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
4678         if the input symbol index is 0, make the output symbol index 0.
4679
4680 2009-12-30  Ian Lance Taylor  <iant@google.com>
4681
4682         PR 10670
4683         * options.h (class General_options): Add -x/--discard-all.
4684         * object.cc (Sized_relobj::do_count_local_symbols): Handle
4685         --discard-all.  If the local symbol needs a dynamic entry, check
4686         that before handling --discard-locals.
4687
4688 2009-12-30  Ian Lance Taylor  <iant@google.com>
4689
4690         PR 10450
4691         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
4692         flags to PF_R.
4693         (Output_segment::add_output_section): Don't change the flags if
4694         the type is PT_TLS.
4695
4696         PR 10450
4697         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
4698         GNU hash table if they need a dynamic value.  Otherwise, don't add
4699         them if they are defined in a dynamic object or are forced local.
4700
4701 2009-12-29  Ian Lance Taylor  <iant@google.com>
4702
4703         PR 10450
4704         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4705         .gnu.hash table for a 32-bit target.
4706
4707         PR 10450
4708         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4709         regular and a dynamic object only needs a dynamic symbol table
4710         entry if it is externally visible.
4711
4712         PR 10450
4713         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4714         constructor.  Add global_offset_table_ field.
4715         (Target_i386::got_section): Set global_offset_table_.
4716         (Target_i386::do_finalize_sections): Set global_offset_table_
4717         size.
4718         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4719         in constructor.  Add global_offset_table_ field.
4720         (Target_x86_64::got_section): Set global_offset_table_.
4721         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4722         size.
4723
4724         * layout.cc (Layout::Layout): Initialize increase_relro_.
4725         (Layout::get_output_section): Add is_relro, is_last_relro, and
4726         is_first_non_relro parameters.  Change all callers.
4727         (Layout::choose_output_section): Likewise.
4728         (Layout::add_output_section_data): Likewise.
4729         (Layout::make_output_section): Likewise.
4730         (Layout::set_segment_offsets): Clear increase_relro when using a
4731         linker script.
4732         * layout.h (class Layout): Add increase_relro method.  Add
4733         increase_relro_ field.  Update declarations.
4734         * output.cc (Output_section::Output_section): Initialize
4735         is_last_relro_ and is_first_non_relro_.
4736         (Output_segment::add_output_section): Group relro sections is
4737         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4738         (Output_segment::maximum_alignment): Remove relro handling.
4739         (Output_segment::set_section_addresses): Add increase_relro
4740         parameter.  Change all callers.  Add initial alignment to align
4741         relro sections on separate page.  Remove old relro handling.
4742         (Output_segment::set_section_list_addresses): Remove in_relro
4743         parameter.  Change all callers.
4744         (Output_segment::set_offset): Add increase parameter.  Change all
4745         callers.  Remove old relro handling.
4746         * output.h (class Output_section): Add new methods: is_last_relro,
4747         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4748         Add is_last_relro_ and is_first_non_relro_ fields.
4749         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4750         Create separate .got.plt section.  Call increase_relro.
4751         * x86_64.cc (Target_x86_64::got_section): Likewise.
4752         * testsuite/relro_script_test.t: Add .got.plt.
4753
4754         PR 10450
4755         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4756         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4757         (Layout::finalize): Call set_dynamic_symbol_size.
4758         (Layout::set_dynamic_symbol_size): New function.
4759         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4760         set_dynamic_symbol_size.
4761
4762         PR 10450
4763         * output.h (class Output_section): Add is_entsize_zero_ field.
4764         * output.cc (Output_section::Output_section): Initialize
4765         is_entsize_zero_.
4766         (Output_section::set_entsize): If two different entsizes are
4767         requested, force it to zero.
4768         (Output_section::add_input_section): Set flags for .debug_str
4769         before updating section flags.  Set entsize.
4770         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4771         and SHF_STRING if all input sections have those flags.
4772
4773 2009-12-29   Rafael Espindola  <espindola@google.com>
4774
4775         * main.cc (main): Fix the sys time reporting.
4776         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4777         reporting.
4778
4779 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4780
4781         * options.cc (General_options::parse_version): Allow -v to exit
4782         without an error if there is nothing to link.
4783
4784 2009-12-29  Ian Lance Taylor  <iant@google.com>
4785
4786         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4787         using a version of gcc before 4.1.
4788         * configure: Rebuild.
4789
4790 2009-12-28  Chris Demetriou  <cgd@google.com>
4791
4792         * attributes.cc (Output_attributes_section_data::do_write): Use
4793         std::vector::front rather than std::vector::data.
4794
4795 2009-12-28  Ian Lance Taylor  <iant@google.com>
4796
4797         * symtab.h (class Symbol_table): Add enum Defined.
4798         * resolve.cc (Symbol_table::should_override): Add defined
4799         parameter.  Change all callers.  Test whether object is NULL
4800         before calling a method on it.
4801         (Symbol_table::report_resolve_problem): Add defined parameter.
4802         Change all callers.
4803         (Symbol_table::should_override_with_special): Likewise.
4804         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4805         parameter.  Change all callers.
4806         (Symbol_table::do_define_in_output_data): Likewise.
4807         (Symbol_table::define_in_output_segment): Likewise.
4808         (Symbol_table::do_define_in_output_segment): Likewise.
4809         (Symbol_table::define_as_constant): Likewise.
4810         (Symbol_table::do_define_as_constant): Likewise.
4811         * script.h (class Symbol_assignment): Add is_defsym parameter to
4812         constructor; change all callers.
4813         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4814         parameter.  Change all callers.  Add is_defsym_ field.
4815         (class Parser_closure): Add parsing_defsym parameter to
4816         constructor; change all callers.  Add parsing_defsym accessor
4817         function.  Add parsing_defsym_ field.
4818
4819 2009-12-28  Ian Lance Taylor  <iant@google.com>
4820
4821         * gold.cc (queue_middle_tasks): Fix formatting.
4822         * object.cc (Relobj::is_section_name_included): Likewise.
4823
4824 2009-12-23  Ian Lance Taylor  <iant@google.com>
4825
4826         * i386.cc (Target_i386::do_calls_non_split): Recognize
4827         -fsplit-stack prologue for a function with a static chain.
4828         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4829         -fsplit-stack prologue when using %r11.
4830
4831 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4832
4833         * options.cc (General_options::parse_version): Make -v continue and do
4834         the link like GNU ld does.
4835
4836 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4837
4838         * Makefile.am (CCFILES): Add timer.cc.
4839         (HFILES): Add timer.h.
4840         * configure.ac: Check for sysconf and times.
4841         * main.cc: include timer.h.
4842         (main): Use Timer instead of get_run_time.
4843         * timer.cc: New.
4844         * timer.h: New.
4845         * workqueue.cc: include timer.h.
4846         (Workqueue::find_and_run_task):
4847         Report user, sys and wall time.
4848         * Makefile.in: Regenerate.
4849         * config.in: Regenerate.
4850         * configure: Regenerate.
4851
4852 2009-12-16  Doug Kwan  <dougkwan@google.com>
4853
4854         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4855         sections.
4856         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4857         relaxed input sections.
4858         * output.cc (Output_section::find_relaxed_input_section): Change
4859         return type to Output_relaxed_input_section pointer.  Adjust code
4860         for new type of relaxed_input_section_map_.
4861         * output.h (Output_section::find_relaxed_input_section): Change
4862         return type to Output_relaxed_input_section pointer.
4863         (Output_section::Output_relaxed_input_section_by_input_section_map):
4864         New type.
4865         (Output_section::relaxed_input_section_map_): Change type to
4866         Output_section::Output_relaxed_input_section_by_input_section_map.
4867         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4868         input section.
4869
4870 2009-12-15  Ian Lance Taylor  <iant@google.com>
4871
4872         * layout.cc (Layout::create_shstrtab): Only write out after input
4873         sections if we are compressing debug sections.
4874
4875 2009-12-15  Ian Lance Taylor  <iant@google.com>
4876
4877         * archive.cc (Archive::add_symbols): Only look up a symbol without
4878         a version if there is, in fact, a version.
4879
4880 2009-12-14  Ian Lance Taylor  <iant@google.com>
4881
4882         Revert -Wshadow changes, all changes from:
4883         2009-12-11  Doug Kwan  <dougkwan@google.com>
4884         2009-12-11  Nick Clifton  <nickc@redhat.com>
4885         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4886
4887 2009-12-11  Doug Kwan  <dougkwan@google.com>
4888
4889         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4890         due to -Wshadow.
4891         * attributes.cc (Object_attribute::size): Ditto.
4892         (Attributes_section_data::size): Ditto.
4893         (Attributes_section_data::Attributes_section_data): Ditto.
4894         (Output_attributes_section_data::do_write): Ditto.
4895         * attributes.h (Object_attribute::set_type): Ditto.
4896         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4897
4898 2009-12-11  Nick Clifton  <nickc@redhat.com>
4899
4900         * archive.cc: Fix shadowed variable warnings.
4901         * arm.cc: Likewise.
4902         * compressed_output.cc: Likewise.
4903         * compressed_output.h: Likewise.
4904         * configure: Likewise.
4905         * dwarf_reader.cc: Likewise.
4906         * dynobj.cc: Likewise.
4907         * dynobj.h: Likewise.
4908         * ehframe.cc: Likewise.
4909         * ehframe.h: Likewise.
4910         * errors.cc: Likewise.
4911         * expression.cc: Likewise.
4912         * fileread.cc: Likewise.
4913         * fileread.h: Likewise.
4914         * freebsd.h: Likewise.
4915         * i386.cc: Likewise.
4916         * icf.cc: Likewise.
4917         * incremental.h: Likewise.
4918         * layout.cc: Likewise.
4919         * layout.h: Likewise.
4920         * mapfile.cc: Likewise.
4921         * merge.cc: Likewise.
4922         * merge.h: Likewise.
4923         * object.cc: Likewise.
4924         * object.h: Likewise.
4925         * options.h: Likewise.
4926         * output.cc: Likewise.
4927         * output.h: Likewise.
4928         * parameters.cc: Likewise.
4929         * plugin.cc: Likewise.
4930         * powerpc.cc: Likewise.
4931         * reduced_debug_output.cc: Likewise.
4932         * reduced_debug_output.h: Likewise.
4933         * reloc.cc: Likewise.
4934         * reloc.h: Likewise.
4935         * resolve.cc: Likewise.
4936         * script-sections.cc: Likewise.
4937         * script.cc: Likewise.
4938         * script.h: Likewise.
4939         * sparc.cc: Likewise.
4940         * symtab.cc: Likewise.
4941         * symtab.h: Likewise.
4942         * target-select.cc: Likewise.
4943         * target-select.h: Likewise.
4944         * token.h: Likewise.
4945         * workqueue.cc: Likewise.
4946         * workqueue.h: Likewise.
4947         * x86_64.cc: Likewise.
4948
4949 2009-12-10  Doug Kwan  <dougkwan@google.com>
4950
4951         * arm.cc (attributes.h): New include.
4952         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4953         (Arm_relobj::~Arm_relobj): Delete object pointed by
4954         attributes_section_data_.
4955         (Arm_relobj::attributes_section_data): New method definition.
4956         (Arm_relobj::attributes_section_data_): New data member declaration.
4957         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4958         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4959         attributes_section_data_.
4960         (Arm_dynobj::attributes_section_data): New method definition.
4961         (Arm_dynobj::attributes_section_data_): New data member declaration.
4962         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4963         initialization value of may_use_blx_ to false.
4964         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4965         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4966         object attributes to compute results instead of hard-coding.
4967         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4968         Target_arm::get_secondary_compatible_arch,
4969         Target_arm::set_secondary_compatible_arch
4970         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4971         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4972         New method declarations.
4973         (Target_arm::get_aeabi_object_attribute): New method definition.
4974         (Target_arm::attributes_section_data_): New data member declaration.
4975         (read_arm_attributes_section): New template definition.
4976         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4977         (Arm_dynobj::do_read_symbols): Ditto.
4978         (Target_arm::do_finalize_sections): Merge attributes sections from
4979         input.  Check for BLX use after attributes section merging.
4980         Fix __exidx_start and __exidx_end visibility.  Create an
4981         .ARM.attributes section if necessary.
4982         (Target_arm::get_secondary_compatible_arch,
4983         Target_arm::set_secondary_compatible_arch,
4984         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4985         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4986         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4987         New method definitions.
4988
4989 2009-12-09  Ian Lance Taylor  <iant@google.com>
4990
4991         * plugin.cc (Plugin::load): Don't cast from void* to a function
4992         pointer.
4993
4994 2009-12-09  Ian Lance Taylor  <iant@google.com>
4995
4996         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4997         information fields.
4998
4999 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5000
5001         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5002         Replace two_file_shared_1.so with two_file_shared_2.so.
5003         * testsuite/Makefile.in: Regenerated.
5004
5005 2009-12-08  Doug Kwan  <dougkwan@google.com>
5006
5007         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5008         (HFILES): Add attributes.h and int_encoding.h.
5009         * Makefile.in: Regenerate.
5010         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5011         function definitions to int_encoding.cc
5012         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5013         prototypes to int_encoding.h
5014         * reduced_debug_output.cc (int_encoding.h): New include.
5015         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5016         function definitions to int_encoding.cc
5017         (insert_into_vector, read_from_pointer): Move template definitions to
5018         int_encoding.h
5019         * attributes.cc: New file.
5020         * attributes.h: New file.
5021         * int_encoding.cc: New file.
5022         * int_encoding.h: New file.
5023
5024 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5025
5026         PR gold/11055
5027         * incremental-dump.cc (dump_incremental_inputs): New.
5028         (main): Use dump_incremental_inputs.
5029
5030 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5031
5032         PR gold/10893
5033         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5034         checking elfcpp::STT_FUNC.
5035         (Target_i386::Relocate::relocate): Likewise.
5036         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5037
5038         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5039         symbols from shared libraries into normal FUNC symbols.
5040
5041         * symtab.h (Symbol): Add is_func and use it.
5042
5043 2009-12-05  Doug Kwan  <dougkwan@google.com>
5044
5045         * arm.cc (Target_arm::arm_info): Initialize new fields
5046         attributes_section and attributes_vendor.
5047         * i386.cc (Target_i386::i386_info): Same.
5048         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5049         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5050         fields attributes_section and attributes_vendor.
5051         * sparc.cc (Target_sparc::sparc_info): Same.
5052         * target.h (Target::attributes_section, Target::attributes_vendor,
5053         Target::is_attributes_section, Target::attribute_arg_type,
5054         Target::attributes_order): New method definitions.
5055         (Target::Target_info::attributes_section,
5056         Target::Target_info::attributes_vendor): New fields.
5057         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5058         virtual method definitions.
5059         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5060         attributes_section and attributes_vendor.
5061         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5062
5063 2009-12-05  Doug Kwan  <dougkwan@google.com>
5064
5065         * arm.cc: Update comments about interworking and stub generation.
5066         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5067         considered as non-PIC.
5068         (Arm_relocate_functions::base_abs): Fix formatting.
5069         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5070         of function to use GOT entry address instead of offset.
5071         (Target_arm::Scan::global): Issue an error if a symbol would need a
5072         PLT does not get one because it is untyped.  Remove code to create
5073         dynamic symbols for relative branches.
5074         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5075         takes unsigned integer instead of boolean.
5076
5077 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5078
5079         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5080         (two_file_test_LDADD): Likewise.
5081         (common_test_1_LDADD): Likewise.
5082         (exception_test_LDADD) Likewise.
5083         (weak_test_LDADD): Likewise.
5084         (many_sections_test_LDADD): Likewise.
5085         (initpri1_LDADD): Likewise.
5086         (script_test_1_LDADD): Likewise.
5087         (script_test_2_LDADD): Likewise.
5088         (justsyms_LDADD): Likewise.
5089         (binary_test_LDADD): Likewise.
5090         (large_LDADD): Likewise.
5091         * testsuite/Makefile.in: Regenerated.
5092
5093 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5094
5095         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5096         (Symbol_table::override_with_special): Likewise.
5097         (Symbol_table::add_from_object): Likewise.
5098
5099 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5100
5101         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5102         Don't set the data_offset twice.
5103
5104 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5105
5106         * testsuite/Makefile.in: Regenerate.
5107
5108 2009-12-03  Doug Kwan  <dougkwan@google.com>
5109
5110         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5111         (Target_arm::do_finalize_sections): Add parameter for symbol table
5112         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5113         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5114         parameter for symbol table pointer.
5115         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5116         an additional parameter for a pointer to symbol table.
5117         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5118         parameter for a symbol table pointer.
5119         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5120         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5121         Ditto.
5122         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5123         parameter for a symbol table pointer.
5124
5125 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5126
5127         * incremental.cc (Incremental_inputs_header)
5128         (Incremental_inputs_header_write, Incremental_inputs_entry)
5129         (Incremental_inputs_entry_write): Move ...
5130         * incremental.h (Incremental_inputs_header)
5131         (Incremental_inputs_header_write, Incremental_inputs_entry)
5132         (Incremental_inputs_entry_write): here.
5133
5134 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5135
5136         * incremental.cc (make_sized_incremental_binary): Set the target.
5137         Error if it is incompatible.
5138         * output.h (Output_file): Add filename method.
5139
5140 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5141
5142         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5143         from the get_* methods.
5144
5145 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5146
5147         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5148         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5149         Write 0 for the data_offset of scripts.
5150
5151 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5152
5153         * testsuite/Makefile.am: Add the incremental_test.sh test.
5154         * testsuite/incremental_test.sh: New.
5155         * testsuite/incremental_test_1.c: New.
5156         * testsuite/incremental_test_2.c: New.
5157
5158 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5159
5160        * incremental-dump.cc (main): Fix typos.
5161
5162 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5163
5164         PR gold/11025
5165         * incremental-dump.cc (main): Use llu to print 64 bit values.
5166
5167 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5168             H.J. Lu  <hongjiu.lu@intel.com>
5169
5170         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5171         $(LIBDL).
5172         (incremental_dump_LDADD): Likewise.
5173         * Makefile.in: Regenerated.
5174
5175 2009-11-25  Doug Kwan  <dougkwan@google.com>
5176
5177         Revert:
5178
5179         2009-11-25  Doug Kwan  <dougkwan@google.com>
5180
5181                 * arm.cc (Target_arm::Target_arm): Move method definition
5182                 outside of class definition.  Add code to handle
5183                 --target1-rel, --target1-abs and --target2= options.
5184                 (Target_arm::get_reloc_reloc_type): Change method to be
5185                 non-static and const.
5186                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5187                 New data member declaration.
5188                 (Target_arm::Scan::local, Target_arm::Scan::global,
5189                 Target_arm::Relocate::relocate,
5190                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5191                 Adjust call to Target_arm::get_real_reloc_type.
5192                 (Target_arm::get_real_reloc_type): Use command line options
5193                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5194                 * options.h (--target1-rel, --target1-abs, --target2): New
5195                 ARM-only options.
5196
5197 2009-11-25  Doug Kwan  <dougkwan@google.com>
5198
5199         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5200         class definition.  Add code to handle --target1-rel, --target1-abs
5201         and --target2= options.
5202         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5203         and const.
5204         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5205         member declaration.
5206         (Target_arm::Scan::local, Target_arm::Scan::global,
5207         Target_arm::Relocate::relocate,
5208         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5209         call to Target_arm::get_real_reloc_type.
5210         (Target_arm::get_real_reloc_type): Use command line options to
5211         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5212         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5213         options.
5214
5215 2009-11-25  Doug Kwan  <dougkwan@google.com>
5216
5217         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5218         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5219         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5220         formatting.
5221         (Arm_relocate_functions::thm_call): Replace body with a call to
5222         Arm_relocate_functions::thumb_branch_common.
5223         (Arm_relocate_functions::thm_jump24,
5224         Arm_relocate_functions::thm_xpc22): New method definitions.
5225         (Arm_relocate_functions::thumb_branch_common): New method definition.
5226         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5227         operator.
5228         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5229         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5230
5231 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5232
5233         * Makefile.am: Build incremental-dump
5234         * Makefile.in: Regenerate.
5235         * incremental-dump.cc: New.
5236         * incremental.cc (Incremental_inputs_header_data,
5237         Incremental_inputs_entry_data): Move to incremental.h
5238         * incremental.h: (Incremental_inputs_header_data,
5239         Incremental_inputs_entry_data): Move from incremental.cc
5240
5241 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5242
5243         * incremental.cc (Incremental_inputs_header,
5244         Incremental_inputs_header_write, Incremental_inputs_entry,
5245         Incremental_inputs_entry_write): Add a typedef with the data type.
5246
5247 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5248
5249         * incremental.cc (Incremental_inputs_header,
5250         Incremental_inputs_header_write, Incremental_inputs_entry,
5251         Incremental_inputs_entry_write): Update comment about which
5252         type has the filed descriptions.
5253
5254 2009-11-15  Doug Kwan  <dougkwan@google.com>
5255
5256         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5257         (Arm_relocate_functions::arm_branch_common): Change method defintion
5258         in class definition to a method declaration and update list of formal
5259         parameters.
5260         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5261         Arm_relocation_functions::jump24): Adjust call to
5262         Arm_relocate_functions::arm_branch_common.  Update list of formal
5263         parameters.
5264         (Arm_relocate_functions::xpc25): New method definition.
5265         (Arm_relocate_functions::arm_branch_common): Move method defintion
5266         out from class definition.  Use stubs for mode-switching and extending
5267         branch ranges.
5268         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5269         specially.  Change code to enable use of stubs in ARM branches.
5270
5271 2009-11-10  Doug Kwan  <dougkwan@google.com>
5272
5273         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5274         in method declaration.
5275         (Target_arm::relocate_stub): New method declaration.
5276         (Target_arm::default_target): Change to return a pointer instead of
5277         a const reference.
5278         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5279         Target_arm::default_target.
5280         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5281         method definition.
5282         (Target_arm::relocate_section): Adjust view.
5283         (Target_arm::relocate_stub): New method definition.
5284
5285 2009-11-10  Doug Kwan  <dougkwan@google.com>
5286
5287         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5288         a format warning.
5289         * incremental.cc (open_incremental_binary): Initialized local
5290         variables to avoid warnings.
5291         * object.cc (make_elf_object): Ditto.
5292         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5293         a format warning.
5294
5295 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5296
5297         PR gold/10930
5298         * testsuite/plugin_test.c: Include "config.h".
5299
5300 2009-11-09  Doug Kwan  <dougkwan@google.com>
5301
5302         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
5303         (arm_symbol_value): Remove.
5304         (Arm_relocate_functions::arm_branch_common,
5305         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
5306         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
5307         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
5308         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
5309         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
5310         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
5311         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
5312         Arm_relocate_functions::thm_mobw_abs_nc,
5313         Arm_relocate_functions::thm_mov_abs,
5314         Arm_relocate_functions::movw_prel_nc,
5315         Arm_relocate_functions::thm_movt_abs,
5316         Arm_relocate_functions::movt_prel,
5317         Arm_relocate_functions::thm_movw_prel_nc,
5318         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
5319         (Target_arm::Relocate::relocate): Only decompose address into two
5320         parts if relocation type uses the thumb-bit and pass the actual
5321         bit instead of a flag indicating that the thumb-bit is used.  Adjust
5322         calls to methods in Arm_relocate_functions for this change.
5323
5324 2009-11-08  Ian Lance Taylor  <iant@google.com>
5325
5326         PR 10925
5327         * reloc.cc: Instantiate
5328         Sized_relobj::initialize_input_to_output_maps and
5329         Sized_relobj:free_input_to_output_maps.
5330
5331 2009-11-06  Ian Lance Taylor  <iant@google.com>
5332
5333         PR 10876
5334         * defstd.cc (in_segment): Set only_if_ref true for "end".
5335
5336 2009-11-06  Doug Kwan  <dougkwan@google.com>
5337
5338         * arm.cc (class Reloc_stub): Correct a comment.
5339         (Target_arm::Target_arm): Initialize arm_input_section_map_.
5340         (Target_arm::scan_section_for_stubs): New method declaration.
5341         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
5342         Change methods from private to protected.
5343         (Target_arm::do_may_relax): New method definition.
5344         (Target_arm::do_relax, Target_arm::group_sections,
5345         Target_arm::scan_reloc_for_stub,
5346         Target_arm::scan_reloc_section_for_stubs): New method declarations.
5347         (Target_arm::arm_input_section_map_): New data member declaration.
5348         (Target_arm::scan_reloc_for_stub,
5349         Target_arm::scan_reloc_section_for_stubs,
5350         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
5351         Target_arm::do_relax): New method definitions.
5352
5353 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
5354
5355         * configure.ac: Check for (struct stat)::st_mtim
5356         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
5357         * config.in: Regenerate.
5358         * configure: Regenerate.
5359
5360 2009-11-05  Ian Lance Taylor  <iant@google.com>
5361
5362         PR 10910
5363         * output.cc (Output_segment::add_output_section): Add missing
5364         return statement.
5365
5366 2009-11-04  Ian Lance Taylor  <iant@google.com>
5367
5368         PR 10880
5369         * object.h (class Object): Add is_needed and set_is_needed
5370         methods.  Add is_needed_ field.  Make bool fields into bitfields.
5371         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
5372         defined in a dynamic object and referenced by a regular object,
5373         set is_needed for the dynamic object.
5374         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
5375         if the file is marked with as_needed and it is not needed.
5376
5377 2009-11-04  Ian Lance Taylor  <iant@google.com>
5378
5379         PR 10887
5380         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
5381         tags if data is discarded by linker script.
5382         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5383         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5384         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5385         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5386
5387 2009-11-04  Ian Lance Taylor  <iant@google.com>
5388
5389         * layout.cc (Layout::get_output_section): Add is_interp and
5390         is_dynamic_linker_section parameters.  Change all callers.
5391         (Layout::choose_output_section): Likewise.
5392         (Layout::make_output_section): Likewise.
5393         (Layout::add_output_section_data): Add is_dynamic_linker_section
5394         parameter.  Change all callers.
5395         * layout.h (class Layout): Update declarations.
5396         * output.h (class Output_section): Add is_interp, set_is_interp,
5397         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
5398         Add is_interp_, is_dynamic_linker_section_ fields.  Change
5399         generate_code_fills_at_write_ to a bitfield.
5400         * output.cc (Output_section::Output_sections): Initialize new
5401         fields.
5402         (Output_segment::add_output_section): Add do_sort parameter.
5403         Change all callers.
5404
5405 2009-11-03  Ian Lance Taylor  <iant@google.com>
5406
5407         PR 10860
5408         * options.h (class General_options): Add --warn-common.
5409         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
5410         merging two common symbols.
5411         (Symbol_table::should_override): Handle --warn-common when merging
5412         a common symbol with a defined symbol.  Use report_resolve_problem
5413         for multiple definitions.
5414         (Symbol_table::report_resolve_problem): New function.
5415         * symtab.h (class Symbol_table): Declare report_resolve_problem.
5416
5417 2009-11-03  Doug Kwan  <dougkwan@google.com>
5418
5419         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
5420         stub_factory_.
5421         (Target_arm::stub_factory): New method definition.
5422         (Target_arm::new_arm_input_section,
5423         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
5424         Target_arm::reloc_uses_thumb_bit): New method declarations.
5425         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
5426         New type definitions.
5427         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
5428         member declarations.
5429         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
5430         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
5431         New method definitions.
5432
5433 2009-11-03  Ian Lance Taylor  <iant@google.com>
5434
5435         * options.h (class General_options): Add --warn_constructors.
5436
5437 2009-11-03  Ian Lance Taylor  <iant@google.com>
5438
5439         PR 10893
5440         * defstd.cc (in_section): Add entries for __rel_iplt_start,
5441         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
5442
5443 2009-11-03  Ian Lance Taylor  <iant@google.com>
5444
5445         PR 10895
5446         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
5447         --msgid-bugs-address.
5448         (install-pdf): New target.
5449         (install-data_yes): Look up one directory to find mkinstalldirs.
5450
5451 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
5452
5453         * po/Make-in (.po.gmo): Don't generate .gmo files in source
5454         tree.
5455
5456 2009-10-30  Doug Kwan  <dougkwan@google.com>
5457
5458         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
5459
5460 2009-10-30  Doug Kwan  <dougkwan@google.com>
5461
5462         * arm.cc (Stub_addend_reader): New struct template definition
5463         and partial specializations.
5464         (Stub_addend_reader::operator()): New method definition for a
5465         partially specialized template.
5466
5467 2009-10-30  Doug Kwan  <dougkwan@google.com>
5468
5469         * arm.cc (Arm_relobj::processor_specific_flags): New method
5470         definition.
5471         (Arm_relobj::do_read_symbols): New method declaration.
5472         (Arm_relobj::processor_specific_flags_): New data member declaration.
5473         (Arm_dynobj): New class definition.
5474         (Target_arm::do_finalize_sections): Add input_objects parameter.
5475         (Target_arm::do_adjust_elf_header): New method declaration.
5476         (Target_arm::are_eabi_versions_compatible,
5477         (Target_arm::merge_processor_specific_flags): New method declaration.
5478         (Target_arm::do_make_elf_object): New overloaded method definitions
5479         and declaration.
5480         (Arm_relobj::do_read_symbols): New method definition.
5481         (Arm_dynobj::do_read_symbols): Ditto.
5482         (Target_arm::do_finalize_sections): Add input_objects parameters.
5483         Merge processor-specific flags from all input objects.
5484         (Target_arm::are_eabi_versions_compatible,
5485         Target_arm::merge_processor_specific_flags,
5486         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
5487         New method definitions.
5488         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
5489         Input_objects pointer type parameter.
5490         * layout.cc (Layout::finalize): Pass input objects to target's.
5491         finalize_sections function.
5492         * output.cc (Output_file_header::do_sized_write): Set ELF file
5493         header's processor-specific flags.
5494         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
5495         Input_objects pointer type parameter.
5496         * sparc.cc (Target_sparc::do_finalize_sections): Same.
5497         * target.h (Input_objects): New forward class declaration.
5498         (Target::processor_specific_flags,
5499         Target::are_processor_specific_flags_sect): New method definitions.
5500         (Target::finalize_sections): Add input_objects parameter.
5501         (Target::Target): Initialize processor_specific_flags_ and
5502         are_processor_specific_flags_set_.
5503         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
5504         parameter.
5505         (Target::set_processor_specific_flags): New method definition.
5506         (Target::processor_specific_flags_,
5507         Target::are_processor_specific_flags_set_): New data member
5508         declarations.
5509         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
5510         Input_objects pointer type parameter.
5511
5512 2009-10-30  Doug Kwan  <dougkwan@google.com>
5513
5514         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
5515
5516 2009-10-28  Ian Lance Taylor  <iant@google.com>
5517
5518         * object.h (class Relobj): Drop options parameter from
5519         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
5520         do_scan_relocs, do_relocate.  Change all callers.
5521         (class Sized_relobj): Drop options parameters from
5522         do_gc_process_relocs, do_scan_relocs, do_relocate,
5523         do_relocate_sections, relocate_sections, emit_relocs_scan,
5524         emit_relocs_scan_reltype.  Change all callers.
5525         (struct Relocate_info): Remove options field and all references to
5526         it.
5527         * reloc.h (class Read_relocs): Remove options constructor
5528         parameter and options_ field.  Change all callers.
5529         (class Gc_process_relocs, class Scan_relocs): Likewise.
5530         (class Relocate_task): Likewise.
5531         * target-reloc.h (scan_relocs): Remove options parameter.  Change
5532         all callers.
5533         (scan_relocatable_relocs): Likewise.
5534         * target.h (class Sized_target): Remove options parameter from
5535         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
5536         all callers.
5537         * gc.h (gc_process_relocs): Remove options parameter.  Change all
5538         callers.
5539         * arm.cc: Update functions to remove options parameters.
5540         * i386.cc: Likewise.
5541         * powerpc.cc: Likewise.
5542         * sparc.cc: Likewise.
5543         * x86_64.cc: Likewise.
5544         * testsuite/testfile.cc: Likewise.
5545
5546 2009-10-28  Doug Kwan  <dougkwan@google.com>
5547
5548         * arm.cc (Arm_relobj): New class definition.
5549         (Arm_relobj::scan_sections_for_stubs,
5550         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
5551         New method definitions.
5552
5553 2009-10-28  Cary Coutant  <ccoutant@google.com>
5554
5555         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
5556         (Plugin::cleanup_done_): New member.
5557         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
5558         (Plugin_manager::cleanup_done_): Remove.
5559         (Plugin_manager::add_input_file): Edit error message.
5560         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
5561         (Plugin_manager::cleanup): Remove use of cleanup_done_.
5562
5563 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
5564
5565         * fileread.cc: (File_read::View::~View): Use the new
5566         data_ownership_ filed.
5567         (File_read::~File_read): Dispose the new whole_file_view_.
5568         (File_read::open): Mmap the whole file if needed.
5569         (File_read::open): Use whole_file_view_ instead of contents_.
5570         (File_read::find_view): Use whole_file_view_ if applicable.
5571         (File_read::do_read): Use whole_file_view_ instead of contents_.
5572         (File_read::make_view): Use whole_file_view_ instead of contents_,
5573         update File_read::View::View call.
5574         (File_read::find_or_make_view): Update File_read::View::View
5575         call.
5576         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
5577         remove contents_
5578         (File_read::View::Data_ownership): New enum.
5579         (File_read::View::View): Replace bool mapped_ with Data_ownership
5580         argument.
5581         (File_read::View::mapped_): Remove (replaced by data_ownership_).
5582         (File_read::View::data_ownership_): New field.
5583         (File_read::contents_): Remove (replaced by whole_file_view_).
5584         (File_read::whole_file_view_): New field.
5585         * options.h (class General_options): Add --keep-files-mapped.
5586
5587 2009-10-27  Cary Coutant  <ccoutant@google.com>
5588
5589         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
5590         * testsuite/Makefile.am (plugin_test_5): New test case.
5591         * testsuite/Makefile.in: Regenerate.
5592
5593 2009-10-25  Doug Kwan  <dougkwan@google.com>
5594
5595         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
5596         from private to protected to allow access by child class.
5597         (Sized_relobj::do_relocate_sections): New method declaration.
5598         (Sized_relobj::relocate_sections): Virtualize.
5599         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
5600         Sized_relobj::relocate_sections.  Instantiate template explicitly
5601         for different target sizes and endianity.
5602
5603 2009-10-24  Doug Kwan  <dougkwan@google.com>
5604
5605         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
5606         (Arm_input_section::as_arm_input_section): New method.
5607         (Arm_output_section): New class definition.
5608         (Arm_output_section::create_stub_group,
5609         Arm_output_section::group_sections): New method definitions.
5610
5611 2009-10-22  Doug Kwan  <dougkwan@google.com>
5612
5613         * arm.cc (Arm_input_section): New class definition.
5614         (Arm_input_section::init, Arm_input_section:do_write,
5615         Arm_input_section::set_final_data_size,
5616         Arm_input_section::do_reset_address_and_file_offset): New method
5617         definitions.
5618
5619 2009-10-21  Doug Kwan  <dougkwan@google.com>
5620
5621         * arm.cc (Stub_table, Arm_input_section): New forward class
5622         declarations.
5623         (Stub_table): New class defintion.
5624         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
5625         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
5626         New method definition.
5627
5628 2009-10-21  Doug Kwan  <dougkwan@google.com>
5629
5630         * arm.cc: Update copyright comments.
5631         (Target_arm): New forward class template declaration.
5632         (Arm_address): New type.
5633         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
5634         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
5635         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
5636         constants.
5637         (Insn_template): Same.
5638         (DEF_STUBS): New macro.
5639         (Stub_type): New enum type.
5640         (Stub_template): New class definition.
5641         (Stub): Same.
5642         (Reloc_stub): Same.
5643         (Stub_factory): Same.
5644         (Target_arm::Target_arm): Initialize may_use_blx_ and
5645         should_force_pic_veneer_.
5646         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
5647         Target_arm::should_force_pic_veneer,
5648         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
5649         Target_arm::using_thumb_only, Target_arm:;default_target): New
5650         method defintions.
5651         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
5652         New data member declarations.
5653         (Insn_template::size, Insn_template::alignment): New method defintions.
5654         (Stub_template::Stub_template): New method definition.
5655         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
5656         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
5657         (Stub_factory::Stub_factory): New method definition.
5658         * gold.h (string_hash): New template.
5659         * output.h (Input_section_specifier::hash_value): Use
5660         gold::string_hash.
5661         (Input_section_specifier::string_hash): Remove.
5662         * stringpool.cc (Stringpool_template::string_hash): Use
5663         gold::string_hash.
5664
5665 2009-10-20  Doug Kwan  <dougkwan@google.com>
5666
5667         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
5668         symbols of relaxed input sections.
5669         * output.h (Output_section::find_relaxed_input_section): Make
5670         method public.
5671
5672 2009-10-16  Doug Kwan  <dougkwan@google.com>
5673
5674         * dynobj.cc (Versions::Versions): Initialize version_script_.
5675         Only insert base version symbol definition for a shared object
5676         if version script defines any version versions.
5677         (Versions::define_base_version): New method definition.
5678         (Versions::add_def): Check that base version is not needed.
5679         (Versions::add_need): Define base version lazily.
5680         * dynobj.h (Versions::define_base_version): New method declaration.
5681         (Versions::needs_base_version_): New data member declaration.
5682         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
5683         (check_DATA): Add no_version_test.stdout.
5684         (libno_version_test.so, no_version_test.o no_version_test.stdout):
5685         New make rules.
5686         * testsuite/Makefile.in: Regenerate.
5687         * testsuite/no_version_test.c: New file.
5688         * testsuite/no_version_test.sh: Ditto.
5689
5690 2009-10-16  Doug Kwan  <dougkwan@google.com>
5691
5692         * expression.cc (class Segment_start_expression): New class definition.
5693         (Segment_start_expression::value): New method definition.
5694         (script_exp_function_segment_start): Return a new
5695         Segment_start_expression.
5696         * gold/script-c.h (script_saw_segment_start_expression): New function
5697         prototype.
5698         * script-sections.cc (Script_sections::Script_sections): Initialize
5699         SAW_SEGMENT_START_EXPRESSION_ to false.
5700         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
5701         and -Tbbs options to specify section addresses if given in
5702         command line and no SEGMENT_START expression is seen in a script.
5703         * script-sections.h (Script_sections::saw_segment_start_expression,
5704         Script_sections::set_saw_segment_start_expression): New method
5705         definition.
5706         (Script_sections::saw_segment_start_expression_): New data member
5707         declaration.
5708         * script.cc (script_saw_segment_start_expression): New function.
5709         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5710         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5711         script_test_7.sh and script_test_8.sh.
5712         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5713         script_test_8.stdout.
5714         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5715         (script_test_6, script_test_6.stdout, script_test_7,
5716         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5717         * Makefile.in: Regenerate.
5718         * testsuite/script_test_6.sh: New file.
5719         * testsuite/script_test_6.t: Same.
5720         * testsuite/script_test_7.sh: Same.
5721         * testsuite/script_test_7.t: Same.
5722         * testsuite/script_test_8.sh: Same.
5723
5724 2009-10-16  Doug Kwan  <dougkwan@google.com>
5725
5726         * output.cc (Output_segment::set_section_list_address): Cast
5727         expressions to unsigned long long type to avoid format warnings.
5728
5729 2009-10-15  Ian Lance Taylor  <iant@google.com>
5730
5731         * script.cc (Script_options::add_symbol_assignment): Always add a
5732         dot assignment to script_sections_.
5733         * script-sections.cc (Script_sections::add_dot_assignment):
5734         Initialize if necessary.
5735
5736         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5737         program headers with no load segment if there is a linker script.
5738
5739         * layout.cc (Layout::set_segment_offsets): Align the file offset
5740         to the segment aligment for -N or -n with no load segment.
5741         * output.cc (Output_segment::add_output_section): Don't crash if
5742         the first section is a TLS section.
5743         (Output_segment::set_section_list_addresses): Print an error
5744         message if the address moves backward in a linker script.
5745         * script-sections.cc
5746         (Output_section_element_input::set_section_addresses): Don't
5747         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5748         (Orphan_output_section::set_section_addresses): Likewise.
5749
5750 2009-10-15  Doug Kwan  <dougkwan@google.com>
5751
5752         * layout.cc (Layout::finish_dynamic_section): Generate tags
5753         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5754         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5755         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5756
5757 2009-10-14  Ian Lance Taylor  <iant@google.com>
5758
5759         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5760         fields.
5761         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5762         data_shdr fields of relinfo.
5763         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5764         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5765         R_386_TLS_LDO_32, adjust based on section flags.
5766         (Target_i386::Relocate::fix_up_ldo): Remove.
5767
5768 2009-10-13  Ian Lance Taylor  <iant@google.com>
5769
5770         Add support for -pie.
5771         * options.h (class General_options): Add -pie and
5772         --pic-executable.
5773         (General_options::output_is_position_independent): Test -pie.
5774         (General_options::output_is_executable): Return true if not shared
5775         and not relocatable.
5776         (General_options::output_is_pie): Remove.
5777         * options.cc (General_options::finalize): Reject incompatible uses
5778         of -pie.
5779         * gold.cc (queue_middle_tasks): A -pie link is not static.
5780         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5781         * symtab.cc (Symbol::final_value_is_known): Return false if
5782         output_is_position_independent.
5783         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5784         output_is_position_independent.
5785         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5786         output_is_position_independent.
5787         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5788         output_is_position_independent.
5789         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5790         two_file_pie_test.
5791         (basic_pie_test.o, basic_pie_test): New targets.
5792         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5793         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5794         (two_file_pie_test): New target.
5795         * testsuite/Makefile.in: Rebuild.
5796         * README: Remove note saying that -pie is not supported.
5797
5798 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5799
5800         * options.h (class General_options): Add -init and -fini.
5801         * layout.cc (Layout::finish_dynamic_section): Emit
5802         given init and fini functions.
5803
5804 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5805
5806         * gc.h (gc_process_relocs): Check if icf is enabled using new
5807         function.
5808         * gold.cc (queue_initial_tasks): Likewise.
5809         (queue_middle_tasks): Likewise.
5810         * object.cc (do_layout): Likewise.
5811         * symtab.cc (is_section_folded): Likewise.
5812         * main.cc (main): Likewise.
5813         * reloc.cc (Read_relocs::run): Likewise.
5814         (Sized_relobj::do_scan_relocs): Likewise.
5815         * icf.cc (is_function_ctor_or_dtor): New function.
5816         (Icf::find_identical_sections): Check if function is ctor or dtor when
5817         safe icf is chosen.
5818         * options.h (General_options::icf): Change option to be an enum.
5819         (Icf_status): New enum.
5820         (icf_enabled): New method.
5821         (icf_safe_folding): New method.
5822         (set_icf_status): New method.
5823         (icf_status_): New variable.
5824         * (options.cc) (General_options::finalize): Set icf_status_.
5825         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5826         icf_test and icf_keep_unique_test to use the --icf enum flag.
5827         * testsuite/icf_safe_test.sh: New file.
5828         * testsuite/icf_safe_test.cc: New file.
5829
5830 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5831
5832         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5833         includes to gc.h and icf.h.
5834         * arm.cc: Include gc.h.
5835         * gold.cc: Likewise.
5836         * i386.cc: Likewise.
5837         * powerpc.cc: Likewise.
5838         * sparc.cc: Likewise.
5839         * x86_64.cc: Likewise.
5840         * gc.h: Include icf.h.
5841
5842 2009-10-11  Ian Lance Taylor  <iant@google.com>
5843
5844         * plugin.cc: Include "gold.h" before other header files.
5845
5846 2009-10-10  Chris Demetriou  <cgd@google.com>
5847
5848         * options.h (Input_file_argument::Input_file_type): New enum.
5849         (Input_file_argument::is_lib_): Replace with...
5850         (Input_file_argument::type_): New member.
5851         (Input_file_argument::Input_file_argument): Take Input_file_type
5852         'type' rather than boolean 'is_lib' as second argument.
5853         (Input_file_argument::is_lib): Use type_.
5854         (Input_file_argument::is_searched_file): New function.
5855         (Input_file_argument::may_need_search): Handle is_searched_file.
5856         * options.cc (General_options::parse_library): Support -l:filename.
5857         (General_options::parse_just_symbols): Update for Input_file_argument
5858         changes.
5859         (Command_line::process): Likewise.
5860         * archive.cc (Archive::get_file_and_offset): Likewise.
5861         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5862         * script.cc (read_script_file, script_add_file): Likewise.
5863         * fileread.cc (Input_file::Input_file): Likewise.
5864         (Input_file::will_search_for): Handle is_searched_file.
5865         (Input_file::open): Likewise.
5866         * readsyms.cc (Read_symbols::get_name): Likewise.
5867         * testsuite/Makefile.am (searched_file_test): New test.
5868         * testsuite/Makefile.in: Regenerate.
5869         * testsuite/searched_file_test.cc: New file.
5870         * testsuite/searched_file_test_lib.cc: New file.
5871
5872 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5873             Ian Lance Taylor  <iant@google.com>
5874
5875         * descriptor.cc: Include <cstdio> and "binary-io.h".
5876         (Descriptors::open): Open the files in binary mode always.
5877         * script.cc (Lex::get_token): Treat \r as whitespace.
5878
5879 2009-10-09  Ian Lance Taylor  <iant@google.com>
5880
5881         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5882
5883 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5884             Ian Lance Taylor  <iant@google.com>
5885
5886         * configure.ac: Check for readv function also.
5887         * fileread.cc (readv): Define if not HAVE_READV.
5888         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5889         does not exist.
5890         * config.in: Regenerate.
5891         * configure: Regenerate.
5892
5893 2009-10-09  Doug Kwan  <dougkwan@google.com>
5894
5895         * layout.cc (Layout::make_output_section): Call target hook to make
5896         ordinary output section.
5897         (Layout::finalize): Adjust parameter list of call the
5898         Target::may_relax().
5899         * layout.h (class Layout::section_list): New method.
5900         * merge.h (Output_merge_base::entsize): Change visibility to public.
5901         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5902         New methods.
5903         (Output_merge_string::do_is_string): New method.
5904         * object.cc (Sized_relobj::do_setup): renamed from
5905         Sized_relobj::set_up.
5906         * object.h (Sized_relobj::adjust_shndx,
5907         Sized_relobj::initializ_input_to_output_maps,
5908         Sized_relobj::free_input_to_output_maps): Change visibilities to
5909         protected.
5910         (Sized_relobj::setup): Virtualize.
5911         (Sized_relobj::do_setup): New method declaration.
5912         (Sized_relobj::invalidate_section_offset,
5913         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5914         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5915         * options.cc (parse_int): New function.
5916         * options.h (parse_int): New declaration.
5917         (DEFINE_int): New macro.
5918         (stub_group_size): New option.
5919         * output.cc (Output_section::Output_section): Initialize memebers
5920         merge_section_map_, merge_section_by_properties_map_,
5921         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5922         (Output_section::add_input_section): Handled deferred code-fill
5923         generation and remove an old comment.
5924         (Output_section::add_relaxed_input_section): New method definition.
5925         (Output_section::add_merge_input_section): Use merge section by
5926         properties map to speed to search.  Update merge section maps
5927         as appropriate.
5928         (Output_section::build_relaxation_map): New method definition.
5929         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5930         Same.
5931         (Output_section::relax_input_section): Renamed to
5932         Output_section::convert_input_sections_to_relaxed_sections and change
5933         interface to take a vector of pointers to relaxed sections.
5934         (Output_section::find_merge_section,
5935         Output_section::find_relaxed_input_section): New method definitions.
5936         (Output_section::is_input_address_mapped,
5937         Output_section::output_offset, Output_section::output_address):
5938         Use output section data maps to speed up searching.
5939         (Output_section::find_starting_output_address): Add comments.
5940         (Output_section::do_write,
5941         Output_section::write_to_postprocessing_buffer): Do code-fill
5942         generation as appropriate.
5943         (Output_section::get_input_sections): Invalidate relaxed input section
5944         map.
5945         (Output_section::restore_states): Adjust type of checkpoint .
5946         Invalidate relaxed input section map.
5947         * output.h (Output_merge_base): New class declaration.
5948         (Input_section_specifier): New class defintion.
5949         (class Output_relaxed_input_section) Change base class to
5950         Output_section_data_build.
5951         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5952         base class initializer.
5953         (Output_section::add_relaxed_input_section): New method declaration.
5954         (Output_section::Input_section): Change visibility to protected.
5955         (Output_section::Input_section::relobj,
5956         Output_section::Input_section::shndx): Handle relaxed input sections.
5957         Output_section::input_sections) Change visibility to protected.  Also
5958         define overload to return a non-const pointer.
5959         (Output_section::Merge_section_properties): New class defintion.
5960         (Output_section::Merge_section_by_properties_map,
5961         Output_section::Output_section_data_by_input_section_map,
5962         Output_section::Relaxation_map): New types.
5963         (Output_section::relax_input_section): Rename method to
5964         Output_section::convert_input_sections_to_relaxed_sections and change
5965         interface to take a vector of relaxed section pointers.
5966         (Output_section::find_merge_section,
5967         Output_section::find_relaxed_input_section,
5968         Output_section::build_relaxation_map,
5969         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5970         New method declarations.
5971         (Output_section::merge_section_map_
5972         Output_section::merge_section_by_properties_map_,
5973         Output_section::relaxed_input_section_map_,
5974         Output_section::is_relaxed_input_section_map_valid_,
5975         Output_section::generate_code_fills_at_write_): New data members.
5976         * script-sections.cc
5977         (Output_section_element_input::set_section_addresses): Call
5978         current_data_size and addralign methods of relaxed input sections.
5979         (Orphan_output_section::set_section_addresses): Call current_data_size
5980         and addralign methods of relaxed input sections.
5981         * symtab.cc (Symbol_table::compute_final_value): Extract template
5982         from the body of Symbol_table::sized_finalize_symbol.
5983         (Symbol_table::sized_finalized_symbol): Call
5984         Symbol_table::compute_final_value.
5985         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5986         (Symbol_table::compute_final_value): New templated method declaration.
5987         * target.cc (Target::do_make_output_section): New method defintion.
5988         * target.h (Target::make_output_section): New method declaration.
5989         (Target::relax): Add more parameters for input objects, symbol table
5990         and layout.  Adjust call to do_relax.
5991         (Target::do_make_output_section): New method declaration.
5992         (Target::do_relax): Add parameters for input objects, symbol table
5993         and layout.
5994
5995 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5996
5997         * pread.c: Include stdio.h.
5998
5999 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6000
6001         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6002         defined.
6003
6004 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6005
6006         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6007         Change read_shndx type to unsigned int.
6008         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6009         int.
6010         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6011         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6012         Change read_shndx type to unsigned int.
6013         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6014         int.
6015         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6016         * layout.cc (Layout::create_symtab_sections): Cast the result of
6017         local_symcount * symsize to off_t in the gold_assert.
6018
6019 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6020
6021         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6022         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6023         R_ARM_BASE_ABS.
6024         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6025         (Arm_relocate_functions::thm_abs5): New function.
6026         (Arm_relocate_functions::abs12): New function.
6027         (Arm_relocate_functions::abs16): New function.
6028         (Arm_relocate_functions::base_abs): New function.
6029         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6030         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6031         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6032         R_ARM_BASE_ABS.
6033         (Scan::global): Likewise.
6034         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6035         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6036         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6037         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6038         R_ARM_BASE_ABS.
6039
6040 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6041
6042         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6043         (Arm_relocate_functions::movt_prel): New function.
6044         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6045         (Arm_relocate_functions::thm_movt_prel): New function.
6046         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6047         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6048         (Scan::global, Relocate::relocate): Likewise.
6049         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6050
6051 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6052
6053         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6054         Incremental_checker.
6055         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6056         unsigned int.
6057         (class Incremental_inputs_header): New class.
6058         (Incremental_inputs_header_writer): Edit comment.
6059         (Incremental_inputs_entry): New class.
6060         (Incremental_inputs_entry_writer): Edit comment.
6061         (Sized_incremental_binary::do_find_incremental_inputs_section):
6062         Add *strtab_shndx parameter, fill it.
6063         (Sized_incremental_binary::do_check_inputs): New method.
6064         (Incremental_checker::can_incrementally_link_output_file): Use
6065         Sized_incremental_binary::check_inputs.
6066         (Incremental_inputs::report_command_line): Save command line in
6067         command_line_.
6068         * incremental.h:
6069         (Incremental_binary::find_incremental_inputs_section): New
6070         method.
6071         (Incremental_binary::do_find_incremental_inputs_section): Add
6072         strtab_shndx parameter.
6073         (Incremental_binary::do_check_inputs): New pure virtual method.
6074         (Sized_incremental_binary::do_check_inputs): Declare.
6075         (Incremental_checker::Incremental_checker): Add incremental_inputs
6076         parameter, use it to initialize incremental_inputs_.
6077         (Incremental_checker::incremental_inputs_): New field.
6078         (Incremental_checker::command_line): New method.
6079         (Incremental_checker::inputs): New method.
6080         (Incremental_checker::command_line_): New field.
6081
6082 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6083
6084         * incremental.cc: Include <cstdarg> and "target-select.h".
6085         (vexplain_no_incremental): New function.
6086         (explain_no_incremental): New function.
6087         (Incremental_binary::error): New method.
6088         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6089         method.
6090         (make_sized_incremental_binary): New function.
6091         (open_incremental_binary): New function.
6092         (can_incrementally_link_file): Add checks if output is ELF and has
6093         inputs section.
6094         * incremental.h: Include "elfcpp_file.h" and "output.h".
6095         (Incremental_binary): New class.
6096         (Sized_incremental_binary): New class.
6097         (open_incremental_binary): Declare.
6098         * object.cc (is_elf_object): Use
6099         elfcpp::Elf_recognizer::is_elf_file.
6100         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6101         * output.h (Output_file::filesize): New method.
6102
6103 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6104
6105         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6106         New function.
6107         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6108         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6109         function.
6110         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6111         function.
6112         (Arm_relocate_functions::movw_abs_nc): New function.
6113         (Arm_relocate_functions::movt_abs): New function.
6114         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6115         (Arm_relocate_functions::thm_movt_abs): New function.
6116         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6117         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6118         (Scan::global): Likewise.
6119         (Relocate::relocate): Likewise.
6120         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6121
6122 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6123
6124         * arm.cc (Arm_relocate_functions::got_prel) New function.
6125         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6126         (Relocate::relocate): Likewise.
6127         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6128
6129 2009-10-06  Ian Lance Taylor  <iant@google.com>
6130
6131         * options.h (class General_options): Define
6132         split_stack_adjust_size parameter.
6133         * object.h (class Object): Add uses_split_stack_ and
6134         has_no_split_stack_ fields.  Add uses_split_stack and
6135         has_no_split_stack accessor functions.  Declare
6136         handle_split_stack_section.
6137         (class Reloc_symbol_changes): Define.
6138         (class Sized_relobj): Define Function_offsets.  Declare
6139         split_stack_adjust, split_stack_adjust_reltype, and
6140         find_functions.
6141         * object.cc (Object::handle_split_stack_section): New function.
6142         (Sized_relobj::do_layout): Call handle_split_stack_section.
6143         * dynobj.cc (Sized_dynobj::do_layout): Call
6144         handle_split_stack_section.
6145         * reloc.cc (Sized_relobj::relocate_sections): Call
6146         split_stack_adjust for executable sections in split_stack
6147         objects.  Pass reloc_map to relocate_section.
6148         (Sized_relobj::split_stack_adjust): New function.
6149         (Sized_relobj::split_stack_adjust_reltype): New function.
6150         (Sized_relobj::find_functions): New function.
6151         * target-reloc.h: Include "object.h".
6152         (relocate_section): Add reloc_symbol_changes parameter.  Change
6153         all callers.
6154         * target.h (class Target): Add calls_non_split method.  Declare
6155         do_calls_non_split virtual method.  Declare match_view and
6156         set_view_to_nop.
6157         * target.cc: Include "elfcpp.h".
6158         (Target::do_calls_non_split): New function.
6159         (Target::match_view): New function.
6160         (Target::set_view_to_nop): New function.
6161         * gold.cc (queue_middle_tasks): Give an error if mixing
6162         split-stack and non-split-stack objects with -r.
6163         * i386.cc (Target_i386::relocate_section): Add
6164         reloc_symbol_changes parameter.
6165         (Target_i386::do_calls_non_split): New function.
6166         * x86_64.cc (Target_x86_64::relocate_section): Add
6167         reloc_symbol_changes parameter.
6168         (Target_x86_64::do_calls_non_split): New function.
6169         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6170         parameter.
6171         * powerpc.cc (Target_powerpc::relocate_section): Add
6172         reloc_symbol_changes parameter.
6173         * sparc.cc (Target_sparc::relocate_section): Add
6174         reloc_symbol_changes parameter.
6175         * configure.ac: Call AM_CONDITIONAL for the default target.
6176         * configure: Rebuild.
6177         * testsuite/Makefile.am (TEST_AS): New variable.
6178         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6179         (check_DATA): Add split_i386 and split_x86_64 files.
6180         (SPLIT_DEFSYMS): Define.
6181         (split_i386_[1234n].o): New targets.
6182         (split_i386_[124]): New targets.
6183         (split_i386_[1234r].stdout): New targets.
6184         (split_x86_64_[1234n].o): New targets.
6185         (split_x86_64_[124]): New targets.
6186         (split_x86_64_[1234r].stdout): New targets.
6187         (MOSTLYCLEANFILES): Add new executables.
6188         * testsuite/split_i386.sh: New file.
6189         * testsuite/split_x86_64.sh: New file.
6190         * testsuite/split_i386_1.s: New file.
6191         * testsuite/split_i386_2.s: New file.
6192         * testsuite/split_i386_3.s: New file.
6193         * testsuite/split_i386_4.s: New file.
6194         * testsuite/split_i386_n.s: New file.
6195         * testsuite/split_x86_64_1.s: New file.
6196         * testsuite/split_x86_64_2.s: New file.
6197         * testsuite/split_x86_64_3.s: New file.
6198         * testsuite/split_x86_64_4.s: New file.
6199         * testsuite/split_x86_64_n.s: New file.
6200         * testsuite/testfile.cc (Target_test): Update relocation_section
6201         function.
6202         * testsuite/Makefile.in: Rebuild.
6203
6204 2009-10-06  Ian Lance Taylor  <iant@google.com>
6205
6206         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6207         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6208         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6209         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6210         the address on ldo_addrs_.
6211         (Target_i386::Relocate::fix_up_ldo): New function.
6212
6213 2009-10-06   Rafael Espindola  <espindola@google.com>
6214
6215         * plugin.cc (add_input_library): New.
6216         (Plugin::load): Add add_input_library to tv.
6217         (Plugin_manager::add_input_file): Add the is_lib argument.
6218         (add_input_file): Update call to Plugin_manager::add_input_file.
6219         (add_input_library): New.
6220         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6221
6222 2009-09-30  Doug Kwan  <dougkwan@google.com>
6223
6224         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6225         symbol and call Symbol::may_need_copy_reloc to determine if
6226         a copy reloc is needed.
6227         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6228         nocopyreloc is given in command line.
6229         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6230         given in command line.
6231         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6232         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6233         of the removed Target_i386::may_need_copy_reloc.
6234         * options.h (copyreloc): New option with default value false.
6235         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6236         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6237         instead of the removed Target_powerpc::may_need_copy_reloc.
6238         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6239         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6240         instead of the removed Target_sparc::may_need_copy_reloc.
6241         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6242         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6243         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6244         instead of the removed Target_x86_64::may_need_copy_reloc.
6245
6246 2009-09-30  Ian Lance Taylor  <iant@google.com>
6247
6248         * object.h (class Object): Remove target_ field, and target,
6249         sized_target, and set_target methods.
6250         (Object::sized_target): Remove.
6251         (class Sized_relobj): Update declarations.  Remove sized_target.
6252         * object.cc (Sized_relobj::setup): Remove target parameter.
6253         Change all callers.
6254         (Input_objects::add_object): Don't do anything with the target.
6255         (make_elf_sized_object): Add punconfigured parameter.  Change all
6256         callers.  Set or test parameter target.
6257         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6258         Change all callers.
6259         * parameters.cc (Parameters::set_target): Change parameter type to
6260         be non-const.
6261         (Parameters::default_target): Remove.
6262         (set_parameters_target): Change parameter type to be non-const.
6263         (parameters_force_valid_target): New function.
6264         (parameters_clear_target): New function.
6265         * parameters.h (class Parameters): Update declarations.  Remove
6266         default_target method.  Add sized_target and clear_target
6267         methods.  Change target_ to be non-const.
6268         (set_parameters_target): Update declaration.
6269         (parameters_force_valid_target): Declare.
6270         (parameters_clear_target): Declare.
6271         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6272         as NULL if we aren't searching.
6273         (Add_symbols::run): Don't check for compatible target.
6274         * fileread.cc (Input_file::open_binary): Call
6275         parameters_force_valid_target.
6276         * gold.cc (queue_middle_tasks): Likewise.
6277         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6278         set_target on object.
6279         * dynobj.h (class Sized_dynobj): Update declarations.
6280         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6281         make_elf_object returns NULL.
6282         (Archive::include_member): Don't check whether object target is
6283         compatible.
6284         * output.cc (Output_section::add_input_section): Get target from
6285         parameters.
6286         (Output_section::relax_input_section): Likewise.
6287         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6288         parameters.
6289         (Sized_relobj::do_scan_relocs): Likewise.
6290         (Sized_relobj::relocate_sections): Likewise.
6291         * resolve.cc (Symbol_table::resolve): Likewise.
6292         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6293         parameter.  Change all callers.
6294         (Symbol_table::add_from_object): Get target from parameters.
6295         (Symbol_table::add_from_relobj): Don't check object target.
6296         (Symbol_table::add_from_dynobj): Likewise.
6297         (Symbol_table::define_special_symbol): Get target from
6298         parameters.
6299         * symtab.h (class Symbol_table): Update declaration.
6300         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
6301         parameter.  Change all callers.  Clear parameter target.
6302         (Binary_test): Test target here.
6303         * testsuite/object_unittest.cc (gold_testsuite): Remove
6304         target_test_pointer parameter.  Change all callers.
6305         (Object_test): Test target here.
6306
6307 2009-09-26  Ian Lance Taylor  <iant@google.com>
6308
6309         * testsuite/initpri1.c: Don't try to use constructor priorities if
6310         compiling with gcc before 4.3.
6311
6312 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
6313
6314         * testsuite/retain_symbols_file_test.sh (check_present): Change
6315         output file name to retain_symbols_file_test.stdout.
6316         (check_absent): Likewise.
6317
6318 2009-09-18  Craig Silverstein  <csilvers@google.com>
6319
6320         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
6321         * options.cc: Include <cerrno> and <fstream>.
6322         (General_options::finalize): Parse -retain-symbols-file tag.
6323         * options.h: New flag.
6324         (General_options): New method should_retain_symbol, new
6325         variable symbols_to_retain.
6326         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
6327         should_retain_symbol map.
6328         * testsuite/Makefile.am (retain_symbols_file_test): New test.
6329         * testsuite/Makefile.in: Regenerate.
6330         * testsuite/retain_symbols_file_test.sh: New file.
6331
6332 2009-09-18  Nick Clifton  <nickc@redhat.com>
6333
6334         * po/es.po: Updated Spanish translation.
6335
6336 2009-09-17  Doug Kwan  <dougkwan@google.com>
6337
6338         * debug.h (DEBUG_RELAXATION): New constant.
6339         (DEBUG_ALL): Add DEBUG_RELAXATION.
6340         (debug_string_to_enum): Add relaxation debug option.
6341         * layout.cc
6342         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
6343         Layout::Relaxation_debug_check::read_sections,
6344         Layout::Relaxation_debug_check::read_sections): New method definitions.
6345         (Layout::Layout): Initialize data members
6346         record_output_section_data_from_scrips_,
6347         script_output_section_data_list_ and relaxation_debug_check_.
6348         (Layout::save_segments, Layout::restore_segments,
6349         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6350         Layout::relaxation_loop_body): New method definitions.
6351         (Layout::finalize): Support relaxation.  Move section layout code to
6352         Layout::relaxation_loop_body.
6353         (Layout::set_asection_address_from_script): Move code for orphan
6354         section placement out.
6355         (Layout::place_orphan_sections_in_script): New method definition.
6356         * layout.h (Output_segment_headers, Output_file_header):
6357         New forward class declarations.
6358         (Layout::~Layout): Define.
6359         (Layout::new_output_section_data_from_script): New method definition.
6360         (Layout::place_orphan_sections_in_script): New method declaration.
6361         (Layout::Segment_states): New type declaration.
6362         (Layout::save_segments, Layout::restore_segments,
6363         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6364         Layout::relaxation_loop_body): New method declarations.
6365         (Layout::Output_section_data_list): New type declaration.
6366         (Layout::Relaxation_debug_check): New class definition.
6367         (Layout::record_output_section_data_from_script_,
6368         Layout::script_output_section_data_list_, Layout::segment_states_,
6369         Layout::relaxation_debug_check_): New data members.
6370         * output.cc: (Output_section_headers::do_size): New method definition.
6371         (Output_section_headers::Output_section_headers): Move size
6372         computation to Output_section_headers::do_size.
6373         (Output_segment_headers::do_size): New method definition.
6374         (Output_file_header::Output_file_header): Move size computation to
6375         Output_file_header::do_size and call it.
6376         (Output_file_header::do_size): New method definition.
6377         (Output_data_group::Output_data_group): Adjust call to
6378         Output_section_data.
6379         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
6380         (Output_symtab_xindex::do_write): Add array bound check.
6381         (Output_section::Input_section::print_to_mapfile): Handle
6382         RELAXED_INPUT_SECTION_CODE.
6383         (Output_section::Output_section): Initialize data member checkpoint_.
6384         (Output_section::~Output_section): Delete checkpoint object pointed
6385         by checkpoint_.
6386         (Output_section::add_input_section): Always add an Input_section if
6387         relaxing.
6388         (Output_section::add_merge_input_section): Add assert.
6389         (Output_section::relax_input_section): New method definition.
6390         (Output_section::set_final_data_size): Set load address to zero for
6391         an unallocated section.
6392         (Output_section::do_address_and_file_offset_have_reset_values):
6393         New method definition.
6394         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
6395         Handle relaxed input section.
6396         (Output_section::sort_attached_input_sections): Checkpoint input
6397         section list lazily.
6398         (Output_section::get_input_sections): Change type of input_sections to
6399         list of Simple_input_section pointers.  Checkpoint input section list
6400         lazily.  Also handle relaxed input sections.
6401         (Output_section::add_input_section_for_script): Take a reference to
6402         a Simple_input_section object instead of Relobj pointer and section
6403         index as parameter.  Handle relaxed input sections.
6404         (Output_section::save_states, Output_section::restore_states): New
6405         method definitions.
6406         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
6407         (Output_data::is_data_size_fixed): New method definition.
6408         (Output_data::reset_addresss_and_file_offset): Do not reset data size
6409         if it is fixed.
6410         (Output_data::address_and_file_offset_have_reset_values): New method
6411         definition.
6412         (Output_data::do_address_and_file_offset_have_reset_values): New method
6413         definition.
6414         (Output_data::set_data_size): Check that data size is not fixed.
6415         (Output_data::fix_data_size): New method definition.
6416         (Output_data::is_data_size_fixed_): New data member.
6417         (Output_section_headers::set_final_data_size): New method definition.
6418         (Output_section_headers::do_size): New method declaration.
6419         (Output_segment_headers::set_final_data_size): New method definition.
6420         (Output_segment_headers::do_size): New method declaration.
6421         (Output_file_header::set_final_data_size)::New method definition.
6422         (Output_file_header::do_size)::New method declaration.
6423         (Output_section_data::Output_section_data): Add new parameter
6424         is_data_size_fixed and use it to fix data size.
6425         (Output_data_const::Output_data_const): Adjust call to base class
6426         constructor and fix data size.
6427         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
6428         base class constructor and fix data size.
6429         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
6430         base class constructor and fix data size.
6431         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
6432         class constructor and fix data size.
6433         (Output_data_group::set_final_data_size): New method definition.
6434         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
6435         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
6436         class constructor and fix data size.
6437         (Output_relaxed_input_section): New class definition.
6438         (Output_section::Simple_input_section): New class definition.
6439         (Output_section::get_input_sections): Adjust parameter list.
6440         (Output_section::add_input_section_for_script): Same.
6441         (Output_section::save_states, Output_section::restore_states,
6442         Output_section::do_address_and_file_offset_have_reset_values,
6443         (Output_section::Input_section::Input_section): Handle
6444         RELAXED_INPUT_SECTION_CODE.  Add new overload for
6445         Output_relaxed_input_section.
6446         (Output_section::Input_section::is_input_section,
6447         Output_section::Input_section::set_output_section): Handle relaxed
6448         input section.
6449         (Output_section::Input_section::is_relaxed_input_section,
6450         Output_section::Input_section::output_section_data,
6451         Output_section::Input_section::relaxed_input_section): New method
6452         definitions.
6453         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
6454         value.
6455         (Output_section::Input_section::u1_): Update comments.
6456         (Output_section::Input_section::u2_): Add new union member poris.
6457         (Output_section::Checkpoint_output_section): New classs definition.
6458         (Output_section::relax_input_section): New method declaration.
6459         (Output_section::checkpoint_): New data member.
6460         (Output_segment): Update comments.
6461         (Output_segment::Output_segment): Un-privatize copy constructor.
6462         (Output_segment::operator=): Un-privatize.
6463         * script-sections.cc (Output_section_element::Input_section_list):
6464         Change element type to Output_section::Simple_input_section.
6465         (Output_section_element_dot_assignment::set_section_addresses):
6466         Register output section data for relaxation clean up.
6467         (Output_data_exression::Output_data_expression): Adjust call to base
6468         constructor to fix data size.
6469         (Output_section_element_data::set_section_addresses): Register
6470         Output_data_expression object for relaxation clean up.
6471         (struct Input_section_info): Replace Relobj pointer and section index
6472         pair with Output_section::Simple_input_section and Convert struct to a
6473         class.
6474         (Input_section_sorter::operator()): Adjust access to
6475         Input_section_info data member to use accessors.
6476         (Output_section_element_input::set_section_addresses): Use layout
6477         parameter.  Adjust code to use Output_section::Simple_input_section
6478         and Input_secction_info classes.  Register filler for relaxation
6479         clean up.
6480         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
6481         and section index pair with Output_section::Simple_input_section
6482         class.  Adjust code accordingly.
6483         (Phdrs_element::release_segment): New method definition.
6484         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
6485         segment list.
6486         (Script_sections::release_segments): New method definition.
6487         * gold/script-sections.h (Script_sections::release_segments): New
6488         method declaration.
6489         * gold/target.h (Target::may_relax, Target::relax,
6490         Target::do_may_relax, Target::do_relax): New method definitions.
6491
6492 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6493
6494         * arm.cc (has_signed_unsigned_overflow): New function.
6495         (Arm_relocate_functions::abs8): New function.
6496         (Target_arm::Scan::local): Handle R_ARM_ABS8.
6497         (Target_arm::Scan::global): Likewise.
6498         (Target_arm::relocate::relocate): Likewise.
6499         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6500         Likewise.
6501
6502 2009-09-16  Cary Coutant  <ccoutant@google.com>
6503
6504         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
6505         * testsuite/Makefile.in: Regenerate.
6506
6507 2009-09-11  Nick Clifton  <nickc@redhat.com>
6508
6509         * po/gold.pot: Updated by the Translation project.
6510
6511 2009-09-08  Cary Coutant  <ccoutant@google.com>
6512
6513         * output.cc (Output_file::open): Add execute permission to empty file.
6514         * testsuite/Makefile.am (permission_test): New test.
6515         * testsuite/Makefile.in: Regenerate.
6516
6517 2009-09-02  Ian Lance Taylor  <iant@google.com>
6518
6519         * output.cc (Output_file::resize): Call map_no_anonymous rather
6520         than map.
6521
6522 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
6523
6524         * gold.cc: Include "incremental.h".
6525         (queue_initial_tasks): Call Incremental_checker methods.
6526         * incremental.cc: Include "output.h".
6527         (Incremental_checker::can_incrementally_link_output_file): New
6528         method.
6529         * incremental.h (Incremental_checker): New class.
6530
6531         * output.cc (Output_file::open_for_modification): New method.
6532         (Output_file::map_anonymous): Changed return type to bool.  Record
6533         map in base_ field.
6534         (Output_file::map_no_anonymous): New method, broken out of map.
6535         (Output_file::map): Use map_no_anonymous and map_anonymous.
6536         * output.h (class Output_file): Update declarations.
6537
6538 2009-08-24  Cary Coutant  <ccoutant@google.com>
6539
6540         * options.h (Command_line::Pre_options): New class.
6541         (Command_line::pre_options): New member.
6542         * options.cc (gold::options::ready_to_register): New variable.
6543         (One_option::register_option): Do nothing if not registering options.
6544         Assert if same short option registered twice.
6545         (General_options::General_options): Turn off option registration when
6546         done constructing.
6547         (Command_line::Pre_options::Pre_options): New constructor.
6548
6549 2009-08-24  Cary Coutant  <ccoutant@google.com>
6550
6551         * options.h (General_options::no_keep_memory): Remove incorrect
6552         short option.
6553
6554 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6555
6556         * Makefile.am (am__skiplex, am__skipyacc): New.
6557         * Makefile.in: Regenerate.
6558
6559 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6560
6561         * Makefile.am (AM_CPPFLAGS): Renamed from ...
6562         (INCLUDES): ... this.
6563         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
6564         (AM_CPPFLAGS): Renamed from ...
6565         (INCLUDE): ... this.
6566         * Makefile.in, testsuite/Makefile.in: Regenerate.
6567
6568         * Makefile.in: Regenerate.
6569         * aclocal.m4: Likewise.
6570         * config.in: Likewise.
6571         * configure: Likewise.
6572         * testsuite/Makefile.in: Likewise.
6573
6574         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6575         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6576         * Makefile.in: Regenerate.
6577         * testsuite/Makefile.in: Regenerate.
6578
6579 2009-08-19  Cary Coutant  <ccoutant@google.com>
6580
6581         * resolve.cc (Symbol_table::resolve): Don't complain about defined
6582         symbols in shared libraries overridden by hidden or internal symbols
6583         in the main program.
6584
6585 2009-08-19  Chris Demetriou  <cgd@google.com>
6586
6587         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
6588         checking source file names in error messages.
6589
6590 2009-08-18  Doug Kwan  <dougkwan@google.com>
6591
6592         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
6593         an elcpp::Ehdr as parameter.  Adjust call to set_target.
6594         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
6595         an elfcpp::Ehdr as parameter.
6596         * object.cc (Object::set_target): Remove the version that looks up
6597         a target and sets it.
6598         (Sized_relobj::setup): Take a Target object instead of
6599         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
6600         (make_elf_sized_object): Find target and ask target to
6601         make an ELF object.
6602         * object.h: (Object::set_target): Remove the version that looks up
6603         a target and sets it.
6604         (Sized_relobj::setup): Take a Target object instead of
6605         an elfcpp:Ehdr as parameter.
6606         * target.cc: Include dynobj.h.
6607         (Target::do_make_elf_object_implementation): New.
6608         (Target::do_make_elf_object): New.
6609         * target.h (Target::make_elf_object): New template declaration.
6610         (Target::do_make_elf_object): New method declarations.
6611         (Target::do_make_elf_object_implementation): New template declaration.
6612
6613 2009-08-14  Ian Lance Taylor  <iant@google.com>
6614
6615         * gold.h (FUNCTION_NAME): Define.
6616         (gold_unreachable): Use FUNCTION_NAME.
6617
6618 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6619
6620         * icf.cc (Icf::find_identical_sections): Issue a warning when a
6621         symbol in the --keep-unique list is not found.
6622
6623 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6624
6625         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
6626         been maked as --keep-unique.
6627         (Icf::unfold_section): New function.
6628         * icf.h (Icf::unfold_section): New function.
6629         * options.h (General_options::keep_unique): New option.
6630         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
6631         * testsuite/Makefile.in: Regenerate.
6632         * testsuite/icf_keep_unique_test.sh: New file.
6633         * testsuite/icf_keep_unique_test.cc: New file.
6634
6635 2009-08-12  Cary Coutant  <ccoutant@google.com>
6636
6637         PR 10471
6638         * resolve.cc (Symbol_table::resolve): Check for references from
6639         dynamic objects to hidden and internal symbols.
6640         * testsuite/Makefile.am (hidden_test.sh): New test.
6641         * testsuite/Makefile.in: Regenerate.
6642         * testsuite/hidden_test.sh: New script.
6643         * testsuite/hidden_test_1.c: New test source.
6644         * testsuite/hidden_test_main.c: New test source.
6645
6646 2009-08-11  Doug Kwan  <dougkwan@google.com>
6647
6648         * arm.cc: Update comments.
6649         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
6650         segment to locate the .ARM.exidx section if present.
6651
6652 2009-08-09  Doug Kwan  <dougkwan@google.com>
6653
6654         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
6655         patch.
6656
6657 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
6658         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
6659         compiler warnings.
6660
6661 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
6662
6663         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
6664         valid tls_segment only for non-debug-section relocations.
6665         * testsuite/Makefile.am: Add gc_tls_test.
6666         * testsuite/Makefile.in: Regenerate.
6667         * testsuite/gc_tls_test.cc: New file.
6668         * testsuite/gc_tls_test.sh: New file.
6669
6670 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
6671
6672         * icf.cc: New file.
6673         * icf.h: New file.
6674         * Makefile.am (CCFILES): Add icf.cc.
6675         (HFILES): Add icf.h
6676         * Makefile.in: Regenerate.
6677         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
6678         * gc.h (gc_process_relocs): Populate lists used by icf to contain
6679         section, symbol and addend information for the relocs.
6680         * gold.cc (queue_middle_tasks): Call identical code folding.
6681         * gold.h: Add defines for multimap.
6682         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
6683         to the call of finalize_local_symbols.
6684         * main.cc (main): Create object of class Icf.
6685         * object.cc (Sized_relobj::do_layout): Allow this function to be
6686         called twice during icf.
6687         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
6688         to sections marked as identical by icf.
6689         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
6690         when available.
6691         (Sized_relobj::do_section_entsize): New function.
6692         * object.h (Object::section_entsize): New function.
6693         (Object::do_section_entsize): New pure virtual function.
6694         (Relobj::finalize_local_symbols): Add new parameter.
6695         (Relobj::do_section_entsize): New function.
6696         * options.h (General_options::icf): New option.
6697         (General_options::icf_iterations): New option.
6698         (General_options::print_icf_sections): New option.
6699         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
6700         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
6701         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
6702         icf.
6703         * symtab.cc (Symbol_table::is_section_folded): New function.
6704         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6705         to sections marked as identical by icf.
6706         * symtab.h (Symbol_table::set_icf): New function.
6707         (Symbol_table::icf): New function.
6708         (Symbol_table::is_section_folded): New function.
6709         (Symbol_table::icf_): New data member.
6710         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6711         * testsuite/Makefile.am: Add commands to build icf_test.
6712         * testsuite/Makefile.in: Regenerate.
6713         * testsuite/icf_test.sh: New file.
6714         * testsuite/icf_test.cc: New file.
6715
6716 2009-07-24  Chris Demetriou  <cgd@google.com>
6717
6718         * layout.cc (is_compressible_debug_section): Fix incorrect
6719         comment about compressed section names.
6720
6721 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6722
6723         PR 10419
6724         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6725
6726 2009-07-16  Ian Lance Taylor  <iant@google.com>
6727
6728         PR 10400
6729         * layout.h: #include <map>.
6730         (class Kept_section): Change from struct to class.  Add accessors
6731         and setters.  Add section size to Comdat_group mapping.  Change
6732         Comdat_group to std::map.  Add is_comdat_ field.  Add
6733         linkonce_size field in union.
6734         (class Layout): Update declaration of find_or_add_kept_section.
6735         Don't declare find_kept_object.
6736         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6737         parameter.  Add object, shndx, is_comdat, and is_group_name
6738         parameters.  Change all callers.  Adjust for new Kept_section.
6739         (Layout::find_kept_object): Remove.
6740         * object.cc (Sized_relobj::include_section_group): Update use of
6741         Kept_section.  Rename secnum to shndx.  Only record
6742         Kept_comdat_section if sections are the same size.
6743         (Sized_relobj::include_linkonce_section): Update use of
6744         Kept_section.  Only record Kept_comdat_section if sections are the
6745         same size.  Set size of linkonce section.
6746         (Sized_relobj::map_to_kept_section): Update call to
6747         get_kept_comdat_section.
6748         * object.h (class Sized_relobj): Rename fields in
6749         Kept_comdat_section to drop trailing underscores; change object
6750         field to Relobj*.  Change Kept_comdat_section_table to store
6751         struct rather than pointer.
6752         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6753         Add kept_object and kept_shndx parameters.  Change all callers.
6754         (Sized_relobj::get_kept_comdat_section): Change return type to
6755         bool.  Add kept_object and kept_shndx parameters.  Change all
6756         callers.
6757         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6758         Layout::find_or_add_kept_section.
6759
6760 2009-07-09  Ian Lance Taylor  <iant@google.com>
6761
6762         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6763         Reserve space in the hash table.
6764
6765 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6766
6767         * fileread.cc (File_read::get_mtime): New method.
6768         * fileread.h (Timespec): New structure.
6769         (File_read::get_mtime): New method.
6770         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6771         Renamed from timestamp_nsec.
6772         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6773         Elf_Xword.
6774         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6775         timestamp_nsec.
6776         (Incremental_inputs::report_archive): Save mtime; style fix.
6777         (Incremental_inputs::report_obejct): Save mtime; style fix.
6778         (Incremental_inputs::report_script): Save mtime; style fix.
6779         (Incremental_inputs::finalize_inputs): Style fix.
6780         (Incremental_inputs::finalize): Style fix.
6781         (Incremental_inputs::create_input_section_data): Store inputs
6782         mtime.
6783         * incremental.h (Incremental_inputs::report_script): Add mtime
6784         argument.
6785         (Incremental_inputs::Input_info::Input_info): Intialize only one
6786         union member.
6787         (Incremental_inputs::Input_info::archive): Move to nameless
6788         union.
6789         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6790         (Incremental_inputs::Input_info::script): Move to nameless union.
6791         (Incremental_inputs::mtime): New field.
6792         * script.cc (read_input_script): Pass file mtime to
6793         Incremental_input.
6794         * script.h (Script_info::inputs): Style fix.
6795
6796 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6797
6798         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6799         instead of 32.
6800
6801 2009-06-24  Ian Lance Taylor  <iant@google.com>
6802
6803         PR 10156
6804         * layout.cc (Layout::choose_output_section): If we find an
6805         existing section, update the flags.
6806         (Layout::create_notes): New function, broken out of
6807         Layout::finalize.
6808         (Layout::finalize): Don't create note sections.
6809         (Layout::create_note): Don't crash if linker script discards
6810         section.
6811         (Layout::create_gold_note): Likewise.
6812         (Layout::create_build_id): Likewise.  Don't set
6813         after_input_sections on the section.
6814         (Layout::create_executable_stack_info): Remove target parameter.
6815         Change caller.
6816         * layout.h (class Layout): Declare create_notes.  Update
6817         declaration of create_executable_stack_info.
6818         * gold.cc (queue_middle_tasks): Call create_notes.
6819         * output.cc (Output_section::update_flags_for_input_section): Move
6820         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6821         invalid.
6822         * output.h (Output_data::mark_address_invalid): New function.
6823         (class Output_section): Only declare, not define,
6824         update_flags_for_input_section.  Remove set_flags.
6825
6826 2009-06-24  Ian Lance Taylor  <iant@google.com>
6827
6828         * script-sections.cc (Output_section_definition::
6829         set_section_addresses): Rename shadowing local load_address to
6830         laddr.
6831
6832 2009-06-24  Ian Lance Taylor  <iant@google.com>
6833
6834         PR 10244
6835         * reloc.cc (relocate_sections): Skip empty relocation sections.
6836
6837 2009-06-23  Ian Lance Taylor  <iant@google.com>
6838
6839         PR 10156
6840         * layout.cc (Layout::create_note): Use choose_output_section
6841         rather than make_output_section.
6842
6843 2009-06-23  Ian Lance Taylor  <iant@google.com>
6844
6845         PR 10237
6846         * options.cc (General_options::parse_V): Set printed_version_.
6847         (General_options::General_options): Initialize printed_version_.
6848         * options.h (class General_options): Add printed_version_ field.
6849         * gold.cc (queue_initial_tasks): If there are no input files,
6850         don't give a fatal error if we printed the version information.
6851         (queue_middle_tasks): If using -r with a shared object, give a
6852         fatal error rather than an ordinary error.
6853
6854 2009-06-23  Ian Lance Taylor  <iant@google.com>
6855
6856         PR 10219
6857         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6858         (Layout::make_output_section): Set have_stabstr_section_ if we see
6859         a .stab*str section.
6860         (Layout::finalize): Call link_stabs_sections.
6861         (Layout::link_stabs_sections): New file.
6862         * layout.h (class Layout): Add have_stabstr_section_ field.
6863         Declare link_stabs_sections.
6864
6865 2009-06-23  Doug Kwan  <dougkwan@google.com>
6866
6867         * Makefile.am (libgold_a_LIBADD): New.
6868         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6869         * Makefile.in: Regenerate.
6870         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6871         * configure: Regenerate.
6872         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6873         * fileread.cc: Include sys/state.h
6874         * gold.h: Declare memmem and strndup if found missing.
6875         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6876
6877 2009-06-23  Ian Lance Taylor  <iant@google.com>
6878
6879         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6880         * configure: Rebuild.
6881
6882 2009-06-23  Ian Lance Taylor  <iant@google.com>
6883
6884         PR 10147
6885         * object.cc (Object::section_contents): Don't try to get a view if
6886         the section has length zero.
6887         (Object::handle_gnu_warning_section): If the section is empty, use
6888         the name of the section as the warning.
6889
6890 2009-06-23  Ian Lance Taylor  <iant@google.com>
6891
6892         PR 10133
6893         * stringpool.h (class Stringpool_template): Add optimize_ field.
6894         (Stringpool_template::set_optimize): New function.
6895         * stringpool.cc (Stringpool_template::Stringpool_template):
6896         Initialize optimize_ field.
6897         (Stringpool_template::set_string_offsets): Test local optimize
6898         fild rather than parameter.
6899         * layout.cc (Layout::Layout): Call set_optimize on the section
6900         name stringpool.
6901
6902 2009-06-22  Ian Lance Taylor  <iant@google.com>
6903
6904         PR 10030
6905         * yyscript.y: Parse TARGET.
6906         * script.cc (script_set_target): New function.
6907         * script-c.h (script_set_target): Declare.
6908         * options.cc (General_options::string_to_object_format): Rename
6909         from string_to_object_format in anonymous namespace.  Change
6910         callers.
6911         * options.h (class General_options): Declare
6912         string_to_object_format.
6913
6914 2009-06-22  Ian Lance Taylor  <iant@google.com>
6915
6916         * script-sections.cc (Script_sections::create_segments): Don't put
6917         program headers in a PT_LOAD segment if -n or -N.
6918
6919 2009-06-22  Ian Lance Taylor  <iant@google.com>
6920
6921         PR 10141
6922         * options.h (class General_options): Add -z lazy and -z now.  Sort
6923         -z options into alphabetical order.
6924         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6925
6926 2009-06-21  Ian Lance Taylor  <iant@google.com>
6927
6928         * layout.cc (Layout::make_output_section): Call
6929         Target::new_output_section.
6930         (Layout::attach_allocated_section_to_segment): Put large section
6931         sections in a separate load segment with the large segment flag
6932         set.
6933         (Layout::segment_precedes): Sort large data segments after other
6934         load segments.
6935         (align_file_offset): New static function.
6936         (Layout::set_segment_offsets): Use align_file_offset.
6937         * output.h (class Output_section): Add is_small_section_ and
6938         is_large_section_ fields.
6939         (Output_section::is_small_section): New function.
6940         (Output_section::set_is_small_section):  New function.
6941         (Output_section::is_large_section): New function.
6942         (Output_section::set_is_large_section): New function.
6943         (Output_section::is_large_data_section): New function.
6944         (class Output_segment): Add is_large_data_segment_ field.
6945         (Output_segment::is_large_data_segment): New function.
6946         (Output_segment::set_is_large_data_segment): New function.
6947         * output.cc (Output_section::Output_section): Initialize new
6948         fields.
6949         (Output_segment::Output_segment): Likewise.
6950         (Output_segment::add_output_section): Add assertion that large
6951         data sections always go in large data segments.  Force small data
6952         sections to the end of the list of data sections.  Force small BSS
6953         sections to the start of the list of BSS sections.  For large BSS
6954         sections to the end of the list of BSS sections.
6955         * symtab.h (class Symbol): Declare is_common_shndx.
6956         (Symbol::is_defined): Check Symbol::is_common_shndx.
6957         (Symbol::is_common): Likewise.
6958         (class Symbol_table): Define enum Commons_section_type.  Update
6959         declarations.  Add small_commons_ and large_commons_ fields.
6960         * symtab.cc (Symbol::is_common_shndx): New function.
6961         (Symbol_table::Symbol_table): Initialize new fields.
6962         (Symbol_table::add_from_object): Put small and large common
6963         symbols in the right list.
6964         (Symbol_table::sized_finalized_symbol): Check
6965         Symbol::is_common_shndx.
6966         (Symbol_table::sized_write_globals): Likewise.
6967         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6968         common symbol lists.  Don't call do_allocate_commons_list if the
6969         list is empty.
6970         (Symbol_table::do_allocate_commons_list): Remove is_tls
6971         parameter.  Add comons_section_type parameter.  Change all
6972         callers.  Handle small and large common symbols.
6973         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6974         Symbol::is_common_shndx.
6975         * resolve.cc (symbol_to_bits): Likewise.
6976         * target.h (Target::small_common_shndx): New function.
6977         (Target::small_common_section_flags): New function.
6978         (Target::large_common_shndx): New function.
6979         (Target::large_common_section_flags): New function.
6980         (Target::new_output_section): New function.
6981         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6982         small_common_section_flags, and large_common_section_flags
6983         fields.
6984         (Target::do_new_output_section): New virtual function.
6985         * arm.cc (Target_arm::arm_info): Initialize new fields.
6986         * i386.cc (Target_i386::i386_info): Likewise.
6987         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6988         Likewise.
6989         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6990         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6991         (Target_x86_64::do_new_output_section): New function.
6992         * configure.ac: Define conditional MCMODEL_MEDIUM.
6993         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6994         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6995         (large_LDFLAGS): Define.
6996         * testsuite/large.c: New file.
6997         * testsuite/testfile.cc (Target_test::test_target_info):
6998         Initialize new fields.
6999         * configure, testsuite/Makefile.in: Rebuild.
7000
7001 2009-06-05  Doug Kwan  <dougkwan@google.com>
7002
7003         * Makefile.am (CCFILES): Add target.cc.
7004         * Makefile.in: Regenerate.
7005         * i386.cc (class Target_i386): Define new virtual method to
7006         override do_is_local_label_name in parent.
7007         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7008         local symbols if --discard-locals or -X is given.
7009         * options.h (class General_options): Declare new options
7010         '--discard-locals' and '-X' for discarding locals.
7011         * target.h (class Target): Define new methods is_local_label_name.
7012         Declare new virtual method do_is_local_label_name.
7013         * target.cc: New file.
7014         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7015         (check_SCRIPTS): Add discard_locals_test.sh.
7016         (check_DATA): Add discard_local_tests.syms.
7017         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7018         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7019         * testsuite/Makefile.in: Regenerate.
7020         * testsuite/discard_locals_test.c: New file.
7021         * testsuite/discard_locals_test.sh: Same.
7022
7023 2009-06-05  Doug Kwan  <dougkwan@google.com>
7024
7025         * object.cc (Sized_relobj::Sized_relobj): Initialize
7026         discarded_eh_frame_shndx_ to -1U.
7027         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7028         section.
7029         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7030         a discarded .eh_frame section.
7031         (Sized_relobj::do_finalize_local_symbols): Ditto.
7032         * object.h (class Sized_relobj): Declare new member
7033         discarded_eh_frame_shndx_.
7034         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7035         (local_labels_test.o, local_labels_test): New rules.
7036         * testsuite/Makefile.in: Regenerate.
7037
7038 2009-06-04  Doug Kwan  <dougkwan@google.com>
7039
7040         * layout.cc (Layout::section_name_mapping): Add mapping for
7041         special ARM sections.
7042
7043 2009-06-03  Doug Kwan  <dougkwan@google.com>
7044
7045         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7046         (utils::has_overflow): Same.
7047
7048 2009-06-03  Ian Lance Taylor  <iant@google.com>
7049
7050         * layout.cc (Layout::section_name_mapping): New array, replacing
7051         Layout::linkonce_mapping.
7052         (Layout::section_name_mapping_count): New variable, replacing
7053         Layout::linkonce_mapping_count.
7054         (Layout::linkonce_output_name): Remove.
7055         (Layout::output_section_name): Rewrite.
7056         * layout.h (class Layout): Rename Linkonce_mapping to
7057         Section_name_mapping, linkonce_mapping to section_name_mapping,
7058         linkonce_mapping_count to section_name_mapping_count.  Don't
7059         declare linkonce_output_name.
7060
7061 2009-06-03  Doug Kwan  <dougkwan@google.com>
7062
7063         * gold/arm.cc (namespace utils): New.
7064         (Target_arm::reloc_is_non_pic): Define new method.
7065         (class Arm_relocate_functions): New.
7066         (Target_arm::Relocate::relocate): Handle relocation types used by
7067         Android.
7068
7069 2009-06-03  Ian Lance Taylor  <iant@google.com>
7070
7071         * arm.cc (Target_arm::scan::global): Use || instead of |.
7072
7073 2009-06-02  Doug Kwan  <dougkwan@google.com>
7074
7075         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7076         issued_non_pic_error_.
7077         (class Target_arm::Scan): Declare new method check_non_pic.
7078         Define new method symbol_needs_plt_entry.
7079         Declare new data member issued_non_pic_error_.
7080         (class Target_arm::Relocate): Declare new method
7081         should_apply_static_reloc.
7082         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7083         (Target_arm::Scan::check_non_pic): Define new method.
7084         (Target_arm::Scan::local): Handle a small subset of reloc types used
7085         by Android.
7086         (Target_arm::Scan::local): Same.
7087         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7088
7089 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7090
7091         * incremental.cc (Incremental_inputs::report_command_line): Filter
7092         out --incremental-* options.
7093
7094 2009-05-29  Doug Kwan  <dougkwan@google.com>
7095
7096         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7097         template class.
7098         (class Target_arm): Update comment.
7099         (Target_arm::Target_arm): Initialize new data members GOT_,
7100         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7101         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7102         and Target_arm::rel_dyn_section.
7103         Declare new_enum Target_arm::Got_type.
7104         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7105         and DYNBSS_.
7106         Update commments for member do_dynsym_value.
7107         (Target_arm::got_size, Target_arm::plt_section,
7108         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7109         new methods inside class defintion.
7110         (Target_arm::got_section): Define new method.
7111         (Target_arm::rel_dyn_section): Same.
7112         (Output_data_plt_arm): New template class.
7113         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7114         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7115         (Output_data_plt_arm::add_entry): Same.
7116         (Output_data_plt_arm::first_plt_entry): Define new
7117         static data member for PLT instruction template.
7118         (Output_data_plt_arm::plt_entry): Same.
7119         (Output_data_plt_arm::do_write): Define new method.
7120         (Target_arm::make_plt_entry): Same.
7121         (Target_arm::do_finalize_sections): Same.
7122         (Target_arm::do_dynsym_value): Same.
7123
7124 2009-05-28  Doug Kwan  <dougkwan@google.com>
7125
7126         * Makefile.am (TARGETSOURCES): Add arm.cc.
7127         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7128         * Makefile.in: Regenerate.
7129         * arm.cc: New file.
7130         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7131
7132 2009-05-26  Doug Kwan  <dougkwan@google.com>
7133
7134         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7135         (General_options::check_excluded_libs): Strip off directories in
7136         archive name before matching like GNU ld does.
7137         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7138         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7139         (exclude_libs_test_LDFLAGS): Add linker option
7140         -Wl,--exclude-libs,libexclude_libs_test_3
7141         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7142         an explicit archive without using -l.
7143         (alt/libexclude_libs_test_3.a): New make rule.
7144         * testsuite/Makefile.in: Regenerate.
7145         * testsuite/exclude_libs_test.c : Declare lib3_default().
7146         (main): Call it.
7147         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7148         * exclude_libs_test_3.c: New file.
7149
7150 2009-05-26  Nick Clifton  <nickc@redhat.com>
7151
7152         * po/id.po: New Indonesian translation.
7153         * po/gold.pot: Updated template file.
7154
7155 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7156
7157         * testsuite/Makefile.am: Add -ffunction-sections to compile
7158         gc_comdat_test files.  Add -Wl,--gc-sections to build
7159         gc_comdat_test.
7160         * testsuite/Makefile.in: Regenerate.
7161         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7162
7163 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7164
7165         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7166         kept comdat section was garbage collected.
7167         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7168         * testsuite/Makefile.in: Regenerate.
7169         * testsuite/gc_comdat_test.sh: New file.
7170         * testsuite/gc_comdat_test_1.cc: New file.
7171         * testsuite/gc_comdat_test_2.cc: New file.
7172
7173 2009-05-19  Doug Kwan  <dougkwan@google.com>
7174
7175         * archive.cc (Archive::Archive): Move constructor from archive.h
7176         to here.  Initialize no_export_.
7177         (Archive::get_elf_object_for_member): Set no_export flag of object.
7178         * archive.h (Archive::Archive): Move constructor body to
7179         archive.cc.
7180         (Archive::no_export): New method.
7181         (Archive::no_export_): New field.
7182         * object.h (Object::Object): Initialize no_export_ to false.
7183         (Object::no_export, Object::set_no_export): New methods.
7184         (Object::no_export_): New field.
7185         * options.cc (General_options::parse_exclude_libs): New method.
7186         (General_options::check_excluded_libs) Same.
7187         * options.h (exclude_libs): New option.
7188         (General_options::check_excluded_libs): New method declaration.
7189         (General_options::excluded_libs_): New field.
7190         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7191         default or protected visibility if an object has no-export flag set.
7192         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7193         (check_SCRIPTS): Add exclude_libs_test.sh.
7194         (check_DATA): Add exclude_libs_test.syms.
7195         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7196         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7197         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7198         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7199         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7200         libexclude_libs_test_2.a): New rules.
7201         * testsuite/Makefile.in: Regenerate.
7202         * testsuite/exclude_libs_test.c: New file.
7203         * testsuite/exclude_libs_test.sh: Ditto.
7204         * testsuite/exclude_libs_test_1.c: Ditto.
7205         * testsuite/exclude_libs_test_2.c: Ditto.
7206
7207 2009-05-15  Ian Lance Taylor  <iant@google.com>
7208
7209         * configure.ac: Check for declarations for cases where libiberty.h
7210         checks HAVE_DECL_xxx.
7211         * configure, config.in: Rebuild.
7212
7213 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7214
7215         * gold.h (Incremental_argument_list): Remove (invalid) forward
7216         declaration.
7217         * incremental.cc (Incremental_inputs::report_achive): New method.
7218         (Incremental_inputs::report_object): New method.
7219         (Incremental_inputs::report_script): New method.
7220         (Incremental_inputs::finalize_inputs): New method.
7221         (Incremental_inputs::finalize): Call finalize_inputs().
7222         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7223         Create inputs entries.
7224         * incremental.h (Incremental_input_type): New enum.
7225         (Incremental_inputs::Incremental_input): Initialize new fields.
7226         (Incremental_inputs::report_inputs): New method.
7227         (Incremental_inputs::report_achive): New method.
7228         (Incremental_inputs::report_object): New method.
7229         (Incremental_inputs::report_script): New method.
7230         (Incremental_inputs::finalize_inputs): New method.
7231         (Incremental_inputs::Input_info): New struct.
7232         (Incremental_inputs::Input_info_map): New typedef.
7233         (Incremental_inputs::lock_): New field.
7234         (Incremental_inputs::Inputs_): New field.
7235         (Incremental_inputs::Inputs_map): New field.
7236         * main.cc (main): Call Incremental_input::report_inputs.
7237         * options.h (Input_argument_list): Typedef moved from
7238         Input_arguments.
7239         (Input_file_group::Files): Remove, use ::Input_argument_list.
7240         (Input_file_group::Input_argument_list): Remove, use
7241         ::Input_argument_list.
7242         * plugin.cc (Plugin_manager::add_input_file): Add error in
7243         incremental build.
7244         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7245         functions.
7246         * script.cc (read_input_script): Call
7247         Incremental_input::report_script.
7248         * script.h (Script_info): New class.
7249
7250 2009-04-27  Ian Lance Taylor  <iant@google.com>
7251
7252         * x86_64.cc (do_adjust_output_section): Set entsize to
7253         plt_entry_size.
7254
7255 2009-04-23  Elliott Hughes  <enh@google.com>
7256
7257         * output.cc (Output_file::close): After short writes, continue
7258         writing from the correct offset in the buffer being written.
7259
7260 2009-04-23  Chris Demetriou  <cgd@google.com>
7261
7262         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7263         * configure: Regenerate.
7264         * config.in: Regenerate.
7265         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7266         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7267
7268 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7269
7270         * incremental.cc (Incremental_inputs_header_data): Renamed from
7271         Incremental_input_header_data.
7272         (Incremental_inputs_header_data::data_size): New field.
7273         (Incremental_inputs_header_data::put_input_file_count): Renamed
7274         from input_file_count.
7275         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7276         from command_line_offset.
7277         (Incremental_inputs_header_data::put_reserved): Renamed from
7278         put_reserved.
7279         (Incremental_inputs_entry_data): Renamed from
7280         Incremental_input_entry_data.
7281         (Incremental_inputs_entry_data::data_size): New field.
7282         (Incremental_inputs::report_command_line): New method.
7283         (Incremental_inputs::finalize): New method.
7284         (Incremental_inputs::create_incremental_inputs_data): New method.
7285         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7286         * incremental.h: New file.
7287         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7288        (Layout::finalize): Create incremental inputs section in
7289         incremental builds.
7290        (Layout::create_incremental_info_sections): New method.
7291         * layout.h (Layout::incremental_inputs): New method.
7292        (Layout::create_incremental_info_sections): New method.
7293        (Layout::incremental_inputs_): New field.
7294         * main.cc (main): Notify Incremental_input of the command line.
7295
7296 2009-04-01  Ian Lance Taylor  <iant@google.com>
7297             Mikolaj Zalewski  <mikolajz@google.com>
7298
7299         * gold.h (reserve_unordered_map): Define, three versions, one for
7300         each version of Unordered_map.
7301         * layout.cc (Layout::Layout): Remove options parameter.  Add
7302         number_of_input_files parameter.  Don't initialize options_.
7303         Initialize number_of_input_files_ and resized_signatures_.  Move
7304         sections_are_attached_.
7305         (Layout::layout_group): Reserve space for group_signatures_.
7306         (Layout::find_or_add_kept_section): Change name parameter to be a
7307         reference.  Resize signatures_ map when it gets large enough.
7308         (Layout::layout_eh_frame): Use parameters->options() instead of
7309         this->options_.
7310         (Layout::make_output_section): Likewise.
7311         (Layout::attach_allocated_section_to_segment): Likewise.
7312         (Layout::finalize, Layout::create_executable_stack): Likewise.
7313         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
7314         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
7315         * layout.h (class Layout): Update declarations.  Remove options_
7316         field.  Add number_of_input_files_ and resized_signatures_
7317         fields.  Move sections_are_attached_ field.
7318         * main.cc (main): Pass number of input files to Layout
7319         constructor.  Don't pass options.
7320
7321 2009-03-30  Ian Lance Taylor  <iant@google.com>
7322
7323         * ffsll.c (ffsll): Correct implementation.
7324
7325 2009-03-27  Ian Lance Taylor  <iant@google.com>
7326
7327         * ffsll.c: New file.
7328         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
7329         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
7330         * ftruncate.c (ftruncate): Declare before definition.
7331         * mremap.c (mremap): Likewise.
7332         * pread.c (pread): Likewise.
7333         * configure, Makefile.in, config.in: Rebuild.
7334
7335         * mremap.c: New file.
7336         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
7337         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
7338         (mremap): Declare if HAVE_MREMAP is not defined.
7339         * configure, Makefile.in, config.in: Rebuild.
7340
7341 2009-03-27  Cary Coutant  <ccoutant@google.com>
7342
7343         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
7344         position independent.
7345         * sparc.cc (Target_sparc::check_non_pic): Likewise.
7346         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
7347
7348 2009-03-24  Cary Coutant  <ccoutant@google.com>
7349
7350         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
7351         an executable.
7352         (needs_dynamic_reloc): Likewise.
7353
7354 2009-03-24  Ian Lance Taylor  <iant@google.com>
7355
7356         * yyscript.y (file_cmd): Recognize EXTERN.
7357         (extern_name_list, extern_name_list_body): New nonterminals.
7358         * script.cc (script_add_extern): Define.
7359         * script-c.h (script_add_extern): Declare.
7360
7361 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
7362
7363         * object.cc (is_elf_object): Define.
7364         * object.h (is_elf_object): Declare.
7365         * archive.cc (Archive::get_elf_object_for_member): Call
7366         is_elf_object.
7367         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
7368
7369 2009-03-24  Elliott Hughes  <enh@google.com>
7370
7371         * output.cc (Output_file::map_anonymous): Define.
7372         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
7373         try an anonymous one.  Report the size if the mmap fails.
7374         * output.h (class Output_file): Declare map_anonymous.
7375
7376 2009-03-24  Ian Lance Taylor  <iant@google.com>
7377
7378         * target-select.cc (instantiate_target): Don't acquire the lock if
7379         the instantiated_target_ field has already been set.
7380
7381 2009-03-23  Ian Lance Taylor  <iant@google.com>
7382
7383         * gold-threads.h (class Initialize_lock): Define.
7384         * gold-threads.cc (class Initialize_lock_once): Define.
7385         (initialize_lock_control): New static variable.
7386         (initialize_lock_pointer): New static variable.
7387         (initialize_lock_once): New static function.
7388         (Initialize_lock::Initialize_lock): Define.
7389         (Initialize_lock::initialize): Define.
7390         * target-select.h: Include "gold-threads.h".
7391         (class Target_selector): Add lock_ and initialize_lock_ fields.
7392         Don't define instantiate_target, just declare it.
7393         * target-select.cc (Target_selector::Target_selector): Initialize
7394         new fields.
7395         (Target_selector::instantiate_target): Define.
7396         * descriptors.h: Include "gold-threads.h".
7397         (class Descriptors): Add initialize_lock_ field.
7398         * descriptors.cc (Descriptors::Descriptors): Initialize new
7399         field.
7400         (Descriptors::open): Use initialize_lock_ field
7401         * errors.h (class Errors): Add initialize_lock_ field.
7402         * errors.cc (Errors::Errors): Initialize new field.
7403         (Errors::initialize_lock): Use initialize_lock_ field.
7404         * powerpc.cc (class Target_selector_powerpc): Remove
7405         instantiated_target_ field.  In do_recognize call
7406         instantiate_target rather than do_instantiate_target.  In
7407         do_instantiate_target just allocate a new target.
7408         * sparc.cc (class Target_selector_sparc): Likewise.
7409
7410         * freebsd.h: New file.
7411         * i386.cc: Include "freebsd.h".
7412         (Target_i386): Derive from Target_freebsd rather than
7413         Sized_target.
7414         (Target_selector_i386): Derive from Target_selector_freebsd rather
7415         than Target_selector.
7416         * x86_64.cc: Include "freebsd.h".
7417         (Target_x86_64): Derive from Target_freebsd rather than
7418         Sized_target.
7419         (Target_selector_x86_64): Derive from Target_selector_freebsd
7420         rather than Target_selector.
7421         * target.h (class Target): Add adjust_elf_header and
7422         do_adjust_elf_header.
7423         * output.cc (Output_file_header:: do_sized_write): Call target
7424         adjust_elf_header routine.
7425         * configure.tgt: Set targ_osabi.
7426         * configure.ac: Define GOLD_DEFAULT_OSABI.
7427         * parameters.cc (Parameters::default_target): Pass
7428         GOLD_DEFAULT_OSABI to select_target.
7429         * target-select.h (class Target_selector): Make instantiate_target
7430         protected rather than private.
7431         * Makefile.am (HFILES): Add freebsd.h.
7432         * configure, Makefile.in, config.in: Rebuild.
7433
7434         * merge.cc (do_add_input_section): Correct pend value.  Change
7435         message about last entry not being null terminated from error to
7436         warning.
7437
7438 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
7439
7440         * incremental.cc: New file.
7441         * Makefile.am (CCFILES): Add incremental.cc.
7442         * Makefile.in: Rebuild.
7443
7444 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
7445
7446         * layout.cc (Layout::output_section_name): Preserve names
7447         of '.note.' sections.
7448
7449 2009-03-19  Ian Lance Taylor  <iant@google.com>
7450
7451         * descriptors.cc (Descriptors::open): Check that the options are
7452         valid before using them.
7453
7454 2009-03-18  Ian Lance Taylor  <iant@google.com>
7455
7456         * script-sections.h: Include <list>.
7457         (class Script_sections): Change Sections_elements from std::vector
7458         to std::list.  Typedef public Elements_iterator.  Add
7459         orphan_section_placement_, data_segment_align_start_, and
7460         saw_data_segment_align_ fields.  Remove data_segment_align_index_
7461         field.
7462         * script-sections.cc (class Orphan_section_placement): New class.
7463         (class Sections_element): Add virtual functions is_relro and
7464         orphan_section_init.  Remove virtual function place_orphan_here.
7465         (class Output_section_definition): Add is_relro and
7466         orphan_section_init.  Remove place_orphan_here.
7467         (class Orphan_output_section): Likewise.
7468         (Script_sections::Script_sections): Update for field changes.
7469         (Script_sections::data_segment_align): Set saw_data_segment_align_
7470         and data_segment_align_start_, not data_segment_align_index.
7471         (Script_sections::data_segment_relro_end): Check
7472         saw_data_segment_align_.  Use data_segment_align_start_ rather
7473         than data_segment_align_index_.
7474         (Script_sections::place_orphan): Rewrite to use
7475         Orphan_section_placement.
7476
7477 2009-03-17  Ian Lance Taylor  <iant@google.com>
7478
7479         * archive.cc (Archive::add_symbols): Check for a version attached
7480         to the symbol name in the archive map.
7481         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
7482         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
7483         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
7484         (ver_test_11.a): New target.
7485         * testsuite/Makefile.in: Rebuild.
7486
7487         * configure.ac: Check for chsize and posix_fallocate.  Replace
7488         ftruncate.
7489         * ftruncate.c: New file, from gnulib.
7490         * output.cc (posix_fallocate): Define dummy version if not
7491         HAVE_POSIX_FALLOCATE.
7492         (Output_file::map): Call posix_fallocate rather than lseek and
7493         write.
7494         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
7495         * configure, Makefile.in, config.in: Rebuild.
7496
7497 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
7498
7499         * layout.h (Layout::create_note): Add section_name parameter.
7500         * layout.cc (Layout::create_note): Likewise.
7501         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
7502
7503 2009-03-17  Ian Lance Taylor  <iant@google.com>
7504
7505         * descriptors.cc: Include "options.h".
7506         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
7507         (Descriptors::open): Always use O_CLOEXEC when opening a new
7508         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
7509         then set FD_CLOEXEC.
7510
7511         * sparc.cc (class Target_sparc): Add has_got_section.
7512         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
7513         make sure we have a GOT section.
7514
7515         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
7516         (Target_sparc::Scan::local): Likewise.
7517         (Target_sparc::Scan::global): Likewise.
7518         (Target_sparc::Relocate::relocate): Likewise.
7519         (Target_sparc::Relocate::relocate_tls): Likewise.
7520
7521         * symtab.cc (Symbol_table::define_default_version): New function,
7522         broken out of add_from_object.
7523         (Symbol_table::add_from_object): Call define_default_version.
7524         (Symbol_table::define_special_symbol): Add resolve_oldsym
7525         parameter.  Change all callers.  If the version for a symbol comes
7526         from a version script, resolve it with the symbol with the same
7527         name with no version.  Also add the symbol without a version if
7528         appropriate.
7529         (do_define_in_output_data): If resolving with oldsym, don't delete
7530         sym.
7531         (do_define_in_output_segment): Likewise.
7532         (do_define_as_constant): Likewise.
7533         * symtab.h (class Symbol_table): Update declarations.
7534
7535 2009-03-13  Ian Lance Taylor  <iant@google.com>
7536
7537         * readsyms.cc (Read_symbols::incompatible_warning): New function.
7538         (Read_symbols::requeue): New function.
7539         (Read_symbols::do_read_symbols): If make_elf_object fails because
7540         the target type is not configured, and the file was searched for,
7541         issue a warning and retry with the next directory.
7542         (Add_symbols::run): If the file has an incompatible format, and
7543         it was searched for, requeue the Read_symbols task.  On error,
7544         release the object.
7545         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
7546         dirindex parameter to constructor.  Change all callers.  Declare
7547         incompatible_warning and requeue.
7548         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
7549         input_argument_ and input_group_ fields.  Add them to
7550         constructor.  Change all callers.
7551         (class Read_script): Add dirindex_ field.  Add it to constructor.
7552         Change all callers.
7553         * archive.cc (Archive::setup): Remove input_objects parameter.
7554         Change all callers.
7555         (Archive::get_file_and_offset): Likewise.
7556         (Archive::read_all_symbols): Likewise.
7557         (Archive::read_symbols): Likewise.
7558         (Archive::get_elf_object_for_member): Remove input_objects
7559         parameter.  Add punconfigured parameter.  Change all callers.
7560         (Archive::add_symbols): Change return type to bool.  Check return
7561         value of include_member.
7562         (Archive::include_all_members): Likewise.
7563         (Archive::include_member): Change return type to bool.  Return
7564         false if first included object has incompatible target.  Set
7565         included_member_ field.
7566         (Add_archive_symbols::run): If add_symbols returns false, requeue
7567         Read_symbols task.
7568         * archive.h (class Archive): Add included_member_ field.
7569         Initialize it in constructor.  Add input_file and searched_for
7570         methods.  Update declarations.
7571         (class Add_archive_symbols): Add dirpath_, dirindex_, and
7572         input_argument_ fields.  Add them to constructor.  Change all
7573         callers.
7574         * script.cc: Include "target-select.h".
7575         (class Parser_closure): Add skip_on_incompatible_target_ and
7576         found_incompatible_target_ fields.  Add
7577         skip_on_incompatible_target parameter to constructor.  Change all
7578         callers.  Add methods skip_on_incompatible_target,
7579         clear_skip_on_incompatible_target, found_incompatible_target, and
7580         set_found_incompatible_target.
7581         (read_input_script): Add dirindex parameter.  Change all callers.
7582         If parser finds an incompatible target, requeue Read_symbols
7583         task.
7584         (script_set_symbol): Clear skip_on_incompatible_target in
7585         closure.
7586         (script_add_assertion, script_parse_option): Likewise.
7587         (script_start_sections, script_add_phdr): Likewise.
7588         (script_check_output_format): New function.
7589         * script.h (read_input_script): Update declaration.
7590         * script-c.h (script_check_output_format): Declare.
7591         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
7592         (ignore_cmd): Remove OUTPUT_FORMAT.
7593         * fileread.cc (Input_file::Input_file): Add explicit this.
7594         (Input_file::will_search_for): New function.
7595         (Input_file::open): Add pindex parameter.  Change all callers.
7596         * fileread.h (class Input_file): Add input_file_argument method.
7597         Declare will_search_for.  Update declarations.
7598         * object.cc (make_elf_object): Add punconfigured parameter.
7599         Change all callers.
7600         * object.h (class Object): Make input_file public.  Add
7601         searched_for method.
7602         (make_elf_object): Update declaration.
7603         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
7604         restart search.
7605         * dirsearch.h (class Dirsearch): Update declaration.
7606         * options.h (class General_options): Add --warn-search-mismatch.
7607         * parameters.cc (Parameters::is_compatible_target): New function.
7608         * parameters.h (class Parameters): Declare is_compatible_target.
7609         * workqueue.cc (Workqueue::add_blocker): New function.
7610         * workqueue.h (class Workqueue): Declare add_blocker.
7611
7612         * fileread.cc (Input_file::open): Remove options parameter.
7613         Change all callers.
7614         (Input_file::open_binary): Likewise.
7615         * script.cc (read_input_script): Likewise.
7616         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
7617         options parameter from constructor.  Change all callers.
7618         (class Read_script): Likewise.
7619         * fileread.h (class Input_file): Update declarations.
7620         * script.h (read_input_script): Update declaration.
7621
7622 2009-03-10  Nick Clifton  <nickc@redhat.com>
7623
7624         * po/es.po: New Spanish translation.
7625
7626 2009-03-06  Cary Coutant  <ccoutant@google.com>
7627
7628         * options.cc (parse_short_option): Keep dash_z from registering itself.
7629
7630 2009-03-03  Ian Lance Taylor  <iant@google.com>
7631
7632         PR 9918
7633         * target-reloc.h (relocate_section): Pass output_section to
7634         relocate.
7635         * i386.cc (Target_i386::should_apply_static_reloc): Add
7636         output_section parameter.  Change all callers.
7637         (Target_i386::Relocate::relocate): Add output_section parameter.
7638         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7639         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
7640         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
7641         * testsuite/two_file_shared.sh: New script.
7642         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
7643         (check_DATA): Add two_file_shared.dbg.
7644         (two_file_shared.dbg): New target.
7645         * testsuite/Makefile.in: Rebuild.
7646
7647 2009-03-01  Ian Lance Taylor  <iant@google.com>
7648
7649         * configure.ac: Check for byteswap.h.
7650         * configure: Rebuild.
7651         * config.in: Rebuild.
7652
7653 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
7654
7655         * layout.cc (Layout::find_or_add_kept_section): New function.
7656         (Layout::add_comdat): Removed.
7657         * layout.h (struct Kept_section): Move out of class Layout.
7658         Remove trailing underscores from field names.  Add group_sections
7659         field.  Rename group_ field to is_group.  Change all uses.
7660         (class Layout): Declare find_or_add_kept_section, not add_comdat.
7661         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
7662         comdat_groups_ field.
7663         (Sized_relobj::include_section_group): Use
7664         find_or_add_kept_section and Kept_section::group_sections.
7665         (Sized_relobj::include_linkonce_section): Likewise.
7666         * object.cc (class Sized_relobj): Don't define Comdat_group or
7667         Comdat_group_table.  Remove find_comdat_group and
7668         add_comdat_group.  Remove comdat_groups_ field.
7669         * plugin.cc (include_comdat_group): Use
7670         Layout::find_or_add_kept_section.
7671
7672 2009-02-28  Ian Lance Taylor  <iant@google.com>
7673
7674         * README: --gc-sections and map files are now supported.  Document
7675         some build requirements.
7676
7677         PR 6992
7678         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
7679         relocatable link set the value of the section symbol to zero.
7680         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7681         relocatable link don't include the section address in the local
7682         symbol value.
7683
7684 2009-02-27  Ian Lance Taylor  <iant@google.com>
7685
7686         PR 6811
7687         * options.h (class Search_directory): Add is_system_directory.
7688         (class General_options): Declare is_in_system_directory.
7689         * options.cc (get_relative_sysroot): Make static.
7690         (get_default_sysroot): Make static.
7691         (General_optoins::is_in_system_directory): New function.
7692         * fileread.cc (Input_file::is_in_system_directory): New function.
7693         * fileread.h (class Input_file): Declare is_in_system_directory.
7694         * object.h (class Object): Add is_in_system_directory.
7695         (class Input_objects): Remove system_library_directory_ field.
7696         * object.cc (Input_objects::add_object): Don't set
7697         system_library_directory_.
7698         (input_objects::found_in_system_library_directory): Remove.
7699         * symtab.cc (Symbol_table::write_globals): Remove input_objects
7700         parameter.  Change all callers.
7701         (Symbol_table::sized_write_globals): Likewise.
7702         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
7703         Call Object::is_in_system_directory.
7704         * symtab.h (class Symbol_table): Update declarations.
7705
7706         PR 5990
7707         * descriptors.h (Open_descriptor): Add is_on_stack field.
7708         * descriptors.cc (Descriptors::open): If the descriptor is on the
7709         top of the stack, remove it.  Initialize is_on_stack field.
7710         (Descriptors::release): Only add pod to stack if it is not on the
7711         stack already.
7712         (Descriptors::close_some_descriptor): Clear stack_next and
7713         is_on_stack fields.
7714
7715         PR 7091
7716         * output.cc (Output_section::find_starting_output_address): Rename
7717         from starting_output_address; add PADDR parameter; change return
7718         type.
7719         * output.h (class Output_section): Declare
7720         find_starting_output_address instead of starting_output_address.
7721         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7722         section symbol for which we can't find a merge section.
7723
7724         PR 9836
7725         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7726         hidden or internal, force the symbol to be local.
7727         * resolve.cc (Symbol::override_visibility): Define.
7728         (Symbol::override_base): Use override_visibility.
7729         (Symbol_table::resolve): Likewise.
7730         (Symbol::override_base_with_special): Likewise.
7731         (Symbol_table::override_with_special): If the visibility is hidden
7732         or internal, force the symbol to be local.
7733         * symtab.h (class Symbol): Add set_visibility and
7734         override_visibility.
7735         * testsuite/ver_test_1.sh: New file.
7736         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7737         (check_DATA): Add ver_test_1.syms.
7738         (ver_test_1.syms): New target.
7739         * testsuite/Makefile.in: Rebuild.
7740
7741 2009-02-25  Cary Coutant  <ccoutant@google.com>
7742
7743         * layout.cc (Layout::choose_output_section): Don't rename sections
7744         when using a linker script that has a SECTIONS clause.
7745         * Makefile.in: Regenerate.
7746
7747         * testsuite/Makefile.am (script_test_5.sh): New test case.
7748         * testsuite/Makefile.in: Regenerate.
7749         * testsuite/script_test_5.cc: New file.
7750         * testsuite/script_test_5.sh: New file.
7751         * testsuite/script_test_5.t: New file.
7752
7753 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7754
7755         * archive.cc (Archive::include_member): Update calls to add_symbols.
7756         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7757         the Layout argument.
7758         * dynobj.h (do_add_symbols): Add the Layout argument.
7759         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7760         Layout argument.
7761         * object.h (Object::add_symbols): Add the Layout argument.
7762         (Object::do_add_symbols): Add the Layout argument.
7763         (Sized_relobj::do_add_symbols): Add the Layout argument.
7764         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7765         Unify the two versions.
7766         (Add_plugin_symbols): Remove.
7767         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7768         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7769         (Add_plugin_symbols): Remove.
7770         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7771         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7772         (Add_symbols::run): Make it work with Pulginobj.
7773
7774 2009-02-06  Ian Lance Taylor  <iant@google.com>
7775
7776         * object.cc (Sized_relobj::do_layout): Make info message start
7777         with lower case letter.
7778
7779 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7780
7781         * binary.cc: Fix file comment.
7782
7783         * options.h (enum Incremental_disposition): Define.
7784         (class General_options): Add new options: --incremental,
7785         --incremental_changed, --incremental_unchanged,
7786         --incremental_unknown.  Add incremental_disposition_ and
7787         implicit_incremental_ fields.
7788         (General_options::incremental_disposition): New function.
7789         (class Position_dependent_options): Add incremental_disposition
7790         option.
7791         (Position_dependent_options::copy_from_options): Set incremental
7792         dispositions.
7793         * options.cc (General_options::parse_incremental_changed): New
7794         function.
7795         (General_options::parse_incremental_unchanged): New function.
7796         (General_options::parse_incremental_unknown): New function.
7797         (General_options::General_options): Initialize new fields
7798         incremental_disposition_ and implicit_incremental_.
7799         (General_options::finalize): Check for uasge of --incremental-*
7800         without --incremental.
7801
7802 2009-02-06  Chris Demetriou  <cgd@google.com>
7803
7804         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7805         pointer and to report location as the file name associated with
7806         the symbol.
7807         (gold_undefined_symbol_at_location): New function to replace the
7808         old gold_undefined_symbol functionality.
7809         * target-reloc.h (relocate_section): Update to use
7810         gold_undefined_symbol_at_location.
7811         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7812         Call gold_undefined_symbol function rather than gold_error.
7813         * errors.h (Errors::undefined_symbol): Take location as a
7814         string, rather than calculating it from a relocation.
7815         * errors.cc (Errors::fatal): Print "fatal error:" before the
7816         formatted message.
7817         (Errors::error, Errors::error_at_location): Print "error: "
7818         before the formatted message.
7819         (Errors::undefined_symbol): Take location as a string, rather
7820         than calculating it from a relocation.
7821         (gold_undefined_symbol_at_location): New function akin to
7822         old gold_undefined_symbol, calculates location from relocation.
7823         (gold_undefined_symbol): Change to take only a Symbol pointer
7824         and to report location as the file name associated with the symbol.
7825         * testsuite/debug_msg.sh: Update for changed error messages.
7826         * testsuite/undef_symbol.sh: Likewise.
7827
7828 2009-02-04  Duncan Sands  <baldrick@free.fr>
7829
7830         PR 9812
7831         * reduced_debug_output.h
7832         (Output_reduced_debug_abbrev_section::failed): Use format for
7833         gold_warning.
7834         (Output_reduced_debug_info_section::faild): Likewise.
7835
7836 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7837
7838         * script.cc (Lazy_demangler): New class.
7839         (Version_script_info::get_symbol_version_helper): Demangle a
7840         symbol only once.
7841
7842 2009-01-29  Cary Coutant  <ccoutant@google.com>
7843
7844         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7845         to __tls_get_addr.
7846         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7847
7848 2009-01-28  Ian Lance Taylor  <iant@google.com>
7849
7850         * version.cc (version_string): Bump to 1.9.
7851
7852         * gold.h: Include <cstring> and <stdint.h>.
7853         * version.cc: Include <cstdio>.
7854         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7855         warning.
7856         * reduced_debug_output.cc (insert_into_vector): Rename from
7857         Insert_into_vector; change all callers.  Use Swap_unaligned to
7858         avoid aliasing issue; remove union since it is unnecessary.
7859
7860 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7861
7862         * Makefile.am (CCFILES): Add gc.cc.
7863         (HFILES): Add gc.h.
7864         * Makefile.in: Regenerate.
7865         * gold.cc (Gc_runner): New class.
7866         (queue_initial_tasks): Call garbage collection related tasks
7867         when corresponding options are invoked.
7868         (queue_middle_gc_tasks): New function.
7869         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7870         processed early before laying out sections during garbage collection.
7871         * gold.h (queue_middle_gc_tasks): New function.
7872         (is_prefix_of): Move from "layout.cc".
7873         * i386.cc (Target_i386::gc_process_relocs): New function.
7874         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7875         * main.cc (main): Create object of class "Garbage_collection".
7876         * object.cc (Relobj::copy_symbols_data): New function.
7877         (Relobj::is_section_name_included): New function.
7878         (Sized_relobj::do_layout): Allow this function to be called twice
7879         during garbage collection and defer layout of section during the
7880         first call.
7881         * object.h (Relobj::get_symbols_data): New function.
7882         (Relobj::is_section_name_included): New function.
7883         (Relobj::copy_symbols_data): New function.
7884         (Relobj::set_symbols_data): New function.
7885         (Relobj::get_relocs_data): New function.
7886         (Relobj::set_relocs_data): New function.
7887         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7888         (Relobj::gc_process_relocs): New function.
7889         (Relobj::do_gc_process_relocs): New pure virtual function.
7890         (Relobj::sd_): New data member.
7891         (Sized_relobj::is_output_section_offset_invalid): New function.
7892         (Sized_relobj::do_gc_process_relocs): New function.
7893         * options.h (General_options::gc_sections): Modify to not be a no-op.
7894         (General_options::print_gc_sections): New option.
7895         * plugin.cc (Plugin_finish::run): Remove function call to
7896         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7897         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7898         * reloc.cc (Read_relocs::run): Add task to process relocs and
7899         determine unreferenced sections when doing garbage collection.
7900         (Gc_process_relocs): New class.
7901         (Sized_relobj::do_gc_process_relocs): New function.
7902         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7903         sections that are garbage collected.
7904         * reloc.h (Gc_process_relocs): New class.
7905         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7906         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7907         symbols whose corresponding sections are garbage collected.
7908         (Symbol_table::Symbol_table): Add new parameter for the garbage
7909         collection object.
7910         (Symbol_table::gc_mark_undef_symbols): New function.
7911         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7912         (Symbol_table::gc_mark_dyn_syms): New function.
7913         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7914         as garbage.
7915         (Symbol_table::add_from_object): Likewise.
7916         (Symbol_table::add_from_relobj): When building shared objects, do not
7917         treat externally visible symbols as garbage.
7918         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7919         table information for static and relocatable links.
7920         * symtab.h (Symbol_table::set_gc): New function.
7921         (Symbol_table::gc): New function.
7922         (Symbol_table::gc_mark_undef_symbols): New function.
7923         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7924         (Symbol_table::gc_mark_dyn_syms): New function.
7925         (Symbol_table::gc_): New data member.
7926         * target.h (Sized_target::gc_process_relocs): New pure virtual
7927         function.
7928         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7929         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7930
7931 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7932
7933         * options.h (General_options::gc_sections): Define as a no-op for now.
7934         (General_options::no_keep_memory): Ditto.
7935         (General_options::Bshareable): Define.
7936         * options.cc (General_options::finalize): Honor -Bshareable.
7937
7938 2009-01-20  Andreas Schwab  <schwab@suse.de>
7939
7940         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7941         read the value in the contents, since we don't use it.  Use the
7942         template endianness when writing.
7943         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7944
7945 2009-01-19  Andreas Schwab  <schwab@suse.de>
7946
7947         * configure.tgt (powerpc64-*): Fix targ_obj.
7948
7949 2009-01-15  Ian Lance Taylor  <iant@google.com>
7950
7951         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7952         local symbols when stripping all symbols.
7953
7954 2009-01-14  Cary Coutant  <ccoutant@google.com>
7955
7956         * output.cc (Output_reloc): Add explicit instantiations.
7957
7958 2009-01-14  Cary Coutant  <ccoutant@google.com>
7959
7960         * archive.cc (Archive::get_elf_object_for_member): Remove call
7961         to File_read::claim_for_plugin.
7962         * descriptors.cc (Descriptors::open): Remove reference to
7963         is_claimed.
7964         (Descriptors::claim_for_plugin): Remove.
7965         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7966         (Descriptors::is_claimed): Remove.
7967         (claim_descriptor_for_plugin): Remove.
7968         * fileread.cc (File_read::claim_for_plugin): Remove.
7969         * fileread.h (File_read::claim_for_plugin): Remove.
7970         (File_read::descriptor): Reopen descriptor if necessary.
7971         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7972         (Plugin_manager::all_symbols_read): Add task parameter. Change
7973         all callers.
7974         (Plugin_manager::get_input_file): New function.
7975         (Plugin_manager::release_input_file): New function.
7976         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7977         corresponding data member.
7978         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7979         and pass to base constructor. Change all callers.
7980         (get_input_file, release_input_file): New functions.
7981         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7982         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7983         (Plugin_manager::all_symbols_read): Add task parameter.
7984         (Plugin_manager::get_input_file): New function.
7985         (Plugin_manager::release_input_file): New function.
7986         (Plugin_manager::task_): New data member.
7987         (Pluginobj::Pluginobj): Add filesize parameter.
7988         (Pluginobj::filename): New function.
7989         (Pluginobj::descriptor): New function.
7990         (Pluginobj::filesize): New function.
7991         (Pluginobj::filesize_): New data member.
7992         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7993         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7994         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7995
7996         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7997         with archive libraries.
7998         * testsuite/Makefile.in: Regenerate.
7999         * testsuite/plugin_test.c (struct sym_info): New type.
8000         (get_input_file, release_input_file): New static variables.
8001         (onload): Capture new transfer vector entries.
8002         (claim_file_hook): Stop reading at end of file according to filesize.
8003         Factor out parsing of readelf output into separate function.
8004         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8005         APIs and get the source file name from the symbol table.  Convert
8006         source file name to corresponding object file name.  Print info
8007         message when adding new input files.
8008         (parse_readelf_line): New function.
8009         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8010         * testsuite/plugin_test_2.sh: Likewise.
8011         * testsuite/plugin_test_3.sh: Likewise.
8012         * testsuite/plugin_test_4.sh: New test case.
8013
8014 2009-01-07  Ian Lance Taylor  <iant@google.com>
8015
8016         * version.cc (version_string): Bump to 1.8.
8017
8018 2008-12-23  Cary Coutant  <ccoutant@google.com>
8019
8020         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8021         * plugin.cc (Plugin_manager::finish): Rename as
8022         layout_deferred_objects.  Move cleanup to separate function.
8023         (Plugin_manager::cleanup): New function.
8024         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8025         separately.
8026         * plugin.h (Plugin_manager::finish): Rename as
8027         layout_deferred_objects.
8028         (Plugin_manager::cleanup): New function.
8029         (Plugin_manager::cleanup_done): New field.
8030
8031 2008-12-23  Cary Coutant  <ccoutant@google.com>
8032
8033         * plugin.cc (is_visible_from_outside): New function.
8034         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8035         so we don't return "IR only" status for exported symbols or -r links.
8036
8037         * testsuite/Makefile.am (plugin_test_3): New test case.
8038         * testsuite/Makefile.in: Regenerate.
8039         * testsuite/plugin_test_3.sh: New file.
8040
8041 2008-12-22  Cary Coutant  <ccoutant@google.com>
8042
8043         * object.cc (Sized_relobj::layout_section): New function.
8044         (Sized_relobj::do_layout): Defer layout of input sections until after
8045         plugin has provided replacement files.
8046         (Sized_relobj::do_layout_deferred_sections): New function.
8047         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8048         (Relobj::layout_deferred_sections): New function.
8049         (Relobj::do_layout_deferred_sections): New function.
8050         (Sized_relobj::do_layout_deferred_sections): New function.
8051         (Sized_relobj::layout_section): New function.
8052         (Sized_relobj::Deferred_layout): New structure.
8053         (Sized_relobj::deferred_layout_): New field.
8054         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8055         Change all callers.  Layout deferred sections.
8056         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8057         references.
8058         (Plugin_hook::run): Move code from do_plugin_hook inline.
8059         (Plugin_hook::do_plugin_hook): Remove.
8060         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8061         (Plugin_manager::finish): Renamed, was cleanup.
8062         (Plugin_manager::should_defer_layout): New function.
8063         (Plugin_manager::add_deferred_layout_object): New function.
8064         (Plugin_manager::Deferred_layout_list): New type.
8065         (Plugin_manager::deferred_layout_objects_): New field.
8066         (Plugin_hook::do_plugin_hook): Remove.
8067
8068 2008-12-17  Ian Lance Taylor  <iant@google.com>
8069
8070         * options.h (class General_options): Add --no case for
8071         --export-dynamic.
8072
8073 2008-12-16  Cary Coutant  <ccoutant@google.com>
8074
8075         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8076         vector.
8077         (Plugin_manager::claim_file): Create plugin object even if
8078         plugin did not call the add_symbols callback.
8079         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8080         asking for more symbols than were added.
8081         * testsuite/Makefile.am (plugin_test_1): Add test case with
8082         no global symbols.
8083         (empty.syms): New target.
8084         * testsuite/Makefile.in: Regenerate.
8085         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8086         message. Don't call add_symbols if no globals.
8087         (all_symbols_read_hook): Don't provide replacement for empty
8088         claimed file.
8089
8090 2008-12-12  Ian Lance Taylor  <iant@google.com>
8091
8092         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8093         r_type == 0 for a local symbol with r_sym == 0.
8094         (scan_relocatable_relocs): Pass r_sym to
8095         local_non_section_strategy.
8096         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8097         r_sym parameter.
8098
8099         * configure.ac: Update test for TLS descriptors: they are
8100         supported as of glibc 2.9.
8101         * configure: Rebuild.
8102
8103 2008-12-11  Ian Lance Taylor  <iant@google.com>
8104
8105         PR 7091
8106         * target-reloc.h (Default_scan_relocatable_relocs): For each
8107         function, map r_type == 0 to RELOC_DISCARD.
8108
8109 2008-12-10  Cary Coutant  <ccoutant@google.com>
8110
8111         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8112         object to override a kept COMDAT group from a plugin object.
8113
8114 2008-12-09  Ian Lance Taylor  <iant@google.com>
8115
8116         PR 7088
8117         * yyscript.y (file_cmd): Handle INPUT.
8118
8119         * testsuite/initpri1.c: Change all declarations to be full
8120         prototypes by adding void, to avoid compiler warnings.
8121
8122 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8123
8124         * options.cc (General_options::parse_plugin_opt): New.
8125         (General_options::add_plugin): The argument now is just the filename.
8126         (General_options::add_plugin_option): New.
8127         * options.h (plugin_opt): New.
8128         (add_plugin): Change argument name.
8129         (add_plugin_option): New.
8130         * plugin.cc (Plugin::load): Don't parse the plugin option.
8131         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8132         (Plugin::add_option): New.
8133         (Plugin::args_): Change type.
8134         (Plugin::filename_): New.
8135         (Plugin_manager::add_plugin_option): New.
8136         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8137         * testsuite/Makefile.in: Regenerate.
8138
8139 2008-12-05  Cary Coutant  <ccoutant@google.com>
8140
8141         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8142         Handle --strip-lto-sections option.
8143         * options.h (strip_lto_sections): New option.
8144
8145 2008-12-01  Cary Coutant  <ccoutant@google.com>
8146
8147         * plugin.cc (ld_plugin_message): Change format parameter to const.
8148         Fix mismatch between new[] and delete.
8149
8150 2008-11-14  Cary Coutant  <ccoutant@google.com>
8151
8152         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8153         instead of -1U.
8154
8155 2008-11-05  Craig Silverstein  <csilvers@google.com>
8156
8157         * options.cc (General_options::parse_dynamic_list): New function.
8158         * options.h (General_options): New flags dynamic_list,
8159         dynamic_list_data, dynamic_list_cpp_new, and
8160         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8161         (General_options::in_dynamic_list): New function.
8162         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8163         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8164         (Lex::can_continue_name): Likewise.
8165         (yylex): Likewise.
8166         (read_script_file): New parameter script_options.
8167         (read_dynamic_list): New function.
8168         (Script_options::define_dynamic_list): New function.
8169         (dynamic_list_keyword_parsecodes): New variable.
8170         (dynamic_list_keywords): New variable.
8171         * script.h (Script_options::define_dynamic_list): New function
8172         prototype.
8173         (read_dynamic_list): New function prototype.
8174         * symtab.cc (strprefix): New macro.
8175         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8176         dynamic_list_data, dynamic_list_cpp_new, and
8177         dynamic_list_cpp_typeinfo.
8178         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8179         (dynamic_list_expr): New rule.
8180         (dynamic_list_nodes): Likewise.
8181         (dynamic_list_node): Likewise.
8182         * testsuite/Makefile.am (dynamic_list): New test.
8183         * testsuite/Makefile.in: Regenerated.
8184         * testsuite/dynamic_list.t: New file.
8185         * testsuite/dynamic_list.sh: New file.
8186
8187 2008-11-05  Craig Silverstein  <csilvers@google.com>
8188
8189         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8190         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8191         (t11_last): Likewise.
8192         * testsuite/ver_test_6.c (main): Likewise.
8193
8194 2008-10-07  Cary Coutant  <ccoutant@google.com>
8195
8196         * options.c (General_options::finalize): Add check for -static and
8197         -shared.
8198         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8199         is not empty.
8200
8201 2008-10-02  Cary Coutant  <ccoutant@google.com>
8202
8203         * plugin.cc (make_sized_plugin_object): Fix conditional
8204         compilation to work when not all targets are enabled.
8205
8206 2008-09-29  Cary Coutant  <ccoutant@google.com>
8207
8208         * archive.cc (Archive::get_file_and_offset): Use filename instead
8209         of name to get library path.
8210         (Archive::include_member): Unlock external member of a thin archive.
8211
8212         * testsuite/Makefile.am (TEST_AR): New variable.
8213         (thin_archive_test_1): New test.
8214         (thin_archive_test_2): New test.
8215         * testsuite/Makefile.in: Regenerate.
8216         * testsuite/thin_archive_main.cc: New file.
8217         * testsuite/thin_archive_test_1.cc: New file.
8218         * testsuite/thin_archive_test_2.cc: New file.
8219         * testsuite/thin_archive_test_3.cc: New file.
8220         * testsuite/thin_archive_test_4.cc: New file.
8221
8222 2008-09-29  Cary Coutant  <ccoutant@google.com>
8223
8224         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8225         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8226         instead of -1U.
8227         (Sized_relobj::do_finalize_local_symbols): Likewise.
8228         (Sized_relobj::map_to_kept_section): Likewise.
8229         * object.h (Sized_relobj::invalid_address): New constant.
8230         (Sized_relobj::do_output_section_offset): Check for invalid_address
8231         and return -1ULL.
8232         * output.cc (Output_reloc::local_section_offset): Use constant
8233         invalid_address instead of -1U.
8234         (Output_reloc::get_address): Likewise.
8235         (Output_section::output_address): Change -1U to -1ULL.
8236         * output.h (Output_reloc::invalid_address): New constant.
8237         * reloc.cc (Sized_relobj::write_sections): Use constant
8238         invalid_address instead of -1U.
8239         (Sized_relobj::relocate_sections): Likewise.
8240         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8241         values for merge sections.
8242         * target-reloc.h (relocate_for_relocatable): Use constant
8243         invalid_address instead of -1U.
8244
8245 2008-09-19  Cary Coutant  <ccoutant@google.com>
8246
8247         Add plugin functionality for link-time optimization (LTO).
8248         * configure.ac (plugins): Add --enable-plugins option.
8249         * configure: Regenerate.
8250         * config.in: Regenerate.
8251         * Makefile.am (LIBDL): New variable.
8252         (CCFILES): Add plugin.cc.
8253         (HFILES): Add plugin.h.
8254         (ldadd_var): Add LIBDL.
8255         * Makefile.in: Regenerate.
8256
8257         * archive.cc: Include "plugin.h".
8258         (Archive::setup): Don't preread archive symbols when using a plugin.
8259         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8260         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8261         files.
8262         (Archive::include_member): Add symbols from plugin objects.
8263         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8264         * descriptors.cc (Descriptors::open): Check for file descriptors
8265         abandoned by plugins.
8266         (Descriptors::claim_for_plugin): New function.
8267         * descriptors.h (Descriptors::claim_for_plugin): New function.
8268         (Open_descriptor::is_claimed): New field.
8269         (claim_descriptor_for_plugin): New function.
8270         * fileread.cc (File_read::claim_for_plugin): New function.
8271         * fileread.h (File_read::claim_for_plugin): New function.
8272         (File_read::descriptor): New function.
8273         * gold.cc: Include "plugin.h".
8274         (queue_initial_tasks): Add task to call plugin hooks for generating
8275         new object files.
8276         * main.cc: Include "plugin.h".
8277         (main): Load plugin libraries.
8278         * object.h (Pluginobj): Declare.
8279         (Object::pluginobj): New function.
8280         (Object::do_pluginobj): New function.
8281         (Object::set_target): New function.
8282         * options.cc: Include "plugin.h".
8283         (General_options::parse_plugin): New function.
8284         (General_options::General_options): Initialize plugins_ field.
8285         (General_options::add_plugin): New function.
8286         * options.h (Plugin_manager): Declare.
8287         (General_options): Add --plugin option.
8288         (General_options::has_plugins): New function.
8289         (General_options::plugins): New function.
8290         (General_options::add_plugin): New function.
8291         (General_options::plugins_): New field.
8292         * plugin.cc: New file.
8293         * plugin.h: New file.
8294         * readsyms.cc: Include "plugin.h".
8295         (Read_symbols::do_read_symbols): Check for archive before checking
8296         for ELF file.  Call plugin hooks to claim files.
8297         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
8298         from a real object file; force override when processing replacement
8299         files.
8300         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
8301         (Symbol::init_base_object): Likewise.
8302         (Symbol::init_base_output_data): Likewise.
8303         (Symbol::init_base_output_segment): Likewise.
8304         (Symbol::init_base_constant): Likewise.
8305         (Symbol::init_base_undefined): Likewise.
8306         (Symbol::output_section): Assert that object is not a plugin.
8307         (Symbol_table::add_from_pluginobj): New function.
8308         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
8309         undefined.
8310         (Symbol_table::sized_write_globals): Likewise.
8311         (Symbol_table::add_from_pluginobj): Instantiate template.
8312         * symtab.h (Sized_pluginobj): Declare.
8313         (Symbol::in_real_elf): New function.
8314         (Symbol::set_in_real_elf): New function.
8315         (Symbol::in_real_elf_): New field.
8316         (Symbol_table::add_from_pluginobj): New function.
8317
8318         * testsuite/Makefile.am (AM_CFLAGS): New variable.
8319         (LIBDL): New variable.
8320         (LDADD): Add LIBDL.
8321         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
8322         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
8323         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
8324         (MOSTLYCLEANFILES): Likewise.
8325         * testsuite/Makefile.in: Regenerate.
8326         * testsuite/plugin_test.c: New file.
8327         * testsuite/plugin_test_1.sh: New file.
8328         * testsuite/plugin_test_2.sh: New file.
8329
8330 2008-09-16  Ian Lance Taylor  <iant@google.com>
8331
8332         * target-reloc.h (relocate_section): Check whether a symbol is
8333         defined by the ABI before reporting an undefined symbol error.
8334         * target.h (Target::is_defined_by_abi): Make parameter const.
8335         (Target::do_is_defined_by_abi): Likewise.
8336         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
8337         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
8338         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
8339         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
8340         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
8341         * testsuite/Makefile.in: Rebuild.
8342
8343         * fileread.cc (make_view): Add casts to avoid warning.
8344
8345 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8346
8347         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
8348         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8349
8350 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8351
8352         * options.h (General_options::output_is_executable): New.
8353         (General_options::output_is_pie): New.
8354         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
8355         for shared libraries.
8356         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8357
8358 2008-09-11  Chris Demetriou  <cgd@google.com>
8359
8360         * options.h (origin): New -z option.
8361         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
8362         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
8363         in DT_FLAGS_1.
8364
8365 2008-09-05  Cary Coutant  <ccoutant@google.com>
8366
8367         * fileread.cc (File_read::make_view): Add check for attempt to map
8368         beyond end of file.
8369
8370 2008-09-05  Cary Coutant  <ccoutant@google.com>
8371
8372         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
8373         explicit instantiations.
8374
8375 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
8376
8377         PR gold/6858
8378         * options.cc (General_options::finalize): Allow undefined symbols
8379         in shlibs if linking -shared.
8380
8381         PR gold/6859
8382         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
8383         symbols as not needing a dynsym entry.
8384
8385 2008-08-20  Craig Silverstein  <csilvers@google.com>
8386
8387         * fileread.cc (File_read::open): Do not lock the file unless it
8388         was successfully opened.
8389
8390 2008-08-14  Cary Coutant  <ccoutant@google.com>
8391
8392         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
8393         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
8394         * testsuite/tls_test.cc (struct int128): 128-bit struct
8395         for testing TLS relocs with non-zero addend.
8396         (v12): New TLS variable.
8397         (t12): New test.
8398         (t_last): Add check for v12.
8399         * testsuite/tls_test.h (t12): New function.
8400         * testsuite/tls_test_main.cc (thread_routine): Call new test.
8401
8402 2008-08-13  Ian Lance Taylor  <iant@google.com>
8403
8404         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
8405         set tls_segment_ or relro_segment_.
8406         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
8407         when appropriate.
8408         * output.h (Output_section::clear_is_relro): New function.
8409         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
8410         sections specially even when output_data_ is empty.
8411         (Output_segment::maximum_alignment): When first section is relro,
8412         only force alignment for PT_LOAD segments.
8413         * script.cc (script_data_segment_align): New function.
8414         (script_data_segment_relro_end): New function.
8415         * script-c.h (script_data_segment_align): Declare.
8416         (script_data_segment_relro_end): Declare.
8417         * script-sections.h (class Script_sections): Declare
8418         data_segment_align and data_segment_relro_end.  Add fields
8419         segment_align_index_ and saw_relro_end_.
8420         * script-sections.cc (class Sections_element): Add set_is_relro
8421         virtual function.  Add new bool* parameter to place_orphan_here.
8422         Add get_output_section virtual function.
8423         (class Output_section_definition): Add set_is_relro.  Add new
8424         bool* parameter to place_orphan_here.  Add get_output_section.
8425         Add is_relro_ field.
8426         (Output_section_definition::Output_section_definition): Initialize
8427         evaluated_address_, evaluated_load_address, evaluated_addralign_,
8428         and is_relro_ fields.
8429         (Output_section_definition::place_orphan_here): Add is_relro
8430         parameter.
8431         (Output_section_definition::set_section_addresses): Set relro for
8432         output section.
8433         (Output_section_definition::alternate_constraint): Likewise.
8434         (class Orphan_output_section): Add new bool* parameter to
8435         place_orphan_here.  Add get_output_section.
8436         (Orphan_output_section::place_orphan_here): Add is_relro
8437         parameter.
8438         (Script_sections::Script_sections): Initialize
8439         data_segment_align_index_ and saw_relro_end_.
8440         (Script_sections::data_segment_align): New function.
8441         (Script_sections::data_segment_relro_end): New function.
8442         (Script_sections::place_orphan): Set or clear is_relro.
8443         (Script_sections::set_section_addresses): Force alignment of first
8444         TLS section.
8445         * yyscript.y (exp): Call script_data_segment_align and
8446         script_data_segment_relro_end.
8447         * testsuite/relro_script_test.t: New file.
8448         * testsuite/relro_test.cc (using_script): Declare.
8449         (t1, t2): Test using_script.
8450         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
8451         (relro_script_test_SOURCES): Define.
8452         (relro_script_test_DEPENDENCIES): Define.
8453         (relro_script_test_LDFLAGS): Define.
8454         (relro_script_test_LDADD): Define.
8455         (relro_script_test.so): New target.
8456         * testsuite/Makefile.in: Rebuild.
8457
8458 2008-08-06  Cary Coutant <ccoutant@google.com>
8459
8460         * archive.cc (Archive::total_archives, Archive::total_members)
8461         (Archive::total_members_loaded): New variables.
8462         (Archive::setup): Add parameter.  Add option to preread
8463         archive symbols.
8464         (Archive::read_armap): Add counter.
8465         (Archive::get_file_and_offset): New function.
8466         (Archive::get_elf_object_for_member): New function.
8467         (Archive::read_all_symbols): New function.
8468         (Archive::read_symbols): New function.
8469         (Archive::add_symbols): Add counters.
8470         (Archive::include_all_members): Use armap to find members if it's
8471         already built.
8472         (Archive::include_member): Skip reading symbols if already read.
8473         Factored code into Archive::get_file_and_offset and
8474         Archive::get_elf_object_for_member.  Changed call to
8475         Mapfile::report_include_archive_member.
8476         (Archive::print_stats): New function.
8477         * archive.h: Declare Object and Read_symbols_data classes.
8478         (Archive::Archive): Add initializers for new members.
8479         (Archive::setup): Add parameter.
8480         (Archive::print_stats): New function.
8481         (Archive::total_archives, Archive::total_members)
8482         (Archive::total_members_loaded): New variables.
8483         (Archive::get_file_and_offset): New function.
8484         (Archive::get_elf_object_for_member): New function.
8485         (Archive::read_all_symbols): New function.
8486         (Archive::read_symbols): New function.
8487         (Archive::Archive_member): New class.
8488         (Archive::members_): New member.
8489         (Archive::num_members_): New member.
8490         * main.cc: Include archive.h.
8491         (main): Call Archive::print_stats.
8492         * mapfile.cc (Mapfile::report_include_archive_member): Delete
8493         archive parameter; member_name is now the fully-decorated name.
8494         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
8495         * options.h: (General_options): Add --preread-archive-symbols option.
8496         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
8497         Archive::setup.
8498
8499 2008-08-04  Ian Lance Taylor  <iant@google.com>
8500
8501         * symtab.h (Symbol::use_plt_offset): New function.
8502         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
8503         * powerpc.cc (Relocate::relocate): Likewise.
8504         * sparc.cc (Relocate::relocate): Likewise.
8505         * x86_64.cc (Relocate::relocate): Likewise.
8506         * testsuite/weak_plt.sh: New test.
8507         * testsuite/weak_plt_main.cc: New test.
8508         * testsuite/weak_plt_shared.cc: New test.
8509         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
8510         (check_PROGRAMS): Add weak_plt.
8511         (check_DATA): Add weak_plt_shared.so.
8512         (weak_plt_main_pic.o, weak_plt): New targets.
8513         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
8514         * testsuite/Makefile.in: Rebuild.
8515
8516         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
8517         gcctestdir/ld.
8518         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
8519         * testsuite/Makefile.in: Rebuild.
8520
8521 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
8522
8523         * Makefile.am (POTFILES.in): Set LC_ALL=C.
8524         * Makefile.in: Regenerate.
8525         * po/POTFILES.in: Regenerate.
8526
8527 2008-07-29  Ian Lance Taylor  <iant@google.com>
8528
8529         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
8530         symbols before other symbols.
8531         * testsuite/script_test_2.cc (test_addr): Declare.
8532         (test_addr_alias): Declare.
8533         (main): Check that test_addr and test_addr_alias have the right
8534         values.
8535         * testsuite/script_test_2.t: Define test_addr_alias and
8536         test_addr.
8537
8538 2008-07-24  Ian Lance Taylor  <iant@google.com>
8539
8540         PR 5990
8541         * descriptors.cc: New file.
8542         * descriptors.h: New file.
8543         * gold-threads.h (class Hold_optional_lock): New class.
8544         * fileread.cc: Include "descriptors.h".
8545         (File_read::~File_read): Release descriptor rather than closing
8546         it.
8547         (File_read::open) [file]: Call open_descriptor rather than open.
8548         Set is_descriptor_opened_.
8549         (File_read::open) [memory]: Assert that descriptor is not open.
8550         (File_read::reopen_descriptor): New function.
8551         (File_read::release): Release descriptor.
8552         (File_read::do_read): Make non-const.  Reopen descriptor.
8553         (File_read::read): Make non-const.
8554         (File_read::make_view): Reopen descriptor.
8555         (File_read::do_readv): Likewise.
8556         * fileread.h (class File_read): Add is_descriptor_opened_ field.
8557         Update declarations.
8558         * layout.cc: Include "descriptors.h".
8559         (Layout::create_build_id): Use open_descriptor rather than open.
8560         * output.cc: Include "descriptors.h".
8561         (Output_file::open): Use open_descriptor rather than open.
8562         * archive.cc (Archive::const_iterator): Change Archive to be
8563         non-const.
8564         (Archive::begin, Archive::end): Make non-const.
8565         (Archive::count_members): Likewise.
8566         * archive.h (class Archive): Update declarations.
8567         * object.h (Object::read): Make non-const.
8568         * Makefile.am (CCFILES): Add descriptors.cc.
8569         (HFILES): Add descriptors.h.
8570         * Makefile.in: Rebuild.
8571
8572         PR 6716
8573         * gold.h: Always include <clocale>.  Add Solaris workarounds
8574         following code in binutils/sysdep.h.
8575
8576         PR 6048
8577         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
8578         this->eh_frame_hdr_ is NULL before using it.
8579
8580         * dynobj.cc (Versions::Versions): Update comment.
8581
8582         * dynobj.cc (Versions::Versions): If there is an soname, use it as
8583         the base version name.
8584
8585         * stringpool.cc (Stringpool_template::add_with_length): Set key to
8586         array size plus one.
8587         (Stringpool_template::set_string_offsets): Subtract one from key
8588         before using it as an array index.
8589         (Stringpool_template::get_offset_with_length): Likewise.
8590         (Stringpool_template::write_to_buffer): Likewise.
8591         * stringpool.h (Stringpool_template::get_offset_from_key):
8592         Likewise.
8593
8594 2008-07-23  Ian Lance Taylor  <iant@google.com>
8595
8596         PR 6658
8597         * object.h (Merged_symbol_value::value): Do our best to handle a
8598         negative addend.
8599
8600         PR 6647
8601         * script.cc (Version_script_info::get_versions): Don't add empty
8602         version tag to return value.
8603         (Version_script_info::get_symbol_version_helper): Change return
8604         type to bool.  Add pversion parameter.  Change all callers.
8605         (script_register_vers_node): Don't require a non-NULL tag.
8606         * script.h (class Version_script_info): Update declarations.
8607         (Version_script_info::get_symbol_version): Change return type to
8608         bool.  Add version parameter.  Change all callers.
8609         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
8610         handling.  Handle an empty version from a version script.
8611         (Symbol_table::define_special_symbol): Likewise.
8612         * testsuite/ver_test_10.script: New file.
8613         * testsuite/ver_test_10.sh: New file.
8614         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
8615         (check_DATA): Add ver_test_10.syms.
8616         (ver_test_10.syms, ver_test_10.so): New target.
8617         * testsuite/Makefile.in: Rebuild.
8618
8619 2008-07-23  Simon Baldwin  <simonb@google.com>
8620
8621         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
8622         to zero for undefined symbols from dynamic libraries.
8623
8624 2008-07-23  Ian Lance Taylor  <iant@google.com>
8625
8626         * symtab.cc (Symbol_table::resolve): Remove version parameter.
8627         Change all callers.
8628         * symtab.h (class Symbol_table): Update declaration.
8629         * testsuite/ver_test_9.cc: New file.
8630         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
8631         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
8632         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
8633         (ver_test_9.so, ver_test_9.o): New targets.
8634         * testsuite/Makefile.in: Rebuild.
8635
8636 2008-07-22  Ian Lance Taylor  <iant@google.com>
8637
8638         * options.h (class General_options): Define --check-sections.
8639         * layout.cc (Layout::set_segment_offsets): Handle
8640         --check-sections.
8641
8642         * options.h (class General_options): Define -n/--nmagic and
8643         -N/--omagic.
8644         * options.cc (General_options::finalize): For -n/--nmagic or
8645         -N/--omagic, set -static.
8646         * layout.cc (Layout::attach_allocated_section_to_segment): If
8647         -N/--omagic, don't put read-only and read-write sections in
8648         different segments.
8649         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
8650         finding a read-only segment.
8651         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
8652         don't set the minimum segment alignment to the common page size,
8653         and don't set the file offset to the address modulo the page size.
8654         * script-sections.cc (Script_sections::create_segments): If
8655         -n/--omagic, don't put read-only and read-write sections in
8656         different segments.
8657
8658         * cref.cc: New file.
8659         * cref.h: New file.
8660         * options.h (class General_options): Add --print-symbol-counts.
8661         * main.cc (main): Issue defined symbol report if requested.
8662         * archive.cc (Archive::interpret_header): Make into a const member
8663         function.
8664         (Archive::add_symbols): Call Input_objects::archive_start and
8665         archive_stop.
8666         (Archive::const_iterator): Define new class.
8667         (Archive::begin, Archive::end): New functions.
8668         (Archive::include_all_members): Rewrite to use iterator.
8669         (Archive::count_members): New function.
8670         * archive.h (class Archive): Update declarations.
8671         (Archive::filename): New function.
8672         * object.cc: Include "cref.h".
8673         (Sized_relobj::Sized_relobj): Initialize defined_count_.
8674         (Sized_relobj::do_get_global_symbol_counts): New function.
8675         (Input_objects::add_object): Add object to cross-referencer.
8676         (Input_objects::archive_start): New function.
8677         (Input_objects::archive_stop): New function.
8678         (Input_objects::print_symbol_counts): New function.
8679         * object.h: Declare Cref and Archive.
8680         (Object::get_global_symbol_counts): New function.
8681         (Object::do_get_global_symbol_counts): New pure virtual function.
8682         (class Sized_relobj): Add defined_count_ field.  Update
8683         declarations.
8684         (class Input_objects): Add cref_ field.  Update constructor.
8685         Update declarations.
8686         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
8687         defined_count_.
8688         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
8689         symbol counts.
8690         (Sized_dynobj::do_get_global_symbol_counts): New function.
8691         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
8692         defined_count_.  Update declarations.  Define Symbols typedef.
8693         * symtab.cc (Symbol_table::add_from_relobj): Add defined
8694         parameter.  Change all callers.
8695         (Symbol_table::add_from_dynobj): Add sympointers and defined
8696         parameters.  Change all callers.
8697         * symtab.h (class Symbol_table): Update declarations.
8698         * Makefile.am (CCFILES): Add cref.cc.
8699         (HFILES): Add cref.h.
8700         * Makefile.in: Rebuild.
8701
8702 2008-07-22  Simon Baldwin  <simonb@google.com>
8703
8704         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8705         to zero when writing undefined symbols.
8706
8707 2008-07-22  Ian Lance Taylor  <iant@google.com>
8708
8709         * output.cc (Output_section::add_input_section): Don't try to
8710         merge empty merge sections.
8711
8712 2008-07-21  Craig Silverstein  <csilvers@google.com>
8713
8714         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8715         Include symbol version in error message.
8716
8717 2008-07-20  Chris Demetriou  <cgd@google.com>
8718
8719         * configure.ac (gold_cv_c_random_seed): New configured variable.
8720         (RANDOM_SEED_CFLAGS): New substituted variable.
8721         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8722         * configure: Rebuild.
8723         * Makefile.in: Likewise.
8724         * testsuite/Makefile.in: Likewise.
8725
8726 2008-07-18  Ian Lance Taylor  <iant@google.com>
8727
8728         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8729         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8730         * testsuite/ver_test_main.cc (main): Call t4.
8731         (t4, t4_2a): Define.
8732         * testsuite/ver_test_2.cc (t4_2): Define.
8733         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8734         * testsuite/ver_test_4.cc (t4_2a): Define.
8735         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8736         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8737
8738 2008-07-17  Ian Lance Taylor  <iant@google.com>
8739
8740         * dynobj.cc (Versions::add_def): If we give an error about a
8741         missing version, go ahead and create the version anyhow.
8742
8743 2008-07-10  Ian Lance Taylor  <iant@google.com>
8744
8745         Handle output sections with more than 0x7fffffff bytes.
8746         * object.h (class Relobj): Change map_to_output_ to
8747         output_sections_, and just keep a section pointer.  Change all
8748         uses.  Move comdat group support to Sized_relobj.
8749         (Relobj::is_section_specially_mapped): Remove.
8750         (Relobj::output_section): Remove poff parameter.  Change all
8751         callers.
8752         (Relobj::output_section_offset): New function.
8753         (Relobj::set_section_offset): Rewrite.
8754         (Relobj::map_to_output): Remove.
8755         (Relobj::output_sections): New function.
8756         (Relobj::do_output_section_offset): New pure virtual function.
8757         (Relobj::do_set_section_offset): Likewise.
8758         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8759         group support from Relobj.  Update declarations.
8760         (Sized_relobj::get_output_section_offset): New function.
8761         (Sized_relobj::do_output_section_offset): New function.
8762         (Sized_relobj::do_set_section_offset): New function.
8763         * object.cc (Relobj::output_section_address): Remove.
8764         (Sized_relobj::Sized_relobj): Initialize new fields.
8765         (Sized_relobj::include_section_group): Cast find_kept_object to
8766         Sized_relobj.
8767         (Sized_relobj::include_linkonce_section): Likewise.
8768         (Sized_relobj::do_layout): Use separate arrays for output section
8769         and output offset.
8770         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8771         output_sections.
8772         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8773         output_sections and section_offsets.
8774         (Sized_relobj::write_local_symbols): Likewise.
8775         (map_to_kept_section): Compute output address directly.
8776         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8777         output_sections and section_offsets.
8778         (Sized_relobj::write_sections): Likewise.
8779         (Sized_relobj::relocate_sections): Likewise.
8780         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8781         * output.h (class Output_reloc): Update declarations.  Change
8782         u2_.relobj to Sized_relobj*.
8783         (class Output_data_reloc): Change add functions to use
8784         Sized_relobj*.
8785         * output.cc (Output_reloc::Output_reloc): Change relobj to
8786         Sized_relobj*.
8787         (Output_reloc::local_section_offset): Change return type to
8788         Elf_Addr.  Use get_output_section_offset.
8789         (Output_reloc::get_address): Likewise.
8790         (Output_section::is_input_address_mapped): Don't call
8791         is_section_specially_mapped.
8792         (Output_section::output_offset): Likewise.
8793         (Output_section::output_address): Likewise.
8794         (Output_section::starting_output_address): Likewise.
8795         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8796         parameter to Sized_relobj*.
8797         (Copy_relocs::need_copy_reloc): Likewise.
8798         (Copy_relocs::save): Likewise.
8799         * copy-relocs.h (class Copy_relocs): Update declarations.
8800         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8801         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8802         * target-reloc.h (relocate_for_relocatable): Change
8803         offset_in_output_section type to Elf_Addr.  Change code that uses
8804         it as well.
8805         * layout.cc (Layout::layout): Always set *off.
8806         * mapfile.cc (Mapfile::print_input_section): Use
8807         output_section_offset.
8808         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8809         Sized_relobj*.
8810         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8811         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8812         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8813
8814 2008-07-03  Ian Lance Taylor  <iant@google.com>
8815
8816         * layout.cc (Layout::include_section): Do not discard unrecognized
8817         SHT_STRTAB sections.
8818
8819 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8820
8821         * script.cc (Lex::can_continue_name): Make '?' allowable in
8822         version-script names.
8823         * testsuite/version_script.map: Change glob pattern to use '?'
8824
8825 2008-06-30  Manish Singh  <yosh@gimp.org>
8826
8827         PR 6585
8828         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8829         Correct typo.
8830
8831 2008-06-30  Ian Lance Taylor  <iant@google.com>
8832
8833         PR 6660
8834         PR 6682
8835         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8836         versions]: Don't try to read the value in the contents, since we
8837         don't use it.  Use the template endianness when writing.
8838
8839 2008-06-25  Cary Coutant  <ccoutant@google.com>
8840
8841         * fileread.cc (File_read::make_view): Assert on zero-length view.
8842         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8843         symbol table when there are no symbols to read.
8844
8845 2008-06-23  Craig Silverstein  <csilvers@google.com>
8846
8847         * version.cc (version_string): Bump to 1.7
8848
8849 2008-06-18  Craig Silverstein  <csilvers@google.com>
8850
8851         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8852         constant 0xFFFF to type Valtype.
8853         (Powerpc_relocate_functions::rel16_ha): Likewise.
8854
8855 2008-06-17  Ian Lance Taylor  <iant@google.com>
8856
8857         * output.h (Output_section::Input_section): Initialize p2align_ to
8858         zero for Output_section_data constructors.
8859         (Output_section::Input_section::addralign): If not an input
8860         section, return the alignment of the Output_section_data.
8861         * testsuite/copy_test.cc: New file.
8862         * testsuite/copy_test_1.cc: New file.
8863         * testsuite/copy_test_2.cc: New file.
8864         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8865         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8866         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8867         (copy_test_1_pic.o, copy_test_1.so): New targets.
8868         (copy_test_2_pic.o, copy_test_2.so): New targets.
8869         * testsuite/Makefile.in: Rebuild.
8870
8871         * script-sections.cc (Script_sections::place_orphan): Initialize
8872         local variable exact.
8873
8874 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8875
8876         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8877
8878 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8879             David S. Miller  <davem@davemloft.net>
8880
8881         * powerpc.cc: New file.
8882         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8883         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8884         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8885         * Makefile.in: Rebuild.
8886
8887 2008-06-09  Ian Lance Taylor  <iant@google.com>
8888
8889         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8890         <exception>.
8891         (throwing, orig_terminate): New static variables.
8892         (terminate_handler): New static function.
8893         (t2): Set terminate handler.
8894
8895 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8896
8897         PR 6584
8898         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8899         alignment.
8900
8901 2008-05-30  Cary Coutant  <ccoutant@google.com>
8902
8903         * archive.cc (Archive::include_all_members) Correct to step
8904         over symbol table and extended name table in thin archives.
8905
8906 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8907
8908         PR 6407
8909         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8910         calculation.
8911
8912 2008-05-28  Caleb Howe  <cshowe@google.com>
8913
8914         * reduced_debug_output.cc: New file.
8915         * reduced_debug_output.h: New file.
8916         * options.h (class General_options): Add --strip-debug-non-line.
8917         * options.cc (General_options::finalize): Add strip_debug_non_line
8918         to the strip heirarchy.
8919         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8920         fields.
8921         * layout.cc: Include "reduced_debug_output.h".
8922         (Layout::Layout): Initialize new fields.
8923         (line_only_debug_sections): New static array.
8924         (is_lines_only_debug_sections): New static inline function.
8925         (Layout::include_section): Handle --strip-debug-non-line.
8926         (Layout::make_output_section): If --strip-debug-non-line, build
8927         new output sections for .debug_abbrev and .debug_info.
8928         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8929         gold.  Warn about possible overflow.
8930         (read_signed_LEB_128): Likewise.
8931         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8932         (read_signed_LEB_128): Declare.
8933         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8934         (HFILES): Add reduced_debug_output.h.
8935         * Makefile.in: Rebuild.
8936
8937 2008-05-21  Ian Lance Taylor  <iant@google.com>
8938
8939         * mapfile.cc: New file.
8940         * mapfile.h: New file.
8941         * options.h (class General_options): Add -M/--print-map and -Map.
8942         * options.cc (General_options::finalize): Make -M equivalent to
8943         -Map -.
8944         * main.cc: Include <cstdio> and "mapfile.h".
8945         (main): Open mapfile if requested.
8946         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8947         constructor.  Change caller.
8948         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8949         (queue_middle_tasks): Likewise.
8950         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8951         declarations.
8952         * archive.cc: Include "mapfile.h".
8953         (Archive::add_symbols): Add mapfile parameter.  Change all
8954         callers.  Pass mapfile, symbol, and reason to include_member.
8955         (Archive::include_all_members): Add mapfile parameter.  Change all
8956         callers.
8957         (Archive::include_member): Add mapfile, sym, and why parameters.
8958         Change all callers.  Report inclusion to map file.
8959         * archive.h: Include "fileread.h".
8960         (class Archive): Update declarations.
8961         (Archive::file): New const method.
8962         (class Add_archive_symbols): Add mapfile_ field.  Update
8963         constructor.  Change all callers.
8964         * readsyms.h (class Read_symbols): Likewise.
8965         (class Finish_group): Likewise.
8966         (class Read_script): Likewise.
8967         * common.cc: Include "mapfile.h".
8968         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8969         all callers.
8970         (Symbol_table::do_allocate_commons): Likewise.
8971         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8972         symbol allocation to mapfile.
8973         * common.h (class Allocate_commons_task): Add mapfile_ field.
8974         Update constructor.  Change all callers.
8975         * symtab.h (class Symbol_table): Update declarations.
8976         * layout.cc: Include "mapfile.h".
8977         (Layout_task_runner::run): Print information to mapfile.
8978         (Layout::create_gold_note): Change Output_data_fixed_space to
8979         Output_data_zero_fill.
8980         (Layout::create_build_id): Likewise.
8981         (Layout::print_to_mapfile): New function.
8982         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8983         constructor.  Change caller.
8984         (class Layout): Declare print_to_mapfile.
8985         * output.cc (Output_section::Input_section::print_to_mapfile): New
8986         function.
8987         (Output_section::add_input_section): If producing a map, always
8988         add to input_sections_ list.
8989         (Output_section::do_print_to_mapfile): New function.
8990         (Output_segment::print_sections_to_mapfile): New function.
8991         (Output_segment::print_section_list_to_mapfile): New function.
8992         * output.h: Include "mapfile.h".
8993         (Output_data::print_to_mapfile): New function.
8994         (Output_data::do_print_to_mapfile): New virtual function.
8995         (Output_segment_headers::do_print_to_mapfile): New function.
8996         (Output_file_header::do_print_to_mapfile): New function.
8997         (Output_data_const::do_print_to_mapfile): New function.
8998         (class Output_data_const_buffer): Add map_name_ field.  Update
8999         constructor.  Change all callers.  Add do_print_to_mapfile
9000         function.
9001         (class Output_data_fixed_space): Likewise.
9002         (class Output_data_space): Likewise.
9003         (class Output_data_zero_fill): New class.
9004         (Output_data_strtab::do_print_to_mapfile): New function.
9005         (Output_data_reloc_base::do_print_to_mapfile): New function.
9006         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9007         (Output_data_group::do_print_to_mapfile): New function.
9008         (Output_data_got::do_print_to_mapfile): New function.
9009         (Output_data_dynamic::do_print_to_mapfile): New function.
9010         (Output_symtab_xindex::do_print_to_mapfile): New function.
9011         (class Output_section): Declare do_print_to_mapflie.  Declare
9012         print_to_mapfile in Input_section.
9013         (class Output_segment): Declare new functions.
9014         * object.h (Sized_relobj::symbol_count): New function.
9015         * script-sections.cc
9016         (Output_section_element_dot_assignment::set_section_addresses):
9017         Change Output_data_fixed_space to Output_data_zero_fill.
9018         (Output_data_expression::do_print_to_mapfile): New function.
9019         * script.cc (read_input_script): Add mapfile parameter.  Change
9020         all callers.
9021         * script.h (read_input_script): Update declaration.
9022         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9023         (Eh_frame::do_print_to_mapfile): New function.
9024         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9025         (Output_merge_string::do_print_to_mapfile): New function.
9026         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9027         function.
9028         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9029         function.
9030         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9031         function.
9032         * Makefile.am (CCFILES): Add mapfile.cc.
9033         (HFILES): Add mapfile.h.
9034         * Makefile.in: Rebuild.
9035
9036 2008-05-19  Ian Lance Taylor  <iant@google.com>
9037
9038         * options.h (class General_options): Add -z relro.
9039         * layout.cc (Layout::Layout): Initialize relro_segment_.
9040         (Layout::add_output_section_data): Return the output section.
9041         (Layout::make_output_section): Rcognize relro sections and mark
9042         them appropriately.
9043         (Layout::attach_allocated_section_to_segment): Put relro sections
9044         in a PT_GNU_RELRO segment.
9045         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9046         section as relro.
9047         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9048         PT_TLS segments.
9049         (Layout::linkonce_mapping): Map d.rel.ro.local to
9050         .data.rel.ro.local.
9051         (Layout::output_section_name): Us .data.rel.ro.local for any
9052         section which begins with that.
9053         * layout.h (class Layout): Update add_output_section_data
9054         declaration.  Add relro_segment_ field.
9055         * output.cc (Output_section::Output_section): Initialize is_relro_
9056         and is_relro_local_ fields.
9057         (Output_segment::add_output_section): Group relro sections.
9058         (Output_segment::is_first_section_relro): New function.
9059         (Output_segment::maximum_alignment): If there is a relro section,
9060         align the segment to the common page size.
9061         (Output_segment::set_section_addresses): Track whether we are
9062         looking at relro sections.  If the last section is a relro
9063         section, align to the common page size.
9064         (Output_segment::set_section_list_addresses): Add in_relro
9065         parameter.  Change all callers.  Align to the page size when
9066         moving from relro to non-relro section.
9067         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9068         segment.
9069         * output.h (class Output_section): Add is_relro_ and
9070         is_relro_local_ fields.
9071         (Output_section::is_relro): New function.
9072         (Output_section::set_is_relro): New function.
9073         (Output_section::is_relro_local): New function.
9074         (Output_section::set_is_relro_local): New function.
9075         (class Output_segment): Update declarations.
9076         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9077         * sparc.cc (Target_sparc::got_section): Likewise.
9078         * x86_64.cc (Target_x86_64::got_section): Likewise.
9079         * testsuite/relro_test_main.cc: New file.
9080         * testsuite/relro_test.cc: New file.
9081         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9082         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9083         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9084         (relro_test.so, relro_test_pic.o): New targets.
9085         * testsuite/Makefile.in: Rebuild.
9086
9087 2008-05-16  Ian Lance Taylor  <iant@google.com>
9088
9089         * output.cc (Output_segment::add_output_section): Remove front
9090         parameter.
9091         * output.h (class Output_segment): Remove
9092         add_initial_output_section and overloaded add_output_section.
9093         Update declaration of remaining add_output_section.
9094         * layout.cc (Layout::create_interp): Call add_output_section
9095         rather than add_initial_output_section.
9096         (Layout::finish_dynamic_section): Likewise.
9097
9098         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9099         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9100         know the dynamic type.
9101         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9102         field.  Initialize it in constructor.
9103         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9104         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9105         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9106         reloc.
9107
9108         * output.cc (Output_reloc::get_address): Change return type to
9109         Elf_Addr.
9110         * output.h (class Output_reloc): Update get_address declaration.
9111         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9112         for section addresses.
9113
9114 2008-05-09  Ian Lance Taylor  <iant@google.com>
9115
9116         PR 6493
9117         * gold.cc (gold_nomem): Use return value of write.
9118
9119 2008-05-08  Ian Lance Taylor  <iant@google.com>
9120
9121         * symtab.c (Symbol::init_base_output_data): Add version
9122         parameter.  Change all callers.
9123         (Symbol::init_base_output_segment): Likewise.
9124         (Symbol::init_base_constant): Likewise.
9125         (Symbol::init_base_undefined): Likewise.
9126         (Sized_symbol::init_output_data): Likewise.
9127         (Sized_symbol::init_output_segment): Likewise.
9128         (Sized_symbol::init_constant): Likewise.
9129         (Sized_symbol::init_undefined): Likewise.
9130         (Symbol_table::do_define_in_output_data): If the new symbol has a
9131         version, mark it as the default.
9132         (Symbol_table::do_define_in_output_segment): Likewise.
9133         (Symbol_table::do_define_as_constant): Likewise.
9134         * symtab.h (class Symbol): Update declarations.
9135         (class Sized_symbol): Likewise.
9136         * resolve.cc (Symbol::override_version): New function.
9137         (Symbol::override_base): Call override_version.
9138         (Symbol::override_base_with_special): Likewise.
9139         * testsuite/ver_script_8.script: New file.
9140         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9141         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9142         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9143         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9144
9145 2008-05-06  Ian Lance Taylor  <iant@google.com>
9146
9147         PR 6049
9148         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9149         functions.
9150         (class General_options): Remove existing --undefined, and add
9151         --no-undefined instead.  Add new --undefined as synonym for -u.
9152         * archive.cc (Archive::add_symbols): Check whether symbol was
9153         named with -u.
9154         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9155         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9156         all uses.  Add IS_UNDEFINED.  Update declarations to split
9157         different versions of init_base.  Declare init_base_undefined.
9158         (Symbol::is_defined): Handle IS_UNDEFINED.
9159         (Symbol::is_undefined): Likewise.
9160         (Symbol::is_weak_undefined): Call is_undefined.
9161         (Symbol::is_absolute): Handle IS_CONSTANT.
9162         (class Sized_symbol): Update declarations to split different
9163         versions of init.  Declare init_undefined.
9164         (class Symbol_table): Declare new functions.
9165         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9166         Change all callers.
9167         (Symbol::init_base_output_data): Likewise.
9168         (Symbol::init_base_output_segment): Likewise.
9169         (Symbol::init_base_constant): Likewise.
9170         (Symbol::init_base_undefined): New function.
9171         (Sized_symbol::init_object): Rename from init.  Change all
9172         callers.
9173         (Sized_symbol::init_output_data): Likewise.
9174         (Sized_symbol::init_output_segment): Likewise.
9175         (Sized_symbol::init_constant): Likewise.
9176         (Sized_symbol::init_undefined): New function.
9177         (Symbol_table::add_undefined_symbols_from_command_line): New
9178         function.
9179         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9180         function.
9181         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9182         (Symbol::output_section): Likewise.
9183         (Symbol::set_output_section): Likewise.
9184         (Symbol_table::sized_finalize_symbol): Likewise.
9185         (Symbol_table::sized_write_globals): Likewise.
9186         * resolve.cc (Symbol_table::should_override): Likewise.
9187         (Symbol::override_base_with_special): Likewise.
9188
9189         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9190         symbol, change it to have default visibility.
9191         * testsuite/protected_1.cc: New file.
9192         * testsuite/protected_2.cc: New file.
9193         * testsuite/protected_3.cc: New file.
9194         * testsuite/protected_main_1.cc: New file.
9195         * testsuite/protected_main_2.cc: New file.
9196         * testsuite/protected_main_3.cc: New file.
9197         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9198         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9199         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9200         (protected_1.so): New target.
9201         (protected_1_pic.o, protected_2_pic.o): New targets.
9202         (protected_3_pic.o): New target.
9203         (check_PROGRAMS): Add protected_2.
9204         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9205         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9206         * testsuite/Makefile.in: Rebuild.
9207
9208         * options.h (DEFINE_var): Add set_user_set_##varname__.
9209         (DEFINE_bool_alias): New macro.
9210         (class General_options): Define -Bstatic using DEFINE_bool_alias
9211         rather than DEFINE_special.  Add --undefined as an alias for -z
9212         defs.
9213         * options.cc (General_options::parse_Bstatic): Remove.
9214
9215         * options.h (class General_options): Add --fatal-warnings.
9216         * main.cc (main): Implement --fatal-warnings.
9217         * errors.h (Errors::warning_count): New function.
9218
9219         * options.h (class General_options): Add -Bsymbolic-functions.
9220         * symtab.h (Symbol::is_preemptible): Check for
9221         -Bsymbolic-functions.
9222
9223 2008-05-05  Ian Lance Taylor  <iant@google.com>
9224
9225         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9226         as noVARNAME rather than no-VARNAME.
9227         (class General_options): Add option -z combreloc.
9228         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9229         get_address.
9230         (Output_reloc::sort_before) [SHT_REL]: New function.
9231         (Output_reloc::sort_before) [SHT_RELA]: New function.
9232         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9233         Sort_relocs_comparison.
9234         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9235         parameter.  Change all callers.
9236         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9237         sort_relocs parameter.  Change all callers.
9238         * output.cc (Output_reloc::get_address): New function, broken out
9239         of write_rel.
9240         (Output_reloc::write_rel): Call it.
9241         (Output_reloc::compare): New function.
9242         (Output_data_reloc_base::do_write): Optionally sort relocs.
9243
9244         * configure.ac: If targ_extra_obj is set, link it in.
9245         * configure.tgt: Initialize all variables.
9246         (x86_64*): Set targ_extra_obj and targ_extra_size.
9247         * configure: Rebuild.
9248
9249         * object.cc (Sized_relobj::include_section_group): Adjust section
9250         indexes read from group data.  Build vector to pass to
9251         layout_group.
9252         * layout.cc (Layout::layout_group): Add flags and shndxes
9253         parameters.  Remove contents parameter.  Change caller.  Update
9254         explicit instantiations.
9255         * layout.h (class Layout): Update layout_group declaration.
9256         * output.cc (Output_data_group::Output_data_group): Add flags and
9257         input_shndxes parameters.  Remove contents parameter.  Change
9258         caller.
9259         (Output_data_group::do_write): Change input_sections_ to
9260         input_shndxes_.
9261         * output.h (class Output_data_group): Update constructor
9262         declaration.  Rename input_sections_ to input_shndxes_.
9263         * testsuite/many_sections_test.cc: Add template.
9264
9265 2008-04-30  Cary Coutant  <ccoutant@google.com>
9266
9267         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9268
9269         * layout.cc (Layout::include_section): Refactored check for debug
9270         info section.
9271         (Layout::add_comdat): Add new parameters.  Change type
9272         of signature parameter.  Add object and shndx to signatures table.
9273         (Layout::find_kept_object): New function.
9274         * layout.h: Include <cstring>.
9275         (Layout::is_debug_info_section): New function.
9276         (Layout::add_comdat): Add new parameters.
9277         (Layout::find_kept_object): New function.
9278         (Layout::Kept_section): New struct.
9279         (Layout::Signatures): Change type of map range.
9280         * object.cc (Relobj::output_section_address): New function.
9281         (Sized_relobj::include_section_group): Add new parameters.  Change
9282         calls to Layout::add_comdat.  Change to build table of kept comdat
9283         groups and table mapping discarded sections to kept sections.
9284         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9285         (Sized_relobj::do_layout): Change calls to include_section_group and
9286         include_linkonce_section.
9287         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9288         value to zero when section is discarded.
9289         (Sized_relobj::map_to_kept_section): New function.
9290         * object.h (Relobj::output_section_address): New function.
9291         (Relobj::Comdat_group): New type.
9292         (Relobj::find_comdat_group): New function.
9293         (Relobj::Comdat_group_table): New type.
9294         (Relobj::Kept_comdat_section): New type.
9295         (Relobj::Kept_comdat_section_table): New type.
9296         (Relobj::add_comdat_group): New function.
9297         (Relobj::set_kept_comdat_section): New function.
9298         (Relobj::get_kept_comdat_section): New function.
9299         (Relobj::comdat_groups_): New field.
9300         (Relobj::kept_comdat_sections_): New field.
9301         (Symbol_value::input_value): Update comment.
9302         (Sized_relobj::map_to_kept_section) New function.
9303         (Sized_relobj::include_linkonce_section): Add new parameter.
9304         * target-reloc.h (Comdat_behavior): New type.
9305         (get_comdat_behavior): New function.
9306         (relocate_section): Add code to map a discarded section to the
9307         corresponding kept section when applying a relocation.
9308
9309 2008-04-30  Craig Silverstein  <csilvers@google.com>
9310
9311         * dwarf_reader.cc (next_generation_count): New static var.
9312         (Addr2line_cache_entry): New struct.
9313         (addr2line_cache): New static var.
9314         (Dwarf_line_info::one_addr2line): Added caching.
9315         (Dwarf_line_info::clear_addr2line_cache): New function.
9316         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
9317         cache-size parameter.
9318         (Dwarf_line_info::one_addr2line_cache): New function.
9319         * symtab.cc (Symbol_table::detect_odr_violations): Pass
9320         new cache-size argument to one_addr2line(), and clear cache.
9321
9322 2008-04-28  Cary Coutant  <ccoutant@google.com>
9323
9324         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
9325         R_386_PC8 relocations.
9326
9327 2008-04-23  Ian Lance Taylor  <iant@google.com>
9328
9329         * object.cc (Sized_relobj::include_section_group): Check for
9330         invalid section group.
9331
9332         * object.cc (make_elf_object): Correct test for 64-bit ELF file
9333         header size.
9334
9335         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
9336         than read for file header.
9337         * archive.cc (Archive::include_member): Likewise.
9338
9339 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
9340
9341         * aclocal.m4: Regenerate.
9342         * configure: Regenerate.
9343
9344 2008-04-19  Ian Lance Taylor  <iant@google.com>
9345
9346         * version.cc (version_string): Bump to 1.6.
9347
9348         * testsuite/Makefile.am (many_sections_r_test): New target.
9349         (many_sections_r_test_SOURCES): Remove.
9350         (many_sections_r_test_DEPENDENCIES): Remove.
9351         (many_sections_r_test_LDFLAGS): Remove.
9352         (many_sections_r_test_LDADD): Remove.
9353
9354         * object.cc (Sized_relobj::do_add_symbols): Always pass
9355         local_symbol_count_ to add_from_relobj.
9356
9357         * testsuite/Makefile.am (many_sections_check.h): Only check one in
9358         every thousand variables.
9359         * testsuite/Makefile.in: Rebuild.
9360
9361         * object.cc (Xindex::initialize_symtab_xindex): New function.
9362         (Xindex::read_symtab_xindex): New function.
9363         (Xindex::sym_xindex_to_shndx): New function.
9364         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
9365         available.
9366         (Sized_relobj::do_initialize_xindex): New function.
9367         (Sized_relobj::do_read_symbols): Adjust section links.
9368         (Sized_relobj::symbol_section_and_value): Add is_ordinary
9369         parameter.  Change all callers.
9370         (Sized_relobj::include_section_group): Adjust section links and
9371         symbol section indexes.
9372         (Sized_relobj::do_layout): Adjust section links.
9373         (Sized_relobj::do_count_local_symbols): Adjust section links and
9374         symbol section indexes.
9375         (Sized_relobj::do_finalize_local_symbols): Distinguish between
9376         ordinary and special symbols.
9377         (Sized_relobj::write_local_symbols): Add symtab_xindex and
9378         dynsym_xindex parameters.  Change all callers.  Adjust section
9379         links.  Use SHN_XINDEX when needed.
9380         (Sized_relobj::get_symbol_location_info): Adjust section links.
9381         Don't get fooled by special symbols.
9382         * object.h (class Xindex): Define.
9383         (class Object): Add xindex_ parameter.  Declare virtual functoin
9384         do_initialize_xindex.
9385         (Object::adjust_sym_shndx): New function.
9386         (Object::set_xindex): New protected function.
9387         (class Symbol_value): Add is_ordinary_shndx_ field.
9388         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
9389         (Symbol_value::value): Assert ordinary section.
9390         (Symbol_value::initialize_input_to_output_map): Likewise.
9391         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
9392         Change all callers.
9393         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
9394         all callers.
9395         (class Sized_relobj): Update declarations.
9396         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
9397         parameter.  Change all callers.
9398         (Sized_relobj::adjust_shndx): New function.
9399         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
9400         field.
9401         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
9402         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
9403         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
9404         (Sized_dynobj::read_dynsym_section): Adjust section links.
9405         (Sized_dynobj::read_dynamic): Likewise.
9406         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
9407         section links.
9408         (Sized_dynobj::do_initialize_xindex): New function.
9409         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
9410         do_initialize_xindex.
9411         (Sized_dynobj::adjust_shndx): New function.
9412         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
9413         dynsym_xindex_ fields.
9414         (Layout::finalize): Add a call to set_section_indexes before
9415         creating the symtab sections.
9416         (Layout::set_section_indexes): Don't do anything if the section
9417         already has a section index.
9418         (Layout::create_symtab_sections): Add shnum parameter.  Change
9419         caller.  Create .symtab_shndx section if needed.
9420         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
9421         caller.
9422         (Layout::allocated_output_section_count): New function.
9423         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
9424         needed.
9425         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
9426         fields.  Update declarations.
9427         (Layout::symtab_xindex): New function.
9428         (Layout::dynsym_xindex): New function.
9429         (class Write_symbols_task): Add layout_ field.
9430         (Write_symbols_task::Write_symbols_task): Add layout parameter.
9431         Change caller.
9432         * output.cc (Output_section_headers::Output_section_headers): Add
9433         shstrtab_section parameter.  Change all callers.
9434         (Output_section_headers::do_sized_write): Store overflow values
9435         for section count and section string table section index in
9436         section header zero.
9437         (Output_file_header::do_sized_write): Check for overflow of
9438         section count and section string table section index.
9439         (Output_symtab_xindex::do_write): New function.
9440         (Output_symtab_xindex::endian_do_write): New function.
9441         * output.h (class Output_section_headers): Add shstrtab_section_.
9442         Update declarations.
9443         (class Output_symtab_xindex): Define.
9444         (Output_section::has_out_shndx): New function.
9445         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
9446         field.
9447         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
9448         Change all callers.
9449         (Sized_symbol::init): Likewise.
9450         (Symbol::output_section): Check for ordinary symbol.
9451         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
9452         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
9453         callers.
9454         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
9455         Change all callers.  Simplify handling of symbols from sections
9456         not included in the link.
9457         (Symbol_table::add_from_dynobj): Handle ordinary symbol
9458         distinction.
9459         (Weak_alias_sorter::operator()): Assert that symbols are
9460         ordinary.
9461         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
9462         distinction.
9463         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
9464         parameters.  Change all callers.
9465         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
9466         symbol distinction.  Use SHN_XINDEX when needed.
9467         (Symbol_table::write_section_symbol): Add symtab_xindex
9468         parameter.  Change all callers.
9469         (Symbol_table::sized_write_section_symbol): Likewise.  Use
9470         SHN_XINDEX when needed.
9471         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
9472         declarations.
9473         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
9474         (Symbol::is_defined): Check is_ordinary.
9475         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
9476         (Symbol::is_absolute, Symbol::is_common): Likewise.
9477         (class Sized_symbol): Update declarations.
9478         (class Symbol_table): Update declarations.
9479         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
9480         parameters.  Change all callers.
9481         (Sized_symbol::override): Likewise.
9482         (Symbol_table::override): Likewise.
9483         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
9484         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
9485         is_ordinary, and orig_st_shndx parameters.  Change all callers.
9486         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
9487         to be in an ordinary section.
9488         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
9489         object and is_ordinary parameters.  Change all callers.
9490         (Sized_dwarf_line_info::read_relocs): Add object parameter.
9491         Change all callers.  Don't add undefined or non-ordinary symbols
9492         to reloc_map_.
9493         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
9494         Change all callers.
9495         * dwarf_reader.h (class Sized_dwarf_line_info): Update
9496         declarations.
9497         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
9498         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
9499         (Sized_relobj::relocate_sections): Likewise.
9500         * target-reloc.h (scan_relocs): Adjust section symbol index.
9501         (scan_relocatable_relocs): Likewise.
9502         * i386.cc (Scan::local): Check for ordinary symbols.
9503         * sparc.cc (Scan::local): Likewise.
9504         * x86_64.cc (Scan::local): Likewise.
9505         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
9506         to symbol_section_and_value.
9507         * testsuite/many_sections_test.cc: New file.
9508         * testsuite/Makefile.am (BUILT_SOURCES): Define.
9509         (check_PROGRAMS): Add many_sections_test.
9510         (many_sections_test_SOURCES): Define.
9511         (many_sections_test_DEPENDENCIES): Define.
9512         (many_sections_test_LDFLAGS): Define.
9513         (BUILT_SOURCES): Add many_sections_define.h.
9514         (many_sections_define.h): New target.
9515         (BUILT_SOURCES): Add many_sections_check.h.
9516         (many_sections_check.h): New target.
9517         (check_PROGRAMS): Add many_sections_r_test.
9518         (many_sections_r_test_SOURCES): Define.
9519         (many_sections_r_test_DEPENDENCIES): Define.
9520         (many_sections_r_test_LDFLAGS): Define.
9521         (many_sections_r_test_LDADD): Define.
9522         (many_sections_r_test.o): New target.
9523         * testsuite/Makefile.in: Rebuild.
9524
9525 2008-04-17  Cary Coutant  <ccoutant@google.com>
9526
9527         * errors.cc (Errors::info): New function.
9528         (gold_info): New function.
9529         * errors.h (Errors::info): New function.
9530         * gold.h (gold_info): New function.
9531         * object.cc (Input_objects::add_object): Print trace output.
9532         * options.cc (options::parse_set): New function.
9533         (General_options::parse_wrap): Deleted.
9534         (General_options::General_options): Deleted initializer.
9535         * options.h (options::String_set): New typedef.
9536         (options::parse_set): New function.
9537         (DEFINE_set): New macro.
9538         (General_options::wrap): Changed to use DEFINE_set. Changed
9539         callers of any_wrap_symbols and is_wrap_symbol.
9540         (General_options::trace, General_options::trace_symbol):
9541         New options.
9542         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
9543         (General_options::wrap_symbols_): Deleted.
9544         * symtab.cc (Symbol_table::add_from_object): Print trace output.
9545
9546 2008-04-17  David S. Miller  <davem@davemloft.net>
9547
9548         * options.cc (General_options::parse_V): New function.
9549         * options.h: Add entries for -V and -Qy.
9550
9551 2008-04-17  Ian Lance Taylor  <iant@google.com>
9552
9553         * common.cc (Symbol_table::allocate_commons): Remove options
9554         parameter.  Change caller.
9555         (Symbol_table::do_allocate_commons): Remove options parameter.
9556         Change caller.  Just call do_allocate_commons_list twice.
9557         (Symbol_table::do_allocate_commons_list): New function, broken out
9558         of do_allocate_commons.
9559         * common.h (class Allocate_commons_task): Remove options_ field.
9560         Update constructor.
9561         * symtab.cc (Symbol_table::Symbol_table): Initialize
9562         tls_commons_.
9563         (Symbol_table::add_from_object): Put TLS common symbols on
9564         tls_commons_ list.
9565         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
9566         which are IN_OUTPUT_DATA.
9567         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
9568         allocate_commons and do_allocate_commons declarations.  Declare
9569         do_allocate_commons_list.
9570         * gold.cc (queue_middle_tasks): Update creation of
9571         Allocate_commons_task to not pass options.
9572         * testsuite/Makefile.am (INCLUDES): Add -I.. .
9573         (TLS_TEST_C_FLAGS): New variable.
9574         (tls_test_c_pic.o): New target.
9575         (tls_test_shared.so): Link in tls_test_c_pic.o.
9576         (tls_test_c_pic_ie.o): New target.
9577         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
9578         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
9579         (tls_test_c.o): New target.
9580         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
9581         (tls_pic_test_LDADD): Likewise.
9582         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
9583         (tls_shared_gd_to_ie_test_LDADD): Likewise.
9584         (tls_test_c_gnu2.o): New target.
9585         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
9586         tls_test_c_gnu2.o.
9587         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
9588         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
9589         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
9590         * testsuite/tls_test.cc: Include "config.h".
9591         (t_last): Call t11_last.
9592         * testsuite/tls_test.h (t11, t11_last): Declare.
9593         * testsuite/tls_test_c.c: New file.
9594         * testsuite/tls_test_main.cc (thread_routine): Call t11.
9595         * configure.ac: Check for OpenMP support.
9596         * configure, config.in, Makefile.in: Rebuild.
9597         * testsuite/Makefile.in: Rebuild.
9598
9599 2008-04-16  Cary Coutant  <ccoutant@google.com>
9600
9601         * i386.cc (Target_i386::define_tls_base_symbol): New function.
9602         (Target_i386::tls_base_symbol_defined_): New field.
9603         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9604         (Target_i386::Scan::global): Likewise.
9605         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
9606         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
9607         (Target_x86_64::tls_base_symbol_defined_): New field.
9608         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9609         (Target_x86_64::Scan::global): Likewise.
9610
9611 2008-04-16  Cary Coutant  <ccoutant@google.com>
9612
9613         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
9614         (Symbol::needs_plt_entry): Allow weak undefined symbols.
9615         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
9616         building shared libraries.
9617         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
9618         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
9619         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
9620         * testsuite/Makefile.in: Rebuild.
9621         * testsuite/weak_undef.h: New file.
9622         * testsuite/weak_undef_file1.cc: Add extra test cases.
9623         * testsuite/weak_undef_file2.cc: Likewise.
9624         * testsuite/weak_undef_test.cc: Likewise.
9625
9626 2008-04-16  David S. Miller  <davem@davemloft.net>
9627
9628         * sparc.cc (Target_sparc::Scan): Change from struct to class.
9629         Add issued_non_pic_error_ field.  Declare check_non_pic.
9630         (Target_sparc::Scan::check_non_pic): New function.
9631         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
9632         (Target_sparc::Scan::global): Likewise.
9633
9634         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
9635         * configure: Rebuild.
9636
9637         * options.h (DEFINE_enable): New macro.
9638         (new_dtags): New enable option.
9639         (initfirst, interpose, loadfltr, nodefaultlib,
9640         nodelete, nodlopen, nodump): New -z options.
9641         * layout.cc (Layout:finish_dynamic_section): If new
9642         dtags enabled, emit DT_RUNPATH.  Also, emit a
9643         DT_FLAGS_1 containing any specified -z flags.
9644
9645 2008-04-16  Ian Lance Taylor  <iant@google.com>
9646
9647         * copy-relocs.cc: New file.
9648         * copy-relocs.h: New file.
9649         * reloc.cc: Remove Copy_relocs code.
9650         * reloc.h: Likewise.
9651         * reloc-types.h (struct Reloc_types) [both versions]: Add
9652         get_reloc_addend_noerror.
9653         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
9654         variants of add_global which take an addend which must be zero.
9655         * i386.cc: Include "copy-relocs.h".
9656         (class Target_i386): Change type of copy_relocs_ to variable,
9657         update initializer.
9658         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
9659         Change all callers.
9660         (Target_i386::do_finalize_sections): Change handling of
9661         copy_relocs_.
9662         * sparc.cc: Include "copy-relocs.h".
9663         (class Target_sparc): Change type of copy_relocs_ to variable,
9664         update initializer.
9665         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
9666         Change all callers.
9667         (Target_sparc::do_finalize_sections): Change handling of
9668         copy_relocs_.
9669         * x86_64.cc: Include "copy-relocs.h".
9670         (class Target_x86_64): Change type of copy_relocs_ to variable,
9671         update initializer.
9672         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
9673         class.  Change all callers.
9674         (Target_x86_64::do_finalize_sections): Change handling of
9675         copy_relocs_.
9676         * Makefile.am (CCFILES): Add copy-relocs.cc.
9677         (HFILES): Add copy-relocs.h.
9678
9679         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
9680
9681         * testsuite/script_test_4.sh: Permit leading zeroes.
9682
9683 2008-04-15  Ian Lance Taylor  <iant@google.com>
9684
9685         * script-sections.cc (Script_sections::create_segments): Use
9686         header_size_adjustment even when there is enough room for the
9687         headers.
9688         * testsuite/script_test_4.sh: New file.
9689         * testsuite/script_test_4.t: New file.
9690         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
9691         (check_DATA): Add script_test_4.stdout.
9692         (MOSTLYCLEANFILES): Likewise.
9693         (script_test_4): New target.
9694         (script_test_4.stdout): New target.
9695         * testsuite/Makefile.in: Rebuild.
9696
9697         * sparc.cc: Add definitions for Output_data_plt_sparc class
9698         constants.
9699
9700 2008-04-14  David S. Miller  <davem@davemloft.net>
9701
9702         * sparc.cc: New file.
9703         * Makefile.am (TARGETSOURCES): Add sparc.cc
9704         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9705         * configure.tgt: Document targ_extra_size and
9706         targ_extra_big_endian.  Add entries for sparc-* and
9707         sparc64-*.
9708         * configure.ac: Handle targ_extra_size and
9709         targ_extra_big_endian.
9710         * Makefile.in: Rebuild.
9711         * configure: Likewise.
9712         * po/POTFILES.in: Likewise.
9713         * po/gold.pot: Likewise.
9714
9715 2008-04-14  Ian Lance Taylor  <iant@google.com>
9716
9717         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9718         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9719         in the name/type/flags to section mapping.  Don't call
9720         allocate_output_section.
9721         (Layout::choose_output_section): Change parameter from adjust_name
9722         to is_input_section.  Don't permit input sections after sections
9723         are attached to segments.  Don't call allocate_output_section.
9724         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9725         not write_enable_output_section.
9726         (Layout::make_output_section): Don't push to
9727         unattached_section_list_ nor call attach_to_segment.  Call
9728         attach_section_to_segment if sections are attached.
9729         (Layout::attach_sections_to_segments): New function.
9730         (Layout::attach_section_to_segment): New function.
9731         (Layout::attach_allocated_section_to_segment): Rename from
9732         attach_to_segment.  Remove flags parameter.
9733         (Layout::allocate_output_section): Remove function.
9734         (Layout::write_enable_output_section): Remove function.
9735         * layout.h (class Layout): Update for above changes.  Add new
9736         field sections_are_attached_.
9737         * output.h (Output_section::update_flags_for_input_section): New
9738         function.
9739         * output.cc (Output_section::add_input_section): Call
9740         update_flags_for_input_section.
9741         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9742
9743 2008-04-11  Cary Coutant  <ccoutant@google.com>
9744
9745         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9746         thought unnecessary.
9747         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9748
9749 2008-04-11  Ian Lance Taylor  <iant@google.com>
9750
9751         * output.h (class Output_section_data): Remove inline definition
9752         of set_addralign.
9753         * output.cc (Output_section_data::set_addralign): New function.
9754
9755 2008-04-11  Cary Coutant  <ccoutant@google.com>
9756
9757         Add support for TLS descriptors for i386 and x86_64.
9758         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9759         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9760         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9761         GOT_TYPE_TLS_DESC.
9762         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9763         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9764         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9765         relocations.
9766         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9767         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9768         Fix problem with initial-exec relocations.
9769         (Target_i386::Relocate::relocate_tls): Likewise.
9770         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9771         relaxation.
9772         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9773         support for section-plus-offset dynamic table entries.
9774         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9775         (Output_data_dynamic::Dynamic_entry): Add support for
9776         section-plus-offset dynamic table entries.
9777         (Output_data_dynamic::Classification): Likewise.
9778         (Output_data_dynamic::classification_): Renamed offset_.
9779         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9780         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9781         (Target_x86_64::make_plt_section): New function.
9782         (Target_x86_64::reserve_tlsdesc_entries): New function.
9783         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9784         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9785         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9786         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9787         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9788         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9789         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9790         add extra PLT entry for TLS descriptors.
9791         (Output_data_plt_x86_64::got_): New field.
9792         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9793         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9794         fields.
9795         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9796         descriptors.
9797         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9798         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9799         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9800         R_386_TLS_DESC_CALL relocations.
9801         (Target_x86_64::Scan::global): Likewise.
9802         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9803         for TLS descriptors.
9804         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9805         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9806         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9807         GD-to-IE relaxation.
9808         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9809         and TLS_DESCRIPTORS.
9810         * Makefile.in: Rebuild.
9811         * configure: Rebuild.
9812         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9813         (tls_test_shared2.so): New target.
9814         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9815         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9816         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9817         (tls_shared_gd_to_ie_test_LDADD): New variable.
9818         (tls_shared_gnu2_gd_to_ie_test): New target.
9819         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9820         New targets.
9821         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9822         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9823         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9824         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9825         (tls_shared_gnu2_test): New target.
9826         (tls_test_gnu2_shared.so): New target.
9827         (tls_shared_gnu2_test_SOURCES): New variable.
9828         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9829         (tls_shared_gnu2_test_LDFLAGS): New variable.
9830         (tls_shared_gnu2_test_LDADD): New variable.
9831         * testsuite/Makefile.in: Rebuild.
9832         * testsuite/Makefile.
9833
9834 2008-04-11  Ian Lance Taylor  <iant@google.com>
9835
9836         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9837         justsyms.t.
9838         * testsuite/Makefile.in: Rebuild.
9839
9840         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9841         long.
9842         * testsuite/script_test_2.cc (main): Adjust test.
9843
9844 2008-04-11  David S. Miller  <davem@davemloft.net>
9845             Ian Lance Taylor  <iant@google.com>
9846
9847         * options.h (General_options): Add entries for '-Y' and
9848         '-relax'.
9849         * options.cc (General_options:finalize): If -Y was used, add those
9850         entries to the library path instead of the default "/lib" and
9851         "/usr/lib".
9852
9853 2008-04-11  David S. Miller  <davem@davemloft.net>
9854
9855         * testsuite/justsyms.t: Start at 0x100.
9856         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9857         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9858         long.
9859         * testsuite/script_test_2.cc: Adjust string and section length
9860         checks.
9861
9862 2008-04-09  Ian Lance Taylor  <iant@google.com>
9863
9864         PR gold/5996
9865         * script-sections.cc (Sections_element::allocate_to_segment): Add
9866         orphan parameter.
9867         (Output_section_definition::allocate_to_segment): Likewise.
9868         (Orphan_output_section::allocate_to_segment): Likewise.
9869         (Script_sections::attach_sections_using_phdrs_clause): Don't
9870         propagate non-PT_LOAD segments to orphan sections.
9871         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9872         readelf rather than objdump.
9873         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9874         .interp section and PT_INTERP segment are the same size.
9875         * testsuite/Makefile.in: Rebuild.
9876
9877         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9878         aliases for symbols defined in the same object.
9879         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9880         (weak_alias_test_SOURCES): New variable.
9881         (weak_alias_test_DEPENDENCIES): New variable.
9882         (weak_alias_test_LDFLAGS): New variable.
9883         (weak_alias_test_LDADD): New variable.
9884         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9885         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9886         (weak_alias_test_3.o): New target.
9887         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9888         * testsuite/weak_alias_test_main.cc: New file.
9889         * testsuite/weak_alias_test_1.cc: New file.
9890         * testsuite/weak_alias_test_2.cc: New file.
9891         * testsuite/weak_alias_test_3.cc: New file.
9892
9893 2008-04-08  Ian Lance Taylor  <iant@google.com>
9894
9895         * options.h (class General_options): Add --noinhibit-exec option.
9896         * main.cc (main): Check --noinhibit-exec.
9897
9898         * options.h (class General_options): Define --wrap as a special
9899         option.  Add wrap_symbols_ field.
9900         (General_options::any_wrap_symbols): New function.
9901         (General_options::is_wrap_symbol): New function.
9902         * options.cc (General_options::parse_wrap): New function.
9903         (General_options::General_options): Initialize wrap_symbols_.
9904         * symtab.cc (Symbol_table::wrap_symbol): New function.
9905         (Symbol_table::add_from_object): Handle --wrap.
9906         * symtab.h (class Symbol_table): Declare wrap_symbol.
9907         * target.h (Target::wrap_char): New function.
9908         (Target::Target_info): Add wrap_char field.
9909         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9910         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9911         * testsuite/testfile.cc (Target_test::test_target_info):
9912         Likewise.
9913
9914         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9915         there is one.
9916
9917         * layout.h (class Layout): Add added_eh_frame_data_ field.
9918         * layout.cc (Layout::Layout): Initialize new field.
9919         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9920         output section until we find a section we merged successfully.
9921         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9922         that the size be non-zero.
9923
9924         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9925         qualifier.
9926
9927 2008-04-08  Craig Silverstein  <csilvers@google.com>
9928
9929         * configure.ac: Export new conditional variable HAVE_ZLIB.
9930         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9931         on HAVE_ZLIB.
9932         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9933         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9934
9935 2008-04-07  Ian Lance Taylor  <iant@google.com>
9936
9937         * version.cc (version_string): Set to "1.5".
9938
9939         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9940         Add issued_non_pic_error_ field.  Declare check_non_pic.
9941         (Target_x86_64::Scan::check_non_pic): New function.
9942         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9943         (Target_x86_64::Scan::global): Likewise.
9944
9945         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9946         addend parameter.  Change caller.  Handle merge sections.
9947         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9948         Address to Addend.  Don't add in the result of
9949         local_section_offset, pass down the addend and use the returned
9950         value.
9951         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9952         Update declarations of local_section_offset and symbol_value.
9953         * testsuite/two_file_test_1.cc (t18): New function.
9954         * testsuite/two_file_test_2.cc (f18): New function.
9955         * testsuite/two_file_test_main.cc (main): Call t18.
9956         * testsuite/two_file_test.h (t18, f18): Declare.
9957
9958         * configure.ac: Don't test for objdump, c++filt, or readelf.
9959         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9960         conditionals.
9961         (TEST_READELF): New variable.
9962         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9963         (check_PROGRAMS): Add two_file_strip_test.
9964         (two_file_strip_test): New target.
9965         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9966         (two_file_same_shared_strip_test_SOURCES): New variable.
9967         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9968         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9969         (two_file_same_shared_strip_test_LDADD): New variable.
9970         (two_file_shared_strip.so): New target.
9971         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9972         (ver_test_5.syms, ver_test_7.syms): Likewise.
9973         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9974         (strip_test_3.stdout): Use TEST_OBJDUMP.
9975         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9976
9977 2008-04-04  Cary Coutant  <ccoutant@google.com>
9978
9979         * symtab.h (Symbol::is_weak_undefined): New function.
9980         (Symbol::is_strong_undefined): New function.
9981         (Symbol::is_absolute): New function.
9982         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9983         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9984         absolute symbols.
9985         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9986         (weak_undef_test): New target.
9987         * testsuite/Makefile.in: Rebuild.
9988         * testsuite/weak_undef_file1.cc: New file.
9989         * testsuite/weak_undef_file2.cc: New file.
9990         * testsuite/weak_undef_test.cc: New file.
9991
9992 2008-04-03  Craig Silverstein  <csilvers@google.com>
9993
9994         * compressed_output.h (class Output_compressed_section): Use
9995         unsigned buffer.
9996         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9997         add zlib header.
9998         (zlib_compressed_suffix): Removed.
9999         (Output_compressed_section::set_final_data_size): Use unsigned
10000         buffers.
10001         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10002         Fix linker invocation.
10003         (flagstest_o_specialfile_and_compress_debug_sections):
10004         Likewise.
10005         * testsuite/Makefile.in: Regenerated.
10006
10007 2008-04-02  David S. Miller  <davem@davemloft.net>
10008
10009         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10010         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10011
10012 2008-04-02  Craig Silverstein  <csilvers@google.com>
10013
10014         * TODO: New file.
10015
10016 2008-04-02  Ian Lance Taylor  <iant@google.com>
10017
10018         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10019         parameters.  Update for new key type to views_.  Change all
10020         callers.
10021         (File_read::read): Adjust for byteshift in returned view.
10022         (File_read::add_view): New function, broken out of
10023         find_and_make_view.
10024         (File_read::make_view): New function, broken out of
10025         find_and_make_view.
10026         (File_read::find_or_make_view): Add offset and aligned
10027         parameters.  Rewrite accordingly.  Change all callers.
10028         (File_read::get_view): Add offset and aligned parameters.  Adjust
10029         for byteshift in return value.
10030         (File_read::get_lasting_view): Likewise.
10031         * fileread.h (class File_read): Update declarations.
10032         (class File_read::View): Add byteshift_ field.  Add byteshift to
10033         constructor.  Add byteshift method.
10034         * archive.h (Archive::clear_uncached_views): New function.
10035         (Archive::get_view): Add aligned parameter.  Change all callers.
10036         * object.h (Object::get_view): Add aligned parameter.  Change all
10037         callers.
10038         (Object::get_lasting_view): Likewise.
10039
10040         * fileread.cc (File_read::release): Don't call clear_views if
10041         there are multiple objects.
10042         * fileread.h (File_read::clear_uncached_views): New function.
10043         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10044         on the archive.
10045
10046 2008-03-31  Cary Coutant  <ccoutant@google.com>
10047
10048         Add thin archive support.
10049         * archive.cc (Archive::armagt): New const.
10050         (Archive::setup): Remove task parameter and calls to unlock.
10051         (Archive::unlock_nested_archives): New function.
10052         (Archive::read_header): Add nested_off parameter. Change
10053         all callers.
10054         (Archive::interpret_header): Likewise.
10055         (Archive::include_all_members): Change to handle thin
10056         archives.
10057         (Archive::include_member): Likewise.
10058         * archive.h (Archive::Archive): Add new parameters and
10059         initializers.
10060         (Archive::armagt): New const.
10061         (Archive::setup): Remove task parameter.
10062         (Archive::unlock_nested_archives): New function.
10063         (Archive::read_header): Add nested_off parameter.
10064         (Archive::interpret_header): Likewise.
10065         (Archive::Nested_archive_table): New typedef.
10066         (Archive::is_thin_archive_): New field.
10067         (Archive::nested_archives_): New field.
10068         (Archive::options_): New field.
10069         (Archive::dirpath_): New field.
10070         (Archive::task_): New field.
10071         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10072         for thin archives.  Pass additional parameters to
10073         Archive::Archive.  Unlock the archive file after calling
10074         Archive::setup.
10075
10076 2008-03-29  Ian Lance Taylor  <iant@google.com>
10077
10078         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10079         version symbol to be local.
10080         * testsuite/ver_test_4.sh: New file.
10081         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10082         (check_DATA): Add ver_test_4.syms.
10083         (ver_test_4.syms): New target.
10084         * testsuite/Makefile.in: Rebuild.
10085
10086         * output.cc
10087         (Output_section::Input_section_sort_entry::has_priority): New
10088         function.
10089         (Output_section::Input_section_sort_entry::match_file_name): New
10090         function.
10091         (Output_section::Input_section_sort_entry::match_section_name):
10092         Remove.
10093         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10094         Remove.
10095         (Output_section::Input_section_sort_entry::match_section_file):
10096         Remove.
10097         (Output_section::Input_section_sort_compare::operator()): Rewrite
10098         using new Input_section_sort_entry functions.  Sort crtbegin and
10099         crtend first.  Sort sections with no priority before sections with
10100         a priority.
10101         * testsuite/initpri1.c (d3): Check j != 4.
10102         (cd5): New constructor/destructor function.
10103         (main): Check j != 2.
10104
10105         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10106         new symbol when resolving, don't call set_is_default.
10107         * testsuite/ver_test_7.cc: New file.
10108         * testsuite/ver_test_7.sh: New file.
10109         * testsuite/Makefile.am (ver_test_7.so): New target.
10110         (ver_test_7.o): New target.
10111         (check_SCRIPTS): Add ver_test_7.sh.
10112         (check_DATA): Add ver_test_7.syms.
10113         (ver_test_7.syms): New target.
10114
10115 2008-03-28  Ian Lance Taylor  <iant@google.com>
10116
10117         * layout.cc (Layout::layout): If we see an input section with a
10118         name that needs sorting, set the must_sort flag for the output
10119         section.
10120         (Layout::make_output_section): If the name of the output section
10121         indicates that it might require sorting, set the may_sort flag.
10122         * output.h (Output_section::may_sort_attached_input_sections): New
10123         function.
10124         (Output_section::set_may_sort_attached_input_sections): New
10125         function.
10126         (Output_section::must_sort_attached_input_sections): New
10127         function.
10128         (Output_section::set_must_sort_attached_input_sections): New
10129         function.
10130         (class Output_section): Declare Input_section_sort_entry.  Define
10131         Input_section_sort_compare.  Declare
10132         sort_attached_input_sections.  Add new fields:
10133         may_sort_attached_input_sections_,
10134         must_sort_attached_input_sections_,
10135         attached_input_sections_are_sorted_.
10136         * output.cc (Output_section::Output_section): Initialize new
10137         fields.
10138         (Output_section::add_input_section): Add an entry to
10139         input_sections_ if may_sort or must_sort are true.
10140         (Output_section::set_final_data_size): Call
10141         sort_attached_input_sections if necessary.
10142         (Output_section::Input_section_sort_entry): Define new class.
10143         (Output_section::Input_section_sort_compare::operator()): New
10144         function.
10145         (Output_section::sort_attached_input_sections): New function.
10146         * configure.ac: Check whether the compiler supports constructor
10147         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10148         * testsuite/initpri1.c: New file.
10149         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10150         CONSTRUCTOR_PRIORITY.
10151         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10152         (initpri1_LDFLAGS): New variable.
10153         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10154
10155 2008-03-27  Ian Lance Taylor  <iant@google.com>
10156
10157         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10158         * testsuite/common_test_1.c: New file.
10159         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10160         (common_test_1_SOURCES): New variable.
10161         (common_test_1_DEPENDENCIES): New variable.
10162         (common_test_1_LDFLAGS): New variable.
10163
10164         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10165         and commons_ correctly when NAME/VERSION does not override
10166         NAME/NULL.
10167         * testsuite/ver_test_6.c: New file.
10168         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10169         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10170         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10171
10172 2008-03-26  Ian Lance Taylor  <iant@google.com>
10173
10174         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10175         of an undefined symbol from a version script.
10176         * testsuite/Makefile.am (ver_test_5.so): New target.
10177         (ver_test_5.o): New target.
10178         (check_SCRIPTS): Add ver_test_5.sh.
10179         (check_DATA): Add ver_test_5.syms.
10180         (ver_test_5.syms): New target.
10181         * testsuite/ver_test_5.cc: New file.
10182         * testsuite/ver_test_5.script: New file.
10183         * testsuite/ver_test_5.sh: New file.
10184         * Makefile.in, testsuite/Makefile.in: Rebuild.
10185
10186         PR gold/5986
10187         Fix problems building gold with gcc 4.3.0.
10188         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10189         (gold_error_at_location, gold_warning_at_location): Use it.
10190         * configure.ac: Check whether we can compile and use a template
10191         function with a printf attribute.
10192         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10193         when jumping over bytes.
10194         * object.cc: Instantiate Object::read_section_data.
10195         * debug.h: Include <cstring>
10196         * dwarf_reader.cc: Include <algorithm>
10197         * main.cc: Include <cstring>.
10198         * options.cc: Include <cstring>.
10199         * output.cc: Include <cstring>.
10200         * script.cc: Include <cstring>.
10201         * script.h: Include <string>.
10202         * symtab.cc: Include <cstring> and <algorithm>.
10203         * target-select.cc: Include <cstring>.
10204         * version.cc: Include <string>.
10205         * testsuite/testmain.cc: Include <cstdlib>.
10206         * configure, config.in: Rebuild.
10207
10208 2008-03-25  Ian Lance Taylor  <iant@google.com>
10209
10210         * options.cc: Include "../bfd/bfdver.h".
10211         (options::help): Print bug reporting address.
10212
10213         * version.cc (print_version): Adjust output for current value of
10214         BFD_VERSION_STRING.
10215
10216         * NEWS: New file.
10217
10218         * options.cc (options::help): Print list of supported targets.
10219         * target-select.h: Include <vector>.
10220         (class Target_selector): Make machine_, size_, and is_big_endian_
10221         fields const.  Add bfd_name_ and instantiated_target_ fields.
10222         (Target_selector::Target_selector): Add bfd_name parameter.
10223         (Target_selector::recognize): Make non-virtual, call
10224         do_recognize.
10225         (Target_selector::recognize_by_name): Make non-virtual, call
10226         do_recognize_by_name.
10227         (Target_selector::supported_names): New function.
10228         (Target_selector::bfd_name): New function.
10229         (Target_selector::do_instantiate_target): New pure virtual
10230         function.
10231         (Target_selector::do_recognize): New virtual function.
10232         (Target_selector::do_recognize_by_name): New virtual function.
10233         (Target_selector::instantiate_target): New private function.
10234         (supported_target_names): Declare.
10235         * target-select.cc (Target_selector::Target_selector): Update for
10236         new parameter and fields.
10237         (select_target_by_name): Check that the name matches before
10238         calling recognize_by_name.
10239         (supported_target_names): New function.
10240         * i386.cc (class Target_selector_i386): Update Target_selector
10241         constructor call.  Remove recognize and recognize_by_name.  Add
10242         do_instantiate_target.
10243         * x86_64.cc (class Target_selector_x86_64): Likewise.
10244         * testsuite/testfile.cc (class Target_selector_test): Update for
10245         changes to Target_selector.
10246
10247         * README: Rewrite, with some notes on unsupported features.
10248
10249 2008-03-24  Cary Coutant  <ccoutant@google.com>
10250
10251         * i386.cc (Target_i386::Got_type): New enum declaration.
10252         (Target_i386::Scan::local): Updated callers of Output_data_got
10253         member functions.
10254         (Target_i386::Scan::global): Likewise.
10255         (Target_i386::Relocate::relocate): Likewise.
10256         (Target_i386::Relocate::relocate_tls): Likewise.
10257         * object.h (Got_offset_list): New class.
10258         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10259         (Sized_relobj::local_got_offset): Likewise.
10260         (Sized_relobj::set_local_got_offset): Likewise.
10261         (Sized_relobj::local_has_tls_got_offset): Removed.
10262         (Sized_relobj::local_tls_got_offset): Removed.
10263         (Sized_relobj::set_local_tls_got_offset): Removed.
10264         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10265         * output.cc (Output_data_got::add_global): Added got_type parameter.
10266         (Output_data_got::add_global_with_rel): Likewise.
10267         (Output_data_got::add_global_with_rela): Likewise.
10268         (Output_data_got::add_global_pair_with_rel): New function.
10269         (Output_data_got::add_global_pair_with_rela): New function.
10270         (Output_data_got::add_local): Added got_type parameter.
10271         (Output_data_got::add_local_with_rel): Likewise.
10272         (Output_data_got::add_local_with_rela): Likewise.
10273         (Output_data_got::add_local_pair_with_rel): New function.
10274         (Output_data_got::add_local_pair_with_rela): New function.
10275         (Output_data_got::add_global_tls): Removed.
10276         (Output_data_got::add_global_tls_with_rel): Removed.
10277         (Output_data_got::add_global_tls_with_rela): Removed.
10278         (Output_data_got::add_local_tls): Removed.
10279         (Output_data_got::add_local_tls_with_rel): Removed.
10280         (Output_data_got::add_local_tls_with_rela): Removed.
10281         * output.h (Output_data_got::add_global): Added got_type parameter.
10282         (Output_data_got::add_global_with_rel): Likewise.
10283         (Output_data_got::add_global_with_rela): Likewise.
10284         (Output_data_got::add_global_pair_with_rel): New function.
10285         (Output_data_got::add_global_pair_with_rela): New function.
10286         (Output_data_got::add_local): Added got_type parameter.
10287         (Output_data_got::add_local_with_rel): Likewise.
10288         (Output_data_got::add_local_with_rela): Likewise.
10289         (Output_data_got::add_local_pair_with_rel): New function.
10290         (Output_data_got::add_local_pair_with_rela): New function.
10291         (Output_data_got::add_global_tls): Removed.
10292         (Output_data_got::add_global_tls_with_rel): Removed.
10293         (Output_data_got::add_global_tls_with_rela): Removed.
10294         (Output_data_got::add_local_tls): Removed.
10295         (Output_data_got::add_local_tls_with_rel): Removed.
10296         (Output_data_got::add_local_tls_with_rela): Removed.
10297         * resolve.cc (Symbol::override_base_with_special): Removed
10298         reference to has_got_offset_ field.
10299         * symtab.cc (Symbol::init_fields): Replaced initialization
10300         of got_offset_ with got_offsets_.  Removed initialization
10301         of has_got_offset_
10302         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
10303         (Symbol::got_offset): Likewise.
10304         (Symbol::set_got_offset): Likewise.
10305         (Symbol::has_tls_got_offset): Removed.
10306         (Symbol::tls_got_offset): Removed.
10307         (Symbol::set_tls_got_offset): Removed.
10308         (Symbol::got_offset_): Removed.
10309         (Symbol::tls_mod_got_offset_): Removed.
10310         (Symbol::tls_pair_got_offset_): Removed.
10311         (Symbol::got_offsets_): New field.
10312         (Symbol::has_got_offset): Removed.
10313         (Symbol::has_tls_mod_got_offset): Removed.
10314         (Symbol::has_tls_pair_got_offset): Removed.
10315         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
10316         (Target_x86_64::Scan::local): Updated callers of Output_data_got
10317         member functions.
10318         (Target_x86_64::Scan::global): Likewise.
10319         (Target_x86_64::Relocate::relocate): Likewise.
10320         (Target_x86_64::Relocate::relocate_tls): Likewise.
10321
10322 2008-03-25  Ben Elliston  <bje@au.ibm.com>
10323
10324         * yyscript.y: Fix spelling error in comment.
10325
10326 2008-03-24  Ian Lance Taylor  <iant@google.com>
10327
10328         * options.h (class General_options): Define build_id option.
10329         * layout.h (class Layout): Declare write_build_id, create_note,
10330         create_build_id.  Add build_id_note_ member.
10331         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
10332         "libiberty.h", "md5.h", "sha1.h".
10333         (Layout::Layout): Initialize eh_frame_data_,
10334         eh_frame_hdr_section_, and build_id_note_.
10335         (Layout::finalize): Call create_build_id.
10336         (Layout::create_note): New function, broken out of
10337         Layout::create_gold_note.
10338         (Layout::create_gold_note): Call create_note.
10339         (Layout::create_build_id): New function.
10340         (Layout::write_build_id): New function.
10341         (Close_task_runner::run): Call write_build_id.
10342
10343         * x86_64.cc: Correct license to GPLv3.
10344
10345 2008-03-23  Ian Lance Taylor  <iant@google.com>
10346
10347         * options.cc: Include "demangle.h".
10348         (parse_optional_string): New function.
10349         (parse_long_option): Handle takes_optional_argument.
10350         (parse_short_option): Update dash_z initializer.  Handle
10351         takes_optional_argument.
10352         (General_options::General_options): Initialize do_demangle_.
10353         (General_options::finalize): Set do_demangle_.  Handle demangling
10354         style.
10355         * options.h (parse_optional_string): Declare.
10356         (struct One_option): Add optional_arg field.  Update constructor.
10357         Update call constructor calls.  Add takes_optional_argument
10358         function.
10359         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
10360         (DEFINE_optional_string): Define.
10361         (General_options::demangle): Change from DEFINE_bool to
10362         DEFINE_optional_string.
10363         (General_options::no_demangle): New function.
10364         (General_options::do_demangle): New function.
10365         (General_options::set_do_demangle): New function.
10366         (General_options::execstack_status_): Move definition to end of
10367         class definition.
10368         (General_options::static_): Likewise.
10369         (General_options::do_demangle_): New field.
10370         * object.cc (big_endian>::get_symbol_location_info): Call
10371         Options::do_demangle, not Options::demangle.
10372         * symtab.cc (demangle): Likewise.
10373
10374 2008-03-22  Ian Lance Taylor  <iant@google.com>
10375
10376         * gold.h: Include <cstddef> and <sys/types.h>
10377         * options.h: Include <cstring>.
10378
10379 2008-03-21  Ian Lance Taylor  <iant@google.com>
10380
10381         * Added source code to GNU binutils.